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 <linux/export.h>
  32 #include "drmP.h"
  33 #include "drm.h"
  34 #include "drm_crtc.h"
  35 #include "drm_edid.h"
  36 #include "intel_drv.h"
  37 #include "i915_drm.h"
  38 #include "i915_drv.h"
  39 #include "intel_sdvo_regs.h"
  40
  41 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
  42 #define SDVO_RGB_MASK  (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
  43 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
  44 #define SDVO_TV_MASK   (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0)
  45
  46 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
  47                         SDVO_TV_MASK)
  48
  49 #define IS_TV(c)        (c->output_flag & SDVO_TV_MASK)
  50 #define IS_TMDS(c)      (c->output_flag & SDVO_TMDS_MASK)
  51 #define IS_LVDS(c)      (c->output_flag & SDVO_LVDS_MASK)
  52 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
  53 #define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
  54
  55
  56 static const char *tv_format_names[] = {
  57         "NTSC_M"   , "NTSC_J"  , "NTSC_443",
  58         "PAL_B"    , "PAL_D"   , "PAL_G"   ,
  59         "PAL_H"    , "PAL_I"   , "PAL_M"   ,
  60         "PAL_N"    , "PAL_NC"  , "PAL_60"  ,
  61         "SECAM_B"  , "SECAM_D" , "SECAM_G" ,
  62         "SECAM_K"  , "SECAM_K1", "SECAM_L" ,
  63         "SECAM_60"
  64 };
  65
  66 #define TV_FORMAT_NUM  (sizeof(tv_format_names) / sizeof(*tv_format_names))
  67
  68 struct intel_sdvo {
  69         struct intel_encoder base;
  70
  71         struct i2c_adapter *i2c;
  72         u8 slave_addr;
  73
  74         struct i2c_adapter ddc;
  75
  76         /* Register for the SDVO device: SDVOB or SDVOC */
  77         uint32_t sdvo_reg;
  78
  79         /* Active outputs controlled by this SDVO output */
  80         uint16_t controlled_output;
  81
  82         /*
  83          * Capabilities of the SDVO device returned by
  84          * i830_sdvo_get_capabilities()
  85          */
  86         struct intel_sdvo_caps caps;
  87
  88         /* Pixel clock limitations reported by the SDVO device, in kHz */
  89         int pixel_clock_min, pixel_clock_max;
  90
  91         /*
  92         * For multiple function SDVO device,
  93         * this is for current attached outputs.
  94         */
  95         uint16_t attached_output;
  96
  97         /*
  98          * Hotplug activation bits for this device
  99          */
 100         uint8_t hotplug_active[2];
 101
 102         /**
 103          * This is used to select the color range of RBG outputs in HDMI mode.
 104          * It is only valid when using TMDS encoding and 8 bit per color mode.
 105          */
 106         uint32_t color_range;
 107
 108         /**
 109          * This is set if we're going to treat the device as TV-out.
 110          *
 111          * While we have these nice friendly flags for output types that ought
 112          * to decide this for us, the S-Video output on our HDMI+S-Video card
 113          * shows up as RGB1 (VGA).
 114          */
 115         bool is_tv;
 116
 117         /* On different gens SDVOB is at different places. */
 118         bool is_sdvob;
 119
 120         /* This is for current tv format name */
 121         int tv_format_index;
 122
 123         /**
 124          * This is set if we treat the device as HDMI, instead of DVI.
 125          */
 126         bool is_hdmi;
 127         bool has_hdmi_monitor;
 128         bool has_hdmi_audio;
 129
 130         /**
 131          * This is set if we detect output of sdvo device as LVDS and
 132          * have a valid fixed mode to use with the panel.
