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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
[cris-mirror.git] / drivers / gpu / drm / bridge / adv7511 / adv7511_drv.c
blobefa29db5fc2b7eeff375d2f6cdafce9340fd6301
1 /*
2 * Analog Devices ADV7511 HDMI transmitter driver
3 *
4 * Copyright 2012 Analog Devices Inc.
5 *
6 * Licensed under the GPL-2.
7 */
8
9 #include <linux/device.h>
10 #include <linux/gpio/consumer.h>
11 #include <linux/module.h>
12 #include <linux/of_device.h>
13 #include <linux/slab.h>
14 #include <linux/clk.h>
15
16 #include <drm/drmP.h>
17 #include <drm/drm_atomic.h>
18 #include <drm/drm_atomic_helper.h>
19 #include <drm/drm_edid.h>
20
21 #include <media/cec.h>
22
23 #include "adv7511.h"
24
25 /* ADI recommended values for proper operation. */
26 static const struct reg_sequence adv7511_fixed_registers[] = {
27 { 0x98, 0x03 },
28 { 0x9a, 0xe0 },
29 { 0x9c, 0x30 },
30 { 0x9d, 0x61 },
31 { 0xa2, 0xa4 },
32 { 0xa3, 0xa4 },
33 { 0xe0, 0xd0 },
34 { 0xf9, 0x00 },
35 { 0x55, 0x02 },
36 };
37
38 /* -----------------------------------------------------------------------------
39 * Register access
40 */
41
42 static const uint8_t adv7511_register_defaults[] = {
43 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 00 */
44 0x00, 0x00, 0x01, 0x0e, 0xbc, 0x18, 0x01, 0x13,
45 0x25, 0x37, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 10 */
46 0x46, 0x62, 0x04, 0xa8, 0x00, 0x00, 0x1c, 0x84,
47 0x1c, 0xbf, 0x04, 0xa8, 0x1e, 0x70, 0x02, 0x1e, /* 20 */
48 0x00, 0x00, 0x04, 0xa8, 0x08, 0x12, 0x1b, 0xac,
49 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 30 */
50 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0xb0,
51 0x00, 0x50, 0x90, 0x7e, 0x79, 0x70, 0x00, 0x00, /* 40 */
52 0x00, 0xa8, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
53 0x00, 0x00, 0x02, 0x0d, 0x00, 0x00, 0x00, 0x00, /* 50 */
54 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
55 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 60 */
56 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
57 0x01, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 70 */
58 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
59 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 80 */
60 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
61 0x00, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 90 */
62 0x0b, 0x02, 0x00, 0x18, 0x5a, 0x60, 0x00, 0x00,
63 0x00, 0x00, 0x80, 0x80, 0x08, 0x04, 0x00, 0x00, /* a0 */
64 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x40, 0x14,
65 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* b0 */
66 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
67 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* c0 */
68 0x00, 0x03, 0x00, 0x00, 0x02, 0x00, 0x01, 0x04,
69 0x30, 0xff, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, /* d0 */
70 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x01,
71 0x80, 0x75, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, /* e0 */
72 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
73 0x00, 0x00, 0x00, 0x00, 0x00, 0x75, 0x11, 0x00, /* f0 */
74 0x00, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
75 };
76
77 static bool adv7511_register_volatile(struct device *dev, unsigned int reg)
78 {
79 switch (reg) {
80 case ADV7511_REG_CHIP_REVISION:
81 case ADV7511_REG_SPDIF_FREQ:
82 case ADV7511_REG_CTS_AUTOMATIC1:
83 case ADV7511_REG_CTS_AUTOMATIC2:
84 case ADV7511_REG_VIC_DETECTED:
85 case ADV7511_REG_VIC_SEND:
86 case ADV7511_REG_AUX_VIC_DETECTED:
87 case ADV7511_REG_STATUS:
88 case ADV7511_REG_GC(1):
89 case ADV7511_REG_INT(0):
90 case ADV7511_REG_INT(1):
91 case ADV7511_REG_PLL_STATUS:
92 case ADV7511_REG_AN(0):
93 case ADV7511_REG_AN(1):
94 case ADV7511_REG_AN(2):
95 case ADV7511_REG_AN(3):
96 case ADV7511_REG_AN(4):
97 case ADV7511_REG_AN(5):
98 case ADV7511_REG_AN(6):
99 case ADV7511_REG_AN(7):
100 case ADV7511_REG_HDCP_STATUS:
101 case ADV7511_REG_BCAPS:
102 case ADV7511_REG_BKSV(0):
103 case ADV7511_REG_BKSV(1):
104 case ADV7511_REG_BKSV(2):
105 case ADV7511_REG_BKSV(3):
106 case ADV7511_REG_BKSV(4):
107 case ADV7511_REG_DDC_STATUS:
108 case ADV7511_REG_EDID_READ_CTRL:
109 case ADV7511_REG_BSTATUS(0):
110 case ADV7511_REG_BSTATUS(1):
111 case ADV7511_REG_CHIP_ID_HIGH:
112 case ADV7511_REG_CHIP_ID_LOW:
113 return true;
114 }
115
116 return false;
117 }
118
119 static const struct regmap_config adv7511_regmap_config = {
120 .reg_bits = 8,
121 .val_bits = 8,
122
123 .max_register = 0xff,
124 .cache_type = REGCACHE_RBTREE,
125 .reg_defaults_raw = adv7511_register_defaults,
126 .num_reg_defaults_raw = ARRAY_SIZE(adv7511_register_defaults),
127
128 .volatile_reg = adv7511_register_volatile,
129 };
130
131 /* -----------------------------------------------------------------------------
132 * Hardware configuration
133 */
134
135 static void adv7511_set_colormap(struct adv7511 *adv7511, bool enable,
136 const uint16_t *coeff,
137 unsigned int scaling_factor)
138 {
139 unsigned int i;
140
141 regmap_update_bits(adv7511->regmap, ADV7511_REG_CSC_UPPER(1),
142 ADV7511_CSC_UPDATE_MODE, ADV7511_CSC_UPDATE_MODE);
143
144 if (enable) {
145 for (i = 0; i < 12; ++i) {
146 regmap_update_bits(adv7511->regmap,
147 ADV7511_REG_CSC_UPPER(i),
148 0x1f, coeff[i] >> 8);
149 regmap_write(adv7511->regmap,
150 ADV7511_REG_CSC_LOWER(i),
151 coeff[i] & 0xff);
152 }
153 }
154
155 if (enable)
156 regmap_update_bits(adv7511->regmap, ADV7511_REG_CSC_UPPER(0),
157 0xe0, 0x80 | (scaling_factor << 5));
158 else
159 regmap_update_bits(adv7511->regmap, ADV7511_REG_CSC_UPPER(0),
