diff options
author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-05-24 03:06:26 -0400 |
---|---|---|
committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-05-24 03:06:26 -0400 |
commit | b73077eb03f510a84b102fb97640e595a958403c (patch) | |
tree | 8b639000418e2756bf6baece4e00e07d2534bccc /drivers/input/keyboard | |
parent | 28350e330cfab46b60a1dbf763b678d859f9f3d9 (diff) | |
parent | 9d2e173644bb5c42ff1b280fbdda3f195a7cf1f7 (diff) |
Merge branch 'next' into for-linus
Diffstat (limited to 'drivers/input/keyboard')
-rw-r--r-- | drivers/input/keyboard/Kconfig | 22 | ||||
-rw-r--r-- | drivers/input/keyboard/Makefile | 2 | ||||
-rw-r--r-- | drivers/input/keyboard/adp5589-keys.c | 771 | ||||
-rw-r--r-- | drivers/input/keyboard/davinci_keyscan.c | 2 | ||||
-rw-r--r-- | drivers/input/keyboard/gpio_keys.c | 11 | ||||
-rw-r--r-- | drivers/input/keyboard/lm8323.c | 4 | ||||
-rw-r--r-- | drivers/input/keyboard/mpr121_touchkey.c | 339 | ||||
-rw-r--r-- | drivers/input/keyboard/omap-keypad.c | 6 | ||||
-rw-r--r-- | drivers/input/keyboard/qt1070.c | 1 | ||||
-rw-r--r-- | drivers/input/keyboard/sh_keysc.c | 53 | ||||
-rw-r--r-- | drivers/input/keyboard/tegra-kbc.c | 60 |
11 files changed, 1209 insertions, 62 deletions
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index b16bed038f72..69badb4e06aa 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig | |||
@@ -32,6 +32,16 @@ config KEYBOARD_ADP5588 | |||
32 | To compile this driver as a module, choose M here: the | 32 | To compile this driver as a module, choose M here: the |
33 | module will be called adp5588-keys. | 33 | module will be called adp5588-keys. |
34 | 34 | ||
35 | config KEYBOARD_ADP5589 | ||
36 | tristate "ADP5589 I2C QWERTY Keypad and IO Expander" | ||
37 | depends on I2C | ||
38 | help | ||
39 | Say Y here if you want to use a ADP5589 attached to your | ||
40 | system I2C bus. | ||
41 | |||
42 | To compile this driver as a module, choose M here: the | ||
43 | module will be called adp5589-keys. | ||
44 | |||
35 | config KEYBOARD_AMIGA | 45 | config KEYBOARD_AMIGA |
36 | tristate "Amiga keyboard" | 46 | tristate "Amiga keyboard" |
37 | depends on AMIGA | 47 | depends on AMIGA |
@@ -325,6 +335,18 @@ config KEYBOARD_MCS | |||
325 | To compile this driver as a module, choose M here: the | 335 | To compile this driver as a module, choose M here: the |
326 | module will be called mcs_touchkey. | 336 | module will be called mcs_touchkey. |
327 | 337 | ||
338 | config KEYBOARD_MPR121 | ||
339 | tristate "Freescale MPR121 Touchkey" | ||
340 | depends on I2C | ||
341 | help | ||
342 | Say Y here if you have Freescale MPR121 touchkey controller | ||
343 | chip in your system. | ||
344 | |||
345 | If unsure, say N. | ||
346 | |||
347 | To compile this driver as a module, choose M here: the | ||
348 | module will be called mpr121_touchkey. | ||
349 | |||
328 | config KEYBOARD_IMX | 350 | config KEYBOARD_IMX |
329 | tristate "IMX keypad support" | 351 | tristate "IMX keypad support" |
330 | depends on ARCH_MXC | 352 | depends on ARCH_MXC |
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile index 878e6c20deb0..c49cf8e04cd7 100644 --- a/drivers/input/keyboard/Makefile +++ b/drivers/input/keyboard/Makefile | |||
@@ -6,6 +6,7 @@ | |||
6 | 6 | ||
7 | obj-$(CONFIG_KEYBOARD_ADP5520) += adp5520-keys.o | 7 | obj-$(CONFIG_KEYBOARD_ADP5520) += adp5520-keys.o |
8 | obj-$(CONFIG_KEYBOARD_ADP5588) += adp5588-keys.o | 8 | obj-$(CONFIG_KEYBOARD_ADP5588) += adp5588-keys.o |
9 | obj-$(CONFIG_KEYBOARD_ADP5589) += adp5589-keys.o | ||
9 | obj-$(CONFIG_KEYBOARD_AMIGA) += amikbd.o | 10 | obj-$(CONFIG_KEYBOARD_AMIGA) += amikbd.o |
10 | obj-$(CONFIG_KEYBOARD_ATARI) += atakbd.o | 11 | obj-$(CONFIG_KEYBOARD_ATARI) += atakbd.o |
11 | obj-$(CONFIG_KEYBOARD_ATKBD) += atkbd.o | 12 | obj-$(CONFIG_KEYBOARD_ATKBD) += atkbd.o |
@@ -27,6 +28,7 @@ obj-$(CONFIG_KEYBOARD_MAPLE) += maple_keyb.o | |||
27 | obj-$(CONFIG_KEYBOARD_MATRIX) += matrix_keypad.o | 28 | obj-$(CONFIG_KEYBOARD_MATRIX) += matrix_keypad.o |
28 | obj-$(CONFIG_KEYBOARD_MAX7359) += max7359_keypad.o | 29 | obj-$(CONFIG_KEYBOARD_MAX7359) += max7359_keypad.o |
29 | obj-$(CONFIG_KEYBOARD_MCS) += mcs_touchkey.o | 30 | obj-$(CONFIG_KEYBOARD_MCS) += mcs_touchkey.o |
31 | obj-$(CONFIG_KEYBOARD_MPR121) += mpr121_touchkey.o | ||
30 | obj-$(CONFIG_KEYBOARD_NEWTON) += newtonkbd.o | 32 | obj-$(CONFIG_KEYBOARD_NEWTON) += newtonkbd.o |
31 | obj-$(CONFIG_KEYBOARD_NOMADIK) += nomadik-ske-keypad.o | 33 | obj-$(CONFIG_KEYBOARD_NOMADIK) += nomadik-ske-keypad.o |
32 | obj-$(CONFIG_KEYBOARD_OMAP) += omap-keypad.o | 34 | obj-$(CONFIG_KEYBOARD_OMAP) += omap-keypad.o |
diff --git a/drivers/input/keyboard/adp5589-keys.c b/drivers/input/keyboard/adp5589-keys.c new file mode 100644 index 000000000000..631598663aab --- /dev/null +++ b/drivers/input/keyboard/adp5589-keys.c | |||
@@ -0,0 +1,771 @@ | |||
1 | /* | ||
2 | * Description: keypad driver for ADP5589 | ||
3 | * I2C QWERTY Keypad and IO Expander | ||
4 | * Bugs: Enter bugs at http://blackfin.uclinux.org/ | ||
5 | * | ||
6 | * Copyright (C) 2010-2011 Analog Devices Inc. | ||
7 | * Licensed under the GPL-2. | ||
8 | */ | ||
9 | |||
10 | #include <linux/module.h> | ||
11 | #include <linux/version.h> | ||
12 | #include <linux/init.h> | ||
13 | #include <linux/interrupt.h> | ||
14 | #include <linux/irq.h> | ||
15 | #include <linux/workqueue.h> | ||
16 | #include <linux/errno.h> | ||
17 | #include <linux/pm.h> | ||
18 | #include <linux/platform_device.h> | ||
19 | #include <linux/input.h> | ||
20 | #include <linux/i2c.h> | ||
21 | #include <linux/gpio.h> | ||
22 | #include <linux/slab.h> | ||
23 | |||
24 | #include <linux/input/adp5589.h> | ||
25 | |||
26 | /* GENERAL_CFG Register */ | ||
27 | #define OSC_EN (1 << 7) | ||
28 | #define CORE_CLK(x) (((x) & 0x3) << 5) | ||
29 | #define LCK_TRK_LOGIC (1 << 4) | ||
30 | #define LCK_TRK_GPI (1 << 3) | ||
31 | #define INT_CFG (1 << 1) | ||
32 | #define RST_CFG (1 << 0) | ||
33 | |||
34 | /* INT_EN Register */ | ||
35 | #define LOGIC2_IEN (1 << 5) | ||
36 | #define LOGIC1_IEN (1 << 4) | ||
37 | #define LOCK_IEN (1 << 3) | ||
38 | #define OVRFLOW_IEN (1 << 2) | ||
39 | #define GPI_IEN (1 << 1) | ||
40 | #define EVENT_IEN (1 << 0) | ||
41 | |||
42 | /* Interrupt Status Register */ | ||
43 | #define LOGIC2_INT (1 << 5) | ||
44 | #define LOGIC1_INT (1 << 4) | ||
45 | #define LOCK_INT (1 << 3) | ||
46 | #define OVRFLOW_INT (1 << 2) | ||
47 | #define GPI_INT (1 << 1) | ||
48 | #define EVENT_INT (1 << 0) | ||
49 | |||
50 | /* STATUS Register */ | ||
51 | |||
52 | #define LOGIC2_STAT (1 << 7) | ||
53 | #define LOGIC1_STAT (1 << 6) | ||
54 | #define LOCK_STAT (1 << 5) | ||
55 | #define KEC 0xF | ||
56 | |||
57 | /* PIN_CONFIG_D Register */ | ||
58 | #define C4_EXTEND_CFG (1 << 6) /* RESET2 */ | ||
59 | #define R4_EXTEND_CFG (1 << 5) /* RESET1 */ | ||
60 | |||
61 | /* LOCK_CFG */ | ||
62 | #define LOCK_EN (1 << 0) | ||
63 | |||
64 | #define PTIME_MASK 0x3 | ||
65 | #define LTIME_MASK 0x3 | ||
66 | |||
67 | /* Key Event Register xy */ | ||
68 | #define KEY_EV_PRESSED (1 << 7) | ||
69 | #define KEY_EV_MASK (0x7F) | ||
70 | |||
71 | #define KEYP_MAX_EVENT 16 | ||
72 | |||
73 | #define MAXGPIO 19 | ||
74 | #define ADP_BANK(offs) ((offs) >> 3) | ||
75 | #define ADP_BIT(offs) (1u << ((offs) & 0x7)) | ||
76 | |||
77 | struct adp5589_kpad { | ||
78 | struct i2c_client *client; | ||
79 | struct input_dev *input; | ||
80 | unsigned short keycode[ADP5589_KEYMAPSIZE]; | ||
81 | const struct adp5589_gpi_map *gpimap; | ||
82 | unsigned short gpimapsize; | ||
83 | unsigned extend_cfg; | ||
84 | #ifdef CONFIG_GPIOLIB | ||
85 | unsigned char gpiomap[MAXGPIO]; | ||
86 | bool export_gpio; | ||
87 | struct gpio_chip gc; | ||
88 | struct mutex gpio_lock; /* Protect cached dir, dat_out */ | ||
89 | u8 dat_out[3]; | ||
90 | u8 dir[3]; | ||
91 | #endif | ||
92 | }; | ||
