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-rw-r--r--Documentation/devicetree/bindings/drm/bridge/ptn3460.txt27
-rw-r--r--Documentation/devicetree/bindings/video/exynos_dp.txt17
-rw-r--r--Documentation/devicetree/bindings/video/exynos_hdmi.txt5
-rw-r--r--Documentation/devicetree/bindings/video/samsung-fimd.txt17
-rw-r--r--MAINTAINERS6
-rw-r--r--arch/arm/boot/dts/exynos4210-universal_c210.dts27
-rw-r--r--drivers/gpu/drm/Kconfig2
-rw-r--r--drivers/gpu/drm/Makefile1
-rw-r--r--drivers/gpu/drm/bridge/Kconfig4
-rw-r--r--drivers/gpu/drm/bridge/Makefile3
-rw-r--r--drivers/gpu/drm/bridge/ptn3460.c349
-rw-r--r--drivers/gpu/drm/exynos/Kconfig15
-rw-r--r--drivers/gpu/drm/exynos/Makefile8
-rw-r--r--drivers/gpu/drm/exynos/exynos_dp_core.c (renamed from drivers/video/exynos/exynos_dp_core.c)303
-rw-r--r--drivers/gpu/drm/exynos/exynos_dp_core.h (renamed from drivers/video/exynos/exynos_dp_core.h)9
-rw-r--r--drivers/gpu/drm/exynos/exynos_dp_reg.c (renamed from drivers/video/exynos/exynos_dp_reg.c)0
-rw-r--r--drivers/gpu/drm/exynos/exynos_dp_reg.h (renamed from drivers/video/exynos/exynos_dp_reg.h)0
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_connector.c92
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_connector.h4
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_core.c193
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_crtc.c139
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_crtc.h20
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_dpi.c339
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_drv.c192
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_drv.h162
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_encoder.c357
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_encoder.h18
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_fb.c7
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_fimd.c700
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_hdmi.c439
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_hdmi.h67
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_plane.c17
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_plane.h2
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_vidi.c441
-rw-r--r--drivers/gpu/drm/exynos/exynos_hdmi.c472
-rw-r--r--drivers/gpu/drm/exynos/exynos_mixer.c573
-rw-r--r--drivers/gpu/drm/exynos/exynos_mixer.h20
-rw-r--r--drivers/video/exynos/Kconfig7
-rw-r--r--drivers/video/exynos/Makefile1
-rw-r--r--include/drm/bridge/ptn3460.h37
40 files changed, 2761 insertions, 2331 deletions
diff --git a/Documentation/devicetree/bindings/drm/bridge/ptn3460.txt b/Documentation/devicetree/bindings/drm/bridge/ptn3460.txt
new file mode 100644
index 000000000000..52b93b2c6748
--- /dev/null
+++ b/Documentation/devicetree/bindings/drm/bridge/ptn3460.txt
@@ -0,0 +1,27 @@
+ptn3460 bridge bindings
+
+Required properties:
+ - compatible: "nxp,ptn3460"
+ - reg: i2c address of the bridge
+ - powerdown-gpio: OF device-tree gpio specification
+ - reset-gpio: OF device-tree gpio specification
+ - edid-emulation: The EDID emulation entry to use
+ +-------+------------+------------------+
+ | Value | Resolution | Description |
+ | 0 | 1024x768 | NXP Generic |
+ | 1 | 1920x1080 | NXP Generic |
+ | 2 | 1920x1080 | NXP Generic |
+ | 3 | 1600x900 | Samsung LTM200KT |
+ | 4 | 1920x1080 | Samsung LTM230HT |
+ | 5 | 1366x768 | NXP Generic |
+ | 6 | 1600x900 | ChiMei M215HGE |
+ +-------+------------+------------------+
+
+Example:
+ lvds-bridge@20 {
+ compatible = "nxp,ptn3460";
+ reg = <0x20>;
+ powerdown-gpio = <&gpy2 5 1 0 0>;
+ reset-gpio = <&gpx1 5 1 0 0>;
+ edid-emulation = <5>;
+ };
diff --git a/Documentation/devicetree/bindings/video/exynos_dp.txt b/Documentation/devicetree/bindings/video/exynos_dp.txt
index 3289d76a21d0..57ccdde02c3a 100644
--- a/Documentation/devicetree/bindings/video/exynos_dp.txt
+++ b/Documentation/devicetree/bindings/video/exynos_dp.txt
@@ -49,6 +49,8 @@ Required properties for dp-controller:
-samsung,lane-count:
number of lanes supported by the panel.
LANE_COUNT1 = 1, LANE_COUNT2 = 2, LANE_COUNT4 = 4
+ - display-timings: timings for the connected panel as described by
+ Documentation/devicetree/bindings/video/display-timing.txt
Optional properties for dp-controller:
-interlaced:
@@ -84,4 +86,19 @@ Board Specific portion:
samsung,color-depth = <1>;
samsung,link-rate = <0x0a>;
samsung,lane-count = <4>;
+
+ display-timings {
+ native-mode = <&lcd_timing>;
+ lcd_timing: 1366x768 {
+ clock-frequency = <70589280>;
+ hactive = <1366>;
+ vactive = <768>;
+ hfront-porch = <40>;
+ hback-porch = <40>;
+ hsync-len = <32>;
+ vback-porch = <10>;
+ vfront-porch = <12>;
+ vsync-len = <6>;
+ };
+ };
};
diff --git a/Documentation/devicetree/bindings/video/exynos_hdmi.txt b/Documentation/devicetree/bindings/video/exynos_hdmi.txt
index 50decf8e1b90..f9187a259259 100644
--- a/Documentation/devicetree/bindings/video/exynos_hdmi.txt
+++ b/Documentation/devicetree/bindings/video/exynos_hdmi.txt
@@ -25,6 +25,9 @@ Required properties:
sclk_pixel.
- clock-names: aliases as per driver requirements for above clock IDs:
"hdmi", "sclk_hdmi", "sclk_pixel", "sclk_hdmiphy" and "mout_hdmi".
+- ddc: phandle to the hdmi ddc node
+- phy: phandle to the hdmi phy node
+
Example:
hdmi {
@@ -32,4 +35,6 @@ Example:
reg = <0x14530000 0x100000>;
interrupts = <0 95 0>;
hpd-gpio = <&gpx3 7 1>;
+ ddc = <&hdmi_ddc_node>;
+ phy = <&hdmi_phy_node>;
};
diff --git a/Documentation/devicetree/bindings/video/samsung-fimd.txt b/Documentation/devicetree/bindings/video/samsung-fimd.txt
index 778838a0336a..2dad41b689af 100644
--- a/Documentation/devicetree/bindings/video/samsung-fimd.txt
+++ b/Documentation/devicetree/bindings/video/samsung-fimd.txt
@@ -39,6 +39,23 @@ Required properties:
Optional Properties:
- samsung,power-domain: a phandle to FIMD power domain node.
+- samsung,invert-vden: video enable signal is inverted
+- samsung,invert-vclk: video clock signal is inverted
+- display-timings: timing settings for FIMD, as described in document [1].
+ Can be used in case timings cannot be provided otherwise
+ or to override timings provided by the panel.
+
+The device node can contain 'port' child nodes according to the bindings defined
+in [2]. The following are properties specific to those nodes:
+- reg: (required) port index, can be:
+ 0 - for CAMIF0 input,
+ 1 - for CAMIF1 input,
+ 2 - for CAMIF2 input,
+ 3 - for parallel output,
+ 4 - for write-back interface
+
+[1]: Documentation/devicetree/bindings/video/display-timing.txt
+[2]: Documentation/devicetree/bindings/media/video-interfaces.txt
Example:
diff --git a/MAINTAINERS b/MAINTAINERS
index b3fdb0f004ba..1a308b8e10a4 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3393,12 +3393,6 @@ S: Maintained
F: drivers/extcon/
F: Documentation/extcon/
-EXYNOS DP DRIVER
-M: Jingoo Han <[email protected]>
-S: Maintained
-F: drivers/video/exynos/exynos_dp*
-
EXYNOS MIPI DISPLAY DRIVERS
M: Inki Dae <[email protected]>
M: Donghwa Lee <[email protected]>
diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts
index d2e3f5f5916d..477208d98c6d 100644
--- a/arch/arm/boot/dts/exynos4210-universal_c210.dts
+++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts
@@ -225,6 +225,7 @@
regulator-name = "VLCD+VMIPI_1.8V";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
+ regulator-always-on;
};
ldo8_reg: LDO8 {
@@ -288,6 +289,7 @@
regulator-name = "VCC_3.0V_LCD";
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
+ regulator-always-on;
};
buck1_reg: BUCK1 {
@@ -345,6 +347,31 @@
};
};
+ fimd: fimd@11c00000 {
+ pinctrl-0 = <&lcd_clk>, <&lcd_data24>;
+ pinctrl-names = "default";
+ status = "okay";
+ samsung,invert-vden;
+ samsung,invert-vclk;
+ display-timings {
+ timing {
+ clock-frequency = <23492370>;
+ hactive = <480>;
+ vactive = <800>;
+ hback-porch = <16>;
+ hfront-porch = <16>;
+ vback-porch = <2>;
+ vfront-porch = <28>;
+ hsync-len = <2>;
+ vsync-len = <1>;
+ hsync-active = <0>;
+ vsync-active = <0>;
+ de-active = <0>;
+ pixelclk-active = <0>;
+ };
+ };
+ };
+
pwm@139D0000 {
compatible = "samsung,s5p6440-pwm";
status = "okay";
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 8e7fa4dbaed8..d1cc2f613a78 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -199,3 +199,5 @@ source "drivers/gpu/drm/msm/Kconfig"
source "drivers/gpu/drm/tegra/Kconfig"
source "drivers/gpu/drm/panel/Kconfig"
+
+source "drivers/gpu/drm/bridge/Kconfig"
diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
index 292a79d64146..5e792b0a5f75 100644
--- a/drivers/gpu/drm/Makefile
+++ b/drivers/gpu/drm/Makefile
@@ -63,3 +63,4 @@ obj-$(CONFIG_DRM_MSM) += msm/
obj-$(CONFIG_DRM_TEGRA) += tegra/
obj-y += i2c/
obj-y += panel/
+obj-y += bridge/
diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
new file mode 100644
index 000000000000..f8db06959ae8
--- /dev/null
+++ b/drivers/gpu/drm/bridge/Kconfig
@@ -0,0 +1,4 @@
+config DRM_PTN3460
+ tristate "PTN3460 DP/LVDS bridge"
+ depends on DRM && I2C
+ ---help---
diff --git a/drivers/gpu/drm/bridge/Makefile b/drivers/gpu/drm/bridge/Makefile
new file mode 100644
index 000000000000..b4733e1fbd2e
--- /dev/null
+++ b/drivers/gpu/drm/bridge/Makefile
@@ -0,0 +1,3 @@
+ccflags-y := -Iinclude/drm
+
+obj-$(CONFIG_DRM_PTN3460) += ptn3460.o
diff --git a/drivers/gpu/drm/bridge/ptn3460.c b/drivers/gpu/drm/bridge/ptn3460.c
new file mode 100644
index 000000000000..a9e5c1a13666
--- /dev/null
+++ b/drivers/gpu/drm/bridge/ptn3460.c
@@ -0,0 +1,349 @@
+/*
+ * NXP PTN3460 DP/LVDS bridge driver
+ *
+ * Copyright (C) 2013 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
+#include <linux/i2c.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+
+#include "drmP.h"
+#include "drm_edid.h"
+#include "drm_crtc.h"
+#include "drm_crtc_helper.h"
+
+#include "bridge/ptn3460.h"
+
+#define PTN3460_EDID_ADDR 0x0
+#define PTN3460_EDID_EMULATION_ADDR 0x84
+#define PTN3460_EDID_ENABLE_EMULATION 0
+#define PTN3460_EDID_EMULATION_SELECTION 1
+#define PTN3460_EDID_SRAM_LOAD_ADDR 0x85
+
+struct ptn3460_bridge {
+ struct drm_connector connector;
+ struct i2c_client *client;
+ struct drm_encoder *encoder;
+ struct drm_bridge *bridge;
+ struct edid *edid;
+ int gpio_pd_n;
+ int gpio_rst_n;
+ u32 edid_emulation;
+ bool enabled;
+};
+
+static int ptn3460_read_bytes(struct ptn3460_bridge *ptn_bridge, char addr,
+ u8 *buf, int len)
+{
+ int ret;
+
+ ret = i2c_master_send(ptn_bridge->client, &addr, 1);
+ if (ret <= 0) {
+ DRM_ERROR("Failed to send i2c command, ret=%d\n", ret);
+ return ret;
+ }
+
+ ret = i2c_master_recv(ptn_bridge->client, buf, len);
+ if (ret <= 0) {
+ DRM_ERROR("Failed to recv i2c data, ret=%d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ptn3460_write_byte(struct ptn3460_bridge *ptn_bridge, char addr,
+ char val)
+{
+ int ret;
+ char buf[2];
+
+ buf[0] = addr;
+ buf[1] = val;
+
+ ret = i2c_master_send(ptn_bridge->client, buf, ARRAY_SIZE(buf));
+ if (ret <= 0) {
+ DRM_ERROR("Failed to send i2c command, ret=%d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ptn3460_select_edid(struct ptn3460_bridge *ptn_bridge)
+{
+ int ret;
+ char val;
+
+ /* Load the selected edid into SRAM (accessed at PTN3460_EDID_ADDR) */
+ ret = ptn3460_write_byte(ptn_bridge, PTN3460_EDID_SRAM_LOAD_ADDR,
+ ptn_bridge->edid_emulation);
+ if (ret) {
+ DRM_ERROR("Failed to transfer edid to sram, ret=%d\n", ret);
+ return ret;
+ }
+
+ /* Enable EDID emulation and select the desired EDID */
+ val = 1 << PTN3460_EDID_ENABLE_EMULATION |
+ ptn_bridge->edid_emulation << PTN3460_EDID_EMULATION_SELECTION;
+
+ ret = ptn3460_write_byte(ptn_bridge, PTN3460_EDID_EMULATION_ADDR, val);
+ if (ret) {
+ DRM_ERROR("Failed to write edid value, ret=%d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static void ptn3460_pre_enable(struct drm_bridge *bridge)
+{
+ struct ptn3460_bridge *ptn_bridge = bridge->driver_private;
+ int ret;
+
+ if (ptn_bridge->enabled)
+ return;
+
+ if (gpio_is_valid(ptn_bridge->gpio_pd_n))
+ gpio_set_value(ptn_bridge->gpio_pd_n, 1);
+
+ if (gpio_is_valid(ptn_bridge->gpio_rst_n)) {
+ gpio_set_value(ptn_bridge->gpio_rst_n, 0);
+ udelay(10);
+ gpio_set_value(ptn_bridge->gpio_rst_n, 1);
+ }
+
+ /*
+ * There's a bug in the PTN chip where it falsely asserts hotplug before
+ * it is fully functional. We're forced to wait for the maximum start up
+ * time specified in the chip's datasheet to make sure we're really up.
+ */
+ msleep(90);
+
+ ret = ptn3460_select_edid(ptn_bridge);
+ if (ret)
+ DRM_ERROR("Select edid failed ret=%d\n", ret);
+
+ ptn_bridge->enabled = true;
+}
+
+static void ptn3460_enable(struct drm_bridge *bridge)
+{
+}
+
+static void ptn3460_disable(struct drm_bridge *bridge)
+{
+ struct ptn3460_bridge *ptn_bridge = bridge->driver_private;
+
+ if (!ptn_bridge->enabled)
+ return;
+
+ ptn_bridge->enabled = false;
+
+ if (gpio_is_valid(ptn_bridge->gpio_rst_n))
+ gpio_set_value(ptn_bridge->gpio_rst_n, 1);
+
+ if (gpio_is_valid(ptn_bridge->gpio_pd_n))
+ gpio_set_value(ptn_bridge->gpio_pd_n, 0);
+}
+
+static void ptn3460_post_disable(struct drm_bridge *bridge)
+{
+}
+
+void ptn3460_bridge_destroy(struct drm_bridge *bridge)
+{
+ struct ptn3460_bridge *ptn_bridge = bridge->driver_private;
+
+ drm_bridge_cleanup(bridge);
+ if (gpio_is_valid(ptn_bridge->gpio_pd_n))
+ gpio_free(ptn_bridge->gpio_pd_n);
+ if (gpio_is_valid(ptn_bridge->gpio_rst_n))
+ gpio_free(ptn_bridge->gpio_rst_n);
+ /* Nothing else to free, we've got devm allocated memory */
+}
+
+struct drm_bridge_funcs ptn3460_bridge_funcs = {
+ .pre_enable = ptn3460_pre_enable,
+ .enable = ptn3460_enable,
+ .disable = ptn3460_disable,
+ .post_disable = ptn3460_post_disable,
+ .destroy = ptn3460_bridge_destroy,
+};
+
+int ptn3460_get_modes(struct drm_connector *connector)
+{
+ struct ptn3460_bridge *ptn_bridge;
+ u8 *edid;
+ int ret, num_modes;
+ bool power_off;
+
+ ptn_bridge = container_of(connector, struct ptn3460_bridge, connector);
+
+ if (ptn_bridge->edid)
+ return drm_add_edid_modes(connector, ptn_bridge->edid);
+
+ power_off = !ptn_bridge->enabled;
+ ptn3460_pre_enable(ptn_bridge->bridge);
+
+ edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
+ if (!edid) {
+ DRM_ERROR("Failed to allocate edid\n");
+ return 0;
+ }
+
+ ret = ptn3460_read_bytes(ptn_bridge, PTN3460_EDID_ADDR, edid,
+ EDID_LENGTH);
+ if (ret) {
+ kfree(edid);
+ num_modes = 0;
+ goto out;
+ }
+
+ ptn_bridge->edid = (struct edid *)edid;
+ drm_mode_connector_update_edid_property(connector, ptn_bridge->edid);
+
+ num_modes = drm_add_edid_modes(connector, ptn_bridge->edid);
+
+out:
+ if (power_off)
+ ptn3460_disable(ptn_bridge->bridge);
+
+ return num_modes;
+}
+
+static int ptn3460_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ return MODE_OK;
+}
+
+struct drm_encoder *ptn3460_best_encoder(struct drm_connector *connector)
+{
+ struct ptn3460_bridge *ptn_bridge;
+
+ ptn_bridge = container_of(connector, struct ptn3460_bridge, connector);
+
+ return ptn_bridge->encoder;
+}
+
+struct drm_connector_helper_funcs ptn3460_connector_helper_funcs = {
+ .get_modes = ptn3460_get_modes,
+ .mode_valid = ptn3460_mode_valid,
+ .best_encoder = ptn3460_best_encoder,
+};
+
+enum drm_connector_status ptn3460_detect(struct drm_connector *connector,
+ bool force)
+{
+ return connector_status_connected;
+}
+
+void ptn3460_connector_destroy(struct drm_connector *connector)
+{
+ drm_connector_cleanup(connector);
+}
+
+struct drm_connector_funcs ptn3460_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .detect = ptn3460_detect,
+ .destroy = ptn3460_connector_destroy,
+};
+
+int ptn3460_init(struct drm_device *dev, struct drm_encoder *encoder,
+ struct i2c_client *client, struct device_node *node)
+{
+ int ret;
+ struct drm_bridge *bridge;
+ struct ptn3460_bridge *ptn_bridge;
+
+ bridge = devm_kzalloc(dev->dev, sizeof(*bridge), GFP_KERNEL);
+ if (!bridge) {
+ DRM_ERROR("Failed to allocate drm bridge\n");
+ return -ENOMEM;
+ }
+
+ ptn_bridge = devm_kzalloc(dev->dev, sizeof(*ptn_bridge), GFP_KERNEL);
+ if (!ptn_bridge) {
+ DRM_ERROR("Failed to allocate ptn bridge\n");
+ return -ENOMEM;
+ }
+
+ ptn_bridge->client = client;
+ ptn_bridge->encoder = encoder;
+ ptn_bridge->bridge = bridge;
+ ptn_bridge->gpio_pd_n = of_get_named_gpio(node, "powerdown-gpio", 0);
+ if (gpio_is_valid(ptn_bridge->gpio_pd_n)) {
+ ret = gpio_request_one(ptn_bridge->gpio_pd_n,
+ GPIOF_OUT_INIT_HIGH, "PTN3460_PD_N");
+ if (ret) {
+ DRM_ERROR("Request powerdown-gpio failed (%d)\n", ret);
+ return ret;
+ }
+ }
+
+ ptn_bridge->gpio_rst_n = of_get_named_gpio(node, "reset-gpio", 0);
+ if (gpio_is_valid(ptn_bridge->gpio_rst_n)) {
+ /*
+ * Request the reset pin low to avoid the bridge being
+ * initialized prematurely
+ */
+ ret = gpio_request_one(ptn_bridge->gpio_rst_n,
+ GPIOF_OUT_INIT_LOW, "PTN3460_RST_N");
+ if (ret) {
+ DRM_ERROR("Request reset-gpio failed (%d)\n", ret);
+ gpio_free(ptn_bridge->gpio_pd_n);
+ return ret;
+ }
+ }
+
+ ret = of_property_read_u32(node, "edid-emulation",
+ &ptn_bridge->edid_emulation);
+ if (ret) {
+ DRM_ERROR("Can't read edid emulation value\n");
+ goto err;
+ }
+
+ ret = drm_bridge_init(dev, bridge, &ptn3460_bridge_funcs);
+ if (ret) {
+ DRM_ERROR("Failed to initialize bridge with drm\n");
+ goto err;
+ }
+
+ bridge->driver_private = ptn_bridge;
+ encoder->bridge = bridge;
+
+ ret = drm_connector_init(dev, &ptn_bridge->connector,
+ &ptn3460_connector_funcs, DRM_MODE_CONNECTOR_LVDS);
+ if (ret) {
+ DRM_ERROR("Failed to initialize connector with drm\n");
+ goto err;
+ }
+ drm_connector_helper_add(&ptn_bridge->connector,
+ &ptn3460_connector_helper_funcs);
+ drm_sysfs_connector_add(&ptn_bridge->connector);
+ drm_mode_connector_attach_encoder(&ptn_bridge->connector, encoder);
+
+ return 0;
+
+err:
+ if (gpio_is_valid(ptn_bridge->gpio_pd_n))
+ gpio_free(ptn_bridge->gpio_pd_n);
+ if (gpio_is_valid(ptn_bridge->gpio_rst_n))
+ gpio_free(ptn_bridge->gpio_rst_n);
+ return ret;
+}
diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig
index 6e1a1a20cf6b..56f95811a5e5 100644
--- a/drivers/gpu/drm/exynos/Kconfig
+++ b/drivers/gpu/drm/exynos/Kconfig
@@ -31,6 +31,21 @@ config DRM_EXYNOS_FIMD
help
Choose this option if you want to use Exynos FIMD for DRM.
+config DRM_EXYNOS_DPI
+ bool "EXYNOS DRM parallel output support"
+ depends on DRM_EXYNOS
+ select DRM_PANEL
+ default n
+ help
+ This enables support for Exynos parallel output.
+
+config DRM_EXYNOS_DP
+ bool "EXYNOS DRM DP driver support"
+ depends on DRM_EXYNOS && ARCH_EXYNOS
+ default DRM_EXYNOS
+ help
+ This enables support for DP device.