160 0x80, 0x00);
161
162 regmap_update_bits(adv7511->regmap, ADV7511_REG_CSC_UPPER(1),
163 ADV7511_CSC_UPDATE_MODE, 0);
164 }
165
166 static int adv7511_packet_enable(struct adv7511 *adv7511, unsigned int packet)
167 {
168 if (packet & 0xff)
169 regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE0,
170 packet, 0xff);
171
172 if (packet & 0xff00) {
173 packet >>= 8;
174 regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE1,
175 packet, 0xff);
176 }
177
178 return 0;
179 }
180
181 static int adv7511_packet_disable(struct adv7511 *adv7511, unsigned int packet)
182 {
183 if (packet & 0xff)
184 regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE0,
185 packet, 0x00);
186
187 if (packet & 0xff00) {
188 packet >>= 8;
189 regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE1,
190 packet, 0x00);
191 }
192
193 return 0;
194 }
195
196 /* Coefficients for adv7511 color space conversion */
197 static const uint16_t adv7511_csc_ycbcr_to_rgb[] = {
198 0x0734, 0x04ad, 0x0000, 0x1c1b,
199 0x1ddc, 0x04ad, 0x1f24, 0x0135,
200 0x0000, 0x04ad, 0x087c, 0x1b77,
201 };
202
203 static void adv7511_set_config_csc(struct adv7511 *adv7511,
204 struct drm_connector *connector,
205 bool rgb, bool hdmi_mode)
206 {
207 struct adv7511_video_config config;
208 bool output_format_422, output_format_ycbcr;
209 unsigned int mode;
210 uint8_t infoframe[17];
211
212 config.hdmi_mode = hdmi_mode;
213
214 hdmi_avi_infoframe_init(&config.avi_infoframe);
215
216 config.avi_infoframe.scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
217
218 if (rgb) {
219 config.csc_enable = false;
220 config.avi_infoframe.colorspace = HDMI_COLORSPACE_RGB;
221 } else {
222 config.csc_scaling_factor = ADV7511_CSC_SCALING_4;
223 config.csc_coefficents = adv7511_csc_ycbcr_to_rgb;
224
225 if ((connector->display_info.color_formats &
226 DRM_COLOR_FORMAT_YCRCB422) &&
227 config.hdmi_mode) {
228 config.csc_enable = false;
229 config.avi_infoframe.colorspace =
230 HDMI_COLORSPACE_YUV422;
231 } else {
232 config.csc_enable = true;
233 config.avi_infoframe.colorspace = HDMI_COLORSPACE_RGB;
234 }
235 }
236
237 if (config.hdmi_mode) {
238 mode = ADV7511_HDMI_CFG_MODE_HDMI;
239
240 switch (config.avi_infoframe.colorspace) {
241 case HDMI_COLORSPACE_YUV444:
242 output_format_422 = false;
243 output_format_ycbcr = true;
244 break;
245 case HDMI_COLORSPACE_YUV422:
246 output_format_422 = true;
247 output_format_ycbcr = true;
248 break;
249 default:
250 output_format_422 = false;
251 output_format_ycbcr = false;
252 break;
253 }
254 } else {
255 mode = ADV7511_HDMI_CFG_MODE_DVI;
256 output_format_422 = false;
257 output_format_ycbcr = false;
258 }
259
260 adv7511_packet_disable(adv7511, ADV7511_PACKET_ENABLE_AVI_INFOFRAME);
261
262 adv7511_set_colormap(adv7511, config.csc_enable,
263 config.csc_coefficents,
264 config.csc_scaling_factor);
265
266 regmap_update_bits(adv7511->regmap, ADV7511_REG_VIDEO_INPUT_CFG1, 0x81,
267 (output_format_422 << 7) | output_format_ycbcr);
268
269 regmap_update_bits(adv7511->regmap, ADV7511_REG_HDCP_HDMI_CFG,
270 ADV7511_HDMI_CFG_MODE_MASK, mode);
271
272 hdmi_avi_infoframe_pack(&config.avi_infoframe, infoframe,
273 sizeof(infoframe));
274
275 /* The AVI infoframe id is not configurable */
276 regmap_bulk_write(adv7511->regmap, ADV7511_REG_AVI_INFOFRAME_VERSION,
277 infoframe + 1, sizeof(infoframe) - 1);
278
279 adv7511_packet_enable(adv7511, ADV7511_PACKET_ENABLE_AVI_INFOFRAME);
280 }
281
282 static void adv7511_set_link_config(struct adv7511 *adv7511,
283 const struct adv7511_link_config *config)
284 {
285 /*
286 * The input style values documented in the datasheet don't match the
287 * hardware register field values :-(
288 */
289 static const unsigned int input_styles[4] = { 0, 2, 1, 3 };
290
291 unsigned int clock_delay;
292 unsigned int color_depth;
293 unsigned int input_id;
294
295 clock_delay = (config->clock_delay + 1200) / 400;
296 color_depth = config->input_color_depth == 8 ? 3
297 : (config->input_color_depth == 10 ? 1 : 2);
298
299 /* TODO Support input ID 6 */
300 if (config->input_colorspace != HDMI_COLORSPACE_YUV422)
301 input_id = config->input_clock == ADV7511_INPUT_CLOCK_DDR
302 ? 5 : 0;
303 else if (config->input_clock == ADV7511_INPUT_CLOCK_DDR)
304 input_id = config->embedded_sync ? 8 : 7;
305 else if (config->input_clock == ADV7511_INPUT_CLOCK_2X)
306 input_id = config->embedded_sync ? 4 : 3;
307 else
308 input_id = config->embedded_sync ? 2 : 1;
309
310 regmap_update_bits(adv7511->regmap, ADV7511_REG_I2C_FREQ_ID_CFG, 0xf,
311 input_id);
312 regmap_update_bits(adv7511->regmap, ADV7511_REG_VIDEO_INPUT_CFG1, 0x7e,
313 (color_depth << 4) |
314 (input_styles[config->input_style] << 2));
315 regmap_write(adv7511->regmap, ADV7511_REG_VIDEO_INPUT_CFG2,
316 config->input_justification << 3);
317 regmap_write(adv7511->regmap, ADV7511_REG_TIMING_GEN_SEQ,
318 config->sync_pulse << 2);
319
320 regmap_write(adv7511->regmap, 0xba, clock_delay << 5);
321
322 adv7511->embedded_sync = config->embedded_sync;
323 adv7511->hsync_polarity = config->hsync_polarity;
324 adv7511->vsync_polarity = config->vsync_polarity;
325 adv7511->rgb = config->input_colorspace == HDMI_COLORSPACE_RGB;
326 }
327
328 static void __adv7511_power_on(struct adv7511 *adv7511)
329 {
330 adv7511->current_edid_segment = -1;
331
332 regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER,
333 ADV7511_POWER_POWER_DOWN, 0);
334 if (adv7511->i2c_main->irq) {
335 /*
336 * Documentation says the INT_ENABLE registers are reset in
337 * POWER_DOWN mode. My 7511w preserved the bits, however.
