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66d2f99d ID |
1 | /* |
2 | * LCD driver for MIPI DBI-C / DCS compatible LCDs | |
3 | * | |
4 | * Copyright (C) 2006 Nokia Corporation | |
5 | * Author: Imre Deak <imre.deak@nokia.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2 of the License, or (at your | |
10 | * option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License along | |
18 | * with this program; if not, write to the Free Software Foundation, Inc., | |
19 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
20 | */ | |
21 | #include <linux/device.h> | |
22 | #include <linux/delay.h> | |
5a0e3ad6 | 23 | #include <linux/slab.h> |
66d2f99d ID |
24 | #include <linux/workqueue.h> |
25 | #include <linux/spi/spi.h> | |
355b200b | 26 | #include <linux/module.h> |
66d2f99d | 27 | |
2203747c | 28 | #include <linux/platform_data/lcd-mipid.h> |
66d2f99d | 29 | |
91773a00 TV |
30 | #include "omapfb.h" |
31 | ||
66d2f99d ID |
32 | #define MIPID_MODULE_NAME "lcd_mipid" |
33 | ||
34 | #define MIPID_CMD_READ_DISP_ID 0x04 | |
35 | #define MIPID_CMD_READ_RED 0x06 | |
36 | #define MIPID_CMD_READ_GREEN 0x07 | |
37 | #define MIPID_CMD_READ_BLUE 0x08 | |
38 | #define MIPID_CMD_READ_DISP_STATUS 0x09 | |
39 | #define MIPID_CMD_RDDSDR 0x0F | |
40 | #define MIPID_CMD_SLEEP_IN 0x10 | |
41 | #define MIPID_CMD_SLEEP_OUT 0x11 | |
42 | #define MIPID_CMD_DISP_OFF 0x28 | |
43 | #define MIPID_CMD_DISP_ON 0x29 | |
44 | ||
45 | #define MIPID_ESD_CHECK_PERIOD msecs_to_jiffies(5000) | |
46 | ||
47 | #define to_mipid_device(p) container_of(p, struct mipid_device, \ | |
48 | panel) | |
49 | struct mipid_device { | |
50 | int enabled; | |
51 | int revision; | |
52 | unsigned int saved_bklight_level; | |
53 | unsigned long hw_guard_end; /* next value of jiffies | |
54 | when we can issue the | |
55 | next sleep in/out command */ | |
56 | unsigned long hw_guard_wait; /* max guard time in jiffies */ | |
57 | ||
58 | struct omapfb_device *fbdev; | |
59 | struct spi_device *spi; | |
60 | struct mutex mutex; | |
61 | struct lcd_panel panel; | |
62 | ||
63 | struct workqueue_struct *esd_wq; | |
64 | struct delayed_work esd_work; | |
65 | void (*esd_check)(struct mipid_device *m); | |
66 | }; | |
67 | ||
68 | static void mipid_transfer(struct mipid_device *md, int cmd, const u8 *wbuf, | |
69 | int wlen, u8 *rbuf, int rlen) | |
70 | { | |
71 | struct spi_message m; | |
72 | struct spi_transfer *x, xfer[4]; | |
73 | u16 w; | |
74 | int r; | |
75 | ||
76 | BUG_ON(md->spi == NULL); | |
77 | ||
78 | spi_message_init(&m); | |
79 | ||
80 | memset(xfer, 0, sizeof(xfer)); | |
81 | x = &xfer[0]; | |
82 | ||
83 | cmd &= 0xff; | |
84 | x->tx_buf = &cmd; | |
85 | x->bits_per_word = 9; | |
86 | x->len = 2; | |
87 | spi_message_add_tail(x, &m); | |
88 | ||
89 | if (wlen) { | |
90 | x++; | |
91 | x->tx_buf = wbuf; | |
92 | x->len = wlen; | |
93 | x->bits_per_word = 9; | |
94 | spi_message_add_tail(x, &m); | |
95 | } | |
96 | ||
97 | if (rlen) { | |
98 | x++; | |
99 | x->rx_buf = &w; | |
100 | x->len = 1; | |
101 | spi_message_add_tail(x, &m); | |
102 | ||
103 | if (rlen > 1) { | |
104 | /* Arrange for the extra clock before the first | |
