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drm/bridge: adv7511: Use work_struct to defer hotplug handing to out of irq context
[linux-2.6-block.git] / drivers / gpu / drm / bridge / adv7511 / adv7511_drv.c
CommitLineData
9c8af882
LPC		 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>
9c8af882 11#include <linux/module.h>
2437e7cd 12#include <linux/of_device.h>
9c8af882
LPC		 13#include <linux/slab.h>
14
15#include <drm/drmP.h>
e12c2f64
AT		 16#include <drm/drm_atomic.h>
17#include <drm/drm_atomic_helper.h>
9c8af882 18#include <drm/drm_edid.h>
9c8af882
LPC		 19
20#include "adv7511.h"
21
9c8af882 22/* ADI recommended values for proper operation. */
8019ff6c 23static const struct reg_sequence adv7511_fixed_registers[] = {
9c8af882
LPC		 24 { 0x98, 0x03 },
25 { 0x9a, 0xe0 },
26 { 0x9c, 0x30 },
27 { 0x9d, 0x61 },
28 { 0xa2, 0xa4 },
29 { 0xa3, 0xa4 },
30 { 0xe0, 0xd0 },
31 { 0xf9, 0x00 },
32 { 0x55, 0x02 },
33};
34
35/* -----------------------------------------------------------------------------
36 * Register access
37 */
38
39static const uint8_t adv7511_register_defaults[] = {
40 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 00 */
41 0x00, 0x00, 0x01, 0x0e, 0xbc, 0x18, 0x01, 0x13,
42 0x25, 0x37, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 10 */
43 0x46, 0x62, 0x04, 0xa8, 0x00, 0x00, 0x1c, 0x84,
44 0x1c, 0xbf, 0x04, 0xa8, 0x1e, 0x70, 0x02, 0x1e, /* 20 */
45 0x00, 0x00, 0x04, 0xa8, 0x08, 0x12, 0x1b, 0xac,
46 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 30 */
47 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0xb0,
48 0x00, 0x50, 0x90, 0x7e, 0x79, 0x70, 0x00, 0x00, /* 40 */
49 0x00, 0xa8, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
50 0x00, 0x00, 0x02, 0x0d, 0x00, 0x00, 0x00, 0x00, /* 50 */
51 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
52 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 60 */
53 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
54 0x01, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 70 */
55 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
56 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 80 */
57 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
58 0x00, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 90 */
59 0x0b, 0x02, 0x00, 0x18, 0x5a, 0x60, 0x00, 0x00,
60 0x00, 0x00, 0x80, 0x80, 0x08, 0x04, 0x00, 0x00, /* a0 */
61 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x40, 0x14,
62 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* b0 */
63 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
64 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* c0 */
65 0x00, 0x03, 0x00, 0x00, 0x02, 0x00, 0x01, 0x04,
66 0x30, 0xff, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, /* d0 */
67 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x01,
68 0x80, 0x75, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, /* e0 */
69 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
70 0x00, 0x00, 0x00, 0x00, 0x00, 0x75, 0x11, 0x00, /* f0 */
71 0x00, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
72};
73
74static bool adv7511_register_volatile(struct device *dev, unsigned int reg)
75{
76 switch (reg) {
77 case ADV7511_REG_CHIP_REVISION:
78 case ADV7511_REG_SPDIF_FREQ:
79 case ADV7511_REG_CTS_AUTOMATIC1:
80 case ADV7511_REG_CTS_AUTOMATIC2:
81 case ADV7511_REG_VIC_DETECTED:
82 case ADV7511_REG_VIC_SEND:
83 case ADV7511_REG_AUX_VIC_DETECTED:
84 case ADV7511_REG_STATUS:
85 case ADV7511_REG_GC(1):
86 case ADV7511_REG_INT(0):
87 case ADV7511_REG_INT(1):
88 case ADV7511_REG_PLL_STATUS:
89 case ADV7511_REG_AN(0):
90 case ADV7511_REG_AN(1):
91 case ADV7511_REG_AN(2):
92 case ADV7511_REG_AN(3):
93 case ADV7511_REG_AN(4):
94 case ADV7511_REG_AN(5):
95 case ADV7511_REG_AN(6):
96 case ADV7511_REG_AN(7):
97 case ADV7511_REG_HDCP_STATUS:
98 case ADV7511_REG_BCAPS:
99 case ADV7511_REG_BKSV(0):
100 case ADV7511_REG_BKSV(1):
101 case ADV7511_REG_BKSV(2):
102 case ADV7511_REG_BKSV(3):
103 case ADV7511_REG_BKSV(4):
104 case ADV7511_REG_DDC_STATUS:
cd38a337 105 case ADV7511_REG_EDID_READ_CTRL:
9c8af882
LPC		 106 case ADV7511_REG_BSTATUS(0):
