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_TMDS(c)      (c->output_flag & SDVO_TMDS_MASK)
  50 #define IS_LVDS(c)      (c->output_flag & SDVO_LVDS_MASK)
  51 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
  52
  53
  54 static const char *tv_format_names[] = {
  55         "NTSC_M"   , "NTSC_J"  , "NTSC_443",
  56         "PAL_B"    , "PAL_D"   , "PAL_G"   ,
  57         "PAL_H"    , "PAL_I"   , "PAL_M"   ,
  58         "PAL_N"    , "PAL_NC"  , "PAL_60"  ,
  59         "SECAM_B"  , "SECAM_D" , "SECAM_G" ,
  60         "SECAM_K"  , "SECAM_K1", "SECAM_L" ,
  61         "SECAM_60"
  62 };
  63
  64 #define TV_FORMAT_NUM  (sizeof(tv_format_names) / sizeof(*tv_format_names))
  65
  66 struct intel_sdvo {
  67         struct intel_encoder base;
  68
  69         struct i2c_adapter *i2c;
  70         u8 slave_addr;
  71
  72         struct i2c_adapter ddc;
  73
  74         /* Register for the SDVO device: SDVOB or SDVOC */
  75         int sdvo_reg;
  76
  77         /* Active outputs controlled by this SDVO output */
  78         uint16_t controlled_output;
  79
  80         /*
  81          * Capabilities of the SDVO device returned by
  82          * i830_sdvo_get_capabilities()
  83          */
  84         struct intel_sdvo_caps caps;
  85
  86         /* Pixel clock limitations reported by the SDVO device, in kHz */
  87         int pixel_clock_min, pixel_clock_max;
  88
  89         /*
  90         * For multiple function SDVO device,
  91         * this is for current attached outputs.
  92         */
  93         uint16_t attached_output;
  94
  95         /**
  96          * This is used to select the color range of RBG outputs in HDMI mode.
  97          * It is only valid when using TMDS encoding and 8 bit per color mode.
  98          */
  99         uint32_t color_range;
 100
 101         /**
 102          * This is set if we're going to treat the device as TV-out.
 103          *
 104          * While we have these nice friendly flags for output types that ought
 105          * to decide this for us, the S-Video output on our HDMI+S-Video card
 106          * shows up as RGB1 (VGA).
 107          */
 108         bool is_tv;
 109
 110         /* This is for current tv format name */
 111         int tv_format_index;
 112
 113         /**
 114          * This is set if we treat the device as HDMI, instead of DVI.
 115          */
 116         bool is_hdmi;
 117         bool has_hdmi_monitor;
 118         bool has_hdmi_audio;
 119
 120         /**
 121          * This is set if we detect output of sdvo device as LVDS and
 122          * have a valid fixed mode to use with the panel.
 123          */
 124         bool is_lvds;
 125
 126         /**
 127          * This is sdvo fixed pannel mode pointer
 128          */
 129         struct drm_display_mode *sdvo_lvds_fixed_mode;
 130
 131         /* DDC bus used by this SDVO encoder */
 132         uint8_t ddc_bus;
 133
 134         /* Input timings for adjusted_mode */
 135         struct intel_sdvo_dtd input_dtd;
 136 };
 137
 138 struct intel_sdvo_connector {
 139         struct intel_connector base;
 140
 141         /* Mark the type of connector */
 142         uint16_t output_flag;
 143
 144         int force_audio;
 145
 146         /* This contains all current supported TV format */
 147         u8 tv_format_supported[TV_FORMAT_NUM];
 148         int   format_supported_num;
 149         struct drm_property *tv_format;
 150
 151         struct drm_property *force_audio_property;
 152
 153         /* add the property for the SDVO-TV */
 154         struct drm_property *left;
 155         struct drm_property *right;
 156         struct drm_property *top;
 157         struct drm_property *bottom;
 158         struct drm_property *hpos;
 159         struct drm_property *vpos;
 160         struct drm_property *contrast;
 161         struct drm_property *saturation;
 162         struct drm_property *hue;
 163         struct drm_property *sharpness;
 164         struct drm_property *flicker_filter;
 165         struct drm_property *flicker_filter_adaptive;
 166         struct drm_property *flicker_filter_2d;
 167         struct drm_property *tv_chroma_filter;
 168         struct drm_property *tv_luma_filter;
 169         struct drm_property *dot_crawl;
 170
 171         /* add the property for the SDVO-TV/LVDS */
 172         struct drm_property *brightness;
 173
 174         /* Add variable to record current setting for the above property */
 175         u32     left_margin, right_margin, top_margin, bottom_margin;
 176
 177         /* this is to get the range of margin.*/
 178         u32     max_hscan,  max_vscan;
 179         u32     max_hpos, cur_hpos;
 180         u32     max_vpos, cur_vpos;
 181         u32     cur_brightness, max_brightness;
 182         u32     cur_contrast,   max_contrast;
 183         u32     cur_saturation, max_saturation;
 184         u32     cur_hue,        max_hue;
 185         u32     cur_sharpness,  max_sharpness;
 186         u32     cur_flicker_filter,             max_flicker_filter;
 187         u32     cur_flicker_filter_adaptive,    max_flicker_filter_adaptive;
 188         u32     cur_flicker_filter_2d,          max_flicker_filter_2d;
 189         u32     cur_tv_chroma_filter,   max_tv_chroma_filter;
 190         u32     cur_tv_luma_filter,     max_tv_luma_filter;
 191         u32     cur_dot_crawl,  max_dot_crawl;
 192 };
 193
 194 static struct intel_sdvo *to_intel_sdvo(struct drm_encoder *encoder)
 195 {
 196         return container_of(encoder, struct intel_sdvo, base.base);
 197 }
 198
 199 static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
 200 {
 201         return container_of(intel_attached_encoder(connector),
 202                             struct intel_sdvo, base);
 203 }
 204
 205 static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector)
 206 {
 207         return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);
 208 }
 209
 210 static bool
 211 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
 212 static bool
 213 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
 214                               struct intel_sdvo_connector *intel_sdvo_connector,
 215                               int type);
 216 static bool
 217 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
 218                                    struct intel_sdvo_connector *intel_sdvo_connector);
 219
 220 /**
 221  * Writes the SDVOB or SDVOC with the given value, but always writes both
 222  * SDVOB and SDVOC to work around apparent hardware issues (according to
 223  * comments in the BIOS).
 224  */
 225 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
 226 {
 227         struct drm_device *dev = intel_sdvo->base.base.dev;
 228         struct drm_i915_private *dev_priv = dev->dev_private;
 229         u32 bval = val, cval = val;
 230         int i;
 231
 232         if (intel_sdvo->sdvo_reg == PCH_SDVOB) {
 233                 I915_WRITE(intel_sdvo->sdvo_reg, val);
 234                 I915_READ(intel_sdvo->sdvo_reg);
 235                 return;
 236         }
 237
 238         if (intel_sdvo->sdvo_reg == SDVOB) {
 239                 cval = I915_READ(SDVOC);
 240         } else {
 241                 bval = I915_READ(SDVOB);
 242         }
 243         /*
 244          * Write the registers twice for luck. Sometimes,
 245          * writing them only once doesn't appear to 'stick'.
 246          * The BIOS does this too. Yay, magic
 247          */
 248         for (i = 0; i < 2; i++)
 249         {
 250                 I915_WRITE(SDVOB, bval);
 251                 I915_READ(SDVOB);
 252                 I915_WRITE(SDVOC, cval);
 253                 I915_READ(SDVOC);
 254         }
 255 }
 256
 257 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
 258 {
 259         struct i2c_msg msgs[] = {
 260                 {
 261                         .addr = intel_sdvo->slave_addr,
 262                         .flags = 0,
 263                         .len = 1,
 264                         .buf = &addr,
 265                 },
 266                 {
 267                         .addr = intel_sdvo->slave_addr,
 268                         .flags = I2C_M_RD,
 269                         .len = 1,
 270                         .buf = ch,
 271                 }
 272         };
 273         int ret;
 274
 275         if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
 276                 return true;
 277
 278         DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
 279         return false;
 280 }
 281
 282 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
 283 /** Mapping of command numbers to names, for debug output */
 284 static const struct _sdvo_cmd_name {
 285         u8 cmd;
 286         const char *name;
 287 } sdvo_cmd_names[] = {
 288     SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
 289     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
 290     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
 291     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
 292     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
 293     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
 294     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
 295     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
 296     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
 297     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
 298     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
 299     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
 300     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
 301     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
 302     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
 303     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
 304     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
 305     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 306     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
 307     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 308     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
 309     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
 310     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
 311     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
 312     SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
 313     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
 314     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
 315     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
 316     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
 317     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
 318     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
 319     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
 320     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
 321     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
 322     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
 323     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
 324     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
 325     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
 326     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
 327     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
 328     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
 329     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
 330     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
 331
 332     /* Add the op code for SDVO enhancements */
 333     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
 334     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
 335     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
 336     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
 337     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
 338     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
 339     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
 340     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
 341     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
 342     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
 343     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
 344     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
 345     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
 346     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
 347     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
 348     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
 349     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
 350     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
 351     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
 352     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
 353     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
 354     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
 355     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
 356     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
 357     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
 358     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
 359     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
 360     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
 361     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
 362     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
 363     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
 364     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
 365     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
 366     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
 367     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
 368     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
 369     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
 370     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
 371     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
 372     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
 373     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
 374     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
 375     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
 376     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
 377
 378     /* HDMI op code */
 379     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
 380     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
 381     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
 382     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
 383     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
 384     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
 385     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
 386     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
 387     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
 388     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
 389     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
 390     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
 391     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
 392     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
 393     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
 394     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
 395     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
 396     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
 397     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
 398     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
 399 };
 400
 401 #define IS_SDVOB(reg)   (reg == SDVOB || reg == PCH_SDVOB)
 402 #define SDVO_NAME(svdo) (IS_SDVOB((svdo)->sdvo_reg) ? "SDVOB" : "SDVOC")
 403
 404 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
 405                                    const void *args, int args_len)
 406 {
 407         int i;
 408
 409         DRM_DEBUG_KMS("%s: W: %02X ",
 410                                 SDVO_NAME(intel_sdvo), cmd);
 411         for (i = 0; i < args_len; i++)
 412                 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
 413         for (; i < 8; i++)
 414                 DRM_LOG_KMS("   ");
 415         for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
 416                 if (cmd == sdvo_cmd_names[i].cmd) {
 417                         DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
 418                         break;
 419                 }
 420         }
 421         if (i == ARRAY_SIZE(sdvo_cmd_names))
 422                 DRM_LOG_KMS("(%02X)", cmd);
 423         DRM_LOG_KMS("\n");
 424 }
 425
 426 static const char *cmd_status_names[] = {
 427         "Power on",
 428         "Success",
 429         "Not supported",
 430         "Invalid arg",
 431         "Pending",
 432         "Target not specified",
 433         "Scaling not supported"
 434 };
 435
 436 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
 437                                  const void *args, int args_len)
 438 {
 439         u8 buf[args_len*2 + 2], status;
 440         struct i2c_msg msgs[args_len + 3];
 441         int i, ret;
 442
 443         intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
 444
 445         for (i = 0; i < args_len; i++) {
 446                 msgs[i].addr = intel_sdvo->slave_addr;
 447                 msgs[i].flags = 0;
 448                 msgs[i].len = 2;
 449                 msgs[i].buf = buf + 2 *i;
 450                 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
 451                 buf[2*i + 1] = ((u8*)args)[i];
 452         }
 453         msgs[i].addr = intel_sdvo->slave_addr;
 454         msgs[i].flags = 0;
 455         msgs[i].len = 2;
 456         msgs[i].buf = buf + 2*i;
 457         buf[2*i + 0] = SDVO_I2C_OPCODE;
 458         buf[2*i + 1] = cmd;
 459
 460         /* the following two are to read the response */
 461         status = SDVO_I2C_CMD_STATUS;
 462         msgs[i+1].addr = intel_sdvo->slave_addr;
 463         msgs[i+1].flags = 0;
 464         msgs[i+1].len = 1;
 465         msgs[i+1].buf = &status;
 466
 467         msgs[i+2].addr = intel_sdvo->slave_addr;
 468         msgs[i+2].flags = I2C_M_RD;
 469         msgs[i+2].len = 1;
 470         msgs[i+2].buf = &status;
 471
 472         ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
 473         if (ret < 0) {
 474                 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
 475                 return false;
 476         }
 477         if (ret != i+3) {
 478                 /* failure in I2C transfer */
 479                 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
 480                 return false;
 481         }
 482
 483         return true;
 484 }
 485
 486 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
 487                                      void *response, int response_len)
 488 {
 489         u8 retry = 5;
 490         u8 status;
 491         int i;
 492
 493         DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));
 494
 495         /*
 496          * The documentation states that all commands will be
 497          * processed within 15µs, and that we need only poll
 498          * the status byte a maximum of 3 times in order for the
 499          * command to be complete.
