From aebd636bd60e2dda0ebc907dd5f7f4a45174411c Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Mon, 31 Jan 2011 21:06:39 -0800 Subject: Input: switch completely over to the new versions of get/setkeycode All users of old style get/setkeycode methids have been converted so it is time to retire them. Acked-by: Mauro Carvalho Chehab Acked-by: Jiri Kosina Signed-off-by: Dmitry Torokhov --- drivers/input/misc/ati_remote2.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/input/misc') diff --git a/drivers/input/misc/ati_remote2.c b/drivers/input/misc/ati_remote2.c index 0b0e9be63542..9ccdb82d869a 100644 --- a/drivers/input/misc/ati_remote2.c +++ b/drivers/input/misc/ati_remote2.c @@ -612,8 +612,8 @@ static int ati_remote2_input_init(struct ati_remote2 *ar2) idev->open = ati_remote2_open; idev->close = ati_remote2_close; - idev->getkeycode_new = ati_remote2_getkeycode; - idev->setkeycode_new = ati_remote2_setkeycode; + idev->getkeycode = ati_remote2_getkeycode; + idev->setkeycode = ati_remote2_setkeycode; idev->name = ar2->name; idev->phys = ar2->phys; -- cgit v1.2.3 From 5d9d6e91b835796c21fbd7ce479880e5181be112 Mon Sep 17 00:00:00 2001 From: David Herrmann Date: Fri, 11 Feb 2011 01:10:44 -0800 Subject: Input: uinput - fix setting up device name The check for non-empty device name was botched since we tried to account for extra space for the terminating zero at the same time. Convert to kstrndup() to avoid this problem. Signed-off-by: David Herrmann Acked-by: Aristeu Rozanski Signed-off-by: Dmitry Torokhov --- drivers/input/misc/uinput.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) (limited to 'drivers/input/misc') diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index 82542a1c1098..c0888e3d2fb4 100644 --- a/drivers/input/misc/uinput.c +++ b/drivers/input/misc/uinput.c @@ -347,8 +347,7 @@ static int uinput_setup_device(struct uinput_device *udev, const char __user *bu { struct uinput_user_dev *user_dev; struct input_dev *dev; - char *name; - int i, size; + int i; int retval; if (count != sizeof(struct uinput_user_dev)) @@ -373,19 +372,19 @@ static int uinput_setup_device(struct uinput_device *udev, const char __user *bu udev->ff_effects_max = user_dev->ff_effects_max; - size = strnlen(user_dev->name, UINPUT_MAX_NAME_SIZE) + 1; - if (!size) { + /* Ensure name is filled in */ + if (!user_dev->name[0]) { retval = -EINVAL; goto exit; } kfree(dev->name); - dev->name = name = kmalloc(size, GFP_KERNEL); - if (!name) { + dev->name = kstrndup(user_dev->name, UINPUT_MAX_NAME_SIZE, + GFP_KERNEL); + if (!dev->name) { retval = -ENOMEM; goto exit; } - strlcpy(name, user_dev->name, size); dev->id.bustype = user_dev->id.bustype; dev->id.vendor = user_dev->id.vendor; -- cgit v1.2.3 From 4dfcc271d587465f0d181c7636453ba4d0ec8acc Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Fri, 11 Feb 2011 01:10:45 -0800 Subject: Input: uinput - use memdup_user() and friends Instead of open-coding copying of data structures from userspace use memdup_user() and strndup_user(). Note that this introduces change in behavior because driver used to truncate 'phys' longer than 1024 bytes, but now it will refuse to set 'phys' that long. Arguably trying to set such 'phys' is suspect anyways. Signed-off-by: Dmitry Torokhov --- drivers/input/misc/uinput.c | 35 ++++++++++------------------------- 1 file changed, 10 insertions(+), 25 deletions(-) (limited to 'drivers/input/misc') diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index c0888e3d2fb4..7f8331f45bad 100644 --- a/drivers/input/misc/uinput.c +++ b/drivers/input/misc/uinput.c @@ -361,14 +361,9 @@ static int uinput_setup_device(struct uinput_device *udev, const char __user *bu dev = udev->dev; - user_dev = kmalloc(sizeof(struct uinput_user_dev), GFP_KERNEL); - if (!user_dev) - return -ENOMEM; - - if (copy_from_user(user_dev, buffer, sizeof(struct uinput_user_dev))) { - retval = -EFAULT; - goto exit; - } + user_dev = memdup_user(buffer, sizeof(struct uinput_user_dev)); + if (!IS_ERR(user_dev)) + return PTR_ERR(user_dev); udev->ff_effects_max = user_dev->ff_effects_max; @@ -621,7 +616,6 @@ static long uinput_ioctl_handler(struct file *file, unsigned int cmd, struct uinput_ff_upload ff_up; struct uinput_ff_erase