diff options
Diffstat (limited to 'drivers/input')
122 files changed, 2145 insertions, 2140 deletions
diff --git a/drivers/input/Kconfig b/drivers/input/Kconfig index 6261874c07c9..ff8037798779 100644 --- a/drivers/input/Kconfig +++ b/drivers/input/Kconfig @@ -94,7 +94,6 @@ comment "Userland interfaces" config INPUT_MOUSEDEV tristate "Mouse interface" - default y help Say Y here if you want your mouse to be accessible as char devices 13:32+ - /dev/input/mouseX and 13:63 - /dev/input/mice as an @@ -109,7 +108,6 @@ config INPUT_MOUSEDEV config INPUT_MOUSEDEV_PSAUX bool "Provide legacy /dev/psaux device" - default y depends on INPUT_MOUSEDEV help Say Y here if you want your mouse also be accessible as char device @@ -118,7 +116,6 @@ config INPUT_MOUSEDEV_PSAUX If unsure, say Y. - config INPUT_MOUSEDEV_SCREEN_X int "Horizontal screen resolution" depends on INPUT_MOUSEDEV diff --git a/drivers/input/input.c b/drivers/input/input.c index d95c34ee5dc1..067d648028a2 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -1749,7 +1749,7 @@ static const struct dev_pm_ops input_dev_pm_ops = { }; #endif /* CONFIG_PM */ -static struct device_type input_dev_type = { +static const struct device_type input_dev_type = { .groups = input_dev_attr_groups, .release = input_dev_release, .uevent = input_dev_uevent, @@ -2091,6 +2091,12 @@ int input_register_device(struct input_dev *dev) const char *path; int error; + if (test_bit(EV_ABS, dev->evbit) && !dev->absinfo) { + dev_err(&dev->dev, + "Absolute device without dev->absinfo, refusing to register\n"); + return -EINVAL; + } + if (dev->devres_managed) { devres = devres_alloc(devm_input_device_unregister, sizeof(struct input_devres), GFP_KERNEL); diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c index abd18f31b24f..065e67bf56dd 100644 --- a/drivers/input/joydev.c +++ b/drivers/input/joydev.c @@ -87,7 +87,7 @@ static int joydev_correct(int value, struct js_corr *corr) return 0; } - return value < -32767 ? -32767 : (value > 32767 ? 32767 : value); + return clamp(value, -32767, 32767); } static void joydev_pass_event(struct joydev_client *client, @@ -187,6 +187,17 @@ static void joydev_detach_client(struct joydev *joydev, synchronize_rcu(); } +static void joydev_refresh_state(struct joydev *joydev) +{ + struct input_dev *dev = joydev->handle.dev; + int i, val; + + for (i = 0; i < joydev->nabs; i++) { + val = input_abs_get_val(dev, joydev->abspam[i]); + joydev->abs[i] = joydev_correct(val, &joydev->corr[i]); + } +} + static int joydev_open_device(struct joydev *joydev) { int retval; @@ -201,6 +212,8 @@ static int joydev_open_device(struct joydev *joydev) retval = input_open_device(&joydev->handle); if (retval) joydev->open--; + else + joydev_refresh_state(joydev); } mutex_unlock(&joydev->mutex); @@ -872,7 +885,6 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev, j = joydev->abspam[i]; if (input_abs_get_max(dev, j) == input_abs_get_min(dev, j)) { joydev->corr[i].type = JS_CORR_NONE; - joydev->abs[i] = input_abs_get_val(dev, j); continue; } joydev->corr[i].type = JS_CORR_BROKEN; @@ -887,10 +899,6 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev, if (t) { joydev->corr[i].coef[2] = (1 << 29) / t; joydev->corr[i].coef[3] = (1 << 29) / t; - - joydev->abs[i] = - joydev_correct(input_abs_get_val(dev, j), - joydev->corr + i); } } diff --git a/drivers/input/joystick/maplecontrol.c b/drivers/input/joystick/maplecontrol.c index 8aa6e4c497da..ff54e195d42c 100644 --- a/drivers/input/joystick/maplecontrol.c +++ b/drivers/input/joystick/maplecontrol.c @@ -139,7 +139,6 @@ static int probe_maple_controller(struct device *dev) idev->dev.parent = &mdev->dev; idev->name = mdev->product_name; idev->id.bustype = BUS_HOST; - input_set_drvdata(idev, pad); error = input_register_device(idev); if (error) diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index c7d5b2b643d1..155fcb3b6230 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -320,18 +320,18 @@ static struct usb_device_id xpad_table[] = { XPAD_XBOXONE_VENDOR(0x0738), /* Mad Catz FightStick TE 2 */ XPAD_XBOX360_VENDOR(0x0e6f), /* 0x0e6f X-Box 360 controllers */ XPAD_XBOXONE_VENDOR(0x0e6f), /* 0x0e6f X-Box One controllers */ + XPAD_XBOX360_VENDOR(0x0f0d), /* Hori Controllers */ + XPAD_XBOXONE_VENDOR(0x0f0d), /* Hori Controllers */ XPAD_XBOX360_VENDOR(0x12ab), /* X-Box 360 dance pads */ XPAD_XBOX360_VENDOR(0x1430), /* RedOctane X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x146b), /* BigBen Interactive Controllers */ - XPAD_XBOX360_VENDOR(0x1bad), /* Harminix Rock Band Guitar and Drums */ - XPAD_XBOX360_VENDOR(0x0f0d), /* Hori Controllers */ - XPAD_XBOXONE_VENDOR(0x0f0d), /* Hori Controllers */ - XPAD_XBOX360_VENDOR(0x1689), /* Razer Onza */ - XPAD_XBOX360_VENDOR(0x24c6), /* PowerA Controllers */ - XPAD_XBOXONE_VENDOR(0x24c6), /* PowerA Controllers */ XPAD_XBOX360_VENDOR(0x1532), /* Razer Sabertooth */ XPAD_XBOX360_VENDOR(0x15e4), /* Numark X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x162e), /* Joytech X-Box 360 controllers */ + XPAD_XBOX360_VENDOR(0x1689), /* Razer Onza */ + XPAD_XBOX360_VENDOR(0x1bad), /* Harminix Rock Band Guitar and Drums */ + XPAD_XBOX360_VENDOR(0x24c6), /* PowerA Controllers */ + XPAD_XBOXONE_VENDOR(0x24c6), /* PowerA Controllers */ { } }; @@ -389,6 +389,7 @@ struct usb_xpad { static int xpad_init_input(struct usb_xpad *xpad); static void xpad_deinit_input(struct usb_xpad *xpad); +static void xpadone_ack_mode_report(struct usb_xpad *xpad, u8 seq_num); /* * xpad_process_packet @@ -608,14 +609,36 @@ static void xpad360w_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned cha } /* - * xpadone_process_buttons + * xpadone_process_packet + * + * Completes a request by converting the data into events for the + * input subsystem. This version is for the Xbox One controller. * - * Process a button update packet from an Xbox one controller. + * The report format was gleaned from + * https://github.com/kylelemons/xbox/blob/master/xbox.go */ -static void xpadone_process_buttons(struct usb_xpad *xpad, - struct input_dev *dev, - unsigned char *data) +static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data) { + struct input_dev *dev = xpad->dev; + + /* the xbox button has its own special report */ + if (data[0] == 0X07) { + /* + * The Xbox One S controller requires these reports to be + * acked otherwise it continues sending them forever and + * won't report further mode button events. + */ + if (data[1] == 0x30) + xpadone_ack_mode_report(xpad, data[2]); + + input_report_key(dev, BTN_MODE, data[4] & 0x01); + input_sync(dev); + return; + } + /* check invalid packet */ + else if (data[0] != 0X20) + return; + /* menu/view buttons */ input_report_key(dev, BTN_START, data[4] & 0x04); input_report_key(dev, BTN_SELECT, data[4] & 0x08); @@ -678,34 +701,6 @@ static void xpadone_process_buttons(struct usb_xpad *xpad, input_sync(dev); } -/* - * xpadone_process_packet - * - * Completes a request by converting the data into events for the - * input subsystem. This version is for the Xbox One controller. - * - * The report format was gleaned from - * https://github.com/kylelemons/xbox/blob/master/xbox.go - */ - -static void xpadone_process_packet(struct usb_xpad *xpad, - u16 cmd, unsigned char *data) -{ - struct input_dev *dev = xpad->dev; - - switch (data[0]) { - case 0x20: - xpadone_process_buttons(xpad, dev, data); - break; - - case 0x07: - /* the xbox button has its own special report */ - input_report_key(dev, BTN_MODE, data[4] & 0x01); - input_sync(dev); - break; - } -} - static void xpad_irq_in(struct urb *urb) { struct usb_xpad *xpad = urb->context; @@ -850,10 +845,9 @@ static void xpad_irq_out(struct urb *urb) spin_unlock_irqrestore(&xpad->odata_lock, flags); } -static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) +static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad, + struct usb_endpoint_descriptor *ep_irq_out) { - struct usb_endpoint_descriptor *ep_irq_out; - int ep_irq_out_idx; int error; if (xpad->xtype == XTYPE_UNKNOWN) @@ -863,23 +857,17 @@ static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) xpad->odata = usb_alloc_coherent(xpad->udev, XPAD_PKT_LEN, GFP_KERNEL, &xpad->odata_dma); - if (!xpad->odata) { - error = -ENOMEM; - goto fail1; - } + if (!xpad->odata) + return -ENOMEM; spin_lock_init(&xpad->odata_lock); xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL); if (!xpad->irq_out) { error = -ENOMEM; - goto fail2; + goto err_free_coherent; } - /* Xbox One controller has in/out endpoints swapped. */ - ep_irq_out_idx = xpad->xtype == XTYPE_XBOXONE ? 0 : 1; - ep_irq_out = &intf->cur_altsetting->endpoint[ep_irq_out_idx].desc; - usb_fill_int_urb(xpad->irq_out, xpad->udev, usb_sndintpipe(xpad->udev, ep_irq_out->bEndpointAddress), xpad->odata, XPAD_PKT_LEN, @@ -889,8 +877,9 @@ static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) return 0; - fail2: usb_free_coherent(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma); - fail1: return error; +err_free_coherent: + usb_free_coherent(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma); + return error; } static void xpad_stop_output(struct usb_xpad *xpad) @@ -974,6 +963,30 @@ static int xpad_start_xbox_one(struct usb_xpad *xpad) return retval; } +static void xpadone_ack_mode_report(struct usb_xpad *xpad, u8 seq_num) +{ + unsigned long flags; + struct xpad_output_packet *packet = + &xpad->out_packets[XPAD_OUT_CMD_IDX]; + static const u8 mode_report_ack[] = { + 0x01, 0x20, 0x00, 0x09, 0x00, 0x07, 0x20, 0x02, + 0x00, 0x00, 0x00, 0x00, 0x00 + }; + + spin_lock_irqsave(&xpad->odata_lock, flags); + + packet->len = sizeof(mode_report_ack); + memcpy(packet->data, mode_report_ack, packet->len); + packet->data[2] = seq_num; + packet->pending = true; + + /* Reset the sequence so we send out the ack now */ + xpad->last_out_packet = -1; + xpad_try_sending_next_out_packet(xpad); + + spin_unlock_irqrestore(&xpad->odata_lock, flags); +} + #ifdef CONFIG_JOYSTICK_XPAD_FF static int xpad_play_effect(struct input_dev *dev, void *data, struct ff_effect *effect) { @@ -1198,6 +1211,7 @@ static int xpad_led_probe(struct usb_xpad *xpad) led_cdev = &led->led_cdev; led_cdev->name = led->name; led_cdev->brightness_set = xpad_led_set; + led_cdev->flags = LED_CORE_SUSPENDRESUME; error = led_classdev_register(&xpad->udev->dev, led_cdev); if (error) @@ -1468,8 +1482,7 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id { struct usb_device *udev = interface_to_usbdev(intf); struct usb_xpad *xpad; - struct usb_endpoint_descriptor *ep_irq_in; - int ep_irq_in_idx; + struct usb_endpoint_descriptor *ep_irq_in, *ep_irq_out; int i, error; if (intf->cur_altsetting->desc.bNumEndpoints != 2) @@ -1539,13 +1552,26 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id goto err_free_in_urb; } - error = xpad_init_output(intf, xpad); - if (error) + ep_irq_in = ep_irq_out = NULL; + + for (i = 0; i < 2; i++) { + struct usb_endpoint_descriptor *ep = + &intf->cur_altsetting->endpoint[i].desc; + + if (usb_endpoint_dir_in(ep)) + ep_irq_in = ep; + else + ep_irq_out = ep; + } + + if (!ep_irq_in || !ep_irq_out) { + error = -ENODEV; goto err_free_in_urb; + } - /* Xbox One controller has in/out endpoints swapped. */ - ep_irq_in_idx = xpad->xtype == XTYPE_XBOXONE ? 1 : 0; - ep_irq_in = &intf->cur_altsetting->endpoint[ep_irq_in_idx].desc; + error = xpad_init_output(intf, xpad, ep_irq_out); + if (error) + goto err_free_in_urb; usb_fill_int_urb(xpad->irq_in, udev, usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress), @@ -1662,8 +1688,16 @@ static int xpad_resume(struct usb_interface *intf) retval = xpad360w_start_input(xpad); } else { mutex_lock(&input->mutex); - if (input->users) + if (input->users) { retval = xpad_start_input(xpad); + } else if (xpad->xtype == XTYPE_XBOXONE) { + /* + * Even if there are no users, we'll send Xbox One pads + * the startup sequence so they don't sit there and + * blink until somebody opens the input device again. + */ + retval = xpad_start_xbox_one(xpad); + } mutex_unlock(&input->mutex); } diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index cbd75cf44739..97acd6524ad7 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -666,6 +666,17 @@ config KEYBOARD_TC3589X To compile this driver as a module, choose M here: the module will be called tc3589x-keypad. +config KEYBOARD_TM2_TOUCHKEY + tristate "TM2 touchkey support" + depends on I2C + depends on LEDS_CLASS + help + Say Y here to enable device driver for tm2-touchkey with + LED control for the Exynos5433 TM2 board. + + To compile this driver as a module, choose M here. + module will be called tm2-touchkey. + config KEYBOARD_TWL4030 tristate "TI TWL4030/TWL5030/TPS659x0 keypad support" depends on TWL4030_CORE diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile index d9f4cfcf3410..7d9acff819a7 100644 --- a/drivers/input/keyboard/Makefile +++ b/drivers/input/keyboard/Makefile @@ -61,6 +61,7 @@ obj-$(CONFIG_KEYBOARD_SUN4I_LRADC) += sun4i-lradc-keys.o obj-$(CONFIG_KEYBOARD_SUNKBD) += sunkbd.o obj-$(CONFIG_KEYBOARD_TC3589X) += tc3589x-keypad.o obj-$(CONFIG_KEYBOARD_TEGRA) += tegra-kbc.o +obj-$(CONFIG_KEYBOARD_TM2_TOUCHKEY) += tm2-touchkey.o obj-$(CONFIG_KEYBOARD_TWL4030) += twl4030_keypad.o obj-$(CONFIG_KEYBOARD_XTKBD) += xtkbd.o obj-$(CONFIG_KEYBOARD_W90P910) += w90p910_keypad.o diff --git a/drivers/input/keyboard/adc-keys.c b/drivers/input/keyboard/adc-keys.c index f8cf2ccacefd..c255af21e71a 100644 --- a/drivers/input/keyboard/adc-keys.c +++ b/drivers/input/keyboard/adc-keys.c @@ -148,8 +148,6 @@ static int adc_keys_probe(struct platform_device *pdev) if (error) return error; - platform_set_drvdata(pdev, st); - poll_dev = devm_input_allocate_polled_device(dev); if (!poll_dev) { dev_err(dev, "failed to allocate input device\n"); diff --git a/drivers/input/keyboard/adp5520-keys.c b/drivers/input/keyboard/adp5520-keys.c index db1004dad108..f0b9b37bde58 100644 --- a/drivers/input/keyboard/adp5520-keys.c +++ b/drivers/input/keyboard/adp5520-keys.c @@ -107,8 +107,6 @@ static int adp5520_keys_probe(struct platform_device *pdev) input->phys = "adp5520-keys/input0"; input->dev.parent = &pdev->dev; - input_set_drvdata(input, dev); - input->id.bustype = BUS_I2C; input->id.vendor = 0x0001; input->id.product = 0x5520; diff --git a/drivers/input/keyboard/bcm-keypad.c b/drivers/input/keyboard/bcm-keypad.c index 86a8b723ae15..e1cf63ee148f 100644 --- a/drivers/input/keyboard/bcm-keypad.c +++ b/drivers/input/keyboard/bcm-keypad.c @@ -213,7 +213,7 @@ static int bcm_kp_matrix_key_parse_dt(struct bcm_kp *kp) /* Initialize the KPCR Keypad Configuration Register */ kp->kpcr = KPCR_STATUSFILTERENABLE | KPCR_COLFILTERENABLE; - error = matrix_keypad_parse_of_params(dev, &kp->n_rows, &kp->n_cols); + error = matrix_keypad_parse_properties(dev, &kp->n_rows, &kp->n_cols); if (error) { dev_err(dev, "failed to parse kp params\n"); return error; @@ -352,8 +352,6 @@ static int bcm_kp_probe(struct platform_device *pdev) kp->input_dev = input_dev; - platform_set_drvdata(pdev, kp); - error = bcm_kp_matrix_key_parse_dt(kp); if (error) return error; diff --git a/drivers/input/keyboard/bf54x-keys.c b/drivers/input/keyboard/bf54x-keys.c index 81b07dddae86..39bcbc38997f 100644 --- a/drivers/input/keyboard/bf54x-keys.c +++ b/drivers/input/keyboard/bf54x-keys.c @@ -268,8 +268,6 @@ static int bfin_kpad_probe(struct platform_device *pdev) input->phys = "bf54x-keys/input0"; input->dev.parent = &pdev->dev; - input_set_drvdata(input, bf54x_kpad); - input->id.bustype = BUS_HOST; input->id.vendor = 0x0001; input->id.product = 0x0001; diff --git a/drivers/input/keyboard/cap11xx.c b/drivers/input/keyboard/cap11xx.c index 4401be225d64..1a1eacae3ea1 100644 --- a/drivers/input/keyboard/cap11xx.c +++ b/drivers/input/keyboard/cap11xx.c @@ -392,7 +392,6 @@ static int cap11xx_i2c_probe(struct i2c_client *i2c_client, return error; dev_info(dev, "CAP11XX detected, revision 0x%02x\n", rev); - i2c_set_clientdata(i2c_client, priv); node = dev->of_node; if (!of_property_read_u32(node, "microchip,sensor-gain", &gain32)) { diff --git a/drivers/input/keyboard/cros_ec_keyb.c b/drivers/input/keyboard/cros_ec_keyb.c index 25943e9bc8bf..6a250d65f8fe 100644 --- a/drivers/input/keyboard/cros_ec_keyb.c +++ b/drivers/input/keyboard/cros_ec_keyb.c @@ -34,6 +34,8 @@ #include <linux/mfd/cros_ec.h> #include <linux/mfd/cros_ec_commands.h> +#include <asm/unaligned.h> + /* * @rows: Number of rows in the keypad * @cols: Number of columns in the keypad @@ -43,8 +45,9 @@ * @valid_keys: bitmap of existing keys for each matrix column * @old_kb_state: bitmap of keys pressed last scan * @dev: Device pointer - * @idev: Input device * @ec: Top level ChromeOS device to use to talk to EC + * @idev: The input device for the matrix keys. + * @bs_idev: The input device for non-matrix buttons and switches (or NULL). * @notifier: interrupt event notifier for transport devices */ struct cros_ec_keyb { @@ -57,12 +60,64 @@ struct cros_ec_keyb { uint8_t *old_kb_state; struct device *dev; - struct input_dev *idev; struct cros_ec_device *ec; + + struct input_dev *idev; + struct input_dev *bs_idev; struct notifier_block notifier; }; +/** + * cros_ec_bs_map - Struct mapping Linux keycodes to EC button/switch bitmap + * #defines + * + * @ev_type: The type of the input event to generate (e.g., EV_KEY). + * @code: A linux keycode + * @bit: A #define like EC_MKBP_POWER_BUTTON or EC_MKBP_LID_OPEN + * @inverted: If the #define and EV_SW have opposite meanings, this is true. + * Only applicable to switches. + */ +struct cros_ec_bs_map { + unsigned int ev_type; + unsigned int code; + u8 bit; + bool inverted; +}; + +/* cros_ec_keyb_bs - Map EC button/switch #defines into kernel ones */ +static const struct cros_ec_bs_map cros_ec_keyb_bs[] = { + /* Buttons */ + { + .ev_type = EV_KEY, + .code = KEY_POWER, + .bit = EC_MKBP_POWER_BUTTON, + }, + { + .ev_type = EV_KEY, + .code = KEY_VOLUMEUP, + .bit = EC_MKBP_VOL_UP, + }, + { + .ev_type = EV_KEY, + .code = KEY_VOLUMEDOWN, + .bit = EC_MKBP_VOL_DOWN, + }, + + /* Switches */ + { + .ev_type = EV_SW, + .code = SW_LID, + .bit = EC_MKBP_LID_OPEN, + .inverted = true, + }, + { + .ev_type = EV_SW, + .code = SW_TABLET_MODE, + .bit = EC_MKBP_TABLET_MODE, + }, +}; + /* * Returns true when there is at least one combination of pressed keys that * results in ghosting. @@ -149,20 +204,33 @@ static void cros_ec_keyb_process(struct cros_ec_keyb *ckdev, input_sync(ckdev->idev); } -static int cros_ec_keyb_open(struct input_dev *dev) +/** + * cros_ec_keyb_report_bs - Report non-matrixed buttons or switches + * + * This takes a bitmap of buttons or switches from the EC and reports events, + * syncing at the end. + * + * @ckdev: The keyboard device. + * @ev_type: The input event type (e.g., EV_KEY). + * @mask: A bitmap of buttons from the EC. + */ +static void cros_ec_keyb_report_bs(struct cros_ec_keyb *ckdev, + unsigned int ev_type, u32 mask) + { - struct cros_ec_keyb *ckdev = input_get_drvdata(dev); + struct input_dev *idev = ckdev->bs_idev; + int i; - return blocking_notifier_chain_register(&ckdev->ec->event_notifier, - &ckdev->notifier); -} + for (i = 0; i < ARRAY_SIZE(cros_ec_keyb_bs); i++) { + const struct cros_ec_bs_map *map = &cros_ec_keyb_bs[i]; -static void cros_ec_keyb_close(struct input_dev *dev) -{ - struct cros_ec_keyb *ckdev = input_get_drvdata(dev); + if (map->ev_type != ev_type) + continue; - blocking_notifier_chain_unregister(&ckdev->ec->event_notifier, - &ckdev->notifier); + input_event(idev, ev_type, map->code, + !!(mask & BIT(map->bit)) ^ map->inverted); + } + input_sync(idev); } static int cros_ec_keyb_work(struct notifier_block *nb, @@ -170,22 +238,54 @@ static int cros_ec_keyb_work(struct notifier_block *nb, { struct cros_ec_keyb *ckdev = container_of(nb, struct cros_ec_keyb, notifier); + u32 val; + unsigned int ev_type; + + switch (ckdev->ec->event_data.event_type) { + case EC_MKBP_EVENT_KEY_MATRIX: + /* + * If EC is not the wake source, discard key state changes + * during suspend. + */ + if (queued_during_suspend) + return NOTIFY_OK; - if (ckdev->ec->event_data.event_type != EC_MKBP_EVENT_KEY_MATRIX) + if (ckdev->ec->event_size != ckdev->cols) { + dev_err(ckdev->dev, + "Discarded incomplete key matrix event.\n"); + return NOTIFY_OK; + } + cros_ec_keyb_process(ckdev, + ckdev->ec->event_data.data.key_matrix, + ckdev->ec->event_size); + break; + + case EC_MKBP_EVENT_BUTTON: + case EC_MKBP_EVENT_SWITCH: + /* + * If EC is not the wake source, discard key state + * changes during suspend. Switches will be re-checked in + * cros_ec_keyb_resume() to be sure nothing is lost. + */ + if (queued_during_suspend) + return NOTIFY_OK; + + if (ckdev->ec->event_data.event_type == EC_MKBP_EVENT_BUTTON) { + val = get_unaligned_le32( + &ckdev->ec->event_data.data.buttons); + ev_type = EV_KEY; + } else { + val = get_unaligned_le32( + &ckdev->ec->event_data.data.switches); + ev_type = EV_SW; + } + cros_ec_keyb_report_bs(ckdev, ev_type, val); + break; + + default: return NOTIFY_DONE; - /* - * If EC is not the wake source, discard key state changes during - * suspend. - */ - if (queued_during_suspend) - return NOTIFY_OK; - if (ckdev->ec->event_size != ckdev->cols) { - dev_err(ckdev->dev, - "Discarded incomplete key matrix event.\n"); - return NOTIFY_OK; } - cros_ec_keyb_process(ckdev, ckdev->ec->event_data.data.key_matrix, - ckdev->ec->event_size); + return NOTIFY_OK; } @@ -213,23 +313,229 @@ static void cros_ec_keyb_compute_valid_keys(struct cros_ec_keyb *ckdev) } } -static int cros_ec_keyb_probe(struct platform_device *pdev) +/** + * cros_ec_keyb_info - Wrap the EC command EC_CMD_MKBP_INFO + * + * This wraps the EC_CMD_MKBP_INFO, abstracting out all of the marshalling and + * unmarshalling and different version nonsense into something simple. + * + * @ec_dev: The EC device + * @info_type: Either EC_MKBP_INFO_SUPPORTED or EC_MKBP_INFO_CURRENT. + * @event_type: Either EC_MKBP_EVENT_BUTTON or EC_MKBP_EVENT_SWITCH. Actually + * in some cases this could be EC_MKBP_EVENT_KEY_MATRIX or + * EC_MKBP_EVENT_HOST_EVENT too but we don't use in this driver. + * @result: Where we'll store the result; a union + * @result_size: The size of the result. Expected to be the size of one of + * the elements in the union. + * + * Returns 0 if no error or -error upon error. + */ +static int cros_ec_keyb_info(struct cros_ec_device *ec_dev, + enum ec_mkbp_info_type info_type, + enum ec_mkbp_event event_type, + union ec_response_get_next_data *result, + size_t result_size) { - struct cros_ec_device *ec = dev_get_drvdata(pdev->dev.parent); - struct device *dev = &pdev->dev; - struct cros_ec_keyb *ckdev; + struct ec_params_mkbp_info *params; + struct cros_ec_command *msg; + int ret; + + msg = kzalloc(sizeof(*msg) + max_t(size_t, result_size, + sizeof(*params)), GFP_KERNEL); + if (!msg) + return -ENOMEM; + + msg->command = EC_CMD_MKBP_INFO; + msg->version = 1; + msg->outsize = sizeof(*params); + msg->insize = result_size; + params = (struct ec_params_mkbp_info *)msg->data; + params->info_type = info_type; + params->event_type = event_type; + + ret = cros_ec_cmd_xfer(ec_dev, msg); + if (ret < 0) { + dev_warn(ec_dev->dev, "Transfer error %d/%d: %d\n", + (int)info_type, (int)event_type, ret); + } else if (msg->result == EC_RES_INVALID_VERSION) { + /* With older ECs we just return 0 for everything */ + memset(result, 0, result_size); + ret = 0; + } else if (msg->result != EC_RES_SUCCESS) { + dev_warn(ec_dev->dev, "Error getting info %d/%d: %d\n", + (int)info_type, (int)event_type, msg->result); + ret = -EPROTO; + } else if (ret != result_size) { + dev_warn(ec_dev->dev, "Wrong size %d/%d: %d != %zu\n", + (int)info_type, (int)event_type, + ret, result_size); + ret = -EPROTO; + } else { + memcpy(result, msg->data, result_size); + ret = 0; + } + + kfree(msg); + + return ret; +} + +/** + * cros_ec_keyb_query_switches - Query the state of switches and report + * + * This will ask the EC about the current state of switches and report to the + * kernel. Note that we don't query for buttons because they are more + * transitory and we'll get an update on the next release / press. + * + * @ckdev: The keyboard device + * + * Returns 0 if no error or -error upon error. + */ +static int cros_ec_keyb_query_switches(struct cros_ec_keyb *ckdev) +{ + struct cros_ec_device *ec_dev = ckdev->ec; + union ec_response_get_next_data event_data = {}; + int ret; + + ret = cros_ec_keyb_info(ec_dev, EC_MKBP_INFO_CURRENT, + EC_MKBP_EVENT_SWITCH, &event_data, + sizeof(event_data.switches)); + if (ret) + return ret; + + cros_ec_keyb_report_bs(ckdev, EV_SW, + get_unaligned_le32(&event_data.switches)); + + return 0; +} + +/** + * cros_ec_keyb_resume - Resume the keyboard + * + * We use the resume notification as a chance to query the EC for switches. + * + * @dev: The keyboard device + * + * Returns 0 if no error or -error upon error. + */ +static __maybe_unused int cros_ec_keyb_resume(struct device *dev) +{ + struct cros_ec_keyb *ckdev = dev_get_drvdata(dev); + + if (ckdev->bs_idev) + return cros_ec_keyb_query_switches(ckdev); + + return 0; +} + +/** + * cros_ec_keyb_register_bs - Register non-matrix buttons/switches + * + * Handles all the bits of the keyboard driver related to non-matrix buttons + * and switches, including asking the EC about which are present and telling + * the kernel to expect them. + * + * If this device has no support for buttons and switches we'll return no error + * but the ckdev->bs_idev will remain NULL when this function exits. + * + * @ckdev: The keyboard device + * + * Returns 0 if no error or -error upon error. + */ +static int cros_ec_keyb_register_bs(struct cros_ec_keyb *ckdev) +{ + struct cros_ec_device *ec_dev = ckdev->ec; + struct device *dev = ckdev->dev; struct input_dev *idev; - struct device_node *np; - int err; + union ec_response_get_next_data event_data = {}; + const char *phys; + u32 buttons; + u32 switches; + int ret; + int i; + + ret = cros_ec_keyb_info(ec_dev, EC_MKBP_INFO_SUPPORTED, + EC_MKBP_EVENT_BUTTON, &event_data, + sizeof(event_data.buttons)); + if (ret) + return ret; + buttons = get_unaligned_le32(&event_data.buttons); + + ret = cros_ec_keyb_info(ec_dev, EC_MKBP_INFO_SUPPORTED, + EC_MKBP_EVENT_SWITCH, &event_data, + sizeof(event_data.switches)); + if (ret) + return ret; + switches = get_unaligned_le32(&event_data.switches); + + if (!buttons && !switches) + return 0; - np = pdev->dev.of_node; - if (!np) - return -ENODEV; + /* + * We call the non-matrix buttons/switches 'input1', if present. + * Allocate phys before input dev, to ensure correct tear-down + * ordering. + */ + phys = devm_kasprintf(dev, GFP_KERNEL, "%s/input1", ec_dev->phys_name); + if (!phys) + return -ENOMEM; - ckdev = devm_kzalloc(dev, sizeof(*ckdev), GFP_KERNEL); - if (!ckdev) + idev = devm_input_allocate_device(dev); + if (!idev) return -ENOMEM; - err = matrix_keypad_parse_of_params(dev, &ckdev->rows, &ckdev->cols); + + idev->name = "cros_ec_buttons"; + idev->phys = phys; + __set_bit(EV_REP, idev->evbit); + + idev->id.bustype = BUS_VIRTUAL; + idev->id.version = 1; + idev->id.product = 0; + idev->dev.parent = dev; + + input_set_drvdata(idev, ckdev); + ckdev->bs_idev = idev; + + for (i = 0; i < ARRAY_SIZE(cros_ec_keyb_bs); i++) { + const struct cros_ec_bs_map *map = &cros_ec_keyb_bs[i]; + + if (buttons & BIT(map->bit)) + input_set_capability(idev, map->ev_type, map->code); + } + + ret = cros_ec_keyb_query_switches(ckdev); + if (ret) { + dev_err(dev, "cannot query switches\n"); + return ret; + } + + ret = input_register_device(ckdev->bs_idev); + if (ret) { + dev_err(dev, "cannot register input device\n"); + return ret; + } + + return 0; +} + +/** + * cros_ec_keyb_register_bs - Register matrix keys + * + * Handles all the bits of the keyboard driver related to matrix keys. + * + * @ckdev: The keyboard device + * + * Returns 0 if no error or -error upon error. + */ +static int cros_ec_keyb_register_matrix(struct cros_ec_keyb *ckdev) +{ + struct cros_ec_device *ec_dev = ckdev->ec; + struct device *dev = ckdev->dev; + struct input_dev *idev; + const char *phys; + int err; + + err = matrix_keypad_parse_properties(dev, &ckdev->rows, &ckdev->cols); if (err) return err; @@ -241,27 +547,28 @@ static int cros_ec_keyb_probe(struct platform_device *pdev) if (!ckdev->old_kb_state) return -ENOMEM; + /* + * We call the keyboard matrix 'input0'. Allocate phys before input + * dev, to ensure correct tear-down ordering. + */ + phys = devm_kasprintf(dev, GFP_KERNEL, "%s/input0", ec_dev->phys_name); + if (!phys) + return -ENOMEM; + idev = devm_input_allocate_device(dev); if (!idev) return -ENOMEM; - ckdev->ec = ec; - ckdev->notifier.notifier_call = cros_ec_keyb_work; - ckdev->dev = dev; - dev_set_drvdata(dev, ckdev); - idev->name = CROS_EC_DEV_NAME; - idev->phys = ec->phys_name; + idev->phys = phys; __set_bit(EV_REP, idev->evbit); idev->id.bustype = BUS_VIRTUAL; idev->id.version = 1; idev->id.product = 0; idev->dev.parent = dev; - idev->open = cros_ec_keyb_open; - idev->close = cros_ec_keyb_close; - ckdev->ghost_filter = of_property_read_bool(np, + ckdev->ghost_filter = of_property_read_bool(dev->of_node, "google,needs-ghost-filter"); err = matrix_keypad_build_keymap(NULL, NULL, ckdev->rows, ckdev->cols, @@ -287,6 +594,57 @@ static int cros_ec_keyb_probe(struct platform_device *pdev) return 0; } +static int cros_ec_keyb_probe(struct platform_device *pdev) +{ + struct cros_ec_device *ec = dev_get_drvdata(pdev->dev.parent); + struct device *dev = &pdev->dev; + struct cros_ec_keyb *ckdev; + int err; + + if (!dev->of_node) + return -ENODEV; + + ckdev = devm_kzalloc(dev, sizeof(*ckdev), GFP_KERNEL); + if (!ckdev) + return -ENOMEM; + + ckdev->ec = ec; + ckdev->dev = dev; + dev_set_drvdata(dev, ckdev); + + err = cros_ec_keyb_register_matrix(ckdev); + if (err) { + dev_err(dev, "cannot register matrix inputs: %d\n", err); + return err; + } + + err = cros_ec_keyb_register_bs(ckdev); + if (err) { + dev_err(dev, "cannot register non-matrix inputs: %d\n", err); + return err; + } + + ckdev->notifier.notifier_call = cros_ec_keyb_work; + err = blocking_notifier_chain_register(&ckdev->ec->event_notifier, + &ckdev->notifier); + if (err) { + dev_err(dev, "cannot register notifier: %d\n", err); + return err; + } + + return 0; +} + +static int cros_ec_keyb_remove(struct platform_device *pdev) +{ + struct cros_ec_keyb *ckdev = dev_get_drvdata(&pdev->dev); + + blocking_notifier_chain_unregister(&ckdev->ec->event_notifier, + &ckdev->notifier); + + return 0; +} + #ifdef CONFIG_OF static const struct of_device_id cros_ec_keyb_of_match[] = { { .compatible = "google,cros-ec-keyb" }, @@ -295,11 +653,15 @@ static const struct of_device_id cros_ec_keyb_of_match[] = { MODULE_DEVICE_TABLE(of, cros_ec_keyb_of_match); #endif +static const SIMPLE_DEV_PM_OPS(cros_ec_keyb_pm_ops, NULL, cros_ec_keyb_resume); + static struct platform_driver cros_ec_keyb_driver = { .probe = cros_ec_keyb_probe, + .remove = cros_ec_keyb_remove, .driver = { .name = "cros-ec-keyb", .of_match_table = of_match_ptr(cros_ec_keyb_of_match), + .pm = &cros_ec_keyb_pm_ops, }, }; diff --git a/drivers/input/keyboard/davinci_keyscan.c b/drivers/input/keyboard/davinci_keyscan.c index f363d1d2907a..b20a5d044caa 100644 --- a/drivers/input/keyboard/davinci_keyscan.c +++ b/drivers/input/keyboard/davinci_keyscan.c @@ -172,7 +172,7 @@ static int __init davinci_ks_probe(struct platform_device *pdev) struct input_dev *key_dev; struct resource *res, *mem; struct device *dev = &pdev->dev; - struct davinci_ks_platform_data *pdata = dev_get_platdata(&pdev->dev); + struct davinci_ks_platform_data *pdata = dev_get_platdata(dev); int error, i; if (pdata->device_enable) { @@ -255,7 +255,7 @@ static int __init davinci_ks_probe(struct platform_device *pdev) key_dev->name = "davinci_keyscan"; key_dev->phys = "davinci_keyscan/input0"; - key_dev->dev.parent = &pdev->dev; + key_dev->dev.parent = dev; key_dev->id.bustype = BUS_HOST; key_dev->id.vendor = 0x0001; key_dev->id.product = 0x0001; diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index 582462d0af75..da3d362f21b1 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -36,6 +36,8 @@ struct gpio_button_data { struct input_dev *input; struct gpio_desc *gpiod; + unsigned short *code; + struct timer_list release_timer; unsigned int release_delay; /* in msecs, for IRQ-only buttons */ @@ -52,6 +54,7 @@ struct gpio_keys_drvdata { const struct gpio_keys_platform_data *pdata; struct input_dev *input; struct mutex disable_lock; + unsigned short *keymap; struct gpio_button_data data[0]; }; @@ -203,7 +206,7 @@ static ssize_t gpio_keys_attr_show_helper(struct gpio_keys_drvdata *ddata, if (only_disabled && !bdata->disabled) continue; - __set_bit(bdata->button->code, bits); + __set_bit(*bdata->code, bits); } ret = scnprintf(buf, PAGE_SIZE - 1, "%*pbl", n_events, bits); @@ -254,7 +257,7 @@ static ssize_t gpio_keys_attr_store_helper(struct gpio_keys_drvdata *ddata, if (bdata->button->type != type) continue; - if (test_bit(bdata->button->code, bits) && + if (test_bit(*bdata->code, bits) && !bdata->button->can_disable) { error = -EINVAL; goto out; @@ -269,7 +272,7 @@ static ssize_t gpio_keys_attr_store_helper(struct gpio_keys_drvdata *ddata, if (bdata->button->type != type) continue; - if (test_bit(bdata->button->code, bits)) + if (test_bit(*bdata->code, bits)) gpio_keys_disable_button(bdata); else gpio_keys_enable_button(bdata); @@ -371,7 +374,7 @@ static void gpio_keys_gpio_report_event(struct gpio_button_data *bdata) if (state) input_event(input, type, button->code, button->value); } else { - input_event(input, type, button->code, state); + input_event(input, type, *bdata->code, state); } input_sync(input); } @@ -411,7 +414,7 @@ static void gpio_keys_irq_timer(unsigned long _data) spin_lock_irqsave(&bdata->lock, flags); if (bdata->key_pressed) { - input_event(input, EV_KEY, bdata->button->code, 0); + input_event(input, EV_KEY, *bdata->code, 0); input_sync(input); bdata->key_pressed = false; } @@ -421,7 +424,6 @@ static void gpio_keys_irq_timer(unsigned long _data) static irqreturn_t gpio_keys_irq_isr(int irq, void *dev_id) { struct gpio_button_data *bdata = dev_id; - const struct gpio_keys_button *button = bdata->button; struct input_dev *input = bdata->input; unsigned long flags; @@ -433,11 +435,11 @@ static irqreturn_t gpio_keys_irq_isr(int irq, void *dev_id) if (bdata->button->wakeup) pm_wakeup_event(bdata->input->dev.parent, 0); - input_event(input, EV_KEY, button->code, 1); + input_event(input, EV_KEY, *bdata->code, 1); input_sync(input); if (!bdata->release_delay) { - input_event(input, EV_KEY, button->code, 0); + input_event(input, EV_KEY, *bdata->code, 0); input_sync(input); goto out; } @@ -465,12 +467,14 @@ static void gpio_keys_quiesce_key(void *data) static int gpio_keys_setup_key(struct platform_device *pdev, struct input_dev *input, - struct gpio_button_data *bdata, + struct gpio_keys_drvdata *ddata, const struct gpio_keys_button *button, + int idx, struct fwnode_handle *child) { const char *desc = button->desc ? button->desc : "gpio_keys"; struct device *dev = &pdev->dev; + struct gpio_button_data *bdata = &ddata->data[idx]; irq_handler_t isr; unsigned long irqflags; int irq; @@ -481,7 +485,10 @@ static int gpio_keys_setup_key(struct platform_device *pdev, spin_lock_init(&bdata->lock); if (child) { - bdata->gpiod = devm_get_gpiod_from_child(dev, NULL, child); + bdata->gpiod = devm_fwnode_get_gpiod_from_child(dev, NULL, + child, + GPIOD_IN, + desc); if (IS_ERR(bdata->gpiod)) { error = PTR_ERR(bdata->gpiod); if (error == -ENOENT) { @@ -496,13 +503,6 @@ static int gpio_keys_setup_key(struct platform_device *pdev, error); return error; } - } else { - error = gpiod_direction_input(bdata->gpiod); - if (error) { - dev_err(dev, "Failed to configure GPIO %d as input: %d\n", - desc_to_gpio(bdata->gpiod), error); - return error; - } } } else if (gpio_is_valid(button->gpio)) { /* @@ -514,8 +514,7 @@ static int gpio_keys_setup_key(struct platform_device *pdev, if (button->active_low) flags |= GPIOF_ACTIVE_LOW; - error = devm_gpio_request_one(&pdev->dev, button->gpio, flags, - desc); + error = devm_gpio_request_one(dev, button->gpio, flags, desc); if (error < 0) { dev_err(dev, "Failed to request GPIO %d, error %d\n", button->gpio, error); @@ -577,16 +576,17 @@ static int gpio_keys_setup_key(struct platform_device *pdev, irqflags = 0; } - input_set_capability(input, button->type ?: EV_KEY, button->code); + bdata->code = &ddata->keymap[idx]; + *bdata->code = button->code; + input_set_capability(input, button->type ?: EV_KEY, *bdata->code); /* * Install custom action to cancel release timer and * workqueue item. */ - error = devm_add_action(&pdev->dev, gpio_keys_quiesce_key, bdata); + error = devm_add_action(dev, gpio_keys_quiesce_key, bdata); if (error) { - dev_err(&pdev->dev, - "failed to register quiesce action, error: %d\n", + dev_err(dev, "failed to register quiesce action, error: %d\n", error); return error; } @@ -598,8 +598,8 @@ static int gpio_keys_setup_key(struct platform_device *pdev, if (!button->can_disable) irqflags |= IRQF_SHARED; - error = devm_request_any_context_irq(&pdev->dev, bdata->irq, - isr, irqflags, desc, bdata); + error = devm_request_any_context_irq(dev, bdata->irq, isr, irqflags, + desc, bdata); if (error < 0) { dev_err(dev, "Unable to claim irq %d; error %d\n", bdata->irq, error); @@ -750,6 +750,12 @@ static int gpio_keys_probe(struct platform_device *pdev) return -ENOMEM; } + ddata->keymap = devm_kcalloc(dev, + pdata->nbuttons, sizeof(ddata->keymap[0]), + GFP_KERNEL); + if (!ddata->keymap) + return -ENOMEM; + input = devm_input_allocate_device(dev); if (!input) { dev_err(dev, "failed to allocate input device\n"); @@ -765,7 +771,7 @@ static int gpio_keys_probe(struct platform_device *pdev) input->name = pdata->name ? : pdev->name; input->phys = "gpio-keys/input0"; - input->dev.parent = &pdev->dev; + input->dev.parent = dev; input->open = gpio_keys_open; input->close = gpio_keys_close; @@ -774,25 +780,29 @@ static int gpio_keys_probe(struct platform_device *pdev) input->id.product = 0x0001; input->id.version = 0x0100; + input->keycode = ddata->keymap; + input->keycodesize = sizeof(ddata->keymap[0]); + input->keycodemax = pdata->nbuttons; + /* Enable auto repeat feature of Linux input subsystem */ if (pdata->rep) __set_bit(EV_REP, input->evbit); for (i = 0; i < pdata->nbuttons; i++) { const struct gpio_keys_button *button = &pdata->buttons[i]; - struct gpio_button_data *bdata = &ddata->data[i]; if (!dev_get_platdata(dev)) { - child = device_get_next_child_node(&pdev->dev, child); + child = device_get_next_child_node(dev, child); if (!child) { - dev_err(&pdev->dev, + dev_err(dev, "missing child device node for entry %d\n", i); return -EINVAL; } } - error = gpio_keys_setup_key(pdev, input, bdata, button, child); + error = gpio_keys_setup_key(pdev, input, ddata, + button, i, child); if (error) { fwnode_handle_put(child); return error; @@ -804,7 +814,7 @@ static int gpio_keys_probe(struct platform_device *pdev) fwnode_handle_put(child); - error = sysfs_create_group(&pdev->dev.kobj, &gpio_keys_attr_group); + error = sysfs_create_group(&dev->kobj, &gpio_keys_attr_group); if (error) { dev_err(dev, "Unable to export keys/switches, error: %d\n", error); @@ -818,12 +828,12 @@ static int gpio_keys_probe(struct platform_device *pdev) goto err_remove_group; } - device_init_wakeup(&pdev->dev, wakeup); + device_init_wakeup(dev, wakeup); return 0; err_remove_group: - sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group); + sysfs_remove_group(&dev->kobj, &gpio_keys_attr_group); return error; } @@ -831,8 +841,6 @@ static int gpio_keys_remove(struct platform_device *pdev) { sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group); - device_init_wakeup(&pdev->dev, 0); - return 0; } diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c index bed4f2086158..edc7262103b9 100644 --- a/drivers/input/keyboard/gpio_keys_polled.c +++ b/drivers/input/keyboard/gpio_keys_polled.c @@ -252,13 +252,13 @@ static int gpio_keys_polled_probe(struct platform_device *pdev) size = sizeof(struct gpio_keys_polled_dev) + pdata->nbuttons * sizeof(struct gpio_keys_button_data); - bdev = devm_kzalloc(&pdev->dev, size, GFP_KERNEL); + bdev = devm_kzalloc(dev, size, GFP_KERNEL); if (!bdev) { dev_err(dev, "no memory for private data\n"); return -ENOMEM; } - poll_dev = devm_input_allocate_polled_device(&pdev->dev); + poll_dev = devm_input_allocate_polled_device(dev); if (!poll_dev) { dev_err(dev, "no memory for polled device\n"); return -ENOMEM; @@ -303,8 +303,10 @@ static int gpio_keys_polled_probe(struct platform_device *pdev) return -EINVAL; } - bdata->gpiod = devm_get_gpiod_from_child(dev, NULL, - child); + bdata->gpiod = devm_fwnode_get_gpiod_from_child(dev, + NULL, child, + GPIOD_IN, + button->desc); if (IS_ERR(bdata->gpiod)) { error = PTR_ERR(bdata->gpiod); if (error != -EPROBE_DEFER) @@ -314,14 +316,6 @@ static int gpio_keys_polled_probe(struct platform_device *pdev) fwnode_handle_put(child); return error; } - - error = gpiod_direction_input(bdata->gpiod); - if (error) { - dev_err(dev, "Failed to configure GPIO %d as input: %d\n", - desc_to_gpio(bdata->gpiod), error); - fwnode_handle_put(child); - return error; - } } else if (gpio_is_valid(button->gpio)) { /* * Legacy GPIO number so request the GPIO here and @@ -332,7 +326,7 @@ static int gpio_keys_polled_probe(struct platform_device *pdev) if (button->active_low) flags |= GPIOF_ACTIVE_LOW; - error = devm_gpio_request_one(&pdev->dev, button->gpio, + error = devm_gpio_request_one(dev, button->gpio, flags, button->desc ? : DRV_NAME); if (error) { dev_err(dev, @@ -365,7 +359,6 @@ static int gpio_keys_polled_probe(struct platform_device *pdev) bdev->poll_dev = poll_dev; bdev->dev = dev; bdev->pdata = pdata; - platform_set_drvdata(pdev, bdev); error = input_register_polled_device(poll_dev); if (error) { diff --git a/drivers/input/keyboard/jornada680_kbd.c b/drivers/input/keyboard/jornada680_kbd.c index 80c81278ad2c..0116ac99f44c 100644 --- a/drivers/input/keyboard/jornada680_kbd.c +++ b/drivers/input/keyboard/jornada680_kbd.c @@ -197,8 +197,6 @@ static int jornada680kbd_probe(struct platform_device *pdev) return -ENOMEM; } - platform_set_drvdata(pdev, jornadakbd); - jornadakbd->poll_dev = poll_dev; memcpy(jornadakbd->keymap, jornada_scancodes, diff --git a/drivers/input/keyboard/lpc32xx-keys.c b/drivers/input/keyboard/lpc32xx-keys.c index 632523d4f5dc..1dd57ac0e7a2 100644 --- a/drivers/input/keyboard/lpc32xx-keys.c +++ b/drivers/input/keyboard/lpc32xx-keys.c @@ -145,7 +145,7 @@ static int lpc32xx_parse_dt(struct device *dev, u32 rows = 0, columns = 0; int err; - err = matrix_keypad_parse_of_params(dev, &rows, &columns); + err = matrix_keypad_parse_properties(dev, &rows, &columns); if (err) return err; if (rows != columns) { diff --git a/drivers/input/keyboard/maple_keyb.c b/drivers/input/keyboard/maple_keyb.c index 5aa2361aef95..78e3567ec18c 100644 --- a/drivers/input/keyboard/maple_keyb.c +++ b/drivers/input/keyboard/maple_keyb.c @@ -196,7 +196,6 @@ static int probe_maple_kbd(struct device *dev) __clear_bit(KEY_RESERVED, idev->keybit); input_set_capability(idev, EV_MSC, MSC_SCAN); - input_set_drvdata(idev, kbd); error = input_register_device(idev); if (error) diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c index 7f12b6579f82..18839cd5f76e 100644 --- a/drivers/input/keyboard/matrix_keypad.c +++ b/drivers/input/keyboard/matrix_keypad.c @@ -545,8 +545,6 @@ static int matrix_keypad_remove(struct platform_device *pdev) { struct matrix_keypad *keypad = platform_get_drvdata(pdev); - device_init_wakeup(&pdev->dev, 0); - matrix_keypad_free_gpio(keypad); input_unregister_device(keypad->input_dev); kfree(keypad); diff --git a/drivers/input/keyboard/max7359_keypad.c b/drivers/input/keyboard/max7359_keypad.c index 5091133b7b8e..cd44d22d8770 100644 --- a/drivers/input/keyboard/max7359_keypad.c +++ b/drivers/input/keyboard/max7359_keypad.c @@ -241,7 +241,6 @@ static int max7359_probe(struct i2c_client *client, /* Initialize MAX7359 */ max7359_initialize(client); - i2c_set_clientdata(client, keypad); device_init_wakeup(&client->dev, 1); return 0; diff --git a/drivers/input/keyboard/mpr121_touchkey.c b/drivers/input/keyboard/mpr121_touchkey.c index 0fd612dd76ed..884a74d8a7ed 100644 --- a/drivers/input/keyboard/mpr121_touchkey.c +++ b/drivers/input/keyboard/mpr121_touchkey.c @@ -12,14 +12,16 @@ * */ -#include <linux/module.h> -#include <linux/input.h> -#include <linux/i2c.h> -#include <linux/slab.h> -#include <linux/delay.h> #include <linux/bitops.h> +#include <linux/delay.h> +#include <linux/i2c.h> +#include <linux/input.h> #include <linux/interrupt.h> -#include <linux/i2c/mpr121_touchkey.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/property.h> +#include <linux/regulator/consumer.h> +#include <linux/slab.h> /* Register definitions */ #define ELE_TOUCH_STATUS_0_ADDR 0x0 @@ -59,10 +61,9 @@ struct mpr121_touchkey { struct i2c_client *client; struct input_dev *input_dev; - unsigned int key_val; unsigned int statusbits; unsigned int keycount; - u16 keycodes[MPR121_MAX_KEY_COUNT]; + u32 keycodes[MPR121_MAX_KEY_COUNT]; }; struct mpr121_init_register { @@ -82,12 +83,49 @@ static const struct mpr121_init_register init_reg_table[] = { { AUTO_CONFIG_CTRL_ADDR, 0x0b }, }; +static void mpr121_vdd_supply_disable(void *data) +{ + struct regulator *vdd_supply = data; + + regulator_disable(vdd_supply); +} + +static struct regulator *mpr121_vdd_supply_init(struct device *dev) +{ + struct regulator *vdd_supply; + int err; + + vdd_supply = devm_regulator_get(dev, "vdd"); + if (IS_ERR(vdd_supply)) { + dev_err(dev, "failed to get vdd regulator: %ld\n", + PTR_ERR(vdd_supply)); + return vdd_supply; + } + + err = regulator_enable(vdd_supply); + if (err) { + dev_err(dev, "failed to enable vdd regulator: %d\n", err); + return ERR_PTR(err); + } + + err = devm_add_action(dev, mpr121_vdd_supply_disable, vdd_supply); + if (err) { + regulator_disable(vdd_supply); + dev_err(dev, "failed to add disable regulator action: %d\n", + err); + return ERR_PTR(err); + } + + return vdd_supply; +} + static irqreturn_t mpr_touchkey_interrupt(int irq, void *dev_id) { struct mpr121_touchkey *mpr121 = dev_id; struct i2c_client *client = mpr121->client; struct input_dev *input = mpr121->input_dev; - unsigned int key_num, key_val, pressed; + unsigned long bit_changed; + unsigned int key_num; int reg; reg = i2c_smbus_read_byte_data(client, ELE_TOUCH_STATUS_1_ADDR); @@ -105,26 +143,29 @@ static irqreturn_t mpr_touchkey_interrupt(int irq, void *dev_id) reg &= TOUCH_STATUS_MASK; /* use old press bit to figure out which bit changed */ - key_num = ffs(reg ^ mpr121->statusbits) - 1; - pressed = reg & (1 << key_num); + bit_changed = reg ^ mpr121->statusbits; mpr121->statusbits = reg; + for_each_set_bit(key_num, &bit_changed, mpr121->keycount) { + unsigned int key_val, pressed; - key_val = mpr121->keycodes[key_num]; + pressed = reg & BIT(key_num); + key_val = mpr121->keycodes[key_num]; - input_event(input, EV_MSC, MSC_SCAN, key_num); - input_report_key(input, key_val, pressed); - input_sync(input); + input_event(input, EV_MSC, MSC_SCAN, key_num); + input_report_key(input, key_val, pressed); - dev_dbg(&client->dev, "key %d %d %s\n", key_num, key_val, - pressed ? "pressed" : "released"); + dev_dbg(&client->dev, "key %d %d %s\n", key_num, key_val, + pressed ? "pressed" : "released"); + + } + input_sync(input); out: return IRQ_HANDLED; } -static int mpr121_phys_init(const struct mpr121_platform_data *pdata, - struct mpr121_touchkey *mpr121, - struct i2c_client *client) +static int mpr121_phys_init(struct mpr121_touchkey *mpr121, + struct i2c_client *client, int vdd_uv) { const struct mpr121_init_register *reg; unsigned char usl, lsl, tl, eleconf; @@ -154,9 +195,9 @@ static int mpr121_phys_init(const struct mpr121_platform_data *pdata, /* * Capacitance on sensing input varies and needs to be compensated. * The internal MPR121-auto-configuration can do this if it's - * registers are set properly (based on pdata->vdd_uv). + * registers are set properly (based on vdd_uv). */ - vdd = pdata->vdd_uv / 1000; + vdd = vdd_uv / 1000; usl = ((vdd - 700) * 256) / vdd; lsl = (usl * 65) / 100; tl = (usl * 90) / 100; @@ -187,72 +228,77 @@ err_i2c_write: static int mpr_touchkey_probe(struct i2c_client *client, const struct i2c_device_id *id) { - const struct mpr121_platform_data *pdata = - dev_get_platdata(&client->dev); + struct device *dev = &client->dev; + struct regulator *vdd_supply; + int vdd_uv; struct mpr121_touchkey *mpr121; struct input_dev *input_dev; int error; int i; - if (!pdata) { - dev_err(&client->dev, "no platform data defined\n"); - return -EINVAL; - } - - if (!pdata->keymap || !pdata->keymap_size) { - dev_err(&client->dev, "missing keymap data\n"); + if (!client->irq) { + dev_err(dev, "irq number should not be zero\n"); return -EINVAL; } - if (pdata->keymap_size > MPR121_MAX_KEY_COUNT) { - dev_err(&client->dev, "too many keys defined\n"); - return -EINVAL; - } + vdd_supply = mpr121_vdd_supply_init(dev); + if (IS_ERR(vdd_supply)) + return PTR_ERR(vdd_supply); - if (!client->irq) { - dev_err(&client->dev, "irq number should not be zero\n"); - return -EINVAL; - } + vdd_uv = regulator_get_voltage(vdd_supply); - mpr121 = devm_kzalloc(&client->dev, sizeof(*mpr121), - GFP_KERNEL); + mpr121 = devm_kzalloc(dev, sizeof(*mpr121), GFP_KERNEL); if (!mpr121) return -ENOMEM; - input_dev = devm_input_allocate_device(&client->dev); + input_dev = devm_input_allocate_device(dev); if (!input_dev) return -ENOMEM; mpr121->client = client; mpr121->input_dev = input_dev; - mpr121->keycount = pdata->keymap_size; + mpr121->keycount = device_property_read_u32_array(dev, "linux,keycodes", + NULL, 0); + if (mpr121->keycount > MPR121_MAX_KEY_COUNT) { + dev_err(dev, "too many keys defined (%d)\n", mpr121->keycount); + return -EINVAL; + } + + error = device_property_read_u32_array(dev, "linux,keycodes", + mpr121->keycodes, + mpr121->keycount); + if (error) { + dev_err(dev, + "failed to read linux,keycode property: %d\n", error); + return error; + } input_dev->name = "Freescale MPR121 Touchkey"; input_dev->id.bustype = BUS_I2C; - input_dev->dev.parent = &client->dev; - input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP); + input_dev->dev.parent = dev; + if (device_property_read_bool(dev, "autorepeat")) + __set_bit(EV_REP, input_dev->evbit); + input_set_capability(input_dev, EV_MSC, MSC_SCAN); input_dev->keycode = mpr121->keycodes; input_dev->keycodesize = sizeof(mpr121->keycodes[0]); input_dev->keycodemax = mpr121->keycount; - for (i = 0; i < pdata->keymap_size; i++) { - input_set_capability(input_dev, EV_KEY, pdata->keymap[i]); - mpr121->keycodes[i] = pdata->keymap[i]; - } + for (i = 0; i < mpr121->keycount; i++) + input_set_capability(input_dev, EV_KEY, mpr121->keycodes[i]); - error = mpr121_phys_init(pdata, mpr121, client); + error = mpr121_phys_init(mpr121, client, vdd_uv); if (error) { - dev_err(&client->dev, "Failed to init register\n"); + dev_err(dev, "Failed to init register\n"); return error; } - error = devm_request_threaded_irq(&client->dev, client->irq, NULL, - mpr_touchkey_interrupt, - IRQF_TRIGGER_FALLING | IRQF_ONESHOT, - client->dev.driver->name, mpr121); + error = devm_request_threaded_irq(dev, client->irq, NULL, + mpr_touchkey_interrupt, + IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + dev->driver->name, mpr121); if (error) { - dev_err(&client->dev, "Failed to register interrupt\n"); + dev_err(dev, "Failed to register interrupt\n"); return error; } @@ -261,13 +307,13 @@ static int mpr_touchkey_probe(struct i2c_client *client, return error; i2c_set_clientdata(client, mpr121); - device_init_wakeup(&client->dev, pdata->wakeup); + device_init_wakeup(dev, + device_property_read_bool(dev, "wakeup-source")); return 0; } -#ifdef CONFIG_PM_SLEEP -static int mpr_suspend(struct device *dev) +static int __maybe_unused mpr_suspend(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); @@ -279,7 +325,7 @@ static int mpr_suspend(struct device *dev) return 0; } -static int mpr_resume(struct device *dev) +static int __maybe_unused mpr_resume(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct mpr121_touchkey *mpr121 = i2c_get_clientdata(client); @@ -292,7 +338,6 @@ static int mpr_resume(struct device *dev) return 0; } -#endif static SIMPLE_DEV_PM_OPS(mpr121_touchkey_pm_ops, mpr_suspend, mpr_resume); @@ -302,10 +347,19 @@ static const struct i2c_device_id mpr121_id[] = { }; MODULE_DEVICE_TABLE(i2c, mpr121_id); +#ifdef CONFIG_OF +static const struct of_device_id mpr121_touchkey_dt_match_table[] = { + { .compatible = "fsl,mpr121-touchkey" }, + { }, +}; +MODULE_DEVICE_TABLE(of, mpr121_touchkey_dt_match_table); +#endif + static struct i2c_driver mpr_touchkey_driver = { .driver = { .name = "mpr121", .pm = &mpr121_touchkey_pm_ops, + .of_match_table = of_match_ptr(mpr121_touchkey_dt_match_table), }, .id_table = mpr121_id, .probe = mpr_touchkey_probe, diff --git a/drivers/input/keyboard/nspire-keypad.c b/drivers/input/keyboard/nspire-keypad.c index 7abfd34eb87e..c7f26fa3034c 100644 --- a/drivers/input/keyboard/nspire-keypad.c +++ b/drivers/input/keyboard/nspire-keypad.c @@ -249,8 +249,6 @@ static int nspire_keypad_probe(struct platform_device *pdev) return error; } - platform_set_drvdata(pdev, keypad); - dev_dbg(&pdev->dev, "TI-NSPIRE