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/i2c.h> 31 #include <linux/kernel.h> 32 #include <linux/module.h> 33 #include <linux/slab.h> 34 35 #include <drm/drm_crtc.h> 36 #include <drm/drm_edid.h> 37 38 #include "psb_drv.h" 39 #include "psb_intel_drv.h" 40 #include "psb_intel_reg.h" 41 #include "psb_intel_sdvo_regs.h" 42 43 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1) 44 #define SDVO_RGB_MASK (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1) 45 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1) 46 #define SDVO_TV_MASK (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0) 47 48 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\ 49 SDVO_TV_MASK) 50 51 #define IS_TV(c) (c->output_flag & SDVO_TV_MASK) 52 #define IS_TMDS(c) (c->output_flag & SDVO_TMDS_MASK) 53 #define IS_LVDS(c) (c->output_flag & SDVO_LVDS_MASK) 54 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK)) 55 56 57 static const char *tv_format_names[] = { 58 "NTSC_M" , "NTSC_J" , "NTSC_443", 59 "PAL_B" , "PAL_D" , "PAL_G" , 60 "PAL_H" , "PAL_I" , "PAL_M" , 61 "PAL_N" , "PAL_NC" , "PAL_60" , 62 "SECAM_B" , "SECAM_D" , "SECAM_G" , 63 "SECAM_K" , "SECAM_K1", "SECAM_L" , 64 "SECAM_60" 65 }; 66 67 struct psb_intel_sdvo { 68 struct gma_encoder base; 69 70 struct i2c_adapter *i2c; 71 u8 slave_addr; 72 73 struct i2c_adapter ddc; 74 75 /* Register for the SDVO device: SDVOB or SDVOC */ 76 int sdvo_reg; 77 78 /* Active outputs controlled by this SDVO output */ 79 uint16_t controlled_output; 80 81 /* 82 * Capabilities of the SDVO device returned by 83 * i830_sdvo_get_capabilities() 84 */ 85 struct psb_intel_sdvo_caps caps; 86 87 /* Pixel clock limitations reported by the SDVO device, in kHz */ 88 int pixel_clock_min, pixel_clock_max; 89 90 /* 91 * For multiple function SDVO device, 92 * this is for current attached outputs. 93 */ 94 uint16_t attached_output; 95 96 /** 97 * This is used to select the color range of RBG outputs in HDMI mode. 98 * It is only valid when using TMDS encoding and 8 bit per color mode. 99 */ 100 uint32_t color_range; 101 102 /** 103 * This is set if we're going to treat the device as TV-out. 104 * 105 * While we have these nice friendly flags for output types that ought 106 * to decide this for us, the S-Video output on our HDMI+S-Video card 107 * shows up as RGB1 (VGA). 108 */ 109 bool is_tv; 110 111 /* This is for current tv format name */ 112 int tv_format_index; 113 114 /** 115 * This is set if we treat the device as HDMI, instead of DVI. 116 */ 117 bool is_hdmi; 118 bool has_hdmi_monitor; 119 bool has_hdmi_audio; 120 121 /** 122 * This is set if we detect output of sdvo device as LVDS and 123 * have a valid fixed mode to use with the panel. 124 */ 125 bool is_lvds; 126 127 /** 128 * This is sdvo fixed pannel mode pointer 129 */ 130 struct drm_display_mode *sdvo_lvds_fixed_mode; 131 132 /* DDC bus used by this SDVO encoder */ 133 uint8_t ddc_bus; 134 135 u8 pixel_multiplier; 136 137 /* Input timings for adjusted_mode */ 138 struct psb_intel_sdvo_dtd input_dtd; 139 140 /* Saved SDVO output states */ 141 uint32_t saveSDVO; /* Can be SDVOB or SDVOC depending on sdvo_reg */ 142 }; 143 144 struct psb_intel_sdvo_connector { 145 struct gma_connector base; 146 147 /* Mark the type of connector */ 148 uint16_t output_flag; 149 150 int force_audio; 151 152 /* This contains all current supported TV format */ 153 u8 tv_format_supported[ARRAY_SIZE(tv_format_names)]; 154 int format_supported_num; 155 struct drm_property *tv_format; 156 157 /* add the property for the SDVO-TV */ 158 struct drm_property *left; 159 struct drm_property *right; 160 struct drm_property *top; 161 struct drm_property *bottom; 162 struct drm_property *hpos; 163 struct drm_property *vpos; 164 struct drm_property *contrast; 165 struct drm_property *saturation; 166 struct drm_property *hue; 167 struct drm_property *sharpness; 168 struct drm_property *flicker_filter; 169 struct drm_property *flicker_filter_adaptive; 170 struct drm_property *flicker_filter_2d; 171 struct drm_property *tv_chroma_filter; 172 struct drm_property *tv_luma_filter; 173 struct drm_property *dot_crawl; 174 175 /* add the property for the SDVO-TV/LVDS */ 176 struct drm_property *brightness; 177 178 /* Add variable to record current setting for the above property */ 179 u32 left_margin, right_margin, top_margin, bottom_margin; 180 181 /* this is to get the range of margin.*/ 182 u32 max_hscan, max_vscan; 183 u32 max_hpos, cur_hpos; 184 u32 max_vpos, cur_vpos; 185 u32 cur_brightness, max_brightness; 186 u32 cur_contrast, max_contrast; 187 u32 cur_saturation, max_saturation; 188 u32 cur_hue, max_hue; 189 u32 cur_sharpness, max_sharpness; 190 u32 cur_flicker_filter, max_flicker_filter; 191 u32 cur_flicker_filter_adaptive, max_flicker_filter_adaptive; 192 u32 cur_flicker_filter_2d, max_flicker_filter_2d; 193 u32 cur_tv_chroma_filter, max_tv_chroma_filter; 194 u32 cur_tv_luma_filter, max_tv_luma_filter; 195 u32 cur_dot_crawl, max_dot_crawl; 196 }; 197 198 static struct psb_intel_sdvo *to_psb_intel_sdvo(struct drm_encoder *encoder) 199 { 200 return container_of(encoder, struct psb_intel_sdvo, base.base); 201 } 202 203 static struct psb_intel_sdvo *intel_attached_sdvo(struct drm_connector *connector) 204 { 205 return container_of(gma_attached_encoder(connector), 206 struct psb_intel_sdvo, base); 207 } 208 209 static struct psb_intel_sdvo_connector *to_psb_intel_sdvo_connector(struct drm_connector *connector) 210 { 211 return container_of(to_gma_connector(connector), struct psb_intel_sdvo_connector, base); 212 } 213 214 static bool 215 psb_intel_sdvo_output_setup(struct psb_intel_sdvo *psb_intel_sdvo, uint16_t flags); 216 static bool 217 psb_intel_sdvo_tv_create_property(struct psb_intel_sdvo *psb_intel_sdvo, 218 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector, 219 int type); 220 static bool 221 psb_intel_sdvo_create_enhance_property(struct psb_intel_sdvo *psb_intel_sdvo, 222 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector); 223 224 /** 225 * Writes the SDVOB or SDVOC with the given value, but always writes both 226 * SDVOB and SDVOC to work around apparent hardware issues (according to 227 * comments in the BIOS). 228 */ 229 static void psb_intel_sdvo_write_sdvox(struct psb_intel_sdvo *psb_intel_sdvo, u32 val) 230 { 231 struct drm_device *dev = psb_intel_sdvo->base.base.dev; 232 u32 bval = val, cval = val; 233 int i, j; 234 int need_aux = IS_MRST(dev) ? 1 : 0; 235 236 for (j = 0; j <= need_aux; j++) { 237 if (psb_intel_sdvo->sdvo_reg == SDVOB) 238 cval = REG_READ_WITH_AUX(SDVOC, j); 239 else 240 bval = REG_READ_WITH_AUX(SDVOB, j); 241 242 /* 243 * Write the registers twice for luck. Sometimes, 244 * writing them only once doesn't appear to 'stick'. 245 * The BIOS does this too. Yay, magic 246 */ 247 for (i = 0; i < 2; i++) { 248 REG_WRITE_WITH_AUX(SDVOB, bval, j); 249 REG_READ_WITH_AUX(SDVOB, j); 250 REG_WRITE_WITH_AUX(SDVOC, cval, j); 251 REG_READ_WITH_AUX(SDVOC, j); 252 } 253 } 254 } 255 256 static bool psb_intel_sdvo_read_byte(struct psb_intel_sdvo *psb_intel_sdvo, u8 addr, u8 *ch) 257 { 258 struct i2c_msg msgs[] = { 259 { 260 .addr = psb_intel_sdvo->slave_addr, 261 .flags = 0, 262 .len = 1, 263 .buf = &addr, 264 }, 265 { 266 .addr = psb_intel_sdvo->slave_addr, 267 .flags = I2C_M_RD, 268 .len = 1, 269 .buf = ch, 270 } 271 }; 272 int ret; 273 274 if ((ret = i2c_transfer(psb_intel_sdvo->i2c, msgs, 2)) == 2) 275 return true; 276 277 DRM_DEBUG_KMS("i2c transfer returned %d\n", ret); 278 return false; 279 } 280 281 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd} 282 /** Mapping of command numbers to names, for debug output */ 283 static const struct _sdvo_cmd_name { 284 u8 cmd; 285 const char *name; 286 } sdvo_cmd_names[] = { 287 SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET), 288 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS), 289 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV), 290 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS), 291 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS), 292 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS), 293 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP), 294 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP), 295 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS), 296 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT), 297 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG), 298 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG), 299 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE), 300 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT), 301 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT), 302 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1), 303 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2), 304 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1), 305 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2), 306 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1), 307 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1), 308 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2), 309 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1), 310 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2), 311 SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING), 312 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1), 313 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2), 314 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE), 315 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE), 316 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS), 317 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT), 318 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT), 319 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS), 320 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT), 321 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT), 322 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES), 323 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE), 324 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE), 325 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE), 326 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH), 327 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT), 328 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT), 329 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS), 330 331 /* Add the op code for SDVO enhancements */ 332 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS), 333 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS), 334 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS), 335 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS), 336 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS), 