105 | * data bit. | |
106 | */ | |
107 | x->bits_per_word = 9; | |
108 | x->len = 2; | |
109 | ||
110 | x++; | |
111 | x->rx_buf = &rbuf[1]; | |
112 | x->len = rlen - 1; | |
113 | spi_message_add_tail(x, &m); | |
114 | } | |
115 | } | |
116 | ||
117 | r = spi_sync(md->spi, &m); | |
118 | if (r < 0) | |
119 | dev_dbg(&md->spi->dev, "spi_sync %d\n", r); | |
120 | ||
121 | if (rlen) | |
122 | rbuf[0] = w & 0xff; | |
123 | } | |
124 | ||
125 | static inline void mipid_cmd(struct mipid_device *md, int cmd) | |
126 | { | |
127 | mipid_transfer(md, cmd, NULL, 0, NULL, 0); | |
128 | } | |
129 | ||
130 | static inline void mipid_write(struct mipid_device *md, | |
131 | int reg, const u8 *buf, int len) | |
132 | { | |
133 | mipid_transfer(md, reg, buf, len, NULL, 0); | |
134 | } | |
135 | ||
136 | static inline void mipid_read(struct mipid_device *md, | |
137 | int reg, u8 *buf, int len) | |
138 | { | |
139 | mipid_transfer(md, reg, NULL, 0, buf, len); | |
140 | } | |
141 | ||
142 | static void set_data_lines(struct mipid_device *md, int data_lines) | |
143 | { | |
144 | u16 par; | |
145 | ||
146 | switch (data_lines) { | |
147 | case 16: | |
148 | par = 0x150; | |
149 | break; | |
150 | case 18: | |
151 | par = 0x160; | |
152 | break; | |
153 | case 24: | |
154 | par = 0x170; | |
155 | break; | |
156 | } | |
157 | mipid_write(md, 0x3a, (u8 *)&par, 2); | |
158 | } | |
159 | ||
160 | static void send_init_string(struct mipid_device *md) | |
161 | { | |
162 | u16 initpar[] = { 0x0102, 0x0100, 0x0100 }; | |
163 | ||
164 | mipid_write(md, 0xc2, (u8 *)initpar, sizeof(initpar)); | |
165 | set_data_lines(md, md->panel.data_lines); | |
166 | } | |
167 | ||
168 | static void hw_guard_start(struct mipid_device *md, int guard_msec) | |
169 | { | |
170 | md->hw_guard_wait = msecs_to_jiffies(guard_msec); | |
171 | md->hw_guard_end = jiffies + md->hw_guard_wait; | |
172 | } | |
173 | ||
174 | static void hw_guard_wait(struct mipid_device *md) | |
175 | { | |
176 | unsigned long wait = md->hw_guard_end - jiffies; | |
177 | ||
178 | if ((long)wait > 0 && wait <= md->hw_guard_wait) { | |
179 | set_current_state(TASK_UNINTERRUPTIBLE); | |
180 | schedule_timeout(wait); | |
181 | } | |
182 | } | |
183 | ||
184 | static void set_sleep_mode(struct mipid_device *md, int on) | |
185 | { | |
186 | int cmd, sleep_time = 50; | |
187 | ||
188 | if (on) | |
189 | cmd = MIPID_CMD_SLEEP_IN; | |
190 | else | |
191 | cmd = MIPID_CMD_SLEEP_OUT; | |
192 | hw_guard_wait(md); | |
193 | mipid_cmd(md, cmd); | |
194 | hw_guard_start(md, 120); | |
195 | /* | |
196 | * When we enable the panel, it seems we _have_ to sleep | |
197 | * 120 ms before sending the init string. When disabling the | |
198 | * panel we'll sleep for the duration of 2 frames, so that the | |
199 | * controller can still provide the PCLK,HS,VS signals. | |
200 | */ | |
201 | if (!on) | |
202 | sleep_time = 120; | |
203 | msleep(sleep_time); | |
204 | } | |
205 | ||
206 | static void set_display_state(struct mipid_device *md, int enabled) | |
207 | { | |
208 | int cmd = enabled ? MIPID_CMD_DISP_ON : MIPID_CMD_DISP_OFF; | |
209 | ||