93 | |||
94 | static int adp5589_read(struct i2c_client *client, u8 reg) | ||
95 | { | ||
96 | int ret = i2c_smbus_read_byte_data(client, reg); | ||
97 | |||
98 | if (ret < 0) | ||
99 | dev_err(&client->dev, "Read Error\n"); | ||
100 | |||
101 | return ret; | ||
102 | } | ||
103 | |||
104 | static int adp5589_write(struct i2c_client *client, u8 reg, u8 val) | ||
105 | { | ||
106 | return i2c_smbus_write_byte_data(client, reg, val); | ||
107 | } | ||
108 | |||
109 | #ifdef CONFIG_GPIOLIB | ||
110 | static int adp5589_gpio_get_value(struct gpio_chip *chip, unsigned off) | ||
111 | { | ||
112 | struct adp5589_kpad *kpad = container_of(chip, struct adp5589_kpad, gc); | ||
113 | unsigned int bank = ADP_BANK(kpad->gpiomap[off]); | ||
114 | unsigned int bit = ADP_BIT(kpad->gpiomap[off]); | ||
115 | |||
116 | return !!(adp5589_read(kpad->client, ADP5589_GPI_STATUS_A + bank) & | ||
117 | bit); | ||
118 | } | ||
119 | |||
120 | static void adp5589_gpio_set_value(struct gpio_chip *chip, | ||
121 | unsigned off, int val) | ||
122 | { | ||
123 | struct adp5589_kpad *kpad = container_of(chip, struct adp5589_kpad, gc); | ||
124 | unsigned int bank = ADP_BANK(kpad->gpiomap[off]); | ||
125 | unsigned int bit = ADP_BIT(kpad->gpiomap[off]); | ||
126 | |||
127 | mutex_lock(&kpad->gpio_lock); | ||
128 | |||
129 | if (val) | ||
130 | kpad->dat_out[bank] |= bit; | ||
131 | else | ||
132 | kpad->dat_out[bank] &= ~bit; | ||
133 | |||
134 | adp5589_write(kpad->client, ADP5589_GPO_DATA_OUT_A + bank, | ||
135 | kpad->dat_out[bank]); | ||
136 | |||
137 | mutex_unlock(&kpad->gpio_lock); | ||
138 | } | ||
139 | |||
140 | static int adp5589_gpio_direction_input(struct gpio_chip *chip, unsigned off) | ||
141 | { | ||
142 | struct adp5589_kpad *kpad = container_of(chip, struct adp5589_kpad, gc); | ||
143 | unsigned int bank = ADP_BANK(kpad->gpiomap[off]); | ||
144 | unsigned int bit = ADP_BIT(kpad->gpiomap[off]); | ||
145 | int ret; | ||
146 | |||
147 | mutex_lock(&kpad->gpio_lock); | ||
148 | |||
149 | kpad->dir[bank] &= ~bit; | ||
150 | ret = adp5589_write(kpad->client, ADP5589_GPIO_DIRECTION_A + bank, | ||
151 | kpad->dir[bank]); | ||
152 | |||
153 | mutex_unlock(&kpad->gpio_lock); | ||
154 | |||
155 | return ret; | ||
156 | } | ||
157 | |||
158 | static int adp5589_gpio_direction_output(struct gpio_chip *chip, | ||
159 | unsigned off, int val) | ||
160 | { | ||
161 | struct adp5589_kpad *kpad = container_of(chip, struct adp5589_kpad, gc); | ||
162 | unsigned int bank = ADP_BANK(kpad->gpiomap[off]); | ||
163 | unsigned int bit = ADP_BIT(kpad->gpiomap[off]); | ||
164 | int ret; | ||
165 | |||
166 | mutex_lock(&kpad->gpio_lock); | ||
167 | |||
168 | kpad->dir[bank] |= bit; | ||
169 | |||
170 | if (val) | ||
171 | kpad->dat_out[bank] |= bit; | ||
172 | else | ||
173 | kpad->dat_out[bank] &= ~bit; | ||
174 | |||
175 | ret = adp5589_write(kpad->client, ADP5589_GPO_DATA_OUT_A + bank, | ||
176 | kpad->dat_out[bank]); | ||
177 | ret |= adp5589_write(kpad->client, ADP5589_GPIO_DIRECTION_A + bank, | ||
178 | kpad->dir[bank]); | ||
179 | |||
180 | mutex_unlock(&kpad->gpio_lock); | ||
181 | |||
182 | return ret; | ||
183 | } | ||
184 | |||
185 | static int __devinit adp5589_build_gpiomap(struct adp5589_kpad *kpad, | ||
186 | const struct adp5589_kpad_platform_data *pdata) | ||
187 | { | ||
188 | bool pin_used[MAXGPIO]; | ||
189 | int n_unused = 0; | ||
190 | int i; | ||
191 | |||
192 | memset(pin_used, false, sizeof(pin_used)); | ||
193 | |||
194 | for (i = 0; i < MAXGPIO; i++) | ||
195 | if (pdata->keypad_en_mask & (1 << i)) | ||
196 | pin_used[i] = true; | ||
197 | |||
198 | for (i = 0; i < kpad->gpimapsize; i++) | ||
199 | pin_used[kpad->gpimap[i].pin - ADP5589_GPI_PIN_BASE] = true; | ||
200 | |||
201 | if (kpad->extend_cfg & R4_EXTEND_CFG) | ||
202 | pin_used[4] = true; | ||
203 | |||
204 | if (kpad->extend_cfg & C4_EXTEND_CFG) | ||
205 | pin_used[12] = true; | ||
206 | |||
207 | for (i = 0; i < MAXGPIO; i++) | ||
208 | if (!pin_used[i]) | ||
209 | kpad->gpiomap[n_unused++] = i; | ||
210 | |||
211 | return n_unused; | ||
212 | } | ||
213 | |||
214 | static int __devinit adp5589_gpio_add(struct adp5589_kpad *kpad) | ||
215 | { | ||
216 | struct device *dev = &kpad->client->dev; | ||
217 | const struct adp5589_kpad_platform_data *pdata = dev->platform_data; | ||
218 | const struct adp5589_gpio_platform_data *gpio_data = pdata->gpio_data; | ||
219 | int i, error; | ||
220 | |||
221 | if (!gpio_data) | ||
222 | return 0; | ||
223 | |||
224 | kpad->gc.ngpio = adp5589_build_gpiomap(kpad, pdata); | ||
225 | if (kpad->gc.ngpio == 0) { | ||
226 | dev_info(dev, "No unused gpios left to export\n"); | ||
227 | return 0; | ||
228 | } | ||
229 | |||
230 | kpad->export_gpio = true; | ||
231 | |||
232 | kpad->gc.direction_input = adp5589_gpio_direction_input; | ||
233 | kpad->gc.direction_output = adp5589_gpio_direction_output; | ||
234 | kpad->gc.get = adp5589_gpio_get_value; | ||
235 | kpad->gc.set = adp5589_gpio_set_value; | ||
236 | kpad->gc.can_sleep = 1; | ||
237 | |||
238 | kpad->gc.base = gpio_data->gpio_start; | ||
239 | kpad->gc.label = kpad->client->name; | ||
240 | kpad->gc.owner = THIS_MODULE; | ||
241 | |||
242 | mutex_init(&kpad->gpio_lock); | ||
243 | |||
244 | error = gpiochip_add(&kpad->gc); | ||
245 | if (error) { | ||
246 | dev_err(dev, "gpiochip_add failed, err: %d\n", error); | ||
247 | return error; | ||
248 | } | ||
249 | |||
250 | for (i = 0; i <= ADP_BANK(MAXGPIO); i++) { | ||
251 | kpad->dat_out[i] = adp5589_read(kpad->client, | ||
252 | ADP5589_GPO_DATA_OUT_A + i); | ||
253 | kpad->dir[i] = adp5589_read(kpad->client, | ||
254 | ADP5589_GPIO_DIRECTION_A + i); | ||
255 | } | ||
256 | |||
257 | if (gpio_data->setup) { | ||
258 | error = gpio_data->setup(kpad->client, | ||
259 | kpad->gc.base, kpad->gc.ngpio, | ||
260 | gpio_data->context); | ||
261 | if (error) | ||
262 | dev_warn(dev, "setup failed, %d\n", error); | ||
263 | } | ||
264 | |||
265 | return 0; | ||
266 | } | ||
267 | |||
268 | static void __devexit adp5589_gpio_remove(struct adp5589_kpad *kpad) | ||
269 | { | ||
270 | struct device *dev = &kpad->client->dev; | ||
271 | const struct adp5589_kpad_platform_data *pdata = dev->platform_data; | ||
272 | const struct adp5589_gpio_platform_data *gpio_data = pdata->gpio_data; | ||
273 | int error; | ||
274 | |||
275 | if (!kpad->export_gpio) | ||
276 | return; | ||
277 | |||
278 | if (gpio_data->teardown) { | ||
279 | error = gpio_data->teardown(kpad->client, | ||
280 | kpad->gc.base, kpad->gc.ngpio, | ||
281 | gpio_data->context); | ||
282 | if (error) | ||
283 | dev_warn(dev, "teardown failed %d\n", error); | ||
284 | } | ||
285 | |||
286 | error = gpiochip_remove(&kpad->gc); | ||
287 | if (error) | ||
288 | dev_warn(dev, "gpiochip_remove failed %d\n", error); | ||
289 | } | ||
290 | #else | ||
291 | static inline int adp5589_gpio_add(struct adp5589_kpad *kpad) | ||
292 | { | ||
293 | return 0; | ||
294 | } | ||
295 | |||
296 | static inline void adp5589_gpio_remove(struct adp5589_kpad *kpad) | ||
297 | { | ||
298 | } | ||
299 | #endif | ||
300 | |||
301 | static void adp5589_report_switches(struct adp5589_kpad *kpad, | ||
302 | int key, int key_val) | ||
303 | { | ||
304 | int i; | ||
305 | |||
306 | for (i = 0; i < kpad->gpimapsize; i++) { | ||
307 | if (key_val == kpad->gpimap[i].pin) { | ||
308 | input_report_switch(kpad->input, | ||
309 | kpad->gpimap[i].sw_evt, | ||
310 | key & KEY_EV_PRESSED); | ||
311 | break; | ||
312 | } | ||
313 | } | ||
314 | } | ||
315 | |||
316 | static void adp5589_report_events(struct adp5589_kpad *kpad, int ev_cnt) | ||
317 | { | ||
318 | int i; | ||
319 | |||
320 | for (i = 0; i < ev_cnt; i++) { | ||
321 | int key = adp5589_read(kpad->client, ADP5589_FIFO_1 + i); | ||
322 | int key_val = key & KEY_EV_MASK; | ||
323 | |||
324 | if (key_val >= ADP5589_GPI_PIN_BASE && | ||
