drivers/gpu/drm/i915/intel_sdvo.c

   1 /*
   2  * Copyright 2006 Dave Airlie <airlied@linux.ie>
   3  * Copyright © 2006-2007 Intel Corporation
   4  *   Jesse Barnes <jesse.barnes@intel.com>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23  * DEALINGS IN THE SOFTWARE.
  24  *
  25  * Authors:
  26  *      Eric Anholt <eric@anholt.net>
  27  */
  28 #include <linux/i2c.h>
  29 #include <linux/slab.h>
  30 #include <linux/delay.h>
  31 #include "drmP.h"
  32 #include "drm.h"
  33 #include "drm_crtc.h"
  34 #include "drm_edid.h"
  35 #include "intel_drv.h"
  36 #include "i915_drm.h"
  37 #include "i915_drv.h"
  38 #include "intel_sdvo_regs.h"
  39
  40 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
  41 #define SDVO_RGB_MASK  (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
  42 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
  43 #define SDVO_TV_MASK   (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0)
  44
  45 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
  46                          SDVO_TV_MASK)
  47
  48 #define IS_TV(c)        (c->output_flag & SDVO_TV_MASK)
  49 #define IS_LVDS(c)      (c->output_flag & SDVO_LVDS_MASK)
  50 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
  51
  52
  53 static const char *tv_format_names[] = {
  54         "NTSC_M"   , "NTSC_J"  , "NTSC_443",
  55         "PAL_B"    , "PAL_D"   , "PAL_G"   ,
  56         "PAL_H"    , "PAL_I"   , "PAL_M"   ,
  57         "PAL_N"    , "PAL_NC"  , "PAL_60"  ,
  58         "SECAM_B"  , "SECAM_D" , "SECAM_G" ,
  59         "SECAM_K"  , "SECAM_K1", "SECAM_L" ,
  60         "SECAM_60"
  61 };
  62
  63 #define TV_FORMAT_NUM  (sizeof(tv_format_names) / sizeof(*tv_format_names))
  64
  65 struct intel_sdvo {
  66         struct intel_encoder base;
  67
  68         struct i2c_adapter *i2c;
  69         u8 slave_addr;
  70
  71         struct i2c_adapter ddc;
  72
  73         /* Register for the SDVO device: SDVOB or SDVOC */
  74         int sdvo_reg;
  75
  76         /* Active outputs controlled by this SDVO output */
  77         uint16_t controlled_output;
  78
  79         /*
  80          * Capabilities of the SDVO device returned by
  81          * i830_sdvo_get_capabilities()
  82          */
  83         struct intel_sdvo_caps caps;
  84
  85         /* Pixel clock limitations reported by the SDVO device, in kHz */
  86         int pixel_clock_min, pixel_clock_max;
  87
  88         /*
  89         * For multiple function SDVO device,
  90         * this is for current attached outputs.
  91         */
  92         uint16_t attached_output;
  93
  94         /**
  95          * This is set if we're going to treat the device as TV-out.
  96          *
  97          * While we have these nice friendly flags for output types that ought
  98          * to decide this for us, the S-Video output on our HDMI+S-Video card
  99          * shows up as RGB1 (VGA).
 100          */
 101         bool is_tv;
 102
 103         /* This is for current tv format name */
 104         int tv_format_index;
 105
 106         /**
 107          * This is set if we treat the device as HDMI, instead of DVI.
 108          */
 109         bool is_hdmi;
 110         bool has_hdmi_monitor;
 111         bool has_hdmi_audio;
 112
 113         /**
 114          * This is set if we detect output of sdvo device as LVDS and
 115          * have a valid fixed mode to use with the panel.
 116          */
 117         bool is_lvds;
 118
 119         /**
 120          * This is sdvo fixed pannel mode pointer
 121          */
 122         struct drm_display_mode *sdvo_lvds_fixed_mode;
 123
 124         /* DDC bus used by this SDVO encoder */
 125         uint8_t ddc_bus;
 126
 127         /* Input timings for adjusted_mode */
 128         struct intel_sdvo_dtd input_dtd;
 129 };
 130
 131 struct intel_sdvo_connector {
 132         struct intel_connector base;
 133
 134         /* Mark the type of connector */
 135         uint16_t output_flag;
 136
 137         int force_audio;
 138
 139         /* This contains all current supported TV format */
 140         u8 tv_format_supported[TV_FORMAT_NUM];
 141         int   format_supported_num;
 142         struct drm_property *tv_format;
 143
 144         struct drm_property *force_audio_property;
 145
 146         /* add the property for the SDVO-TV */
 147         struct drm_property *left;
 148         struct drm_property *right;
 149         struct drm_property *top;
 150         struct drm_property *bottom;
 151         struct drm_property *hpos;
 152         struct drm_property *vpos;
 153         struct drm_property *contrast;
 154         struct drm_property *saturation;
 155         struct drm_property *hue;
 156         struct drm_property *sharpness;
 157         struct drm_property *flicker_filter;
 158         struct drm_property *flicker_filter_adaptive;
 159         struct drm_property *flicker_filter_2d;
 160         struct drm_property *tv_chroma_filter;
 161         struct drm_property *tv_luma_filter;
 162         struct drm_property *dot_crawl;
 163
 164         /* add the property for the SDVO-TV/LVDS */
 165         struct drm_property *brightness;
 166
 167         /* Add variable to record current setting for the above property */
 168         u32     left_margin, right_margin, top_margin, bottom_margin;
 169
 170         /* this is to get the range of margin.*/
 171         u32     max_hscan,  max_vscan;
 172         u32     max_hpos, cur_hpos;
 173         u32     max_vpos, cur_vpos;
 174         u32     cur_brightness, max_brightness;
 175         u32     cur_contrast,   max_contrast;
 176         u32     cur_saturation, max_saturation;
 177         u32     cur_hue,        max_hue;
 178         u32     cur_sharpness,  max_sharpness;
 179         u32     cur_flicker_filter,             max_flicker_filter;
 180         u32     cur_flicker_filter_adaptive,    max_flicker_filter_adaptive;
 181         u32     cur_flicker_filter_2d,          max_flicker_filter_2d;
 182         u32     cur_tv_chroma_filter,   max_tv_chroma_filter;
 183         u32     cur_tv_luma_filter,     max_tv_luma_filter;
 184         u32     cur_dot_crawl,  max_dot_crawl;
 185 };
 186
 187 static struct intel_sdvo *to_intel_sdvo(struct drm_encoder *encoder)
 188 {
 189         return container_of(encoder, struct intel_sdvo, base.base);
 190 }
 191
 192 static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
 193 {
 194         return container_of(intel_attached_encoder(connector),
 195                             struct intel_sdvo, base);
 196 }
 197
 198 static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector)
 199 {
 200         return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);
 201 }
 202
 203 static bool
 204 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
 205 static bool
 206 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
 207                               struct intel_sdvo_connector *intel_sdvo_connector,
 208                               int type);
 209 static bool
 210 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
 211                                    struct intel_sdvo_connector *intel_sdvo_connector);
 212
 213 /**
 214  * Writes the SDVOB or SDVOC with the given value, but always writes both
 215  * SDVOB and SDVOC to work around apparent hardware issues (according to
 216  * comments in the BIOS).
 217  */
 218 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
 219 {
 220         struct drm_device *dev = intel_sdvo->base.base.dev;
 221         struct drm_i915_private *dev_priv = dev->dev_private;
 222         u32 bval = val, cval = val;
 223         int i;
 224
 225         if (intel_sdvo->sdvo_reg == PCH_SDVOB) {
 226                 I915_WRITE(intel_sdvo->sdvo_reg, val);
 227                 I915_READ(intel_sdvo->sdvo_reg);
 228                 return;
 229         }
 230
 231         if (intel_sdvo->sdvo_reg == SDVOB) {
 232                 cval = I915_READ(SDVOC);
 233         } else {
 234                 bval = I915_READ(SDVOB);
 235         }
 236         /*
 237          * Write the registers twice for luck. Sometimes,
 238          * writing them only once doesn't appear to 'stick'.