107 case ADV7511_REG_BSTATUS(1):
108 case ADV7511_REG_CHIP_ID_HIGH:
109 case ADV7511_REG_CHIP_ID_LOW:
110 return true;
111 }
112
113 return false;
114}
115
116static const struct regmap_config adv7511_regmap_config = {
117 .reg_bits = 8,
118 .val_bits = 8,
119
120 .max_register = 0xff,
121 .cache_type = REGCACHE_RBTREE,
122 .reg_defaults_raw = adv7511_register_defaults,
123 .num_reg_defaults_raw = ARRAY_SIZE(adv7511_register_defaults),
124
125 .volatile_reg = adv7511_register_volatile,
126};
127
128/* -----------------------------------------------------------------------------
129 * Hardware configuration
130 */
131
132static void adv7511_set_colormap(struct adv7511 *adv7511, bool enable,
133 const uint16_t *coeff,
134 unsigned int scaling_factor)
135{
136 unsigned int i;
137
138 regmap_update_bits(adv7511->regmap, ADV7511_REG_CSC_UPPER(1),
139 ADV7511_CSC_UPDATE_MODE, ADV7511_CSC_UPDATE_MODE);
140
141 if (enable) {
142 for (i = 0; i < 12; ++i) {
143 regmap_update_bits(adv7511->regmap,
144 ADV7511_REG_CSC_UPPER(i),
145 0x1f, coeff[i] >> 8);
146 regmap_write(adv7511->regmap,
147 ADV7511_REG_CSC_LOWER(i),
148 coeff[i] & 0xff);
149 }
150 }
151
152 if (enable)
153 regmap_update_bits(adv7511->regmap, ADV7511_REG_CSC_UPPER(0),
154 0xe0, 0x80 | (scaling_factor << 5));
155 else
156 regmap_update_bits(adv7511->regmap, ADV7511_REG_CSC_UPPER(0),
157 0x80, 0x00);
158
159 regmap_update_bits(adv7511->regmap, ADV7511_REG_CSC_UPPER(1),
160 ADV7511_CSC_UPDATE_MODE, 0);
161}
162
163static int adv7511_packet_enable(struct adv7511 *adv7511, unsigned int packet)
164{
165 if (packet & 0xff)
166 regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE0,
167 packet, 0xff);
168
169 if (packet & 0xff00) {
170 packet >>= 8;
171 regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE1,
172 packet, 0xff);
173 }
174
175 return 0;
176}
177
178static int adv7511_packet_disable(struct adv7511 *adv7511, unsigned int packet)
179{
180 if (packet & 0xff)
181 regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE0,
182 packet, 0x00);
183
184 if (packet & 0xff00) {
185 packet >>= 8;
186 regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE1,
187 packet, 0x00);
188 }
189
190 return 0;
191}
192
193/* Coefficients for adv7511 color space conversion */
194static const uint16_t adv7511_csc_ycbcr_to_rgb[] = {
195 0x0734, 0x04ad, 0x0000, 0x1c1b,
196 0x1ddc, 0x04ad, 0x1f24, 0x0135,
197 0x0000, 0x04ad, 0x087c, 0x1b77,
198};
199
200static void adv7511_set_config_csc(struct adv7511 *adv7511,
201 struct drm_connector *connector,
202 bool rgb)
203{
204 struct adv7511_video_config config;
205 bool output_format_422, output_format_ycbcr;
206 unsigned int mode;
207 uint8_t infoframe[17];
208
209 if (adv7511->edid)
210 config.hdmi_mode = drm_detect_hdmi_monitor(adv7511->edid);
211 else
212 config.hdmi_mode = false;
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
282static 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
c6169e49
LP		 328static void adv7511_power_on(struct adv7511 *adv7511)
329{
330 adv7511->current_edid_segment = -1;
331
c6169e49
LP		 332 regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER,
333 ADV7511_POWER_POWER_DOWN, 0);
d0be8584
WS		 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);
342 regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(1),
343 ADV7511_INT1_DDC_ERROR);
344 }
c6169e49
LP		 345
346 /*
29ce4ed4 347 * Per spec it is allowed to pulse the HPD signal to indicate that the
c6169e49 348 * EDID information has changed. Some monitors do this when they wakeup
29ce4ed4 349 * from standby or are enabled. When the HPD goes low the adv7511 is
c6169e49 350 * reset and the outputs are disabled which might cause the monitor to
29ce4ed4 351 * go to standby again. To avoid this we ignore the HPD pin for the
c6169e49
LP		 352 * first few seconds after enabling the output.
353 */
354 regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2,
29ce4ed4
WS		 355 ADV7511_REG_POWER2_HPD_SRC_MASK,
356 ADV7511_REG_POWER2_HPD_SRC_NONE);
c6169e49
LP		 357
358 /*
359 * Most of the registers are reset during power down or when HPD is low.
