diff --git a/Documentation/devicetree/bindings/input/gpio-keys.txt b/Documentation/devicetree/bindings/input/gpio-keys.txt index 21641236c095..a94940481e55 100644 --- a/Documentation/devicetree/bindings/input/gpio-keys.txt +++ b/Documentation/devicetree/bindings/input/gpio-keys.txt @@ -32,17 +32,17 @@ Optional subnode-properties: Example nodes: - gpio_keys { + gpio-keys { compatible = "gpio-keys"; - #address-cells = <1>; - #size-cells = <0>; autorepeat; - button@21 { + + up { label = "GPIO Key UP"; linux,code = <103>; gpios = <&gpio1 0 1>; }; - button@22 { + + down { label = "GPIO Key DOWN"; linux,code = <108>; interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; diff --git a/Documentation/devicetree/bindings/input/touchscreen/brcm,iproc-touchscreen.txt b/Documentation/devicetree/bindings/input/touchscreen/brcm,iproc-touchscreen.txt index 34e3382a0659..ac5dff412e25 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/brcm,iproc-touchscreen.txt +++ b/Documentation/devicetree/bindings/input/touchscreen/brcm,iproc-touchscreen.txt @@ -2,11 +2,17 @@ Required properties: - compatible: must be "brcm,iproc-touchscreen" -- reg: physical base address of the controller and length of memory mapped - region. +- ts_syscon: handler of syscon node defining physical base + address of the controller and length of memory mapped region. + If this property is selected please make sure MFD_SYSCON config + is enabled in the defconfig file. - clocks: The clock provided by the SOC to driver the tsc -- clock-name: name for the clock +- clock-names: name for the clock - interrupts: The touchscreen controller's interrupt +- address-cells: Specify the number of u32 entries needed in child nodes. + Should set to 1. +- size-cells: Specify number of u32 entries needed to specify child nodes size + in reg property. Should set to 1. Optional properties: - scanning_period: Time between scans. Each step is 1024 us. Valid 1-256. @@ -53,13 +59,18 @@ Optional properties: - touchscreen-inverted-x: X axis is inverted (boolean) - touchscreen-inverted-y: Y axis is inverted (boolean) -Example: +Example: An example of touchscreen node - touchscreen: tsc@0x180A6000 { + ts_adc_syscon: ts_adc_syscon@180a6000 { + compatible = "brcm,iproc-ts-adc-syscon","syscon"; + reg = <0x180a6000 0xc30>; + }; + + touchscreen: touchscreen@180A6000 { compatible = "brcm,iproc-touchscreen"; #address-cells = <1>; #size-cells = <1>; - reg = <0x180A6000 0x40>; + ts_syscon = <&ts_adc_syscon>; clocks = <&adc_clk>; clock-names = "tsc_clk"; interrupts = ; diff --git a/arch/arm/boot/dts/bcm-cygnus.dtsi b/arch/arm/boot/dts/bcm-cygnus.dtsi index 3878793364f0..b42fe5596b94 100644 --- a/arch/arm/boot/dts/bcm-cygnus.dtsi +++ b/arch/arm/boot/dts/bcm-cygnus.dtsi @@ -351,9 +351,16 @@ gpio_asiu: gpio@180a5000 { <&pinctrl 142 10 1>; }; - touchscreen: tsc@180a6000 { + ts_adc_syscon: ts_adc_syscon@180a6000 { + compatible = "brcm,iproc-ts-adc-syscon", "syscon"; + reg = <0x180a6000 0xc30>; + }; + + touchscreen: touchscreen@180a6000 { compatible = "brcm,iproc-touchscreen"; - reg = <0x180a6000 0x40>; + #address-cells = <1>; + #size-cells = <1>; + ts_syscon = <&ts_adc_syscon>; clocks = <&asiu_clks BCM_CYGNUS_ASIU_ADC_CLK>; clock-names = "tsc_clk"; interrupts = ; diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c index e0d72c8c01e4..146b26f665f6 100644 --- a/drivers/input/keyboard/omap-keypad.c +++ b/drivers/input/keyboard/omap-keypad.c @@ -64,31 +64,6 @@ static DECLARE_TASKLET_DISABLED(kp_tasklet, omap_kp_tasklet, 0); static unsigned int *row_gpios; static unsigned int *col_gpios; -#ifdef CONFIG_ARCH_OMAP2 -static void set_col_gpio_val(struct omap_kp *omap_kp, u8 value) -{ - int col; - - for (col = 0; col < omap_kp->cols; col++) - gpio_set_value(col_gpios[col], value & (1 << col)); -} - -static u8 get_row_gpio_val(struct omap_kp *omap_kp) -{ - int row; - u8 value = 0; - - for (row = 0; row < omap_kp->rows; row++) { - if (gpio_get_value(row_gpios[row])) - value |= (1 << row); - } - return