diff options
118 files changed, 2765 insertions, 1181 deletions
diff --git a/Documentation/devicetree/bindings/usb/dwc3-xilinx.txt b/Documentation/devicetree/bindings/usb/dwc3-xilinx.txt index a668f43bedf5..04813a46e5d0 100644 --- a/Documentation/devicetree/bindings/usb/dwc3-xilinx.txt +++ b/Documentation/devicetree/bindings/usb/dwc3-xilinx.txt @@ -1,32 +1,56 @@ Xilinx SuperSpeed DWC3 USB SoC controller Required properties: -- compatible: Should contain "xlnx,zynqmp-dwc3" +- compatible: May contain "xlnx,zynqmp-dwc3" or "xlnx,versal-dwc3" +- reg: Base address and length of the register control block - clocks: A list of phandles for the clocks listed in clock-names - clock-names: Should contain the following: "bus_clk" Master/Core clock, have to be >= 125 MHz for SS operation and >= 60MHz for HS operation "ref_clk" Clock source to core during PHY power down +- resets: A list of phandles for resets listed in reset-names +- reset-names: + "usb_crst" USB core reset + "usb_hibrst" USB hibernation reset + "usb_apbrst" USB APB reset Required child node: A child node must exist to represent the core DWC3 IP block. The name of the node is not important. The content of the node is defined in dwc3.txt. +Optional properties for snps,dwc3: +- dma-coherent: Enable this flag if CCI is enabled in design. Adding this + flag configures Global SoC bus Configuration Register and + Xilinx USB 3.0 IP - USB coherency register to enable CCI. +- interrupt-names: Should contain the following: + "dwc_usb3" USB gadget mode interrupts + "otg" USB OTG mode interrupts + "hiber" USB hibernation interrupts + Example device node: usb@0 { #address-cells = <0x2>; #size-cells = <0x1>; compatible = "xlnx,zynqmp-dwc3"; + reg = <0x0 0xff9d0000 0x0 0x100>; clock-names = "bus_clk", "ref_clk"; clocks = <&clk125>, <&clk125>; + resets = <&zynqmp_reset ZYNQMP_RESET_USB1_CORERESET>, + <&zynqmp_reset ZYNQMP_RESET_USB1_HIBERRESET>, + <&zynqmp_reset ZYNQMP_RESET_USB1_APB>; + reset-names = "usb_crst", "usb_hibrst", "usb_apbrst"; ranges; dwc3@fe200000 { compatible = "snps,dwc3"; reg = <0x0 0xfe200000 0x40000>; - interrupts = <0x0 0x41 0x4>; + interrupt-names = "dwc_usb3", "otg", "hiber"; + interrupts = <0 65 4>, <0 69 4>, <0 75 4>; + phys = <&psgtr 2 PHY_TYPE_USB3 0 2>; + phy-names = "usb3-phy"; dr_mode = "host"; + dma-coherent; }; }; diff --git a/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml b/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml index cb4c6f6d3a33..974032b1fda0 100644 --- a/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml +++ b/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml @@ -52,11 +52,8 @@ properties: # Required child node: patternProperties: - "^dwc3@[0-9a-f]+$": - type: object - description: - A child node must exist to represent the core DWC3 IP block - The content of the node is defined in dwc3.txt. + "^usb@[0-9a-f]+$": + $ref: snps,dwc3.yaml# required: - compatible @@ -87,7 +84,7 @@ examples: dma-ranges = <0x40000000 0x40000000 0xc0000000>; ranges; - dwc3@38100000 { + usb@38100000 { compatible = "snps,dwc3"; reg = <0x38100000 0x10000>; clocks = <&clk IMX8MP_CLK_HSIO_AXI>, diff --git a/Documentation/devicetree/bindings/usb/generic-ehci.yaml b/Documentation/devicetree/bindings/usb/generic-ehci.yaml index cf83f2d9afac..8089dc956ba3 100644 --- a/Documentation/devicetree/bindings/usb/generic-ehci.yaml +++ b/Documentation/devicetree/bindings/usb/generic-ehci.yaml @@ -122,6 +122,12 @@ properties: description: Set this flag to force EHCI reset after resume. + spurious-oc: + $ref: /schemas/types.yaml#/definitions/flag + description: + Set this flag to indicate that the hardware sometimes turns on + the OC bit when an over-current isn't actually present. + companion: $ref: /schemas/types.yaml#/definitions/phandle description: diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml index 14f40efb3b22..69c3e7d0f9dd 100644 --- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml +++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml @@ -30,6 +30,7 @@ properties: - mediatek,mt7629-xhci - mediatek,mt8173-xhci - mediatek,mt8183-xhci + - mediatek,mt8192-xhci - const: mediatek,mtk-xhci reg: @@ -99,9 +100,9 @@ properties: vbus-supply: description: Regulator of USB VBUS5v - usb3-lpm-capable: - description: supports USB3.0 LPM - type: boolean + usb3-lpm-capable: true + + usb2-lpm-disable: true imod-interval-ns: description: @@ -127,10 +128,13 @@ properties: - description: The second cell represents the register base address of the glue layer in syscon - - description: + - description: | The third cell represents the hardware version of the glue layer, - 1 is used by mt8173 etc, 2 is used by mt2712 etc - enum: [1, 2] + 1 - used by mt8173 etc, revision 1 without following IPM rule; + 2 - used by mt2712 etc, revision 2 following IPM rule; + 101 - used by mt8183, specific 1.01; + 102 - used by mt8192, specific 1.02; + enum: [1, 2, 101, 102] mediatek,u3p-dis-msk: $ref: /schemas/types.yaml#/definitions/uint32 diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml index f5c04b9d2de9..dbc7876e0a0b 100644 --- a/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml +++ b/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml @@ -24,6 +24,7 @@ properties: - mediatek,mt2712-mtu3 - mediatek,mt8173-mtu3 - mediatek,mt8183-mtu3 + - mediatek,mt8192-mtu3 - const: mediatek,mtu3 reg: @@ -126,7 +127,7 @@ properties: Any connector to the data bus of this controller should be modelled using the OF graph bindings specified, if the "usb-role-switch" property is used. See graph.txt - type: object + $ref: /schemas/graph.yaml#/properties/port enable-manual-drd: $ref: /schemas/types.yaml#/definitions/flag @@ -152,10 +153,13 @@ properties: - description: The second cell represents the register base address of the glue layer in syscon - - description: + - description: | The third cell represents the hardware version of the glue layer, - 1 is used by mt8173 etc, 2 is used by mt2712 etc - enum: [1, 2] + 1 - used by mt8173 etc, revision 1 without following IPM rule; + 2 - used by mt2712 etc, revision 2 with following IPM rule; + 101 - used by mt8183, specific 1.01; + 102 - used by mt8192, specific 1.02; + enum: [1, 2, 101, 102] mediatek,u3p-dis-msk: $ref: /schemas/types.yaml#/definitions/uint32 diff --git a/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml b/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml index c3cbd1fa9944..413299b5fe2b 100644 --- a/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml +++ b/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml @@ -16,6 +16,7 @@ properties: - qcom,msm8996-dwc3 - qcom,msm8998-dwc3 - qcom,sc7180-dwc3 + - qcom,sc7280-dwc3 - qcom,sdm845-dwc3 - qcom,sdx55-dwc3 - qcom,sm8150-dwc3 diff --git a/Documentation/devicetree/bindings/usb/usb-device.yaml b/Documentation/devicetree/bindings/usb/usb-device.yaml index d4c99809ee9a..b77960a7a37b 100644 --- a/Documentation/devicetree/bindings/usb/usb-device.yaml +++ b/Documentation/devicetree/bindings/usb/usb-device.yaml @@ -82,9 +82,9 @@ required: additionalProperties: true examples: - #hub connected to port 1 - #device connected to port 2 - #device connected to port 3 + # hub connected to port 1 + # device connected to port 2 + # device connected to port 3 # interface 0 of configuration 1 # interface 0 of configuration 2 - | diff --git a/Documentation/devicetree/bindings/usb/usb-nop-xceiv.txt b/Documentation/devicetree/bindings/usb/usb-nop-xceiv.txt deleted file mode 100644 index 4dc6a8ee3071..000000000000 --- a/Documentation/devicetree/bindings/usb/usb-nop-xceiv.txt +++ /dev/null @@ -1,43 +0,0 @@ -USB NOP PHY - -Required properties: -- compatible: should be usb-nop-xceiv -- #phy-cells: Must be 0 - -Optional properties: -- clocks: phandle to the PHY clock. Use as per Documentation/devicetree - /bindings/clock/clock-bindings.txt - This property is required if clock-frequency is specified. - -- clock-names: Should be "main_clk" - -- clock-frequency: the clock frequency (in Hz) that the PHY clock must - be configured to. - -- vcc-supply: phandle to the regulator that provides power to the PHY. - -- reset-gpios: Should specify the GPIO for reset. - -- vbus-detect-gpio: should specify the GPIO detecting a VBus insertion - (see Documentation/devicetree/bindings/gpio/gpio.txt) -- vbus-regulator : should specifiy the regulator supplying current drawn from - the VBus line (see Documentation/devicetree/bindings/regulator/regulator.txt). - -Example: - - hsusb1_phy { - compatible = "usb-nop-xceiv"; - clock-frequency = <19200000>; - clocks = <&osc 0>; - clock-names = "main_clk"; - vcc-supply = <&hsusb1_vcc_regulator>; - reset-gpios = <&gpio1 7 GPIO_ACTIVE_LOW>; - vbus-detect-gpio = <&gpio2 13 GPIO_ACTIVE_HIGH>; - vbus-regulator = <&vbus_regulator>; - #phy-cells = <0>; - }; - -hsusb1_phy is a NOP USB PHY device that gets its clock from an oscillator -and expects that clock to be configured to 19.2MHz by the NOP PHY driver. -hsusb1_vcc_regulator provides power to the PHY and GPIO 7 controls RESET. -GPIO 13 detects VBus insertion, and accordingly notifies the vbus-regulator. diff --git a/Documentation/devicetree/bindings/usb/usb-nop-xceiv.yaml b/Documentation/devicetree/bindings/usb/usb-nop-xceiv.yaml new file mode 100644 index 000000000000..2824c17285ee --- /dev/null +++ b/Documentation/devicetree/bindings/usb/usb-nop-xceiv.yaml @@ -0,0 +1,64 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/usb-nop-xceiv.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: USB NOP PHY + +maintainers: + - Rob Herring <[email protected]> + +properties: + compatible: + const: usb-nop-xceiv + + clocks: + maxItems: 1 + + clock-names: + const: main_clk + + clock-frequency: true + + '#phy-cells': + const: 0 + + vcc-supply: + description: phandle to the regulator that provides power to the PHY. + + reset-gpios: + maxItems: 1 + + vbus-detect-gpio: + description: Should specify the GPIO detecting a VBus insertion + maxItems: 1 + + vbus-regulator: + description: Should specifiy the regulator supplying current drawn from + the VBus line. + $ref: /schemas/types.yaml#/definitions/phandle + +required: + - compatible + - '#phy-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + hsusb1_phy { + compatible = "usb-nop-xceiv"; + clock-frequency = <19200000>; + clocks = <&osc 0>; + clock-names = "main_clk"; + vcc-supply = <&hsusb1_vcc_regulator>; + reset-gpios = <&gpio1 7 GPIO_ACTIVE_LOW>; + vbus-detect-gpio = <&gpio2 13 GPIO_ACTIVE_HIGH>; + vbus-regulator = <&vbus_regulator>; + #phy-cells = <0>; + }; + +... diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig index 3823da605430..d3242264514e 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -791,7 +791,6 @@ CONFIG_USB_XHCI_MVEBU=y CONFIG_USB_XHCI_TEGRA=m CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_HCD_STI=y -CONFIG_USB_EHCI_TEGRA=y CONFIG_USB_EHCI_EXYNOS=m CONFIG_USB_EHCI_MV=m CONFIG_USB_OHCI_HCD=y @@ -817,6 +816,7 @@ CONFIG_USB_DWC2=y CONFIG_USB_CHIPIDEA=y CONFIG_USB_CHIPIDEA_UDC=y CONFIG_USB_CHIPIDEA_HOST=y +CONFIG_USB_CHIPIDEA_TEGRA=y CONFIG_USB_ISP1760=y CONFIG_USB_HSIC_USB3503=y CONFIG_AB8500_USB=y diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index c7523fd4eae9..4967d72f41f6 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -828,7 +828,7 @@ ranges; status = "disabled"; - usb_dwc3_0: dwc3@38100000 { + usb_dwc3_0: usb@38100000 { compatible = "snps,dwc3"; reg = <0x38100000 0x10000>; clocks = <&clk IMX8MP_CLK_HSIO_AXI>, @@ -869,7 +869,7 @@ ranges; status = "disabled"; - usb_dwc3_1: dwc3@38200000 { + usb_dwc3_1: usb@38200000 { compatible = "snps,dwc3"; reg = <0x38200000 0x10000>; clocks = <&clk IMX8MP_CLK_HSIO_AXI>, diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi index 80519a145f13..9ea84d636556 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi @@ -874,7 +874,7 @@ clocks = <&infracfg CLK_INFRA_UNIPRO_SCK>, <&infracfg CLK_INFRA_USB>; clock-names = "sys_ck", "ref_ck"; - mediatek,syscon-wakeup = <&pericfg 0x400 0>; + mediatek,syscon-wakeup = <&pericfg 0x420 101>; #address-cells = <2>; #size-cells = <2>; ranges; diff --git a/drivers/usb/chipidea/ci_hdrc_tegra.c b/drivers/usb/chipidea/ci_hdrc_tegra.c index 90f2a8b786be..60361141ac04 100644 --- a/drivers/usb/chipidea/ci_hdrc_tegra.c +++ b/drivers/usb/chipidea/ci_hdrc_tegra.c @@ -285,11 +285,9 @@ static int tegra_usb_probe(struct platform_device *pdev) } usb->phy = devm_usb_get_phy_by_phandle(&pdev->dev, "nvidia,phy", 0); - if (IS_ERR(usb->phy)) { - err = PTR_ERR(usb->phy); - dev_err(&pdev->dev, "failed to get PHY: %d\n", err); - return err; - } + if (IS_ERR(usb->phy)) + return dev_err_probe(&pdev->dev, PTR_ERR(usb->phy), + "failed to get PHY\n"); usb->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(usb->clk)) { diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c index 67247d2ac07a..e86d13c04bdb 100644 --- a/drivers/usb/chipidea/host.c +++ b/drivers/usb/chipidea/host.c @@ -32,7 +32,7 @@ struct ehci_ci_priv { struct ci_hdrc_dma_aligned_buffer { void *kmalloc_ptr; void *old_xfer_buffer; - u8 data[0]; + u8 data[]; }; static int ehci_ci_portpower(struct usb_hcd *hcd, int portnum, bool enable) diff --git a/drivers/usb/common/common.c b/drivers/usb/common/common.c index fc21cf2d36f6..347fb3d3894a 100644 --- a/drivers/usb/common/common.c +++ b/drivers/usb/common/common.c @@ -25,6 +25,12 @@ static const char *const ep_type_names[] = { [USB_ENDPOINT_XFER_INT] = "intr", }; +/** + * usb_ep_type_string() - Returns human readable-name of the endpoint type. + * @ep_type: The endpoint type to return human-readable name for. If it's not + * any of the types: USB_ENDPOINT_XFER_{CONTROL, ISOC, BULK, INT}, + * usually got by usb_endpoint_type(), the string 'unknown' will be returned. + */ const char *usb_ep_type_string(int ep_type) { if (ep_type < 0 || ep_type >= ARRAY_SIZE(ep_type_names)) @@ -76,6 +82,12 @@ static const char *const ssp_rate[] = { [USB_SSP_GEN_2x2] = "super-speed-plus-gen2x2", }; +/** + * usb_speed_string() - Returns human readable-name of the speed. + * @speed: The speed to return human-readable name for. If it's not + * any of the speeds defined in usb_device_speed enum, string for + * USB_SPEED_UNKNOWN will be returned. + */ const char *usb_speed_string(enum usb_device_speed speed) { if (speed < 0 || speed >= ARRAY_SIZE(speed_names)) @@ -84,6 +96,14 @@ const char *usb_speed_string(enum usb_device_speed speed) } EXPORT_SYMBOL_GPL(usb_speed_string); +/** + * usb_get_maximum_speed - Get maximum requested speed for a given USB + * controller. + * @dev: Pointer to the given USB controller device + * + * The function gets the maximum speed string from property "maximum-speed", + * and returns the corresponding enum usb_device_speed. + */ enum usb_device_speed usb_get_maximum_speed(struct device *dev) { const char *maximum_speed; @@ -102,6 +122,15 @@ enum usb_device_speed usb_get_maximum_speed(struct device *dev) } EXPORT_SYMBOL_GPL(usb_get_maximum_speed); +/** + * usb_get_maximum_ssp_rate - Get the signaling rate generation and lane count + * of a SuperSpeed Plus capable device. + * @dev: Pointer to the given USB controller device + * + * If the string from "maximum-speed" property is super-speed-plus-genXxY where + * 'X' is the generation number and 'Y' is the number of lanes, then this + * function returns the corresponding enum usb_ssp_rate. + */ enum usb_ssp_rate usb_get_maximum_ssp_rate(struct device *dev) { const char *maximum_speed; @@ -116,6 +145,12 @@ enum usb_ssp_rate usb_get_maximum_ssp_rate(struct device *dev) } EXPORT_SYMBOL_GPL(usb_get_maximum_ssp_rate); +/** + * usb_state_string - Returns human readable name for the state. + * @state: The state to return a human-readable name for. If it's not + * any of the states devices in usb_device_state_string enum, + * the string UNKNOWN will be returned. + */ const char *usb_state_string(enum usb_device_state state) { static const char *const names[] = { @@ -165,6 +200,47 @@ enum usb_dr_mode usb_get_dr_mode(struct device *dev) } EXPORT_SYMBOL_GPL(usb_get_dr_mode); +/** + * usb_decode_interval - Decode bInterval into the time expressed in 1us unit + * @epd: The descriptor of the endpoint + * @speed: The speed that the endpoint works as + * + * Function returns the interval expressed in 1us unit for servicing + * endpoint for data transfers. + */ +unsigned int usb_decode_interval(const struct usb_endpoint_descriptor *epd, + enum usb_device_speed speed) +{ + unsigned int interval = 0; + + switch (usb_endpoint_type(epd)) { + case USB_ENDPOINT_XFER_CONTROL: + /* uframes per NAK */ + if (speed == USB_SPEED_HIGH) + interval = epd->bInterval; + break; + case USB_ENDPOINT_XFER_ISOC: + interval = 1 << (epd->bInterval - 1); + break; + case USB_ENDPOINT_XFER_BULK: + /* uframes per NAK */ + if (speed == USB_SPEED_HIGH && usb_endpoint_dir_out(epd)) + interval = epd->bInterval; + break; + case USB_ENDPOINT_XFER_INT: + if (speed >= USB_SPEED_HIGH) + interval = 1 << (epd->bInterval - 1); + else + interval = epd->bInterval; + break; + } + + interval *= (speed >= USB_SPEED_HIGH) ? 125 : 1000; + + return interval; +} +EXPORT_SYMBOL_GPL(usb_decode_interval); + #ifdef CONFIG_OF /** * of_usb_get_dr_mode_by_phy - Get dual role mode for the controller device diff --git a/drivers/usb/common/debug.c b/drivers/usb/common/debug.c index ba849c7bc5c7..a76a086b9c54 100644 --- a/drivers/usb/common/debug.c +++ b/drivers/usb/common/debug.c @@ -207,8 +207,26 @@ static void usb_decode_set_isoch_delay(__u8 wValue, char *str, size_t size) snprintf(str, size, "Set Isochronous Delay(Delay = %d ns)", wValue); } -/* - * usb_decode_ctrl - returns a string representation of ctrl request +/** + * usb_decode_ctrl - Returns human readable representation of control request. + * @str: buffer to return a human-readable representation of control request. + * This buffer should have about 200 bytes. + * @size: size of str buffer. + * @bRequestType: matches the USB bmRequestType field + * @bRequest: matches the USB bRequest field + * @wValue: matches the USB wValue field (CPU byte order) + * @wIndex: matches the USB wIndex field (CPU byte order) + * @wLength: matches the USB wLength field (CPU byte order) + * + * Function returns decoded, formatted and human-readable description of + * control request packet. + * + * The usage scenario for this is for tracepoints, so function as a return + * use the same value as in parameters. This approach allows to use this + * function in TP_printk + * + * Important: wValue, wIndex, wLength parameters before invoking this function + * should be processed by le16_to_cpu macro. */ const char *usb_decode_ctrl(char *str, size_t size, __u8 bRequestType, __u8 bRequest, __u16 wValue, __u16 wIndex, diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c index 1ef2de6e375a..d8b0041de612 100644 --- a/drivers/usb/core/devices.c +++ b/drivers/usb/core/devices.c @@ -157,38 +157,25 @@ static char *usb_dump_endpoint_descriptor(int speed, char *start, char *end, switch (usb_endpoint_type(desc)) { case USB_ENDPOINT_XFER_CONTROL: type = "Ctrl"; - if (speed == USB_SPEED_HIGH) /* uframes per NAK */ - interval = desc->bInterval; - else - interval = 0; dir = 'B'; /* ctrl is bidirectional */ break; case USB_ENDPOINT_XFER_ISOC: type = "Isoc"; - interval = 1 << (desc->bInterval - 1); break; case USB_ENDPOINT_XFER_BULK: type = "Bulk"; - if (speed == USB_SPEED_HIGH && dir == 'O') /* uframes per NAK */ - interval = desc->bInterval; - else - interval = 0; break; case USB_ENDPOINT_XFER_INT: type = "Int."; - if (speed == USB_SPEED_HIGH || speed >= USB_SPEED_SUPER) - interval = 1 << (desc->bInterval - 1); - else - interval = desc->bInterval; break; default: /* "can't happen" */ return start; } - interval *= (speed == USB_SPEED_HIGH || - speed >= USB_SPEED_SUPER) ? 125 : 1000; - if (interval % 1000) + + interval = usb_decode_interval(desc, speed); + if (interval % 1000) { unit = 'u'; - else { + } else { unit = 'm'; interval /= 1000; } diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 4dfa44d6cc3c..072968c40ade 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -519,17 +519,13 @@ static int usb_unbind_interface(struct device *dev) * @driver: the driver to be bound * @iface: the interface to which it will be bound; must be in the * usb device's active configuration - * @priv: driver data associated with that interface + * @data: driver data associated with that interface * * This is used by usb device drivers that need to claim more than one * interface on a device when probing (audio and acm are current examples). * No device driver should directly modify internal usb_interface or * usb_device structure members. * - * Few drivers should need to use this routine, since the most natural - * way to bind to an interface is to return the private data from - * the driver's probe() method. - * * Callers must own the device lock, so driver probe() entries don't need * extra locking, but other call contexts may need to explicitly claim that * lock. @@ -537,7 +533,7 @@ static int usb_unbind_interface(struct device *dev) * Return: 0 on success. */ int usb_driver_claim_interface(struct usb_driver *driver, - struct usb_interface *iface, void *priv) + struct usb_interface *iface, void *data) { struct device *dev; int retval = 0; @@ -554,7 +550,7 @@ int usb_driver_claim_interface(struct usb_driver *driver, return -ENODEV; dev->driver = &driver->drvwrap.driver; - usb_set_intfdata(iface, priv); + usb_set_intfdata(iface, data); iface->needs_binding = 0; iface->condition = USB_INTERFACE_BOUND; diff --git a/drivers/usb/core/endpoint.c b/drivers/usb/core/endpoint.c index 903426b6d305..a2530811cf7d 100644 --- a/drivers/usb/core/endpoint.c +++ b/drivers/usb/core/endpoint.c @@ -84,40 +84,13 @@ static ssize_t interval_show(struct device *dev, struct device_attribute *attr, char *buf) { struct ep_device *ep = to_ep_device(dev); + unsigned int interval; char unit; - unsigned interval = 0; - unsigned in; - in = (ep->desc->bEndpointAddress & USB_DIR_IN); - - switch (usb_endpoint_type(ep->desc)) { - case USB_ENDPOINT_XFER_CONTROL: - if (ep->udev->speed == USB_SPEED_HIGH) - /* uframes per NAK */ - interval = ep->desc->bInterval; - break; - - case USB_ENDPOINT_XFER_ISOC: - interval = 1 << (ep->desc->bInterval - 1); - break; - - case USB_ENDPOINT_XFER_BULK: - if (ep->udev->speed == USB_SPEED_HIGH && !in) - /* uframes per NAK */ - interval = ep->desc->bInterval; - break; - - case USB_ENDPOINT_XFER_INT: - if (ep->udev->speed == USB_SPEED_HIGH) - interval = 1 << (ep->desc->bInterval - 1); - else - interval = ep->desc->bInterval; - break; - } - interval *= (ep->udev->speed == USB_SPEED_HIGH) ? 125 : 1000; - if (interval % 1000) + interval = usb_decode_interval(ep->desc, ep->udev->speed); + if (interval % 1000) { unit = 'u'; - else { + } else { unit = 'm'; interval /= 1000; } diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 3f0381344221..6119fb41d736 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2721,6 +2721,7 @@ int usb_add_hcd(struct usb_hcd *hcd, rhdev->rx_lanes = 1; rhdev->tx_lanes = 1; + rhdev->ssp_rate = USB_SSP_GEN_UNKNOWN; switch (hcd->speed) { case HCD_USB11: @@ -2738,8 +2739,11 @@ int usb_add_hcd(struct usb_hcd *hcd, case HCD_USB32: rhdev->rx_lanes = 2; rhdev->tx_lanes = 2; - fallthrough; + rhdev->ssp_rate = USB_SSP_GEN_2x2; + rhdev->speed = USB_SPEED_SUPER_PLUS; + break; case HCD_USB31: + rhdev->ssp_rate = USB_SSP_GEN_2x1; rhdev->speed = USB_SPEED_SUPER_PLUS; break; default: diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 7f71218cc1e5..9a83390072da 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -31,6 +31,7 @@ #include <linux/pm_qos.h> #include <linux/kobject.h> +#include <linux/bitfield.h> #include <linux/uaccess.h> #include <asm/byteorder.h> @@ -2668,31 +2669,79 @@ out_authorized: return result; } -/* - * Return 1 if port speed is SuperSpeedPlus, 0 otherwise - * check it from the link protocol field of the current speed ID attribute. - * current speed ID is got from ext port status request. Sublink speed attribute - * table is returned with the hub BOS SSP device capability descriptor +/** + * get_port_ssp_rate - Match the extended port status to SSP rate + * @hdev: The hub device + * @ext_portstatus: extended port status + * + * Match the extended port status speed id to the SuperSpeed Plus sublink speed + * capability attributes. Base on the number of connected lanes and speed, + * return the corresponding enum usb_ssp_rate. */ -static int port_speed_is_ssp(struct usb_device *hdev, int speed_id) +static enum usb_ssp_rate get_port_ssp_rate(struct usb_device *hdev, + u32 ext_portstatus) { - int ssa_count; - u32 ss_attr; - int i; struct usb_ssp_cap_descriptor *ssp_cap = hdev->bos->ssp_cap; + u32 attr; + u8 speed_id; + u8 ssac; + u8 lanes; + int i; if (!ssp_cap) - return 0; + goto out; - ssa_count = le32_to_cpu(ssp_cap->bmAttributes) & + speed_id = ext_portstatus & USB_EXT_PORT_STAT_RX_SPEED_ID; + lanes = USB_EXT_PORT_RX_LANES(ext_portstatus) + 1; + + ssac = le32_to_cpu(ssp_cap->bmAttributes) & USB_SSP_SUBLINK_SPEED_ATTRIBS; - for (i = 0; i <= ssa_count; i++) { - ss_attr = le32_to_cpu(ssp_cap->bmSublinkSpeedAttr[i]); - if (speed_id == (ss_attr & USB_SSP_SUBLINK_SPEED_SSID)) - return !!