diff options
Diffstat (limited to 'drivers/input')
25 files changed, 913 insertions, 343 deletions
diff --git a/drivers/input/Makefile b/drivers/input/Makefile index 930b64d2115e..2cd6e1c9a778 100644 --- a/drivers/input/Makefile +++ b/drivers/input/Makefile @@ -7,7 +7,7 @@ obj-$(CONFIG_INPUT) += input-core.o input-core-y := input.o input-compat.o input-mt.o input-poller.o ff-core.o -input-core-y += touchscreen.o +input-core-y += touchscreen.o touch-overlay.o obj-$(CONFIG_INPUT_FF_MEMLESS) += ff-memless.o obj-$(CONFIG_INPUT_SPARSEKMAP) += sparse-keymap.o diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index b5cbb57ee5f6..90ff6be85cf4 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -1408,8 +1408,12 @@ static void evdev_disconnect(struct input_handle *handle) } static const struct input_device_id evdev_ids[] = { - { .driver_info = 1 }, /* Matches all devices */ - { }, /* Terminating zero entry */ + { + /* Matches all devices */ + .flags = INPUT_DEVICE_ID_MATCH_EVBIT, + .evbit = { BIT_MASK(EV_SYN) }, + }, + { } /* Terminating zero entry */ }; MODULE_DEVICE_TABLE(input, evdev_ids); diff --git a/drivers/input/input.c b/drivers/input/input.c index 44887e51e049..1da41324362b 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -971,7 +971,7 @@ static const struct input_device_id *input_match_device(struct input_handler *ha { const struct input_device_id *id; - for (id = handler->id_table; id->flags || id->driver_info; id++) { + for (id = handler->id_table; id->flags; id++) { if (input_match_device_id(dev, id) && (!handler->match || handler->match(handler, dev))) { return id; diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index 1d8c579b5433..4c94297e17e6 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -442,8 +442,8 @@ static const signed short xpad_btn[] = { /* used when dpad is mapped to buttons */ static const signed short xpad_btn_pad[] = { - BTN_TRIGGER_HAPPY1, BTN_TRIGGER_HAPPY2, /* d-pad left, right */ - BTN_TRIGGER_HAPPY3, BTN_TRIGGER_HAPPY4, /* d-pad up, down */ + BTN_DPAD_LEFT, BTN_DPAD_RIGHT, /* d-pad left, right */ + BTN_DPAD_UP, BTN_DPAD_DOWN, /* d-pad up, down */ -1 /* terminating entry */ }; @@ -479,8 +479,8 @@ static const signed short xpad_abs_triggers[] = { /* used when the controller has extra paddle buttons */ static const signed short xpad_btn_paddles[] = { - BTN_TRIGGER_HAPPY5, BTN_TRIGGER_HAPPY6, /* paddle upper right, lower right */ - BTN_TRIGGER_HAPPY7, BTN_TRIGGER_HAPPY8, /* paddle upper left, lower left */ + BTN_GRIPR, BTN_GRIPR2, /* paddle upper right, lower right */ + BTN_GRIPL, BTN_GRIPL2, /* paddle upper left, lower left */ -1 /* terminating entry */ }; @@ -840,10 +840,10 @@ static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *d /* digital pad */ if (xpad->mapping & MAP_DPAD_TO_BUTTONS) { /* dpad as buttons (left, right, up, down) */ - input_report_key(dev, BTN_TRIGGER_HAPPY1, data[2] & BIT(2)); - input_report_key(dev, BTN_TRIGGER_HAPPY2, data[2] & BIT(3)); - input_report_key(dev, BTN_TRIGGER_HAPPY3, data[2] & BIT(0)); - input_report_key(dev, BTN_TRIGGER_HAPPY4, data[2] & BIT(1)); + input_report_key(dev, BTN_DPAD_LEFT, data[2] & BIT(2)); + input_report_key(dev, BTN_DPAD_RIGHT, data[2] & BIT(3)); + input_report_key(dev, BTN_DPAD_UP, data[2] & BIT(0)); + input_report_key(dev, BTN_DPAD_DOWN, data[2] & BIT(1)); } else { input_report_abs(dev, ABS_HAT0X, !!(data[2] & 0x08) - !!(data[2] & 0x04)); @@ -891,10 +891,10 @@ static void xpad360_process_packet(struct usb_xpad *xpad, struct input_dev *dev, /* digital pad */ if (xpad->mapping & MAP_DPAD_TO_BUTTONS) { /* dpad as buttons (left, right, up, down) */ - input_report_key(dev, BTN_TRIGGER_HAPPY1, data[2] & BIT(2)); - input_report_key(dev, BTN_TRIGGER_HAPPY2, data[2] & BIT(3)); - input_report_key(dev, BTN_TRIGGER_HAPPY3, data[2] & BIT(0)); - input_report_key(dev, BTN_TRIGGER_HAPPY4, data[2] & BIT(1)); + input_report_key(dev, BTN_DPAD_LEFT, data[2] & BIT(2)); + input_report_key(dev, BTN_DPAD_RIGHT, data[2] & BIT(3)); + input_report_key(dev, BTN_DPAD_UP, data[2] & BIT(0)); + input_report_key(dev, BTN_DPAD_DOWN, data[2] & BIT(1)); } /* @@ -1075,10 +1075,10 @@ static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char data[18] = 0; /* Elite Series 2 split packet paddle bits */ - input_report_key(dev, BTN_TRIGGER_HAPPY5, data[18] & BIT(0)); - input_report_key(dev, BTN_TRIGGER_HAPPY6, data[18] & BIT(1)); - input_report_key(dev, BTN_TRIGGER_HAPPY7, data[18] & BIT(2)); - input_report_key(dev, BTN_TRIGGER_HAPPY8, data[18] & BIT(3)); + input_report_key(dev, BTN_GRIPR, data[18] & BIT(0)); + input_report_key(dev, BTN_GRIPR2, data[18] & BIT(1)); + input_report_key(dev, BTN_GRIPL, data[18] & BIT(2)); + input_report_key(dev, BTN_GRIPL2, data[18] & BIT(3)); do_sync = true; } @@ -1113,10 +1113,10 @@ static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char /* digital pad */ if (xpad->mapping & MAP_DPAD_TO_BUTTONS) { /* dpad as buttons (left, right, up, down) */ - input_report_key(dev, BTN_TRIGGER_HAPPY1, data[5] & BIT(2)); - input_report_key(dev, BTN_TRIGGER_HAPPY2, data[5] & BIT(3)); - input_report_key(dev, BTN_TRIGGER_HAPPY3, data[5] & BIT(0)); - input_report_key(dev, BTN_TRIGGER_HAPPY4, data[5] & BIT(1)); + input_report_key(dev, BTN_DPAD_LEFT, data[5] & BIT(2)); + input_report_key(dev, BTN_DPAD_RIGHT, data[5] & BIT(3)); + input_report_key(dev, BTN_DPAD_UP, data[5] & BIT(0)); + input_report_key(dev, BTN_DPAD_DOWN, data[5] & BIT(1)); } else { input_report_abs(dev, ABS_HAT0X, !!(data[5] & 0x08) - !!(data[5] & 0x04)); @@ -1175,10 +1175,10 @@ static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char data[32] = 0; /* OG Elite Series Controller paddle bits */ - input_report_key(dev, BTN_TRIGGER_HAPPY5, data[32] & BIT(1)); - input_report_key(dev, BTN_TRIGGER_HAPPY6, data[32] & BIT(3)); - input_report_key(dev, BTN_TRIGGER_HAPPY7, data[32] & BIT(0)); - input_report_key(dev, BTN_TRIGGER_HAPPY8, data[32] & BIT(2)); + input_report_key(dev, BTN_GRIPR, data[32] & BIT(1)); + input_report_key(dev, BTN_GRIPR2, data[32] & BIT(3)); + input_report_key(dev, BTN_GRIPL, data[32] & BIT(0)); + input_report_key(dev, BTN_GRIPL2, data[32] & BIT(2)); } else if (xpad->packet_type == PKT_XBE2_FW_OLD) { /* Mute paddles if controller has a custom mapping applied. * Checked by comparing the current mapping @@ -1188,10 +1188,10 @@ static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char data[18] = 0; /* Elite Series 2 4.x firmware paddle bits */ - input_report_key(dev, BTN_TRIGGER_HAPPY5, data[18] & BIT(0)); - input_report_key(dev, BTN_TRIGGER_HAPPY6, data[18] & BIT(1)); - input_report_key(dev, BTN_TRIGGER_HAPPY7, data[18] & BIT(2)); - input_report_key(dev, BTN_TRIGGER_HAPPY8, data[18] & BIT(3)); + input_report_key(dev, BTN_GRIPR, data[18] & BIT(0)); + input_report_key(dev, BTN_GRIPR2, data[18] & BIT(1)); + input_report_key(dev, BTN_GRIPL, data[18] & BIT(2)); + input_report_key(dev, BTN_GRIPL2, data[18] & BIT(3)); } else if (xpad->packet_type == PKT_XBE2_FW_5_EARLY) { /* Mute paddles if controller has a custom mapping applied. * Checked by comparing the current mapping @@ -1203,10 +1203,10 @@ static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char /* Elite Series 2 5.x firmware paddle bits * (before the packet was split) */ - input_report_key(dev, BTN_TRIGGER_HAPPY5, data[22] & BIT(0)); - input_report_key(dev, BTN_TRIGGER_HAPPY6, data[22] & BIT(1)); - input_report_key(dev, BTN_TRIGGER_HAPPY7, data[22] & BIT(2)); - input_report_key(dev, BTN_TRIGGER_HAPPY8, data[22] & BIT(3)); + input_report_key(dev, BTN_GRIPR, data[22] & BIT(0)); + input_report_key(dev, BTN_GRIPR2, data[22] & BIT(1)); + input_report_key(dev, BTN_GRIPL, data[22] & BIT(2)); + input_report_key(dev, BTN_GRIPL2, data[22] & BIT(3)); } } diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c index dc734974ce06..2b2aca08423a 100644 --- a/drivers/input/keyboard/adp5588-keys.c +++ b/drivers/input/keyboard/adp5588-keys.c @@ -232,8 +232,8 @@ static int adp5588_gpio_get_value(struct gpio_chip *chip, unsigned int off) return !!