SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/gpu/drm/i915/intel_sdvo.c

   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 #include <linux/i2c.h>
  29 #include <linux/delay.h>
  30 #include "drmP.h"
  31 #include "drm.h"
  32 #include "drm_crtc.h"
  33 #include "intel_drv.h"
  34 #include "drm_edid.h"
  35 #include "i915_drm.h"
  36 #include "i915_drv.h"
  37 #include "intel_sdvo_regs.h"
  38
  39 #undef SDVO_DEBUG
  40
  41 static char *tv_format_names[] = {
  42         "NTSC_M"   , "NTSC_J"  , "NTSC_443",
  43         "PAL_B"    , "PAL_D"   , "PAL_G"   ,
  44         "PAL_H"    , "PAL_I"   , "PAL_M"   ,
  45         "PAL_N"    , "PAL_NC"  , "PAL_60"  ,
  46         "SECAM_B"  , "SECAM_D" , "SECAM_G" ,
  47         "SECAM_K"  , "SECAM_K1", "SECAM_L" ,
  48         "SECAM_60"
  49 };
  50
  51 #define TV_FORMAT_NUM  (sizeof(tv_format_names) / sizeof(*tv_format_names))
  52
  53 struct intel_sdvo_priv {
  54         u8 slave_addr;
  55
  56         /* Register for the SDVO device: SDVOB or SDVOC */
  57         int output_device;
  58
  59         /* Active outputs controlled by this SDVO output */
  60         uint16_t controlled_output;
  61
  62         /*
  63          * Capabilities of the SDVO device returned by
  64          * i830_sdvo_get_capabilities()
  65          */
  66         struct intel_sdvo_caps caps;
  67
  68         /* Pixel clock limitations reported by the SDVO device, in kHz */
  69         int pixel_clock_min, pixel_clock_max;
  70
  71         /*
  72         * For multiple function SDVO device,
  73         * this is for current attached outputs.
  74         */
  75         uint16_t attached_output;
  76
  77         /**
  78          * This is set if we're going to treat the device as TV-out.
  79          *
  80          * While we have these nice friendly flags for output types that ought
  81          * to decide this for us, the S-Video output on our HDMI+S-Video card
  82          * shows up as RGB1 (VGA).
  83          */
  84         bool is_tv;
  85
  86         /* This is for current tv format name */
  87         char *tv_format_name;
  88
  89         /* This contains all current supported TV format */
  90         char *tv_format_supported[TV_FORMAT_NUM];
  91         int   format_supported_num;
  92         struct drm_property *tv_format_property;
  93         struct drm_property *tv_format_name_property[TV_FORMAT_NUM];
  94
  95         /**
  96          * This is set if we treat the device as HDMI, instead of DVI.
  97          */
  98         bool is_hdmi;
  99
 100         /**
 101          * This is set if we detect output of sdvo device as LVDS.
 102          */
 103         bool is_lvds;
 104
 105         /**
 106          * This is sdvo flags for input timing.
 107          */
 108         uint8_t sdvo_flags;
 109
 110         /**
 111          * This is sdvo fixed pannel mode pointer
 112          */
 113         struct drm_display_mode *sdvo_lvds_fixed_mode;
 114
 115         /**
 116          * Returned SDTV resolutions allowed for the current format, if the
 117          * device reported it.
 118          */
 119         struct intel_sdvo_sdtv_resolution_reply sdtv_resolutions;
 120
 121         /*
 122          * supported encoding mode, used to determine whether HDMI is
 123          * supported
 124          */
 125         struct intel_sdvo_encode encode;
 126
 127         /* DDC bus used by this SDVO output */
 128         uint8_t ddc_bus;
 129
 130         /* Mac mini hack -- use the same DDC as the analog connector */
 131         struct i2c_adapter *analog_ddc_bus;
 132
 133         int save_sdvo_mult;
 134         u16 save_active_outputs;
 135         struct intel_sdvo_dtd save_input_dtd_1, save_input_dtd_2;
 136         struct intel_sdvo_dtd save_output_dtd[16];
 137         u32 save_SDVOX;
 138         /* add the property for the SDVO-TV */
 139         struct drm_property *left_property;
 140         struct drm_property *right_property;
 141         struct drm_property *top_property;
 142         struct drm_property *bottom_property;
 143         struct drm_property *hpos_property;
 144         struct drm_property *vpos_property;
 145
 146         /* add the property for the SDVO-TV/LVDS */
 147         struct drm_property *brightness_property;
 148         struct drm_property *contrast_property;
 149         struct drm_property *saturation_property;
 150         struct drm_property *hue_property;
 151
 152         /* Add variable to record current setting for the above property */
 153         u32     left_margin, right_margin, top_margin, bottom_margin;
 154         /* this is to get the range of margin.*/
 155         u32     max_hscan,  max_vscan;
 156         u32     max_hpos, cur_hpos;
 157         u32     max_vpos, cur_vpos;
 158         u32     cur_brightness, max_brightness;
 159         u32     cur_contrast,   max_contrast;
 160         u32     cur_saturation, max_saturation;
 161         u32     cur_hue,        max_hue;
 162 };
 163
 164 static bool
 165 intel_sdvo_output_setup(struct intel_output *intel_output, uint16_t flags);
 166
 167 /**
 168  * Writes the SDVOB or SDVOC with the given value, but always writes both
 169  * SDVOB and SDVOC to work around apparent hardware issues (according to
 170  * comments in the BIOS).
 171  */
 172 static void intel_sdvo_write_sdvox(struct intel_output *intel_output, u32 val)
 173 {
 174         struct drm_device *dev = intel_output->base.dev;
 175         struct drm_i915_private *dev_priv = dev->dev_private;
 176         struct intel_sdvo_priv   *sdvo_priv = intel_output->dev_priv;
 177         u32 bval = val, cval = val;
 178         int i;
 179
 180         if (sdvo_priv->output_device == SDVOB) {
 181                 cval = I915_READ(SDVOC);
 182         } else {
 183                 bval = I915_READ(SDVOB);
 184         }
 185         /*
 186          * Write the registers twice for luck. Sometimes,
 187          * writing them only once doesn't appear to 'stick'.
 188          * The BIOS does this too. Yay, magic
 189          */
 190         for (i = 0; i < 2; i++)
 191         {
 192                 I915_WRITE(SDVOB, bval);
 193                 I915_READ(SDVOB);
 194                 I915_WRITE(SDVOC, cval);
 195                 I915_READ(SDVOC);
 196         }
 197 }
 198
 199 static bool intel_sdvo_read_byte(struct intel_output *intel_output, u8 addr,
 200                                  u8 *ch)
 201 {
 202         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
 203         u8 out_buf[2];
 204         u8 buf[2];
 205         int ret;
 206
 207         struct i2c_msg msgs[] = {
 208                 {
 209                         .addr = sdvo_priv->slave_addr >> 1,
 210                         .flags = 0,
 211                         .len = 1,
 212                         .buf = out_buf,
 213                 },
 214                 {
 215                         .addr = sdvo_priv->slave_addr >> 1,
 216                         .flags = I2C_M_RD,
 217                         .len = 1,
 218                         .buf = buf,
 219                 }
 220         };
 221
 222         out_buf[0] = addr;
 223         out_buf[1] = 0;
 224
 225         if ((ret = i2c_transfer(intel_output->i2c_bus, msgs, 2)) == 2)
 226         {
 227                 *ch = buf[0];
 228                 return true;
 229         }
 230
 231         DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
 232         return false;
 233 }
 234
 235 static bool intel_sdvo_write_byte(struct intel_output *intel_output, int addr,
 236                                   u8 ch)
 237 {
 238         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
 239         u8 out_buf[2];
 240         struct i2c_msg msgs[] = {
 241                 {
 242                         .addr = sdvo_priv->slave_addr >> 1,
 243                         .flags = 0,
 244                         .len = 2,
 245                         .buf = out_buf,
 246                 }
 247         };
 248
 249         out_buf[0] = addr;
 250         out_buf[1] = ch;
 251
 252         if (i2c_transfer(intel_output->i2c_bus, msgs, 1) == 1)
 253         {
 254                 return true;
 255         }
 256         return false;
 257 }
 258
 259 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
 260 /** Mapping of command numbers to names, for debug output */
 261 static const struct _sdvo_cmd_name {
 262         u8 cmd;
 263         char *name;
 264 } sdvo_cmd_names[] = {
 265     SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
 266     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
 267     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
 268     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
 269     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
 270     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
 271     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
 272     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
 273     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
 274     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
 275     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
 276     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
 277     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
 278     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
 279     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
 280     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
 281     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
 282     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 283     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
 284     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 285     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
 286     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
 287     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
 288     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
 289     SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
 290     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
 291     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
 292     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
 293     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
 294     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
 295     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
 296     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
 297     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
 298     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
 299     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
 300     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
 301     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
 302     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
 303     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
 304     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
 305     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
 306     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
 307     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
 308     /* Add the op code for SDVO enhancements */
 309     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_POSITION_H),
 310     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POSITION_H),
 311     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_POSITION_H),
 312     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_POSITION_V),
 313     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POSITION_V),
 314     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_POSITION_V),
 315     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
 316     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
 317     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
 318     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
 319     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
 320     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
 321     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
 322     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
 323     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
 324     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
 325     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
 326     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
 327     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
 328     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
 329     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
 330     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
 331     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
 332     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
 333     /* HDMI op code */
 334     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
 335     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
 336     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
 337     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
 338     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
 339     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
 340     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
 341     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
 342     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
 343     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
 344     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
 345     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
 346     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
 347     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
 348     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
 349     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
 350     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
 351     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
 352     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
 353     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
 354 };
 355
 356 #define SDVO_NAME(dev_priv) ((dev_priv)->output_device == SDVOB ? "SDVOB" : "SDVOC")
 357 #define SDVO_PRIV(output)   ((struct intel_sdvo_priv *) (output)->dev_priv)
 358
 359 #ifdef SDVO_DEBUG
 360 static void intel_sdvo_debug_write(struct intel_output *intel_output, u8 cmd,
 361                                    void *args, int args_len)
 362 {
 363         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
 364         int i;
 365
 366         DRM_DEBUG_KMS("%s: W: %02X ",
 367                                 SDVO_NAME(sdvo_priv), cmd);
 368         for (i = 0; i < args_len; i++)
 369                 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
 370         for (; i < 8; i++)
 371                 DRM_LOG_KMS("   ");
 372         for (i = 0; i < sizeof(sdvo_cmd_names) / sizeof(sdvo_cmd_names[0]); i++) {
 373                 if (cmd == sdvo_cmd_names[i].cmd) {
 374                         DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
 375                         break;
 376                 }
 377         }
 378         if (i == sizeof(sdvo_cmd_names)/ sizeof(sdvo_cmd_names[0]))
 379                 DRM_LOG_KMS("(%02X)", cmd);
 380         DRM_LOG_KMS("\n");
 381 }
 382 #else
 383 #define intel_sdvo_debug_write(o, c, a, l)
 384 #endif
 385
 386 static void intel_sdvo_write_cmd(struct intel_output *intel_output, u8 cmd,
 387                                  void *args, int args_len)
 388 {
 389         int i;
 390
 391         intel_sdvo_debug_write(intel_output, cmd, args, args_len);
 392
 393         for (i = 0; i < args_len; i++) {
 394                 intel_sdvo_write_byte(intel_output, SDVO_I2C_ARG_0 - i,
 395                                       ((u8*)args)[i]);
 396         }
 397
 398         intel_sdvo_write_byte(intel_output, SDVO_I2C_OPCODE, cmd);
 399 }
 400
 401 #ifdef SDVO_DEBUG
 402 static const char *cmd_status_names[] = {
 403         "Power on",
 404         "Success",
 405         "Not supported",
 406         "Invalid arg",
 407         "Pending",
 408         "Target not specified",
 409         "Scaling not supported"
 410 };
 411
 412 static void intel_sdvo_debug_response(struct intel_output *intel_output,
 413                                       void *response, int response_len,
 414                                       u8 status)
 415 {
 416         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
 417         int i;
 418
 419         DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(sdvo_priv));
 420         for (i = 0; i < response_len; i++)
 421                 DRM_LOG_KMS("%02X ", ((u8 *)response)[i]);
 422         for (; i < 8; i++)
 423                 DRM_LOG_KMS("   ");
 424         if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
 425                 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
 426         else
 427                 DRM_LOG_KMS("(??? %d)", status);
 428         DRM_LOG_KMS("\n");
 429 }
 430 #else
 431 #define intel_sdvo_debug_response(o, r, l, s)
 432 #endif
 433
 434 static u8 intel_sdvo_read_response(struct intel_output *intel_output,
 435                                    void *response, int response_len)
 436 {
 437         int i;
 438         u8 status;
 439         u8 retry = 50;
 440
 441         while (retry--) {
 442                 /* Read the command response */
 443                 for (i = 0; i < response_len; i++) {
 444                         intel_sdvo_read_byte(intel_output,
 445                                              SDVO_I2C_RETURN_0 + i,
 446                                              &((u8 *)response)[i]);
 447                 }
 448
 449                 /* read the return status */
 450                 intel_sdvo_read_byte(intel_output, SDVO_I2C_CMD_STATUS,
 451                                      &status);
 452
 453                 intel_sdvo_debug_response(intel_output, response, response_len,
 454                                           status);
 455                 if (status != SDVO_CMD_STATUS_PENDING)
 456                         return status;
 457
 458                 mdelay(50);
 459         }
 460
 461         return status;
 462 }
 463
 464 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
 465 {
 466         if (mode->clock >= 100000)
 467                 return 1;
 468         else if (mode->clock >= 50000)
 469                 return 2;
 470         else
 471                 return 4;
 472 }
 473
 474 /**
 475  * Don't check status code from this as it switches the bus back to the
 476  * SDVO chips which defeats the purpose of doing a bus switch in the first
 477  * place.