325 | key_val <= ADP5589_GPI_PIN_END) { | ||
326 | adp5589_report_switches(kpad, key, key_val); | ||
327 | } else { | ||
328 | input_report_key(kpad->input, | ||
329 | kpad->keycode[key_val - 1], | ||
330 | key & KEY_EV_PRESSED); | ||
331 | } | ||
332 | } | ||
333 | } | ||
334 | |||
335 | static irqreturn_t adp5589_irq(int irq, void *handle) | ||
336 | { | ||
337 | struct adp5589_kpad *kpad = handle; | ||
338 | struct i2c_client *client = kpad->client; | ||
339 | int status, ev_cnt; | ||
340 | |||
341 | status = adp5589_read(client, ADP5589_INT_STATUS); | ||
342 | |||
343 | if (status & OVRFLOW_INT) /* Unlikely and should never happen */ | ||
344 | dev_err(&client->dev, "Event Overflow Error\n"); | ||
345 | |||
346 | if (status & EVENT_INT) { | ||
347 | ev_cnt = adp5589_read(client, ADP5589_STATUS) & KEC; | ||
348 | if (ev_cnt) { | ||
349 | adp5589_report_events(kpad, ev_cnt); | ||
350 | input_sync(kpad->input); | ||
351 | } | ||
352 | } | ||
353 | |||
354 | adp5589_write(client, ADP5589_INT_STATUS, status); /* Status is W1C */ | ||
355 | |||
356 | return IRQ_HANDLED; | ||
357 | } | ||
358 | |||
359 | static int __devinit adp5589_get_evcode(struct adp5589_kpad *kpad, unsigned short key) | ||
360 | { | ||
361 | int i; | ||
362 | |||
363 | for (i = 0; i < ADP5589_KEYMAPSIZE; i++) | ||
364 | if (key == kpad->keycode[i]) | ||
365 | return (i + 1) | KEY_EV_PRESSED; | ||
366 | |||
367 | dev_err(&kpad->client->dev, "RESET/UNLOCK key not in keycode map\n"); | ||
368 | |||
369 | return -EINVAL; | ||
370 | } | ||
371 | |||
372 | static int __devinit adp5589_setup(struct adp5589_kpad *kpad) | ||
373 | { | ||
374 | struct i2c_client *client = kpad->client; | ||
375 | const struct adp5589_kpad_platform_data *pdata = | ||
376 | client->dev.platform_data; | ||
377 | int i, ret; | ||
378 | unsigned char evt_mode1 = 0, evt_mode2 = 0, evt_mode3 = 0; | ||
379 | unsigned char pull_mask = 0; | ||
380 | |||
381 | ret = adp5589_write(client, ADP5589_PIN_CONFIG_A, | ||
382 | pdata->keypad_en_mask & 0xFF); | ||
383 | ret |= adp5589_write(client, ADP5589_PIN_CONFIG_B, | ||
384 | (pdata->keypad_en_mask >> 8) & 0xFF); | ||
385 | ret |= adp5589_write(client, ADP5589_PIN_CONFIG_C, | ||
386 | (pdata->keypad_en_mask >> 16) & 0xFF); | ||
387 | |||
388 | if (pdata->en_keylock) { | ||
389 | ret |= adp5589_write(client, ADP5589_UNLOCK1, | ||
390 | pdata->unlock_key1); | ||
391 | ret |= adp5589_write(client, ADP5589_UNLOCK2, | ||
392 | pdata->unlock_key2); | ||
393 | ret |= adp5589_write(client, ADP5589_UNLOCK_TIMERS, | ||
394 | pdata->unlock_timer & LTIME_MASK); | ||
395 | ret |= adp5589_write(client, ADP5589_LOCK_CFG, LOCK_EN); | ||
396 | } | ||
397 | |||
398 | for (i = 0; i < KEYP_MAX_EVENT; i++) | ||
399 | ret |= adp5589_read(client, ADP5589_FIFO_1 + i); | ||
400 | |||
401 | for (i = 0; i < pdata->gpimapsize; i++) { | ||
402 | unsigned short pin = pdata->gpimap[i].pin; | ||
403 | |||
404 | if (pin <= ADP5589_GPI_PIN_ROW_END) { | ||
405 | evt_mode1 |= (1 << (pin - ADP5589_GPI_PIN_ROW_BASE)); | ||
406 | } else { | ||
407 | evt_mode2 |= | ||
408 | ((1 << (pin - ADP5589_GPI_PIN_COL_BASE)) & 0xFF); | ||
409 | evt_mode3 |= | ||
410 | ((1 << (pin - ADP5589_GPI_PIN_COL_BASE)) >> 8); | ||
411 | } | ||
412 | } | ||
413 | |||
414 | if (pdata->gpimapsize) { | ||
415 | ret |= adp5589_write(client, ADP5589_GPI_EVENT_EN_A, evt_mode1); | ||
416 | ret |= adp5589_write(client, ADP5589_GPI_EVENT_EN_B, evt_mode2); | ||
417 | ret |= adp5589_write(client, ADP5589_GPI_EVENT_EN_C, evt_mode3); | ||
418 | } | ||
419 | |||
420 | if (pdata->pull_dis_mask & pdata->pullup_en_100k & | ||
421 | pdata->pullup_en_300k & pdata->pulldown_en_300k) | ||
422 | dev_warn(&client->dev, "Conflicting pull resistor config\n"); | ||
423 | |||
424 | for (i = 0; i < MAXGPIO; i++) { | ||
425 | unsigned val = 0; | ||
426 | |||
427 | if (pdata->pullup_en_300k & (1 << i)) | ||
428 | val = 0; | ||
429 | else if (pdata->pulldown_en_300k & (1 << i)) | ||
430 | val = 1; | ||
431 | else if (pdata->pullup_en_100k & (1 << i)) | ||
432 | val = 2; | ||
433 | else if (pdata->pull_dis_mask & (1 << i)) | ||
434 | val = 3; | ||
435 | |||
436 | pull_mask |= val << (2 * (i & 0x3)); | ||
437 | |||
438 | if ((i & 0x3) == 0x3 || i == MAXGPIO - 1) { | ||
439 | ret |= adp5589_write(client, | ||
440 | ADP5589_RPULL_CONFIG_A + (i >> 2), | ||
441 | pull_mask); | ||
442 | pull_mask = 0; | ||
443 | } | ||
444 | } | ||
445 | |||
446 | if (pdata->reset1_key_1 && pdata->reset1_key_2 && pdata->reset1_key_3) { | ||
447 | ret |= adp5589_write(client, ADP5589_RESET1_EVENT_A, | ||
448 | adp5589_get_evcode(kpad, | ||
449 | pdata->reset1_key_1)); | ||
450 | ret |= adp5589_write(client, ADP5589_RESET1_EVENT_B, | ||
451 | adp5589_get_evcode(kpad, | ||
452 | pdata->reset1_key_2)); | ||
453 | ret |= adp5589_write(client, ADP5589_RESET1_EVENT_C, | ||
454 | adp5589_get_evcode(kpad, | ||
455 | pdata->reset1_key_3)); | ||
456 | kpad->extend_cfg |= R4_EXTEND_CFG; | ||
457 | } | ||
458 | |||
459 | if (pdata->reset2_key_1 && pdata->reset2_key_2) { | ||
460 | ret |= adp5589_write(client, ADP5589_RESET2_EVENT_A, | ||
461 | adp5589_get_evcode(kpad, | ||
462 | pdata->reset2_key_1)); | ||
463 | ret |= adp5589_write(client, ADP5589_RESET2_EVENT_B, | ||
464 | adp5589_get_evcode(kpad, | ||
465 | pdata->reset2_key_2)); | ||
466 | kpad->extend_cfg |= C4_EXTEND_CFG; | ||
467 | } | ||
468 | |||
469 | if (kpad->extend_cfg) { | ||
470 | ret |= adp5589_write(client, ADP5589_RESET_CFG, | ||
471 | pdata->reset_cfg); | ||
472 | ret |= adp5589_write(client, ADP5589_PIN_CONFIG_D, | ||
473 | kpad->extend_cfg); | ||
474 | } | ||
475 | |||
476 | for (i = 0; i <= ADP_BANK(MAXGPIO); i++) | ||
477 | ret |= adp5589_write(client, ADP5589_DEBOUNCE_DIS_A + i, | ||
478 | pdata->debounce_dis_mask >> (i * 8)); | ||
479 | |||
480 | ret |= adp5589_write(client, ADP5589_POLL_PTIME_CFG, | ||
481 | pdata->scan_cycle_time & PTIME_MASK); | ||
482 | ret |= adp5589_write(client, ADP5589_INT_STATUS, LOGIC2_INT | | ||
483 | LOGIC1_INT | OVRFLOW_INT | LOCK_INT | | ||
484 | GPI_INT | EVENT_INT); /* Status is W1C */ | ||
485 | |||
486 | ret |= adp5589_write(client, ADP5589_GENERAL_CFG, | ||
487 | INT_CFG | OSC_EN | CORE_CLK(3)); | ||
488 | ret |= adp5589_write(client, ADP5589_INT_EN, | ||
489 | OVRFLOW_IEN | GPI_IEN | EVENT_IEN); | ||
490 | |||
491 | if (ret < 0) { | ||
492 | dev_err(&client->dev, "Write Error\n"); | ||
493 | return ret; | ||
494 | } | ||
495 | |||
496 | return 0; | ||
497 | } | ||
498 | |||
499 | static void __devinit adp5589_report_switch_state(struct adp5589_kpad *kpad) | ||
500 | { | ||
501 | int gpi_stat1 = adp5589_read(kpad->client, ADP5589_GPI_STATUS_A); | ||
502 | int gpi_stat2 = adp5589_read(kpad->client, ADP5589_GPI_STATUS_B); | ||
503 | int gpi_stat3 = adp5589_read(kpad->client, ADP5589_GPI_STATUS_C); | ||
504 | int gpi_stat_tmp, pin_loc; | ||
505 | int i; | ||
506 | |||
507 | for (i = 0; i < kpad->gpimapsize; i++) { | ||
508 | unsigned short pin = kpad->gpimap[i].pin; | ||
509 | |||
510 | if (pin <= ADP5589_GPI_PIN_ROW_END) { | ||
511 | gpi_stat_tmp = gpi_stat1; | ||
512 | pin_loc = pin - ADP5589_GPI_PIN_ROW_BASE; | ||
513 | } else if ((pin - ADP5589_GPI_PIN_COL_BASE) < 8) { | ||
514 | gpi_stat_tmp = gpi_stat2; | ||
515 | pin_loc = pin - ADP5589_GPI_PIN_COL_BASE; | ||
516 | } else { | ||
517 | gpi_stat_tmp = gpi_stat3; | ||
518 | pin_loc = pin - ADP5589_GPI_PIN_COL_BASE - 8; | ||
519 | } | ||
520 | |||
521 | if (gpi_stat_tmp < 0) { | ||
522 | dev_err(&kpad->client->dev, | ||
523 | "Can't read GPIO_DAT_STAT switch" | ||
524 | " %d default to OFF\n", pin); | ||
525 | gpi_stat_tmp = 0; | ||
526 | } | ||
527 | |||
528 | input_report_switch(kpad->input, | ||
529 | kpad->gpimap[i].sw_evt, | ||
530 | !(gpi_stat_tmp & (1 << pin_loc))); | ||
531 | } | ||
532 | |||
533 | input_sync(kpad->input); | ||
534 | } | ||
535 | |||
