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-rw-r--r--drivers/input/evdev.c9
-rw-r--r--drivers/input/gameport/fm801-gp.c1
-rw-r--r--drivers/input/gameport/gameport.c25
-rw-r--r--drivers/input/joydev.c14
-rw-r--r--drivers/input/keyboard/Kconfig21
-rw-r--r--drivers/input/keyboard/Makefile2
-rw-r--r--drivers/input/keyboard/ep93xx_keypad.c470
-rw-r--r--drivers/input/keyboard/gpio_keys.c3
-rw-r--r--drivers/input/keyboard/lm8323.c878
-rw-r--r--drivers/input/misc/Kconfig19
-rw-r--r--drivers/input/misc/Makefile2
-rw-r--r--drivers/input/misc/ati_remote2.c16
-rw-r--r--drivers/input/misc/dm355evm_keys.c329
-rw-r--r--drivers/input/misc/rotary_encoder.c61
-rw-r--r--drivers/input/misc/twl4030-pwrbutton.c145
-rw-r--r--drivers/input/misc/uinput.c94
-rw-r--r--drivers/input/mouse/alps.c18
-rw-r--r--drivers/input/mouse/appletouch.c2
-rw-r--r--drivers/input/mouse/lifebook.c25
-rw-r--r--drivers/input/mouse/psmouse-base.c4
-rw-r--r--drivers/input/mousedev.c9
-rw-r--r--drivers/input/serio/i8042.c17
-rw-r--r--drivers/input/serio/serio.c58
-rw-r--r--drivers/input/tablet/gtco.c1
-rw-r--r--drivers/input/tablet/wacom.h5
-rw-r--r--drivers/input/tablet/wacom_sys.c13
-rw-r--r--drivers/input/tablet/wacom_wac.c171
-rw-r--r--drivers/input/tablet/wacom_wac.h3
-rw-r--r--drivers/input/touchscreen/Kconfig24
-rw-r--r--drivers/input/touchscreen/Makefile2
-rw-r--r--drivers/input/touchscreen/ads7846.c11
-rw-r--r--drivers/input/touchscreen/atmel-wm97xx.c446
-rw-r--r--drivers/input/touchscreen/eeti_ts.c286
-rw-r--r--drivers/input/touchscreen/tsc2007.c2
-rw-r--r--drivers/input/touchscreen/wm97xx-core.c2
35 files changed, 3000 insertions, 188 deletions
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 7a7a026ba712..c238116400b3 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -25,7 +25,6 @@ struct evdev {
25 int exist; 25 int exist;
26 int open; 26 int open;
27 int minor; 27 int minor;
28 char name[16];
29 struct input_handle handle; 28 struct input_handle handle;
30 wait_queue_head_t wait; 29 wait_queue_head_t wait;
31 struct evdev_client *grab; 30 struct evdev_client *grab;
@@ -609,7 +608,8 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd,
609 p, compat_mode); 608 p, compat_mode);
610 609
611 if (_IOC_NR(cmd) == _IOC_NR(EVIOCGNAME(0))) 610 if (_IOC_NR(cmd) == _IOC_NR(EVIOCGNAME(0)))
612 return str_to_user(dev->name, _IOC_SIZE(cmd), p); 611 return str_to_user(dev_name(&evdev->dev),
612 _IOC_SIZE(cmd), p);
613 613
614 if (_IOC_NR(cmd) == _IOC_NR(EVIOCGPHYS(0))) 614 if (_IOC_NR(cmd) == _IOC_NR(EVIOCGPHYS(0)))
615 return str_to_user(dev->phys, _IOC_SIZE(cmd), p); 615 return str_to_user(dev->phys, _IOC_SIZE(cmd), p);
@@ -807,16 +807,15 @@ static int evdev_connect(struct input_handler *handler, struct input_dev *dev,
807 mutex_init(&evdev->mutex); 807 mutex_init(&evdev->mutex);
808 init_waitqueue_head(&evdev->wait); 808 init_waitqueue_head(&evdev->wait);
809 809
810 snprintf(evdev->name, sizeof(evdev->name), "event%d", minor); 810 dev_set_name(&evdev->dev, "event%d", minor);
811 evdev->exist = 1; 811 evdev->exist = 1;
812 evdev->minor = minor; 812 evdev->minor = minor;
813 813
814 evdev->handle.dev = input_get_device(dev); 814 evdev->handle.dev = input_get_device(dev);
815 evdev->handle.name = evdev->name; 815 evdev->handle.name = dev_name(&evdev->dev);
816 evdev->handle.handler = handler; 816 evdev->handle.handler = handler;
817 evdev->handle.private = evdev; 817 evdev->handle.private = evdev;
818 818
819 dev_set_name(&evdev->dev, evdev->name);
820 evdev->dev.devt = MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + minor); 819 evdev->dev.devt = MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + minor);
821 evdev->dev.class = &input_class; 820 evdev->dev.class = &input_class;
822 evdev->dev.parent = &dev->dev; 821 evdev->dev.parent = &dev->dev;
diff --git a/drivers/input/gameport/fm801-gp.c b/drivers/input/gameport/fm801-gp.c
index 1dec00e20dbc..8a1810f88b9e 100644
--- a/drivers/input/gameport/fm801-gp.c
+++ b/drivers/input/gameport/fm801-gp.c
@@ -167,5 +167,6 @@ module_exit(fm801_gp_exit);
167 167
168MODULE_DEVICE_TABLE(pci, fm801_gp_id_table); 168MODULE_DEVICE_TABLE(pci, fm801_gp_id_table);
169 169
170MODULE_DESCRIPTION("FM801 gameport driver");
170MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>"); 171MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
171MODULE_LICENSE("GPL"); 172MODULE_LICENSE("GPL");
diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c
index 2d175b5928ff..ac11be08585e 100644
--- a/drivers/input/gameport/gameport.c
+++ b/drivers/input/gameport/gameport.c
@@ -30,16 +30,6 @@ MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
30MODULE_DESCRIPTION("Generic gameport layer"); 30MODULE_DESCRIPTION("Generic gameport layer");
31MODULE_LICENSE("GPL"); 31MODULE_LICENSE("GPL");
32 32
33EXPORT_SYMBOL(__gameport_register_port);
34EXPORT_SYMBOL(gameport_unregister_port);
35EXPORT_SYMBOL(__gameport_register_driver);
36EXPORT_SYMBOL(gameport_unregister_driver);
37EXPORT_SYMBOL(gameport_open);
38EXPORT_SYMBOL(gameport_close);
39EXPORT_SYMBOL(gameport_set_phys);
40EXPORT_SYMBOL(gameport_start_polling);
41EXPORT_SYMBOL(gameport_stop_polling);
42
43/* 33/*
44 * gameport_mutex protects entire gameport subsystem and is taken 34 * gameport_mutex protects entire gameport subsystem and is taken
45 * every time gameport port or driver registrered or unregistered. 35 * every time gameport port or driver registrered or unregistered.
@@ -162,6 +152,7 @@ void gameport_start_polling(struct gameport *gameport)
162 152
163 spin_unlock(&gameport->timer_lock); 153 spin_unlock(&gameport->timer_lock);
164} 154}
155EXPORT_SYMBOL(gameport_start_polling);
165 156
166void gameport_stop_polling(struct gameport *gameport) 157void gameport_stop_polling(struct gameport *gameport)
167{ 158{
@@ -172,6 +163,7 @@ void gameport_stop_polling(struct gameport *gameport)
172 163
173 spin_unlock(&gameport->timer_lock); 164 spin_unlock(&gameport->timer_lock);
174} 165}
166EXPORT_SYMBOL(gameport_stop_polling);
175 167
176static void gameport_run_poll_handler(unsigned long d) 168static void gameport_run_poll_handler(unsigned long d)
177{ 169{
@@ -516,6 +508,7 @@ void gameport_set_phys(struct gameport *gameport, const char *fmt, ...)
516 vsnprintf(gameport->phys, sizeof(gameport->phys), fmt, args); 508 vsnprintf(gameport->phys, sizeof(gameport->phys), fmt, args);
517 va_end(args); 509 va_end(args);
518} 510}
511EXPORT_SYMBOL(gameport_set_phys);
519 512
520/* 513/*
521 * Prepare gameport port for registration. 514 * Prepare gameport port for registration.
@@ -658,6 +651,7 @@ void __gameport_register_port(struct gameport *gameport, struct module *owner)
658 gameport_init_port(gameport); 651 gameport_init_port(gameport);
659 gameport_queue_event(gameport, owner, GAMEPORT_REGISTER_PORT); 652 gameport_queue_event(gameport, owner, GAMEPORT_REGISTER_PORT);
660} 653}
654EXPORT_SYMBOL(__gameport_register_port);
661 655
662/* 656/*
663 * Synchronously unregisters gameport port. 657 * Synchronously unregisters gameport port.
@@ -669,6 +663,7 @@ void gameport_unregister_port(struct gameport *gameport)
669 gameport_destroy_port(gameport); 663 gameport_destroy_port(gameport);
670 mutex_unlock(&gameport_mutex); 664 mutex_unlock(&gameport_mutex);
671} 665}
666EXPORT_SYMBOL(gameport_unregister_port);
672 667
673 668
674/* 669/*
@@ -728,7 +723,7 @@ int __gameport_register_driver(struct gameport_driver *drv, struct module *owner
728 * Temporarily disable automatic binding because probing 723 * Temporarily disable automatic binding because probing
729 * takes long time and we are better off doing it in kgameportd 724 * takes long time and we are better off doing it in kgameportd
730 */ 725 */
731 drv->ignore = 1; 726 drv->ignore = true;
732 727
733 error = driver_register(&drv->driver); 728 error = driver_register(&drv->driver);
734 if (error) { 729 if (error) {
@@ -741,7 +736,7 @@ int __gameport_register_driver(struct gameport_driver *drv, struct module *owner
741 /* 736 /*
742 * Reset ignore flag and let kgameportd bind the driver to free ports 737 * Reset ignore flag and let kgameportd bind the driver to free ports
743 */ 738 */
744 drv->ignore = 0; 739 drv->ignore = false;
745 error = gameport_queue_event(drv, NULL, GAMEPORT_ATTACH_DRIVER); 740 error = gameport_queue_event(drv, NULL, GAMEPORT_ATTACH_DRIVER);
746 if (error) { 741 if (error) {
747 driver_unregister(&drv->driver); 742 driver_unregister(&drv->driver);
@@ -750,6 +745,7 @@ int __gameport_register_driver(struct gameport_driver *drv, struct module *owner
750 745
751 return 0; 746 return 0;
752} 747}
748EXPORT_SYMBOL(__gameport_register_driver);
753 749
754void gameport_unregister_driver(struct gameport_driver *drv) 750void gameport_unregister_driver(struct gameport_driver *drv)
755{ 751{
@@ -757,7 +753,7 @@ void gameport_unregister_driver(struct gameport_driver *drv)
757 753
758 mutex_lock(&gameport_mutex); 754 mutex_lock(&gameport_mutex);
759 755
760 drv->ignore = 1; /* so gameport_find_driver ignores it */ 756 drv->ignore = true; /* so gameport_find_driver ignores it */
761 gameport_remove_pending_events(drv); 757 gameport_remove_pending_events(drv);
762 758
763start_over: 759start_over:
@@ -774,6 +770,7 @@ start_over:
774 770
775 mutex_unlock(&gameport_mutex); 771 mutex_unlock(&gameport_mutex);
776} 772}
773EXPORT_SYMBOL(gameport_unregister_driver);
777 774
778static int gameport_bus_match(struct device *dev, struct device_driver *drv) 775static int gameport_bus_match(struct device *dev, struct device_driver *drv)
779{ 776{
@@ -812,6 +809,7 @@ int gameport_open(struct gameport *gameport, struct gameport_driver *drv, int mo
812 gameport_set_drv(gameport, drv); 809 gameport_set_drv(gameport, drv);
813 return 0; 810 return 0;
814} 811}
812EXPORT_SYMBOL(gameport_open);
815 813
816void gameport_close(struct gameport *gameport) 814void gameport_close(struct gameport *gameport)
817{ 815{
@@ -822,6 +820,7 @@ void gameport_close(struct gameport *gameport)
822 if (gameport->close) 820 if (gameport->close)
823 gameport->close(gameport); 821 gameport->close(gameport);
824} 822}
823EXPORT_SYMBOL(gameport_close);
825 824
826static int __init gameport_init(void) 825static int __init gameport_init(void)
827{ 826{
diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c
index 012a5e753991..0e12f89276a3 100644
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -39,7 +39,6 @@ struct joydev {
39 int exist; 39 int exist;
40 int open; 40 int open;
41 int minor; 41 int minor;
42 char name[16];
43 struct input_handle handle; 42 struct input_handle handle;
44 wait_queue_head_t wait; 43 wait_queue_head_t wait;
45 struct list_head client_list; 44 struct list_head client_list;
@@ -537,12 +536,14 @@ static int joydev_ioctl_common(struct joydev *joydev,
537 default: 536 default:
538 if ((cmd & ~IOCSIZE_MASK) == JSIOCGNAME(0)) { 537 if ((cmd & ~IOCSIZE_MASK) == JSIOCGNAME(0)) {
539 int len; 538 int len;
540 if (!dev->name) 539 const char *name = dev_name(&dev->dev);
540
541 if (!name)
541 return 0; 542 return 0;
542 len = strlen(dev->name) + 1; 543 len = strlen(name) + 1;
543 if (len > _IOC_SIZE(cmd)) 544 if (len > _IOC_SIZE(cmd))
544 len = _IOC_SIZE(cmd); 545 len = _IOC_SIZE(cmd);
545 if (copy_to_user(argp, dev->name, len)) 546 if (copy_to_user(argp, name, len))
546 return -EFAULT; 547 return -EFAULT;
547 return len; 548 return len;
548 } 549 }
@@ -742,13 +743,13 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
742 mutex_init(&joydev->mutex); 743 mutex_init(&joydev->mutex);
743 init_waitqueue_head(&joydev->wait); 744 init_waitqueue_head(&joydev->wait);
744 745
745 snprintf(joydev->name, sizeof(joydev->name), "js%d", minor); 746 dev_set_name(&joydev->dev, "js%d", minor);
746 joydev->exist = 1; 747 joydev->exist = 1;
747 joydev->minor = minor; 748 joydev->minor = minor;
748 749
749 joydev->exist = 1; 750 joydev->exist = 1;
750 joydev->handle.dev = input_get_device(dev); 751 joydev->handle.dev = input_get_device(dev);
751 joydev->handle.name = joydev->name; 752 joydev->handle.name = dev_name(&joydev->dev);
752 joydev->handle.handler = handler; 753 joydev->handle.handler = handler;
753 joydev->handle.private = joydev; 754 joydev->handle.private = joydev;
754 755
@@ -797,7 +798,6 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
797 } 798 }
798 } 799 }
799 800
800 dev_set_name(&joydev->dev, joydev->name);
801 joydev->dev.devt = MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + minor); 801 joydev->dev.devt = MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + minor);
802 joydev->dev.class = &input_class; 802 joydev->dev.class = &input_class;
803 joydev->dev.parent = &dev->dev; 803 joydev->dev.parent = &dev->dev;
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index ea2638b41982..9d8f796c6745 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -250,6 +250,17 @@ config KEYBOARD_HP7XX
250 To compile this driver as a module, choose M here: the 250 To compile this driver as a module, choose M here: the
251 module will be called jornada720_kbd. 251 module will be called jornada720_kbd.
252 252
253config KEYBOARD_LM8323
254 tristate "LM8323 keypad chip"
255 depends on I2C
256 depends on LEDS_CLASS
257 help
258 If you say yes here you get support for the National Semiconductor
259 LM8323 keypad controller.
260
261 To compile this driver as a module, choose M here: the
262 module will be called lm8323.
263
253config KEYBOARD_OMAP 264config KEYBOARD_OMAP
254 tristate "TI OMAP keypad support" 265 tristate "TI OMAP keypad support"
255 depends on (ARCH_OMAP1 || ARCH_OMAP2) 266 depends on (ARCH_OMAP1 || ARCH_OMAP2)
@@ -332,4 +343,14 @@ config KEYBOARD_SH_KEYSC
332 343
333 To compile this driver as a module, choose M here: the 344 To compile this driver as a module, choose M here: the
334 module will be called sh_keysc. 345 module will be called sh_keysc.
346
347config KEYBOARD_EP93XX
348 tristate "EP93xx Matrix Keypad support"
349 depends on ARCH_EP93XX
350 help
351 Say Y here to enable the matrix keypad on the Cirrus EP93XX.
352
353 To compile this driver as a module, choose M here: the
354 module will be called ep93xx_keypad.
355
335endif 356endif
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index 36351e1190f9..156b647a259b 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -18,6 +18,7 @@ obj-$(CONFIG_KEYBOARD_SPITZ) += spitzkbd.o
18obj-$(CONFIG_KEYBOARD_TOSA) += tosakbd.o 18obj-$(CONFIG_KEYBOARD_TOSA) += tosakbd.o
19obj-$(CONFIG_KEYBOARD_HIL) += hil_kbd.o 19obj-$(CONFIG_KEYBOARD_HIL) += hil_kbd.o
20obj-$(CONFIG_KEYBOARD_HIL_OLD) += hilkbd.o 20obj-$(CONFIG_KEYBOARD_HIL_OLD) += hilkbd.o
21obj-$(CONFIG_KEYBOARD_LM8323) += lm8323.o
21obj-$(CONFIG_KEYBOARD_OMAP) += omap-keypad.o 22obj-$(CONFIG_KEYBOARD_OMAP) += omap-keypad.o
22obj-$(CONFIG_KEYBOARD_PXA27x) += pxa27x_keypad.o 23obj-$(CONFIG_KEYBOARD_PXA27x) += pxa27x_keypad.o
23obj-$(CONFIG_KEYBOARD_PXA930_ROTARY) += pxa930_rotary.o 24obj-$(CONFIG_KEYBOARD_PXA930_ROTARY) += pxa930_rotary.o
@@ -28,3 +29,4 @@ obj-$(CONFIG_KEYBOARD_HP7XX) += jornada720_kbd.o
28obj-$(CONFIG_KEYBOARD_MAPLE) += maple_keyb.o 29obj-$(CONFIG_KEYBOARD_MAPLE) += maple_keyb.o
29obj-$(CONFIG_KEYBOARD_BFIN) += bf54x-keys.o 30obj-$(CONFIG_KEYBOARD_BFIN) += bf54x-keys.o
30obj-$(CONFIG_KEYBOARD_SH_KEYSC) += sh_keysc.o 31obj-$(CONFIG_KEYBOARD_SH_KEYSC) += sh_keysc.o
32obj-$(CONFIG_KEYBOARD_EP93XX) += ep93xx_keypad.o
diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c
new file mode 100644
index 000000000000..181d30e3018e
--- /dev/null
+++ b/drivers/input/keyboard/ep93xx_keypad.c
@@ -0,0 +1,470 @@
1/*
2 * Driver for the Cirrus EP93xx matrix keypad controller.
3 *
4 * Copyright (c) 2008 H Hartley Sweeten <hsweeten@visionengravers.com>
5 *
6 * Based on the pxa27x matrix keypad controller by Rodolfo Giometti.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12 * NOTE:
13 *
14 * The 3-key reset is triggered by pressing the 3 keys in
15 * Row 0, Columns 2, 4, and 7 at the same time. This action can
16 * be disabled by setting the EP93XX_KEYPAD_DISABLE_3_KEY flag.
17 *
18 * Normal operation for the matrix does not autorepeat the key press.
19 * This action can be enabled by setting the EP93XX_KEYPAD_AUTOREPEAT
20 * flag.
21 */
22
23#include <linux/platform_device.h>
24#include <linux/interrupt.h>
25#include <linux/input.h>
26#include <linux/clk.h>
27
28#include <mach/hardware.h>
29#include <mach/gpio.h>
30#include <mach/ep93xx_keypad.h>
31
32/*
33 * Keypad Interface Register offsets
34 */
35#define KEY_INIT 0x00 /* Key Scan Initialization register */
36#define KEY_DIAG 0x04 /* Key Scan Diagnostic register */
37#define KEY_REG 0x08 /* Key Value Capture register */
38
39/* Key Scan Initialization Register bit defines */
40#define KEY_INIT_DBNC_MASK (0x00ff0000)
41#define KEY_INIT_DBNC_SHIFT (16)
42#define KEY_INIT_DIS3KY (1<<15)
43#define KEY_INIT_DIAG (1<<14)
44#define KEY_INIT_BACK (1<<13)
45#define KEY_INIT_T2 (1<<12)
46#define KEY_INIT_PRSCL_MASK (0x000003ff)
47#define KEY_INIT_PRSCL_SHIFT (0)
48
49/* Key Scan Diagnostic Register bit defines */
50#define KEY_DIAG_MASK (0x0000003f)
51#define KEY_DIAG_SHIFT (0)
52
53/* Key Value Capture Register bit defines */
54#define KEY_REG_K (1<<15)
55#define KEY_REG_INT (1<<14)
56#define KEY_REG_2KEYS (1<<13)
57#define KEY_REG_1KEY (1<<12)
58#define KEY_REG_KEY2_MASK (0x00000fc0)
59#define KEY_REG_KEY2_SHIFT (6)
60#define KEY_REG_KEY1_MASK (0x0000003f)
61#define KEY_REG_KEY1_SHIFT (0)
62
63#define keypad_readl(off) __raw_readl(keypad->mmio_base + (off))
64#define keypad_writel(v, off) __raw_writel((v), keypad->mmio_base + (off))
65
66#define MAX_MATRIX_KEY_NUM (MAX_MATRIX_KEY_ROWS * MAX_MATRIX_KEY_COLS)
67
68struct ep93xx_keypad {
69 struct ep93xx_keypad_platform_data *pdata;
70
71 struct clk *clk;
72 struct input_dev *input_dev;
73 void __iomem *mmio_base;
74
75 int irq;
76 int enabled;
77
78 int key1;
79 int key2;
80
81 unsigned int matrix_keycodes[MAX_MATRIX_KEY_NUM];
82};
83
84static void ep93xx_keypad_build_keycode(struct ep93xx_keypad *keypad)
85{
86 struct ep93xx_keypad_platform_data *pdata = keypad->pdata;
87 struct input_dev *input_dev = keypad->input_dev;
88 int i;
89
90 for (i = 0; i < pdata->matrix_key_map_size; i++) {
91 unsigned int key = pdata->matrix_key_map[i];
92 int row = (key >> 28) & 0xf;
93 int col = (key >> 24) & 0xf;
94 int code = key & 0xffffff;
95
96 keypad->matrix_keycodes[(row << 3) + col] = code;
97 __set_bit(code, input_dev->keybit);
98 }
99}
100
101static irqreturn_t ep93xx_keypad_irq_handler(int irq, void *dev_id)
102{
103 struct ep93xx_keypad *keypad = dev_id;
104 struct input_dev *input_dev = keypad->input_dev;
105 unsigned int status = keypad_readl(KEY_REG);
106 int keycode, key1, key2;
107
108 keycode = (status & KEY_REG_KEY1_MASK) >> KEY_REG_KEY1_SHIFT;
109 key1 = keypad->matrix_keycodes[keycode];
110
111 keycode = (status & KEY_REG_KEY2_MASK) >> KEY_REG_KEY2_SHIFT;
112 key2 = keypad->matrix_keycodes[keycode];
113
114 if (status & KEY_REG_2KEYS) {
115 if (keypad->key1 && key1 != keypad->key1 && key2 != keypad->key1)
116 input_report_key(input_dev, keypad->key1, 0);
117
118 if (keypad->key2 && key1 != keypad->key2 && key2 != keypad->key2)
119 input_report_key(input_dev, keypad->key2, 0);
120
121 input_report_key(input_dev, key1, 1);
122 input_report_key(input_dev, key2, 1);
123
124 keypad->key1 = key1;
125 keypad->key2 = key2;
126
127 } else if (status & KEY_REG_1KEY) {
128 if (keypad->key1 && key1 != keypad->key1)
129 input_report_key(input_dev, keypad->key1, 0);
130
131 if (keypad->key2 && key1 != keypad->key2)
132 input_report_key(input_dev, keypad->key2, 0);
133
134 input_report_key(input_dev, key1, 1);
135
136 keypad->key1 = key1;
137 keypad->key2 = 0;
138
139 } else {
140 input_report_key(input_dev, keypad->key1, 0);
141 input_report_key(input_dev, keypad->key2, 0);
142
143 keypad->key1 = keypad->key2 = 0;
144 }
145 input_sync(input_dev);
146
147 return IRQ_HANDLED;
148}
149
150static void ep93xx_keypad_config(struct ep93xx_keypad *keypad)
151{
152 struct ep93xx_keypad_platform_data *pdata = keypad->pdata;
153 unsigned int val = 0;
154
155 clk_set_rate(keypad->clk, pdata->flags & EP93XX_KEYPAD_KDIV);
156
157 if (pdata->flags & EP93XX_KEYPAD_DISABLE_3_KEY)
158 val |= KEY_INIT_DIS3KY;
159 if (pdata->flags & EP93XX_KEYPAD_DIAG_MODE)
160 val |= KEY_INIT_DIAG;
161 if (pdata->flags & EP93XX_KEYPAD_BACK_DRIVE)
162 val |= KEY_INIT_BACK;
163 if (pdata->flags & EP93XX_KEYPAD_TEST_MODE)
164 val |= KEY_INIT_T2;
165
166 val |= ((pdata->debounce << KEY_INIT_DBNC_SHIFT) & KEY_INIT_DBNC_MASK);
167
168 val |= ((pdata->prescale << KEY_INIT_PRSCL_SHIFT) & KEY_INIT_PRSCL_MASK);
169
170 keypad_writel(val, KEY_INIT);
171}
172
173static int ep93xx_keypad_open(struct input_dev *pdev)
174{
175 struct ep93xx_keypad *keypad = input_get_drvdata(pdev);
176
177 if (!keypad->enabled) {
178 ep93xx_keypad_config(keypad);
179 clk_enable(keypad->clk);
180 keypad->enabled = 1;
181 }
182
183 return 0;
184}
185
186static void ep93xx_keypad_close(struct input_dev *pdev)
187{
188 struct ep93xx_keypad *keypad = input_get_drvdata(pdev);
189
190 if (keypad->enabled) {
191 clk_disable(keypad->clk);
192 keypad->enabled = 0;
193 }
194}
195
196
197#ifdef CONFIG_PM
198/*
199 * NOTE: I don't know if this is correct, or will work on the ep93xx.