 133          */
 134         bool is_lvds;
 135
 136         /**
 137          * This is sdvo fixed pannel mode pointer
 138          */
 139         struct drm_display_mode *sdvo_lvds_fixed_mode;
 140
 141         /* DDC bus used by this SDVO encoder */
 142         uint8_t ddc_bus;
 143
 144         /* Input timings for adjusted_mode */
 145         struct intel_sdvo_dtd input_dtd;
 146 };
 147
 148 struct intel_sdvo_connector {
 149         struct intel_connector base;
 150
 151         /* Mark the type of connector */
 152         uint16_t output_flag;
 153
 154         enum hdmi_force_audio force_audio;
 155
 156         /* This contains all current supported TV format */
 157         u8 tv_format_supported[TV_FORMAT_NUM];
 158         int   format_supported_num;
 159         struct drm_property *tv_format;
 160
 161         /* add the property for the SDVO-TV */
 162         struct drm_property *left;
 163         struct drm_property *right;
 164         struct drm_property *top;
 165         struct drm_property *bottom;
 166         struct drm_property *hpos;
 167         struct drm_property *vpos;
 168         struct drm_property *contrast;
 169         struct drm_property *saturation;
 170         struct drm_property *hue;
 171         struct drm_property *sharpness;
 172         struct drm_property *flicker_filter;
 173         struct drm_property *flicker_filter_adaptive;
 174         struct drm_property *flicker_filter_2d;
 175         struct drm_property *tv_chroma_filter;
 176         struct drm_property *tv_luma_filter;
 177         struct drm_property *dot_crawl;
 178
 179         /* add the property for the SDVO-TV/LVDS */
 180         struct drm_property *brightness;
 181
 182         /* Add variable to record current setting for the above property */
 183         u32     left_margin, right_margin, top_margin, bottom_margin;
 184
 185         /* this is to get the range of margin.*/
 186         u32     max_hscan,  max_vscan;
 187         u32     max_hpos, cur_hpos;
 188         u32     max_vpos, cur_vpos;
 189         u32     cur_brightness, max_brightness;
 190         u32     cur_contrast,   max_contrast;
 191         u32     cur_saturation, max_saturation;
 192         u32     cur_hue,        max_hue;
 193         u32     cur_sharpness,  max_sharpness;
 194         u32     cur_flicker_filter,             max_flicker_filter;
 195         u32     cur_flicker_filter_adaptive,    max_flicker_filter_adaptive;
 196         u32     cur_flicker_filter_2d,          max_flicker_filter_2d;
 197         u32     cur_tv_chroma_filter,   max_tv_chroma_filter;
 198         u32     cur_tv_luma_filter,     max_tv_luma_filter;
 199         u32     cur_dot_crawl,  max_dot_crawl;
 200 };
 201
 202 static struct intel_sdvo *to_intel_sdvo(struct drm_encoder *encoder)
 203 {
 204         return container_of(encoder, struct intel_sdvo, base.base);
 205 }
 206
 207 static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
 208 {
 209         return container_of(intel_attached_encoder(connector),
 210                             struct intel_sdvo, base);
 211 }
 212
 213 static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector)
 214 {
 215         return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);
 216 }
 217
 218 static bool
 219 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
 220 static bool
 221 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
 222                               struct intel_sdvo_connector *intel_sdvo_connector,
 223                               int type);
 224 static bool
 225 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
 226                                    struct intel_sdvo_connector *intel_sdvo_connector);
 227
 228 /**
 229  * Writes the SDVOB or SDVOC with the given value, but always writes both
 230  * SDVOB and SDVOC to work around apparent hardware issues (according to
 231  * comments in the BIOS).
 232  */
 233 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
 234 {
 235         struct drm_device *dev = intel_sdvo->base.base.dev;
 236         struct drm_i915_private *dev_priv = dev->dev_private;
 237         u32 bval = val, cval = val;
 238         int i;
 239
 240         if (intel_sdvo->sdvo_reg == PCH_SDVOB) {
 241                 I915_WRITE(intel_sdvo->sdvo_reg, val);
 242                 I915_READ(intel_sdvo->sdvo_reg);
 243                 return;
 244         }
 245
 246         if (intel_sdvo->sdvo_reg == SDVOB) {
 247                 cval = I915_READ(SDVOC);
 248         } else {
 249                 bval = I915_READ(SDVOB);
 250         }
 251         /*
 252          * Write the registers twice for luck. Sometimes,
 253          * writing them only once doesn't appear to 'stick'.
