diff options
author | Stephen Rothwell <sfr@canb.auug.org.au> | 2009-07-20 12:18:36 +1000 |
---|---|---|
committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2009-07-20 12:18:36 +1000 |
commit | 7f06e6a497a460ee1c74306eb0f0147d866ebb49 (patch) | |
tree | 0f5496deba2a5c5c01049a4452d58ced8738910e | |
parent | d38b4f93bae0039cf95889933e0766e0764818b7 (diff) | |
parent | b7788c5ff9e7676dc98ca6dce437ae16b79c6726 (diff) |
Merge commit 'input/next'
-rw-r--r-- | drivers/input/misc/cobalt_btns.c | 2 | ||||
-rw-r--r-- | drivers/input/misc/dm355evm_keys.c | 42 | ||||
-rw-r--r-- | drivers/input/serio/at32psif.c | 2 | ||||
-rw-r--r-- | drivers/input/touchscreen/Kconfig | 7 | ||||
-rw-r--r-- | drivers/input/touchscreen/atmel_tsadcc.c | 8 | ||||
-rw-r--r-- | drivers/input/touchscreen/ucb1400_ts.c | 5 | ||||
-rw-r--r-- | drivers/input/touchscreen/usbtouchscreen.c | 32 | ||||
-rw-r--r-- | drivers/input/touchscreen/w90p910_ts.c | 34 |
8 files changed, 85 insertions, 47 deletions
diff --git a/drivers/input/misc/cobalt_btns.c b/drivers/input/misc/cobalt_btns.c index d114d3a9e1e9..ee73d7219c92 100644 --- a/drivers/input/misc/cobalt_btns.c +++ b/drivers/input/misc/cobalt_btns.c @@ -116,7 +116,7 @@ static int __devinit cobalt_buttons_probe(struct platform_device *pdev) } bdev->poll_dev = poll_dev; - bdev->reg = ioremap(res->start, res->end - res->start + 1); + bdev->reg = ioremap(res->start, resource_size(res)); dev_set_drvdata(&pdev->dev, bdev); error = input_register_polled_device(poll_dev); diff --git a/drivers/input/misc/dm355evm_keys.c b/drivers/input/misc/dm355evm_keys.c index a63315ce4a6c..0918acae584a 100644 --- a/drivers/input/misc/dm355evm_keys.c +++ b/drivers/input/misc/dm355evm_keys.c @@ -23,30 +23,16 @@ * pressed, or its autorepeat kicks in, an event is sent. This driver * read those events from the small (32 event) queue and reports them. * - * Because we communicate with the MSP430 using I2C, and all I2C calls - * in Linux sleep, we need to cons up a kind of threaded IRQ handler - * using a work_struct. The IRQ is active low, but we use it through - * the GPIO controller so we can trigger on falling edges. - * * Note that physically there can only be one of these devices. * * This driver was tested with firmware revision A4. */ struct dm355evm_keys { - struct work_struct work; struct input_dev *input; struct device *dev; int irq; }; -static irqreturn_t dm355evm_keys_irq(int irq, void *_keys) -{ - struct dm355evm_keys *keys = _keys; - - schedule_work(&keys->work); - return IRQ_HANDLED; -} - /* These initial keycodes can be remapped by dm355evm_setkeycode(). */ static struct { u16 event; @@ -110,13 +96,12 @@ static struct { { 0x3169, KEY_PAUSE, }, }; -static void dm355evm_keys_work(struct work_struct *work) +/* runs in an IRQ thread -- can (and will!) sleep */ +static irqreturn_t dm355evm_keys_irq(int irq, void *_keys) { - struct dm355evm_keys *keys; + struct dm355evm_keys *keys = _keys; int status; - keys = container_of(work, struct dm355evm_keys, work); - /* For simplicity we ignore INPUT_COUNT and just read * events until we get the "queue empty" indicator. * Reading INPUT_LOW decrements the count. @@ -183,6 +168,19 @@ static void dm355evm_keys_work(struct work_struct *work) input_report_key(keys->input, keycode, 