Commit | Line | Data |
---|---|---|
a4c8aaa5 JH |
1 | /* |
2 | * ams369fg06 AMOLED LCD panel driver. | |
3 | * | |
4 | * Copyright (c) 2011 Samsung Electronics Co., Ltd. | |
5 | * Author: Jingoo Han <jg1.han@samsung.com> | |
6 | * | |
7 | * Derived from drivers/video/s6e63m0.c | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify it | |
10 | * under the terms of the GNU General Public License as published by the | |
11 | * Free Software Foundation; either version 2 of the License, or (at your | |
12 | * option) any later version. | |
a4c8aaa5 JH |
13 | */ |
14 | ||
1a5b1af4 | 15 | #include <linux/backlight.h> |
a4c8aaa5 | 16 | #include <linux/delay.h> |
1a5b1af4 | 17 | #include <linux/fb.h> |
a4c8aaa5 | 18 | #include <linux/gpio.h> |
a4c8aaa5 | 19 | #include <linux/lcd.h> |
1a5b1af4 JH |
20 | #include <linux/module.h> |
21 | #include <linux/spi/spi.h> | |
22 | #include <linux/wait.h> | |
a4c8aaa5 JH |
23 | |
24 | #define SLEEPMSEC 0x1000 | |
25 | #define ENDDEF 0x2000 | |
26 | #define DEFMASK 0xFF00 | |
27 | #define COMMAND_ONLY 0xFE | |
28 | #define DATA_ONLY 0xFF | |
29 | ||
30 | #define MAX_GAMMA_LEVEL 5 | |
31 | #define GAMMA_TABLE_COUNT 21 | |
32 | ||
33 | #define MIN_BRIGHTNESS 0 | |
34 | #define MAX_BRIGHTNESS 255 | |
35 | #define DEFAULT_BRIGHTNESS 150 | |
36 | ||
37 | struct ams369fg06 { | |
38 | struct device *dev; | |
39 | struct spi_device *spi; | |
40 | unsigned int power; | |
41 | struct lcd_device *ld; | |
42 | struct backlight_device *bd; | |
43 | struct lcd_platform_data *lcd_pd; | |
44 | }; | |
45 | ||
46 | static const unsigned short seq_display_on[] = { | |
47 | 0x14, 0x03, | |
48 | ENDDEF, 0x0000 | |
49 | }; | |
50 | ||
51 | static const unsigned short seq_display_off[] = { | |
52 | 0x14, 0x00, | |
53 | ENDDEF, 0x0000 | |
54 | }; | |
55 | ||
56 | static const unsigned short seq_stand_by_on[] = { | |
57 | 0x1D, 0xA1, | |
58 | SLEEPMSEC, 200, | |
59 | ENDDEF, 0x0000 | |
60 | }; | |
61 | ||
62 | static const unsigned short seq_stand_by_off[] = { | |
63 | 0x1D, 0xA0, | |
64 | SLEEPMSEC, 250, | |
65 | ENDDEF, 0x0000 | |
66 | }; | |
67 | ||
68 | static const unsigned short seq_setting[] = { | |
69 | 0x31, 0x08, | |
70 | 0x32, 0x14, | |
71 | 0x30, 0x02, | |
72 | 0x27, 0x01, | |
73 | 0x12, 0x08, | |
74 | 0x13, 0x08, | |
75 | 0x15, 0x00, | |
76 | 0x16, 0x00, | |
77 | ||
78 | 0xef, 0xd0, | |
79 | DATA_ONLY, 0xe8, | |
80 | ||
81 | 0x39, 0x44, | |
82 | 0x40, 0x00, | |
83 | 0x41, 0x3f, | |
84 | 0x42, 0x2a, | |
85 | 0x43, 0x27, | |
86 | 0x44, 0x27, | |
87 | 0x45, 0x1f, | |
88 | 0x46, 0x44, | |
89 | 0x50, 0x00, | |
90 | 0x51, 0x00, | |
91 | 0x52, 0x17, | |
92 | 0x53, 0x24, | |
93 | 0x54, 0x26, | |
94 | 0x55, 0x1f, | |
95 | 0x56, 0x43, | |
96 | 0x60, 0x00, | |
97 | 0x61, 0x3f, | |
98 | 0x62, 0x2a, | |
99 | 0x63, 0x25, | |
100 | 0x64, 0x24, | |
101 | 0x65, 0x1b, | |
102 | 0x66, 0x5c, | |
103 | ||
104 | 0x17, 0x22, | |
105 | 0x18, 0x33, | |
106 | 0x19, 0x03, | |
107 | 0x1a, 0x01, | |
108 | 0x22, 0xa4, | |
109 | 0x23, 0x00, | |
