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         /* add the property for the SDVO-TV */
 152         struct drm_property *left;
 153         struct drm_property *right;
 154         struct drm_property *top;
 155         struct drm_property *bottom;
 156         struct drm_property *hpos;
 157         struct drm_property *vpos;
 158         struct drm_property *contrast;
 159         struct drm_property *saturation;
 160         struct drm_property *hue;
 161         struct drm_property *sharpness;
 162         struct drm_property *flicker_filter;
 163         struct drm_property *flicker_filter_adaptive;
 164         struct drm_property *flicker_filter_2d;
 165         struct drm_property *tv_chroma_filter;
 166         struct drm_property *tv_luma_filter;
 167         struct drm_property *dot_crawl;
 168
 169         /* add the property for the SDVO-TV/LVDS */
 170         struct drm_property *brightness;
 171
 172         /* Add variable to record current setting for the above property */
 173         u32     left_margin, right_margin, top_margin, bottom_margin;
 174
 175         /* this is to get the range of margin.*/
 176         u32     max_hscan,  max_vscan;
 177         u32     max_hpos, cur_hpos;
 178         u32     max_vpos, cur_vpos;
 179         u32     cur_brightness, max_brightness;
 180         u32     cur_contrast,   max_contrast;
 181         u32     cur_saturation, max_saturation;
 182         u32     cur_hue,        max_hue;
 183         u32     cur_sharpness,  max_sharpness;
 184         u32     cur_flicker_filter,             max_flicker_filter;
 185         u32     cur_flicker_filter_adaptive,    max_flicker_filter_adaptive;
 186         u32     cur_flicker_filter_2d,          max_flicker_filter_2d;
 187         u32     cur_tv_chroma_filter,   max_tv_chroma_filter;
 188         u32     cur_tv_luma_filter,     max_tv_luma_filter;
 189         u32     cur_dot_crawl,  max_dot_crawl;
 190 };
 191
 192 static struct intel_sdvo *to_intel_sdvo(struct drm_encoder *encoder)
 193 {
 194         return container_of(encoder, struct intel_sdvo, base.base);
 195 }
 196
 197 static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
 198 {
 199         return container_of(intel_attached_encoder(connector),
 200                             struct intel_sdvo, base);
 201 }
 202
 203 static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector)
 204 {
 205         return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);
 206 }
 207
 208 static bool
 209 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
 210 static bool
 211 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
 212                               struct intel_sdvo_connector *intel_sdvo_connector,
 213                               int type);
 214 static bool
 215 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
 216                                    struct intel_sdvo_connector *intel_sdvo_connector);
 217
 218 /**
 219  * Writes the SDVOB or SDVOC with the given value, but always writes both
 220  * SDVOB and SDVOC to work around apparent hardware issues (according to
 221  * comments in the BIOS).
 222  */
 223 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
 224 {
 225         struct drm_device *dev = intel_sdvo->base.base.dev;
 226         struct drm_i915_private *dev_priv = dev->dev_private;
 227         u32 bval = val, cval = val;
 228         int i;
 229
 230         if (intel_sdvo->sdvo_reg == PCH_SDVOB) {
 231                 I915_WRITE(intel_sdvo->sdvo_reg, val);
 232                 I915_READ(intel_sdvo->sdvo_reg);
 233                 return;
 234         }
 235
 236         if (intel_sdvo->sdvo_reg == SDVOB) {
 237                 cval = I915_READ(SDVOC);
 238         } else {
 239                 bval = I915_READ(SDVOB);
 240         }
 241         /*
 242          * Write the registers twice for luck. Sometimes,
 243          * writing them only once doesn't appear to 'stick'.
 244          * The BIOS does this too. Yay, magic
 245          */
 246         for (i = 0; i < 2; i++)
 247         {
 248                 I915_WRITE(SDVOB, bval);
 249                 I915_READ(SDVOB);
 250                 I915_WRITE(SDVOC, cval);
 251                 I915_READ(SDVOC);
 252         }
 253 }
 254
 255 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
 256 {
 257         struct i2c_msg msgs[] = {
 258                 {
 259                         .addr = intel_sdvo->slave_addr,
 260                         .flags = 0,
 261                         .len = 1,
 262                         .buf = &addr,
 263                 },
 264                 {
 265                         .addr = intel_sdvo->slave_addr,
 266                         .flags = I2C_M_RD,
 267                         .len = 1,
 268                         .buf = ch,
 269                 }
 270         };
 271         int ret;
 272
 273         if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
 274                 return true;
 275
 276         DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
 277         return false;
 278 }
 279
 280 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
 281 /** Mapping of command numbers to names, for debug output */
 282 static const struct _sdvo_cmd_name {
 283         u8 cmd;
 284         const char *name;
 285 } sdvo_cmd_names[] = {
 286     SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
 287     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
 288     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
 289     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
 290     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
 291     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
 292     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
 293     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
 294     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
 295     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
 296     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
 297     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
 298     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
 299     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
 300     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
 301     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
 302     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
 303     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 304     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
 305     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 306     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
 307     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
 308     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
 309     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
 310     SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
 311     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
 312     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
 313     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
 314     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
 315     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
 316     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
 317     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
 318     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
 319     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
 320     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
 321     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
 322     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
 323     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
 324     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
 325     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
 326     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
 327     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
 328     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
 329
 330     /* Add the op code for SDVO enhancements */
 331     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
 332     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
 333     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
 334     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
 335     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
 336     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
 337     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
 338     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
 339     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
 340     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
 341     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
 342     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
 343     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
 344     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
 345     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
 346     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
 347     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
 348     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
 349     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
 350     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
 351     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
 352     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
 353     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
 354     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
 355     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
 356     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
 357     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
 358     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
 359     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
 360     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
 361     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
 362     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
 363     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
 364     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
 365     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
 366     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
 367     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
 368     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
 369     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
 370     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
 371     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
 372     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
 373     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
 374     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
 375
 376     /* HDMI op code */
 377     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
 378     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
 379     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
 380     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
 381     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
 382     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
 383     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
 384     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
 385     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
 386     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
 387     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
 388     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
 389     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
 390     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
 391     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
 392     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
 393     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
 394     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
 395     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
 396     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
 397 };
 398
 399 #define IS_SDVOB(reg)   (reg == SDVOB || reg == PCH_SDVOB)
 400 #define SDVO_NAME(svdo) (IS_SDVOB((svdo)->sdvo_reg) ? "SDVOB" : "SDVOC")
 401
 402 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
 403                                    const void *args, int args_len)
 404 {
 405         int i;
 406
 407         DRM_DEBUG_KMS("%s: W: %02X ",
 408                                 SDVO_NAME(intel_sdvo), cmd);
 409         for (i = 0; i < args_len; i++)
 410                 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
 411         for (; i < 8; i++)
 412                 DRM_LOG_KMS("   ");
 413         for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
 414                 if (cmd == sdvo_cmd_names[i].cmd) {
 415                         DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
 416                         break;
 417                 }
 418         }
 419         if (i == ARRAY_SIZE(sdvo_cmd_names))
 420                 DRM_LOG_KMS("(%02X)", cmd);
 421         DRM_LOG_KMS("\n");
 422 }
 423
 424 static const char *cmd_status_names[] = {
 425         "Power on",
 426         "Success",
 427         "Not supported",
 428         "Invalid arg",
 429         "Pending",
 430         "Target not specified",
 431         "Scaling not supported"
 432 };
 433
 434 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
 435                                  const void *args, int args_len)
 436 {
 437         u8 buf[args_len*2 + 2], status;
 438         struct i2c_msg msgs[args_len + 3];
 439         int i, ret;
 440
 441         intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
 442
 443         for (i = 0; i < args_len; i++) {
 444                 msgs[i].addr = intel_sdvo->slave_addr;
 445                 msgs[i].flags = 0;
 446                 msgs[i].len = 2;
 447                 msgs[i].buf = buf + 2 *i;
 448                 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
 449                 buf[2*i + 1] = ((u8*)args)[i];
 450         }
 451         msgs[i].addr = intel_sdvo->slave_addr;
 452         msgs[i].flags = 0;
 453         msgs[i].len = 2;
 454         msgs[i].buf = buf + 2*i;
 455         buf[2*i + 0] = SDVO_I2C_OPCODE;
 456         buf[2*i + 1] = cmd;
 457
 458         /* the following two are to read the response */
 459         status = SDVO_I2C_CMD_STATUS;
 460         msgs[i+1].addr = intel_sdvo->slave_addr;
 461         msgs[i+1].flags = 0;
 462         msgs[i+1].len = 1;
 463         msgs[i+1].buf = &status;
 464
 465         msgs[i+2].addr = intel_sdvo->slave_addr;
 466         msgs[i+2].flags = I2C_M_RD;
 467         msgs[i+2].len = 1;
 468         msgs[i+2].buf = &status;
 469
 470         ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
 471         if (ret < 0) {
 472                 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
 473                 return false;
 474         }
 475         if (ret != i+3) {
 476                 /* failure in I2C transfer */
 477                 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
 478                 return false;
 479         }
 480
 481         return true;
 482 }
 483
 484 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
 485                                      void *response, int response_len)
 486 {
 487         u8 retry = 5;
 488         u8 status;
 489         int i;
 490
 491         DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));
 492
 493         /*
 494          * The documentation states that all commands will be
 495          * processed within 15µs, and that we need only poll
 496          * the status byte a maximum of 3 times in order for the
 497          * command to be complete.
 498          *
 499          * Check 5 times in case the hardware failed to read the docs.
