diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-07-05 11:42:45 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-07-05 11:42:45 -0700 |
| commit | 1f89a590b26e34ec7c32fbafaed446e52c3d0c3f (patch) | |
| tree | a24443af508526f88321077766409866a95e3333 /drivers/input | |
| parent | da85e7ed6993144a9ca43a1106c7f898626390a3 (diff) | |
| parent | 818b26588994d9d95743fca0a427f08ec6c1c41d (diff) | |
| download | linux-1f89a590b26e34ec7c32fbafaed446e52c3d0c3f.tar.gz linux-1f89a590b26e34ec7c32fbafaed446e52c3d0c3f.tar.bz2 linux-1f89a590b26e34ec7c32fbafaed446e52c3d0c3f.zip | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- a new driver for SparkFun Qwiic Joystick
- pm8941-pwrkey driver now supports PMK8350
- a bunch of assorted driver fixes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (44 commits)
Input: joydev - prevent use of not validated data in JSIOCSBTNMAP ioctl
Input: hideep - fix the uninitialized use in hideep_nvm_unlock()
Input: trackpoint - use kobj_to_dev()
Input: atkbd - use kobj_to_dev()
Input: tsc200x-core - use kobj_to_dev()
Input: ims-pcu - use kobj_to_dev()
Input: cros_ec_keyb - use kobj_to_dev() API
dt-bindings: input: touchscreen: st1232: Convert to json-schema
Input: i8042 - fix typos in comments
Input: add SparkFun Qwiic Joystick driver
dt-bindings: Add vendor prefix and bindings for Qwiic Joystick
Input: cy8ctmg110_ts - switch to using gpiod API
Input: cy8ctmg110_ts - switch to using managed resources
Input: cy8ctmg110_ts - use endian helpers when converting data on wire
Input: cy8ctmg110_ts - let I2C core configure wake interrupt
Input: cy8ctmg110_ts - do not hardcode as wakeup source
Input: cy8ctmg110_ts - do not hard code interrupt trigger
Input: cy8ctmg110_ts - rely on platform code to supply interrupt
Input: resistive-adc-touch - fix uninitialized variable 'press'
Input: pm8941-pwrkey - add support for PMK8350 PON_HLOS PMIC peripheral
...
Diffstat (limited to 'drivers/input')
24 files changed, 537 insertions, 195 deletions
diff --git a/drivers/input/evbug.c b/drivers/input/evbug.c index c0d0b121ae7e..e47bdf92088a 100644 --- a/drivers/input/evbug.c +++ b/drivers/input/evbug.c @@ -7,9 +7,6 @@ * Input driver event debug module - dumps all events into syslog */ -/* - */ - #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/slab.h> diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c index da8963a9f044..947d440a3be6 100644 --- a/drivers/input/joydev.c +++ b/drivers/input/joydev.c @@ -499,7 +499,7 @@ static int joydev_handle_JSIOCSBTNMAP(struct joydev *joydev, memcpy(joydev->keypam, keypam, len); for (i = 0; i < joydev->nkey; i++) - joydev->keymap[keypam[i] - BTN_MISC] = i; + joydev->keymap[joydev->keypam[i] - BTN_MISC] = i; out: kfree(keypam); diff --git a/drivers/input/joystick/Kconfig b/drivers/input/joystick/Kconfig index 5e38899058c1..7dfe8ea90923 100644 --- a/drivers/input/joystick/Kconfig +++ b/drivers/input/joystick/Kconfig @@ -372,6 +372,15 @@ config JOYSTICK_PXRC To compile this driver as a module, choose M here: the module will be called pxrc. +config JOYSTICK_QWIIC + tristate "SparkFun Qwiic Joystick" + depends on I2C + help + Say Y here if you want to use the SparkFun Qwiic Joystick. + + To compile this driver as a