360 */
361 regcache_sync(adv7511->regmap);
362
2437e7cd
AT		 363 if (adv7511->type == ADV7533)
364 adv7533_dsi_power_on(adv7511);
365
c6169e49
LP		 366 adv7511->powered = true;
367}
368
369static void adv7511_power_off(struct adv7511 *adv7511)
370{
371 /* TODO: setup additional power down modes */
372 regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER,
373 ADV7511_POWER_POWER_DOWN,
374 ADV7511_POWER_POWER_DOWN);
375 regcache_mark_dirty(adv7511->regmap);
376
2437e7cd
AT		 377 if (adv7511->type == ADV7533)
378 adv7533_dsi_power_off(adv7511);
379
c6169e49
LP		 380 adv7511->powered = false;
381}
382
9c8af882
LPC		 383/* -----------------------------------------------------------------------------
384 * Interrupt and hotplug detection
385 */
386
387static bool adv7511_hpd(struct adv7511 *adv7511)
388{
389 unsigned int irq0;
390 int ret;
391
392 ret = regmap_read(adv7511->regmap, ADV7511_REG_INT(0), &irq0);
393 if (ret < 0)
394 return false;
395
29ce4ed4 396 if (irq0 & ADV7511_INT0_HPD) {
9c8af882 397 regmap_write(adv7511->regmap, ADV7511_REG_INT(0),
29ce4ed4 398 ADV7511_INT0_HPD);
9c8af882
LPC		 399 return true;
400 }
401
402 return false;
403}
404
518cb705
JS		 405static void adv7511_hpd_work(struct work_struct *work)
406{
407 struct adv7511 *adv7511 = container_of(work, struct adv7511, hpd_work);
408
409 drm_helper_hpd_irq_event(adv7511->connector.dev);
410}
411
f0bfcc22 412static int adv7511_irq_process(struct adv7511 *adv7511, bool process_hpd)
9c8af882
LPC		 413{
414 unsigned int irq0, irq1;
9c8af882
LPC		 415 int ret;
416
417 ret = regmap_read(adv7511->regmap, ADV7511_REG_INT(0), &irq0);
418 if (ret < 0)
a5241289
LP		 419 return ret;
420
9c8af882
LPC		 421 ret = regmap_read(adv7511->regmap, ADV7511_REG_INT(1), &irq1);
422 if (ret < 0)
a5241289
LP		 423 return ret;
424
425 regmap_write(adv7511->regmap, ADV7511_REG_INT(0), irq0);
426 regmap_write(adv7511->regmap, ADV7511_REG_INT(1), irq1);
9c8af882 427
f0bfcc22 428 if (process_hpd && irq0 & ADV7511_INT0_HPD && adv7511->bridge.encoder)
518cb705 429 schedule_work(&adv7511->hpd_work);
a5241289
LP		 430
431 if (irq0 & ADV7511_INT0_EDID_READY || irq1 & ADV7511_INT1_DDC_ERROR) {
432 adv7511->edid_read = true;
433
434 if (adv7511->i2c_main->irq)
435 wake_up_all(&adv7511->wq);
436 }
437
438 return 0;
439}
440
441static irqreturn_t adv7511_irq_handler(int irq, void *devid)
442{
443 struct adv7511 *adv7511 = devid;
444 int ret;
9c8af882 445
f0bfcc22 446 ret = adv7511_irq_process(adv7511, true);
a5241289 447 return ret < 0 ? IRQ_NONE : IRQ_HANDLED;
9c8af882
LPC		 448}
449
a5241289
LP		 450/* -----------------------------------------------------------------------------
451 * EDID retrieval
452 */
453
454static int adv7511_wait_for_edid(struct adv7511 *adv7511, int timeout)
9c8af882 455{
9c8af882
LPC		 456 int ret;
457
458 if (adv7511->i2c_main->irq) {
459 ret = wait_event_interruptible_timeout(adv7511->wq,
a5241289 460 adv7511->edid_read, msecs_to_jiffies(timeout));
9c8af882 461 } else {
a5241289 462 for (; timeout > 0; timeout -= 25) {
f0bfcc22 463 ret = adv7511_irq_process(adv7511, false);
a5241289
LP		 464 if (ret < 0)
465 break;
466
467 if (adv7511->edid_read)
9c8af882 468 break;
a5241289 469
9c8af882 470 msleep(25);
a5241289 471 }
9c8af882
LPC		 472 }
473
a5241289 474 return adv7511->edid_read ? 0 : -EIO;
9c8af882
LPC		 475}
476
9c8af882
LPC		 477static int adv7511_get_edid_block(void *data, u8 *buf, unsigned int block,
478 size_t len)
479{
480 struct adv7511 *adv7511 = data;
481 struct i2c_msg xfer[2];
482 uint8_t offset;
483 unsigned int i;
484 int ret;
485
486 if (len > 128)
487 return -EINVAL;
488
489 if (adv7511->current_edid_segment != block / 2) {
490 unsigned int status;
491
492 ret = regmap_read(adv7511->regmap, ADV7511_REG_DDC_STATUS,
493 &status);
494 if (ret < 0)
495 return ret;
496
497 if (status != 2) {
a5241289 498 adv7511->edid_read = false;
9c8af882
LPC		 499 regmap_write(adv7511->regmap, ADV7511_REG_EDID_SEGMENT,
500 block);
a5241289
LP		 501 ret = adv7511_wait_for_edid(adv7511, 200);
502 if (ret < 0)
503 return ret;
9c8af882
LPC		 504 }
505
9c8af882
LPC		 506 /* Break this apart, hopefully more I2C controllers will
507 * support 64 byte transfers than 256 byte transfers
508 */
509
510 xfer[0].addr = adv7511->i2c_edid->addr;
511 xfer[0].flags = 0;
512 xfer[0].len = 1;
513 xfer[0].buf = &offset;
514 xfer[1].addr = adv7511->i2c_edid->addr;
515 xfer[1].flags = I2C_M_RD;
516 xfer[1].len = 64;
517 xfer[1].buf = adv7511->edid_buf;
518
519 offset = 0;
520
521 for (i = 0; i < 4; ++i) {
522 ret = i2c_transfer(adv7511->i2c_edid->adapter, xfer,
523 ARRAY_SIZE(xfer));
524 if (ret < 0)
525 return ret;
526 else if (ret != 2)
527 return -EIO;
528
529 xfer[1].buf += 64;
530 offset += 64;
531 }
532
533 adv7511->current_edid_segment = block / 2;
534 }
535
536 if (block % 2 == 0)
537 memcpy(buf, adv7511->edid_buf, len);
538 else
539 memcpy(buf, adv7511->edid_buf + 128, len);
540
541 return 0;
542}
543
