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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2011-03-19 02:38:50 -0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2011-03-19 02:38:50 -0400
commit97eb3f24352ec6632c2127b35d8087d2a809a9b9 (patch)
tree722948059bbd325bbca232269490124231df80d4 /drivers/input/keyboard
parent439581ec07fa9cf3f519dd461a2cf41cfd3adcb4 (diff)
parentdef179c271ac9b5020deca798470521f14d11edd (diff)
Merge branch 'next' into for-linus
Diffstat (limited to 'drivers/input/keyboard')
-rw-r--r--drivers/input/keyboard/Kconfig24
-rw-r--r--drivers/input/keyboard/Makefile2
-rw-r--r--drivers/input/keyboard/lm8323.c15
-rw-r--r--drivers/input/keyboard/max7359_keypad.c17
-rw-r--r--drivers/input/keyboard/mcs_touchkey.c57
-rw-r--r--drivers/input/keyboard/omap-keypad.c41
-rw-r--r--drivers/input/keyboard/omap4-keypad.c74
-rw-r--r--drivers/input/keyboard/qt1070.c276
-rw-r--r--drivers/input/keyboard/tc3589x-keypad.c472
-rw-r--r--drivers/input/keyboard/tca6416-keypad.c28
10 files changed, 948 insertions, 58 deletions
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index b7dca74eb9be..b16bed038f72 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -2,7 +2,7 @@
2# Input core configuration 2# Input core configuration
3# 3#
4menuconfig INPUT_KEYBOARD 4menuconfig INPUT_KEYBOARD
5 bool "Keyboards" if EMBEDDED || !X86 5 bool "Keyboards" if EXPERT || !X86
6 default y 6 default y
7 help 7 help
8 Say Y here, and a list of supported keyboards will be displayed. 8 Say Y here, and a list of supported keyboards will be displayed.
@@ -57,7 +57,7 @@ config KEYBOARD_ATARI
57 module will be called atakbd. 57 module will be called atakbd.
58 58
59config KEYBOARD_ATKBD 59config KEYBOARD_ATKBD
60 tristate "AT keyboard" if EMBEDDED || !X86 60 tristate "AT keyboard" if EXPERT || !X86
61 default y 61 default y
62 select SERIO 62 select SERIO
63 select SERIO_LIBPS2 63 select SERIO_LIBPS2
@@ -112,6 +112,16 @@ config KEYBOARD_ATKBD_RDI_KEYCODES
112 right-hand column will be interpreted as the key shown in the 112 right-hand column will be interpreted as the key shown in the
113 left-hand column. 113 left-hand column.
114 114
115config KEYBOARD_QT1070
116 tristate "Atmel AT42QT1070 Touch Sensor Chip"
117 depends on I2C
118 help
119 Say Y here if you want to use Atmel AT42QT1070 QTouch
120 Sensor chip as input device.
121
122 To compile this driver as a module, choose M here:
123 the module will be called qt1070
124
115config KEYBOARD_QT2160 125config KEYBOARD_QT2160
116 tristate "Atmel AT42QT2160 Touch Sensor Chip" 126 tristate "Atmel AT42QT2160 Touch Sensor Chip"
117 depends on I2C && EXPERIMENTAL 127 depends on I2C && EXPERIMENTAL
@@ -468,6 +478,16 @@ config KEYBOARD_SPEAR
468 To compile this driver as a module, choose M here: the 478 To compile this driver as a module, choose M here: the
469 module will be called spear-keboard. 479 module will be called spear-keboard.
470 480
481config KEYBOARD_TC3589X
482 tristate "TC3589X Keypad support"
483 depends on MFD_TC3589X
484 help
485 Say Y here if you want to use the keypad controller on
486 TC35892/3 I/O expander.
487
488 To compile this driver as a module, choose M here: the
489 module will be called tc3589x-keypad.
490
471config KEYBOARD_TNETV107X 491config KEYBOARD_TNETV107X
472 tristate "TI TNETV107X keypad support" 492 tristate "TI TNETV107X keypad support"
473 depends on ARCH_DAVINCI_TNETV107X 493 depends on ARCH_DAVINCI_TNETV107X
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index 3456b931e254..878e6c20deb0 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -34,6 +34,7 @@ obj-$(CONFIG_KEYBOARD_OMAP4) += omap4-keypad.o
34obj-$(CONFIG_KEYBOARD_OPENCORES) += opencores-kbd.o 34obj-$(CONFIG_KEYBOARD_OPENCORES) += opencores-kbd.o
35obj-$(CONFIG_KEYBOARD_PXA27x) += pxa27x_keypad.o 35obj-$(CONFIG_KEYBOARD_PXA27x) += pxa27x_keypad.o
36obj-$(CONFIG_KEYBOARD_PXA930_ROTARY) += pxa930_rotary.o 36obj-$(CONFIG_KEYBOARD_PXA930_ROTARY) += pxa930_rotary.o
37obj-$(CONFIG_KEYBOARD_QT1070) += qt1070.o
37obj-$(CONFIG_KEYBOARD_QT2160) += qt2160.o 38obj-$(CONFIG_KEYBOARD_QT2160) += qt2160.o
38obj-$(CONFIG_KEYBOARD_SAMSUNG) += samsung-keypad.o 39obj-$(CONFIG_KEYBOARD_SAMSUNG) += samsung-keypad.o
39obj-$(CONFIG_KEYBOARD_SH_KEYSC) += sh_keysc.o 40obj-$(CONFIG_KEYBOARD_SH_KEYSC) += sh_keysc.o
@@ -41,6 +42,7 @@ obj-$(CONFIG_KEYBOARD_SPEAR) += spear-keyboard.o
41obj-$(CONFIG_KEYBOARD_STMPE) += stmpe-keypad.o 42obj-$(CONFIG_KEYBOARD_STMPE) += stmpe-keypad.o
42obj-$(CONFIG_KEYBOARD_STOWAWAY) += stowaway.o 43obj-$(CONFIG_KEYBOARD_STOWAWAY) += stowaway.o
43obj-$(CONFIG_KEYBOARD_SUNKBD) += sunkbd.o 44obj-$(CONFIG_KEYBOARD_SUNKBD) += sunkbd.o
45obj-$(CONFIG_KEYBOARD_TC3589X) += tc3589x-keypad.o
44obj-$(CONFIG_KEYBOARD_TEGRA) += tegra-kbc.o 46obj-$(CONFIG_KEYBOARD_TEGRA) += tegra-kbc.o
45obj-$(CONFIG_KEYBOARD_TNETV107X) += tnetv107x-keypad.o 47obj-$(CONFIG_KEYBOARD_TNETV107X) += tnetv107x-keypad.o
46obj-$(CONFIG_KEYBOARD_TWL4030) += twl4030_keypad.o 48obj-$(CONFIG_KEYBOARD_TWL4030) += twl4030_keypad.o
diff --git a/drivers/input/keyboard/lm8323.c b/drivers/input/keyboard/lm8323.c
index f7c2a166576b..b732870ecc89 100644
--- a/drivers/input/keyboard/lm8323.c
+++ b/drivers/input/keyboard/lm8323.c
@@ -30,6 +30,7 @@
30#include <linux/delay.h> 30#include <linux/delay.h>
31#include <linux/input.h> 31#include <linux/input.h>
32#include <linux/leds.h> 32#include <linux/leds.h>
33#include <linux/pm.h>
33#include <linux/i2c/lm8323.h> 34#include <linux/i2c/lm8323.h>
34#include <linux/slab.h> 35#include <linux/slab.h>
35 36
@@ -802,8 +803,9 @@ static int __devexit lm8323_remove(struct i2c_client *client)
802 * We don't need to explicitly suspend the chip, as it already switches off 803 * We don't need to explicitly suspend the chip, as it already switches off
803 * when there's no activity. 804 * when there's no activity.