 500          */
 501         if (!intel_sdvo_read_byte(intel_sdvo,
 502                                   SDVO_I2C_CMD_STATUS,
 503                                   &status))
 504                 goto log_fail;
 505
 506         while (status == SDVO_CMD_STATUS_PENDING && retry--) {
 507                 udelay(15);
 508                 if (!intel_sdvo_read_byte(intel_sdvo,
 509                                           SDVO_I2C_CMD_STATUS,
 510                                           &status))
 511                         goto log_fail;
 512         }
 513
 514         if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
 515                 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
 516         else
 517                 DRM_LOG_KMS("(??? %d)", status);
 518
 519         if (status != SDVO_CMD_STATUS_SUCCESS)
 520                 goto log_fail;
 521
 522         /* Read the command response */
 523         for (i = 0; i < response_len; i++) {
 524                 if (!intel_sdvo_read_byte(intel_sdvo,
 525                                           SDVO_I2C_RETURN_0 + i,
 526                                           &((u8 *)response)[i]))
 527                         goto log_fail;
 528                 DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
 529         }
 530         DRM_LOG_KMS("\n");
 531         return true;
 532
 533 log_fail:
 534         DRM_LOG_KMS("... failed\n");
 535         return false;
 536 }
 537
 538 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
 539 {
 540         if (mode->clock >= 100000)
 541                 return 1;
 542         else if (mode->clock >= 50000)
 543                 return 2;
 544         else
 545                 return 4;
 546 }
 547
 548 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
 549                                               u8 ddc_bus)
 550 {
 551         /* This must be the immediately preceding write before the i2c xfer */
 552         return intel_sdvo_write_cmd(intel_sdvo,
 553                                     SDVO_CMD_SET_CONTROL_BUS_SWITCH,
 554                                     &ddc_bus, 1);
 555 }
 556
 557 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
 558 {
 559         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
 560                 return false;
 561
 562         return intel_sdvo_read_response(intel_sdvo, NULL, 0);
 563 }
 564
 565 static bool
 566 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
 567 {
 568         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
 569                 return false;
 570
 571         return intel_sdvo_read_response(intel_sdvo, value, len);
 572 }
 573
 574 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
 575 {
 576         struct intel_sdvo_set_target_input_args targets = {0};
 577         return intel_sdvo_set_value(intel_sdvo,
 578                                     SDVO_CMD_SET_TARGET_INPUT,
 579                                     &targets, sizeof(targets));
 580 }
 581
 582 /**
 583  * Return whether each input is trained.
 584  *
 585  * This function is making an assumption about the layout of the response,
 586  * which should be checked against the docs.
 587  */
 588 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
 589 {
 590         struct intel_sdvo_get_trained_inputs_response response;
 591
 592         BUILD_BUG_ON(sizeof(response) != 1);
 593         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
 594                                   &response, sizeof(response)))
 595                 return false;
 596
 597         *input_1 = response.input0_trained;
 598         *input_2 = response.input1_trained;
 599         return true;
 600 }
 601
 602 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
 603                                           u16 outputs)
 604 {
 605         return intel_sdvo_set_value(intel_sdvo,
 606                                     SDVO_CMD_SET_ACTIVE_OUTPUTS,
 607                                     &outputs, sizeof(outputs));
 608 }
 609
 610 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
 611                                                int mode)
 612 {
 613         u8 state = SDVO_ENCODER_STATE_ON;
 614
 615         switch (mode) {
 616         case DRM_MODE_DPMS_ON:
 617                 state = SDVO_ENCODER_STATE_ON;
 618                 break;
 619         case DRM_MODE_DPMS_STANDBY:
 620                 state = SDVO_ENCODER_STATE_STANDBY;
 621                 break;
 622         case DRM_MODE_DPMS_SUSPEND:
 623                 state = SDVO_ENCODER_STATE_SUSPEND;
 624                 break;
 625         case DRM_MODE_DPMS_OFF:
 626                 state = SDVO_ENCODER_STATE_OFF;
 627                 break;
 628         }
 629
 630         return intel_sdvo_set_value(intel_sdvo,
 631                                     SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
 632 }
 633
 634 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
 635                                                    int *clock_min,
 636                                                    int *clock_max)
 637 {
 638         struct intel_sdvo_pixel_clock_range clocks;
 639
 640         BUILD_BUG_ON(sizeof(clocks) != 4);
 641         if (!intel_sdvo_get_value(intel_sdvo,
 642                                   SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
 643                                   &clocks, sizeof(clocks)))
 644                 return false;
 645
 646         /* Convert the values from units of 10 kHz to kHz. */
 647         *clock_min = clocks.min * 10;
 648         *clock_max = clocks.max * 10;
 649         return true;
 650 }
 651
 652 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
 653                                          u16 outputs)
 654 {
 655         return intel_sdvo_set_value(intel_sdvo,
 656                                     SDVO_CMD_SET_TARGET_OUTPUT,
 657                                     &outputs, sizeof(outputs));
 658 }
 659
 660 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
 661                                   struct intel_sdvo_dtd *dtd)
 662 {
 663         return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
 664                 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
 665 }
 666
 667 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
 668                                          struct intel_sdvo_dtd *dtd)
 669 {
 670         return intel_sdvo_set_timing(intel_sdvo,
 671                                      SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
 672 }
 673
 674 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
 675                                          struct intel_sdvo_dtd *dtd)
 676 {
 677         return intel_sdvo_set_timing(intel_sdvo,
 678                                      SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
 679 }
 680
 681 static bool
 682 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 683                                          uint16_t clock,
 684                                          uint16_t width,
 685                                          uint16_t height)
 686 {
 687         struct intel_sdvo_preferred_input_timing_args args;
 688
 689         memset(&args, 0, sizeof(args));
 690         args.clock = clock;
 691         args.width = width;
 692         args.height = height;
 693         args.interlace = 0;
 694
 695         if (intel_sdvo->is_lvds &&
 696            (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
 697             intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
 698                 args.scaled = 1;
 699
 700         return intel_sdvo_set_value(intel_sdvo,
 701                                     SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
 702                                     &args, sizeof(args));
 703 }
 704
 705 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 706                                                   struct intel_sdvo_dtd *dtd)
 707 {
 708         BUILD_BUG_ON(sizeof(dtd->part1) != 8);
 709         BUILD_BUG_ON(sizeof(dtd->part2) != 8);
 710         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
 711                                     &dtd->part1, sizeof(dtd->part1)) &&
 712                 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
 713                                      &dtd->part2, sizeof(dtd->part2));
 714 }
 715
 716 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
 717 {
 718         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
 719 }
 720
 721 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
 722                                          const struct drm_display_mode *mode)
 723 {
 724         uint16_t width, height;
 725         uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
 726         uint16_t h_sync_offset, v_sync_offset;
 727
 728         width = mode->crtc_hdisplay;
 729         height = mode->crtc_vdisplay;
 730
 731         /* do some mode translations */
 732         h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
 733         h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
 734
 735         v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
 736         v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
 737
 738         h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
 739         v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
 740
 741         dtd->part1.clock = mode->clock / 10;
 742         dtd->part1.h_active = width & 0xff;
 743         dtd->part1.h_blank = h_blank_len & 0xff;
 744         dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
 745                 ((h_blank_len >> 8) & 0xf);
 746         dtd->part1.v_active = height & 0xff;
 747         dtd->part1.v_blank = v_blank_len & 0xff;
 748         dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
 749                 ((v_blank_len >> 8) & 0xf);
 750
 751         dtd->part2.h_sync_off = h_sync_offset & 0xff;
 752         dtd->part2.h_sync_width = h_sync_len & 0xff;
 753         dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
 754                 (v_sync_len & 0xf);
 755         dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
 756                 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
 757                 ((v_sync_len & 0x30) >> 4);
 758
 759         dtd->part2.dtd_flags = 0x18;
 760         if (mode->flags & DRM_MODE_FLAG_PHSYNC)
 761                 dtd->part2.dtd_flags |= 0x2;
 762         if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 763                 dtd->part2.dtd_flags |= 0x4;
 764
 765         dtd->part2.sdvo_flags = 0;
 766         dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
 767         dtd->part2.reserved = 0;
 768 }
 769
 770 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
 771                                          const struct intel_sdvo_dtd *dtd)
 772 {
 773         mode->hdisplay = dtd->part1.h_active;
 774         mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
 775         mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
 776         mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
 777         mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
 778         mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
 779         mode->htotal = mode->hdisplay + dtd->part1.h_blank;
 780         mode->htotal += (dtd->part1.h_high & 0xf) << 8;
 781
 782         mode->vdisplay = dtd->part1.v_active;
 783         mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
 784         mode->vsync_start = mode->vdisplay;
 785         mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
 786         mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
 787         mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
 788         mode->vsync_end = mode->vsync_start +
 789                 (dtd->part2.v_sync_off_width & 0xf);
 790         mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
 791         mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
 792         mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
 793
 794         mode->clock = dtd->part1.clock * 10;
 795
 796         mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
 797         if (dtd->part2.dtd_flags & 0x2)
 798                 mode->flags |= DRM_MODE_FLAG_PHSYNC;
 799         if (dtd->part2.dtd_flags & 0x4)
 800                 mode->flags |= DRM_MODE_FLAG_PVSYNC;
 801 }
 802
 803 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
 804 {
 805         struct intel_sdvo_encode encode;
 806
 807         BUILD_BUG_ON(sizeof(encode) != 2);
 808         return intel_sdvo_get_value(intel_sdvo,
 809                                   SDVO_CMD_GET_SUPP_ENCODE,
 810                                   &encode, sizeof(encode));
 811 }
 812
 813 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
 814                                   uint8_t mode)
 815 {
 816         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
 817 }
 818
 819 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
 820                                        uint8_t mode)
 821 {
 822         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
 823 }
 824
 825 #if 0
 826 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
 827 {
 828         int i, j;
 829         uint8_t set_buf_index[2];
 830         uint8_t av_split;
 831         uint8_t buf_size;
