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 "drm_edid.h"
  35 #include "intel_drv.h"
  36 #include "i915_drm.h"
  37 #include "i915_drv.h"
  38 #include "intel_sdvo_regs.h"
  39
  40 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
  41 #define SDVO_RGB_MASK  (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
  42 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
  43 #define SDVO_TV_MASK   (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0)
  44
  45 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
  46                          SDVO_TV_MASK)
  47
  48 #define IS_TV(c)        (c->output_flag & SDVO_TV_MASK)
  49 #define IS_LVDS(c)      (c->output_flag & SDVO_LVDS_MASK)
  50 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
  51
  52
  53 static const char *tv_format_names[] = {
  54         "NTSC_M"   , "NTSC_J"  , "NTSC_443",
  55         "PAL_B"    , "PAL_D"   , "PAL_G"   ,
  56         "PAL_H"    , "PAL_I"   , "PAL_M"   ,
  57         "PAL_N"    , "PAL_NC"  , "PAL_60"  ,
  58         "SECAM_B"  , "SECAM_D" , "SECAM_G" ,
  59         "SECAM_K"  , "SECAM_K1", "SECAM_L" ,
  60         "SECAM_60"
  61 };
  62
  63 #define TV_FORMAT_NUM  (sizeof(tv_format_names) / sizeof(*tv_format_names))
  64
  65 struct intel_sdvo {
  66         struct intel_encoder base;
  67
  68         struct i2c_adapter *i2c;
  69         u8 slave_addr;
  70
  71         struct i2c_adapter ddc;
  72
  73         /* Register for the SDVO device: SDVOB or SDVOC */
  74         int sdvo_reg;
  75
  76         /* Active outputs controlled by this SDVO output */
  77         uint16_t controlled_output;
  78
  79         /*
  80          * Capabilities of the SDVO device returned by
  81          * i830_sdvo_get_capabilities()
  82          */
  83         struct intel_sdvo_caps caps;
  84
  85         /* Pixel clock limitations reported by the SDVO device, in kHz */
  86         int pixel_clock_min, pixel_clock_max;
  87
  88         /*
  89         * For multiple function SDVO device,
  90         * this is for current attached outputs.
  91         */
  92         uint16_t attached_output;
  93
  94         /**
  95          * This is set if we're going to treat the device as TV-out.
  96          *
  97          * While we have these nice friendly flags for output types that ought
  98          * to decide this for us, the S-Video output on our HDMI+S-Video card
  99          * shows up as RGB1 (VGA).
 100          */
 101         bool is_tv;
 102
 103         /* This is for current tv format name */
 104         int tv_format_index;
 105
 106         /**
 107          * This is set if we treat the device as HDMI, instead of DVI.
 108          */
 109         bool is_hdmi;
 110         bool has_audio;
 111
 112         /**
 113          * This is set if we detect output of sdvo device as LVDS and
 114          * have a valid fixed mode to use with the panel.
 115          */
 116         bool is_lvds;
 117
 118         /**
 119          * This is sdvo fixed pannel mode pointer
 120          */
 121         struct drm_display_mode *sdvo_lvds_fixed_mode;
 122
 123         /* DDC bus used by this SDVO encoder */
 124         uint8_t ddc_bus;
 125
 126         /* Input timings for adjusted_mode */
 127         struct intel_sdvo_dtd input_dtd;
 128 };
 129
 130 struct intel_sdvo_connector {
 131         struct intel_connector base;
 132
 133         /* Mark the type of connector */
 134         uint16_t output_flag;
 135
 136         int force_audio;
 137
 138         /* This contains all current supported TV format */
 139         u8 tv_format_supported[TV_FORMAT_NUM];
 140         int   format_supported_num;
 141         struct drm_property *tv_format;
 142
 143         struct drm_property *force_audio_property;
 144
 145         /* add the property for the SDVO-TV */
 146         struct drm_property *left;
 147         struct drm_property *right;
 148         struct drm_property *top;
 149         struct drm_property *bottom;
 150         struct drm_property *hpos;
 151         struct drm_property *vpos;
 152         struct drm_property *contrast;
 153         struct drm_property *saturation;
 154         struct drm_property *hue;
 155         struct drm_property *sharpness;
 156         struct drm_property *flicker_filter;
 157         struct drm_property *flicker_filter_adaptive;
 158         struct drm_property *flicker_filter_2d;
 159         struct drm_property *tv_chroma_filter;
 160         struct drm_property *tv_luma_filter;
 161         struct drm_property *dot_crawl;
 162
 163         /* add the property for the SDVO-TV/LVDS */
 164         struct drm_property *brightness;
 165
 166         /* Add variable to record current setting for the above property */
 167         u32     left_margin, right_margin, top_margin, bottom_margin;
 168
 169         /* this is to get the range of margin.*/
 170         u32     max_hscan,  max_vscan;
 171         u32     max_hpos, cur_hpos;
 172         u32     max_vpos, cur_vpos;
 173         u32     cur_brightness, max_brightness;
 174         u32     cur_contrast,   max_contrast;
 175         u32     cur_saturation, max_saturation;
 176         u32     cur_hue,        max_hue;
 177         u32     cur_sharpness,  max_sharpness;
 178         u32     cur_flicker_filter,             max_flicker_filter;
 179         u32     cur_flicker_filter_adaptive,    max_flicker_filter_adaptive;
 180         u32     cur_flicker_filter_2d,          max_flicker_filter_2d;
 181         u32     cur_tv_chroma_filter,   max_tv_chroma_filter;
 182         u32     cur_tv_luma_filter,     max_tv_luma_filter;
 183         u32     cur_dot_crawl,  max_dot_crawl;
 184 };
 185
 186 static struct intel_sdvo *to_intel_sdvo(struct drm_encoder *encoder)
 187 {
 188         return container_of(encoder, struct intel_sdvo, base.base);
 189 }
 190
 191 static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
 192 {
 193         return container_of(intel_attached_encoder(connector),
 194                             struct intel_sdvo, base);
 195 }
 196
 197 static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector)
 198 {
 199         return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);
 200 }
 201
 202 static bool
 203 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
 204 static bool
 205 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
 206                               struct intel_sdvo_connector *intel_sdvo_connector,
 207                               int type);
 208 static bool
 209 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
 210                                    struct intel_sdvo_connector *intel_sdvo_connector);
 211
 212 /**
 213  * Writes the SDVOB or SDVOC with the given value, but always writes both
 214  * SDVOB and SDVOC to work around apparent hardware issues (according to
 215  * comments in the BIOS).
 216  */
 217 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
 218 {
 219         struct drm_device *dev = intel_sdvo->base.base.dev;
 220         struct drm_i915_private *dev_priv = dev->dev_private;
 221         u32 bval = val, cval = val;
 222         int i;
 223
 224         if (intel_sdvo->sdvo_reg == PCH_SDVOB) {
 225                 I915_WRITE(intel_sdvo->sdvo_reg, val);
 226                 I915_READ(intel_sdvo->sdvo_reg);
 227                 return;
 228         }
 229
 230         if (intel_sdvo->sdvo_reg == SDVOB) {
 231                 cval = I915_READ(SDVOC);
 232         } else {
 233                 bval = I915_READ(SDVOB);
 234         }
 235         /*
 236          * Write the registers twice for luck. Sometimes,
 237          * writing them only once doesn't appear to 'stick'.