804 */ 805 */
805static int lm8323_suspend(struct i2c_client *client, pm_message_t mesg) 806static int lm8323_suspend(struct device *dev)
806{ 807{
808 struct i2c_client *client = to_i2c_client(dev);
807 struct lm8323_chip *lm = i2c_get_clientdata(client); 809 struct lm8323_chip *lm = i2c_get_clientdata(client);
808 int i; 810 int i;
809 811
@@ -821,8 +823,9 @@ static int lm8323_suspend(struct i2c_client *client, pm_message_t mesg)
821 return 0; 823 return 0;
822} 824}
823 825
824static int lm8323_resume(struct i2c_client *client) 826static int lm8323_resume(struct device *dev)
825{ 827{
828 struct i2c_client *client = to_i2c_client(dev);
826 struct lm8323_chip *lm = i2c_get_clientdata(client); 829 struct lm8323_chip *lm = i2c_get_clientdata(client);
827 int i; 830 int i;
828 831
@@ -839,11 +842,10 @@ static int lm8323_resume(struct i2c_client *client)
839 842
840 return 0; 843 return 0;
841} 844}
842#else
843#define lm8323_suspend NULL
844#define lm8323_resume NULL
845#endif 845#endif
846 846
847static SIMPLE_DEV_PM_OPS(lm8323_pm_ops, lm8323_suspend, lm8323_resume);
848
847static const struct i2c_device_id lm8323_id[] = { 849static const struct i2c_device_id lm8323_id[] = {
848 { "lm8323", 0 }, 850 { "lm8323", 0 },
849 { } 851 { }
@@ -852,11 +854,10 @@ static const struct i2c_device_id lm8323_id[] = {
852static struct i2c_driver lm8323_i2c_driver = { 854static struct i2c_driver lm8323_i2c_driver = {
853 .driver = { 855 .driver = {
854 .name = "lm8323", 856 .name = "lm8323",
857 .pm = &lm8323_pm_ops,
855 }, 858 },
856 .probe = lm8323_probe, 859 .probe = lm8323_probe,
857 .remove = __devexit_p(lm8323_remove), 860 .remove = __devexit_p(lm8323_remove),
858 .suspend = lm8323_suspend,
859 .resume = lm8323_resume,
860 .id_table = lm8323_id, 861 .id_table = lm8323_id,
861}; 862};
862MODULE_DEVICE_TABLE(i2c, lm8323_id); 863MODULE_DEVICE_TABLE(i2c, lm8323_id);
diff --git a/drivers/input/keyboard/max7359_keypad.c b/drivers/input/keyboard/max7359_keypad.c
index 9091ff5ea808..5afe35ad24d3 100644
--- a/drivers/input/keyboard/max7359_keypad.c
+++ b/drivers/input/keyboard/max7359_keypad.c
@@ -17,6 +17,7 @@
17#include <linux/i2c.h> 17#include <linux/i2c.h>
18#include <linux/slab.h> 18#include <linux/slab.h>
19#include <linux/interrupt.h> 19#include <linux/interrupt.h>
20#include <linux/pm.h>
20#include <linux/input.h> 21#include <linux/input.h>
21#include <linux/input/matrix_keypad.h> 22#include <linux/input/matrix_keypad.h>
22 23
@@ -271,8 +272,10 @@ static int __devexit max7359_remove(struct i2c_client *client)
271} 272}
272 273
273#ifdef CONFIG_PM 274#ifdef CONFIG_PM
274static int max7359_suspend(struct i2c_client *client, pm_message_t mesg) 275static int max7359_suspend(struct device *dev)
275{ 276{
277 struct i2c_client *client = to_i2c_client(dev);
278
276 max7359_fall_deepsleep(client); 279 max7359_fall_deepsleep(client);
277 280
278 if (device_may_wakeup(&client->dev)) 281 if (device_may_wakeup(&client->dev))
@@ -281,8 +284,10 @@ static int max7359_suspend(struct i2c_client *client, pm_message_t mesg)
281 return 0; 284 return 0;
282} 285}
283 286
284static int max7359_resume(struct i2c_client *client) 287static int max7359_resume(struct device *dev)
285{ 288{
289 struct i2c_client *client = to_i2c_client(dev);
290
286 if (device_may_wakeup(&client->dev)) 291 if (device_may_wakeup(&client->dev))
287 disable_irq_wake(client->irq); 292 disable_irq_wake(client->irq);
288 293
@@ -291,11 +296,10 @@ static int max7359_resume(struct i2c_client *client)
291 296
292 return 0; 297 return 0;
293} 298}
294#else
295#define max7359_suspend NULL
296#define max7359_resume NULL
297#endif 299#endif
298 300
301static SIMPLE_DEV_PM_OPS(max7359_pm, max7359_suspend, max7359_resume);
302
299static const struct i2c_device_id max7359_ids[] = { 303static const struct i2c_device_id max7359_ids[] = {
300 { "max7359", 0 }, 304 { "max7359", 0 },
301 { } 305 { }
@@ -305,11 +309,10 @@ MODULE_DEVICE_TABLE(i2c, max7359_ids);
305static struct i2c_driver max7359_i2c_driver = { 309static struct i2c_driver max7359_i2c_driver = {
306 .driver = { 310 .driver = {
307 .name = "max7359", 311 .name = "max7359",
312 .pm = &max7359_pm,
308 }, 313 },
309 .probe = max7359_probe, 314 .probe = max7359_probe,
310 .remove = __devexit_p(max7359_remove), 315 .remove = __devexit_p(max7359_remove),
311 .suspend = max7359_suspend,
312 .resume = max7359_resume,
313 .id_table = max7359_ids, 316 .id_table = max7359_ids,
314}; 317};
315 318
diff --git a/drivers/input/keyboard/mcs_touchkey.c b/drivers/input/keyboard/mcs_touchkey.c
index 63b849d7e90b..af1aab324a4c 100644
--- a/drivers/input/keyboard/mcs_touchkey.c
+++ b/drivers/input/keyboard/mcs_touchkey.c
@@ -1,5 +1,5 @@
1/* 1/*
2 * mcs_touchkey.c - Touchkey driver for MELFAS MCS5000/5080 controller 2 * Touchkey driver for MELFAS MCS5000/5080 controller
3 * 3 *
4 * Copyright (C) 2010 Samsung Electronics Co.Ltd 4 * Copyright (C) 2010 Samsung Electronics Co.Ltd
5 * Author: HeungJun Kim <riverful.kim@samsung.com> 5 * Author: HeungJun Kim <riverful.kim@samsung.com>
@@ -19,6 +19,7 @@
19#include <linux/input.h> 19#include <linux/input.h>
20#include <linux/irq.h> 20#include <linux/irq.h>
21#include <linux/slab.h> 21#include <linux/slab.h>
22#include <linux/pm.h>
22 23
23/* MCS5000 Touchkey */ 24/* MCS5000 Touchkey */
24#define MCS5000_TOUCHKEY_STATUS 0x04 25#define MCS5000_TOUCHKEY_STATUS 0x04
@@ -45,6 +46,8 @@ struct mcs_touchkey_chip {
45}; 46};
46 47
47struct mcs_touchkey_data { 48struct mcs_touchkey_data {
49 void (*poweron)(bool);
50
48 struct i2c_client *client; 51 struct i2c_client *client;
49 struct input_dev *input_dev; 52 struct input_dev *input_dev;
50 struct mcs_touchkey_chip chip; 53 struct mcs_touchkey_chip chip;
@@ -169,6 +172,11 @@ static int __devinit mcs_touchkey_probe(struct i2c_client *client,
169 if (pdata->cfg_pin) 172 if (pdata->cfg_pin)
170 pdata->cfg_pin(); 173 pdata->cfg_pin();
171 174
175 if (pdata->poweron) {
176 data->poweron = pdata->poweron;