 832         uint8_t buf[48];
 833         uint8_t *pos;
 834
 835         intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
 836
 837         for (i = 0; i <= av_split; i++) {
 838                 set_buf_index[0] = i; set_buf_index[1] = 0;
 839                 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
 840                                      set_buf_index, 2);
 841                 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
 842                 intel_sdvo_read_response(encoder, &buf_size, 1);
 843
 844                 pos = buf;
 845                 for (j = 0; j <= buf_size; j += 8) {
 846                         intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
 847                                              NULL, 0);
 848                         intel_sdvo_read_response(encoder, pos, 8);
 849                         pos += 8;
 850                 }
 851         }
 852 }
 853 #endif
 854
 855 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
 856 {
 857         struct dip_infoframe avi_if = {
 858                 .type = DIP_TYPE_AVI,
 859                 .ver = DIP_VERSION_AVI,
 860                 .len = DIP_LEN_AVI,
 861         };
 862         uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
 863         uint8_t set_buf_index[2] = { 1, 0 };
 864         uint64_t *data = (uint64_t *)&avi_if;
 865         unsigned i;
 866
 867         intel_dip_infoframe_csum(&avi_if);
 868
 869         if (!intel_sdvo_set_value(intel_sdvo,
 870                                   SDVO_CMD_SET_HBUF_INDEX,
 871                                   set_buf_index, 2))
 872                 return false;
 873
 874         for (i = 0; i < sizeof(avi_if); i += 8) {
 875                 if (!intel_sdvo_set_value(intel_sdvo,
 876                                           SDVO_CMD_SET_HBUF_DATA,
 877                                           data, 8))
 878                         return false;
 879                 data++;
 880         }
 881
 882         return intel_sdvo_set_value(intel_sdvo,
 883                                     SDVO_CMD_SET_HBUF_TXRATE,
 884                                     &tx_rate, 1);
 885 }
 886
 887 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
 888 {
 889         struct intel_sdvo_tv_format format;
 890         uint32_t format_map;
 891
 892         format_map = 1 << intel_sdvo->tv_format_index;
 893         memset(&format, 0, sizeof(format));
 894         memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
 895
 896         BUILD_BUG_ON(sizeof(format) != 6);
 897         return intel_sdvo_set_value(intel_sdvo,
 898                                     SDVO_CMD_SET_TV_FORMAT,
 899                                     &format, sizeof(format));
 900 }
 901
 902 static bool
 903 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
 904                                         struct drm_display_mode *mode)
 905 {
 906         struct intel_sdvo_dtd output_dtd;
 907
 908         if (!intel_sdvo_set_target_output(intel_sdvo,
 909                                           intel_sdvo->attached_output))
 910                 return false;
 911
 912         intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
 913         if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
 914                 return false;
 915
 916         return true;
 917 }
 918
 919 static bool
 920 intel_sdvo_set_input_timings_for_mode(struct intel_sdvo *intel_sdvo,
 921                                         struct drm_display_mode *mode,
 922                                         struct drm_display_mode *adjusted_mode)
 923 {
 924         /* Reset the input timing to the screen. Assume always input 0. */
 925         if (!intel_sdvo_set_target_input(intel_sdvo))
 926                 return false;
 927
 928         if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
 929                                                       mode->clock / 10,
 930                                                       mode->hdisplay,
 931                                                       mode->vdisplay))
 932                 return false;
 933
 934         if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
 935                                                    &intel_sdvo->input_dtd))
 936                 return false;
 937
 938         intel_sdvo_get_mode_from_dtd(adjusted_mode, &intel_sdvo->input_dtd);
 939
 940         drm_mode_set_crtcinfo(adjusted_mode, 0);
 941         return true;
 942 }
 943
 944 static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
 945                                   struct drm_display_mode *mode,
 946                                   struct drm_display_mode *adjusted_mode)
 947 {
 948         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
 949         int multiplier;
 950
 951         /* We need to construct preferred input timings based on our
 952          * output timings.  To do that, we have to set the output
 953          * timings, even though this isn't really the right place in
 954          * the sequence to do it. Oh well.
 955          */
 956         if (intel_sdvo->is_tv) {
 957                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
 958                         return false;
 959
 960                 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
 961                                                              mode,
 962                                                              adjusted_mode);
 963         } else if (intel_sdvo->is_lvds) {
 964                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
 965                                                              intel_sdvo->sdvo_lvds_fixed_mode))
 966                         return false;
 967
 968                 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
 969                                                              mode,
 970                                                              adjusted_mode);
 971         }
 972
 973         /* Make the CRTC code factor in the SDVO pixel multiplier.  The
 974          * SDVO device will factor out the multiplier during mode_set.
 975          */
 976         multiplier = intel_sdvo_get_pixel_multiplier(adjusted_mode);
 977         intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
 978
 979         return true;
 980 }
 981
 982 static void intel_sdvo_mode_set(struct drm_encoder *encoder,
 983                                 struct drm_display_mode *mode,
 984                                 struct drm_display_mode *adjusted_mode)
 985 {
 986         struct drm_device *dev = encoder->dev;
 987         struct drm_i915_private *dev_priv = dev->dev_private;
 988         struct drm_crtc *crtc = encoder->crtc;
 989         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 990         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
 991         u32 sdvox;
 992         struct intel_sdvo_in_out_map in_out;
 993         struct intel_sdvo_dtd input_dtd;
 994         int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
 995         int rate;
 996
 997         if (!mode)
 998                 return;
 999
1000         /* First, set the input mapping for the first input to our controlled
1001          * output. This is only correct if we're a single-input device, in
1002          * which case the first input is the output from the appropriate SDVO
1003          * channel on the motherboard.  In a two-input device, the first input
1004          * will be SDVOB and the second SDVOC.
1005          */
1006         in_out.in0 = intel_sdvo->attached_output;
1007         in_out.in1 = 0;
1008
1009         intel_sdvo_set_value(intel_sdvo,
1010                              SDVO_CMD_SET_IN_OUT_MAP,
1011                              &in_out, sizeof(in_out));
1012
1013         /* Set the output timings to the screen */
1014         if (!intel_sdvo_set_target_output(intel_sdvo,
1015                                           intel_sdvo->attached_output))
1016                 return;
1017
1018         /* We have tried to get input timing in mode_fixup, and filled into
1019          * adjusted_mode.
1020          */
1021         if (intel_sdvo->is_tv || intel_sdvo->is_lvds) {
1022                 input_dtd = intel_sdvo->input_dtd;
1023         } else {
1024                 /* Set the output timing to the screen */
1025                 if (!intel_sdvo_set_target_output(intel_sdvo,
1026                                                   intel_sdvo->attached_output))
1027                         return;
1028
1029                 intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1030                 (void) intel_sdvo_set_output_timing(intel_sdvo, &input_dtd);
1031         }
1032
1033         /* Set the input timing to the screen. Assume always input 0. */
1034         if (!intel_sdvo_set_target_input(intel_sdvo))
1035                 return;
1036
1037         if (intel_sdvo->has_hdmi_monitor) {
1038                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1039                 intel_sdvo_set_colorimetry(intel_sdvo,
1040                                            SDVO_COLORIMETRY_RGB256);
1041                 intel_sdvo_set_avi_infoframe(intel_sdvo);
1042         } else
1043                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1044
1045         if (intel_sdvo->is_tv &&
1046             !intel_sdvo_set_tv_format(intel_sdvo))
1047                 return;
1048
1049         (void) intel_sdvo_set_input_timing(intel_sdvo, &input_dtd);
1050
1051         switch (pixel_multiplier) {
1052         default:
1053         case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1054         case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1055         case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1056         }
1057         if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1058                 return;
1059
1060         /* Set the SDVO control regs. */
1061         if (INTEL_INFO(dev)->gen >= 4) {
1062                 sdvox = 0;
1063                 if (intel_sdvo->is_hdmi)
1064                         sdvox |= intel_sdvo->color_range;
1065                 if (INTEL_INFO(dev)->gen < 5)
1066                         sdvox |= SDVO_BORDER_ENABLE;
1067                 if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
1068                         sdvox |= SDVO_VSYNC_ACTIVE_HIGH;
1069                 if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
1070                         sdvox |= SDVO_HSYNC_ACTIVE_HIGH;
1071         } else {
1072                 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1073                 switch (intel_sdvo->sdvo_reg) {
1074                 case SDVOB:
1075                         sdvox &= SDVOB_PRESERVE_MASK;
1076                         break;
1077                 case SDVOC:
1078                         sdvox &= SDVOC_PRESERVE_MASK;
1079                         break;
1080                 }
1081                 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1082         }
1083         if (intel_crtc->pipe == 1)
1084                 sdvox |= SDVO_PIPE_B_SELECT;
1085         if (intel_sdvo->has_hdmi_audio)
1086                 sdvox |= SDVO_AUDIO_ENABLE;
1087
1088         if (INTEL_INFO(dev)->gen >= 4) {
1089                 /* done in crtc_mode_set as the dpll_md reg must be written early */
1090         } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1091                 /* done in crtc_mode_set as it lives inside the dpll register */
1092         } else {
1093                 sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1094         }
1095
1096         if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1097             INTEL_INFO(dev)->gen < 5)
1098                 sdvox |= SDVO_STALL_SELECT;
1099         intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1100 }
1101
1102 static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1103 {
1104         struct drm_device *dev = encoder->dev;
1105         struct drm_i915_private *dev_priv = dev->dev_private;
1106         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1107         struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
1108         u32 temp;
1109
1110         if (mode != DRM_MODE_DPMS_ON) {
1111                 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1112                 if (0)
1113                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1114
1115                 if (mode == DRM_MODE_DPMS_OFF) {
1116                         temp = I915_READ(intel_sdvo->sdvo_reg);
1117                         if ((temp & SDVO_ENABLE) != 0) {
1118                                 intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
1119                         }
1120                 }
1121         } else {
1122                 bool input1, input2;
1123                 int i;
1124                 u8 status;
1125
1126                 temp = I915_READ(intel_sdvo->sdvo_reg);
1127                 if ((temp & SDVO_ENABLE) == 0)
1128                         intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
1129                 for (i = 0; i < 2; i++)
1130                         intel_wait_for_vblank(dev, intel_crtc->pipe);
1131
1132                 status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1133                 /* Warn if the device reported failure to sync.