0); input_sync(keys->input); } + return IRQ_HANDLED; +} + +/* + * Because we communicate with the MSP430 using I2C, and all I2C calls + * in Linux sleep, we use a threaded IRQ handler. The IRQ itself is + * active low, but we go through the GPIO controller so we can trigger + * on falling edges and not worry about enabling/disabling the IRQ in + * the keypress handling path. + */ +static irqreturn_t dm355evm_keys_hardirq(int irq, void *_keys) +{ + return IRQ_WAKE_THREAD; } static int dm355evm_setkeycode(struct input_dev *dev, int index, int keycode) @@ -233,7 +231,6 @@ static int __devinit dm355evm_keys_probe(struct platform_device *pdev) keys->dev = &pdev->dev; keys->input = input; - INIT_WORK(&keys->work, dm355evm_keys_work); /* set up "threaded IRQ handler" */ status = platform_get_irq(pdev, 0); @@ -260,9 +257,10 @@ static int __devinit dm355evm_keys_probe(struct platform_device *pdev) /* REVISIT: flush the event queue? */ - status = request_irq(keys->irq, dm355evm_keys_irq, - IRQF_TRIGGER_FALLING, - dev_name(&pdev->dev), keys); + status = request_threaded_irq(keys->irq, + dm355evm_keys_hardirq, dm355evm_keys_irq, + IRQF_TRIGGER_FALLING, + dev_name(&pdev->dev), keys); if (status < 0) goto fail1; diff --git a/drivers/input/serio/at32psif.c b/drivers/input/serio/at32psif.c index 41fda8c67b1e..a6fb7a3dcc46 100644 --- a/drivers/input/serio/at32psif.c +++ b/drivers/input/serio/at32psif.c @@ -231,7 +231,7 @@ static int __init psif_probe(struct platform_device *pdev) goto out_free_io; } - psif->regs = ioremap(regs->start, regs->end - regs->start + 1); + psif->regs = ioremap(regs->start, resource_size(regs)); if (!psif->regs) { ret = -ENOMEM; dev_dbg(&pdev->dev, "could not map I/O memory\n"); diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index 72e2712c7e2a..1c05b3286d65 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -406,6 +406,7 @@ config TOUCHSCREEN_USB_COMPOSITE - IRTOUCHSYSTEMS/UNITOP - IdealTEK URTC1000 - GoTop Super_Q2/GogoPen/PenPower tablets + - JASTEC USB Touch Controller/DigiTech DTR-02U Have a look at <http://linux.chapter7.ch/touchkit/> for a usage description and the required user-space stuff. @@ -468,6 +469,11 @@ config TOUCHSCREEN_USB_GOTOP bool "GoTop Super_Q2/GogoPen/PenPower tablet device support" if EMBEDDED depends on TOUCHSCREEN_USB_COMPOSITE +config TOUCHSCREEN_USB_JASTEC + default y + bool "JASTEC/DigiTech DTR-02U USB touch controller device support" if EMBEDDED + depends on TOUCHSCREEN_USB_COMPOSITE + config TOUCHSCREEN_TOUCHIT213 tristate "Sahara TouchIT-213 touchscreen" select SERIO @@ -492,6 +498,7 @@ config TOUCHSCREEN_TSC2007 config TOUCHSCREEN_W90X900 tristate "W90P910 touchscreen driver" + depends on HAVE_CLK help Say Y here if you have a W90P910 based touchscreen. diff --git a/drivers/input/touchscreen/atmel_tsadcc.c b/drivers/input/touchscreen/atmel_tsadcc.c index 055969e8be13..9c7fce4d74d0 100644 --- a/drivers/input/touchscreen/atmel_tsadcc.c +++ b/drivers/input/touchscreen/atmel_tsadcc.c @@ -204,14 +204,14 @@ static int __devinit atmel_tsadcc_probe(struct platform_device *pdev) goto err_free_dev; } - if (!request_mem_region(res->start, res->end - res->start + 1, + if (!request_mem_region(res->start, resource_size(res), "atmel tsadcc regs")) { dev_err(&pdev->dev, "resources is unavailable.