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-rw-r--r--drivers/input/gameport/gameport.c2
-rw-r--r--drivers/input/input.c37
-rw-r--r--drivers/input/keyboard/Kconfig10
-rw-r--r--drivers/input/keyboard/Makefile1
-rw-r--r--drivers/input/keyboard/gpio_keys.c6
-rw-r--r--drivers/input/keyboard/tegra-kbc.c783
-rw-r--r--drivers/input/keyboard/tnetv107x-keypad.c5
-rw-r--r--drivers/input/misc/ixp4xx-beeper.c6
-rw-r--r--drivers/input/misc/rotary_encoder.c4
-rw-r--r--drivers/input/mouse/synaptics.c32
-rw-r--r--drivers/input/mouse/synaptics.h23
-rw-r--r--drivers/input/serio/ambakmi.c3
-rw-r--r--drivers/input/serio/ct82c710.c8
-rw-r--r--drivers/input/serio/serio.c13
-rw-r--r--drivers/input/serio/serport.c24
-rw-r--r--drivers/input/sparse-keymap.c1
-rw-r--r--drivers/input/tablet/wacom_sys.c2
-rw-r--r--drivers/input/tablet/wacom_wac.c27
-rw-r--r--drivers/input/touchscreen/ads7846.c38
-rw-r--r--drivers/input/touchscreen/bu21013_ts.c39
-rw-r--r--drivers/input/touchscreen/tnetv107x-ts.c5
-rw-r--r--drivers/input/touchscreen/wacom_w8001.c13
22 files changed, 996 insertions, 86 deletions
diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c
index 23cf8fc933ec..5b8f59d6c3e8 100644
--- a/drivers/input/gameport/gameport.c
+++ b/drivers/input/gameport/gameport.c
@@ -360,7 +360,7 @@ static int gameport_queue_event(void *object, struct module *owner,
360 event->owner = owner; 360 event->owner = owner;
361 361
362 list_add_tail(&event->node, &gameport_event_list); 362 list_add_tail(&event->node, &gameport_event_list);
363 schedule_work(&gameport_event_work); 363 queue_work(system_long_wq, &gameport_event_work);
364 364
365out: 365out:
366 spin_unlock_irqrestore(&gameport_event_lock, flags); 366 spin_unlock_irqrestore(&gameport_event_lock, flags);
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 7985114beac7..11905b6a3023 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -75,7 +75,6 @@ static int input_defuzz_abs_event(int value, int old_val, int fuzz)
75 * dev->event_lock held and interrupts disabled. 75 * dev->event_lock held and interrupts disabled.
76 */ 76 */
77static void input_pass_event(struct input_dev *dev, 77static void input_pass_event(struct input_dev *dev,
78 struct input_handler *src_handler,
79 unsigned int type, unsigned int code, int value) 78 unsigned int type, unsigned int code, int value)
80{ 79{
81 struct input_handler *handler; 80 struct input_handler *handler;
@@ -94,15 +93,6 @@ static void input_pass_event(struct input_dev *dev,
94 continue; 93 continue;
95 94
96 handler = handle->handler; 95 handler = handle->handler;
97
98 /*
99 * If this is the handler that injected this
100 * particular event we want to skip it to avoid
101 * filters firing again and again.
102 */
103 if (handler == src_handler)
104 continue;
105
106 if (!handler->filter) { 96 if (!handler->filter) {
107 if (filtered) 97 if (filtered)
108 break; 98 break;
@@ -132,7 +122,7 @@ static void input_repeat_key(unsigned long data)
132 if (test_bit(dev->repeat_key, dev->key) && 122 if (test_bit(dev->repeat_key, dev->key) &&
133 is_event_supported(dev->repeat_key, dev->keybit, KEY_MAX)) { 123 is_event_supported(dev->repeat_key, dev->keybit, KEY_MAX)) {
134 124
135 input_pass_event(dev, NULL, EV_KEY, dev->repeat_key, 2); 125 input_pass_event(dev, EV_KEY, dev->repeat_key, 2);
136 126
137 if (dev->sync) { 127 if (dev->sync) {
138 /* 128 /*
@@ -141,7 +131,7 @@ static void input_repeat_key(unsigned long data)
141 * Otherwise assume that the driver will send 131 * Otherwise assume that the driver will send
142 * SYN_REPORT once it's done. 132 * SYN_REPORT once it's done.
143 */ 133 */
144 input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1); 134 input_pass_event(dev, EV_SYN, SYN_REPORT, 1);
145 } 135 }
146 136
147 if (dev->rep[REP_PERIOD]) 137 if (dev->rep[REP_PERIOD])
@@ -174,7 +164,6 @@ static void input_stop_autorepeat(struct input_dev *dev)
174#define INPUT_PASS_TO_ALL (INPUT_PASS_TO_HANDLERS | INPUT_PASS_TO_DEVICE) 164#define INPUT_PASS_TO_ALL (INPUT_PASS_TO_HANDLERS | INPUT_PASS_TO_DEVICE)
175 165
176static int input_handle_abs_event(struct input_dev *dev, 166static int input_handle_abs_event(struct input_dev *dev,
177 struct input_handler *src_handler,
178 unsigned int code, int *pval) 167 unsigned int code, int *pval)
179{ 168{
180 bool is_mt_event; 169 bool is_mt_event;
@@ -218,15 +207,13 @@ static int input_handle_abs_event(struct input_dev *dev,
218 /* Flush pending "slot" event */ 207 /* Flush pending "slot" event */
219 if (is_mt_event && dev->slot != input_abs_get_val(dev, ABS_MT_SLOT)) { 208 if (is_mt_event && dev->slot != input_abs_get_val(dev, ABS_MT_SLOT)) {
220 input_abs_set_val(dev, ABS_MT_SLOT, dev->slot); 209 input_abs_set_val(dev, ABS_MT_SLOT, dev->slot);
221 input_pass_event(dev, src_handler, 210 input_pass_event(dev, EV_ABS, ABS_MT_SLOT, dev->slot);
222 EV_ABS, ABS_MT_SLOT, dev->slot);
223 } 211 }
224 212
225 return INPUT_PASS_TO_HANDLERS; 213 return INPUT_PASS_TO_HANDLERS;
226} 214}
227 215
228static void input_handle_event(struct input_dev *dev, 216static void input_handle_event(struct input_dev *dev,
229 struct input_handler *src_handler,
230 unsigned int type, unsigned int code, int value) 217 unsigned int type, unsigned int code, int value)
231{ 218{
232 int disposition = INPUT_IGNORE_EVENT; 219 int disposition = INPUT_IGNORE_EVENT;
@@ -279,8 +266,7 @@ static void input_handle_event(struct input_dev *dev,
279 266
280 case EV_ABS: 267 case EV_ABS:
281 if (is_event_supported(code, dev->absbit, ABS_MAX)) 268 if (is_event_supported(code, dev->absbit, ABS_MAX))
282 disposition = input_handle_abs_event(dev, src_handler, 269 disposition = input_handle_abs_event(dev, code, &value);
283 code, &value);
284 270
285 break; 271 break;
286 272
@@ -338,7 +324,7 @@ static void input_handle_event(struct input_dev *dev,
338 dev->event(dev, type, code, value); 324 dev->event(dev, type, code, value);
339 325
340 if (disposition & INPUT_PASS_TO_HANDLERS) 326 if (disposition & INPUT_PASS_TO_HANDLERS)
341 input_pass_event(dev, src_handler, type, code, value); 327 input_pass_event(dev, type, code, value);
342} 328}
343 329
344/** 330/**
@@ -367,7 +353,7 @@ void input_event(struct input_dev *dev,
367 353
368 spin_lock_irqsave(&dev->event_lock, flags); 354 spin_lock_irqsave(&dev->event_lock, flags);
369 add_input_randomness(type, code, value); 355 add_input_randomness(type, code, value);
370 input_handle_event(dev, NULL, type, code, value); 356 input_handle_event(dev, type, code, value);
371 spin_unlock_irqrestore(&dev->event_lock, flags); 357 spin_unlock_irqrestore(&dev->event_lock, flags);
372 } 358 }
373} 359}
@@ -397,8 +383,7 @@ void input_inject_event(struct input_handle *handle,
397 rcu_read_lock(); 383 rcu_read_lock();
398 grab = rcu_dereference(dev->grab); 384 grab = rcu_dereference(dev->grab);
399 if (!grab || grab == handle) 385 if (!grab || grab == handle)
400 input_handle_event(dev, handle->handler, 386 input_handle_event(dev, type, code, value);
401 type, code, value);
402 rcu_read_unlock(); 387 rcu_read_unlock();
403 388
404 spin_unlock_irqrestore(&dev->event_lock, flags); 389 spin_unlock_irqrestore(&dev->event_lock, flags);
@@ -611,10 +596,10 @@ static void input_dev_release_keys(struct input_dev *dev)
611 for (code = 0; code <= KEY_MAX; code++) { 596 for (code = 0; code <= KEY_MAX; code++) {
612 if (is_event_supported(code, dev->keybit, KEY_MAX) && 597 if (is_event_supported(code, dev->keybit, KEY_MAX) &&
613 __test_and_clear_bit(code, dev->key)) { 598 __test_and_clear_bit(code, dev->key)) {
614 input_pass_event(dev, NULL, EV_KEY, code, 0); 599 input_pass_event(dev, EV_KEY, code, 0);
615 } 600 }
616 } 601 }
617 input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1); 602 input_pass_event(dev, EV_SYN, SYN_REPORT, 1);
618 } 603 }
619} 604}
620 605
@@ -889,9 +874,9 @@ int input_set_keycode(struct input_dev *dev,
889 !is_event_supported(old_keycode, dev->keybit, KEY_MAX) && 874 !is_event_supported(old_keycode, dev->keybit, KEY_MAX) &&
890 __test_and_clear_bit(old_keycode, dev->key)) { 875 __test_and_clear_bit(old_keycode, dev->key)) {
891 876
892 input_pass_event(dev, NULL, EV_KEY, old_keycode, 0); 877 input_pass_event(dev, EV_KEY, old_keycode, 0);
893 if (dev->sync) 878 if (dev->sync)
894 input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1); 879 input_pass_event(dev, EV_SYN, SYN_REPORT, 1);
895 } 880 }
896 881
897 out: 882 out:
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 417507348bab..c7a92028f450 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -343,6 +343,16 @@ config KEYBOARD_NOMADIK
343 To compile this driver as a module, choose M here: the 343 To compile this driver as a module, choose M here: the
344 module will be called nmk-ske-keypad. 344 module will be called nmk-ske-keypad.