1134                  * A lot of SDVO devices fail to notify of sync, but it's
1135                  * a given it the status is a success, we succeeded.
1136                  */
1137                 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1138                         DRM_DEBUG_KMS("First %s output reported failure to "
1139                                         "sync\n", SDVO_NAME(intel_sdvo));
1140                 }
1141
1142                 if (0)
1143                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1144                 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1145         }
1146         return;
1147 }
1148
1149 static int intel_sdvo_mode_valid(struct drm_connector *connector,
1150                                  struct drm_display_mode *mode)
1151 {
1152         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1153
1154         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1155                 return MODE_NO_DBLESCAN;
1156
1157         if (intel_sdvo->pixel_clock_min > mode->clock)
1158                 return MODE_CLOCK_LOW;
1159
1160         if (intel_sdvo->pixel_clock_max < mode->clock)
1161                 return MODE_CLOCK_HIGH;
1162
1163         if (intel_sdvo->is_lvds) {
1164                 if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1165                         return MODE_PANEL;
1166
1167                 if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1168                         return MODE_PANEL;
1169         }
1170
1171         return MODE_OK;
1172 }
1173
1174 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1175 {
1176         BUILD_BUG_ON(sizeof(*caps) != 8);
1177         if (!intel_sdvo_get_value(intel_sdvo,
1178                                   SDVO_CMD_GET_DEVICE_CAPS,
1179                                   caps, sizeof(*caps)))
1180                 return false;
1181
1182         DRM_DEBUG_KMS("SDVO capabilities:\n"
1183                       "  vendor_id: %d\n"
1184                       "  device_id: %d\n"
1185                       "  device_rev_id: %d\n"
1186                       "  sdvo_version_major: %d\n"
1187                       "  sdvo_version_minor: %d\n"
1188                       "  sdvo_inputs_mask: %d\n"
1189                       "  smooth_scaling: %d\n"
1190                       "  sharp_scaling: %d\n"
1191                       "  up_scaling: %d\n"
1192                       "  down_scaling: %d\n"
1193                       "  stall_support: %d\n"
1194                       "  output_flags: %d\n",
1195                       caps->vendor_id,
1196                       caps->device_id,
1197                       caps->device_rev_id,
1198                       caps->sdvo_version_major,
1199                       caps->sdvo_version_minor,
1200                       caps->sdvo_inputs_mask,
1201                       caps->smooth_scaling,
1202                       caps->sharp_scaling,
1203                       caps->up_scaling,
1204                       caps->down_scaling,
1205                       caps->stall_support,
1206                       caps->output_flags);
1207
1208         return true;
1209 }
1210
1211 /* No use! */
1212 #if 0
1213 struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB)
1214 {
1215         struct drm_connector *connector = NULL;
1216         struct intel_sdvo *iout = NULL;
1217         struct intel_sdvo *sdvo;
1218
1219         /* find the sdvo connector */
1220         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1221                 iout = to_intel_sdvo(connector);
1222
1223                 if (iout->type != INTEL_OUTPUT_SDVO)
1224                         continue;
1225
1226                 sdvo = iout->dev_priv;
1227
1228                 if (sdvo->sdvo_reg == SDVOB && sdvoB)
1229                         return connector;
1230
1231                 if (sdvo->sdvo_reg == SDVOC && !sdvoB)
1232                         return connector;
1233
1234         }
1235
1236         return NULL;
1237 }
1238
1239 int intel_sdvo_supports_hotplug(struct drm_connector *connector)
1240 {
1241         u8 response[2];
1242         u8 status;
1243         struct intel_sdvo *intel_sdvo;
1244         DRM_DEBUG_KMS("\n");
1245
1246         if (!connector)
1247                 return 0;
1248
1249         intel_sdvo = to_intel_sdvo(connector);
1250
1251         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1252                                     &response, 2) && response[0];
1253 }
1254
1255 void intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
1256 {
1257         u8 response[2];
1258         u8 status;
1259         struct intel_sdvo *intel_sdvo = to_intel_sdvo(connector);
1260
1261         intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1262         intel_sdvo_read_response(intel_sdvo, &response, 2);
1263
1264         if (on) {
1265                 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
1266                 status = intel_sdvo_read_response(intel_sdvo, &response, 2);
1267
1268                 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1269         } else {
1270                 response[0] = 0;
1271                 response[1] = 0;
1272                 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1273         }
1274
1275         intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1276         intel_sdvo_read_response(intel_sdvo, &response, 2);
1277 }
1278 #endif
1279
1280 static bool
1281 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1282 {
1283         /* Is there more than one type of output? */
1284         int caps = intel_sdvo->caps.output_flags & 0xf;
1285         return caps & -caps;
1286 }
1287
1288 static struct edid *
1289 intel_sdvo_get_edid(struct drm_connector *connector)
1290 {
1291         struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
1292         return drm_get_edid(connector, &sdvo->ddc);
1293 }
1294
1295 /* Mac mini hack -- use the same DDC as the analog connector */
1296 static struct edid *
1297 intel_sdvo_get_analog_edid(struct drm_connector *connector)
1298 {
1299         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1300
1301         return drm_get_edid(connector,
1302                             &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
1303 }
1304
1305 enum drm_connector_status
1306 intel_sdvo_hdmi_sink_detect(struct drm_connector *connector)
1307 {
1308         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1309         enum drm_connector_status status;
1310         struct edid *edid;
1311
1312         edid = intel_sdvo_get_edid(connector);
1313
1314         if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1315                 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1316
1317                 /*
1318                  * Don't use the 1 as the argument of DDC bus switch to get
1319                  * the EDID. It is used for SDVO SPD ROM.
1320                  */
1321                 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1322                         intel_sdvo->ddc_bus = ddc;
1323                         edid = intel_sdvo_get_edid(connector);
1324                         if (edid)
1325                                 break;
1326                 }
1327                 /*
1328                  * If we found the EDID on the other bus,
1329                  * assume that is the correct DDC bus.
1330                  */
1331                 if (edid == NULL)
1332                         intel_sdvo->ddc_bus = saved_ddc;
1333         }
1334
1335         /*
1336          * When there is no edid and no monitor is connected with VGA
1337          * port, try to use the CRT ddc to read the EDID for DVI-connector.
1338          */
1339         if (edid == NULL)
1340                 edid = intel_sdvo_get_analog_edid(connector);
1341
1342         status = connector_status_unknown;
1343         if (edid != NULL) {
1344                 /* DDC bus is shared, match EDID to connector type */
1345                 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1346                         status = connector_status_connected;
1347                         if (intel_sdvo->is_hdmi) {
1348                                 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1349                                 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1350                         }
1351                 } else
1352                         status = connector_status_disconnected;
1353                 connector->display_info.raw_edid = NULL;
1354                 kfree(edid);
1355         }
1356
1357         if (status == connector_status_connected) {
1358                 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1359                 if (intel_sdvo_connector->force_audio)
1360                         intel_sdvo->has_hdmi_audio = intel_sdvo_connector->force_audio > 0;
1361         }
1362
1363         return status;
1364 }
1365
1366 static enum drm_connector_status
1367 intel_sdvo_detect(struct drm_connector *connector, bool force)
1368 {
1369         uint16_t response;
1370         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1371         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1372         enum drm_connector_status ret;
1373
1374         if (!intel_sdvo_write_cmd(intel_sdvo,
1375                                   SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
1376                 return connector_status_unknown;
1377
1378         /* add 30ms delay when the output type might be TV */
1379         if (intel_sdvo->caps.output_flags &
1380             (SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_CVBS0))
1381                 mdelay(30);
1382
1383         if (!intel_sdvo_read_response(intel_sdvo, &response, 2))
1384                 return connector_status_unknown;
1385
1386         DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1387                       response & 0xff, response >> 8,
1388                       intel_sdvo_connector->output_flag);
1389
1390         if (response == 0)
1391                 return connector_status_disconnected;
1392
1393         intel_sdvo->attached_output = response;
1394
1395         intel_sdvo->has_hdmi_monitor = false;
1396         intel_sdvo->has_hdmi_audio = false;
1397
1398         if ((intel_sdvo_connector->output_flag & response) == 0)
1399                 ret = connector_status_disconnected;
1400         else if (IS_TMDS(intel_sdvo_connector))
1401                 ret = intel_sdvo_hdmi_sink_detect(connector);
1402         else {
1403                 struct edid *edid;
1404
1405                 /* if we have an edid check it matches the connection */
1406                 edid = intel_sdvo_get_edid(connector);
1407                 if (edid == NULL)
1408                         edid = intel_sdvo_get_analog_edid(connector);
1409                 if (edid != NULL) {
1410                         if (edid->input & DRM_EDID_INPUT_DIGITAL)
1411                                 ret = connector_status_disconnected;
1412                         else
1413                                 ret = connector_status_connected;
1414                         connector->display_info.raw_edid = NULL;
1415                         kfree(edid);
1416                 } else
1417                         ret = connector_status_connected;
1418         }
1419
1420         /* May update encoder flag for like clock for SDVO TV, etc.*/
1421         if (ret == connector_status_connected) {
1422                 intel_sdvo->is_tv = false;
1423                 intel_sdvo->is_lvds = false;
1424                 intel_sdvo->base.needs_tv_clock = false;
1425
1426                 if (response & SDVO_TV_MASK) {
1427                         intel_sdvo->is_tv = true;
1428                         intel_sdvo->base.needs_tv_clock = true;
1429                 }
1430                 if (response & SDVO_LVDS_MASK)
1431                         intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1432         }
1433
1434         return ret;
1435 }
1436
1437 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1438 {
1439         struct edid *edid;
1440
1441         /* set the bus switch and get the modes */
1442         edid = intel_sdvo_get_edid(connector);
1443
1444         /*
1445          * Mac mini hack.  On this device, the DVI-I connector shares one DDC
1446          * link between analog and digital outputs. So, if the regular SDVO
1447          * DDC fails, check to see if the analog output is disconnected, in
1448          * which case we'll look there for the digital DDC data.
