1 /* 2 * Copyright 2006 Dave Airlie <airlied@linux.ie> 3 * Copyright © 2006-2007 Intel Corporation 4 * Jesse Barnes <jesse.barnes@intel.com> 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the next 14 * paragraph) shall be included in all copies or substantial portions of the 15 * Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 23 * DEALINGS IN THE SOFTWARE. 24 * 25 * Authors: 26 * Eric Anholt <eric@anholt.net> 27 */ 28 29 #include <linux/delay.h> 30 #include <linux/export.h> 31 #include <linux/i2c.h> 32 #include <linux/slab.h> 33 34 #include <drm/drm_atomic_helper.h> 35 #include <drm/drm_crtc.h> 36 #include <drm/drm_edid.h> 37 38 #include "i915_drv.h" 39 #include "intel_atomic.h" 40 #include "intel_connector.h" 41 #include "intel_display_types.h" 42 #include "intel_fifo_underrun.h" 43 #include "intel_gmbus.h" 44 #include "intel_hdmi.h" 45 #include "intel_hotplug.h" 46 #include "intel_panel.h" 47 #include "intel_sdvo.h" 48 #include "intel_sdvo_regs.h" 49 50 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1) 51 #define SDVO_RGB_MASK (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1) 52 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1) 53 #define SDVO_TV_MASK (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0) 54 55 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\ 56 SDVO_TV_MASK) 57 58 #define IS_TV(c) (c->output_flag & SDVO_TV_MASK) 59 #define IS_TMDS(c) (c->output_flag & SDVO_TMDS_MASK) 60 #define IS_LVDS(c) (c->output_flag & SDVO_LVDS_MASK) 61 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK)) 62 #define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK)) 63 64 65 static const char * const tv_format_names[] = { 66 "NTSC_M" , "NTSC_J" , "NTSC_443", 67 "PAL_B" , "PAL_D" , "PAL_G" , 68 "PAL_H" , "PAL_I" , "PAL_M" , 69 "PAL_N" , "PAL_NC" , "PAL_60" , 70 "SECAM_B" , "SECAM_D" , "SECAM_G" , 71 "SECAM_K" , "SECAM_K1", "SECAM_L" , 72 "SECAM_60" 73 }; 74 75 #define TV_FORMAT_NUM ARRAY_SIZE(tv_format_names) 76 77 struct intel_sdvo { 78 struct intel_encoder base; 79 80 struct i2c_adapter *i2c; 81 u8 slave_addr; 82 83 struct i2c_adapter ddc; 84 85 /* Register for the SDVO device: SDVOB or SDVOC */ 86 i915_reg_t sdvo_reg; 87 88 /* Active outputs controlled by this SDVO output */ 89 u16 controlled_output; 90 91 /* 92 * Capabilities of the SDVO device returned by 93 * intel_sdvo_get_capabilities() 94 */ 95 struct intel_sdvo_caps caps; 96 97 u8 colorimetry_cap; 98 99 /* Pixel clock limitations reported by the SDVO device, in kHz */ 100 int pixel_clock_min, pixel_clock_max; 101 102 /* 103 * For multiple function SDVO device, 104 * this is for current attached outputs. 105 */ 106 u16 attached_output; 107 108 /* 109 * Hotplug activation bits for this device 110 */ 111 u16 hotplug_active; 112 113 enum port port; 114 115 bool has_hdmi_monitor; 116 bool has_hdmi_audio; 117 118 /* DDC bus used by this SDVO encoder */ 119 u8 ddc_bus; 120 121 /* 122 * the sdvo flag gets lost in round trip: dtd->adjusted_mode->dtd 123 */ 124 u8 dtd_sdvo_flags; 125 }; 126 127 struct intel_sdvo_connector { 128 struct intel_connector base; 129 130 /* Mark the type of connector */ 131 u16 output_flag; 132 133 /* This contains all current supported TV format */ 134 u8 tv_format_supported[TV_FORMAT_NUM]; 135 int format_supported_num; 136 struct drm_property *tv_format; 137 138 /* add the property for the SDVO-TV */ 139 struct drm_property *left; 140 struct drm_property *right; 141 struct drm_property *top; 142 struct drm_property *bottom; 143 struct drm_property *hpos; 144 struct drm_property *vpos; 145 struct drm_property *contrast; 146 struct drm_property *saturation; 147 struct drm_property *hue; 148 struct drm_property *sharpness; 149 struct drm_property *flicker_filter; 150 struct drm_property *flicker_filter_adaptive; 151 struct drm_property *flicker_filter_2d; 152 struct drm_property *tv_chroma_filter; 153 struct drm_property *tv_luma_filter; 154 struct drm_property *dot_crawl; 155 156 /* add the property for the SDVO-TV/LVDS */ 157 struct drm_property *brightness; 158 159 /* this is to get the range of margin.*/ 160 u32 max_hscan, max_vscan; 161 162 /** 163 * This is set if we treat the device as HDMI, instead of DVI. 164 */ 165 bool is_hdmi; 166 }; 167 168 struct intel_sdvo_connector_state { 169 /* base.base: tv.saturation/contrast/hue/brightness */ 170 struct intel_digital_connector_state base; 171 172 struct { 173 unsigned overscan_h, overscan_v, hpos, vpos, sharpness; 174 unsigned flicker_filter, flicker_filter_2d, flicker_filter_adaptive; 175 unsigned chroma_filter, luma_filter, dot_crawl; 176 } tv; 177 }; 178 179 static struct intel_sdvo *to_sdvo(struct intel_encoder *encoder) 180 { 181 return container_of(encoder, struct intel_sdvo, base); 182 } 183 184 static struct intel_sdvo *intel_attached_sdvo(struct intel_connector *connector) 185 { 186 return to_sdvo(intel_attached_encoder(connector)); 187 } 188 189 static struct intel_sdvo_connector * 190 to_intel_sdvo_connector(struct drm_connector *connector) 191 { 192 return container_of(connector, struct intel_sdvo_connector, base.base); 193 } 194 195 #define to_intel_sdvo_connector_state(conn_state) \ 196 container_of((conn_state), struct intel_sdvo_connector_state, base.base) 197 198 static bool 199 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, u16 flags); 200 static bool 201 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo, 202 struct intel_sdvo_connector *intel_sdvo_connector, 203 int type); 204 static bool 205 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo, 206 struct intel_sdvo_connector *intel_sdvo_connector); 207 208 /* 209 * Writes the SDVOB or SDVOC with the given value, but always writes both 210 * SDVOB and SDVOC to work around apparent hardware issues (according to 211 * comments in the BIOS). 212 */ 213 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val) 214 { 215 struct drm_device *dev = intel_sdvo->base.base.dev; 216 struct drm_i915_private *dev_priv = to_i915(dev); 217 u32 bval = val, cval = val; 218 int i; 219 220 if (HAS_PCH_SPLIT(dev_priv)) { 221 intel_de_write(dev_priv, intel_sdvo->sdvo_reg, val); 222 intel_de_posting_read(dev_priv, intel_sdvo->sdvo_reg); 223 /* 224 * HW workaround, need to write this twice for issue 225 * that may result in first write getting masked. 226 */ 227 if (HAS_PCH_IBX(dev_priv)) { 228 intel_de_write(dev_priv, intel_sdvo->sdvo_reg, val); 229 intel_de_posting_read(dev_priv, intel_sdvo->sdvo_reg); 230 } 231 return; 232 } 233 234 if (intel_sdvo->port == PORT_B) 235 cval = intel_de_read(dev_priv, GEN3_SDVOC); 236 else 237 bval = intel_de_read(dev_priv, GEN3_SDVOB); 238 239 /* 240 * Write the registers twice for luck. Sometimes, 241 * writing them only once doesn't appear to 'stick'. 242 * The BIOS does this too. Yay, magic 243 */ 244 for (i = 0; i < 2; i++) { 245 intel_de_write(dev_priv, GEN3_SDVOB, bval); 246 intel_de_posting_read(dev_priv, GEN3_SDVOB); 247 248 intel_de_write(dev_priv, GEN3_SDVOC, cval); 249 intel_de_posting_read(dev_priv, GEN3_SDVOC); 250 } 251 } 252 253 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch) 254 { 255 struct i2c_msg msgs[] = { 256 { 257 .addr = intel_sdvo->slave_addr, 258 .flags = 0, 259 .len = 1, 260 .buf = &addr, 261 }, 262 { 263 .addr = intel_sdvo->slave_addr, 264 .flags = I2C_M_RD, 265 .len = 1, 266 .buf = ch, 267 } 268 }; 269 int ret; 270 271 if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2) 272 return true; 273 274 DRM_DEBUG_KMS("i2c transfer returned %d\n", ret); 275 return false; 276 } 277 278 #define SDVO_CMD_NAME_ENTRY(cmd_) { .cmd = SDVO_CMD_ ## cmd_, .name = #cmd_ } 279 280 /** Mapping of command numbers to names, for debug output */ 281 static const struct { 282 u8 cmd; 283 const char *name; 284 } __attribute__ ((packed)) sdvo_cmd_names[] = { 285 SDVO_CMD_NAME_ENTRY(RESET), 286 SDVO_CMD_NAME_ENTRY(GET_DEVICE_CAPS), 287 SDVO_CMD_NAME_ENTRY(GET_FIRMWARE_REV), 288 SDVO_CMD_NAME_ENTRY(GET_TRAINED_INPUTS), 289 SDVO_CMD_NAME_ENTRY(GET_ACTIVE_OUTPUTS), 290 SDVO_CMD_NAME_ENTRY(SET_ACTIVE_OUTPUTS), 291 SDVO_CMD_NAME_ENTRY(GET_IN_OUT_MAP), 292 SDVO_CMD_NAME_ENTRY(SET_IN_OUT_MAP), 293 SDVO_CMD_NAME_ENTRY(GET_ATTACHED_DISPLAYS), 294 SDVO_CMD_NAME_ENTRY(GET_HOT_PLUG_SUPPORT), 295 SDVO_CMD_NAME_ENTRY(SET_ACTIVE_HOT_PLUG), 296 SDVO_CMD_NAME_ENTRY(GET_ACTIVE_HOT_PLUG), 297 SDVO_CMD_NAME_ENTRY(GET_INTERRUPT_EVENT_SOURCE), 298 SDVO_CMD_NAME_ENTRY(SET_TARGET_INPUT), 299 SDVO_CMD_NAME_ENTRY(SET_TARGET_OUTPUT), 300 SDVO_CMD_NAME_ENTRY(GET_INPUT_TIMINGS_PART1), 301 SDVO_CMD_NAME_ENTRY(GET_INPUT_TIMINGS_PART2), 302 SDVO_CMD_NAME_ENTRY(SET_INPUT_TIMINGS_PART1), 303 SDVO_CMD_NAME_ENTRY(SET_INPUT_TIMINGS_PART2), 304 SDVO_CMD_NAME_ENTRY(SET_OUTPUT_TIMINGS_PART1), 305 SDVO_CMD_NAME_ENTRY(SET_OUTPUT_TIMINGS_PART2), 306 SDVO_CMD_NAME_ENTRY(GET_OUTPUT_TIMINGS_PART1), 307 SDVO_CMD_NAME_ENTRY(GET_OUTPUT_TIMINGS_PART2), 308 SDVO_CMD_NAME_ENTRY(CREATE_PREFERRED_INPUT_TIMING), 309 SDVO_CMD_NAME_ENTRY(GET_PREFERRED_INPUT_TIMING_PART1), 310 SDVO_CMD_NAME_ENTRY(GET_PREFERRED_INPUT_TIMING_PART2), 311 SDVO_CMD_NAME_ENTRY(GET_INPUT_PIXEL_CLOCK_RANGE), 312 SDVO_CMD_NAME_ENTRY(GET_OUTPUT_PIXEL_CLOCK_RANGE), 313 SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_CLOCK_RATE_MULTS), 314 SDVO_CMD_NAME_ENTRY(GET_CLOCK_RATE_MULT), 315 SDVO_CMD_NAME_ENTRY(SET_CLOCK_RATE_MULT), 316 SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_TV_FORMATS), 317 SDVO_CMD_NAME_ENTRY(GET_TV_FORMAT), 318 SDVO_CMD_NAME_ENTRY(SET_TV_FORMAT), 319 SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_POWER_STATES), 320 SDVO_CMD_NAME_ENTRY(GET_POWER_STATE), 321 SDVO_CMD_NAME_ENTRY(SET_ENCODER_POWER_STATE), 322 SDVO_CMD_NAME_ENTRY(SET_DISPLAY_POWER_STATE), 323 SDVO_CMD_NAME_ENTRY(SET_CONTROL_BUS_SWITCH), 324 SDVO_CMD_NAME_ENTRY(GET_SDTV_RESOLUTION_SUPPORT), 325 SDVO_CMD_NAME_ENTRY(GET_SCALED_HDTV_RESOLUTION_SUPPORT), 326 SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_ENHANCEMENTS), 327 328 /* Add the op code for SDVO enhancements */ 329 SDVO_CMD_NAME_ENTRY(GET_MAX_HPOS), 330 SDVO_CMD_NAME_ENTRY(GET_HPOS), 331 SDVO_CMD_NAME_ENTRY(SET_HPOS), 332 SDVO_CMD_NAME_ENTRY(GET_MAX_VPOS), 333 SDVO_CMD_NAME_ENTRY(GET_VPOS), 334 SDVO_CMD_NAME_ENTRY(SET_VPOS), 335 SDVO_CMD_NAME_ENTRY(GET_MAX_SATURATION), 336 SDVO_CMD_NAME_ENTRY(GET_SATURATION), 337 SDVO_CMD_NAME_ENTRY(SET_SATURATION), 338 SDVO_CMD_NAME_ENTRY(GET_MAX_HUE), 339 SDVO_CMD_NAME_ENTRY(GET_HUE), 340 SDVO_CMD_NAME_ENTRY(SET_HUE), 341 SDVO_CMD_NAME_ENTRY(GET_MAX_CONTRAST), 342 SDVO_CMD_NAME_ENTRY(GET_CONTRAST), 343 SDVO_CMD_NAME_ENTRY(SET_CONTRAST), 344 SDVO_CMD_NAME_ENTRY(GET_MAX_BRIGHTNESS), 345 SDVO_CMD_NAME_ENTRY(GET_BRIGHTNESS), 346 SDVO_CMD_NAME_ENTRY(SET_BRIGHTNESS), 347 SDVO_CMD_NAME_ENTRY(GET_MAX_OVERSCAN_H), 348 SDVO_CMD_NAME_ENTRY(GET_OVERSCAN_H), 349 SDVO_CMD_NAME_ENTRY(SET_OVERSCAN_H), 350 SDVO_CMD_NAME_ENTRY(GET_MAX_OVERSCAN_V), 351 SDVO_CMD_NAME_ENTRY(GET_OVERSCAN_V), 352 SDVO_CMD_NAME_ENTRY(SET_OVERSCAN_V), 353 SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER), 354 SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER), 355 SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER), 356 SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER_ADAPTIVE), 357 SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER_ADAPTIVE), 358 SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER_ADAPTIVE), 359 SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER_2D), 360 SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER_2D), 361 SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER_2D), 362 SDVO_CMD_NAME_ENTRY(GET_MAX_SHARPNESS), 363 SDVO_CMD_NAME_ENTRY(GET_SHARPNESS), 364 SDVO_CMD_NAME_ENTRY(SET_SHARPNESS), 365 SDVO_CMD_NAME_ENTRY(GET_DOT_CRAWL), 366 SDVO_CMD_NAME_ENTRY(SET_DOT_CRAWL), 367 SDVO_CMD_NAME_ENTRY(GET_MAX_TV_CHROMA_FILTER), 368 SDVO_CMD_NAME_ENTRY(GET_TV_CHROMA_FILTER), 369 SDVO_CMD_NAME_ENTRY(SET_TV_CHROMA_FILTER), 370 SDVO_CMD_NAME_ENTRY(GET_MAX_TV_LUMA_FILTER), 371 SDVO_CMD_NAME_ENTRY(GET_TV_LUMA_FILTER), 372 SDVO_CMD_NAME_ENTRY(SET_TV_LUMA_FILTER), 373 374 /* HDMI op code */ 375 SDVO_CMD_NAME_ENTRY(GET_SUPP_ENCODE), 376 SDVO_CMD_NAME_ENTRY(GET_ENCODE), 377 SDVO_CMD_NAME_ENTRY(SET_ENCODE), 378 SDVO_CMD_NAME_ENTRY(SET_PIXEL_REPLI), 379 SDVO_CMD_NAME_ENTRY(GET_PIXEL_REPLI), 380 SDVO_CMD_NAME_ENTRY(GET_COLORIMETRY_CAP), 381 SDVO_CMD_NAME_ENTRY(SET_COLORIMETRY), 382 SDVO_CMD_NAME_ENTRY(GET_COLORIMETRY), 383 SDVO_CMD_NAME_ENTRY(GET_AUDIO_ENCRYPT_PREFER), 384 SDVO_CMD_NAME_ENTRY(SET_AUDIO_STAT), 385 SDVO_CMD_NAME_ENTRY(GET_AUDIO_STAT), 386 SDVO_CMD_NAME_ENTRY(GET_HBUF_INDEX), 387 SDVO_CMD_NAME_ENTRY(SET_HBUF_INDEX), 388 SDVO_CMD_NAME_ENTRY(GET_HBUF_INFO), 389 SDVO_CMD_NAME_ENTRY(GET_HBUF_AV_SPLIT), 390 SDVO_CMD_NAME_ENTRY(SET_HBUF_AV_SPLIT), 391 SDVO_CMD_NAME_ENTRY(GET_HBUF_TXRATE), 392 SDVO_CMD_NAME_ENTRY(SET_HBUF_TXRATE), 393 SDVO_CMD_NAME_ENTRY(SET_HBUF_DATA), 394 SDVO_CMD_NAME_ENTRY(GET_HBUF_DATA), 395 }; 396 397 #undef SDVO_CMD_NAME_ENTRY 398 399 static const char *sdvo_cmd_name(u8 cmd) 400 { 401 int i; 402 403 for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) { 404 if (cmd == sdvo_cmd_names[i].cmd) 405 return sdvo_cmd_names[i].name; 406 } 407 408 return NULL; 409 } 410 411 #define SDVO_NAME(svdo) ((svdo)->port == PORT_B ? "SDVOB" : "SDVOC") 412 413 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd, 414 const void *args, int args_len) 415 { 416 struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev); 417 const char *cmd_name; 418 int i, pos = 0; 419 char buffer[64]; 420 421 #define BUF_PRINT(args...) \ 422 pos += snprintf(buffer + pos, max_t(int, sizeof(buffer) - pos, 0), args) 423 424 for (i = 0; i < args_len; i++) { 425 BUF_PRINT("%02X ", ((u8 *)args)[i]); 426 } 427 for (; i < 8; i++) { 428 BUF_PRINT(" "); 429 } 430 431 cmd_name = sdvo_cmd_name(cmd); 432 if (cmd_name) 433 BUF_PRINT("(%s)", cmd_name); 434 else 435 BUF_PRINT("(%02X)", cmd); 436 437 drm_WARN_ON(&dev_priv->drm, pos >= sizeof(buffer) - 1); 438 #undef BUF_PRINT 