diff options
Diffstat (limited to 'kernel/drivers/input/misc')
42 files changed, 1316 insertions, 667 deletions
diff --git a/kernel/drivers/input/misc/Kconfig b/kernel/drivers/input/misc/Kconfig index 4436ab1b9..d6d16fa78 100644 --- a/kernel/drivers/input/misc/Kconfig +++ b/kernel/drivers/input/misc/Kconfig @@ -94,11 +94,11 @@ config INPUT_BMA150 module will be called bma150. config INPUT_E3X0_BUTTON - tristate "NI Ettus Research USRP E3x0 Button support." + tristate "NI Ettus Research USRP E3xx Button support." default n help Say Y here to enable support for the NI Ettus Research - USRP E3x0 Button. + USRP E3xx Button. To compile this driver as a module, choose M here: the module will be called e3x0_button. @@ -167,28 +167,16 @@ config INPUT_M68K_BEEP depends on M68K config INPUT_MAX77693_HAPTIC - tristate "MAXIM MAX77693 haptic controller support" - depends on MFD_MAX77693 && PWM + tristate "MAXIM MAX77693/MAX77843 haptic controller support" + depends on (MFD_MAX77693 || MFD_MAX77843) && PWM select INPUT_FF_MEMLESS help This option enables support for the haptic controller on - MAXIM MAX77693 chip. + MAXIM MAX77693 and MAX77843 chips. To compile this driver as module, choose M here: the module will be called max77693-haptic. -config INPUT_MAX77843_HAPTIC - tristate "MAXIM MAX77843 haptic controller support" - depends on MFD_MAX77843 && REGULATOR - select INPUT_FF_MEMLESS - help - This option enables support for the haptic controller on - MAXIM MAX77843 chip. The driver supports ff-memless interface - from input framework. - - To compile this driver as module, choose M here: the - module will be called max77843-haptic. - config INPUT_MAX8925_ONKEY tristate "MAX8925 ONKEY support" depends on MFD_MAX8925 @@ -259,7 +247,7 @@ config INPUT_APANEL config INPUT_GP2A tristate "Sharp GP2AP002A00F I2C Proximity/Opto sensor driver" depends on I2C - depends on GPIOLIB + depends on GPIOLIB || COMPILE_TEST help Say Y here if you have a Sharp GP2AP002A00F proximity/als combo-chip hooked to an I2C bus. @@ -269,7 +257,7 @@ config INPUT_GP2A config INPUT_GPIO_BEEPER tristate "Generic GPIO Beeper support" - depends on GPIOLIB + depends on GPIOLIB || COMPILE_TEST help Say Y here if you have a beeper connected to a GPIO pin. @@ -278,7 +266,7 @@ config INPUT_GPIO_BEEPER config INPUT_GPIO_TILT_POLLED tristate "Polled GPIO tilt switch" - depends on GPIOLIB + depends on GPIOLIB || COMPILE_TEST select INPUT_POLLDEV help This driver implements support for tilt switches connected @@ -569,7 +557,7 @@ config INPUT_PWM_BEEPER config INPUT_GPIO_ROTARY_ENCODER tristate "Rotary encoders connected to GPIO pins" - depends on GPIOLIB + depends on GPIOLIB || COMPILE_TEST help Say Y here to add support for rotary encoders connected to GPIO lines. Check file:Documentation/input/rotary-encoder.txt for more @@ -610,6 +598,16 @@ config INPUT_DA9055_ONKEY To compile this driver as a module, choose M here: the module will be called da9055_onkey. +config INPUT_DA9063_ONKEY + tristate "Dialog DA9062/63 OnKey" + depends on MFD_DA9063 || MFD_DA9062 + help + 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. + config INPUT_DM355EVM tristate "TI DaVinci DM355 EVM Keypad and IR Remote" depends on MFD_DM355EVM_MSP @@ -766,7 +764,8 @@ config INPUT_SOC_BUTTON_ARRAY config INPUT_DRV260X_HAPTICS tristate "TI DRV260X haptics support" - depends on INPUT && I2C && GPIOLIB + depends on INPUT && I2C + depends on GPIOLIB || COMPILE_TEST select INPUT_FF_MEMLESS select REGMAP_I2C help @@ -775,6 +774,17 @@ config INPUT_DRV260X_HAPTICS To compile this driver as a module, choose M here: the module will be called drv260x-haptics. +config INPUT_DRV2665_HAPTICS + tristate "TI DRV2665 haptics support" + depends on INPUT && I2C + select INPUT_FF_MEMLESS + select REGMAP_I2C + help + Say Y to enable support for the TI DRV2665 haptics driver. + + To compile this driver as a module, choose M here: the + module will be called drv2665-haptics. + config INPUT_DRV2667_HAPTICS tristate "TI DRV2667 haptics support" depends on INPUT && I2C @@ -784,6 +794,6 @@ config INPUT_DRV2667_HAPTICS Say Y to enable support for the TI DRV2667 haptics driver. To compile this driver as a module, choose M here: the - module will be called drv260x-haptics. + module will be called drv2667-haptics. endif diff --git a/kernel/drivers/input/misc/Makefile b/kernel/drivers/input/misc/Makefile index 78ba4c1b8..0357a088c 100644 --- a/kernel/drivers/input/misc/Makefile +++ b/kernel/drivers/input/misc/Makefile @@ -25,9 +25,11 @@ obj-$(CONFIG_INPUT_CMA3000_I2C) += cma3000_d0x_i2c.o obj-$(CONFIG_INPUT_COBALT_BTNS) += cobalt_btns.o obj-$(CONFIG_INPUT_DA9052_ONKEY) += da9052_onkey.o obj-$(CONFIG_INPUT_DA9055_ONKEY) += da9055_onkey.o +obj-$(CONFIG_INPUT_DA9063_ONKEY) += da9063_onkey.o obj-$(CONFIG_INPUT_DM355EVM) += dm355evm_keys.o obj-$(CONFIG_INPUT_E3X0_BUTTON) += e3x0-button.o obj-$(CONFIG_INPUT_DRV260X_HAPTICS) += drv260x.o +obj-$(CONFIG_INPUT_DRV2665_HAPTICS) += drv2665.o obj-$(CONFIG_INPUT_DRV2667_HAPTICS) += drv2667.o obj-$(CONFIG_INPUT_GP2A) += gp2ap002a00f.o obj-$(CONFIG_INPUT_GPIO_BEEPER) += gpio-beeper.o @@ -39,7 +41,6 @@ obj-$(CONFIG_INPUT_KEYSPAN_REMOTE) += keyspan_remote.o obj-$(CONFIG_INPUT_KXTJ9) += kxtj9.o obj-$(CONFIG_INPUT_M68K_BEEP) += m68kspkr.o obj-$(CONFIG_INPUT_MAX77693_HAPTIC) += max77693-haptic.o -obj-$(CONFIG_INPUT_MAX77843_HAPTIC) += max77843-haptic.o obj-$(CONFIG_INPUT_MAX8925_ONKEY) += max8925_onkey.o obj-$(CONFIG_INPUT_MAX8997_HAPTIC) += max8997_haptic.o obj-$(CONFIG_INPUT_MC13783_PWRBUTTON) += mc13783-pwrbutton.o diff --git a/kernel/drivers/input/misc/ab8500-ponkey.c b/kernel/drivers/input/misc/ab8500-ponkey.c index 1f7e15ca5..4f5ef5bb5 100644 --- a/kernel/drivers/input/misc/ab8500-ponkey.c +++ b/kernel/drivers/input/misc/ab8500-ponkey.c @@ -118,6 +118,7 @@ static const struct of_device_id ab8500_ponkey_match[] = { { .compatible = "stericsson,ab8500-ponkey", }, {} }; +MODULE_DEVICE_TABLE(of, ab8500_ponkey_match); #endif static struct platform_driver ab8500_ponkey_driver = { diff --git a/kernel/drivers/input/misc/ad714x-i2c.c b/kernel/drivers/input/misc/ad714x-i2c.c index 189bdc8e9..2f047738b 100644 --- a/kernel/drivers/input/misc/ad714x-i2c.c +++ b/kernel/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/kernel/drivers/input/misc/ad714x-spi.c b/kernel/drivers/input/misc/ad714x-spi.c index a79e50b58..aac910326 100644 --- a/kernel/drivers/input/misc/ad714x-spi.c +++ b/kernel/drivers/input/misc/ad714x-spi.c @@ -101,23 +101,12 @@ 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", - .owner = THIS_MODULE, .pm = &ad714x_spi_pm, }, .probe = ad714x_spi_probe, - .remove = ad714x_spi_remove, }; module_spi_driver(ad714x_spi_driver); diff --git a/kernel/drivers/input/misc/ad714x.c b/kernel/drivers/input/misc/ad714x.c index 7a61e9ee6..84b51dd51 100644 --- a/kernel/drivers/input/misc/ad714x.c +++ b/kernel/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/kernel/drivers/input/misc/ad714x.h b/kernel/drivers/input/misc/ad714x.h index 3c85455aa..5d65d303b 100644 --- a/kernel/drivers/input/misc/ad714x.h +++ b/kernel/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/kernel/drivers/input/misc/adxl34x-i2c.c b/kernel/drivers/input/misc/adxl34x-i2c.c index 470bfd6f0..a8b0a2eec 100644 --- a/kernel/drivers/input/misc/adxl34x-i2c.c +++ b/kernel/drivers/input/misc/adxl34x-i2c.c @@ -10,6 +10,7 @@ #include <linux/input.h> /* BUS_I2C */ #include <linux/i2c.h> #include <linux/module.h> +#include <linux/of.h> #include <linux/types.h> #include <linux/pm.h> #include "adxl34x.h" @@ -135,11 +136,30 @@ static const struct i2c_device_id adxl34x_id[] = { MODULE_DEVICE_TABLE(i2c, adxl34x_id); +#ifdef CONFIG_OF +static const struct of_device_id adxl34x_of_id[] = { + /* + * The ADXL346 is backward-compatible with the ADXL345. Differences are + * handled by runtime detection of the device model, there's thus no + * need for listing the "adi,adxl346" compatible value explicitly. + */ + { .compatible = "adi,adxl345", }, + /* + * Deprecated, DT nodes should use one or more of the device-specific + * compatible values "adi,adxl345" and "adi,adxl346". + */ + { .compatible = "adi,adxl34x", }, + { } +}; + +MODULE_DEVICE_TABLE(of, adxl34x_of_id); +#endif + static struct i2c_driver adxl34x_driver = { .driver = { .name = "adxl34x", - .owner = THIS_MODULE, .pm = &adxl34x_i2c_pm, + .of_match_table = of_match_ptr(adxl34x_of_id), }, .probe = adxl34x_i2c_probe, .remove = adxl34x_i2c_remove, diff --git a/kernel/drivers/input/misc/adxl34x-spi.c b/kernel/drivers/input/misc/adxl34x-spi.c index da6e76b58..3ec03ad88 100644 --- a/kernel/drivers/input/misc/adxl34x-spi.c +++ b/kernel/drivers/input/misc/adxl34x-spi.c @@ -120,7 +120,6 @@ static SIMPLE_DEV_PM_OPS(adxl34x_spi_pm, adxl34x_spi_suspend, static struct spi_driver adxl34x_driver = { .driver = { .name = "adxl34x", - .owner = THIS_MODULE, .pm = &adxl34x_spi_pm, }, .probe = adxl34x_spi_probe, diff --git a/kernel/drivers/input/misc/arizona-haptics.c b/kernel/drivers/input/misc/arizona-haptics.c index 4dbbed74c..d5994a745 100644 --- a/kernel/drivers/input/misc/arizona-haptics.c +++ b/kernel/drivers/input/misc/arizona-haptics.c @@ -97,8 +97,7 @@ static void arizona_haptics_work(struct work_struct *work) ret = regmap_update_bits(arizona->regmap, ARIZONA_HAPTICS_CONTROL_1, - ARIZONA_HAP_CTRL_MASK, - 1 << ARIZONA_HAP_CTRL_SHIFT); + ARIZONA_HAP_CTRL_MASK, 0); if (ret != 0) { dev_err(arizona->dev, "Failed to stop haptics: %d\n", ret); @@ -170,8 +169,8 @@ static int arizona_haptics_probe(struct platform_device *pdev) INIT_WORK(&haptics->work, arizona_haptics_work); - haptics->input_dev = input_allocate_device(); - if (haptics->input_dev == NULL) { + haptics->input_dev = devm_input_allocate_device(&pdev->dev); + if (!haptics->input_dev) { dev_err(arizona->dev, "Failed to allocate input device\n"); return -ENOMEM; } @@ -188,41 +187,23 @@ static int arizona_haptics_probe(struct platform_device *pdev) if (ret < 0) { dev_err(arizona->dev, "input_ff_create_memless() failed: %d\n", ret); - goto err_ialloc; + return ret; } ret = input_register_device(haptics->input_dev); if (ret < 0) { dev_err(arizona->dev, "couldn't register input device: %d\n", ret); - goto err_iff; + return ret; } platform_set_drvdata(pdev, haptics); return 0; - -err_iff: - if (haptics->input_dev) - input_ff_destroy(haptics->input_dev); -err_ialloc: - input_free_device(haptics->input_dev); - - return ret; -} - -static int arizona_haptics_remove(struct platform_device *pdev) -{ - struct arizona_haptics *haptics = platform_get_drvdata(pdev); - - input_unregister_device(haptics->input_dev); - - return 0; } static struct platform_driver arizona_haptics_driver = { .probe = arizona_haptics_probe, - .remove = arizona_haptics_remove, .driver = { .name = "arizona-haptics", }, diff --git a/kernel/drivers/input/misc/ati_remote2.c b/kernel/drivers/input/misc/ati_remote2.c index f63341f20..cfd58e87d 100644 --- a/kernel/drivers/input/misc/ati_remote2.c +++ b/kernel/drivers/input/misc/ati_remote2.c @@ -94,7 +94,7 @@ static int ati_remote2_get_mode_mask(char *buffer, static unsigned int channel_mask = ATI_REMOTE2_MAX_CHANNEL_MASK; #define param_check_channel_mask(name, p) __param_check(name, p, unsigned int) -static struct kernel_param_ops param_ops_channel_mask = { +static const struct kernel_param_ops param_ops_channel_mask = { .set = ati_remote2_set_channel_mask, .get = ati_remote2_get_channel_mask, }; @@ -103,7 +103,7 @@ MODULE_PARM_DESC(channel_mask, "Bitmask of channels to accept <15:Channel16>...< static unsigned int mode_mask = ATI_REMOTE2_MAX_MODE_MASK; #define param_check_mode_mask(name, p) __param_check(name, p, unsigned int) -static struct kernel_param_ops param_ops_mode_mask = { +static const struct kernel_param_ops param_ops_mode_mask = { .set = ati_remote2_set_mode_mask, .get = ati_remote2_get_mode_mask, }; diff --git a/kernel/drivers/input/misc/axp20x-pek.c b/kernel/drivers/input/misc/axp20x-pek.c index f1c844739..1ac898db3 100644 --- a/kernel/drivers/input/misc/axp20x-pek.c +++ b/kernel/drivers/input/misc/axp20x-pek.c @@ -167,9 +167,13 @@ static irqreturn_t axp20x_pek_irq(int irq, void *pwr) struct input_dev *idev = pwr; struct axp20x_pek *axp20x_pek = input_get_drvdata(idev); - if (irq == axp20x_pek->irq_dbr) + /* + * The power-button is connected to ground so a falling edge (dbf) + * means it is pressed. + */ + if (irq == axp20x_pek->irq_dbf) input_report_key(idev, KEY_POWER, true); - else if (irq == axp20x_pek->irq_dbf) + else if (irq == axp20x_pek->irq_dbr) input_report_key(idev, KEY_POWER, false); input_sync(idev); @@ -288,3 +292,4 @@ module_platform_driver(axp20x_pek_driver); MODULE_DESCRIPTION("axp20x Power Button"); MODULE_AUTHOR("Carlo Caione <carlo@caione.org>"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:axp20x-pek"); diff --git a/kernel/drivers/input/misc/bma150.c b/kernel/drivers/input/misc/bma150.c index b36831c82..1d0e61d7c 100644 --- a/kernel/drivers/input/misc/bma150.c +++ b/kernel/drivers/input/misc/bma150.c @@ -333,10 +333,9 @@ static void bma150_report_xyz(struct bma150_data *bma150) y = ((0xc0 & data[2]) >> 6) | (data[3] << 2); z = ((0xc0 & data[4]) >> 6) | (data[5] << 2); - /* sign extension */ - x = (s16) (x << 6) >> 6; - y = (s16) (y << 6) >> 6; - z = (s16) (z << 6) >> 6; + x = sign_extend32(x, 9); + y = sign_extend32(y, 9); + z = sign_extend32(z, 9); input_report_abs(bma150->input, ABS_X, x); input_report_abs(bma150->input, ABS_Y, y); @@ -654,7 +653,6 @@ MODULE_DEVICE_TABLE(i2c, bma150_id); static struct i2c_driver bma150_driver = { .driver = { - .owner = THIS_MODULE, .name = BMA150_DRIVER, .pm = &bma150_pm, }, diff --git a/kernel/drivers/input/misc/cma3000_d0x_i2c.c b/kernel/drivers/input/misc/cma3000_d0x_i2c.c index 4fdef98ce..c7021916b 100644 --- a/kernel/drivers/input/misc/cma3000_d0x_i2c.c +++ b/kernel/drivers/input/misc/cma3000_d0x_i2c.c @@ -118,7 +118,6 @@ static struct i2c_driver cma3000_i2c_driver = { .id_table = cma3000_i2c_id, .driver = { .name = "cma3000_i2c_accl", - .owner = THIS_MODULE, #ifdef CONFIG_PM .pm = &cma3000_i2c_pm_ops, #endif diff --git a/kernel/drivers/input/misc/da9063_onkey.c b/kernel/drivers/input/misc/da9063_onkey.c new file mode 100644 index 000000000..8eb697db8 --- /dev/null +++ b/kernel/drivers/input/misc/da9063_onkey.c @@ -0,0 +1,305 @@ +/* + * 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 + * 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. + * + * 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/errno.h> +#include <linux/input.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/workqueue.h> +#include <linux/regmap.h> +#include <linux/of.h> +#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 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); + 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->regmap, + config->onkey_status, + &val); + if (error) { + dev_err(onkey->dev, + "Failed to read ON status: %d\n", error); + goto err_poll; + } + + 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); + goto err_poll; + } + + input_report_key(onkey->input, KEY_POWER, 0); + input_sync(onkey->input); + + poll = false; + } + + /* + * If the fault log KEY_RESET is detected, then clear it + * and shut down the system. + */ + 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 & 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", + error); + } else { + /* at this point we do any S/W housekeeping + * and then send shutdown command + */ + dev_dbg(&onkey->input->dev, + "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", + error); + } + } + +err_poll: + if (poll) + schedule_delayed_work(&onkey->work, msecs_to_jiffies(50)); +} + +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->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); + dev_dbg(onkey->dev, "KEY_POWER pressed.\n"); + } else { + input_report_key(onkey->input, KEY_SLEEP, 1); + input_sync(onkey->input); + input_report_key(onkey->input, KEY_SLEEP, 0); + input_sync(onkey->input); + dev_dbg(onkey->dev, "KEY_SLEEP pressed.\n"); + } + + return IRQ_HANDLED; +} + +static void da9063_cancel_poll(void *data) +{ + struct da9063_onkey *onkey = data; + + cancel_delayed_work_sync(&onkey->work); +} + +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) { + dev_err(&pdev->dev, "Failed to allocate memory.\n"); + return -ENOMEM; + } + + onkey->config = match->data; + onkey->dev = &pdev->dev; + + 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; + else + onkey->key_power = + !of_property_read_bool(pdev->dev.of_node, + "dlg,disable-key-power"); + + onkey->input = devm_input_allocate_device(&pdev->dev); + if (!onkey->input) { + dev_err(&pdev->dev, "Failed to allocated input device.\n"); + return -ENOMEM; + } + + 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) + input_set_capability(onkey->input, EV_KEY, KEY_POWER); + + input_set_capability(onkey->input, EV_KEY, KEY_SLEEP); + + INIT_DELAYED_WORK(&onkey->work, da9063_poll_on); + + error = devm_add_action(&pdev->dev, da9063_cancel_poll, onkey); + if (error) { + dev_err(&pdev->dev, + "Failed to add cancel poll action: %d\n", + error); + return error; + } + + irq = platform_get_irq_byname(pdev, "ONKEY"); + if (irq < 0) { + error = irq; + dev_err(&pdev->dev, "Failed to get platform IRQ: %d\n", error); + return error; + } + + error = devm_request_threaded_irq(&pdev->dev, irq, + NULL, da9063_onkey_irq_handler, + IRQF_TRIGGER_LOW | IRQF_ONESHOT, + "ONKEY", onkey); + if (error) { + dev_err(&pdev->dev, + "Failed to request IRQ %d: %d\n", irq, error); + return error; + } + + error = input_register_device(onkey->input); + if (error) { + dev_err(&pdev->dev, + "Failed to register input device: %d\n", error); + return error; + } + + platform_set_drvdata(pdev, onkey); + return 0; +} + +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 <stwiss.opensource@diasemi.com>"); +MODULE_DESCRIPTION("Onkey device driver for Dialog DA9063 and DA9062"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:" DA9063_DRVNAME_ONKEY); diff --git a/kernel/drivers/input/misc/drv260x.c b/kernel/drivers/input/misc/drv260x.c index 599578042..2adfd86c8 100644 --- a/kernel/drivers/input/misc/drv260x.c +++ b/kernel/drivers/input/misc/drv260x.c @@ -204,7 +204,7 @@ struct drv260x_data { int overdrive_voltage; }; -static struct reg_default drv260x_reg_defs[] = { +static const struct reg_default drv260x_reg_defs[] = { { DRV260X_STATUS, 0xe0 }, { DRV260X_MODE, 0x40 }, { DRV260X_RT_PB_IN, 0x00 }, @@ -313,14 +313,14 @@ static void drv260x_close(struct input_dev *input) gpiod_set_value(haptics->enable_gpio, 0); } -static const struct reg_default drv260x_lra_cal_regs[] = { +static const struct reg_sequence drv260x_lra_cal_regs[] = { { DRV260X_MODE, DRV260X_AUTO_CAL }, { DRV260X_CTRL3, DRV260X_NG_THRESH_2 }, { DRV260X_FEEDBACK_CTRL, DRV260X_FB_REG_LRA_MODE | DRV260X_BRAKE_FACTOR_4X | DRV260X_LOOP_GAIN_HIGH }, }; -static const struct reg_default drv260x_lra_init_regs[] = { +static const struct reg_sequence drv260x_lra_init_regs[] = { { DRV260X_MODE, DRV260X_RT_PLAYBACK }, { DRV260X_A_TO_V_CTRL, DRV260X_AUDIO_HAPTICS_PEAK_20MS | DRV260X_AUDIO_HAPTICS_FILTER_125HZ }, @@ -337,7 +337,7 @@ static const struct reg_default drv260x_lra_init_regs[] = { { DRV260X_CTRL4, DRV260X_AUTOCAL_TIME_500MS }, }; -static const struct reg_default drv260x_erm_cal_regs[] = { +static const struct reg_sequence drv260x_erm_cal_regs[] = { { DRV260X_MODE, DRV260X_AUTO_CAL }, { DRV260X_A_TO_V_MIN_INPUT, DRV260X_AUDIO_HAPTICS_MIN_IN_VOLT }, { DRV260X_A_TO_V_MAX_INPUT, DRV260X_AUDIO_HAPTICS_MAX_IN_VOLT }, @@ -580,15 +580,10 @@ static int drv260x_probe(struct i2c_client *client, return error; } - haptics->enable_gpio = devm_gpiod_get(&client->dev, "enable"); - if (IS_ERR(haptics->enable_gpio)) { - error = PTR_ERR(haptics->enable_gpio); - if (error != -ENOENT && error != -ENOSYS) - return error; - haptics->enable_gpio = NULL; - } else { - gpiod_direction_output(haptics->enable_gpio, 1); - } + haptics->enable_gpio = devm_gpiod_get_optional(&client->dev, "enable", + GPIOD_OUT_HIGH); + if (IS_ERR(haptics->enable_gpio)) + return PTR_ERR(haptics->enable_gpio); haptics->input_dev = devm_input_allocate_device(&client->dev); if (!haptics->input_dev) { @@ -725,7 +720,6 @@ static struct i2c_driver drv260x_driver = { .probe = drv260x_probe, .driver = { .name = "drv260x-haptics", - .owner = THIS_MODULE, .of_match_table = of_match_ptr(drv260x_of_match), .pm = &drv260x_pm_ops, }, diff --git a/kernel/drivers/input/misc/drv2665.c b/kernel/drivers/input/misc/drv2665.c new file mode 100644 index 000000000..ef9bc12b3 --- /dev/null +++ b/kernel/drivers/input/misc/drv2665.c @@ -0,0 +1,321 @@ +/* + * DRV2665 haptics driver family + * + * Author: Dan Murphy <dmurphy@ti.com> + * + * Copyright: (C) 2015 Texas Instruments, Inc. + * + * 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. + * + * 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/i2c.h> +#include <linux/input.h> +#include <linux/module.h> +#include <linux/regmap.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/regulator/consumer.h> + +/* Contol registers */ +#define DRV2665_STATUS 0x00 +#define DRV2665_CTRL_1 0x01 +#define DRV2665_CTRL_2 0x02 +#define DRV2665_FIFO 0x0b + +/* Status Register */ +#define DRV2665_FIFO_FULL BIT(0) +#define DRV2665_FIFO_EMPTY BIT(1) + +/* Control 1 Register */ +#define DRV2665_25_VPP_GAIN 0x00 +#define DRV2665_50_VPP_GAIN 0x01 +#define DRV2665_75_VPP_GAIN 0x02 +#define DRV2665_100_VPP_GAIN 0x03 +#define DRV2665_DIGITAL_IN 0xfc +#define DRV2665_ANALOG_IN BIT(2) + +/* Control 2 Register */ +#define DRV2665_BOOST_EN BIT(1) +#define DRV2665_STANDBY BIT(6) +#define DRV2665_DEV_RST BIT(7) +#define DRV2665_5_MS_IDLE_TOUT 0x00 +#define DRV2665_10_MS_IDLE_TOUT 0x04 +#define DRV2665_15_MS_IDLE_TOUT 0x08 +#define DRV2665_20_MS_IDLE_TOUT 0x0c + +/** + * struct drv2665_data - + * @input_dev - Pointer to the input device + * @client - Pointer to the I2C client + * @regmap - Register map of the device + * @work - Work item used to off load the enable/disable of the vibration + * @regulator - Pointer to the regulator for the IC + */ +struct drv2665_data { + struct input_dev *input_dev; + struct i2c_client *client; + struct regmap *regmap; + struct work_struct work; + struct regulator *regulator; +}; + +/* 8kHz Sine wave to stream to the FIFO */ +static const u8 drv2665_sine_wave_form[] = { + 0x00, 0x10, 0x20, 0x2e, 0x3c, 0x48, 0x53, 0x5b, 0x61, 0x65, 0x66, + 0x65, 0x61, 0x5b, 0x53, 0x48, 0x3c, 0x2e, 0x20, 0x10, + 0x00, 0xf0, 0xe0, 0xd2, 0xc4, 0xb8, 0xad, 0xa5, 0x9f, 0x9b, 0x9a, + 0x9b, 0x9f, 0xa5, 0xad, 0xb8, 0xc4, 0xd2, 0xe0, 0xf0, 0x00, +}; + +static const struct reg_default drv2665_reg_defs[] = { + { DRV2665_STATUS, 0x02 }, + { DRV2665_CTRL_1, 0x28 }, + { DRV2665_CTRL_2, 0x40 }, + { DRV2665_FIFO, 0x00 }, +}; + +static void drv2665_worker(struct work_struct *work) +{ + struct drv2665_data *haptics = + container_of(work, struct drv2665_data, work); + unsigned int read_buf; + int error; + + error = regmap_read(haptics->regmap, DRV2665_STATUS, &read_buf); + if (error) { + dev_err(&haptics->client->dev, + "Failed to read status: %d\n", error); + return; + } + + if (read_buf & DRV2665_FIFO_EMPTY) { + error = regmap_bulk_write(haptics->regmap, + DRV2665_FIFO, + drv2665_sine_wave_form, + ARRAY_SIZE(drv2665_sine_wave_form)); + if (error) { + dev_err(&haptics->client->dev, + "Failed to write FIFO: %d\n", error); + return; + } + } +} + +static int drv2665_haptics_play(struct input_dev *input, void *data, + struct ff_effect *effect) +{ + struct drv2665_data *haptics = input_get_drvdata(input); + + schedule_work(&haptics->work); + + return 0; +} + +static void drv2665_close(struct input_dev *input) +{ + struct drv2665_data *haptics = input_get_drvdata(input); + int error; + + cancel_work_sync(&haptics->work); + + error = regmap_update_bits(haptics->regmap, + DRV2665_CTRL_2, DRV2665_STANDBY, 1); + if (error) + dev_err(&haptics->client->dev, + "Failed to enter standby mode: %d\n", error); +} + +static const struct reg_sequence drv2665_init_regs[] = { + { DRV2665_CTRL_2, 0 | DRV2665_10_MS_IDLE_TOUT }, + { DRV2665_CTRL_1, DRV2665_25_VPP_GAIN }, +}; + +static int drv2665_init(struct drv2665_data *haptics) +{ + int error; + + error = regmap_register_patch(haptics->regmap, + drv2665_init_regs, + ARRAY_SIZE(drv2665_init_regs)); + if (error) { + dev_err(&haptics->client->dev, + "Failed to write init registers: %d\n", + error); + return error; + } + + return 0; +} + +static const struct regmap_config drv2665_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + + .max_register = DRV2665_FIFO, + .reg_defaults = drv2665_reg_defs, + .num_reg_defaults = ARRAY_SIZE(drv2665_reg_defs), + .cache_type = REGCACHE_NONE, +}; + +static int drv2665_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct drv2665_data *haptics; + int error; + + haptics = devm_kzalloc(&client->dev, sizeof(*haptics), GFP_KERNEL); + if (!haptics) + return -ENOMEM; + + haptics->regulator = devm_regulator_get(&client->dev, "vbat"); + if (IS_ERR(haptics->regulator)) { + error = PTR_ERR(haptics->regulator); + dev_err(&client->dev, + "unable to get regulator, error: %d\n", error); + return error; + } + + haptics->input_dev = devm_input_allocate_device(&client->dev); + if (!haptics->input_dev) { + dev_err(&client->dev, "Failed to allocate input device\n"); + return -ENOMEM; + } + + haptics->input_dev->name = "drv2665:haptics"; + haptics->input_dev->dev.parent = client->dev.parent; + haptics->input_dev->close = drv2665_close; + input_set_drvdata(haptics->input_dev, haptics); + input_set_capability(haptics->input_dev, EV_FF, FF_RUMBLE); + + error = input_ff_create_memless(haptics->input_dev, NULL, + drv2665_haptics_play); + if (error) { + dev_err(&client->dev, "input_ff_create() failed: %d\n", + error); + return error; + } + + INIT_WORK(&haptics->work, drv2665_worker); + + haptics->client = client; + i2c_set_clientdata(client, haptics); + + haptics->regmap = devm_regmap_init_i2c(client, &drv2665_regmap_config); + if (IS_ERR(haptics->regmap)) { + error = PTR_ERR(haptics->regmap); + dev_err(&client->dev, "Failed to allocate register map: %d\n", + error); + return error; + } + + error = drv2665_init(haptics); + if (error) { + dev_err(&client->dev, "Device init failed: %d\n", error); + return error; + } + + error = input_register_device(haptics->input_dev); + if (error) { + dev_err(&client->dev, "couldn't register input device: %d\n", + error); + return error; + } + + return 0; +} + +static int __maybe_unused drv2665_suspend(struct device *dev) +{ + struct drv2665_data *haptics = dev_get_drvdata(dev); + int ret = 0; + + mutex_lock(&haptics->input_dev->mutex); + + if (haptics->input_dev->users) { + ret = regmap_update_bits(haptics->regmap, DRV2665_CTRL_2, + DRV2665_STANDBY, 1); + if (ret) { + dev_err(dev, "Failed to set standby mode\n"); + regulator_disable(haptics->regulator); + goto out; + } + + ret = regulator_disable(haptics->regulator); + if (ret) { + dev_err(dev, "Failed to disable regulator\n"); + regmap_update_bits(haptics->regmap, + DRV2665_CTRL_2, + DRV2665_STANDBY, 0); + } + } +out: + mutex_unlock(&haptics->input_dev->mutex); + return ret; +} + +static int __maybe_unused drv2665_resume(struct device *dev) +{ + struct drv2665_data *haptics = dev_get_drvdata(dev); + int ret = 0; + + mutex_lock(&haptics->input_dev->mutex); + + if (haptics->input_dev->users) { + ret = regulator_enable(haptics->regulator); + if (ret) { + dev_err(dev, "Failed to enable regulator\n"); + goto out; + } + + ret = regmap_update_bits(haptics->regmap, DRV2665_CTRL_2, + DRV2665_STANDBY, 0); + if (ret) { + dev_err(dev, "Failed to unset standby mode\n"); + regulator_disable(haptics->regulator); + goto out; + } + + } + +out: + mutex_unlock(&haptics->input_dev->mutex); + return ret; +} + +static SIMPLE_DEV_PM_OPS(drv2665_pm_ops, drv2665_suspend, drv2665_resume); + +static const struct i2c_device_id drv2665_id[] = { + { "drv2665", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, drv2665_id); + +#ifdef CONFIG_OF +static const struct of_device_id