diff options
Diffstat (limited to 'drivers/input/touchscreen/h3600_ts_input.c')
-rw-r--r-- | drivers/input/touchscreen/h3600_ts_input.c | 180 |
1 files changed, 90 insertions, 90 deletions
diff --git a/drivers/input/touchscreen/h3600_ts_input.c b/drivers/input/touchscreen/h3600_ts_input.c index acb9137a0226..bcfa1e36f957 100644 --- a/drivers/input/touchscreen/h3600_ts_input.c +++ b/drivers/input/touchscreen/h3600_ts_input.c | |||
@@ -89,9 +89,9 @@ MODULE_LICENSE("GPL"); | |||
89 | #define H3600_SCANCODE_Q 4 /* 4 -> Q button */ | 89 | #define H3600_SCANCODE_Q 4 /* 4 -> Q button */ |
90 | #define H3600_SCANCODE_START 5 /* 5 -> start menu */ | 90 | #define H3600_SCANCODE_START 5 /* 5 -> start menu */ |
91 | #define H3600_SCANCODE_UP 6 /* 6 -> up */ | 91 | #define H3600_SCANCODE_UP 6 /* 6 -> up */ |
92 | #define H3600_SCANCODE_RIGHT 7 /* 7 -> right */ | 92 | #define H3600_SCANCODE_RIGHT 7 /* 7 -> right */ |
93 | #define H3600_SCANCODE_LEFT 8 /* 8 -> left */ | 93 | #define H3600_SCANCODE_LEFT 8 /* 8 -> left */ |
94 | #define H3600_SCANCODE_DOWN 9 /* 9 -> down */ | 94 | #define H3600_SCANCODE_DOWN 9 /* 9 -> down */ |
95 | 95 | ||
96 | static char *h3600_name = "H3600 TouchScreen"; | 96 | static char *h3600_name = "H3600 TouchScreen"; |
97 | 97 | ||
@@ -113,7 +113,7 @@ struct h3600_dev { | |||
113 | 113 | ||
114 | static irqreturn_t action_button_handler(int irq, void *dev_id, struct pt_regs *regs) | 114 | static irqreturn_t action_button_handler(int irq, void *dev_id, struct pt_regs *regs) |
115 | { | 115 | { |
116 | int down = (GPLR & GPIO_BITSY_ACTION_BUTTON) ? 0 : 1; | 116 | int down = (GPLR & GPIO_BITSY_ACTION_BUTTON) ? 0 : 1; |
117 | struct input_dev *dev = (struct input_dev *) dev_id; | 117 | struct input_dev *dev = (struct input_dev *) dev_id; |
118 | 118 | ||
119 | input_regs(dev, regs); | 119 | input_regs(dev, regs); |
@@ -125,7 +125,7 @@ static irqreturn_t action_button_handler(int irq, void *dev_id, struct pt_regs * | |||
125 | 125 | ||
126 | static irqreturn_t npower_button_handler(int irq, void *dev_id, struct pt_regs *regs) | 126 | static irqreturn_t npower_button_handler(int irq, void *dev_id, struct pt_regs *regs) |
127 | { | 127 | { |
128 | int down = (GPLR & GPIO_BITSY_NPOWER_BUTTON) ? 0 : 1; | 128 | int down = (GPLR & GPIO_BITSY_NPOWER_BUTTON) ? 0 : 1; |
129 | struct input_dev *dev = (struct input_dev *) dev_id; | 129 | struct input_dev *dev = (struct input_dev *) dev_id; |
130 | 130 | ||
131 | /* | 131 | /* |
@@ -145,8 +145,8 @@ static irqreturn_t npower_button_handler(int irq, void *dev_id, struct pt_regs * | |||
145 | static int flite_brightness = 25; | 145 | static int flite_brightness = 25; |
146 | 146 | ||
147 | enum flite_pwr { | 147 | enum flite_pwr { |
148 | FLITE_PWR_OFF = 0, | 148 | FLITE_PWR_OFF = 0, |
149 | FLITE_PWR_ON = 1 | 149 | FLITE_PWR_ON = 1 |
150 | }; | 150 | }; |
151 | 151 | ||
152 | /* | 152 | /* |
@@ -157,9 +157,9 @@ unsigned int h3600_flite_power(struct input_dev *dev, enum flite_pwr pwr) | |||
157 | struct h3600_dev *ts = dev->private; | 157 | struct h3600_dev *ts = dev->private; |