(ss_attr & USB_SSP_SUBLINK_SPEED_LP); + for (i = 0; i <= ssac; i++) { + u8 ssid; + + attr = le32_to_cpu(ssp_cap->bmSublinkSpeedAttr[i]); + ssid = FIELD_GET(USB_SSP_SUBLINK_SPEED_SSID, attr); + if (speed_id == ssid) { + u16 mantissa; + u8 lse; + u8 type; + + /* + * Note: currently asymmetric lane types are only + * applicable for SSIC operate in SuperSpeed protocol + */ + type = FIELD_GET(USB_SSP_SUBLINK_SPEED_ST, attr); + if (type == USB_SSP_SUBLINK_SPEED_ST_ASYM_RX || + type == USB_SSP_SUBLINK_SPEED_ST_ASYM_TX) + goto out; + + if (FIELD_GET(USB_SSP_SUBLINK_SPEED_LP, attr) != + USB_SSP_SUBLINK_SPEED_LP_SSP) + goto out; + + lse = FIELD_GET(USB_SSP_SUBLINK_SPEED_LSE, attr); + mantissa = FIELD_GET(USB_SSP_SUBLINK_SPEED_LSM, attr); + + /* Convert to Gbps */ + for (; lse < USB_SSP_SUBLINK_SPEED_LSE_GBPS; lse++) + mantissa /= 1000; + + if (mantissa >= 10 && lanes == 1) + return USB_SSP_GEN_2x1; + + if (mantissa >= 10 && lanes == 2) + return USB_SSP_GEN_2x2; + + if (mantissa >= 5 && lanes == 2) + return USB_SSP_GEN_1x2; + + goto out; + } } - return 0; + +out: + return USB_SSP_GEN_UNKNOWN; } /* Returns 1 if @hub is a WUSB root hub, 0 otherwise */ @@ -2850,15 +2899,15 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1, /* extended portstatus Rx and Tx lane count are zero based */ udev->rx_lanes = USB_EXT_PORT_RX_LANES(ext_portstatus) + 1; udev->tx_lanes = USB_EXT_PORT_TX_LANES(ext_portstatus) + 1; + udev->ssp_rate = get_port_ssp_rate(hub->hdev, ext_portstatus); } else { udev->rx_lanes = 1; udev->tx_lanes = 1; + udev->ssp_rate = USB_SSP_GEN_UNKNOWN; } if (hub_is_wusb(hub)) udev->speed = USB_SPEED_WIRELESS; - else if (hub_is_superspeedplus(hub->hdev) && - port_speed_is_ssp(hub->hdev, ext_portstatus & - USB_EXT_PORT_STAT_RX_SPEED_ID)) + else if (udev->ssp_rate != USB_SSP_GEN_UNKNOWN) udev->speed = USB_SPEED_SUPER_PLUS; else if (hub_is_superspeed(hub->hdev)) udev->speed = USB_SPEED_SUPER; @@ -4781,9 +4830,13 @@ hub_port_init(struct usb_hub *hub, struct usb_device *udev, int port1, "%s SuperSpeed%s%s USB device number %d using %s\n", (udev->config) ? "reset" : "new", (udev->speed == USB_SPEED_SUPER_PLUS) ? - "Plus Gen 2" : " Gen 1", - (udev->rx_lanes == 2 && udev->tx_lanes == 2) ? - "x2" : "", + " Plus" : "", + (udev->ssp_rate == USB_SSP_GEN_2x2) ? + " Gen 2x2" : + (udev->ssp_rate == USB_SSP_GEN_2x1) ? + " Gen 2x1" : + (udev->ssp_rate == USB_SSP_GEN_1x2) ? + " Gen 1x2" : "", devnum, driver_name); } diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index d85699bee671..5a168ba9fc51 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -167,7 +167,10 @@ static ssize_t speed_show(struct device *dev, struct device_attribute *attr, speed = "5000"; break; case USB_SPEED_SUPER_PLUS: - speed = "10000"; + if (udev->ssp_rate == USB_SSP_GEN_2x2) + speed = "20000"; + else + speed = "10000"; break; default: speed = "unknown"; diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index a566bb494e24..2ce3667ec6fa 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -982,17 +982,15 @@ static struct notifier_block usb_bus_nb = { .notifier_call = usb_bus_notify, }; -static struct dentry *usb_devices_root; - static void usb_debugfs_init(void) { - usb_devices_root = debugfs_create_file("devices", 0444, usb_debug_root, - NULL, &usbfs_devices_fops); + debugfs_create_file("devices", 0444, usb_debug_root, NULL, + &usbfs_devices_fops); } static void usb_debugfs_cleanup(void) { - debugfs_remove(usb_devices_root); + debugfs_remove(debugfs_lookup("devices", usb_debug_root)); } /* diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h index 7161344c6522..d0ebe721fb98 100644 --- a/drivers/usb/dwc2/core.h +++ b/drivers/usb/dwc2/core.h @@ -426,7 +426,7 @@ enum dwc2_ep0_state { * @g_tx_fifo_size: An array of TX fifo sizes in dedicated fifo * mode. Each value corresponds to one EP * starting from EP1 (max 15 values). Sizes are - * in DWORDS with possible values from from + * in DWORDS with possible values from * 16-32768 (default: 256, 256, 256, 256, 768, * 768, 768, 768, 0, 0, 0, 0, 0, 0, 0). * @change_speed_quirk: Change speed configuration to DWC2_SPEED_PARAM_FULL diff --git a/drivers/usb/dwc2/debugfs.c b/drivers/usb/dwc2/debugfs.c index aaafd463d72a..f13eed4231e1 100644 --- a/drivers/usb/dwc2/debugfs.c +++ b/drivers/usb/dwc2/debugfs.c @@ -691,6 +691,8 @@ static int params_show(struct seq_file *seq, void *v) print_param(seq, p, ulpi_fs_ls); print_param(seq, p, host_support_fs_ls_low_power); print_param(seq, p, host_ls_low_power_phy_clk); + print_param(seq, p, activate_stm_fs_transceiver); + print_param(seq, p, activate_stm_id_vb_detection); print_param(seq, p, ts_dline); print_param(seq, p, reload_ctl); print_param_hex(seq, p, ahbcfg); diff --git a/drivers/usb/dwc2/hcd_queue.c b/drivers/usb/dwc2/hcd_queue.c index 68bbac64b753..621a4846bd05 100644 --- a/drivers/usb/dwc2/hcd_queue.c +++ b/drivers/usb/dwc2/hcd_queue.c @@ -59,7 +59,7 @@ #define DWC2_UNRESERVE_DELAY (msecs_to_jiffies(5)) /* If we get a NAK, wait this long before retrying */ -#define DWC2_RETRY_WAIT_DELAY 1*1E6L +#define DWC2_RETRY_WAIT_DELAY (1 * 1E6L) /** * dwc2_periodic_channel_available() - Checks that a channel is available for a diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig index 2133acf8ee69..66b1454c4db2 100644 --- a/drivers/usb/dwc3/Kconfig +++ b/drivers/usb/dwc3/Kconfig @@ -149,4 +149,13 @@ config USB_DWC3_IMX8MP functionality. Say 'Y' or 'M' if you have one such device. +config USB_DWC3_XILINX + tristate "Xilinx Platforms" + depends on (ARCH_ZYNQMP || ARCH_VERSAL) && OF + default USB_DWC3 + help + Support Xilinx SoCs with DesignWare Core USB3 IP. + This driver handles both ZynqMP and Versal SoC operations. + Say 'Y' or 'M' if you have one such device. + endif diff --git a/drivers/usb/dwc3/Makefile b/drivers/usb/dwc3/Makefile index 2259f8876fb2..2d499de6f66a 100644 --- a/drivers/usb/dwc3/Makefile +++ b/drivers/usb/dwc3/Makefile @@ -52,3 +52,4 @@ obj-$(CONFIG_USB_DWC3_OF_SIMPLE) += dwc3-of-simple.o obj-$(CONFIG_USB_DWC3_ST) += dwc3-st.o obj-$(CONFIG_USB_DWC3_QCOM) += dwc3-qcom.o obj-$(CONFIG_USB_DWC3_IMX8MP) += dwc3-imx8mp.o +obj-$(CONFIG_USB_DWC3_XILINX) += dwc3-xilinx.o diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index f2448d0a9d39..05e2e54cbbdc 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1238,6 +1238,8 @@ static void dwc3_get_properties(struct dwc3 *dwc) u8 rx_max_burst_prd; u8 tx_thr_num_pkt_prd; u8 tx_max_burst_prd; + const char *usb_psy_name; + int ret; /* default to highest possible threshold */ lpm_nyet_threshold = 0xf; @@ -1263,6 +1265,13 @@ static void dwc3_get_properties(struct dwc3 *dwc) else dwc->sysdev = dwc->dev; + ret = device_property_read_string(dev, "usb-psy-name", &usb_psy_name); + if (ret >= 0) { + dwc->usb_psy = power_supply_get_by_name(usb_psy_name); + if (!dwc->usb_psy) + dev_err(dev, "couldn't get usb power supply\n"); + } + dwc->has_lpm_erratum = device_property_read_bool(dev, "snps,has-lpm-erratum"); device_property_read_u8(dev, "snps,lpm-nyet-threshold", @@ -1385,7 +1394,6 @@ static void dwc3_check_params(struct dwc3 *dwc) /* Check the maximum_speed parameter */ switch (dwc->maximum_speed) { - case USB_SPEED_LOW: case USB_SPEED_FULL: case USB_SPEED_HIGH: break; @@ -1619,6 +1627,9 @@ disable_clks: assert_reset: reset_control_assert(dwc->reset); + if (dwc->usb_psy) + power_supply_put(dwc->usb_psy); + return ret; } @@ -1641,6 +1652,9 @@ static int dwc3_remove(struct platform_device *pdev) dwc3_free_event_buffers(dwc); dwc3_free_scratch_buffers(dwc); + if (dwc->usb_psy) + power_supply_put(dwc->usb_psy); + return 0; } diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 052b20d52651..6e9abfbccaa6 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -30,6 +30,8 @@ #include <linux/phy/phy.h> +#include <linux/power_supply.h> + #define DWC3_MSG_MAX 500 /* Global constants */ @@ -396,7 +398,6 @@ #define DWC3_DCFG_SUPERSPEED (4 << 0) #define DWC3_DCFG_HIGHSPEED (0 << 0) #define DWC3_DCFG_FULLSPEED BIT(0) -#define DWC3_DCFG_LOWSPEED (2 << 0) #define DWC3_DCFG_NUMP_SHIFT 17 #define DWC3_DCFG_NUMP(n) (((n) >> DWC3_DCFG_NUMP_SHIFT) & 0x1f) @@ -490,7 +491,6 @@ #define DWC3_DSTS_SUPERSPEED (4 << 0) #define DWC3_DSTS_HIGHSPEED (0 << 0) #define DWC3_DSTS_FULLSPEED BIT(0) -#define DWC3_DSTS_LOWSPEED (2 << 0) /* Device Generic Command Register */ #define DWC3_DGCMD_SET_LMP 0x01 @@ -860,8 +860,6 @@ struct dwc3_hwparams { /* HWPARAMS0 */ #define DWC3_MODE(n) ((n) & 0x7) -#define DWC3_MDWIDTH(n) (((n) & 0xff00) >> 8) - /* HWPARAMS1 */ #define DWC3_NUM_INT(n) (((n) & (0x3f << 15)) >> 15) @@ -908,11 +906,13 @@ struct dwc3_request { unsigned int remaining; unsigned int status; -#define DWC3_REQUEST_STATUS_QUEUED 0 -#define DWC3_REQUEST_STATUS_STARTED 1 -#define DWC3_REQUEST_STATUS_CANCELLED 2 -#define DWC3_REQUEST_STATUS_COMPLETED 3 -#define DWC3_REQUEST_STATUS_UNKNOWN -1 +#define DWC3_REQUEST_STATUS_QUEUED 0 +#define DWC3_REQUEST_STATUS_STARTED 1 +#define DWC3_REQUEST_STATUS_DISCONNECTED 2 +#define DWC3_REQUEST_STATUS_DEQUEUED 3 +#define DWC3_REQUEST_STATUS_STALLED 4 +#define DWC3_REQUEST_STATUS_COMPLETED 5 +#define DWC3_REQUEST_STATUS_UNKNOWN -1 u8 epnum; struct dwc3_trb *trb; @@ -986,6 +986,7 @@ struct dwc3_scratchpad_array { * @role_sw: usb_role_switch handle * @role_switch_default_mode: default operation mode of controller while * usb role is USB_ROLE_NONE. + * @usb_psy: pointer to power supply interface. * @usb2_phy: pointer to USB2 PHY * @usb3_phy: pointer to USB3 PHY * @usb2_generic_phy: pointer to USB2 PHY @@ -1125,6 +1126,8 @@ struct dwc3 { struct usb_role_switch *role_sw; enum usb_dr_mode role_switch_default_mode; + struct power_supply *usb_psy; + u32 fladj; u32 irq_gadget; u32 otg_irq; @@ -1455,6 +1458,23 @@ u32 dwc3_core_fifo_space(struct dwc3_ep *dep, u8 type); (!(_ip##_VERSIONTYPE_##_to) || \ dwc->version_type <= _ip##_VERSIONTYPE_##_to)) +/** + * dwc3_mdwidth - get MDWIDTH value in bits + * @dwc: pointer to our context structure + * + * Return MDWIDTH configuration value in bits. + */ +static inline u32 dwc3_mdwidth(struct dwc3 *dwc) +{ + u32 mdwidth; + + mdwidth = DWC3_GHWPARAMS0_MDWIDTH(dwc->hwparams.hwparams0); + if (DWC3_IP_IS(DWC32)) + mdwidth += DWC3_GHWPARAMS6_MDWIDTH(dwc->hwparams.hwparams6); + + return mdwidth; +} + bool dwc3_has_imod(struct dwc3 *dwc); int dwc3_event_buffers_setup(struct dwc3 *dwc); diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h index 8ab394942360..db231de46bb3 100644 --- a/drivers/usb/dwc3/debug.h +++ b/drivers/usb/dwc3/debug.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/** +/* * debug.h - DesignWare USB3 DRD Controller Debug Header * * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c index 5da4f6082d93..7146ee2ac057 100644 --- a/drivers/usb/dwc3/debugfs.c +++ b/drivers/usb/dwc3/debugfs.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/** +/* * debugfs.c - DesignWare USB3 DRD Controller DebugFS file * * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com @@ -638,16 +638,14 @@ static int dwc3_tx_fifo_size_show(struct seq_file *s, void *unused) struct dwc3_ep *dep = s->private; struct dwc3 *dwc = dep->dwc; unsigned long flags; - int mdwidth; + u32 mdwidth; u32 val; spin_lock_irqsave(&dwc->lock, flags); val = dwc3_core_fifo_space(dep, DWC3_TXFIFO); /* Convert to bytes */ - mdwidth = DWC3_MDWIDTH(dwc->hwparams.hwparams0); - if (DWC3_IP_IS(DWC32)) - mdwidth += DWC3_GHWPARAMS6_MDWIDTH(dwc->hwparams.hwparams6); + mdwidth = dwc3_mdwidth(dwc); val *= mdwidth; val >>= 3; @@ -662,16 +660,14 @@ static int dwc3_rx_fifo_size_show(struct seq_file *s, void *unused) struct dwc3_ep *dep = s->private; struct dwc3 *dwc = dep->dwc; unsigned long flags; - int mdwidth; + u32 mdwidth; u32 val; spin_lock_irqsave(&dwc->lock, flags); val = dwc3_core_fifo_space(dep, DWC3_RXFIFO); /* Convert to bytes */ - mdwidth = DWC3_MDWIDTH(dwc->hwparams.hwparams0); - if (DWC3_IP_IS(DWC32)) - mdwidth += DWC3_GHWPARAMS6_MDWIDTH(dwc->hwparams.hwparams6); + mdwidth = dwc3_mdwidth(dwc); val *= mdwidth; val >>= 3; diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c index 90bb022737da..0ecf20eeceee 100644 --- a/drivers/usb/dwc3/dwc3-exynos.c +++ b/drivers/usb/dwc3/dwc3-exynos.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/** +/* * dwc3-exynos.c - Samsung Exynos DWC3 Specific Glue layer * * Copyright (c) 2012 Samsung Electronics Co., Ltd. diff --git a/drivers/usb/dwc3/dwc3-imx8mp.c b/drivers/usb/dwc3/dwc3-imx8mp.c index 75f0042b998b..b13cfab89d53 100644 --- a/drivers/usb/dwc3/dwc3-imx8mp.c +++ b/drivers/usb/dwc3/dwc3-imx8mp.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/** +/* * dwc3-imx8mp.c - NXP imx8mp Specific Glue layer * * Copyright (c) 2020 NXP. diff --git a/drivers/usb/dwc3/dwc3-keystone.c b/drivers/usb/dwc3/dwc3-keystone.c index 057056c0975e..1317959294e6 100644 --- a/drivers/usb/dwc3/dwc3-keystone.c +++ b/drivers/usb/dwc3/dwc3-keystone.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/** +/* * dwc3-keystone.c - Keystone Specific Glue layer * * Copyright (C) 2010-2013 Texas Instruments Incorporated - https://www.ti.com diff --git a/drivers/usb/dwc3/dwc3-of-simple.c b/drivers/usb/dwc3/dwc3-of-simple.c index e62ecd22b3ed..71fd620c5161 100644 --- a/drivers/usb/dwc3/dwc3-of-simple.c +++ b/drivers/usb/dwc3/dwc3-of-simple.c @@ -172,7 +172,6 @@ static const struct dev_pm_ops dwc3_of_simple_dev_pm_ops = { static const struct of_device_id of_dwc3_simple_match[] = { { .compatible = "rockchip,rk3399-dwc3" }, - { .compatible = "xlnx,zynqmp-dwc3" }, { .compatible = "cavium,octeon-7130-usb-uctl" }, { .compatible = "sprd,sc9860-dwc3" }, { .compatible = "allwinner,sun50i-h6-dwc3" }, diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 4c5c6972124a..4698c43af5ae 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/** +/* * dwc3-pci.c - PCI Specific glue layer * * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c index 3de291ab951a..e37cc58dfa55 100644 --- a/drivers/usb/dwc3/dwc3-qcom.c +++ b/drivers/usb/dwc3/dwc3-qcom.c @@ -235,7 +235,7 @@ static int dwc3_qcom_interconnect_disable(struct dwc3_qcom *qcom) /** * dwc3_qcom_interconnect_init() - Get interconnect path handles - * and set bandwidhth. + * and set bandwidth. * @qcom: Pointer to the concerned usb core. * */ diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c index b06b7092b1a2..166b5bde45cb 100644 --- a/drivers/usb/dwc3/dwc3-st.c +++ b/drivers/usb/dwc3/dwc3-st.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0+ -/** +/* * dwc3-st.c Support for dwc3 platform devices on ST Microelectronics platforms * * This is a small driver for the dwc3 to provide the glue logic diff --git a/drivers/usb/dwc3/dwc3-xilinx.c b/drivers/usb/dwc3/dwc3-xilinx.c new file mode 100644 index 000000000000..a59e1494b1a0 --- /dev/null +++ b/drivers/usb/dwc3/dwc3-xilinx.c @@ -0,0 +1,339 @@ +// SPDX-License-Identifier: GPL-2.0 +/** + * dwc3-xilinx.c - Xilinx DWC3 controller specific glue driver + * + * Authors: Manish Narani <[email protected]> + * Anurag Kumar Vulisha <[email protected]> + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/clk.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/dma-mapping.h> +#include <linux/of_platform.h> +#include <linux/pm_runtime.h> +#include <linux/reset.h> +#include <linux/of_address.h> +#include <linux/delay.h> +#include <linux/firmware/xlnx-zynqmp.h> +#include <linux/io.h> + +#include <linux/phy/phy.h> + +/* USB phy reset mask register */ +#define XLNX_USB_PHY_RST_EN 0x001C +#define XLNX_PHY_RST_MASK 0x1 + +/* Xilinx USB 3.0 IP Register */ +#define XLNX_USB_TRAFFIC_ROUTE_CONFIG 0x005C +#define XLNX_USB_TRAFFIC_ROUTE_FPD 0x1 + +/* Versal USB Reset ID */ +#define VERSAL_USB_RESET_ID 0xC104036 + +#define XLNX_USB_FPD_PIPE_CLK 0x7c +#define PIPE_CLK_DESELECT 1 +#define PIPE_CLK_SELECT 0 +#define XLNX_USB_FPD_POWER_PRSNT 0x80 +#define FPD_POWER_PRSNT_OPTION BIT(0) + +struct dwc3_xlnx { + int num_clocks; + struct clk_bulk_data *clks; + struct device *dev; + void __iomem *regs; + int (*pltfm_init)(struct dwc3_xlnx *data); +}; + +static void dwc3_xlnx_mask_phy_rst(struct dwc3_xlnx *priv_data, bool mask) +{ + u32 reg; + + /* + * Enable or disable ULPI PHY reset from USB Controller. + * This does not actually reset the phy, but just controls + * whether USB controller can or cannot reset ULPI PHY. + */ + reg = readl(priv_data->regs + XLNX_USB_PHY_RST_EN); + + if (mask) + reg &= ~XLNX_PHY_RST_MASK; + else + reg |= XLNX_PHY_RST_MASK; + + writel(reg, priv_data->regs + XLNX_USB_PHY_RST_EN); +} + +static int dwc3_xlnx_init_versal(struct dwc3_xlnx *priv_data) +{ + struct device *dev = priv_data->dev; + int ret; + + dwc3_xlnx_mask_phy_rst(priv_data, false); + + /* Assert and De-assert reset */ + ret = zynqmp_pm_reset_assert(VERSAL_USB_RESET_ID, + PM_RESET_ACTION_ASSERT); + if (ret < 0) { + dev_err_probe(dev, ret, "failed to assert Reset\n"); + return ret; + } + + ret = zynqmp_pm_reset_assert(VERSAL_USB_RESET_ID, + PM_RESET_ACTION_RELEASE); + if (ret < 0) { + dev_err_probe(dev, ret, "failed to De-assert Reset\n"); + return ret; + } + + dwc3_xlnx_mask_phy_rst(priv_data, true); + + return 0; +} + +static int dwc3_xlnx_init_zynqmp(struct dwc3_xlnx *priv_data) +{ + struct device *dev = priv_data->dev; + struct reset_control *crst, *hibrst, *apbrst; + struct phy *usb3_phy; + int ret; + u32 reg; + + usb3_phy = devm_phy_get(dev, "usb3-phy"); + if (PTR_ERR(usb3_phy) == -EPROBE_DEFER) { + ret = -EPROBE_DEFER; + goto err; + } else if (IS_ERR(usb3_phy)) { + usb3_phy = NULL; + } + + crst = devm_reset_control_get_exclusive(dev, "usb_crst"); + if (IS_ERR(crst)) { + ret = PTR_ERR(crst); + dev_err_probe(dev, ret, + "failed to get core reset signal\n"); + goto err; + } + + hibrst = devm_reset_control_get_exclusive(dev, "usb_hibrst"); + if (IS_ERR(hibrst)) { + ret = PTR_ERR(hibrst); + dev_err_probe(dev, ret, + "failed to get hibernation reset signal\n"); + goto err; + } + + apbrst = devm_reset_control_get_exclusive(dev, "usb_apbrst"); + if (IS_ERR(apbrst)) { + ret = PTR_ERR(apbrst); + dev_err_probe(dev, ret, + "failed to get APB reset signal\n"); + goto err; + } + + ret = reset_control_assert(crst); + if (ret < 0) { + dev_err(dev, "Failed to assert core reset\n"); + goto err; + } + + ret = reset_control_assert(hibrst); + if (ret < 0) { + dev_err(dev, "Failed to assert hibernation reset\n"); + goto err; + } + + ret = reset_control_assert(apbrst); + if (ret < 0) { + dev_err(dev, "Failed to assert APB reset\n"); + goto err; + } + + ret = phy_init(usb3_phy); + if (ret < 0) { + phy_exit(usb3_phy); + goto err; + } + + ret = reset_control_deassert(apbrst); + if (ret < 0) { + dev_err(dev, "Failed to release APB reset\n"); + goto err; + } + + /* Set PIPE Power Present signal in FPD Power Present Register*/ + writel(FPD_POWER_PRSNT_OPTION, priv_data->regs + XLNX_USB_FPD_POWER_PRSNT); + + /* Set the PIPE Clock Select bit in FPD PIPE Clock register */ + writel(PIPE_CLK_SELECT, priv_data->regs + XLNX_USB_FPD_PIPE_CLK); + + ret = reset_control_deassert(crst); + if (ret < 0) { + dev_err(dev, "Failed to release core reset\n"); + goto err; + } + + ret = reset_control_deassert(hibrst); + if (ret < 0) { + dev_err(dev, "Failed to release hibernation reset\n"); + goto err; + } + + ret = phy_power_on(usb3_phy); + if (ret < 0) { + phy_exit(usb3_phy); + goto err; + } + + /* + * This routes the USB DMA traffic to go through FPD path instead + * of reaching DDR directly. This traffic routing is needed to + * make SMMU and CCI work with USB DMA. + */ + if (of_dma_is_coherent(dev->of_node) || device_iommu_mapped(dev)) { + reg = readl(priv_data->regs + XLNX_USB_TRAFFIC_ROUTE_CONFIG); + reg |= XLNX_USB_TRAFFIC_ROUTE_FPD; + writel(reg, priv_data->regs + XLNX_USB_TRAFFIC_ROUTE_CONFIG); + } + +err: + return ret; +} + +static const struct of_device_id dwc3_xlnx_of_match[] = { + { + .compatible = "xlnx,zynqmp-dwc3", + .data = &dwc3_xlnx_init_zynqmp, + }, + { + .compatible = "xlnx,versal-dwc3", + .data = &dwc3_xlnx_init_versal, + }, + { /* Sentinel */ } +}; +MODULE_DEVICE_TABLE(of, dwc3_xlnx_of_match); + +static int dwc3_xlnx_probe(struct platform_device *pdev) +{ + struct dwc3_xlnx *priv_data; + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + const struct of_device_id *match; + void __iomem *regs; + int ret; + + priv_data = devm_kzalloc(dev, sizeof(*priv_data), GFP_KERNEL); + if (!priv_data) + return -ENOMEM; + + regs = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(regs)) { + ret = PTR_ERR(regs); + dev_err_probe(dev, ret, "failed to map registers\n"); + return ret; + } + + match = of_match_node(dwc3_xlnx_of_match, pdev->dev.of_node); + + priv_data->pltfm_init = match->data; + priv_data->regs = regs; + priv_data->dev = dev; + + platform_set_drvdata(pdev, priv_data); + + ret = devm_clk_bulk_get_all(priv_data->dev, &priv_data->clks); + if (ret < 0) + return ret; + + priv_data->num_clocks = ret; + + ret = clk_bulk_prepare_enable(priv_data->num_clocks, priv_data->clks); + if (ret) + return ret; + + ret = priv_data->pltfm_init(priv_data); + if (ret) + goto err_clk_put; + + ret = of_platform_populate(np, NULL, NULL, dev); + if (ret) + goto err_clk_put; + + pm_runtime_set_active(dev); + pm_runtime_enable(dev); + pm_suspend_ignore_children(dev, false); + pm_runtime_get_sync(dev); + + return 0; + +err_clk_put: + clk_bulk_disable_unprepare(priv_data->num_clocks, priv_data->clks); + clk_bulk_put_all(priv_data->num_clocks, priv_data->clks); + + return ret; +} + +static int dwc3_xlnx_remove(struct platform_device *pdev) +{ + struct dwc3_xlnx *priv_data = platform_get_drvdata(pdev); + struct device *dev = &pdev->dev; + + of_platform_depopulate(dev); + + clk_bulk_disable_unprepare(priv_data->num_clocks, priv_data->clks); + clk_bulk_put_all(priv_data->num_clocks, priv_data->clks); + priv_data->num_clocks = 0; + + pm_runtime_disable(dev); + pm_runtime_put_noidle(dev); + pm_runtime_set_suspended(dev); + + return 0; +} + +static int __maybe_unused dwc3_xlnx_suspend_common(struct device *dev) +{ + struct dwc3_xlnx *priv_data = dev_get_drvdata(dev); + + clk_bulk_disable(priv_data->num_clocks, priv_data->clks); + + return 0; +} + +static int __maybe_unused dwc3_xlnx_resume_common(struct device *dev) +{ + struct dwc3_xlnx *priv_data = dev_get_drvdata(dev); + + return clk_bulk_enable(priv_data->num_clocks, priv_data->clks); +} + +static int __maybe_unused dwc3_xlnx_runtime_idle(struct device *dev) +{ + pm_runtime_mark_last_busy(dev); + pm_runtime_autosuspend(dev); + + return 0; +} + +static UNIVERSAL_DEV_PM_OPS(dwc3_xlnx_dev_pm_ops, dwc3_xlnx_suspend_common, + dwc3_xlnx_resume_common, dwc3_xlnx_runtime_idle); + +static struct platform_driver dwc3_xlnx_driver = { + .probe = dwc3_xlnx_probe, + .remove = dwc3_xlnx_remove, + .driver = { + .name = "dwc3-xilinx", + .of_match_table = dwc3_xlnx_of_match, + .pm = &dwc3_xlnx_dev_pm_ops, + }, +}; + +module_platform_driver(dwc3_xlnx_driver); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("Xilinx DWC3 controller specific glue driver"); +MODULE_AUTHOR("Manish Narani <[email protected]>"); +MODULE_AUTHOR("Anurag Kumar Vulisha <[email protected]>"); diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index c7ef218e7a8c..e1b04c976da5 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1402,7 +1402,7 @@ static int __dwc3_gadget_kick_transfer(struct dwc3_ep *dep) dwc3_stop_active_transfer(dep, true, true); list_for_each_entry_safe(req, tmp, &dep->started_list, list) - dwc3_gadget_move_cancelled_request(req); + dwc3_gadget_move_cancelled_request(req, DWC3_REQUEST_STATUS_DEQUEUED); /* If ep isn't started, then there's no end transfer pending */ if (!(dep->flags & DWC3_EP_END_TRANSFER_PENDING)) @@ -1729,10 +1729,25 @@ static void dwc3_gadget_ep_cleanup_cancelled_requests(struct dwc3_ep *dep) { struct dwc3_request *req; struct dwc3_request *tmp; + struct dwc3 *dwc = dep->dwc; list_for_each_entry_safe(req, tmp, &dep->cancelled_list, list) { dwc3_gadget_ep_skip_trbs(dep, req); - dwc3_gadget_giveback(dep, req, -ECONNRESET); + switch (req->status) { + case DWC3_REQUEST_STATUS_DISCONNECTED: + dwc3_gadget_giveback(dep, req, -ESHUTDOWN); + break; + case DWC3_REQUEST_STATUS_DEQUEUED: + dwc3_gadget_giveback(dep, req, -ECONNRESET); + break; + case DWC3_REQUEST_STATUS_STALLED: + dwc3_gadget_giveback(dep, req, -EPIPE); + break; + default: + dev_err(dwc->dev, "request cancelled with wrong reason:%d\n", req->status); + dwc3_gadget_giveback(dep, req, -ECONNRESET); + break; + } } } @@ -1776,7 +1791,8 @@ static int dwc3_gadget_ep_dequeue(struct usb_ep *ep, * cancelled. */ list_for_each_entry_safe(r, t, &dep->started_list, list) - dwc3_gadget_move_cancelled_request(r); + dwc3_gadget_move_cancelled_request(r, + DWC3_REQUEST_STATUS_DEQUEUED); dep->flags &= ~DWC3_EP_WAIT_TRANSFER_COMPLETE; @@ -1848,7 +1864,7 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol) dwc3_stop_active_transfer(dep, true, true); list_for_each_entry_safe(req, tmp, &dep->started_list, list) - dwc3_gadget_move_cancelled_request(req); + dwc3_gadget_move_cancelled_request(req, DWC3_REQUEST_STATUS_STALLED); if (dep->flags & DWC3_EP_END_TRANSFER_PENDING) { dep->flags |= DWC3_EP_PENDING_CLEAR_STALL; @@ -2113,9 +2129,6 @@ static void __dwc3_gadget_set_speed(struct dwc3 *dwc) reg |= DWC3_DCFG_SUPERSPEED; } else { switch (speed) { - case USB_SPEED_LOW: - reg |= DWC3_DCFG_LOWSPEED; - break; case USB_SPEED_FULL: reg |= DWC3_DCFG_FULLSPEED; break; @@ -2340,9 +2353,7 @@ static void dwc3_gadget_setup_nump(struct dwc3 *dwc) u32 reg; ram2_depth = DWC3_GHWPARAMS7_RAM2_DEPTH(dwc->hwparams.hwparams7); - mdwidth = DWC3_GHWPARAMS0_MDWIDTH(dwc->hwparams.hwparams0); - if (DWC3_IP_IS(DWC32)) - mdwidth += DWC3_GHWPARAMS6_MDWIDTH(dwc->hwparams.hwparams6); + mdwidth = dwc3_mdwidth(dwc); nump = ((ram2_depth * mdwidth / 8) - 24 - 16) / 1024; nump = min_t(u32, nump, 16); @@ -2531,11 +2542,19 @@ static void dwc3_gadget_set_ssp_rate(struct usb_gadget *g, static int dwc3_gadget_vbus_draw(struct usb_gadget *g, unsigned int mA) { struct dwc3 *dwc = gadget_to_dwc(g); + union power_supply_propval val = {0}; + int ret; if (dwc->usb2_phy) return usb_phy_set_power(dwc->usb2_phy, mA); - return 0; + if (!dwc->usb_psy) + return -EOPNOTSUPP; + + val.intval = 1000 * mA; + ret = power_supply_set_property(dwc->usb_psy, POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, &val); + + return ret; } static const struct usb_gadget_ops dwc3_gadget_ops = { @@ -2571,12 +2590,10 @@ static int dwc3_gadget_init_control_endpoint(struct dwc3_ep *dep) static int dwc3_gadget_init_in_endpoint(struct dwc3_ep *dep) { struct dwc3 *dwc = dep->dwc; - int mdwidth; + u32 mdwidth; int size; - mdwidth = DWC3_MDWIDTH(dwc->hwparams.hwparams0); - if (DWC3_IP_IS(DWC32)) - mdwidth += DWC3_GHWPARAMS6_MDWIDTH(dwc->hwparams.hwparams6); + mdwidth = dwc3_mdwidth(dwc); /* MDWIDTH is represented in bits, we need it in bytes */ mdwidth /= 8; @@ -2618,12 +2635,10 @@ static int dwc3_gadget_init_in_endpoint(struct dwc3_ep *dep) static int dwc3_gadget_init_out_endpoint(struct dwc3_ep *dep) { struct dwc3 *dwc = dep->dwc; - int mdwidth; + u32 mdwidth; int size; - mdwidth = DWC3_MDWIDTH(dwc->hwparams.hwparams0); - if (DWC3_IP_IS(DWC32)) - mdwidth += DWC3_GHWPARAMS6_MDWIDTH(dwc->hwparams.hwparams6); + mdwidth = dwc3_mdwidth(dwc); /* MDWIDTH is represented in bits, convert to bytes */ mdwidth /= 8; @@ -2913,6 +2928,11 @@ static void dwc3_gadget_ep_cleanup_completed_requests(struct dwc3_ep *dep, static bool dwc3_gadget_ep_should_continue(struct dwc3_ep *dep) { struct dwc3_request *req; + struct dwc3 *dwc = dep->dwc; + + if (!dep->endpoint.desc || !dwc->pullups_connected || + !dwc->connected) + return false; if (!list_empty(&dep->pending_list)) return true; @@ -3323,6 +3343,15 @@ static void dwc3_gadget_reset_interrupt(struct dwc3 *dwc) u32 reg; /* + * Ideally, dwc3_reset_gadget() would trigger the function + * drivers to stop any active transfers through ep disable. + * However, for functions which defer ep disable, such as mass + * storage, we will need to rely on the call to stop active + * transfers here, and avoid allowing of request queuing. + */ + dwc->connected = false; + + /* * WORKAROUND: DWC3 revisions <1.88a have an issue which * would cause a missing Disconnect Event if there's a * pending Setup Packet in the FIFO. @@ -3448,11 +3477,6 @@ static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc) dwc->gadget->ep0->maxpacket = 64; dwc->gadget->speed = USB_SPEED_FULL; break; - case DWC3_DSTS_LOWSPEED: - dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(8); - dwc->gadget->ep0->maxpacket = 8; - dwc->gadget->speed = USB_SPEED_LOW; - break; } dwc->eps[1]->endpoint.maxpacket = dwc->gadget->ep0->maxpacket; diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h index 0cd281949970..77df4b6d6c13 100644 --- a/drivers/usb/dwc3/gadget.h +++ b/drivers/usb/dwc3/gadget.h @@ -90,15 +90,17 @@ static inline void dwc3_gadget_move_started_request(struct dwc3_request *req) /** * dwc3_gadget_move_cancelled_request - move @req to the cancelled_list * @req: the request to be moved + * @reason: cancelled reason for the dwc3 request * * Caller should take care of locking. This function will move @req from its * current list to the endpoint's cancelled_list. */ -static inline void dwc3_gadget_move_cancelled_request(struct dwc3_request *req) +static inline void dwc3_gadget_move_cancelled_request(struct dwc3_request *req, + unsigned int reason) { struct dwc3_ep *dep = req->dep; - req->status = DWC3_REQUEST_STATUS_CANCELLED; + req->status = reason; list_move_tail(&req->list, &dep->cancelled_list); } diff --git a/drivers/usb/dwc3/io.h b/drivers/usb/dwc3/io.h index 76b73b116862..1e96ea339d48 100644 --- a/drivers/usb/dwc3/io.h +++ b/drivers/usb/dwc3/io.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/** +/* * io.h - DesignWare USB3 DRD IO Header * * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com diff --git a/drivers/usb/dwc3/trace.c b/drivers/usb/dwc3/trace.c index 1b45a9723eeb..088995885678 100644 --- a/drivers/usb/dwc3/trace.c +++ b/drivers/usb/dwc3/trace.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/** +/* * trace.c - DesignWare USB3 DRD Controller Trace Support * * Copyright (C) 2014 Texas Instruments Incorporated - https://www.ti.com diff --git a/drivers/usb/dwc3/trace.h b/drivers/usb/dwc3/trace.h index 97f4f1125a41..51d18e8d1602 100644 --- a/drivers/usb/dwc3/trace.h +++ b/drivers/usb/dwc3/trace.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/** +/* * trace.h - DesignWare USB3 DRD Controller Trace Support * * Copyright (C) 2014 Texas Instruments Incorporated - https://www.ti.com @@ -32,8 +32,10 @@ DECLARE_EVENT_CLASS(dwc3_log_io, __entry->offset = offset; __entry->value = value; ), - TP_printk("addr %p value %08x", __entry->base + __entry->offset, - __entry->value) + TP_printk("addr %p offset %04x value %08x", + __entry->base + __entry->offset, + __entry->offset, + __entry->value) ); DEFINE_EVENT(dwc3_log_io, dwc3_readl, diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 801a8b668a35..bf109191659a 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -2640,6 +2640,7 @@ static int __ffs_data_got_strings(struct ffs_data *ffs, do { /* lang_count > 0 so we can use do-while */ unsigned needed = needed_count; + u32 str_per_lang = str_count; if (len < 3) goto error_free; @@ -2675,7 +2676,7 @@ static int __ffs_data_got_strings(struct ffs_data *ffs, data += length + 1; len -= length + 1; - } while (--str_count); + } while (--str_per_lang); s->id = 0; /* terminator */ s->s = NULL; @@ -3826,14 +3827,9 @@ static char *ffs_prepare_buffer(const char __user *buf, size_t len) if (!len) return NULL; - data = kmalloc(len, GFP_KERNEL); - if (!data) - return ERR_PTR(-ENOMEM); - - if (copy_from_user(data, buf, len)) { - kfree(data); - return ERR_PTR(-EFAULT); - } + data = memdup_user(buf, len); + if (IS_ERR(data)) + return ERR_PTR(PTR_ERR(data)); pr_vdebug("Buffer from user space:\n"); ffs_dump_mem("", data, len); diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c index 950c9435beec..4a4703634a2a 100644 --- a/drivers/usb/gadget/function/f_mass_storage.c +++ b/drivers/usb/gadget/function/f_mass_storage.c @@ -351,8 +351,6 @@ static inline struct fsg_dev *fsg_from_func(struct usb_function *f) return container_of(f, struct fsg_dev, function); } -typedef void (*fsg_routine_t)(struct fsg_dev *); - static int exception_in_progress(struct fsg_common *common) { return common->state > FSG_STATE_NORMAL; diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c index 61ce8e68f7a3..f47fdc1fa7f1 100644 --- a/drivers/usb/gadget/function/f_printer.c +++ b/drivers/usb/gadget/function/f_printer.c @@ -825,7 +825,7 @@ set_printer_interface(struct printer_dev *dev) result = usb_ep_enable(dev->out_ep); if (result != 0) { - DBG(dev, "enable %s --> %d\n", dev->in_ep->name, result); + DBG(dev, "enable %s --> %d\n", dev->out_ep->name, result); goto done; } diff --git a/drivers/usb/gadget/function/f_uac1.c b/drivers/usb/gadget/function/f_uac1.c index 560382e0a8f3..d04707580068 100644 --- a/drivers/usb/gadget/function/f_uac1.c +++ b/drivers/usb/gadget/function/f_uac1.c @@ -19,6 +19,12 @@ #include "u_audio.h" #include "u_uac1.h" +/* UAC1 spec: 3.7.2.3 Audio Channel Cluster Format */ +#define UAC1_CHANNEL_MASK 0x0FFF + +#define EPIN_EN(_opts) ((_opts)->p_chmask != 0) +#define EPOUT_EN(_opts) ((_opts)->c_chmask != 0) + struct f_uac1 { struct g_audio g_audio; u8 ac_intf, as_in_intf, as_out_intf; @@ -30,6 +36,11 @@ static inline struct f_uac1 *func_to_uac1(struct usb_function *f) return container_of(f, struct f_uac1, g_audio.func); } +static inline struct f_uac1_opts *g_audio_to_uac1_opts(struct g_audio *audio) +{ + return container_of(audio->func.fi, struct f_uac1_opts, func_inst); +} + /* * DESCRIPTORS ... most are static, but strings and full * configuration descriptors are built on demand. @@ -42,11 +53,6 @@ static inline struct f_uac1 *func_to_uac1(struct usb_function *f) * USB-OUT -> IT_1 -> OT_2 -> ALSA_Capture * ALSA_Playback -> IT_3 -> OT_4 -> USB-IN */ -#define F_AUDIO_AC_INTERFACE 0 -#define F_AUDIO_AS_OUT_INTERFACE 1 -#define F_AUDIO_AS_IN_INTERFACE 2 -/* Number of streaming interfaces */ -#define F_AUDIO_NUM_INTERFACES 2 /* B.3.1 Standard AC Interface Descriptor */ static struct usb_interface_descriptor ac_interface_desc = { @@ -57,73 +63,47 @@ static struct usb_interface_descriptor ac_interface_desc = { .