439 440 DRM_DEBUG_KMS("%s: W: %02X %s\n", SDVO_NAME(intel_sdvo), cmd, buffer); 441 } 442 443 static const char * const cmd_status_names[] = { 444 [SDVO_CMD_STATUS_POWER_ON] = "Power on", 445 [SDVO_CMD_STATUS_SUCCESS] = "Success", 446 [SDVO_CMD_STATUS_NOTSUPP] = "Not supported", 447 [SDVO_CMD_STATUS_INVALID_ARG] = "Invalid arg", 448 [SDVO_CMD_STATUS_PENDING] = "Pending", 449 [SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED] = "Target not specified", 450 [SDVO_CMD_STATUS_SCALING_NOT_SUPP] = "Scaling not supported", 451 }; 452 453 static const char *sdvo_cmd_status(u8 status) 454 { 455 if (status < ARRAY_SIZE(cmd_status_names)) 456 return cmd_status_names[status]; 457 else 458 return NULL; 459 } 460 461 static bool __intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd, 462 const void *args, int args_len, 463 bool unlocked) 464 { 465 u8 *buf, status; 466 struct i2c_msg *msgs; 467 int i, ret = true; 468 469 /* Would be simpler to allocate both in one go ? */ 470 buf = kzalloc(args_len * 2 + 2, GFP_KERNEL); 471 if (!buf) 472 return false; 473 474 msgs = kcalloc(args_len + 3, sizeof(*msgs), GFP_KERNEL); 475 if (!msgs) { 476 kfree(buf); 477 return false; 478 } 479 480 intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len); 481 482 for (i = 0; i < args_len; i++) { 483 msgs[i].addr = intel_sdvo->slave_addr; 484 msgs[i].flags = 0; 485 msgs[i].len = 2; 486 msgs[i].buf = buf + 2 *i; 487 buf[2*i + 0] = SDVO_I2C_ARG_0 - i; 488 buf[2*i + 1] = ((u8*)args)[i]; 489 } 490 msgs[i].addr = intel_sdvo->slave_addr; 491 msgs[i].flags = 0; 492 msgs[i].len = 2; 493 msgs[i].buf = buf + 2*i; 494 buf[2*i + 0] = SDVO_I2C_OPCODE; 495 buf[2*i + 1] = cmd; 496 497 /* the following two are to read the response */ 498 status = SDVO_I2C_CMD_STATUS; 499 msgs[i+1].addr = intel_sdvo->slave_addr; 500 msgs[i+1].flags = 0; 501 msgs[i+1].len = 1; 502 msgs[i+1].buf = &status; 503 504 msgs[i+2].addr = intel_sdvo->slave_addr; 505 msgs[i+2].flags = I2C_M_RD; 506 msgs[i+2].len = 1; 507 msgs[i+2].buf = &status; 508 509 if (unlocked) 510 ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3); 511 else 512 ret = __i2c_transfer(intel_sdvo->i2c, msgs, i+3); 513 if (ret < 0) { 514 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret); 515 ret = false; 516 goto out; 517 } 518 if (ret != i+3) { 519 /* failure in I2C transfer */ 520 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3); 521 ret = false; 522 } 523 524 out: 525 kfree(msgs); 526 kfree(buf); 527 return ret; 528 } 529 530 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd, 531 const void *args, int args_len) 532 { 533 return __intel_sdvo_write_cmd(intel_sdvo, cmd, args, args_len, true); 534 } 535 536 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo, 537 void *response, int response_len) 538 { 539 struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev); 540 const char *cmd_status; 541 u8 retry = 15; /* 5 quick checks, followed by 10 long checks */ 542 u8 status; 543 int i, pos = 0; 544 char buffer[64]; 545 546 buffer[0] = '\0'; 547 548 /* 549 * The documentation states that all commands will be 550 * processed within 15µs, and that we need only poll 551 * the status byte a maximum of 3 times in order for the 552 * command to be complete. 553 * 554 * Check 5 times in case the hardware failed to read the docs. 555 * 556 * Also beware that the first response by many devices is to 557 * reply PENDING and stall for time. TVs are notorious for 558 * requiring longer than specified to complete their replies. 559 * Originally (in the DDX long ago), the delay was only ever 15ms 560 * with an additional delay of 30ms applied for TVs added later after 561 * many experiments. To accommodate both sets of delays, we do a 562 * sequence of slow checks if the device is falling behind and fails 563 * to reply within 5*15µs. 564 */ 565 if (!intel_sdvo_read_byte(intel_sdvo, 566 SDVO_I2C_CMD_STATUS, 567 &status)) 568 goto log_fail; 569 570 while ((status == SDVO_CMD_STATUS_PENDING || 571 status == SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED) && --retry) { 572 if (retry < 10) 573 msleep(15); 574 else 575 udelay(15); 576 577 if (!intel_sdvo_read_byte(intel_sdvo, 578 SDVO_I2C_CMD_STATUS, 579 &status)) 580 goto log_fail; 581 } 582 583 #define BUF_PRINT(args...) \ 584 pos += snprintf(buffer + pos, max_t(int, sizeof(buffer) - pos, 0), args) 585 586 cmd_status = sdvo_cmd_status(status); 587 if (cmd_status) 588 BUF_PRINT("(%s)", cmd_status); 589 else 590 BUF_PRINT("(??? %d)", status); 591 592 if (status != SDVO_CMD_STATUS_SUCCESS) 593 goto log_fail; 594 595 /* Read the command response */ 596 for (i = 0; i < response_len; i++) { 597 if (!intel_sdvo_read_byte(intel_sdvo, 598 SDVO_I2C_RETURN_0 + i, 599 &((u8 *)response)[i])) 600 goto log_fail; 601 BUF_PRINT(" %02X", ((u8 *)response)[i]); 602 } 603 604 drm_WARN_ON(&dev_priv->drm, pos >= sizeof(buffer) - 1); 605 #undef BUF_PRINT 606 607 DRM_DEBUG_KMS("%s: R: %s\n", SDVO_NAME(intel_sdvo), buffer); 608 return true; 609 610 log_fail: 611 DRM_DEBUG_KMS("%s: R: ... failed %s\n", 612 SDVO_NAME(intel_sdvo), buffer); 613 return false; 614 } 615 616 static int intel_sdvo_get_pixel_multiplier(const struct drm_display_mode *adjusted_mode) 617 { 618 if (adjusted_mode->crtc_clock >= 100000) 619 return 1; 620 else if (adjusted_mode->crtc_clock >= 50000) 621 return 2; 622 else 623 return 4; 624 } 625 626 static bool __intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo, 627 u8 ddc_bus) 628 { 629 /* This must be the immediately preceding write before the i2c xfer */ 630 return __intel_sdvo_write_cmd(intel_sdvo, 631 SDVO_CMD_SET_CONTROL_BUS_SWITCH, 632 &ddc_bus, 1, false); 633 } 634 635 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len) 636 { 637 if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len)) 638 return false; 639 640 return intel_sdvo_read_response(intel_sdvo, NULL, 0); 641 } 642 643 static bool 644 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len) 645 { 646 if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0)) 647 return false; 648 649 return intel_sdvo_read_response(intel_sdvo, value, len); 650 } 651 652 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo) 653 { 654 struct intel_sdvo_set_target_input_args targets = {0}; 655 return intel_sdvo_set_value(intel_sdvo, 656 SDVO_CMD_SET_TARGET_INPUT, 657 &targets, sizeof(targets)); 658 } 659 660 /* 661 * Return whether each input is trained. 662 * 663 * This function is making an assumption about the layout of the response, 664 * which should be checked against the docs. 665 */ 666 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2) 667 { 668 struct intel_sdvo_get_trained_inputs_response response; 669 670 BUILD_BUG_ON(sizeof(response) != 1); 671 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS, 672 &response, sizeof(response))) 673 return false; 674 675 *input_1 = response.input0_trained; 676 *input_2 = response.input1_trained; 677 return true; 678 } 679 680 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo, 681 u16 outputs) 682 { 683 return intel_sdvo_set_value(intel_sdvo, 684 SDVO_CMD_SET_ACTIVE_OUTPUTS, 685 &outputs, sizeof(outputs)); 686 } 687 688 static bool intel_sdvo_get_active_outputs(struct intel_sdvo *intel_sdvo, 689 u16 *outputs) 690 { 691 return intel_sdvo_get_value(intel_sdvo, 692 SDVO_CMD_GET_ACTIVE_OUTPUTS, 693 outputs, sizeof(*outputs)); 694 } 695 696 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo, 697 int mode) 698 { 699 u8 state = SDVO_ENCODER_STATE_ON; 700 701 switch (mode) { 702 case DRM_MODE_DPMS_ON: 703 state = SDVO_ENCODER_STATE_ON; 704 break; 705 case DRM_MODE_DPMS_STANDBY: 706 state = SDVO_ENCODER_STATE_STANDBY; 707 break; 708 case DRM_MODE_DPMS_SUSPEND: 709 state = SDVO_ENCODER_STATE_SUSPEND; 710 break; 711 case DRM_MODE_DPMS_OFF: 712 state = SDVO_ENCODER_STATE_OFF; 713 break; 714 } 715 716 return intel_sdvo_set_value(intel_sdvo, 717 SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state)); 718 } 719 720 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo, 721 int *clock_min, 722 int *clock_max) 723 { 724 struct intel_sdvo_pixel_clock_range clocks; 725 726 BUILD_BUG_ON(sizeof(clocks) != 4); 727 if (!intel_sdvo_get_value(intel_sdvo, 728 SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE, 729 &clocks, sizeof(clocks))) 730 return false; 731 732 /* Convert the values from units of 10 kHz to kHz. */ 733 *clock_min = clocks.min * 10; 734 *clock_max = clocks.max * 10; 735 return true; 736 } 737 738 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo, 739 u16 outputs) 740 { 741 return intel_sdvo_set_value(intel_sdvo, 742 SDVO_CMD_SET_TARGET_OUTPUT, 743 &outputs, sizeof(outputs)); 744 } 745 746 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd, 747 struct intel_sdvo_dtd *dtd) 748 { 749 return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) && 750 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2)); 751 } 752 753 static bool intel_sdvo_get_timing(struct intel_sdvo *intel_sdvo, u8 cmd, 754 struct intel_sdvo_dtd *dtd) 755 { 756 return intel_sdvo_get_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) && 757 intel_sdvo_get_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2)); 758 } 759 760 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo, 761 struct intel_sdvo_dtd *dtd) 762 { 763 return intel_sdvo_set_timing(intel_sdvo, 764 SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd); 765 } 766 767 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo, 768 struct intel_sdvo_dtd *dtd) 769 { 770 return intel_sdvo_set_timing(intel_sdvo, 771 SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd); 772 } 773 774 static bool intel_sdvo_get_input_timing(struct intel_sdvo *intel_sdvo, 775 struct intel_sdvo_dtd *dtd) 776 { 777 return intel_sdvo_get_timing(intel_sdvo, 778 SDVO_CMD_GET_INPUT_TIMINGS_PART1, dtd); 779 } 780 781 static bool 782 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo, 783 struct intel_sdvo_connector *intel_sdvo_connector, 784 u16 clock, 785 u16 width, 786 u16 height) 787 { 788 struct intel_sdvo_preferred_input_timing_args args; 789 790 memset(&args, 0, sizeof(args)); 791 args.clock = clock; 792 args.width = width; 793 args.height = height; 794 args.interlace = 0; 795 796 if (IS_LVDS(intel_sdvo_connector)) { 797 const struct drm_display_mode *fixed_mode = 798 intel_sdvo_connector->base.panel.fixed_mode; 799 800 if (fixed_mode->hdisplay != width || 801 fixed_mode->vdisplay != height) 802 args.scaled = 1; 803 } 804 805 return intel_sdvo_set_value(intel_sdvo, 806 SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING, 807 &args, sizeof(args)); 808 } 809 810 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo, 811 struct intel_sdvo_dtd *dtd) 812 { 813 BUILD_BUG_ON(sizeof(dtd->part1) != 8); 814 BUILD_BUG_ON(sizeof(dtd->part2) != 8); 815 return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1, 816 &dtd->part1, sizeof(dtd->part1)) && 817 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2, 818 &dtd->part2, sizeof(dtd->part2)); 819 } 820 821 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val) 822 { 823 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1); 824 } 825 826 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd, 827 const struct drm_display_mode *mode) 828 { 829 u16 width, height; 830 u16 h_blank_len, h_sync_len, v_blank_len, v_sync_len; 831 u16 h_sync_offset, v_sync_offset; 832 int mode_clock; 833 834 memset(dtd, 0, sizeof(*dtd)); 835 836 width = mode->hdisplay; 837 height = mode->vdisplay; 838 839 /* do some mode translations */ 840 h_blank_len = mode->htotal - mode->hdisplay; 841 h_sync_len = mode->hsync_end - mode->hsync_start; 842 843 v_blank_len = mode->vtotal - mode->vdisplay; 844 v_sync_len = mode->vsync_end - mode->vsync_start; 845 846 h_sync_offset = mode->hsync_start - mode->hdisplay; 847 v_sync_offset = mode->vsync_start - mode->vdisplay; 848 849 mode_clock = mode->clock; 850 mode_clock /= 10; 851 dtd->part1.clock = mode_clock; 852 853 dtd->part1.h_active = width & 0xff; 854 dtd->part1.h_blank = h_blank_len & 0xff; 855 dtd->part1.h_high = (((width >> 8) & 0xf) << 4) | 856 ((h_blank_len >> 8) & 0xf); 857 dtd->part1.v_active = height & 0xff; 858 dtd->part1.v_blank = v_blank_len & 0xff; 859 dtd->part1.v_high = (((height >> 8) & 0xf) << 4) | 860 ((v_blank_len >> 8) & 0xf); 861 862 dtd->part2.h_sync_off = h_sync_offset & 0xff; 863 dtd->part2.h_sync_width = h_sync_len & 0xff; 864 dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 | 865 (v_sync_len & 0xf); 866 dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) | 867 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) | 868 ((v_sync_len & 0x30) >> 4); 869 870 dtd->part2.dtd_flags = 0x18; 871 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 872 dtd->part2.dtd_flags |= DTD_FLAG_INTERLACE; 873 if (mode->flags & DRM_MODE_FLAG_PHSYNC) 874 dtd->part2.dtd_flags |= DTD_FLAG_HSYNC_POSITIVE; 875 if (mode->flags & DRM_MODE_FLAG_PVSYNC) 876 dtd->part2.dtd_flags |= DTD_FLAG_VSYNC_POSITIVE; 877 878 dtd->part2.v_sync_off_high = v_sync_offset & 0xc0; 879 } 880 881 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode *pmode, 882 const struct intel_sdvo_dtd *dtd) 883 { 884 struct drm_display_mode mode = {}; 885 886 mode.hdisplay = dtd->part1.h_active; 887 mode.hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8; 888 mode.hsync_start = mode.hdisplay + dtd->part2.h_sync_off; 889 mode.hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2; 890 mode.hsync_end = mode.hsync_start + dtd->part2.h_sync_width; 891 mode.hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4; 892 mode.htotal = mode.hdisplay + dtd->part1.h_blank; 893 mode.htotal += (dtd->part1.h_high & 0xf) << 8; 894 895 mode.vdisplay = dtd->part1.v_active; 896 mode.vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8; 897 mode.vsync_start = mode.vdisplay; 898 mode.vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf; 899 mode.vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2; 