+
config DRM_EXYNOS_HDMI
bool "Exynos DRM HDMI"
depends on DRM_EXYNOS && !VIDEO_SAMSUNG_S5P_TV
diff --git a/drivers/gpu/drm/exynos/Makefile b/drivers/gpu/drm/exynos/Makefile
index 639b49e1ec05..babcd52b65df 100644
--- a/drivers/gpu/drm/exynos/Makefile
+++ b/drivers/gpu/drm/exynos/Makefile
@@ -3,7 +3,7 @@
# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
ccflags-y := -Iinclude/drm -Idrivers/gpu/drm/exynos
-exynosdrm-y := exynos_drm_drv.o exynos_drm_encoder.o exynos_drm_connector.o \
+exynosdrm-y := exynos_drm_drv.o exynos_drm_encoder.o \
exynos_drm_crtc.o exynos_drm_fbdev.o exynos_drm_fb.o \
exynos_drm_buf.o exynos_drm_gem.o exynos_drm_core.o \
exynos_drm_plane.o
@@ -11,9 +11,9 @@ exynosdrm-y := exynos_drm_drv.o exynos_drm_encoder.o exynos_drm_connector.o \
exynosdrm-$(CONFIG_DRM_EXYNOS_IOMMU) += exynos_drm_iommu.o
exynosdrm-$(CONFIG_DRM_EXYNOS_DMABUF) += exynos_drm_dmabuf.o
exynosdrm-$(CONFIG_DRM_EXYNOS_FIMD) += exynos_drm_fimd.o
-exynosdrm-$(CONFIG_DRM_EXYNOS_HDMI) += exynos_hdmi.o exynos_mixer.o \
- exynos_ddc.o exynos_hdmiphy.o \
- exynos_drm_hdmi.o
+exynosdrm-$(CONFIG_DRM_EXYNOS_DPI) += exynos_drm_dpi.o
+exynosdrm-$(CONFIG_DRM_EXYNOS_DP) += exynos_dp_core.o exynos_dp_reg.o
+exynosdrm-$(CONFIG_DRM_EXYNOS_HDMI) += exynos_hdmi.o exynos_mixer.o
exynosdrm-$(CONFIG_DRM_EXYNOS_VIDI) += exynos_drm_vidi.o
exynosdrm-$(CONFIG_DRM_EXYNOS_G2D) += exynos_drm_g2d.o
exynosdrm-$(CONFIG_DRM_EXYNOS_IPP) += exynos_drm_ipp.o
diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c
index 5e1a71580051..a59bca9f16e1 100644
--- a/drivers/video/exynos/exynos_dp_core.c
+++ b/drivers/gpu/drm/exynos/exynos_dp_core.c
@@ -12,7 +12,6 @@
#include <linux/module.h>
#include <linux/platform_device.h>
-#include <linux/slab.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
@@ -20,9 +19,25 @@
#include <linux/delay.h>
#include <linux/of.h>
#include <linux/phy/phy.h>
+#include <video/of_display_timing.h>
+#include <video/of_videomode.h>
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/bridge/ptn3460.h>
+
+#include "exynos_drm_drv.h"
#include "exynos_dp_core.h"
+#define ctx_from_connector(c) container_of(c, struct exynos_dp_device, \
+ connector)
+
+struct bridge_init {
+ struct i2c_client *client;
+ struct device_node *node;
+};
+
static int exynos_dp_init_dp(struct exynos_dp_device *dp)
{
exynos_dp_reset(dp);
@@ -893,6 +908,214 @@ static void exynos_dp_hotplug(struct work_struct *work)
dev_err(dp->dev, "unable to config video\n");
}
+static enum drm_connector_status exynos_dp_detect(
+ struct drm_connector *connector, bool force)
+{
+ return connector_status_connected;
+}
+
+static void exynos_dp_connector_destroy(struct drm_connector *connector)
+{
+}
+
+static struct drm_connector_funcs exynos_dp_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .detect = exynos_dp_detect,
+ .destroy = exynos_dp_connector_destroy,
+};
+
+static int exynos_dp_get_modes(struct drm_connector *connector)
+{
+ struct exynos_dp_device *dp = ctx_from_connector(connector);
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_create(connector->dev);
+ if (!mode) {
+ DRM_ERROR("failed to create a new display mode.\n");
+ return 0;
+ }
+
+ drm_display_mode_from_videomode(&dp->panel.vm, mode);
+ mode->width_mm = dp->panel.width_mm;
+ mode->height_mm = dp->panel.height_mm;
+ connector->display_info.width_mm = mode->width_mm;
+ connector->display_info.height_mm = mode->height_mm;
+
+ mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+ drm_mode_set_name(mode);
+ drm_mode_probed_add(connector, mode);
+
+ return 1;
+}
+
+static int exynos_dp_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ return MODE_OK;
+}
+
+static struct drm_encoder *exynos_dp_best_encoder(
+ struct drm_connector *connector)
+{
+ struct exynos_dp_device *dp = ctx_from_connector(connector);
+
+ return dp->encoder;
+}
+
+static struct drm_connector_helper_funcs exynos_dp_connector_helper_funcs = {
+ .get_modes = exynos_dp_get_modes,
+ .mode_valid = exynos_dp_mode_valid,
+ .best_encoder = exynos_dp_best_encoder,
+};
+
+static int exynos_dp_initialize(struct exynos_drm_display *display,
+ struct drm_device *drm_dev)
+{
+ struct exynos_dp_device *dp = display->ctx;
+
+ dp->drm_dev = drm_dev;
+
+ return 0;
+}
+
+static bool find_bridge(const char *compat, struct bridge_init *bridge)
+{
+ bridge->client = NULL;
+ bridge->node = of_find_compatible_node(NULL, NULL, compat);
+ if (!bridge->node)
+ return false;
+
+ bridge->client = of_find_i2c_device_by_node(bridge->node);
+ if (!bridge->client)
+ return false;
+
+ return true;
+}
+
+/* returns the number of bridges attached */
+static int exynos_drm_attach_lcd_bridge(struct drm_device *dev,
+ struct drm_encoder *encoder)
+{
+ struct bridge_init bridge;
+ int ret;
+
+ if (find_bridge("nxp,ptn3460", &bridge)) {
+ ret = ptn3460_init(dev, encoder, bridge.client, bridge.node);
+ if (!ret)
+ return 1;
+ }
+ return 0;
+}
+
+static int exynos_dp_create_connector(struct exynos_drm_display *display,
+ struct drm_encoder *encoder)
+{
+ struct exynos_dp_device *dp = display->ctx;
+ struct drm_connector *connector = &dp->connector;
+ int ret;
+
+ dp->encoder = encoder;
+
+ /* Pre-empt DP connector creation if there's a bridge */
+ ret = exynos_drm_attach_lcd_bridge(dp->drm_dev, encoder);
+ if (ret)
+ return 0;
+
+ connector->polled = DRM_CONNECTOR_POLL_HPD;
+
+ ret = drm_connector_init(dp->drm_dev, connector,
+ &exynos_dp_connector_funcs, DRM_MODE_CONNECTOR_eDP);
+ if (ret) {
+ DRM_ERROR("Failed to initialize connector with drm\n");
+ return ret;
+ }
+
+ drm_connector_helper_add(connector, &exynos_dp_connector_helper_funcs);
+ drm_sysfs_connector_add(connector);
+ drm_mode_connector_attach_encoder(connector, encoder);
+
+ return 0;
+}
+
+static void exynos_dp_phy_init(struct exynos_dp_device *dp)
+{
+ if (dp->phy) {
+ phy_power_on(dp->phy);
+ } else if (dp->phy_addr) {
+ u32 reg;
+
+ reg = __raw_readl(dp->phy_addr);
+ reg |= dp->enable_mask;
+ __raw_writel(reg, dp->phy_addr);
+ }
+}
+
+static void exynos_dp_phy_exit(struct exynos_dp_device *dp)
+{
+ if (dp->phy) {
+ phy_power_off(dp->phy);
+ } else if (dp->phy_addr) {
+ u32 reg;
+
+ reg = __raw_readl(dp->phy_addr);
+ reg &= ~(dp->enable_mask);
+ __raw_writel(reg, dp->phy_addr);
+ }
+}
+
+static void exynos_dp_poweron(struct exynos_dp_device *dp)
+{
+ if (dp->dpms_mode == DRM_MODE_DPMS_ON)
+ return;
+
+ clk_prepare_enable(dp->clock);
+ exynos_dp_phy_init(dp);
+ exynos_dp_init_dp(dp);
+ enable_irq(dp->irq);
+}
+
+static void exynos_dp_poweroff(struct exynos_dp_device *dp)
+{
+ if (dp->dpms_mode != DRM_MODE_DPMS_ON)
+ return;
+
+ disable_irq(dp->irq);
+ flush_work(&dp->hotplug_work);
+ exynos_dp_phy_exit(dp);
+ clk_disable_unprepare(dp->clock);
+}
+
+static void exynos_dp_dpms(struct exynos_drm_display *display, int mode)
+{
+ struct exynos_dp_device *dp = display->ctx;
+
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ exynos_dp_poweron(dp);
+ break;
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ case DRM_MODE_DPMS_OFF:
+ exynos_dp_poweroff(dp);
+ break;
+ default:
+ break;
+ };
+ dp->dpms_mode = mode;
+}
+
+static struct exynos_drm_display_ops exynos_dp_display_ops = {
+ .initialize = exynos_dp_initialize,
+ .create_connector = exynos_dp_create_connector,
+ .dpms = exynos_dp_dpms,
+};
+
+static struct exynos_drm_display exynos_dp_display = {
+ .type = EXYNOS_DISPLAY_TYPE_LCD,
+ .ops = &exynos_dp_display_ops,
+};
+
static struct video_info *exynos_dp_dt_parse_pdata(struct device *dev)
{
struct device_node *dp_node = dev->of_node;
@@ -994,30 +1217,17 @@ err:
return ret;
}
-static void exynos_dp_phy_init(struct exynos_dp_device *dp)
-{
- if (dp->phy) {
- phy_power_on(dp->phy);
- } else if (dp->phy_addr) {
- u32 reg;
-
- reg = __raw_readl(dp->phy_addr);
- reg |= dp->enable_mask;
- __raw_writel(reg, dp->phy_addr);
- }
-}
-
-static void exynos_dp_phy_exit(struct exynos_dp_device *dp)
+static int exynos_dp_dt_parse_panel(struct exynos_dp_device *dp)
{
- if (dp->phy) {
- phy_power_off(dp->phy);
- } else if (dp->phy_addr) {
- u32 reg;
+ int ret;
- reg = __raw_readl(dp->phy_addr);
- reg &= ~(dp->enable_mask);
- __raw_writel(reg, dp->phy_addr);
+ ret = of_get_videomode(dp->dev->of_node, &dp->panel.vm,
+ OF_USE_NATIVE_MODE);
+ if (ret) {
+ DRM_ERROR("failed: of_get_videomode() : %d\n", ret);
+ return ret;
}
+ return 0;
}
static int exynos_dp_probe(struct platform_device *pdev)
@@ -1035,6 +1245,7 @@ static int exynos_dp_probe(struct platform_device *pdev)
}
dp->dev = &pdev->dev;
+ dp->dpms_mode = DRM_MODE_DPMS_OFF;
dp->video_info = exynos_dp_dt_parse_pdata(&pdev->dev);
if (IS_ERR(dp->video_info))
@@ -1044,6 +1255,10 @@ static int exynos_dp_probe(struct platform_device *pdev)
if (ret)
return ret;
+ ret = exynos_dp_dt_parse_panel(dp);
+ if (ret)
+ return ret;
+
dp->clock = devm_clk_get(&pdev->dev, "dp");
if (IS_ERR(dp->clock)) {
dev_err(&pdev->dev, "failed to get clock\n");
@@ -1076,22 +1291,22 @@ static int exynos_dp_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "failed to request irq\n");
return ret;
}
+ disable_irq(dp->irq);
+
+ exynos_dp_display.ctx = dp;
- platform_set_drvdata(pdev, dp);
+ platform_set_drvdata(pdev, &exynos_dp_display);
+ exynos_drm_display_register(&exynos_dp_display);
return 0;
}
static int exynos_dp_remove(struct platform_device *pdev)
{
- struct exynos_dp_device *dp = platform_get_drvdata(pdev);
-
- flush_work(&dp->hotplug_work);
-
- exynos_dp_phy_exit(dp);
-
- clk_disable_unprepare(dp->clock);
+ struct exynos_drm_display *display = platform_get_drvdata(pdev);
+ exynos_dp_dpms(display, DRM_MODE_DPMS_OFF);
+ exynos_drm_display_unregister(&exynos_dp_display);
return 0;
}
@@ -1099,31 +1314,19 @@ static int exynos_dp_remove(struct platform_device *pdev)
#ifdef CONFIG_PM_SLEEP
static int exynos_dp_suspend(struct device *dev)
{
- struct exynos_dp_device *dp = dev_get_drvdata(dev);
-
- disable_irq(dp->irq);
-
- flush_work(&dp->hotplug_work);
-
- exynos_dp_phy_exit(dp);
-
- clk_disable_unprepare(dp->clock);
+ struct platform_device *pdev = to_platform_device(dev);
+ struct exynos_drm_display *display = platform_get_drvdata(pdev);
+ exynos_dp_dpms(display, DRM_MODE_DPMS_OFF);
return 0;
}
static int exynos_dp_resume(struct device *dev)
{
- struct exynos_dp_device *dp = dev_get_drvdata(dev);
-
- exynos_dp_phy_init(dp);
-
- clk_prepare_enable(dp->clock);
-
- exynos_dp_init_dp(dp);
-
- enable_irq(dp->irq);
+ struct platform_device *pdev = to_platform_device(dev);
+ struct exynos_drm_display *display = platform_get_drvdata(pdev);
+ exynos_dp_dpms(display, DRM_MODE_DPMS_ON);
return 0;
}
#endif
@@ -1138,7 +1341,7 @@ static const struct of_device_id exynos_dp_match[] = {
};
MODULE_DEVICE_TABLE(of, exynos_dp_match);
-static struct platform_driver exynos_dp_driver = {
+struct platform_driver dp_driver = {
.probe = exynos_dp_probe,
.remove = exynos_dp_remove,
.driver = {
@@ -1149,8 +1352,6 @@ static struct platform_driver exynos_dp_driver = {
},
};
-module_platform_driver(exynos_dp_driver);
-
MODULE_AUTHOR("Jingoo Han <[email protected]>");
MODULE_DESCRIPTION("Samsung SoC DP Driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/video/exynos/exynos_dp_core.h b/drivers/gpu/drm/exynos/exynos_dp_core.h
index 607e36d0c147..d6a900d4ee40 100644
--- a/drivers/video/exynos/exynos_dp_core.h
+++ b/drivers/gpu/drm/exynos/exynos_dp_core.h
@@ -13,6 +13,9 @@
#ifndef _EXYNOS_DP_CORE_H
#define _EXYNOS_DP_CORE_H
+#include <drm/drm_crtc.h>
+#include <drm/exynos_drm.h>
+
#define DP_TIMEOUT_LOOP_COUNT 100
#define MAX_CR_LOOP 5
#define MAX_EQ_LOOP 5
@@ -142,6 +145,9 @@ struct link_train {
struct exynos_dp_device {
struct device *dev;
+ struct drm_device *drm_dev;
+ struct drm_connector connector;
+ struct drm_encoder *encoder;
struct clk *clock;
unsigned int irq;
void __iomem *reg_base;
@@ -152,6 +158,9 @@ struct exynos_dp_device {
struct link_train link_train;
struct work_struct hotplug_work;
struct phy *phy;
+ int dpms_mode;
+
+ struct exynos_drm_panel_info panel;
};
/* exynos_dp_reg.c */
diff --git a/drivers/video/exynos/exynos_dp_reg.c b/drivers/gpu/drm/exynos/exynos_dp_reg.c
index b70da5052ff0..b70da5052ff0 100644
--- a/drivers/video/exynos/exynos_dp_reg.c
+++ b/drivers/gpu/drm/exynos/exynos_dp_reg.c
diff --git a/drivers/video/exynos/exynos_dp_reg.h b/drivers/gpu/drm/exynos/exynos_dp_reg.h
index 2e9bd0e0b9f2..2e9bd0e0b9f2 100644
--- a/drivers/video/exynos/exynos_dp_reg.h
+++ b/drivers/gpu/drm/exynos/exynos_dp_reg.h
diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c
index e082efb2fece..9a16dbe121d1 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c
@@ -23,27 +23,20 @@
drm_connector)
struct exynos_drm_connector {
- struct drm_connector drm_connector;
- uint32_t encoder_id;
- struct exynos_drm_manager *manager;
- uint32_t dpms;
+ struct drm_connector drm_connector;
+ uint32_t encoder_id;
+ struct exynos_drm_display *display;
};
static int exynos_drm_connector_get_modes(struct drm_connector *connector)
{
struct exynos_drm_connector *exynos_connector =
to_exynos_connector(connector);
- struct exynos_drm_manager *manager = exynos_connector->manager;
- struct exynos_drm_display_ops *display_ops = manager->display_ops;
+ struct exynos_drm_display *display = exynos_connector->display;
struct edid *edid = NULL;
unsigned int count = 0;
int ret;
- if (!display_ops) {
- DRM_DEBUG_KMS("display_ops is null.\n");
- return 0;
- }
-
/*
* if get_edid() exists then get_edid() callback of hdmi side
* is called to get edid data through i2c interface else
@@ -52,8 +45,8 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
* P.S. in case of lcd panel, count is always 1 if success
* because lcd panel has only one mode.
*/
- if (display_ops->get_edid) {
- edid = display_ops->get_edid(manager->dev, connector);
+ if (display->ops->get_edid) {
+ edid = display->ops->get_edid(display, connector);
if (IS_ERR_OR_NULL(edid)) {
ret = PTR_ERR(edid);
edid = NULL;
@@ -76,8 +69,8 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
return 0;
}
- if (display_ops->get_panel)
- panel = display_ops->get_panel(manager->dev);
+ if (display->ops->get_panel)
+ panel = display->ops->get_panel(display);
else {
drm_mode_destroy(connector->dev, mode);
return 0;
@@ -106,20 +99,20 @@ static int exynos_drm_connector_mode_valid(struct drm_connector *connector,
{
struct exynos_drm_connector *exynos_connector =
to_exynos_connector(connector);
- struct exynos_drm_manager *manager = exynos_connector->manager;
- struct exynos_drm_display_ops *display_ops = manager->display_ops;
+ struct exynos_drm_display *display = exynos_connector->display;
int ret = MODE_BAD;
DRM_DEBUG_KMS("%s\n", __FILE__);
- if (display_ops && display_ops->check_mode)
- if (!display_ops->check_mode(manager->dev, mode))
+ if (display->ops->check_mode)
+ if (!display->ops->check_mode(display, mode))
ret = MODE_OK;
return ret;
}
-struct drm_encoder *exynos_drm_best_encoder(struct drm_connector *connector)
+static struct drm_encoder *exynos_drm_best_encoder(
+ struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct exynos_drm_connector *exynos_connector =
@@ -146,48 +139,12 @@ static struct drm_connector_helper_funcs exynos_connector_helper_funcs = {
.best_encoder = exynos_drm_best_encoder,
};
-void exynos_drm_display_power(struct drm_connector *connector, int mode)
-{
- struct drm_encoder *encoder = exynos_drm_best_encoder(connector);
- struct exynos_drm_connector *exynos_connector;
- struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
- struct exynos_drm_display_ops *display_ops = manager->display_ops;
-
- exynos_connector = to_exynos_connector(connector);
-
- if (exynos_connector->dpms == mode) {
- DRM_DEBUG_KMS("desired dpms mode is same as previous one.\n");
- return;
- }
-
- if (display_ops && display_ops->power_on)
- display_ops->power_on(manager->dev, mode);
-
- exynos_connector->dpms = mode;
-}
-
-static void exynos_drm_connector_dpms(struct drm_connector *connector,
- int mode)
-{
- /*
- * in case that drm_crtc_helper_set_mode() is called,
- * encoder/crtc->funcs->dpms() will be just returned
- * because they already were DRM_MODE_DPMS_ON so only
- * exynos_drm_display_power() will be called.
- */
- drm_helper_connector_dpms(connector, mode);
-
- exynos_drm_display_power(connector, mode);
-
-}
-
static int exynos_drm_connector_fill_modes(struct drm_connector *connector,
unsigned int max_width, unsigned int max_height)
{
struct exynos_drm_connector *exynos_connector =
to_exynos_connector(connector);
- struct exynos_drm_manager *manager = exynos_connector->manager;
- struct exynos_drm_manager_ops *ops = manager->ops;
+ struct exynos_drm_display *display = exynos_connector->display;
unsigned int width, height;
width = max_width;
@@ -197,8 +154,8 @@ static int exynos_drm_connector_fill_modes(struct drm_connector *connector,
* if specific driver want to find desired_mode using maxmum
* resolution then get max width and height from that driver.
*/
- if (ops && ops->get_max_resol)
- ops->get_max_resol(manager->dev, &width, &height);
+ if (display->ops->get_max_resol)
+ display->ops->get_max_resol(display, &width, &height);
return drm_helper_probe_single_connector_modes(connector, width,
height);
@@ -210,13 +167,11 @@ exynos_drm_connector_detect(struct drm_connector *connector, bool force)
{
struct exynos_drm_connector *exynos_connector =
to_exynos_connector(connector);
- struct exynos_drm_manager *manager = exynos_connector->manager;
- struct exynos_drm_display_ops *display_ops =
- manager->display_ops;
+ struct exynos_drm_display *display = exynos_connector->display;
enum drm_connector_status status = connector_status_disconnected;
- if (display_ops && display_ops->is_connected) {
- if (display_ops->is_connected(manager->dev))
+ if (display->ops->is_connected) {
+ if (display->ops->is_connected(display))
status = connector_status_connected;
else
status = connector_status_disconnected;
@@ -236,7 +191,7 @@ static void exynos_drm_connector_destroy(struct drm_connector *connector)
}
static struct drm_connector_funcs exynos_connector_funcs = {
- .dpms = exynos_drm_connector_dpms,
+ .dpms = drm_helper_connector_dpms,
.fill_modes = exynos_drm_connector_fill_modes,
.detect = exynos_drm_connector_detect,
.destroy = exynos_drm_connector_destroy,
@@ -246,7 +201,7 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
struct drm_encoder *encoder)
{
struct exynos_drm_connector *exynos_connector;
- struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
+ struct exynos_drm_display *display = exynos_drm_get_display(encoder);
struct drm_connector *connector;
int type;
int err;
@@ -257,7 +212,7 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
connector = &exynos_connector->drm_connector;
- switch (manager->display_ops->type) {
+ switch (display->type) {
case EXYNOS_DISPLAY_TYPE_HDMI:
type = DRM_MODE_CONNECTOR_HDMIA;
connector->interlace_allowed = true;
@@ -280,8 +235,7 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
goto err_connector;
exynos_connector->encoder_id = encoder->base.id;
- exynos_connector->manager = manager;
- exynos_connector->dpms = DRM_MODE_DPMS_OFF;
+ exynos_connector->display = display;
connector->dpms = DRM_MODE_DPMS_OFF;
connector->encoder = encoder;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.h b/drivers/gpu/drm/exynos/exynos_drm_connector.h
index 547c6b590357..4eb20d78379a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_connector.h
@@ -17,8 +17,4 @@
struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
struct drm_encoder *encoder);
-struct drm_encoder *exynos_drm_best_encoder(struct drm_connector *connector);
-
-void exynos_drm_display_power(struct drm_connector *connector, int mode);
-
#endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_core.c b/drivers/gpu/drm/exynos/exynos_drm_core.c
index 1bef6dc77478..0e9e06ce36b8 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_core.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_core.c
@@ -14,43 +14,42 @@
#include <drm/drmP.h>
#include "exynos_drm_drv.h"
+#include "exynos_drm_crtc.h"
#include "exynos_drm_encoder.h"
-#include "exynos_drm_connector.h"
#include "exynos_drm_fbdev.h"
static LIST_HEAD(exynos_drm_subdrv_list);
+static LIST_HEAD(exynos_drm_manager_list);
+static LIST_HEAD(exynos_drm_display_list);
static int exynos_drm_create_enc_conn(struct drm_device *dev,
- struct exynos_drm_subdrv *subdrv)
+ struct exynos_drm_display *display)
{
struct drm_encoder *encoder;
- struct drm_connector *connector;
+ struct exynos_drm_manager *manager;
int ret;
+ unsigned long possible_crtcs = 0;
- subdrv->manager->dev = subdrv->dev;
+ /* Find possible crtcs for this display */
+ list_for_each_entry(manager, &exynos_drm_manager_list, list)
+ if (manager->type == display->type)
+ possible_crtcs |= 1 << manager->pipe;
/* create and initialize a encoder for this sub driver. */
- encoder = exynos_drm_encoder_create(dev, subdrv->manager,
- (1 << MAX_CRTC) - 1);
+ encoder = exynos_drm_encoder_create(dev, display, possible_crtcs);
if (!encoder) {
DRM_ERROR("failed to create encoder\n");
return -EFAULT;
}
- /*
- * create and initialize a connector for this sub driver and
- * attach the encoder created above to the connector.
- */
- connector = exynos_drm_connector_create(dev, encoder);
- if (!connector) {
- DRM_ERROR("failed to create connector\n");
- ret = -EFAULT;
+ display->encoder = encoder;
+
+ ret = display->ops->create_connector(display, encoder);
+ if (ret) {
+ DRM_ERROR("failed to create connector ret = %d\n", ret);
goto err_destroy_encoder;
}
- subdrv->encoder = encoder;
- subdrv->connector = connector;
-
return 0;
err_destroy_encoder:
@@ -58,21 +57,6 @@ err_destroy_encoder:
return ret;
}
-static void exynos_drm_destroy_enc_conn(struct exynos_drm_subdrv *subdrv)
-{
- if (subdrv->encoder) {
- struct drm_encoder *encoder = subdrv->encoder;
- encoder->funcs->destroy(encoder);
- subdrv->encoder = NULL;
- }
-
- if (subdrv->connector) {
- struct drm_connector *connector = subdrv->connector;
- connector->funcs->destroy(connector);
- subdrv->connector = NULL;
- }
-}
-
static int exynos_drm_subdrv_probe(struct drm_device *dev,
struct exynos_drm_subdrv *subdrv)
{
@@ -104,10 +88,98 @@ static void exynos_drm_subdrv_remove(struct drm_device *dev,
subdrv->remove(dev, subdrv->dev);
}
+int exynos_drm_initialize_managers(struct drm_device *dev)
+{
+ struct exynos_drm_manager *manager, *n;
+ int ret, pipe = 0;
+
+ list_for_each_entry(manager, &exynos_drm_manager_list, list) {
+ if (manager->ops->initialize) {
+ ret = manager->ops->initialize(manager, dev, pipe);
+ if (ret) {
+ DRM_ERROR("Mgr init [%d] failed with %d\n",
+ manager->type, ret);
+ goto err;
+ }
+ }
+
+ manager->drm_dev = dev;
+ manager->pipe = pipe++;
+
+ ret = exynos_drm_crtc_create(manager);
+ if (ret) {
+ DRM_ERROR("CRTC create [%d] failed with %d\n",
+ manager->type, ret);
+ goto err;
+ }
+ }
+ return 0;
+
+err:
+ list_for_each_entry_safe(manager, n, &exynos_drm_manager_list, list) {
+ if (pipe-- > 0)
+ exynos_drm_manager_unregister(manager);
+ else
+ list_del(&manager->list);
+ }
+ return ret;
+}
+
+void exynos_drm_remove_managers(struct drm_device *dev)
+{
+ struct exynos_drm_manager *manager, *n;
+
+ list_for_each_entry_safe(manager, n, &exynos_drm_manager_list, list)
+ exynos_drm_manager_unregister(manager);
+}
+
+int exynos_drm_initialize_displays(struct drm_device *dev)
+{
+ struct exynos_drm_display *display, *n;
+ int ret, initialized = 0;
+
+ list_for_each_entry(display, &exynos_drm_display_list, list) {
+ if (display->ops->initialize) {
+ ret = display->ops->initialize(display, dev);
+ if (ret) {
+ DRM_ERROR("Display init [%d] failed with %d\n",
+ display->type, ret);
+ goto err;
+ }
+ }
+
+ initialized++;
+
+ ret = exynos_drm_create_enc_conn(dev, display);
+ if (ret) {
+ DRM_ERROR("Encoder create [%d] failed with %d\n",
+ display->type, ret);
+ goto err;
+ }
+ }
+ return 0;
+
+err:
+ list_for_each_entry_safe(display, n, &exynos_drm_display_list, list) {
+ if (initialized-- > 0)
+ exynos_drm_display_unregister(display);
+ else
+ list_del(&display->list);
+ }
+ return ret;
+}
+
+void exynos_drm_remove_displays(struct drm_device *dev)
+{
+ struct exynos_drm_display *display, *n;
+
+ list_for_each_entry_safe(display, n, &exynos_drm_display_list, list)
+ exynos_drm_display_unregister(display);
+}
+
int exynos_drm_device_register(struct drm_device *dev)
{
struct exynos_drm_subdrv *subdrv, *n;
- unsigned int fine_cnt = 0;
int err;
if (!dev)
@@ -120,30 +192,8 @@ int exynos_drm_device_register(struct drm_device *dev)
list_del(&subdrv->list);
continue;
}
-
- /*
- * if manager is null then it means that this sub driver
- * doesn't need encoder and connector.
- */
- if (!subdrv->manager) {
- fine_cnt++;
- continue;
- }
-
- err = exynos_drm_create_enc_conn(dev, subdrv);
- if (err) {
- DRM_DEBUG("failed to create encoder and connector.\n");
- exynos_drm_subdrv_remove(dev, subdrv);
- list_del(&subdrv->list);
- continue;
- }
-
- fine_cnt++;
}
- if (!fine_cnt)
- return -EINVAL;
-
return 0;
}
EXPORT_SYMBOL_GPL(exynos_drm_device_register);
@@ -159,13 +209,44 @@ int exynos_drm_device_unregister(struct drm_device *dev)
list_for_each_entry(subdrv, &exynos_drm_subdrv_list, list) {
exynos_drm_subdrv_remove(dev, subdrv);
- exynos_drm_destroy_enc_conn(subdrv);
}
return 0;
}
EXPORT_SYMBOL_GPL(exynos_drm_device_unregister);
+int exynos_drm_manager_register(struct exynos_drm_manager *manager)
+{
+ BUG_ON(!manager->ops);
+ list_add_tail(&manager->list, &exynos_drm_manager_list);
+ return 0;
+}
+
+int exynos_drm_manager_unregister(struct exynos_drm_manager *manager)
+{
+ if (manager->ops->remove)
+ manager->ops->remove(manager);
+
+ list_del(&manager->list);
+ return 0;
+}
+
+int exynos_drm_display_register(struct exynos_drm_display *display)
+{
+ BUG_ON(!display->ops);
+ list_add_tail(&display->list, &exynos_drm_display_list);
+ return 0;
+}
+
+int exynos_drm_display_unregister(struct exynos_drm_display *display)
+{
+ if (display->ops->remove)
+ display->ops->remove(display);
+
+ list_del(&display->list);
+ return 0;
+}
+
int exynos_drm_subdrv_register(struct exynos_drm_subdrv *subdrv)
{
if (!subdrv)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index 6f3400f3978a..9cc92ae6b710 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -33,6 +33,7 @@ enum exynos_crtc_mode {
*
* @drm_crtc: crtc object.
* @drm_plane: pointer of private plane object for this crtc
+ * @manager: the manager associated with this crtc
* @pipe: a crtc index created at load() with a new crtc object creation
* and the crtc object would be set to private->crtc array
* to get a crtc object corresponding to this pipe from private->crtc
@@ -46,6 +47,7 @@ enum exynos_crtc_mode {
struct exynos_drm_crtc {
struct drm_crtc drm_crtc;
struct drm_plane *plane;
+ struct exynos_drm_manager *manager;
unsigned int pipe;
unsigned int dpms;
enum exynos_crtc_mode mode;
@@ -56,6 +58,7 @@ struct exynos_drm_crtc {
static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode)
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+ struct exynos_drm_manager *manager = exynos_crtc->manager;
DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode);
@@ -71,7 +74,9 @@ static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode)
drm_vblank_off(crtc->dev, exynos_crtc->pipe);
}
- exynos_drm_fn_encoder(crtc, &mode, exynos_drm_encoder_crtc_dpms);
+ if (manager->ops->dpms)
+ manager->ops->dpms(manager, mode);
+
exynos_crtc->dpms = mode;
}
@@ -83,9 +88,15 @@ static void exynos_drm_crtc_prepare(struct drm_crtc *crtc)
static void exynos_drm_crtc_commit(struct drm_crtc *crtc)
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+ struct exynos_drm_manager *manager = exynos_crtc->manager;
exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
+
exynos_plane_commit(exynos_crtc->plane);
+
+ if (manager->ops->commit)
+ manager->ops->commit(manager);
+
exynos_plane_dpms(exynos_crtc->plane, DRM_MODE_DPMS_ON);
}
@@ -94,7 +105,12 @@ exynos_drm_crtc_mode_fixup(struct drm_crtc *crtc,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
- /* drm framework doesn't check NULL */
+ struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+ struct exynos_drm_manager *manager = exynos_crtc->manager;
+
+ if (manager->ops->mode_fixup)
+ return manager->ops->mode_fixup(manager, mode, adjusted_mode);
+
return true;
}
@@ -104,10 +120,10 @@ exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
struct drm_framebuffer *old_fb)
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+ struct exynos_drm_manager *manager = exynos_crtc->manager;
struct drm_plane *plane = exynos_crtc->plane;
unsigned int crtc_w;
unsigned int crtc_h;
- int pipe = exynos_crtc->pipe;
int ret;
/*
@@ -119,6 +135,9 @@ exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
crtc_w = crtc->fb->width - x;
crtc_h = crtc->fb->height - y;
+ if (manager->ops->mode_set)
+ manager->ops->mode_set(manager, &crtc->mode);
+
ret = exynos_plane_mode_set(plane, crtc, crtc->fb, 0, 0, crtc_w, crtc_h,
x, y, crtc_w, crtc_h);
if (ret)
@@ -127,8 +146,6 @@ exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
plane->crtc = crtc;
plane->fb = crtc->fb;
- exynos_drm_fn_encoder(crtc, &pipe, exynos_drm_encoder_crtc_pipe);
-
return 0;
}
@@ -168,10 +185,19 @@ static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
static void exynos_drm_crtc_disable(struct drm_crtc *crtc)
{
- struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+ struct drm_plane *plane;
+ int ret;
- exynos_plane_dpms(exynos_crtc->plane, DRM_MODE_DPMS_OFF);
exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
+
+ list_for_each_entry(plane, &crtc->dev->mode_config.plane_list, head) {
+ if (plane->crtc != crtc)
+ continue;
+
+ ret = plane->funcs->disable_plane(plane);
+ if (ret)
+ DRM_ERROR("Failed to disable plane %d\n", ret);
+ }
}
static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = {
@@ -318,21 +344,24 @@ static void exynos_drm_crtc_attach_mode_property(struct drm_crtc *crtc)
drm_object_attach_property(&crtc->base, prop, 0);
}
-int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr)
+int exynos_drm_crtc_create(struct exynos_drm_manager *manager)
{
struct exynos_drm_crtc *exynos_crtc;
- struct exynos_drm_private *private = dev->dev_private;
+ struct exynos_drm_private *private = manager->drm_dev->dev_private;
struct drm_crtc *crtc;
exynos_crtc = kzalloc(sizeof(*exynos_crtc), GFP_KERNEL);
if (!exynos_crtc)
return -ENOMEM;
- exynos_crtc->pipe = nr;
- exynos_crtc->dpms = DRM_MODE_DPMS_OFF;
init_waitqueue_head(&exynos_crtc->pending_flip_queue);
atomic_set(&exynos_crtc->pending_flip, 0);
- exynos_crtc->plane = exynos_plane_init(dev, 1 << nr, true);
+
+ exynos_crtc->dpms = DRM_MODE_DPMS_OFF;
+ exynos_crtc->manager = manager;
+ exynos_crtc->pipe = manager->pipe;
+ exynos_crtc->plane = exynos_plane_init(manager->drm_dev,
+ 1 << manager->pipe, true);
if (!exynos_crtc->plane) {
kfree(exynos_crtc);
return -ENOMEM;
@@ -340,9 +369,9 @@ int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr)
crtc = &exynos_crtc->drm_crtc;
- private->crtc[nr] = crtc;
+ private->crtc[manager->pipe] = crtc;
- drm_crtc_init(dev, crtc, &exynos_crtc_funcs);
+ drm_crtc_init(manager->drm_dev, crtc, &exynos_crtc_funcs);
drm_crtc_helper_add(crtc, &exynos_crtc_helper_funcs);
exynos_drm_crtc_attach_mode_property(crtc);
@@ -350,39 +379,41 @@ int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr)
return 0;
}
-int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc)
+int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int pipe)
{
struct exynos_drm_private *private = dev->dev_private;
struct exynos_drm_crtc *exynos_crtc =
- to_exynos_crtc(private->crtc[crtc]);
+ to_exynos_crtc(private->crtc[pipe]);
+ struct exynos_drm_manager *manager = exynos_crtc->manager;
if (exynos_crtc->dpms != DRM_MODE_DPMS_ON)
return -EPERM;
- exynos_drm_fn_encoder(private->crtc[crtc], &crtc,
- exynos_drm_enable_vblank);
+ if (manager->ops->enable_vblank)
+ manager->ops->enable_vblank(manager);
return 0;
}
-void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc)
+void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int pipe)
{
struct exynos_drm_private *private = dev->dev_private;
struct exynos_drm_crtc *exynos_crtc =
- to_exynos_crtc(private->crtc[crtc]);
+ to_exynos_crtc(private->crtc[pipe]);
+ struct exynos_drm_manager *manager = exynos_crtc->manager;
if (exynos_crtc->dpms != DRM_MODE_DPMS_ON)
return;
- exynos_drm_fn_encoder(private->crtc[crtc], &crtc,
- exynos_drm_disable_vblank);
+ if (manager->ops->disable_vblank)
+ manager->ops->disable_vblank(manager);
}
-void exynos_drm_crtc_finish_pageflip(struct drm_device *dev, int crtc)
+void exynos_drm_crtc_finish_pageflip(struct drm_device *dev, int pipe)
{
struct exynos_drm_private *dev_priv = dev->dev_private;
struct drm_pending_vblank_event *e, *t;
- struct drm_crtc *drm_crtc = dev_priv->crtc[crtc];
+ struct drm_crtc *drm_crtc = dev_priv->crtc[pipe];
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(drm_crtc);
unsigned long flags;
@@ -391,15 +422,71 @@ void exynos_drm_crtc_finish_pageflip(struct drm_device *dev, int crtc)
list_for_each_entry_safe(e, t, &dev_priv->pageflip_event_list,
base.link) {
/* if event's pipe isn't same as crtc then ignore it. */
- if (crtc != e->pipe)
+ if (pipe != e->pipe)
continue;
list_del(&e->base.link);
drm_send_vblank_event(dev, -1, e);
- drm_vblank_put(dev, crtc);
+ drm_vblank_put(dev, pipe);
atomic_set(&exynos_crtc->pending_flip, 0);
wake_up(&exynos_crtc->pending_flip_queue);
}
spin_unlock_irqrestore(&dev->event_lock, flags);
}
+
+void exynos_drm_crtc_plane_mode_set(struct drm_crtc *crtc,
+ struct exynos_drm_overlay *overlay)
+{
+ struct exynos_drm_manager *manager = to_exynos_crtc(crtc)->manager;
+
+ if (manager->ops->win_mode_set)
+ manager->ops->win_mode_set(manager, overlay);
+}
+
+void exynos_drm_crtc_plane_commit(struct drm_crtc *crtc, int zpos)
+{
+ struct exynos_drm_manager *manager = to_exynos_crtc(crtc)->manager;
+
+ if (manager->ops->win_commit)
+ manager->ops->win_commit(manager, zpos);
+}
+
+void exynos_drm_crtc_plane_enable(struct drm_crtc *crtc, int zpos)
+{
+ struct exynos_drm_manager *manager = to_exynos_crtc(crtc)->manager;
+
+ if (manager->ops->win_enable)
+ manager->ops->win_enable(manager, zpos);
+}
+
+void exynos_drm_crtc_plane_disable(struct drm_crtc *crtc, int zpos)
+{
+ struct exynos_drm_manager *manager = to_exynos_crtc(crtc)->manager;
+
+ if (manager->ops->win_disable)
+ manager->ops->win_disable(manager, zpos);
+}
+
+void exynos_drm_crtc_complete_scanout(struct drm_framebuffer *fb)
+{
+ struct exynos_drm_manager *manager;
+ struct drm_device *dev = fb->dev;
+ struct drm_crtc *crtc;
+
+ /*
+ * make sure that overlay data are updated to real hardware
+ * for all encoders.
