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/slab.h>
  30 #include <linux/delay.h>
  31 #include "drmP.h"
  32 #include "drm.h"
  33 #include "drm_crtc.h"
  34 #include "intel_drv.h"
  35 #include "drm_edid.h"
  36 #include "i915_drm.h"
  37 #include "i915_drv.h"
  38 #include "intel_sdvo_regs.h"
  39 #include <linux/dmi.h>
  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 static void intel_sdvo_debug_write(struct intel_output *intel_output, u8 cmd,
 360                                    void *args, int args_len)
 361 {
 362         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
 363         int i;
 364
 365         DRM_DEBUG_KMS("%s: W: %02X ",
 366                                 SDVO_NAME(sdvo_priv), cmd);
 367         for (i = 0; i < args_len; i++)
 368                 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
 369         for (; i < 8; i++)
 370                 DRM_LOG_KMS("   ");
 371         for (i = 0; i < sizeof(sdvo_cmd_names) / sizeof(sdvo_cmd_names[0]); i++) {
 372                 if (cmd == sdvo_cmd_names[i].cmd) {
 373                         DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
 374                         break;
 375                 }
 376         }
 377         if (i == sizeof(sdvo_cmd_names)/ sizeof(sdvo_cmd_names[0]))
 378                 DRM_LOG_KMS("(%02X)", cmd);
 379         DRM_LOG_KMS("\n");
 380 }
 381
 382 static void intel_sdvo_write_cmd(struct intel_output *intel_output, u8 cmd,
 383                                  void *args, int args_len)
 384 {
 385         int i;
 386
 387         intel_sdvo_debug_write(intel_output, cmd, args, args_len);
 388
 389         for (i = 0; i < args_len; i++) {
 390                 intel_sdvo_write_byte(intel_output, SDVO_I2C_ARG_0 - i,
 391                                       ((u8*)args)[i]);
 392         }
 393
 394         intel_sdvo_write_byte(intel_output, SDVO_I2C_OPCODE, cmd);
 395 }
 396
 397 static const char *cmd_status_names[] = {
 398         "Power on",
 399         "Success",
 400         "Not supported",
 401         "Invalid arg",
 402         "Pending",
 403         "Target not specified",
 404         "Scaling not supported"
 405 };
 406
 407 static void intel_sdvo_debug_response(struct intel_output *intel_output,
 408                                       void *response, int response_len,
 409                                       u8 status)
 410 {
 411         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
 412         int i;
 413
 414         DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(sdvo_priv));
 415         for (i = 0; i < response_len; i++)
 416                 DRM_LOG_KMS("%02X ", ((u8 *)response)[i]);
 417         for (; i < 8; i++)
 418                 DRM_LOG_KMS("   ");
 419         if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
 420                 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
 421         else
 422                 DRM_LOG_KMS("(??? %d)", status);
 423         DRM_LOG_KMS("\n");
 424 }
 425
 426 static u8 intel_sdvo_read_response(struct intel_output *intel_output,
 427                                    void *response, int response_len)
 428 {
 429         int i;
 430         u8 status;
 431         u8 retry = 50;
 432
 433         while (retry--) {
 434                 /* Read the command response */
 435                 for (i = 0; i < response_len; i++) {
 436                         intel_sdvo_read_byte(intel_output,
 437                                              SDVO_I2C_RETURN_0 + i,
 438                                              &((u8 *)response)[i]);
 439                 }
 440
 441                 /* read the return status */
 442                 intel_sdvo_read_byte(intel_output, SDVO_I2C_CMD_STATUS,
 443                                      &status);
 444
 445                 intel_sdvo_debug_response(intel_output, response, response_len,
 446                                           status);
 447                 if (status != SDVO_CMD_STATUS_PENDING)
 448                         return status;
 449
 450                 mdelay(50);
 451         }
 452
 453         return status;
 454 }
 455
 456 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
 457 {
 458         if (mode->clock >= 100000)
 459                 return 1;
 460         else if (mode->clock >= 50000)
 461                 return 2;
 462         else
 463                 return 4;
 464 }
 465
 466 /**
 467  * Try to read the response after issuie the DDC switch command. But it
 468  * is noted that we must do the action of reading response and issuing DDC
 469  * switch command in one I2C transaction. Otherwise when we try to start
 470  * another I2C transaction after issuing the DDC bus switch, it will be
 471  * switched to the internal SDVO register.
 472  */
 473 static void intel_sdvo_set_control_bus_switch(struct intel_output *intel_output,
 474                                               u8 target)
 475 {
 476         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
 477         u8 out_buf[2], cmd_buf[2], ret_value[2], ret;
 478         struct i2c_msg msgs[] = {
 479                 {
 480                         .addr = sdvo_priv->slave_addr >> 1,
 481                         .flags = 0,
 482                         .len = 2,
 483                         .buf = out_buf,
 484                 },
 485                 /* the following two are to read the response */
 486                 {
 487                         .addr = sdvo_priv->slave_addr >> 1,
 488                         .flags = 0,
 489                         .len = 1,
 490                         .buf = cmd_buf,
 491                 },
 492                 {
 493                         .addr = sdvo_priv->slave_addr >> 1,
 494                         .flags = I2C_M_RD,
 495                         .len = 1,
 496                         .buf = ret_value,
 497                 },
 498         };
 499
 500         intel_sdvo_debug_write(intel_output, SDVO_CMD_SET_CONTROL_BUS_SWITCH,
 501                                         &target, 1);
 502         /* write the DDC switch command argument */
 503         intel_sdvo_write_byte(intel_output, SDVO_I2C_ARG_0, target);
 504
 505         out_buf[0] = SDVO_I2C_OPCODE;
 506         out_buf[1] = SDVO_CMD_SET_CONTROL_BUS_SWITCH;
 507         cmd_buf[0] = SDVO_I2C_CMD_STATUS;
 508         cmd_buf[1] = 0;
 509         ret_value[0] = 0;
 510         ret_value[1] = 0;
 511
 512         ret = i2c_transfer(intel_output->i2c_bus, msgs, 3);
 513         if (ret != 3) {
 514                 /* failure in I2C transfer */
 515                 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
 516                 return;
 517         }
 518         if (ret_value[0] != SDVO_CMD_STATUS_SUCCESS) {
 519                 DRM_DEBUG_KMS("DDC switch command returns response %d\n",
 520                                         ret_value[0]);
 521                 return;
 522         }
 523         return;
 524 }
 525
 526 static bool intel_sdvo_set_target_input(struct intel_output *intel_output, bool target_0, bool target_1)
 527 {
 528         struct intel_sdvo_set_target_input_args targets = {0};
 529         u8 status;
 530
 531         if (target_0 && target_1)
 532                 return SDVO_CMD_STATUS_NOTSUPP;
 533
 534         if (target_1)
 535                 targets.target_1 = 1;
 536
 537         intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_TARGET_INPUT, &targets,
 538                              sizeof(targets));
 539
 540         status = intel_sdvo_read_response(intel_output, NULL, 0);
 541
 542         return (status == SDVO_CMD_STATUS_SUCCESS);
 543 }
 544
 545 /**
 546  * Return whether each input is trained.
 547  *
 548  * This function is making an assumption about the layout of the response,
 549  * which should be checked against the docs.
 550  */
 551 static bool intel_sdvo_get_trained_inputs(struct intel_output *intel_output, bool *input_1, bool *input_2)
 552 {
 553         struct intel_sdvo_get_trained_inputs_response response;
 554         u8 status;
 555
 556         intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_TRAINED_INPUTS, NULL, 0);
 557         status = intel_sdvo_read_response(intel_output, &response, sizeof(response));
 558         if (status != SDVO_CMD_STATUS_SUCCESS)
 559                 return false;
 560
 561         *input_1 = response.input0_trained;
 562         *input_2 = response.input1_trained;
 563         return true;
 564 }
 565
 566 static bool intel_sdvo_get_active_outputs(struct intel_output *intel_output,
 567                                           u16 *outputs)
 568 {
 569         u8 status;
 570
 571         intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_ACTIVE_OUTPUTS, NULL, 0);
 572         status = intel_sdvo_read_response(intel_output, outputs, sizeof(*outputs));
 573
 574         return (status == SDVO_CMD_STATUS_SUCCESS);
 575 }
 576
 577 static bool intel_sdvo_set_active_outputs(struct intel_output *intel_output,
 578                                           u16 outputs)
 579 {
 580         u8 status;
 581
 582         intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_ACTIVE_OUTPUTS, &outputs,
 583                              sizeof(outputs));
 584         status = intel_sdvo_read_response(intel_output, NULL, 0);
 585         return (status == SDVO_CMD_STATUS_SUCCESS);
 586 }
 587
 588 static bool intel_sdvo_set_encoder_power_state(struct intel_output *intel_output,
 589                                                int mode)
 590 {
 591         u8 status, state = SDVO_ENCODER_STATE_ON;
 592
 593         switch (mode) {
 594         case DRM_MODE_DPMS_ON:
 595                 state = SDVO_ENCODER_STATE_ON;
 596                 break;
 597         case DRM_MODE_DPMS_STANDBY:
 598                 state = SDVO_ENCODER_STATE_STANDBY;
 599                 break;
 600         case DRM_MODE_DPMS_SUSPEND:
 601                 state = SDVO_ENCODER_STATE_SUSPEND;
 602                 break;
 603         case DRM_MODE_DPMS_OFF:
 604                 state = SDVO_ENCODER_STATE_OFF;
 605                 break;
 606         }
 607
 608         intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_ENCODER_POWER_STATE, &state,
 609                              sizeof(state));
 610         status = intel_sdvo_read_response(intel_output, NULL, 0);
 611
 612         return (status == SDVO_CMD_STATUS_SUCCESS);
 613 }
 614
 615 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_output *intel_output,
 616                                                    int *clock_min,
 617                                                    int *clock_max)
 618 {
 619         struct intel_sdvo_pixel_clock_range clocks;
 620         u8 status;
 621
 622         intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
 623                              NULL, 0);
 624
 625         status = intel_sdvo_read_response(intel_output, &clocks, sizeof(clocks));
 626
 627         if (status != SDVO_CMD_STATUS_SUCCESS)
 628                 return false;
 629
 630         /* Convert the values from units of 10 kHz to kHz. */
 631         *clock_min = clocks.min * 10;
 632         *clock_max = clocks.max * 10;
 633
 634         return true;
 635 }
 636
 637 static bool intel_sdvo_set_target_output(struct intel_output *intel_output,
 638                                          u16 outputs)
 639 {
 640         u8 status;
 641
 642         intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_TARGET_OUTPUT, &outputs,
 643                              sizeof(outputs));
 644
 645         status = intel_sdvo_read_response(intel_output, NULL, 0);
 646         return (status == SDVO_CMD_STATUS_SUCCESS);
 647 }
 648
 649 static bool intel_sdvo_get_timing(struct intel_output *intel_output, u8 cmd,
 650                                   struct intel_sdvo_dtd *dtd)
 651 {
 652         u8 status;
 653
 654         intel_sdvo_write_cmd(intel_output, cmd, NULL, 0);
 655         status = intel_sdvo_read_response(intel_output, &dtd->part1,
 656                                           sizeof(dtd->part1));
 657         if (status != SDVO_CMD_STATUS_SUCCESS)
 658                 return false;
 659
 660         intel_sdvo_write_cmd(intel_output, cmd + 1, NULL, 0);
 661         status = intel_sdvo_read_response(intel_output, &dtd->part2,
 662                                           sizeof(dtd->part2));
 663         if (status != SDVO_CMD_STATUS_SUCCESS)
 664                 return false;
 665
 666         return true;
 667 }
 668
 669 static bool intel_sdvo_get_input_timing(struct intel_output *intel_output,
 670                                          struct intel_sdvo_dtd *dtd)
 671 {
 672         return intel_sdvo_get_timing(intel_output,
 673                                      SDVO_CMD_GET_INPUT_TIMINGS_PART1, dtd);
 674 }
 675
 676 static bool intel_sdvo_get_output_timing(struct intel_output *intel_output,
 677                                          struct intel_sdvo_dtd *dtd)
 678 {
 679         return intel_sdvo_get_timing(intel_output,
 680                                      SDVO_CMD_GET_OUTPUT_TIMINGS_PART1, dtd);
 681 }
 682
 683 static bool intel_sdvo_set_timing(struct intel_output *intel_output, u8 cmd,
 684                                   struct intel_sdvo_dtd *dtd)
 685 {
 686         u8 status;
 687
 688         intel_sdvo_write_cmd(intel_output, cmd, &dtd->part1, sizeof(dtd->part1));
 689         status = intel_sdvo_read_response(intel_output, NULL, 0);
 690         if (status != SDVO_CMD_STATUS_SUCCESS)
 691                 return false;
 692
 693         intel_sdvo_write_cmd(intel_output, cmd + 1, &dtd->part2, sizeof(dtd->part2));
 694         status = intel_sdvo_read_response(intel_output, NULL, 0);
 695         if (status != SDVO_CMD_STATUS_SUCCESS)
 696                 return false;
 697
 698         return true;
 699 }
 700
 701 static bool intel_sdvo_set_input_timing(struct intel_output *intel_output,
 702                                          struct intel_sdvo_dtd *dtd)
 703 {
 704         return intel_sdvo_set_timing(intel_output,
 705                                      SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
 706 }
 707
 708 static bool intel_sdvo_set_output_timing(struct intel_output *intel_output,
 709                                          struct intel_sdvo_dtd *dtd)
 710 {
 711         return intel_sdvo_set_timing(intel_output,
 712                                      SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
