diff options
33 files changed, 887 insertions, 576 deletions
diff --git a/Documentation/devicetree/bindings/input/da9062-onkey.txt b/Documentation/devicetree/bindings/input/da9062-onkey.txt new file mode 100644 index 000000000000..ab0e0488fe92 --- /dev/null +++ b/Documentation/devicetree/bindings/input/da9062-onkey.txt @@ -0,0 +1,32 @@ +* Dialog DA9062/63 OnKey Module + +This module is part of the DA9062/DA9063. For more details about entire +chips see Documentation/devicetree/bindings/mfd/da9062.txt and +Documentation/devicetree/bindings/mfd/da9063.txt + +This module provides KEY_POWER, KEY_SLEEP and events. + +Required properties: + +- compatible: should be one of: + dlg,da9062-onkey + dlg,da9063-onkey + +Optional properties: + + - dlg,disable-key-power : Disable power-down using a long key-press. If this + entry exists the OnKey driver will remove support for the KEY_POWER key + press. If this entry does not exist then by default the key-press + triggered power down is enabled and the OnKey will support both KEY_POWER + and KEY_SLEEP. + +Example: + + pmic0: da9062@58 { + + onkey { + compatible = "dlg,da9063-onkey"; + dlg,disable-key-power; + }; + + }; diff --git a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt index 76db96704a60..bedd7ddc56aa 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt +++ b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt @@ -49,7 +49,7 @@ Example: pinctrl-names = "default"; pinctrl-0 = <&edt_ft5x06_pins>; interrupt-parent = <&gpio2>; - interrupts = <5 0>; - reset-gpios = <&gpio2 6 1>; - wake-gpios = <&gpio4 9 0>; + interrupts = <5 IRQ_TYPE_EDGE_FALLING>; + reset-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>; + wake-gpios = <&gpio4 9 GPIO_ACTIVE_HIGH>; }; diff --git a/Documentation/devicetree/bindings/input/touchscreen/focaltech-ft6236.txt b/Documentation/devicetree/bindings/input/touchscreen/focaltech-ft6236.txt new file mode 100644 index 000000000000..777521da3da5 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/focaltech-ft6236.txt @@ -0,0 +1,35 @@ +* FocalTech FT6236 I2C touchscreen controller + +Required properties: + - compatible : "focaltech,ft6236" + - reg : I2C slave address of the chip (0x38) + - interrupt-parent : a phandle pointing to the interrupt controller + serving the interrupt for this chip + - interrupts : interrupt specification for the touch controller + interrupt + - reset-gpios : GPIO specification for the RSTN input + - touchscreen-size-x : horizontal resolution of touchscreen (in pixels) + - touchscreen-size-y : vertical resolution of touchscreen (in pixels) + +Optional properties: + - touchscreen-fuzz-x : horizontal noise value of the absolute input + device (in pixels) + - touchscreen-fuzz-y : vertical noise value of the absolute input + device (in pixels) + - touchscreen-inverted-x : X axis is inverted (boolean) + - touchscreen-inverted-y : Y axis is inverted (boolean) + - touchscreen-swapped-x-y: X and Y axis are swapped (boolean) + Swapping is done after inverting the axis + +Example: + + ft6x06@38 { + compatible = "focaltech,ft6236"; + reg = <0x38>; + interrupt-parent = <&gpio>; + interrupts = <23 2>; + touchscreen-size-x = <320>; + touchscreen-size-y = <480>; + touchscreen-inverted-x; + touchscreen-swapped-x-y; + }; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 82d2ac97af74..3222b2ff475e 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -82,6 +82,7 @@ everspin Everspin Technologies, Inc. excito Excito fcs Fairchild Semiconductor firefly Firefly +focaltech FocalTech Systems Co.,Ltd fsl Freescale Semiconductor GEFanuc GE Fanuc Intelligent Platforms Embedded Systems, Inc. gef GE Fanuc Intelligent Platforms Embedded Systems, Inc. diff --git a/arch/arm/boot/dts/am437x-sk-evm.dts b/arch/arm/boot/dts/am437x-sk-evm.dts index 7da7c2da4af1..0bb36e9af936 100644 --- a/arch/arm/boot/dts/am437x-sk-evm.dts +++ b/arch/arm/boot/dts/am437x-sk-evm.dts @@ -502,7 +502,7 @@ reg = <0x38>; interrupt-parent = <&gpio0>; - interrupts = <31 0>; + interrupts = <31 IRQ_TYPE_EDGE_FALLING>; reset-gpios = <&gpio1 28 GPIO_ACTIVE_LOW>; diff --git a/arch/arm/boot/dts/imx28-tx28.dts b/arch/arm/boot/dts/imx28-tx28.dts index a5b27c85a91c..4ea89344a5ff 100644 --- a/arch/arm/boot/dts/imx28-tx28.dts +++ b/arch/arm/boot/dts/imx28-tx28.dts @@ -13,6 +13,7 @@ /dts-v1/; #include "imx28.dtsi" #include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/interrupt-controller/irq.h> / { model = "Ka-Ro electronics TX28 module"; @@ -324,7 +325,7 @@ pinctrl-names = "default"; pinctrl-0 = <&tx28_edt_ft5x06_pins>; interrupt-parent = <&gpio2>; - interrupts = <5 0>; + interrupts = <5 IRQ_TYPE_EDGE_FALLING>; reset-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>; wake-gpios = <&gpio4 9 GPIO_ACTIVE_HIGH>; }; diff --git a/arch/arm/boot/dts/imx53-tx53-x03x.dts b/arch/arm/boot/dts/imx53-tx53-x03x.dts index 3b73e81dc3f0..13e842b0c785 100644 --- a/arch/arm/boot/dts/imx53-tx53-x03x.dts +++ b/arch/arm/boot/dts/imx53-tx53-x03x.dts @@ -12,6 +12,7 @@ /dts-v1/; #include "imx53-tx53.dtsi" #include <dt-bindings/input/input.h> +#include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/pwm/pwm.h> / { @@ -216,7 +217,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_edt_ft5x06_1>; interrupt-parent = <&gpio6>; - interrupts = <15 0>; + interrupts = <15 IRQ_TYPE_EDGE_FALLING>; reset-gpios = <&gpio2 22 GPIO_ACTIVE_LOW>; wake-gpios = <&gpio2 21 GPIO_ACTIVE_HIGH>; }; diff --git a/arch/arm/boot/dts/imx6qdl-tx6.dtsi b/arch/arm/boot/dts/imx6qdl-tx6.dtsi index da08de324e9e..13cb7ccfea44 100644 --- a/arch/arm/boot/dts/imx6qdl-tx6.dtsi +++ b/arch/arm/boot/dts/imx6qdl-tx6.dtsi @@ -11,6 +11,7 @@ #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/input/input.h> +#include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/pwm/pwm.h> / { @@ -272,7 +273,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_edt_ft5x06>; interrupt-parent = <&gpio6>; - interrupts = <15 0>; + interrupts = <15 IRQ_TYPE_EDGE_FALLING>; reset-gpios = <&gpio2 22 GPIO_ACTIVE_LOW>; wake-gpios = <&gpio2 21 GPIO_ACTIVE_HIGH>; linux,wakeup; diff --git a/drivers/input/ff-core.c b/drivers/input/ff-core.c index c64208267198..eab56c0aacd5 100644 --- a/drivers/input/ff-core.c +++ b/drivers/input/ff-core.c @@ -273,14 +273,14 @@ int input_ff_event(struct input_dev *dev, unsigned int type, switch (code) { case FF_GAIN: - if (!test_bit(FF_GAIN, dev->ffbit) || value > 0xffff) + if (!test_bit(FF_GAIN, dev->ffbit) || value > 0xffffU) break; ff->set_gain(dev, value); break; case FF_AUTOCENTER: - if (!test_bit(FF_AUTOCENTER, dev->ffbit) || value > 0xffff) + if (!test_bit(FF_AUTOCENTER, dev->ffbit) || value > 0xffffU) break; ff->set_autocenter(dev, value); diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c index 6cb5a3e5f9a1..e3dcd4abae18 100644 --- a/drivers/input/joydev.c +++ b/drivers/input/joydev.c @@ -444,12 +444,9 @@ static int joydev_handle_JSIOCSAXMAP(struct joydev *joydev, len = min(len, sizeof(joydev->abspam)); /* Validate the map. */ - abspam = kmalloc(len, GFP_KERNEL); - if (!abspam) - return -ENOMEM; - - if (copy_from_user(abspam, argp, len)) { - retval = -EFAULT; + abspam = memdup_user(argp, len); + if (IS_ERR(abspam)) { + retval = PTR_ERR(abspam); goto out; } @@ -480,12 +477,9 @@ static int joydev_handle_JSIOCSBTNMAP(struct joydev *joydev, len = min(len, sizeof(joydev->keypam)); /* Validate the map. */ - keypam = kmalloc(len, GFP_KERNEL); - if (!keypam) - return -ENOMEM; - - if (copy_from_user(keypam, argp, len)) { - retval = -EFAULT; + keypam = memdup_user(argp, len); + if (IS_ERR(keypam)) { + retval = PTR_ERR(keypam); goto out; } diff --git a/drivers/input/joystick/db9.c b/drivers/input/joystick/db9.c index 8e7de5c7754f..932d07307454 100644 --- a/drivers/input/joystick/db9.c +++ b/drivers/input/joystick/db9.c @@ -48,7 +48,7 @@ struct db9_config { }; #define DB9_MAX_PORTS 3 -static struct db9_config db9_cfg[DB9_MAX_PORTS] __initdata; +static struct db9_config db9_cfg[DB9_MAX_PORTS]; module_param_array_named(dev, db9_cfg[0].args, int, &db9_cfg[0].nargs, 0); MODULE_PARM_DESC(dev, "Describes first attached device (<parport#>,<type>)"); @@ -106,6 +106,7 @@ struct db9 { struct pardevice *pd; int mode; int used; + int parportno; struct mutex mutex; char phys[DB9_MAX_DEVICES][32]; }; @@ -553,54 +554,60 @@ static void db9_close(struct input_dev *dev) mutex_unlock(&db9->mutex); } -static struct db9 __init *db9_probe(int parport, int mode) +static void db9_attach(struct parport *pp) { struct db9 *db9; const struct db9_mode_data *db9_mode; - struct parport *pp; struct pardevice *pd; struct input_dev *input_dev; - int i, j; - int err; + int i, j, port_idx; + int mode; + struct pardev_cb db9_parport_cb; + + for (port_idx = 0; port_idx < DB9_MAX_PORTS; port_idx++) { + if (db9_cfg[port_idx].nargs == 0 || + db9_cfg[port_idx].args[DB9_ARG_PARPORT] < 0) + continue; + + if (db9_cfg[port_idx].args[DB9_ARG_PARPORT] == pp->number) + break; + } + + if (port_idx == DB9_MAX_PORTS) { + pr_debug("Not using parport%d.