+ */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ manager = to_exynos_crtc(crtc)->manager;
+
+ /*
+ * wait for vblank interrupt
+ * - this makes sure that overlay data are updated to
+ * real hardware.
+ */
+ if (manager->ops->wait_for_vblank)
+ manager->ops->wait_for_vblank(manager);
+ }
+}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.h b/drivers/gpu/drm/exynos/exynos_drm_crtc.h
index 3e197e6ae7d9..c27b66cc5d24 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.h
@@ -15,9 +15,21 @@
#ifndef _EXYNOS_DRM_CRTC_H_
#define _EXYNOS_DRM_CRTC_H_
-int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr);
-int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc);
-void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc);
-void exynos_drm_crtc_finish_pageflip(struct drm_device *dev, int crtc);
+struct drm_device;
+struct drm_crtc;
+struct exynos_drm_manager;
+struct exynos_drm_overlay;
+
+int exynos_drm_crtc_create(struct exynos_drm_manager *manager);
+int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int pipe);
+void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int pipe);
+void exynos_drm_crtc_finish_pageflip(struct drm_device *dev, int pipe);
+void exynos_drm_crtc_complete_scanout(struct drm_framebuffer *fb);
+
+void exynos_drm_crtc_plane_mode_set(struct drm_crtc *crtc,
+ struct exynos_drm_overlay *overlay);
+void exynos_drm_crtc_plane_commit(struct drm_crtc *crtc, int zpos);
+void exynos_drm_crtc_plane_enable(struct drm_crtc *crtc, int zpos);
+void exynos_drm_crtc_plane_disable(struct drm_crtc *crtc, int zpos);
#endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dpi.c b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
new file mode 100644
index 000000000000..2b09c7c0bfcc
--- /dev/null
+++ b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
@@ -0,0 +1,339 @@
+/*
+ * Exynos DRM Parallel output support.
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd
+ *
+ * Contacts: Andrzej Hajda <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_panel.h>
+
+#include <linux/regulator/consumer.h>
+
+#include <video/of_videomode.h>
+#include <video/videomode.h>
+
+#include "exynos_drm_drv.h"
+
+struct exynos_dpi {
+ struct device *dev;
+ struct device_node *panel_node;
+
+ struct drm_panel *panel;
+ struct drm_connector connector;
+ struct drm_encoder *encoder;
+
+ struct videomode *vm;
+ int dpms_mode;
+};
+
+#define connector_to_dpi(c) container_of(c, struct exynos_dpi, connector)
+
+static enum drm_connector_status
+exynos_dpi_detect(struct drm_connector *connector, bool force)
+{
+ struct exynos_dpi *ctx = connector_to_dpi(connector);
+
+ /* panels supported only by boot-loader are always connected */
+ if (!ctx->panel_node)
+ return connector_status_connected;
+
+ if (!ctx->panel) {
+ ctx->panel = of_drm_find_panel(ctx->panel_node);
+ if (ctx->panel)
+ drm_panel_attach(ctx->panel, &ctx->connector);
+ }
+
+ if (ctx->panel)
+ return connector_status_connected;
+
+ return connector_status_disconnected;
+}
+
+static void exynos_dpi_connector_destroy(struct drm_connector *connector)
+{
+ drm_sysfs_connector_remove(connector);
+ drm_connector_cleanup(connector);
+}
+
+static struct drm_connector_funcs exynos_dpi_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .detect = exynos_dpi_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .destroy = exynos_dpi_connector_destroy,
+};
+
+static int exynos_dpi_get_modes(struct drm_connector *connector)
+{
+ struct exynos_dpi *ctx = connector_to_dpi(connector);
+
+ /* fimd timings gets precedence over panel modes */
+ if (ctx->vm) {
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_create(connector->dev);
+ if (!mode) {
+ DRM_ERROR("failed to create a new display mode\n");
+ return 0;
+ }
+ drm_display_mode_from_videomode(ctx->vm, mode);
+ mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+ drm_mode_probed_add(connector, mode);
+ return 1;
+ }
+
+ if (ctx->panel)
+ return ctx->panel->funcs->get_modes(ctx->panel);
+
+ return 0;
+}
+
+static int exynos_dpi_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ return MODE_OK;
+}
+
+static struct drm_encoder *
+exynos_dpi_best_encoder(struct drm_connector *connector)
+{
+ struct exynos_dpi *ctx = connector_to_dpi(connector);
+
+ return ctx->encoder;
+}
+
+static struct drm_connector_helper_funcs exynos_dpi_connector_helper_funcs = {
+ .get_modes = exynos_dpi_get_modes,
+ .mode_valid = exynos_dpi_mode_valid,
+ .best_encoder = exynos_dpi_best_encoder,
+};
+
+static int exynos_dpi_create_connector(struct exynos_drm_display *display,
+ struct drm_encoder *encoder)
+{
+ struct exynos_dpi *ctx = display->ctx;
+ struct drm_connector *connector = &ctx->connector;
+ int ret;
+
+ ctx->encoder = encoder;
+
+ if (ctx->panel_node)
+ connector->polled = DRM_CONNECTOR_POLL_CONNECT;
+ else
+ connector->polled = DRM_CONNECTOR_POLL_HPD;
+
+ ret = drm_connector_init(encoder->dev, connector,
+ &exynos_dpi_connector_funcs,
+ DRM_MODE_CONNECTOR_VGA);
+ if (ret) {
+ DRM_ERROR("failed to initialize connector with drm\n");
+ return ret;
+ }
+
+ drm_connector_helper_add(connector, &exynos_dpi_connector_helper_funcs);
+ drm_sysfs_connector_add(connector);
+ drm_mode_connector_attach_encoder(connector, encoder);
+
+ return 0;
+}
+
+static void exynos_dpi_poweron(struct exynos_dpi *ctx)
+{
+ if (ctx->panel)
+ drm_panel_enable(ctx->panel);
+}
+
+static void exynos_dpi_poweroff(struct exynos_dpi *ctx)
+{
+ if (ctx->panel)
+ drm_panel_disable(ctx->panel);
+}
+
+static void exynos_dpi_dpms(struct exynos_drm_display *display, int mode)
+{
+ struct exynos_dpi *ctx = display->ctx;
+
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ if (ctx->dpms_mode != DRM_MODE_DPMS_ON)
+ exynos_dpi_poweron(ctx);
+ break;
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ case DRM_MODE_DPMS_OFF:
+ if (ctx->dpms_mode == DRM_MODE_DPMS_ON)
+ exynos_dpi_poweroff(ctx);
+ break;
+ default:
+ break;
+ };
+ ctx->dpms_mode = mode;
+}
+
+static struct exynos_drm_display_ops exynos_dpi_display_ops = {
+ .create_connector = exynos_dpi_create_connector,
+ .dpms = exynos_dpi_dpms
+};
+
+static struct exynos_drm_display exynos_dpi_display = {
+ .type = EXYNOS_DISPLAY_TYPE_LCD,
+ .ops = &exynos_dpi_display_ops,
+};
+
+/* of_* functions will be removed after merge of of_graph patches */
+static struct device_node *
+of_get_child_by_name_reg(struct device_node *parent, const char *name, u32 reg)
+{
+ struct device_node *np;
+
+ for_each_child_of_node(parent, np) {
+ u32 r;
+
+ if (!np->name || of_node_cmp(np->name, name))
+ continue;
+
+ if (of_property_read_u32(np, "reg", &r) < 0)
+ r = 0;
+
+ if (reg == r)
+ break;
+ }
+
+ return np;
+}
+
+static struct device_node *of_graph_get_port_by_reg(struct device_node *parent,
+ u32 reg)
+{
+ struct device_node *ports, *port;
+
+ ports = of_get_child_by_name(parent, "ports");
+ if (ports)
+ parent = ports;
+
+ port = of_get_child_by_name_reg(parent, "port", reg);
+
+ of_node_put(ports);
+
+ return port;
+}
+
+static struct device_node *
+of_graph_get_endpoint_by_reg(struct device_node *port, u32 reg)
+{
+ return of_get_child_by_name_reg(port, "endpoint", reg);
+}
+
+static struct device_node *
+of_graph_get_remote_port_parent(const struct device_node *node)
+{
+ struct device_node *np;
+ unsigned int depth;
+
+ np = of_parse_phandle(node, "remote-endpoint", 0);
+
+ /* Walk 3 levels up only if there is 'ports' node. */
+ for (depth = 3; depth && np; depth--) {
+ np = of_get_next_parent(np);
+ if (depth == 2 && of_node_cmp(np->name, "ports"))
+ break;
+ }
+ return np;
+}
+
+enum {
+ FIMD_PORT_IN0,
+ FIMD_PORT_IN1,
+ FIMD_PORT_IN2,
+ FIMD_PORT_RGB,
+ FIMD_PORT_WRB,
+};
+
+static struct device_node *exynos_dpi_of_find_panel_node(struct device *dev)
+{
+ struct device_node *np, *ep;
+
+ np = of_graph_get_port_by_reg(dev->of_node, FIMD_PORT_RGB);
+ if (!np)
+ return NULL;
+
+ ep = of_graph_get_endpoint_by_reg(np, 0);
+ of_node_put(np);
+ if (!ep)
+ return NULL;
+
+ np = of_graph_get_remote_port_parent(ep);
+ of_node_put(ep);
+
+ return np;
+}
+
+static int exynos_dpi_parse_dt(struct exynos_dpi *ctx)
+{
+ struct device *dev = ctx->dev;
+ struct device_node *dn = dev->of_node;
+ struct device_node *np;
+
+ ctx->panel_node = exynos_dpi_of_find_panel_node(dev);
+
+ np = of_get_child_by_name(dn, "display-timings");
+ if (np) {
+ struct videomode *vm;
+ int ret;
+
+ of_node_put(np);
+
+ vm = devm_kzalloc(dev, sizeof(*ctx->vm), GFP_KERNEL);
+ if (!vm)
+ return -ENOMEM;
+
+ ret = of_get_videomode(dn, vm, 0);
+ if (ret < 0)
+ return ret;
+
+ ctx->vm = vm;
+
+ return 0;
+ }
+
+ if (!ctx->panel_node)
+ return -EINVAL;
+
+ return 0;
+}
+
+int exynos_dpi_probe(struct device *dev)
+{
+ struct exynos_dpi *ctx;
+ int ret;
+
+ ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return -ENOMEM;
+
+ ctx->dev = dev;
+ exynos_dpi_display.ctx = ctx;
+ ctx->dpms_mode = DRM_MODE_DPMS_OFF;
+
+ ret = exynos_dpi_parse_dt(ctx);
+ if (ret < 0)
+ return ret;
+
+ exynos_drm_display_register(&exynos_dpi_display);
+
+ return 0;
+}
+
+int exynos_dpi_remove(struct device *dev)
+{
+ exynos_dpi_dpms(&exynos_dpi_display, DRM_MODE_DPMS_OFF);
+ exynos_drm_display_unregister(&exynos_dpi_display);
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 215131ab1dd2..771c87e90a2f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -11,6 +11,7 @@
* option) any later version.
*/
+#include <linux/pm_runtime.h>
#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
@@ -53,6 +54,7 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
return -ENOMEM;
INIT_LIST_HEAD(&private->pageflip_event_list);
+ dev_set_drvdata(dev->dev, dev);
dev->dev_private = (void *)private;
/*
@@ -64,38 +66,36 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
ret = drm_create_iommu_mapping(dev);
if (ret < 0) {
DRM_ERROR("failed to create iommu mapping.\n");
- goto err_crtc;
+ goto err_free_private;
}
drm_mode_config_init(dev);
- /* init kms poll for handling hpd */
- drm_kms_helper_poll_init(dev);
-
exynos_drm_mode_config_init(dev);
- /*
- * EXYNOS4 is enough to have two CRTCs and each crtc would be used
- * without dependency of hardware.
- */
- for (nr = 0; nr < MAX_CRTC; nr++) {
- ret = exynos_drm_crtc_create(dev, nr);
- if (ret)
- goto err_release_iommu_mapping;
- }
+ ret = exynos_drm_initialize_managers(dev);
+ if (ret)
+ goto err_mode_config_cleanup;
for (nr = 0; nr < MAX_PLANE; nr++) {
struct drm_plane *plane;
- unsigned int possible_crtcs = (1 << MAX_CRTC) - 1;
+ unsigned long possible_crtcs = (1 << MAX_CRTC) - 1;
plane = exynos_plane_init(dev, possible_crtcs, false);
if (!plane)
- goto err_release_iommu_mapping;
+ goto err_manager_cleanup;
}
+ ret = exynos_drm_initialize_displays(dev);
+ if (ret)
+ goto err_manager_cleanup;
+
+ /* init kms poll for handling hpd */
+ drm_kms_helper_poll_init(dev);
+
ret = drm_vblank_init(dev, MAX_CRTC);
if (ret)
- goto err_release_iommu_mapping;
+ goto err_display_cleanup;
/*
* probe sub drivers such as display controller and hdmi driver,
@@ -109,30 +109,25 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
/* setup possible_clones. */
exynos_drm_encoder_setup(dev);
- /*
- * create and configure fb helper and also exynos specific
- * fbdev object.
- */
- ret = exynos_drm_fbdev_init(dev);
- if (ret) {
- DRM_ERROR("failed to initialize drm fbdev\n");
- goto err_drm_device;
- }
-
drm_vblank_offdelay = VBLANK_OFF_DELAY;
platform_set_drvdata(dev->platformdev, dev);
+ /* force connectors detection */
+ drm_helper_hpd_irq_event(dev);
+
return 0;
-err_drm_device:
- exynos_drm_device_unregister(dev);
err_vblank:
drm_vblank_cleanup(dev);
-err_release_iommu_mapping:
- drm_release_iommu_mapping(dev);
-err_crtc:
+err_display_cleanup:
+ exynos_drm_remove_displays(dev);
+err_manager_cleanup:
+ exynos_drm_remove_managers(dev);
+err_mode_config_cleanup:
drm_mode_config_cleanup(dev);
+ drm_release_iommu_mapping(dev);
+err_free_private:
kfree(private);
return ret;
@@ -144,6 +139,8 @@ static int exynos_drm_unload(struct drm_device *dev)
exynos_drm_device_unregister(dev);
drm_vblank_cleanup(dev);
drm_kms_helper_poll_fini(dev);
+ exynos_drm_remove_displays(dev);
+ exynos_drm_remove_managers(dev);
drm_mode_config_cleanup(dev);
drm_release_iommu_mapping(dev);
@@ -158,6 +155,41 @@ static const struct file_operations exynos_drm_gem_fops = {
.mmap = exynos_drm_gem_mmap_buffer,
};
+static int exynos_drm_suspend(struct drm_device *dev, pm_message_t state)
+{
+ struct drm_connector *connector;
+
+ drm_modeset_lock_all(dev);
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ int old_dpms = connector->dpms;
+
+ if (connector->funcs->dpms)
+ connector->funcs->dpms(connector, DRM_MODE_DPMS_OFF);
+
+ /* Set the old mode back to the connector for resume */
+ connector->dpms = old_dpms;
+ }
+ drm_modeset_unlock_all(dev);
+
+ return 0;
+}
+
+static int exynos_drm_resume(struct drm_device *dev)
+{
+ struct drm_connector *connector;
+
+ drm_modeset_lock_all(dev);
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ if (connector->funcs->dpms)
+ connector->funcs->dpms(connector, connector->dpms);
+ }
+
+ drm_helper_resume_force_mode(dev);
+ drm_modeset_unlock_all(dev);
+
+ return 0;
+}
+
static int exynos_drm_open(struct drm_device *dev, struct drm_file *file)
{
struct drm_exynos_file_private *file_priv;
@@ -172,20 +204,24 @@ static int exynos_drm_open(struct drm_device *dev, struct drm_file *file)
ret = exynos_drm_subdrv_open(dev, file);
if (ret)
- goto out;
+ goto err_file_priv_free;
anon_filp = anon_inode_getfile("exynos_gem", &exynos_drm_gem_fops,
NULL, 0);
if (IS_ERR(anon_filp)) {
ret = PTR_ERR(anon_filp);
- goto out;
+ goto err_subdrv_close;
}
anon_filp->f_mode = FMODE_READ | FMODE_WRITE;
file_priv->anon_filp = anon_filp;
return ret;
-out:
+
+err_subdrv_close:
+ exynos_drm_subdrv_close(dev, file);
+
+err_file_priv_free:
kfree(file_priv);
file->driver_priv = NULL;
return ret;
@@ -291,6 +327,8 @@ static struct drm_driver exynos_drm_driver = {
DRIVER_GEM | DRIVER_PRIME,
.load = exynos_drm_load,
.unload = exynos_drm_unload,
+ .suspend = exynos_drm_suspend,
+ .resume = exynos_drm_resume,
.open = exynos_drm_open,
.preclose = exynos_drm_preclose,
.lastclose = exynos_drm_lastclose,
@@ -325,6 +363,9 @@ static int exynos_drm_platform_probe(struct platform_device *pdev)
if (ret)
return ret;
+ pm_runtime_enable(&pdev->dev);
+ pm_runtime_get_sync(&pdev->dev);
+
return drm_platform_init(&exynos_drm_driver, pdev);
}
@@ -335,12 +376,67 @@ static int exynos_drm_platform_remove(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_PM_SLEEP
+static int exynos_drm_sys_suspend(struct device *dev)
+{
+ struct drm_device *drm_dev = dev_get_drvdata(dev);
+ pm_message_t message;
+
+ if (pm_runtime_suspended(dev))
+ return 0;
+
+ message.event = PM_EVENT_SUSPEND;
+ return exynos_drm_suspend(drm_dev, message);
+}
+
+static int exynos_drm_sys_resume(struct device *dev)
+{
+ struct drm_device *drm_dev = dev_get_drvdata(dev);
+
+ if (pm_runtime_suspended(dev))
+ return 0;
+
+ return exynos_drm_resume(drm_dev);
+}
+#endif
+
+#ifdef CONFIG_PM_RUNTIME
+static int exynos_drm_runtime_suspend(struct device *dev)
+{
+ struct drm_device *drm_dev = dev_get_drvdata(dev);
+ pm_message_t message;
+
+ if (pm_runtime_suspended(dev))
+ return 0;
+
+ message.event = PM_EVENT_SUSPEND;
+ return exynos_drm_suspend(drm_dev, message);
+}
+
+static int exynos_drm_runtime_resume(struct device *dev)
+{
+ struct drm_device *drm_dev = dev_get_drvdata(dev);
+
+ if (!pm_runtime_suspended(dev))
+ return 0;
+
+ return exynos_drm_resume(drm_dev);
+}
+#endif
+
+static const struct dev_pm_ops exynos_drm_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(exynos_drm_sys_suspend, exynos_drm_sys_resume)
+ SET_RUNTIME_PM_OPS(exynos_drm_runtime_suspend,
+ exynos_drm_runtime_resume, NULL)
+};
+
static struct platform_driver exynos_drm_platform_driver = {
.probe = exynos_drm_platform_probe,
.remove = exynos_drm_platform_remove,
.driver = {
.owner = THIS_MODULE,
.name = "exynos-drm",
+ .pm = &exynos_drm_pm_ops,
},
};
@@ -348,6 +444,12 @@ static int __init exynos_drm_init(void)
{
int ret;
+#ifdef CONFIG_DRM_EXYNOS_DP
+ ret = platform_driver_register(&dp_driver);
+ if (ret < 0)
+ goto out_dp;
+#endif
+
#ifdef CONFIG_DRM_EXYNOS_FIMD
ret = platform_driver_register(&fimd_driver);
if (ret < 0)
@@ -361,13 +463,6 @@ static int __init exynos_drm_init(void)
ret = platform_driver_register(&mixer_driver);
if (ret < 0)
goto out_mixer;
- ret = platform_driver_register(&exynos_drm_common_hdmi_driver);
- if (ret < 0)
- goto out_common_hdmi;
-
- ret = exynos_platform_device_hdmi_register();
- if (ret < 0)
- goto out_common_hdmi_dev;
#endif
#ifdef CONFIG_DRM_EXYNOS_VIDI
@@ -460,10 +555,6 @@ out_vidi:
#endif
#ifdef CONFIG_DRM_EXYNOS_HDMI
- exynos_platform_device_hdmi_unregister();
-out_common_hdmi_dev:
- platform_driver_unregister(&exynos_drm_common_hdmi_driver);
-out_common_hdmi:
platform_driver_unregister(&mixer_driver);
out_mixer:
platform_driver_unregister(&hdmi_driver);
@@ -474,6 +565,11 @@ out_hdmi:
platform_driver_unregister(&fimd_driver);
out_fimd:
#endif
+
+#ifdef CONFIG_DRM_EXYNOS_DP
+ platform_driver_unregister(&dp_driver);
+out_dp:
+#endif
return ret;
}
@@ -505,8 +601,6 @@ static void __exit exynos_drm_exit(void)
#endif
#ifdef CONFIG_DRM_EXYNOS_HDMI
- exynos_platform_device_hdmi_unregister();
- platform_driver_unregister(&exynos_drm_common_hdmi_driver);
platform_driver_unregister(&mixer_driver);
platform_driver_unregister(&hdmi_driver);
#endif
@@ -518,6 +612,10 @@ static void __exit exynos_drm_exit(void)
#ifdef CONFIG_DRM_EXYNOS_FIMD
platform_driver_unregister(&fimd_driver);
#endif
+
+#ifdef CONFIG_DRM_EXYNOS_DP
+ platform_driver_unregister(&dp_driver);
+#endif
}
module_init(exynos_drm_init);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 0eaf5a27e120..2d892f32e831 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -54,22 +54,6 @@ enum exynos_drm_output_type {
};
/*
- * Exynos drm overlay ops structure.
- *
- * @mode_set: copy drm overlay info to hw specific overlay info.
- * @commit: apply hardware specific overlay data to registers.
- * @enable: enable hardware specific overlay.
- * @disable: disable hardware specific overlay.
- */
-struct exynos_drm_overlay_ops {
- void (*mode_set)(struct device *subdrv_dev,
- struct exynos_drm_overlay *overlay);
- void (*commit)(struct device *subdrv_dev, int zpos);
- void (*enable)(struct device *subdrv_dev, int zpos);
- void (*disable)(struct device *subdrv_dev, int zpos);
-};
-
-/*
* Exynos drm common overlay structure.
*
* @fb_x: offset x on a framebuffer to be displayed.
@@ -138,77 +122,110 @@ struct exynos_drm_overlay {
* Exynos DRM Display Structure.
* - this structure is common to analog tv, digital tv and lcd panel.
*
- * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI.
- * @is_connected: check for that display is connected or not.
- * @get_edid: get edid modes from display driver.
- * @get_panel: get panel object from display driver.
+ * @initialize: initializes the display with drm_dev
+ * @remove: cleans up the display for removal
+ * @mode_fixup: fix mode data comparing to hw specific display mode.
+ * @mode_set: convert drm_display_mode to hw specific display mode and
+ * would be called by encoder->mode_set().
* @check_mode: check if mode is valid or not.
- * @power_on: display device on or off.
+ * @dpms: display device on or off.
+ * @commit: apply changes to hw
*/
+struct exynos_drm_display;
struct exynos_drm_display_ops {
+ int (*initialize)(struct exynos_drm_display *display,
+ struct drm_device *drm_dev);
+ int (*create_connector)(struct exynos_drm_display *display,
+ struct drm_encoder *encoder);
+ void (*remove)(struct exynos_drm_display *display);
+ void (*mode_fixup)(struct exynos_drm_display *display,
+ struct drm_connector *connector,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
+ void (*mode_set)(struct exynos_drm_display *display,
+ struct drm_display_mode *mode);
+ int (*check_mode)(struct exynos_drm_display *display,
+ struct drm_display_mode *mode);
+ void (*dpms)(struct exynos_drm_display *display, int mode);
+ void (*commit)(struct exynos_drm_display *display);
+};
+
+/*
+ * Exynos drm display structure, maps 1:1 with an encoder/connector
+ *
+ * @list: the list entry for this manager
+ * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI.
+ * @encoder: encoder object this display maps to
+ * @connector: connector object this display maps to
+ * @ops: pointer to callbacks for exynos drm specific functionality
+ * @ctx: A pointer to the display's implementation specific context
+ */
+struct exynos_drm_display {
+ struct list_head list;
enum exynos_drm_output_type type;
- bool (*is_connected)(struct device *dev);
- struct edid *(*get_edid)(struct device *dev,
- struct drm_connector *connector);
- void *(*get_panel)(struct device *dev);
- int (*check_mode)(struct device *dev, struct drm_display_mode *mode);
- int (*power_on)(struct device *dev, int mode);
+ struct drm_encoder *encoder;
+ struct drm_connector *connector;
+ struct exynos_drm_display_ops *ops;
+ void *ctx;
};
/*
* Exynos drm manager ops
*
+ * @initialize: initializes the manager with drm_dev
+ * @remove: cleans up the manager for removal
* @dpms: control device power.
- * @apply: set timing, vblank and overlay data to registers.
- * @mode_fixup: fix mode data comparing to hw specific display mode.
- * @mode_set: convert drm_display_mode to hw specific display mode and
- * would be called by encoder->mode_set().
- * @get_max_resol: get maximum resolution to specific hardware.
+ * @mode_fixup: fix mode data before applying it
+ * @mode_set: set the given mode to the manager
* @commit: set current hw specific display mode to hw.
* @enable_vblank: specific driver callback for enabling vblank interrupt.
* @disable_vblank: specific driver callback for disabling vblank interrupt.
* @wait_for_vblank: wait for vblank interrupt to make sure that
* hardware overlay is updated.
+ * @win_mode_set: copy drm overlay info to hw specific overlay info.
+ * @win_commit: apply hardware specific overlay data to registers.
+ * @win_enable: enable hardware specific overlay.
+ * @win_disable: disable hardware specific overlay.
*/
+struct exynos_drm_manager;
struct exynos_drm_manager_ops {
- void (*dpms)(struct device *subdrv_dev, int mode);
- void (*apply)(struct device *subdrv_dev);
- void (*mode_fixup)(struct device *subdrv_dev,
- struct drm_connector *connector,
+ int (*initialize)(struct exynos_drm_manager *mgr,
+ struct drm_device *drm_dev, int pipe);
+ void (*remove)(struct exynos_drm_manager *mgr);
+ void (*dpms)(struct exynos_drm_manager *mgr, int mode);
+ bool (*mode_fixup)(struct exynos_drm_manager *mgr,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
- void (*mode_set)(struct device *subdrv_dev, void *mode);
- void (*get_max_resol)(struct device *subdrv_dev, unsigned int *width,
- unsigned int *height);
- void (*commit)(struct device *subdrv_dev);
- int (*enable_vblank)(struct device *subdrv_dev);
- void (*disable_vblank)(struct device *subdrv_dev);
- void (*wait_for_vblank)(struct device *subdrv_dev);
+ void (*mode_set)(struct exynos_drm_manager *mgr,
+ const struct drm_display_mode *mode);
+ void (*commit)(struct exynos_drm_manager *mgr);
+ int (*enable_vblank)(struct exynos_drm_manager *mgr);
+ void (*disable_vblank)(struct exynos_drm_manager *mgr);
+ void (*wait_for_vblank)(struct exynos_drm_manager *mgr);
+ void (*win_mode_set)(struct exynos_drm_manager *mgr,
+ struct exynos_drm_overlay *overlay);
+ void (*win_commit)(struct exynos_drm_manager *mgr, int zpos);
+ void (*win_enable)(struct exynos_drm_manager *mgr, int zpos);
+ void (*win_disable)(struct exynos_drm_manager *mgr, int zpos);
};
/*
- * Exynos drm common manager structure.