110 | 0x26, 0xa0, | |
111 | ||
112 | 0x1d, 0xa0, | |
113 | SLEEPMSEC, 300, | |
114 | ||
115 | 0x14, 0x03, | |
116 | ||
117 | ENDDEF, 0x0000 | |
118 | }; | |
119 | ||
120 | /* gamma value: 2.2 */ | |
121 | static const unsigned int ams369fg06_22_250[] = { | |
122 | 0x00, 0x3f, 0x2a, 0x27, 0x27, 0x1f, 0x44, | |
123 | 0x00, 0x00, 0x17, 0x24, 0x26, 0x1f, 0x43, | |
124 | 0x00, 0x3f, 0x2a, 0x25, 0x24, 0x1b, 0x5c, | |
125 | }; | |
126 | ||
127 | static const unsigned int ams369fg06_22_200[] = { | |
128 | 0x00, 0x3f, 0x28, 0x29, 0x27, 0x21, 0x3e, | |
129 | 0x00, 0x00, 0x10, 0x25, 0x27, 0x20, 0x3d, | |
130 | 0x00, 0x3f, 0x28, 0x27, 0x25, 0x1d, 0x53, | |
131 | }; | |
132 | ||
133 | static const unsigned int ams369fg06_22_150[] = { | |
134 | 0x00, 0x3f, 0x2d, 0x29, 0x28, 0x23, 0x37, | |
135 | 0x00, 0x00, 0x0b, 0x25, 0x28, 0x22, 0x36, | |
136 | 0x00, 0x3f, 0x2b, 0x28, 0x26, 0x1f, 0x4a, | |
137 | }; | |
138 | ||
139 | static const unsigned int ams369fg06_22_100[] = { | |
140 | 0x00, 0x3f, 0x30, 0x2a, 0x2b, 0x24, 0x2f, | |
141 | 0x00, 0x00, 0x00, 0x25, 0x29, 0x24, 0x2e, | |
142 | 0x00, 0x3f, 0x2f, 0x29, 0x29, 0x21, 0x3f, | |
143 | }; | |
144 | ||
145 | static const unsigned int ams369fg06_22_50[] = { | |
146 | 0x00, 0x3f, 0x3c, 0x2c, 0x2d, 0x27, 0x24, | |
147 | 0x00, 0x00, 0x00, 0x22, 0x2a, 0x27, 0x23, | |
148 | 0x00, 0x3f, 0x3b, 0x2c, 0x2b, 0x24, 0x31, | |
149 | }; | |
150 | ||
151 | struct ams369fg06_gamma { | |
152 | unsigned int *gamma_22_table[MAX_GAMMA_LEVEL]; | |
153 | }; | |
154 | ||
155 | static struct ams369fg06_gamma gamma_table = { | |
156 | .gamma_22_table[0] = (unsigned int *)&ams369fg06_22_50, | |
157 | .gamma_22_table[1] = (unsigned int *)&ams369fg06_22_100, | |
158 | .gamma_22_table[2] = (unsigned int *)&ams369fg06_22_150, | |
159 | .gamma_22_table[3] = (unsigned int *)&ams369fg06_22_200, | |
160 | .gamma_22_table[4] = (unsigned int *)&ams369fg06_22_250, | |
161 | }; | |
162 | ||
163 | static int ams369fg06_spi_write_byte(struct ams369fg06 *lcd, int addr, int data) | |
164 | { | |
165 | u16 buf[1]; | |
166 | struct spi_message msg; | |
167 | ||
168 | struct spi_transfer xfer = { | |
169 | .len = 2, | |
170 | .tx_buf = buf, | |
171 | }; | |
172 | ||
173 | buf[0] = (addr << 8) | data; | |
174 | ||
175 | spi_message_init(&msg); | |
176 | spi_message_add_tail(&xfer, &msg); | |
177 | ||
178 | return spi_sync(lcd->spi, &msg); | |
179 | } | |
180 | ||
181 | static int ams369fg06_spi_write(struct ams369fg06 *lcd, unsigned char address, | |
182 | unsigned char command) | |
183 | { | |
184 | int ret = 0; | |
185 | ||
186 | if (address != DATA_ONLY) | |
187 | ret = ams369fg06_spi_write_byte(lcd, 0x70, address); | |
188 | if (command != COMMAND_ONLY) | |
189 | ret = ams369fg06_spi_write_byte(lcd, 0x72, command); | |
190 | ||
191 | return ret; | |
192 | } | |
193 | ||
194 | static int ams369fg06_panel_send_sequence(struct ams369fg06 *lcd, | |
195 | const unsigned short *wbuf) | |
196 | { | |
197 | int ret = 0, i = 0; | |
198 | ||