ff_erase; struct uinput_request *req; - int length; char *phys; retval = mutex_lock_interruptible(&udev->mutex); @@ -688,24 +682,15 @@ static long uinput_ioctl_handler(struct file *file, unsigned int cmd, retval = -EINVAL; goto out; } - length = strnlen_user(p, 1024); - if (length <= 0) { - retval = -EFAULT; - break; + + phys = strndup_user(p, 1024); + if (IS_ERR(phys)) { + retval = PTR_ERR(phys); + goto out; } + kfree(udev->dev->phys); - udev->dev->phys = phys = kmalloc(length, GFP_KERNEL); - if (!phys) { - retval = -ENOMEM; - break; - } - if (copy_from_user(phys, p, length)) { - udev->dev->phys = NULL; - kfree(phys); - retval = -EFAULT; - break; - } - phys[length - 1] = '\0'; + udev->dev->phys = phys; break; case UI_BEGIN_FF_UPLOAD: -- cgit v1.2.3 From 6b7cfd193a00ba72efb19a05c486f96ae9297d0b Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 11 Feb 2011 08:49:05 -0800 Subject: Input: ad714x-i2c - convert to dev_pm_ops There is a general move to convert drivers to use dev_pm_ops rather than bus specific PM operations in order to facilitate core work. Do this conversion for ad714x-i2c. Signed-off-by: Mark Brown Acked-by: Michael Hennerich Signed-off-by: Dmitry Torokhov --- drivers/input/misc/ad714x-i2c.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) (limited to 'drivers/input/misc') diff --git a/drivers/input/misc/ad714x-i2c.c b/drivers/input/misc/ad714x-i2c.c index 2bef8fa56c94..e21deb1baa8a 100644 --- a/drivers/input/misc/ad714x-i2c.c +++ b/drivers/input/misc/ad714x-i2c.c @@ -10,23 +10,23 @@ #include #include #include +#include #include "ad714x.h" #ifdef CONFIG_PM -static int ad714x_i2c_suspend(struct i2c_client *client, pm_message_t message) +static int ad714x_i2c_suspend(struct device *dev) { - return ad714x_disable(i2c_get_clientdata(client)); + return ad714x_disable(i2c_get_clientdata(to_i2c_client(dev))); } -static int ad714x_i2c_resume(struct i2c_client *client) +static int ad714x_i2c_resume(struct device *dev) { - return ad714x_enable(i2c_get_clientdata(client)); + return ad714x_enable(i2c_get_clientdata(to_i2c_client(dev))); } -#else -# define ad714x_i2c_suspend NULL -# define ad714x_i2c_resume NULL #endif +static SIMPLE_DEV_PM_OPS(ad714x_i2c_pm, ad714x_i2c_suspend, ad714x_i2c_resume); + static int ad714x_i2c_write(struct device *dev, unsigned short reg, unsigned short data) { @@ -114,11 +114,10 @@ MODULE_DEVICE_TABLE(i2c, ad714x_id); static struct i2c_driver ad714x_i2c_driver = { .driver = { .name = "ad714x_captouch", + .pm = &ad714x_i2c_pm, }, .probe = ad714x_i2c_probe, .remove = __devexit_p(ad714x_i2c_remove), - .suspend = ad714x_i2c_suspend, - .resume = ad714x_i2c_resume, .id_table = ad714x_id, }; -- cgit v1.2.3 From a257090cd4e26b96667a15262f322e51f6582507 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 11 Feb 2011 08:49:37 -0800 Subject: Input: ad714x-spi - convert to dev_pm_ops There is a general move to convert drivers to use dev_pm_ops rather than bus specific PM operations in order to facilitate core work. Do this conversion for ad714x-spi. Signed-off-by: Mark Brown Acked-by: Michael Hennerich Signed-off-by: Dmitry Torokhov --- drivers/input/misc/ad714x-spi.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) (limited to 'drivers/input/misc') diff --git a/drivers/input/misc/ad714x-spi.c b/drivers/input/misc/ad714x-spi.c index 7f8dedfd1bfe..4120dd549305 100644 --- a/drivers/input/misc/ad714x-spi.c +++ b/drivers/input/misc/ad714x-spi.c @@ -9,6 +9,7 @@ #include /* BUS_I2C */ #include #include +#include #include #include "ad714x.h" @@ -16,20 +17,19 @@ #define AD714x_SPI_READ BIT(10) #ifdef CONFIG_PM -static int ad714x_spi_suspend(struct spi_device *spi, pm_message_t message) +static int ad714x_spi_suspend(struct device *dev) { - return ad714x_disable(spi_get_drvdata(spi)); + return ad714x_disable(spi_get_drvdata(to_spi_device(dev))); } -static int ad714x_spi_resume(struct spi_device *spi) +static int ad714x_spi_resume(struct device *dev) { - return ad714x_enable(spi_get_drvdata(spi)); + return ad714x_enable(spi_get_drvdata(to_spi_device(dev))); } -#else -# define ad714x_spi_suspend NULL -# define ad714x_spi_resume NULL #endif +static SIMPLE_DEV_PM_OPS(ad714x_spi_pm, ad714x_spi_suspend, ad714x_spi_resume); + static