210 | mipid_cmd(md, cmd); | |
211 | } | |
212 | ||
213 | static int mipid_set_bklight_level(struct lcd_panel *panel, unsigned int level) | |
214 | { | |
215 | struct mipid_device *md = to_mipid_device(panel); | |
216 | struct mipid_platform_data *pd = md->spi->dev.platform_data; | |
217 | ||
218 | if (pd->get_bklight_max == NULL || pd->set_bklight_level == NULL) | |
219 | return -ENODEV; | |
220 | if (level > pd->get_bklight_max(pd)) | |
221 | return -EINVAL; | |
222 | if (!md->enabled) { | |
223 | md->saved_bklight_level = level; | |
224 | return 0; | |
225 | } | |
226 | pd->set_bklight_level(pd, level); | |
227 | ||
228 | return 0; | |
229 | } | |
230 | ||
231 | static unsigned int mipid_get_bklight_level(struct lcd_panel *panel) | |
232 | { | |
233 | struct mipid_device *md = to_mipid_device(panel); | |
234 | struct mipid_platform_data *pd = md->spi->dev.platform_data; | |
235 | ||
236 | if (pd->get_bklight_level == NULL) | |
237 | return -ENODEV; | |
238 | return pd->get_bklight_level(pd); | |
239 | } | |
240 | ||
241 | static unsigned int mipid_get_bklight_max(struct lcd_panel *panel) | |
242 | { | |
243 | struct mipid_device *md = to_mipid_device(panel); | |
244 | struct mipid_platform_data *pd = md->spi->dev.platform_data; | |
245 | ||
246 | if (pd->get_bklight_max == NULL) | |
247 | return -ENODEV; | |
248 | ||
249 | return pd->get_bklight_max(pd); | |
250 | } | |
251 | ||
252 | static unsigned long mipid_get_caps(struct lcd_panel *panel) | |
253 | { | |
254 | return OMAPFB_CAPS_SET_BACKLIGHT; | |
255 | } | |
256 | ||
257 | static u16 read_first_pixel(struct mipid_device *md) | |
258 | { | |
259 | u16 pixel; | |
260 | u8 red, green, blue; | |
261 | ||
262 | mutex_lock(&md->mutex); | |
263 | mipid_read(md, MIPID_CMD_READ_RED, &red, 1); | |
264 | mipid_read(md, MIPID_CMD_READ_GREEN, &green, 1); | |
265 | mipid_read(md, MIPID_CMD_READ_BLUE, &blue, 1); | |
266 | mutex_unlock(&md->mutex); | |
267 | ||
268 | switch (md->panel.data_lines) { | |
269 | case 16: | |
270 | pixel = ((red >> 1) << 11) | (green << 5) | (blue >> 1); | |
271 | break; | |
272 | case 24: | |
273 | /* 24 bit -> 16 bit */ | |
274 | pixel = ((red >> 3) << 11) | ((green >> 2) << 5) | | |
275 | (blue >> 3); | |
276 | break; | |
277 | default: | |
278 | pixel = 0; | |
279 | BUG(); | |
280 | } | |
281 | ||
282 | return pixel; | |
283 | } | |
284 | ||
285 | static int mipid_run_test(struct lcd_panel *panel, int test_num) | |
286 | { | |
287 | struct mipid_device *md = to_mipid_device(panel); | |
288 | static const u16 test_values[4] = { | |
289 | 0x0000, 0xffff, 0xaaaa, 0x5555, | |
290 | }; | |
291 | int i; | |
292 | ||
293 | if (test_num != MIPID_TEST_RGB_LINES) | |
294 | return MIPID_TEST_INVALID; | |
295 | ||
296 | for (i = 0; i < ARRAY_SIZE(test_values); i++) { | |
297 | int delay; | |
298 | unsigned long tmo; | |
299 | ||
300 | omapfb_write_first_pixel(md->fbdev, test_values[i]); | |
301 | tmo = jiffies + msecs_to_jiffies(100); | |
302 | delay = 25; | |
303 | while (1) { | |
304 | u16 pixel; | |
305 | ||
306 | msleep(delay); | |
307 | pixel = read_first_pixel(md); | |
308 | if (pixel == test_values[i]) | |