544/* -----------------------------------------------------------------------------
e12c2f64 545 * ADV75xx helpers
9c8af882
LPC		 546 */
547
e12c2f64 548static int adv7511_get_modes(struct adv7511 *adv7511,
9c8af882
LPC		 549 struct drm_connector *connector)
550{
9c8af882
LPC		 551 struct edid *edid;
552 unsigned int count;
553
554 /* Reading the EDID only works if the device is powered */
c6169e49 555 if (!adv7511->powered) {
9c8af882
LPC		 556 regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER,
557 ADV7511_POWER_POWER_DOWN, 0);
d0be8584
WS		 558 if (adv7511->i2c_main->irq) {
559 regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(0),
560 ADV7511_INT0_EDID_READY);
561 regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(1),
562 ADV7511_INT1_DDC_ERROR);
563 }
9c8af882
LPC		 564 adv7511->current_edid_segment = -1;
565 }
566
567 edid = drm_do_get_edid(connector, adv7511_get_edid_block, adv7511);
568
c6169e49 569 if (!adv7511->powered)
9c8af882
LPC		 570 regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER,
571 ADV7511_POWER_POWER_DOWN,
572 ADV7511_POWER_POWER_DOWN);
573
574 kfree(adv7511->edid);
575 adv7511->edid = edid;
576 if (!edid)
577 return 0;
578
579 drm_mode_connector_update_edid_property(connector, edid);
580 count = drm_add_edid_modes(connector, edid);
581
582 adv7511_set_config_csc(adv7511, connector, adv7511->rgb);
583
584 return count;
585}
586
9c8af882 587static enum drm_connector_status
e12c2f64 588adv7511_detect(struct adv7511 *adv7511, struct drm_connector *connector)
9c8af882 589{
9c8af882
LPC		 590 enum drm_connector_status status;
591 unsigned int val;
592 bool hpd;
593 int ret;
594
595 ret = regmap_read(adv7511->regmap, ADV7511_REG_STATUS, &val);
596 if (ret < 0)
597 return connector_status_disconnected;
598
599 if (val & ADV7511_STATUS_HPD)
600 status = connector_status_connected;
601 else
602 status = connector_status_disconnected;
603
604 hpd = adv7511_hpd(adv7511);
605
606 /* The chip resets itself when the cable is disconnected, so in case
607 * there is a pending HPD interrupt and the cable is connected there was
608 * at least one transition from disconnected to connected and the chip
609 * has to be reinitialized. */
c6169e49 610 if (status == connector_status_connected && hpd && adv7511->powered) {
9c8af882 611 regcache_mark_dirty(adv7511->regmap);
c6169e49 612 adv7511_power_on(adv7511);
e12c2f64 613 adv7511_get_modes(adv7511, connector);
9c8af882
LPC		 614 if (adv7511->status == connector_status_connected)
615 status = connector_status_disconnected;
616 } else {
29ce4ed4 617 /* Renable HPD sensing */
9c8af882 618 regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2,
29ce4ed4
WS		 619 ADV7511_REG_POWER2_HPD_SRC_MASK,
620 ADV7511_REG_POWER2_HPD_SRC_BOTH);
9c8af882
LPC		 621 }
622
623 adv7511->status = status;
624 return status;
625}
626
e12c2f64
AT		 627static int adv7511_mode_valid(struct adv7511 *adv7511,
628 struct drm_display_mode *mode)
9c8af882
LPC		 629{
630 if (mode->clock > 165000)
631 return MODE_CLOCK_HIGH;
632
9c8af882
LPC		 633 return MODE_OK;
634}
635
e12c2f64
AT		 636static void adv7511_mode_set(struct adv7511 *adv7511,
637 struct drm_display_mode *mode,
638 struct drm_display_mode *adj_mode)
9c8af882 639{
9c8af882
LPC		 640 unsigned int low_refresh_rate;
641 unsigned int hsync_polarity = 0;
642 unsigned int vsync_polarity = 0;
643
644 if (adv7511->embedded_sync) {
645 unsigned int hsync_offset, hsync_len;
646 unsigned int vsync_offset, vsync_len;
647
648 hsync_offset = adj_mode->crtc_hsync_start -
649 adj_mode->crtc_hdisplay;
650 vsync_offset = adj_mode->crtc_vsync_start -
651 adj_mode->crtc_vdisplay;
652 hsync_len = adj_mode->crtc_hsync_end -
653 adj_mode->crtc_hsync_start;
654 vsync_len = adj_mode->crtc_vsync_end -
655 adj_mode->crtc_vsync_start;
656
657 /* The hardware vsync generator has a off-by-one bug */
658 vsync_offset += 1;
659
660 regmap_write(adv7511->regmap, ADV7511_REG_HSYNC_PLACEMENT_MSB,
661 ((hsync_offset >> 10) & 0x7) << 5);
662 regmap_write(adv7511->regmap, ADV7511_REG_SYNC_DECODER(0),
663 (hsync_offset >> 2) & 0xff);
664 regmap_write(adv7511->regmap, ADV7511_REG_SYNC_DECODER(1),
665 ((hsync_offset & 0x3) << 6) |
666 ((hsync_len >> 4) & 0x3f));
667 regmap_write(adv7511->regmap, ADV7511_REG_SYNC_DECODER(2),
668 ((hsync_len & 0xf) << 4) |
669 ((vsync_offset >> 6) & 0xf));
670 regmap_write(adv7511->regmap, ADV7511_REG_SYNC_DECODER(3),
671 ((vsync_offset & 0x3f) << 2) |
672 ((vsync_len >> 8) & 0x3));
673 regmap_write(adv7511->regmap, ADV7511_REG_SYNC_DECODER(4),
674 vsync_len & 0xff);
675
676 hsync_polarity = !(adj_mode->flags & DRM_MODE_FLAG_PHSYNC);
677 vsync_polarity = !(adj_mode->flags & DRM_MODE_FLAG_PVSYNC);
678 } else {
679 enum adv7511_sync_polarity mode_hsync_polarity;
680 enum adv7511_sync_polarity mode_vsync_polarity;
681
682 /**
683 * If the input signal is always low or always high we want to
684 * invert or let it passthrough depending on the polarity of the
685 * current mode.