177 data->poweron(true);
178 }
179
172 error = request_threaded_irq(client->irq, NULL, mcs_touchkey_interrupt, 180 error = request_threaded_irq(client->irq, NULL, mcs_touchkey_interrupt,
173 IRQF_TRIGGER_FALLING, client->dev.driver->name, data); 181 IRQF_TRIGGER_FALLING, client->dev.driver->name, data);
174 if (error) { 182 if (error) {
@@ -196,12 +204,57 @@ static int __devexit mcs_touchkey_remove(struct i2c_client *client)
196 struct mcs_touchkey_data *data = i2c_get_clientdata(client); 204 struct mcs_touchkey_data *data = i2c_get_clientdata(client);
197 205
198 free_irq(client->irq, data); 206 free_irq(client->irq, data);
207 if (data->poweron)
208 data->poweron(false);
199 input_unregister_device(data->input_dev); 209 input_unregister_device(data->input_dev);
200 kfree(data); 210 kfree(data);
201 211
202 return 0; 212 return 0;
203} 213}
204 214
215static void mcs_touchkey_shutdown(struct i2c_client *client)
216{
217 struct mcs_touchkey_data *data = i2c_get_clientdata(client);
218
219 if (data->poweron)
220 data->poweron(false);
221}
222
223#ifdef CONFIG_PM_SLEEP
224static int mcs_touchkey_suspend(struct device *dev)
225{
226 struct mcs_touchkey_data *data = dev_get_drvdata(dev);
227 struct i2c_client *client = data->client;
228
229 /* Disable the work */
230 disable_irq(client->irq);
231
232 /* Finally turn off the power */
233 if (data->poweron)
234 data->poweron(false);
235
236 return 0;
237}
238
239static int mcs_touchkey_resume(struct device *dev)
240{
241 struct mcs_touchkey_data *data = dev_get_drvdata(dev);
242 struct i2c_client *client = data->client;
243
244 /* Enable the device first */
245 if (data->poweron)
246 data->poweron(true);
247
248 /* Enable irq again */
249 enable_irq(client->irq);
250
251 return 0;
252}
253#endif
254
255static SIMPLE_DEV_PM_OPS(mcs_touchkey_pm_ops,
256 mcs_touchkey_suspend, mcs_touchkey_resume);
257
205static const struct i2c_device_id mcs_touchkey_id[] = { 258static const struct i2c_device_id mcs_touchkey_id[] = {
206 { "mcs5000_touchkey", MCS5000_TOUCHKEY }, 259 { "mcs5000_touchkey", MCS5000_TOUCHKEY },
207 { "mcs5080_touchkey", MCS5080_TOUCHKEY }, 260 { "mcs5080_touchkey", MCS5080_TOUCHKEY },
@@ -213,9 +266,11 @@ static struct i2c_driver mcs_touchkey_driver = {
213 .driver = { 266 .driver = {
214 .name = "mcs_touchkey", 267 .name = "mcs_touchkey",
215 .owner = THIS_MODULE, 268 .owner = THIS_MODULE,
269 .pm = &mcs_touchkey_pm_ops,
216 }, 270 },
217 .probe = mcs_touchkey_probe, 271 .probe = mcs_touchkey_probe,
218 .remove = __devexit_p(mcs_touchkey_remove), 272 .remove = __devexit_p(mcs_touchkey_remove),
273 .shutdown = mcs_touchkey_shutdown,
219 .id_table = mcs_touchkey_id, 274 .id_table = mcs_touchkey_id,
220}; 275};
221 276
diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c
index a72e61ddca91..0e2a19cb43d8 100644
--- a/drivers/input/keyboard/omap-keypad.c
+++ b/drivers/input/keyboard/omap-keypad.c
@@ -65,7 +65,6 @@ struct omap_kp {
65 65
66static DECLARE_TASKLET_DISABLED(kp_tasklet, omap_kp_tasklet, 0); 66static DECLARE_TASKLET_DISABLED(kp_tasklet, omap_kp_tasklet, 0);
67 67
68static int *keymap;
69static unsigned int *row_gpios; 68static unsigned int *row_gpios;
70static unsigned int *col_gpios; 69static unsigned int *col_gpios;
71 70
@@ -162,20 +161,11 @@ static void omap_kp_scan_keypad(struct omap_kp *omap_kp, unsigned char *state)
162 } 161 }
163} 162}
164 163
165static inline int omap_kp_find_key(int col, int row)
166{
167 int i, key;
168
169 key = KEY(col, row, 0);
170 for (i = 0; keymap[i] != 0; i++)
171 if ((keymap[i] & 0xff000000) == key)
172 return keymap[i] & 0x00ffffff;
173 return -1;
174}
175
176static void omap_kp_tasklet(unsigned long data) 164static void omap_kp_tasklet(unsigned long data)
177{ 165{
178 struct omap_kp *omap_kp_data = (struct omap_kp *) data; 166 struct omap_kp *omap_kp_data = (struct omap_kp *) data;
167 unsigned short *keycodes = omap_kp_data->input->keycode;
168 unsigned int row_shift = get_count_order(omap_kp_data->cols);
179 unsigned char new_state[8], changed, key_down = 0; 169 unsigned char new_state[8], changed, key_down = 0;
180 int col, row; 170 int col, row;
181 int spurious = 0; 171 int spurious = 0;
@@ -199,7 +189,7 @@ static void omap_kp_tasklet(unsigned long data)
199 row, (new_state[col] & (1 << row)) ? 189 row, (new_state[col] & (1 << row)) ?
200 "pressed" : "released"); 190 "pressed" : "released");
201#else 191#else
202 key = omap_kp_find_key(col, row); 192 key = keycodes[MATRIX_SCAN_CODE(row, col, row_shift)];
203 if (key < 0) { 193 if (key < 0) {
204 printk(KERN_WARNING 194 printk(KERN_WARNING
205 "omap-keypad: Spurious key event %d-%d\n", 195 "omap-keypad: Spurious key event %d-%d\n",
@@ -298,13 +288,18 @@ static int __devinit omap_kp_probe(struct platform_device *pdev)
298 struct input_dev *input_dev; 288 struct input_dev *input_dev;
299 struct omap_kp_platform_data *pdata = pdev->dev.platform_data; 289 struct omap_kp_platform_data *pdata = pdev->dev.platform_data;
300 int i, col_idx, row_idx, irq_idx, ret; 290 int i, col_idx, row_idx, irq_idx, ret;
291 unsigned int row_shift, keycodemax;
301 292
302 if (!pdata->rows || !pdata->cols || !pdata->keymap) { 293 if (!pdata->rows || !pdata->cols || !pdata->keymap_data) {
303 printk(KERN_ERR "No rows, cols or keymap from pdata\n"); 294 printk(KERN_ERR "No rows, cols or keymap_data from pdata\n");
304 return -EINVAL; 295 return -EINVAL;
305 } 296 }
306 297
307 omap_kp = kzalloc(sizeof(struct omap_kp), GFP_KERNEL); 298 row_shift = get_count_order(pdata->cols);
299 keycodemax = pdata->rows << row_shift;
300
301 omap_kp = kzalloc(sizeof(struct omap_kp) +
302 keycodemax * sizeof(unsigned short), GFP_KERNEL);
308 input_dev = input_allocate_device(); 303 input_dev = input_allocate_device();
309 if (!omap_kp || !input_dev) { 304 if (!omap_kp || !input_dev) {
310 kfree(omap_kp); 305 kfree(omap_kp);
@@ -320,7 +315,9 @@ static int __devinit omap_kp_probe(struct platform_device *pdev)
320 if (!cpu_is_omap24xx()) 315 if (!cpu_is_omap24xx())