+ * Exynos drm common manager structure, maps 1:1 with a crtc
*
- * @dev: pointer to device object for subdrv device driver.
- * sub drivers such as display controller or hdmi driver,
- * have their own device object.
- * @ops: pointer to callbacks for exynos drm specific framebuffer.
- * these callbacks should be set by specific drivers such fimd
- * or hdmi driver and are used to control hardware global registers.
- * @overlay_ops: pointer to callbacks for exynos drm specific framebuffer.
- * these callbacks should be set by specific drivers such fimd
- * or hdmi driver and are used to control hardware overlay reigsters.
- * @display: pointer to callbacks for exynos drm specific framebuffer.
- * these callbacks should be set by specific drivers such fimd
- * or hdmi driver and are used to control display devices such as
- * analog tv, digital tv and lcd panel and also get timing data for them.
+ * @list: the list entry for this manager
+ * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI.
+ * @drm_dev: pointer to the drm device
+ * @pipe: the pipe number for this crtc/manager
+ * @ops: pointer to callbacks for exynos drm specific functionality
+ * @ctx: A pointer to the manager's implementation specific context
*/
struct exynos_drm_manager {
- struct device *dev;
+ struct list_head list;
+ enum exynos_drm_output_type type;
+ struct drm_device *drm_dev;
int pipe;
struct exynos_drm_manager_ops *ops;
- struct exynos_drm_overlay_ops *overlay_ops;
- struct exynos_drm_display_ops *display_ops;
+ void *ctx;
};
struct exynos_drm_g2d_private {
@@ -273,14 +290,11 @@ struct exynos_drm_private {
* by probe callback.
* @open: this would be called with drm device file open.
* @close: this would be called with drm device file close.
- * @encoder: encoder object owned by this sub driver.
- * @connector: connector object owned by this sub driver.
*/
struct exynos_drm_subdrv {
struct list_head list;
struct device *dev;
struct drm_device *drm_dev;
- struct exynos_drm_manager *manager;
int (*probe)(struct drm_device *drm_dev, struct device *dev);
void (*remove)(struct drm_device *drm_dev, struct device *dev);
@@ -288,9 +302,6 @@ struct exynos_drm_subdrv {
struct drm_file *file);
void (*close)(struct drm_device *drm_dev, struct device *dev,
struct drm_file *file);
-
- struct drm_encoder *encoder;
- struct drm_connector *connector;
};
/*
@@ -305,6 +316,16 @@ int exynos_drm_device_register(struct drm_device *dev);
*/
int exynos_drm_device_unregister(struct drm_device *dev);
+int exynos_drm_initialize_managers(struct drm_device *dev);
+void exynos_drm_remove_managers(struct drm_device *dev);
+int exynos_drm_initialize_displays(struct drm_device *dev);
+void exynos_drm_remove_displays(struct drm_device *dev);
+
+int exynos_drm_manager_register(struct exynos_drm_manager *manager);
+int exynos_drm_manager_unregister(struct exynos_drm_manager *manager);
+int exynos_drm_display_register(struct exynos_drm_display *display);
+int exynos_drm_display_unregister(struct exynos_drm_display *display);
+
/*
* this function would be called by sub drivers such as display controller
* or hdmi driver to register this sub driver object to exynos drm driver
@@ -340,6 +361,15 @@ int exynos_platform_device_ipp_register(void);
*/
void exynos_platform_device_ipp_unregister(void);
+#ifdef CONFIG_DRM_EXYNOS_DPI
+int exynos_dpi_probe(struct device *dev);
+int exynos_dpi_remove(struct device *dev);
+#else
+static inline int exynos_dpi_probe(struct device *dev) { return 0; }
+static inline int exynos_dpi_remove(struct device *dev) { return 0; }
+#endif
+
+extern struct platform_driver dp_driver;
extern struct platform_driver fimd_driver;
extern struct platform_driver hdmi_driver;
extern struct platform_driver mixer_driver;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index 06f1b2a09da7..835c0f1e88a7 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -17,7 +17,6 @@
#include "exynos_drm_drv.h"
#include "exynos_drm_encoder.h"
-#include "exynos_drm_connector.h"
#define to_exynos_encoder(x) container_of(x, struct exynos_drm_encoder,\
drm_encoder)
@@ -26,72 +25,22 @@
* exynos specific encoder structure.
*
* @drm_encoder: encoder object.
- * @manager: specific encoder has its own manager to control a hardware
- * appropriately and we can access a hardware drawing on this manager.
- * @dpms: store the encoder dpms value.
- * @updated: indicate whether overlay data updating is needed or not.
+ * @display: the display structure that maps to this encoder
*/
struct exynos_drm_encoder {
- struct drm_crtc *old_crtc;
struct drm_encoder drm_encoder;
- struct exynos_drm_manager *manager;
- int dpms;
- bool updated;
+ struct exynos_drm_display *display;
};
-static void exynos_drm_connector_power(struct drm_encoder *encoder, int mode)
-{
- struct drm_device *dev = encoder->dev;
- struct drm_connector *connector;
-
- list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
- if (exynos_drm_best_encoder(connector) == encoder) {
- DRM_DEBUG_KMS("connector[%d] dpms[%d]\n",
- connector->base.id, mode);
-
- exynos_drm_display_power(connector, mode);
- }
- }
-}
-
static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
{
- struct drm_device *dev = encoder->dev;
- struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
- struct exynos_drm_manager_ops *manager_ops = manager->ops;
struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
+ struct exynos_drm_display *display = exynos_encoder->display;
DRM_DEBUG_KMS("encoder dpms: %d\n", mode);
- if (exynos_encoder->dpms == mode) {
- DRM_DEBUG_KMS("desired dpms mode is same as previous one.\n");
- return;
- }
-
- mutex_lock(&dev->struct_mutex);
-
- switch (mode) {
- case DRM_MODE_DPMS_ON:
- if (manager_ops && manager_ops->apply)
- if (!exynos_encoder->updated)
- manager_ops->apply(manager->dev);
-
- exynos_drm_connector_power(encoder, mode);
- exynos_encoder->dpms = mode;
- break;
- case DRM_MODE_DPMS_STANDBY:
- case DRM_MODE_DPMS_SUSPEND:
- case DRM_MODE_DPMS_OFF:
- exynos_drm_connector_power(encoder, mode);
- exynos_encoder->dpms = mode;
- exynos_encoder->updated = false;
- break;
- default:
- DRM_ERROR("unspecified mode %d\n", mode);
- break;
- }
-
- mutex_unlock(&dev->struct_mutex);
+ if (display->ops->dpms)
+ display->ops->dpms(display, mode);
}
static bool
@@ -100,87 +49,31 @@ exynos_drm_encoder_mode_fixup(struct drm_encoder *encoder,
struct drm_display_mode *adjusted_mode)
{
struct drm_device *dev = encoder->dev;
+ struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
+ struct exynos_drm_display *display = exynos_encoder->display;
struct drm_connector *connector;
- struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
- struct exynos_drm_manager_ops *manager_ops = manager->ops;
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
- if (connector->encoder == encoder)
- if (manager_ops && manager_ops->mode_fixup)
- manager_ops->mode_fixup(manager->dev, connector,
- mode, adjusted_mode);
+ if (connector->encoder != encoder)
+ continue;
+
+ if (display->ops->mode_fixup)
+ display->ops->mode_fixup(display, connector, mode,
+ adjusted_mode);
}
return true;
}
-static void disable_plane_to_crtc(struct drm_device *dev,
- struct drm_crtc *old_crtc,
- struct drm_crtc *new_crtc)
-{
- struct drm_plane *plane;
-
- /*
- * if old_crtc isn't same as encoder->crtc then it means that
- * user changed crtc id to another one so the plane to old_crtc
- * should be disabled and plane->crtc should be set to new_crtc
- * (encoder->crtc)
- */
- list_for_each_entry(plane, &dev->mode_config.plane_list, head) {
- if (plane->crtc == old_crtc) {
- /*
- * do not change below call order.
- *
- * plane->funcs->disable_plane call checks
- * if encoder->crtc is same as plane->crtc and if same
- * then overlay_ops->disable callback will be called
- * to diasble current hw overlay so plane->crtc should
- * have new_crtc because new_crtc was set to
- * encoder->crtc in advance.
- */
- plane->crtc = new_crtc;
- plane->funcs->disable_plane(plane);
- }
- }
-}
-
static void exynos_drm_encoder_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
- struct drm_device *dev = encoder->dev;
- struct drm_connector *connector;
- struct exynos_drm_manager *manager;
- struct exynos_drm_manager_ops *manager_ops;
-
- list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
- if (connector->encoder == encoder) {
- struct exynos_drm_encoder *exynos_encoder;
-
- exynos_encoder = to_exynos_encoder(encoder);
-
- if (exynos_encoder->old_crtc != encoder->crtc &&
- exynos_encoder->old_crtc) {
-
- /*
- * disable a plane to old crtc and change
- * crtc of the plane to new one.
- */
- disable_plane_to_crtc(dev,
- exynos_encoder->old_crtc,
- encoder->crtc);
- }
-
- manager = exynos_drm_get_manager(encoder);
- manager_ops = manager->ops;
-
- if (manager_ops && manager_ops->mode_set)
- manager_ops->mode_set(manager->dev,
- adjusted_mode);
+ struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
+ struct exynos_drm_display *display = exynos_encoder->display;
- exynos_encoder->old_crtc = encoder->crtc;
- }
- }
+ if (display->ops->mode_set)
+ display->ops->mode_set(display, adjusted_mode);
}
static void exynos_drm_encoder_prepare(struct drm_encoder *encoder)
@@ -191,53 +84,15 @@ static void exynos_drm_encoder_prepare(struct drm_encoder *encoder)
static void exynos_drm_encoder_commit(struct drm_encoder *encoder)
{
struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
- struct exynos_drm_manager *manager = exynos_encoder->manager;
- struct exynos_drm_manager_ops *manager_ops = manager->ops;
-
- if (manager_ops && manager_ops->commit)
- manager_ops->commit(manager->dev);
-
- /*
- * this will avoid one issue that overlay data is updated to
- * real hardware two times.
- * And this variable will be used to check if the data was
- * already updated or not by exynos_drm_encoder_dpms function.
- */
- exynos_encoder->updated = true;
-
- /*
- * In case of setcrtc, there is no way to update encoder's dpms
- * so update it here.
- */
- exynos_encoder->dpms = DRM_MODE_DPMS_ON;
-}
+ struct exynos_drm_display *display = exynos_encoder->display;
-void exynos_drm_encoder_complete_scanout(struct drm_framebuffer *fb)
-{
- struct exynos_drm_encoder *exynos_encoder;
- struct exynos_drm_manager_ops *ops;
- struct drm_device *dev = fb->dev;
- struct drm_encoder *encoder;
+ if (display->ops->dpms)
+ display->ops->dpms(display, DRM_MODE_DPMS_ON);
- /*
- * make sure that overlay data are updated to real hardware
- * for all encoders.
- */
- list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
- exynos_encoder = to_exynos_encoder(encoder);
- ops = exynos_encoder->manager->ops;
-
- /*
- * wait for vblank interrupt
- * - this makes sure that overlay data are updated to
- * real hardware.
- */
- if (ops->wait_for_vblank)
- ops->wait_for_vblank(exynos_encoder->manager->dev);
- }
+ if (display->ops->commit)
+ display->ops->commit(display);
}
-
static void exynos_drm_encoder_disable(struct drm_encoder *encoder)
{
struct drm_plane *plane;
@@ -263,10 +118,7 @@ static struct drm_encoder_helper_funcs exynos_encoder_helper_funcs = {
static void exynos_drm_encoder_destroy(struct drm_encoder *encoder)
{
- struct exynos_drm_encoder *exynos_encoder =
- to_exynos_encoder(encoder);
-
- exynos_encoder->manager->pipe = -1;
+ struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
drm_encoder_cleanup(encoder);
kfree(exynos_encoder);
@@ -281,13 +133,12 @@ static unsigned int exynos_drm_encoder_clones(struct drm_encoder *encoder)
struct drm_encoder *clone;
struct drm_device *dev = encoder->dev;
struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
- struct exynos_drm_display_ops *display_ops =
- exynos_encoder->manager->display_ops;
+ struct exynos_drm_display *display = exynos_encoder->display;
unsigned int clone_mask = 0;
int cnt = 0;
list_for_each_entry(clone, &dev->mode_config.encoder_list, head) {
- switch (display_ops->type) {
+ switch (display->type) {
case EXYNOS_DISPLAY_TYPE_LCD:
case EXYNOS_DISPLAY_TYPE_HDMI:
case EXYNOS_DISPLAY_TYPE_VIDI:
@@ -311,24 +162,20 @@ void exynos_drm_encoder_setup(struct drm_device *dev)
struct drm_encoder *
exynos_drm_encoder_create(struct drm_device *dev,
- struct exynos_drm_manager *manager,
- unsigned int possible_crtcs)
+ struct exynos_drm_display *display,
+ unsigned long possible_crtcs)
{
struct drm_encoder *encoder;
struct exynos_drm_encoder *exynos_encoder;
- if (!manager || !possible_crtcs)
- return NULL;
-
- if (!manager->dev)
+ if (!possible_crtcs)
return NULL;
exynos_encoder = kzalloc(sizeof(*exynos_encoder), GFP_KERNEL);
if (!exynos_encoder)
return NULL;
- exynos_encoder->dpms = DRM_MODE_DPMS_OFF;
- exynos_encoder->manager = manager;
+ exynos_encoder->display = display;
encoder = &exynos_encoder->drm_encoder;
encoder->possible_crtcs = possible_crtcs;
@@ -344,149 +191,7 @@ exynos_drm_encoder_create(struct drm_device *dev,
return encoder;
}
-struct exynos_drm_manager *exynos_drm_get_manager(struct drm_encoder *encoder)
-{
- return to_exynos_encoder(encoder)->manager;
-}
-
-void exynos_drm_fn_encoder(struct drm_crtc *crtc, void *data,
- void (*fn)(struct drm_encoder *, void *))
-{
- struct drm_device *dev = crtc->dev;
- struct drm_encoder *encoder;
- struct exynos_drm_private *private = dev->dev_private;
- struct exynos_drm_manager *manager;
-
- list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
- /*
- * if crtc is detached from encoder, check pipe,
- * otherwise check crtc attached to encoder
- */
- if (!encoder->crtc) {
- manager = to_exynos_encoder(encoder)->manager;
- if (manager->pipe < 0 ||
- private->crtc[manager->pipe] != crtc)
- continue;
- } else {
- if (encoder->crtc != crtc)
- continue;
- }
-
- fn(encoder, data);
- }
-}
-
-void exynos_drm_enable_vblank(struct drm_encoder *encoder, void *data)
-{
- struct exynos_drm_manager *manager =
- to_exynos_encoder(encoder)->manager;
- struct exynos_drm_manager_ops *manager_ops = manager->ops;
- int crtc = *(int *)data;
-
- if (manager->pipe != crtc)
- return;
-
- if (manager_ops->enable_vblank)
- manager_ops->enable_vblank(manager->dev);
-}
-
-void exynos_drm_disable_vblank(struct drm_encoder *encoder, void *data)
-{
- struct exynos_drm_manager *manager =
- to_exynos_encoder(encoder)->manager;
- struct exynos_drm_manager_ops *manager_ops = manager->ops;
- int crtc = *(int *)data;
-
- if (manager->pipe != crtc)
- return;
-
- if (manager_ops->disable_vblank)
- manager_ops->disable_vblank(manager->dev);
-}
-
-void exynos_drm_encoder_crtc_dpms(struct drm_encoder *encoder, void *data)
-{
- struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
- struct exynos_drm_manager *manager = exynos_encoder->manager;
- struct exynos_drm_manager_ops *manager_ops = manager->ops;
- int mode = *(int *)data;
-
- if (manager_ops && manager_ops->dpms)
- manager_ops->dpms(manager->dev, mode);
-
- /*
- * if this condition is ok then it means that the crtc is already
- * detached from encoder and last function for detaching is properly
- * done, so clear pipe from manager to prevent repeated call.
- */
- if (mode > DRM_MODE_DPMS_ON) {
- if (!encoder->crtc)
- manager->pipe = -1;
- }
-}
-
-void exynos_drm_encoder_crtc_pipe(struct drm_encoder *encoder, void *data)
-{
- struct exynos_drm_manager *manager =
- to_exynos_encoder(encoder)->manager;
- int pipe = *(int *)data;
-
- /*
- * when crtc is detached from encoder, this pipe is used
- * to select manager operation
- */
- manager->pipe = pipe;
-}
-
-void exynos_drm_encoder_plane_mode_set(struct drm_encoder *encoder, void *data)
-{
- struct exynos_drm_manager *manager =
- to_exynos_encoder(encoder)->manager;
- struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
- struct exynos_drm_overlay *overlay = data;
-
- if (overlay_ops && overlay_ops->mode_set)
- overlay_ops->mode_set(manager->dev, overlay);
-}
-
-void exynos_drm_encoder_plane_commit(struct drm_encoder *encoder, void *data)
+struct exynos_drm_display *exynos_drm_get_display(struct drm_encoder *encoder)
{
- struct exynos_drm_manager *manager =
- to_exynos_encoder(encoder)->manager;
- struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
- int zpos = DEFAULT_ZPOS;
-
- if (data)
- zpos = *(int *)data;
-
- if (overlay_ops && overlay_ops->commit)
- overlay_ops->commit(manager->dev, zpos);
-}
-
-void exynos_drm_encoder_plane_enable(struct drm_encoder *encoder, void *data)
-{
- struct exynos_drm_manager *manager =
- to_exynos_encoder(encoder)->manager;
- struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
- int zpos = DEFAULT_ZPOS;
-
- if (data)
- zpos = *(int *)data;
-
- if (overlay_ops && overlay_ops->enable)
- overlay_ops->enable(manager->dev, zpos);
-}
-
-void exynos_drm_encoder_plane_disable(struct drm_encoder *encoder, void *data)
-{
- struct exynos_drm_manager *manager =
- to_exynos_encoder(encoder)->manager;
- struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
- int zpos = DEFAULT_ZPOS;
-
- if (data)
- zpos = *(int *)data;
-
- if (overlay_ops && overlay_ops->disable)
- overlay_ops->disable(manager->dev, zpos);
+ return to_exynos_encoder(encoder)->display;
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.h b/drivers/gpu/drm/exynos/exynos_drm_encoder.h
index 89e2fb0770af..b7a1620a7e79 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.h
@@ -18,20 +18,8 @@ struct exynos_drm_manager;
void exynos_drm_encoder_setup(struct drm_device *dev);
struct drm_encoder *exynos_drm_encoder_create(struct drm_device *dev,
- struct exynos_drm_manager *mgr,
- unsigned int possible_crtcs);
-struct exynos_drm_manager *
-exynos_drm_get_manager(struct drm_encoder *encoder);
-void exynos_drm_fn_encoder(struct drm_crtc *crtc, void *data,
- void (*fn)(struct drm_encoder *, void *));
-void exynos_drm_enable_vblank(struct drm_encoder *encoder, void *data);
-void exynos_drm_disable_vblank(struct drm_encoder *encoder, void *data);
-void exynos_drm_encoder_crtc_dpms(struct drm_encoder *encoder, void *data);
-void exynos_drm_encoder_crtc_pipe(struct drm_encoder *encoder, void *data);
-void exynos_drm_encoder_plane_mode_set(struct drm_encoder *encoder, void *data);
-void exynos_drm_encoder_plane_commit(struct drm_encoder *encoder, void *data);
-void exynos_drm_encoder_plane_enable(struct drm_encoder *encoder, void *data);
-void exynos_drm_encoder_plane_disable(struct drm_encoder *encoder, void *data);
-void exynos_drm_encoder_complete_scanout(struct drm_framebuffer *fb);
+ struct exynos_drm_display *mgr,
+ unsigned long possible_crtcs);
+struct exynos_drm_display *exynos_drm_get_display(struct drm_encoder *encoder);
#endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c
index ea39e0ef2ae4..65a22cad7b36 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fb.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c
@@ -20,9 +20,10 @@
#include "exynos_drm_drv.h"
#include "exynos_drm_fb.h"
+#include "exynos_drm_fbdev.h"
#include "exynos_drm_gem.h"
#include "exynos_drm_iommu.h"
-#include "exynos_drm_encoder.h"
+#include "exynos_drm_crtc.h"
#define to_exynos_fb(x) container_of(x, struct exynos_drm_fb, fb)
@@ -71,7 +72,7 @@ static void exynos_drm_fb_destroy(struct drm_framebuffer *fb)
unsigned int i;
/* make sure that overlay data are updated before relesing fb. */
- exynos_drm_encoder_complete_scanout(fb);
+ exynos_drm_crtc_complete_scanout(fb);
drm_framebuffer_cleanup(fb);
@@ -300,6 +301,8 @@ static void exynos_drm_output_poll_changed(struct drm_device *dev)
if (fb_helper)
drm_fb_helper_hotplug_event(fb_helper);
+ else
+ exynos_drm_fbdev_init(dev);
}
static const struct drm_mode_config_funcs exynos_drm_mode_config_funcs = {
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index a20440ce32e6..40fd6ccfcd6f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -62,7 +62,7 @@
/* FIMD has totally five hardware windows. */
#define WINDOWS_NR 5
-#define get_fimd_context(dev) platform_get_drvdata(to_platform_device(dev))
+#define get_fimd_manager(mgr) platform_get_drvdata(to_platform_device(dev))
struct fimd_driver_data {
unsigned int timing_base;
@@ -105,20 +105,18 @@ struct fimd_win_data {
};
struct fimd_context {
- struct exynos_drm_subdrv subdrv;
- int irq;
- struct drm_crtc *crtc;
+ struct device *dev;
+ struct drm_device *drm_dev;
struct clk *bus_clk;
struct clk *lcd_clk;
void __iomem *regs;
+ struct drm_display_mode mode;
struct fimd_win_data win_data[WINDOWS_NR];
- unsigned int clkdiv;
unsigned int default_win;
unsigned long irq_flags;
- u32 vidcon0;
u32 vidcon1;
bool suspended;
- struct mutex lock;
+ int pipe;
wait_queue_head_t wait_vsync_queue;
atomic_t wait_vsync_event;
@@ -145,153 +143,147 @@ static inline struct fimd_driver_data *drm_fimd_get_driver_data(
return (struct fimd_driver_data *)of_id->data;
}
-static bool fimd_display_is_connected(struct device *dev)
+static int fimd_mgr_initialize(struct exynos_drm_manager *mgr,
+ struct drm_device *drm_dev, int pipe)
{
- /* TODO. */
+ struct fimd_context *ctx = mgr->ctx;
- return true;
-}
+ ctx->drm_dev = drm_dev;
+ ctx->pipe = pipe;
-static void *fimd_get_panel(struct device *dev)
-{
- struct fimd_context *ctx = get_fimd_context(dev);
+ /*
+ * enable drm irq mode.
+ * - with irq_enabled = true, we can use the vblank feature.
+ *
+ * P.S. note that we wouldn't use drm irq handler but
+ * just specific driver own one instead because
+ * drm framework supports only one irq handler.
+ */
+ drm_dev->irq_enabled = true;
- return &ctx->panel;
-}
+ /*
+ * with vblank_disable_allowed = true, vblank interrupt will be disabled
+ * by drm timer once a current process gives up ownership of
+ * vblank event.(after drm_vblank_put function is called)
+ */
+ drm_dev->vblank_disable_allowed = true;
-static int fimd_check_mode(struct device *dev, struct drm_display_mode *mode)
-{
- /* TODO. */
+ /* attach this sub driver to iommu mapping if supported. */
+ if (is_drm_iommu_supported(ctx->drm_dev))
+ drm_iommu_attach_device(ctx->drm_dev, ctx->dev);
return 0;
}
-static int fimd_display_power_on(struct device *dev, int mode)
+static void fimd_mgr_remove(struct exynos_drm_manager *mgr)
{
- /* TODO */
+ struct fimd_context *ctx = mgr->ctx;
- return 0;
+ /* detach this sub driver from iommu mapping if supported. */
+ if (is_drm_iommu_supported(ctx->drm_dev))
+ drm_iommu_detach_device(ctx->drm_dev, ctx->dev);
}
-static struct exynos_drm_display_ops fimd_display_ops = {
- .type = EXYNOS_DISPLAY_TYPE_LCD,
- .is_connected = fimd_display_is_connected,
- .get_panel = fimd_get_panel,
- .check_mode = fimd_check_mode,
- .power_on = fimd_display_power_on,
-};
-
-static void fimd_dpms(struct device *subdrv_dev, int mode)
+static u32 fimd_calc_clkdiv(struct fimd_context *ctx,
+ const struct drm_display_mode *mode)
{
- struct fimd_context *ctx = get_fimd_context(subdrv_dev);
+ unsigned long ideal_clk = mode->htotal * mode->vtotal * mode->vrefresh;
+ u32 clkdiv;
- DRM_DEBUG_KMS("%d\n", mode);
+ /* Find the clock divider value that gets us closest to ideal_clk */
+ clkdiv = DIV_ROUND_UP(clk_get_rate(ctx->lcd_clk), ideal_clk);
- mutex_lock(&ctx->lock);
+ return (clkdiv < 0x100) ? clkdiv : 0xff;
+}
- switch (mode) {
- case DRM_MODE_DPMS_ON:
- /*
- * enable fimd hardware only if suspended status.
- *
- * P.S. fimd_dpms function would be called at booting time so
- * clk_enable could be called double time.