1449          */
1450         if (edid == NULL)
1451                 edid = intel_sdvo_get_analog_edid(connector);
1452
1453         if (edid != NULL) {
1454                 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1455                 bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1456                 bool connector_is_digital = !!IS_TMDS(intel_sdvo_connector);
1457
1458                 if (connector_is_digital == monitor_is_digital) {
1459                         drm_mode_connector_update_edid_property(connector, edid);
1460                         drm_add_edid_modes(connector, edid);
1461                 }
1462
1463                 connector->display_info.raw_edid = NULL;
1464                 kfree(edid);
1465         }
1466 }
1467
1468 /*
1469  * Set of SDVO TV modes.
1470  * Note!  This is in reply order (see loop in get_tv_modes).
1471  * XXX: all 60Hz refresh?
1472  */
1473 static const struct drm_display_mode sdvo_tv_modes[] = {
1474         { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1475                    416, 0, 200, 201, 232, 233, 0,
1476                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1477         { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1478                    416, 0, 240, 241, 272, 273, 0,
1479                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1480         { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1481                    496, 0, 300, 301, 332, 333, 0,
1482                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1483         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1484                    736, 0, 350, 351, 382, 383, 0,
1485                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1486         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1487                    736, 0, 400, 401, 432, 433, 0,
1488                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1489         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1490                    736, 0, 480, 481, 512, 513, 0,
1491                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1492         { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1493                    800, 0, 480, 481, 512, 513, 0,
1494                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1495         { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1496                    800, 0, 576, 577, 608, 609, 0,
1497                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1498         { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1499                    816, 0, 350, 351, 382, 383, 0,
1500                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1501         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1502                    816, 0, 400, 401, 432, 433, 0,
1503                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1504         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1505                    816, 0, 480, 481, 512, 513, 0,
1506                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1507         { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1508                    816, 0, 540, 541, 572, 573, 0,
1509                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1510         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1511                    816, 0, 576, 577, 608, 609, 0,
1512                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1513         { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1514                    864, 0, 576, 577, 608, 609, 0,
1515                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1516         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1517                    896, 0, 600, 601, 632, 633, 0,
1518                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1519         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1520                    928, 0, 624, 625, 656, 657, 0,
1521                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1522         { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1523                    1016, 0, 766, 767, 798, 799, 0,
1524                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1525         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1526                    1120, 0, 768, 769, 800, 801, 0,
1527                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1528         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1529                    1376, 0, 1024, 1025, 1056, 1057, 0,
1530                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1531 };
1532
1533 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1534 {
1535         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1536         struct intel_sdvo_sdtv_resolution_request tv_res;
1537         uint32_t reply = 0, format_map = 0;
1538         int i;
1539
1540         /* Read the list of supported input resolutions for the selected TV
1541          * format.
1542          */
1543         format_map = 1 << intel_sdvo->tv_format_index;
1544         memcpy(&tv_res, &format_map,
1545                min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1546
1547         if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1548                 return;
1549
1550         BUILD_BUG_ON(sizeof(tv_res) != 3);
1551         if (!intel_sdvo_write_cmd(intel_sdvo,
1552                                   SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1553                                   &tv_res, sizeof(tv_res)))
1554                 return;
1555         if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1556                 return;
1557
1558         for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1559                 if (reply & (1 << i)) {
1560                         struct drm_display_mode *nmode;
1561                         nmode = drm_mode_duplicate(connector->dev,
1562                                                    &sdvo_tv_modes[i]);
1563                         if (nmode)
1564                                 drm_mode_probed_add(connector, nmode);
1565                 }
1566 }
1567
1568 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1569 {
1570         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1571         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1572         struct drm_display_mode *newmode;
1573
1574         /*
1575          * Attempt to get the mode list from DDC.
1576          * Assume that the preferred modes are
1577          * arranged in priority order.
1578          */
1579         intel_ddc_get_modes(connector, intel_sdvo->i2c);
1580         if (list_empty(&connector->probed_modes) == false)
1581                 goto end;
1582
1583         /* Fetch modes from VBT */
1584         if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1585                 newmode = drm_mode_duplicate(connector->dev,
1586                                              dev_priv->sdvo_lvds_vbt_mode);
1587                 if (newmode != NULL) {
1588                         /* Guarantee the mode is preferred */
1589                         newmode->type = (DRM_MODE_TYPE_PREFERRED |
1590                                          DRM_MODE_TYPE_DRIVER);
1591                         drm_mode_probed_add(connector, newmode);
1592                 }
1593         }
1594
1595 end:
1596         list_for_each_entry(newmode, &connector->probed_modes, head) {
1597                 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1598                         intel_sdvo->sdvo_lvds_fixed_mode =
1599                                 drm_mode_duplicate(connector->dev, newmode);
1600
1601                         drm_mode_set_crtcinfo(intel_sdvo->sdvo_lvds_fixed_mode,
1602                                               0);
1603
1604                         intel_sdvo->is_lvds = true;
1605                         break;
1606                 }
1607         }
1608
1609 }
1610
1611 static int intel_sdvo_get_modes(struct drm_connector *connector)
1612 {
1613         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1614
1615         if (IS_TV(intel_sdvo_connector))
1616                 intel_sdvo_get_tv_modes(connector);
1617         else if (IS_LVDS(intel_sdvo_connector))
1618                 intel_sdvo_get_lvds_modes(connector);
1619         else
1620                 intel_sdvo_get_ddc_modes(connector);
1621
1622         return !list_empty(&connector->probed_modes);
1623 }
1624
1625 static void
1626 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1627 {
1628         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1629         struct drm_device *dev = connector->dev;
1630
1631         if (intel_sdvo_connector->left)
1632                 drm_property_destroy(dev, intel_sdvo_connector->left);
1633         if (intel_sdvo_connector->right)
1634                 drm_property_destroy(dev, intel_sdvo_connector->right);
1635         if (intel_sdvo_connector->top)
1636                 drm_property_destroy(dev, intel_sdvo_connector->top);
1637         if (intel_sdvo_connector->bottom)
1638                 drm_property_destroy(dev, intel_sdvo_connector->bottom);
1639         if (intel_sdvo_connector->hpos)
1640                 drm_property_destroy(dev, intel_sdvo_connector->hpos);
1641         if (intel_sdvo_connector->vpos)
1642                 drm_property_destroy(dev, intel_sdvo_connector->vpos);
1643         if (intel_sdvo_connector->saturation)
1644                 drm_property_destroy(dev, intel_sdvo_connector->saturation);
1645         if (intel_sdvo_connector->contrast)
1646                 drm_property_destroy(dev, intel_sdvo_connector->contrast);
1647         if (intel_sdvo_connector->hue)
1648                 drm_property_destroy(dev, intel_sdvo_connector->hue);
1649         if (intel_sdvo_connector->sharpness)
1650                 drm_property_destroy(dev, intel_sdvo_connector->sharpness);
1651         if (intel_sdvo_connector->flicker_filter)
1652                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
1653         if (intel_sdvo_connector->flicker_filter_2d)
1654                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
1655         if (intel_sdvo_connector->flicker_filter_adaptive)
1656                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
1657         if (intel_sdvo_connector->tv_luma_filter)
1658                 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
1659         if (intel_sdvo_connector->tv_chroma_filter)
1660                 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
1661         if (intel_sdvo_connector->dot_crawl)
1662                 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
1663         if (intel_sdvo_connector->brightness)
1664                 drm_property_destroy(dev, intel_sdvo_connector->brightness);
1665 }
1666
1667 static void intel_sdvo_destroy(struct drm_connector *connector)
1668 {
1669         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1670
1671         if (intel_sdvo_connector->tv_format)
1672                 drm_property_destroy(connector->dev,
1673                                      intel_sdvo_connector->tv_format);
1674
1675         intel_sdvo_destroy_enhance_property(connector);
1676         drm_sysfs_connector_remove(connector);
1677         drm_connector_cleanup(connector);
1678         kfree(connector);
1679 }
1680
1681 static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
1682 {
1683         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1684         struct edid *edid;
1685         bool has_audio = false;
1686
1687         if (!intel_sdvo->is_hdmi)
1688                 return false;
1689
1690         edid = intel_sdvo_get_edid(connector);
1691         if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
1692                 has_audio = drm_detect_monitor_audio(edid);
1693
1694         return has_audio;
1695 }
1696
1697 static int
1698 intel_sdvo_set_property(struct drm_connector *connector,
1699                         struct drm_property *property,
1700                         uint64_t val)
1701 {
1702         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1703         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1704         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1705         uint16_t temp_value;