 500          *
 501          * Check 5 times in case the hardware failed to read the docs.
 502          */
 503         if (!intel_sdvo_read_byte(intel_sdvo,
 504                                   SDVO_I2C_CMD_STATUS,
 505                                   &status))
 506                 goto log_fail;
 507
 508         while (status == SDVO_CMD_STATUS_PENDING && retry--) {
 509                 udelay(15);
 510                 if (!intel_sdvo_read_byte(intel_sdvo,
 511                                           SDVO_I2C_CMD_STATUS,
 512                                           &status))
 513                         goto log_fail;
 514         }
 515
 516         if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
 517                 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
 518         else
 519                 DRM_LOG_KMS("(??? %d)", status);
 520
 521         if (status != SDVO_CMD_STATUS_SUCCESS)
 522                 goto log_fail;
 523
 524         /* Read the command response */
 525         for (i = 0; i < response_len; i++) {
 526                 if (!intel_sdvo_read_byte(intel_sdvo,
 527                                           SDVO_I2C_RETURN_0 + i,
 528                                           &((u8 *)response)[i]))
 529                         goto log_fail;
 530                 DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
 531         }
 532         DRM_LOG_KMS("\n");
 533         return true;
 534
 535 log_fail:
 536         DRM_LOG_KMS("... failed\n");
 537         return false;
 538 }
 539
 540 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
 541 {
 542         if (mode->clock >= 100000)
 543                 return 1;
 544         else if (mode->clock >= 50000)
 545                 return 2;
 546         else
 547                 return 4;
 548 }
 549
 550 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
 551                                               u8 ddc_bus)
 552 {
 553         /* This must be the immediately preceding write before the i2c xfer */
 554         return intel_sdvo_write_cmd(intel_sdvo,
 555                                     SDVO_CMD_SET_CONTROL_BUS_SWITCH,
 556                                     &ddc_bus, 1);
 557 }
 558
 559 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
 560 {
 561         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
 562                 return false;
 563
 564         return intel_sdvo_read_response(intel_sdvo, NULL, 0);
 565 }
 566
 567 static bool
 568 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
 569 {
 570         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
 571                 return false;
 572
 573         return intel_sdvo_read_response(intel_sdvo, value, len);
 574 }
 575
 576 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
 577 {
 578         struct intel_sdvo_set_target_input_args targets = {0};
 579         return intel_sdvo_set_value(intel_sdvo,
 580                                     SDVO_CMD_SET_TARGET_INPUT,
 581                                     &targets, sizeof(targets));
 582 }
 583
 584 /**
 585  * Return whether each input is trained.
 586  *
 587  * This function is making an assumption about the layout of the response,
 588  * which should be checked against the docs.
 589  */
 590 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
 591 {
 592         struct intel_sdvo_get_trained_inputs_response response;
 593
 594         BUILD_BUG_ON(sizeof(response) != 1);
 595         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
 596                                   &response, sizeof(response)))
 597                 return false;
 598
 599         *input_1 = response.input0_trained;
 600         *input_2 = response.input1_trained;
 601         return true;
 602 }
 603
 604 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
 605                                           u16 outputs)
 606 {
 607         return intel_sdvo_set_value(intel_sdvo,
 608                                     SDVO_CMD_SET_ACTIVE_OUTPUTS,
 609                                     &outputs, sizeof(outputs));
 610 }
 611
 612 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
 613                                                int mode)
 614 {
 615         u8 state = SDVO_ENCODER_STATE_ON;
 616
 617         switch (mode) {
 618         case DRM_MODE_DPMS_ON:
 619                 state = SDVO_ENCODER_STATE_ON;
 620                 break;
 621         case DRM_MODE_DPMS_STANDBY:
 622                 state = SDVO_ENCODER_STATE_STANDBY;
 623                 break;
 624         case DRM_MODE_DPMS_SUSPEND:
 625                 state = SDVO_ENCODER_STATE_SUSPEND;
 626                 break;
 627         case DRM_MODE_DPMS_OFF:
 628                 state = SDVO_ENCODER_STATE_OFF;
 629                 break;
 630         }
 631
 632         return intel_sdvo_set_value(intel_sdvo,
 633                                     SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
 634 }
 635
 636 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
 637                                                    int *clock_min,
 638                                                    int *clock_max)
 639 {
 640         struct intel_sdvo_pixel_clock_range clocks;
 641
 642         BUILD_BUG_ON(sizeof(clocks) != 4);
 643         if (!intel_sdvo_get_value(intel_sdvo,
 644                                   SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
 645                                   &clocks, sizeof(clocks)))
 646                 return false;
 647
 648         /* Convert the values from units of 10 kHz to kHz. */
 649         *clock_min = clocks.min * 10;
 650         *clock_max = clocks.max * 10;
 651         return true;
 652 }
 653
 654 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
 655                                          u16 outputs)
 656 {
 657         return intel_sdvo_set_value(intel_sdvo,
 658                                     SDVO_CMD_SET_TARGET_OUTPUT,
 659                                     &outputs, sizeof(outputs));
 660 }
 661
 662 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
 663                                   struct intel_sdvo_dtd *dtd)
 664 {
 665         return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
 666                 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
 667 }
 668
 669 static bool intel_sdvo_set_input_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_INPUT_TIMINGS_PART1, dtd);
 674 }
 675
 676 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
 677                                          struct intel_sdvo_dtd *dtd)
 678 {
 679         return intel_sdvo_set_timing(intel_sdvo,
 680                                      SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
 681 }
 682
 683 static bool
 684 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 685                                          uint16_t clock,
 686                                          uint16_t width,
 687                                          uint16_t height)
 688 {
 689         struct intel_sdvo_preferred_input_timing_args args;
 690
 691         memset(&args, 0, sizeof(args));
 692         args.clock = clock;
 693         args.width = width;
 694         args.height = height;
 695         args.interlace = 0;
 696
 697         if (intel_sdvo->is_lvds &&
 698            (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
 699             intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
 700                 args.scaled = 1;
 701
 702         return intel_sdvo_set_value(intel_sdvo,
 703                                     SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
 704                                     &args, sizeof(args));
 705 }
 706
 707 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 708                                                   struct intel_sdvo_dtd *dtd)
 709 {
 710         BUILD_BUG_ON(sizeof(dtd->part1) != 8);
 711         BUILD_BUG_ON(sizeof(dtd->part2) != 8);
 712         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
 713                                     &dtd->part1, sizeof(dtd->part1)) &&
 714                 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
 715                                      &dtd->part2, sizeof(dtd->part2));
 716 }
 717
 718 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
 719 {
 720         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
 721 }
 722
 723 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
 724                                          const struct drm_display_mode *mode)
 725 {
 726         uint16_t width, height;
 727         uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
 728         uint16_t h_sync_offset, v_sync_offset;
 729
 730         width = mode->crtc_hdisplay;
 731         height = mode->crtc_vdisplay;
 732
 733         /* do some mode translations */
 734         h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
 735         h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
 736
 737         v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
 738         v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
 739
 740         h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
 741         v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
 742
 743         dtd->part1.clock = mode->clock / 10;
 744         dtd->part1.h_active = width & 0xff;
 745         dtd->part1.h_blank = h_blank_len & 0xff;
 746         dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
 747                 ((h_blank_len >> 8) & 0xf);
 748         dtd->part1.v_active = height & 0xff;
 749         dtd->part1.v_blank = v_blank_len & 0xff;
 750         dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
 751                 ((v_blank_len >> 8) & 0xf);
 752
 753         dtd->part2.h_sync_off = h_sync_offset & 0xff;
 754         dtd->part2.h_sync_width = h_sync_len & 0xff;
 755         dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
 756                 (v_sync_len & 0xf);
 757         dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
 758                 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
 759                 ((v_sync_len & 0x30) >> 4);
 760
 761         dtd->part2.dtd_flags = 0x18;
 762         if (mode->flags & DRM_MODE_FLAG_PHSYNC)
 763                 dtd->part2.dtd_flags |= 0x2;
 764         if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 765                 dtd->part2.dtd_flags |= 0x4;
 766
 767         dtd->part2.sdvo_flags = 0;
 768         dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
 769         dtd->part2.reserved = 0;
 770 }
 771
 772 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