200 *
201 * None of the existing ep93xx drivers have power management support.
202 * But, this is basically what the pxa27x_keypad driver does.
203 */
204static int ep93xx_keypad_suspend(struct platform_device *pdev,
205 pm_message_t state)
206{
207 struct ep93xx_keypad *keypad = platform_get_drvdata(pdev);
208 struct input_dev *input_dev = keypad->input_dev;
209
210 mutex_lock(&input_dev->mutex);
211
212 if (keypad->enabled) {
213 clk_disable(keypad->clk);
214 keypad->enabled = 0;
215 }
216
217 mutex_unlock(&input_dev->mutex);
218
219 if (device_may_wakeup(&pdev->dev))
220 enable_irq_wake(keypad->irq);
221
222 return 0;
223}
224
225static int ep93xx_keypad_resume(struct platform_device *pdev)
226{
227 struct ep93xx_keypad *keypad = platform_get_drvdata(pdev);
228 struct input_dev *input_dev = keypad->input_dev;
229
230 if (device_may_wakeup(&pdev->dev))
231 disable_irq_wake(keypad->irq);
232
233 mutex_lock(&input_dev->mutex);
234
235 if (input_dev->users) {
236 if (!keypad->enabled) {
237 ep93xx_keypad_config(keypad);
238 clk_enable(keypad->clk);
239 keypad->enabled = 1;
240 }
241 }
242
243 mutex_unlock(&input_dev->mutex);
244
245 return 0;
246}
247#else /* !CONFIG_PM */
248#define ep93xx_keypad_suspend NULL
249#define ep93xx_keypad_resume NULL
250#endif /* !CONFIG_PM */
251
252static int __devinit ep93xx_keypad_probe(struct platform_device *pdev)
253{
254 struct ep93xx_keypad *keypad;
255 struct ep93xx_keypad_platform_data *pdata = pdev->dev.platform_data;
256 struct input_dev *input_dev;
257 struct resource *res;
258 int irq, err, i, gpio;
259
260 if (!pdata ||
261 !pdata->matrix_key_rows ||
262 pdata->matrix_key_rows > MAX_MATRIX_KEY_ROWS ||
263 !pdata->matrix_key_cols ||
264 pdata->matrix_key_cols > MAX_MATRIX_KEY_COLS) {
265 dev_err(&pdev->dev, "invalid or missing platform data\n");
266 return -EINVAL;
267 }
268
269 keypad = kzalloc(sizeof(struct ep93xx_keypad), GFP_KERNEL);
270 if (!keypad) {
271 dev_err(&pdev->dev, "failed to allocate driver data\n");
272 return -ENOMEM;
273 }
274
275 keypad->pdata = pdata;
276
277 irq = platform_get_irq(pdev, 0);
278 if (irq < 0) {
279 dev_err(&pdev->dev, "failed to get keypad irq\n");
280 err = -ENXIO;
281 goto failed_free;
282 }
283
284 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
285 if (!res) {
286 dev_err(&pdev->dev, "failed to get I/O memory\n");
287 err = -ENXIO;
288 goto failed_free;
289 }
290
291 res = request_mem_region(res->start, resource_size(res), pdev->name);
292 if (!res) {
293 dev_err(&pdev->dev, "failed to request I/O memory\n");
294 err = -EBUSY;
295 goto failed_free;
296 }
297
298 keypad->mmio_base = ioremap(res->start, resource_size(res));
299 if (keypad->mmio_base == NULL) {
300 dev_err(&pdev->dev, "failed to remap I/O memory\n");
301 err = -ENXIO;
302 goto failed_free_mem;
303 }
304
305 /* Request the needed GPIO's */
306 gpio = EP93XX_GPIO_LINE_ROW0;
307 for (i = 0; i < keypad->pdata->matrix_key_rows; i++, gpio++) {
308 err = gpio_request(gpio, pdev->name);
309 if (err) {
310 dev_err(&pdev->dev, "failed to request gpio-%d\n",
311 gpio);
312 goto failed_free_rows;
313 }
314 }
315
316 gpio = EP93XX_GPIO_LINE_COL0;
317 for (i = 0; i < keypad->pdata->matrix_key_cols; i++, gpio++) {
318 err = gpio_request(gpio, pdev->name);
319 if (err) {
320 dev_err(&pdev->dev, "failed to request gpio-%d\n",
321 gpio);
322 goto failed_free_cols;
323 }
324 }
325
326 keypad->clk = clk_get(&pdev->dev, "key_clk");
327 if (IS_ERR(keypad->clk)) {
328 dev_err(&pdev->dev, "failed to get keypad clock\n");
329 err = PTR_ERR(keypad->clk);
330 goto failed_free_io;
331 }
332
333 /* Create and register the input driver */
334 input_dev = input_allocate_device();
335 if (!input_dev) {
336 dev_err(&pdev->dev, "failed to allocate input device\n");
337 err = -ENOMEM;
338 goto failed_put_clk;
339 }
340
341 keypad->input_dev = input_dev;
342
343 input_dev->name = pdev->name;
344 input_dev->id.bustype = BUS_HOST;
345 input_dev->open = ep93xx_keypad_open;
346 input_dev->close = ep93xx_keypad_close;
347 input_dev->dev.parent = &pdev->dev;
348 input_dev->keycode = keypad->matrix_keycodes;
349 input_dev->keycodesize = sizeof(keypad->matrix_keycodes[0]);
350 input_dev->keycodemax = ARRAY_SIZE(keypad->matrix_keycodes);
351
352 input_set_drvdata(input_dev, keypad);
353
354 input_dev->evbit[0] = BIT_MASK(EV_KEY);
355 if (keypad->pdata->flags & EP93XX_KEYPAD_AUTOREPEAT)
356 input_dev->evbit[0] |= BIT_MASK(EV_REP);
357
358 ep93xx_keypad_build_keycode(keypad);
359 platform_set_drvdata(pdev, keypad);
360
361 err = request_irq(irq, ep93xx_keypad_irq_handler, IRQF_DISABLED,
362 pdev->name, keypad);
363 if (err) {
364 dev_err(&pdev->dev, "failed to request IRQ\n");
365 goto failed_free_dev;
366 }
367
368 keypad->irq = irq;
369
370 /* Register the input device */
371 err = input_register_device(input_dev);
372 if (err) {
373 dev_err(&pdev->dev, "failed to register input device\n");
374 goto failed_free_irq;
375 }
376
377 device_init_wakeup(&pdev->dev, 1);
378
379 return 0;
380
381failed_free_irq:
382 free_irq(irq, pdev);
383 platform_set_drvdata(pdev, NULL);
384failed_free_dev:
385 input_free_device(input_dev);
386failed_put_clk:
387 clk_put(keypad->clk);
388failed_free_io:
389 i = keypad->pdata->matrix_key_cols - 1;
390 gpio = EP93XX_GPIO_LINE_COL0 + i;
391failed_free_cols:
392 for ( ; i >= 0; i--, gpio--)
393 gpio_free(gpio);
394 i = keypad->pdata->matrix_key_rows - 1;
395 gpio = EP93XX_GPIO_LINE_ROW0 + i;
396failed_free_rows:
397 for ( ; i >= 0; i--, gpio--)
398 gpio_free(gpio);
399 iounmap(keypad->mmio_base);
400failed_free_mem:
401 release_mem_region(res->start, resource_size(res));
402failed_free:
403 kfree(keypad);
404 return err;
405}
406
407static int __devexit ep93xx_keypad_remove(struct platform_device *pdev)
408{
409 struct ep93xx_keypad *keypad = platform_get_drvdata(pdev);
410 struct resource *res;
411 int i, gpio;
412
413 free_irq(keypad->irq, pdev);
414
415 platform_set_drvdata(pdev, NULL);
416
417 if (keypad->enabled)
418 clk_disable(keypad->clk);
419 clk_put(keypad->clk);
420
421 input_unregister_device(keypad->input_dev);
422
423 i = keypad->pdata->matrix_key_cols - 1;
424 gpio = EP93XX_GPIO_LINE_COL0 + i;
425 for ( ; i >= 0; i--, gpio--)
426 gpio_free(gpio);
427
428 i = keypad->pdata->matrix_key_rows - 1;
429 gpio = EP93XX_GPIO_LINE_ROW0 + i;
430 for ( ; i >= 0; i--, gpio--)
431 gpio_free(gpio);
432
433 iounmap(keypad->mmio_base);
434
435 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
436 release_mem_region(res->start, resource_size(res));
437
438 kfree(keypad);
439
440 return 0;
441}
442
443static struct platform_driver ep93xx_keypad_driver = {
444 .driver = {
445 .name = "ep93xx-keypad",
446 .owner = THIS_MODULE,
447 },
448 .probe = ep93xx_keypad_probe,
449 .remove = __devexit_p(ep93xx_keypad_remove),
450 .suspend = ep93xx_keypad_suspend,
451 .resume = ep93xx_keypad_resume,
452};
453
454static int __init ep93xx_keypad_init(void)
455{
456 return platform_driver_register(&ep93xx_keypad_driver);
457}
458
459static void __exit ep93xx_keypad_exit(void)
460{
461 platform_driver_unregister(&ep93xx_keypad_driver);
462}
463
464module_init(ep93xx_keypad_init);
465module_exit(ep93xx_keypad_exit);
466
467MODULE_LICENSE("GPL");
468MODULE_AUTHOR("H Hartley Sweeten <hsweeten@visionengravers.com>");
469MODULE_DESCRIPTION("EP93xx Matrix Keypad Controller");
470MODULE_ALIAS("platform:ep93xx-keypad");
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index ad67d763fdbd..9767213b6c8f 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -142,8 +142,7 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
142 } 142 }
143 143
144 error = request_irq(irq, gpio_keys_isr, 144 error = request_irq(irq, gpio_keys_isr,
145 IRQF_SAMPLE_RANDOM | IRQF_TRIGGER_RISING | 145 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
146 IRQF_TRIGGER_FALLING,
147 button->desc ? button->desc : "gpio_keys", 146 button->desc ? button->desc : "gpio_keys",
148 bdata); 147 bdata);
149 if (error) { 148 if (error) {
diff --git a/drivers/input/keyboard/lm8323.c b/drivers/input/keyboard/lm8323.c
new file mode 100644
index 000000000000..574eda2a4957
--- /dev/null
+++ b/drivers/input/keyboard/lm8323.c
@@ -0,0 +1,878 @@
1/*
2 * drivers/i2c/chips/lm8323.c
3 *
4 * Copyright (C) 2007-2009 Nokia Corporation
5 *
6 * Written by Daniel Stone <daniel.stone@nokia.com>
7 * Timo O. Karjalainen <timo.o.karjalainen@nokia.com>
8 *
9 * Updated by Felipe Balbi <felipe.balbi@nokia.com>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation (version 2 of the License only).
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 */
24
25#include <linux/module.h>
26#include <linux/i2c.h>
27#include <linux/interrupt.h>
28#include <linux/sched.h>
29#include <linux/mutex.h>
30#include <linux/delay.h>
31#include <linux/input.h>
32#include <linux/leds.h>
33#include <linux/i2c/lm8323.h>
34
35/* Commands to send to the chip. */
36#define LM8323_CMD_READ_ID 0x80 /* Read chip ID. */
37#define LM8323_CMD_WRITE_CFG 0x81 /* Set configuration item. */
38#define LM8323_CMD_READ_INT 0x82 /* Get interrupt status. */
39#define LM8323_CMD_RESET 0x83 /* Reset, same as external one */
40#define LM8323_CMD_WRITE_PORT_SEL 0x85 /* Set GPIO in/out. */
41#define LM8323_CMD_WRITE_PORT_STATE 0x86 /* Set GPIO pullup. */
42#define LM8323_CMD_READ_PORT_SEL 0x87 /* Get GPIO in/out. */
43#define LM8323_CMD_READ_PORT_STATE 0x88 /* Get GPIO pullup. */
44#define LM8323_CMD_READ_FIFO 0x89 /* Read byte from FIFO. */
45#define LM8323_CMD_RPT_READ_FIFO 0x8a /* Read FIFO (no increment). */
46#define LM8323_CMD_SET_ACTIVE 0x8b /* Set active time. */
47#define LM8323_CMD_READ_ERR 0x8c /* Get error status. */
48#define LM8323_CMD_READ_ROTATOR 0x8e /* Read rotator status. */
49#define LM8323_CMD_SET_DEBOUNCE 0x8f /* Set debouncing time. */
50#define LM8323_CMD_SET_KEY_SIZE 0x90 /* Set keypad size. */
51#define LM8323_CMD_READ_KEY_SIZE 0x91 /* Get keypad size. */
52#define LM8323_CMD_READ_CFG 0x92 /* Get configuration item. */
53#define LM8323_CMD_WRITE_CLOCK 0x93 /* Set clock config. */
54#define LM8323_CMD_READ_CLOCK 0x94 /* Get clock config. */
55#define LM8323_CMD_PWM_WRITE 0x95 /* Write PWM script. */
56#define LM8323_CMD_START_PWM 0x96 /* Start PWM engine. */
57#define LM8323_CMD_STOP_PWM 0x97 /* Stop PWM engine. */
58
59/* Interrupt status. */
60#define INT_KEYPAD 0x01 /* Key event. */
61#define INT_ROTATOR 0x02 /* Rotator event. */
62#define INT_ERROR 0x08 /* Error: use CMD_READ_ERR. */
63#define INT_NOINIT 0x10 /* Lost configuration. */
64#define INT_PWM1 0x20 /* PWM1 stopped. */
65#define INT_PWM2 0x40 /* PWM2 stopped. */
66#define INT_PWM3 0x80 /* PWM3 stopped. */
67
68/* Errors (signalled by INT_ERROR, read with CMD_READ_ERR). */
69#define ERR_BADPAR 0x01 /* Bad parameter. */
70#define ERR_CMDUNK 0x02 /* Unknown command. */
71#define ERR_KEYOVR 0x04 /* Too many keys pressed. */
72#define ERR_FIFOOVER 0x40 /* FIFO overflow. */
73
74/* Configuration keys (CMD_{WRITE,READ}_CFG). */
75#define CFG_MUX1SEL 0x01 /* Select MUX1_OUT input. */
76#define CFG_MUX1EN 0x02 /* Enable MUX1_OUT. */
77#define CFG_MUX2SEL 0x04 /* Select MUX2_OUT input. */
78#define CFG_MUX2EN 0x08 /* Enable MUX2_OUT. */
79#define CFG_PSIZE 0x20 /* Package size (must be 0). */
80#define CFG_ROTEN 0x40 /* Enable rotator. */
81
82/* Clock settings (CMD_{WRITE,READ}_CLOCK). */
83#define CLK_RCPWM_INTERNAL 0x00
84#define CLK_RCPWM_EXTERNAL 0x03
85#define CLK_SLOWCLKEN 0x08 /* Enable 32.768kHz clock. */
86#define CLK_SLOWCLKOUT 0x40 /* Enable slow pulse output. */
87
88/* The possible addresses corresponding to CONFIG1 and CONFIG2 pin wirings. */
89#define LM8323_I2C_ADDR00 (0x84 >> 1) /* 1000 010x */
90#define LM8323_I2C_ADDR01 (0x86 >> 1) /* 1000 011x */
91#define LM8323_I2C_ADDR10 (0x88 >> 1) /* 1000 100x */
92#define LM8323_I2C_ADDR11 (0x8A >> 1) /* 1000 101x */
93
94/* Key event fifo length */
95#define LM8323_FIFO_LEN 15
96
97/* Commands for PWM engine; feed in with PWM_WRITE. */
98/* Load ramp counter from duty cycle field (range 0 - 0xff). */
99#define PWM_SET(v) (0x4000 | ((v) & 0xff))
100/* Go to start of script. */
101#define PWM_GOTOSTART 0x0000
102/*
103 * Stop engine (generates interrupt). If reset is 1, clear the program
104 * counter, else leave it.
105 */
106#define PWM_END(reset) (0xc000 | (!!(reset) << 11))
107/*
108 * Ramp. If s is 1, divide clock by 512, else divide clock by 16.
109 * Take t clock scales (up to 63) per step, for n steps (up to 126).
110 * If u is set, ramp up, else ramp down.
111 */
112#define PWM_RAMP(s, t, n, u) ((!!(s) << 14) | ((t) & 0x3f) << 8 | \
113 ((n) & 0x7f) | ((u) ? 0 : 0x80))
114/*
115 * Loop (i.e. jump back to pos) for a given number of iterations (up to 63).
116 * If cnt is zero, execute until PWM_END is encountered.
117 */
118#define PWM_LOOP(cnt, pos) (0xa000 | (((cnt) & 0x3f) << 7) | \
119 ((pos) & 0x3f))
120/*
121 * Wait for trigger. Argument is a mask of channels, shifted by the channel
122 * number, e.g. 0xa for channels 3 and 1. Note that channels are numbered
123 * from 1, not 0.
124 */
125#define PWM_WAIT_TRIG(chans) (0xe000 | (((chans) & 0x7) << 6))
126/* Send trigger. Argument is same as PWM_WAIT_TRIG. */
127#define PWM_SEND_TRIG(chans) (0xe000 | ((chans) & 0x7))
128
129struct lm8323_pwm {
130 int id;
131 int fade_time;
132 int brightness;
133 int desired_brightness;
134 bool enabled;
135 bool running;
136 /* pwm lock */
137 struct mutex lock;
138 struct work_struct work;
139 struct led_classdev cdev;
140 struct lm8323_chip *chip;
141};
142
143struct lm8323_chip {
144 /* device lock */
145 struct mutex lock;
146 struct i2c_client *client;
147 struct work_struct work;
148 struct input_dev *idev;
149 bool kp_enabled;
150 bool pm_suspend;
151 unsigned keys_down;
152 char phys[32];
153 unsigned short keymap[LM8323_KEYMAP_SIZE];
154 int size_x;
155 int size_y;
156 int debounce_time;
157 int active_time;
158 struct lm8323_pwm pwm[LM8323_NUM_PWMS];
159};
160
161#define client_to_lm8323(c) container_of(c, struct lm8323_chip, client)
162#define dev_to_lm8323(d) container_of(d, struct lm8323_chip, client->dev)
163#define work_to_lm8323(w) container_of(w, struct lm8323_chip, work)
164#define cdev_to_pwm(c) container_of(c, struct lm8323_pwm, cdev)
165#define work_to_pwm(w) container_of(w, struct lm8323_pwm, work)
166
167#define LM8323_MAX_DATA 8
168
169/*
170 * To write, we just access the chip's address in write mode, and dump the
171 * command and data out on the bus. The command byte and data are taken as
172 * sequential u8s out of varargs, to a maximum of LM8323_MAX_DATA.
173 */
174static int lm8323_write(struct lm8323_chip *lm, int len, ...)
175{
176 int ret, i;
177 va_list ap;
178 u8 data[LM8323_MAX_DATA];
179
180 va_start(ap, len);
181
182 if (unlikely(len > LM8323_MAX_DATA)) {
183 dev_err(&lm->client->dev, "tried to send %d bytes\n", len);
184 va_end(ap);
185 return 0;
186 }
187
188 for (i = 0; i < len; i++)
189 data[i] = va_arg(ap, int);
190
191 va_end(ap);
192
193 /*
194 * If the host is asleep while we send the data, we can get a NACK
195 * back while it wakes up, so try again, once.
196 */
197 ret = i2c_master_send(lm->client, data, len);
198 if (unlikely(ret == -EREMOTEIO))
199 ret = i2c_master_send(lm->client, data, len);
200 if (unlikely(ret != len))
201 dev_err(&lm->client->dev, "sent %d bytes of %d total\n",
202 len, ret);
203
204 return ret;
205}
206
207/*
208 * To read, we first send the command byte to the chip and end the transaction,
209 * then access the chip in read mode, at which point it will send the data.
210 */
211static int lm8323_read(struct lm8323_chip *lm, u8 cmd, u8 *buf, int len)
212{
213 int ret;
214
215 /*
216 * If the host is asleep while we send the byte, we can get a NACK
217 * back while it wakes up, so try again, once.
218 */
219 ret = i2c_master_send(lm->client, &cmd, 1);
220 if (unlikely(ret == -EREMOTEIO))
221 ret = i2c_master_send(lm->client, &cmd, 1);
222 if (unlikely(ret != 1)) {
223 dev_err(&lm->client->dev, "sending read cmd 0x%02x failed\n",
224 cmd);
225 return 0;
226 }
227
228 ret = i2c_master_recv(lm->client, buf, len);
229 if (unlikely(ret != len))
230 dev_err(&lm->client->dev, "wanted %d bytes, got %d\n",
231 len, ret);
232
233 return ret;
234}
235
236/*
237 * Set the chip active time (idle time before it enters halt).
238 */
239static void lm8323_set_active_time(struct lm8323_chip *lm, int time)
240{
241 lm8323_write(lm, 2, LM8323_CMD_SET_ACTIVE, time >> 2);
242}
243
244/*
245 * The signals are AT-style: the low 7 bits are the keycode, and the top
246 * bit indicates the state (1 for down, 0 for up).
247 */
248static inline u8 lm8323_whichkey(u8 event)
249{
250 return event & 0x7f;
251}
252
253static inline int lm8323_ispress(u8 event)
254{
255 return (event & 0x80) ? 1 : 0;
256}
257
258static void process_keys(struct lm8323_chip *lm)
259{
260 u8 event;
261 u8 key_fifo[LM8323_FIFO_LEN + 1];
262 int old_keys_down = lm->keys_down;
263 int ret;
264 int i = 0;
265
266 /*
267 * Read all key events from the FIFO at once. Next READ_FIFO clears the
268 * FIFO even if we didn't read all events previously.