 713 }
 714
 715 static bool
 716 intel_sdvo_create_preferred_input_timing(struct intel_output *output,
 717                                          uint16_t clock,
 718                                          uint16_t width,
 719                                          uint16_t height)
 720 {
 721         struct intel_sdvo_preferred_input_timing_args args;
 722         struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
 723         uint8_t status;
 724
 725         memset(&args, 0, sizeof(args));
 726         args.clock = clock;
 727         args.width = width;
 728         args.height = height;
 729         args.interlace = 0;
 730
 731         if (sdvo_priv->is_lvds &&
 732            (sdvo_priv->sdvo_lvds_fixed_mode->hdisplay != width ||
 733             sdvo_priv->sdvo_lvds_fixed_mode->vdisplay != height))
 734                 args.scaled = 1;
 735
 736         intel_sdvo_write_cmd(output, SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
 737                              &args, sizeof(args));
 738         status = intel_sdvo_read_response(output, NULL, 0);
 739         if (status != SDVO_CMD_STATUS_SUCCESS)
 740                 return false;
 741
 742         return true;
 743 }
 744
 745 static bool intel_sdvo_get_preferred_input_timing(struct intel_output *output,
 746                                                   struct intel_sdvo_dtd *dtd)
 747 {
 748         bool status;
 749
 750         intel_sdvo_write_cmd(output, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
 751                              NULL, 0);
 752
 753         status = intel_sdvo_read_response(output, &dtd->part1,
 754                                           sizeof(dtd->part1));
 755         if (status != SDVO_CMD_STATUS_SUCCESS)
 756                 return false;
 757
 758         intel_sdvo_write_cmd(output, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
 759                              NULL, 0);
 760
 761         status = intel_sdvo_read_response(output, &dtd->part2,
 762                                           sizeof(dtd->part2));
 763         if (status != SDVO_CMD_STATUS_SUCCESS)
 764                 return false;
 765
 766         return false;
 767 }
 768
 769 static int intel_sdvo_get_clock_rate_mult(struct intel_output *intel_output)
 770 {
 771         u8 response, status;
 772
 773         intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_CLOCK_RATE_MULT, NULL, 0);
 774         status = intel_sdvo_read_response(intel_output, &response, 1);
 775
 776         if (status != SDVO_CMD_STATUS_SUCCESS) {
 777                 DRM_DEBUG_KMS("Couldn't get SDVO clock rate multiplier\n");
 778                 return SDVO_CLOCK_RATE_MULT_1X;
 779         } else {
 780                 DRM_DEBUG_KMS("Current clock rate multiplier: %d\n", response);
 781         }
 782
 783         return response;
 784 }
 785
 786 static bool intel_sdvo_set_clock_rate_mult(struct intel_output *intel_output, u8 val)
 787 {
 788         u8 status;
 789
 790         intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
 791         status = intel_sdvo_read_response(intel_output, NULL, 0);
 792         if (status != SDVO_CMD_STATUS_SUCCESS)
 793                 return false;
 794
 795         return true;
 796 }
 797
 798 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
 799                                          struct drm_display_mode *mode)
 800 {
 801         uint16_t width, height;
 802         uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
 803         uint16_t h_sync_offset, v_sync_offset;
 804
 805         width = mode->crtc_hdisplay;
 806         height = mode->crtc_vdisplay;
 807
 808         /* do some mode translations */
 809         h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
 810         h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
 811
 812         v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
 813         v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
 814
 815         h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
 816         v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
 817
 818         dtd->part1.clock = mode->clock / 10;
 819         dtd->part1.h_active = width & 0xff;
 820         dtd->part1.h_blank = h_blank_len & 0xff;
 821         dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
 822                 ((h_blank_len >> 8) & 0xf);
 823         dtd->part1.v_active = height & 0xff;
 824         dtd->part1.v_blank = v_blank_len & 0xff;
 825         dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
 826                 ((v_blank_len >> 8) & 0xf);
 827
 828         dtd->part2.h_sync_off = h_sync_offset & 0xff;
 829         dtd->part2.h_sync_width = h_sync_len & 0xff;
 830         dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
 831                 (v_sync_len & 0xf);
 832         dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
 833                 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
 834                 ((v_sync_len & 0x30) >> 4);
 835
 836         dtd->part2.dtd_flags = 0x18;
 837         if (mode->flags & DRM_MODE_FLAG_PHSYNC)
 838                 dtd->part2.dtd_flags |= 0x2;
 839         if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 840                 dtd->part2.dtd_flags |= 0x4;
 841
 842         dtd->part2.sdvo_flags = 0;
 843         dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
 844         dtd->part2.reserved = 0;
 845 }
 846
 847 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
 848                                          struct intel_sdvo_dtd *dtd)
 849 {
 850         mode->hdisplay = dtd->part1.h_active;
 851         mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
 852         mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
 853         mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
 854         mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
 855         mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
 856         mode->htotal = mode->hdisplay + dtd->part1.h_blank;
 857         mode->htotal += (dtd->part1.h_high & 0xf) << 8;
 858
 859         mode->vdisplay = dtd->part1.v_active;
 860         mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
 861         mode->vsync_start = mode->vdisplay;
 862         mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
 863         mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
 864         mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
 865         mode->vsync_end = mode->vsync_start +
 866                 (dtd->part2.v_sync_off_width & 0xf);
 867         mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
 868         mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
 869         mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
 870
 871         mode->clock = dtd->part1.clock * 10;
 872
 873         mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
 874         if (dtd->part2.dtd_flags & 0x2)
 875                 mode->flags |= DRM_MODE_FLAG_PHSYNC;
 876         if (dtd->part2.dtd_flags & 0x4)
 877                 mode->flags |= DRM_MODE_FLAG_PVSYNC;
 878 }
 879
 880 static bool intel_sdvo_get_supp_encode(struct intel_output *output,
 881                                        struct intel_sdvo_encode *encode)
 882 {
 883         uint8_t status;
 884
 885         intel_sdvo_write_cmd(output, SDVO_CMD_GET_SUPP_ENCODE, NULL, 0);
 886         status = intel_sdvo_read_response(output, encode, sizeof(*encode));
 887         if (status != SDVO_CMD_STATUS_SUCCESS) { /* non-support means DVI */
 888                 memset(encode, 0, sizeof(*encode));
 889                 return false;
 890         }
 891
 892         return true;
 893 }
 894
 895 static bool intel_sdvo_set_encode(struct intel_output *output, uint8_t mode)
 896 {
 897         uint8_t status;
 898
 899         intel_sdvo_write_cmd(output, SDVO_CMD_SET_ENCODE, &mode, 1);
 900         status = intel_sdvo_read_response(output, NULL, 0);
 901
 902         return (status == SDVO_CMD_STATUS_SUCCESS);
 903 }
 904
 905 static bool intel_sdvo_set_colorimetry(struct intel_output *output,
 906                                        uint8_t mode)
 907 {
 908         uint8_t status;
 909
 910         intel_sdvo_write_cmd(output, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
 911         status = intel_sdvo_read_response(output, NULL, 0);
 912
 913         return (status == SDVO_CMD_STATUS_SUCCESS);
 914 }
 915
 916 #if 0
 917 static void intel_sdvo_dump_hdmi_buf(struct intel_output *output)
 918 {
 919         int i, j;
 920         uint8_t set_buf_index[2];
 921         uint8_t av_split;
 922         uint8_t buf_size;
 923         uint8_t buf[48];
 924         uint8_t *pos;
 925
 926         intel_sdvo_write_cmd(output, SDVO_CMD_GET_HBUF_AV_SPLIT, NULL, 0);
 927         intel_sdvo_read_response(output, &av_split, 1);
 928
 929         for (i = 0; i <= av_split; i++) {
 930                 set_buf_index[0] = i; set_buf_index[1] = 0;
 931                 intel_sdvo_write_cmd(output, SDVO_CMD_SET_HBUF_INDEX,
 932                                      set_buf_index, 2);
 933                 intel_sdvo_write_cmd(output, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
 934                 intel_sdvo_read_response(output, &buf_size, 1);
 935
 936                 pos = buf;
 937                 for (j = 0; j <= buf_size; j += 8) {
 938                         intel_sdvo_write_cmd(output, SDVO_CMD_GET_HBUF_DATA,
 939                                              NULL, 0);
 940                         intel_sdvo_read_response(output, pos, 8);
 941                         pos += 8;
 942                 }
 943         }
 944 }
 945 #endif
 946
 947 static void intel_sdvo_set_hdmi_buf(struct intel_output *output, int index,
 948                                 uint8_t *data, int8_t size, uint8_t tx_rate)
 949 {
 950     uint8_t set_buf_index[2];
 951
 952     set_buf_index[0] = index;
 953     set_buf_index[1] = 0;
 954
 955     intel_sdvo_write_cmd(output, SDVO_CMD_SET_HBUF_INDEX, set_buf_index, 2);
 956
 957     for (; size > 0; size -= 8) {
 958         intel_sdvo_write_cmd(output, SDVO_CMD_SET_HBUF_DATA, data, 8);
 959         data += 8;
 960     }
 961
 962     intel_sdvo_write_cmd(output, SDVO_CMD_SET_HBUF_TXRATE, &tx_rate, 1);
 963 }
 964
 965 static uint8_t intel_sdvo_calc_hbuf_csum(uint8_t *data, uint8_t size)
 966 {
 967         uint8_t csum = 0;
 968         int i;
 969
 970         for (i = 0; i < size; i++)
 971                 csum += data[i];
 972
 973         return 0x100 - csum;
 974 }
 975
 976 #define DIP_TYPE_AVI    0x82
 977 #define DIP_VERSION_AVI 0x2
 978 #define DIP_LEN_AVI     13
 979
 980 struct dip_infoframe {
 981         uint8_t type;
 982         uint8_t version;
 983         uint8_t len;
 984         uint8_t checksum;
 985         union {
 986                 struct {
 987                         /* Packet Byte #1 */
 988                         uint8_t S:2;
 989                         uint8_t B:2;
 990                         uint8_t A:1;
 991                         uint8_t Y:2;
 992                         uint8_t rsvd1:1;
 993                         /* Packet Byte #2 */
 994                         uint8_t R:4;
 995                         uint8_t M:2;
 996                         uint8_t C:2;
 997                         /* Packet Byte #3 */
 998                         uint8_t SC:2;
 999                         uint8_t Q:2;
1000                         uint8_t EC:3;
1001                         uint8_t ITC:1;
1002                         /* Packet Byte #4 */
1003                         uint8_t VIC:7;
1004                         uint8_t rsvd2:1;
1005                         /* Packet Byte #5 */
1006                         uint8_t PR:4;
1007                         uint8_t rsvd3:4;
1008                         /* Packet Byte #6~13 */
1009                         uint16_t top_bar_end;
1010                         uint16_t bottom_bar_start;
1011                         uint16_t left_bar_end;
1012                         uint16_t right_bar_start;
1013                 } avi;
1014                 struct {
1015                         /* Packet Byte #1 */
1016                         uint8_t channel_count:3;
1017                         uint8_t rsvd1:1;
1018                         uint8_t coding_type:4;
1019                         /* Packet Byte #2 */
1020                         uint8_t sample_size:2; /* SS0, SS1 */
1021                         uint8_t sample_frequency:3;
1022                         uint8_t rsvd2:3;
1023                         /* Packet Byte #3 */
1024                         uint8_t coding_type_private:5;
1025                         uint8_t rsvd3:3;
1026                         /* Packet Byte #4 */
1027                         uint8_t channel_allocation;
1028                         /* Packet Byte #5 */
1029                         uint8_t rsvd4:3;
1030                         uint8_t level_shift:4;
1031                         uint8_t downmix_inhibit:1;
1032                 } audio;
1033                 uint8_t payload[28];
1034         } __attribute__ ((packed)) u;
1035 } __attribute__((packed));
1036
1037 static void intel_sdvo_set_avi_infoframe(struct intel_output *output,
1038                                          struct drm_display_mode * mode)
1039 {
1040         struct dip_infoframe avi_if = {
1041                 .type = DIP_TYPE_AVI,
1042                 .version = DIP_VERSION_AVI,
1043                 .len = DIP_LEN_AVI,
1044         };
1045
1046         avi_if.checksum = intel_sdvo_calc_hbuf_csum((uint8_t *)&avi_if,
1047                                                     4 + avi_if.len);
1048         intel_sdvo_set_hdmi_buf(output, 1, (uint8_t *)&avi_if, 4 + avi_if.len,
1049                                 SDVO_HBUF_TX_VSYNC);
1050 }
1051
1052 static void intel_sdvo_set_tv_format(struct intel_output *output)
1053 {
1054
1055         struct intel_sdvo_tv_format format;
1056         struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
1057         uint32_t format_map, i;
1058         uint8_t status;
1059
1060         for (i = 0; i < TV_FORMAT_NUM; i++)
1061                 if (tv_format_names[i] == sdvo_priv->tv_format_name)
1062                         break;
1063
1064         format_map = 1 << i;
1065         memset(&format, 0, sizeof(format));
1066         memcpy(&format, &format_map, sizeof(format_map) > sizeof(format) ?