 773                                          const struct intel_sdvo_dtd *dtd)
 774 {
 775         mode->hdisplay = dtd->part1.h_active;
 776         mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
 777         mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
 778         mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
 779         mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
 780         mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
 781         mode->htotal = mode->hdisplay + dtd->part1.h_blank;
 782         mode->htotal += (dtd->part1.h_high & 0xf) << 8;
 783
 784         mode->vdisplay = dtd->part1.v_active;
 785         mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
 786         mode->vsync_start = mode->vdisplay;
 787         mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
 788         mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
 789         mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
 790         mode->vsync_end = mode->vsync_start +
 791                 (dtd->part2.v_sync_off_width & 0xf);
 792         mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
 793         mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
 794         mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
 795
 796         mode->clock = dtd->part1.clock * 10;
 797
 798         mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
 799         if (dtd->part2.dtd_flags & 0x2)
 800                 mode->flags |= DRM_MODE_FLAG_PHSYNC;
 801         if (dtd->part2.dtd_flags & 0x4)
 802                 mode->flags |= DRM_MODE_FLAG_PVSYNC;
 803 }
 804
 805 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
 806 {
 807         struct intel_sdvo_encode encode;
 808
 809         BUILD_BUG_ON(sizeof(encode) != 2);
 810         return intel_sdvo_get_value(intel_sdvo,
 811                                   SDVO_CMD_GET_SUPP_ENCODE,
 812                                   &encode, sizeof(encode));
 813 }
 814
 815 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
 816                                   uint8_t mode)
 817 {
 818         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
 819 }
 820
 821 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
 822                                        uint8_t mode)
 823 {
 824         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
 825 }
 826
 827 #if 0
 828 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
 829 {
 830         int i, j;
 831         uint8_t set_buf_index[2];
 832         uint8_t av_split;
 833         uint8_t buf_size;
 834         uint8_t buf[48];
 835         uint8_t *pos;
 836
 837         intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
 838
 839         for (i = 0; i <= av_split; i++) {
 840                 set_buf_index[0] = i; set_buf_index[1] = 0;
 841                 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
 842                                      set_buf_index, 2);
 843                 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
 844                 intel_sdvo_read_response(encoder, &buf_size, 1);
 845
 846                 pos = buf;
 847                 for (j = 0; j <= buf_size; j += 8) {
 848                         intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
 849                                              NULL, 0);
 850                         intel_sdvo_read_response(encoder, pos, 8);
 851                         pos += 8;
 852                 }
 853         }
 854 }
 855 #endif
 856
 857 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
 858 {
 859         struct dip_infoframe avi_if = {
 860                 .type = DIP_TYPE_AVI,
 861                 .ver = DIP_VERSION_AVI,
 862                 .len = DIP_LEN_AVI,
 863         };
 864         uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
 865         uint8_t set_buf_index[2] = { 1, 0 };
 866         uint64_t *data = (uint64_t *)&avi_if;
 867         unsigned i;
 868
 869         intel_dip_infoframe_csum(&avi_if);
 870
 871         if (!intel_sdvo_set_value(intel_sdvo,
 872                                   SDVO_CMD_SET_HBUF_INDEX,
 873                                   set_buf_index, 2))
 874                 return false;
 875
 876         for (i = 0; i < sizeof(avi_if); i += 8) {
 877                 if (!intel_sdvo_set_value(intel_sdvo,
 878                                           SDVO_CMD_SET_HBUF_DATA,
 879                                           data, 8))
 880                         return false;
 881                 data++;
 882         }
 883
 884         return intel_sdvo_set_value(intel_sdvo,
 885                                     SDVO_CMD_SET_HBUF_TXRATE,
 886                                     &tx_rate, 1);
 887 }
 888
 889 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
 890 {
 891         struct intel_sdvo_tv_format format;
 892         uint32_t format_map;
 893
 894         format_map = 1 << intel_sdvo->tv_format_index;
 895         memset(&format, 0, sizeof(format));
 896         memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
 897
 898         BUILD_BUG_ON(sizeof(format) != 6);
 899         return intel_sdvo_set_value(intel_sdvo,
 900                                     SDVO_CMD_SET_TV_FORMAT,
 901                                     &format, sizeof(format));
 902 }
 903
 904 static bool
 905 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
 906                                         struct drm_display_mode *mode)
 907 {
 908         struct intel_sdvo_dtd output_dtd;
 909
 910         if (!intel_sdvo_set_target_output(intel_sdvo,
 911                                           intel_sdvo->attached_output))
 912                 return false;
 913
 914         intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
 915         if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
 916                 return false;
 917
 918         return true;
 919 }
 920
 921 static bool
 922 intel_sdvo_set_input_timings_for_mode(struct intel_sdvo *intel_sdvo,
 923                                         struct drm_display_mode *mode,
 924                                         struct drm_display_mode *adjusted_mode)
 925 {
 926         /* Reset the input timing to the screen. Assume always input 0. */
 927         if (!intel_sdvo_set_target_input(intel_sdvo))
 928                 return false;
 929
 930         if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
 931                                                       mode->clock / 10,
 932                                                       mode->hdisplay,
 933                                                       mode->vdisplay))
 934                 return false;
 935
 936         if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
 937                                                    &intel_sdvo->input_dtd))
 938                 return false;
 939
 940         intel_sdvo_get_mode_from_dtd(adjusted_mode, &intel_sdvo->input_dtd);
 941
 942         drm_mode_set_crtcinfo(adjusted_mode, 0);
 943         return true;
 944 }
 945
 946 static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
 947                                   struct drm_display_mode *mode,
 948                                   struct drm_display_mode *adjusted_mode)
 949 {
 950         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
 951         int multiplier;
 952
 953         /* We need to construct preferred input timings based on our
 954          * output timings.  To do that, we have to set the output
 955          * timings, even though this isn't really the right place in
 956          * the sequence to do it. Oh well.
 957          */
 958         if (intel_sdvo->is_tv) {
 959                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
 960                         return false;
 961
 962                 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
 963                                                              mode,
 964                                                              adjusted_mode);
 965         } else if (intel_sdvo->is_lvds) {
 966                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
 967                                                              intel_sdvo->sdvo_lvds_fixed_mode))
 968                         return false;
 969
 970                 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
 971                                                              mode,
 972                                                              adjusted_mode);
 973         }
 974
 975         /* Make the CRTC code factor in the SDVO pixel multiplier.  The
 976          * SDVO device will factor out the multiplier during mode_set.
 977          */
 978         multiplier = intel_sdvo_get_pixel_multiplier(adjusted_mode);
 979         intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
 980
 981         return true;
 982 }
 983
 984 static void intel_sdvo_mode_set(struct drm_encoder *encoder,
 985                                 struct drm_display_mode *mode,
 986                                 struct drm_display_mode *adjusted_mode)
 987 {
 988         struct drm_device *dev = encoder->dev;
 989         struct drm_i915_private *dev_priv = dev->dev_private;
 990         struct drm_crtc *crtc = encoder->crtc;
 991         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 992         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
 993         u32 sdvox;
 994         struct intel_sdvo_in_out_map in_out;
 995         struct intel_sdvo_dtd input_dtd;
 996         int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
 997         int rate;
 998
 999         if (!mode)
1000                 return;
1001
1002         /* First, set the input mapping for the first input to our controlled
1003          * output. This is only correct if we're a single-input device, in
1004          * which case the first input is the output from the appropriate SDVO
1005          * channel on the motherboard.  In a two-input device, the first input
1006          * will be SDVOB and the second SDVOC.
1007          */
1008         in_out.in0 = intel_sdvo->attached_output;
1009         in_out.in1 = 0;
1010
1011         intel_sdvo_set_value(intel_sdvo,
1012                              SDVO_CMD_SET_IN_OUT_MAP,
1013                              &in_out, sizeof(in_out));
1014
1015         /* Set the output timings to the screen */
1016         if (!intel_sdvo_set_target_output(intel_sdvo,
1017                                           intel_sdvo->attached_output))
1018                 return;
1019
1020         /* We have tried to get input timing in mode_fixup, and filled into
1021          * adjusted_mode.