 478  */
 479 static void intel_sdvo_set_control_bus_switch(struct intel_output *intel_output,
 480                                               u8 target)
 481 {
 482         intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_CONTROL_BUS_SWITCH, &target, 1);
 483 }
 484
 485 static bool intel_sdvo_set_target_input(struct intel_output *intel_output, bool target_0, bool target_1)
 486 {
 487         struct intel_sdvo_set_target_input_args targets = {0};
 488         u8 status;
 489
 490         if (target_0 && target_1)
 491                 return SDVO_CMD_STATUS_NOTSUPP;
 492
 493         if (target_1)
 494                 targets.target_1 = 1;
 495
 496         intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_TARGET_INPUT, &targets,
 497                              sizeof(targets));
 498
 499         status = intel_sdvo_read_response(intel_output, NULL, 0);
 500
 501         return (status == SDVO_CMD_STATUS_SUCCESS);
 502 }
 503
 504 /**
 505  * Return whether each input is trained.
 506  *
 507  * This function is making an assumption about the layout of the response,
 508  * which should be checked against the docs.
 509  */
 510 static bool intel_sdvo_get_trained_inputs(struct intel_output *intel_output, bool *input_1, bool *input_2)
 511 {
 512         struct intel_sdvo_get_trained_inputs_response response;
 513         u8 status;
 514
 515         intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_TRAINED_INPUTS, NULL, 0);
 516         status = intel_sdvo_read_response(intel_output, &response, sizeof(response));
 517         if (status != SDVO_CMD_STATUS_SUCCESS)
 518                 return false;
 519
 520         *input_1 = response.input0_trained;
 521         *input_2 = response.input1_trained;
 522         return true;
 523 }
 524
 525 static bool intel_sdvo_get_active_outputs(struct intel_output *intel_output,
 526                                           u16 *outputs)
 527 {
 528         u8 status;
 529
 530         intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_ACTIVE_OUTPUTS, NULL, 0);
 531         status = intel_sdvo_read_response(intel_output, outputs, sizeof(*outputs));
 532
 533         return (status == SDVO_CMD_STATUS_SUCCESS);
 534 }
 535
 536 static bool intel_sdvo_set_active_outputs(struct intel_output *intel_output,
 537                                           u16 outputs)
 538 {
 539         u8 status;
 540
 541         intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_ACTIVE_OUTPUTS, &outputs,
 542                              sizeof(outputs));
 543         status = intel_sdvo_read_response(intel_output, NULL, 0);
 544         return (status == SDVO_CMD_STATUS_SUCCESS);
 545 }
 546
 547 static bool intel_sdvo_set_encoder_power_state(struct intel_output *intel_output,
 548                                                int mode)
 549 {
 550         u8 status, state = SDVO_ENCODER_STATE_ON;
 551
 552         switch (mode) {
 553         case DRM_MODE_DPMS_ON:
 554                 state = SDVO_ENCODER_STATE_ON;
 555                 break;
 556         case DRM_MODE_DPMS_STANDBY:
 557                 state = SDVO_ENCODER_STATE_STANDBY;
 558                 break;
 559         case DRM_MODE_DPMS_SUSPEND:
 560                 state = SDVO_ENCODER_STATE_SUSPEND;
 561                 break;
 562         case DRM_MODE_DPMS_OFF:
 563                 state = SDVO_ENCODER_STATE_OFF;
 564                 break;
 565         }
 566
 567         intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_ENCODER_POWER_STATE, &state,
 568                              sizeof(state));
 569         status = intel_sdvo_read_response(intel_output, NULL, 0);
 570
 571         return (status == SDVO_CMD_STATUS_SUCCESS);
 572 }
 573
 574 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_output *intel_output,
 575                                                    int *clock_min,
 576                                                    int *clock_max)
 577 {
 578         struct intel_sdvo_pixel_clock_range clocks;
 579         u8 status;
 580
 581         intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
 582                              NULL, 0);
 583
 584         status = intel_sdvo_read_response(intel_output, &clocks, sizeof(clocks));
 585
 586         if (status != SDVO_CMD_STATUS_SUCCESS)
 587                 return false;
 588
 589         /* Convert the values from units of 10 kHz to kHz. */
 590         *clock_min = clocks.min * 10;
 591         *clock_max = clocks.max * 10;
 592
 593         return true;
 594 }
 595
 596 static bool intel_sdvo_set_target_output(struct intel_output *intel_output,
 597                                          u16 outputs)
 598 {
 599         u8 status;
 600
 601         intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_TARGET_OUTPUT, &outputs,
 602                              sizeof(outputs));
 603
 604         status = intel_sdvo_read_response(intel_output, NULL, 0);
 605         return (status == SDVO_CMD_STATUS_SUCCESS);
 606 }
 607
 608 static bool intel_sdvo_get_timing(struct intel_output *intel_output, u8 cmd,
 609                                   struct intel_sdvo_dtd *dtd)
 610 {
 611         u8 status;
 612
 613         intel_sdvo_write_cmd(intel_output, cmd, NULL, 0);
 614         status = intel_sdvo_read_response(intel_output, &dtd->part1,
 615                                           sizeof(dtd->part1));
 616         if (status != SDVO_CMD_STATUS_SUCCESS)
 617                 return false;
 618
 619         intel_sdvo_write_cmd(intel_output, cmd + 1, NULL, 0);
 620         status = intel_sdvo_read_response(intel_output, &dtd->part2,
 621                                           sizeof(dtd->part2));
 622         if (status != SDVO_CMD_STATUS_SUCCESS)
 623                 return false;
 624
 625         return true;
 626 }
 627
 628 static bool intel_sdvo_get_input_timing(struct intel_output *intel_output,
 629                                          struct intel_sdvo_dtd *dtd)
 630 {
 631         return intel_sdvo_get_timing(intel_output,
 632                                      SDVO_CMD_GET_INPUT_TIMINGS_PART1, dtd);
 633 }
 634
 635 static bool intel_sdvo_get_output_timing(struct intel_output *intel_output,
 636                                          struct intel_sdvo_dtd *dtd)
 637 {
 638         return intel_sdvo_get_timing(intel_output,
 639                                      SDVO_CMD_GET_OUTPUT_TIMINGS_PART1, dtd);
 640 }
 641
 642 static bool intel_sdvo_set_timing(struct intel_output *intel_output, u8 cmd,
 643                                   struct intel_sdvo_dtd *dtd)
 644 {
 645         u8 status;
 646
 647         intel_sdvo_write_cmd(intel_output, cmd, &dtd->part1, sizeof(dtd->part1));
 648         status = intel_sdvo_read_response(intel_output, NULL, 0);
 649         if (status != SDVO_CMD_STATUS_SUCCESS)
 650                 return false;
 651
 652         intel_sdvo_write_cmd(intel_output, cmd + 1, &dtd->part2, sizeof(dtd->part2));
 653         status = intel_sdvo_read_response(intel_output, NULL, 0);
 654         if (status != SDVO_CMD_STATUS_SUCCESS)
 655                 return false;
 656
 657         return true;
 658 }
 659
 660 static bool intel_sdvo_set_input_timing(struct intel_output *intel_output,
 661                                          struct intel_sdvo_dtd *dtd)
 662 {
 663         return intel_sdvo_set_timing(intel_output,
 664                                      SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
 665 }
 666
 667 static bool intel_sdvo_set_output_timing(struct intel_output *intel_output,
 668                                          struct intel_sdvo_dtd *dtd)
 669 {
 670         return intel_sdvo_set_timing(intel_output,
 671                                      SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
 672 }
 673
 674 static bool
 675 intel_sdvo_create_preferred_input_timing(struct intel_output *output,
 676                                          uint16_t clock,
 677                                          uint16_t width,
 678                                          uint16_t height)
 679 {
 680         struct intel_sdvo_preferred_input_timing_args args;
 681         struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
 682         uint8_t status;
 683
 684         memset(&args, 0, sizeof(args));
 685         args.clock = clock;
 686         args.width = width;
 687         args.height = height;
 688         args.interlace = 0;
 689
 690         if (sdvo_priv->is_lvds &&
 691            (sdvo_priv->sdvo_lvds_fixed_mode->hdisplay != width ||
 692             sdvo_priv->sdvo_lvds_fixed_mode->vdisplay != height))
 693                 args.scaled = 1;
 694
 695         intel_sdvo_write_cmd(output, SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
 696                              &args, sizeof(args));
 697         status = intel_sdvo_read_response(output, NULL, 0);
 698         if (status != SDVO_CMD_STATUS_SUCCESS)
 699                 return false;
 700
 701         return true;
 702 }
 703
 704 static bool intel_sdvo_get_preferred_input_timing(struct intel_output *output,
 705                                                   struct intel_sdvo_dtd *dtd)
 706 {
 707         bool status;
 708
 709         intel_sdvo_write_cmd(output, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
 710                              NULL, 0);
 711
 712         status = intel_sdvo_read_response(output, &dtd->part1,
 713                                           sizeof(dtd->part1));
 714         if (status != SDVO_CMD_STATUS_SUCCESS)
 715                 return false;
 716
 717         intel_sdvo_write_cmd(output, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
 718                              NULL, 0);
 719
 720         status = intel_sdvo_read_response(output, &dtd->part2,
 721                                           sizeof(dtd->part2));
 722         if (status != SDVO_CMD_STATUS_SUCCESS)
 723                 return false;
 724
 725         return false;
 726 }
 727
 728 static int intel_sdvo_get_clock_rate_mult(struct intel_output *intel_output)
 729 {
 730         u8 response, status;
 731
 732         intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_CLOCK_RATE_MULT, NULL, 0);
 733         status = intel_sdvo_read_response(intel_output, &response, 1);
 734
 735         if (status != SDVO_CMD_STATUS_SUCCESS) {
 736                 DRM_DEBUG_KMS("Couldn't get SDVO clock rate multiplier\n");
 737                 return SDVO_CLOCK_RATE_MULT_1X;
 738         } else {
 739                 DRM_DEBUG_KMS("Current clock rate multiplier: %d\n", response);
 740         }
 741
 742         return response;
 743 }
 744
 745 static bool intel_sdvo_set_clock_rate_mult(struct intel_output *intel_output, u8 val)
 746 {
 747         u8 status;
 748
 749         intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
 750         status = intel_sdvo_read_response(intel_output, NULL, 0);
 751         if (status != SDVO_CMD_STATUS_SUCCESS)
 752                 return false;
 753
 754         return true;
 755 }
 756
 757 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
 758                                          struct drm_display_mode *mode)
 759 {
 760         uint16_t width, height;
 761         uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
 762         uint16_t h_sync_offset, v_sync_offset;
 763
 764         width = mode->crtc_hdisplay;
 765         height = mode->crtc_vdisplay;
 766
 767         /* do some mode translations */
 768         h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
 769         h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
 770
 771         v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
 772         v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
 773
 774         h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
 775         v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
 776
 777         dtd->part1.clock = mode->clock / 10;
 778         dtd->part1.h_active = width & 0xff;
 779         dtd->part1.h_blank = h_blank_len & 0xff;
 780         dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
 781                 ((h_blank_len >> 8) & 0xf);
 782         dtd->part1.v_active = height & 0xff;
 783         dtd->part1.v_blank = v_blank_len & 0xff;
 784         dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
 785                 ((v_blank_len >> 8) & 0xf);
 786
 787         dtd->part2.h_sync_off = h_sync_offset & 0xff;
 788         dtd->part2.h_sync_width = h_sync_len & 0xff;
 789         dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
 790                 (v_sync_len & 0xf);
 791         dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
 792                 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
 793                 ((v_sync_len & 0x30) >> 4);
 794
 795         dtd->part2.dtd_flags = 0x18;
 796         if (mode->flags & DRM_MODE_FLAG_PHSYNC)
 797                 dtd->part2.dtd_flags |= 0x2;
 798         if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 799                 dtd->part2.dtd_flags |= 0x4;
 800
 801         dtd->part2.sdvo_flags = 0;
 802         dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
 803         dtd->part2.reserved = 0;
 804 }
 805
 806 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
 807                                          struct intel_sdvo_dtd *dtd)
 808 {
 809         mode->hdisplay = dtd->part1.h_active;
 810         mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
 811         mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
 812         mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
 813         mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
 814         mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
 815         mode->htotal = mode->hdisplay + dtd->part1.h_blank;
 816         mode->htotal += (dtd->part1.h_high & 0xf) << 8;
 817
 818         mode->vdisplay = dtd->part1.v_active;
 819         mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
 820         mode->vsync_start = mode->vdisplay;
 821         mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
 822         mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
 823         mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