338 * Still, let's be safe and stick to the documentation.
339 */
340 regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(0),
341 ADV7511_INT0_EDID_READY | ADV7511_INT0_HPD);
342 regmap_update_bits(adv7511->regmap,
343 ADV7511_REG_INT_ENABLE(1),
344 ADV7511_INT1_DDC_ERROR,
345 ADV7511_INT1_DDC_ERROR);
346 }
347
348 /*
349 * Per spec it is allowed to pulse the HPD signal to indicate that the
350 * EDID information has changed. Some monitors do this when they wakeup
351 * from standby or are enabled. When the HPD goes low the adv7511 is
352 * reset and the outputs are disabled which might cause the monitor to
353 * go to standby again. To avoid this we ignore the HPD pin for the
354 * first few seconds after enabling the output.
355 */
356 regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2,
357 ADV7511_REG_POWER2_HPD_SRC_MASK,
358 ADV7511_REG_POWER2_HPD_SRC_NONE);
359 }
360
361 static void adv7511_power_on(struct adv7511 *adv7511)
362 {
363 __adv7511_power_on(adv7511);
364
365 /*
366 * Most of the registers are reset during power down or when HPD is low.
367 */
368 regcache_sync(adv7511->regmap);
369
370 if (adv7511->type == ADV7533)
371 adv7533_dsi_power_on(adv7511);
372 adv7511->powered = true;
373 }
374
375 static void __adv7511_power_off(struct adv7511 *adv7511)
376 {
377 /* TODO: setup additional power down modes */
378 regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER,
379 ADV7511_POWER_POWER_DOWN,
380 ADV7511_POWER_POWER_DOWN);
381 regmap_update_bits(adv7511->regmap,
382 ADV7511_REG_INT_ENABLE(1),
383 ADV7511_INT1_DDC_ERROR, 0);
384 regcache_mark_dirty(adv7511->regmap);
385 }
386
387 static void adv7511_power_off(struct adv7511 *adv7511)
388 {
389 __adv7511_power_off(adv7511);
390 if (adv7511->type == ADV7533)
391 adv7533_dsi_power_off(adv7511);
392 adv7511->powered = false;
393 }
394
395 /* -----------------------------------------------------------------------------
396 * Interrupt and hotplug detection
397 */
398
399 static bool adv7511_hpd(struct adv7511 *adv7511)
400 {
401 unsigned int irq0;
402 int ret;
403
404 ret = regmap_read(adv7511->regmap, ADV7511_REG_INT(0), &irq0);
405 if (ret < 0)
406 return false;
407
408 if (irq0 & ADV7511_INT0_HPD) {
409 regmap_write(adv7511->regmap, ADV7511_REG_INT(0),
410 ADV7511_INT0_HPD);
411 return true;
412 }
413
414 return false;
415 }
416
417 static void adv7511_hpd_work(struct work_struct *work)
418 {
419 struct adv7511 *adv7511 = container_of(work, struct adv7511, hpd_work);
420 enum drm_connector_status status;
421 unsigned int val;
422 int ret;
423
424 ret = regmap_read(adv7511->regmap, ADV7511_REG_STATUS, &val);
425 if (ret < 0)
426 status = connector_status_disconnected;
427 else if (val & ADV7511_STATUS_HPD)
428 status = connector_status_connected;
429 else
430 status = connector_status_disconnected;
431
432 if (adv7511->connector.status != status) {
433 adv7511->connector.status = status;
434 if (status == connector_status_disconnected)
435 cec_phys_addr_invalidate(adv7511->cec_adap);
436 drm_kms_helper_hotplug_event(adv7511->connector.dev);
437 }
438 }
439
440 static int adv7511_irq_process(struct adv7511 *adv7511, bool process_hpd)
441 {
442 unsigned int irq0, irq1;
443 int ret;
444
445 ret = regmap_read(adv7511->regmap, ADV7511_REG_INT(0), &irq0);
446 if (ret < 0)
447 return ret;
448
449 ret = regmap_read(adv7511->regmap, ADV7511_REG_INT(1), &irq1);
450 if (ret < 0)
451 return ret;
452
453 regmap_write(adv7511->regmap, ADV7511_REG_INT(0), irq0);
454 regmap_write(adv7511->regmap, ADV7511_REG_INT(1), irq1);
455
456 if (process_hpd && irq0 & ADV7511_INT0_HPD && adv7511->bridge.encoder)
457 schedule_work(&adv7511->hpd_work);
458
459 if (irq0 & ADV7511_INT0_EDID_READY || irq1 & ADV7511_INT1_DDC_ERROR) {
460 adv7511->edid_read = true;
461
462 if (adv7511->i2c_main->irq)
463 wake_up_all(&adv7511->wq);
464 }
465
466 #ifdef CONFIG_DRM_I2C_ADV7511_CEC
467 adv7511_cec_irq_process(adv7511, irq1);
468 #endif
469
470 return 0;
471 }
472
473 static irqreturn_t adv7511_irq_handler(int irq, void *devid)
474 {
475 struct adv7511 *adv7511 = devid;