1022          */
1023         if (intel_sdvo->is_tv || intel_sdvo->is_lvds) {
1024                 input_dtd = intel_sdvo->input_dtd;
1025         } else {
1026                 /* Set the output timing to the screen */
1027                 if (!intel_sdvo_set_target_output(intel_sdvo,
1028                                                   intel_sdvo->attached_output))
1029                         return;
1030
1031                 intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1032                 (void) intel_sdvo_set_output_timing(intel_sdvo, &input_dtd);
1033         }
1034
1035         /* Set the input timing to the screen. Assume always input 0. */
1036         if (!intel_sdvo_set_target_input(intel_sdvo))
1037                 return;
1038
1039         if (intel_sdvo->has_hdmi_monitor) {
1040                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1041                 intel_sdvo_set_colorimetry(intel_sdvo,
1042                                            SDVO_COLORIMETRY_RGB256);
1043                 intel_sdvo_set_avi_infoframe(intel_sdvo);
1044         } else
1045                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1046
1047         if (intel_sdvo->is_tv &&
1048             !intel_sdvo_set_tv_format(intel_sdvo))
1049                 return;
1050
1051         (void) intel_sdvo_set_input_timing(intel_sdvo, &input_dtd);
1052
1053         switch (pixel_multiplier) {
1054         default:
1055         case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1056         case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1057         case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1058         }
1059         if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1060                 return;
1061
1062         /* Set the SDVO control regs. */
1063         if (INTEL_INFO(dev)->gen >= 4) {
1064                 sdvox = 0;
1065                 if (intel_sdvo->is_hdmi)
1066                         sdvox |= intel_sdvo->color_range;
1067                 if (INTEL_INFO(dev)->gen < 5)
1068                         sdvox |= SDVO_BORDER_ENABLE;
1069                 if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
1070                         sdvox |= SDVO_VSYNC_ACTIVE_HIGH;
1071                 if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
1072                         sdvox |= SDVO_HSYNC_ACTIVE_HIGH;
1073         } else {
1074                 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1075                 switch (intel_sdvo->sdvo_reg) {
1076                 case SDVOB:
1077                         sdvox &= SDVOB_PRESERVE_MASK;
1078                         break;
1079                 case SDVOC:
1080                         sdvox &= SDVOC_PRESERVE_MASK;
1081                         break;
1082                 }
1083                 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1084         }
1085         if (intel_crtc->pipe == 1)
1086                 sdvox |= SDVO_PIPE_B_SELECT;
1087         if (intel_sdvo->has_hdmi_audio)
1088                 sdvox |= SDVO_AUDIO_ENABLE;
1089
1090         if (INTEL_INFO(dev)->gen >= 4) {
1091                 /* done in crtc_mode_set as the dpll_md reg must be written early */
1092         } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1093                 /* done in crtc_mode_set as it lives inside the dpll register */
1094         } else {
1095                 sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1096         }
1097
1098         if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1099             INTEL_INFO(dev)->gen < 5)
1100                 sdvox |= SDVO_STALL_SELECT;
1101         intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1102 }
1103
1104 static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1105 {
1106         struct drm_device *dev = encoder->dev;
1107         struct drm_i915_private *dev_priv = dev->dev_private;
1108         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1109         struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
1110         u32 temp;
1111
1112         if (mode != DRM_MODE_DPMS_ON) {
1113                 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1114                 if (0)
1115                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1116
1117                 if (mode == DRM_MODE_DPMS_OFF) {
1118                         temp = I915_READ(intel_sdvo->sdvo_reg);
1119                         if ((temp & SDVO_ENABLE) != 0) {
1120                                 intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
1121                         }
1122                 }
1123         } else {
1124                 bool input1, input2;
1125                 int i;
1126                 u8 status;
1127
1128                 temp = I915_READ(intel_sdvo->sdvo_reg);
1129                 if ((temp & SDVO_ENABLE) == 0)
1130                         intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
1131                 for (i = 0; i < 2; i++)
1132                         intel_wait_for_vblank(dev, intel_crtc->pipe);
1133
1134                 status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1135                 /* Warn if the device reported failure to sync.
1136                  * A lot of SDVO devices fail to notify of sync, but it's
1137                  * a given it the status is a success, we succeeded.
1138                  */
1139                 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1140                         DRM_DEBUG_KMS("First %s output reported failure to "
1141                                         "sync\n", SDVO_NAME(intel_sdvo));
1142                 }
1143
1144                 if (0)
1145                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1146                 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1147         }
1148         return;
1149 }
1150
1151 static int intel_sdvo_mode_valid(struct drm_connector *connector,
1152                                  struct drm_display_mode *mode)
1153 {
1154         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1155
1156         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1157                 return MODE_NO_DBLESCAN;
1158
1159         if (intel_sdvo->pixel_clock_min > mode->clock)
1160                 return MODE_CLOCK_LOW;
1161
1162         if (intel_sdvo->pixel_clock_max < mode->clock)
1163                 return MODE_CLOCK_HIGH;
1164
1165         if (intel_sdvo->is_lvds) {
1166                 if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1167                         return MODE_PANEL;
1168
1169                 if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1170                         return MODE_PANEL;
1171         }
1172
1173         return MODE_OK;
1174 }
1175
1176 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1177 {
1178         BUILD_BUG_ON(sizeof(*caps) != 8);
1179         if (!intel_sdvo_get_value(intel_sdvo,
1180                                   SDVO_CMD_GET_DEVICE_CAPS,
1181                                   caps, sizeof(*caps)))
1182                 return false;
1183
1184         DRM_DEBUG_KMS("SDVO capabilities:\n"
1185                       "  vendor_id: %d\n"
1186                       "  device_id: %d\n"
1187                       "  device_rev_id: %d\n"
1188                       "  sdvo_version_major: %d\n"
1189                       "  sdvo_version_minor: %d\n"
1190                       "  sdvo_inputs_mask: %d\n"
1191                       "  smooth_scaling: %d\n"
1192                       "  sharp_scaling: %d\n"
1193                       "  up_scaling: %d\n"
1194                       "  down_scaling: %d\n"
1195                       "  stall_support: %d\n"
1196                       "  output_flags: %d\n",
1197                       caps->vendor_id,
1198                       caps->device_id,
1199                       caps->device_rev_id,
1200                       caps->sdvo_version_major,
1201                       caps->sdvo_version_minor,
1202                       caps->sdvo_inputs_mask,
1203                       caps->smooth_scaling,
1204                       caps->sharp_scaling,
1205                       caps->up_scaling,
1206                       caps->down_scaling,
1207                       caps->stall_support,
1208                       caps->output_flags);
1209
1210         return true;
1211 }
1212
1213 /* No use! */
1214 #if 0
1215 struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB)
1216 {
1217         struct drm_connector *connector = NULL;
1218         struct intel_sdvo *iout = NULL;
1219         struct intel_sdvo *sdvo;
1220
1221         /* find the sdvo connector */
1222         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1223                 iout = to_intel_sdvo(connector);
1224
1225                 if (iout->type != INTEL_OUTPUT_SDVO)
1226                         continue;
1227
1228                 sdvo = iout->dev_priv;
1229
1230                 if (sdvo->sdvo_reg == SDVOB && sdvoB)
1231                         return connector;
1232
1233                 if (sdvo->sdvo_reg == SDVOC && !sdvoB)
1234                         return connector;
1235
1236         }
1237
1238         return NULL;
1239 }
1240
1241 int intel_sdvo_supports_hotplug(struct drm_connector *connector)
1242 {
1243         u8 response[2];
1244         u8 status;
1245         struct intel_sdvo *intel_sdvo;
1246         DRM_DEBUG_KMS("\n");
1247
1248         if (!connector)
1249                 return 0;
1250
1251         intel_sdvo = to_intel_sdvo(connector);
1252
1253         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1254                                     &response, 2) && response[0];
1255 }
1256
1257 void intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
1258 {
1259         u8 response[2];
1260         u8 status;
1261         struct intel_sdvo *intel_sdvo = to_intel_sdvo(connector);
1262
1263         intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1264         intel_sdvo_read_response(intel_sdvo, &response, 2);
1265
1266         if (on) {
1267                 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
1268                 status = intel_sdvo_read_response(intel_sdvo, &response, 2);
1269
1270                 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1271         } else {
1272                 response[0] = 0;
1273                 response[1] = 0;
1274                 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1275         }
1276
1277         intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1278         intel_sdvo_read_response(intel_sdvo, &response, 2);
1279 }
1280 #endif
1281
1282 static bool
1283 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1284 {
1285         /* Is there more than one type of output? */
1286         int caps = intel_sdvo->caps.output_flags & 0xf;
1287         return caps & -caps;
1288 }
1289
1290 static struct edid *
1291 intel_sdvo_get_edid(struct drm_connector *connector)
1292 {
1293         struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
1294         return drm_get_edid(connector, &sdvo->ddc);
1295 }
1296
1297 /* Mac mini hack -- use the same DDC as the analog connector */
1298 static struct edid *
1299 intel_sdvo_get_analog_edid(struct drm_connector *connector)
1300 {
1301         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1302
1303         return drm_get_edid(connector,
1304                             &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
1305 }
1306
1307 enum drm_connector_status
1308 intel_sdvo_hdmi_sink_detect(struct drm_connector *connector)
1309 {
1310         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1311         enum drm_connector_status status;
1312         struct edid *edid;
1313
1314         edid = intel_sdvo_get_edid(connector);
1315
1316         if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1317                 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1318
1319                 /*
1320                  * Don't use the 1 as the argument of DDC bus switch to get
1321                  * the EDID. It is used for SDVO SPD ROM.
1322                  */
1323                 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1324                         intel_sdvo->ddc_bus = ddc;
1325                         edid = intel_sdvo_get_edid(connector);
1326                         if (edid)
1327                                 break;
1328                 }
1329                 /*
1330                  * If we found the EDID on the other bus,
1331                  * assume that is the correct DDC bus.
1332                  */
1333                 if (edid == NULL)
1334                         intel_sdvo->ddc_bus = saved_ddc;
1335         }
1336
1337         /*
1338          * When there is no edid and no monitor is connected with VGA
1339          * port, try to use the CRT ddc to read the EDID for DVI-connector.
