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"); 1298