345 345
346config KEYBOARD_TEGRA
347 tristate "NVIDIA Tegra internal matrix keyboard controller support"
348 depends on ARCH_TEGRA
349 help
350 Say Y here if you want to use a matrix keyboard connected directly
351 to the internal keyboard controller on Tegra SoCs.
352
353 To compile this driver as a module, choose M here: the
354 module will be called tegra-kbc.
355
346config KEYBOARD_OPENCORES 356config KEYBOARD_OPENCORES
347 tristate "OpenCores Keyboard Controller" 357 tristate "OpenCores Keyboard Controller"
348 help 358 help
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index 4e5571b72cda..468c627a2844 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -42,6 +42,7 @@ obj-$(CONFIG_KEYBOARD_STMPE) += stmpe-keypad.o
42obj-$(CONFIG_KEYBOARD_STOWAWAY) += stowaway.o 42obj-$(CONFIG_KEYBOARD_STOWAWAY) += stowaway.o
43obj-$(CONFIG_KEYBOARD_SUNKBD) += sunkbd.o 43obj-$(CONFIG_KEYBOARD_SUNKBD) += sunkbd.o
44obj-$(CONFIG_KEYBOARD_TC3589X) += tc3589x-keypad.o 44obj-$(CONFIG_KEYBOARD_TC3589X) += tc3589x-keypad.o
45obj-$(CONFIG_KEYBOARD_TEGRA) += tegra-kbc.o
45obj-$(CONFIG_KEYBOARD_TNETV107X) += tnetv107x-keypad.o 46obj-$(CONFIG_KEYBOARD_TNETV107X) += tnetv107x-keypad.o
46obj-$(CONFIG_KEYBOARD_TWL4030) += twl4030_keypad.o 47obj-$(CONFIG_KEYBOARD_TWL4030) += twl4030_keypad.o
47obj-$(CONFIG_KEYBOARD_XTKBD) += xtkbd.o 48obj-$(CONFIG_KEYBOARD_XTKBD) += xtkbd.o
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index 6069abe31e42..eb3006361ee4 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -322,7 +322,7 @@ static void gpio_keys_report_event(struct gpio_button_data *bdata)
322 struct gpio_keys_button *button = bdata->button; 322 struct gpio_keys_button *button = bdata->button;
323 struct input_dev *input = bdata->input; 323 struct input_dev *input = bdata->input;
324 unsigned int type = button->type ?: EV_KEY; 324 unsigned int type = button->type ?: EV_KEY;
325 int state = (gpio_get_value(button->gpio) ? 1 : 0) ^ button->active_low; 325 int state = (gpio_get_value_cansleep(button->gpio) ? 1 : 0) ^ button->active_low;
326 326
327 input_event(input, type, button->code, !!state); 327 input_event(input, type, button->code, !!state);
328 input_sync(input); 328 input_sync(input);
@@ -410,8 +410,8 @@ static int __devinit gpio_keys_setup_key(struct platform_device *pdev,
410 if (!button->can_disable) 410 if (!button->can_disable)
411 irqflags |= IRQF_SHARED; 411 irqflags |= IRQF_SHARED;
412 412
413 error = request_irq(irq, gpio_keys_isr, irqflags, desc, bdata); 413 error = request_any_context_irq(irq, gpio_keys_isr, irqflags, desc, bdata);
414 if (error) { 414 if (error < 0) {
415 dev_err(dev, "Unable to claim irq %d; error %d\n", 415 dev_err(dev, "Unable to claim irq %d; error %d\n",
416 irq, error); 416 irq, error);
417 goto fail3; 417 goto fail3;
diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c
new file mode 100644
index 000000000000..99ce9032d08c
--- /dev/null
+++ b/drivers/input/keyboard/tegra-kbc.c
@@ -0,0 +1,783 @@
1/*
2 * Keyboard class input driver for the NVIDIA Tegra SoC internal matrix
3 * keyboard controller
4 *
5 * Copyright (c) 2009-2011, NVIDIA Corporation.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 */
21
22#include <linux/module.h>
23#include <linux/input.h>
24#include <linux/platform_device.h>
25#include <linux/delay.h>
26#include <linux/io.h>
27#include <linux/interrupt.h>
28#include <linux/clk.h>
29#include <linux/slab.h>
30#include <mach/clk.h>
31#include <mach/kbc.h>
32
33#define KBC_MAX_DEBOUNCE_CNT 0x3ffu
34
35/* KBC row scan time and delay for beginning the row scan. */
36#define KBC_ROW_SCAN_TIME 16
37#define KBC_ROW_SCAN_DLY 5
38
39/* KBC uses a 32KHz clock so a cycle = 1/32Khz */
40#define KBC_CYCLE_USEC 32
41
42/* KBC Registers */
43
44/* KBC Control Register */
45#define KBC_CONTROL_0 0x0
46#define KBC_FIFO_TH_CNT_SHIFT(cnt) (cnt << 14)
47#define KBC_DEBOUNCE_CNT_SHIFT(cnt) (cnt << 4)
48#define KBC_CONTROL_FIFO_CNT_INT_EN (1 << 3)
49#define KBC_CONTROL_KBC_EN (1 << 0)
50
51/* KBC Interrupt Register */
52#define KBC_INT_0 0x4
53#define KBC_INT_FIFO_CNT_INT_STATUS (1 << 2)
54
55#define KBC_ROW_CFG0_0 0x8
56#define KBC_COL_CFG0_0 0x18
57#define KBC_INIT_DLY_0 0x28
58#define KBC_RPT_DLY_0 0x2c
59#define KBC_KP_ENT0_0 0x30
60#define KBC_KP_ENT1_0 0x34
61#define KBC_ROW0_MASK_0 0x38
62
63#define KBC_ROW_SHIFT 3
64
65struct tegra_kbc {
66 void __iomem *mmio;
67 struct input_dev *idev;
68 unsigned int irq;
69 unsigned int wake_enable_rows;
70 unsigned int wake_enable_cols;
71 spinlock_t lock;
72 unsigned int repoll_dly;
73 unsigned long cp_dly_jiffies;
74 bool use_fn_map;
75 const struct tegra_kbc_platform_data *pdata;
76 unsigned short keycode[KBC_MAX_KEY * 2];
77 unsigned short current_keys[KBC_MAX_KPENT];
78 unsigned int num_pressed_keys;
79 struct timer_list timer;
80 struct clk *clk;
81};
82
83static const u32 tegra_kbc_default_keymap[] = {
84 KEY(0, 2, KEY_W),
85 KEY(0, 3, KEY_S),
86 KEY(0, 4, KEY_A),
87 KEY(0, 5, KEY_Z),
88 KEY(0, 7, KEY_FN),
89
90 KEY(1, 7, KEY_LEFTMETA),
91
92 KEY(2, 6, KEY_RIGHTALT),
93 KEY(2, 7, KEY_LEFTALT),
94
95 KEY(3, 0, KEY_5),
96 KEY(3, 1, KEY_4),
97 KEY(3, 2, KEY_R),
98 KEY(3, 3, KEY_E),
99 KEY(3, 4, KEY_F),
100 KEY(3, 5, KEY_D),
101 KEY(3, 6, KEY_X),
102
103 KEY(4, 0, KEY_7),
104 KEY(4, 1, KEY_6),
105 KEY(4, 2, KEY_T),
106 KEY(4, 3, KEY_H),
107 KEY(4, 4, KEY_G),
108 KEY(4, 5, KEY_V),
109 KEY(4, 6, KEY_C),
110 KEY(4, 7, KEY_SPACE),
111
112 KEY(5, 0, KEY_9),
113 KEY(5, 1, KEY_8),
114 KEY(5, 2, KEY_U),
115 KEY(5, 3, KEY_Y),
116 KEY(5, 4, KEY_J),
117 KEY(5, 5, KEY_N),
118 KEY(5, 6, KEY_B),
119 KEY(5, 7, KEY_BACKSLASH),
120
121 KEY(6, 0, KEY_MINUS),
122 KEY(6, 1, KEY_0),
123 KEY(6, 2, KEY_O),
124 KEY(6, 3, KEY_I),
125 KEY(6, 4, KEY_L),
126 KEY(6, 5, KEY_K),
127 KEY(6, 6, KEY_COMMA),
128 KEY(6, 7, KEY_M),
129
130 KEY(7, 1, KEY_EQUAL),
131 KEY(7, 2, KEY_RIGHTBRACE),
132 KEY(7, 3, KEY_ENTER),
133 KEY(7, 7, KEY_MENU),
134
135 KEY(8, 4, KEY_RIGHTSHIFT),
136 KEY(8, 5, KEY_LEFTSHIFT),
137
138 KEY(9, 5, KEY_RIGHTCTRL),
139 KEY(9, 7, KEY_LEFTCTRL),
140
141 KEY(11, 0, KEY_LEFTBRACE),
142 KEY(11, 1, KEY_P),
143 KEY(11, 2, KEY_APOSTROPHE),
144 KEY(11, 3, KEY_SEMICOLON),
145 KEY(11, 4, KEY_SLASH),
146 KEY(11, 5, KEY_DOT),
147
148 KEY(12, 0, KEY_F10),
149 KEY(12, 1, KEY_F9),
150 KEY(12, 2, KEY_BACKSPACE),
151 KEY(12, 3, KEY_3),
152 KEY(12, 4, KEY_2),
153 KEY(12, 5, KEY_UP),
154 KEY(12, 6, KEY_PRINT),
155 KEY(12, 7, KEY_PAUSE),
156
157 KEY(13, 0, KEY_INSERT),
158 KEY(13, 1, KEY_DELETE),
159 KEY(13, 3, KEY_PAGEUP),
160 KEY(13, 4, KEY_PAGEDOWN),
161 KEY(13, 5, KEY_RIGHT),
162 KEY(13, 6, KEY_DOWN),
163 KEY(13, 7, KEY_LEFT),
164
165 KEY(14, 0, KEY_F11),
166 KEY(14, 1, KEY_F12),
167 KEY(14, 2, KEY_F8),
168 KEY(14, 3, KEY_Q),
169 KEY(14, 4, KEY_F4),
170 KEY(14, 5, KEY_F3),
171 KEY(14, 6, KEY_1),
172 KEY(14, 7, KEY_F7),
173
174 KEY(15, 0, KEY_ESC),
175 KEY(15, 1, KEY_GRAVE),
176 KEY(15, 2, KEY_F5),
177 KEY(15, 3, KEY_TAB),
178 KEY(15, 4, KEY_F1),
179 KEY(15, 5, KEY_F2),
180 KEY(15, 6, KEY_CAPSLOCK),
181 KEY(15, 7, KEY_F6),
182
183 /* Software Handled Function Keys */
184 KEY(20, 0, KEY_KP7),
185
186 KEY(21, 0, KEY_KP9),
187 KEY(21, 1, KEY_KP8),
188 KEY(21, 2, KEY_KP4),
189 KEY(21, 4, KEY_KP1),
190
191 KEY(22, 1, KEY_KPSLASH),
192 KEY(22, 2, KEY_KP6),
193 KEY(22, 3, KEY_KP5),
194 KEY(22, 4, KEY_KP3),
195 KEY(22, 5, KEY_KP2),
196 KEY(22, 7, KEY_KP0),
197
198 KEY(27, 1, KEY_KPASTERISK),
199 KEY(27, 3, KEY_KPMINUS),
200 KEY(27, 4, KEY_KPPLUS),
201 KEY(27, 5, KEY_KPDOT),
202
203 KEY(28, 5, KEY_VOLUMEUP),