int ad714x_spi_read(struct device *dev, unsigned short reg, unsigned short *data) { @@ -79,11 +79,10 @@ static struct spi_driver ad714x_spi_driver = { .driver = { .name = "ad714x_captouch", .owner = THIS_MODULE, + .pm = &ad714x_spi_pm, }, .probe = ad714x_spi_probe, .remove = __devexit_p(ad714x_spi_remove), - .suspend = ad714x_spi_suspend, - .resume = ad714x_spi_resume, }; static __init int ad714x_spi_init(void) -- cgit v1.2.3 From fbb899356d4a6b6080ab3d9656914938db49449e Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 11 Feb 2011 08:51:52 -0800 Subject: Input: adxl34x-i2c - convert to dev_pm_ops There is a general move to convert drivers to use dev_pm_ops rather than bus specific ones in order to facilitate core development. Do this conversion for adxl34x-i2c. Signed-off-by: Mark Brown Acked-by: Michael Hennerich Signed-off-by: Dmitry Torokhov --- drivers/input/misc/adxl34x-i2c.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) (limited to 'drivers/input/misc') diff --git a/drivers/input/misc/adxl34x-i2c.c b/drivers/input/misc/adxl34x-i2c.c index 0779724af7e7..ccacf2bb06a4 100644 --- a/drivers/input/misc/adxl34x-i2c.c +++ b/drivers/input/misc/adxl34x-i2c.c @@ -11,6 +11,7 @@ #include #include #include +#include #include "adxl34x.h" static int adxl34x_smbus_read(struct device *dev, unsigned char reg) @@ -105,8 +106,9 @@ static int __devexit adxl34x_i2c_remove(struct i2c_client *client) } #ifdef CONFIG_PM -static int adxl34x_i2c_suspend(struct i2c_client *client, pm_message_t message) +static int adxl34x_i2c_suspend(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); struct adxl34x *ac = i2c_get_clientdata(client); adxl34x_suspend(ac); @@ -114,19 +116,20 @@ static int adxl34x_i2c_suspend(struct i2c_client *client, pm_message_t message) return 0; } -static int adxl34x_i2c_resume(struct i2c_client *client) +static int adxl34x_i2c_resume(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); struct adxl34x *ac = i2c_get_clientdata(client); adxl34x_resume(ac); return 0; } -#else -# define adxl34x_i2c_suspend NULL -# define adxl34x_i2c_resume NULL #endif +static SIMPLE_DEV_PM_OPS(adxl34x_i2c_pm, adxl34x_i2c_suspend, + adxl34x_i2c_resume); + static const struct i2c_device_id adxl34x_id[] = { { "adxl34x", 0 }, { } @@ -138,11 +141,10 @@ static struct i2c_driver adxl34x_driver = { .driver = { .name = "adxl34x", .owner = THIS_MODULE, + .pm = &adxl34x_i2c_pm, }, .probe = adxl34x_i2c_probe, .remove = __devexit_p(adxl34x_i2c_remove), - .suspend = adxl34x_i2c_suspend, - .resume = adxl34x_i2c_resume, .id_table = adxl34x_id, }; -- cgit v1.2.3 From 4d1ac94e2e3cd15f06ffc74efa42d6572fdf7689 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 11 Feb 2011 09:22:40 -0800 Subject: Input: adxl34x-spi - convert to dev_pm_ops There is a general move to convert drivers to use dev_pm_ops rather than bus specific ones in order to facilitate core development. Do this conversion for adxl34x-spi. Signed-off-by: Mark Brown Acked-by: Michael Hennerich Signed-off-by: Dmitry Torokhov --- drivers/input/misc/adxl34x-spi.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) (limited to 'drivers/input/misc') diff --git a/drivers/input/misc/adxl34x-spi.c b/drivers/input/misc/adxl34x-spi.c index 782de9e89828..5231add66a65 100644 --- a/drivers/input/misc/adxl34x-spi.c +++ b/drivers/input/misc/adxl34x-spi.c @@ -10,6 +10,7 @@ #include /* BUS_SPI */ #include #include +#include #include #include "adxl34x.h" @@ -94,8 +95,9 @@ static int __devexit adxl34x_spi_remove(struct spi_device *spi) } #ifdef CONFIG_PM -static int adxl34x_spi_suspend(struct spi_device *spi, pm_message_t message) +static int adxl34x_spi_suspend(struct device *dev) { + struct spi_device *spi = to_spi_device(dev); struct adxl34x *ac = dev_get_drvdata(&spi->dev); adxl34x_suspend(ac); @@ -103,29 +105,29 @@ static int adxl34x_spi_suspend(struct spi_device *spi, pm_message_t message) return 0; } -static int adxl34x_spi_resume(struct spi_device *spi) +static int adxl34x_spi_resume(struct device *dev) { + struct spi_device *spi = to_spi_device(dev); struct adxl34x *ac = dev_get_drvdata(&spi->dev); adxl34x_resume(ac); return 0; } -#else -# define adxl34x_spi_suspend NULL -# define adxl34x_spi_resume NULL #endif +static