keypad at %pR (scan_interval=%uus, row_delay=%uus%s)\n", res, keypad->row_delay, keypad->scan_interval, diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c index 6639b2b8528a..ebc67ba41fe2 100644 --- a/drivers/input/keyboard/omap4-keypad.c +++ b/drivers/input/keyboard/omap4-keypad.c @@ -223,8 +223,8 @@ static int omap4_keypad_parse_dt(struct device *dev, struct device_node *np = dev->of_node; int err; - err = matrix_keypad_parse_of_params(dev, &keypad_data->rows, - &keypad_data->cols); + err = matrix_keypad_parse_properties(dev, &keypad_data->rows, + &keypad_data->cols); if (err) return err; @@ -375,7 +375,6 @@ static int omap4_keypad_probe(struct platform_device *pdev) err_pm_disable: pm_runtime_disable(&pdev->dev); - device_init_wakeup(&pdev->dev, false); free_irq(keypad_data->irq, keypad_data); err_free_keymap: kfree(keypad_data->keymap); @@ -401,8 +400,6 @@ static int omap4_keypad_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); - device_init_wakeup(&pdev->dev, false); - input_unregister_device(keypad_data->input); iounmap(keypad_data->base); diff --git a/drivers/input/keyboard/opencores-kbd.c b/drivers/input/keyboard/opencores-kbd.c index f8502bb29176..d62b4068c077 100644 --- a/drivers/input/keyboard/opencores-kbd.c +++ b/drivers/input/keyboard/opencores-kbd.c @@ -75,8 +75,6 @@ static int opencores_kbd_probe(struct platform_device *pdev) input->name = pdev->name; input->phys = "opencores-kbd/input0"; - input_set_drvdata(input, opencores_kbd); - input->id.bustype = BUS_HOST; input->id.vendor = 0x0001; input->id.product = 0x0001; @@ -112,8 +110,6 @@ static int opencores_kbd_probe(struct platform_device *pdev) return error; } - platform_set_drvdata(pdev, opencores_kbd); - return 0; } diff --git a/drivers/input/keyboard/pmic8xxx-keypad.c b/drivers/input/keyboard/pmic8xxx-keypad.c index 5c68e3f096bc..97c5424f49b9 100644 --- a/drivers/input/keyboard/pmic8xxx-keypad.c +++ b/drivers/input/keyboard/pmic8xxx-keypad.c @@ -515,7 +515,7 @@ static int pmic8xxx_kp_probe(struct platform_device *pdev) int rc; unsigned int ctrl_val; - rc = matrix_keypad_parse_of_params(&pdev->dev, &rows, &cols); + rc = matrix_keypad_parse_properties(&pdev->dev, &rows, &cols); if (rc) return rc; diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c index e24443376e75..3841fa30db33 100644 --- a/drivers/input/keyboard/pxa27x_keypad.c +++ b/drivers/input/keyboard/pxa27x_keypad.c @@ -126,7 +126,7 @@ static int pxa27x_keypad_matrix_key_parse_dt(struct pxa27x_keypad *keypad, u32 rows, cols; int error; - error = matrix_keypad_parse_of_params(dev, &rows, &cols); + error = matrix_keypad_parse_properties(dev, &rows, &cols); if (error) return error; diff --git a/drivers/input/keyboard/samsung-keypad.c b/drivers/input/keyboard/samsung-keypad.c index 4e319eb9e19d..316414465c77 100644 --- a/drivers/input/keyboard/samsung-keypad.c +++ b/drivers/input/keyboard/samsung-keypad.c @@ -445,7 +445,6 @@ static int samsung_keypad_probe(struct platform_device *pdev) err_disable_runtime_pm: pm_runtime_disable(&pdev->dev); - device_init_wakeup(&pdev->dev, 0); err_unprepare_clk: clk_unprepare(keypad->clk); return error; @@ -456,7 +455,6 @@ static int samsung_keypad_remove(struct platform_device *pdev) struct samsung_keypad *keypad = platform_get_drvdata(pdev); pm_runtime_disable(&pdev->dev); - device_init_wakeup(&pdev->dev, 0); input_unregister_device(keypad->input_dev); diff --git a/drivers/input/keyboard/spear-keyboard.c b/drivers/input/keyboard/spear-keyboard.c index 8083eaa0524a..7d25fa338ab4 100644 --- a/drivers/input/keyboard/spear-keyboard.c +++ b/drivers/input/keyboard/spear-keyboard.c @@ -283,8 +283,6 @@ static int spear_kbd_remove(struct platform_device *pdev) input_unregister_device(kbd->input); clk_unprepare(kbd->clk); - device_init_wakeup(&pdev->dev, 0); - return 0; } diff --git a/drivers/input/keyboard/st-keyscan.c b/drivers/input/keyboard/st-keyscan.c index de7be4f03d91..babcfb165e4f 100644 --- a/drivers/input/keyboard/st-keyscan.c +++ b/drivers/input/keyboard/st-keyscan.c @@ -106,8 +106,8 @@ static int keypad_matrix_key_parse_dt(struct st_keyscan *keypad_data) struct device_node *np = dev->of_node; int error; - error = matrix_keypad_parse_of_params(dev, &keypad_data->n_rows, - &keypad_data->n_cols); + error = matrix_keypad_parse_properties(dev, &keypad_data->n_rows, + &keypad_data->n_cols); if (error) { dev_err(dev, "failed to parse keypad params\n"); return error; diff --git a/drivers/input/keyboard/stmpe-keypad.c b/drivers/input/keyboard/stmpe-keypad.c index fe6e3f22eed7..8c6c0b9109c7 100644 --- a/drivers/input/keyboard/stmpe-keypad.c +++ b/drivers/input/keyboard/stmpe-keypad.c @@ -354,7 +354,7 @@ static int stmpe_keypad_probe(struct platform_device *pdev) input->id.bustype = BUS_I2C; input->dev.parent = &pdev->dev; - error = matrix_keypad_parse_of_params(&pdev->dev, &rows, &cols); + error = matrix_keypad_parse_properties(&pdev->dev, &rows, &cols); if (error) return error; diff --git a/drivers/input/keyboard/sun4i-lradc-keys.c b/drivers/input/keyboard/sun4i-lradc-keys.c index cc8f7ddcee53..a37c172452e6 100644 --- a/drivers/input/keyboard/sun4i-lradc-keys.c +++ b/drivers/input/keyboard/sun4i-lradc-keys.c @@ -261,7 +261,6 @@ static int sun4i_lradc_probe(struct platform_device *pdev) if (error) return error; - platform_set_drvdata(pdev, lradc); return 0; } diff --git a/drivers/input/keyboard/tca8418_keypad.c b/drivers/input/keyboard/tca8418_keypad.c index 3048ef3e3e16..44dd7689c571 100644 --- a/drivers/input/keyboard/tca8418_keypad.c +++ b/drivers/input/keyboard/tca8418_keypad.c @@ -24,18 +24,17 @@ * alternative licensing inquiries. */ -#include <linux/types.h> -#include <linux/module.h> -#include <linux/init.h> #include <linux/delay.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/workqueue.h> -#include <linux/gpio.h> #include <linux/i2c.h> +#include <linux/init.h> #include <linux/input.h> -#include <linux/input/tca8418_keypad.h> +#include <linux/input/matrix_keypad.h> +#include <linux/interrupt.h> +#include <linux/module.h> #include <linux/of.h> +#include <linux/property.h> +#include <linux/slab.h> +#include <linux/types.h> /* TCA8418 hardware limits */ #define TCA8418_MAX_ROWS 8 @@ -264,41 +263,25 @@ static int tca8418_configure(struct tca8418_keypad *keypad_data, } static int tca8418_keypad_probe(struct i2c_client *client, - const struct i2c_device_id *id) + const struct i2c_device_id *id) { struct device *dev = &client->dev; - const struct tca8418_keypad_platform_data *pdata = - dev_get_platdata(dev); struct tca8418_keypad *keypad_data; struct input_dev *input; - const struct matrix_keymap_data *keymap_data = NULL; u32 rows = 0, cols = 0; - bool rep = false; - bool irq_is_gpio = false; - int irq; int error, row_shift, max_keys; - /* Copy the platform data */ - if (pdata) { - if (!pdata->keymap_data) { - dev_err(dev, "no keymap data defined\n"); - return -EINVAL; - } - keymap_data = pdata->keymap_data; - rows = pdata->rows; - cols = pdata->cols; - rep = pdata->rep; - irq_is_gpio = pdata->irq_is_gpio; - } else { - struct device_node *np = dev->of_node; - int err; - - err = matrix_keypad_parse_of_params(dev, &rows, &cols); - if (err) - return err; - rep = of_property_read_bool(np, "keypad,autorepeat"); + /* Check i2c driver capabilities */ + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE)) { + dev_err(dev, "%s adapter not supported\n", + dev_driver_string(&client->adapter->dev)); + return -ENODEV; } + error = matrix_keypad_parse_properties(dev, &rows, &cols); + if (error) + return error; + if (!rows || rows > TCA8418_MAX_ROWS) { dev_err(dev, "invalid rows\n"); return -EINVAL; @@ -309,13 +292,6 @@ static int tca8418_keypad_probe(struct i2c_client *client, return -EINVAL; } - /* Check i2c driver capabilities */ - if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE)) { - dev_err(dev, "%s adapter not supported\n", - dev_driver_string(&client->adapter->dev)); - return -ENODEV; - } - row_shift = get_count_order(cols); max_keys = rows << row_shift; @@ -345,27 +321,20 @@ static int tca8418_keypad_probe(struct i2c_client *client, input->id.product = 0x001; input->id.version = 0x0001; - error = matrix_keypad_build_keymap(keymap_data, NULL, rows, cols, - NULL, input); + error = matrix_keypad_build_keymap(NULL, NULL, rows, cols, NULL, input); if (error) { dev_err(dev, "Failed to build keymap\n"); return error; } - if (rep) + if (device_property_read_bool(dev, "keypad,autorepeat")) __set_bit(EV_REP, input->evbit); - input_set_capability(input, EV_MSC, MSC_SCAN); - - input_set_drvdata(input, keypad_data); - irq = client->irq; - if (irq_is_gpio) - irq = gpio_to_irq(irq); + input_set_capability(input, EV_MSC, MSC_SCAN); - error = devm_request_threaded_irq(dev, irq, NULL, tca8418_irq_handler, - IRQF_TRIGGER_FALLING | - IRQF_SHARED | - IRQF_ONESHOT, + error = devm_request_threaded_irq(dev, client->irq, + NULL, tca8418_irq_handler, + IRQF_SHARED | IRQF_ONESHOT, client->name, keypad_data); if (error) { dev_err(dev, "Unable to claim irq %d; error %d\n", @@ -384,30 +353,21 @@ static int tca8418_keypad_probe(struct i2c_client *client, } static const struct i2c_device_id tca8418_id[] = { - { TCA8418_NAME, 8418, }, + { "tca8418", 8418, }, { } }; MODULE_DEVICE_TABLE(i2c, tca8418_id); -#ifdef CONFIG_OF static const struct of_device_id tca8418_dt_ids[] = { { .compatible = "ti,tca8418", }, { } }; MODULE_DEVICE_TABLE(of, tca8418_dt_ids); -/* - * The device tree based i2c loader looks for - * "i2c:" + second_component_of(property("compatible")) - * and therefore we need an alias to be found. - */ -MODULE_ALIAS("i2c:tca8418"); -#endif - static struct i2c_driver tca8418_keypad_driver = { .driver = { - .name = TCA8418_NAME, - .of_match_table = of_match_ptr(tca8418_dt_ids), + .name = "tca8418_keypad", + .of_match_table = tca8418_dt_ids, }, .probe = tca8418_keypad_probe, .id_table = tca8418_id, diff --git a/drivers/input/keyboard/tm2-touchkey.c b/drivers/input/keyboard/tm2-touchkey.c new file mode 100644 index 000000000000..485900f953e0 --- /dev/null +++ b/drivers/input/keyboard/tm2-touchkey.c @@ -0,0 +1,284 @@ +/* + * TM2 touchkey device driver + * + * Copyright 2005 Phil Blundell + * Copyright 2016 Samsung Electronics Co., Ltd. + * + * Author: Beomho Seo <beomho.seo@samsung.com> + * Author: Jaechul Lee <jcsing.lee@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/bitops.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/leds.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/pm.h> +#include <linux/regulator/consumer.h> + +#define TM2_TOUCHKEY_DEV_NAME "tm2-touchkey" +#define TM2_TOUCHKEY_KEYCODE_REG 0x03 +#define TM2_TOUCHKEY_BASE_REG 0x00 +#define TM2_TOUCHKEY_CMD_LED_ON 0x10 +#define TM2_TOUCHKEY_CMD_LED_OFF 0x20 +#define TM2_TOUCHKEY_BIT_PRESS_EV BIT(3) +#define TM2_TOUCHKEY_BIT_KEYCODE GENMASK(2, 0) +#define TM2_TOUCHKEY_LED_VOLTAGE_MIN 2500000 +#define TM2_TOUCHKEY_LED_VOLTAGE_MAX 3300000 + +enum { + TM2_TOUCHKEY_KEY_MENU = 0x1, + TM2_TOUCHKEY_KEY_BACK, +}; + +struct tm2_touchkey_data { + struct i2c_client *client; + struct input_dev *input_dev; + struct led_classdev led_dev; + struct regulator *vdd; + struct regulator_bulk_data regulators[2]; +}; + +static void tm2_touchkey_led_brightness_set(struct led_classdev *led_dev, + enum led_brightness brightness) +{ + struct tm2_touchkey_data *touchkey = + container_of(led_dev, struct tm2_touchkey_data, led_dev); + u32 volt; + u8 data; + + if (brightness == LED_OFF) { + volt = TM2_TOUCHKEY_LED_VOLTAGE_MIN; + data = TM2_TOUCHKEY_CMD_LED_OFF; + } else { + volt = TM2_TOUCHKEY_LED_VOLTAGE_MAX; + data = TM2_TOUCHKEY_CMD_LED_ON; + } + + regulator_set_voltage(touchkey->vdd, volt, volt); + i2c_smbus_write_byte_data(touchkey->client, + TM2_TOUCHKEY_BASE_REG, data); +} + +static int tm2_touchkey_power_enable(struct tm2_touchkey_data *touchkey) +{ + int error; + + error = regulator_bulk_enable(ARRAY_SIZE(touchkey->regulators), + touchkey->regulators); + if (error) + return error; + + /* waiting for device initialization, at least 150ms */ + msleep(150); + + return 0; +} + +static void tm2_touchkey_power_disable(void *data) +{ + struct tm2_touchkey_data *touchkey = data; + + regulator_bulk_disable(ARRAY_SIZE(touchkey->regulators), + touchkey->regulators); +} + +static irqreturn_t tm2_touchkey_irq_handler(int irq, void *devid) +{ + struct tm2_touchkey_data *touchkey = devid; + int data; + int key; + + data = i2c_smbus_read_byte_data(touchkey->client, + TM2_TOUCHKEY_KEYCODE_REG); + if (data < 0) { + dev_err(&touchkey->client->dev, + "failed to read i2c data: %d\n", data); + goto out; + } + + switch (data & TM2_TOUCHKEY_BIT_KEYCODE) { + case TM2_TOUCHKEY_KEY_MENU: + key = KEY_PHONE; + break; + + case TM2_TOUCHKEY_KEY_BACK: + key = KEY_BACK; + break; + + default: + dev_warn(&touchkey->client->dev, + "unhandled keycode, data %#02x\n", data); + goto out; + } + + if (data & TM2_TOUCHKEY_BIT_PRESS_EV) { + input_report_key(touchkey->input_dev, KEY_PHONE, 0); + input_report_key(touchkey->input_dev, KEY_BACK, 0); + } else { + input_report_key(touchkey->input_dev, key, 1); + } + + input_sync(touchkey->input_dev); + +out: + return IRQ_HANDLED; +} + +static int tm2_touchkey_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct tm2_touchkey_data *touchkey; + int error; + + if (!i2c_check_functionality(client->adapter, + I2C_FUNC_SMBUS_BYTE | I2C_FUNC_SMBUS_BYTE_DATA)) { + dev_err(&client->dev, "incompatible I2C adapter\n"); + return -EIO; + } + + touchkey = devm_kzalloc(&client->dev, sizeof(*touchkey), GFP_KERNEL); + if (!touchkey) + return -ENOMEM; + + touchkey->client = client; + i2c_set_clientdata(client, touchkey); + + touchkey->regulators[0].supply = "vcc"; + touchkey->regulators[1].supply = "vdd"; + error = devm_regulator_bulk_get(&client->dev, + ARRAY_SIZE(touchkey->regulators), + touchkey->regulators); + if (error) { + dev_err(&client->dev, "failed to get regulators: %d\n", error); + return error; + } + + /* Save VDD for easy access */ + touchkey->vdd = touchkey->regulators[1].consumer; + + error = tm2_touchkey_power_enable(touchkey); + if (error) { + dev_err(&client->dev, "failed to power up device: %d\n", error); + return error; + } + + error = devm_add_action_or_reset(&client->dev, + tm2_touchkey_power_disable, touchkey); + if (error) { + dev_err(&client->dev, + "failed to install poweroff handler: %d\n", error); + return error; + } + + /* input device */ + touchkey->input_dev = devm_input_allocate_device(&client->dev); + if (!touchkey->input_dev) { + dev_err(&client->dev, "failed to allocate input device\n"); + return -ENOMEM; + } + + touchkey->input_dev->name = TM2_TOUCHKEY_DEV_NAME; + touchkey->input_dev->id.bustype = BUS_I2C; + + input_set_capability(touchkey->input_dev, EV_KEY, KEY_PHONE); + input_set_capability(touchkey->input_dev, EV_KEY, KEY_BACK); + + error = input_register_device(touchkey->input_dev); + if (error) { + dev_err(&client->dev, + "failed to register input device: %d\n", error); + return error; + } + + error = devm_request_threaded_irq(&client->dev, client->irq, + NULL, tm2_touchkey_irq_handler, + IRQF_ONESHOT, + TM2_TOUCHKEY_DEV_NAME, touchkey); + if (error) { + dev_err(&client->dev, + "failed to request threaded irq: %d\n", error); + return error; + } + + /* led device */ + touchkey->led_dev.name = TM2_TOUCHKEY_DEV_NAME; + touchkey->led_dev.brightness = LED_FULL; + touchkey->led_dev.max_brightness = LED_FULL; + touchkey->led_dev.brightness_set = tm2_touchkey_led_brightness_set; + + error = devm_led_classdev_register(&client->dev, &touchkey->led_dev); + if (error) { + dev_err(&client->dev, + "failed to register touchkey led: %d\n", error); + return error; + } + + return 0; +} + +static int __maybe_unused tm2_touchkey_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct tm2_touchkey_data *touchkey = i2c_get_clientdata(client); + + disable_irq(client->irq); + tm2_touchkey_power_disable(touchkey); + + return 0; +} + +static int __maybe_unused tm2_touchkey_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct tm2_touchkey_data *touchkey = i2c_get_clientdata(client); + int ret; + + enable_irq(client->irq); + + ret = tm2_touchkey_power_enable(touchkey); + if (ret) + dev_err(dev, "failed to enable power: %d\n", ret); + + return ret; +} + +static SIMPLE_DEV_PM_OPS(tm2_touchkey_pm_ops, + tm2_touchkey_suspend, tm2_touchkey_resume); + +static const struct i2c_device_id tm2_touchkey_id_table[] = { + { TM2_TOUCHKEY_DEV_NAME, 0 }, + { }, +}; +MODULE_DEVICE_TABLE(i2c, tm2_touchkey_id_table); + +static const struct of_device_id tm2_touchkey_of_match[] = { + { .compatible = "cypress,tm2-touchkey", }, + { }, +}; +MODULE_DEVICE_TABLE(of, tm2_touchkey_of_match); + +static struct i2c_driver tm2_touchkey_driver = { + .driver = { + .name = TM2_TOUCHKEY_DEV_NAME, + .pm = &tm2_touchkey_pm_ops, + .of_match_table = of_match_ptr(tm2_touchkey_of_match), + }, + .probe = tm2_touchkey_probe, + .id_table = tm2_touchkey_id_table, +}; +module_i2c_driver(tm2_touchkey_driver); + +MODULE_AUTHOR("Beomho Seo <beomho.seo@samsung.com>"); +MODULE_AUTHOR("Jaechul Lee <jcsing.lee@samsung.com>"); +MODULE_DESCRIPTION("Samsung touchkey driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/input/keyboard/twl4030_keypad.c b/drivers/input/keyboard/twl4030_keypad.c index 323a0fb575a4..39e72b3219d8 100644 --- a/drivers/input/keyboard/twl4030_keypad.c +++ b/drivers/input/keyboard/twl4030_keypad.c @@ -374,8 +374,8 @@ static int twl4030_kp_probe(struct platform_device *pdev) kp->autorepeat = pdata->rep; keymap_data = pdata->keymap_data; } else { - error = matrix_keypad_parse_of_params(&pdev->dev, &kp->n_rows, - &kp->n_cols); + error = matrix_keypad_parse_properties(&pdev->dev, &kp->n_rows, + &kp->n_cols); if (error) return error; @@ -441,7 +441,6 @@ static int twl4030_kp_probe(struct platform_device *pdev) return -EIO; } - platform_set_drvdata(pdev, kp); return 0; } diff --git a/drivers/input/matrix-keymap.c b/drivers/input/matrix-keymap.c index 08b61f506db6..8ccefc15c7a4 100644 --- a/drivers/input/matrix-keymap.c +++ b/drivers/input/matrix-keymap.c @@ -14,18 +14,18 @@ * 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/device.h> +#include <linux/export.h> #include <linux/gfp.h> -#include <linux/kernel.h> -#include <linux/types.h> #include <linux/input.h> -#include <linux/of.h> -#include <linux/export.h> -#include <linux/module.h> #include <linux/input/matrix_keypad.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/property.h> +#include <linux/slab.h> +#include <linux/types.h> static bool matrix_keypad_map_key(struct input_dev *input_dev, unsigned int rows, unsigned int cols, @@ -49,18 +49,22 @@ static bool matrix_keypad_map_key(struct input_dev *input_dev, return true; } -#ifdef CONFIG_OF -int matrix_keypad_parse_of_params(struct device *dev, - unsigned int *rows, unsigned int *cols) +/** + * matrix_keypad_parse_properties() - Read properties of matrix keypad + * + * @dev: Device containing properties + * @rows: Returns number of matrix rows + * @cols: Returns number of matrix columns + * @return 0 if OK, <0 on error + */ +int matrix_keypad_parse_properties(struct device *dev, + unsigned int *rows, unsigned int *cols) { - struct device_node *np = dev->of_node; + *rows = *cols = 0; + + device_property_read_u32(dev, "keypad,num-rows", rows); + device_property_read_u32(dev, "keypad,num-columns", cols); - if (!np) { - dev_err(dev, "missing DT data"); - return -EINVAL; - } - of_property_read_u32(np, "keypad,num-rows", rows); - of_property_read_u32(np, "keypad,num-columns", cols); if (!*rows || !*cols) { dev_err(dev, "number of keypad rows/columns not specified\n"); return -EINVAL; @@ -68,62 +72,61 @@ int matrix_keypad_parse_of_params(struct device *dev, return 0; } -EXPORT_SYMBOL_GPL(matrix_keypad_parse_of_params); +EXPORT_SYMBOL_GPL(matrix_keypad_parse_properties); -static int matrix_keypad_parse_of_keymap(const char *propname, - unsigned int rows, unsigned int cols, - struct input_dev *input_dev) +static int matrix_keypad_parse_keymap(const char *propname, + unsigned int rows, unsigned int cols, + struct input_dev *input_dev) { struct device *dev = input_dev->dev.parent; - struct device_node *np = dev->of_node; unsigned int row_shift = get_count_order(cols); unsigned int max_keys = rows << row_shift; - unsigned int proplen, i, size; - const __be32 *prop; - - if (!np) - return -ENOENT; + u32 *keys; + int i; + int size; + int retval; if (!propname) propname = "linux,keymap"; - prop = of_get_property(np, propname, &proplen); - if (!prop) { - dev_err(dev, "OF: %s property not defined in %s\n", - propname, np->full_name); - return -ENOENT; + size = device_property_read_u32_array(dev, propname, NULL, 0); + if (size <= 0) { + dev_err(dev, "missing or malformed property %s: %d\n", + propname, size); + return size < 0 ? size : -EINVAL; } - if (proplen % sizeof(u32)) { - dev_err(dev, "OF: Malformed keycode property %s in %s\n", - propname, np->full_name); + if (size > max_keys) { + dev_err(dev, "%s size overflow (%d vs max %u)\n", + propname, size, max_keys); return -EINVAL; } - size = proplen / sizeof(u32); - if (size > max_keys) { - dev_err(dev, "OF: %s size overflow\n", propname); - return -EINVAL; + keys = kmalloc_array(size, sizeof(u32), GFP_KERNEL); + if (!keys) + return -ENOMEM; + + retval = device_property_read_u32_array(dev, propname, keys, size); + if (retval) { + dev_err(dev, "failed to read %s property: %d\n", + propname, retval); + goto out; } for (i = 0; i < size; i++) { - unsigned int key = be32_to_cpup(prop + i); - if (!matrix_keypad_map_key(input_dev, rows, cols, - row_shift, key)) - return -EINVAL; + row_shift, keys[i])) { + retval = -EINVAL; + goto out; + } } - return 0; -} -#else -static int matrix_keypad_parse_of_keymap(const char *propname, - unsigned int rows, unsigned int cols, - struct input_dev *input_dev) -{ - return -ENOSYS; + retval = 0; + +out: + kfree(keys); + return retval; } -#endif /** * matrix_keypad_build_keymap - convert platform keymap into matrix keymap @@ -192,8 +195,8 @@ int matrix_keypad_build_keymap(const struct matrix_keymap_data *keymap_data, return -EINVAL; } } else { - error = matrix_keypad_parse_of_keymap(keymap_name, rows, cols, - input_dev); + error = matrix_keypad_parse_keymap(keymap_name, rows, cols, + input_dev); if (error) return error; } diff --git a/drivers/input/misc/88pm80x_onkey.c b/drivers/input/misc/88pm80x_onkey.c index cf9908f1e5d5..45a09497f680 100644 --- a/drivers/input/misc/88pm80x_onkey.c +++ b/drivers/input/misc/88pm80x_onkey.c @@ -143,7 +143,6 @@ static int pm80x_onkey_remove(struct platform_device *pdev) { struct pm80x_onkey_info *info = platform_get_drvdata(pdev); - device_init_wakeup(&pdev->dev, 0); pm80x_free_irq(info->pm80x, info->irq, info); input_unregister_device(info->idev); kfree(info); diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index 1ae4d9617ff8..5b6c52210d20 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -234,16 +234,6 @@ config INPUT_MMA8450 To compile this driver as a module, choose M here: the module will be called mma8450. -config INPUT_MPU3050 - tristate "MPU3050 Triaxial gyroscope sensor" - depends on I2C - help - Say Y here if you want to support InvenSense MPU3050 - connected via an I2C bus. - - To compile this driver as a module, choose M here: the - module will be called mpu3050. - config INPUT_APANEL tristate "Fujitsu Lifebook Application Panel buttons" depends on X86 && I2C && LEDS_CLASS diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile index 0b6d025f0487..b10523f2878e 100644 --- a/drivers/input/misc/Makefile +++ b/drivers/input/misc/Makefile @@ -48,7 +48,6 @@ obj-$(CONFIG_INPUT_MAX8925_ONKEY) += max8925_onkey.o obj-$(CONFIG_INPUT_MAX8997_HAPTIC) += max8997_haptic.o obj-$(CONFIG_INPUT_MC13783_PWRBUTTON) += mc13783-pwrbutton.o obj-$(CONFIG_INPUT_MMA8450) += mma8450.o -obj-$(CONFIG_INPUT_MPU3050) += mpu3050.o obj-$(CONFIG_INPUT_PALMAS_PWRBUTTON) += palmas-pwrbutton.o obj-$(CONFIG_INPUT_PCAP) += pcap_keys.o obj-$(CONFIG_INPUT_PCF50633_PMU) += pcf50633-input.o diff --git a/drivers/input/misc/ab8500-ponkey.c b/drivers/input/misc/ab8500-ponkey.c index 4f5ef5bb535b..a33ed5710b15 100644 --- a/drivers/input/misc/ab8500-ponkey.c +++ b/drivers/input/misc/ab8500-ponkey.c @@ -109,7 +109,6 @@ static int ab8500_ponkey_probe(struct platform_device *pdev) return error; } - platform_set_drvdata(pdev, ponkey); return 0; } diff --git a/drivers/input/misc/arizona-haptics.c b/drivers/input/misc/arizona-haptics.c index 07ec465f1095..21dc1b8b2a4a 100644 --- a/drivers/input/misc/arizona-haptics.c +++ b/drivers/input/misc/arizona-haptics.c @@ -201,8 +201,6 @@ static int arizona_haptics_probe(struct platform_device *pdev) return ret; } - platform_set_drvdata(pdev, haptics); - return 0; } diff --git a/drivers/input/misc/atmel_captouch.c b/drivers/input/misc/atmel_captouch.c index 941265415a89..c4c0f4bb7627 100644 --- a/drivers/input/misc/atmel_captouch.c +++ b/drivers/input/misc/atmel_captouch.c @@ -191,7 +191,6 @@ static int atmel_captouch_probe(struct i2c_client *client, return -ENOMEM; capdev->client = client; - i2c_set_clientdata(client, capdev); err = atmel_read(capdev, REG_KEY_STATE, &capdev->prev_btn, sizeof(capdev->prev_btn)); diff --git a/drivers/input/misc/bfin_rotary.c b/drivers/input/misc/bfin_rotary.c index a0fc18fdfc0c..799ce3d2820e 100644 --- a/drivers/input/misc/bfin_rotary.c +++ b/drivers/input/misc/bfin_rotary.c @@ -147,19 +147,18 @@ static int bfin_rotary_probe(struct platform_device *pdev) if (pdata->pin_list) { error = peripheral_request_list(pdata->pin_list, - dev_name(&pdev->dev)); + dev_name(dev)); if (error) { dev_err(dev, "requesting peripherals failed: %d\n", error); return error; } - error = devm_add_action(dev, bfin_rotary_free_action, - pdata->pin_list); + error = devm_add_action_or_reset(dev, bfin_rotary_free_action, + pdata->pin_list); if (error) { dev_err(dev, "setting cleanup action failed: %d\n", error); - peripheral_free_list(pdata->pin_list); return error; } } @@ -189,7 +188,7 @@ static int bfin_rotary_probe(struct platform_device *pdev) input->name = pdev->name; input->phys = "bfin-rotary/input0"; - input->dev.parent = &pdev->dev; + input->dev.parent = dev; input_set_drvdata(input, rotary); @@ -239,7 +238,7 @@ static int bfin_rotary_probe(struct platform_device *pdev) } platform_set_drvdata(pdev, rotary); - device_init_wakeup(&pdev->dev, 1); + device_init_wakeup(dev, 1); return 0; } diff --git a/drivers/input/misc/bma150.c b/drivers/input/misc/bma150.c index 2124390ec38c..1fa85379f86c 100644 --- a/drivers/input/misc/bma150.c +++ b/drivers/input/misc/bma150.c @@ -207,7 +207,7 @@ static int bma150_set_mode(struct bma150_data *bma150, u8 mode) return error; if (mode == BMA150_MODE_NORMAL) - msleep(2); + usleep_range(2000, 