536 | static int __devinit adp5589_probe(struct i2c_client *client, | ||
537 | const struct i2c_device_id *id) | ||
538 | { | ||
539 | struct adp5589_kpad *kpad; | ||
540 | const struct adp5589_kpad_platform_data *pdata; | ||
541 | struct input_dev *input; | ||
542 | unsigned int revid; | ||
543 | int ret, i; | ||
544 | int error; | ||
545 | |||
546 | if (!i2c_check_functionality(client->adapter, | ||
547 | I2C_FUNC_SMBUS_BYTE_DATA)) { | ||
548 | dev_err(&client->dev, "SMBUS Byte Data not Supported\n"); | ||
549 | return -EIO; | ||
550 | } | ||
551 | |||
552 | pdata = client->dev.platform_data; | ||
553 | if (!pdata) { | ||
554 | dev_err(&client->dev, "no platform data?\n"); | ||
555 | return -EINVAL; | ||
556 | } | ||
557 | |||
558 | if (!((pdata->keypad_en_mask & 0xFF) && | ||
559 | (pdata->keypad_en_mask >> 8)) || !pdata->keymap) { | ||
560 | dev_err(&client->dev, "no rows, cols or keymap from pdata\n"); | ||
561 | return -EINVAL; | ||
562 | } | ||
563 | |||
564 | if (pdata->keymapsize != ADP5589_KEYMAPSIZE) { | ||
565 | dev_err(&client->dev, "invalid keymapsize\n"); | ||
566 | return -EINVAL; | ||
567 | } | ||
568 | |||
569 | if (!pdata->gpimap && pdata->gpimapsize) { | ||
570 | dev_err(&client->dev, "invalid gpimap from pdata\n"); | ||
571 | return -EINVAL; | ||
572 | } | ||
573 | |||
574 | if (pdata->gpimapsize > ADP5589_GPIMAPSIZE_MAX) { | ||
575 | dev_err(&client->dev, "invalid gpimapsize\n"); | ||
576 | return -EINVAL; | ||
577 | } | ||
578 | |||
579 | for (i = 0; i < pdata->gpimapsize; i++) { | ||
580 | unsigned short pin = pdata->gpimap[i].pin; | ||
581 | |||
582 | if (pin < ADP5589_GPI_PIN_BASE || pin > ADP5589_GPI_PIN_END) { | ||
583 | dev_err(&client->dev, "invalid gpi pin data\n"); | ||
584 | return -EINVAL; | ||
585 | } | ||
586 | |||
587 | if ((1 << (pin - ADP5589_GPI_PIN_ROW_BASE)) & | ||
588 | pdata->keypad_en_mask) { | ||
589 | dev_err(&client->dev, "invalid gpi row/col data\n"); | ||
590 | return -EINVAL; | ||
591 | } | ||
592 | } | ||
593 | |||
594 | if (!client->irq) { | ||
595 | dev_err(&client->dev, "no IRQ?\n"); | ||
596 | return -EINVAL; | ||
597 | } | ||
598 | |||
599 | kpad = kzalloc(sizeof(*kpad), GFP_KERNEL); | ||
600 | input = input_allocate_device(); | ||
601 | if (!kpad || !input) { | ||
602 | error = -ENOMEM; | ||
603 | goto err_free_mem; | ||
604 | } | ||
605 | |||
606 | kpad->client = client; | ||
607 | kpad->input = input; | ||
608 | |||
609 | ret = adp5589_read(client, ADP5589_ID); | ||
610 | if (ret < 0) { | ||
611 | error = ret; | ||
612 | goto err_free_mem; | ||
613 | } | ||
614 | |||
615 | revid = (u8) ret & ADP5589_DEVICE_ID_MASK; | ||
616 | |||
617 | input->name = client->name; | ||
618 | input->phys = "adp5589-keys/input0"; | ||
619 | input->dev.parent = &client->dev; | ||
620 | |||
621 | input_set_drvdata(input, kpad); | ||
622 | |||
623 | input->id.bustype = BUS_I2C; | ||
624 | input->id.vendor = 0x0001; | ||
625 | input->id.product = 0x0001; | ||
626 | input->id.version = revid; | ||
627 | |||
628 | input->keycodesize = sizeof(kpad->keycode[0]); | ||
629 | input->keycodemax = pdata->keymapsize; | ||
630 | input->keycode = kpad->keycode; | ||
631 | |||
632 | memcpy(kpad->keycode, pdata->keymap, | ||
633 | pdata->keymapsize * input->keycodesize); | ||
634 | |||
635 | kpad->gpimap = pdata->gpimap; | ||
636 | kpad->gpimapsize = pdata->gpimapsize; | ||
637 | |||
638 | /* setup input device */ | ||
639 | __set_bit(EV_KEY, input->evbit); | ||
640 | |||
641 | if (pdata->repeat) | ||
642 | __set_bit(EV_REP, input->evbit); | ||
643 | |||
644 | for (i = 0; i < input->keycodemax; i++) | ||
645 | __set_bit(kpad->keycode[i] & KEY_MAX, input->keybit); | ||
646 | __clear_bit(KEY_RESERVED, input->keybit); | ||
647 | |||
648 | if (kpad->gpimapsize) | ||
649 | __set_bit(EV_SW, input->evbit); | ||
650 | for (i = 0; i < kpad->gpimapsize; i++) | ||
651 | __set_bit(kpad->gpimap[i].sw_evt, input->swbit); | ||
652 | |||
653 | error = input_register_device(input); | ||
654 | if (error) { | ||
655 | dev_err(&client->dev, "unable to register input device\n"); | ||
656 | goto err_free_mem; | ||
657 | } | ||
658 | |||
659 | error = request_threaded_irq(client->irq, NULL, adp5589_irq, | ||
660 | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, | ||
661 | client->dev.driver->name, kpad); | ||
662 | if (error) { | ||
663 | dev_err(&client->dev, "irq %d busy?\n", client->irq); | ||
664 | goto err_unreg_dev; | ||
665 | } | ||
666 | |||
667 | error = adp5589_setup(kpad); | ||
668 | if (error) | ||
669 | goto err_free_irq; | ||
670 | |||
671 | if (kpad->gpimapsize) | ||
672 | adp5589_report_switch_state(kpad); | ||
673 | |||
674 | error = adp5589_gpio_add(kpad); | ||
675 | if (error) | ||
676 | goto err_free_irq; | ||
677 | |||
678 | device_init_wakeup(&client->dev, 1); | ||
679 | i2c_set_clientdata(client, kpad); | ||
680 | |||
681 | dev_info(&client->dev, "Rev.%d keypad, irq %d\n", revid, client->irq); | ||
682 | return 0; | ||
683 | |||
684 | err_free_irq: | ||
685 | free_irq(client->irq, kpad); | ||
686 | err_unreg_dev: | ||
687 | input_unregister_device(input); | ||
688 | input = NULL; | ||
689 | err_free_mem: | ||
690 | input_free_device(input); | ||
691 | kfree(kpad); | ||
692 | |||
693 | return error; | ||
694 | } | ||
695 | |||
696 | static int __devexit adp5589_remove(struct i2c_client *client) | ||
697 | { | ||
698 | struct adp5589_kpad *kpad = i2c_get_clientdata(client); | ||
699 | |||
700 | adp5589_write(client, ADP5589_GENERAL_CFG, 0); | ||
701 | free_irq(client->irq, kpad); | ||
702 | input_unregister_device(kpad->input); | ||
703 | adp5589_gpio_remove(kpad); | ||
704 | kfree(kpad); | ||
705 | |||
706 | return 0; | ||
707 | } | ||
708 | |||
709 | #ifdef CONFIG_PM_SLEEP | ||
710 | static int adp5589_suspend(struct device *dev) | ||
711 | { | ||
712 | struct adp5589_kpad *kpad = dev_get_drvdata(dev); | ||
713 | struct i2c_client *client = kpad->client; | ||
714 | |||
715 | disable_irq(client->irq); | ||
716 | |||
717 | if (device_may_wakeup(&client->dev)) | ||
718 | enable_irq_wake(client->irq); | ||
719 | |||
720 | return 0; | ||
721 | } | ||
722 | |||
723 | static int adp5589_resume(struct device *dev) | ||
724 | { | ||
725 | struct adp5589_kpad *kpad = dev_get_drvdata(dev); | ||
726 | struct i2c_client *client = kpad->client; | ||
727 | |||
728 | if (device_may_wakeup(&client->dev)) | ||
729 | disable_irq_wake(client->irq); | ||
730 | |||
731 | enable_irq(client->irq); | ||
732 | |||
733 | return 0; | ||
734 | } | ||
735 | #endif | ||
736 | |||
737 | static SIMPLE_DEV_PM_OPS(adp5589_dev_pm_ops, adp5589_suspend, adp5589_resume); | ||
738 | |||
739 | static const struct i2c_device_id adp5589_id[] = { | ||
740 | {"adp5589-keys", 0}, | ||
741 | {} | ||
742 | }; | ||
743 | |||
744 | MODULE_DEVICE_TABLE(i2c, adp5589_id); | ||
745 | |||
746 | static struct i2c_driver adp5589_driver = { | ||
747 | .driver = { | ||
748 | .name = KBUILD_MODNAME, | ||
749 | .owner = THIS_MODULE, | ||
750 | .pm = &adp5589_dev_pm_ops, | ||
751 | }, | ||
752 | .probe = adp5589_probe, | ||
753 | .remove = __devexit_p(adp5589_remove), | ||
754 | .id_table = adp5589_id, | ||
755 | }; | ||
756 | |||
757 | static int __init adp5589_init(void) | ||
758 | { | ||
759 | return i2c_add_driver(&adp5589_driver); | ||
760 | } | ||
761 | module_init(adp5589_init); | ||
762 | |||
763 | static void __exit adp5589_exit(void) | ||
764 | { | ||
765 | i2c_del_driver(&adp5589_driver); | ||
766 | } | ||
767 | module_exit(adp5589_exit); | ||
768 | |||
769 | MODULE_LICENSE("GPL"); | ||
770 | MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); | ||
771 | MODULE_DESCRIPTION("ADP5589 Keypad driver"); | ||
diff --git a/drivers/input/keyboard/davinci_keyscan.c b/drivers/input/keyboard/davinci_keyscan.c index a91ee941b5c1..cd89d17162a3 100644 --- a/drivers/input/keyboard/davinci_keyscan.c +++ b/drivers/input/keyboard/davinci_keyscan.c | |||