 824         mode->vsync_end = mode->vsync_start +
 825                 (dtd->part2.v_sync_off_width & 0xf);
 826         mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
 827         mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
 828         mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
 829
 830         mode->clock = dtd->part1.clock * 10;
 831
 832         mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
 833         if (dtd->part2.dtd_flags & 0x2)
 834                 mode->flags |= DRM_MODE_FLAG_PHSYNC;
 835         if (dtd->part2.dtd_flags & 0x4)
 836                 mode->flags |= DRM_MODE_FLAG_PVSYNC;
 837 }
 838
 839 static bool intel_sdvo_get_supp_encode(struct intel_output *output,
 840                                        struct intel_sdvo_encode *encode)
 841 {
 842         uint8_t status;
 843
 844         intel_sdvo_write_cmd(output, SDVO_CMD_GET_SUPP_ENCODE, NULL, 0);
 845         status = intel_sdvo_read_response(output, encode, sizeof(*encode));
 846         if (status != SDVO_CMD_STATUS_SUCCESS) { /* non-support means DVI */
 847                 memset(encode, 0, sizeof(*encode));
 848                 return false;
 849         }
 850
 851         return true;
 852 }
 853
 854 static bool intel_sdvo_set_encode(struct intel_output *output, uint8_t mode)
 855 {
 856         uint8_t status;
 857
 858         intel_sdvo_write_cmd(output, SDVO_CMD_SET_ENCODE, &mode, 1);
 859         status = intel_sdvo_read_response(output, NULL, 0);
 860
 861         return (status == SDVO_CMD_STATUS_SUCCESS);
 862 }
 863
 864 static bool intel_sdvo_set_colorimetry(struct intel_output *output,
 865                                        uint8_t mode)
 866 {
 867         uint8_t status;
 868
 869         intel_sdvo_write_cmd(output, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
 870         status = intel_sdvo_read_response(output, NULL, 0);
 871
 872         return (status == SDVO_CMD_STATUS_SUCCESS);
 873 }
 874
 875 #if 0
 876 static void intel_sdvo_dump_hdmi_buf(struct intel_output *output)
 877 {
 878         int i, j;
 879         uint8_t set_buf_index[2];
 880         uint8_t av_split;
 881         uint8_t buf_size;
 882         uint8_t buf[48];
 883         uint8_t *pos;
 884
 885         intel_sdvo_write_cmd(output, SDVO_CMD_GET_HBUF_AV_SPLIT, NULL, 0);
 886         intel_sdvo_read_response(output, &av_split, 1);
 887
 888         for (i = 0; i <= av_split; i++) {
 889                 set_buf_index[0] = i; set_buf_index[1] = 0;
 890                 intel_sdvo_write_cmd(output, SDVO_CMD_SET_HBUF_INDEX,
 891                                      set_buf_index, 2);
 892                 intel_sdvo_write_cmd(output, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
 893                 intel_sdvo_read_response(output, &buf_size, 1);
 894
 895                 pos = buf;
 896                 for (j = 0; j <= buf_size; j += 8) {
 897                         intel_sdvo_write_cmd(output, SDVO_CMD_GET_HBUF_DATA,
 898                                              NULL, 0);
 899                         intel_sdvo_read_response(output, pos, 8);
 900                         pos += 8;
 901                 }
 902         }
 903 }
 904 #endif
 905
 906 static void intel_sdvo_set_hdmi_buf(struct intel_output *output, int index,
 907                                 uint8_t *data, int8_t size, uint8_t tx_rate)
 908 {
 909     uint8_t set_buf_index[2];
 910
 911     set_buf_index[0] = index;
 912     set_buf_index[1] = 0;
 913
 914     intel_sdvo_write_cmd(output, SDVO_CMD_SET_HBUF_INDEX, set_buf_index, 2);
 915
 916     for (; size > 0; size -= 8) {
 917         intel_sdvo_write_cmd(output, SDVO_CMD_SET_HBUF_DATA, data, 8);
 918         data += 8;
 919     }
 920
 921     intel_sdvo_write_cmd(output, SDVO_CMD_SET_HBUF_TXRATE, &tx_rate, 1);
 922 }
 923
 924 static uint8_t intel_sdvo_calc_hbuf_csum(uint8_t *data, uint8_t size)
 925 {
 926         uint8_t csum = 0;
 927         int i;
 928
 929         for (i = 0; i < size; i++)
 930                 csum += data[i];
 931
 932         return 0x100 - csum;
 933 }
 934
 935 #define DIP_TYPE_AVI    0x82
 936 #define DIP_VERSION_AVI 0x2
 937 #define DIP_LEN_AVI     13
 938
 939 struct dip_infoframe {
 940         uint8_t type;
 941         uint8_t version;
 942         uint8_t len;
 943         uint8_t checksum;
 944         union {
 945                 struct {
 946                         /* Packet Byte #1 */
 947                         uint8_t S:2;
 948                         uint8_t B:2;
 949                         uint8_t A:1;
 950                         uint8_t Y:2;
 951                         uint8_t rsvd1:1;
 952                         /* Packet Byte #2 */
 953                         uint8_t R:4;
 954                         uint8_t M:2;
 955                         uint8_t C:2;
 956                         /* Packet Byte #3 */
 957                         uint8_t SC:2;
 958                         uint8_t Q:2;
 959                         uint8_t EC:3;
 960                         uint8_t ITC:1;
 961                         /* Packet Byte #4 */
 962                         uint8_t VIC:7;
 963                         uint8_t rsvd2:1;
 964                         /* Packet Byte #5 */
 965                         uint8_t PR:4;
 966                         uint8_t rsvd3:4;
 967                         /* Packet Byte #6~13 */
 968                         uint16_t top_bar_end;
 969                         uint16_t bottom_bar_start;
 970                         uint16_t left_bar_end;
 971                         uint16_t right_bar_start;
 972                 } avi;
 973                 struct {
 974                         /* Packet Byte #1 */
 975                         uint8_t channel_count:3;
 976                         uint8_t rsvd1:1;
 977                         uint8_t coding_type:4;
 978                         /* Packet Byte #2 */
 979                         uint8_t sample_size:2; /* SS0, SS1 */
 980                         uint8_t sample_frequency:3;
 981                         uint8_t rsvd2:3;
 982                         /* Packet Byte #3 */
 983                         uint8_t coding_type_private:5;
 984                         uint8_t rsvd3:3;
 985                         /* Packet Byte #4 */
 986                         uint8_t channel_allocation;
 987                         /* Packet Byte #5 */
 988                         uint8_t rsvd4:3;
 989                         uint8_t level_shift:4;
 990                         uint8_t downmix_inhibit:1;
 991                 } audio;
 992                 uint8_t payload[28];
 993         } __attribute__ ((packed)) u;
 994 } __attribute__((packed));
 995
 996 static void intel_sdvo_set_avi_infoframe(struct intel_output *output,
 997                                          struct drm_display_mode * mode)
 998 {
 999         struct dip_infoframe avi_if = {
1000                 .type = DIP_TYPE_AVI,
1001                 .version = DIP_VERSION_AVI,
1002                 .len = DIP_LEN_AVI,
1003         };
1004
1005         avi_if.checksum = intel_sdvo_calc_hbuf_csum((uint8_t *)&avi_if,
1006                                                     4 + avi_if.len);
1007         intel_sdvo_set_hdmi_buf(output, 1, (uint8_t *)&avi_if, 4 + avi_if.len,
1008                                 SDVO_HBUF_TX_VSYNC);
1009 }
1010
1011 static void intel_sdvo_set_tv_format(struct intel_output *output)
1012 {
1013
1014         struct intel_sdvo_tv_format format;
1015         struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
1016         uint32_t format_map, i;
1017         uint8_t status;
1018
1019         for (i = 0; i < TV_FORMAT_NUM; i++)
1020                 if (tv_format_names[i] == sdvo_priv->tv_format_name)
1021                         break;
1022
1023         format_map = 1 << i;
1024         memset(&format, 0, sizeof(format));
1025         memcpy(&format, &format_map, sizeof(format_map) > sizeof(format) ?
1026                         sizeof(format) : sizeof(format_map));
1027
1028         intel_sdvo_write_cmd(output, SDVO_CMD_SET_TV_FORMAT, &format_map,
1029                              sizeof(format));
1030
1031         status = intel_sdvo_read_response(output, NULL, 0);
1032         if (status != SDVO_CMD_STATUS_SUCCESS)
1033                 DRM_DEBUG_KMS("%s: Failed to set TV format\n",
1034                           SDVO_NAME(sdvo_priv));
1035 }
1036
1037 static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
1038                                   struct drm_display_mode *mode,
1039                                   struct drm_display_mode *adjusted_mode)
1040 {
1041         struct intel_output *output = enc_to_intel_output(encoder);
1042         struct intel_sdvo_priv *dev_priv = output->dev_priv;
1043
1044         if (dev_priv->is_tv) {
1045                 struct intel_sdvo_dtd output_dtd;
1046                 bool success;
1047
1048                 /* We need to construct preferred input timings based on our
1049                  * output timings.  To do that, we have to set the output
1050                  * timings, even though this isn't really the right place in
1051                  * the sequence to do it. Oh well.
1052                  */
1053
1054
1055                 /* Set output timings */
1056                 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1057                 intel_sdvo_set_target_output(output,
1058                                              dev_priv->controlled_output);
1059                 intel_sdvo_set_output_timing(output, &output_dtd);
1060
1061                 /* Set the input timing to the screen. Assume always input 0. */
1062                 intel_sdvo_set_target_input(output, true, false);
1063
1064
1065                 success = intel_sdvo_create_preferred_input_timing(output,
1066                                                                    mode->clock / 10,
1067                                                                    mode->hdisplay,
1068                                                                    mode->vdisplay);
1069                 if (success) {
1070                         struct intel_sdvo_dtd input_dtd;
1071
1072                         intel_sdvo_get_preferred_input_timing(output,
1073                                                              &input_dtd);
1074                         intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
1075                         dev_priv->sdvo_flags = input_dtd.part2.sdvo_flags;
1076
1077                         drm_mode_set_crtcinfo(adjusted_mode, 0);
1078
1079                         mode->clock = adjusted_mode->clock;
1080
1081                         adjusted_mode->clock *=
1082                                 intel_sdvo_get_pixel_multiplier(mode);
1083                 } else {
1084                         return false;
1085                 }
1086         } else if (dev_priv->is_lvds) {
1087                 struct intel_sdvo_dtd output_dtd;
1088                 bool success;
1089
1090                 drm_mode_set_crtcinfo(dev_priv->sdvo_lvds_fixed_mode, 0);
1091                 /* Set output timings */
1092                 intel_sdvo_get_dtd_from_mode(&output_dtd,
1093                                 dev_priv->sdvo_lvds_fixed_mode);
1094
1095                 intel_sdvo_set_target_output(output,
1096                                              dev_priv->controlled_output);
1097                 intel_sdvo_set_output_timing(output, &output_dtd);
1098
1099                 /* Set the input timing to the screen. Assume always input 0. */
1100                 intel_sdvo_set_target_input(output, true, false);
1101
1102
1103                 success = intel_sdvo_create_preferred_input_timing(
1104                                 output,
1105                                 mode->clock / 10,
1106                                 mode->hdisplay,
1107                                 mode->vdisplay);
1108
1109                 if (success) {
1110                         struct intel_sdvo_dtd input_dtd;
1111
1112                         intel_sdvo_get_preferred_input_timing(output,
1113                                                              &input_dtd);
1114                         intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
1115                         dev_priv->sdvo_flags = input_dtd.part2.sdvo_flags;
1116
1117                         drm_mode_set_crtcinfo(adjusted_mode, 0);
1118
1119                         mode->clock = adjusted_mode->clock;
1120
1121                         adjusted_mode->clock *=
1122                                 intel_sdvo_get_pixel_multiplier(mode);
1123                 } else {
1124                         return false;
1125                 }
1126
1127         } else {
1128                 /* Make the CRTC code factor in the SDVO pixel multiplier.  The
1129                  * SDVO device will be told of the multiplier during mode_set.
1130                  */
1131                 adjusted_mode->clock *= intel_sdvo_get_pixel_multiplier(mode);
1132         }
1133         return true;
1134 }
1135
1136 static void intel_sdvo_mode_set(struct drm_encoder *encoder,
1137                                 struct drm_display_mode *mode,
1138                                 struct drm_display_mode *adjusted_mode)
1139 {
1140         struct drm_device *dev = encoder->dev;
1141         struct drm_i915_private *dev_priv = dev->dev_private;
1142         struct drm_crtc *crtc = encoder->crtc;
1143         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
1144         struct intel_output *output = enc_to_intel_output(encoder);
1145         struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
1146         u32 sdvox = 0;
1147         int sdvo_pixel_multiply;
1148         struct intel_sdvo_in_out_map in_out;
1149         struct intel_sdvo_dtd input_dtd;
1150         u8 status;
1151
1152         if (!mode)
1153                 return;
1154
1155         /* First, set the input mapping for the first input to our controlled
1156          * output. This is only correct if we're a single-input device, in
1157          * which case the first input is the output from the appropriate SDVO
1158          * channel on the motherboard.  In a two-input device, the first input
1159          * will be SDVOB and the second SDVOC.