1706         uint8_t cmd;
1707         int ret;
1708
1709         ret = drm_connector_property_set_value(connector, property, val);
1710         if (ret)
1711                 return ret;
1712
1713         if (property == dev_priv->force_audio_property) {
1714                 int i = val;
1715                 bool has_audio;
1716
1717                 if (i == intel_sdvo_connector->force_audio)
1718                         return 0;
1719
1720                 intel_sdvo_connector->force_audio = i;
1721
1722                 if (i == 0)
1723                         has_audio = intel_sdvo_detect_hdmi_audio(connector);
1724                 else
1725                         has_audio = i > 0;
1726
1727                 if (has_audio == intel_sdvo->has_hdmi_audio)
1728                         return 0;
1729
1730                 intel_sdvo->has_hdmi_audio = has_audio;
1731                 goto done;
1732         }
1733
1734         if (property == dev_priv->broadcast_rgb_property) {
1735                 if (val == !!intel_sdvo->color_range)
1736                         return 0;
1737
1738                 intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
1739                 goto done;
1740         }
1741
1742 #define CHECK_PROPERTY(name, NAME) \
1743         if (intel_sdvo_connector->name == property) { \
1744                 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
1745                 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1746                 cmd = SDVO_CMD_SET_##NAME; \
1747                 intel_sdvo_connector->cur_##name = temp_value; \
1748                 goto set_value; \
1749         }
1750
1751         if (property == intel_sdvo_connector->tv_format) {
1752                 if (val >= TV_FORMAT_NUM)
1753                         return -EINVAL;
1754
1755                 if (intel_sdvo->tv_format_index ==
1756                     intel_sdvo_connector->tv_format_supported[val])
1757                         return 0;
1758
1759                 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
1760                 goto done;
1761         } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
1762                 temp_value = val;
1763                 if (intel_sdvo_connector->left == property) {
1764                         drm_connector_property_set_value(connector,
1765                                                          intel_sdvo_connector->right, val);
1766                         if (intel_sdvo_connector->left_margin == temp_value)
1767                                 return 0;
1768
1769                         intel_sdvo_connector->left_margin = temp_value;
1770                         intel_sdvo_connector->right_margin = temp_value;
1771                         temp_value = intel_sdvo_connector->max_hscan -
1772                                 intel_sdvo_connector->left_margin;
1773                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1774                         goto set_value;
1775                 } else if (intel_sdvo_connector->right == property) {
1776                         drm_connector_property_set_value(connector,
1777                                                          intel_sdvo_connector->left, val);
1778                         if (intel_sdvo_connector->right_margin == temp_value)
1779                                 return 0;
1780
1781                         intel_sdvo_connector->left_margin = temp_value;
1782                         intel_sdvo_connector->right_margin = temp_value;
1783                         temp_value = intel_sdvo_connector->max_hscan -
1784                                 intel_sdvo_connector->left_margin;
1785                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1786                         goto set_value;
1787                 } else if (intel_sdvo_connector->top == property) {
1788                         drm_connector_property_set_value(connector,
1789                                                          intel_sdvo_connector->bottom, val);
1790                         if (intel_sdvo_connector->top_margin == temp_value)
1791                                 return 0;
1792
1793                         intel_sdvo_connector->top_margin = temp_value;
1794                         intel_sdvo_connector->bottom_margin = temp_value;
1795                         temp_value = intel_sdvo_connector->max_vscan -
1796                                 intel_sdvo_connector->top_margin;
1797                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1798                         goto set_value;
1799                 } else if (intel_sdvo_connector->bottom == property) {
1800                         drm_connector_property_set_value(connector,
1801                                                          intel_sdvo_connector->top, val);
1802                         if (intel_sdvo_connector->bottom_margin == temp_value)
1803                                 return 0;
1804
1805                         intel_sdvo_connector->top_margin = temp_value;
1806                         intel_sdvo_connector->bottom_margin = temp_value;
1807                         temp_value = intel_sdvo_connector->max_vscan -
1808                                 intel_sdvo_connector->top_margin;
1809                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1810                         goto set_value;
1811                 }
1812                 CHECK_PROPERTY(hpos, HPOS)
1813                 CHECK_PROPERTY(vpos, VPOS)
1814                 CHECK_PROPERTY(saturation, SATURATION)
1815                 CHECK_PROPERTY(contrast, CONTRAST)
1816                 CHECK_PROPERTY(hue, HUE)
1817                 CHECK_PROPERTY(brightness, BRIGHTNESS)
1818                 CHECK_PROPERTY(sharpness, SHARPNESS)
1819                 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1820                 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1821                 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1822                 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1823                 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1824                 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1825         }
1826
1827         return -EINVAL; /* unknown property */
1828
1829 set_value:
1830         if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
1831                 return -EIO;
1832
1833
1834 done:
1835         if (intel_sdvo->base.base.crtc) {
1836                 struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
1837                 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1838                                          crtc->y, crtc->fb);
1839         }
1840
1841         return 0;
1842 #undef CHECK_PROPERTY
1843 }
1844
1845 static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
1846         .dpms = intel_sdvo_dpms,
1847         .mode_fixup = intel_sdvo_mode_fixup,
1848         .prepare = intel_encoder_prepare,
1849         .mode_set = intel_sdvo_mode_set,
1850         .commit = intel_encoder_commit,
1851 };
1852
1853 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
1854         .dpms = drm_helper_connector_dpms,
1855         .detect = intel_sdvo_detect,
1856         .fill_modes = drm_helper_probe_single_connector_modes,
1857         .set_property = intel_sdvo_set_property,
1858         .destroy = intel_sdvo_destroy,
1859 };
1860
1861 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
1862         .get_modes = intel_sdvo_get_modes,
1863         .mode_valid = intel_sdvo_mode_valid,
1864         .best_encoder = intel_best_encoder,
1865 };
1866
1867 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
1868 {
1869         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1870
1871         if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
1872                 drm_mode_destroy(encoder->dev,
1873                                  intel_sdvo->sdvo_lvds_fixed_mode);
1874
1875         i2c_del_adapter(&intel_sdvo->ddc);
1876         intel_encoder_destroy(encoder);
1877 }
1878
1879 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
1880         .destroy = intel_sdvo_enc_destroy,
1881 };
1882
1883 static void
1884 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
1885 {
1886         uint16_t mask = 0;
1887         unsigned int num_bits;
1888
1889         /* Make a mask of outputs less than or equal to our own priority in the
1890          * list.
1891          */
1892         switch (sdvo->controlled_output) {
1893         case SDVO_OUTPUT_LVDS1:
1894                 mask |= SDVO_OUTPUT_LVDS1;
1895         case SDVO_OUTPUT_LVDS0:
1896                 mask |= SDVO_OUTPUT_LVDS0;
1897         case SDVO_OUTPUT_TMDS1:
1898                 mask |= SDVO_OUTPUT_TMDS1;
1899         case SDVO_OUTPUT_TMDS0:
1900                 mask |= SDVO_OUTPUT_TMDS0;
1901         case SDVO_OUTPUT_RGB1:
1902                 mask |= SDVO_OUTPUT_RGB1;
1903         case SDVO_OUTPUT_RGB0:
1904                 mask |= SDVO_OUTPUT_RGB0;
1905                 break;
1906         }
1907
1908         /* Count bits to find what number we are in the priority list. */
1909         mask &= sdvo->caps.output_flags;
1910         num_bits = hweight16(mask);
1911         /* If more than 3 outputs, default to DDC bus 3 for now. */
1912         if (num_bits > 3)
1913                 num_bits = 3;
1914
1915         /* Corresponds to SDVO_CONTROL_BUS_DDCx */
1916         sdvo->ddc_bus = 1 << num_bits;
1917 }
1918
1919 /**
1920  * Choose the appropriate DDC bus for control bus switch command for this
1921  * SDVO output based on the controlled output.
1922  *
1923  * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
1924  * outputs, then LVDS outputs.
1925  */
1926 static void
1927 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
1928                           struct intel_sdvo *sdvo, u32 reg)
1929 {
1930         struct sdvo_device_mapping *mapping;
1931
1932         if (IS_SDVOB(reg))
1933                 mapping = &(dev_priv->sdvo_mappings[0]);
1934         else
1935                 mapping = &(dev_priv->sdvo_mappings[1]);
1936
1937         if (mapping->initialized)
1938                 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
1939         else
1940                 intel_sdvo_guess_ddc_bus(sdvo);
1941 }
1942
1943 static void
1944 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
1945                           struct intel_sdvo *sdvo, u32 reg)
1946 {
1947         struct sdvo_device_mapping *mapping;
1948         u8 pin, speed;
1949
1950         if (IS_SDVOB(reg))
1951                 mapping = &dev_priv->sdvo_mappings[0];
1952         else
1953                 mapping = &dev_priv->sdvo_mappings[1];
1954
1955         pin = GMBUS_PORT_DPB;
1956         speed = GMBUS_RATE_1MHZ >> 8;
1957         if (mapping->initialized) {
1958                 pin = mapping->i2c_pin;
1959                 speed = mapping->i2c_speed;
1960         }
1961
1962         if (pin < GMBUS_NUM_PORTS) {
1963                 sdvo->i2c = &dev_priv->gmbus[pin].adapter;
1964                 intel_gmbus_set_speed(sdvo->i2c, speed);
1965                 intel_gmbus_force_bit(sdvo->i2c, true);
1966         } else
1967                 sdvo->i2c = &dev_priv->gmbus[GMBUS_PORT_DPB].adapter;
1968 }
1969
1970 static bool
1971 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
1972 {
1973         return intel_sdvo_check_supp_encode(intel_sdvo);
1974 }
1975
1976 static u8
1977 intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
1978 {
1979         struct drm_i915_private *dev_priv = dev->dev_private;
1980         struct sdvo_device_mapping *my_mapping, *other_mapping;
1981
1982         if (IS_SDVOB(sdvo_reg)) {
1983                 my_mapping = &dev_priv->sdvo_mappings[0];
1984                 other_mapping = &dev_priv->sdvo_mappings[1];
1985         } else {
1986                 my_mapping = &dev_priv->sdvo_mappings[1];
1987                 other_mapping = &dev_priv->sdvo_mappings[0];
1988         }
1989
1990         /* If the BIOS described our SDVO device, take advantage of it. */
1991         if (my_mapping->slave_addr)
1992                 return my_mapping->slave_addr;
1993
1994         /* If the BIOS only described a different SDVO device, use the
1995          * address that it isn't using.