2100); bma150->mode = mode; return 0; @@ -222,7 +222,7 @@ static int bma150_soft_reset(struct bma150_data *bma150) if (error) return error; - msleep(2); + usleep_range(2000, 2100); return 0; } diff --git a/drivers/input/misc/da9063_onkey.c b/drivers/input/misc/da9063_onkey.c index b4ff1e86d3d3..3e9c353d82ef 100644 --- a/drivers/input/misc/da9063_onkey.c +++ b/drivers/input/misc/da9063_onkey.c @@ -287,7 +287,6 @@ static int da9063_onkey_probe(struct platform_device *pdev) return error; } - platform_set_drvdata(pdev, onkey); return 0; } diff --git a/drivers/input/misc/dm355evm_keys.c b/drivers/input/misc/dm355evm_keys.c index b6b7bd4e5462..82e272ebc0ed 100644 --- a/drivers/input/misc/dm355evm_keys.c +++ b/drivers/input/misc/dm355evm_keys.c @@ -195,8 +195,6 @@ static int dm355evm_keys_probe(struct platform_device *pdev) goto fail1; keys->irq = status; - input_set_drvdata(input, keys); - input->name = "DM355 EVM Controls"; input->phys = "dm355evm/input0"; input->dev.parent = &pdev->dev; diff --git a/drivers/input/misc/drv260x.c b/drivers/input/misc/drv260x.c index 0a2b865b1000..fb089d36c0d6 100644 --- a/drivers/input/misc/drv260x.c +++ b/drivers/input/misc/drv260x.c @@ -538,7 +538,7 @@ static int drv260x_probe(struct i2c_client *client, haptics->input_dev = devm_input_allocate_device(dev); if (!haptics->input_dev) { - dev_err(&client->dev, "Failed to allocate input device\n"); + dev_err(dev, "Failed to allocate input device\n"); return -ENOMEM; } diff --git a/drivers/input/misc/e3x0-button.c b/drivers/input/misc/e3x0-button.c index 13bfca8a7b16..e956cf1d273f 100644 --- a/drivers/input/misc/e3x0-button.c +++ b/drivers/input/misc/e3x0-button.c @@ -120,17 +120,10 @@ static int e3x0_button_probe(struct platform_device *pdev) return error; } - platform_set_drvdata(pdev, input); device_init_wakeup(&pdev->dev, 1); return 0; } -static int e3x0_button_remove(struct platform_device *pdev) -{ - device_init_wakeup(&pdev->dev, 0); - return 0; -} - #ifdef CONFIG_OF static const struct of_device_id e3x0_button_match[] = { { .compatible = "ettus,e3x0-button", }, @@ -146,7 +139,6 @@ static struct platform_driver e3x0_button_driver = { .pm = &e3x0_button_pm_ops, }, .probe = e3x0_button_probe, - .remove = e3x0_button_remove, }; module_platform_driver(e3x0_button_driver); diff --git a/drivers/input/misc/gp2ap002a00f.c b/drivers/input/misc/gp2ap002a00f.c index 3bfdfcc20485..c6a29e57b5e4 100644 --- a/drivers/input/misc/gp2ap002a00f.c +++ b/drivers/input/misc/gp2ap002a00f.c @@ -210,8 +210,6 @@ static int gp2a_remove(struct i2c_client *client) struct gp2a_data *dt = i2c_get_clientdata(client); const struct gp2a_platform_data *pdata = dt->pdata; - device_init_wakeup(&client->dev, false); - free_irq(client->irq, dt); input_unregister_device(dt->input); diff --git a/drivers/input/misc/gpio_decoder.c b/drivers/input/misc/gpio_decoder.c index ca7e0bacb2d8..1dca526e6f1a 100644 --- a/drivers/input/misc/gpio_decoder.c +++ b/drivers/input/misc/gpio_decoder.c @@ -110,7 +110,6 @@ static int gpio_decoder_probe(struct platform_device *pdev) dev_err(dev, "failed to register polled device\n"); return err; } - platform_set_drvdata(pdev, decoder); return 0; } diff --git a/drivers/input/misc/gpio_tilt_polled.c b/drivers/input/misc/gpio_tilt_polled.c index f103b99d1852..6e217a45e39a 100644 --- a/drivers/input/misc/gpio_tilt_polled.c +++ b/drivers/input/misc/gpio_tilt_polled.c @@ -138,7 +138,7 @@ static int gpio_tilt_polled_probe(struct platform_device *pdev) input->name = pdev->name; input->phys = DRV_NAME"/input0"; - input->dev.parent = &pdev->dev; + input->dev.parent = dev; input->id.bustype = BUS_HOST; input->id.vendor = 0x0001; diff --git a/drivers/input/misc/hisi_powerkey.c b/drivers/input/misc/hisi_powerkey.c index 675539c529ce..dee6245f38d7 100644 --- a/drivers/input/misc/hisi_powerkey.c +++ b/drivers/input/misc/hisi_powerkey.c @@ -75,9 +75,9 @@ static int hi65xx_powerkey_probe(struct platform_device *pdev) struct input_dev *input; int irq, i, error; - input = devm_input_allocate_device(&pdev->dev); + input = devm_input_allocate_device(dev); if (!input) { - dev_err(&pdev->dev, "failed to allocate input device\n"); + dev_err(dev, "failed to allocate input device\n"); return -ENOMEM; } @@ -111,19 +111,11 @@ static int hi65xx_powerkey_probe(struct platform_device *pdev) error = input_register_device(input); if (error) { - dev_err(&pdev->dev, "failed to register input device: %d\n", - error); + dev_err(dev, "failed to register input device: %d\n", error); return error; } - device_init_wakeup(&pdev->dev, 1); - - return 0; -} - -static int hi65xx_powerkey_remove(struct platform_device *pdev) -{ - device_init_wakeup(&pdev->dev, 0); + device_init_wakeup(dev, 1); return 0; } @@ -133,7 +125,6 @@ static struct platform_driver hi65xx_powerkey_driver = { .name = "hi65xx-powerkey", }, .probe = hi65xx_powerkey_probe, - .remove = hi65xx_powerkey_remove, }; module_platform_driver(hi65xx_powerkey_driver); diff --git a/drivers/input/misc/mma8450.c b/drivers/input/misc/mma8450.c index 19c73574458e..b60cdea73826 100644 --- a/drivers/input/misc/mma8450.c +++ b/drivers/input/misc/mma8450.c @@ -205,8 +205,6 @@ static int mma8450_probe(struct i2c_client *c, return err; } - i2c_set_clientdata(c, m); - return 0; } diff --git a/drivers/input/misc/mpu3050.c b/drivers/input/misc/mpu3050.c deleted file mode 100644 index f088db31cfc7..000000000000 --- a/drivers/input/misc/mpu3050.c +++ /dev/null @@ -1,481 +0,0 @@ -/* - * MPU3050 Tri-axis gyroscope driver - * - * Copyright (C) 2011 Wistron Co.Ltd - * Joseph Lai <joseph_lai@wistron.com> - * - * Trimmed down by Alan Cox <alan@linux.intel.com> to produce this version - * - * This is a 'lite' version of the driver, while we consider the right way - * to present the other features to user space. In particular it requires the - * device has an IRQ, and it only provides an input interface, so is not much - * use for device orientation. A fuller version is available from the Meego - * tree. - * - * This program is based on bma023.c. - * - * 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; version 2 of the License. - * - * 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. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * - */ - -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/mutex.h> -#include <linux/err.h> -#include <linux/i2c.h> -#include <linux/input.h> -#include <linux/delay.h> -#include <linux/slab.h> -#include <linux/pm_runtime.h> - -#define MPU3050_CHIP_ID 0x69 - -#define MPU3050_AUTO_DELAY 1000 - -#define MPU3050_MIN_VALUE -32768 -#define MPU3050_MAX_VALUE 32767 - -#define MPU3050_DEFAULT_POLL_INTERVAL 200 -#define MPU3050_DEFAULT_FS_RANGE 3 - -/* Register map */ -#define MPU3050_CHIP_ID_REG 0x00 -#define MPU3050_SMPLRT_DIV 0x15 -#define MPU3050_DLPF_FS_SYNC 0x16 -#define MPU3050_INT_CFG 0x17 -#define MPU3050_XOUT_H 0x1D -#define MPU3050_PWR_MGM 0x3E -#define MPU3050_PWR_MGM_POS 6 - -/* Register bits */ - -/* DLPF_FS_SYNC */ -#define MPU3050_EXT_SYNC_NONE 0x00 -#define MPU3050_EXT_SYNC_TEMP 0x20 -#define MPU3050_EXT_SYNC_GYROX 0x40 -#define MPU3050_EXT_SYNC_GYROY 0x60 -#define MPU3050_EXT_SYNC_GYROZ 0x80 -#define MPU3050_EXT_SYNC_ACCELX 0xA0 -#define MPU3050_EXT_SYNC_ACCELY 0xC0 -#define MPU3050_EXT_SYNC_ACCELZ 0xE0 -#define MPU3050_EXT_SYNC_MASK 0xE0 -#define MPU3050_FS_250DPS 0x00 -#define MPU3050_FS_500DPS 0x08 -#define MPU3050_FS_1000DPS 0x10 -#define MPU3050_FS_2000DPS 0x18 -#define MPU3050_FS_MASK 0x18 -#define MPU3050_DLPF_CFG_256HZ_NOLPF2 0x00 -#define MPU3050_DLPF_CFG_188HZ 0x01 -#define MPU3050_DLPF_CFG_98HZ 0x02 -#define MPU3050_DLPF_CFG_42HZ 0x03 -#define MPU3050_DLPF_CFG_20HZ 0x04 -#define MPU3050_DLPF_CFG_10HZ 0x05 -#define MPU3050_DLPF_CFG_5HZ 0x06 -#define MPU3050_DLPF_CFG_2100HZ_NOLPF 0x07 -#define MPU3050_DLPF_CFG_MASK 0x07 -/* INT_CFG */ -#define MPU3050_RAW_RDY_EN 0x01 -#define MPU3050_MPU_RDY_EN 0x02 -#define MPU3050_LATCH_INT_EN 0x04 -/* PWR_MGM */ -#define MPU3050_PWR_MGM_PLL_X 0x01 -#define MPU3050_PWR_MGM_PLL_Y 0x02 -#define MPU3050_PWR_MGM_PLL_Z 0x03 -#define MPU3050_PWR_MGM_CLKSEL 0x07 -#define MPU3050_PWR_MGM_STBY_ZG 0x08 -#define MPU3050_PWR_MGM_STBY_YG 0x10 -#define MPU3050_PWR_MGM_STBY_XG 0x20 -#define MPU3050_PWR_MGM_SLEEP 0x40 -#define MPU3050_PWR_MGM_RESET 0x80 -#define MPU3050_PWR_MGM_MASK 0x40 - -struct axis_data { - s16 x; - s16 y; - s16 z; -}; - -struct mpu3050_sensor { - struct i2c_client *client; - struct device *dev; - struct input_dev *idev; -}; - -/** - * mpu3050_xyz_read_reg - read the axes values - * @buffer: provide register addr and get register - * @length: length of register - * - * Reads the register values in one transaction or returns a negative - * error code on failure. - */ -static int mpu3050_xyz_read_reg(struct i2c_client *client, - u8 *buffer, int length) -{ - /* - * Annoying we can't make this const because the i2c layer doesn't - * declare input buffers const. - */ - char cmd = MPU3050_XOUT_H; - struct i2c_msg msg[] = { - { - .addr = client->addr, - .flags = 0, - .len = 1, - .buf = &cmd, - }, - { - .addr = client->addr, - .flags = I2C_M_RD, - .len = length, - .buf = buffer, - }, - }; - - return i2c_transfer(client->adapter, msg, 2); -} - -/** - * mpu3050_read_xyz - get co-ordinates from device - * @client: i2c address of sensor - * @coords: co-ordinates to update - * - * Return the converted X Y and Z co-ordinates from the sensor device - */ -static void mpu3050_read_xyz(struct i2c_client *client, - struct axis_data *coords) -{ - u16 buffer[3]; - - mpu3050_xyz_read_reg(client, (u8 *)buffer, 6); - coords->x = be16_to_cpu(buffer[0]); - coords->y = be16_to_cpu(buffer[1]); - coords->z = be16_to_cpu(buffer[2]); - dev_dbg(&client->dev, "%s: x %d, y %d, z %d\n", __func__, - coords->x, coords->y, coords->z); -} - -/** - * mpu3050_set_power_mode - set the power mode - * @client: i2c client for the sensor - * @val: value to switch on/off of power, 1: normal power, 0: low power - * - * Put device to normal-power mode or low-power mode. - */ -static void mpu3050_set_power_mode(struct i2c_client *client, u8 val) -{ - u8 value; - - value = i2c_smbus_read_byte_data(client, MPU3050_PWR_MGM); - value = (value & ~MPU3050_PWR_MGM_MASK) | - (((val << MPU3050_PWR_MGM_POS) & MPU3050_PWR_MGM_MASK) ^ - MPU3050_PWR_MGM_MASK); - i2c_smbus_write_byte_data(client, MPU3050_PWR_MGM, value); -} - -/** - * mpu3050_input_open - called on input event open - * @input: input dev of opened device - * - * The input layer calls this function when input event is opened. The - * function will push the device to resume. Then, the device is ready - * to provide data. - */ -static int mpu3050_input_open(struct input_dev *input) -{ - struct mpu3050_sensor *sensor = input_get_drvdata(input); - int error; - - pm_runtime_get(sensor->dev); - - /* Enable interrupts */ - error = i2c_smbus_write_byte_data(sensor->client, MPU3050_INT_CFG, - MPU3050_LATCH_INT_EN | - MPU3050_RAW_RDY_EN | - MPU3050_MPU_RDY_EN); - if (error < 0) { - pm_runtime_put(sensor->dev); - return error; - } - - return 0; -} - -/** - * mpu3050_input_close - called on input event close - * @input: input dev of closed device - * - * The input layer calls this function when input event is closed. The - * function will push the device to suspend. - */ -static void mpu3050_input_close(struct input_dev *input) -{ - struct mpu3050_sensor *sensor = input_get_drvdata(input); - - pm_runtime_put(sensor->dev); -} - -/** - * mpu3050_interrupt_thread - handle an IRQ - * @irq: interrupt numner - * @data: the sensor - * - * Called by the kernel single threaded after an interrupt occurs. Read - * the sensor data and generate an input event for it. - */ -static irqreturn_t mpu3050_interrupt_thread(int irq, void *data) -{ - struct mpu3050_sensor *sensor = data; - struct axis_data axis; - - mpu3050_read_xyz(sensor->client, &axis); - - input_report_abs(sensor->idev, ABS_X, axis.x); - input_report_abs(sensor->idev, ABS_Y, axis.y); - input_report_abs(sensor->idev, ABS_Z, axis.z); - input_sync(sensor->idev); - - return IRQ_HANDLED; -} - -/** - * mpu3050_hw_init - initialize hardware - * @sensor: the sensor - * - * Called during device probe; configures the sampling method. - */ -static int mpu3050_hw_init(struct mpu3050_sensor *sensor) -{ - struct i2c_client *client = sensor->client; - int ret; - u8 reg; - - /* Reset */ - ret = i2c_smbus_write_byte_data(client, MPU3050_PWR_MGM, - MPU3050_PWR_MGM_RESET); - if (ret < 0) - return ret; - - ret = i2c_smbus_read_byte_data(client, MPU3050_PWR_MGM); - if (ret < 0) - return ret; - - ret &= ~MPU3050_PWR_MGM_CLKSEL; - ret |= MPU3050_PWR_MGM_PLL_Z; - ret = i2c_smbus_write_byte_data(client, MPU3050_PWR_MGM, ret); - if (ret < 0) - return ret; - - /* Output frequency divider. The poll interval */ - ret = i2c_smbus_write_byte_data(client, MPU3050_SMPLRT_DIV, - MPU3050_DEFAULT_POLL_INTERVAL - 1); - if (ret < 0) - return ret; - - /* Set low pass filter and full scale */ - reg = MPU3050_DEFAULT_FS_RANGE; - reg |= MPU3050_DLPF_CFG_42HZ << 3; - reg |= MPU3050_EXT_SYNC_NONE << 5; - ret = i2c_smbus_write_byte_data(client, MPU3050_DLPF_FS_SYNC, reg); - if (ret < 0) - return ret; - - return 0; -} - -/** - * mpu3050_probe - device detection callback - * @client: i2c client of found device - * @id: id match information - * - * The I2C layer calls us when it believes a sensor is present at this - * address. Probe to see if this is correct and to validate the device. - * - * If present install the relevant sysfs interfaces and input device. - */ -static int mpu3050_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct mpu3050_sensor *sensor; - struct input_dev *idev; - int ret; - int error; - - sensor = kzalloc(sizeof(struct mpu3050_sensor), GFP_KERNEL); - idev = input_allocate_device(); - if (!sensor || !idev) { - dev_err(&client->dev, "failed to allocate driver data\n"); - error = -ENOMEM; - goto err_free_mem; - } - - sensor->client = client; - sensor->dev = &client->dev; - sensor->idev = idev; - - mpu3050_set_power_mode(client, 1); - msleep(10); - - ret = i2c_smbus_read_byte_data(client, MPU3050_CHIP_ID_REG); - if (ret < 0) { - dev_err(&client->dev, "failed to detect device\n"); - error = -ENXIO; - goto err_free_mem; - } - - if (ret != MPU3050_CHIP_ID) { - dev_err(&client->dev, "unsupported chip id\n"); - error = -ENXIO; - goto err_free_mem; - } - - idev->name = "MPU3050"; - idev->id.bustype = BUS_I2C; - idev->dev.parent = &client->dev; - - idev->open = mpu3050_input_open; - idev->close = mpu3050_input_close; - - __set_bit(EV_ABS, idev->evbit); - input_set_abs_params(idev, ABS_X, - MPU3050_MIN_VALUE, MPU3050_MAX_VALUE, 0, 0); - input_set_abs_params(idev, ABS_Y, - MPU3050_MIN_VALUE, MPU3050_MAX_VALUE, 0, 0); - input_set_abs_params(idev, ABS_Z, - MPU3050_MIN_VALUE, MPU3050_MAX_VALUE, 0, 0); - - input_set_drvdata(idev, sensor); - - pm_runtime_set_active(&client->dev); - - error = mpu3050_hw_init(sensor); - if (error) - goto err_pm_set_suspended; - - error = request_threaded_irq(client->irq, - NULL, mpu3050_interrupt_thread, - IRQF_TRIGGER_RISING | IRQF_ONESHOT, - "mpu3050", sensor); - if (error) { - dev_err(&client->dev, - "can't get IRQ %d, error %d\n", client->irq, error); - goto err_pm_set_suspended; - } - - error = input_register_device(idev); - if (error) { - dev_err(&client->dev, "failed to register input device\n"); - goto err_free_irq; - } - - pm_runtime_enable(&client->dev); - pm_runtime_set_autosuspend_delay(&client->dev, MPU3050_AUTO_DELAY); - i2c_set_clientdata(client, sensor); - - return 0; - -err_free_irq: - free_irq(client->irq, sensor); -err_pm_set_suspended: - pm_runtime_set_suspended(&client->dev); -err_free_mem: - input_free_device(idev); - kfree(sensor); - return error; -} - -/** - * mpu3050_remove - remove a sensor - * @client: i2c client of sensor being removed - * - * Our sensor is going away, clean up the resources. - */ -static int mpu3050_remove(struct i2c_client *client) -{ - struct mpu3050_sensor *sensor = i2c_get_clientdata(client); - - pm_runtime_disable(&client->dev); - pm_runtime_set_suspended(&client->dev); - - free_irq(client->irq, sensor); - input_unregister_device(sensor->idev); - kfree(sensor); - - return 0; -} - -#ifdef CONFIG_PM -/** - * mpu3050_suspend - called on device suspend - * @dev: device being suspended - * - * Put the device into sleep mode before we suspend the machine. - */ -static int mpu3050_suspend(struct device *dev) -{ - struct i2c_client *client = to_i2c_client(dev); - - mpu3050_set_power_mode(client, 0); - - return 0; -} - -/** - * mpu3050_resume - called on device resume - * @dev: device being resumed - * - * Put the device into powered mode on resume. - */ -static int mpu3050_resume(struct device *dev) -{ - struct i2c_client *client = to_i2c_client(dev); - - mpu3050_set_power_mode(client, 1); - msleep(100); /* wait for gyro chip resume */ - - return 0; -} -#endif - -static UNIVERSAL_DEV_PM_OPS(mpu3050_pm, mpu3050_suspend, mpu3050_resume, NULL); - -static const struct i2c_device_id mpu3050_ids[] = { - { "mpu3050", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, mpu3050_ids); - -static const struct of_device_id mpu3050_of_match[] = { - { .compatible = "invn,mpu3050", }, - { }, -}; -MODULE_DEVICE_TABLE(of, mpu3050_of_match); - -static struct i2c_driver mpu3050_i2c_driver = { - .driver = { - .name = "mpu3050", - .pm = &mpu3050_pm, - .of_match_table = mpu3050_of_match, - }, - .probe = mpu3050_probe, - .remove = mpu3050_remove, - .id_table = mpu3050_ids, -}; - -module_i2c_driver(mpu3050_i2c_driver); - -MODULE_AUTHOR("Wistron Corp."); -MODULE_DESCRIPTION("MPU3050 Tri-axis gyroscope driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/input/misc/pm8941-pwrkey.c b/drivers/input/misc/pm8941-pwrkey.c index e317b75357a0..18ad956454f1 100644 --- a/drivers/input/misc/pm8941-pwrkey.c +++ b/drivers/input/misc/pm8941-pwrkey.c @@ -266,7 +266,6 @@ static int pm8941_pwrkey_remove(struct platform_device *pdev) { struct pm8941_pwrkey *pwrkey = platform_get_drvdata(pdev); - device_init_wakeup(&pdev->dev, 0); unregister_reboot_notifier(&pwrkey->reboot_notifier); return 0; diff --git a/drivers/input/misc/pmic8xxx-pwrkey.c b/drivers/input/misc/pmic8xxx-pwrkey.c index 67aab86048ad..73323b0c72c1 100644 --- a/drivers/input/misc/pmic8xxx-pwrkey.c +++ b/drivers/input/misc/pmic8xxx-pwrkey.c @@ -438,13 +438,6 @@ static int pmic8xxx_pwrkey_probe(struct platform_device *pdev) return 0; } -static int pmic8xxx_pwrkey_remove(struct platform_device *pdev) -{ - device_init_wakeup(&pdev->dev, 0); - - return 0; -} - static const struct of_device_id pm8xxx_pwr_key_id_table[] = { { .compatible = "qcom,pm8058-pwrkey", .data = &pm8058_pwrkey_shutdown }, { .compatible = "qcom,pm8921-pwrkey", .data = &pm8921_pwrkey_shutdown }, @@ -454,7 +447,6 @@ 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", diff --git a/drivers/input/misc/pwm-beeper.c b/drivers/input/misc/pwm-beeper.c index 5f9655d49a65..e53801dbd560 100644 --- a/drivers/input/misc/pwm-beeper.c +++ b/drivers/input/misc/pwm-beeper.c @@ -14,6 +14,7 @@ */ #include <linux/input.h> +#include <linux/regulator/consumer.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/of.h> @@ -25,29 +26,62 @@ struct pwm_beeper { struct input_dev *input; struct pwm_device *pwm; + struct regulator *amplifier; struct work_struct work; unsigned long period; + bool suspended; + bool amplifier_on; }; #define HZ_TO_NANOSECONDS(x) (1000000000UL/(x)) -static void __pwm_beeper_set(struct pwm_beeper *beeper) +static int pwm_beeper_on(struct pwm_beeper *beeper, unsigned long period) { - unsigned long period = beeper->period; + struct pwm_state state; + int error; + + pwm_get_state(beeper->pwm, &state); + + state.enabled = true; + state.period = period; + pwm_set_relative_duty_cycle(&state, 50, 100); + + error = pwm_apply_state(beeper->pwm, &state); + if (error) + return error; + + if (!beeper->amplifier_on) { + error = regulator_enable(beeper->amplifier); + if (error) { + pwm_disable(beeper->pwm); + return error; + } + + beeper->amplifier_on = true; + } + + return 0; +} - if (period) { - pwm_config(beeper->pwm, period / 2, period); - pwm_enable(beeper->pwm); - } else - pwm_disable(beeper->pwm); +static void pwm_beeper_off(struct pwm_beeper *beeper) +{ + if (beeper->amplifier_on) { + regulator_disable(beeper->amplifier); + beeper->amplifier_on = false; + } + + pwm_disable(beeper->pwm); } static void pwm_beeper_work(struct work_struct *work) { - struct pwm_beeper *beeper = - container_of(work, struct pwm_beeper, work); + struct pwm_beeper *beeper = container_of(work, struct pwm_beeper, work); + unsigned long period = READ_ONCE(beeper->period); - __pwm_beeper_set(beeper); + if (period) + pwm_beeper_on(beeper, period); + else + pwm_beeper_off(beeper); } static int pwm_beeper_event(struct input_dev *input, @@ -73,7 +107,8 @@ static int pwm_beeper_event(struct input_dev *input, else beeper->period = HZ_TO_NANOSECONDS(value); - schedule_work(&beeper->work); + if (!beeper->suspended) + schedule_work(&beeper->work); return 0; } @@ -81,9 +116,7 @@ static int pwm_beeper_event(struct input_dev *input, static void pwm_beeper_stop(struct pwm_beeper *beeper) { cancel_work_sync(&beeper->work); - - if (beeper->period) - pwm_disable(beeper->pwm); + pwm_beeper_off(beeper); } static void pwm_beeper_close(struct input_dev *input) @@ -95,41 +128,50 @@ static void pwm_beeper_close(struct input_dev *input) static int pwm_beeper_probe(struct platform_device *pdev) { - unsigned long pwm_id = (unsigned long)dev_get_platdata(&pdev->dev); + struct device *dev = &pdev->dev; struct pwm_beeper *beeper; + struct pwm_state state; int error; - beeper = kzalloc(sizeof(*beeper), GFP_KERNEL); + beeper = devm_kzalloc(dev, sizeof(*beeper), GFP_KERNEL); if (!beeper) return -ENOMEM; - beeper->pwm = pwm_get(&pdev->dev, NULL); + beeper->pwm = devm_pwm_get(dev, NULL); if (IS_ERR(beeper->pwm)) { - dev_dbg(&pdev->dev, "unable to request PWM, trying legacy API\n"); - beeper->pwm = pwm_request(pwm_id, "pwm beeper"); + error = PTR_ERR(beeper->pwm); + if (error != -EPROBE_DEFER) + dev_err(dev, "Failed to request PWM device: %d\n", + error); + return error; } - if (IS_ERR(beeper->pwm)) { - error = PTR_ERR(beeper->pwm); - dev_err(&pdev->dev, "Failed to request pwm device: %d\n", error); - goto err_free; + /* Sync up PWM state and ensure it is off. */ + pwm_init_state(beeper->pwm, &state); + state.enabled = false; + error = pwm_apply_state(beeper->pwm, &state); + if (error) { + dev_err(dev, "failed to apply initial PWM state: %d\n", + error); + return error; } - /* - * FIXME: pwm_apply_args() should be removed when switching to - * the atomic PWM API. - */ - pwm_apply_args(beeper->pwm); + beeper->amplifier = devm_regulator_get(dev, "amp"); + if (IS_ERR(beeper->amplifier)) { + error = PTR_ERR(beeper->amplifier); + if (error != -EPROBE_DEFER) + dev_err(dev, "Failed to get 'amp' regulator: %d\n", + error); + return error; + } INIT_WORK(&beeper->work, pwm_beeper_work); - beeper->input = input_allocate_device(); + beeper->input = devm_input_allocate_device(dev); if (!beeper->input) { - dev_err(&pdev->dev, "Failed to allocate input device\n"); - error = -ENOMEM; - goto err_pwm_free; + dev_err(dev, "Failed to allocate input device\n"); + return -ENOMEM; } - beeper->input->dev.parent = &pdev->dev; beeper->input->name = "pwm-beeper"; beeper->input->phys = "pwm/input0"; @@ -138,8 +180,8 @@ static int pwm_beeper_probe(struct platform_device *pdev) beeper->input->id.product = 0x0001; beeper->input->id.version = 0x0100; - beeper->input->evbit[0] = BIT(EV_SND); - beeper->input->sndbit[0] = BIT(SND_TONE) | BIT(SND_BELL); + input_set_capability(beeper->input, EV_SND, SND_TONE); + input_set_capability(beeper->input, EV_SND, SND_BELL); beeper->input->event = pwm_beeper_event; beeper->input->close = pwm_beeper_close; @@ -148,41 +190,28 @@ static int pwm_beeper_probe(struct platform_device *pdev) error = input_register_device(beeper->input); if (error) { - dev_err(&pdev->dev, "Failed to register input device: %d\n", error); - goto err_input_free; + dev_err(dev, "Failed to register input device: %d\n", error); + return error; } platform_set_drvdata(pdev, beeper); return 0; - -err_input_free: - input_free_device(beeper->input); -err_pwm_free: - pwm_free(beeper->pwm); -err_free: - kfree(beeper); - - return error; -} - -static int pwm_beeper_remove(struct platform_device *pdev) -{ - struct pwm_beeper *beeper = platform_get_drvdata(pdev); - - input_unregister_device(beeper->input); - - pwm_free(beeper->pwm); - - kfree(beeper); - - return 0; } static int __maybe_unused pwm_beeper_suspend(struct device *dev) { struct pwm_beeper *beeper = dev_get_drvdata(dev); + /* + * Spinlock is taken here is not to protect write to + * beeper->suspended, but to ensure that pwm_beeper_event + * does not re-submit work once flag is set. + */ + spin_lock_irq(&beeper->input->event_lock); + beeper->suspended = true; + spin_unlock_irq(&beeper->input->event_lock); + pwm_beeper_stop(beeper); return 0; @@ -192,8 +221,12 @@ static int __maybe_unused pwm_beeper_resume(struct device *dev) { struct pwm_beeper *beeper = dev_get_drvdata(dev); - if (beeper->period) - __pwm_beeper_set(beeper); + spin_lock_irq(&beeper->input->event_lock); + beeper->suspended = false; + spin_unlock_irq(&beeper->input->event_lock); + + /* Let worker figure out if we should resume beeping */ + schedule_work(&beeper->work); return 0; } @@ -211,7 +244,6 @@ MODULE_DEVICE_TABLE(of, pwm_beeper_match); static struct platform_driver pwm_beeper_driver = { .probe = pwm_beeper_probe, - .remove = pwm_beeper_remove, .driver = { .name = "pwm-beeper", .pm = &pwm_beeper_pm_ops, diff --git a/drivers/input/misc/retu-pwrbutton.c b/drivers/input/misc/retu-pwrbutton.c index 30b459b6b344..64023ac08e2b 100644 --- a/drivers/input/misc/retu-pwrbutton.c +++ b/drivers/input/misc/retu-pwrbutton.c @@ -76,14 +76,8 @@ static int retu_pwrbutton_probe(struct platform_device *pdev) return 0; } -static int retu_pwrbutton_remove(struct platform_device *pdev) -{ - return 0; -} - static struct platform_driver retu_pwrbutton_driver = { .probe = retu_pwrbutton_probe, - .remove = retu_pwrbutton_remove, .driver = { .name = "retu-pwrbutton", }, diff --git a/drivers/input/misc/sirfsoc-onkey.c b/drivers/input/misc/sirfsoc-onkey.c index ed7237f19539..4fd038d476a3 100644 --- a/drivers/input/misc/sirfsoc-onkey.c +++ b/drivers/input/misc/sirfsoc-onkey.c @@ -172,13 +172,6 @@ static int sirfsoc_pwrc_probe(struct platform_device *pdev) return 0; } -static int sirfsoc_pwrc_remove(struct platform_device *pdev) -{ - device_init_wakeup(&pdev->dev, 0); - - return 0; -} - static int __maybe_unused sirfsoc_pwrc_resume(struct device *dev) { struct sirfsoc_pwrc_drvdata *pwrcdrv = dev_get_drvdata(dev); @@ -200,7 +193,6 @@ static SIMPLE_DEV_PM_OPS(sirfsoc_pwrc_pm_ops, NULL, sirfsoc_pwrc_resume); static struct platform_driver sirfsoc_pwrc_driver = { .probe = sirfsoc_pwrc_probe, - .remove = sirfsoc_pwrc_remove, .driver = { .name = "sirfsoc-pwrc", .pm = &sirfsoc_pwrc_pm_ops, diff --git a/drivers/input/misc/soc_button_array.c b/drivers/input/misc/soc_button_array.c index 908b51089dee..ddb2f22fca7a 100644 --- a/drivers/input/misc/soc_button_array.c +++ b/drivers/input/misc/soc_button_array.c @@ -102,6 +102,8 @@ soc_button_device_create(struct platform_device *pdev, gpio_keys[n_buttons].active_low = 1; gpio_keys[n_buttons].desc = info->name; gpio_keys[n_buttons].wakeup = info->wakeup; + /* These devices often use cheap buttons, use 50 ms debounce */ + gpio_keys[n_buttons].debounce_interval = 50; n_buttons++; } @@ -167,12 +169,12 @@ static int soc_button_probe(struct platform_device *pdev) button_info = (struct soc_button_info *)id->driver_data; - if (gpiod_count(&pdev->dev, KBUILD_MODNAME) <= 0) { - dev_dbg(&pdev->dev, "no GPIO attached, ignoring...