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 #include <drm/drm_probe_helper.h> 21 22 #include <media/cec.h> 23 24 #include "adv7511.h" 25 26 /* ADI recommended values for proper operation. */ 27 static const struct reg_sequence adv7511_fixed_registers[] = { 28 { 0x98, 0x03 }, 29 { 0x9a, 0xe0 }, 30 { 0x9c, 0x30 }, 31 { 0x9d, 0x61 }, 32 { 0xa2, 0xa4 }, 33 { 0xa3, 0xa4 }, 34 { 0xe0, 0xd0 }, 35 { 0xf9, 0x00 }, 36 { 0x55, 0x02 }, 37 }; 38 39 /* ----------------------------------------------------------------------------- 40 * Register access 41 */ 42 43 static const uint8_t adv7511_register_defaults[] = { 44 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 00 */ 45 0x00, 0x00, 0x01, 0x0e, 0xbc, 0x18, 0x01, 0x13, 46 0x25, 0x37, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 10 */ 47 0x46, 0x62, 0x04, 0xa8, 0x00, 0x00, 0x1c, 0x84, 48 0x1c, 0xbf, 0x04, 0xa8, 0x1e, 0x70, 0x02, 0x1e, /* 20 */ 49 0x00, 0x00, 0x04, 0xa8, 0x08, 0x12, 0x1b, 0xac, 50 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 30 */ 51 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0xb0, 52 0x00, 0x50, 0x90, 0x7e, 0x79, 0x70, 0x00, 0x00, /* 40 */ 53 0x00, 0xa8, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 54 0x00, 0x00, 0x02, 0x0d, 0x00, 0x00, 0x00, 0x00, /* 50 */ 55 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 56 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 60 */ 57 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 58 0x01, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 70 */ 59 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 60 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 80 */ 61 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 62 0x00, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 90 */ 63 0x0b, 0x02, 0x00, 0x18, 0x5a, 0x60, 0x00, 0x00, 64 0x00, 0x00, 0x80, 0x80, 0x08, 0x04, 0x00, 0x00, /* a0 */ 65 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x40, 0x14, 66 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* b0 */ 67 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 68 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* c0 */ 69 0x00, 0x03, 0x00, 0x00, 0x02, 0x00, 0x01, 0x04, 70 0x30, 0xff, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, /* d0 */ 71 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x01, 72 0x80, 0x75, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, /* e0 */ 73 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 74 0x00, 0x00, 0x00, 0x00, 0x00, 0x75, 0x11, 0x00, /* f0 */ 75 0x00, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 76 }; 77 78 static bool adv7511_register_volatile(struct device *dev, unsigned int reg) 79 { 80 switch (reg) { 81 case ADV7511_REG_CHIP_REVISION: 82 case ADV7511_REG_SPDIF_FREQ: 83 case ADV7511_REG_CTS_AUTOMATIC1: 84 case ADV7511_REG_CTS_AUTOMATIC2: 85 case ADV7511_REG_VIC_DETECTED: 86 case ADV7511_REG_VIC_SEND: 87 case ADV7511_REG_AUX_VIC_DETECTED: 88 case ADV7511_REG_STATUS: 89 case ADV7511_REG_GC(1): 90 case ADV7511_REG_INT(0): 91 case ADV7511_REG_INT(1): 92 case ADV7511_REG_PLL_STATUS: 93 case ADV7511_REG_AN(0): 94 case ADV7511_REG_AN(1): 95 case ADV7511_REG_AN(2): 96 case ADV7511_REG_AN(3): 97 case ADV7511_REG_AN(4): 98 case ADV7511_REG_AN(5): 99 case ADV7511_REG_AN(6): 100 case ADV7511_REG_AN(7): 101 case ADV7511_REG_HDCP_STATUS: 102 case ADV7511_REG_BCAPS: 103 case ADV7511_REG_BKSV(0): 104 case ADV7511_REG_BKSV(1): 105 case ADV7511_REG_BKSV(2): 106 case ADV7511_REG_BKSV(3): 107 case ADV7511_REG_BKSV(4): 108 case ADV7511_REG_DDC_STATUS: 109 case ADV7511_REG_EDID_READ_CTRL: 110 case ADV7511_REG_BSTATUS(0): 111 case ADV7511_REG_BSTATUS(1): 112 case ADV7511_REG_CHIP_ID_HIGH: 113 case ADV7511_REG_CHIP_ID_LOW: 114 return true; 115 } 116 117 return false; 118 } 119 120 static const struct regmap_config adv7511_regmap_config = { 121 .reg_bits = 8, 122 .val_bits = 8, 123 124 .max_register = 0xff, 125 .cache_type = REGCACHE_RBTREE, 126 .reg_defaults_raw = adv7511_register_defaults, 127 .num_reg_defaults_raw = ARRAY_SIZE(adv7511_register_defaults), 128 129 .volatile_reg = adv7511_register_volatile, 130 }; 131 132 /* ----------------------------------------------------------------------------- 133 * Hardware configuration 134 */ 135 136 static void adv7511_set_colormap(struct adv7511 *adv7511, bool enable, 137 const uint16_t *coeff, 138 unsigned int scaling_factor) 139 { 140 unsigned int i; 141 142 regmap_update_bits(adv7511->regmap, ADV7511_REG_CSC_UPPER(1), 143 ADV7511_CSC_UPDATE_MODE, ADV7511_CSC_UPDATE_MODE); 144 145 if (enable) { 146 for (i = 0; i < 12; ++i) { 147 regmap_update_bits(adv7511->regmap, 148 ADV7511_REG_CSC_UPPER(i), 149 0x1f, coeff[i] >> 8); 150 regmap_write(adv7511->regmap, 151 ADV7511_REG_CSC_LOWER(i), 152 coeff[i] & 0xff); 153 } 154 } 155 156 if (enable) 157 regmap_update_bits(adv7511->regmap, ADV7511_REG_CSC_UPPER(0), 