(val & bit); } -static void adp5588_gpio_set_value(struct gpio_chip *chip, - unsigned int off, int val) +static int adp5588_gpio_set_value(struct gpio_chip *chip, unsigned int off, + int val) { struct adp5588_kpad *kpad = gpiochip_get_data(chip); unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]); @@ -246,7 +246,8 @@ static void adp5588_gpio_set_value(struct gpio_chip *chip, else kpad->dat_out[bank] &= ~bit; - adp5588_write(kpad->client, GPIO_DAT_OUT1 + bank, kpad->dat_out[bank]); + return adp5588_write(kpad->client, GPIO_DAT_OUT1 + bank, + kpad->dat_out[bank]); } static int adp5588_gpio_set_config(struct gpio_chip *chip, unsigned int off, @@ -424,7 +425,7 @@ static int adp5588_gpio_add(struct adp5588_kpad *kpad) kpad->gc.direction_input = adp5588_gpio_direction_input; kpad->gc.direction_output = adp5588_gpio_direction_output; kpad->gc.get = adp5588_gpio_get_value; - kpad->gc.set = adp5588_gpio_set_value; + kpad->gc.set_rv = adp5588_gpio_set_value; kpad->gc.set_config = adp5588_gpio_set_config; kpad->gc.can_sleep = 1; diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index c9e1127578b9..6c999d89ee4b 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -84,12 +84,12 @@ static const unsigned short atkbd_set2_keycode[ATKBD_KEYMAP_SIZE] = { #include "hpps2atkbd.h" /* include the keyboard scancodes */ #else - 0, 67, 65, 63, 61, 59, 60, 88, 0, 68, 66, 64, 62, 15, 41,117, - 0, 56, 42, 93, 29, 16, 2, 0, 0, 0, 44, 31, 30, 17, 3, 0, - 0, 46, 45, 32, 18, 5, 4, 95, 0, 57, 47, 33, 20, 19, 6,183, - 0, 49, 48, 35, 34, 21, 7,184, 0, 0, 50, 36, 22, 8, 9,185, - 0, 51, 37, 23, 24, 11, 10, 0, 0, 52, 53, 38, 39, 25, 12, 0, - 0, 89, 40, 0, 26, 13, 0,193, 58, 54, 28, 27, 0, 43, 0, 85, + 0, 67, 65, 63, 61, 59, 60, 88,183, 68, 66, 64, 62, 15, 41,117, + 184, 56, 42, 93, 29, 16, 2, 0,185, 0, 44, 31, 30, 17, 3, 0, + 186, 46, 45, 32, 18, 5, 4, 95,187, 57, 47, 33, 20, 19, 6,183, + 188, 49, 48, 35, 34, 21, 7,184,189, 0, 50, 36, 22, 8, 9,185, + 190, 51, 37, 23, 24, 11, 10, 0,191, 52, 53, 38, 39, 25, 12, 0, + 192, 89, 40, 0, 26, 13, 0,193, 58, 54, 28, 27, 0, 43, 0,194, 0, 86, 91, 90, 92, 0, 14, 94, 0, 79,124, 75, 71,121, 0, 0, 82, 83, 80, 76, 77, 72, 1, 69, 87, 78, 81, 74, 55, 73, 70, 99, diff --git a/drivers/input/keyboard/mtk-pmic-keys.c b/drivers/input/keyboard/mtk-pmic-keys.c index 061d48350df6..50e2e792c91d 100644 --- a/drivers/input/keyboard/mtk-pmic-keys.c +++ b/drivers/input/keyboard/mtk-pmic-keys.c @@ -12,6 +12,7 @@ #include <linux/mfd/mt6331/registers.h> #include <linux/mfd/mt6357/registers.h> #include <linux/mfd/mt6358/registers.h> +#include <linux/mfd/mt6359/registers.h> #include <linux/mfd/mt6397/core.h> #include <linux/mfd/mt6397/registers.h> #include <linux/module.h> @@ -117,6 +118,19 @@ static const struct mtk_pmic_regs mt6358_regs = { .rst_lprst_mask = MTK_PMIC_RST_DU_MASK, }; +static const struct mtk_pmic_regs mt6359_regs = { + .keys_regs[MTK_PMIC_PWRKEY_INDEX] = + MTK_PMIC_KEYS_REGS(MT6359_TOPSTATUS, + 0x2, MT6359_PSC_TOP_INT_CON0, 0x5, + MTK_PMIC_PWRKEY_RST), + .keys_regs[MTK_PMIC_HOMEKEY_INDEX] = + MTK_PMIC_KEYS_REGS(MT6359_TOPSTATUS, + 0x8, MT6359_PSC_TOP_INT_CON0, 0xa, + MTK_PMIC_HOMEKEY_RST), + .pmic_rst_reg = MT6359_TOP_RST_MISC, + .rst_lprst_mask = MTK_PMIC_RST_DU_MASK, +}; + struct mtk_pmic_keys_info { struct mtk_pmic_keys *keys; const struct mtk_pmic_keys_regs *regs; @@ -297,6 +311,9 @@ static const struct of_device_id of_mtk_pmic_keys_match_tbl[] = { .compatible = "mediatek,mt6358-keys", .data = &mt6358_regs, }, { + .compatible = "mediatek,mt6359-keys", + .data = &mt6359_regs, + }, { /* sentinel */ } }; diff --git a/drivers/input/keyboard/samsung-keypad.c b/drivers/input/keyboard/samsung-keypad.c index 9f1049aa3048..17127269e3f0 100644 --- a/drivers/input/keyboard/samsung-keypad.c +++ b/drivers/input/keyboard/samsung-keypad.c @@ -7,6 +7,7 @@ * Author: Donghwa Lee <dh09.lee@samsung.com> */ +#include <linux/bits.h> #include <linux/clk.h> #include <linux/delay.h> #include <linux/err.h> @@ -29,11 +30,11 @@ #define SAMSUNG_KEYIFFC 0x10 /* SAMSUNG_KEYIFCON */ -#define SAMSUNG_KEYIFCON_INT_F_EN (1 << 0) -#define SAMSUNG_KEYIFCON_INT_R_EN (1 << 1) -#define SAMSUNG_KEYIFCON_DF_EN (1 << 2) -#define SAMSUNG_KEYIFCON_FC_EN (1 << 3) -#define SAMSUNG_KEYIFCON_WAKEUPEN (1 << 4) +#define SAMSUNG_KEYIFCON_INT_F_EN BIT(0) +#define SAMSUNG_KEYIFCON_INT_R_EN BIT(1) +#define SAMSUNG_KEYIFCON_DF_EN BIT(2) +#define SAMSUNG_KEYIFCON_FC_EN BIT(3) +#define SAMSUNG_KEYIFCON_WAKEUPEN BIT(4) /* SAMSUNG_KEYIFSTSCLR */ #define SAMSUNG_KEYIFSTSCLR_P_INT_MASK (0xff << 0) @@ -44,8 +45,7 @@ #define S5PV210_KEYIFSTSCLR_R_INT_OFFSET 16 /* SAMSUNG_KEYIFCOL */ -#define SAMSUNG_KEYIFCOL_MASK (0xff << 0) -#define S5PV210_KEYIFCOLEN_MASK (0xff << 8) +#define SAMSUNG_KEYIFCOL_MASK 0xff /* SAMSUNG_KEYIFROW */ #define SAMSUNG_KEYIFROW_MASK (0xff << 0) @@ -54,12 +54,12 @@ /* SAMSUNG_KEYIFFC */ #define SAMSUNG_KEYIFFC_MASK (0x3ff << 0) -enum samsung_keypad_type { - KEYPAD_TYPE_SAMSUNG, - KEYPAD_TYPE_S5PV210, +struct samsung_chip_info { + unsigned int column_shift; }; struct samsung_keypad { + const struct samsung_chip_info *chip; struct input_dev *input_dev; struct platform_device *pdev; struct clk *clk; @@ -68,7 +68,6 @@ struct samsung_keypad { bool stopped; bool wake_enabled; int irq; - enum samsung_keypad_type type; unsigned int row_shift; unsigned int rows; unsigned int cols; @@ -83,19 +82,14 @@ static void samsung_keypad_scan(struct samsung_keypad *keypad, unsigned int val; for (col = 0; col < keypad->cols; col++) { - if (keypad->type == KEYPAD_TYPE_S5PV210) { - val = S5PV210_KEYIFCOLEN_MASK; - val &= ~(1 << col) << 8; - } else { - val = SAMSUNG_KEYIFCOL_MASK; - val &= ~(1 << col); - } + val = SAMSUNG_KEYIFCOL_MASK & ~BIT(col); + val <<= keypad->chip->column_shift; writel(val, keypad->base + SAMSUNG_KEYIFCOL); mdelay(1); val = readl(keypad->base + SAMSUNG_KEYIFROW); - row_state[col] = ~val & ((1 << keypad->rows) - 1); + row_state[col] = ~val & GENMASK(keypad->rows - 1, 0); } /* KEYIFCOL reg clear */ @@ -119,10 +113,10 @@ static bool samsung_keypad_report(struct samsung_keypad *keypad, continue; for (row = 0; row < keypad->rows; row++) { - if (!(changed & (1 << row))) + if (!