1160          */
1161         in_out.in0 = sdvo_priv->controlled_output;
1162         in_out.in1 = 0;
1163
1164         intel_sdvo_write_cmd(output, SDVO_CMD_SET_IN_OUT_MAP,
1165                              &in_out, sizeof(in_out));
1166         status = intel_sdvo_read_response(output, NULL, 0);
1167
1168         if (sdvo_priv->is_hdmi) {
1169                 intel_sdvo_set_avi_infoframe(output, mode);
1170                 sdvox |= SDVO_AUDIO_ENABLE;
1171         }
1172
1173         /* We have tried to get input timing in mode_fixup, and filled into
1174            adjusted_mode */
1175         if (sdvo_priv->is_tv || sdvo_priv->is_lvds) {
1176                 intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1177                 input_dtd.part2.sdvo_flags = sdvo_priv->sdvo_flags;
1178         } else
1179                 intel_sdvo_get_dtd_from_mode(&input_dtd, mode);
1180
1181         /* If it's a TV, we already set the output timing in mode_fixup.
1182          * Otherwise, the output timing is equal to the input timing.
1183          */
1184         if (!sdvo_priv->is_tv && !sdvo_priv->is_lvds) {
1185                 /* Set the output timing to the screen */
1186                 intel_sdvo_set_target_output(output,
1187                                              sdvo_priv->controlled_output);
1188                 intel_sdvo_set_output_timing(output, &input_dtd);
1189         }
1190
1191         /* Set the input timing to the screen. Assume always input 0. */
1192         intel_sdvo_set_target_input(output, true, false);
1193
1194         if (sdvo_priv->is_tv)
1195                 intel_sdvo_set_tv_format(output);
1196
1197         /* We would like to use intel_sdvo_create_preferred_input_timing() to
1198          * provide the device with a timing it can support, if it supports that
1199          * feature.  However, presumably we would need to adjust the CRTC to
1200          * output the preferred timing, and we don't support that currently.
1201          */
1202 #if 0
1203         success = intel_sdvo_create_preferred_input_timing(output, clock,
1204                                                            width, height);
1205         if (success) {
1206                 struct intel_sdvo_dtd *input_dtd;
1207
1208                 intel_sdvo_get_preferred_input_timing(output, &input_dtd);
1209                 intel_sdvo_set_input_timing(output, &input_dtd);
1210         }
1211 #else
1212         intel_sdvo_set_input_timing(output, &input_dtd);
1213 #endif
1214
1215         switch (intel_sdvo_get_pixel_multiplier(mode)) {
1216         case 1:
1217                 intel_sdvo_set_clock_rate_mult(output,
1218                                                SDVO_CLOCK_RATE_MULT_1X);
1219                 break;
1220         case 2:
1221                 intel_sdvo_set_clock_rate_mult(output,
1222                                                SDVO_CLOCK_RATE_MULT_2X);
1223                 break;
1224         case 4:
1225                 intel_sdvo_set_clock_rate_mult(output,
1226                                                SDVO_CLOCK_RATE_MULT_4X);
1227                 break;
1228         }
1229
1230         /* Set the SDVO control regs. */
1231         if (IS_I965G(dev)) {
1232                 sdvox |= SDVO_BORDER_ENABLE |
1233                         SDVO_VSYNC_ACTIVE_HIGH |
1234                         SDVO_HSYNC_ACTIVE_HIGH;
1235         } else {
1236                 sdvox |= I915_READ(sdvo_priv->output_device);
1237                 switch (sdvo_priv->output_device) {
1238                 case SDVOB:
1239                         sdvox &= SDVOB_PRESERVE_MASK;
1240                         break;
1241                 case SDVOC:
1242                         sdvox &= SDVOC_PRESERVE_MASK;
1243                         break;
1244                 }
1245                 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1246         }
1247         if (intel_crtc->pipe == 1)
1248                 sdvox |= SDVO_PIPE_B_SELECT;
1249
1250         sdvo_pixel_multiply = intel_sdvo_get_pixel_multiplier(mode);
1251         if (IS_I965G(dev)) {
1252                 /* done in crtc_mode_set as the dpll_md reg must be written early */
1253         } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1254                 /* done in crtc_mode_set as it lives inside the dpll register */
1255         } else {
1256                 sdvox |= (sdvo_pixel_multiply - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1257         }
1258
1259         if (sdvo_priv->sdvo_flags & SDVO_NEED_TO_STALL)
1260                 sdvox |= SDVO_STALL_SELECT;
1261         intel_sdvo_write_sdvox(output, sdvox);
1262 }
1263
1264 static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1265 {
1266         struct drm_device *dev = encoder->dev;
1267         struct drm_i915_private *dev_priv = dev->dev_private;
1268         struct intel_output *intel_output = enc_to_intel_output(encoder);
1269         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1270         u32 temp;
1271
1272         if (mode != DRM_MODE_DPMS_ON) {
1273                 intel_sdvo_set_active_outputs(intel_output, 0);
1274                 if (0)
1275                         intel_sdvo_set_encoder_power_state(intel_output, mode);
1276
1277                 if (mode == DRM_MODE_DPMS_OFF) {
1278                         temp = I915_READ(sdvo_priv->output_device);
1279                         if ((temp & SDVO_ENABLE) != 0) {
1280                                 intel_sdvo_write_sdvox(intel_output, temp & ~SDVO_ENABLE);
1281                         }
1282                 }
1283         } else {
1284                 bool input1, input2;
1285                 int i;
1286                 u8 status;
1287
1288                 temp = I915_READ(sdvo_priv->output_device);
1289                 if ((temp & SDVO_ENABLE) == 0)
1290                         intel_sdvo_write_sdvox(intel_output, temp | SDVO_ENABLE);
1291                 for (i = 0; i < 2; i++)
1292                   intel_wait_for_vblank(dev);
1293
1294                 status = intel_sdvo_get_trained_inputs(intel_output, &input1,
1295                                                        &input2);
1296
1297
1298                 /* Warn if the device reported failure to sync.
1299                  * A lot of SDVO devices fail to notify of sync, but it's
1300                  * a given it the status is a success, we succeeded.
1301                  */
1302                 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1303                         DRM_DEBUG_KMS("First %s output reported failure to "
1304                                         "sync\n", SDVO_NAME(sdvo_priv));
1305                 }
1306
1307                 if (0)
1308                         intel_sdvo_set_encoder_power_state(intel_output, mode);
1309                 intel_sdvo_set_active_outputs(intel_output, sdvo_priv->controlled_output);
1310         }
1311         return;
1312 }
1313
1314 static void intel_sdvo_save(struct drm_connector *connector)
1315 {
1316         struct drm_device *dev = connector->dev;
1317         struct drm_i915_private *dev_priv = dev->dev_private;
1318         struct intel_output *intel_output = to_intel_output(connector);
1319         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1320         int o;
1321
1322         sdvo_priv->save_sdvo_mult = intel_sdvo_get_clock_rate_mult(intel_output);
1323         intel_sdvo_get_active_outputs(intel_output, &sdvo_priv->save_active_outputs);
1324
1325         if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) {
1326                 intel_sdvo_set_target_input(intel_output, true, false);
1327                 intel_sdvo_get_input_timing(intel_output,
1328                                             &sdvo_priv->save_input_dtd_1);
1329         }
1330
1331         if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) {
1332                 intel_sdvo_set_target_input(intel_output, false, true);
1333                 intel_sdvo_get_input_timing(intel_output,
1334                                             &sdvo_priv->save_input_dtd_2);
1335         }
1336
1337         for (o = SDVO_OUTPUT_FIRST; o <= SDVO_OUTPUT_LAST; o++)
1338         {
1339                 u16  this_output = (1 << o);
1340                 if (sdvo_priv->caps.output_flags & this_output)
1341                 {
1342                         intel_sdvo_set_target_output(intel_output, this_output);
1343                         intel_sdvo_get_output_timing(intel_output,
1344                                                      &sdvo_priv->save_output_dtd[o]);
1345                 }
1346         }
1347         if (sdvo_priv->is_tv) {
1348                 /* XXX: Save TV format/enhancements. */
1349         }
1350
1351         sdvo_priv->save_SDVOX = I915_READ(sdvo_priv->output_device);
1352 }
1353
1354 static void intel_sdvo_restore(struct drm_connector *connector)
1355 {
1356         struct drm_device *dev = connector->dev;
1357         struct intel_output *intel_output = to_intel_output(connector);
1358         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1359         int o;
1360         int i;
1361         bool input1, input2;
1362         u8 status;
1363
1364         intel_sdvo_set_active_outputs(intel_output, 0);
1365
1366         for (o = SDVO_OUTPUT_FIRST; o <= SDVO_OUTPUT_LAST; o++)
1367         {
1368                 u16  this_output = (1 << o);
1369                 if (sdvo_priv->caps.output_flags & this_output) {
1370                         intel_sdvo_set_target_output(intel_output, this_output);
1371                         intel_sdvo_set_output_timing(intel_output, &sdvo_priv->save_output_dtd[o]);
1372                 }
1373         }
1374
1375         if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) {
1376                 intel_sdvo_set_target_input(intel_output, true, false);
1377                 intel_sdvo_set_input_timing(intel_output, &sdvo_priv->save_input_dtd_1);
1378         }
1379
1380         if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) {
1381                 intel_sdvo_set_target_input(intel_output, false, true);
1382                 intel_sdvo_set_input_timing(intel_output, &sdvo_priv->save_input_dtd_2);
1383         }
1384
1385         intel_sdvo_set_clock_rate_mult(intel_output, sdvo_priv->save_sdvo_mult);
1386
1387         if (sdvo_priv->is_tv) {
1388                 /* XXX: Restore TV format/enhancements. */
1389         }
1390
1391         intel_sdvo_write_sdvox(intel_output, sdvo_priv->save_SDVOX);
1392
1393         if (sdvo_priv->save_SDVOX & SDVO_ENABLE)
1394         {
1395                 for (i = 0; i < 2; i++)
1396                         intel_wait_for_vblank(dev);
1397                 status = intel_sdvo_get_trained_inputs(intel_output, &input1, &input2);
1398                 if (status == SDVO_CMD_STATUS_SUCCESS && !input1)
1399                         DRM_DEBUG_KMS("First %s output reported failure to "
1400                                         "sync\n", SDVO_NAME(sdvo_priv));
1401         }
1402
1403         intel_sdvo_set_active_outputs(intel_output, sdvo_priv->save_active_outputs);
1404 }
1405
1406 static int intel_sdvo_mode_valid(struct drm_connector *connector,
1407                                  struct drm_display_mode *mode)
1408 {
1409         struct intel_output *intel_output = to_intel_output(connector);
1410         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1411
1412         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1413                 return MODE_NO_DBLESCAN;
1414
1415         if (sdvo_priv->pixel_clock_min > mode->clock)
1416                 return MODE_CLOCK_LOW;
1417
1418         if (sdvo_priv->pixel_clock_max < mode->clock)
1419                 return MODE_CLOCK_HIGH;
1420
1421         if (sdvo_priv->is_lvds == true) {
1422                 if (sdvo_priv->sdvo_lvds_fixed_mode == NULL)
1423                         return MODE_PANEL;
1424
1425                 if (mode->hdisplay > sdvo_priv->sdvo_lvds_fixed_mode->hdisplay)
1426                         return MODE_PANEL;
1427
1428                 if (mode->vdisplay > sdvo_priv->sdvo_lvds_fixed_mode->vdisplay)
1429                         return MODE_PANEL;
1430         }
1431
1432         return MODE_OK;
1433 }
1434
1435 static bool intel_sdvo_get_capabilities(struct intel_output *intel_output, struct intel_sdvo_caps *caps)
1436 {
1437         u8 status;
1438
1439         intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_DEVICE_CAPS, NULL, 0);
1440         status = intel_sdvo_read_response(intel_output, caps, sizeof(*caps));
1441         if (status != SDVO_CMD_STATUS_SUCCESS)
1442                 return false;
1443
1444         return true;
1445 }
1446
1447 struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB)
1448 {
1449         struct drm_connector *connector = NULL;
1450         struct intel_output *iout = NULL;
1451         struct intel_sdvo_priv *sdvo;
1452
1453         /* find the sdvo connector */
1454         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1455                 iout = to_intel_output(connector);
1456
1457                 if (iout->type != INTEL_OUTPUT_SDVO)
1458                         continue;
1459
1460                 sdvo = iout->dev_priv;
1461
1462                 if (sdvo->output_device == SDVOB && sdvoB)
1463                         return connector;
1464
1465                 if (sdvo->output_device == SDVOC && !sdvoB)
1466                         return connector;
1467
1468         }
1469
1470         return NULL;
1471 }
1472
1473 int intel_sdvo_supports_hotplug(struct drm_connector *connector)
1474 {
1475         u8 response[2];
1476         u8 status;
1477         struct intel_output *intel_output;
1478         DRM_DEBUG_KMS("\n");
1479
1480         if (!connector)
1481                 return 0;
1482
1483         intel_output = to_intel_output(connector);
1484
1485         intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
1486         status = intel_sdvo_read_response(intel_output, &response, 2);
1487