@@ -5,7 +5,7 @@ | |||
5 | * | 5 | * |
6 | * Author: Miguel Aguilar <miguel.aguilar@ridgerun.com> | 6 | * Author: Miguel Aguilar <miguel.aguilar@ridgerun.com> |
7 | * | 7 | * |
8 | * Intial Code: Sandeep Paulraj <s-paulraj@ti.com> | 8 | * Initial Code: Sandeep Paulraj <s-paulraj@ti.com> |
9 | * | 9 | * |
10 | * This program is free software; you can redistribute it and/or modify | 10 | * This program is free software; you can redistribute it and/or modify |
11 | * it under the terms of the GNU General Public License as published by | 11 | * it under the terms of the GNU General Public License as published by |
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index eb3006361ee4..6e6145b9a4c1 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c | |||
@@ -324,7 +324,12 @@ static void gpio_keys_report_event(struct gpio_button_data *bdata) | |||
324 | unsigned int type = button->type ?: EV_KEY; | 324 | unsigned int type = button->type ?: EV_KEY; |
325 | int state = (gpio_get_value_cansleep(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 | if (type == EV_ABS) { |
328 | if (state) | ||
329 | input_event(input, type, button->code, button->value); | ||
330 | } else { | ||
331 | input_event(input, type, button->code, !!state); | ||
332 | } | ||
328 | input_sync(input); | 333 | input_sync(input); |
329 | } | 334 | } |
330 | 335 | ||
@@ -363,7 +368,7 @@ static int __devinit gpio_keys_setup_key(struct platform_device *pdev, | |||
363 | struct gpio_button_data *bdata, | 368 | struct gpio_button_data *bdata, |
364 | struct gpio_keys_button *button) | 369 | struct gpio_keys_button *button) |
365 | { | 370 | { |
366 | char *desc = button->desc ? button->desc : "gpio_keys"; | 371 | const char *desc = button->desc ? button->desc : "gpio_keys"; |
367 | struct device *dev = &pdev->dev; | 372 | struct device *dev = &pdev->dev; |
368 | unsigned long irqflags; | 373 | unsigned long irqflags; |
369 | int irq, error; | 374 | int irq, error; |
@@ -468,7 +473,7 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev) | |||
468 | platform_set_drvdata(pdev, ddata); | 473 | platform_set_drvdata(pdev, ddata); |
469 | input_set_drvdata(input, ddata); | 474 | input_set_drvdata(input, ddata); |
470 | 475 | ||
471 | input->name = pdev->name; | 476 | input->name = pdata->name ? : pdev->name; |
472 | input->phys = "gpio-keys/input0"; | 477 | input->phys = "gpio-keys/input0"; |
473 | input->dev.parent = &pdev->dev; | 478 | input->dev.parent = &pdev->dev; |
474 | input->open = gpio_keys_open; | 479 | input->open = gpio_keys_open; |
diff --git a/drivers/input/keyboard/lm8323.c b/drivers/input/keyboard/lm8323.c index b732870ecc89..71f744a8e686 100644 --- a/drivers/input/keyboard/lm8323.c +++ b/drivers/input/keyboard/lm8323.c | |||
@@ -809,7 +809,7 @@ static int lm8323_suspend(struct device *dev) | |||
809 | struct lm8323_chip *lm = i2c_get_clientdata(client); | 809 | struct lm8323_chip *lm = i2c_get_clientdata(client); |
810 | int i; | 810 | int i; |
811 | 811 | ||
812 | set_irq_wake(client->irq, 0); | 812 | irq_set_irq_wake(client->irq, 0); |
813 | disable_irq(client->irq); | 813 | disable_irq(client->irq); |
814 | 814 | ||
815 | mutex_lock(&lm->lock); | 815 | mutex_lock(&lm->lock); |
@@ -838,7 +838,7 @@ static int lm8323_resume(struct device *dev) | |||
838 | led_classdev_resume(&lm->pwm[i].cdev); | 838 | led_classdev_resume(&lm->pwm[i].cdev); |
839 | 839 | ||
840 | enable_irq(client->irq); | 840 | enable_irq(client->irq); |
841 | set_irq_wake(client->irq, 1); | 841 | irq_set_irq_wake(client->irq, 1); |
842 | 842 | ||
843 | return 0; | 843 | return 0; |
844 | } | 844 | } |
diff --git a/drivers/input/keyboard/mpr121_touchkey.c b/drivers/input/keyboard/mpr121_touchkey.c new file mode 100644 index 000000000000..0a9e81194888 --- /dev/null +++ b/drivers/input/keyboard/mpr121_touchkey.c | |||
@@ -0,0 +1,339 @@ | |||
1 | /* | ||
2 | * Touchkey driver for Freescale MPR121 Controllor | ||
3 | * | ||
4 | * Copyright (C) 2011 Freescale Semiconductor, Inc. | ||
5 | * Author: Zhang Jiejing <jiejing.zhang@freescale.com> | ||
6 | * | ||
7 | * Based on mcs_touchkey.c | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or modify | ||
10 | * it under the terms of the GNU General Public License version 2 as | ||
11 | * published by the Free Software Foundation. | ||
12 | * | ||
13 | */ | ||
14 | |||
15 | #include <linux/module.h> | ||
16 | #include <linux/init.h> | ||
17 | #include <linux/input.h> | ||
18 | #include <linux/i2c.h> | ||
19 | #include <linux/slab.h> | ||
20 | #include <linux/delay.h> | ||
21 | #include <linux/bitops.h> | ||
22 | #include <linux/interrupt.h> | ||
23 | #include <linux/i2c/mpr121_touchkey.h> | ||
24 | |||
25 | /* Register definitions */ | ||
26 | #define ELE_TOUCH_STATUS_0_ADDR 0x0 | ||
27 | #define ELE_TOUCH_STATUS_1_ADDR 0X1 | ||
28 | #define MHD_RISING_ADDR 0x2b | ||
29 | #define NHD_RISING_ADDR 0x2c | ||
30 | #define NCL_RISING_ADDR 0x2d | ||
31 | #define FDL_RISING_ADDR 0x2e | ||
32 | #define MHD_FALLING_ADDR 0x2f | ||
33 | #define NHD_FALLING_ADDR 0x30 | ||
34 | #define NCL_FALLING_ADDR 0x31 | ||
35 | #define FDL_FALLING_ADDR 0x32 | ||
36 | #define ELE0_TOUCH_THRESHOLD_ADDR 0x41 | ||
37 | #define ELE0_RELEASE_THRESHOLD_ADDR 0x42 | ||
38 | #define AFE_CONF_ADDR 0x5c | ||
39 | #define FILTER_CONF_ADDR 0x5d | ||
40 | |||
41 | /* | ||
42 | * ELECTRODE_CONF_ADDR: This register configures the number of | ||
43 | * enabled capacitance sensing inputs and its run/suspend mode. | ||
44 | */ | ||
45 | #define ELECTRODE_CONF_ADDR 0x5e | ||
46 | #define AUTO_CONFIG_CTRL_ADDR 0x7b | ||
47 | #define AUTO_CONFIG_USL_ADDR 0x7d | ||
48 | #define AUTO_CONFIG_LSL_ADDR 0x7e | ||
49 | #define AUTO_CONFIG_TL_ADDR 0x7f | ||
50 | |||
51 | /* Threshold of touch/release trigger */ | ||
52 | #define TOUCH_THRESHOLD 0x0f | ||
53 | #define RELEASE_THRESHOLD 0x0a | ||
54 | /* Masks for touch and release triggers */ | ||
55 | #define TOUCH_STATUS_MASK 0xfff | ||
56 | /* MPR121 has 12 keys */ | ||
57 | #define MPR121_MAX_KEY_COUNT 12 | ||
58 | |||
59 | struct mpr121_touchkey { | ||
60 | struct i2c_client *client; | ||
61 | struct input_dev *input_dev; | ||
62 | unsigned int key_val; | ||
63 | unsigned int statusbits; | ||
64 | unsigned int keycount; | ||
65 | u16 keycodes[MPR121_MAX_KEY_COUNT]; | ||
66 | }; | ||
67 | |||
68 | struct mpr121_init_register { | ||
69 | int addr; | ||
70 | u8 val; | ||
71 | }; | ||
72 | |||
73 | static const struct mpr121_init_register init_reg_table[] __devinitconst = { | ||
74 | { MHD_RISING_ADDR, 0x1 }, | ||
75 | { NHD_RISING_ADDR, 0x1 }, | ||
76 | { MHD_FALLING_ADDR, 0x1 }, | ||
77 | { NHD_FALLING_ADDR, 0x1 }, | ||
78 | { NCL_FALLING_ADDR, 0xff }, | ||
79 | { FDL_FALLING_ADDR, 0x02 }, | ||
80 | { FILTER_CONF_ADDR, 0x04 }, | ||
81 | { AFE_CONF_ADDR, 0x0b }, | ||
82 | { AUTO_CONFIG_CTRL_ADDR, 0x0b }, | ||
83 | }; | ||
84 | |||
85 | static irqreturn_t mpr_touchkey_interrupt(int irq, void *dev_id) | ||
86 | { | ||
87 | struct mpr121_touchkey *mpr121 = dev_id; | ||
88 | struct i2c_client *client = mpr121->client; | ||
89 | struct input_dev *input = mpr121->input_dev; | ||
90 | unsigned int key_num, key_val, pressed; | ||
91 | int reg; | ||
92 | |||
93 | reg = i2c_smbus_read_byte_data(client, ELE_TOUCH_STATUS_1_ADDR); | ||
94 | if (reg < 0) { | ||
95 | dev_err(&client->dev, "i2c read error [%d]\n", reg); | ||
96 | goto out; | ||
97 | } | ||
98 | |||
99 | reg <<= 8; | ||
100 | reg |= i2c_smbus_read_byte_data(client, ELE_TOUCH_STATUS_0_ADDR); | ||
101 | if (reg < 0) { | ||
102 | dev_err(&client->dev, "i2c read error [%d]\n", reg); | ||
103 | goto out; | ||
104 | } | ||
105 | |||
106 | reg &= TOUCH_STATUS_MASK; | ||
107 | /* use old press bit to figure out which bit changed */ | ||
108 | key_num = ffs(reg ^ mpr121->statusbits) - 1; | ||
109 | pressed = reg & (1 << key_num); | ||
110 | mpr121->statusbits = reg; | ||