158 | 158 | ||
159 | /* Must be in this order */ | 159 | /* Must be in this order */ |
160 | ts->serio->write(ts->serio, 1); | 160 | ts->serio->write(ts->serio, 1); |
161 | ts->serio->write(ts->serio, pwr); | 161 | ts->serio->write(ts->serio, pwr); |
162 | ts->serio->write(ts->serio, brightness); | 162 | ts->serio->write(ts->serio, brightness); |
163 | return 0; | 163 | return 0; |
164 | } | 164 | } |
165 | 165 | ||
@@ -169,26 +169,26 @@ static int h3600ts_pm_callback(struct pm_dev *pm_dev, pm_request_t req, | |||
169 | { | 169 | { |
170 | struct input_dev *dev = (struct input_dev *) data; | 170 | struct input_dev *dev = (struct input_dev *) data; |
171 | 171 | ||
172 | switch (req) { | 172 | switch (req) { |
173 | case PM_SUSPEND: /* enter D1-D3 */ | 173 | case PM_SUSPEND: /* enter D1-D3 */ |
174 | suspended = 1; | 174 | suspended = 1; |
175 | h3600_flite_power(dev, FLITE_PWR_OFF); | 175 | h3600_flite_power(dev, FLITE_PWR_OFF); |
176 | break; | 176 | break; |
177 | case PM_BLANK: | 177 | case PM_BLANK: |
178 | if (!suspended) | 178 | if (!suspended) |
179 | h3600_flite_power(dev, FLITE_PWR_OFF); | 179 | h3600_flite_power(dev, FLITE_PWR_OFF); |
180 | break; | 180 | break; |
181 | case PM_RESUME: /* enter D0 */ | 181 | case PM_RESUME: /* enter D0 */ |
182 | /* same as unblank */ | 182 | /* same as unblank */ |
183 | case PM_UNBLANK: | 183 | case PM_UNBLANK: |
184 | if (suspended) { | 184 | if (suspended) { |
185 | //initSerial(); | 185 | //initSerial(); |
186 | suspended = 0; | 186 | suspended = 0; |
187 | } | 187 | } |
188 | h3600_flite_power(dev, FLITE_PWR_ON); | 188 | h3600_flite_power(dev, FLITE_PWR_ON); |
189 | break; | 189 | break; |
190 | } | 190 | } |
191 | return 0; | 191 | return 0; |
192 | } | 192 | } |
193 | #endif | 193 | #endif |
194 | 194 | ||
@@ -199,25 +199,25 @@ static int h3600ts_pm_callback(struct pm_dev *pm_dev, pm_request_t req, | |||
199 | */ | 199 | */ |
200 | static void h3600ts_process_packet(struct h3600_dev *ts, struct pt_regs *regs) | 200 | static void h3600ts_process_packet(struct h3600_dev *ts, struct pt_regs *regs) |
201 | { | 201 | { |
202 | struct input_dev *dev = &ts->dev; | 202 | struct input_dev *dev = &ts->dev; |
203 | static int touched = 0; | 203 | static int touched = 0; |
204 | int key, down = 0; | 204 | int key, down = 0; |
205 | 205 | ||
206 | input_regs(dev, regs); | 206 | input_regs(dev, regs); |
207 | 207 | ||
208 | switch (ts->event) { | 208 | switch (ts->event) { |
209 | /* | 209 | /* |
210 | Buttons - returned as a single byte | 210 | Buttons - returned as a single byte |
211 | 7 6 5 4 3 2 1 0 | 211 | 7 6 5 4 3 2 1 0 |
212 | S x x x N N N N | 212 | S x x x N N N N |
213 | 213 | ||
214 | S switch state ( 0=pressed 1=released) | 214 | S switch state ( 0=pressed 1=released) |
215 | x Unused. | 215 | x Unused. |
216 | NNNN switch number 0-15 | 216 | NNNN switch number 0-15 |
217 | 217 | ||
218 | Note: This is true for non interrupt generated key events. | 218 | Note: This is true for non interrupt generated key events. |