1067                         sizeof(format) : sizeof(format_map));
1068
1069         intel_sdvo_write_cmd(output, SDVO_CMD_SET_TV_FORMAT, &format_map,
1070                              sizeof(format));
1071
1072         status = intel_sdvo_read_response(output, NULL, 0);
1073         if (status != SDVO_CMD_STATUS_SUCCESS)
1074                 DRM_DEBUG_KMS("%s: Failed to set TV format\n",
1075                           SDVO_NAME(sdvo_priv));
1076 }
1077
1078 static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
1079                                   struct drm_display_mode *mode,
1080                                   struct drm_display_mode *adjusted_mode)
1081 {
1082         struct intel_output *output = enc_to_intel_output(encoder);
1083         struct intel_sdvo_priv *dev_priv = output->dev_priv;
1084
1085         if (dev_priv->is_tv) {
1086                 struct intel_sdvo_dtd output_dtd;
1087                 bool success;
1088
1089                 /* We need to construct preferred input timings based on our
1090                  * output timings.  To do that, we have to set the output
1091                  * timings, even though this isn't really the right place in
1092                  * the sequence to do it. Oh well.
1093                  */
1094
1095
1096                 /* Set output timings */
1097                 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1098                 intel_sdvo_set_target_output(output,
1099                                              dev_priv->controlled_output);
1100                 intel_sdvo_set_output_timing(output, &output_dtd);
1101
1102                 /* Set the input timing to the screen. Assume always input 0. */
1103                 intel_sdvo_set_target_input(output, true, false);
1104
1105
1106                 success = intel_sdvo_create_preferred_input_timing(output,
1107                                                                    mode->clock / 10,
1108                                                                    mode->hdisplay,
1109                                                                    mode->vdisplay);
1110                 if (success) {
1111                         struct intel_sdvo_dtd input_dtd;
1112
1113                         intel_sdvo_get_preferred_input_timing(output,
1114                                                              &input_dtd);
1115                         intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
1116                         dev_priv->sdvo_flags = input_dtd.part2.sdvo_flags;
1117
1118                         drm_mode_set_crtcinfo(adjusted_mode, 0);
1119
1120                         mode->clock = adjusted_mode->clock;
1121
1122                         adjusted_mode->clock *=
1123                                 intel_sdvo_get_pixel_multiplier(mode);
1124                 } else {
1125                         return false;
1126                 }
1127         } else if (dev_priv->is_lvds) {
1128                 struct intel_sdvo_dtd output_dtd;
1129                 bool success;
1130
1131                 drm_mode_set_crtcinfo(dev_priv->sdvo_lvds_fixed_mode, 0);
1132                 /* Set output timings */
1133                 intel_sdvo_get_dtd_from_mode(&output_dtd,
1134                                 dev_priv->sdvo_lvds_fixed_mode);
1135
1136                 intel_sdvo_set_target_output(output,
1137                                              dev_priv->controlled_output);
1138                 intel_sdvo_set_output_timing(output, &output_dtd);
1139
1140                 /* Set the input timing to the screen. Assume always input 0. */
1141                 intel_sdvo_set_target_input(output, true, false);
1142
1143
1144                 success = intel_sdvo_create_preferred_input_timing(
1145                                 output,
1146                                 mode->clock / 10,
1147                                 mode->hdisplay,
1148                                 mode->vdisplay);
1149
1150                 if (success) {
1151                         struct intel_sdvo_dtd input_dtd;
1152
1153                         intel_sdvo_get_preferred_input_timing(output,
1154                                                              &input_dtd);
1155                         intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
1156                         dev_priv->sdvo_flags = input_dtd.part2.sdvo_flags;
1157
1158                         drm_mode_set_crtcinfo(adjusted_mode, 0);
1159
1160                         mode->clock = adjusted_mode->clock;
1161
1162                         adjusted_mode->clock *=
1163                                 intel_sdvo_get_pixel_multiplier(mode);
1164                 } else {
1165                         return false;
1166                 }
1167
1168         } else {
1169                 /* Make the CRTC code factor in the SDVO pixel multiplier.  The
1170                  * SDVO device will be told of the multiplier during mode_set.
1171                  */
1172                 adjusted_mode->clock *= intel_sdvo_get_pixel_multiplier(mode);
1173         }
1174         return true;
1175 }
1176
1177 static void intel_sdvo_mode_set(struct drm_encoder *encoder,
1178                                 struct drm_display_mode *mode,
1179                                 struct drm_display_mode *adjusted_mode)
1180 {
1181         struct drm_device *dev = encoder->dev;
1182         struct drm_i915_private *dev_priv = dev->dev_private;
1183         struct drm_crtc *crtc = encoder->crtc;
1184         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
1185         struct intel_output *output = enc_to_intel_output(encoder);
1186         struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
1187         u32 sdvox = 0;
1188         int sdvo_pixel_multiply;
1189         struct intel_sdvo_in_out_map in_out;
1190         struct intel_sdvo_dtd input_dtd;
1191         u8 status;
1192
1193         if (!mode)
1194                 return;
1195
1196         /* First, set the input mapping for the first input to our controlled
1197          * output. This is only correct if we're a single-input device, in
1198          * which case the first input is the output from the appropriate SDVO
1199          * channel on the motherboard.  In a two-input device, the first input
1200          * will be SDVOB and the second SDVOC.
1201          */
1202         in_out.in0 = sdvo_priv->controlled_output;
1203         in_out.in1 = 0;
1204
1205         intel_sdvo_write_cmd(output, SDVO_CMD_SET_IN_OUT_MAP,
1206                              &in_out, sizeof(in_out));
1207         status = intel_sdvo_read_response(output, NULL, 0);
1208
1209         if (sdvo_priv->is_hdmi) {
1210                 intel_sdvo_set_avi_infoframe(output, mode);
1211                 sdvox |= SDVO_AUDIO_ENABLE;
1212         }
1213
1214         /* We have tried to get input timing in mode_fixup, and filled into
1215            adjusted_mode */
1216         if (sdvo_priv->is_tv || sdvo_priv->is_lvds) {
1217                 intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1218                 input_dtd.part2.sdvo_flags = sdvo_priv->sdvo_flags;
1219         } else
1220                 intel_sdvo_get_dtd_from_mode(&input_dtd, mode);
1221
1222         /* If it's a TV, we already set the output timing in mode_fixup.
1223          * Otherwise, the output timing is equal to the input timing.
1224          */
1225         if (!sdvo_priv->is_tv && !sdvo_priv->is_lvds) {
1226                 /* Set the output timing to the screen */
1227                 intel_sdvo_set_target_output(output,
1228                                              sdvo_priv->controlled_output);
1229                 intel_sdvo_set_output_timing(output, &input_dtd);
1230         }
1231
1232         /* Set the input timing to the screen. Assume always input 0. */
1233         intel_sdvo_set_target_input(output, true, false);
1234
1235         if (sdvo_priv->is_tv)
1236                 intel_sdvo_set_tv_format(output);
1237
1238         /* We would like to use intel_sdvo_create_preferred_input_timing() to
1239          * provide the device with a timing it can support, if it supports that
1240          * feature.  However, presumably we would need to adjust the CRTC to
1241          * output the preferred timing, and we don't support that currently.
1242          */
1243 #if 0
1244         success = intel_sdvo_create_preferred_input_timing(output, clock,
1245                                                            width, height);
1246         if (success) {
1247                 struct intel_sdvo_dtd *input_dtd;
1248
1249                 intel_sdvo_get_preferred_input_timing(output, &input_dtd);
1250                 intel_sdvo_set_input_timing(output, &input_dtd);
1251         }
1252 #else
1253         intel_sdvo_set_input_timing(output, &input_dtd);
1254 #endif
1255
1256         switch (intel_sdvo_get_pixel_multiplier(mode)) {
1257         case 1:
1258                 intel_sdvo_set_clock_rate_mult(output,
1259                                                SDVO_CLOCK_RATE_MULT_1X);
1260                 break;
1261         case 2:
1262                 intel_sdvo_set_clock_rate_mult(output,
1263                                                SDVO_CLOCK_RATE_MULT_2X);
1264                 break;
1265         case 4:
1266                 intel_sdvo_set_clock_rate_mult(output,
1267                                                SDVO_CLOCK_RATE_MULT_4X);
1268                 break;
1269         }
1270
1271         /* Set the SDVO control regs. */
1272         if (IS_I965G(dev)) {
1273                 sdvox |= SDVO_BORDER_ENABLE |
1274                         SDVO_VSYNC_ACTIVE_HIGH |
1275                         SDVO_HSYNC_ACTIVE_HIGH;
1276         } else {
1277                 sdvox |= I915_READ(sdvo_priv->output_device);
1278                 switch (sdvo_priv->output_device) {
1279                 case SDVOB:
1280                         sdvox &= SDVOB_PRESERVE_MASK;
1281                         break;
1282                 case SDVOC:
1283                         sdvox &= SDVOC_PRESERVE_MASK;
1284                         break;
1285                 }
1286                 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1287         }
1288         if (intel_crtc->pipe == 1)
1289                 sdvox |= SDVO_PIPE_B_SELECT;
1290
1291         sdvo_pixel_multiply = intel_sdvo_get_pixel_multiplier(mode);
1292         if (IS_I965G(dev)) {
1293                 /* done in crtc_mode_set as the dpll_md reg must be written early */
1294         } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1295                 /* done in crtc_mode_set as it lives inside the dpll register */
1296         } else {
1297                 sdvox |= (sdvo_pixel_multiply - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1298         }
1299
1300         if (sdvo_priv->sdvo_flags & SDVO_NEED_TO_STALL)
1301                 sdvox |= SDVO_STALL_SELECT;
1302         intel_sdvo_write_sdvox(output, sdvox);
1303 }
1304
1305 static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1306 {
1307         struct drm_device *dev = encoder->dev;
1308         struct drm_i915_private *dev_priv = dev->dev_private;
1309         struct intel_output *intel_output = enc_to_intel_output(encoder);
1310         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1311         u32 temp;
1312
1313         if (mode != DRM_MODE_DPMS_ON) {
1314                 intel_sdvo_set_active_outputs(intel_output, 0);
1315                 if (0)
1316                         intel_sdvo_set_encoder_power_state(intel_output, mode);
1317
1318                 if (mode == DRM_MODE_DPMS_OFF) {
1319                         temp = I915_READ(sdvo_priv->output_device);
1320                         if ((temp & SDVO_ENABLE) != 0) {
1321                                 intel_sdvo_write_sdvox(intel_output, temp & ~SDVO_ENABLE);
1322                         }
1323                 }
1324         } else {
1325                 bool input1, input2;
1326                 int i;
1327                 u8 status;
1328
1329                 temp = I915_READ(sdvo_priv->output_device);
1330                 if ((temp & SDVO_ENABLE) == 0)
1331                         intel_sdvo_write_sdvox(intel_output, temp | SDVO_ENABLE);
1332                 for (i = 0; i < 2; i++)
1333                   intel_wait_for_vblank(dev);
1334
1335                 status = intel_sdvo_get_trained_inputs(intel_output, &input1,
1336                                                        &input2);
1337
1338
1339                 /* Warn if the device reported failure to sync.