\n"); + if (gpiod_count(dev, KBUILD_MODNAME) <= 0) { + dev_dbg(dev, "no GPIO attached, ignoring...\n"); return -ENODEV; } - priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; diff --git a/drivers/input/misc/tps65218-pwrbutton.c b/drivers/input/misc/tps65218-pwrbutton.c index cc74a41bdb0d..a4455bb12ae0 100644 --- a/drivers/input/misc/tps65218-pwrbutton.c +++ b/drivers/input/misc/tps65218-pwrbutton.c @@ -95,7 +95,7 @@ static int tps6521x_pb_probe(struct platform_device *pdev) int error; int irq; - match = of_match_node(of_tps6521x_pb_match, pdev->dev.of_node); + match = of_match_node(of_tps6521x_pb_match, dev->of_node); if (!match) return -ENXIO; @@ -118,10 +118,9 @@ static int tps6521x_pb_probe(struct platform_device *pdev) input_set_capability(idev, EV_KEY, KEY_POWER); - pwr->regmap = dev_get_regmap(pdev->dev.parent, NULL); + pwr->regmap = dev_get_regmap(dev->parent, NULL); pwr->dev = dev; pwr->idev = idev; - platform_set_drvdata(pdev, pwr); device_init_wakeup(dev, true); irq = platform_get_irq(pdev, 0); @@ -136,8 +135,7 @@ static int tps6521x_pb_probe(struct platform_device *pdev) IRQF_ONESHOT, pwr->data->name, pwr); if (error) { - dev_err(dev, "failed to request IRQ #%d: %d\n", - irq, error); + dev_err(dev, "failed to request IRQ #%d: %d\n", irq, error); return error; } diff --git a/drivers/input/misc/twl4030-pwrbutton.c b/drivers/input/misc/twl4030-pwrbutton.c index 603fc2fadf05..54162d2cbcfc 100644 --- a/drivers/input/misc/twl4030-pwrbutton.c +++ b/drivers/input/misc/twl4030-pwrbutton.c @@ -85,7 +85,6 @@ static int twl4030_pwrbutton_probe(struct platform_device *pdev) return err; } - platform_set_drvdata(pdev, pwr); device_init_wakeup(&pdev->dev, true); return 0; diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 328edc8c8786..72b28ebfe360 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -1855,7 +1855,7 @@ static int alps_absolute_mode_v1_v2(struct psmouse *psmouse) * Switch mouse to poll (remote) mode so motion data will not * get in our way */ - return ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETPOLL); + return ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL); } static int alps_monitor_mode_send_word(struct psmouse *psmouse, u16 word) diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c index 30e3442518f8..d0122134f320 100644 --- a/drivers/input/mouse/bcm5974.c +++ b/drivers/input/mouse/bcm5974.c @@ -665,7 +665,7 @@ static int bcm5974_wellspring_mode(struct bcm5974 *dev, bool on) char *data; /* Type 3 does not require a mode switch */ - if (dev->cfg.tp_type == TYPE3) + if (c->tp_type == TYPE3) return 0; data = kmalloc(c->um_size, GFP_KERNEL); diff --git a/drivers/input/mouse/cyapa.c b/drivers/input/mouse/cyapa.c index dc2394292088..fd8865c65caf 100644 --- a/drivers/input/mouse/cyapa.c +++ b/drivers/input/mouse/cyapa.c @@ -832,8 +832,8 @@ static int cyapa_prepare_wakeup_controls(struct cyapa *cyapa) int error; if (device_can_wakeup(dev)) { - error = sysfs_merge_group(&client->dev.kobj, - &cyapa_power_wakeup_group); + error = sysfs_merge_group(&dev->kobj, + &cyapa_power_wakeup_group); if (error) { dev_err(dev, "failed to add power wakeup group: %d\n", error); @@ -1312,7 +1312,7 @@ static int cyapa_probe(struct i2c_client *client, return error; } - error = sysfs_create_group(&client->dev.kobj, &cyapa_sysfs_group); + error = sysfs_create_group(&dev->kobj, &cyapa_sysfs_group); if (error) { dev_err(dev, "failed to create sysfs entries: %d\n", error); return error; diff --git a/drivers/input/mouse/cyapa_gen3.c b/drivers/input/mouse/cyapa_gen3.c index f9600753eca5..1cbfa4a6e830 100644 --- a/drivers/input/mouse/cyapa_gen3.c +++ b/drivers/input/mouse/cyapa_gen3.c @@ -562,7 +562,7 @@ static int cyapa_gen3_bl_exit(struct cyapa *cyapa) * Wait for bootloader to exit, and operation mode to start. * Normally, this takes at least 50 ms. */ - usleep_range(50000, 100000); + msleep(50); /* * In addition, when a device boots for the first time after being * updated to new firmware, it must first calibrate its sensors, which @@ -789,7 +789,7 @@ static ssize_t cyapa_gen3_do_calibrate(struct device *dev, const char *buf, size_t count) { struct cyapa *cyapa = dev_get_drvdata(dev); - int tries; + unsigned long timeout; int ret; ret = cyapa_read_byte(cyapa, CYAPA_CMD_DEV_STATUS); @@ -812,31 +812,28 @@ static ssize_t cyapa_gen3_do_calibrate(struct device *dev, goto out; } - tries = 20; /* max recalibration timeout 2s. */ + /* max recalibration timeout 2s. */ + timeout = jiffies + 2 * HZ; do { /* * For this recalibration, the max time will not exceed 2s. * The average time is approximately 500 - 700 ms, and we * will check the status every 100 - 200ms. */ - usleep_range(100000, 200000); - + msleep(100); ret = cyapa_read_byte(cyapa, CYAPA_CMD_DEV_STATUS); if (ret < 0) { - dev_err(dev, "Error reading dev status: %d\n", - ret); + dev_err(dev, "Error reading dev status: %d\n", ret); goto out; } - if ((ret & CYAPA_DEV_NORMAL) == CYAPA_DEV_NORMAL) - break; - } while (--tries); + if ((ret & CYAPA_DEV_NORMAL) == CYAPA_DEV_NORMAL) { + dev_dbg(dev, "Calibration successful.\n"); + goto out; + } + } while (time_is_after_jiffies(timeout)); - if (tries == 0) { - dev_err(dev, "Failed to calibrate. Timeout.\n"); - ret = -ETIMEDOUT; - goto out; - } - dev_dbg(dev, "Calibration successful.\n"); + dev_err(dev, "Failed to calibrate. Timeout.\n"); + ret = -ETIMEDOUT; out: return ret < 0 ? ret : count; diff --git a/drivers/input/mouse/cypress_ps2.c b/drivers/input/mouse/cypress_ps2.c index 28dcfc822bf6..21bad3e75fee 100644 --- a/drivers/input/mouse/cypress_ps2.c +++ b/drivers/input/mouse/cypress_ps2.c @@ -107,7 +107,7 @@ static int cypress_ps2_read_cmd_status(struct psmouse *psmouse, enum psmouse_state old_state; int pktsize; - ps2_begin_command(&psmouse->ps2dev); + ps2_begin_command(ps2dev); old_state = psmouse->state; psmouse->state = PSMOUSE_CMD_MODE; @@ -133,7 +133,7 @@ out: psmouse->state = old_state; psmouse->pktcnt = 0; - ps2_end_command(&psmouse->ps2dev); + ps2_end_command(ps2dev); return rc; } @@ -414,8 +414,6 @@ static int cypress_set_input_params(struct input_dev *input, __set_bit(BTN_RIGHT, input->keybit); __set_bit(BTN_MIDDLE, input->keybit); - input_set_drvdata(input, cytp); - return 0; } diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c index 1e1d0ad406f2..352050e9031d 100644 --- a/drivers/input/mouse/elan_i2c_core.c +++ b/drivers/input/mouse/elan_i2c_core.c @@ -1041,8 +1041,7 @@ static int elan_probe(struct i2c_client *client, return -EIO; } - data = devm_kzalloc(&client->dev, sizeof(struct elan_tp_data), - GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(struct elan_tp_data), GFP_KERNEL); if (!data) return -ENOMEM; @@ -1053,29 +1052,25 @@ static int elan_probe(struct i2c_client *client, init_completion(&data->fw_completion); mutex_init(&data->sysfs_mutex); - data->vcc = devm_regulator_get(&client->dev, "vcc"); + data->vcc = devm_regulator_get(dev, "vcc"); if (IS_ERR(data->vcc)) { error = PTR_ERR(data->vcc); if (error != -EPROBE_DEFER) - dev_err(&client->dev, - "Failed to get 'vcc' regulator: %d\n", + dev_err(dev, "Failed to get 'vcc' regulator: %d\n", error); return error; } error = regulator_enable(data->vcc); if (error) { - dev_err(&client->dev, - "Failed to enable regulator: %d\n", error); + dev_err(dev, "Failed to enable regulator: %d\n", error); return error; } - error = devm_add_action(&client->dev, - elan_disable_regulator, data); + error = devm_add_action(dev, elan_disable_regulator, data); if (error) { regulator_disable(data->vcc); - dev_err(&client->dev, - "Failed to add disable regulator action: %d\n", + dev_err(dev, "Failed to add disable regulator action: %d\n", error); return error; } @@ -1093,14 +1088,14 @@ static int elan_probe(struct i2c_client *client, if (error) return error; - dev_info(&client->dev, + dev_info(dev, "Elan Touchpad: Module ID: 0x%04x, Firmware: 0x%04x, Sample: 0x%04x, IAP: 0x%04x\n", data->product_id, data->fw_version, data->sm_version, data->iap_version); - dev_dbg(&client->dev, + dev_dbg(dev, "Elan Touchpad Extra Information:\n" " Max ABS X,Y: %d,%d\n" " Width X,Y: %d,%d\n" @@ -1118,38 +1113,33 @@ static int elan_probe(struct i2c_client *client, * Systems using device tree should set up interrupt via DTS, * the rest will use the default falling edge interrupts. */ - irqflags = client->dev.of_node ? 0 : IRQF_TRIGGER_FALLING; + irqflags = dev->of_node ? 0 : IRQF_TRIGGER_FALLING; - error = devm_request_threaded_irq(&client->dev, client->irq, - NULL, elan_isr, + error = devm_request_threaded_irq(dev, client->irq, NULL, elan_isr, irqflags | IRQF_ONESHOT, client->name, data); if (error) { - dev_err(&client->dev, "cannot register irq=%d\n", client->irq); + dev_err(dev, "cannot register irq=%d\n", client->irq); return error; } - error = sysfs_create_groups(&client->dev.kobj, elan_sysfs_groups); + error = sysfs_create_groups(&dev->kobj, elan_sysfs_groups); if (error) { - dev_err(&client->dev, "failed to create sysfs attributes: %d\n", - error); + dev_err(dev, "failed to create sysfs attributes: %d\n", error); return error; } - error = devm_add_action(&client->dev, - elan_remove_sysfs_groups, data); + error = devm_add_action(dev, elan_remove_sysfs_groups, data); if (error) { elan_remove_sysfs_groups(data); - dev_err(&client->dev, - "Failed to add sysfs cleanup action: %d\n", + dev_err(dev, "Failed to add sysfs cleanup action: %d\n", error); return error; } error = input_register_device(data->input); if (error) { - dev_err(&client->dev, "failed to register input device: %d\n", - error); + dev_err(dev, "failed to register input device: %d\n", error); return error; } @@ -1157,8 +1147,8 @@ static int elan_probe(struct i2c_client *client, * Systems using device tree should set up wakeup via DTS, * the rest will configure device as wakeup source by default. */ - if (!client->dev.of_node) - device_init_wakeup(&client->dev, true); + if (!dev->of_node) + device_init_wakeup(dev, true); return 0; } diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index db7d1d666ac1..efc8ec342351 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1412,7 +1412,7 @@ int elantech_detect(struct psmouse *psmouse, bool set_properties) struct ps2dev *ps2dev = &psmouse->ps2dev; unsigned char param[3]; - ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_RESET_DIS); + ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_DIS); if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || diff --git a/drivers/input/mouse/hgpk.c b/drivers/input/mouse/hgpk.c index 62be888e83d0..015509e0b140 100644 --- a/drivers/input/mouse/hgpk.c +++ b/drivers/input/mouse/hgpk.c @@ -713,8 +713,7 @@ static int hgpk_toggle_powersave(struct psmouse *psmouse, int enable) * the upper bound. (in practice, it takes about 3 loops.) */ for (timeo = 20; timeo > 0; timeo--) { - if (!ps2_sendbyte(&psmouse->ps2dev, - PSMOUSE_CMD_DISABLE, 20)) + if (!ps2_sendbyte(ps2dev, PSMOUSE_CMD_DISABLE, 20)) break; msleep(25); } @@ -740,7 +739,7 @@ static int hgpk_toggle_powersave(struct psmouse *psmouse, int enable) psmouse_set_state(psmouse, PSMOUSE_IGNORE); /* probably won't see an ACK, the touchpad will be off */ - ps2_sendbyte(&psmouse->ps2dev, 0xec, 20); + ps2_sendbyte(ps2dev, 0xec, 20); } return 0; diff --git a/drivers/input/mouse/logips2pp.c b/drivers/input/mouse/logips2pp.c index 422da1cd9e76..ef9c97f5e3d7 100644 --- a/drivers/input/mouse/logips2pp.c +++ b/drivers/input/mouse/logips2pp.c @@ -402,7 +402,7 @@ int ps2pp_detect(struct psmouse *psmouse, bool set_properties) psmouse->set_resolution = ps2pp_set_resolution; psmouse->disconnect = ps2pp_disconnect; - error = device_create_file(&psmouse->ps2dev.serio->dev, + error = device_create_file(&ps2dev->serio->dev, &psmouse_attr_smartscroll.dattr); if (error) { psmouse_err(psmouse, diff --git a/drivers/input/mouse/maplemouse.c b/drivers/input/mouse/maplemouse.c index 0a60717b91c6..25f0ecb90126 100644 --- a/drivers/input/mouse/maplemouse.c +++ b/drivers/input/mouse/maplemouse.c @@ -87,7 +87,6 @@ static int probe_maple_mouse(struct device *dev) mse->dev = input_dev; mse->mdev = mdev; - input_set_drvdata(input_dev, mse); input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); input_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE); diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index bee267424972..a598b7223cef 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -127,6 +127,13 @@ struct psmouse_protocol { int (*init)(struct psmouse *); }; +static void psmouse_report_standard_buttons(struct input_dev *dev, u8 buttons) +{ + input_report_key(dev, BTN_LEFT, buttons & BIT(0)); + input_report_key(dev, BTN_MIDDLE, buttons & BIT(2)); + input_report_key(dev, BTN_RIGHT, buttons & BIT(1)); +} + /* * psmouse_process_byte() analyzes the PS/2 data stream and reports * relevant events to the input module once full packet has arrived. @@ -199,9 +206,8 @@ psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse) } /* Generic PS/2 Mouse */ - input_report_key(dev, BTN_LEFT, packet[0] & 1); - input_report_key(dev, BTN_MIDDLE, (packet[0] >> 2) & 1); - input_report_key(dev, BTN_RIGHT, (packet[0] >> 1) & 1); + psmouse_report_standard_buttons(dev, + packet[0] | psmouse->extra_buttons); input_report_rel(dev, REL_X, packet[1] ? (int) packet[1] - (int) ((packet[0] << 4) & 0x100) : 0); input_report_rel(dev, REL_Y, packet[2] ? (int) ((packet[0] << 3) & 0x100) - (int) packet[2] : 0); @@ -282,6 +288,30 @@ static int psmouse_handle_byte(struct psmouse *psmouse) return 0; } +static void psmouse_handle_oob_data(struct psmouse *psmouse, u8 data) +{ + switch (psmouse->oob_data_type) { + case PSMOUSE_OOB_NONE: + psmouse->oob_data_type = data; + break; + + case PSMOUSE_OOB_EXTRA_BTNS: + psmouse_report_standard_buttons(psmouse->dev, data); + input_sync(psmouse->dev); + + psmouse->extra_buttons = data; + psmouse->oob_data_type = PSMOUSE_OOB_NONE; + break; + + default: + psmouse_warn(psmouse, + "unknown OOB_DATA type: 0x%02x\n", + psmouse->oob_data_type); + psmouse->oob_data_type = PSMOUSE_OOB_NONE; + break; + } +} + /* * psmouse_interrupt() handles incoming characters, either passing them * for normal processing or gathering them as command response. @@ -306,6 +336,11 @@ static irqreturn_t psmouse_interrupt(struct serio *serio, goto out; } + if (flags & SERIO_OOB_DATA) { + psmouse_handle_oob_data(psmouse, data); + goto out; + } + if (unlikely(psmouse->ps2dev.flags & PS2_FLAG_ACK)) if (ps2_handle_ack(&psmouse->ps2dev, data)) goto out; diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h index e0ca6cda3d16..8c83b8e2505c 100644 --- a/drivers/input/mouse/psmouse.h +++ b/drivers/input/mouse/psmouse.h @@ -1,6 +1,9 @@ #ifndef _PSMOUSE_H #define _PSMOUSE_H +#define PSMOUSE_OOB_NONE 0x00 +#define PSMOUSE_OOB_EXTRA_BTNS 0x01 + #define PSMOUSE_CMD_SETSCALE11 0x00e6 #define PSMOUSE_CMD_SETSCALE21 0x00e7 #define PSMOUSE_CMD_SETRES 0x10e8 @@ -53,6 +56,8 @@ struct psmouse { unsigned char pktcnt; unsigned char pktsize; unsigned char type; + unsigned char oob_data_type; + unsigned char extra_buttons; bool ignore_parity; bool acks_disable_command; unsigned int model; diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index a41d8328c064..597ee4b01d9f 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -597,15 +597,13 @@ static int synaptics_is_pt_packet(unsigned char *buf) return (buf[0] & 0xFC) == 0x84 && (buf[3] & 0xCC) == 0xC4; } -static void synaptics_pass_pt_packet(struct psmouse *psmouse, - struct serio *ptport, +static void synaptics_pass_pt_packet(struct serio *ptport, unsigned char *packet) { - struct synaptics_data *priv = psmouse->private; struct psmouse *child = serio_get_drvdata(ptport); if (child && child->state == PSMOUSE_ACTIVATED) { - serio_interrupt(ptport, packet[1] | priv->pt_buttons, 0); + serio_interrupt(ptport, packet[1], 0); serio_interrupt(ptport, packet[4], 0); serio_interrupt(ptport, packet[5], 0); if (child->pktsize == 4) @@ -856,7 +854,6 @@ static void synaptics_report_ext_buttons(struct psmouse *psmouse, struct input_dev *dev = psmouse->dev; struct synaptics_data *priv = psmouse->private; int ext_bits = (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) + 1) >> 1; - char buf[6] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; int i; if (!SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap)) @@ -883,15 +880,18 @@ static void synaptics_report_ext_buttons(struct psmouse *psmouse, * physically wired to the touchpad. Re-route them through * the pass-through interface. */ - if (!priv->pt_port) - return; + if (priv->pt_port) { + u8 pt_buttons; - /* The trackstick expects at most 3 buttons */ - priv->pt_buttons = SYN_CAP_EXT_BUTTON_STICK_L(hw->ext_buttons) | - SYN_CAP_EXT_BUTTON_STICK_R(hw->ext_buttons) << 1 | - SYN_CAP_EXT_BUTTON_STICK_M(hw->ext_buttons) << 2; + /* The trackstick expects at most 3 buttons */ + pt_buttons = SYN_CAP_EXT_BUTTON_STICK_L(hw->ext_buttons) | + SYN_CAP_EXT_BUTTON_STICK_R(hw->ext_buttons) << 1 | + SYN_CAP_EXT_BUTTON_STICK_M(hw->ext_buttons) << 2; - synaptics_pass_pt_packet(psmouse, priv->pt_port, buf); + serio_interrupt(priv->pt_port, + PSMOUSE_OOB_EXTRA_BTNS, SERIO_OOB_DATA); + serio_interrupt(priv->pt_port, pt_buttons, SERIO_OOB_DATA); + } } static void synaptics_report_buttons(struct psmouse *psmouse, @@ -1132,7 +1132,7 @@ static psmouse_ret_t synaptics_process_byte(struct psmouse *psmouse) if (SYN_CAP_PASS_THROUGH(priv->capabilities) && synaptics_is_pt_packet(psmouse->packet)) { if (priv->pt_port) - synaptics_pass_pt_packet(psmouse, priv->pt_port, + synaptics_pass_pt_packet(priv->pt_port, psmouse->packet); } else synaptics_process_packet(psmouse); diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h index 56faa7ec4434..116ae2546ace 100644 --- a/drivers/input/mouse/synaptics.h +++ b/drivers/input/mouse/synaptics.h @@ -183,7 +183,6 @@ struct synaptics_data { bool disable_gesture; /* disable gestures */ struct serio *pt_port; /* Pass-through serio port */ - unsigned char pt_buttons; /* Pass-through buttons */ /* * Last received Advanced Gesture Mode (AGM) packet. An AGM packet diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c index 7331084973e1..922ea02edcc3 100644 --- a/drivers/input/mouse/trackpoint.c +++ b/drivers/input/mouse/trackpoint.c @@ -379,7 +379,7 @@ int trackpoint_detect(struct psmouse *psmouse, bool set_properties) if (!set_properties) return 0; - if (trackpoint_read(&psmouse->ps2dev, TP_EXT_BTN, &button_info)) { + if (trackpoint_read(ps2dev, TP_EXT_BTN, &button_info)) { psmouse_warn(psmouse, "failed to get extended button data\n"); button_info = 0; } @@ -402,7 +402,7 @@ int trackpoint_detect(struct psmouse *psmouse, bool set_properties) trackpoint_defaults(psmouse->private); - error = trackpoint_power_on_reset(&psmouse->ps2dev); + error = trackpoint_power_on_reset(ps2dev); /* Write defaults to TP only if reset fails. */ if (error) diff --git a/drivers/input/rmi4/Kconfig b/drivers/input/rmi4/Kconfig index bb7762bf2879..7172b88cd064 100644 --- a/drivers/input/rmi4/Kconfig +++ b/drivers/input/rmi4/Kconfig @@ -9,9 +9,11 @@ config RMI4_CORE If unsure, say Y. +if RMI4_CORE + config RMI4_I2C tristate "RMI4 I2C Support" - depends on RMI4_CORE && I2C + depends on I2C help Say Y here if you want to support RMI4 devices connected to an I2C bus. @@ -20,7 +22,7 @@ config RMI4_I2C config RMI4_SPI tristate "RMI4 SPI Support" - depends on RMI4_CORE && SPI + depends on SPI help Say Y here if you want to support RMI4 devices connected to a SPI bus. @@ -29,7 +31,7 @@ config RMI4_SPI config RMI4_SMB tristate "RMI4 SMB Support" - depends on RMI4_CORE && I2C + depends on I2C help Say Y here if you want to support RMI4 devices connected to an SMB bus. @@ -40,13 +42,13 @@ config RMI4_SMB called rmi_smbus. config RMI4_F03 - bool "RMI4 Function 03 (PS2 Guest)" + bool "RMI4 Function 03 (PS2 Guest)" depends on RMI4_CORE - help - Say Y here if you want to add support for RMI4 function 03. + help + Say Y here if you want to add support for RMI4 function 03. - Function 03 provides PS2 guest support for RMI4 devices. This - includes support for TrackPoints on TouchPads. + Function 03 provides PS2 guest support for RMI4 devices. This + includes support for TrackPoints on TouchPads. config RMI4_F03_SERIO tristate @@ -57,12 +59,10 @@ config RMI4_F03_SERIO config RMI4_2D_SENSOR bool - depends on RMI4_CORE config RMI4_F11 bool "RMI4 Function 11 (2D pointing)" select RMI4_2D_SENSOR - depends on RMI4_CORE help Say Y here if you want to add support for RMI4 function 11. @@ -73,7 +73,6 @@ config RMI4_F11 config RMI4_F12 bool "RMI4 Function 12 (2D pointing)" select RMI4_2D_SENSOR - depends on RMI4_CORE help Say Y here if you want to add support for RMI4 function 12. @@ -83,7 +82,6 @@ config RMI4_F12 config RMI4_F30 bool "RMI4 Function 30 (GPIO LED)" - depends on RMI4_CORE help Say Y here if you want to add support for RMI4 function 30. @@ -92,7 +90,6 @@ config RMI4_F30 config RMI4_F34 bool "RMI4 Function 34 (Device reflash)" - depends on RMI4_CORE select FW_LOADER help Say Y here if you want to add support for RMI4 function 34. @@ -103,7 +100,6 @@ config RMI4_F34 config RMI4_F54 bool "RMI4 Function 54 (Analog diagnostics)" - depends on RMI4_CORE depends on VIDEO_V4L2=y || (RMI4_CORE=m && VIDEO_V4L2=m) select VIDEOBUF2_VMALLOC select RMI4_F55 @@ -115,9 +111,10 @@ config RMI4_F54 config RMI4_F55 bool "RMI4 Function 55 (Sensor tuning)" - depends on RMI4_CORE help Say Y here if you want to add support for RMI4 function 55 Function 55 provides access to the RMI4 touch sensor tuning mechanism. + +endif # RMI_CORE diff --git a/drivers/input/rmi4/rmi_2d_sensor.c b/drivers/input/rmi4/rmi_2d_sensor.c index 07007ff8e29f..8bb866c7b985 100644 --- a/drivers/input/rmi4/rmi_2d_sensor.c +++ b/drivers/input/rmi4/rmi_2d_sensor.c @@ -144,8 +144,13 @@ static void rmi_2d_sensor_set_input_params(struct rmi_2d_sensor *sensor) int input_flags = 0; if (sensor->report_abs) { - if (sensor->axis_align.swap_axes) + if (sensor->axis_align.swap_axes) { swap(sensor->max_x, sensor->max_y); + swap(sensor->axis_align.clip_x_low, + sensor->axis_align.clip_y_low); + swap(sensor->axis_align.clip_x_high, + sensor->axis_align.clip_y_high); + } sensor->min_x = sensor->axis_align.clip_x_low; if (sensor->axis_align.clip_x_high) diff --git a/drivers/input/rmi4/rmi_bus.c b/drivers/input/rmi4/rmi_bus.c index 1c40d94ca506..ae1bffe45c75 100644 --- a/drivers/input/rmi4/rmi_bus.c +++ b/drivers/input/rmi4/rmi_bus.c @@ -55,7 +55,7 @@ static void rmi_release_device(struct device *dev) kfree(rmi_dev); } -static struct device_type rmi_device_type = { +static const struct device_type rmi_device_type = { .name = "rmi4_sensor", .release = rmi_release_device, }; @@ -134,7 +134,7 @@ static void rmi_release_function(struct device *dev) kfree(fn); } -static struct device_type rmi_function_type = { +static const struct device_type rmi_function_type = { .name = "rmi4_function", .release = rmi_release_function, }; @@ -261,10 +261,10 @@ int __rmi_register_function_handler(struct rmi_function_handler *handler, driver->probe = rmi_function_probe; driver->remove = rmi_function_remove; - error = driver_register(&handler->driver); + error = driver_register(driver); if (error) { pr_err("driver_register() failed for %s, error: %d\n", - handler->driver.name, error); + driver->name, error); return error; } diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c index bf5c36e229ba..d64fc92858f2 100644 --- a/drivers/input/rmi4/rmi_driver.c +++ b/drivers/input/rmi4/rmi_driver.c @@ -265,6 +265,19 @@ static int rmi_irq_init(struct rmi_device *rmi_dev) return 0; } +struct rmi_function *rmi_find_function(struct rmi_device *rmi_dev, u8 number) +{ + struct rmi_driver_data *data = dev_get_drvdata(&rmi_dev->dev); + struct rmi_function *entry; + + list_for_each_entry(entry, &data->function_list, node) { + if (entry->fd.function_number == number) + return entry; + } + + return NULL; +} + static int suspend_one_function(struct rmi_function *fn) { struct rmi_function_handler *fh; @@ -364,7 +377,7 @@ static void rmi_driver_set_input_name(struct rmi_device *rmi_dev, struct input_dev *input) { struct rmi_driver_data *data = dev_get_drvdata(&rmi_dev->dev); - char *device_name = rmi_f01_get_product_ID(data->f01_container); + const char *device_name = rmi_f01_get_product_ID(data->f01_container); char *name; name = devm_kasprintf(&rmi_dev->dev, GFP_KERNEL, @@ -836,7 +849,7 @@ static int rmi_create_function(struct rmi_device *rmi_dev, void *ctx, const struct pdt_entry *pdt) { struct device *dev = &rmi_dev->dev; - struct rmi_driver_data *data = dev_get_drvdata(&rmi_dev->dev); + struct rmi_driver_data *data = dev_get_drvdata(dev); int *current_irq_count = ctx; struct rmi_function *fn; int i; @@ -1040,7 +1053,7 @@ int rmi_probe_interrupts(struct rmi_driver_data *data) } if (data->bootloader_mode) - dev_warn(&rmi_dev->dev, "Device in bootloader mode.\n"); + dev_warn(dev, "Device in bootloader mode.\n"); data->irq_count = irq_count; data->num_of_irq_regs = (data->irq_count + 7) / 8; @@ -1049,7 +1062,7 @@ int rmi_probe_interrupts(struct rmi_driver_data *data) data->irq_memory = devm_kzalloc(dev, size * 4, GFP_KERNEL); if (!data->irq_memory) { dev_err(dev, "Failed to allocate memory for irq masks.