321 omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT); 316 omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
322 317
323 keymap = pdata->keymap; 318 input_dev->keycode = &omap_kp[1];
319 input_dev->keycodesize = sizeof(unsigned short);
320 input_dev->keycodemax = keycodemax;
324 321
325 if (pdata->rep) 322 if (pdata->rep)
326 __set_bit(EV_REP, input_dev->evbit); 323 __set_bit(EV_REP, input_dev->evbit);
@@ -374,8 +371,8 @@ static int __devinit omap_kp_probe(struct platform_device *pdev)
374 371
375 /* setup input device */ 372 /* setup input device */
376 __set_bit(EV_KEY, input_dev->evbit); 373 __set_bit(EV_KEY, input_dev->evbit);
377 for (i = 0; keymap[i] != 0; i++) 374 matrix_keypad_build_keymap(pdata->keymap_data, row_shift,
378 __set_bit(keymap[i] & KEY_MAX, input_dev->keybit); 375 input_dev->keycode, input_dev->keybit);
379 input_dev->name = "omap-keypad"; 376 input_dev->name = "omap-keypad";
380 input_dev->phys = "omap-keypad/input0"; 377 input_dev->phys = "omap-keypad/input0";
381 input_dev->dev.parent = &pdev->dev; 378 input_dev->dev.parent = &pdev->dev;
@@ -416,7 +413,7 @@ static int __devinit omap_kp_probe(struct platform_device *pdev)
416 return 0; 413 return 0;
417err5: 414err5:
418 for (i = irq_idx - 1; i >=0; i--) 415 for (i = irq_idx - 1; i >=0; i--)
419 free_irq(row_gpios[i], 0); 416 free_irq(row_gpios[i], NULL);
420err4: 417err4:
421 input_unregister_device(omap_kp->input); 418 input_unregister_device(omap_kp->input);
422 input_dev = NULL; 419 input_dev = NULL;
@@ -447,11 +444,11 @@ static int __devexit omap_kp_remove(struct platform_device *pdev)
447 gpio_free(col_gpios[i]); 444 gpio_free(col_gpios[i]);
448 for (i = 0; i < omap_kp->rows; i++) { 445 for (i = 0; i < omap_kp->rows; i++) {
449 gpio_free(row_gpios[i]); 446 gpio_free(row_gpios[i]);
450 free_irq(gpio_to_irq(row_gpios[i]), 0); 447 free_irq(gpio_to_irq(row_gpios[i]), NULL);
451 } 448 }
452 } else { 449 } else {
453 omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT); 450 omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
454 free_irq(omap_kp->irq, 0); 451 free_irq(omap_kp->irq, NULL);
455 } 452 }
456 453
457 del_timer_sync(&omap_kp->timer); 454 del_timer_sync(&omap_kp->timer);
diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c
index 45bd0977d006..c51a3c4a7feb 100644
--- a/drivers/input/keyboard/omap4-keypad.c
+++ b/drivers/input/keyboard/omap4-keypad.c
@@ -29,6 +29,7 @@
29#include <linux/io.h> 29#include <linux/io.h>
30#include <linux/input.h> 30#include <linux/input.h>
31#include <linux/slab.h> 31#include <linux/slab.h>
32#include <linux/pm_runtime.h>
32 33
33#include <plat/omap4-keypad.h> 34#include <plat/omap4-keypad.h>
34 35
@@ -80,20 +81,6 @@ struct omap4_keypad {
80 unsigned short keymap[]; 81 unsigned short keymap[];
81}; 82};
82 83
83static void __devinit omap4_keypad_config(struct omap4_keypad *keypad_data)
84{
85 __raw_writel(OMAP4_VAL_FUNCTIONALCFG,
86 keypad_data->base + OMAP4_KBD_CTRL);
87 __raw_writel(OMAP4_VAL_DEBOUNCINGTIME,
88 keypad_data->base + OMAP4_KBD_DEBOUNCINGTIME);
89 __raw_writel(OMAP4_VAL_IRQDISABLE,
90 keypad_data->base + OMAP4_KBD_IRQSTATUS);
91 __raw_writel(OMAP4_DEF_IRQENABLE_EVENTEN | OMAP4_DEF_IRQENABLE_LONGKEY,
92 keypad_data->base + OMAP4_KBD_IRQENABLE);
93 __raw_writel(OMAP4_DEF_WUP_EVENT_ENA | OMAP4_DEF_WUP_LONG_KEY_ENA,
94 keypad_data->base + OMAP4_KBD_WAKEUPENABLE);
95}
96
97/* Interrupt handler */ 84/* Interrupt handler */
98static irqreturn_t omap4_keypad_interrupt(int irq, void *dev_id) 85static irqreturn_t omap4_keypad_interrupt(int irq, void *dev_id)
99{ 86{
@@ -144,6 +131,49 @@ static irqreturn_t omap4_keypad_interrupt(int irq, void *dev_id)
144 return IRQ_HANDLED; 131 return IRQ_HANDLED;
145} 132}
146 133
134static int omap4_keypad_open(struct input_dev *input)
135{
136 struct omap4_keypad *keypad_data = input_get_drvdata(input);
137
138 pm_runtime_get_sync(input->dev.parent);
139
140 disable_irq(keypad_data->irq);
141
142 __raw_writel(OMAP4_VAL_FUNCTIONALCFG,
143 keypad_data->base + OMAP4_KBD_CTRL);
144 __raw_writel(OMAP4_VAL_DEBOUNCINGTIME,
145 keypad_data->base + OMAP4_KBD_DEBOUNCINGTIME);
146 __raw_writel(OMAP4_VAL_IRQDISABLE,
147 keypad_data->base + OMAP4_KBD_IRQSTATUS);
148 __raw_writel(OMAP4_DEF_IRQENABLE_EVENTEN | OMAP4_DEF_IRQENABLE_LONGKEY,
149 keypad_data->base + OMAP4_KBD_IRQENABLE);
150 __raw_writel(OMAP4_DEF_WUP_EVENT_ENA | OMAP4_DEF_WUP_LONG_KEY_ENA,
151 keypad_data->base + OMAP4_KBD_WAKEUPENABLE);
152
153 enable_irq(keypad_data->irq);
154
155 return 0;
156}
157
158static void omap4_keypad_close(struct input_dev *input)
159{
160 struct omap4_keypad *keypad_data = input_get_drvdata(input);
161
162 disable_irq(keypad_data->irq);
163
164 /* Disable interrupts */
165 __raw_writel(OMAP4_VAL_IRQDISABLE,
166 keypad_data->base + OMAP4_KBD_IRQENABLE);
167
168 /* clear pending interrupts */
169 __raw_writel(__raw_readl(keypad_data->base + OMAP4_KBD_IRQSTATUS),
170 keypad_data->base + OMAP4_KBD_IRQSTATUS);
171
172 enable_irq(keypad_data->irq);
173
174 pm_runtime_put_sync(input->dev.parent);
175}
176
147static int __devinit omap4_keypad_probe(struct platform_device *pdev) 177static int __devinit omap4_keypad_probe(struct platform_device *pdev)
148{ 178{
149 const struct omap4_keypad_platform_data *pdata; 179 const struct omap4_keypad_platform_data *pdata;
@@ -225,6 +255,9 @@ static int __devinit omap4_keypad_probe(struct platform_device *pdev)
225 input_dev->id.product = 0x0001; 255 input_dev->id.product = 0x0001;
226 input_dev->id.version = 0x0001; 256 input_dev->id.version = 0x0001;
227 257
258 input_dev->open = omap4_keypad_open;
259 input_dev->close = omap4_keypad_close;
260
228 input_dev->keycode = keypad_data->keymap; 261 input_dev->keycode = keypad_data->keymap;
229 input_dev->keycodesize = sizeof(keypad_data->keymap[0]); 262 input_dev->keycodesize = sizeof(keypad_data->keymap[0]);
230 input_dev->keycodemax = max_keys; 263 input_dev->keycodemax = max_keys;