309 | break; | |
310 | if (time_after(jiffies, tmo)) { | |
311 | dev_err(&md->spi->dev, | |
312 | "MIPI LCD RGB I/F test failed: " | |
313 | "expecting %04x, got %04x\n", | |
314 | test_values[i], pixel); | |
315 | return MIPID_TEST_FAILED; | |
316 | } | |
317 | delay = 10; | |
318 | } | |
319 | } | |
320 | ||
321 | return 0; | |
322 | } | |
323 | ||
324 | static void ls041y3_esd_recover(struct mipid_device *md) | |
325 | { | |
326 | dev_err(&md->spi->dev, "performing LCD ESD recovery\n"); | |
327 | set_sleep_mode(md, 1); | |
328 | set_sleep_mode(md, 0); | |
329 | } | |
330 | ||
331 | static void ls041y3_esd_check_mode1(struct mipid_device *md) | |
332 | { | |
333 | u8 state1, state2; | |
334 | ||
335 | mipid_read(md, MIPID_CMD_RDDSDR, &state1, 1); | |
336 | set_sleep_mode(md, 0); | |
337 | mipid_read(md, MIPID_CMD_RDDSDR, &state2, 1); | |
338 | dev_dbg(&md->spi->dev, "ESD mode 1 state1 %02x state2 %02x\n", | |
339 | state1, state2); | |
340 | /* Each sleep out command will trigger a self diagnostic and flip | |
341 | * Bit6 if the test passes. | |
342 | */ | |
343 | if (!((state1 ^ state2) & (1 << 6))) | |
344 | ls041y3_esd_recover(md); | |
345 | } | |
346 | ||
347 | static void ls041y3_esd_check_mode2(struct mipid_device *md) | |
348 | { | |
349 | int i; | |
350 | u8 rbuf[2]; | |
351 | static const struct { | |
352 | int cmd; | |
353 | int wlen; | |
354 | u16 wbuf[3]; | |
355 | } *rd, rd_ctrl[7] = { | |
356 | { 0xb0, 4, { 0x0101, 0x01fe, } }, | |
357 | { 0xb1, 4, { 0x01de, 0x0121, } }, | |
358 | { 0xc2, 4, { 0x0100, 0x0100, } }, | |
359 | { 0xbd, 2, { 0x0100, } }, | |
360 | { 0xc2, 4, { 0x01fc, 0x0103, } }, | |
361 | { 0xb4, 0, }, | |
362 | { 0x00, 0, }, | |
363 | }; | |
364 | ||
365 | rd = rd_ctrl; | |
366 | for (i = 0; i < 3; i++, rd++) | |
367 | mipid_write(md, rd->cmd, (u8 *)rd->wbuf, rd->wlen); | |
368 | ||
369 | udelay(10); | |
370 | mipid_read(md, rd->cmd, rbuf, 2); | |
371 | rd++; | |
372 | ||
373 | for (i = 0; i < 3; i++, rd++) { | |
374 | udelay(10); | |
375 | mipid_write(md, rd->cmd, (u8 *)rd->wbuf, rd->wlen); | |
376 | } | |
377 | ||
378 | dev_dbg(&md->spi->dev, "ESD mode 2 state %02x\n", rbuf[1]); | |
379 | if (rbuf[1] == 0x00) | |
380 | ls041y3_esd_recover(md); | |
381 | } | |
382 | ||
383 | static void ls041y3_esd_check(struct mipid_device *md) | |
384 | { | |
385 | ls041y3_esd_check_mode1(md); | |
386 | if (md->revision >= 0x88) | |
387 | ls041y3_esd_check_mode2(md); | |
388 | } | |
389 | ||
390 | static void mipid_esd_start_check(struct mipid_device *md) | |
391 | { | |
392 | if (md->esd_check != NULL) | |
393 | queue_delayed_work(md->esd_wq, &md->esd_work, | |
394 | MIPID_ESD_CHECK_PERIOD); | |
395 | } | |
396 | ||
397 | static void mipid_esd_stop_check(struct mipid_device *md) | |
398 | { | |
399 | if (md->esd_check != NULL) | |
afe2c511 | 400 | cancel_delayed_work_sync(&md->esd_work); |
66d2f99d ID |
401 | } |
402 | ||
403 | static void mipid_esd_work(struct work_struct *work) | |
404 | { | |
405 | struct mipid_device *md = container_of(work, struct mipid_device, | |
406 | esd_work.work); | |
407 | ||
408 | mutex_lock(&md->mutex); | |
409 | md->esd_check(md); | |