686 **/
687 if (adj_mode->flags & DRM_MODE_FLAG_NHSYNC)
688 mode_hsync_polarity = ADV7511_SYNC_POLARITY_LOW;
689 else
690 mode_hsync_polarity = ADV7511_SYNC_POLARITY_HIGH;
691
692 if (adj_mode->flags & DRM_MODE_FLAG_NVSYNC)
693 mode_vsync_polarity = ADV7511_SYNC_POLARITY_LOW;
694 else
695 mode_vsync_polarity = ADV7511_SYNC_POLARITY_HIGH;
696
697 if (adv7511->hsync_polarity != mode_hsync_polarity &&
698 adv7511->hsync_polarity !=
699 ADV7511_SYNC_POLARITY_PASSTHROUGH)
700 hsync_polarity = 1;
701
702 if (adv7511->vsync_polarity != mode_vsync_polarity &&
703 adv7511->vsync_polarity !=
704 ADV7511_SYNC_POLARITY_PASSTHROUGH)
705 vsync_polarity = 1;
706 }
707
708 if (mode->vrefresh <= 24000)
709 low_refresh_rate = ADV7511_LOW_REFRESH_RATE_24HZ;
710 else if (mode->vrefresh <= 25000)
711 low_refresh_rate = ADV7511_LOW_REFRESH_RATE_25HZ;
712 else if (mode->vrefresh <= 30000)
713 low_refresh_rate = ADV7511_LOW_REFRESH_RATE_30HZ;
714 else
715 low_refresh_rate = ADV7511_LOW_REFRESH_RATE_NONE;
716
717 regmap_update_bits(adv7511->regmap, 0xfb,
718 0x6, low_refresh_rate << 1);
719 regmap_update_bits(adv7511->regmap, 0x17,
720 0x60, (vsync_polarity << 6) | (hsync_polarity << 5));
721
62b2f026
AT		 722 if (adv7511->type == ADV7533)
723 adv7533_mode_set(adv7511, adj_mode);
724
78fa479d
AT		 725 drm_mode_copy(&adv7511->curr_mode, adj_mode);
726
9c8af882
LPC		 727 /*
728 * TODO Test first order 4:2:2 to 4:4:4 up conversion method, which is
729 * supposed to give better results.
730 */
731
732 adv7511->f_tmds = mode->clock;
733}
734
e12c2f64
AT		 735/* Connector funcs */
736static struct adv7511 *connector_to_adv7511(struct drm_connector *connector)
737{
738 return container_of(connector, struct adv7511, connector);
739}
740
741static int adv7511_connector_get_modes(struct drm_connector *connector)
742{
743 struct adv7511 *adv = connector_to_adv7511(connector);
744
745 return adv7511_get_modes(adv, connector);
746}
747
748static enum drm_mode_status
749adv7511_connector_mode_valid(struct drm_connector *connector,
750 struct drm_display_mode *mode)
751{
752 struct adv7511 *adv = connector_to_adv7511(connector);
753
754 return adv7511_mode_valid(adv, mode);
755}
756
757static struct drm_connector_helper_funcs adv7511_connector_helper_funcs = {
758 .get_modes = adv7511_connector_get_modes,
759 .mode_valid = adv7511_connector_mode_valid,
760};
761
762static enum drm_connector_status
763adv7511_connector_detect(struct drm_connector *connector, bool force)
764{
765 struct adv7511 *adv = connector_to_adv7511(connector);
766
767 return adv7511_detect(adv, connector);
768}
769
770static struct drm_connector_funcs adv7511_connector_funcs = {
771 .dpms = drm_atomic_helper_connector_dpms,
772 .fill_modes = drm_helper_probe_single_connector_modes,
773 .detect = adv7511_connector_detect,
774 .destroy = drm_connector_cleanup,
775 .reset = drm_atomic_helper_connector_reset,
776 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
777 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
778};
779
780/* Bridge funcs */
781static struct adv7511 *bridge_to_adv7511(struct drm_bridge *bridge)
782{
783 return container_of(bridge, struct adv7511, bridge);
784}
785
786static void adv7511_bridge_enable(struct drm_bridge *bridge)
787{
788 struct adv7511 *adv = bridge_to_adv7511(bridge);
789
790 adv7511_power_on(adv);
791}
792
793static void adv7511_bridge_disable(struct drm_bridge *bridge)
794{
795 struct adv7511 *adv = bridge_to_adv7511(bridge);
796
797 adv7511_power_off(adv);
798}
799
800static void adv7511_bridge_mode_set(struct drm_bridge *bridge,
801 struct drm_display_mode *mode,
802 struct drm_display_mode *adj_mode)
803{
804 struct adv7511 *adv = bridge_to_adv7511(bridge);
805
806 adv7511_mode_set(adv, mode, adj_mode);
807}
808
809static int adv7511_bridge_attach(struct drm_bridge *bridge)
810{
811 struct adv7511 *adv = bridge_to_adv7511(bridge);
812 int ret;
813
814 if (!bridge->encoder) {
815 DRM_ERROR("Parent encoder object not found");
816 return -ENODEV;
817 }
818