1340          */
1341         if (edid == NULL)
1342                 edid = intel_sdvo_get_analog_edid(connector);
1343
1344         status = connector_status_unknown;
1345         if (edid != NULL) {
1346                 /* DDC bus is shared, match EDID to connector type */
1347                 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1348                         status = connector_status_connected;
1349                         if (intel_sdvo->is_hdmi) {
1350                                 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1351                                 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1352                         }
1353                 } else
1354                         status = connector_status_disconnected;
1355                 connector->display_info.raw_edid = NULL;
1356                 kfree(edid);
1357         }
1358
1359         if (status == connector_status_connected) {
1360                 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1361                 if (intel_sdvo_connector->force_audio)
1362                         intel_sdvo->has_hdmi_audio = intel_sdvo_connector->force_audio > 0;
1363         }
1364
1365         return status;
1366 }
1367
1368 static enum drm_connector_status
1369 intel_sdvo_detect(struct drm_connector *connector, bool force)
1370 {
1371         uint16_t response;
1372         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1373         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1374         enum drm_connector_status ret;
1375
1376         if (!intel_sdvo_write_cmd(intel_sdvo,
1377                                   SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
1378                 return connector_status_unknown;
1379
1380         /* add 30ms delay when the output type might be TV */
1381         if (intel_sdvo->caps.output_flags &
1382             (SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_CVBS0))
1383                 mdelay(30);
1384
1385         if (!intel_sdvo_read_response(intel_sdvo, &response, 2))
1386                 return connector_status_unknown;
1387
1388         DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1389                       response & 0xff, response >> 8,
1390                       intel_sdvo_connector->output_flag);
1391
1392         if (response == 0)
1393                 return connector_status_disconnected;
1394
1395         intel_sdvo->attached_output = response;
1396
1397         intel_sdvo->has_hdmi_monitor = false;
1398         intel_sdvo->has_hdmi_audio = false;
1399
1400         if ((intel_sdvo_connector->output_flag & response) == 0)
1401                 ret = connector_status_disconnected;
1402         else if (IS_TMDS(intel_sdvo_connector))
1403                 ret = intel_sdvo_hdmi_sink_detect(connector);
1404         else {
1405                 struct edid *edid;
1406
1407                 /* if we have an edid check it matches the connection */
1408                 edid = intel_sdvo_get_edid(connector);
1409                 if (edid == NULL)
1410                         edid = intel_sdvo_get_analog_edid(connector);
1411                 if (edid != NULL) {
1412                         if (edid->input & DRM_EDID_INPUT_DIGITAL)
1413                                 ret = connector_status_disconnected;
1414                         else
1415                                 ret = connector_status_connected;
1416                         connector->display_info.raw_edid = NULL;
1417                         kfree(edid);
1418                 } else
1419                         ret = connector_status_connected;
1420         }
1421
1422         /* May update encoder flag for like clock for SDVO TV, etc.*/
1423         if (ret == connector_status_connected) {
1424                 intel_sdvo->is_tv = false;
1425                 intel_sdvo->is_lvds = false;
1426                 intel_sdvo->base.needs_tv_clock = false;
1427
1428                 if (response & SDVO_TV_MASK) {
1429                         intel_sdvo->is_tv = true;
1430                         intel_sdvo->base.needs_tv_clock = true;
1431                 }
1432                 if (response & SDVO_LVDS_MASK)
1433                         intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1434         }
1435
1436         return ret;
1437 }
1438
1439 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1440 {
1441         struct edid *edid;
1442
1443         /* set the bus switch and get the modes */
1444         edid = intel_sdvo_get_edid(connector);
1445
1446         /*
1447          * Mac mini hack.  On this device, the DVI-I connector shares one DDC
1448          * link between analog and digital outputs. So, if the regular SDVO
1449          * DDC fails, check to see if the analog output is disconnected, in
1450          * which case we'll look there for the digital DDC data.
1451          */
1452         if (edid == NULL)
1453                 edid = intel_sdvo_get_analog_edid(connector);
1454
1455         if (edid != NULL) {
1456                 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1457                 bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1458                 bool connector_is_digital = !!IS_TMDS(intel_sdvo_connector);
1459
1460                 if (connector_is_digital == monitor_is_digital) {
1461                         drm_mode_connector_update_edid_property(connector, edid);
1462                         drm_add_edid_modes(connector, edid);
1463                 }
1464
1465                 connector->display_info.raw_edid = NULL;
1466                 kfree(edid);
1467         }
1468 }
1469
1470 /*
1471  * Set of SDVO TV modes.
1472  * Note!  This is in reply order (see loop in get_tv_modes).
1473  * XXX: all 60Hz refresh?
1474  */
1475 static const struct drm_display_mode sdvo_tv_modes[] = {
1476         { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1477                    416, 0, 200, 201, 232, 233, 0,
1478                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1479         { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1480                    416, 0, 240, 241, 272, 273, 0,
1481                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1482         { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1483                    496, 0, 300, 301, 332, 333, 0,
1484                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1485         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1486                    736, 0, 350, 351, 382, 383, 0,
1487                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1488         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1489                    736, 0, 400, 401, 432, 433, 0,
1490                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1491         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1492                    736, 0, 480, 481, 512, 513, 0,
1493                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1494         { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1495                    800, 0, 480, 481, 512, 513, 0,
1496                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1497         { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1498                    800, 0, 576, 577, 608, 609, 0,
1499                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1500         { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1501                    816, 0, 350, 351, 382, 383, 0,
1502                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1503         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1504                    816, 0, 400, 401, 432, 433, 0,
1505                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1506         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1507                    816, 0, 480, 481, 512, 513, 0,
1508                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1509         { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1510                    816, 0, 540, 541, 572, 573, 0,
1511                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1512         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1513                    816, 0, 576, 577, 608, 609, 0,
1514                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1515         { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1516                    864, 0, 576, 577, 608, 609, 0,
1517                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1518         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1519                    896, 0, 600, 601, 632, 633, 0,
1520                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1521         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1522                    928, 0, 624, 625, 656, 657, 0,
1523                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1524         { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1525                    1016, 0, 766, 767, 798, 799, 0,
1526                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1527         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1528                    1120, 0, 768, 769, 800, 801, 0,
1529                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1530         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1531                    1376, 0, 1024, 1025, 1056, 1057, 0,
1532                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1533 };
1534
1535 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1536 {
1537         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1538         struct intel_sdvo_sdtv_resolution_request tv_res;
1539         uint32_t reply = 0, format_map = 0;
1540         int i;
1541
1542         /* Read the list of supported input resolutions for the selected TV
1543          * format.
1544          */
1545         format_map = 1 << intel_sdvo->tv_format_index;
1546         memcpy(&tv_res, &format_map,
1547                min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1548
1549         if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1550                 return;
1551
1552         BUILD_BUG_ON(sizeof(tv_res) != 3);
1553         if (!intel_sdvo_write_cmd(intel_sdvo,
1554                                   SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1555                                   &tv_res, sizeof(tv_res)))
1556                 return;
1557         if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1558                 return;
1559
1560         for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1561                 if (reply & (1 << i)) {
1562                         struct drm_display_mode *nmode;
1563                         nmode = drm_mode_duplicate(connector->dev,
1564                                                    &sdvo_tv_modes[i]);
1565                         if (nmode)
1566                                 drm_mode_probed_add(connector, nmode);
1567                 }
1568 }
1569
1570 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1571 {
1572         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1573         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1574         struct drm_display_mode *newmode;
1575
1576         /*
1577          * Attempt to get the mode list from DDC.
1578          * Assume that the preferred modes are
1579          * arranged in priority order.
1580          */
1581         intel_ddc_get_modes(connector, intel_sdvo->i2c);
1582         if (list_empty(&connector->probed_modes) == false)
1583                 goto end;
1584
1585         /* Fetch modes from VBT */
1586         if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1587                 newmode = drm_mode_duplicate(connector->dev,
1588                                              dev_priv->sdvo_lvds_vbt_mode);
1589                 if (newmode != NULL) {
1590                         /* Guarantee the mode is preferred */
1591                         newmode->type = (DRM_MODE_TYPE_PREFERRED |
1592                                          DRM_MODE_TYPE_DRIVER);
1593                         drm_mode_probed_add(connector, newmode);
1594                 }
1595         }
1596
1597 end:
1598         list_for_each_entry(newmode, &connector->probed_modes, head) {
1599                 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1600                         intel_sdvo->sdvo_lvds_fixed_mode =
1601                                 drm_mode_duplicate(connector->dev, newmode);
1602
1603                         drm_mode_set_crtcinfo(intel_sdvo->sdvo_lvds_fixed_mode,
1604                                               0);
1605
1606                         intel_sdvo->is_lvds = true;
1607                         break;
1608                 }
1609         }
1610
1611 }
1612
1613 static int intel_sdvo_get_modes(struct drm_connector *connector)
1614 {
1615         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1616
1617         if (IS_TV(intel_sdvo_connector))
1618                 intel_sdvo_get_tv_modes(connector);
1619         else if (IS_LVDS(intel_sdvo_connector))
1620                 intel_sdvo_get_lvds_modes(connector);
1621         else
1622                 intel_sdvo_get_ddc_modes(connector);
1623
1624         return !list_empty(&connector->probed_modes);
1625 }
1626
1627 static void
1628 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1629 {
1630         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1631         struct drm_device *dev = connector->dev;
1632
1633         if (intel_sdvo_connector->left)
1634                 drm_property_destroy(dev, intel_sdvo_connector->left);
1635         if (intel_sdvo_connector->right)
1636                 drm_property_destroy(dev, intel_sdvo_connector->right);
1637         if (intel_sdvo_connector->top)
1638                 drm_property_destroy(dev, intel_sdvo_connector->top);
1639         if (intel_sdvo_connector->bottom)
1640                 drm_property_destroy(dev, intel_sdvo_connector->bottom);
1641         if (intel_sdvo_connector->hpos)
1642                 drm_property_destroy(dev, intel_sdvo_connector->hpos);
1643         if (intel_sdvo_connector->vpos)
1644                 drm_property_destroy(dev, intel_sdvo_connector->vpos);
1645         if (intel_sdvo_connector->saturation)
1646                 drm_property_destroy(dev, intel_sdvo_connector->saturation);
1647         if (intel_sdvo_connector->contrast)
1648                 drm_property_destroy(dev, intel_sdvo_connector->contrast);
1649         if (intel_sdvo_connector->hue)
1650                 drm_property_destroy(dev, intel_sdvo_connector->hue);
1651         if (intel_sdvo_connector->sharpness)