111 | |||
112 | key_val = mpr121->keycodes[key_num]; | ||
113 | |||
114 | input_event(input, EV_MSC, MSC_SCAN, key_num); | ||
115 | input_report_key(input, key_val, pressed); | ||
116 | input_sync(input); | ||
117 | |||
118 | dev_dbg(&client->dev, "key %d %d %s\n", key_num, key_val, | ||
119 | pressed ? "pressed" : "released"); | ||
120 | |||
121 | out: | ||
122 | return IRQ_HANDLED; | ||
123 | } | ||
124 | |||
125 | static int __devinit mpr121_phys_init(const struct mpr121_platform_data *pdata, | ||
126 | struct mpr121_touchkey *mpr121, | ||
127 | struct i2c_client *client) | ||
128 | { | ||
129 | const struct mpr121_init_register *reg; | ||
130 | unsigned char usl, lsl, tl; | ||
131 | int i, t, vdd, ret; | ||
132 | |||
133 | /* Set up touch/release threshold for ele0-ele11 */ | ||
134 | for (i = 0; i <= MPR121_MAX_KEY_COUNT; i++) { | ||
135 | t = ELE0_TOUCH_THRESHOLD_ADDR + (i * 2); | ||
136 | ret = i2c_smbus_write_byte_data(client, t, TOUCH_THRESHOLD); | ||
137 | if (ret < 0) | ||
138 | goto err_i2c_write; | ||
139 | ret = i2c_smbus_write_byte_data(client, t + 1, | ||
140 | RELEASE_THRESHOLD); | ||
141 | if (ret < 0) | ||
142 | goto err_i2c_write; | ||
143 | } | ||
144 | |||
145 | /* Set up init register */ | ||
146 | for (i = 0; i < ARRAY_SIZE(init_reg_table); i++) { | ||
147 | reg = &init_reg_table[i]; | ||
148 | ret = i2c_smbus_write_byte_data(client, reg->addr, reg->val); | ||
149 | if (ret < 0) | ||
150 | goto err_i2c_write; | ||
151 | } | ||
152 | |||
153 | |||
154 | /* | ||
155 | * Capacitance on sensing input varies and needs to be compensated. | ||
156 | * The internal MPR121-auto-configuration can do this if it's | ||
157 | * registers are set properly (based on pdata->vdd_uv). | ||
158 | */ | ||
159 | vdd = pdata->vdd_uv / 1000; | ||
160 | usl = ((vdd - 700) * 256) / vdd; | ||
161 | lsl = (usl * 65) / 100; | ||
162 | tl = (usl * 90) / 100; | ||
163 | ret = i2c_smbus_write_byte_data(client, AUTO_CONFIG_USL_ADDR, usl); | ||
164 | ret |= i2c_smbus_write_byte_data(client, AUTO_CONFIG_LSL_ADDR, lsl); | ||
165 | ret |= i2c_smbus_write_byte_data(client, AUTO_CONFIG_TL_ADDR, tl); | ||
166 | ret |= i2c_smbus_write_byte_data(client, ELECTRODE_CONF_ADDR, | ||
167 | mpr121->keycount); | ||
168 | if (ret != 0) | ||
169 | goto err_i2c_write; | ||
170 | |||
171 | dev_dbg(&client->dev, "set up with %x keys.\n", mpr121->keycount); | ||
172 | |||
173 | return 0; | ||
174 | |||
175 | err_i2c_write: | ||
176 | dev_err(&client->dev, "i2c write error: %d\n", ret); | ||
177 | return ret; | ||
178 | } | ||
179 | |||
180 | static int __devinit mpr_touchkey_probe(struct i2c_client *client, | ||
181 | const struct i2c_device_id *id) | ||
182 | { | ||
183 | const struct mpr121_platform_data *pdata = client->dev.platform_data; | ||
184 | struct mpr121_touchkey *mpr121; | ||
185 | struct input_dev *input_dev; | ||
186 | int error; | ||
187 | int i; | ||
188 | |||
189 | if (!pdata) { | ||
190 | dev_err(&client->dev, "no platform data defined\n"); | ||
191 | return -EINVAL; | ||
192 | } | ||
193 | |||
194 | if (!pdata->keymap || !pdata->keymap_size) { | ||
195 | dev_err(&client->dev, "missing keymap data\n"); | ||
196 | return -EINVAL; | ||
197 | } | ||
198 | |||
199 | if (pdata->keymap_size > MPR121_MAX_KEY_COUNT) { | ||
200 | dev_err(&client->dev, "too many keys defined\n"); | ||
201 | return -EINVAL; | ||
202 | } | ||
203 | |||
204 | if (!client->irq) { | ||
205 | dev_err(&client->dev, "irq number should not be zero\n"); | ||
206 | return -EINVAL; | ||
207 | } | ||
208 | |||
209 | mpr121 = kzalloc(sizeof(struct mpr121_touchkey), GFP_KERNEL); | ||
210 | input_dev = input_allocate_device(); | ||
211 | if (!mpr121 || !input_dev) { | ||
212 | dev_err(&client->dev, "Failed to allocate memory\n"); | ||
213 | error = -ENOMEM; | ||
214 | goto err_free_mem; | ||
215 | } | ||
216 | |||
217 | mpr121->client = client; | ||
218 | mpr121->input_dev = input_dev; | ||
219 | mpr121->keycount = pdata->keymap_size; | ||
220 | |||
221 | input_dev->name = "Freescale MPR121 Touchkey"; | ||
222 | input_dev->id.bustype = BUS_I2C; | ||
223 | input_dev->dev.parent = &client->dev; | ||
224 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP); | ||
225 | |||
226 | input_dev->keycode = mpr121->keycodes; | ||
227 | input_dev->keycodesize = sizeof(mpr121->keycodes[0]); | ||
228 | input_dev->keycodemax = mpr121->keycount; | ||
229 | |||
230 | for (i = 0; i < pdata->keymap_size; i++) { | ||
231 | input_set_capability(input_dev, EV_KEY, pdata->keymap[i]); | ||
232 | mpr121->keycodes[i] = pdata->keymap[i]; | ||
233 | } | ||
234 | |||
235 | error = mpr121_phys_init(pdata, mpr121, client); | ||
236 | if (error) { | ||
237 | dev_err(&client->dev, "Failed to init register\n"); | ||
238 | goto err_free_mem; | ||
239 | } | ||
240 | |||
241 | error = request_threaded_irq(client->irq, NULL, | ||
242 | mpr_touchkey_interrupt, | ||
243 | IRQF_TRIGGER_FALLING, | ||
244 | client->dev.driver->name, mpr121); | ||
245 | if (error) { | ||
246 | dev_err(&client->dev, "Failed to register interrupt\n"); | ||
247 | goto err_free_mem; | ||
248 | } | ||
249 | |||
250 | error = input_register_device(input_dev); | ||
251 | if (error) | ||
252 | goto err_free_irq; | ||
253 | |||
254 | i2c_set_clientdata(client, mpr121); | ||
255 | device_init_wakeup(&client->dev, pdata->wakeup); | ||
256 | |||
257 | return 0; | ||
258 | |||
259 | err_free_irq: | ||
260 | free_irq(client->irq, mpr121); | ||
261 | err_free_mem: | ||
262 | input_free_device(input_dev); | ||
263 | kfree(mpr121); | ||
264 | return error; | ||
265 | } | ||
266 | |||
267 | static int __devexit mpr_touchkey_remove(struct i2c_client *client) | ||
268 | { | ||
269 | struct mpr121_touchkey *mpr121 = i2c_get_clientdata(client); | ||
270 | |||
271 | free_irq(client->irq, mpr121); | ||
272 | input_unregister_device(mpr121->input_dev); | ||
273 | kfree(mpr121); | ||
274 | |||
275 | return 0; | ||
276 | } | ||
277 | |||
278 | #ifdef CONFIG_PM_SLEEP | ||
279 | static int mpr_suspend(struct device *dev) | ||
280 | { | ||
281 | struct i2c_client *client = to_i2c_client(dev); | ||
282 | |||
283 | if (device_may_wakeup(&client->dev)) | ||
284 | enable_irq_wake(client->irq); | ||
285 | |||
286 | i2c_smbus_write_byte_data(client, ELECTRODE_CONF_ADDR, 0x00); | ||
287 | |||
288 | return 0; | ||
289 | } | ||
290 | |||
291 | static int mpr_resume(struct device *dev) | ||
292 | { | ||
293 | struct i2c_client *client = to_i2c_client(dev); | ||
294 | struct mpr121_touchkey *mpr121 = i2c_get_clientdata(client); | ||
295 | |||
296 | if (device_may_wakeup(&client->dev)) | ||
297 | disable_irq_wake(client->irq); | ||
298 | |||
299 | i2c_smbus_write_byte_data(client, ELECTRODE_CONF_ADDR, | ||
300 | mpr121->keycount); | ||
301 | |||
302 | return 0; | ||
303 | } | ||
304 | #endif | ||
305 | |||
306 | static SIMPLE_DEV_PM_OPS(mpr121_touchkey_pm_ops, mpr_suspend, mpr_resume); | ||
307 | |||
308 | static const struct i2c_device_id mpr121_id[] = { | ||
309 | { "mpr121_touchkey", 0 }, | ||
310 | { } | ||
311 | }; | ||
312 | MODULE_DEVICE_TABLE(i2c, mpr121_id); | ||
313 | |||
314 | static struct i2c_driver mpr_touchkey_driver = { | ||
315 | .driver = { | ||
316 | .name = "mpr121", | ||
317 | .owner = THIS_MODULE, | ||
318 | .pm = &mpr121_touchkey_pm_ops, | ||
319 | }, | ||
320 | .id_table = mpr121_id, | ||
321 | .probe = mpr_touchkey_probe, | ||
322 | .remove = __devexit_p(mpr_touchkey_remove), | ||
323 | }; | ||
324 | |||
325 | static int __init mpr_touchkey_init(void) | ||
326 | { | ||
327 | return i2c_add_driver(&mpr_touchkey_driver); | ||
328 | } | ||
329 | module_init(mpr_touchkey_init); | ||
330 | |||
331 | static void __exit mpr_touchkey_exit(void) | ||
332 | { | ||
333 | i2c_del_driver(&mpr_touchkey_driver); | ||
334 | } | ||
335 | module_exit(mpr_touchkey_exit); | ||
336 | |||
337 | MODULE_LICENSE("GPL"); | ||