1996          */
1997         if (other_mapping->slave_addr) {
1998                 if (other_mapping->slave_addr == 0x70)
1999                         return 0x72;
2000                 else
2001                         return 0x70;
2002         }
2003
2004         /* No SDVO device info is found for another DVO port,
2005          * so use mapping assumption we had before BIOS parsing.
2006          */
2007         if (IS_SDVOB(sdvo_reg))
2008                 return 0x70;
2009         else
2010                 return 0x72;
2011 }
2012
2013 static void
2014 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2015                           struct intel_sdvo *encoder)
2016 {
2017         drm_connector_init(encoder->base.base.dev,
2018                            &connector->base.base,
2019                            &intel_sdvo_connector_funcs,
2020                            connector->base.base.connector_type);
2021
2022         drm_connector_helper_add(&connector->base.base,
2023                                  &intel_sdvo_connector_helper_funcs);
2024
2025         connector->base.base.interlace_allowed = 0;
2026         connector->base.base.doublescan_allowed = 0;
2027         connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2028
2029         intel_connector_attach_encoder(&connector->base, &encoder->base);
2030         drm_sysfs_connector_add(&connector->base.base);
2031 }
2032
2033 static void
2034 intel_sdvo_add_hdmi_properties(struct intel_sdvo_connector *connector)
2035 {
2036         struct drm_device *dev = connector->base.base.dev;
2037
2038         intel_attach_force_audio_property(&connector->base.base);
2039         if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev))
2040                 intel_attach_broadcast_rgb_property(&connector->base.base);
2041 }
2042
2043 static bool
2044 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2045 {
2046         struct drm_encoder *encoder = &intel_sdvo->base.base;
2047         struct drm_connector *connector;
2048         struct intel_connector *intel_connector;
2049         struct intel_sdvo_connector *intel_sdvo_connector;
2050
2051         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2052         if (!intel_sdvo_connector)
2053                 return false;
2054
2055         if (device == 0) {
2056                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2057                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2058         } else if (device == 1) {
2059                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2060                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2061         }
2062
2063         intel_connector = &intel_sdvo_connector->base;
2064         connector = &intel_connector->base;
2065         connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2066         encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2067         connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2068
2069         if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2070                 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2071                 intel_sdvo->is_hdmi = true;
2072         }
2073         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2074                                        (1 << INTEL_ANALOG_CLONE_BIT));
2075
2076         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2077         if (intel_sdvo->is_hdmi)
2078                 intel_sdvo_add_hdmi_properties(intel_sdvo_connector);
2079
2080         return true;
2081 }
2082
2083 static bool
2084 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2085 {
2086         struct drm_encoder *encoder = &intel_sdvo->base.base;
2087         struct drm_connector *connector;
2088         struct intel_connector *intel_connector;
2089         struct intel_sdvo_connector *intel_sdvo_connector;
2090
2091         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2092         if (!intel_sdvo_connector)
2093                 return false;
2094
2095         intel_connector = &intel_sdvo_connector->base;
2096         connector = &intel_connector->base;
2097         encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2098         connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2099
2100         intel_sdvo->controlled_output |= type;
2101         intel_sdvo_connector->output_flag = type;
2102
2103         intel_sdvo->is_tv = true;
2104         intel_sdvo->base.needs_tv_clock = true;
2105         intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2106
2107         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2108
2109         if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2110                 goto err;
2111
2112         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2113                 goto err;
2114
2115         return true;
2116
2117 err:
2118         intel_sdvo_destroy(connector);
2119         return false;
2120 }
2121
2122 static bool
2123 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2124 {
2125         struct drm_encoder *encoder = &intel_sdvo->base.base;
2126         struct drm_connector *connector;
2127         struct intel_connector *intel_connector;
2128         struct intel_sdvo_connector *intel_sdvo_connector;
2129
2130         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2131         if (!intel_sdvo_connector)
2132                 return false;
2133
2134         intel_connector = &intel_sdvo_connector->base;
2135         connector = &intel_connector->base;
2136         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2137         encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2138         connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2139
2140         if (device == 0) {
2141                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2142                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2143         } else if (device == 1) {
2144                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2145                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2146         }
2147
2148         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2149                                        (1 << INTEL_ANALOG_CLONE_BIT));
2150
2151         intel_sdvo_connector_init(intel_sdvo_connector,
2152                                   intel_sdvo);
2153         return true;
2154 }
2155
2156 static bool
2157 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2158 {
2159         struct drm_encoder *encoder = &intel_sdvo->base.base;
2160         struct drm_connector *connector;
2161         struct intel_connector *intel_connector;
2162         struct intel_sdvo_connector *intel_sdvo_connector;
2163
2164         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2165         if (!intel_sdvo_connector)
2166                 return false;
2167
2168         intel_connector = &intel_sdvo_connector->base;
2169         connector = &intel_connector->base;
2170         encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2171         connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2172
2173         if (device == 0) {
2174                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2175                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2176         } else if (device == 1) {
2177                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2178                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2179         }
2180
2181         intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
2182                                        (1 << INTEL_SDVO_LVDS_CLONE_BIT));
2183
2184         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2185         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2186                 goto err;
2187
2188         return true;
2189
2190 err:
2191         intel_sdvo_destroy(connector);
2192         return false;
2193 }
2194
2195 static bool
2196 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2197 {
2198         intel_sdvo->is_tv = false;
2199         intel_sdvo->base.needs_tv_clock = false;
2200         intel_sdvo->is_lvds = false;
2201
2202         /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2203
2204         if (flags & SDVO_OUTPUT_TMDS0)
2205                 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2206                         return false;
2207
2208         if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2209                 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2210                         return false;
2211
2212         /* TV has no XXX1 function block */
2213         if (flags & SDVO_OUTPUT_SVID0)
2214                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2215                         return false;
2216
2217         if (flags & SDVO_OUTPUT_CVBS0)
2218                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2219                         return false;
2220
2221         if (flags & SDVO_OUTPUT_RGB0)
2222                 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2223                         return false;
2224
2225         if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2226                 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2227                         return false;
2228
2229         if (flags & SDVO_OUTPUT_LVDS0)
2230                 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2231                         return false;
2232
2233         if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2234                 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2235                         return false;
2236
2237         if ((flags & SDVO_OUTPUT_MASK) == 0) {
2238                 unsigned char bytes[2];
2239
2240                 intel_sdvo->controlled_output = 0;
2241                 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2242                 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2243                               SDVO_NAME(intel_sdvo),
2244                               bytes[0], bytes[1]);
2245                 return false;
2246         }
2247         intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1);
2248
2249         return true;
2250 }
2251
2252 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2253                                           struct intel_sdvo_connector *intel_sdvo_connector,
2254                                           int type)
2255 {
2256         struct drm_device *dev = intel_sdvo->base.base.dev;
2257         struct intel_sdvo_tv_format format;
2258         uint32_t format_map, i;
2259
2260         if (!intel_sdvo_set_target_output(intel_sdvo, type))
2261                 return false;
2262
2263         BUILD_BUG_ON(sizeof(format) != 6);
2264         if (!intel_sdvo_get_value(intel_sdvo,
2265                                   SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2266                                   &format, sizeof(format)))
2267                 return false;
2268
2269         memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2270
2271         if (format_map == 0)
2272                 return false;
2273
2274         intel_sdvo_connector->format_supported_num = 0;
2275         for (i = 0 ; i < TV_FORMAT_NUM; i++)
2276                 if (format_map & (1 << i))
2277                         intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2278
2279
2280         intel_sdvo_connector->tv_format =
2281                         drm_property_create(dev, DRM_MODE_PROP_ENUM,
2282                                             "mode", intel_sdvo_connector->format_supported_num);
2283         if (!intel_sdvo_connector->tv_format)
2284                 return false;
2285
2286         for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2287                 drm_property_add_enum(
2288                                 intel_sdvo_connector->tv_format, i,
2289                                 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2290
2291         intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2292         drm_connector_attach_property(&intel_sdvo_connector->base.base,
2293                                       intel_sdvo_connector->tv_format, 0);
2294         return true;
2295
2296 }
2297
2298 #define ENHANCEMENT(name, NAME) do { \
2299         if (enhancements.name) { \
2300                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2301                     !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2302                         return false; \
2303                 intel_sdvo_connector->max_##name = data_value[0]; \
2304                 intel_sdvo_connector->cur_##name = response; \
2305                 intel_sdvo_connector->name = \
2306                         drm_property_create(dev, DRM_MODE_PROP_RANGE, #name, 2); \
2307                 if (!intel_sdvo_connector->name) return false; \
2308                 intel_sdvo_connector->name->values[0] = 0; \
2309                 intel_sdvo_connector->name->values[1] = data_value[0]; \
2310                 drm_connector_attach_property(connector, \
2311                                               intel_sdvo_connector->name, \
2312                                               intel_sdvo_connector->cur_##name); \
2313                 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2314                               data_value[0], data_value[1], response); \
2315         } \
2316 } while(0)
2317
2318 static bool
2319 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2320                                       struct intel_sdvo_connector *intel_sdvo_connector,
2321                                       struct intel_sdvo_enhancements_reply enhancements)