269 */
270 ret = lm8323_read(lm, LM8323_CMD_READ_FIFO, key_fifo, LM8323_FIFO_LEN);
271
272 if (ret < 0) {
273 dev_err(&lm->client->dev, "Failed reading fifo \n");
274 return;
275 }
276 key_fifo[ret] = 0;
277
278 while ((event = key_fifo[i++])) {
279 u8 key = lm8323_whichkey(event);
280 int isdown = lm8323_ispress(event);
281 unsigned short keycode = lm->keymap[key];
282
283 dev_vdbg(&lm->client->dev, "key 0x%02x %s\n",
284 key, isdown ? "down" : "up");
285
286 if (lm->kp_enabled) {
287 input_event(lm->idev, EV_MSC, MSC_SCAN, key);
288 input_report_key(lm->idev, keycode, isdown);
289 input_sync(lm->idev);
290 }
291
292 if (isdown)
293 lm->keys_down++;
294 else
295 lm->keys_down--;
296 }
297
298 /*
299 * Errata: We need to ensure that the chip never enters halt mode
300 * during a keypress, so set active time to 0. When it's released,
301 * we can enter halt again, so set the active time back to normal.
302 */
303 if (!old_keys_down && lm->keys_down)
304 lm8323_set_active_time(lm, 0);
305 if (old_keys_down && !lm->keys_down)
306 lm8323_set_active_time(lm, lm->active_time);
307}
308
309static void lm8323_process_error(struct lm8323_chip *lm)
310{
311 u8 error;
312
313 if (lm8323_read(lm, LM8323_CMD_READ_ERR, &error, 1) == 1) {
314 if (error & ERR_FIFOOVER)
315 dev_vdbg(&lm->client->dev, "fifo overflow!\n");
316 if (error & ERR_KEYOVR)
317 dev_vdbg(&lm->client->dev,
318 "more than two keys pressed\n");
319 if (error & ERR_CMDUNK)
320 dev_vdbg(&lm->client->dev,
321 "unknown command submitted\n");
322 if (error & ERR_BADPAR)
323 dev_vdbg(&lm->client->dev, "bad command parameter\n");
324 }
325}
326
327static void lm8323_reset(struct lm8323_chip *lm)
328{
329 /* The docs say we must pass 0xAA as the data byte. */
330 lm8323_write(lm, 2, LM8323_CMD_RESET, 0xAA);
331}
332
333static int lm8323_configure(struct lm8323_chip *lm)
334{
335 int keysize = (lm->size_x << 4) | lm->size_y;
336 int clock = (CLK_SLOWCLKEN | CLK_RCPWM_EXTERNAL);
337 int debounce = lm->debounce_time >> 2;
338 int active = lm->active_time >> 2;
339
340 /*
341 * Active time must be greater than the debounce time: if it's
342 * a close-run thing, give ourselves a 12ms buffer.
343 */
344 if (debounce >= active)
345 active = debounce + 3;
346
347 lm8323_write(lm, 2, LM8323_CMD_WRITE_CFG, 0);
348 lm8323_write(lm, 2, LM8323_CMD_WRITE_CLOCK, clock);
349 lm8323_write(lm, 2, LM8323_CMD_SET_KEY_SIZE, keysize);
350 lm8323_set_active_time(lm, lm->active_time);
351 lm8323_write(lm, 2, LM8323_CMD_SET_DEBOUNCE, debounce);
352 lm8323_write(lm, 3, LM8323_CMD_WRITE_PORT_STATE, 0xff, 0xff);
353 lm8323_write(lm, 3, LM8323_CMD_WRITE_PORT_SEL, 0, 0);
354
355 /*
356 * Not much we can do about errors at this point, so just hope
357 * for the best.
358 */
359
360 return 0;
361}
362
363static void pwm_done(struct lm8323_pwm *pwm)
364{
365 mutex_lock(&pwm->lock);
366 pwm->running = false;
367 if (pwm->desired_brightness != pwm->brightness)
368 schedule_work(&pwm->work);
369 mutex_unlock(&pwm->lock);
370}
371
372/*
373 * Bottom half: handle the interrupt by posting key events, or dealing with
374 * errors appropriately.
375 */
376static void lm8323_work(struct work_struct *work)
377{
378 struct lm8323_chip *lm = work_to_lm8323(work);
379 u8 ints;
380 int i;
381
382 mutex_lock(&lm->lock);
383
384 while ((lm8323_read(lm, LM8323_CMD_READ_INT, &ints, 1) == 1) && ints) {
385 if (likely(ints & INT_KEYPAD))
386 process_keys(lm);
387 if (ints & INT_ROTATOR) {
388 /* We don't currently support the rotator. */
389 dev_vdbg(&lm->client->dev, "rotator fired\n");
390 }
391 if (ints & INT_ERROR) {
392 dev_vdbg(&lm->client->dev, "error!\n");
393 lm8323_process_error(lm);
394 }
395 if (ints & INT_NOINIT) {
396 dev_err(&lm->client->dev, "chip lost config; "
397 "reinitialising\n");
398 lm8323_configure(lm);
399 }
400 for (i = 0; i < LM8323_NUM_PWMS; i++) {
401 if (ints & (1 << (INT_PWM1 + i))) {
402 dev_vdbg(&lm->client->dev,
403 "pwm%d engine completed\n", i);
404 pwm_done(&lm->pwm[i]);
405 }
406 }
407 }
408
409 mutex_unlock(&lm->lock);
410}
411
412/*
413 * We cannot use I2C in interrupt context, so we just schedule work.
414 */
415static irqreturn_t lm8323_irq(int irq, void *data)
416{
417 struct lm8323_chip *lm = data;
418
419 schedule_work(&lm->work);
420
421 return IRQ_HANDLED;
422}
423
424/*
425 * Read the chip ID.
426 */
427static int lm8323_read_id(struct lm8323_chip *lm, u8 *buf)
428{
429 int bytes;
430
431 bytes = lm8323_read(lm, LM8323_CMD_READ_ID, buf, 2);
432 if (unlikely(bytes != 2))
433 return -EIO;
434
435 return 0;
436}
437
438static void lm8323_write_pwm_one(struct lm8323_pwm *pwm, int pos, u16 cmd)
439{
440 lm8323_write(pwm->chip, 4, LM8323_CMD_PWM_WRITE, (pos << 2) | pwm->id,
441 (cmd & 0xff00) >> 8, cmd & 0x00ff);
442}
443
444/*
445 * Write a script into a given PWM engine, concluding with PWM_END.
446 * If 'kill' is nonzero, the engine will be shut down at the end
447 * of the script, producing a zero output. Otherwise the engine
448 * will be kept running at the final PWM level indefinitely.
449 */
450static void lm8323_write_pwm(struct lm8323_pwm *pwm, int kill,
451 int len, const u16 *cmds)
452{
453 int i;
454
455 for (i = 0; i < len; i++)
456 lm8323_write_pwm_one(pwm, i, cmds[i]);
457
458 lm8323_write_pwm_one(pwm, i++, PWM_END(kill));
459 lm8323_write(pwm->chip, 2, LM8323_CMD_START_PWM, pwm->id);
460 pwm->running = true;
461}
462
463static void lm8323_pwm_work(struct work_struct *work)
464{
465 struct lm8323_pwm *pwm = work_to_pwm(work);
466 int div512, perstep, steps, hz, up, kill;
467 u16 pwm_cmds[3];
468 int num_cmds = 0;
469
470 mutex_lock(&pwm->lock);
471
472 /*
473 * Do nothing if we're already at the requested level,
474 * or previous setting is not yet complete. In the latter
475 * case we will be called again when the previous PWM script
476 * finishes.
477 */
478 if (pwm->running || pwm->desired_brightness == pwm->brightness)
479 goto out;
480
481 kill = (pwm->desired_brightness == 0);
482 up = (pwm->desired_brightness > pwm->brightness);
483 steps = abs(pwm->desired_brightness - pwm->brightness);
484
485 /*
486 * Convert time (in ms) into a divisor (512 or 16 on a refclk of
487 * 32768Hz), and number of ticks per step.
488 */
489 if ((pwm->fade_time / steps) > (32768 / 512)) {
490 div512 = 1;
491 hz = 32768 / 512;
492 } else {
493 div512 = 0;
494 hz = 32768 / 16;
495 }
496
497 perstep = (hz * pwm->fade_time) / (steps * 1000);
498
499 if (perstep == 0)
500 perstep = 1;
501 else if (perstep > 63)
502 perstep = 63;
503
504 while (steps) {
505 int s;
506
507 s = min(126, steps);
508 pwm_cmds[num_cmds++] = PWM_RAMP(div512, perstep, s, up);
509 steps -= s;
510 }
511
512 lm8323_write_pwm(pwm, kill, num_cmds, pwm_cmds);
513 pwm->brightness = pwm->desired_brightness;
514
515 out:
516 mutex_unlock(&pwm->lock);
517}
518
519static void lm8323_pwm_set_brightness(struct led_classdev *led_cdev,
520 enum led_brightness brightness)
521{
522 struct lm8323_pwm *pwm = cdev_to_pwm(led_cdev);
523 struct lm8323_chip *lm = pwm->chip;
524
525 mutex_lock(&pwm->lock);
526 pwm->desired_brightness = brightness;
527 mutex_unlock(&pwm->lock);
528
529 if (in_interrupt()) {
530 schedule_work(&pwm->work);
531 } else {
532 /*
533 * Schedule PWM work as usual unless we are going into suspend
534 */
535 mutex_lock(&lm->lock);
536 if (likely(!lm->pm_suspend))
537 schedule_work(&pwm->work);
538 else
539 lm8323_pwm_work(&pwm->work);
540 mutex_unlock(&lm->lock);
541 }
542}
543
544static ssize_t lm8323_pwm_show_time(struct device *dev,
545 struct device_attribute *attr, char *buf)
546{
547 struct led_classdev *led_cdev = dev_get_drvdata(dev);
548 struct lm8323_pwm *pwm = cdev_to_pwm(led_cdev);
549
550 return sprintf(buf, "%d\n", pwm->fade_time);
551}
552
553static ssize_t lm8323_pwm_store_time(struct device *dev,
554 struct device_attribute *attr, const char *buf, size_t len)
555{
556 struct led_classdev *led_cdev = dev_get_drvdata(dev);
557 struct lm8323_pwm *pwm = cdev_to_pwm(led_cdev);
558 int ret;
559 unsigned long time;
560
561 ret = strict_strtoul(buf, 10, &time);
562 /* Numbers only, please. */
563 if (ret)
564 return -EINVAL;
565
566 pwm->fade_time = time;
567
568 return strlen(buf);
569}
570static DEVICE_ATTR(time, 0644, lm8323_pwm_show_time, lm8323_pwm_store_time);
571
572static int init_pwm(struct lm8323_chip *lm, int id, struct device *dev,
573 const char *name)
574{
575 struct lm8323_pwm *pwm;
576
577 BUG_ON(id > 3);
578
579 pwm = &lm->pwm[id - 1];
580
581 pwm->id = id;
582 pwm->fade_time = 0;
583 pwm->brightness = 0;
584 pwm->desired_brightness = 0;
585 pwm->running = false;
586 pwm->enabled = false;
587 INIT_WORK(&pwm->work, lm8323_pwm_work);
588 mutex_init(&pwm->lock);
589 pwm->chip = lm;
590
591 if (name) {
592 pwm->cdev.name = name;
593 pwm->cdev.brightness_set = lm8323_pwm_set_brightness;
594 if (led_classdev_register(dev, &pwm->cdev) < 0) {
595 dev_err(dev, "couldn't register PWM %d\n", id);
596 return -1;
597 }
598 if (device_create_file(pwm->cdev.dev,
599 &dev_attr_time) < 0) {
600 dev_err(dev, "couldn't register time attribute\n");
601 led_classdev_unregister(&pwm->cdev);
602 return -1;
603 }
604 pwm->enabled = true;
605 }
606
607 return 0;
608}
609
610static struct i2c_driver lm8323_i2c_driver;
611
612static ssize_t lm8323_show_disable(struct device *dev,
613 struct device_attribute *attr, char *buf)
614{
615 struct lm8323_chip *lm = dev_get_drvdata(dev);
616
617 return sprintf(buf, "%u\n", !lm->kp_enabled);
618}
619
620static ssize_t lm8323_set_disable(struct device *dev,
621 struct device_attribute *attr,
622 const char *buf, size_t count)
623{
624 struct lm8323_chip *lm = dev_get_drvdata(dev);
625 int ret;
626 unsigned long i;
627
628 ret = strict_strtoul(buf, 10, &i);
629
630 mutex_lock(&lm->lock);
631 lm->kp_enabled = !i;
632 mutex_unlock(&lm->lock);
633
634 return count;
635}
636static DEVICE_ATTR(disable_kp, 0644, lm8323_show_disable, lm8323_set_disable);
637
638static int __devinit lm8323_probe(struct i2c_client *client,
639 const struct i2c_device_id *id)
640{
641 struct lm8323_platform_data *pdata = client->dev.platform_data;
642 struct input_dev *idev;
643 struct lm8323_chip *lm;
644 int i, err;
645 unsigned long tmo;
646 u8 data[2];
647
648 if (!pdata || !pdata->size_x || !pdata->size_y) {
649 dev_err(&client->dev, "missing platform_data\n");
650 return -EINVAL;
651 }
652
653 if (pdata->size_x > 8) {
654 dev_err(&client->dev, "invalid x size %d specified\n",
655 pdata->size_x);
656 return -EINVAL;
657 }
658
659 if (pdata->size_y > 12) {
660 dev_err(&client->dev, "invalid y size %d specified\n",
661 pdata->size_y);
662 return -EINVAL;
663 }
664
665 lm = kzalloc(sizeof *lm, GFP_KERNEL);
666 idev = input_allocate_device();
667 if (!lm || !idev) {
668 err = -ENOMEM;
669 goto fail1;
670 }
671
672 i2c_set_clientdata(client, lm);
673
674 lm->client = client;
675 lm->idev = idev;
676 mutex_init(&lm->lock);
677 INIT_WORK(&lm->work, lm8323_work);
678
679 lm->size_x = pdata->size_x;
680 lm->size_y = pdata->size_y;
681 dev_vdbg(&client->dev, "Keypad size: %d x %d\n",
682 lm->size_x, lm->size_y);
683
684 lm->debounce_time = pdata->debounce_time;
685 lm->active_time = pdata->active_time;
686
687 lm8323_reset(lm);
688
689 /* Nothing's set up to service the IRQ yet, so just spin for max.
690 * 100ms until we can configure. */
691 tmo = jiffies + msecs_to_jiffies(100);
692 while (lm8323_read(lm, LM8323_CMD_READ_INT, data, 1) == 1) {
693 if (data[0] & INT_NOINIT)
694 break;
695
696 if (time_after(jiffies, tmo)) {
697 dev_err(&client->dev,
698 "timeout waiting for initialisation\n");
699 break;
700 }
701
702 msleep(1);
703 }
704
705 lm8323_configure(lm);
706
707 /* If a true probe check the device */
708 if (lm8323_read_id(lm, data) != 0) {
709 dev_err(&client->dev, "device not found\n");
710 err = -ENODEV;
711 goto fail1;
712 }
713
714 for (i = 0; i < LM8323_NUM_PWMS; i++) {
715 err = init_pwm(lm, i + 1, &client->dev, pdata->pwm_names[i]);
716 if (err < 0)
717 goto fail2;
718 }
719
720 lm->kp_enabled = true;
721 err = device_create_file(&client->dev, &dev_attr_disable_kp);
722 if (err < 0)
723 goto fail2;
724
725 idev->name = pdata->name ? : "LM8323 keypad";
726 snprintf(lm->phys, sizeof(lm->phys),
727 "%s/input-kp", dev_name(&client->dev));
728 idev->phys = lm->phys;
729
730 idev->evbit[0] = BIT(EV_KEY) | BIT(EV_MSC);
731 __set_bit(MSC_SCAN, idev->mscbit);
732 for (i = 0; i < LM8323_KEYMAP_SIZE; i++) {
733 __set_bit(pdata->keymap[i], idev->keybit);
734 lm->keymap[i] = pdata->keymap[i];
735 }
736 __clear_bit(KEY_RESERVED, idev->keybit);
737
738 if (pdata->repeat)
739 __set_bit(EV_REP, idev->evbit);
740
741 err = input_register_device(idev);
742 if (err) {
743 dev_dbg(&client->dev, "error registering input device\n");
744 goto fail3;
745 }
746
747 err = request_irq(client->irq, lm8323_irq,
748 IRQF_TRIGGER_FALLING | IRQF_DISABLED,
749 "lm8323", lm);
750 if (err) {
751 dev_err(&client->dev, "could not get IRQ %d\n", client->irq);
752 goto fail4;
753 }
754
755 device_init_wakeup(&client->dev, 1);
756 enable_irq_wake(client->irq);
757
758 return 0;
759
760fail4:
761 input_unregister_device(idev);
762 idev = NULL;
763fail3:
764 device_remove_file(&client->dev, &dev_attr_disable_kp);
765fail2:
766 while (--i >= 0)
767 if (lm->pwm[i].enabled)
768 led_classdev_unregister(&lm->pwm[i].cdev);
769fail1:
770 input_free_device(idev);
771 kfree(lm);
772 return err;
773}
774
775static int __devexit lm8323_remove(struct i2c_client *client)
776{
777 struct lm8323_chip *lm = i2c_get_clientdata(client);
778 int i;
779
780 disable_irq_wake(client->irq);
781 free_irq(client->irq, lm);
782 cancel_work_sync(&lm->work);
783
784 input_unregister_device(lm->idev);
785
786 device_remove_file(&lm->client->dev, &dev_attr_disable_kp);
787
788 for (i = 0; i < 3; i++)
789 if (lm->pwm[i].enabled)
790 led_classdev_unregister(&lm->pwm[i].cdev);
791
792 kfree(lm);
793
794 return 0;
795}
796
797#ifdef CONFIG_PM
798/*
799 * We don't need to explicitly suspend the chip, as it already switches off
800 * when there's no activity.
801 */
802static int lm8323_suspend(struct i2c_client *client, pm_message_t mesg)
803{
804 struct lm8323_chip *lm = i2c_get_clientdata(client);
805 int i;
806
807 set_irq_wake(client->irq, 0);
808 disable_irq(client->irq);
809
810 mutex_lock(&lm->lock);
811 lm->pm_suspend = true;
812 mutex_unlock(&lm->lock);
813
814 for (i = 0; i < 3; i++)
815 if (lm->pwm[i].enabled)
816 led_classdev_suspend(&lm->pwm[i].cdev);
817
818 return 0;
819}
820
821static int lm8323_resume(struct i2c_client *client)
822{
823 struct lm8323_chip *lm = i2c_get_clientdata(client);
824 int i;
825
826 mutex_lock(&lm->lock);
827 lm->pm_suspend = false;
828 mutex_unlock(&lm->lock);
829
830 for (i = 0; i < 3; i++)
831 if (lm->pwm[i].enabled)
832 led_classdev_resume(&lm->pwm[i].cdev);
833
834 enable_irq(client->irq);
835 set_irq_wake(client->irq, 1);
836
837 return 0;
838}
839#else
840#define lm8323_suspend NULL
841#define lm8323_resume NULL
842#endif
843
844static const struct i2c_device_id lm8323_id[] = {
845 { "lm8323", 0 },
846 { }
847};
848
849static struct i2c_driver lm8323_i2c_driver = {
850 .driver = {
851 .name = "lm8323",
852 },
853 .probe = lm8323_probe,
854 .remove = __devexit_p(lm8323_remove),
855 .suspend = lm8323_suspend,
856 .resume = lm8323_resume,
857 .id_table = lm8323_id,
858};
859MODULE_DEVICE_TABLE(i2c, lm8323_id);
860
861static int __init lm8323_init(void)
862{
863 return i2c_add_driver(&lm8323_i2c_driver);
864}
865module_init(lm8323_init);
866
867static void __exit lm8323_exit(void)
868{
869 i2c_del_driver(&lm8323_i2c_driver);
870}
871module_exit(lm8323_exit);
872
873MODULE_AUTHOR("Timo O. Karjalainen <timo.o.karjalainen@nokia.com>");
874MODULE_AUTHOR("Daniel Stone");
875MODULE_AUTHOR("Felipe Balbi <felipe.balbi@nokia.com>");
876MODULE_DESCRIPTION("LM8323 keypad driver");
877MODULE_LICENSE("GPL");
878
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 5c0a631d1455..4399f54c043c 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -193,6 +193,16 @@ config INPUT_CM109
193 To compile this driver as a module, choose M here: the module will be 193 To compile this driver as a module, choose M here: the module will be
194 called cm109. 194 called cm109.
195 195
196config INPUT_TWL4030_PWRBUTTON
197 tristate "TWL4030 Power button Driver"
198 depends on TWL4030_CORE
199 help
200 Say Y here if you want to enable power key reporting via the
201 TWL4030 family of chips.
202
203 To compile this driver as a module, choose M here. The module will
204 be called twl4030_pwrbutton.
205
196config INPUT_UINPUT 206config INPUT_UINPUT
197 tristate "User level driver support" 207 tristate "User level driver support"
198 help 208 help
@@ -250,4 +260,13 @@ config INPUT_RB532_BUTTON
250 To compile this driver as a module, choose M here: the 260 To compile this driver as a module, choose M here: the
251 module will be called rb532_button. 261 module will be called rb532_button.
252 262
263config INPUT_DM355EVM
264 tristate "TI DaVinci DM355 EVM Keypad and IR Remote"
265 depends on MFD_DM355EVM_MSP
266 help
267 Supports the pushbuttons and IR remote used with
268 the DM355 EVM board.
269
270 To compile this driver as a module, choose M here: the
271 module will be called dm355evm_keys.