158 0xe0, 0x80 | (scaling_factor << 5)); 159 else 160 regmap_update_bits(adv7511->regmap, ADV7511_REG_CSC_UPPER(0), 161 0x80, 0x00); 162 163 regmap_update_bits(adv7511->regmap, ADV7511_REG_CSC_UPPER(1), 164 ADV7511_CSC_UPDATE_MODE, 0); 165 } 166 167 static int adv7511_packet_enable(struct adv7511 *adv7511, unsigned int packet) 168 { 169 if (packet & 0xff) 170 regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE0, 171 packet, 0xff); 172 173 if (packet & 0xff00) { 174 packet >>= 8; 175 regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE1, 176 packet, 0xff); 177 } 178 179 return 0; 180 } 181 182 static int adv7511_packet_disable(struct adv7511 *adv7511, unsigned int packet) 183 { 184 if (packet & 0xff) 185 regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE0, 186 packet, 0x00); 187 188 if (packet & 0xff00) { 189 packet >>= 8; 190 regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE1, 191 packet, 0x00); 192 } 193 194 return 0; 195 } 196 197 /* Coefficients for adv7511 color space conversion */ 198 static const uint16_t adv7511_csc_ycbcr_to_rgb[] = { 199 0x0734, 0x04ad, 0x0000, 0x1c1b, 200 0x1ddc, 0x04ad, 0x1f24, 0x0135, 201 0x0000, 0x04ad, 0x087c, 0x1b77, 202 }; 203 204 static void adv7511_set_config_csc(struct adv7511 *adv7511, 205 struct drm_connector *connector, 206 bool rgb, bool hdmi_mode) 207 { 208 struct adv7511_video_config config; 209 bool output_format_422, output_format_ycbcr; 210 unsigned int mode; 211 uint8_t infoframe[17]; 212 213 config.hdmi_mode = hdmi_mode; 214 215 hdmi_avi_infoframe_init(&config.avi_infoframe); 216 217 config.avi_infoframe.scan_mode = HDMI_SCAN_MODE_UNDERSCAN; 218 219 if (rgb) { 220 config.csc_enable = false; 221 config.avi_infoframe.colorspace = HDMI_COLORSPACE_RGB; 222 } else { 223 config.csc_scaling_factor = ADV7511_CSC_SCALING_4; 224 config.csc_coefficents = adv7511_csc_ycbcr_to_rgb; 225 226 if ((connector->display_info.color_formats & 227 DRM_COLOR_FORMAT_YCRCB422) && 228 config.hdmi_mode) { 229 config.csc_enable = false; 230 config.avi_infoframe.colorspace = 231 HDMI_COLORSPACE_YUV422; 232 } else { 233 config.csc_enable = true; 234 config.avi_infoframe.colorspace = HDMI_COLORSPACE_RGB; 235 } 236 } 237 238 if (config.hdmi_mode) { 239 mode = ADV7511_HDMI_CFG_MODE_HDMI; 240 241 switch (config.avi_infoframe.colorspace) { 242 case HDMI_COLORSPACE_YUV444: 243 output_format_422 = false; 244 output_format_ycbcr = true; 245 break; 246 case HDMI_COLORSPACE_YUV422: 247 output_format_422 = true; 248 output_format_ycbcr = true; 249 break; 250 default: 251 output_format_422 = false; 252 output_format_ycbcr = false; 253 break; 254 } 255 } else { 256 mode = ADV7511_HDMI_CFG_MODE_DVI; 257 output_format_422 = false; 258 output_format_ycbcr = false; 259 } 260 261 adv7511_packet_disable(adv7511, ADV7511_PACKET_ENABLE_AVI_INFOFRAME); 262 263 adv7511_set_colormap(adv7511, config.csc_enable, 264 config.csc_coefficents, 265 config.csc_scaling_factor); 266 267 regmap_update_bits(adv7511->regmap, ADV7511_REG_VIDEO_INPUT_CFG1, 0x81, 268 (output_format_422 << 7) | output_format_ycbcr); 269 270 regmap_update_bits(adv7511->regmap, ADV7511_REG_HDCP_HDMI_CFG, 271 ADV7511_HDMI_CFG_MODE_MASK, mode); 272 273 hdmi_avi_infoframe_pack(&config.avi_infoframe, infoframe, 274 sizeof(infoframe)); 275 276 /* The AVI infoframe id is not configurable */ 277 regmap_bulk_write(adv7511->regmap, ADV7511_REG_AVI_INFOFRAME_VERSION, 278 infoframe + 1, sizeof(infoframe) - 1); 279 280 adv7511_packet_enable(adv7511, ADV7511_PACKET_ENABLE_AVI_INFOFRAME); 281 } 282 283 static void adv7511_set_link_config(struct adv7511 *adv7511, 284 const struct adv7511_link_config *config) 285 { 286 /* 287 * The input style values documented in the datasheet don't match the 288 * hardware register field values :-( 289 */ 290 static const unsigned int input_styles[4] = { 0, 2, 1, 3 }; 291 292 unsigned int clock_delay; 293 unsigned int color_depth; 294 unsigned int input_id; 295 296 clock_delay = (config->clock_delay + 1200) / 400; 297 color_depth = config->input_color_depth == 8 ? 3 298 : (config->input_color_depth == 10 ? 1 : 2); 299 300 /* TODO Support input ID 6 */ 301 if (config->input_colorspace != HDMI_COLORSPACE_YUV422) 302 input_id = config->input_clock == ADV7511_INPUT_CLOCK_DDR 303 ? 5 : 0; 304 else if (config->input_clock == ADV7511_INPUT_CLOCK_DDR) 305 input_id = config->embedded_sync ? 8 : 7; 306 else if (config->input_clock == ADV7511_INPUT_CLOCK_2X) 307 input_id = config->embedded_sync ? 4 : 3; 308 else 309 input_id = config->embedded_sync ? 