\n", pp->number); + return; + } + + mode = db9_cfg[port_idx].args[DB9_ARG_MODE]; if (mode < 1 || mode >= DB9_MAX_PAD || !db9_modes[mode].n_buttons) { printk(KERN_ERR "db9.c: Bad device type %d\n", mode); - err = -EINVAL; - goto err_out; + return; } db9_mode = &db9_modes[mode]; - pp = parport_find_number(parport); - if (!pp) { - printk(KERN_ERR "db9.c: no such parport\n"); - err = -ENODEV; - goto err_out; - } - if (db9_mode->bidirectional && !(pp->modes & PARPORT_MODE_TRISTATE)) { printk(KERN_ERR "db9.c: specified parport is not bidirectional\n"); - err = -EINVAL; - goto err_put_pp; + return; } - pd = parport_register_device(pp, "db9", NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL); + db9_parport_cb.flags = PARPORT_FLAG_EXCL; + + pd = parport_register_dev_model(pp, "db9", &db9_parport_cb, port_idx); if (!pd) { printk(KERN_ERR "db9.c: parport busy already - lp.o loaded?\n"); - err = -EBUSY; - goto err_put_pp; + return; } db9 = kzalloc(sizeof(struct db9), GFP_KERNEL); - if (!db9) { - printk(KERN_ERR "db9.c: Not enough memory\n"); - err = -ENOMEM; + if (!db9) goto err_unreg_pardev; - } mutex_init(&db9->mutex); db9->pd = pd; db9->mode = mode; + db9->parportno = pp->number; init_timer(&db9->timer); db9->timer.data = (long) db9; db9->timer.function = db9_timer; @@ -610,7 +617,6 @@ static struct db9 __init *db9_probe(int parport, int mode) db9->dev[i] = input_dev = input_allocate_device(); if (!input_dev) { printk(KERN_ERR "db9.c: Not enough memory for input device\n"); - err = -ENOMEM; goto err_unreg_devs; } @@ -639,13 +645,12 @@ static struct db9 __init *db9_probe(int parport, int mode) input_set_abs_params(input_dev, db9_abs[j], 1, 255, 0, 0); } - err = input_register_device(input_dev); - if (err) + if (input_register_device(input_dev)) goto err_free_dev; } - parport_put_port(pp); - return db9; + db9_base[port_idx] = db9; + return; err_free_dev: input_free_device(db9->dev[i]); @@ -655,15 +660,23 @@ static struct db9 __init *db9_probe(int parport, int mode) kfree(db9); err_unreg_pardev: parport_unregister_device(pd); - err_put_pp: - parport_put_port(pp); - err_out: - return ERR_PTR(err); } -static void db9_remove(struct db9 *db9) +static void db9_detach(struct parport *port) { int i; + struct db9 *db9; + + for (i = 0; i < DB9_MAX_PORTS; i++) { + if (db9_base[i] && db9_base[i]->parportno == port->number) + break; + } + + if (i == DB9_MAX_PORTS) + return; + + db9 = db9_base[i]; + db9_base[i] = NULL; for (i = 0; i < min(db9_modes[db9->mode].n_pads, DB9_MAX_DEVICES); i++) input_unregister_device(db9->dev[i]); @@ -671,11 +684,17 @@ static void db9_remove(struct db9 *db9) kfree(db9); } +static struct parport_driver db9_parport_driver = { + .name = "db9", + .match_port = db9_attach, + .detach = db9_detach, + .devmodel = true, +}; + static int __init db9_init(void) { int i; int have_dev = 0; - int err = 0; for (i = 0; i < DB9_MAX_PORTS; i++) { if (db9_cfg[i].nargs == 0 || db9_cfg[i].args[DB9_ARG_PARPORT] < 0) @@ -683,37 +702,21 @@ static int __init db9_init(void) if (db9_cfg[i].nargs < 2) { printk(KERN_ERR "db9.c: Device type must be specified.\n"); - err = -EINVAL; - break; - } - - db9_base[i] = db9_probe(db9_cfg[i].args[DB9_ARG_PARPORT], - db9_cfg[i].args[DB9_ARG_MODE]); - if (IS_ERR(db9_base[i])) { - err = PTR_ERR(db9_base[i]); - break; + return -EINVAL; } have_dev = 1; } - if (err) { - while (--i >= 0) - if (db9_base[i]) - db9_remove(db9_base[i]); - return err; - } + if (!have_dev) + return -ENODEV; - return have_dev ? 0 : -ENODEV; + return parport_register_driver(&db9_parport_driver); } static void __exit db9_exit(void) { - int i; - - for (i = 0; i < DB9_MAX_PORTS; i++) - if (db9_base[i]) - db9_remove(db9_base[i]); + parport_unregister_driver(&db9_parport_driver); } module_init(db9_init); diff --git a/drivers/input/joystick/gamecon.c b/drivers/input/joystick/gamecon.c index e68e49786483..5a672dcac0d8 100644 --- a/drivers/input/joystick/gamecon.c +++ b/drivers/input/joystick/gamecon.c @@ -53,7 +53,7 @@ struct gc_config { unsigned int nargs; }; -static struct gc_config gc_cfg[GC_MAX_PORTS] __initdata; +static struct gc_config gc_cfg[GC_MAX_PORTS]; module_param_array_named(map, gc_cfg[0].args, int, &gc_cfg[0].nargs, 0); MODULE_PARM_DESC(map, "Describes first set of devices (<parport#>,<pad1>,<pad2>,..<pad5>)"); @@ -92,6 +92,7 @@ struct gc { struct timer_list timer; int pad_count[GC_MAX]; int used; + int parportno; struct mutex mutex; }; @@ -304,7 +305,7 @@ static int gc_n64_play_effect(struct input_dev *dev, void *data, return 0; } -static int __init gc_n64_init_ff(struct input_dev *dev, int i) +static int gc_n64_init_ff(struct input_dev *dev, int i) { struct gc_subdev *sdev; int err; @@ -811,7 +812,7 @@ static void gc_close(struct input_dev *dev) mutex_unlock(&gc->mutex); } -static int __init gc_setup_pad(struct gc *gc, int idx, int pad_type) +static int gc_setup_pad(struct gc *gc, int idx, int pad_type) { struct gc_pad *pad = &gc->pads[idx]; struct input_dev *input_dev; @@ -926,46 +927,55 @@ err_free_dev: return err; } -static struct gc __init *gc_probe(int parport, int *pads, int n_pads) +static void gc_attach(struct parport *pp) { struct gc *gc; - struct parport *pp; struct pardevice *pd; - int i; + int i, port_idx; int count = 0; - int err; + int *pads, n_pads; + struct pardev_cb gc_parport_cb; + + for (port_idx = 0; port_idx < GC_MAX_PORTS; port_idx++) { + if (gc_cfg[port_idx].nargs == 0 || gc_cfg[port_idx].args[0] < 0) + continue; + + if (gc_cfg[port_idx].args[0] == pp->number) + break; + } - pp = parport_find_number(parport); - if (!pp) { - pr_err("no such parport %d\n", parport); - err = -EINVAL; - goto err_out; + if (port_idx == GC_MAX_PORTS) { + pr_debug("Not using parport%d.\n", pp->number); + return; } + pads = gc_cfg[port_idx].args + 1; + n_pads = gc_cfg[port_idx].nargs - 1; - pd = parport_register_device(pp, "gamecon", NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL); + gc_parport_cb.flags = PARPORT_FLAG_EXCL; + + pd = parport_register_dev_model(pp, "gamecon", &gc_parport_cb, + port_idx); if (!pd) { pr_err("parport busy already - lp.o loaded?\n"); - err = -EBUSY; - goto err_put_pp; + return; } gc = kzalloc(sizeof(struct gc), GFP_KERNEL); if (!gc) { pr_err("Not enough memory\n"); - err = -ENOMEM; goto err_unreg_pardev; } mutex_init(&gc->mutex); gc->pd = pd; + gc->parportno = pp->number; setup_timer(&gc->timer, gc_timer, (long) gc); for (i = 0; i < n_pads && i < GC_MAX_DEVICES; i++) { if (!pads[i]) continue; - err = gc_setup_pad(gc, i, pads[i]); - if (err) + if (gc_setup_pad(gc, i, pads[i])) goto err_unreg_devs; count++; @@ -973,12 +983,11 @@ static struct gc __init *gc_probe(int parport, int *pads, int n_pads) if (count == 0) { pr_err("No valid devices specified\n"); - err = -EINVAL; goto err_free_gc; } - parport_put_port(pp); - return gc; + gc_base[port_idx] = gc; + return; err_unreg_devs: while (--i >= 0) @@ -988,15 +997,23 @@ static struct gc __init *gc_probe(int parport, int *pads, int n_pads) kfree(gc); err_unreg_pardev: parport_unregister_device(pd); - err_put_pp: - parport_put_port(pp); - err_out: - return ERR_PTR(err); } -static void gc_remove(struct gc *gc) +static void gc_detach(struct parport *port) { int i; + struct gc *gc; + + for (i = 0; i < GC_MAX_PORTS; i++) { + if (gc_base[i] && gc_base[i]->parportno == port->number) + break; + } + + if (i == GC_MAX_PORTS) + return; + + gc = gc_base[i]; + gc_base[i] = NULL; for (i = 0; i < GC_MAX_DEVICES; i++) if (gc->pads[i].dev) @@ -1005,11 +1022,17 @@ static void gc_remove(struct gc *gc) kfree(gc); } +static struct parport_driver gc_parport_driver = { + .name = "gamecon", + .match_port = gc_attach, + .detach = gc_detach, + .devmodel = true, +}; + static int __init gc_init(void) { int i; int have_dev = 0; - int err = 0; for (i = 0; i < GC_MAX_PORTS; i++) { if (gc_cfg[i].nargs == 0 || gc_cfg[i].args[0] < 0) @@ -1017,37 +1040,21 @@ static int __init gc_init(void) if (gc_cfg[i].nargs < 2) { pr_err("at least one device must be specified\n"); - err = -EINVAL; - break; - } - - gc_base[i] = gc_probe(gc_cfg[i].args[0], - gc_cfg[i].args + 1, gc_cfg[i].nargs - 1); - if (IS_ERR(gc_base[i])) { - err = PTR_ERR(gc_base[i]); - break; + return -EINVAL; } have_dev = 1; } - if (err) { - while (--i >= 0) - if (gc_base[i]) - gc_remove(gc_base[i]); - return err; - } + if (!have_dev) + return -ENODEV; - return have_dev ? 