1488         if (response[0] !=0)
1489                 return 1;
1490
1491         return 0;
1492 }
1493
1494 void intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
1495 {
1496         u8 response[2];
1497         u8 status;
1498         struct intel_output *intel_output = to_intel_output(connector);
1499
1500         intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1501         intel_sdvo_read_response(intel_output, &response, 2);
1502
1503         if (on) {
1504                 intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
1505                 status = intel_sdvo_read_response(intel_output, &response, 2);
1506
1507                 intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1508         } else {
1509                 response[0] = 0;
1510                 response[1] = 0;
1511                 intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1512         }
1513
1514         intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1515         intel_sdvo_read_response(intel_output, &response, 2);
1516 }
1517
1518 static bool
1519 intel_sdvo_multifunc_encoder(struct intel_output *intel_output)
1520 {
1521         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1522         int caps = 0;
1523
1524         if (sdvo_priv->caps.output_flags &
1525                 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
1526                 caps++;
1527         if (sdvo_priv->caps.output_flags &
1528                 (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1))
1529                 caps++;
1530         if (sdvo_priv->caps.output_flags &
1531                 (SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_SVID1))
1532                 caps++;
1533         if (sdvo_priv->caps.output_flags &
1534                 (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_CVBS1))
1535                 caps++;
1536         if (sdvo_priv->caps.output_flags &
1537                 (SDVO_OUTPUT_YPRPB0 | SDVO_OUTPUT_YPRPB1))
1538                 caps++;
1539
1540         if (sdvo_priv->caps.output_flags &
1541                 (SDVO_OUTPUT_SCART0 | SDVO_OUTPUT_SCART1))
1542                 caps++;
1543
1544         if (sdvo_priv->caps.output_flags &
1545                 (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1))
1546                 caps++;
1547
1548         return (caps > 1);
1549 }
1550
1551 static struct drm_connector *
1552 intel_find_analog_connector(struct drm_device *dev)
1553 {
1554         struct drm_connector *connector;
1555         struct intel_output *intel_output;
1556
1557         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1558                 intel_output = to_intel_output(connector);
1559                 if (intel_output->type == INTEL_OUTPUT_ANALOG)
1560                         return connector;
1561         }
1562         return NULL;
1563 }
1564
1565 static int
1566 intel_analog_is_connected(struct drm_device *dev)
1567 {
1568         struct drm_connector *analog_connector;
1569         analog_connector = intel_find_analog_connector(dev);
1570
1571         if (!analog_connector)
1572                 return false;
1573
1574         if (analog_connector->funcs->detect(analog_connector) ==
1575                         connector_status_disconnected)
1576                 return false;
1577
1578         return true;
1579 }
1580
1581 enum drm_connector_status
1582 intel_sdvo_hdmi_sink_detect(struct drm_connector *connector, u16 response)
1583 {
1584         struct intel_output *intel_output = to_intel_output(connector);
1585         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1586         enum drm_connector_status status = connector_status_connected;
1587         struct edid *edid = NULL;
1588
1589         edid = drm_get_edid(&intel_output->base,
1590                             intel_output->ddc_bus);
1591
1592         /* when there is no edid and no monitor is connected with VGA
1593          * port, try to use the CRT ddc to read the EDID for DVI-connector
1594          */
1595         if (edid == NULL &&
1596             sdvo_priv->analog_ddc_bus &&
1597             !intel_analog_is_connected(intel_output->base.dev))
1598                 edid = drm_get_edid(&intel_output->base,
1599                                     sdvo_priv->analog_ddc_bus);
1600         if (edid != NULL) {
1601                 /* Don't report the output as connected if it's a DVI-I
1602                  * connector with a non-digital EDID coming out.
1603                  */
1604                 if (response & (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)) {
1605                         if (edid->input & DRM_EDID_INPUT_DIGITAL)
1606                                 sdvo_priv->is_hdmi =
1607                                         drm_detect_hdmi_monitor(edid);
1608                         else
1609                                 status = connector_status_disconnected;
1610                 }
1611
1612                 kfree(edid);
1613                 intel_output->base.display_info.raw_edid = NULL;
1614
1615         } else if (response & (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
1616                 status = connector_status_disconnected;
1617
1618         return status;
1619 }
1620
1621 static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connector)
1622 {
1623         uint16_t response;
1624         u8 status;
1625         struct intel_output *intel_output = to_intel_output(connector);
1626         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1627
1628         intel_sdvo_write_cmd(intel_output,
1629                              SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0);
1630         status = intel_sdvo_read_response(intel_output, &response, 2);
1631
1632         DRM_DEBUG_KMS("SDVO response %d %d\n", response & 0xff, response >> 8);
1633
1634         if (status != SDVO_CMD_STATUS_SUCCESS)
1635                 return connector_status_unknown;
1636
1637         if (response == 0)
1638                 return connector_status_disconnected;
1639
1640         if (intel_sdvo_multifunc_encoder(intel_output) &&
1641                 sdvo_priv->attached_output != response) {
1642                 if (sdvo_priv->controlled_output != response &&
1643                         intel_sdvo_output_setup(intel_output, response) != true)
1644                         return connector_status_unknown;
1645                 sdvo_priv->attached_output = response;
1646         }
1647         return intel_sdvo_hdmi_sink_detect(connector, response);
1648 }
1649
1650 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1651 {
1652         struct intel_output *intel_output = to_intel_output(connector);
1653         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1654         int num_modes;
1655
1656         /* set the bus switch and get the modes */
1657         num_modes = intel_ddc_get_modes(intel_output);
1658
1659         /*
1660          * Mac mini hack.  On this device, the DVI-I connector shares one DDC
1661          * link between analog and digital outputs. So, if the regular SDVO
1662          * DDC fails, check to see if the analog output is disconnected, in
1663          * which case we'll look there for the digital DDC data.
1664          */
1665         if (num_modes == 0 &&
1666             sdvo_priv->analog_ddc_bus &&
1667             !intel_analog_is_connected(intel_output->base.dev)) {
1668                 struct i2c_adapter *digital_ddc_bus;
1669
1670                 /* Switch to the analog ddc bus and try that
1671                  */
1672                 digital_ddc_bus = intel_output->ddc_bus;
1673                 intel_output->ddc_bus = sdvo_priv->analog_ddc_bus;
1674
1675                 (void) intel_ddc_get_modes(intel_output);
1676
1677                 intel_output->ddc_bus = digital_ddc_bus;
1678         }
1679 }
1680
1681 /*
1682  * Set of SDVO TV modes.
1683  * Note!  This is in reply order (see loop in get_tv_modes).
1684  * XXX: all 60Hz refresh?
1685  */
1686 struct drm_display_mode sdvo_tv_modes[] = {
1687         { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1688                    416, 0, 200, 201, 232, 233, 0,
1689                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1690         { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1691                    416, 0, 240, 241, 272, 273, 0,
1692                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1693         { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1694                    496, 0, 300, 301, 332, 333, 0,
1695                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1696         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1697                    736, 0, 350, 351, 382, 383, 0,
1698                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1699         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1700                    736, 0, 400, 401, 432, 433, 0,
1701                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1702         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1703                    736, 0, 480, 481, 512, 513, 0,
1704                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1705         { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1706                    800, 0, 480, 481, 512, 513, 0,
1707                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1708         { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1709                    800, 0, 576, 577, 608, 609, 0,
1710                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1711         { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1712                    816, 0, 350, 351, 382, 383, 0,
1713                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1714         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1715                    816, 0, 400, 401, 432, 433, 0,
1716                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1717         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1718                    816, 0, 480, 481, 512, 513, 0,
1719                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1720         { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1721                    816, 0, 540, 541, 572, 573, 0,
1722                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1723         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1724                    816, 0, 576, 577, 608, 609, 0,
1725                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1726         { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1727                    864, 0, 576, 577, 608, 609, 0,
1728                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1729         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1730                    896, 0, 600, 601, 632, 633, 0,
1731                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1732         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1733                    928, 0, 624, 625, 656, 657, 0,
1734                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1735         { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1736                    1016, 0, 766, 767, 798, 799, 0,
1737                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1738         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1739                    1120, 0, 768, 769, 800, 801, 0,
1740                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1741         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1742                    1376, 0, 1024, 1025, 1056, 1057, 0,
1743                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1744 };
1745
1746 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1747 {
1748         struct intel_output *output = to_intel_output(connector);
1749         struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
1750         struct intel_sdvo_sdtv_resolution_request tv_res;
1751         uint32_t reply = 0, format_map = 0;
1752         int i;
1753         uint8_t status;
1754
1755
1756         /* Read the list of supported input resolutions for the selected TV
1757          * format.
1758          */
1759         for (i = 0; i < TV_FORMAT_NUM; i++)
1760                 if (tv_format_names[i] ==  sdvo_priv->tv_format_name)
1761                         break;
1762
1763         format_map = (1 << i);
1764         memcpy(&tv_res, &format_map,
1765                sizeof(struct intel_sdvo_sdtv_resolution_request) >
1766                sizeof(format_map) ? sizeof(format_map) :
1767                sizeof(struct intel_sdvo_sdtv_resolution_request));
1768
1769         intel_sdvo_set_target_output(output, sdvo_priv->controlled_output);
1770
1771         intel_sdvo_write_cmd(output, SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1772                              &tv_res, sizeof(tv_res));
1773         status = intel_sdvo_read_response(output, &reply, 3);
1774         if (status != SDVO_CMD_STATUS_SUCCESS)
1775                 return;
1776
1777         for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1778                 if (reply & (1 << i)) {
1779                         struct drm_display_mode *nmode;
1780                         nmode = drm_mode_duplicate(connector->dev,
1781                                         &sdvo_tv_modes[i]);
1782                         if (nmode)
1783                                 drm_mode_probed_add(connector, nmode);
1784                 }
1785
1786 }
1787
1788 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1789 {
1790         struct intel_output *intel_output = to_intel_output(connector);
1791         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1792         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1793         struct drm_display_mode *newmode;
1794
1795         /*
1796          * Attempt to get the mode list from DDC.
1797          * Assume that the preferred modes are
1798          * arranged in priority order.