1340                  * A lot of SDVO devices fail to notify of sync, but it's
1341                  * a given it the status is a success, we succeeded.
1342                  */
1343                 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1344                         DRM_DEBUG_KMS("First %s output reported failure to "
1345                                         "sync\n", SDVO_NAME(sdvo_priv));
1346                 }
1347
1348                 if (0)
1349                         intel_sdvo_set_encoder_power_state(intel_output, mode);
1350                 intel_sdvo_set_active_outputs(intel_output, sdvo_priv->controlled_output);
1351         }
1352         return;
1353 }
1354
1355 static void intel_sdvo_save(struct drm_connector *connector)
1356 {
1357         struct drm_device *dev = connector->dev;
1358         struct drm_i915_private *dev_priv = dev->dev_private;
1359         struct intel_output *intel_output = to_intel_output(connector);
1360         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1361         int o;
1362
1363         sdvo_priv->save_sdvo_mult = intel_sdvo_get_clock_rate_mult(intel_output);
1364         intel_sdvo_get_active_outputs(intel_output, &sdvo_priv->save_active_outputs);
1365
1366         if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) {
1367                 intel_sdvo_set_target_input(intel_output, true, false);
1368                 intel_sdvo_get_input_timing(intel_output,
1369                                             &sdvo_priv->save_input_dtd_1);
1370         }
1371
1372         if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) {
1373                 intel_sdvo_set_target_input(intel_output, false, true);
1374                 intel_sdvo_get_input_timing(intel_output,
1375                                             &sdvo_priv->save_input_dtd_2);
1376         }
1377
1378         for (o = SDVO_OUTPUT_FIRST; o <= SDVO_OUTPUT_LAST; o++)
1379         {
1380                 u16  this_output = (1 << o);
1381                 if (sdvo_priv->caps.output_flags & this_output)
1382                 {
1383                         intel_sdvo_set_target_output(intel_output, this_output);
1384                         intel_sdvo_get_output_timing(intel_output,
1385                                                      &sdvo_priv->save_output_dtd[o]);
1386                 }
1387         }
1388         if (sdvo_priv->is_tv) {
1389                 /* XXX: Save TV format/enhancements. */
1390         }
1391
1392         sdvo_priv->save_SDVOX = I915_READ(sdvo_priv->output_device);
1393 }
1394
1395 static void intel_sdvo_restore(struct drm_connector *connector)
1396 {
1397         struct drm_device *dev = connector->dev;
1398         struct intel_output *intel_output = to_intel_output(connector);
1399         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1400         int o;
1401         int i;
1402         bool input1, input2;
1403         u8 status;
1404
1405         intel_sdvo_set_active_outputs(intel_output, 0);
1406
1407         for (o = SDVO_OUTPUT_FIRST; o <= SDVO_OUTPUT_LAST; o++)
1408         {
1409                 u16  this_output = (1 << o);
1410                 if (sdvo_priv->caps.output_flags & this_output) {
1411                         intel_sdvo_set_target_output(intel_output, this_output);
1412                         intel_sdvo_set_output_timing(intel_output, &sdvo_priv->save_output_dtd[o]);
1413                 }
1414         }
1415
1416         if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) {
1417                 intel_sdvo_set_target_input(intel_output, true, false);
1418                 intel_sdvo_set_input_timing(intel_output, &sdvo_priv->save_input_dtd_1);
1419         }
1420
1421         if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) {
1422                 intel_sdvo_set_target_input(intel_output, false, true);
1423                 intel_sdvo_set_input_timing(intel_output, &sdvo_priv->save_input_dtd_2);
1424         }
1425
1426         intel_sdvo_set_clock_rate_mult(intel_output, sdvo_priv->save_sdvo_mult);
1427
1428         if (sdvo_priv->is_tv) {
1429                 /* XXX: Restore TV format/enhancements. */
1430         }
1431
1432         intel_sdvo_write_sdvox(intel_output, sdvo_priv->save_SDVOX);
1433
1434         if (sdvo_priv->save_SDVOX & SDVO_ENABLE)
1435         {
1436                 for (i = 0; i < 2; i++)
1437                         intel_wait_for_vblank(dev);
1438                 status = intel_sdvo_get_trained_inputs(intel_output, &input1, &input2);
1439                 if (status == SDVO_CMD_STATUS_SUCCESS && !input1)
1440                         DRM_DEBUG_KMS("First %s output reported failure to "
1441                                         "sync\n", SDVO_NAME(sdvo_priv));
1442         }
1443
1444         intel_sdvo_set_active_outputs(intel_output, sdvo_priv->save_active_outputs);
1445 }
1446
1447 static int intel_sdvo_mode_valid(struct drm_connector *connector,
1448                                  struct drm_display_mode *mode)
1449 {
1450         struct intel_output *intel_output = to_intel_output(connector);
1451         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1452
1453         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1454                 return MODE_NO_DBLESCAN;
1455
1456         if (sdvo_priv->pixel_clock_min > mode->clock)
1457                 return MODE_CLOCK_LOW;
1458
1459         if (sdvo_priv->pixel_clock_max < mode->clock)
1460                 return MODE_CLOCK_HIGH;
1461
1462         if (sdvo_priv->is_lvds == true) {
1463                 if (sdvo_priv->sdvo_lvds_fixed_mode == NULL)
1464                         return MODE_PANEL;
1465
1466                 if (mode->hdisplay > sdvo_priv->sdvo_lvds_fixed_mode->hdisplay)
1467                         return MODE_PANEL;
1468
1469                 if (mode->vdisplay > sdvo_priv->sdvo_lvds_fixed_mode->vdisplay)
1470                         return MODE_PANEL;
1471         }
1472
1473         return MODE_OK;
1474 }
1475
1476 static bool intel_sdvo_get_capabilities(struct intel_output *intel_output, struct intel_sdvo_caps *caps)
1477 {
1478         u8 status;
1479
1480         intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_DEVICE_CAPS, NULL, 0);
1481         status = intel_sdvo_read_response(intel_output, caps, sizeof(*caps));
1482         if (status != SDVO_CMD_STATUS_SUCCESS)
1483                 return false;
1484
1485         return true;
1486 }
1487
1488 struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB)
1489 {
1490         struct drm_connector *connector = NULL;
1491         struct intel_output *iout = NULL;
1492         struct intel_sdvo_priv *sdvo;
1493
1494         /* find the sdvo connector */
1495         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1496                 iout = to_intel_output(connector);
1497
1498                 if (iout->type != INTEL_OUTPUT_SDVO)
1499                         continue;
1500
1501                 sdvo = iout->dev_priv;
1502
1503                 if (sdvo->output_device == SDVOB && sdvoB)
1504                         return connector;
1505
1506                 if (sdvo->output_device == SDVOC && !sdvoB)
1507                         return connector;
1508
1509         }
1510
1511         return NULL;
1512 }
1513
1514 int intel_sdvo_supports_hotplug(struct drm_connector *connector)
1515 {
1516         u8 response[2];
1517         u8 status;
1518         struct intel_output *intel_output;
1519         DRM_DEBUG_KMS("\n");
1520
1521         if (!connector)
1522                 return 0;
1523
1524         intel_output = to_intel_output(connector);
1525
1526         intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
1527         status = intel_sdvo_read_response(intel_output, &response, 2);
1528
1529         if (response[0] !=0)
1530                 return 1;
1531
1532         return 0;
1533 }
1534
1535 void intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
1536 {
1537         u8 response[2];
1538         u8 status;
1539         struct intel_output *intel_output = to_intel_output(connector);
1540
1541         intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1542         intel_sdvo_read_response(intel_output, &response, 2);
1543
1544         if (on) {
1545                 intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
1546                 status = intel_sdvo_read_response(intel_output, &response, 2);
1547
1548                 intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1549         } else {
1550                 response[0] = 0;
1551                 response[1] = 0;
1552                 intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1553         }
1554
1555         intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1556         intel_sdvo_read_response(intel_output, &response, 2);
1557 }
1558
1559 static bool
1560 intel_sdvo_multifunc_encoder(struct intel_output *intel_output)
1561 {
1562         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1563         int caps = 0;
1564
1565         if (sdvo_priv->caps.output_flags &
1566                 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
1567                 caps++;
1568         if (sdvo_priv->caps.output_flags &
1569                 (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1))
1570                 caps++;
1571         if (sdvo_priv->caps.output_flags &
1572                 (SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_SVID1))
1573                 caps++;
1574         if (sdvo_priv->caps.output_flags &
1575                 (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_CVBS1))
1576                 caps++;
1577         if (sdvo_priv->caps.output_flags &
1578                 (SDVO_OUTPUT_YPRPB0 | SDVO_OUTPUT_YPRPB1))
1579                 caps++;
1580
1581         if (sdvo_priv->caps.output_flags &
1582                 (SDVO_OUTPUT_SCART0 | SDVO_OUTPUT_SCART1))
1583                 caps++;
1584
1585         if (sdvo_priv->caps.output_flags &
1586                 (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1))
1587                 caps++;
1588
1589         return (caps > 1);
1590 }
1591
1592 static struct drm_connector *
1593 intel_find_analog_connector(struct drm_device *dev)
1594 {
1595         struct drm_connector *connector;
1596         struct intel_output *intel_output;
1597
1598         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1599                 intel_output = to_intel_output(connector);
1600                 if (intel_output->type == INTEL_OUTPUT_ANALOG)
1601                         return connector;
1602         }
1603         return NULL;
1604 }
1605
1606 static int
1607 intel_analog_is_connected(struct drm_device *dev)
1608 {
1609         struct drm_connector *analog_connector;
1610         analog_connector = intel_find_analog_connector(dev);
1611
1612         if (!analog_connector)
1613                 return false;
1614
1615         if (analog_connector->funcs->detect(analog_connector) ==
1616                         connector_status_disconnected)
1617                 return false;
1618
1619         return true;
1620 }
1621
1622 enum drm_connector_status
1623 intel_sdvo_hdmi_sink_detect(struct drm_connector *connector, u16 response)
1624 {
1625         struct intel_output *intel_output = to_intel_output(connector);
1626         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1627         enum drm_connector_status status = connector_status_connected;
1628         struct edid *edid = NULL;
1629
1630         edid = drm_get_edid(&intel_output->base,
1631                             intel_output->ddc_bus);
1632
1633         /* This is only applied to SDVO cards with multiple outputs */
1634         if (edid == NULL && intel_sdvo_multifunc_encoder(intel_output)) {
1635                 uint8_t saved_ddc, temp_ddc;
1636                 saved_ddc = sdvo_priv->ddc_bus;
1637                 temp_ddc = sdvo_priv->ddc_bus >> 1;
1638                 /*
1639                  * Don't use the 1 as the argument of DDC bus switch to get
1640                  * the EDID. It is used for SDVO SPD ROM.
1641                  */
1642                 while(temp_ddc > 1) {
1643                         sdvo_priv->ddc_bus = temp_ddc;
1644                         edid = drm_get_edid(&intel_output->base,
1645                                 intel_output->ddc_bus);
1646                         if (edid) {
1647                                 /*
1648                                  * When we can get the EDID, maybe it is the
1649                                  * correct DDC bus. Update it.
1650                                  */
1651                                 sdvo_priv->ddc_bus = temp_ddc;
1652                                 break;
1653                         }
1654                         temp_ddc >>= 1;
1655                 }
1656                 if (edid == NULL)
1657                         sdvo_priv->ddc_bus = saved_ddc;
1658         }
1659         /* when there is no edid and no monitor is connected with VGA
1660          * port, try to use the CRT ddc to read the EDID for DVI-connector
1661          */
1662         if (edid == NULL &&
1663             sdvo_priv->analog_ddc_bus &&
1664             !intel_analog_is_connected(intel_output->base.dev))
1665                 edid = drm_get_edid(&intel_output->base,
1666                                     sdvo_priv->analog_ddc_bus);
1667         if (edid != NULL) {
1668                 /* Don't report the output as connected if it's a DVI-I
1669                  * connector with a non-digital EDID coming out.