module, choose M here: the + module will be called qwiic-joystick. + config JOYSTICK_FSIA6B tristate "FlySky FS-iA6B RC Receiver" select SERIO diff --git a/drivers/input/joystick/Makefile b/drivers/input/joystick/Makefile index 31d720c9e493..5174b8aba2dd 100644 --- a/drivers/input/joystick/Makefile +++ b/drivers/input/joystick/Makefile @@ -27,6 +27,7 @@ obj-$(CONFIG_JOYSTICK_MAPLE) += maplecontrol.o obj-$(CONFIG_JOYSTICK_N64) += n64joy.o obj-$(CONFIG_JOYSTICK_PSXPAD_SPI) += psxpad-spi.o obj-$(CONFIG_JOYSTICK_PXRC) += pxrc.o +obj-$(CONFIG_JOYSTICK_QWIIC) += qwiic-joystick.o obj-$(CONFIG_JOYSTICK_SIDEWINDER) += sidewinder.o obj-$(CONFIG_JOYSTICK_SPACEBALL) += spaceball.o obj-$(CONFIG_JOYSTICK_SPACEORB) += spaceorb.o diff --git a/drivers/input/joystick/qwiic-joystick.c b/drivers/input/joystick/qwiic-joystick.c new file mode 100644 index 000000000000..d4da31c0616c --- /dev/null +++ b/drivers/input/joystick/qwiic-joystick.c @@ -0,0 +1,146 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2021 Oleh Kravchenko <oleg@kaa.org.ua> + * + * SparkFun Qwiic Joystick + * Product page:https://www.sparkfun.com/products/15168 + * Firmware and hardware sources:https://github.com/sparkfun/Qwiic_Joystick + */ + +#include <linux/bits.h> +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/kernel.h> +#include <linux/module.h> + +#define DRV_NAME "qwiic-joystick" + +#define QWIIC_JSK_REG_VERS 1 +#define QWIIC_JSK_REG_DATA 3 + +#define QWIIC_JSK_MAX_AXIS GENMASK(9, 0) +#define QWIIC_JSK_FUZZ 2 +#define QWIIC_JSK_FLAT 2 +#define QWIIC_JSK_POLL_INTERVAL 16 +#define QWIIC_JSK_POLL_MIN 8 +#define QWIIC_JSK_POLL_MAX 32 + +struct qwiic_jsk { + char phys[32]; + struct input_dev *dev; + struct i2c_client *client; +}; + +struct qwiic_ver { + u8 major; + u8 minor; +}; + +struct qwiic_data { + __be16 x; + __be16 y; + u8 thumb; +}; + +static void qwiic_poll(struct input_dev *input) +{ + struct qwiic_jsk *priv = input_get_drvdata(input); + struct qwiic_data data; + int err; + + err = i2c_smbus_read_i2c_block_data(priv->client, QWIIC_JSK_REG_DATA, + sizeof(data), (u8 *)&data); + if (err != sizeof(data)) + return; + + input_report_abs(input, ABS_X, be16_to_cpu(data.x) >> 6); + input_report_abs(input, ABS_Y, be16_to_cpu(data.y) >> 6); + input_report_key(input, BTN_THUMBL, !data.thumb); + input_sync(input); +} + +static int qwiic_probe(struct i2c_client *client) +{ + struct qwiic_jsk *priv; + struct qwiic_ver vers; + int err; + + err = i2c_smbus_read_i2c_block_data(client, QWIIC_JSK_REG_VERS, + sizeof(vers), (u8 *)&vers); + if (err < 0) + return err; + if (err != sizeof(vers)) + return -EIO; + + dev_dbg(&client->dev, "SparkFun Qwiic Joystick, FW: %u.%u\n", + vers.major, vers.minor); + + priv = devm_kzalloc(&client->dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->client = client; + snprintf(priv->phys, sizeof(priv->phys), + "i2c/%s", dev_name(&client->dev)); + i2c_set_clientdata(client, priv); + + priv->dev = devm_input_allocate_device(&client->dev); + if (!priv->dev) + return -ENOMEM; + + priv->dev->id.bustype = BUS_I2C; + priv->dev->name = "SparkFun Qwiic Joystick"; + priv->dev->phys = priv->phys; + input_set_drvdata(priv->dev, priv); + + input_set_abs_params(priv->dev, ABS_X, 