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Age	Commit message (Expand)	Author	Files	Lines
2015-02-04	block: Simplify bsg complete all	Peter Zijlstra	1	-47/+25
2014-08-29	bsg: fix potential error pointer dereference	Jens Axboe	1	-0/+1
2014-08-28	block,scsi: fixup blk_get_request dead queue scenarios	Joe Lawrence	1	-4/+4
2014-06-06	block: add blk_rq_set_block_pc()	Jens Axboe	1	-1/+2
2014-04-16	bsg: update check for rq based driver for blk-mq	Jens Axboe	1	-1/+1
2013-02-27	hlist: drop the node parameter from iterators	Sasha Levin	1	-2/+1
2013-02-27	block: convert to idr_alloc()	Tejun Heo	1	-17/+9
2012-02-08	bsg: fix sysfs link remove warning	Stanislaw Gruszka	1	-1/+2
2012-01-15	Merge branch 'for-3.3/core' of git://git.kernel.dk/linux-block	Linus Torvalds	1	-3/+1
2012-01-03	switch device_get_devnode() and ->devnode() to umode_t *	Al Viro	1	-1/+1
2011-12-14	block: misc updates to blk_get_queue()	Tejun Heo	1	-3/+1
2011-06-20	bsg: fix address space warning from sparse	Namhyung Kim	1	-6/+6
2011-06-20	bsg: remove unnecessary conditional expressions	Namhyung Kim	1	-2/+2
2011-06-20	bsg: fix bsg_poll() to return POLLOUT properly	Namhyung Kim	1	-1/+1
2010-12-09	[SCSI] bsg: correct fault if queue object removed while dev_t open	James Smart	1	-0/+8
2010-10-22	Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl	Linus Torvalds	1	-0/+1
2010-10-22	Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl	Linus Torvalds	1	-3/+0
2010-10-15	[SCSI] bsg: fix incorrect device_status value	FUJITA Tomonori	1	-1/+1
2010-10-15	llseek: automatically add .llseek fop	Arnd Bergmann	1	-0/+1
2010-10-05	block: autoconvert trivial BKL users to private mutex	Arnd Bergmann	1	-3/+0
2010-03-30	include cleanup: Update gfp.h and slab.h includes to prepare for breaking imp...	Tejun Heo	1	-0/+1
2010-02-09	tree-wide: Assorted spelling fixes	Daniel Mack	1	-1/+1
2009-11-11	block: jiffies fixes	Randy Dunlap	1	-1/+2
2009-09-19	Driver-Core: extend devnode callbacks to provide permissions	Kay Sievers	1	-2/+2
2009-07-01	block: get rid of queue-private command filter	Jens Axboe	1	-1/+1
2009-06-21	block: revert "bsg: setting rq->bio to NULL"	FUJITA Tomonori	1	-3/+0
2009-06-15	Driver Core: bsg: add nodename for bsg driver	Kay Sievers	1	-0/+6
2009-06-11	Merge branch 'for-2.6.31' of git://git.kernel.dk/linux-2.6-block	Linus Torvalds	1	-4/+4
2009-06-09	bsg: setting rq->bio to NULL	FUJITA Tomonori	1	-0/+3
2009-05-11	block: add rq->resid_len	Tejun Heo	1	-4/+4
2009-03-26	bsg: Remove bogus check against request_queue->max_sectors	Boaz Harrosh	1	-3/+0
2009-03-24	bsg: add support for tail queuing	Boaz Harrosh	1	-2/+7
2009-02-18	bsg: Fix sense buffer bug in SG_IO	Boaz Harrosh	1	-7/+10
2009-01-06	block: struct device - replace bus_id with dev_name(), dev_set_name()	Kay Sievers	1	-3/+3
2008-12-05	Enforce a minimum SG_IO timeout	Linus Torvalds	1	-0/+2
2008-10-21	[PATCH] switch scsi_cmd_ioctl() to passing fmode_t	Al Viro	1	-1/+1
2008-10-21	[PATCH] introduce fmode_t, do annotations	Al Viro	1	-3/+4
2008-10-16	device create: block: convert device_create_drvdata to device_create	Greg Kroah-Hartman	1	-2/+1
2008-10-09	block: introduce struct rq_map_data to use reserved pages	FUJITA Tomonori	1	-3/+4
2008-10-09	block: add gfp_mask argument to blk_rq_map_user and blk_rq_map_user_iov	FUJITA Tomonori	1	-2/+3
2008-08-27	block: move cmdfilter from gendisk to request_queue	FUJITA Tomonori	1	-33/+11
2008-07-21	device create: block: convert device_create to device_create_drvdata	Greg Kroah-Hartman	1	-1/+2