204
205 KEY(29, 3, KEY_HOME),
206 KEY(29, 4, KEY_END),
207 KEY(29, 5, KEY_BRIGHTNESSDOWN),
208 KEY(29, 6, KEY_VOLUMEDOWN),
209 KEY(29, 7, KEY_BRIGHTNESSUP),
210
211 KEY(30, 0, KEY_NUMLOCK),
212 KEY(30, 1, KEY_SCROLLLOCK),
213 KEY(30, 2, KEY_MUTE),
214
215 KEY(31, 4, KEY_HELP),
216};
217
218static const struct matrix_keymap_data tegra_kbc_default_keymap_data = {
219 .keymap = tegra_kbc_default_keymap,
220 .keymap_size = ARRAY_SIZE(tegra_kbc_default_keymap),
221};
222
223static void tegra_kbc_report_released_keys(struct input_dev *input,
224 unsigned short old_keycodes[],
225 unsigned int old_num_keys,
226 unsigned short new_keycodes[],
227 unsigned int new_num_keys)
228{
229 unsigned int i, j;
230
231 for (i = 0; i < old_num_keys; i++) {
232 for (j = 0; j < new_num_keys; j++)
233 if (old_keycodes[i] == new_keycodes[j])
234 break;
235
236 if (j == new_num_keys)
237 input_report_key(input, old_keycodes[i], 0);
238 }
239}
240
241static void tegra_kbc_report_pressed_keys(struct input_dev *input,
242 unsigned char scancodes[],
243 unsigned short keycodes[],
244 unsigned int num_pressed_keys)
245{
246 unsigned int i;
247
248 for (i = 0; i < num_pressed_keys; i++) {
249 input_event(input, EV_MSC, MSC_SCAN, scancodes[i]);
250 input_report_key(input, keycodes[i], 1);
251 }
252}
253
254static void tegra_kbc_report_keys(struct tegra_kbc *kbc)
255{
256 unsigned char scancodes[KBC_MAX_KPENT];
257 unsigned short keycodes[KBC_MAX_KPENT];
258 u32 val = 0;
259 unsigned int i;
260 unsigned int num_down = 0;
261 unsigned long flags;
262 bool fn_keypress = false;
263
264 spin_lock_irqsave(&kbc->lock, flags);
265 for (i = 0; i < KBC_MAX_KPENT; i++) {
266 if ((i % 4) == 0)
267 val = readl(kbc->mmio + KBC_KP_ENT0_0 + i);
268
269 if (val & 0x80) {
270 unsigned int col = val & 0x07;
271 unsigned int row = (val >> 3) & 0x0f;
272 unsigned char scancode =
273 MATRIX_SCAN_CODE(row, col, KBC_ROW_SHIFT);
274
275 scancodes[num_down] = scancode;
276 keycodes[num_down] = kbc->keycode[scancode];
277 /* If driver uses Fn map, do not report the Fn key. */
278 if ((keycodes[num_down] == KEY_FN) && kbc->use_fn_map)
279 fn_keypress = true;
280 else
281 num_down++;
282 }
283
284 val >>= 8;
285 }
286
287 /*
288 * If the platform uses Fn keymaps, translate keys on a Fn keypress.
289 * Function keycodes are KBC_MAX_KEY apart from the plain keycodes.
290 */
291 if (fn_keypress) {
292 for (i = 0; i < num_down; i++) {
293 scancodes[i] += KBC_MAX_KEY;
294 keycodes[i] = kbc->keycode[scancodes[i]];
295 }
296 }
297
298 spin_unlock_irqrestore(&kbc->lock, flags);
299
300 tegra_kbc_report_released_keys(kbc->idev,
301 kbc->current_keys, kbc->num_pressed_keys,
302 keycodes, num_down);
303 tegra_kbc_report_pressed_keys(kbc->idev, scancodes, keycodes, num_down);
304 input_sync(kbc->idev);
305
306 memcpy(kbc->current_keys, keycodes, sizeof(kbc->current_keys));
307 kbc->num_pressed_keys = num_down;
308}
309
310static void tegra_kbc_keypress_timer(unsigned long data)
311{
312 struct tegra_kbc *kbc = (struct tegra_kbc *)data;
313 unsigned long flags;
314 u32 val;
315 unsigned int i;
316
317 val = (readl(kbc->mmio + KBC_INT_0) >> 4) & 0xf;
318 if (val) {
319 unsigned long dly;
320
321 tegra_kbc_report_keys(kbc);
322
323 /*
324 * If more than one keys are pressed we need not wait
325 * for the repoll delay.
326 */
327 dly = (val == 1) ? kbc->repoll_dly : 1;
328 mod_timer(&kbc->timer, jiffies + msecs_to_jiffies(dly));
329 } else {
330 /* Release any pressed keys and exit the polling loop */
331 for (i = 0; i < kbc->num_pressed_keys; i++)
332 input_report_key(kbc->idev, kbc->current_keys[i], 0);
333 input_sync(kbc->idev);
334
335 kbc->num_pressed_keys = 0;
336
337 /* All keys are released so enable the keypress interrupt */
338 spin_lock_irqsave(&kbc->lock, flags);
339 val = readl(kbc->mmio + KBC_CONTROL_0);
340 val |= KBC_CONTROL_FIFO_CNT_INT_EN;
341 writel(val, kbc->mmio + KBC_CONTROL_0);
342 spin_unlock_irqrestore(&kbc->lock, flags);
343 }
344}
345
346static irqreturn_t tegra_kbc_isr(int irq, void *args)
347{
348 struct tegra_kbc *kbc = args;
349 u32 val, ctl;
350
351 /*
352 * Until all keys are released, defer further processing to
353 * the polling loop in tegra_kbc_keypress_timer
354 */
355 ctl = readl(kbc->mmio + KBC_CONTROL_0);
356 ctl &= ~KBC_CONTROL_FIFO_CNT_INT_EN;
357 writel(ctl, kbc->mmio + KBC_CONTROL_0);
358
359 /*
360 * Quickly bail out & reenable interrupts if the fifo threshold
361 * count interrupt wasn't the interrupt source
362 */
363 val = readl(kbc->mmio + KBC_INT_0);
364 writel(val, kbc->mmio + KBC_INT_0);
365
366 if (val & KBC_INT_FIFO_CNT_INT_STATUS) {
367 /*
368 * Schedule timer to run when hardware is in continuous
369 * polling mode.
370 */
371 mod_timer(&kbc->timer, jiffies + kbc->cp_dly_jiffies);
372 } else {
373 ctl |= KBC_CONTROL_FIFO_CNT_INT_EN;
374 writel(ctl, kbc->mmio + KBC_CONTROL_0);
375 }
376
377 return IRQ_HANDLED;
378}
379
380static void tegra_kbc_setup_wakekeys(struct tegra_kbc *kbc, bool filter)
381{
382 const struct tegra_kbc_platform_data *pdata = kbc->pdata;
383 int i;
384 unsigned int rst_val;
385
386 BUG_ON(pdata->wake_cnt > KBC_MAX_KEY);
387 rst_val = (filter && pdata->wake_cnt) ? ~0 : 0;
388
389 for (i = 0; i < KBC_MAX_ROW; i++)
390 writel(rst_val, kbc->mmio + KBC_ROW0_MASK_0 + i * 4);
391
392 if (filter) {
393 for (i = 0; i < pdata->wake_cnt; i++) {
394 u32 val, addr;
395 addr = pdata->wake_cfg[i].row * 4 + KBC_ROW0_MASK_0;
396 val = readl(kbc->mmio + addr);
397 val &= ~(1 << pdata->wake_cfg[i].col);
398 writel(val, kbc->mmio + addr);
399 }
400 }
401}
402
403static void tegra_kbc_config_pins(struct tegra_kbc *kbc)
404{
405 const struct tegra_kbc_platform_data *pdata = kbc->pdata;
406 int i;
407
408 for (i = 0; i < KBC_MAX_GPIO; i++) {
409 u32 r_shft = 5 * (i % 6);
410 u32 c_shft = 4 * (i % 8);
411 u32 r_mask = 0x1f << r_shft;
412 u32 c_mask = 0x0f << c_shft;
413 u32 r_offs = (i / 6) * 4 + KBC_ROW_CFG0_0;
414 u32 c_offs = (i / 8) * 4 + KBC_COL_CFG0_0;
415 u32 row_cfg = readl(kbc->mmio + r_offs);
416 u32 col_cfg = readl(kbc->mmio + c_offs);
417
418 row_cfg &= ~r_mask;
419 col_cfg &= ~c_mask;
420
421 if (pdata->pin_cfg[i].is_row)
422 row_cfg |= ((pdata->pin_cfg[i].num << 1) | 1) << r_shft;
423 else
424 col_cfg |= ((pdata->pin_cfg[i].num << 1) | 1) << c_shft;
425
426 writel(row_cfg, kbc->mmio + r_offs);
427 writel(col_cfg, kbc->mmio + c_offs);
428 }
429}
430
431static int tegra_kbc_start(struct tegra_kbc *kbc)
432{
433 const struct tegra_kbc_platform_data *pdata = kbc->pdata;
434 unsigned long flags;
435 unsigned int debounce_cnt;
436 u32 val = 0;
437
438 clk_enable(kbc->clk);
439
440 /* Reset the KBC controller to clear all previous status.*/
441 tegra_periph_reset_assert(kbc->clk);
442 udelay(100);
443 tegra_periph_reset_deassert(kbc->clk);
444 udelay(100);
445
446 tegra_kbc_config_pins(kbc);
447 tegra_kbc_setup_wakekeys(kbc, false);
448
449 writel(pdata->repeat_cnt, kbc->mmio + KBC_RPT_DLY_0);
450
451 /* Keyboard debounce count is maximum of 12 bits. */
452 debounce_cnt = min(pdata->debounce_cnt, KBC_MAX_DEBOUNCE_CNT);
453 val = KBC_DEBOUNCE_CNT_SHIFT(debounce_cnt);
454 val |= KBC_FIFO_TH_CNT_SHIFT(1); /* set fifo interrupt threshold to 1 */
455 val |= KBC_CONTROL_FIFO_CNT_INT_EN; /* interrupt on FIFO threshold */
456 val |= KBC_CONTROL_KBC_EN; /* enable */
457 writel(val, kbc->mmio + KBC_CONTROL_0);
458
459 /*
460 * Compute the delay(ns) from interrupt mode to continuous polling
461 * mode so the timer routine is scheduled appropriately.