0, QWIIC_JSK_MAX_AXIS, + QWIIC_JSK_FUZZ, QWIIC_JSK_FLAT); + input_set_abs_params(priv->dev, ABS_Y, 0, QWIIC_JSK_MAX_AXIS, + QWIIC_JSK_FUZZ, QWIIC_JSK_FLAT); + input_set_capability(priv->dev, EV_KEY, BTN_THUMBL); + + err = input_setup_polling(priv->dev, qwiic_poll); + if (err) { + dev_err(&client->dev, "failed to set up polling: %d\n", err); + return err; + } + input_set_poll_interval(priv->dev, QWIIC_JSK_POLL_INTERVAL); + input_set_min_poll_interval(priv->dev, QWIIC_JSK_POLL_MIN); + input_set_max_poll_interval(priv->dev, QWIIC_JSK_POLL_MAX); + + err = input_register_device(priv->dev); + if (err) { + dev_err(&client->dev, "failed to register joystick: %d\n", err); + return err; + } + + return 0; +} + +#ifdef CONFIG_OF +static const struct of_device_id of_qwiic_match[] = { + { .compatible = "sparkfun,qwiic-joystick", }, + { }, +}; +MODULE_DEVICE_TABLE(of, of_qwiic_match); +#endif /* CONFIG_OF */ + +static const struct i2c_device_id qwiic_id_table[] = { + { KBUILD_MODNAME, 0 }, + { }, +}; +MODULE_DEVICE_TABLE(i2c, qwiic_id_table); + +static struct i2c_driver qwiic_driver = { + .driver = { + .name = DRV_NAME, + .of_match_table = of_match_ptr(of_qwiic_match), + }, + .id_table = qwiic_id_table, + .probe_new = qwiic_probe, +}; +module_i2c_driver(qwiic_driver); + +MODULE_AUTHOR("Oleh Kravchenko <oleg@kaa.org.ua>"); +MODULE_DESCRIPTION("SparkFun Qwiic Joystick driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index d69d7657ab12..29de8412e416 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -79,6 +79,7 @@ #define MAP_DPAD_TO_BUTTONS (1 << 0) #define MAP_TRIGGERS_TO_BUTTONS (1 << 1) #define MAP_STICKS_TO_NULL (1 << 2) +#define MAP_SELECT_BUTTON (1 << 3) #define DANCEPAD_MAP_CONFIG (MAP_DPAD_TO_BUTTONS | \ MAP_TRIGGERS_TO_BUTTONS | MAP_STICKS_TO_NULL) @@ -130,6 +131,7 @@ static const struct xpad_device { { 0x045e, 0x02e3, "Microsoft X-Box One Elite pad", 0, XTYPE_XBOXONE }, { 0x045e, 0x02ea, "Microsoft X-Box One S pad", 0, XTYPE_XBOXONE }, { 0x045e, 0x0719, "Xbox 360 Wireless Receiver", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W }, + { 0x045e, 0x0b12, "Microsoft Xbox One X pad", MAP_SELECT_BUTTON, XTYPE_XBOXONE }, { 0x046d, 0xc21d, "Logitech Gamepad F310", 0, XTYPE_XBOX360 }, { 0x046d, 0xc21e, "Logitech Gamepad F510", 0, XTYPE_XBOX360 }, { 0x046d, 0xc21f, "Logitech Gamepad F710", 0, XTYPE_XBOX360 }, @@ -864,6 +866,8 @@ static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char /* menu/view buttons */ input_report_key(dev, BTN_START, data[4] & 0x04); input_report_key(dev, BTN_SELECT, data[4] & 0x08); + if (xpad->mapping & MAP_SELECT_BUTTON) + input_report_key(dev, KEY_RECORD, data[22] & 0x01); /* buttons A,B,X,Y */ input_report_key(dev, BTN_A, data[4] & 0x10); @@ -1674,6 +1678,8 @@ static int xpad_init_input(struct usb_xpad *xpad) xpad->xtype == XTYPE_XBOXONE) { for (i = 0; xpad360_btn[i] >= 0; i++) input_set_capability(input_dev, EV_KEY, xpad360_btn[i]); + if (xpad->mapping & MAP_SELECT_BUTTON) + input_set_capability(input_dev, EV_KEY, KEY_RECORD); } else { for (i = 0; xpad_btn[i] >= 0; i++) input_set_capability(input_dev, EV_KEY, xpad_btn[i]); diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index edc613efc158..fbdef95291e9 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -324,7 +324,7 @@ static ssize_t atkbd_show_function_row_physmap(struct atkbd *atkbd, char *buf) static umode_t atkbd_attr_is_visible(struct kobject *kobj, struct attribute *attr, int i) { - struct device *dev = container_of(kobj, struct device, kobj); + struct device *dev = kobj_to_dev(kobj); struct serio *serio = to_serio_port(dev); struct atkbd *atkbd = serio_get_drvdata(serio); diff --git a/drivers/input/keyboard/cros_ec_keyb.c b/drivers/input/keyboard/cros_ec_keyb.c index 38457d9641bd..fc02c540636e 100644 --- a/drivers/input/keyboard/cros_ec_keyb.c +++ b/drivers/input/keyboard/cros_ec_keyb.c @@ -644,7 +644,7 @@ static umode_t cros_ec_keyb_attr_is_visible(struct kobject *kobj, struct attribute *attr, int n) { - struct device *dev = container_of(kobj, struct device, kobj); + struct device *dev = kobj_to_dev(kobj); struct cros_ec_keyb *ckdev = dev_get_drvdata(dev); if (attr == &dev_attr_function_row_physmap.attr && diff --git a/drivers/input/keyboard/hil_kbd.c b/drivers/input/keyboard/hil_kbd.c index bb29a7c9a1c0..54afb38601b9 100644 --- a/drivers/input/keyboard/hil_kbd.c +++ b/drivers/input/keyboard/hil_kbd.c @@ -512,6 +512,7 @@ static int hil_dev_connect(struct serio *serio, struct serio_driver *drv) HIL_IDD_NUM_AXES_PER_SET(*idd)) { printk(KERN_INFO PREFIX "combo devices are not supported.\n"); + error = -EINVAL; goto bail1; } diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c index 81de8c4e37d0..6f38aa23a1ff 100644 --- a/drivers/input/misc/ims-pcu.c +++ b/drivers/input/misc/ims-pcu.c @@ -647,8 +647,8 @@ static int __ims_pcu_execute_command(struct ims_pcu *pcu, #define IMS_PCU_BL_DATA_OFFSET 3 static int __ims_pcu_execute_bl_command(struct ims_pcu *pcu, - u8 command, const void *data, size_t len, - u8 expected_response, int response_time) + u8 command, const void *data, size_t len, + u8 expected_response, int response_time) { int error; @@ -1228,7 +1228,7 @@ static struct attribute *ims_pcu_attrs[] = { static umode_t ims_pcu_is_attr_visible(struct kobject *kobj, struct attribute *attr, int n) { - struct device *dev = container_of(kobj, struct device, kobj); + struct device *dev = kobj_to_dev(kobj); struct usb_interface *intf = to_usb_interface(dev); struct ims_pcu *pcu = usb_get_intfdata(intf); umode_t mode = attr->mode; diff --git a/drivers/input/misc/pm8941-pwrkey.c b/drivers/input/misc/pm8941-pwrkey.c index cf8104454e74..10e3fc0eac6e 100644 --- a/drivers/input/misc/pm8941-pwrkey.c +++ b/drivers/input/misc/pm8941-pwrkey.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved. + * Copyright (c) 2010-2011, 2020-2021, The Linux Foundation. All rights reserved. * Copyright (c) 2014, Sony Mobile Communications Inc. */ @@ -22,6 +22,8 @@ #define PON_RT_STS 0x10 #define PON_KPDPWR_N_SET BIT(0) #define PON_RESIN_N_SET BIT(1) +#define PON_GEN3_RESIN_N_SET BIT(6) +#define PON_GEN3_KPDPWR_N_SET BIT(7) #define PON_PS_HOLD_RST_CTL 0x5a #define PON_PS_HOLD_RST_CTL2 0x5b @@ -38,8 +40,12 @@ #define PON_DBC_DELAY_MASK 0x7 struct pm8941_data { - unsigned int pull_up_bit; - unsigned int status_bit; + unsigned int pull_up_bit; + unsigned int status_bit; + bool supports_ps_hold_poff_config; + bool supports_debounce_config; + const char *name; + const char *phys; }; struct