1799          */
1800         intel_ddc_get_modes(intel_output);
1801         if (list_empty(&connector->probed_modes) == false)
1802                 goto end;
1803
1804         /* Fetch modes from VBT */
1805         if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1806                 newmode = drm_mode_duplicate(connector->dev,
1807                                              dev_priv->sdvo_lvds_vbt_mode);
1808                 if (newmode != NULL) {
1809                         /* Guarantee the mode is preferred */
1810                         newmode->type = (DRM_MODE_TYPE_PREFERRED |
1811                                          DRM_MODE_TYPE_DRIVER);
1812                         drm_mode_probed_add(connector, newmode);
1813                 }
1814         }
1815
1816 end:
1817         list_for_each_entry(newmode, &connector->probed_modes, head) {
1818                 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1819                         sdvo_priv->sdvo_lvds_fixed_mode =
1820                                 drm_mode_duplicate(connector->dev, newmode);
1821                         break;
1822                 }
1823         }
1824
1825 }
1826
1827 static int intel_sdvo_get_modes(struct drm_connector *connector)
1828 {
1829         struct intel_output *output = to_intel_output(connector);
1830         struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
1831
1832         if (sdvo_priv->is_tv)
1833                 intel_sdvo_get_tv_modes(connector);
1834         else if (sdvo_priv->is_lvds == true)
1835                 intel_sdvo_get_lvds_modes(connector);
1836         else
1837                 intel_sdvo_get_ddc_modes(connector);
1838
1839         if (list_empty(&connector->probed_modes))
1840                 return 0;
1841         return 1;
1842 }
1843
1844 static
1845 void intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1846 {
1847         struct intel_output *intel_output = to_intel_output(connector);
1848         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1849         struct drm_device *dev = connector->dev;
1850
1851         if (sdvo_priv->is_tv) {
1852                 if (sdvo_priv->left_property)
1853                         drm_property_destroy(dev, sdvo_priv->left_property);
1854                 if (sdvo_priv->right_property)
1855                         drm_property_destroy(dev, sdvo_priv->right_property);
1856                 if (sdvo_priv->top_property)
1857                         drm_property_destroy(dev, sdvo_priv->top_property);
1858                 if (sdvo_priv->bottom_property)
1859                         drm_property_destroy(dev, sdvo_priv->bottom_property);
1860                 if (sdvo_priv->hpos_property)
1861                         drm_property_destroy(dev, sdvo_priv->hpos_property);
1862                 if (sdvo_priv->vpos_property)
1863                         drm_property_destroy(dev, sdvo_priv->vpos_property);
1864         }
1865         if (sdvo_priv->is_tv) {
1866                 if (sdvo_priv->saturation_property)
1867                         drm_property_destroy(dev,
1868                                         sdvo_priv->saturation_property);
1869                 if (sdvo_priv->contrast_property)
1870                         drm_property_destroy(dev,
1871                                         sdvo_priv->contrast_property);
1872                 if (sdvo_priv->hue_property)
1873                         drm_property_destroy(dev, sdvo_priv->hue_property);
1874         }
1875         if (sdvo_priv->is_tv || sdvo_priv->is_lvds) {
1876                 if (sdvo_priv->brightness_property)
1877                         drm_property_destroy(dev,
1878                                         sdvo_priv->brightness_property);
1879         }
1880         return;
1881 }
1882
1883 static void intel_sdvo_destroy(struct drm_connector *connector)
1884 {
1885         struct intel_output *intel_output = to_intel_output(connector);
1886         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1887
1888         if (intel_output->i2c_bus)
1889                 intel_i2c_destroy(intel_output->i2c_bus);
1890         if (intel_output->ddc_bus)
1891                 intel_i2c_destroy(intel_output->ddc_bus);
1892         if (sdvo_priv->analog_ddc_bus)
1893                 intel_i2c_destroy(sdvo_priv->analog_ddc_bus);
1894
1895         if (sdvo_priv->sdvo_lvds_fixed_mode != NULL)
1896                 drm_mode_destroy(connector->dev,
1897                                  sdvo_priv->sdvo_lvds_fixed_mode);
1898
1899         if (sdvo_priv->tv_format_property)
1900                 drm_property_destroy(connector->dev,
1901                                      sdvo_priv->tv_format_property);
1902
1903         if (sdvo_priv->is_tv || sdvo_priv->is_lvds)
1904                 intel_sdvo_destroy_enhance_property(connector);
1905
1906         drm_sysfs_connector_remove(connector);
1907         drm_connector_cleanup(connector);
1908
1909         kfree(intel_output);
1910 }
1911
1912 static int
1913 intel_sdvo_set_property(struct drm_connector *connector,
1914                         struct drm_property *property,
1915                         uint64_t val)
1916 {
1917         struct intel_output *intel_output = to_intel_output(connector);
1918         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1919         struct drm_encoder *encoder = &intel_output->enc;
1920         struct drm_crtc *crtc = encoder->crtc;
1921         int ret = 0;
1922         bool changed = false;
1923         uint8_t cmd, status;
1924         uint16_t temp_value;
1925
1926         ret = drm_connector_property_set_value(connector, property, val);
1927         if (ret < 0)
1928                 goto out;
1929
1930         if (property == sdvo_priv->tv_format_property) {
1931                 if (val >= TV_FORMAT_NUM) {
1932                         ret = -EINVAL;
1933                         goto out;
1934                 }
1935                 if (sdvo_priv->tv_format_name ==
1936                     sdvo_priv->tv_format_supported[val])
1937                         goto out;
1938
1939                 sdvo_priv->tv_format_name = sdvo_priv->tv_format_supported[val];
1940                 changed = true;
1941         }
1942
1943         if (sdvo_priv->is_tv || sdvo_priv->is_lvds) {
1944                 cmd = 0;
1945                 temp_value = val;
1946                 if (sdvo_priv->left_property == property) {
1947                         drm_connector_property_set_value(connector,
1948                                 sdvo_priv->right_property, val);
1949                         if (sdvo_priv->left_margin == temp_value)
1950                                 goto out;
1951
1952                         sdvo_priv->left_margin = temp_value;
1953                         sdvo_priv->right_margin = temp_value;
1954                         temp_value = sdvo_priv->max_hscan -
1955                                         sdvo_priv->left_margin;
1956                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1957                 } else if (sdvo_priv->right_property == property) {
1958                         drm_connector_property_set_value(connector,
1959                                 sdvo_priv->left_property, val);
1960                         if (sdvo_priv->right_margin == temp_value)
1961                                 goto out;
1962
1963                         sdvo_priv->left_margin = temp_value;
1964                         sdvo_priv->right_margin = temp_value;
1965                         temp_value = sdvo_priv->max_hscan -
1966                                 sdvo_priv->left_margin;
1967                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1968                 } else if (sdvo_priv->top_property == property) {
1969                         drm_connector_property_set_value(connector,
1970                                 sdvo_priv->bottom_property, val);
1971                         if (sdvo_priv->top_margin == temp_value)
1972                                 goto out;
1973
1974                         sdvo_priv->top_margin = temp_value;
1975                         sdvo_priv->bottom_margin = temp_value;
1976                         temp_value = sdvo_priv->max_vscan -
1977                                         sdvo_priv->top_margin;
1978                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1979                 } else if (sdvo_priv->bottom_property == property) {
1980                         drm_connector_property_set_value(connector,
1981                                 sdvo_priv->top_property, val);
1982                         if (sdvo_priv->bottom_margin == temp_value)
1983                                 goto out;
1984                         sdvo_priv->top_margin = temp_value;
1985                         sdvo_priv->bottom_margin = temp_value;
1986                         temp_value = sdvo_priv->max_vscan -
1987                                         sdvo_priv->top_margin;
1988                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1989                 } else if (sdvo_priv->hpos_property == property) {
1990                         if (sdvo_priv->cur_hpos == temp_value)
1991                                 goto out;
1992
1993                         cmd = SDVO_CMD_SET_POSITION_H;
1994                         sdvo_priv->cur_hpos = temp_value;
1995                 } else if (sdvo_priv->vpos_property == property) {
1996                         if (sdvo_priv->cur_vpos == temp_value)
1997                                 goto out;
1998
1999                         cmd = SDVO_CMD_SET_POSITION_V;
2000                         sdvo_priv->cur_vpos = temp_value;
2001                 } else if (sdvo_priv->saturation_property == property) {
2002                         if (sdvo_priv->cur_saturation == temp_value)
2003                                 goto out;
2004
2005                         cmd = SDVO_CMD_SET_SATURATION;
2006                         sdvo_priv->cur_saturation = temp_value;
2007                 } else if (sdvo_priv->contrast_property == property) {
2008                         if (sdvo_priv->cur_contrast == temp_value)
2009                                 goto out;
2010
2011                         cmd = SDVO_CMD_SET_CONTRAST;
2012                         sdvo_priv->cur_contrast = temp_value;
2013                 } else if (sdvo_priv->hue_property == property) {
2014                         if (sdvo_priv->cur_hue == temp_value)
2015                                 goto out;
2016
2017                         cmd = SDVO_CMD_SET_HUE;
2018                         sdvo_priv->cur_hue = temp_value;
2019                 } else if (sdvo_priv->brightness_property == property) {
2020                         if (sdvo_priv->cur_brightness == temp_value)
2021                                 goto out;
2022
2023                         cmd = SDVO_CMD_SET_BRIGHTNESS;
2024                         sdvo_priv->cur_brightness = temp_value;
2025                 }
2026                 if (cmd) {
2027                         intel_sdvo_write_cmd(intel_output, cmd, &temp_value, 2);
2028                         status = intel_sdvo_read_response(intel_output,
2029                                                                 NULL, 0);
2030                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2031                                 DRM_DEBUG_KMS("Incorrect SDVO command \n");
2032                                 return -EINVAL;
2033                         }
2034                         changed = true;
2035                 }
2036         }
2037         if (changed && crtc)
2038                 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
2039                                 crtc->y, crtc->fb);
2040 out:
2041         return ret;
2042 }
2043
2044 static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
2045         .dpms = intel_sdvo_dpms,
2046         .mode_fixup = intel_sdvo_mode_fixup,
2047         .prepare = intel_encoder_prepare,
2048         .mode_set = intel_sdvo_mode_set,
2049         .commit = intel_encoder_commit,
2050 };
2051
2052 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
2053         .dpms = drm_helper_connector_dpms,
2054         .save = intel_sdvo_save,
2055         .restore = intel_sdvo_restore,
2056         .detect = intel_sdvo_detect,
2057         .fill_modes = drm_helper_probe_single_connector_modes,
2058         .set_property = intel_sdvo_set_property,
2059         .destroy = intel_sdvo_destroy,
2060 };
2061
2062 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
2063         .get_modes = intel_sdvo_get_modes,
2064         .mode_valid = intel_sdvo_mode_valid,
2065         .best_encoder = intel_best_encoder,
2066 };
2067
2068 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
2069 {
2070         drm_encoder_cleanup(encoder);
2071 }
2072
2073 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
2074         .destroy = intel_sdvo_enc_destroy,
2075 };
2076
2077
2078 /**
2079  * Choose the appropriate DDC bus for control bus switch command for this
2080  * SDVO output based on the controlled output.
2081  *
2082  * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
2083  * outputs, then LVDS outputs.
2084  */
2085 static void
2086 intel_sdvo_select_ddc_bus(struct intel_sdvo_priv *dev_priv)
2087 {
2088         uint16_t mask = 0;
2089         unsigned int num_bits;
2090
2091         /* Make a mask of outputs less than or equal to our own priority in the
2092          * list.
2093          */
2094         switch (dev_priv->controlled_output) {
2095         case SDVO_OUTPUT_LVDS1:
2096                 mask |= SDVO_OUTPUT_LVDS1;
2097         case SDVO_OUTPUT_LVDS0:
2098                 mask |= SDVO_OUTPUT_LVDS0;
2099         case SDVO_OUTPUT_TMDS1:
2100                 mask |= SDVO_OUTPUT_TMDS1;
2101         case SDVO_OUTPUT_TMDS0:
2102                 mask |= SDVO_OUTPUT_TMDS0;
2103         case SDVO_OUTPUT_RGB1:
2104                 mask |= SDVO_OUTPUT_RGB1;
2105         case SDVO_OUTPUT_RGB0:
2106                 mask |= SDVO_OUTPUT_RGB0;
2107                 break;
2108         }
2109
2110         /* Count bits to find what number we are in the priority list. */
2111         mask &= dev_priv->caps.output_flags;
2112         num_bits = hweight16(mask);
2113         if (num_bits > 3) {
2114                 /* if more than 3 outputs, default to DDC bus 3 for now */
2115                 num_bits = 3;
2116         }
2117
2118         /* Corresponds to SDVO_CONTROL_BUS_DDCx */
2119         dev_priv->ddc_bus = 1 << num_bits;
2120 }
2121
2122 static bool
2123 intel_sdvo_get_digital_encoding_mode(struct intel_output *output)
2124 {
2125         struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
2126         uint8_t status;
2127
2128         intel_sdvo_set_target_output(output, sdvo_priv->controlled_output);
2129
2130         intel_sdvo_write_cmd(output, SDVO_CMD_GET_ENCODE, NULL, 0);
2131         status = intel_sdvo_read_response(output, &sdvo_priv->is_hdmi, 1);
2132         if (status != SDVO_CMD_STATUS_SUCCESS)
2133                 return false;
2134         return true;
2135 }
2136
2137 static struct intel_output *
2138 intel_sdvo_chan_to_intel_output(struct intel_i2c_chan *chan)
2139 {
2140         struct drm_device *dev = chan->drm_dev;
2141         struct drm_connector *connector;
2142         struct intel_output *intel_output = NULL;
2143
2144         list_for_each_entry(connector,
2145                         &dev->mode_config.connector_list, head) {
2146                 if (to_intel_output(connector)->ddc_bus == &chan->adapter) {
2147                         intel_output = to_intel_output(connector);
2148                         break;
2149                 }
2150         }
2151         return intel_output;
2152 }
2153
2154 static int intel_sdvo_master_xfer(struct i2c_adapter *i2c_adap,
2155                                   struct i2c_msg msgs[], int num)
2156 {
2157         struct intel_output *intel_output;
2158         struct intel_sdvo_priv *sdvo_priv;
2159         struct i2c_algo_bit_data *algo_data;
2160         const struct i2c_algorithm *algo;
2161
2162         algo_data = (struct i2c_algo_bit_data *)i2c_adap->algo_data;
2163         intel_output =
2164                 intel_sdvo_chan_to_intel_output(
2165                                 (struct intel_i2c_chan *)(algo_data->data));
2166         if (intel_output == NULL)
2167                 return -EINVAL;
2168
2169         sdvo_priv = intel_output->dev_priv;
2170         algo = intel_output->i2c_bus->algo;
2171
2172         intel_sdvo_set_control_bus_switch(intel_output, sdvo_priv->ddc_bus);
2173         return algo->master_xfer(i2c_adap, msgs, num);
2174 }
2175
2176 static struct i2c_algorithm intel_sdvo_i2c_bit_algo = {
2177         .master_xfer    = intel_sdvo_master_xfer,
2178 };
2179
2180 static u8
2181 intel_sdvo_get_slave_addr(struct drm_device *dev, int output_device)
2182 {
2183         struct drm_i915_private *dev_priv = dev->dev_private;
2184         struct sdvo_device_mapping *my_mapping, *other_mapping;
2185
2186         if (output_device == SDVOB) {
2187                 my_mapping = &dev_priv->sdvo_mappings[0];
2188                 other_mapping = &dev_priv->sdvo_mappings[1];
2189         } else {
2190                 my_mapping = &dev_priv->sdvo_mappings[1];
2191                 other_mapping = &dev_priv->sdvo_mappings[0];
2192         }
2193
2194         /* If the BIOS described our SDVO device, take advantage of it. */
2195         if (my_mapping->slave_addr)
2196                 return my_mapping->slave_addr;
2197
2198         /* If the BIOS only described a different SDVO device, use the
2199          * address that it isn't using.