476 int ret;
477
478 ret = adv7511_irq_process(adv7511, true);
479 return ret < 0 ? IRQ_NONE : IRQ_HANDLED;
480 }
481
482 /* -----------------------------------------------------------------------------
483 * EDID retrieval
484 */
485
486 static int adv7511_wait_for_edid(struct adv7511 *adv7511, int timeout)
487 {
488 int ret;
489
490 if (adv7511->i2c_main->irq) {
491 ret = wait_event_interruptible_timeout(adv7511->wq,
492 adv7511->edid_read, msecs_to_jiffies(timeout));
493 } else {
494 for (; timeout > 0; timeout -= 25) {
495 ret = adv7511_irq_process(adv7511, false);
496 if (ret < 0)
497 break;
498
499 if (adv7511->edid_read)
500 break;
501
502 msleep(25);
503 }
504 }
505
506 return adv7511->edid_read ? 0 : -EIO;
507 }
508
509 static int adv7511_get_edid_block(void *data, u8 *buf, unsigned int block,
510 size_t len)
511 {
512 struct adv7511 *adv7511 = data;
513 struct i2c_msg xfer[2];
514 uint8_t offset;
515 unsigned int i;
516 int ret;
517
518 if (len > 128)
519 return -EINVAL;
520
521 if (adv7511->current_edid_segment != block / 2) {
522 unsigned int status;
523
524 ret = regmap_read(adv7511->regmap, ADV7511_REG_DDC_STATUS,
525 &status);
526 if (ret < 0)
527 return ret;
528
529 if (status != 2) {
530 adv7511->edid_read = false;
531 regmap_write(adv7511->regmap, ADV7511_REG_EDID_SEGMENT,
532 block);
533 ret = adv7511_wait_for_edid(adv7511, 200);
534 if (ret < 0)
535 return ret;
536 }
537
538 /* Break this apart, hopefully more I2C controllers will
539 * support 64 byte transfers than 256 byte transfers
540 */
541
542 xfer[0].addr = adv7511->i2c_edid->addr;
543 xfer[0].flags = 0;
544 xfer[0].len = 1;
545 xfer[0].buf = &offset;
546 xfer[1].addr = adv7511->i2c_edid->addr;
547 xfer[1].flags = I2C_M_RD;
548 xfer[1].len = 64;
549 xfer[1].buf = adv7511->edid_buf;
550
551 offset = 0;
552
553 for (i = 0; i < 4; ++i) {
554 ret = i2c_transfer(adv7511->i2c_edid->adapter, xfer,
555 ARRAY_SIZE(xfer));
556 if (ret < 0)
557 return ret;
558 else if (ret != 2)
559 return -EIO;
560
561 xfer[1].buf += 64;
562 offset += 64;
563 }
564
565 adv7511->current_edid_segment = block / 2;
566 }
567
568 if (block % 2 == 0)
569 memcpy(buf, adv7511->edid_buf, len);
570 else
571 memcpy(buf, adv7511->edid_buf + 128, len);
572
573 return 0;
574 }
575
576 /* -----------------------------------------------------------------------------
577 * ADV75xx helpers
578 */
579
580 static int adv7511_get_modes(struct adv7511 *adv7511,
581 struct drm_connector *connector)
582 {
583 struct edid *edid;
584 unsigned int count;
585
586 /* Reading the EDID only works if the device is powered */
587 if (!adv7511->powered) {
588 unsigned int edid_i2c_addr =
589 (adv7511->i2c_main->addr << 1) + 4;
590
591 __adv7511_power_on(adv7511);
592
593 /* Reset the EDID_I2C_ADDR register as it might be cleared */
594 regmap_write(adv7511->regmap, ADV7511_REG_EDID_I2C_ADDR,
595 edid_i2c_addr);
596 }
597
598 edid = drm_do_get_edid(connector, adv7511_get_edid_block, adv7511);
599
600 if (!adv7511->powered)
601 __adv7511_power_off(adv7511);
602
603
604 drm_mode_connector_update_edid_property(connector, edid);
605 count = drm_add_edid_modes(connector, edid);
606
607 adv7511_set_config_csc(adv7511, connector, adv7511->rgb,
608 drm_detect_hdmi_monitor(edid));
609
610 cec_s_phys_addr_from_edid(adv7511->cec_adap, edid);
611
612 kfree(edid);
613
614 return count;
615 }
616
617 static enum drm_connector_status
618 adv7511_detect(struct adv7511 *adv7511, struct drm_connector *connector)
619 {
620 enum drm_connector_status status;
621 unsigned int val;
622 bool hpd;
623 int ret;
624
625 ret = regmap_read(adv7511->regmap, ADV7511_REG_STATUS, &val);
626 if (ret < 0)
627 return connector_status_disconnected;
628
629 if (val & ADV7511_STATUS_HPD)
630 status = connector_status_connected;
631 else
632 status = connector_status_disconnected;
633
634 hpd = adv7511_hpd(adv7511);
635
636 /* The chip resets itself when the cable is disconnected, so in case
637 * there is a pending HPD interrupt and the cable is connected there was
638 * at least one transition from disconnected to connected and the chip