2322 {
2323         struct drm_device *dev = intel_sdvo->base.base.dev;
2324         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2325         uint16_t response, data_value[2];
2326
2327         /* when horizontal overscan is supported, Add the left/right  property */
2328         if (enhancements.overscan_h) {
2329                 if (!intel_sdvo_get_value(intel_sdvo,
2330                                           SDVO_CMD_GET_MAX_OVERSCAN_H,
2331                                           &data_value, 4))
2332                         return false;
2333
2334                 if (!intel_sdvo_get_value(intel_sdvo,
2335                                           SDVO_CMD_GET_OVERSCAN_H,
2336                                           &response, 2))
2337                         return false;
2338
2339                 intel_sdvo_connector->max_hscan = data_value[0];
2340                 intel_sdvo_connector->left_margin = data_value[0] - response;
2341                 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2342                 intel_sdvo_connector->left =
2343                         drm_property_create(dev, DRM_MODE_PROP_RANGE,
2344                                             "left_margin", 2);
2345                 if (!intel_sdvo_connector->left)
2346                         return false;
2347
2348                 intel_sdvo_connector->left->values[0] = 0;
2349                 intel_sdvo_connector->left->values[1] = data_value[0];
2350                 drm_connector_attach_property(connector,
2351                                               intel_sdvo_connector->left,
2352                                               intel_sdvo_connector->left_margin);
2353
2354                 intel_sdvo_connector->right =
2355                         drm_property_create(dev, DRM_MODE_PROP_RANGE,
2356                                             "right_margin", 2);
2357                 if (!intel_sdvo_connector->right)
2358                         return false;
2359
2360                 intel_sdvo_connector->right->values[0] = 0;
2361                 intel_sdvo_connector->right->values[1] = data_value[0];
2362                 drm_connector_attach_property(connector,
2363                                               intel_sdvo_connector->right,
2364                                               intel_sdvo_connector->right_margin);
2365                 DRM_DEBUG_KMS("h_overscan: max %d, "
2366                               "default %d, current %d\n",
2367                               data_value[0], data_value[1], response);
2368         }
2369
2370         if (enhancements.overscan_v) {
2371                 if (!intel_sdvo_get_value(intel_sdvo,
2372                                           SDVO_CMD_GET_MAX_OVERSCAN_V,
2373                                           &data_value, 4))
2374                         return false;
2375
2376                 if (!intel_sdvo_get_value(intel_sdvo,
2377                                           SDVO_CMD_GET_OVERSCAN_V,
2378                                           &response, 2))
2379                         return false;
2380
2381                 intel_sdvo_connector->max_vscan = data_value[0];
2382                 intel_sdvo_connector->top_margin = data_value[0] - response;
2383                 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2384                 intel_sdvo_connector->top =
2385                         drm_property_create(dev, DRM_MODE_PROP_RANGE,
2386                                             "top_margin", 2);
2387                 if (!intel_sdvo_connector->top)
2388                         return false;
2389
2390                 intel_sdvo_connector->top->values[0] = 0;
2391                 intel_sdvo_connector->top->values[1] = data_value[0];
2392                 drm_connector_attach_property(connector,
2393                                               intel_sdvo_connector->top,
2394                                               intel_sdvo_connector->top_margin);
2395
2396                 intel_sdvo_connector->bottom =
2397                         drm_property_create(dev, DRM_MODE_PROP_RANGE,
2398                                             "bottom_margin", 2);
2399                 if (!intel_sdvo_connector->bottom)
2400                         return false;
2401
2402                 intel_sdvo_connector->bottom->values[0] = 0;
2403                 intel_sdvo_connector->bottom->values[1] = data_value[0];
2404                 drm_connector_attach_property(connector,
2405                                               intel_sdvo_connector->bottom,
2406                                               intel_sdvo_connector->bottom_margin);
2407                 DRM_DEBUG_KMS("v_overscan: max %d, "
2408                               "default %d, current %d\n",
2409                               data_value[0], data_value[1], response);
2410         }
2411
2412         ENHANCEMENT(hpos, HPOS);
2413         ENHANCEMENT(vpos, VPOS);
2414         ENHANCEMENT(saturation, SATURATION);
2415         ENHANCEMENT(contrast, CONTRAST);
2416         ENHANCEMENT(hue, HUE);
2417         ENHANCEMENT(sharpness, SHARPNESS);
2418         ENHANCEMENT(brightness, BRIGHTNESS);
2419         ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2420         ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2421         ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2422         ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2423         ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2424
2425         if (enhancements.dot_crawl) {
2426                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2427                         return false;
2428
2429                 intel_sdvo_connector->max_dot_crawl = 1;
2430                 intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2431                 intel_sdvo_connector->dot_crawl =
2432                         drm_property_create(dev, DRM_MODE_PROP_RANGE, "dot_crawl", 2);
2433                 if (!intel_sdvo_connector->dot_crawl)
2434                         return false;
2435
2436                 intel_sdvo_connector->dot_crawl->values[0] = 0;
2437                 intel_sdvo_connector->dot_crawl->values[1] = 1;
2438                 drm_connector_attach_property(connector,
2439                                               intel_sdvo_connector->dot_crawl,
2440                                               intel_sdvo_connector->cur_dot_crawl);
2441                 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2442         }
2443
2444         return true;
2445 }
2446
2447 static bool
2448 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2449                                         struct intel_sdvo_connector *intel_sdvo_connector,
2450                                         struct intel_sdvo_enhancements_reply enhancements)
2451 {
2452         struct drm_device *dev = intel_sdvo->base.base.dev;
2453         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2454         uint16_t response, data_value[2];
2455
2456         ENHANCEMENT(brightness, BRIGHTNESS);
2457
2458         return true;
2459 }
2460 #undef ENHANCEMENT
2461
2462 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2463                                                struct intel_sdvo_connector *intel_sdvo_connector)
2464 {
2465         union {
2466                 struct intel_sdvo_enhancements_reply reply;
2467                 uint16_t response;
2468         } enhancements;
2469
2470         BUILD_BUG_ON(sizeof(enhancements) != 2);
2471
2472         enhancements.response = 0;
2473         intel_sdvo_get_value(intel_sdvo,
2474                              SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2475                              &enhancements, sizeof(enhancements));
2476         if (enhancements.response == 0) {
2477                 DRM_DEBUG_KMS("No enhancement is supported\n");
2478                 return true;
2479         }
2480
2481         if (IS_TV(intel_sdvo_connector))
2482                 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2483         else if(IS_LVDS(intel_sdvo_connector))
2484                 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2485         else
2486                 return true;
2487 }
2488
2489 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2490                                      struct i2c_msg *msgs,
2491                                      int num)
2492 {
2493         struct intel_sdvo *sdvo = adapter->algo_data;
2494
2495         if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2496                 return -EIO;
2497
2498         return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2499 }
2500
2501 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2502 {
2503         struct intel_sdvo *sdvo = adapter->algo_data;
2504         return sdvo->i2c->algo->functionality(sdvo->i2c);
2505 }
2506
2507 static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
2508         .master_xfer    = intel_sdvo_ddc_proxy_xfer,
2509         .functionality  = intel_sdvo_ddc_proxy_func
2510 };
2511
2512 static bool
2513 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
2514                           struct drm_device *dev)
2515 {
2516         sdvo->ddc.owner = THIS_MODULE;
2517         sdvo->ddc.class = I2C_CLASS_DDC;
2518         snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2519         sdvo->ddc.dev.parent = &dev->pdev->dev;
2520         sdvo->ddc.algo_data = sdvo;
2521         sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
2522
2523         return i2c_add_adapter(&sdvo->ddc) == 0;
2524 }
2525
2526 bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
2527 {
2528         struct drm_i915_private *dev_priv = dev->dev_private;
2529         struct intel_encoder *intel_encoder;
2530         struct intel_sdvo *intel_sdvo;
2531         int i;
2532
2533         intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);
2534         if (!intel_sdvo)
2535                 return false;
2536
2537         intel_sdvo->sdvo_reg = sdvo_reg;
2538         intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, sdvo_reg) >> 1;
2539         intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
2540         if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev)) {
2541                 kfree(intel_sdvo);
2542                 return false;
2543         }
2544
2545         /* encoder type will be decided later */
2546         intel_encoder = &intel_sdvo->base;
2547         intel_encoder->type = INTEL_OUTPUT_SDVO;
2548         drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
2549
2550         /* Read the regs to test if we can talk to the device */
2551         for (i = 0; i < 0x40; i++) {
2552                 u8 byte;
2553
2554                 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
2555                         DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
2556                                       IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2557                         goto err;
2558                 }
2559         }
2560
2561         if (IS_SDVOB(sdvo_reg))
2562                 dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
2563         else
2564                 dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
2565
2566         drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
2567
2568         /* In default case sdvo lvds is false */
2569         if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
2570                 goto err;
2571
2572         if (intel_sdvo_output_setup(intel_sdvo,
2573                                     intel_sdvo->caps.output_flags) != true) {
2574                 DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
2575                               IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2576                 goto err;
2577         }
2578
2579         intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
2580
2581         /* Set the input timing to the screen. Assume always input 0. */
2582         if (!intel_sdvo_set_target_input(intel_sdvo))
2583                 goto err;
2584
2585         if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
2586                                                     &intel_sdvo->pixel_clock_min,
2587                                                     &intel_sdvo->pixel_clock_max))
2588                 goto err;
2589
2590         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2591                         "clock range %dMHz - %dMHz, "
2592                         "input 1: %c, input 2: %c, "
2593                         "output 1: %c, output 2: %c\n",
2594                         SDVO_NAME(intel_sdvo),
2595                         intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
2596                         intel_sdvo->caps.device_rev_id,
2597                         intel_sdvo->pixel_clock_min / 1000,
2598                         intel_sdvo->pixel_clock_max / 1000,
2599                         (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2600                         (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2601                         /* check currently supported outputs */
2602                         intel_sdvo->caps.output_flags &
2603                         (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2604                         intel_sdvo->caps.output_flags &
2605                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2606         return true;
2607
2608 err:
2609         drm_encoder_cleanup(&intel_encoder->base);
2610         i2c_del_adapter(&intel_sdvo->ddc);
2611         kfree(intel_sdvo);
2612
2613         return false;
2614 }