2 : 1; 310 311 regmap_update_bits(adv7511->regmap, ADV7511_REG_I2C_FREQ_ID_CFG, 0xf, 312 input_id); 313 regmap_update_bits(adv7511->regmap, ADV7511_REG_VIDEO_INPUT_CFG1, 0x7e, 314 (color_depth << 4) | 315 (input_styles[config->input_style] << 2)); 316 regmap_write(adv7511->regmap, ADV7511_REG_VIDEO_INPUT_CFG2, 317 config->input_justification << 3); 318 regmap_write(adv7511->regmap, ADV7511_REG_TIMING_GEN_SEQ, 319 config->sync_pulse << 2); 320 321 regmap_write(adv7511->regmap, 0xba, clock_delay << 5); 322 323 adv7511->embedded_sync = config->embedded_sync; 324 adv7511->hsync_polarity = config->hsync_polarity; 325 adv7511->vsync_polarity = config->vsync_polarity; 326 adv7511->rgb = config->input_colorspace == HDMI_COLORSPACE_RGB; 327 } 328 329 static void __adv7511_power_on(struct adv7511 *adv7511) 330 { 331 adv7511->current_edid_segment = -1; 332 333 regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER, 334 ADV7511_POWER_POWER_DOWN, 0); 335 if (adv7511->i2c_main->irq) { 336 /* 337 * Documentation says the INT_ENABLE registers are reset in 338 * POWER_DOWN mode. My 7511w preserved the bits, however. 339 * Still, let's be safe and stick to the documentation. 340 */ 341 regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(0), 342 ADV7511_INT0_EDID_READY | ADV7511_INT0_HPD); 343 regmap_update_bits(adv7511->regmap, 344 ADV7511_REG_INT_ENABLE(1), 345 ADV7511_INT1_DDC_ERROR, 346 ADV7511_INT1_DDC_ERROR); 347 } 348 349 /* 350 * Per spec it is allowed to pulse the HPD signal to indicate that the 351 * EDID information has changed. Some monitors do this when they wakeup 352 * from standby or are enabled. When the HPD goes low the adv7511 is 353 * reset and the outputs are disabled which might cause the monitor to 354 * go to standby again. To avoid this we ignore the HPD pin for the 355 * first few seconds after enabling the output. 356 */ 357 regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2, 358 ADV7511_REG_POWER2_HPD_SRC_MASK, 359 ADV7511_REG_POWER2_HPD_SRC_NONE); 360 } 361 362 static void adv7511_power_on(struct adv7511 *adv7511) 363 { 364 __adv7511_power_on(adv7511); 365 366 /* 367 * Most of the registers are reset during power down or when HPD is low. 368 */ 369 regcache_sync(adv7511->regmap); 370 371 if (adv7511->type == ADV7533) 372 adv7533_dsi_power_on(adv7511); 373 adv7511->powered = true; 374 } 375 376 static void __adv7511_power_off(struct adv7511 *adv7511) 377 { 378 /* TODO: setup additional power down modes */ 379 regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER, 380 ADV7511_POWER_POWER_DOWN, 381 ADV7511_POWER_POWER_DOWN); 382 regmap_update_bits(adv7511->regmap, 383 ADV7511_REG_INT_ENABLE(1), 384 ADV7511_INT1_DDC_ERROR, 0); 385 regcache_mark_dirty(adv7511->regmap); 386 } 387 388 static void adv7511_power_off(struct adv7511 *adv7511) 389 { 390 __adv7511_power_off(adv7511); 391 if (adv7511->type == ADV7533) 392 adv7533_dsi_power_off(adv7511); 393 adv7511->powered = false; 394 } 395 396 /* ----------------------------------------------------------------------------- 397 * Interrupt and hotplug detection 398 */ 399 400 static bool adv7511_hpd(struct adv7511 *adv7511) 401 { 402 unsigned int irq0; 403 int ret; 404 405 ret = regmap_read(adv7511->regmap, ADV7511_REG_INT(0), &irq0); 406 if (ret < 0) 407 return false; 408 409 if (irq0 & ADV7511_INT0_HPD) { 410 regmap_write(adv7511->regmap, ADV7511_REG_INT(0), 411 ADV7511_INT0_HPD); 412 return true; 413 } 414 415 return false; 416 } 417 418 static void adv7511_hpd_work(struct work_struct *work) 419 { 420 struct adv7511 *adv7511 = container_of(work, struct adv7511, hpd_work); 421 enum drm_connector_status status; 422 unsigned int val; 423 int ret; 424 425 ret = regmap_read(adv7511->regmap, ADV7511_REG_STATUS, &val); 426 if (ret < 0) 427 status = connector_status_disconnected; 428 else if (val & ADV7511_STATUS_HPD) 429 status = connector_status_connected; 430 else 431 status = connector_status_disconnected; 432 433 /* 434 * The bridge resets its registers on unplug. So when we get a plug 435 * event and we're already supposed to be powered, cycle the bridge to 436 * restore its state. 437 */ 438 if (status == connector_status_connected && 439 adv7511->connector.status == connector_status_disconnected && 440 adv7511->powered) { 441 regcache_mark_dirty(adv7511->regmap); 442 adv7511_power_on(adv7511); 443 } 444 445 if (adv7511->connector.status != status) { 446 adv7511->connector.status = status; 447 if (status == connector_status_disconnected) 448 cec_phys_addr_invalidate(adv7511->cec_adap); 449 drm_kms_helper_hotplug_event(adv7511->connector.dev); 450 } 451 } 452 453 static int adv7511_irq_process(struct adv7511 *adv7511, bool process_hpd) 454 { 455 unsigned int irq0, irq1; 456 int ret; 457 458 ret = regmap_read(adv7511->regmap, ADV7511_REG_INT(0), &irq0); 459 if (ret < 0) 460 return ret; 461 462 ret = regmap_read(adv7511->regmap, ADV7511_REG_INT(1), &irq1); 463 if (ret < 0) 464 return ret; 465 466 regmap_write(adv7511->regmap, ADV7511_REG_INT(0), irq0); 467 regmap_write(adv7511->regmap, ADV7511_REG_INT(1), irq1); 468 469 if (process_hpd && irq0 & ADV7511_INT0_HPD && adv7511->bridge.encoder) 470 schedule_work(&adv7511->hpd_work); 471 472 if (irq0 & ADV7511_INT0_EDID_READY || irq1 & ADV7511_INT1_DDC_ERROR) { 473 adv7511->edid_read = true; 474 475 if (adv7511->i2c_main->irq) 476 wake_up_all(&adv7511->wq); 477 } 478 479 #ifdef CONFIG_DRM_I2C_ADV7511_CEC 480 adv7511_cec_irq_process(adv7511, irq1); 481 #endif 482 483 return 0; 484 } 485 486 static irqreturn_t adv7511_irq_handler(int irq, void *devid) 487 { 488 struct adv7511 *adv7511 = devid; 489 int ret; 490 491 ret = adv7511_irq_process(adv7511, true); 492 return ret < 0 ? IRQ_NONE : IRQ_HANDLED; 493 } 494 495 /* ----------------------------------------------------------------------------- 496 * EDID retrieval 497 */ 498 499 static int adv7511_wait_for_edid(struct adv7511 *adv7511, int timeout) 500 { 501 int ret; 502 503 if (adv7511->i2c_main->irq) { 504 ret = wait_event_interruptible_timeout(adv7511->wq, 505 adv7511->edid_read, msecs_to_jiffies(timeout)); 506 } else { 507 for (; timeout > 0; timeout -= 25) { 508 ret = adv7511_irq_process(adv7511, false); 509 if (ret < 0) 510 break; 511 512 if (adv7511->edid_read) 513 break; 514 515 msleep(25); 516 } 517 } 518 519 return adv7511->edid_read ? 0 : -EIO; 520 } 521 522 static int adv7511_get_edid_block(void *data, u8 *buf, unsigned int block, 523 size_t len) 524 { 525 struct adv7511 *adv7511 = data; 526 struct i2c_msg xfer[2]; 527 uint8_t offset; 528 unsigned int i; 529 int ret; 530 531 if (len > 128) 532 return -EINVAL; 533 534 if (adv7511->current_edid_segment != block / 2) { 535 unsigned int status; 536 537 ret = regmap_read(adv7511->regmap, ADV7511_REG_DDC_STATUS, 538 &status); 539 if (ret < 0) 540 return ret; 541 542 if (status != 2) { 543 adv7511->edid_read = false; 544 regmap_write(adv7511->regmap, ADV7511_REG_EDID_SEGMENT, 545 block); 546 ret = adv7511_wait_for_edid(adv7511, 200); 547 if (ret < 0) 548 return ret; 549 } 550 551 /* Break this apart, hopefully more I2C controllers will 552 * support 64 byte transfers than 256 byte transfers 553 */ 554 555 xfer[0].addr = adv7511->i2c_edid->addr; 556 xfer[0].flags = 0; 557 xfer[0].len = 1; 558 xfer[0].buf = &offset; 559 xfer[1].addr = adv7511->i2c_edid->addr; 560 xfer[1].flags = I2C_M_RD; 561 xfer[1].len = 64; 562 xfer[1].buf = adv7511->edid_buf; 563 564 offset = 0; 565 566 for (i = 0; i < 4; ++i) { 567 ret = i2c_transfer(adv7511->i2c_edid->adapter, xfer, 568 ARRAY_SIZE(xfer)); 569 if (ret < 0) 570 return ret; 571 else if (ret != 2) 572 return -EIO; 573 574 xfer[1].buf += 64; 575 offset += 64; 576 } 577 578 adv7511->current_edid_segment = block / 2; 579 } 580 581 if (block % 2 == 0) 582 memcpy(buf, adv7511->edid_buf, len); 583 else 584 memcpy(buf, adv7511->edid_buf + 128, len); 585 586 return 0; 587 } 588 589 /* ----------------------------------------------------------------------------- 590 * ADV75xx helpers 591 */ 592 593 static int adv7511_get_modes(struct adv7511 *adv7511, 594 struct drm_connector *connector) 595 { 596 struct edid *edid; 597 unsigned int count; 598 599 /* Reading the EDID only works if the device is powered */ 600 if (!adv7511->powered) { 601 unsigned int edid_i2c_addr = 602 (adv7511->i2c_edid->addr << 1); 603 604 __adv7511_power_on(adv7511); 605 606 /* Reset the EDID_I2C_ADDR register as it might be cleared */ 607 regmap_write(adv7511->regmap, ADV7511_REG_EDID_I2C_ADDR, 608 edid_i2c_addr); 609 } 610 611 edid = drm_do_get_edid(connector, adv7511_get_edid_block, adv7511); 612 613 if (!adv7511->powered) 614 __adv7511_power_off(adv7511); 615 616 617 drm_connector_update_edid_property(connector, edid); 618 count = drm_add_edid_modes(connector, edid); 619 620 adv7511_set_config_csc(adv7511, connector, adv7511->rgb, 621 drm_detect_hdmi_monitor(edid)); 622 623 cec_s_phys_addr_from_edid(adv7511->cec_adap, edid); 624 625 kfree(edid); 626 627 return count; 628 } 629 630 static enum drm_connector_status 631 adv7511_detect(struct adv7511 *adv7511, struct drm_connector *connector) 632 { 633 enum drm_connector_status status; 634 unsigned int val; 635 bool hpd; 636 int ret; 637 638 ret = regmap_read(adv7511->regmap, ADV7511_REG_STATUS, &val); 639 if (ret < 0) 640 return connector_status_disconnected; 641 642 if (val & ADV7511_STATUS_HPD) 643 status = connector_status_connected; 644 else 645 status = connector_status_disconnected; 646 647 hpd = adv7511_hpd(adv7511); 648 649 /* The chip resets itself when the cable is disconnected, so in case 650 * there is a pending HPD interrupt and the cable is connected there was 651 * at least one transition from disconnected to connected and the chip 652 * has to be reinitialized. */ 653 if (status == connector_status_connected && hpd && adv7511->powered) { 654 regcache_mark_dirty(adv7511->regmap); 655 adv7511_power_on(adv7511); 656 adv7511_get_modes(adv7511, connector); 657 if (adv7511->status == connector_status_connected) 