337 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS), 338 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION), 339 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION), 340 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION), 341 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE), 342 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE), 343 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE), 344 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST), 345 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST), 346 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST), 347 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS), 348 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS), 349 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS), 350 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H), 351 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H), 352 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H), 353 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V), 354 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V), 355 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V), 356 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER), 357 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER), 358 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER), 359 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE), 360 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE), 361 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE), 362 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D), 363 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D), 364 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D), 365 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS), 366 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS), 367 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS), 368 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL), 369 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL), 370 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER), 371 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER), 372 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER), 373 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER), 374 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER), 375 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER), 376 377 /* HDMI op code */ 378 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE), 379 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE), 380 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE), 381 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI), 382 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI), 383 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP), 384 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY), 385 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY), 386 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER), 387 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT), 388 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT), 389 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX), 390 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX), 391 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO), 392 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT), 393 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT), 394 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE), 395 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE), 396 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA), 397 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA), 398 }; 399 400 #define IS_SDVOB(reg) (reg == SDVOB) 401 #define SDVO_NAME(svdo) (IS_SDVOB((svdo)->sdvo_reg) ? "SDVOB" : "SDVOC") 402 403 static void psb_intel_sdvo_debug_write(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd, 404 const void *args, int args_len) 405 { 406 int i; 407 408 DRM_DEBUG_KMS("%s: W: %02X ", 409 SDVO_NAME(psb_intel_sdvo), cmd); 410 for (i = 0; i < args_len; i++) 411 DRM_DEBUG_KMS("%02X ", ((u8 *)args)[i]); 412 for (; i < 8; i++) 413 DRM_DEBUG_KMS(" "); 414 for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) { 415 if (cmd == sdvo_cmd_names[i].cmd) { 416 DRM_DEBUG_KMS("(%s)", sdvo_cmd_names[i].name); 417 break; 418 } 419 } 420 if (i == ARRAY_SIZE(sdvo_cmd_names)) 421 DRM_DEBUG_KMS("(%02X)", cmd); 422 DRM_DEBUG_KMS("\n"); 423 } 424 425 static const char *cmd_status_names[] = { 426 "Power on", 427 "Success", 428 "Not supported", 429 "Invalid arg", 430 "Pending", 431 "Target not specified", 432 "Scaling not supported" 433 }; 434 435 #define MAX_ARG_LEN 32 436 437 static bool psb_intel_sdvo_write_cmd(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd, 438 const void *args, int args_len) 439 { 440 u8 buf[MAX_ARG_LEN*2 + 2], status; 441 struct i2c_msg msgs[MAX_ARG_LEN + 3]; 442 int i, ret; 443 444 if (args_len > MAX_ARG_LEN) { 445 DRM_ERROR("Need to increase arg length\n"); 446 return false; 447 } 448 449 psb_intel_sdvo_debug_write(psb_intel_sdvo, cmd, args, args_len); 450 451 for (i = 0; i < args_len; i++) { 452 msgs[i].addr = psb_intel_sdvo->slave_addr; 453 msgs[i].flags = 0; 454 msgs[i].len = 2; 455 msgs[i].buf = buf + 2 *i; 456 buf[2*i + 0] = SDVO_I2C_ARG_0 - i; 457 buf[2*i + 1] = ((u8*)args)[i]; 458 } 459 msgs[i].addr = psb_intel_sdvo->slave_addr; 460 msgs[i].flags = 0; 461 msgs[i].len = 2; 462 msgs[i].buf = buf + 2*i; 463 buf[2*i + 0] = SDVO_I2C_OPCODE; 464 buf[2*i + 1] = cmd; 465 466 /* the following two are to read the response */ 467 status = SDVO_I2C_CMD_STATUS; 468 msgs[i+1].addr = psb_intel_sdvo->slave_addr; 469 msgs[i+1].flags = 0; 470 msgs[i+1].len = 1; 471 msgs[i+1].buf = &status; 472 473 msgs[i+2].addr = psb_intel_sdvo->slave_addr; 474 msgs[i+2].flags = I2C_M_RD; 475 msgs[i+2].len = 1; 476 msgs[i+2].buf = &status; 477 478 ret = i2c_transfer(psb_intel_sdvo->i2c, msgs, i+3); 479 if (ret < 0) { 480 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret); 481 return false; 482 } 483 if (ret != i+3) { 484 /* failure in I2C transfer */ 485 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3); 486 return false; 487 } 488 489 return true; 490 } 491 492 static bool psb_intel_sdvo_read_response(struct psb_intel_sdvo *psb_intel_sdvo, 493 void *response, int response_len) 494 { 495 u8 retry = 5; 496 u8 status; 497 int i; 498 499 DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(psb_intel_sdvo)); 500 501 /* 502 * The documentation states that all commands will be 503 * processed within 15µs, and that we need only poll 504 * the status byte a maximum of 3 times in order for the 505 * command to be complete. 506 * 507 * Check 5 times in case the hardware failed to read the docs. 508 */ 509 if (!psb_intel_sdvo_read_byte(psb_intel_sdvo, 510 SDVO_I2C_CMD_STATUS, 511 &status)) 512 goto log_fail; 513 514 while ((status == SDVO_CMD_STATUS_PENDING || 515 status == SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED) && retry--) { 516 udelay(15); 517 if (!psb_intel_sdvo_read_byte(psb_intel_sdvo, 518 SDVO_I2C_CMD_STATUS, 519 &status)) 520 goto log_fail; 521 } 522 523 if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP) 524 DRM_DEBUG_KMS("(%s)", cmd_status_names[status]); 525 else 526 DRM_DEBUG_KMS("(??? %d)", status); 527 528 if (status != SDVO_CMD_STATUS_SUCCESS) 529 goto log_fail; 530 531 /* Read the command response */ 532 for (i = 0; i < response_len; i++) { 533 if (!psb_intel_sdvo_read_byte(psb_intel_sdvo, 534 SDVO_I2C_RETURN_0 + i, 535 &((u8 *)response)[i])) 536 goto log_fail; 537 DRM_DEBUG_KMS(" %02X", ((u8 *)response)[i]); 538 } 539 DRM_DEBUG_KMS("\n"); 540 return true; 541 542 log_fail: 543 DRM_DEBUG_KMS("... failed\n"); 544 return false; 545 } 546 547 static int psb_intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode) 548 { 549 if (mode->clock >= 100000) 550 return 1; 551 else if (mode->clock >= 50000) 552 return 2; 553 else 554 return 4; 555 } 556 557 static bool psb_intel_sdvo_set_control_bus_switch(struct psb_intel_sdvo *psb_intel_sdvo, 558 u8 ddc_bus) 559 { 560 /* This must be the immediately preceding write before the i2c xfer */ 561 return psb_intel_sdvo_write_cmd(psb_intel_sdvo, 562 SDVO_CMD_SET_CONTROL_BUS_SWITCH, 563 &ddc_bus, 1); 564 } 565 566 static bool psb_intel_sdvo_set_value(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd, const void *data, int len) 567 { 568 if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo, cmd, data, len)) 569 return false; 570 571 return psb_intel_sdvo_read_response(psb_intel_sdvo, NULL, 0); 572 } 573 574 static bool 575 psb_intel_sdvo_get_value(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd, void *value, int len) 576 { 577 if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo, cmd, NULL, 0)) 578 return false; 579 580 return psb_intel_sdvo_read_response(psb_intel_sdvo, value, len); 581 } 582 583 static bool psb_intel_sdvo_set_target_input(struct psb_intel_sdvo *psb_intel_sdvo) 584 { 585 struct psb_intel_sdvo_set_target_input_args targets = {0}; 586 return psb_intel_sdvo_set_value(psb_intel_sdvo, 587 SDVO_CMD_SET_TARGET_INPUT, 588 &targets, sizeof(targets)); 589 } 590 591 /** 592 * Return whether each input is trained. 