1670                  */
1671                 if (response & (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)) {
1672                         if (edid->input & DRM_EDID_INPUT_DIGITAL)
1673                                 sdvo_priv->is_hdmi =
1674                                         drm_detect_hdmi_monitor(edid);
1675                         else
1676                                 status = connector_status_disconnected;
1677                 }
1678
1679                 kfree(edid);
1680                 intel_output->base.display_info.raw_edid = NULL;
1681
1682         } else if (response & (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
1683                 status = connector_status_disconnected;
1684
1685         return status;
1686 }
1687
1688 static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connector)
1689 {
1690         uint16_t response;
1691         u8 status;
1692         struct intel_output *intel_output = to_intel_output(connector);
1693         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1694
1695         intel_sdvo_write_cmd(intel_output,
1696                              SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0);
1697         if (sdvo_priv->is_tv) {
1698                 /* add 30ms delay when the output type is SDVO-TV */
1699                 mdelay(30);
1700         }
1701         status = intel_sdvo_read_response(intel_output, &response, 2);
1702
1703         DRM_DEBUG_KMS("SDVO response %d %d\n", response & 0xff, response >> 8);
1704
1705         if (status != SDVO_CMD_STATUS_SUCCESS)
1706                 return connector_status_unknown;
1707
1708         if (response == 0)
1709                 return connector_status_disconnected;
1710
1711         if (intel_sdvo_multifunc_encoder(intel_output) &&
1712                 sdvo_priv->attached_output != response) {
1713                 if (sdvo_priv->controlled_output != response &&
1714                         intel_sdvo_output_setup(intel_output, response) != true)
1715                         return connector_status_unknown;
1716                 sdvo_priv->attached_output = response;
1717         }
1718         return intel_sdvo_hdmi_sink_detect(connector, response);
1719 }
1720
1721 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1722 {
1723         struct intel_output *intel_output = to_intel_output(connector);
1724         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1725         int num_modes;
1726
1727         /* set the bus switch and get the modes */
1728         num_modes = intel_ddc_get_modes(intel_output);
1729
1730         /*
1731          * Mac mini hack.  On this device, the DVI-I connector shares one DDC
1732          * link between analog and digital outputs. So, if the regular SDVO
1733          * DDC fails, check to see if the analog output is disconnected, in
1734          * which case we'll look there for the digital DDC data.
1735          */
1736         if (num_modes == 0 &&
1737             sdvo_priv->analog_ddc_bus &&
1738             !intel_analog_is_connected(intel_output->base.dev)) {
1739                 struct i2c_adapter *digital_ddc_bus;
1740
1741                 /* Switch to the analog ddc bus and try that
1742                  */
1743                 digital_ddc_bus = intel_output->ddc_bus;
1744                 intel_output->ddc_bus = sdvo_priv->analog_ddc_bus;
1745
1746                 (void) intel_ddc_get_modes(intel_output);
1747
1748                 intel_output->ddc_bus = digital_ddc_bus;
1749         }
1750 }
1751
1752 /*
1753  * Set of SDVO TV modes.
1754  * Note!  This is in reply order (see loop in get_tv_modes).
1755  * XXX: all 60Hz refresh?
1756  */
1757 struct drm_display_mode sdvo_tv_modes[] = {
1758         { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1759                    416, 0, 200, 201, 232, 233, 0,
1760                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1761         { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1762                    416, 0, 240, 241, 272, 273, 0,
1763                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1764         { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1765                    496, 0, 300, 301, 332, 333, 0,
1766                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1767         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1768                    736, 0, 350, 351, 382, 383, 0,
1769                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1770         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1771                    736, 0, 400, 401, 432, 433, 0,
1772                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1773         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1774                    736, 0, 480, 481, 512, 513, 0,
1775                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1776         { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1777                    800, 0, 480, 481, 512, 513, 0,
1778                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1779         { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1780                    800, 0, 576, 577, 608, 609, 0,
1781                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1782         { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1783                    816, 0, 350, 351, 382, 383, 0,
1784                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1785         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1786                    816, 0, 400, 401, 432, 433, 0,
1787                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1788         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1789                    816, 0, 480, 481, 512, 513, 0,
1790                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1791         { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1792                    816, 0, 540, 541, 572, 573, 0,
1793                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1794         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1795                    816, 0, 576, 577, 608, 609, 0,
1796                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1797         { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1798                    864, 0, 576, 577, 608, 609, 0,
1799                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1800         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1801                    896, 0, 600, 601, 632, 633, 0,
1802                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1803         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1804                    928, 0, 624, 625, 656, 657, 0,
1805                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1806         { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1807                    1016, 0, 766, 767, 798, 799, 0,
1808                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1809         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1810                    1120, 0, 768, 769, 800, 801, 0,
1811                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1812         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1813                    1376, 0, 1024, 1025, 1056, 1057, 0,
1814                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1815 };
1816
1817 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1818 {
1819         struct intel_output *output = to_intel_output(connector);
1820         struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
1821         struct intel_sdvo_sdtv_resolution_request tv_res;
1822         uint32_t reply = 0, format_map = 0;
1823         int i;
1824         uint8_t status;
1825
1826
1827         /* Read the list of supported input resolutions for the selected TV
1828          * format.
1829          */
1830         for (i = 0; i < TV_FORMAT_NUM; i++)
1831                 if (tv_format_names[i] ==  sdvo_priv->tv_format_name)
1832                         break;
1833
1834         format_map = (1 << i);
1835         memcpy(&tv_res, &format_map,
1836                sizeof(struct intel_sdvo_sdtv_resolution_request) >
1837                sizeof(format_map) ? sizeof(format_map) :
1838                sizeof(struct intel_sdvo_sdtv_resolution_request));
1839
1840         intel_sdvo_set_target_output(output, sdvo_priv->controlled_output);
1841
1842         intel_sdvo_write_cmd(output, SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1843                              &tv_res, sizeof(tv_res));
1844         status = intel_sdvo_read_response(output, &reply, 3);
1845         if (status != SDVO_CMD_STATUS_SUCCESS)
1846                 return;
1847
1848         for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1849                 if (reply & (1 << i)) {
1850                         struct drm_display_mode *nmode;
1851                         nmode = drm_mode_duplicate(connector->dev,
1852                                         &sdvo_tv_modes[i]);
1853                         if (nmode)
1854                                 drm_mode_probed_add(connector, nmode);
1855                 }
1856
1857 }
1858
1859 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1860 {
1861         struct intel_output *intel_output = to_intel_output(connector);
1862         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1863         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1864         struct drm_display_mode *newmode;
1865
1866         /*
1867          * Attempt to get the mode list from DDC.
1868          * Assume that the preferred modes are
1869          * arranged in priority order.
1870          */
1871         intel_ddc_get_modes(intel_output);
1872         if (list_empty(&connector->probed_modes) == false)
1873                 goto end;
1874
1875         /* Fetch modes from VBT */
1876         if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1877                 newmode = drm_mode_duplicate(connector->dev,
1878                                              dev_priv->sdvo_lvds_vbt_mode);
1879                 if (newmode != NULL) {
1880                         /* Guarantee the mode is preferred */
1881                         newmode->type = (DRM_MODE_TYPE_PREFERRED |
1882                                          DRM_MODE_TYPE_DRIVER);
1883                         drm_mode_probed_add(connector, newmode);
1884                 }
1885         }
1886
1887 end:
1888         list_for_each_entry(newmode, &connector->probed_modes, head) {
1889                 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1890                         sdvo_priv->sdvo_lvds_fixed_mode =
1891                                 drm_mode_duplicate(connector->dev, newmode);
1892                         break;
1893                 }
1894         }
1895
1896 }
1897
1898 static int intel_sdvo_get_modes(struct drm_connector *connector)
1899 {
1900         struct intel_output *output = to_intel_output(connector);
1901         struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
1902
1903         if (sdvo_priv->is_tv)
1904                 intel_sdvo_get_tv_modes(connector);
1905         else if (sdvo_priv->is_lvds == true)
1906                 intel_sdvo_get_lvds_modes(connector);
1907         else
1908                 intel_sdvo_get_ddc_modes(connector);
1909
1910         if (list_empty(&connector->probed_modes))
1911                 return 0;
1912         return 1;
1913 }
1914
1915 static
1916 void intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1917 {
1918         struct intel_output *intel_output = to_intel_output(connector);
1919         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1920         struct drm_device *dev = connector->dev;
1921
1922         if (sdvo_priv->is_tv) {
1923                 if (sdvo_priv->left_property)
1924                         drm_property_destroy(dev, sdvo_priv->left_property);
1925                 if (sdvo_priv->right_property)
1926                         drm_property_destroy(dev, sdvo_priv->right_property);
1927                 if (sdvo_priv->top_property)
1928                         drm_property_destroy(dev, sdvo_priv->top_property);
1929                 if (sdvo_priv->bottom_property)
1930                         drm_property_destroy(dev, sdvo_priv->bottom_property);
1931                 if (sdvo_priv->hpos_property)
1932                         drm_property_destroy(dev, sdvo_priv->hpos_property);
1933                 if (sdvo_priv->vpos_property)
1934                         drm_property_destroy(dev, sdvo_priv->vpos_property);
1935         }
1936         if (sdvo_priv->is_tv) {
1937                 if (sdvo_priv->saturation_property)
1938                         drm_property_destroy(dev,
1939                                         sdvo_priv->saturation_property);
1940                 if (sdvo_priv->contrast_property)
1941                         drm_property_destroy(dev,
1942                                         sdvo_priv->contrast_property);
1943                 if (sdvo_priv->hue_property)
1944                         drm_property_destroy(dev, sdvo_priv->hue_property);
1945         }
1946         if (sdvo_priv->is_tv || sdvo_priv->is_lvds) {
1947                 if (sdvo_priv->brightness_property)
1948                         drm_property_destroy(dev,
1949                                         sdvo_priv->brightness_property);
1950         }
1951         return;
1952 }
1953
1954 static void intel_sdvo_destroy(struct drm_connector *connector)
1955 {
1956         struct intel_output *intel_output = to_intel_output(connector);
1957         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1958
1959         if (intel_output->i2c_bus)
1960                 intel_i2c_destroy(intel_output->i2c_bus);
1961         if (intel_output->ddc_bus)