900 mode.vsync_start += dtd->part2.v_sync_off_high & 0xc0; 901 mode.vsync_end = mode.vsync_start + 902 (dtd->part2.v_sync_off_width & 0xf); 903 mode.vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4; 904 mode.vtotal = mode.vdisplay + dtd->part1.v_blank; 905 mode.vtotal += (dtd->part1.v_high & 0xf) << 8; 906 907 mode.clock = dtd->part1.clock * 10; 908 909 if (dtd->part2.dtd_flags & DTD_FLAG_INTERLACE) 910 mode.flags |= DRM_MODE_FLAG_INTERLACE; 911 if (dtd->part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE) 912 mode.flags |= DRM_MODE_FLAG_PHSYNC; 913 else 914 mode.flags |= DRM_MODE_FLAG_NHSYNC; 915 if (dtd->part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE) 916 mode.flags |= DRM_MODE_FLAG_PVSYNC; 917 else 918 mode.flags |= DRM_MODE_FLAG_NVSYNC; 919 920 drm_mode_set_crtcinfo(&mode, 0); 921 922 drm_mode_copy(pmode, &mode); 923 } 924 925 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo) 926 { 927 struct intel_sdvo_encode encode; 928 929 BUILD_BUG_ON(sizeof(encode) != 2); 930 return intel_sdvo_get_value(intel_sdvo, 931 SDVO_CMD_GET_SUPP_ENCODE, 932 &encode, sizeof(encode)); 933 } 934 935 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo, 936 u8 mode) 937 { 938 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1); 939 } 940 941 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo, 942 u8 mode) 943 { 944 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1); 945 } 946 947 static bool intel_sdvo_set_pixel_replication(struct intel_sdvo *intel_sdvo, 948 u8 pixel_repeat) 949 { 950 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_PIXEL_REPLI, 951 &pixel_repeat, 1); 952 } 953 954 static bool intel_sdvo_set_audio_state(struct intel_sdvo *intel_sdvo, 955 u8 audio_state) 956 { 957 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_AUDIO_STAT, 958 &audio_state, 1); 959 } 960 961 static bool intel_sdvo_get_hbuf_size(struct intel_sdvo *intel_sdvo, 962 u8 *hbuf_size) 963 { 964 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO, 965 hbuf_size, 1)) 966 return false; 967 968 /* Buffer size is 0 based, hooray! However zero means zero. */ 969 if (*hbuf_size) 970 (*hbuf_size)++; 971 972 return true; 973 } 974 975 #if 0 976 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo) 977 { 978 int i, j; 979 u8 set_buf_index[2]; 980 u8 av_split; 981 u8 buf_size; 982 u8 buf[48]; 983 u8 *pos; 984 985 intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1); 986 987 for (i = 0; i <= av_split; i++) { 988 set_buf_index[0] = i; set_buf_index[1] = 0; 989 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX, 990 set_buf_index, 2); 991 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0); 992 intel_sdvo_read_response(encoder, &buf_size, 1); 993 994 pos = buf; 995 for (j = 0; j <= buf_size; j += 8) { 996 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA, 997 NULL, 0); 998 intel_sdvo_read_response(encoder, pos, 8); 999 pos += 8; 1000 } 1001 } 1002 } 1003 #endif 1004 1005 static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo, 1006 unsigned int if_index, u8 tx_rate, 1007 const u8 *data, unsigned int length) 1008 { 1009 u8 set_buf_index[2] = { if_index, 0 }; 1010 u8 hbuf_size, tmp[8]; 1011 int i; 1012 1013 if (!intel_sdvo_set_value(intel_sdvo, 1014 SDVO_CMD_SET_HBUF_INDEX, 1015 set_buf_index, 2)) 1016 return false; 1017 1018 if (!intel_sdvo_get_hbuf_size(intel_sdvo, &hbuf_size)) 1019 return false; 1020 1021 DRM_DEBUG_KMS("writing sdvo hbuf: %i, length %u, hbuf_size: %i\n", 1022 if_index, length, hbuf_size); 1023 1024 if (hbuf_size < length) 1025 return false; 1026 1027 for (i = 0; i < hbuf_size; i += 8) { 1028 memset(tmp, 0, 8); 1029 if (i < length) 1030 memcpy(tmp, data + i, min_t(unsigned, 8, length - i)); 1031 1032 if (!intel_sdvo_set_value(intel_sdvo, 1033 SDVO_CMD_SET_HBUF_DATA, 1034 tmp, 8)) 1035 return false; 1036 } 1037 1038 return intel_sdvo_set_value(intel_sdvo, 1039 SDVO_CMD_SET_HBUF_TXRATE, 1040 &tx_rate, 1); 1041 } 1042 1043 static ssize_t intel_sdvo_read_infoframe(struct intel_sdvo *intel_sdvo, 1044 unsigned int if_index, 1045 u8 *data, unsigned int length) 1046 { 1047 u8 set_buf_index[2] = { if_index, 0 }; 1048 u8 hbuf_size, tx_rate, av_split; 1049 int i; 1050 1051 if (!intel_sdvo_get_value(intel_sdvo, 1052 SDVO_CMD_GET_HBUF_AV_SPLIT, 1053 &av_split, 1)) 1054 return -ENXIO; 1055 1056 if (av_split < if_index) 1057 return 0; 1058 1059 if (!intel_sdvo_set_value(intel_sdvo, 1060 SDVO_CMD_SET_HBUF_INDEX, 1061 set_buf_index, 2)) 1062 return -ENXIO; 1063 1064 if (!intel_sdvo_get_value(intel_sdvo, 1065 SDVO_CMD_GET_HBUF_TXRATE, 1066 &tx_rate, 1)) 1067 return -ENXIO; 1068 1069 if (tx_rate == SDVO_HBUF_TX_DISABLED) 1070 return 0; 1071 1072 if (!intel_sdvo_get_hbuf_size(intel_sdvo, &hbuf_size)) 1073 return false; 1074 1075 DRM_DEBUG_KMS("reading sdvo hbuf: %i, length %u, hbuf_size: %i\n", 1076 if_index, length, hbuf_size); 1077 1078 hbuf_size = min_t(unsigned int, length, hbuf_size); 1079 1080 for (i = 0; i < hbuf_size; i += 8) { 1081 if (!intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_HBUF_DATA, NULL, 0)) 1082 return -ENXIO; 1083 if (!intel_sdvo_read_response(intel_sdvo, &data[i], 1084 min_t(unsigned int, 8, hbuf_size - i))) 1085 return -ENXIO; 1086 } 1087 1088 return hbuf_size; 1089 } 1090 1091 static bool intel_sdvo_compute_avi_infoframe(struct intel_sdvo *intel_sdvo, 1092 struct intel_crtc_state *crtc_state, 1093 struct drm_connector_state *conn_state) 1094 { 1095 struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev); 1096 struct hdmi_avi_infoframe *frame = &crtc_state->infoframes.avi.avi; 1097 const struct drm_display_mode *adjusted_mode = 1098 &crtc_state->hw.adjusted_mode; 1099 int ret; 1100 1101 if (!crtc_state->has_hdmi_sink) 1102 return true; 1103 1104 crtc_state->infoframes.enable |= 1105 intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_AVI); 1106 1107 ret = drm_hdmi_avi_infoframe_from_display_mode(frame, 1108 conn_state->connector, 1109 adjusted_mode); 1110 if (ret) 1111 return false; 1112 1113 drm_hdmi_avi_infoframe_quant_range(frame, 1114 conn_state->connector, 1115 adjusted_mode, 1116 crtc_state->limited_color_range ? 1117 HDMI_QUANTIZATION_RANGE_LIMITED : 1118 HDMI_QUANTIZATION_RANGE_FULL); 1119 1120 ret = hdmi_avi_infoframe_check(frame); 1121 if (drm_WARN_ON(&dev_priv->drm, ret)) 1122 return false; 1123 1124 return true; 1125 } 1126 1127 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo, 1128 const struct intel_crtc_state *crtc_state) 1129 { 1130 struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev); 1131 u8 sdvo_data[HDMI_INFOFRAME_SIZE(AVI)]; 1132 const union hdmi_infoframe *frame = &crtc_state->infoframes.avi; 1133 ssize_t len; 1134 1135 if ((crtc_state->infoframes.enable & 1136 intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_AVI)) == 0) 1137 return true; 1138 1139 if (drm_WARN_ON(&dev_priv->drm, 1140 frame->any.type != HDMI_INFOFRAME_TYPE_AVI)) 1141 return false; 1142 1143 len = hdmi_infoframe_pack_only(frame, sdvo_data, sizeof(sdvo_data)); 1144 if (drm_WARN_ON(&dev_priv->drm, len < 0)) 1145 return false; 1146 1147 return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF, 1148 SDVO_HBUF_TX_VSYNC, 1149 sdvo_data, len); 1150 } 1151 1152 static void intel_sdvo_get_avi_infoframe(struct intel_sdvo *intel_sdvo, 1153 struct intel_crtc_state *crtc_state) 1154 { 1155 u8 sdvo_data[HDMI_INFOFRAME_SIZE(AVI)]; 1156 union hdmi_infoframe *frame = &crtc_state->infoframes.avi; 1157 ssize_t len; 1158 int ret; 1159 1160 if (!crtc_state->has_hdmi_sink) 1161 return; 1162 1163 len = intel_sdvo_read_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF, 1164 sdvo_data, sizeof(sdvo_data)); 1165 if (len < 0) { 1166 DRM_DEBUG_KMS("failed to read AVI infoframe\n"); 1167 return; 1168 } else if (len == 0) { 1169 return; 1170 } 1171 1172 crtc_state->infoframes.enable |= 1173 intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_AVI); 1174 1175 ret = hdmi_infoframe_unpack(frame, sdvo_data, len); 1176 if (ret) { 1177 DRM_DEBUG_KMS("Failed to unpack AVI infoframe\n"); 1178 return; 1179 } 1180 1181 if (frame->any.type != HDMI_INFOFRAME_TYPE_AVI) 1182 DRM_DEBUG_KMS("Found the wrong infoframe type 0x%x (expected 0x%02x)\n", 1183 frame->any.type, HDMI_INFOFRAME_TYPE_AVI); 1184 } 1185 1186 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo, 1187 const struct drm_connector_state *conn_state) 1188 { 1189 struct intel_sdvo_tv_format format; 1190 u32 format_map; 1191 1192 format_map = 1 << conn_state->tv.mode; 1193 memset(&format, 0, sizeof(format)); 1194 memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map))); 1195 1196 BUILD_BUG_ON(sizeof(format) != 6); 1197 return intel_sdvo_set_value(intel_sdvo, 1198 SDVO_CMD_SET_TV_FORMAT, 1199 &format, sizeof(format)); 1200 } 1201 1202 static bool 1203 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo, 1204 const struct drm_display_mode *mode) 1205 { 1206 struct intel_sdvo_dtd output_dtd; 1207 1208 if (!intel_sdvo_set_target_output(intel_sdvo, 1209 intel_sdvo->attached_output)) 1210 return false; 1211 1212 intel_sdvo_get_dtd_from_mode(&output_dtd, mode); 1213 if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd)) 1214 return false; 1215 1216 return true; 1217 } 1218 1219 /* 1220 * Asks the sdvo controller for the preferred input mode given the output mode. 1221 * Unfortunately we have to set up the full output mode to do that. 1222 */ 1223 static bool 1224 intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo, 1225 struct intel_sdvo_connector *intel_sdvo_connector, 1226 const struct drm_display_mode *mode, 1227 struct drm_display_mode *adjusted_mode) 1228 { 1229 struct intel_sdvo_dtd input_dtd; 1230 1231 /* Reset the input timing to the screen. Assume always input 0. */ 1232 if (!intel_sdvo_set_target_input(intel_sdvo)) 1233 return false; 1234 1235 if (!intel_sdvo_create_preferred_input_timing(intel_sdvo, 1236 intel_sdvo_connector, 1237 mode->clock / 10, 1238 mode->hdisplay, 1239 mode->vdisplay)) 1240 return false; 1241 1242 if (!intel_sdvo_get_preferred_input_timing(intel_sdvo, 1243 &input_dtd)) 1244 return false; 1245 1246 intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd); 1247 intel_sdvo->dtd_sdvo_flags = input_dtd.part2.sdvo_flags; 1248 1249 return true; 1250 } 1251 1252 static void i9xx_adjust_sdvo_tv_clock(struct intel_crtc_state *pipe_config) 1253 { 1254 struct drm_i915_private *dev_priv = to_i915(pipe_config->uapi.crtc->dev); 1255 unsigned dotclock = pipe_config->port_clock; 1256 struct dpll *clock = &pipe_config->dpll; 1257 1258 /* 1259 * SDVO TV has fixed PLL values depend on its clock range, 1260 * this mirrors vbios setting. 1261 */ 1262 if (dotclock >= 100000 && dotclock < 140500) { 1263 clock->p1 = 2; 1264 clock->p2 = 10; 1265 clock->n = 3; 1266 clock->m1 = 16; 1267 clock->m2 = 8; 1268 } else if (dotclock >= 140500 && dotclock <= 200000) { 1269 clock->p1 = 1; 1270 clock->p2 = 10; 1271 clock->n = 6; 1272 clock->m1 = 12; 1273 clock->m2 = 8; 1274 } else { 1275 drm_WARN(&dev_priv->drm, 1, 1276 "SDVO TV clock out of range: %i\n", dotclock); 1277 } 1278 1279 pipe_config->clock_set = true; 1280 } 1281 1282 static bool intel_has_hdmi_sink(struct intel_sdvo *sdvo, 1283 const struct drm_connector_state *conn_state) 1284 { 1285 return sdvo->has_hdmi_monitor && 1286 READ_ONCE(to_intel_digital_connector_state(conn_state)->force_audio) != HDMI_AUDIO_OFF_DVI; 1287 } 1288 1289 static bool intel_sdvo_limited_color_range(struct intel_encoder *encoder, 1290 const struct intel_crtc_state *crtc_state, 1291 const struct drm_connector_state *conn_state) 1292 { 1293 struct intel_sdvo *intel_sdvo = to_sdvo(encoder); 1294 1295 if ((intel_sdvo->colorimetry_cap & SDVO_COLORIMETRY_RGB220) == 0) 1296 return false; 1297 1298 return intel_hdmi_limited_color_range(crtc_state, conn_state); 1299 } 1300 1301 static int intel_sdvo_compute_config(struct intel_encoder *encoder, 1302 struct intel_crtc_state *pipe_config, 1303 struct drm_connector_state *conn_state) 1304 { 1305 struct intel_sdvo *intel_sdvo = to_sdvo(encoder); 1306 struct intel_sdvo_connector_state *intel_sdvo_state = 1307 to_intel_sdvo_connector_state(conn_state); 1308 struct intel_sdvo_connector *intel_sdvo_connector = 1309 to_intel_sdvo_connector(conn_state->connector); 1310 struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode; 1311 struct drm_display_mode *mode = &pipe_config->hw.mode; 1312 1313 DRM_DEBUG_KMS("forcing bpc to 8 for SDVO\n"); 1314 pipe_config->pipe_bpp = 8*3; 1315 pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB; 1316 1317 if (HAS_PCH_SPLIT(to_i915(encoder->base.dev))) 1318 pipe_config->has_pch_encoder = true; 1319 1320 /* 1321 * We need to construct preferred input timings based on our 1322 * output timings. To do that, we have to set the output 1323 * timings, even though this isn't really the right place in 1324 * the sequence to do it. Oh well. 1325 */ 1326 if (IS_TV(intel_sdvo_connector)) { 1327 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode)) 1328 return -EINVAL; 1329 1330 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo, 1331 intel_sdvo_connector, 1332 mode, 1333 adjusted_mode); 1334 pipe_config->sdvo_tv_clock = true; 1335 } else if (IS_LVDS(intel_sdvo_connector)) { 1336 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, 1337 intel_sdvo_connector->base.panel.fixed_mode)) 1338 return -EINVAL; 1339 1340 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo, 1341 intel_sdvo_connector, 1342 mode, 1343 adjusted_mode); 1344 } 1345 1346 if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN) 1347 return -EINVAL; 1348 1349 /* 1350 * Make the CRTC code factor in the SDVO pixel multiplier. The 1351 * SDVO device will factor out the multiplier during mode_set. 1352 */ 1353 pipe_config->pixel_multiplier = 1354 intel_sdvo_get_pixel_multiplier(adjusted_mode); 1355 1356 pipe_config->has_hdmi_sink = intel_has_hdmi_sink(intel_sdvo, conn_state); 1357 1358 if (pipe_config->has_hdmi_sink) { 1359 if (intel_sdvo_state->base.force_audio == HDMI_AUDIO_AUTO) 1360 pipe_config->has_audio = intel_sdvo->has_hdmi_audio; 1361 else 1362 pipe_config->has_audio = 1363 intel_sdvo_state->base.force_audio == HDMI_AUDIO_ON; 1364 } 1365 1366 pipe_config->limited_color_range = 1367 intel_sdvo_limited_color_range(encoder, pipe_config, 1368 conn_state); 1369 1370 /* Clock computation needs to happen after pixel multiplier. */ 1371 if (IS_TV(intel_sdvo_connector)) 1372 i9xx_adjust_sdvo_tv_clock(pipe_config); 1373 1374 if (conn_state->picture_aspect_ratio) 1375 adjusted_mode->picture_aspect_ratio = 1376 conn_state->picture_aspect_ratio; 1377 1378 if (!intel_sdvo_compute_avi_infoframe(intel_sdvo, 1379 pipe_config, conn_state)) { 1380 DRM_DEBUG_KMS("bad AVI infoframe\n"); 1381 return -EINVAL; 1382 } 1383 1384 return 0; 1385 } 1386 1387 #define UPDATE_PROPERTY(input, NAME) \ 1388 do { \ 1389 val = input; \ 1390 intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_##NAME, &val, sizeof(val)); \ 1391 } while (0) 1392 1393 static void intel_sdvo_update_props(struct intel_sdvo *intel_sdvo, 1394 const struct intel_sdvo_connector_state *sdvo_state) 1395 { 1396 const struct drm_connector_state *conn_state = &sdvo_state->base.base; 1397 struct intel_sdvo_connector *intel_sdvo_conn = 1398 to_intel_sdvo_connector(conn_state->connector); 1399 u16 val; 1400 1401 if (intel_sdvo_conn->left) 1402 UPDATE_PROPERTY(sdvo_state->tv.overscan_h, OVERSCAN_H); 1403 1404 if (intel_sdvo_conn->top) 1405 UPDATE_PROPERTY(sdvo_state->tv.overscan_v, OVERSCAN_V); 1406 1407 if (intel_sdvo_conn->hpos) 1408 UPDATE_PROPERTY(sdvo_state->tv.hpos, HPOS); 1409 1410 if (intel_sdvo_conn->vpos) 1411 UPDATE_PROPERTY(sdvo_state->tv.vpos, VPOS); 1412 1413 if (intel_sdvo_conn->saturation) 1414 UPDATE_PROPERTY(conn_state->tv.saturation, SATURATION); 1415 1416 if (intel_sdvo_conn->contrast) 1417 UPDATE_PROPERTY(conn_state->tv.contrast, CONTRAST); 1418 1419 if (intel_sdvo_conn->hue) 1420 UPDATE_PROPERTY(conn_state->tv.hue, HUE); 1421 1422 if (intel_sdvo_conn->brightness) 1423 UPDATE_PROPERTY(conn_state->tv.brightness, BRIGHTNESS); 1424 1425 if (intel_sdvo_conn->sharpness) 1426 UPDATE_PROPERTY(sdvo_state->tv.sharpness, SHARPNESS); 1427 1428 if (intel_sdvo_conn->flicker_filter) 1429 UPDATE_PROPERTY(sdvo_state->tv.flicker_filter, FLICKER_FILTER); 1430 1431 if (intel_sdvo_conn->flicker_filter_2d) 1432 UPDATE_PROPERTY(sdvo_state->tv.flicker_filter_2d, FLICKER_FILTER_2D); 1433 1434 if (intel_sdvo_conn->flicker_filter_adaptive) 1435 UPDATE_PROPERTY(sdvo_state->tv.flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE); 1436 1437 if (intel_sdvo_conn->tv_chroma_filter) 1438 UPDATE_PROPERTY(sdvo_state->tv.chroma_filter, TV_CHROMA_FILTER); 1439 1440 if (intel_sdvo_conn->tv_luma_filter) 1441 UPDATE_PROPERTY(sdvo_state->tv.luma_filter, TV_LUMA_FILTER); 1442 1443 if (intel_sdvo_conn->dot_crawl) 1444 UPDATE_PROPERTY(sdvo_state->tv.dot_crawl, DOT_CRAWL); 1445 1446 #undef UPDATE_PROPERTY 1447 } 1448 1449 static void intel_sdvo_pre_enable(struct intel_atomic_state *state, 1450 struct intel_encoder *intel_encoder, 1451 const struct intel_crtc_state *crtc_state, 1452 const struct drm_connector_state *conn_state) 1453 { 1454 struct drm_i915_private *dev_priv = to_i915(intel_encoder->base.dev); 1455 struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); 1456 const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode; 1457 const struct intel_sdvo_connector_state *sdvo_state = 1458 to_intel_sdvo_connector_state(conn_state); 1459 const struct intel_sdvo_connector *intel_sdvo_connector = 1460 to_intel_sdvo_connector(conn_state->connector); 1461 const struct drm_display_mode *mode = &crtc_state->hw.mode; 1462 struct intel_sdvo *intel_sdvo = to_sdvo(intel_encoder); 1463 u32 sdvox; 1464 struct intel_sdvo_in_out_map in_out; 1465 struct intel_sdvo_dtd input_dtd, output_dtd; 1466 int rate; 1467 1468 intel_sdvo_update_props(intel_sdvo, sdvo_state); 1469 1470 /* 1471 * First, set the input mapping for the first input to our controlled 1472 * output. This is only correct if we're a single-input device, in 1473 * which case the first input is the output from the appropriate SDVO 1474 * channel on the motherboard. In a two-input device, the first input 1475 * will be SDVOB and the second SDVOC. 1476 */ 1477 in_out.in0 = intel_sdvo->attached_output; 1478 in_out.in1 = 0; 1479 1480 intel_sdvo_set_value(intel_sdvo, 1481 SDVO_CMD_SET_IN_OUT_MAP, 1482 &in_out, sizeof(in_out)); 1483 1484 /* Set the output timings to the screen */ 1485 if (!intel_sdvo_set_target_output(intel_sdvo, 1486 intel_sdvo->attached_output)) 1487 return; 1488 1489 /* lvds has a special fixed output timing. */ 1490 if (IS_LVDS(intel_sdvo_connector)) 1491 intel_sdvo_get_dtd_from_mode(&output_dtd, 1492 intel_sdvo_connector->base.panel.fixed_mode); 1493 else 1494 intel_sdvo_get_dtd_from_mode(&output_dtd, mode); 1495 if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd)) 1496 drm_info(&dev_priv->drm, 1497 "Setting output timings on %s failed\n", 1498 SDVO_NAME(intel_sdvo)); 1499 1500 /* Set the input timing to the screen. Assume always input 0. */ 1501 if (!intel_sdvo_set_target_input(intel_sdvo)) 1502 return; 1503 1504 if (crtc_state->has_hdmi_sink) { 1505 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI); 1506 intel_sdvo_set_colorimetry(intel_sdvo, 1507 crtc_state->limited_color_range ? 1508 SDVO_COLORIMETRY_RGB220 : 1509 SDVO_COLORIMETRY_RGB256); 1510 intel_sdvo_set_avi_infoframe(intel_sdvo, crtc_state); 1511 intel_sdvo_set_pixel_replication(intel_sdvo, 1512 !!(adjusted_mode->flags & 1513 DRM_MODE_FLAG_DBLCLK)); 1514 } else 1515 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI); 1516 1517 if (IS_TV(intel_sdvo_connector) && 1518 !intel_sdvo_set_tv_format(intel_sdvo, conn_state)) 1519 return; 1520 1521 intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode); 1522 1523 if (IS_TV(intel_sdvo_connector) || IS_LVDS(intel_sdvo_connector)) 1524 input_dtd.part2.sdvo_flags = intel_sdvo->dtd_sdvo_flags; 1525 if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd)) 1526 drm_info(&dev_priv->drm, 1527 "Setting input timings on %s failed\n", 1528 SDVO_NAME(intel_sdvo)); 1529 1530 switch (crtc_state->pixel_multiplier) { 1531 default: 1532 drm_WARN(&dev_priv->drm, 1, 1533 "unknown pixel multiplier specified\n"); 1534 /* fall through */ 1535 case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break; 1536 case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break; 1537 case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break; 1538 } 1539 if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate)) 1540 return; 1541 1542 /* Set the SDVO control regs. */ 1543 if (INTEL_GEN(dev_priv) >= 4) { 1544 /* The real mode polarity is set by the SDVO commands, using 1545 * struct intel_sdvo_dtd. */ 1546 sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH; 1547 if (INTEL_GEN(dev_priv) < 5) 1548 sdvox |= SDVO_BORDER_ENABLE; 1549 } else { 1550 sdvox = intel_de_read(dev_priv, intel_sdvo->sdvo_reg); 1551 if (intel_sdvo->port == PORT_B) 1552 sdvox &= SDVOB_PRESERVE_MASK; 1553 else 1554 sdvox &= SDVOC_PRESERVE_MASK; 1555 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE; 1556 } 1557 1558 if (HAS_PCH_CPT(dev_priv)) 1559 sdvox |= SDVO_PIPE_SEL_CPT(crtc->pipe); 1560 else 1561 sdvox |= SDVO_PIPE_SEL(crtc->pipe); 1562 1563 if (INTEL_GEN(dev_priv) >= 4) { 1564 /* done in crtc_mode_set as the dpll_md reg must be written early */ 1565 } else if (IS_I945G(dev_priv) || IS_I945GM(dev_priv) || 1566 IS_G33(dev_priv) || IS_PINEVIEW(dev_priv)) { 1567 /* done in crtc_mode_set as it lives inside the dpll register */ 1568 } else { 1569 sdvox |= (crtc_state->pixel_multiplier - 1) 1570 << SDVO_PORT_MULTIPLY_SHIFT; 1571 } 1572 1573 if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL && 1574 INTEL_GEN(dev_priv) < 5) 1575 sdvox |= SDVO_STALL_SELECT; 1576 intel_sdvo_write_sdvox(intel_sdvo, sdvox); 1577 } 1578 1579 static bool intel_sdvo_connector_get_hw_state(struct intel_connector *connector) 1580 { 1581 struct intel_sdvo_connector *intel_sdvo_connector = 1582 to_intel_sdvo_connector(&connector->base); 1583 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector); 1584 u16 active_outputs = 0; 1585 1586 intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs); 1587 1588 return active_outputs & intel_sdvo_connector->output_flag; 1589 } 1590 1591 bool intel_sdvo_port_enabled(struct drm_i915_private *dev_priv, 1592 i915_reg_t sdvo_reg, enum pipe *pipe) 1593 { 1594 u32 val; 1595 1596 val = intel_de_read(dev_priv, sdvo_reg); 1597 1598 /* asserts want to know the pipe even if the port is disabled */ 1599 if (HAS_PCH_CPT(dev_priv)) 1600 *pipe = (val & SDVO_PIPE_SEL_MASK_CPT) >> SDVO_PIPE_SEL_SHIFT_CPT; 1601 else if (IS_CHERRYVIEW(dev_priv)) 1602 *pipe = (val & SDVO_PIPE_SEL_MASK_CHV) >> SDVO_PIPE_SEL_SHIFT_CHV; 1603 else 1604 *pipe = (val & SDVO_PIPE_SEL_MASK) >> SDVO_PIPE_SEL_SHIFT; 1605 1606 return val & SDVO_ENABLE; 1607 } 1608 1609 static bool intel_sdvo_get_hw_state(struct intel_encoder *encoder, 1610 enum pipe *pipe) 1611 { 1612 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); 1613 struct intel_sdvo *intel_sdvo = to_sdvo(encoder); 1614 u16 active_outputs = 0; 1615 bool ret; 1616 1617 intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs); 1618 1619 ret = intel_sdvo_port_enabled(dev_priv, intel_sdvo->sdvo_reg, pipe); 1620 1621 return ret || active_outputs; 1622 } 1623 1624 static void intel_sdvo_get_config(struct intel_encoder *encoder, 1625 struct intel_crtc_state *pipe_config) 1626 { 1627 struct drm_device *dev = encoder->base.dev; 1628 struct drm_i915_private *dev_priv = to_i915(dev); 1629 struct intel_sdvo *intel_sdvo = to_sdvo(encoder); 1630 struct intel_sdvo_dtd dtd; 1631 int encoder_pixel_multiplier = 0; 1632 int dotclock; 1633 u32 flags = 0, sdvox; 1634 u8 val; 1635 bool ret; 1636 1637 pipe_config->output_types |= BIT(INTEL_OUTPUT_SDVO); 1638 1639 sdvox = intel_de_read(dev_priv, intel_sdvo->sdvo_reg); 1640 1641 ret = intel_sdvo_get_input_timing(intel_sdvo, &dtd); 1642 if (!ret) { 1643 /* 1644 * Some sdvo encoders are not spec compliant and don't 1645 * implement the mandatory get_timings function. 1646 */ 1647 drm_dbg(&dev_priv->drm, "failed to retrieve SDVO DTD\n"); 1648 pipe_config->quirks |= PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS; 1649 } else { 1650 if (dtd.part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE) 1651 flags |= DRM_MODE_FLAG_PHSYNC; 1652 else 1653 flags |= DRM_MODE_FLAG_NHSYNC; 1654 1655 if (dtd.part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE) 1656 flags |= DRM_MODE_FLAG_PVSYNC; 1657 else 1658 flags |= DRM_MODE_FLAG_NVSYNC; 1659 } 1660 1661 pipe_config->hw.adjusted_mode.flags |= flags; 1662 1663 /* 1664 * pixel multiplier readout is tricky: Only on i915g/gm it is stored in 1665 * the sdvo port register, on all other platforms it is part of the dpll 1666 * state. Since the general pipe state readout happens before the 1667 * encoder->get_config we so already have a valid pixel multplier on all 1668 * other platfroms. 1669 */ 1670 if (IS_I915G(dev_priv) || IS_I915GM(dev_priv)) { 1671 pipe_config->pixel_multiplier = 1672 ((sdvox & SDVO_PORT_MULTIPLY_MASK) 1673 >> SDVO_PORT_MULTIPLY_SHIFT) + 1; 1674 } 1675 1676 dotclock = pipe_config->port_clock; 1677 1678 if (pipe_config->pixel_multiplier) 1679 dotclock /= pipe_config->pixel_multiplier; 1680 1681 pipe_config->hw.adjusted_mode.crtc_clock = dotclock; 1682 1683 /* Cross check the port pixel multiplier with the sdvo encoder state. */ 1684 if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_CLOCK_RATE_MULT, 1685 &val, 1)) { 1686 switch (val) { 1687 case SDVO_CLOCK_RATE_MULT_1X: 1688 encoder_pixel_multiplier = 1; 1689 break; 1690 case SDVO_CLOCK_RATE_MULT_2X: 1691 encoder_pixel_multiplier = 2; 1692 break; 1693 case SDVO_CLOCK_RATE_MULT_4X: 1694 encoder_pixel_multiplier = 4; 1695 break; 1696 } 1697 } 1698 1699 drm_WARN(dev, 1700 encoder_pixel_multiplier != pipe_config->pixel_multiplier, 1701 "SDVO pixel multiplier mismatch, port: %i, encoder: %i\n", 1702 pipe_config->pixel_multiplier, encoder_pixel_multiplier); 1703 1704 if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_COLORIMETRY, 1705 &val, 1)) { 1706 if (val == SDVO_COLORIMETRY_RGB220) 1707 pipe_config->limited_color_range = true; 1708 } 1709 1710 if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_AUDIO_STAT, 1711 &val, 1)) { 1712 u8 mask = SDVO_AUDIO_ELD_VALID | SDVO_AUDIO_PRESENCE_DETECT; 1713 1714 if ((val & mask) == mask) 1715 pipe_config->has_audio = true; 1716 } 1717 1718 if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ENCODE, 1719 &val, 1)) { 1720 if (val == SDVO_ENCODE_HDMI) 1721 pipe_config->has_hdmi_sink = true; 1722 } 1723 1724 intel_sdvo_get_avi_infoframe(intel_sdvo, pipe_config); 1725 } 1726 1727 static void intel_sdvo_disable_audio(struct intel_sdvo *intel_sdvo) 1728 { 1729 intel_sdvo_set_audio_state(intel_sdvo, 0); 1730 } 1731 1732 static void intel_sdvo_enable_audio(struct intel_sdvo *intel_sdvo, 1733 const struct intel_crtc_state *crtc_state, 1734 const struct drm_connector_state *conn_state) 1735 { 1736 const struct drm_display_mode *adjusted_mode = 1737 &crtc_state->hw.adjusted_mode; 1738 struct drm_connector *connector = conn_state->connector; 1739 u8 *eld = connector->eld; 1740 1741 eld[6] = drm_av_sync_delay(connector, adjusted_mode) / 2; 1742 1743 intel_sdvo_set_audio_state(intel_sdvo, 0); 1744 1745 intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_ELD, 1746 SDVO_HBUF_TX_DISABLED, 1747 eld, drm_eld_size(eld)); 1748 1749 intel_sdvo_set_audio_state(intel_sdvo, SDVO_AUDIO_ELD_VALID | 1750 SDVO_AUDIO_PRESENCE_DETECT); 1751 } 1752 1753 static void intel_disable_sdvo(struct intel_atomic_state *state, 1754 struct intel_encoder *encoder, 1755 const struct intel_crtc_state *old_crtc_state, 1756 const struct drm_connector_state *conn_state) 1757 { 1758 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); 1759 struct intel_sdvo *intel_sdvo = to_sdvo(encoder); 1760 struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc); 1761 u32 temp; 1762 1763 if (old_crtc_state->has_audio) 1764 intel_sdvo_disable_audio(intel_sdvo); 1765 1766 intel_sdvo_set_active_outputs(intel_sdvo, 0); 1767 if (0) 1768 intel_sdvo_set_encoder_power_state(intel_sdvo, 1769 DRM_MODE_DPMS_OFF); 1770 1771 temp = intel_de_read(dev_priv, intel_sdvo->sdvo_reg); 1772 1773 temp &= ~SDVO_ENABLE; 1774 intel_sdvo_write_sdvox(intel_sdvo, temp); 1775 1776 /* 1777 * HW workaround for IBX, we need to move the port 1778 * to transcoder A after disabling it to allow the 1779 * matching DP port to be enabled on transcoder A. 1780 */ 1781 if (HAS_PCH_IBX(dev_priv) && crtc->pipe == PIPE_B) { 1782 /* 1783 * We get CPU/PCH FIFO underruns on the other pipe when 1784 * doing the workaround. Sweep them under the rug. 1785 */ 1786 intel_set_cpu_fifo_underrun_reporting(dev_priv, PIPE_A, false); 1787 intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, false); 1788 1789 temp &= ~SDVO_PIPE_SEL_MASK; 1790 temp |= SDVO_ENABLE | SDVO_PIPE_SEL(PIPE_A); 1791 intel_sdvo_write_sdvox(intel_sdvo, temp); 1792 1793 temp &= ~SDVO_ENABLE; 1794 intel_sdvo_write_sdvox(intel_sdvo, temp); 1795 1796 intel_wait_for_vblank_if_active(dev_priv, PIPE_A); 1797 intel_set_cpu_fifo_underrun_reporting(dev_priv, PIPE_A, true); 1798 intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, true); 1799 } 1800 } 1801 1802 static void pch_disable_sdvo(struct intel_atomic_state *state, 1803 struct intel_encoder *encoder, 1804 const struct intel_crtc_state *old_crtc_state, 1805 const struct drm_connector_state *old_conn_state) 1806 { 1807 } 1808 1809 static void pch_post_disable_sdvo(struct intel_atomic_state *state, 1810 struct intel_encoder *encoder, 1811 const struct intel_crtc_state *old_crtc_state, 1812 const struct drm_connector_state *old_conn_state) 1813 { 1814 intel_disable_sdvo(state, encoder, old_crtc_state, old_conn_state); 1815 } 1816 1817 static void intel_enable_sdvo(struct intel_atomic_state *state, 1818 struct intel_encoder *encoder, 1819 const struct intel_crtc_state *pipe_config, 1820 const struct drm_connector_state *conn_state) 1821 { 1822 struct drm_device *dev = encoder->base.dev; 1823 struct drm_i915_private *dev_priv = to_i915(dev); 1824 struct intel_sdvo *intel_sdvo = to_sdvo(encoder); 1825 struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->uapi.crtc); 1826 u32 temp; 1827 bool input1, input2; 1828 int i; 1829 bool success; 1830 1831 temp = intel_de_read(dev_priv, intel_sdvo->sdvo_reg); 1832 temp |= SDVO_ENABLE; 1833 intel_sdvo_write_sdvox(intel_sdvo, temp); 1834 1835 for (i = 0; i < 2; i++) 1836 intel_wait_for_vblank(dev_priv, intel_crtc->pipe); 1837 1838 success = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2); 1839 /* 1840 * Warn if the device reported failure to sync. 1841 * 1842 * A lot of SDVO devices fail to notify of sync, but it's 1843 * a given it the status is a success, we succeeded. 1844 */ 1845 if (success && !input1) { 1846 drm_dbg_kms(&dev_priv->drm, 1847 "First %s output reported failure to " 1848 "sync\n", SDVO_NAME(intel_sdvo)); 1849 } 1850 1851 if (0) 1852 intel_sdvo_set_encoder_power_state(intel_sdvo, 1853 DRM_MODE_DPMS_ON); 1854 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output); 1855 1856 if (pipe_config->has_audio) 1857 intel_sdvo_enable_audio(intel_sdvo, pipe_config, conn_state); 1858 } 1859 1860 static enum drm_mode_status 1861 intel_sdvo_mode_valid(struct drm_connector *connector, 1862 struct drm_display_mode *mode) 1863 { 1864 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector)); 1865 struct intel_sdvo_connector *intel_sdvo_connector = 1866 to_intel_sdvo_connector(connector); 1867 int max_dotclk = to_i915(connector->dev)->max_dotclk_freq; 1868 bool has_hdmi_sink = intel_has_hdmi_sink(intel_sdvo, connector->state); 1869 int clock = mode->clock; 1870 1871 if (mode->flags & DRM_MODE_FLAG_DBLSCAN) 1872 return MODE_NO_DBLESCAN; 1873 1874 1875 if (clock > max_dotclk) 1876 return MODE_CLOCK_HIGH; 1877 1878 if (mode->flags & DRM_MODE_FLAG_DBLCLK) { 1879 if (!has_hdmi_sink) 1880 return MODE_CLOCK_LOW; 1881 clock *= 2; 1882 } 1883 1884 if (intel_sdvo->pixel_clock_min > clock) 1885 return MODE_CLOCK_LOW; 1886 1887 if (intel_sdvo->pixel_clock_max < clock) 1888 return MODE_CLOCK_HIGH; 1889 1890 if (IS_LVDS(intel_sdvo_connector)) { 1891 const struct drm_display_mode *fixed_mode = 1892 intel_sdvo_connector->base.panel.fixed_mode; 1893 1894 if (mode->hdisplay > fixed_mode->hdisplay) 1895 return MODE_PANEL; 1896 1897 if (mode->vdisplay > fixed_mode->vdisplay) 1898 return MODE_PANEL; 1899 } 1900 1901 return MODE_OK; 1902 } 1903 1904 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps) 1905 { 1906 BUILD_BUG_ON(sizeof(*caps) != 8); 1907 if (!intel_sdvo_get_value(intel_sdvo, 1908 SDVO_CMD_GET_DEVICE_CAPS, 1909 caps, sizeof(*caps))) 1910 return false; 1911 1912 DRM_DEBUG_KMS("SDVO capabilities:\n" 1913 " vendor_id: %d\n" 1914 " device_id: %d\n" 1915 " device_rev_id: %d\n" 1916 " sdvo_version_major: %d\n" 1917 " sdvo_version_minor: %d\n" 1918 " sdvo_inputs_mask: %d\n" 1919 " smooth_scaling: %d\n" 1920 " sharp_scaling: %d\n" 1921 " up_scaling: %d\n" 1922 " down_scaling: %d\n" 1923 " stall_support: %d\n" 1924 " output_flags: %d\n", 1925 caps->vendor_id, 1926 caps->device_id, 1927 caps->device_rev_id, 1928 caps->sdvo_version_major, 1929 caps->sdvo_version_minor, 1930 caps->sdvo_inputs_mask, 1931 caps->smooth_scaling, 1932 caps->sharp_scaling, 1933 caps->up_scaling, 1934 caps->down_scaling, 1935 caps->stall_support, 1936 caps->output_flags); 1937 1938 return true; 1939 } 1940 1941 static u8 intel_sdvo_get_colorimetry_cap(struct intel_sdvo *intel_sdvo) 1942 { 1943 u8 cap; 1944 1945 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_COLORIMETRY_CAP, 1946 &cap, sizeof(cap))) 1947 return SDVO_COLORIMETRY_RGB256; 1948 1949 return cap; 1950 } 1951 1952 static u16 intel_sdvo_get_hotplug_support(struct intel_sdvo *intel_sdvo) 1953 { 1954 struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev); 1955 u16 hotplug; 1956 1957 if (!I915_HAS_HOTPLUG(dev_priv)) 1958 return 0; 1959 1960 /* 1961 * HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise 1962 * on the line. 1963 */ 1964 if (IS_I945G(dev_priv) || IS_I945GM(dev_priv)) 1965 return 0; 1966 1967 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, 1968 &hotplug, sizeof(hotplug))) 1969 return 0; 1970 1971 return hotplug; 1972 } 1973 1974 static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder) 1975 { 1976 struct intel_sdvo *intel_sdvo = to_sdvo(encoder); 1977 1978 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, 1979 &intel_sdvo->hotplug_active, 2); 1980 } 1981 1982 static enum intel_hotplug_state 1983 intel_sdvo_hotplug(struct intel_encoder *encoder, 1984 struct intel_connector *connector) 1985 { 1986 intel_sdvo_enable_hotplug(encoder); 1987 1988 return intel_encoder_hotplug(encoder, connector); 1989 } 1990 1991 static bool 1992 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo) 1993 { 1994 /* Is there more than one type of output? */ 1995 return hweight16(intel_sdvo->caps.output_flags) > 1; 1996 } 1997 1998 static struct edid * 1999 intel_sdvo_get_edid(struct drm_connector *connector) 2000 { 2001 struct intel_sdvo *sdvo = intel_attached_sdvo(to_intel_connector(connector)); 2002 return drm_get_edid(connector, &sdvo->ddc); 2003 } 2004 2005 /* Mac mini hack -- use the same DDC as the analog connector */ 2006 static struct edid * 2007 intel_sdvo_get_analog_edid(struct drm_connector *connector) 2008 { 2009 struct drm_i915_private *dev_priv = to_i915(connector->dev); 2010 2011 return drm_get_edid(connector, 2012 intel_gmbus_get_adapter(dev_priv, 2013 dev_priv->vbt.crt_ddc_pin)); 2014 } 2015 2016 static enum drm_connector_status 2017 intel_sdvo_tmds_sink_detect(struct drm_connector *connector) 2018 { 2019 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector)); 2020 struct intel_sdvo_connector *intel_sdvo_connector = 2021 to_intel_sdvo_connector(connector); 2022 enum drm_connector_status status; 2023 struct edid *edid; 2024 2025 edid = intel_sdvo_get_edid(connector); 2026 2027 if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) { 2028 u8 ddc, saved_ddc = intel_sdvo->ddc_bus; 2029 2030 /* 2031 * Don't use the 1 as the argument of DDC bus switch to get 2032 * the EDID. It is used for SDVO SPD ROM. 2033 */ 2034 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) { 2035 intel_sdvo->ddc_bus = ddc; 2036 edid = intel_sdvo_get_edid(connector); 2037 if (edid) 2038 break; 2039 } 2040 /* 2041 * If we found the EDID on the other bus, 2042 * assume that is the correct DDC bus. 2043 */ 2044 if (edid == NULL) 2045 intel_sdvo->ddc_bus = saved_ddc; 2046 } 2047 2048 /* 2049 * When there is no edid and no monitor is connected with VGA 2050 * port, try to use the CRT ddc to read the EDID for DVI-connector. 2051 */ 2052 if (edid == NULL) 2053 edid = intel_sdvo_get_analog_edid(connector); 2054 2055 status = connector_status_unknown; 2056 if (edid != NULL) { 2057 /* DDC bus is shared, match EDID to connector type */ 2058 if (edid->input & DRM_EDID_INPUT_DIGITAL) { 2059 status = connector_status_connected; 2060 if (intel_sdvo_connector->is_hdmi) { 2061 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid); 2062 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid); 2063 } 2064 } else 2065 status = connector_status_disconnected; 2066 kfree(edid); 2067 } 2068 2069 return status; 2070 } 2071 2072 static bool 2073 intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo, 2074 struct edid *edid) 2075 { 2076 bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL); 2077 bool connector_is_digital = !!IS_DIGITAL(sdvo); 2078 2079 DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n", 2080 connector_is_digital, monitor_is_digital); 2081 return connector_is_digital == monitor_is_digital; 2082 } 2083 2084 static enum drm_connector_status 2085 intel_sdvo_detect(struct drm_connector *connector, bool force) 2086 { 2087 u16 response; 2088 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector)); 2089 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector); 2090 enum drm_connector_status ret; 2091 2092 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 2093 connector->base.id, connector->name); 2094 2095 if (!intel_sdvo_get_value(intel_sdvo, 2096 SDVO_CMD_GET_ATTACHED_DISPLAYS, 2097 &response, 2)) 2098 return connector_status_unknown; 2099 2100 DRM_DEBUG_KMS("SDVO response %d %d [%x]\n", 2101 response & 0xff, response >> 8, 2102 intel_sdvo_connector->output_flag); 2103 2104 if (response == 0) 2105 return connector_status_disconnected; 2106 2107 intel_sdvo->attached_output = response; 2108 2109 intel_sdvo->has_hdmi_monitor = false; 2110 intel_sdvo->has_hdmi_audio = false; 2111 2112 if ((intel_sdvo_connector->output_flag & response) == 0) 2113 ret = connector_status_disconnected; 2114 else if (IS_TMDS(intel_sdvo_connector)) 2115 ret = intel_sdvo_tmds_sink_detect(connector); 2116 else { 2117 struct edid *edid; 2118 2119 /* if we have an edid check it matches the connection */ 2120 edid = intel_sdvo_get_edid(connector); 2121 if (edid == NULL) 2122 edid = intel_sdvo_get_analog_edid(connector); 2123 if (edid != NULL) { 2124 if (intel_sdvo_connector_matches_edid(intel_sdvo_connector, 2125 edid)) 2126 ret = connector_status_connected; 2127 else 2128 ret = connector_status_disconnected; 2129 2130 kfree(edid); 2131 } else 2132 ret = connector_status_connected; 2133 } 2134 2135 return ret; 2136 } 2137 2138 static int intel_sdvo_get_ddc_modes(struct drm_connector *connector) 2139 { 2140 int num_modes = 0; 2141 struct edid *edid; 2142 2143 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 2144 connector->base.id, connector->name); 2145 2146 /* set the bus switch and get the modes */ 2147 edid = intel_sdvo_get_edid(connector); 2148 2149 /* 2150 * Mac mini hack. On this device, the DVI-I connector shares one DDC 2151 * link between analog and digital outputs. So, if the regular SDVO 2152 * DDC fails, check to see if the analog output is disconnected, in 2153 * which case we'll look there for the digital DDC data. 2154 */ 2155 if (!edid) 2156 edid = intel_sdvo_get_analog_edid(connector); 2157 2158 if (!edid) 2159 return 0; 2160 2161 if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector), 2162 edid)) 2163 num_modes += intel_connector_update_modes(connector, edid); 2164 2165 kfree(edid); 2166 2167 return num_modes; 2168 } 2169 2170 /* 2171 * Set of SDVO TV modes. 2172 * Note! This is in reply order (see loop in get_tv_modes). 2173 * XXX: all 60Hz refresh? 