253endif 272endif
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index eb3f407baedf..0d979fd4cd57 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -10,6 +10,7 @@ obj-$(CONFIG_INPUT_ATI_REMOTE2) += ati_remote2.o
10obj-$(CONFIG_INPUT_ATLAS_BTNS) += atlas_btns.o 10obj-$(CONFIG_INPUT_ATLAS_BTNS) += atlas_btns.o
11obj-$(CONFIG_INPUT_CM109) += cm109.o 11obj-$(CONFIG_INPUT_CM109) += cm109.o
12obj-$(CONFIG_INPUT_COBALT_BTNS) += cobalt_btns.o 12obj-$(CONFIG_INPUT_COBALT_BTNS) += cobalt_btns.o
13obj-$(CONFIG_INPUT_DM355EVM) += dm355evm_keys.o
13obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o 14obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o
14obj-$(CONFIG_INPUT_IXP4XX_BEEPER) += ixp4xx-beeper.o 15obj-$(CONFIG_INPUT_IXP4XX_BEEPER) += ixp4xx-beeper.o
15obj-$(CONFIG_INPUT_KEYSPAN_REMOTE) += keyspan_remote.o 16obj-$(CONFIG_INPUT_KEYSPAN_REMOTE) += keyspan_remote.o
@@ -21,6 +22,7 @@ obj-$(CONFIG_INPUT_RB532_BUTTON) += rb532_button.o
21obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER) += rotary_encoder.o 22obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER) += rotary_encoder.o
22obj-$(CONFIG_INPUT_SGI_BTNS) += sgi_btns.o 23obj-$(CONFIG_INPUT_SGI_BTNS) += sgi_btns.o
23obj-$(CONFIG_INPUT_SPARCSPKR) += sparcspkr.o 24obj-$(CONFIG_INPUT_SPARCSPKR) += sparcspkr.o
25obj-$(CONFIG_INPUT_TWL4030_PWRBUTTON) += twl4030-pwrbutton.o
24obj-$(CONFIG_INPUT_UINPUT) += uinput.o 26obj-$(CONFIG_INPUT_UINPUT) += uinput.o
25obj-$(CONFIG_INPUT_WISTRON_BTNS) += wistron_btns.o 27obj-$(CONFIG_INPUT_WISTRON_BTNS) += wistron_btns.o
26obj-$(CONFIG_INPUT_YEALINK) += yealink.o 28obj-$(CONFIG_INPUT_YEALINK) += yealink.o
diff --git a/drivers/input/misc/ati_remote2.c b/drivers/input/misc/ati_remote2.c
index 922c05141585..0501f0e65157 100644
--- a/drivers/input/misc/ati_remote2.c
+++ b/drivers/input/misc/ati_remote2.c
@@ -509,7 +509,7 @@ static int ati_remote2_setkeycode(struct input_dev *idev, int scancode, int keyc
509 509
510 old_keycode = ar2->keycode[mode][index]; 510 old_keycode = ar2->keycode[mode][index];
511 ar2->keycode[mode][index] = keycode; 511 ar2->keycode[mode][index] = keycode;
512 set_bit(keycode, idev->keybit); 512 __set_bit(keycode, idev->keybit);
513 513
514 for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) { 514 for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) {
515 for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) { 515 for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) {
@@ -518,7 +518,7 @@ static int ati_remote2_setkeycode(struct input_dev *idev, int scancode, int keyc
518 } 518 }
519 } 519 }
520 520
521 clear_bit(old_keycode, idev->keybit); 521 __clear_bit(old_keycode, idev->keybit);
522 522
523 return 0; 523 return 0;
524} 524}
@@ -543,7 +543,7 @@ static int ati_remote2_input_init(struct ati_remote2 *ar2)
543 for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) { 543 for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) {
544 for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) { 544 for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) {
545 ar2->keycode[mode][index] = ati_remote2_key_table[index].keycode; 545 ar2->keycode[mode][index] = ati_remote2_key_table[index].keycode;
546 set_bit(ar2->keycode[mode][index], idev->keybit); 546 __set_bit(ar2->keycode[mode][index], idev->keybit);
547 } 547 }
548 } 548 }
549 549
@@ -554,11 +554,11 @@ static int ati_remote2_input_init(struct ati_remote2 *ar2)
554 ar2->keycode[ATI_REMOTE2_AUX3][index] = KEY_PROG3; 554 ar2->keycode[ATI_REMOTE2_AUX3][index] = KEY_PROG3;
555 ar2->keycode[ATI_REMOTE2_AUX4][index] = KEY_PROG4; 555 ar2->keycode[ATI_REMOTE2_AUX4][index] = KEY_PROG4;
556 ar2->keycode[ATI_REMOTE2_PC][index] = KEY_PC; 556 ar2->keycode[ATI_REMOTE2_PC][index] = KEY_PC;
557 set_bit(KEY_PROG1, idev->keybit); 557 __set_bit(KEY_PROG1, idev->keybit);
558 set_bit(KEY_PROG2, idev->keybit); 558 __set_bit(KEY_PROG2, idev->keybit);
559 set_bit(KEY_PROG3, idev->keybit); 559 __set_bit(KEY_PROG3, idev->keybit);
560 set_bit(KEY_PROG4, idev->keybit); 560 __set_bit(KEY_PROG4, idev->keybit);
561 set_bit(KEY_PC, idev->keybit); 561 __set_bit(KEY_PC, idev->keybit);
562 562
563 idev->rep[REP_DELAY] = 250; 563 idev->rep[REP_DELAY] = 250;
564 idev->rep[REP_PERIOD] = 33; 564 idev->rep[REP_PERIOD] = 33;
diff --git a/drivers/input/misc/dm355evm_keys.c b/drivers/input/misc/dm355evm_keys.c
new file mode 100644
index 000000000000..a63315ce4a6c
--- /dev/null
+++ b/drivers/input/misc/dm355evm_keys.c
@@ -0,0 +1,329 @@
1/*
2 * dm355evm_keys.c - support buttons and IR remote on DM355 EVM board
3 *
4 * Copyright (c) 2008 by David Brownell
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11#include <linux/kernel.h>
12#include <linux/init.h>
13#include <linux/input.h>
14#include <linux/platform_device.h>
15#include <linux/interrupt.h>
16
17#include <linux/i2c/dm355evm_msp.h>
18
19
20/*
21 * The MSP430 firmware on the DM355 EVM monitors on-board pushbuttons
22 * and an IR receptor used for the remote control. When any key is
23 * pressed, or its autorepeat kicks in, an event is sent. This driver
24 * read those events from the small (32 event) queue and reports them.
25 *
26 * Because we communicate with the MSP430 using I2C, and all I2C calls
27 * in Linux sleep, we need to cons up a kind of threaded IRQ handler
28 * using a work_struct. The IRQ is active low, but we use it through
29 * the GPIO controller so we can trigger on falling edges.
30 *
31 * Note that physically there can only be one of these devices.
32 *
33 * This driver was tested with firmware revision A4.
34 */
35struct dm355evm_keys {
36 struct work_struct work;
37 struct input_dev *input;
38 struct device *dev;
39 int irq;
40};
41
42static irqreturn_t dm355evm_keys_irq(int irq, void *_keys)
43{
44 struct dm355evm_keys *keys = _keys;
45
46 schedule_work(&keys->work);
47 return IRQ_HANDLED;
48}
49
50/* These initial keycodes can be remapped by dm355evm_setkeycode(). */
51static struct {
52 u16 event;
53 u16 keycode;
54} dm355evm_keys[] = {
55
56 /*
57 * Pushbuttons on the EVM board ... note that the labels for these
58 * are SW10/SW11/etc on the PC board. The left/right orientation
59 * comes only from the firmware's documentation, and presumes the
60 * power connector is immediately in front of you and the IR sensor
61 * is to the right. (That is, rotate the board counter-clockwise
62 * by 90 degrees from the SW10/etc and "DM355 EVM" labels.)
63 */
64 { 0x00d8, KEY_OK, }, /* SW12 */
65 { 0x00b8, KEY_UP, }, /* SW13 */
66 { 0x00e8, KEY_DOWN, }, /* SW11 */
67 { 0x0078, KEY_LEFT, }, /* SW14 */
68 { 0x00f0, KEY_RIGHT, }, /* SW10 */
69
70 /*
71 * IR buttons ... codes assigned to match the universal remote
72 * provided with the EVM (Philips PM4S) using DVD code 0020.
73 *
74 * These event codes match firmware documentation, but other
75 * remote controls could easily send more RC5-encoded events.
76 * The PM4S manual was used in several cases to help select
77 * a keycode reflecting the intended usage.
78 *
79 * RC5 codes are 14 bits, with two start bits (0x3 prefix)
80 * and a toggle bit (masked out below).
81 */
82 { 0x300c, KEY_POWER, }, /* NOTE: docs omit this */
83 { 0x3000, KEY_NUMERIC_0, },
84 { 0x3001, KEY_NUMERIC_1, },
85 { 0x3002, KEY_NUMERIC_2, },
86 { 0x3003, KEY_NUMERIC_3, },
87 { 0x3004, KEY_NUMERIC_4, },
88 { 0x3005, KEY_NUMERIC_5, },
89 { 0x3006, KEY_NUMERIC_6, },
90 { 0x3007, KEY_NUMERIC_7, },
91 { 0x3008, KEY_NUMERIC_8, },
92 { 0x3009, KEY_NUMERIC_9, },
93 { 0x3022, KEY_ENTER, },
94 { 0x30ec, KEY_MODE, }, /* "tv/vcr/..." */
95 { 0x300f, KEY_SELECT, }, /* "info" */
96 { 0x3020, KEY_CHANNELUP, }, /* "up" */
97 { 0x302e, KEY_MENU, }, /* "in/out" */
98 { 0x3011, KEY_VOLUMEDOWN, }, /* "left" */
99 { 0x300d, KEY_MUTE, }, /* "ok" */
100 { 0x3010, KEY_VOLUMEUP, }, /* "right" */
101 { 0x301e, KEY_SUBTITLE, }, /* "cc" */
102 { 0x3021, KEY_CHANNELDOWN, }, /* "down" */
103 { 0x3022, KEY_PREVIOUS, },
104 { 0x3026, KEY_SLEEP, },
105 { 0x3172, KEY_REWIND, }, /* NOTE: docs wrongly say 0x30ca */
106 { 0x3175, KEY_PLAY, },
107 { 0x3174, KEY_FASTFORWARD, },
108 { 0x3177, KEY_RECORD, },
109 { 0x3176, KEY_STOP, },
110 { 0x3169, KEY_PAUSE, },
111};
112
113static void dm355evm_keys_work(struct work_struct *work)
114{
115 struct dm355evm_keys *keys;
116 int status;
117
118 keys = container_of(work, struct dm355evm_keys, work);
119
120 /* For simplicity we ignore INPUT_COUNT and just read
121 * events until we get the "queue empty" indicator.
122 * Reading INPUT_LOW decrements the count.
123 */
124 for (;;) {
125 static u16 last_event;
126 u16 event;
127 int keycode;
128 int i;
129
130 status = dm355evm_msp_read(DM355EVM_MSP_INPUT_HIGH);
131 if (status < 0) {
132 dev_dbg(keys->dev, "input high err %d\n",
133 status);
134 break;
135 }
136 event = status << 8;
137
138 status = dm355evm_msp_read(DM355EVM_MSP_INPUT_LOW);
139 if (status < 0) {
140 dev_dbg(keys->dev, "input low err %d\n",
141 status);
142 break;
143 }
144 event |= status;
145 if (event == 0xdead)
146 break;
147
148 /* Press and release a button: two events, same code.
149 * Press and hold (autorepeat), then release: N events
150 * (N > 2), same code. For RC5 buttons the toggle bits
151 * distinguish (for example) "1-autorepeat" from "1 1";
152 * but PCB buttons don't support that bit.
153 *
154 * So we must synthesize release events. We do that by
155 * mapping events to a press/release event pair; then
156 * to avoid adding extra events, skip the second event
157 * of each pair.
158 */
159 if (event == last_event) {
160 last_event = 0;
161 continue;
162 }
163 last_event = event;
164
165 /* ignore the RC5 toggle bit */
166 event &= ~0x0800;
167
168 /* find the key, or leave it as unknown */
169 keycode = KEY_UNKNOWN;
170 for (i = 0; i < ARRAY_SIZE(dm355evm_keys); i++) {
171 if (dm355evm_keys[i].event != event)
172 continue;
173 keycode = dm355evm_keys[i].keycode;
174 break;
175 }
176 dev_dbg(keys->dev,
177 "input event 0x%04x--> keycode %d\n",
178 event, keycode);
179
180 /* report press + release */
181 input_report_key(keys->input, keycode, 1);
182 input_sync(keys->input);
183 input_report_key(keys->input, keycode, 0);
184 input_sync(keys->input);
185 }
186}
187
188static int dm355evm_setkeycode(struct input_dev *dev, int index, int keycode)
189{
190 u16 old_keycode;
191 unsigned i;
192
193 if (((unsigned)index) >= ARRAY_SIZE(dm355evm_keys))
194 return -EINVAL;
195
196 old_keycode = dm355evm_keys[index].keycode;
197 dm355evm_keys[index].keycode = keycode;
198 set_bit(keycode, dev->keybit);
199
200 for (i = 0; i < ARRAY_SIZE(dm355evm_keys); i++) {
201 if (dm355evm_keys[index].keycode == old_keycode)
202 goto done;
203 }
204 clear_bit(old_keycode, dev->keybit);
205done:
206 return 0;
207}
208
209static int dm355evm_getkeycode(struct input_dev *dev, int index, int *keycode)
210{
211 if (((unsigned)index) >= ARRAY_SIZE(dm355evm_keys))
212 return -EINVAL;
213
214 return dm355evm_keys[index].keycode;
215}
216
217/*----------------------------------------------------------------------*/
218
219static int __devinit dm355evm_keys_probe(struct platform_device *pdev)
220{
221 struct dm355evm_keys *keys;
222 struct input_dev *input;
223 int status;
224 int i;
225
226 /* allocate instance struct and input dev */
227 keys = kzalloc(sizeof *keys, GFP_KERNEL);
228 input = input_allocate_device();
229 if (!keys || !input) {
230 status = -ENOMEM;
231 goto fail1;
232 }
233
234 keys->dev = &pdev->dev;
235 keys->input = input;
236 INIT_WORK(&keys->work, dm355evm_keys_work);
237
238 /* set up "threaded IRQ handler" */
239 status = platform_get_irq(pdev, 0);
240 if (status < 0)
241 goto fail1;
242 keys->irq = status;
243
244 input_set_drvdata(input, keys);
245
246 input->name = "DM355 EVM Controls";
247 input->phys = "dm355evm/input0";
248 input->dev.parent = &pdev->dev;
249
250 input->id.bustype = BUS_I2C;
251 input->id.product = 0x0355;
252 input->id.version = dm355evm_msp_read(DM355EVM_MSP_FIRMREV);
253
254 input->evbit[0] = BIT(EV_KEY);
255 for (i = 0; i < ARRAY_SIZE(dm355evm_keys); i++)
256 __set_bit(dm355evm_keys[i].keycode, input->keybit);
257
258 input->setkeycode = dm355evm_setkeycode;
259 input->getkeycode = dm355evm_getkeycode;
260
261 /* REVISIT: flush the event queue? */
262
263 status = request_irq(keys->irq, dm355evm_keys_irq,
264 IRQF_TRIGGER_FALLING,
265 dev_name(&pdev->dev), keys);
266 if (status < 0)
267 goto fail1;
268
269 /* register */
270 status = input_register_device(input);
271 if (status < 0)
272 goto fail2;
273
274 platform_set_drvdata(pdev, keys);
275
276 return 0;
277
278fail2:
279 free_irq(keys->irq, keys);
280fail1:
281 input_free_device(input);
282 kfree(keys);
283 dev_err(&pdev->dev, "can't register, err %d\n", status);
284
285 return status;
286}
287
288static int __devexit dm355evm_keys_remove(struct platform_device *pdev)
289{
290 struct dm355evm_keys *keys = platform_get_drvdata(pdev);
291
292 free_irq(keys->irq, keys);
293 input_unregister_device(keys->input);
294 kfree(keys);
295
296 return 0;
297}
298
299/* REVISIT: add suspend/resume when DaVinci supports it. The IRQ should
300 * be able to wake up the system. When device_may_wakeup(&pdev->dev), call
301 * enable_irq_wake() on suspend, and disable_irq_wake() on resume.
302 */
303
304/*
305 * I2C is used to talk to the MSP430, but this platform device is
306 * exposed by an MFD driver that manages I2C communications.
307 */
308static struct platform_driver dm355evm_keys_driver = {
309 .probe = dm355evm_keys_probe,
310 .remove = __devexit_p(dm355evm_keys_remove),
311 .driver = {
312 .owner = THIS_MODULE,
313 .name = "dm355evm_keys",
314 },
315};
316
317static int __init dm355evm_keys_init(void)
318{
319 return platform_driver_register(&dm355evm_keys_driver);
320}
321module_init(dm355evm_keys_init);
322
323static void __exit dm355evm_keys_exit(void)
324{
325 platform_driver_unregister(&dm355evm_keys_driver);
326}
327module_exit(dm355evm_keys_exit);
328
329MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/rotary_encoder.c b/drivers/input/misc/rotary_encoder.c
index 5bb3ab51b8c6..c806fbf1e174 100644
--- a/drivers/input/misc/rotary_encoder.c
+++ b/drivers/input/misc/rotary_encoder.c
@@ -26,13 +26,17 @@
26#define DRV_NAME "rotary-encoder" 26#define DRV_NAME "rotary-encoder"
27 27
28struct rotary_encoder { 28struct rotary_encoder {
29 unsigned int irq_a;
30 unsigned int irq_b;
31 unsigned int pos;
32 unsigned int armed;
33 unsigned int dir;
34 struct input_dev *input; 29 struct input_dev *input;
35 struct rotary_encoder_platform_data *pdata; 30 struct rotary_encoder_platform_data *pdata;
31
32 unsigned int axis;
33 unsigned int pos;
34
35 unsigned int irq_a;
36 unsigned int irq_b;
37
38 bool armed;
39 unsigned char dir; /* 0 - clockwise, 1 - CCW */
36}; 40};
37 41
38static irqreturn_t rotary_encoder_irq(int irq, void *dev_id) 42static irqreturn_t rotary_encoder_irq(int irq, void *dev_id)
@@ -53,21 +57,32 @@ static irqreturn_t rotary_encoder_irq(int irq, void *dev_id)
53 if (!encoder->armed) 57 if (!encoder->armed)
54 break; 58 break;
55 59
56 if (encoder->dir) { 60 if (pdata->relative_axis) {
57 /* turning counter-clockwise */ 61 input_report_rel(encoder->input, pdata->axis,
58 encoder->pos += pdata->steps; 62 encoder->dir ? -1 : 1);
59 encoder->pos--;
60 encoder->pos %= pdata->steps;
61 } else { 63 } else {
62 /* turning clockwise */ 64 unsigned int pos = encoder->pos;
63 encoder->pos++; 65
64 encoder->pos %= pdata->steps; 66 if (encoder->dir) {
67 /* turning counter-clockwise */
68 if (pdata->rollover)
69 pos += pdata->steps;
70 if (pos)
71 pos--;
72 } else {
73 /* turning clockwise */
74 if (pdata->rollover || pos < pdata->steps)
75 pos++;
76 }
77 if (pdata->rollover)
78 pos %= pdata->steps;
79 encoder->pos = pos;
80 input_report_abs(encoder->input, pdata->axis,
81 encoder->pos);
65 } 82 }
66
67 input_report_abs(encoder->input, pdata->axis, encoder->pos);
68 input_sync(encoder->input); 83 input_sync(encoder->input);
69 84
70 encoder->armed = 0; 85 encoder->armed = false;
71 break; 86 break;
72 87
73 case 0x1: 88 case 0x1:
@@ -77,7 +92,7 @@ static irqreturn_t rotary_encoder_irq(int irq, void *dev_id)
77 break; 92 break;
78 93
79 case 0x3: 94 case 0x3:
80 encoder->armed = 1; 95 encoder->armed = true;
81 break; 96 break;
82 } 97 }
83 98
@@ -113,9 +128,15 @@ static int __devinit rotary_encoder_probe(struct platform_device *pdev)
113 input->name = pdev->name; 128 input->name = pdev->name;
114 input->id.bustype = BUS_HOST; 129 input->id.bustype = BUS_HOST;
115 input->dev.parent = &pdev->dev; 130 input->dev.parent = &pdev->dev;
116 input->evbit[0] = BIT_MASK(EV_ABS); 131
117 input_set_abs_params(encoder->input, 132 if (pdata->relative_axis) {
118 pdata->axis, 0, pdata->steps, 0, 1); 133 input->evbit[0] = BIT_MASK(EV_REL);
134 input->relbit[0] = BIT_MASK(pdata->axis);
135 } else {
136 input->evbit[0] = BIT_MASK(EV_ABS);
137 input_set_abs_params(encoder->input,
138 pdata->axis, 0, pdata->steps, 0, 1);
139 }
119 140
120 err = input_register_device(input); 141 err = input_register_device(input);
121 if (err) { 142 if (err) {
diff --git a/drivers/input/misc/twl4030-pwrbutton.c b/drivers/input/misc/twl4030-pwrbutton.c
new file mode 100644
index 000000000000..f5fc9974a111
--- /dev/null
+++ b/drivers/input/misc/twl4030-pwrbutton.c
@@ -0,0 +1,145 @@
1/**
2 * twl4030-pwrbutton.c - TWL4030 Power Button Input Driver
3 *
4 * Copyright (C) 2008-2009 Nokia Corporation
5 *
6 * Written by Peter De Schrijver <peter.de-schrijver@nokia.com>
7 * Several fixes by Felipe Balbi <felipe.balbi@nokia.com>
8 *
9 * This file is subject to the terms and conditions of the GNU General
10 * Public License. See the file "COPYING" in the main directory of this
11 * archive for more details.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
22
23#include <linux/module.h>
24#include <linux/init.h>
25#include <linux/kernel.h>
26#include <linux/errno.h>
27#include <linux/input.h>
28#include <linux/interrupt.h>
29#include <linux/platform_device.h>
30#include <linux/i2c/twl4030.h>
31
32#define PWR_PWRON_IRQ (1 << 0)
33
34#define STS_HW_CONDITIONS 0xf
35
36static irqreturn_t powerbutton_irq(int irq, void *_pwr)
37{
38 struct input_dev *pwr = _pwr;
39 int err;
40 u8 value;
41
42#ifdef CONFIG_LOCKDEP
43 /* WORKAROUND for lockdep forcing IRQF_DISABLED on us, which
44 * we don't want and can't tolerate since this is a threaded
45 * IRQ and can sleep due to the i2c reads it has to issue.
46 * Although it might be friendlier not to borrow this thread
47 * context...
48 */
49 local_irq_enable();
50#endif
51
52 err = twl4030_i2c_read_u8(TWL4030_MODULE_PM_MASTER, &value,
53 STS_HW_CONDITIONS);
54 if (!err) {
55 input_report_key(pwr, KEY_POWER, value & PWR_PWRON_IRQ);
56 input_sync(pwr);
57 } else {
58 dev_err(pwr->dev.parent, "twl4030: i2c error %d while reading"
59 " TWL4030 PM_MASTER STS_HW_CONDITIONS register\n", err);
60 }
61
62 return IRQ_HANDLED;
63}
64
65static int __devinit twl4030_pwrbutton_probe(struct platform_device *pdev)
66{
67 struct input_dev *pwr;
68 int irq = platform_get_irq(pdev, 0);
69 int err;
70
71 pwr = input_allocate_device();
72 if (!pwr) {
73 dev_dbg(&pdev->dev, "Can't allocate power button\n");
74 return -ENOMEM;
75 }
76
77 pwr->evbit[0] = BIT_MASK(EV_KEY);
78 pwr->keybit[BIT_WORD(KEY_POWER)] = BIT_MASK(KEY_POWER);
79 pwr->name = "twl4030_pwrbutton";
80 pwr->phys = "twl4030_pwrbutton/input0";
81 pwr->dev.parent = &pdev->dev;
82
83 err = request_irq(irq, powerbutton_irq,
84 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
85 "twl4030_pwrbutton", pwr);
86 if (err < 0) {
87 dev_dbg(&pdev->dev, "Can't get IRQ for pwrbutton: %d\n", err);
88 goto free_input_dev;
89 }
90
91 err = input_register_device(pwr);
92 if (err) {
93 dev_dbg(&pdev->dev, "Can't register power button: %d\n", err);
94 goto free_irq;
95 }
96
97 platform_set_drvdata(pdev, pwr);
98
99 return 0;
100
101free_irq:
102 free_irq(irq, NULL);
103free_input_dev:
104 input_free_device(pwr);
105 return err;
106}
107
108static int __devexit twl4030_pwrbutton_remove(struct platform_device *pdev)
109{
110 struct input_dev *pwr = platform_get_drvdata(pdev);
111 int irq = platform_get_irq(pdev, 0);
112
113 free_irq(irq, pwr);
114 input_unregister_device(pwr);
115
116 return 0;
117}
118
119struct platform_driver twl4030_pwrbutton_driver = {
120 .probe = twl4030_pwrbutton_probe,
121 .remove = __devexit_p(twl4030_pwrbutton_remove),
122 .driver = {
123 .name = "twl4030_pwrbutton",
124 .owner = THIS_MODULE,
125 },
126};
127
128static int __init twl4030_pwrbutton_init(void)
129{
130 return platform_driver_register(&twl4030_pwrbutton_driver);
131}
132module_init(twl4030_pwrbutton_init);
133
134static void __exit twl4030_pwrbutton_exit(void)
135{
136 platform_driver_unregister(&twl4030_pwrbutton_driver);
137}
138module_exit(twl4030_pwrbutton_exit);
139
140MODULE_ALIAS("platform:twl4030_pwrbutton");
141MODULE_DESCRIPTION("Triton2 Power Button");
142MODULE_LICENSE("GPL");
143MODULE_AUTHOR("Peter De Schrijver <peter.de-schrijver@nokia.com>");
144MODULE_AUTHOR("Felipe Balbi <felipe.balbi@nokia.com>");
145
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 46b7caeb2817..c5a49aba418f 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -54,27 +54,28 @@ static int uinput_dev_event(struct input_dev *dev, unsigned int type, unsigned i
54 return 0; 54 return 0;
55} 55}
56 56
57/* Atomically allocate an ID for the given request. Returns 0 on success. */
57static int uinput_request_alloc_id(struct uinput_device *udev, struct uinput_request *request) 58static int uinput_request_alloc_id(struct uinput_device *udev, struct uinput_request *request)
58{ 59{
59 /* Atomically allocate an ID for the given request. Returns 0 on success. */
60 int id; 60 int id;
61 int err = -1; 61 int err = -1;
62 62
63 spin_lock(&udev->requests_lock); 63 spin_lock(&udev->requests_lock);
64 64
65 for (id = 0; id < UINPUT_NUM_REQUESTS; id++) 65 for (id = 0; id < UINPUT_NUM_REQUESTS; id++) {
66 if (!udev->requests[id]) { 66 if (!udev->requests[id]) {
67 request->id = id; 67 request->id = id;
68 udev->requests[id] = request; 68 udev->requests[id] = request;
69 err = 0; 69 err = 0;
70 break; 70 break;
71 } 71 }
72 }
72 73
73 spin_unlock(&udev->requests_lock); 74 spin_unlock(&udev->requests_lock);
74 return err; 75 return err;
75} 76}
76 77
77static struct uinput_request* uinput_request_find(struct uinput_device *udev, int id) 78static struct uinput_request *uinput_request_find(struct uinput_device *udev, int id)
78{ 79{
79 /* Find an input request, by ID. Returns NULL if the ID isn't valid. */ 80 /* Find an input request, by ID. Returns NULL if the ID isn't valid. */
80 if (id >= UINPUT_NUM_REQUESTS || id < 0) 81 if (id >= UINPUT_NUM_REQUESTS || id < 0)
@@ -99,14 +100,51 @@ static void uinput_request_done(struct uinput_device *udev, struct uinput_reques
99 complete(&request->done); 100 complete(&request->done);
100} 101}
101 102
102static int uinput_request_submit(struct input_dev *dev, struct uinput_request *request) 103static int uinput_request_submit(struct uinput_device *udev, struct uinput_request *request)
103{ 104{
105 int retval;
106
107 retval = uinput_request_reserve_slot(udev, request);
108 if (retval)
109 return retval;
110
111 retval = mutex_lock_interruptible(&udev->mutex);
112 if (retval)
113 return retval;
114
115 if (udev->state != UIST_CREATED) {
116 retval = -ENODEV;
117 goto out;
118 }
119
104 /* Tell our userspace app about this new request by queueing an input event */ 120 /* Tell our userspace app about this new request by queueing an input event */
105 uinput_dev_event(dev, EV_UINPUT, request->code, request->id); 121 uinput_dev_event(udev->dev, EV_UINPUT, request->code, request->id);
122
123 out:
124 mutex_unlock(&udev->mutex);
125 return retval;
126}
127
128/*
129 * Fail all ouitstanding requests so handlers don't wait for the userspace
130 * to finish processing them.