drv2665_of_match[] = { + { .compatible = "ti,drv2665", }, + { } +}; +MODULE_DEVICE_TABLE(of, drv2665_of_match); +#endif + +static struct i2c_driver drv2665_driver = { + .probe = drv2665_probe, + .driver = { + .name = "drv2665-haptics", + .of_match_table = of_match_ptr(drv2665_of_match), + .pm = &drv2665_pm_ops, + }, + .id_table = drv2665_id, +}; +module_i2c_driver(drv2665_driver); + +MODULE_DESCRIPTION("TI DRV2665 haptics driver"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Dan Murphy <dmurphy@ti.com>"); diff --git a/kernel/drivers/input/misc/drv2667.c b/kernel/drivers/input/misc/drv2667.c index fc0fddf08..d5ba74813 100644 --- a/kernel/drivers/input/misc/drv2667.c +++ b/kernel/drivers/input/misc/drv2667.c @@ -116,7 +116,7 @@ struct drv2667_data { u32 frequency; }; -static struct reg_default drv2667_reg_defs[] = { +static const struct reg_default drv2667_reg_defs[] = { { DRV2667_STATUS, 0x02 }, { DRV2667_CTRL_1, 0x28 }, { DRV2667_CTRL_2, 0x40 }, @@ -262,14 +262,14 @@ static void drv2667_close(struct input_dev *input) "Failed to enter standby mode: %d\n", error); } -static const struct reg_default drv2667_init_regs[] = { +static const struct reg_sequence drv2667_init_regs[] = { { DRV2667_CTRL_2, 0 }, { DRV2667_CTRL_1, DRV2667_25_VPP_GAIN }, { DRV2667_WV_SEQ_0, 1 }, { DRV2667_WV_SEQ_1, 0 } }; -static const struct reg_default drv2667_page1_init[] = { +static const struct reg_sequence drv2667_page1_init[] = { { DRV2667_RAM_HDR_SZ, 0x05 }, { DRV2667_RAM_START_HI, 0x80 }, { DRV2667_RAM_START_LO, 0x06 }, @@ -484,7 +484,6 @@ static struct i2c_driver drv2667_driver = { .probe = drv2667_probe, .driver = { .name = "drv2667-haptics", - .owner = THIS_MODULE, .of_match_table = of_match_ptr(drv2667_of_match), .pm = &drv2667_pm_ops, }, diff --git a/kernel/drivers/input/misc/gp2ap002a00f.c b/kernel/drivers/input/misc/gp2ap002a00f.c index 0ac176d66..3bfdfcc20 100644 --- a/kernel/drivers/input/misc/gp2ap002a00f.c +++ b/kernel/drivers/input/misc/gp2ap002a00f.c @@ -267,11 +267,11 @@ static const struct i2c_device_id gp2a_i2c_id[] = { { GP2A_I2C_NAME, 0 }, { } }; +MODULE_DEVICE_TABLE(i2c, gp2a_i2c_id); static struct i2c_driver gp2a_i2c_driver = { .driver = { .name = GP2A_I2C_NAME, - .owner = THIS_MODULE, .pm = &gp2a_pm, }, .probe = gp2a_probe, diff --git a/kernel/drivers/input/misc/gpio-beeper.c b/kernel/drivers/input/misc/gpio-beeper.c index 4817c5f0c..16272fffe 100644 --- a/kernel/drivers/input/misc/gpio-beeper.c +++ b/kernel/drivers/input/misc/gpio-beeper.c @@ -66,13 +66,12 @@ static int gpio_beeper_probe(struct platform_device *pdev) { struct gpio_beeper *beep; struct input_dev *input; - int err; beep = devm_kzalloc(&pdev->dev, sizeof(*beep), GFP_KERNEL); if (!beep) return -ENOMEM; - beep->desc = devm_gpiod_get(&pdev->dev, NULL); + beep->desc = devm_gpiod_get(&pdev->dev, NULL, GPIOD_OUT_LOW); if (IS_ERR(beep->desc)) return PTR_ERR(beep->desc); @@ -92,10 +91,6 @@ static int gpio_beeper_probe(struct platform_device *pdev) input_set_capability(input, EV_SND, SND_BELL); - err = gpiod_direction_output(beep->desc, 0); - if (err) - return err; - input_set_drvdata(input, beep); return input_register_device(input); diff --git a/kernel/drivers/input/misc/hp_sdc_rtc.c b/kernel/drivers/input/misc/hp_sdc_rtc.c index 45e0e3e55..1c8c56efc 100644 --- a/kernel/drivers/input/misc/hp_sdc_rtc.c +++ b/kernel/drivers/input/misc/hp_sdc_rtc.c @@ -198,7 +198,7 @@ static int64_t hp_sdc_rtc_read_i8042timer (uint8_t loadcmd, int numreg) /* Read the i8042 real-time clock */ -static inline int hp_sdc_rtc_read_rt(struct timeval *res) { +static inline int hp_sdc_rtc_read_rt(struct timespec64 *res) { int64_t raw; uint32_t tenms; unsigned int days; @@ -209,15 +209,15 @@ static inline int hp_sdc_rtc_read_rt(struct timeval *res) { tenms = (uint32_t)raw & 0xffffff; days = (unsigned int)(raw >> 24) & 0xffff; - res->tv_usec = (suseconds_t)(tenms % 100) * 10000; - res->tv_sec = (time_t)(tenms / 100) + days * 86400; + res->tv_nsec = (long)(tenms % 100) * 10000 * 1000; + res->tv_sec = (tenms / 100) + (time64_t)days * 86400; return 0; } /* Read the i8042 fast handshake timer */ -static inline int hp_sdc_rtc_read_fhs(struct timeval *res) { +static inline int hp_sdc_rtc_read_fhs(struct timespec64 *res) { int64_t raw; unsigned int tenms; @@ -226,15 +226,15 @@ static inline int hp_sdc_rtc_read_fhs(struct timeval *res) { tenms = (unsigned int)raw & 0xffff; - res->tv_usec = (suseconds_t)(tenms % 100) * 10000; - res->tv_sec = (time_t)(tenms / 100); + res->tv_nsec = (long)(tenms % 100) * 10000 * 1000; + res->tv_sec = (time64_t)(tenms / 100); return 0; } /* Read the i8042 match timer (a.k.a. alarm) */ -static inline int hp_sdc_rtc_read_mt(struct timeval *res) { +static inline int hp_sdc_rtc_read_mt(struct timespec64 *res) { int64_t raw; uint32_t tenms; @@ -243,15 +243,15 @@ static inline int hp_sdc_rtc_read_mt(struct timeval *res) { tenms = (uint32_t)raw & 0xffffff; - res->tv_usec = (suseconds_t)(tenms % 100) * 10000; - res->tv_sec = (time_t)(tenms / 100); + res->tv_nsec = (long)(tenms % 100) * 10000 * 1000; + res->tv_sec = (time64_t)(tenms / 100); return 0; } /* Read the i8042 delay timer */ -static inline int hp_sdc_rtc_read_dt(struct timeval *res) { +static inline int hp_sdc_rtc_read_dt(struct timespec64 *res) { int64_t raw; uint32_t tenms; @@ -260,15 +260,15 @@ static inline int hp_sdc_rtc_read_dt(struct timeval *res) { tenms = (uint32_t)raw & 0xffffff; - res->tv_usec = (suseconds_t)(tenms % 100) * 10000; - res->tv_sec = (time_t)(tenms / 100); + res->tv_nsec = (long)(tenms % 100) * 10000 * 1000; + res->tv_sec = (time64_t)(tenms / 100); return 0; } /* Read the i8042 cycle timer (a.k.a. periodic) */ -static inline int hp_sdc_rtc_read_ct(struct timeval *res) { +static inline int hp_sdc_rtc_read_ct(struct timespec64 *res) { int64_t raw; uint32_t tenms; @@ -277,8 +277,8 @@ static inline int hp_sdc_rtc_read_ct(struct timeval *res) { tenms = (uint32_t)raw & 0xffffff; - res->tv_usec = (suseconds_t)(tenms % 100) * 10000; - res->tv_sec = (time_t)(tenms / 100); + res->tv_nsec = (long)(tenms % 100) * 10000 * 1000; + res->tv_sec = (time64_t)(tenms / 100); return 0; } @@ -433,7 +433,7 @@ static int hp_sdc_rtc_proc_show(struct seq_file *m, void *v) #define YN(bit) ("no") #define NY(bit) ("yes") struct rtc_time tm; - struct timeval tv; + struct timespec64 tv; memset(&tm, 0, sizeof(struct rtc_time)); @@ -452,36 +452,36 @@ static int hp_sdc_rtc_proc_show(struct seq_file *m, void *v) if (hp_sdc_rtc_read_rt(&tv)) { seq_puts(m, "i8042 rtc\t: READ FAILED!\n"); } else { - seq_printf(m, "i8042 rtc\t: %ld.%02d seconds\n", - tv.tv_sec, (int)tv.tv_usec/1000); + seq_printf(m, "i8042 rtc\t: %lld.%02ld seconds\n", + (s64)tv.tv_sec, (long)tv.tv_nsec/1000000L); } if (hp_sdc_rtc_read_fhs(&tv)) { seq_puts(m, "handshake\t: READ FAILED!\n"); } else { - seq_printf(m, "handshake\t: %ld.%02d seconds\n", - tv.tv_sec, (int)tv.tv_usec/1000); + seq_printf(m, "handshake\t: %lld.%02ld seconds\n", + (s64)tv.tv_sec, (long)tv.tv_nsec/1000000L); } if (hp_sdc_rtc_read_mt(&tv)) { seq_puts(m, "alarm\t\t: READ FAILED!\n"); } else { - seq_printf(m, "alarm\t\t: %ld.%02d seconds\n", - tv.tv_sec, (int)tv.tv_usec/1000); + seq_printf(m, "alarm\t\t: %lld.%02ld seconds\n", + (s64)tv.tv_sec, (long)tv.tv_nsec/1000000L); } if (hp_sdc_rtc_read_dt(&tv)) { seq_puts(m, "delay\t\t: READ FAILED!\n"); } else { - seq_printf(m, "delay\t\t: %ld.%02d seconds\n", - tv.tv_sec, (int)tv.tv_usec/1000); + seq_printf(m, "delay\t\t: %lld.%02ld seconds\n", + (s64)tv.tv_sec, (long)tv.tv_nsec/1000000L); } if (hp_sdc_rtc_read_ct(&tv)) { seq_puts(m, "periodic\t: READ FAILED!\n"); } else { - seq_printf(m, "periodic\t: %ld.%02d seconds\n", - tv.tv_sec, (int)tv.tv_usec/1000); + seq_printf(m, "periodic\t: %lld.%02ld seconds\n", + (s64)tv.tv_sec, (long)tv.tv_nsec/1000000L); } seq_printf(m, diff --git a/kernel/drivers/input/misc/kxtj9.c b/kernel/drivers/input/misc/kxtj9.c index 6e29349da..efaffcc57 100644 --- a/kernel/drivers/input/misc/kxtj9.c +++ b/kernel/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); @@ -658,7 +657,6 @@ MODULE_DEVICE_TABLE(i2c, kxtj9_id); static struct i2c_driver kxtj9_driver = { .driver = { .name = NAME, - .owner = THIS_MODULE, .pm = &kxtj9_pm_ops, }, .probe = kxtj9_probe, diff --git a/kernel/drivers/input/misc/max77693-haptic.c b/kernel/drivers/input/misc/max77693-haptic.c index 39e930c10..6d96bff32 100644 --- a/kernel/drivers/input/misc/max77693-haptic.c +++ b/kernel/drivers/input/misc/max77693-haptic.c @@ -1,8 +1,9 @@ /* - * MAXIM MAX77693 Haptic device driver + * MAXIM MAX77693/MAX77843 Haptic device driver * - * Copyright (C) 2014 Samsung Electronics + * Copyright (C) 2014,2015 Samsung Electronics * Jaewon Kim <jaewon02.kim@samsung.com> + * Krzysztof Kozlowski <k.kozlowski@samsung.com> * * This program is not provided / owned by Maxim Integrated Products. * @@ -24,7 +25,9 @@ #include <linux/workqueue.h> #include <linux/regulator/consumer.h> #include <linux/mfd/max77693.h> +#include <linux/mfd/max77693-common.h> #include <linux/mfd/max77693-private.h> +#include <linux/mfd/max77843-private.h> #define MAX_MAGNITUDE_SHIFT 16 @@ -46,6 +49,8 @@ enum max77693_haptic_pwm_divisor { }; struct max77693_haptic { + enum max77693_types dev_type; + struct regmap *regmap_pmic; struct regmap *regmap_haptic; struct device *dev; @@ -59,7 +64,6 @@ struct max77693_haptic { unsigned