- */
- if (ctx->suspended)
- pm_runtime_get_sync(subdrv_dev);
- break;
- case DRM_MODE_DPMS_STANDBY:
- case DRM_MODE_DPMS_SUSPEND:
- case DRM_MODE_DPMS_OFF:
- if (!ctx->suspended)
- pm_runtime_put_sync(subdrv_dev);
- break;
- default:
- DRM_DEBUG_KMS("unspecified mode %d\n", mode);
- break;
- }
+static bool fimd_mode_fixup(struct exynos_drm_manager *mgr,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ if (adjusted_mode->vrefresh == 0)
+ adjusted_mode->vrefresh = FIMD_DEFAULT_FRAMERATE;
- mutex_unlock(&ctx->lock);
+ return true;
}
-static void fimd_apply(struct device *subdrv_dev)
+static void fimd_mode_set(struct exynos_drm_manager *mgr,
+ const struct drm_display_mode *in_mode)
{
- struct fimd_context *ctx = get_fimd_context(subdrv_dev);
- struct exynos_drm_manager *mgr = ctx->subdrv.manager;
- struct exynos_drm_manager_ops *mgr_ops = mgr->ops;
- struct exynos_drm_overlay_ops *ovl_ops = mgr->overlay_ops;
- struct fimd_win_data *win_data;
- int i;
-
- for (i = 0; i < WINDOWS_NR; i++) {
- win_data = &ctx->win_data[i];
- if (win_data->enabled && (ovl_ops && ovl_ops->commit))
- ovl_ops->commit(subdrv_dev, i);
- }
+ struct fimd_context *ctx = mgr->ctx;
- if (mgr_ops && mgr_ops->commit)
- mgr_ops->commit(subdrv_dev);
+ drm_mode_copy(&ctx->mode, in_mode);
}
-static void fimd_commit(struct device *dev)
+static void fimd_commit(struct exynos_drm_manager *mgr)
{
- struct fimd_context *ctx = get_fimd_context(dev);
- struct exynos_drm_panel_info *panel = &ctx->panel;
- struct videomode *vm = &panel->vm;
+ struct fimd_context *ctx = mgr->ctx;
+ struct drm_display_mode *mode = &ctx->mode;
struct fimd_driver_data *driver_data;
- u32 val;
+ u32 val, clkdiv, vidcon1;
+ int vsync_len, vbpd, vfpd, hsync_len, hbpd, hfpd;
driver_data = ctx->driver_data;
if (ctx->suspended)
return;
- /* setup polarity values from machine code. */
- writel(ctx->vidcon1, ctx->regs + driver_data->timing_base + VIDCON1);
+ /* nothing to do if we haven't set the mode yet */
+ if (mode->htotal == 0 || mode->vtotal == 0)
+ return;
+
+ /* setup polarity values */
+ vidcon1 = ctx->vidcon1;
+ if (mode->flags & DRM_MODE_FLAG_NVSYNC)
+ vidcon1 |= VIDCON1_INV_VSYNC;
+ if (mode->flags & DRM_MODE_FLAG_NHSYNC)
+ vidcon1 |= VIDCON1_INV_HSYNC;
+ writel(vidcon1, ctx->regs + driver_data->timing_base + VIDCON1);
/* setup vertical timing values. */
- val = VIDTCON0_VBPD(vm->vback_porch - 1) |
- VIDTCON0_VFPD(vm->vfront_porch - 1) |
- VIDTCON0_VSPW(vm->vsync_len - 1);
+ vsync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
+ vbpd = mode->crtc_vtotal - mode->crtc_vsync_end;
+ vfpd = mode->crtc_vsync_start - mode->crtc_vdisplay;
+
+ val = VIDTCON0_VBPD(vbpd - 1) |
+ VIDTCON0_VFPD(vfpd - 1) |
+ VIDTCON0_VSPW(vsync_len - 1);
writel(val, ctx->regs + driver_data->timing_base + VIDTCON0);
/* setup horizontal timing values. */
- val = VIDTCON1_HBPD(vm->hback_porch - 1) |
- VIDTCON1_HFPD(vm->hfront_porch - 1) |
- VIDTCON1_HSPW(vm->hsync_len - 1);
+ hsync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
+ hbpd = mode->crtc_htotal - mode->crtc_hsync_end;
+ hfpd = mode->crtc_hsync_start - mode->crtc_hdisplay;
+
+ val = VIDTCON1_HBPD(hbpd - 1) |
+ VIDTCON1_HFPD(hfpd - 1) |
+ VIDTCON1_HSPW(hsync_len - 1);
writel(val, ctx->regs + driver_data->timing_base + VIDTCON1);
/* setup horizontal and vertical display size. */
- val = VIDTCON2_LINEVAL(vm->vactive - 1) |
- VIDTCON2_HOZVAL(vm->hactive - 1) |
- VIDTCON2_LINEVAL_E(vm->vactive - 1) |
- VIDTCON2_HOZVAL_E(vm->hactive - 1);
+ val = VIDTCON2_LINEVAL(mode->vdisplay - 1) |
+ VIDTCON2_HOZVAL(mode->hdisplay - 1) |
+ VIDTCON2_LINEVAL_E(mode->vdisplay - 1) |
+ VIDTCON2_HOZVAL_E(mode->hdisplay - 1);
writel(val, ctx->regs + driver_data->timing_base + VIDTCON2);
- /* setup clock source, clock divider, enable dma. */
- val = ctx->vidcon0;
- val &= ~(VIDCON0_CLKVAL_F_MASK | VIDCON0_CLKDIR);
-
- if (ctx->driver_data->has_clksel) {
- val &= ~VIDCON0_CLKSEL_MASK;
- val |= VIDCON0_CLKSEL_LCD;
- }
-
- if (ctx->clkdiv > 1)
- val |= VIDCON0_CLKVAL_F(ctx->clkdiv - 1) | VIDCON0_CLKDIR;
- else
- val &= ~VIDCON0_CLKDIR; /* 1:1 clock */
-
/*
* fields of register with prefix '_F' would be updated
* at vsync(same as dma start)
*/
- val |= VIDCON0_ENVID | VIDCON0_ENVID_F;
+ val = VIDCON0_ENVID | VIDCON0_ENVID_F;
+
+ if (ctx->driver_data->has_clksel)
+ val |= VIDCON0_CLKSEL_LCD;
+
+ clkdiv = fimd_calc_clkdiv(ctx, mode);
+ if (clkdiv > 1)
+ val |= VIDCON0_CLKVAL_F(clkdiv - 1) | VIDCON0_CLKDIR;
+
writel(val, ctx->regs + VIDCON0);
}
-static int fimd_enable_vblank(struct device *dev)
+static int fimd_enable_vblank(struct exynos_drm_manager *mgr)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct fimd_context *ctx = mgr->ctx;
u32 val;
if (ctx->suspended)
@@ -314,9 +306,9 @@ static int fimd_enable_vblank(struct device *dev)
return 0;
}
-static void fimd_disable_vblank(struct device *dev)
+static void fimd_disable_vblank(struct exynos_drm_manager *mgr)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct fimd_context *ctx = mgr->ctx;
u32 val;
if (ctx->suspended)
@@ -332,9 +324,9 @@ static void fimd_disable_vblank(struct device *dev)
}
}
-static void fimd_wait_for_vblank(struct device *dev)
+static void fimd_wait_for_vblank(struct exynos_drm_manager *mgr)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct fimd_context *ctx = mgr->ctx;
if (ctx->suspended)
return;
@@ -351,25 +343,16 @@ static void fimd_wait_for_vblank(struct device *dev)
DRM_DEBUG_KMS("vblank wait timed out.\n");
}
-static struct exynos_drm_manager_ops fimd_manager_ops = {
- .dpms = fimd_dpms,
- .apply = fimd_apply,
- .commit = fimd_commit,
- .enable_vblank = fimd_enable_vblank,
- .disable_vblank = fimd_disable_vblank,
- .wait_for_vblank = fimd_wait_for_vblank,
-};
-
-static void fimd_win_mode_set(struct device *dev,
- struct exynos_drm_overlay *overlay)
+static void fimd_win_mode_set(struct exynos_drm_manager *mgr,
+ struct exynos_drm_overlay *overlay)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct fimd_context *ctx = mgr->ctx;
struct fimd_win_data *win_data;
int win;
unsigned long offset;
if (!overlay) {
- dev_err(dev, "overlay is NULL\n");
+ DRM_ERROR("overlay is NULL\n");
return;
}
@@ -409,9 +392,8 @@ static void fimd_win_mode_set(struct device *dev,
overlay->fb_width, overlay->crtc_width);
}
-static void fimd_win_set_pixfmt(struct device *dev, unsigned int win)
+static void fimd_win_set_pixfmt(struct fimd_context *ctx, unsigned int win)
{
- struct fimd_context *ctx = get_fimd_context(dev);
struct fimd_win_data *win_data = &ctx->win_data[win];
unsigned long val;
@@ -467,9 +449,8 @@ static void fimd_win_set_pixfmt(struct device *dev, unsigned int win)
writel(val, ctx->regs + WINCON(win));
}
-static void fimd_win_set_colkey(struct device *dev, unsigned int win)
+static void fimd_win_set_colkey(struct fimd_context *ctx, unsigned int win)
{
- struct fimd_context *ctx = get_fimd_context(dev);
unsigned int keycon0 = 0, keycon1 = 0;
keycon0 = ~(WxKEYCON0_KEYBL_EN | WxKEYCON0_KEYEN_F |
@@ -508,9 +489,9 @@ static void fimd_shadow_protect_win(struct fimd_context *ctx,
writel(val, ctx->regs + reg);
}
-static void fimd_win_commit(struct device *dev, int zpos)
+static void fimd_win_commit(struct exynos_drm_manager *mgr, int zpos)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct fimd_context *ctx = mgr->ctx;
struct fimd_win_data *win_data;
int win = zpos;
unsigned long val, alpha, size;
@@ -528,6 +509,12 @@ static void fimd_win_commit(struct device *dev, int zpos)
win_data = &ctx->win_data[win];
+ /* If suspended, enable this on resume */
+ if (ctx->suspended) {
+ win_data->resume = true;
+ return;
+ }
+
/*
* SHADOWCON/PRTCON register is used for enabling timing.
*
@@ -605,11 +592,11 @@ static void fimd_win_commit(struct device *dev, int zpos)
DRM_DEBUG_KMS("osd size = 0x%x\n", (unsigned int)val);
}
- fimd_win_set_pixfmt(dev, win);
+ fimd_win_set_pixfmt(ctx, win);
/* hardware window 0 doesn't support color key. */
if (win != 0)
- fimd_win_set_colkey(dev, win);
+ fimd_win_set_colkey(ctx, win);
/* wincon */
val = readl(ctx->regs + WINCON(win));
@@ -628,9 +615,9 @@ static void fimd_win_commit(struct device *dev, int zpos)
win_data->enabled = true;
}
-static void fimd_win_disable(struct device *dev, int zpos)
+static void fimd_win_disable(struct exynos_drm_manager *mgr, int zpos)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct fimd_context *ctx = mgr->ctx;
struct fimd_win_data *win_data;
int win = zpos;
u32 val;
@@ -669,132 +656,6 @@ static void fimd_win_disable(struct device *dev, int zpos)
win_data->enabled = false;
}
-static struct exynos_drm_overlay_ops fimd_overlay_ops = {
- .mode_set = fimd_win_mode_set,
- .commit = fimd_win_commit,
- .disable = fimd_win_disable,
-};
-
-static struct exynos_drm_manager fimd_manager = {
- .pipe = -1,
- .ops = &fimd_manager_ops,
- .overlay_ops = &fimd_overlay_ops,
- .display_ops = &fimd_display_ops,
-};
-
-static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
-{
- struct fimd_context *ctx = (struct fimd_context *)dev_id;
- struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
- struct drm_device *drm_dev = subdrv->drm_dev;
- struct exynos_drm_manager *manager = subdrv->manager;
- u32 val;
-
- val = readl(ctx->regs + VIDINTCON1);
-
- if (val & VIDINTCON1_INT_FRAME)
- /* VSYNC interrupt */
- writel(VIDINTCON1_INT_FRAME, ctx->regs + VIDINTCON1);
-
- /* check the crtc is detached already from encoder */
- if (manager->pipe < 0)
- goto out;
-
- drm_handle_vblank(drm_dev, manager->pipe);
- exynos_drm_crtc_finish_pageflip(drm_dev, manager->pipe);
-
- /* set wait vsync event to zero and wake up queue. */
- if (atomic_read(&ctx->wait_vsync_event)) {
- atomic_set(&ctx->wait_vsync_event, 0);
- wake_up(&ctx->wait_vsync_queue);
- }
-out:
- return IRQ_HANDLED;
-}
-
-static int fimd_subdrv_probe(struct drm_device *drm_dev, struct device *dev)
-{
- /*
- * enable drm irq mode.
- * - with irq_enabled = true, we can use the vblank feature.
- *
- * P.S. note that we wouldn't use drm irq handler but
- * just specific driver own one instead because
- * drm framework supports only one irq handler.
- */
- drm_dev->irq_enabled = true;
-
- /*
- * with vblank_disable_allowed = true, vblank interrupt will be disabled
- * by drm timer once a current process gives up ownership of
- * vblank event.(after drm_vblank_put function is called)
- */
- drm_dev->vblank_disable_allowed = true;
-
- /* attach this sub driver to iommu mapping if supported. */
- if (is_drm_iommu_supported(drm_dev))
- drm_iommu_attach_device(drm_dev, dev);
-
- return 0;
-}
-
-static void fimd_subdrv_remove(struct drm_device *drm_dev, struct device *dev)
-{
- /* detach this sub driver from iommu mapping if supported. */
- if (is_drm_iommu_supported(drm_dev))
- drm_iommu_detach_device(drm_dev, dev);
-}
-
-static int fimd_configure_clocks(struct fimd_context *ctx, struct device *dev)
-{
- struct videomode *vm = &ctx->panel.vm;
- unsigned long clk;
-
- ctx->bus_clk = devm_clk_get(dev, "fimd");
- if (IS_ERR(ctx->bus_clk)) {
- dev_err(dev, "failed to get bus clock\n");
- return PTR_ERR(ctx->bus_clk);
- }
-
- ctx->lcd_clk = devm_clk_get(dev, "sclk_fimd");
- if (IS_ERR(ctx->lcd_clk)) {
- dev_err(dev, "failed to get lcd clock\n");
- return PTR_ERR(ctx->lcd_clk);
- }
-
- clk = clk_get_rate(ctx->lcd_clk);
- if (clk == 0) {
- dev_err(dev, "error getting sclk_fimd clock rate\n");
- return -EINVAL;
- }
-
- if (vm->pixelclock == 0) {
- unsigned long c;
- c = vm->hactive + vm->hback_porch + vm->hfront_porch +
- vm->hsync_len;
- c *= vm->vactive + vm->vback_porch + vm->vfront_porch +
- vm->vsync_len;
- vm->pixelclock = c * FIMD_DEFAULT_FRAMERATE;
- if (vm->pixelclock == 0) {
- dev_err(dev, "incorrect display timings\n");
- return -EINVAL;
- }
- dev_warn(dev, "pixel clock recalculated to %luHz (%dHz frame rate)\n",
- vm->pixelclock, FIMD_DEFAULT_FRAMERATE);
- }
- ctx->clkdiv = DIV_ROUND_UP(clk, vm->pixelclock);
- if (ctx->clkdiv > 256) {
- dev_warn(dev, "calculated pixel clock divider too high (%u), lowered to 256\n",
- ctx->clkdiv);
- ctx->clkdiv = 256;
- }
- vm->pixelclock = clk / ctx->clkdiv;
- DRM_DEBUG_KMS("pixel clock = %lu, clkdiv = %d\n", vm->pixelclock,
- ctx->clkdiv);
-
- return 0;
-}
-
static void fimd_clear_win(struct fimd_context *ctx, int win)
{
writel(0, ctx->regs + WINCON(win));
@@ -808,111 +669,190 @@ static void fimd_clear_win(struct fimd_context *ctx, int win)
fimd_shadow_protect_win(ctx, win, false);
}
-static int fimd_clock(struct fimd_context *ctx, bool enable)
+static void fimd_window_suspend(struct exynos_drm_manager *mgr)
{
- if (enable) {
- int ret;
-
- ret = clk_prepare_enable(ctx->bus_clk);
- if (ret < 0)
- return ret;
+ struct fimd_context *ctx = mgr->ctx;
+ struct fimd_win_data *win_data;
+ int i;
- ret = clk_prepare_enable(ctx->lcd_clk);
- if (ret < 0) {
- clk_disable_unprepare(ctx->bus_clk);
- return ret;
- }
- } else {
- clk_disable_unprepare(ctx->lcd_clk);
- clk_disable_unprepare(ctx->bus_clk);
+ for (i = 0; i < WINDOWS_NR; i++) {
+ win_data = &ctx->win_data[i];
+ win_data->resume = win_data->enabled;
+ if (win_data->enabled)
+ fimd_win_disable(mgr, i);
}
-
- return 0;
+ fimd_wait_for_vblank(mgr);
}
-static void fimd_window_suspend(struct device *dev)
+static void fimd_window_resume(struct exynos_drm_manager *mgr)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct fimd_context *ctx = mgr->ctx;
struct fimd_win_data *win_data;
int i;
for (i = 0; i < WINDOWS_NR; i++) {
win_data = &ctx->win_data[i];
- win_data->resume = win_data->enabled;
- fimd_win_disable(dev, i);
+ win_data->enabled = win_data->resume;
+ win_data->resume = false;
}
- fimd_wait_for_vblank(dev);
}
-static void fimd_window_resume(struct device *dev)
+static void fimd_apply(struct exynos_drm_manager *mgr)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct fimd_context *ctx = mgr->ctx;
struct fimd_win_data *win_data;
int i;
for (i = 0; i < WINDOWS_NR; i++) {
win_data = &ctx->win_data[i];
- win_data->enabled = win_data->resume;
- win_data->resume = false;
+ if (win_data->enabled)
+ fimd_win_commit(mgr, i);
}
+
+ fimd_commit(mgr);
}
-static int fimd_activate(struct fimd_context *ctx, bool enable)
+static int fimd_poweron(struct exynos_drm_manager *mgr)
{
- struct device *dev = ctx->subdrv.dev;
- if (enable) {
- int ret;
+ struct fimd_context *ctx = mgr->ctx;
+ int ret;
- ret = fimd_clock(ctx, true);
- if (ret < 0)
- return ret;
+ if (!ctx->suspended)
+ return 0;
- ctx->suspended = false;
+ ctx->suspended = false;
- /* if vblank was enabled status, enable it again. */
- if (test_and_clear_bit(0, &ctx->irq_flags))
- fimd_enable_vblank(dev);
+ pm_runtime_get_sync(ctx->dev);
- fimd_window_resume(dev);
- } else {
- fimd_window_suspend(dev);
+ ret = clk_prepare_enable(ctx->bus_clk);
+ if (ret < 0) {
+ DRM_ERROR("Failed to prepare_enable the bus clk [%d]\n", ret);
+ goto bus_clk_err;
+ }
+
+ ret = clk_prepare_enable(ctx->lcd_clk);
+ if (ret < 0) {
+ DRM_ERROR("Failed to prepare_enable the lcd clk [%d]\n", ret);
+ goto lcd_clk_err;
+ }
- fimd_clock(ctx, false);
- ctx->suspended = true;
+ /* if vblank was enabled status, enable it again. */
+ if (test_and_clear_bit(0, &ctx->irq_flags)) {
+ ret = fimd_enable_vblank(mgr);
+ if (ret) {
+ DRM_ERROR("Failed to re-enable vblank [%d]\n", ret);
+ goto enable_vblank_err;
+ }
}
+ fimd_window_resume(mgr);
+
+ fimd_apply(mgr);
+
return 0;
+
+enable_vblank_err:
+ clk_disable_unprepare(ctx->lcd_clk);
+lcd_clk_err:
+ clk_disable_unprepare(ctx->bus_clk);
+bus_clk_err:
+ ctx->suspended = true;
+ return ret;
}
-static int fimd_get_platform_data(struct fimd_context *ctx, struct device *dev)
+static int fimd_poweroff(struct exynos_drm_manager *mgr)
{
- struct videomode *vm;
- int ret;
+ struct fimd_context *ctx = mgr->ctx;
- vm = &ctx->panel.vm;
- ret = of_get_videomode(dev->of_node, vm, OF_USE_NATIVE_MODE);
- if (ret) {
- DRM_ERROR("failed: of_get_videomode() : %d\n", ret);
- return ret;
- }
+ if (ctx->suspended)
+ return 0;
- if (vm->flags & DISPLAY_FLAGS_VSYNC_LOW)
- ctx->vidcon1 |= VIDCON1_INV_VSYNC;
- if (vm->flags & DISPLAY_FLAGS_HSYNC_LOW)
- ctx->vidcon1 |= VIDCON1_INV_HSYNC;
- if (vm->flags & DISPLAY_FLAGS_DE_LOW)
- ctx->vidcon1 |= VIDCON1_INV_VDEN;
- if (vm->flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE)
- ctx->vidcon1 |= VIDCON1_INV_VCLK;
+ /*
+ * We need to make sure that all windows are disabled before we
+ * suspend that connector. Otherwise we might try to scan from
+ * a destroyed buffer later.
+ */
+ fimd_window_suspend(mgr);
+ clk_disable_unprepare(ctx->lcd_clk);
+ clk_disable_unprepare(ctx->bus_clk);
+
+ pm_runtime_put_sync(ctx->dev);
+
+ ctx->suspended = true;
return 0;
}
+static void fimd_dpms(struct exynos_drm_manager *mgr, int mode)
+{
+ DRM_DEBUG_KMS("%s, %d\n", __FILE__, mode);
+
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ fimd_poweron(mgr);
+ break;
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ case DRM_MODE_DPMS_OFF:
+ fimd_poweroff(mgr);
+ break;
+ default:
+ DRM_DEBUG_KMS("unspecified mode %d\n", mode);
+ break;
+ }
+}
+
+static struct exynos_drm_manager_ops fimd_manager_ops = {
+ .initialize = fimd_mgr_initialize,
+ .remove = fimd_mgr_remove,
+ .dpms = fimd_dpms,
+ .mode_fixup = fimd_mode_fixup,
+ .mode_set = fimd_mode_set,
+ .commit = fimd_commit,
+ .enable_vblank = fimd_enable_vblank,
+ .disable_vblank = fimd_disable_vblank,
+ .wait_for_vblank = fimd_wait_for_vblank,
+ .win_mode_set = fimd_win_mode_set,
+ .win_commit = fimd_win_commit,
+ .win_disable = fimd_win_disable,
+};
+
+static struct exynos_drm_manager fimd_manager = {
+ .type = EXYNOS_DISPLAY_TYPE_LCD,
+ .ops = &fimd_manager_ops,
+};
+
+static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
+{
+ struct fimd_context *ctx = (struct fimd_context *)dev_id;
+ u32 val;
+
+ val = readl(ctx->regs + VIDINTCON1);
+
+ if (val & VIDINTCON1_INT_FRAME)
+ /* VSYNC interrupt */
+ writel(VIDINTCON1_INT_FRAME, ctx->regs + VIDINTCON1);
+
+ /* check the crtc is detached already from encoder */
+ if (ctx->pipe < 0 || !ctx->drm_dev)
+ goto out;
+
+ drm_handle_vblank(ctx->drm_dev, ctx->pipe);
+ exynos_drm_crtc_finish_pageflip(ctx->drm_dev, ctx->pipe);
+
+ /* set wait vsync event to zero and wake up queue. */
+ if (atomic_read(&ctx->wait_vsync_event)) {
+ atomic_set(&ctx->wait_vsync_event, 0);
+ wake_up(&ctx->wait_vsync_queue);
+ }
+out:
+ return IRQ_HANDLED;
+}
+
static int fimd_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct fimd_context *ctx;
- struct exynos_drm_subdrv *subdrv;
struct resource *res;
int win;
int ret = -EINVAL;
@@ -924,13 +864,25 @@ static int fimd_probe(struct platform_device *pdev)
if (!ctx)
return -ENOMEM;
- ret = fimd_get_platform_data(ctx, dev);
- if (ret)
- return ret;
+ ctx->dev = dev;
+ ctx->suspended = true;
- ret = fimd_configure_clocks(ctx, dev);
- if (ret)
- return ret;
+ if (of_property_read_bool(dev->of_node, "samsung,invert-vden"))
+ ctx->vidcon1 |= VIDCON1_INV_VDEN;
+ if (of_property_read_bool(dev->of_node, "samsung,invert-vclk"))
+ ctx->vidcon1 |= VIDCON1_INV_VCLK;
+
+ ctx->bus_clk = devm_clk_get(dev, "fimd");
+ if (IS_ERR(ctx->bus_clk)) {
+ dev_err(dev, "failed to get bus clock\n");
+ return PTR_ERR(ctx->bus_clk);
+ }
+
+ ctx->lcd_clk = devm_clk_get(dev, "sclk_fimd");
+ if (IS_ERR(ctx->lcd_clk)) {
+ dev_err(dev, "failed to get lcd clock\n");
+ return PTR_ERR(ctx->lcd_clk);
+ }
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -944,9 +896,7 @@ static int fimd_probe(struct platform_device *pdev)
return -ENXIO;
}
- ctx->irq = res->start;
-
- ret = devm_request_irq(dev, ctx->irq, fimd_irq_handler,
+ ret = devm_request_irq(dev, res->start, fimd_irq_handler,
0, "drm_fimd", ctx);
if (ret) {
dev_err(dev, "irq request failed.\n");
@@ -957,112 +907,35 @@ static int fimd_probe(struct platform_device *pdev)
init_waitqueue_head(&ctx->wait_vsync_queue);
atomic_set(&ctx->wait_vsync_event, 0);
- subdrv = &ctx->subdrv;
+ platform_set_drvdata(pdev, &fimd_manager);
- subdrv->dev = dev;
- subdrv->manager = &fimd_manager;
- subdrv->probe = fimd_subdrv_probe;
- subdrv->remove = fimd_subdrv_remove;
+ fimd_manager.ctx = ctx;
+ exynos_drm_manager_register(&fimd_manager);
- mutex_init(&ctx->lock);
-
- platform_set_drvdata(pdev, ctx);
+ exynos_dpi_probe(ctx->dev);
pm_runtime_enable(dev);
- pm_runtime_get_sync(dev);
for (win = 0; win < WINDOWS_NR; win++)
fimd_clear_win(ctx, win);
- exynos_drm_subdrv_register(subdrv);
-
return 0;
}
static int fimd_remove(struct platform_device *pdev)
{
- struct device *dev = &pdev->dev;
- struct fimd_context *ctx = platform_get_drvdata(pdev);
-
- exynos_drm_subdrv_unregister(&ctx->subdrv);
-
- if (ctx->suspended)
- goto out;
-
- pm_runtime_set_suspended(dev);
- pm_runtime_put_sync(dev);
-
-out:
- pm_runtime_disable(dev);
-
- return 0;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int fimd_suspend(struct device *dev)
-{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct exynos_drm_manager *mgr = platform_get_drvdata(pdev);
- /*
- * do not use pm_runtime_suspend(). if pm_runtime_suspend() is
- * called here, an error would be returned by that interface
- * because the usage_count of pm runtime is more than 1.
- */
- if (!pm_runtime_suspended(dev))
- return fimd_activate(ctx, false);
+ exynos_dpi_remove(&pdev->dev);
- return 0;
-}
+ exynos_drm_manager_unregister(&fimd_manager);
-static int fimd_resume(struct device *dev)
-{
- struct fimd_context *ctx = get_fimd_context(dev);
+ fimd_dpms(mgr, DRM_MODE_DPMS_OFF);
- /*
- * if entered to sleep when lcd panel was on, the usage_count
- * of pm runtime would still be 1 so in this case, fimd driver
- * should be on directly not drawing on pm runtime interface.
- */
- if (!pm_runtime_suspended(dev)) {
- int ret;
-
- ret = fimd_activate(ctx, true);
- if (ret < 0)
- return ret;
-
- /*
- * in case of dpms on(standby), fimd_apply function will
- * be called by encoder's dpms callback to update fimd's
- * registers but in case of sleep wakeup, it's not.
- * so fimd_apply function should be called at here.
- */
- fimd_apply(dev);
- }
+ pm_runtime_disable(&pdev->dev);
return 0;
}
-#endif
-
-#ifdef CONFIG_PM_RUNTIME
-static int fimd_runtime_suspend(struct device *dev)
-{
- struct fimd_context *ctx = get_fimd_context(dev);
-
- return fimd_activate(ctx, false);
-}
-
-static int fimd_runtime_resume(struct device *dev)
-{
- struct fimd_context *ctx = get_fimd_context(dev);
-
- return fimd_activate(ctx, true);
-}
-#endif
-
-static const struct dev_pm_ops fimd_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(fimd_suspend, fimd_resume)
- SET_RUNTIME_PM_OPS(fimd_runtime_suspend, fimd_runtime_resume, NULL)
-};
struct platform_driver fimd_driver = {
.probe = fimd_probe,
@@ -1070,7 +943,6 @@ struct platform_driver fimd_driver = {
.driver = {
.name = "exynos4-fb",
.owner = THIS_MODULE,
- .pm = &fimd_pm_ops,
.of_match_table = fimd_driver_dt_match,
},
};
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
deleted file mode 100644
index 8548b974bd59..000000000000
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
+++ /dev/null
@@ -1,439 +0,0 @@
-/*
- * Copyright (C) 2011 Samsung Electronics Co.Ltd
- * Authors:
- * Inki Dae <[email protected]>
- * Seung-Woo Kim <[email protected]>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
-
-#include <drm/drmP.h>
-
-#include <linux/kernel.h>
-#include <linux/wait.h>
-#include <linux/platform_device.h>
-#include <linux/pm_runtime.h>
-
-#include <drm/exynos_drm.h>
-
-#include "exynos_drm_drv.h"
-#include "exynos_drm_hdmi.h"
-
-#define to_context(dev) platform_get_drvdata(to_platform_device(dev))
-#define to_subdrv(dev) to_context(dev)
-#define get_ctx_from_subdrv(subdrv) container_of(subdrv,\
- struct drm_hdmi_context, subdrv);
-
-/* platform device pointer for common drm hdmi device. */
-static struct platform_device *exynos_drm_hdmi_pdev;
-
-/* Common hdmi subdrv needs to access the hdmi and mixer though context.
-* These should be initialied by the repective drivers */
-static struct exynos_drm_hdmi_context *hdmi_ctx;
-static struct exynos_drm_hdmi_context *mixer_ctx;
-
-/* these callback points shoud be set by specific drivers. */
-static struct exynos_hdmi_ops *hdmi_ops;
-static struct exynos_mixer_ops *mixer_ops;
-
-struct drm_hdmi_context {
- struct exynos_drm_subdrv subdrv;
- struct exynos_drm_hdmi_context *hdmi_ctx;
- struct exynos_drm_hdmi_context *mixer_ctx;
-
- bool enabled[MIXER_WIN_NR];
-};
-
-int exynos_platform_device_hdmi_register(void)
-{
- struct platform_device *pdev;
-
- if (exynos_drm_hdmi_pdev)
- return -EEXIST;
-
- pdev = platform_device_register_simple(
- "exynos-drm-hdmi", -1, NULL, 0);
- if (IS_ERR(pdev))
- return PTR_ERR(pdev);
-
- exynos_drm_hdmi_pdev = pdev;
-
- return 0;
-}
-
-void exynos_platform_device_hdmi_unregister(void)
-{
- if (exynos_drm_hdmi_pdev) {
- platform_device_unregister(exynos_drm_hdmi_pdev);
- exynos_drm_hdmi_pdev = NULL;
- }
-}
-
-void exynos_hdmi_drv_attach(struct exynos_drm_hdmi_context *ctx)
-{
- if (ctx)
- hdmi_ctx = ctx;
-}
-
-void exynos_mixer_drv_attach(struct exynos_drm_hdmi_context *ctx)
-{
- if (ctx)
- mixer_ctx = ctx;
-}
-
-void exynos_hdmi_ops_register(struct exynos_hdmi_ops *ops)
-{
- if (ops)
- hdmi_ops = ops;
-}
-
-void exynos_mixer_ops_register(struct exynos_mixer_ops *ops)
-{
- if (ops)
- mixer_ops = ops;
-}
-
-static bool drm_hdmi_is_connected(struct device *dev)
-{
- struct drm_hdmi_context *ctx = to_context(dev);
-
- if (hdmi_ops && hdmi_ops->is_connected)
- return hdmi_ops->is_connected(ctx->hdmi_ctx->ctx);
-
- return false;
-}
-
-static struct edid *drm_hdmi_get_edid(struct device *dev,
- struct drm_connector *connector)
-{
- struct drm_hdmi_context *ctx = to_context(dev);
-
- if (hdmi_ops && hdmi_ops->get_edid)
- return hdmi_ops->get_edid(ctx->hdmi_ctx->ctx, connector);
-
- return NULL;
-}
-
-static int drm_hdmi_check_mode(struct device *dev,
- struct drm_display_mode *mode)
-{
- struct drm_hdmi_context *ctx = to_context(dev);
- int ret = 0;
-
- /*
- * Both, mixer and hdmi should be able to handle the requested mode.
- * If any of the two fails, return mode as BAD.
- */
-
- if (mixer_ops && mixer_ops->check_mode)
- ret = mixer_ops->check_mode(ctx->mixer_ctx->ctx, mode);
-
- if (ret)
- return ret;
-
- if (hdmi_ops && hdmi_ops->check_mode)
- return hdmi_ops->check_mode(ctx->hdmi_ctx->ctx, mode);
-
- return 0;
-}
-
-static int drm_hdmi_power_on(struct device *dev, int mode)
-{
- struct drm_hdmi_context *ctx = to_context(dev);
-
- if (hdmi_ops && hdmi_ops->power_on)
- return hdmi_ops->power_on(ctx->hdmi_ctx->ctx, mode);
-
- return 0;
-}
-
-static struct exynos_drm_display_ops drm_hdmi_display_ops = {
- .type = EXYNOS_DISPLAY_TYPE_HDMI,
- .is_connected = drm_hdmi_is_connected,
- .get_edid = drm_hdmi_get_edid,
- .check_mode = drm_hdmi_check_mode,
- .power_on = drm_hdmi_power_on,
-};
-
-static int drm_hdmi_enable_vblank(struct device *subdrv_dev)
-{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
- struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
- struct exynos_drm_manager *manager = subdrv->manager;
-
- if (mixer_ops && mixer_ops->enable_vblank)
- return mixer_ops->enable_vblank(ctx->mixer_ctx->ctx,
- manager->pipe);
-
- return 0;
-}
-
-static void drm_hdmi_disable_vblank(struct device *subdrv_dev)
-{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
-
- if (mixer_ops && mixer_ops->disable_vblank)
- return mixer_ops->disable_vblank(ctx->mixer_ctx->ctx);
-}
-
-static void drm_hdmi_wait_for_vblank(struct device *subdrv_dev)
-{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
-
- if (mixer_ops && mixer_ops->wait_for_vblank)
- mixer_ops->wait_for_vblank(ctx->mixer_ctx->ctx);
-}
-
-static void drm_hdmi_mode_fixup(struct device *subdrv_dev,
- struct drm_connector *connector,
- const struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- struct drm_display_mode *m;
- int mode_ok;
-
- drm_mode_set_crtcinfo(adjusted_mode, 0);
-
- mode_ok = drm_hdmi_check_mode(subdrv_dev, adjusted_mode);
-
- /* just return if user desired mode exists. */
- if (mode_ok == 0)
- return;
-
- /*
- * otherwise, find the most suitable mode among modes and change it
- * to adjusted_mode.