338 | MODULE_AUTHOR("Zhang Jiejing <jiejing.zhang@freescale.com>"); | ||
339 | MODULE_DESCRIPTION("Touch Key driver for Freescale MPR121 Chip"); | ||
diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c index 0e2a19cb43d8..f23a743817db 100644 --- a/drivers/input/keyboard/omap-keypad.c +++ b/drivers/input/keyboard/omap-keypad.c | |||
@@ -413,7 +413,7 @@ static int __devinit omap_kp_probe(struct platform_device *pdev) | |||
413 | return 0; | 413 | return 0; |
414 | err5: | 414 | err5: |
415 | for (i = irq_idx - 1; i >=0; i--) | 415 | for (i = irq_idx - 1; i >=0; i--) |
416 | free_irq(row_gpios[i], NULL); | 416 | free_irq(row_gpios[i], omap_kp); |
417 | err4: | 417 | err4: |
418 | input_unregister_device(omap_kp->input); | 418 | input_unregister_device(omap_kp->input); |
419 | input_dev = NULL; | 419 | input_dev = NULL; |
@@ -444,11 +444,11 @@ static int __devexit omap_kp_remove(struct platform_device *pdev) | |||
444 | gpio_free(col_gpios[i]); | 444 | gpio_free(col_gpios[i]); |
445 | for (i = 0; i < omap_kp->rows; i++) { | 445 | for (i = 0; i < omap_kp->rows; i++) { |
446 | gpio_free(row_gpios[i]); | 446 | gpio_free(row_gpios[i]); |
447 | free_irq(gpio_to_irq(row_gpios[i]), NULL); | 447 | free_irq(gpio_to_irq(row_gpios[i]), omap_kp); |
448 | } | 448 | } |
449 | } else { | 449 | } else { |
450 | omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT); | 450 | omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT); |
451 | free_irq(omap_kp->irq, NULL); | 451 | free_irq(omap_kp->irq, omap_kp); |
452 | } | 452 | } |
453 | 453 | ||
454 | del_timer_sync(&omap_kp->timer); | 454 | del_timer_sync(&omap_kp->timer); |
diff --git a/drivers/input/keyboard/qt1070.c b/drivers/input/keyboard/qt1070.c index fba8404c7297..ca7b89196ab7 100644 --- a/drivers/input/keyboard/qt1070.c +++ b/drivers/input/keyboard/qt1070.c | |||
@@ -248,6 +248,7 @@ static const struct i2c_device_id qt1070_id[] = { | |||
248 | { "qt1070", 0 }, | 248 | { "qt1070", 0 }, |
249 | { }, | 249 | { }, |
250 | }; | 250 | }; |
251 | MODULE_DEVICE_TABLE(i2c, qt1070_id); | ||
251 | 252 | ||
252 | static struct i2c_driver qt1070_driver = { | 253 | static struct i2c_driver qt1070_driver = { |
253 | .driver = { | 254 | .driver = { |
diff --git a/drivers/input/keyboard/sh_keysc.c b/drivers/input/keyboard/sh_keysc.c index d7dafd9425b6..834cf98e7efb 100644 --- a/drivers/input/keyboard/sh_keysc.c +++ b/drivers/input/keyboard/sh_keysc.c | |||
@@ -20,7 +20,7 @@ | |||
20 | #include <linux/input.h> | 20 | #include <linux/input.h> |
21 | #include <linux/input/sh_keysc.h> | 21 | #include <linux/input/sh_keysc.h> |
22 | #include <linux/bitmap.h> | 22 | #include <linux/bitmap.h> |
23 | #include <linux/clk.h> | 23 | #include <linux/pm_runtime.h> |
24 | #include <linux/io.h> | 24 | #include <linux/io.h> |
25 | #include <linux/slab.h> | 25 | #include <linux/slab.h> |
26 | 26 | ||
@@ -37,7 +37,6 @@ static const struct { | |||
37 | 37 | ||
38 | struct sh_keysc_priv { | 38 | struct sh_keysc_priv { |
39 | void __iomem *iomem_base; | 39 | void __iomem *iomem_base; |
40 | struct clk *clk; | ||
41 | DECLARE_BITMAP(last_keys, SH_KEYSC_MAXKEYS); | 40 | DECLARE_BITMAP(last_keys, SH_KEYSC_MAXKEYS); |
42 | struct input_dev *input; | 41 | struct input_dev *input; |
43 | struct sh_keysc_info pdata; | 42 | struct sh_keysc_info pdata; |
@@ -169,7 +168,6 @@ static int __devinit sh_keysc_probe(struct platform_device *pdev) | |||
169 | struct sh_keysc_info *pdata; | 168 | struct sh_keysc_info *pdata; |
170 | struct resource *res; | 169 | struct resource *res; |
171 | struct input_dev *input; | 170 | struct input_dev *input; |
172 | char clk_name[8]; | ||
173 | int i; | 171 | int i; |
174 | int irq, error; | 172 | int irq, error; |
175 | 173 | ||
@@ -210,19 +208,11 @@ static int __devinit sh_keysc_probe(struct platform_device *pdev) | |||
210 | goto err1; | 208 | goto err1; |
211 | } | 209 | } |
212 | 210 | ||
213 | snprintf(clk_name, sizeof(clk_name), "keysc%d", pdev->id); | ||
214 | priv->clk = clk_get(&pdev->dev, clk_name); | ||
215 | if (IS_ERR(priv->clk)) { | ||
216 | dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name); | ||
217 | error = PTR_ERR(priv->clk); | ||
218 | goto err2; | ||
219 | } | ||
220 | |||
221 | priv->input = input_allocate_device(); | 211 | priv->input = input_allocate_device(); |
222 | if (!priv->input) { | 212 | if (!priv->input) { |
223 | dev_err(&pdev->dev, "failed to allocate input device\n"); | 213 | dev_err(&pdev->dev, "failed to allocate input device\n"); |
224 | error = -ENOMEM; | 214 | error = -ENOMEM; |
225 | goto err3; | 215 | goto err2; |
226 | } | 216 | } |
227 | 217 | ||
228 | input = priv->input; | 218 | input = priv->input; |
@@ -241,10 +231,11 @@ static int __devinit sh_keysc_probe(struct platform_device *pdev) | |||
241 | input->keycodesize = sizeof(pdata->keycodes[0]); | 231 | input->keycodesize = sizeof(pdata->keycodes[0]); |
242 | input->keycodemax = ARRAY_SIZE(pdata->keycodes); | 232 | input->keycodemax = ARRAY_SIZE(pdata->keycodes); |
243 | 233 | ||
244 | error = request_irq(irq, sh_keysc_isr, 0, pdev->name, pdev); | 234 | error = request_threaded_irq(irq, NULL, sh_keysc_isr, IRQF_ONESHOT, |
235 | dev_name(&pdev->dev), pdev); | ||
245 | if (error) { | 236 | if (error) { |
246 | dev_err(&pdev->dev, "failed to request IRQ\n"); | 237 | dev_err(&pdev->dev, "failed to request IRQ\n"); |
247 | goto err4; | 238 | goto err3; |
248 | } | 239 | } |
249 | 240 | ||
250 | for (i = 0; i < SH_KEYSC_MAXKEYS; i++) | 241 | for (i = 0; i < SH_KEYSC_MAXKEYS; i++) |
@@ -254,10 +245,11 @@ static int __devinit sh_keysc_probe(struct platform_device *pdev) | |||
254 | error = input_register_device(input); | 245 | error = input_register_device(input); |
255 | if (error) { | 246 | if (error) { |
256 | dev_err(&pdev->dev, "failed to register input device\n"); | 247 | dev_err(&pdev->dev, "failed to register input device\n"); |
257 | goto err5; | 248 | goto err4; |
258 | } | 249 | } |
259 | 250 | ||
260 | clk_enable(priv->clk); | 251 | pm_runtime_enable(&pdev->dev); |
252 | pm_runtime_get_sync(&pdev->dev); | ||
261 | 253 | ||
262 | sh_keysc_write(priv, KYCR1, (sh_keysc_mode[pdata->mode].kymd << 8) | | 254 | sh_keysc_write(priv, KYCR1, (sh_keysc_mode[pdata->mode].kymd << 8) | |
263 | pdata->scan_timing); | 255 | pdata->scan_timing); |
@@ -267,12 +259,10 @@ static int __devinit sh_keysc_probe(struct platform_device *pdev) | |||
267 | 259 | ||
268 | return 0; | 260 | return 0; |
269 | 261 | ||
270 | err5: | ||
271 | free_irq(irq, pdev); | ||
272 | err4: | 262 | err4: |
273 | input_free_device(input); | 263 | free_irq(irq, pdev); |
274 | err3: | 264 | err3: |
275 | clk_put(priv->clk); | 265 | input_free_device(input); |
276 | err2: | 266 | err2: |
277 | iounmap(priv->iomem_base); | 267 | iounmap(priv->iomem_base); |
278 | err1: | 268 | err1: |
@@ -292,8 +282,8 @@ static int __devexit sh_keysc_remove(struct platform_device *pdev) | |||
292 | free_irq(platform_get_irq(pdev, 0), pdev); | 282 | free_irq(platform_get_irq(pdev, 0), pdev); |
293 | iounmap(priv->iomem_base); | 283 | iounmap(priv->iomem_base); |
294 | 284 | ||
295 | clk_disable(priv->clk); | 285 | pm_runtime_put_sync(&pdev->dev); |
296 | clk_put(priv->clk); | 286 | pm_runtime_disable(&pdev->dev); |
297 | 287 | ||
298 | platform_set_drvdata(pdev, NULL); | 288 | platform_set_drvdata(pdev, NULL); |
299 | kfree(priv); | 289 | kfree(priv); |
@@ -301,6 +291,7 @@ static int __devexit sh_keysc_remove(struct platform_device *pdev) | |||
301 | return 0; | 291 | return 0; |
302 | } | 292 | } |
303 | 293 | ||
294 | #if CONFIG_PM_SLEEP | ||
304 | static int sh_keysc_suspend(struct device *dev) | 295 | static int sh_keysc_suspend(struct device *dev) |
305 | { | 296 | { |
306 | struct platform_device *pdev = to_platform_device(dev); | 297 | struct platform_device *pdev = to_platform_device(dev); |