199 | while ((wbuf[i] & DEFMASK) != ENDDEF) { | |
200 | if ((wbuf[i] & DEFMASK) != SLEEPMSEC) { | |
201 | ret = ams369fg06_spi_write(lcd, wbuf[i], wbuf[i+1]); | |
202 | if (ret) | |
203 | break; | |
51976436 JH |
204 | } else { |
205 | msleep(wbuf[i+1]); | |
206 | } | |
a4c8aaa5 JH |
207 | i += 2; |
208 | } | |
209 | ||
210 | return ret; | |
211 | } | |
212 | ||
213 | static int _ams369fg06_gamma_ctl(struct ams369fg06 *lcd, | |
214 | const unsigned int *gamma) | |
215 | { | |
216 | unsigned int i = 0; | |
217 | int ret = 0; | |
218 | ||
219 | for (i = 0 ; i < GAMMA_TABLE_COUNT / 3; i++) { | |
220 | ret = ams369fg06_spi_write(lcd, 0x40 + i, gamma[i]); | |
221 | ret = ams369fg06_spi_write(lcd, 0x50 + i, gamma[i+7*1]); | |
222 | ret = ams369fg06_spi_write(lcd, 0x60 + i, gamma[i+7*2]); | |
223 | if (ret) { | |
224 | dev_err(lcd->dev, "failed to set gamma table.\n"); | |
225 | goto gamma_err; | |
226 | } | |
227 | } | |
228 | ||
229 | gamma_err: | |
230 | return ret; | |
231 | } | |
232 | ||
233 | static int ams369fg06_gamma_ctl(struct ams369fg06 *lcd, int brightness) | |
234 | { | |
235 | int ret = 0; | |
236 | int gamma = 0; | |
237 | ||
238 | if ((brightness >= 0) && (brightness <= 50)) | |
239 | gamma = 0; | |
240 | else if ((brightness > 50) && (brightness <= 100)) | |
241 | gamma = 1; | |
242 | else if ((brightness > 100) && (brightness <= 150)) | |
243 | gamma = 2; | |
244 | else if ((brightness > 150) && (brightness <= 200)) | |
245 | gamma = 3; | |
246 | else if ((brightness > 200) && (brightness <= 255)) | |
247 | gamma = 4; | |
248 | ||
249 | ret = _ams369fg06_gamma_ctl(lcd, gamma_table.gamma_22_table[gamma]); | |
250 | ||
251 | return ret; | |
252 | } | |
253 | ||
254 | static int ams369fg06_ldi_init(struct ams369fg06 *lcd) | |
255 | { | |
256 | int ret, i; | |
257 | static const unsigned short *init_seq[] = { | |
258 | seq_setting, | |
259 | seq_stand_by_off, | |
260 | }; | |
261 | ||
262 | for (i = 0; i < ARRAY_SIZE(init_seq); i++) { | |
263 | ret = ams369fg06_panel_send_sequence(lcd, init_seq[i]); | |
264 | if (ret) | |
265 | break; | |
266 | } | |
267 | ||
268 | return ret; | |
269 | } | |
270 | ||
271 | static int ams369fg06_ldi_enable(struct ams369fg06 *lcd) | |
272 | { | |
273 | int ret, i; | |
274 | static const unsigned short *init_seq[] = { | |
275 | seq_stand_by_off, | |
276 | seq_display_on, | |
277 | }; | |
278 | ||
279 | for (i = 0; i < ARRAY_SIZE(init_seq); i++) { | |
280 | ret = ams369fg06_panel_send_sequence(lcd, init_seq[i]); | |
281 | if (ret) | |
282 | break; | |
283 | } | |
284 | ||
285 | return ret; | |
286 | } | |
287 | ||
288 | static int ams369fg06_ldi_disable(struct ams369fg06 *lcd) | |
289 | { | |
290 | int ret, i; | |
291 | ||
292 | static const unsigned short *init_seq[] = { | |
293 | seq_display_off, | |
294 | seq_stand_by_on, | |
295 | }; | |
296 | ||
297 | for (i = 0; i < ARRAY_SIZE(init_seq); i++) { | |
298 | ret = ams369fg06_panel_send_sequence(lcd, init_seq[i]); | |
299 | if (ret) | |
300 | break; | |