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL, }; -/* - * The number of AudioStreaming and MIDIStreaming interfaces - * in the Audio Interface Collection - */ -DECLARE_UAC_AC_HEADER_DESCRIPTOR(2); - -#define UAC_DT_AC_HEADER_LENGTH UAC_DT_AC_HEADER_SIZE(F_AUDIO_NUM_INTERFACES) -/* 2 input terminals and 2 output terminals */ -#define UAC_DT_TOTAL_LENGTH (UAC_DT_AC_HEADER_LENGTH \ - + 2*UAC_DT_INPUT_TERMINAL_SIZE + 2*UAC_DT_OUTPUT_TERMINAL_SIZE) /* B.3.2 Class-Specific AC Interface Descriptor */ -static struct uac1_ac_header_descriptor_2 ac_header_desc = { - .bLength = UAC_DT_AC_HEADER_LENGTH, - .bDescriptorType = USB_DT_CS_INTERFACE, - .bDescriptorSubtype = UAC_HEADER, - .bcdADC = cpu_to_le16(0x0100), - .wTotalLength = cpu_to_le16(UAC_DT_TOTAL_LENGTH), - .bInCollection = F_AUDIO_NUM_INTERFACES, - .baInterfaceNr = { - /* Interface number of the AudioStream interfaces */ - [0] = 1, - [1] = 2, - } -}; +static struct uac1_ac_header_descriptor *ac_header_desc; -#define USB_OUT_IT_ID 1 static struct uac_input_terminal_descriptor usb_out_it_desc = { .bLength = UAC_DT_INPUT_TERMINAL_SIZE, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_INPUT_TERMINAL, - .bTerminalID = USB_OUT_IT_ID, + /* .bTerminalID = DYNAMIC */ .wTerminalType = cpu_to_le16(UAC_TERMINAL_STREAMING), .bAssocTerminal = 0, .wChannelConfig = cpu_to_le16(0x3), }; -#define IO_OUT_OT_ID 2 static struct uac1_output_terminal_descriptor io_out_ot_desc = { .bLength = UAC_DT_OUTPUT_TERMINAL_SIZE, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_OUTPUT_TERMINAL, - .bTerminalID = IO_OUT_OT_ID, + /* .bTerminalID = DYNAMIC */ .wTerminalType = cpu_to_le16(UAC_OUTPUT_TERMINAL_SPEAKER), .bAssocTerminal = 0, - .bSourceID = USB_OUT_IT_ID, + /* .bSourceID = DYNAMIC */ }; -#define IO_IN_IT_ID 3 static struct uac_input_terminal_descriptor io_in_it_desc = { .bLength = UAC_DT_INPUT_TERMINAL_SIZE, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_INPUT_TERMINAL, - .bTerminalID = IO_IN_IT_ID, + /* .bTerminalID = DYNAMIC */ .wTerminalType = cpu_to_le16(UAC_INPUT_TERMINAL_MICROPHONE), .bAssocTerminal = 0, .wChannelConfig = cpu_to_le16(0x3), }; -#define USB_IN_OT_ID 4 static struct uac1_output_terminal_descriptor usb_in_ot_desc = { .bLength = UAC_DT_OUTPUT_TERMINAL_SIZE, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_OUTPUT_TERMINAL, - .bTerminalID = USB_IN_OT_ID, + /* .bTerminalID = DYNAMIC */ .wTerminalType = cpu_to_le16(UAC_TERMINAL_STREAMING), .bAssocTerminal = 0, - .bSourceID = IO_IN_IT_ID, + /* .bSourceID = DYNAMIC */ }; /* B.4.1 Standard AS Interface Descriptor */ @@ -168,7 +148,7 @@ static struct uac1_as_header_descriptor as_out_header_desc = { .bLength = UAC_DT_AS_HEADER_SIZE, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_AS_GENERAL, - .bTerminalLink = USB_OUT_IT_ID, + /* .bTerminalLink = DYNAMIC */ .bDelay = 1, .wFormatTag = cpu_to_le16(UAC_FORMAT_TYPE_I_PCM), }; @@ -177,7 +157,7 @@ static struct uac1_as_header_descriptor as_in_header_desc = { .bLength = UAC_DT_AS_HEADER_SIZE, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_AS_GENERAL, - .bTerminalLink = USB_IN_OT_ID, + /* .bTerminalLink = DYNAMIC */ .bDelay = 1, .wFormatTag = cpu_to_le16(UAC_FORMAT_TYPE_I_PCM), }; @@ -505,11 +485,144 @@ static void f_audio_disable(struct usb_function *f) /*-------------------------------------------------------------------------*/ +static struct +uac1_ac_header_descriptor *build_ac_header_desc(struct f_uac1_opts *opts) +{ + struct uac1_ac_header_descriptor *ac_desc; + int ac_header_desc_size; + int num_ifaces = 0; + + if (EPOUT_EN(opts)) + num_ifaces++; + if (EPIN_EN(opts)) + num_ifaces++; + + ac_header_desc_size = UAC_DT_AC_HEADER_SIZE(num_ifaces); + + ac_desc = kzalloc(ac_header_desc_size, GFP_KERNEL); + if (!ac_desc) + return NULL; + + ac_desc->bLength = ac_header_desc_size; + ac_desc->bDescriptorType = USB_DT_CS_INTERFACE; + ac_desc->bDescriptorSubtype = UAC_HEADER; + ac_desc->bcdADC = cpu_to_le16(0x0100); + ac_desc->bInCollection = num_ifaces; + + /* wTotalLength and baInterfaceNr will be defined later */ + + return ac_desc; +} + +/* Use macro to overcome line length limitation */ +#define USBDHDR(p) (struct usb_descriptor_header *)(p) + +static void setup_descriptor(struct f_uac1_opts *opts) +{ + /* patch descriptors */ + int i = 1; /* ID's start with 1 */ + + if (EPOUT_EN(opts)) + usb_out_it_desc.bTerminalID = i++; + if (EPIN_EN(opts)) + io_in_it_desc.bTerminalID = i++; + if (EPOUT_EN(opts)) + io_out_ot_desc.bTerminalID = i++; + if (EPIN_EN(opts)) + usb_in_ot_desc.bTerminalID = i++; + + usb_in_ot_desc.bSourceID = io_in_it_desc.bTerminalID; + io_out_ot_desc.bSourceID = usb_out_it_desc.bTerminalID; + + as_out_header_desc.bTerminalLink = usb_out_it_desc.bTerminalID; + as_in_header_desc.bTerminalLink = usb_in_ot_desc.bTerminalID; + + ac_header_desc->wTotalLength = cpu_to_le16(ac_header_desc->bLength); + + if (EPIN_EN(opts)) { + u16 len = le16_to_cpu(ac_header_desc->wTotalLength); + + len += sizeof(usb_in_ot_desc); + len += sizeof(io_in_it_desc); + ac_header_desc->wTotalLength = cpu_to_le16(len); + } + if (EPOUT_EN(opts)) { + u16 len = le16_to_cpu(ac_header_desc->wTotalLength); + + len += sizeof(usb_out_it_desc); + len += sizeof(io_out_ot_desc); + ac_header_desc->wTotalLength = cpu_to_le16(len); + } + + i = 0; + f_audio_desc[i++] = USBDHDR(&ac_interface_desc); + f_audio_desc[i++] = USBDHDR(ac_header_desc); + + if (EPOUT_EN(opts)) { + f_audio_desc[i++] = USBDHDR(&usb_out_it_desc); + f_audio_desc[i++] = USBDHDR(&io_out_ot_desc); + } + + if (EPIN_EN(opts)) { + f_audio_desc[i++] = USBDHDR(&io_in_it_desc); + f_audio_desc[i++] = USBDHDR(&usb_in_ot_desc); + } + + if (EPOUT_EN(opts)) { + f_audio_desc[i++] = USBDHDR(&as_out_interface_alt_0_desc); + f_audio_desc[i++] = USBDHDR(&as_out_interface_alt_1_desc); + f_audio_desc[i++] = USBDHDR(&as_out_header_desc); + f_audio_desc[i++] = USBDHDR(&as_out_type_i_desc); + f_audio_desc[i++] = USBDHDR(&as_out_ep_desc); + f_audio_desc[i++] = USBDHDR(&as_iso_out_desc); + } + if (EPIN_EN(opts)) { + f_audio_desc[i++] = USBDHDR(&as_in_interface_alt_0_desc); + f_audio_desc[i++] = USBDHDR(&as_in_interface_alt_1_desc); + f_audio_desc[i++] = USBDHDR(&as_in_header_desc); + f_audio_desc[i++] = USBDHDR(&as_in_type_i_desc); + f_audio_desc[i++] = USBDHDR(&as_in_ep_desc); + f_audio_desc[i++] = USBDHDR(&as_iso_in_desc); + } + f_audio_desc[i] = NULL; +} + +static int f_audio_validate_opts(struct g_audio *audio, struct device *dev) +{ + struct f_uac1_opts *opts = g_audio_to_uac1_opts(audio); + + if (!opts->p_chmask && !opts->c_chmask) { + dev_err(dev, "Error: no playback and capture channels\n"); + return -EINVAL; + } else if (opts->p_chmask & ~UAC1_CHANNEL_MASK) { + dev_err(dev, "Error: unsupported playback channels mask\n"); + return -EINVAL; + } else if (opts->c_chmask & ~UAC1_CHANNEL_MASK) { + dev_err(dev, "Error: unsupported capture channels mask\n"); + return -EINVAL; + } else if ((opts->p_ssize < 1) || (opts->p_ssize > 4)) { + dev_err(dev, "Error: incorrect playback sample size\n"); + return -EINVAL; + } else if ((opts->c_ssize < 1) || (opts->c_ssize > 4)) { + dev_err(dev, "Error: incorrect capture sample size\n"); + return -EINVAL; + } else if (!opts->p_srate) { + dev_err(dev, "Error: incorrect playback sampling rate\n"); + return -EINVAL; + } else if (!opts->c_srate) { + dev_err(dev, "Error: incorrect capture sampling rate\n"); + return -EINVAL; + } + + return 0; +} + /* audio function driver setup/binding */ static int f_audio_bind(struct usb_configuration *c, struct usb_function *f) { struct usb_composite_dev *cdev = c->cdev; struct usb_gadget *gadget = cdev->gadget; + struct device *dev = &gadget->dev; struct f_uac1 *uac1 = func_to_uac1(f); struct g_audio *audio = func_to_g_audio(f); struct f_uac1_opts *audio_opts; @@ -517,13 +630,23 @@ static int f_audio_bind(struct usb_configuration *c, struct usb_function *f) struct usb_string *us; u8 *sam_freq; int rate; + int ba_iface_id; int status; + status = f_audio_validate_opts(audio, dev); + if (status) + return status; + audio_opts = container_of(f->fi, struct f_uac1_opts, func_inst); us = usb_gstrings_attach(cdev, uac1_strings, ARRAY_SIZE(strings_uac1)); if (IS_ERR(us)) return PTR_ERR(us); + + ac_header_desc = build_ac_header_desc(audio_opts); + if (!ac_header_desc) + return -ENOMEM; + ac_interface_desc.iInterface = us[STR_AC_IF].id; usb_out_it_desc.iTerminal = us[STR_USB_OUT_IT].id; usb_out_it_desc.iChannelNames = us[STR_USB_OUT_IT_CH_NAMES].id; @@ -564,40 +687,52 @@ static int f_audio_bind(struct usb_configuration *c, struct usb_function *f) uac1->ac_intf = status; uac1->ac_alt = 0; - status = usb_interface_id(c, f); - if (status < 0) - goto fail; - as_out_interface_alt_0_desc.bInterfaceNumber = status; - as_out_interface_alt_1_desc.bInterfaceNumber = status; - ac_header_desc.baInterfaceNr[0] = status; - uac1->as_out_intf = status; - uac1->as_out_alt = 0; + ba_iface_id = 0; + + if (EPOUT_EN(audio_opts)) { + status = usb_interface_id(c, f); + if (status < 0) + goto fail; + as_out_interface_alt_0_desc.bInterfaceNumber = status; + as_out_interface_alt_1_desc.bInterfaceNumber = status; + ac_header_desc->baInterfaceNr[ba_iface_id++] = status; + uac1->as_out_intf = status; + uac1->as_out_alt = 0; + } - status = usb_interface_id(c, f); - if (status < 0) - goto fail; - as_in_interface_alt_0_desc.bInterfaceNumber = status; - as_in_interface_alt_1_desc.bInterfaceNumber = status; - ac_header_desc.baInterfaceNr[1] = status; - uac1->as_in_intf = status; - uac1->as_in_alt = 0; + if (EPIN_EN(audio_opts)) { + status = usb_interface_id(c, f); + if (status < 0) + goto fail; + as_in_interface_alt_0_desc.bInterfaceNumber = status; + as_in_interface_alt_1_desc.bInterfaceNumber = status; + ac_header_desc->baInterfaceNr[ba_iface_id++] = status; + uac1->as_in_intf = status; + uac1->as_in_alt = 0; + } audio->gadget = gadget; status = -ENODEV; /* allocate instance-specific endpoints */ - ep = usb_ep_autoconfig(cdev->gadget, &as_out_ep_desc); - if (!ep) - goto fail; - audio->out_ep = ep; - audio->out_ep->desc = &as_out_ep_desc; + if (EPOUT_EN(audio_opts)) { + ep = usb_ep_autoconfig(cdev->gadget, &as_out_ep_desc); + if (!ep) + goto fail; + audio->out_ep = ep; + audio->out_ep->desc = &as_out_ep_desc; + } - ep = usb_ep_autoconfig(cdev->gadget, &as_in_ep_desc); - if (!ep) - goto fail; - audio->in_ep = ep; - audio->in_ep->desc = &as_in_ep_desc; + if (EPIN_EN(audio_opts)) { + ep = usb_ep_autoconfig(cdev->gadget, &as_in_ep_desc); + if (!ep) + goto fail; + audio->in_ep = ep; + audio->in_ep->desc = &as_in_ep_desc; + } + + setup_descriptor(audio_opts); /* copy descriptors, and track endpoint copies */ status = usb_assign_descriptors(f, f_audio_desc, f_audio_desc, NULL, @@ -624,6 +759,8 @@ static int f_audio_bind(struct usb_configuration *c, struct usb_function *f) err_card_register: usb_free_all_descriptors(f); fail: + kfree(ac_header_desc); + ac_header_desc = NULL; return status; } @@ -766,6 +903,9 @@ static void f_audio_unbind(struct usb_configuration *c, struct usb_function *f) g_audio_cleanup(audio); usb_free_all_descriptors(f); + kfree(ac_header_desc); + ac_header_desc = NULL; + audio->gadget = NULL; } diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c index 6f03e944e0e3..7aa4c8bc5a1a 100644 --- a/drivers/usb/gadget/function/f_uac2.c +++ b/drivers/usb/gadget/function/f_uac2.c @@ -14,6 +14,9 @@ #include "u_audio.h" #include "u_uac2.h" +/* UAC2 spec: 4.1 Audio Channel Cluster Descriptor */ +#define UAC2_CHANNEL_MASK 0x07FFFFFF + /* * The driver implements a simple UAC_2 topology. * USB-OUT -> IT_1 -> OT_3 -> ALSA_Capture @@ -284,6 +287,24 @@ static struct usb_endpoint_descriptor hs_epout_desc = { .bInterval = 4, }; +static struct usb_endpoint_descriptor ss_epout_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + + .bEndpointAddress = USB_DIR_OUT, + .bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC, + /* .wMaxPacketSize = DYNAMIC */ + .bInterval = 4, +}; + +static struct usb_ss_ep_comp_descriptor ss_epout_desc_comp = { + .bLength = sizeof(ss_epout_desc_comp), + .bDescriptorType = USB_DT_SS_ENDPOINT_COMP, + .bMaxBurst = 0, + .bmAttributes = 0, + /* wBytesPerInterval = DYNAMIC */ +}; + /* CS AS ISO OUT Endpoint */ static struct uac2_iso_endpoint_descriptor as_iso_out_desc = { .bLength = sizeof as_iso_out_desc, @@ -361,6 +382,24 @@ static struct usb_endpoint_descriptor hs_epin_desc = { .bInterval = 4, }; +static struct usb_endpoint_descriptor ss_epin_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + + .bEndpointAddress = USB_DIR_IN, + .bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC, + /* .wMaxPacketSize = DYNAMIC */ + .bInterval = 4, +}; + +static struct usb_ss_ep_comp_descriptor ss_epin_desc_comp = { + .bLength = sizeof(ss_epin_desc_comp), + .bDescriptorType = USB_DT_SS_ENDPOINT_COMP, + .bMaxBurst = 0, + .bmAttributes = 0, + /* wBytesPerInterval = DYNAMIC */ +}; + /* CS AS ISO IN Endpoint */ static struct uac2_iso_endpoint_descriptor as_iso_in_desc = { .bLength = sizeof as_iso_in_desc, @@ -433,6 +472,38 @@ static struct usb_descriptor_header *hs_audio_desc[] = { NULL, }; +static struct usb_descriptor_header *ss_audio_desc[] = { + (struct usb_descriptor_header *)&iad_desc, + (struct usb_descriptor_header *)&std_ac_if_desc, + + (struct usb_descriptor_header *)&ac_hdr_desc, + (struct usb_descriptor_header *)&in_clk_src_desc, + (struct usb_descriptor_header *)&out_clk_src_desc, + (struct usb_descriptor_header *)&usb_out_it_desc, + (struct usb_descriptor_header *)&io_in_it_desc, + (struct usb_descriptor_header *)&usb_in_ot_desc, + (struct usb_descriptor_header *)&io_out_ot_desc, + + (struct usb_descriptor_header *)&std_as_out_if0_desc, + (struct usb_descriptor_header *)&std_as_out_if1_desc, + + (struct usb_descriptor_header *)&as_out_hdr_desc, + (struct usb_descriptor_header *)&as_out_fmt1_desc, + (struct usb_descriptor_header *)&ss_epout_desc, + (struct usb_descriptor_header *)&ss_epout_desc_comp, + (struct usb_descriptor_header *)&as_iso_out_desc, + + (struct usb_descriptor_header *)&std_as_in_if0_desc, + (struct usb_descriptor_header *)&std_as_in_if1_desc, + + (struct usb_descriptor_header *)&as_in_hdr_desc, + (struct usb_descriptor_header *)&as_in_fmt1_desc, + (struct usb_descriptor_header *)&ss_epin_desc, + (struct usb_descriptor_header *)&ss_epin_desc_comp, + (struct usb_descriptor_header *)&as_iso_in_desc, + NULL, +}; + struct cntrl_cur_lay3 { __le32 dCUR; }; @@ -459,6 +530,7 @@ static int set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts, break; case USB_SPEED_HIGH: + case USB_SPEED_SUPER: max_size_ep = 1024; factor = 8000; break; @@ -488,6 +560,72 @@ static int set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts, /* Use macro to overcome line length limitation */ #define USBDHDR(p) (struct usb_descriptor_header *)(p) +static void setup_headers(struct f_uac2_opts *opts, + struct usb_descriptor_header **headers, + enum usb_device_speed speed) +{ + struct usb_ss_ep_comp_descriptor *epout_desc_comp = NULL; + struct usb_ss_ep_comp_descriptor *epin_desc_comp = NULL; + struct usb_endpoint_descriptor *epout_desc; + struct usb_endpoint_descriptor *epin_desc; + int i; + + switch (speed) { + case USB_SPEED_FULL: + epout_desc = &fs_epout_desc; + epin_desc = &fs_epin_desc; + break; + case USB_SPEED_HIGH: + epout_desc = &hs_epout_desc; + epin_desc = &hs_epin_desc; + break; + default: + epout_desc = &ss_epout_desc; + epin_desc = &ss_epin_desc; + epout_desc_comp = &ss_epout_desc_comp; + epin_desc_comp = &ss_epin_desc_comp; + } + + i = 0; + headers[i++] = USBDHDR(&iad_desc); + headers[i++] = USBDHDR(&std_ac_if_desc); + headers[i++] = USBDHDR(&ac_hdr_desc); + if (EPIN_EN(opts)) + headers[i++] = USBDHDR(&in_clk_src_desc); + if (EPOUT_EN(opts)) { + headers[i++] = USBDHDR(&out_clk_src_desc); + headers[i++] = USBDHDR(&usb_out_it_desc); + } + if (EPIN_EN(opts)) { + headers[i++] = USBDHDR(&io_in_it_desc); + headers[i++] = USBDHDR(&usb_in_ot_desc); + } + if (EPOUT_EN(opts)) { + headers[i++] = USBDHDR(&io_out_ot_desc); + headers[i++] = USBDHDR(&std_as_out_if0_desc); + headers[i++] = USBDHDR(&std_as_out_if1_desc); + headers[i++] = USBDHDR(&as_out_hdr_desc); + headers[i++] = USBDHDR(&as_out_fmt1_desc); + headers[i++] = USBDHDR(epout_desc); + if (epout_desc_comp) + headers[i++] = USBDHDR(epout_desc_comp); + + headers[i++] = USBDHDR(&as_iso_out_desc); + } + if (EPIN_EN(opts)) { + headers[i++] = USBDHDR(&std_as_in_if0_desc); + headers[i++] = USBDHDR(&std_as_in_if1_desc); + headers[i++] = USBDHDR(&as_in_hdr_desc); + headers[i++] = USBDHDR(&as_in_fmt1_desc); + headers[i++] = USBDHDR(epin_desc); + if (epin_desc_comp) + headers[i++] = USBDHDR(epin_desc_comp); + + headers[i++] = USBDHDR(&as_iso_in_desc); + } + headers[i] = NULL; +} + static void setup_descriptor(struct f_uac2_opts *opts) { /* patch descriptors */ @@ -537,71 +675,39 @@ static void setup_descriptor(struct f_uac2_opts *opts) iad_desc.bInterfaceCount++; } - i = 0; - fs_audio_desc[i++] = USBDHDR(&iad_desc); - fs_audio_desc[i++] = USBDHDR(&std_ac_if_desc); - fs_audio_desc[i++] = USBDHDR(&ac_hdr_desc); - if (EPIN_EN(opts)) - fs_audio_desc[i++] = USBDHDR(&in_clk_src_desc); - if (EPOUT_EN(opts)) { - fs_audio_desc[i++] = USBDHDR(&out_clk_src_desc); - fs_audio_desc[i++] = USBDHDR(&usb_out_it_desc); - } - if (EPIN_EN(opts)) { - fs_audio_desc[i++] = USBDHDR(&io_in_it_desc); - fs_audio_desc[i++] = USBDHDR(&usb_in_ot_desc); - } - if (EPOUT_EN(opts)) { - fs_audio_desc[i++] = USBDHDR(&io_out_ot_desc); - fs_audio_desc[i++] = USBDHDR(&std_as_out_if0_desc); - fs_audio_desc[i++] = USBDHDR(&std_as_out_if1_desc); - fs_audio_desc[i++] = USBDHDR(&as_out_hdr_desc); - fs_audio_desc[i++] = USBDHDR(&as_out_fmt1_desc); - fs_audio_desc[i++] = USBDHDR(&fs_epout_desc); - fs_audio_desc[i++] = USBDHDR(&as_iso_out_desc); - } - if (EPIN_EN(opts)) { - fs_audio_desc[i++] = USBDHDR(&std_as_in_if0_desc); - fs_audio_desc[i++] = USBDHDR(&std_as_in_if1_desc); - fs_audio_desc[i++] = USBDHDR(&as_in_hdr_desc); - fs_audio_desc[i++] = USBDHDR(&as_in_fmt1_desc); - fs_audio_desc[i++] = USBDHDR(&fs_epin_desc); - fs_audio_desc[i++] = USBDHDR(&as_iso_in_desc); - } - fs_audio_desc[i] = NULL; + setup_headers(opts, fs_audio_desc, USB_SPEED_FULL); + setup_headers(opts, hs_audio_desc, USB_SPEED_HIGH); + setup_headers(opts, ss_audio_desc, USB_SPEED_SUPER); +} - i = 0; - hs_audio_desc[i++] = USBDHDR(&iad_desc); - hs_audio_desc[i++] = USBDHDR(&std_ac_if_desc); - hs_audio_desc[i++] = USBDHDR(&ac_hdr_desc); - if (EPIN_EN(opts)) - hs_audio_desc[i++] = USBDHDR(&in_clk_src_desc); - if (EPOUT_EN(opts)) { - hs_audio_desc[i++] = USBDHDR(&out_clk_src_desc); - hs_audio_desc[i++] = USBDHDR(&usb_out_it_desc); - } - if (EPIN_EN(opts)) { - hs_audio_desc[i++] = USBDHDR(&io_in_it_desc); - hs_audio_desc[i++] = USBDHDR(&usb_in_ot_desc); - } - if (EPOUT_EN(opts)) { - hs_audio_desc[i++] = USBDHDR(&io_out_ot_desc); - hs_audio_desc[i++] = USBDHDR(&std_as_out_if0_desc); - hs_audio_desc[i++] = USBDHDR(&std_as_out_if1_desc); - hs_audio_desc[i++] = USBDHDR(&as_out_hdr_desc); - hs_audio_desc[i++] = USBDHDR(&as_out_fmt1_desc); - hs_audio_desc[i++] = USBDHDR(&hs_epout_desc); - hs_audio_desc[i++] = USBDHDR(&as_iso_out_desc); - } - if (EPIN_EN(opts)) { - hs_audio_desc[i++] = USBDHDR(&std_as_in_if0_desc); - hs_audio_desc[i++] = USBDHDR(&std_as_in_if1_desc); - hs_audio_desc[i++] = USBDHDR(&as_in_hdr_desc); - hs_audio_desc[i++] = USBDHDR(&as_in_fmt1_desc); - hs_audio_desc[i++] = USBDHDR(&hs_epin_desc); - hs_audio_desc[i++] = USBDHDR(&as_iso_in_desc); +static int afunc_validate_opts(struct g_audio *agdev, struct device *dev) +{ + struct f_uac2_opts *opts = g_audio_to_uac2_opts(agdev); + + if (!opts->p_chmask && !opts->c_chmask) { + dev_err(dev, "Error: no playback and capture channels\n"); + return -EINVAL; + } else if (opts->p_chmask & ~UAC2_CHANNEL_MASK) { + dev_err(dev, "Error: unsupported playback channels mask\n"); + return -EINVAL; + } else if (opts->c_chmask & ~UAC2_CHANNEL_MASK) { + dev_err(dev, "Error: unsupported capture channels mask\n"); + return -EINVAL; + } else if ((opts->p_ssize < 1) || (opts->p_ssize > 4)) { + dev_err(dev, "Error: incorrect playback sample size\n"); + return -EINVAL; + } else if ((opts->c_ssize < 1) || (opts->c_ssize > 4)) { + dev_err(dev, "Error: incorrect capture sample size\n"); + return -EINVAL; + } else if (!opts->p_srate) { + dev_err(dev, "Error: incorrect playback sampling rate\n"); + return -EINVAL; + } else if (!opts->c_srate) { + dev_err(dev, "Error: incorrect capture sampling rate\n"); + return -EINVAL; } - hs_audio_desc[i] = NULL; + + return 0; } static int @@ -612,11 +718,13 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn) struct usb_composite_dev *cdev = cfg->cdev; struct usb_gadget *gadget = cdev->gadget; struct device *dev = &gadget->dev; - struct f_uac2_opts *uac2_opts; + struct f_uac2_opts *uac2_opts = g_audio_to_uac2_opts(agdev); struct usb_string *us; int ret; - uac2_opts = container_of(fn->fi, struct f_uac2_opts, func_inst); + ret = afunc_validate_opts(agdev, dev); + if (ret) + return ret; us = usb_gstrings_attach(cdev, fn_strings, ARRAY_SIZE(strings_fn)); if (IS_ERR(us)) @@ -716,6 +824,20 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn) return ret; } + ret = set_ep_max_packet_size(uac2_opts, &ss_epin_desc, USB_SPEED_SUPER, + true); + if (ret < 0) { + dev_err(dev, "%s:%d Error!\n", __func__, __LINE__); + return ret; + } + + ret = set_ep_max_packet_size(uac2_opts, &ss_epout_desc, USB_SPEED_SUPER, + false); + if (ret < 0) { + dev_err(dev, "%s:%d Error!\n", __func__, __LINE__); + return ret; + } + if (EPOUT_EN(uac2_opts)) { agdev->out_ep = usb_ep_autoconfig(gadget, &fs_epout_desc); if (!agdev->out_ep) { @@ -739,13 +861,20 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn) le16_to_cpu(fs_epout_desc.wMaxPacketSize), le16_to_cpu(hs_epout_desc.wMaxPacketSize)); + agdev->in_ep_maxpsize = max_t(u16, agdev->in_ep_maxpsize, + le16_to_cpu(ss_epin_desc.wMaxPacketSize)); + agdev->out_ep_maxpsize = max_t(u16, agdev->out_ep_maxpsize, + le16_to_cpu(ss_epout_desc.wMaxPacketSize)); + hs_epout_desc.bEndpointAddress = fs_epout_desc.bEndpointAddress; hs_epin_desc.bEndpointAddress = fs_epin_desc.bEndpointAddress; + ss_epout_desc.bEndpointAddress = fs_epout_desc.bEndpointAddress; + ss_epin_desc.bEndpointAddress = fs_epin_desc.bEndpointAddress; setup_descriptor(uac2_opts); - ret = usb_assign_descriptors(fn, fs_audio_desc, hs_audio_desc, NULL, - NULL); + ret = usb_assign_descriptors(fn, fs_audio_desc, hs_audio_desc, ss_audio_desc, + ss_audio_desc); if (ret) return ret; diff --git a/drivers/usb/gadget/function/f_uvc.c b/drivers/usb/gadget/function/f_uvc.c index 44b4352a2676..f48a00e49794 100644 --- a/drivers/usb/gadget/function/f_uvc.c +++ b/drivers/usb/gadget/function/f_uvc.c @@ -633,7 +633,12 @@ uvc_function_bind(struct usb_configuration *c, struct usb_function *f) uvc_hs_streaming_ep.wMaxPacketSize = cpu_to_le16(max_packet_size | ((max_packet_mult - 1) << 11)); - uvc_hs_streaming_ep.bInterval = opts->streaming_interval; + + /* A high-bandwidth endpoint must specify a bInterval value of 1 */ + if (max_packet_mult > 1) + uvc_hs_streaming_ep.bInterval = 1; + else + uvc_hs_streaming_ep.bInterval = opts->streaming_interval; uvc_ss_streaming_ep.wMaxPacketSize = cpu_to_le16(max_packet_size); uvc_ss_streaming_ep.bInterval = opts->streaming_interval; @@ -817,6 +822,7 @@ static struct usb_function_instance *uvc_alloc_inst(void) pd->bmControls[0] = 1; pd->bmControls[1] = 0; pd->iProcessing = 0; + pd->bmVideoStandards = 0; od = &opts->uvc_output_terminal; od->bLength = UVC_DT_OUTPUT_TERMINAL_SIZE; diff --git a/drivers/usb/gadget/function/u_audio.c b/drivers/usb/gadget/function/u_audio.c index 265c4d805f81..5fbceee897a3 100644 --- a/drivers/usb/gadget/function/u_audio.c +++ b/drivers/usb/gadget/function/u_audio.c @@ -549,15 +549,15 @@ int g_audio_setup(struct g_audio *g_audio, const char *pcm_name, if (err < 0) goto snd_fail; - strlcpy(pcm->name, pcm_name, sizeof(pcm->name)); + strscpy(pcm->name, pcm_name, sizeof(pcm->name)); pcm->private_data = uac; uac->pcm = pcm; snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &uac_pcm_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &uac_pcm_ops); - strlcpy(card->driver, card_name, sizeof(card->driver)); - strlcpy(card->shortname, card_name, sizeof(card->shortname)); + strscpy(card->driver, card_name, sizeof(card->driver)); + strscpy(card->shortname, card_name, sizeof(card->shortname)); sprintf(card->longname, "%s %i", card_name, card->dev->id); snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS, diff --git a/drivers/usb/gadget/function/uvc_configfs.c b/drivers/usb/gadget/function/uvc_configfs.c index 00fb58e50a15..cd28dec837dd 100644 --- a/drivers/usb/gadget/function/uvc_configfs.c +++ b/drivers/usb/gadget/function/uvc_configfs.c @@ -231,7 +231,7 @@ static struct config_item *uvcg_control_header_make(struct config_group *group, h->desc.bLength = UVC_DT_HEADER_SIZE(1); h->desc.bDescriptorType = USB_DT_CS_INTERFACE; h->desc.bDescriptorSubType = UVC_VC_HEADER; - h->desc.bcdUVC = cpu_to_le16(0x0100); + h->desc.bcdUVC = cpu_to_le16(0x0110); h->desc.dwClockFrequency = cpu_to_le32(48000000); config_item_init_type_name(&h->item, name, &uvcg_control_header_type); diff --git a/drivers/usb/gadget/legacy/mass_storage.c b/drivers/usb/gadget/legacy/mass_storage.c index 9ed22c5fb7fe..ac1741126619 100644 --- a/drivers/usb/gadget/legacy/mass_storage.c +++ b/drivers/usb/gadget/legacy/mass_storage.c @@ -175,8 +175,10 @@ static int msg_bind(struct usb_composite_dev *cdev) struct usb_descriptor_header *usb_desc; usb_desc = usb_otg_descriptor_alloc(cdev->gadget); - if (!usb_desc) + if (!usb_desc) { + status = -ENOMEM; goto fail_string_ids; + } usb_otg_descriptor_init(cdev->gadget, usb_desc); otg_desc[0] = usb_desc; otg_desc[1] = NULL; diff --git a/drivers/usb/gadget/legacy/multi.c b/drivers/usb/gadget/legacy/multi.c index ec9749845660..8db5c91ae47d 100644 --- a/drivers/usb/gadget/legacy/multi.c +++ b/drivers/usb/gadget/legacy/multi.c @@ -182,7 +182,7 @@ err_func_rndis: return ret; } -static __ref int rndis_config_register(struct usb_composite_dev *cdev) +static int rndis_config_register(struct usb_composite_dev *cdev) { static struct usb_configuration config = { .bConfigurationValue = MULTI_RNDIS_CONFIG_NUM, @@ -197,7 +197,7 @@ static __ref int rndis_config_register(struct usb_composite_dev *cdev) #else -static __ref int rndis_config_register(struct usb_composite_dev *cdev) +static int rndis_config_register(struct usb_composite_dev *cdev) { return 0; } @@ -265,7 +265,7 @@ err_func_ecm: return ret; } -static __ref int cdc_config_register(struct usb_composite_dev *cdev) +static int cdc_config_register(struct usb_composite_dev *cdev) { static struct usb_configuration config = { .bConfigurationValue = MULTI_CDC_CONFIG_NUM, @@ -280,7 +280,7 @@ static __ref int cdc_config_register(struct usb_composite_dev *cdev) #else -static __ref int cdc_config_register(struct usb_composite_dev *cdev) +static int cdc_config_register(struct usb_composite_dev *cdev) { return 0; } @@ -291,7 +291,7 @@ static __ref int cdc_config_register(struct usb_composite_dev *cdev) /****************************** Gadget Bind ******************************/ -static int __ref multi_bind(struct usb_composite_dev *cdev) +static int multi_bind(struct usb_composite_dev *cdev) { struct usb_gadget *gadget = cdev->gadget; #ifdef CONFIG_USB_G_MULTI_CDC @@ -399,8 +399,10 @@ static int __ref multi_bind(struct usb_composite_dev *cdev) struct usb_descriptor_header *usb_desc; usb_desc = usb_otg_descriptor_alloc(gadget); - if (!usb_desc) + if (!usb_desc) { + status = -ENOMEM; goto fail_string_ids; + } usb_otg_descriptor_init(gadget, usb_desc); otg_desc[0] = usb_desc; otg_desc[1] = NULL; diff --git a/drivers/usb/gadget/legacy/webcam.c b/drivers/usb/gadget/legacy/webcam.c index a9f8eb8e1c76..94e22867da1d 100644 --- a/drivers/usb/gadget/legacy/webcam.c +++ b/drivers/usb/gadget/legacy/webcam.c @@ -90,7 +90,7 @@ static const struct UVC_HEADER_DESCRIPTOR(1) uvc_control_header = { .bLength = UVC_DT_HEADER_SIZE(1), .