 254          * The BIOS does this too. Yay, magic
 255          */
 256         for (i = 0; i < 2; i++)
 257         {
 258                 I915_WRITE(SDVOB, bval);
 259                 I915_READ(SDVOB);
 260                 I915_WRITE(SDVOC, cval);
 261                 I915_READ(SDVOC);
 262         }
 263 }
 264
 265 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
 266 {
 267         struct i2c_msg msgs[] = {
 268                 {
 269                         .addr = intel_sdvo->slave_addr,
 270                         .flags = 0,
 271                         .len = 1,
 272                         .buf = &addr,
 273                 },
 274                 {
 275                         .addr = intel_sdvo->slave_addr,
 276                         .flags = I2C_M_RD,
 277                         .len = 1,
 278                         .buf = ch,
 279                 }
 280         };
 281         int ret;
 282
 283         if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
 284                 return true;
 285
 286         DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
 287         return false;
 288 }
 289
 290 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
 291 /** Mapping of command numbers to names, for debug output */
 292 static const struct _sdvo_cmd_name {
 293         u8 cmd;
 294         const char *name;
 295 } sdvo_cmd_names[] = {
 296         SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
 297         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
 298         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
 299         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
 300         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
 301         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
 302         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
 303         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
 304         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
 305         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
 306         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
 307         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
 308         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
 309         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
 310         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
 311         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
 312         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
 313         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 314         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
 315         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 316         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
 317         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
 318         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
 319         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
 320         SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
 321         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
 322         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
 323         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
 324         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
 325         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
 326         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
 327         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
 328         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
 329         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
 330         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
 331         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
 332         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
 333         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
 334         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
 335         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
 336         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
 337         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
 338         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
 339
 340         /* Add the op code for SDVO enhancements */
 341         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
 342         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
 343         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
 344         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
 345         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
 346         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
 347         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
 348         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
 349         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
 350         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
 351         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
 352         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
 353         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
 354         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
 355         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
 356         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
 357         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
 358         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
 359         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
 360         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
 361         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
 362         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
 363         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
 364         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
 365         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
 366         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
 367         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
 368         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
 369         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
 370         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
 371         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
 372         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
 373         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
 374         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
 375         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
 376         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
 377         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
 378         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
 379         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
 380         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
 381         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
 382         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
 383         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
 384         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
 385
 386         /* HDMI op code */
 387         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
 388         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
 389         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
 390         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
 391         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
 392         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
 393         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
 394         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
 395         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
 396         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
 397         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
 398         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
 399         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
 400         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
 401         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
 402         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
 403         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
 404         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
 405         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
 406         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
 407 };
 408
 409 #define SDVO_NAME(svdo) ((svdo)->is_sdvob ? "SDVOB" : "SDVOC")
 410
 411 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
 412                                    const void *args, int args_len)
 413 {
 414         int i;
 415
 416         DRM_DEBUG_KMS("%s: W: %02X ",
 417                                 SDVO_NAME(intel_sdvo), cmd);
 418         for (i = 0; i < args_len; i++)
 419                 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
 420         for (; i < 8; i++)
 421                 DRM_LOG_KMS("   ");
 422         for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
 423                 if (cmd == sdvo_cmd_names[i].cmd) {
 424                         DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
 425                         break;
 426                 }
 427         }
 428         if (i == ARRAY_SIZE(sdvo_cmd_names))
 429                 DRM_LOG_KMS("(%02X)", cmd);
 430         DRM_LOG_KMS("\n");
 431 }
 432
 433 static const char *cmd_status_names[] = {
 434         "Power on",
 435         "Success",
 436         "Not supported",
 437         "Invalid arg",
 438         "Pending",
 439         "Target not specified",
 440         "Scaling not supported"
 441 };
 442
 443 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
 444                                  const void *args, int args_len)
 445 {
 446         u8 *buf, status;
 447         struct i2c_msg *msgs;
 448         int i, ret = true;
 449
 450         buf = (u8 *)kzalloc(args_len * 2 + 2, GFP_KERNEL);
 451         if (!buf)
 452                 return false;
 453
 454         msgs = kcalloc(args_len + 3, sizeof(*msgs), GFP_KERNEL);
 455         if (!msgs)
 456                 return false;
 457
 458         intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
 459
 460         for (i = 0; i < args_len; i++) {
 461                 msgs[i].addr = intel_sdvo->slave_addr;
 462                 msgs[i].flags = 0;
 463                 msgs[i].len = 2;
 464                 msgs[i].buf = buf + 2 *i;
 465                 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
 466                 buf[2*i + 1] = ((u8*)args)[i];
 467         }
 468         msgs[i].addr = intel_sdvo->slave_addr;
 469         msgs[i].flags = 0;
 470         msgs[i].len = 2;
 471         msgs[i].buf = buf + 2*i;
 472         buf[2*i + 0] = SDVO_I2C_OPCODE;
 473         buf[2*i + 1] = cmd;
 474
 475         /* the following two are to read the response */
 476         status = SDVO_I2C_CMD_STATUS;
 477         msgs[i+1].addr = intel_sdvo->slave_addr;
 478         msgs[i+1].flags = 0;
 479         msgs[i+1].len = 1;
 480         msgs[i+1].buf = &status;
 481
 482         msgs[i+2].addr = intel_sdvo->slave_addr;
 483         msgs[i+2].flags = I2C_M_RD;
 484         msgs[i+2].len = 1;
 485         msgs[i+2].buf = &status;
 486
 487         ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
 488         if (ret < 0) {
 489                 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
 490                 ret = false;
 491                 goto out;
 492         }
 493         if (ret != i+3) {
 494                 /* failure in I2C transfer */
 495                 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
 496                 ret = false;
 497         }
 498
 499 out:
 500         kfree(msgs);
 501         kfree(buf);
 502         return ret;
 503 }
 504
 505 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
 506                                      void *response, int response_len)
 507 {
 508         u8 retry = 5;
 509         u8 status;
 510         int i;
 511
 512         DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));
 513
 514         /*
 515          * The documentation states that all commands will be
 516          * processed within 15µs, and that we need only poll
 517          * the status byte a maximum of 3 times in order for the
 518          * command to be complete.