\n"); - return retval; + return -ENOMEM; } data->irq_status = data->irq_memory + size * 0; diff --git a/drivers/input/rmi4/rmi_driver.h b/drivers/input/rmi4/rmi_driver.h index 24f8f764d171..f1a2a2266022 100644 --- a/drivers/input/rmi4/rmi_driver.h +++ b/drivers/input/rmi4/rmi_driver.h @@ -93,6 +93,7 @@ bool rmi_is_physical_driver(struct device_driver *); int rmi_register_physical_driver(void); void rmi_unregister_physical_driver(void); void rmi_free_function_list(struct rmi_device *rmi_dev); +struct rmi_function *rmi_find_function(struct rmi_device *rmi_dev, u8 number); int rmi_enable_sensor(struct rmi_device *rmi_dev); int rmi_scan_pdt(struct rmi_device *rmi_dev, void *ctx, int (*callback)(struct rmi_device *rmi_dev, void *ctx, @@ -104,7 +105,20 @@ int rmi_init_functions(struct rmi_driver_data *data); int rmi_initial_reset(struct rmi_device *rmi_dev, void *ctx, const struct pdt_entry *pdt); -char *rmi_f01_get_product_ID(struct rmi_function *fn); +const char *rmi_f01_get_product_ID(struct rmi_function *fn); + +#ifdef CONFIG_RMI4_F03 +int rmi_f03_overwrite_button(struct rmi_function *fn, unsigned int button, + int value); +void rmi_f03_commit_buttons(struct rmi_function *fn); +#else +static inline int rmi_f03_overwrite_button(struct rmi_function *fn, + unsigned int button, int value) +{ + return 0; +} +static inline void rmi_f03_commit_buttons(struct rmi_function *fn) {} +#endif #ifdef CONFIG_RMI4_F34 int rmi_f34_create_sysfs(struct rmi_device *rmi_dev); diff --git a/drivers/input/rmi4/rmi_f01.c b/drivers/input/rmi4/rmi_f01.c index 18baf4ceb940..7f7e9176f7ea 100644 --- a/drivers/input/rmi4/rmi_f01.c +++ b/drivers/input/rmi4/rmi_f01.c @@ -12,6 +12,7 @@ #include <linux/slab.h> #include <linux/uaccess.h> #include <linux/of.h> +#include <asm/unaligned.h> #include "rmi_driver.h" #define RMI_PRODUCT_ID_LENGTH 10 @@ -54,6 +55,7 @@ struct f01_basic_properties { u8 product_id[RMI_PRODUCT_ID_LENGTH + 1]; u16 productinfo; u32 firmware_id; + u32 package_id; }; /* F01 device status bits */ @@ -220,8 +222,19 @@ static int rmi_f01_read_properties(struct rmi_device *rmi_dev, has_build_id_query = !!(queries[0] & BIT(1)); } - if (has_package_id_query) + if (has_package_id_query) { + ret = rmi_read_block(rmi_dev, prod_info_addr, + queries, sizeof(__le64)); + if (ret) { + dev_err(&rmi_dev->dev, + "Failed to read package info: %d\n", + ret); + return ret; + } + + props->package_id = get_unaligned_le64(queries); prod_info_addr++; + } if (has_build_id_query) { ret = rmi_read_block(rmi_dev, prod_info_addr, queries, @@ -241,13 +254,90 @@ static int rmi_f01_read_properties(struct rmi_device *rmi_dev, return 0; } -char *rmi_f01_get_product_ID(struct rmi_function *fn) +const char *rmi_f01_get_product_ID(struct rmi_function *fn) { struct f01_data *f01 = dev_get_drvdata(&fn->dev); return f01->properties.product_id; } +static ssize_t rmi_driver_manufacturer_id_show(struct device *dev, + struct device_attribute *dattr, + char *buf) +{ + struct rmi_driver_data *data = dev_get_drvdata(dev); + struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev); + + return scnprintf(buf, PAGE_SIZE, "%d\n", + f01->properties.manufacturer_id); +} + +static DEVICE_ATTR(manufacturer_id, 0444, + rmi_driver_manufacturer_id_show, NULL); + +static ssize_t rmi_driver_dom_show(struct device *dev, + struct device_attribute *dattr, char *buf) +{ + struct rmi_driver_data *data = dev_get_drvdata(dev); + struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev); + + return scnprintf(buf, PAGE_SIZE, "%s\n", f01->properties.dom); +} + +static DEVICE_ATTR(date_of_manufacture, 0444, rmi_driver_dom_show, NULL); + +static ssize_t rmi_driver_product_id_show(struct device *dev, + struct device_attribute *dattr, + char *buf) +{ + struct rmi_driver_data *data = dev_get_drvdata(dev); + struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev); + + return scnprintf(buf, PAGE_SIZE, "%s\n", f01->properties.product_id); +} + +static DEVICE_ATTR(product_id, 0444, rmi_driver_product_id_show, NULL); + +static ssize_t rmi_driver_firmware_id_show(struct device *dev, + struct device_attribute *dattr, + char *buf) +{ + struct rmi_driver_data *data = dev_get_drvdata(dev); + struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev); + + return scnprintf(buf, PAGE_SIZE, "%d\n", f01->properties.firmware_id); +} + +static DEVICE_ATTR(firmware_id, 0444, rmi_driver_firmware_id_show, NULL); + +static ssize_t rmi_driver_package_id_show(struct device *dev, + struct device_attribute *dattr, + char *buf) +{ + struct rmi_driver_data *data = dev_get_drvdata(dev); + struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev); + + u32 package_id = f01->properties.package_id; + + return scnprintf(buf, PAGE_SIZE, "%04x.%04x\n", + package_id & 0xffff, (package_id >> 16) & 0xffff); +} + +static DEVICE_ATTR(package_id, 0444, rmi_driver_package_id_show, NULL); + +static struct attribute *rmi_f01_attrs[] = { + &dev_attr_manufacturer_id.attr, + &dev_attr_date_of_manufacture.attr, + &dev_attr_product_id.attr, + &dev_attr_firmware_id.attr, + &dev_attr_package_id.attr, + NULL +}; + +static struct attribute_group rmi_f01_attr_group = { + .attrs = rmi_f01_attrs, +}; + #ifdef CONFIG_OF static int rmi_f01_of_probe(struct device *dev, struct rmi_device_platform_data *pdata) @@ -480,9 +570,18 @@ static int rmi_f01_probe(struct rmi_function *fn) dev_set_drvdata(&fn->dev, f01); + error = sysfs_create_group(&fn->rmi_dev->dev.kobj, &rmi_f01_attr_group); + if (error) + dev_warn(&fn->dev, "Failed to create sysfs group: %d\n", error); + return 0; } +static void rmi_f01_remove(struct rmi_function *fn) +{ + sysfs_remove_group(&fn->rmi_dev->dev.kobj, &rmi_f01_attr_group); +} + static int rmi_f01_config(struct rmi_function *fn) { struct f01_data *f01 = dev_get_drvdata(&fn->dev); @@ -622,6 +721,7 @@ struct rmi_function_handler rmi_f01_handler = { }, .func = 0x01, .probe = rmi_f01_probe, + .remove = rmi_f01_remove, .config = rmi_f01_config, .attention = rmi_f01_attention, .suspend = rmi_f01_suspend, diff --git a/drivers/input/rmi4/rmi_f03.c b/drivers/input/rmi4/rmi_f03.c index 8a7ca3e2f95e..77dad045a468 100644 --- a/drivers/input/rmi4/rmi_f03.c +++ b/drivers/input/rmi4/rmi_f03.c @@ -26,15 +26,53 @@ #define RMI_F03_BYTES_PER_DEVICE_SHIFT 4 #define RMI_F03_QUEUE_LENGTH 0x0F +#define PSMOUSE_OOB_EXTRA_BTNS 0x01 + struct f03_data { struct rmi_function *fn; struct serio *serio; + unsigned int overwrite_buttons; + u8 device_count; u8 rx_queue_length; }; +int rmi_f03_overwrite_button(struct rmi_function *fn, unsigned int button, + int value) +{ + struct f03_data *f03 = dev_get_drvdata(&fn->dev); + unsigned int bit; + + if (button < BTN_LEFT || button > BTN_MIDDLE) + return -EINVAL; + + bit = BIT(button - BTN_LEFT); + + if (value) + f03->overwrite_buttons |= bit; + else + f03->overwrite_buttons &= ~bit; + + return 0; +} + +void rmi_f03_commit_buttons(struct rmi_function *fn) +{ + struct f03_data *f03 = dev_get_drvdata(&fn->dev); + struct serio *serio = f03->serio; + + serio_pause_rx(serio); + if (serio->drv) { + serio->drv->interrupt(serio, PSMOUSE_OOB_EXTRA_BTNS, + SERIO_OOB_DATA); + serio->drv->interrupt(serio, f03->overwrite_buttons, + SERIO_OOB_DATA); + } + serio_continue_rx(serio); +} + static int rmi_f03_pt_write(struct serio *id, unsigned char val) { struct f03_data *f03 = id->port_data; @@ -175,9 +213,6 @@ static int rmi_f03_attention(struct rmi_function *fn, unsigned long *irq_bits) int i; int error; - if (!rmi_dev) - return -ENODEV; - if (drvdata->attn_data.data) { /* First grab the data passed by the transport device */ if (drvdata->attn_data.size < ob_len) { diff --git a/drivers/input/rmi4/rmi_f30.c b/drivers/input/rmi4/rmi_f30.c index f4b491e3e0fd..3422464af229 100644 --- a/drivers/input/rmi4/rmi_f30.c +++ b/drivers/input/rmi4/rmi_f30.c @@ -16,30 +16,24 @@ /* Defs for Query 0 */ #define RMI_F30_EXTENDED_PATTERNS 0x01 -#define RMI_F30_HAS_MAPPABLE_BUTTONS (1 << 1) -#define RMI_F30_HAS_LED (1 << 2) -#define RMI_F30_HAS_GPIO (1 << 3) -#define RMI_F30_HAS_HAPTIC (1 << 4) -#define RMI_F30_HAS_GPIO_DRV_CTL (1 << 5) -#define RMI_F30_HAS_MECH_MOUSE_BTNS (1 << 6) +#define RMI_F30_HAS_MAPPABLE_BUTTONS BIT(1) +#define RMI_F30_HAS_LED BIT(2) +#define RMI_F30_HAS_GPIO BIT(3) +#define RMI_F30_HAS_HAPTIC BIT(4) +#define RMI_F30_HAS_GPIO_DRV_CTL BIT(5) +#define RMI_F30_HAS_MECH_MOUSE_BTNS BIT(6) /* Defs for Query 1 */ #define RMI_F30_GPIO_LED_COUNT 0x1F /* Defs for Control Registers */ #define RMI_F30_CTRL_1_GPIO_DEBOUNCE 0x01 -#define RMI_F30_CTRL_1_HALT (1 << 4) -#define RMI_F30_CTRL_1_HALTED (1 << 5) +#define RMI_F30_CTRL_1_HALT BIT(4) +#define RMI_F30_CTRL_1_HALTED BIT(5) #define RMI_F30_CTRL_10_NUM_MECH_MOUSE_BTNS 0x03 -struct rmi_f30_ctrl_data { - int address; - int length; - u8 *regs; -}; - #define RMI_F30_CTRL_MAX_REGS 32 -#define RMI_F30_CTRL_MAX_BYTES ((RMI_F30_CTRL_MAX_REGS + 7) >> 3) +#define RMI_F30_CTRL_MAX_BYTES DIV_ROUND_UP(RMI_F30_CTRL_MAX_REGS, 8) #define RMI_F30_CTRL_MAX_REG_BLOCKS 11 #define RMI_F30_CTRL_REGS_MAX_SIZE (RMI_F30_CTRL_MAX_BYTES \ @@ -54,6 +48,15 @@ struct rmi_f30_ctrl_data { + 1 \ + 1) +#define TRACKSTICK_RANGE_START 3 +#define TRACKSTICK_RANGE_END 6 + +struct rmi_f30_ctrl_data { + int address; + int length; + u8 *regs; +}; + struct f30_data { /* Query Data */ bool has_extended_pattern; @@ -76,18 +79,21 @@ struct f30_data { u16 *gpioled_key_map; struct input_dev *input; + + struct rmi_function *f03; + bool trackstick_buttons; }; static int rmi_f30_read_control_parameters(struct rmi_function *fn, struct f30_data *f30) { - struct rmi_device *rmi_dev = fn->rmi_dev; - int error = 0; + int error; - error = rmi_read_block(rmi_dev, fn->fd.control_base_addr, - f30->ctrl_regs, f30->ctrl_regs_size); + error = rmi_read_block(fn->rmi_dev, fn->fd.control_base_addr, + f30->ctrl_regs, f30->ctrl_regs_size); if (error) { - dev_err(&rmi_dev->dev, "%s : Could not read control registers at 0x%x error (%d)\n", + dev_err(&fn->dev, + "%s: Could not read control registers at 0x%x: %d\n", __func__, fn->fd.control_base_addr, error); return error; } @@ -95,24 +101,39 @@ static int rmi_f30_read_control_parameters(struct rmi_function *fn, return 0; } +static void rmi_f30_report_button(struct rmi_function *fn, + struct f30_data *f30, unsigned int button) +{ + unsigned int reg_num = button >> 3; + unsigned int bit_num = button & 0x07; + u16 key_code = f30->gpioled_key_map[button]; + bool key_down = !(f30->data_regs[reg_num] & BIT(bit_num)); + + if (f30->trackstick_buttons && + button >= TRACKSTICK_RANGE_START && + button <= TRACKSTICK_RANGE_END) { + rmi_f03_overwrite_button(f30->f03, key_code, key_down); + } else { + rmi_dbg(RMI_DEBUG_FN, &fn->dev, + "%s: call input report key (0x%04x) value (0x%02x)", + __func__, key_code, key_down); + + input_report_key(f30->input, key_code, key_down); + } +} + static int rmi_f30_attention(struct rmi_function *fn, unsigned long *irq_bits) { struct f30_data *f30 = dev_get_drvdata(&fn->dev); - struct rmi_device *rmi_dev = fn->rmi_dev; - struct rmi_driver_data *drvdata = dev_get_drvdata(&rmi_dev->dev); - int retval; - int gpiled = 0; - int value = 0; + struct rmi_driver_data *drvdata = dev_get_drvdata(&fn->rmi_dev->dev); + int error; int i; - int reg_num; - - if (!f30->input) - return 0; /* Read the gpi led data. */ if (drvdata->attn_data.data) { if (drvdata->attn_data.size < f30->register_count) { - dev_warn(&fn->dev, "F30 interrupted, but data is missing\n"); + dev_warn(&fn->dev, + "F30 interrupted, but data is missing\n"); return 0; } memcpy(f30->data_regs, drvdata->attn_data.data, @@ -120,72 +141,24 @@ static int rmi_f30_attention(struct rmi_function *fn, unsigned long *irq_bits) drvdata->attn_data.data += f30->register_count; drvdata->attn_data.size -= f30->register_count; } else { - retval = rmi_read_block(rmi_dev, fn->fd.data_base_addr, - f30->data_regs, f30->register_count); - - if (retval) { - dev_err(&fn->dev, "%s: Failed to read F30 data registers.\n", - __func__); - return retval; - } - } - - for (reg_num = 0; reg_num < f30->register_count; ++reg_num) { - for (i = 0; gpiled < f30->gpioled_count && i < 8; ++i, - ++gpiled) { - if (f30->gpioled_key_map[gpiled] != 0) { - /* buttons have pull up resistors */ - value = (((f30->data_regs[reg_num] >> i) & 0x01) - == 0); - - rmi_dbg(RMI_DEBUG_FN, &fn->dev, - "%s: call input report key (0x%04x) value (0x%02x)", - __func__, - f30->gpioled_key_map[gpiled], value); - input_report_key(f30->input, - f30->gpioled_key_map[gpiled], - value); - } - + error = rmi_read_block(fn->rmi_dev, fn->fd.data_base_addr, + f30->data_regs, f30->register_count); + if (error) { + dev_err(&fn->dev, + "%s: Failed to read F30 data registers: %d\n", + __func__, error); + return error; } } - return 0; -} - -static int rmi_f30_register_device(struct rmi_function *fn) -{ - int i; - struct rmi_device *rmi_dev = fn->rmi_dev; - struct rmi_driver_data *drv_data = dev_get_drvdata(&rmi_dev->dev); - struct f30_data *f30 = dev_get_drvdata(&fn->dev); - struct input_dev *input_dev; - int button_count = 0; - - input_dev = drv_data->input; - if (!input_dev) { - dev_info(&fn->dev, "F30: no input device found, ignoring.\n"); - return -EINVAL; - } - - f30->input = input_dev; - - set_bit(EV_KEY, input_dev->evbit); - - input_dev->keycode = f30->gpioled_key_map; - input_dev->keycodesize = sizeof(u16); - input_dev->keycodemax = f30->gpioled_count; - - for (i = 0; i < f30->gpioled_count; i++) { - if (f30->gpioled_key_map[i] != 0) { - input_set_capability(input_dev, EV_KEY, - f30->gpioled_key_map[i]); - button_count++; - } + if (f30->has_gpio) { + for (i = 0; i < f30->gpioled_count; i++) + if (f30->gpioled_key_map[i] != KEY_RESERVED) + rmi_f30_report_button(fn, f30, i); + if (f30->trackstick_buttons) + rmi_f03_commit_buttons(f30->f03); } - if (button_count == 1) - __set_bit(INPUT_PROP_BUTTONPAD, input_dev->propbit); return 0; } @@ -197,6 +170,12 @@ static int rmi_f30_config(struct rmi_function *fn) rmi_get_platform_data(fn->rmi_dev); int error; + if (pdata->f30_data.trackstick_buttons) { + /* Try [re-]establish link to F03. */ + f30->f03 = rmi_find_function(fn->rmi_dev, 0x03); + f30->trackstick_buttons = f30->f03 != NULL; + } + if (pdata->f30_data.disable) { drv->clear_irq_bits(fn->rmi_dev, fn->irq_mask); } else { @@ -204,19 +183,20 @@ static int rmi_f30_config(struct rmi_function *fn) error = rmi_write_block(fn->rmi_dev, fn->fd.control_base_addr, f30->ctrl_regs, f30->ctrl_regs_size); if (error) { - dev_err(&fn->rmi_dev->dev, - "%s : Could not write control registers at 0x%x error (%d)\n", + dev_err(&fn->dev, + "%s: Could not write control registers at 0x%x: %d\n", __func__, fn->fd.control_base_addr, error); return error; } drv->set_irq_bits(fn->rmi_dev, fn->irq_mask); } + return 0; } -static inline void rmi_f30_set_ctrl_data(struct rmi_f30_ctrl_data *ctrl, - int *ctrl_addr, int len, u8 **reg) +static void rmi_f30_set_ctrl_data(struct rmi_f30_ctrl_data *ctrl, + int *ctrl_addr, int len, u8 **reg) { ctrl->address = *ctrl_addr; ctrl->length = len; @@ -225,8 +205,7 @@ static inline void rmi_f30_set_ctrl_data(struct rmi_f30_ctrl_data *ctrl, *reg += len; } -static inline bool rmi_f30_is_valid_button(int button, - struct rmi_f30_ctrl_data *ctrl) +static bool rmi_f30_is_valid_button(int button, struct rmi_f30_ctrl_data *ctrl) { int byte_position = button >> 3; int bit_position = button & 0x07; @@ -239,32 +218,66 @@ static inline bool rmi_f30_is_valid_button(int button, (ctrl[3].regs[byte_position] & BIT(bit_position)); } -static inline int rmi_f30_initialize(struct rmi_function *fn) +static int rmi_f30_map_gpios(struct rmi_function *fn, + struct f30_data *f30) { - struct f30_data *f30; - struct rmi_device *rmi_dev = fn->rmi_dev; - const struct rmi_device_platform_data *pdata; - int retval = 0; - int control_address; + const struct rmi_device_platform_data *pdata = + rmi_get_platform_data(fn->rmi_dev); + struct input_dev *input = f30->input; + unsigned int button = BTN_LEFT; + unsigned int trackstick_button = BTN_LEFT; + bool button_mapped = false; int i; - int button; - u8 buf[RMI_F30_QUERY_SIZE]; - u8 *ctrl_reg; - u8 *map_memory; - f30 = devm_kzalloc(&fn->dev, sizeof(struct f30_data), - GFP_KERNEL); - if (!f30) + f30->gpioled_key_map = devm_kcalloc(&fn->dev, + f30->gpioled_count, + sizeof(f30->gpioled_key_map[0]), + GFP_KERNEL); + if (!f30->gpioled_key_map) { + dev_err(&fn->dev, "Failed to allocate gpioled map memory.\n"); return -ENOMEM; + } - dev_set_drvdata(&fn->dev, f30); + for (i = 0; i < f30->gpioled_count; i++) { + if (!rmi_f30_is_valid_button(i, f30->ctrl)) + continue; + + if (pdata->f30_data.trackstick_buttons && + i >= TRACKSTICK_RANGE_START && i < TRACKSTICK_RANGE_END) { + f30->gpioled_key_map[i] = trackstick_button++; + } else if (!pdata->f30_data.buttonpad || !button_mapped) { + f30->gpioled_key_map[i] = button; + input_set_capability(input, EV_KEY, button++); + button_mapped = true; + } + } + + input->keycode = f30->gpioled_key_map; + input->keycodesize = sizeof(f30->gpioled_key_map[0]); + input->keycodemax = f30->gpioled_count; + + /* + * Buttonpad could be also inferred from f30->has_mech_mouse_btns, + * but I am not sure, so use only the pdata info. + */ + if (pdata->f30_data.buttonpad) + __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); + + return 0; +} - retval = rmi_read_block(fn->rmi_dev, fn->fd.query_base_addr, buf, - RMI_F30_QUERY_SIZE); +static int rmi_f30_initialize(struct rmi_function *fn, struct f30_data *f30) +{ + u8 *ctrl_reg = f30->ctrl_regs; + int control_address = fn->fd.control_base_addr; + u8 buf[RMI_F30_QUERY_SIZE]; + int error; - if (retval) { - dev_err(&fn->dev, "Failed to read query register.\n"); - return retval; + error = rmi_read_block(fn->rmi_dev, fn->fd.query_base_addr, + buf, RMI_F30_QUERY_SIZE); + if (error) { + dev_err(&fn->dev, "Failed to read query register\n"); + return error; } f30->has_extended_pattern = buf[0] & RMI_F30_EXTENDED_PATTERNS; @@ -276,101 +289,71 @@ static inline int rmi_f30_initialize(struct rmi_function *fn) f30->has_mech_mouse_btns = buf[0] & RMI_F30_HAS_MECH_MOUSE_BTNS; f30->gpioled_count = buf[1] & RMI_F30_GPIO_LED_COUNT; - f30->register_count = (f30->gpioled_count + 7) >> 3; - - control_address = fn->fd.control_base_addr; - ctrl_reg = f30->ctrl_regs; + f30->register_count = DIV_ROUND_UP(f30->gpioled_count, 8); if (f30->has_gpio && f30->has_led) rmi_f30_set_ctrl_data(&f30->ctrl[0], &control_address, - f30->register_count, &ctrl_reg); + f30->register_count, &ctrl_reg); - rmi_f30_set_ctrl_data(&f30->ctrl[1], &control_address, sizeof(u8), - &ctrl_reg); + rmi_f30_set_ctrl_data(&f30->ctrl[1], &control_address, + sizeof(u8), &ctrl_reg); if (f30->has_gpio) { rmi_f30_set_ctrl_data(&f30->ctrl[2], &control_address, - f30->register_count, &ctrl_reg); + f30->register_count, &ctrl_reg); rmi_f30_set_ctrl_data(&f30->ctrl[3], &control_address, - f30->register_count, &ctrl_reg); + f30->register_count, &ctrl_reg); } if (f30->has_led) { - int ctrl5_len; - rmi_f30_set_ctrl_data(&f30->ctrl[4], &control_address, - f30->register_count, &ctrl_reg); - - if (f30->has_extended_pattern) - ctrl5_len = 6; - else - ctrl5_len = 2; + f30->register_count, &ctrl_reg); rmi_f30_set_ctrl_data(&f30->ctrl[5], &control_address, - ctrl5_len, &ctrl_reg); + f30->has_extended_pattern ? 6 : 2, + &ctrl_reg); } if (f30->has_led || f30->has_gpio_driver_control) { /* control 6 uses a byte per gpio/led */ rmi_f30_set_ctrl_data(&f30->ctrl[6], &control_address, - f30->gpioled_count, &ctrl_reg); + f30->gpioled_count, &ctrl_reg); } if (f30->has_mappable_buttons) { /* control 7 uses a byte per gpio/led */ rmi_f30_set_ctrl_data(&f30->ctrl[7], &control_address, - f30->gpioled_count, &ctrl_reg); + f30->gpioled_count, &ctrl_reg); } if (f30->has_haptic) { rmi_f30_set_ctrl_data(&f30->ctrl[8], &control_address, - f30->register_count, &ctrl_reg); + f30->register_count, &ctrl_reg); rmi_f30_set_ctrl_data(&f30->ctrl[9], &control_address, - sizeof(u8), &ctrl_reg); + sizeof(u8), &ctrl_reg); } if (f30->has_mech_mouse_btns) rmi_f30_set_ctrl_data(&f30->ctrl[10], &control_address, - sizeof(u8), &ctrl_reg); + sizeof(u8), &ctrl_reg); - f30->ctrl_regs_size = ctrl_reg - f30->ctrl_regs - ?: RMI_F30_CTRL_REGS_MAX_SIZE; + f30->ctrl_regs_size = ctrl_reg - + f30->ctrl_regs ?: RMI_F30_CTRL_REGS_MAX_SIZE; - retval = rmi_f30_read_control_parameters(fn, f30); - if (retval < 0) { + error = rmi_f30_read_control_parameters(fn, f30); + if (error) { dev_err(&fn->dev, - "Failed to initialize F19 control params.\n"); - return retval; - } - - map_memory = devm_kzalloc(&fn->dev, - (f30->gpioled_count * (sizeof(u16))), - GFP_KERNEL); - if (!map_memory) { - dev_err(&fn->dev, "Failed to allocate gpioled map memory.\n"); - return -ENOMEM; + "Failed to initialize F30 control params: %d\n", + error); + return error; } - f30->gpioled_key_map = (u16 *)map_memory; - - pdata = rmi_get_platform_data(rmi_dev); if (f30->has_gpio) { - button = BTN_LEFT; - for (i = 0; i < f30->gpioled_count; i++) { - if (rmi_f30_is_valid_button(i, f30->ctrl)) { - f30->gpioled_key_map[i] = button++; - - /* - * buttonpad might be given by - * f30->has_mech_mouse_btns, but I am - * not sure, so use only the pdata info - */ - if (pdata->f30_data.buttonpad) - break; - } - } + error = rmi_f30_map_gpios(fn, f30); + if (error) + return error; } return 0; @@ -378,26 +361,33 @@ static inline int rmi_f30_initialize(struct rmi_function *fn) static int rmi_f30_probe(struct rmi_function *fn) { - int rc; + struct rmi_device *rmi_dev = fn->rmi_dev; const struct rmi_device_platform_data *pdata = - rmi_get_platform_data(fn->rmi_dev); + rmi_get_platform_data(rmi_dev); + struct rmi_driver_data *drv_data = dev_get_drvdata(&rmi_dev->dev); + struct f30_data *f30; + int error; if (pdata->f30_data.disable) return 0; - rc = rmi_f30_initialize(fn); - if (rc < 0) - goto error_exit; + if (!drv_data->input) { + dev_info(&fn->dev, "F30: no input device found, ignoring\n"); + return -ENXIO; + } - rc = rmi_f30_register_device(fn); - if (rc < 0) - goto error_exit; + f30 = devm_kzalloc(&fn->dev, sizeof(*f30), GFP_KERNEL); + if (!f30) + return -ENOMEM; - return 0; + f30->input = drv_data->input; -error_exit: - return rc; + error = rmi_f30_initialize(fn, f30); + if (error) + return error; + dev_set_drvdata(&fn->dev, f30); + return 0; } struct rmi_function_handler rmi_f30_handler = { diff --git a/drivers/input/rmi4/rmi_f34.c b/drivers/input/rmi4/rmi_f34.c index 9774dfbab9bb..425fe140e9df 100644 --- a/drivers/input/rmi4/rmi_f34.c +++ b/drivers/input/rmi4/rmi_f34.c @@ -157,6 +157,9 @@ static int rmi_f34_write_blocks(struct f34_data *f34, const void *data, i + 1, block_count); data += f34->v5.block_size; + f34->update_progress += f34->v5.block_size; + f34->update_status = (f34->update_progress * 100) / + f34->update_size; } return 0; @@ -174,7 +177,7 @@ static int rmi_f34_write_config(struct f34_data *f34, const void *data) F34_WRITE_CONFIG_BLOCK); } -int rmi_f34_enable_flash(struct f34_data *f34) +static int rmi_f34_enable_flash(struct f34_data *f34) { return rmi_f34_command(f34, F34_ENABLE_FLASH_PROG, F34_ENABLE_WAIT_MS, true); @@ -184,9 +187,14 @@ static int rmi_f34_flash_firmware(struct f34_data *f34, const struct rmi_f34_firmware *syn_fw) { struct rmi_function *fn = f34->fn; + u32 image_size = le32_to_cpu(syn_fw->image_size); + u32 config_size = le32_to_cpu(syn_fw->config_size); int ret; - if (syn_fw->image_size) { + f34->update_progress = 0; + f34->update_size = image_size + config_size; + + if (image_size) { dev_info(&fn->dev, "Erasing firmware...\n"); ret = rmi_f34_command(f34, F34_ERASE_ALL, F34_ERASE_WAIT_MS, true); @@ -194,18 +202,18 @@ static int rmi_f34_flash_firmware(struct f34_data *f34, return ret; dev_info(&fn->dev, "Writing firmware (%d bytes)...\n", - syn_fw->image_size); + image_size); ret = rmi_f34_write_firmware(f34, syn_fw->data); if (ret) return ret; } - if (syn_fw->config_size) { + if (config_size) { /* * We only need to erase config if we haven't updated * firmware. */ - if (!syn_fw->image_size) { + if (!image_size) { dev_info(&fn->dev, "Erasing config...\n"); ret = rmi_f34_command(f34, F34_ERASE_CONFIG, F34_ERASE_WAIT_MS, true); @@ -214,9 +222,8 @@ static int rmi_f34_flash_firmware(struct f34_data *f34, } dev_info(&fn->dev, "Writing config (%d bytes)...\n", - syn_fw->config_size); - ret = rmi_f34_write_config(f34, - &syn_fw->data[syn_fw->image_size]); + config_size); + ret = rmi_f34_write_config(f34, &syn_fw->data[image_size]); if (ret) return ret; } @@ -224,21 +231,23 @@ static int rmi_f34_flash_firmware(struct f34_data *f34, return 0; } -int rmi_f34_update_firmware(struct f34_data *f34, const struct firmware *fw) +static int rmi_f34_update_firmware(struct f34_data *f34, + const struct firmware *fw) { - const struct rmi_f34_firmware *syn_fw; + const struct rmi_f34_firmware *syn_fw = + (const struct rmi_f34_firmware *)fw->data; + u32 image_size = le32_to_cpu(syn_fw->image_size); + u32 config_size = le32_to_cpu(syn_fw->config_size); int ret; - syn_fw = (const struct rmi_f34_firmware *)fw->data; BUILD_BUG_ON(offsetof(struct rmi_f34_firmware, data) != F34_FW_IMAGE_OFFSET); rmi_dbg(RMI_DEBUG_FN, &f34->fn->dev, - "FW size:%d, checksum:%08x, image_size:%d, config_size:%d\n", - (int)fw->size, + "FW size:%zd, checksum:%08x, image_size:%d, config_size:%d\n", + fw->size, le32_to_cpu(syn_fw->checksum), - le32_to_cpu(syn_fw->image_size), - le32_to_cpu(syn_fw->config_size)); + image_size, config_size); rmi_dbg(RMI_DEBUG_FN, &f34->fn->dev, "FW bootloader_id:%02x, product_id:%.*s, info: %02x%02x\n", @@ -246,27 +255,25 @@ int rmi_f34_update_firmware(struct f34_data *f34, const struct firmware *fw) (int)sizeof(syn_fw->product_id), syn_fw->product_id, syn_fw->product_info[0], syn_fw->product_info[1]); - if (syn_fw->image_size && - syn_fw->image_size != f34->v5.fw_blocks * f34->v5.block_size) { + if (image_size && image_size != f34->v5.fw_blocks * f34->v5.block_size) { dev_err(&f34->fn->dev, "Bad firmware image: fw size %d, expected %d\n", - syn_fw->image_size, - f34->v5.fw_blocks * f34->v5.block_size); + image_size, f34->v5.fw_blocks * f34->v5.block_size); ret = -EILSEQ; goto out; } - if (syn_fw->config_size && - syn_fw->config_size != f34->v5.config_blocks * f34->v5.block_size) { + if (config_size && + config_size != f34->v5.config_blocks * f34->v5.block_size) { dev_err(&f34->fn->dev, "Bad firmware image: config size %d, expected %d\n", - syn_fw->config_size, + config_size, f34->v5.config_blocks * f34->v5.block_size); ret = -EILSEQ; goto out; } - if (syn_fw->image_size && !syn_fw->config_size) { + if (image_size && !config_size) { dev_err(&f34->fn->dev, "Bad firmware image: no config data\n"); ret = -EILSEQ; goto out; @@ -283,6 +290,63 @@ out: return ret; } +static int rmi_f34_status(struct rmi_function *fn) +{ + struct f34_data *f34 = dev_get_drvdata(&fn->dev); + + /* + * The status is the percentage complete, or once complete, + * zero for success or a negative return code. + */ + return f34->update_status; +} + +static ssize_t rmi_driver_bootloader_id_show(struct device *dev, + struct device_attribute *dattr, + char *buf) +{ + struct rmi_driver_data *data = dev_get_drvdata(dev); + struct rmi_function *fn = data->f34_container; + struct f34_data *f34; + + if (fn) { + f34 = dev_get_drvdata(&fn->dev); + + if (f34->bl_version == 5) + return scnprintf(buf, PAGE_SIZE, "%c%c\n", + f34->bootloader_id[0], + f34->bootloader_id[1]); + else + return scnprintf(buf, PAGE_SIZE, "V%d.