462 */
463 val = readl(kbc->mmio + KBC_INIT_DLY_0);
464 kbc->cp_dly_jiffies = usecs_to_jiffies((val & 0xfffff) * 32);
465
466 kbc->num_pressed_keys = 0;
467
468 /*
469 * Atomically clear out any remaining entries in the key FIFO
470 * and enable keyboard interrupts.
471 */
472 spin_lock_irqsave(&kbc->lock, flags);
473 while (1) {
474 val = readl(kbc->mmio + KBC_INT_0);
475 val >>= 4;
476 if (!val)
477 break;
478
479 val = readl(kbc->mmio + KBC_KP_ENT0_0);
480 val = readl(kbc->mmio + KBC_KP_ENT1_0);
481 }
482 writel(0x7, kbc->mmio + KBC_INT_0);
483 spin_unlock_irqrestore(&kbc->lock, flags);
484
485 enable_irq(kbc->irq);
486
487 return 0;
488}
489
490static void tegra_kbc_stop(struct tegra_kbc *kbc)
491{
492 unsigned long flags;
493 u32 val;
494
495 spin_lock_irqsave(&kbc->lock, flags);
496 val = readl(kbc->mmio + KBC_CONTROL_0);
497 val &= ~1;
498 writel(val, kbc->mmio + KBC_CONTROL_0);
499 spin_unlock_irqrestore(&kbc->lock, flags);
500
501 disable_irq(kbc->irq);
502 del_timer_sync(&kbc->timer);
503
504 clk_disable(kbc->clk);
505}
506
507static int tegra_kbc_open(struct input_dev *dev)
508{
509 struct tegra_kbc *kbc = input_get_drvdata(dev);
510
511 return tegra_kbc_start(kbc);
512}
513
514static void tegra_kbc_close(struct input_dev *dev)
515{
516 struct tegra_kbc *kbc = input_get_drvdata(dev);
517
518 return tegra_kbc_stop(kbc);
519}
520
521static bool __devinit
522tegra_kbc_check_pin_cfg(const struct tegra_kbc_platform_data *pdata,
523 struct device *dev, unsigned int *num_rows)
524{
525 int i;
526
527 *num_rows = 0;
528
529 for (i = 0; i < KBC_MAX_GPIO; i++) {
530 const struct tegra_kbc_pin_cfg *pin_cfg = &pdata->pin_cfg[i];
531
532 if (pin_cfg->is_row) {
533 if (pin_cfg->num >= KBC_MAX_ROW) {
534 dev_err(dev,
535 "pin_cfg[%d]: invalid row number %d\n",
536 i, pin_cfg->num);
537 return false;
538 }
539 (*num_rows)++;
540 } else {
541 if (pin_cfg->num >= KBC_MAX_COL) {
542 dev_err(dev,
543 "pin_cfg[%d]: invalid column number %d\n",
544 i, pin_cfg->num);
545 return false;
546 }
547 }
548 }
549
550 return true;
551}
552
553static int __devinit tegra_kbc_probe(struct platform_device *pdev)
554{
555 const struct tegra_kbc_platform_data *pdata = pdev->dev.platform_data;
556 const struct matrix_keymap_data *keymap_data;
557 struct tegra_kbc *kbc;
558 struct input_dev *input_dev;
559 struct resource *res;
560 int irq;
561 int err;
562 int i;
563 int num_rows = 0;
564 unsigned int debounce_cnt;
565 unsigned int scan_time_rows;
566
567 if (!pdata)
568 return -EINVAL;
569
570 if (!tegra_kbc_check_pin_cfg(pdata, &pdev->dev, &num_rows))
571 return -EINVAL;
572
573 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
574 if (!res) {
575 dev_err(&pdev->dev, "failed to get I/O memory\n");
576 return -ENXIO;
577 }
578
579 irq = platform_get_irq(pdev, 0);
580 if (irq < 0) {
581 dev_err(&pdev->dev, "failed to get keyboard IRQ\n");
582 return -ENXIO;
583 }
584
585 kbc = kzalloc(sizeof(*kbc), GFP_KERNEL);
586 input_dev = input_allocate_device();
587 if (!kbc || !input_dev) {
588 err = -ENOMEM;
589 goto err_free_mem;
590 }
591
592 kbc->pdata = pdata;
593 kbc->idev = input_dev;
594 kbc->irq = irq;
595 spin_lock_init(&kbc->lock);
596 setup_timer(&kbc->timer, tegra_kbc_keypress_timer, (unsigned long)kbc);
597
598 res = request_mem_region(res->start, resource_size(res), pdev->name);
599 if (!res) {
600 dev_err(&pdev->dev, "failed to request I/O memory\n");
601 err = -EBUSY;
602 goto err_free_mem;
603 }
604
605 kbc->mmio = ioremap(res->start, resource_size(res));
606 if (!kbc->mmio) {
607 dev_err(&pdev->dev, "failed to remap I/O memory\n");
608 err = -ENXIO;
609 goto err_free_mem_region;
610 }
611
612 kbc->clk = clk_get(&pdev->dev, NULL);
613 if (IS_ERR(kbc->clk)) {
614 dev_err(&pdev->dev, "failed to get keyboard clock\n");
615 err = PTR_ERR(kbc->clk);
616 goto err_iounmap;
617 }
618
619 kbc->wake_enable_rows = 0;
620 kbc->wake_enable_cols = 0;
621 for (i = 0; i < pdata->wake_cnt; i++) {
622 kbc->wake_enable_rows |= (1 << pdata->wake_cfg[i].row);
623 kbc->wake_enable_cols |= (1 << pdata->wake_cfg[i].col);
624 }
625
626 /*
627 * The time delay between two consecutive reads of the FIFO is
628 * the sum of the repeat time and the time taken for scanning
629 * the rows. There is an additional delay before the row scanning
630 * starts. The repoll delay is computed in milliseconds.