 238          * The BIOS does this too. Yay, magic
 239          */
 240         for (i = 0; i < 2; i++)
 241         {
 242                 I915_WRITE(SDVOB, bval);
 243                 I915_READ(SDVOB);
 244                 I915_WRITE(SDVOC, cval);
 245                 I915_READ(SDVOC);
 246         }
 247 }
 248
 249 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
 250 {
 251         struct i2c_msg msgs[] = {
 252                 {
 253                         .addr = intel_sdvo->slave_addr,
 254                         .flags = 0,
 255                         .len = 1,
 256                         .buf = &addr,
 257                 },
 258                 {
 259                         .addr = intel_sdvo->slave_addr,
 260                         .flags = I2C_M_RD,
 261                         .len = 1,
 262                         .buf = ch,
 263                 }
 264         };
 265         int ret;
 266
 267         if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
 268                 return true;
 269
 270         DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
 271         return false;
 272 }
 273
 274 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
 275 /** Mapping of command numbers to names, for debug output */
 276 static const struct _sdvo_cmd_name {
 277         u8 cmd;
 278         const char *name;
 279 } sdvo_cmd_names[] = {
 280     SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
 281     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
 282     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
 283     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
 284     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
 285     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
 286     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
 287     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
 288     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
 289     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
 290     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
 291     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
 292     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
 293     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
 294     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
 295     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
 296     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
 297     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 298     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
 299     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 300     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
 301     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
 302     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
 303     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
 304     SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
 305     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
 306     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
 307     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
 308     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
 309     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
 310     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
 311     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
 312     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
 313     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
 314     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
 315     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
 316     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
 317     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
 318     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
 319     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
 320     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
 321     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
 322     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
 323
 324     /* Add the op code for SDVO enhancements */
 325     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
 326     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
 327     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
 328     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
 329     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
 330     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
 331     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
 332     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
 333     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
 334     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
 335     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
 336     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
 337     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
 338     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
 339     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
 340     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
 341     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
 342     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
 343     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
 344     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
 345     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
 346     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
 347     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
 348     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
 349     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
 350     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
 351     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
 352     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
 353     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
 354     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
 355     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
 356     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
 357     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
 358     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
 359     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
 360     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
 361     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
 362     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
 363     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
 364     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
 365     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
 366     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
 367     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
 368     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
 369
 370     /* HDMI op code */
 371     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
 372     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
 373     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
 374     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
 375     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
 376     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
 377     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
 378     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
 379     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
 380     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
 381     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
 382     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
 383     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
 384     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
 385     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
 386     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
 387     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
 388     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
 389     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
 390     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
 391 };
 392
 393 #define IS_SDVOB(reg)   (reg == SDVOB || reg == PCH_SDVOB)
 394 #define SDVO_NAME(svdo) (IS_SDVOB((svdo)->sdvo_reg) ? "SDVOB" : "SDVOC")
 395
 396 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
 397                                    const void *args, int args_len)
 398 {
 399         int i;
 400
 401         DRM_DEBUG_KMS("%s: W: %02X ",
 402                                 SDVO_NAME(intel_sdvo), cmd);
 403         for (i = 0; i < args_len; i++)
 404                 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
 405         for (; i < 8; i++)
 406                 DRM_LOG_KMS("   ");
 407         for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
 408                 if (cmd == sdvo_cmd_names[i].cmd) {
 409                         DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
 410                         break;
 411                 }
 412         }
 413         if (i == ARRAY_SIZE(sdvo_cmd_names))
 414                 DRM_LOG_KMS("(%02X)", cmd);
 415         DRM_LOG_KMS("\n");
 416 }
 417
 418 static const char *cmd_status_names[] = {
 419         "Power on",
 420         "Success",
 421         "Not supported",
 422         "Invalid arg",
 423         "Pending",
 424         "Target not specified",
 425         "Scaling not supported"
 426 };
 427
 428 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
 429                                  const void *args, int args_len)
 430 {
 431         u8 buf[args_len*2 + 2], status;
 432         struct i2c_msg msgs[args_len + 3];
 433         int i, ret;
 434
 435         intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
 436
 437         for (i = 0; i < args_len; i++) {
 438                 msgs[i].addr = intel_sdvo->slave_addr;
 439                 msgs[i].flags = 0;
 440                 msgs[i].len = 2;
 441                 msgs[i].buf = buf + 2 *i;
 442                 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
 443                 buf[2*i + 1] = ((u8*)args)[i];
 444         }
 445         msgs[i].addr = intel_sdvo->slave_addr;
 446         msgs[i].flags = 0;
 447         msgs[i].len = 2;
 448         msgs[i].buf = buf + 2*i;
 449         buf[2*i + 0] = SDVO_I2C_OPCODE;
 450         buf[2*i + 1] = cmd;
 451
 452         /* the following two are to read the response */
 453         status = SDVO_I2C_CMD_STATUS;
 454         msgs[i+1].addr = intel_sdvo->slave_addr;
 455         msgs[i+1].flags = 0;
 456         msgs[i+1].len = 1;
 457         msgs[i+1].buf = &status;
 458
 459         msgs[i+2].addr = intel_sdvo->slave_addr;
 460         msgs[i+2].flags = I2C_M_RD;
 461         msgs[i+2].len = 1;
 462         msgs[i+2].buf = &status;
 463
 464         ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
 465         if (ret < 0) {
 466                 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
 467                 return false;
 468         }
 469         if (ret != i+3) {
 470                 /* failure in I2C transfer */
 471                 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
 472                 return false;
 473         }
 474
 475         i = 3;
 476         while (status == SDVO_CMD_STATUS_PENDING && i--) {
 477                 if (!intel_sdvo_read_byte(intel_sdvo,
 478                                           SDVO_I2C_CMD_STATUS,
 479                                           &status))
 480                         return false;
 481         }
 482         if (status != SDVO_CMD_STATUS_SUCCESS) {
 483                 DRM_DEBUG_KMS("command returns response %s [%d]\n",
 484                               status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP ? cmd_status_names[status] : "???",
 485                               status);
 486                 return false;
 487         }
 488
 489         return true;
 490 }
 491
 492 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
 493                                      void *response, int response_len)
 494 {
 495         u8 retry = 5;
 496         u8 status;
 497         int i;
 498
 499         /*
 500          * The documentation states that all commands will be
 501          * processed within 15µs, and that we need only poll
 502          * the status byte a maximum of 3 times in order for the
 503          * command to be complete.
 504          *
 505          * Check 5 times in case the hardware failed to read the docs.
 506          */
 507         do {
 508                 if (!intel_sdvo_read_byte(intel_sdvo,
 509                                           SDVO_I2C_CMD_STATUS,
 510                                           &status))
 511                         return false;
 512         } while (status == SDVO_CMD_STATUS_PENDING && --retry);
 513
 514         DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));
 515         if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
 516                 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
 517         else
 518                 DRM_LOG_KMS("(??? %d)", status);
 519
 520         if (status != SDVO_CMD_STATUS_SUCCESS)
 521                 goto log_fail;
 522
 523         /* Read the command response */
 524         for (i = 0; i < response_len; i++) {
 525                 if (!intel_sdvo_read_byte(intel_sdvo,
 526                                           SDVO_I2C_RETURN_0 + i,
 527                                           &((u8 *)response)[i]))
 528                         goto log_fail;
 529                 DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
 530         }
 531         DRM_LOG_KMS("\n");
 532         return true;
 533
 534 log_fail:
 535         DRM_LOG_KMS("\n");
 536         return false;
 537 }
 538
 539 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
 540 {
 541         if (mode->clock >= 100000)
 542                 return 1;
 543         else if (mode->clock >= 50000)
 544                 return 2;
 545         else
 546                 return 4;
 547 }
 548
 549 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
 550                                               u8 ddc_bus)
 551 {
 552         return intel_sdvo_write_cmd(intel_sdvo,
 553                                     SDVO_CMD_SET_CONTROL_BUS_SWITCH,
 554                                     &ddc_bus, 1);
 555 }
 556
 557 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
 558 {
 559         return intel_sdvo_write_cmd(intel_sdvo, cmd, data, len);
 560 }
 561
 562 static bool
 563 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
 564 {
 565         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
 566                 return false;
 567
 568         return intel_sdvo_read_response(intel_sdvo, value, len);
 569 }
 570
 571 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
 572 {
 573         struct intel_sdvo_set_target_input_args targets = {0};
 574         return intel_sdvo_set_value(intel_sdvo,
 575                                     SDVO_CMD_SET_TARGET_INPUT,
 576                                     &targets, sizeof(targets));
 577 }
 578
 579 /**
 580  * Return whether each input is trained.
 581  *
 582  * This function is making an assumption about the layout of the response,
 583  * which should be checked against the docs.
 584  */
 585 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
 586 {
 587         struct intel_sdvo_get_trained_inputs_response response;
 588
 589         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
 590                                   &response, sizeof(response)))
 591                 return false;
 592
 593         *input_1 = response.input0_trained;
 594         *input_2 = response.input1_trained;
 595         return true;
 596 }
 597
 598 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
 599                                           u16 outputs)
 600 {
 601         return intel_sdvo_set_value(intel_sdvo,
 602                                     SDVO_CMD_SET_ACTIVE_OUTPUTS,
 603                                     &outputs, sizeof(outputs));
 604 }
 605
 606 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
 607                                                int mode)
 608 {
 609         u8 state = SDVO_ENCODER_STATE_ON;
 610
 611         switch (mode) {
 612         case DRM_MODE_DPMS_ON:
 613                 state = SDVO_ENCODER_STATE_ON;
 614                 break;
 615         case DRM_MODE_DPMS_STANDBY:
 616                 state = SDVO_ENCODER_STATE_STANDBY;
 617                 break;
 618         case DRM_MODE_DPMS_SUSPEND:
 619                 state = SDVO_ENCODER_STATE_SUSPEND;
 620                 break;
 621         case DRM_MODE_DPMS_OFF:
 622                 state = SDVO_ENCODER_STATE_OFF;
 623                 break;
 624         }
 625
 626         return intel_sdvo_set_value(intel_sdvo,
 627                                     SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
 628 }
 629
 630 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
 631                                                    int *clock_min,
 632                                                    int *clock_max)
 633 {
 634         struct intel_sdvo_pixel_clock_range clocks;
 635
 636         if (!intel_sdvo_get_value(intel_sdvo,
 637                                   SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
 638                                   &clocks, sizeof(clocks)))
 639                 return false;
 640
 641         /* Convert the values from units of 10 kHz to kHz. */
 642         *clock_min = clocks.min * 10;
 643         *clock_max = clocks.max * 10;
 644         return true;
 645 }
 646
 647 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
 648                                          u16 outputs)
 649 {
 650         return intel_sdvo_set_value(intel_sdvo,
 651                                     SDVO_CMD_SET_TARGET_OUTPUT,
 652                                     &outputs, sizeof(outputs));
 653 }
 654
 655 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
 656                                   struct intel_sdvo_dtd *dtd)
 657 {
 658         return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
 659                 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
 660 }
 661
 662 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
 663                                          struct intel_sdvo_dtd *dtd)
 664 {
 665         return intel_sdvo_set_timing(intel_sdvo,
 666                                      SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
 667 }
 668
 669 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
 670                                          struct intel_sdvo_dtd *dtd)
 671 {
 672         return intel_sdvo_set_timing(intel_sdvo,
 673                                      SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
 674 }
 675
 676 static bool
 677 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 678                                          uint16_t clock,
 679                                          uint16_t width,
 680                                          uint16_t height)
 681 {
 682         struct intel_sdvo_preferred_input_timing_args args;
 683
 684         memset(&args, 0, sizeof(args));
 685         args.clock = clock;
 686         args.width = width;
 687         args.height = height;
 688         args.interlace = 0;
 689
 690         if (intel_sdvo->is_lvds &&
 691            (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
 692             intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
 693                 args.scaled = 1;
 694
 695         return intel_sdvo_set_value(intel_sdvo,
 696                                     SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
 697                                     &args, sizeof(args));
 698 }
 699
 700 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 701                                                   struct intel_sdvo_dtd *dtd)
 702 {
 703         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
 704                                     &dtd->part1, sizeof(dtd->part1)) &&
 705                 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
 706                                      &dtd->part2, sizeof(dtd->part2));
 707 }
 708
 709 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
 710 {
 711         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
 712 }
 713
 714 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
 715                                          const struct drm_display_mode *mode)
 716 {
 717         uint16_t width, height;
 718         uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
 719         uint16_t h_sync_offset, v_sync_offset;
 720
 721         width = mode->crtc_hdisplay;
 722         height = mode->crtc_vdisplay;
 723
 724         /* do some mode translations */
 725         h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
 726         h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
 727
 728         v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
 729         v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
 730
 731         h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
 732         v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
 733
 734         dtd->part1.clock = mode->clock / 10;
 735         dtd->part1.h_active = width & 0xff;
 736         dtd->part1.h_blank = h_blank_len & 0xff;
 737         dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
 738                 ((h_blank_len >> 8) & 0xf);
 739         dtd->part1.v_active = height & 0xff;
 740         dtd->part1.v_blank = v_blank_len & 0xff;
 741         dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
 742                 ((v_blank_len >> 8) & 0xf);
 743
 744         dtd->part2.h_sync_off = h_sync_offset & 0xff;
 745         dtd->part2.h_sync_width = h_sync_len & 0xff;
 746         dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
 747                 (v_sync_len & 0xf);
 748         dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
 749                 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
 750                 ((v_sync_len & 0x30) >> 4);
 751
 752         dtd->part2.dtd_flags = 0x18;
 753         if (mode->flags & DRM_MODE_FLAG_PHSYNC)
 754                 dtd->part2.dtd_flags |= 0x2;
 755         if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 756                 dtd->part2.dtd_flags |= 0x4;
 757
 758         dtd->part2.sdvo_flags = 0;
 759         dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
 760         dtd->part2.reserved = 0;
 761 }
 762
 763 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
 764                                          const struct intel_sdvo_dtd *dtd)
 765 {
 766         mode->hdisplay = dtd->part1.h_active;
 767         mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
 768         mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
 769         mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
 770         mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
 771         mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
 772         mode->htotal = mode->hdisplay + dtd->part1.h_blank;
 773         mode->htotal += (dtd->part1.h_high & 0xf) << 8;
 774
 775         mode->vdisplay = dtd->part1.v_active;
 776         mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
 777         mode->vsync_start = mode->vdisplay;
 778         mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
 779         mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
 780         mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
 781         mode->vsync_end = mode->vsync_start +
 782                 (dtd->part2.v_sync_off_width & 0xf);
 783         mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
 784         mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
 785         mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
 786
 787         mode->clock = dtd->part1.clock * 10;
 788
 789         mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
 790         if (dtd->part2.dtd_flags & 0x2)
 791                 mode->flags |= DRM_MODE_FLAG_PHSYNC;
 792         if (dtd->part2.dtd_flags & 0x4)
 793                 mode->flags |= DRM_MODE_FLAG_PVSYNC;
 794 }
 795
 796 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
 797 {
 798         struct intel_sdvo_encode encode;
 799
 800         return intel_sdvo_get_value(intel_sdvo,
 801                                   SDVO_CMD_GET_SUPP_ENCODE,
 802                                   &encode, sizeof(encode));
 803 }
 804
 805 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
 806                                   uint8_t mode)
 807 {
 808         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
 809 }
 810
 811 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
 812                                        uint8_t mode)
 813 {
 814         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
 815 }
 816
 817 #if 0
 818 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
 819 {
 820         int i, j;
 821         uint8_t set_buf_index[2];
 822         uint8_t av_split;
 823         uint8_t buf_size;
 824         uint8_t buf[48];
 825         uint8_t *pos;
 826
 827         intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
 828
 829         for (i = 0; i <= av_split; i++) {
 830                 set_buf_index[0] = i; set_buf_index[1] = 0;
 831                 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
 832                                      set_buf_index, 2);
 833                 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
 834                 intel_sdvo_read_response(encoder, &buf_size, 1);
 835
 836                 pos = buf;
 837                 for (j = 0; j <= buf_size; j += 8) {
 838                         intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
 839                                              NULL, 0);
 840                         intel_sdvo_read_response(encoder, pos, 8);
 841                         pos += 8;
 842                 }
 843         }
 844 }
 845 #endif
 846
 847 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
 848 {
 849         struct dip_infoframe avi_if = {
 850                 .type = DIP_TYPE_AVI,
 851                 .ver = DIP_VERSION_AVI,
 852                 .len = DIP_LEN_AVI,
 853         };
 854         uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
 855         uint8_t set_buf_index[2] = { 1, 0 };
 856         uint64_t *data = (uint64_t *)&avi_if;
 857         unsigned i;
 858
 859         intel_dip_infoframe_csum(&avi_if);
 860
 861         if (!intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_HBUF_INDEX,
 862                                   set_buf_index, 2))
 863                 return false;
 864
 865         for (i = 0; i < sizeof(avi_if); i += 8) {
 866                 if (!intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_HBUF_DATA,
 867                                           data, 8))
 868                         return false;
 869                 data++;
 870         }
 871
 872         return intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_HBUF_TXRATE,
 873                                     &tx_rate, 1);
 874 }
 875
 876 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
 877 {
 878         struct intel_sdvo_tv_format format;
 879         uint32_t format_map;
 880
 881         format_map = 1 << intel_sdvo->tv_format_index;
 882         memset(&format, 0, sizeof(format));
 883         memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
 884
 885         BUILD_BUG_ON(sizeof(format) != 6);
 886         return intel_sdvo_set_value(intel_sdvo,
 887                                     SDVO_CMD_SET_TV_FORMAT,
 888                                     &format, sizeof(format));
 889 }
 890
 891 static bool
 892 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
 893                                         struct drm_display_mode *mode)
 894 {
 895         struct intel_sdvo_dtd output_dtd;
 896
 897         if (!intel_sdvo_set_target_output(intel_sdvo,
 898                                           intel_sdvo->attached_output))
 899                 return false;
 900
 901         intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
 902         if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
 903                 return false;
 904
 905         return true;
 906 }
 907
 908 static bool
 909 intel_sdvo_set_input_timings_for_mode(struct intel_sdvo *intel_sdvo,
 910                                         struct drm_display_mode *mode,
 911                                         struct drm_display_mode *adjusted_mode)
 912 {
 913         /* Reset the input timing to the screen. Assume always input 0. */
 914         if (!intel_sdvo_set_target_input(intel_sdvo))
 915                 return false;
 916
 917         if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
 918                                                       mode->clock / 10,
 919                                                       mode->hdisplay,
 920                                                       mode->vdisplay))
 921                 return false;
 922
 923         if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
 924                                                    &intel_sdvo->input_dtd))
 925                 return false;
 926
 927         intel_sdvo_get_mode_from_dtd(adjusted_mode, &intel_sdvo->input_dtd);
 928
 929         drm_mode_set_crtcinfo(adjusted_mode, 0);
 930         return true;
 931 }
 932
 933 static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
 934                                   struct drm_display_mode *mode,
 935                                   struct drm_display_mode *adjusted_mode)
 936 {
 937         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
 938         int multiplier;
 939
 940         /* We need to construct preferred input timings based on our
 941          * output timings.  To do that, we have to set the output
 942          * timings, even though this isn't really the right place in
 943          * the sequence to do it. Oh well.
 944          */
 945         if (intel_sdvo->is_tv) {
 946                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
 947                         return false;
 948
 949                 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
 950                                                              mode,
 951                                                              adjusted_mode);
 952         } else if (intel_sdvo->is_lvds) {
 953                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
 954                                                              intel_sdvo->sdvo_lvds_fixed_mode))
 955                         return false;
 956
 957                 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
 958                                                              mode,
 959                                                              adjusted_mode);
 960         }
 961
 962         /* Make the CRTC code factor in the SDVO pixel multiplier.  The
 963          * SDVO device will factor out the multiplier during mode_set.
 964          */
 965         multiplier = intel_sdvo_get_pixel_multiplier(adjusted_mode);
 966         intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
 967
 968         return true;
 969 }
 970
 971 static void intel_sdvo_mode_set(struct drm_encoder *encoder,
 972                                 struct drm_display_mode *mode,
 973                                 struct drm_display_mode *adjusted_mode)
 974 {
 975         struct drm_device *dev = encoder->dev;
 976         struct drm_i915_private *dev_priv = dev->dev_private;
 977         struct drm_crtc *crtc = encoder->crtc;
 978         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 979         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
 980         u32 sdvox;
 981         struct intel_sdvo_in_out_map in_out;
 982         struct intel_sdvo_dtd input_dtd;
 983         int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
 984         int rate;
 985
 986         if (!mode)
 987                 return;
 988
 989         /* First, set the input mapping for the first input to our controlled
 990          * output. This is only correct if we're a single-input device, in
 991          * which case the first input is the output from the appropriate SDVO
 992          * channel on the motherboard.  In a two-input device, the first input
 993          * will be SDVOB and the second SDVOC.
 994          */
 995         in_out.in0 = intel_sdvo->attached_output;
 996         in_out.in1 = 0;
 997
 998         intel_sdvo_set_value(intel_sdvo,
 999                              SDVO_CMD_SET_IN_OUT_MAP,
1000                              &in_out, sizeof(in_out));
1001
1002         /* Set the output timings to the screen */
1003         if (!intel_sdvo_set_target_output(intel_sdvo,
1004                                           intel_sdvo->attached_output))
1005                 return;
1006
1007         /* We have tried to get input timing in mode_fixup, and filled into
1008          * adjusted_mode.