SIMPLE_DEV_PM_OPS(adxl34x_spi_pm, adxl34x_spi_suspend, + adxl34x_spi_resume); + static struct spi_driver adxl34x_driver = { .driver = { .name = "adxl34x", .bus = &spi_bus_type, .owner = THIS_MODULE, + .pm = &adxl34x_spi_pm, }, .probe = adxl34x_spi_probe, .remove = __devexit_p(adxl34x_spi_remove), - .suspend = adxl34x_spi_suspend, - .resume = adxl34x_spi_resume, }; static int __init adxl34x_spi_init(void) -- cgit v1.2.3 From 3dcab3bdd9cbf45433fc4e1514f3144638652e2b Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 11 Feb 2011 08:53:04 -0800 Subject: Input: adxl34x - fix references to adx134x The adxl34x SPI driver has what appears to be a typo referring to the device as adx134x with the numeral 1 rather than letter l. This appears to be an error so convert. Signed-off-by: Mark Brown Acked-by: Michael Hennerich Signed-off-by: Dmitry Torokhov --- drivers/input/misc/adxl34x-spi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/input/misc') diff --git a/drivers/input/misc/adxl34x-spi.c b/drivers/input/misc/adxl34x-spi.c index 5231add66a65..f29de22fdda0 100644 --- a/drivers/input/misc/adxl34x-spi.c +++ b/drivers/input/misc/adxl34x-spi.c @@ -58,7 +58,7 @@ static int adxl34x_spi_read_block(struct device *dev, return (status < 0) ? status : 0; } -static const struct adxl34x_bus_ops adx134x_spi_bops = { +static const struct adxl34x_bus_ops adxl34x_spi_bops = { .bustype = BUS_SPI, .write = adxl34x_spi_write, .read = adxl34x_spi_read, @@ -77,7 +77,7 @@ static int __devinit adxl34x_spi_probe(struct spi_device *spi) ac = adxl34x_probe(&spi->dev, spi->irq, spi->max_speed_hz > MAX_FREQ_NO_FIFODELAY, - &adx134x_spi_bops); + &adxl34x_spi_bops); if (IS_ERR(ac)) return PTR_ERR(ac); -- cgit v1.2.3 From 163d27706bb91a648cc292151fc072e1e8cd4b4d Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Fri, 18 Feb 2011 08:30:52 -0800 Subject: Input: uinput - reversed test in uinput_setup_device() The test here is reversed. It should be if (IS_ERR()) instead of if (!IS_ERR()). Signed-off-by: Dan Carpenter Signed-off-by: Dmitry Torokhov --- drivers/input/misc/uinput.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/input/misc') diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index 7f8331f45bad..364bdf43a381 100644 --- a/drivers/input/misc/uinput.c +++ b/drivers/input/misc/uinput.c @@ -362,7 +362,7 @@ static int uinput_setup_device(struct uinput_device *udev, const char __user *bu dev = udev->dev; user_dev = memdup_user(buffer, sizeof(struct uinput_user_dev)); - if (!IS_ERR(user_dev)) + if (IS_ERR(user_dev)) return PTR_ERR(user_dev); udev->ff_effects_max = user_dev->ff_effects_max; -- cgit v1.2.3 From 49851ca04c7f941ef6f5ca04751b0e0fefe9d50d Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Wed, 16 Mar 2011 22:56:03 -0700 Subject: Input: xen-kbdfront - move to drivers/input/misc drivers/input is reserved for input core code and input handlers with drivers belonging to one of the sub-directories. Signed-off-by: Dmitry Torokhov --- drivers/input/misc/Kconfig | 13 ++ drivers/input/misc/Makefile | 1 + drivers/input/misc/xen-kbdfront.c | 385 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 399 insertions(+) create mode 100644 drivers/input/misc/xen-kbdfront.c (limited to 'drivers/input/misc') diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index b0c6772851a9..f9cf0881b0e3 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -454,4 +454,17 @@ config INPUT_CMA3000_I2C To compile this driver as a module, choose M here: the module will be called cma3000_d0x_i2c. +config INPUT_XEN_KBDDEV_FRONTEND + tristate "Xen virtual keyboard and mouse support" + depends on XEN_FBDEV_FRONTEND + default y + select XEN_XENBUS_FRONTEND + help + This driver implements the front-end of the Xen virtual + keyboard and mouse device driver. It communicates with a back-end + in another domain. + + To compile this driver as a module, choose M here: the + module will be called xen-kbdfront. + endif diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile index 9b4797112c9a..e3f7984e6274 100644 --- a/drivers/input/misc/Makefile +++ b/drivers/input/misc/Makefile @@ -42,5 +42,6 @@ obj-$(CONFIG_INPUT_TWL4030_VIBRA) += twl4030-vibra.o obj-$(CONFIG_INPUT_UINPUT) += uinput.o