- */
- list_for_each_entry(m, &connector->modes, head) {
- mode_ok = drm_hdmi_check_mode(subdrv_dev, m);
-
- if (mode_ok == 0) {
- struct drm_mode_object base;
- struct list_head head;
-
- DRM_INFO("desired mode doesn't exist so\n");
- DRM_INFO("use the most suitable mode among modes.\n");
-
- DRM_DEBUG_KMS("Adjusted Mode: [%d]x[%d] [%d]Hz\n",
- m->hdisplay, m->vdisplay, m->vrefresh);
-
- /* preserve display mode header while copying. */
- head = adjusted_mode->head;
- base = adjusted_mode->base;
- memcpy(adjusted_mode, m, sizeof(*m));
- adjusted_mode->head = head;
- adjusted_mode->base = base;
- break;
- }
- }
-}
-
-static void drm_hdmi_mode_set(struct device *subdrv_dev, void *mode)
-{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
-
- if (hdmi_ops && hdmi_ops->mode_set)
- hdmi_ops->mode_set(ctx->hdmi_ctx->ctx, mode);
-}
-
-static void drm_hdmi_get_max_resol(struct device *subdrv_dev,
- unsigned int *width, unsigned int *height)
-{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
-
- if (hdmi_ops && hdmi_ops->get_max_resol)
- hdmi_ops->get_max_resol(ctx->hdmi_ctx->ctx, width, height);
-}
-
-static void drm_hdmi_commit(struct device *subdrv_dev)
-{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
-
- if (hdmi_ops && hdmi_ops->commit)
- hdmi_ops->commit(ctx->hdmi_ctx->ctx);
-}
-
-static void drm_hdmi_dpms(struct device *subdrv_dev, int mode)
-{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
-
- if (mixer_ops && mixer_ops->dpms)
- mixer_ops->dpms(ctx->mixer_ctx->ctx, mode);
-
- if (hdmi_ops && hdmi_ops->dpms)
- hdmi_ops->dpms(ctx->hdmi_ctx->ctx, mode);
-}
-
-static void drm_hdmi_apply(struct device *subdrv_dev)
-{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
- int i;
-
- for (i = 0; i < MIXER_WIN_NR; i++) {
- if (!ctx->enabled[i])
- continue;
- if (mixer_ops && mixer_ops->win_commit)
- mixer_ops->win_commit(ctx->mixer_ctx->ctx, i);
- }
-
- if (hdmi_ops && hdmi_ops->commit)
- hdmi_ops->commit(ctx->hdmi_ctx->ctx);
-}
-
-static struct exynos_drm_manager_ops drm_hdmi_manager_ops = {
- .dpms = drm_hdmi_dpms,
- .apply = drm_hdmi_apply,
- .enable_vblank = drm_hdmi_enable_vblank,
- .disable_vblank = drm_hdmi_disable_vblank,
- .wait_for_vblank = drm_hdmi_wait_for_vblank,
- .mode_fixup = drm_hdmi_mode_fixup,
- .mode_set = drm_hdmi_mode_set,
- .get_max_resol = drm_hdmi_get_max_resol,
- .commit = drm_hdmi_commit,
-};
-
-static void drm_mixer_mode_set(struct device *subdrv_dev,
- struct exynos_drm_overlay *overlay)
-{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
-
- if (mixer_ops && mixer_ops->win_mode_set)
- mixer_ops->win_mode_set(ctx->mixer_ctx->ctx, overlay);
-}
-
-static void drm_mixer_commit(struct device *subdrv_dev, int zpos)
-{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
- int win = (zpos == DEFAULT_ZPOS) ? MIXER_DEFAULT_WIN : zpos;
-
- if (win < 0 || win >= MIXER_WIN_NR) {
- DRM_ERROR("mixer window[%d] is wrong\n", win);
- return;
- }
-
- if (mixer_ops && mixer_ops->win_commit)
- mixer_ops->win_commit(ctx->mixer_ctx->ctx, win);
-
- ctx->enabled[win] = true;
-}
-
-static void drm_mixer_disable(struct device *subdrv_dev, int zpos)
-{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
- int win = (zpos == DEFAULT_ZPOS) ? MIXER_DEFAULT_WIN : zpos;
-
- if (win < 0 || win >= MIXER_WIN_NR) {
- DRM_ERROR("mixer window[%d] is wrong\n", win);
- return;
- }
-
- if (mixer_ops && mixer_ops->win_disable)
- mixer_ops->win_disable(ctx->mixer_ctx->ctx, win);
-
- ctx->enabled[win] = false;
-}
-
-static struct exynos_drm_overlay_ops drm_hdmi_overlay_ops = {
- .mode_set = drm_mixer_mode_set,
- .commit = drm_mixer_commit,
- .disable = drm_mixer_disable,
-};
-
-static struct exynos_drm_manager hdmi_manager = {
- .pipe = -1,
- .ops = &drm_hdmi_manager_ops,
- .overlay_ops = &drm_hdmi_overlay_ops,
- .display_ops = &drm_hdmi_display_ops,
-};
-
-static int hdmi_subdrv_probe(struct drm_device *drm_dev,
- struct device *dev)
-{
- struct exynos_drm_subdrv *subdrv = to_subdrv(dev);
- struct drm_hdmi_context *ctx;
-
- if (!hdmi_ctx) {
- DRM_ERROR("hdmi context not initialized.\n");
- return -EFAULT;
- }
-
- if (!mixer_ctx) {
- DRM_ERROR("mixer context not initialized.\n");
- return -EFAULT;
- }
-
- ctx = get_ctx_from_subdrv(subdrv);
-
- if (!ctx) {
- DRM_ERROR("no drm hdmi context.\n");
- return -EFAULT;
- }
-
- ctx->hdmi_ctx = hdmi_ctx;
- ctx->mixer_ctx = mixer_ctx;
-
- ctx->hdmi_ctx->drm_dev = drm_dev;
- ctx->mixer_ctx->drm_dev = drm_dev;
-
- if (mixer_ops->iommu_on)
- mixer_ops->iommu_on(ctx->mixer_ctx->ctx, true);
-
- return 0;
-}
-
-static void hdmi_subdrv_remove(struct drm_device *drm_dev, struct device *dev)
-{
- struct drm_hdmi_context *ctx;
- struct exynos_drm_subdrv *subdrv = to_subdrv(dev);
-
- ctx = get_ctx_from_subdrv(subdrv);
-
- if (mixer_ops->iommu_on)
- mixer_ops->iommu_on(ctx->mixer_ctx->ctx, false);
-}
-
-static int exynos_drm_hdmi_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct exynos_drm_subdrv *subdrv;
- struct drm_hdmi_context *ctx;
-
- ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
- if (!ctx)
- return -ENOMEM;
-
- subdrv = &ctx->subdrv;
-
- subdrv->dev = dev;
- subdrv->manager = &hdmi_manager;
- subdrv->probe = hdmi_subdrv_probe;
- subdrv->remove = hdmi_subdrv_remove;
-
- platform_set_drvdata(pdev, subdrv);
-
- exynos_drm_subdrv_register(subdrv);
-
- return 0;
-}
-
-static int exynos_drm_hdmi_remove(struct platform_device *pdev)
-{
- struct drm_hdmi_context *ctx = platform_get_drvdata(pdev);
-
- exynos_drm_subdrv_unregister(&ctx->subdrv);
-
- return 0;
-}
-
-struct platform_driver exynos_drm_common_hdmi_driver = {
- .probe = exynos_drm_hdmi_probe,
- .remove = exynos_drm_hdmi_remove,
- .driver = {
- .name = "exynos-drm-hdmi",
- .owner = THIS_MODULE,
- },
-};
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
deleted file mode 100644
index 724cab181976..000000000000
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
+++ /dev/null
@@ -1,67 +0,0 @@
-/* exynos_drm_hdmi.h
- *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- * Authoer: Inki Dae <[email protected]>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#ifndef _EXYNOS_DRM_HDMI_H_
-#define _EXYNOS_DRM_HDMI_H_
-
-#define MIXER_WIN_NR 3
-#define MIXER_DEFAULT_WIN 0
-
-/*
- * exynos hdmi common context structure.
- *
- * @drm_dev: pointer to drm_device.
- * @ctx: pointer to the context of specific device driver.
- * this context should be hdmi_context or mixer_context.
- */
-struct exynos_drm_hdmi_context {
- struct drm_device *drm_dev;
- void *ctx;
-};
-
-struct exynos_hdmi_ops {
- /* display */
- bool (*is_connected)(void *ctx);
- struct edid *(*get_edid)(void *ctx,
- struct drm_connector *connector);
- int (*check_mode)(void *ctx, struct drm_display_mode *mode);
- int (*power_on)(void *ctx, int mode);
-
- /* manager */
- void (*mode_set)(void *ctx, struct drm_display_mode *mode);
- void (*get_max_resol)(void *ctx, unsigned int *width,
- unsigned int *height);
- void (*commit)(void *ctx);
- void (*dpms)(void *ctx, int mode);
-};
-
-struct exynos_mixer_ops {
- /* manager */
- int (*iommu_on)(void *ctx, bool enable);
- int (*enable_vblank)(void *ctx, int pipe);
- void (*disable_vblank)(void *ctx);
- void (*wait_for_vblank)(void *ctx);
- void (*dpms)(void *ctx, int mode);
-
- /* overlay */
- void (*win_mode_set)(void *ctx, struct exynos_drm_overlay *overlay);
- void (*win_commit)(void *ctx, int zpos);
- void (*win_disable)(void *ctx, int zpos);
-
- /* display */
- int (*check_mode)(void *ctx, struct drm_display_mode *mode);
-};
-
-void exynos_hdmi_drv_attach(struct exynos_drm_hdmi_context *ctx);
-void exynos_mixer_drv_attach(struct exynos_drm_hdmi_context *ctx);
-void exynos_hdmi_ops_register(struct exynos_hdmi_ops *ops);
-void exynos_mixer_ops_register(struct exynos_mixer_ops *ops);
-#endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c
index fcb0652e77d0..e0db2b3f7ada 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c
@@ -13,7 +13,7 @@
#include <drm/exynos_drm.h>
#include "exynos_drm_drv.h"
-#include "exynos_drm_encoder.h"
+#include "exynos_drm_crtc.h"
#include "exynos_drm_fb.h"
#include "exynos_drm_gem.h"
#include "exynos_drm_plane.h"
@@ -139,7 +139,7 @@ int exynos_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc,
overlay->crtc_x, overlay->crtc_y,
overlay->crtc_width, overlay->crtc_height);
- exynos_drm_fn_encoder(crtc, overlay, exynos_drm_encoder_plane_mode_set);
+ exynos_drm_crtc_plane_mode_set(crtc, overlay);
return 0;
}
@@ -149,8 +149,7 @@ void exynos_plane_commit(struct drm_plane *plane)
struct exynos_plane *exynos_plane = to_exynos_plane(plane);
struct exynos_drm_overlay *overlay = &exynos_plane->overlay;
- exynos_drm_fn_encoder(plane->crtc, &overlay->zpos,
- exynos_drm_encoder_plane_commit);
+ exynos_drm_crtc_plane_commit(plane->crtc, overlay->zpos);
}
void exynos_plane_dpms(struct drm_plane *plane, int mode)
@@ -162,17 +161,13 @@ void exynos_plane_dpms(struct drm_plane *plane, int mode)
if (exynos_plane->enabled)
return;
- exynos_drm_fn_encoder(plane->crtc, &overlay->zpos,
- exynos_drm_encoder_plane_enable);
-
+ exynos_drm_crtc_plane_enable(plane->crtc, overlay->zpos);
exynos_plane->enabled = true;
} else {
if (!exynos_plane->enabled)
return;
- exynos_drm_fn_encoder(plane->crtc, &overlay->zpos,
- exynos_drm_encoder_plane_disable);
-
+ exynos_drm_crtc_plane_disable(plane->crtc, overlay->zpos);
exynos_plane->enabled = false;
}
}
@@ -259,7 +254,7 @@ static void exynos_plane_attach_zpos_property(struct drm_plane *plane)
}
struct drm_plane *exynos_plane_init(struct drm_device *dev,
- unsigned int possible_crtcs, bool priv)
+ unsigned long possible_crtcs, bool priv)
{
struct exynos_plane *exynos_plane;
int err;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.h b/drivers/gpu/drm/exynos/exynos_drm_plane.h
index 88312458580d..84d464c90d3d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.h
@@ -17,4 +17,4 @@ int exynos_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc,
void exynos_plane_commit(struct drm_plane *plane);
void exynos_plane_dpms(struct drm_plane *plane, int mode);
struct drm_plane *exynos_plane_init(struct drm_device *dev,
- unsigned int possible_crtcs, bool priv);
+ unsigned long possible_crtcs, bool priv);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index ddaaedde173d..7afead9c3f30 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -28,7 +28,9 @@
/* vidi has totally three virtual windows. */
#define WINDOWS_NR 3
-#define get_vidi_context(dev) platform_get_drvdata(to_platform_device(dev))
+#define get_vidi_mgr(dev) platform_get_drvdata(to_platform_device(dev))
+#define ctx_from_connector(c) container_of(c, struct vidi_context, \
+ connector)
struct vidi_win_data {
unsigned int offset_x;
@@ -45,8 +47,10 @@ struct vidi_win_data {
};
struct vidi_context {
- struct exynos_drm_subdrv subdrv;
+ struct drm_device *drm_dev;
struct drm_crtc *crtc;
+ struct drm_encoder *encoder;
+ struct drm_connector connector;
struct vidi_win_data win_data[WINDOWS_NR];
struct edid *raw_edid;
unsigned int clkdiv;
@@ -58,6 +62,7 @@ struct vidi_context {
bool direct_vblank;
struct work_struct work;
struct mutex lock;
+ int pipe;
};
static const char fake_edid_info[] = {
@@ -85,126 +90,34 @@ static const char fake_edid_info[] = {
0x00, 0x00, 0x00, 0x06
};
-static bool vidi_display_is_connected(struct device *dev)
+static void vidi_apply(struct exynos_drm_manager *mgr)
{
- struct vidi_context *ctx = get_vidi_context(dev);
-
- /*
- * connection request would come from user side
- * to do hotplug through specific ioctl.
- */
- return ctx->connected ? true : false;
-}
-
-static struct edid *vidi_get_edid(struct device *dev,
- struct drm_connector *connector)
-{
- struct vidi_context *ctx = get_vidi_context(dev);
- struct edid *edid;
-
- /*
- * the edid data comes from user side and it would be set
- * to ctx->raw_edid through specific ioctl.
- */
- if (!ctx->raw_edid) {
- DRM_DEBUG_KMS("raw_edid is null.\n");
- return ERR_PTR(-EFAULT);
- }
-
- edid = drm_edid_duplicate(ctx->raw_edid);
- if (!edid) {
- DRM_DEBUG_KMS("failed to allocate edid\n");
- return ERR_PTR(-ENOMEM);
- }
-
- return edid;
-}
-
-static void *vidi_get_panel(struct device *dev)
-{
- /* TODO. */
-
- return NULL;
-}
-
-static int vidi_check_mode(struct device *dev, struct drm_display_mode *mode)
-{
- /* TODO. */
-
- return 0;
-}
-
-static int vidi_display_power_on(struct device *dev, int mode)
-{
- /* TODO */
-
- return 0;
-}
-
-static struct exynos_drm_display_ops vidi_display_ops = {
- .type = EXYNOS_DISPLAY_TYPE_VIDI,
- .is_connected = vidi_display_is_connected,
- .get_edid = vidi_get_edid,
- .get_panel = vidi_get_panel,
- .check_mode = vidi_check_mode,
- .power_on = vidi_display_power_on,
-};
-
-static void vidi_dpms(struct device *subdrv_dev, int mode)
-{
- struct vidi_context *ctx = get_vidi_context(subdrv_dev);
-
- DRM_DEBUG_KMS("%d\n", mode);
-
- mutex_lock(&ctx->lock);
-
- switch (mode) {
- case DRM_MODE_DPMS_ON:
- /* TODO. */
- break;
- case DRM_MODE_DPMS_STANDBY:
- case DRM_MODE_DPMS_SUSPEND:
- case DRM_MODE_DPMS_OFF:
- /* TODO. */
- break;
- default:
- DRM_DEBUG_KMS("unspecified mode %d\n", mode);
- break;
- }
-
- mutex_unlock(&ctx->lock);
-}
-
-static void vidi_apply(struct device *subdrv_dev)
-{
- struct vidi_context *ctx = get_vidi_context(subdrv_dev);
- struct exynos_drm_manager *mgr = ctx->subdrv.manager;
+ struct vidi_context *ctx = mgr->ctx;
struct exynos_drm_manager_ops *mgr_ops = mgr->ops;
- struct exynos_drm_overlay_ops *ovl_ops = mgr->overlay_ops;
struct vidi_win_data *win_data;
int i;
for (i = 0; i < WINDOWS_NR; i++) {
win_data = &ctx->win_data[i];
- if (win_data->enabled && (ovl_ops && ovl_ops->commit))
- ovl_ops->commit(subdrv_dev, i);
+ if (win_data->enabled && (mgr_ops && mgr_ops->win_commit))
+ mgr_ops->win_commit(mgr, i);
}
if (mgr_ops && mgr_ops->commit)
- mgr_ops->commit(subdrv_dev);
+ mgr_ops->commit(mgr);
}
-static void vidi_commit(struct device *dev)
+static void vidi_commit(struct exynos_drm_manager *mgr)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct vidi_context *ctx = mgr->ctx;
if (ctx->suspended)
return;
}
-static int vidi_enable_vblank(struct device *dev)
+static int vidi_enable_vblank(struct exynos_drm_manager *mgr)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct vidi_context *ctx = mgr->ctx;
if (ctx->suspended)
return -EPERM;
@@ -217,16 +130,16 @@ static int vidi_enable_vblank(struct device *dev)
/*
* in case of page flip request, vidi_finish_pageflip function
* will not be called because direct_vblank is true and then
- * that function will be called by overlay_ops->commit callback
+ * that function will be called by manager_ops->win_commit callback
*/
schedule_work(&ctx->work);
return 0;
}
-static void vidi_disable_vblank(struct device *dev)
+static void vidi_disable_vblank(struct exynos_drm_manager *mgr)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct vidi_context *ctx = mgr->ctx;
if (ctx->suspended)
return;
@@ -235,24 +148,16 @@ static void vidi_disable_vblank(struct device *dev)
ctx->vblank_on = false;
}
-static struct exynos_drm_manager_ops vidi_manager_ops = {
- .dpms = vidi_dpms,
- .apply = vidi_apply,
- .commit = vidi_commit,
- .enable_vblank = vidi_enable_vblank,
- .disable_vblank = vidi_disable_vblank,
-};
-
-static void vidi_win_mode_set(struct device *dev,
- struct exynos_drm_overlay *overlay)
+static void vidi_win_mode_set(struct exynos_drm_manager *mgr,
+ struct exynos_drm_overlay *overlay)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct vidi_context *ctx = mgr->ctx;
struct vidi_win_data *win_data;
int win;
unsigned long offset;
if (!overlay) {
- dev_err(dev, "overlay is NULL\n");
+ DRM_ERROR("overlay is NULL\n");
return;
}
@@ -296,9 +201,9 @@ static void vidi_win_mode_set(struct device *dev,
overlay->fb_width, overlay->crtc_width);
}
-static void vidi_win_commit(struct device *dev, int zpos)
+static void vidi_win_commit(struct exynos_drm_manager *mgr, int zpos)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct vidi_context *ctx = mgr->ctx;
struct vidi_win_data *win_data;
int win = zpos;
@@ -321,9 +226,9 @@ static void vidi_win_commit(struct device *dev, int zpos)
schedule_work(&ctx->work);
}
-static void vidi_win_disable(struct device *dev, int zpos)
+static void vidi_win_disable(struct exynos_drm_manager *mgr, int zpos)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct vidi_context *ctx = mgr->ctx;
struct vidi_win_data *win_data;
int win = zpos;
@@ -339,98 +244,132 @@ static void vidi_win_disable(struct device *dev, int zpos)
/* TODO. */
}
-static struct exynos_drm_overlay_ops vidi_overlay_ops = {
- .mode_set = vidi_win_mode_set,
- .commit = vidi_win_commit,
- .disable = vidi_win_disable,
-};
+static int vidi_power_on(struct exynos_drm_manager *mgr, bool enable)
+{
+ struct vidi_context *ctx = mgr->ctx;
-static struct exynos_drm_manager vidi_manager = {
- .pipe = -1,
- .ops = &vidi_manager_ops,
- .overlay_ops = &vidi_overlay_ops,
- .display_ops = &vidi_display_ops,
-};
+ DRM_DEBUG_KMS("%s\n", __FILE__);
-static void vidi_fake_vblank_handler(struct work_struct *work)
-{
- struct vidi_context *ctx = container_of(work, struct vidi_context,
- work);
- struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
- struct exynos_drm_manager *manager = subdrv->manager;
+ if (enable != false && enable != true)
+ return -EINVAL;
- if (manager->pipe < 0)
- return;
+ if (enable) {
+ ctx->suspended = false;
- /* refresh rate is about 50Hz. */
- usleep_range(16000, 20000);
+ /* if vblank was enabled status, enable it again. */
+ if (test_and_clear_bit(0, &ctx->irq_flags))
+ vidi_enable_vblank(mgr);
+
+ vidi_apply(mgr);
+ } else {
+ ctx->suspended = true;
+ }
+
+ return 0;
+}
+
+static void vidi_dpms(struct exynos_drm_manager *mgr, int mode)
+{
+ struct vidi_context *ctx = mgr->ctx;
+
+ DRM_DEBUG_KMS("%d\n", mode);
mutex_lock(&ctx->lock);
- if (ctx->direct_vblank) {
- drm_handle_vblank(subdrv->drm_dev, manager->pipe);
- ctx->direct_vblank = false;
- mutex_unlock(&ctx->lock);
- return;
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ vidi_power_on(mgr, true);
+ break;
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ case DRM_MODE_DPMS_OFF:
+ vidi_power_on(mgr, false);
+ break;
+ default:
+ DRM_DEBUG_KMS("unspecified mode %d\n", mode);
+ break;
}
mutex_unlock(&ctx->lock);
-
- exynos_drm_crtc_finish_pageflip(subdrv->drm_dev, manager->pipe);
}
-static int vidi_subdrv_probe(struct drm_device *drm_dev, struct device *dev)
+static int vidi_mgr_initialize(struct exynos_drm_manager *mgr,
+ struct drm_device *drm_dev, int pipe)
{
+ struct vidi_context *ctx = mgr->ctx;
+
+ DRM_ERROR("vidi initialize ct=%p dev=%p pipe=%d\n", ctx, drm_dev, pipe);
+
+ ctx->drm_dev = drm_dev;
+ ctx->pipe = pipe;
+
/*
* enable drm irq mode.
- * - with irq_enabled = true, we can use the vblank feature.
+ * - with irq_enabled = 1, we can use the vblank feature.
*
* P.S. note that we wouldn't use drm irq handler but
* just specific driver own one instead because
* drm framework supports only one irq handler.
*/
- drm_dev->irq_enabled = true;
+ drm_dev->irq_enabled = 1;
/*
- * with vblank_disable_allowed = true, vblank interrupt will be disabled
+ * with vblank_disable_allowed = 1, vblank interrupt will be disabled
* by drm timer once a current process gives up ownership of
* vblank event.(after drm_vblank_put function is called)
*/
- drm_dev->vblank_disable_allowed = true;
+ drm_dev->vblank_disable_allowed = 1;
return 0;
}
-static void vidi_subdrv_remove(struct drm_device *drm_dev, struct device *dev)
-{
- /* TODO. */
-}
+static struct exynos_drm_manager_ops vidi_manager_ops = {
+ .initialize = vidi_mgr_initialize,
+ .dpms = vidi_dpms,
+ .commit = vidi_commit,
+ .enable_vblank = vidi_enable_vblank,
+ .disable_vblank = vidi_disable_vblank,
+ .win_mode_set = vidi_win_mode_set,
+ .win_commit = vidi_win_commit,
+ .win_disable = vidi_win_disable,
+};
-static int vidi_power_on(struct vidi_context *ctx, bool enable)
+static struct exynos_drm_manager vidi_manager = {
+ .type = EXYNOS_DISPLAY_TYPE_VIDI,
+ .ops = &vidi_manager_ops,
+};
+
+static void vidi_fake_vblank_handler(struct work_struct *work)
{
- struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
- struct device *dev = subdrv->dev;
+ struct vidi_context *ctx = container_of(work, struct vidi_context,
+ work);
- if (enable) {
- ctx->suspended = false;
+ if (ctx->pipe < 0)
+ return;
- /* if vblank was enabled status, enable it again. */
- if (test_and_clear_bit(0, &ctx->irq_flags))
- vidi_enable_vblank(dev);
+ /* refresh rate is about 50Hz. */
+ usleep_range(16000, 20000);
- vidi_apply(dev);
- } else {
- ctx->suspended = true;
+ mutex_lock(&ctx->lock);
+
+ if (ctx->direct_vblank) {
+ drm_handle_vblank(ctx->drm_dev, ctx->pipe);
+ ctx->direct_vblank = false;
+ mutex_unlock(&ctx->lock);
+ return;
}
- return 0;
+ mutex_unlock(&ctx->lock);
+
+ exynos_drm_crtc_finish_pageflip(ctx->drm_dev, ctx->pipe);
}
static int vidi_show_connection(struct device *dev,
struct device_attribute *attr, char *buf)
{
int rc;
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct exynos_drm_manager *mgr = get_vidi_mgr(dev);
+ struct vidi_context *ctx = mgr->ctx;
mutex_lock(&ctx->lock);
@@ -445,7 +384,8 @@ static int vidi_store_connection(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t len)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct exynos_drm_manager *mgr = get_vidi_mgr(dev);
+ struct vidi_context *ctx = mgr->ctx;
int ret;
ret = kstrtoint(buf, 0, &ctx->connected);
@@ -467,7 +407,7 @@ static int vidi_store_connection(struct device *dev,
DRM_DEBUG_KMS("requested connection.\n");
- drm_helper_hpd_irq_event(ctx->subdrv.drm_dev);
+ drm_helper_hpd_irq_event(ctx->drm_dev);
return len;
}
@@ -480,8 +420,7 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
{
struct vidi_context *ctx = NULL;
struct drm_encoder *encoder;
- struct exynos_drm_manager *manager;
- struct exynos_drm_display_ops *display_ops;
+ struct exynos_drm_display *display;
struct drm_exynos_vidi_connection *vidi = data;
if (!vidi) {
@@ -496,11 +435,10 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
list_for_each_entry(encoder, &drm_dev->mode_config.encoder_list,
head) {
- manager = exynos_drm_get_manager(encoder);
- display_ops = manager->display_ops;
+ display = exynos_drm_get_display(encoder);
- if (display_ops->type == EXYNOS_DISPLAY_TYPE_VIDI) {
- ctx = get_vidi_context(manager->dev);
+ if (display->type == EXYNOS_DISPLAY_TYPE_VIDI) {
+ ctx = display->ctx;
break;
}
}
@@ -539,16 +477,119 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
}
ctx->connected = vidi->connection;
- drm_helper_hpd_irq_event(ctx->subdrv.drm_dev);
+ drm_helper_hpd_irq_event(ctx->drm_dev);
+
+ return 0;
+}
+
+static enum drm_connector_status vidi_detect(struct drm_connector *connector,
+ bool force)
+{
+ struct vidi_context *ctx = ctx_from_connector(connector);
+
+ /*
+ * connection request would come from user side
+ * to do hotplug through specific ioctl.
+ */
+ return ctx->connected ? connector_status_connected :
+ connector_status_disconnected;
+}
+
+static void vidi_connector_destroy(struct drm_connector *connector)
+{
+}
+
+static struct drm_connector_funcs vidi_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .detect = vidi_detect,
+ .destroy = vidi_connector_destroy,
+};
+
+static int vidi_get_modes(struct drm_connector *connector)
+{
+ struct vidi_context *ctx = ctx_from_connector(connector);
+ struct edid *edid;
+ int edid_len;
+
+ /*
+ * the edid data comes from user side and it would be set
+ * to ctx->raw_edid through specific ioctl.