219 | */ | 219 | */ |
220 | case KEYBD_ID: | 220 | case KEYBD_ID: |
221 | down = (ts->buf[0] & 0x80) ? 0 : 1; | 221 | down = (ts->buf[0] & 0x80) ? 0 : 1; |
222 | 222 | ||
223 | switch (ts->buf[0] & 0x7f) { | 223 | switch (ts->buf[0] & 0x7f) { |
@@ -229,40 +229,40 @@ static void h3600ts_process_packet(struct h3600_dev *ts, struct pt_regs *regs) | |||
229 | break; | 229 | break; |
230 | case H3600_SCANCODE_CONTACTS: | 230 | case H3600_SCANCODE_CONTACTS: |
231 | key = KEY_PROG2; | 231 | key = KEY_PROG2; |
232 | break; | 232 | break; |
233 | case H3600_SCANCODE_Q: | 233 | case H3600_SCANCODE_Q: |
234 | key = KEY_Q; | 234 | key = KEY_Q; |
235 | break; | 235 | break; |
236 | case H3600_SCANCODE_START: | 236 | case H3600_SCANCODE_START: |
237 | key = KEY_PROG3; | 237 | key = KEY_PROG3; |
238 | break; | 238 | break; |
239 | case H3600_SCANCODE_UP: | 239 | case H3600_SCANCODE_UP: |
240 | key = KEY_UP; | 240 | key = KEY_UP; |
241 | break; | 241 | break; |
242 | case H3600_SCANCODE_RIGHT: | 242 | case H3600_SCANCODE_RIGHT: |
243 | key = KEY_RIGHT; | 243 | key = KEY_RIGHT; |
244 | break; | 244 | break; |
245 | case H3600_SCANCODE_LEFT: | 245 | case H3600_SCANCODE_LEFT: |
246 | key = KEY_LEFT; | 246 | key = KEY_LEFT; |
247 | break; | 247 | break; |
248 | case H3600_SCANCODE_DOWN: | 248 | case H3600_SCANCODE_DOWN: |
249 | key = KEY_DOWN; | 249 | key = KEY_DOWN; |
250 | break; | 250 | break; |
251 | default: | 251 | default: |
252 | key = 0; | 252 | key = 0; |
253 | } | 253 | } |
254 | if (key) | 254 | if (key) |
255 | input_report_key(dev, key, down); | 255 | input_report_key(dev, key, down); |
256 | break; | 256 | break; |
257 | /* | 257 | /* |
258 | * Native touchscreen event data is formatted as shown below:- | 258 | * Native touchscreen event data is formatted as shown below:- |
259 | * | 259 | * |
260 | * +-------+-------+-------+-------+ | 260 | * +-------+-------+-------+-------+ |
261 | * | Xmsb | Xlsb | Ymsb | Ylsb | | 261 | * | Xmsb | Xlsb | Ymsb | Ylsb | |
262 | * +-------+-------+-------+-------+ | 262 | * +-------+-------+-------+-------+ |
263 | * byte 0 1 2 3 | 263 | * byte 0 1 2 3 |
264 | */ | 264 | */ |
265 | case TOUCHS_ID: | 265 | case TOUCHS_ID: |
266 | if (!touched) { | 266 | if (!touched) { |
267 | input_report_key(dev, BTN_TOUCH, 1); | 267 | input_report_key(dev, BTN_TOUCH, 1); |
268 | touched = 1; | 268 | touched = 1; |
@@ -272,19 +272,19 @@ static void h3600ts_process_packet(struct h3600_dev *ts, struct pt_regs *regs) | |||
272 | unsigned short x, y; | 272 | unsigned short x, y; |
273 | 273 | ||
274 | x = ts->buf[0]; x <<= 8; x += ts->buf[1]; | 274 | x = ts->buf[0]; x <<= 8; x += ts->buf[1]; |
275 | y = ts->buf[2]; y <<= 8; y += ts->buf[3]; | 275 | y = ts->buf[2]; y <<= 8; y += ts->buf[3]; |
276 | 276 | ||
277 | input_report_abs(dev, ABS_X, x); | 277 | input_report_abs(dev, ABS_X, x); |
278 | input_report_abs(dev, ABS_Y, y); | 278 | input_report_abs(dev, ABS_Y, y); |
279 | } else { | 279 | } else { |
280 | input_report_key(dev, BTN_TOUCH, 0); | 280 | input_report_key(dev, BTN_TOUCH, 0); |