131 */
132static void uinput_flush_requests(struct uinput_device *udev)
133{
134 struct uinput_request *request;
135 int i;
136
137 spin_lock(&udev->requests_lock);
138
139 for (i = 0; i < UINPUT_NUM_REQUESTS; i++) {
140 request = udev->requests[i];
141 if (request) {
142 request->retval = -ENODEV;
143 uinput_request_done(udev, request);
144 }
145 }
106 146
107 /* Wait for the request to complete */ 147 spin_unlock(&udev->requests_lock);
108 wait_for_completion(&request->done);
109 return request->retval;
110} 148}
111 149
112static void uinput_dev_set_gain(struct input_dev *dev, u16 gain) 150static void uinput_dev_set_gain(struct input_dev *dev, u16 gain)
@@ -126,6 +164,7 @@ static int uinput_dev_playback(struct input_dev *dev, int effect_id, int value)
126 164
127static int uinput_dev_upload_effect(struct input_dev *dev, struct ff_effect *effect, struct ff_effect *old) 165static int uinput_dev_upload_effect(struct input_dev *dev, struct ff_effect *effect, struct ff_effect *old)
128{ 166{
167 struct uinput_device *udev = input_get_drvdata(dev);
129 struct uinput_request request; 168 struct uinput_request request;
130 int retval; 169 int retval;
131 170
@@ -146,15 +185,18 @@ static int uinput_dev_upload_effect(struct input_dev *dev, struct ff_effect *eff
146 request.u.upload.effect = effect; 185 request.u.upload.effect = effect;
147 request.u.upload.old = old; 186 request.u.upload.old = old;
148 187
149 retval = uinput_request_reserve_slot(input_get_drvdata(dev), &request); 188 retval = uinput_request_submit(udev, &request);
150 if (!retval) 189 if (!retval) {
151 retval = uinput_request_submit(dev, &request); 190 wait_for_completion(&request.done);
191 retval = request.retval;
192 }
152 193
153 return retval; 194 return retval;
154} 195}
155 196
156static int uinput_dev_erase_effect(struct input_dev *dev, int effect_id) 197static int uinput_dev_erase_effect(struct input_dev *dev, int effect_id)
157{ 198{
199 struct uinput_device *udev = input_get_drvdata(dev);
158 struct uinput_request request; 200 struct uinput_request request;
159 int retval; 201 int retval;
160 202
@@ -166,9 +208,11 @@ static int uinput_dev_erase_effect(struct input_dev *dev, int effect_id)
166 request.code = UI_FF_ERASE; 208 request.code = UI_FF_ERASE;
167 request.u.effect_id = effect_id; 209 request.u.effect_id = effect_id;
168 210
169 retval = uinput_request_reserve_slot(input_get_drvdata(dev), &request); 211 retval = uinput_request_submit(udev, &request);
170 if (!retval) 212 if (!retval) {
171 retval = uinput_request_submit(dev, &request); 213 wait_for_completion(&request.done);
214 retval = request.retval;
215 }
172 216
173 return retval; 217 return retval;
174} 218}
@@ -176,20 +220,24 @@ static int uinput_dev_erase_effect(struct input_dev *dev, int effect_id)
176static void uinput_destroy_device(struct uinput_device *udev) 220static void uinput_destroy_device(struct uinput_device *udev)
177{ 221{
178 const char *name, *phys; 222 const char *name, *phys;
223 struct input_dev *dev = udev->dev;
224 enum uinput_state old_state = udev->state;
179 225
180 if (udev->dev) { 226 udev->state = UIST_NEW_DEVICE;
181 name = udev->dev->name; 227
182 phys = udev->dev->phys; 228 if (dev) {
183 if (udev->state == UIST_CREATED) 229 name = dev->name;
184 input_unregister_device(udev->dev); 230 phys = dev->phys;
185 else 231 if (old_state == UIST_CREATED) {
186 input_free_device(udev->dev); 232 uinput_flush_requests(udev);
233 input_unregister_device(dev);
234 } else {
235 input_free_device(dev);
236 }
187 kfree(name); 237 kfree(name);
188 kfree(phys); 238 kfree(phys);
189 udev->dev = NULL; 239 udev->dev = NULL;
190 } 240 }
191
192 udev->state = UIST_NEW_DEVICE;
193} 241}
194 242
195static int uinput_create_device(struct uinput_device *udev) 243static int uinput_create_device(struct uinput_device *udev)
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index daecc75c72e6..cd4203c4deb9 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -38,25 +38,25 @@
38 38
39static const struct alps_model_info alps_model_data[] = { 39static const struct alps_model_info alps_model_data[] = {
40 { { 0x32, 0x02, 0x14 }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Toshiba Salellite Pro M10 */ 40 { { 0x32, 0x02, 0x14 }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Toshiba Salellite Pro M10 */
41 { { 0x33, 0x02, 0x0a }, 0x88, 0xf8, ALPS_OLDPROTO }, /* UMAX-530T */ 41 { { 0x33, 0x02, 0x0a }, 0x88, 0xf8, ALPS_OLDPROTO }, /* UMAX-530T */
42 { { 0x53, 0x02, 0x0a }, 0xf8, 0xf8, 0 }, 42 { { 0x53, 0x02, 0x0a }, 0xf8, 0xf8, 0 },
43 { { 0x53, 0x02, 0x14 }, 0xf8, 0xf8, 0 }, 43 { { 0x53, 0x02, 0x14 }, 0xf8, 0xf8, 0 },
44 { { 0x60, 0x03, 0xc8 }, 0xf8, 0xf8, 0 }, /* HP ze1115 */ 44 { { 0x60, 0x03, 0xc8 }, 0xf8, 0xf8, 0 }, /* HP ze1115 */
45 { { 0x63, 0x02, 0x0a }, 0xf8, 0xf8, 0 }, 45 { { 0x63, 0x02, 0x0a }, 0xf8, 0xf8, 0 },
46 { { 0x63, 0x02, 0x14 }, 0xf8, 0xf8, 0 }, 46 { { 0x63, 0x02, 0x14 }, 0xf8, 0xf8, 0 },
47 { { 0x63, 0x02, 0x28 }, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Fujitsu Siemens S6010 */ 47 { { 0x63, 0x02, 0x28 }, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Fujitsu Siemens S6010 */
48 { { 0x63, 0x02, 0x3c }, 0x8f, 0x8f, ALPS_WHEEL }, /* Toshiba Satellite S2400-103 */ 48 { { 0x63, 0x02, 0x3c }, 0x8f, 0x8f, ALPS_WHEEL }, /* Toshiba Satellite S2400-103 */
49 { { 0x63, 0x02, 0x50 }, 0xef, 0xef, ALPS_FW_BK_1 }, /* NEC Versa L320 */ 49 { { 0x63, 0x02, 0x50 }, 0xef, 0xef, ALPS_FW_BK_1 }, /* NEC Versa L320 */
50 { { 0x63, 0x02, 0x64 }, 0xf8, 0xf8, 0 }, 50 { { 0x63, 0x02, 0x64 }, 0xf8, 0xf8, 0 },
51 { { 0x63, 0x03, 0xc8 }, 0xf8, 0xf8, ALPS_PASS }, /* Dell Latitude D800 */ 51 { { 0x63, 0x03, 0xc8 }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D800 */
52 { { 0x73, 0x00, 0x0a }, 0xf8, 0xf8, ALPS_DUALPOINT }, /* ThinkPad R61 8918-5QG */ 52 { { 0x73, 0x00, 0x0a }, 0xf8, 0xf8, ALPS_DUALPOINT }, /* ThinkPad R61 8918-5QG */
53 { { 0x73, 0x02, 0x0a }, 0xf8, 0xf8, 0 }, 53 { { 0x73, 0x02, 0x0a }, 0xf8, 0xf8, 0 },
54 { { 0x73, 0x02, 0x14 }, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Ahtec Laptop */ 54 { { 0x73, 0x02, 0x14 }, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Ahtec Laptop */
55 { { 0x20, 0x02, 0x0e }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* XXX */ 55 { { 0x20, 0x02, 0x0e }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* XXX */
56 { { 0x22, 0x02, 0x0a }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, 56 { { 0x22, 0x02, 0x0a }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT },
57 { { 0x22, 0x02, 0x14 }, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D600 */ 57 { { 0x22, 0x02, 0x14 }, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D600 */
58 { { 0x62, 0x02, 0x14 }, 0xcf, 0xcf, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude E6500 */ 58 { { 0x62, 0x02, 0x14 }, 0xcf, 0xcf, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude E6500 */
59 { { 0x73, 0x02, 0x50 }, 0xcf, 0xcf, ALPS_FW_BK_1 } /* Dell Vostro 1400 */ 59 { { 0x73, 0x02, 0x50 }, 0xcf, 0xcf, ALPS_FW_BK_1 }, /* Dell Vostro 1400 */
60}; 60};
61 61
62/* 62/*
diff --git a/drivers/input/mouse/appletouch.c b/drivers/input/mouse/appletouch.c
index e0140fdc02a5..908b5b44052f 100644
--- a/drivers/input/mouse/appletouch.c
+++ b/drivers/input/mouse/appletouch.c
@@ -361,7 +361,7 @@ static int atp_calculate_abs(int *xy_sensors, int nb_sensors, int fact,
361 (!is_increasing && xy_sensors[i - 1] < xy_sensors[i])) { 361 (!is_increasing && xy_sensors[i - 1] < xy_sensors[i])) {
362 (*fingers)++; 362 (*fingers)++;
363 is_increasing = 1; 363 is_increasing = 1;
364 } else if (i > 0 && xy_sensors[i - 1] >= xy_sensors[i]) { 364 } else if (i > 0 && (xy_sensors[i - 1] - xy_sensors[i] > threshold)) {
365 is_increasing = 0; 365 is_increasing = 0;
366 } 366 }
367 367
diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c
index 15ac3205ac05..dcd4236af1e3 100644
--- a/drivers/input/mouse/lifebook.c
+++ b/drivers/input/mouse/lifebook.c
@@ -159,21 +159,22 @@ static psmouse_ret_t lifebook_process_byte(struct psmouse *psmouse)
159 if (!dev2) 159 if (!dev2)
160 printk(KERN_WARNING "lifebook.c: got relative packet " 160 printk(KERN_WARNING "lifebook.c: got relative packet "
161 "but no relative device set up\n"); 161 "but no relative device set up\n");
162 } else if (lifebook_use_6byte_proto) {
163 input_report_abs(dev1, ABS_X,
164 ((packet[1] & 0x3f) << 6) | (packet[2] & 0x3f));
165 input_report_abs(dev1, ABS_Y,
166 4096 - (((packet[4] & 0x3f) << 6) | (packet[5] & 0x3f)));
167 } else { 162 } else {
168 input_report_abs(dev1, ABS_X, 163 if (lifebook_use_6byte_proto) {
169 (packet[1] | ((packet[0] & 0x30) << 4))); 164 input_report_abs(dev1, ABS_X,
170 input_report_abs(dev1, ABS_Y, 165 ((packet[1] & 0x3f) << 6) | (packet[2] & 0x3f));
171 1024 - (packet[2] | ((packet[0] & 0xC0) << 2))); 166 input_report_abs(dev1, ABS_Y,
167 4096 - (((packet[4] & 0x3f) << 6) | (packet[5] & 0x3f)));
168 } else {
169 input_report_abs(dev1, ABS_X,
170 (packet[1] | ((packet[0] & 0x30) << 4)));
171 input_report_abs(dev1, ABS_Y,
172 1024 - (packet[2] | ((packet[0] & 0xC0) << 2)));
173 }
174 input_report_key(dev1, BTN_TOUCH, packet[0] & 0x04);
175 input_sync(dev1);
172 } 176 }
173 177
174 input_report_key(dev1, BTN_TOUCH, packet[0] & 0x04);
175 input_sync(dev1);
176
177 if (dev2) { 178 if (dev2) {
178 if (relative_packet) { 179 if (relative_packet) {
179 input_report_rel(dev2, REL_X, 180 input_report_rel(dev2, REL_X,
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index f8f86de694bb..b407b355dceb 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -327,7 +327,9 @@ static irqreturn_t psmouse_interrupt(struct serio *serio,
327 goto out; 327 goto out;
328 } 328 }
329 329
330 if (psmouse->packet[1] == PSMOUSE_RET_ID) { 330 if (psmouse->packet[1] == PSMOUSE_RET_ID ||
331 (psmouse->type == PSMOUSE_HGPK &&
332 psmouse->packet[1] == PSMOUSE_RET_BAT)) {
331 __psmouse_set_state(psmouse, PSMOUSE_IGNORE); 333 __psmouse_set_state(psmouse, PSMOUSE_IGNORE);
332 serio_reconnect(serio); 334 serio_reconnect(serio);
333 goto out; 335 goto out;
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index 17fd6d46d082..966b8868f792 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -60,7 +60,6 @@ struct mousedev {
60 int exist; 60 int exist;
61 int open; 61 int open;
62 int minor; 62 int minor;
63 char name[16];
64 struct input_handle handle; 63 struct input_handle handle;
65 wait_queue_head_t wait; 64 wait_queue_head_t wait;
66 struct list_head client_list; 65 struct list_head client_list;
@@ -863,19 +862,17 @@ static struct mousedev *mousedev_create(struct input_dev *dev,
863 init_waitqueue_head(&mousedev->wait); 862 init_waitqueue_head(&mousedev->wait);
864 863
865 if (minor == MOUSEDEV_MIX) 864 if (minor == MOUSEDEV_MIX)
866 strlcpy(mousedev->name, "mice", sizeof(mousedev->name)); 865 dev_set_name(&mousedev->dev, "mice");
867 else 866 else
868 snprintf(mousedev->name, sizeof(mousedev->name), 867 dev_set_name(&mousedev->dev, "mouse%d", minor);
869 "mouse%d", minor);
870 868
871 mousedev->minor = minor; 869 mousedev->minor = minor;
872 mousedev->exist = 1; 870 mousedev->exist = 1;
873 mousedev->handle.dev = input_get_device(dev); 871 mousedev->handle.dev = input_get_device(dev);
874 mousedev->handle.name = mousedev->name; 872 mousedev->handle.name = dev_name(&mousedev->dev);
875 mousedev->handle.handler = handler; 873 mousedev->handle.handler = handler;
876 mousedev->handle.private = mousedev; 874 mousedev->handle.private = mousedev;
877 875
878 dev_set_name(&mousedev->dev, mousedev->name);
879 mousedev->dev.class = &input_class; 876 mousedev->dev.class = &input_class;
880 if (dev) 877 if (dev)
881 mousedev->dev.parent = &dev->dev; 878 mousedev->dev.parent = &dev->dev;
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 3cffb704e374..f919bf57293c 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -10,6 +10,7 @@
10 * the Free Software Foundation. 10 * the Free Software Foundation.
11 */ 11 */
12 12
13#include <linux/types.h>
13#include <linux/delay.h> 14#include <linux/delay.h>
14#include <linux/module.h> 15#include <linux/module.h>
15#include <linux/interrupt.h> 16#include <linux/interrupt.h>
@@ -921,6 +922,9 @@ static void i8042_dritek_enable(void)
921#endif 922#endif
922 923
923#ifdef CONFIG_PM 924#ifdef CONFIG_PM
925
926static bool i8042_suspended;
927
924/* 928/*
925 * Here we try to restore the original BIOS settings. We only want to 929 * Here we try to restore the original BIOS settings. We only want to
926 * do that once, when we really suspend, not when we taking memory 930 * do that once, when we really suspend, not when we taking memory
@@ -930,11 +934,9 @@ static void i8042_dritek_enable(void)
930 934
931static int i8042_suspend(struct platform_device *dev, pm_message_t state) 935static int i8042_suspend(struct platform_device *dev, pm_message_t state)
932{ 936{
933 if (dev->dev.power.power_state.event != state.event) { 937 if (!i8042_suspended && state.event == PM_EVENT_SUSPEND) {
934 if (state.event == PM_EVENT_SUSPEND) 938 i8042_controller_reset();
935 i8042_controller_reset(); 939 i8042_suspended = true;
936
937 dev->dev.power.power_state = state;
938 } 940 }
939 941
940 return 0; 942 return 0;
@@ -952,7 +954,7 @@ static int i8042_resume(struct platform_device *dev)
952/* 954/*
953 * Do not bother with restoring state if we haven't suspened yet 955 * Do not bother with restoring state if we haven't suspened yet
954 */ 956 */
955 if (dev->dev.power.power_state.event == PM_EVENT_ON) 957 if (!i8042_suspended)
956 return 0; 958 return 0;
957 959
958 error = i8042_controller_check(); 960 error = i8042_controller_check();
@@ -998,10 +1000,9 @@ static int i8042_resume(struct platform_device *dev)
998 if (i8042_ports[I8042_KBD_PORT_NO].serio) 1000 if (i8042_ports[I8042_KBD_PORT_NO].serio)
999 i8042_enable_kbd_port(); 1001 i8042_enable_kbd_port();
1000 1002
1003 i8042_suspended = false;
1001 i8042_interrupt(0, NULL); 1004 i8042_interrupt(0, NULL);
1002 1005
1003 dev->dev.power.power_state = PMSG_ON;
1004
1005 return 0; 1006 return 0;
1006} 1007}
1007#endif /* CONFIG_PM */ 1008#endif /* CONFIG_PM */
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index bc033250dfcd..fb17573f8f2d 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -41,17 +41,6 @@ MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
41MODULE_DESCRIPTION("Serio abstraction core"); 41MODULE_DESCRIPTION("Serio abstraction core");
42MODULE_LICENSE("GPL"); 42MODULE_LICENSE("GPL");
43 43
44EXPORT_SYMBOL(serio_interrupt);
45EXPORT_SYMBOL(__serio_register_port);
46EXPORT_SYMBOL(serio_unregister_port);
47EXPORT_SYMBOL(serio_unregister_child_port);
48EXPORT_SYMBOL(__serio_register_driver);
49EXPORT_SYMBOL(serio_unregister_driver);
50EXPORT_SYMBOL(serio_open);
51EXPORT_SYMBOL(serio_close);
52EXPORT_SYMBOL(serio_rescan);
53EXPORT_SYMBOL(serio_reconnect);
54
55/* 44/*
56 * serio_mutex protects entire serio subsystem and is taken every time 45 * serio_mutex protects entire serio subsystem and is taken every time
57 * serio port or driver registrered or unregistered. 46 * serio port or driver registrered or unregistered.
@@ -506,9 +495,9 @@ static ssize_t serio_set_bind_mode(struct device *dev, struct device_attribute *
506 495
507 retval = count; 496 retval = count;
508 if (!strncmp(buf, "manual", count)) { 497 if (!strncmp(buf, "manual", count)) {
509 serio->manual_bind = 1; 498 serio->manual_bind = true;
510 } else if (!strncmp(buf, "auto", count)) { 499 } else if (!strncmp(buf, "auto", count)) {
511 serio->manual_bind = 0; 500 serio->manual_bind = false;
512 } else { 501 } else {
513 retval = -EINVAL; 502 retval = -EINVAL;
514 } 503 }
@@ -581,7 +570,7 @@ static void serio_add_port(struct serio *serio)
581 "serio: device_add() failed for %s (%s), error: %d\n", 570 "serio: device_add() failed for %s (%s), error: %d\n",
582 serio->phys, serio->name, error); 571 serio->phys, serio->name, error);
583 else { 572 else {
584 serio->registered = 1; 573 serio->registered = true;
585 error = sysfs_create_group(&serio->dev.kobj, &serio_id_attr_group); 574 error = sysfs_create_group(&serio->dev.kobj, &serio_id_attr_group);
586 if (error) 575 if (error)
587 printk(KERN_ERR 576 printk(KERN_ERR
@@ -617,7 +606,7 @@ static void serio_destroy_port(struct serio *serio)
617 if (serio->registered) { 606 if (serio->registered) {
618 sysfs_remove_group(&serio->dev.kobj, &serio_id_attr_group); 607 sysfs_remove_group(&serio->dev.kobj, &serio_id_attr_group);
619 device_del(&serio->dev); 608 device_del(&serio->dev);
620 serio->registered = 0; 609 serio->registered = false;
621 } 610 }
622 611
623 list_del_init(&serio->node); 612 list_del_init(&serio->node);
@@ -692,11 +681,13 @@ void serio_rescan(struct serio *serio)
692{ 681{
693 serio_queue_event(serio, NULL, SERIO_RESCAN_PORT); 682 serio_queue_event(serio, NULL, SERIO_RESCAN_PORT);
694} 683}
684EXPORT_SYMBOL(serio_rescan);
695 685
696void serio_reconnect(struct serio *serio) 686void serio_reconnect(struct serio *serio)
697{ 687{
698 serio_queue_event(serio, NULL, SERIO_RECONNECT_CHAIN); 688 serio_queue_event(serio, NULL, SERIO_RECONNECT_CHAIN);
699} 689}
690EXPORT_SYMBOL(serio_reconnect);
700 691
701/* 692/*
702 * Submits register request to kseriod for subsequent execution. 693 * Submits register request to kseriod for subsequent execution.
@@ -707,6 +698,7 @@ void __serio_register_port(struct serio *serio, struct module *owner)
707 serio_init_port(serio); 698 serio_init_port(serio);
708 serio_queue_event(serio, owner, SERIO_REGISTER_PORT); 699 serio_queue_event(serio, owner, SERIO_REGISTER_PORT);
709} 700}
701EXPORT_SYMBOL(__serio_register_port);
710 702
711/* 703/*
712 * Synchronously unregisters serio port. 704 * Synchronously unregisters serio port.
@@ -718,6 +710,7 @@ void serio_unregister_port(struct serio *serio)
718 serio_destroy_port(serio); 710 serio_destroy_port(serio);
719 mutex_unlock(&serio_mutex); 711 mutex_unlock(&serio_mutex);
720} 712}
713EXPORT_SYMBOL(serio_unregister_port);
721 714
722/* 715/*
723 * Safely unregisters child port if one is present. 716 * Safely unregisters child port if one is present.