+ */
+ if (!ctx->raw_edid) {
+ DRM_DEBUG_KMS("raw_edid is null.\n");
+ return -EFAULT;
+ }
+
+ edid_len = (1 + ctx->raw_edid->extensions) * EDID_LENGTH;
+ edid = kmemdup(ctx->raw_edid, edid_len, GFP_KERNEL);
+ if (!edid) {
+ DRM_DEBUG_KMS("failed to allocate edid\n");
+ return -ENOMEM;
+ }
+
+ drm_mode_connector_update_edid_property(connector, edid);
+
+ return drm_add_edid_modes(connector, edid);
+}
+
+static int vidi_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ return MODE_OK;
+}
+
+static struct drm_encoder *vidi_best_encoder(struct drm_connector *connector)
+{
+ struct vidi_context *ctx = ctx_from_connector(connector);
+
+ return ctx->encoder;
+}
+
+static struct drm_connector_helper_funcs vidi_connector_helper_funcs = {
+ .get_modes = vidi_get_modes,
+ .mode_valid = vidi_mode_valid,
+ .best_encoder = vidi_best_encoder,
+};
+
+static int vidi_create_connector(struct exynos_drm_display *display,
+ struct drm_encoder *encoder)
+{
+ struct vidi_context *ctx = display->ctx;
+ struct drm_connector *connector = &ctx->connector;
+ int ret;
+
+ ctx->encoder = encoder;
+ connector->polled = DRM_CONNECTOR_POLL_HPD;
+
+ ret = drm_connector_init(ctx->drm_dev, connector,
+ &vidi_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
+ if (ret) {
+ DRM_ERROR("Failed to initialize connector with drm\n");
+ return ret;
+ }
+
+ drm_connector_helper_add(connector, &vidi_connector_helper_funcs);
+ drm_sysfs_connector_add(connector);
+ drm_mode_connector_attach_encoder(connector, encoder);
return 0;
}
+
+static struct exynos_drm_display_ops vidi_display_ops = {
+ .create_connector = vidi_create_connector,
+};
+
+static struct exynos_drm_display vidi_display = {
+ .type = EXYNOS_DISPLAY_TYPE_VIDI,
+ .ops = &vidi_display_ops,
+};
+
static int vidi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct vidi_context *ctx;
- struct exynos_drm_subdrv *subdrv;
int ret;
ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
@@ -559,21 +600,19 @@ static int vidi_probe(struct platform_device *pdev)
INIT_WORK(&ctx->work, vidi_fake_vblank_handler);
- subdrv = &ctx->subdrv;
- subdrv->dev = dev;
- subdrv->manager = &vidi_manager;
- subdrv->probe = vidi_subdrv_probe;
- subdrv->remove = vidi_subdrv_remove;
+ vidi_manager.ctx = ctx;
+ vidi_display.ctx = ctx;
mutex_init(&ctx->lock);
- platform_set_drvdata(pdev, ctx);
+ platform_set_drvdata(pdev, &vidi_manager);
ret = device_create_file(dev, &dev_attr_connection);
if (ret < 0)
DRM_INFO("failed to create connection sysfs.\n");
- exynos_drm_subdrv_register(subdrv);
+ exynos_drm_manager_register(&vidi_manager);
+ exynos_drm_display_register(&vidi_display);
return 0;
}
@@ -582,7 +621,8 @@ static int vidi_remove(struct platform_device *pdev)
{
struct vidi_context *ctx = platform_get_drvdata(pdev);
- exynos_drm_subdrv_unregister(&ctx->subdrv);
+ exynos_drm_display_unregister(&vidi_display);
+ exynos_drm_manager_unregister(&vidi_manager);
if (ctx->raw_edid != (struct edid *)fake_edid_info) {
kfree(ctx->raw_edid);
@@ -592,32 +632,11 @@ static int vidi_remove(struct platform_device *pdev)
return 0;
}
-#ifdef CONFIG_PM_SLEEP
-static int vidi_suspend(struct device *dev)
-{
- struct vidi_context *ctx = get_vidi_context(dev);
-
- return vidi_power_on(ctx, false);
-}
-
-static int vidi_resume(struct device *dev)
-{
- struct vidi_context *ctx = get_vidi_context(dev);
-
- return vidi_power_on(ctx, true);
-}
-#endif
-
-static const struct dev_pm_ops vidi_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(vidi_suspend, vidi_resume)
-};
-
struct platform_driver vidi_driver = {
.probe = vidi_probe,
.remove = vidi_remove,
.driver = {
.name = "exynos-drm-vidi",
.owner = THIS_MODULE,
- .pm = &vidi_pm_ops,
},
};
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index c021ddc1ffb4..9a6d652a3ef2 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -33,38 +33,42 @@
#include <linux/regulator/consumer.h>
#include <linux/io.h>
#include <linux/of.h>
+#include <linux/i2c.h>
#include <linux/of_gpio.h>
#include <linux/hdmi.h>
#include <drm/exynos_drm.h>
#include "exynos_drm_drv.h"
-#include "exynos_drm_hdmi.h"
-
-#include "exynos_hdmi.h"
+#include "exynos_mixer.h"
#include <linux/gpio.h>
#include <media/s5p_hdmi.h>
-#define MAX_WIDTH 1920
-#define MAX_HEIGHT 1080
-#define get_hdmi_context(dev) platform_get_drvdata(to_platform_device(dev))
+#define get_hdmi_display(dev) platform_get_drvdata(to_platform_device(dev))
+#define ctx_from_connector(c) container_of(c, struct hdmi_context, connector)
/* AVI header and aspect ratio */
#define HDMI_AVI_VERSION 0x02
#define HDMI_AVI_LENGTH 0x0D
-#define AVI_PIC_ASPECT_RATIO_16_9 (2 << 4)
-#define AVI_SAME_AS_PIC_ASPECT_RATIO 8
/* AUI header info */
#define HDMI_AUI_VERSION 0x01
#define HDMI_AUI_LENGTH 0x0A
+#define AVI_SAME_AS_PIC_ASPECT_RATIO 0x8
+#define AVI_4_3_CENTER_RATIO 0x9
+#define AVI_16_9_CENTER_RATIO 0xa
enum hdmi_type {
HDMI_TYPE13,
HDMI_TYPE14,
};
+struct hdmi_driver_data {
+ unsigned int type;
+ unsigned int is_apb_phy:1;
+};
+
struct hdmi_resources {
struct clk *hdmi;
struct clk *sclk_hdmi;
@@ -162,6 +166,7 @@ struct hdmi_v14_conf {
struct hdmi_conf_regs {
int pixel_clock;
int cea_video_id;
+ enum hdmi_picture_aspect aspect_ratio;
union {
struct hdmi_v13_conf v13_conf;
struct hdmi_v14_conf v14_conf;
@@ -171,16 +176,17 @@ struct hdmi_conf_regs {
struct hdmi_context {
struct device *dev;
struct drm_device *drm_dev;
+ struct drm_connector connector;
+ struct drm_encoder *encoder;
bool hpd;
bool powered;
bool dvi_mode;
struct mutex hdmi_mutex;
void __iomem *regs;
- void *parent_ctx;
int irq;
- struct i2c_client *ddc_port;
+ struct i2c_adapter *ddc_adpt;
struct i2c_client *hdmiphy_port;
/* current hdmiphy conf regs */
@@ -198,6 +204,14 @@ struct hdmiphy_config {
u8 conf[32];
};
+struct hdmi_driver_data exynos4212_hdmi_driver_data = {
+ .type = HDMI_TYPE14,
+};
+
+struct hdmi_driver_data exynos5_hdmi_driver_data = {
+ .type = HDMI_TYPE14,
+};
+
/* list of phy config settings */
static const struct hdmiphy_config hdmiphy_v13_configs[] = {
{
@@ -303,6 +317,24 @@ static const struct hdmiphy_config hdmiphy_v14_configs[] = {
},
},
{
+ .pixel_clock = 71000000,
+ .conf = {
+ 0x01, 0x91, 0x1e, 0x15, 0x40, 0x3c, 0xce, 0x08,
+ 0x04, 0x20, 0xb2, 0xd8, 0x45, 0xa0, 0xac, 0x80,
+ 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0xad, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 73250000,
+ .conf = {
+ 0x01, 0xd1, 0x1f, 0x15, 0x40, 0x18, 0xe9, 0x08,
+ 0x02, 0xa0, 0xb7, 0xd8, 0x45, 0xa0, 0xac, 0x80,
+ 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0xa8, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
.pixel_clock = 74176000,
.conf = {
0x01, 0xd1, 0x3e, 0x35, 0x40, 0x5b, 0xde, 0x08,
@@ -330,6 +362,15 @@ static const struct hdmiphy_config hdmiphy_v14_configs[] = {
},
},
{
+ .pixel_clock = 88750000,
+ .conf = {
+ 0x01, 0x91, 0x25, 0x17, 0x40, 0x30, 0xfe, 0x08,
+ 0x06, 0x20, 0xde, 0xd8, 0x45, 0xa0, 0xac, 0x80,
+ 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0x8a, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
.pixel_clock = 106500000,
.conf = {
0x01, 0xd1, 0x2c, 0x12, 0x40, 0x0c, 0x09, 0x08,
@@ -348,6 +389,24 @@ static const struct hdmiphy_config hdmiphy_v14_configs[] = {
},
},
{
+ .pixel_clock = 115500000,
+ .conf = {
+ 0x01, 0xd1, 0x30, 0x1a, 0x40, 0x40, 0x10, 0x04,
+ 0x04, 0xa0, 0x21, 0xd9, 0x45, 0xa0, 0xac, 0x80,
+ 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0xaa, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 119000000,
+ .conf = {
+ 0x01, 0x91, 0x32, 0x14, 0x40, 0x60, 0xd8, 0x08,
+ 0x06, 0x20, 0x2a, 0xd9, 0x45, 0xa0, 0xac, 0x80,
+ 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0x9d, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
.pixel_clock = 146250000,
.conf = {
0x01, 0xd1, 0x3d, 0x15, 0x40, 0x18, 0xfd, 0x08,
@@ -668,7 +727,6 @@ static void hdmi_reg_infoframe(struct hdmi_context *hdata,
{
u32 hdr_sum;
u8 chksum;
- u32 aspect_ratio;
u32 mod;
u32 vic;
@@ -697,10 +755,28 @@ static void hdmi_reg_infoframe(struct hdmi_context *hdata,
AVI_ACTIVE_FORMAT_VALID |
AVI_UNDERSCANNED_DISPLAY_VALID);
- aspect_ratio = AVI_PIC_ASPECT_RATIO_16_9;
-
- hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(2), aspect_ratio |
- AVI_SAME_AS_PIC_ASPECT_RATIO);
+ /*
+ * Set the aspect ratio as per the mode, mentioned in
+ * Table 9 AVI InfoFrame Data Byte 2 of CEA-861-D Standard
+ */
+ switch (hdata->mode_conf.aspect_ratio) {
+ case HDMI_PICTURE_ASPECT_4_3:
+ hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(2),
+ hdata->mode_conf.aspect_ratio |
+ AVI_4_3_CENTER_RATIO);
+ break;
+ case HDMI_PICTURE_ASPECT_16_9:
+ hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(2),
+ hdata->mode_conf.aspect_ratio |
+ AVI_16_9_CENTER_RATIO);
+ break;
+ case HDMI_PICTURE_ASPECT_NONE:
+ default:
+ hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(2),
+ hdata->mode_conf.aspect_ratio |
+ AVI_SAME_AS_PIC_ASPECT_RATIO);
+ break;
+ }
vic = hdata->mode_conf.cea_video_id;
hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(4), vic);
@@ -728,31 +804,46 @@ static void hdmi_reg_infoframe(struct hdmi_context *hdata,
}
}
-static bool hdmi_is_connected(void *ctx)
+static enum drm_connector_status hdmi_detect(struct drm_connector *connector,
+ bool force)
{
- struct hdmi_context *hdata = ctx;
+ struct hdmi_context *hdata = ctx_from_connector(connector);
+
+ return hdata->hpd ? connector_status_connected :
+ connector_status_disconnected;
+}
- return hdata->hpd;
+static void hdmi_connector_destroy(struct drm_connector *connector)
+{
}
-static struct edid *hdmi_get_edid(void *ctx, struct drm_connector *connector)
+static struct drm_connector_funcs hdmi_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .detect = hdmi_detect,
+ .destroy = hdmi_connector_destroy,
+};
+
+static int hdmi_get_modes(struct drm_connector *connector)
{
- struct edid *raw_edid;
- struct hdmi_context *hdata = ctx;
+ struct hdmi_context *hdata = ctx_from_connector(connector);
+ struct edid *edid;
- if (!hdata->ddc_port)
- return ERR_PTR(-ENODEV);
+ if (!hdata->ddc_adpt)
+ return -ENODEV;
- raw_edid = drm_get_edid(connector, hdata->ddc_port->adapter);
- if (!raw_edid)
- return ERR_PTR(-ENODEV);
+ edid = drm_get_edid(connector, hdata->ddc_adpt);
+ if (!edid)
+ return -ENODEV;
- hdata->dvi_mode = !drm_detect_hdmi_monitor(raw_edid);
+ hdata->dvi_mode = !drm_detect_hdmi_monitor(edid);
DRM_DEBUG_KMS("%s : width[%d] x height[%d]\n",
(hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"),
- raw_edid->width_cm, raw_edid->height_cm);
+ edid->width_cm, edid->height_cm);
- return raw_edid;
+ drm_mode_connector_update_edid_property(connector, edid);
+
+ return drm_add_edid_modes(connector, edid);
}
static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock)
@@ -777,9 +868,10 @@ static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock)
return -EINVAL;
}
-static int hdmi_check_mode(void *ctx, struct drm_display_mode *mode)
+static int hdmi_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
{
- struct hdmi_context *hdata = ctx;
+ struct hdmi_context *hdata = ctx_from_connector(connector);
int ret;
DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n",
@@ -787,12 +879,103 @@ static int hdmi_check_mode(void *ctx, struct drm_display_mode *mode)
(mode->flags & DRM_MODE_FLAG_INTERLACE) ? true :
false, mode->clock * 1000);
+ ret = mixer_check_mode(mode);
+ if (ret)
+ return MODE_BAD;
+
ret = hdmi_find_phy_conf(hdata, mode->clock * 1000);
if (ret < 0)
+ return MODE_BAD;
+
+ return MODE_OK;
+}
+
+static struct drm_encoder *hdmi_best_encoder(struct drm_connector *connector)
+{
+ struct hdmi_context *hdata = ctx_from_connector(connector);
+
+ return hdata->encoder;
+}
+
+static struct drm_connector_helper_funcs hdmi_connector_helper_funcs = {
+ .get_modes = hdmi_get_modes,
+ .mode_valid = hdmi_mode_valid,
+ .best_encoder = hdmi_best_encoder,
+};
+
+static int hdmi_create_connector(struct exynos_drm_display *display,
+ struct drm_encoder *encoder)
+{
+ struct hdmi_context *hdata = display->ctx;
+ struct drm_connector *connector = &hdata->connector;
+ int ret;
+
+ hdata->encoder = encoder;
+ connector->interlace_allowed = true;
+ connector->polled = DRM_CONNECTOR_POLL_HPD;
+
+ ret = drm_connector_init(hdata->drm_dev, connector,
+ &hdmi_connector_funcs, DRM_MODE_CONNECTOR_HDMIA);
+ if (ret) {
+ DRM_ERROR("Failed to initialize connector with drm\n");
return ret;
+ }
+
+ drm_connector_helper_add(connector, &hdmi_connector_helper_funcs);
+ drm_sysfs_connector_add(connector);
+ drm_mode_connector_attach_encoder(connector, encoder);
+
+ return 0;
+}
+
+static int hdmi_initialize(struct exynos_drm_display *display,
+ struct drm_device *drm_dev)
+{
+ struct hdmi_context *hdata = display->ctx;
+
+ hdata->drm_dev = drm_dev;
+
return 0;
}
+static void hdmi_mode_fixup(struct exynos_drm_display *display,
+ struct drm_connector *connector,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_display_mode *m;
+ int mode_ok;
+
+ DRM_DEBUG_KMS("%s\n", __FILE__);
+
+ drm_mode_set_crtcinfo(adjusted_mode, 0);
+
+ mode_ok = hdmi_mode_valid(connector, adjusted_mode);
+
+ /* just return if user desired mode exists. */
+ if (mode_ok == MODE_OK)
+ return;
+
+ /*
+ * otherwise, find the most suitable mode among modes and change it
+ * to adjusted_mode.
+ */
+ list_for_each_entry(m, &connector->modes, head) {
+ mode_ok = hdmi_mode_valid(connector, m);
+
+ if (mode_ok == MODE_OK) {
+ DRM_INFO("desired mode doesn't exist so\n");
+ DRM_INFO("use the most suitable mode among modes.\n");
+
+ DRM_DEBUG_KMS("Adjusted Mode: [%d]x[%d] [%d]Hz\n",
+ m->hdisplay, m->vdisplay, m->vrefresh);
+
+ drm_mode_copy(adjusted_mode, m);
+ break;
+ }
+ }
+}
+
static void hdmi_set_acr(u32 freq, u8 *acr)
{
u32 n, cts;
@@ -1421,6 +1604,7 @@ static void hdmi_v13_mode_set(struct hdmi_context *hdata,
hdata->mode_conf.cea_video_id =
drm_match_cea_mode((struct drm_display_mode *)m);
hdata->mode_conf.pixel_clock = m->clock * 1000;
+ hdata->mode_conf.aspect_ratio = m->picture_aspect_ratio;
hdmi_set_reg(core->h_blank, 2, m->htotal - m->hdisplay);
hdmi_set_reg(core->h_v_line, 3, (m->htotal << 12) | m->vtotal);
@@ -1517,6 +1701,7 @@ static void hdmi_v14_mode_set(struct hdmi_context *hdata,
hdata->mode_conf.cea_video_id =
drm_match_cea_mode((struct drm_display_mode *)m);
hdata->mode_conf.pixel_clock = m->clock * 1000;
+ hdata->mode_conf.aspect_ratio = m->picture_aspect_ratio;
hdmi_set_reg(core->h_blank, 2, m->htotal - m->hdisplay);
hdmi_set_reg(core->v_line, 2, m->vtotal);
@@ -1618,9 +1803,10 @@ static void hdmi_v14_mode_set(struct hdmi_context *hdata,
hdmi_set_reg(tg->tg_3d, 1, 0x0);
}
-static void hdmi_mode_set(void *ctx, struct drm_display_mode *mode)
+static void hdmi_mode_set(struct exynos_drm_display *display,
+ struct drm_display_mode *mode)
{
- struct hdmi_context *hdata = ctx;
+ struct hdmi_context *hdata = display->ctx;
struct drm_display_mode *m = mode;
DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%s\n",
@@ -1634,16 +1820,9 @@ static void hdmi_mode_set(void *ctx, struct drm_display_mode *mode)
hdmi_v14_mode_set(hdata, mode);
}
-static void hdmi_get_max_resol(void *ctx, unsigned int *width,
- unsigned int *height)
-{
- *width = MAX_WIDTH;
- *height = MAX_HEIGHT;
-}
-
-static void hdmi_commit(void *ctx)
+static void hdmi_commit(struct exynos_drm_display *display)
{
- struct hdmi_context *hdata = ctx;
+ struct hdmi_context *hdata = display->ctx;
mutex_lock(&hdata->hdmi_mutex);
if (!hdata->powered) {
@@ -1655,8 +1834,9 @@ static void hdmi_commit(void *ctx)
hdmi_conf_apply(hdata);
}
-static void hdmi_poweron(struct hdmi_context *hdata)
+static void hdmi_poweron(struct exynos_drm_display *display)
{
+ struct hdmi_context *hdata = display->ctx;
struct hdmi_resources *res = &hdata->res;
mutex_lock(&hdata->hdmi_mutex);
@@ -1669,6 +1849,8 @@ static void hdmi_poweron(struct hdmi_context *hdata)
mutex_unlock(&hdata->hdmi_mutex);
+ pm_runtime_get_sync(hdata->dev);
+
if (regulator_bulk_enable(res->regul_count, res->regul_bulk))
DRM_DEBUG_KMS("failed to enable regulator bulk\n");
@@ -1677,10 +1859,12 @@ static void hdmi_poweron(struct hdmi_context *hdata)
clk_prepare_enable(res->sclk_hdmi);
hdmiphy_poweron(hdata);
+ hdmi_commit(display);
}
-static void hdmi_poweroff(struct hdmi_context *hdata)
+static void hdmi_poweroff(struct exynos_drm_display *display)
{
+ struct hdmi_context *hdata = display->ctx;
struct hdmi_resources *res = &hdata->res;
mutex_lock(&hdata->hdmi_mutex);
@@ -1700,30 +1884,27 @@ static void hdmi_poweroff(struct hdmi_context *hdata)
clk_disable_unprepare(res->hdmiphy);
regulator_bulk_disable(res->regul_count, res->regul_bulk);
- mutex_lock(&hdata->hdmi_mutex);
+ pm_runtime_put_sync(hdata->dev);
+ mutex_lock(&hdata->hdmi_mutex);
hdata->powered = false;
out:
mutex_unlock(&hdata->hdmi_mutex);
}
-static void hdmi_dpms(void *ctx, int mode)
+static void hdmi_dpms(struct exynos_drm_display *display, int mode)
{
- struct hdmi_context *hdata = ctx;
-
DRM_DEBUG_KMS("mode %d\n", mode);
switch (mode) {
case DRM_MODE_DPMS_ON:
- if (pm_runtime_suspended(hdata->dev))
- pm_runtime_get_sync(hdata->dev);
+ hdmi_poweron(display);
break;
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
case DRM_MODE_DPMS_OFF:
- if (!pm_runtime_suspended(hdata->dev))
- pm_runtime_put_sync(hdata->dev);
+ hdmi_poweroff(display);
break;
default:
DRM_DEBUG_KMS("unknown dpms mode: %d\n", mode);
@@ -1731,30 +1912,30 @@ static void hdmi_dpms(void *ctx, int mode)
}
}
-static struct exynos_hdmi_ops hdmi_ops = {
- /* display */
- .is_connected = hdmi_is_connected,
- .get_edid = hdmi_get_edid,
- .check_mode = hdmi_check_mode,
-
- /* manager */
+static struct exynos_drm_display_ops hdmi_display_ops = {
+ .initialize = hdmi_initialize,
+ .create_connector = hdmi_create_connector,
+ .mode_fixup = hdmi_mode_fixup,
.mode_set = hdmi_mode_set,
- .get_max_resol = hdmi_get_max_resol,
- .commit = hdmi_commit,
.dpms = hdmi_dpms,
+ .commit = hdmi_commit,
+};
+
+static struct exynos_drm_display hdmi_display = {
+ .type = EXYNOS_DISPLAY_TYPE_HDMI,
+ .ops = &hdmi_display_ops,
};
static irqreturn_t hdmi_irq_thread(int irq, void *arg)
{
- struct exynos_drm_hdmi_context *ctx = arg;
- struct hdmi_context *hdata = ctx->ctx;
+ struct hdmi_context *hdata = arg;
mutex_lock(&hdata->hdmi_mutex);
hdata->hpd = gpio_get_value(hdata->hpd_gpio);
mutex_unlock(&hdata->hdmi_mutex);
- if (ctx->drm_dev)
- drm_helper_hpd_irq_event(ctx->drm_dev);
+ if (hdata->drm_dev)
+ drm_helper_hpd_irq_event(hdata->drm_dev);
return IRQ_HANDLED;
}
@@ -1830,20 +2011,6 @@ fail:
return -ENODEV;
}
-static struct i2c_client *hdmi_ddc, *hdmi_hdmiphy;
-
-void hdmi_attach_ddc_client(struct i2c_client *ddc)
-{
- if (ddc)
- hdmi_ddc = ddc;
-}
-
-void hdmi_attach_hdmiphy_client(struct i2c_client *hdmiphy)
-{
- if (hdmiphy)
- hdmi_hdmiphy = hdmiphy;
-}
-
static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata
(struct device *dev)
{
@@ -1871,10 +2038,10 @@ err_data:
static struct of_device_id hdmi_match_types[] = {
{
.compatible = "samsung,exynos5-hdmi",
- .data = (void *)HDMI_TYPE14,
+ .data = &exynos5_hdmi_driver_data,
}, {
.compatible = "samsung,exynos4212-hdmi",
- .data = (void *)HDMI_TYPE14,
+ .data = &exynos4212_hdmi_driver_data,
}, {
/* end node */
}
@@ -1883,11 +2050,12 @@ static struct of_device_id hdmi_match_types[] = {
static int hdmi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct exynos_drm_hdmi_context *drm_hdmi_ctx;
struct hdmi_context *hdata;
struct s5p_hdmi_platform_data *pdata;
struct resource *res;
const struct of_device_id *match;
+ struct device_node *ddc_node, *phy_node;
+ struct hdmi_driver_data *drv_data;
int ret;
if (!dev->of_node)
@@ -1897,25 +2065,20 @@ static int hdmi_probe(struct platform_device *pdev)
if (!pdata)
return -EINVAL;
- drm_hdmi_ctx = devm_kzalloc(dev, sizeof(*drm_hdmi_ctx), GFP_KERNEL);
- if (!drm_hdmi_ctx)
- return -ENOMEM;
-
hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL);
if (!hdata)
return -ENOMEM;
mutex_init(&hdata->hdmi_mutex);
- drm_hdmi_ctx->ctx = (void *)hdata;
- hdata->parent_ctx = (void *)drm_hdmi_ctx;
-
- platform_set_drvdata(pdev, drm_hdmi_ctx);
+ platform_set_drvdata(pdev, &hdmi_display);
match = of_match_node(hdmi_match_types, dev->of_node);
if (!match)
return -ENODEV;
- hdata->type = (enum hdmi_type)match->data;
+
+ drv_data = (struct hdmi_driver_data *)match->data;
+ hdata->type = drv_data->type;
hdata->hpd_gpio = pdata->hpd_gpio;
hdata->dev = dev;
@@ -1938,21 +2101,34 @@ static int hdmi_probe(struct platform_device *pdev)
}
/* DDC i2c driver */
- if (i2c_add_driver(&ddc_driver)) {
- DRM_ERROR("failed to register ddc i2c driver\n");
- return -ENOENT;
+ ddc_node = of_parse_phandle(dev->of_node, "ddc", 0);
+ if (!ddc_node) {
+ DRM_ERROR("Failed to find ddc node in device tree\n");
+ return -ENODEV;
+ }
+ hdata->ddc_adpt = of_find_i2c_adapter_by_node(ddc_node);
+ if (!hdata->ddc_adpt) {
+ DRM_ERROR("Failed to get ddc i2c adapter by node\n");
+ return -ENODEV;
}
- hdata->ddc_port = hdmi_ddc;
+ /* Not support APB PHY yet. */
+ if (drv_data->is_apb_phy)
+ return -EPERM;
/* hdmiphy i2c driver */
- if (i2c_add_driver(&hdmiphy_driver)) {
- DRM_ERROR("failed to register hdmiphy i2c driver\n");
- ret = -ENOENT;
+ phy_node = of_parse_phandle(dev->of_node, "phy", 0);
+ if (!phy_node) {
+ DRM_ERROR("Failed to find hdmiphy node in device tree\n");
+ ret = -ENODEV;
+ goto err_ddc;
+ }
+ hdata->hdmiphy_port = of_find_i2c_device_by_node(phy_node);
+ if (!hdata->hdmiphy_port) {
+ DRM_ERROR("Failed to get hdmi phy i2c client from node\n");
+ ret = -ENODEV;
goto err_ddc;
}
-
- hdata->hdmiphy_port = hdmi_hdmiphy;
hdata->irq = gpio_to_irq(hdata->hpd_gpio);
if (hdata->irq < 0) {
@@ -1966,119 +2142,45 @@ static int hdmi_probe(struct platform_device *pdev)
ret = devm_request_threaded_irq(dev, hdata->irq, NULL,
hdmi_irq_thread, IRQF_TRIGGER_RISING |
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
- "hdmi", drm_hdmi_ctx);
+ "hdmi", hdata);
if (ret) {
DRM_ERROR("failed to register hdmi interrupt\n");
goto err_hdmiphy;
}
- /* Attach HDMI Driver to common hdmi. */
- exynos_hdmi_drv_attach(drm_hdmi_ctx);
-
- /* register specific callbacks to common hdmi. */
- exynos_hdmi_ops_register(&hdmi_ops);
-
pm_runtime_enable(dev);
+ hdmi_display.ctx = hdata;
+ exynos_drm_display_register(&hdmi_display);
+
return 0;
err_hdmiphy:
- i2c_del_driver(&hdmiphy_driver);
+ put_device(&hdata->hdmiphy_port->dev);
err_ddc:
- i2c_del_driver(&ddc_driver);
+ put_device(&hdata->ddc_adpt->dev);
return ret;
}
static int hdmi_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
+ struct exynos_drm_display *display = get_hdmi_display(dev);
+ struct hdmi_context *hdata = display->ctx;
- pm_runtime_disable(dev);
-
- /* hdmiphy i2c driver */
- i2c_del_driver(&hdmiphy_driver);
- /* DDC i2c driver */
- i2c_del_driver(&ddc_driver);
-
- return 0;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int hdmi_suspend(struct device *dev)
-{
- struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev);
- struct hdmi_context *hdata = ctx->ctx;
-
- disable_irq(hdata->irq);
-
- hdata->hpd = false;
- if (ctx->drm_dev)
- drm_helper_hpd_irq_event(ctx->drm_dev);
-
- if (pm_runtime_suspended(dev)) {
- DRM_DEBUG_KMS("Already suspended\n");
- return 0;
- }
-
- hdmi_poweroff(hdata);
+ put_device(&hdata->hdmiphy_port->dev);
+ put_device(&hdata->ddc_adpt->dev);
+ pm_runtime_disable(&pdev->dev);
return 0;
}
-static int hdmi_resume(struct device *dev)
-{
- struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev);
- struct hdmi_context *hdata = ctx->ctx;
-
- hdata->hpd = gpio_get_value(hdata->hpd_gpio);
-
- enable_irq(hdata->irq);
-
- if (!pm_runtime_suspended(dev)) {
- DRM_DEBUG_KMS("Already resumed\n");
- return 0;
- }
-
- hdmi_poweron(hdata);
-
- return 0;
-}
-#endif
-
-#ifdef CONFIG_PM_RUNTIME
-static int hdmi_runtime_suspend(struct device *dev)
-{
- struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev);
- struct hdmi_context *hdata = ctx->ctx;
-
- hdmi_poweroff(hdata);
-
- return 0;
-}
-
-static int hdmi_runtime_resume(struct device *dev)
-{
- struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev);
- struct hdmi_context *hdata = ctx->ctx;
-
- hdmi_poweron(hdata);
-
- return 0;
-}