281 | touched = 0; | 281 | touched = 0; |
282 | } | 282 | } |
283 | break; | 283 | break; |
284 | default: | 284 | default: |
285 | /* Send a non input event elsewhere */ | 285 | /* Send a non input event elsewhere */ |
286 | break; | 286 | break; |
287 | } | 287 | } |
288 | 288 | ||
289 | input_sync(dev); | 289 | input_sync(dev); |
290 | } | 290 | } |
@@ -293,7 +293,7 @@ static void h3600ts_process_packet(struct h3600_dev *ts, struct pt_regs *regs) | |||
293 | * h3600ts_event() handles events from the input module. | 293 | * h3600ts_event() handles events from the input module. |
294 | */ | 294 | */ |
295 | static int h3600ts_event(struct input_dev *dev, unsigned int type, | 295 | static int h3600ts_event(struct input_dev *dev, unsigned int type, |
296 | unsigned int code, int value) | 296 | unsigned int code, int value) |
297 | { | 297 | { |
298 | struct h3600_dev *ts = dev->private; | 298 | struct h3600_dev *ts = dev->private; |
299 | 299 | ||
@@ -332,41 +332,41 @@ static int state; | |||
332 | static irqreturn_t h3600ts_interrupt(struct serio *serio, unsigned char data, | 332 | static irqreturn_t h3600ts_interrupt(struct serio *serio, unsigned char data, |
333 | unsigned int flags, struct pt_regs *regs) | 333 | unsigned int flags, struct pt_regs *regs) |
334 | { | 334 | { |
335 | struct h3600_dev *ts = serio_get_drvdata(serio); | 335 | struct h3600_dev *ts = serio_get_drvdata(serio); |
336 | 336 | ||
337 | /* | 337 | /* |
338 | * We have a new frame coming in. | 338 | * We have a new frame coming in. |
339 | */ | 339 | */ |
340 | switch (state) { | 340 | switch (state) { |
341 | case STATE_SOF: | 341 | case STATE_SOF: |
342 | if (data == CHAR_SOF) | 342 | if (data == CHAR_SOF) |
343 | state = STATE_ID; | 343 | state = STATE_ID; |
344 | break; | 344 | break; |
345 | case STATE_ID: | 345 | case STATE_ID: |
346 | ts->event = (data & 0xf0) >> 4; | 346 | ts->event = (data & 0xf0) >> 4; |
347 | ts->len = (data & 0xf); | 347 | ts->len = (data & 0xf); |
348 | ts->idx = 0; | 348 | ts->idx = 0; |
349 | if (ts->event >= MAX_ID) { | 349 | if (ts->event >= MAX_ID) { |
350 | state = STATE_SOF; | 350 | state = STATE_SOF; |
351 | break; | 351 | break; |
352 | } | 352 | } |
353 | ts->chksum = data; | 353 | ts->chksum = data; |
354 | state = (ts->len > 0) ? STATE_DATA : STATE_EOF; | 354 | state = (ts->len > 0) ? STATE_DATA : STATE_EOF; |
355 | break; | 355 | break; |
356 | case STATE_DATA: | 356 | case STATE_DATA: |
357 | ts->chksum += data; | 357 | ts->chksum += data; |
358 | ts->buf[ts->idx]= data; | 358 | ts->buf[ts->idx]= data; |
359 | if(++ts->idx == ts->len) | 359 | if (++ts->idx == ts->len) |
360 | state = STATE_EOF; | 360 | state = STATE_EOF; |
361 | break; | 361 | break; |
362 | case STATE_EOF: | 362 | case STATE_EOF: |
363 | state = STATE_SOF; | 363 | state = STATE_SOF; |
364 | if (data == CHAR_EOF || data == ts->chksum) | 364 | if (data == CHAR_EOF || data == ts->chksum) |
365 | h3600ts_process_packet(ts, regs); | 365 | h3600ts_process_packet(ts, regs); |