1652                 drm_property_destroy(dev, intel_sdvo_connector->sharpness);
1653         if (intel_sdvo_connector->flicker_filter)
1654                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
1655         if (intel_sdvo_connector->flicker_filter_2d)
1656                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
1657         if (intel_sdvo_connector->flicker_filter_adaptive)
1658                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
1659         if (intel_sdvo_connector->tv_luma_filter)
1660                 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
1661         if (intel_sdvo_connector->tv_chroma_filter)
1662                 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
1663         if (intel_sdvo_connector->dot_crawl)
1664                 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
1665         if (intel_sdvo_connector->brightness)
1666                 drm_property_destroy(dev, intel_sdvo_connector->brightness);
1667 }
1668
1669 static void intel_sdvo_destroy(struct drm_connector *connector)
1670 {
1671         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1672
1673         if (intel_sdvo_connector->tv_format)
1674                 drm_property_destroy(connector->dev,
1675                                      intel_sdvo_connector->tv_format);
1676
1677         intel_sdvo_destroy_enhance_property(connector);
1678         drm_sysfs_connector_remove(connector);
1679         drm_connector_cleanup(connector);
1680         kfree(connector);
1681 }
1682
1683 static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
1684 {
1685         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1686         struct edid *edid;
1687         bool has_audio = false;
1688
1689         if (!intel_sdvo->is_hdmi)
1690                 return false;
1691
1692         edid = intel_sdvo_get_edid(connector);
1693         if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
1694                 has_audio = drm_detect_monitor_audio(edid);
1695
1696         return has_audio;
1697 }
1698
1699 static int
1700 intel_sdvo_set_property(struct drm_connector *connector,
1701                         struct drm_property *property,
1702                         uint64_t val)
1703 {
1704         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1705         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1706         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1707         uint16_t temp_value;
1708         uint8_t cmd;
1709         int ret;
1710
1711         ret = drm_connector_property_set_value(connector, property, val);
1712         if (ret)
1713                 return ret;
1714
1715         if (property == intel_sdvo_connector->force_audio_property) {
1716                 int i = val;
1717                 bool has_audio;
1718
1719                 if (i == intel_sdvo_connector->force_audio)
1720                         return 0;
1721
1722                 intel_sdvo_connector->force_audio = i;
1723
1724                 if (i == 0)
1725                         has_audio = intel_sdvo_detect_hdmi_audio(connector);
1726                 else
1727                         has_audio = i > 0;
1728
1729                 if (has_audio == intel_sdvo->has_hdmi_audio)
1730                         return 0;
1731
1732                 intel_sdvo->has_hdmi_audio = has_audio;
1733                 goto done;
1734         }
1735
1736         if (property == dev_priv->broadcast_rgb_property) {
1737                 if (val == !!intel_sdvo->color_range)
1738                         return 0;
1739
1740                 intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
1741                 goto done;
1742         }
1743
1744 #define CHECK_PROPERTY(name, NAME) \
1745         if (intel_sdvo_connector->name == property) { \
1746                 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
1747                 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1748                 cmd = SDVO_CMD_SET_##NAME; \
1749                 intel_sdvo_connector->cur_##name = temp_value; \
1750                 goto set_value; \
1751         }
1752
1753         if (property == intel_sdvo_connector->tv_format) {
1754                 if (val >= TV_FORMAT_NUM)
1755                         return -EINVAL;
1756
1757                 if (intel_sdvo->tv_format_index ==
1758                     intel_sdvo_connector->tv_format_supported[val])
1759                         return 0;
1760
1761                 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
1762                 goto done;
1763         } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
1764                 temp_value = val;
1765                 if (intel_sdvo_connector->left == property) {
1766                         drm_connector_property_set_value(connector,
1767                                                          intel_sdvo_connector->right, val);
1768                         if (intel_sdvo_connector->left_margin == temp_value)
1769                                 return 0;
1770
1771                         intel_sdvo_connector->left_margin = temp_value;
1772                         intel_sdvo_connector->right_margin = temp_value;
1773                         temp_value = intel_sdvo_connector->max_hscan -
1774                                 intel_sdvo_connector->left_margin;
1775                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1776                         goto set_value;
1777                 } else if (intel_sdvo_connector->right == property) {
1778                         drm_connector_property_set_value(connector,
1779                                                          intel_sdvo_connector->left, val);
1780                         if (intel_sdvo_connector->right_margin == temp_value)
1781                                 return 0;
1782
1783                         intel_sdvo_connector->left_margin = temp_value;
1784                         intel_sdvo_connector->right_margin = temp_value;
1785                         temp_value = intel_sdvo_connector->max_hscan -
1786                                 intel_sdvo_connector->left_margin;
1787                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1788                         goto set_value;
1789                 } else if (intel_sdvo_connector->top == property) {
1790                         drm_connector_property_set_value(connector,
1791                                                          intel_sdvo_connector->bottom, val);
1792                         if (intel_sdvo_connector->top_margin == temp_value)
1793                                 return 0;
1794
1795                         intel_sdvo_connector->top_margin = temp_value;
1796                         intel_sdvo_connector->bottom_margin = temp_value;
1797                         temp_value = intel_sdvo_connector->max_vscan -
1798                                 intel_sdvo_connector->top_margin;
1799                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1800                         goto set_value;
1801                 } else if (intel_sdvo_connector->bottom == property) {
1802                         drm_connector_property_set_value(connector,
1803                                                          intel_sdvo_connector->top, val);
1804                         if (intel_sdvo_connector->bottom_margin == temp_value)
1805                                 return 0;
1806
1807                         intel_sdvo_connector->top_margin = temp_value;
1808                         intel_sdvo_connector->bottom_margin = temp_value;
1809                         temp_value = intel_sdvo_connector->max_vscan -
1810                                 intel_sdvo_connector->top_margin;
1811                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1812                         goto set_value;
1813                 }
1814                 CHECK_PROPERTY(hpos, HPOS)
1815                 CHECK_PROPERTY(vpos, VPOS)
1816                 CHECK_PROPERTY(saturation, SATURATION)
1817                 CHECK_PROPERTY(contrast, CONTRAST)
1818                 CHECK_PROPERTY(hue, HUE)
1819                 CHECK_PROPERTY(brightness, BRIGHTNESS)
1820                 CHECK_PROPERTY(sharpness, SHARPNESS)
1821                 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1822                 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1823                 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1824                 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1825                 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1826                 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1827         }
1828
1829         return -EINVAL; /* unknown property */
1830
1831 set_value:
1832         if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
1833                 return -EIO;
1834
1835
1836 done:
1837         if (intel_sdvo->base.base.crtc) {
1838                 struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
1839                 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1840                                          crtc->y, crtc->fb);
1841         }
1842
1843         return 0;
1844 #undef CHECK_PROPERTY
1845 }
1846
1847 static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
1848         .dpms = intel_sdvo_dpms,
1849         .mode_fixup = intel_sdvo_mode_fixup,
1850         .prepare = intel_encoder_prepare,
1851         .mode_set = intel_sdvo_mode_set,
1852         .commit = intel_encoder_commit,
1853 };
1854
1855 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
1856         .dpms = drm_helper_connector_dpms,
1857         .detect = intel_sdvo_detect,
1858         .fill_modes = drm_helper_probe_single_connector_modes,
1859         .set_property = intel_sdvo_set_property,
1860         .destroy = intel_sdvo_destroy,
1861 };
1862
1863 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
1864         .get_modes = intel_sdvo_get_modes,
1865         .mode_valid = intel_sdvo_mode_valid,
1866         .best_encoder = intel_best_encoder,
1867 };
1868
1869 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
1870 {
1871         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1872
1873         if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
1874                 drm_mode_destroy(encoder->dev,
1875                                  intel_sdvo->sdvo_lvds_fixed_mode);
1876
1877         i2c_del_adapter(&intel_sdvo->ddc);
1878         intel_encoder_destroy(encoder);
1879 }
1880
1881 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
1882         .destroy = intel_sdvo_enc_destroy,
1883 };
1884
1885 static void
1886 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
1887 {
1888         uint16_t mask = 0;
1889         unsigned int num_bits;
1890
1891         /* Make a mask of outputs less than or equal to our own priority in the
1892          * list.
1893          */
1894         switch (sdvo->controlled_output) {
1895         case SDVO_OUTPUT_LVDS1:
1896                 mask |= SDVO_OUTPUT_LVDS1;
1897         case SDVO_OUTPUT_LVDS0:
1898                 mask |= SDVO_OUTPUT_LVDS0;
1899         case SDVO_OUTPUT_TMDS1:
1900                 mask |= SDVO_OUTPUT_TMDS1;
1901         case SDVO_OUTPUT_TMDS0:
1902                 mask |= SDVO_OUTPUT_TMDS0;
1903         case SDVO_OUTPUT_RGB1:
1904                 mask |= SDVO_OUTPUT_RGB1;
1905         case SDVO_OUTPUT_RGB0:
1906                 mask |= SDVO_OUTPUT_RGB0;
1907                 break;
1908         }
1909
1910         /* Count bits to find what number we are in the priority list. */
1911         mask &= sdvo->caps.output_flags;
1912         num_bits = hweight16(mask);
1913         /* If more than 3 outputs, default to DDC bus 3 for now. */
1914         if (num_bits > 3)
1915                 num_bits = 3;
1916
1917         /* Corresponds to SDVO_CONTROL_BUS_DDCx */
1918         sdvo->ddc_bus = 1 << num_bits;
1919 }
1920
1921 /**
1922  * Choose the appropriate DDC bus for control bus switch command for this
1923  * SDVO output based on the controlled output.
1924  *
1925  * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
1926  * outputs, then LVDS outputs.
1927  */
1928 static void
1929 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
1930                           struct intel_sdvo *sdvo, u32 reg)
1931 {
1932         struct sdvo_device_mapping *mapping;
1933
1934         if (IS_SDVOB(reg))
1935                 mapping = &(dev_priv->sdvo_mappings[0]);
1936         else
1937                 mapping = &(dev_priv->sdvo_mappings[1]);
1938
1939         if (mapping->initialized)
1940                 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
1941         else
1942                 intel_sdvo_guess_ddc_bus(sdvo);
1943 }
1944
1945 static void
1946 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
1947                           struct intel_sdvo *sdvo, u32 reg)
1948 {
1949         struct sdvo_device_mapping *mapping;
1950         u8 pin, speed;
1951
1952         if (IS_SDVOB(reg))
1953                 mapping = &dev_priv->sdvo_mappings[0];
1954         else
1955                 mapping = &dev_priv->sdvo_mappings[1];
1956
1957         pin = GMBUS_PORT_DPB;
1958         speed = GMBUS_RATE_1MHZ >> 8;
1959         if (mapping->initialized) {
1960                 pin = mapping->i2c_pin;
1961                 speed = mapping->i2c_speed;
1962         }
1963
1964         if (pin < GMBUS_NUM_PORTS) {
1965                 sdvo->i2c = &dev_priv->gmbus[pin].adapter;
1966                 intel_gmbus_set_speed(sdvo->i2c, speed);
1967                 intel_gmbus_force_bit(sdvo->i2c, true);
1968         } else
1969                 sdvo->i2c = &dev_priv->gmbus[GMBUS_PORT_DPB].adapter;
1970 }
1971
1972 static bool
1973 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
1974 {
1975         return intel_sdvo_check_supp_encode(intel_sdvo);
1976 }
1977
1978 static u8
1979 intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
1980 {
1981         struct drm_i915_private *dev_priv = dev->dev_private;
1982         struct sdvo_device_mapping *my_mapping, *other_mapping;
1983
1984         if (IS_SDVOB(sdvo_reg)) {
1985                 my_mapping = &dev_priv->sdvo_mappings[0];
1986                 other_mapping = &dev_priv->sdvo_mappings[1];
1987         } else {
1988                 my_mapping = &dev_priv->sdvo_mappings[1];
1989                 other_mapping = &dev_priv->sdvo_mappings[0];
1990         }
1991
1992         /* If the BIOS described our SDVO device, take advantage of it. */
1993         if (my_mapping->slave_addr)
1994                 return my_mapping->slave_addr;
1995
1996         /* If the BIOS only described a different SDVO device, use the
1997          * address that it isn't using.