819 adv->connector.polled = DRM_CONNECTOR_POLL_HPD;
820
821 ret = drm_connector_init(bridge->dev, &adv->connector,
822 &adv7511_connector_funcs,
823 DRM_MODE_CONNECTOR_HDMIA);
824 if (ret) {
825 DRM_ERROR("Failed to initialize connector with drm\n");
826 return ret;
827 }
828 drm_connector_helper_add(&adv->connector,
829 &adv7511_connector_helper_funcs);
830 drm_mode_connector_attach_encoder(&adv->connector, bridge->encoder);
831
1e4d58cd
AT		 832 if (adv->type == ADV7533)
833 ret = adv7533_attach_dsi(adv);
834
e12c2f64
AT		 835 return ret;
836}
837
838static struct drm_bridge_funcs adv7511_bridge_funcs = {
839 .enable = adv7511_bridge_enable,
840 .disable = adv7511_bridge_disable,
841 .mode_set = adv7511_bridge_mode_set,
842 .attach = adv7511_bridge_attach,
9c8af882
LPC		 843};
844
845/* -----------------------------------------------------------------------------
846 * Probe & remove
847 */
848
5b06ba23
AT		 849static const char * const adv7511_supply_names[] = {
850 "avdd",
851 "dvdd",
852 "pvdd",
853 "bgvdd",
854 "dvdd-3v",
855};
856
857static const char * const adv7533_supply_names[] = {
858 "avdd",
859 "dvdd",
860 "pvdd",
861 "a2vdd",
862 "v3p3",
863 "v1p2",
864};
865
866static int adv7511_init_regulators(struct adv7511 *adv)
867{
868 struct device *dev = &adv->i2c_main->dev;
869 const char * const *supply_names;
870 unsigned int i;
871 int ret;
872
873 if (adv->type == ADV7511) {
874 supply_names = adv7511_supply_names;
875 adv->num_supplies = ARRAY_SIZE(adv7511_supply_names);
876 } else {
877 supply_names = adv7533_supply_names;
878 adv->num_supplies = ARRAY_SIZE(adv7533_supply_names);
879 }
880
881 adv->supplies = devm_kcalloc(dev, adv->num_supplies,
882 sizeof(*adv->supplies), GFP_KERNEL);
883 if (!adv->supplies)
884 return -ENOMEM;
885
886 for (i = 0; i < adv->num_supplies; i++)
887 adv->supplies[i].supply = supply_names[i];
888
889 ret = devm_regulator_bulk_get(dev, adv->num_supplies, adv->supplies);
890 if (ret)
891 return ret;
892
893 return regulator_bulk_enable(adv->num_supplies, adv->supplies);
894}
895
896static void adv7511_uninit_regulators(struct adv7511 *adv)
897{
898 regulator_bulk_disable(adv->num_supplies, adv->supplies);
899}
900
9c8af882
LPC		 901static int adv7511_parse_dt(struct device_node *np,
902 struct adv7511_link_config *config)
903{
904 const char *str;
905 int ret;
906
9c8af882
LPC		 907 of_property_read_u32(np, "adi,input-depth", &config->input_color_depth);
908 if (config->input_color_depth != 8 && config->input_color_depth != 10 &&
909 config->input_color_depth != 12)
910 return -EINVAL;
911
912 ret = of_property_read_string(np, "adi,input-colorspace", &str);
913 if (ret < 0)
914 return ret;
915
916 if (!strcmp(str, "rgb"))
917 config->input_colorspace = HDMI_COLORSPACE_RGB;
918 else if (!strcmp(str, "yuv422"))
919 config->input_colorspace = HDMI_COLORSPACE_YUV422;
920 else if (!strcmp(str, "yuv444"))
921 config->input_colorspace = HDMI_COLORSPACE_YUV444;
922 else
923 return -EINVAL;
924
925 ret = of_property_read_string(np, "adi,input-clock", &str);
926 if (ret < 0)
927 return ret;
928
929 if (!strcmp(str, "1x"))
930 config->input_clock = ADV7511_INPUT_CLOCK_1X;
931 else if (!strcmp(str, "2x"))
932 config->input_clock = ADV7511_INPUT_CLOCK_2X;
933 else if (!strcmp(str, "ddr"))
934 config->input_clock = ADV7511_INPUT_CLOCK_DDR;
935 else
936 return -EINVAL;
937
938 if (config->input_colorspace == HDMI_COLORSPACE_YUV422 ||
939 config->input_clock != ADV7511_INPUT_CLOCK_1X) {
940 ret = of_property_read_u32(np, "adi,input-style",
941 &config->input_style);
942 if (ret)
943 return ret;
944
945 if (config->input_style < 1 || config->input_style > 3)
946 return -EINVAL;
947
948 ret = of_property_read_string(np, "adi,input-justification",
949 &str);
950 if (ret < 0)
951 return ret;
952
953 if (!strcmp(str, "left"))
954 config->input_justification =
955 ADV7511_INPUT_JUSTIFICATION_LEFT;
956 else if (!strcmp(str, "evenly"))
957 config->input_justification =
958 ADV7511_INPUT_JUSTIFICATION_EVENLY;
959 else if (!strcmp(str, "right"))
960 config->input_justification =