@@ -731,6 +724,7 @@ void serio_unregister_child_port(struct serio *serio)
731 } 724 }
732 mutex_unlock(&serio_mutex); 725 mutex_unlock(&serio_mutex);
733} 726}
727EXPORT_SYMBOL(serio_unregister_child_port);
734 728
735 729
736/* 730/*
@@ -756,9 +750,9 @@ static ssize_t serio_driver_set_bind_mode(struct device_driver *drv, const char
756 750
757 retval = count; 751 retval = count;
758 if (!strncmp(buf, "manual", count)) { 752 if (!strncmp(buf, "manual", count)) {
759 serio_drv->manual_bind = 1; 753 serio_drv->manual_bind = true;
760 } else if (!strncmp(buf, "auto", count)) { 754 } else if (!strncmp(buf, "auto", count)) {
761 serio_drv->manual_bind = 0; 755 serio_drv->manual_bind = false;
762 } else { 756 } else {
763 retval = -EINVAL; 757 retval = -EINVAL;
764 } 758 }
@@ -818,7 +812,7 @@ static void serio_attach_driver(struct serio_driver *drv)
818 812
819int __serio_register_driver(struct serio_driver *drv, struct module *owner, const char *mod_name) 813int __serio_register_driver(struct serio_driver *drv, struct module *owner, const char *mod_name)
820{ 814{
821 int manual_bind = drv->manual_bind; 815 bool manual_bind = drv->manual_bind;
822 int error; 816 int error;
823 817
824 drv->driver.bus = &serio_bus; 818 drv->driver.bus = &serio_bus;
@@ -829,7 +823,7 @@ int __serio_register_driver(struct serio_driver *drv, struct module *owner, cons
829 * Temporarily disable automatic binding because probing 823 * Temporarily disable automatic binding because probing
830 * takes long time and we are better off doing it in kseriod 824 * takes long time and we are better off doing it in kseriod
831 */ 825 */
832 drv->manual_bind = 1; 826 drv->manual_bind = true;
833 827
834 error = driver_register(&drv->driver); 828 error = driver_register(&drv->driver);
835 if (error) { 829 if (error) {
@@ -844,7 +838,7 @@ int __serio_register_driver(struct serio_driver *drv, struct module *owner, cons
844 * driver to free ports 838 * driver to free ports
845 */ 839 */
846 if (!manual_bind) { 840 if (!manual_bind) {
847 drv->manual_bind = 0; 841 drv->manual_bind = false;
848 error = serio_queue_event(drv, NULL, SERIO_ATTACH_DRIVER); 842 error = serio_queue_event(drv, NULL, SERIO_ATTACH_DRIVER);
849 if (error) { 843 if (error) {
850 driver_unregister(&drv->driver); 844 driver_unregister(&drv->driver);
@@ -854,6 +848,7 @@ int __serio_register_driver(struct serio_driver *drv, struct module *owner, cons
854 848
855 return 0; 849 return 0;
856} 850}
851EXPORT_SYMBOL(__serio_register_driver);
857 852
858void serio_unregister_driver(struct serio_driver *drv) 853void serio_unregister_driver(struct serio_driver *drv)
859{ 854{
@@ -861,7 +856,7 @@ void serio_unregister_driver(struct serio_driver *drv)
861 856
862 mutex_lock(&serio_mutex); 857 mutex_lock(&serio_mutex);
863 858
864 drv->manual_bind = 1; /* so serio_find_driver ignores it */ 859 drv->manual_bind = true; /* so serio_find_driver ignores it */
865 serio_remove_pending_events(drv); 860 serio_remove_pending_events(drv);
866 861
867start_over: 862start_over:
@@ -877,6 +872,7 @@ start_over:
877 driver_unregister(&drv->driver); 872 driver_unregister(&drv->driver);
878 mutex_unlock(&serio_mutex); 873 mutex_unlock(&serio_mutex);
879} 874}
875EXPORT_SYMBOL(serio_unregister_driver);
880 876
881static void serio_set_drv(struct serio *serio, struct serio_driver *drv) 877static void serio_set_drv(struct serio *serio, struct serio_driver *drv)
882{ 878{
@@ -937,11 +933,11 @@ static int serio_uevent(struct device *dev, struct kobj_uevent_env *env)
937#ifdef CONFIG_PM 933#ifdef CONFIG_PM
938static int serio_suspend(struct device *dev, pm_message_t state) 934static int serio_suspend(struct device *dev, pm_message_t state)
939{ 935{
940 if (dev->power.power_state.event != state.event) { 936 struct serio *serio = to_serio_port(dev);
941 if (state.event == PM_EVENT_SUSPEND)
942 serio_cleanup(to_serio_port(dev));
943 937
944 dev->power.power_state = state; 938 if (!serio->suspended && state.event == PM_EVENT_SUSPEND) {
939 serio_cleanup(serio);
940 serio->suspended = true;
945 } 941 }
946 942
947 return 0; 943 return 0;
@@ -949,14 +945,15 @@ static int serio_suspend(struct device *dev, pm_message_t state)
949 945
950static int serio_resume(struct device *dev) 946static int serio_resume(struct device *dev)
951{ 947{
948 struct serio *serio = to_serio_port(dev);
949
952 /* 950 /*
953 * Driver reconnect can take a while, so better let kseriod 951 * Driver reconnect can take a while, so better let kseriod
954 * deal with it. 952 * deal with it.
955 */ 953 */
956 if (dev->power.power_state.event != PM_EVENT_ON) { 954 if (serio->suspended) {
957 dev->power.power_state = PMSG_ON; 955 serio->suspended = false;
958 serio_queue_event(to_serio_port(dev), NULL, 956 serio_queue_event(serio, NULL, SERIO_RECONNECT_PORT);
959 SERIO_RECONNECT_PORT);
960 } 957 }
961 958
962 return 0; 959 return 0;
@@ -974,6 +971,7 @@ int serio_open(struct serio *serio, struct serio_driver *drv)
974 } 971 }
975 return 0; 972 return 0;
976} 973}
974EXPORT_SYMBOL(serio_open);
977 975
978/* called from serio_driver->connect/disconnect methods under serio_mutex */ 976/* called from serio_driver->connect/disconnect methods under serio_mutex */
979void serio_close(struct serio *serio) 977void serio_close(struct serio *serio)
@@ -983,6 +981,7 @@ void serio_close(struct serio *serio)
983 981
984 serio_set_drv(serio, NULL); 982 serio_set_drv(serio, NULL);
985} 983}
984EXPORT_SYMBOL(serio_close);
986 985
987irqreturn_t serio_interrupt(struct serio *serio, 986irqreturn_t serio_interrupt(struct serio *serio,
988 unsigned char data, unsigned int dfl) 987 unsigned char data, unsigned int dfl)
@@ -1003,6 +1002,7 @@ irqreturn_t serio_interrupt(struct serio *serio,
1003 1002
1004 return ret; 1003 return ret;
1005} 1004}
1005EXPORT_SYMBOL(serio_interrupt);
1006 1006
1007static struct bus_type serio_bus = { 1007static struct bus_type serio_bus = {
1008 .name = "serio", 1008 .name = "serio",
diff --git a/drivers/input/tablet/gtco.c b/drivers/input/tablet/gtco.c
index 2e18a1c0c351..3d32d3f4e486 100644
--- a/drivers/input/tablet/gtco.c
+++ b/drivers/input/tablet/gtco.c
@@ -1050,4 +1050,5 @@ static void __exit gtco_exit(void)
1050module_init(gtco_init); 1050module_init(gtco_init);
1051module_exit(gtco_exit); 1051module_exit(gtco_exit);
1052 1052
1053MODULE_DESCRIPTION("GTCO digitizer USB driver");
1053MODULE_LICENSE("GPL"); 1054MODULE_LICENSE("GPL");
diff --git a/drivers/input/tablet/wacom.h b/drivers/input/tablet/wacom.h
index 9710bfd49cf9..9114ae1c7488 100644
--- a/drivers/input/tablet/wacom.h
+++ b/drivers/input/tablet/wacom.h
@@ -68,6 +68,7 @@
68 * v1.48 (pc) - Added support for Bamboo1, BambooFun, and Cintiq 12WX 68 * v1.48 (pc) - Added support for Bamboo1, BambooFun, and Cintiq 12WX
69 * v1.49 (pc) - Added support for USB Tablet PC (0x90, 0x93, and 0x9A) 69 * v1.49 (pc) - Added support for USB Tablet PC (0x90, 0x93, and 0x9A)
70 * v1.50 (pc) - Fixed a TabletPC touch bug in 2.6.28 70 * v1.50 (pc) - Fixed a TabletPC touch bug in 2.6.28
71 * v1.51 (pc) - Added support for Intuos4
71 */ 72 */
72 73
73/* 74/*
@@ -88,7 +89,7 @@
88/* 89/*
89 * Version Information 90 * Version Information
90 */ 91 */
91#define DRIVER_VERSION "v1.50" 92#define DRIVER_VERSION "v1.51"
92#define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@ucw.cz>" 93#define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@ucw.cz>"
93#define DRIVER_DESC "USB Wacom Graphire and Wacom Intuos tablet driver" 94#define DRIVER_DESC "USB Wacom Graphire and Wacom Intuos tablet driver"
94#define DRIVER_LICENSE "GPL" 95#define DRIVER_LICENSE "GPL"
@@ -128,6 +129,8 @@ extern void input_dev_g(struct input_dev *input_dev, struct wacom_wac *wacom_wac
128extern void input_dev_i3s(struct input_dev *input_dev, struct wacom_wac *wacom_wac); 129extern void input_dev_i3s(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
129extern void input_dev_i3(struct input_dev *input_dev, struct wacom_wac *wacom_wac); 130extern void input_dev_i3(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
130extern void input_dev_i(struct input_dev *input_dev, struct wacom_wac *wacom_wac); 131extern void input_dev_i(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
132extern void input_dev_i4s(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
133extern void input_dev_i4(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
131extern void input_dev_pl(struct input_dev *input_dev, struct wacom_wac *wacom_wac); 134extern void input_dev_pl(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
132extern void input_dev_pt(struct input_dev *input_dev, struct wacom_wac *wacom_wac); 135extern void input_dev_pt(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
133extern void input_dev_mo(struct input_dev *input_dev, struct wacom_wac *wacom_wac); 136extern void input_dev_mo(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index b8624f27abf9..a9d5031b855e 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -229,6 +229,19 @@ void input_dev_i3(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
229 input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0); 229 input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
230} 230}
231 231
232void input_dev_i4s(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
233{
234 input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_FINGER);
235 input_dev->keybit[BIT_WORD(BTN_MISC)] |= BIT_MASK(BTN_0) | BIT_MASK(BTN_1) | BIT_MASK(BTN_2) | BIT_MASK(BTN_3);
236 input_dev->keybit[BIT_WORD(BTN_MISC)] |= BIT_MASK(BTN_4) | BIT_MASK(BTN_5) | BIT_MASK(BTN_6);
237 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
238}
239
240void input_dev_i4(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
241{
242 input_dev->keybit[BIT_WORD(BTN_MISC)] |= BIT_MASK(BTN_7) | BIT_MASK(BTN_8);
243}
244
232void input_dev_bee(struct input_dev *input_dev, struct wacom_wac *wacom_wac) 245void input_dev_bee(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
233{ 246{
234 input_dev->keybit[BIT_WORD(BTN_MISC)] |= BIT_MASK(BTN_8) | BIT_MASK(BTN_9); 247 input_dev->keybit[BIT_WORD(BTN_MISC)] |= BIT_MASK(BTN_8) | BIT_MASK(BTN_9);
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 2638811c61ac..38bf86384aeb 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -283,10 +283,11 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
283static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo) 283static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo)
284{ 284{
285 unsigned char *data = wacom->data; 285 unsigned char *data = wacom->data;
286 int idx; 286 int idx = 0;
287 287
288 /* tool number */ 288 /* tool number */
289 idx = data[1] & 0x01; 289 if (wacom->features->type == INTUOS)
290 idx = data[1] & 0x01;
290 291
291 /* Enter report */ 292 /* Enter report */
292 if ((data[1] & 0xfc) == 0xc0) { 293 if ((data[1] & 0xfc) == 0xc0) {
@@ -299,6 +300,7 @@ static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo)
299 switch (wacom->id[idx]) { 300 switch (wacom->id[idx]) {
300 case 0x812: /* Inking pen */ 301 case 0x812: /* Inking pen */
301 case 0x801: /* Intuos3 Inking pen */ 302 case 0x801: /* Intuos3 Inking pen */
303 case 0x20802: /* Intuos4 Classic Pen */
302 case 0x012: 304 case 0x012:
303 wacom->tool[idx] = BTN_TOOL_PENCIL; 305 wacom->tool[idx] = BTN_TOOL_PENCIL;
304 break; 306 break;
@@ -308,6 +310,9 @@ static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo)
308 case 0x823: /* Intuos3 Grip Pen */ 310 case 0x823: /* Intuos3 Grip Pen */
309 case 0x813: /* Intuos3 Classic Pen */ 311 case 0x813: /* Intuos3 Classic Pen */
310 case 0x885: /* Intuos3 Marker Pen */ 312 case 0x885: /* Intuos3 Marker Pen */
313 case 0x802: /* Intuos4 Grip Pen Eraser */
314 case 0x804: /* Intuos4 Marker Pen */
315 case 0x40802: /* Intuos4 Classic Pen */
311 case 0x022: 316 case 0x022:
312 wacom->tool[idx] = BTN_TOOL_PEN; 317 wacom->tool[idx] = BTN_TOOL_PEN;
313 break; 318 break;
@@ -319,10 +324,12 @@ static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo)
319 case 0x09c: 324 case 0x09c:
320 case 0x094: 325 case 0x094:
321 case 0x017: /* Intuos3 2D Mouse */ 326 case 0x017: /* Intuos3 2D Mouse */
327 case 0x806: /* Intuos4 Mouse */
322 wacom->tool[idx] = BTN_TOOL_MOUSE; 328 wacom->tool[idx] = BTN_TOOL_MOUSE;
323 break; 329 break;
324 case 0x096: /* Lens cursor */ 330 case 0x096: /* Lens cursor */
325 case 0x097: /* Intuos3 Lens cursor */ 331 case 0x097: /* Intuos3 Lens cursor */
332 case 0x006: /* Intuos4 Lens cursor */
326 wacom->tool[idx] = BTN_TOOL_LENS; 333 wacom->tool[idx] = BTN_TOOL_LENS;
327 break; 334 break;
328 case 0x82a: /* Eraser */ 335 case 0x82a: /* Eraser */
@@ -333,12 +340,17 @@ static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo)
333 case 0x82b: /* Intuos3 Grip Pen Eraser */ 340 case 0x82b: /* Intuos3 Grip Pen Eraser */
334 case 0x81b: /* Intuos3 Classic Pen Eraser */ 341 case 0x81b: /* Intuos3 Classic Pen Eraser */
335 case 0x91b: /* Intuos3 Airbrush Eraser */ 342 case 0x91b: /* Intuos3 Airbrush Eraser */
343 case 0x80c: /* Intuos4 Marker Pen Eraser */
344 case 0x80a: /* Intuos4 Grip Pen Eraser */
345 case 0x4080a: /* Intuos4 Classic Pen Eraser */
346 case 0x90a: /* Intuos4 Airbrush Eraser */
336 wacom->tool[idx] = BTN_TOOL_RUBBER; 347 wacom->tool[idx] = BTN_TOOL_RUBBER;
337 break; 348 break;
338 case 0xd12: 349 case 0xd12:
339 case 0x912: 350 case 0x912:
340 case 0x112: 351 case 0x112:
341 case 0x913: /* Intuos3 Airbrush */ 352 case 0x913: /* Intuos3 Airbrush */
353 case 0x902: /* Intuos4 Airbrush */
342 wacom->tool[idx] = BTN_TOOL_AIRBRUSH; 354 wacom->tool[idx] = BTN_TOOL_AIRBRUSH;
343 break; 355 break;
344 default: /* Unknown tool */ 356 default: /* Unknown tool */
@@ -349,9 +361,15 @@ static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo)
349 361
350 /* Exit report */ 362 /* Exit report */
351 if ((data[1] & 0xfe) == 0x80) { 363 if ((data[1] & 0xfe) == 0x80) {
364 /*
365 * Reset all states otherwise we lose the initial states
366 * when in-prox next time
367 */
352 wacom_report_abs(wcombo, ABS_X, 0); 368 wacom_report_abs(wcombo, ABS_X, 0);
353 wacom_report_abs(wcombo, ABS_Y, 0); 369 wacom_report_abs(wcombo, ABS_Y, 0);
354 wacom_report_abs(wcombo, ABS_DISTANCE, 0); 370 wacom_report_abs(wcombo, ABS_DISTANCE, 0);
371 wacom_report_abs(wcombo, ABS_TILT_X, 0);
372 wacom_report_abs(wcombo, ABS_TILT_Y, 0);
355 if (wacom->tool[idx] >= BTN_TOOL_MOUSE) { 373 if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
356 wacom_report_key(wcombo, BTN_LEFT, 0); 374 wacom_report_key(wcombo, BTN_LEFT, 0);
357 wacom_report_key(wcombo, BTN_MIDDLE, 0); 375 wacom_report_key(wcombo, BTN_MIDDLE, 0);
@@ -362,8 +380,6 @@ static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo)
362 wacom_report_abs(wcombo, ABS_RZ, 0); 380 wacom_report_abs(wcombo, ABS_RZ, 0);
363 } else { 381 } else {
364 wacom_report_abs(wcombo, ABS_PRESSURE, 0); 382 wacom_report_abs(wcombo, ABS_PRESSURE, 0);
365 wacom_report_abs(wcombo, ABS_TILT_X, 0);
366 wacom_report_abs(wcombo, ABS_TILT_Y, 0);
367 wacom_report_key(wcombo, BTN_STYLUS, 0); 383 wacom_report_key(wcombo, BTN_STYLUS, 0);
368 wacom_report_key(wcombo, BTN_STYLUS2, 0); 384 wacom_report_key(wcombo, BTN_STYLUS2, 0);
369 wacom_report_key(wcombo, BTN_TOUCH, 0); 385 wacom_report_key(wcombo, BTN_TOUCH, 0);
@@ -372,6 +388,7 @@ static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo)
372 wacom_report_key(wcombo, wacom->tool[idx], 0); 388 wacom_report_key(wcombo, wacom->tool[idx], 0);
373 wacom_report_abs(wcombo, ABS_MISC, 0); /* reset tool id */ 389 wacom_report_abs(wcombo, ABS_MISC, 0); /* reset tool id */
374 wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, wacom->serial[idx]); 390 wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
391 wacom->id[idx] = 0;
375 return 2; 392 return 2;
376 } 393 }
377 return 0; 394 return 0;
@@ -385,6 +402,8 @@ static void wacom_intuos_general(struct wacom_wac *wacom, void *wcombo)
385 /* general pen packet */ 402 /* general pen packet */
386 if ((data[1] & 0xb8) == 0xa0) { 403 if ((data[1] & 0xb8) == 0xa0) {
387 t = (data[6] << 2) | ((data[7] >> 6) & 3); 404 t = (data[6] << 2) | ((data[7] >> 6) & 3);
405 if (wacom->features->type >= INTUOS4S && wacom->features->type <= INTUOS4L)
406 t = (t << 1) | (data[1] & 1);
388 wacom_report_abs(wcombo, ABS_PRESSURE, t); 407 wacom_report_abs(wcombo, ABS_PRESSURE, t);
389 wacom_report_abs(wcombo, ABS_TILT_X, 408 wacom_report_abs(wcombo, ABS_TILT_X,
390 ((data[7] << 1) & 0x7e) | (data[8] >> 7)); 409 ((data[7] << 1) & 0x7e) | (data[8] >> 7));
@@ -409,7 +428,7 @@ static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo)
409{ 428{
410 unsigned char *data = wacom->data; 429 unsigned char *data = wacom->data;
411 unsigned int t; 430 unsigned int t;
412 int idx, result; 431 int idx = 0, result;
413 432
414 if (data[0] != 2 && data[0] != 5 && data[0] != 6 && data[0] != 12) { 433 if (data[0] != 2 && data[0] != 5 && data[0] != 6 && data[0] != 12) {
415 dbg("wacom_intuos_irq: received unknown report #%d", data[0]); 434 dbg("wacom_intuos_irq: received unknown report #%d", data[0]);
@@ -417,7 +436,8 @@ static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo)
417 } 436 }
418 437
419 /* tool number */ 438 /* tool number */
420 idx = data[1] & 0x01; 439 if (wacom->features->type == INTUOS)
440 idx = data[1] & 0x01;
421 441
422 /* pad packets. Works as a second tool and is always in prox */ 442 /* pad packets. Works as a second tool and is always in prox */
423 if (data[0] == 12) { 443 if (data[0] == 12) {
@@ -425,25 +445,54 @@ static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo)
425 if (wacom->tool[1] != BTN_TOOL_FINGER) 445 if (wacom->tool[1] != BTN_TOOL_FINGER)
426 wacom->tool[1] = BTN_TOOL_FINGER; 446 wacom->tool[1] = BTN_TOOL_FINGER;
427 447
428 wacom_report_key(wcombo, BTN_0, (data[5] & 0x01)); 448 if (wacom->features->type >= INTUOS4S && wacom->features->type <= INTUOS4L) {
429 wacom_report_key(wcombo, BTN_1, (data[5] & 0x02)); 449 wacom_report_key(wcombo, BTN_0, (data[2] & 0x01));
430 wacom_report_key(wcombo, BTN_2, (data[5] & 0x04)); 450 wacom_report_key(wcombo, BTN_1, (data[3] & 0x01));
431 wacom_report_key(wcombo, BTN_3, (data[5] & 0x08)); 451 wacom_report_key(wcombo, BTN_2, (data[3] & 0x02));
432 wacom_report_key(wcombo, BTN_4, (data[6] & 0x01)); 452 wacom_report_key(wcombo, BTN_3, (data[3] & 0x04));
433 wacom_report_key(wcombo, BTN_5, (data[6] & 0x02)); 453 wacom_report_key(wcombo, BTN_4, (data[3] & 0x08));
434 wacom_report_key(wcombo, BTN_6, (data[6] & 0x04)); 454 wacom_report_key(wcombo, BTN_5, (data[3] & 0x10));
435 wacom_report_key(wcombo, BTN_7, (data[6] & 0x08)); 455 wacom_report_key(wcombo, BTN_6, (data[3] & 0x20));
436 wacom_report_key(wcombo, BTN_8, (data[5] & 0x10)); 456 if (data[1] & 0x80) {
437 wacom_report_key(wcombo, BTN_9, (data[6] & 0x10)); 457 wacom_report_abs(wcombo, ABS_WHEEL, (data[1] & 0x7f));
438 wacom_report_abs(wcombo, ABS_RX, ((data[1] & 0x1f) << 8) | data[2]); 458 } else {
439 wacom_report_abs(wcombo, ABS_RY, ((data[3] & 0x1f) << 8) | data[4]); 459 /* Out of proximity, clear wheel value. */
440 460 wacom_report_abs(wcombo, ABS_WHEEL, 0);
441 if ((data[5] & 0x1f) | (data[6] & 0x1f) | (data[1] & 0x1f) | 461 }