593 * 594 * This function is making an assumption about the layout of the response, 595 * which should be checked against the docs. 596 */ 597 static bool psb_intel_sdvo_get_trained_inputs(struct psb_intel_sdvo *psb_intel_sdvo, bool *input_1, bool *input_2) 598 { 599 struct psb_intel_sdvo_get_trained_inputs_response response; 600 601 BUILD_BUG_ON(sizeof(response) != 1); 602 if (!psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS, 603 &response, sizeof(response))) 604 return false; 605 606 *input_1 = response.input0_trained; 607 *input_2 = response.input1_trained; 608 return true; 609 } 610 611 static bool psb_intel_sdvo_set_active_outputs(struct psb_intel_sdvo *psb_intel_sdvo, 612 u16 outputs) 613 { 614 return psb_intel_sdvo_set_value(psb_intel_sdvo, 615 SDVO_CMD_SET_ACTIVE_OUTPUTS, 616 &outputs, sizeof(outputs)); 617 } 618 619 static bool psb_intel_sdvo_set_encoder_power_state(struct psb_intel_sdvo *psb_intel_sdvo, 620 int mode) 621 { 622 u8 state = SDVO_ENCODER_STATE_ON; 623 624 switch (mode) { 625 case DRM_MODE_DPMS_ON: 626 state = SDVO_ENCODER_STATE_ON; 627 break; 628 case DRM_MODE_DPMS_STANDBY: 629 state = SDVO_ENCODER_STATE_STANDBY; 630 break; 631 case DRM_MODE_DPMS_SUSPEND: 632 state = SDVO_ENCODER_STATE_SUSPEND; 633 break; 634 case DRM_MODE_DPMS_OFF: 635 state = SDVO_ENCODER_STATE_OFF; 636 break; 637 } 638 639 return psb_intel_sdvo_set_value(psb_intel_sdvo, 640 SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state)); 641 } 642 643 static bool psb_intel_sdvo_get_input_pixel_clock_range(struct psb_intel_sdvo *psb_intel_sdvo, 644 int *clock_min, 645 int *clock_max) 646 { 647 struct psb_intel_sdvo_pixel_clock_range clocks; 648 649 BUILD_BUG_ON(sizeof(clocks) != 4); 650 if (!psb_intel_sdvo_get_value(psb_intel_sdvo, 651 SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE, 652 &clocks, sizeof(clocks))) 653 return false; 654 655 /* Convert the values from units of 10 kHz to kHz. */ 656 *clock_min = clocks.min * 10; 657 *clock_max = clocks.max * 10; 658 return true; 659 } 660 661 static bool psb_intel_sdvo_set_target_output(struct psb_intel_sdvo *psb_intel_sdvo, 662 u16 outputs) 663 { 664 return psb_intel_sdvo_set_value(psb_intel_sdvo, 665 SDVO_CMD_SET_TARGET_OUTPUT, 666 &outputs, sizeof(outputs)); 667 } 668 669 static bool psb_intel_sdvo_set_timing(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd, 670 struct psb_intel_sdvo_dtd *dtd) 671 { 672 return psb_intel_sdvo_set_value(psb_intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) && 673 psb_intel_sdvo_set_value(psb_intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2)); 674 } 675 676 static bool psb_intel_sdvo_set_input_timing(struct psb_intel_sdvo *psb_intel_sdvo, 677 struct psb_intel_sdvo_dtd *dtd) 678 { 679 return psb_intel_sdvo_set_timing(psb_intel_sdvo, 680 SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd); 681 } 682 683 static bool psb_intel_sdvo_set_output_timing(struct psb_intel_sdvo *psb_intel_sdvo, 684 struct psb_intel_sdvo_dtd *dtd) 685 { 686 return psb_intel_sdvo_set_timing(psb_intel_sdvo, 687 SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd); 688 } 689 690 static bool 691 psb_intel_sdvo_create_preferred_input_timing(struct psb_intel_sdvo *psb_intel_sdvo, 692 uint16_t clock, 693 uint16_t width, 694 uint16_t height) 695 { 696 struct psb_intel_sdvo_preferred_input_timing_args args; 697 698 memset(&args, 0, sizeof(args)); 699 args.clock = clock; 700 args.width = width; 701 args.height = height; 702 args.interlace = 0; 703 704 if (psb_intel_sdvo->is_lvds && 705 (psb_intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width || 706 psb_intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height)) 707 args.scaled = 1; 708 709 return psb_intel_sdvo_set_value(psb_intel_sdvo, 710 SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING, 711 &args, sizeof(args)); 712 } 713 714 static bool psb_intel_sdvo_get_preferred_input_timing(struct psb_intel_sdvo *psb_intel_sdvo, 715 struct psb_intel_sdvo_dtd *dtd) 716 { 717 BUILD_BUG_ON(sizeof(dtd->part1) != 8); 718 BUILD_BUG_ON(sizeof(dtd->part2) != 8); 719 return psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1, 720 &dtd->part1, sizeof(dtd->part1)) && 721 psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2, 722 &dtd->part2, sizeof(dtd->part2)); 723 } 724 725 static bool psb_intel_sdvo_set_clock_rate_mult(struct psb_intel_sdvo *psb_intel_sdvo, u8 val) 726 { 727 return psb_intel_sdvo_set_value(psb_intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1); 728 } 729 730 static void psb_intel_sdvo_get_dtd_from_mode(struct psb_intel_sdvo_dtd *dtd, 731 const struct drm_display_mode *mode) 732 { 733 uint16_t width, height; 734 uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len; 735 uint16_t h_sync_offset, v_sync_offset; 736 737 width = mode->crtc_hdisplay; 738 height = mode->crtc_vdisplay; 739 740 /* do some mode translations */ 741 h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start; 742 h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start; 743 744 v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start; 745 v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start; 746 747 h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start; 748 v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start; 749 750 dtd->part1.clock = mode->clock / 10; 751 dtd->part1.h_active = width & 0xff; 752 dtd->part1.h_blank = h_blank_len & 0xff; 753 dtd->part1.h_high = (((width >> 8) & 0xf) << 4) | 754 ((h_blank_len >> 8) & 0xf); 755 dtd->part1.v_active = height & 0xff; 756 dtd->part1.v_blank = v_blank_len & 0xff; 757 dtd->part1.v_high = (((height >> 8) & 0xf) << 4) | 758 ((v_blank_len >> 8) & 0xf); 759 760 dtd->part2.h_sync_off = h_sync_offset & 0xff; 761 dtd->part2.h_sync_width = h_sync_len & 0xff; 762 dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 | 763 (v_sync_len & 0xf); 764 dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) | 765 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) | 766 ((v_sync_len & 0x30) >> 4); 767 768 dtd->part2.dtd_flags = 0x18; 769 if (mode->flags & DRM_MODE_FLAG_PHSYNC) 770 dtd->part2.dtd_flags |= 0x2; 771 if (mode->flags & DRM_MODE_FLAG_PVSYNC) 772 dtd->part2.dtd_flags |= 0x4; 773 774 dtd->part2.sdvo_flags = 0; 775 dtd->part2.v_sync_off_high = v_sync_offset & 0xc0; 776 dtd->part2.reserved = 0; 777 } 778 779 static void psb_intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode, 780 const struct psb_intel_sdvo_dtd *dtd) 781 { 782 mode->hdisplay = dtd->part1.h_active; 783 mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8; 784 mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off; 785 mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2; 786 mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width; 787 mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4; 788 mode->htotal = mode->hdisplay + dtd->part1.h_blank; 789 mode->htotal += (dtd->part1.h_high & 0xf) << 8; 790 791 mode->vdisplay = dtd->part1.v_active; 792 mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8; 793 mode->vsync_start = mode->vdisplay; 794 mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf; 795 mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2; 796 mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0; 797 mode->vsync_end = mode->vsync_start + 798 (dtd->part2.v_sync_off_width & 0xf); 799 mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4; 800 mode->vtotal = mode->vdisplay + dtd->part1.v_blank; 801 mode->vtotal += (dtd->part1.v_high & 0xf) << 8; 802 803 mode->clock = dtd->part1.clock * 10; 804 805 mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC); 806 if (dtd->part2.dtd_flags & 0x2) 807 mode->flags |= DRM_MODE_FLAG_PHSYNC; 808 if (dtd->part2.dtd_flags & 0x4) 809 mode->flags |= DRM_MODE_FLAG_PVSYNC; 810 } 811 812 static bool psb_intel_sdvo_check_supp_encode(struct psb_intel_sdvo *psb_intel_sdvo) 813 { 814 struct psb_intel_sdvo_encode encode; 815 816 BUILD_BUG_ON(sizeof(encode) != 2); 817 return psb_intel_sdvo_get_value(psb_intel_sdvo, 818 SDVO_CMD_GET_SUPP_ENCODE, 819 &encode, sizeof(encode)); 820 } 821 822 static bool psb_intel_sdvo_set_encode(struct psb_intel_sdvo *psb_intel_sdvo, 823 uint8_t mode) 824 { 825 return psb_intel_sdvo_set_value(psb_intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1); 826 } 827 828 static bool psb_intel_sdvo_set_colorimetry(struct psb_intel_sdvo *psb_intel_sdvo, 829 uint8_t mode) 830 { 831 return psb_intel_sdvo_set_value(psb_intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1); 832 } 833 834 #if 0 835 static void psb_intel_sdvo_dump_hdmi_buf(struct psb_intel_sdvo *psb_intel_sdvo) 836 { 837 int i, j; 838 uint8_t set_buf_index[2]; 839 uint8_t av_split; 840 uint8_t buf_size; 841 uint8_t buf[48]; 842 uint8_t *pos; 843 844 psb_intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1); 845 846 for (i = 0; i <= av_split; i++) { 847 set_buf_index[0] = i; set_buf_index[1] = 0; 848 psb_intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX, 849 set_buf_index, 2); 850 psb_intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0); 851 psb_intel_sdvo_read_response(encoder, &buf_size, 1); 852 853 pos = buf; 854 for (j = 0; j <= buf_size; j += 8) { 855 psb_intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA, 856 NULL, 0); 857 psb_intel_sdvo_read_response(encoder, pos, 8); 858 pos += 8; 859 } 860 } 861 } 862 #endif 863 864 static bool psb_intel_sdvo_set_avi_infoframe(struct psb_intel_sdvo *psb_intel_sdvo) 865 { 866 DRM_INFO("HDMI is not supported yet"); 867 868 return false; 869 } 870 871 static bool psb_intel_sdvo_set_tv_format(struct psb_intel_sdvo *psb_intel_sdvo) 872 { 873 struct psb_intel_sdvo_tv_format format; 874 uint32_t format_map; 875 876 format_map = 1 << psb_intel_sdvo->tv_format_index; 877 memset(&format, 0, sizeof(format)); 878 memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map))); 879 880 BUILD_BUG_ON(sizeof(format) != 6); 881 return psb_intel_sdvo_set_value(psb_intel_sdvo, 882 SDVO_CMD_SET_TV_FORMAT, 883 &format, sizeof(format)); 884 } 885 886 static bool 887 psb_intel_sdvo_set_output_timings_from_mode(struct psb_intel_sdvo *psb_intel_sdvo, 888 const struct drm_display_mode *mode) 889 { 890 struct psb_intel_sdvo_dtd output_dtd; 891 892 if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo, 893 psb_intel_sdvo->attached_output)) 894 return false; 895 896 psb_intel_sdvo_get_dtd_from_mode(&output_dtd, mode); 897 if (!psb_intel_sdvo_set_output_timing(psb_intel_sdvo, &output_dtd)) 898 return false; 899 900 return true; 901 } 902 903 static bool 904 psb_intel_sdvo_set_input_timings_for_mode(struct psb_intel_sdvo *psb_intel_sdvo, 905 const struct drm_display_mode *mode, 906 struct drm_display_mode *adjusted_mode) 907 { 908 /* Reset the input timing to the screen. Assume always input 0. */ 909 if (!psb_intel_sdvo_set_target_input(psb_intel_sdvo)) 910 return false; 911 912 if (!psb_intel_sdvo_create_preferred_input_timing(psb_intel_sdvo, 913 mode->clock / 10, 914 mode->hdisplay, 915 mode->vdisplay)) 916 return false; 917 918 if (!psb_intel_sdvo_get_preferred_input_timing(psb_intel_sdvo, 919 &psb_intel_sdvo->input_dtd)) 920 return false; 921 922 psb_intel_sdvo_get_mode_from_dtd(adjusted_mode, &psb_intel_sdvo->input_dtd); 923 924 drm_mode_set_crtcinfo(adjusted_mode, 0); 925 return true; 926 } 927 928 static bool psb_intel_sdvo_mode_fixup(struct drm_encoder *encoder, 929 const struct drm_display_mode *mode, 930 struct drm_display_mode *adjusted_mode) 931 { 932 struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder); 933 934 /* We need to construct preferred input timings based on our 935 * output timings. To do that, we have to set the output 936 * timings, even though this isn't really the right place in 937 * the sequence to do it. Oh well. 938 */ 939 if (psb_intel_sdvo->is_tv) { 940 if (!psb_intel_sdvo_set_output_timings_from_mode(psb_intel_sdvo, mode)) 941 return false; 942 943 (void) psb_intel_sdvo_set_input_timings_for_mode(psb_intel_sdvo, 944 mode, 945 adjusted_mode); 946 } else if (psb_intel_sdvo->is_lvds) { 947 if (!psb_intel_sdvo_set_output_timings_from_mode(psb_intel_sdvo, 948 psb_intel_sdvo->sdvo_lvds_fixed_mode)) 949 return false; 950 951 (void) psb_intel_sdvo_set_input_timings_for_mode(psb_intel_sdvo, 952 mode, 953 adjusted_mode); 954 } 955 956 /* Make the CRTC code factor in the SDVO pixel multiplier. The 957 * SDVO device will factor out the multiplier during mode_set. 958 */ 959 psb_intel_sdvo->pixel_multiplier = 960 psb_intel_sdvo_get_pixel_multiplier(adjusted_mode); 961 adjusted_mode->clock *= psb_intel_sdvo->pixel_multiplier; 962 963 return true; 964 } 965 966 static void psb_intel_sdvo_mode_set(struct drm_encoder *encoder, 967 struct drm_display_mode *mode, 968 struct drm_display_mode *adjusted_mode) 969 { 970 struct drm_device *dev = encoder->dev; 971 struct drm_crtc *crtc = encoder->crtc; 972 struct gma_crtc *gma_crtc = to_gma_crtc(crtc); 973 struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder); 974 u32 sdvox; 975 struct psb_intel_sdvo_in_out_map in_out; 976 struct psb_intel_sdvo_dtd input_dtd; 977 int rate; 978 int need_aux = IS_MRST(dev) ? 