639 * has to be reinitialized. */
640 if (status == connector_status_connected && hpd && adv7511->powered) {
641 regcache_mark_dirty(adv7511->regmap);
642 adv7511_power_on(adv7511);
643 adv7511_get_modes(adv7511, connector);
644 if (adv7511->status == connector_status_connected)
645 status = connector_status_disconnected;
646 } else {
647 /* Renable HPD sensing */
648 regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2,
649 ADV7511_REG_POWER2_HPD_SRC_MASK,
650 ADV7511_REG_POWER2_HPD_SRC_BOTH);
651 }
652
653 adv7511->status = status;
654 return status;
655 }
656
657 static int adv7511_mode_valid(struct adv7511 *adv7511,
658 struct drm_display_mode *mode)
659 {
660 if (mode->clock > 165000)
661 return MODE_CLOCK_HIGH;
662
663 return MODE_OK;
664 }
665
666 static void adv7511_mode_set(struct adv7511 *adv7511,
667 struct drm_display_mode *mode,
668 struct drm_display_mode *adj_mode)
669 {
670 unsigned int low_refresh_rate;
671 unsigned int hsync_polarity = 0;
672 unsigned int vsync_polarity = 0;
673
674 if (adv7511->embedded_sync) {
675 unsigned int hsync_offset, hsync_len;
676 unsigned int vsync_offset, vsync_len;
677
678 hsync_offset = adj_mode->crtc_hsync_start -
679 adj_mode->crtc_hdisplay;
680 vsync_offset = adj_mode->crtc_vsync_start -
681 adj_mode->crtc_vdisplay;
682 hsync_len = adj_mode->crtc_hsync_end -
683 adj_mode->crtc_hsync_start;
684 vsync_len = adj_mode->crtc_vsync_end -
685 adj_mode->crtc_vsync_start;
686
687 /* The hardware vsync generator has a off-by-one bug */
688 vsync_offset += 1;
689
690 regmap_write(adv7511->regmap, ADV7511_REG_HSYNC_PLACEMENT_MSB,
691 ((hsync_offset >> 10) & 0x7) << 5);
692 regmap_write(adv7511->regmap, ADV7511_REG_SYNC_DECODER(0),
693 (hsync_offset >> 2) & 0xff);
694 regmap_write(adv7511->regmap, ADV7511_REG_SYNC_DECODER(1),
695 ((hsync_offset & 0x3) << 6) |
696 ((hsync_len >> 4) & 0x3f));
697 regmap_write(adv7511->regmap, ADV7511_REG_SYNC_DECODER(2),
698 ((hsync_len & 0xf) << 4) |
699 ((vsync_offset >> 6) & 0xf));
700 regmap_write(adv7511->regmap, ADV7511_REG_SYNC_DECODER(3),
701 ((vsync_offset & 0x3f) << 2) |
702 ((vsync_len >> 8) & 0x3));
703 regmap_write(adv7511->regmap, ADV7511_REG_SYNC_DECODER(4),
704 vsync_len & 0xff);
705
706 hsync_polarity = !(adj_mode->flags & DRM_MODE_FLAG_PHSYNC);
707 vsync_polarity = !(adj_mode->flags & DRM_MODE_FLAG_PVSYNC);
708 } else {
709 enum adv7511_sync_polarity mode_hsync_polarity;
710 enum adv7511_sync_polarity mode_vsync_polarity;
711
712 /**
713 * If the input signal is always low or always high we want to
714 * invert or let it passthrough depending on the polarity of the
715 * current mode.
716 **/
717 if (adj_mode->flags & DRM_MODE_FLAG_NHSYNC)
718 mode_hsync_polarity = ADV7511_SYNC_POLARITY_LOW;
719 else
720 mode_hsync_polarity = ADV7511_SYNC_POLARITY_HIGH;
721
722 if (adj_mode->flags & DRM_MODE_FLAG_NVSYNC)
723 mode_vsync_polarity = ADV7511_SYNC_POLARITY_LOW;
724 else
725 mode_vsync_polarity = ADV7511_SYNC_POLARITY_HIGH;
726
727 if (adv7511->hsync_polarity != mode_hsync_polarity &&
728 adv7511->hsync_polarity !=
729 ADV7511_SYNC_POLARITY_PASSTHROUGH)
730 hsync_polarity = 1;
731
732 if (adv7511->vsync_polarity != mode_vsync_polarity &&
733 adv7511->vsync_polarity !=
734 ADV7511_SYNC_POLARITY_PASSTHROUGH)
735 vsync_polarity = 1;
736 }
737
738 if (mode->vrefresh <= 24000)
739 low_refresh_rate = ADV7511_LOW_REFRESH_RATE_24HZ;
740 else if (mode->vrefresh <= 25000)
741 low_refresh_rate = ADV7511_LOW_REFRESH_RATE_25HZ;
742 else if (mode->vrefresh <= 30000)
743 low_refresh_rate = ADV7511_LOW_REFRESH_RATE_30HZ;
744 else
745 low_refresh_rate = ADV7511_LOW_REFRESH_RATE_NONE;
746
747 regmap_update_bits(adv7511->regmap, 0xfb,
748 0x6, low_refresh_rate << 1);
749 regmap_update_bits(adv7511->regmap, 0x17,
750 0x60, (vsync_polarity << 6) | (hsync_polarity << 5));
751
752 if (adv7511->type == ADV7533)
753 adv7533_mode_set(adv7511, adj_mode);
754
755 drm_mode_copy(&adv7511->curr_mode, adj_mode);
756
757 /*
758 * TODO Test first order 4:2:2 to 4:4:4 up conversion method, which is
759 * supposed to give better results.