@@ -239,8 +272,6 @@ static int __devinit omap4_keypad_probe(struct platform_device *pdev)
239 matrix_keypad_build_keymap(pdata->keymap_data, row_shift, 272 matrix_keypad_build_keymap(pdata->keymap_data, row_shift,
240 input_dev->keycode, input_dev->keybit); 273 input_dev->keycode, input_dev->keybit);
241 274
242 omap4_keypad_config(keypad_data);
243
244 error = request_irq(keypad_data->irq, omap4_keypad_interrupt, 275 error = request_irq(keypad_data->irq, omap4_keypad_interrupt,
245 IRQF_TRIGGER_RISING, 276 IRQF_TRIGGER_RISING,
246 "omap4-keypad", keypad_data); 277 "omap4-keypad", keypad_data);
@@ -249,17 +280,19 @@ static int __devinit omap4_keypad_probe(struct platform_device *pdev)
249 goto err_free_input; 280 goto err_free_input;
250 } 281 }
251 282
283 pm_runtime_enable(&pdev->dev);
284
252 error = input_register_device(keypad_data->input); 285 error = input_register_device(keypad_data->input);
253 if (error < 0) { 286 if (error < 0) {
254 dev_err(&pdev->dev, "failed to register input device\n"); 287 dev_err(&pdev->dev, "failed to register input device\n");
255 goto err_free_irq; 288 goto err_pm_disable;
256 } 289 }
257 290
258
259 platform_set_drvdata(pdev, keypad_data); 291 platform_set_drvdata(pdev, keypad_data);
260 return 0; 292 return 0;
261 293
262err_free_irq: 294err_pm_disable:
295 pm_runtime_disable(&pdev->dev);
263 free_irq(keypad_data->irq, keypad_data); 296 free_irq(keypad_data->irq, keypad_data);
264err_free_input: 297err_free_input:
265 input_free_device(input_dev); 298 input_free_device(input_dev);
@@ -278,6 +311,9 @@ static int __devexit omap4_keypad_remove(struct platform_device *pdev)
278 struct resource *res; 311 struct resource *res;
279 312
280 free_irq(keypad_data->irq, keypad_data); 313 free_irq(keypad_data->irq, keypad_data);
314
315 pm_runtime_disable(&pdev->dev);
316
281 input_unregister_device(keypad_data->input); 317 input_unregister_device(keypad_data->input);
282 318
283 iounmap(keypad_data->base); 319 iounmap(keypad_data->base);
diff --git a/drivers/input/keyboard/qt1070.c b/drivers/input/keyboard/qt1070.c
new file mode 100644
index 000000000000..fba8404c7297
--- /dev/null
+++ b/drivers/input/keyboard/qt1070.c
@@ -0,0 +1,276 @@
1/*
2 * Atmel AT42QT1070 QTouch Sensor Controller
3 *
4 * Copyright (C) 2011 Atmel
5 *
6 * Authors: Bo Shen <voice.shen@atmel.com>
7 *
8 * Base on AT42QT2160 driver by:
9 * Raphael Derosso Pereira <raphaelpereira@gmail.com>
10 * Copyright (C) 2009
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 */
26#include <linux/kernel.h>
27#include <linux/module.h>
28#include <linux/init.h>
29#include <linux/i2c.h>
30#include <linux/input.h>
31#include <linux/slab.h>
32#include <linux/irq.h>
33#include <linux/interrupt.h>
34#include <linux/jiffies.h>
35#include <linux/delay.h>
36
37/* Address for each register */
38#define CHIP_ID 0x00
39#define QT1070_CHIP_ID 0x2E
40
41#define FW_VERSION 0x01
42#define QT1070_FW_VERSION 0x15
43
44#define DET_STATUS 0x02
45
46#define KEY_STATUS 0x03
47
48/* Calibrate */
49#define CALIBRATE_CMD 0x38
50#define QT1070_CAL_TIME 200
51
52/* Reset */
53#define RESET 0x39
54#define QT1070_RESET_TIME 255
55
56/* AT42QT1070 support up to 7 keys */
57static const unsigned short qt1070_key2code[] = {
58 KEY_0, KEY_1, KEY_2, KEY_3,
59 KEY_4, KEY_5, KEY_6,
60};
61
62struct qt1070_data {
63 struct i2c_client *client;
64 struct input_dev *input;
65 unsigned int irq;
66 unsigned short keycodes[ARRAY_SIZE(qt1070_key2code)];
67 u8 last_keys;
68};
69
70static int qt1070_read(struct i2c_client *client, u8 reg)
71{
72 int ret;
73
74 ret = i2c_smbus_read_byte_data(client, reg);
75 if (ret < 0)
76 dev_err(&client->dev,
77 "can not read register, returned %d\n", ret);
78
79 return ret;
80}
81
82static int qt1070_write(struct i2c_client *client, u8 reg, u8 data)
83{
84 int ret;
85
86 ret = i2c_smbus_write_byte_data(client, reg, data);
87 if (ret < 0)
88 dev_err(&client->dev,
89 "can not write register, returned %d\n", ret);
90
91 return ret;
92}
93
94static bool __devinit qt1070_identify(struct i2c_client *client)
95{
96 int id, ver;
97
98 /* Read Chip ID */
99 id = qt1070_read(client, CHIP_ID);
100 if (id != QT1070_CHIP_ID) {
101 dev_err(&client->dev, "ID %d not supported\n", id);
102 return false;
103 }
104
105 /* Read firmware version */
106 ver = qt1070_read(client, FW_VERSION);
107 if (ver < 0) {
108 dev_err(&client->dev, "could not read the firmware version\n");
109 return false;
110 }
111
112 dev_info(&client->dev, "AT42QT1070 firmware version %x\n", ver);
113
114 return true;
115}
116
117static irqreturn_t qt1070_interrupt(int irq, void *dev_id)
118{
119 struct qt1070_data *data = dev_id;
120 struct i2c_client *client = data->client;
121 struct input_dev *input = data->input;
122 int i;
123 u8 new_keys, keyval, mask = 0x01;
124
125 /* Read the detected status register, thus clearing interrupt */
126 qt1070_read(client, DET_STATUS);
127
128 /* Read which key changed */
129 new_keys = qt1070_read(client, KEY_STATUS);
130
131 for (i = 0; i < ARRAY_SIZE(qt1070_key2code); i++) {
132 keyval = new_keys & mask;
133 if ((data->last_keys & mask) != keyval)
134 input_report_key(input, data->keycodes[i], keyval);
135 mask <<= 1;
136 }
137 input_sync(input);
138
139 data->last_keys = new_keys;
140 return IRQ_HANDLED;
141}
142
143static int __devinit qt1070_probe(struct i2c_client *client,
144 const struct i2c_device_id *id)
145{
146 struct qt1070_data *data;
147 struct input_dev *input;
148 int i;
149 int err;
150
151 err = i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE);
152 if (!err) {
153 dev_err(&client->dev, "%s adapter not supported\n",
154 dev_driver_string(&client->adapter->dev));
155 return -ENODEV;
156 }
157
158 if (!client->irq) {
159 dev_err(&client->dev, "please assign the irq to this device\n");
160 return -EINVAL;
161 }
162
163 /* Identify the qt1070 chip */
164 if (!qt1070_identify(client))
165 return -ENODEV;
166
167 data = kzalloc(sizeof(struct qt1070_data), GFP_KERNEL);