658 status = connector_status_disconnected; 659 } else { 660 /* Renable HPD sensing */ 661 regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2, 662 ADV7511_REG_POWER2_HPD_SRC_MASK, 663 ADV7511_REG_POWER2_HPD_SRC_BOTH); 664 } 665 666 adv7511->status = status; 667 return status; 668 } 669 670 static enum drm_mode_status adv7511_mode_valid(struct adv7511 *adv7511, 671 struct drm_display_mode *mode) 672 { 673 if (mode->clock > 165000) 674 return MODE_CLOCK_HIGH; 675 676 return MODE_OK; 677 } 678 679 static void adv7511_mode_set(struct adv7511 *adv7511, 680 const struct drm_display_mode *mode, 681 const struct drm_display_mode *adj_mode) 682 { 683 unsigned int low_refresh_rate; 684 unsigned int hsync_polarity = 0; 685 unsigned int vsync_polarity = 0; 686 687 if (adv7511->embedded_sync) { 688 unsigned int hsync_offset, hsync_len; 689 unsigned int vsync_offset, vsync_len; 690 691 hsync_offset = adj_mode->crtc_hsync_start - 692 adj_mode->crtc_hdisplay; 693 vsync_offset = adj_mode->crtc_vsync_start - 694 adj_mode->crtc_vdisplay; 695 hsync_len = adj_mode->crtc_hsync_end - 696 adj_mode->crtc_hsync_start; 697 vsync_len = adj_mode->crtc_vsync_end - 698 adj_mode->crtc_vsync_start; 699 700 /* The hardware vsync generator has a off-by-one bug */ 701 vsync_offset += 1; 702 703 regmap_write(adv7511->regmap, ADV7511_REG_HSYNC_PLACEMENT_MSB, 704 ((hsync_offset >> 10) & 0x7) << 5); 705 regmap_write(adv7511->regmap, ADV7511_REG_SYNC_DECODER(0), 706 (hsync_offset >> 2) & 0xff); 707 regmap_write(adv7511->regmap, ADV7511_REG_SYNC_DECODER(1), 708 ((hsync_offset & 0x3) << 6) | 709 ((hsync_len >> 4) & 0x3f)); 710 regmap_write(adv7511->regmap, ADV7511_REG_SYNC_DECODER(2), 711 ((hsync_len & 0xf) << 4) | 712 ((vsync_offset >> 6) & 0xf)); 713 regmap_write(adv7511->regmap, ADV7511_REG_SYNC_DECODER(3), 714 ((vsync_offset & 0x3f) << 2) | 715 ((vsync_len >> 8) & 0x3)); 716 regmap_write(adv7511->regmap, ADV7511_REG_SYNC_DECODER(4), 717 vsync_len & 0xff); 718 719 hsync_polarity = !(adj_mode->flags & DRM_MODE_FLAG_PHSYNC); 720 vsync_polarity = !(adj_mode->flags & DRM_MODE_FLAG_PVSYNC); 721 } else { 722 enum adv7511_sync_polarity mode_hsync_polarity; 723 enum adv7511_sync_polarity mode_vsync_polarity; 724 725 /** 726 * If the input signal is always low or always high we want to 727 * invert or let it passthrough depending on the polarity of the 728 * current mode. 729 **/ 730 if (adj_mode->flags & DRM_MODE_FLAG_NHSYNC) 731 mode_hsync_polarity = ADV7511_SYNC_POLARITY_LOW; 732 else 733 mode_hsync_polarity = ADV7511_SYNC_POLARITY_HIGH; 734 735 if (adj_mode->flags & DRM_MODE_FLAG_NVSYNC) 736 mode_vsync_polarity = ADV7511_SYNC_POLARITY_LOW; 737 else 738 mode_vsync_polarity = ADV7511_SYNC_POLARITY_HIGH; 739 740 if (adv7511->hsync_polarity != mode_hsync_polarity && 741 adv7511->hsync_polarity != 742 ADV7511_SYNC_POLARITY_PASSTHROUGH) 743 hsync_polarity = 1; 744 745 if (adv7511->vsync_polarity != mode_vsync_polarity && 746 adv7511->vsync_polarity != 747 ADV7511_SYNC_POLARITY_PASSTHROUGH) 748 vsync_polarity = 1; 749 } 750 751 if (drm_mode_vrefresh(mode) <= 24) 752 low_refresh_rate = ADV7511_LOW_REFRESH_RATE_24HZ; 753 else if (drm_mode_vrefresh(mode) <= 25) 754 low_refresh_rate = ADV7511_LOW_REFRESH_RATE_25HZ; 755 else if (drm_mode_vrefresh(mode) <= 30) 756 low_refresh_rate = ADV7511_LOW_REFRESH_RATE_30HZ; 757 else 758 low_refresh_rate = ADV7511_LOW_REFRESH_RATE_NONE; 759 760 regmap_update_bits(adv7511->regmap, 0xfb, 761 0x6, low_refresh_rate << 1); 762 regmap_update_bits(adv7511->regmap, 0x17, 763 0x60, (vsync_polarity << 6) | (hsync_polarity << 5)); 764 765 if (adv7511->type == ADV7533) 766 adv7533_mode_set(adv7511, adj_mode); 767 768 drm_mode_copy(&adv7511->curr_mode, adj_mode); 769 770 /* 771 * TODO Test first order 4:2:2 to 4:4:4 up conversion method, which is 772 * supposed to give better results. 773 */ 774 775 adv7511->f_tmds = mode->clock; 776 } 777 778 /* Connector funcs */ 779 static struct adv7511 *connector_to_adv7511(struct drm_connector *connector) 780 { 781 return container_of(connector, struct adv7511, connector); 782 } 783 784 static int adv7511_connector_get_modes(struct drm_connector *connector) 785 { 786 struct adv7511 *adv = connector_to_adv7511(connector); 787 788 return adv7511_get_modes(adv, connector); 789 } 790 791 static enum drm_mode_status 792 adv7511_connector_mode_valid(struct drm_connector *connector, 793 struct drm_display_mode *mode) 794 { 795 struct adv7511 *adv = connector_to_adv7511(connector); 796 797 return adv7511_mode_valid(adv, mode); 798 } 799 800 static struct drm_connector_helper_funcs adv7511_connector_helper_funcs = { 801 .get_modes = adv7511_connector_get_modes, 802 .mode_valid = adv7511_connector_mode_valid, 803 }; 804 805 static enum drm_connector_status 806 adv7511_connector_detect(struct drm_connector *connector, bool force) 