1 : 0; 979 980 if (!mode) 981 return; 982 983 /* First, set the input mapping for the first input to our controlled 984 * output. This is only correct if we're a single-input device, in 985 * which case the first input is the output from the appropriate SDVO 986 * channel on the motherboard. In a two-input device, the first input 987 * will be SDVOB and the second SDVOC. 988 */ 989 in_out.in0 = psb_intel_sdvo->attached_output; 990 in_out.in1 = 0; 991 992 psb_intel_sdvo_set_value(psb_intel_sdvo, 993 SDVO_CMD_SET_IN_OUT_MAP, 994 &in_out, sizeof(in_out)); 995 996 /* Set the output timings to the screen */ 997 if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo, 998 psb_intel_sdvo->attached_output)) 999 return; 1000 1001 /* We have tried to get input timing in mode_fixup, and filled into 1002 * adjusted_mode. 1003 */ 1004 if (psb_intel_sdvo->is_tv || psb_intel_sdvo->is_lvds) { 1005 input_dtd = psb_intel_sdvo->input_dtd; 1006 } else { 1007 /* Set the output timing to the screen */ 1008 if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo, 1009 psb_intel_sdvo->attached_output)) 1010 return; 1011 1012 psb_intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode); 1013 (void) psb_intel_sdvo_set_output_timing(psb_intel_sdvo, &input_dtd); 1014 } 1015 1016 /* Set the input timing to the screen. Assume always input 0. */ 1017 if (!psb_intel_sdvo_set_target_input(psb_intel_sdvo)) 1018 return; 1019 1020 if (psb_intel_sdvo->has_hdmi_monitor) { 1021 psb_intel_sdvo_set_encode(psb_intel_sdvo, SDVO_ENCODE_HDMI); 1022 psb_intel_sdvo_set_colorimetry(psb_intel_sdvo, 1023 SDVO_COLORIMETRY_RGB256); 1024 psb_intel_sdvo_set_avi_infoframe(psb_intel_sdvo); 1025 } else 1026 psb_intel_sdvo_set_encode(psb_intel_sdvo, SDVO_ENCODE_DVI); 1027 1028 if (psb_intel_sdvo->is_tv && 1029 !psb_intel_sdvo_set_tv_format(psb_intel_sdvo)) 1030 return; 1031 1032 (void) psb_intel_sdvo_set_input_timing(psb_intel_sdvo, &input_dtd); 1033 1034 switch (psb_intel_sdvo->pixel_multiplier) { 1035 default: 1036 case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break; 1037 case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break; 1038 case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break; 1039 } 1040 if (!psb_intel_sdvo_set_clock_rate_mult(psb_intel_sdvo, rate)) 1041 return; 1042 1043 /* Set the SDVO control regs. */ 1044 if (need_aux) 1045 sdvox = REG_READ_AUX(psb_intel_sdvo->sdvo_reg); 1046 else 1047 sdvox = REG_READ(psb_intel_sdvo->sdvo_reg); 1048 1049 switch (psb_intel_sdvo->sdvo_reg) { 1050 case SDVOB: 1051 sdvox &= SDVOB_PRESERVE_MASK; 1052 break; 1053 case SDVOC: 1054 sdvox &= SDVOC_PRESERVE_MASK; 1055 break; 1056 } 1057 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE; 1058 1059 if (gma_crtc->pipe == 1) 1060 sdvox |= SDVO_PIPE_B_SELECT; 1061 if (psb_intel_sdvo->has_hdmi_audio) 1062 sdvox |= SDVO_AUDIO_ENABLE; 1063 1064 /* FIXME: Check if this is needed for PSB 1065 sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT; 1066 */ 1067 1068 if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL) 1069 sdvox |= SDVO_STALL_SELECT; 1070 psb_intel_sdvo_write_sdvox(psb_intel_sdvo, sdvox); 1071 } 1072 1073 static void psb_intel_sdvo_dpms(struct drm_encoder *encoder, int mode) 1074 { 1075 struct drm_device *dev = encoder->dev; 1076 struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder); 1077 u32 temp; 1078 int i; 1079 int need_aux = IS_MRST(dev) ? 1 : 0; 1080 1081 switch (mode) { 1082 case DRM_MODE_DPMS_ON: 1083 DRM_DEBUG("DPMS_ON"); 1084 break; 1085 case DRM_MODE_DPMS_OFF: 1086 DRM_DEBUG("DPMS_OFF"); 1087 break; 1088 default: 1089 DRM_DEBUG("DPMS: %d", mode); 1090 } 1091 1092 if (mode != DRM_MODE_DPMS_ON) { 1093 psb_intel_sdvo_set_active_outputs(psb_intel_sdvo, 0); 1094 if (0) 1095 psb_intel_sdvo_set_encoder_power_state(psb_intel_sdvo, mode); 1096 1097 if (mode == DRM_MODE_DPMS_OFF) { 1098 if (need_aux) 1099 temp = REG_READ_AUX(psb_intel_sdvo->sdvo_reg); 1100 else 1101 temp = REG_READ(psb_intel_sdvo->sdvo_reg); 1102 1103 if ((temp & SDVO_ENABLE) != 0) { 1104 psb_intel_sdvo_write_sdvox(psb_intel_sdvo, temp & ~SDVO_ENABLE); 1105 } 1106 } 1107 } else { 1108 bool input1, input2; 1109 u8 status; 1110 1111 if (need_aux) 1112 temp = REG_READ_AUX(psb_intel_sdvo->sdvo_reg); 1113 else 1114 temp = REG_READ(psb_intel_sdvo->sdvo_reg); 1115 1116 if ((temp & SDVO_ENABLE) == 0) 1117 psb_intel_sdvo_write_sdvox(psb_intel_sdvo, temp | SDVO_ENABLE); 1118 1119 for (i = 0; i < 2; i++) 1120 gma_wait_for_vblank(dev); 1121 1122 status = psb_intel_sdvo_get_trained_inputs(psb_intel_sdvo, &input1, &input2); 1123 /* Warn if the device reported failure to sync. 1124 * A lot of SDVO devices fail to notify of sync, but it's 1125 * a given it the status is a success, we succeeded. 1126 */ 1127 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) { 1128 DRM_DEBUG_KMS("First %s output reported failure to " 1129 "sync\n", SDVO_NAME(psb_intel_sdvo)); 1130 } 1131 1132 if (0) 1133 psb_intel_sdvo_set_encoder_power_state(psb_intel_sdvo, mode); 1134 psb_intel_sdvo_set_active_outputs(psb_intel_sdvo, psb_intel_sdvo->attached_output); 1135 } 1136 return; 1137 } 1138 1139 static enum drm_mode_status psb_intel_sdvo_mode_valid(struct drm_connector *connector, 1140 struct drm_display_mode *mode) 1141 { 1142 struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector); 1143 1144 if (mode->flags & DRM_MODE_FLAG_DBLSCAN) 1145 return MODE_NO_DBLESCAN; 1146 1147 if (psb_intel_sdvo->pixel_clock_min > mode->clock) 1148 return MODE_CLOCK_LOW; 1149 1150 if (psb_intel_sdvo->pixel_clock_max < mode->clock) 1151 return MODE_CLOCK_HIGH; 1152 1153 if (psb_intel_sdvo->is_lvds) { 1154 if (mode->hdisplay > psb_intel_sdvo->sdvo_lvds_fixed_mode->hdisplay) 1155 return MODE_PANEL; 1156 1157 if (mode->vdisplay > psb_intel_sdvo->sdvo_lvds_fixed_mode->vdisplay) 1158 return MODE_PANEL; 1159 } 1160 1161 return MODE_OK; 1162 } 1163 1164 static bool psb_intel_sdvo_get_capabilities(struct psb_intel_sdvo *psb_intel_sdvo, struct psb_intel_sdvo_caps *caps) 1165 { 1166 BUILD_BUG_ON(sizeof(*caps) != 8); 1167 if (!psb_intel_sdvo_get_value(psb_intel_sdvo, 1168 SDVO_CMD_GET_DEVICE_CAPS, 1169 caps, sizeof(*caps))) 1170 return false; 1171 1172 DRM_DEBUG_KMS("SDVO capabilities:\n" 1173 " vendor_id: %d\n" 1174 " device_id: %d\n" 1175 " device_rev_id: %d\n" 1176 " sdvo_version_major: %d\n" 1177 " sdvo_version_minor: %d\n" 1178 " sdvo_inputs_mask: %d\n" 1179 " smooth_scaling: %d\n" 1180 " sharp_scaling: %d\n" 1181 " up_scaling: %d\n" 1182 " down_scaling: %d\n" 1183 " stall_support: %d\n" 1184 " output_flags: %d\n", 1185 caps->vendor_id, 1186 caps->device_id, 1187 caps->device_rev_id, 1188 caps->sdvo_version_major, 1189 caps->sdvo_version_minor, 1190 caps->sdvo_inputs_mask, 1191 caps->smooth_scaling, 1192 caps->sharp_scaling, 1193 caps->up_scaling, 1194 caps->down_scaling, 1195 caps->stall_support, 1196 caps->output_flags); 1197 1198 return true; 1199 } 1200 1201 static bool 1202 psb_intel_sdvo_multifunc_encoder(struct psb_intel_sdvo *psb_intel_sdvo) 1203 { 1204 /* Is there more than one type of output? */ 1205 int caps = psb_intel_sdvo->caps.output_flags & 0xf; 1206 return caps & -caps; 1207 } 1208 1209 static struct edid * 1210 psb_intel_sdvo_get_edid(struct drm_connector *connector) 1211 { 1212 struct psb_intel_sdvo *sdvo = intel_attached_sdvo(connector); 1213 return drm_get_edid(connector, &sdvo->ddc); 1214 } 1215 1216 /* Mac mini hack -- use the same DDC as the analog connector */ 1217 static struct edid * 1218 psb_intel_sdvo_get_analog_edid(struct drm_connector *connector) 1219 { 1220 struct drm_psb_private *dev_priv = connector->dev->dev_private; 1221 1222 return drm_get_edid(connector, 1223 &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter); 1224 } 1225 1226 static enum drm_connector_status 1227 psb_intel_sdvo_hdmi_sink_detect(struct drm_connector *connector) 1228 { 1229 struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector); 1230 enum drm_connector_status status; 1231 struct edid *edid; 1232 1233 edid = psb_intel_sdvo_get_edid(connector); 1234 1235 if (edid == NULL && psb_intel_sdvo_multifunc_encoder(psb_intel_sdvo)) { 1236 u8 ddc, saved_ddc = psb_intel_sdvo->ddc_bus; 1237 1238 /* 1239 * Don't use the 1 as the argument of DDC bus switch to get 1240 * the EDID. It is used for SDVO SPD ROM. 1241 */ 1242 for (ddc = psb_intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) { 1243 psb_intel_sdvo->ddc_bus = ddc; 1244 edid = psb_intel_sdvo_get_edid(connector); 1245 if (edid) 1246 break; 1247 } 1248 /* 1249 * If we found the EDID on the other bus, 1250 * assume that is the correct DDC bus. 1251 */ 1252 if (edid == NULL) 1253 psb_intel_sdvo->ddc_bus = saved_ddc; 1254 } 1255 1256 /* 1257 * When there is no edid and no monitor is connected with VGA 1258 * port, try to use the CRT ddc to read the EDID for DVI-connector. 