obj-$(CONFIG_INPUT_WISTRON_BTNS) += wistron_btns.o obj-$(CONFIG_INPUT_WM831X_ON) += wm831x-on.o +obj-$(CONFIG_INPUT_XEN_KBDDEV_FRONTEND) += xen-kbdfront.o obj-$(CONFIG_INPUT_YEALINK) += yealink.o diff --git a/drivers/input/misc/xen-kbdfront.c b/drivers/input/misc/xen-kbdfront.c new file mode 100644 index 000000000000..7077f9bf5ead --- /dev/null +++ b/drivers/input/misc/xen-kbdfront.c @@ -0,0 +1,385 @@ +/* + * Xen para-virtual input device + * + * Copyright (C) 2005 Anthony Liguori + * Copyright (C) 2006-2008 Red Hat, Inc., Markus Armbruster + * + * Based on linux/drivers/input/mouse/sermouse.c + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include +#include +#include +#include +#include + +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +struct xenkbd_info { + struct input_dev *kbd; + struct input_dev *ptr; + struct xenkbd_page *page; + int gref; + int irq; + struct xenbus_device *xbdev; + char phys[32]; +}; + +static int xenkbd_remove(struct xenbus_device *); +static int xenkbd_connect_backend(struct xenbus_device *, struct xenkbd_info *); +static void xenkbd_disconnect_backend(struct xenkbd_info *); + +/* + * Note: if you need to send out events, see xenfb_do_update() for how + * to do that. + */ + +static irqreturn_t input_handler(int rq, void *dev_id) +{ + struct xenkbd_info *info = dev_id; + struct xenkbd_page *page = info->page; + __u32 cons, prod; + + prod = page->in_prod; + if (prod == page->in_cons) + return IRQ_HANDLED; + rmb(); /* ensure we see ring contents up to prod */ + for (cons = page->in_cons; cons != prod; cons++) { + union xenkbd_in_event *event; + struct input_dev *dev; + event = &XENKBD_IN_RING_REF(page, cons); + + dev = info->ptr; + switch (event->type) { + case XENKBD_TYPE_MOTION: + input_report_rel(dev, REL_X, event->motion.rel_x); + input_report_rel(dev, REL_Y, event->motion.rel_y); + if (event->motion.rel_z) + input_report_rel(dev, REL_WHEEL, + -event->motion.rel_z); + break; + case XENKBD_TYPE_KEY: + dev = NULL; + if (test_bit(event->key.keycode, info->kbd->keybit)) + dev = info->kbd; + if (test_bit(event->key.keycode, info->ptr->keybit)) + dev = info->ptr; + if (dev) + input_report_key(dev, event->key.keycode, + event->key.pressed); + else + pr_warning("unhandled keycode 0x%x\n", + event->key.keycode); + break; + case XENKBD_TYPE_POS: + input_report_abs(dev, ABS_X, event->pos.abs_x); + input_report_abs(dev, ABS_Y, event->pos.abs_y); + if (event->pos.rel_z) + input_report_rel(dev, REL_WHEEL, + -event->pos.rel_z); + break; + } + if (dev) + input_sync(dev); + } + mb(); /* ensure we got ring contents */ + page->in_cons = cons; + notify_remote_via_irq(info->irq); + + return IRQ_HANDLED; +} + +static int __devinit xenkbd_probe(struct xenbus_device *dev, + const struct xenbus_device_id *id) +{ + int ret, i, abs; + struct xenkbd_info *info; + struct input_dev *kbd, *ptr; + + info = kzalloc(sizeof(*info), GFP_KERNEL); + if (!info) { + xenbus_dev_fatal(dev, -ENOMEM, "allocating info structure"); + return -ENOMEM; + } + dev_set_drvdata(&dev->dev, info); + info->xbdev = dev; + info->irq = -1; + info->gref = -1; + snprintf(info->phys, sizeof(info->phys), "xenbus/%s", dev->nodename); + + info->page = (void *)__get_free_page(GFP_KERNEL | __GFP_ZERO); + if (!info->page) + goto error_nomem; + + if (xenbus_scanf(XBT_NIL, dev->otherend, "feature-abs-pointer", "%d", &abs) < 0) + abs = 0; + if (abs) + xenbus_printf(XBT_NIL, dev->nodename, "request-abs-pointer", "1"); + + /* keyboard */ + kbd = input_allocate_device(); + if (!kbd) + goto error_nomem; + kbd->name = "Xen Virtual Keyboard"; + kbd->phys = info->phys; + kbd->id.bustype = BUS_PCI; + kbd->id.vendor = 0x5853; + kbd->id.product = 0xffff; + + __set_bit(EV_KEY, kbd->evbit); + for (i = KEY_ESC; i < KEY_UNKNOWN; i++) + __set_bit(i, kbd->keybit); + for (i = KEY_OK; i < KEY_MAX; i++) + __set_bit(i, kbd->keybit); + + ret = input_register_device(kbd); + if (ret) { + input_free_device(kbd); + xenbus_dev_fatal(dev, ret, "input_register_device(kbd)"); + goto error; + } + info->kbd = kbd; + + /* pointing device */ + ptr = input_allocate_device(); + if (!ptr) + goto error_nomem; + ptr->name = "Xen Virtual Pointer"; + ptr->phys = info->phys; + ptr->id.bustype = BUS_PCI; + ptr->id.vendor = 