1998          */
1999         if (other_mapping->slave_addr) {
2000                 if (other_mapping->slave_addr == 0x70)
2001                         return 0x72;
2002                 else
2003                         return 0x70;
2004         }
2005
2006         /* No SDVO device info is found for another DVO port,
2007          * so use mapping assumption we had before BIOS parsing.
2008          */
2009         if (IS_SDVOB(sdvo_reg))
2010                 return 0x70;
2011         else
2012                 return 0x72;
2013 }
2014
2015 static void
2016 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2017                           struct intel_sdvo *encoder)
2018 {
2019         drm_connector_init(encoder->base.base.dev,
2020                            &connector->base.base,
2021                            &intel_sdvo_connector_funcs,
2022                            connector->base.base.connector_type);
2023
2024         drm_connector_helper_add(&connector->base.base,
2025                                  &intel_sdvo_connector_helper_funcs);
2026
2027         connector->base.base.interlace_allowed = 0;
2028         connector->base.base.doublescan_allowed = 0;
2029         connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2030
2031         intel_connector_attach_encoder(&connector->base, &encoder->base);
2032         drm_sysfs_connector_add(&connector->base.base);
2033 }
2034
2035 static void
2036 intel_sdvo_add_hdmi_properties(struct intel_sdvo_connector *connector)
2037 {
2038         struct drm_device *dev = connector->base.base.dev;
2039
2040         connector->force_audio_property =
2041                 drm_property_create(dev, DRM_MODE_PROP_RANGE, "force_audio", 2);
2042         if (connector->force_audio_property) {
2043                 connector->force_audio_property->values[0] = -1;
2044                 connector->force_audio_property->values[1] = 1;
2045                 drm_connector_attach_property(&connector->base.base,
2046                                               connector->force_audio_property, 0);
2047         }
2048
2049         if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev))
2050                 intel_attach_broadcast_rgb_property(&connector->base.base);
2051 }
2052
2053 static bool
2054 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2055 {
2056         struct drm_encoder *encoder = &intel_sdvo->base.base;
2057         struct drm_connector *connector;
2058         struct intel_connector *intel_connector;
2059         struct intel_sdvo_connector *intel_sdvo_connector;
2060
2061         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2062         if (!intel_sdvo_connector)
2063                 return false;
2064
2065         if (device == 0) {
2066                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2067                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2068         } else if (device == 1) {
2069                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2070                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2071         }
2072
2073         intel_connector = &intel_sdvo_connector->base;
2074         connector = &intel_connector->base;
2075         connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2076         encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2077         connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2078
2079         if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2080                 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2081                 intel_sdvo->is_hdmi = true;
2082         }
2083         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2084                                        (1 << INTEL_ANALOG_CLONE_BIT));
2085
2086         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2087         if (intel_sdvo->is_hdmi)
2088                 intel_sdvo_add_hdmi_properties(intel_sdvo_connector);
2089
2090         return true;
2091 }
2092
2093 static bool
2094 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2095 {
2096         struct drm_encoder *encoder = &intel_sdvo->base.base;
2097         struct drm_connector *connector;
2098         struct intel_connector *intel_connector;
2099         struct intel_sdvo_connector *intel_sdvo_connector;
2100
2101         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2102         if (!intel_sdvo_connector)
2103                 return false;
2104
2105         intel_connector = &intel_sdvo_connector->base;
2106         connector = &intel_connector->base;
2107         encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2108         connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2109
2110         intel_sdvo->controlled_output |= type;
2111         intel_sdvo_connector->output_flag = type;
2112
2113         intel_sdvo->is_tv = true;
2114         intel_sdvo->base.needs_tv_clock = true;
2115         intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2116
2117         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2118
2119         if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2120                 goto err;
2121
2122         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2123                 goto err;
2124
2125         return true;
2126
2127 err:
2128         intel_sdvo_destroy(connector);
2129         return false;
2130 }
2131
2132 static bool
2133 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2134 {
2135         struct drm_encoder *encoder = &intel_sdvo->base.base;
2136         struct drm_connector *connector;
2137         struct intel_connector *intel_connector;
2138         struct intel_sdvo_connector *intel_sdvo_connector;
2139
2140         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2141         if (!intel_sdvo_connector)
2142                 return false;
2143
2144         intel_connector = &intel_sdvo_connector->base;
2145         connector = &intel_connector->base;
2146         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2147         encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2148         connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2149
2150         if (device == 0) {
2151                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2152                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2153         } else if (device == 1) {
2154                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2155                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2156         }
2157
2158         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2159                                        (1 << INTEL_ANALOG_CLONE_BIT));
2160
2161         intel_sdvo_connector_init(intel_sdvo_connector,
2162                                   intel_sdvo);
2163         return true;
2164 }
2165
2166 static bool
2167 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2168 {
2169         struct drm_encoder *encoder = &intel_sdvo->base.base;
2170         struct drm_connector *connector;
2171         struct intel_connector *intel_connector;
2172         struct intel_sdvo_connector *intel_sdvo_connector;
2173
2174         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2175         if (!intel_sdvo_connector)
2176                 return false;
2177
2178         intel_connector = &intel_sdvo_connector->base;
2179         connector = &intel_connector->base;
2180         encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2181         connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2182
2183         if (device == 0) {
2184                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2185                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2186         } else if (device == 1) {
2187                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2188                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2189         }
2190
2191         intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
2192                                        (1 << INTEL_SDVO_LVDS_CLONE_BIT));
2193
2194         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2195         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2196                 goto err;
2197
2198         return true;
2199
2200 err:
2201         intel_sdvo_destroy(connector);
2202         return false;
2203 }
2204
2205 static bool
2206 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2207 {
2208         intel_sdvo->is_tv = false;
2209         intel_sdvo->base.needs_tv_clock = false;
2210         intel_sdvo->is_lvds = false;
2211
2212         /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2213
2214         if (flags & SDVO_OUTPUT_TMDS0)
2215                 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2216                         return false;
2217
2218         if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2219                 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2220                         return false;
2221
2222         /* TV has no XXX1 function block */
2223         if (flags & SDVO_OUTPUT_SVID0)
2224                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2225                         return false;
2226
2227         if (flags & SDVO_OUTPUT_CVBS0)
2228                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2229                         return false;
2230
2231         if (flags & SDVO_OUTPUT_RGB0)
2232                 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2233                         return false;
2234
2235         if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2236                 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2237                         return false;
2238
2239         if (flags & SDVO_OUTPUT_LVDS0)
2240                 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2241                         return false;
2242
2243         if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2244                 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2245                         return false;
2246
2247         if ((flags & SDVO_OUTPUT_MASK) == 0) {
2248                 unsigned char bytes[2];
2249
2250                 intel_sdvo->controlled_output = 0;
2251                 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2252                 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2253                               SDVO_NAME(intel_sdvo),
2254                               bytes[0], bytes[1]);
2255                 return false;
2256         }
2257         intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1);
2258
2259         return true;
2260 }
2261
2262 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2263                                           struct intel_sdvo_connector *intel_sdvo_connector,
2264                                           int type)
2265 {
2266         struct drm_device *dev = intel_sdvo->base.base.dev;
2267         struct intel_sdvo_tv_format format;
2268         uint32_t format_map, i;
2269
2270         if (!intel_sdvo_set_target_output(intel_sdvo, type))
2271                 return false;
2272
2273         BUILD_BUG_ON(sizeof(format) != 6);
2274         if (!intel_sdvo_get_value(intel_sdvo,
2275                                   SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2276                                   &format, sizeof(format)))
2277                 return false;
2278
2279         memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2280
2281         if (format_map == 0)
2282                 return false;
2283
2284         intel_sdvo_connector->format_supported_num = 0;
2285         for (i = 0 ; i < TV_FORMAT_NUM; i++)
2286                 if (format_map & (1 << i))
2287                         intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2288
2289
2290         intel_sdvo_connector->tv_format =
2291                         drm_property_create(dev, DRM_MODE_PROP_ENUM,
2292                                             "mode", intel_sdvo_connector->format_supported_num);
2293         if (!intel_sdvo_connector->tv_format)
2294                 return false;
2295
2296         for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2297                 drm_property_add_enum(
2298                                 intel_sdvo_connector->tv_format, i,
2299                                 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2300
2301         intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2302         drm_connector_attach_property(&intel_sdvo_connector->base.base,
2303                                       intel_sdvo_connector->tv_format, 0);
2304         return true;
2305
2306 }
2307
2308 #define ENHANCEMENT(name, NAME) do { \
2309         if (enhancements.name) { \
2310                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2311                     !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2312                         return false; \
2313                 intel_sdvo_connector->max_##name = data_value[0]; \
2314                 intel_sdvo_connector->cur_##name = response; \
2315                 intel_sdvo_connector->name = \
2316                         drm_property_create(dev, DRM_MODE_PROP_RANGE, #name, 2); \
2317                 if (!intel_sdvo_connector->name) return false; \
2318                 intel_sdvo_connector->name->values[0] = 0; \
2319                 intel_sdvo_connector->name->values[1] = data_value[0]; \
2320                 drm_connector_attach_property(connector, \
2321                                               intel_sdvo_connector->name, \
2322                                               intel_sdvo_connector->cur_##name); \
2323                 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2324                               data_value[0], data_value[1], response); \