1009          */
1010         if (intel_sdvo->is_tv || intel_sdvo->is_lvds) {
1011                 input_dtd = intel_sdvo->input_dtd;
1012         } else {
1013                 /* Set the output timing to the screen */
1014                 if (!intel_sdvo_set_target_output(intel_sdvo,
1015                                                   intel_sdvo->attached_output))
1016                         return;
1017
1018                 intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1019                 (void) intel_sdvo_set_output_timing(intel_sdvo, &input_dtd);
1020         }
1021
1022         /* Set the input timing to the screen. Assume always input 0. */
1023         if (!intel_sdvo_set_target_input(intel_sdvo))
1024                 return;
1025
1026         if (intel_sdvo->is_hdmi &&
1027             !intel_sdvo_set_avi_infoframe(intel_sdvo))
1028                 return;
1029
1030         if (intel_sdvo->is_tv &&
1031             !intel_sdvo_set_tv_format(intel_sdvo))
1032                 return;
1033
1034         (void) intel_sdvo_set_input_timing(intel_sdvo, &input_dtd);
1035
1036         switch (pixel_multiplier) {
1037         default:
1038         case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1039         case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1040         case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1041         }
1042         if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1043                 return;
1044
1045         /* Set the SDVO control regs. */
1046         if (INTEL_INFO(dev)->gen >= 4) {
1047                 sdvox = SDVO_BORDER_ENABLE;
1048                 if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
1049                         sdvox |= SDVO_VSYNC_ACTIVE_HIGH;
1050                 if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
1051                         sdvox |= SDVO_HSYNC_ACTIVE_HIGH;
1052         } else {
1053                 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1054                 switch (intel_sdvo->sdvo_reg) {
1055                 case SDVOB:
1056                         sdvox &= SDVOB_PRESERVE_MASK;
1057                         break;
1058                 case SDVOC:
1059                         sdvox &= SDVOC_PRESERVE_MASK;
1060                         break;
1061                 }
1062                 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1063         }
1064         if (intel_crtc->pipe == 1)
1065                 sdvox |= SDVO_PIPE_B_SELECT;
1066         if (intel_sdvo->has_audio)
1067                 sdvox |= SDVO_AUDIO_ENABLE;
1068
1069         if (INTEL_INFO(dev)->gen >= 4) {
1070                 /* done in crtc_mode_set as the dpll_md reg must be written early */
1071         } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1072                 /* done in crtc_mode_set as it lives inside the dpll register */
1073         } else {
1074                 sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1075         }
1076
1077         if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL)
1078                 sdvox |= SDVO_STALL_SELECT;
1079         intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1080 }
1081
1082 static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1083 {
1084         struct drm_device *dev = encoder->dev;
1085         struct drm_i915_private *dev_priv = dev->dev_private;
1086         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1087         struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
1088         u32 temp;
1089
1090         if (mode != DRM_MODE_DPMS_ON) {
1091                 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1092                 if (0)
1093                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1094
1095                 if (mode == DRM_MODE_DPMS_OFF) {
1096                         temp = I915_READ(intel_sdvo->sdvo_reg);
1097                         if ((temp & SDVO_ENABLE) != 0) {
1098                                 intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
1099                         }
1100                 }
1101         } else {
1102                 bool input1, input2;
1103                 int i;
1104                 u8 status;
1105
1106                 temp = I915_READ(intel_sdvo->sdvo_reg);
1107                 if ((temp & SDVO_ENABLE) == 0)
1108                         intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
1109                 for (i = 0; i < 2; i++)
1110                         intel_wait_for_vblank(dev, intel_crtc->pipe);
1111
1112                 status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1113                 /* Warn if the device reported failure to sync.
1114                  * A lot of SDVO devices fail to notify of sync, but it's
1115                  * a given it the status is a success, we succeeded.
1116                  */
1117                 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1118                         DRM_DEBUG_KMS("First %s output reported failure to "
1119                                         "sync\n", SDVO_NAME(intel_sdvo));
1120                 }
1121
1122                 if (0)
1123                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1124                 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1125         }
1126         return;
1127 }
1128
1129 static int intel_sdvo_mode_valid(struct drm_connector *connector,
1130                                  struct drm_display_mode *mode)
1131 {
1132         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1133
1134         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1135                 return MODE_NO_DBLESCAN;
1136
1137         if (intel_sdvo->pixel_clock_min > mode->clock)
1138                 return MODE_CLOCK_LOW;
1139
1140         if (intel_sdvo->pixel_clock_max < mode->clock)
1141                 return MODE_CLOCK_HIGH;
1142
1143         if (intel_sdvo->is_lvds) {
1144                 if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1145                         return MODE_PANEL;
1146
1147                 if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1148                         return MODE_PANEL;
1149         }
1150
1151         return MODE_OK;
1152 }
1153
1154 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1155 {
1156         if (!intel_sdvo_get_value(intel_sdvo,
1157                                   SDVO_CMD_GET_DEVICE_CAPS,
1158                                   caps, sizeof(*caps)))
1159                 return false;
1160
1161         DRM_DEBUG_KMS("SDVO capabilities:\n"
1162                       "  vendor_id: %d\n"
1163                       "  device_id: %d\n"
1164                       "  device_rev_id: %d\n"
1165                       "  sdvo_version_major: %d\n"
1166                       "  sdvo_version_minor: %d\n"
1167                       "  sdvo_inputs_mask: %d\n"
1168                       "  smooth_scaling: %d\n"
1169                       "  sharp_scaling: %d\n"
1170                       "  up_scaling: %d\n"
1171                       "  down_scaling: %d\n"
1172                       "  stall_support: %d\n"
1173                       "  output_flags: %d\n",
1174                       caps->vendor_id,
1175                       caps->device_id,
1176                       caps->device_rev_id,
1177                       caps->sdvo_version_major,
1178                       caps->sdvo_version_minor,
1179                       caps->sdvo_inputs_mask,
1180                       caps->smooth_scaling,
1181                       caps->sharp_scaling,
1182                       caps->up_scaling,
1183                       caps->down_scaling,
1184                       caps->stall_support,
1185                       caps->output_flags);
1186
1187         return true;
1188 }
1189
1190 /* No use! */
1191 #if 0
1192 struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB)
1193 {
1194         struct drm_connector *connector = NULL;
1195         struct intel_sdvo *iout = NULL;
1196         struct intel_sdvo *sdvo;
1197
1198         /* find the sdvo connector */
1199         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1200                 iout = to_intel_sdvo(connector);
1201
1202                 if (iout->type != INTEL_OUTPUT_SDVO)
1203                         continue;
1204
1205                 sdvo = iout->dev_priv;
1206
1207                 if (sdvo->sdvo_reg == SDVOB && sdvoB)
1208                         return connector;
1209
1210                 if (sdvo->sdvo_reg == SDVOC && !sdvoB)
1211                         return connector;
1212
1213         }
1214
1215         return NULL;
1216 }
1217
1218 int intel_sdvo_supports_hotplug(struct drm_connector *connector)
1219 {
1220         u8 response[2];
1221         u8 status;
1222         struct intel_sdvo *intel_sdvo;
1223         DRM_DEBUG_KMS("\n");
1224
1225         if (!connector)
1226                 return 0;
1227
1228         intel_sdvo = to_intel_sdvo(connector);
1229
1230         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1231                                     &response, 2) && response[0];
1232 }
1233
1234 void intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
1235 {
1236         u8 response[2];
1237         u8 status;
1238         struct intel_sdvo *intel_sdvo = to_intel_sdvo(connector);
1239
1240         intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1241         intel_sdvo_read_response(intel_sdvo, &response, 2);
1242
1243         if (on) {
1244                 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
1245                 status = intel_sdvo_read_response(intel_sdvo, &response, 2);
1246
1247                 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1248         } else {
1249                 response[0] = 0;
1250                 response[1] = 0;
1251                 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1252         }
1253
1254         intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1255         intel_sdvo_read_response(intel_sdvo, &response, 2);
1256 }
1257 #endif
1258
1259 static bool
1260 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1261 {
1262         int caps = 0;
1263
1264         if (intel_sdvo->caps.output_flags &
1265                 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
1266                 caps++;
1267         if (intel_sdvo->caps.output_flags &
1268                 (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1))
1269                 caps++;
1270         if (intel_sdvo->caps.output_flags &
1271                 (SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_SVID1))
1272                 caps++;
1273         if (intel_sdvo->caps.output_flags &
1274                 (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_CVBS1))
1275                 caps++;
1276         if (intel_sdvo->caps.output_flags &
1277                 (SDVO_OUTPUT_YPRPB0 | SDVO_OUTPUT_YPRPB1))
1278                 caps++;
1279
1280         if (intel_sdvo->caps.output_flags &
1281                 (SDVO_OUTPUT_SCART0 | SDVO_OUTPUT_SCART1))
1282                 caps++;
1283
1284         if (intel_sdvo->caps.output_flags &
1285                 (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1))
1286                 caps++;
1287
1288         return (caps > 1);
1289 }
1290
1291 static struct edid *
1292 intel_sdvo_get_edid(struct drm_connector *connector)
1293 {
1294         struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
1295         return drm_get_edid(connector, &sdvo->ddc);
1296 }
1297
1298 static struct drm_connector *
1299 intel_find_analog_connector(struct drm_device *dev)
1300 {
1301         struct drm_connector *connector;
1302         struct intel_sdvo *encoder;
1303
1304         list_for_each_entry(encoder,
1305                             &dev->mode_config.encoder_list,
1306                             base.base.head) {
1307                 if (encoder->base.type == INTEL_OUTPUT_ANALOG) {
1308                         list_for_each_entry(connector,
1309                                             &dev->mode_config.connector_list,
1310                                             head) {
1311                                 if (&encoder->base ==
1312                                     intel_attached_encoder(connector))
1313                                         return connector;
1314                         }
1315                 }
1316         }
1317
1318         return NULL;
1319 }
1320
1321 static int
1322 intel_analog_is_connected(struct drm_device *dev)
1323 {
1324         struct drm_connector *analog_connector;
1325
1326         analog_connector = intel_find_analog_connector(dev);
1327         if (!analog_connector)
1328                 return false;
1329
1330         if (analog_connector->funcs->detect(analog_connector, false) ==
1331                         connector_status_disconnected)
1332                 return false;
1333
1334         return true;
1335 }
1336
1337 /* Mac mini hack -- use the same DDC as the analog connector */
1338 static struct edid *
1339 intel_sdvo_get_analog_edid(struct drm_connector *connector)
1340 {
1341         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1342
1343         if (!intel_analog_is_connected(connector->dev))
1344                 return NULL;
1345
1346         return drm_get_edid(connector, &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
1347 }
1348
1349 enum drm_connector_status
1350 intel_sdvo_hdmi_sink_detect(struct drm_connector *connector)
1351 {
1352         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1353         enum drm_connector_status status;
1354         struct edid *edid;
1355
1356         edid = intel_sdvo_get_edid(connector);
1357
1358         if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1359                 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1360
1361                 /*
1362                  * Don't use the 1 as the argument of DDC bus switch to get
1363                  * the EDID. It is used for SDVO SPD ROM.
1364                  */
1365                 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1366                         intel_sdvo->ddc_bus = ddc;
1367                         edid = intel_sdvo_get_edid(connector);
1368                         if (edid)
1369                                 break;
1370                 }
1371                 /*
1372                  * If we found the EDID on the other bus,
1373                  * assume that is the correct DDC bus.
1374                  */
1375                 if (edid == NULL)
1376                         intel_sdvo->ddc_bus = saved_ddc;
1377         }
1378
1379         /*
1380          * When there is no edid and no monitor is connected with VGA
1381          * port, try to use the CRT ddc to read the EDID for DVI-connector.