1962                 intel_i2c_destroy(intel_output->ddc_bus);
1963         if (sdvo_priv->analog_ddc_bus)
1964                 intel_i2c_destroy(sdvo_priv->analog_ddc_bus);
1965
1966         if (sdvo_priv->sdvo_lvds_fixed_mode != NULL)
1967                 drm_mode_destroy(connector->dev,
1968                                  sdvo_priv->sdvo_lvds_fixed_mode);
1969
1970         if (sdvo_priv->tv_format_property)
1971                 drm_property_destroy(connector->dev,
1972                                      sdvo_priv->tv_format_property);
1973
1974         if (sdvo_priv->is_tv || sdvo_priv->is_lvds)
1975                 intel_sdvo_destroy_enhance_property(connector);
1976
1977         drm_sysfs_connector_remove(connector);
1978         drm_connector_cleanup(connector);
1979
1980         kfree(intel_output);
1981 }
1982
1983 static int
1984 intel_sdvo_set_property(struct drm_connector *connector,
1985                         struct drm_property *property,
1986                         uint64_t val)
1987 {
1988         struct intel_output *intel_output = to_intel_output(connector);
1989         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1990         struct drm_encoder *encoder = &intel_output->enc;
1991         struct drm_crtc *crtc = encoder->crtc;
1992         int ret = 0;
1993         bool changed = false;
1994         uint8_t cmd, status;
1995         uint16_t temp_value;
1996
1997         ret = drm_connector_property_set_value(connector, property, val);
1998         if (ret < 0)
1999                 goto out;
2000
2001         if (property == sdvo_priv->tv_format_property) {
2002                 if (val >= TV_FORMAT_NUM) {
2003                         ret = -EINVAL;
2004                         goto out;
2005                 }
2006                 if (sdvo_priv->tv_format_name ==
2007                     sdvo_priv->tv_format_supported[val])
2008                         goto out;
2009
2010                 sdvo_priv->tv_format_name = sdvo_priv->tv_format_supported[val];
2011                 changed = true;
2012         }
2013
2014         if (sdvo_priv->is_tv || sdvo_priv->is_lvds) {
2015                 cmd = 0;
2016                 temp_value = val;
2017                 if (sdvo_priv->left_property == property) {
2018                         drm_connector_property_set_value(connector,
2019                                 sdvo_priv->right_property, val);
2020                         if (sdvo_priv->left_margin == temp_value)
2021                                 goto out;
2022
2023                         sdvo_priv->left_margin = temp_value;
2024                         sdvo_priv->right_margin = temp_value;
2025                         temp_value = sdvo_priv->max_hscan -
2026                                         sdvo_priv->left_margin;
2027                         cmd = SDVO_CMD_SET_OVERSCAN_H;
2028                 } else if (sdvo_priv->right_property == property) {
2029                         drm_connector_property_set_value(connector,
2030                                 sdvo_priv->left_property, val);
2031                         if (sdvo_priv->right_margin == temp_value)
2032                                 goto out;
2033
2034                         sdvo_priv->left_margin = temp_value;
2035                         sdvo_priv->right_margin = temp_value;
2036                         temp_value = sdvo_priv->max_hscan -
2037                                 sdvo_priv->left_margin;
2038                         cmd = SDVO_CMD_SET_OVERSCAN_H;
2039                 } else if (sdvo_priv->top_property == property) {
2040                         drm_connector_property_set_value(connector,
2041                                 sdvo_priv->bottom_property, val);
2042                         if (sdvo_priv->top_margin == temp_value)
2043                                 goto out;
2044
2045                         sdvo_priv->top_margin = temp_value;
2046                         sdvo_priv->bottom_margin = temp_value;
2047                         temp_value = sdvo_priv->max_vscan -
2048                                         sdvo_priv->top_margin;
2049                         cmd = SDVO_CMD_SET_OVERSCAN_V;
2050                 } else if (sdvo_priv->bottom_property == property) {
2051                         drm_connector_property_set_value(connector,
2052                                 sdvo_priv->top_property, val);
2053                         if (sdvo_priv->bottom_margin == temp_value)
2054                                 goto out;
2055                         sdvo_priv->top_margin = temp_value;
2056                         sdvo_priv->bottom_margin = temp_value;
2057                         temp_value = sdvo_priv->max_vscan -
2058                                         sdvo_priv->top_margin;
2059                         cmd = SDVO_CMD_SET_OVERSCAN_V;
2060                 } else if (sdvo_priv->hpos_property == property) {
2061                         if (sdvo_priv->cur_hpos == temp_value)
2062                                 goto out;
2063
2064                         cmd = SDVO_CMD_SET_POSITION_H;
2065                         sdvo_priv->cur_hpos = temp_value;
2066                 } else if (sdvo_priv->vpos_property == property) {
2067                         if (sdvo_priv->cur_vpos == temp_value)
2068                                 goto out;
2069
2070                         cmd = SDVO_CMD_SET_POSITION_V;
2071                         sdvo_priv->cur_vpos = temp_value;
2072                 } else if (sdvo_priv->saturation_property == property) {
2073                         if (sdvo_priv->cur_saturation == temp_value)
2074                                 goto out;
2075
2076                         cmd = SDVO_CMD_SET_SATURATION;
2077                         sdvo_priv->cur_saturation = temp_value;
2078                 } else if (sdvo_priv->contrast_property == property) {
2079                         if (sdvo_priv->cur_contrast == temp_value)
2080                                 goto out;
2081
2082                         cmd = SDVO_CMD_SET_CONTRAST;
2083                         sdvo_priv->cur_contrast = temp_value;
2084                 } else if (sdvo_priv->hue_property == property) {
2085                         if (sdvo_priv->cur_hue == temp_value)
2086                                 goto out;
2087
2088                         cmd = SDVO_CMD_SET_HUE;
2089                         sdvo_priv->cur_hue = temp_value;
2090                 } else if (sdvo_priv->brightness_property == property) {
2091                         if (sdvo_priv->cur_brightness == temp_value)
2092                                 goto out;
2093
2094                         cmd = SDVO_CMD_SET_BRIGHTNESS;
2095                         sdvo_priv->cur_brightness = temp_value;
2096                 }
2097                 if (cmd) {
2098                         intel_sdvo_write_cmd(intel_output, cmd, &temp_value, 2);
2099                         status = intel_sdvo_read_response(intel_output,
2100                                                                 NULL, 0);
2101                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2102                                 DRM_DEBUG_KMS("Incorrect SDVO command \n");
2103                                 return -EINVAL;
2104                         }
2105                         changed = true;
2106                 }
2107         }
2108         if (changed && crtc)
2109                 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
2110                                 crtc->y, crtc->fb);
2111 out:
2112         return ret;
2113 }
2114
2115 static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
2116         .dpms = intel_sdvo_dpms,
2117         .mode_fixup = intel_sdvo_mode_fixup,
2118         .prepare = intel_encoder_prepare,
2119         .mode_set = intel_sdvo_mode_set,
2120         .commit = intel_encoder_commit,
2121 };
2122
2123 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
2124         .dpms = drm_helper_connector_dpms,
2125         .save = intel_sdvo_save,
2126         .restore = intel_sdvo_restore,
2127         .detect = intel_sdvo_detect,
2128         .fill_modes = drm_helper_probe_single_connector_modes,
2129         .set_property = intel_sdvo_set_property,
2130         .destroy = intel_sdvo_destroy,
2131 };
2132
2133 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
2134         .get_modes = intel_sdvo_get_modes,
2135         .mode_valid = intel_sdvo_mode_valid,
2136         .best_encoder = intel_best_encoder,
2137 };
2138
2139 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
2140 {
2141         drm_encoder_cleanup(encoder);
2142 }
2143
2144 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
2145         .destroy = intel_sdvo_enc_destroy,
2146 };
2147
2148
2149 /**
2150  * Choose the appropriate DDC bus for control bus switch command for this
2151  * SDVO output based on the controlled output.
2152  *
2153  * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
2154  * outputs, then LVDS outputs.
2155  */
2156 static void
2157 intel_sdvo_select_ddc_bus(struct intel_sdvo_priv *dev_priv)
2158 {
2159         uint16_t mask = 0;
2160         unsigned int num_bits;
2161
2162         /* Make a mask of outputs less than or equal to our own priority in the
2163          * list.
2164          */
2165         switch (dev_priv->controlled_output) {
2166         case SDVO_OUTPUT_LVDS1:
2167                 mask |= SDVO_OUTPUT_LVDS1;
2168         case SDVO_OUTPUT_LVDS0:
2169                 mask |= SDVO_OUTPUT_LVDS0;
2170         case SDVO_OUTPUT_TMDS1:
2171                 mask |= SDVO_OUTPUT_TMDS1;
2172         case SDVO_OUTPUT_TMDS0:
2173                 mask |= SDVO_OUTPUT_TMDS0;
2174         case SDVO_OUTPUT_RGB1:
2175                 mask |= SDVO_OUTPUT_RGB1;
2176         case SDVO_OUTPUT_RGB0:
2177                 mask |= SDVO_OUTPUT_RGB0;
2178                 break;
2179         }
2180
2181         /* Count bits to find what number we are in the priority list. */
2182         mask &= dev_priv->caps.output_flags;
2183         num_bits = hweight16(mask);
2184         if (num_bits > 3) {
2185                 /* if more than 3 outputs, default to DDC bus 3 for now */
2186                 num_bits = 3;
2187         }
2188
2189         /* Corresponds to SDVO_CONTROL_BUS_DDCx */
2190         dev_priv->ddc_bus = 1 << num_bits;
2191 }
2192
2193 static bool
2194 intel_sdvo_get_digital_encoding_mode(struct intel_output *output)
2195 {
2196         struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
2197         uint8_t status;
2198
2199         intel_sdvo_set_target_output(output, sdvo_priv->controlled_output);
2200
2201         intel_sdvo_write_cmd(output, SDVO_CMD_GET_ENCODE, NULL, 0);
2202         status = intel_sdvo_read_response(output, &sdvo_priv->is_hdmi, 1);
2203         if (status != SDVO_CMD_STATUS_SUCCESS)
2204                 return false;
2205         return true;
2206 }
2207
2208 static struct intel_output *
2209 intel_sdvo_chan_to_intel_output(struct intel_i2c_chan *chan)
2210 {
2211         struct drm_device *dev = chan->drm_dev;
2212         struct drm_connector *connector;
2213         struct intel_output *intel_output = NULL;
2214
2215         list_for_each_entry(connector,
2216                         &dev->mode_config.connector_list, head) {
2217                 if (to_intel_output(connector)->ddc_bus == &chan->adapter) {
2218                         intel_output = to_intel_output(connector);
2219                         break;
2220                 }
2221         }
2222         return intel_output;
2223 }
2224
2225 static int intel_sdvo_master_xfer(struct i2c_adapter *i2c_adap,
2226                                   struct i2c_msg msgs[], int num)
2227 {
2228         struct intel_output *intel_output;
2229         struct intel_sdvo_priv *sdvo_priv;
2230         struct i2c_algo_bit_data *algo_data;
2231         const struct i2c_algorithm *algo;
2232
2233         algo_data = (struct i2c_algo_bit_data *)i2c_adap->algo_data;
2234         intel_output =
2235                 intel_sdvo_chan_to_intel_output(
2236                                 (struct intel_i2c_chan *)(algo_data->data));
2237         if (intel_output == NULL)
2238                 return -EINVAL;
2239
2240         sdvo_priv = intel_output->dev_priv;
2241         algo = intel_output->i2c_bus->algo;
2242
2243         intel_sdvo_set_control_bus_switch(intel_output, sdvo_priv->ddc_bus);
2244         return algo->master_xfer(i2c_adap, msgs, num);
2245 }
2246
2247 static struct i2c_algorithm intel_sdvo_i2c_bit_algo = {
2248         .master_xfer    = intel_sdvo_master_xfer,
2249 };
2250
2251 static u8
2252 intel_sdvo_get_slave_addr(struct drm_device *dev, int output_device)
2253 {
2254         struct drm_i915_private *dev_priv = dev->dev_private;
2255         struct sdvo_device_mapping *my_mapping, *other_mapping;
2256
2257         if (output_device == SDVOB) {
2258                 my_mapping = &dev_priv->sdvo_mappings[0];
2259                 other_mapping = &dev_priv->sdvo_mappings[1];
2260         } else {
2261                 my_mapping = &dev_priv->sdvo_mappings[1];
2262                 other_mapping = &dev_priv->sdvo_mappings[0];
2263         }
2264
2265         /* If the BIOS described our SDVO device, take advantage of it. */
2266         if (my_mapping->slave_addr)
2267                 return my_mapping->slave_addr;
2268
2269         /* If the BIOS only described a different SDVO device, use the
2270          * address that it isn't using.
2271          */
2272         if (other_mapping->slave_addr) {
2273                 if (other_mapping->slave_addr == 0x70)
2274                         return 0x72;
2275                 else
2276                         return 0x70;
2277         }
2278
2279         /* No SDVO device info is found for another DVO port,
2280          * so use mapping assumption we had before BIOS parsing.