807 { 808 struct adv7511 *adv = connector_to_adv7511(connector); 809 810 return adv7511_detect(adv, connector); 811 } 812 813 static const struct drm_connector_funcs adv7511_connector_funcs = { 814 .fill_modes = drm_helper_probe_single_connector_modes, 815 .detect = adv7511_connector_detect, 816 .destroy = drm_connector_cleanup, 817 .reset = drm_atomic_helper_connector_reset, 818 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 819 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 820 }; 821 822 /* Bridge funcs */ 823 static struct adv7511 *bridge_to_adv7511(struct drm_bridge *bridge) 824 { 825 return container_of(bridge, struct adv7511, bridge); 826 } 827 828 static void adv7511_bridge_enable(struct drm_bridge *bridge) 829 { 830 struct adv7511 *adv = bridge_to_adv7511(bridge); 831 832 adv7511_power_on(adv); 833 } 834 835 static void adv7511_bridge_disable(struct drm_bridge *bridge) 836 { 837 struct adv7511 *adv = bridge_to_adv7511(bridge); 838 839 adv7511_power_off(adv); 840 } 841 842 static void adv7511_bridge_mode_set(struct drm_bridge *bridge, 843 const struct drm_display_mode *mode, 844 const struct drm_display_mode *adj_mode) 845 { 846 struct adv7511 *adv = bridge_to_adv7511(bridge); 847 848 adv7511_mode_set(adv, mode, adj_mode); 849 } 850 851 static int adv7511_bridge_attach(struct drm_bridge *bridge) 852 { 853 struct adv7511 *adv = bridge_to_adv7511(bridge); 854 int ret; 855 856 if (!bridge->encoder) { 857 DRM_ERROR("Parent encoder object not found"); 858 return -ENODEV; 859 } 860 861 if (adv->i2c_main->irq) 862 adv->connector.polled = DRM_CONNECTOR_POLL_HPD; 863 else 864 adv->connector.polled = DRM_CONNECTOR_POLL_CONNECT | 865 DRM_CONNECTOR_POLL_DISCONNECT; 866 867 ret = drm_connector_init(bridge->dev, &adv->connector, 868 &adv7511_connector_funcs, 869 DRM_MODE_CONNECTOR_HDMIA); 870 if (ret) { 871 DRM_ERROR("Failed to initialize connector with drm\n"); 872 return ret; 873 } 874 drm_connector_helper_add(&adv->connector, 875 &adv7511_connector_helper_funcs); 876 drm_connector_attach_encoder(&adv->connector, bridge->encoder); 877 878 if (adv->type == ADV7533) 879 ret = adv7533_attach_dsi(adv); 880 881 if (adv->i2c_main->irq) 882 regmap_write(adv->regmap, ADV7511_REG_INT_ENABLE(0), 883 ADV7511_INT0_HPD); 884 885 return ret; 886 } 887 888 static const struct drm_bridge_funcs adv7511_bridge_funcs = { 889 .enable = adv7511_bridge_enable, 890 .disable = adv7511_bridge_disable, 891 .mode_set = adv7511_bridge_mode_set, 892 .attach = adv7511_bridge_attach, 893 }; 894 895 /* ----------------------------------------------------------------------------- 896 * Probe & remove 897 */ 898 899 static const char * const adv7511_supply_names[] = { 900 "avdd", 901 "dvdd", 902 "pvdd", 903 "bgvdd", 904 "dvdd-3v", 905 }; 906 907 static const char * const adv7533_supply_names[] = { 908 "avdd", 909 "dvdd", 910 "pvdd", 911 "a2vdd", 912 "v3p3", 913 "v1p2", 914 }; 915 916 static int adv7511_init_regulators(struct adv7511 *adv) 917 { 918 struct device *dev = &adv->i2c_main->dev; 919 const char * const *supply_names; 920 unsigned int i; 921 int ret; 922 923 if (adv->type == ADV7511) { 924 supply_names = adv7511_supply_names; 925 adv->num_supplies = ARRAY_SIZE(adv7511_supply_names); 926 } else { 927 supply_names = adv7533_supply_names; 928 adv->num_supplies = ARRAY_SIZE(adv7533_supply_names); 929 } 930 931 adv->supplies = devm_kcalloc(dev, adv->num_supplies, 932 sizeof(*adv->supplies), GFP_KERNEL); 933 if (!adv->supplies) 934 return -ENOMEM; 935 936 for (i = 0; i < adv->num_supplies; i++) 937 adv->supplies[i].supply = supply_names[i]; 938 939 ret = devm_regulator_bulk_get(dev, adv->num_supplies, adv->supplies); 940 if (ret) 941 return ret; 942 943 return regulator_bulk_enable(adv->num_supplies, adv->supplies); 944 } 945 946 static void adv7511_uninit_regulators(struct adv7511 *adv) 947 { 948 regulator_bulk_disable(adv->num_supplies, adv->supplies); 949 } 950 951 static bool adv7511_cec_register_volatile(struct device *dev, unsigned int reg) 952 { 953 struct i2c_client *i2c = to_i2c_client(dev); 954 struct adv7511 *adv7511 = i2c_get_clientdata(i2c); 955 956 if (adv7511->type == ADV7533) 957 reg -= ADV7533_REG_CEC_OFFSET; 958 959 switch (reg) { 960 case ADV7511_REG_CEC_RX_FRAME_HDR: 961 case ADV7511_REG_CEC_RX_FRAME_DATA0... 