0 : -ENODEV; + return parport_register_driver(&gc_parport_driver); } static void __exit gc_exit(void) { - int i; - - for (i = 0; i < GC_MAX_PORTS; i++) - if (gc_base[i]) - gc_remove(gc_base[i]); + parport_unregister_driver(&gc_parport_driver); } module_init(gc_init); diff --git a/drivers/input/joystick/turbografx.c b/drivers/input/joystick/turbografx.c index 891797ad76bc..9f5bca26bd2f 100644 --- a/drivers/input/joystick/turbografx.c +++ b/drivers/input/joystick/turbografx.c @@ -49,7 +49,7 @@ struct tgfx_config { unsigned int nargs; }; -static struct tgfx_config tgfx_cfg[TGFX_MAX_PORTS] __initdata; +static struct tgfx_config tgfx_cfg[TGFX_MAX_PORTS]; module_param_array_named(map, tgfx_cfg[0].args, int, &tgfx_cfg[0].nargs, 0); MODULE_PARM_DESC(map, "Describes first set of devices (<parport#>,<js1>,<js2>,..<js7>"); @@ -81,6 +81,7 @@ static struct tgfx { char phys[TGFX_MAX_DEVICES][32]; int sticks; int used; + int parportno; struct mutex sem; } *tgfx_base[TGFX_MAX_PORTS]; @@ -156,38 +157,48 @@ static void tgfx_close(struct input_dev *dev) * tgfx_probe() probes for tg gamepads. */ -static struct tgfx __init *tgfx_probe(int parport, int *n_buttons, int n_devs) +static void tgfx_attach(struct parport *pp) { struct tgfx *tgfx; struct input_dev *input_dev; - struct parport *pp; struct pardevice *pd; - int i, j; - int err; + int i, j, port_idx; + int *n_buttons, n_devs; + struct pardev_cb tgfx_parport_cb; + + for (port_idx = 0; port_idx < TGFX_MAX_PORTS; port_idx++) { + if (tgfx_cfg[port_idx].nargs == 0 || + tgfx_cfg[port_idx].args[0] < 0) + continue; + if (tgfx_cfg[port_idx].args[0] == pp->number) + break; + } - pp = parport_find_number(parport); - if (!pp) { - printk(KERN_ERR "turbografx.c: no such parport\n"); - err = -EINVAL; - goto err_out; + if (port_idx == TGFX_MAX_PORTS) { + pr_debug("Not using parport%d.\n", pp->number); + return; } + n_buttons = tgfx_cfg[port_idx].args + 1; + n_devs = tgfx_cfg[port_idx].nargs - 1; + + tgfx_parport_cb.flags = PARPORT_FLAG_EXCL; - pd = parport_register_device(pp, "turbografx", NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL); + pd = parport_register_dev_model(pp, "turbografx", &tgfx_parport_cb, + port_idx); if (!pd) { - printk(KERN_ERR "turbografx.c: parport busy already - lp.o loaded?\n"); - err = -EBUSY; - goto err_put_pp; + pr_err("parport busy already - lp.o loaded?\n"); + return; } tgfx = kzalloc(sizeof(struct tgfx), GFP_KERNEL); if (!tgfx) { printk(KERN_ERR "turbografx.c: Not enough memory\n"); - err = -ENOMEM; goto err_unreg_pardev; } mutex_init(&tgfx->sem); tgfx->pd = pd; + tgfx->parportno = pp->number; init_timer(&tgfx->timer); tgfx->timer.data = (long) tgfx; tgfx->timer.function = tgfx_timer; @@ -198,14 +209,12 @@ static struct tgfx __init *tgfx_probe(int parport, int *n_buttons, int n_devs) if (n_buttons[i] > ARRAY_SIZE(tgfx_buttons)) { printk(KERN_ERR "turbografx.c: Invalid number of buttons %d\n", n_buttons[i]); - err = -EINVAL; goto err_unreg_devs; } tgfx->dev[i] = input_dev = input_allocate_device(); if (!input_dev) { printk(KERN_ERR "turbografx.c: Not enough memory for input device\n"); - err = -ENOMEM; goto err_unreg_devs; } @@ -234,19 +243,17 @@ static struct tgfx __init *tgfx_probe(int parport, int *n_buttons, int n_devs) for (j = 0; j < n_buttons[i]; j++) set_bit(tgfx_buttons[j], input_dev->keybit); - err = input_register_device(tgfx->dev[i]); - if (err) + if (input_register_device(tgfx->dev[i])) goto err_free_dev; } if (!tgfx->sticks) { printk(KERN_ERR "turbografx.c: No valid devices specified\n"); - err = -EINVAL; goto err_free_tgfx; } - parport_put_port(pp); - return tgfx; + tgfx_base[port_idx] = tgfx; + return; err_free_dev: input_free_device(tgfx->dev[i]); @@ -258,15 +265,23 @@ static struct tgfx __init *tgfx_probe(int parport, int *n_buttons, int n_devs) kfree(tgfx); err_unreg_pardev: parport_unregister_device(pd); - err_put_pp: - parport_put_port(pp); - err_out: - return ERR_PTR(err); } -static void tgfx_remove(struct tgfx *tgfx) +static void tgfx_detach(struct parport *port) { int i; + struct tgfx *tgfx; + + for (i = 0; i < TGFX_MAX_PORTS; i++) { + if (tgfx_base[i] && tgfx_base[i]->parportno == port->number) + break; + } + + if (i == TGFX_MAX_PORTS) + return; + + tgfx = tgfx_base[i]; + tgfx_base[i] = NULL; for (i = 0; i < TGFX_MAX_DEVICES; i++) if (tgfx->dev[i]) @@ -275,11 +290,17 @@ static void tgfx_remove(struct tgfx *tgfx) kfree(tgfx); } +static struct parport_driver tgfx_parport_driver = { + .name = "turbografx", + .match_port = tgfx_attach, + .detach = tgfx_detach, + .devmodel = true, +}; + static int __init tgfx_init(void) { int i; int have_dev = 0; - int err = 0; for (i = 0; i < TGFX_MAX_PORTS; i++) { if (tgfx_cfg[i].nargs == 0 || tgfx_cfg[i].args[0] < 0) @@ -287,38 +308,21 @@ static int __init tgfx_init(void) if (tgfx_cfg[i].nargs < 2) { printk(KERN_ERR "turbografx.c: at least one joystick must be specified\n"); - err = -EINVAL; - break; - } - - tgfx_base[i] = tgfx_probe(tgfx_cfg[i].args[0], - tgfx_cfg[i].args + 1, - tgfx_cfg[i].nargs - 1); - if (IS_ERR(tgfx_base[i])) { - err = PTR_ERR(tgfx_base[i]); - break; + return -EINVAL; } have_dev = 1; } - if (err) { - while (--i >= 0) - if (tgfx_base[i]) - tgfx_remove(tgfx_base[i]); - return err; - } + if (!have_dev) + return -ENODEV; - return have_dev ? 0 : -ENODEV; + return parport_register_driver(&tgfx_parport_driver); } static void __exit tgfx_exit(void) { - int i; - - for (i = 0; i < TGFX_MAX_PORTS; i++) - if (tgfx_base[i]) - tgfx_remove(tgfx_base[i]); + parport_unregister_driver(&tgfx_parport_driver); } module_init(tgfx_init); diff --git a/drivers/input/joystick/walkera0701.c b/drivers/input/joystick/walkera0701.c index a8bc2fe170dd..d88f5dd3c9d9 100644 --- a/drivers/input/joystick/walkera0701.c +++ b/drivers/input/joystick/walkera0701.c @@ -200,35 +200,38 @@ static void walkera0701_close(struct input_dev *dev) parport_release(w->pardevice); } -static int walkera0701_connect(struct walkera_dev *w, int parport) +static void walkera0701_attach(struct parport *pp) { - int error; + struct pardev_cb walkera0701_parport_cb; + struct walkera_dev *w = &w_dev; - w->parport = parport_find_number(parport); - if (!w->parport) { - pr_err("parport %d does not exist\n", parport); - return -ENODEV; + if (pp->number != walkera0701_pp_no) { + pr_debug("Not using parport%d.\n", pp->number); + return; } - if (w->parport->irq == -1) { + if (pp->irq == -1) { pr_err("parport %d does not have interrupt assigned\n", - parport); - error = -EINVAL; - goto err_put_parport; + pp->number); + return; } - w->pardevice = parport_register_device(w->parport, "walkera0701", - NULL, NULL, walkera0701_irq_handler, - PARPORT_DEV_EXCL, w); + w->parport = pp; + + walkera0701_parport_cb.flags = PARPORT_FLAG_EXCL; + walkera0701_parport_cb.irq_func = walkera0701_irq_handler; + walkera0701_parport_cb.private = w; + + w->pardevice = parport_register_dev_model(pp, "walkera0701", + &walkera0701_parport_cb, 0); + if (!w->pardevice) { pr_err("failed to register parport device\n"); - error = -EIO; - goto err_put_parport; + return; } if (parport_negotiate(w->pardevice->port, IEEE1284_MODE_COMPAT)) { pr_err("failed to negotiate parport mode\n"); - error = -EIO; goto err_unregister_device; } @@ -238,7 +241,6 @@ static int walkera0701_connect(struct walkera_dev *w, int parport) w->input_dev = input_allocate_device(); if (!w->input_dev) { pr_err("failed to allocate input device\n"); - error = -ENOMEM; goto err_unregister_device; } @@ -265,38 +267,46 @@ static int walkera0701_connect(struct walkera_dev *w, int parport) input_set_abs_params(w->input_dev, ABS_RUDDER, -512, 512, 0, 0); input_set_abs_params(w->input_dev, ABS_MISC, -512, 512, 0, 0); - error = input_register_device(w->input_dev); - if (error) { + if (input_register_device(w->input_dev)) { pr_err("failed to register input device\n"); goto err_free_input_dev; } - return 0; + return; err_free_input_dev: input_free_device(w->input_dev); err_unregister_device: parport_unregister_device(w->pardevice); -err_put_parport: - parport_put_port(w->parport); - return error; } -static void walkera0701_disconnect(struct walkera_dev *w) +static void walkera0701_detach(struct