 239          * The BIOS does this too. Yay, magic
 240          */
 241         for (i = 0; i < 2; i++)
 242         {
 243                 I915_WRITE(SDVOB, bval);
 244                 I915_READ(SDVOB);
 245                 I915_WRITE(SDVOC, cval);
 246                 I915_READ(SDVOC);
 247         }
 248 }
 249
 250 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
 251 {
 252         struct i2c_msg msgs[] = {
 253                 {
 254                         .addr = intel_sdvo->slave_addr,
 255                         .flags = 0,
 256                         .len = 1,
 257                         .buf = &addr,
 258                 },
 259                 {
 260                         .addr = intel_sdvo->slave_addr,
 261                         .flags = I2C_M_RD,
 262                         .len = 1,
 263                         .buf = ch,
 264                 }
 265         };
 266         int ret;
 267
 268         if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
 269                 return true;
 270
 271         DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
 272         return false;
 273 }
 274
 275 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
 276 /** Mapping of command numbers to names, for debug output */
 277 static const struct _sdvo_cmd_name {
 278         u8 cmd;
 279         const char *name;
 280 } sdvo_cmd_names[] = {
 281     SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
 282     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
 283     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
 284     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
 285     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
 286     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
 287     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
 288     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
 289     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
 290     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
 291     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
 292     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
 293     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
 294     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
 295     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
 296     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
 297     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
 298     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 299     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
 300     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 301     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
 302     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
 303     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
 304     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
 305     SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
 306     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
 307     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
 308     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
 309     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
 310     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
 311     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
 312     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
 313     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
 314     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
 315     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
 316     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
 317     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
 318     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
 319     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
 320     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
 321     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
 322     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
 323     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
 324
 325     /* Add the op code for SDVO enhancements */
 326     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
 327     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
 328     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
 329     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
 330     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
 331     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
 332     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
 333     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
 334     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
 335     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
 336     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
 337     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
 338     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
 339     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
 340     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
 341     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
 342     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
 343     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
 344     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
 345     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
 346     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
 347     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
 348     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
 349     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
 350     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
 351     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
 352     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
 353     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
 354     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
 355     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
 356     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
 357     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
 358     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
 359     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
 360     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
 361     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
 362     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
 363     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
 364     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
 365     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
 366     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
 367     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
 368     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
 369     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
 370
 371     /* HDMI op code */
 372     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
 373     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
 374     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
 375     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
 376     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
 377     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
 378     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
 379     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
 380     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
 381     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
 382     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
 383     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
 384     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
 385     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
 386     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
 387     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
 388     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
 389     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
 390     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
 391     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
 392 };
 393
 394 #define IS_SDVOB(reg)   (reg == SDVOB || reg == PCH_SDVOB)
 395 #define SDVO_NAME(svdo) (IS_SDVOB((svdo)->sdvo_reg) ? "SDVOB" : "SDVOC")
 396
 397 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
 398                                    const void *args, int args_len)
 399 {
 400         int i;
 401
 402         DRM_DEBUG_KMS("%s: W: %02X ",
 403                                 SDVO_NAME(intel_sdvo), cmd);
 404         for (i = 0; i < args_len; i++)
 405                 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
 406         for (; i < 8; i++)
 407                 DRM_LOG_KMS("   ");
 408         for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
 409                 if (cmd == sdvo_cmd_names[i].cmd) {
 410                         DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
 411                         break;
 412                 }
 413         }
 414         if (i == ARRAY_SIZE(sdvo_cmd_names))
 415                 DRM_LOG_KMS("(%02X)", cmd);
 416         DRM_LOG_KMS("\n");
 417 }
 418
 419 static const char *cmd_status_names[] = {
 420         "Power on",
 421         "Success",
 422         "Not supported",
 423         "Invalid arg",
 424         "Pending",
 425         "Target not specified",
 426         "Scaling not supported"
 427 };
 428
 429 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
 430                                  const void *args, int args_len)
 431 {
 432         u8 buf[args_len*2 + 2], status;
 433         struct i2c_msg msgs[args_len + 3];
 434         int i, ret;
 435
 436         intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
 437
 438         for (i = 0; i < args_len; i++) {
 439                 msgs[i].addr = intel_sdvo->slave_addr;
 440                 msgs[i].flags = 0;
 441                 msgs[i].len = 2;
 442                 msgs[i].buf = buf + 2 *i;
 443                 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
 444                 buf[2*i + 1] = ((u8*)args)[i];
 445         }
 446         msgs[i].addr = intel_sdvo->slave_addr;
 447         msgs[i].flags = 0;
 448         msgs[i].len = 2;
 449         msgs[i].buf = buf + 2*i;
 450         buf[2*i + 0] = SDVO_I2C_OPCODE;
 451         buf[2*i + 1] = cmd;
 452
 453         /* the following two are to read the response */
 454         status = SDVO_I2C_CMD_STATUS;
 455         msgs[i+1].addr = intel_sdvo->slave_addr;
 456         msgs[i+1].flags = 0;
 457         msgs[i+1].len = 1;
 458         msgs[i+1].buf = &status;
 459
 460         msgs[i+2].addr = intel_sdvo->slave_addr;
 461         msgs[i+2].flags = I2C_M_RD;
 462         msgs[i+2].len = 1;
 463         msgs[i+2].buf = &status;
 464
 465         ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
 466         if (ret < 0) {
 467                 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
 468                 return false;
 469         }
 470         if (ret != i+3) {
 471                 /* failure in I2C transfer */
 472                 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
 473                 return false;
 474         }
 475
 476         i = 3;
 477         while (status == SDVO_CMD_STATUS_PENDING && i--) {
 478                 if (!intel_sdvo_read_byte(intel_sdvo,
 479                                           SDVO_I2C_CMD_STATUS,
 480                                           &status))
 481                         return false;
 482         }
 483         if (status != SDVO_CMD_STATUS_SUCCESS) {
 484                 DRM_DEBUG_KMS("command returns response %s [%d]\n",
 485                               status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP ? cmd_status_names[status] : "???",
 486                               status);
 487                 return false;
 488         }
 489
 490         return true;
 491 }
 492
 493 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
 494                                      void *response, int response_len)
 495 {
 496         u8 retry = 5;
 497         u8 status;
 498         int i;
 499
 500         /*
 501          * The documentation states that all commands will be
 502          * processed within 15µs, and that we need only poll
 503          * the status byte a maximum of 3 times in order for the
 504          * command to be complete.
 505          *
 506          * Check 5 times in case the hardware failed to read the docs.
 507          */
 508         do {
 509                 if (!intel_sdvo_read_byte(intel_sdvo,
 510                                           SDVO_I2C_CMD_STATUS,
 511                                           &status))
 512                         return false;
 513         } while (status == SDVO_CMD_STATUS_PENDING && --retry);
 514
 515         DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));
 516         if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
 517                 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
 518         else
 519                 DRM_LOG_KMS("(??? %d)", status);
 520
 521         if (status != SDVO_CMD_STATUS_SUCCESS)
 522                 goto log_fail;
 523
 524         /* Read the command response */
 525         for (i = 0; i < response_len; i++) {
 526                 if (!intel_sdvo_read_byte(intel_sdvo,
 527                                           SDVO_I2C_RETURN_0 + i,
 528                                           &((u8 *)response)[i]))
 529                         goto log_fail;
 530                 DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
 531         }
 532         DRM_LOG_KMS("\n");
 533         return true;
 534
 535 log_fail:
 536         DRM_LOG_KMS("\n");
 537         return false;
 538 }
 539
 540 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
 541 {
 542         if (mode->clock >= 100000)
 543                 return 1;
 544         else if (mode->clock >= 50000)
 545                 return 2;
 546         else
 547                 return 4;
 548 }
 549
 550 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
 551                                               u8 ddc_bus)
 552 {
 553         return intel_sdvo_write_cmd(intel_sdvo,
 554                                     SDVO_CMD_SET_CONTROL_BUS_SWITCH,
 555                                     &ddc_bus, 1);
 556 }
 557
 558 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
 559 {
 560         return intel_sdvo_write_cmd(intel_sdvo, cmd, data, len);
 561 }
 562
 563 static bool
 564 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
 565 {
 566         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
 567                 return false;
 568
 569         return intel_sdvo_read_response(intel_sdvo, value, len);
 570 }
 571
 572 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
 573 {
 574         struct intel_sdvo_set_target_input_args targets = {0};
 575         return intel_sdvo_set_value(intel_sdvo,
 576                                     SDVO_CMD_SET_TARGET_INPUT,
 577                                     &targets, sizeof(targets));
 578 }
 579
 580 /**
 581  * Return whether each input is trained.
 582  *
 583  * This function is making an assumption about the layout of the response,
 584  * which should be checked against the docs.
 585  */
 586 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
 587 {
 588         struct intel_sdvo_get_trained_inputs_response response;
 589
 590         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
 591                                   &response, sizeof(response)))
 592                 return false;
 593
 594         *input_1 = response.input0_trained;
 595         *input_2 = response.input1_trained;
 596         return true;
 597 }
 598
 599 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
 600                                           u16 outputs)
 601 {
 602         return intel_sdvo_set_value(intel_sdvo,
 603                                     SDVO_CMD_SET_ACTIVE_OUTPUTS,
 604                                     &outputs, sizeof(outputs));
 605 }
 606
 607 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
 608                                                int mode)
 609 {
 610         u8 state = SDVO_ENCODER_STATE_ON;
 611
 612         switch (mode) {
 613         case DRM_MODE_DPMS_ON:
 614                 state = SDVO_ENCODER_STATE_ON;
 615                 break;
 616         case DRM_MODE_DPMS_STANDBY:
 617                 state = SDVO_ENCODER_STATE_STANDBY;
 618                 break;
 619         case DRM_MODE_DPMS_SUSPEND:
 620                 state = SDVO_ENCODER_STATE_SUSPEND;
 621                 break;
 622         case DRM_MODE_DPMS_OFF:
 623                 state = SDVO_ENCODER_STATE_OFF;
 624                 break;
 625         }
 626
 627         return intel_sdvo_set_value(intel_sdvo,
 628                                     SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
 629 }
 630
 631 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
 632                                                    int *clock_min,
 633                                                    int *clock_max)
 634 {
 635         struct intel_sdvo_pixel_clock_range clocks;
 636
 637         if (!intel_sdvo_get_value(intel_sdvo,
 638                                   SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
 639                                   &clocks, sizeof(clocks)))
 640                 return false;
 641
 642         /* Convert the values from units of 10 kHz to kHz. */
 643         *clock_min = clocks.min * 10;
 644         *clock_max = clocks.max * 10;
 645         return true;
 646 }
 647
 648 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
 649                                          u16 outputs)
 650 {
 651         return intel_sdvo_set_value(intel_sdvo,
 652                                     SDVO_CMD_SET_TARGET_OUTPUT,
 653                                     &outputs, sizeof(outputs));
 654 }
 655
 656 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
 657                                   struct intel_sdvo_dtd *dtd)
 658 {
 659         return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
 660                 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
 661 }
 662
 663 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
 664                                          struct intel_sdvo_dtd *dtd)
 665 {
 666         return intel_sdvo_set_timing(intel_sdvo,
 667                                      SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
 668 }
 669
 670 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
 671                                          struct intel_sdvo_dtd *dtd)
 672 {
 673         return intel_sdvo_set_timing(intel_sdvo,
 674                                      SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
 675 }
 676
 677 static bool
 678 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 679                                          uint16_t clock,
 680                                          uint16_t width,
 681                                          uint16_t height)
 682 {
 683         struct intel_sdvo_preferred_input_timing_args args;
 684
 685         memset(&args, 0, sizeof(args));
 686         args.clock = clock;
 687         args.width = width;
 688         args.height = height;
 689         args.interlace = 0;
 690
 691         if (intel_sdvo->is_lvds &&
 692            (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
 693             intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
 694                 args.scaled = 1;
 695
 696         return intel_sdvo_set_value(intel_sdvo,
 697                                     SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
 698                                     &args, sizeof(args));
 699 }
 700
 701 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 702                                                   struct intel_sdvo_dtd *dtd)
 703 {
 704         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
 705                                     &dtd->part1, sizeof(dtd->part1)) &&
 706                 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
 707                                      &dtd->part2, sizeof(dtd->part2));
 708 }
 709
 710 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
 711 {
 712         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
 713 }
 714
 715 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
 716                                          const struct drm_display_mode *mode)
 717 {
 718         uint16_t width, height;
 719         uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
 720         uint16_t h_sync_offset, v_sync_offset;
 721
 722         width = mode->crtc_hdisplay;
 723         height = mode->crtc_vdisplay;
 724
 725         /* do some mode translations */
 726         h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
 727         h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
 728
 729         v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
 730         v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
 731
 732         h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
 733         v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
 734
 735         dtd->part1.clock = mode->clock / 10;
 736         dtd->part1.h_active = width & 0xff;
 737         dtd->part1.h_blank = h_blank_len & 0xff;
 738         dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
 739                 ((h_blank_len >> 8) & 0xf);
 740         dtd->part1.v_active = height & 0xff;
 741         dtd->part1.v_blank = v_blank_len & 0xff;
 742         dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
 743                 ((v_blank_len >> 8) & 0xf);
 744
 745         dtd->part2.h_sync_off = h_sync_offset & 0xff;
 746         dtd->part2.h_sync_width = h_sync_len & 0xff;
 747         dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
 748                 (v_sync_len & 0xf);
 749         dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
 750                 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
 751                 ((v_sync_len & 0x30) >> 4);
 752
 753         dtd->part2.dtd_flags = 0x18;
 754         if (mode->flags & DRM_MODE_FLAG_PHSYNC)
 755                 dtd->part2.dtd_flags |= 0x2;
 756         if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 757                 dtd->part2.dtd_flags |= 0x4;
 758
 759         dtd->part2.sdvo_flags = 0;
 760         dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
 761         dtd->part2.reserved = 0;
 762 }
 763
 764 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
 765                                          const struct intel_sdvo_dtd *dtd)
 766 {
 767         mode->hdisplay = dtd->part1.h_active;
 768         mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
 769         mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
 770         mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
 771         mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
 772         mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
 773         mode->htotal = mode->hdisplay + dtd->part1.h_blank;
 774         mode->htotal += (dtd->part1.h_high & 0xf) << 8;
 775
 776         mode->vdisplay = dtd->part1.v_active;
 777         mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
 778         mode->vsync_start = mode->vdisplay;
 779         mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
 780         mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
 781         mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
 782         mode->vsync_end = mode->vsync_start +
 783                 (dtd->part2.v_sync_off_width & 0xf);
 784         mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
 785         mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
 786         mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
 787
 788         mode->clock = dtd->part1.clock * 10;
 789
 790         mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
 791         if (dtd->part2.dtd_flags & 0x2)
 792                 mode->flags |= DRM_MODE_FLAG_PHSYNC;
 793         if (dtd->part2.dtd_flags & 0x4)
 794                 mode->flags |= DRM_MODE_FLAG_PVSYNC;
 795 }
 796
 797 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
 798 {
 799         struct intel_sdvo_encode encode;
 800
 801         return intel_sdvo_get_value(intel_sdvo,
 802                                   SDVO_CMD_GET_SUPP_ENCODE,
 803                                   &encode, sizeof(encode));
 804 }
 805
 806 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
 807                                   uint8_t mode)
 808 {
 809         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
 810 }
 811
 812 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
 813                                        uint8_t mode)
 814 {
 815         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
 816 }
 817
 818 #if 0
 819 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
 820 {
 821         int i, j;
 822         uint8_t set_buf_index[2];
 823         uint8_t av_split;
 824         uint8_t buf_size;
 825         uint8_t buf[48];
 826         uint8_t *pos;
 827
 828         intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
 829
 830         for (i = 0; i <= av_split; i++) {
 831                 set_buf_index[0] = i; set_buf_index[1] = 0;
 832                 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
 833                                      set_buf_index, 2);
 834                 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
 835                 intel_sdvo_read_response(encoder, &buf_size, 1);
 836
 837                 pos = buf;
 838                 for (j = 0; j <= buf_size; j += 8) {
 839                         intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
 840                                              NULL, 0);
 841                         intel_sdvo_read_response(encoder, pos, 8);
 842                         pos += 8;
 843                 }
 844         }
 845 }
 846 #endif
 847
 848 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
 849 {
 850         struct dip_infoframe avi_if = {
 851                 .type = DIP_TYPE_AVI,
 852                 .ver = DIP_VERSION_AVI,
 853                 .len = DIP_LEN_AVI,
 854         };
 855         uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
 856         uint8_t set_buf_index[2] = { 1, 0 };
 857         uint64_t *data = (uint64_t *)&avi_if;
 858         unsigned i;
 859
 860         intel_dip_infoframe_csum(&avi_if);
 861
 862         if (!intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_HBUF_INDEX,
 863                                   set_buf_index, 2))
 864                 return false;
 865
 866         for (i = 0; i < sizeof(avi_if); i += 8) {
 867                 if (!intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_HBUF_DATA,
 868                                           data, 8))
 869                         return false;
 870                 data++;
 871         }
 872
 873         return intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_HBUF_TXRATE,
 874                                     &tx_rate, 1);
 875 }
 876
 877 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
 878 {
 879         struct intel_sdvo_tv_format format;
 880         uint32_t format_map;
 881
 882         format_map = 1 << intel_sdvo->tv_format_index;
 883         memset(&format, 0, sizeof(format));
 884         memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
 885
 886         BUILD_BUG_ON(sizeof(format) != 6);
 887         return intel_sdvo_set_value(intel_sdvo,
 888                                     SDVO_CMD_SET_TV_FORMAT,
 889                                     &format, sizeof(format));
 890 }
 891
 892 static bool
 893 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
 894                                         struct drm_display_mode *mode)
 895 {
 896         struct intel_sdvo_dtd output_dtd;
 897
 898         if (!intel_sdvo_set_target_output(intel_sdvo,
 899                                           intel_sdvo->attached_output))
 900                 return false;
 901
 902         intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
 903         if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
 904                 return false;
 905
 906         return true;
 907 }
 908
 909 static bool
 910 intel_sdvo_set_input_timings_for_mode(struct intel_sdvo *intel_sdvo,
 911                                         struct drm_display_mode *mode,
 912                                         struct drm_display_mode *adjusted_mode)
 913 {
 914         /* Reset the input timing to the screen. Assume always input 0. */
 915         if (!intel_sdvo_set_target_input(intel_sdvo))
 916                 return false;
 917
 918         if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
 919                                                       mode->clock / 10,
 920                                                       mode->hdisplay,
 921                                                       mode->vdisplay))
 922                 return false;
 923
 924         if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
 925                                                    &intel_sdvo->input_dtd))
 926                 return false;
 927
 928         intel_sdvo_get_mode_from_dtd(adjusted_mode, &intel_sdvo->input_dtd);
 929
 930         drm_mode_set_crtcinfo(adjusted_mode, 0);
 931         return true;
 932 }
 933
 934 static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
 935                                   struct drm_display_mode *mode,
 936                                   struct drm_display_mode *adjusted_mode)
 937 {
 938         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
 939         int multiplier;
 940
 941         /* We need to construct preferred input timings based on our
 942          * output timings.  To do that, we have to set the output
 943          * timings, even though this isn't really the right place in
 944          * the sequence to do it. Oh well.
 945          */
 946         if (intel_sdvo->is_tv) {
 947                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
 948                         return false;
 949
 950                 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
 951                                                              mode,
 952                                                              adjusted_mode);
 953         } else if (intel_sdvo->is_lvds) {
 954                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
 955                                                              intel_sdvo->sdvo_lvds_fixed_mode))
 956                         return false;
 957
 958                 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
 959                                                              mode,
 960                                                              adjusted_mode);
 961         }
 962
 963         /* Make the CRTC code factor in the SDVO pixel multiplier.  The
 964          * SDVO device will factor out the multiplier during mode_set.
 965          */
 966         multiplier = intel_sdvo_get_pixel_multiplier(adjusted_mode);
 967         intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
 968
 969         return true;
 970 }
 971
 972 static void intel_sdvo_mode_set(struct drm_encoder *encoder,
 973                                 struct drm_display_mode *mode,
 974                                 struct drm_display_mode *adjusted_mode)
 975 {
 976         struct drm_device *dev = encoder->dev;
 977         struct drm_i915_private *dev_priv = dev->dev_private;
 978         struct drm_crtc *crtc = encoder->crtc;
 979         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 980         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
 981         u32 sdvox;
 982         struct intel_sdvo_in_out_map in_out;
 983         struct intel_sdvo_dtd input_dtd;
 984         int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
 985         int rate;
 986
 987         if (!mode)
 988                 return;
 989
 990         /* First, set the input mapping for the first input to our controlled
 991          * output. This is only correct if we're a single-input device, in
 992          * which case the first input is the output from the appropriate SDVO
 993          * channel on the motherboard.  In a two-input device, the first input
 994          * will be SDVOB and the second SDVOC.
 995          */
 996         in_out.in0 = intel_sdvo->attached_output;
 997         in_out.in1 = 0;
 998
 999         intel_sdvo_set_value(intel_sdvo,
1000                              SDVO_CMD_SET_IN_OUT_MAP,
1001                              &in_out, sizeof(in_out));
1002
1003         /* Set the output timings to the screen */
1004         if (!intel_sdvo_set_target_output(intel_sdvo,
1005                                           intel_sdvo->attached_output))
1006                 return;
1007
1008         /* We have tried to get input timing in mode_fixup, and filled into
1009          * adjusted_mode.