1259 */ 1260 if (edid == NULL) 1261 edid = psb_intel_sdvo_get_analog_edid(connector); 1262 1263 status = connector_status_unknown; 1264 if (edid != NULL) { 1265 /* DDC bus is shared, match EDID to connector type */ 1266 if (edid->input & DRM_EDID_INPUT_DIGITAL) { 1267 status = connector_status_connected; 1268 if (psb_intel_sdvo->is_hdmi) { 1269 psb_intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid); 1270 psb_intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid); 1271 } 1272 } else 1273 status = connector_status_disconnected; 1274 kfree(edid); 1275 } 1276 1277 if (status == connector_status_connected) { 1278 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector); 1279 if (psb_intel_sdvo_connector->force_audio) 1280 psb_intel_sdvo->has_hdmi_audio = psb_intel_sdvo_connector->force_audio > 0; 1281 } 1282 1283 return status; 1284 } 1285 1286 static enum drm_connector_status 1287 psb_intel_sdvo_detect(struct drm_connector *connector, bool force) 1288 { 1289 uint16_t response; 1290 struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector); 1291 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector); 1292 enum drm_connector_status ret; 1293 1294 if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo, 1295 SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0)) 1296 return connector_status_unknown; 1297 1298 /* add 30ms delay when the output type might be TV */ 1299 if (psb_intel_sdvo->caps.output_flags & 1300 (SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_CVBS0)) 1301 mdelay(30); 1302 1303 if (!psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2)) 1304 return connector_status_unknown; 1305 1306 DRM_DEBUG_KMS("SDVO response %d %d [%x]\n", 1307 response & 0xff, response >> 8, 1308 psb_intel_sdvo_connector->output_flag); 1309 1310 if (response == 0) 1311 return connector_status_disconnected; 1312 1313 psb_intel_sdvo->attached_output = response; 1314 1315 psb_intel_sdvo->has_hdmi_monitor = false; 1316 psb_intel_sdvo->has_hdmi_audio = false; 1317 1318 if ((psb_intel_sdvo_connector->output_flag & response) == 0) 1319 ret = connector_status_disconnected; 1320 else if (IS_TMDS(psb_intel_sdvo_connector)) 1321 ret = psb_intel_sdvo_hdmi_sink_detect(connector); 1322 else { 1323 struct edid *edid; 1324 1325 /* if we have an edid check it matches the connection */ 1326 edid = psb_intel_sdvo_get_edid(connector); 1327 if (edid == NULL) 1328 edid = psb_intel_sdvo_get_analog_edid(connector); 1329 if (edid != NULL) { 1330 if (edid->input & DRM_EDID_INPUT_DIGITAL) 1331 ret = connector_status_disconnected; 1332 else 1333 ret = connector_status_connected; 1334 kfree(edid); 1335 } else 1336 ret = connector_status_connected; 1337 } 1338 1339 /* May update encoder flag for like clock for SDVO TV, etc.*/ 1340 if (ret == connector_status_connected) { 1341 psb_intel_sdvo->is_tv = false; 1342 psb_intel_sdvo->is_lvds = false; 1343 psb_intel_sdvo->base.needs_tv_clock = false; 1344 1345 if (response & SDVO_TV_MASK) { 1346 psb_intel_sdvo->is_tv = true; 1347 psb_intel_sdvo->base.needs_tv_clock = true; 1348 } 1349 if (response & SDVO_LVDS_MASK) 1350 psb_intel_sdvo->is_lvds = psb_intel_sdvo->sdvo_lvds_fixed_mode != NULL; 1351 } 1352 1353 return ret; 1354 } 1355 1356 static void psb_intel_sdvo_get_ddc_modes(struct drm_connector *connector) 1357 { 1358 struct edid *edid; 1359 1360 /* set the bus switch and get the modes */ 1361 edid = psb_intel_sdvo_get_edid(connector); 1362 1363 /* 1364 * Mac mini hack. On this device, the DVI-I connector shares one DDC 1365 * link between analog and digital outputs. So, if the regular SDVO 1366 * DDC fails, check to see if the analog output is disconnected, in 1367 * which case we'll look there for the digital DDC data. 1368 */ 1369 if (edid == NULL) 1370 edid = psb_intel_sdvo_get_analog_edid(connector); 1371 1372 if (edid != NULL) { 1373 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector); 1374 bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL); 1375 bool connector_is_digital = !!IS_TMDS(psb_intel_sdvo_connector); 1376 1377 if (connector_is_digital == monitor_is_digital) { 1378 drm_connector_update_edid_property(connector, edid); 1379 drm_add_edid_modes(connector, edid); 1380 } 1381 1382 kfree(edid); 1383 } 1384 } 1385 1386 /* 1387 * Set of SDVO TV modes. 1388 * Note! This is in reply order (see loop in get_tv_modes). 1389 * XXX: all 60Hz refresh? 1390 */ 1391 static const struct drm_display_mode sdvo_tv_modes[] = { 1392 { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384, 1393 416, 0, 200, 201, 232, 233, 0, 1394 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1395 { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384, 1396 416, 0, 240, 241, 272, 273, 0, 1397 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1398 { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464, 1399 496, 0, 300, 301, 332, 333, 0, 1400 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1401 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704, 1402 736, 0, 350, 351, 382, 383, 0, 1403 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1404 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704, 1405 736, 0, 400, 401, 432, 433, 0, 1406 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1407 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704, 1408 736, 0, 480, 481, 512, 513, 0, 1409 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1410 { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768, 1411 800, 0, 480, 481, 512, 513, 0, 1412 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1413 { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768, 1414 800, 0, 576, 577, 608, 609, 0, 1415 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1416 { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784, 1417 816, 0, 350, 351, 382, 383, 0, 1418 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1419 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784, 1420 816, 0, 400, 401, 432, 433, 0, 1421 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1422 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784, 1423 816, 0, 480, 481, 512, 513, 0, 1424 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1425 { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784, 1426 816, 0, 540, 541, 572, 573, 0, 1427 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1428 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784, 1429 816, 0, 576, 577, 608, 609, 0, 1430 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1431 { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832, 1432 864, 0, 576, 577, 608, 609, 0, 1433 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1434 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864, 1435 896, 0, 600, 601, 632, 633, 0, 1436 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1437 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896, 1438 928, 0, 624, 625, 656, 657, 0, 1439 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1440 { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984, 1441 1016, 0, 766, 767, 798, 799, 0, 1442 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1443 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088, 1444 1120, 0, 768, 769, 800, 801, 0, 1445 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1446 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344, 1447 1376, 0, 1024, 1025, 1056, 1057, 0, 1448 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1449 }; 1450 1451 static void psb_intel_sdvo_get_tv_modes(struct drm_connector *connector) 1452 { 1453 struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector); 1454 struct psb_intel_sdvo_sdtv_resolution_request tv_res; 1455 uint32_t reply = 0, format_map = 0; 1456 int i; 1457 1458 /* Read the list of supported input resolutions for the selected TV 1459 * format. 1460 */ 1461 format_map = 1 << psb_intel_sdvo->tv_format_index; 1462 memcpy(&tv_res, &format_map, 1463 min(sizeof(format_map), sizeof(struct psb_intel_sdvo_sdtv_resolution_request))); 1464 1465 if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo, psb_intel_sdvo->attached_output)) 1466 return; 1467 1468 BUILD_BUG_ON(sizeof(tv_res) != 3); 1469 if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo, 1470 SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT, 1471 &tv_res, sizeof(tv_res))) 1472 return; 1473 if (!psb_intel_sdvo_read_response(psb_intel_sdvo, &reply, 3)) 1474 return; 1475 1476 for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++) 1477 if (reply & (1 << i)) { 1478 struct drm_display_mode *nmode; 1479 nmode = drm_mode_duplicate(connector->dev, 1480 &sdvo_tv_modes[i]); 1481 if (nmode) 1482 drm_mode_probed_add(connector, nmode); 1483 } 1484 } 1485 1486 static void psb_intel_sdvo_get_lvds_modes(struct drm_connector *connector) 1487 { 1488 struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector); 1489 struct drm_psb_private *dev_priv = connector->dev->dev_private; 1490 struct drm_display_mode *newmode; 1491 1492 /* 1493 * Attempt to get the mode list from DDC. 1494 * Assume that the preferred modes are 1495 * arranged in priority order. 1496 */ 1497 psb_intel_ddc_get_modes(connector, psb_intel_sdvo->i2c); 1498 if (list_empty(&connector->probed_modes) == false) 1499 goto end; 1500 1501 /* Fetch modes from VBT */ 1502 if (dev_priv->sdvo_lvds_vbt_mode != NULL) { 1503 newmode = drm_mode_duplicate(connector->dev, 1504 dev_priv->sdvo_lvds_vbt_mode); 1505 if (newmode != NULL) { 1506 /* Guarantee the mode is preferred */ 1507 newmode->type = (DRM_MODE_TYPE_PREFERRED | 1508 DRM_MODE_TYPE_DRIVER); 1509 drm_mode_probed_add(connector, newmode); 1510 } 1511 } 1512 1513 end: 1514 list_for_each_entry(newmode, &connector->probed_modes, head) { 1515 if (newmode->type & DRM_MODE_TYPE_PREFERRED) { 1516 psb_intel_sdvo->sdvo_lvds_fixed_mode = 1517 drm_mode_duplicate(connector->dev, newmode); 1518 1519 drm_mode_set_crtcinfo(psb_intel_sdvo->sdvo_lvds_fixed_mode, 1520 0); 1521 1522 psb_intel_sdvo->is_lvds = true; 1523 break; 1524 } 1525 } 1526 1527 } 1528 1529 static int psb_intel_sdvo_get_modes(struct drm_connector *connector) 1530 { 1531 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector); 1532 1533 if (IS_TV(psb_intel_sdvo_connector)) 1534 psb_intel_sdvo_get_tv_modes(connector); 1535 else if (IS_LVDS(psb_intel_sdvo_connector)) 1536 psb_intel_sdvo_get_lvds_modes(connector); 1537 else 1538 psb_intel_sdvo_get_ddc_modes(connector); 1539 1540 return !list_empty(&connector->probed_modes); 1541 } 1542 1543 static void psb_intel_sdvo_destroy(struct drm_connector *connector) 1544 { 1545 drm_connector_unregister(connector); 1546 drm_connector_cleanup(connector); 1547 kfree(connector); 1548 } 1549 1550 static bool psb_intel_sdvo_detect_hdmi_audio(struct drm_connector *connector) 1551 { 1552 struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector); 1553 struct edid *edid; 1554 bool has_audio = false; 1555 1556 if (!psb_intel_sdvo->is_hdmi) 1557 return false; 1558 1559 edid = psb_intel_sdvo_get_edid(connector); 1560 if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL) 1561 has_audio = drm_detect_monitor_audio(edid); 1562 1563 return has_audio; 1564 } 1565 1566 static int 1567 psb_intel_sdvo_set_property(struct drm_connector *connector, 1568 struct drm_property *property, 1569 uint64_t val) 1570 { 1571 struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector); 1572 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector); 1573 struct drm_psb_private *dev_priv = connector->dev->dev_private; 1574 uint16_t temp_value; 1575 uint8_t cmd; 1576 int ret; 1577 1578 ret = drm_object_property_set_value(&connector->base, property, val); 1579 if (ret) 1580 return ret; 1581 1582 if (property == dev_priv->force_audio_property) { 1583 int i = val; 