2008-07-15	Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6	Linus Torvalds	1	-3/+6
2008-07-14	Merge branch 'bkl-removal' of git://git.lwn.net/linux-2.6	Linus Torvalds	1	-1/+6
2008-07-14	Merge commit 'v2.6.26' into bkl-removal	Jonathan Corbet	1	-1/+2
2008-07-14	Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block	Linus Torvalds	1	-11/+27
2008-07-12	[SCSI] bsg: fix oops on remove	James Bottomley	1	-1/+2
2008-07-12	[SCSI] bsg: fix bsg_mutex hang with device removal	FUJITA Tomonori	1	-3/+6
2008-07-03	allow userspace to modify scsi command filter on per device basis	Adel Gadllah	1	-11/+27
2008-05-18	bsg: cdev lock_kernel() pushdown	Jonathan Corbet	1	-1/+6

// SPDX-License-Identifier: GPL-2.0-only #include <linux/crc-ccitt.h> #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/ihex.h> #include <linux/input.h> #include <linux/input/mt.h> #include <linux/input/touchscreen.h> #include <linux/interrupt.h> #include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/sizes.h> #include <linux/slab.h> #include <linux/unaligned.h> #define ILI2XXX_POLL_PERIOD 15 #define ILI210X_DATA_SIZE 64 #define ILI211X_DATA_SIZE 43 #define ILI251X_DATA_SIZE1 31 #define ILI251X_DATA_SIZE2 20 /* Touchscreen commands */ #define REG_TOUCHDATA 0x10 #define REG_PANEL_INFO 0x20 #define REG_FIRMWARE_VERSION 0x40 #define REG_PROTOCOL_VERSION 0x42 #define REG_KERNEL_VERSION 0x61 #define REG_IC_BUSY 0x80 #define REG_IC_BUSY_NOT_BUSY 0x50 #define REG_GET_MODE 0xc0 #define REG_GET_MODE_AP 0x5a #define REG_GET_MODE_BL 0x55 #define REG_SET_MODE_AP 0xc1 #define REG_SET_MODE_BL 0xc2 #define REG_WRITE_DATA 0xc3 #define REG_WRITE_ENABLE 0xc4 #define REG_READ_DATA_CRC 0xc7 #define REG_CALIBRATE 0xcc #define ILI251X_FW_FILENAME "ilitek/ili251x.bin" struct ili2xxx_chip { int (*read_reg)(struct i2c_client *client, u8 reg, void *buf, size_t len); int (*get_touch_data)(struct i2c_client *client, u8 *data); bool (*parse_touch_data)(const u8 *data, unsigned int finger, unsigned int *x, unsigned int *y, unsigned int *z); bool (*continue_polling)(const u8 *data, bool touch); unsigned int max_touches; unsigned int resolution; bool has_calibrate_reg; bool has_firmware_proto; bool has_pressure_reg; }; struct ili210x { struct i2c_client *client; struct input_dev *input; struct gpio_desc *reset_gpio; struct touchscreen_properties prop; const struct ili2xxx_chip *chip; u8 version_firmware[8]; u8 version_kernel[5]; u8 version_proto[2]; u8 ic_mode[2]; bool stop; }; static int ili210x_read_reg(struct i2c_client *client, u8 reg, void *buf, size_t len) { struct i2c_msg msg[] = { { .addr = client->addr, .flags = 0, .len = 1, .buf = &reg, }, { .addr = client->addr, .flags = I2C_M_RD, .len = len, .buf = buf, } }; int error, ret; ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg)); if (ret != ARRAY_SIZE(msg)) { error = ret < 0 ? ret : -EIO; dev_err(&client->dev, "%s failed: %d\n", __func__, error); return error; } return 0; } static int ili210x_read_touch_data(struct i2c_client *client, u8 *data) { return ili210x_read_reg(client, REG_TOUCHDATA, data, ILI210X_DATA_SIZE); } static bool ili210x_touchdata_to_coords(const u8 *touchdata, unsigned int finger, unsigned int *x, unsigned int *y, unsigned int *z) { if (!(touchdata[0] & BIT(finger))) return false; *x = get_unaligned_be16(touchdata + 1 + (finger * 4) + 0); *y = get_unaligned_be16(touchdata + 1 + (finger * 4) + 2); return true; } static bool ili210x_check_continue_polling(const u8