1010          */
1011         if (intel_sdvo->is_tv || intel_sdvo->is_lvds) {
1012                 input_dtd = intel_sdvo->input_dtd;
1013         } else {
1014                 /* Set the output timing to the screen */
1015                 if (!intel_sdvo_set_target_output(intel_sdvo,
1016                                                   intel_sdvo->attached_output))
1017                         return;
1018
1019                 intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1020                 (void) intel_sdvo_set_output_timing(intel_sdvo, &input_dtd);
1021         }
1022
1023         /* Set the input timing to the screen. Assume always input 0. */
1024         if (!intel_sdvo_set_target_input(intel_sdvo))
1025                 return;
1026
1027         if (intel_sdvo->has_hdmi_monitor &&
1028             !intel_sdvo_set_avi_infoframe(intel_sdvo))
1029                 return;
1030
1031         if (intel_sdvo->is_tv &&
1032             !intel_sdvo_set_tv_format(intel_sdvo))
1033                 return;
1034
1035         (void) intel_sdvo_set_input_timing(intel_sdvo, &input_dtd);
1036
1037         switch (pixel_multiplier) {
1038         default:
1039         case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1040         case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1041         case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1042         }
1043         if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1044                 return;
1045
1046         /* Set the SDVO control regs. */
1047         if (INTEL_INFO(dev)->gen >= 4) {
1048                 sdvox = SDVO_BORDER_ENABLE;
1049                 if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
1050                         sdvox |= SDVO_VSYNC_ACTIVE_HIGH;
1051                 if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
1052                         sdvox |= SDVO_HSYNC_ACTIVE_HIGH;
1053         } else {
1054                 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1055                 switch (intel_sdvo->sdvo_reg) {
1056                 case SDVOB:
1057                         sdvox &= SDVOB_PRESERVE_MASK;
1058                         break;
1059                 case SDVOC:
1060                         sdvox &= SDVOC_PRESERVE_MASK;
1061                         break;
1062                 }
1063                 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1064         }
1065         if (intel_crtc->pipe == 1)
1066                 sdvox |= SDVO_PIPE_B_SELECT;
1067         if (intel_sdvo->has_hdmi_audio)
1068                 sdvox |= SDVO_AUDIO_ENABLE;
1069
1070         if (INTEL_INFO(dev)->gen >= 4) {
1071                 /* done in crtc_mode_set as the dpll_md reg must be written early */
1072         } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1073                 /* done in crtc_mode_set as it lives inside the dpll register */
1074         } else {
1075                 sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1076         }
1077
1078         if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL)
1079                 sdvox |= SDVO_STALL_SELECT;
1080         intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1081 }
1082
1083 static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1084 {
1085         struct drm_device *dev = encoder->dev;
1086         struct drm_i915_private *dev_priv = dev->dev_private;
1087         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1088         struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
1089         u32 temp;
1090
1091         if (mode != DRM_MODE_DPMS_ON) {
1092                 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1093                 if (0)
1094                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1095
1096                 if (mode == DRM_MODE_DPMS_OFF) {
1097                         temp = I915_READ(intel_sdvo->sdvo_reg);
1098                         if ((temp & SDVO_ENABLE) != 0) {
1099                                 intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
1100                         }
1101                 }
1102         } else {
1103                 bool input1, input2;
1104                 int i;
1105                 u8 status;
1106
1107                 temp = I915_READ(intel_sdvo->sdvo_reg);
1108                 if ((temp & SDVO_ENABLE) == 0)
1109                         intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
1110                 for (i = 0; i < 2; i++)
1111                         intel_wait_for_vblank(dev, intel_crtc->pipe);
1112
1113                 status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1114                 /* Warn if the device reported failure to sync.
1115                  * A lot of SDVO devices fail to notify of sync, but it's
1116                  * a given it the status is a success, we succeeded.
1117                  */
1118                 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1119                         DRM_DEBUG_KMS("First %s output reported failure to "
1120                                         "sync\n", SDVO_NAME(intel_sdvo));
1121                 }
1122
1123                 if (0)
1124                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1125                 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1126         }
1127         return;
1128 }
1129
1130 static int intel_sdvo_mode_valid(struct drm_connector *connector,
1131                                  struct drm_display_mode *mode)
1132 {
1133         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1134
1135         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1136                 return MODE_NO_DBLESCAN;
1137
1138         if (intel_sdvo->pixel_clock_min > mode->clock)
1139                 return MODE_CLOCK_LOW;
1140
1141         if (intel_sdvo->pixel_clock_max < mode->clock)
1142                 return MODE_CLOCK_HIGH;
1143
1144         if (intel_sdvo->is_lvds) {
1145                 if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1146                         return MODE_PANEL;
1147
1148                 if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1149                         return MODE_PANEL;
1150         }
1151
1152         return MODE_OK;
1153 }
1154
1155 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1156 {
1157         if (!intel_sdvo_get_value(intel_sdvo,
1158                                   SDVO_CMD_GET_DEVICE_CAPS,
1159                                   caps, sizeof(*caps)))
1160                 return false;
1161
1162         DRM_DEBUG_KMS("SDVO capabilities:\n"
1163                       "  vendor_id: %d\n"
1164                       "  device_id: %d\n"
1165                       "  device_rev_id: %d\n"
1166                       "  sdvo_version_major: %d\n"
1167                       "  sdvo_version_minor: %d\n"
1168                       "  sdvo_inputs_mask: %d\n"
1169                       "  smooth_scaling: %d\n"
1170                       "  sharp_scaling: %d\n"
1171                       "  up_scaling: %d\n"
1172                       "  down_scaling: %d\n"
1173                       "  stall_support: %d\n"
1174                       "  output_flags: %d\n",
1175                       caps->vendor_id,
1176                       caps->device_id,
1177                       caps->device_rev_id,
1178                       caps->sdvo_version_major,
1179                       caps->sdvo_version_minor,
1180                       caps->sdvo_inputs_mask,
1181                       caps->smooth_scaling,
1182                       caps->sharp_scaling,
1183                       caps->up_scaling,
1184                       caps->down_scaling,
1185                       caps->stall_support,
1186                       caps->output_flags);
1187
1188         return true;
1189 }
1190
1191 /* No use! */
1192 #if 0
1193 struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB)
1194 {
1195         struct drm_connector *connector = NULL;
1196         struct intel_sdvo *iout = NULL;
1197         struct intel_sdvo *sdvo;
1198
1199         /* find the sdvo connector */
1200         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1201                 iout = to_intel_sdvo(connector);
1202
1203                 if (iout->type != INTEL_OUTPUT_SDVO)
1204                         continue;
1205
1206                 sdvo = iout->dev_priv;
1207
1208                 if (sdvo->sdvo_reg == SDVOB && sdvoB)
1209                         return connector;
1210
1211                 if (sdvo->sdvo_reg == SDVOC && !sdvoB)
1212                         return connector;
1213
1214         }
1215
1216         return NULL;
1217 }
1218
1219 int intel_sdvo_supports_hotplug(struct drm_connector *connector)
1220 {
1221         u8 response[2];
1222         u8 status;
1223         struct intel_sdvo *intel_sdvo;
1224         DRM_DEBUG_KMS("\n");
1225
1226         if (!connector)
1227                 return 0;
1228
1229         intel_sdvo = to_intel_sdvo(connector);
1230
1231         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1232                                     &response, 2) && response[0];
1233 }
1234
1235 void intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
1236 {
1237         u8 response[2];
1238         u8 status;
1239         struct intel_sdvo *intel_sdvo = to_intel_sdvo(connector);
1240
1241         intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1242         intel_sdvo_read_response(intel_sdvo, &response, 2);
1243
1244         if (on) {
1245                 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
1246                 status = intel_sdvo_read_response(intel_sdvo, &response, 2);
1247
1248                 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1249         } else {
1250                 response[0] = 0;
1251                 response[1] = 0;
1252                 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1253         }
1254
1255         intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1256         intel_sdvo_read_response(intel_sdvo, &response, 2);
1257 }
1258 #endif
1259
1260 static bool
1261 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1262 {
1263         int caps = 0;
1264
1265         if (intel_sdvo->caps.output_flags &
1266                 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
1267                 caps++;
1268         if (intel_sdvo->caps.output_flags &
1269                 (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1))
1270                 caps++;
1271         if (intel_sdvo->caps.output_flags &
1272                 (SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_SVID1))
1273                 caps++;
1274         if (intel_sdvo->caps.output_flags &
1275                 (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_CVBS1))
1276                 caps++;
1277         if (intel_sdvo->caps.output_flags &
1278                 (SDVO_OUTPUT_YPRPB0 | SDVO_OUTPUT_YPRPB1))
1279                 caps++;
1280
1281         if (intel_sdvo->caps.output_flags &
1282                 (SDVO_OUTPUT_SCART0 | SDVO_OUTPUT_SCART1))
1283                 caps++;
1284
1285         if (intel_sdvo->caps.output_flags &
1286                 (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1))
1287                 caps++;
1288
1289         return (caps > 1);
1290 }
1291
1292 static struct edid *
1293 intel_sdvo_get_edid(struct drm_connector *connector)
1294 {
1295         struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
1296         return drm_get_edid(connector, &sdvo->ddc);
1297 }
1298
1299 static struct drm_connector *
1300 intel_find_analog_connector(struct drm_device *dev)
1301 {
1302         struct drm_connector *connector;
1303         struct intel_sdvo *encoder;
1304
1305         list_for_each_entry(encoder,
1306                             &dev->mode_config.encoder_list,
1307                             base.base.head) {
1308                 if (encoder->base.type == INTEL_OUTPUT_ANALOG) {
1309                         list_for_each_entry(connector,
1310                                             &dev->mode_config.connector_list,
1311                                             head) {
1312                                 if (&encoder->base ==
1313                                     intel_attached_encoder(connector))
1314                                         return connector;
1315                         }
1316                 }
1317         }
1318
1319         return NULL;
1320 }
1321
1322 static int
1323 intel_analog_is_connected(struct drm_device *dev)
1324 {
1325         struct drm_connector *analog_connector;
1326
1327         analog_connector = intel_find_analog_connector(dev);
1328         if (!analog_connector)
1329                 return false;
1330
1331         if (analog_connector->funcs->detect(analog_connector, false) ==
1332                         connector_status_disconnected)
1333                 return false;
1334
1335         return true;
1336 }
1337
1338 /* Mac mini hack -- use the same DDC as the analog connector */
1339 static struct edid *
1340 intel_sdvo_get_analog_edid(struct drm_connector *connector)
1341 {
1342         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1343
1344         if (!intel_analog_is_connected(connector->dev))
1345                 return NULL;
1346
1347         return drm_get_edid(connector, &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
1348 }
1349
1350 enum drm_connector_status
1351 intel_sdvo_hdmi_sink_detect(struct drm_connector *connector)
1352 {
1353         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1354         enum drm_connector_status status;
1355         struct edid *edid;
1356
1357         edid = intel_sdvo_get_edid(connector);
1358
1359         if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1360                 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1361
1362                 /*
1363                  * Don't use the 1 as the argument of DDC bus switch to get
1364                  * the EDID. It is used for SDVO SPD ROM.
1365                  */
1366                 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1367                         intel_sdvo->ddc_bus = ddc;
1368                         edid = intel_sdvo_get_edid(connector);
1369                         if (edid)
1370                                 break;
1371                 }
1372                 /*
1373                  * If we found the EDID on the other bus,
1374                  * assume that is the correct DDC bus.