pm8941_pwrkey { @@ -231,34 +237,40 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev) input_set_capability(pwrkey->input, EV_KEY, pwrkey->code); - pwrkey->input->name = "pm8941_pwrkey"; - pwrkey->input->phys = "pm8941_pwrkey/input0"; - - req_delay = (req_delay << 6) / USEC_PER_SEC; - req_delay = ilog2(req_delay); - - error = regmap_update_bits(pwrkey->regmap, - pwrkey->baseaddr + PON_DBC_CTL, - PON_DBC_DELAY_MASK, - req_delay); - if (error) { - dev_err(&pdev->dev, "failed to set debounce: %d\n", error); - return error; + pwrkey->input->name = pwrkey->data->name; + pwrkey->input->phys = pwrkey->data->phys; + + if (pwrkey->data->supports_debounce_config) { + req_delay = (req_delay << 6) / USEC_PER_SEC; + req_delay = ilog2(req_delay); + + error = regmap_update_bits(pwrkey->regmap, + pwrkey->baseaddr + PON_DBC_CTL, + PON_DBC_DELAY_MASK, + req_delay); + if (error) { + dev_err(&pdev->dev, "failed to set debounce: %d\n", + error); + return error; + } } - error = regmap_update_bits(pwrkey->regmap, - pwrkey->baseaddr + PON_PULL_CTL, - pwrkey->data->pull_up_bit, - pull_up ? pwrkey->data->pull_up_bit : 0); - if (error) { - dev_err(&pdev->dev, "failed to set pull: %d\n", error); - return error; + if (pwrkey->data->pull_up_bit) { + error = regmap_update_bits(pwrkey->regmap, + pwrkey->baseaddr + PON_PULL_CTL, + pwrkey->data->pull_up_bit, + pull_up ? pwrkey->data->pull_up_bit : + 0); + if (error) { + dev_err(&pdev->dev, "failed to set pull: %d\n", error); + return error; + } } error = devm_request_threaded_irq(&pdev->dev, pwrkey->irq, NULL, pm8941_pwrkey_irq, IRQF_ONESHOT, - "pm8941_pwrkey", pwrkey); + pwrkey->data->name, pwrkey); if (error) { dev_err(&pdev->dev, "failed requesting IRQ: %d\n", error); return error; @@ -271,12 +283,14 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev) return error; } - pwrkey->reboot_notifier.notifier_call = pm8941_reboot_notify, - error = register_reboot_notifier(&pwrkey->reboot_notifier); - if (error) { - dev_err(&pdev->dev, "failed to register reboot notifier: %d\n", - error); - return error; + if (pwrkey->data->supports_ps_hold_poff_config) { + pwrkey->reboot_notifier.notifier_call = pm8941_reboot_notify, + error = register_reboot_notifier(&pwrkey->reboot_notifier); + if (error) { + dev_err(&pdev->dev, "failed to register reboot notifier: %d\n", + error); + return error; + } } platform_set_drvdata(pdev, pwrkey); @@ -289,7 +303,8 @@ static int pm8941_pwrkey_remove(struct platform_device *pdev) { struct pm8941_pwrkey *pwrkey = platform_get_drvdata(pdev); - unregister_reboot_notifier(&pwrkey->reboot_notifier); + if (pwrkey->data->supports_ps_hold_poff_config) + unregister_reboot_notifier(&pwrkey->reboot_notifier); return 0; } @@ -297,16 +312,42 @@ static int pm8941_pwrkey_remove(struct platform_device *pdev) static const struct pm8941_data pwrkey_data = { .pull_up_bit = PON_KPDPWR_PULL_UP, .status_bit = PON_KPDPWR_N_SET, + .name = "pm8941_pwrkey", + .phys = "pm8941_pwrkey/input0", + .supports_ps_hold_poff_config = true, + .supports_debounce_config = true, }; static const struct pm8941_data resin_data = { .pull_up_bit = PON_RESIN_PULL_UP, .status_bit = PON_RESIN_N_SET, + .name = "pm8941_resin", + .phys = "pm8941_resin/input0", + .supports_ps_hold_poff_config = true, + .supports_debounce_config = true, +}; + +static const struct pm8941_data pon_gen3_pwrkey_data = { + .status_bit = PON_GEN3_KPDPWR_N_SET, + .name = "pmic_pwrkey", + .phys = "pmic_pwrkey/input0", + .supports_ps_hold_poff_config = false, + .supports_debounce_config = false, +}; + +static const struct pm8941_data pon_gen3_resin_data = { + .status_bit = PON_GEN3_RESIN_N_SET, + .name = "pmic_resin", + .phys = "pmic_resin/input0", + .supports_ps_hold_poff_config = false, + .supports_debounce_config = false, }; static const struct of_device_id pm8941_pwr_key_id_table[] = { { .compatible = "qcom,pm8941-pwrkey", .data = &pwrkey_data }, { .compatible = "qcom,pm8941-resin", .data = &resin_data }, + { .compatible = "qcom,pmk8350-pwrkey", .data = &pon_gen3_pwrkey_data }, + { .compatible = "qcom,pmk8350-resin", .data = &pon_gen3_resin_data }, { } }; MODULE_DEVICE_TABLE(of, pm8941_pwr_key_id_table); diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c index ef2fa0905208..4a86b3e31d3b 100644 --- a/drivers/input/mouse/trackpoint.c +++ b/drivers/input/mouse/trackpoint.c @@ -214,7 +214,7 @@ static bool trackpoint_is_attr_available(struct psmouse *psmouse, static umode_t trackpoint_is_attr_visible(struct kobject *kobj, struct attribute *attr, int n) { - struct device *dev = container_of(kobj, struct device, kobj); + struct device *dev = kobj_to_dev(kobj); struct serio *serio = to_serio_port(dev); struct psmouse *psmouse = serio_get_drvdata(serio); diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index abae23af0791..0b9f1d0a8f8b 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -139,7 +139,7 @@ static DEFINE_SPINLOCK(i8042_lock); /* * Writers to AUX and KBD ports as well as users issuing i8042_command * directly should acquire i8042_mutex (by means of calling - * i8042_lock_chip() and i8042_unlock_ship() helpers) to ensure that + * i8042_lock_chip() and i8042_unlock_chip() helpers) to ensure that * they do not disturb each other (unfortunately in many i8042 * implementations write to one of the ports will immediately abort * command that is being processed by another port). @@ -979,7 +979,7 @@ static int i8042_controller_selftest(void) } /* - * i8042_controller init initializes the i8042 controller, and, + * i8042_controller_init initializes the i8042 controller, and, * most importantly, sets it into non-xlated mode if that's * desired. */ diff --git a/drivers/input/touchscreen/cy8ctmg110_ts.c b/drivers/input/touchscreen/cy8ctmg110_ts.c index f465bae618fe..495ef156cf43 100644 --- a/drivers/input/touchscreen/cy8ctmg110_ts.c +++ b/drivers/input/touchscreen/cy8ctmg110_ts.c @@ -7,15 +7,14 @@ * Some cleanups by Alan Cox <alan@linux.intel.com> */ -#include <linux/module.h> -#include <linux/kernel.h> +#include <linux/i2c.h> #include <linux/input.h> -#include <linux/slab.h> #include <linux/interrupt.h> -#include <linux/io.h> -#include <linux/i2c.h> -#include <linux/gpio.h> -#include <linux/input/cy8ctmg110_pdata.h> +#include <linux/gpio/consumer.