value; -} -#else -#define set_col_gpio_val(x, y) do {} while (0) -#define get_row_gpio_val(x) 0 -#endif - static irqreturn_t omap_kp_interrupt(int irq, void *dev_id) { /* disable keyboard interrupt and schedule for handling */ @@ -133,7 +108,6 @@ static void omap_kp_tasklet(unsigned long data) unsigned int row_shift = get_count_order(omap_kp_data->cols); unsigned char new_state[8], changed, key_down = 0; int col, row; - int spurious = 0; /* check for any changes */ omap_kp_scan_keypad(omap_kp_data, new_state); @@ -170,12 +144,9 @@ static void omap_kp_tasklet(unsigned long data) memcpy(keypad_state, new_state, sizeof(keypad_state)); if (key_down) { - int delay = HZ / 20; /* some key is pressed - keep irq disabled and use timer * to poll the keypad */ - if (spurious) - delay = 2 * HZ; - mod_timer(&omap_kp_data->timer, jiffies + delay); + mod_timer(&omap_kp_data->timer, jiffies + HZ / 20); } else { /* enable interrupts */ omap_writew(0, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT); @@ -216,25 +187,6 @@ static ssize_t omap_kp_enable_store(struct device *dev, struct device_attribute static DEVICE_ATTR(enable, S_IRUGO | S_IWUSR, omap_kp_enable_show, omap_kp_enable_store); -#ifdef CONFIG_PM -static int omap_kp_suspend(struct platform_device *dev, pm_message_t state) -{ - /* Nothing yet */ - - return 0; -} - -static int omap_kp_resume(struct platform_device *dev) -{ - /* Nothing yet */ - - return 0; -} -#else -#define omap_kp_suspend NULL -#define omap_kp_resume NULL -#endif - static int omap_kp_probe(struct platform_device *pdev) { struct omap_kp *omap_kp; @@ -371,8 +323,6 @@ static int omap_kp_remove(struct platform_device *pdev) static struct platform_driver omap_kp_driver = { .probe = omap_kp_probe, .remove = omap_kp_remove, - .suspend = omap_kp_suspend, - .resume = omap_kp_resume, .driver = { .name = "omap-keypad", }, diff --git a/drivers/input/keyboard/twl4030_keypad.c b/drivers/input/keyboard/twl4030_keypad.c index bbcccd67247d..323a0fb575a4 100644 --- a/drivers/input/keyboard/twl4030_keypad.c +++ b/drivers/input/keyboard/twl4030_keypad.c @@ -61,9 +61,9 @@ struct twl4030_keypad { unsigned short keymap[TWL4030_KEYMAP_SIZE]; u16 kp_state[TWL4030_MAX_ROWS]; bool autorepeat; - unsigned n_rows; - unsigned n_cols; - unsigned irq; + unsigned int n_rows; + unsigned int n_cols; + unsigned int irq; struct device *dbg_dev; struct input_dev *input; @@ -110,7 +110,7 @@ struct twl4030_keypad { #define KEYP_CTRL_KBD_ON BIT(6) /* KEYP_DEB, KEYP_LONG_KEY, KEYP_TIMEOUT_x*/ -#define KEYP_PERIOD_US(t, prescale) ((t) / (31 << (prescale + 1)) - 1) +#define KEYP_PERIOD_US(t, prescale) ((t) / (31 << ((prescale) + 1)) - 1) /* KEYP_LK_PTV_REG Fields */ #define KEYP_LK_PTV_PTV_SHIFT 5 @@ -162,9 +162,10 @@ static int twl4030_kpwrite_u8(struct twl4030_keypad *kp, u8 data, u32 reg) static inline u16 twl4030_col_xlate(struct twl4030_keypad *kp, u8 col) { - /* If all bits in a row are active for all coloumns then + /* + * If all bits in a row are active for all columns then * we have that row line connected to gnd. Mark this - * key on as if it was on matrix position n_cols (ie + * key on as if it was on matrix position n_cols (i.e. * one higher than the size of the matrix). */ if (col == 0xFF) @@ -209,9 +210,9 @@ static void twl4030_kp_scan(struct twl4030_keypad *kp, bool release_all) u16 new_state[TWL4030_MAX_ROWS]; int col, row; - if (release_all) + if (release_all) { memset(new_state, 0, sizeof(new_state)); - else { + } else { /* check for any changes */ int ret = twl4030_read_kp_matrix_state(kp, new_state); @@ -262,8 +263,10 @@ static irqreturn_t do_kp_irq(int irq, void *_kp) /* Read & Clear TWL4030 pending interrupt */ ret = twl4030_kpread(kp, ®, KEYP_ISR1, 1); - /* Release all keys if I2C has gone bad or - * the KEYP has gone to idle state */ + /* + * Release all keys if I2C has gone bad or + * the KEYP has gone to idle state. + */ if (ret >= 0 && (reg & KEYP_IMR1_KP)) twl4030_kp_scan(kp, false); else @@ -283,7 +286,8 @@ static int