1375                  */
1376                 if (edid == NULL)
1377                         intel_sdvo->ddc_bus = saved_ddc;
1378         }
1379
1380         /*
1381          * When there is no edid and no monitor is connected with VGA
1382          * port, try to use the CRT ddc to read the EDID for DVI-connector.
1383          */
1384         if (edid == NULL)
1385                 edid = intel_sdvo_get_analog_edid(connector);
1386
1387         status = connector_status_unknown;
1388         if (edid != NULL) {
1389                 /* DDC bus is shared, match EDID to connector type */
1390                 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1391                         status = connector_status_connected;
1392                         if (intel_sdvo->is_hdmi) {
1393                                 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1394                                 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1395                         }
1396                 }
1397                 connector->display_info.raw_edid = NULL;
1398                 kfree(edid);
1399         }
1400
1401         if (status == connector_status_connected) {
1402                 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1403                 if (intel_sdvo_connector->force_audio)
1404                         intel_sdvo->has_hdmi_audio = intel_sdvo_connector->force_audio > 0;
1405         }
1406
1407         return status;
1408 }
1409
1410 static enum drm_connector_status
1411 intel_sdvo_detect(struct drm_connector *connector, bool force)
1412 {
1413         uint16_t response;
1414         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1415         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1416         enum drm_connector_status ret;
1417
1418         if (!intel_sdvo_write_cmd(intel_sdvo,
1419                                   SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
1420                 return connector_status_unknown;
1421         if (intel_sdvo->is_tv) {
1422                 /* add 30ms delay when the output type is SDVO-TV */
1423                 mdelay(30);
1424         }
1425         if (!intel_sdvo_read_response(intel_sdvo, &response, 2))
1426                 return connector_status_unknown;
1427
1428         DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1429                       response & 0xff, response >> 8,
1430                       intel_sdvo_connector->output_flag);
1431
1432         if (response == 0)
1433                 return connector_status_disconnected;
1434
1435         intel_sdvo->attached_output = response;
1436
1437         if ((intel_sdvo_connector->output_flag & response) == 0)
1438                 ret = connector_status_disconnected;
1439         else if (response & SDVO_TMDS_MASK)
1440                 ret = intel_sdvo_hdmi_sink_detect(connector);
1441         else
1442                 ret = connector_status_connected;
1443
1444         /* May update encoder flag for like clock for SDVO TV, etc.*/
1445         if (ret == connector_status_connected) {
1446                 intel_sdvo->is_tv = false;
1447                 intel_sdvo->is_lvds = false;
1448                 intel_sdvo->base.needs_tv_clock = false;
1449
1450                 if (response & SDVO_TV_MASK) {
1451                         intel_sdvo->is_tv = true;
1452                         intel_sdvo->base.needs_tv_clock = true;
1453                 }
1454                 if (response & SDVO_LVDS_MASK)
1455                         intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1456         }
1457
1458         return ret;
1459 }
1460
1461 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1462 {
1463         struct edid *edid;
1464
1465         /* set the bus switch and get the modes */
1466         edid = intel_sdvo_get_edid(connector);
1467
1468         /*
1469          * Mac mini hack.  On this device, the DVI-I connector shares one DDC
1470          * link between analog and digital outputs. So, if the regular SDVO
1471          * DDC fails, check to see if the analog output is disconnected, in
1472          * which case we'll look there for the digital DDC data.
1473          */
1474         if (edid == NULL)
1475                 edid = intel_sdvo_get_analog_edid(connector);
1476
1477         if (edid != NULL) {
1478                 drm_mode_connector_update_edid_property(connector, edid);
1479                 drm_add_edid_modes(connector, edid);
1480                 connector->display_info.raw_edid = NULL;
1481                 kfree(edid);
1482         }
1483 }
1484
1485 /*
1486  * Set of SDVO TV modes.
1487  * Note!  This is in reply order (see loop in get_tv_modes).
1488  * XXX: all 60Hz refresh?
1489  */
1490 struct drm_display_mode sdvo_tv_modes[] = {
1491         { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1492                    416, 0, 200, 201, 232, 233, 0,
1493                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1494         { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1495                    416, 0, 240, 241, 272, 273, 0,
1496                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1497         { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1498                    496, 0, 300, 301, 332, 333, 0,
1499                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1500         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1501                    736, 0, 350, 351, 382, 383, 0,
1502                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1503         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1504                    736, 0, 400, 401, 432, 433, 0,
1505                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1506         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1507                    736, 0, 480, 481, 512, 513, 0,
1508                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1509         { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1510                    800, 0, 480, 481, 512, 513, 0,
1511                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1512         { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1513                    800, 0, 576, 577, 608, 609, 0,
1514                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1515         { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1516                    816, 0, 350, 351, 382, 383, 0,
1517                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1518         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1519                    816, 0, 400, 401, 432, 433, 0,
1520                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1521         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1522                    816, 0, 480, 481, 512, 513, 0,
1523                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1524         { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1525                    816, 0, 540, 541, 572, 573, 0,
1526                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1527         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1528                    816, 0, 576, 577, 608, 609, 0,
1529                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1530         { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1531                    864, 0, 576, 577, 608, 609, 0,
1532                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1533         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1534                    896, 0, 600, 601, 632, 633, 0,
1535                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1536         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1537                    928, 0, 624, 625, 656, 657, 0,
1538                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1539         { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1540                    1016, 0, 766, 767, 798, 799, 0,
1541                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1542         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1543                    1120, 0, 768, 769, 800, 801, 0,
1544                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1545         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1546                    1376, 0, 1024, 1025, 1056, 1057, 0,
1547                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1548 };
1549
1550 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1551 {
1552         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1553         struct intel_sdvo_sdtv_resolution_request tv_res;
1554         uint32_t reply = 0, format_map = 0;
1555         int i;
1556
1557         /* Read the list of supported input resolutions for the selected TV
1558          * format.
1559          */
1560         format_map = 1 << intel_sdvo->tv_format_index;
1561         memcpy(&tv_res, &format_map,
1562                min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1563
1564         if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1565                 return;
1566
1567         BUILD_BUG_ON(sizeof(tv_res) != 3);
1568         if (!intel_sdvo_write_cmd(intel_sdvo,
1569                                   SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1570                                   &tv_res, sizeof(tv_res)))
1571                 return;
1572         if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1573                 return;
1574
1575         for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1576                 if (reply & (1 << i)) {
1577                         struct drm_display_mode *nmode;
1578                         nmode = drm_mode_duplicate(connector->dev,
1579                                                    &sdvo_tv_modes[i]);
1580                         if (nmode)
1581                                 drm_mode_probed_add(connector, nmode);
1582                 }
1583 }
1584
1585 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1586 {
1587         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1588         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1589         struct drm_display_mode *newmode;
1590
1591         /*
1592          * Attempt to get the mode list from DDC.
1593          * Assume that the preferred modes are
1594          * arranged in priority order.
1595          */
1596         intel_ddc_get_modes(connector, intel_sdvo->i2c);
1597         if (list_empty(&connector->probed_modes) == false)
1598                 goto end;
1599
1600         /* Fetch modes from VBT */
1601         if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1602                 newmode = drm_mode_duplicate(connector->dev,
1603                                              dev_priv->sdvo_lvds_vbt_mode);
1604                 if (newmode != NULL) {
1605                         /* Guarantee the mode is preferred */
1606                         newmode->type = (DRM_MODE_TYPE_PREFERRED |
1607                                          DRM_MODE_TYPE_DRIVER);
1608                         drm_mode_probed_add(connector, newmode);
1609                 }
1610         }
1611
1612 end:
1613         list_for_each_entry(newmode, &connector->probed_modes, head) {
1614                 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1615                         intel_sdvo->sdvo_lvds_fixed_mode =
1616                                 drm_mode_duplicate(connector->dev, newmode);
1617
1618                         drm_mode_set_crtcinfo(intel_sdvo->sdvo_lvds_fixed_mode,
1619                                               0);
1620
1621                         intel_sdvo->is_lvds = true;
1622                         break;
1623                 }
1624         }
1625
1626 }
1627
1628 static int intel_sdvo_get_modes(struct drm_connector *connector)
1629 {
1630         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1631
1632         if (IS_TV(intel_sdvo_connector))
1633                 intel_sdvo_get_tv_modes(connector);
1634         else if (IS_LVDS(intel_sdvo_connector))
1635                 intel_sdvo_get_lvds_modes(connector);
1636         else
1637                 intel_sdvo_get_ddc_modes(connector);
1638
1639         return !list_empty(&connector->probed_modes);
1640 }
1641
1642 static void
1643 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1644 {
1645         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1646         struct drm_device *dev = connector->dev;
1647
1648         if (intel_sdvo_connector->left)
1649                 drm_property_destroy(dev, intel_sdvo_connector->left);
1650         if (intel_sdvo_connector->right)
1651                 drm_property_destroy(dev, intel_sdvo_connector->right);
1652         if (intel_sdvo_connector->top)
1653                 drm_property_destroy(dev, intel_sdvo_connector->top);
1654         if (intel_sdvo_connector->bottom)
1655                 drm_property_destroy(dev, intel_sdvo_connector->bottom);
1656         if (intel_sdvo_connector->hpos)
1657                 drm_property_destroy(dev, intel_sdvo_connector->hpos);
1658         if (intel_sdvo_connector->vpos)
1659                 drm_property_destroy(dev, intel_sdvo_connector->vpos);
1660         if (intel_sdvo_connector->saturation)
1661                 drm_property_destroy(dev, intel_sdvo_connector->saturation);
1662         if (intel_sdvo_connector->contrast)
1663                 drm_property_destroy(dev, intel_sdvo_connector->contrast);
1664         if (intel_sdvo_connector->hue)
1665                 drm_property_destroy(dev, intel_sdvo_connector->hue);
1666         if (intel_sdvo_connector->sharpness)
1667                 drm_property_destroy(dev, intel_sdvo_connector->sharpness);