 519          *
 520          * Check 5 times in case the hardware failed to read the docs.
 521          */
 522         if (!intel_sdvo_read_byte(intel_sdvo,
 523                                   SDVO_I2C_CMD_STATUS,
 524                                   &status))
 525                 goto log_fail;
 526
 527         while (status == SDVO_CMD_STATUS_PENDING && retry--) {
 528                 udelay(15);
 529                 if (!intel_sdvo_read_byte(intel_sdvo,
 530                                           SDVO_I2C_CMD_STATUS,
 531                                           &status))
 532                         goto log_fail;
 533         }
 534
 535         if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
 536                 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
 537         else
 538                 DRM_LOG_KMS("(??? %d)", status);
 539
 540         if (status != SDVO_CMD_STATUS_SUCCESS)
 541                 goto log_fail;
 542
 543         /* Read the command response */
 544         for (i = 0; i < response_len; i++) {
 545                 if (!intel_sdvo_read_byte(intel_sdvo,
 546                                           SDVO_I2C_RETURN_0 + i,
 547                                           &((u8 *)response)[i]))
 548                         goto log_fail;
 549                 DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
 550         }
 551         DRM_LOG_KMS("\n");
 552         return true;
 553
 554 log_fail:
 555         DRM_LOG_KMS("... failed\n");
 556         return false;
 557 }
 558
 559 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
 560 {
 561         if (mode->clock >= 100000)
 562                 return 1;
 563         else if (mode->clock >= 50000)
 564                 return 2;
 565         else
 566                 return 4;
 567 }
 568
 569 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
 570                                               u8 ddc_bus)
 571 {
 572         /* This must be the immediately preceding write before the i2c xfer */
 573         return intel_sdvo_write_cmd(intel_sdvo,
 574                                     SDVO_CMD_SET_CONTROL_BUS_SWITCH,
 575                                     &ddc_bus, 1);
 576 }
 577
 578 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
 579 {
 580         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
 581                 return false;
 582
 583         return intel_sdvo_read_response(intel_sdvo, NULL, 0);
 584 }
 585
 586 static bool
 587 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
 588 {
 589         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
 590                 return false;
 591
 592         return intel_sdvo_read_response(intel_sdvo, value, len);
 593 }
 594
 595 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
 596 {
 597         struct intel_sdvo_set_target_input_args targets = {0};
 598         return intel_sdvo_set_value(intel_sdvo,
 599                                     SDVO_CMD_SET_TARGET_INPUT,
 600                                     &targets, sizeof(targets));
 601 }
 602
 603 /**
 604  * Return whether each input is trained.
 605  *
 606  * This function is making an assumption about the layout of the response,
 607  * which should be checked against the docs.