168 input = input_allocate_device();
169 if (!data || !input) {
170 dev_err(&client->dev, "insufficient memory\n");
171 err = -ENOMEM;
172 goto err_free_mem;
173 }
174
175 data->client = client;
176 data->input = input;
177 data->irq = client->irq;
178
179 input->name = "AT42QT1070 QTouch Sensor";
180 input->dev.parent = &client->dev;
181 input->id.bustype = BUS_I2C;
182
183 /* Add the keycode */
184 input->keycode = data->keycodes;
185 input->keycodesize = sizeof(data->keycodes[0]);
186 input->keycodemax = ARRAY_SIZE(qt1070_key2code);
187
188 __set_bit(EV_KEY, input->evbit);
189
190 for (i = 0; i < ARRAY_SIZE(qt1070_key2code); i++) {
191 data->keycodes[i] = qt1070_key2code[i];
192 __set_bit(qt1070_key2code[i], input->keybit);
193 }
194
195 /* Calibrate device */
196 qt1070_write(client, CALIBRATE_CMD, 1);
197 msleep(QT1070_CAL_TIME);
198
199 /* Soft reset */
200 qt1070_write(client, RESET, 1);
201 msleep(QT1070_RESET_TIME);
202
203 err = request_threaded_irq(client->irq, NULL, qt1070_interrupt,
204 IRQF_TRIGGER_NONE, client->dev.driver->name, data);
205 if (err) {
206 dev_err(&client->dev, "fail to request irq\n");
207 goto err_free_mem;
208 }
209
210 /* Register the input device */
211 err = input_register_device(data->input);
212 if (err) {
213 dev_err(&client->dev, "Failed to register input device\n");
214 goto err_free_irq;
215 }
216
217 i2c_set_clientdata(client, data);
218
219 /* Read to clear the chang line */
220 qt1070_read(client, DET_STATUS);
221
222 return 0;
223
224err_free_irq:
225 free_irq(client->irq, data);
226err_free_mem:
227 input_free_device(input);
228 kfree(data);
229 return err;
230}
231
232static int __devexit qt1070_remove(struct i2c_client *client)
233{
234 struct qt1070_data *data = i2c_get_clientdata(client);
235
236 /* Release IRQ */
237 free_irq(client->irq, data);
238
239 input_unregister_device(data->input);
240 kfree(data);
241
242 i2c_set_clientdata(client, NULL);
243
244 return 0;
245}
246
247static const struct i2c_device_id qt1070_id[] = {
248 { "qt1070", 0 },
249 { },
250};
251
252static struct i2c_driver qt1070_driver = {
253 .driver = {
254 .name = "qt1070",
255 .owner = THIS_MODULE,
256 },
257 .id_table = qt1070_id,
258 .probe = qt1070_probe,
259 .remove = __devexit_p(qt1070_remove),
260};
261
262static int __init qt1070_init(void)
263{
264 return i2c_add_driver(&qt1070_driver);
265}
266module_init(qt1070_init);
267
268static void __exit qt1070_exit(void)
269{
270 i2c_del_driver(&qt1070_driver);
271}
272module_exit(qt1070_exit);
273
274MODULE_AUTHOR("Bo Shen <voice.shen@atmel.com>");
275MODULE_DESCRIPTION("Driver for AT42QT1070 QTouch sensor");
276MODULE_LICENSE("GPL");
diff --git a/drivers/input/keyboard/tc3589x-keypad.c b/drivers/input/keyboard/tc3589x-keypad.c
new file mode 100644
index 000000000000..99122f59e988
--- /dev/null
+++ b/drivers/input/keyboard/tc3589x-keypad.c
@@ -0,0 +1,472 @@
1/*
2 * Copyright (C) ST-Ericsson SA 2010
3 *
4 * Author: Jayeeta Banerjee <jayeeta.banerjee@stericsson.com>
5 * Author: Sundar Iyer <sundar.iyer@stericsson.com>
6 *
7 * License Terms: GNU General Public License, version 2
8 *
9 * TC35893 MFD Keypad Controller driver
10 */
11
12#include <linux/module.h>
13#include <linux/init.h>
14#include <linux/interrupt.h>
15#include <linux/input.h>
16#include <linux/platform_device.h>
17#include <linux/input/matrix_keypad.h>
18#include <linux/i2c.h>
19#include <linux/slab.h>
20#include <linux/mfd/tc3589x.h>
21
22/* Maximum supported keypad matrix row/columns size */
23#define TC3589x_MAX_KPROW 8
24#define TC3589x_MAX_KPCOL 12
25
26/* keypad related Constants */
27#define TC3589x_MAX_DEBOUNCE_SETTLE 0xFF
28#define DEDICATED_KEY_VAL 0xFF
29
30/* Pull up/down masks */
31#define TC3589x_NO_PULL_MASK 0x0
32#define TC3589x_PULL_DOWN_MASK 0x1
33#define TC3589x_PULL_UP_MASK 0x2
34#define TC3589x_PULLUP_ALL_MASK 0xAA
35#define TC3589x_IO_PULL_VAL(index, mask) ((mask)<<((index)%4)*2))
36
37/* Bit masks for IOCFG register */
38#define IOCFG_BALLCFG 0x01
39#define IOCFG_IG 0x08
40
41#define KP_EVCODE_COL_MASK 0x0F
42#define KP_EVCODE_ROW_MASK 0x70
43#define KP_RELEASE_EVT_MASK 0x80
44
45#define KP_ROW_SHIFT 4
46
47#define KP_NO_VALID_KEY_MASK 0x7F
48
49/* bit masks for RESTCTRL register */
50#define TC3589x_KBDRST 0x2
51#define TC3589x_IRQRST 0x10
52#define TC3589x_RESET_ALL 0x1B
53
54/* KBDMFS register bit mask */
55#define TC3589x_KBDMFS_EN 0x1
56
57/* CLKEN register bitmask */
58#define KPD_CLK_EN 0x1
59
60/* RSTINTCLR register bit mask */
61#define IRQ_CLEAR 0x1
62
63/* bit masks for keyboard interrupts*/
64#define TC3589x_EVT_LOSS_INT 0x8
65#define TC3589x_EVT_INT 0x4
66#define TC3589x_KBD_LOSS_INT 0x2
67#define TC3589x_KBD_INT 0x1
68
69/* bit masks for keyboard interrupt clear*/
70#define TC3589x_EVT_INT_CLR 0x2
71#define TC3589x_KBD_INT_CLR 0x1
72
73#define TC3589x_KBD_KEYMAP_SIZE 64
74
75/**
76 * struct tc_keypad - data structure used by keypad driver
77 * @input: pointer to input device object
78 * @board: keypad platform device
79 * @krow: number of rows
80 * @kcol: number of coloumns
81 * @keymap: matrix scan code table for keycodes
82 */
83struct tc_keypad {
84 struct tc3589x *tc3589x;
85 struct input_dev *input;
86 const struct tc3589x_keypad_platform_data *board;
87 unsigned int krow;
88 unsigned int kcol;
89 unsigned short keymap[TC3589x_KBD_KEYMAP_SIZE];
90 bool keypad_stopped;
91};
92
93static int __devinit tc3589x_keypad_init_key_hardware(struct tc_keypad *keypad)
94{
95 int ret;
96 struct tc3589x *tc3589x = keypad->tc3589x;
97 u8 settle_time = keypad->board->settle_time;
98 u8 dbounce_period = keypad->board->debounce_period;
99 u8 rows = keypad->board->krow & 0xf; /* mask out the nibble */
100 u8 column = keypad->board->kcol & 0xf; /* mask out the nibble */
101
102 /* validate platform configurations */
103 if (keypad->board->kcol > TC3589x_MAX_KPCOL ||
104 keypad->board->krow > TC3589x_MAX_KPROW ||
105 keypad->board->debounce_period > TC3589x_MAX_DEBOUNCE_SETTLE ||