%d\n", + f34->bootloader_id[1], + f34->bootloader_id[0]); + } + + return 0; +} + +static DEVICE_ATTR(bootloader_id, 0444, rmi_driver_bootloader_id_show, NULL); + +static ssize_t rmi_driver_configuration_id_show(struct device *dev, + struct device_attribute *dattr, + char *buf) +{ + struct rmi_driver_data *data = dev_get_drvdata(dev); + struct rmi_function *fn = data->f34_container; + struct f34_data *f34; + + if (fn) { + f34 = dev_get_drvdata(&fn->dev); + + return scnprintf(buf, PAGE_SIZE, "%s\n", f34->configuration_id); + } + + return 0; +} + +static DEVICE_ATTR(configuration_id, 0444, + rmi_driver_configuration_id_show, NULL); + static int rmi_firmware_update(struct rmi_driver_data *data, const struct firmware *fw) { @@ -346,7 +410,13 @@ static int rmi_firmware_update(struct rmi_driver_data *data, else ret = rmi_f34_update_firmware(f34, fw); - dev_info(&f34->fn->dev, "Firmware update complete, status:%d\n", ret); + if (ret) { + f34->update_status = ret; + dev_err(&f34->fn->dev, + "Firmware update failed, status: %d\n", ret); + } else { + dev_info(&f34->fn->dev, "Firmware update complete\n"); + } rmi_disable_irq(rmi_dev, false); @@ -377,9 +447,6 @@ static int rmi_firmware_update(struct rmi_driver_data *data, return ret; } -static int rmi_firmware_update(struct rmi_driver_data *data, - const struct firmware *fw); - static ssize_t rmi_driver_update_fw_store(struct device *dev, struct device_attribute *dattr, const char *buf, size_t count) @@ -414,8 +481,27 @@ static ssize_t rmi_driver_update_fw_store(struct device *dev, static DEVICE_ATTR(update_fw, 0200, NULL, rmi_driver_update_fw_store); +static ssize_t rmi_driver_update_fw_status_show(struct device *dev, + struct device_attribute *dattr, + char *buf) +{ + struct rmi_driver_data *data = dev_get_drvdata(dev); + int update_status = 0; + + if (data->f34_container) + update_status = rmi_f34_status(data->f34_container); + + return scnprintf(buf, PAGE_SIZE, "%d\n", update_status); +} + +static DEVICE_ATTR(update_fw_status, 0444, + rmi_driver_update_fw_status_show, NULL); + static struct attribute *rmi_firmware_attrs[] = { + &dev_attr_bootloader_id.attr, + &dev_attr_configuration_id.attr, &dev_attr_update_fw.attr, + &dev_attr_update_fw_status.attr, NULL }; @@ -441,8 +527,6 @@ static int rmi_f34_probe(struct rmi_function *fn) /* v5 code only supported version 0, try V7 probe */ if (version > 0) return rmi_f34v7_probe(f34); - else if (version != 0) - return -ENODEV; f34->bl_version = 5; diff --git a/drivers/input/rmi4/rmi_f34.h b/drivers/input/rmi4/rmi_f34.h index 2c21056dc375..43a91349b28d 100644 --- a/drivers/input/rmi4/rmi_f34.h +++ b/drivers/input/rmi4/rmi_f34.h @@ -301,6 +301,10 @@ struct f34_data { unsigned char bootloader_id[5]; unsigned char configuration_id[CONFIG_ID_SIZE*2 + 1]; + int update_status; + int update_progress; + int update_size; + union { struct f34v5_data v5; struct f34v7_data v7; diff --git a/drivers/input/rmi4/rmi_f34v7.c b/drivers/input/rmi4/rmi_f34v7.c index ca31f9539d9b..56c6c39ad31e 100644 --- a/drivers/input/rmi4/rmi_f34v7.c +++ b/drivers/input/rmi4/rmi_f34v7.c @@ -588,6 +588,7 @@ static int rmi_f34v7_check_ui_firmware_size(struct f34_data *f34) u16 block_count; block_count = f34->v7.img.ui_firmware.size / f34->v7.block_size; + f34->update_size += block_count; if (block_count != f34->v7.blkcount.ui_firmware) { dev_err(&f34->fn->dev, @@ -604,6 +605,7 @@ static int rmi_f34v7_check_ui_config_size(struct f34_data *f34) u16 block_count; block_count = f34->v7.img.ui_config.size / f34->v7.block_size; + f34->update_size += block_count; if (block_count != f34->v7.blkcount.ui_config) { dev_err(&f34->fn->dev, "UI config size mismatch\n"); @@ -618,6 +620,7 @@ static int rmi_f34v7_check_dp_config_size(struct f34_data *f34) u16 block_count; block_count = f34->v7.img.dp_config.size / f34->v7.block_size; + f34->update_size += block_count; if (block_count != f34->v7.blkcount.dp_config) { dev_err(&f34->fn->dev, "Display config size mismatch\n"); @@ -632,6 +635,8 @@ static int rmi_f34v7_check_guest_code_size(struct f34_data *f34) u16 block_count; block_count = f34->v7.img.guest_code.size / f34->v7.block_size; + f34->update_size += block_count; + if (block_count != f34->v7.blkcount.guest_code) { dev_err(&f34->fn->dev, "Guest code size mismatch\n"); return -EINVAL; @@ -645,6 +650,7 @@ static int rmi_f34v7_check_bl_config_size(struct f34_data *f34) u16 block_count; block_count = f34->v7.img.bl_config.size / f34->v7.block_size; + f34->update_size += block_count; if (block_count != f34->v7.blkcount.bl_config) { dev_err(&f34->fn->dev, "Bootloader config size mismatch\n"); @@ -881,6 +887,9 @@ static int rmi_f34v7_write_f34v7_blocks(struct f34_data *f34, block_ptr += (transfer * f34->v7.block_size); remaining -= transfer; + f34->update_progress += transfer; + f34->update_status = (f34->update_progress * 100) / + f34->update_size; } while (remaining); return 0; @@ -1191,6 +1200,8 @@ int rmi_f34v7_do_reflash(struct f34_data *f34, const struct firmware *fw) rmi_f34v7_read_queries_bl_version(f34); f34->v7.image = fw->data; + f34->update_progress = 0; + f34->update_size = 0; ret = rmi_f34v7_parse_image_info(f34); if (ret < 0) diff --git a/drivers/input/serio/at32psif.c b/drivers/input/serio/at32psif.c index 2e4ff5bac754..e420fd781d44 100644 --- a/drivers/input/serio/at32psif.c +++ b/drivers/input/serio/at32psif.c @@ -159,13 +159,12 @@ static int psif_open(struct serio *io) retval = clk_enable(psif->pclk); if (retval) - goto out; + return retval; psif_writel(psif, CR, PSIF_BIT(CR_TXEN) | PSIF_BIT(CR_RXEN)); psif_writel(psif, IER, PSIF_BIT(RXRDY)); psif->open = true; -out: return retval; } @@ -210,16 +209,12 @@ static int __init psif_probe(struct platform_device *pdev) int ret; psif = kzalloc(sizeof(struct psif), GFP_KERNEL); - if (!psif) { - dev_dbg(&pdev->dev, "out of memory\n"); - ret = -ENOMEM; - goto out; - } + if (!psif) + return -ENOMEM; psif->pdev = pdev; io = kzalloc(sizeof(struct serio), GFP_KERNEL); if (!io) { - dev_dbg(&pdev->dev, "out of memory\n"); ret = -ENOMEM; goto out_free_psif; } @@ -297,7 +292,6 @@ out_free_io: kfree(io); out_free_psif: kfree(psif); -out: return ret; } diff --git a/drivers/input/serio/hyperv-keyboard.c b/drivers/input/serio/hyperv-keyboard.c index c948866edf87..25151d9214e0 100644 --- a/drivers/input/serio/hyperv-keyboard.c +++ b/drivers/input/serio/hyperv-keyboard.c @@ -402,7 +402,6 @@ static int hv_kbd_remove(struct hv_device *hv_dev) { struct hv_kbd_dev *kbd_dev = hv_get_drvdata(hv_dev); - device_init_wakeup(&hv_dev->device, false); serio_unregister_port(kbd_dev->hv_serio); vmbus_close(hv_dev->channel); kfree(kbd_dev); diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index a7618776705a..05afd16ea9c9 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -923,6 +923,10 @@ static struct pnp_driver i8042_pnp_kbd_driver = { .name = "i8042 kbd", .id_table = pnp_kbd_devids, .probe = i8042_pnp_kbd_probe, + .driver = { + .probe_type = PROBE_FORCE_SYNCHRONOUS, + .suppress_bind_attrs = true, + }, }; static struct pnp_device_id pnp_aux_devids[] = { @@ -945,6 +949,10 @@ static struct pnp_driver i8042_pnp_aux_driver = { .name = "i8042 aux", .id_table = pnp_aux_devids, .probe = i8042_pnp_aux_probe, + .driver = { + .probe_type = PROBE_FORCE_SYNCHRONOUS, + .suppress_bind_attrs = true, + }, }; static void i8042_pnp_exit(void) diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index 62685a768913..c52da651269b 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -312,8 +312,10 @@ static int __i8042_command(unsigned char *param, int command) for (i = 0; i < ((command >> 12) & 0xf); i++) { error = i8042_wait_write(); - if (error) + if (error) { + dbg(" -- i8042 (wait write timeout)\n"); return error; + } dbg("%02x -> i8042 (parameter)\n", param[i]); i8042_write_data(param[i]); } @@ -321,7 +323,7 @@ static int __i8042_command(unsigned char *param, int command) for (i = 0; i < ((command >> 8) & 0xf); i++) { error = i8042_wait_read(); if (error) { - dbg(" -- i8042 (timeout)\n"); + dbg(" -- i8042 (wait read timeout)\n"); return error; } diff --git a/drivers/input/serio/xilinx_ps2.c b/drivers/input/serio/xilinx_ps2.c index 5223cbf94262..14c40892ed82 100644 --- a/drivers/input/serio/xilinx_ps2.c +++ b/drivers/input/serio/xilinx_ps2.c @@ -243,18 +243,17 @@ static int xps2_of_probe(struct platform_device *ofdev) unsigned int irq; int error; - dev_info(dev, "Device Tree Probing \'%s\'\n", - ofdev->dev.of_node->name); + dev_info(dev, "Device Tree Probing \'%s\'\n", dev->of_node->name); /* Get iospace for the device */ - error = of_address_to_resource(ofdev->dev.of_node, 0, &r_mem); + error = of_address_to_resource(dev->of_node, 0, &r_mem); if (error) { dev_err(dev, "invalid address\n"); return error; } /* Get IRQ for the device */ - irq = irq_of_parse_and_map(ofdev->dev.of_node, 0); + irq = irq_of_parse_and_map(dev->of_node, 0); if (!irq) { dev_err(dev, "no IRQ found\n"); return -ENODEV; diff --git a/drivers/input/touchscreen/88pm860x-ts.c b/drivers/input/touchscreen/88pm860x-ts.c index 251ff2aa0633..7ed828a51f4c 100644 --- a/drivers/input/touchscreen/88pm860x-ts.c +++ b/drivers/input/touchscreen/88pm860x-ts.c @@ -240,8 +240,6 @@ static int pm860x_touch_probe(struct platform_device *pdev) if (!touch) return -ENOMEM; - platform_set_drvdata(pdev, touch); - touch->idev = devm_input_allocate_device(&pdev->dev); if (!touch->idev) { dev_err(&pdev->dev, "Failed to allocate input device!\n"); @@ -285,7 +283,6 @@ static int pm860x_touch_probe(struct platform_device *pdev) return ret; } - platform_set_drvdata(pdev, touch); return 0; } diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index efca0133e266..033599777651 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -546,18 +546,6 @@ config TOUCHSCREEN_INEXIO To compile this driver as a module, choose M here: the module will be called inexio. -config TOUCHSCREEN_INTEL_MID - tristate "Intel MID platform resistive touchscreen" - depends on INTEL_SCU_IPC - help - Say Y here if you have a Intel MID based touchscreen in - your system. - - If unsure, say N. - - To compile this driver as a module, choose M here: the - module will be called intel_mid_touch. - config TOUCHSCREEN_MK712 tristate "ICS MicroClock MK712 touchscreen" help @@ -1177,6 +1165,17 @@ config TOUCHSCREEN_TPS6507X To compile this driver as a module, choose M here: the module will be called tps6507x_ts. +config TOUCHSCREEN_ZET6223 + tristate "Zeitec ZET6223 touchscreen driver" + depends on I2C + help + Say Y here if you have a touchscreen using Zeitec ZET6223 + + If unsure, say N. + + To compile this driver as a module, choose M here: the + module will be called zet6223. + config TOUCHSCREEN_ZFORCE tristate "Neonode zForce infrared touchscreens" depends on I2C diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile index 81b86451782d..b622e5344137 100644 --- a/drivers/input/touchscreen/Makefile +++ b/drivers/input/touchscreen/Makefile @@ -42,7 +42,6 @@ obj-$(CONFIG_TOUCHSCREEN_GOODIX) += goodix.o obj-$(CONFIG_TOUCHSCREEN_ILI210X) += ili210x.o obj-$(CONFIG_TOUCHSCREEN_IMX6UL_TSC) += imx6ul_tsc.o obj-$(CONFIG_TOUCHSCREEN_INEXIO) += inexio.o -obj-$(CONFIG_TOUCHSCREEN_INTEL_MID) += intel-mid-touch.o obj-$(CONFIG_TOUCHSCREEN_IPROC) += bcm_iproc_tsc.o obj-$(CONFIG_TOUCHSCREEN_LPC32XX) += lpc32xx_ts.o obj-$(CONFIG_TOUCHSCREEN_MAX11801) += max11801_ts.o @@ -96,6 +95,7 @@ obj-$(CONFIG_TOUCHSCREEN_WM97XX_ZYLONITE) += zylonite-wm97xx.o obj-$(CONFIG_TOUCHSCREEN_W90X900) += w90p910_ts.o obj-$(CONFIG_TOUCHSCREEN_SX8654) += sx8654.o obj-$(CONFIG_TOUCHSCREEN_TPS6507X) += tps6507x-ts.o +obj-$(CONFIG_TOUCHSCREEN_ZET6223) += zet6223.o obj-$(CONFIG_TOUCHSCREEN_ZFORCE) += zforce_ts.o obj-$(CONFIG_TOUCHSCREEN_COLIBRI_VF50) += colibri-vf50-ts.o obj-$(CONFIG_TOUCHSCREEN_ROHM_BU21023) += rohm_bu21023.o diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index 1ce3ecbe37f8..f5793e3d945f 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -1462,8 +1462,6 @@ static int ads7846_remove(struct spi_device *spi) { struct ads7846 *ts = spi_get_drvdata(spi); - device_init_wakeup(&spi->dev, false); - sysfs_remove_group(&spi->dev.kobj, &ads784x_attr_group); ads7846_disable(ts); diff --git a/drivers/input/touchscreen/ar1021_i2c.c b/drivers/input/touchscreen/ar1021_i2c.c index 71b5a634cf6d..6562b17117f7 100644 --- a/drivers/input/touchscreen/ar1021_i2c.c +++ b/drivers/input/touchscreen/ar1021_i2c.c @@ -127,7 +127,6 @@ static int ar1021_i2c_probe(struct i2c_client *client, return error; } - i2c_set_clientdata(client, ar1021); return 0; } diff --git a/drivers/input/touchscreen/atmel-wm97xx.c b/drivers/input/touchscreen/atmel-wm97xx.c index 7ec0421c0dd8..8cf0b2be2df4 100644 --- a/drivers/input/touchscreen/atmel-wm97xx.c +++ b/drivers/input/touchscreen/atmel-wm97xx.c @@ -339,10 +339,8 @@ static int __init atmel_wm97xx_probe(struct platform_device *pdev) int ret; atmel_wm97xx = kzalloc(sizeof(struct atmel_wm97xx), GFP_KERNEL); - if (!atmel_wm97xx) { - dev_dbg(&pdev->dev, "out of memory\n"); + if (!atmel_wm97xx) return -ENOMEM; - } atmel_wm97xx->wm = wm; atmel_wm97xx->regs = (void *)ATMEL_WM97XX_AC97C_IOMEM; diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index e5d185fe69b9..2302aef2b2d4 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -2509,7 +2509,7 @@ static void mxt_debug_init(struct mxt_data *data) dbg->t37_pages = MXT1386_COLUMNS * MXT1386_PAGES_PER_COLUMN; else dbg->t37_pages = DIV_ROUND_UP(data->xsize * - data->info.matrix_ysize * + info->matrix_ysize * sizeof(u16), sizeof(dbg->t37_buf->data)); diff --git a/drivers/input/touchscreen/bu21013_ts.c b/drivers/input/touchscreen/bu21013_ts.c index 931417eb4f5a..4fa5da8d5fa8 100644 --- a/drivers/input/touchscreen/bu21013_ts.c +++ b/drivers/input/touchscreen/bu21013_ts.c @@ -637,8 +637,6 @@ static int bu21013_remove(struct i2c_client *client) kfree(bu21013_data); - device_init_wakeup(&client->dev, false); - return 0; } diff --git a/drivers/input/touchscreen/colibri-vf50-ts.c b/drivers/input/touchscreen/colibri-vf50-ts.c index 69828d015d45..69c08acae264 100644 --- a/drivers/input/touchscreen/colibri-vf50-ts.c +++ b/drivers/input/touchscreen/colibri-vf50-ts.c @@ -311,8 +311,6 @@ static int vf50_ts_probe(struct platform_device *pdev) return -ENOMEM; } - platform_set_drvdata(pdev, touchdev); - input->name = DRIVER_NAME; input->id.bustype = BUS_HOST; input->dev.parent = dev; diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c index 28466e358fee..8cf8d8d5d4ef 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -67,7 +67,7 @@ #define EDT_SWITCH_MODE_RETRIES 10 #define EDT_SWITCH_MODE_DELAY 5 /* msec */ #define EDT_RAW_DATA_RETRIES 100 -#define EDT_RAW_DATA_DELAY 1 /* msec */ +#define EDT_RAW_DATA_DELAY 1000 /* usec */ enum edt_ver { M06, @@ -664,7 +664,7 @@ static ssize_t edt_ft5x06_debugfs_raw_data_read(struct file *file, } do { - msleep(EDT_RAW_DATA_DELAY); + usleep_range(EDT_RAW_DATA_DELAY, EDT_RAW_DATA_DELAY + 100); val = edt_ft5x06_register_read(tsdata, 0x08); if (val < 1) break; @@ -982,7 +982,6 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client, return error; } - input_set_drvdata(input, tsdata); i2c_set_clientdata(client, tsdata); irq_flags = irq_get_trigger_type(client->irq); diff --git a/drivers/input/touchscreen/eeti_ts.c b/drivers/input/touchscreen/eeti_ts.c index 09be6ced7151..16023867b9da 100644 --- a/drivers/input/touchscreen/eeti_ts.c +++ b/drivers/input/touchscreen/eeti_ts.c @@ -173,12 +173,11 @@ static int eeti_ts_probe(struct i2c_client *client, priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) { dev_err(&client->dev, "failed to allocate driver data\n"); - goto err0; + return -ENOMEM; } mutex_init(&priv->mutex); input = input_allocate_device(); - if (!input) { dev_err(&client->dev, "Failed to allocate input device.\n"); goto err1; @@ -232,7 +231,6 @@ static int eeti_ts_probe(struct i2c_client *client, */ eeti_ts_stop(priv); - device_init_wakeup(&client->dev, 0); return 0; err3: @@ -243,7 +241,6 @@ err2: err1: input_free_device(input); kfree(priv); -err0: return err; } diff --git a/drivers/input/touchscreen/egalax_ts.c b/drivers/input/touchscreen/egalax_ts.c index 1afc08b08155..752ae9cf4514 100644 --- a/drivers/input/touchscreen/egalax_ts.c +++ b/drivers/input/touchscreen/egalax_ts.c @@ -214,8 +214,6 @@ static int egalax_ts_probe(struct i2c_client *client, ABS_MT_POSITION_Y, 0, EGALAX_MAX_Y, 0, 0); input_mt_init_slots(input_dev, MAX_SUPPORT_POINTS, 0); - input_set_drvdata(input_dev, ts); - error = devm_request_threaded_irq(&client->dev, client->irq, NULL, egalax_ts_interrupt, IRQF_TRIGGER_LOW | IRQF_ONESHOT, @@ -229,7 +227,6 @@ static int egalax_ts_probe(struct i2c_client *client, if (error) return error; - i2c_set_clientdata(client, ts); return 0; } diff --git a/drivers/input/touchscreen/elants_i2c.c b/drivers/input/touchscreen/elants_i2c.c index 3e6003d32e56..872750eeca93 100644 --- a/drivers/input/touchscreen/elants_i2c.c +++ b/drivers/input/touchscreen/elants_i2c.c @@ -1260,8 +1260,6 @@ static int elants_i2c_probe(struct i2c_client *client, input_abs_set_res(ts->input, ABS_MT_POSITION_X, ts->x_res); input_abs_set_res(ts->input, ABS_MT_POSITION_Y, ts->y_res); - input_set_drvdata(ts->input, ts); - error = input_register_device(ts->input); if (error) { dev_err(&client->dev, diff --git a/drivers/input/touchscreen/fsl-imx25-tcq.c b/drivers/input/touchscreen/fsl-imx25-tcq.c index d50ee490c9cc..47fe1f184bbc 100644 --- a/drivers/input/touchscreen/fsl-imx25-tcq.c +++ b/drivers/input/touchscreen/fsl-imx25-tcq.c @@ -507,7 +507,7 @@ static int mx25_tcq_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct input_dev *idev; struct mx25_tcq_priv *priv; - struct mx25_tsadc *tsadc = dev_get_drvdata(pdev->dev.parent); + struct mx25_tsadc *tsadc = dev_get_drvdata(dev->parent); struct resource *res; void __iomem *mem; int error; diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c index fe4848bd1f4c..6f76eeedf465 100644 --- a/drivers/input/touchscreen/ili210x.c +++ b/drivers/input/touchscreen/ili210x.c @@ -256,7 +256,6 @@ static int ili210x_i2c_probe(struct i2c_client *client, input_set_abs_params(input, ABS_MT_POSITION_X, 0, xmax, 0, 0); input_set_abs_params(input, ABS_MT_POSITION_Y, 0, ymax, 0, 0); - input_set_drvdata(input, priv); i2c_set_clientdata(client, priv); error = request_irq(client->irq, ili210x_irq, pdata->irq_flags, @@ -280,7 +279,7 @@ static int ili210x_i2c_probe(struct i2c_client *client, goto err_remove_sysfs; } - device_init_wakeup(&client->dev, 1); + device_init_wakeup(dev, 1); dev_dbg(dev, "ILI210x initialized (IRQ: %d), firmware version %d.%d.%d", diff --git a/drivers/input/touchscreen/intel-mid-touch.c b/drivers/input/touchscreen/intel-mid-touch.c deleted file mode 100644 index b4f0725a1c3d..000000000000 --- a/drivers/input/touchscreen/intel-mid-touch.c +++ /dev/null @@ -1,654 +0,0 @@ -/* - * Intel MID Resistive Touch Screen Driver - * - * Copyright (C) 2008 Intel Corp - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * 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; version 2 of the License. - * - * 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. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * - * Questions/Comments/Bug fixes to Sreedhara (sreedhara.ds@intel.com) - * Ramesh Agarwal (ramesh.agarwal@intel.com) - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * TODO: - * review conversion of r/m/w sequences - */ - -#include <linux/module.h> -#include <linux/input.h> -#include <linux/interrupt.h> -#include <linux/err.h> -#include <linux/param.h> -#include <linux/slab.h> -#include <linux/platform_device.h> -#include <linux/irq.h> -#include <linux/delay.h> -#include <asm/intel_scu_ipc.h> -#include <linux/device.h> - -/* PMIC Interrupt registers */ -#define PMIC_REG_ID1 0x00 /* PMIC ID1 register */ - -/* PMIC Interrupt registers */ -#define PMIC_REG_INT 0x04 /* PMIC interrupt register */ -#define PMIC_REG_MINT 0x05 /* PMIC interrupt mask register */ - -/* ADC Interrupt registers */ -#define PMIC_REG_ADCINT 0x5F /* ADC interrupt register */ -#define PMIC_REG_MADCINT 0x60 /* ADC interrupt mask register */ - -/* ADC Control registers */ -#define PMIC_REG_ADCCNTL1 0x61 /* ADC control register */ - -/* ADC Channel Selection registers */ -#define PMICADDR0 0xA4 -#define END_OF_CHANNEL 0x1F - -/* ADC Result register */ -#define PMIC_REG_ADCSNS0H 0x64 - -/* ADC channels for touch screen */ -#define MRST_TS_CHAN10 0xA /* Touch screen X+ connection */ -#define MRST_TS_CHAN11 0xB /* Touch screen X- connection */ -#define MRST_TS_CHAN12 0xC /* Touch screen Y+ connection */ -#define MRST_TS_CHAN13 0xD /* Touch screen Y- connection */ - -/* Touch screen channel BIAS constants */ -#define MRST_XBIAS 0x20 -#define MRST_YBIAS 0x40 -#define MRST_ZBIAS 0x80 - -/* Touch screen coordinates */ -#define MRST_X_MIN 10 -#define MRST_X_MAX 1024 -#define MRST_X_FUZZ 5 -#define MRST_Y_MIN 10 -#define MRST_Y_MAX 1024 -#define MRST_Y_FUZZ 5 -#define MRST_PRESSURE_MIN 0 -#define MRST_PRESSURE_NOMINAL 50 -#define MRST_PRESSURE_MAX 100 - -#define WAIT_ADC_COMPLETION 10 /* msec */ - -/* PMIC ADC round robin delays */ -#define ADC_LOOP_DELAY0 0x0 /* Continuous loop */ -#define ADC_LOOP_DELAY1 0x1 /* 4.5 ms approximate */ - -/* PMIC Vendor Identifiers */ -#define PMIC_VENDOR_FS 0 /* PMIC vendor FreeScale */ -#define PMIC_VENDOR_MAXIM 1 /* PMIC vendor MAXIM */ -#define PMIC_VENDOR_NEC 2 /* PMIC vendor NEC */ -#define MRSTOUCH_MAX_CHANNELS 32 /* Maximum ADC channels */ - -/* Touch screen device structure */ -struct mrstouch_dev { - struct device *dev; /* device associated with touch screen */ - struct input_dev *input; - char phys[32]; - u16 asr; /* Address selection register */ - int irq; - unsigned int vendor; /* PMIC vendor */ - unsigned int rev; /* PMIC revision */ - - int (*read_prepare)(struct mrstouch_dev *tsdev); - int (*read)(struct mrstouch_dev *tsdev, u16 *x, u16 *y, u16 *z); - int (*read_finish)(struct mrstouch_dev *tsdev); -}; - - -/*************************** NEC and Maxim Interface ************************/ - -static int mrstouch_nec_adc_read_prepare(struct mrstouch_dev *tsdev) -{ - return intel_scu_ipc_update_register(PMIC_REG_MADCINT, 0, 0x20); -} - -/* - * Enables PENDET interrupt. - */ -static int mrstouch_nec_adc_read_finish(struct mrstouch_dev *tsdev) -{ - int err; - - err = intel_scu_ipc_update_register(PMIC_REG_MADCINT, 0x20, 0x20); - if (!err) - err = intel_scu_ipc_update_register(PMIC_REG_ADCCNTL1, 0, 0x05); - - return err; -} - -/* - * Reads PMIC ADC touch screen result - * Reads ADC storage registers for higher 7 and lower 3 bits and - * converts the two readings into a single value and turns off gain bit - */ -static int mrstouch_ts_chan_read(u16 offset, u16 chan, u16 *vp, u16 *vm) -{ - int err; - u16 result; - u32 res; - - result = PMIC_REG_ADCSNS0H + offset; - - if (chan == MRST_TS_CHAN12) - result += 4; - - err = intel_scu_ipc_ioread32(result, &res); - if (err) - return err; - - /* Mash the bits up */ - - *vp = (res & 0xFF) << 3; /* Highest 7 bits */ - *vp |= (res >> 8) & 0x07; /* Lower 3 bits */ - *vp &= 0x3FF; - - res >>= 16; - - *vm = (res & 0xFF) << 3; /* Highest 7 bits */ - *vm |= (res >> 8) & 0x07; /* Lower 3 bits */ - *vm &= 0x3FF; - - return 0; -} - -/* - * Enables X, Y and Z bias values - * Enables YPYM for X channels and XPXM for Y channels - */ -static int mrstouch_ts_bias_set(uint offset, uint bias) -{ - int count; - u16 chan, start; - u16 reg[4]; - u8 data[4]; - - chan = PMICADDR0 + offset; - start = MRST_TS_CHAN10; - - for (count = 0; count <= 3; count++) { - reg[count] = chan++; - data[count] = bias | (start + count); - } - - return intel_scu_ipc_writev(reg, data, 4); -} - -/* To read touch screen channel values */ -static int mrstouch_nec_adc_read(struct mrstouch_dev *tsdev, - u16 *x, u16 *y, u16 *z) -{ - int err; - u16 xm, ym, zm; - - /* configure Y bias for X channels */ - err = mrstouch_ts_bias_set(tsdev->asr, MRST_YBIAS); - if (err) - goto ipc_error; - - msleep(WAIT_ADC_COMPLETION); - - /* read x+ and x- channels */ - err = mrstouch_ts_chan_read(tsdev->asr, MRST_TS_CHAN10, x, &xm); - if (err) - goto ipc_error; - - /* configure x bias for y channels */ - err = mrstouch_ts_bias_set(tsdev->asr, MRST_XBIAS); - if (err) - goto ipc_error; - - msleep(WAIT_ADC_COMPLETION); - - /* read y+ and y- channels */ - err = mrstouch_ts_chan_read(tsdev->asr, MRST_TS_CHAN12, y, &ym); - if (err) - goto ipc_error; - - /* configure z bias for x and y channels */ - err = mrstouch_ts_bias_set(tsdev->asr, MRST_ZBIAS); - if (err) - goto ipc_error; - - msleep(WAIT_ADC_COMPLETION); - - /* read z+ and z- channels */ - err = mrstouch_ts_chan_read(tsdev->asr, MRST_TS_CHAN10, z, &zm); - if (err) - goto ipc_error; - - return 0; - -ipc_error: - dev_err(tsdev->dev, "ipc error during adc read\n"); - return err; -} - - -/*************************** Freescale Interface ************************/ - -static int mrstouch_fs_adc_read_prepare(struct mrstouch_dev *tsdev) -{ - int err, count; - u16 chan; - u16 reg[5]; - u8 data[5]; - - /* Stop the ADC */ - err = intel_scu_ipc_update_register(PMIC_REG_MADCINT, 0x00, 0x02); - if (err) - goto ipc_error; - - chan = PMICADDR0 + tsdev->asr; - - /* Set X BIAS */ - for (count = 0; count <= 3; count++) { - reg[count] = chan++; - data[count] = 0x2A; - } - reg[count] = chan++; /* Dummy */ - data[count] = 0; - - err = intel_scu_ipc_writev(reg, data, 5); - if (err) - goto ipc_error; - - msleep(WAIT_ADC_COMPLETION); - - /* Set Y BIAS */ - for (count = 0; count <= 3; count++) { - reg[count] = chan++; - data[count] = 0x4A; - } - reg[count] = chan++; /* Dummy */ - data[count] = 0; - - err = intel_scu_ipc_writev(reg, data, 5); - if (err) - goto ipc_error; - - msleep(WAIT_ADC_COMPLETION); - - /* Set Z BIAS */ - err = intel_scu_ipc_iowrite32(chan + 2, 0x8A8A8A8A); - if (err) - goto ipc_error; - - msleep(WAIT_ADC_COMPLETION); - - return 0; - -ipc_error: - dev_err(tsdev->dev, "ipc error during %s\n", __func__); - return err; -} - -static int mrstouch_fs_adc_read(struct mrstouch_dev *tsdev, - u16 *x, u16 *y, u16 *z) -{ - int err; - u16 result; - u16 reg[4]; - u8 data[4]; - - result = PMIC_REG_ADCSNS0H + tsdev->asr; - - reg[0] = result + 4; - reg[1] = result + 5; - reg[2] = result + 16; - reg[3] = result + 17; - - err = intel_scu_ipc_readv(reg, data, 4); - if (err) - goto ipc_error; - - *x = data[0] << 3; /* Higher 7 bits */ - *x |= data[1] & 0x7; /* Lower 3 bits */ - *x &= 0x3FF; - - *y = data[2] << 