760 */
761
762 adv7511->f_tmds = mode->clock;
763 }
764
765 /* Connector funcs */
766 static struct adv7511 *connector_to_adv7511(struct drm_connector *connector)
767 {
768 return container_of(connector, struct adv7511, connector);
769 }
770
771 static int adv7511_connector_get_modes(struct drm_connector *connector)
772 {
773 struct adv7511 *adv = connector_to_adv7511(connector);
774
775 return adv7511_get_modes(adv, connector);
776 }
777
778 static enum drm_mode_status
779 adv7511_connector_mode_valid(struct drm_connector *connector,
780 struct drm_display_mode *mode)
781 {
782 struct adv7511 *adv = connector_to_adv7511(connector);
783
784 return adv7511_mode_valid(adv, mode);
785 }
786
787 static struct drm_connector_helper_funcs adv7511_connector_helper_funcs = {
788 .get_modes = adv7511_connector_get_modes,
789 .mode_valid = adv7511_connector_mode_valid,
790 };
791
792 static enum drm_connector_status
793 adv7511_connector_detect(struct drm_connector *connector, bool force)
794 {
795 struct adv7511 *adv = connector_to_adv7511(connector);
796
797 return adv7511_detect(adv, connector);
798 }
799
800 static const struct drm_connector_funcs adv7511_connector_funcs = {
801 .fill_modes = drm_helper_probe_single_connector_modes,
802 .detect = adv7511_connector_detect,
803 .destroy = drm_connector_cleanup,
804 .reset = drm_atomic_helper_connector_reset,
805 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
806 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
807 };
808
809 /* Bridge funcs */
810 static struct adv7511 *bridge_to_adv7511(struct drm_bridge *bridge)
811 {
812 return container_of(bridge, struct adv7511, bridge);
813 }
814
815 static void adv7511_bridge_enable(struct drm_bridge *bridge)
816 {
817 struct adv7511 *adv = bridge_to_adv7511(bridge);
818
819 adv7511_power_on(adv);
820 }
821
822 static void adv7511_bridge_disable(struct drm_bridge *bridge)
823 {
824 struct adv7511 *adv = bridge_to_adv7511(bridge);
825
826 adv7511_power_off(adv);
827 }
828
829 static void adv7511_bridge_mode_set(struct drm_bridge *bridge,
830 struct drm_display_mode *mode,
831 struct drm_display_mode *adj_mode)
832 {
833 struct adv7511 *adv = bridge_to_adv7511(bridge);
834
835 adv7511_mode_set(adv, mode, adj_mode);
836 }
837
838 static int adv7511_bridge_attach(struct drm_bridge *bridge)
839 {
840 struct adv7511 *adv = bridge_to_adv7511(bridge);
841 int ret;
842
843 if (!bridge->encoder) {
844 DRM_ERROR("Parent encoder object not found");
845 return -ENODEV;
846 }
847
848 if (adv->i2c_main->irq)
849 adv->connector.polled = DRM_CONNECTOR_POLL_HPD;
850 else
851 adv->connector.polled = DRM_CONNECTOR_POLL_CONNECT |
852 DRM_CONNECTOR_POLL_DISCONNECT;
853
854 ret = drm_connector_init(bridge->dev, &adv->connector,
855 &adv7511_connector_funcs,
856 DRM_MODE_CONNECTOR_HDMIA);
857 if (ret) {
858 DRM_ERROR("Failed to initialize connector with drm\n");
859 return ret;
860 }
861 drm_connector_helper_add(&adv->connector,
862 &adv7511_connector_helper_funcs);
863 drm_mode_connector_attach_encoder(&adv->connector, bridge->encoder);
864
865 if (adv->type == ADV7533)
866 ret = adv7533_attach_dsi(adv);
867
868 if (adv->i2c_main->irq)
869 regmap_write(adv->regmap, ADV7511_REG_INT_ENABLE(0),
870 ADV7511_INT0_HPD);
871
872 return ret;
873 }
874
875 static const struct drm_bridge_funcs adv7511_bridge_funcs = {
876 .enable = adv7511_bridge_enable,
877 .disable = adv7511_bridge_disable,
878 .mode_set = adv7511_bridge_mode_set,
879 .attach = adv7511_bridge_attach,
880 };
881
882 /* -----------------------------------------------------------------------------
883 * Probe & remove
884 */
885
886 static const char * const adv7511_supply_names[] = {
887 "avdd",
888 "dvdd",
889 "pvdd",
890 "bgvdd",
891 "dvdd-3v",
892 };
893
894 static const char * const adv7533_supply_names[] = {
895 "avdd",
896 "dvdd",
897 "pvdd",
898 "a2vdd",
899 "v3p3",
900 "v1p2",
901 };
902
903 static int adv7511_init_regulators(struct adv7511 *adv)
904 {
905 struct device *dev = &adv->i2c_main->dev;
906 const char * const *supply_names;
907 unsigned int i;
908 int ret;
909
910 if (adv->type == ADV7511) {
911 supply_names = adv7511_supply_names;
912 adv->num_supplies = ARRAY_SIZE(adv7511_supply_names);
913 } else {
914 supply_names = adv7533_supply_names;
915 adv->num_supplies = ARRAY_SIZE(adv7533_supply_names);
916 }
917
918 adv->supplies = devm_kcalloc(dev, adv->num_supplies,
919 sizeof(*adv->supplies), GFP_KERNEL);
920 if (!adv->supplies)
921 return -ENOMEM;
922
923 for (i = 0; i < adv->num_supplies; i++)
924 adv->supplies[i].supply = supply_names[i];
925
926 ret = devm_regulator_bulk_get(dev, adv->num_supplies, adv->supplies);
927 if (ret)
928 return ret;
929
930 return regulator_bulk_enable(adv->num_supplies, adv->supplies);
931 }
932
933 static void adv7511_uninit_regulators(struct adv7511 *adv)
934 {
935 regulator_bulk_disable(adv->num_supplies, adv->supplies);
936 }
937
938 static bool adv7511_cec_register_volatile(struct device *dev, unsigned int reg)
939 {
940 struct i2c_client *i2c = to_i2c_client(dev);
941 struct adv7511 *adv7511 = i2c_get_clientdata(i2c);
942
943 if (adv7511->type == ADV7533)
944 reg -= ADV7533_REG_CEC_OFFSET;
945
946 switch (reg) {
947 case ADV7511_REG_CEC_RX_FRAME_HDR:
948 case ADV7511_REG_CEC_RX_FRAME_DATA0...