2174 */ 2175 static const struct drm_display_mode sdvo_tv_modes[] = { 2176 { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384, 2177 416, 0, 200, 201, 232, 233, 0, 2178 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 2179 { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384, 2180 416, 0, 240, 241, 272, 273, 0, 2181 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 2182 { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464, 2183 496, 0, 300, 301, 332, 333, 0, 2184 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 2185 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704, 2186 736, 0, 350, 351, 382, 383, 0, 2187 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 2188 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704, 2189 736, 0, 400, 401, 432, 433, 0, 2190 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 2191 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704, 2192 736, 0, 480, 481, 512, 513, 0, 2193 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 2194 { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768, 2195 800, 0, 480, 481, 512, 513, 0, 2196 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 2197 { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768, 2198 800, 0, 576, 577, 608, 609, 0, 2199 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 2200 { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784, 2201 816, 0, 350, 351, 382, 383, 0, 2202 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 2203 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784, 2204 816, 0, 400, 401, 432, 433, 0, 2205 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 2206 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784, 2207 816, 0, 480, 481, 512, 513, 0, 2208 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 2209 { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784, 2210 816, 0, 540, 541, 572, 573, 0, 2211 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 2212 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784, 2213 816, 0, 576, 577, 608, 609, 0, 2214 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 2215 { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832, 2216 864, 0, 576, 577, 608, 609, 0, 2217 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 2218 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864, 2219 896, 0, 600, 601, 632, 633, 0, 2220 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 2221 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896, 2222 928, 0, 624, 625, 656, 657, 0, 2223 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 2224 { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984, 2225 1016, 0, 766, 767, 798, 799, 0, 2226 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 2227 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088, 2228 1120, 0, 768, 769, 800, 801, 0, 2229 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 2230 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344, 2231 1376, 0, 1024, 1025, 1056, 1057, 0, 2232 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 2233 }; 2234 2235 static int intel_sdvo_get_tv_modes(struct drm_connector *connector) 2236 { 2237 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector)); 2238 const struct drm_connector_state *conn_state = connector->state; 2239 struct intel_sdvo_sdtv_resolution_request tv_res; 2240 u32 reply = 0, format_map = 0; 2241 int num_modes = 0; 2242 int i; 2243 2244 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 2245 connector->base.id, connector->name); 2246 2247 /* 2248 * Read the list of supported input resolutions for the selected TV 2249 * format. 2250 */ 2251 format_map = 1 << conn_state->tv.mode; 2252 memcpy(&tv_res, &format_map, 2253 min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request))); 2254 2255 if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output)) 2256 return 0; 2257 2258 BUILD_BUG_ON(sizeof(tv_res) != 3); 2259 if (!intel_sdvo_write_cmd(intel_sdvo, 2260 SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT, 2261 &tv_res, sizeof(tv_res))) 2262 return 0; 2263 if (!intel_sdvo_read_response(intel_sdvo, &reply, 3)) 2264 return 0; 2265 2266 for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++) { 2267 if (reply & (1 << i)) { 2268 struct drm_display_mode *nmode; 2269 nmode = drm_mode_duplicate(connector->dev, 2270 &sdvo_tv_modes[i]); 2271 if (nmode) { 2272 drm_mode_probed_add(connector, nmode); 2273 num_modes++; 2274 } 2275 } 2276 } 2277 2278 return num_modes; 2279 } 2280 2281 static int intel_sdvo_get_lvds_modes(struct drm_connector *connector) 2282 { 2283 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector)); 2284 struct drm_i915_private *dev_priv = to_i915(connector->dev); 2285 struct drm_display_mode *newmode; 2286 int num_modes = 0; 2287 2288 drm_dbg_kms(&dev_priv->drm, "[CONNECTOR:%d:%s]\n", 2289 connector->base.id, connector->name); 2290 2291 /* 2292 * Fetch modes from VBT. For SDVO prefer the VBT mode since some 2293 * SDVO->LVDS transcoders can't cope with the EDID mode. 2294 */ 2295 if (dev_priv->vbt.sdvo_lvds_vbt_mode != NULL) { 2296 newmode = drm_mode_duplicate(connector->dev, 2297 dev_priv->vbt.sdvo_lvds_vbt_mode); 2298 if (newmode != NULL) { 2299 /* Guarantee the mode is preferred */ 2300 newmode->type = (DRM_MODE_TYPE_PREFERRED | 2301 DRM_MODE_TYPE_DRIVER); 2302 drm_mode_probed_add(connector, newmode); 2303 num_modes++; 2304 } 2305 } 2306 2307 /* 2308 * Attempt to get the mode list from DDC. 2309 * Assume that the preferred modes are 2310 * arranged in priority order. 2311 */ 2312 num_modes += intel_ddc_get_modes(connector, &intel_sdvo->ddc); 2313 2314 return num_modes; 2315 } 2316 2317 static int intel_sdvo_get_modes(struct drm_connector *connector) 2318 { 2319 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector); 2320 2321 if (IS_TV(intel_sdvo_connector)) 2322 return intel_sdvo_get_tv_modes(connector); 2323 else if (IS_LVDS(intel_sdvo_connector)) 2324 return intel_sdvo_get_lvds_modes(connector); 2325 else 2326 return intel_sdvo_get_ddc_modes(connector); 2327 } 2328 2329 static int 2330 intel_sdvo_connector_atomic_get_property(struct drm_connector *connector, 2331 const struct drm_connector_state *state, 2332 struct drm_property *property, 2333 u64 *val) 2334 { 2335 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector); 2336 const struct intel_sdvo_connector_state *sdvo_state = to_intel_sdvo_connector_state((void *)state); 2337 2338 if (property == intel_sdvo_connector->tv_format) { 2339 int i; 2340 2341 for (i = 0; i < intel_sdvo_connector->format_supported_num; i++) 2342 if (state->tv.mode == intel_sdvo_connector->tv_format_supported[i]) { 2343 *val = i; 2344 2345 return 0; 2346 } 2347 2348 drm_WARN_ON(connector->dev, 1); 2349 *val = 0; 2350 } else if (property == intel_sdvo_connector->top || 2351 property == intel_sdvo_connector->bottom) 2352 *val = intel_sdvo_connector->max_vscan - sdvo_state->tv.overscan_v; 2353 else if (property == intel_sdvo_connector->left || 2354 property == intel_sdvo_connector->right) 2355 *val = intel_sdvo_connector->max_hscan - sdvo_state->tv.overscan_h; 2356 else if (property == intel_sdvo_connector->hpos) 2357 *val = sdvo_state->tv.hpos; 2358 else if (property == intel_sdvo_connector->vpos) 2359 *val = sdvo_state->tv.vpos; 2360 else if (property == intel_sdvo_connector->saturation) 2361 *val = state->tv.saturation; 2362 else if (property == intel_sdvo_connector->contrast) 2363 *val = state->tv.contrast; 2364 else if (property == intel_sdvo_connector->hue) 2365 *val = state->tv.hue; 2366 else if (property == intel_sdvo_connector->brightness) 2367 *val = state->tv.brightness; 2368 else if (property == intel_sdvo_connector->sharpness) 2369 *val = sdvo_state->tv.sharpness; 2370 else if (property == intel_sdvo_connector->flicker_filter) 2371 *val = sdvo_state->tv.flicker_filter; 2372 else if (property == intel_sdvo_connector->flicker_filter_2d) 2373 *val = sdvo_state->tv.flicker_filter_2d; 2374 else if (property == intel_sdvo_connector->flicker_filter_adaptive) 2375 *val = sdvo_state->tv.flicker_filter_adaptive; 2376 else if (property == intel_sdvo_connector->tv_chroma_filter) 2377 *val = sdvo_state->tv.chroma_filter; 2378 else if (property == intel_sdvo_connector->tv_luma_filter) 2379 *val = sdvo_state->tv.luma_filter; 2380 else if (property == intel_sdvo_connector->dot_crawl) 2381 *val = sdvo_state->tv.dot_crawl; 2382 else 2383 return intel_digital_connector_atomic_get_property(connector, state, property, val); 2384 2385 return 0; 2386 } 2387 2388 static int 2389 intel_sdvo_connector_atomic_set_property(struct drm_connector *connector, 2390 struct drm_connector_state *state, 2391 struct drm_property *property, 2392 u64 val) 2393 { 2394 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector); 2395 struct intel_sdvo_connector_state *sdvo_state = to_intel_sdvo_connector_state(state); 2396 2397 if (property == intel_sdvo_connector->tv_format) { 2398 state->tv.mode = intel_sdvo_connector->tv_format_supported[val]; 2399 2400 if (state->crtc) { 2401 struct drm_crtc_state *crtc_state = 2402 drm_atomic_get_new_crtc_state(state->state, state->crtc); 2403 2404 crtc_state->connectors_changed = true; 2405 } 2406 } else if (property == intel_sdvo_connector->top || 2407 property == intel_sdvo_connector->bottom) 2408 /* Cannot set these independent from each other */ 2409 sdvo_state->tv.overscan_v = intel_sdvo_connector->max_vscan - val; 2410 else if (property == intel_sdvo_connector->left || 2411 property == intel_sdvo_connector->right) 2412 /* Cannot set these independent from each other */ 2413 sdvo_state->tv.overscan_h = intel_sdvo_connector->max_hscan - val; 2414 else if (property == intel_sdvo_connector->hpos) 2415 sdvo_state->tv.hpos = val; 2416 else if (property == intel_sdvo_connector->vpos) 2417 sdvo_state->tv.vpos = val; 2418 else if (property == intel_sdvo_connector->saturation) 2419 state->tv.saturation = val; 2420 else if (property == intel_sdvo_connector->contrast) 2421 state->tv.contrast = val; 2422 else if (property == intel_sdvo_connector->hue) 2423 state->tv.hue = val; 2424 else if (property == intel_sdvo_connector->brightness) 2425 state->tv.brightness = val; 2426 else if (property == intel_sdvo_connector->sharpness) 2427 sdvo_state->tv.sharpness = val; 2428 else if (property == intel_sdvo_connector->flicker_filter) 2429 sdvo_state->tv.flicker_filter = val; 2430 else if (property == intel_sdvo_connector->flicker_filter_2d) 2431 sdvo_state->tv.flicker_filter_2d = val; 2432 else if (property == intel_sdvo_connector->flicker_filter_adaptive) 2433 sdvo_state->tv.flicker_filter_adaptive = val; 2434 else if (property == intel_sdvo_connector->tv_chroma_filter) 2435 sdvo_state->tv.chroma_filter = val; 2436 else if (property == intel_sdvo_connector->tv_luma_filter) 2437 sdvo_state->tv.luma_filter = val; 2438 else if (property == intel_sdvo_connector->dot_crawl) 2439 sdvo_state->tv.dot_crawl = val; 2440 else 2441 return intel_digital_connector_atomic_set_property(connector, state, property, val); 2442 2443 return 0; 2444 } 2445 2446 static int 2447 intel_sdvo_connector_register(struct drm_connector *connector) 2448 { 2449 struct intel_sdvo *sdvo = intel_attached_sdvo(to_intel_connector(connector)); 2450 int ret; 2451 2452 ret = intel_connector_register(connector); 2453 if (ret) 2454 return ret; 2455 2456 return sysfs_create_link(&connector->kdev->kobj, 2457 &sdvo->ddc.dev.kobj, 2458 sdvo->ddc.dev.kobj.name); 2459 } 2460 2461 static void 2462 intel_sdvo_connector_unregister(struct drm_connector *connector) 2463 { 2464 struct intel_sdvo *sdvo = intel_attached_sdvo(to_intel_connector(connector)); 2465 2466 sysfs_remove_link(&connector->kdev->kobj, 2467 sdvo->ddc.dev.kobj.name); 2468 intel_connector_unregister(connector); 2469 } 2470 2471 static struct drm_connector_state * 2472 intel_sdvo_connector_duplicate_state(struct drm_connector *connector) 2473 { 2474 struct intel_sdvo_connector_state *state; 2475 2476 state = kmemdup(connector->state, sizeof(*state), GFP_KERNEL); 2477 if (!state) 2478 return NULL; 2479 2480 __drm_atomic_helper_connector_duplicate_state(connector, &state->base.base); 2481 return &state->base.base; 2482 } 2483 2484 static const struct drm_connector_funcs intel_sdvo_connector_funcs = { 2485 .detect = intel_sdvo_detect, 2486 .fill_modes = drm_helper_probe_single_connector_modes, 2487 .atomic_get_property = intel_sdvo_connector_atomic_get_property, 2488 .atomic_set_property = intel_sdvo_connector_atomic_set_property, 2489 .late_register = intel_sdvo_connector_register, 2490 .early_unregister = intel_sdvo_connector_unregister, 2491 .destroy = intel_connector_destroy, 2492 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 2493 .atomic_duplicate_state = intel_sdvo_connector_duplicate_state, 2494 }; 2495 2496 static int intel_sdvo_atomic_check(struct drm_connector *conn, 2497 struct drm_atomic_state *state) 2498 { 2499 struct drm_connector_state *new_conn_state = 2500 drm_atomic_get_new_connector_state(state, conn); 2501 struct drm_connector_state *old_conn_state = 2502 drm_atomic_get_old_connector_state(state, conn); 2503 struct intel_sdvo_connector_state *old_state = 2504 to_intel_sdvo_connector_state(old_conn_state); 2505 struct intel_sdvo_connector_state *new_state = 2506 to_intel_sdvo_connector_state(new_conn_state); 2507 2508 if (new_conn_state->crtc && 2509 (memcmp(&old_state->tv, &new_state->tv, sizeof(old_state->tv)) || 2510 memcmp(&old_conn_state->tv, &new_conn_state->tv, sizeof(old_conn_state->tv)))) { 2511 struct drm_crtc_state *crtc_state = 2512 drm_atomic_get_new_crtc_state(state, 2513 new_conn_state->crtc); 2514 2515 crtc_state->connectors_changed = true; 2516 } 2517 2518 return intel_digital_connector_atomic_check(conn, state); 2519 } 2520 2521 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = { 2522 .get_modes = intel_sdvo_get_modes, 2523 .mode_valid = intel_sdvo_mode_valid, 2524 .atomic_check = intel_sdvo_atomic_check, 2525 }; 2526 2527 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder) 2528 { 2529 struct intel_sdvo *intel_sdvo = to_sdvo(to_intel_encoder(encoder)); 2530 2531 i2c_del_adapter(&intel_sdvo->ddc); 2532 intel_encoder_destroy(encoder); 2533 } 2534 2535 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = { 2536 .destroy = intel_sdvo_enc_destroy, 2537 }; 2538 2539 static void 2540 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo) 2541 { 2542 u16 mask = 0; 2543 unsigned int num_bits; 2544 2545 /* 2546 * Make a mask of outputs less than or equal to our own priority in the 2547 * list. 2548 */ 2549 switch (sdvo->controlled_output) { 2550 case SDVO_OUTPUT_LVDS1: 2551 mask |= SDVO_OUTPUT_LVDS1; 2552 /* fall through */ 2553 case SDVO_OUTPUT_LVDS0: 2554 mask |= SDVO_OUTPUT_LVDS0; 2555 /* fall through */ 2556 case SDVO_OUTPUT_TMDS1: 2557 mask |= SDVO_OUTPUT_TMDS1; 2558 /* fall through */ 2559 case SDVO_OUTPUT_TMDS0: 2560 mask |= SDVO_OUTPUT_TMDS0; 2561 /* fall through */ 2562 case SDVO_OUTPUT_RGB1: 2563 mask |= SDVO_OUTPUT_RGB1; 2564 /* fall through */ 2565 case SDVO_OUTPUT_RGB0: 2566 mask |= SDVO_OUTPUT_RGB0; 2567 break; 2568 } 2569 2570 /* Count bits to find what number we are in the priority list. */ 2571 mask &= sdvo->caps.output_flags; 2572 num_bits = hweight16(mask); 2573 /* If more than 3 outputs, default to DDC bus 3 for now. */ 2574 if (num_bits > 3) 2575 num_bits = 3; 2576 2577 /* Corresponds to SDVO_CONTROL_BUS_DDCx */ 2578 sdvo->ddc_bus = 1 << num_bits; 2579 } 2580 2581 /* 2582 * Choose the appropriate DDC bus for control bus switch command for this 2583 * SDVO output based on the controlled output. 