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubType = UVC_VC_HEADER, - .bcdUVC = cpu_to_le16(0x0100), + .bcdUVC = cpu_to_le16(0x0110), .wTotalLength = 0, /* dynamic */ .dwClockFrequency = cpu_to_le32(48000000), .bInCollection = 0, /* dynamic */ @@ -125,6 +125,7 @@ static const struct uvc_processing_unit_descriptor uvc_processing = { .bmControls[0] = 1, .bmControls[1] = 0, .iProcessing = 0, + .bmVideoStandards = 0, }; static const struct uvc_output_terminal_descriptor uvc_output_terminal = { diff --git a/drivers/usb/gadget/udc/aspeed-vhub/core.c b/drivers/usb/gadget/udc/aspeed-vhub/core.c index be7bb64e3594..d11d3d14313f 100644 --- a/drivers/usb/gadget/udc/aspeed-vhub/core.c +++ b/drivers/usb/gadget/udc/aspeed-vhub/core.c @@ -36,6 +36,7 @@ void ast_vhub_done(struct ast_vhub_ep *ep, struct ast_vhub_req *req, int status) { bool internal = req->internal; + struct ast_vhub *vhub = ep->vhub; EPVDBG(ep, "completing request @%p, status %d\n", req, status); @@ -46,7 +47,7 @@ void ast_vhub_done(struct ast_vhub_ep *ep, struct ast_vhub_req *req, if (req->req.dma) { if (!WARN_ON(!ep->dev)) - usb_gadget_unmap_request(&ep->dev->gadget, + usb_gadget_unmap_request_by_dev(&vhub->pdev->dev, &req->req, ep->epn.is_in); req->req.dma = 0; } diff --git a/drivers/usb/gadget/udc/aspeed-vhub/epn.c b/drivers/usb/gadget/udc/aspeed-vhub/epn.c index 02d8bfae58fb..cb164c615e6f 100644 --- a/drivers/usb/gadget/udc/aspeed-vhub/epn.c +++ b/drivers/usb/gadget/udc/aspeed-vhub/epn.c @@ -376,7 +376,7 @@ static int ast_vhub_epn_queue(struct usb_ep* u_ep, struct usb_request *u_req, if (ep->epn.desc_mode || ((((unsigned long)u_req->buf & 7) == 0) && (ep->epn.is_in || !(u_req->length & (u_ep->maxpacket - 1))))) { - rc = usb_gadget_map_request(&ep->dev->gadget, u_req, + rc = usb_gadget_map_request_by_dev(&vhub->pdev->dev, u_req, ep->epn.is_in); if (rc) { dev_warn(&vhub->pdev->dev, diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c index 57067763b100..ce24d4f28f2a 100644 --- a/drivers/usb/gadget/udc/dummy_hcd.c +++ b/drivers/usb/gadget/udc/dummy_hcd.c @@ -1866,7 +1866,7 @@ restart: /* handle control requests */ if (ep == &dum->ep[0] && ep->setup_stage) { struct usb_ctrlrequest setup; - int value = 1; + int value; setup = *(struct usb_ctrlrequest *) urb->setup_packet; /* paranoia, in case of stale queued data */ diff --git a/drivers/usb/gadget/udc/fotg210-udc.c b/drivers/usb/gadget/udc/fotg210-udc.c index d6ca50f01985..fdca28e72a3b 100644 --- a/drivers/usb/gadget/udc/fotg210-udc.c +++ b/drivers/usb/gadget/udc/fotg210-udc.c @@ -338,15 +338,16 @@ static void fotg210_start_dma(struct fotg210_ep *ep, } else { buffer = req->req.buf + req->req.actual; length = ioread32(ep->fotg210->reg + - FOTG210_FIBCR(ep->epnum - 1)); - length &= FIBCR_BCFX; + FOTG210_FIBCR(ep->epnum - 1)) & FIBCR_BCFX; + if (length > req->req.length - req->req.actual) + length = req->req.length - req->req.actual; } } else { buffer = req->req.buf + req->req.actual; if (req->req.length - req->req.actual > ep->ep.maxpacket) length = ep->ep.maxpacket; else - length = req->req.length; + length = req->req.length - req->req.actual; } d = dma_map_single(dev, buffer, length, @@ -379,8 +380,7 @@ static void fotg210_ep0_queue(struct fotg210_ep *ep, } if (ep->dir_in) { /* if IN */ fotg210_start_dma(ep, req); - if ((req->req.length == req->req.actual) || - (req->req.actual < ep->ep.maxpacket)) + if (req->req.length == req->req.actual) fotg210_done(ep, req, 0); } else { /* OUT */ u32 value = ioread32(ep->fotg210->reg + FOTG210_DMISGR0); @@ -820,7 +820,7 @@ static void fotg210_ep0in(struct fotg210_udc *fotg210) if (req->req.length) fotg210_start_dma(ep, req); - if ((req->req.length - req->req.actual) < ep->ep.maxpacket) + if (req->req.actual == req->req.length) fotg210_done(ep, req, 0); } else { fotg210_set_cxdone(fotg210); @@ -849,12 +849,16 @@ static void fotg210_out_fifo_handler(struct fotg210_ep *ep) { struct fotg210_request *req = list_entry(ep->queue.next, struct fotg210_request, queue); + int disgr1 = ioread32(ep->fotg210->reg + FOTG210_DISGR1); fotg210_start_dma(ep, req); - /* finish out transfer */ + /* Complete the request when it's full or a short packet arrived. + * Like other drivers, short_not_ok isn't handled. + */ + if (req->req.length == req->req.actual || - req->req.actual < ep->ep.maxpacket) + (disgr1 & DISGR1_SPK_INT(ep->epnum - 1))) fotg210_done(ep, req, 0); } @@ -877,6 +881,8 @@ static irqreturn_t fotg210_irq(int irq, void *_fotg210) int_grp2 &= ~int_msk2; if (int_grp2 & DISGR2_USBRST_INT) { + usb_gadget_udc_reset(&fotg210->gadget, + fotg210->driver); value = ioread32(reg); value &= ~DISGR2_USBRST_INT; iowrite32(value, reg); @@ -1027,6 +1033,12 @@ static void fotg210_init(struct fotg210_udc *fotg210) value &= ~DMCR_GLINT_EN; iowrite32(value, fotg210->reg + FOTG210_DMCR); + /* enable only grp2 irqs we handle */ + iowrite32(~(DISGR2_DMA_ERROR | DISGR2_RX0BYTE_INT | DISGR2_TX0BYTE_INT + | DISGR2_ISO_SEQ_ABORT_INT | DISGR2_ISO_SEQ_ERR_INT + | DISGR2_RESM_INT | DISGR2_SUSP_INT | DISGR2_USBRST_INT), + fotg210->reg + FOTG210_DMISGR2); + /* disable all fifo interrupt */ iowrite32(~(u32)0, fotg210->reg + FOTG210_DMISGR1); diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c index a3c1fc924268..9bb7a9d7a2fb 100644 --- a/drivers/usb/gadget/udc/pch_udc.c +++ b/drivers/usb/gadget/udc/pch_udc.c @@ -8,11 +8,12 @@ #include <linux/pci.h> #include <linux/delay.h> #include <linux/errno.h> +#include <linux/gpio/consumer.h> +#include <linux/gpio/machine.h> #include <linux/list.h> #include <linux/interrupt.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> -#include <linux/gpio/consumer.h> #include <linux/irq.h> #define PCH_VBUS_PERIOD 3000 /* VBUS polling period (msec) */ @@ -331,6 +332,7 @@ struct pch_vbus_gpio_data { * @dma_addr: DMA pool for received * @setup_data: Received setup data * @base_addr: for mapped device memory + * @bar: PCI BAR used for mapped device memory * @cfg_data: current cfg, intf, and alt in use * @vbus_gpio: GPIO informaton for detecting VBUS */ @@ -353,6 +355,7 @@ struct pch_udc_dev { dma_addr_t dma_addr; struct usb_ctrlrequest setup_data; void __iomem *base_addr; + unsigned short bar; struct pch_udc_cfg_data cfg_data; struct pch_vbus_gpio_data vbus_gpio; }; @@ -381,11 +384,8 @@ MODULE_PARM_DESC(speed_fs, "true for Full speed operation"); * @td_data_last: last dma desc. of chain * @queue: associated queue * @dma_going: DMA in progress for request - * @dma_mapped: DMA memory mapped for request * @dma_done: DMA completed for request * @chain_len: chain length - * @buf: Buffer memory for align adjustment - * @dma: DMA memory for align adjustment */ struct pch_udc_request { struct usb_request req; @@ -394,11 +394,8 @@ struct pch_udc_request { struct pch_udc_data_dma_desc *td_data_last; struct list_head queue; unsigned dma_going:1, - dma_mapped:1, dma_done:1; unsigned chain_len; - void *buf; - dma_addr_t dma; }; static inline u32 pch_udc_readl(struct pch_udc_dev *dev, unsigned long reg) @@ -563,12 +560,13 @@ static void pch_udc_clear_disconnect(struct pch_udc_dev *dev) pch_udc_bit_clr(dev, UDC_DEVCTL_ADDR, UDC_DEVCTL_RES); } +static void pch_udc_init(struct pch_udc_dev *dev); + /** * pch_udc_reconnect() - This API initializes usb device controller, * and clear the disconnect status. * @dev: Reference to pch_udc_regs structure */ -static void pch_udc_init(struct pch_udc_dev *dev); static void pch_udc_reconnect(struct pch_udc_dev *dev) { pch_udc_init(dev); @@ -596,18 +594,22 @@ static void pch_udc_reconnect(struct pch_udc_dev *dev) static inline void pch_udc_vbus_session(struct pch_udc_dev *dev, int is_active) { + unsigned long iflags; + + spin_lock_irqsave(&dev->lock, iflags); if (is_active) { pch_udc_reconnect(dev); dev->vbus_session = 1; } else { if (dev->driver && dev->driver->disconnect) { - spin_lock(&dev->lock); + spin_unlock_irqrestore(&dev->lock, iflags); dev->driver->disconnect(&dev->gadget); - spin_unlock(&dev->lock); + spin_lock_irqsave(&dev->lock, iflags); } pch_udc_set_disconnect(dev); dev->vbus_session = 0; } + spin_unlock_irqrestore(&dev->lock, iflags); } /** @@ -1166,20 +1168,25 @@ static int pch_udc_pcd_selfpowered(struct usb_gadget *gadget, int value) static int pch_udc_pcd_pullup(struct usb_gadget *gadget, int is_on) { struct pch_udc_dev *dev; + unsigned long iflags; if (!gadget) return -EINVAL; + dev = container_of(gadget, struct pch_udc_dev, gadget); + + spin_lock_irqsave(&dev->lock, iflags); if (is_on) { pch_udc_reconnect(dev); } else { if (dev->driver && dev->driver->disconnect) { - spin_lock(&dev->lock); + spin_unlock_irqrestore(&dev->lock, iflags); dev->driver->disconnect(&dev->gadget); - spin_unlock(&dev->lock); + spin_lock_irqsave(&dev->lock, iflags); } pch_udc_set_disconnect(dev); } + spin_unlock_irqrestore(&dev->lock, iflags); return 0; } @@ -1360,6 +1367,7 @@ static irqreturn_t pch_vbus_gpio_irq(int irq, void *data) */ static int pch_vbus_gpio_init(struct pch_udc_dev *dev) { + struct device *d = &dev->pdev->dev; int err; int irq_num = 0; struct gpio_desc *gpiod; @@ -1368,7 +1376,7 @@ static int pch_vbus_gpio_init(struct pch_udc_dev *dev) dev->vbus_gpio.intr = 0; /* Retrieve the GPIO line from the USB gadget device */ - gpiod = devm_gpiod_get(dev->gadget.dev.parent, NULL, GPIOD_IN); + gpiod = devm_gpiod_get_optional(d, NULL, GPIOD_IN); if (IS_ERR(gpiod)) return PTR_ERR(gpiod); gpiod_set_consumer_name(gpiod, "pch_vbus"); @@ -1428,33 +1436,7 @@ static void complete_req(struct pch_udc_ep *ep, struct pch_udc_request *req, status = req->req.status; dev = ep->dev; - if (req->dma_mapped) { - if (req->dma == DMA_ADDR_INVALID) { - if (ep->in) - dma_unmap_single(&dev->pdev->dev, req->req.dma, - req->req.length, - DMA_TO_DEVICE); - else - dma_unmap_single(&dev->pdev->dev, req->req.dma, - req->req.length, - DMA_FROM_DEVICE); - req->req.dma = DMA_ADDR_INVALID; - } else { - if (ep->in) - dma_unmap_single(&dev->pdev->dev, req->dma, - req->req.length, - DMA_TO_DEVICE); - else { - dma_unmap_single(&dev->pdev->dev, req->dma, - req->req.length, - DMA_FROM_DEVICE); - memcpy(req->req.buf, req->buf, req->req.length); - } - kfree(req->buf); - req->dma = DMA_ADDR_INVALID; - } - req->dma_mapped = 0; - } + usb_gadget_unmap_request(&dev->gadget, &req->req, ep->in); ep->halted = 1; spin_unlock(&dev->lock); if (!ep->in) @@ -1532,12 +1514,9 @@ static int pch_udc_create_dma_chain(struct pch_udc_ep *ep, if (req->chain_len > 1) pch_udc_free_dma_chain(ep->dev, req); - if (req->dma == DMA_ADDR_INVALID) - td->dataptr = req->req.dma; - else - td->dataptr = req->dma; - + td->dataptr = req->req.dma; td->status = PCH_UDC_BS_HST_BSY; + for (; ; bytes -= buf_len, ++len) { td->status = PCH_UDC_BS_HST_BSY | min(buf_len, bytes); if (bytes <= buf_len) @@ -1743,7 +1722,6 @@ static struct usb_request *pch_udc_alloc_request(struct usb_ep *usbep, if (!req) return NULL; req->req.dma = DMA_ADDR_INVALID; - req->dma = DMA_ADDR_INVALID; INIT_LIST_HEAD(&req->queue); if (!ep->dev->dma_addr) return &req->req; @@ -1756,7 +1734,7 @@ static struct usb_request *pch_udc_alloc_request(struct usb_ep *usbep, } /* prevent from using desc. - set HOST BUSY */ dma_desc->status |= PCH_UDC_BS_HST_BSY; - dma_desc->dataptr = cpu_to_le32(DMA_ADDR_INVALID); + dma_desc->dataptr = lower_32_bits(DMA_ADDR_INVALID); req->td_data = dma_desc; req->td_data_last = dma_desc; req->chain_len = 1; @@ -1826,39 +1804,9 @@ static int pch_udc_pcd_queue(struct usb_ep *usbep, struct usb_request *usbreq, return -ESHUTDOWN; spin_lock_irqsave(&dev->lock, iflags); /* map the buffer for dma */ - if (usbreq->length && - ((usbreq->dma == DMA_ADDR_INVALID) || !usbreq->dma)) { - if (!((unsigned long)(usbreq->buf) & 0x03)) { - if (ep->in) - usbreq->dma = dma_map_single(&dev->pdev->dev, - usbreq->buf, - usbreq->length, - DMA_TO_DEVICE); - else - usbreq->dma = dma_map_single(&dev->pdev->dev, - usbreq->buf, - usbreq->length, - DMA_FROM_DEVICE); - } else { - req->buf = kzalloc(usbreq->length, GFP_ATOMIC); - if (!req->buf) { - retval = -ENOMEM; - goto probe_end; - } - if (ep->in) { - memcpy(req->buf, usbreq->buf, usbreq->length); - req->dma = dma_map_single(&dev->pdev->dev, - req->buf, - usbreq->length, - DMA_TO_DEVICE); - } else - req->dma = dma_map_single(&dev->pdev->dev, - req->buf, - usbreq->length, - DMA_FROM_DEVICE); - } - req->dma_mapped = 1; - } + retval = usb_gadget_map_request(&dev->gadget, usbreq, ep->in); + if (retval) + goto probe_end; if (usbreq->length > 0) { retval = prepare_dma(ep, req, GFP_ATOMIC); if (retval) @@ -2298,6 +2246,21 @@ static void pch_udc_svc_data_out(struct pch_udc_dev *dev, int ep_num) pch_udc_set_dma(dev, DMA_DIR_RX); } +static int pch_udc_gadget_setup(struct pch_udc_dev *dev) + __must_hold(&dev->lock) +{ + int rc; + + /* In some cases we can get an interrupt before driver gets setup */ + if (!dev->driver) + return -ESHUTDOWN; + + spin_unlock(&dev->lock); + rc = dev->driver->setup(&dev->gadget, &dev->setup_data); + spin_lock(&dev->lock); + return rc; +} + /** * pch_udc_svc_control_in() - Handle Control IN endpoint interrupts * @dev: Reference to the device structure @@ -2369,15 +2332,12 @@ static void pch_udc_svc_control_out(struct pch_udc_dev *dev) dev->gadget.ep0 = &dev->ep[UDC_EP0IN_IDX].ep; else /* OUT */ dev->gadget.ep0 = &ep->ep; - spin_lock(&dev->lock); /* If Mass storage Reset */ if ((dev->setup_data.bRequestType == 0x21) && (dev->setup_data.bRequest == 0xFF)) dev->prot_stall = 0; /* call gadget with setup data received */ - setup_supported = dev->driver->setup(&dev->gadget, - &dev->setup_data); - spin_unlock(&dev->lock); + setup_supported = pch_udc_gadget_setup(dev); if (dev->setup_data.bRequestType & USB_DIR_IN) { ep->td_data->status = (ep->td_data->status & @@ -2625,9 +2585,7 @@ static void pch_udc_svc_intf_interrupt(struct pch_udc_dev *dev) dev->ep[i].halted = 0; } dev->stall = 0; - spin_unlock(&dev->lock); - dev->driver->setup(&dev->gadget, &dev->setup_data); - spin_lock(&dev->lock); + pch_udc_gadget_setup(dev); } /** @@ -2662,9 +2620,7 @@ static void pch_udc_svc_cfg_interrupt(struct pch_udc_dev *dev) dev->stall = 0; /* call gadget zero with setup data received */ - spin_unlock(&dev->lock); - dev->driver->setup(&dev->gadget, &dev->setup_data); - spin_lock(&dev->lock); + pch_udc_gadget_setup(dev); } /** @@ -2870,14 +2826,20 @@ static void pch_udc_pcd_reinit(struct pch_udc_dev *dev) * @dev: Reference to the driver structure * * Return codes: - * 0: Success + * 0: Success + * -ERRNO: All kind of errors when retrieving VBUS GPIO */ static int pch_udc_pcd_init(struct pch_udc_dev *dev) { + int ret; + pch_udc_init(dev); pch_udc_pcd_reinit(dev); - pch_vbus_gpio_init(dev); - return 0; + + ret = pch_vbus_gpio_init(dev); + if (ret) + pch_udc_exit(dev); + return ret; } /** @@ -2938,7 +2900,7 @@ static int init_dma_pools(struct pch_udc_dev *dev) dev->dma_addr = dma_map_single(&dev->pdev->dev, ep0out_buf, UDC_EP0OUT_BUFF_SIZE * 4, DMA_FROM_DEVICE); - return 0; + return dma_mapping_error(&dev->pdev->dev, dev->dma_addr); } static int pch_udc_start(struct usb_gadget *g, @@ -2976,6 +2938,38 @@ static int pch_udc_stop(struct usb_gadget *g) return 0; } +static void pch_vbus_gpio_remove_table(void *table) +{ + gpiod_remove_lookup_table(table); +} + +static int pch_vbus_gpio_add_table(struct device *d, void *table) +{ + gpiod_add_lookup_table(table); + return devm_add_action_or_reset(d, pch_vbus_gpio_remove_table, table); +} + +static struct gpiod_lookup_table pch_udc_minnow_vbus_gpio_table = { + .dev_id = "0000:02:02.4", + .table = { + GPIO_LOOKUP("sch_gpio.33158", 12, NULL, GPIO_ACTIVE_HIGH), + {} + }, +}; + +static int pch_udc_minnow_platform_init(struct device *d) +{ + return pch_vbus_gpio_add_table(d, &pch_udc_minnow_vbus_gpio_table); +} + +static int pch_udc_quark_platform_init(struct device *d) +{ + struct pch_udc_dev *dev = dev_get_drvdata(d); + + dev->bar = PCH_UDC_PCI_BAR_QUARK_X1000; + return 0; +} + static void pch_udc_shutdown(struct pci_dev *pdev) { struct pch_udc_dev *dev = pci_get_drvdata(pdev); @@ -3024,8 +3018,7 @@ static void pch_udc_remove(struct pci_dev *pdev) pch_udc_exit(dev); } -#ifdef CONFIG_PM_SLEEP -static int pch_udc_suspend(struct device *d) +static int __maybe_unused pch_udc_suspend(struct device *d) { struct pch_udc_dev *dev = dev_get_drvdata(d); @@ -3035,21 +3028,18 @@ static int pch_udc_suspend(struct device *d) return 0; } -static int pch_udc_resume(struct device *d) +static int __maybe_unused pch_udc_resume(struct device *d) { return 0; } static SIMPLE_DEV_PM_OPS(pch_udc_pm, pch_udc_suspend, pch_udc_resume); -#define PCH_UDC_PM_OPS (&pch_udc_pm) -#else -#define PCH_UDC_PM_OPS NULL -#endif /* CONFIG_PM_SLEEP */ -static int pch_udc_probe(struct pci_dev *pdev, - const struct pci_device_id *id) +typedef int (*platform_init_fn)(struct device *); + +static int pch_udc_probe(struct pci_dev *pdev, const struct pci_device_id *id) { - int bar; + platform_init_fn platform_init = (platform_init_fn)id->driver_data; int retval; struct pch_udc_dev *dev; @@ -3063,31 +3053,28 @@ static int pch_udc_probe(struct pci_dev *pdev, if (retval) return retval; + dev->bar = PCH_UDC_PCI_BAR; + dev->pdev = pdev; pci_set_drvdata(pdev, dev); - /* Determine BAR based on PCI ID */ - if (id->device == PCI_DEVICE_ID_INTEL_QUARK_X1000_UDC) - bar = PCH_UDC_PCI_BAR_QUARK_X1000; - else - bar = PCH_UDC_PCI_BAR; + /* Platform specific hook */ + if (platform_init) { + retval = platform_init(&pdev->dev); + if (retval) + return retval; + } /* PCI resource allocation */ - retval = pcim_iomap_regions(pdev, 1 << bar, pci_name(pdev)); + retval = pcim_iomap_regions(pdev, BIT(dev->bar), pci_name(pdev)); if (retval) return retval; - dev->base_addr = pcim_iomap_table(pdev)[bar]; - - /* - * FIXME: add a GPIO descriptor table to pdev.dev using - * gpiod_add_descriptor_table() from <linux/gpio/machine.h> based on - * the PCI subsystem ID. The system-dependent GPIO is necessary for - * VBUS operation. - */ + dev->base_addr = pcim_iomap_table(pdev)[dev->bar]; /* initialize the hardware */ - if (pch_udc_pcd_init(dev)) - return -ENODEV; + retval = pch_udc_pcd_init(dev); + if (retval) + return retval; pci_enable_msi(pdev); @@ -3104,7 +3091,6 @@ static int pch_udc_probe(struct pci_dev *pdev, /* device struct setup */ spin_lock_init(&dev->lock); - dev->pdev = pdev; dev->gadget.ops = &pch_udc_ops; retval = init_dma_pools(dev); @@ -3128,10 +3114,17 @@ finished: static const struct pci_device_id pch_udc_pcidev_id[] = { { - PCI_DEVICE(PCI_VENDOR_ID_INTEL, - PCI_DEVICE_ID_INTEL_QUARK_X1000_UDC), + PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_QUARK_X1000_UDC), + .class = PCI_CLASS_SERIAL_USB_DEVICE, + .class_mask = 0xffffffff, + .driver_data = (kernel_ulong_t)&pch_udc_quark_platform_init, + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EG20T_UDC, + PCI_VENDOR_ID_CIRCUITCO, PCI_SUBSYSTEM_ID_CIRCUITCO_MINNOWBOARD), .class = PCI_CLASS_SERIAL_USB_DEVICE, .class_mask = 0xffffffff, + .driver_data = (kernel_ulong_t)&pch_udc_minnow_platform_init, }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EG20T_UDC), @@ -3160,7 +3153,7 @@ static struct pci_driver pch_udc_driver = { .remove = pch_udc_remove, .shutdown = pch_udc_shutdown, .driver = { - .pm = PCH_UDC_PM_OPS, + .pm = &pch_udc_pm, }, }; diff --git a/drivers/usb/gadget/udc/s3c2410_udc.c b/drivers/usb/gadget/udc/s3c2410_udc.c index 1d3ebb07ccd4..b154b62abefa 100644 --- a/drivers/usb/gadget/udc/s3c2410_udc.c +++ b/drivers/usb/gadget/udc/s3c2410_udc.c @@ -54,8 +54,6 @@ static struct clk *udc_clock; static struct clk *usb_bus_clock; static void __iomem *base_addr; static int irq_usbd; -static u64 rsrc_start; -static u64 rsrc_len; static struct dentry *s3c2410_udc_debugfs_root; static inline u32 udc_read(u32 reg) @@ -1752,7 +1750,8 @@ static int s3c2410_udc_probe(struct platform_device *pdev) udc_clock = clk_get(NULL, "usb-device"); if (IS_ERR(udc_clock)) { dev_err(dev, "failed to get udc clock source\n"); - return PTR_ERR(udc_clock); + retval = PTR_ERR(udc_clock); + goto err_usb_bus_clk; } clk_prepare_enable(udc_clock); @@ -1775,7 +1774,7 @@ static int s3c2410_udc_probe(struct platform_device *pdev) base_addr = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(base_addr)) { retval = PTR_ERR(base_addr); - goto err_mem; + goto err_udc_clk; } the_controller = udc; @@ -1793,7 +1792,7 @@ static int s3c2410_udc_probe(struct platform_device *pdev) if (retval != 0) { dev_err(dev, "cannot get irq %i, err %d\n", irq_usbd, retval); retval = -EBUSY; - goto err_map; + goto err_udc_clk; } dev_dbg(dev, "got irq %i\n", irq_usbd); @@ -1864,10 +1863,14 @@ err_gpio_claim: gpio_free(udc_info->vbus_pin); err_int: free_irq(irq_usbd, udc); -err_map: - iounmap(base_addr); -err_mem: - release_mem_region(rsrc_start, rsrc_len); +err_udc_clk: + clk_disable_unprepare(udc_clock); + clk_put(udc_clock); + udc_clock = NULL; +err_usb_bus_clk: + clk_disable_unprepare(usb_bus_clock); + clk_put(usb_bus_clock); + usb_bus_clock = NULL; return retval; } @@ -1899,9 +1902,6 @@ static int s3c2410_udc_remove(struct platform_device *pdev) free_irq(irq_usbd, udc); - iounmap(base_addr); - release_mem_region(rsrc_start, rsrc_len); - if (!IS_ERR(udc_clock) && udc_clock != NULL) { clk_disable_unprepare(udc_clock); clk_put(udc_clock); diff --git a/drivers/usb/gadget/udc/snps_udc_plat.c b/drivers/usb/gadget/udc/snps_udc_plat.c index 32f1d3e90c26..99805d60a7ab 100644 --- a/drivers/usb/gadget/udc/snps_udc_plat.c +++ b/drivers/usb/gadget/udc/snps_udc_plat.c @@ -114,8 +114,8 @@ static int udc_plat_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); udc->virt_addr = devm_ioremap_resource(dev, res); - if (IS_ERR(udc->regs)) - return PTR_ERR(udc->regs); + if (IS_ERR(udc->virt_addr)) + return PTR_ERR(udc->virt_addr); /* udc csr registers base */ udc->csr = udc->virt_addr + UDC_CSR_ADDR; diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index b94f2a070c05..df9428f1dc5e 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -272,6 +272,7 @@ config USB_EHCI_TEGRA select USB_CHIPIDEA select USB_CHIPIDEA_HOST select USB_CHIPIDEA_TEGRA + select USB_GADGET help This option is deprecated now and the driver was removed, use USB_CHIPIDEA_TEGRA instead. diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 3e4d298d851f..171de4df50bd 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -19,9 +19,7 @@ ifneq ($(CONFIG_USB_XHCI_DBGCAP), ) xhci-hcd-y += xhci-dbgcap.o xhci-dbgtty.o endif -ifneq ($(CONFIG_USB_XHCI_MTK), ) - xhci-hcd-y += xhci-mtk-sch.o -endif +xhci-mtk-hcd-y := xhci-mtk.o xhci-mtk-sch.o xhci-plat-hcd-y := xhci-plat.o ifneq ($(CONFIG_USB_XHCI_MVEBU), ) @@ -73,7 +71,7 @@ obj-$(CONFIG_USB_XHCI_PCI) += xhci-pci.o obj-$(CONFIG_USB_XHCI_PCI_RENESAS) += xhci-pci-renesas.o obj-$(CONFIG_USB_XHCI_PLATFORM) += xhci-plat-hcd.o obj-$(CONFIG_USB_XHCI_HISTB) += xhci-histb.o -obj-$(CONFIG_USB_XHCI_MTK) += xhci-mtk.o +obj-$(CONFIG_USB_XHCI_MTK) += xhci-mtk-hcd.o obj-$(CONFIG_USB_XHCI_TEGRA) += xhci-tegra.o obj-$(CONFIG_USB_SL811_HCD) += sl811-hcd.o obj-$(CONFIG_USB_SL811_CS) += sl811_cs.o diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 1926b328b6aa..94b5e64ae9a2 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -651,7 +651,7 @@ static int ehci_run (struct usb_hcd *hcd) "USB %x.%x started, EHCI %x.%02x%s\n", ((ehci->sbrn & 0xf0)>>4), (ehci->sbrn & 0x0f), temp >> 8, temp & 0xff, - ignore_oc ? ", overcurrent ignored" : ""); + (ignore_oc || ehci->spurious_oc) ? ", overcurrent ignored" : ""); ehci_writel(ehci, INTR_MASK, &ehci->regs->intr_enable); /* Turn On Interrupts */ @@ -705,15 +705,8 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) struct ehci_hcd *ehci = hcd_to_ehci (hcd); u32 status, masked_status, pcd_status = 0, cmd; int bh; - unsigned long flags; - /* - * For threadirqs option we use spin_lock_irqsave() variant to prevent - * deadlock with ehci hrtimer callback, because hrtimer callbacks run - * in interrupt context even when threadirqs is specified. We can go - * back to spin_lock() variant when hrtimer callbacks become threaded. - */ - spin_lock_irqsave(&ehci->lock, flags); + spin_lock(&ehci->lock); status = ehci_readl(ehci, &ehci->regs->status); @@ -731,7 +724,7 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) /* Shared IRQ? */ if (!masked_status || unlikely(ehci->rh_state == EHCI_RH_HALTED)) { - spin_unlock_irqrestore(&ehci->lock, flags); + spin_unlock(&ehci->lock); return IRQ_NONE; } @@ -842,7 +835,7 @@ dead: if (bh) ehci_work (ehci); - spin_unlock_irqrestore(&ehci->lock, flags); + spin_unlock(&ehci->lock); if (pcd_status) usb_hcd_poll_rh_status(hcd); return IRQ_HANDLED; diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 9f9ab5ccea88..159cc27b1a36 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -643,7 +643,7 @@ ehci_hub_status_data (struct usb_hcd *hcd, char *buf) * always set, seem to clear PORT_OCC and PORT_CSC when writing to * PORT_POWER; that's surprising, but maybe within-spec. */ - if (!ignore_oc) + if (!ignore_oc && !ehci->spurious_oc) mask = PORT_CSC | PORT_PEC | PORT_OCC; else mask = PORT_CSC | PORT_PEC; @@ -1013,7 +1013,7 @@ int ehci_hub_control( if (temp & PORT_PEC) status |= USB_PORT_STAT_C_ENABLE << 16; - if ((temp & PORT_OCC) && !ignore_oc){ + if ((temp & PORT_OCC) && (!ignore_oc && !ehci->spurious_oc)){ status |= USB_PORT_STAT_C_OVERCURRENT << 16; /* diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index a48dd3fac153..c70f2d0b4aaf 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c @@ -286,6 +286,9 @@ static int ehci_platform_probe(struct platform_device *dev) if (of_property_read_bool(dev->dev.of_node, "big-endian")) ehci->big_endian_mmio = ehci->big_endian_desc = 1; + if (of_property_read_bool(dev->dev.of_node, "spurious-oc")) + ehci->spurious_oc = 1; + if (of_property_read_bool(dev->dev.of_node, "needs-reset-on-resume")) priv->reset_on_resume = true; @@ -327,6 +330,8 @@ static int ehci_platform_probe(struct platform_device *dev) hcd->has_tt = 1; if (pdata->reset_on_resume) priv->reset_on_resume = true; + if (pdata->spurious_oc) + ehci->spurious_oc = 1; #ifndef CONFIG_USB_EHCI_BIG_ENDIAN_MMIO if (ehci->big_endian_mmio) { diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index eabf22a78eae..80bb823aa9fe 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -218,6 +218,7 @@ struct ehci_hcd { /* one per controller */ unsigned frame_index_bug:1; /* MosChip (AKA NetMos) */ unsigned need_oc_pp_cycle:1; /* MPC834X port power */ unsigned imx28_write_fix:1; /* For Freescale i.MX28 */ + unsigned spurious_oc:1; /* required for usb32 quirk */ #define OHCI_CTRL_HCFS (3 << 6) diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c index 5617ef30530a..6cac642520fc 100644 --- a/drivers/usb/host/fotg210-hcd.c +++ b/drivers/usb/host/fotg210-hcd.c @@ -408,17 +408,17 @@ static void qh_lines(struct fotg210_hcd *fotg210, struct fotg210_qh *qh, temp = snprintf(next, size, "\n\t%p%c%s len=%d %08x urb %p", td, mark, ({ char *tmp; - switch ((scratch>>8)&0x03) { - case 0: + switch ((scratch>>8)&0x03) { + case 0: tmp = "out"; break; - case 1: + case 1: tmp = "in"; break; - case 2: + case 2: tmp = "setup"; break; - default: + default: tmp = "?"; break; } tmp; }), @@ -2699,7 +2699,7 @@ cleanup: * any previous qh and cancel its urbs first; endpoints are * implicitly reset then (data toggle too). * That'd mean updating how usbcore talks to HCDs. (2.7?) -*/ + */ /* Each QH holds a qtd list; a QH is used for everything except iso. diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c index 8544a2a2c1e6..8835f6bd528e 100644 --- a/drivers/usb/host/isp116x-hcd.c +++ b/drivers/usb/host/isp116x-hcd.c @@ -1200,14 +1200,13 @@ DEFINE_SHOW_ATTRIBUTE(isp116x_debug); static void create_debug_file(struct isp116x *isp116x) { - isp116x->dentry = debugfs_create_file(hcd_name, - S_IRUGO, NULL, isp116x, - &isp116x_debug_fops); + debugfs_create_file(hcd_name, S_IRUGO, usb_debug_root, isp116x, + &isp116x_debug_fops); } static void remove_debug_file(struct isp116x *isp116x) { - debugfs_remove(isp116x->dentry); + debugfs_remove(debugfs_lookup(hcd_name, usb_debug_root)); } #else