(changed & BIT(row))) continue; - pressed = row_state[col] & (1 << row); + pressed = row_state[col] & BIT(row); dev_dbg(&keypad->input_dev->dev, "key %s, row: %d, col: %d\n", @@ -314,11 +308,11 @@ static int samsung_keypad_probe(struct platform_device *pdev) { const struct samsung_keypad_platdata *pdata; const struct matrix_keymap_data *keymap_data; + const struct platform_device_id *id; struct samsung_keypad *keypad; struct resource *res; struct input_dev *input_dev; unsigned int row_shift; - unsigned int keymap_size; int error; pdata = dev_get_platdata(&pdev->dev); @@ -345,12 +339,16 @@ static int samsung_keypad_probe(struct platform_device *pdev) pdata->cfg_gpio(pdata->rows, pdata->cols); row_shift = get_count_order(pdata->cols); - keymap_size = (pdata->rows << row_shift) * sizeof(keypad->keycodes[0]); - keypad = devm_kzalloc(&pdev->dev, sizeof(*keypad) + keymap_size, + keypad = devm_kzalloc(&pdev->dev, + struct_size(keypad, keycodes, + pdata->rows << row_shift), GFP_KERNEL); + if (!keypad) + return -ENOMEM; + input_dev = devm_input_allocate_device(&pdev->dev); - if (!keypad || !input_dev) + if (!input_dev) return -ENOMEM; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -361,18 +359,12 @@ static int samsung_keypad_probe(struct platform_device *pdev) if (!keypad->base) return -EBUSY; - keypad->clk = devm_clk_get(&pdev->dev, "keypad"); + keypad->clk = devm_clk_get_prepared(&pdev->dev, "keypad"); if (IS_ERR(keypad->clk)) { dev_err(&pdev->dev, "failed to get keypad clk\n"); return PTR_ERR(keypad->clk); } - error = clk_prepare(keypad->clk); - if (error) { - dev_err(&pdev->dev, "keypad clock prepare failed\n"); - return error; - } - keypad->input_dev = input_dev; keypad->pdev = pdev; keypad->row_shift = row_shift; @@ -381,15 +373,20 @@ static int samsung_keypad_probe(struct platform_device *pdev) keypad->stopped = true; init_waitqueue_head(&keypad->wait); - if (pdev->dev.of_node) - keypad->type = of_device_is_compatible(pdev->dev.of_node, - "samsung,s5pv210-keypad"); - else - keypad->type = platform_get_device_id(pdev)->driver_data; + keypad->chip = device_get_match_data(&pdev->dev); + if (!keypad->chip) { + id = platform_get_device_id(pdev); + if (id) + keypad->chip = (const void *)id->driver_data; + } + + if (!keypad->chip) { + dev_err(&pdev->dev, "Unable to determine chip type"); + return -EINVAL; + } input_dev->name = pdev->name; input_dev->id.bustype = BUS_HOST; - input_dev->dev.parent = &pdev->dev; input_dev->open = samsung_keypad_open; input_dev->close = samsung_keypad_close; @@ -399,7 +396,7 @@ static int samsung_keypad_probe(struct platform_device *pdev) keypad->keycodes, input_dev); if (error) { dev_err(&pdev->dev, "failed to build keymap\n"); - goto err_unprepare_clk; + return error; } input_set_capability(input_dev, EV_MSC, MSC_SCAN); @@ -411,7 +408,7 @@ static int samsung_keypad_probe(struct platform_device *pdev) keypad->irq = platform_get_irq(pdev, 0); if (keypad->irq < 0) { error = keypad->irq; - goto err_unprepare_clk; + return error; } error = devm_request_threaded_irq(&pdev->dev, keypad->irq, NULL, @@ -419,16 +416,19 @@ static int samsung_keypad_probe(struct platform_device *pdev) dev_name(&pdev->dev), keypad); if (error) { dev_err(&pdev->dev, "failed to register keypad interrupt\n"); - goto err_unprepare_clk; + return error; } device_init_wakeup(&pdev->dev, pdata->wakeup); platform_set_drvdata(pdev, keypad); - pm_runtime_enable(&pdev->dev); + + error = devm_pm_runtime_enable(&pdev->dev); + if (error) + return error; error = input_register_device(keypad->input_dev); if (error) - goto err_disable_runtime_pm; + return error; if (pdev->dev.of_node) { devm_kfree(&pdev->dev, (void *)pdata->keymap_data->keymap); @@ -436,23 +436,6 @@ static int samsung_keypad_probe(struct platform_device *pdev) devm_kfree(&pdev->dev, (void *)pdata); } return 0; - -err_disable_runtime_pm: - pm_runtime_disable(&pdev->dev); -err_unprepare_clk: - clk_unprepare(keypad->clk); - return error; -} - -static void samsung_keypad_remove(struct platform_device *pdev) -{ - struct samsung_keypad *keypad = platform_get_drvdata(pdev); - - pm_runtime_disable(&pdev->dev); - - input_unregister_device(keypad->input_dev); - - clk_unprepare(keypad->clk); } static int samsung_keypad_runtime_suspend(struct device *dev) @@ -528,15 +511,13 @@ static int samsung_keypad_suspend(struct device *dev) struct samsung_keypad *keypad = platform_get_drvdata(pdev); struct input_dev *input_dev = keypad->input_dev; - mutex_lock(&input_dev->mutex); + guard(mutex)(&input_dev->mutex); if (input_device_enabled(input_dev)) samsung_keypad_stop(keypad); samsung_keypad_toggle_wakeup(keypad, true); - mutex_unlock(&input_dev->mutex); - return 0; } @@ -546,15 +527,13 @@ static int samsung_keypad_resume(struct device *dev) struct samsung_keypad *keypad = platform_get_drvdata(pdev); struct input_dev *input_dev = keypad->input_dev; - mutex_lock(&input_dev->mutex); + guard(mutex)(&input_dev->mutex); samsung_keypad_toggle_wakeup(keypad, false); if (input_device_enabled(input_dev)) samsung_keypad_start(keypad); - mutex_unlock(&input_dev->mutex); - return 0; } @@ -564,11 +543,24 @@ static const struct dev_pm_ops samsung_keypad_pm_ops = { samsung_keypad_runtime_resume, NULL) }; +static const struct samsung_chip_info samsung_s3c6410_chip_info = { + .column_shift = 0, +}; + +static const struct samsung_chip_info samsung_s5pv210_chip_info = { + .column_shift = 8, +}; + #ifdef CONFIG_OF static const struct of_device_id samsung_keypad_dt_match[] = { - { .compatible = "samsung,s3c6410-keypad" }, - { .compatible = "samsung,s5pv210-keypad" }, - {}, + { + .compatible = "samsung,s3c6410-keypad", + .data = &samsung_s3c6410_chip_info, + }, { + .compatible = "samsung,s5pv210-keypad", + .data = &samsung_s5pv210_chip_info, + }, + { } }; MODULE_DEVICE_TABLE(of, samsung_keypad_dt_match); #endif @@ -576,18 +568,17 @@ MODULE_DEVICE_TABLE(of, samsung_keypad_dt_match); static const struct platform_device_id samsung_keypad_driver_ids[] = { { .name = "samsung-keypad", - .driver_data = KEYPAD_TYPE_SAMSUNG, + .driver_data = (kernel_ulong_t)&samsung_s3c6410_chip_info, }, { .name = "s5pv210-keypad", - .driver_data = KEYPAD_TYPE_S5PV210, + .driver_data = (kernel_ulong_t)&samsung_s5pv210_chip_info, }, - { }, + { } }; MODULE_DEVICE_TABLE(platform, samsung_keypad_driver_ids); static struct platform_driver samsung_keypad_driver = { .probe = samsung_keypad_probe, - .remove = samsung_keypad_remove, .driver = { .name = "samsung-keypad", .of_match_table = of_match_ptr(samsung_keypad_dt_match), diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index f5496ca0c0d2..0fb21c99a5e3 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -584,13 +584,6 @@ config INPUT_PALMAS_PWRBUTTON To compile this driver as a module, choose M here. The module will be called palmas_pwrbutton. -config INPUT_PCF50633_PMU - tristate "PCF50633 PMU events" - depends on MFD_PCF50633 - help - Say Y to include support for delivering PMU events via input - layer on NXP PCF50633. - config INPUT_PCF8574 tristate "PCF8574 Keypad input device" depends on I2C diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile index 6d91804d0a6f..d468c8140b93 100644 --- a/drivers/input/misc/Makefile +++ b/drivers/input/misc/Makefile @@ -59,7 +59,6 @@ obj-$(CONFIG_INPUT_MC13783_PWRBUTTON) += mc13783-pwrbutton.o obj-$(CONFIG_INPUT_MMA8450) += mma8450.o obj-$(CONFIG_INPUT_PALMAS_PWRBUTTON) += palmas-pwrbutton.o obj-$(CONFIG_INPUT_PCAP) += pcap_keys.o -obj-$(CONFIG_INPUT_PCF50633_PMU) += pcf50633-input.o obj-$(CONFIG_INPUT_PCF8574) += pcf8574_keypad.o obj-$(CONFIG_INPUT_PCSPKR) += pcspkr.o obj-$(CONFIG_INPUT_PM8941_PWRKEY) += pm8941-pwrkey.o diff --git a/drivers/input/misc/cs40l50-vibra.c b/drivers/input/misc/cs40l50-vibra.c index 330f09123631..7aa7d577e01b 100644 --- a/drivers/input/misc/cs40l50-vibra.c +++ b/drivers/input/misc/cs40l50-vibra.c @@ -482,7 +482,6 @@ static int cs40l50_erase(struct input_dev *dev, int effect_id) static void cs40l50_remove_wq(void *data) { - flush_workqueue(data); destroy_workqueue(data); } diff --git a/drivers/input/misc/max77693-haptic.c b/drivers/input/misc/max77693-haptic.c index 1dfd7b95a4ce..5d45680d74a4 100644 --- a/drivers/input/misc/max77693-haptic.c +++ b/drivers/input/misc/max77693-haptic.c @@ -68,15 +68,16 @@ struct