442 data[2] | (data[3] & 0x1f) | data[4]) 462 if (wacom->features->type != INTUOS4S) {
443 wacom_report_key(wcombo, wacom->tool[1], 1); 463 wacom_report_key(wcombo, BTN_7, (data[3] & 0x40));
444 else 464 wacom_report_key(wcombo, BTN_8, (data[3] & 0x80));
445 wacom_report_key(wcombo, wacom->tool[1], 0); 465 }
446 wacom_report_abs(wcombo, ABS_MISC, PAD_DEVICE_ID); 466 if (data[1] | (data[2] & 0x01) | data[3]) {
467 wacom_report_key(wcombo, wacom->tool[1], 1);
468 wacom_report_abs(wcombo, ABS_MISC, PAD_DEVICE_ID);
469 } else {
470 wacom_report_key(wcombo, wacom->tool[1], 0);
471 wacom_report_abs(wcombo, ABS_MISC, 0);
472 }
473 } else {
474 wacom_report_key(wcombo, BTN_0, (data[5] & 0x01));
475 wacom_report_key(wcombo, BTN_1, (data[5] & 0x02));
476 wacom_report_key(wcombo, BTN_2, (data[5] & 0x04));
477 wacom_report_key(wcombo, BTN_3, (data[5] & 0x08));
478 wacom_report_key(wcombo, BTN_4, (data[6] & 0x01));
479 wacom_report_key(wcombo, BTN_5, (data[6] & 0x02));
480 wacom_report_key(wcombo, BTN_6, (data[6] & 0x04));
481 wacom_report_key(wcombo, BTN_7, (data[6] & 0x08));
482 wacom_report_key(wcombo, BTN_8, (data[5] & 0x10));
483 wacom_report_key(wcombo, BTN_9, (data[6] & 0x10));
484 wacom_report_abs(wcombo, ABS_RX, ((data[1] & 0x1f) << 8) | data[2]);
485 wacom_report_abs(wcombo, ABS_RY, ((data[3] & 0x1f) << 8) | data[4]);
486
487 if ((data[5] & 0x1f) | (data[6] & 0x1f) | (data[1] & 0x1f) |
488 data[2] | (data[3] & 0x1f) | data[4]) {
489 wacom_report_key(wcombo, wacom->tool[1], 1);
490 wacom_report_abs(wcombo, ABS_MISC, PAD_DEVICE_ID);
491 } else {
492 wacom_report_key(wcombo, wacom->tool[1], 0);
493 wacom_report_abs(wcombo, ABS_MISC, 0);
494 }
495 }
447 wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xffffffff); 496 wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xffffffff);
448 return 1; 497 return 1;
449 } 498 }
@@ -453,10 +502,16 @@ static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo)
453 if (result) 502 if (result)
454 return result-1; 503 return result-1;
455 504
456 /* Only large I3 and I1 & I2 support Lense Cursor */ 505 /* don't proceed if we don't know the ID */
506 if (!wacom->id[idx])
507 return 0;
508
509 /* Only large Intuos support Lense Cursor */
457 if ((wacom->tool[idx] == BTN_TOOL_LENS) 510 if ((wacom->tool[idx] == BTN_TOOL_LENS)
458 && ((wacom->features->type == INTUOS3) 511 && ((wacom->features->type == INTUOS3)
459 || (wacom->features->type == INTUOS3S))) 512 || (wacom->features->type == INTUOS3S)
513 || (wacom->features->type == INTUOS4)
514 || (wacom->features->type == INTUOS4S)))
460 return 0; 515 return 0;
461 516
462 /* Cintiq doesn't send data when RDY bit isn't set */ 517 /* Cintiq doesn't send data when RDY bit isn't set */
@@ -476,8 +531,8 @@ static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo)
476 /* process general packets */ 531 /* process general packets */
477 wacom_intuos_general(wacom, wcombo); 532 wacom_intuos_general(wacom, wcombo);
478 533
479 /* 4D mouse, 2D mouse, marker pen rotation, or Lens cursor packets */ 534 /* 4D mouse, 2D mouse, marker pen rotation, tilt mouse, or Lens cursor packets */
480 if ((data[1] & 0xbc) == 0xa8 || (data[1] & 0xbe) == 0xb0) { 535 if ((data[1] & 0xbc) == 0xa8 || (data[1] & 0xbe) == 0xb0 || (data[1] & 0xbc) == 0xac) {
481 536
482 if (data[1] & 0x02) { 537 if (data[1] & 0x02) {
483 /* Rotation packet */ 538 /* Rotation packet */
@@ -506,20 +561,36 @@ static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo)
506 wacom_report_abs(wcombo, ABS_THROTTLE, (data[8] & 0x08) ? -t : t); 561 wacom_report_abs(wcombo, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
507 562
508 } else if (wacom->tool[idx] == BTN_TOOL_MOUSE) { 563 } else if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
509 /* 2D mouse packet */ 564 /* I4 mouse */
510 wacom_report_key(wcombo, BTN_LEFT, data[8] & 0x04); 565 if (wacom->features->type >= INTUOS4S && wacom->features->type <= INTUOS4L) {
511 wacom_report_key(wcombo, BTN_MIDDLE, data[8] & 0x08); 566 wacom_report_key(wcombo, BTN_LEFT, data[6] & 0x01);
512 wacom_report_key(wcombo, BTN_RIGHT, data[8] & 0x10); 567 wacom_report_key(wcombo, BTN_MIDDLE, data[6] & 0x02);
513 wacom_report_rel(wcombo, REL_WHEEL, (data[8] & 0x01) 568 wacom_report_key(wcombo, BTN_RIGHT, data[6] & 0x04);
569 wacom_report_rel(wcombo, REL_WHEEL, ((data[7] & 0x80) >> 7)
570 - ((data[7] & 0x40) >> 6));
571 wacom_report_key(wcombo, BTN_SIDE, data[6] & 0x08);
572 wacom_report_key(wcombo, BTN_EXTRA, data[6] & 0x10);
573
574 wacom_report_abs(wcombo, ABS_TILT_X,
575 ((data[7] << 1) & 0x7e) | (data[8] >> 7));
576 wacom_report_abs(wcombo, ABS_TILT_Y, data[8] & 0x7f);
577 } else {
578 /* 2D mouse packet */
579 wacom_report_key(wcombo, BTN_LEFT, data[8] & 0x04);
580 wacom_report_key(wcombo, BTN_MIDDLE, data[8] & 0x08);
581 wacom_report_key(wcombo, BTN_RIGHT, data[8] & 0x10);
582 wacom_report_rel(wcombo, REL_WHEEL, (data[8] & 0x01)
514 - ((data[8] & 0x02) >> 1)); 583 - ((data[8] & 0x02) >> 1));
515 584
516 /* I3 2D mouse side buttons */ 585 /* I3 2D mouse side buttons */
517 if (wacom->features->type >= INTUOS3S && wacom->features->type <= INTUOS3L) { 586 if (wacom->features->type >= INTUOS3S && wacom->features->type <= INTUOS3L) {
518 wacom_report_key(wcombo, BTN_SIDE, data[8] & 0x40); 587 wacom_report_key(wcombo, BTN_SIDE, data[8] & 0x40);
519 wacom_report_key(wcombo, BTN_EXTRA, data[8] & 0x20); 588 wacom_report_key(wcombo, BTN_EXTRA, data[8] & 0x20);
589 }
520 } 590 }
521 591 } else if ((wacom->features->type < INTUOS3S || wacom->features->type == INTUOS3L ||
522 } else if (wacom->features->type < INTUOS3S || wacom->features->type == INTUOS3L) { 592 wacom->features->type == INTUOS4L) &&
593 wacom->tool[idx] == BTN_TOOL_LENS) {
523 /* Lens cursor packets */ 594 /* Lens cursor packets */
524 wacom_report_key(wcombo, BTN_LEFT, data[8] & 0x01); 595 wacom_report_key(wcombo, BTN_LEFT, data[8] & 0x01);
525 wacom_report_key(wcombo, BTN_MIDDLE, data[8] & 0x02); 596 wacom_report_key(wcombo, BTN_MIDDLE, data[8] & 0x02);
@@ -581,6 +652,7 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, void *wcombo)
581 } 652 }
582 } else if (touchOut || !prox) { /* force touch out-prox */ 653 } else if (touchOut || !prox) { /* force touch out-prox */
583 wacom_report_abs(wcombo, ABS_MISC, TOUCH_DEVICE_ID); 654 wacom_report_abs(wcombo, ABS_MISC, TOUCH_DEVICE_ID);
655 wacom_report_key(wcombo, wacom->tool[1], 0);
584 wacom_report_key(wcombo, BTN_TOUCH, 0); 656 wacom_report_key(wcombo, BTN_TOUCH, 0);
585 touchOut = 0; 657 touchOut = 0;
586 touchInProx = 1; 658 touchInProx = 1;
@@ -669,6 +741,9 @@ int wacom_wac_irq(struct wacom_wac *wacom_wac, void *wcombo)
669 case INTUOS3S: 741 case INTUOS3S:
670 case INTUOS3: 742 case INTUOS3:
671 case INTUOS3L: 743 case INTUOS3L:
744 case INTUOS4S:
745 case INTUOS4:
746 case INTUOS4L:
672 case CINTIQ: 747 case CINTIQ:
673 case WACOM_BEE: 748 case WACOM_BEE:
674 return wacom_intuos_irq(wacom_wac, wcombo); 749 return wacom_intuos_irq(wacom_wac, wcombo);
@@ -706,6 +781,14 @@ void wacom_init_input_dev(struct input_dev *input_dev, struct wacom_wac *wacom_w
706 case INTUOS: 781 case INTUOS:
707 input_dev_i(input_dev, wacom_wac); 782 input_dev_i(input_dev, wacom_wac);
708 break; 783 break;
784 case INTUOS4:
785 case INTUOS4L:
786 input_dev_i4(input_dev, wacom_wac);
787 /* fall through */
788 case INTUOS4S:
789 input_dev_i4s(input_dev, wacom_wac);
790 input_dev_i(input_dev, wacom_wac);
791 break;
709 case PL: 792 case PL:
710 case PTU: 793 case PTU:
711 case TABLETPC: 794 case TABLETPC:
@@ -766,6 +849,10 @@ static struct wacom_features wacom_features[] = {
766 { "Wacom Intuos3 12x19", 10, 97536, 60960, 1023, 63, INTUOS3L }, 849 { "Wacom Intuos3 12x19", 10, 97536, 60960, 1023, 63, INTUOS3L },
767 { "Wacom Intuos3 6x11", 10, 54204, 31750, 1023, 63, INTUOS3 }, 850 { "Wacom Intuos3 6x11", 10, 54204, 31750, 1023, 63, INTUOS3 },
768 { "Wacom Intuos3 4x6", 10, 31496, 19685, 1023, 63, INTUOS3S }, 851 { "Wacom Intuos3 4x6", 10, 31496, 19685, 1023, 63, INTUOS3S },
852 { "Wacom Intuos4 4x6", 10, 31496, 19685, 2047, 63, INTUOS4S },
853 { "Wacom Intuos4 6x9", 10, 44704, 27940, 2047, 63, INTUOS4 },
854 { "Wacom Intuos4 8x13", 10, 65024, 40640, 2047, 63, INTUOS4L },
855 { "Wacom Intuos4 12x19", 10, 97536, 60960, 2047, 63, INTUOS4L },
769 { "Wacom Cintiq 21UX", 10, 87200, 65600, 1023, 63, CINTIQ }, 856 { "Wacom Cintiq 21UX", 10, 87200, 65600, 1023, 63, CINTIQ },
770 { "Wacom Cintiq 20WSX", 10, 86680, 54180, 1023, 63, WACOM_BEE }, 857 { "Wacom Cintiq 20WSX", 10, 86680, 54180, 1023, 63, WACOM_BEE },
771 { "Wacom Cintiq 12WX", 10, 53020, 33440, 1023, 63, WACOM_BEE }, 858 { "Wacom Cintiq 12WX", 10, 53020, 33440, 1023, 63, WACOM_BEE },
@@ -825,6 +912,10 @@ static struct usb_device_id wacom_ids[] = {
825 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB4) }, 912 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB4) },
826 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB5) }, 913 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB5) },
827 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB7) }, 914 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB7) },
915 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB8) },
916 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB9) },
917 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xBA) },
918 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xBB) },
828 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x3F) }, 919 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x3F) },
829 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xC5) }, 920 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xC5) },
830 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xC6) }, 921 { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xC6) },
diff --git a/drivers/input/tablet/wacom_wac.h b/drivers/input/tablet/wacom_wac.h
index f9c8b69673b7..c10235aba7e5 100644
--- a/drivers/input/tablet/wacom_wac.h
+++ b/drivers/input/tablet/wacom_wac.h
@@ -25,6 +25,9 @@ enum {
25 INTUOS3S, 25 INTUOS3S,
26 INTUOS3, 26 INTUOS3,
27 INTUOS3L, 27 INTUOS3L,
28 INTUOS4S,
29 INTUOS4,
30 INTUOS4L,
28 CINTIQ, 31 CINTIQ,
29 WACOM_BEE, 32 WACOM_BEE,
30 WACOM_MO, 33 WACOM_MO,
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index b01fd61dadcc..1b4a1675cbc8 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -111,6 +111,15 @@ config TOUCHSCREEN_DA9034
111 Say Y here to enable the support for the touchscreen found 111 Say Y here to enable the support for the touchscreen found
112 on Dialog Semiconductor DA9034 PMIC. 112 on Dialog Semiconductor DA9034 PMIC.
113 113
114config TOUCHSCREEN_EETI
115 tristate "EETI touchscreen panel support"
116 depends on I2C
117 help
118 Say Y here to enable support for I2C connected EETI touch panels.
119
120 To compile this driver as a module, choose M here: the
121 module will be called eeti_ts.
122
114config TOUCHSCREEN_FUJITSU 123config TOUCHSCREEN_FUJITSU
115 tristate "Fujitsu serial touchscreen" 124 tristate "Fujitsu serial touchscreen"
116 select SERIO 125 select SERIO
@@ -341,6 +350,21 @@ config TOUCHSCREEN_WM9713
341 Say Y here to enable support for the Wolfson Microelectronics 350 Say Y here to enable support for the Wolfson Microelectronics
342 WM9713 touchscreen controller. 351 WM9713 touchscreen controller.
343 352
353config TOUCHSCREEN_WM97XX_ATMEL
354 tristate "WM97xx Atmel accelerated touch"
355 depends on TOUCHSCREEN_WM97XX && (AVR32 || ARCH_AT91)
356 help
357 Say Y here for support for streaming mode with WM97xx touchscreens
358 on Atmel AT91 or AVR32 systems with an AC97C module.
359
360 Be aware that this will use channel B in the controller for
361 streaming data, this must not conflict with other AC97C drivers.
362
363 If unsure, say N.
364
365 To compile this driver as a module, choose M here: the module will
366 be called atmel-wm97xx.
367
344config TOUCHSCREEN_WM97XX_MAINSTONE 368config TOUCHSCREEN_WM97XX_MAINSTONE
345 tristate "WM97xx Mainstone accelerated touch" 369 tristate "WM97xx Mainstone accelerated touch"
346 depends on TOUCHSCREEN_WM97XX && ARCH_PXA 370 depends on TOUCHSCREEN_WM97XX && ARCH_PXA
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index 6700f7b9d165..10e0be6cea43 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -13,6 +13,7 @@ obj-$(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) += atmel_tsadcc.o
13obj-$(CONFIG_TOUCHSCREEN_BITSY) += h3600_ts_input.o 13obj-$(CONFIG_TOUCHSCREEN_BITSY) += h3600_ts_input.o
14obj-$(CONFIG_TOUCHSCREEN_CORGI) += corgi_ts.o 14obj-$(CONFIG_TOUCHSCREEN_CORGI) += corgi_ts.o
15obj-$(CONFIG_TOUCHSCREEN_GUNZE) += gunze.o 15obj-$(CONFIG_TOUCHSCREEN_GUNZE) += gunze.o
16obj-$(CONFIG_TOUCHSCREEN_EETI) += eeti_ts.o
16obj-$(CONFIG_TOUCHSCREEN_ELO) += elo.o 17obj-$(CONFIG_TOUCHSCREEN_ELO) += elo.o
17obj-$(CONFIG_TOUCHSCREEN_FUJITSU) += fujitsu_ts.o 18obj-$(CONFIG_TOUCHSCREEN_FUJITSU) += fujitsu_ts.o
18obj-$(CONFIG_TOUCHSCREEN_INEXIO) += inexio.o 19obj-$(CONFIG_TOUCHSCREEN_INEXIO) += inexio.o
@@ -35,5 +36,6 @@ obj-$(CONFIG_TOUCHSCREEN_DA9034) += da9034-ts.o
35wm97xx-ts-$(CONFIG_TOUCHSCREEN_WM9705) += wm9705.o 36wm97xx-ts-$(CONFIG_TOUCHSCREEN_WM9705) += wm9705.o
36wm97xx-ts-$(CONFIG_TOUCHSCREEN_WM9712) += wm9712.o 37wm97xx-ts-$(CONFIG_TOUCHSCREEN_WM9712) += wm9712.o
37wm97xx-ts-$(CONFIG_TOUCHSCREEN_WM9713) += wm9713.o 38wm97xx-ts-$(CONFIG_TOUCHSCREEN_WM9713) += wm9713.o
39obj-$(CONFIG_TOUCHSCREEN_WM97XX_ATMEL) += atmel-wm97xx.o
38obj-$(CONFIG_TOUCHSCREEN_WM97XX_MAINSTONE) += mainstone-wm97xx.o 40obj-$(CONFIG_TOUCHSCREEN_WM97XX_MAINSTONE) += mainstone-wm97xx.o
39obj-$(CONFIG_TOUCHSCREEN_WM97XX_ZYLONITE) += zylonite-wm97xx.o 41obj-$(CONFIG_TOUCHSCREEN_WM97XX_ZYLONITE) += zylonite-wm97xx.o
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 2b01e56568f8..90f792c17ab3 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -83,6 +83,7 @@ struct ads7846_packet {
83struct ads7846 { 83struct ads7846 {
84 struct input_dev *input; 84 struct input_dev *input;
85 char phys[32]; 85 char phys[32];
86 char name[32];
86 87
87 struct spi_device *spi; 88 struct spi_device *spi;
88 89
@@ -97,6 +98,8 @@ struct ads7846 {
97 u16 x_plate_ohms; 98 u16 x_plate_ohms;
98 u16 pressure_max; 99 u16 pressure_max;
99 100
101 bool swap_xy;
102
100 struct ads7846_packet *packet; 103 struct ads7846_packet *packet;
101 104
102 struct spi_transfer xfer[18]; 105 struct spi_transfer xfer[18];
@@ -599,6 +602,10 @@ static void ads7846_rx(void *ads)
599 dev_dbg(&ts->spi->dev, "DOWN\n"); 602 dev_dbg(&ts->spi->dev, "DOWN\n");
600#endif 603#endif
601 } 604 }
605
606 if (ts->swap_xy)
607 swap(x, y);
608
602 input_report_abs(input, ABS_X, x); 609 input_report_abs(input, ABS_X, x);
603 input_report_abs(input, ABS_Y, y); 610 input_report_abs(input, ABS_Y, y);
604 input_report_abs(input, ABS_PRESSURE, Rt); 611 input_report_abs(input, ABS_PRESSURE, Rt);
@@ -917,6 +924,7 @@ static int __devinit ads7846_probe(struct spi_device *spi)
917 ts->spi = spi; 924 ts->spi = spi;
918 ts->input = input_dev; 925 ts->input = input_dev;
919 ts->vref_mv = pdata->vref_mv; 926 ts->vref_mv = pdata->vref_mv;
927 ts->swap_xy = pdata->swap_xy;
920 928
921 hrtimer_init(&ts->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); 929 hrtimer_init(&ts->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
922 ts->timer.function = ads7846_timer; 930 ts->timer.function = ads7846_timer;
@@ -958,8 +966,9 @@ static int __devinit ads7846_probe(struct spi_device *spi)
958 ts->wait_for_sync = pdata->wait_for_sync ? : null_wait_for_sync; 966 ts->wait_for_sync = pdata->wait_for_sync ? : null_wait_for_sync;
959 967
960 snprintf(ts->phys, sizeof(ts->phys), "%s/input0", dev_name(&spi->dev)); 968 snprintf(ts->phys, sizeof(ts->phys), "%s/input0", dev_name(&spi->dev));
969 snprintf(ts->name, sizeof(ts->name), "ADS%d Touchscreen", ts->model);
961 970
962 input_dev->name = "ADS784x Touchscreen"; 971 input_dev->name = ts->name;
963 input_dev->phys = ts->phys; 972 input_dev->phys = ts->phys;
964 input_dev->dev.parent = &spi->dev; 973 input_dev->dev.parent = &spi->dev;
965 974
diff --git a/drivers/input/touchscreen/atmel-wm97xx.c b/drivers/input/touchscreen/atmel-wm97xx.c
new file mode 100644
index 000000000000..35377f583e28
--- /dev/null
+++ b/drivers/input/touchscreen/atmel-wm97xx.c
@@ -0,0 +1,446 @@
1/*
2 * Atmel AT91 and AVR32 continuous touch screen driver for Wolfson WM97xx AC97
3 * codecs.
4 *
5 * Copyright (C) 2008 - 2009 Atmel Corporation
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published by
9 * the Free Software Foundation.
10 */
11#include <linux/module.h>
12#include <linux/moduleparam.h>
13#include <linux/kernel.h>
14#include <linux/init.h>
15#include <linux/delay.h>
16#include <linux/irq.h>
17#include <linux/interrupt.h>
18#include <linux/wm97xx.h>
19#include <linux/timer.h>
20#include <linux/gpio.h>
21#include <linux/io.h>
22
23#define AC97C_ICA 0x10
24#define AC97C_CBRHR 0x30
25#define AC97C_CBSR 0x38
26#define AC97C_CBMR 0x3c
27#define AC97C_IER 0x54
28#define AC97C_IDR 0x58
29
30#define AC97C_RXRDY (1 << 4)
31#define AC97C_OVRUN (1 << 5)
32
33#define AC97C_CMR_SIZE_20 (0 << 16)
34#define AC97C_CMR_SIZE_18 (1 << 16)
35#define AC97C_CMR_SIZE_16 (2 << 16)
36#define AC97C_CMR_SIZE_10 (3 << 16)
37#define AC97C_CMR_CEM_LITTLE (1 << 18)
38#define AC97C_CMR_CEM_BIG (0 << 18)
39#define AC97C_CMR_CENA (1 << 21)
40
41#define AC97C_INT_CBEVT (1 << 4)
42
43#define AC97C_SR_CAEVT (1 << 3)
44
45#define AC97C_CH_MASK(slot) \
46 (0x7 << (3 * (slot - 3)))
47#define AC97C_CH_ASSIGN(slot, channel) \
48 (AC97C_CHANNEL_##channel << (3 * (slot - 3)))
49#define AC97C_CHANNEL_NONE 0x0
50#define AC97C_CHANNEL_B 0x2
51
52#define ac97c_writel(chip, reg, val) \
53 __raw_writel((val), (chip)->regs + AC97C_##reg)
54#define ac97c_readl(chip, reg) \
55 __raw_readl((chip)->regs + AC97C_##reg)
56
57#ifdef CONFIG_CPU_AT32AP700X
58#define ATMEL_WM97XX_AC97C_IOMEM (0xfff02800)
59#define ATMEL_WM97XX_AC97C_IRQ (29)
60#define ATMEL_WM97XX_GPIO_DEFAULT (32+16) /* Pin 16 on port B. */
61#else
62#error Unkown CPU, this driver only supports AT32AP700X CPUs.
63#endif
64
65struct continuous {
66 u16 id; /* codec id */
67 u8 code; /* continuous code */
68 u8 reads; /* number of coord reads per read cycle */
69 u32 speed; /* number of coords per second */
70};
71
72#define WM_READS(sp) ((sp / HZ) + 1)
73
74static const struct continuous cinfo[] = {
75 {WM9705_ID2, 0, WM_READS(94), 94},
76 {WM9705_ID2, 1, WM_READS(188), 188},
77 {WM9705_ID2, 2, WM_READS(375), 375},
78 {WM9705_ID2, 3, WM_READS(750), 750},
79 {WM9712_ID2, 0, WM_READS(94), 94},
80 {WM9712_ID2, 1, WM_READS(188), 188},
81 {WM9712_ID2, 2, WM_READS(375), 375},
82 {WM9712_ID2, 3, WM_READS(750), 750},
83 {WM9713_ID2, 0, WM_READS(94), 94},
84 {WM9713_ID2, 1, WM_READS(120), 120},
85 {WM9713_ID2, 2, WM_READS(154), 154},
86 {WM9713_ID2, 3, WM_READS(188), 188},
87};
88
89/* Continuous speed index. */
90static int sp_idx;
91
92/*
93 * Pen sampling frequency (Hz) in continuous mode.
94 */
95static int cont_rate = 188;
96module_param(cont_rate, int, 0);
97MODULE_PARM_DESC(cont_rate, "Sampling rate in continuous mode (Hz)");
98
99/*
100 * Pen down detection.
101 *
102 * This driver can either poll or use an interrupt to indicate a pen down
103 * event. If the irq request fails then it will fall back to polling mode.