0x5853; + ptr->id.product = 0xfffe; + + if (abs) { + __set_bit(EV_ABS, ptr->evbit); + input_set_abs_params(ptr, ABS_X, 0, XENFB_WIDTH, 0, 0); + input_set_abs_params(ptr, ABS_Y, 0, XENFB_HEIGHT, 0, 0); + } else { + input_set_capability(ptr, EV_REL, REL_X); + input_set_capability(ptr, EV_REL, REL_Y); + } + input_set_capability(ptr, EV_REL, REL_WHEEL); + + __set_bit(EV_KEY, ptr->evbit); + for (i = BTN_LEFT; i <= BTN_TASK; i++) + __set_bit(i, ptr->keybit); + + ret = input_register_device(ptr); + if (ret) { + input_free_device(ptr); + xenbus_dev_fatal(dev, ret, "input_register_device(ptr)"); + goto error; + } + info->ptr = ptr; + + ret = xenkbd_connect_backend(dev, info); + if (ret < 0) + goto error; + + return 0; + + error_nomem: + ret = -ENOMEM; + xenbus_dev_fatal(dev, ret, "allocating device memory"); + error: + xenkbd_remove(dev); + return ret; +} + +static int xenkbd_resume(struct xenbus_device *dev) +{ + struct xenkbd_info *info = dev_get_drvdata(&dev->dev); + + xenkbd_disconnect_backend(info); + memset(info->page, 0, PAGE_SIZE); + return xenkbd_connect_backend(dev, info); +} + +static int xenkbd_remove(struct xenbus_device *dev) +{ + struct xenkbd_info *info = dev_get_drvdata(&dev->dev); + + xenkbd_disconnect_backend(info); + if (info->kbd) + input_unregister_device(info->kbd); + if (info->ptr) + input_unregister_device(info->ptr); + free_page((unsigned long)info->page); + kfree(info); + return 0; +} + +static int xenkbd_connect_backend(struct xenbus_device *dev, + struct xenkbd_info *info) +{ + int ret, evtchn; + struct xenbus_transaction xbt; + + ret = gnttab_grant_foreign_access(dev->otherend_id, + virt_to_mfn(info->page), 0); + if (ret < 0) + return ret; + info->gref = ret; + + ret = xenbus_alloc_evtchn(dev, &evtchn); + if (ret) + goto error_grant; + ret = bind_evtchn_to_irqhandler(evtchn, input_handler, + 0, dev->devicetype, info); + if (ret < 0) { + xenbus_dev_fatal(dev, ret, "bind_evtchn_to_irqhandler"); + goto error_evtchan; + } + info->irq = ret; + + again: + ret = xenbus_transaction_start(&xbt); + if (ret) { + xenbus_dev_fatal(dev, ret, "starting transaction"); + goto error_irqh; + } + ret = xenbus_printf(xbt, dev->nodename, "page-ref", "%lu", + virt_to_mfn(info->page)); + if (ret) + goto error_xenbus; + ret = xenbus_printf(xbt, dev->nodename, "page-gref", "%u", info->gref); + if (ret) + goto error_xenbus; + ret = xenbus_printf(xbt, dev->nodename, "event-channel", "%u", + evtchn); + if (ret) + goto error_xenbus; + ret = xenbus_transaction_end(xbt, 0); + if (ret) { + if (ret == -EAGAIN) + goto again; + xenbus_dev_fatal(dev, ret, "completing transaction"); + goto error_irqh; + } + + xenbus_switch_state(dev, XenbusStateInitialised); + return 0; + + error_xenbus: + xenbus_transaction_end(xbt, 1); + xenbus_dev_fatal(dev, ret, "writing xenstore"); + error_irqh: + unbind_from_irqhandler(info->irq, info); + info->irq = -1; + error_evtchan: + xenbus_free_evtchn(dev, evtchn); + error_grant: + gnttab_end_foreign_access_ref(info->gref, 0); + info->gref = -1; + return ret; +} + +static void xenkbd_disconnect_backend(struct xenkbd_info *info) +{ + if (info->irq >= 0) + unbind_from_irqhandler(info->irq, info); + info->irq = -1; + if (info->gref >= 0) + gnttab_end_foreign_access_ref(info->gref, 0); + info->gref = -1; +} + +static void xenkbd_backend_changed(struct xenbus_device *dev, + enum xenbus_state backend_state) +{ + struct xenkbd_info *info = dev_get_drvdata(&dev->dev); + int val; + + switch (backend_state) { + case XenbusStateInitialising: + case XenbusStateInitialised: + case XenbusStateReconfiguring: + case XenbusStateReconfigured: + case XenbusStateUnknown: + case XenbusStateClosed: + break; + + case XenbusStateInitWait: +InitWait: + xenbus_switch_state(dev, XenbusStateConnected); + break; + + case XenbusStateConnected: + /* + * Work around xenbus race condition: If backend goes + * through InitWait to Connected fast enough, we can + * get Connected twice here. + */ + if (dev->state != XenbusStateConnected) + goto InitWait; /* no InitWait seen yet, fudge it */ + + /* Set input abs params to match backend screen res */ + if (xenbus_scanf(XBT_NIL, info->xbdev->otherend, + "width", "%d", &val) > 0) + input_set_abs_params(info->ptr, ABS_X, 0, val, 0, 