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <asm/byteorder.h> #define CY8CTMG110_DRIVER_NAME "cy8ctmg110" @@ -45,18 +44,18 @@ struct cy8ctmg110 { struct input_dev *input; char phys[32]; struct i2c_client *client; - int reset_pin; - int irq_pin; + struct gpio_desc *reset_gpio; }; /* * cy8ctmg110_power is the routine that is called when touch hardware - * will powered off or on. + * is being powered off or on. When powering on this routine de-asserts + * the RESET line, when powering off reset line is asserted. */ static void cy8ctmg110_power(struct cy8ctmg110 *ts, bool poweron) { - if (ts->reset_pin) - gpio_direction_output(ts->reset_pin, 1 - poweron); + if (ts->reset_gpio) + gpiod_set_value_cansleep(ts->reset_gpio, !poweron); } static int cy8ctmg110_write_regs(struct cy8ctmg110 *tsc, unsigned char reg, @@ -112,7 +111,6 @@ static int cy8ctmg110_touch_pos(struct cy8ctmg110 *tsc) { struct input_dev *input = tsc->input; unsigned char reg_p[CY8CTMG110_REG_MAX]; - int x, y; memset(reg_p, 0, CY8CTMG110_REG_MAX); @@ -120,16 +118,15 @@ static int cy8ctmg110_touch_pos(struct cy8ctmg110 *tsc) if (cy8ctmg110_read_regs(tsc, reg_p, 9, CY8CTMG110_TOUCH_X1) != 0) return -EIO; - y = reg_p[2] << 8 | reg_p[3]; - x = reg_p[0] << 8 | reg_p[1]; - /* Number of touch */ if (reg_p[8] == 0) { input_report_key(input, BTN_TOUCH, 0); } else { input_report_key(input, BTN_TOUCH, 1); - input_report_abs(input, ABS_X, x); - input_report_abs(input, ABS_Y, y); + input_report_abs(input, ABS_X, + be16_to_cpup((__be16 *)(reg_p + 0))); + input_report_abs(input, ABS_Y, + be16_to_cpup((__be16 *)(reg_p + 2))); } input_sync(input); @@ -163,35 +160,35 @@ static irqreturn_t cy8ctmg110_irq_thread(int irq, void *dev_id) return IRQ_HANDLED; } +static void cy8ctmg110_shut_off(void *_ts) +{ + struct cy8ctmg110 *ts = _ts; + + cy8ctmg110_set_sleepmode(ts, true); + cy8ctmg110_power(ts, false); +} + static int cy8ctmg110_probe(struct i2c_client *client, const struct i2c_device_id *id) { - const struct cy8ctmg110_pdata *pdata = dev_get_platdata(&client->dev); struct cy8ctmg110 *ts; struct input_dev *input_dev; int err; - /* No pdata no way forward */ - if (pdata == NULL) { - dev_err(&client->dev, "no pdata\n"); - return -ENODEV; - } - if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_READ_WORD_DATA)) return -EIO; - ts = kzalloc(sizeof(struct cy8ctmg110), GFP_KERNEL); - input_dev = input_allocate_device(); - if (!ts || !input_dev) { - err = -ENOMEM; - goto err_free_mem; - } + ts = devm_kzalloc(&client->dev, sizeof(*ts), GFP_KERNEL); + if (!ts) + return -ENOMEM; + + input_dev = devm_input_allocate_device(&client->dev); + if (!input_dev) + return -ENOMEM; ts->client = client; ts->input = input_dev; - ts->reset_pin = pdata->reset_pin; - ts->irq_pin = pdata->irq_pin; snprintf(ts->phys, sizeof(ts->phys), "%s/input0", dev_name(&client->dev)); @@ -199,84 +196,46 @@ static int cy8ctmg110_probe(struct i2c_client *client, input_dev->name = CY8CTMG110_DRIVER_NAME " Touchscreen"; input_dev->phys = ts->phys; input_dev->id.bustype = BUS_I2C; - input_dev->dev.parent = &client->dev; - - input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); - input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); + input_set_capability(input_dev, EV_KEY, BTN_TOUCH); input_set_abs_params(input_dev, ABS_X, CY8CTMG110_X_MIN, CY8CTMG110_X_MAX, 4, 0); input_set_abs_params(input_dev, ABS_Y, CY8CTMG110_Y_MIN, CY8CTMG110_Y_MAX, 4, 0); - if (ts->reset_pin) { - err = gpio_request(ts->reset_pin, NULL); - if (err) { - dev_err(&client->dev, - "Unable to request GPIO pin %d.