1382          */
1383         if (edid == NULL)
1384                 edid = intel_sdvo_get_analog_edid(connector);
1385
1386         status = connector_status_unknown;
1387         if (edid != NULL) {
1388                 /* DDC bus is shared, match EDID to connector type */
1389                 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1390                         status = connector_status_connected;
1391                         intel_sdvo->is_hdmi = drm_detect_hdmi_monitor(edid);
1392                         intel_sdvo->has_audio = drm_detect_monitor_audio(edid);
1393                 }
1394                 connector->display_info.raw_edid = NULL;
1395                 kfree(edid);
1396         }
1397
1398         if (status == connector_status_connected) {
1399                 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1400                 if (intel_sdvo_connector->force_audio)
1401                         intel_sdvo->has_audio = intel_sdvo_connector->force_audio > 0;
1402         }
1403
1404         return status;
1405 }
1406
1407 static enum drm_connector_status
1408 intel_sdvo_detect(struct drm_connector *connector, bool force)
1409 {
1410         uint16_t response;
1411         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1412         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1413         enum drm_connector_status ret;
1414
1415         if (!intel_sdvo_write_cmd(intel_sdvo,
1416                                   SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
1417                 return connector_status_unknown;
1418         if (intel_sdvo->is_tv) {
1419                 /* add 30ms delay when the output type is SDVO-TV */
1420                 mdelay(30);
1421         }
1422         if (!intel_sdvo_read_response(intel_sdvo, &response, 2))
1423                 return connector_status_unknown;
1424
1425         DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1426                       response & 0xff, response >> 8,
1427                       intel_sdvo_connector->output_flag);
1428
1429         if (response == 0)
1430                 return connector_status_disconnected;
1431
1432         intel_sdvo->attached_output = response;
1433
1434         if ((intel_sdvo_connector->output_flag & response) == 0)
1435                 ret = connector_status_disconnected;
1436         else if (response & SDVO_TMDS_MASK)
1437                 ret = intel_sdvo_hdmi_sink_detect(connector);
1438         else
1439                 ret = connector_status_connected;
1440
1441         /* May update encoder flag for like clock for SDVO TV, etc.*/
1442         if (ret == connector_status_connected) {
1443                 intel_sdvo->is_tv = false;
1444                 intel_sdvo->is_lvds = false;
1445                 intel_sdvo->base.needs_tv_clock = false;
1446
1447                 if (response & SDVO_TV_MASK) {
1448                         intel_sdvo->is_tv = true;
1449                         intel_sdvo->base.needs_tv_clock = true;
1450                 }
1451                 if (response & SDVO_LVDS_MASK)
1452                         intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1453         }
1454
1455         return ret;
1456 }
1457
1458 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1459 {
1460         struct edid *edid;
1461
1462         /* set the bus switch and get the modes */
1463         edid = intel_sdvo_get_edid(connector);
1464
1465         /*
1466          * Mac mini hack.  On this device, the DVI-I connector shares one DDC
1467          * link between analog and digital outputs. So, if the regular SDVO
1468          * DDC fails, check to see if the analog output is disconnected, in
1469          * which case we'll look there for the digital DDC data.
1470          */
1471         if (edid == NULL)
1472                 edid = intel_sdvo_get_analog_edid(connector);
1473
1474         if (edid != NULL) {
1475                 drm_mode_connector_update_edid_property(connector, edid);
1476                 drm_add_edid_modes(connector, edid);
1477                 connector->display_info.raw_edid = NULL;
1478                 kfree(edid);
1479         }
1480 }
1481
1482 /*
1483  * Set of SDVO TV modes.
1484  * Note!  This is in reply order (see loop in get_tv_modes).
1485  * XXX: all 60Hz refresh?
1486  */
1487 struct drm_display_mode sdvo_tv_modes[] = {
1488         { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1489                    416, 0, 200, 201, 232, 233, 0,
1490                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1491         { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1492                    416, 0, 240, 241, 272, 273, 0,
1493                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1494         { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1495                    496, 0, 300, 301, 332, 333, 0,
1496                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1497         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1498                    736, 0, 350, 351, 382, 383, 0,
1499                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1500         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1501                    736, 0, 400, 401, 432, 433, 0,
1502                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1503         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1504                    736, 0, 480, 481, 512, 513, 0,
1505                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1506         { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1507                    800, 0, 480, 481, 512, 513, 0,
1508                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1509         { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1510                    800, 0, 576, 577, 608, 609, 0,
1511                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1512         { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1513                    816, 0, 350, 351, 382, 383, 0,
1514                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1515         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1516                    816, 0, 400, 401, 432, 433, 0,
1517                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1518         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1519                    816, 0, 480, 481, 512, 513, 0,
1520                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1521         { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1522                    816, 0, 540, 541, 572, 573, 0,
1523                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1524         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1525                    816, 0, 576, 577, 608, 609, 0,
1526                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1527         { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1528                    864, 0, 576, 577, 608, 609, 0,
1529                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1530         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1531                    896, 0, 600, 601, 632, 633, 0,
1532                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1533         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1534                    928, 0, 624, 625, 656, 657, 0,
1535                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1536         { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1537                    1016, 0, 766, 767, 798, 799, 0,
1538                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1539         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1540                    1120, 0, 768, 769, 800, 801, 0,
1541                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1542         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1543                    1376, 0, 1024, 1025, 1056, 1057, 0,
1544                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1545 };
1546
1547 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1548 {
1549         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1550         struct intel_sdvo_sdtv_resolution_request tv_res;
1551         uint32_t reply = 0, format_map = 0;
1552         int i;
1553
1554         /* Read the list of supported input resolutions for the selected TV
1555          * format.
1556          */
1557         format_map = 1 << intel_sdvo->tv_format_index;
1558         memcpy(&tv_res, &format_map,
1559                min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1560
1561         if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1562                 return;
1563
1564         BUILD_BUG_ON(sizeof(tv_res) != 3);
1565         if (!intel_sdvo_write_cmd(intel_sdvo,
1566                                   SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1567                                   &tv_res, sizeof(tv_res)))
1568                 return;
1569         if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1570                 return;
1571
1572         for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1573                 if (reply & (1 << i)) {
1574                         struct drm_display_mode *nmode;
1575                         nmode = drm_mode_duplicate(connector->dev,
1576                                                    &sdvo_tv_modes[i]);
1577                         if (nmode)
1578                                 drm_mode_probed_add(connector, nmode);
1579                 }
1580 }
1581
1582 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1583 {
1584         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1585         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1586         struct drm_display_mode *newmode;
1587
1588         /*
1589          * Attempt to get the mode list from DDC.
1590          * Assume that the preferred modes are
1591          * arranged in priority order.
1592          */
1593         intel_ddc_get_modes(connector, intel_sdvo->i2c);
1594         if (list_empty(&connector->probed_modes) == false)
1595                 goto end;
1596
1597         /* Fetch modes from VBT */
1598         if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1599                 newmode = drm_mode_duplicate(connector->dev,
1600                                              dev_priv->sdvo_lvds_vbt_mode);
1601                 if (newmode != NULL) {
1602                         /* Guarantee the mode is preferred */
1603                         newmode->type = (DRM_MODE_TYPE_PREFERRED |
1604                                          DRM_MODE_TYPE_DRIVER);
1605                         drm_mode_probed_add(connector, newmode);
1606                 }
1607         }
1608
1609 end:
1610         list_for_each_entry(newmode, &connector->probed_modes, head) {
1611                 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1612                         intel_sdvo->sdvo_lvds_fixed_mode =
1613                                 drm_mode_duplicate(connector->dev, newmode);
1614
1615                         drm_mode_set_crtcinfo(intel_sdvo->sdvo_lvds_fixed_mode,
1616                                               0);
1617
1618                         intel_sdvo->is_lvds = true;
1619                         break;
1620                 }
1621         }
1622
1623 }
1624
1625 static int intel_sdvo_get_modes(struct drm_connector *connector)
1626 {
1627         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1628
1629         if (IS_TV(intel_sdvo_connector))
1630                 intel_sdvo_get_tv_modes(connector);
1631         else if (IS_LVDS(intel_sdvo_connector))
1632                 intel_sdvo_get_lvds_modes(connector);
1633         else
1634                 intel_sdvo_get_ddc_modes(connector);
1635
1636         return !list_empty(&connector->probed_modes);
1637 }
1638
1639 static void
1640 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1641 {
1642         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1643         struct drm_device *dev = connector->dev;
1644
1645         if (intel_sdvo_connector->left)
1646                 drm_property_destroy(dev, intel_sdvo_connector->left);
1647         if (intel_sdvo_connector->right)
1648                 drm_property_destroy(dev, intel_sdvo_connector->right);
1649         if (intel_sdvo_connector->top)
1650                 drm_property_destroy(dev, intel_sdvo_connector->top);
1651         if (intel_sdvo_connector->bottom)
1652                 drm_property_destroy(dev, intel_sdvo_connector->bottom);
1653         if (intel_sdvo_connector->hpos)
1654                 drm_property_destroy(dev, intel_sdvo_connector->hpos);
1655         if (intel_sdvo_connector->vpos)
1656                 drm_property_destroy(dev, intel_sdvo_connector->vpos);
1657         if (intel_sdvo_connector->saturation)
1658                 drm_property_destroy(dev, intel_sdvo_connector->saturation);
1659         if (intel_sdvo_connector->contrast)
1660                 drm_property_destroy(dev, intel_sdvo_connector->contrast);
1661         if (intel_sdvo_connector->hue)
1662                 drm_property_destroy(dev, intel_sdvo_connector->hue);
1663         if (intel_sdvo_connector->sharpness)
1664                 drm_property_destroy(dev, intel_sdvo_connector->sharpness);
1665         if (intel_sdvo_connector->flicker_filter)
1666                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
1667         if (intel_sdvo_connector->flicker_filter_2d)
1668                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