diff --git a/drivers/usb/host/isp116x.h b/drivers/usb/host/isp116x.h index a5e929c10d53..84904025fe7f 100644 --- a/drivers/usb/host/isp116x.h +++ b/drivers/usb/host/isp116x.h @@ -260,7 +260,6 @@ struct isp116x { struct isp116x_platform_data *board; - struct dentry *dentry; unsigned long stat1, stat2, stat4, stat8, stat16; /* HC registers */ diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c index 2cecb36d241b..d8610ce8f2ec 100644 --- a/drivers/usb/host/isp1362-hcd.c +++ b/drivers/usb/host/isp1362-hcd.c @@ -2164,15 +2164,13 @@ DEFINE_SHOW_ATTRIBUTE(isp1362); /* expect just one isp1362_hcd per system */ static void create_debug_file(struct isp1362_hcd *isp1362_hcd) { - isp1362_hcd->debug_file = debugfs_create_file("isp1362", S_IRUGO, - usb_debug_root, - isp1362_hcd, - &isp1362_fops); + debugfs_create_file("isp1362", S_IRUGO, usb_debug_root, isp1362_hcd, + &isp1362_fops); } static void remove_debug_file(struct isp1362_hcd *isp1362_hcd) { - debugfs_remove(isp1362_hcd->debug_file); + debugfs_remove(debugfs_lookup("isp1362", usb_debug_root)); } /*-------------------------------------------------------------------------*/ diff --git a/drivers/usb/host/isp1362.h b/drivers/usb/host/isp1362.h index 208705b08d37..74ca4be24723 100644 --- a/drivers/usb/host/isp1362.h +++ b/drivers/usb/host/isp1362.h @@ -435,7 +435,6 @@ struct isp1362_hcd { struct isp1362_platform_data *board; - struct dentry *debug_file; unsigned long stat1, stat2, stat4, stat8, stat16; /* HC registers */ diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c index 115ced0d93e1..85623731a516 100644 --- a/drivers/usb/host/sl811-hcd.c +++ b/drivers/usb/host/sl811-hcd.c @@ -1287,11 +1287,10 @@ sl811h_hub_control( goto error; put_unaligned_le32(sl811->port1, buf); -#ifndef VERBOSE - if (*(u16*)(buf+2)) /* only if wPortChange is interesting */ -#endif - dev_dbg(hcd->self.controller, "GetPortStatus %08x\n", - sl811->port1); + if (__is_defined(VERBOSE) || + *(u16*)(buf+2)) /* only if wPortChange is interesting */ + dev_dbg(hcd->self.controller, "GetPortStatus %08x\n", + sl811->port1); break; case SetPortFeature: if (wIndex != 1 || wLength != 0) @@ -1496,14 +1495,13 @@ DEFINE_SHOW_ATTRIBUTE(sl811h_debug); /* expect just one sl811 per system */ static void create_debug_file(struct sl811 *sl811) { - sl811->debug_file = debugfs_create_file("sl811h", S_IRUGO, - usb_debug_root, sl811, - &sl811h_debug_fops); + debugfs_create_file("sl811h", S_IRUGO, usb_debug_root, sl811, + &sl811h_debug_fops); } static void remove_debug_file(struct sl811 *sl811) { - debugfs_remove(sl811->debug_file); + debugfs_remove(debugfs_lookup("sl811h", usb_debug_root)); } /*-------------------------------------------------------------------------*/ diff --git a/drivers/usb/host/sl811.h b/drivers/usb/host/sl811.h index 2abe51a5db44..ba8c9aa7dee8 100644 --- a/drivers/usb/host/sl811.h +++ b/drivers/usb/host/sl811.h @@ -123,7 +123,6 @@ struct sl811 { void __iomem *addr_reg; void __iomem *data_reg; struct sl811_platform_data *board; - struct dentry *debug_file; unsigned long stat_insrmv; unsigned long stat_wake; diff --git a/drivers/usb/host/sl811_cs.c b/drivers/usb/host/sl811_cs.c index 72136373ffab..16d157013018 100644 --- a/drivers/usb/host/sl811_cs.c +++ b/drivers/usb/host/sl811_cs.c @@ -94,7 +94,7 @@ static int sl811_hc_init(struct device *parent, resource_size_t base_addr, return -EBUSY; platform_dev.dev.parent = parent; - /* finish seting up the platform device */ + /* finish setting up the platform device */ resources[0].start = irq; resources[1].start = base_addr; diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c index 03bc59755123..d90b869f5f40 100644 --- a/drivers/usb/host/uhci-hcd.c +++ b/drivers/usb/host/uhci-hcd.c @@ -536,7 +536,8 @@ static void release_uhci(struct uhci_hcd *uhci) uhci->is_initialized = 0; spin_unlock_irq(&uhci->lock); - debugfs_remove(uhci->dentry); + debugfs_remove(debugfs_lookup(uhci_to_hcd(uhci)->self.bus_name, + uhci_debugfs_root)); for (i = 0; i < UHCI_NUM_SKELQH; i++) uhci_free_qh(uhci, uhci->skelqh[i]); @@ -577,7 +578,6 @@ static int uhci_start(struct usb_hcd *hcd) struct uhci_hcd *uhci = hcd_to_uhci(hcd); int retval = -EBUSY; int i; - struct dentry __maybe_unused *dentry; hcd->uses_new_polling = 1; /* Accept arbitrarily long scatter-gather lists */ @@ -590,10 +590,8 @@ static int uhci_start(struct usb_hcd *hcd) init_waitqueue_head(&uhci->waitqh); #ifdef UHCI_DEBUG_OPS - uhci->dentry = debugfs_create_file(hcd->self.bus_name, - S_IFREG|S_IRUGO|S_IWUSR, - uhci_debugfs_root, uhci, - &uhci_debug_operations); + debugfs_create_file(hcd->self.bus_name, S_IFREG|S_IRUGO|S_IWUSR, + uhci_debugfs_root, uhci, &uhci_debug_operations); #endif uhci->frame = dma_alloc_coherent(uhci_dev(uhci), @@ -702,7 +700,7 @@ err_alloc_frame_cpu: uhci->frame, uhci->frame_dma_handle); err_alloc_frame: - debugfs_remove(uhci->dentry); + debugfs_remove(debugfs_lookup(hcd->self.bus_name, uhci_debugfs_root)); return retval; } diff --git a/drivers/usb/host/uhci-hcd.h b/drivers/usb/host/uhci-hcd.h index 7f9f33c8c232..8ae5ccd26753 100644 --- a/drivers/usb/host/uhci-hcd.h +++ b/drivers/usb/host/uhci-hcd.h @@ -381,10 +381,6 @@ enum uhci_rh_state { * The full UHCI controller information: */ struct uhci_hcd { - - /* debugfs */ - struct dentry *dentry; - /* Grabbed from PCI */ unsigned long io_addr; diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 74c497fd3476..e9b18fc17617 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -11,6 +11,7 @@ #include <linux/slab.h> #include <asm/unaligned.h> +#include <linux/bitfield.h> #include "xhci.h" #include "xhci-trace.h" @@ -19,151 +20,236 @@ #define PORT_RWC_BITS (PORT_CSC | PORT_PEC | PORT_WRC | PORT_OCC | \ PORT_RC | PORT_PLC | PORT_PE) -/* USB 3 BOS descriptor and a capability descriptors, combined. - * Fields will be adjusted and added later in xhci_create_usb3_bos_desc() - */ -static u8 usb_bos_descriptor [] = { - USB_DT_BOS_SIZE, /* __u8 bLength, 5 bytes */ - USB_DT_BOS, /* __u8 bDescriptorType */ - 0x0F, 0x00, /* __le16 wTotalLength, 15 bytes */ - 0x1, /* __u8 bNumDeviceCaps */ - /* First device capability, SuperSpeed */ - USB_DT_USB_SS_CAP_SIZE, /* __u8 bLength, 10 bytes */ - USB_DT_DEVICE_CAPABILITY, /* Device Capability */ - USB_SS_CAP_TYPE, /* bDevCapabilityType, SUPERSPEED_USB */ - 0x00, /* bmAttributes, LTM off by default */ - USB_5GBPS_OPERATION, 0x00, /* wSpeedsSupported, 5Gbps only */ - 0x03, /* bFunctionalitySupport, - USB 3.0 speed only */ - 0x00, /* bU1DevExitLat, set later. */ - 0x00, 0x00, /* __le16 bU2DevExitLat, set later. */ - /* Second device capability, SuperSpeedPlus */ - 0x1c, /* bLength 28, will be adjusted later */ - USB_DT_DEVICE_CAPABILITY, /* Device Capability */ - USB_SSP_CAP_TYPE, /* bDevCapabilityType SUPERSPEED_PLUS */ - 0x00, /* bReserved 0 */ - 0x23, 0x00, 0x00, 0x00, /* bmAttributes, SSAC=3 SSIC=1 */ - 0x01, 0x00, /* wFunctionalitySupport */ - 0x00, 0x00, /* wReserved 0 */ - /* Default Sublink Speed Attributes, overwrite if custom PSI exists */ - 0x34, 0x00, 0x05, 0x00, /* 5Gbps, symmetric, rx, ID = 4 */ - 0xb4, 0x00, 0x05, 0x00, /* 5Gbps, symmetric, tx, ID = 4 */ - 0x35, 0x40, 0x0a, 0x00, /* 10Gbps, SSP, symmetric, rx, ID = 5 */ - 0xb5, 0x40, 0x0a, 0x00, /* 10Gbps, SSP, symmetric, tx, ID = 5 */ +/* Default sublink speed attribute of each lane */ +static u32 ssp_cap_default_ssa[] = { + 0x00050034, /* USB 3.0 SS Gen1x1 id:4 symmetric rx 5Gbps */ + 0x000500b4, /* USB 3.0 SS Gen1x1 id:4 symmetric tx 5Gbps */ + 0x000a4035, /* USB 3.1 SSP Gen2x1 id:5 symmetric rx 10Gbps */ + 0x000a40b5, /* USB 3.1 SSP Gen2x1 id:5 symmetric tx 10Gbps */ + 0x00054036, /* USB 3.2 SSP Gen1x2 id:6 symmetric rx 5Gbps */ + 0x000540b6, /* USB 3.2 SSP Gen1x2 id:6 symmetric tx 5Gbps */ + 0x000a4037, /* USB 3.2 SSP Gen2x2 id:7 symmetric rx 10Gbps */ + 0x000a40b7, /* USB 3.2 SSP Gen2x2 id:7 symmetric tx 10Gbps */ }; -static int xhci_create_usb3_bos_desc(struct xhci_hcd *xhci, char *buf, - u16 wLength) +static int xhci_create_usb3x_bos_desc(struct xhci_hcd *xhci, char *buf, + u16 wLength) { - struct xhci_port_cap *port_cap = NULL; - int i, ssa_count; - u32 temp; - u16 desc_size, ssp_cap_size, ssa_size = 0; - bool usb3_1 = false; - - desc_size = USB_DT_BOS_SIZE + USB_DT_USB_SS_CAP_SIZE; - ssp_cap_size = sizeof(usb_bos_descriptor) - desc_size; - - /* does xhci support USB 3.1 Enhanced SuperSpeed */ + struct usb_bos_descriptor *bos; + struct usb_ss_cap_descriptor *ss_cap; + struct usb_ssp_cap_descriptor *ssp_cap; + struct xhci_port_cap *port_cap = NULL; + u16 bcdUSB; + u32 reg; + u32 min_rate = 0; + u8 min_ssid; + u8 ssac; + u8 ssic; + int offset; + int i; + + /* BOS descriptor */ + bos = (struct usb_bos_descriptor *)buf; + bos->bLength = USB_DT_BOS_SIZE; + bos->bDescriptorType = USB_DT_BOS; + bos->wTotalLength = cpu_to_le16(USB_DT_BOS_SIZE + + USB_DT_USB_SS_CAP_SIZE); + bos->bNumDeviceCaps = 1; + + /* Create the descriptor for port with the highest revision */ for (i = 0; i < xhci->num_port_caps; i++) { - if (xhci->port_caps[i].maj_rev == 0x03 && - xhci->port_caps[i].min_rev >= 0x01) { - usb3_1 = true; + u8 major = xhci->port_caps[i].maj_rev; + u8 minor = xhci->port_caps[i].min_rev; + u16 rev = (major << 8) | minor; + + if (i == 0 || bcdUSB < rev) { + bcdUSB = rev; port_cap = &xhci->port_caps[i]; - break; } } - if (usb3_1) { - /* does xhci provide a PSI table for SSA speed attributes? */ + if (bcdUSB >= 0x0310) { if (port_cap->psi_count) { - /* two SSA entries for each unique PSI ID, RX and TX */ - ssa_count = port_cap->psi_uid_count * 2; - ssa_size = ssa_count * sizeof(u32); - ssp_cap_size -= 16; /* skip copying the default SSA */ + u8 num_sym_ssa = 0; + + for (i = 0; i < port_cap->psi_count; i++) { + if ((port_cap->psi[i] & PLT_MASK) == PLT_SYM) + num_sym_ssa++; + } + + ssac = port_cap->psi_count + num_sym_ssa - 1; + ssic = port_cap->psi_uid_count - 1; + } else { + if (bcdUSB >= 0x0320) + ssac = 7; + else + ssac = 3; + + ssic = (ssac + 1) / 2 - 1; } - desc_size += ssp_cap_size; - } - memcpy(buf, &usb_bos_descriptor, min(desc_size, wLength)); - if (usb3_1) { - /* modify bos descriptor bNumDeviceCaps and wTotalLength */ - buf[4] += 1; - put_unaligned_le16(desc_size + ssa_size, &buf[2]); + bos->bNumDeviceCaps++; + bos->wTotalLength = cpu_to_le16(USB_DT_BOS_SIZE + + USB_DT_USB_SS_CAP_SIZE + + USB_DT_USB_SSP_CAP_SIZE(ssac)); } if (wLength < USB_DT_BOS_SIZE + USB_DT_USB_SS_CAP_SIZE) return wLength; - /* Indicate whether the host has LTM support. */ - temp = readl(&xhci->cap_regs->hcc_params); - if (HCC_LTC(temp)) - buf[8] |= USB_LTM_SUPPORT; + /* SuperSpeed USB Device Capability */ + ss_cap = (struct usb_ss_cap_descriptor *)&buf[USB_DT_BOS_SIZE]; + ss_cap->bLength = USB_DT_USB_SS_CAP_SIZE; + ss_cap->bDescriptorType = USB_DT_DEVICE_CAPABILITY; + ss_cap->bDevCapabilityType = USB_SS_CAP_TYPE; + ss_cap->bmAttributes = 0; /* set later */ + ss_cap->wSpeedSupported = cpu_to_le16(USB_5GBPS_OPERATION); + ss_cap->bFunctionalitySupport = USB_LOW_SPEED_OPERATION; + ss_cap->bU1devExitLat = 0; /* set later */ + ss_cap->bU2DevExitLat = 0; /* set later */ + + reg = readl(&xhci->cap_regs->hcc_params); + if (HCC_LTC(reg)) + ss_cap->bmAttributes |= USB_LTM_SUPPORT; - /* Set the U1 and U2 exit latencies. */ if ((xhci->quirks & XHCI_LPM_SUPPORT)) { - temp = readl(&xhci->cap_regs->hcs_params3); - buf[12] = HCS_U1_LATENCY(temp); - put_unaligned_le16(HCS_U2_LATENCY(temp), &buf[13]); + reg = readl(&xhci->cap_regs->hcs_params3); + ss_cap->bU1devExitLat = HCS_U1_LATENCY(reg); + ss_cap->bU2DevExitLat = cpu_to_le16(HCS_U2_LATENCY(reg)); } - /* If PSI table exists, add the custom speed attributes from it */ - if (usb3_1 && port_cap->psi_count) { - u32 ssp_cap_base, bm_attrib, psi, psi_mant, psi_exp; - int offset; + if (wLength < le16_to_cpu(bos->wTotalLength)) + return wLength; - ssp_cap_base = USB_DT_BOS_SIZE + USB_DT_USB_SS_CAP_SIZE; + if (bcdUSB < 0x0310) + return le16_to_cpu(bos->wTotalLength); + + ssp_cap = (struct usb_ssp_cap_descriptor *)&buf[USB_DT_BOS_SIZE + + USB_DT_USB_SS_CAP_SIZE]; + ssp_cap->bLength = USB_DT_USB_SSP_CAP_SIZE(ssac); + ssp_cap->bDescriptorType = USB_DT_DEVICE_CAPABILITY; + ssp_cap->bDevCapabilityType = USB_SSP_CAP_TYPE; + ssp_cap->bReserved = 0; + ssp_cap->wReserved = 0; + ssp_cap->bmAttributes = + cpu_to_le32(FIELD_PREP(USB_SSP_SUBLINK_SPEED_ATTRIBS, ssac) | + FIELD_PREP(USB_SSP_SUBLINK_SPEED_IDS, ssic)); + + if (!port_cap->psi_count) { + for (i = 0; i < ssac + 1; i++) + ssp_cap->bmSublinkSpeedAttr[i] = + cpu_to_le32(ssp_cap_default_ssa[i]); + + min_ssid = 4; + goto out; + } - if (wLength < desc_size) - return wLength; - buf[ssp_cap_base] = ssp_cap_size + ssa_size; + offset = 0; + for (i = 0; i < port_cap->psi_count; i++) { + u32 psi; + u32 attr; + u8 ssid; + u8 lp; + u8 lse; + u8 psie; + u16 lane_mantissa; + u16 psim; + u16 plt; + + psi = port_cap->psi[i]; + ssid = XHCI_EXT_PORT_PSIV(psi); + lp = XHCI_EXT_PORT_LP(psi); + psie = XHCI_EXT_PORT_PSIE(psi); + psim = XHCI_EXT_PORT_PSIM(psi); + plt = psi & PLT_MASK; + + lse = psie; + lane_mantissa = psim; + + /* Shift to Gbps and set SSP Link Protocol if 10Gpbs */ + for (; psie < USB_SSP_SUBLINK_SPEED_LSE_GBPS; psie++) + psim /= 1000; + + if (!min_rate || psim < min_rate) { + min_ssid = ssid; + min_rate = psim; + } - /* attribute count SSAC bits 4:0 and ID count SSIC bits 8:5 */ - bm_attrib = (ssa_count - 1) & 0x1f; - bm_attrib |= (port_cap->psi_uid_count - 1) << 5; - put_unaligned_le32(bm_attrib, &buf[ssp_cap_base + 4]); + /* Some host controllers don't set the link protocol for SSP */ + if (psim >= 10) + lp = USB_SSP_SUBLINK_SPEED_LP_SSP; - if (wLength < desc_size + ssa_size) - return wLength; /* - * Create the Sublink Speed Attributes (SSA) array. - * The xhci PSI field and USB 3.1 SSA fields are very similar, - * but link type bits 7:6 differ for values 01b and 10b. - * xhci has also only one PSI entry for a symmetric link when - * USB 3.1 requires two SSA entries (RX and TX) for every link + * PSIM and PSIE represent the total speed of PSI. The BOS + * descriptor SSP sublink speed attribute lane mantissa + * describes the lane speed. E.g. PSIM and PSIE for gen2x2 + * is 20Gbps, but the BOS descriptor lane speed mantissa is + * 10Gbps. Check and modify the mantissa value to match the + * lane speed. */ - offset = desc_size; - for (i = 0; i < port_cap->psi_count; i++) { - psi = port_cap->psi[i]; - psi &= ~USB_SSP_SUBLINK_SPEED_RSVD; - psi_exp = XHCI_EXT_PORT_PSIE(psi); - psi_mant = XHCI_EXT_PORT_PSIM(psi); - - /* Shift to Gbps and set SSP Link BIT(14) if 10Gpbs */ - for (; psi_exp < 3; psi_exp++) - psi_mant /= 1000; - if (psi_mant >= 10) - psi |= BIT(14); - - if ((psi & PLT_MASK) == PLT_SYM) { - /* Symmetric, create SSA RX and TX from one PSI entry */ - put_unaligned_le32(psi, &buf[offset]); - psi |= 1 << 7; /* turn entry to TX */ - offset += 4; - if (offset >= desc_size + ssa_size) - return desc_size + ssa_size; - } else if ((psi & PLT_MASK) == PLT_ASYM_RX) { - /* Asymetric RX, flip bits 7:6 for SSA */ - psi ^= PLT_MASK; + if (bcdUSB == 0x0320 && plt == PLT_SYM) { + /* + * The PSI dword for gen1x2 and gen2x1 share the same + * values. But the lane speed for gen1x2 is 5Gbps while + * gen2x1 is 10Gbps. If the previous PSI dword SSID is + * 5 and the PSIE and PSIM match with SSID 6, let's + * assume that the controller follows the default speed + * id with SSID 6 for gen1x2. + */ + if (ssid == 6 && psie == 3 && psim == 10 && i) { + u32 prev = port_cap->psi[i - 1]; + + if ((prev & PLT_MASK) == PLT_SYM && + XHCI_EXT_PORT_PSIV(prev) == 5 && + XHCI_EXT_PORT_PSIE(prev) == 3 && + XHCI_EXT_PORT_PSIM(prev) == 10) { + lse = USB_SSP_SUBLINK_SPEED_LSE_GBPS; + lane_mantissa = 5; + } + } + + if (psie == 3 && psim > 10) { + lse = USB_SSP_SUBLINK_SPEED_LSE_GBPS; + lane_mantissa = 10; } - put_unaligned_le32(psi, &buf[offset]); - offset += 4; - if (offset >= desc_size + ssa_size) - return desc_size + ssa_size; + } + + attr = (FIELD_PREP(USB_SSP_SUBLINK_SPEED_SSID, ssid) | + FIELD_PREP(USB_SSP_SUBLINK_SPEED_LP, lp) | + FIELD_PREP(USB_SSP_SUBLINK_SPEED_LSE, lse) | + FIELD_PREP(USB_SSP_SUBLINK_SPEED_LSM, lane_mantissa)); + + switch (plt) { + case PLT_SYM: + attr |= FIELD_PREP(USB_SSP_SUBLINK_SPEED_ST, + USB_SSP_SUBLINK_SPEED_ST_SYM_RX); + ssp_cap->bmSublinkSpeedAttr[offset++] = cpu_to_le32(attr); + + attr &= ~USB_SSP_SUBLINK_SPEED_ST; + attr |= FIELD_PREP(USB_SSP_SUBLINK_SPEED_ST, + USB_SSP_SUBLINK_SPEED_ST_SYM_TX); + ssp_cap->bmSublinkSpeedAttr[offset++] = cpu_to_le32(attr); + break; + case PLT_ASYM_RX: + attr |= FIELD_PREP(USB_SSP_SUBLINK_SPEED_ST, + USB_SSP_SUBLINK_SPEED_ST_ASYM_RX); + ssp_cap->bmSublinkSpeedAttr[offset++] = cpu_to_le32(attr); + break; + case PLT_ASYM_TX: + attr |= FIELD_PREP(USB_SSP_SUBLINK_SPEED_ST, + USB_SSP_SUBLINK_SPEED_ST_ASYM_TX); + ssp_cap->bmSublinkSpeedAttr[offset++] = cpu_to_le32(attr); + break; } } - /* ssa_size is 0 for other than usb 3.1 hosts */ - return desc_size + ssa_size; +out: + ssp_cap->wFunctionalitySupport = + cpu_to_le16(FIELD_PREP(USB_SSP_MIN_SUBLINK_SPEED_ATTRIBUTE_ID, + min_ssid) | + FIELD_PREP(USB_SSP_MIN_RX_LANE_COUNT, 1) | + FIELD_PREP(USB_SSP_MIN_TX_LANE_COUNT, 1)); + + return le16_to_cpu(bos->wTotalLength); } static void xhci_common_hub_descriptor(struct xhci_hcd *xhci, @@ -1137,7 +1223,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, if (hcd->speed < HCD_USB3) goto error; - retval = xhci_create_usb3_bos_desc(xhci, buf, wLength); + retval = xhci_create_usb3x_bos_desc(xhci, buf, wLength); spin_unlock_irqrestore(&xhci->lock, flags); return retval; case GetPortStatus: diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index f2c4ee7c4786..34d95c006751 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -532,7 +532,7 @@ struct xhci_ep_ctx *xhci_get_ep_ctx(struct xhci_hcd *xhci, return (struct xhci_ep_ctx *) (ctx->bytes + (ep_index * CTX_SIZE(xhci->hcc_params))); } - +EXPORT_SYMBOL_GPL(xhci_get_ep_ctx); /***************** Streams structures manipulation *************************/ @@ -2129,6 +2129,15 @@ static void xhci_add_in_port(struct xhci_hcd *xhci, unsigned int num_ports, if (major_revision == 0x03) { rhub = &xhci->usb3_rhub; + /* + * Some hosts incorrectly use sub-minor version for minor + * version (i.e. 0x02 instead of 0x20 for bcdUSB 0x320 and 0x01 + * for bcdUSB 0x310). Since there is no USB release with sub + * minor version 0x301 to 0x309, we can assume that they are + * incorrect and fix it here. + */ + if (minor_revision > 0x00 && minor_revision < 0x10) + minor_revision <<= 4; } else if (major_revision <= 0x02) { rhub = &xhci->usb2_rhub; } else { diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c index b45e5bf08997..8b90da5a6ed1 100644 --- a/drivers/usb/host/xhci-mtk-sch.c +++ b/drivers/usb/host/xhci-mtk-sch.c @@ -25,6 +25,15 @@ */ #define TT_MICROFRAMES_MAX 9 +#define DBG_BUF_EN 64 + +/* schedule error type */ +#define ESCH_SS_Y6 1001 +#define ESCH_SS_OVERLAP 1002 +#define ESCH_CS_OVERFLOW 1003 +#define ESCH_BW_OVERFLOW 1004 +#define ESCH_FIXME 1005 + /* mtk scheduler bitmasks */ #define EP_BPKTS(p) ((p) & 0x7f) #define EP_BCSCOUNT(p) (((p) & 0x7) << 8) @@ -32,13 +41,75 @@ #define EP_BOFFSET(p) ((p) & 0x3fff) #define EP_BREPEAT(p) (((p) & 0x7fff) << 16) +static char *sch_error_string(int err_num) +{ + switch (err_num) { + case ESCH_SS_Y6: + return "Can't schedule Start-Split in Y6"; + case ESCH_SS_OVERLAP: + return "Can't find a suitable Start-Split location"; + case ESCH_CS_OVERFLOW: + return "The last Complete-Split is greater than 7"; + case ESCH_BW_OVERFLOW: + return "Bandwidth exceeds the maximum limit"; + case ESCH_FIXME: + return "FIXME, to be resolved"; + default: + return "Unknown"; + } +} + static int is_fs_or_ls(enum usb_device_speed speed) { return speed == USB_SPEED_FULL || speed == USB_SPEED_LOW; } +static const char * +decode_ep(struct usb_host_endpoint *ep, enum usb_device_speed speed) +{ + static char buf[DBG_BUF_EN]; + struct usb_endpoint_descriptor *epd = &ep->desc; + unsigned int interval; + const char *unit; + + interval = usb_decode_interval(epd, speed); + if (interval % 1000) { + unit = "us"; + } else { + unit = "ms"; + interval /= 1000; + } + + snprintf(buf, DBG_BUF_EN, "%s ep%d%s %s, mpkt:%d, interval:%d/%d%s\n", + usb_speed_string(speed), usb_endpoint_num(epd), + usb_endpoint_dir_in(epd) ? "in" : "out", + usb_ep_type_string(usb_endpoint_type(epd)), + usb_endpoint_maxp(epd), epd->bInterval, interval, unit); + + return buf; +} + +static u32 get_bw_boundary(enum usb_device_speed speed) +{ + u32 boundary; + + switch (speed) { + case USB_SPEED_SUPER_PLUS: + boundary = SSP_BW_BOUNDARY; + break; + case USB_SPEED_SUPER: + boundary = SS_BW_BOUNDARY; + break; + default: + boundary = HS_BW_BOUNDARY; + break; + } + + return boundary; +} + /* -* get the index of bandwidth domains array which @ep belongs to. +* get the bandwidth domain which @ep belongs to. * * the bandwidth domain array is saved to @sch_array of struct xhci_hcd_mtk, * each HS root port is treated as a single bandwidth domain, @@ -49,9 +120,11 @@ static int is_fs_or_ls(enum usb_device_speed speed) * so the bandwidth domain array is organized as follow for simplification: * SSport0-OUT, SSport0-IN, ..., SSportX-OUT, SSportX-IN, HSport0, ..., HSportY */ -static int get_bw_index(struct xhci_hcd *xhci, struct usb_device *udev, - struct usb_host_endpoint *ep) +static struct mu3h_sch_bw_info * +get_bw_info(struct xhci_hcd_mtk *mtk, struct usb_device *udev, + struct usb_host_endpoint *ep) { + struct xhci_hcd *xhci = hcd_to_xhci(mtk->hcd); struct xhci_virt_device *virt_dev; int bw_index; @@ -67,7 +140,7 @@ static int get_bw_index(struct xhci_hcd *xhci, struct usb_device *udev, bw_index = virt_dev->real_port + xhci->usb3_rhub.num_ports - 1; } - return bw_index; + return &mtk->sch_array[bw_index]; } static u32 get_esit(struct xhci_ep_ctx *ep_ctx) @@ -85,7 +158,6 @@ static struct mu3h_sch_tt *find_tt(struct usb_device *udev) { struct usb_tt *utt = udev->tt; struct mu3h_sch_tt *tt, **tt_index, **ptt; - unsigned int port; bool allocated_index = false; if (!utt) @@ -107,10 +179,8 @@ static struct mu3h_sch_tt *find_tt(struct usb_device *udev) utt->hcpriv = tt_index; allocated_index = true; } - port = udev->ttport - 1; - ptt = &tt_index[port]; + ptt = &tt_index[udev->ttport - 1]; } else { - port = 0; ptt = (struct mu3h_sch_tt **) &utt->hcpriv; } @@ -125,8 +195,6 @@ static struct mu3h_sch_tt *find_tt(struct usb_device *udev) return ERR_PTR(-ENOMEM); } INIT_LIST_HEAD(&tt->ep_list); - tt->usb_tt = utt; - tt->tt_port = port; *ptt = tt; } @@ -200,14 +268,15 @@ static struct mu3h_sch_ep_info *create_sch_ep(struct usb_device *udev, sch_ep->sch_tt = tt; sch_ep->ep = ep; + sch_ep->speed = udev->speed; INIT_LIST_HEAD(&sch_ep->endpoint); INIT_LIST_HEAD(&sch_ep->tt_endpoint); return sch_ep; } -static void setup_sch_info(struct usb_device *udev, - struct xhci_ep_ctx *ep_ctx, struct mu3h_sch_ep_info *sch_ep) +static void setup_sch_info(struct xhci_ep_ctx *ep_ctx, + struct mu3h_sch_ep_info *sch_ep) { u32 ep_type; u32 maxpkt; @@ -234,7 +303,7 @@ static void setup_sch_info(struct usb_device *udev, sch_ep->burst_mode = 0; sch_ep->repeat = 0; - if (udev->speed == USB_SPEED_HIGH) { + if (sch_ep->speed == USB_SPEED_HIGH) { sch_ep->cs_count = 0; /* @@ -252,7 +321,7 @@ static void setup_sch_info(struct usb_device *udev, sch_ep->pkts = max_burst + 1; sch_ep->bw_cost_per_microframe = maxpkt * sch_ep->pkts; bwb_table[0] = sch_ep->bw_cost_per_microframe; - } else if (udev->speed >= USB_SPEED_SUPER) { + } else if (sch_ep->speed >= USB_SPEED_SUPER) { /* usb3_r1 spec section4.4.7 & 4.4.8 */ sch_ep->cs_count = 0; sch_ep->burst_mode = 1; @@ -272,7 +341,6 @@ static void setup_sch_info(struct usb_device *udev, } if (ep_type == ISOC_IN_EP || ep_type == ISOC_OUT_EP) { - u32 remainder; if (sch_ep->esit == 1) sch_ep->pkts = esit_pkts; @@ -288,16 +356,14 @@ static void setup_sch_info(struct usb_device *udev, sch_ep->repeat = !!(sch_ep->num_budget_microframes > 1); sch_ep->bw_cost_per_microframe = maxpkt * sch_ep->pkts; - remainder = sch_ep->bw_cost_per_microframe; - remainder *= sch_ep->num_budget_microframes; - remainder -= (maxpkt * esit_pkts); for (i = 0; i < sch_ep->num_budget_microframes - 1; i++) bwb_table[i] = sch_ep->bw_cost_per_microframe; /* last one <= bw_cost_per_microframe */ - bwb_table[i] = remainder; + bwb_table[i] = maxpkt * esit_pkts + - i * sch_ep->bw_cost_per_microframe; } - } else if (is_fs_or_ls(udev->speed)) { + } else if (is_fs_or_ls(sch_ep->speed)) { sch_ep->pkts = 1; /* at most one packet for each microframe */ /* @@ -375,21 +441,42 @@ static void update_bus_bw(struct mu3h_sch_bw_info *sch_bw, sch_ep->bw_budget_table[j]; } } - sch_ep->allocated = used; } -static int check_sch_tt(struct usb_device *udev, - struct mu3h_sch_ep_info *sch_ep, u32 offset) +static int check_fs_bus_bw(struct mu3h_sch_ep_info *sch_ep, int offset) +{ + struct mu3h_sch_tt *tt = sch_ep->sch_tt; + u32 num_esit, tmp; + int base; + int i, j; + + num_esit = XHCI_MTK_MAX_ESIT / sch_ep->esit; + for (i = 0; i < num_esit; i++) { + base = offset + i * sch_ep->esit; + + /* + * Compared with hs bus, no matter what ep type, + * the hub will always delay one uframe to send data + */ + for (j = 0; j < sch_ep->cs_count; j++) { + tmp = tt->fs_bus_bw[base + j] + sch_ep->bw_cost_per_microframe; + if (tmp > FS_PAYLOAD_MAX) + return -ESCH_BW_OVERFLOW; + } + } + + return 0; +} + +static int check_sch_tt(struct mu3h_sch_ep_info *sch_ep, u32 offset) { struct mu3h_sch_tt *tt = sch_ep->sch_tt; u32 extra_cs_count; - u32 fs_budget_start; u32 start_ss, last_ss; u32 start_cs, last_cs; int i; start_ss = offset % 8; - fs_budget_start = (start_ss + 1) % 8; if (sch_ep->ep_type == ISOC_OUT_EP) { last_ss = start_ss + sch_ep->cs_count - 1; @@ -399,11 +486,11 @@ static int check_sch_tt(struct usb_device *udev, * must never schedule Start-Split in Y6 */ if (!(start_ss == 7 || last_ss < 6)) - return -ERANGE; + return -ESCH_SS_Y6; for (i = 0; i < sch_ep->cs_count; i++) - if (test_bit(offset + i, tt->split_bit_map)) - return -ERANGE; + if (test_bit(offset + i, tt->ss_bit_map)) + return -ESCH_SS_OVERLAP; } else { u32 cs_count = DIV_ROUND_UP(sch_ep->maxpkt, FS_PAYLOAD_MAX); @@ -413,28 +500,26 @@ static int check_sch_tt(struct usb_device *udev, * must never schedule Start-Split in Y6 */ if (start_ss == 6) - return -ERANGE; + return -ESCH_SS_Y6; /* one uframe for ss + one uframe for idle */ start_cs = (start_ss + 2) % 8; last_cs = start_cs + cs_count - 1; if (last_cs > 7) - return -ERANGE; + return -ESCH_CS_OVERFLOW; if (sch_ep->ep_type == ISOC_IN_EP) extra_cs_count = (last_cs == 7) ? 1 : 2; else /* ep_type : INTR IN / INTR OUT */ - extra_cs_count = (fs_budget_start == 6) ? 