@@ -311,14 +302,13 @@ static int sh_keysc_suspend(struct device *dev) | |||
311 | value = sh_keysc_read(priv, KYCR1); | 302 | value = sh_keysc_read(priv, KYCR1); |
312 | 303 | ||
313 | if (device_may_wakeup(dev)) { | 304 | if (device_may_wakeup(dev)) { |
314 | value |= 0x80; | 305 | sh_keysc_write(priv, KYCR1, value | 0x80); |
315 | enable_irq_wake(irq); | 306 | enable_irq_wake(irq); |
316 | } else { | 307 | } else { |
317 | value &= ~0x80; | 308 | sh_keysc_write(priv, KYCR1, value & ~0x80); |
309 | pm_runtime_put_sync(dev); | ||
318 | } | 310 | } |
319 | 311 | ||
320 | sh_keysc_write(priv, KYCR1, value); | ||
321 | |||
322 | return 0; | 312 | return 0; |
323 | } | 313 | } |
324 | 314 | ||
@@ -329,16 +319,17 @@ static int sh_keysc_resume(struct device *dev) | |||
329 | 319 | ||
330 | if (device_may_wakeup(dev)) | 320 | if (device_may_wakeup(dev)) |
331 | disable_irq_wake(irq); | 321 | disable_irq_wake(irq); |
322 | else | ||
323 | pm_runtime_get_sync(dev); | ||
332 | 324 | ||
333 | return 0; | 325 | return 0; |
334 | } | 326 | } |
327 | #endif | ||
335 | 328 | ||
336 | static const struct dev_pm_ops sh_keysc_dev_pm_ops = { | 329 | static SIMPLE_DEV_PM_OPS(sh_keysc_dev_pm_ops, |
337 | .suspend = sh_keysc_suspend, | 330 | sh_keysc_suspend, sh_keysc_resume); |
338 | .resume = sh_keysc_resume, | ||
339 | }; | ||
340 | 331 | ||
341 | struct platform_driver sh_keysc_device_driver = { | 332 | static struct platform_driver sh_keysc_device_driver = { |
342 | .probe = sh_keysc_probe, | 333 | .probe = sh_keysc_probe, |
343 | .remove = __devexit_p(sh_keysc_remove), | 334 | .remove = __devexit_p(sh_keysc_remove), |
344 | .driver = { | 335 | .driver = { |
diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c index 99ce9032d08c..2b3b73ec6689 100644 --- a/drivers/input/keyboard/tegra-kbc.c +++ b/drivers/input/keyboard/tegra-kbc.c | |||
@@ -66,12 +66,11 @@ struct tegra_kbc { | |||
66 | void __iomem *mmio; | 66 | void __iomem *mmio; |
67 | struct input_dev *idev; | 67 | struct input_dev *idev; |
68 | unsigned int irq; | 68 | unsigned int irq; |
69 | unsigned int wake_enable_rows; | ||
70 | unsigned int wake_enable_cols; | ||
71 | spinlock_t lock; | 69 | spinlock_t lock; |
72 | unsigned int repoll_dly; | 70 | unsigned int repoll_dly; |
73 | unsigned long cp_dly_jiffies; | 71 | unsigned long cp_dly_jiffies; |
74 | bool use_fn_map; | 72 | bool use_fn_map; |
73 | bool use_ghost_filter; | ||
75 | const struct tegra_kbc_platform_data *pdata; | 74 | const struct tegra_kbc_platform_data *pdata; |
76 | unsigned short keycode[KBC_MAX_KEY * 2]; | 75 | unsigned short keycode[KBC_MAX_KEY * 2]; |
77 | unsigned short current_keys[KBC_MAX_KPENT]; | 76 | unsigned short current_keys[KBC_MAX_KPENT]; |
@@ -260,6 +259,8 @@ static void tegra_kbc_report_keys(struct tegra_kbc *kbc) | |||
260 | unsigned int num_down = 0; | 259 | unsigned int num_down = 0; |
261 | unsigned long flags; | 260 | unsigned long flags; |
262 | bool fn_keypress = false; | 261 | bool fn_keypress = false; |
262 | bool key_in_same_row = false; | ||
263 | bool key_in_same_col = false; | ||
263 | 264 | ||
264 | spin_lock_irqsave(&kbc->lock, flags); | 265 | spin_lock_irqsave(&kbc->lock, flags); |
265 | for (i = 0; i < KBC_MAX_KPENT; i++) { | 266 | for (i = 0; i < KBC_MAX_KPENT; i++) { |
@@ -285,6 +286,34 @@ static void tegra_kbc_report_keys(struct tegra_kbc *kbc) | |||
285 | } | 286 | } |
286 | 287 | ||
287 | /* | 288 | /* |
289 | * Matrix keyboard designs are prone to keyboard ghosting. | ||
290 | * Ghosting occurs if there are 3 keys such that - | ||
291 | * any 2 of the 3 keys share a row, and any 2 of them share a column. | ||
292 | * If so ignore the key presses for this iteration. | ||
293 | */ | ||
294 | if ((kbc->use_ghost_filter) && (num_down >= 3)) { | ||
295 | for (i = 0; i < num_down; i++) { | ||
296 | unsigned int j; | ||
297 | u8 curr_col = scancodes[i] & 0x07; | ||
298 | u8 curr_row = scancodes[i] >> KBC_ROW_SHIFT; | ||
299 | |||
300 | /* | ||
301 | * Find 2 keys such that one key is in the same row | ||
302 | * and the other is in the same column as the i-th key. | ||
303 | */ | ||
304 | for (j = i + 1; j < num_down; j++) { | ||
305 | u8 col = scancodes[j] & 0x07; | ||
306 | u8 row = scancodes[j] >> KBC_ROW_SHIFT; | ||
307 | |||
308 | if (col == curr_col) | ||
309 | key_in_same_col = true; | ||
310 | if (row == curr_row) | ||
311 | key_in_same_row = true; | ||
312 | } | ||
313 | } | ||
314 | } | ||
315 | |||
316 | /* | ||
288 | * If the platform uses Fn keymaps, translate keys on a Fn keypress. | 317 | * If the platform uses Fn keymaps, translate keys on a Fn keypress. |
289 | * Function keycodes are KBC_MAX_KEY apart from the plain keycodes. | 318 | * Function keycodes are KBC_MAX_KEY apart from the plain keycodes. |
290 | */ | 319 | */ |
@@ -297,6 +326,10 @@ static void tegra_kbc_report_keys(struct tegra_kbc *kbc) | |||
297 | 326 | ||
298 | spin_unlock_irqrestore(&kbc->lock, flags); | 327 | spin_unlock_irqrestore(&kbc->lock, flags); |
299 | 328 | ||
329 | /* Ignore the key presses for this iteration? */ | ||
330 | if (key_in_same_col && key_in_same_row) | ||
331 | return; | ||
332 | |||
300 | tegra_kbc_report_released_keys(kbc->idev, | 333 | tegra_kbc_report_released_keys(kbc->idev, |
301 | kbc->current_keys, kbc->num_pressed_keys, | 334 | kbc->current_keys, kbc->num_pressed_keys, |
302 | keycodes, num_down); | 335 | keycodes, num_down); |
@@ -383,21 +416,11 @@ static void tegra_kbc_setup_wakekeys(struct tegra_kbc *kbc, bool filter) | |||
383 | int i; | 416 | int i; |
384 | unsigned int rst_val; | 417 | unsigned int rst_val; |
385 | 418 | ||
386 | BUG_ON(pdata->wake_cnt > KBC_MAX_KEY); | 419 | /* Either mask all keys or none. */ |
387 | rst_val = (filter && pdata->wake_cnt) ? ~0 : 0; | 420 | rst_val = (filter && !pdata->wakeup) ? ~0 : 0; |
388 | 421 | ||
389 | for (i = 0; i < KBC_MAX_ROW; i++) | 422 | for (i = 0; i < KBC_MAX_ROW; i++) |
390 | writel(rst_val, kbc->mmio + KBC_ROW0_MASK_0 + i * 4); | 423 | 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 | } | 424 | } |
402 | 425 | ||
403 | static void tegra_kbc_config_pins(struct tegra_kbc *kbc) | 426 | static void tegra_kbc_config_pins(struct tegra_kbc *kbc) |
@@ -559,7 +582,6 @@ static int __devinit tegra_kbc_probe(struct platform_device *pdev) | |||
559 | struct resource *res; | 582 | struct resource *res; |
560 | int irq; | 583 | int irq; |
561 | int err; | 584 | int err; |
562 | int i; | ||
563 | int num_rows = 0; | 585 | int num_rows = 0; |
564 | unsigned int debounce_cnt; | 586 | unsigned int debounce_cnt; |
565 | unsigned int scan_time_rows; | 587 | unsigned int scan_time_rows; |
@@ -616,13 +638,6 @@ static int __devinit tegra_kbc_probe(struct platform_device *pdev) | |||
616 | goto err_iounmap; | 638 | goto err_iounmap; |
617 | } | 639 | } |
618 | 640 | ||
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 | /* | 641 | /* |
627 | * The time delay between two consecutive reads of the FIFO is | 642 | * The time delay between two consecutive reads of the FIFO is |
628 | * the sum of the repeat time and the time taken for scanning | 643 | * the sum of the repeat time and the time taken for scanning |
@@ -652,6 +667,7 @@ static int __devinit tegra_kbc_probe(struct platform_device *pdev) | |||
652 | input_dev->keycodemax *= 2; | 667 | input_dev->keycodemax *= 2; |
653 | 668 | ||
654 | kbc->use_fn_map = pdata->use_fn_map; | 669 | kbc->use_fn_map = pdata->use_fn_map; |
670 | kbc->use_ghost_filter = pdata->use_ghost_filter; | ||
655 | keymap_data = pdata->keymap_data ?: &tegra_kbc_default_keymap_data; | 671 | keymap_data = pdata->keymap_data ?: &tegra_kbc_default_keymap_data; |
656 | matrix_keypad_build_keymap(keymap_data, KBC_ROW_SHIFT, | 672 | matrix_keypad_build_keymap(keymap_data, KBC_ROW_SHIFT, |
657 | input_dev->keycode, input_dev->keybit); | 673 | input_dev->keycode, input_dev->keybit); |