631 */
632 debounce_cnt = min(pdata->debounce_cnt, KBC_MAX_DEBOUNCE_CNT);
633 scan_time_rows = (KBC_ROW_SCAN_TIME + debounce_cnt) * num_rows;
634 kbc->repoll_dly = KBC_ROW_SCAN_DLY + scan_time_rows + pdata->repeat_cnt;
635 kbc->repoll_dly = ((kbc->repoll_dly * KBC_CYCLE_USEC) + 999) / 1000;
636
637 input_dev->name = pdev->name;
638 input_dev->id.bustype = BUS_HOST;
639 input_dev->dev.parent = &pdev->dev;
640 input_dev->open = tegra_kbc_open;
641 input_dev->close = tegra_kbc_close;
642
643 input_set_drvdata(input_dev, kbc);
644
645 input_dev->evbit[0] = BIT_MASK(EV_KEY);
646 input_set_capability(input_dev, EV_MSC, MSC_SCAN);
647
648 input_dev->keycode = kbc->keycode;
649 input_dev->keycodesize = sizeof(kbc->keycode[0]);
650 input_dev->keycodemax = KBC_MAX_KEY;
651 if (pdata->use_fn_map)
652 input_dev->keycodemax *= 2;
653
654 kbc->use_fn_map = pdata->use_fn_map;
655 keymap_data = pdata->keymap_data ?: &tegra_kbc_default_keymap_data;
656 matrix_keypad_build_keymap(keymap_data, KBC_ROW_SHIFT,
657 input_dev->keycode, input_dev->keybit);
658
659 err = request_irq(kbc->irq, tegra_kbc_isr, IRQF_TRIGGER_HIGH,
660 pdev->name, kbc);
661 if (err) {
662 dev_err(&pdev->dev, "failed to request keyboard IRQ\n");
663 goto err_put_clk;
664 }
665
666 disable_irq(kbc->irq);
667
668 err = input_register_device(kbc->idev);
669 if (err) {
670 dev_err(&pdev->dev, "failed to register input device\n");
671 goto err_free_irq;
672 }
673
674 platform_set_drvdata(pdev, kbc);
675 device_init_wakeup(&pdev->dev, pdata->wakeup);
676
677 return 0;
678
679err_free_irq:
680 free_irq(kbc->irq, pdev);
681err_put_clk:
682 clk_put(kbc->clk);
683err_iounmap:
684 iounmap(kbc->mmio);
685err_free_mem_region:
686 release_mem_region(res->start, resource_size(res));
687err_free_mem:
688 input_free_device(kbc->idev);
689 kfree(kbc);
690
691 return err;
692}
693
694static int __devexit tegra_kbc_remove(struct platform_device *pdev)
695{
696 struct tegra_kbc *kbc = platform_get_drvdata(pdev);
697 struct resource *res;
698
699 free_irq(kbc->irq, pdev);
700 clk_put(kbc->clk);
701
702 input_unregister_device(kbc->idev);
703 iounmap(kbc->mmio);
704 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
705 release_mem_region(res->start, resource_size(res));
706
707 kfree(kbc);
708
709 platform_set_drvdata(pdev, NULL);
710
711 return 0;
712}
713
714#ifdef CONFIG_PM_SLEEP
715static int tegra_kbc_suspend(struct device *dev)
716{
717 struct platform_device *pdev = to_platform_device(dev);
718 struct tegra_kbc *kbc = platform_get_drvdata(pdev);
719
720 if (device_may_wakeup(&pdev->dev)) {
721 tegra_kbc_setup_wakekeys(kbc, true);
722 enable_irq_wake(kbc->irq);
723 /* Forcefully clear the interrupt status */
724 writel(0x7, kbc->mmio + KBC_INT_0);
725 msleep(30);
726 } else {
727 mutex_lock(&kbc->idev->mutex);
728 if (kbc->idev->users)
729 tegra_kbc_stop(kbc);
730 mutex_unlock(&kbc->idev->mutex);
731 }
732
733 return 0;
734}
735
736static int tegra_kbc_resume(struct device *dev)
737{
738 struct platform_device *pdev = to_platform_device(dev);
739 struct tegra_kbc *kbc = platform_get_drvdata(pdev);
740 int err = 0;
741
742 if (device_may_wakeup(&pdev->dev)) {
743 disable_irq_wake(kbc->irq);
744 tegra_kbc_setup_wakekeys(kbc, false);
745 } else {
746 mutex_lock(&kbc->idev->mutex);
747 if (kbc->idev->users)
748 err = tegra_kbc_start(kbc);
749 mutex_unlock(&kbc->idev->mutex);
750 }
751
752 return err;
753}
754#endif
755
756static SIMPLE_DEV_PM_OPS(tegra_kbc_pm_ops, tegra_kbc_suspend, tegra_kbc_resume);
757
758static struct platform_driver tegra_kbc_driver = {
759 .probe = tegra_kbc_probe,
760 .remove = __devexit_p(tegra_kbc_remove),
761 .driver = {
762 .name = "tegra-kbc",
763 .owner = THIS_MODULE,
764 .pm = &tegra_kbc_pm_ops,
765 },
766};
767
768static void __exit tegra_kbc_exit(void)
769{
770 platform_driver_unregister(&tegra_kbc_driver);
771}
772module_exit(tegra_kbc_exit);
773
774static int __init tegra_kbc_init(void)
775{
776 return platform_driver_register(&tegra_kbc_driver);
777}
778module_init(tegra_kbc_init);
779
780MODULE_LICENSE("GPL");
781MODULE_AUTHOR("Rakesh Iyer <riyer@nvidia.com>");
782MODULE_DESCRIPTION("Tegra matrix keyboard controller driver");
783MODULE_ALIAS("platform:tegra-kbc");
diff --git a/drivers/input/keyboard/tnetv107x-keypad.c b/drivers/input/keyboard/tnetv107x-keypad.c
index b4a81ebfab92..c8f097a15d89 100644
--- a/drivers/input/keyboard/tnetv107x-keypad.c
+++ b/drivers/input/keyboard/tnetv107x-keypad.c
@@ -14,6 +14,7 @@
14 */ 14 */
15 15
16#include <linux/kernel.h> 16#include <linux/kernel.h>
17#include <linux/err.h>
17#include <linux/errno.h> 18#include <linux/errno.h>
18#include <linux/input.h> 19#include <linux/input.h>
19#include <linux/platform_device.h> 20#include <linux/platform_device.h>
@@ -219,9 +220,9 @@ static int __devinit keypad_probe(struct platform_device *pdev)
219 } 220 }
220 221
221 kp->clk = clk_get(dev, NULL); 222 kp->clk = clk_get(dev, NULL);
222 if (!kp->clk) { 223 if (IS_ERR(kp->clk)) {
223 dev_err(dev, "cannot claim device clock\n"); 224 dev_err(dev, "cannot claim device clock\n");
224 error = -EINVAL; 225 error = PTR_ERR(kp->clk);
225 goto error_clk; 226 goto error_clk;
226 } 227 }
227 228
diff --git a/drivers/input/misc/ixp4xx-beeper.c b/drivers/input/misc/ixp4xx-beeper.c
index 9dfd6e5f786f..1f38302a5951 100644
--- a/drivers/input/misc/ixp4xx-beeper.c
+++ b/drivers/input/misc/ixp4xx-beeper.c
@@ -69,11 +69,7 @@ static int ixp4xx_spkr_event(struct input_dev *dev, unsigned int type, unsigned
69 } 69 }
70 70
71 if (value > 20 && value < 32767) 71 if (value > 20 && value < 32767)
72#ifndef FREQ 72 count = (IXP4XX_TIMER_FREQ / (value * 4)) - 1;
73 count = (ixp4xx_get_board_tick_rate() / (value * 4)) - 1;
74#else
75 count = (FREQ / (value * 4)) - 1;
76#endif
77 73
78 ixp4xx_spkr_control(pin, count); 74 ixp4xx_spkr_control(pin, count);
79 75
diff --git a/drivers/input/misc/rotary_encoder.c b/drivers/input/misc/rotary_encoder.c
index 1f8e0108962e..7e64d01da2be 100644
--- a/drivers/input/misc/rotary_encoder.c
+++ b/drivers/input/misc/rotary_encoder.c
@@ -176,7 +176,7 @@ static int __devinit rotary_encoder_probe(struct platform_device *pdev)
176 176
177 /* request the IRQs */ 177 /* request the IRQs */
178 err = request_irq(encoder->irq_a, &rotary_encoder_irq, 178 err = request_irq(encoder->irq_a, &rotary_encoder_irq,
179 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE, 179 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
180 DRV_NAME, encoder); 180 DRV_NAME, encoder);
181 if (err) { 181 if (err) {
182 dev_err(&pdev->dev, "unable to request IRQ %d\n", 182 dev_err(&pdev->dev, "unable to request IRQ %d\n",
@@ -185,7 +185,7 @@ static int __devinit rotary_encoder_probe(struct platform_device *pdev)
185 } 185 }
186 186
187 err = request_irq(encoder->irq_b, &rotary_encoder_irq, 187 err = request_irq(encoder->irq_b, &rotary_encoder_irq,
188 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE, 188 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
189 DRV_NAME, encoder); 189 DRV_NAME, encoder);
190 if (err) { 190 if (err) {
191 dev_err(&pdev->dev, "unable to request IRQ %d\n", 191 dev_err(&pdev->dev, "unable to request IRQ %d\n",
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index da392c22fc6c..aa186cf6c514 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -755,23 +755,26 @@ static int synaptics_reconnect(struct psmouse *psmouse)
755{ 755{
756 struct synaptics_data *priv = psmouse->private; 756 struct synaptics_data *priv = psmouse->private;
757 struct synaptics_data old_priv = *priv; 757 struct synaptics_data old_priv = *priv;
758 int retry = 0;
759 int error;
758 760
759 psmouse_reset(psmouse); 761 do {
762 psmouse_reset(psmouse);
763 error = synaptics_detect(psmouse, 0);
764 } while (error && ++retry < 3);
760 765
761 if (synaptics_detect(psmouse, 0)) 766 if (error)
762 return -1; 767 return -1;
763 768
769 if (retry > 1)
770 printk(KERN_DEBUG "Synaptics reconnected after %d tries\n",
771 retry);
772
764 if (synaptics_query_hardware(psmouse)) { 773 if (synaptics_query_hardware(psmouse)) {
765 printk(KERN_ERR "Unable to query Synaptics hardware.\n"); 774 printk(KERN_ERR "Unable to query Synaptics hardware.\n");
766 return -1; 775 return -1;
767 } 776 }
768 777
769 if (old_priv.identity != priv->identity ||
770 old_priv.model_id != priv->model_id ||
771 old_priv.capabilities != priv->capabilities ||
772 old_priv.ext_cap != priv->ext_cap)
773 return -1;
774
775 if (synaptics_set_absolute_mode(psmouse)) { 778 if (synaptics_set_absolute_mode(psmouse)) {
776 printk(KERN_ERR "Unable to initialize Synaptics hardware.\n"); 779 printk(KERN_ERR "Unable to initialize Synaptics hardware.\n");
777 return -1; 780 return -1;
@@ -782,6 +785,19 @@ static int synaptics_reconnect(struct psmouse *psmouse)
782 return -1; 785 return -1;
783 } 786 }
784 787
788 if (old_priv.identity != priv->identity ||
789 old_priv.model_id != priv->model_id ||
790 old_priv.capabilities != priv->capabilities ||
791 old_priv.ext_cap != priv->ext_cap) {
792 printk(KERN_ERR "Synaptics hardware appears to be different: "
793 "id(%ld-%ld), model(%ld-%ld), caps(%lx-%lx), ext(%lx-%lx).\n",
794 old_priv.identity, priv->identity,
795 old_priv.model_id, priv->model_id,
796 old_priv.capabilities, priv->capabilities,
797 old_priv.ext_cap, priv->ext_cap);
798 return -1;
799 }
800
785 return 0; 801 return 0;
786} 802}
787 803
diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h
index 25e5d042a72c..7453938bf5ef 100644
--- a/drivers/input/mouse/synaptics.h
+++ b/drivers/input/mouse/synaptics.h
@@ -51,6 +51,29 @@
51#define SYN_EXT_CAP_REQUESTS(c) (((c) & 0x700000) >> 20) 51#define SYN_EXT_CAP_REQUESTS(c) (((c) & 0x700000) >> 20)
52#define SYN_CAP_MULTI_BUTTON_NO(ec) (((ec) & 0x00f000) >> 12) 52#define SYN_CAP_MULTI_BUTTON_NO(ec) (((ec) & 0x00f000) >> 12)
53#define SYN_CAP_PRODUCT_ID(ec) (((ec) & 0xff0000) >> 16) 53#define SYN_CAP_PRODUCT_ID(ec) (((ec) & 0xff0000) >> 16)
54
55/*
56 * The following describes response for the 0x0c query.
57 *
58 * byte mask name meaning
59 * ---- ---- ------- ------------
60 * 1 0x01 adjustable threshold capacitive button sensitivity
61 * can be adjusted
62 * 1 0x02 report max query 0x0d gives max coord reported
63 * 1 0x04 clearpad sensor is ClearPad product
64 * 1 0x08 advanced gesture not particularly meaningful
65 * 1 0x10 clickpad bit 0 1-button ClickPad
66 * 1 0x60 multifinger mode identifies firmware finger counting
67 * (not reporting!) algorithm.