962 ADV7511_REG_CEC_RX_FRAME_DATA0 + 14: 963 case ADV7511_REG_CEC_RX_FRAME_LEN: 964 case ADV7511_REG_CEC_RX_BUFFERS: 965 case ADV7511_REG_CEC_TX_LOW_DRV_CNT: 966 return true; 967 } 968 969 return false; 970 } 971 972 static const struct regmap_config adv7511_cec_regmap_config = { 973 .reg_bits = 8, 974 .val_bits = 8, 975 976 .max_register = 0xff, 977 .cache_type = REGCACHE_RBTREE, 978 .volatile_reg = adv7511_cec_register_volatile, 979 }; 980 981 static int adv7511_init_cec_regmap(struct adv7511 *adv) 982 { 983 int ret; 984 985 adv->i2c_cec = i2c_new_secondary_device(adv->i2c_main, "cec", 986 ADV7511_CEC_I2C_ADDR_DEFAULT); 987 if (!adv->i2c_cec) 988 return -EINVAL; 989 i2c_set_clientdata(adv->i2c_cec, adv); 990 991 adv->regmap_cec = devm_regmap_init_i2c(adv->i2c_cec, 992 &adv7511_cec_regmap_config); 993 if (IS_ERR(adv->regmap_cec)) { 994 ret = PTR_ERR(adv->regmap_cec); 995 goto err; 996 } 997 998 if (adv->type == ADV7533) { 999 ret = adv7533_patch_cec_registers(adv); 1000 if (ret) 1001 goto err; 1002 } 1003 1004 return 0; 1005 err: 1006 i2c_unregister_device(adv->i2c_cec); 1007 return ret; 1008 } 1009 1010 static int adv7511_parse_dt(struct device_node *np, 1011 struct adv7511_link_config *config) 1012 { 1013 const char *str; 1014 int ret; 1015 1016 of_property_read_u32(np, "adi,input-depth", &config->input_color_depth); 1017 if (config->input_color_depth != 8 && config->input_color_depth != 10 && 1018 config->input_color_depth != 12) 1019 return -EINVAL; 1020 1021 ret = of_property_read_string(np, "adi,input-colorspace", &str); 1022 if (ret < 0) 1023 return ret; 1024 1025 if (!strcmp(str, "rgb")) 1026 config->input_colorspace = HDMI_COLORSPACE_RGB; 1027 else if (!strcmp(str, "yuv422")) 1028 config->input_colorspace = HDMI_COLORSPACE_YUV422; 1029 else if (!strcmp(str, "yuv444")) 1030 config->input_colorspace = HDMI_COLORSPACE_YUV444; 1031 else 1032 return -EINVAL; 1033 1034 ret = of_property_read_string(np, "adi,input-clock", &str); 1035 if (ret < 0) 1036 return ret; 1037 1038 if (!strcmp(str, "1x")) 1039 config->input_clock = ADV7511_INPUT_CLOCK_1X; 1040 else if (!strcmp(str, "2x")) 1041 config->input_clock = ADV7511_INPUT_CLOCK_2X; 1042 else if (!strcmp(str, "ddr")) 1043 config->input_clock = ADV7511_INPUT_CLOCK_DDR; 1044 else 1045 return -EINVAL; 1046 1047 if (config->input_colorspace == HDMI_COLORSPACE_YUV422 || 1048 config->input_clock != ADV7511_INPUT_CLOCK_1X) { 1049 ret = of_property_read_u32(np, "adi,input-style", 1050 &config->input_style); 1051 if (ret) 1052 return ret; 1053 1054 if (config->input_style < 1 || config->input_style > 3) 1055 return -EINVAL; 1056 1057 ret = of_property_read_string(np, "adi,input-justification", 1058 &str); 1059 if (ret < 0) 1060 return ret; 1061 1062 if (!strcmp(str, "left")) 1063 config->input_justification = 1064 ADV7511_INPUT_JUSTIFICATION_LEFT; 1065 else if (!strcmp(str, "evenly")) 1066 config->input_justification = 1067 ADV7511_INPUT_JUSTIFICATION_EVENLY; 1068 else if (!strcmp(str, "right")) 1069 config->input_justification = 1070 ADV7511_INPUT_JUSTIFICATION_RIGHT; 1071 else 1072 return -EINVAL; 1073 1074 } else { 1075 config->input_style = 1; 1076 config->input_justification = ADV7511_INPUT_JUSTIFICATION_LEFT; 1077 } 1078 1079 of_property_read_u32(np, "adi,clock-delay", &config->clock_delay); 1080 if (config->clock_delay < -1200 || config->clock_delay > 1600) 1081 return -EINVAL; 1082 1083 config->embedded_sync = of_property_read_bool(np, "adi,embedded-sync"); 1084 1085 /* Hardcode the sync pulse configurations for now. */ 1086 config->sync_pulse = ADV7511_INPUT_SYNC_PULSE_NONE; 1087 config->vsync_polarity = ADV7511_SYNC_POLARITY_PASSTHROUGH; 1088 config->hsync_polarity = ADV7511_SYNC_POLARITY_PASSTHROUGH; 1089 1090 return 0; 1091 } 1092 1093 static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id) 1094 { 1095 struct adv7511_link_config link_config; 1096 struct adv7511 *adv7511; 1097 struct device *dev = &i2c->dev; 1098 unsigned int val; 1099 int ret; 1100 1101 if (!dev->of_node) 1102 return -EINVAL; 1103 1104 adv7511 = devm_kzalloc(dev, sizeof(*adv7511), GFP_KERNEL); 1105 if (!adv7511) 1106 return -ENOMEM; 1107 1108 adv7511->i2c_main = i2c; 1109 adv7511->powered = false; 1110 adv7511->status = connector_status_disconnected; 1111 1112 if (dev->of_node) 1113 adv7511->type = (enum adv7511_type)of_device_get_match_data(dev); 1114 else 1115 adv7511->type = id->driver_data; 1116 1117 memset(&link_config, 0, sizeof(link_config)); 1118 1119 if (adv7511->type == ADV7511) 1120 ret = adv7511_parse_dt(dev->of_node, &link_config); 1121 else 1122 ret = adv7533_parse_dt(dev->of_node, adv7511); 1123 if (ret) 1124 return ret; 1125 1126 ret = adv7511_init_regulators(adv7511); 1127 if (ret) { 1128 dev_err(dev, "failed to init regulators\n"); 1129 return ret; 1130 } 1131 1132 /* 1133 * The power down GPIO is optional. If present, toggle it from active to 1134 * inactive to wake up the encoder. 