1668         if (intel_sdvo_connector->flicker_filter)
1669                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
1670         if (intel_sdvo_connector->flicker_filter_2d)
1671                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
1672         if (intel_sdvo_connector->flicker_filter_adaptive)
1673                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
1674         if (intel_sdvo_connector->tv_luma_filter)
1675                 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
1676         if (intel_sdvo_connector->tv_chroma_filter)
1677                 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
1678         if (intel_sdvo_connector->dot_crawl)
1679                 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
1680         if (intel_sdvo_connector->brightness)
1681                 drm_property_destroy(dev, intel_sdvo_connector->brightness);
1682 }
1683
1684 static void intel_sdvo_destroy(struct drm_connector *connector)
1685 {
1686         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1687
1688         if (intel_sdvo_connector->tv_format)
1689                 drm_property_destroy(connector->dev,
1690                                      intel_sdvo_connector->tv_format);
1691
1692         intel_sdvo_destroy_enhance_property(connector);
1693         drm_sysfs_connector_remove(connector);
1694         drm_connector_cleanup(connector);
1695         kfree(connector);
1696 }
1697
1698 static int
1699 intel_sdvo_set_property(struct drm_connector *connector,
1700                         struct drm_property *property,
1701                         uint64_t val)
1702 {
1703         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1704         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
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 == intel_sdvo_connector->force_audio_property) {
1714                 if (val == intel_sdvo_connector->force_audio)
1715                         return 0;
1716
1717                 intel_sdvo_connector->force_audio = val;
1718
1719                 if (val > 0 && intel_sdvo->has_hdmi_audio)
1720                         return 0;
1721                 if (val < 0 && !intel_sdvo->has_hdmi_audio)
1722                         return 0;
1723
1724                 intel_sdvo->has_hdmi_audio = val > 0;
1725                 goto done;
1726         }
1727
1728 #define CHECK_PROPERTY(name, NAME) \
1729         if (intel_sdvo_connector->name == property) { \
1730                 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
1731                 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1732                 cmd = SDVO_CMD_SET_##NAME; \
1733                 intel_sdvo_connector->cur_##name = temp_value; \
1734                 goto set_value; \
1735         }
1736
1737         if (property == intel_sdvo_connector->tv_format) {
1738                 if (val >= TV_FORMAT_NUM)
1739                         return -EINVAL;
1740
1741                 if (intel_sdvo->tv_format_index ==
1742                     intel_sdvo_connector->tv_format_supported[val])
1743                         return 0;
1744
1745                 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
1746                 goto done;
1747         } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
1748                 temp_value = val;
1749                 if (intel_sdvo_connector->left == property) {
1750                         drm_connector_property_set_value(connector,
1751                                                          intel_sdvo_connector->right, val);
1752                         if (intel_sdvo_connector->left_margin == temp_value)
1753                                 return 0;
1754
1755                         intel_sdvo_connector->left_margin = temp_value;
1756                         intel_sdvo_connector->right_margin = temp_value;
1757                         temp_value = intel_sdvo_connector->max_hscan -
1758                                 intel_sdvo_connector->left_margin;
1759                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1760                         goto set_value;
1761                 } else if (intel_sdvo_connector->right == property) {
1762                         drm_connector_property_set_value(connector,
1763                                                          intel_sdvo_connector->left, val);
1764                         if (intel_sdvo_connector->right_margin == temp_value)
1765                                 return 0;
1766
1767                         intel_sdvo_connector->left_margin = temp_value;
1768                         intel_sdvo_connector->right_margin = temp_value;
1769                         temp_value = intel_sdvo_connector->max_hscan -
1770                                 intel_sdvo_connector->left_margin;
1771                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1772                         goto set_value;
1773                 } else if (intel_sdvo_connector->top == property) {
1774                         drm_connector_property_set_value(connector,
1775                                                          intel_sdvo_connector->bottom, val);
1776                         if (intel_sdvo_connector->top_margin == temp_value)
1777                                 return 0;
1778
1779                         intel_sdvo_connector->top_margin = temp_value;
1780                         intel_sdvo_connector->bottom_margin = temp_value;
1781                         temp_value = intel_sdvo_connector->max_vscan -
1782                                 intel_sdvo_connector->top_margin;
1783                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1784                         goto set_value;
1785                 } else if (intel_sdvo_connector->bottom == property) {
1786                         drm_connector_property_set_value(connector,
1787                                                          intel_sdvo_connector->top, val);
1788                         if (intel_sdvo_connector->bottom_margin == temp_value)
1789                                 return 0;
1790
1791                         intel_sdvo_connector->top_margin = temp_value;
1792                         intel_sdvo_connector->bottom_margin = temp_value;
1793                         temp_value = intel_sdvo_connector->max_vscan -
1794                                 intel_sdvo_connector->top_margin;
1795                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1796                         goto set_value;
1797                 }
1798                 CHECK_PROPERTY(hpos, HPOS)
1799                 CHECK_PROPERTY(vpos, VPOS)
1800                 CHECK_PROPERTY(saturation, SATURATION)
1801                 CHECK_PROPERTY(contrast, CONTRAST)
1802                 CHECK_PROPERTY(hue, HUE)
1803                 CHECK_PROPERTY(brightness, BRIGHTNESS)
1804                 CHECK_PROPERTY(sharpness, SHARPNESS)
1805                 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1806                 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1807                 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1808                 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1809                 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1810                 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1811         }
1812
1813         return -EINVAL; /* unknown property */
1814
1815 set_value:
1816         if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
1817                 return -EIO;
1818
1819
1820 done:
1821         if (intel_sdvo->base.base.crtc) {
1822                 struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
1823                 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1824                                          crtc->y, crtc->fb);
1825         }
1826
1827         return 0;
1828 #undef CHECK_PROPERTY
1829 }
1830
1831 static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
1832         .dpms = intel_sdvo_dpms,
1833         .mode_fixup = intel_sdvo_mode_fixup,
1834         .prepare = intel_encoder_prepare,
1835         .mode_set = intel_sdvo_mode_set,
1836         .commit = intel_encoder_commit,
1837 };
1838
1839 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
1840         .dpms = drm_helper_connector_dpms,
1841         .detect = intel_sdvo_detect,
1842         .fill_modes = drm_helper_probe_single_connector_modes,
1843         .set_property = intel_sdvo_set_property,
1844         .destroy = intel_sdvo_destroy,
1845 };
1846
1847 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
1848         .get_modes = intel_sdvo_get_modes,
1849         .mode_valid = intel_sdvo_mode_valid,
1850         .best_encoder = intel_best_encoder,
1851 };
1852
1853 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
1854 {
1855         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1856
1857         if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
1858                 drm_mode_destroy(encoder->dev,
1859                                  intel_sdvo->sdvo_lvds_fixed_mode);
1860
1861         i2c_del_adapter(&intel_sdvo->ddc);
1862         intel_encoder_destroy(encoder);
1863 }
1864
1865 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
1866         .destroy = intel_sdvo_enc_destroy,
1867 };
1868
1869 static void
1870 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
1871 {
1872         uint16_t mask = 0;
1873         unsigned int num_bits;
1874
1875         /* Make a mask of outputs less than or equal to our own priority in the
1876          * list.
1877          */
1878         switch (sdvo->controlled_output) {
1879         case SDVO_OUTPUT_LVDS1:
1880                 mask |= SDVO_OUTPUT_LVDS1;
1881         case SDVO_OUTPUT_LVDS0:
1882                 mask |= SDVO_OUTPUT_LVDS0;
1883         case SDVO_OUTPUT_TMDS1:
1884                 mask |= SDVO_OUTPUT_TMDS1;
1885         case SDVO_OUTPUT_TMDS0:
1886                 mask |= SDVO_OUTPUT_TMDS0;
1887         case SDVO_OUTPUT_RGB1:
1888                 mask |= SDVO_OUTPUT_RGB1;
1889         case SDVO_OUTPUT_RGB0:
1890                 mask |= SDVO_OUTPUT_RGB0;
1891                 break;
1892         }
1893
1894         /* Count bits to find what number we are in the priority list. */
1895         mask &= sdvo->caps.output_flags;
1896         num_bits = hweight16(mask);
1897         /* If more than 3 outputs, default to DDC bus 3 for now. */
1898         if (num_bits > 3)
1899                 num_bits = 3;
1900
1901         /* Corresponds to SDVO_CONTROL_BUS_DDCx */
1902         sdvo->ddc_bus = 1 << num_bits;
1903 }
1904
1905 /**
1906  * Choose the appropriate DDC bus for control bus switch command for this
1907  * SDVO output based on the controlled output.
1908  *
1909  * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
1910  * outputs, then LVDS outputs.
1911  */
1912 static void
1913 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
1914                           struct intel_sdvo *sdvo, u32 reg)
1915 {
1916         struct sdvo_device_mapping *mapping;
1917
1918         if (IS_SDVOB(reg))
1919                 mapping = &(dev_priv->sdvo_mappings[0]);
1920         else
1921                 mapping = &(dev_priv->sdvo_mappings[1]);
1922
1923         if (mapping->initialized)
1924                 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
1925         else
1926                 intel_sdvo_guess_ddc_bus(sdvo);
1927 }
1928
1929 static void
1930 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
1931                           struct intel_sdvo *sdvo, u32 reg)
1932 {
1933         struct sdvo_device_mapping *mapping;
1934         u8 pin, speed;
1935
1936         if (IS_SDVOB(reg))
1937                 mapping = &dev_priv->sdvo_mappings[0];
1938         else
1939                 mapping = &dev_priv->sdvo_mappings[1];
1940
1941         pin = GMBUS_PORT_DPB;
1942         speed = GMBUS_RATE_1MHZ >> 8;
1943         if (mapping->initialized) {
1944                 pin = mapping->i2c_pin;
1945                 speed = mapping->i2c_speed;
1946         }
1947
1948         sdvo->i2c = &dev_priv->gmbus[pin].adapter;
1949         intel_gmbus_set_speed(sdvo->i2c, speed);
1950         intel_gmbus_force_bit(sdvo->i2c, true);
1951 }
1952
1953 static bool
1954 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
1955 {
1956         int is_hdmi;
1957
1958         if (!intel_sdvo_check_supp_encode(intel_sdvo))
1959                 return false;
1960
1961         if (!intel_sdvo_set_target_output(intel_sdvo,
1962                                           device == 0 ? SDVO_OUTPUT_TMDS0 : SDVO_OUTPUT_TMDS1))
1963                 return false;
1964
1965         is_hdmi = 0;
1966         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ENCODE, &is_hdmi, 1))
1967                 return false;
1968
1969         return !!is_hdmi;
1970 }
1971
1972 static u8
1973 intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
1974 {
1975         struct drm_i915_private *dev_priv = dev->dev_private;
1976         struct sdvo_device_mapping *my_mapping, *other_mapping;
1977
1978         if (IS_SDVOB(sdvo_reg)) {
1979                 my_mapping = &dev_priv->sdvo_mappings[0];
1980                 other_mapping = &dev_priv->sdvo_mappings[1];
1981         } else {
1982                 my_mapping = &dev_priv->sdvo_mappings[1];
1983                 other_mapping = &dev_priv->sdvo_mappings[0];
1984         }
1985
1986         /* If the BIOS described our SDVO device, take advantage of it. */
1987         if (my_mapping->slave_addr)
1988                 return my_mapping->slave_addr;
1989
1990         /* If the BIOS only described a different SDVO device, use the
1991          * address that it isn't using.