68 * Not particularly meaningful
69 * 1 0x80 covered pad W clipped to 14, 15 == pad mostly covered
70 * 2 0x01 clickpad bit 1 2-button ClickPad
71 * 2 0x02 deluxe LED controls touchpad support LED commands
72 * ala multimedia control bar
73 * 2 0x04 reduced filtering firmware does less filtering on
74 * position data, driver should watch
75 * for noise.
76 */
54#define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100000) /* 1-button ClickPad */ 77#define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100000) /* 1-button ClickPad */
55#define SYN_CAP_CLICKPAD2BTN(ex0c) ((ex0c) & 0x000100) /* 2-button ClickPad */ 78#define SYN_CAP_CLICKPAD2BTN(ex0c) ((ex0c) & 0x000100) /* 2-button ClickPad */
56#define SYN_CAP_MAX_DIMENSIONS(ex0c) ((ex0c) & 0x020000) 79#define SYN_CAP_MAX_DIMENSIONS(ex0c) ((ex0c) & 0x020000)
diff --git a/drivers/input/serio/ambakmi.c b/drivers/input/serio/ambakmi.c
index 92563a681d65..12abc50508e5 100644
--- a/drivers/input/serio/ambakmi.c
+++ b/drivers/input/serio/ambakmi.c
@@ -107,7 +107,8 @@ static void amba_kmi_close(struct serio *io)
107 clk_disable(kmi->clk); 107 clk_disable(kmi->clk);
108} 108}
109 109
110static int __devinit amba_kmi_probe(struct amba_device *dev, struct amba_id *id) 110static int __devinit amba_kmi_probe(struct amba_device *dev,
111 const struct amba_id *id)
111{ 112{
112 struct amba_kmi_port *kmi; 113 struct amba_kmi_port *kmi;
113 struct serio *io; 114 struct serio *io;
diff --git a/drivers/input/serio/ct82c710.c b/drivers/input/serio/ct82c710.c
index 448c7724beb9..852816567241 100644
--- a/drivers/input/serio/ct82c710.c
+++ b/drivers/input/serio/ct82c710.c
@@ -111,9 +111,11 @@ static void ct82c710_close(struct serio *serio)
111static int ct82c710_open(struct serio *serio) 111static int ct82c710_open(struct serio *serio)
112{ 112{
113 unsigned char status; 113 unsigned char status;
114 int err;
114 115
115 if (request_irq(CT82C710_IRQ, ct82c710_interrupt, 0, "ct82c710", NULL)) 116 err = request_irq(CT82C710_IRQ, ct82c710_interrupt, 0, "ct82c710", NULL);
116 return -1; 117 if (err)
118 return err;
117 119
118 status = inb_p(CT82C710_STATUS); 120 status = inb_p(CT82C710_STATUS);
119 121
@@ -131,7 +133,7 @@ static int ct82c710_open(struct serio *serio)
131 status &= ~(CT82C710_ENABLE | CT82C710_INTS_ON); 133 status &= ~(CT82C710_ENABLE | CT82C710_INTS_ON);
132 outb_p(status, CT82C710_STATUS); 134 outb_p(status, CT82C710_STATUS);
133 free_irq(CT82C710_IRQ, NULL); 135 free_irq(CT82C710_IRQ, NULL);
134 return -1; 136 return -EBUSY;
135 } 137 }
136 138
137 return 0; 139 return 0;
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index db5b0bca1a1a..ba70058e2be3 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -188,7 +188,8 @@ static void serio_free_event(struct serio_event *event)
188 kfree(event); 188 kfree(event);
189} 189}
190 190
191static void serio_remove_duplicate_events(struct serio_event *event) 191static void serio_remove_duplicate_events(void *object,
192 enum serio_event_type type)
192{ 193{
193 struct serio_event *e, *next; 194 struct serio_event *e, *next;
194 unsigned long flags; 195 unsigned long flags;
@@ -196,13 +197,13 @@ static void serio_remove_duplicate_events(struct serio_event *event)
196 spin_lock_irqsave(&serio_event_lock, flags); 197 spin_lock_irqsave(&serio_event_lock, flags);
197 198
198 list_for_each_entry_safe(e, next, &serio_event_list, node) { 199 list_for_each_entry_safe(e, next, &serio_event_list, node) {
199 if (event->object == e->object) { 200 if (object == e->object) {
200 /* 201 /*
201 * If this event is of different type we should not 202 * If this event is of different type we should not
202 * look further - we only suppress duplicate events 203 * look further - we only suppress duplicate events
203 * that were sent back-to-back. 204 * that were sent back-to-back.
204 */ 205 */
205 if (event->type != e->type) 206 if (type != e->type)
206 break; 207 break;
207 208
208 list_del_init(&e->node); 209 list_del_init(&e->node);
@@ -245,7 +246,7 @@ static void serio_handle_event(struct work_struct *work)
245 break; 246 break;
246 } 247 }
247 248
248 serio_remove_duplicate_events(event); 249 serio_remove_duplicate_events(event->object, event->type);
249 serio_free_event(event); 250 serio_free_event(event);
250 } 251 }
251 252
@@ -298,7 +299,7 @@ static int serio_queue_event(void *object, struct module *owner,
298 event->owner = owner; 299 event->owner = owner;
299 300
300 list_add_tail(&event->node, &serio_event_list); 301 list_add_tail(&event->node, &serio_event_list);
301 schedule_work(&serio_event_work); 302 queue_work(system_long_wq, &serio_event_work);
302 303
303out: 304out:
304 spin_unlock_irqrestore(&serio_event_lock, flags); 305 spin_unlock_irqrestore(&serio_event_lock, flags);
@@ -436,10 +437,12 @@ static ssize_t serio_rebind_driver(struct device *dev, struct device_attribute *
436 } else if (!strncmp(buf, "rescan", count)) { 437 } else if (!strncmp(buf, "rescan", count)) {
437 serio_disconnect_port(serio); 438 serio_disconnect_port(serio);
438 serio_find_driver(serio); 439 serio_find_driver(serio);
440 serio_remove_duplicate_events(serio, SERIO_RESCAN_PORT);
439 } else if ((drv = driver_find(buf, &serio_bus)) != NULL) { 441 } else if ((drv = driver_find(buf, &serio_bus)) != NULL) {
440 serio_disconnect_port(serio); 442 serio_disconnect_port(serio);
441 error = serio_bind_driver(serio, to_serio_driver(drv)); 443 error = serio_bind_driver(serio, to_serio_driver(drv));
442 put_driver(drv); 444 put_driver(drv);
445 serio_remove_duplicate_events(serio, SERIO_RESCAN_PORT);
443 } else { 446 } else {
444 error = -EINVAL; 447 error = -EINVAL;
445 } 448 }
diff --git a/drivers/input/serio/serport.c b/drivers/input/serio/serport.c
index 6e362de3f412..8755f5f3ad37 100644
--- a/drivers/input/serio/serport.c
+++ b/drivers/input/serio/serport.c
@@ -116,14 +116,15 @@ static void serport_ldisc_close(struct tty_struct *tty)
116 116
117/* 117/*
118 * serport_ldisc_receive() is called by the low level tty driver when characters 118 * serport_ldisc_receive() is called by the low level tty driver when characters
119 * are ready for us. We forward the characters, one by one to the 'interrupt' 119 * are ready for us. We forward the characters and flags, one by one to the
120 * routine. 120 * 'interrupt' routine.