106 keypad->board->settle_time > TC3589x_MAX_DEBOUNCE_SETTLE)
107 return -EINVAL;
108
109 /* configure KBDSIZE 4 LSbits for cols and 4 MSbits for rows */
110 ret = tc3589x_reg_write(tc3589x, TC3589x_KBDSIZE,
111 (rows << KP_ROW_SHIFT) | column);
112 if (ret < 0)
113 return ret;
114
115 /* configure dedicated key config, no dedicated key selected */
116 ret = tc3589x_reg_write(tc3589x, TC3589x_KBCFG_LSB, DEDICATED_KEY_VAL);
117 if (ret < 0)
118 return ret;
119
120 ret = tc3589x_reg_write(tc3589x, TC3589x_KBCFG_MSB, DEDICATED_KEY_VAL);
121 if (ret < 0)
122 return ret;
123
124 /* Configure settle time */
125 ret = tc3589x_reg_write(tc3589x, TC3589x_KBDSETTLE_REG, settle_time);
126 if (ret < 0)
127 return ret;
128
129 /* Configure debounce time */
130 ret = tc3589x_reg_write(tc3589x, TC3589x_KBDBOUNCE, dbounce_period);
131 if (ret < 0)
132 return ret;
133
134 /* Start of initialise keypad GPIOs */
135 ret = tc3589x_set_bits(tc3589x, TC3589x_IOCFG, 0x0, IOCFG_IG);
136 if (ret < 0)
137 return ret;
138
139 /* Configure pull-up resistors for all row GPIOs */
140 ret = tc3589x_reg_write(tc3589x, TC3589x_IOPULLCFG0_LSB,
141 TC3589x_PULLUP_ALL_MASK);
142 if (ret < 0)
143 return ret;
144
145 ret = tc3589x_reg_write(tc3589x, TC3589x_IOPULLCFG0_MSB,
146 TC3589x_PULLUP_ALL_MASK);
147 if (ret < 0)
148 return ret;
149
150 /* Configure pull-up resistors for all column GPIOs */
151 ret = tc3589x_reg_write(tc3589x, TC3589x_IOPULLCFG1_LSB,
152 TC3589x_PULLUP_ALL_MASK);
153 if (ret < 0)
154 return ret;
155
156 ret = tc3589x_reg_write(tc3589x, TC3589x_IOPULLCFG1_MSB,
157 TC3589x_PULLUP_ALL_MASK);
158 if (ret < 0)
159 return ret;
160
161 ret = tc3589x_reg_write(tc3589x, TC3589x_IOPULLCFG2_LSB,
162 TC3589x_PULLUP_ALL_MASK);
163
164 return ret;
165}
166
167#define TC35893_DATA_REGS 4
168#define TC35893_KEYCODE_FIFO_EMPTY 0x7f
169#define TC35893_KEYCODE_FIFO_CLEAR 0xff
170#define TC35893_KEYPAD_ROW_SHIFT 0x3
171
172static irqreturn_t tc3589x_keypad_irq(int irq, void *dev)
173{
174 struct tc_keypad *keypad = dev;
175 struct tc3589x *tc3589x = keypad->tc3589x;
176 u8 i, row_index, col_index, kbd_code, up;
177 u8 code;
178
179 for (i = 0; i < TC35893_DATA_REGS * 2; i++) {
180 kbd_code = tc3589x_reg_read(tc3589x, TC3589x_EVTCODE_FIFO);
181
182 /* loop till fifo is empty and no more keys are pressed */
183 if (kbd_code == TC35893_KEYCODE_FIFO_EMPTY ||
184 kbd_code == TC35893_KEYCODE_FIFO_CLEAR)
185 continue;
186
187 /* valid key is found */
188 col_index = kbd_code & KP_EVCODE_COL_MASK;
189 row_index = (kbd_code & KP_EVCODE_ROW_MASK) >> KP_ROW_SHIFT;
190 code = MATRIX_SCAN_CODE(row_index, col_index,
191 TC35893_KEYPAD_ROW_SHIFT);
192 up = kbd_code & KP_RELEASE_EVT_MASK;
193
194 input_event(keypad->input, EV_MSC, MSC_SCAN, code);
195 input_report_key(keypad->input, keypad->keymap[code], !up);
196 input_sync(keypad->input);
197 }
198
199 /* clear IRQ */
200 tc3589x_set_bits(tc3589x, TC3589x_KBDIC,
201 0x0, TC3589x_EVT_INT_CLR | TC3589x_KBD_INT_CLR);
202 /* enable IRQ */
203 tc3589x_set_bits(tc3589x, TC3589x_KBDMSK,
204 0x0, TC3589x_EVT_LOSS_INT | TC3589x_EVT_INT);
205
206 return IRQ_HANDLED;
207}
208
209static int tc3589x_keypad_enable(struct tc_keypad *keypad)
210{
211 struct tc3589x *tc3589x = keypad->tc3589x;
212 int ret;
213
214 /* pull the keypad module out of reset */
215 ret = tc3589x_set_bits(tc3589x, TC3589x_RSTCTRL, TC3589x_KBDRST, 0x0);
216 if (ret < 0)
217 return ret;
218
219 /* configure KBDMFS */
220 ret = tc3589x_set_bits(tc3589x, TC3589x_KBDMFS, 0x0, TC3589x_KBDMFS_EN);
221 if (ret < 0)
222 return ret;
223
224 /* enable the keypad clock */
225 ret = tc3589x_set_bits(tc3589x, TC3589x_CLKEN, 0x0, KPD_CLK_EN);
226 if (ret < 0)
227 return ret;
228
229 /* clear pending IRQs */
230 ret = tc3589x_set_bits(tc3589x, TC3589x_RSTINTCLR, 0x0, 0x1);
231 if (ret < 0)
232 return ret;
233
234 /* enable the IRQs */
235 ret = tc3589x_set_bits(tc3589x, TC3589x_KBDMSK, 0x0,
236 TC3589x_EVT_LOSS_INT | TC3589x_EVT_INT);
237 if (ret < 0)
238 return ret;
239
240 keypad->keypad_stopped = false;
241
242 return ret;
243}
244
245static int tc3589x_keypad_disable(struct tc_keypad *keypad)
246{
247 struct tc3589x *tc3589x = keypad->tc3589x;
248 int ret;
249
250 /* clear IRQ */
251 ret = tc3589x_set_bits(tc3589x, TC3589x_KBDIC,
252 0x0, TC3589x_EVT_INT_CLR | TC3589x_KBD_INT_CLR);
253 if (ret < 0)
254 return ret;
255
256 /* disable all interrupts */
257 ret = tc3589x_set_bits(tc3589x, TC3589x_KBDMSK,
258 ~(TC3589x_EVT_LOSS_INT | TC3589x_EVT_INT), 0x0);
259 if (ret < 0)
260 return ret;
261
262 /* disable the keypad module */
263 ret = tc3589x_set_bits(tc3589x, TC3589x_CLKEN, 0x1, 0x0);
264 if (ret < 0)
265 return ret;
266
267 /* put the keypad module into reset */
268 ret = tc3589x_set_bits(tc3589x, TC3589x_RSTCTRL, TC3589x_KBDRST, 0x1);
269
270 keypad->keypad_stopped = true;
271
272 return ret;
273}
274
275static int tc3589x_keypad_open(struct input_dev *input)
276{
277 int error;
278 struct tc_keypad *keypad = input_get_drvdata(input);
279
280 /* enable the keypad module */
281 error = tc3589x_keypad_enable(keypad);
282 if (error < 0) {
283 dev_err(&input->dev, "failed to enable keypad module\n");
284 return error;
285 }
286
287 error = tc3589x_keypad_init_key_hardware(keypad);
288 if (error < 0) {
289 dev_err(&input->dev, "failed to configure keypad module\n");
290 return error;
291 }
292
293 return 0;
294}
295
296static void tc3589x_keypad_close(struct input_dev *input)
297{
298 struct tc_keypad *keypad = input_get_drvdata(input);
299
300 /* disable the keypad module */
301 tc3589x_keypad_disable(keypad);
302}
303
304static int __devinit tc3589x_keypad_probe(struct platform_device *pdev)
305{
306 struct tc3589x *tc3589x = dev_get_drvdata(pdev->dev.parent);
307 struct tc_keypad *keypad;
308 struct input_dev *input;
309 const struct tc3589x_keypad_platform_data *plat;
310 int error, irq;
311
312 plat = tc3589x->pdata->keypad;
313 if (!plat) {
314 dev_err(&pdev->dev, "invalid keypad platform data\n");
315 return -EINVAL;
316 }
317