1 : 2; + extra_cs_count = 1; cs_count += extra_cs_count; if (cs_count > 7) cs_count = 7; /* HW limit */ - for (i = 0; i < cs_count + 2; i++) { - if (test_bit(offset + i, tt->split_bit_map)) - return -ERANGE; - } + if (test_bit(offset, tt->ss_bit_map)) + return -ESCH_SS_OVERLAP; sch_ep->cs_count = cs_count; /* one for ss, the other for idle */ @@ -448,41 +533,85 @@ static int check_sch_tt(struct usb_device *udev, sch_ep->num_budget_microframes = sch_ep->esit; } - return 0; + return check_fs_bus_bw(sch_ep, offset); } -static void update_sch_tt(struct usb_device *udev, - struct mu3h_sch_ep_info *sch_ep) +static void update_sch_tt(struct mu3h_sch_ep_info *sch_ep, bool used) { struct mu3h_sch_tt *tt = sch_ep->sch_tt; u32 base, num_esit; + int bw_updated; + int bits; int i, j; num_esit = XHCI_MTK_MAX_ESIT / sch_ep->esit; + bits = (sch_ep->ep_type == ISOC_OUT_EP) ? sch_ep->cs_count : 1; + + if (used) + bw_updated = sch_ep->bw_cost_per_microframe; + else + bw_updated = -sch_ep->bw_cost_per_microframe; + for (i = 0; i < num_esit; i++) { base = sch_ep->offset + i * sch_ep->esit; - for (j = 0; j < sch_ep->num_budget_microframes; j++) - set_bit(base + j, tt->split_bit_map); + + for (j = 0; j < bits; j++) { + if (used) + set_bit(base + j, tt->ss_bit_map); + else + clear_bit(base + j, tt->ss_bit_map); + } + + for (j = 0; j < sch_ep->cs_count; j++) + tt->fs_bus_bw[base + j] += bw_updated; } - list_add_tail(&sch_ep->tt_endpoint, &tt->ep_list); + if (used) + list_add_tail(&sch_ep->tt_endpoint, &tt->ep_list); + else + list_del(&sch_ep->tt_endpoint); } -static int check_sch_bw(struct usb_device *udev, - struct mu3h_sch_bw_info *sch_bw, struct mu3h_sch_ep_info *sch_ep) +static int load_ep_bw(struct mu3h_sch_bw_info *sch_bw, + struct mu3h_sch_ep_info *sch_ep, bool loaded) +{ + if (sch_ep->sch_tt) + update_sch_tt(sch_ep, loaded); + + /* update bus bandwidth info */ + update_bus_bw(sch_bw, sch_ep, loaded); + sch_ep->allocated = loaded; + + return 0; +} + +static u32 get_esit_boundary(struct mu3h_sch_ep_info *sch_ep) +{ + u32 boundary = sch_ep->esit; + + if (sch_ep->sch_tt) { /* LS/FS with TT */ + /* tune for CS */ + if (sch_ep->ep_type != ISOC_OUT_EP) + boundary++; + else if (boundary > 1) /* normally esit >= 8 for FS/LS */ + boundary--; + } + + return boundary; +} + +static int check_sch_bw(struct mu3h_sch_bw_info *sch_bw, + struct mu3h_sch_ep_info *sch_ep) { u32 offset; - u32 esit; u32 min_bw; u32 min_index; u32 worst_bw; u32 bw_boundary; + u32 esit_boundary; u32 min_num_budget; u32 min_cs_count; - bool tt_offset_ok = false; - int ret; - - esit = sch_ep->esit; + int ret = 0; /* * Search through all possible schedule microframes. @@ -492,16 +621,15 @@ static int check_sch_bw(struct usb_device *udev, min_index = 0; min_cs_count = sch_ep->cs_count; min_num_budget = sch_ep->num_budget_microframes; - for (offset = 0; offset < esit; offset++) { - if (is_fs_or_ls(udev->speed)) { - ret = check_sch_tt(udev, sch_ep, offset); + esit_boundary = get_esit_boundary(sch_ep); + for (offset = 0; offset < sch_ep->esit; offset++) { + if (sch_ep->sch_tt) { + ret = check_sch_tt(sch_ep, offset); if (ret) continue; - else - tt_offset_ok = true; } - if ((offset + sch_ep->num_budget_microframes) > sch_ep->esit) + if ((offset + sch_ep->num_budget_microframes) > esit_boundary) break; worst_bw = get_max_bw(sch_bw, sch_ep, offset); @@ -515,33 +643,16 @@ static int check_sch_bw(struct usb_device *udev, break; } - if (udev->speed == USB_SPEED_SUPER_PLUS) - bw_boundary = SSP_BW_BOUNDARY; - else if (udev->speed == USB_SPEED_SUPER) - bw_boundary = SS_BW_BOUNDARY; - else - bw_boundary = HS_BW_BOUNDARY; - + bw_boundary = get_bw_boundary(sch_ep->speed); /* check bandwidth */ if (min_bw > bw_boundary) - return -ERANGE; + return ret ? ret : -ESCH_BW_OVERFLOW; sch_ep->offset = min_index; sch_ep->cs_count = min_cs_count; sch_ep->num_budget_microframes = min_num_budget; - if (is_fs_or_ls(udev->speed)) { - /* all offset for tt is not ok*/ - if (!tt_offset_ok) - return -ERANGE; - - update_sch_tt(udev, sch_ep); - } - - /* update bus bandwidth info */ - update_bus_bw(sch_bw, sch_ep, 1); - - return 0; + return load_ep_bw(sch_bw, sch_ep, true); } static void destroy_sch_ep(struct usb_device *udev, @@ -549,14 +660,12 @@ static void destroy_sch_ep(struct usb_device *udev, { /* only release ep bw check passed by check_sch_bw() */ if (sch_ep->allocated) - update_bus_bw(sch_bw, sch_ep, 0); + load_ep_bw(sch_bw, sch_ep, false); - list_del(&sch_ep->endpoint); - - if (sch_ep->sch_tt) { - list_del(&sch_ep->tt_endpoint); + if (sch_ep->sch_tt) drop_tt(udev); - } + + list_del(&sch_ep->endpoint); kfree(sch_ep); } @@ -606,44 +715,36 @@ int xhci_mtk_sch_init(struct xhci_hcd_mtk *mtk) return 0; } -EXPORT_SYMBOL_GPL(xhci_mtk_sch_init); void xhci_mtk_sch_exit(struct xhci_hcd_mtk *mtk) { kfree(mtk->sch_array); } -EXPORT_SYMBOL_GPL(xhci_mtk_sch_exit); -int xhci_mtk_add_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev, - struct usb_host_endpoint *ep) +static int add_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev, + struct usb_host_endpoint *ep) { struct xhci_hcd_mtk *mtk = hcd_to_mtk(hcd); - struct xhci_hcd *xhci; + struct xhci_hcd *xhci = hcd_to_xhci(hcd); struct xhci_ep_ctx *ep_ctx; - struct xhci_slot_ctx *slot_ctx; struct xhci_virt_device *virt_dev; struct mu3h_sch_ep_info *sch_ep; unsigned int ep_index; - xhci = hcd_to_xhci(hcd); virt_dev = xhci->devs[udev->slot_id]; ep_index = xhci_get_endpoint_index(&ep->desc); - slot_ctx = xhci_get_slot_ctx(xhci, virt_dev->in_ctx); ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->in_ctx, ep_index); - xhci_dbg(xhci, "%s() type:%d, speed:%d, mpkt:%d, dir:%d, ep:%p\n", - __func__, usb_endpoint_type(&ep->desc), udev->speed, - usb_endpoint_maxp(&ep->desc), - usb_endpoint_dir_in(&ep->desc), ep); + xhci_dbg(xhci, "%s %s\n", __func__, decode_ep(ep, udev->speed)); - if (!need_bw_sch(ep, udev->speed, slot_ctx->tt_info & TT_SLOT)) { + if (!need_bw_sch(ep, udev->speed, !!virt_dev->tt_info)) { /* * set @bpkts to 1 if it is LS or FS periodic endpoint, and its * device does not connected through an external HS hub */ if (usb_endpoint_xfer_int(&ep->desc) || usb_endpoint_xfer_isoc(&ep->desc)) - ep_ctx->reserved[0] |= cpu_to_le32(EP_BPKTS(1)); + ep_ctx->reserved[0] = cpu_to_le32(EP_BPKTS(1)); return 0; } @@ -652,41 +753,30 @@ int xhci_mtk_add_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev, if (IS_ERR_OR_NULL(sch_ep)) return -ENOMEM; - setup_sch_info(udev, ep_ctx, sch_ep); + setup_sch_info(ep_ctx, sch_ep); list_add_tail(&sch_ep->endpoint, &mtk->bw_ep_chk_list); return 0; } -EXPORT_SYMBOL_GPL(xhci_mtk_add_ep_quirk); -void xhci_mtk_drop_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev, - struct usb_host_endpoint *ep) +static void drop_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev, + struct usb_host_endpoint *ep) { struct xhci_hcd_mtk *mtk = hcd_to_mtk(hcd); - struct xhci_hcd *xhci; - struct xhci_slot_ctx *slot_ctx; + struct xhci_hcd *xhci = hcd_to_xhci(hcd); struct xhci_virt_device *virt_dev; - struct mu3h_sch_bw_info *sch_array; struct mu3h_sch_bw_info *sch_bw; struct mu3h_sch_ep_info *sch_ep, *tmp; - int bw_index; - xhci = hcd_to_xhci(hcd); virt_dev = xhci->devs[udev->slot_id]; - slot_ctx = xhci_get_slot_ctx(xhci, virt_dev->in_ctx); - sch_array = mtk->sch_array; - xhci_dbg(xhci, "%s() type:%d, speed:%d, mpks:%d, dir:%d, ep:%p\n", - __func__, usb_endpoint_type(&ep->desc), udev->speed, - usb_endpoint_maxp(&ep->desc), - usb_endpoint_dir_in(&ep->desc), ep); + xhci_dbg(xhci, "%s %s\n", __func__, decode_ep(ep, udev->speed)); - if (!need_bw_sch(ep, udev->speed, slot_ctx->tt_info & TT_SLOT)) + if (!need_bw_sch(ep, udev->speed, !!virt_dev->tt_info)) return; - bw_index = get_bw_index(xhci, udev, ep); - sch_bw = &sch_array[bw_index]; + sch_bw = get_bw_info(mtk, udev, ep); list_for_each_entry_safe(sch_ep, tmp, &sch_bw->bw_ep_list, endpoint) { if (sch_ep->ep == ep) { @@ -695,7 +785,6 @@ void xhci_mtk_drop_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev, } } } -EXPORT_SYMBOL_GPL(xhci_mtk_drop_ep_quirk); int xhci_mtk_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev) { @@ -704,17 +793,17 @@ int xhci_mtk_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev) struct xhci_virt_device *virt_dev = xhci->devs[udev->slot_id]; struct mu3h_sch_bw_info *sch_bw; struct mu3h_sch_ep_info *sch_ep, *tmp; - int bw_index, ret; + int ret; xhci_dbg(xhci, "%s() udev %s\n", __func__, dev_name(&udev->dev)); list_for_each_entry(sch_ep, &mtk->bw_ep_chk_list, endpoint) { - bw_index = get_bw_index(xhci, udev, sch_ep->ep); - sch_bw = &mtk->sch_array[bw_index]; + sch_bw = get_bw_info(mtk, udev, sch_ep->ep); - ret = check_sch_bw(udev, sch_bw, sch_ep); + ret = check_sch_bw(sch_bw, sch_ep); if (ret) { - xhci_err(xhci, "Not enough bandwidth!\n"); + xhci_err(xhci, "Not enough bandwidth! (%s)\n", + sch_error_string(-ret)); return -ENOSPC; } } @@ -724,16 +813,14 @@ int xhci_mtk_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev) struct usb_host_endpoint *ep = sch_ep->ep; unsigned int ep_index = xhci_get_endpoint_index(&ep->desc); - bw_index = get_bw_index(xhci, udev, ep); - sch_bw = &mtk->sch_array[bw_index]; - + sch_bw = get_bw_info(mtk, udev, ep); list_move_tail(&sch_ep->endpoint, &sch_bw->bw_ep_list); ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->in_ctx, ep_index); - ep_ctx->reserved[0] |= cpu_to_le32(EP_BPKTS(sch_ep->pkts) + ep_ctx->reserved[0] = cpu_to_le32(EP_BPKTS(sch_ep->pkts) | EP_BCSCOUNT(sch_ep->cs_count) | EP_BBM(sch_ep->burst_mode)); - ep_ctx->reserved[1] |= cpu_to_le32(EP_BOFFSET(sch_ep->offset) + ep_ctx->reserved[1] = cpu_to_le32(EP_BOFFSET(sch_ep->offset) | EP_BREPEAT(sch_ep->repeat)); xhci_dbg(xhci, " PKTS:%x, CSCOUNT:%x, BM:%x, OFFSET:%x, REPEAT:%x\n", @@ -743,7 +830,6 @@ int xhci_mtk_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev) return xhci_check_bandwidth(hcd, udev); } -EXPORT_SYMBOL_GPL(xhci_mtk_check_bandwidth); void xhci_mtk_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev) { @@ -751,16 +837,43 @@ void xhci_mtk_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev) struct xhci_hcd *xhci = hcd_to_xhci(hcd); struct mu3h_sch_bw_info *sch_bw; struct mu3h_sch_ep_info *sch_ep, *tmp; - int bw_index; xhci_dbg(xhci, "%s() udev %s\n", __func__, dev_name(&udev->dev)); list_for_each_entry_safe(sch_ep, tmp, &mtk->bw_ep_chk_list, endpoint) { - bw_index = get_bw_index(xhci, udev, sch_ep->ep); - sch_bw = &mtk->sch_array[bw_index]; + sch_bw = get_bw_info(mtk, udev, sch_ep->ep); destroy_sch_ep(udev, sch_bw, sch_ep); } xhci_reset_bandwidth(hcd, udev); } -EXPORT_SYMBOL_GPL(xhci_mtk_reset_bandwidth); + +int xhci_mtk_add_ep(struct usb_hcd *hcd, struct usb_device *udev, + struct usb_host_endpoint *ep) +{ + int ret; + + ret = xhci_add_endpoint(hcd, udev, ep); + if (ret) + return ret; + + if (ep->hcpriv) + ret = add_ep_quirk(hcd, udev, ep); + + return ret; +} + +int xhci_mtk_drop_ep(struct usb_hcd *hcd, struct usb_device *udev, + struct usb_host_endpoint *ep) +{ + int ret; + + ret = xhci_drop_endpoint(hcd, udev, ep); + if (ret) + return ret; + + if (ep->hcpriv) + drop_ep_quirk(hcd, udev, ep); + + return 0; +} diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c index 2f27dc0d9c6b..744639d23fa8 100644 --- a/drivers/usb/host/xhci-mtk.c +++ b/drivers/usb/host/xhci-mtk.c @@ -57,12 +57,23 @@ #define CTRL_U2_FORCE_PLL_STB BIT(28) /* usb remote wakeup registers in syscon */ + /* mt8173 etc */ #define PERI_WK_CTRL1 0x4 #define WC1_IS_C(x) (((x) & 0xf) << 26) /* cycle debounce */ #define WC1_IS_EN BIT(25) #define WC1_IS_P BIT(6) /* polarity for ip sleep */ +/* mt8183 */ +#define PERI_WK_CTRL0 0x0 +#define WC0_IS_C(x) ((u32)(((x) & 0xf) << 28)) /* cycle debounce */ +#define WC0_IS_P BIT(12) /* polarity */ +#define WC0_IS_EN BIT(6) + +/* mt8192 */ +#define WC0_SSUSB0_CDEN BIT(6) +#define WC0_IS_SPM_EN BIT(1) + /* mt2712 etc */ #define PERI_SSUSB_SPM_CTRL 0x0 #define SSC_IP_SLEEP_EN BIT(4) @@ -71,6 +82,8 @@ enum ssusb_uwk_vers { SSUSB_UWK_V1 = 1, SSUSB_UWK_V2, + SSUSB_UWK_V1_1 = 101, /* specific revision 1.01 */ + SSUSB_UWK_V1_2, /* specific revision 1.2 */ }; static int xhci_mtk_host_enable(struct xhci_hcd_mtk *mtk) @@ -300,6 +313,16 @@ static void usb_wakeup_ip_sleep_set(struct xhci_hcd_mtk *mtk, bool enable) msk = WC1_IS_EN | WC1_IS_C(0xf) | WC1_IS_P; val = enable ? (WC1_IS_EN | WC1_IS_C(0x8)) : 0; break; + case SSUSB_UWK_V1_1: + reg = mtk->uwk_reg_base + PERI_WK_CTRL0; + msk = WC0_IS_EN | WC0_IS_C(0xf) | WC0_IS_P; + val = enable ? (WC0_IS_EN | WC0_IS_C(0x8)) : 0; + break; + case SSUSB_UWK_V1_2: + reg = mtk->uwk_reg_base + PERI_WK_CTRL0; + msk = WC0_SSUSB0_CDEN | WC0_IS_SPM_EN; + val = enable ? msk : 0; + break; case SSUSB_UWK_V2: reg = mtk->uwk_reg_base + PERI_SSUSB_SPM_CTRL; msk = SSC_IP_SLEEP_EN | SSC_SPM_INT_EN; @@ -344,15 +367,6 @@ static void usb_wakeup_set(struct xhci_hcd_mtk *mtk, bool enable) usb_wakeup_ip_sleep_set(mtk, enable); } -static int xhci_mtk_setup(struct usb_hcd *hcd); -static const struct xhci_driver_overrides xhci_mtk_overrides __initconst = { - .reset = xhci_mtk_setup, - .check_bandwidth = xhci_mtk_check_bandwidth, - .reset_bandwidth = xhci_mtk_reset_bandwidth, -}; - -static struct hc_driver __read_mostly xhci_mtk_hc_driver; - static int xhci_mtk_ldos_enable(struct xhci_hcd_mtk *mtk) { int ret; @@ -397,6 +411,8 @@ static void xhci_mtk_quirks(struct device *dev, struct xhci_hcd *xhci) xhci->quirks |= XHCI_SPURIOUS_SUCCESS; if (mtk->lpm_support) xhci->quirks |= XHCI_LPM_SUPPORT; + if (mtk->u2_lpm_disable) + xhci->quirks |= XHCI_HW_LPM_DISABLE; /* * MTK xHCI 0.96: PSA is 1 by default even if doesn't support stream, @@ -431,6 +447,16 @@ static int xhci_mtk_setup(struct usb_hcd *hcd) return ret; } +static const struct xhci_driver_overrides xhci_mtk_overrides __initconst = { + .reset = xhci_mtk_setup, + .add_endpoint = xhci_mtk_add_ep, + .drop_endpoint = xhci_mtk_drop_ep, + .check_bandwidth = xhci_mtk_check_bandwidth, + .reset_bandwidth = xhci_mtk_reset_bandwidth, +}; + +static struct hc_driver __read_mostly xhci_mtk_hc_driver; + static int xhci_mtk_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -469,6 +495,7 @@ static int xhci_mtk_probe(struct platform_device *pdev) return ret; mtk->lpm_support = of_property_read_bool(node, "usb3-lpm-capable"); + mtk->u2_lpm_disable = of_property_read_bool(node, "usb2-lpm-disable"); /* optional property, ignore the error if it does not exist */ of_property_read_u32(node, "mediatek,u3p-dis-msk", &mtk->u3p_dis_msk); @@ -662,14 +689,12 @@ static const struct dev_pm_ops xhci_mtk_pm_ops = { }; #define DEV_PM_OPS IS_ENABLED(CONFIG_PM) ? &xhci_mtk_pm_ops : NULL -#ifdef CONFIG_OF static const struct of_device_id mtk_xhci_of_match[] = { { .compatible = "mediatek,mt8173-xhci"}, { .compatible = "mediatek,mtk-xhci"}, { }, }; MODULE_DEVICE_TABLE(of, mtk_xhci_of_match); -#endif static struct platform_driver mtk_xhci_driver = { .probe = xhci_mtk_probe, @@ -677,10 +702,9 @@ static struct platform_driver mtk_xhci_driver = { .driver = { .name = "xhci-mtk", .pm = DEV_PM_OPS, - .of_match_table = of_match_ptr(mtk_xhci_of_match), + .of_match_table = mtk_xhci_of_match, }, }; -MODULE_ALIAS("platform:xhci-mtk"); static int __init xhci_mtk_init(void) { diff --git a/drivers/usb/host/xhci-mtk.h b/drivers/usb/host/xhci-mtk.h index cbb09dfea62e..4ccd08e20a15 100644 --- a/drivers/usb/host/xhci-mtk.h +++ b/drivers/usb/host/xhci-mtk.h @@ -20,16 +20,14 @@ #define XHCI_MTK_MAX_ESIT 64 /** - * @split_bit_map: used to avoid split microframes overlay + * @ss_bit_map: used to avoid start split microframes overlay + * @fs_bus_bw: array to keep track of bandwidth already used for FS * @ep_list: Endpoints using this TT - * @usb_tt: usb TT related - * @tt_port: TT port number */ struct mu3h_sch_tt { - DECLARE_BITMAP(split_bit_map, XHCI_MTK_MAX_ESIT); + DECLARE_BITMAP(ss_bit_map, XHCI_MTK_MAX_ESIT); + u32 fs_bus_bw[XHCI_MTK_MAX_ESIT]; struct list_head ep_list; - struct usb_tt *usb_tt; - int tt_port; }; /** @@ -86,7 +84,8 @@ struct mu3h_sch_ep_info { struct mu3h_sch_tt *sch_tt; u32 ep_type; u32 maxpkt; - void *ep; + struct usb_host_endpoint *ep; + enum usb_device_speed speed; bool allocated; /* * mtk xHCI scheduling information put into reserved DWs @@ -150,6 +149,7 @@ struct xhci_hcd_mtk { struct phy **phys; int num_phys; bool lpm_support; + bool u2_lpm_disable; /* usb remote wakeup */ bool uwk_en; struct regmap *uwk; @@ -162,38 +162,13 @@ static inline struct xhci_hcd_mtk *hcd_to_mtk(struct usb_hcd *hcd) return dev_get_drvdata(hcd->self.controller); } -#if IS_ENABLED(CONFIG_USB_XHCI_MTK) int xhci_mtk_sch_init(struct xhci_hcd_mtk *mtk); void xhci_mtk_sch_exit(struct xhci_hcd_mtk *mtk); -int xhci_mtk_add_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev, - struct usb_host_endpoint *ep); -void xhci_mtk_drop_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev, - struct usb_host_endpoint *ep); +int xhci_mtk_add_ep(struct usb_hcd *hcd, struct usb_device *udev, + struct usb_host_endpoint *ep); +int xhci_mtk_drop_ep(struct usb_hcd *hcd, struct usb_device *udev, + struct usb_host_endpoint *ep); int xhci_mtk_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev); void xhci_mtk_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev); -#else -static inline int xhci_mtk_add_ep_quirk(struct usb_hcd *hcd, - struct usb_device *udev, struct usb_host_endpoint *ep) -{ - return 0; -} - -static inline void xhci_mtk_drop_ep_quirk(struct usb_hcd *hcd, - struct usb_device *udev, struct usb_host_endpoint *ep) -{ -} - -static inline int xhci_mtk_check_bandwidth(struct usb_hcd *hcd, - struct usb_device *udev) -{ - return 0; -} - -static inline void xhci_mtk_reset_bandwidth(struct usb_hcd *hcd, - struct usb_device *udev) -{ -} -#endif - #endif /* _XHCI_MTK_H_ */ diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index ce38076901e2..1eee60ac518f 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -57,7 +57,6 @@ #include <linux/dma-mapping.h> #include "xhci.h" #include "xhci-trace.h" -#include "xhci-mtk.h" static int queue_command(struct xhci_hcd *xhci, struct xhci_command *cmd, u32 field1, u32 field2, @@ -3015,12 +3014,11 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd) struct xhci_hcd *xhci = hcd_to_xhci(hcd); union xhci_trb *event_ring_deq; irqreturn_t ret = IRQ_NONE; - unsigned long flags; u64 temp_64; u32 status; int event_loop = 0; - spin_lock_irqsave(&xhci->lock, flags); + spin_lock(&xhci->lock); /* Check if the xHC generated the interrupt, or the irq is shared */ status = readl(&xhci->op_regs->status); if (status == ~(u32)0) { @@ -3083,7 +3081,7 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd) ret = IRQ_HANDLED; out: - spin_unlock_irqrestore(&xhci->lock, flags); + spin_unlock(&xhci->lock); return ret; } diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 1975016f46bf..5d9fc3cd07a5 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -20,7 +20,6 @@ #include "xhci.h" #include "xhci-trace.h" -#include "xhci-mtk.h" #include "xhci-debugfs.h" #include "xhci-dbgcap.h" @@ -1428,6 +1427,7 @@ unsigned int xhci_get_endpoint_index(struct usb_endpoint_descriptor *desc) (usb_endpoint_dir_in(desc) ? 1 : 0) - 1; return index; } +EXPORT_SYMBOL_GPL(xhci_get_endpoint_index); /* The reverse operation to xhci_get_endpoint_index. Calculate the USB endpoint * address from the XHCI endpoint index. @@ -1860,8 +1860,8 @@ err_giveback: * disabled, so there's no need for mutual exclusion to protect * the xhci->devs[slot_id] structure. */ -static int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev, - struct usb_host_endpoint *ep) +int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev, + struct usb_host_endpoint *ep) { struct xhci_hcd *xhci; struct xhci_container_ctx *in_ctx, *out_ctx; @@ -1921,9 +1921,6 @@ static int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev, xhci_endpoint_zero(xhci, xhci->devs[udev->slot_id], ep); - if (xhci->quirks & XHCI_MTK_HOST) - xhci_mtk_drop_ep_quirk(hcd, udev, ep); - xhci_dbg(xhci, "drop ep 0x%x, slot id %d, new drop flags = %#x, new add flags = %#x\n", (unsigned int) ep->desc.bEndpointAddress, udev->slot_id, @@ -1931,6 +1928,7 @@ static int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev, (unsigned int) new_add_flags); return 0; } +EXPORT_SYMBOL_GPL(xhci_drop_endpoint); /* Add an endpoint to a new possible bandwidth configuration for this device. * Only one call to this function is allowed per endpoint before @@ -1945,8 +1943,8 @@ static int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev, * configuration or alt setting is installed in the device, so there's no need * for mutual exclusion to protect the xhci->devs[slot_id] structure. */ -static int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev, - struct usb_host_endpoint *ep) +int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev, + struct usb_host_endpoint *ep) { struct xhci_hcd *xhci; struct xhci_container_ctx *in_ctx; @@ -2020,15 +2018,6 @@ static int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev, return -ENOMEM; } - if (xhci->quirks & XHCI_MTK_HOST) { - ret = xhci_mtk_add_ep_quirk(hcd, udev, ep); - if (ret < 0) { - xhci_ring_free(xhci, virt_dev->eps[ep_index].new_ring); - virt_dev->eps[ep_index].new_ring = NULL; - return ret; - } - } - ctrl_ctx->add_flags |= cpu_to_le32(added_ctxs); new_add_flags = le32_to_cpu(ctrl_ctx->add_flags); @@ -2053,6 +2042,7 @@ static int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev, (unsigned int) new_add_flags); return 0; } +EXPORT_SYMBOL_GPL(xhci_add_endpoint); static void xhci_zero_in_ctx(struct xhci_hcd *xhci, struct xhci_virt_device *virt_dev) { @@ -3086,6 +3076,7 @@ command_cleanup: return ret; } +EXPORT_SYMBOL_GPL(xhci_check_bandwidth); void xhci_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev) { @@ -3110,6 +3101,7 @@ void xhci_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev) } xhci_zero_in_ctx(xhci, virt_dev); } +EXPORT_SYMBOL_GPL(xhci_reset_bandwidth); static void xhci_setup_input_ctx_for_config_ep(struct xhci_hcd *xhci, struct xhci_container_ctx *in_ctx, @@ -5234,10 +5226,12 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks) hcd->self.root_hub->speed = USB_SPEED_SUPER_PLUS; hcd->self.root_hub->rx_lanes = 2; hcd->self.root_hub->tx_lanes = 2; + hcd->self.root_hub->ssp_rate = USB_SSP_GEN_2x2; break; case 1: hcd->speed = HCD_USB31; hcd->self.root_hub->speed = USB_SPEED_SUPER_PLUS; + hcd->self.root_hub->ssp_rate = USB_SSP_GEN_2x1; break; } xhci_info(xhci, "Host supports USB 3.%x %sSuperSpeed\n", @@ -5436,6 +5430,10 @@ void xhci_init_driver(struct hc_driver *drv, drv->reset = over->reset; if (over->start) drv->start = over->start; + if (over->add_endpoint) + drv->add_endpoint = over->add_endpoint; + if (over->drop_endpoint) + drv->drop_endpoint = over->drop_endpoint; if (over->check_bandwidth) drv->check_bandwidth = over->check_bandwidth; if (over->reset_bandwidth) diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index ca822ad3b65b..2595a8f057c4 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1929,6 +1929,10 @@ struct xhci_driver_overrides { size_t extra_priv_size; int (*reset)(struct usb_hcd *hcd); int (*start)(struct usb_hcd *hcd); + int (*add_endpoint)(struct usb_hcd *hcd, struct usb_device *udev, + struct usb_host_endpoint *ep); + int (*drop_endpoint)(struct usb_hcd *hcd, struct usb_device *udev, + struct usb_host_endpoint *ep); int (*check_bandwidth)(struct usb_hcd *, struct usb_device *); void (*reset_bandwidth)(struct usb_hcd *, struct usb_device *); }; @@ -2081,6 +2085,10 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks); void xhci_shutdown(struct usb_hcd *hcd); void xhci_init_driver(struct hc_driver *drv, const struct xhci_driver_overrides *over); +int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev, + struct usb_host_endpoint *ep); +int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev, + struct usb_host_endpoint *ep); int xhci_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev); void xhci_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev); int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id); diff --git a/drivers/usb/misc/ehset.c b/drivers/usb/misc/ehset.c index 2752e1f4f4d0..f87890f9cd26 100644 --- a/drivers/usb/misc/ehset.c +++ b/drivers/usb/misc/ehset.c @@ -24,68 +24,57 @@ static int ehset_probe(struct usb_interface *intf, int ret = -EINVAL; struct usb_device *dev = interface_to_usbdev(intf); struct usb_device *hub_udev = dev->parent; - struct usb_device_descriptor *buf; + struct usb_device_descriptor buf; u8 portnum = dev->portnum; u16 test_pid = le16_to_cpu(dev->descriptor.idProduct); switch (test_pid) { case TEST_SE0_NAK_PID: - ret = usb_control_msg(hub_udev, usb_sndctrlpipe(hub_udev, 0), - USB_REQ_SET_FEATURE, USB_RT_PORT, - USB_PORT_FEAT_TEST, - (USB_TEST_SE0_NAK << 8) | portnum, - NULL, 0, 1000); + ret = usb_control_msg_send(hub_udev, 0, USB_REQ_SET_FEATURE, + USB_RT_PORT, USB_PORT_FEAT_TEST, + (USB_TEST_SE0_NAK << 8) | portnum, + NULL, 0, 1000, GFP_KERNEL); break; case TEST_J_PID: - ret = usb_control_msg(hub_udev, usb_sndctrlpipe(hub_udev, 0), - USB_REQ_SET_FEATURE, USB_RT_PORT, - USB_PORT_FEAT_TEST, - (USB_TEST_J << 8) | portnum, - NULL, 0, 1000); + ret = usb_control_msg_send(hub_udev, 0, USB_REQ_SET_FEATURE, + USB_RT_PORT, USB_PORT_FEAT_TEST, + (USB_TEST_J << 8) | portnum, NULL, 0, + 1000, GFP_KERNEL); break; case TEST_K_PID: - ret = usb_control_msg(hub_udev, usb_sndctrlpipe(hub_udev, 0), - USB_REQ_SET_FEATURE, USB_RT_PORT, - USB_PORT_FEAT_TEST, - (USB_TEST_K << 8) | portnum, - NULL, 0, 1000); + ret = usb_control_msg_send(hub_udev, 0, USB_REQ_SET_FEATURE, + USB_RT_PORT, USB_PORT_FEAT_TEST, + (USB_TEST_K << 8) | portnum, NULL, 0, + 1000, GFP_KERNEL); break; case TEST_PACKET_PID: - ret = usb_control_msg(hub_udev, usb_sndctrlpipe(hub_udev, 0), - USB_REQ_SET_FEATURE, USB_RT_PORT, - USB_PORT_FEAT_TEST, - (USB_TEST_PACKET << 8) | portnum, - NULL, 0, 1000); + ret = usb_control_msg_send(hub_udev, 0, USB_REQ_SET_FEATURE, + USB_RT_PORT, USB_PORT_FEAT_TEST, + (USB_TEST_PACKET << 8) | portnum, + NULL, 0, 1000, GFP_KERNEL); break; case TEST_HS_HOST_PORT_SUSPEND_RESUME: /* Test: wait for 15secs -> suspend -> 15secs delay -> resume */ msleep(15 * 1000); - ret = usb_control_msg(hub_udev, usb_sndctrlpipe(hub_udev, 0), - USB_REQ_SET_FEATURE, USB_RT_PORT, - USB_PORT_FEAT_SUSPEND, portnum, - NULL, 0, 1000); + ret = usb_control_msg_send(hub_udev, 0, USB_REQ_SET_FEATURE, + USB_RT_PORT, USB_PORT_FEAT_SUSPEND, + portnum, NULL, 0, 1000, GFP_KERNEL); if (ret < 0) break; msleep(15 * 1000); - ret = usb_control_msg(hub_udev, usb_sndctrlpipe(hub_udev, 0), - USB_REQ_CLEAR_FEATURE, USB_RT_PORT, - USB_PORT_FEAT_SUSPEND, portnum, - NULL, 0, 1000); + ret = usb_control_msg_send(hub_udev, 0, USB_REQ_CLEAR_FEATURE, + USB_RT_PORT, USB_PORT_FEAT_SUSPEND, + portnum, NULL, 0, 1000, GFP_KERNEL); break; case TEST_SINGLE_STEP_GET_DEV_DESC: /* Test: wait for 15secs -> GetDescriptor request */ msleep(15 * 1000); - buf = kmalloc(USB_DT_DEVICE_SIZE, GFP_KERNEL); - if (!buf) - return -ENOMEM; - ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), - USB_REQ_GET_DESCRIPTOR, USB_DIR_IN, - USB_DT_DEVICE << 8, 0, - buf, USB_DT_DEVICE_SIZE, - USB_CTRL_GET_TIMEOUT); - kfree(buf); + ret = usb_control_msg_recv(dev, 0, USB_REQ_GET_DESCRIPTOR, + USB_DIR_IN, USB_DT_DEVICE << 8, 0, + &buf, USB_DT_DEVICE_SIZE, + USB_CTRL_GET_TIMEOUT, GFP_KERNEL); break; case TEST_SINGLE_STEP_SET_FEATURE: /* @@ -100,11 +89,10 @@ static int ehset_probe(struct usb_interface *intf, break; } - ret = usb_control_msg(hub_udev, usb_sndctrlpipe(hub_udev, 0), - USB_REQ_SET_FEATURE, USB_RT_PORT, - USB_PORT_FEAT_TEST, - (6 << 8) | portnum, - NULL, 0, 60 * 1000); + ret = usb_control_msg_send(hub_udev, 0, USB_REQ_SET_FEATURE, + USB_RT_PORT, USB_PORT_FEAT_TEST, + (6 << 8) | portnum, NULL, 0, + 60 * 1000, GFP_KERNEL); break; default: @@ -112,7 +100,7 @@ static int ehset_probe(struct usb_interface *intf, __func__, test_pid); } - return (ret < 0) ? ret : 0; + return ret; } static void ehset_disconnect(struct usb_interface *intf) diff --git a/drivers/usb/misc/ezusb.c b/drivers/usb/misc/ezusb.c index f058d8029761..78aaee56c2b7 100644 --- a/drivers/usb/misc/ezusb.c +++ b/drivers/usb/misc/ezusb.c @@ -31,24 +31,12 @@ static const struct ezusb_fx_type ezusb_fx1 = { static int ezusb_writememory(struct usb_device *dev, int address, unsigned char *data, int length, __u8 request) { - int result; - unsigned char *transfer_buffer; - if (!dev) return -ENODEV; - transfer_buffer = kmemdup(data, length, GFP_KERNEL); - if (!transfer_buffer) { - dev_err(&dev->dev, "%s - kmalloc(%d) failed.\n", - __func__, length); - return -ENOMEM; - } - result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), request, + return usb_control_msg_send(dev, 0, request, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - address, 0, transfer_buffer, length, 3000); - - kfree(transfer_buffer); - return result; + address, 0, data, length, 3000, GFP_KERNEL); } static int ezusb_set_reset(struct usb_device *dev, unsigned short cpucs_reg, diff --git a/drivers/usb/misc/usbsevseg.c b/drivers/usb/misc/usbsevseg.c index 551074f5b7ad..4bc816bb09bb 100644 --- a/drivers/usb/misc/usbsevseg.c +++ b/drivers/usb/misc/usbsevseg.c @@ -74,15 +74,10 @@ static void update_display_powered(struct usb_sevsegdev *mydev) if (mydev->shadow_power != 1) return; - rc = usb_control_msg(mydev->udev, - usb_sndctrlpipe(mydev->udev, 0), - 0x12, - 0x48, - (80 * 0x100) + 10, /* (power mode) */ - (0x00 * 0x100) + (mydev->powered ? 1 : 0), - NULL, - 0, - 2000); + rc = usb_control_msg_send(mydev->udev, 0, 0x12, 0x48, + (80 * 0x100) + 10, /* (power mode) */ + (0x00 * 0x100) + (mydev->powered ? 