949 ADV7511_REG_CEC_RX_FRAME_DATA0 + 14:
950 case ADV7511_REG_CEC_RX_FRAME_LEN:
951 case ADV7511_REG_CEC_RX_BUFFERS:
952 case ADV7511_REG_CEC_TX_LOW_DRV_CNT:
953 return true;
954 }
955
956 return false;
957 }
958
959 static const struct regmap_config adv7511_cec_regmap_config = {
960 .reg_bits = 8,
961 .val_bits = 8,
962
963 .max_register = 0xff,
964 .cache_type = REGCACHE_RBTREE,
965 .volatile_reg = adv7511_cec_register_volatile,
966 };
967
968 static int adv7511_init_cec_regmap(struct adv7511 *adv)
969 {
970 int ret;
971
972 adv->i2c_cec = i2c_new_dummy(adv->i2c_main->adapter,
973 adv->i2c_main->addr - 1);
974 if (!adv->i2c_cec)
975 return -ENOMEM;
976 i2c_set_clientdata(adv->i2c_cec, adv);
977
978 adv->regmap_cec = devm_regmap_init_i2c(adv->i2c_cec,
979 &adv7511_cec_regmap_config);
980 if (IS_ERR(adv->regmap_cec)) {
981 ret = PTR_ERR(adv->regmap_cec);
982 goto err;
983 }
984
985 if (adv->type == ADV7533) {
986 ret = adv7533_patch_cec_registers(adv);
987 if (ret)
988 goto err;
989 }
990
991 return 0;
992 err:
993 i2c_unregister_device(adv->i2c_cec);
994 return ret;
995 }
996
997 static int adv7511_parse_dt(struct device_node *np,
998 struct adv7511_link_config *config)
999 {
1000 const char *str;
1001 int ret;
1002
1003 of_property_read_u32(np, "adi,input-depth", &config->input_color_depth);
1004 if (config->input_color_depth != 8 && config->input_color_depth != 10 &&
1005 config->input_color_depth != 12)
1006 return -EINVAL;
1007
1008 ret = of_property_read_string(np, "adi,input-colorspace", &str);
1009 if (ret < 0)
1010 return ret;
1011
1012 if (!strcmp(str, "rgb"))
1013 config->input_colorspace = HDMI_COLORSPACE_RGB;
1014 else if (!strcmp(str, "yuv422"))
1015 config->input_colorspace = HDMI_COLORSPACE_YUV422;
1016 else if (!strcmp(str, "yuv444"))
1017 config->input_colorspace = HDMI_COLORSPACE_YUV444;
1018 else
1019 return -EINVAL;
1020
1021 ret = of_property_read_string(np, "adi,input-clock", &str);
1022 if (ret < 0)
1023 return ret;
1024
1025 if (!strcmp(str, "1x"))
1026 config->input_clock = ADV7511_INPUT_CLOCK_1X;
1027 else if (!strcmp(str, "2x"))
1028 config->input_clock = ADV7511_INPUT_CLOCK_2X;
1029 else if (!strcmp(str, "ddr"))
1030 config->input_clock = ADV7511_INPUT_CLOCK_DDR;
1031 else
1032 return -EINVAL;
1033
1034 if (config->input_colorspace == HDMI_COLORSPACE_YUV422 ||
1035 config->input_clock != ADV7511_INPUT_CLOCK_1X) {
1036 ret = of_property_read_u32(np, "adi,input-style",
1037 &config->input_style);
1038 if (ret)
1039 return ret;
1040
1041 if (config->input_style < 1 || config->input_style > 3)
1042 return -EINVAL;
1043
1044 ret = of_property_read_string(np, "adi,input-justification",
1045 &str);
1046 if (ret < 0)
1047 return ret;
1048
1049 if (!strcmp(str, "left"))
1050 config->input_justification =
1051 ADV7511_INPUT_JUSTIFICATION_LEFT;
1052 else if (!strcmp(str, "evenly"))
1053 config->input_justification =
1054 ADV7511_INPUT_JUSTIFICATION_EVENLY;
1055 else if (!strcmp(str, "right"))
1056 config->input_justification =
1057 ADV7511_INPUT_JUSTIFICATION_RIGHT;
1058 else
1059 return -EINVAL;
1060
1061 } else {
1062 config->input_style = 1;
1063 config->input_justification = ADV7511_INPUT_JUSTIFICATION_LEFT;
1064 }
1065
1066 of_property_read_u32(np, "adi,clock-delay", &config->clock_delay);
1067 if (config->clock_delay < -1200 || config->clock_delay > 1600)
1068 return -EINVAL;
1069
1070 config->embedded_sync = of_property_read_bool(np, "adi,embedded-sync");
1071
1072 /* Hardcode the sync pulse configurations for now. */
1073 config->sync_pulse = ADV7511_INPUT_SYNC_PULSE_NONE;
1074 config->vsync_polarity = ADV7511_SYNC_POLARITY_PASSTHROUGH;
1075 config->hsync_polarity = ADV7511_SYNC_POLARITY_PASSTHROUGH;
1076
1077 return 0;
1078 }
1079
1080 static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
1081 {
1082 struct adv7511_link_config link_config;
1083 struct adv7511 *adv7511;
1084 struct device *dev = &i2c->dev;
1085 unsigned int main_i2c_addr = i2c->addr << 1;
1086 unsigned int edid_i2c_addr = main_i2c_addr + 4;
1087 unsigned int val;
1088 int ret;
1089
1090 if (!dev->of_node)
1091 return -EINVAL;
1092
1093 adv7511 = devm_kzalloc(dev, sizeof(*adv7511), GFP_KERNEL);
1094 if (!adv7511)
1095 return -ENOMEM;
1096
1097 adv7511->i2c_main = i2c;
1098 adv7511->powered = false;
1099 adv7511->status = connector_status_disconnected;
1100
1101 if (dev->of_node)
1102 adv7511->type = (enum adv7511_type)of_device_get_match_data(dev);
1103 else
1104 adv7511->type = id->driver_data;
1105
1106 memset(&link_config, 0, sizeof(link_config));
1107
1108 if (adv7511->type == ADV7511)
1109 ret = adv7511_parse_dt(dev->of_node, &link_config);
1110 else
1111 ret = adv7533_parse_dt(dev->of_node, adv7511);
1112 if (ret)
1113 return ret;
1114
1115 ret = adv7511_init_regulators(adv7511);
1116 if (ret) {
1117 dev_err(dev, "failed to init regulators\n");
1118 return ret;
1119 }
1120
1121 /*
1122 * The power down GPIO is optional. If present, toggle it from active to
1123 * inactive to wake up the encoder.