2584 * 2585 * DDC bus number assignment is in a priority order of RGB outputs, then TMDS 2586 * outputs, then LVDS outputs. 2587 */ 2588 static void 2589 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv, 2590 struct intel_sdvo *sdvo) 2591 { 2592 struct sdvo_device_mapping *mapping; 2593 2594 if (sdvo->port == PORT_B) 2595 mapping = &dev_priv->vbt.sdvo_mappings[0]; 2596 else 2597 mapping = &dev_priv->vbt.sdvo_mappings[1]; 2598 2599 if (mapping->initialized) 2600 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4); 2601 else 2602 intel_sdvo_guess_ddc_bus(sdvo); 2603 } 2604 2605 static void 2606 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv, 2607 struct intel_sdvo *sdvo) 2608 { 2609 struct sdvo_device_mapping *mapping; 2610 u8 pin; 2611 2612 if (sdvo->port == PORT_B) 2613 mapping = &dev_priv->vbt.sdvo_mappings[0]; 2614 else 2615 mapping = &dev_priv->vbt.sdvo_mappings[1]; 2616 2617 if (mapping->initialized && 2618 intel_gmbus_is_valid_pin(dev_priv, mapping->i2c_pin)) 2619 pin = mapping->i2c_pin; 2620 else 2621 pin = GMBUS_PIN_DPB; 2622 2623 sdvo->i2c = intel_gmbus_get_adapter(dev_priv, pin); 2624 2625 /* 2626 * With gmbus we should be able to drive sdvo i2c at 2MHz, but somehow 2627 * our code totally fails once we start using gmbus. Hence fall back to 2628 * bit banging for now. 2629 */ 2630 intel_gmbus_force_bit(sdvo->i2c, true); 2631 } 2632 2633 /* undo any changes intel_sdvo_select_i2c_bus() did to sdvo->i2c */ 2634 static void 2635 intel_sdvo_unselect_i2c_bus(struct intel_sdvo *sdvo) 2636 { 2637 intel_gmbus_force_bit(sdvo->i2c, false); 2638 } 2639 2640 static bool 2641 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device) 2642 { 2643 return intel_sdvo_check_supp_encode(intel_sdvo); 2644 } 2645 2646 static u8 2647 intel_sdvo_get_slave_addr(struct drm_i915_private *dev_priv, 2648 struct intel_sdvo *sdvo) 2649 { 2650 struct sdvo_device_mapping *my_mapping, *other_mapping; 2651 2652 if (sdvo->port == PORT_B) { 2653 my_mapping = &dev_priv->vbt.sdvo_mappings[0]; 2654 other_mapping = &dev_priv->vbt.sdvo_mappings[1]; 2655 } else { 2656 my_mapping = &dev_priv->vbt.sdvo_mappings[1]; 2657 other_mapping = &dev_priv->vbt.sdvo_mappings[0]; 2658 } 2659 2660 /* If the BIOS described our SDVO device, take advantage of it. */ 2661 if (my_mapping->slave_addr) 2662 return my_mapping->slave_addr; 2663 2664 /* 2665 * If the BIOS only described a different SDVO device, use the 2666 * address that it isn't using. 2667 */ 2668 if (other_mapping->slave_addr) { 2669 if (other_mapping->slave_addr == 0x70) 2670 return 0x72; 2671 else 2672 return 0x70; 2673 } 2674 2675 /* 2676 * No SDVO device info is found for another DVO port, 2677 * so use mapping assumption we had before BIOS parsing. 2678 */ 2679 if (sdvo->port == PORT_B) 2680 return 0x70; 2681 else 2682 return 0x72; 2683 } 2684 2685 static int 2686 intel_sdvo_connector_init(struct intel_sdvo_connector *connector, 2687 struct intel_sdvo *encoder) 2688 { 2689 struct drm_connector *drm_connector; 2690 int ret; 2691 2692 drm_connector = &connector->base.base; 2693 ret = drm_connector_init(encoder->base.base.dev, 2694 drm_connector, 2695 &intel_sdvo_connector_funcs, 2696 connector->base.base.connector_type); 2697 if (ret < 0) 2698 return ret; 2699 2700 drm_connector_helper_add(drm_connector, 2701 &intel_sdvo_connector_helper_funcs); 2702 2703 connector->base.base.interlace_allowed = 1; 2704 connector->base.base.doublescan_allowed = 0; 2705 connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB; 2706 connector->base.get_hw_state = intel_sdvo_connector_get_hw_state; 2707 2708 intel_connector_attach_encoder(&connector->base, &encoder->base); 2709 2710 return 0; 2711 } 2712 2713 static void 2714 intel_sdvo_add_hdmi_properties(struct intel_sdvo *intel_sdvo, 2715 struct intel_sdvo_connector *connector) 2716 { 2717 intel_attach_force_audio_property(&connector->base.base); 2718 if (intel_sdvo->colorimetry_cap & SDVO_COLORIMETRY_RGB220) 2719 intel_attach_broadcast_rgb_property(&connector->base.base); 2720 intel_attach_aspect_ratio_property(&connector->base.base); 2721 } 2722 2723 static struct intel_sdvo_connector *intel_sdvo_connector_alloc(void) 2724 { 2725 struct intel_sdvo_connector *sdvo_connector; 2726 struct intel_sdvo_connector_state *conn_state; 2727 2728 sdvo_connector = kzalloc(sizeof(*sdvo_connector), GFP_KERNEL); 2729 if (!sdvo_connector) 2730 return NULL; 2731 2732 conn_state = kzalloc(sizeof(*conn_state), GFP_KERNEL); 2733 if (!conn_state) { 2734 kfree(sdvo_connector); 2735 return NULL; 2736 } 2737 2738 __drm_atomic_helper_connector_reset(&sdvo_connector->base.base, 2739 &conn_state->base.base); 2740 2741 return sdvo_connector; 2742 } 2743 2744 static bool 2745 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device) 2746 { 2747 struct drm_encoder *encoder = &intel_sdvo->base.base; 2748 struct drm_connector *connector; 2749 struct intel_encoder *intel_encoder = to_intel_encoder(encoder); 2750 struct intel_connector *intel_connector; 2751 struct intel_sdvo_connector *intel_sdvo_connector; 2752 2753 DRM_DEBUG_KMS("initialising DVI device %d\n", device); 2754 2755 intel_sdvo_connector = intel_sdvo_connector_alloc(); 2756 if (!intel_sdvo_connector) 2757 return false; 2758 2759 if (device == 0) { 2760 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0; 2761 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0; 2762 } else if (device == 1) { 2763 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1; 2764 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1; 2765 } 2766 2767 intel_connector = &intel_sdvo_connector->base; 2768 connector = &intel_connector->base; 2769 if (intel_sdvo_get_hotplug_support(intel_sdvo) & 2770 intel_sdvo_connector->output_flag) { 2771 intel_sdvo->hotplug_active |= intel_sdvo_connector->output_flag; 2772 /* 2773 * Some SDVO devices have one-shot hotplug interrupts. 2774 * Ensure that they get re-enabled when an interrupt happens. 2775 */ 2776 intel_connector->polled = DRM_CONNECTOR_POLL_HPD; 2777 intel_encoder->hotplug = intel_sdvo_hotplug; 2778 intel_sdvo_enable_hotplug(intel_encoder); 2779 } else { 2780 intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT; 2781 } 2782 encoder->encoder_type = DRM_MODE_ENCODER_TMDS; 2783 connector->connector_type = DRM_MODE_CONNECTOR_DVID; 2784 2785 if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) { 2786 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA; 2787 intel_sdvo_connector->is_hdmi = true; 2788 } 2789 2790 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) { 2791 kfree(intel_sdvo_connector); 2792 return false; 2793 } 2794 2795 if (intel_sdvo_connector->is_hdmi) 2796 intel_sdvo_add_hdmi_properties(intel_sdvo, intel_sdvo_connector); 2797 2798 return true; 2799 } 2800 2801 static bool 2802 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type) 2803 { 2804 struct drm_encoder *encoder = &intel_sdvo->base.base; 2805 struct drm_connector *connector; 2806 struct intel_connector *intel_connector; 2807 struct intel_sdvo_connector *intel_sdvo_connector; 2808 2809 DRM_DEBUG_KMS("initialising TV type %d\n", type); 2810 2811 intel_sdvo_connector = intel_sdvo_connector_alloc(); 2812 if (!intel_sdvo_connector) 2813 return false; 2814 2815 intel_connector = &intel_sdvo_connector->base; 2816 connector = &intel_connector->base; 2817 encoder->encoder_type = DRM_MODE_ENCODER_TVDAC; 2818 connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO; 2819 2820 intel_sdvo->controlled_output |= type; 2821 intel_sdvo_connector->output_flag = type; 2822 2823 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) { 2824 kfree(intel_sdvo_connector); 2825 return false; 2826 } 2827 2828 if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type)) 2829 goto err; 2830 2831 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector)) 2832 goto err; 2833 2834 return true; 2835 2836 err: 2837 intel_connector_destroy(connector); 2838 return false; 2839 } 2840 2841 static bool 2842 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device) 2843 { 2844 struct drm_encoder *encoder = &intel_sdvo->base.base; 2845 struct drm_connector *connector; 2846 struct intel_connector *intel_connector; 2847 struct intel_sdvo_connector *intel_sdvo_connector; 2848 2849 DRM_DEBUG_KMS("initialising analog device %d\n", device); 2850 2851 intel_sdvo_connector = intel_sdvo_connector_alloc(); 2852 if (!intel_sdvo_connector) 2853 return false; 2854 2855 intel_connector = &intel_sdvo_connector->base; 2856 connector = &intel_connector->base; 2857 intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT; 2858 encoder->encoder_type = DRM_MODE_ENCODER_DAC; 2859 connector->connector_type = DRM_MODE_CONNECTOR_VGA; 2860 2861 if (device == 0) { 2862 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0; 2863 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0; 2864 } else if (device == 1) { 2865 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1; 2866 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1; 2867 } 2868 2869 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) { 2870 kfree(intel_sdvo_connector); 2871 return false; 2872 } 2873 2874 return true; 2875 } 2876 2877 static bool 2878 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device) 2879 { 2880 struct drm_encoder *encoder = &intel_sdvo->base.base; 2881 struct drm_connector *connector; 2882 struct intel_connector *intel_connector; 2883 struct intel_sdvo_connector *intel_sdvo_connector; 2884 struct drm_display_mode *mode; 2885 2886 DRM_DEBUG_KMS("initialising LVDS device %d\n", device); 2887 2888 intel_sdvo_connector = intel_sdvo_connector_alloc(); 2889 if (!intel_sdvo_connector) 2890 return false; 2891 2892 intel_connector = &intel_sdvo_connector->base; 2893 connector = &intel_connector->base; 2894 encoder->encoder_type = DRM_MODE_ENCODER_LVDS; 2895 connector->connector_type = DRM_MODE_CONNECTOR_LVDS; 2896 2897 if (device == 0) { 2898 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0; 2899 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0; 2900 } else if (device == 1) { 2901 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1; 2902 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1; 2903 } 2904 2905 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) { 2906 kfree(intel_sdvo_connector); 2907 return false; 2908 } 2909 2910 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector)) 2911 goto err; 2912 2913 intel_sdvo_get_lvds_modes(connector); 2914 2915 list_for_each_entry(mode, &connector->probed_modes, head) { 2916 if (mode->type & DRM_MODE_TYPE_PREFERRED) { 2917 struct drm_display_mode *fixed_mode = 2918 drm_mode_duplicate(connector->dev, mode); 2919 2920 intel_panel_init(&intel_connector->panel, 2921 fixed_mode, NULL); 2922 break; 2923 } 2924 } 2925 2926 if (!intel_connector->panel.fixed_mode) 2927 goto err; 2928 2929 return true; 2930 2931 err: 2932 intel_connector_destroy(connector); 2933 return false; 2934 } 2935 2936 static bool 2937 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, u16 flags) 2938 { 2939 /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/ 2940 2941 if (flags & SDVO_OUTPUT_TMDS0) 2942 if (!intel_sdvo_dvi_init(intel_sdvo, 0)) 2943 return false; 2944 2945 if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK) 2946 if (!intel_sdvo_dvi_init(intel_sdvo, 1)) 2947 return false; 2948 2949 /* TV has no XXX1 function block */ 2950 if (flags & SDVO_OUTPUT_SVID0) 2951 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0)) 2952 return false; 2953 2954 if (flags & SDVO_OUTPUT_CVBS0) 2955 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0)) 2956 return false; 2957 2958 if (flags & SDVO_OUTPUT_YPRPB0) 2959 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_YPRPB0)) 2960 return false; 2961 2962 if (flags & SDVO_OUTPUT_RGB0) 2963 if (!intel_sdvo_analog_init(intel_sdvo, 0)) 2964 return false; 2965 2966 if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK) 2967 if (!intel_sdvo_analog_init(intel_sdvo, 1)) 2968 return false; 2969 2970 if (flags & SDVO_OUTPUT_LVDS0) 2971 if (!intel_sdvo_lvds_init(intel_sdvo, 0)) 2972 return false; 2973 2974 if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK) 2975 if (!intel_sdvo_lvds_init(intel_sdvo, 1)) 2976 return false; 2977 2978 if ((flags & SDVO_OUTPUT_MASK) == 0) { 2979 unsigned char bytes[2]; 2980 2981 intel_sdvo->controlled_output = 0; 2982 memcpy(bytes, &intel_sdvo->caps.output_flags, 2); 2983 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n", 2984 SDVO_NAME(intel_sdvo), 2985 bytes[0], bytes[1]); 2986 return false; 2987 } 2988 intel_sdvo->base.pipe_mask = ~0; 2989 2990 return true; 2991 } 2992 2993 static void intel_sdvo_output_cleanup(struct intel_sdvo *intel_sdvo) 2994 { 2995 struct drm_device *dev = intel_sdvo->base.base.dev; 2996 struct drm_connector *connector, *tmp; 2997 2998 list_for_each_entry_safe(connector, tmp, 2999 &dev->mode_config.connector_list, head) { 3000 if (intel_attached_encoder(to_intel_connector(connector)) == &intel_sdvo->base) { 3001 drm_connector_unregister(connector); 3002 intel_connector_destroy(connector); 3003 } 3004 } 3005 } 3006 3007 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo, 3008 struct intel_sdvo_connector *intel_sdvo_connector, 3009 int type) 3010 { 3011 struct drm_device *dev = intel_sdvo->base.base.dev; 3012 struct intel_sdvo_tv_format format; 3013 u32 format_map, i; 3014 3015 if (!intel_sdvo_set_target_output(intel_sdvo, type)) 3016 return false; 3017 3018 BUILD_BUG_ON(sizeof(format) != 6); 3019 if (!intel_sdvo_get_value(intel_sdvo, 3020 SDVO_CMD_GET_SUPPORTED_TV_FORMATS, 3021 &format, sizeof(format))) 3022 return false; 3023 3024 memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format))); 3025 3026 if (format_map == 0) 3027 return false; 3028 3029 intel_sdvo_connector->format_supported_num = 0; 3030 for (i = 0 ; i < TV_FORMAT_NUM; i++) 3031 if (format_map & (1 << i)) 3032 intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i; 3033 3034 3035 intel_sdvo_connector->tv_format = 3036 drm_property_create(dev, DRM_MODE_PROP_ENUM, 3037 "mode", intel_sdvo_connector->format_supported_num); 3038 if (!intel_sdvo_connector->tv_format) 3039 return false; 3040 3041 for (i = 0; i < intel_sdvo_connector->format_supported_num; i++) 3042 drm_property_add_enum(intel_sdvo_connector->tv_format, i, 3043 tv_format_names[intel_sdvo_connector->tv_format_supported[i]]); 3044 3045 intel_sdvo_connector->base.base.state->tv.mode = intel_sdvo_connector->tv_format_supported[0]; 3046 drm_object_attach_property(&intel_sdvo_connector->base.base.base, 3047 intel_sdvo_connector->tv_format, 0); 3048 return true; 3049 3050 } 3051 3052 #define _ENHANCEMENT(state_assignment, name, NAME) do { \ 3053 if (enhancements.name) { \ 3054 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \ 3055 !