3; /* Higher 7 bits */ - *y |= data[3] & 0x7; /* Lower 3 bits */ - *y &= 0x3FF; - - /* Read Z value */ - reg[0] = result + 28; - reg[1] = result + 29; - - err = intel_scu_ipc_readv(reg, data, 4); - if (err) - goto ipc_error; - - *z = data[0] << 3; /* Higher 7 bits */ - *z |= data[1] & 0x7; /* Lower 3 bits */ - *z &= 0x3FF; - - return 0; - -ipc_error: - dev_err(tsdev->dev, "ipc error during %s\n", __func__); - return err; -} - -static int mrstouch_fs_adc_read_finish(struct mrstouch_dev *tsdev) -{ - int err, count; - u16 chan; - u16 reg[5]; - u8 data[5]; - - /* Clear all TS channels */ - chan = PMICADDR0 + tsdev->asr; - for (count = 0; count <= 4; count++) { - reg[count] = chan++; - data[count] = 0; - } - err = intel_scu_ipc_writev(reg, data, 5); - if (err) - goto ipc_error; - - for (count = 0; count <= 4; count++) { - reg[count] = chan++; - data[count] = 0; - } - err = intel_scu_ipc_writev(reg, data, 5); - if (err) - goto ipc_error; - - err = intel_scu_ipc_iowrite32(chan + 2, 0x00000000); - if (err) - goto ipc_error; - - /* Start ADC */ - err = intel_scu_ipc_update_register(PMIC_REG_MADCINT, 0x02, 0x02); - if (err) - goto ipc_error; - - return 0; - -ipc_error: - dev_err(tsdev->dev, "ipc error during %s\n", __func__); - return err; -} - -static void mrstouch_report_event(struct input_dev *input, - unsigned int x, unsigned int y, unsigned int z) -{ - if (z > MRST_PRESSURE_NOMINAL) { - /* Pen touched, report button touch and coordinates */ - input_report_key(input, BTN_TOUCH, 1); - input_report_abs(input, ABS_X, x); - input_report_abs(input, ABS_Y, y); - } else { - input_report_key(input, BTN_TOUCH, 0); - } - - input_report_abs(input, ABS_PRESSURE, z); - input_sync(input); -} - -/* PENDET interrupt handler */ -static irqreturn_t mrstouch_pendet_irq(int irq, void *dev_id) -{ - struct mrstouch_dev *tsdev = dev_id; - u16 x, y, z; - - /* - * Should we lower thread priority? Probably not, since we are - * not spinning but sleeping... - */ - - if (tsdev->read_prepare(tsdev)) - goto out; - - do { - if (tsdev->read(tsdev, &x, &y, &z)) - break; - - mrstouch_report_event(tsdev->input, x, y, z); - } while (z > MRST_PRESSURE_NOMINAL); - - tsdev->read_finish(tsdev); - -out: - return IRQ_HANDLED; -} - -/* Utility to read PMIC ID */ -static int mrstouch_read_pmic_id(uint *vendor, uint *rev) -{ - int err; - u8 r; - - err = intel_scu_ipc_ioread8(PMIC_REG_ID1, &r); - if (err) - return err; - - *vendor = r & 0x7; - *rev = (r >> 3) & 0x7; - - return 0; -} - -/* - * Parse ADC channels to find end of the channel configured by other ADC user - * NEC and MAXIM requires 4 channels and FreeScale needs 18 channels - */ -static int mrstouch_chan_parse(struct mrstouch_dev *tsdev) -{ - int found = 0; - int err, i; - u8 r8; - - for (i = 0; i < MRSTOUCH_MAX_CHANNELS; i++) { - err = intel_scu_ipc_ioread8(PMICADDR0 + i, &r8); - if (err) - return err; - - if (r8 == END_OF_CHANNEL) { - found = i; - break; - } - } - - if (tsdev->vendor == PMIC_VENDOR_FS) { - if (found > MRSTOUCH_MAX_CHANNELS - 18) - return -ENOSPC; - } else { - if (found > MRSTOUCH_MAX_CHANNELS - 4) - return -ENOSPC; - } - - return found; -} - - -/* - * Writes touch screen channels to ADC address selection registers - */ -static int mrstouch_ts_chan_set(uint offset) -{ - u16 chan; - - int ret, count; - - chan = PMICADDR0 + offset; - for (count = 0; count <= 3; count++) { - ret = intel_scu_ipc_iowrite8(chan++, MRST_TS_CHAN10 + count); - if (ret) - return ret; - } - return intel_scu_ipc_iowrite8(chan++, END_OF_CHANNEL); -} - -/* Initialize ADC */ -static int mrstouch_adc_init(struct mrstouch_dev *tsdev) -{ - int err, start; - u8 ra, rm; - - err = mrstouch_read_pmic_id(&tsdev->vendor, &tsdev->rev); - if (err) { - dev_err(tsdev->dev, "Unable to read PMIC id\n"); - return err; - } - - switch (tsdev->vendor) { - case PMIC_VENDOR_NEC: - case PMIC_VENDOR_MAXIM: - tsdev->read_prepare = mrstouch_nec_adc_read_prepare; - tsdev->read = mrstouch_nec_adc_read; - tsdev->read_finish = mrstouch_nec_adc_read_finish; - break; - - case PMIC_VENDOR_FS: - tsdev->read_prepare = mrstouch_fs_adc_read_prepare; - tsdev->read = mrstouch_fs_adc_read; - tsdev->read_finish = mrstouch_fs_adc_read_finish; - break; - - default: - dev_err(tsdev->dev, - "Unsupported touchscreen: %d\n", tsdev->vendor); - return -ENXIO; - } - - start = mrstouch_chan_parse(tsdev); - if (start < 0) { - dev_err(tsdev->dev, "Unable to parse channels\n"); - return start; - } - - tsdev->asr = start; - - /* - * ADC power on, start, enable PENDET and set loop delay - * ADC loop delay is set to 4.5 ms approximately - * Loop delay more than this results in jitter in adc readings - * Setting loop delay to 0 (continuous loop) in MAXIM stops PENDET - * interrupt generation sometimes. - */ - - if (tsdev->vendor == PMIC_VENDOR_FS) { - ra = 0xE0 | ADC_LOOP_DELAY0; - rm = 0x5; - } else { - /* NEC and MAXIm not consistent with loop delay 0 */ - ra = 0xE0 | ADC_LOOP_DELAY1; - rm = 0x0; - - /* configure touch screen channels */ - err = mrstouch_ts_chan_set(tsdev->asr); - if (err) - return err; - } - - err = intel_scu_ipc_update_register(PMIC_REG_ADCCNTL1, ra, 0xE7); - if (err) - return err; - - err = intel_scu_ipc_update_register(PMIC_REG_MADCINT, rm, 0x03); - if (err) - return err; - - return 0; -} - - -/* Probe function for touch screen driver */ -static int mrstouch_probe(struct platform_device *pdev) -{ - struct mrstouch_dev *tsdev; - struct input_dev *input; - int err; - int irq; - - irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(&pdev->dev, "no interrupt assigned\n"); - return -EINVAL; - } - - tsdev = devm_kzalloc(&pdev->dev, sizeof(struct mrstouch_dev), - GFP_KERNEL); - if (!tsdev) { - dev_err(&pdev->dev, "unable to allocate memory\n"); - return -ENOMEM; - } - - input = devm_input_allocate_device(&pdev->dev); - if (!input) { - dev_err(&pdev->dev, "unable to allocate input device\n"); - return -ENOMEM; - } - - tsdev->dev = &pdev->dev; - tsdev->input = input; - tsdev->irq = irq; - - snprintf(tsdev->phys, sizeof(tsdev->phys), - "%s/input0", dev_name(tsdev->dev)); - - err = mrstouch_adc_init(tsdev); - if (err) { - dev_err(&pdev->dev, "ADC initialization failed\n"); - return err; - } - - input->name = "mrst_touchscreen"; - input->phys = tsdev->phys; - input->dev.parent = tsdev->dev; - - input->id.vendor = tsdev->vendor; - input->id.version = tsdev->rev; - - input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); - input->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); - - input_set_abs_params(tsdev->input, ABS_X, - MRST_X_MIN, MRST_X_MAX, MRST_X_FUZZ, 0); - input_set_abs_params(tsdev->input, ABS_Y, - MRST_Y_MIN, MRST_Y_MAX, MRST_Y_FUZZ, 0); - input_set_abs_params(tsdev->input, ABS_PRESSURE, - MRST_PRESSURE_MIN, MRST_PRESSURE_MAX, 0, 0); - - err = devm_request_threaded_irq(&pdev->dev, tsdev->irq, NULL, - mrstouch_pendet_irq, IRQF_ONESHOT, - "mrstouch", tsdev); - if (err) { - dev_err(tsdev->dev, "unable to allocate irq\n"); - return err; - } - - err = input_register_device(tsdev->input); - if (err) { - dev_err(tsdev->dev, "unable to register input device\n"); - return err; - } - - return 0; -} - -static struct platform_driver mrstouch_driver = { - .driver = { - .name = "pmic_touch", - }, - .probe = mrstouch_probe, -}; -module_platform_driver(mrstouch_driver); - -MODULE_AUTHOR("Sreedhara Murthy. D.S, sreedhara.ds@intel.com"); -MODULE_DESCRIPTION("Intel Moorestown Resistive Touch Screen Driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/input/touchscreen/lpc32xx_ts.c b/drivers/input/touchscreen/lpc32xx_ts.c index 7fbb3b0c8571..e0baa7de4102 100644 --- a/drivers/input/touchscreen/lpc32xx_ts.c +++ b/drivers/input/touchscreen/lpc32xx_ts.c @@ -313,7 +313,6 @@ static int lpc32xx_ts_remove(struct platform_device *pdev) struct lpc32xx_tsc *tsc = platform_get_drvdata(pdev); struct resource *res; - device_init_wakeup(&pdev->dev, 0); free_irq(tsc->irq, tsc); input_unregister_device(tsc->dev); diff --git a/drivers/input/touchscreen/max11801_ts.c b/drivers/input/touchscreen/max11801_ts.c index 82079cde849c..a595ae5284e3 100644 --- a/drivers/input/touchscreen/max11801_ts.c +++ b/drivers/input/touchscreen/max11801_ts.c @@ -199,7 +199,6 @@ static int max11801_ts_probe(struct i2c_client *client, __set_bit(BTN_TOUCH, input_dev->keybit); input_set_abs_params(input_dev, ABS_X, 0, MAX11801_MAX_X, 0, 0); input_set_abs_params(input_dev, ABS_Y, 0, MAX11801_MAX_Y, 0, 0); - input_set_drvdata(input_dev, data); max11801_ts_phy_init(data); @@ -216,7 +215,6 @@ static int max11801_ts_probe(struct i2c_client *client, if (error) return error; - i2c_set_clientdata(client, data); return 0; } diff --git a/drivers/input/touchscreen/mcs5000_ts.c b/drivers/input/touchscreen/mcs5000_ts.c index 8b47e1fecb25..90fc07dc98a6 100644 --- a/drivers/input/touchscreen/mcs5000_ts.c +++ b/drivers/input/touchscreen/mcs5000_ts.c @@ -221,7 +221,6 @@ static int mcs5000_ts_probe(struct i2c_client *client, input_set_abs_params(input_dev, ABS_X, 0, MCS5000_MAX_XC, 0, 0); input_set_abs_params(input_dev, ABS_Y, 0, MCS5000_MAX_YC, 0, 0); - input_set_drvdata(input_dev, data); data->input_dev = input_dev; if (pdata->cfg_pin) diff --git a/drivers/input/touchscreen/pixcir_i2c_ts.c b/drivers/input/touchscreen/pixcir_i2c_ts.c index 3bb0637d832e..37ff672c7802 100644 --- a/drivers/input/touchscreen/pixcir_i2c_ts.c +++ b/drivers/input/touchscreen/pixcir_i2c_ts.c @@ -461,7 +461,7 @@ static int pixcir_i2c_ts_probe(struct i2c_client *client, if (error) return error; } else { - dev_err(&client->dev, "platform data not defined\n"); + dev_err(dev, "platform data not defined\n"); return -EINVAL; } @@ -483,7 +483,7 @@ static int pixcir_i2c_ts_probe(struct i2c_client *client, input->id.bustype = BUS_I2C; input->open = pixcir_input_open; input->close = pixcir_input_close; - input->dev.parent = &client->dev; + input->dev.parent = dev; if (pdata) { input_set_abs_params(input, ABS_MT_POSITION_X, 0, pdata->x_max, 0, 0); diff --git a/drivers/input/touchscreen/raydium_i2c_ts.c b/drivers/input/touchscreen/raydium_i2c_ts.c index 2658afa016c9..1252e49ccfa1 100644 --- a/drivers/input/touchscreen/raydium_i2c_ts.c +++ b/drivers/input/touchscreen/raydium_i2c_ts.c @@ -1087,8 +1087,6 @@ static int raydium_i2c_probe(struct i2c_client *client, ts->input->name = "Raydium Touchscreen"; ts->input->id.bustype = BUS_I2C; - input_set_drvdata(ts->input, ts); - input_set_abs_params(ts->input, ABS_MT_POSITION_X, 0, le16_to_cpu(ts->info.x_max), 0, 0); input_set_abs_params(ts->input, ABS_MT_POSITION_Y, diff --git a/drivers/input/touchscreen/rohm_bu21023.c b/drivers/input/touchscreen/rohm_bu21023.c index 611156a2ef80..eeaf6ff03597 100644 --- a/drivers/input/touchscreen/rohm_bu21023.c +++ b/drivers/input/touchscreen/rohm_bu21023.c @@ -1189,8 +1189,7 @@ static int rohm_bu21023_i2c_probe(struct i2c_client *client, error = devm_add_action(dev, rohm_ts_remove_sysfs_group, dev); if (error) { rohm_ts_remove_sysfs_group(dev); - dev_err(&client->dev, - "Failed to add sysfs cleanup action: %d\n", + dev_err(dev, "Failed to add sysfs cleanup action: %d\n", error); return error; } diff --git a/drivers/input/touchscreen/s3c2410_ts.c b/drivers/input/touchscreen/s3c2410_ts.c index a4a103e1d11b..41d58e88cc8a 100644 --- a/drivers/input/touchscreen/s3c2410_ts.c +++ b/drivers/input/touchscreen/s3c2410_ts.c @@ -250,7 +250,7 @@ static int s3c2410ts_probe(struct platform_device *pdev) ts.dev = dev; - info = dev_get_platdata(&pdev->dev); + info = dev_get_platdata(dev); if (!info) { dev_err(dev, "no platform data, cannot attach\n"); return -EINVAL; diff --git a/drivers/input/touchscreen/sis_i2c.c b/drivers/input/touchscreen/sis_i2c.c index 8d93f8c9a403..67c2563031d6 100644 --- a/drivers/input/touchscreen/sis_i2c.c +++ b/drivers/input/touchscreen/sis_i2c.c @@ -316,7 +316,6 @@ static int sis_ts_probe(struct i2c_client *client, return -ENOMEM; ts->client = client; - i2c_set_clientdata(client, ts); ts->attn_gpio = devm_gpiod_get_optional(&client->dev, "attn", GPIOD_IN); diff --git a/drivers/input/touchscreen/st1232.c b/drivers/input/touchscreen/st1232.c index e943678ce54c..be5615c6bf8f 100644 --- a/drivers/input/touchscreen/st1232.c +++ b/drivers/input/touchscreen/st1232.c @@ -237,7 +237,6 @@ static int st1232_ts_remove(struct i2c_client *client) { struct st1232_ts_data *ts = i2c_get_clientdata(client); - device_init_wakeup(&client->dev, 0); st1232_ts_power(ts, false); return 0; diff --git a/drivers/input/touchscreen/sx8654.c b/drivers/input/touchscreen/sx8654.c index 642f4a53de50..ed29db3ec731 100644 --- a/drivers/input/touchscreen/sx8654.c +++ b/drivers/input/touchscreen/sx8654.c @@ -253,7 +253,6 @@ static int sx8654_probe(struct i2c_client *client, if (error) return error; - i2c_set_clientdata(client, sx8654); return 0; } diff --git a/drivers/input/touchscreen/tsc2005.c b/drivers/input/touchscreen/tsc2005.c index f2c5f0e47f77..e02b69f40ad8 100644 --- a/drivers/input/touchscreen/tsc2005.c +++ b/drivers/input/touchscreen/tsc2005.c @@ -18,8 +18,9 @@ * GNU General Public License for more details. */ -#include <linux/module.h> #include <linux/input.h> +#include <linux/module.h> +#include <linux/of.h> #include <linux/spi/spi.h> #include <linux/regmap.h> #include "tsc200x-core.h" @@ -77,9 +78,18 @@ static int tsc2005_remove(struct spi_device *spi) return tsc200x_remove(&spi->dev); } +#ifdef CONFIG_OF +static const struct of_device_id tsc2005_of_match[] = { + { .compatible = "ti,tsc2005" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, tsc2005_of_match); +#endif + static struct spi_driver tsc2005_driver = { .driver = { .name = "tsc2005", + .of_match_table = of_match_ptr(tsc2005_of_match), .pm = &tsc200x_pm_ops, }, .probe = tsc2005_probe, diff --git a/drivers/input/touchscreen/tsc200x-core.c b/drivers/input/touchscreen/tsc200x-core.c index b7059ed8872e..88ea5e1b72ae 100644 --- a/drivers/input/touchscreen/tsc200x-core.c +++ b/drivers/input/touchscreen/tsc200x-core.c @@ -27,7 +27,6 @@ #include <linux/delay.h> #include <linux/pm.h> #include <linux/of.h> -#include <linux/spi/tsc2005.h> #include <linux/regulator/consumer.h> #include <linux/regmap.h> #include <linux/gpio/consumer.h> @@ -114,7 +113,6 @@ struct tsc200x { struct regulator *vio; struct gpio_desc *reset_gpio; - void (*set_reset)(bool enable); int (*tsc200x_cmd)(struct device *dev, u8 cmd); int irq; }; @@ -227,12 +225,13 @@ static void tsc200x_stop_scan(struct tsc200x *ts) ts->tsc200x_cmd(ts->dev, TSC200X_CMD_STOP); } -static void tsc200x_set_reset(struct tsc200x *ts, bool enable) +static void tsc200x_reset(struct tsc200x *ts) { - if (ts->reset_gpio) - gpiod_set_value_cansleep(ts->reset_gpio, enable); - else if (ts->set_reset) - ts->set_reset(enable); + if (ts->reset_gpio) { + gpiod_set_value_cansleep(ts->reset_gpio, 1); + usleep_range(100, 500); /* only 10us required */ + gpiod_set_value_cansleep(ts->reset_gpio, 0); + } } /* must be called with ts->mutex held */ @@ -253,7 +252,7 @@ static void __tsc200x_enable(struct tsc200x *ts) { tsc200x_start_scan(ts); - if (ts->esd_timeout && (ts->set_reset || ts->reset_gpio)) { + if (ts->esd_timeout && ts->reset_gpio) { ts->last_valid_interrupt = jiffies; schedule_delayed_work(&ts->esd_work, round_jiffies_relative( @@ -310,9 +309,7 @@ static ssize_t tsc200x_selftest_show(struct device *dev, } /* hardware reset */ - tsc200x_set_reset(ts, false); - usleep_range(100, 500); /* only 10us required */ - tsc200x_set_reset(ts, true); + tsc200x_reset(ts); if (!success) goto out; @@ -354,7 +351,7 @@ static umode_t tsc200x_attr_is_visible(struct kobject *kobj, umode_t mode = attr->mode; if (attr == &dev_attr_selftest.attr) { - if (!ts->set_reset && !ts->reset_gpio) + if (!ts->reset_gpio) mode = 0; } @@ -404,9 +401,7 @@ static void tsc200x_esd_work(struct work_struct *work) tsc200x_update_pen_state(ts, 0, 0, 0); - tsc200x_set_reset(ts, false); - usleep_range(100, 500); /* only 10us required */ - tsc200x_set_reset(ts, true); + tsc200x_reset(ts); enable_irq(ts->irq); tsc200x_start_scan(ts); @@ -454,26 +449,12 @@ int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id, struct regmap *regmap, int (*tsc200x_cmd)(struct device *dev, u8 cmd)) { - const struct tsc2005_platform_data *pdata = dev_get_platdata(dev); - struct device_node *np = dev->of_node; - struct tsc200x *ts; struct input_dev *input_dev; - unsigned int max_x = MAX_12BIT; - unsigned int max_y = MAX_12BIT; - unsigned int max_p = MAX_12BIT; - unsigned int fudge_x = TSC200X_DEF_X_FUZZ; - unsigned int fudge_y = TSC200X_DEF_Y_FUZZ; - unsigned int fudge_p = TSC200X_DEF_P_FUZZ; - unsigned int x_plate_ohm = TSC200X_DEF_RESISTOR; - unsigned int esd_timeout; + u32 x_plate_ohm; + u32 esd_timeout; int error; - if (!np && !pdata) { - dev_err(dev, "no platform data\n"); - return -ENODEV; - } - if (irq <= 0) { dev_err(dev, "no irq\n"); return -ENODEV; @@ -487,23 +468,6 @@ int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id, return -ENODEV; } - if (pdata) { - fudge_x = pdata->ts_x_fudge; - fudge_y = pdata->ts_y_fudge; - fudge_p = pdata->ts_pressure_fudge; - max_x = pdata->ts_x_max; - max_y = pdata->ts_y_max; - max_p = pdata->ts_pressure_max; - x_plate_ohm = pdata->ts_x_plate_ohm; - esd_timeout = pdata->esd_timeout_ms; - } else { - x_plate_ohm = TSC200X_DEF_RESISTOR; - of_property_read_u32(np, "ti,x-plate-ohms", &x_plate_ohm); - esd_timeout = 0; - of_property_read_u32(np, "ti,esd-recovery-timeout-ms", - &esd_timeout); - } - ts = devm_kzalloc(dev, sizeof(*ts), GFP_KERNEL); if (!ts) return -ENOMEM; @@ -517,8 +481,13 @@ int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id, ts->idev = input_dev; ts->regmap = regmap; ts->tsc200x_cmd = tsc200x_cmd; - ts->x_plate_ohm = x_plate_ohm; - ts->esd_timeout = esd_timeout; + + error = device_property_read_u32(dev, "ti,x-plate-ohms", &x_plate_ohm); + ts->x_plate_ohm = error ? TSC200X_DEF_RESISTOR : x_plate_ohm; + + error = device_property_read_u32(dev, "ti,esd-recovery-timeout-ms", + &esd_timeout); + ts->esd_timeout = error ? 0 : esd_timeout; ts->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(ts->reset_gpio)) { @@ -527,16 +496,13 @@ int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id, return error; } - ts->vio = devm_regulator_get_optional(dev, "vio"); + ts->vio = devm_regulator_get(dev, "vio"); if (IS_ERR(ts->vio)) { error = PTR_ERR(ts->vio); - dev_err(dev, "vio regulator missing (%d)", error); + dev_err(dev, "error acquiring vio regulator: %d", error); return error; } - if (!ts->reset_gpio && pdata) - ts->set_reset = pdata->set_reset; - mutex_init(&ts->mutex); spin_lock_init(&ts->lock); @@ -559,22 +525,23 @@ int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id, input_dev->phys = ts->phys; input_dev->id = *tsc_id; - input_dev->dev.parent = dev; - input_dev->evbit[0] = BIT(EV_ABS) | BIT(EV_KEY); - input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); - - input_set_abs_params(input_dev, ABS_X, 0, max_x, fudge_x, 0); - input_set_abs_params(input_dev, ABS_Y, 0, max_y, fudge_y, 0); - input_set_abs_params(input_dev, ABS_PRESSURE, 0, max_p, fudge_p, 0); - - if (np) - touchscreen_parse_properties(input_dev, false, NULL); input_dev->open = tsc200x_open; input_dev->close = tsc200x_close; input_set_drvdata(input_dev, ts); + input_set_capability(input_dev, EV_KEY, BTN_TOUCH); + + input_set_abs_params(input_dev, ABS_X, + 0, MAX_12BIT, TSC200X_DEF_X_FUZZ, 0); + input_set_abs_params(input_dev, ABS_Y, + 0, MAX_12BIT, TSC200X_DEF_Y_FUZZ, 0); + input_set_abs_params(input_dev, ABS_PRESSURE, + 0, MAX_12BIT, TSC200X_DEF_P_FUZZ, 0); + + touchscreen_parse_properties(input_dev, false, NULL); + /* Ensure the touchscreen is off */ tsc200x_stop_scan(ts); @@ -587,12 +554,9 @@ int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id, return error; } - /* enable regulator for DT */ - if (ts->vio) { - error = regulator_enable(ts->vio); - if (error) - return error; - } + error = regulator_enable(ts->vio); + if (error) + return error; dev_set_drvdata(dev, ts); error = sysfs_create_group(&dev->kobj, &tsc200x_attr_group); @@ -615,8 +579,7 @@ int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id, err_remove_sysfs: sysfs_remove_group(&dev->kobj, &tsc200x_attr_group); disable_regulator: - if (ts->vio) - regulator_disable(ts->vio); + regulator_disable(ts->vio); return error; } EXPORT_SYMBOL_GPL(tsc200x_probe); @@ -627,8 +590,7 @@ int tsc200x_remove(struct device *dev) sysfs_remove_group(&dev->kobj, &tsc200x_attr_group); - if (ts->vio) - regulator_disable(ts->vio); + regulator_disable(ts->vio); return 0; } diff --git a/drivers/input/touchscreen/zet6223.c b/drivers/input/touchscreen/zet6223.c new file mode 100644 index 000000000000..19ffcc7b886c --- /dev/null +++ b/drivers/input/touchscreen/zet6223.c @@ -0,0 +1,268 @@ +/* + * Copyright (C) 2016, Jelle van der Waa <jelle@vdwaa.nl> + * + * 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/delay.h> +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/input/mt.h> +#include <linux/input/touchscreen.h> +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/regulator/consumer.h> +#include <asm/unaligned.h> + +#define ZET6223_MAX_FINGERS 16 +#define ZET6223_MAX_PKT_SIZE (3 + 4 * ZET6223_MAX_FINGERS) + +#define ZET6223_CMD_INFO 0xB2 +#define ZET6223_CMD_INFO_LENGTH 17 +#define ZET6223_VALID_PACKET 0x3c + +#define ZET6223_POWER_ON_DELAY_MSEC 30 + +struct zet6223_ts { + struct i2c_client *client; + struct input_dev *input; + struct regulator *vcc; + struct regulator *vio; + struct touchscreen_properties prop; + struct regulator_bulk_data supplies[2]; + u16 max_x; + u16 max_y; + u8 fingernum; +}; + +static int zet6223_start(struct input_dev *dev) +{ + struct zet6223_ts *ts = input_get_drvdata(dev); + + enable_irq(ts->client->irq); + + return 0; +} + +static void zet6223_stop(struct input_dev *dev) +{ + struct zet6223_ts *ts = input_get_drvdata(dev); + + disable_irq(ts->client->irq); +} + +static irqreturn_t zet6223_irq(int irq, void *dev_id) +{ + struct zet6223_ts *ts = dev_id; + u16 finger_bits; + + /* + * First 3 bytes are an identifier, two bytes of finger data. + * X, Y data per finger is 4 bytes. + */ + u8 bufsize = 3 + 4 * ts->fingernum; + u8 buf[ZET6223_MAX_PKT_SIZE]; + int i; + int ret; + int error; + + ret = i2c_master_recv(ts->client, buf, bufsize); + if (ret != bufsize) { + error = ret < 0 ? ret : -EIO; + dev_err_ratelimited(&ts->client->dev, + "Error reading input data: %d\n", error); + return IRQ_HANDLED; + } + + if (buf[0] != ZET6223_VALID_PACKET) + return IRQ_HANDLED; + + finger_bits = get_unaligned_be16(buf + 1); + for (i = 0; i < ts->fingernum; i++) { + if (!(finger_bits & BIT(15 - i))) + continue; + + input_mt_slot(ts->input, i); + input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, true); + input_event(ts->input, EV_ABS, ABS_MT_POSITION_X, + ((buf[i + 3] >> 4) << 8) + buf[i + 4]); + input_event(ts->input, EV_ABS, ABS_MT_POSITION_Y, + ((buf[i + 3] & 0xF) << 8) + buf[i + 5]); + } + + input_mt_sync_frame(ts->input); + input_sync(ts->input); + + return IRQ_HANDLED; +} + +static void zet6223_power_off(void *_ts) +{ + struct zet6223_ts *ts = _ts; + + regulator_bulk_disable(ARRAY_SIZE(ts->supplies), ts->supplies); +} + +static int zet6223_power_on(struct zet6223_ts *ts) +{ + struct device *dev = &ts->client->dev; + int error; + + ts->supplies[0].supply = "vio"; + ts->supplies[1].supply = "vcc"; + + error = devm_regulator_bulk_get(dev, ARRAY_SIZE(ts->supplies), + ts->supplies); + if (error) + return error; + + error = regulator_bulk_enable(ARRAY_SIZE(ts->supplies), ts->supplies); + if (error) + return error; + + msleep(ZET6223_POWER_ON_DELAY_MSEC); + + error = devm_add_action_or_reset(dev, zet6223_power_off, ts); + if (error) { + dev_err(dev, "failed to install poweroff action: %d\n", error); + return error; + } + + return 0; +} + +static int zet6223_query_device(struct zet6223_ts *ts) +{ + u8 buf[ZET6223_CMD_INFO_LENGTH]; + u8 cmd = ZET6223_CMD_INFO; + int ret; + int error; + + ret = i2c_master_send(ts->client, &cmd, sizeof(cmd)); + if (ret != sizeof(cmd)) { + error = ret < 0 ? ret : -EIO; + dev_err(&ts->client->dev, + "touchpanel info cmd failed: %d\n", error); + return error; + } + + ret = i2c_master_recv(ts->client, buf, sizeof(buf)); + if (ret != sizeof(buf)) { + error = ret < 0 ? ret : -EIO; + dev_err(&ts->client->dev, + "failed to retrieve touchpanel info: %d\n", error); + return error; + } + + ts->fingernum = buf[15] & 0x7F; + if (ts->fingernum > ZET6223_MAX_FINGERS) { + dev_warn(&ts->client->dev, + "touchpanel reports %d fingers, limiting to %d\n", + ts->fingernum, ZET6223_MAX_FINGERS); + ts->fingernum = ZET6223_MAX_FINGERS; + } + + ts->max_x = get_unaligned_le16(&buf[8]); + ts->max_y = get_unaligned_le16(&buf[10]); + + return 0; +} + +static int zet6223_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct device *dev = &client->dev; + struct zet6223_ts *ts; + struct input_dev *input; + int error; + + if (!client->irq) { + dev_err(dev, "no irq specified\n"); + return -EINVAL; + } + + ts = devm_kzalloc(dev, sizeof(*ts), GFP_KERNEL); + if (!ts) + return -ENOMEM; + + ts->client = client; + + error = zet6223_power_on(ts); + if (error) + return error; + + error = zet6223_query_device(ts); + if (error) + return error; + + ts->input = input = devm_input_allocate_device(dev); + if (!input) + return -ENOMEM; + + input_set_drvdata(input, ts); + + input->name = client->name; + input->id.bustype = BUS_I2C; + input->open = zet6223_start; + input->close = zet6223_stop; + + input_set_abs_params(input, ABS_MT_POSITION_X, 0, ts->max_x, 0, 0); + input_set_abs_params(input, ABS_MT_POSITION_Y, 0, ts->max_y, 0, 0); + + touchscreen_parse_properties(input, true, &ts->prop); + + error = input_mt_init_slots(input, ts->fingernum, + INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED); + if (error) + return error; + + error = devm_request_threaded_irq(dev, client->irq, NULL, zet6223_irq, + IRQF_ONESHOT, client->name, ts); + if (error) { + dev_err(dev, "failed to request irq %d: %d\n", + client->irq, error); + return error; + } + + zet6223_stop(input); + + error = input_register_device(input); + if (error) + return error; + + return 0; +} + +static const struct of_device_id zet6223_of_match[] = { + { .compatible = "zeitec,zet6223" }, + { } +}; +MODULE_DEVICE_TABLE(of, zet6223_of_match); + +static const struct i2c_device_id zet6223_id[] = { + { "zet6223", 0}, + { } +}; +MODULE_DEVICE_TABLE(i2c, zet6223_id); + +static struct i2c_driver zet6223_driver = { + .driver = { + .name = "zet6223", + .of_match_table = zet6223_of_match, + }, + .probe = zet6223_probe, + .id_table = zet6223_id +}; +module_i2c_driver(zet6223_driver); + +MODULE_AUTHOR("Jelle van der Waa <jelle@vdwaa.nl>"); +MODULE_DESCRIPTION("ZEITEC zet622x I2C touchscreen driver"); +MODULE_LICENSE("GPL"); |