2281          */
2282         if (output_device == SDVOB)
2283                 return 0x70;
2284         else
2285                 return 0x72;
2286 }
2287
2288 static int intel_sdvo_bad_tv_callback(const struct dmi_system_id *id)
2289 {
2290         DRM_DEBUG_KMS("Ignoring bad SDVO TV connector for %s\n", id->ident);
2291         return 1;
2292 }
2293
2294 static struct dmi_system_id intel_sdvo_bad_tv[] = {
2295         {
2296                 .callback = intel_sdvo_bad_tv_callback,
2297                 .ident = "IntelG45/ICH10R/DME1737",
2298                 .matches = {
2299                         DMI_MATCH(DMI_SYS_VENDOR, "IBM CORPORATION"),
2300                         DMI_MATCH(DMI_PRODUCT_NAME, "4800784"),
2301                 },
2302         },
2303
2304         { }     /* terminating entry */
2305 };
2306
2307 static bool
2308 intel_sdvo_output_setup(struct intel_output *intel_output, uint16_t flags)
2309 {
2310         struct drm_connector *connector = &intel_output->base;
2311         struct drm_encoder *encoder = &intel_output->enc;
2312         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
2313         bool ret = true, registered = false;
2314
2315         sdvo_priv->is_tv = false;
2316         intel_output->needs_tv_clock = false;
2317         sdvo_priv->is_lvds = false;
2318
2319         if (device_is_registered(&connector->kdev)) {
2320                 drm_sysfs_connector_remove(connector);
2321                 registered = true;
2322         }
2323
2324         if (flags &
2325             (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)) {
2326                 if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS0)
2327                         sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS0;
2328                 else
2329                         sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS1;
2330
2331                 encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2332                 connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2333
2334                 if (intel_sdvo_get_supp_encode(intel_output,
2335                                                &sdvo_priv->encode) &&
2336                     intel_sdvo_get_digital_encoding_mode(intel_output) &&
2337                     sdvo_priv->is_hdmi) {
2338                         /* enable hdmi encoding mode if supported */
2339                         intel_sdvo_set_encode(intel_output, SDVO_ENCODE_HDMI);
2340                         intel_sdvo_set_colorimetry(intel_output,
2341                                                    SDVO_COLORIMETRY_RGB256);
2342                         connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2343                         intel_output->clone_mask =
2344                                         (1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2345                                         (1 << INTEL_ANALOG_CLONE_BIT);
2346                 }
2347         } else if ((flags & SDVO_OUTPUT_SVID0) &&
2348                    !dmi_check_system(intel_sdvo_bad_tv)) {
2349
2350                 sdvo_priv->controlled_output = SDVO_OUTPUT_SVID0;
2351                 encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2352                 connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2353                 sdvo_priv->is_tv = true;
2354                 intel_output->needs_tv_clock = true;
2355                 intel_output->clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2356         } else if (flags & SDVO_OUTPUT_RGB0) {
2357
2358                 sdvo_priv->controlled_output = SDVO_OUTPUT_RGB0;
2359                 encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2360                 connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2361                 intel_output->clone_mask = (1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2362                                         (1 << INTEL_ANALOG_CLONE_BIT);
2363         } else if (flags & SDVO_OUTPUT_RGB1) {
2364
2365                 sdvo_priv->controlled_output = SDVO_OUTPUT_RGB1;
2366                 encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2367                 connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2368                 intel_output->clone_mask = (1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2369                                         (1 << INTEL_ANALOG_CLONE_BIT);
2370         } else if (flags & SDVO_OUTPUT_CVBS0) {
2371
2372                 sdvo_priv->controlled_output = SDVO_OUTPUT_CVBS0;
2373                 encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2374                 connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2375                 sdvo_priv->is_tv = true;
2376                 intel_output->needs_tv_clock = true;
2377                 intel_output->clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2378         } else if (flags & SDVO_OUTPUT_LVDS0) {
2379
2380                 sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS0;
2381                 encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2382                 connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2383                 sdvo_priv->is_lvds = true;
2384                 intel_output->clone_mask = (1 << INTEL_ANALOG_CLONE_BIT) |
2385                                         (1 << INTEL_SDVO_LVDS_CLONE_BIT);
2386         } else if (flags & SDVO_OUTPUT_LVDS1) {
2387
2388                 sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS1;
2389                 encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2390                 connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2391                 sdvo_priv->is_lvds = true;
2392                 intel_output->clone_mask = (1 << INTEL_ANALOG_CLONE_BIT) |
2393                                         (1 << INTEL_SDVO_LVDS_CLONE_BIT);
2394         } else {
2395
2396                 unsigned char bytes[2];
2397
2398                 sdvo_priv->controlled_output = 0;
2399                 memcpy(bytes, &sdvo_priv->caps.output_flags, 2);
2400                 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2401                               SDVO_NAME(sdvo_priv),
2402                               bytes[0], bytes[1]);
2403                 ret = false;
2404         }
2405         intel_output->crtc_mask = (1 << 0) | (1 << 1);
2406
2407         if (ret && registered)
2408                 ret = drm_sysfs_connector_add(connector) == 0 ? true : false;
2409
2410
2411         return ret;
2412
2413 }
2414
2415 static void intel_sdvo_tv_create_property(struct drm_connector *connector)
2416 {
2417       struct intel_output *intel_output = to_intel_output(connector);
2418         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
2419         struct intel_sdvo_tv_format format;
2420         uint32_t format_map, i;
2421         uint8_t status;
2422
2423         intel_sdvo_set_target_output(intel_output,
2424                                      sdvo_priv->controlled_output);
2425
2426         intel_sdvo_write_cmd(intel_output,
2427                              SDVO_CMD_GET_SUPPORTED_TV_FORMATS, NULL, 0);
2428         status = intel_sdvo_read_response(intel_output,
2429                                           &format, sizeof(format));
2430         if (status != SDVO_CMD_STATUS_SUCCESS)
2431                 return;
2432
2433         memcpy(&format_map, &format, sizeof(format) > sizeof(format_map) ?
2434                sizeof(format_map) : sizeof(format));
2435
2436         if (format_map == 0)
2437                 return;
2438
2439         sdvo_priv->format_supported_num = 0;
2440         for (i = 0 ; i < TV_FORMAT_NUM; i++)
2441                 if (format_map & (1 << i)) {
2442                         sdvo_priv->tv_format_supported
2443                         [sdvo_priv->format_supported_num++] =
2444                         tv_format_names[i];
2445                 }
2446
2447
2448         sdvo_priv->tv_format_property =
2449                         drm_property_create(
2450                                 connector->dev, DRM_MODE_PROP_ENUM,
2451                                 "mode", sdvo_priv->format_supported_num);
2452
2453         for (i = 0; i < sdvo_priv->format_supported_num; i++)
2454                 drm_property_add_enum(
2455                                 sdvo_priv->tv_format_property, i,
2456                                 i, sdvo_priv->tv_format_supported[i]);
2457
2458         sdvo_priv->tv_format_name = sdvo_priv->tv_format_supported[0];
2459         drm_connector_attach_property(
2460                         connector, sdvo_priv->tv_format_property, 0);
2461
2462 }
2463
2464 static void intel_sdvo_create_enhance_property(struct drm_connector *connector)
2465 {
2466         struct intel_output *intel_output = to_intel_output(connector);
2467         struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
2468         struct intel_sdvo_enhancements_reply sdvo_data;
2469         struct drm_device *dev = connector->dev;
2470         uint8_t status;
2471         uint16_t response, data_value[2];
2472
2473         intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2474                                                 NULL, 0);
2475         status = intel_sdvo_read_response(intel_output, &sdvo_data,
2476                                         sizeof(sdvo_data));
2477         if (status != SDVO_CMD_STATUS_SUCCESS) {
2478                 DRM_DEBUG_KMS(" incorrect response is returned\n");
2479                 return;
2480         }
2481         response = *((uint16_t *)&sdvo_data);
2482         if (!response) {
2483                 DRM_DEBUG_KMS("No enhancement is supported\n");
2484                 return;
2485         }
2486         if (sdvo_priv->is_tv) {
2487                 /* when horizontal overscan is supported, Add the left/right
2488                  * property
2489                  */
2490                 if (sdvo_data.overscan_h) {
2491                         intel_sdvo_write_cmd(intel_output,
2492                                 SDVO_CMD_GET_MAX_OVERSCAN_H, NULL, 0);
2493                         status = intel_sdvo_read_response(intel_output,
2494                                 &data_value, 4);
2495                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2496                                 DRM_DEBUG_KMS("Incorrect SDVO max "
2497                                                 "h_overscan\n");
2498                                 return;
2499                         }
2500                         intel_sdvo_write_cmd(intel_output,
2501                                 SDVO_CMD_GET_OVERSCAN_H, NULL, 0);
2502                         status = intel_sdvo_read_response(intel_output,
2503                                 &response, 2);
2504                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2505                                 DRM_DEBUG_KMS("Incorrect SDVO h_overscan\n");
2506                                 return;
2507                         }
2508                         sdvo_priv->max_hscan = data_value[0];
2509                         sdvo_priv->left_margin = data_value[0] - response;
2510                         sdvo_priv->right_margin = sdvo_priv->left_margin;
2511                         sdvo_priv->left_property =
2512                                 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2513                                                 "left_margin", 2);
2514                         sdvo_priv->left_property->values[0] = 0;
2515                         sdvo_priv->left_property->values[1] = data_value[0];
2516                         drm_connector_attach_property(connector,
2517                                                 sdvo_priv->left_property,
2518                                                 sdvo_priv->left_margin);
2519                         sdvo_priv->right_property =
2520                                 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2521                                                 "right_margin", 2);
2522                         sdvo_priv->right_property->values[0] = 0;
2523                         sdvo_priv->right_property->values[1] = data_value[0];
2524                         drm_connector_attach_property(connector,
2525                                                 sdvo_priv->right_property,
2526                                                 sdvo_priv->right_margin);
2527                         DRM_DEBUG_KMS("h_overscan: max %d, "
2528                                         "default %d, current %d\n",
2529                                         data_value[0], data_value[1], response);
2530                 }
2531                 if (sdvo_data.overscan_v) {
2532                         intel_sdvo_write_cmd(intel_output,
2533                                 SDVO_CMD_GET_MAX_OVERSCAN_V, NULL, 0);
2534                         status = intel_sdvo_read_response(intel_output,
2535                                 &data_value, 4);
2536                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2537                                 DRM_DEBUG_KMS("Incorrect SDVO max "
2538                                                 "v_overscan\n");
2539                                 return;
2540                         }
2541                         intel_sdvo_write_cmd(intel_output,
2542                                 SDVO_CMD_GET_OVERSCAN_V, NULL, 0);
2543                         status = intel_sdvo_read_response(intel_output,
2544                                 &response, 2);
2545                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2546                                 DRM_DEBUG_KMS("Incorrect SDVO v_overscan\n");
2547                                 return;
2548                         }
2549                         sdvo_priv->max_vscan = data_value[0];
2550                         sdvo_priv->top_margin = data_value[0] - response;
2551                         sdvo_priv->bottom_margin = sdvo_priv->top_margin;
2552                         sdvo_priv->top_property =
2553                                 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2554                                                 "top_margin", 2);
2555                         sdvo_priv->top_property->values[0] = 0;
2556                         sdvo_priv->top_property->values[1] = data_value[0];
2557                         drm_connector_attach_property(connector,
2558                                                 sdvo_priv->top_property,
2559                                                 sdvo_priv->top_margin);
2560                         sdvo_priv->bottom_property =
2561                                 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2562                                                 "bottom_margin", 2);
2563                         sdvo_priv->bottom_property->values[0] = 0;
2564                         sdvo_priv->bottom_property->values[1] = data_value[0];
2565                         drm_connector_attach_property(connector,
2566                                                 sdvo_priv->bottom_property,
2567                                                 sdvo_priv->bottom_margin);
2568                         DRM_DEBUG_KMS("v_overscan: max %d, "
2569                                         "default %d, current %d\n",
2570                                         data_value[0], data_value[1], response);
2571                 }
2572                 if (sdvo_data.position_h) {
2573                         intel_sdvo_write_cmd(intel_output,
2574                                 SDVO_CMD_GET_MAX_POSITION_H, NULL, 0);
2575                         status = intel_sdvo_read_response(intel_output,
2576                                 &data_value, 4);
2577                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2578                                 DRM_DEBUG_KMS("Incorrect SDVO Max h_pos\n");
2579                                 return;
2580                         }
2581                         intel_sdvo_write_cmd(intel_output,
2582                                 SDVO_CMD_GET_POSITION_H, NULL, 0);
2583                         status = intel_sdvo_read_response(intel_output,
2584                                 &response, 2);
2585                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2586                                 DRM_DEBUG_KMS("Incorrect SDVO get h_postion\n");
2587                                 return;
2588                         }
2589                         sdvo_priv->max_hpos = data_value[0];
2590                         sdvo_priv->cur_hpos = response;
2591                         sdvo_priv->hpos_property =
2592                                 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2593                                                 "hpos", 2);
2594                         sdvo_priv->hpos_property->values[0] = 0;
2595                         sdvo_priv->hpos_property->values[1] = data_value[0];
2596                         drm_connector_attach_property(connector,
2597                                                 sdvo_priv->hpos_property,