twl4030_kp_program(struct twl4030_keypad *kp) if (twl4030_kpwrite_u8(kp, reg, KEYP_CTRL) < 0) return -EIO; - /* NOTE: we could use sih_setup() here to package keypad + /* + * NOTE: we could use sih_setup() here to package keypad * event sources as four different IRQs ... but we don't. */ @@ -312,7 +316,7 @@ static int twl4030_kp_program(struct twl4030_keypad *kp) /* * Enable Clear-on-Read; disable remembering events that fire - * after the IRQ but before our handler acks (reads) them, + * after the IRQ but before our handler acks (reads) them. */ reg = TWL4030_SIH_CTRL_COR_MASK | TWL4030_SIH_CTRL_PENDDIS_MASK; if (twl4030_kpwrite_u8(kp, reg, KEYP_SIH_CTRL) < 0) diff --git a/drivers/input/misc/cm109.c b/drivers/input/misc/cm109.c index 9365535ba7f1..9cc6d057c302 100644 --- a/drivers/input/misc/cm109.c +++ b/drivers/input/misc/cm109.c @@ -76,8 +76,8 @@ enum { BUZZER_ON = 1 << 5, - /* up to 256 normal keys, up to 16 special keys */ - KEYMAP_SIZE = 256 + 16, + /* up to 256 normal keys, up to 15 special key combinations */ + KEYMAP_SIZE = 256 + 15, }; /* CM109 protocol packet */ @@ -139,7 +139,7 @@ static unsigned short special_keymap(int code) { if (code > 0xff) { switch (code - 0xff) { - case RECORD_MUTE: return KEY_MUTE; + case RECORD_MUTE: return KEY_MICMUTE; case PLAYBACK_MUTE: return KEY_MUTE; case VOLUME_DOWN: return KEY_VOLUMEDOWN; case VOLUME_UP: return KEY_VOLUMEUP; @@ -312,6 +312,32 @@ static void report_key(struct cm109_dev *dev, int key) input_sync(idev); } +/* + * Converts data of special key presses (volume, mute) into events + * for the input subsystem, sends press-n-release for mute keys. + */ +static void cm109_report_special(struct cm109_dev *dev) +{ + static const u8 autorelease = RECORD_MUTE | PLAYBACK_MUTE; + struct input_dev *idev = dev->idev; + u8 data = dev->irq_data->byte[HID_IR0]; + unsigned short keycode; + int i; + + for (i = 0; i < 4; i++) { + keycode = dev->keymap[0xff + BIT(i)]; + if (keycode == KEY_RESERVED) + continue; + + input_report_key(idev, keycode, data & BIT(i)); + if (data & autorelease & BIT(i)) { + input_sync(idev); + input_report_key(idev, keycode, 0); + } + } + input_sync(idev); +} + /****************************************************************************** * CM109 usb communication interface *****************************************************************************/ @@ -340,6 +366,7 @@ static void cm109_urb_irq_callback(struct urb *urb) struct cm109_dev *dev = urb->context; const int status = urb->status; int error; + unsigned long flags; dev_dbg(&dev->intf->dev, "### URB IRQ: [0x%02x 0x%02x 0x%02x 0x%02x] keybit=0x%02x\n", dev->irq_data->byte[0], @@ -357,10 +384,7 @@ static void cm109_urb_irq_callback(struct urb *urb) } /* Special keys */ - if (dev->irq_data->byte[HID_IR0] & 0x0f) { - const int code = (dev->irq_data->byte[HID_IR0] & 0x0f); - report_key(dev, dev->keymap[0xff + code]); - } + cm109_report_special(dev); /* Scan key column */ if (dev->keybit == 0xf) { @@ -381,7 +405,7 @@ static void cm109_urb_irq_callback(struct urb *urb) out: - spin_lock(&dev->ctl_submit_lock); + spin_lock_irqsave(&dev->ctl_submit_lock, flags); dev->irq_urb_pending = 0; @@ -405,7 +429,7 @@ static void cm109_urb_irq_callback(struct urb *urb) __func__, error); } - spin_unlock(&dev->ctl_submit_lock); + spin_unlock_irqrestore(&dev->ctl_submit_lock, flags); } static void cm109_urb_ctl_callback(struct urb *urb) @@ -413,6 +437,7 @@ static void cm109_urb_ctl_callback(struct urb *urb) struct cm109_dev *dev = urb->context; const int status = urb->status; int error; + unsigned long flags; dev_dbg(&dev->intf->dev, "### URB CTL: [0x%02x 0x%02x 0x%02x 0x%02x]\n", dev->ctl_data->byte[0], @@ -427,7 +452,7 @@ static void cm109_urb_ctl_callback(struct urb *urb) __func__, status); } - spin_lock(&dev->ctl_submit_lock); + spin_lock_irqsave(&dev->ctl_submit_lock, flags); dev->ctl_urb_pending = 0; @@ -448,7 +473,7 @@ static void cm109_urb_ctl_callback(struct urb *urb) } } - spin_unlock(&dev->ctl_submit_lock); + spin_unlock_irqrestore(&dev->ctl_submit_lock, flags); } static void cm109_toggle_buzzer_async(struct cm109_dev *dev) diff --git a/drivers/input/misc/rotary_encoder.c b/drivers/input/misc/rotary_encoder.c index 96c486de49e0..c7fc8d4fb080 100644 --- a/drivers/input/misc/rotary_encoder.c +++ b/drivers/input/misc/rotary_encoder.c @@ -47,13 +47,13 @@ struct rotary_encoder { bool armed; signed char dir; /* 1 - clockwise, -1 - CCW */ - unsigned last_stable; + unsigned int last_stable; }; -static unsigned rotary_encoder_get_state(struct rotary_encoder *encoder) +static unsigned int rotary_encoder_get_state(struct rotary_encoder *encoder) { int i; - unsigned ret = 0; + unsigned int ret = 0; for (i = 0; i < encoder->gpios->ndescs; ++i) { int val = gpiod_get_value_cansleep(encoder->gpios->desc[i]); @@ -100,7 +100,7 @@ static void rotary_encoder_report_event(struct rotary_encoder *encoder) static irqreturn_t rotary_encoder_irq(int irq, void *dev_id) { struct rotary_encoder *encoder = dev_id; - unsigned state; + unsigned int state; mutex_lock(&encoder->access_mutex); diff --git a/drivers/input/misc/twl6040-vibra.c b/drivers/input/misc/twl6040-vibra.c index 42de34b92996..5690eb7ff954 100644 --- a/drivers/input/misc/twl6040-vibra.c +++ b/drivers/input/misc/twl6040-vibra.c @@ -46,7 +46,7 @@ struct vibra_info { struct device *dev; struct input_dev *input_dev; struct work_struct play_work; - struct mutex mutex; + int irq; bool enabled; @@ -190,8 +190,6 @@ static void vibra_play_work(struct work_struct *work) return; } - mutex_lock(&info->mutex); - if (info->weak_speed || info->strong_speed) { if (!info->enabled) twl6040_vibra_enable(info); @@ -200,7 +198,6 @@ static void vibra_play_work(struct work_struct *work) } else if (info->enabled) twl6040_vibra_disable(info); - mutex_unlock(&info->mutex); } static int vibra_play(struct input_dev *input, void *data, @@ -223,12 +220,8 @@ static void twl6040_vibra_close(struct input_dev *input) cancel_work_sync(&info->play_work); - mutex_lock(&info->mutex); - if (info->enabled) twl6040_vibra_disable(info); - - mutex_unlock(&info->mutex); } static int __maybe_unused twl6040_vibra_suspend(struct device *dev) @@ -236,13 +229,11 @@ static int __maybe_unused twl6040_vibra_suspend(struct device *dev) struct platform_device *pdev = to_platform_device(dev); struct vibra_info *info = platform_get_drvdata(pdev); - mutex_lock(&info->mutex); + cancel_work_sync(&info->play_work); if (info->enabled) twl6040_vibra_disable(info); - mutex_unlock(&info->mutex); - return 0; } @@ -301,8 +292,6 @@ static int twl6040_vibra_probe(struct platform_device *pdev) return -EINVAL; } - mutex_init(&info->mutex); - error = devm_request_threaded_irq(&pdev->dev, info->irq, NULL, twl6040_vib_irq_handler, IRQF_ONESHOT, diff --git a/drivers/input/mouse/byd.c b/drivers/input/mouse/byd.c index e583f8b50454..b27aa637f877 100644 --- a/drivers/input/mouse/byd.c +++ b/drivers/input/mouse/byd.c @@ -478,7 +478,6 @@ int byd_init(struct psmouse *psmouse) if (!priv) return -ENOMEM; - memset(priv, 0, sizeof(*priv)); setup_timer(&priv->timer, byd_clear_touch, (unsigned long) psmouse); psmouse->private = priv; diff --git a/drivers/input/tablet/acecad.c b/drivers/input/tablet/acecad.c index 889f6b77e8cb..e86e377a90f5 100644 --- a/drivers/input/tablet/acecad.c +++ b/drivers/input/tablet/acecad.c @@ -49,7 +49,6 @@ MODULE_LICENSE(DRIVER_LICENSE); struct usb_acecad { char name[128]; char phys[64]; - struct usb_device *usbdev; struct usb_interface *intf; struct input_dev *input; struct urb *irq; @@ -64,6 +63,7 @@ static void usb_acecad_irq(struct urb *urb) unsigned char *data = acecad->data; struct input_dev *dev = acecad->input; struct usb_interface *intf = acecad->intf; + struct usb_device *udev = interface_to_usbdev(intf); int prox, status; switch (urb->status) { @@ -110,15 +110,15 @@ static void usb_acecad_irq(struct urb *urb) if (status) dev_err(&intf->dev, "can't resubmit intr, %s-%s/input0, status %d\n", - acecad->usbdev->bus->bus_name, - acecad->usbdev->devpath, status); + udev->bus->bus_name, + udev->devpath, status); } static int usb_acecad_open(struct input_dev *dev) { struct usb_acecad *acecad = input_get_drvdata(dev); - acecad->irq->dev = acecad->usbdev; + acecad->irq->dev = interface_to_usbdev(acecad->intf); if (usb_submit_urb(acecad->irq, GFP_KERNEL)) return -EIO; @@ -172,7 +172,6 @@ static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_ goto fail2; } - acecad->usbdev = dev; acecad->intf = intf; acecad->input = input_dev; @@ -251,12 +250,13 @@ static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_ static void usb_acecad_disconnect(struct usb_interface *intf) { struct usb_acecad *acecad = usb_get_intfdata(intf); + struct usb_device *udev = interface_to_usbdev(intf); usb_set_intfdata(intf, NULL); input_unregister_device(acecad->input); usb_free_urb(acecad->irq); - usb_free_coherent(acecad->usbdev, 8, acecad->data, acecad->data_dma); + usb_free_coherent(udev, 8, acecad->data, acecad->data_dma); kfree(acecad); } diff --git a/drivers/input/tablet/aiptek.c b/drivers/input/tablet/aiptek.c index 78ca44840d60..4613f0aefd08 100644 --- a/drivers/input/tablet/aiptek.c +++ b/drivers/input/tablet/aiptek.c @@ -307,7 +307,6 @@ struct aiptek_settings { struct aiptek { struct input_dev *inputdev; /* input device struct */ - struct usb_device *usbdev; /* usb device struct */ struct usb_interface *intf; /* usb interface struct */ struct urb *urb; /* urb for incoming reports */ dma_addr_t data_dma; /* our dma stuffage */ @@ -847,7 +846,7 @@ static int aiptek_open(struct input_dev *inputdev) { struct aiptek *aiptek = input_get_drvdata(inputdev); - aiptek->urb->dev = aiptek->usbdev; + aiptek->urb->dev = interface_to_usbdev(aiptek->intf); if (usb_submit_urb(aiptek->urb, GFP_KERNEL) != 0) return -EIO; @@ -873,8 +872,10 @@ aiptek_set_report(struct aiptek *aiptek, unsigned char report_type, unsigned char report_id, void *buffer, int size) { - return usb_control_msg(aiptek->usbdev, - usb_sndctrlpipe(aiptek->usbdev, 0), + struct usb_device *udev = interface_to_usbdev(aiptek->intf); + + return usb_control_msg(udev, + usb_sndctrlpipe(udev, 0), USB_REQ_SET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, (report_type << 8) + report_id, @@ -886,8 +887,10 @@ aiptek_get_report(struct aiptek *aiptek, unsigned char report_type, unsigned char report_id, void *buffer, int size) { - return usb_control_msg(aiptek->usbdev, - usb_rcvctrlpipe(aiptek->usbdev, 0), + struct usb_device *udev = interface_to_usbdev(aiptek->intf); + + return usb_control_msg(udev, + usb_rcvctrlpipe(udev, 0), USB_REQ_GET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, (report_type << 8) + report_id, @@ -1729,7 +1732,6 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id) } aiptek->inputdev = inputdev; - aiptek->usbdev = usbdev; aiptek->intf = intf; aiptek->ifnum = intf->altsetting[0].desc.bInterfaceNumber; aiptek->inDelay = 0; @@ -1833,8 +1835,8 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id) * input. */ usb_fill_int_urb(aiptek->urb, - aiptek->usbdev, - usb_rcvintpipe(aiptek->usbdev, + usbdev, + usb_rcvintpipe(usbdev, endpoint->bEndpointAddress), aiptek->data, 8, aiptek_irq, aiptek, endpoint->bInterval); diff --git a/drivers/input/tablet/gtco.c b/drivers/input/tablet/gtco.c index 7c18249d6c8e..abf09ac42ce4 100644 --- a/drivers/input/tablet/gtco.c +++ b/drivers/input/tablet/gtco.c @@ -104,7 +104,6 @@ MODULE_DEVICE_TABLE (usb, gtco_usbid_table); struct gtco { struct input_dev *inputdevice; /* input device struct pointer */ - struct usb_device *usbdev; /* the usb device for this device */ struct usb_interface *intf; /* the usb interface for this device */ struct urb *urbinfo; /* urb for incoming reports */ dma_addr_t buf_dma; /* dma addr of the data buffer*/ @@ -540,7 +539,7 @@ static int gtco_input_open(struct input_dev *inputdev) { struct gtco *device = input_get_drvdata(inputdev); - device->urbinfo->dev = device->usbdev; + device->urbinfo->dev = interface_to_usbdev(device->intf); if (usb_submit_urb(device->urbinfo, GFP_KERNEL)) return -EIO; @@ -824,6 +823,7 @@ static int gtco_probe(struct usb_interface *usbinterface, int result = 0, retry; int error; struct usb_endpoint_descriptor *endpoint; + struct usb_device *udev = interface_to_usbdev(usbinterface); /* Allocate memory for device structure */ gtco = kzalloc(sizeof(struct gtco), GFP_KERNEL); @@ -838,11 +838,10 @@ static int gtco_probe(struct usb_interface *usbinterface, gtco->inputdevice = input_dev; /* Save interface information */ - gtco->usbdev = interface_to_usbdev(usbinterface); gtco->intf = usbinterface; /* Allocate some data for incoming reports */ - gtco->buffer = usb_alloc_coherent(gtco->usbdev, REPORT_MAX_SIZE, + gtco->buffer = usb_alloc_coherent(udev, REPORT_MAX_SIZE, GFP_KERNEL, >co->buf_dma); if (!gtco->buffer) { dev_err(&usbinterface->dev, "No more memory for us buffers\n"); @@ -907,8 +906,8 @@ static int gtco_probe(struct usb_interface *usbinterface, /* Couple of tries to get reply */ for (retry = 0; retry < 3; retry++) { - result = usb_control_msg(gtco->usbdev, - usb_rcvctrlpipe(gtco->usbdev, 0), + result = usb_control_msg(udev, + usb_rcvctrlpipe(udev, 0), USB_REQ_GET_DESCRIPTOR, USB_RECIP_INTERFACE | USB_DIR_IN, REPORT_DEVICE_TYPE << 8, @@ -936,7 +935,7 @@ static int gtco_probe(struct usb_interface *usbinterface, } /* Create a device file node */ - usb_make_path(gtco->usbdev, gtco->usbpath, sizeof(gtco->usbpath)); + usb_make_path(udev, gtco->usbpath, sizeof(gtco->usbpath)); strlcat(gtco->usbpath, "/input0", sizeof(gtco->usbpath)); /* Set Input device functions */ @@ -953,15 +952,15 @@ static int gtco_probe(struct usb_interface *usbinterface, gtco_setup_caps(input_dev); /* Set input device required ID information */ - usb_to_input_id(gtco->usbdev, &input_dev->id); + usb_to_input_id(udev, &input_dev->id); input_dev->dev.parent = &usbinterface->dev; /* Setup the URB, it will be posted later on open of input device */ endpoint = &usbinterface->altsetting[0].endpoint[0].desc; usb_fill_int_urb(gtco->urbinfo, - gtco->usbdev, - usb_rcvintpipe(gtco->usbdev, + udev, + usb_rcvintpipe(udev, endpoint->bEndpointAddress), gtco->buffer, REPORT_MAX_SIZE, @@ -985,7 +984,7 @@ static int gtco_probe(struct usb_interface *usbinterface, err_free_urb: usb_free_urb(gtco->urbinfo); err_free_buf: - usb_free_coherent(gtco->usbdev, REPORT_MAX_SIZE, + usb_free_coherent(udev, REPORT_MAX_SIZE, gtco->buffer, gtco->buf_dma); err_free_devs: input_free_device(input_dev); @@ -1002,13 +1001,14 @@ static void gtco_disconnect(struct usb_interface *interface) { /* Grab private device ptr */ struct gtco *gtco = usb_get_intfdata(interface); + struct usb_device *udev = interface_to_usbdev(interface); /* Now reverse all the registration stuff */ if (gtco) { input_unregister_device(gtco->inputdevice); usb_kill_urb(gtco->urbinfo); usb_free_urb(gtco->urbinfo); - usb_free_coherent(gtco->usbdev, REPORT_MAX_SIZE, + usb_free_coherent(udev, REPORT_MAX_SIZE, gtco->buffer, gtco->buf_dma); kfree(gtco); } diff --git a/drivers/input/tablet/kbtab.c b/drivers/input/tablet/kbtab.c index d2ac7c2b5b82..e850d7e8afbc 100644 --- a/drivers/input/tablet/kbtab.c +++ b/drivers/input/tablet/kbtab.c @@ -31,7 +31,6 @@ struct kbtab { unsigned char *data; dma_addr_t data_dma; struct input_dev *dev; - struct usb_device *usbdev; struct usb_interface *intf; struct urb *irq; char phys[32]; @@ -99,8 +98,9 @@ MODULE_DEVICE_TABLE(usb, kbtab_ids); static int kbtab_open(struct input_dev *dev) { struct kbtab *kbtab = input_get_drvdata(dev); + struct usb_device *udev = interface_to_usbdev(kbtab->intf); - kbtab->irq->dev = kbtab->usbdev; + kbtab->irq->dev = udev; if (usb_submit_urb(kbtab->irq, GFP_KERNEL)) return -EIO; @@ -135,7 +135,6 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i if (!kbtab->irq) goto fail2; - kbtab->usbdev = dev; kbtab->intf = intf; kbtab->dev = input_dev; @@ -188,12 +187,13 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i static void kbtab_disconnect(struct