301 | } | |
302 | ||
303 | return ret; | |
304 | } | |
305 | ||
306 | static int ams369fg06_power_is_on(int power) | |
307 | { | |
66ecc11d | 308 | return power <= FB_BLANK_NORMAL; |
a4c8aaa5 JH |
309 | } |
310 | ||
311 | static int ams369fg06_power_on(struct ams369fg06 *lcd) | |
312 | { | |
313 | int ret = 0; | |
66ecc11d JH |
314 | struct lcd_platform_data *pd; |
315 | struct backlight_device *bd; | |
a4c8aaa5 JH |
316 | |
317 | pd = lcd->lcd_pd; | |
a4c8aaa5 | 318 | bd = lcd->bd; |
a4c8aaa5 | 319 | |
f7a3c997 | 320 | if (pd->power_on) { |
a4c8aaa5 | 321 | pd->power_on(lcd->ld, 1); |
51976436 | 322 | msleep(pd->power_on_delay); |
a4c8aaa5 JH |
323 | } |
324 | ||
325 | if (!pd->reset) { | |
326 | dev_err(lcd->dev, "reset is NULL.\n"); | |
1d7976b2 | 327 | return -EINVAL; |
a4c8aaa5 JH |
328 | } |
329 | ||
5b0d6e19 JH |
330 | pd->reset(lcd->ld); |
331 | msleep(pd->reset_delay); | |
332 | ||
a4c8aaa5 JH |
333 | ret = ams369fg06_ldi_init(lcd); |
334 | if (ret) { | |
335 | dev_err(lcd->dev, "failed to initialize ldi.\n"); | |
336 | return ret; | |
337 | } | |
338 | ||
339 | ret = ams369fg06_ldi_enable(lcd); | |
340 | if (ret) { | |
341 | dev_err(lcd->dev, "failed to enable ldi.\n"); | |
342 | return ret; | |
343 | } | |
344 | ||
345 | /* set brightness to current value after power on or resume. */ | |
346 | ret = ams369fg06_gamma_ctl(lcd, bd->props.brightness); | |
347 | if (ret) { | |
348 | dev_err(lcd->dev, "lcd gamma setting failed.\n"); | |
349 | return ret; | |
350 | } | |
351 | ||
352 | return 0; | |
353 | } | |
354 | ||
355 | static int ams369fg06_power_off(struct ams369fg06 *lcd) | |
356 | { | |
66ecc11d JH |
357 | int ret; |
358 | struct lcd_platform_data *pd; | |
a4c8aaa5 JH |
359 | |
360 | pd = lcd->lcd_pd; | |
a4c8aaa5 JH |
361 | |
362 | ret = ams369fg06_ldi_disable(lcd); | |
363 | if (ret) { | |
364 | dev_err(lcd->dev, "lcd setting failed.\n"); | |
365 | return -EIO; | |
366 | } | |
367 | ||
51976436 | 368 | msleep(pd->power_off_delay); |
a4c8aaa5 | 369 | |
f7a3c997 JH |
370 | if (pd->power_on) |
371 | pd->power_on(lcd->ld, 0); | |
a4c8aaa5 JH |
372 | |
373 | return 0; | |
374 | } | |
375 | ||
376 | static int ams369fg06_power(struct ams369fg06 *lcd, int power) | |
377 | { | |
378 | int ret = 0; | |
379 | ||
380 | if (ams369fg06_power_is_on(power) && | |
381 | !ams369fg06_power_is_on(lcd->power)) | |
382 | ret = ams369fg06_power_on(lcd); | |
383 | else if (!ams369fg06_power_is_on(power) && | |
384 | ams369fg06_power_is_on(lcd->power)) | |
385 | ret = ams369fg06_power_off(lcd); | |
386 | ||
387 | if (!ret) | |
388 | lcd->power = power; | |
389 | ||
390 | return ret; | |
391 | } | |
392 | ||
393 | static int ams369fg06_get_power(struct lcd_device *ld) | |
394 | { | |
395 | struct ams369fg06 *lcd = lcd_get_data(ld); | |
396 | ||
397 | return lcd->power; | |
398 | } | |
399 | ||
400 | static int ams369fg06_set_power(struct lcd_device *ld, int power) | |
401 | { | |
402 | struct ams369fg06 *lcd = lcd_get_data(ld); | |
403 | ||