0); + + if (xenbus_scanf(XBT_NIL, info->xbdev->otherend, + "height", "%d", &val) > 0) + input_set_abs_params(info->ptr, ABS_Y, 0, val, 0, 0); + + break; + + case XenbusStateClosing: + xenbus_frontend_closed(dev); + break; + } +} + +static const struct xenbus_device_id xenkbd_ids[] = { + { "vkbd" }, + { "" } +}; + +static struct xenbus_driver xenkbd_driver = { + .name = "vkbd", + .owner = THIS_MODULE, + .ids = xenkbd_ids, + .probe = xenkbd_probe, + .remove = xenkbd_remove, + .resume = xenkbd_resume, + .otherend_changed = xenkbd_backend_changed, +}; + +static int __init xenkbd_init(void) +{ + if (!xen_pv_domain()) + return -ENODEV; + + /* Nothing to do if running in dom0. */ + if (xen_initial_domain()) + return -ENODEV; + + return xenbus_register_frontend(&xenkbd_driver); +} + +static void __exit xenkbd_cleanup(void) +{ + xenbus_unregister_driver(&xenkbd_driver); +} + +module_init(xenkbd_init); +module_exit(xenkbd_cleanup); + +MODULE_DESCRIPTION("Xen virtual keyboard/pointer device frontend"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("xen:vkbd"); -- cgit v1.2.3 From 0638d56fbb6cf8367fcf01a1febf6a191b0e0704 Mon Sep 17 00:00:00 2001 From: Andres Salomon Date: Thu, 17 Feb 2011 19:07:20 -0800 Subject: mfd: mfd_cell is now implicitly available to twl4030 drivers The cell's platform_data is now accessed with a helper function; change clients to use that, and remove the now-unused data_size. Signed-off-by: Andres Salomon Acked-by: Peter Ujfalusi Signed-off-by: Samuel Ortiz --- drivers/input/misc/twl4030-vibra.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/input/misc') diff --git a/drivers/input/misc/twl4030-vibra.c b/drivers/input/misc/twl4030-vibra.c index 014dd4ad0d4f..6a11694e3fc7 100644 --- a/drivers/input/misc/twl4030-vibra.c +++ b/drivers/input/misc/twl4030-vibra.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include @@ -196,7 +197,7 @@ static SIMPLE_DEV_PM_OPS(twl4030_vibra_pm_ops, static int __devinit twl4030_vibra_probe(struct platform_device *pdev) { - struct twl4030_codec_vibra_data *pdata = pdev->dev.platform_data; + struct twl4030_codec_vibra_data *pdata = mfd_get_data(pdev); struct vibra_info *info; int ret; -- cgit v1.2.3 From c9f560b3d0222f6a6e3faeda324e786e230e4f20 Mon Sep 17 00:00:00 2001 From: Haojian Zhuang Date: Mon, 7 Mar 2011 23:43:12 +0800 Subject: mfd: Adopt mfd_data in 88pm860x input driver Copy 88pm860x platform data into different mfd_data structure for onkey/touch/codec/power driver. So move the identification of device node from those drivers to mfd driver. Signed-off-by: Haojian Zhuang Signed-off-by: Samuel Ortiz --- drivers/input/misc/88pm860x_onkey.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/input/misc') diff --git a/drivers/input/misc/88pm860x_onkey.c b/drivers/input/misc/88pm860x_onkey.c index 4cc82826ea6b..3dca3c14510e 100644 --- a/drivers/input/misc/88pm860x_onkey.c +++ b/drivers/input/misc/88pm860x_onkey.c @@ -74,7 +74,7 @@ static int __devinit pm860x_onkey_probe(struct platform_device *pdev) info->chip = chip; info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion; info->dev = &pdev->dev; - info->irq = irq + chip->irq_base; + info->irq = irq; info->idev = input_allocate_device(); if (!info->idev) { -- cgit v1.2.3 From a718d79cc0e0c2f0aa82ba2c54383a18f15b7738 Mon Sep 17 00:00:00 2001 From: Peter Hutterer Date: Wed, 30 Mar 2011 22:25:34 -0700 Subject: Input: uinput - allow for 0/0 min/max on absolute axes. Some devices provide absolute axes with min/max of 0/0 (e.g. wacom's ABS_MISC axis). Current uinput restrictions do not allow duplication of these devices and require hacks in userspace to work around this. If the kernel accepts physical devices with a min/max of 0/0, uinput shouldn't disallow the same range. Signed-off-by: Peter Hutterer Signed-off-by: Dmitry Torokhov --- drivers/input/misc/uinput.