2200          */
2201         if (other_mapping->slave_addr) {
2202                 if (other_mapping->slave_addr == 0x70)
2203                         return 0x72;
2204                 else
2205                         return 0x70;
2206         }
2207
2208         /* No SDVO device info is found for another DVO port,
2209          * so use mapping assumption we had before BIOS parsing.
2210          */
2211         if (output_device == SDVOB)
2212                 return 0x70;
2213         else
2214                 return 0x72;
2215 }
2216
2217 static bool
2218 intel_sdvo_output_setup(struct intel_output *intel_output, uint16_t flags)
2219 {
2220         struct drm_connector *connector = &intel_output->base;
2221         struct drm_encoder *encoder = &intel_output->enc;
2222         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
2223         bool ret = true, registered = false;
2224
2225         sdvo_priv->is_tv = false;
2226         intel_output->needs_tv_clock = false;
2227         sdvo_priv->is_lvds = false;
2228
2229         if (device_is_registered(&connector->kdev)) {
2230                 drm_sysfs_connector_remove(connector);
2231                 registered = true;
2232         }
2233
2234         if (flags &
2235             (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)) {
2236                 if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS0)
2237                         sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS0;
2238                 else
2239                         sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS1;
2240
2241                 encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2242                 connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2243
2244                 if (intel_sdvo_get_supp_encode(intel_output,
2245                                                &sdvo_priv->encode) &&
2246                     intel_sdvo_get_digital_encoding_mode(intel_output) &&
2247                     sdvo_priv->is_hdmi) {
2248                         /* enable hdmi encoding mode if supported */
2249                         intel_sdvo_set_encode(intel_output, SDVO_ENCODE_HDMI);
2250                         intel_sdvo_set_colorimetry(intel_output,
2251                                                    SDVO_COLORIMETRY_RGB256);
2252                         connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2253                         intel_output->clone_mask =
2254                                         (1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2255                                         (1 << INTEL_ANALOG_CLONE_BIT);
2256                 }
2257         } else if (flags & SDVO_OUTPUT_SVID0) {
2258
2259                 sdvo_priv->controlled_output = SDVO_OUTPUT_SVID0;
2260                 encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2261                 connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2262                 sdvo_priv->is_tv = true;
2263                 intel_output->needs_tv_clock = true;
2264                 intel_output->clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2265         } else if (flags & SDVO_OUTPUT_RGB0) {
2266
2267                 sdvo_priv->controlled_output = SDVO_OUTPUT_RGB0;
2268                 encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2269                 connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2270                 intel_output->clone_mask = (1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2271                                         (1 << INTEL_ANALOG_CLONE_BIT);
2272         } else if (flags & SDVO_OUTPUT_RGB1) {
2273
2274                 sdvo_priv->controlled_output = SDVO_OUTPUT_RGB1;
2275                 encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2276                 connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2277                 intel_output->clone_mask = (1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2278                                         (1 << INTEL_ANALOG_CLONE_BIT);
2279         } else if (flags & SDVO_OUTPUT_LVDS0) {
2280
2281                 sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS0;
2282                 encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2283                 connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2284                 sdvo_priv->is_lvds = true;
2285                 intel_output->clone_mask = (1 << INTEL_ANALOG_CLONE_BIT) |
2286                                         (1 << INTEL_SDVO_LVDS_CLONE_BIT);
2287         } else if (flags & SDVO_OUTPUT_LVDS1) {
2288
2289                 sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS1;
2290                 encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2291                 connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2292                 sdvo_priv->is_lvds = true;
2293                 intel_output->clone_mask = (1 << INTEL_ANALOG_CLONE_BIT) |
2294                                         (1 << INTEL_SDVO_LVDS_CLONE_BIT);
2295         } else {
2296
2297                 unsigned char bytes[2];
2298
2299                 sdvo_priv->controlled_output = 0;
2300                 memcpy(bytes, &sdvo_priv->caps.output_flags, 2);
2301                 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2302                               SDVO_NAME(sdvo_priv),
2303                               bytes[0], bytes[1]);
2304                 ret = false;
2305         }
2306         intel_output->crtc_mask = (1 << 0) | (1 << 1);
2307
2308         if (ret && registered)
2309                 ret = drm_sysfs_connector_add(connector) == 0 ? true : false;
2310
2311
2312         return ret;
2313
2314 }
2315
2316 static void intel_sdvo_tv_create_property(struct drm_connector *connector)
2317 {
2318       struct intel_output *intel_output = to_intel_output(connector);
2319         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
2320         struct intel_sdvo_tv_format format;
2321         uint32_t format_map, i;
2322         uint8_t status;
2323
2324         intel_sdvo_set_target_output(intel_output,
2325                                      sdvo_priv->controlled_output);
2326
2327         intel_sdvo_write_cmd(intel_output,
2328                              SDVO_CMD_GET_SUPPORTED_TV_FORMATS, NULL, 0);
2329         status = intel_sdvo_read_response(intel_output,
2330                                           &format, sizeof(format));
2331         if (status != SDVO_CMD_STATUS_SUCCESS)
2332                 return;
2333
2334         memcpy(&format_map, &format, sizeof(format) > sizeof(format_map) ?
2335                sizeof(format_map) : sizeof(format));
2336
2337         if (format_map == 0)
2338                 return;
2339
2340         sdvo_priv->format_supported_num = 0;
2341         for (i = 0 ; i < TV_FORMAT_NUM; i++)
2342                 if (format_map & (1 << i)) {
2343                         sdvo_priv->tv_format_supported
2344                         [sdvo_priv->format_supported_num++] =
2345                         tv_format_names[i];
2346                 }
2347
2348
2349         sdvo_priv->tv_format_property =
2350                         drm_property_create(
2351                                 connector->dev, DRM_MODE_PROP_ENUM,
2352                                 "mode", sdvo_priv->format_supported_num);
2353
2354         for (i = 0; i < sdvo_priv->format_supported_num; i++)
2355                 drm_property_add_enum(
2356                                 sdvo_priv->tv_format_property, i,
2357                                 i, sdvo_priv->tv_format_supported[i]);
2358
2359         sdvo_priv->tv_format_name = sdvo_priv->tv_format_supported[0];
2360         drm_connector_attach_property(
2361                         connector, sdvo_priv->tv_format_property, 0);
2362
2363 }
2364
2365 static void intel_sdvo_create_enhance_property(struct drm_connector *connector)
2366 {
2367         struct intel_output *intel_output = to_intel_output(connector);
2368         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
2369         struct intel_sdvo_enhancements_reply sdvo_data;
2370         struct drm_device *dev = connector->dev;
2371         uint8_t status;
2372         uint16_t response, data_value[2];
2373
2374         intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2375                                                 NULL, 0);
2376         status = intel_sdvo_read_response(intel_output, &sdvo_data,
2377                                         sizeof(sdvo_data));
2378         if (status != SDVO_CMD_STATUS_SUCCESS) {
2379                 DRM_DEBUG_KMS(" incorrect response is returned\n");
2380                 return;
2381         }
2382         response = *((uint16_t *)&sdvo_data);
2383         if (!response) {
2384                 DRM_DEBUG_KMS("No enhancement is supported\n");
2385                 return;
2386         }
2387         if (sdvo_priv->is_tv) {
2388                 /* when horizontal overscan is supported, Add the left/right
2389                  * property
2390                  */
2391                 if (sdvo_data.overscan_h) {
2392                         intel_sdvo_write_cmd(intel_output,
2393                                 SDVO_CMD_GET_MAX_OVERSCAN_H, NULL, 0);
2394                         status = intel_sdvo_read_response(intel_output,
2395                                 &data_value, 4);
2396                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2397                                 DRM_DEBUG_KMS("Incorrect SDVO max "
2398                                                 "h_overscan\n");
2399                                 return;
2400                         }
2401                         intel_sdvo_write_cmd(intel_output,
2402                                 SDVO_CMD_GET_OVERSCAN_H, NULL, 0);
2403                         status = intel_sdvo_read_response(intel_output,
2404                                 &response, 2);
2405                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2406                                 DRM_DEBUG_KMS("Incorrect SDVO h_overscan\n");
2407                                 return;
2408                         }
2409                         sdvo_priv->max_hscan = data_value[0];
2410                         sdvo_priv->left_margin = data_value[0] - response;
2411                         sdvo_priv->right_margin = sdvo_priv->left_margin;
2412                         sdvo_priv->left_property =
2413                                 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2414                                                 "left_margin", 2);
2415                         sdvo_priv->left_property->values[0] = 0;
2416                         sdvo_priv->left_property->values[1] = data_value[0];
2417                         drm_connector_attach_property(connector,
2418                                                 sdvo_priv->left_property,
2419                                                 sdvo_priv->left_margin);
2420                         sdvo_priv->right_property =
2421                                 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2422                                                 "right_margin", 2);
2423                         sdvo_priv->right_property->values[0] = 0;
2424                         sdvo_priv->right_property->values[1] = data_value[0];
2425                         drm_connector_attach_property(connector,
2426                                                 sdvo_priv->right_property,
2427                                                 sdvo_priv->right_margin);
2428                         DRM_DEBUG_KMS("h_overscan: max %d, "
2429                                         "default %d, current %d\n",
2430                                         data_value[0], data_value[1], response);
2431                 }
2432                 if (sdvo_data.overscan_v) {
2433                         intel_sdvo_write_cmd(intel_output,
2434                                 SDVO_CMD_GET_MAX_OVERSCAN_V, NULL, 0);
2435                         status = intel_sdvo_read_response(intel_output,
2436                                 &data_value, 4);
2437                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2438                                 DRM_DEBUG_KMS("Incorrect SDVO max "
2439                                                 "v_overscan\n");
2440                                 return;
2441                         }
2442                         intel_sdvo_write_cmd(intel_output,
2443                                 SDVO_CMD_GET_OVERSCAN_V, NULL, 0);
2444                         status = intel_sdvo_read_response(intel_output,
2445                                 &response, 2);
2446                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2447                                 DRM_DEBUG_KMS("Incorrect SDVO v_overscan\n");
2448                                 return;
2449                         }
2450                         sdvo_priv->max_vscan = data_value[0];
2451                         sdvo_priv->top_margin = data_value[0] - response;
2452                         sdvo_priv->bottom_margin = sdvo_priv->top_margin;
2453                         sdvo_priv->top_property =
2454                                 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2455                                                 "top_margin", 2);
2456                         sdvo_priv->top_property->values[0] = 0;
2457                         sdvo_priv->top_property->values[1] = data_value[0];
2458                         drm_connector_attach_property(connector,
2459                                                 sdvo_priv->top_property,
2460                                                 sdvo_priv->top_margin);
2461                         sdvo_priv->bottom_property =
2462                                 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2463                                                 "bottom_margin", 2);
2464                         sdvo_priv->bottom_property->values[0] = 0;
2465                         sdvo_priv->bottom_property->values[1] = data_value[0];
2466                         drm_connector_attach_property(connector,
2467                                                 sdvo_priv->bottom_property,
2468                                                 sdvo_priv->bottom_margin);
2469                         DRM_DEBUG_KMS("v_overscan: max %d, "
2470                                         "default %d, current %d\n",
2471                                         data_value[0], data_value[1], response);
2472                 }
2473                 if (sdvo_data.position_h) {
2474                         intel_sdvo_write_cmd(intel_output,
2475                                 SDVO_CMD_GET_MAX_POSITION_H, NULL, 0);
2476                         status = intel_sdvo_read_response(intel_output,
2477                                 &data_value, 4);
2478                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2479                                 DRM_DEBUG_KMS("Incorrect SDVO Max h_pos\n");
2480                                 return;
2481                         }
2482                         intel_sdvo_write_cmd(intel_output,
2483                                 SDVO_CMD_GET_POSITION_H, NULL, 0);
2484                         status = intel_sdvo_read_response(intel_output,
2485                                 &response, 2);
2486                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2487                                 DRM_DEBUG_KMS("Incorrect SDVO get h_postion\n");
2488                                 return;
2489                         }
2490                         sdvo_priv->max_hpos = data_value[0];
2491                         sdvo_priv->cur_hpos = response;
2492                         sdvo_priv->hpos_property =
2493                                 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2494                                                 "hpos", 2);
2495                         sdvo_priv->hpos_property->values[0] = 0;
2496                         sdvo_priv->hpos_property->values[1] = data_value[0];
2497                         drm_connector_attach_property(connector,
2498                                                 sdvo_priv->hpos_property,
2499                                                 sdvo_priv->cur_hpos);
2500                         DRM_DEBUG_KMS("h_position: max %d, "
2501                                         "default %d, current %d\n",
2502                                         data_value[0], data_value[1], response);