parport *port) { + struct walkera_dev *w = &w_dev; + + if (!w->pardevice || w->parport->number != port->number) + return; + input_unregister_device(w->input_dev); parport_unregister_device(w->pardevice); - parport_put_port(w->parport); + w->parport = NULL; } +static struct parport_driver walkera0701_parport_driver = { + .name = "walkera0701", + .match_port = walkera0701_attach, + .detach = walkera0701_detach, + .devmodel = true, +}; + static int __init walkera0701_init(void) { - return walkera0701_connect(&w_dev, walkera0701_pp_no); + return parport_register_driver(&walkera0701_parport_driver); } static void __exit walkera0701_exit(void) { - walkera0701_disconnect(&w_dev); + parport_unregister_driver(&walkera0701_parport_driver); } module_init(walkera0701_init); diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index 2e80107ff630..ddd8148d51d7 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -516,7 +516,7 @@ config KEYBOARD_SAMSUNG module will be called samsung-keypad. config KEYBOARD_GOLDFISH_EVENTS - depends on GOLDFISH + depends on GOLDFISH || COMPILE_TEST tristate "Generic Input Event device for Goldfish" help Say Y here to get an input event device for the Goldfish virtual diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index 9d517ca7eb5a..bef317ff7352 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -341,8 +341,14 @@ static void gpio_keys_gpio_report_event(struct gpio_button_data *bdata) const struct gpio_keys_button *button = bdata->button; struct input_dev *input = bdata->input; unsigned int type = button->type ?: EV_KEY; - int state = (gpio_get_value_cansleep(button->gpio) ? 1 : 0) ^ button->active_low; + int state = gpio_get_value_cansleep(button->gpio); + if (state < 0) { + dev_err(input->dev.parent, "failed to get gpio state\n"); + return; + } + + state = (state ? 1 : 0) ^ button->active_low; if (type == EV_ABS) { if (state) input_event(input, type, button->code, button->value); diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index 906dd1b25e41..d1ef61c2decd 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -599,11 +599,11 @@ config INPUT_DA9055_ONKEY will be called da9055_onkey. config INPUT_DA9063_ONKEY - tristate "Dialog DA9063 OnKey" - depends on MFD_DA9063 + tristate "Dialog DA9062/63 OnKey" + depends on MFD_DA9063 || MFD_DA9062 help - Support the ONKEY of Dialog DA9063 Power Management IC as an - input device reporting power button statue. + Support the ONKEY of Dialog DA9063 and DA9062 Power Management ICs + as an input device capable of reporting the power button status. To compile this driver as a module, choose M here: the module will be called da9063_onkey. diff --git a/drivers/input/misc/ad714x-i2c.c b/drivers/input/misc/ad714x-i2c.c index 189bdc8e91a5..2f047738bc0b 100644 --- a/drivers/input/misc/ad714x-i2c.c +++ b/drivers/input/misc/ad714x-i2c.c @@ -85,15 +85,6 @@ static int ad714x_i2c_probe(struct i2c_client *client, return 0; } -static int ad714x_i2c_remove(struct i2c_client *client) -{ - struct ad714x_chip *chip = i2c_get_clientdata(client); - - ad714x_remove(chip); - - return 0; -} - static const struct i2c_device_id ad714x_id[] = { { "ad7142_captouch", 0 }, { "ad7143_captouch", 0 }, @@ -110,7 +101,6 @@ static struct i2c_driver ad714x_i2c_driver = { .pm = &ad714x_i2c_pm, }, .probe = ad714x_i2c_probe, - .remove = ad714x_i2c_remove, .id_table = ad714x_id, }; diff --git a/drivers/input/misc/ad714x-spi.c b/drivers/input/misc/ad714x-spi.c index a79e50b58bf5..c8170f082962 100644 --- a/drivers/input/misc/ad714x-spi.c +++ b/drivers/input/misc/ad714x-spi.c @@ -101,15 +101,6 @@ static int ad714x_spi_probe(struct spi_device *spi) return 0; } -static int ad714x_spi_remove(struct spi_device *spi) -{ - struct ad714x_chip *chip = spi_get_drvdata(spi); - - ad714x_remove(chip); - - return 0; -} - static struct spi_driver ad714x_spi_driver = { .driver = { .name = "ad714x_captouch", @@ -117,7 +108,6 @@ static struct spi_driver ad714x_spi_driver = { .pm = &ad714x_spi_pm, }, .probe = ad714x_spi_probe, - .remove = ad714x_spi_remove, }; module_spi_driver(ad714x_spi_driver); diff --git a/drivers/input/misc/ad714x.c b/drivers/input/misc/ad714x.c index 7a61e9ee682c..84b51dd51f6e 100644 --- a/drivers/input/misc/ad714x.c +++ b/drivers/input/misc/ad714x.c @@ -960,13 +960,12 @@ static irqreturn_t ad714x_interrupt_thread(int irq, void *data) return IRQ_HANDLED; } -#define MAX_DEVICE_NUM 8 struct ad714x_chip *ad714x_probe(struct device *dev, u16 bus_type, int irq, ad714x_read_t read, ad714x_write_t write) { - int i, alloc_idx; + int i; int error; - struct input_dev *input[MAX_DEVICE_NUM]; + struct input_dev *input; struct ad714x_platform_data *plat_data = dev_get_platdata(dev); struct ad714x_chip *ad714x; @@ -982,25 +981,25 @@ struct ad714x_chip *ad714x_probe(struct device *dev, u16 bus_type, int irq, if (irq <= 0) { dev_err(dev, "IRQ not configured!\n"); error = -EINVAL; - goto err_out; + return ERR_PTR(error); } if (dev_get_platdata(dev) == NULL) { dev_err(dev, "platform data for ad714x doesn't exist\n"); error = -EINVAL; - goto err_out; + return ERR_PTR(error); } - ad714x = kzalloc(sizeof(*ad714x) + sizeof(*ad714x->sw) + - sizeof(*sd_drv) * plat_data->slider_num + - sizeof(*wl_drv) * plat_data->wheel_num + - sizeof(*tp_drv) * plat_data->touchpad_num + - sizeof(*bt_drv) * plat_data->button_num, GFP_KERNEL); + ad714x = devm_kzalloc(dev, sizeof(*ad714x) + sizeof(*ad714x->sw) + + sizeof(*sd_drv) * plat_data->slider_num + + sizeof(*wl_drv) * plat_data->wheel_num + + sizeof(*tp_drv) * plat_data->touchpad_num + + sizeof(*bt_drv) * plat_data->button_num, + GFP_KERNEL); if (!ad714x) { error = -ENOMEM; - goto err_out; + return ERR_PTR(error); } - ad714x->hw = plat_data; drv_mem = ad714x + 1; @@ -1022,47 +1021,40 @@ struct ad714x_chip *ad714x_probe(struct device *dev, u16 bus_type, int irq, error = ad714x_hw_detect(ad714x); if (error) - goto err_free_mem; + return ERR_PTR(error); /* initialize and request sw/hw resources */ ad714x_hw_init(ad714x); mutex_init(&ad714x->mutex); - /* - * Allocate and register AD714X input device - */ - alloc_idx = 0; - /* a slider uses one input_dev instance */ if (ad714x->hw->slider_num > 0) { struct ad714x_slider_plat *sd_plat = ad714x->hw->slider; for (i = 0; i < ad714x->hw->slider_num; i++) { - sd_drv[i].input = input[alloc_idx] = input_allocate_device(); - if (!input[alloc_idx]) { - error = -ENOMEM; - goto err_free_dev; - } - - __set_bit(EV_ABS, input[alloc_idx]->evbit); - __set_bit(EV_KEY, input[alloc_idx]->evbit); - __set_bit(ABS_X, input[alloc_idx]->absbit); - __set_bit(BTN_TOUCH, input[alloc_idx]->keybit); - input_set_abs_params(input[alloc_idx], + input = devm_input_allocate_device(dev); + if (!input) + return ERR_PTR(-ENOMEM); + + __set_bit(EV_ABS, input->evbit); + __set_bit(EV_KEY, input->evbit); + __set_bit(ABS_X, input->absbit); + __set_bit(BTN_TOUCH, input->keybit); + input_set_abs_params(input, ABS_X, 0, sd_plat->max_coord, 0, 0); - input[alloc_idx]->id.bustype = bus_type; - input[alloc_idx]->id.product = ad714x->product; - input[alloc_idx]->id.version = ad714x->version; - input[alloc_idx]->name = "ad714x_captouch_slider"; - input[alloc_idx]->dev.parent = dev; + input->id.bustype = bus_type; + input->id.product = ad714x->product; + input->id.version = ad714x->version; + input->name = "ad714x_captouch_slider"; + input->dev.parent = dev; - error = input_register_device(input[alloc_idx]); + error = input_register_device(input); if (error) - goto err_free_dev; + return ERR_PTR(error); - alloc_idx++; + sd_drv[i].input = input; } } @@ -1071,30 +1063,28 @@ struct ad714x_chip *ad714x_probe(struct device *dev, u16 bus_type, int irq, struct ad714x_wheel_plat *wl_plat = ad714x->hw->wheel; for (i = 0; i < ad714x->hw->wheel_num; i++) { - wl_drv[i].input = input[alloc_idx] = input_allocate_device(); - if (!input[alloc_idx]) { - error = -ENOMEM; - goto err_free_dev; - } - - __set_bit(EV_KEY, input[alloc_idx]->evbit); - __set_bit(EV_ABS, input[alloc_idx]->evbit); - __set_bit(ABS_WHEEL, input[alloc_idx]->absbit); - __set_bit(BTN_TOUCH, input[alloc_idx]->keybit); - input_set_abs_params(input[alloc_idx], + input = devm_input_allocate_device(dev); + if (!input) + return ERR_PTR(-ENOMEM); + + __set_bit(EV_KEY, input->evbit); + __set_bit(EV_ABS, input->evbit); + __set_bit(ABS_WHEEL, input->absbit); + __set_bit(BTN_TOUCH, input->keybit); + input_set_abs_params(input, ABS_WHEEL, 0, wl_plat->max_coord, 0, 0); - input[alloc_idx]->id.bustype = bus_type; - input[alloc_idx]->id.product = ad714x->product; - input[alloc_idx]->id.version = ad714x->version; - input[alloc_idx]->name = "ad714x_captouch_wheel"; - input[alloc_idx]->dev.parent = dev; + input->id.bustype = bus_type; + input->id.product = ad714x->product; + input->id.version = ad714x->version; + input->name = "ad714x_captouch_wheel"; + input->dev.parent = dev; - error = input_register_device(input[alloc_idx]); + error = input_register_device(input); if (error) - goto err_free_dev; + return ERR_PTR(error); - alloc_idx++; + wl_drv[i].input = input; } } @@ -1103,33 +1093,31 @@ struct ad714x_chip *ad714x_probe(struct device *dev, u16 bus_type, int irq, struct ad714x_touchpad_plat *tp_plat = ad714x->hw->touchpad; for (i = 0; i < ad714x->hw->touchpad_num; i++) { - tp_drv[i].input = input[alloc_idx] = input_allocate_device(); - if (!input[alloc_idx]) { - error = -ENOMEM; - goto err_free_dev; - } - - __set_bit(EV_ABS, input[alloc_idx]->evbit); - __set_bit(EV_KEY, input[alloc_idx]->evbit); - __set_bit(ABS_X, input[alloc_idx]->absbit); - __set_bit(ABS_Y, input[alloc_idx]->absbit); - __set_bit(BTN_TOUCH, input[alloc_idx]->keybit); - input_set_abs_params(input[alloc_idx], + input = devm_input_allocate_device(dev); + if (!input) + return ERR_PTR(-ENOMEM); + + __set_bit(EV_ABS, input->evbit); + __set_bit(EV_KEY, input->evbit); + __set_bit(ABS_X, input->absbit); + __set_bit(ABS_Y, input->absbit); + __set_bit(BTN_TOUCH, input->keybit); + input_set_abs_params(input, ABS_X, 0, tp_plat->x_max_coord, 0, 0); - input_set_abs_params(input[alloc_idx], + input_set_abs_params(input, ABS_Y, 0, tp_plat->y_max_coord, 0, 0); - input[alloc_idx]->id.bustype = bus_type; - input[alloc_idx]->id.product = ad714x->product; - input[alloc_idx]->id.version = ad714x->version; - input[alloc_idx]->name = "ad714x_captouch_pad"; - input[alloc_idx]->dev.parent = dev; + input->id.bustype = bus_type; + input->id.product = ad714x->product; + input->id.version = ad714x->version; + input->name = "ad714x_captouch_pad"; + input->dev.parent = dev; - error = input_register_device(input[alloc_idx]); + error = input_register_device(input); if (error) - goto err_free_dev; + return ERR_PTR(error); - alloc_idx++; + tp_drv[i].input = input; } } @@ -1137,82 +1125,44 @@ struct ad714x_chip *ad714x_probe(struct device *dev, u16 bus_type, int irq, if (ad714x->hw->button_num > 0) { struct ad714x_button_plat *bt_plat = ad714x->hw->button; - input[alloc_idx] = input_allocate_device(); - if (!input[alloc_idx]) { + input = devm_input_allocate_device(dev); + if (!input) { error = -ENOMEM; - goto err_free_dev; + return ERR_PTR(error); } - __set_bit(EV_KEY, input[alloc_idx]->evbit); + __set_bit(EV_KEY, input->evbit); for (i = 0; i < ad714x->hw->button_num; i++) { - bt_drv[i].input = input[alloc_idx]; - __set_bit(bt_plat[i].keycode, input[alloc_idx]->keybit); + bt_drv[i].input = input; + __set_bit(bt_plat[i].keycode, input->keybit); } - input[alloc_idx]->id.bustype = bus_type; - input[alloc_idx]->id.product = ad714x->product; - input[alloc_idx]->id.version = ad714x->version; - input[alloc_idx]->name = "ad714x_captouch_button"; - input[alloc_idx]->dev.parent = dev; + input->id.bustype = bus_type; + input->id.product = ad714x->product; + input->id.version = ad714x->version; + input->name = "ad714x_captouch_button"; + input->dev.parent = dev; - error = input_register_device(input[alloc_idx]); + error = input_register_device(input); if (error) - goto err_free_dev; - - alloc_idx++; + return ERR_PTR(error); } irqflags = plat_data->irqflags ?: IRQF_TRIGGER_FALLING; irqflags |= IRQF_ONESHOT; - error = request_threaded_irq(ad714x->irq, NULL, ad714x_interrupt_thread, - irqflags, "ad714x_captouch", ad714x); + error = devm_request_threaded_irq(dev, ad714x->irq, NULL, + ad714x_interrupt_thread, + irqflags, "ad714x_captouch", ad714x); if (error) { dev_err(dev, "can't allocate irq %d\n", ad714x->irq); - goto err_unreg_dev; + return ERR_PTR(error); } return ad714x; - - err_free_dev: - dev_err(dev, "failed to setup AD714x input device %i\n", alloc_idx); - input_free_device(input[alloc_idx]); - err_unreg_dev: - while (--alloc_idx >= 0) - input_unregister_device(input[alloc_idx]); - err_free_mem: - kfree(ad714x); - err_out: - return ERR_PTR(error); } EXPORT_SYMBOL(ad714x_probe); -void ad714x_remove(struct ad714x_chip *ad714x) -{ - struct ad714x_platform_data *hw = ad714x->hw; - struct ad714x_driver_data *sw = ad714x->sw; - int i; - - free_irq(ad714x->irq, ad714x); - - /* unregister and free all input devices */ - - for (i = 0; i < hw->slider_num; i++) - input_unregister_device(sw->slider[i].input); - - for (i = 0; i < hw->wheel_num; i++) - input_unregister_device(sw->wheel[i].input); - - for (i = 0; i < hw->touchpad_num; i++) - input_unregister_device(sw->touchpad[i].input); - - if (hw->button_num) - input_unregister_device(sw->button[0].input); - - kfree(ad714x); -} -EXPORT_SYMBOL(ad714x_remove); - #ifdef CONFIG_PM int ad714x_disable(struct ad714x_chip *ad714x) { diff --git a/drivers/input/misc/ad714x.h b/drivers/input/misc/ad714x.h index 3c85455aa66d..5d65d303b9bf 100644 --- a/drivers/input/misc/ad714x.h +++ b/drivers/input/misc/ad714x.h @@ -50,6 +50,5 @@ int ad714x_disable(struct ad714x_chip *ad714x); int ad714x_enable(struct ad714x_chip *ad714x); struct ad714x_chip *ad714x_probe(struct device *dev, u16 bus_type, int irq, ad714x_read_t read, ad714x_write_t write); -void ad714x_remove(struct ad714x_chip *ad714x); #endif diff --git a/drivers/input/misc/da9063_onkey.c b/drivers/input/misc/da9063_onkey.c index f577585ef999..8eb697db82d0 100644 --- a/drivers/input/misc/da9063_onkey.c +++ b/drivers/input/misc/da9063_onkey.c @@ -1,5 +1,5 @@ /* - * OnKey device driver for DA9063 + * OnKey device driver for DA9063 and DA9062 PMICs * Copyright (C) 2015 Dialog Semiconductor Ltd. * * This program is free software; you can redistribute it and/or @@ -24,36 +24,96 @@ #include <linux/mfd/da9063/core.h> #include <linux/mfd/da9063/pdata.h> #include <linux/mfd/da9063/registers.h> +#include <linux/mfd/da9062/core.h> +#include <linux/mfd/da9062/registers.h> + +struct da906x_chip_config { + /* REGS */ + int onkey_status; + int onkey_pwr_signalling; + int onkey_fault_log; + int onkey_shutdown; + /* MASKS */ + int onkey_nonkey_mask; + int onkey_nonkey_lock_mask; + int onkey_key_reset_mask; + int onkey_shutdown_mask; + /* NAMES */ + const char *name; +}; struct da9063_onkey { - struct da9063 *hw; struct delayed_work work; struct input_dev *input; struct device *dev; + struct regmap *regmap; + const struct da906x_chip_config *config; + char phys[32]; bool key_power; }; +static const struct da906x_chip_config da9063_regs = { + /* REGS */ + .onkey_status = DA9063_REG_STATUS_A, + .onkey_pwr_signalling = DA9063_REG_CONTROL_B, + .onkey_fault_log = DA9063_REG_FAULT_LOG, + .onkey_shutdown = DA9063_REG_CONTROL_F, + /* MASKS */ + .onkey_nonkey_mask = DA9063_NONKEY, + .onkey_nonkey_lock_mask = DA9063_NONKEY_LOCK, + .onkey_key_reset_mask = DA9063_KEY_RESET, + .onkey_shutdown_mask = DA9063_SHUTDOWN, + /* NAMES */ + .name = DA9063_DRVNAME_ONKEY, +}; + +static const struct da906x_chip_config da9062_regs = { + /* REGS */ + .onkey_status = DA9062AA_STATUS_A, + .onkey_pwr_signalling = DA9062AA_CONTROL_B, + .onkey_fault_log = DA9062AA_FAULT_LOG, + .onkey_shutdown = DA9062AA_CONTROL_F, + /* MASKS */ + .onkey_nonkey_mask = DA9062AA_NONKEY_MASK, + .onkey_nonkey_lock_mask = DA9062AA_NONKEY_LOCK_MASK, + .onkey_key_reset_mask = DA9062AA_KEY_RESET_MASK, + .onkey_shutdown_mask = DA9062AA_SHUTDOWN_MASK, + /* NAMES */ + .name = "da9062-onkey", +}; + +static const struct of_device_id da9063_compatible_reg_id_table[] = { + { .compatible = "dlg,da9063-onkey", .data = &da9063_regs }, + { .compatible = "dlg,da9062-onkey", .data = &da9062_regs }, + { }, +}; + static void da9063_poll_on(struct work_struct *work) { - struct da9063_onkey *onkey = container_of(work, struct da9063_onkey, - work.work); + struct da9063_onkey *onkey = container_of(work, + struct da9063_onkey, + work.work); + const struct da906x_chip_config *config = onkey->config; unsigned int val; int fault_log = 0; bool poll = true; int error; /* Poll to see when the pin is released */ - error = regmap_read(onkey->hw->regmap, DA9063_REG_STATUS_A, &val); + error = regmap_read(onkey->regmap, + config->onkey_status, + &val); if (error) { dev_err(onkey->dev, "Failed to read ON status: %d\n", error); goto err_poll; } - if (!(val & DA9063_NONKEY)) { - error = regmap_update_bits(onkey->hw->regmap, - DA9063_REG_CONTROL_B, - DA9063_NONKEY_LOCK, 0); + if (!