1992          */
1993         if (other_mapping->slave_addr) {
1994                 if (other_mapping->slave_addr == 0x70)
1995                         return 0x72;
1996                 else
1997                         return 0x70;
1998         }
1999
2000         /* No SDVO device info is found for another DVO port,
2001          * so use mapping assumption we had before BIOS parsing.
2002          */
2003         if (IS_SDVOB(sdvo_reg))
2004                 return 0x70;
2005         else
2006                 return 0x72;
2007 }
2008
2009 static void
2010 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2011                           struct intel_sdvo *encoder)
2012 {
2013         drm_connector_init(encoder->base.base.dev,
2014                            &connector->base.base,
2015                            &intel_sdvo_connector_funcs,
2016                            connector->base.base.connector_type);
2017
2018         drm_connector_helper_add(&connector->base.base,
2019                                  &intel_sdvo_connector_helper_funcs);
2020
2021         connector->base.base.interlace_allowed = 0;
2022         connector->base.base.doublescan_allowed = 0;
2023         connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2024
2025         intel_connector_attach_encoder(&connector->base, &encoder->base);
2026         drm_sysfs_connector_add(&connector->base.base);
2027 }
2028
2029 static void
2030 intel_sdvo_add_hdmi_properties(struct intel_sdvo_connector *connector)
2031 {
2032         struct drm_device *dev = connector->base.base.dev;
2033
2034         connector->force_audio_property =
2035                 drm_property_create(dev, DRM_MODE_PROP_RANGE, "force_audio", 2);
2036         if (connector->force_audio_property) {
2037                 connector->force_audio_property->values[0] = -1;
2038                 connector->force_audio_property->values[1] = 1;
2039                 drm_connector_attach_property(&connector->base.base,
2040                                               connector->force_audio_property, 0);
2041         }
2042 }
2043
2044 static bool
2045 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2046 {
2047         struct drm_encoder *encoder = &intel_sdvo->base.base;
2048         struct drm_connector *connector;
2049         struct intel_connector *intel_connector;
2050         struct intel_sdvo_connector *intel_sdvo_connector;
2051
2052         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2053         if (!intel_sdvo_connector)
2054                 return false;
2055
2056         if (device == 0) {
2057                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2058                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2059         } else if (device == 1) {
2060                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2061                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2062         }
2063
2064         intel_connector = &intel_sdvo_connector->base;
2065         connector = &intel_connector->base;
2066         connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2067         encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2068         connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2069
2070         if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2071                 /* enable hdmi encoding mode if supported */
2072                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
2073                 intel_sdvo_set_colorimetry(intel_sdvo,
2074                                            SDVO_COLORIMETRY_RGB256);
2075                 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2076
2077                 intel_sdvo_add_hdmi_properties(intel_sdvo_connector);
2078                 intel_sdvo->is_hdmi = true;
2079         }
2080         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2081                                        (1 << INTEL_ANALOG_CLONE_BIT));
2082
2083         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2084
2085         return true;
2086 }
2087
2088 static bool
2089 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2090 {
2091         struct drm_encoder *encoder = &intel_sdvo->base.base;
2092         struct drm_connector *connector;
2093         struct intel_connector *intel_connector;
2094         struct intel_sdvo_connector *intel_sdvo_connector;
2095
2096         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2097         if (!intel_sdvo_connector)
2098                 return false;
2099
2100         intel_connector = &intel_sdvo_connector->base;
2101         connector = &intel_connector->base;
2102         encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2103         connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2104
2105         intel_sdvo->controlled_output |= type;
2106         intel_sdvo_connector->output_flag = type;
2107
2108         intel_sdvo->is_tv = true;
2109         intel_sdvo->base.needs_tv_clock = true;
2110         intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2111
2112         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2113
2114         if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2115                 goto err;
2116
2117         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2118                 goto err;
2119
2120         return true;
2121
2122 err:
2123         intel_sdvo_destroy(connector);
2124         return false;
2125 }
2126
2127 static bool
2128 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2129 {
2130         struct drm_encoder *encoder = &intel_sdvo->base.base;
2131         struct drm_connector *connector;
2132         struct intel_connector *intel_connector;
2133         struct intel_sdvo_connector *intel_sdvo_connector;
2134
2135         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2136         if (!intel_sdvo_connector)
2137                 return false;
2138
2139         intel_connector = &intel_sdvo_connector->base;
2140         connector = &intel_connector->base;
2141         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2142         encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2143         connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2144
2145         if (device == 0) {
2146                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2147                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2148         } else if (device == 1) {
2149                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2150                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2151         }
2152
2153         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2154                                        (1 << INTEL_ANALOG_CLONE_BIT));
2155
2156         intel_sdvo_connector_init(intel_sdvo_connector,
2157                                   intel_sdvo);
2158         return true;
2159 }
2160
2161 static bool
2162 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2163 {
2164         struct drm_encoder *encoder = &intel_sdvo->base.base;
2165         struct drm_connector *connector;
2166         struct intel_connector *intel_connector;
2167         struct intel_sdvo_connector *intel_sdvo_connector;
2168
2169         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2170         if (!intel_sdvo_connector)
2171                 return false;
2172
2173         intel_connector = &intel_sdvo_connector->base;
2174         connector = &intel_connector->base;
2175         encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2176         connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2177
2178         if (device == 0) {
2179                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2180                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2181         } else if (device == 1) {
2182                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2183                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2184         }
2185
2186         intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
2187                                        (1 << INTEL_SDVO_LVDS_CLONE_BIT));
2188
2189         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2190         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2191                 goto err;
2192
2193         return true;
2194
2195 err:
2196         intel_sdvo_destroy(connector);
2197         return false;
2198 }
2199
2200 static bool
2201 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2202 {
2203         intel_sdvo->is_tv = false;
2204         intel_sdvo->base.needs_tv_clock = false;
2205         intel_sdvo->is_lvds = false;
2206
2207         /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2208
2209         if (flags & SDVO_OUTPUT_TMDS0)
2210                 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2211                         return false;
2212
2213         if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2214                 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2215                         return false;
2216
2217         /* TV has no XXX1 function block */
2218         if (flags & SDVO_OUTPUT_SVID0)
2219                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2220                         return false;
2221
2222         if (flags & SDVO_OUTPUT_CVBS0)
2223                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2224                         return false;
2225
2226         if (flags & SDVO_OUTPUT_RGB0)
2227                 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2228                         return false;
2229
2230         if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2231                 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2232                         return false;
2233
2234         if (flags & SDVO_OUTPUT_LVDS0)
2235                 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2236                         return false;
2237
2238         if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2239                 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2240                         return false;
2241
2242         if ((flags & SDVO_OUTPUT_MASK) == 0) {
2243                 unsigned char bytes[2];
2244
2245                 intel_sdvo->controlled_output = 0;
2246                 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2247                 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2248                               SDVO_NAME(intel_sdvo),
2249                               bytes[0], bytes[1]);
2250                 return false;
2251         }
2252         intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1);
2253
2254         return true;
2255 }
2256
2257 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2258                                           struct intel_sdvo_connector *intel_sdvo_connector,
2259                                           int type)
2260 {
2261         struct drm_device *dev = intel_sdvo->base.base.dev;
2262         struct intel_sdvo_tv_format format;
2263         uint32_t format_map, i;
2264
2265         if (!intel_sdvo_set_target_output(intel_sdvo, type))
2266                 return false;
2267
2268         if (!intel_sdvo_get_value(intel_sdvo,
2269                                   SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2270                                   &format, sizeof(format)))
2271                 return false;
2272
2273         memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2274
2275         if (format_map == 0)
2276                 return false;
2277
2278         intel_sdvo_connector->format_supported_num = 0;
2279         for (i = 0 ; i < TV_FORMAT_NUM; i++)
2280                 if (format_map & (1 << i))
2281                         intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2282
2283
2284         intel_sdvo_connector->tv_format =
2285                         drm_property_create(dev, DRM_MODE_PROP_ENUM,
2286                                             "mode", intel_sdvo_connector->format_supported_num);
2287         if (!intel_sdvo_connector->tv_format)
2288                 return false;
2289
2290         for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2291                 drm_property_add_enum(
2292                                 intel_sdvo_connector->tv_format, i,
2293                                 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2294
2295         intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2296         drm_connector_attach_property(&intel_sdvo_connector->base.base,
2297                                       intel_sdvo_connector->tv_format, 0);
2298         return true;
2299
2300 }
2301
2302 #define ENHANCEMENT(name, NAME) do { \
2303         if (enhancements.name) { \
2304                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2305                     !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2306                         return false; \
2307                 intel_sdvo_connector->max_##name = data_value[0]; \
2308                 intel_sdvo_connector->cur_##name = response; \
2309                 intel_sdvo_connector->name = \
2310                         drm_property_create(dev, DRM_MODE_PROP_RANGE, #name, 2); \
2311                 if (!intel_sdvo_connector->name) return false; \
2312                 intel_sdvo_connector->name->values[0] = 0; \
2313                 intel_sdvo_connector->name->values[1] = data_value[0]; \
2314                 drm_connector_attach_property(connector, \
2315                                               intel_sdvo_connector->name, \
2316                                               intel_sdvo_connector->cur_##name); \
2317                 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2318                               data_value[0], data_value[1], response); \
2319         } \