404 | if (power != FB_BLANK_UNBLANK && power != FB_BLANK_POWERDOWN && | |
405 | power != FB_BLANK_NORMAL) { | |
406 | dev_err(lcd->dev, "power value should be 0, 1 or 4.\n"); | |
407 | return -EINVAL; | |
408 | } | |
409 | ||
410 | return ams369fg06_power(lcd, power); | |
411 | } | |
412 | ||
a4c8aaa5 JH |
413 | static int ams369fg06_set_brightness(struct backlight_device *bd) |
414 | { | |
415 | int ret = 0; | |
416 | int brightness = bd->props.brightness; | |
232f5a00 | 417 | struct ams369fg06 *lcd = bl_get_data(bd); |
a4c8aaa5 JH |
418 | |
419 | if (brightness < MIN_BRIGHTNESS || | |
420 | brightness > bd->props.max_brightness) { | |
421 | dev_err(&bd->dev, "lcd brightness should be %d to %d.\n", | |
422 | MIN_BRIGHTNESS, MAX_BRIGHTNESS); | |
423 | return -EINVAL; | |
424 | } | |
425 | ||
426 | ret = ams369fg06_gamma_ctl(lcd, bd->props.brightness); | |
427 | if (ret) { | |
428 | dev_err(&bd->dev, "lcd brightness setting failed.\n"); | |
429 | return -EIO; | |
430 | } | |
431 | ||
432 | return ret; | |
433 | } | |
434 | ||
435 | static struct lcd_ops ams369fg06_lcd_ops = { | |
436 | .get_power = ams369fg06_get_power, | |
437 | .set_power = ams369fg06_set_power, | |
438 | }; | |
439 | ||
440 | static const struct backlight_ops ams369fg06_backlight_ops = { | |
a4c8aaa5 JH |
441 | .update_status = ams369fg06_set_brightness, |
442 | }; | |
443 | ||
1b9e450d | 444 | static int ams369fg06_probe(struct spi_device *spi) |
a4c8aaa5 JH |
445 | { |
446 | int ret = 0; | |
447 | struct ams369fg06 *lcd = NULL; | |
448 | struct lcd_device *ld = NULL; | |
449 | struct backlight_device *bd = NULL; | |
ef22f6a7 | 450 | struct backlight_properties props; |
a4c8aaa5 | 451 | |
80629efc | 452 | lcd = devm_kzalloc(&spi->dev, sizeof(struct ams369fg06), GFP_KERNEL); |
a4c8aaa5 JH |
453 | if (!lcd) |
454 | return -ENOMEM; | |
455 | ||
456 | /* ams369fg06 lcd panel uses 3-wire 16bits SPI Mode. */ | |
457 | spi->bits_per_word = 16; | |
458 | ||
459 | ret = spi_setup(spi); | |
460 | if (ret < 0) { | |
461 | dev_err(&spi->dev, "spi setup failed.\n"); | |
80629efc | 462 | return ret; |
a4c8aaa5 JH |
463 | } |
464 | ||
465 | lcd->spi = spi; | |
466 | lcd->dev = &spi->dev; | |
467 | ||
c512794c | 468 | lcd->lcd_pd = dev_get_platdata(&spi->dev); |
a4c8aaa5 JH |
469 | if (!lcd->lcd_pd) { |
470 | dev_err(&spi->dev, "platform data is NULL\n"); | |
1d7976b2 | 471 | return -EINVAL; |
a4c8aaa5 JH |
472 | } |
473 | ||
ebc41e43 JH |
474 | ld = devm_lcd_device_register(&spi->dev, "ams369fg06", &spi->dev, lcd, |
475 | &ams369fg06_lcd_ops); | |
80629efc JH |
476 | if (IS_ERR(ld)) |
477 | return PTR_ERR(ld); | |
a4c8aaa5 JH |
478 | |
479 | lcd->ld = ld; | |
480 | ||
ef22f6a7 AL |
481 | memset(&props, 0, sizeof(struct backlight_properties)); |
482 | props.type = BACKLIGHT_RAW; | |
483 | props.max_brightness = MAX_BRIGHTNESS; | |
484 | ||
ebc41e43 JH |
485 | bd = devm_backlight_device_register(&spi->dev, "ams369fg06-bl", |
486 | &spi->dev, lcd, | |
487 | &ams369fg06_backlight_ops, &props); | |