int pwm_duty; enum max77693_haptic_motor_type type; enum max77693_haptic_pulse_mode mode; - enum max77693_haptic_pwm_divisor pwm_divisor; struct work_struct work; }; @@ -78,19 +82,52 @@ static int max77693_haptic_set_duty_cycle(struct max77693_haptic *haptic) return 0; } +static int max77843_haptic_bias(struct max77693_haptic *haptic, bool on) +{ + int error; + + if (haptic->dev_type != TYPE_MAX77843) + return 0; + + error = regmap_update_bits(haptic->regmap_haptic, + MAX77843_SYS_REG_MAINCTRL1, + MAX77843_MAINCTRL1_BIASEN_MASK, + on << MAINCTRL1_BIASEN_SHIFT); + if (error) { + dev_err(haptic->dev, "failed to %s bias: %d\n", + on ? "enable" : "disable", error); + return error; + } + + return 0; +} + static int max77693_haptic_configure(struct max77693_haptic *haptic, bool enable) { - unsigned int value; + unsigned int value, config_reg; int error; - value = ((haptic->type << MAX77693_CONFIG2_MODE) | - (enable << MAX77693_CONFIG2_MEN) | - (haptic->mode << MAX77693_CONFIG2_HTYP) | - (haptic->pwm_divisor)); + switch (haptic->dev_type) { + case TYPE_MAX77693: + value = ((haptic->type << MAX77693_CONFIG2_MODE) | + (enable << MAX77693_CONFIG2_MEN) | + (haptic->mode << MAX77693_CONFIG2_HTYP) | + MAX77693_HAPTIC_PWM_DIVISOR_128); + config_reg = MAX77693_HAPTIC_REG_CONFIG2; + break; + case TYPE_MAX77843: + value = (haptic->type << MCONFIG_MODE_SHIFT) | + (enable << MCONFIG_MEN_SHIFT) | + MAX77693_HAPTIC_PWM_DIVISOR_128; + config_reg = MAX77843_HAP_REG_MCONFIG; + break; + default: + return -EINVAL; + } error = regmap_write(haptic->regmap_haptic, - MAX77693_HAPTIC_REG_CONFIG2, value); + config_reg, value); if (error) { dev_err(haptic->dev, "failed to update haptic config: %d\n", error); @@ -104,6 +141,9 @@ static int max77693_haptic_lowsys(struct max77693_haptic *haptic, bool enable) { int error; + if (haptic->dev_type != TYPE_MAX77693) + return 0; + error = regmap_update_bits(haptic->regmap_pmic, MAX77693_PMIC_REG_LSCNFG, MAX77693_PMIC_LOW_SYS_MASK, @@ -219,6 +259,10 @@ static int max77693_haptic_open(struct input_dev *dev) struct max77693_haptic *haptic = input_get_drvdata(dev); int error; + error = max77843_haptic_bias(haptic, true); + if (error) + return error; + error = regulator_enable(haptic->motor_reg); if (error) { dev_err(haptic->dev, @@ -241,6 +285,8 @@ static void max77693_haptic_close(struct input_dev *dev) if (error) dev_err(haptic->dev, "failed to disable regulator: %d\n", error); + + max77843_haptic_bias(haptic, false); } static int max77693_haptic_probe(struct platform_device *pdev) @@ -254,13 +300,26 @@ static int max77693_haptic_probe(struct platform_device *pdev) return -ENOMEM; haptic->regmap_pmic = max77693->regmap; - haptic->regmap_haptic = max77693->regmap_haptic; haptic->dev = &pdev->dev; haptic->type = MAX77693_HAPTIC_LRA; haptic->mode = MAX77693_HAPTIC_EXTERNAL_MODE; - haptic->pwm_divisor = MAX77693_HAPTIC_PWM_DIVISOR_128; haptic->suspend_state = false; + /* Variant-specific init */ + haptic->dev_type = platform_get_device_id(pdev)->driver_data; + switch (haptic->dev_type) { + case TYPE_MAX77693: + haptic->regmap_haptic = max77693->regmap_haptic; + break; + case TYPE_MAX77843: + haptic->regmap_haptic = max77693->regmap; + break; + default: + dev_err(&pdev->dev, "unsupported device type: %u\n", + haptic->dev_type); + return -EINVAL; + } + INIT_WORK(&haptic->work, max77693_haptic_play_work); /* Get pwm and regulatot for haptic device */ @@ -338,16 +397,25 @@ static int __maybe_unused max77693_haptic_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(max77693_haptic_pm_ops, max77693_haptic_suspend, max77693_haptic_resume); +static const struct platform_device_id max77693_haptic_id[] = { + { "max77693-haptic", TYPE_MAX77693 }, + { "max77843-haptic", TYPE_MAX77843 }, + {}, +}; +MODULE_DEVICE_TABLE(platform, max77693_haptic_id); + static struct platform_driver max77693_haptic_driver = { .driver = { .name = "max77693-haptic", .pm = &max77693_haptic_pm_ops, }, .probe = max77693_haptic_probe, + .id_table = max77693_haptic_id, }; module_platform_driver(max77693_haptic_driver); MODULE_AUTHOR("Jaewon Kim <jaewon02.kim@samsung.com>"); -MODULE_DESCRIPTION("MAXIM MAX77693 Haptic driver"); +MODULE_AUTHOR("Krzysztof Kozlowski <k.kozlowski@samsung.com>"); +MODULE_DESCRIPTION("MAXIM 77693/77843 Haptic driver"); MODULE_ALIAS("platform:max77693-haptic"); MODULE_LICENSE("GPL"); diff --git a/kernel/drivers/input/misc/max77843-haptic.c b/kernel/drivers/input/misc/max77843-haptic.c deleted file mode 100644 index dccbb465a..000000000 --- a/kernel/drivers/input/misc/max77843-haptic.c +++ /dev/null @@ -1,358 +0,0 @@ -/* - * MAXIM MAX77693 Haptic device driver - * - * Copyright (C) 2015 Samsung Electronics - * Author: Jaewon Kim <jaewon02.kim@samsung.com> - * - * 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 <linux/err.h> -#include <linux/i2c.h> -#include <linux/init.h> -#include <linux/input.h> -#include <linux/mfd/max77843-private.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/pwm.h> -#include <linux/regmap.h> -#include <linux/regulator/consumer.h> -#include <linux/slab.h> -#include <linux/workqueue.h> - -#define MAX_MAGNITUDE_SHIFT 16 - -enum max77843_haptic_motor_type { - MAX77843_HAPTIC_ERM = 0, - MAX77843_HAPTIC_LRA, -}; - -enum max77843_haptic_pwm_divisor { - MAX77843_HAPTIC_PWM_DIVISOR_32 = 0, - MAX77843_HAPTIC_PWM_DIVISOR_64, - MAX77843_HAPTIC_PWM_DIVISOR_128, - MAX77843_HAPTIC_PWM_DIVISOR_256, -}; - -struct max77843_haptic { - struct regmap *regmap_haptic; - struct device *dev; - struct input_dev *input_dev; - struct pwm_device *pwm_dev; - struct regulator *motor_reg; - struct work_struct work; - struct mutex mutex; - - unsigned int magnitude; - unsigned int pwm_duty; - - bool active; - bool suspended; - - enum max77843_haptic_motor_type type; - enum max77843_haptic_pwm_divisor pwm_divisor; -}; - -static int max77843_haptic_set_duty_cycle(struct max77843_haptic *haptic) -{ - int delta = (haptic->pwm_dev->period + haptic->pwm_duty) / 2; - int error; - - error = pwm_config(haptic->pwm_dev, delta, haptic->pwm_dev->period); - if (error) { - dev_err(haptic->dev, "failed to configure pwm: %d\n", error); - return error; - } - - return 0; -} - -static int max77843_haptic_bias(struct max77843_haptic *haptic, bool on) -{ - int error; - - error = regmap_update_bits(haptic->regmap_haptic, - MAX77843_SYS_REG_MAINCTRL1, - MAX77843_MAINCTRL1_BIASEN_MASK, - on << MAINCTRL1_BIASEN_SHIFT); - if (error) { - dev_err(haptic->dev, "failed to %s bias: %d\n", - on ? "enable" : "disable", error); - return error; - } - - return 0; -} - -static int max77843_haptic_config(struct max77843_haptic *haptic, bool enable) -{ - unsigned int value; - int error; - - value = (haptic->type << MCONFIG_MODE_SHIFT) | - (enable << MCONFIG_MEN_SHIFT) | - (haptic->pwm_divisor << MCONFIG_PDIV_SHIFT); - - error = regmap_write(haptic->regmap_haptic, - MAX77843_HAP_REG_MCONFIG, value); - if (error) { - dev_err(haptic->dev, - "failed to update haptic config: %d\n", error); - return error; - } - - return 0; -} - -static int max77843_haptic_enable(struct max77843_haptic *haptic) -{ - int error; - - if (haptic->active) - return 0; - - error = pwm_enable(haptic->pwm_dev); - if (error) { - dev_err(haptic->dev, - "failed to enable pwm device: %d\n", error); - return error; - } - - error = max77843_haptic_config(haptic, true); - if (error) - goto err_config; - - haptic->active = true; - - return 0; - -err_config: - pwm_disable(haptic->pwm_dev); - - return error; -} - -static int max77843_haptic_disable(struct max77843_haptic *haptic) -{ - int error; - - if (!haptic->active) - return 0; - - error = max77843_haptic_config(haptic, false); - if (error) - return error; - - pwm_disable(haptic->pwm_dev); - - haptic->active = false; - - return 0; -} - -static void max77843_haptic_play_work(struct work_struct *work) -{ - struct max77843_haptic *haptic = - container_of(work, struct max77843_haptic, work); - int error; - - mutex_lock(&haptic->mutex); - - if (haptic->suspended) - goto out_unlock; - - if (haptic->magnitude) { - error = max77843_haptic_set_duty_cycle(haptic); - if (error) { - dev_err(haptic->dev, - "failed to set duty cycle: %d\n", error); - goto out_unlock; - } - - error = max77843_haptic_enable(haptic); - if (error) - dev_err(haptic->dev, - "cannot enable haptic: %d\n", error); - } else { - error = max77843_haptic_disable(haptic); - if (error) - dev_err(haptic->dev, - "cannot disable haptic: %d\n", error); - } - -out_unlock: - mutex_unlock(&haptic->mutex); -} - -static int max77843_haptic_play_effect(struct input_dev *dev, void *data, - struct ff_effect *effect) -{ - struct max77843_haptic *haptic = input_get_drvdata(dev); - u64 period_mag_multi; - - haptic->magnitude = effect->u.rumble.strong_magnitude; - if (!haptic->magnitude) - haptic->magnitude = effect->u.rumble.weak_magnitude; - - period_mag_multi = (u64)haptic->pwm_dev->period * haptic->magnitude; - haptic->pwm_duty = (unsigned int)(period_mag_multi >> - MAX_MAGNITUDE_SHIFT); - - schedule_work(&haptic->work); - - return 0; -} - -static int max77843_haptic_open(struct input_dev *dev) -{ - struct max77843_haptic *haptic = input_get_drvdata(dev); - int error; - - error = max77843_haptic_bias(haptic, true); - if (error) - return error; - - error = regulator_enable(haptic->motor_reg); - if (error) { - dev_err(haptic->dev, - "failed