2320 } while(0)
2321
2322 static bool
2323 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2324                                       struct intel_sdvo_connector *intel_sdvo_connector,
2325                                       struct intel_sdvo_enhancements_reply enhancements)
2326 {
2327         struct drm_device *dev = intel_sdvo->base.base.dev;
2328         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2329         uint16_t response, data_value[2];
2330
2331         /* when horizontal overscan is supported, Add the left/right  property */
2332         if (enhancements.overscan_h) {
2333                 if (!intel_sdvo_get_value(intel_sdvo,
2334                                           SDVO_CMD_GET_MAX_OVERSCAN_H,
2335                                           &data_value, 4))
2336                         return false;
2337
2338                 if (!intel_sdvo_get_value(intel_sdvo,
2339                                           SDVO_CMD_GET_OVERSCAN_H,
2340                                           &response, 2))
2341                         return false;
2342
2343                 intel_sdvo_connector->max_hscan = data_value[0];
2344                 intel_sdvo_connector->left_margin = data_value[0] - response;
2345                 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2346                 intel_sdvo_connector->left =
2347                         drm_property_create(dev, DRM_MODE_PROP_RANGE,
2348                                             "left_margin", 2);
2349                 if (!intel_sdvo_connector->left)
2350                         return false;
2351
2352                 intel_sdvo_connector->left->values[0] = 0;
2353                 intel_sdvo_connector->left->values[1] = data_value[0];
2354                 drm_connector_attach_property(connector,
2355                                               intel_sdvo_connector->left,
2356                                               intel_sdvo_connector->left_margin);
2357
2358                 intel_sdvo_connector->right =
2359                         drm_property_create(dev, DRM_MODE_PROP_RANGE,
2360                                             "right_margin", 2);
2361                 if (!intel_sdvo_connector->right)
2362                         return false;
2363
2364                 intel_sdvo_connector->right->values[0] = 0;
2365                 intel_sdvo_connector->right->values[1] = data_value[0];
2366                 drm_connector_attach_property(connector,
2367                                               intel_sdvo_connector->right,
2368                                               intel_sdvo_connector->right_margin);
2369                 DRM_DEBUG_KMS("h_overscan: max %d, "
2370                               "default %d, current %d\n",
2371                               data_value[0], data_value[1], response);
2372         }
2373
2374         if (enhancements.overscan_v) {
2375                 if (!intel_sdvo_get_value(intel_sdvo,
2376                                           SDVO_CMD_GET_MAX_OVERSCAN_V,
2377                                           &data_value, 4))
2378                         return false;
2379
2380                 if (!intel_sdvo_get_value(intel_sdvo,
2381                                           SDVO_CMD_GET_OVERSCAN_V,
2382                                           &response, 2))
2383                         return false;
2384
2385                 intel_sdvo_connector->max_vscan = data_value[0];
2386                 intel_sdvo_connector->top_margin = data_value[0] - response;
2387                 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2388                 intel_sdvo_connector->top =
2389                         drm_property_create(dev, DRM_MODE_PROP_RANGE,
2390                                             "top_margin", 2);
2391                 if (!intel_sdvo_connector->top)
2392                         return false;
2393
2394                 intel_sdvo_connector->top->values[0] = 0;
2395                 intel_sdvo_connector->top->values[1] = data_value[0];
2396                 drm_connector_attach_property(connector,
2397                                               intel_sdvo_connector->top,
2398                                               intel_sdvo_connector->top_margin);
2399
2400                 intel_sdvo_connector->bottom =
2401                         drm_property_create(dev, DRM_MODE_PROP_RANGE,
2402                                             "bottom_margin", 2);
2403                 if (!intel_sdvo_connector->bottom)
2404                         return false;
2405
2406                 intel_sdvo_connector->bottom->values[0] = 0;
2407                 intel_sdvo_connector->bottom->values[1] = data_value[0];
2408                 drm_connector_attach_property(connector,
2409                                               intel_sdvo_connector->bottom,
2410                                               intel_sdvo_connector->bottom_margin);
2411                 DRM_DEBUG_KMS("v_overscan: max %d, "
2412                               "default %d, current %d\n",
2413                               data_value[0], data_value[1], response);
2414         }
2415
2416         ENHANCEMENT(hpos, HPOS);
2417         ENHANCEMENT(vpos, VPOS);
2418         ENHANCEMENT(saturation, SATURATION);
2419         ENHANCEMENT(contrast, CONTRAST);
2420         ENHANCEMENT(hue, HUE);
2421         ENHANCEMENT(sharpness, SHARPNESS);
2422         ENHANCEMENT(brightness, BRIGHTNESS);
2423         ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2424         ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2425         ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2426         ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2427         ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2428
2429         if (enhancements.dot_crawl) {
2430                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2431                         return false;
2432
2433                 intel_sdvo_connector->max_dot_crawl = 1;
2434                 intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2435                 intel_sdvo_connector->dot_crawl =
2436                         drm_property_create(dev, DRM_MODE_PROP_RANGE, "dot_crawl", 2);
2437                 if (!intel_sdvo_connector->dot_crawl)
2438                         return false;
2439
2440                 intel_sdvo_connector->dot_crawl->values[0] = 0;
2441                 intel_sdvo_connector->dot_crawl->values[1] = 1;
2442                 drm_connector_attach_property(connector,
2443                                               intel_sdvo_connector->dot_crawl,
2444                                               intel_sdvo_connector->cur_dot_crawl);
2445                 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2446         }
2447
2448         return true;
2449 }
2450
2451 static bool
2452 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2453                                         struct intel_sdvo_connector *intel_sdvo_connector,
2454                                         struct intel_sdvo_enhancements_reply enhancements)
2455 {
2456         struct drm_device *dev = intel_sdvo->base.base.dev;
2457         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2458         uint16_t response, data_value[2];
2459
2460         ENHANCEMENT(brightness, BRIGHTNESS);
2461
2462         return true;
2463 }
2464 #undef ENHANCEMENT
2465
2466 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2467                                                struct intel_sdvo_connector *intel_sdvo_connector)
2468 {
2469         union {
2470                 struct intel_sdvo_enhancements_reply reply;
2471                 uint16_t response;
2472         } enhancements;
2473
2474         enhancements.response = 0;
2475         intel_sdvo_get_value(intel_sdvo,
2476                              SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2477                              &enhancements, sizeof(enhancements));
2478         if (enhancements.response == 0) {
2479                 DRM_DEBUG_KMS("No enhancement is supported\n");
2480                 return true;
2481         }
2482
2483         if (IS_TV(intel_sdvo_connector))
2484                 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2485         else if(IS_LVDS(intel_sdvo_connector))
2486                 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2487         else
2488                 return true;
2489 }
2490
2491 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2492                                      struct i2c_msg *msgs,
2493                                      int num)
2494 {
2495         struct intel_sdvo *sdvo = adapter->algo_data;
2496
2497         if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2498                 return -EIO;
2499
2500         return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2501 }
2502
2503 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2504 {
2505         struct intel_sdvo *sdvo = adapter->algo_data;
2506         return sdvo->i2c->algo->functionality(sdvo->i2c);
2507 }
2508
2509 static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
2510         .master_xfer    = intel_sdvo_ddc_proxy_xfer,
2511         .functionality  = intel_sdvo_ddc_proxy_func
2512 };
2513
2514 static bool
2515 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
2516                           struct drm_device *dev)
2517 {
2518         sdvo->ddc.owner = THIS_MODULE;
2519         sdvo->ddc.class = I2C_CLASS_DDC;
2520         snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2521         sdvo->ddc.dev.parent = &dev->pdev->dev;
2522         sdvo->ddc.algo_data = sdvo;
2523         sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
2524
2525         return i2c_add_adapter(&sdvo->ddc) == 0;
2526 }
2527
2528 bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
2529 {
2530         struct drm_i915_private *dev_priv = dev->dev_private;
2531         struct intel_encoder *intel_encoder;
2532         struct intel_sdvo *intel_sdvo;
2533         int i;
2534
2535         intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);
2536         if (!intel_sdvo)
2537                 return false;
2538
2539         if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev)) {
2540                 kfree(intel_sdvo);
2541                 return false;
2542         }
2543
2544         intel_sdvo->sdvo_reg = sdvo_reg;
2545
2546         intel_encoder = &intel_sdvo->base;
2547         intel_encoder->type = INTEL_OUTPUT_SDVO;
2548         /* encoder type will be decided later */
2549         drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
2550
2551         intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, sdvo_reg) >> 1;
2552         intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
2553
2554         /* Read the regs to test if we can talk to the device */
2555         for (i = 0; i < 0x40; i++) {
2556                 u8 byte;
2557
2558                 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
2559                         DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
2560                                       IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2561                         goto err;
2562                 }
2563         }
2564
2565         if (IS_SDVOB(sdvo_reg))
2566                 dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
2567         else
2568                 dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
2569
2570         drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
2571
2572         /* In default case sdvo lvds is false */
2573         if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
2574                 goto err;
2575
2576         if (intel_sdvo_output_setup(intel_sdvo,
2577                                     intel_sdvo->caps.output_flags) != true) {
2578                 DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
2579                               IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2580                 goto err;
2581         }
2582
2583         intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
2584
2585         /* Set the input timing to the screen. Assume always input 0. */
2586         if (!intel_sdvo_set_target_input(intel_sdvo))
2587                 goto err;
2588
2589         if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
2590                                                     &intel_sdvo->pixel_clock_min,
2591                                                     &intel_sdvo->pixel_clock_max))
2592                 goto err;
2593
2594         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2595                         "clock range %dMHz - %dMHz, "
2596                         "input 1: %c, input 2: %c, "
2597                         "output 1: %c, output 2: %c\n",
2598                         SDVO_NAME(intel_sdvo),
2599                         intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
2600                         intel_sdvo->caps.device_rev_id,
2601                         intel_sdvo->pixel_clock_min / 1000,
2602                         intel_sdvo->pixel_clock_max / 1000,
2603                         (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2604                         (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2605                         /* check currently supported outputs */
2606                         intel_sdvo->caps.output_flags &
2607                         (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2608                         intel_sdvo->caps.output_flags &
2609                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2610         return true;
2611
2612 err:
2613         drm_encoder_cleanup(&intel_encoder->base);
2614         i2c_del_adapter(&intel_sdvo->ddc);
2615         kfree(intel_sdvo);
2616
2617         return false;
2618 }