(val & config->onkey_nonkey_mask)) { + error = regmap_update_bits(onkey->regmap, + config->onkey_pwr_signalling, + config->onkey_nonkey_lock_mask, + 0); if (error) { dev_err(onkey->dev, "Failed to reset the Key Delay %d\n", error); @@ -70,15 +130,16 @@ static void da9063_poll_on(struct work_struct *work) * If the fault log KEY_RESET is detected, then clear it * and shut down the system. */ - error = regmap_read(onkey->hw->regmap, - DA9063_REG_FAULT_LOG, &fault_log); + error = regmap_read(onkey->regmap, + config->onkey_fault_log, + &fault_log); if (error) { dev_warn(&onkey->input->dev, "Cannot read FAULT_LOG: %d\n", error); - } else if (fault_log & DA9063_KEY_RESET) { - error = regmap_write(onkey->hw->regmap, - DA9063_REG_FAULT_LOG, - DA9063_KEY_RESET); + } else if (fault_log & config->onkey_key_reset_mask) { + error = regmap_write(onkey->regmap, + config->onkey_fault_log, + config->onkey_key_reset_mask); if (error) { dev_warn(&onkey->input->dev, "Cannot reset KEY_RESET fault log: %d\n", @@ -88,10 +149,10 @@ static void da9063_poll_on(struct work_struct *work) * and then send shutdown command */ dev_dbg(&onkey->input->dev, - "Sending SHUTDOWN to DA9063 ...\n"); - error = regmap_write(onkey->hw->regmap, - DA9063_REG_CONTROL_F, - DA9063_SHUTDOWN); + "Sending SHUTDOWN to DA9063 ...\n"); + error = regmap_write(onkey->regmap, + config->onkey_shutdown, + config->onkey_shutdown_mask); if (error) dev_err(&onkey->input->dev, "Cannot SHUTDOWN DA9063: %d\n", @@ -107,11 +168,14 @@ err_poll: static irqreturn_t da9063_onkey_irq_handler(int irq, void *data) { struct da9063_onkey *onkey = data; + const struct da906x_chip_config *config = onkey->config; unsigned int val; int error; - error = regmap_read(onkey->hw->regmap, DA9063_REG_STATUS_A, &val); - if (onkey->key_power && !error && (val & DA9063_NONKEY)) { + error = regmap_read(onkey->regmap, + config->onkey_status, + &val); + if (onkey->key_power && !error && (val & config->onkey_nonkey_mask)) { input_report_key(onkey->input, KEY_POWER, 1); input_sync(onkey->input); schedule_delayed_work(&onkey->work, 0); @@ -139,9 +203,15 @@ static int da9063_onkey_probe(struct platform_device *pdev) struct da9063 *da9063 = dev_get_drvdata(pdev->dev.parent); struct da9063_pdata *pdata = dev_get_platdata(da9063->dev); struct da9063_onkey *onkey; + const struct of_device_id *match; int irq; int error; + match = of_match_node(da9063_compatible_reg_id_table, + pdev->dev.of_node); + if (!match) + return -ENXIO; + onkey = devm_kzalloc(&pdev->dev, sizeof(struct da9063_onkey), GFP_KERNEL); if (!onkey) { @@ -149,8 +219,14 @@ static int da9063_onkey_probe(struct platform_device *pdev) return -ENOMEM; } + onkey->config = match->data; onkey->dev = &pdev->dev; - onkey->hw = da9063; + + onkey->regmap = dev_get_regmap(pdev->dev.parent, NULL); + if (!onkey->regmap) { + dev_err(&pdev->dev, "Parent regmap unavailable.\n"); + return -ENXIO; + } if (pdata) onkey->key_power = pdata->key_power; @@ -165,8 +241,10 @@ static int da9063_onkey_probe(struct platform_device *pdev) return -ENOMEM; } - onkey->input->name = DA9063_DRVNAME_ONKEY; - onkey->input->phys = DA9063_DRVNAME_ONKEY "/input0"; + onkey->input->name = onkey->config->name; + snprintf(onkey->phys, sizeof(onkey->phys), "%s/input0", + onkey->config->name); + onkey->input->phys = onkey->phys; onkey->input->dev.parent = &pdev->dev; if (onkey->key_power) @@ -216,11 +294,12 @@ static struct platform_driver da9063_onkey_driver = { .probe = da9063_onkey_probe, .driver = { .name = DA9063_DRVNAME_ONKEY, + .of_match_table = da9063_compatible_reg_id_table, }, }; module_platform_driver(da9063_onkey_driver); MODULE_AUTHOR("S Twiss <[email protected]>"); -MODULE_DESCRIPTION("Onkey device driver for Dialog DA9063"); +MODULE_DESCRIPTION("Onkey device driver for Dialog DA9063 and DA9062"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:" DA9063_DRVNAME_ONKEY); diff --git a/drivers/input/misc/kxtj9.c b/drivers/input/misc/kxtj9.c index e058d711256a..efaffcc57e36 100644 --- a/drivers/input/misc/kxtj9.c +++ b/drivers/input/misc/kxtj9.c @@ -635,7 +635,6 @@ static int __maybe_unused kxtj9_resume(struct device *dev) struct i2c_client *client = to_i2c_client(dev); struct kxtj9_data *tj9 = i2c_get_clientdata(client); struct input_dev *input_dev = tj9->input_dev; - int retval = 0; mutex_lock(&input_dev->mutex); @@ -643,7 +642,7 @@ static int __maybe_unused kxtj9_resume(struct device *dev) kxtj9_enable(tj9); mutex_unlock(&input_dev->mutex); - return retval; + return 0; } static SIMPLE_DEV_PM_OPS(kxtj9_pm_ops, kxtj9_suspend, kxtj9_resume); diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index 600dcceff542..eda89b6b7e11 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -295,6 +295,19 @@ config TOUCHSCREEN_EGALAX To compile this driver as a module, choose M here: the module will be called egalax_ts. +config TOUCHSCREEN_FT6236 + tristate "FT6236 I2C touchscreen" + depends on I2C + depends on GPIOLIB || COMPILE_TEST + help + Say Y here to enable support for the I2C connected FT6x06 and + FT6x36 family of capacitive touchscreen drivers. + + If unsure, say N. + + To compile this driver as a module, choose M here: the + module will be called ft6236. + config TOUCHSCREEN_FUJITSU tristate "Fujitsu serial touchscreen" select SERIO diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile index 1b79cc09744a..baba189e3e16 100644 --- a/drivers/input/touchscreen/Makefile +++ b/drivers/input/touchscreen/Makefile @@ -35,6 +35,7 @@ obj-$(CONFIG_TOUCHSCREEN_EETI) += eeti_ts.o obj-$(CONFIG_TOUCHSCREEN_ELAN) += elants_i2c.o obj-$(CONFIG_TOUCHSCREEN_ELO) += elo.o obj-$(CONFIG_TOUCHSCREEN_EGALAX) += egalax_ts.o +obj-$(CONFIG_TOUCHSCREEN_FT6236) += ft6236.o obj-$(CONFIG_TOUCHSCREEN_FUJITSU) += fujitsu_ts.o obj-$(CONFIG_TOUCHSCREEN_GOODIX) += goodix.o obj-$(CONFIG_TOUCHSCREEN_ILI210X) += ili210x.o diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index 0f5f968592bd..727d88c900c1 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -529,10 +529,8 @@ static int ads784x_hwmon_register(struct spi_device *spi, struct ads7846 *ts) ts->hwmon = hwmon_device_register_with_groups(&spi->dev, spi->modalias, ts, ads7846_attr_groups); - if (IS_ERR(ts->hwmon)) - return PTR_ERR(ts->hwmon); - return 0; + return PTR_ERR_OR_ZERO(ts->hwmon); } static void ads784x_hwmon_unregister(struct spi_device *spi, diff --git a/drivers/input/touchscreen/auo-pixcir-ts.c b/drivers/input/touchscreen/auo-pixcir-ts.c index 38c06f754acd..6592fc5d48b4 100644 --- a/drivers/input/touchscreen/auo-pixcir-ts.c +++ b/drivers/input/touchscreen/auo-pixcir-ts.c @@ -399,13 +399,8 @@ static int auo_pixcir_stop(struct auo_pixcir_ts *ts) static int auo_pixcir_input_open(struct input_dev *dev) { struct auo_pixcir_ts *ts = input_get_drvdata(dev); - int ret; - - ret = auo_pixcir_start(ts); - if (ret) - return ret; - return 0; + return auo_pixcir_start(ts); } static void auo_pixcir_input_close(struct input_dev *dev) diff --git a/drivers/input/touchscreen/cyttsp4_i2c.c b/drivers/input/touchscreen/cyttsp4_i2c.c index a9f95c7d3c00..564e49002d5d 100644 --- a/drivers/input/touchscreen/cyttsp4_i2c.c +++ b/drivers/input/touchscreen/cyttsp4_i2c.c @@ -50,10 +50,7 @@ static int cyttsp4_i2c_probe(struct i2c_client *client, ts = cyttsp4_probe(&cyttsp4_i2c_bus_ops, &client->dev, client->irq, CYTTSP4_I2C_DATA_SIZE); - if (IS_ERR(ts)) - return PTR_ERR(ts); - - return 0; + return PTR_ERR_OR_ZERO(ts); } static int cyttsp4_i2c_remove(struct i2c_client *client) diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c index 48de1e8b3c93..7239c314c9e9 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -27,6 +27,7 @@ #include <linux/module.h> #include <linux/ratelimit.h> +#include <linux/irq.h> #include <linux/interrupt.h> #include <linux/input.h> #include <linux/i2c.h> @@ -34,11 +35,9 @@ #include <linux/delay.h> #include <linux/debugfs.h> #include <linux/slab.h> -#include <linux/gpio.h> -#include <linux/of_gpio.h> +#include <linux/gpio/consumer.h> #include <linux/input/mt.h> #include <linux/input/touchscreen.h> -#include <linux/input/edt-ft5x06.h> #define MAX_SUPPORT_POINTS 5 @@ -91,9 +90,8 @@ struct edt_ft5x06_ts_data { u16 num_x; u16 num_y; - int reset_pin; - int irq_pin; - int wake_pin; + struct gpio_desc *reset_gpio; + struct gpio_desc *wake_gpio; #if defined(CONFIG_DEBUG_FS) struct dentry *debug_dir; @@ -752,45 +750,6 @@ edt_ft5x06_ts_teardown_debugfs(struct edt_ft5x06_ts_data *tsdata) #endif /* CONFIG_DEBUGFS */ -static int edt_ft5x06_ts_reset(struct