410 | mutex_unlock(&md->mutex); | |
411 | mipid_esd_start_check(md); | |
412 | } | |
413 | ||
414 | static int mipid_enable(struct lcd_panel *panel) | |
415 | { | |
416 | struct mipid_device *md = to_mipid_device(panel); | |
417 | ||
418 | mutex_lock(&md->mutex); | |
419 | ||
420 | if (md->enabled) { | |
421 | mutex_unlock(&md->mutex); | |
422 | return 0; | |
423 | } | |
424 | set_sleep_mode(md, 0); | |
425 | md->enabled = 1; | |
426 | send_init_string(md); | |
427 | set_display_state(md, 1); | |
428 | mipid_set_bklight_level(panel, md->saved_bklight_level); | |
429 | mipid_esd_start_check(md); | |
430 | ||
431 | mutex_unlock(&md->mutex); | |
432 | return 0; | |
433 | } | |
434 | ||
435 | static void mipid_disable(struct lcd_panel *panel) | |
436 | { | |
437 | struct mipid_device *md = to_mipid_device(panel); | |
438 | ||
439 | /* | |
440 | * A final ESD work might be called before returning, | |
441 | * so do this without holding the lock. | |
442 | */ | |
443 | mipid_esd_stop_check(md); | |
444 | mutex_lock(&md->mutex); | |
445 | ||
446 | if (!md->enabled) { | |
447 | mutex_unlock(&md->mutex); | |
448 | return; | |
449 | } | |
450 | md->saved_bklight_level = mipid_get_bklight_level(panel); | |
451 | mipid_set_bklight_level(panel, 0); | |
452 | set_display_state(md, 0); | |
453 | set_sleep_mode(md, 1); | |
454 | md->enabled = 0; | |
455 | ||
456 | mutex_unlock(&md->mutex); | |
457 | } | |
458 | ||
459 | static int panel_enabled(struct mipid_device *md) | |
460 | { | |
461 | u32 disp_status; | |
462 | int enabled; | |
463 | ||
464 | mipid_read(md, MIPID_CMD_READ_DISP_STATUS, (u8 *)&disp_status, 4); | |
465 | disp_status = __be32_to_cpu(disp_status); | |
466 | enabled = (disp_status & (1 << 17)) && (disp_status & (1 << 10)); | |
467 | dev_dbg(&md->spi->dev, | |
468 | "LCD panel %senabled by bootloader (status 0x%04x)\n", | |
469 | enabled ? "" : "not ", disp_status); | |
470 | return enabled; | |
471 | } | |
472 | ||
473 | static int mipid_init(struct lcd_panel *panel, | |
474 | struct omapfb_device *fbdev) | |
475 | { | |
476 | struct mipid_device *md = to_mipid_device(panel); | |
477 | ||
478 | md->fbdev = fbdev; | |
479 | md->esd_wq = create_singlethread_workqueue("mipid_esd"); | |
480 | if (md->esd_wq == NULL) { | |
481 | dev_err(&md->spi->dev, "can't create ESD workqueue\n"); | |
482 | return -ENOMEM; | |
483 | } | |
484 | INIT_DELAYED_WORK(&md->esd_work, mipid_esd_work); | |
485 | mutex_init(&md->mutex); | |
486 | ||
487 | md->enabled = panel_enabled(md); | |
488 | ||
489 | if (md->enabled) | |
490 | mipid_esd_start_check(md); | |
491 | else | |
492 | md->saved_bklight_level = mipid_get_bklight_level(panel); | |
493 | ||
494 | return 0; | |
495 | } | |
496 | ||
497 | static void mipid_cleanup(struct lcd_panel *panel) | |
498 | { | |
499 | struct mipid_device *md = to_mipid_device(panel); | |
500 | ||
501 | if (md->enabled) | |
502 | mipid_esd_stop_check(md); | |
503 | destroy_workqueue(md->esd_wq); | |
504 | } | |
505 | ||
506 | static struct lcd_panel mipid_panel = { | |
507 | .config = OMAP_LCDC_PANEL_TFT, | |
508 | ||
509 | .bpp = 16, | |
510 | .x_res = 800, | |