2598                                                 sdvo_priv->cur_hpos);
2599                         DRM_DEBUG_KMS("h_position: max %d, "
2600                                         "default %d, current %d\n",
2601                                         data_value[0], data_value[1], response);
2602                 }
2603                 if (sdvo_data.position_v) {
2604                         intel_sdvo_write_cmd(intel_output,
2605                                 SDVO_CMD_GET_MAX_POSITION_V, NULL, 0);
2606                         status = intel_sdvo_read_response(intel_output,
2607                                 &data_value, 4);
2608                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2609                                 DRM_DEBUG_KMS("Incorrect SDVO Max v_pos\n");
2610                                 return;
2611                         }
2612                         intel_sdvo_write_cmd(intel_output,
2613                                 SDVO_CMD_GET_POSITION_V, NULL, 0);
2614                         status = intel_sdvo_read_response(intel_output,
2615                                 &response, 2);
2616                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2617                                 DRM_DEBUG_KMS("Incorrect SDVO get v_postion\n");
2618                                 return;
2619                         }
2620                         sdvo_priv->max_vpos = data_value[0];
2621                         sdvo_priv->cur_vpos = response;
2622                         sdvo_priv->vpos_property =
2623                                 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2624                                                 "vpos", 2);
2625                         sdvo_priv->vpos_property->values[0] = 0;
2626                         sdvo_priv->vpos_property->values[1] = data_value[0];
2627                         drm_connector_attach_property(connector,
2628                                                 sdvo_priv->vpos_property,
2629                                                 sdvo_priv->cur_vpos);
2630                         DRM_DEBUG_KMS("v_position: max %d, "
2631                                         "default %d, current %d\n",
2632                                         data_value[0], data_value[1], response);
2633                 }
2634         }
2635         if (sdvo_priv->is_tv) {
2636                 if (sdvo_data.saturation) {
2637                         intel_sdvo_write_cmd(intel_output,
2638                                 SDVO_CMD_GET_MAX_SATURATION, NULL, 0);
2639                         status = intel_sdvo_read_response(intel_output,
2640                                 &data_value, 4);
2641                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2642                                 DRM_DEBUG_KMS("Incorrect SDVO Max sat\n");
2643                                 return;
2644                         }
2645                         intel_sdvo_write_cmd(intel_output,
2646                                 SDVO_CMD_GET_SATURATION, NULL, 0);
2647                         status = intel_sdvo_read_response(intel_output,
2648                                 &response, 2);
2649                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2650                                 DRM_DEBUG_KMS("Incorrect SDVO get sat\n");
2651                                 return;
2652                         }
2653                         sdvo_priv->max_saturation = data_value[0];
2654                         sdvo_priv->cur_saturation = response;
2655                         sdvo_priv->saturation_property =
2656                                 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2657                                                 "saturation", 2);
2658                         sdvo_priv->saturation_property->values[0] = 0;
2659                         sdvo_priv->saturation_property->values[1] =
2660                                                         data_value[0];
2661                         drm_connector_attach_property(connector,
2662                                                 sdvo_priv->saturation_property,
2663                                                 sdvo_priv->cur_saturation);
2664                         DRM_DEBUG_KMS("saturation: max %d, "
2665                                         "default %d, current %d\n",
2666                                         data_value[0], data_value[1], response);
2667                 }
2668                 if (sdvo_data.contrast) {
2669                         intel_sdvo_write_cmd(intel_output,
2670                                 SDVO_CMD_GET_MAX_CONTRAST, NULL, 0);
2671                         status = intel_sdvo_read_response(intel_output,
2672                                 &data_value, 4);
2673                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2674                                 DRM_DEBUG_KMS("Incorrect SDVO Max contrast\n");
2675                                 return;
2676                         }
2677                         intel_sdvo_write_cmd(intel_output,
2678                                 SDVO_CMD_GET_CONTRAST, NULL, 0);
2679                         status = intel_sdvo_read_response(intel_output,
2680                                 &response, 2);
2681                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2682                                 DRM_DEBUG_KMS("Incorrect SDVO get contrast\n");
2683                                 return;
2684                         }
2685                         sdvo_priv->max_contrast = data_value[0];
2686                         sdvo_priv->cur_contrast = response;
2687                         sdvo_priv->contrast_property =
2688                                 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2689                                                 "contrast", 2);
2690                         sdvo_priv->contrast_property->values[0] = 0;
2691                         sdvo_priv->contrast_property->values[1] = data_value[0];
2692                         drm_connector_attach_property(connector,
2693                                                 sdvo_priv->contrast_property,
2694                                                 sdvo_priv->cur_contrast);
2695                         DRM_DEBUG_KMS("contrast: max %d, "
2696                                         "default %d, current %d\n",
2697                                         data_value[0], data_value[1], response);
2698                 }
2699                 if (sdvo_data.hue) {
2700                         intel_sdvo_write_cmd(intel_output,
2701                                 SDVO_CMD_GET_MAX_HUE, NULL, 0);
2702                         status = intel_sdvo_read_response(intel_output,
2703                                 &data_value, 4);
2704                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2705                                 DRM_DEBUG_KMS("Incorrect SDVO Max hue\n");
2706                                 return;
2707                         }
2708                         intel_sdvo_write_cmd(intel_output,
2709                                 SDVO_CMD_GET_HUE, NULL, 0);
2710                         status = intel_sdvo_read_response(intel_output,
2711                                 &response, 2);
2712                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2713                                 DRM_DEBUG_KMS("Incorrect SDVO get hue\n");
2714                                 return;
2715                         }
2716                         sdvo_priv->max_hue = data_value[0];
2717                         sdvo_priv->cur_hue = response;
2718                         sdvo_priv->hue_property =
2719                                 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2720                                                 "hue", 2);
2721                         sdvo_priv->hue_property->values[0] = 0;
2722                         sdvo_priv->hue_property->values[1] =
2723                                                         data_value[0];
2724                         drm_connector_attach_property(connector,
2725                                                 sdvo_priv->hue_property,
2726                                                 sdvo_priv->cur_hue);
2727                         DRM_DEBUG_KMS("hue: max %d, default %d, current %d\n",
2728                                         data_value[0], data_value[1], response);
2729                 }
2730         }
2731         if (sdvo_priv->is_tv || sdvo_priv->is_lvds) {
2732                 if (sdvo_data.brightness) {
2733                         intel_sdvo_write_cmd(intel_output,
2734                                 SDVO_CMD_GET_MAX_BRIGHTNESS, NULL, 0);
2735                         status = intel_sdvo_read_response(intel_output,
2736                                 &data_value, 4);
2737                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2738                                 DRM_DEBUG_KMS("Incorrect SDVO Max bright\n");
2739                                 return;
2740                         }
2741                         intel_sdvo_write_cmd(intel_output,
2742                                 SDVO_CMD_GET_BRIGHTNESS, NULL, 0);
2743                         status = intel_sdvo_read_response(intel_output,
2744                                 &response, 2);
2745                         if (status != SDVO_CMD_STATUS_SUCCESS) {
2746                                 DRM_DEBUG_KMS("Incorrect SDVO get brigh\n");
2747                                 return;
2748                         }
2749                         sdvo_priv->max_brightness = data_value[0];
2750                         sdvo_priv->cur_brightness = response;
2751                         sdvo_priv->brightness_property =
2752                                 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2753                                                 "brightness", 2);
2754                         sdvo_priv->brightness_property->values[0] = 0;
2755                         sdvo_priv->brightness_property->values[1] =
2756                                                         data_value[0];
2757                         drm_connector_attach_property(connector,
2758                                                 sdvo_priv->brightness_property,
2759                                                 sdvo_priv->cur_brightness);
2760                         DRM_DEBUG_KMS("brightness: max %d, "
2761                                         "default %d, current %d\n",
2762                                         data_value[0], data_value[1], response);
2763                 }
2764         }
2765         return;
2766 }
2767
2768 bool intel_sdvo_init(struct drm_device *dev, int output_device)
2769 {
2770         struct drm_i915_private *dev_priv = dev->dev_private;
2771         struct drm_connector *connector;
2772         struct intel_output *intel_output;
2773         struct intel_sdvo_priv *sdvo_priv;
2774
2775         u8 ch[0x40];
2776         int i;
2777
2778         intel_output = kcalloc(sizeof(struct intel_output)+sizeof(struct intel_sdvo_priv), 1, GFP_KERNEL);
2779         if (!intel_output) {
2780                 return false;
2781         }
2782
2783         sdvo_priv = (struct intel_sdvo_priv *)(intel_output + 1);
2784         sdvo_priv->output_device = output_device;
2785
2786         intel_output->dev_priv = sdvo_priv;
2787         intel_output->type = INTEL_OUTPUT_SDVO;
2788
2789         /* setup the DDC bus. */
2790         if (output_device == SDVOB)
2791                 intel_output->i2c_bus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOB");
2792         else
2793                 intel_output->i2c_bus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOC");
2794
2795         if (!intel_output->i2c_bus)
2796                 goto err_inteloutput;
2797
2798         sdvo_priv->slave_addr = intel_sdvo_get_slave_addr(dev, output_device);
2799
2800         /* Save the bit-banging i2c functionality for use by the DDC wrapper */
2801         intel_sdvo_i2c_bit_algo.functionality = intel_output->i2c_bus->algo->functionality;
2802
2803         /* Read the regs to test if we can talk to the device */
2804         for (i = 0; i < 0x40; i++) {
2805                 if (!intel_sdvo_read_byte(intel_output, i, &ch[i])) {
2806                         DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
2807                                         output_device == SDVOB ? 'B' : 'C');
2808                         goto err_i2c;
2809                 }
2810         }
2811
2812         /* setup the DDC bus. */
2813         if (output_device == SDVOB) {
2814                 intel_output->ddc_bus = intel_i2c_create(dev, GPIOE, "SDVOB DDC BUS");
2815                 sdvo_priv->analog_ddc_bus = intel_i2c_create(dev, GPIOA,
2816                                                 "SDVOB/VGA DDC BUS");
2817                 dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
2818         } else {
2819                 intel_output->ddc_bus = intel_i2c_create(dev, GPIOE, "SDVOC DDC BUS");
2820                 sdvo_priv->analog_ddc_bus = intel_i2c_create(dev, GPIOA,
2821                                                 "SDVOC/VGA DDC BUS");
2822                 dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
2823         }
2824
2825         if (intel_output->ddc_bus == NULL)
2826                 goto err_i2c;
2827
2828         /* Wrap with our custom algo which switches to DDC mode */
2829         intel_output->ddc_bus->algo = &intel_sdvo_i2c_bit_algo;
2830
2831         /* In default case sdvo lvds is false */
2832         intel_sdvo_get_capabilities(intel_output, &sdvo_priv->caps);
2833
2834         if (intel_sdvo_output_setup(intel_output,
2835                                     sdvo_priv->caps.output_flags) != true) {
2836                 DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
2837                           output_device == SDVOB ? 'B' : 'C');
2838                 goto err_i2c;
2839         }
2840
2841
2842         connector = &intel_output->base;
2843         drm_connector_init(dev, connector, &intel_sdvo_connector_funcs,
2844                            connector->connector_type);
2845
2846         drm_connector_helper_add(connector, &intel_sdvo_connector_helper_funcs);
2847         connector->interlace_allowed = 0;
2848         connector->doublescan_allowed = 0;
2849         connector->display_info.subpixel_order = SubPixelHorizontalRGB;
2850
2851         drm_encoder_init(dev, &intel_output->enc,
2852                         &intel_sdvo_enc_funcs, intel_output->enc.encoder_type);
2853
2854         drm_encoder_helper_add(&intel_output->enc, &intel_sdvo_helper_funcs);
2855
2856         drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);
2857         if (sdvo_priv->is_tv)
2858                 intel_sdvo_tv_create_property(connector);
2859
2860         if (sdvo_priv->is_tv || sdvo_priv->is_lvds)
2861                 intel_sdvo_create_enhance_property(connector);
2862
2863         drm_sysfs_connector_add(connector);
2864
2865         intel_sdvo_select_ddc_bus(sdvo_priv);
2866
2867         /* Set the input timing to the screen. Assume always input 0. */
2868         intel_sdvo_set_target_input(intel_output, true, false);
2869
2870         intel_sdvo_get_input_pixel_clock_range(intel_output,
2871                                                &sdvo_priv->pixel_clock_min,
2872                                                &sdvo_priv->pixel_clock_max);
2873
2874
2875         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2876                         "clock range %dMHz - %dMHz, "
2877                         "input 1: %c, input 2: %c, "
2878                         "output 1: %c, output 2: %c\n",
2879                         SDVO_NAME(sdvo_priv),
2880                         sdvo_priv->caps.vendor_id, sdvo_priv->caps.device_id,
2881                         sdvo_priv->caps.device_rev_id,
2882                         sdvo_priv->pixel_clock_min / 1000,
2883                         sdvo_priv->pixel_clock_max / 1000,
2884                         (sdvo_priv->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2885                         (sdvo_priv->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2886                         /* check currently supported outputs */
2887                         sdvo_priv->caps.output_flags &
2888                         (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2889                         sdvo_priv->caps.output_flags &
2890                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2891
2892         return true;
2893
2894 err_i2c:
2895         if (sdvo_priv->analog_ddc_bus != NULL)
2896                 intel_i2c_destroy(sdvo_priv->analog_ddc_bus);
2897         if (intel_output->ddc_bus != NULL)
2898                 intel_i2c_destroy(intel_output->ddc_bus);
2899         if (intel_output->i2c_bus != NULL)
2900                 intel_i2c_destroy(intel_output->i2c_bus);
2901 err_inteloutput:
2902         kfree(intel_output);
2903
2904         return false;
2905 }