1 : 0), + NULL, 0, 2000, GFP_KERNEL); if (rc < 0) dev_dbg(&mydev->udev->dev, "power retval = %d\n", rc); @@ -99,15 +94,10 @@ static void update_display_mode(struct usb_sevsegdev *mydev) if(mydev->shadow_power != 1) return; - rc = usb_control_msg(mydev->udev, - usb_sndctrlpipe(mydev->udev, 0), - 0x12, - 0x48, - (82 * 0x100) + 10, /* (set mode) */ - (mydev->mode_msb * 0x100) + mydev->mode_lsb, - NULL, - 0, - 2000); + rc = usb_control_msg_send(mydev->udev, 0, 0x12, 0x48, + (82 * 0x100) + 10, /* (set mode) */ + (mydev->mode_msb * 0x100) + mydev->mode_lsb, + NULL, 0, 2000, GFP_NOIO); if (rc < 0) dev_dbg(&mydev->udev->dev, "mode retval = %d\n", rc); @@ -117,48 +107,32 @@ static void update_display_visual(struct usb_sevsegdev *mydev, gfp_t mf) { int rc; int i; - unsigned char *buffer; + unsigned char buffer[MAXLEN] = {0}; u8 decimals = 0; if(mydev->shadow_power != 1) return; - buffer = kzalloc(MAXLEN, mf); - if (!buffer) - return; - /* The device is right to left, where as you write left to right */ for (i = 0; i < mydev->textlength; i++) buffer[i] = mydev->text[mydev->textlength-1-i]; - rc = usb_control_msg(mydev->udev, - usb_sndctrlpipe(mydev->udev, 0), - 0x12, - 0x48, - (85 * 0x100) + 10, /* (write text) */ - (0 * 0x100) + mydev->textmode, /* mode */ - buffer, - mydev->textlength, - 2000); + rc = usb_control_msg_send(mydev->udev, 0, 0x12, 0x48, + (85 * 0x100) + 10, /* (write text) */ + (0 * 0x100) + mydev->textmode, /* mode */ + &buffer, mydev->textlength, 2000, mf); if (rc < 0) dev_dbg(&mydev->udev->dev, "write retval = %d\n", rc); - kfree(buffer); - /* The device is right to left, where as you write left to right */ for (i = 0; i < sizeof(mydev->decimals); i++) decimals |= mydev->decimals[i] << i; - rc = usb_control_msg(mydev->udev, - usb_sndctrlpipe(mydev->udev, 0), - 0x12, - 0x48, - (86 * 0x100) + 10, /* (set decimal) */ - (0 * 0x100) + decimals, /* decimals */ - NULL, - 0, - 2000); + rc = usb_control_msg_send(mydev->udev, 0, 0x12, 0x48, + (86 * 0x100) + 10, /* (set decimal) */ + (0 * 0x100) + decimals, /* decimals */ + NULL, 0, 2000, mf); if (rc < 0) dev_dbg(&mydev->udev->dev, "decimal retval = %d\n", rc); diff --git a/drivers/usb/mtu3/mtu3_host.c b/drivers/usb/mtu3/mtu3_host.c index c871b94f3e6f..0a8cd446cf1b 100644 --- a/drivers/usb/mtu3/mtu3_host.c +++ b/drivers/usb/mtu3/mtu3_host.c @@ -24,6 +24,16 @@ #define WC1_IS_EN BIT(25) #define WC1_IS_P BIT(6) /* polarity for ip sleep */ +/* mt8183 */ +#define PERI_WK_CTRL0 0x0 +#define WC0_IS_C(x) ((u32)(((x) & 0xf) << 28)) /* cycle debounce */ +#define WC0_IS_P BIT(12) /* polarity */ +#define WC0_IS_EN BIT(6) + +/* mt8192 */ +#define WC0_SSUSB0_CDEN BIT(6) +#define WC0_IS_SPM_EN BIT(1) + /* mt2712 etc */ #define PERI_SSUSB_SPM_CTRL 0x0 #define SSC_IP_SLEEP_EN BIT(4) @@ -32,6 +42,8 @@ enum ssusb_uwk_vers { SSUSB_UWK_V1 = 1, SSUSB_UWK_V2, + SSUSB_UWK_V1_1 = 101, /* specific revision 1.01 */ + SSUSB_UWK_V1_2, /* specific revision 1.02 */ }; /* @@ -48,6 +60,16 @@ static void ssusb_wakeup_ip_sleep_set(struct ssusb_mtk *ssusb, bool enable) msk = WC1_IS_EN | WC1_IS_C(0xf) | WC1_IS_P; val = enable ? (WC1_IS_EN | WC1_IS_C(0x8)) : 0; break; + case SSUSB_UWK_V1_1: + reg = ssusb->uwk_reg_base + PERI_WK_CTRL0; + msk = WC0_IS_EN | WC0_IS_C(0xf) | WC0_IS_P; + val = enable ? (WC0_IS_EN | WC0_IS_C(0x8)) : 0; + break; + case SSUSB_UWK_V1_2: + reg = ssusb->uwk_reg_base + PERI_WK_CTRL0; + msk = WC0_SSUSB0_CDEN | WC0_IS_SPM_EN; + val = enable ? msk : 0; + break; case SSUSB_UWK_V2: reg = ssusb->uwk_reg_base + PERI_SSUSB_SPM_CTRL; msk = SSC_IP_SLEEP_EN | SSC_SPM_INT_EN; @@ -109,7 +131,7 @@ int ssusb_host_enable(struct ssusb_mtk *ssusb) void __iomem *ibase = ssusb->ippc_base; int num_u3p = ssusb->u3_ports; int num_u2p = ssusb->u2_ports; - int u3_ports_disabed; + int u3_ports_disabled; u32 check_clk; u32 value; int i; @@ -118,10 +140,10 @@ int ssusb_host_enable(struct ssusb_mtk *ssusb) mtu3_clrbits(ibase, U3D_SSUSB_IP_PW_CTRL1, SSUSB_IP_HOST_PDN); /* power on and enable u3 ports except skipped ones */ - u3_ports_disabed = 0; + u3_ports_disabled = 0; for (i = 0; i < num_u3p; i++) { if ((0x1 << i) & ssusb->u3p_dis_msk) { - u3_ports_disabed++; + u3_ports_disabled++; continue; } @@ -140,7 +162,7 @@ int ssusb_host_enable(struct ssusb_mtk *ssusb) } check_clk = SSUSB_XHCI_RST_B_STS; - if (num_u3p > u3_ports_disabed) + if (num_u3p > u3_ports_disabled) check_clk = SSUSB_U3_MAC_RST_B_STS; return ssusb_check_clocks(ssusb, check_clk); diff --git a/drivers/usb/mtu3/mtu3_plat.c b/drivers/usb/mtu3/mtu3_plat.c index d44d5417438d..7786a95a874e 100644 --- a/drivers/usb/mtu3/mtu3_plat.c +++ b/drivers/usb/mtu3/mtu3_plat.c @@ -502,25 +502,20 @@ static const struct dev_pm_ops mtu3_pm_ops = { #define DEV_PM_OPS (IS_ENABLED(CONFIG_PM) ? &mtu3_pm_ops : NULL) -#ifdef CONFIG_OF - static const struct of_device_id mtu3_of_match[] = { {.compatible = "mediatek,mt8173-mtu3",}, {.compatible = "mediatek,mtu3",}, {}, }; - MODULE_DEVICE_TABLE(of, mtu3_of_match); -#endif - static struct platform_driver mtu3_driver = { .probe = mtu3_probe, .remove = mtu3_remove, .driver = { .name = MTU3_DRIVER_NAME, .pm = DEV_PM_OPS, - .of_match_table = of_match_ptr(mtu3_of_match), + .of_match_table = mtu3_of_match, }, }; module_platform_driver(mtu3_driver); diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index e6fa13701808..b5e7991dc7d9 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -160,8 +160,10 @@ static int usbhsf_pkt_handler(struct usbhs_pipe *pipe, int type) usbhs_lock(priv, flags); pkt = __usbhsf_pkt_get(pipe); - if (!pkt) + if (!pkt) { + ret = -EINVAL; goto __usbhs_pkt_handler_end; + } switch (type) { case USBHSF_PKT_PREPARE: diff --git a/drivers/usb/typec/Kconfig b/drivers/usb/typec/Kconfig index 270e81c087e9..a0418f23b4aa 100644 --- a/drivers/usb/typec/Kconfig +++ b/drivers/usb/typec/Kconfig @@ -50,6 +50,8 @@ source "drivers/usb/typec/tcpm/Kconfig" source "drivers/usb/typec/ucsi/Kconfig" +source "drivers/usb/typec/tipd/Kconfig" + config TYPEC_HD3SS3220 tristate "TI HD3SS3220 Type-C DRP Port controller driver" depends on I2C @@ -61,19 +63,6 @@ config TYPEC_HD3SS3220 If you choose to build this driver as a dynamically linked module, the module will be called hd3ss3220.ko. -config TYPEC_TPS6598X - tristate "TI TPS6598x USB Power Delivery controller driver" - depends on I2C - select POWER_SUPPLY - select REGMAP_I2C - select USB_ROLE_SWITCH - help - Say Y or M here if your system has TI TPS65982 or TPS65983 USB Power - Delivery controller. - - If you choose to build this driver as a dynamically linked module, the - module will be called tps6598x.ko. - config TYPEC_STUSB160X tristate "STMicroelectronics STUSB160x Type-C controller driver" depends on I2C diff --git a/drivers/usb/typec/Makefile b/drivers/usb/typec/Makefile index d03b48c4b864..1fb8b6668b1b 100644 --- a/drivers/usb/typec/Makefile +++ b/drivers/usb/typec/Makefile @@ -4,8 +4,8 @@ typec-y := class.o mux.o bus.o obj-$(CONFIG_TYPEC) += altmodes/ obj-$(CONFIG_TYPEC_TCPM) += tcpm/ obj-$(CONFIG_TYPEC_UCSI) += ucsi/ +obj-$(CONFIG_TYPEC_TPS6598X) += tipd/ obj-$(CONFIG_TYPEC_HD3SS3220) += hd3ss3220.o -obj-$(CONFIG_TYPEC_TPS6598X) += tps6598x.o obj-$(CONFIG_TYPEC_QCOM_PMIC) += qcom-pmic-typec.o obj-$(CONFIG_TYPEC_STUSB160X) += stusb160x.o obj-$(CONFIG_TYPEC) += mux/ diff --git a/drivers/usb/typec/stusb160x.c b/drivers/usb/typec/stusb160x.c index d21750bbbb44..6eaeba9b096e 100644 --- a/drivers/usb/typec/stusb160x.c +++ b/drivers/usb/typec/stusb160x.c @@ -682,8 +682,8 @@ static int stusb160x_probe(struct i2c_client *client) } fwnode = device_get_named_child_node(chip->dev, "connector"); - if (IS_ERR(fwnode)) - return PTR_ERR(fwnode); + if (!fwnode) + return -ENODEV; /* * When both VDD and VSYS power supplies are present, the low power diff --git a/drivers/usb/typec/tcpm/fusb302.c b/drivers/usb/typec/tcpm/fusb302.c index ebc46b9f776c..7a2a17866a82 100644 --- a/drivers/usb/typec/tcpm/fusb302.c +++ b/drivers/usb/typec/tcpm/fusb302.c @@ -213,8 +213,9 @@ static void fusb302_debugfs_init(struct fusb302_chip *chip) mutex_init(&chip->logbuffer_lock); snprintf(name, NAME_MAX, "fusb302-%s", dev_name(chip->dev)); - chip->dentry = debugfs_create_file(name, S_IFREG | 0444, usb_debug_root, - chip, &fusb302_debug_fops); + chip->dentry = debugfs_create_dir(name, usb_debug_root); + debugfs_create_file("log", S_IFREG | 0444, chip->dentry, chip, + &fusb302_debug_fops); } static void fusb302_debugfs_exit(struct fusb302_chip *chip) diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c index a27deb0b5f03..25b480752266 100644 --- a/drivers/usb/typec/tcpm/tcpci.c +++ b/drivers/usb/typec/tcpm/tcpci.c @@ -24,6 +24,11 @@ #define AUTO_DISCHARGE_PD_HEADROOM_MV 850 #define AUTO_DISCHARGE_PPS_HEADROOM_MV 1250 +#define tcpc_presenting_rd(reg, cc) \ + (!(TCPC_ROLE_CTRL_DRP & (reg)) && \ + (((reg) & (TCPC_ROLE_CTRL_## cc ##_MASK << TCPC_ROLE_CTRL_## cc ##_SHIFT)) == \ + (TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_## cc ##_SHIFT))) + struct tcpci { struct device *dev; @@ -178,19 +183,25 @@ static int tcpci_get_cc(struct tcpc_dev *tcpc, enum typec_cc_status *cc1, enum typec_cc_status *cc2) { struct tcpci *tcpci = tcpc_to_tcpci(tcpc); - unsigned int reg; + unsigned int reg, role_control; int ret; + ret = regmap_read(tcpci->regmap, TCPC_ROLE_CTRL, &role_control); + if (ret < 0) + return ret; + ret = regmap_read(tcpci->regmap, TCPC_CC_STATUS, ®); if (ret < 0) return ret; *cc1 = tcpci_to_typec_cc((reg >> TCPC_CC_STATUS_CC1_SHIFT) & TCPC_CC_STATUS_CC1_MASK, - reg & TCPC_CC_STATUS_TERM); + reg & TCPC_CC_STATUS_TERM || + tcpc_presenting_rd(role_control, CC1)); *cc2 = tcpci_to_typec_cc((reg >> TCPC_CC_STATUS_CC2_SHIFT) & TCPC_CC_STATUS_CC2_MASK, - reg & TCPC_CC_STATUS_TERM); + reg & TCPC_CC_STATUS_TERM || + tcpc_presenting_rd(role_control, CC2)); return 0; } diff --git a/drivers/usb/typec/tcpm/tcpci.h b/drivers/usb/typec/tcpm/tcpci.h index 57b6e24e0a0c..2be7a77d400e 100644 --- a/drivers/usb/typec/tcpm/tcpci.h +++ b/drivers/usb/typec/tcpm/tcpci.h @@ -47,7 +47,10 @@ #define TCPC_TCPC_CTRL 0x19 #define TCPC_TCPC_CTRL_ORIENTATION BIT(0) +#define PLUG_ORNT_CC1 0 +#define PLUG_ORNT_CC2 1 #define TCPC_TCPC_CTRL_BIST_TM BIT(1) +#define TCPC_TCPC_CTRL_EN_LK4CONN_ALRT BIT(6) #define TCPC_EXTENDED_STATUS 0x20 #define TCPC_EXTENDED_STATUS_VSAFE0V BIT(0) @@ -74,21 +77,28 @@ #define TCPC_POWER_CTRL_VCONN_ENABLE BIT(0) #define TCPC_POWER_CTRL_BLEED_DISCHARGE BIT(3) #define TCPC_POWER_CTRL_AUTO_DISCHARGE BIT(4) +#define TCPC_DIS_VOLT_ALRM BIT(5) +#define TCPC_POWER_CTRL_VBUS_VOLT_MON BIT(6) #define TCPC_FAST_ROLE_SWAP_EN BIT(7) #define TCPC_CC_STATUS 0x1d #define TCPC_CC_STATUS_TOGGLING BIT(5) #define TCPC_CC_STATUS_TERM BIT(4) +#define TCPC_CC_STATUS_TERM_RP 0 +#define TCPC_CC_STATUS_TERM_RD 1 +#define TCPC_CC_STATE_SRC_OPEN 0 #define TCPC_CC_STATUS_CC2_SHIFT 2 #define TCPC_CC_STATUS_CC2_MASK 0x3 #define TCPC_CC_STATUS_CC1_SHIFT 0 #define TCPC_CC_STATUS_CC1_MASK 0x3 #define TCPC_POWER_STATUS 0x1e +#define TCPC_POWER_STATUS_DBG_ACC_CON BIT(7) #define TCPC_POWER_STATUS_UNINIT BIT(6) #define TCPC_POWER_STATUS_SOURCING_VBUS BIT(4) #define TCPC_POWER_STATUS_VBUS_DET BIT(3) #define TCPC_POWER_STATUS_VBUS_PRES BIT(2) +#define TCPC_POWER_STATUS_SINKING_VBUS BIT(0) #define TCPC_FAULT_STATUS 0x1f @@ -121,6 +131,10 @@ #define TCPC_RX_DETECT 0x2f #define TCPC_RX_DETECT_HARD_RESET BIT(5) #define TCPC_RX_DETECT_SOP BIT(0) +#define TCPC_RX_DETECT_SOP1 BIT(1) +#define TCPC_RX_DETECT_SOP2 BIT(2) +#define TCPC_RX_DETECT_DBG1 BIT(3) +#define TCPC_RX_DETECT_DBG2 BIT(4) #define TCPC_RX_BYTE_CNT 0x30 #define TCPC_RX_BUF_FRAME_TYPE 0x31 @@ -139,6 +153,8 @@ #define TCPC_TX_DATA 0x54 /* through 0x6f */ #define TCPC_VBUS_VOLTAGE 0x70 +#define TCPC_VBUS_VOLTAGE_MASK 0x3ff +#define TCPC_VBUS_VOLTAGE_LSB_MV 25 #define TCPC_VBUS_SINK_DISCONNECT_THRESH 0x72 #define TCPC_VBUS_SINK_DISCONNECT_THRESH_LSB_MV 25 #define TCPC_VBUS_SINK_DISCONNECT_THRESH_MAX 0x3ff diff --git a/drivers/usb/typec/tcpm/tcpci_maxim.c b/drivers/usb/typec/tcpm/tcpci_maxim.c index 041a1c393594..df2505570f07 100644 --- a/drivers/usb/typec/tcpm/tcpci_maxim.c +++ b/drivers/usb/typec/tcpm/tcpci_maxim.c @@ -52,7 +52,7 @@ static const struct regmap_range max_tcpci_tcpci_range[] = { regmap_reg_range(0x00, 0x95) }; -const struct regmap_access_table max_tcpci_tcpci_write_table = { +static const struct regmap_access_table max_tcpci_tcpci_write_table = { .yes_ranges = max_tcpci_tcpci_range, .n_yes_ranges = ARRAY_SIZE(max_tcpci_tcpci_range), }; diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index ce7af398c7c1..ca1fc77697fc 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -438,6 +438,9 @@ struct tcpm_port { enum tcpm_ams next_ams; bool in_ams; + /* Auto vbus discharge status */ + bool auto_vbus_discharge_enabled; + #ifdef CONFIG_DEBUG_FS struct dentry *dentry; struct mutex logbuffer_lock; /* log buffer access lock */ @@ -507,6 +510,9 @@ static const char * const pd_rev[] = { (tcpm_port_is_sink(port) && \ ((port)->cc1 == TYPEC_CC_RP_3_0 || (port)->cc2 == TYPEC_CC_RP_3_0)) +#define tcpm_wait_for_discharge(port) \ + (((port)->auto_vbus_discharge_enabled && !(port)->vbus_vsafe0v) ? PD_T_SAFE_0V : 0) + static enum tcpm_state tcpm_default_state(struct tcpm_port *port) { if (port->port_type == TYPEC_PORT_DRP) { @@ -703,8 +709,9 @@ static void tcpm_debugfs_init(struct tcpm_port *port) mutex_init(&port->logbuffer_lock); snprintf(name, NAME_MAX, "tcpm-%s", dev_name(port->dev)); - port->dentry = debugfs_create_file(name, S_IFREG | 0444, usb_debug_root, - port, &tcpm_debug_fops); + port->dentry = debugfs_create_dir(name, usb_debug_root); + debugfs_create_file("log", S_IFREG | 0444, port->dentry, port, + &tcpm_debug_fops); } static void tcpm_debugfs_exit(struct tcpm_port *port) @@ -773,10 +780,8 @@ static enum typec_cc_status tcpm_rp_cc(struct tcpm_port *port) return TYPEC_CC_RP_DEF; } -static int tcpm_ams_finish(struct tcpm_port *port) +static void tcpm_ams_finish(struct tcpm_port *port) { - int ret = 0; - tcpm_log(port, "AMS %s finished", tcpm_ams_str[port->ams]); if (port->pd_capable && port->pwr_role == TYPEC_SOURCE) { @@ -790,8 +795,6 @@ static int tcpm_ams_finish(struct tcpm_port *port) port->in_ams = false; port->ams = NONE_AMS; - - return ret; } static int tcpm_pd_transmit(struct tcpm_port *port, @@ -3418,6 +3421,8 @@ static int tcpm_src_attach(struct tcpm_port *port) if (port->tcpc->enable_auto_vbus_discharge) { ret = port->tcpc->enable_auto_vbus_discharge(port->tcpc, true); tcpm_log_force(port, "enable vbus discharge ret:%d", ret); + if (!ret) + port->auto_vbus_discharge_enabled = true; } ret = tcpm_set_roles(port, true, TYPEC_SOURCE, tcpm_data_role_for_source(port)); @@ -3500,6 +3505,8 @@ static void tcpm_reset_port(struct tcpm_port *port) if (port->tcpc->enable_auto_vbus_discharge) { ret = port->tcpc->enable_auto_vbus_discharge(port->tcpc, false); tcpm_log_force(port, "Disable vbus discharge ret:%d", ret); + if (!ret) + port->auto_vbus_discharge_enabled = false; } port->in_ams = false; port->ams = NONE_AMS; @@ -3574,6 +3581,8 @@ static int tcpm_snk_attach(struct tcpm_port *port) tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_USB, false, VSAFE5V); ret = port->tcpc->enable_auto_vbus_discharge(port->tcpc, true); tcpm_log_force(port, "enable vbus discharge ret:%d", ret); + if (!ret) + port->auto_vbus_discharge_enabled = true; } ret = tcpm_set_roles(port, true, TYPEC_SINK, tcpm_data_role_for_sink(port)); @@ -3650,8 +3659,8 @@ static inline enum tcpm_state unattached_state(struct tcpm_port *port) static void tcpm_check_send_discover(struct tcpm_port *port) { - if (port->data_role == TYPEC_HOST && port->send_discover && - port->pd_capable) + if ((port->data_role == TYPEC_HOST || port->negotiated_rev > PD_REV20) && + port->send_discover && port->pd_capable) tcpm_send_vdm(port, USB_SID_PD, CMD_DISCOVER_IDENT, NULL, 0); port->send_discover = false; } @@ -4676,9 +4685,9 @@ static void _tcpm_cc_change(struct tcpm_port *port, enum typec_cc_status cc1, if (tcpm_port_is_disconnected(port) || !tcpm_port_is_source(port)) { if (port->port_type == TYPEC_PORT_SRC) - tcpm_set_state(port, SRC_UNATTACHED, 0); + tcpm_set_state(port, SRC_UNATTACHED, tcpm_wait_for_discharge(port)); else - tcpm_set_state(port, SNK_UNATTACHED, 0); + tcpm_set_state(port, SNK_UNATTACHED, tcpm_wait_for_discharge(port)); } break; case SNK_UNATTACHED: @@ -4709,7 +4718,23 @@ static void _tcpm_cc_change(struct tcpm_port *port, enum typec_cc_status cc1, tcpm_set_state(port, SNK_DEBOUNCED, 0); break; case SNK_READY: - if (tcpm_port_is_disconnected(port)) + /* + * EXIT condition is based primarily on vbus disconnect and CC is secondary. + * "A port that has entered into USB PD communications with the Source and + * has seen the CC voltage exceed vRd-USB may monitor the CC pin to detect + * cable disconnect in addition to monitoring VBUS. + * + * A port that is monitoring the CC voltage for disconnect (but is not in + * the process of a USB PD PR_Swap or USB PD FR_Swap) shall transition to + * Unattached.SNK within tSinkDisconnect after the CC voltage remains below + * vRd-USB for tPDDebounce." + * + * When set_auto_vbus_discharge_threshold is enabled, CC pins go + * away before vbus decays to disconnect threshold. Allow + * disconnect to be driven by vbus disconnect when auto vbus + * discharge is enabled. + */ + if (!port->auto_vbus_discharge_enabled && tcpm_port_is_disconnected(port)) tcpm_set_state(port, unattached_state(port), 0); else if (!port->pd_capable && (cc1 != old_cc1 || cc2 != old_cc2)) @@ -4808,9 +4833,13 @@ static void _tcpm_cc_change(struct tcpm_port *port, enum typec_cc_status cc1, * Ignore CC changes here. */ break; - default: - if (tcpm_port_is_disconnected(port)) + /* + * While acting as sink and auto vbus discharge is enabled, Allow disconnect + * to be driven by vbus disconnect. + */ + if (tcpm_port_is_disconnected(port) && !(port->pwr_role == TYPEC_SINK && + port->auto_vbus_discharge_enabled)) tcpm_set_state(port, unattached_state(port), 0); break; } @@ -4974,8 +5003,16 @@ static void _tcpm_pd_vbus_off(struct tcpm_port *port) case SRC_TRANSITION_SUPPLY: case SRC_READY: case SRC_WAIT_NEW_CAPABILITIES: - /* Force to unattached state to re-initiate connection */ - tcpm_set_state(port, SRC_UNATTACHED, 0); + /* + * Force to unattached state to re-initiate connection. + * DRP port should move to Unattached.SNK instead of Unattached.SRC if + * sink removed. Although sink removal here is due to source's vbus collapse, + * treat it the same way for consistency. + */ + if (port->port_type == TYPEC_PORT_SRC) + tcpm_set_state(port, SRC_UNATTACHED, tcpm_wait_for_discharge(port)); + else + tcpm_set_state(port, SNK_UNATTACHED, tcpm_wait_for_discharge(port)); break; case PORT_RESET: @@ -4994,9 +5031,8 @@ static void _tcpm_pd_vbus_off(struct tcpm_port *port) break; default: - if (port->pwr_role == TYPEC_SINK && - port->attached) - tcpm_set_state(port, SNK_UNATTACHED, 0); + if (port->pwr_role == TYPEC_SINK && port->attached) + tcpm_set_state(port, SNK_UNATTACHED, tcpm_wait_for_discharge(port)); break; } } @@ -5018,7 +5054,23 @@ static void _tcpm_pd_vbus_vsafe0v(struct tcpm_port *port) tcpm_set_state(port, tcpm_try_snk(port) ? SNK_TRY : SRC_ATTACHED, PD_T_CC_DEBOUNCE); break; + case SRC_STARTUP: + case SRC_SEND_CAPABILITIES: + case SRC_SEND_CAPABILITIES_TIMEOUT: + case SRC_NEGOTIATE_CAPABILITIES: + case SRC_TRANSITION_SUPPLY: + case SRC_READY: + case SRC_WAIT_NEW_CAPABILITIES: + if (port->auto_vbus_discharge_enabled) { + if (port->port_type == TYPEC_PORT_SRC) + tcpm_set_state(port, SRC_UNATTACHED, 0); + else + tcpm_set_state(port, SNK_UNATTACHED, 0); + } + break; default: + if (port->pwr_role == TYPEC_SINK && port->auto_vbus_discharge_enabled) + tcpm_set_state(port, SNK_UNATTACHED, 0); break; } } diff --git a/drivers/usb/typec/tipd/Kconfig b/drivers/usb/typec/tipd/Kconfig new file mode 100644 index 000000000000..b82715293072 --- /dev/null +++ b/drivers/usb/typec/tipd/Kconfig @@ -0,0 +1,12 @@ +config TYPEC_TPS6598X + tristate "TI TPS6598x USB Power Delivery controller driver" + depends on I2C + select POWER_SUPPLY + select REGMAP_I2C + select USB_ROLE_SWITCH + help + Say Y or M here if your system has TI TPS65982 or TPS65983 USB Power + Delivery controller. + + If you choose to build this driver as a dynamically linked module, the + module will be called tps6598x.ko. diff --git a/drivers/usb/typec/tipd/Makefile b/drivers/usb/typec/tipd/Makefile new file mode 100644 index 000000000000..aa439f80a889 --- /dev/null +++ b/drivers/usb/typec/tipd/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0 +CFLAGS_trace.o := -I$(src) + +obj-$(CONFIG_TYPEC_TPS6598X) += tps6598x.o +tps6598x-y := core.o +tps6598x-$(CONFIG_TRACING) += trace.o diff --git a/drivers/usb/typec/tps6598x.c b/drivers/usb/typec/tipd/core.c index 29bd1c5a283c..938219bc1b4b 100644 --- a/drivers/usb/typec/tps6598x.c +++ b/drivers/usb/typec/tipd/core.c @@ -15,6 +15,9 @@ #include <linux/usb/typec.h> #include <linux/usb/role.h> +#include "tps6598x.h" +#include "trace.h" + /* Register offsets */ #define TPS_REG_VID 0x00 #define TPS_REG_MODE 0x03 @@ -31,16 +34,7 @@ #define TPS_REG_CTRL_CONF 0x29 #define TPS_REG_POWER_STATUS 0x3f #define TPS_REG_RX_IDENTITY_SOP 0x48 - -/* TPS_REG_INT_* bits */ -#define TPS_REG_INT_PLUG_EVENT BIT(3) - -/* TPS_REG_STATUS bits */ -#define TPS_STATUS_PLUG_PRESENT BIT(0) -#define TPS_STATUS_ORIENTATION BIT(4) -#define TPS_STATUS_PORTROLE(s) (!!((s) & BIT(5))) -#define TPS_STATUS_DATAROLE(s) (!!((s) & BIT(6))) -#define TPS_STATUS_VCONN(s) (!!((s) & BIT(7))) +#define TPS_REG_DATA_STATUS 0x5f /* TPS_REG_SYSTEM_CONF bits */ #define TPS_SYSCONF_PORTINFO(c) ((c) & 7) @@ -55,11 +49,6 @@ enum { TPS_PORTINFO_SOURCE, }; -/* TPS_REG_POWER_STATUS bits */ -#define TPS_POWER_STATUS_CONNECTION BIT(0) -#define TPS_POWER_STATUS_SOURCESINK BIT(1) -#define TPS_POWER_STATUS_PWROPMODE(p) (((p) & GENMASK(3, 2)) >> 2) - /* TPS_REG_RX_IDENTITY_SOP */ struct tps6598x_rx_identity_reg { u8 status; @@ -255,9 +244,9 @@ static int tps6598x_connect(struct tps6598x *tps, u32 status) } typec_set_pwr_opmode(tps->port, mode); - typec_set_pwr_role(tps->port, TPS_STATUS_PORTROLE(status)); - typec_set_vconn_role(tps->port, TPS_STATUS_VCONN(status)); - tps6598x_set_data_role(tps, TPS_STATUS_DATAROLE(status), true); + typec_set_pwr_role(tps->port, TPS_STATUS_TO_TYPEC_PORTROLE(status)); + typec_set_vconn_role(tps->port, TPS_STATUS_TO_TYPEC_VCONN(status)); + tps6598x_set_data_role(tps, TPS_STATUS_TO_TYPEC_DATAROLE(status), true); tps->partner = typec_register_partner(tps->port, &desc); if (IS_ERR(tps->partner)) @@ -277,9 +266,10 @@ static void tps6598x_disconnect(struct tps6598x *tps, u32 status) typec_unregister_partner(tps->partner); tps->partner = NULL; typec_set_pwr_opmode(tps->port, TYPEC_PWR_MODE_USB); - typec_set_pwr_role(tps->port, TPS_STATUS_PORTROLE(status)); - typec_set_vconn_role(tps->port, TPS_STATUS_VCONN(status)); - tps6598x_set_data_role(tps, TPS_STATUS_DATAROLE(status), false); + typec_set_pwr_role(tps->port, TPS_STATUS_TO_TYPEC_PORTROLE(status)); + typec_set_vconn_role(tps->port, TPS_STATUS_TO_TYPEC_VCONN(status)); + tps6598x_set_data_role(tps, TPS_STATUS_TO_TYPEC_DATAROLE(status), false); + power_supply_changed(tps->psy); } @@ -363,7 +353,7 @@ static int tps6598x_dr_set(struct typec_port *port, enum typec_data_role role) if (ret) goto out_unlock; - if (role != TPS_STATUS_DATAROLE(status)) { + if (role != TPS_STATUS_TO_TYPEC_DATAROLE(status)) { ret = -EPROTO; goto out_unlock; } @@ -393,7 +383,7 @@ static int tps6598x_pr_set(struct typec_port *port, enum typec_role role) if (ret) goto out_unlock; - if (role != TPS_STATUS_PORTROLE(status)) { + if (role != TPS_STATUS_TO_TYPEC_PORTROLE(status)) { ret = -EPROTO; goto out_unlock; } @@ -416,7 +406,8 @@ static irqreturn_t tps6598x_interrupt(int irq, void *data) struct tps6598x *tps = data; u64 event1; u64 event2; - u32 status; + u32 status, data_status; + u16 pwr_status; int ret; mutex_lock(&tps->lock); @@ -427,12 +418,32 @@ static irqreturn_t tps6598x_interrupt(int irq, void *data) dev_err(tps->dev, "%s: failed to read events\n", __func__); goto err_unlock; } + trace_tps6598x_irq(event1, event2); ret = tps6598x_read32(tps, TPS_REG_STATUS, &status); if (ret) { dev_err(tps->dev, "%s: failed to read status\n", __func__); goto err_clear_ints; } + trace_tps6598x_status(status); + + if ((event1 | event2) & TPS_REG_INT_POWER_STATUS_UPDATE) { + ret = tps6598x_read16(tps, TPS_REG_POWER_STATUS, &pwr_status); + if (ret < 0) { + dev_err(tps->dev, "failed to read power status: %d\n", ret); + goto err_clear_ints; + } + trace_tps6598x_power_status(pwr_status); + } + + if ((event1 | event2) & TPS_REG_INT_DATA_STATUS_UPDATE) { + ret = tps6598x_read32(tps, TPS_REG_DATA_STATUS, &data_status); + if (ret < 0) { + dev_err(tps->dev, "failed to read data status: %d\n", ret); + goto err_clear_ints; + } + trace_tps6598x_data_status(data_status); + } /* Handle plug insert or removal */ if ((event1 | event2) & TPS_REG_INT_PLUG_EVENT) { @@ -498,8 +509,8 @@ static int tps6598x_psy_get_online(struct tps6598x *tps, if (ret < 0) return ret; - if ((pwr_status & TPS_POWER_STATUS_CONNECTION) && - (pwr_status & TPS_POWER_STATUS_SOURCESINK)) { + if (TPS_POWER_STATUS_CONNECTION(pwr_status) && + TPS_POWER_STATUS_SOURCESINK(pwr_status)) { val->intval = 1; } else { val->intval = 0; @@ -608,14 +619,15 @@ static int tps6598x_probe(struct i2c_client *client) ret = tps6598x_read32(tps, TPS_REG_STATUS, &status); if (ret < 0) return ret; + trace_tps6598x_status(status); ret = tps6598x_read32(tps, TPS_REG_SYSTEM_CONF, &conf); if (ret < 0) return ret; fwnode = device_get_named_child_node(&client->dev, "connector"); - if (IS_ERR(fwnode)) - return PTR_ERR(fwnode); + if (!fwnode) + return -ENODEV; tps->role_sw = fwnode_usb_role_switch_get(fwnode); if (IS_ERR(tps->role_sw)) { diff --git a/drivers/usb/typec/tipd/tps6598x.h b/drivers/usb/typec/tipd/tps6598x.h new file mode 100644 index 000000000000..003a577be216 --- /dev/null +++ b/drivers/usb/typec/tipd/tps6598x.h @@ -0,0 +1,189 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Driver for TI TPS6598x USB Power Delivery controller family + * + * Copyright (C) 2017, Intel Corporation + * Author: Heikki Krogerus <[email protected]> + */ + +#include <linux/bits.h> +#include <linux/bitfield.h> + +#ifndef __TPS6598X_H__ +#define __TPS6598X_H__ + +#define TPS_FIELD_GET(_mask, _reg) ((typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask))) + +/* TPS_REG_STATUS bits */ +#define TPS_STATUS_PLUG_PRESENT BIT(0) +#define TPS_STATUS_PLUG_UPSIDE_DOWN BIT(4) +#define TPS_STATUS_PORTROLE BIT(5) +#define TPS_STATUS_TO_TYPEC_PORTROLE(s) (!!((s) & TPS_STATUS_PORTROLE)) +#define TPS_STATUS_DATAROLE BIT(6) +#define TPS_STATUS_TO_TYPEC_DATAROLE(s) (!!((s) & TPS_STATUS_DATAROLE)) +#define TPS_STATUS_VCONN BIT(7) +#define TPS_STATUS_TO_TYPEC_VCONN(s) (!!