961 ADV7511_INPUT_JUSTIFICATION_RIGHT;
962 else
963 return -EINVAL;
964
965 } else {
966 config->input_style = 1;
967 config->input_justification = ADV7511_INPUT_JUSTIFICATION_LEFT;
968 }
969
970 of_property_read_u32(np, "adi,clock-delay", &config->clock_delay);
971 if (config->clock_delay < -1200 || config->clock_delay > 1600)
972 return -EINVAL;
973
974 config->embedded_sync = of_property_read_bool(np, "adi,embedded-sync");
975
976 /* Hardcode the sync pulse configurations for now. */
977 config->sync_pulse = ADV7511_INPUT_SYNC_PULSE_NONE;
978 config->vsync_polarity = ADV7511_SYNC_POLARITY_PASSTHROUGH;
979 config->hsync_polarity = ADV7511_SYNC_POLARITY_PASSTHROUGH;
980
981 return 0;
982}
983
9c8af882
LPC		 984static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
985{
986 struct adv7511_link_config link_config;
987 struct adv7511 *adv7511;
988 struct device *dev = &i2c->dev;
d25a4cbb
SS		 989 unsigned int main_i2c_addr = i2c->addr << 1;
990 unsigned int edid_i2c_addr = main_i2c_addr + 4;
9c8af882
LPC		 991 unsigned int val;
992 int ret;
993
994 if (!dev->of_node)
995 return -EINVAL;
996
997 adv7511 = devm_kzalloc(dev, sizeof(*adv7511), GFP_KERNEL);
998 if (!adv7511)
999 return -ENOMEM;
1000
5b06ba23 1001 adv7511->i2c_main = i2c;
c6169e49 1002 adv7511->powered = false;
9c8af882
LPC		 1003 adv7511->status = connector_status_disconnected;
1004
2437e7cd
AT		 1005 if (dev->of_node)
1006 adv7511->type = (enum adv7511_type)of_device_get_match_data(dev);
1007 else
1008 adv7511->type = id->driver_data;
1009
1010 memset(&link_config, 0, sizeof(link_config));
1011
1e4d58cd 1012 if (adv7511->type == ADV7511)
2437e7cd 1013 ret = adv7511_parse_dt(dev->of_node, &link_config);
1e4d58cd
AT		 1014 else
1015 ret = adv7533_parse_dt(dev->of_node, adv7511);
1016 if (ret)
1017 return ret;
9c8af882 1018
5b06ba23
AT		 1019 ret = adv7511_init_regulators(adv7511);
1020 if (ret) {
1021 dev_err(dev, "failed to init regulators\n");
1022 return ret;
1023 }
1024
9c8af882
LPC		 1025 /*
1026 * The power down GPIO is optional. If present, toggle it from active to
1027 * inactive to wake up the encoder.
1028 */
1029 adv7511->gpio_pd = devm_gpiod_get_optional(dev, "pd", GPIOD_OUT_HIGH);
5b06ba23
AT		 1030 if (IS_ERR(adv7511->gpio_pd)) {
1031 ret = PTR_ERR(adv7511->gpio_pd);
1032 goto uninit_regulators;
1033 }
9c8af882
LPC		 1034
1035 if (adv7511->gpio_pd) {
1036 mdelay(5);
1037 gpiod_set_value_cansleep(adv7511->gpio_pd, 0);
1038 }
1039
1040 adv7511->regmap = devm_regmap_init_i2c(i2c, &adv7511_regmap_config);
5b06ba23
AT		 1041 if (IS_ERR(adv7511->regmap)) {
1042 ret = PTR_ERR(adv7511->regmap);
1043 goto uninit_regulators;
1044 }
9c8af882
LPC		 1045
1046 ret = regmap_read(adv7511->regmap, ADV7511_REG_CHIP_REVISION, &val);
1047 if (ret)
5b06ba23 1048 goto uninit_regulators;
9c8af882
LPC		 1049 dev_dbg(dev, "Rev. %d\n", val);
1050
2437e7cd
AT		 1051 if (adv7511->type == ADV7511)
1052 ret = regmap_register_patch(adv7511->regmap,
1053 adv7511_fixed_registers,
1054 ARRAY_SIZE(adv7511_fixed_registers));
1055 else
1056 ret = adv7533_patch_registers(adv7511);
9c8af882 1057 if (ret)
5b06ba23 1058 goto uninit_regulators;
9c8af882
LPC		 1059
1060 regmap_write(adv7511->regmap, ADV7511_REG_EDID_I2C_ADDR, edid_i2c_addr);
1061 regmap_write(adv7511->regmap, ADV7511_REG_PACKET_I2C_ADDR,
d25a4cbb
SS		 1062 main_i2c_addr - 0xa);
1063 regmap_write(adv7511->regmap, ADV7511_REG_CEC_I2C_ADDR,
1064 main_i2c_addr - 2);
1065
9c8af882
LPC		 1066 adv7511_packet_disable(adv7511, 0xffff);
1067
9c8af882 1068 adv7511->i2c_edid = i2c_new_dummy(i2c->adapter, edid_i2c_addr >> 1);
5b06ba23
AT		 1069 if (!adv7511->i2c_edid) {
1070 ret = -ENOMEM;
1071 goto uninit_regulators;
1072 }
9c8af882 1073
2437e7cd
AT		 1074 if (adv7511->type == ADV7533) {
1075 ret = adv7533_init_cec(adv7511);
1076 if (ret)
1077 goto err_i2c_unregister_edid;
1078 }
1079
518cb705
JS		 1080 INIT_WORK(&adv7511->hpd_work, adv7511_hpd_work);
1081
9c8af882
LPC		 1082 if (i2c->irq) {
1083 init_waitqueue_head(&adv7511->wq);
1084