1669         if (intel_sdvo_connector->flicker_filter_adaptive)
1670                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
1671         if (intel_sdvo_connector->tv_luma_filter)
1672                 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
1673         if (intel_sdvo_connector->tv_chroma_filter)
1674                 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
1675         if (intel_sdvo_connector->dot_crawl)
1676                 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
1677         if (intel_sdvo_connector->brightness)
1678                 drm_property_destroy(dev, intel_sdvo_connector->brightness);
1679 }
1680
1681 static void intel_sdvo_destroy(struct drm_connector *connector)
1682 {
1683         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1684
1685         if (intel_sdvo_connector->tv_format)
1686                 drm_property_destroy(connector->dev,
1687                                      intel_sdvo_connector->tv_format);
1688
1689         intel_sdvo_destroy_enhance_property(connector);
1690         drm_sysfs_connector_remove(connector);
1691         drm_connector_cleanup(connector);
1692         kfree(connector);
1693 }
1694
1695 static int
1696 intel_sdvo_set_property(struct drm_connector *connector,
1697                         struct drm_property *property,
1698                         uint64_t val)
1699 {
1700         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1701         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1702         uint16_t temp_value;
1703         uint8_t cmd;
1704         int ret;
1705
1706         ret = drm_connector_property_set_value(connector, property, val);
1707         if (ret)
1708                 return ret;
1709
1710         if (property == intel_sdvo_connector->force_audio_property) {
1711                 if (val == intel_sdvo_connector->force_audio)
1712                         return 0;
1713
1714                 intel_sdvo_connector->force_audio = val;
1715
1716                 if (val > 0 && intel_sdvo->has_audio)
1717                         return 0;
1718                 if (val < 0 && !intel_sdvo->has_audio)
1719                         return 0;
1720
1721                 intel_sdvo->has_audio = val > 0;
1722                 goto done;
1723         }
1724
1725 #define CHECK_PROPERTY(name, NAME) \
1726         if (intel_sdvo_connector->name == property) { \
1727                 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
1728                 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1729                 cmd = SDVO_CMD_SET_##NAME; \
1730                 intel_sdvo_connector->cur_##name = temp_value; \
1731                 goto set_value; \
1732         }
1733
1734         if (property == intel_sdvo_connector->tv_format) {
1735                 if (val >= TV_FORMAT_NUM)
1736                         return -EINVAL;
1737
1738                 if (intel_sdvo->tv_format_index ==
1739                     intel_sdvo_connector->tv_format_supported[val])
1740                         return 0;
1741
1742                 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
1743                 goto done;
1744         } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
1745                 temp_value = val;
1746                 if (intel_sdvo_connector->left == property) {
1747                         drm_connector_property_set_value(connector,
1748                                                          intel_sdvo_connector->right, val);
1749                         if (intel_sdvo_connector->left_margin == temp_value)
1750                                 return 0;
1751
1752                         intel_sdvo_connector->left_margin = temp_value;
1753                         intel_sdvo_connector->right_margin = temp_value;
1754                         temp_value = intel_sdvo_connector->max_hscan -
1755                                 intel_sdvo_connector->left_margin;
1756                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1757                         goto set_value;
1758                 } else if (intel_sdvo_connector->right == property) {
1759                         drm_connector_property_set_value(connector,
1760                                                          intel_sdvo_connector->left, val);
1761                         if (intel_sdvo_connector->right_margin == temp_value)
1762                                 return 0;
1763
1764                         intel_sdvo_connector->left_margin = temp_value;
1765                         intel_sdvo_connector->right_margin = temp_value;
1766                         temp_value = intel_sdvo_connector->max_hscan -
1767                                 intel_sdvo_connector->left_margin;
1768                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1769                         goto set_value;
1770                 } else if (intel_sdvo_connector->top == property) {
1771                         drm_connector_property_set_value(connector,
1772                                                          intel_sdvo_connector->bottom, val);
1773                         if (intel_sdvo_connector->top_margin == temp_value)
1774                                 return 0;
1775
1776                         intel_sdvo_connector->top_margin = temp_value;
1777                         intel_sdvo_connector->bottom_margin = temp_value;
1778                         temp_value = intel_sdvo_connector->max_vscan -
1779                                 intel_sdvo_connector->top_margin;
1780                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1781                         goto set_value;
1782                 } else if (intel_sdvo_connector->bottom == property) {
1783                         drm_connector_property_set_value(connector,
1784                                                          intel_sdvo_connector->top, val);
1785                         if (intel_sdvo_connector->bottom_margin == temp_value)
1786                                 return 0;
1787
1788                         intel_sdvo_connector->top_margin = temp_value;
1789                         intel_sdvo_connector->bottom_margin = temp_value;
1790                         temp_value = intel_sdvo_connector->max_vscan -
1791                                 intel_sdvo_connector->top_margin;
1792                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1793                         goto set_value;
1794                 }
1795                 CHECK_PROPERTY(hpos, HPOS)
1796                 CHECK_PROPERTY(vpos, VPOS)
1797                 CHECK_PROPERTY(saturation, SATURATION)
1798                 CHECK_PROPERTY(contrast, CONTRAST)
1799                 CHECK_PROPERTY(hue, HUE)
1800                 CHECK_PROPERTY(brightness, BRIGHTNESS)
1801                 CHECK_PROPERTY(sharpness, SHARPNESS)
1802                 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1803                 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1804                 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1805                 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1806                 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1807                 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1808         }
1809
1810         return -EINVAL; /* unknown property */
1811
1812 set_value:
1813         if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
1814                 return -EIO;
1815
1816
1817 done:
1818         if (intel_sdvo->base.base.crtc) {
1819                 struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
1820                 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1821                                          crtc->y, crtc->fb);
1822         }
1823
1824         return 0;
1825 #undef CHECK_PROPERTY
1826 }
1827
1828 static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
1829         .dpms = intel_sdvo_dpms,
1830         .mode_fixup = intel_sdvo_mode_fixup,
1831         .prepare = intel_encoder_prepare,
1832         .mode_set = intel_sdvo_mode_set,
1833         .commit = intel_encoder_commit,
1834 };
1835
1836 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
1837         .dpms = drm_helper_connector_dpms,
1838         .detect = intel_sdvo_detect,
1839         .fill_modes = drm_helper_probe_single_connector_modes,
1840         .set_property = intel_sdvo_set_property,
1841         .destroy = intel_sdvo_destroy,
1842 };
1843
1844 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
1845         .get_modes = intel_sdvo_get_modes,
1846         .mode_valid = intel_sdvo_mode_valid,
1847         .best_encoder = intel_best_encoder,
1848 };
1849
1850 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
1851 {
1852         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1853
1854         if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
1855                 drm_mode_destroy(encoder->dev,
1856                                  intel_sdvo->sdvo_lvds_fixed_mode);
1857
1858         i2c_del_adapter(&intel_sdvo->ddc);
1859         intel_encoder_destroy(encoder);
1860 }
1861
1862 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
1863         .destroy = intel_sdvo_enc_destroy,
1864 };
1865
1866 static void
1867 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
1868 {
1869         uint16_t mask = 0;
1870         unsigned int num_bits;
1871
1872         /* Make a mask of outputs less than or equal to our own priority in the
1873          * list.
1874          */
1875         switch (sdvo->controlled_output) {
1876         case SDVO_OUTPUT_LVDS1:
1877                 mask |= SDVO_OUTPUT_LVDS1;
1878         case SDVO_OUTPUT_LVDS0:
1879                 mask |= SDVO_OUTPUT_LVDS0;
1880         case SDVO_OUTPUT_TMDS1:
1881                 mask |= SDVO_OUTPUT_TMDS1;
1882         case SDVO_OUTPUT_TMDS0:
1883                 mask |= SDVO_OUTPUT_TMDS0;
1884         case SDVO_OUTPUT_RGB1:
1885                 mask |= SDVO_OUTPUT_RGB1;
1886         case SDVO_OUTPUT_RGB0:
1887                 mask |= SDVO_OUTPUT_RGB0;
1888                 break;
1889         }
1890
1891         /* Count bits to find what number we are in the priority list. */
1892         mask &= sdvo->caps.output_flags;
1893         num_bits = hweight16(mask);
1894         /* If more than 3 outputs, default to DDC bus 3 for now. */
1895         if (num_bits > 3)
1896                 num_bits = 3;
1897
1898         /* Corresponds to SDVO_CONTROL_BUS_DDCx */
1899         sdvo->ddc_bus = 1 << num_bits;
1900 }
1901
1902 /**
1903  * Choose the appropriate DDC bus for control bus switch command for this
1904  * SDVO output based on the controlled output.
1905  *
1906  * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
1907  * outputs, then LVDS outputs.
1908  */
1909 static void
1910 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
1911                           struct intel_sdvo *sdvo, u32 reg)
1912 {
1913         struct sdvo_device_mapping *mapping;
1914
1915         if (IS_SDVOB(reg))
1916                 mapping = &(dev_priv->sdvo_mappings[0]);
1917         else
1918                 mapping = &(dev_priv->sdvo_mappings[1]);
1919
1920         if (mapping->initialized)
1921                 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
1922         else
1923                 intel_sdvo_guess_ddc_bus(sdvo);
1924 }
1925
1926 static void
1927 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
1928                           struct intel_sdvo *sdvo, u32 reg)
1929 {
1930         struct sdvo_device_mapping *mapping;
1931         u8 pin, speed;
1932
1933         if (IS_SDVOB(reg))
1934                 mapping = &dev_priv->sdvo_mappings[0];
1935         else
1936                 mapping = &dev_priv->sdvo_mappings[1];
1937
1938         pin = GMBUS_PORT_DPB;
1939         speed = GMBUS_RATE_1MHZ >> 8;
1940         if (mapping->initialized) {
1941                 pin = mapping->i2c_pin;
1942                 speed = mapping->i2c_speed;
1943         }
1944
1945         sdvo->i2c = &dev_priv->gmbus[pin].adapter;
1946         intel_gmbus_set_speed(sdvo->i2c, speed);
1947         intel_gmbus_force_bit(sdvo->i2c, true);
1948 }
1949
1950 static bool
1951 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
1952 {
1953         int is_hdmi;
1954
1955         if (!intel_sdvo_check_supp_encode(intel_sdvo))
1956                 return false;
1957
1958         if (!intel_sdvo_set_target_output(intel_sdvo,
1959                                           device == 0 ? SDVO_OUTPUT_TMDS0 : SDVO_OUTPUT_TMDS1))
1960                 return false;
1961
1962         is_hdmi = 0;
1963         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ENCODE, &is_hdmi, 1))
1964                 return false;
1965
1966         return !!is_hdmi;
1967 }
1968
1969 static u8
1970 intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
1971 {
1972         struct drm_i915_private *dev_priv = dev->dev_private;
1973         struct sdvo_device_mapping *my_mapping, *other_mapping;
1974
1975         if (IS_SDVOB(sdvo_reg)) {
1976                 my_mapping = &dev_priv->sdvo_mappings[0];
1977                 other_mapping = &dev_priv->sdvo_mappings[1];
1978         } else {
1979                 my_mapping = &dev_priv->sdvo_mappings[1];
1980                 other_mapping = &dev_priv->sdvo_mappings[0];
1981         }
1982
1983         /* If the BIOS described our SDVO device, take advantage of it. */
1984         if (my_mapping->slave_addr)
1985                 return my_mapping->slave_addr;
1986
1987         /* If the BIOS only described a different SDVO device, use the
1988          * address that it isn't using.