488 | if (IS_ERR(bd)) | |
489 | return PTR_ERR(bd); | |
a4c8aaa5 | 490 | |
a4c8aaa5 | 491 | bd->props.brightness = DEFAULT_BRIGHTNESS; |
a4c8aaa5 JH |
492 | lcd->bd = bd; |
493 | ||
494 | if (!lcd->lcd_pd->lcd_enabled) { | |
495 | /* | |
496 | * if lcd panel was off from bootloader then | |
497 | * current lcd status is powerdown and then | |
498 | * it enables lcd panel. | |
499 | */ | |
500 | lcd->power = FB_BLANK_POWERDOWN; | |
501 | ||
502 | ams369fg06_power(lcd, FB_BLANK_UNBLANK); | |
66ecc11d | 503 | } else { |
a4c8aaa5 | 504 | lcd->power = FB_BLANK_UNBLANK; |
66ecc11d | 505 | } |
a4c8aaa5 | 506 | |
c7855f15 | 507 | spi_set_drvdata(spi, lcd); |
a4c8aaa5 JH |
508 | |
509 | dev_info(&spi->dev, "ams369fg06 panel driver has been probed.\n"); | |
510 | ||
511 | return 0; | |
a4c8aaa5 JH |
512 | } |
513 | ||
7e4b9d0b | 514 | static int ams369fg06_remove(struct spi_device *spi) |
a4c8aaa5 | 515 | { |
c7855f15 | 516 | struct ams369fg06 *lcd = spi_get_drvdata(spi); |
a4c8aaa5 JH |
517 | |
518 | ams369fg06_power(lcd, FB_BLANK_POWERDOWN); | |
a4c8aaa5 JH |
519 | return 0; |
520 | } | |
521 | ||
ba3601a9 JH |
522 | #ifdef CONFIG_PM_SLEEP |
523 | static int ams369fg06_suspend(struct device *dev) | |
a4c8aaa5 | 524 | { |
ba3601a9 | 525 | struct ams369fg06 *lcd = dev_get_drvdata(dev); |
a4c8aaa5 | 526 | |
ba3601a9 | 527 | dev_dbg(dev, "lcd->power = %d\n", lcd->power); |
a4c8aaa5 | 528 | |
a4c8aaa5 JH |
529 | /* |
530 | * when lcd panel is suspend, lcd panel becomes off | |
531 | * regardless of status. | |
532 | */ | |
c9023492 | 533 | return ams369fg06_power(lcd, FB_BLANK_POWERDOWN); |
a4c8aaa5 JH |
534 | } |
535 | ||
ba3601a9 | 536 | static int ams369fg06_resume(struct device *dev) |
a4c8aaa5 | 537 | { |
ba3601a9 | 538 | struct ams369fg06 *lcd = dev_get_drvdata(dev); |
a4c8aaa5 | 539 | |
c9023492 | 540 | lcd->power = FB_BLANK_POWERDOWN; |
a4c8aaa5 | 541 | |
c9023492 | 542 | return ams369fg06_power(lcd, FB_BLANK_UNBLANK); |
a4c8aaa5 | 543 | } |
a4c8aaa5 JH |
544 | #endif |
545 | ||
ba3601a9 JH |
546 | static SIMPLE_DEV_PM_OPS(ams369fg06_pm_ops, ams369fg06_suspend, |
547 | ams369fg06_resume); | |
548 | ||
a4c8aaa5 JH |
549 | static void ams369fg06_shutdown(struct spi_device *spi) |
550 | { | |
c7855f15 | 551 | struct ams369fg06 *lcd = spi_get_drvdata(spi); |
a4c8aaa5 JH |
552 | |
553 | ams369fg06_power(lcd, FB_BLANK_POWERDOWN); | |
554 | } | |
555 | ||
556 | static struct spi_driver ams369fg06_driver = { | |
557 | .driver = { | |
558 | .name = "ams369fg06", | |
ba3601a9 | 559 | .pm = &ams369fg06_pm_ops, |
a4c8aaa5 JH |
560 | }, |
561 | .probe = ams369fg06_probe, | |
d1723fa2 | 562 | .remove = ams369fg06_remove, |
a4c8aaa5 | 563 | .shutdown = ams369fg06_shutdown, |
a4c8aaa5 JH |
564 | }; |
565 | ||
462dd838 | 566 | module_spi_driver(ams369fg06_driver); |
a4c8aaa5 JH |
567 | |
568 | MODULE_AUTHOR("Jingoo Han <jg1.han@samsung.com>"); | |
569 | MODULE_DESCRIPTION("ams369fg06 LCD Driver"); | |
570 | MODULE_LICENSE("GPL"); |