511 | .y_res = 480, | |
512 | .pixel_clock = 21940, | |
513 | .hsw = 50, | |
514 | .hfp = 20, | |
515 | .hbp = 15, | |
516 | .vsw = 2, | |
517 | .vfp = 1, | |
518 | .vbp = 3, | |
519 | ||
520 | .init = mipid_init, | |
521 | .cleanup = mipid_cleanup, | |
522 | .enable = mipid_enable, | |
523 | .disable = mipid_disable, | |
524 | .get_caps = mipid_get_caps, | |
525 | .set_bklight_level = mipid_set_bklight_level, | |
526 | .get_bklight_level = mipid_get_bklight_level, | |
527 | .get_bklight_max = mipid_get_bklight_max, | |
528 | .run_test = mipid_run_test, | |
529 | }; | |
530 | ||
531 | static int mipid_detect(struct mipid_device *md) | |
532 | { | |
533 | struct mipid_platform_data *pdata; | |
534 | u8 display_id[3]; | |
535 | ||
536 | pdata = md->spi->dev.platform_data; | |
537 | if (pdata == NULL) { | |
538 | dev_err(&md->spi->dev, "missing platform data\n"); | |
539 | return -ENOENT; | |
540 | } | |
541 | ||
542 | mipid_read(md, MIPID_CMD_READ_DISP_ID, display_id, 3); | |
543 | dev_dbg(&md->spi->dev, "MIPI display ID: %02x%02x%02x\n", | |
544 | display_id[0], display_id[1], display_id[2]); | |
545 | ||
546 | switch (display_id[0]) { | |
547 | case 0x45: | |
548 | md->panel.name = "lph8923"; | |
549 | break; | |
550 | case 0x83: | |
551 | md->panel.name = "ls041y3"; | |
552 | md->esd_check = ls041y3_esd_check; | |
553 | break; | |
554 | default: | |
555 | md->panel.name = "unknown"; | |
556 | dev_err(&md->spi->dev, "invalid display ID\n"); | |
557 | return -ENODEV; | |
558 | } | |
559 | ||
560 | md->revision = display_id[1]; | |
561 | md->panel.data_lines = pdata->data_lines; | |
562 | pr_info("omapfb: %s rev %02x LCD detected, %d data lines\n", | |
563 | md->panel.name, md->revision, md->panel.data_lines); | |
564 | ||
565 | return 0; | |
566 | } | |
567 | ||
568 | static int mipid_spi_probe(struct spi_device *spi) | |
569 | { | |
570 | struct mipid_device *md; | |
571 | int r; | |
572 | ||
573 | md = kzalloc(sizeof(*md), GFP_KERNEL); | |
574 | if (md == NULL) { | |
575 | dev_err(&spi->dev, "out of memory\n"); | |
576 | return -ENOMEM; | |
577 | } | |
578 | ||
579 | spi->mode = SPI_MODE_0; | |
580 | md->spi = spi; | |
581 | dev_set_drvdata(&spi->dev, md); | |
582 | md->panel = mipid_panel; | |
583 | ||
584 | r = mipid_detect(md); | |
585 | if (r < 0) | |
586 | return r; | |
587 | ||
588 | omapfb_register_panel(&md->panel); | |
589 | ||
590 | return 0; | |
591 | } | |
592 | ||
593 | static int mipid_spi_remove(struct spi_device *spi) | |
594 | { | |
595 | struct mipid_device *md = dev_get_drvdata(&spi->dev); | |
596 | ||
597 | mipid_disable(&md->panel); | |
598 | kfree(md); | |
599 | ||
600 | return 0; | |
601 | } | |
602 | ||
603 | static struct spi_driver mipid_spi_driver = { | |
604 | .driver = { | |
605 | .name = MIPID_MODULE_NAME, | |
66d2f99d ID |
606 | .owner = THIS_MODULE, |
607 | }, | |
608 | .probe = mipid_spi_probe, | |
48c68c4f | 609 | .remove = mipid_spi_remove, |
66d2f99d ID |
610 | }; |
611 | ||
c6d242aa | 612 | module_spi_driver(mipid_spi_driver); |
66d2f99d ID |
613 | |
614 | MODULE_DESCRIPTION("MIPI display driver"); | |
615 | MODULE_LICENSE("GPL"); |