max77693_haptic { static int max77693_haptic_set_duty_cycle(struct max77693_haptic *haptic) { - struct pwm_args pargs; - int delta; + struct pwm_state state; int error; - pwm_get_args(haptic->pwm_dev, &pargs); - delta = (pargs.period + haptic->pwm_duty) / 2; - error = pwm_config(haptic->pwm_dev, delta, pargs.period); + pwm_init_state(haptic->pwm_dev, &state); + state.duty_cycle = (state.period + haptic->pwm_duty) / 2; + + error = pwm_apply_might_sleep(haptic->pwm_dev, &state); if (error) { - dev_err(haptic->dev, "failed to configure pwm: %d\n", error); + dev_err(haptic->dev, + "failed to set pwm duty cycle: %d\n", error); return error; } @@ -166,12 +167,17 @@ static int max77693_haptic_lowsys(struct max77693_haptic *haptic, bool enable) static void max77693_haptic_enable(struct max77693_haptic *haptic) { + struct pwm_state state; int error; if (haptic->enabled) return; - error = pwm_enable(haptic->pwm_dev); + pwm_init_state(haptic->pwm_dev, &state); + state.duty_cycle = (state.period + haptic->pwm_duty) / 2; + state.enabled = true; + + error = pwm_apply_might_sleep(haptic->pwm_dev, &state); if (error) { dev_err(haptic->dev, "failed to enable haptic pwm device: %d\n", error); @@ -224,18 +230,13 @@ static void max77693_haptic_play_work(struct work_struct *work) { struct max77693_haptic *haptic = container_of(work, struct max77693_haptic, work); - int error; - - error = max77693_haptic_set_duty_cycle(haptic); - if (error) { - dev_err(haptic->dev, "failed to set duty cycle: %d\n", error); - return; - } - if (haptic->magnitude) - max77693_haptic_enable(haptic); - else + if (!haptic->magnitude) max77693_haptic_disable(haptic); + else if (haptic->enabled) + max77693_haptic_set_duty_cycle(haptic); + else + max77693_haptic_enable(haptic); } static int max77693_haptic_play_effect(struct input_dev *dev, void *data, @@ -340,12 +341,6 @@ static int max77693_haptic_probe(struct platform_device *pdev) return PTR_ERR(haptic->pwm_dev); } - /* - * FIXME: pwm_apply_args() should be removed when switching to the - * atomic PWM API. - */ - pwm_apply_args(haptic->pwm_dev); - haptic->motor_reg = devm_regulator_get(&pdev->dev, "haptic"); if (IS_ERR(haptic->motor_reg)) { dev_err(&pdev->dev, "failed to get regulator\n"); diff --git a/drivers/input/misc/max8997_haptic.c b/drivers/input/misc/max8997_haptic.c index f97f341ee0bb..d5e051a25a74 100644 --- a/drivers/input/misc/max8997_haptic.c +++ b/drivers/input/misc/max8997_haptic.c @@ -53,40 +53,30 @@ struct max8997_haptic { unsigned int pattern_signal_period; }; -static int max8997_haptic_set_duty_cycle(struct max8997_haptic *chip) +static void max8997_haptic_set_internal_duty_cycle(struct max8997_haptic *chip) { - int ret = 0; + u8 duty_index = DIV_ROUND_UP(chip->level * 64, 100); - if (chip->mode == MAX8997_EXTERNAL_MODE) { - unsigned int duty = chip->pwm_period * chip->level / 100; - ret = pwm_config(chip->pwm, duty, chip->pwm_period); - } else { - u8 duty_index = 0; - - duty_index = DIV_ROUND_UP(chip->level * 64, 100); - - switch (chip->internal_mode_pattern) { - case 0: - max8997_write_reg(chip->client, - MAX8997_HAPTIC_REG_SIGPWMDC1, duty_index); - break; - case 1: - max8997_write_reg(chip->client, - MAX8997_HAPTIC_REG_SIGPWMDC2, duty_index); - break; - case 2: - max8997_write_reg(chip->client, - MAX8997_HAPTIC_REG_SIGPWMDC3, duty_index); - break; - case 3: - max8997_write_reg(chip->client, - MAX8997_HAPTIC_REG_SIGPWMDC4, duty_index); - break; - default: - break; - } + switch (chip->internal_mode_pattern) { + case 0: + max8997_write_reg(chip->client, + MAX8997_HAPTIC_REG_SIGPWMDC1, duty_index); + break; + case 1: + max8997_write_reg(chip->client, + MAX8997_HAPTIC_REG_SIGPWMDC2, duty_index); + break; + case 2: + max8997_write_reg(chip->client, + MAX8997_HAPTIC_REG_SIGPWMDC3, duty_index); + break; + case 3: + max8997_write_reg(chip->client, + MAX8997_HAPTIC_REG_SIGPWMDC4, duty_index); + break; + default: + break; } - return ret; } static void max8997_haptic_configure(struct max8997_haptic *chip) @@ -155,11 +145,8 @@ static void max8997_haptic_enable(struct max8997_haptic *chip) guard(mutex)(&chip->mutex); - error = max8997_haptic_set_duty_cycle(chip); - if (error) { - dev_err(chip->dev, "set_pwm_cycle failed, error: %d\n", error); - return; - } + if (chip->mode != MAX8997_EXTERNAL_MODE) + max8997_haptic_set_internal_duty_cycle(chip); if (!chip->enabled) { error = regulator_enable(chip->regulator); @@ -168,16 +155,32 @@ static void max8997_haptic_enable(struct max8997_haptic *chip) return; } max8997_haptic_configure(chip); - if (chip->mode == MAX8997_EXTERNAL_MODE) { - error = pwm_enable(chip->pwm); - if (error) { - dev_err(chip->dev, "Failed to enable PWM\n"); - regulator_disable(chip->regulator); - return; - } + } + + /* + * It would be more straight forward to configure the external PWM + * earlier i.e. when the internal duty_cycle is setup in internal mode. + * But historically this is done only after the regulator was enabled + * and max8997_haptic_configure() set the enable bit in + * MAX8997_HAPTIC_REG_CONF2. So better keep it this way. + */ + if (chip->mode == MAX8997_EXTERNAL_MODE) { + struct pwm_state state; + + pwm_init_state(chip->pwm, &state); + state.period = chip->pwm_period; + state.duty_cycle = chip->pwm_period * chip->level / 100; + state.enabled = true; + + error = pwm_apply_might_sleep(chip->pwm, &state); + if (error) { + dev_err(chip->dev, "Failed to enable PWM\n"); + regulator_disable(chip->regulator); + return; } - chip->enabled = true; } + + chip->enabled = true; } static void max8997_haptic_disable(struct max8997_haptic *chip) @@ -282,11 +285,6 @@ static int max8997_haptic_probe(struct platform_device *pdev) goto err_free_mem; } - /* - * FIXME: pwm_apply_args() should be removed when switching to - * the atomic PWM API. - */ - pwm_apply_args(chip->pwm); break; default: diff --git a/drivers/input/misc/pcf50633-input.c b/drivers/input/misc/pcf50633-input.c deleted file mode 100644 index 6d046e236ba6..000000000000 --- a/drivers/input/misc/pcf50633-input.c +++ /dev/null @@ -1,113 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* NXP PCF50633 Input Driver - * - * (C) 2006-2008 by Openmoko, Inc. - * Author: Balaji Rao <balajirrao@openmoko.org> - * All rights reserved. - * - * Broken down from monstrous PCF50633 driver mainly by - * Harald Welte, Andy Green and Werner Almesberger - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/device.h> -#include <linux/platform_device.h> -#include <linux/input.h> -#include <linux/slab.h> - -#include <linux/mfd/pcf50633/core.h> - -#define PCF50633_OOCSTAT_ONKEY 0x01 -#define PCF50633_REG_OOCSTAT 0x12 -#define PCF50633_REG_OOCMODE 0x10 - -struct pcf50633_input { - struct pcf50633 *pcf; - struct input_dev *input_dev; -}; - -static void -pcf50633_input_irq(int irq, void *data) -{ - struct pcf50633_input *input; - int onkey_released; - - input = data; - - /* We report only one event depending on the key press status */ - onkey_released = pcf50633_reg_read(input->pcf, PCF50633_REG_OOCSTAT) - & PCF50633_OOCSTAT_ONKEY; - - if (irq == PCF50633_IRQ_ONKEYF && !onkey_released) - input_report_key(input->input_dev, KEY_POWER, 1); - else if (irq == PCF50633_IRQ_ONKEYR && onkey_released) - input_report_key(input->input_dev, KEY_POWER, 0); - - input_sync(input->input_dev); -} - -static int pcf50633_input_probe(struct platform_device *pdev) -{ - struct pcf50633_input *input; - struct input_dev *input_dev; - int ret; - - - input = kzalloc(sizeof(*input), GFP_KERNEL); - if (!input) - return -ENOMEM; - - input_dev = input_allocate_device(); - if (!input_dev) { - kfree(input); - return -ENOMEM; - } - - platform_set_drvdata(pdev, input); - input->pcf = dev_to_pcf50633(pdev->dev.parent); - input->input_dev = input_dev; - - input_dev->name = "PCF50633 PMU events"; - input_dev->id.bustype = BUS_I2C; - input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_PWR); - set_bit(KEY_POWER, input_dev->keybit); - - ret = input_register_device(input_dev); - if (ret) { - input_free_device(input_dev); - kfree(input); - return ret; - } - pcf50633_register_irq(input->pcf, PCF50633_IRQ_ONKEYR, - pcf50633_input_irq, input); - pcf50633_register_irq(input->pcf, PCF50633_IRQ_ONKEYF, - pcf50633_input_irq, input); - - return 0; -} - -static void pcf50633_input_remove(struct platform_device *pdev) -{ - struct pcf50633_input *input = platform_get_drvdata(pdev); - - pcf50633_free_irq(input->pcf, PCF50633_IRQ_ONKEYR); - pcf50633_free_irq(input->pcf, PCF50633_IRQ_ONKEYF); - - input_unregister_device(input->input_dev); - kfree(input); -} - -static struct platform_driver pcf50633_input_driver = { - .driver = { - .name = "pcf50633-input", - }, - .probe = pcf50633_input_probe, - .remove = pcf50633_input_remove, -}; -module_platform_driver(pcf50633_input_driver); - -MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>"); -MODULE_DESCRIPTION("PCF50633 input driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:pcf50633-input"); diff --git a/drivers/input/rmi4/Kconfig b/drivers/input/rmi4/Kconfig index c0163b983ce6..5db58fc9e11b 100644 --- a/drivers/input/rmi4/Kconfig +++ b/drivers/input/rmi4/Kconfig @@ -82,6 +82,21 @@ config RMI4_F12 touchpads. For sensors that support relative pointing, F12 also provides mouse input. +config RMI4_F1A + bool "RMI4 Function 1A (0D pointing)" + help + Say Y here if you want to add support for RMI4 function 1A. + + Function 1A provides capacitive keys support for RMI4 devices. + +config RMI4_F21 + bool "RMI4 Function 21 (PRESSURE)" + help + Say Y here if you want to add support for RMI4 function 21. + + Function 21 provides buttons/pressure handling for RMI4 devices. + This includes support for buttons/pressure on PressurePad. + config RMI4_F30 bool "RMI4 Function 30 (GPIO LED)" help diff --git a/drivers/input/rmi4/Makefile b/drivers/input/rmi4/Makefile index 02f14c846861..35ae29f72497 100644 --- a/drivers/input/rmi4/Makefile +++ b/drivers/input/rmi4/Makefile @@ -8,6 +8,8 @@ rmi_core-$(CONFIG_RMI4_2D_SENSOR) += rmi_2d_sensor.o rmi_core-$(CONFIG_RMI4_F03) += rmi_f03.o rmi_core-$(CONFIG_RMI4_F11) += rmi_f11.o rmi_core-$(CONFIG_RMI4_F12) += rmi_f12.o +rmi_core-$(CONFIG_RMI4_F1A) += rmi_f1a.o +rmi_core-$(CONFIG_RMI4_F21) += rmi_f21.o rmi_core-$(CONFIG_RMI4_F30) += rmi_f30.o rmi_core-$(CONFIG_RMI4_F34) += rmi_f34.o rmi_f34v7.o rmi_core-$(CONFIG_RMI4_F3A) += rmi_f3a.o diff --git a/drivers/input/rmi4/rmi_bus.c b/drivers/input/rmi4/rmi_bus.c index 3aee04837205..5f98c3bcfd46 100644 --- a/drivers/input/rmi4/rmi_bus.c +++ b/drivers/input/rmi4/rmi_bus.c @@ -360,6 +360,12 @@ static struct rmi_function_handler *fn_handlers[] = { #ifdef CONFIG_RMI4_F12 &rmi_f12_handler, #endif +#ifdef CONFIG_RMI4_F1A + &rmi_f1a_handler, +#endif +#ifdef CONFIG_RMI4_F21 + &rmi_f21_handler, +#endif #ifdef CONFIG_RMI4_F30 &rmi_f30_handler, #endif diff --git a/drivers/input/rmi4/rmi_driver.h b/drivers/input/rmi4/rmi_driver.h index 3bfe9013043e..e84495caab15 100644 --- a/drivers/input/rmi4/rmi_driver.h +++ b/drivers/input/rmi4/rmi_driver.h @@ -133,6 +133,8 @@ extern struct rmi_function_handler rmi_f01_handler; extern struct rmi_function_handler rmi_f03_handler; extern struct rmi_function_handler rmi_f11_handler; extern struct rmi_function_handler rmi_f12_handler; +extern struct rmi_function_handler rmi_f1a_handler; +extern struct rmi_function_handler rmi_f21_handler; extern struct rmi_function_handler rmi_f30_handler; extern struct rmi_function_handler rmi_f34_handler; extern struct rmi_function_handler rmi_f3a_handler; diff --git a/drivers/input/rmi4/rmi_f1a.c b/drivers/input/rmi4/rmi_f1a.c new file mode 100644 index 000000000000..765e9eae4cdc --- /dev/null +++ b/drivers/input/rmi4/rmi_f1a.c @@ -0,0 +1,143 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2025 André Apitzsch <git@apitzsch.eu> + */ + +#include <linux/input.h> +#include <linux/property.h> +#include "rmi_driver.h" + +struct f1a_data { + struct input_dev *input; + + u32 *keymap; + unsigned int num_keys; +}; + +static int rmi_f1a_parse_device_properties(struct rmi_function *fn, struct f1a_data *f1a) +{ + static const char buttons_property[] = "linux,keycodes"; + struct device *dev = &fn->dev; + u32 *buttonmap; + int n_keys; + int error; + + if (!device_property_present(dev, buttons_property)) + return 0; + + n_keys = device_property_count_u32(dev, buttons_property); + if (n_keys <= 0) { + error = n_keys < 0 ? n_keys : -EINVAL; + dev_err(dev, "Invalid/malformed '%s' property: %d\n", + buttons_property, error); + return error; + } + + buttonmap = devm_kmalloc_array(dev, n_keys, sizeof(*buttonmap), + GFP_KERNEL); + if (!buttonmap) + return -ENOMEM; + + error = device_property_read_u32_array(dev, buttons_property, + buttonmap, n_keys); + if (error) { + dev_err(dev, "Failed to parse '%s' property: %d\n", + buttons_property, error); + return error; + } + + f1a->keymap = buttonmap; + f1a->num_keys = n_keys; + + return 0; +} + +static irqreturn_t rmi_f1a_attention(int irq, void *ctx) +{ + struct rmi_function *fn = ctx; + struct f1a_data *f1a = dev_get_drvdata(&fn->dev); + char button_bitmask; + int key; + int error; + + error = rmi_read_block(fn->rmi_dev, fn->fd.data_base_addr, + &button_bitmask, sizeof(button_bitmask)); + if (error) { + dev_err(&fn->dev, "Failed to read object data. Code: %d.\n", + error); + return IRQ_RETVAL(error); + } + + for (key = 0; key < f1a->num_keys; key++) + input_report_key(f1a->input, f1a->keymap[key], + button_bitmask & BIT(key)); + + return IRQ_HANDLED; +} + +static int rmi_f1a_config(struct rmi_function *fn) +{ + struct f1a_data *f1a = dev_get_drvdata(&fn->dev); + struct rmi_driver *drv = fn->rmi_dev->driver; + + if (f1a->num_keys) + drv->set_irq_bits(fn->rmi_dev, fn->irq_mask); + + return 0; +} + +static int rmi_f1a_initialize(struct rmi_function *fn, struct f1a_data *f1a) +{ + int error; + int i; + + error = rmi_f1a_parse_device_properties(fn, f1a); + if (error) + return error; + + for (i = 0; i < f1a->num_keys; i++) + input_set_capability(f1a->input, EV_KEY, f1a->keymap[i]); + + f1a->input->keycode = f1a->keymap; + f1a->input->keycodemax = f1a->num_keys; + f1a->input->keycodesize = sizeof(f1a->keymap[0]); + + return 0; +} + +static int rmi_f1a_probe(struct rmi_function *fn) +{ + struct rmi_device *rmi_dev = fn->rmi_dev; + struct rmi_driver_data *drv_data = dev_get_drvdata(&rmi_dev->dev); + struct f1a_data *f1a; + int error; + + if (!drv_data->input) { + dev_info(&fn->dev, "F1A: no input device found, ignoring\n"); + return -ENXIO; + } + + f1a = devm_kzalloc(&fn->dev, sizeof(*f1a), GFP_KERNEL); + if (!f1a) + return -ENOMEM; + + f1a->input = drv_data->input; + + error = rmi_f1a_initialize(fn, f1a); + if (error) + return error; + + dev_set_drvdata(&fn->dev, f1a); + + return 0; +} + +struct rmi_function_handler rmi_f1a_handler = { + .driver = { + .name = "rmi4_f1a", + }, + .func = 0x1a, + .probe = rmi_f1a_probe, + .config = rmi_f1a_config, + .attention = rmi_f1a_attention, +}; diff --git a/drivers/input/rmi4/rmi_f21.c b/drivers/input/rmi4/rmi_f21.c