 608  */
 609 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
 610 {
 611         struct intel_sdvo_get_trained_inputs_response response;
 612
 613         BUILD_BUG_ON(sizeof(response) != 1);
 614         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
 615                                   &response, sizeof(response)))
 616                 return false;
 617
 618         *input_1 = response.input0_trained;
 619         *input_2 = response.input1_trained;
 620         return true;
 621 }
 622
 623 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
 624                                           u16 outputs)
 625 {
 626         return intel_sdvo_set_value(intel_sdvo,
 627                                     SDVO_CMD_SET_ACTIVE_OUTPUTS,
 628                                     &outputs, sizeof(outputs));
 629 }
 630
 631 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
 632                                                int mode)
 633 {
 634         u8 state = SDVO_ENCODER_STATE_ON;
 635
 636         switch (mode) {
 637         case DRM_MODE_DPMS_ON:
 638                 state = SDVO_ENCODER_STATE_ON;
 639                 break;
 640         case DRM_MODE_DPMS_STANDBY:
 641                 state = SDVO_ENCODER_STATE_STANDBY;
 642                 break;
 643         case DRM_MODE_DPMS_SUSPEND:
 644                 state = SDVO_ENCODER_STATE_SUSPEND;
 645                 break;
 646         case DRM_MODE_DPMS_OFF:
 647                 state = SDVO_ENCODER_STATE_OFF;
 648                 break;
 649         }
 650
 651         return intel_sdvo_set_value(intel_sdvo,
 652                                     SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
 653 }
 654
 655 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
 656                                                    int *clock_min,
 657                                                    int *clock_max)
 658 {
 659         struct intel_sdvo_pixel_clock_range clocks;
 660
 661         BUILD_BUG_ON(sizeof(clocks) != 4);
 662         if (!intel_sdvo_get_value(intel_sdvo,
 663                                   SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
 664                                   &clocks, sizeof(clocks)))
 665                 return false;
 666
 667         /* Convert the values from units of 10 kHz to kHz. */
 668         *clock_min = clocks.min * 10;
 669         *clock_max = clocks.max * 10;
 670         return true;
 671 }
 672
 673 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
 674                                          u16 outputs)
 675 {
 676         return intel_sdvo_set_value(intel_sdvo,
 677                                     SDVO_CMD_SET_TARGET_OUTPUT,
 678                                     &outputs, sizeof(outputs));
 679 }
 680
 681 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
 682                                   struct intel_sdvo_dtd *dtd)
 683 {
 684         return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
 685                 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
 686 }
 687
 688 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
 689                                          struct intel_sdvo_dtd *dtd)
 690 {
 691         return intel_sdvo_set_timing(intel_sdvo,
 692                                      SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
 693 }
 694
 695 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
 696                                          struct intel_sdvo_dtd *dtd)
 697 {
 698         return intel_sdvo_set_timing(intel_sdvo,
 699                                      SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
 700 }
 701
 702 static bool
 703 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 704                                          uint16_t clock,
 705                                          uint16_t width,
 706                                          uint16_t height)
 707 {
 708         struct intel_sdvo_preferred_input_timing_args args;
 709
 710         memset(&args, 0, sizeof(args));
 711         args.clock = clock;
 712         args.width = width;
 713         args.height = height;
 714         args.interlace = 0;
 715
 716         if (intel_sdvo->is_lvds &&
 717            (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
 718             intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
 719                 args.scaled = 1;
 720
 721         return intel_sdvo_set_value(intel_sdvo,
 722                                     SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
 723                                     &args, sizeof(args));
 724 }
 725
 726 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 727                                                   struct intel_sdvo_dtd *dtd)
 728 {
 729         BUILD_BUG_ON(sizeof(dtd->part1) != 8);
 730         BUILD_BUG_ON(sizeof(dtd->part2) != 8);
 731         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
 732                                     &dtd->part1, sizeof(dtd->part1)) &&
 733                 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
 734                                      &dtd->part2, sizeof(dtd->part2));
 735 }
 736
 737 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
 738 {
 739         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
 740 }
 741
 742 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
 743                                          const struct drm_display_mode *mode)
 744 {
 745         uint16_t width, height;
 746         uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
 747         uint16_t h_sync_offset, v_sync_offset;
 748         int mode_clock;
 749
 750         width = mode->hdisplay;
 751         height = mode->vdisplay;
 752
 753         /* do some mode translations */
 754         h_blank_len = mode->htotal - mode->hdisplay;
 755         h_sync_len = mode->hsync_end - mode->hsync_start;
 756
 757         v_blank_len = mode->vtotal - mode->vdisplay;
 758         v_sync_len = mode->vsync_end - mode->vsync_start;
 759
 760         h_sync_offset = mode->hsync_start - mode->hdisplay;
 761         v_sync_offset = mode->vsync_start - mode->vdisplay;