1584 bool has_audio; 1585 1586 if (i == psb_intel_sdvo_connector->force_audio) 1587 return 0; 1588 1589 psb_intel_sdvo_connector->force_audio = i; 1590 1591 if (i == 0) 1592 has_audio = psb_intel_sdvo_detect_hdmi_audio(connector); 1593 else 1594 has_audio = i > 0; 1595 1596 if (has_audio == psb_intel_sdvo->has_hdmi_audio) 1597 return 0; 1598 1599 psb_intel_sdvo->has_hdmi_audio = has_audio; 1600 goto done; 1601 } 1602 1603 if (property == dev_priv->broadcast_rgb_property) { 1604 if (val == !!psb_intel_sdvo->color_range) 1605 return 0; 1606 1607 psb_intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0; 1608 goto done; 1609 } 1610 1611 #define CHECK_PROPERTY(name, NAME) \ 1612 if (psb_intel_sdvo_connector->name == property) { \ 1613 if (psb_intel_sdvo_connector->cur_##name == temp_value) return 0; \ 1614 if (psb_intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \ 1615 cmd = SDVO_CMD_SET_##NAME; \ 1616 psb_intel_sdvo_connector->cur_##name = temp_value; \ 1617 goto set_value; \ 1618 } 1619 1620 if (property == psb_intel_sdvo_connector->tv_format) { 1621 if (val >= ARRAY_SIZE(tv_format_names)) 1622 return -EINVAL; 1623 1624 if (psb_intel_sdvo->tv_format_index == 1625 psb_intel_sdvo_connector->tv_format_supported[val]) 1626 return 0; 1627 1628 psb_intel_sdvo->tv_format_index = psb_intel_sdvo_connector->tv_format_supported[val]; 1629 goto done; 1630 } else if (IS_TV_OR_LVDS(psb_intel_sdvo_connector)) { 1631 temp_value = val; 1632 if (psb_intel_sdvo_connector->left == property) { 1633 drm_object_property_set_value(&connector->base, 1634 psb_intel_sdvo_connector->right, val); 1635 if (psb_intel_sdvo_connector->left_margin == temp_value) 1636 return 0; 1637 1638 psb_intel_sdvo_connector->left_margin = temp_value; 1639 psb_intel_sdvo_connector->right_margin = temp_value; 1640 temp_value = psb_intel_sdvo_connector->max_hscan - 1641 psb_intel_sdvo_connector->left_margin; 1642 cmd = SDVO_CMD_SET_OVERSCAN_H; 1643 goto set_value; 1644 } else if (psb_intel_sdvo_connector->right == property) { 1645 drm_object_property_set_value(&connector->base, 1646 psb_intel_sdvo_connector->left, val); 1647 if (psb_intel_sdvo_connector->right_margin == temp_value) 1648 return 0; 1649 1650 psb_intel_sdvo_connector->left_margin = temp_value; 1651 psb_intel_sdvo_connector->right_margin = temp_value; 1652 temp_value = psb_intel_sdvo_connector->max_hscan - 1653 psb_intel_sdvo_connector->left_margin; 1654 cmd = SDVO_CMD_SET_OVERSCAN_H; 1655 goto set_value; 1656 } else if (psb_intel_sdvo_connector->top == property) { 1657 drm_object_property_set_value(&connector->base, 1658 psb_intel_sdvo_connector->bottom, val); 1659 if (psb_intel_sdvo_connector->top_margin == temp_value) 1660 return 0; 1661 1662 psb_intel_sdvo_connector->top_margin = temp_value; 1663 psb_intel_sdvo_connector->bottom_margin = temp_value; 1664 temp_value = psb_intel_sdvo_connector->max_vscan - 1665 psb_intel_sdvo_connector->top_margin; 1666 cmd = SDVO_CMD_SET_OVERSCAN_V; 1667 goto set_value; 1668 } else if (psb_intel_sdvo_connector->bottom == property) { 1669 drm_object_property_set_value(&connector->base, 1670 psb_intel_sdvo_connector->top, val); 1671 if (psb_intel_sdvo_connector->bottom_margin == temp_value) 1672 return 0; 1673 1674 psb_intel_sdvo_connector->top_margin = temp_value; 1675 psb_intel_sdvo_connector->bottom_margin = temp_value; 1676 temp_value = psb_intel_sdvo_connector->max_vscan - 1677 psb_intel_sdvo_connector->top_margin; 1678 cmd = SDVO_CMD_SET_OVERSCAN_V; 1679 goto set_value; 1680 } 1681 CHECK_PROPERTY(hpos, HPOS) 1682 CHECK_PROPERTY(vpos, VPOS) 1683 CHECK_PROPERTY(saturation, SATURATION) 1684 CHECK_PROPERTY(contrast, CONTRAST) 1685 CHECK_PROPERTY(hue, HUE) 1686 CHECK_PROPERTY(brightness, BRIGHTNESS) 1687 CHECK_PROPERTY(sharpness, SHARPNESS) 1688 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER) 1689 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D) 1690 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE) 1691 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER) 1692 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER) 1693 CHECK_PROPERTY(dot_crawl, DOT_CRAWL) 1694 } 1695 1696 return -EINVAL; /* unknown property */ 1697 1698 set_value: 1699 if (!psb_intel_sdvo_set_value(psb_intel_sdvo, cmd, &temp_value, 2)) 1700 return -EIO; 1701 1702 1703 done: 1704 if (psb_intel_sdvo->base.base.crtc) { 1705 struct drm_crtc *crtc = psb_intel_sdvo->base.base.crtc; 1706 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x, 1707 crtc->y, crtc->primary->fb); 1708 } 1709 1710 return 0; 1711 #undef CHECK_PROPERTY 1712 } 1713 1714 static void psb_intel_sdvo_save(struct drm_connector *connector) 1715 { 1716 struct drm_device *dev = connector->dev; 1717 struct gma_encoder *gma_encoder = gma_attached_encoder(connector); 1718 struct psb_intel_sdvo *sdvo = to_psb_intel_sdvo(&gma_encoder->base); 1719 1720 sdvo->saveSDVO = REG_READ(sdvo->sdvo_reg); 1721 } 1722 1723 static void psb_intel_sdvo_restore(struct drm_connector *connector) 1724 { 1725 struct drm_device *dev = connector->dev; 1726 struct drm_encoder *encoder = &gma_attached_encoder(connector)->base; 1727 struct psb_intel_sdvo *sdvo = to_psb_intel_sdvo(encoder); 1728 struct drm_crtc *crtc = encoder->crtc; 1729 1730 REG_WRITE(sdvo->sdvo_reg, sdvo->saveSDVO); 1731 1732 /* Force a full mode set on the crtc. We're supposed to have the 1733 mode_config lock already. */ 1734 if (connector->status == connector_status_connected) 1735 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x, crtc->y, 1736 NULL); 1737 } 1738 1739 static const struct drm_encoder_helper_funcs psb_intel_sdvo_helper_funcs = { 1740 .dpms = psb_intel_sdvo_dpms, 1741 .mode_fixup = psb_intel_sdvo_mode_fixup, 1742 .prepare = gma_encoder_prepare, 1743 .mode_set = psb_intel_sdvo_mode_set, 1744 .commit = gma_encoder_commit, 1745 }; 1746 1747 static const struct drm_connector_funcs psb_intel_sdvo_connector_funcs = { 1748 .dpms = drm_helper_connector_dpms, 1749 .detect = psb_intel_sdvo_detect, 1750 .fill_modes = drm_helper_probe_single_connector_modes, 1751 .set_property = psb_intel_sdvo_set_property, 1752 .destroy = psb_intel_sdvo_destroy, 1753 }; 1754 1755 static const struct drm_connector_helper_funcs psb_intel_sdvo_connector_helper_funcs = { 1756 .get_modes = psb_intel_sdvo_get_modes, 1757 .mode_valid = psb_intel_sdvo_mode_valid, 1758 .best_encoder = gma_best_encoder, 1759 }; 1760 1761 static void psb_intel_sdvo_enc_destroy(struct drm_encoder *encoder) 1762 { 1763 struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder); 1764 1765 if (psb_intel_sdvo->sdvo_lvds_fixed_mode != NULL) 1766 drm_mode_destroy(encoder->dev, 1767 psb_intel_sdvo->sdvo_lvds_fixed_mode); 1768 1769 i2c_del_adapter(&psb_intel_sdvo->ddc); 1770 gma_encoder_destroy(encoder); 1771 } 1772 1773 static const struct drm_encoder_funcs psb_intel_sdvo_enc_funcs = { 1774 .destroy = psb_intel_sdvo_enc_destroy, 1775 }; 1776 1777 static void 1778 psb_intel_sdvo_guess_ddc_bus(struct psb_intel_sdvo *sdvo) 1779 { 1780 /* FIXME: At the moment, ddc_bus = 2 is the only thing that works. 1781 * We need to figure out if this is true for all available poulsbo 1782 * hardware, or if we need to fiddle with the guessing code above. 1783 * The problem might go away if we can parse sdvo mappings from bios */ 1784 sdvo->ddc_bus = 2; 1785 1786 #if 0 1787 uint16_t mask = 0; 1788 unsigned int num_bits; 1789 1790 /* Make a mask of outputs less than or equal to our own priority in the 1791 * list. 1792 */ 1793 switch (sdvo->controlled_output) { 1794 case SDVO_OUTPUT_LVDS1: 1795 mask |= SDVO_OUTPUT_LVDS1; 1796 case SDVO_OUTPUT_LVDS0: 1797 mask |= SDVO_OUTPUT_LVDS0; 1798 case SDVO_OUTPUT_TMDS1: 1799 mask |= SDVO_OUTPUT_TMDS1; 1800 case SDVO_OUTPUT_TMDS0: 1801 mask |= SDVO_OUTPUT_TMDS0; 1802 case SDVO_OUTPUT_RGB1: 1803 mask |= SDVO_OUTPUT_RGB1; 1804 case SDVO_OUTPUT_RGB0: 1805 mask |= SDVO_OUTPUT_RGB0; 1806 break; 1807 } 1808 1809 /* Count bits to find what number we are in the priority list. */ 1810 mask &= sdvo->caps.output_flags; 1811 num_bits = hweight16(mask); 1812 /* If more than 3 outputs, default to DDC bus 3 for now. */ 1813 if (num_bits > 3) 1814 num_bits = 3; 1815 1816 /* Corresponds to SDVO_CONTROL_BUS_DDCx */ 1817 sdvo->ddc_bus = 1 << num_bits; 1818 #endif 1819 } 1820 1821 /** 1822 * Choose the appropriate DDC bus for control bus switch command for this 1823 * SDVO output based on the controlled output. 1824 * 1825 * DDC bus number assignment is in a priority order of RGB outputs, then TMDS 1826 * outputs, then LVDS outputs. 1827 */ 1828 static void 1829 psb_intel_sdvo_select_ddc_bus(struct drm_psb_private *dev_priv, 1830 struct psb_intel_sdvo *sdvo, u32 reg) 1831 { 1832 struct sdvo_device_mapping *mapping; 1833 1834 if (IS_SDVOB(reg)) 1835 mapping = &(dev_priv->sdvo_mappings[0]); 1836 else 1837 mapping = &(dev_priv->sdvo_mappings[1]); 1838 1839 if (mapping->initialized) 1840 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4); 1841 else 1842 psb_intel_sdvo_guess_ddc_bus(sdvo); 1843 } 1844 1845 static void 1846 psb_intel_sdvo_select_i2c_bus(struct drm_psb_private *dev_priv, 1847 struct psb_intel_sdvo *sdvo, u32 reg) 1848 { 1849 struct sdvo_device_mapping *mapping; 1850 u8 pin, speed; 1851 1852 if (IS_SDVOB(reg)) 1853 mapping = &dev_priv->sdvo_mappings[0]; 1854 else 1855 mapping = &dev_priv->sdvo_mappings[1]; 1856 1857 pin = GMBUS_PORT_DPB; 1858 speed = GMBUS_RATE_1MHZ >> 8; 1859 if (mapping->initialized) { 1860 pin = mapping->i2c_pin; 1861 speed = mapping->i2c_speed; 1862 } 1863 1864 if (pin < GMBUS_NUM_PORTS) { 1865 sdvo->i2c = &dev_priv->gmbus[pin].adapter; 1866 gma_intel_gmbus_set_speed(sdvo->i2c, speed); 1867 gma_intel_gmbus_force_bit(sdvo->i2c, true); 1868 } else 1869 sdvo->i2c = &dev_priv->gmbus[GMBUS_PORT_DPB].adapter; 1870 } 1871 1872 static bool 1873 psb_intel_sdvo_is_hdmi_connector(struct psb_intel_sdvo *psb_intel_sdvo, int device) 1874 { 1875 return psb_intel_sdvo_check_supp_encode(psb_intel_sdvo); 1876 } 1877 1878 static u8 1879 psb_intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg) 1880 { 1881 struct drm_psb_private *dev_priv = dev->dev_private; 1882 struct sdvo_device_mapping *my_mapping, *other_mapping; 1883 1884 if (IS_SDVOB(sdvo_reg)) { 1885 my_mapping = &dev_priv->sdvo_mappings[0]; 1886 other_mapping = &dev_priv->sdvo_mappings[1]; 1887 } else { 1888 my_mapping = &dev_priv->sdvo_mappings[1]; 1889 other_mapping = &dev_priv->sdvo_mappings[0]; 1890 } 1891 1892 /* If the BIOS described our SDVO device, take advantage of it. */ 1893 if (my_mapping->slave_addr) 1894 return my_mapping->slave_addr; 1895 1896 /* If the BIOS only described a different SDVO device, use the 1897 * address that it isn't using. 