2503                 }
2504                 if (sdvo_data.position_v) {
2505                         intel_sdvo_write_cmd(intel_output,
2506                                 SDVO_CMD_GET_MAX_POSITION_V, NULL, 0);
2507                         status = intel_sdvo_read_response(intel_output,
2508                                 &data_value, 4);
2509                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2510                                 DRM_DEBUG_KMS("Incorrect SDVO Max v_pos\n");
2511                                 return;
2512                         }
2513                         intel_sdvo_write_cmd(intel_output,
2514                                 SDVO_CMD_GET_POSITION_V, NULL, 0);
2515                         status = intel_sdvo_read_response(intel_output,
2516                                 &response, 2);
2517                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2518                                 DRM_DEBUG_KMS("Incorrect SDVO get v_postion\n");
2519                                 return;
2520                         }
2521                         sdvo_priv->max_vpos = data_value[0];
2522                         sdvo_priv->cur_vpos = response;
2523                         sdvo_priv->vpos_property =
2524                                 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2525                                                 "vpos", 2);
2526                         sdvo_priv->vpos_property->values[0] = 0;
2527                         sdvo_priv->vpos_property->values[1] = data_value[0];
2528                         drm_connector_attach_property(connector,
2529                                                 sdvo_priv->vpos_property,
2530                                                 sdvo_priv->cur_vpos);
2531                         DRM_DEBUG_KMS("v_position: max %d, "
2532                                         "default %d, current %d\n",
2533                                         data_value[0], data_value[1], response);
2534                 }
2535         }
2536         if (sdvo_priv->is_tv) {
2537                 if (sdvo_data.saturation) {
2538                         intel_sdvo_write_cmd(intel_output,
2539                                 SDVO_CMD_GET_MAX_SATURATION, NULL, 0);
2540                         status = intel_sdvo_read_response(intel_output,
2541                                 &data_value, 4);
2542                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2543                                 DRM_DEBUG_KMS("Incorrect SDVO Max sat\n");
2544                                 return;
2545                         }
2546                         intel_sdvo_write_cmd(intel_output,
2547                                 SDVO_CMD_GET_SATURATION, NULL, 0);
2548                         status = intel_sdvo_read_response(intel_output,
2549                                 &response, 2);
2550                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2551                                 DRM_DEBUG_KMS("Incorrect SDVO get sat\n");
2552                                 return;
2553                         }
2554                         sdvo_priv->max_saturation = data_value[0];
2555                         sdvo_priv->cur_saturation = response;
2556                         sdvo_priv->saturation_property =
2557                                 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2558                                                 "saturation", 2);
2559                         sdvo_priv->saturation_property->values[0] = 0;
2560                         sdvo_priv->saturation_property->values[1] =
2561                                                         data_value[0];
2562                         drm_connector_attach_property(connector,
2563                                                 sdvo_priv->saturation_property,
2564                                                 sdvo_priv->cur_saturation);
2565                         DRM_DEBUG_KMS("saturation: max %d, "
2566                                         "default %d, current %d\n",
2567                                         data_value[0], data_value[1], response);
2568                 }
2569                 if (sdvo_data.contrast) {
2570                         intel_sdvo_write_cmd(intel_output,
2571                                 SDVO_CMD_GET_MAX_CONTRAST, NULL, 0);
2572                         status = intel_sdvo_read_response(intel_output,
2573                                 &data_value, 4);
2574                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2575                                 DRM_DEBUG_KMS("Incorrect SDVO Max contrast\n");
2576                                 return;
2577                         }
2578                         intel_sdvo_write_cmd(intel_output,
2579                                 SDVO_CMD_GET_CONTRAST, NULL, 0);
2580                         status = intel_sdvo_read_response(intel_output,
2581                                 &response, 2);
2582                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2583                                 DRM_DEBUG_KMS("Incorrect SDVO get contrast\n");
2584                                 return;
2585                         }
2586                         sdvo_priv->max_contrast = data_value[0];
2587                         sdvo_priv->cur_contrast = response;
2588                         sdvo_priv->contrast_property =
2589                                 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2590                                                 "contrast", 2);
2591                         sdvo_priv->contrast_property->values[0] = 0;
2592                         sdvo_priv->contrast_property->values[1] = data_value[0];
2593                         drm_connector_attach_property(connector,
2594                                                 sdvo_priv->contrast_property,
2595                                                 sdvo_priv->cur_contrast);
2596                         DRM_DEBUG_KMS("contrast: max %d, "
2597                                         "default %d, current %d\n",
2598                                         data_value[0], data_value[1], response);
2599                 }
2600                 if (sdvo_data.hue) {
2601                         intel_sdvo_write_cmd(intel_output,
2602                                 SDVO_CMD_GET_MAX_HUE, NULL, 0);
2603                         status = intel_sdvo_read_response(intel_output,
2604                                 &data_value, 4);
2605                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2606                                 DRM_DEBUG_KMS("Incorrect SDVO Max hue\n");
2607                                 return;
2608                         }
2609                         intel_sdvo_write_cmd(intel_output,
2610                                 SDVO_CMD_GET_HUE, NULL, 0);
2611                         status = intel_sdvo_read_response(intel_output,
2612                                 &response, 2);
2613                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2614                                 DRM_DEBUG_KMS("Incorrect SDVO get hue\n");
2615                                 return;
2616                         }
2617                         sdvo_priv->max_hue = data_value[0];
2618                         sdvo_priv->cur_hue = response;
2619                         sdvo_priv->hue_property =
2620                                 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2621                                                 "hue", 2);
2622                         sdvo_priv->hue_property->values[0] = 0;
2623                         sdvo_priv->hue_property->values[1] =
2624                                                         data_value[0];
2625                         drm_connector_attach_property(connector,
2626                                                 sdvo_priv->hue_property,
2627                                                 sdvo_priv->cur_hue);
2628                         DRM_DEBUG_KMS("hue: max %d, default %d, current %d\n",
2629                                         data_value[0], data_value[1], response);
2630                 }
2631         }
2632         if (sdvo_priv->is_tv || sdvo_priv->is_lvds) {
2633                 if (sdvo_data.brightness) {
2634                         intel_sdvo_write_cmd(intel_output,
2635                                 SDVO_CMD_GET_MAX_BRIGHTNESS, NULL, 0);
2636                         status = intel_sdvo_read_response(intel_output,
2637                                 &data_value, 4);
2638                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2639                                 DRM_DEBUG_KMS("Incorrect SDVO Max bright\n");
2640                                 return;
2641                         }
2642                         intel_sdvo_write_cmd(intel_output,
2643                                 SDVO_CMD_GET_BRIGHTNESS, NULL, 0);
2644                         status = intel_sdvo_read_response(intel_output,
2645                                 &response, 2);
2646                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2647                                 DRM_DEBUG_KMS("Incorrect SDVO get brigh\n");
2648                                 return;
2649                         }
2650                         sdvo_priv->max_brightness = data_value[0];
2651                         sdvo_priv->cur_brightness = response;
2652                         sdvo_priv->brightness_property =
2653                                 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2654                                                 "brightness", 2);
2655                         sdvo_priv->brightness_property->values[0] = 0;
2656                         sdvo_priv->brightness_property->values[1] =
2657                                                         data_value[0];
2658                         drm_connector_attach_property(connector,
2659                                                 sdvo_priv->brightness_property,
2660                                                 sdvo_priv->cur_brightness);
2661                         DRM_DEBUG_KMS("brightness: max %d, "
2662                                         "default %d, current %d\n",
2663                                         data_value[0], data_value[1], response);
2664                 }
2665         }
2666         return;
2667 }
2668
2669 bool intel_sdvo_init(struct drm_device *dev, int output_device)
2670 {
2671         struct drm_connector *connector;
2672         struct intel_output *intel_output;
2673         struct intel_sdvo_priv *sdvo_priv;
2674
2675         u8 ch[0x40];
2676         int i;
2677
2678         intel_output = kcalloc(sizeof(struct intel_output)+sizeof(struct intel_sdvo_priv), 1, GFP_KERNEL);
2679         if (!intel_output) {
2680                 return false;
2681         }
2682
2683         sdvo_priv = (struct intel_sdvo_priv *)(intel_output + 1);
2684         sdvo_priv->output_device = output_device;
2685
2686         intel_output->dev_priv = sdvo_priv;
2687         intel_output->type = INTEL_OUTPUT_SDVO;
2688
2689         /* setup the DDC bus. */
2690         if (output_device == SDVOB)
2691                 intel_output->i2c_bus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOB");
2692         else
2693                 intel_output->i2c_bus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOC");
2694
2695         if (!intel_output->i2c_bus)
2696                 goto err_inteloutput;
2697
2698         sdvo_priv->slave_addr = intel_sdvo_get_slave_addr(dev, output_device);
2699
2700         /* Save the bit-banging i2c functionality for use by the DDC wrapper */
2701         intel_sdvo_i2c_bit_algo.functionality = intel_output->i2c_bus->algo->functionality;
2702
2703         /* Read the regs to test if we can talk to the device */
2704         for (i = 0; i < 0x40; i++) {
2705                 if (!intel_sdvo_read_byte(intel_output, i, &ch[i])) {
2706                         DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
2707                                         output_device == SDVOB ? 'B' : 'C');
2708                         goto err_i2c;
2709                 }
2710         }
2711
2712         /* setup the DDC bus. */
2713         if (output_device == SDVOB) {
2714                 intel_output->ddc_bus = intel_i2c_create(dev, GPIOE, "SDVOB DDC BUS");
2715                 sdvo_priv->analog_ddc_bus = intel_i2c_create(dev, GPIOA,
2716                                                 "SDVOB/VGA DDC BUS");
2717         } else {
2718                 intel_output->ddc_bus = intel_i2c_create(dev, GPIOE, "SDVOC DDC BUS");
2719                 sdvo_priv->analog_ddc_bus = intel_i2c_create(dev, GPIOA,
2720                                                 "SDVOC/VGA DDC BUS");
2721         }
2722
2723         if (intel_output->ddc_bus == NULL)
2724                 goto err_i2c;
2725
2726         /* Wrap with our custom algo which switches to DDC mode */
2727         intel_output->ddc_bus->algo = &intel_sdvo_i2c_bit_algo;
2728
2729         /* In defaut case sdvo lvds is false */
2730         intel_sdvo_get_capabilities(intel_output, &sdvo_priv->caps);
2731
2732         if (intel_sdvo_output_setup(intel_output,
2733                                     sdvo_priv->caps.output_flags) != true) {
2734                 DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
2735                           output_device == SDVOB ? 'B' : 'C');
2736                 goto err_i2c;
2737         }
2738
2739
2740         connector = &intel_output->base;
2741         drm_connector_init(dev, connector, &intel_sdvo_connector_funcs,
2742                            connector->connector_type);
2743
2744         drm_connector_helper_add(connector, &intel_sdvo_connector_helper_funcs);
2745         connector->interlace_allowed = 0;
2746         connector->doublescan_allowed = 0;
2747         connector->display_info.subpixel_order = SubPixelHorizontalRGB;
2748
2749         drm_encoder_init(dev, &intel_output->enc,
2750                         &intel_sdvo_enc_funcs, intel_output->enc.encoder_type);
2751
2752         drm_encoder_helper_add(&intel_output->enc, &intel_sdvo_helper_funcs);
2753
2754         drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);
2755         if (sdvo_priv->is_tv)
2756                 intel_sdvo_tv_create_property(connector);
2757
2758         if (sdvo_priv->is_tv || sdvo_priv->is_lvds)
2759                 intel_sdvo_create_enhance_property(connector);
2760
2761         drm_sysfs_connector_add(connector);
2762
2763         intel_sdvo_select_ddc_bus(sdvo_priv);
2764
2765         /* Set the input timing to the screen. Assume always input 0. */
2766         intel_sdvo_set_target_input(intel_output, true, false);
2767
2768         intel_sdvo_get_input_pixel_clock_range(intel_output,
2769                                                &sdvo_priv->pixel_clock_min,
2770                                                &sdvo_priv->pixel_clock_max);
2771
2772
2773         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2774                         "clock range %dMHz - %dMHz, "
2775                         "input 1: %c, input 2: %c, "
2776                         "output 1: %c, output 2: %c\n",
2777                         SDVO_NAME(sdvo_priv),
2778                         sdvo_priv->caps.vendor_id, sdvo_priv->caps.device_id,
2779                         sdvo_priv->caps.device_rev_id,
2780                         sdvo_priv->pixel_clock_min / 1000,
2781                         sdvo_priv->pixel_clock_max / 1000,
2782                         (sdvo_priv->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2783                         (sdvo_priv->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2784                         /* check currently supported outputs */
2785                         sdvo_priv->caps.output_flags &
2786                         (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2787                         sdvo_priv->caps.output_flags &
2788                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2789
2790         return true;
2791
2792 err_i2c:
2793         if (sdvo_priv->analog_ddc_bus != NULL)
2794                 intel_i2c_destroy(sdvo_priv->analog_ddc_bus);
2795         if (intel_output->ddc_bus != NULL)
2796                 intel_i2c_destroy(intel_output->ddc_bus);
2797         if (intel_output->i2c_bus != NULL)
2798                 intel_i2c_destroy(intel_output->i2c_bus);
2799 err_inteloutput:
2800         kfree(intel_output);
2801
2802         return false;
2803 }