366 | break; | 366 | break; |
367 | default: | 367 | default: |
368 | printk("Error3\n"); | 368 | printk("Error3\n"); |
369 | break; | 369 | break; |
370 | } | 370 | } |
371 | 371 | ||
372 | return IRQ_HANDLED; | 372 | return IRQ_HANDLED; |
@@ -390,10 +390,10 @@ static int h3600ts_connect(struct serio *serio, struct serio_driver *drv) | |||
390 | init_input_dev(&ts->dev); | 390 | init_input_dev(&ts->dev); |
391 | 391 | ||
392 | /* Device specific stuff */ | 392 | /* Device specific stuff */ |
393 | set_GPIO_IRQ_edge(GPIO_BITSY_ACTION_BUTTON, GPIO_BOTH_EDGES); | 393 | set_GPIO_IRQ_edge(GPIO_BITSY_ACTION_BUTTON, GPIO_BOTH_EDGES); |
394 | set_GPIO_IRQ_edge(GPIO_BITSY_NPOWER_BUTTON, GPIO_RISING_EDGE); | 394 | set_GPIO_IRQ_edge(GPIO_BITSY_NPOWER_BUTTON, GPIO_RISING_EDGE); |
395 | 395 | ||
396 | if (request_irq(IRQ_GPIO_BITSY_ACTION_BUTTON, action_button_handler, | 396 | if (request_irq(IRQ_GPIO_BITSY_ACTION_BUTTON, action_button_handler, |
397 | SA_SHIRQ | SA_INTERRUPT | SA_SAMPLE_RANDOM, | 397 | SA_SHIRQ | SA_INTERRUPT | SA_SAMPLE_RANDOM, |
398 | "h3600_action", &ts->dev)) { | 398 | "h3600_action", &ts->dev)) { |
399 | printk(KERN_ERR "h3600ts.c: Could not allocate Action Button IRQ!\n"); | 399 | printk(KERN_ERR "h3600ts.c: Could not allocate Action Button IRQ!\n"); |
@@ -401,7 +401,7 @@ static int h3600ts_connect(struct serio *serio, struct serio_driver *drv) | |||
401 | return -EBUSY; | 401 | return -EBUSY; |
402 | } | 402 | } |
403 | 403 | ||
404 | if (request_irq(IRQ_GPIO_BITSY_NPOWER_BUTTON, npower_button_handler, | 404 | if (request_irq(IRQ_GPIO_BITSY_NPOWER_BUTTON, npower_button_handler, |
405 | SA_SHIRQ | SA_INTERRUPT | SA_SAMPLE_RANDOM, | 405 | SA_SHIRQ | SA_INTERRUPT | SA_SAMPLE_RANDOM, |
406 | "h3600_suspend", &ts->dev)) { | 406 | "h3600_suspend", &ts->dev)) { |
407 | free_irq(IRQ_GPIO_BITSY_ACTION_BUTTON, &ts->dev); | 407 | free_irq(IRQ_GPIO_BITSY_ACTION_BUTTON, &ts->dev); |
@@ -433,7 +433,7 @@ static int h3600ts_connect(struct serio *serio, struct serio_driver *drv) | |||
433 | 433 | ||
434 | sprintf(ts->phys, "%s/input0", serio->phys); | 434 | sprintf(ts->phys, "%s/input0", serio->phys); |
435 | 435 | ||
436 | ts->dev.event = h3600ts_event; | 436 | ts->dev.event = h3600ts_event; |
437 | ts->dev.private = ts; | 437 | ts->dev.private = ts; |
438 | ts->dev.name = h3600_name; | 438 | ts->dev.name = h3600_name; |
439 | ts->dev.phys = ts->phys; | 439 | ts->dev.phys = ts->phys; |
@@ -446,8 +446,8 @@ static int h3600ts_connect(struct serio *serio, struct serio_driver *drv) | |||
446 | 446 | ||
447 | err = serio_open(serio, drv); | 447 | err = serio_open(serio, drv); |
448 | if (err) { | 448 | if (err) { |
449 | free_irq(IRQ_GPIO_BITSY_ACTION_BUTTON, ts); | 449 | free_irq(IRQ_GPIO_BITSY_ACTION_BUTTON, ts); |
450 | free_irq(IRQ_GPIO_BITSY_NPOWER_BUTTON, ts); | 450 | free_irq(IRQ_GPIO_BITSY_NPOWER_BUTTON, ts); |
451 | serio_set_drvdata(serio, NULL); | 451 | serio_set_drvdata(serio, NULL); |
452 | kfree(ts); | 452 | kfree(ts); |
453 | return err; | 453 | return err; |