1898 */ 1899 if (other_mapping->slave_addr) { 1900 if (other_mapping->slave_addr == 0x70) 1901 return 0x72; 1902 else 1903 return 0x70; 1904 } 1905 1906 /* No SDVO device info is found for another DVO port, 1907 * so use mapping assumption we had before BIOS parsing. 1908 */ 1909 if (IS_SDVOB(sdvo_reg)) 1910 return 0x70; 1911 else 1912 return 0x72; 1913 } 1914 1915 static void 1916 psb_intel_sdvo_connector_init(struct psb_intel_sdvo_connector *connector, 1917 struct psb_intel_sdvo *encoder) 1918 { 1919 drm_connector_init(encoder->base.base.dev, 1920 &connector->base.base, 1921 &psb_intel_sdvo_connector_funcs, 1922 connector->base.base.connector_type); 1923 1924 drm_connector_helper_add(&connector->base.base, 1925 &psb_intel_sdvo_connector_helper_funcs); 1926 1927 connector->base.base.interlace_allowed = 0; 1928 connector->base.base.doublescan_allowed = 0; 1929 connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB; 1930 1931 connector->base.save = psb_intel_sdvo_save; 1932 connector->base.restore = psb_intel_sdvo_restore; 1933 1934 gma_connector_attach_encoder(&connector->base, &encoder->base); 1935 drm_connector_register(&connector->base.base); 1936 } 1937 1938 static void 1939 psb_intel_sdvo_add_hdmi_properties(struct psb_intel_sdvo_connector *connector) 1940 { 1941 /* FIXME: We don't support HDMI at the moment 1942 struct drm_device *dev = connector->base.base.dev; 1943 1944 intel_attach_force_audio_property(&connector->base.base); 1945 intel_attach_broadcast_rgb_property(&connector->base.base); 1946 */ 1947 } 1948 1949 static bool 1950 psb_intel_sdvo_dvi_init(struct psb_intel_sdvo *psb_intel_sdvo, int device) 1951 { 1952 struct drm_encoder *encoder = &psb_intel_sdvo->base.base; 1953 struct drm_connector *connector; 1954 struct gma_connector *intel_connector; 1955 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector; 1956 1957 psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL); 1958 if (!psb_intel_sdvo_connector) 1959 return false; 1960 1961 if (device == 0) { 1962 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0; 1963 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0; 1964 } else if (device == 1) { 1965 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1; 1966 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1; 1967 } 1968 1969 intel_connector = &psb_intel_sdvo_connector->base; 1970 connector = &intel_connector->base; 1971 // connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT; 1972 encoder->encoder_type = DRM_MODE_ENCODER_TMDS; 1973 connector->connector_type = DRM_MODE_CONNECTOR_DVID; 1974 1975 if (psb_intel_sdvo_is_hdmi_connector(psb_intel_sdvo, device)) { 1976 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA; 1977 psb_intel_sdvo->is_hdmi = true; 1978 } 1979 psb_intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) | 1980 (1 << INTEL_ANALOG_CLONE_BIT)); 1981 1982 psb_intel_sdvo_connector_init(psb_intel_sdvo_connector, psb_intel_sdvo); 1983 if (psb_intel_sdvo->is_hdmi) 1984 psb_intel_sdvo_add_hdmi_properties(psb_intel_sdvo_connector); 1985 1986 return true; 1987 } 1988 1989 static bool 1990 psb_intel_sdvo_tv_init(struct psb_intel_sdvo *psb_intel_sdvo, int type) 1991 { 1992 struct drm_encoder *encoder = &psb_intel_sdvo->base.base; 1993 struct drm_connector *connector; 1994 struct gma_connector *intel_connector; 1995 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector; 1996 1997 psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL); 1998 if (!psb_intel_sdvo_connector) 1999 return false; 2000 2001 intel_connector = &psb_intel_sdvo_connector->base; 2002 connector = &intel_connector->base; 2003 encoder->encoder_type = DRM_MODE_ENCODER_TVDAC; 2004 connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO; 2005 2006 psb_intel_sdvo->controlled_output |= type; 2007 psb_intel_sdvo_connector->output_flag = type; 2008 2009 psb_intel_sdvo->is_tv = true; 2010 psb_intel_sdvo->base.needs_tv_clock = true; 2011 psb_intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT; 2012 2013 psb_intel_sdvo_connector_init(psb_intel_sdvo_connector, psb_intel_sdvo); 2014 2015 if (!psb_intel_sdvo_tv_create_property(psb_intel_sdvo, psb_intel_sdvo_connector, type)) 2016 goto err; 2017 2018 if (!psb_intel_sdvo_create_enhance_property(psb_intel_sdvo, psb_intel_sdvo_connector)) 2019 goto err; 2020 2021 return true; 2022 2023 err: 2024 psb_intel_sdvo_destroy(connector); 2025 return false; 2026 } 2027 2028 static bool 2029 psb_intel_sdvo_analog_init(struct psb_intel_sdvo *psb_intel_sdvo, int device) 2030 { 2031 struct drm_encoder *encoder = &psb_intel_sdvo->base.base; 2032 struct drm_connector *connector; 2033 struct gma_connector *intel_connector; 2034 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector; 2035 2036 psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL); 2037 if (!psb_intel_sdvo_connector) 2038 return false; 2039 2040 intel_connector = &psb_intel_sdvo_connector->base; 2041 connector = &intel_connector->base; 2042 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 2043 encoder->encoder_type = DRM_MODE_ENCODER_DAC; 2044 connector->connector_type = DRM_MODE_CONNECTOR_VGA; 2045 2046 if (device == 0) { 2047 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0; 2048 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0; 2049 } else if (device == 1) { 2050 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1; 2051 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1; 2052 } 2053 2054 psb_intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) | 2055 (1 << INTEL_ANALOG_CLONE_BIT)); 2056 2057 psb_intel_sdvo_connector_init(psb_intel_sdvo_connector, 2058 psb_intel_sdvo); 2059 return true; 2060 } 2061 2062 static bool 2063 psb_intel_sdvo_lvds_init(struct psb_intel_sdvo *psb_intel_sdvo, int device) 2064 { 2065 struct drm_encoder *encoder = &psb_intel_sdvo->base.base; 2066 struct drm_connector *connector; 2067 struct gma_connector *intel_connector; 2068 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector; 2069 2070 psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL); 2071 if (!psb_intel_sdvo_connector) 2072 return false; 2073 2074 intel_connector = &psb_intel_sdvo_connector->base; 2075 connector = &intel_connector->base; 2076 encoder->encoder_type = DRM_MODE_ENCODER_LVDS; 2077 connector->connector_type = DRM_MODE_CONNECTOR_LVDS; 2078 2079 if (device == 0) { 2080 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0; 2081 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0; 2082 } else if (device == 1) { 2083 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1; 2084 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1; 2085 } 2086 2087 psb_intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) | 2088 (1 << INTEL_SDVO_LVDS_CLONE_BIT)); 2089 2090 psb_intel_sdvo_connector_init(psb_intel_sdvo_connector, psb_intel_sdvo); 2091 if (!psb_intel_sdvo_create_enhance_property(psb_intel_sdvo, psb_intel_sdvo_connector)) 2092 goto err; 2093 2094 return true; 2095 2096 err: 2097 psb_intel_sdvo_destroy(connector); 2098 return false; 2099 } 2100 2101 static bool 2102 psb_intel_sdvo_output_setup(struct psb_intel_sdvo *psb_intel_sdvo, uint16_t flags) 2103 { 2104 psb_intel_sdvo->is_tv = false; 2105 psb_intel_sdvo->base.needs_tv_clock = false; 2106 psb_intel_sdvo->is_lvds = false; 2107 2108 /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/ 2109 2110 if (flags & SDVO_OUTPUT_TMDS0) 2111 if (!psb_intel_sdvo_dvi_init(psb_intel_sdvo, 0)) 2112 return false; 2113 2114 if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK) 2115 if (!psb_intel_sdvo_dvi_init(psb_intel_sdvo, 1)) 2116 return false; 2117 2118 /* TV has no XXX1 function block */ 2119 if (flags & SDVO_OUTPUT_SVID0) 2120 if (!psb_intel_sdvo_tv_init(psb_intel_sdvo, SDVO_OUTPUT_SVID0)) 2121 return false; 2122 2123 if (flags & SDVO_OUTPUT_CVBS0) 2124 if (!psb_intel_sdvo_tv_init(psb_intel_sdvo, SDVO_OUTPUT_CVBS0)) 2125 return false; 2126 2127 if (flags & SDVO_OUTPUT_RGB0) 2128 if (!psb_intel_sdvo_analog_init(psb_intel_sdvo, 0)) 2129 return false; 2130 2131 if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK) 2132 if (!psb_intel_sdvo_analog_init(psb_intel_sdvo, 1)) 2133 return false; 2134 2135 if (flags & SDVO_OUTPUT_LVDS0) 2136 if (!psb_intel_sdvo_lvds_init(psb_intel_sdvo, 0)) 2137 return false; 2138 2139 if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK) 2140 if (!psb_intel_sdvo_lvds_init(psb_intel_sdvo, 1)) 2141 return false; 2142 2143 if ((flags & SDVO_OUTPUT_MASK) == 0) { 2144 unsigned char bytes[2]; 2145 2146 psb_intel_sdvo->controlled_output = 0; 2147 memcpy(bytes, &psb_intel_sdvo->caps.output_flags, 2); 2148 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n", 2149 SDVO_NAME(psb_intel_sdvo), 2150 bytes[0], bytes[1]); 2151 return false; 2152 } 2153 psb_intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1); 2154 2155 return true; 2156 } 2157 2158 static bool psb_intel_sdvo_tv_create_property(struct psb_intel_sdvo *psb_intel_sdvo, 2159 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector, 2160 int type) 2161 { 2162 struct drm_device *dev = psb_intel_sdvo->base.base.dev; 2163 struct psb_intel_sdvo_tv_format format; 2164 uint32_t format_map, i; 2165 2166 if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo, type)) 2167 return false; 2168 2169 BUILD_BUG_ON(sizeof(format) != 6); 2170 if (!psb_intel_sdvo_get_value(psb_intel_sdvo, 2171 SDVO_CMD_GET_SUPPORTED_TV_FORMATS, 2172 &format, sizeof(format))) 2173 return false; 2174 2175 memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format))); 2176 2177 if (format_map == 0) 2178 return false; 2179 2180 psb_intel_sdvo_connector->format_supported_num = 0; 2181 for (i = 0 ; i < ARRAY_SIZE(tv_format_names); i++) 2182 if (format_map & (1 << i)) 2183 psb_intel_sdvo_connector->tv_format_supported[psb_intel_sdvo_connector->format_supported_num++] = i; 2184 2185 2186 psb_intel_sdvo_connector->tv_format = 2187 drm_property_create(dev, DRM_MODE_PROP_ENUM, 2188 "mode", psb_intel_sdvo_connector->format_supported_num); 2189 if (!psb_intel_sdvo_connector->tv_format) 2190 return false; 2191 2192 for (i = 0; i < psb_intel_sdvo_connector->format_supported_num; i++) 2193 drm_property_add_enum( 2194 psb_intel_sdvo_connector->tv_format, 2195 i, tv_format_names[psb_intel_sdvo_connector->tv_format_supported[i]]); 2196 2197 psb_intel_sdvo->tv_format_index = psb_intel_sdvo_connector->tv_format_supported[0]; 2198 drm_object_attach_property(&psb_intel_sdvo_connector->base.base.base, 2199 psb_intel_sdvo_connector->tv_format, 0); 2200 return true; 2201 2202 } 2203 2204 #define ENHANCEMENT(name, NAME) do { \ 2205 if (enhancements.name) { \ 2206 if (!psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \ 2207 !psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \ 2208 return false; \ 2209 