1124 */
1125 adv7511->gpio_pd = devm_gpiod_get_optional(dev, "pd", GPIOD_OUT_HIGH);
1126 if (IS_ERR(adv7511->gpio_pd)) {
1127 ret = PTR_ERR(adv7511->gpio_pd);
1128 goto uninit_regulators;
1129 }
1130
1131 if (adv7511->gpio_pd) {
1132 mdelay(5);
1133 gpiod_set_value_cansleep(adv7511->gpio_pd, 0);
1134 }
1135
1136 adv7511->regmap = devm_regmap_init_i2c(i2c, &adv7511_regmap_config);
1137 if (IS_ERR(adv7511->regmap)) {
1138 ret = PTR_ERR(adv7511->regmap);
1139 goto uninit_regulators;
1140 }
1141
1142 ret = regmap_read(adv7511->regmap, ADV7511_REG_CHIP_REVISION, &val);
1143 if (ret)
1144 goto uninit_regulators;
1145 dev_dbg(dev, "Rev. %d\n", val);
1146
1147 if (adv7511->type == ADV7511)
1148 ret = regmap_register_patch(adv7511->regmap,
1149 adv7511_fixed_registers,
1150 ARRAY_SIZE(adv7511_fixed_registers));
1151 else
1152 ret = adv7533_patch_registers(adv7511);
1153 if (ret)
1154 goto uninit_regulators;
1155
1156 regmap_write(adv7511->regmap, ADV7511_REG_EDID_I2C_ADDR, edid_i2c_addr);
1157 regmap_write(adv7511->regmap, ADV7511_REG_PACKET_I2C_ADDR,
1158 main_i2c_addr - 0xa);
1159 regmap_write(adv7511->regmap, ADV7511_REG_CEC_I2C_ADDR,
1160 main_i2c_addr - 2);
1161
1162 adv7511_packet_disable(adv7511, 0xffff);
1163
1164 adv7511->i2c_edid = i2c_new_dummy(i2c->adapter, edid_i2c_addr >> 1);
1165 if (!adv7511->i2c_edid) {
1166 ret = -ENOMEM;
1167 goto uninit_regulators;
1168 }
1169
1170 ret = adv7511_init_cec_regmap(adv7511);
1171 if (ret)
1172 goto err_i2c_unregister_edid;
1173
1174 INIT_WORK(&adv7511->hpd_work, adv7511_hpd_work);
1175
1176 if (i2c->irq) {
1177 init_waitqueue_head(&adv7511->wq);
1178
1179 ret = devm_request_threaded_irq(dev, i2c->irq, NULL,
1180 adv7511_irq_handler,
1181 IRQF_ONESHOT, dev_name(dev),
1182 adv7511);
1183 if (ret)
1184 goto err_unregister_cec;
1185 }
1186
1187 adv7511_power_off(adv7511);
1188
1189 i2c_set_clientdata(i2c, adv7511);
1190
1191 if (adv7511->type == ADV7511)
1192 adv7511_set_link_config(adv7511, &link_config);
1193
1194 ret = adv7511_cec_init(dev, adv7511);
1195 if (ret)
1196 goto err_unregister_cec;
1197
1198 adv7511->bridge.funcs = &adv7511_bridge_funcs;
1199 adv7511->bridge.of_node = dev->of_node;
1200
1201 drm_bridge_add(&adv7511->bridge);
1202
1203 adv7511_audio_init(dev, adv7511);
1204 return 0;
1205
1206 err_unregister_cec:
1207 i2c_unregister_device(adv7511->i2c_cec);
1208 if (adv7511->cec_clk)
1209 clk_disable_unprepare(adv7511->cec_clk);
1210 err_i2c_unregister_edid:
1211 i2c_unregister_device(adv7511->i2c_edid);
1212 uninit_regulators:
1213 adv7511_uninit_regulators(adv7511);
1214
1215 return ret;
1216 }
1217
1218 static int adv7511_remove(struct i2c_client *i2c)
1219 {
1220 struct adv7511 *adv7511 = i2c_get_clientdata(i2c);
1221
1222 if (adv7511->type == ADV7533)
1223 adv7533_detach_dsi(adv7511);
1224 i2c_unregister_device(adv7511->i2c_cec);
1225 if (adv7511->cec_clk)
1226 clk_disable_unprepare(adv7511->cec_clk);
1227
1228 adv7511_uninit_regulators(adv7511);
1229
1230 drm_bridge_remove(&adv7511->bridge);
1231
1232 adv7511_audio_exit(adv7511);
1233
1234 cec_unregister_adapter(adv7511->cec_adap);
1235
1236 i2c_unregister_device(adv7511->i2c_edid);
1237
1238 return 0;
1239 }
1240
1241 static const struct i2c_device_id adv7511_i2c_ids[] = {
1242 { "adv7511", ADV7511 },
1243 { "adv7511w", ADV7511 },
1244 { "adv7513", ADV7511 },
1245 #ifdef CONFIG_DRM_I2C_ADV7533
1246 { "adv7533", ADV7533 },
1247 #endif
1248 { }
1249 };
1250 MODULE_DEVICE_TABLE(i2c, adv7511_i2c_ids);
1251
1252 static const struct of_device_id adv7511_of_ids[] = {
1253 { .compatible = "adi,adv7511", .data = (void *)ADV7511 },
1254 { .compatible = "adi,adv7511w", .data = (void *)ADV7511 },
1255 { .compatible = "adi,adv7513", .data = (void *)ADV7511 },
1256 #ifdef CONFIG_DRM_I2C_ADV7533
1257 { .compatible = "adi,adv7533", .data = (void *)ADV7533 },
1258 #endif
1259 { }
1260 };
1261 MODULE_DEVICE_TABLE(of, adv7511_of_ids);
1262
1263 static struct mipi_dsi_driver adv7533_dsi_driver = {
1264 .driver.name = "adv7533",
1265 };
1266
1267 static struct i2c_driver adv7511_driver = {
1268 .driver = {
1269 .name = "adv7511",
1270 .of_match_table = adv7511_of_ids,
1271 },
1272 .id_table = adv7511_i2c_ids,
1273 .probe = adv7511_probe,
1274 .remove = adv7511_remove,
1275 };
1276
1277 static int __init adv7511_init(void)
1278 {
1279 if (IS_ENABLED(CONFIG_DRM_MIPI_DSI))
1280 mipi_dsi_driver_register(&adv7533_dsi_driver);
1281
1282 return i2c_add_driver(&adv7511_driver);
1283 }
1284 module_init(adv7511_init);
1285
1286 static void __exit adv7511_exit(void)
1287 {
1288 i2c_del_driver(&adv7511_driver);
1289
1290 if (IS_ENABLED(CONFIG_DRM_MIPI_DSI))
1291 mipi_dsi_driver_unregister(&adv7533_dsi_driver);
1292 }
1293 module_exit(adv7511_exit);
1294
1295 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
1296 MODULE_DESCRIPTION("ADV7511 HDMI transmitter driver");
1297 MODULE_LICENSE("GPL");
CRIS linux kernel tree