((s) & TPS_STATUS_VCONN)) +#define TPS_STATUS_OVERCURRENT BIT(16) +#define TPS_STATUS_GOTO_MIN_ACTIVE BIT(26) +#define TPS_STATUS_BIST BIT(27) +#define TPS_STATUS_HIGH_VOLAGE_WARNING BIT(28) +#define TPS_STATUS_HIGH_LOW_VOLTAGE_WARNING BIT(29) + +#define TPS_STATUS_CONN_STATE_MASK GENMASK(3, 1) +#define TPS_STATUS_CONN_STATE(x) TPS_FIELD_GET(TPS_STATUS_CONN_STATE_MASK, (x)) +#define TPS_STATUS_PP_5V0_SWITCH_MASK GENMASK(9, 8) +#define TPS_STATUS_PP_5V0_SWITCH(x) TPS_FIELD_GET(TPS_STATUS_PP_5V0_SWITCH_MASK, (x)) +#define TPS_STATUS_PP_HV_SWITCH_MASK GENMASK(11, 10) +#define TPS_STATUS_PP_HV_SWITCH(x) TPS_FIELD_GET(TPS_STATUS_PP_HV_SWITCH_MASK, (x)) +#define TPS_STATUS_PP_EXT_SWITCH_MASK GENMASK(13, 12) +#define TPS_STATUS_PP_EXT_SWITCH(x) TPS_FIELD_GET(TPS_STATUS_PP_EXT_SWITCH_MASK, (x)) +#define TPS_STATUS_PP_CABLE_SWITCH_MASK GENMASK(15, 14) +#define TPS_STATUS_PP_CABLE_SWITCH(x) TPS_FIELD_GET(TPS_STATUS_PP_CABLE_SWITCH_MASK, (x)) +#define TPS_STATUS_POWER_SOURCE_MASK GENMASK(19, 18) +#define TPS_STATUS_POWER_SOURCE(x) TPS_FIELD_GET(TPS_STATUS_POWER_SOURCE_MASK, (x)) +#define TPS_STATUS_VBUS_STATUS_MASK GENMASK(21, 20) +#define TPS_STATUS_VBUS_STATUS(x) TPS_FIELD_GET(TPS_STATUS_VBUS_STATUS_MASK, (x)) +#define TPS_STATUS_USB_HOST_PRESENT_MASK GENMASK(23, 22) +#define TPS_STATUS_USB_HOST_PRESENT(x) TPS_FIELD_GET(TPS_STATUS_USB_HOST_PRESENT_MASK, (x)) +#define TPS_STATUS_LEGACY_MASK GENMASK(25, 24) +#define TPS_STATUS_LEGACY(x) TPS_FIELD_GET(TPS_STATUS_LEGACY_MASK, (x)) + +#define TPS_STATUS_CONN_STATE_NO_CONN 0 +#define TPS_STATUS_CONN_STATE_DISABLED 1 +#define TPS_STATUS_CONN_STATE_AUDIO_CONN 2 +#define TPS_STATUS_CONN_STATE_DEBUG_CONN 3 +#define TPS_STATUS_CONN_STATE_NO_CONN_R_A 4 +#define TPS_STATUS_CONN_STATE_RESERVED 5 +#define TPS_STATUS_CONN_STATE_CONN_NO_R_A 6 +#define TPS_STATUS_CONN_STATE_CONN_WITH_R_A 7 + +#define TPS_STATUS_PP_SWITCH_STATE_DISABLED 0 +#define TPS_STATUS_PP_SWITCH_STATE_FAULT 1 +#define TPS_STATUS_PP_SWITCH_STATE_OUT 2 +#define TPS_STATUS_PP_SWITCH_STATE_IN 3 + +#define TPS_STATUS_POWER_SOURCE_UNKNOWN 0 +#define TPS_STATUS_POWER_SOURCE_VIN_3P3 1 +#define TPS_STATUS_POWER_SOURCE_DEAD_BAT 2 +#define TPS_STATUS_POWER_SOURCE_VBUS 3 + +#define TPS_STATUS_VBUS_STATUS_VSAFE0V 0 +#define TPS_STATUS_VBUS_STATUS_VSAFE5V 1 +#define TPS_STATUS_VBUS_STATUS_PD 2 +#define TPS_STATUS_VBUS_STATUS_FAULT 3 + +#define TPS_STATUS_USB_HOST_PRESENT_NO 0 +#define TPS_STATUS_USB_HOST_PRESENT_PD_NO_USB 1 +#define TPS_STATUS_USB_HOST_PRESENT_NO_PD 2 +#define TPS_STATUS_USB_HOST_PRESENT_PD_USB 3 + +#define TPS_STATUS_LEGACY_NO 0 +#define TPS_STATUS_LEGACY_SINK 1 +#define TPS_STATUS_LEGACY_SOURCE 2 + +/* TPS_REG_INT_* bits */ +#define TPS_REG_INT_USER_VID_ALT_MODE_OTHER_VDM BIT_ULL(27+32) +#define TPS_REG_INT_USER_VID_ALT_MODE_ATTN_VDM BIT_ULL(26+32) +#define TPS_REG_INT_USER_VID_ALT_MODE_EXIT BIT_ULL(25+32) +#define TPS_REG_INT_USER_VID_ALT_MODE_ENTERED BIT_ULL(24+32) +#define TPS_REG_INT_EXIT_MODES_COMPLETE BIT_ULL(20+32) +#define TPS_REG_INT_DISCOVER_MODES_COMPLETE BIT_ULL(19+32) +#define TPS_REG_INT_VDM_MSG_SENT BIT_ULL(18+32) +#define TPS_REG_INT_VDM_ENTERED_MODE BIT_ULL(17+32) +#define TPS_REG_INT_ERROR_UNABLE_TO_SOURCE BIT_ULL(14+32) +#define TPS_REG_INT_SRC_TRANSITION BIT_ULL(10+32) +#define TPS_REG_INT_ERROR_DISCHARGE_FAILED BIT_ULL(9+32) +#define TPS_REG_INT_ERROR_MESSAGE_DATA BIT_ULL(7+32) +#define TPS_REG_INT_ERROR_PROTOCOL_ERROR BIT_ULL(6+32) +#define TPS_REG_INT_ERROR_MISSING_GET_CAP_MESSAGE BIT_ULL(4+32) +#define TPS_REG_INT_ERROR_POWER_EVENT_OCCURRED BIT_ULL(3+32) +#define TPS_REG_INT_ERROR_CAN_PROVIDE_PWR_LATER BIT_ULL(2+32) +#define TPS_REG_INT_ERROR_CANNOT_PROVIDE_PWR BIT_ULL(1+32) +#define TPS_REG_INT_ERROR_DEVICE_INCOMPATIBLE BIT_ULL(0+32) +#define TPS_REG_INT_CMD2_COMPLETE BIT(31) +#define TPS_REG_INT_CMD1_COMPLETE BIT(30) +#define TPS_REG_INT_ADC_HIGH_THRESHOLD BIT(29) +#define TPS_REG_INT_ADC_LOW_THRESHOLD BIT(28) +#define TPS_REG_INT_PD_STATUS_UPDATE BIT(27) +#define TPS_REG_INT_STATUS_UPDATE BIT(26) +#define TPS_REG_INT_DATA_STATUS_UPDATE BIT(25) +#define TPS_REG_INT_POWER_STATUS_UPDATE BIT(24) +#define TPS_REG_INT_PP_SWITCH_CHANGED BIT(23) +#define TPS_REG_INT_HIGH_VOLTAGE_WARNING BIT(22) +#define TPS_REG_INT_USB_HOST_PRESENT_NO_LONGER BIT(21) +#define TPS_REG_INT_USB_HOST_PRESENT BIT(20) +#define TPS_REG_INT_GOTO_MIN_RECEIVED BIT(19) +#define TPS_REG_INT_PR_SWAP_REQUESTED BIT(17) +#define TPS_REG_INT_SINK_CAP_MESSAGE_READY BIT(15) +#define TPS_REG_INT_SOURCE_CAP_MESSAGE_READY BIT(14) +#define TPS_REG_INT_NEW_CONTRACT_AS_PROVIDER BIT(13) +#define TPS_REG_INT_NEW_CONTRACT_AS_CONSUMER BIT(12) +#define TPS_REG_INT_VDM_RECEIVED BIT(11) +#define TPS_REG_INT_ATTENTION_RECEIVED BIT(10) +#define TPS_REG_INT_OVERCURRENT BIT(9) +#define TPS_REG_INT_BIST BIT(8) +#define TPS_REG_INT_RDO_RECEIVED_FROM_SINK BIT(7) +#define TPS_REG_INT_DR_SWAP_COMPLETE BIT(5) +#define TPS_REG_INT_PR_SWAP_COMPLETE BIT(4) +#define TPS_REG_INT_PLUG_EVENT BIT(3) +#define TPS_REG_INT_HARD_RESET BIT(1) +#define TPS_REG_INT_PD_SOFT_RESET BIT(0) + +/* TPS_REG_POWER_STATUS bits */ +#define TPS_POWER_STATUS_CONNECTION(x) TPS_FIELD_GET(BIT(0), (x)) +#define TPS_POWER_STATUS_SOURCESINK(x) TPS_FIELD_GET(BIT(1), (x)) +#define TPS_POWER_STATUS_BC12_DET(x) TPS_FIELD_GET(BIT(2), (x)) + +#define TPS_POWER_STATUS_TYPEC_CURRENT_MASK GENMASK(3, 2) +#define TPS_POWER_STATUS_PWROPMODE(p) TPS_FIELD_GET(TPS_POWER_STATUS_TYPEC_CURRENT_MASK, (p)) +#define TPS_POWER_STATUS_BC12_STATUS_MASK GENMASK(6, 5) +#define TPS_POWER_STATUS_BC12_STATUS(p) TPS_FIELD_GET(TPS_POWER_STATUS_BC12_STATUS_MASK, (p)) + +#define TPS_POWER_STATUS_TYPEC_CURRENT_USB 0 +#define TPS_POWER_STATUS_TYPEC_CURRENT_1A5 1 +#define TPS_POWER_STATUS_TYPEC_CURRENT_3A0 2 +#define TPS_POWER_STATUS_TYPEC_CURRENT_PD 3 + +#define TPS_POWER_STATUS_BC12_STATUS_SDP 0 +#define TPS_POWER_STATUS_BC12_STATUS_CDP 2 +#define TPS_POWER_STATUS_BC12_STATUS_DCP 3 + +/* TPS_REG_DATA_STATUS bits */ +#define TPS_DATA_STATUS_DATA_CONNECTION BIT(0) +#define TPS_DATA_STATUS_UPSIDE_DOWN BIT(1) +#define TPS_DATA_STATUS_ACTIVE_CABLE BIT(2) +#define TPS_DATA_STATUS_USB2_CONNECTION BIT(4) +#define TPS_DATA_STATUS_USB3_CONNECTION BIT(5) +#define TPS_DATA_STATUS_USB3_GEN2 BIT(6) +#define TPS_DATA_STATUS_USB_DATA_ROLE BIT(7) +#define TPS_DATA_STATUS_DP_CONNECTION BIT(8) +#define TPS_DATA_STATUS_DP_SINK BIT(9) +#define TPS_DATA_STATUS_TBT_CONNECTION BIT(16) +#define TPS_DATA_STATUS_TBT_TYPE BIT(17) +#define TPS_DATA_STATUS_OPTICAL_CABLE BIT(18) +#define TPS_DATA_STATUS_ACTIVE_LINK_TRAIN BIT(20) +#define TPS_DATA_STATUS_FORCE_LSX BIT(23) +#define TPS_DATA_STATUS_POWER_MISMATCH BIT(24) + +#define TPS_DATA_STATUS_DP_PIN_ASSIGNMENT_MASK GENMASK(11, 10) +#define TPS_DATA_STATUS_DP_PIN_ASSIGNMENT(x) \ + TPS_FIELD_GET(TPS_DATA_STATUS_DP_PIN_ASSIGNMENT_MASK, (x)) +#define TPS_DATA_STATUS_TBT_CABLE_SPEED_MASK GENMASK(27, 25) +#define TPS_DATA_STATUS_TBT_CABLE_SPEED \ + TPS_FIELD_GET(TPS_DATA_STATUS_TBT_CABLE_SPEED_MASK, (x)) +#define TPS_DATA_STATUS_TBT_CABLE_GEN_MASK GENMASK(29, 28) +#define TPS_DATA_STATUS_TBT_CABLE_GEN \ + TPS_FIELD_GET(TPS_DATA_STATUS_TBT_CABLE_GEN_MASK, (x)) + +/* Map data status to DP spec assignments */ +#define TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT(x) \ + ((TPS_DATA_STATUS_DP_PIN_ASSIGNMENT(x) << 1) | \ + TPS_FIELD_GET(TPS_DATA_STATUS_USB3_CONNECTION, (x))) +#define TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_E 0 +#define TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_F BIT(0) +#define TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_C BIT(1) +#define TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_D (BIT(1) | BIT(0)) +#define TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_A BIT(2) +#define TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_B (BIT(2) | BIT(1)) + +#endif /* __TPS6598X_H__ */ diff --git a/drivers/usb/typec/tipd/trace.c b/drivers/usb/typec/tipd/trace.c new file mode 100644 index 000000000000..016e68048dc2 --- /dev/null +++ b/drivers/usb/typec/tipd/trace.c @@ -0,0 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * TI TPS6598x USB Power Delivery Controller Trace Support + * + * Copyright (C) 2021, Intel Corporation + * Author: Heikki Krogerus <[email protected]> + */ +#define CREATE_TRACE_POINTS +#include "trace.h" diff --git a/drivers/usb/typec/tipd/trace.h b/drivers/usb/typec/tipd/trace.h new file mode 100644 index 000000000000..5d09d6f78930 --- /dev/null +++ b/drivers/usb/typec/tipd/trace.h @@ -0,0 +1,283 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Driver for TI TPS6598x USB Power Delivery controller family + * + * Copyright (C) 2020 Purism SPC + * Author: Guido Günther <[email protected]> + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM tps6598x + +#if !defined(_TPS6598X_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ) +#define _TPS6598X_TRACE_H_ + +#include "tps6598x.h" + +#include <linux/stringify.h> +#include <linux/types.h> +#include <linux/tracepoint.h> + +#define show_irq_flags(flags) \ + __print_flags_u64(flags, "|", \ + { TPS_REG_INT_PD_SOFT_RESET, "PD_SOFT_RESET" }, \ + { TPS_REG_INT_HARD_RESET, "HARD_RESET" }, \ + { TPS_REG_INT_PLUG_EVENT, "PLUG_EVENT" }, \ + { TPS_REG_INT_PR_SWAP_COMPLETE, "PR_SWAP_COMPLETE" }, \ + { TPS_REG_INT_DR_SWAP_COMPLETE, "DR_SWAP_COMPLETE" }, \ + { TPS_REG_INT_RDO_RECEIVED_FROM_SINK, "RDO_RECEIVED_FROM_SINK" }, \ + { TPS_REG_INT_BIST, "BIST" }, \ + { TPS_REG_INT_OVERCURRENT, "OVERCURRENT" }, \ + { TPS_REG_INT_ATTENTION_RECEIVED, "ATTENTION_RECEIVED" }, \ + { TPS_REG_INT_VDM_RECEIVED, "VDM_RECEIVED" }, \ + { TPS_REG_INT_NEW_CONTRACT_AS_CONSUMER, "NEW_CONTRACT_AS_CONSUMER" }, \ + { TPS_REG_INT_NEW_CONTRACT_AS_PROVIDER, "NEW_CONTRACT_AS_PROVIDER" }, \ + { TPS_REG_INT_SOURCE_CAP_MESSAGE_READY, "SOURCE_CAP_MESSAGE_READY" }, \ + { TPS_REG_INT_SINK_CAP_MESSAGE_READY, "SINK_CAP_MESSAGE_READY" }, \ + { TPS_REG_INT_PR_SWAP_REQUESTED, "PR_SWAP_REQUESTED" }, \ + { TPS_REG_INT_GOTO_MIN_RECEIVED, "GOTO_MIN_RECEIVED" }, \ + { TPS_REG_INT_USB_HOST_PRESENT, "USB_HOST_PRESENT" }, \ + { TPS_REG_INT_USB_HOST_PRESENT_NO_LONGER, "USB_HOST_PRESENT_NO_LONGER" }, \ + { TPS_REG_INT_HIGH_VOLTAGE_WARNING, "HIGH_VOLTAGE_WARNING" }, \ + { TPS_REG_INT_PP_SWITCH_CHANGED, "PP_SWITCH_CHANGED" }, \ + { TPS_REG_INT_POWER_STATUS_UPDATE, "POWER_STATUS_UPDATE" }, \ + { TPS_REG_INT_DATA_STATUS_UPDATE, "DATA_STATUS_UPDATE" }, \ + { TPS_REG_INT_STATUS_UPDATE, "STATUS_UPDATE" }, \ + { TPS_REG_INT_PD_STATUS_UPDATE, "PD_STATUS_UPDATE" }, \ + { TPS_REG_INT_ADC_LOW_THRESHOLD, "ADC_LOW_THRESHOLD" }, \ + { TPS_REG_INT_ADC_HIGH_THRESHOLD, "ADC_HIGH_THRESHOLD" }, \ + { TPS_REG_INT_CMD1_COMPLETE, "CMD1_COMPLETE" }, \ + { TPS_REG_INT_CMD2_COMPLETE, "CMD2_COMPLETE" }, \ + { TPS_REG_INT_ERROR_DEVICE_INCOMPATIBLE, "ERROR_DEVICE_INCOMPATIBLE" }, \ + { TPS_REG_INT_ERROR_CANNOT_PROVIDE_PWR, "ERROR_CANNOT_PROVIDE_PWR" }, \ + { TPS_REG_INT_ERROR_CAN_PROVIDE_PWR_LATER, "ERROR_CAN_PROVIDE_PWR_LATER" }, \ + { TPS_REG_INT_ERROR_POWER_EVENT_OCCURRED, "ERROR_POWER_EVENT_OCCURRED" }, \ + { TPS_REG_INT_ERROR_MISSING_GET_CAP_MESSAGE, "ERROR_MISSING_GET_CAP_MESSAGE" }, \ + { TPS_REG_INT_ERROR_PROTOCOL_ERROR, "ERROR_PROTOCOL_ERROR" }, \ + { TPS_REG_INT_ERROR_MESSAGE_DATA, "ERROR_MESSAGE_DATA" }, \ + { TPS_REG_INT_ERROR_DISCHARGE_FAILED, "ERROR_DISCHARGE_FAILED" }, \ + { TPS_REG_INT_SRC_TRANSITION, "SRC_TRANSITION" }, \ + { TPS_REG_INT_ERROR_UNABLE_TO_SOURCE, "ERROR_UNABLE_TO_SOURCE" }, \ + { TPS_REG_INT_VDM_ENTERED_MODE, "VDM_ENTERED_MODE" }, \ + { TPS_REG_INT_VDM_MSG_SENT, "VDM_MSG_SENT" }, \ + { TPS_REG_INT_DISCOVER_MODES_COMPLETE, "DISCOVER_MODES_COMPLETE" }, \ + { TPS_REG_INT_EXIT_MODES_COMPLETE, "EXIT_MODES_COMPLETE" }, \ + { TPS_REG_INT_USER_VID_ALT_MODE_ENTERED, "USER_VID_ALT_MODE_ENTERED" }, \ + { TPS_REG_INT_USER_VID_ALT_MODE_EXIT, "USER_VID_ALT_MODE_EXIT" }, \ + { TPS_REG_INT_USER_VID_ALT_MODE_ATTN_VDM, "USER_VID_ALT_MODE_ATTN_VDM" }, \ + { TPS_REG_INT_USER_VID_ALT_MODE_OTHER_VDM, "USER_VID_ALT_MODE_OTHER_VDM" }) + +#define TPS6598X_STATUS_FLAGS_MASK (GENMASK(31, 0) ^ (TPS_STATUS_CONN_STATE_MASK | \ + TPS_STATUS_PP_5V0_SWITCH_MASK | \ + TPS_STATUS_PP_HV_SWITCH_MASK | \ + TPS_STATUS_PP_EXT_SWITCH_MASK | \ + TPS_STATUS_PP_CABLE_SWITCH_MASK | \ + TPS_STATUS_POWER_SOURCE_MASK | \ + TPS_STATUS_VBUS_STATUS_MASK | \ + TPS_STATUS_USB_HOST_PRESENT_MASK | \ + TPS_STATUS_LEGACY_MASK)) + +#define show_status_conn_state(status) \ + __print_symbolic(TPS_STATUS_CONN_STATE((status)), \ + { TPS_STATUS_CONN_STATE_CONN_WITH_R_A, "conn-Ra" }, \ + { TPS_STATUS_CONN_STATE_CONN_NO_R_A, "conn-no-Ra" }, \ + { TPS_STATUS_CONN_STATE_NO_CONN_R_A, "no-conn-Ra" }, \ + { TPS_STATUS_CONN_STATE_DEBUG_CONN, "debug" }, \ + { TPS_STATUS_CONN_STATE_AUDIO_CONN, "audio" }, \ + { TPS_STATUS_CONN_STATE_DISABLED, "disabled" }, \ + { TPS_STATUS_CONN_STATE_NO_CONN, "no-conn" }) + +#define show_status_pp_switch_state(status) \ + __print_symbolic(status, \ + { TPS_STATUS_PP_SWITCH_STATE_IN, "in" }, \ + { TPS_STATUS_PP_SWITCH_STATE_OUT, "out" }, \ + { TPS_STATUS_PP_SWITCH_STATE_FAULT, "fault" }, \ + { TPS_STATUS_PP_SWITCH_STATE_DISABLED, "off" }) + +#define show_status_power_sources(status) \ + __print_symbolic(TPS_STATUS_POWER_SOURCE(status), \ + { TPS_STATUS_POWER_SOURCE_VBUS, "vbus" }, \ + { TPS_STATUS_POWER_SOURCE_VIN_3P3, "vin-3p3" }, \ + { TPS_STATUS_POWER_SOURCE_DEAD_BAT, "dead-battery" }, \ + { TPS_STATUS_POWER_SOURCE_UNKNOWN, "unknown" }) + +#define show_status_vbus_status(status) \ + __print_symbolic(TPS_STATUS_VBUS_STATUS(status), \ + { TPS_STATUS_VBUS_STATUS_VSAFE0V, "vSafe0V" }, \ + { TPS_STATUS_VBUS_STATUS_VSAFE5V, "vSafe5V" }, \ + { TPS_STATUS_VBUS_STATUS_PD, "pd" }, \ + { TPS_STATUS_VBUS_STATUS_FAULT, "fault" }) + +#define show_status_usb_host_present(status) \ + __print_symbolic(TPS_STATUS_USB_HOST_PRESENT(status), \ + { TPS_STATUS_USB_HOST_PRESENT_PD_USB, "pd-usb" }, \ + { TPS_STATUS_USB_HOST_PRESENT_NO_PD, "no-pd" }, \ + { TPS_STATUS_USB_HOST_PRESENT_PD_NO_USB, "pd-no-usb" }, \ + { TPS_STATUS_USB_HOST_PRESENT_NO, "no" }) + +#define show_status_legacy(status) \ + __print_symbolic(TPS_STATUS_LEGACY(status), \ + { TPS_STATUS_LEGACY_SOURCE, "source" }, \ + { TPS_STATUS_LEGACY_SINK, "sink" }, \ + { TPS_STATUS_LEGACY_NO, "no" }) + +#define show_status_flags(flags) \ + __print_flags((flags & TPS6598X_STATUS_FLAGS_MASK), "|", \ + { TPS_STATUS_PLUG_PRESENT, "PLUG_PRESENT" }, \ + { TPS_STATUS_PLUG_UPSIDE_DOWN, "UPSIDE_DOWN" }, \ + { TPS_STATUS_PORTROLE, "PORTROLE" }, \ + { TPS_STATUS_DATAROLE, "DATAROLE" }, \ + { TPS_STATUS_VCONN, "VCONN" }, \ + { TPS_STATUS_OVERCURRENT, "OVERCURRENT" }, \ + { TPS_STATUS_GOTO_MIN_ACTIVE, "GOTO_MIN_ACTIVE" }, \ + { TPS_STATUS_BIST, "BIST" }, \ + { TPS_STATUS_HIGH_VOLAGE_WARNING, "HIGH_VOLAGE_WARNING" }, \ + { TPS_STATUS_HIGH_LOW_VOLTAGE_WARNING, "HIGH_LOW_VOLTAGE_WARNING" }) + +#define show_power_status_source_sink(power_status) \ + __print_symbolic(TPS_POWER_STATUS_SOURCESINK(power_status), \ + { 1, "sink" }, \ + { 0, "source" }) + +#define show_power_status_typec_status(power_status) \ + __print_symbolic(TPS_POWER_STATUS_PWROPMODE(power_status), \ + { TPS_POWER_STATUS_TYPEC_CURRENT_PD, "pd" }, \ + { TPS_POWER_STATUS_TYPEC_CURRENT_3A0, "3.0A" }, \ + { TPS_POWER_STATUS_TYPEC_CURRENT_1A5, "1.5A" }, \ + { TPS_POWER_STATUS_TYPEC_CURRENT_USB, "usb" }) + +#define show_power_status_bc12_status(power_status) \ + __print_symbolic(TPS_POWER_STATUS_BC12_STATUS(power_status), \ + { TPS_POWER_STATUS_BC12_STATUS_DCP, "dcp" }, \ + { TPS_POWER_STATUS_BC12_STATUS_CDP, "cdp" }, \ + { TPS_POWER_STATUS_BC12_STATUS_SDP, "sdp" }) + +#define TPS_DATA_STATUS_FLAGS_MASK (GENMASK(31, 0) ^ (TPS_DATA_STATUS_DP_PIN_ASSIGNMENT_MASK | \ + TPS_DATA_STATUS_TBT_CABLE_SPEED_MASK | \ + TPS_DATA_STATUS_TBT_CABLE_GEN_MASK)) + +#define show_data_status_flags(data_status) \ + __print_flags(data_status & TPS_DATA_STATUS_FLAGS_MASK, "|", \ + { TPS_DATA_STATUS_DATA_CONNECTION, "DATA_CONNECTION" }, \ + { TPS_DATA_STATUS_UPSIDE_DOWN, "DATA_UPSIDE_DOWN" }, \ + { TPS_DATA_STATUS_ACTIVE_CABLE, "ACTIVE_CABLE" }, \ + { TPS_DATA_STATUS_USB2_CONNECTION, "USB2_CONNECTION" }, \ + { TPS_DATA_STATUS_USB3_CONNECTION, "USB3_CONNECTION" }, \ + { TPS_DATA_STATUS_USB3_GEN2, "USB3_GEN2" }, \ + { TPS_DATA_STATUS_USB_DATA_ROLE, "USB_DATA_ROLE" }, \ + { TPS_DATA_STATUS_DP_CONNECTION, "DP_CONNECTION" }, \ + { TPS_DATA_STATUS_DP_SINK, "DP_SINK" }, \ + { TPS_DATA_STATUS_TBT_CONNECTION, "TBT_CONNECTION" }, \ + { TPS_DATA_STATUS_TBT_TYPE, "TBT_TYPE" }, \ + { TPS_DATA_STATUS_OPTICAL_CABLE, "OPTICAL_CABLE" }, \ + { TPS_DATA_STATUS_ACTIVE_LINK_TRAIN, "ACTIVE_LINK_TRAIN" }, \ + { TPS_DATA_STATUS_FORCE_LSX, "FORCE_LSX" }, \ + { TPS_DATA_STATUS_POWER_MISMATCH, "POWER_MISMATCH" }) + +#define show_data_status_dp_pin_assignment(data_status) \ + __print_symbolic(TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT(data_status), \ + { TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_E, "E" }, \ + { TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_F, "F" }, \ + { TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_C, "C" }, \ + { TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_D, "D" }, \ + { TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_A, "A" }, \ + { TPS_DATA_STATUS_DP_SPEC_PIN_ASSIGNMENT_B, "B" }) + +#define maybe_show_data_status_dp_pin_assignment(data_status) \ + (data_status & TPS_DATA_STATUS_DP_CONNECTION ? \ + show_data_status_dp_pin_assignment(data_status) : "") + +TRACE_EVENT(tps6598x_irq, + TP_PROTO(u64 event1, + u64 event2), + TP_ARGS(event1, event2), + + TP_STRUCT__entry( + __field(u64, event1) + __field(u64, event2) + ), + + TP_fast_assign( + __entry->event1 = event1; + __entry->event2 = event2; + ), + + TP_printk("event1=%s, event2=%s", + show_irq_flags(__entry->event1), + show_irq_flags(__entry->event2)) +); + +TRACE_EVENT(tps6598x_status, + TP_PROTO(u32 status), + TP_ARGS(status), + + TP_STRUCT__entry( + __field(u32, status) + ), + + TP_fast_assign( + __entry->status = status; + ), + + TP_printk("conn: %s, pp_5v0: %s, pp_hv: %s, pp_ext: %s, pp_cable: %s, " + "pwr-src: %s, vbus: %s, usb-host: %s, legacy: %s, flags: %s", + show_status_conn_state(__entry->status), + show_status_pp_switch_state(TPS_STATUS_PP_5V0_SWITCH(__entry->status)), + show_status_pp_switch_state(TPS_STATUS_PP_HV_SWITCH(__entry->status)), + show_status_pp_switch_state(TPS_STATUS_PP_EXT_SWITCH(__entry->status)), + show_status_pp_switch_state(TPS_STATUS_PP_CABLE_SWITCH(__entry->status)), + show_status_power_sources(__entry->status), + show_status_vbus_status(__entry->status), + show_status_usb_host_present(__entry->status), + show_status_legacy(__entry->status), + show_status_flags(__entry->status) + ) +); + +TRACE_EVENT(tps6598x_power_status, + TP_PROTO(u16 power_status), + TP_ARGS(power_status), + + TP_STRUCT__entry( + __field(u16, power_status) + ), + + TP_fast_assign( + __entry->power_status = power_status; + ), + + TP_printk("conn: %d, pwr-role: %s, typec: %s, bc: %s", + !!TPS_POWER_STATUS_CONNECTION(__entry->power_status), + show_power_status_source_sink(__entry->power_status), + show_power_status_typec_status(__entry->power_status), + show_power_status_bc12_status(__entry->power_status) + ) +); + +TRACE_EVENT(tps6598x_data_status, + TP_PROTO(u32 data_status), + TP_ARGS(data_status), + + TP_STRUCT__entry( + __field(u32, data_status) + ), + + TP_fast_assign( + __entry->data_status = data_status; + ), + + TP_printk("%s%s%s", + show_data_status_flags(__entry->data_status), + __entry->data_status & TPS_DATA_STATUS_DP_CONNECTION ? ", DP pinout " : "", + maybe_show_data_status_dp_pin_assignment(__entry->data_status) + ) +); + +#endif /* _TPS6598X_TRACE_H_ */ + +/* This part must be outside protection */ +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE trace +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#include <trace/define_trace.h> diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c index 244270755ae6..282c3c825c13 100644 --- a/drivers/usb/typec/ucsi/ucsi.c +++ b/drivers/usb/typec/ucsi/ucsi.c @@ -63,7 +63,7 @@ static int ucsi_read_error(struct ucsi *ucsi) u16 error; int ret; - /* Acknowlege the command that failed */ + /* Acknowledge the command that failed */ ret = ucsi_acknowledge_command(ucsi); if (ret) return ret; diff --git a/include/linux/platform_data/usb-mx2.h b/include/linux/platform_data/usb-mx2.h deleted file mode 100644 index 97a670f3d8fb..000000000000 --- a/include/linux/platform_data/usb-mx2.h +++ /dev/null @@ -1,29 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * Copyright (C) 2009 Martin Fuzzey <[email protected]> - */ - -#ifndef __ASM_ARCH_MX21_USBH -#define __ASM_ARCH_MX21_USBH - -enum mx21_usbh_xcvr { - /* Values below as used by hardware (HWMODE register) */ - MX21_USBXCVR_TXDIF_RXDIF = 0, - MX21_USBXCVR_TXDIF_RXSE = 1, - MX21_USBXCVR_TXSE_RXDIF = 2, - MX21_USBXCVR_TXSE_RXSE = 3, -}; - -struct mx21_usbh_platform_data { - enum mx21_usbh_xcvr host_xcvr; /* tranceiver mode host 1,2 ports */ - enum mx21_usbh_xcvr otg_xcvr; /* tranceiver mode otg (as host) port */ - u16 enable_host1:1, - enable_host2:1, - enable_otg_host:1, /* enable "OTG" port (as host) */ - host1_xcverless:1, /* traceiverless host1 port */ - host1_txenoe:1, /* output enable host1 transmit enable */ - otg_ext_xcvr:1, /* external tranceiver for OTG port */ - unused:10; -}; - -#endif /* __ASM_ARCH_MX21_USBH */ diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index 81a55e974feb..b495b4374cd0 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -426,9 +426,16 @@ static inline int power_supply_is_system_supplied(void) { return -ENOSYS; } extern int power_supply_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val); +#if IS_ENABLED(CONFIG_POWER_SUPPLY) extern int power_supply_set_property(struct power_supply *psy, enum power_supply_property psp, const union power_supply_propval *val); +#else +static inline int power_supply_set_property(struct power_supply *psy, + enum power_supply_property psp, + const union power_supply_propval *val) +{ return 0; } +#endif extern int power_supply_property_is_writeable(struct power_supply *psy, enum power_supply_property psp); extern void power_supply_external_power_changed(struct power_supply *psy); diff --git a/include/linux/usb.h b/include/linux/usb.h index d6a41841b93e..ddd2f5b2a282 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -560,6 +560,7 @@ struct usb3_lpm_parameters { * @speed: device speed: high/full/low (or error) * @rx_lanes: number of rx lanes in use, USB 3.2 adds dual-lane support * @tx_lanes: number of tx lanes in use, USB 3.2 adds dual-lane support + * @ssp_rate: SuperSpeed Plus phy signaling rate and lane count * @tt: Transaction Translator info; used with low/full speed dev, highspeed hub * @ttport: device port on that tt hub * @toggle: one bit for each endpoint, with ([0] = IN, [1] = OUT) endpoints @@ -636,6 +637,7 @@ struct usb_device { enum usb_device_speed speed; unsigned int rx_lanes; unsigned int tx_lanes; + enum usb_ssp_rate ssp_rate; struct usb_tt *tt; int ttport; @@ -841,7 +843,7 @@ extern int usb_free_streams(struct usb_interface *interface, /* used these for multi-interface device registration */ extern int usb_driver_claim_interface(struct usb_driver *driver, - struct usb_interface *iface, void *priv); + struct usb_interface *iface, void *data); /** * usb_interface_claimed - returns true iff an interface is claimed @@ -1259,8 +1261,6 @@ struct usb_device_driver { #define to_usb_device_driver(d) container_of(d, struct usb_device_driver, \ drvwrap.driver) -extern struct bus_type usb_bus_type; - /** * struct usb_class_driver - identifies a USB driver that wants to use the USB major number * @name: the usb class device name for this driver. Will show up in sysfs. diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h index abdd310c77f0..1cffa34740b0 100644 --- a/include/linux/usb/ch9.h +++ b/include/linux/usb/ch9.h @@ -45,73 +45,15 @@ enum usb_ssp_rate { USB_SSP_GEN_2x2, }; -/** - * usb_ep_type_string() - Returns human readable-name of the endpoint type. - * @ep_type: The endpoint type to return human-readable name for. If it's not - * any of the types: USB_ENDPOINT_XFER_{CONTROL, ISOC, BULK, INT}, - * usually got by usb_endpoint_type(), the string 'unknown' will be returned. - */ extern const char *usb_ep_type_string(int ep_type); - -/** - * usb_speed_string() - Returns human readable-name of the speed. - * @speed: The speed to return human-readable name for. If it's not - * any of the speeds defined in usb_device_speed enum, string for - * USB_SPEED_UNKNOWN will be returned. - */ extern const char *usb_speed_string(enum usb_device_speed speed); - -/** - * usb_get_maximum_speed - Get maximum requested speed for a given USB - * controller. - * @dev: Pointer to the given USB controller device - * - * The function gets the maximum speed string from property "maximum-speed", - * and returns the corresponding enum usb_device_speed. - */ extern enum usb_device_speed usb_get_maximum_speed(struct device *dev); - -/** - * usb_get_maximum_ssp_rate - Get the signaling rate generation and lane count - * of a SuperSpeed Plus capable device. - * @dev: Pointer to the given USB controller device - * - * If the string from "maximum-speed" property is super-speed-plus-genXxY where - * 'X' is the generation number and 'Y' is the number of lanes, then this - * function returns the corresponding enum usb_ssp_rate. - */ extern enum usb_ssp_rate usb_get_maximum_ssp_rate(struct device *dev); - -/** - * usb_state_string - Returns human readable name for the state. - * @state: The state to return a human-readable name for. If it's not - * any of the states devices in usb_device_state_string enum, - * the string UNKNOWN will be returned. - */ extern const char *usb_state_string(enum usb_device_state state); +unsigned int usb_decode_interval(const struct usb_endpoint_descriptor *epd, + enum usb_device_speed speed); #ifdef CONFIG_TRACING -/** - * usb_decode_ctrl - Returns human readable representation of control request. - * @str: buffer to return a human-readable representation of control request. - * This buffer should have about 200 bytes. - * @size: size of str buffer. - * @bRequestType: matches the USB bmRequestType field - * @bRequest: matches the USB bRequest field - * @wValue: matches the USB wValue field (CPU byte order) - * @wIndex: matches the USB wIndex field (CPU byte order) - * @wLength: matches the USB wLength field (CPU byte order) - * - * Function returns decoded, formatted and human-readable description of - * control request packet. - * - * The usage scenario for this is for tracepoints, so function as a return - * use the same value as in parameters. This approach allows to use this - * function in TP_printk - * - * Important: wValue, wIndex, wLength parameters before invoking this function - * should be processed by le16_to_cpu macro. - */ extern const char *usb_decode_ctrl(char *str, size_t size, __u8 bRequestType, __u8 bRequest, __u16 wValue, __u16 wIndex, __u16 wLength); diff --git a/include/linux/usb/ehci_pdriver.h b/include/linux/usb/ehci_pdriver.h index dd742afdc03f..89fc901e778f 100644 --- a/include/linux/usb/ehci_pdriver.h +++ b/include/linux/usb/ehci_pdriver.h @@ -50,6 +50,7 @@ struct usb_ehci_pdata { unsigned no_io_watchdog:1; unsigned reset_on_resume:1; unsigned dma_mask_64:1; + unsigned spurious_oc:1; /* Turn on all power and clocks */ int (*power_on)(struct platform_device *pdev); diff --git a/include/uapi/linux/usb/video.h b/include/uapi/linux/usb/video.h index d854cb19c42c..bfdae12cdacf 100644 --- a/include/uapi/linux/usb/video.h +++ b/include/uapi/linux/usb/video.h @@ -302,9 +302,10 @@ struct uvc_processing_unit_descriptor { __u8 bControlSize; __u8 bmControls[2]; __u8 iProcessing; + __u8 bmVideoStandards; } __attribute__((__packed__)); -#define UVC_DT_PROCESSING_UNIT_SIZE(n) (9+(n)) +#define UVC_DT_PROCESSING_UNIT_SIZE(n) (10+(n)) /* 3.7.2.6. Extension Unit Descriptor */ struct uvc_extension_unit_descriptor { diff --git a/tools/usb/usbip/doc/usbip.8 b/tools/usb/usbip/doc/usbip.8 index a15d20063b98..1f26e4a00638 100644 --- a/tools/usb/usbip/doc/usbip.8 +++ b/tools/usb/usbip/doc/usbip.8 @@ -50,9 +50,16 @@ Attach a remote USB device. .PP .HP +\fBattach\fR \-\-remote=<\fIhost\fR> \-\-device=<\fIdev_id\fR> +.IP +Attach a remote USB gadget. +Only used when the remote usbipd is in device mode. +.PP + +.HP \fBdetach\fR \-\-port=<\fIport\fR> .IP -Detach an imported USB device. +Detach an imported USB device/gadget. .PP .HP @@ -74,11 +81,25 @@ List USB devices exported by a remote host. .PP .HP +\fBlist\fR \-\-device +.IP +List USB gadgets of local usbip-vudc. +Only used when the local usbipd is in device mode. +Note that this can not list usbip-vudc USB gadgets of the remote device mode usbipd. +.PP + +.HP \fBlist\fR \-\-local .IP List local USB devices. .PP +.HP +\fBport\fR +.IP +List imported devices/gadgets. +.PP + .SH EXAMPLES @@ -90,8 +111,27 @@ List local USB devices. client:# usbip attach --remote=server --busid=1-2 - Connect the remote USB device. + client:# usbip port + - List imported devices/gadgets. + client:# usbip detach --port=0 - Detach the usb device. +The following example shows the usage of device mode + + server:# usbip list --device + - List gadgets exported by local usbipd server. + + client:# modprobe vhci-hcd + + client:# usbip attach --remote=server --device=usbip-vudc.0 + - Connect the remote USB gadget. + + client:# usbip port + - List imported devices/gadgets. + + client:# usbip detach --port=0 + - Detach the usb gadget. + .SH "SEE ALSO" \fBusbipd\fP\fB(8)\fB\fP diff --git a/tools/usb/usbip/doc/usbipd.8 b/tools/usb/usbip/doc/usbipd.8 index fb62a756893b..d974394f86a1 100644 --- a/tools/usb/usbip/doc/usbipd.8 +++ b/tools/usb/usbip/doc/usbipd.8 @@ -30,6 +30,12 @@ Bind to IPv6. Default is both. .PP .HP +\fB\-e\fR, \fB\-\-device\fR +.IP +Run in device mode. Rather than drive an attached device, create a virtual UDC to bind gadgets to. +.PP + +.HP \fB\-D\fR, \fB\-\-daemon\fR .IP Run as a daemon process. @@ -86,6 +92,26 @@ USB/IP client can connect and use exported devices. - A usb device 1-2 is now exportable to other hosts! - Use 'usbip unbind --busid=1-2' when you want to shutdown exporting and use the device locally. +The following example shows the usage of device mode + + server:# modprobe usbip-vudc + - Use /sys/class/udc/ interface. + - usbip-host is independent of this module. + + server:# usbipd -e -D + - Start usbip daemon in device mode. + + server:# modprobe g_mass_storage file=/tmp/tmp.img + - Bind a gadget to usbip-vudc. + - in this example, a mass storage gadget is bound. + + server:# usbip list --device + - List gadgets exported by local usbipd server. + + server:# modprobe -r g_mass_storage + - Unbind a gadget from usbip-vudc. + - in this example, the previous mass storage gadget is unbound. + .SH "SEE ALSO" \fBusbip\fP\fB(8)\fB\fP diff --git a/tools/usb/usbip/libsrc/list.h b/tools/usb/usbip/libsrc/list.h index a941671e4900..9cca2425587b 100644 --- a/tools/usb/usbip/libsrc/list.h +++ b/tools/usb/usbip/libsrc/list.h @@ -77,17 +77,17 @@ static inline void __list_del(struct list_head * prev, struct list_head * next) #define LIST_POISON1 ((void *) 0x00100100 + POISON_POINTER_DELTA) #define LIST_POISON2 ((void *) 0x00200200 + POISON_POINTER_DELTA) +static inline void __list_del_entry(struct list_head *entry) +{ + __list_del(entry->prev, entry->next); +} + /** * list_del - deletes entry from list. * @entry: the element to delete from the list. * Note: list_empty() on entry does not return true after this, the entry is * in an undefined state. */ -static inline void __list_del_entry(struct list_head *entry) -{ - __list_del(entry->prev, entry->next); -} - static inline void list_del(struct list_head *entry) { __list_del(entry->prev, entry->next); diff --git a/tools/usb/usbip/src/usbip_list.c b/tools/usb/usbip/src/usbip_list.c index 8625b0f514ee..3d810bcca02f 100644 --- a/tools/usb/usbip/src/usbip_list.c +++ b/tools/usb/usbip/src/usbip_list.c @@ -33,7 +33,8 @@ static const char usbip_list_usage_string[] = "usbip list [-p|--parsable] <args>\n" " -p, --parsable Parsable list format\n" " -r, --remote=<host> List the exportable USB devices on <host>\n" - " -l, --local List the local USB devices\n"; + " -l, --local List the local USB devices\n" + " -d, --device List the local USB gadgets bound to usbip-vudc\n"; void usbip_list_usage(void) { |