1085 ret = devm_request_threaded_irq(dev, i2c->irq, NULL,
1086 adv7511_irq_handler,
1087 IRQF_ONESHOT, dev_name(dev),
1088 adv7511);
1089 if (ret)
2437e7cd 1090 goto err_unregister_cec;
9c8af882
LPC		 1091 }
1092
1093 /* CEC is unused for now */
1094 regmap_write(adv7511->regmap, ADV7511_REG_CEC_CTRL,
1095 ADV7511_CEC_CTRL_POWER_DOWN);
1096
c6169e49 1097 adv7511_power_off(adv7511);
9c8af882
LPC		 1098
1099 i2c_set_clientdata(i2c, adv7511);
1100
2437e7cd
AT		 1101 if (adv7511->type == ADV7511)
1102 adv7511_set_link_config(adv7511, &link_config);
9c8af882 1103
e12c2f64
AT		 1104 adv7511->bridge.funcs = &adv7511_bridge_funcs;
1105 adv7511->bridge.of_node = dev->of_node;
1106
1107 ret = drm_bridge_add(&adv7511->bridge);
1108 if (ret) {
1109 dev_err(dev, "failed to add adv7511 bridge\n");
2437e7cd 1110 goto err_unregister_cec;
e12c2f64
AT		 1111 }
1112
53c515be
JS		 1113 adv7511_audio_init(dev, adv7511);
1114
9c8af882
LPC		 1115 return 0;
1116
2437e7cd
AT		 1117err_unregister_cec:
1118 adv7533_uninit_cec(adv7511);
1119err_i2c_unregister_edid:
9c8af882 1120 i2c_unregister_device(adv7511->i2c_edid);
5b06ba23
AT		 1121uninit_regulators:
1122 adv7511_uninit_regulators(adv7511);
9c8af882
LPC		 1123
1124 return ret;
1125}
1126
1127static int adv7511_remove(struct i2c_client *i2c)
1128{
1129 struct adv7511 *adv7511 = i2c_get_clientdata(i2c);
1130
1e4d58cd
AT		 1131 if (adv7511->type == ADV7533) {
1132 adv7533_detach_dsi(adv7511);
1133 adv7533_uninit_cec(adv7511);
1134 }
1135
5b06ba23
AT		 1136 adv7511_uninit_regulators(adv7511);
1137
e12c2f64
AT		 1138 drm_bridge_remove(&adv7511->bridge);
1139
53c515be
JS		 1140 adv7511_audio_exit(adv7511);
1141
9c8af882
LPC		 1142 i2c_unregister_device(adv7511->i2c_edid);
1143
1144 kfree(adv7511->edid);
1145
1146 return 0;
1147}
1148
9c8af882 1149static const struct i2c_device_id adv7511_i2c_ids[] = {
2437e7cd
AT		 1150 { "adv7511", ADV7511 },
1151 { "adv7511w", ADV7511 },
1152 { "adv7513", ADV7511 },
1153#ifdef CONFIG_DRM_I2C_ADV7533
1154 { "adv7533", ADV7533 },
1155#endif
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LPC		 1156 { }
1157};
1158MODULE_DEVICE_TABLE(i2c, adv7511_i2c_ids);
1159
1160static const struct of_device_id adv7511_of_ids[] = {
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AT		 1161 { .compatible = "adi,adv7511", .data = (void *)ADV7511 },
1162 { .compatible = "adi,adv7511w", .data = (void *)ADV7511 },
1163 { .compatible = "adi,adv7513", .data = (void *)ADV7511 },
1164#ifdef CONFIG_DRM_I2C_ADV7533
1165 { .compatible = "adi,adv7533", .data = (void *)ADV7533 },
1166#endif
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LPC		 1167 { }
1168};
1169MODULE_DEVICE_TABLE(of, adv7511_of_ids);
1170
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AT		 1171static struct mipi_dsi_driver adv7533_dsi_driver = {
1172 .driver.name = "adv7533",
1173};
1174
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AT		 1175static struct i2c_driver adv7511_driver = {
1176 .driver = {
1177 .name = "adv7511",
1178 .of_match_table = adv7511_of_ids,
9c8af882 1179 },
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AT		 1180 .id_table = adv7511_i2c_ids,
1181 .probe = adv7511_probe,
1182 .remove = adv7511_remove,
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LPC		 1183};
1184
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AT		 1185static int __init adv7511_init(void)
1186{
1187 if (IS_ENABLED(CONFIG_DRM_MIPI_DSI))
1188 mipi_dsi_driver_register(&adv7533_dsi_driver);
1189
1190 return i2c_add_driver(&adv7511_driver);
1191}
1192module_init(adv7511_init);
1193
1194static void __exit adv7511_exit(void)
1195{
1196 i2c_del_driver(&adv7511_driver);
1197
1198 if (IS_ENABLED(CONFIG_DRM_MIPI_DSI))
1199 mipi_dsi_driver_unregister(&adv7533_dsi_driver);
1200}
1201module_exit(adv7511_exit);
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LPC		 1202
1203MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
1204MODULE_DESCRIPTION("ADV7511 HDMI transmitter driver");
1205MODULE_LICENSE("GPL");
Linux 6.x block layer and io_uring tree(s)