-#endif
-
-static const struct dev_pm_ops hdmi_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(hdmi_suspend, hdmi_resume)
- SET_RUNTIME_PM_OPS(hdmi_runtime_suspend, hdmi_runtime_resume, NULL)
-};
-
struct platform_driver hdmi_driver = {
.probe = hdmi_probe,
.remove = hdmi_remove,
.driver = {
.name = "exynos-hdmi",
.owner = THIS_MODULE,
- .pm = &hdmi_pm_ops,
.of_match_table = hdmi_match_types,
},
};
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 2dfa48c76f54..ce288818d2c0 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -36,10 +36,13 @@
#include "exynos_drm_drv.h"
#include "exynos_drm_crtc.h"
-#include "exynos_drm_hdmi.h"
#include "exynos_drm_iommu.h"
+#include "exynos_mixer.h"
-#define get_mixer_context(dev) platform_get_drvdata(to_platform_device(dev))
+#define get_mixer_manager(dev) platform_get_drvdata(to_platform_device(dev))
+
+#define MIXER_WIN_NR 3
+#define MIXER_DEFAULT_WIN 0
struct hdmi_win_data {
dma_addr_t dma_addr;
@@ -82,6 +85,7 @@ enum mixer_version_id {
};
struct mixer_context {
+ struct platform_device *pdev;
struct device *dev;
struct drm_device *drm_dev;
int pipe;
@@ -94,7 +98,6 @@ struct mixer_context {
struct mixer_resources mixer_res;
struct hdmi_win_data win_data[MIXER_WIN_NR];
enum mixer_version_id mxr_ver;
- void *parent_ctx;
wait_queue_head_t wait_vsync_queue;
atomic_t wait_vsync_event;
};
@@ -685,31 +688,196 @@ static void mixer_win_reset(struct mixer_context *ctx)
spin_unlock_irqrestore(&res->reg_slock, flags);
}
-static int mixer_iommu_on(void *ctx, bool enable)
+static irqreturn_t mixer_irq_handler(int irq, void *arg)
+{
+ struct mixer_context *ctx = arg;
+ struct mixer_resources *res = &ctx->mixer_res;
+ u32 val, base, shadow;
+
+ spin_lock(&res->reg_slock);
+
+ /* read interrupt status for handling and clearing flags for VSYNC */
+ val = mixer_reg_read(res, MXR_INT_STATUS);
+
+ /* handling VSYNC */
+ if (val & MXR_INT_STATUS_VSYNC) {
+ /* interlace scan need to check shadow register */
+ if (ctx->interlace) {
+ base = mixer_reg_read(res, MXR_GRAPHIC_BASE(0));
+ shadow = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(0));
+ if (base != shadow)
+ goto out;
+
+ base = mixer_reg_read(res, MXR_GRAPHIC_BASE(1));
+ shadow = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(1));
+ if (base != shadow)
+ goto out;
+ }
+
+ drm_handle_vblank(ctx->drm_dev, ctx->pipe);
+ exynos_drm_crtc_finish_pageflip(ctx->drm_dev, ctx->pipe);
+
+ /* set wait vsync event to zero and wake up queue. */
+ if (atomic_read(&ctx->wait_vsync_event)) {
+ atomic_set(&ctx->wait_vsync_event, 0);
+ wake_up(&ctx->wait_vsync_queue);
+ }
+ }
+
+out:
+ /* clear interrupts */
+ if (~val & MXR_INT_EN_VSYNC) {
+ /* vsync interrupt use different bit for read and clear */
+ val &= ~MXR_INT_EN_VSYNC;
+ val |= MXR_INT_CLEAR_VSYNC;
+ }
+ mixer_reg_write(res, MXR_INT_STATUS, val);
+
+ spin_unlock(&res->reg_slock);
+
+ return IRQ_HANDLED;
+}
+
+static int mixer_resources_init(struct mixer_context *mixer_ctx)
{
- struct exynos_drm_hdmi_context *drm_hdmi_ctx;
- struct mixer_context *mdata = ctx;
- struct drm_device *drm_dev;
+ struct device *dev = &mixer_ctx->pdev->dev;
+ struct mixer_resources *mixer_res = &mixer_ctx->mixer_res;
+ struct resource *res;
+ int ret;
- drm_hdmi_ctx = mdata->parent_ctx;
- drm_dev = drm_hdmi_ctx->drm_dev;
+ spin_lock_init(&mixer_res->reg_slock);
- if (is_drm_iommu_supported(drm_dev)) {
- if (enable)
- return drm_iommu_attach_device(drm_dev, mdata->dev);
+ mixer_res->mixer = devm_clk_get(dev, "mixer");
+ if (IS_ERR(mixer_res->mixer)) {
+ dev_err(dev, "failed to get clock 'mixer'\n");
+ return -ENODEV;
+ }
- drm_iommu_detach_device(drm_dev, mdata->dev);
+ mixer_res->sclk_hdmi = devm_clk_get(dev, "sclk_hdmi");
+ if (IS_ERR(mixer_res->sclk_hdmi)) {
+ dev_err(dev, "failed to get clock 'sclk_hdmi'\n");
+ return -ENODEV;
+ }
+ res = platform_get_resource(mixer_ctx->pdev, IORESOURCE_MEM, 0);
+ if (res == NULL) {
+ dev_err(dev, "get memory resource failed.\n");
+ return -ENXIO;
}
+
+ mixer_res->mixer_regs = devm_ioremap(dev, res->start,
+ resource_size(res));
+ if (mixer_res->mixer_regs == NULL) {
+ dev_err(dev, "register mapping failed.\n");
+ return -ENXIO;
+ }
+
+ res = platform_get_resource(mixer_ctx->pdev, IORESOURCE_IRQ, 0);
+ if (res == NULL) {
+ dev_err(dev, "get interrupt resource failed.\n");
+ return -ENXIO;
+ }
+
+ ret = devm_request_irq(dev, res->start, mixer_irq_handler,
+ 0, "drm_mixer", mixer_ctx);
+ if (ret) {
+ dev_err(dev, "request interrupt failed.\n");
+ return ret;
+ }
+ mixer_res->irq = res->start;
+
return 0;
}
-static int mixer_enable_vblank(void *ctx, int pipe)
+static int vp_resources_init(struct mixer_context *mixer_ctx)
{
- struct mixer_context *mixer_ctx = ctx;
- struct mixer_resources *res = &mixer_ctx->mixer_res;
+ struct device *dev = &mixer_ctx->pdev->dev;
+ struct mixer_resources *mixer_res = &mixer_ctx->mixer_res;
+ struct resource *res;
+
+ mixer_res->vp = devm_clk_get(dev, "vp");
+ if (IS_ERR(mixer_res->vp)) {
+ dev_err(dev, "failed to get clock 'vp'\n");
+ return -ENODEV;
+ }
+ mixer_res->sclk_mixer = devm_clk_get(dev, "sclk_mixer");
+ if (IS_ERR(mixer_res->sclk_mixer)) {
+ dev_err(dev, "failed to get clock 'sclk_mixer'\n");
+ return -ENODEV;
+ }
+ mixer_res->sclk_dac = devm_clk_get(dev, "sclk_dac");
+ if (IS_ERR(mixer_res->sclk_dac)) {
+ dev_err(dev, "failed to get clock 'sclk_dac'\n");
+ return -ENODEV;
+ }
+
+ if (mixer_res->sclk_hdmi)
+ clk_set_parent(mixer_res->sclk_mixer, mixer_res->sclk_hdmi);
+
+ res = platform_get_resource(mixer_ctx->pdev, IORESOURCE_MEM, 1);
+ if (res == NULL) {
+ dev_err(dev, "get memory resource failed.\n");
+ return -ENXIO;
+ }
+ mixer_res->vp_regs = devm_ioremap(dev, res->start,
+ resource_size(res));
+ if (mixer_res->vp_regs == NULL) {
+ dev_err(dev, "register mapping failed.\n");
+ return -ENXIO;
+ }
+
+ return 0;
+}
+
+static int mixer_initialize(struct exynos_drm_manager *mgr,
+ struct drm_device *drm_dev, int pipe)
+{
+ int ret;
+ struct mixer_context *mixer_ctx = mgr->ctx;
+
+ mixer_ctx->drm_dev = drm_dev;
mixer_ctx->pipe = pipe;
+ /* acquire resources: regs, irqs, clocks */
+ ret = mixer_resources_init(mixer_ctx);
+ if (ret) {
+ DRM_ERROR("mixer_resources_init failed ret=%d\n", ret);
+ return ret;
+ }
+
+ if (mixer_ctx->vp_enabled) {
+ /* acquire vp resources: regs, irqs, clocks */
+ ret = vp_resources_init(mixer_ctx);
+ if (ret) {
+ DRM_ERROR("vp_resources_init failed ret=%d\n", ret);
+ return ret;
+ }
+ }
+
+ if (!is_drm_iommu_supported(mixer_ctx->drm_dev))
+ return 0;
+
+ return drm_iommu_attach_device(mixer_ctx->drm_dev, mixer_ctx->dev);
+}
+
+static void mixer_mgr_remove(struct exynos_drm_manager *mgr)
+{
+ struct mixer_context *mixer_ctx = mgr->ctx;
+
+ if (is_drm_iommu_supported(mixer_ctx->drm_dev))
+ drm_iommu_detach_device(mixer_ctx->drm_dev, mixer_ctx->dev);
+}
+
+static int mixer_enable_vblank(struct exynos_drm_manager *mgr)
+{
+ struct mixer_context *mixer_ctx = mgr->ctx;
+ struct mixer_resources *res = &mixer_ctx->mixer_res;
+
+ if (!mixer_ctx->powered) {
+ mixer_ctx->int_en |= MXR_INT_EN_VSYNC;
+ return 0;
+ }
+
/* enable vsync interrupt */
mixer_reg_writemask(res, MXR_INT_EN, MXR_INT_EN_VSYNC,
MXR_INT_EN_VSYNC);
@@ -717,19 +885,19 @@ static int mixer_enable_vblank(void *ctx, int pipe)
return 0;
}
-static void mixer_disable_vblank(void *ctx)
+static void mixer_disable_vblank(struct exynos_drm_manager *mgr)
{
- struct mixer_context *mixer_ctx = ctx;
+ struct mixer_context *mixer_ctx = mgr->ctx;
struct mixer_resources *res = &mixer_ctx->mixer_res;
/* disable vsync interrupt */
mixer_reg_writemask(res, MXR_INT_EN, 0, MXR_INT_EN_VSYNC);
}
-static void mixer_win_mode_set(void *ctx,
- struct exynos_drm_overlay *overlay)
+static void mixer_win_mode_set(struct exynos_drm_manager *mgr,
+ struct exynos_drm_overlay *overlay)
{
- struct mixer_context *mixer_ctx = ctx;
+ struct mixer_context *mixer_ctx = mgr->ctx;
struct hdmi_win_data *win_data;
int win;
@@ -778,9 +946,10 @@ static void mixer_win_mode_set(void *ctx,
win_data->scan_flags = overlay->scan_flag;
}
-static void mixer_win_commit(void *ctx, int win)
+static void mixer_win_commit(struct exynos_drm_manager *mgr, int zpos)
{
- struct mixer_context *mixer_ctx = ctx;
+ struct mixer_context *mixer_ctx = mgr->ctx;
+ int win = zpos == DEFAULT_ZPOS ? MIXER_DEFAULT_WIN : zpos;
DRM_DEBUG_KMS("win: %d\n", win);
@@ -799,10 +968,11 @@ static void mixer_win_commit(void *ctx, int win)
mixer_ctx->win_data[win].enabled = true;
}
-static void mixer_win_disable(void *ctx, int win)
+static void mixer_win_disable(struct exynos_drm_manager *mgr, int zpos)
{
- struct mixer_context *mixer_ctx = ctx;
+ struct mixer_context *mixer_ctx = mgr->ctx;
struct mixer_resources *res = &mixer_ctx->mixer_res;
+ int win = zpos == DEFAULT_ZPOS ? MIXER_DEFAULT_WIN : zpos;
unsigned long flags;
DRM_DEBUG_KMS("win: %d\n", win);
@@ -826,32 +996,9 @@ static void mixer_win_disable(void *ctx, int win)
mixer_ctx->win_data[win].enabled = false;
}
-static int mixer_check_mode(void *ctx, struct drm_display_mode *mode)
+static void mixer_wait_for_vblank(struct exynos_drm_manager *mgr)
{
- struct mixer_context *mixer_ctx = ctx;
- u32 w, h;
-
- w = mode->hdisplay;
- h = mode->vdisplay;
-
- DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%d\n",
- mode->hdisplay, mode->vdisplay, mode->vrefresh,
- (mode->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0);
-
- if (mixer_ctx->mxr_ver == MXR_VER_0_0_0_16 ||
- mixer_ctx->mxr_ver == MXR_VER_128_0_0_184)
- return 0;
-
- if ((w >= 464 && w <= 720 && h >= 261 && h <= 576) ||
- (w >= 1024 && w <= 1280 && h >= 576 && h <= 720) ||
- (w >= 1664 && w <= 1920 && h >= 936 && h <= 1080))
- return 0;
-
- return -EINVAL;
-}
-static void mixer_wait_for_vblank(void *ctx)
-{
- struct mixer_context *mixer_ctx = ctx;
+ struct mixer_context *mixer_ctx = mgr->ctx;
mutex_lock(&mixer_ctx->mixer_mutex);
if (!mixer_ctx->powered) {
@@ -872,21 +1019,23 @@ static void mixer_wait_for_vblank(void *ctx)
DRM_DEBUG_KMS("vblank wait timed out.\n");
}
-static void mixer_window_suspend(struct mixer_context *ctx)
+static void mixer_window_suspend(struct exynos_drm_manager *mgr)
{
+ struct mixer_context *ctx = mgr->ctx;
struct hdmi_win_data *win_data;
int i;
for (i = 0; i < MIXER_WIN_NR; i++) {
win_data = &ctx->win_data[i];
win_data->resume = win_data->enabled;
- mixer_win_disable(ctx, i);
+ mixer_win_disable(mgr, i);
}
- mixer_wait_for_vblank(ctx);
+ mixer_wait_for_vblank(mgr);
}
-static void mixer_window_resume(struct mixer_context *ctx)
+static void mixer_window_resume(struct exynos_drm_manager *mgr)
{
+ struct mixer_context *ctx = mgr->ctx;
struct hdmi_win_data *win_data;
int i;
@@ -894,11 +1043,14 @@ static void mixer_window_resume(struct mixer_context *ctx)
win_data = &ctx->win_data[i];
win_data->enabled = win_data->resume;
win_data->resume = false;
+ if (win_data->enabled)
+ mixer_win_commit(mgr, i);
}
}
-static void mixer_poweron(struct mixer_context *ctx)
+static void mixer_poweron(struct exynos_drm_manager *mgr)
{
+ struct mixer_context *ctx = mgr->ctx;
struct mixer_resources *res = &ctx->mixer_res;
mutex_lock(&ctx->mixer_mutex);
@@ -909,6 +1061,8 @@ static void mixer_poweron(struct mixer_context *ctx)
ctx->powered = true;
mutex_unlock(&ctx->mixer_mutex);
+ pm_runtime_get_sync(ctx->dev);
+
clk_prepare_enable(res->mixer);
if (ctx->vp_enabled) {
clk_prepare_enable(res->vp);
@@ -918,11 +1072,12 @@ static void mixer_poweron(struct mixer_context *ctx)
mixer_reg_write(res, MXR_INT_EN, ctx->int_en);
mixer_win_reset(ctx);
- mixer_window_resume(ctx);
+ mixer_window_resume(mgr);
}
-static void mixer_poweroff(struct mixer_context *ctx)
+static void mixer_poweroff(struct exynos_drm_manager *mgr)
{
+ struct mixer_context *ctx = mgr->ctx;
struct mixer_resources *res = &ctx->mixer_res;
mutex_lock(&ctx->mixer_mutex);
@@ -930,7 +1085,7 @@ static void mixer_poweroff(struct mixer_context *ctx)
goto out;
mutex_unlock(&ctx->mixer_mutex);
- mixer_window_suspend(ctx);
+ mixer_window_suspend(mgr);
ctx->int_en = mixer_reg_read(res, MXR_INT_EN);
@@ -940,6 +1095,8 @@ static void mixer_poweroff(struct mixer_context *ctx)
clk_disable_unprepare(res->sclk_mixer);
}
+ pm_runtime_put_sync(ctx->dev);
+
mutex_lock(&ctx->mixer_mutex);
ctx->powered = false;
@@ -947,20 +1104,16 @@ out:
mutex_unlock(&ctx->mixer_mutex);
}
-static void mixer_dpms(void *ctx, int mode)
+static void mixer_dpms(struct exynos_drm_manager *mgr, int mode)
{
- struct mixer_context *mixer_ctx = ctx;
-
switch (mode) {
case DRM_MODE_DPMS_ON:
- if (pm_runtime_suspended(mixer_ctx->dev))
- pm_runtime_get_sync(mixer_ctx->dev);
+ mixer_poweron(mgr);
break;
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
case DRM_MODE_DPMS_OFF:
- if (!pm_runtime_suspended(mixer_ctx->dev))
- pm_runtime_put_sync(mixer_ctx->dev);
+ mixer_poweroff(mgr);
break;
default:
DRM_DEBUG_KMS("unknown dpms mode: %d\n", mode);
@@ -968,169 +1121,42 @@ static void mixer_dpms(void *ctx, int mode)
}
}
-static struct exynos_mixer_ops mixer_ops = {
- /* manager */
- .iommu_on = mixer_iommu_on,
- .enable_vblank = mixer_enable_vblank,
- .disable_vblank = mixer_disable_vblank,
- .wait_for_vblank = mixer_wait_for_vblank,
- .dpms = mixer_dpms,
-
- /* overlay */
- .win_mode_set = mixer_win_mode_set,
- .win_commit = mixer_win_commit,
- .win_disable = mixer_win_disable,
-
- /* display */
- .check_mode = mixer_check_mode,
-};
-
-static irqreturn_t mixer_irq_handler(int irq, void *arg)
-{
- struct exynos_drm_hdmi_context *drm_hdmi_ctx = arg;
- struct mixer_context *ctx = drm_hdmi_ctx->ctx;
- struct mixer_resources *res = &ctx->mixer_res;
- u32 val, base, shadow;
-
- spin_lock(&res->reg_slock);
-
- /* read interrupt status for handling and clearing flags for VSYNC */
- val = mixer_reg_read(res, MXR_INT_STATUS);
-
- /* handling VSYNC */
- if (val & MXR_INT_STATUS_VSYNC) {
- /* interlace scan need to check shadow register */
- if (ctx->interlace) {
- base = mixer_reg_read(res, MXR_GRAPHIC_BASE(0));
- shadow = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(0));
- if (base != shadow)
- goto out;
-
- base = mixer_reg_read(res, MXR_GRAPHIC_BASE(1));
- shadow = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(1));
- if (base != shadow)
- goto out;
- }
-
- drm_handle_vblank(drm_hdmi_ctx->drm_dev, ctx->pipe);
- exynos_drm_crtc_finish_pageflip(drm_hdmi_ctx->drm_dev,
- ctx->pipe);
-
- /* set wait vsync event to zero and wake up queue. */
- if (atomic_read(&ctx->wait_vsync_event)) {
- atomic_set(&ctx->wait_vsync_event, 0);
- wake_up(&ctx->wait_vsync_queue);
- }
- }
-
-out:
- /* clear interrupts */
- if (~val & MXR_INT_EN_VSYNC) {
- /* vsync interrupt use different bit for read and clear */
- val &= ~MXR_INT_EN_VSYNC;
- val |= MXR_INT_CLEAR_VSYNC;
- }
- mixer_reg_write(res, MXR_INT_STATUS, val);
-
- spin_unlock(&res->reg_slock);
-
- return IRQ_HANDLED;
-}
-
-static int mixer_resources_init(struct exynos_drm_hdmi_context *ctx,
- struct platform_device *pdev)
+/* Only valid for Mixer version 16.0.33.0 */
+int mixer_check_mode(struct drm_display_mode *mode)
{
- struct mixer_context *mixer_ctx = ctx->ctx;
- struct device *dev = &pdev->dev;
- struct mixer_resources *mixer_res = &mixer_ctx->mixer_res;
- struct resource *res;
- int ret;
-
- spin_lock_init(&mixer_res->reg_slock);
-
- mixer_res->mixer = devm_clk_get(dev, "mixer");
- if (IS_ERR(mixer_res->mixer)) {
- dev_err(dev, "failed to get clock 'mixer'\n");
- return -ENODEV;
- }
-
- mixer_res->sclk_hdmi = devm_clk_get(dev, "sclk_hdmi");
- if (IS_ERR(mixer_res->sclk_hdmi)) {
- dev_err(dev, "failed to get clock 'sclk_hdmi'\n");
- return -ENODEV;
- }
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (res == NULL) {
- dev_err(dev, "get memory resource failed.\n");
- return -ENXIO;
- }
+ u32 w, h;
- mixer_res->mixer_regs = devm_ioremap(dev, res->start,
- resource_size(res));
- if (mixer_res->mixer_regs == NULL) {
- dev_err(dev, "register mapping failed.\n");
- return -ENXIO;
- }
+ w = mode->hdisplay;
+ h = mode->vdisplay;
- res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (res == NULL) {
- dev_err(dev, "get interrupt resource failed.\n");
- return -ENXIO;
- }
+ DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%d\n",
+ mode->hdisplay, mode->vdisplay, mode->vrefresh,
+ (mode->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0);
- ret = devm_request_irq(dev, res->start, mixer_irq_handler,
- 0, "drm_mixer", ctx);
- if (ret) {
- dev_err(dev, "request interrupt failed.\n");
- return ret;
- }
- mixer_res->irq = res->start;
+ if ((w >= 464 && w <= 720 && h >= 261 && h <= 576) ||
+ (w >= 1024 && w <= 1280 && h >= 576 && h <= 720) ||
+ (w >= 1664 && w <= 1920 && h >= 936 && h <= 1080))
+ return 0;
- return 0;
+ return -EINVAL;
}
-static int vp_resources_init(struct exynos_drm_hdmi_context *ctx,
- struct platform_device *pdev)
-{
- struct mixer_context *mixer_ctx = ctx->ctx;
- struct device *dev = &pdev->dev;
- struct mixer_resources *mixer_res = &mixer_ctx->mixer_res;
- struct resource *res;
-
- mixer_res->vp = devm_clk_get(dev, "vp");
- if (IS_ERR(mixer_res->vp)) {
- dev_err(dev, "failed to get clock 'vp'\n");
- return -ENODEV;
- }
- mixer_res->sclk_mixer = devm_clk_get(dev, "sclk_mixer");
- if (IS_ERR(mixer_res->sclk_mixer)) {
- dev_err(dev, "failed to get clock 'sclk_mixer'\n");
- return -ENODEV;
- }
- mixer_res->sclk_dac = devm_clk_get(dev, "sclk_dac");
- if (IS_ERR(mixer_res->sclk_dac)) {
- dev_err(dev, "failed to get clock 'sclk_dac'\n");
- return -ENODEV;
- }
-
- if (mixer_res->sclk_hdmi)
- clk_set_parent(mixer_res->sclk_mixer, mixer_res->sclk_hdmi);
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- if (res == NULL) {
- dev_err(dev, "get memory resource failed.\n");
- return -ENXIO;
- }
-
- mixer_res->vp_regs = devm_ioremap(dev, res->start,
- resource_size(res));
- if (mixer_res->vp_regs == NULL) {
- dev_err(dev, "register mapping failed.\n");
- return -ENXIO;
- }
+static struct exynos_drm_manager_ops mixer_manager_ops = {
+ .initialize = mixer_initialize,
+ .remove = mixer_mgr_remove,
+ .dpms = mixer_dpms,
+ .enable_vblank = mixer_enable_vblank,
+ .disable_vblank = mixer_disable_vblank,
+ .wait_for_vblank = mixer_wait_for_vblank,
+ .win_mode_set = mixer_win_mode_set,
+ .win_commit = mixer_win_commit,
+ .win_disable = mixer_win_disable,
+};
- return 0;
-}
+static struct exynos_drm_manager mixer_manager = {
+ .type = EXYNOS_DISPLAY_TYPE_HDMI,
+ .ops = &mixer_manager_ops,
+};
static struct mixer_drv_data exynos5420_mxr_drv_data = {
.version = MXR_VER_128_0_0_184,
@@ -1177,21 +1203,16 @@ static struct of_device_id mixer_match_types[] = {
static int mixer_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct exynos_drm_hdmi_context *drm_hdmi_ctx;
struct mixer_context *ctx;
struct mixer_drv_data *drv;
- int ret;
dev_info(dev, "probe start\n");
- drm_hdmi_ctx = devm_kzalloc(dev, sizeof(*drm_hdmi_ctx),
- GFP_KERNEL);
- if (!drm_hdmi_ctx)
- return -ENOMEM;
-
- ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
- if (!ctx)
+ ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
+ if (!ctx) {
+ DRM_ERROR("failed to alloc mixer context.\n");
return -ENOMEM;
+ }
mutex_init(&ctx->mixer_mutex);
@@ -1204,46 +1225,20 @@ static int mixer_probe(struct platform_device *pdev)
platform_get_device_id(pdev)->driver_data;
}
+ ctx->pdev = pdev;
ctx->dev = dev;
- ctx->parent_ctx = (void *)drm_hdmi_ctx;
- drm_hdmi_ctx->ctx = (void *)ctx;
ctx->vp_enabled = drv->is_vp_enabled;
ctx->mxr_ver = drv->version;
init_waitqueue_head(&ctx->wait_vsync_queue);
atomic_set(&ctx->wait_vsync_event, 0);
- platform_set_drvdata(pdev, drm_hdmi_ctx);
-
- /* acquire resources: regs, irqs, clocks */
- ret = mixer_resources_init(drm_hdmi_ctx, pdev);
- if (ret) {
- DRM_ERROR("mixer_resources_init failed\n");
- goto fail;
- }
-
- if (ctx->vp_enabled) {
- /* acquire vp resources: regs, irqs, clocks */
- ret = vp_resources_init(drm_hdmi_ctx, pdev);
- if (ret) {
- DRM_ERROR("vp_resources_init failed\n");
- goto fail;
- }
- }
-
- /* attach mixer driver to common hdmi. */
- exynos_mixer_drv_attach(drm_hdmi_ctx);
-
- /* register specific callback point to common hdmi. */
- exynos_mixer_ops_register(&mixer_ops);
+ mixer_manager.ctx = ctx;
+ platform_set_drvdata(pdev, &mixer_manager);
+ exynos_drm_manager_register(&mixer_manager);
pm_runtime_enable(dev);
return 0;
-
-
-fail:
- dev_info(dev, "probe failed\n");
- return ret;
}
static int mixer_remove(struct platform_device *pdev)
@@ -1255,70 +1250,10 @@ static int mixer_remove(struct platform_device *pdev)
return 0;
}
-#ifdef CONFIG_PM_SLEEP
-static int mixer_suspend(struct device *dev)
-{
- struct exynos_drm_hdmi_context *drm_hdmi_ctx = get_mixer_context(dev);
- struct mixer_context *ctx = drm_hdmi_ctx->ctx;
-
- if (pm_runtime_suspended(dev)) {
- DRM_DEBUG_KMS("Already suspended\n");
- return 0;
- }
-
- mixer_poweroff(ctx);
-
- return 0;
-}
-
-static int mixer_resume(struct device *dev)
-{
- struct exynos_drm_hdmi_context *drm_hdmi_ctx = get_mixer_context(dev);
- struct mixer_context *ctx = drm_hdmi_ctx->ctx;
-
- if (!pm_runtime_suspended(dev)) {
- DRM_DEBUG_KMS("Already resumed\n");
- return 0;
- }
-
- mixer_poweron(ctx);
-
- return 0;
-}
-#endif
-
-#ifdef CONFIG_PM_RUNTIME
-static int mixer_runtime_suspend(struct device *dev)
-{
- struct exynos_drm_hdmi_context *drm_hdmi_ctx = get_mixer_context(dev);
- struct mixer_context *ctx = drm_hdmi_ctx->ctx;
-
- mixer_poweroff(ctx);
-
- return 0;
-}
-
-static int mixer_runtime_resume(struct device *dev)
-{
- struct exynos_drm_hdmi_context *drm_hdmi_ctx = get_mixer_context(dev);
- struct mixer_context *ctx = drm_hdmi_ctx->ctx;
-
- mixer_poweron(ctx);
-
- return 0;
-}
-#endif
-
-static const struct dev_pm_ops mixer_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(mixer_suspend, mixer_resume)
- SET_RUNTIME_PM_OPS(mixer_runtime_suspend, mixer_runtime_resume, NULL)
-};
-
struct platform_driver mixer_driver = {
.driver = {
.name = "exynos-mixer",
.owner = THIS_MODULE,
- .pm = &mixer_pm_ops,
.of_match_table = mixer_match_types,
},
.probe = mixer_probe,
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.h b/drivers/gpu/drm/exynos/exynos_mixer.h
new file mode 100644
index 000000000000..3811e417f0e9
--- /dev/null
+++ b/drivers/gpu/drm/exynos/exynos_mixer.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2013 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _EXYNOS_MIXER_H_
+#define _EXYNOS_MIXER_H_
+
+/* This function returns 0 if the given timing is valid for the mixer */
+int mixer_check_mode(struct drm_display_mode *mode);
+
+#endif
diff --git a/drivers/video/exynos/Kconfig b/drivers/video/exynos/Kconfig
index 75c8a8e7efc0..fcf2d48ac6d1 100644
--- a/drivers/video/exynos/Kconfig
+++ b/drivers/video/exynos/Kconfig
@@ -29,11 +29,4 @@ config EXYNOS_LCD_S6E8AX0
If you have an S6E8AX0 MIPI AMOLED LCD Panel, say Y to enable its
LCD control driver.
-config EXYNOS_DP
- bool "EXYNOS DP driver support"
- depends on OF && ARCH_EXYNOS
- default n
- help
- This enables support for DP device.
-
endif # EXYNOS_VIDEO
diff --git a/drivers/video/exynos/Makefile b/drivers/video/exynos/Makefile
index ec7772e452a9..b5b1bd228abb 100644
--- a/drivers/video/exynos/Makefile
+++ b/drivers/video/exynos/Makefile
@@ -5,4 +5,3 @@
obj-$(CONFIG_EXYNOS_MIPI_DSI) += exynos_mipi_dsi.o exynos_mipi_dsi_common.o \
exynos_mipi_dsi_lowlevel.o
obj-$(CONFIG_EXYNOS_LCD_S6E8AX0) += s6e8ax0.o
-obj-$(CONFIG_EXYNOS_DP) += exynos_dp_core.o exynos_dp_reg.o
diff --git a/include/drm/bridge/ptn3460.h b/include/drm/bridge/ptn3460.h
new file mode 100644
index 000000000000..8481816c0ea3
--- /dev/null
+++ b/include/drm/bridge/ptn3460.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2013 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _DRM_BRIDGE_PTN3460_H_
+#define _DRM_BRIDGE_PTN3460_H_
+
+struct drm_device;
+struct drm_encoder;
+struct i2c_client;
+struct device_node;
+
+#ifdef CONFIG_DRM_PTN3460
+
+int ptn3460_init(struct drm_device *dev, struct drm_encoder *encoder,
+ struct i2c_client *client, struct device_node *node);
+#else
+
+static inline int ptn3460_init(struct drm_device *dev,
+ struct drm_encoder *encoder, struct i2c_client *client,
+ struct device_node *node)
+{
+ return 0;
+}
+
+#endif
+
+#endif