121 */ 121 */
122 122
123static void serport_ldisc_receive(struct tty_struct *tty, const unsigned char *cp, char *fp, int count) 123static void serport_ldisc_receive(struct tty_struct *tty, const unsigned char *cp, char *fp, int count)
124{ 124{
125 struct serport *serport = (struct serport*) tty->disc_data; 125 struct serport *serport = (struct serport*) tty->disc_data;
126 unsigned long flags; 126 unsigned long flags;
127 unsigned int ch_flags;
127 int i; 128 int i;
128 129
129 spin_lock_irqsave(&serport->lock, flags); 130 spin_lock_irqsave(&serport->lock, flags);
@@ -131,8 +132,23 @@ static void serport_ldisc_receive(struct tty_struct *tty, const unsigned char *c
131 if (!test_bit(SERPORT_ACTIVE, &serport->flags)) 132 if (!test_bit(SERPORT_ACTIVE, &serport->flags))
132 goto out; 133 goto out;
133 134
134 for (i = 0; i < count; i++) 135 for (i = 0; i < count; i++) {
135 serio_interrupt(serport->serio, cp[i], 0); 136 switch (fp[i]) {
137 case TTY_FRAME:
138 ch_flags = SERIO_FRAME;
139 break;
140
141 case TTY_PARITY:
142 ch_flags = SERIO_PARITY;
143 break;
144
145 default:
146 ch_flags = 0;
147 break;
148 }
149
150 serio_interrupt(serport->serio, cp[i], ch_flags);
151 }
136 152
137out: 153out:
138 spin_unlock_irqrestore(&serport->lock, flags); 154 spin_unlock_irqrestore(&serport->lock, flags);
diff --git a/drivers/input/sparse-keymap.c b/drivers/input/sparse-keymap.c
index a29a7812bd46..7729e547ba65 100644
--- a/drivers/input/sparse-keymap.c
+++ b/drivers/input/sparse-keymap.c
@@ -201,6 +201,7 @@ int sparse_keymap_setup(struct input_dev *dev,
201 break; 201 break;
202 202
203 case KE_SW: 203 case KE_SW:
204 case KE_VSW:
204 __set_bit(EV_SW, dev->evbit); 205 __set_bit(EV_SW, dev->evbit);
205 __set_bit(entry->sw.code, dev->swbit); 206 __set_bit(entry->sw.code, dev->swbit);
206 break; 207 break;
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index fc381498b798..cf8fb9f5d4a8 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -519,7 +519,7 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
519 /* Retrieve the physical and logical size for OEM devices */ 519 /* Retrieve the physical and logical size for OEM devices */
520 error = wacom_retrieve_hid_descriptor(intf, features); 520 error = wacom_retrieve_hid_descriptor(intf, features);
521 if (error) 521 if (error)
522 goto fail2; 522 goto fail3;
523 523
524 wacom_setup_device_quirks(features); 524 wacom_setup_device_quirks(features);
525 525
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 518782999fea..367fa82a607e 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -1101,6 +1101,13 @@ void wacom_setup_device_quirks(struct wacom_features *features)
1101 } 1101 }
1102} 1102}
1103 1103
1104static unsigned int wacom_calculate_touch_res(unsigned int logical_max,
1105 unsigned int physical_max)
1106{
1107 /* Touch physical dimensions are in 100th of mm */
1108 return (logical_max * 100) / physical_max;
1109}
1110
1104void wacom_setup_input_capabilities(struct input_dev *input_dev, 1111void wacom_setup_input_capabilities(struct input_dev *input_dev,
1105 struct wacom_wac *wacom_wac) 1112 struct wacom_wac *wacom_wac)
1106{ 1113{
@@ -1228,8 +1235,12 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
1228 case TABLETPC: 1235 case TABLETPC:
1229 if (features->device_type == BTN_TOOL_DOUBLETAP || 1236 if (features->device_type == BTN_TOOL_DOUBLETAP ||
1230 features->device_type == BTN_TOOL_TRIPLETAP) { 1237 features->device_type == BTN_TOOL_TRIPLETAP) {
1231 input_set_abs_params(input_dev, ABS_RX, 0, features->x_phy, 0, 0); 1238 input_abs_set_res(input_dev, ABS_X,
1232 input_set_abs_params(input_dev, ABS_RY, 0, features->y_phy, 0, 0); 1239 wacom_calculate_touch_res(features->x_max,
1240 features->x_phy));
1241 input_abs_set_res(input_dev, ABS_Y,
1242 wacom_calculate_touch_res(features->y_max,
1243 features->y_phy));
1233 __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit); 1244 __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
1234 } 1245 }
1235 1246
@@ -1272,6 +1283,12 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
1272 input_set_abs_params(input_dev, ABS_MT_PRESSURE, 1283 input_set_abs_params(input_dev, ABS_MT_PRESSURE,
1273 0, features->pressure_max, 1284 0, features->pressure_max,
1274 features->pressure_fuzz, 0); 1285 features->pressure_fuzz, 0);
1286 input_abs_set_res(input_dev, ABS_X,
1287 wacom_calculate_touch_res(features->x_max,
1288 features->x_phy));
1289 input_abs_set_res(input_dev, ABS_Y,
1290 wacom_calculate_touch_res(features->y_max,
1291 features->y_phy));
1275 } else if (features->device_type == BTN_TOOL_PEN) { 1292 } else if (features->device_type == BTN_TOOL_PEN) {
1276 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit); 1293 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
1277 __set_bit(BTN_TOOL_PEN, input_dev->keybit); 1294 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
@@ -1426,6 +1443,10 @@ static struct wacom_features wacom_features_0xD3 =
1426 { "Wacom Bamboo 2FG 6x8", WACOM_PKGLEN_BBFUN, 21648, 13530, 1023, 63, BAMBOO_PT }; 1443 { "Wacom Bamboo 2FG 6x8", WACOM_PKGLEN_BBFUN, 21648, 13530, 1023, 63, BAMBOO_PT };
1427static const struct wacom_features wacom_features_0xD4 = 1444static const struct wacom_features wacom_features_0xD4 =
1428 { "Wacom Bamboo Pen", WACOM_PKGLEN_BBFUN, 14720, 9200, 255, 63, BAMBOO_PT }; 1445 { "Wacom Bamboo Pen", WACOM_PKGLEN_BBFUN, 14720, 9200, 255, 63, BAMBOO_PT };
1446static struct wacom_features wacom_features_0xD6 =
1447 { "Wacom BambooPT 2FG 4x5", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023, 63, BAMBOO_PT };
1448static struct wacom_features wacom_features_0xD7 =
1449 { "Wacom BambooPT 2FG Small", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023, 63, BAMBOO_PT };
1429static struct wacom_features wacom_features_0xD8 = 1450static struct wacom_features wacom_features_0xD8 =
1430 { "Wacom Bamboo Comic 2FG", WACOM_PKGLEN_BBFUN, 21648, 13530, 1023, 63, BAMBOO_PT }; 1451 { "Wacom Bamboo Comic 2FG", WACOM_PKGLEN_BBFUN, 21648, 13530, 1023, 63, BAMBOO_PT };
1431static struct wacom_features wacom_features_0xDA = 1452static struct wacom_features wacom_features_0xDA =
@@ -1507,6 +1528,8 @@ const struct usb_device_id wacom_ids[] = {
1507 { USB_DEVICE_WACOM(0xD2) }, 1528 { USB_DEVICE_WACOM(0xD2) },
1508 { USB_DEVICE_WACOM(0xD3) }, 1529 { USB_DEVICE_WACOM(0xD3) },
1509 { USB_DEVICE_WACOM(0xD4) }, 1530 { USB_DEVICE_WACOM(0xD4) },
1531 { USB_DEVICE_WACOM(0xD6) },
1532 { USB_DEVICE_WACOM(0xD7) },
1510 { USB_DEVICE_WACOM(0xD8) }, 1533 { USB_DEVICE_WACOM(0xD8) },
1511 { USB_DEVICE_WACOM(0xDA) }, 1534 { USB_DEVICE_WACOM(0xDA) },
1512 { USB_DEVICE_WACOM(0xDB) }, 1535 { USB_DEVICE_WACOM(0xDB) },
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 14ea54b78e46..4bf2316e3284 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -941,28 +941,29 @@ static int __devinit ads7846_setup_pendown(struct spi_device *spi, struct ads784
941 struct ads7846_platform_data *pdata = spi->dev.platform_data; 941 struct ads7846_platform_data *pdata = spi->dev.platform_data;
942 int err; 942 int err;
943 943
944 /* REVISIT when the irq can be triggered active-low, or if for some 944 /*
945 * REVISIT when the irq can be triggered active-low, or if for some
945 * reason the touchscreen isn't hooked up, we don't need to access 946 * reason the touchscreen isn't hooked up, we don't need to access
946 * the pendown state. 947 * the pendown state.
947 */ 948 */
948 if (!pdata->get_pendown_state && !gpio_is_valid(pdata->gpio_pendown)) {
949 dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n");
950 return -EINVAL;
951 }
952 949
953 if (pdata->get_pendown_state) { 950 if (pdata->get_pendown_state) {
954 ts->get_pendown_state = pdata->get_pendown_state; 951 ts->get_pendown_state = pdata->get_pendown_state;
955 return 0; 952 } else if (gpio_is_valid(pdata->gpio_pendown)) {
956 }
957 953
958 err = gpio_request(pdata->gpio_pendown, "ads7846_pendown"); 954 err = gpio_request(pdata->gpio_pendown, "ads7846_pendown");
959 if (err) { 955 if (err) {
960 dev_err(&spi->dev, "failed to request pendown GPIO%d\n", 956 dev_err(&spi->dev, "failed to request pendown GPIO%d\n",
961 pdata->gpio_pendown); 957 pdata->gpio_pendown);
962 return err; 958 return err;
963 } 959 }
964 960
965 ts->gpio_pendown = pdata->gpio_pendown; 961 ts->gpio_pendown = pdata->gpio_pendown;
962
963 } else {
964 dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n");
965 return -EINVAL;
966 }
966 967
967 return 0; 968 return 0;
968} 969}
@@ -1353,7 +1354,7 @@ static int __devinit ads7846_probe(struct spi_device *spi)
1353 err_put_regulator: 1354 err_put_regulator:
1354 regulator_put(ts->reg); 1355 regulator_put(ts->reg);
1355 err_free_gpio: 1356 err_free_gpio:
1356 if (ts->gpio_pendown != -1) 1357 if (!ts->get_pendown_state)
1357 gpio_free(ts->gpio_pendown); 1358 gpio_free(ts->gpio_pendown);
1358 err_cleanup_filter: 1359 err_cleanup_filter:
1359 if (ts->filter_cleanup) 1360 if (ts->filter_cleanup)
@@ -1383,8 +1384,13 @@ static int __devexit ads7846_remove(struct spi_device *spi)
1383 regulator_disable(ts->reg); 1384 regulator_disable(ts->reg);
1384 regulator_put(ts->reg); 1385 regulator_put(ts->reg);
1385 1386
1386 if (ts->gpio_pendown != -1) 1387 if (!ts->get_pendown_state) {
1388 /*
1389 * If we are not using specialized pendown method we must
1390 * have been relying on gpio we set up ourselves.