usb_interface *intf) { struct kbtab *kbtab = usb_get_intfdata(intf); + struct usb_device *udev = interface_to_usbdev(intf); usb_set_intfdata(intf, NULL); input_unregister_device(kbtab->dev); usb_free_urb(kbtab->irq); - usb_free_coherent(kbtab->usbdev, 8, kbtab->data, kbtab->data_dma); + usb_free_coherent(udev, 8, kbtab->data, kbtab->data_dma); kfree(kbtab); } diff --git a/drivers/input/touchscreen/bcm_iproc_tsc.c b/drivers/input/touchscreen/bcm_iproc_tsc.c index ae460a5c93d5..4d11b27c7c43 100644 --- a/drivers/input/touchscreen/bcm_iproc_tsc.c +++ b/drivers/input/touchscreen/bcm_iproc_tsc.c @@ -23,6 +23,8 @@ #include #include #include +#include +#include #define IPROC_TS_NAME "iproc-ts" @@ -88,7 +90,11 @@ #define TS_WIRE_MODE_BIT BIT(1) #define dbg_reg(dev, priv, reg) \ - dev_dbg(dev, "%20s= 0x%08x\n", #reg, readl((priv)->regs + reg)) +do { \ + u32 val; \ + regmap_read(priv->regmap, reg, &val); \ + dev_dbg(dev, "%20s= 0x%08x\n", #reg, val); \ +} while (0) struct tsc_param { /* Each step is 1024 us. Valid 1-256 */ @@ -141,7 +147,7 @@ struct iproc_ts_priv { struct platform_device *pdev; struct input_dev *idev; - void __iomem *regs; + struct regmap *regmap; struct clk *tsc_clk; int pen_status; @@ -196,22 +202,22 @@ static irqreturn_t iproc_touchscreen_interrupt(int irq, void *data) int i; bool needs_sync = false; - intr_status = readl(priv->regs + INTERRUPT_STATUS); + regmap_read(priv->regmap, INTERRUPT_STATUS, &intr_status); intr_status &= TS_PEN_INTR_MASK | TS_FIFO_INTR_MASK; if (intr_status == 0) return IRQ_NONE; /* Clear all interrupt status bits, write-1-clear */ - writel(intr_status, priv->regs + INTERRUPT_STATUS); - + regmap_write(priv->regmap, INTERRUPT_STATUS, intr_status); /* Pen up/down */ if (intr_status & TS_PEN_INTR_MASK) { - if (readl(priv->regs + CONTROLLER_STATUS) & TS_PEN_DOWN) + regmap_read(priv->regmap, CONTROLLER_STATUS, &priv->pen_status); + if (priv->pen_status & TS_PEN_DOWN) priv->pen_status = PEN_DOWN_STATUS; else priv->pen_status = PEN_UP_STATUS; - input_report_key(priv->idev, BTN_TOUCH, priv->pen_status); + input_report_key(priv->idev, BTN_TOUCH, priv->pen_status); needs_sync = true; dev_dbg(&priv->pdev->dev, @@ -221,7 +227,7 @@ static irqreturn_t iproc_touchscreen_interrupt(int irq, void *data) /* coordinates in FIFO exceed the theshold */ if (intr_status & TS_FIFO_INTR_MASK) { for (i = 0; i < priv->cfg_params.fifo_threshold; i++) { - raw_coordinate = readl(priv->regs + FIFO_DATA); + regmap_read(priv->regmap, FIFO_DATA, &raw_coordinate); if (raw_coordinate == INVALID_COORD) continue; @@ -239,7 +245,7 @@ static irqreturn_t iproc_touchscreen_interrupt(int irq, void *data) x = (x >> 4) & 0x0FFF; y = (y >> 4) & 0x0FFF; - /* adjust x y according to lcd tsc mount angle */ + /* Adjust x y according to LCD tsc mount angle. */ if (priv->cfg_params.invert_x) x = priv->cfg_params.max_x - x; @@ -262,9 +268,10 @@ static irqreturn_t iproc_touchscreen_interrupt(int irq, void *data) static int iproc_ts_start(struct input_dev *idev) { - struct iproc_ts_priv *priv = input_get_drvdata(idev); u32 val; + u32 mask; int error; + struct iproc_ts_priv *priv = input_get_drvdata(idev); /* Enable clock */ error = clk_prepare_enable(priv->tsc_clk); @@ -279,9 +286,10 @@ static int iproc_ts_start(struct input_dev *idev) * FIFO reaches the int_th value, and pen event(up/down) */ val = TS_PEN_INTR_MASK | TS_FIFO_INTR_MASK; - writel(val, priv->regs + INTERRUPT_MASK); + regmap_update_bits(priv->regmap, INTERRUPT_MASK, val, val); - writel(priv->cfg_params.fifo_threshold, priv->regs + INTERRUPT_THRES); + val = priv->cfg_params.fifo_threshold; + regmap_write(priv->regmap, INTERRUPT_THRES, val); /* Initialize control reg1 */ val = 0; @@ -289,26 +297,23 @@ static int iproc_ts_start(struct input_dev *idev) val |= priv->cfg_params.debounce_timeout << DEBOUNCE_TIMEOUT_SHIFT; val |= priv->cfg_params.settling_timeout << SETTLING_TIMEOUT_SHIFT; val |= priv->cfg_params.touch_timeout << TOUCH_TIMEOUT_SHIFT; - writel(val, priv->regs + REGCTL1); + regmap_write(priv->regmap, REGCTL1, val); /* Try to clear all interrupt status */ - val = readl(priv->regs + INTERRUPT_STATUS); - val |= TS_FIFO_INTR_MASK | TS_PEN_INTR_MASK; - writel(val, priv->regs + INTERRUPT_STATUS); + val = TS_FIFO_INTR_MASK | TS_PEN_INTR_MASK; + regmap_update_bits(priv->regmap, INTERRUPT_STATUS, val, val); /* Initialize control reg2 */ - val = readl(priv->regs + REGCTL2); - val |= TS_CONTROLLER_EN_BIT | TS_WIRE_MODE_BIT; - - val &= ~TS_CONTROLLER_AVGDATA_MASK; + val = TS_CONTROLLER_EN_BIT | TS_WIRE_MODE_BIT; val |= priv->cfg_params.average_data << TS_CONTROLLER_AVGDATA_SHIFT; - val &= ~(TS_CONTROLLER_PWR_LDO | /* PWR up LDO */ + mask = (TS_CONTROLLER_AVGDATA_MASK); + mask |= (TS_CONTROLLER_PWR_LDO | /* PWR up LDO */ TS_CONTROLLER_PWR_ADC | /* PWR up ADC */ TS_CONTROLLER_PWR_BGP | /* PWR up BGP */ TS_CONTROLLER_PWR_TS); /* PWR up TS */ - - writel(val, priv->regs + REGCTL2); + mask |= val; + regmap_update_bits(priv->regmap, REGCTL2, mask, val); ts_reg_dump(priv); @@ -320,12 +325,17 @@ static void iproc_ts_stop(struct input_dev *dev) u32 val; struct iproc_ts_priv *priv = input_get_drvdata(dev); - writel(0, priv->regs + INTERRUPT_MASK); /* Disable all interrupts */ + /* + * Disable FIFO int_th and pen event(up/down)Interrupts only + * as the interrupt mask register is shared between ADC, TS and + * flextimer. + */ + val = TS_PEN_INTR_MASK | TS_FIFO_INTR_MASK; + regmap_update_bits(priv->regmap, INTERRUPT_MASK, val, 0); /* Only power down touch screen controller */ - val = readl(priv->regs + REGCTL2); - val |= TS_CONTROLLER_PWR_TS; - writel(val, priv->regs + REGCTL2); + val = TS_CONTROLLER_PWR_TS; + regmap_update_bits(priv->regmap, REGCTL2, val, val); clk_disable(priv->tsc_clk); } @@ -414,7 +424,6 @@ static int iproc_ts_probe(struct platform_device *pdev) { struct iproc_ts_priv *priv; struct input_dev *idev; - struct resource *res; int irq; int error; @@ -422,12 +431,12 @@ static int iproc_ts_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; - /* touchscreen controller memory mapped regs */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - priv->regs = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(priv->regs)) { - error = PTR_ERR(priv->regs); - dev_err(&pdev->dev, "unable to map I/O memory: %d\n", error); + /* touchscreen controller memory mapped regs via syscon*/ + priv->regmap = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, + "ts_syscon"); + if (IS_ERR(priv->regmap)) { + error = PTR_ERR(priv->regmap); + dev_err(&pdev->dev, "unable to map I/O memory:%d\n", error); return error; } diff --git a/drivers/input/touchscreen/ti_am335x_tsc.c b/drivers/input/touchscreen/ti_am335x_tsc.c index a21a07c3ab6d..8b3f15ca7725 100644 --- a/drivers/input/touchscreen/ti_am335x_tsc.c +++ b/drivers/input/touchscreen/ti_am335x_tsc.c @@ -487,8 +487,7 @@ static int titsc_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM -static int titsc_suspend(struct device *dev) +static int __maybe_unused titsc_suspend(struct device *dev) { struct titsc *ts_dev = dev_get_drvdata(dev); struct ti_tscadc_dev *tscadc_dev; @@ -504,7 +503,7 @@ static int titsc_suspend(struct device *dev) return 0; } -static int titsc_resume(struct device *dev) +static int __maybe_unused titsc_resume(struct device *dev) { struct titsc *ts_dev = dev_get_drvdata(dev); struct ti_tscadc_dev *tscadc_dev; @@ -521,14 +520,7 @@ static int titsc_resume(struct device *dev) return 0; } -static const struct dev_pm_ops titsc_pm_ops = { - .suspend = titsc_suspend, - .resume = titsc_resume, -}; -#define TITSC_PM_OPS (&titsc_pm_ops) -#else -#define TITSC_PM_OPS NULL -#endif +static SIMPLE_DEV_PM_OPS(titsc_pm_ops, titsc_suspend, titsc_resume); static const struct of_device_id ti_tsc_dt_ids[] = { { .compatible = "ti,am3359-tsc", }, @@ -541,7 +533,7 @@ static struct platform_driver ti_tsc_driver = { .remove = titsc_remove, .driver = { .name = "TI-am335x-tsc", - .pm = TITSC_PM_OPS, + .pm = &titsc_pm_ops, .of_match_table = ti_tsc_dt_ids, }, };