new file mode 100644 index 000000000000..e3a9dfc3f0ec --- /dev/null +++ b/drivers/input/rmi4/rmi_f21.c @@ -0,0 +1,179 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2012-2025 Synaptics Incorporated + */ + +#include <linux/bits.h> +#include <linux/dev_printk.h> +#include <linux/kernel.h> +#include <linux/rmi.h> +#include <linux/input.h> +#include <linux/slab.h> +#include "rmi_driver.h" + +#define RMI_F21_SENSOR_COUNT_MASK GENMASK(3, 0) +#define RMI_F21_FINGER_COUNT_PRESENT BIT(5) +#define RMI_F21_NEW_REPORT_FORMAT BIT(6) + +#define RMI_F21_FINGER_COUNT_MASK GENMASK(3, 0) + +#define RMI_F21_MAX_SENSORS 16 +#define RMI_F21_MAX_FINGERS 16 +#define RMI_F21_DATA_REGS_MAX_SIZE (RMI_F21_MAX_SENSORS * 2 + \ + RMI_F21_MAX_FINGERS * 2 + 1) + +#define RMI_F21_FORCE_CLICK_BIT BIT(0) + +#define RMI_F21_FORCEPAD_BUTTON_COUNT 1 + +struct f21_data { + struct input_dev *input; + u16 key_code; + + unsigned int attn_data_size; + unsigned int attn_data_button_offset; + + unsigned int data_reg_size; + unsigned int data_reg_button_offset; + u8 data_regs[RMI_F21_DATA_REGS_MAX_SIZE]; +}; + +static irqreturn_t rmi_f21_attention(int irq, void *ctx) +{ + struct rmi_function *fn = ctx; + struct f21_data *f21 = dev_get_drvdata(&fn->dev); + struct rmi_driver_data *drvdata = dev_get_drvdata(&fn->rmi_dev->dev); + u8 *pdata; + int error; + bool pressed; + + if (drvdata->attn_data.data) { + if (drvdata->attn_data.size < f21->attn_data_size) { + dev_warn(&fn->dev, "f21 interrupt, but data is missing\n"); + return IRQ_HANDLED; + } + + pdata = drvdata->attn_data.data + f21->attn_data_button_offset; + + drvdata->attn_data.data += f21->attn_data_size; + drvdata->attn_data.size -= f21->attn_data_size; + } else { + error = rmi_read_block(fn->rmi_dev, fn->fd.data_base_addr, + f21->data_regs, f21->data_reg_size); + if (error) { + dev_err(&fn->dev, "failed to read f21 data registers: %d\n", + error); + return IRQ_RETVAL(error); + } + + pdata = f21->data_regs + f21->data_reg_button_offset; + } + + pressed = *pdata & RMI_F21_FORCE_CLICK_BIT; + input_report_key(f21->input, f21->key_code, pressed); + + return IRQ_HANDLED; +} + +static int rmi_f21_config(struct rmi_function *fn) +{ + struct rmi_driver *drv = fn->rmi_dev->driver; + + drv->set_irq_bits(fn->rmi_dev, fn->irq_mask); + + return 0; +} + +static int rmi_f21_initialize(struct rmi_function *fn, struct f21_data *f21) +{ + struct input_dev *input = f21->input; + + f21->key_code = BTN_LEFT; + + input->keycode = &f21->key_code; + input->keycodesize = sizeof(f21->key_code); + input->keycodemax = RMI_F21_FORCEPAD_BUTTON_COUNT; + + input_set_capability(input, EV_KEY, f21->key_code); + __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); + + return 0; +} + +static int rmi_f21_probe(struct rmi_function *fn) +{ + struct rmi_device *rmi_dev = fn->rmi_dev; + struct rmi_driver_data *drv_data = dev_get_drvdata(&rmi_dev->dev); + struct f21_data *f21; + unsigned int sensor_count; + unsigned int max_fingers; + unsigned int query15_offset; + u8 query15_data; + int error; + + if (!drv_data->input) { + dev_info(&fn->dev, "f21: no input device found, ignoring\n"); + return -ENXIO; + } + + f21 = devm_kzalloc(&fn->dev, sizeof(*f21), GFP_KERNEL); + if (!f21) + return -ENOMEM; + + f21->input = drv_data->input; + + error = rmi_f21_initialize(fn, f21); + if (error) + return error; + + dev_set_drvdata(&fn->dev, f21); + + sensor_count = fn->fd.query_base_addr & RMI_F21_SENSOR_COUNT_MASK; + if (fn->fd.query_base_addr & RMI_F21_FINGER_COUNT_PRESENT) { + query15_offset = fn->fd.query_base_addr & RMI_F21_NEW_REPORT_FORMAT ? 2 : 1; + error = rmi_read_block(fn->rmi_dev, + fn->fd.query_base_addr + query15_offset, + &query15_data, sizeof(query15_data)); + if (error) + return dev_err_probe(&fn->dev, error, + "failed to read 'query15' data"); + + max_fingers = query15_data & RMI_F21_FINGER_COUNT_MASK; + } else { + max_fingers = 5; + } + + if (fn->fd.query_base_addr & RMI_F21_NEW_REPORT_FORMAT) { + /* Each finger uses one byte, and the button state uses one byte.*/ + f21->attn_data_size = max_fingers + 1; + f21->attn_data_button_offset = f21->attn_data_size - 1; + /* + * Each sensor uses two bytes, the button state uses one byte, + * and each finger uses two bytes. + */ + f21->data_reg_size = sensor_count * 2 + 1 + max_fingers * 2; + f21->data_reg_button_offset = sensor_count * 2; + } else { + /* + * Regardless of the transport each finger uses two bytes, + * and the button state uses one byte. + */ + f21->attn_data_size = sensor_count * 2 + 1; + f21->attn_data_button_offset = sensor_count * 2; + + f21->data_reg_size = f21->attn_data_size; + f21->data_reg_button_offset = f21->attn_data_button_offset; + } + + return 0; +} + +struct rmi_function_handler rmi_f21_handler = { + .driver = { + .name = "rmi4_f21", + }, + .func = 0x21, + .probe = rmi_f21_probe, + .config = rmi_f21_config, + .attention = rmi_f21_attention, +}; diff --git a/drivers/input/touch-overlay.c b/drivers/input/touch-overlay.c new file mode 100644 index 000000000000..8806373f7a4a --- /dev/null +++ b/drivers/input/touch-overlay.c @@ -0,0 +1,277 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Helper functions for overlay objects on touchscreens + * + * Copyright (c) 2023 Javier Carrasco <javier.carrasco@wolfvision.net> + */ + +#include <linux/input.h> +#include <linux/input/mt.h> +#include <linux/input/touch-overlay.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/property.h> + +struct touch_overlay_segment { + struct list_head list; + u32 x_origin; + u32 y_origin; + u32 x_size; + u32 y_size; + u32 key; + bool pressed; + int slot; +}; + +static int touch_overlay_get_segment(struct fwnode_handle *segment_node, + struct touch_overlay_segment *segment, + struct input_dev *input) +{ + int error; + + error = fwnode_property_read_u32(segment_node, "x-origin", + &segment->x_origin); + if (error) + return error; + + error = fwnode_property_read_u32(segment_node, "y-origin", + &segment->y_origin); + if (error) + return error; + + error = fwnode_property_read_u32(segment_node, "x-size", + &segment->x_size); + if (error) + return error; + + error = fwnode_property_read_u32(segment_node, "y-size", + &segment->y_size); + if (error) + return error; + + error = fwnode_property_read_u32(segment_node, "linux,code", + &segment->key); + if (!error) + input_set_capability(input, EV_KEY, segment->key); + else if (error != -EINVAL) + return error; + + return 0; +} + +/** + * touch_overlay_map - map overlay objects from the device tree and set + * key capabilities if buttons are defined. + * @list: pointer to the list that will hold the segments + * @input: pointer to the already allocated input_dev + * + * Returns 0 on success and error number otherwise. + * + * If buttons are defined, key capabilities are set accordingly. + */ +int touch_overlay_map(struct list_head *list, struct input_dev *input) +{ + struct fwnode_handle *fw_segment; + struct device *dev = input->dev.parent; + struct touch_overlay_segment *segment; + int error; + + struct fwnode_handle *overlay __free(fwnode_handle) = + device_get_named_child_node(dev, "touch-overlay"); + if (!overlay) + return 0; + + fwnode_for_each_available_child_node(overlay, fw_segment) { + segment = devm_kzalloc(dev, sizeof(*segment), GFP_KERNEL); + if (!segment) { + fwnode_handle_put(fw_segment); + return -ENOMEM; + } + error = touch_overlay_get_segment(fw_segment, segment, input); + if (error) { + fwnode_handle_put(fw_segment); + return