1391 */
1387 gpio_free(ts->gpio_pendown); 1392 gpio_free(ts->gpio_pendown);
1393 }
1388 1394
1389 if (ts->filter_cleanup) 1395 if (ts->filter_cleanup)
1390 ts->filter_cleanup(ts->filter_data); 1396 ts->filter_cleanup(ts->filter_data);
diff --git a/drivers/input/touchscreen/bu21013_ts.c b/drivers/input/touchscreen/bu21013_ts.c
index f7fa9ef4cd65..1507ce108d5b 100644
--- a/drivers/input/touchscreen/bu21013_ts.c
+++ b/drivers/input/touchscreen/bu21013_ts.c
@@ -12,6 +12,7 @@
12#include <linux/input.h> 12#include <linux/input.h>
13#include <linux/input/bu21013.h> 13#include <linux/input/bu21013.h>
14#include <linux/slab.h> 14#include <linux/slab.h>
15#include <linux/regulator/consumer.h>
15 16
16#define PEN_DOWN_INTR 0 17#define PEN_DOWN_INTR 0
17#define MAX_FINGERS 2 18#define MAX_FINGERS 2
@@ -139,6 +140,7 @@
139 * @chip: pointer to the touch panel controller 140 * @chip: pointer to the touch panel controller
140 * @in_dev: pointer to the input device structure 141 * @in_dev: pointer to the input device structure
141 * @intr_pin: interrupt pin value 142 * @intr_pin: interrupt pin value
143 * @regulator: pointer to the Regulator used for touch screen
142 * 144 *
143 * Touch panel device data structure 145 * Touch panel device data structure
144 */ 146 */
@@ -149,6 +151,7 @@ struct bu21013_ts_data {
149 const struct bu21013_platform_device *chip; 151 const struct bu21013_platform_device *chip;
150 struct input_dev *in_dev; 152 struct input_dev *in_dev;
151 unsigned int intr_pin; 153 unsigned int intr_pin;
154 struct regulator *regulator;
152}; 155};
153 156
154/** 157/**
@@ -456,6 +459,20 @@ static int __devinit bu21013_probe(struct i2c_client *client,
456 bu21013_data->in_dev = in_dev; 459 bu21013_data->in_dev = in_dev;
457 bu21013_data->chip = pdata; 460 bu21013_data->chip = pdata;
458 bu21013_data->client = client; 461 bu21013_data->client = client;
462
463 bu21013_data->regulator = regulator_get(&client->dev, "V-TOUCH");
464 if (IS_ERR(bu21013_data->regulator)) {
465 dev_err(&client->dev, "regulator_get failed\n");
466 error = PTR_ERR(bu21013_data->regulator);
467 goto err_free_mem;
468 }
469
470 error = regulator_enable(bu21013_data->regulator);
471 if (error < 0) {
472 dev_err(&client->dev, "regulator enable failed\n");
473 goto err_put_regulator;
474 }
475
459 bu21013_data->touch_stopped = false; 476 bu21013_data->touch_stopped = false;
460 init_waitqueue_head(&bu21013_data->wait); 477 init_waitqueue_head(&bu21013_data->wait);
461 478
@@ -464,7 +481,7 @@ static int __devinit bu21013_probe(struct i2c_client *client,
464 error = pdata->cs_en(pdata->cs_pin); 481 error = pdata->cs_en(pdata->cs_pin);
465 if (error < 0) { 482 if (error < 0) {
466 dev_err(&client->dev, "chip init failed\n"); 483 dev_err(&client->dev, "chip init failed\n");
467 goto err_free_mem; 484 goto err_disable_regulator;
468 } 485 }
469 } 486 }
470 487
@@ -485,9 +502,9 @@ static int __devinit bu21013_probe(struct i2c_client *client,
485 __set_bit(EV_ABS, in_dev->evbit); 502 __set_bit(EV_ABS, in_dev->evbit);
486 503
487 input_set_abs_params(in_dev, ABS_MT_POSITION_X, 0, 504 input_set_abs_params(in_dev, ABS_MT_POSITION_X, 0,
488 pdata->x_max_res, 0, 0); 505 pdata->touch_x_max, 0, 0);
489 input_set_abs_params(in_dev, ABS_MT_POSITION_Y, 0, 506 input_set_abs_params(in_dev, ABS_MT_POSITION_Y, 0,
490 pdata->y_max_res, 0, 0); 507 pdata->touch_y_max, 0, 0);
491 input_set_drvdata(in_dev, bu21013_data); 508 input_set_drvdata(in_dev, bu21013_data);
492 509
493 error = request_threaded_irq(pdata->irq, NULL, bu21013_gpio_irq, 510 error = request_threaded_irq(pdata->irq, NULL, bu21013_gpio_irq,
@@ -513,6 +530,10 @@ err_free_irq:
513 bu21013_free_irq(bu21013_data); 530 bu21013_free_irq(bu21013_data);
514err_cs_disable: 531err_cs_disable:
515 pdata->cs_dis(pdata->cs_pin); 532 pdata->cs_dis(pdata->cs_pin);
533err_disable_regulator:
534 regulator_disable(bu21013_data->regulator);
535err_put_regulator:
536 regulator_put(bu21013_data->regulator);
516err_free_mem: 537err_free_mem:
517 input_free_device(in_dev); 538 input_free_device(in_dev);
518 kfree(bu21013_data); 539 kfree(bu21013_data);
@@ -535,6 +556,10 @@ static int __devexit bu21013_remove(struct i2c_client *client)
535 bu21013_data->chip->cs_dis(bu21013_data->chip->cs_pin); 556 bu21013_data->chip->cs_dis(bu21013_data->chip->cs_pin);
536 557
537 input_unregister_device(bu21013_data->in_dev); 558 input_unregister_device(bu21013_data->in_dev);
559
560 regulator_disable(bu21013_data->regulator);
561 regulator_put(bu21013_data->regulator);
562
538 kfree(bu21013_data); 563 kfree(bu21013_data);
539 564
540 device_init_wakeup(&client->dev, false); 565 device_init_wakeup(&client->dev, false);
@@ -561,6 +586,8 @@ static int bu21013_suspend(struct device *dev)
561 else 586 else
562 disable_irq(bu21013_data->chip->irq); 587 disable_irq(bu21013_data->chip->irq);
563 588
589 regulator_disable(bu21013_data->regulator);
590
564 return 0; 591 return 0;
565} 592}
566 593
@@ -577,6 +604,12 @@ static int bu21013_resume(struct device *dev)
577 struct i2c_client *client = bu21013_data->client; 604 struct i2c_client *client = bu21013_data->client;
578 int retval; 605 int retval;
579 606
607 retval = regulator_enable(bu21013_data->regulator);
608 if (retval < 0) {
609 dev_err(&client->dev, "bu21013 regulator enable failed\n");
610 return retval;
611 }
612
580 retval = bu21013_init_chip(bu21013_data); 613 retval = bu21013_init_chip(bu21013_data);
581 if (retval < 0) { 614 if (retval < 0) {
582 dev_err(&client->dev, "bu21013 controller config failed\n"); 615 dev_err(&client->dev, "bu21013 controller config failed\n");
diff --git a/drivers/input/touchscreen/tnetv107x-ts.c b/drivers/input/touchscreen/tnetv107x-ts.c
index cf1dba2e267c..22a3411e93c5 100644
--- a/drivers/input/touchscreen/tnetv107x-ts.c
+++ b/drivers/input/touchscreen/tnetv107x-ts.c
@@ -14,6 +14,7 @@
14 */ 14 */
15 15
16#include <linux/kernel.h> 16#include <linux/kernel.h>
17#include <linux/err.h>
17#include <linux/errno.h> 18#include <linux/errno.h>
18#include <linux/input.h> 19#include <linux/input.h>
19#include <linux/platform_device.h> 20#include <linux/platform_device.h>
@@ -289,9 +290,9 @@ static int __devinit tsc_probe(struct platform_device *pdev)
289 } 290 }
290 291
291 ts->clk = clk_get(dev, NULL); 292 ts->clk = clk_get(dev, NULL);
292 if (!ts->clk) { 293 if (IS_ERR(ts->clk)) {
293 dev_err(dev, "cannot claim device clock\n"); 294 dev_err(dev, "cannot claim device clock\n");
294 error = -EINVAL; 295 error = PTR_ERR(ts->clk);
295 goto error_clk; 296 goto error_clk;
296 } 297 }
297 298
diff --git a/drivers/input/touchscreen/wacom_w8001.c b/drivers/input/touchscreen/wacom_w8001.c
index 5cb8449c909d..c14412ef4648 100644
--- a/drivers/input/touchscreen/wacom_w8001.c
+++ b/drivers/input/touchscreen/wacom_w8001.c
@@ -51,6 +51,10 @@ MODULE_LICENSE("GPL");
51#define W8001_PKTLEN_TPCCTL 11 /* control packet */ 51#define W8001_PKTLEN_TPCCTL 11 /* control packet */
52#define W8001_PKTLEN_TOUCH2FG 13 52#define W8001_PKTLEN_TOUCH2FG 13
53 53
54/* resolution in points/mm */
55#define W8001_PEN_RESOLUTION 100
56#define W8001_TOUCH_RESOLUTION 10
57
54struct w8001_coord { 58struct w8001_coord {
55 u8 rdy; 59 u8 rdy;
56 u8 tsw; 60 u8 tsw;
@@ -198,7 +202,7 @@ static void parse_touchquery(u8 *data, struct w8001_touch_query *query)
198 query->y = 1024; 202 query->y = 1024;
199 if (query->panel_res) 203 if (query->panel_res)
200 query->x = query->y = (1 << query->panel_res); 204 query->x = query->y = (1 << query->panel_res);
201 query->panel_res = 10; 205 query->panel_res = W8001_TOUCH_RESOLUTION;
202 } 206 }
203} 207}
204 208
@@ -394,6 +398,8 @@ static int w8001_setup(struct w8001 *w8001)
394 398
395 input_set_abs_params(dev, ABS_X, 0, coord.x, 0, 0); 399 input_set_abs_params(dev, ABS_X, 0, coord.x, 0, 0);
396 input_set_abs_params(dev, ABS_Y, 0, coord.y, 0, 0); 400 input_set_abs_params(dev, ABS_Y, 0, coord.y, 0, 0);
401 input_abs_set_res(dev, ABS_X, W8001_PEN_RESOLUTION);
402 input_abs_set_res(dev, ABS_Y, W8001_PEN_RESOLUTION);
397 input_set_abs_params(dev, ABS_PRESSURE, 0, coord.pen_pressure, 0, 0); 403 input_set_abs_params(dev, ABS_PRESSURE, 0, coord.pen_pressure, 0, 0);
398 if (coord.tilt_x && coord.tilt_y) { 404 if (coord.tilt_x && coord.tilt_y) {
399 input_set_abs_params(dev, ABS_TILT_X, 0, coord.tilt_x, 0, 0); 405 input_set_abs_params(dev, ABS_TILT_X, 0, coord.tilt_x, 0, 0);
@@ -418,14 +424,17 @@ static int w8001_setup(struct w8001 *w8001)
418 w8001->max_touch_x = touch.x; 424 w8001->max_touch_x = touch.x;
419 w8001->max_touch_y = touch.y; 425 w8001->max_touch_y = touch.y;
420 426
421 /* scale to pen maximum */
422 if (w8001->max_pen_x && w8001->max_pen_y) { 427 if (w8001->max_pen_x && w8001->max_pen_y) {
428 /* if pen is supported scale to pen maximum */
423 touch.x = w8001->max_pen_x; 429 touch.x = w8001->max_pen_x;
424 touch.y = w8001->max_pen_y; 430 touch.y = w8001->max_pen_y;
431 touch.panel_res = W8001_PEN_RESOLUTION;
425 } 432 }
426 433
427 input_set_abs_params(dev, ABS_X, 0, touch.x, 0, 0); 434 input_set_abs_params(dev, ABS_X, 0, touch.x, 0, 0);
428 input_set_abs_params(dev, ABS_Y, 0, touch.y, 0, 0); 435 input_set_abs_params(dev, ABS_Y, 0, touch.y, 0, 0);
436 input_abs_set_res(dev, ABS_X, touch.panel_res);
437 input_abs_set_res(dev, ABS_Y, touch.panel_res);
429 438
430 switch (touch.sensor_id) { 439 switch (touch.sensor_id) {
431 case 0: 440 case 0:
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-25 05:02:17 -0500