to enable regulator: %d\n", error); - return error; - } - - return 0; -} - -static void max77843_haptic_close(struct input_dev *dev) -{ - struct max77843_haptic *haptic = input_get_drvdata(dev); - int error; - - cancel_work_sync(&haptic->work); - max77843_haptic_disable(haptic); - - error = regulator_disable(haptic->motor_reg); - if (error) - dev_err(haptic->dev, - "failed to disable regulator: %d\n", error); - - max77843_haptic_bias(haptic, false); -} - -static int max77843_haptic_probe(struct platform_device *pdev) -{ - struct max77843 *max77843 = dev_get_drvdata(pdev->dev.parent); - struct max77843_haptic *haptic; - int error; - - haptic = devm_kzalloc(&pdev->dev, sizeof(*haptic), GFP_KERNEL); - if (!haptic) - return -ENOMEM; - - haptic->regmap_haptic = max77843->regmap; - haptic->dev = &pdev->dev; - haptic->type = MAX77843_HAPTIC_LRA; - haptic->pwm_divisor = MAX77843_HAPTIC_PWM_DIVISOR_128; - - INIT_WORK(&haptic->work, max77843_haptic_play_work); - mutex_init(&haptic->mutex); - - haptic->pwm_dev = devm_pwm_get(&pdev->dev, NULL); - if (IS_ERR(haptic->pwm_dev)) { - dev_err(&pdev->dev, "failed to get pwm device\n"); - return PTR_ERR(haptic->pwm_dev); - } - - haptic->motor_reg = devm_regulator_get_exclusive(&pdev->dev, "haptic"); - if (IS_ERR(haptic->motor_reg)) { - dev_err(&pdev->dev, "failed to get regulator\n"); - return PTR_ERR(haptic->motor_reg); - } - - haptic->input_dev = devm_input_allocate_device(&pdev->dev); - if (!haptic->input_dev) { - dev_err(&pdev->dev, "failed to allocate input device\n"); - return -ENOMEM; - } - - haptic->input_dev->name = "max77843-haptic"; - haptic->input_dev->id.version = 1; - haptic->input_dev->dev.parent = &pdev->dev; - haptic->input_dev->open = max77843_haptic_open; - haptic->input_dev->close = max77843_haptic_close; - input_set_drvdata(haptic->input_dev, haptic); - input_set_capability(haptic->input_dev, EV_FF, FF_RUMBLE); - - error = input_ff_create_memless(haptic->input_dev, NULL, - max77843_haptic_play_effect); - if (error) { - dev_err(&pdev->dev, "failed to create force-feedback\n"); - return error; - } - - error = input_register_device(haptic->input_dev); - if (error) { - dev_err(&pdev->dev, "failed to register input device\n"); - return error; - } - - platform_set_drvdata(pdev, haptic); - - return 0; -} - -static int __maybe_unused max77843_haptic_suspend(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct max77843_haptic *haptic = platform_get_drvdata(pdev); - int error; - - error = mutex_lock_interruptible(&haptic->mutex); - if (error) - return error; - - max77843_haptic_disable(haptic); - - haptic->suspended = true; - - mutex_unlock(&haptic->mutex); - - return 0; -} - -static int __maybe_unused max77843_haptic_resume(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct max77843_haptic *haptic = platform_get_drvdata(pdev); - unsigned int magnitude; - - mutex_lock(&haptic->mutex); - - haptic->suspended = false; - - magnitude = ACCESS_ONCE(haptic->magnitude); - if (magnitude) - max77843_haptic_enable(haptic); - - mutex_unlock(&haptic->mutex); - - return 0; -} - -static SIMPLE_DEV_PM_OPS(max77843_haptic_pm_ops, - max77843_haptic_suspend, max77843_haptic_resume); - -static struct platform_driver max77843_haptic_driver = { - .driver = { - .name = "max77843-haptic", - .pm = &max77843_haptic_pm_ops, - }, - .probe = max77843_haptic_probe, -}; -module_platform_driver(max77843_haptic_driver); - -MODULE_AUTHOR("Jaewon Kim <jaewon02.kim@samsung.com>"); -MODULE_DESCRIPTION("MAXIM MAX77843 Haptic driver"); -MODULE_LICENSE("GPL"); diff --git a/kernel/drivers/input/misc/max8997_haptic.c b/kernel/drivers/input/misc/max8997_haptic.c index d0f687281..a806ba381 100644 --- a/kernel/drivers/input/misc/max8997_haptic.c +++ b/kernel/drivers/input/misc/max8997_haptic.c @@ -394,7 +394,7 @@ static const struct platform_device_id max8997_haptic_id[] = { { "max8997-haptic", 0 }, { }, }; -MODULE_DEVICE_TABLE(i2c, max8997_haptic_id); +MODULE_DEVICE_TABLE(platform, max8997_haptic_id); static struct platform_driver max8997_haptic_driver = { .driver = { @@ -407,7 +407,6 @@ static struct platform_driver max8997_haptic_driver = { }; module_platform_driver(max8997_haptic_driver); -MODULE_ALIAS("platform:max8997-haptic"); MODULE_AUTHOR("Donggeun Kim <dg77.kim@samsung.com>"); MODULE_DESCRIPTION("max8997_haptic driver"); MODULE_LICENSE("GPL"); diff --git a/kernel/drivers/input/misc/mpu3050.c b/kernel/drivers/input/misc/mpu3050.c index 5e5051351..f088db31c 100644 --- a/kernel/drivers/input/misc/mpu3050.c +++ b/kernel/drivers/input/misc/mpu3050.c @@ -466,7 +466,6 @@ MODULE_DEVICE_TABLE(of, mpu3050_of_match); static struct i2c_driver mpu3050_i2c_driver = { .driver = { .name = "mpu3050", - .owner = THIS_MODULE, .pm = &mpu3050_pm, .of_match_table = mpu3050_of_match, }, diff --git a/kernel/drivers/input/misc/pcf8574_keypad.c b/kernel/drivers/input/misc/pcf8574_keypad.c index 97f711a7b..4abdf1efb 100644 --- a/kernel/drivers/input/misc/pcf8574_keypad.c +++ b/kernel/drivers/input/misc/pcf8574_keypad.c @@ -208,7 +208,6 @@ MODULE_DEVICE_TABLE(i2c, pcf8574_kp_id); static struct i2c_driver pcf8574_kp_driver = { .driver = { .name = DRV_NAME, - .owner = THIS_MODULE, #ifdef CONFIG_PM .pm = &pcf8574_kp_pm_ops, #endif diff --git a/kernel/drivers/input/misc/pm8941-pwrkey.c b/kernel/drivers/input/misc/pm8941-pwrkey.c index 867db8a91..e317b7535 100644 --- a/kernel/drivers/input/misc/pm8941-pwrkey.c +++ b/kernel/drivers/input/misc/pm8941-pwrkey.c @@ -93,7 +93,7 @@ static int pm8941_reboot_notify(struct notifier_block *nb, default: reset_type = PON_PS_HOLD_TYPE_HARD_RESET; break; - }; + } error = regmap_update_bits(pwrkey->regmap, pwrkey->baseaddr + PON_PS_HOLD_RST_CTL, diff --git a/kernel/drivers/input/misc/pmic8xxx-pwrkey.c b/kernel/drivers/input/misc/pmic8xxx-pwrkey.c index c4ca20e63..3f02e0e03 100644 --- a/kernel/drivers/input/misc/pmic8xxx-pwrkey.c +++ b/kernel/drivers/input/misc/pmic8xxx-pwrkey.c @@ -20,17 +20,72 @@ #include <linux/regmap.h> #include <linux/log2.h> #include <linux/of.h> +#include <linux/of_device.h> #define PON_CNTL_1 0x1C #define PON_CNTL_PULL_UP BIT(7) #define PON_CNTL_TRIG_DELAY_MASK (0x7) +#define PON_CNTL_1_PULL_UP_EN 0xe0 +#define PON_CNTL_1_USB_PWR_EN 0x10 +#define PON_CNTL_1_WD_EN_RESET 0x08 + +#define PM8058_SLEEP_CTRL 0x02b +#define PM8921_SLEEP_CTRL 0x10a + +#define SLEEP_CTRL_SMPL_EN_RESET 0x04 + +/* Regulator master enable addresses */ +#define REG_PM8058_VREG_EN_MSM 0x018 +#define REG_PM8058_VREG_EN_GRP_5_4 0x1c8 + +/* Regulator control registers for shutdown/reset */ +#define PM8058_S0_CTRL 0x004 +#define PM8058_S1_CTRL 0x005 +#define PM8058_S3_CTRL 0x111 +#define PM8058_L21_CTRL 0x120 +#define PM8058_L22_CTRL 0x121 + +#define PM8058_REGULATOR_ENABLE_MASK 0x80 +#define PM8058_REGULATOR_ENABLE 0x80 +#define PM8058_REGULATOR_DISABLE 0x00 +#define PM8058_REGULATOR_PULL_DOWN_MASK 0x40 +#define PM8058_REGULATOR_PULL_DOWN_EN 0x40 + +/* Buck CTRL register */ +#define PM8058_SMPS_LEGACY_VREF_SEL 0x20 +#define PM8058_SMPS_LEGACY_VPROG_MASK 0x1f +#define PM8058_SMPS_ADVANCED_BAND_MASK 0xC0 +#define PM8058_SMPS_ADVANCED_BAND_SHIFT 6 +#define PM8058_SMPS_ADVANCED_VPROG_MASK 0x3f + +/* Buck TEST2 registers for shutdown/reset */ +#define PM8058_S0_TEST2 0x084 +#define PM8058_S1_TEST2 0x085 +#define PM8058_S3_TEST2 0x11a + +#define PM8058_REGULATOR_BANK_WRITE 0x80 +#define PM8058_REGULATOR_BANK_MASK 0x70 +#define PM8058_REGULATOR_BANK_SHIFT 4 +#define PM8058_REGULATOR_BANK_SEL(n) ((n) << PM8058_REGULATOR_BANK_SHIFT) + +/* Buck TEST2 register bank 1 */ +#define PM8058_SMPS_LEGACY_VLOW_SEL 0x01 + +/* Buck TEST2 register bank 7 */ +#define PM8058_SMPS_ADVANCED_MODE_MASK 0x02 +#define PM8058_SMPS_ADVANCED_MODE 0x02 +#define PM8058_SMPS_LEGACY_MODE 0x00 /** * struct pmic8xxx_pwrkey - pmic8xxx pwrkey information * @key_press_irq: key press irq number + * @regmap: device regmap + * @shutdown_fn: shutdown configuration function */ struct pmic8xxx_pwrkey { int key_press_irq; + struct regmap *regmap; + int (*shutdown_fn)(struct pmic8xxx_pwrkey *, bool); }; static irqreturn_t pwrkey_press_irq(int irq, void *_pwr) @@ -76,6 +131,212 @@ static int __maybe_unused pmic8xxx_pwrkey_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(pm8xxx_pwr_key_pm_ops, pmic8xxx_pwrkey_suspend, pmic8xxx_pwrkey_resume); +static void pmic8xxx_pwrkey_shutdown(struct platform_device *pdev) +{ + struct pmic8xxx_pwrkey *pwrkey = platform_get_drvdata(pdev); + int error; + u8 mask, val; + bool reset = system_state == SYSTEM_RESTART; + + if (pwrkey->shutdown_fn) { + error = pwrkey->shutdown_fn(pwrkey, reset); + if (error) + return; + } + + /* + * Select action to perform (reset or shutdown) when PS_HOLD goes low. + * Also ensure that KPD, CBL0, and CBL1 pull ups are enabled and that + * USB charging is enabled. + */ + mask = PON_CNTL_1_PULL_UP_EN | PON_CNTL_1_USB_PWR_EN; + mask |= PON_CNTL_1_WD_EN_RESET; + val = mask; + if (!reset) + val &= ~PON_CNTL_1_WD_EN_RESET; + + regmap_update_bits(pwrkey->regmap, PON_CNTL_1, mask, val); +} + +/* + * Set an SMPS regulator to be disabled in its CTRL register, but enabled + * in the master enable register. Also set it's pull down enable bit. + * Take care to make sure that the output voltage doesn't change if switching + * from advanced mode to legacy mode. + */ +static int pm8058_disable_smps_locally_set_pull_down(struct