i2c_client *client, - struct edt_ft5x06_ts_data *tsdata) -{ - int error; - - if (gpio_is_valid(tsdata->wake_pin)) { - error = devm_gpio_request_one(&client->dev, - tsdata->wake_pin, GPIOF_OUT_INIT_LOW, - "edt-ft5x06 wake"); - if (error) { - dev_err(&client->dev, - "Failed to request GPIO %d as wake pin, error %d\n", - tsdata->wake_pin, error); - return error; - } - - msleep(5); - gpio_set_value(tsdata->wake_pin, 1); - } - if (gpio_is_valid(tsdata->reset_pin)) { - /* this pulls reset down, enabling the low active reset */ - error = devm_gpio_request_one(&client->dev, - tsdata->reset_pin, GPIOF_OUT_INIT_LOW, - "edt-ft5x06 reset"); - if (error) { - dev_err(&client->dev, - "Failed to request GPIO %d as reset pin, error %d\n", - tsdata->reset_pin, error); - return error; - } - - msleep(5); - gpio_set_value(tsdata->reset_pin, 1); - msleep(300); - } - - return 0; -} - static int edt_ft5x06_ts_identify(struct i2c_client *client, struct edt_ft5x06_ts_data *tsdata, char *fw_version) @@ -850,44 +809,24 @@ static int edt_ft5x06_ts_identify(struct i2c_client *client, return 0; } -#define EDT_ATTR_CHECKSET(name, reg) \ -do { \ - if (pdata->name >= edt_ft5x06_attr_##name.limit_low && \ - pdata->name <= edt_ft5x06_attr_##name.limit_high) \ - edt_ft5x06_register_write(tsdata, reg, pdata->name); \ -} while (0) - -#define EDT_GET_PROP(name, reg) { \ - u32 val; \ - if (of_property_read_u32(np, #name, &val) == 0) \ - edt_ft5x06_register_write(tsdata, reg, val); \ -} - -static void edt_ft5x06_ts_get_dt_defaults(struct device_node *np, - struct edt_ft5x06_ts_data *tsdata) +static void edt_ft5x06_ts_get_defaults(struct device *dev, + struct edt_ft5x06_ts_data *tsdata) { struct edt_reg_addr *reg_addr = &tsdata->reg_addr; + u32 val; + int error; - EDT_GET_PROP(threshold, reg_addr->reg_threshold); - EDT_GET_PROP(gain, reg_addr->reg_gain); - EDT_GET_PROP(offset, reg_addr->reg_offset); -} - -static void -edt_ft5x06_ts_get_defaults(struct edt_ft5x06_ts_data *tsdata, - const struct edt_ft5x06_platform_data *pdata) -{ - struct edt_reg_addr *reg_addr = &tsdata->reg_addr; + error = device_property_read_u32(dev, "threshold", &val); + if (!error) + reg_addr->reg_threshold = val; - if (!pdata->use_parameters) - return; + error = device_property_read_u32(dev, "gain", &val); + if (!error) + reg_addr->reg_gain = val; - /* pick up defaults from the platform data */ - EDT_ATTR_CHECKSET(threshold, reg_addr->reg_threshold); - EDT_ATTR_CHECKSET(gain, reg_addr->reg_gain); - EDT_ATTR_CHECKSET(offset, reg_addr->reg_offset); - if (reg_addr->reg_report_rate != NO_REGISTER) - EDT_ATTR_CHECKSET(report_rate, reg_addr->reg_report_rate); + error = device_property_read_u32(dev, "offset", &val); + if (!error) + reg_addr->reg_offset = val; } static void @@ -931,37 +870,12 @@ edt_ft5x06_ts_set_regs(struct edt_ft5x06_ts_data *tsdata) } } -#ifdef CONFIG_OF -static int edt_ft5x06_i2c_ts_probe_dt(struct device *dev, - struct edt_ft5x06_ts_data *tsdata) -{ - struct device_node *np = dev->of_node; - - /* - * irq_pin is not needed for DT setup. - * irq is associated via 'interrupts' property in DT - */ - tsdata->irq_pin = -EINVAL; - tsdata->reset_pin = of_get_named_gpio(np, "reset-gpios", 0); - tsdata->wake_pin = of_get_named_gpio(np, "wake-gpios", 0); - - return 0; -} -#else -static inline int edt_ft5x06_i2c_ts_probe_dt(struct device *dev, - struct edt_ft5x06_ts_data *tsdata) -{ - return -ENODEV; -} -#endif - static int edt_ft5x06_ts_probe(struct i2c_client *client, const struct i2c_device_id *id) { - const struct edt_ft5x06_platform_data *pdata = - dev_get_platdata(&client->dev); struct edt_ft5x06_ts_data *tsdata; struct input_dev *input; + unsigned long irq_flags; int error; char fw_version[EDT_NAME_LEN]; @@ -973,32 +887,33 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client, return -ENOMEM; } - if (!pdata) { - error = edt_ft5x06_i2c_ts_probe_dt(&client->dev, tsdata); - if (error) { - dev_err(&client->dev, - "DT probe failed and no platform data present\n"); - return error; - } - } else { - tsdata->reset_pin = pdata->reset_pin; - tsdata->irq_pin = pdata->irq_pin; - tsdata->wake_pin = -EINVAL; + tsdata->reset_gpio = devm_gpiod_get_optional(&client->dev, + "reset", GPIOD_OUT_HIGH); + if (IS_ERR(tsdata->reset_gpio)) { + error = PTR_ERR(tsdata->reset_gpio); + dev_err(&client->dev, + "Failed to request GPIO reset pin, error %d\n", error); + return error; } - error = edt_ft5x06_ts_reset(client, tsdata); - if (error) + tsdata->wake_gpio = devm_gpiod_get_optional(&client->dev, + "wake", GPIOD_OUT_LOW); + if (IS_ERR(tsdata->wake_gpio)) { + error = PTR_ERR(tsdata->wake_gpio); + dev_err(&client->dev, + "Failed to request GPIO wake pin, error %d\n", error); return error; + } - if (gpio_is_valid(tsdata->irq_pin)) { - error = devm_gpio_request_one(&client->dev, tsdata->irq_pin, - GPIOF_IN, "edt-ft5x06 irq"); - if (error) { - dev_err(&client->dev, - "Failed to request GPIO %d, error %d\n", - tsdata->irq_pin, error); - return error; - } + if (tsdata->wake_gpio) { + usleep_range(5000, 6000); + gpiod_set_value_cansleep(tsdata->wake_gpio, 1); + } + + if (tsdata->reset_gpio) { + usleep_range(5000, 6000); + gpiod_set_value_cansleep(tsdata->reset_gpio, 0); + msleep(300); } input = devm_input_allocate_device(&client->dev); @@ -1019,12 +934,7 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client, } edt_ft5x06_ts_set_regs(tsdata); - - if (!pdata) - edt_ft5x06_ts_get_dt_defaults(client->dev.of_node, tsdata); - else - edt_ft5x06_ts_get_defaults(tsdata, pdata); - + edt_ft5x06_ts_get_defaults(&client->dev, tsdata); edt_ft5x06_ts_get_parameters(tsdata); dev_dbg(&client->dev, @@ -1040,8 +950,7 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client, input_set_abs_params(input, ABS_MT_POSITION_Y, 0, tsdata->num_y * 64 - 1, 0, 0); - if (!pdata) - touchscreen_parse_properties(input, true); + touchscreen_parse_properties(input, true); error = input_mt_init_slots(input, MAX_SUPPORT_POINTS, INPUT_MT_DIRECT); if (error) { @@ -1052,9 +961,13 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client, input_set_drvdata(input, tsdata); i2c_set_clientdata(client, tsdata); - error = devm_request_threaded_irq(&client->dev, client->irq, NULL, - edt_ft5x06_ts_isr, - IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + irq_flags = irq_get_trigger_type(client->irq); + if (irq_flags == IRQF_TRIGGER_NONE) + irq_flags = IRQF_TRIGGER_FALLING; + irq_flags |= IRQF_ONESHOT; + + error = devm_request_threaded_irq(&client->dev, client->irq, + NULL, edt_ft5x06_ts_isr, irq_flags, client->name, tsdata); if (error) { dev_err(&client->dev, "Unable to request touchscreen IRQ.\n"); @@ -1074,7 +987,8 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client, dev_dbg(&client->dev, "EDT FT5x06 initialized: IRQ %d, WAKE pin %d, Reset pin %d.\n", - client->irq, tsdata->wake_pin, tsdata->reset_pin); + client->irq, desc_to_gpio(tsdata->wake_gpio), + desc_to_gpio(tsdata->reset_gpio)); return 0; diff --git a/drivers/input/touchscreen/ft6236.c b/drivers/input/touchscreen/ft6236.c new file mode 100644 index 000000000000..cccae193668e --- /dev/null +++ b/drivers/input/touchscreen/ft6236.c @@ -0,0 +1,327 @@ +/* + * FocalTech FT6236 TouchScreen driver. + * + * Copyright (c) 2010 Focal tech Ltd. + * + * 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/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/input/mt.h> +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/property.h> + +#define FT6236_MAX_TOUCH_POINTS 2 + +#define FT6236_REG_TH_GROUP 0x80 +#define FT6236_REG_PERIODACTIVE 0x88 +#define FT6236_REG_LIB_VER_H 0xa1 +#define FT6236_REG_LIB_VER_L 0xa2 +#define FT6236_REG_CIPHER 0xa3 +#define FT6236_REG_FIRMID 0xa6 +#define FT6236_REG_FOCALTECH_ID 0xa8 +#define FT6236_REG_RELEASE_CODE_ID 0xaf + +#define FT6236_EVENT_PRESS_DOWN 0 +#define FT6236_EVENT_LIFT_UP 1 +#define FT6236_EVENT_CONTACT 2 +#define FT6236_EVENT_NO_EVENT 3 + +struct ft6236_data { + struct i2c_client *client; + struct input_dev *input; + struct gpio_desc *reset_gpio; + u32 max_x; + u32 max_y; + bool invert_x; + bool invert_y; + bool swap_xy; +}; + +/* + * This struct is a touchpoint as stored in hardware. Note that the id, + * as well as the event, are stored in the upper nybble of the hi byte. + */ +struct ft6236_touchpoint { + union { + u8 xhi; + u8 event; + }; + u8 xlo; + union { + u8 yhi; + u8 id; + }; + u8 ylo; + u8 weight; + u8 misc; +} __packed; + +/* This packet represents the register map as read from offset 0 */ +struct ft6236_packet { + u8 dev_mode; + u8 gest_id; + u8 touches; + struct ft6236_touchpoint points[FT6236_MAX_TOUCH_POINTS]; +} __packed; + +static int ft6236_read(struct i2c_client *client, u8 reg, u8 len, void *data) +{ + int error; + + error = i2c_smbus_read_i2c_block_data(client, reg, len, data); + if (error < 0) + return error; + + if (error != len) + return -EIO; + + return 0; +} + +static irqreturn_t ft6236_interrupt(int irq, void *dev_id) +{ + struct ft6236_data *ft6236 = dev_id; + struct device *dev = &ft6236->client->dev; + struct input_dev *input = ft6236->input; + struct ft6236_packet buf; + u8 touches; + int i, error; + + error = ft6236_read(ft6236->client, 0, sizeof(buf), &buf); + if (error) { + dev_err(dev, "read touchdata failed %d\n", error); + return IRQ_HANDLED; + } + + touches = buf.touches & 0xf; + if (touches > FT6236_MAX_TOUCH_POINTS) { + dev_dbg(dev, + "%d touch points reported, only %d are supported\n", + touches, FT6236_MAX_TOUCH_POINTS); + touches = FT6236_MAX_TOUCH_POINTS; + } + + for (i = 0; i < touches; i++) { + struct ft6236_touchpoint *point = &buf.points[i]; + u16 x = ((point->xhi & 0xf) << 8) | buf.points[i].xlo; + u16 y = ((point->yhi & 0xf) << 8) | buf.points[i].ylo; + u8 event = point->event >> 6; + u8 id = point->id >> 4; + bool act = (event == FT6236_EVENT_PRESS_DOWN || + event == FT6236_EVENT_CONTACT); + + input_mt_slot(input, id); + input_mt_report_slot_state(input, MT_TOOL_FINGER, act); + if (!act) + continue; + + if (ft6236->invert_x) + x = ft6236->max_x - x; + + if (ft6236->invert_y) + y = ft6236->max_y - y; + + if (ft6236->swap_xy) { + input_report_abs(input, ABS_MT_POSITION_X, y); + input_report_abs(input, ABS_MT_POSITION_Y, x); + } else { + input_report_abs(input, ABS_MT_POSITION_X, x); + input_report_abs(input, ABS_MT_POSITION_Y, y); + } + } + + input_mt_sync_frame(input); + input_sync(input); + + return IRQ_HANDLED; +} + +static u8 ft6236_debug_read_byte(struct ft6236_data *ft6236, u8 reg) +{ + struct i2c_client *client = ft6236->client; + u8 val = 0; + int error; + + error = ft6236_read(client, reg, 1, &val); + if (error) + dev_dbg(&client->dev, + "error reading register 0x%02x: %d\n", reg, error); + + return val; +} + +static void ft6236_debug_info(struct ft6236_data *ft6236) +{ + struct device *dev = &ft6236->client->dev; + + dev_dbg(dev, "Touch threshold is %d\n", + ft6236_debug_read_byte(ft6236, FT6236_REG_TH_GROUP) * 4); + dev_dbg(dev, "Report rate is %dHz\n", + ft6236_debug_read_byte(ft6236, FT6236_REG_PERIODACTIVE) * 10); + dev_dbg(dev, "Firmware library version 0x%02x%02x\n", + ft6236_debug_read_byte(ft6236, FT6236_REG_LIB_VER_H), + ft6236_debug_read_byte(ft6236, FT6236_REG_LIB_VER_L)); + dev_dbg(dev, "Firmware version 0x%02x\n", + ft6236_debug_read_byte(ft6236, FT6236_REG_FIRMID)); + dev_dbg(dev, "Chip vendor ID 0x%02x\n", + ft6236_debug_read_byte(ft6236, FT6236_REG_CIPHER)); + dev_dbg(dev, "CTPM vendor ID 0x%02x\n", + ft6236_debug_read_byte(ft6236, FT6236_REG_FOCALTECH_ID)); + dev_dbg(dev, "Release code version 0x%02x\n", + ft6236_debug_read_byte(ft6236, FT6236_REG_RELEASE_CODE_ID)); +} + +static void ft6236_reset(struct ft6236_data *ft6236) +{ + if (!ft6236->reset_gpio) + return; + + gpiod_set_value_cansleep(ft6236->reset_gpio, 1); + usleep_range(5000, 20000); + gpiod_set_value_cansleep(ft6236->reset_gpio, 0); + msleep(300); +} + +static int ft6236_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct device *dev = &client->dev; + struct ft6236_data *ft6236; + struct input_dev *input; + u32 fuzz_x = 0, fuzz_y = 0; + u8 val; + int error; + + if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) + return -ENXIO; + + if (!client->irq) { + dev_err(dev, "irq is missing\n"); + return -EINVAL; + } + + ft6236 = devm_kzalloc(dev, sizeof(*ft6236), GFP_KERNEL); + if (!ft6236) + return -ENOMEM; + + ft6236->client = client; + ft6236->reset_gpio = devm_gpiod_get_optional(dev, "reset", + GPIOD_OUT_LOW); + if (IS_ERR(ft6236->reset_gpio)) { + error = PTR_ERR(ft6236->reset_gpio); + if (error != -EPROBE_DEFER) + dev_err(dev, "error getting reset gpio: %d\n", error); + return error; + } + + ft6236_reset(ft6236); + + /* verify that the controller is present */ + error = ft6236_read(client, 0x00, 1, &val); + if (error) { + dev_err(dev, "failed to read from controller: %d\n", error); + return error; + } + + ft6236_debug_info(ft6236); + + input = devm_input_allocate_device(dev); + if (!input) + return -ENOMEM; + + ft6236->input = input; + input->name = client->name; + input->id.bustype = BUS_I2C; + + if (device_property_read_u32(dev, "touchscreen-size-x", + &ft6236->max_x) || + device_property_read_u32(dev, "touchscreen-size-y", + &ft6236->max_y)) { + dev_err(dev, "touchscreen-size-x and/or -y missing\n"); + return -EINVAL; + } + + device_property_read_u32(dev, "touchscreen-fuzz-x", &fuzz_x); + device_property_read_u32(dev, "touchscreen-fuzz-y", &fuzz_y); + ft6236->invert_x = device_property_read_bool(dev, + "touchscreen-inverted-x"); + ft6236->invert_y = device_property_read_bool(dev, + "touchscreen-inverted-y"); + ft6236->swap_xy = device_property_read_bool(dev, + "touchscreen-swapped-x-y"); + + if (ft6236->swap_xy) { + input_set_abs_params(input, ABS_MT_POSITION_X, 0, + ft6236->max_y, fuzz_y, 0); + input_set_abs_params(input, ABS_MT_POSITION_Y, 0, + ft6236->max_x, fuzz_x, 0); + } else { + input_set_abs_params(input, ABS_MT_POSITION_X, 0, + ft6236->max_x, fuzz_x, 0); + input_set_abs_params(input, ABS_MT_POSITION_Y, 0, + ft6236->max_y, fuzz_y, 0); + } + + error = input_mt_init_slots(input, FT6236_MAX_TOUCH_POINTS, + INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED); + if (error) + return error; + + error = devm_request_threaded_irq(dev, client->irq, NULL, + ft6236_interrupt, IRQF_ONESHOT, + client->name, ft6236); + if (error) { + dev_err(dev, "request irq %d failed: %d\n", client->irq, error); + return error; + } + + error = input_register_device(input); + if (error) { + dev_err(dev, "failed to register input device: %d\n", error); + return error; + } + + return 0; +} + +#ifdef CONFIG_OF +static const struct of_device_id ft6236_of_match[] = { + { .compatible = "focaltech,ft6236", }, + { } +}; +MODULE_DEVICE_TABLE(of, ft6236_of_match); +#endif + +static const struct i2c_device_id ft6236_id[] = { + { "ft6236", }, + { } +}; +MODULE_DEVICE_TABLE(i2c, ft6236_id); + +static struct i2c_driver ft6236_driver = { + .driver = { + .name = "ft6236", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(ft6236_of_match), + }, + .probe = ft6236_probe, + .id_table = ft6236_id, +}; +module_i2c_driver(ft6236_driver); + +MODULE_AUTHOR("Sean Cross <[email protected]>"); +MODULE_AUTHOR("Noralf Trønnes <[email protected]>"); +MODULE_DESCRIPTION("FocalTech FT6236 TouchScreen driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/input/touchscreen/tps6507x-ts.c b/drivers/input/touchscreen/tps6507x-ts.c index 4ffd829d1990..a340bfccdfb6 100644 --- a/drivers/input/touchscreen/tps6507x-ts.c +++ b/drivers/input/touchscreen/tps6507x-ts.c @@ -50,14 +50,7 @@ struct tps6507x_ts { static int tps6507x_read_u8(struct tps6507x_ts *tsc, u8 reg, u8 *data) { - int err; - - err = tsc->mfd->read_dev(tsc->mfd, reg, 1, data); - - if (err) - return err; - - return 0; + return tsc->mfd->read_dev(tsc->mfd, reg, 1, data); } static int tps6507x_write_u8(struct tps6507x_ts *tsc, u8 reg, u8 data) diff --git a/drivers/input/touchscreen/zforce_ts.c b/drivers/input/touchscreen/zforce_ts.c index 781d0f83050a..9bbadaaf6bc3 100644 --- a/drivers/input/touchscreen/zforce_ts.c +++ b/drivers/input/touchscreen/zforce_ts.c @@ -599,13 +599,8 @@ static irqreturn_t zforce_irq_thread(int irq, void *dev_id) static int zforce_input_open(struct input_dev *dev) { struct zforce_ts *ts = input_get_drvdata(dev); - int ret; - ret = zforce_start(ts); - if (ret) - return ret; - - return 0; + return zforce_start(ts); } static void zforce_input_close(struct input_dev *dev) diff --git a/include/linux/input/edt-ft5x06.h b/include/linux/input/edt-ft5x06.h deleted file mode 100644 index 8a1e0d1a0124..000000000000 --- a/include/linux/input/edt-ft5x06.h +++ /dev/null @@ -1,24 +0,0 @@ -#ifndef _EDT_FT5X06_H -#define _EDT_FT5X06_H - -/* - * Copyright (c) 2012 Simon Budig, <[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. - */ - -struct edt_ft5x06_platform_data { - int irq_pin; - int reset_pin; - - /* startup defaults for operational parameters */ - bool use_parameters; - u8 gain; - u8 threshold; - u8 offset; - u8 report_rate; -}; - -#endif /* _EDT_FT5X06_H */ |