error; + } + list_add_tail(&segment->list, list); + } + + return 0; +} +EXPORT_SYMBOL(touch_overlay_map); + +/** + * touch_overlay_get_touchscreen_abs - get abs size from the touchscreen area. + * @list: pointer to the list that holds the segments + * @x: horizontal abs + * @y: vertical abs + */ +void touch_overlay_get_touchscreen_abs(struct list_head *list, u16 *x, u16 *y) +{ + struct touch_overlay_segment *segment; + struct list_head *ptr; + + list_for_each(ptr, list) { + segment = list_entry(ptr, struct touch_overlay_segment, list); + if (!segment->key) { + *x = segment->x_size - 1; + *y = segment->y_size - 1; + break; + } + } +} +EXPORT_SYMBOL(touch_overlay_get_touchscreen_abs); + +static bool touch_overlay_segment_event(struct touch_overlay_segment *seg, + struct input_mt_pos *pos) +{ + if (pos->x >= seg->x_origin && pos->x < (seg->x_origin + seg->x_size) && + pos->y >= seg->y_origin && pos->y < (seg->y_origin + seg->y_size)) + return true; + + return false; +} + +/** + * touch_overlay_mapped_touchscreen - check if a touchscreen area is mapped + * @list: pointer to the list that holds the segments + * + * Returns true if a touchscreen area is mapped or false otherwise. + */ +bool touch_overlay_mapped_touchscreen(struct list_head *list) +{ + struct touch_overlay_segment *segment; + struct list_head *ptr; + + list_for_each(ptr, list) { + segment = list_entry(ptr, struct touch_overlay_segment, list); + if (!segment->key) + return true; + } + + return false; +} +EXPORT_SYMBOL(touch_overlay_mapped_touchscreen); + +static bool touch_overlay_event_on_ts(struct list_head *list, + struct input_mt_pos *pos) +{ + struct touch_overlay_segment *segment; + struct list_head *ptr; + + list_for_each(ptr, list) { + segment = list_entry(ptr, struct touch_overlay_segment, list); + if (segment->key) + continue; + + if (touch_overlay_segment_event(segment, pos)) { + pos->x -= segment->x_origin; + pos->y -= segment->y_origin; + return true; + } + /* ignore touch events outside the defined area */ + return false; + } + + return true; +} + +static bool touch_overlay_button_event(struct input_dev *input, + struct touch_overlay_segment *segment, + struct input_mt_pos *pos, int slot) +{ + struct input_mt *mt = input->mt; + struct input_mt_slot *s = &mt->slots[slot]; + bool button_contact = touch_overlay_segment_event(segment, pos); + + if (segment->slot == slot && segment->pressed) { + /* sliding out of the button releases it */ + if (!button_contact) { + input_report_key(input, segment->key, false); + segment->pressed = false; + /* keep available for a possible touch event */ + return false; + } + /* ignore sliding on the button while pressed */ + s->frame = mt->frame; + return true; + } else if (button_contact) { + input_report_key(input, segment->key, true); + s->frame = mt->frame; + segment->slot = slot; + segment->pressed = true; + return true; + } + + return false; +} + +/** + * touch_overlay_sync_frame - update the status of the segments and report + * buttons whose tracked slot is unused. + * @list: pointer to the list that holds the segments + * @input: pointer to the input device associated to the contact + */ +void touch_overlay_sync_frame(struct list_head *list, struct input_dev *input) +{ + struct touch_overlay_segment *segment; + struct input_mt *mt = input->mt; + struct input_mt_slot *s; + struct list_head *ptr; + + list_for_each(ptr, list) { + segment = list_entry(ptr, struct touch_overlay_segment, list); + if (!segment->key) + continue; + + s = &mt->slots[segment->slot]; + if (!input_mt_is_used(mt, s) && segment->pressed) { + input_report_key(input, segment->key, false); + segment->pressed = false; + } + } +} +EXPORT_SYMBOL(touch_overlay_sync_frame); + +/** + * touch_overlay_process_contact - process contacts according to the overlay + * mapping. This function acts as a filter to release the calling driver + * from the contacts that are either related to overlay buttons or out of the + * overlay touchscreen area, if defined. + * @list: pointer to the list that holds the segments + * @input: pointer to the input device associated to the contact + * @pos: pointer to the contact position + * @slot: slot associated to the contact (0 if multitouch is not supported) + * + * Returns true if the contact was processed (reported for valid key events + * and dropped for contacts outside the overlay touchscreen area) or false + * if the contact must be processed by the caller. In that case this function + * shifts the (x,y) coordinates to the overlay touchscreen axis if required. + */ +bool touch_overlay_process_contact(struct list_head *list, + struct input_dev *input, + struct input_mt_pos *pos, int slot) +{ + struct touch_overlay_segment *segment; + struct list_head *ptr; + + /* + * buttons must be prioritized over overlay touchscreens to account for + * overlappings e.g. a button inside the touchscreen area. + */ + list_for_each(ptr, list) { + segment = list_entry(ptr, struct touch_overlay_segment, list); + if (segment->key && + touch_overlay_button_event(input, segment, pos, slot)) + return true; + } + + /* + * valid contacts on the overlay touchscreen are left for the client + * to be processed/reported according to its (possibly) unique features. + */ + return !touch_overlay_event_on_ts(list, pos); +} +EXPORT_SYMBOL(touch_overlay_process_contact); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Helper functions for overlay objects on touch devices"); diff --git a/drivers/input/touchscreen/ad7879.c b/drivers/input/touchscreen/ad7879.c index f9db5cefb25b..d2a3a5e016b6 100644 --- a/drivers/input/touchscreen/ad7879.c +++ b/drivers/input/touchscreen/ad7879.c @@ -444,10 +444,11 @@ static int ad7879_gpio_get_value(struct gpio_chip *chip, unsigned gpio) return !!(val & AD7879_GPIO_DATA); } -static void ad7879_gpio_set_value(struct gpio_chip *chip, - unsigned gpio, int value) +static int ad7879_gpio_set_value(struct gpio_chip *chip, unsigned int gpio, + int value) { struct ad7879 *ts = gpiochip_get_data(chip); + int ret; mutex_lock(&ts->mutex); if (value) @@ -455,8 +456,10 @@ static void ad7879_gpio_set_value(struct gpio_chip *chip, else ts->cmd_crtl2 &= ~AD7879_GPIO_DATA; - ad7879_write(ts, AD7879_REG_CTRL2, ts->cmd_crtl2); + ret = ad7879_write(ts, AD7879_REG_CTRL2, ts->cmd_crtl2); mutex_unlock(&ts->mutex); + + return ret; } static int ad7879_gpio_add(struct ad7879 *ts) @@ -472,7 +475,7 @@ static int ad7879_gpio_add(struct ad7879 *ts) ts->gc.direction_input = ad7879_gpio_direction_input; ts->gc.direction_output = ad7879_gpio_direction_output; ts->gc.get = ad7879_gpio_get_value; - ts->gc.set = ad7879_gpio_set_value; + ts->gc.set_rv = ad7879_gpio_set_value; ts->gc.can_sleep = 1; ts->gc.base = -1; ts->gc.ngpio = 1; diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c index 0d7bf18e2508..bf498bd4dea9 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -120,7 +120,6 @@ struct edt_ft5x06_ts_data { struct regmap *regmap; #if defined(CONFIG_DEBUG_FS) - struct dentry *debug_dir; u8 *raw_buffer; size_t raw_bufsize; #endif @@ -815,23 +814,21 @@ static const struct file_operations debugfs_raw_data_fops = { .read = edt_ft5x06_debugfs_raw_data_read, }; -static void edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata, - const char *debugfs_name) +static void edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata) { - tsdata->debug_dir = debugfs_create_dir(debugfs_name, NULL); + struct dentry *debug_dir = tsdata->client->debugfs; - debugfs_create_u16("num_x", S_IRUSR, tsdata->debug_dir, &tsdata->num_x); - debugfs_create_u16("num_y", S_IRUSR, tsdata->debug_dir, &tsdata->num_y); + debugfs_create_u16("num_x", S_IRUSR, debug_dir, &tsdata->num_x); + debugfs_create_u16("num_y", S_IRUSR, debug_dir, &tsdata->num_y); debugfs_create_file("mode", S_IRUSR | S_IWUSR, - tsdata->debug_dir, tsdata, &debugfs_mode_fops); + debug_dir, tsdata, &debugfs_mode_fops); debugfs_create_file("raw_data", S_IRUSR, - tsdata->debug_dir, tsdata, &debugfs_raw_data_fops); + debug_dir, tsdata, &debugfs_raw_data_fops); } static void edt_ft5x06_ts_teardown_debugfs(struct edt_ft5x06_ts_data *tsdata) { - debugfs_remove_recursive(tsdata->debug_dir); kfree(tsdata->raw_buffer); } @@ -842,8 +839,7 @@ static int edt_ft5x06_factory_mode(struct edt_ft5x06_ts_data *tsdata) return -ENOSYS; } -static void edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata, - const char *debugfs_name) +static void edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata) { } @@ -1349,7 +1345,7 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client) if (error) return error; - edt_ft5x06_ts_prepare_debugfs(tsdata, dev_driver_string(&client->dev)); + edt_ft5x06_ts_prepare_debugfs(tsdata); dev_dbg(&client->dev, "EDT FT5x06 initialized: IRQ %d, WAKE pin %d, Reset pin %d.\n", @@ -1495,6 +1491,10 @@ static const struct edt_i2c_chip_data edt_ft8201_data = { .max_support_points = 10, }; +static const struct edt_i2c_chip_data edt_ft8716_data = { + .max_support_points = 10, +}; + static const struct edt_i2c_chip_data edt_ft8719_data = { .max_support_points = 10, }; @@ -1507,6 +1507,7 @@ static const struct i2c_device_id edt_ft5x06_ts_id[] = { /* Note no edt- prefix for compatibility with the ft6236.c driver */ { .name = "ft6236", .driver_data = (long)&edt_ft6236_data }, { .name = "ft8201", .driver_data = (long)&edt_ft8201_data }, + { .name = "ft8716", .driver_data = (long)&edt_ft8716_data }, { .name = "ft8719", .driver_data = (long)&edt_ft8719_data }, { /* sentinel */ } }; @@ -1523,6 +1524,7 @@ static const struct of_device_id edt_ft5x06_of_match[] = { /* Note focaltech vendor prefix for compatibility with ft6236.c */ { .compatible = "focaltech,ft6236", .data = &edt_ft6236_data }, { .compatible = "focaltech,ft8201", .data = &edt_ft8201_data }, + { .compatible = "focaltech,ft8716", .data = &edt_ft8716_data }, { .compatible = "focaltech,ft8719", .data = &edt_ft8719_data }, { /* sentinel */ } }; diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c index a3e8a51c9144..252dcae039f8 100644 --- a/drivers/input/touchscreen/goodix.c +++ b/drivers/input/touchscreen/goodix.c @@ -44,9 +44,11 @@ #define GOODIX_HAVE_KEY BIT(4) #define GOODIX_BUFFER_STATUS_TIMEOUT 20 -#define RESOLUTION_LOC 1 -#define MAX_CONTACTS_LOC 5 -#define TRIGGER_LOC 6 +#define RESOLUTION_LOC 1 +#define MAX_CONTACTS_LOC 5 +#define TRIGGER_LOC 6 + +#define GOODIX_POLL_INTERVAL_MS 17 /* 17ms = 60fps */ /* Our special handling for GPIO accesses through ACPI is x86 specific */ #if defined CONFIG_X86 && defined CONFIG_ACPI @@ -497,6 +499,14 @@ sync: input_sync(ts->input_dev); } +static void goodix_ts_work_i2c_poll(struct input_dev *input) +{ + struct goodix_ts_data *ts = input_get_drvdata(input); + + goodix_process_events(ts); + goodix_i2c_write_u8(ts->client, GOODIX_READ_COOR_ADDR, 0); +} + /** * goodix_ts_irq_handler - The IRQ handler * @@ -513,13 +523,29 @@ static irqreturn_t goodix_ts_irq_handler(int irq, void *dev_id) return IRQ_HANDLED; } +static void goodix_enable_irq(struct goodix_ts_data *ts) +{ + if (ts->client->irq) + enable_irq(ts->client->irq); +} + +static void goodix_disable_irq(struct goodix_ts_data *ts) +{ + if (ts->client->irq) + disable_irq(ts->client->irq); +} + static void goodix_free_irq(struct goodix_ts_data *ts) { - devm_free_irq(&ts->client->dev, ts->client->irq, ts); + if (ts->client->irq) + devm_free_irq(&ts->client->dev, ts->client->irq, ts); } static int goodix_request_irq(struct goodix_ts_data *ts) { + if (!ts->client->irq) + return 0; + return devm_request_threaded_irq(&ts->client->dev, ts->client->irq, NULL, goodix_ts_irq_handler, ts->irq_flags, ts->client->name, ts); @@ -1219,6 +1245,18 @@ retry_read_config: return error; } + input_set_drvdata(ts->input_dev, ts); + + if (!ts->client->irq) { + error = input_setup_polling(ts->input_dev, goodix_ts_work_i2c_poll); + if (error) { + dev_err(&ts->client->dev, + "could not set up polling mode, %d\n", error); + return error; + } + input_set_poll_interval(ts->input_dev, GOODIX_POLL_INTERVAL_MS); + } + error = input_register_device(ts->input_dev); if (error) { dev_err(&ts->client->dev, @@ -1422,7 +1460,7 @@ static int goodix_suspend(struct device *dev) /* We need gpio pins to suspend/resume */ if (ts->irq_pin_access_method == IRQ_PIN_ACCESS_NONE) { - disable_irq(client->irq); + goodix_disable_irq(ts); return 0; } @@ -1466,7 +1504,7 @@ static int goodix_resume(struct device *dev) int error; if (ts->irq_pin_access_method == IRQ_PIN_ACCESS_NONE) { - enable_irq(client->irq); + goodix_enable_irq(ts); return 0; } diff --git a/drivers/input/touchscreen/st1232.c b/drivers/input/touchscreen/st1232.c index 6475084aee1b..9b3901eec0a5 100644 --- a/drivers/input/touchscreen/st1232.c +++ b/drivers/input/touchscreen/st1232.c @@ -22,6 +22,7 @@ #include <linux/pm_qos.h> #include <linux/slab.h> #include <linux/types.h> +#include <linux/input/touch-overlay.h> #define ST1232_TS_NAME "st1232-ts" #define ST1633_TS_NAME "st1633-ts" @@ -57,6 +58,7 @@ struct st1232_ts_data { struct dev_pm_qos_request low_latency_req; struct gpio_desc *reset_gpio; const struct st_chip_info *chip_info; + struct list_head touch_overlay_list; int read_buf_len; u8 *read_buf; }; @@ -156,6 +158,10 @@ static int st1232_ts_parse_and_report(struct st1232_ts_data *ts) input_mt_assign_slots(input, slots, pos, n_contacts, 0); for (i = 0; i < n_contacts; i++) { + if (touch_overlay_process_contact(&ts->touch_overlay_list, + input, &pos[i], slots[i])) + continue; + input_mt_slot(input, slots[i]); input_mt_report_slot_state(input, MT_TOOL_FINGER, true); input_report_abs(input, ABS_MT_POSITION_X, pos[i].x); @@ -164,6 +170,7 @@ static int st1232_ts_parse_and_report(struct st1232_ts_data *ts) input_report_abs(input, ABS_MT_TOUCH_MAJOR, z[i]); } + touch_overlay_sync_frame(&ts->touch_overlay_list, input); input_mt_sync_frame(input); input_sync(input); @@ -292,18 +299,30 @@ static int st1232_ts_probe(struct i2c_client *client) if (error) return error; - /* Read resolution from the chip */ - error = st1232_ts_read_resolution(ts, &max_x, &max_y); - if (error) { - dev_err(&client->dev, - "Failed to read resolution: %d\n", error); - return error; - } - if (ts->chip_info->have_z) input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, ts->chip_info->max_area, 0, 0); + /* map overlay objects if defined in the device tree */ + INIT_LIST_HEAD(&ts->touch_overlay_list); + error = touch_overlay_map(&ts->touch_overlay_list, input_dev); + if (error) + return error; + + if (touch_overlay_mapped_touchscreen(&ts->touch_overlay_list)) { + /* Read resolution from the overlay touchscreen if defined */ + touch_overlay_get_touchscreen_abs(&ts->touch_overlay_list, + &max_x, &max_y); + } else { + /* Read resolution from the chip */ + error = st1232_ts_read_resolution(ts, &max_x, &max_y); + if (error) { + dev_err(&client->dev, + "Failed to read resolution: %d\n", error); + return error; + } + } + input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0, max_x, 0, 0); input_set_abs_params(input_dev, ABS_MT_POSITION_Y, |