regmap *regmap, + u16 ctrl_addr, u16 test2_addr, u16 master_enable_addr, + u8 master_enable_bit) +{ + int error; + u8 vref_sel, vlow_sel, band, vprog, bank; + unsigned int reg; + + bank = PM8058_REGULATOR_BANK_SEL(7); + error = regmap_write(regmap, test2_addr, bank); + if (error) + return error; + + error = regmap_read(regmap, test2_addr, ®); + if (error) + return error; + + reg &= PM8058_SMPS_ADVANCED_MODE_MASK; + /* Check if in advanced mode. */ + if (reg == PM8058_SMPS_ADVANCED_MODE) { + /* Determine current output voltage. */ + error = regmap_read(regmap, ctrl_addr, ®); + if (error) + return error; + + band = reg & PM8058_SMPS_ADVANCED_BAND_MASK; + band >>= PM8058_SMPS_ADVANCED_BAND_SHIFT; + switch (band) { + case 3: + vref_sel = 0; + vlow_sel = 0; + break; + case 2: + vref_sel = PM8058_SMPS_LEGACY_VREF_SEL; + vlow_sel = 0; + break; + case 1: + vref_sel = PM8058_SMPS_LEGACY_VREF_SEL; + vlow_sel = PM8058_SMPS_LEGACY_VLOW_SEL; + break; + default: + pr_err("%s: regulator already disabled\n", __func__); + return -EPERM; + } + vprog = reg & PM8058_SMPS_ADVANCED_VPROG_MASK; + /* Round up if fine step is in use. */ + vprog = (vprog + 1) >> 1; + if (vprog > PM8058_SMPS_LEGACY_VPROG_MASK) + vprog = PM8058_SMPS_LEGACY_VPROG_MASK; + + /* Set VLOW_SEL bit. */ + bank = PM8058_REGULATOR_BANK_SEL(1); + error = regmap_write(regmap, test2_addr, bank); + if (error) + return error; + + error = regmap_update_bits(regmap, test2_addr, + PM8058_REGULATOR_BANK_WRITE | PM8058_REGULATOR_BANK_MASK + | PM8058_SMPS_LEGACY_VLOW_SEL, + PM8058_REGULATOR_BANK_WRITE | + PM8058_REGULATOR_BANK_SEL(1) | vlow_sel); + if (error) + return error; + + /* Switch to legacy mode */ + bank = PM8058_REGULATOR_BANK_SEL(7); + error = regmap_write(regmap, test2_addr, bank); + if (error) + return error; + + error = regmap_update_bits(regmap, test2_addr, + PM8058_REGULATOR_BANK_WRITE | + PM8058_REGULATOR_BANK_MASK | + PM8058_SMPS_ADVANCED_MODE_MASK, + PM8058_REGULATOR_BANK_WRITE | + PM8058_REGULATOR_BANK_SEL(7) | + PM8058_SMPS_LEGACY_MODE); + if (error) + return error; + + /* Enable locally, enable pull down, keep voltage the same. */ + error = regmap_update_bits(regmap, ctrl_addr, + PM8058_REGULATOR_ENABLE_MASK | + PM8058_REGULATOR_PULL_DOWN_MASK | + PM8058_SMPS_LEGACY_VREF_SEL | + PM8058_SMPS_LEGACY_VPROG_MASK, + PM8058_REGULATOR_ENABLE | PM8058_REGULATOR_PULL_DOWN_EN + | vref_sel | vprog); + if (error) + return error; + } + + /* Enable in master control register. */ + error = regmap_update_bits(regmap, master_enable_addr, + master_enable_bit, master_enable_bit); + if (error) + return error; + + /* Disable locally and enable pull down. */ + return regmap_update_bits(regmap, ctrl_addr, + PM8058_REGULATOR_ENABLE_MASK | PM8058_REGULATOR_PULL_DOWN_MASK, + PM8058_REGULATOR_DISABLE | PM8058_REGULATOR_PULL_DOWN_EN); +} + +static int pm8058_disable_ldo_locally_set_pull_down(struct regmap *regmap, + u16 ctrl_addr, u16 master_enable_addr, u8 master_enable_bit) +{ + int error; + + /* Enable LDO in master control register. */ + error = regmap_update_bits(regmap, master_enable_addr, + master_enable_bit, master_enable_bit); + if (error) + return error; + + /* Disable LDO in CTRL register and set pull down */ + return regmap_update_bits(regmap, ctrl_addr, + PM8058_REGULATOR_ENABLE_MASK | PM8058_REGULATOR_PULL_DOWN_MASK, + PM8058_REGULATOR_DISABLE | PM8058_REGULATOR_PULL_DOWN_EN); +} + +static int pm8058_pwrkey_shutdown(struct pmic8xxx_pwrkey *pwrkey, bool reset) +{ + int error; + struct regmap *regmap = pwrkey->regmap; + u8 mask, val; + + /* When shutting down, enable active pulldowns on important rails. */ + if (!reset) { + /* Disable SMPS's 0,1,3 locally and set pulldown enable bits. */ + pm8058_disable_smps_locally_set_pull_down(regmap, + PM8058_S0_CTRL, PM8058_S0_TEST2, + REG_PM8058_VREG_EN_MSM, BIT(7)); + pm8058_disable_smps_locally_set_pull_down(regmap, + PM8058_S1_CTRL, PM8058_S1_TEST2, + REG_PM8058_VREG_EN_MSM, BIT(6)); + pm8058_disable_smps_locally_set_pull_down(regmap, + PM8058_S3_CTRL, PM8058_S3_TEST2, + REG_PM8058_VREG_EN_GRP_5_4, BIT(7) | BIT(4)); + /* Disable LDO 21 locally and set pulldown enable bit. */ + pm8058_disable_ldo_locally_set_pull_down(regmap, + PM8058_L21_CTRL, REG_PM8058_VREG_EN_GRP_5_4, + BIT(1)); + } + + /* + * Fix-up: Set regulator LDO22 to 1.225 V in high power mode. Leave its + * pull-down state intact. This ensures a safe shutdown. + */ + error = regmap_update_bits(regmap, PM8058_L22_CTRL, 0xbf, 0x93); + if (error) + return error; + + /* Enable SMPL if resetting is desired */ + mask = SLEEP_CTRL_SMPL_EN_RESET; + val = 0; + if (reset) + val = mask; + return regmap_update_bits(regmap, PM8058_SLEEP_CTRL, mask, val); +} + +static int pm8921_pwrkey_shutdown(struct pmic8xxx_pwrkey *pwrkey, bool reset) +{ + struct regmap *regmap = pwrkey->regmap; + u8 mask = SLEEP_CTRL_SMPL_EN_RESET; + u8 val = 0; + + /* Enable SMPL if resetting is desired */ + if (reset) + val = mask; + return regmap_update_bits(regmap, PM8921_SLEEP_CTRL, mask, val); +} + static int pmic8xxx_pwrkey_probe(struct platform_device *pdev) { struct input_dev *pwr; @@ -109,6 +370,8 @@ static int pmic8xxx_pwrkey_probe(struct platform_device *pdev) if (!pwrkey) return -ENOMEM; + pwrkey->shutdown_fn = of_device_get_match_data(&pdev->dev); + pwrkey->regmap = regmap; pwrkey->key_press_irq = key_press_irq; pwr = devm_input_allocate_device(&pdev->dev); @@ -182,8 +445,8 @@ static int pmic8xxx_pwrkey_remove(struct platform_device *pdev) } static const struct of_device_id pm8xxx_pwr_key_id_table[] = { - { .compatible = "qcom,pm8058-pwrkey" }, - { .compatible = "qcom,pm8921-pwrkey" }, + { .compatible = "qcom,pm8058-pwrkey", .data = &pm8058_pwrkey_shutdown }, + { .compatible = "qcom,pm8921-pwrkey", .data = &pm8921_pwrkey_shutdown }, { } }; MODULE_DEVICE_TABLE(of, pm8xxx_pwr_key_id_table); @@ -191,6 +454,7 @@ MODULE_DEVICE_TABLE(of, pm8xxx_pwr_key_id_table); static struct platform_driver pmic8xxx_pwrkey_driver = { .probe = pmic8xxx_pwrkey_probe, .remove = pmic8xxx_pwrkey_remove, + .shutdown = pmic8xxx_pwrkey_shutdown, .driver = { .name = "pm8xxx-pwrkey", .pm = &pm8xxx_pwr_key_pm_ops, diff --git a/kernel/drivers/input/misc/pwm-beeper.c b/kernel/drivers/input/misc/pwm-beeper.c index e82edf810..f2261ab54 100644 --- a/kernel/drivers/input/misc/pwm-beeper.c +++ b/kernel/drivers/input/misc/pwm-beeper.c @@ -173,6 +173,7 @@ static const struct of_device_id pwm_beeper_match[] = { { .compatible = "pwm-beeper", }, { }, }; +MODULE_DEVICE_TABLE(of, pwm_beeper_match); #endif static struct platform_driver pwm_beeper_driver = { diff --git a/kernel/drivers/input/misc/rb532_button.c b/kernel/drivers/input/misc/rb532_button.c index e956e81cd..62c5814c7 100644 --- a/kernel/drivers/input/misc/rb532_button.c +++ b/kernel/drivers/input/misc/rb532_button.c @@ -7,6 +7,7 @@ #include <linux/input-polldev.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/gpio.h> #include <asm/mach-rc32434/gpio.h> #include <asm/mach-rc32434/rb.h> diff --git a/kernel/drivers/input/misc/regulator-haptic.c b/kernel/drivers/input/misc/regulator-haptic.c index 6bf3f1082..a804705eb 100644 --- a/kernel/drivers/input/misc/regulator-haptic.c +++ b/kernel/drivers/input/misc/regulator-haptic.c @@ -249,6 +249,7 @@ static const struct of_device_id regulator_haptic_dt_match[] = { { .compatible = "regulator-haptic" }, { /* sentinel */ }, }; +MODULE_DEVICE_TABLE(of, regulator_haptic_dt_match); static struct platform_driver regulator_haptic_driver = { .probe = regulator_haptic_probe, diff --git a/kernel/drivers/input/misc/retu-pwrbutton.c b/kernel/drivers/input/misc/retu-pwrbutton.c index 0c8ac60e2..30b459b6b 100644 --- a/kernel/drivers/input/misc/retu-pwrbutton.c +++ b/kernel/drivers/input/misc/retu-pwrbutton.c @@ -63,7 +63,8 @@ static int retu_pwrbutton_probe(struct platform_device *pdev) input_set_drvdata(idev, rdev); error = devm_request_threaded_irq(&pdev->dev, irq, - NULL, retu_pwrbutton_irq, 0, + NULL, retu_pwrbutton_irq, + IRQF_ONESHOT, "retu-pwrbutton", idev); if (error) return error; diff --git a/kernel/drivers/input/misc/rotary_encoder.c b/kernel/drivers/input/misc/rotary_encoder.c index f27f81ee8..8aee71986 100644 --- a/kernel/drivers/input/misc/rotary_encoder.c +++ b/kernel/drivers/input/misc/rotary_encoder.c @@ -26,6 +26,7 @@ #include <linux/of.h> #include <linux/of_platform.h> #include <linux/of_gpio.h> +#include <linux/pm.h> #define DRV_NAME "rotary-encoder" @@ -142,6 +143,55 @@ static irqreturn_t rotary_encoder_half_period_irq(int irq, void *dev_id) return IRQ_HANDLED; } +static irqreturn_t rotary_encoder_quarter_period_irq(int irq, void *dev_id) +{ + struct rotary_encoder *encoder = dev_id; + unsigned char sum; + int state; + + state = rotary_encoder_get_state(encoder->pdata); + + /* + * We encode the previous and the current state using a byte. + * The previous state in the MSB nibble, the current state in the LSB + * nibble. Then use a table to decide the direction of the turn. + */ + sum = (encoder->last_stable << 4) + state; + switch (sum) { + case 0x31: + case 0x10: + case 0x02: + case 0x23: + encoder->dir = 0; /* clockwise */ + break; + + case 0x13: + case 0x01: + case 0x20: + case 0x32: + encoder->dir = 1; /* counter-clockwise */ + break; + + default: + /* + * Ignore all other values. This covers the case when the + * state didn't change (a spurious interrupt) and