1135 */ 1136 adv7511->gpio_pd = devm_gpiod_get_optional(dev, "pd", GPIOD_OUT_HIGH); 1137 if (IS_ERR(adv7511->gpio_pd)) { 1138 ret = PTR_ERR(adv7511->gpio_pd); 1139 goto uninit_regulators; 1140 } 1141 1142 if (adv7511->gpio_pd) { 1143 usleep_range(5000, 6000); 1144 gpiod_set_value_cansleep(adv7511->gpio_pd, 0); 1145 } 1146 1147 adv7511->regmap = devm_regmap_init_i2c(i2c, &adv7511_regmap_config); 1148 if (IS_ERR(adv7511->regmap)) { 1149 ret = PTR_ERR(adv7511->regmap); 1150 goto uninit_regulators; 1151 } 1152 1153 ret = regmap_read(adv7511->regmap, ADV7511_REG_CHIP_REVISION, &val); 1154 if (ret) 1155 goto uninit_regulators; 1156 dev_dbg(dev, "Rev. %d\n", val); 1157 1158 if (adv7511->type == ADV7511) 1159 ret = regmap_register_patch(adv7511->regmap, 1160 adv7511_fixed_registers, 1161 ARRAY_SIZE(adv7511_fixed_registers)); 1162 else 1163 ret = adv7533_patch_registers(adv7511); 1164 if (ret) 1165 goto uninit_regulators; 1166 1167 adv7511_packet_disable(adv7511, 0xffff); 1168 1169 adv7511->i2c_edid = i2c_new_secondary_device(i2c, "edid", 1170 ADV7511_EDID_I2C_ADDR_DEFAULT); 1171 if (!adv7511->i2c_edid) { 1172 ret = -EINVAL; 1173 goto uninit_regulators; 1174 } 1175 1176 regmap_write(adv7511->regmap, ADV7511_REG_EDID_I2C_ADDR, 1177 adv7511->i2c_edid->addr << 1); 1178 1179 adv7511->i2c_packet = i2c_new_secondary_device(i2c, "packet", 1180 ADV7511_PACKET_I2C_ADDR_DEFAULT); 1181 if (!adv7511->i2c_packet) { 1182 ret = -EINVAL; 1183 goto err_i2c_unregister_edid; 1184 } 1185 1186 regmap_write(adv7511->regmap, ADV7511_REG_PACKET_I2C_ADDR, 1187 adv7511->i2c_packet->addr << 1); 1188 1189 ret = adv7511_init_cec_regmap(adv7511); 1190 if (ret) 1191 goto err_i2c_unregister_packet; 1192 1193 regmap_write(adv7511->regmap, ADV7511_REG_CEC_I2C_ADDR, 1194 adv7511->i2c_cec->addr << 1); 1195 1196 INIT_WORK(&adv7511->hpd_work, adv7511_hpd_work); 1197 1198 if (i2c->irq) { 1199 init_waitqueue_head(&adv7511->wq); 1200 1201 ret = devm_request_threaded_irq(dev, i2c->irq, NULL, 1202 adv7511_irq_handler, 1203 IRQF_ONESHOT, dev_name(dev), 1204 adv7511); 1205 if (ret) 1206 goto err_unregister_cec; 1207 } 1208 1209 adv7511_power_off(adv7511); 1210 1211 i2c_set_clientdata(i2c, adv7511); 1212 1213 if (adv7511->type == ADV7511) 1214 adv7511_set_link_config(adv7511, &link_config); 1215 1216 ret = adv7511_cec_init(dev, adv7511); 1217 if (ret) 1218 goto err_unregister_cec; 1219 1220 adv7511->bridge.funcs = &adv7511_bridge_funcs; 1221 adv7511->bridge.of_node = dev->of_node; 1222 1223 drm_bridge_add(&adv7511->bridge); 1224 1225 adv7511_audio_init(dev, adv7511); 1226 return 0; 1227 1228 err_unregister_cec: 1229 i2c_unregister_device(adv7511->i2c_cec); 1230 if (adv7511->cec_clk) 1231 clk_disable_unprepare(adv7511->cec_clk); 1232 err_i2c_unregister_packet: 1233 i2c_unregister_device(adv7511->i2c_packet); 1234 err_i2c_unregister_edid: 1235 i2c_unregister_device(adv7511->i2c_edid); 1236 uninit_regulators: 1237 adv7511_uninit_regulators(adv7511); 1238 1239 return ret; 1240 } 1241 1242 static int adv7511_remove(struct i2c_client *i2c) 1243 { 1244 struct adv7511 *adv7511 = i2c_get_clientdata(i2c); 1245 1246 if (adv7511->type == ADV7533) 1247 adv7533_detach_dsi(adv7511); 1248 i2c_unregister_device(adv7511->i2c_cec); 1249 if (adv7511->cec_clk) 1250 clk_disable_unprepare(adv7511->cec_clk); 1251 1252 adv7511_uninit_regulators(adv7511); 1253 1254 drm_bridge_remove(&adv7511->bridge); 1255 1256 adv7511_audio_exit(adv7511); 1257 1258 cec_unregister_adapter(adv7511->cec_adap); 1259 1260 i2c_unregister_device(adv7511->i2c_packet); 1261 i2c_unregister_device(adv7511->i2c_edid); 1262 1263 return 0; 1264 } 1265 1266 static const struct i2c_device_id adv7511_i2c_ids[] = { 1267 { "adv7511", ADV7511 }, 1268 { "adv7511w", ADV7511 }, 1269 { "adv7513", ADV7511 }, 1270 #ifdef CONFIG_DRM_I2C_ADV7533 1271 { "adv7533", ADV7533 }, 1272 #endif 1273 { } 1274 }; 1275 MODULE_DEVICE_TABLE(i2c, adv7511_i2c_ids); 1276 1277 static const struct of_device_id adv7511_of_ids[] = { 1278 { .compatible = "adi,adv7511", .data = (void *)ADV7511 }, 1279 { .compatible = "adi,adv7511w", .data = (void *)ADV7511 }, 1280 { .compatible = "adi,adv7513", .data = (void *)ADV7511 }, 1281 #ifdef CONFIG_DRM_I2C_ADV7533 1282 { .compatible = "adi,adv7533", .data = (void *)ADV7533 }, 1283 #endif 1284 { } 1285 }; 1286 MODULE_DEVICE_TABLE(of, adv7511_of_ids); 1287 1288 static struct mipi_dsi_driver adv7533_dsi_driver = { 1289 .driver.name = "adv7533", 1290 }; 1291 1292 static struct i2c_driver adv7511_driver = { 1293 .driver = { 1294 .name = "adv7511", 1295 .of_match_table = adv7511_of_ids, 1296 }, 1297 .id_table = adv7511_i2c_ids, 1298 .probe = adv7511_probe, 1299 .remove = adv7511_remove, 1300 }; 1301 1302 static int __init adv7511_init(void) 1303 { 1304 if (IS_ENABLED(CONFIG_DRM_MIPI_DSI)) 1305 mipi_dsi_driver_register(&adv7533_dsi_driver); 1306 1307 return i2c_add_driver(&adv7511_driver); 1308 } 1309 module_init(adv7511_init); 1310 1311 static void __exit adv7511_exit(void) 1312 { 1313 i2c_del_driver(&adv7511_driver); 1314 1315 if (IS_ENABLED(CONFIG_DRM_MIPI_DSI)) 1316 mipi_dsi_driver_unregister(&adv7533_dsi_driver); 1317 } 1318 module_exit(adv7511_exit); 1319 1320 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); 1321 MODULE_DESCRIPTION("ADV7511 HDMI transmitter driver"); 1322 MODULE_LICENSE("GPL"); 1323