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers/input/misc') diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index 364bdf43a381..736056897e50 100644 --- a/drivers/input/misc/uinput.c +++ b/drivers/input/misc/uinput.c @@ -302,10 +302,14 @@ static int uinput_validate_absbits(struct input_dev *dev) int retval = 0; for (cnt = 0; cnt < ABS_CNT; cnt++) { + int min, max; if (!test_bit(cnt, dev->absbit)) continue; - if (input_abs_get_max(dev, cnt) <= input_abs_get_min(dev, cnt)) { + min = input_abs_get_min(dev, cnt); + max = input_abs_get_max(dev, cnt); + + if ((min != 0 || max != 0) && max <= min) { printk(KERN_DEBUG "%s: invalid abs[%02x] min:%d max:%d\n", UINPUT_NAME, cnt, -- cgit v1.2.3 From 25985edcedea6396277003854657b5f3cb31a628 Mon Sep 17 00:00:00 2001 From: Lucas De Marchi Date: Wed, 30 Mar 2011 22:57:33 -0300 Subject: Fix common misspellings Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi --- drivers/input/misc/adxl34x.c | 2 +- drivers/input/misc/keyspan_remote.c | 2 +- drivers/input/misc/wistron_btns.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/input/misc') diff --git a/drivers/input/misc/adxl34x.c b/drivers/input/misc/adxl34x.c index de5900d50788..144ddbdeb9b3 100644 --- a/drivers/input/misc/adxl34x.c +++ b/drivers/input/misc/adxl34x.c @@ -716,7 +716,7 @@ struct adxl34x *adxl34x_probe(struct device *dev, int irq, pdata = dev->platform_data; if (!pdata) { dev_dbg(dev, - "No platfrom data: Using default initialization\n"); + "No platform data: Using default initialization\n"); pdata = &adxl34x_default_init; } diff --git a/drivers/input/misc/keyspan_remote.c b/drivers/input/misc/keyspan_remote.c index a93c525475c6..fc62256c963f 100644 --- a/drivers/input/misc/keyspan_remote.c +++ b/drivers/input/misc/keyspan_remote.c @@ -312,7 +312,7 @@ static void keyspan_check_data(struct usb_keyspan *remote) remote->data.tester = remote->data.tester >> 5; remote->data.bits_left -= 5; } else { - err("Bad message recieved, no stop bit found.\n"); + err("Bad message received, no stop bit found.\n"); } dev_dbg(&remote->udev->dev, diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c index 12501de0c5cd..52b419348983 100644 --- a/drivers/input/misc/wistron_btns.c +++ b/drivers/input/misc/wistron_btns.c @@ -274,7 +274,7 @@ static struct key_entry keymap_fs_amilo_pro_v3505[] __initdata = { { KE_BLUETOOTH, 0x30 }, /* Fn+F10 */ { KE_KEY, 0x31, {KEY_MAIL} }, /* mail button */ { KE_KEY, 0x36, {KEY_WWW} }, /* www button */ - { KE_WIFI, 0x78 }, /* satelite dish button */ + { KE_WIFI, 0x78 }, /* satellite dish button */ { KE_END, 0 } }; -- cgit v1.2.3 From c36b58e8a9112017c2bcc322cc98e71241814303 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Mon, 18 Apr 2011 10:17:17 -0700 Subject: Input: xen-kbdfront - fix mouse getting stuck after save/restore Mouse gets "stuck" after restore of PV guest but buttons are in working condition. If driver has been configured for ABS coordinates at start it will get XENKBD_TYPE_POS events and then suddenly after restore it'll start getting XENKBD_TYPE_MOTION events, that will be dropped later and they won't get into user-space. Regression was introduced by hunk 5 and 6 of 5ea5254aa0ad269cfbd2875c973ef25ab5b5e9db ("Input: xen-kbdfront - advertise either absolute or relative coordinates"). Driver on restore should ask xen for request-abs-pointer again if it is available. So restore parts that did it before 5ea5254. Acked-by: Olaf Hering Signed-off-by: Igor Mammedov [v1: Expanded the commit description] Signed-off-by: Konrad Rzeszutek Wilk Signed-off-by: Dmitry Torokhov --- drivers/input/misc/xen-kbdfront.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'drivers/input/misc') diff --git a/drivers/input/misc/xen-kbdfront.c b/drivers/input/misc/xen-kbdfront.c index 7077f9bf5ead..62bae99424e6 100644 --- a/drivers/input/misc/xen-kbdfront.c +++ b/drivers/input/misc/xen-kbdfront.c @@ -303,7 +303,7 @@ static void xenkbd_backend_changed(struct xenbus_device *dev, enum xenbus_state backend_state) { struct xenkbd_info *info = dev_get_drvdata(&dev->dev); - int val; + int ret, val; switch (backend_state) { case XenbusStateInitialising: @@ -316,6 +316,17 @@ static void xenkbd_backend_changed(struct xenbus_device *dev, case XenbusStateInitWait: InitWait: + ret = xenbus_scanf(XBT_NIL, info->xbdev->otherend, + "feature-abs-pointer", "%d", &val); + if (ret < 0) + val = 0; + if (val) { + ret = xenbus_printf(XBT_NIL, info->xbdev->nodename, + "request-abs-pointer", "1"); + if (ret) + pr_warning("xenkbd: can't request abs-pointer"); + } + xenbus_switch_state(dev, XenbusStateConnected); break; -- cgit v1.2.3