1989          */
1990         if (other_mapping->slave_addr) {
1991                 if (other_mapping->slave_addr == 0x70)
1992                         return 0x72;
1993                 else
1994                         return 0x70;
1995         }
1996
1997         /* No SDVO device info is found for another DVO port,
1998          * so use mapping assumption we had before BIOS parsing.
1999          */
2000         if (IS_SDVOB(sdvo_reg))
2001                 return 0x70;
2002         else
2003                 return 0x72;
2004 }
2005
2006 static void
2007 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2008                           struct intel_sdvo *encoder)
2009 {
2010         drm_connector_init(encoder->base.base.dev,
2011                            &connector->base.base,
2012                            &intel_sdvo_connector_funcs,
2013                            connector->base.base.connector_type);
2014
2015         drm_connector_helper_add(&connector->base.base,
2016                                  &intel_sdvo_connector_helper_funcs);
2017
2018         connector->base.base.interlace_allowed = 0;
2019         connector->base.base.doublescan_allowed = 0;
2020         connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2021
2022         intel_connector_attach_encoder(&connector->base, &encoder->base);
2023         drm_sysfs_connector_add(&connector->base.base);
2024 }
2025
2026 static void
2027 intel_sdvo_add_hdmi_properties(struct intel_sdvo_connector *connector)
2028 {
2029         struct drm_device *dev = connector->base.base.dev;
2030
2031         connector->force_audio_property =
2032                 drm_property_create(dev, DRM_MODE_PROP_RANGE, "force_audio", 2);
2033         if (connector->force_audio_property) {
2034                 connector->force_audio_property->values[0] = -1;
2035                 connector->force_audio_property->values[1] = 1;
2036                 drm_connector_attach_property(&connector->base.base,
2037                                               connector->force_audio_property, 0);
2038         }
2039 }
2040
2041 static bool
2042 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2043 {
2044         struct drm_encoder *encoder = &intel_sdvo->base.base;
2045         struct drm_connector *connector;
2046         struct intel_connector *intel_connector;
2047         struct intel_sdvo_connector *intel_sdvo_connector;
2048
2049         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2050         if (!intel_sdvo_connector)
2051                 return false;
2052
2053         if (device == 0) {
2054                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2055                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2056         } else if (device == 1) {
2057                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2058                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2059         }
2060
2061         intel_connector = &intel_sdvo_connector->base;
2062         connector = &intel_connector->base;
2063         connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2064         encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2065         connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2066
2067         if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2068                 /* enable hdmi encoding mode if supported */
2069                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
2070                 intel_sdvo_set_colorimetry(intel_sdvo,
2071                                            SDVO_COLORIMETRY_RGB256);
2072                 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2073                 intel_sdvo->is_hdmi = true;
2074         }
2075         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2076                                        (1 << INTEL_ANALOG_CLONE_BIT));
2077
2078         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2079
2080         intel_sdvo_add_hdmi_properties(intel_sdvo_connector);
2081
2082         return true;
2083 }
2084
2085 static bool
2086 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2087 {
2088         struct drm_encoder *encoder = &intel_sdvo->base.base;
2089         struct drm_connector *connector;
2090         struct intel_connector *intel_connector;
2091         struct intel_sdvo_connector *intel_sdvo_connector;
2092
2093         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2094         if (!intel_sdvo_connector)
2095                 return false;
2096
2097         intel_connector = &intel_sdvo_connector->base;
2098         connector = &intel_connector->base;
2099         encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2100         connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2101
2102         intel_sdvo->controlled_output |= type;
2103         intel_sdvo_connector->output_flag = type;
2104
2105         intel_sdvo->is_tv = true;
2106         intel_sdvo->base.needs_tv_clock = true;
2107         intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2108
2109         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2110
2111         if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2112                 goto err;
2113
2114         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2115                 goto err;
2116
2117         return true;
2118
2119 err:
2120         intel_sdvo_destroy(connector);
2121         return false;
2122 }
2123
2124 static bool
2125 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2126 {
2127         struct drm_encoder *encoder = &intel_sdvo->base.base;
2128         struct drm_connector *connector;
2129         struct intel_connector *intel_connector;
2130         struct intel_sdvo_connector *intel_sdvo_connector;
2131
2132         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2133         if (!intel_sdvo_connector)
2134                 return false;
2135
2136         intel_connector = &intel_sdvo_connector->base;
2137         connector = &intel_connector->base;
2138         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2139         encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2140         connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2141
2142         if (device == 0) {
2143                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2144                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2145         } else if (device == 1) {
2146                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2147                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2148         }
2149
2150         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2151                                        (1 << INTEL_ANALOG_CLONE_BIT));
2152
2153         intel_sdvo_connector_init(intel_sdvo_connector,
2154                                   intel_sdvo);
2155         return true;
2156 }
2157
2158 static bool
2159 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2160 {
2161         struct drm_encoder *encoder = &intel_sdvo->base.base;
2162         struct drm_connector *connector;
2163         struct intel_connector *intel_connector;
2164         struct intel_sdvo_connector *intel_sdvo_connector;
2165
2166         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2167         if (!intel_sdvo_connector)
2168                 return false;
2169
2170         intel_connector = &intel_sdvo_connector->base;
2171         connector = &intel_connector->base;
2172         encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2173         connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2174
2175         if (device == 0) {
2176                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2177                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2178         } else if (device == 1) {
2179                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2180                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2181         }
2182
2183         intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
2184                                        (1 << INTEL_SDVO_LVDS_CLONE_BIT));
2185
2186         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2187         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2188                 goto err;
2189
2190         return true;
2191
2192 err:
2193         intel_sdvo_destroy(connector);
2194         return false;
2195 }
2196
2197 static bool
2198 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2199 {
2200         intel_sdvo->is_tv = false;
2201         intel_sdvo->base.needs_tv_clock = false;
2202         intel_sdvo->is_lvds = false;
2203
2204         /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2205
2206         if (flags & SDVO_OUTPUT_TMDS0)
2207                 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2208                         return false;
2209
2210         if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2211                 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2212                         return false;
2213
2214         /* TV has no XXX1 function block */
2215         if (flags & SDVO_OUTPUT_SVID0)
2216                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2217                         return false;
2218
2219         if (flags & SDVO_OUTPUT_CVBS0)
2220                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2221                         return false;
2222
2223         if (flags & SDVO_OUTPUT_RGB0)
2224                 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2225                         return false;
2226
2227         if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2228                 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2229                         return false;
2230
2231         if (flags & SDVO_OUTPUT_LVDS0)
2232                 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2233                         return false;
2234
2235         if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2236                 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2237                         return false;
2238
2239         if ((flags & SDVO_OUTPUT_MASK) == 0) {
2240                 unsigned char bytes[2];
2241
2242                 intel_sdvo->controlled_output = 0;
2243                 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2244                 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2245                               SDVO_NAME(intel_sdvo),
2246                               bytes[0], bytes[1]);
2247                 return false;
2248         }
2249         intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1);
2250
2251         return true;
2252 }
2253
2254 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2255                                           struct intel_sdvo_connector *intel_sdvo_connector,
2256                                           int type)
2257 {
2258         struct drm_device *dev = intel_sdvo->base.base.dev;
2259         struct intel_sdvo_tv_format format;
2260         uint32_t format_map, i;
2261
2262         if (!intel_sdvo_set_target_output(intel_sdvo, type))
2263                 return false;
2264
2265         if (!intel_sdvo_get_value(intel_sdvo,
2266                                   SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2267                                   &format, sizeof(format)))
2268                 return false;
2269
2270         memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2271
2272         if (format_map == 0)
2273                 return false;
2274
2275         intel_sdvo_connector->format_supported_num = 0;
2276         for (i = 0 ; i < TV_FORMAT_NUM; i++)
2277                 if (format_map & (1 << i))
2278                         intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2279
2280
2281         intel_sdvo_connector->tv_format =
2282                         drm_property_create(dev, DRM_MODE_PROP_ENUM,
2283                                             "mode", intel_sdvo_connector->format_supported_num);
2284         if (!intel_sdvo_connector->tv_format)
2285                 return false;
2286
2287         for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2288                 drm_property_add_enum(
2289                                 intel_sdvo_connector->tv_format, i,
2290                                 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2291
2292         intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2293         drm_connector_attach_property(&intel_sdvo_connector->base.base,
2294                                       intel_sdvo_connector->tv_format, 0);
2295         return true;
2296
2297 }
2298
2299 #define ENHANCEMENT(name, NAME) do { \
2300         if (enhancements.name) { \
2301                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2302                     !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2303                         return false; \
2304                 intel_sdvo_connector->max_##name = data_value[0]; \
2305                 intel_sdvo_connector->cur_##name = response; \
2306                 intel_sdvo_connector->name = \
2307                         drm_property_create(dev, DRM_MODE_PROP_RANGE, #name, 2); \
2308                 if (!intel_sdvo_connector->name) return false; \
2309                 intel_sdvo_connector->name->values[0] = 0; \
2310                 intel_sdvo_connector->name->values[1] = data_value[0]; \
2311                 drm_connector_attach_property(connector, \
2312                                               intel_sdvo_connector->name, \
2313                                               intel_sdvo_connector->cur_##name); \
2314                 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2315                               data_value[0], data_value[1], response); \
2316         } \