318 irq = platform_get_irq(pdev, 0);
319 if (irq < 0)
320 return irq;
321
322 keypad = kzalloc(sizeof(struct tc_keypad), GFP_KERNEL);
323 input = input_allocate_device();
324 if (!keypad || !input) {
325 dev_err(&pdev->dev, "failed to allocate keypad memory\n");
326 error = -ENOMEM;
327 goto err_free_mem;
328 }
329
330 keypad->board = plat;
331 keypad->input = input;
332 keypad->tc3589x = tc3589x;
333
334 input->id.bustype = BUS_I2C;
335 input->name = pdev->name;
336 input->dev.parent = &pdev->dev;
337
338 input->keycode = keypad->keymap;
339 input->keycodesize = sizeof(keypad->keymap[0]);
340 input->keycodemax = ARRAY_SIZE(keypad->keymap);
341
342 input->open = tc3589x_keypad_open;
343 input->close = tc3589x_keypad_close;
344
345 input_set_drvdata(input, keypad);
346
347 input_set_capability(input, EV_MSC, MSC_SCAN);
348
349 __set_bit(EV_KEY, input->evbit);
350 if (!plat->no_autorepeat)
351 __set_bit(EV_REP, input->evbit);
352
353 matrix_keypad_build_keymap(plat->keymap_data, 0x3,
354 input->keycode, input->keybit);
355
356 error = request_threaded_irq(irq, NULL,
357 tc3589x_keypad_irq, plat->irqtype,
358 "tc3589x-keypad", keypad);
359 if (error < 0) {
360 dev_err(&pdev->dev,
361 "Could not allocate irq %d,error %d\n",
362 irq, error);
363 goto err_free_mem;
364 }
365
366 error = input_register_device(input);
367 if (error) {
368 dev_err(&pdev->dev, "Could not register input device\n");
369 goto err_free_irq;
370 }
371
372 /* let platform decide if keypad is a wakeup source or not */
373 device_init_wakeup(&pdev->dev, plat->enable_wakeup);
374 device_set_wakeup_capable(&pdev->dev, plat->enable_wakeup);
375
376 platform_set_drvdata(pdev, keypad);
377
378 return 0;
379
380err_free_irq:
381 free_irq(irq, keypad);
382err_free_mem:
383 input_free_device(input);
384 kfree(keypad);
385 return error;
386}
387
388static int __devexit tc3589x_keypad_remove(struct platform_device *pdev)
389{
390 struct tc_keypad *keypad = platform_get_drvdata(pdev);
391 int irq = platform_get_irq(pdev, 0);
392
393 if (!keypad->keypad_stopped)
394 tc3589x_keypad_disable(keypad);
395
396 free_irq(irq, keypad);
397
398 input_unregister_device(keypad->input);
399
400 kfree(keypad);
401
402 return 0;
403}
404
405#ifdef CONFIG_PM_SLEEP
406static int tc3589x_keypad_suspend(struct device *dev)
407{
408 struct platform_device *pdev = to_platform_device(dev);
409 struct tc_keypad *keypad = platform_get_drvdata(pdev);
410 int irq = platform_get_irq(pdev, 0);
411
412 /* keypad is already off; we do nothing */
413 if (keypad->keypad_stopped)
414 return 0;
415
416 /* if device is not a wakeup source, disable it for powersave */
417 if (!device_may_wakeup(&pdev->dev))
418 tc3589x_keypad_disable(keypad);
419 else
420 enable_irq_wake(irq);
421
422 return 0;
423}
424
425static int tc3589x_keypad_resume(struct device *dev)
426{
427 struct platform_device *pdev = to_platform_device(dev);
428 struct tc_keypad *keypad = platform_get_drvdata(pdev);
429 int irq = platform_get_irq(pdev, 0);
430
431 if (!keypad->keypad_stopped)
432 return 0;
433
434 /* enable the device to resume normal operations */
435 if (!device_may_wakeup(&pdev->dev))
436 tc3589x_keypad_enable(keypad);
437 else
438 disable_irq_wake(irq);
439
440 return 0;
441}
442#endif
443
444static SIMPLE_DEV_PM_OPS(tc3589x_keypad_dev_pm_ops,
445 tc3589x_keypad_suspend, tc3589x_keypad_resume);
446
447static struct platform_driver tc3589x_keypad_driver = {
448 .driver = {
449 .name = "tc3589x-keypad",
450 .owner = THIS_MODULE,
451 .pm = &tc3589x_keypad_dev_pm_ops,
452 },
453 .probe = tc3589x_keypad_probe,
454 .remove = __devexit_p(tc3589x_keypad_remove),
455};
456
457static int __init tc3589x_keypad_init(void)
458{
459 return platform_driver_register(&tc3589x_keypad_driver);
460}
461module_init(tc3589x_keypad_init);
462
463static void __exit tc3589x_keypad_exit(void)
464{
465 return platform_driver_unregister(&tc3589x_keypad_driver);
466}
467module_exit(tc3589x_keypad_exit);
468
469MODULE_LICENSE("GPL v2");
470MODULE_AUTHOR("Jayeeta Banerjee/Sundar Iyer");
471MODULE_DESCRIPTION("TC35893 Keypad Driver");
472MODULE_ALIAS("platform:tc3589x-keypad");
diff --git a/drivers/input/keyboard/tca6416-keypad.c b/drivers/input/keyboard/tca6416-keypad.c
index 800fbccf1f0f..3afea3f89718 100644
--- a/drivers/input/keyboard/tca6416-keypad.c
+++ b/drivers/input/keyboard/tca6416-keypad.c
@@ -297,6 +297,7 @@ static int __devinit tca6416_keypad_probe(struct i2c_client *client,
297 } 297 }
298 298
299 i2c_set_clientdata(client, chip); 299 i2c_set_clientdata(client, chip);
300 device_init_wakeup(&client->dev, 1);
300 301
301 return 0; 302 return 0;
302 303
@@ -326,10 +327,37 @@ static int __devexit tca6416_keypad_remove(struct i2c_client *client)
326 return 0; 327 return 0;
327} 328}
328 329
330#ifdef CONFIG_PM_SLEEP
331static int tca6416_keypad_suspend(struct device *dev)
332{
333 struct i2c_client *client = to_i2c_client(dev);
334 struct tca6416_keypad_chip *chip = i2c_get_clientdata(client);
335
336 if (device_may_wakeup(dev))
337 enable_irq_wake(chip->irqnum);
338
339 return 0;
340}
341
342static int tca6416_keypad_resume(struct device *dev)
343{
344 struct i2c_client *client = to_i2c_client(dev);
345 struct tca6416_keypad_chip *chip = i2c_get_clientdata(client);
346
347 if (device_may_wakeup(dev))
348 disable_irq_wake(chip->irqnum);
349
350 return 0;
351}
352#endif
353
354static SIMPLE_DEV_PM_OPS(tca6416_keypad_dev_pm_ops,
355 tca6416_keypad_suspend, tca6416_keypad_resume);
329 356
330static struct i2c_driver tca6416_keypad_driver = { 357static struct i2c_driver tca6416_keypad_driver = {
331 .driver = { 358 .driver = {
332 .name = "tca6416-keypad", 359 .name = "tca6416-keypad",
360 .pm = &tca6416_keypad_dev_pm_ops,
333 }, 361 },
334 .probe = tca6416_keypad_probe, 362 .probe = tca6416_keypad_probe,
335 .remove = __devexit_p(tca6416_keypad_remove), 363 .remove = __devexit_p(tca6416_keypad_remove),
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-03 04:51:32 -0400