2325         } \
2326 } while(0)
2327
2328 static bool
2329 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2330                                       struct intel_sdvo_connector *intel_sdvo_connector,
2331                                       struct intel_sdvo_enhancements_reply enhancements)
2332 {
2333         struct drm_device *dev = intel_sdvo->base.base.dev;
2334         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2335         uint16_t response, data_value[2];
2336
2337         /* when horizontal overscan is supported, Add the left/right  property */
2338         if (enhancements.overscan_h) {
2339                 if (!intel_sdvo_get_value(intel_sdvo,
2340                                           SDVO_CMD_GET_MAX_OVERSCAN_H,
2341                                           &data_value, 4))
2342                         return false;
2343
2344                 if (!intel_sdvo_get_value(intel_sdvo,
2345                                           SDVO_CMD_GET_OVERSCAN_H,
2346                                           &response, 2))
2347                         return false;
2348
2349                 intel_sdvo_connector->max_hscan = data_value[0];
2350                 intel_sdvo_connector->left_margin = data_value[0] - response;
2351                 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2352                 intel_sdvo_connector->left =
2353                         drm_property_create(dev, DRM_MODE_PROP_RANGE,
2354                                             "left_margin", 2);
2355                 if (!intel_sdvo_connector->left)
2356                         return false;
2357
2358                 intel_sdvo_connector->left->values[0] = 0;
2359                 intel_sdvo_connector->left->values[1] = data_value[0];
2360                 drm_connector_attach_property(connector,
2361                                               intel_sdvo_connector->left,
2362                                               intel_sdvo_connector->left_margin);
2363
2364                 intel_sdvo_connector->right =
2365                         drm_property_create(dev, DRM_MODE_PROP_RANGE,
2366                                             "right_margin", 2);
2367                 if (!intel_sdvo_connector->right)
2368                         return false;
2369
2370                 intel_sdvo_connector->right->values[0] = 0;
2371                 intel_sdvo_connector->right->values[1] = data_value[0];
2372                 drm_connector_attach_property(connector,
2373                                               intel_sdvo_connector->right,
2374                                               intel_sdvo_connector->right_margin);
2375                 DRM_DEBUG_KMS("h_overscan: max %d, "
2376                               "default %d, current %d\n",
2377                               data_value[0], data_value[1], response);
2378         }
2379
2380         if (enhancements.overscan_v) {
2381                 if (!intel_sdvo_get_value(intel_sdvo,
2382                                           SDVO_CMD_GET_MAX_OVERSCAN_V,
2383                                           &data_value, 4))
2384                         return false;
2385
2386                 if (!intel_sdvo_get_value(intel_sdvo,
2387                                           SDVO_CMD_GET_OVERSCAN_V,
2388                                           &response, 2))
2389                         return false;
2390
2391                 intel_sdvo_connector->max_vscan = data_value[0];
2392                 intel_sdvo_connector->top_margin = data_value[0] - response;
2393                 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2394                 intel_sdvo_connector->top =
2395                         drm_property_create(dev, DRM_MODE_PROP_RANGE,
2396                                             "top_margin", 2);
2397                 if (!intel_sdvo_connector->top)
2398                         return false;
2399
2400                 intel_sdvo_connector->top->values[0] = 0;
2401                 intel_sdvo_connector->top->values[1] = data_value[0];
2402                 drm_connector_attach_property(connector,
2403                                               intel_sdvo_connector->top,
2404                                               intel_sdvo_connector->top_margin);
2405
2406                 intel_sdvo_connector->bottom =
2407                         drm_property_create(dev, DRM_MODE_PROP_RANGE,
2408                                             "bottom_margin", 2);
2409                 if (!intel_sdvo_connector->bottom)
2410                         return false;
2411
2412                 intel_sdvo_connector->bottom->values[0] = 0;
2413                 intel_sdvo_connector->bottom->values[1] = data_value[0];
2414                 drm_connector_attach_property(connector,
2415                                               intel_sdvo_connector->bottom,
2416                                               intel_sdvo_connector->bottom_margin);
2417                 DRM_DEBUG_KMS("v_overscan: max %d, "
2418                               "default %d, current %d\n",
2419                               data_value[0], data_value[1], response);
2420         }
2421
2422         ENHANCEMENT(hpos, HPOS);
2423         ENHANCEMENT(vpos, VPOS);
2424         ENHANCEMENT(saturation, SATURATION);
2425         ENHANCEMENT(contrast, CONTRAST);
2426         ENHANCEMENT(hue, HUE);
2427         ENHANCEMENT(sharpness, SHARPNESS);
2428         ENHANCEMENT(brightness, BRIGHTNESS);
2429         ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2430         ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2431         ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2432         ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2433         ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2434
2435         if (enhancements.dot_crawl) {
2436                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2437                         return false;
2438
2439                 intel_sdvo_connector->max_dot_crawl = 1;
2440                 intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2441                 intel_sdvo_connector->dot_crawl =
2442                         drm_property_create(dev, DRM_MODE_PROP_RANGE, "dot_crawl", 2);
2443                 if (!intel_sdvo_connector->dot_crawl)
2444                         return false;
2445
2446                 intel_sdvo_connector->dot_crawl->values[0] = 0;
2447                 intel_sdvo_connector->dot_crawl->values[1] = 1;
2448                 drm_connector_attach_property(connector,
2449                                               intel_sdvo_connector->dot_crawl,
2450                                               intel_sdvo_connector->cur_dot_crawl);
2451                 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2452         }
2453
2454         return true;
2455 }
2456
2457 static bool
2458 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2459                                         struct intel_sdvo_connector *intel_sdvo_connector,
2460                                         struct intel_sdvo_enhancements_reply enhancements)
2461 {
2462         struct drm_device *dev = intel_sdvo->base.base.dev;
2463         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2464         uint16_t response, data_value[2];
2465
2466         ENHANCEMENT(brightness, BRIGHTNESS);
2467
2468         return true;
2469 }
2470 #undef ENHANCEMENT
2471
2472 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2473                                                struct intel_sdvo_connector *intel_sdvo_connector)
2474 {
2475         union {
2476                 struct intel_sdvo_enhancements_reply reply;
2477                 uint16_t response;
2478         } enhancements;
2479
2480         BUILD_BUG_ON(sizeof(enhancements) != 2);
2481
2482         enhancements.response = 0;
2483         intel_sdvo_get_value(intel_sdvo,
2484                              SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2485                              &enhancements, sizeof(enhancements));
2486         if (enhancements.response == 0) {
2487                 DRM_DEBUG_KMS("No enhancement is supported\n");
2488                 return true;
2489         }
2490
2491         if (IS_TV(intel_sdvo_connector))
2492                 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2493         else if(IS_LVDS(intel_sdvo_connector))
2494                 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2495         else
2496                 return true;
2497 }
2498
2499 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2500                                      struct i2c_msg *msgs,
2501                                      int num)
2502 {
2503         struct intel_sdvo *sdvo = adapter->algo_data;
2504
2505         if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2506                 return -EIO;
2507
2508         return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2509 }
2510
2511 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2512 {
2513         struct intel_sdvo *sdvo = adapter->algo_data;
2514         return sdvo->i2c->algo->functionality(sdvo->i2c);
2515 }
2516
2517 static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
2518         .master_xfer    = intel_sdvo_ddc_proxy_xfer,
2519         .functionality  = intel_sdvo_ddc_proxy_func
2520 };
2521
2522 static bool
2523 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
2524                           struct drm_device *dev)
2525 {
2526         sdvo->ddc.owner = THIS_MODULE;
2527         sdvo->ddc.class = I2C_CLASS_DDC;
2528         snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2529         sdvo->ddc.dev.parent = &dev->pdev->dev;
2530         sdvo->ddc.algo_data = sdvo;
2531         sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
2532
2533         return i2c_add_adapter(&sdvo->ddc) == 0;
2534 }
2535
2536 bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
2537 {
2538         struct drm_i915_private *dev_priv = dev->dev_private;
2539         struct intel_encoder *intel_encoder;
2540         struct intel_sdvo *intel_sdvo;
2541         int i;
2542
2543         intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);
2544         if (!intel_sdvo)
2545                 return false;
2546
2547         intel_sdvo->sdvo_reg = sdvo_reg;
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         if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev)) {
2551                 kfree(intel_sdvo);
2552                 return false;
2553         }
2554
2555         /* encoder type will be decided later */
2556         intel_encoder = &intel_sdvo->base;
2557         intel_encoder->type = INTEL_OUTPUT_SDVO;
2558         drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
2559
2560         /* Read the regs to test if we can talk to the device */
2561         for (i = 0; i < 0x40; i++) {
2562                 u8 byte;
2563
2564                 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
2565                         DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
2566                                       IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2567                         goto err;
2568                 }
2569         }
2570
2571         if (IS_SDVOB(sdvo_reg))
2572                 dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
2573         else
2574                 dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
2575
2576         drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
2577
2578         /* In default case sdvo lvds is false */
2579         if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
2580                 goto err;
2581
2582         if (intel_sdvo_output_setup(intel_sdvo,
2583                                     intel_sdvo->caps.output_flags) != true) {
2584                 DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
2585                               IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2586                 goto err;
2587         }
2588
2589         intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
2590
2591         /* Set the input timing to the screen. Assume always input 0. */
2592         if (!intel_sdvo_set_target_input(intel_sdvo))
2593                 goto err;
2594
2595         if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
2596                                                     &intel_sdvo->pixel_clock_min,
2597                                                     &intel_sdvo->pixel_clock_max))
2598                 goto err;
2599
2600         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2601                         "clock range %dMHz - %dMHz, "
2602                         "input 1: %c, input 2: %c, "
2603                         "output 1: %c, output 2: %c\n",
2604                         SDVO_NAME(intel_sdvo),
2605                         intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
2606                         intel_sdvo->caps.device_rev_id,
2607                         intel_sdvo->pixel_clock_min / 1000,
2608                         intel_sdvo->pixel_clock_max / 1000,
2609                         (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2610                         (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2611                         /* check currently supported outputs */
2612                         intel_sdvo->caps.output_flags &
2613                         (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2614                         intel_sdvo->caps.output_flags &
2615                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2616         return true;
2617
2618 err:
2619         drm_encoder_cleanup(&intel_encoder->base);
2620         i2c_del_adapter(&intel_sdvo->ddc);
2621         kfree(intel_sdvo);
2622
2623         return false;
2624 }