2317 } while(0)
2318
2319 static bool
2320 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2321                                       struct intel_sdvo_connector *intel_sdvo_connector,
2322                                       struct intel_sdvo_enhancements_reply enhancements)
2323 {
2324         struct drm_device *dev = intel_sdvo->base.base.dev;
2325         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2326         uint16_t response, data_value[2];
2327
2328         /* when horizontal overscan is supported, Add the left/right  property */
2329         if (enhancements.overscan_h) {
2330                 if (!intel_sdvo_get_value(intel_sdvo,
2331                                           SDVO_CMD_GET_MAX_OVERSCAN_H,
2332                                           &data_value, 4))
2333                         return false;
2334
2335                 if (!intel_sdvo_get_value(intel_sdvo,
2336                                           SDVO_CMD_GET_OVERSCAN_H,
2337                                           &response, 2))
2338                         return false;
2339
2340                 intel_sdvo_connector->max_hscan = data_value[0];
2341                 intel_sdvo_connector->left_margin = data_value[0] - response;
2342                 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2343                 intel_sdvo_connector->left =
2344                         drm_property_create(dev, DRM_MODE_PROP_RANGE,
2345                                             "left_margin", 2);
2346                 if (!intel_sdvo_connector->left)
2347                         return false;
2348
2349                 intel_sdvo_connector->left->values[0] = 0;
2350                 intel_sdvo_connector->left->values[1] = data_value[0];
2351                 drm_connector_attach_property(connector,
2352                                               intel_sdvo_connector->left,
2353                                               intel_sdvo_connector->left_margin);
2354
2355                 intel_sdvo_connector->right =
2356                         drm_property_create(dev, DRM_MODE_PROP_RANGE,
2357                                             "right_margin", 2);
2358                 if (!intel_sdvo_connector->right)
2359                         return false;
2360
2361                 intel_sdvo_connector->right->values[0] = 0;
2362                 intel_sdvo_connector->right->values[1] = data_value[0];
2363                 drm_connector_attach_property(connector,
2364                                               intel_sdvo_connector->right,
2365                                               intel_sdvo_connector->right_margin);
2366                 DRM_DEBUG_KMS("h_overscan: max %d, "
2367                               "default %d, current %d\n",
2368                               data_value[0], data_value[1], response);
2369         }
2370
2371         if (enhancements.overscan_v) {
2372                 if (!intel_sdvo_get_value(intel_sdvo,
2373                                           SDVO_CMD_GET_MAX_OVERSCAN_V,
2374                                           &data_value, 4))
2375                         return false;
2376
2377                 if (!intel_sdvo_get_value(intel_sdvo,
2378                                           SDVO_CMD_GET_OVERSCAN_V,
2379                                           &response, 2))
2380                         return false;
2381
2382                 intel_sdvo_connector->max_vscan = data_value[0];
2383                 intel_sdvo_connector->top_margin = data_value[0] - response;
2384                 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2385                 intel_sdvo_connector->top =
2386                         drm_property_create(dev, DRM_MODE_PROP_RANGE,
2387                                             "top_margin", 2);
2388                 if (!intel_sdvo_connector->top)
2389                         return false;
2390
2391                 intel_sdvo_connector->top->values[0] = 0;
2392                 intel_sdvo_connector->top->values[1] = data_value[0];
2393                 drm_connector_attach_property(connector,
2394                                               intel_sdvo_connector->top,
2395                                               intel_sdvo_connector->top_margin);
2396
2397                 intel_sdvo_connector->bottom =
2398                         drm_property_create(dev, DRM_MODE_PROP_RANGE,
2399                                             "bottom_margin", 2);
2400                 if (!intel_sdvo_connector->bottom)
2401                         return false;
2402
2403                 intel_sdvo_connector->bottom->values[0] = 0;
2404                 intel_sdvo_connector->bottom->values[1] = data_value[0];
2405                 drm_connector_attach_property(connector,
2406                                               intel_sdvo_connector->bottom,
2407                                               intel_sdvo_connector->bottom_margin);
2408                 DRM_DEBUG_KMS("v_overscan: max %d, "
2409                               "default %d, current %d\n",
2410                               data_value[0], data_value[1], response);
2411         }
2412
2413         ENHANCEMENT(hpos, HPOS);
2414         ENHANCEMENT(vpos, VPOS);
2415         ENHANCEMENT(saturation, SATURATION);
2416         ENHANCEMENT(contrast, CONTRAST);
2417         ENHANCEMENT(hue, HUE);
2418         ENHANCEMENT(sharpness, SHARPNESS);
2419         ENHANCEMENT(brightness, BRIGHTNESS);
2420         ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2421         ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2422         ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2423         ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2424         ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2425
2426         if (enhancements.dot_crawl) {
2427                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2428                         return false;
2429
2430                 intel_sdvo_connector->max_dot_crawl = 1;
2431                 intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2432                 intel_sdvo_connector->dot_crawl =
2433                         drm_property_create(dev, DRM_MODE_PROP_RANGE, "dot_crawl", 2);
2434                 if (!intel_sdvo_connector->dot_crawl)
2435                         return false;
2436
2437                 intel_sdvo_connector->dot_crawl->values[0] = 0;
2438                 intel_sdvo_connector->dot_crawl->values[1] = 1;
2439                 drm_connector_attach_property(connector,
2440                                               intel_sdvo_connector->dot_crawl,
2441                                               intel_sdvo_connector->cur_dot_crawl);
2442                 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2443         }
2444
2445         return true;
2446 }
2447
2448 static bool
2449 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2450                                         struct intel_sdvo_connector *intel_sdvo_connector,
2451                                         struct intel_sdvo_enhancements_reply enhancements)
2452 {
2453         struct drm_device *dev = intel_sdvo->base.base.dev;
2454         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2455         uint16_t response, data_value[2];
2456
2457         ENHANCEMENT(brightness, BRIGHTNESS);
2458
2459         return true;
2460 }
2461 #undef ENHANCEMENT
2462
2463 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2464                                                struct intel_sdvo_connector *intel_sdvo_connector)
2465 {
2466         union {
2467                 struct intel_sdvo_enhancements_reply reply;
2468                 uint16_t response;
2469         } enhancements;
2470
2471         enhancements.response = 0;
2472         intel_sdvo_get_value(intel_sdvo,
2473                              SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2474                              &enhancements, sizeof(enhancements));
2475         if (enhancements.response == 0) {
2476                 DRM_DEBUG_KMS("No enhancement is supported\n");
2477                 return true;
2478         }
2479
2480         if (IS_TV(intel_sdvo_connector))
2481                 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2482         else if(IS_LVDS(intel_sdvo_connector))
2483                 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2484         else
2485                 return true;
2486 }
2487
2488 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2489                                      struct i2c_msg *msgs,
2490                                      int num)
2491 {
2492         struct intel_sdvo *sdvo = adapter->algo_data;
2493
2494         if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2495                 return -EIO;
2496
2497         return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2498 }
2499
2500 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2501 {
2502         struct intel_sdvo *sdvo = adapter->algo_data;
2503         return sdvo->i2c->algo->functionality(sdvo->i2c);
2504 }
2505
2506 static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
2507         .master_xfer    = intel_sdvo_ddc_proxy_xfer,
2508         .functionality  = intel_sdvo_ddc_proxy_func
2509 };
2510
2511 static bool
2512 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
2513                           struct drm_device *dev)
2514 {
2515         sdvo->ddc.owner = THIS_MODULE;
2516         sdvo->ddc.class = I2C_CLASS_DDC;
2517         snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2518         sdvo->ddc.dev.parent = &dev->pdev->dev;
2519         sdvo->ddc.algo_data = sdvo;
2520         sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
2521
2522         return i2c_add_adapter(&sdvo->ddc) == 0;
2523 }
2524
2525 bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
2526 {
2527         struct drm_i915_private *dev_priv = dev->dev_private;
2528         struct intel_encoder *intel_encoder;
2529         struct intel_sdvo *intel_sdvo;
2530         int i;
2531
2532         intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);
2533         if (!intel_sdvo)
2534                 return false;
2535
2536         if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev)) {
2537                 kfree(intel_sdvo);
2538                 return false;
2539         }
2540
2541         intel_sdvo->sdvo_reg = sdvo_reg;
2542
2543         intel_encoder = &intel_sdvo->base;
2544         intel_encoder->type = INTEL_OUTPUT_SDVO;
2545         /* encoder type will be decided later */
2546         drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
2547
2548         intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, sdvo_reg) >> 1;
2549         intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
2550
2551         /* Read the regs to test if we can talk to the device */
2552         for (i = 0; i < 0x40; i++) {
2553                 u8 byte;
2554
2555                 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
2556                         DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
2557                                       IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2558                         goto err;
2559                 }
2560         }
2561
2562         if (IS_SDVOB(sdvo_reg))
2563                 dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
2564         else
2565                 dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
2566
2567         drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
2568
2569         /* In default case sdvo lvds is false */
2570         if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
2571                 goto err;
2572
2573         if (intel_sdvo_output_setup(intel_sdvo,
2574                                     intel_sdvo->caps.output_flags) != true) {
2575                 DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
2576                               IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2577                 goto err;
2578         }
2579
2580         intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
2581
2582         /* Set the input timing to the screen. Assume always input 0. */
2583         if (!intel_sdvo_set_target_input(intel_sdvo))
2584                 goto err;
2585
2586         if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
2587                                                     &intel_sdvo->pixel_clock_min,
2588                                                     &intel_sdvo->pixel_clock_max))
2589                 goto err;
2590
2591         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2592                         "clock range %dMHz - %dMHz, "
2593                         "input 1: %c, input 2: %c, "
2594                         "output 1: %c, output 2: %c\n",
2595                         SDVO_NAME(intel_sdvo),
2596                         intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
2597                         intel_sdvo->caps.device_rev_id,
2598                         intel_sdvo->pixel_clock_min / 1000,
2599                         intel_sdvo->pixel_clock_max / 1000,
2600                         (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2601                         (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2602                         /* check currently supported outputs */
2603                         intel_sdvo->caps.output_flags &
2604                         (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2605                         intel_sdvo->caps.output_flags &
2606                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2607         return true;
2608
2609 err:
2610         drm_encoder_cleanup(&intel_encoder->base);
2611         i2c_del_adapter(&intel_sdvo->ddc);
2612         kfree(intel_sdvo);
2613
2614         return false;
2615 }