\n"); err = -EBUSY; goto err_free_dev; } - tsc_base = ioremap(res->start, res->end - res->start + 1); + tsc_base = ioremap(res->start, resource_size(res)); if (!tsc_base) { dev_err(&pdev->dev, "failed to map registers.\n"); err = -ENOMEM; @@ -286,7 +286,7 @@ err_free_irq: err_unmap_regs: iounmap(tsc_base); err_release_mem: - release_mem_region(res->start, res->end - res->start + 1); + release_mem_region(res->start, resource_size(res)); err_free_dev: input_free_device(ts_dev->input); err_free_mem: @@ -305,7 +305,7 @@ static int __devexit atmel_tsadcc_remove(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); iounmap(tsc_base); - release_mem_region(res->start, res->end - res->start + 1); + release_mem_region(res->start, resource_size(res)); clk_disable(ts_dev->clk); clk_put(ts_dev->clk); diff --git a/drivers/input/touchscreen/ucb1400_ts.c b/drivers/input/touchscreen/ucb1400_ts.c index 6954f5500108..e85483578bd4 100644 --- a/drivers/input/touchscreen/ucb1400_ts.c +++ b/drivers/input/touchscreen/ucb1400_ts.c @@ -128,9 +128,10 @@ static inline unsigned int ucb1400_ts_read_yres(struct ucb1400_ts *ucb) return ucb1400_adc_read(ucb->ac97, 0, adcsync); } -static inline int ucb1400_ts_pen_down(struct snd_ac97 *ac97) +static inline int ucb1400_ts_pen_up(struct snd_ac97 *ac97) { unsigned short val = ucb1400_reg_read(ac97, UCB_TS_CR); + return val & (UCB_TS_CR_TSPX_LOW | UCB_TS_CR_TSMX_LOW); } @@ -209,7 +210,7 @@ static int ucb1400_ts_thread(void *_ucb) msleep(10); - if (ucb1400_ts_pen_down(ucb->ac97)) { + if (ucb1400_ts_pen_up(ucb->ac97)) { ucb1400_ts_irq_enable(ucb->ac97); /* diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index fb7cb9bdfbd5..c07be07a69bb 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -13,6 +13,7 @@ * - IdealTEK URTC1000 * - General Touch * - GoTop Super_Q2/GogoPen/PenPower tablets + * - JASTEC USB touch controller/DigiTech DTR-02U * * Copyright (C) 2004-2007 by Daniel Ritz <daniel.ritz@gmx.ch> * Copyright (C) by Todd E. Johnson (mtouchusb.c) @@ -118,6 +119,7 @@ enum { DEVTYPE_IDEALTEK, DEVTYPE_GENERAL_TOUCH, DEVTYPE_GOTOP, + DEVTYPE_JASTEC, }; #define USB_DEVICE_HID_CLASS(vend, prod) \ @@ -191,6 +193,10 @@ static struct usb_device_id usbtouch_devices[] = { {USB_DEVICE(0x08f2, 0x00f4), .driver_info = DEVTYPE_GOTOP}, #endif +#ifdef CONFIG_TOUCHSCREEN_USB_JASTEC + {USB_DEVICE(0x0f92, 0x0001), .driver_info = DEVTYPE_JASTEC}, +#endif + {} }; @@ -559,6 +565,21 @@ static int gotop_read_data(struct usbtouch_usb *dev, unsigned char *pkt) dev->x = ((pkt[1] & 0x38) << 4) | pkt[2]; dev->y = ((pkt[1] & 0x07) << 7) | pkt[3]; dev->touch = pkt[0] & 0x01; + + return 1; +} +#endif + +/***************************************************************************** + * JASTEC Part + */ +#ifdef CONFIG_TOUCHSCREEN_USB_JASTEC +static int jastec_read_data(struct usbtouch_usb *dev, unsigned char *pkt) +{ + dev->x = ((pkt[0] & 0x3f) << 6) | (pkt[2] & 0x3f); + dev->y = ((pkt[1] & 0x3f) << 6) | (pkt[3] & 0x3f); + dev->touch = (pkt[0] & 0x40) >> 6; + return 1; } #endif @@ -702,6 +723,17 @@ static struct usbtouch_device_info usbtouch_dev_info[] = { .read_data = gotop_read_data, }, #endif + +#ifdef CONFIG_TOUCHSCREEN_USB_JASTEC + [DEVTYPE_JASTEC] = { + .min_xc = 0x0, + .max_xc = 0x0fff, + .min_yc = 0x0, + .max_yc = 0x0fff, + .rept_size = 4, + .read_data = jastec_read_data, + }, +#endif }; diff --git a/drivers/input/touchscreen/w90p910_ts.c b/drivers/input/touchscreen/w90p910_ts.c index 6071f5882572..dc4c9d6b67c7 100644 --- a/drivers/input/touchscreen/w90p910_ts.c +++ b/drivers/input/touchscreen/w90p910_ts.c @@ -13,6 +13,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/clk.h> #include <linux/input.h> #include <linux/interrupt.h> @@ -47,8 +48,8 @@ enum ts_state { struct w90p910_ts { struct input_dev *input; struct timer_list timer; + struct clk *clk; int irq_num; - void __iomem *clocken; void __iomem *ts_reg; spinlock_t lock; enum ts_state state; @@ -166,8 +167,7 @@ static int w90p910_open(struct input_dev *dev) unsigned long val; /* enable the ADC clock */ - val = __raw_readl(w90p910_ts->clocken); - __raw_writel(val | ADC_CLK_EN, w90p910_ts->clocken); + clk_enable(w90p910_ts->clk); __raw_writel(ADC_RST1, w90p910_ts->ts_reg); msleep(1); @@ -211,8 +211,7 @@ static void w90p910_close(struct input_dev *dev) del_timer_sync(&w90p910_ts->timer); /* stop the ADC clock */ - val = __raw_readl(w90p910_ts->clocken); - __raw_writel(val & ~ADC_CLK_EN, w90p910_ts->clocken); + clk_disable(w90p910_ts->clk); } static int __devinit w90x900ts_probe(struct platform_device *pdev) @@ -241,26 +240,24 @@ static int __devinit w90x900ts_probe(struct platform_device *pdev) goto fail1; } - if (!request_mem_region(res->start, res->end - res->start + 1, + if (!request_mem_region(res->start, resource_size(res), pdev->name)) { err = -EBUSY; goto fail1; } - w90p910_ts->ts_reg = ioremap(res->start, res->end - res->start + 1); + w90p910_ts->ts_reg = ioremap(res->start, resource_size(res)); if (!w90p910_ts->ts_reg) { err = -ENOMEM; goto fail2; } - res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - if (!res) { - err = -ENXIO; + w90p910_ts->clk = clk_get(&pdev->dev, NULL); + if (IS_ERR(w90p910_ts->clk)) { + err = PTR_ERR(w90p910_ts->clk); goto fail3; } - w90p910_ts->clocken = (void __iomem *)res->start; - input_dev->name = "W90P910 TouchScreen"; input_dev->phys = "w90p910ts/event0"; input_dev->id.bustype = BUS_HOST; @@ -283,20 +280,21 @@ static int __devinit w90x900ts_probe(struct platform_device *pdev) if (request_irq(w90p910_ts->irq_num, w90p910_ts_interrupt, IRQF_DISABLED, "w90p910ts", w90p910_ts)) { err = -EBUSY; - goto fail3; + goto fail4; } err = input_register_device(w90p910_ts->input); if (err) - goto fail4; + goto fail5; platform_set_drvdata(pdev, w90p910_ts); return 0; -fail4: free_irq(w90p910_ts->irq_num, w90p910_ts); +fail5: free_irq(w90p910_ts->irq_num, w90p910_ts); +fail4: clk_put(w90p910_ts->clk); fail3: iounmap(w90p910_ts->ts_reg); -fail2: release_mem_region(res->start, res->end - res->start + 1); +fail2: release_mem_region(res->start, resource_size(res)); fail1: input_free_device(input_dev); kfree(w90p910_ts); return err; @@ -311,8 +309,10 @@ static int __devexit w90x900ts_remove(struct platform_device *pdev) del_timer_sync(&w90p910_ts->timer); iounmap(w90p910_ts->ts_reg); + clk_put(w90p910_ts->clk); + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(res->start, res->end - res->start + 1); + release_mem_region(res->start, resource_size(res)); input_unregister_device(w90p910_ts->input); kfree(w90p910_ts); |