psb_intel_sdvo_connector->max_##name = data_value[0]; \ 2210 psb_intel_sdvo_connector->cur_##name = response; \ 2211 psb_intel_sdvo_connector->name = \ 2212 drm_property_create_range(dev, 0, #name, 0, data_value[0]); \ 2213 if (!psb_intel_sdvo_connector->name) return false; \ 2214 drm_object_attach_property(&connector->base, \ 2215 psb_intel_sdvo_connector->name, \ 2216 psb_intel_sdvo_connector->cur_##name); \ 2217 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \ 2218 data_value[0], data_value[1], response); \ 2219 } \ 2220 } while(0) 2221 2222 static bool 2223 psb_intel_sdvo_create_enhance_property_tv(struct psb_intel_sdvo *psb_intel_sdvo, 2224 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector, 2225 struct psb_intel_sdvo_enhancements_reply enhancements) 2226 { 2227 struct drm_device *dev = psb_intel_sdvo->base.base.dev; 2228 struct drm_connector *connector = &psb_intel_sdvo_connector->base.base; 2229 uint16_t response, data_value[2]; 2230 2231 /* when horizontal overscan is supported, Add the left/right property */ 2232 if (enhancements.overscan_h) { 2233 if (!psb_intel_sdvo_get_value(psb_intel_sdvo, 2234 SDVO_CMD_GET_MAX_OVERSCAN_H, 2235 &data_value, 4)) 2236 return false; 2237 2238 if (!psb_intel_sdvo_get_value(psb_intel_sdvo, 2239 SDVO_CMD_GET_OVERSCAN_H, 2240 &response, 2)) 2241 return false; 2242 2243 psb_intel_sdvo_connector->max_hscan = data_value[0]; 2244 psb_intel_sdvo_connector->left_margin = data_value[0] - response; 2245 psb_intel_sdvo_connector->right_margin = psb_intel_sdvo_connector->left_margin; 2246 psb_intel_sdvo_connector->left = 2247 drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]); 2248 if (!psb_intel_sdvo_connector->left) 2249 return false; 2250 2251 drm_object_attach_property(&connector->base, 2252 psb_intel_sdvo_connector->left, 2253 psb_intel_sdvo_connector->left_margin); 2254 2255 psb_intel_sdvo_connector->right = 2256 drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]); 2257 if (!psb_intel_sdvo_connector->right) 2258 return false; 2259 2260 drm_object_attach_property(&connector->base, 2261 psb_intel_sdvo_connector->right, 2262 psb_intel_sdvo_connector->right_margin); 2263 DRM_DEBUG_KMS("h_overscan: max %d, " 2264 "default %d, current %d\n", 2265 data_value[0], data_value[1], response); 2266 } 2267 2268 if (enhancements.overscan_v) { 2269 if (!psb_intel_sdvo_get_value(psb_intel_sdvo, 2270 SDVO_CMD_GET_MAX_OVERSCAN_V, 2271 &data_value, 4)) 2272 return false; 2273 2274 if (!psb_intel_sdvo_get_value(psb_intel_sdvo, 2275 SDVO_CMD_GET_OVERSCAN_V, 2276 &response, 2)) 2277 return false; 2278 2279 psb_intel_sdvo_connector->max_vscan = data_value[0]; 2280 psb_intel_sdvo_connector->top_margin = data_value[0] - response; 2281 psb_intel_sdvo_connector->bottom_margin = psb_intel_sdvo_connector->top_margin; 2282 psb_intel_sdvo_connector->top = 2283 drm_property_create_range(dev, 0, "top_margin", 0, data_value[0]); 2284 if (!psb_intel_sdvo_connector->top) 2285 return false; 2286 2287 drm_object_attach_property(&connector->base, 2288 psb_intel_sdvo_connector->top, 2289 psb_intel_sdvo_connector->top_margin); 2290 2291 psb_intel_sdvo_connector->bottom = 2292 drm_property_create_range(dev, 0, "bottom_margin", 0, data_value[0]); 2293 if (!psb_intel_sdvo_connector->bottom) 2294 return false; 2295 2296 drm_object_attach_property(&connector->base, 2297 psb_intel_sdvo_connector->bottom, 2298 psb_intel_sdvo_connector->bottom_margin); 2299 DRM_DEBUG_KMS("v_overscan: max %d, " 2300 "default %d, current %d\n", 2301 data_value[0], data_value[1], response); 2302 } 2303 2304 ENHANCEMENT(hpos, HPOS); 2305 ENHANCEMENT(vpos, VPOS); 2306 ENHANCEMENT(saturation, SATURATION); 2307 ENHANCEMENT(contrast, CONTRAST); 2308 ENHANCEMENT(hue, HUE); 2309 ENHANCEMENT(sharpness, SHARPNESS); 2310 ENHANCEMENT(brightness, BRIGHTNESS); 2311 ENHANCEMENT(flicker_filter, FLICKER_FILTER); 2312 ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE); 2313 ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D); 2314 ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER); 2315 ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER); 2316 2317 if (enhancements.dot_crawl) { 2318 if (!psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2)) 2319 return false; 2320 2321 psb_intel_sdvo_connector->max_dot_crawl = 1; 2322 psb_intel_sdvo_connector->cur_dot_crawl = response & 0x1; 2323 psb_intel_sdvo_connector->dot_crawl = 2324 drm_property_create_range(dev, 0, "dot_crawl", 0, 1); 2325 if (!psb_intel_sdvo_connector->dot_crawl) 2326 return false; 2327 2328 drm_object_attach_property(&connector->base, 2329 psb_intel_sdvo_connector->dot_crawl, 2330 psb_intel_sdvo_connector->cur_dot_crawl); 2331 DRM_DEBUG_KMS("dot crawl: current %d\n", response); 2332 } 2333 2334 return true; 2335 } 2336 2337 static bool 2338 psb_intel_sdvo_create_enhance_property_lvds(struct psb_intel_sdvo *psb_intel_sdvo, 2339 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector, 2340 struct psb_intel_sdvo_enhancements_reply enhancements) 2341 { 2342 struct drm_device *dev = psb_intel_sdvo->base.base.dev; 2343 struct drm_connector *connector = &psb_intel_sdvo_connector->base.base; 2344 uint16_t response, data_value[2]; 2345 2346 ENHANCEMENT(brightness, BRIGHTNESS); 2347 2348 return true; 2349 } 2350 #undef ENHANCEMENT 2351 2352 static bool psb_intel_sdvo_create_enhance_property(struct psb_intel_sdvo *psb_intel_sdvo, 2353 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector) 2354 { 2355 union { 2356 struct psb_intel_sdvo_enhancements_reply reply; 2357 uint16_t response; 2358 } enhancements; 2359 2360 BUILD_BUG_ON(sizeof(enhancements) != 2); 2361 2362 enhancements.response = 0; 2363 psb_intel_sdvo_get_value(psb_intel_sdvo, 2364 SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS, 2365 &enhancements, sizeof(enhancements)); 2366 if (enhancements.response == 0) { 2367 DRM_DEBUG_KMS("No enhancement is supported\n"); 2368 return true; 2369 } 2370 2371 if (IS_TV(psb_intel_sdvo_connector)) 2372 return psb_intel_sdvo_create_enhance_property_tv(psb_intel_sdvo, psb_intel_sdvo_connector, enhancements.reply); 2373 else if(IS_LVDS(psb_intel_sdvo_connector)) 2374 return psb_intel_sdvo_create_enhance_property_lvds(psb_intel_sdvo, psb_intel_sdvo_connector, enhancements.reply); 2375 else 2376 return true; 2377 } 2378 2379 static int psb_intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter, 2380 struct i2c_msg *msgs, 2381 int num) 2382 { 2383 struct psb_intel_sdvo *sdvo = adapter->algo_data; 2384 2385 if (!psb_intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus)) 2386 return -EIO; 2387 2388 return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num); 2389 } 2390 2391 static u32 psb_intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter) 2392 { 2393 struct psb_intel_sdvo *sdvo = adapter->algo_data; 2394 return sdvo->i2c->algo->functionality(sdvo->i2c); 2395 } 2396 2397 static const struct i2c_algorithm psb_intel_sdvo_ddc_proxy = { 2398 .master_xfer = psb_intel_sdvo_ddc_proxy_xfer, 2399 .functionality = psb_intel_sdvo_ddc_proxy_func 2400 }; 2401 2402 static bool 2403 psb_intel_sdvo_init_ddc_proxy(struct psb_intel_sdvo *sdvo, 2404 struct drm_device *dev) 2405 { 2406 sdvo->ddc.owner = THIS_MODULE; 2407 sdvo->ddc.class = I2C_CLASS_DDC; 2408 snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy"); 2409 sdvo->ddc.dev.parent = &dev->pdev->dev; 2410 sdvo->ddc.algo_data = sdvo; 2411 sdvo->ddc.algo = &psb_intel_sdvo_ddc_proxy; 2412 2413 return i2c_add_adapter(&sdvo->ddc) == 0; 2414 } 2415 2416 bool psb_intel_sdvo_init(struct drm_device *dev, int sdvo_reg) 2417 { 2418 struct drm_psb_private *dev_priv = dev->dev_private; 2419 struct gma_encoder *gma_encoder; 2420 struct psb_intel_sdvo *psb_intel_sdvo; 2421 int i; 2422 2423 psb_intel_sdvo = kzalloc(sizeof(struct psb_intel_sdvo), GFP_KERNEL); 2424 if (!psb_intel_sdvo) 2425 return false; 2426 2427 psb_intel_sdvo->sdvo_reg = sdvo_reg; 2428 psb_intel_sdvo->slave_addr = psb_intel_sdvo_get_slave_addr(dev, sdvo_reg) >> 1; 2429 psb_intel_sdvo_select_i2c_bus(dev_priv, psb_intel_sdvo, sdvo_reg); 2430 if (!psb_intel_sdvo_init_ddc_proxy(psb_intel_sdvo, dev)) { 2431 kfree(psb_intel_sdvo); 2432 return false; 2433 } 2434 2435 /* encoder type will be decided later */ 2436 gma_encoder = &psb_intel_sdvo->base; 2437 gma_encoder->type = INTEL_OUTPUT_SDVO; 2438 drm_encoder_init(dev, &gma_encoder->base, &psb_intel_sdvo_enc_funcs, 2439 0, NULL); 2440 2441 /* Read the regs to test if we can talk to the device */ 2442 for (i = 0; i < 0x40; i++) { 2443 u8 byte; 2444 2445 if (!psb_intel_sdvo_read_byte(psb_intel_sdvo, i, &byte)) { 2446 DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n", 2447 IS_SDVOB(sdvo_reg) ? 'B' : 'C'); 2448 goto err; 2449 } 2450 } 2451 2452 if (IS_SDVOB(sdvo_reg)) 2453 dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS; 2454 else 2455 dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS; 2456 2457 drm_encoder_helper_add(&gma_encoder->base, &psb_intel_sdvo_helper_funcs); 2458 2459 /* In default case sdvo lvds is false */ 2460 if (!psb_intel_sdvo_get_capabilities(psb_intel_sdvo, &psb_intel_sdvo->caps)) 2461 goto err; 2462 2463 if (psb_intel_sdvo_output_setup(psb_intel_sdvo, 2464 psb_intel_sdvo->caps.output_flags) != true) { 2465 DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n", 2466 IS_SDVOB(sdvo_reg) ? 'B' : 'C'); 2467 goto err; 2468 } 2469 2470 psb_intel_sdvo_select_ddc_bus(dev_priv, psb_intel_sdvo, sdvo_reg); 2471 2472 /* Set the input timing to the screen. Assume always input 0. */ 2473 if (!psb_intel_sdvo_set_target_input(psb_intel_sdvo)) 2474 goto err; 2475 2476 if (!psb_intel_sdvo_get_input_pixel_clock_range(psb_intel_sdvo, 2477 &psb_intel_sdvo->pixel_clock_min, 2478 &psb_intel_sdvo->pixel_clock_max)) 2479 goto err; 2480 2481 DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, " 2482 "clock range %dMHz - %dMHz, " 2483 "input 1: %c, input 2: %c, " 2484 "output 1: %c, output 2: %c\n", 2485 SDVO_NAME(psb_intel_sdvo), 2486 psb_intel_sdvo->caps.vendor_id, psb_intel_sdvo->caps.device_id, 2487 psb_intel_sdvo->caps.device_rev_id, 2488 psb_intel_sdvo->pixel_clock_min / 1000, 2489 psb_intel_sdvo->pixel_clock_max / 1000, 2490 (psb_intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N', 2491 (psb_intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N', 2492 /* check currently supported outputs */ 2493 psb_intel_sdvo->caps.output_flags & 2494 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N', 2495 psb_intel_sdvo->caps.output_flags & 2496 (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N'); 2497 return true; 2498 2499 err: 2500 drm_encoder_cleanup(&gma_encoder->base); 2501 i2c_del_adapter(&psb_intel_sdvo->ddc); 2502 kfree(psb_intel_sdvo); 2503 2504 return false; 2505 } 2506