104 */
105static int pen_int = 1;
106module_param(pen_int, int, 0);
107MODULE_PARM_DESC(pen_int, "Pen down detection (1 = interrupt, 0 = polling)");
108
109/*
110 * Pressure readback.
111 *
112 * Set to 1 to read back pen down pressure.
113 */
114static int pressure;
115module_param(pressure, int, 0);
116MODULE_PARM_DESC(pressure, "Pressure readback (1 = pressure, 0 = no pressure)");
117
118/*
119 * AC97 touch data slot.
120 *
121 * Touch screen readback data ac97 slot.
122 */
123static int ac97_touch_slot = 5;
124module_param(ac97_touch_slot, int, 0);
125MODULE_PARM_DESC(ac97_touch_slot, "Touch screen data slot AC97 number");
126
127/*
128 * GPIO line number.
129 *
130 * Set to GPIO number where the signal from the WM97xx device is hooked up.
131 */
132static int atmel_gpio_line = ATMEL_WM97XX_GPIO_DEFAULT;
133module_param(atmel_gpio_line, int, 0);
134MODULE_PARM_DESC(atmel_gpio_line, "GPIO line number connected to WM97xx");
135
136struct atmel_wm97xx {
137 struct wm97xx *wm;
138 struct timer_list pen_timer;
139 void __iomem *regs;
140 unsigned long ac97c_irq;
141 unsigned long gpio_pen;
142 unsigned long gpio_irq;
143 unsigned short x;
144 unsigned short y;
145};
146
147static irqreturn_t atmel_wm97xx_channel_b_interrupt(int irq, void *dev_id)
148{
149 struct atmel_wm97xx *atmel_wm97xx = dev_id;
150 struct wm97xx *wm = atmel_wm97xx->wm;
151 int status = ac97c_readl(atmel_wm97xx, CBSR);
152 irqreturn_t retval = IRQ_NONE;
153
154 if (status & AC97C_OVRUN) {
155 dev_dbg(&wm->touch_dev->dev, "AC97C overrun\n");
156 ac97c_readl(atmel_wm97xx, CBRHR);
157 retval = IRQ_HANDLED;
158 } else if (status & AC97C_RXRDY) {
159 u16 data;
160 u16 value;
161 u16 source;
162 u16 pen_down;
163
164 data = ac97c_readl(atmel_wm97xx, CBRHR);
165 value = data & 0x0fff;
166 source = data & WM97XX_ADCSRC_MASK;
167 pen_down = (data & WM97XX_PEN_DOWN) >> 8;
168
169 if (source == WM97XX_ADCSEL_X)
170 atmel_wm97xx->x = value;
171 if (source == WM97XX_ADCSEL_Y)
172 atmel_wm97xx->y = value;
173
174 if (!pressure && source == WM97XX_ADCSEL_Y) {
175 input_report_abs(wm->input_dev, ABS_X, atmel_wm97xx->x);
176 input_report_abs(wm->input_dev, ABS_Y, atmel_wm97xx->y);
177 input_report_key(wm->input_dev, BTN_TOUCH, pen_down);
178 input_sync(wm->input_dev);
179 } else if (pressure && source == WM97XX_ADCSEL_PRES) {
180 input_report_abs(wm->input_dev, ABS_X, atmel_wm97xx->x);
181 input_report_abs(wm->input_dev, ABS_Y, atmel_wm97xx->y);
182 input_report_abs(wm->input_dev, ABS_PRESSURE, value);
183 input_report_key(wm->input_dev, BTN_TOUCH, value);
184 input_sync(wm->input_dev);
185 }
186
187 retval = IRQ_HANDLED;
188 }
189
190 return retval;
191}
192
193static void atmel_wm97xx_acc_pen_up(struct wm97xx *wm)
194{
195 struct atmel_wm97xx *atmel_wm97xx = platform_get_drvdata(wm->touch_dev);
196 struct input_dev *input_dev = wm->input_dev;
197 int pen_down = gpio_get_value(atmel_wm97xx->gpio_pen);
198
199 if (pen_down != 0) {
200 mod_timer(&atmel_wm97xx->pen_timer,
201 jiffies + msecs_to_jiffies(1));
202 } else {
203 if (pressure)
204 input_report_abs(input_dev, ABS_PRESSURE, 0);
205 input_report_key(input_dev, BTN_TOUCH, 0);
206 input_sync(input_dev);
207 }
208}
209
210static void atmel_wm97xx_pen_timer(unsigned long data)
211{
212 atmel_wm97xx_acc_pen_up((struct wm97xx *)data);
213}
214
215static int atmel_wm97xx_acc_startup(struct wm97xx *wm)
216{
217 struct atmel_wm97xx *atmel_wm97xx = platform_get_drvdata(wm->touch_dev);
218 int idx = 0;
219
220 if (wm->ac97 == NULL)
221 return -ENODEV;
222
223 for (idx = 0; idx < ARRAY_SIZE(cinfo); idx++) {
224 if (wm->id != cinfo[idx].id)
225 continue;
226
227 sp_idx = idx;
228
229 if (cont_rate <= cinfo[idx].speed)
230 break;
231 }
232
233 wm->acc_rate = cinfo[sp_idx].code;
234 wm->acc_slot = ac97_touch_slot;
235 dev_info(&wm->touch_dev->dev, "atmel accelerated touchscreen driver, "
236 "%d samples/sec\n", cinfo[sp_idx].speed);
237
238 if (pen_int) {
239 unsigned long reg;
240
241 wm->pen_irq = atmel_wm97xx->gpio_irq;
242
243 switch (wm->id) {
244 case WM9712_ID2: /* Fall through. */
245 case WM9713_ID2:
246 /*
247 * Use GPIO 13 (PEN_DOWN) to assert GPIO line 3
248 * (PENDOWN).
249 */
250 wm97xx_config_gpio(wm, WM97XX_GPIO_13, WM97XX_GPIO_IN,
251 WM97XX_GPIO_POL_HIGH,
252 WM97XX_GPIO_STICKY,
253 WM97XX_GPIO_WAKE);
254 wm97xx_config_gpio(wm, WM97XX_GPIO_3, WM97XX_GPIO_OUT,
255 WM97XX_GPIO_POL_HIGH,
256 WM97XX_GPIO_NOTSTICKY,
257 WM97XX_GPIO_NOWAKE);
258 case WM9705_ID2: /* Fall through. */
259 /*
260 * Enable touch data slot in AC97 controller channel B.
261 */
262 reg = ac97c_readl(atmel_wm97xx, ICA);
263 reg &= ~AC97C_CH_MASK(wm->acc_slot);
264 reg |= AC97C_CH_ASSIGN(wm->acc_slot, B);
265 ac97c_writel(atmel_wm97xx, ICA, reg);
266
267 /*
268 * Enable channel and interrupt for RXRDY and OVERRUN.
269 */
270 ac97c_writel(atmel_wm97xx, CBMR, AC97C_CMR_CENA
271 | AC97C_CMR_CEM_BIG
272 | AC97C_CMR_SIZE_16
273 | AC97C_OVRUN
274 | AC97C_RXRDY);
275 /* Dummy read to empty RXRHR. */
276 ac97c_readl(atmel_wm97xx, CBRHR);
277 /*
278 * Enable interrupt for channel B in the AC97
279 * controller.
280 */
281 ac97c_writel(atmel_wm97xx, IER, AC97C_INT_CBEVT);
282 break;
283 default:
284 dev_err(&wm->touch_dev->dev, "pen down irq not "
285 "supported on this device\n");
286 pen_int = 0;
287 break;
288 }
289 }
290
291 return 0;
292}
293
294static void atmel_wm97xx_acc_shutdown(struct wm97xx *wm)
295{
296 if (pen_int) {
297 struct atmel_wm97xx *atmel_wm97xx =
298 platform_get_drvdata(wm->touch_dev);
299 unsigned long ica;
300
301 switch (wm->id & 0xffff) {
302 case WM9705_ID2: /* Fall through. */
303 case WM9712_ID2: /* Fall through. */
304 case WM9713_ID2:
305 /* Disable slot and turn off channel B interrupts. */
306 ica = ac97c_readl(atmel_wm97xx, ICA);
307 ica &= ~AC97C_CH_MASK(wm->acc_slot);
308 ac97c_writel(atmel_wm97xx, ICA, ica);
309 ac97c_writel(atmel_wm97xx, IDR, AC97C_INT_CBEVT);
310 ac97c_writel(atmel_wm97xx, CBMR, 0);
311 wm->pen_irq = 0;
312 break;
313 default:
314 dev_err(&wm->touch_dev->dev, "unknown codec\n");
315 break;
316 }
317 }
318}
319
320static void atmel_wm97xx_irq_enable(struct wm97xx *wm, int enable)
321{
322 /* Intentionally left empty. */
323}
324
325static struct wm97xx_mach_ops atmel_mach_ops = {
326 .acc_enabled = 1,
327 .acc_pen_up = atmel_wm97xx_acc_pen_up,
328 .acc_startup = atmel_wm97xx_acc_startup,
329 .acc_shutdown = atmel_wm97xx_acc_shutdown,
330 .irq_enable = atmel_wm97xx_irq_enable,
331 .irq_gpio = WM97XX_GPIO_3,
332};
333
334static int __init atmel_wm97xx_probe(struct platform_device *pdev)
335{
336 struct wm97xx *wm = platform_get_drvdata(pdev);
337 struct atmel_wm97xx *atmel_wm97xx;
338 int ret;
339
340 atmel_wm97xx = kzalloc(sizeof(struct atmel_wm97xx), GFP_KERNEL);
341 if (!atmel_wm97xx) {
342 dev_dbg(&pdev->dev, "out of memory\n");
343 return -ENOMEM;
344 }
345
346 atmel_wm97xx->wm = wm;
347 atmel_wm97xx->regs = (void *)ATMEL_WM97XX_AC97C_IOMEM;
348 atmel_wm97xx->ac97c_irq = ATMEL_WM97XX_AC97C_IRQ;
349 atmel_wm97xx->gpio_pen = atmel_gpio_line;
350 atmel_wm97xx->gpio_irq = gpio_to_irq(atmel_wm97xx->gpio_pen);
351
352 setup_timer(&atmel_wm97xx->pen_timer, atmel_wm97xx_pen_timer,
353 (unsigned long)wm);
354
355 ret = request_irq(atmel_wm97xx->ac97c_irq,
356 atmel_wm97xx_channel_b_interrupt,
357 IRQF_SHARED, "atmel-wm97xx-ch-b", atmel_wm97xx);
358 if (ret) {
359 dev_dbg(&pdev->dev, "could not request ac97c irq\n");
360 goto err;
361 }
362
363 platform_set_drvdata(pdev, atmel_wm97xx);
364
365 ret = wm97xx_register_mach_ops(wm, &atmel_mach_ops);
366 if (ret)
367 goto err_irq;
368
369 return ret;
370
371err_irq:
372 free_irq(atmel_wm97xx->ac97c_irq, atmel_wm97xx);
373err:
374 platform_set_drvdata(pdev, NULL);
375 kfree(atmel_wm97xx);
376 return ret;
377}
378
379static int __exit atmel_wm97xx_remove(struct platform_device *pdev)
380{
381 struct atmel_wm97xx *atmel_wm97xx = platform_get_drvdata(pdev);
382 struct wm97xx *wm = atmel_wm97xx->wm;
383
384 ac97c_writel(atmel_wm97xx, IDR, AC97C_INT_CBEVT);
385 free_irq(atmel_wm97xx->ac97c_irq, atmel_wm97xx);
386 del_timer_sync(&atmel_wm97xx->pen_timer);
387 wm97xx_unregister_mach_ops(wm);
388 platform_set_drvdata(pdev, NULL);
389 kfree(atmel_wm97xx);
390
391 return 0;
392}
393
394#ifdef CONFIG_PM
395static int atmel_wm97xx_suspend(struct platform_device *pdev, pm_message_t msg)
396{
397 struct atmel_wm97xx *atmel_wm97xx = platform_get_drvdata(pdev);
398
399 ac97c_writel(atmel_wm97xx, IDR, AC97C_INT_CBEVT);
400 disable_irq(atmel_wm97xx->gpio_irq);
401 del_timer_sync(&atmel_wm97xx->pen_timer);
402
403 return 0;
404}
405
406static int atmel_wm97xx_resume(struct platform_device *pdev)
407{
408 struct atmel_wm97xx *atmel_wm97xx = platform_get_drvdata(pdev);
409 struct wm97xx *wm = atmel_wm97xx->wm;
410
411 if (wm->input_dev->users) {
412 enable_irq(atmel_wm97xx->gpio_irq);
413 ac97c_writel(atmel_wm97xx, IER, AC97C_INT_CBEVT);
414 }
415
416 return 0;
417}
418#else
419#define atmel_wm97xx_suspend NULL
420#define atmel_wm97xx_resume NULL
421#endif
422
423static struct platform_driver atmel_wm97xx_driver = {
424 .remove = __exit_p(atmel_wm97xx_remove),
425 .driver = {
426 .name = "wm97xx-touch",
427 },
428 .suspend = atmel_wm97xx_suspend,
429 .resume = atmel_wm97xx_resume,
430};
431
432static int __init atmel_wm97xx_init(void)
433{
434 return platform_driver_probe(&atmel_wm97xx_driver, atmel_wm97xx_probe);
435}
436module_init(atmel_wm97xx_init);
437
438static void __exit atmel_wm97xx_exit(void)
439{
440 platform_driver_unregister(&atmel_wm97xx_driver);
441}
442module_exit(atmel_wm97xx_exit);
443
444MODULE_AUTHOR("Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>");
445MODULE_DESCRIPTION("wm97xx continuous touch driver for Atmel AT91 and AVR32");
446MODULE_LICENSE("GPL");
diff --git a/drivers/input/touchscreen/eeti_ts.c b/drivers/input/touchscreen/eeti_ts.c
new file mode 100644
index 000000000000..3ab92222a525
--- /dev/null
+++ b/drivers/input/touchscreen/eeti_ts.c
@@ -0,0 +1,286 @@
1/*
2 * Touch Screen driver for EETI's I2C connected touch screen panels
3 * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
4 *
5 * See EETI's software guide for the protocol specification:
6 * http://home.eeti.com.tw/web20/eg/guide.htm
7 *
8 * Based on migor_ts.c
9 * Copyright (c) 2008 Magnus Damm
10 * Copyright (c) 2007 Ujjwal Pande <ujjwal@kenati.com>
11 *
12 * This file is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public
14 * License as published by the Free Software Foundation; either
15 * version 2 of the License, or (at your option) any later version.
16 *
17 * This file is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public
23 * License along with this library; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 */
26
27#include <linux/module.h>
28#include <linux/moduleparam.h>
29#include <linux/kernel.h>
30#include <linux/input.h>
31#include <linux/interrupt.h>
32#include <linux/i2c.h>
33#include <linux/timer.h>
34#include <linux/gpio.h>
35
36static int flip_x;
37module_param(flip_x, bool, 0644);
38MODULE_PARM_DESC(flip_x, "flip x coordinate");
39
40static int flip_y;
41module_param(flip_y, bool, 0644);
42MODULE_PARM_DESC(flip_y, "flip y coordinate");
43
44struct eeti_ts_priv {
45 struct i2c_client *client;
46 struct input_dev *input;
47 struct work_struct work;
48 struct mutex mutex;
49 int irq;
50};
51
52#define EETI_TS_BITDEPTH (11)
53#define EETI_MAXVAL ((1 << (EETI_TS_BITDEPTH + 1)) - 1)
54
55#define REPORT_BIT_PRESSED (1 << 0)
56#define REPORT_BIT_AD0 (1 << 1)
57#define REPORT_BIT_AD1 (1 << 2)
58#define REPORT_BIT_HAS_PRESSURE (1 << 6)
59#define REPORT_RES_BITS(v) (((v) >> 1) + EETI_TS_BITDEPTH)
60
61static void eeti_ts_read(struct work_struct *work)
62{
63 char buf[6];
64 unsigned int x, y, res, pressed, to = 100;
65 struct eeti_ts_priv *priv =
66 container_of(work, struct eeti_ts_priv, work);
67
68 mutex_lock(&priv->mutex);
69
70 while (!gpio_get_value(irq_to_gpio(priv->irq)) && --to)
71 i2c_master_recv(priv->client, buf, sizeof(buf));
72
73 if (!to) {
74 dev_err(&priv->client->dev,
75 "unable to clear IRQ - line stuck?\n");
76 goto out;
77 }
78
79 /* drop non-report packets */
80 if (!(buf[0] & 0x80))
81 goto out;
82
83 pressed = buf[0] & REPORT_BIT_PRESSED;
84 res = REPORT_RES_BITS(buf[0] & (REPORT_BIT_AD0 | REPORT_BIT_AD1));
85 x = buf[2] | (buf[1] << 8);
86 y = buf[4] | (buf[3] << 8);
87
88 /* fix the range to 11 bits */
89 x >>= res - EETI_TS_BITDEPTH;
90 y >>= res - EETI_TS_BITDEPTH;
91
92 if (flip_x)
93 x = EETI_MAXVAL - x;
94
95 if (flip_y)
96 y = EETI_MAXVAL - y;
97
98 if (buf[0] & REPORT_BIT_HAS_PRESSURE)
99 input_report_abs(priv->input, ABS_PRESSURE, buf[5]);
100
101 input_report_abs(priv->input, ABS_X, x);
102 input_report_abs(priv->input, ABS_Y, y);
103 input_report_key(priv->input, BTN_TOUCH, !!pressed);
104 input_sync(priv->input);
105
106out:
107 mutex_unlock(&priv->mutex);
108}
109
110static irqreturn_t eeti_ts_isr(int irq, void *dev_id)
111{
112 struct eeti_ts_priv *priv = dev_id;
113
114 /* postpone I2C transactions as we are atomic */
115 schedule_work(&priv->work);
116
117 return IRQ_HANDLED;
118}
119
120static int eeti_ts_open(struct input_dev *dev)
121{
122 struct eeti_ts_priv *priv = input_get_drvdata(dev);
123
124 enable_irq(priv->irq);
125
126 /* Read the events once to arm the IRQ */
127 eeti_ts_read(&priv->work);
128
129 return 0;
130}
131
132static void eeti_ts_close(struct input_dev *dev)
133{
134 struct eeti_ts_priv *priv = input_get_drvdata(dev);
135
136 disable_irq(priv->irq);
137 cancel_work_sync(&priv->work);
138}
139
140static int __devinit eeti_ts_probe(struct i2c_client *client,
141 const struct i2c_device_id *idp)
142{
143 struct eeti_ts_priv *priv;
144 struct input_dev *input;
145 int err = -ENOMEM;
146
147 /* In contrast to what's described in the datasheet, there seems
148 * to be no way of probing the presence of that device using I2C
149 * commands. So we need to blindly believe it is there, and wait
150 * for interrupts to occur. */
151
152 priv = kzalloc(sizeof(*priv), GFP_KERNEL);
153 if (!priv) {
154 dev_err(&client->dev, "failed to allocate driver data\n");
155 goto err0;
156 }
157
158 mutex_init(&priv->mutex);
159 input = input_allocate_device();
160
161 if (!input) {
162 dev_err(&client->dev, "Failed to allocate input device.\n");
163 goto err1;
164 }
165
166 input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
167 input->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
168
169 input_set_abs_params(input, ABS_X, 0, EETI_MAXVAL, 0, 0);
170 input_set_abs_params(input, ABS_Y, 0, EETI_MAXVAL, 0, 0);
171 input_set_abs_params(input, ABS_PRESSURE, 0, 0xff, 0, 0);
172
173 input->name = client->name;
174 input->id.bustype = BUS_I2C;
175 input->dev.parent = &client->dev;
176 input->open = eeti_ts_open;
177 input->close = eeti_ts_close;
178
179 priv->client = client;
180 priv->input = input;
181 priv->irq = client->irq;
182
183 INIT_WORK(&priv->work, eeti_ts_read);
184 i2c_set_clientdata(client, priv);
185 input_set_drvdata(input, priv);
186
187 err = input_register_device(input);
188 if (err)
189 goto err1;
190
191 err = request_irq(priv->irq, eeti_ts_isr, IRQF_TRIGGER_FALLING,
192 client->name, priv);
193 if (err) {
194 dev_err(&client->dev, "Unable to request touchscreen IRQ.\n");
195 goto err2;
196 }
197
198 /* Disable the irq for now. It will be enabled once the input device
199 * is opened. */
200 disable_irq(priv->irq);
201
202 device_init_wakeup(&client->dev, 0);
203 return 0;
204
205err2:
206 input_unregister_device(input);
207 input = NULL; /* so we dont try to free it below */
208err1:
209 input_free_device(input);
210 i2c_set_clientdata(client, NULL);
211 kfree(priv);
212err0:
213 return err;
214}
215
216static int __devexit eeti_ts_remove(struct i2c_client *client)
217{
218 struct eeti_ts_priv *priv = i2c_get_clientdata(client);
219
220 free_irq(priv->irq, priv);
221 input_unregister_device(priv->input);
222 i2c_set_clientdata(client, NULL);
223 kfree(priv);
224
225 return 0;
226}
227
228#ifdef CONFIG_PM
229static int eeti_ts_suspend(struct i2c_client *client, pm_message_t mesg)
230{
231 struct eeti_ts_priv *priv = i2c_get_clientdata(client);
232
233 if (device_may_wakeup(&client->dev))
234 enable_irq_wake(priv->irq);
235
236 return 0;
237}
238
239static int eeti_ts_resume(struct i2c_client *client)
240{
241 struct eeti_ts_priv *priv = i2c_get_clientdata(client);
242
243 if (device_may_wakeup(&client->dev))
244 disable_irq_wake(priv->irq);
245
246 return 0;
247}
248#else
249#define eeti_ts_suspend NULL
250#define eeti_ts_resume NULL
251#endif
252
253static const struct i2c_device_id eeti_ts_id[] = {
254 { "eeti_ts", 0 },
255 { }
256};
257MODULE_DEVICE_TABLE(i2c, eeti_ts_id);
258
259static struct i2c_driver eeti_ts_driver = {
260 .driver = {
261 .name = "eeti_ts",
262 },
263 .probe = eeti_ts_probe,
264 .remove = __devexit_p(eeti_ts_remove),
265 .suspend = eeti_ts_suspend,
266 .resume = eeti_ts_resume,
267 .id_table = eeti_ts_id,
268};
269
270static int __init eeti_ts_init(void)
271{
272 return i2c_add_driver(&eeti_ts_driver);
273}
274
275static void __exit eeti_ts_exit(void)
276{
277 i2c_del_driver(&eeti_ts_driver);
278}
279
280MODULE_DESCRIPTION("EETI Touchscreen driver");
281MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>");
282MODULE_LICENSE("GPL");
283
284module_init(eeti_ts_init);
285module_exit(eeti_ts_exit);
286
diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c
index 948e167557f1..880f58c6a7c4 100644
--- a/drivers/input/touchscreen/tsc2007.c
+++ b/drivers/input/touchscreen/tsc2007.c
@@ -257,7 +257,7 @@ static int tsc2007_probe(struct i2c_client *client,
257 struct input_dev *input_dev; 257 struct input_dev *input_dev;
258 int err; 258 int err;
259 259
260 if (!pdata) { 260 if (!pdata || !pdata->get_pendown_state) {
261 dev_err(&client->dev, "platform data is required!\n"); 261 dev_err(&client->dev, "platform data is required!\n");
262 return -EINVAL; 262 return -EINVAL;
263 } 263 }
diff --git a/drivers/input/touchscreen/wm97xx-core.c b/drivers/input/touchscreen/wm97xx-core.c
index 69af8385ab14..2957d48e0045 100644
--- a/drivers/input/touchscreen/wm97xx-core.c
+++ b/drivers/input/touchscreen/wm97xx-core.c
@@ -569,7 +569,7 @@ static int wm97xx_probe(struct device *dev)
569 mutex_init(&wm->codec_mutex); 569 mutex_init(&wm->codec_mutex);
570 570
571 wm->dev = dev; 571 wm->dev = dev;
572 dev->driver_data = wm; 572 dev_set_drvdata(dev, wm);
573 wm->ac97 = to_ac97_t(dev); 573 wm->ac97 = to_ac97_t(dev);
574 574
575 /* check that we have a supported codec */ 575 /* check that we have a supported codec */
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-01 14:49:34 -0400