\n", - ts->reset_pin); - goto err_free_mem; - } + /* Request and assert reset line */ + ts->reset_gpio = devm_gpiod_get_optional(&client->dev, NULL, + GPIOD_OUT_HIGH); + if (IS_ERR(ts->reset_gpio)) { + err = PTR_ERR(ts->reset_gpio); + dev_err(&client->dev, + "Unable to request reset GPIO: %d\n", err); + return err; } cy8ctmg110_power(ts, true); cy8ctmg110_set_sleepmode(ts, false); - err = gpio_request(ts->irq_pin, "touch_irq_key"); - if (err < 0) { - dev_err(&client->dev, - "Failed to request GPIO %d, error %d\n", - ts->irq_pin, err); - goto err_shutoff_device; - } - - err = gpio_direction_input(ts->irq_pin); - if (err < 0) { - dev_err(&client->dev, - "Failed to configure input direction for GPIO %d, error %d\n", - ts->irq_pin, err); - goto err_free_irq_gpio; - } - - client->irq = gpio_to_irq(ts->irq_pin); - if (client->irq < 0) { - err = client->irq; - dev_err(&client->dev, - "Unable to get irq number for GPIO %d, error %d\n", - ts->irq_pin, err); - goto err_free_irq_gpio; - } + err = devm_add_action_or_reset(&client->dev, cy8ctmg110_shut_off, ts); + if (err) + return err; - err = request_threaded_irq(client->irq, NULL, cy8ctmg110_irq_thread, - IRQF_TRIGGER_RISING | IRQF_ONESHOT, - "touch_reset_key", ts); - if (err < 0) { + err = devm_request_threaded_irq(&client->dev, client->irq, + NULL, cy8ctmg110_irq_thread, + IRQF_ONESHOT, "touch_reset_key", ts); + if (err) { dev_err(&client->dev, "irq %d busy? error %d\n", client->irq, err); - goto err_free_irq_gpio; + return err; } err = input_register_device(input_dev); if (err) - goto err_free_irq; + return err; i2c_set_clientdata(client, ts); - device_init_wakeup(&client->dev, 1); - return 0; -err_free_irq: - free_irq(client->irq, ts); -err_free_irq_gpio: - gpio_free(ts->irq_pin); -err_shutoff_device: - cy8ctmg110_set_sleepmode(ts, true); - cy8ctmg110_power(ts, false); - if (ts->reset_pin) - gpio_free(ts->reset_pin); -err_free_mem: - input_free_device(input_dev); - kfree(ts); - return err; + return 0; } static int __maybe_unused cy8ctmg110_suspend(struct device *dev) @@ -284,12 +243,11 @@ static int __maybe_unused cy8ctmg110_suspend(struct device *dev) struct i2c_client *client = to_i2c_client(dev); struct cy8ctmg110 *ts = i2c_get_clientdata(client); - if (device_may_wakeup(&client->dev)) - enable_irq_wake(client->irq); - else { + if (!device_may_wakeup(&client->dev)) { cy8ctmg110_set_sleepmode(ts, true); cy8ctmg110_power(ts, false); } + return 0; } @@ -298,34 +256,16 @@ static int __maybe_unused cy8ctmg110_resume(struct device *dev) struct i2c_client *client = to_i2c_client(dev); struct cy8ctmg110 *ts = i2c_get_clientdata(client); - if (device_may_wakeup(&client->dev)) - disable_irq_wake(client->irq); - else { + if (!device_may_wakeup(&client->dev)) { cy8ctmg110_power(ts, true); cy8ctmg110_set_sleepmode(ts, false); } + return 0; } static SIMPLE_DEV_PM_OPS(cy8ctmg110_pm, cy8ctmg110_suspend, cy8ctmg110_resume); -static int cy8ctmg110_remove(struct i2c_client *client) -{ - struct cy8ctmg110 *ts = i2c_get_clientdata(client); - - cy8ctmg110_set_sleepmode(ts, true); - cy8ctmg110_power(ts, false); - |