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \ 3056 return false; \ 3057 intel_sdvo_connector->name = \ 3058 drm_property_create_range(dev, 0, #name, 0, data_value[0]); \ 3059 if (!intel_sdvo_connector->name) return false; \ 3060 state_assignment = response; \ 3061 drm_object_attach_property(&connector->base, \ 3062 intel_sdvo_connector->name, 0); \ 3063 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \ 3064 data_value[0], data_value[1], response); \ 3065 } \ 3066 } while (0) 3067 3068 #define ENHANCEMENT(state, name, NAME) _ENHANCEMENT((state)->name, name, NAME) 3069 3070 static bool 3071 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo, 3072 struct intel_sdvo_connector *intel_sdvo_connector, 3073 struct intel_sdvo_enhancements_reply enhancements) 3074 { 3075 struct drm_device *dev = intel_sdvo->base.base.dev; 3076 struct drm_connector *connector = &intel_sdvo_connector->base.base; 3077 struct drm_connector_state *conn_state = connector->state; 3078 struct intel_sdvo_connector_state *sdvo_state = 3079 to_intel_sdvo_connector_state(conn_state); 3080 u16 response, data_value[2]; 3081 3082 /* when horizontal overscan is supported, Add the left/right property */ 3083 if (enhancements.overscan_h) { 3084 if (!intel_sdvo_get_value(intel_sdvo, 3085 SDVO_CMD_GET_MAX_OVERSCAN_H, 3086 &data_value, 4)) 3087 return false; 3088 3089 if (!intel_sdvo_get_value(intel_sdvo, 3090 SDVO_CMD_GET_OVERSCAN_H, 3091 &response, 2)) 3092 return false; 3093 3094 sdvo_state->tv.overscan_h = response; 3095 3096 intel_sdvo_connector->max_hscan = data_value[0]; 3097 intel_sdvo_connector->left = 3098 drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]); 3099 if (!intel_sdvo_connector->left) 3100 return false; 3101 3102 drm_object_attach_property(&connector->base, 3103 intel_sdvo_connector->left, 0); 3104 3105 intel_sdvo_connector->right = 3106 drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]); 3107 if (!intel_sdvo_connector->right) 3108 return false; 3109 3110 drm_object_attach_property(&connector->base, 3111 intel_sdvo_connector->right, 0); 3112 DRM_DEBUG_KMS("h_overscan: max %d, " 3113 "default %d, current %d\n", 3114 data_value[0], data_value[1], response); 3115 } 3116 3117 if (enhancements.overscan_v) { 3118 if (!intel_sdvo_get_value(intel_sdvo, 3119 SDVO_CMD_GET_MAX_OVERSCAN_V, 3120 &data_value, 4)) 3121 return false; 3122 3123 if (!intel_sdvo_get_value(intel_sdvo, 3124 SDVO_CMD_GET_OVERSCAN_V, 3125 &response, 2)) 3126 return false; 3127 3128 sdvo_state->tv.overscan_v = response; 3129 3130 intel_sdvo_connector->max_vscan = data_value[0]; 3131 intel_sdvo_connector->top = 3132 drm_property_create_range(dev, 0, 3133 "top_margin", 0, data_value[0]); 3134 if (!intel_sdvo_connector->top) 3135 return false; 3136 3137 drm_object_attach_property(&connector->base, 3138 intel_sdvo_connector->top, 0); 3139 3140 intel_sdvo_connector->bottom = 3141 drm_property_create_range(dev, 0, 3142 "bottom_margin", 0, data_value[0]); 3143 if (!intel_sdvo_connector->bottom) 3144 return false; 3145 3146 drm_object_attach_property(&connector->base, 3147 intel_sdvo_connector->bottom, 0); 3148 DRM_DEBUG_KMS("v_overscan: max %d, " 3149 "default %d, current %d\n", 3150 data_value[0], data_value[1], response); 3151 } 3152 3153 ENHANCEMENT(&sdvo_state->tv, hpos, HPOS); 3154 ENHANCEMENT(&sdvo_state->tv, vpos, VPOS); 3155 ENHANCEMENT(&conn_state->tv, saturation, SATURATION); 3156 ENHANCEMENT(&conn_state->tv, contrast, CONTRAST); 3157 ENHANCEMENT(&conn_state->tv, hue, HUE); 3158 ENHANCEMENT(&conn_state->tv, brightness, BRIGHTNESS); 3159 ENHANCEMENT(&sdvo_state->tv, sharpness, SHARPNESS); 3160 ENHANCEMENT(&sdvo_state->tv, flicker_filter, FLICKER_FILTER); 3161 ENHANCEMENT(&sdvo_state->tv, flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE); 3162 ENHANCEMENT(&sdvo_state->tv, flicker_filter_2d, FLICKER_FILTER_2D); 3163 _ENHANCEMENT(sdvo_state->tv.chroma_filter, tv_chroma_filter, TV_CHROMA_FILTER); 3164 _ENHANCEMENT(sdvo_state->tv.luma_filter, tv_luma_filter, TV_LUMA_FILTER); 3165 3166 if (enhancements.dot_crawl) { 3167 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2)) 3168 return false; 3169 3170 sdvo_state->tv.dot_crawl = response & 0x1; 3171 intel_sdvo_connector->dot_crawl = 3172 drm_property_create_range(dev, 0, "dot_crawl", 0, 1); 3173 if (!intel_sdvo_connector->dot_crawl) 3174 return false; 3175 3176 drm_object_attach_property(&connector->base, 3177 intel_sdvo_connector->dot_crawl, 0); 3178 DRM_DEBUG_KMS("dot crawl: current %d\n", response); 3179 } 3180 3181 return true; 3182 } 3183 3184 static bool 3185 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo, 3186 struct intel_sdvo_connector *intel_sdvo_connector, 3187 struct intel_sdvo_enhancements_reply enhancements) 3188 { 3189 struct drm_device *dev = intel_sdvo->base.base.dev; 3190 struct drm_connector *connector = &intel_sdvo_connector->base.base; 3191 u16 response, data_value[2]; 3192 3193 ENHANCEMENT(&connector->state->tv, brightness, BRIGHTNESS); 3194 3195 return true; 3196 } 3197 #undef ENHANCEMENT 3198 #undef _ENHANCEMENT 3199 3200 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo, 3201 struct intel_sdvo_connector *intel_sdvo_connector) 3202 { 3203 union { 3204 struct intel_sdvo_enhancements_reply reply; 3205 u16 response; 3206 } enhancements; 3207 3208 BUILD_BUG_ON(sizeof(enhancements) != 2); 3209 3210 if (!intel_sdvo_get_value(intel_sdvo, 3211 SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS, 3212 &enhancements, sizeof(enhancements)) || 3213 enhancements.response == 0) { 3214 DRM_DEBUG_KMS("No enhancement is supported\n"); 3215 return true; 3216 } 3217 3218 if (IS_TV(intel_sdvo_connector)) 3219 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply); 3220 else if (IS_LVDS(intel_sdvo_connector)) 3221 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply); 3222 else 3223 return true; 3224 } 3225 3226 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter, 3227 struct i2c_msg *msgs, 3228 int num) 3229 { 3230 struct intel_sdvo *sdvo = adapter->algo_data; 3231 3232 if (!__intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus)) 3233 return -EIO; 3234 3235 return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num); 3236 } 3237 3238 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter) 3239 { 3240 struct intel_sdvo *sdvo = adapter->algo_data; 3241 return sdvo->i2c->algo->functionality(sdvo->i2c); 3242 } 3243 3244 static const struct i2c_algorithm intel_sdvo_ddc_proxy = { 3245 .master_xfer = intel_sdvo_ddc_proxy_xfer, 3246 .functionality = intel_sdvo_ddc_proxy_func 3247 }; 3248 3249 static void proxy_lock_bus(struct i2c_adapter *adapter, 3250 unsigned int flags) 3251 { 3252 struct intel_sdvo *sdvo = adapter->algo_data; 3253 sdvo->i2c->lock_ops->lock_bus(sdvo->i2c, flags); 3254 } 3255 3256 static int proxy_trylock_bus(struct i2c_adapter *adapter, 3257 unsigned int flags) 3258 { 3259 struct intel_sdvo *sdvo = adapter->algo_data; 3260 return sdvo->i2c->lock_ops->trylock_bus(sdvo->i2c, flags); 3261 } 3262 3263 static void proxy_unlock_bus(struct i2c_adapter *adapter, 3264 unsigned int flags) 3265 { 3266 struct intel_sdvo *sdvo = adapter->algo_data; 3267 sdvo->i2c->lock_ops->unlock_bus(sdvo->i2c, flags); 3268 } 3269 3270 static const struct i2c_lock_operations proxy_lock_ops = { 3271 .lock_bus = proxy_lock_bus, 3272 .trylock_bus = proxy_trylock_bus, 3273 .unlock_bus = proxy_unlock_bus, 3274 }; 3275 3276 static bool 3277 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo, 3278 struct drm_i915_private *dev_priv) 3279 { 3280 struct pci_dev *pdev = dev_priv->drm.pdev; 3281 3282 sdvo->ddc.owner = THIS_MODULE; 3283 sdvo->ddc.class = I2C_CLASS_DDC; 3284 snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy"); 3285 sdvo->ddc.dev.parent = &pdev->dev; 3286 sdvo->ddc.algo_data = sdvo; 3287 sdvo->ddc.algo = &intel_sdvo_ddc_proxy; 3288 sdvo->ddc.lock_ops = &proxy_lock_ops; 3289 3290 return i2c_add_adapter(&sdvo->ddc) == 0; 3291 } 3292 3293 static void assert_sdvo_port_valid(const struct drm_i915_private *dev_priv, 3294 enum port port) 3295 { 3296 if (HAS_PCH_SPLIT(dev_priv)) 3297 drm_WARN_ON(&dev_priv->drm, port != PORT_B); 3298 else 3299 drm_WARN_ON(&dev_priv->drm, port != PORT_B && port != PORT_C); 3300 } 3301 3302 bool intel_sdvo_init(struct drm_i915_private *dev_priv, 3303 i915_reg_t sdvo_reg, enum port port) 3304 { 3305 struct intel_encoder *intel_encoder; 3306 struct intel_sdvo *intel_sdvo; 3307 int i; 3308 3309 assert_sdvo_port_valid(dev_priv, port); 3310 3311 intel_sdvo = kzalloc(sizeof(*intel_sdvo), GFP_KERNEL); 3312 if (!intel_sdvo) 3313 return false; 3314 3315 intel_sdvo->sdvo_reg = sdvo_reg; 3316 intel_sdvo->port = port; 3317 intel_sdvo->slave_addr = 3318 intel_sdvo_get_slave_addr(dev_priv, intel_sdvo) >> 1; 3319 intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo); 3320 if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev_priv)) 3321 goto err_i2c_bus; 3322 3323 /* encoder type will be decided later */ 3324 intel_encoder = &intel_sdvo->base; 3325 intel_encoder->type = INTEL_OUTPUT_SDVO; 3326 intel_encoder->power_domain = POWER_DOMAIN_PORT_OTHER; 3327 intel_encoder->port = port; 3328 drm_encoder_init(&dev_priv->drm, &intel_encoder->base, 3329 &intel_sdvo_enc_funcs, 0, 3330 "SDVO %c", port_name(port)); 3331 3332 /* Read the regs to test if we can talk to the device */ 3333 for (i = 0; i < 0x40; i++) { 3334 u8 byte; 3335 3336 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) { 3337 drm_dbg_kms(&dev_priv->drm, 3338 "No SDVO device found on %s\n", 3339 SDVO_NAME(intel_sdvo)); 3340 goto err; 3341 } 3342 } 3343 3344 intel_encoder->compute_config = intel_sdvo_compute_config; 3345 if (HAS_PCH_SPLIT(dev_priv)) { 3346 intel_encoder->disable = pch_disable_sdvo; 3347 intel_encoder->post_disable = pch_post_disable_sdvo; 3348 } else { 3349 intel_encoder->disable = intel_disable_sdvo; 3350 } 3351 intel_encoder->pre_enable = intel_sdvo_pre_enable; 3352 intel_encoder->enable = intel_enable_sdvo; 3353 intel_encoder->get_hw_state = intel_sdvo_get_hw_state; 3354 intel_encoder->get_config = intel_sdvo_get_config; 3355 3356 /* In default case sdvo lvds is false */ 3357 if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps)) 3358 goto err; 3359 3360 intel_sdvo->colorimetry_cap = 3361 intel_sdvo_get_colorimetry_cap(intel_sdvo); 3362 3363 if (intel_sdvo_output_setup(intel_sdvo, 3364 intel_sdvo->caps.output_flags) != true) { 3365 drm_dbg_kms(&dev_priv->drm, 3366 "SDVO output failed to setup on %s\n", 3367 SDVO_NAME(intel_sdvo)); 3368 /* Output_setup can leave behind connectors! */ 3369 goto err_output; 3370 } 3371 3372 /* 3373 * Only enable the hotplug irq if we need it, to work around noisy 3374 * hotplug lines. 3375 */ 3376 if (intel_sdvo->hotplug_active) { 3377 if (intel_sdvo->port == PORT_B) 3378 intel_encoder->hpd_pin = HPD_SDVO_B; 3379 else 3380 intel_encoder->hpd_pin = HPD_SDVO_C; 3381 } 3382 3383 /* 3384 * Cloning SDVO with anything is often impossible, since the SDVO 3385 * encoder can request a special input timing mode. And even if that's 3386 * not the case we have evidence that cloning a plain unscaled mode with 3387 * VGA doesn't really work. Furthermore the cloning flags are way too 3388 * simplistic anyway to express such constraints, so just give up on 3389 * cloning for SDVO encoders. 3390 */ 3391 intel_sdvo->base.cloneable = 0; 3392 3393 intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo); 3394 3395 /* Set the input timing to the screen. Assume always input 0. */ 3396 if (!intel_sdvo_set_target_input(intel_sdvo)) 3397 goto err_output; 3398 3399 if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo, 3400 &intel_sdvo->pixel_clock_min, 3401 &intel_sdvo->pixel_clock_max)) 3402 goto err_output; 3403 3404 drm_dbg_kms(&dev_priv->drm, "%s device VID/DID: %02X:%02X.%02X, " 3405 "clock range %dMHz - %dMHz, " 3406 "input 1: %c, input 2: %c, " 3407 "output 1: %c, output 2: %c\n", 3408 SDVO_NAME(intel_sdvo), 3409 intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id, 3410 intel_sdvo->caps.device_rev_id, 3411 intel_sdvo->pixel_clock_min / 1000, 3412 intel_sdvo->pixel_clock_max / 1000, 3413 (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N', 3414 (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N', 3415 /* check currently supported outputs */ 3416 intel_sdvo->caps.output_flags & 3417 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N', 3418 intel_sdvo->caps.output_flags & 3419 (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N'); 3420 return true; 3421 3422 err_output: 3423 intel_sdvo_output_cleanup(intel_sdvo); 3424 3425 err: 3426 drm_encoder_cleanup(&intel_encoder->base); 3427 i2c_del_adapter(&intel_sdvo->ddc); 3428 err_i2c_bus: 3429 intel_sdvo_unselect_i2c_bus(intel_sdvo); 3430 kfree(intel_sdvo); 3431 3432 return false; 3433 } 3434