the + * cases where the state changed by two steps, making it + * impossible to tell the direction. + * + * In either case, don't report any event and save the + * state for later. + */ + goto out; + } + + rotary_encoder_report_event(encoder); + +out: + encoder->last_stable = state; + return IRQ_HANDLED; +} + #ifdef CONFIG_OF static const struct of_device_id rotary_encoder_of_match[] = { { .compatible = "rotary-encoder", }, @@ -156,6 +206,7 @@ static struct rotary_encoder_platform_data *rotary_encoder_parse_dt(struct devic struct device_node *np = dev->of_node; struct rotary_encoder_platform_data *pdata; enum of_gpio_flags flags; + int error; if (!of_id || !np) return NULL; @@ -174,12 +225,27 @@ static struct rotary_encoder_platform_data *rotary_encoder_parse_dt(struct devic pdata->gpio_b = of_get_gpio_flags(np, 1, &flags); pdata->inverted_b = flags & OF_GPIO_ACTIVE_LOW; - pdata->relative_axis = !!of_get_property(np, - "rotary-encoder,relative-axis", NULL); - pdata->rollover = !!of_get_property(np, - "rotary-encoder,rollover", NULL); - pdata->half_period = !!of_get_property(np, - "rotary-encoder,half-period", NULL); + pdata->relative_axis = + of_property_read_bool(np, "rotary-encoder,relative-axis"); + pdata->rollover = of_property_read_bool(np, "rotary-encoder,rollover"); + + error = of_property_read_u32(np, "rotary-encoder,steps-per-period", + &pdata->steps_per_period); + if (error) { + /* + * The 'half-period' property has been deprecated, you must use + * 'steps-per-period' and set an appropriate value, but we still + * need to parse it to maintain compatibility. + */ + if (of_property_read_bool(np, "rotary-encoder,half-period")) { + pdata->steps_per_period = 2; + } else { + /* Fallback to one step per period behavior */ + pdata->steps_per_period = 1; + } + } + + pdata->wakeup_source = of_property_read_bool(np, "wakeup-source"); return pdata; } @@ -250,12 +316,23 @@ static int rotary_encoder_probe(struct platform_device *pdev) encoder->irq_a = gpio_to_irq(pdata->gpio_a); encoder->irq_b = gpio_to_irq(pdata->gpio_b); - /* request the IRQs */ - if (pdata->half_period) { + switch (pdata->steps_per_period) { + case 4: + handler = &rotary_encoder_quarter_period_irq; + encoder->last_stable = rotary_encoder_get_state(pdata); + break; + case 2: handler = &rotary_encoder_half_period_irq; encoder->last_stable = rotary_encoder_get_state(pdata); - } else { + break; + case 1: handler = &rotary_encoder_irq; + break; + default: + dev_err(dev, "'%d' is not a valid steps-per-period value\n", + pdata->steps_per_period); + err = -EINVAL; + goto exit_free_gpio_b; } err = request_irq(encoder->irq_a, handler, @@ -280,6 +357,8 @@ static int rotary_encoder_probe(struct platform_device *pdev) goto exit_free_irq_b; } + device_init_wakeup(&pdev->dev, pdata->wakeup_source); + platform_set_drvdata(pdev, encoder); return 0; @@ -306,6 +385,8 @@ static int rotary_encoder_remove(struct platform_device *pdev) struct rotary_encoder *encoder = platform_get_drvdata(pdev); const struct rotary_encoder_platform_data *pdata = encoder->pdata; + device_init_wakeup(&pdev->dev, false); + free_irq(encoder->irq_a, encoder); free_irq(encoder->irq_b, encoder); gpio_free(pdata->gpio_a); @@ -320,11 +401,41 @@ static int rotary_encoder_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM_SLEEP +static int rotary_encoder_suspend(struct device *dev) +{ + struct rotary_encoder *encoder = dev_get_drvdata(dev); + + if (device_may_wakeup(dev)) { + enable_irq_wake(encoder->irq_a); + enable_irq_wake(encoder->irq_b); + } + + return 0; +} + +static int rotary_encoder_resume(struct device *dev) +{ + struct rotary_encoder *encoder = dev_get_drvdata(dev); + + if (device_may_wakeup(dev)) { + disable_irq_wake(encoder->irq_a); + disable_irq_wake(encoder->irq_b); + } + + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(rotary_encoder_pm_ops, + rotary_encoder_suspend, rotary_encoder_resume); + static struct platform_driver rotary_encoder_driver = { .probe = rotary_encoder_probe, .remove = rotary_encoder_remove, .driver = { .name = DRV_NAME, + .pm = &rotary_encoder_pm_ops, .of_match_table = of_match_ptr(rotary_encoder_of_match), } }; diff --git a/kernel/drivers/input/misc/soc_button_array.c b/kernel/drivers/input/misc/soc_button_array.c index e8e010a85..c14b82709 100644 --- a/kernel/drivers/input/misc/soc_button_array.c +++ b/kernel/drivers/input/misc/soc_button_array.c @@ -18,7 +18,6 @@ #include <linux/gpio/consumer.h> #include <linux/gpio_keys.h> #include <linux/platform_device.h> -#include <linux/acpi.h> /* * Definition of buttons on the tablet. The ACPI index of each button diff --git a/kernel/drivers/input/misc/sparcspkr.c b/kernel/drivers/input/misc/sparcspkr.c index 54116e544..6f997aa49 100644 --- a/kernel/drivers/input/misc/sparcspkr.c +++ b/kernel/drivers/input/misc/sparcspkr.c @@ -253,6 +253,7 @@ static const struct of_device_id bbc_beep_match[] = { }, {}, }; +MODULE_DEVICE_TABLE(of, bbc_beep_match); static struct platform_driver bbc_beep_driver = { .driver = { @@ -332,6 +333,7 @@ static const struct of_device_id grover_beep_match[] = { }, {}, }; +MODULE_DEVICE_TABLE(of, grover_beep_match); static struct platform_driver grover_beep_driver = { .driver = { diff --git a/kernel/drivers/input/misc/twl4030-pwrbutton.c b/kernel/drivers/input/misc/twl4030-pwrbutton.c index e98cc81a8..603fc2fad 100644 --- a/kernel/drivers/input/misc/twl4030-pwrbutton.c +++ b/kernel/drivers/input/misc/twl4030-pwrbutton.c @@ -71,7 +71,8 @@ static int twl4030_pwrbutton_probe(struct platform_device *pdev) pwr->dev.parent = &pdev->dev; err = devm_request_threaded_irq(&pwr->dev, irq, NULL, powerbutton_irq, - IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, + IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | + IRQF_ONESHOT, "twl4030_pwrbutton", pwr); if (err < 0) { dev_err(&pdev->dev, "Can't get IRQ for pwrbutton: %d\n", err); diff --git a/kernel/drivers/input/misc/twl4030-vibra.c b/kernel/drivers/input/misc/twl4030-vibra.c index fc17b9592..10c4e3d46 100644 --- a/kernel/drivers/input/misc/twl4030-vibra.c +++ b/kernel/drivers/input/misc/twl4030-vibra.c @@ -183,7 +183,8 @@ static bool twl4030_vibra_check_coexist(struct twl4030_vibra_data *pdata, if (pdata && pdata->coexist) return true; - if (of_find_node_by_name(node, "codec")) { + node = of_find_node_by_name(node, "codec"); + if (node) { of_node_put(node); return true; } diff --git a/kernel/drivers/input/misc/twl6040-vibra.c b/kernel/drivers/input/misc/twl6040-vibra.c index 0e0d094df..ea63fad48 100644 --- a/kernel/drivers/input/misc/twl6040-vibra.c +++ b/kernel/drivers/input/misc/twl6040-vibra.c @@ -308,7 +308,8 @@ static int twl6040_vibra_probe(struct platform_device *pdev) mutex_init(&info->mutex); error = devm_request_threaded_irq(&pdev->dev, info->irq, NULL, - twl6040_vib_irq_handler, 0, + twl6040_vib_irq_handler, + IRQF_ONESHOT, "twl6040_irq_vib", info); if (error) { dev_err(info->dev, "VIB IRQ request failed: %d\n", error); diff --git a/kernel/drivers/input/misc/uinput.c b/kernel/drivers/input/misc/uinput.c index 421e29e4c..5adbcedcb 100644 --- a/kernel/drivers/input/misc/uinput.c +++ b/kernel/drivers/input/misc/uinput.c @@ -320,10 +320,8 @@ static int uinput_validate_absbits(struct input_dev *dev) * Check if absmin/absmax/absfuzz/absflat are sane. */ - for (cnt = 0; cnt < ABS_CNT; cnt++) { + for_each_set_bit(cnt, dev->absbit, ABS_CNT) { int min, max; - if (!test_bit(cnt, dev->absbit)) - continue; min = input_abs_get_min(dev, cnt); max = input_abs_get_max(dev, cnt); diff --git a/kernel/drivers/input/misc/wm831x-on.c b/kernel/drivers/input/misc/wm831x-on.c index 59d4f7bcb..1b44de265 100644 --- a/kernel/drivers/input/misc/wm831x-on.c +++ b/kernel/drivers/input/misc/wm831x-on.c @@ -99,7 +99,8 @@ static int wm831x_on_probe(struct platform_device *pdev) wm831x_on->dev->dev.parent = &pdev->dev; ret = request_threaded_irq(irq, NULL, wm831x_on_irq, - IRQF_TRIGGER_RISING, "wm831x_on", + IRQF_TRIGGER_RISING | IRQF_ONESHOT, + "wm831x_on", wm831x_on); if (ret < 0) { dev_err(&pdev->dev, "Unable to request IRQ: %d\n", ret); diff --git a/kernel/drivers/input/misc/xen-kbdfront.c b/kernel/drivers/input/misc/xen-kbdfront.c index 95599e478..0a9ad2cfb 100644 --- a/kernel/drivers/input/misc/xen-kbdfront.c +++ b/kernel/drivers/input/misc/xen-kbdfront.c @@ -129,8 +129,14 @@ static int xenkbd_probe(struct xenbus_device *dev, if (xenbus_scanf(XBT_NIL, dev->otherend, "feature-abs-pointer", "%d", &abs) < 0) abs = 0; - if (abs) - xenbus_printf(XBT_NIL, dev->nodename, "request-abs-pointer", "1"); + if (abs) { + ret = xenbus_printf(XBT_NIL, dev->nodename, + "request-abs-pointer", "1"); + if (ret) { + pr_warning("xenkbd: can't request abs-pointer"); + abs = 0; + } + } /* keyboard */ kbd = input_allocate_device(); @@ -232,7 +238,7 @@ static int xenkbd_connect_backend(struct xenbus_device *dev, struct xenbus_transaction xbt; ret = gnttab_grant_foreign_access(dev->otherend_id, - virt_to_mfn(info->page), 0); + virt_to_gfn(info->page), 0); if (ret < 0) return ret; info->gref = ret; @@ -255,7 +261,7 @@ static int xenkbd_connect_backend(struct xenbus_device *dev, goto error_irqh; } ret = xenbus_printf(xbt, dev->nodename, "page-ref", "%lu", - virt_to_mfn(info->page)); + virt_to_gfn(info->page)); if (ret) goto error_xenbus; ret = xenbus_printf(xbt, dev->nodename, "page-gref", "%u", info->gref); |