 762
 763         mode_clock = mode->clock;
 764         mode_clock /= intel_mode_get_pixel_multiplier(mode) ?: 1;
 765         mode_clock /= 10;
 766         dtd->part1.clock = mode_clock;
 767
 768         dtd->part1.h_active = width & 0xff;
 769         dtd->part1.h_blank = h_blank_len & 0xff;
 770         dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
 771                 ((h_blank_len >> 8) & 0xf);
 772         dtd->part1.v_active = height & 0xff;
 773         dtd->part1.v_blank = v_blank_len & 0xff;
 774         dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
 775                 ((v_blank_len >> 8) & 0xf);
 776
 777         dtd->part2.h_sync_off = h_sync_offset & 0xff;
 778         dtd->part2.h_sync_width = h_sync_len & 0xff;
 779         dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
 780                 (v_sync_len & 0xf);
 781         dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
 782                 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
 783                 ((v_sync_len & 0x30) >> 4);
 784
 785         dtd->part2.dtd_flags = 0x18;
 786         if (mode->flags & DRM_MODE_FLAG_PHSYNC)
 787                 dtd->part2.dtd_flags |= 0x2;
 788         if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 789                 dtd->part2.dtd_flags |= 0x4;
 790
 791         dtd->part2.sdvo_flags = 0;
 792         dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
 793         dtd->part2.reserved = 0;
 794 }
 795
 796 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
 797                                          const struct intel_sdvo_dtd *dtd)
 798 {
 799         mode->hdisplay = dtd->part1.h_active;
 800         mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
 801         mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
 802         mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
 803         mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
 804         mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
 805         mode->htotal = mode->hdisplay + dtd->part1.h_blank;
 806         mode->htotal += (dtd->part1.h_high & 0xf) << 8;
 807
 808         mode->vdisplay = dtd->part1.v_active;
 809         mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
 810         mode->vsync_start = mode->vdisplay;
 811         mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
 812         mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
 813         mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
 814         mode->vsync_end = mode->vsync_start +
 815                 (dtd->part2.v_sync_off_width & 0xf);
 816         mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
 817         mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
 818         mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
 819
 820         mode->clock = dtd->part1.clock * 10;
 821
 822         mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
 823         if (dtd->part2.dtd_flags & 0x2)
 824                 mode->flags |= DRM_MODE_FLAG_PHSYNC;
 825         if (dtd->part2.dtd_flags & 0x4)
 826                 mode->flags |= DRM_MODE_FLAG_PVSYNC;
 827 }
 828
 829 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
 830 {
 831         struct intel_sdvo_encode encode;
 832
 833         BUILD_BUG_ON(sizeof(encode) != 2);
 834         return intel_sdvo_get_value(intel_sdvo,
 835                                   SDVO_CMD_GET_SUPP_ENCODE,
 836                                   &encode, sizeof(encode));
 837 }
 838
 839 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
 840                                   uint8_t mode)
 841 {
 842         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
 843 }
 844
 845 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
 846                                        uint8_t mode)
 847 {
 848         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
 849 }
 850
 851 #if 0
 852 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
 853 {
 854         int i, j;
 855         uint8_t set_buf_index[2];
 856         uint8_t av_split;
 857         uint8_t buf_size;
 858         uint8_t buf[48];
 859         uint8_t *pos;
 860
 861         intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
 862
 863         for (i = 0; i <= av_split; i++) {
 864                 set_buf_index[0] = i; set_buf_index[1] = 0;
 865                 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
 866                                      set_buf_index, 2);
 867                 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
 868                 intel_sdvo_read_response(encoder, &buf_size, 1);
 869
 870                 pos = buf;
 871                 for (j = 0; j <= buf_size; j += 8) {
 872                         intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
 873                                              NULL, 0);
 874                         intel_sdvo_read_response(encoder, pos, 8);
 875                         pos += 8;
 876                 }
 877         }
 878 }
 879 #endif
 880
 881 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
 882 {
 883         struct dip_infoframe avi_if = {
 884                 .type = DIP_TYPE_AVI,
 885                 .ver = DIP_VERSION_AVI,
 886                 .len = DIP_LEN_AVI,
 887         };
 888         uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
 889         uint8_t set_buf_index[2] = { 1, 0 };
 890         uint8_t sdvo_data[4 + sizeof(avi_if.body.avi)];
 891         uint64_t *data = (uint64_t *)sdvo_data;
 892         unsigned i;
 893
 894         intel_dip_infoframe_csum(&avi_if);
 895
 896         /* sdvo spec says that the ecc is handled by the hw, and it looks like
 897          * we must not send the ecc field, either. */
 898         memcpy(sdvo_data, &avi_if, 3);
 899         sdvo_data[3] = avi_if.checksum;
 900         memcpy(&sdvo_data[4], &avi_if.body, sizeof(avi_if.body.avi));
 901
 902         if (!intel_sdvo_set_value(intel_sdvo,
 903                                   SDVO_CMD_SET_HBUF_INDEX,
 904                                   set_buf_index, 2))
 905                 return false;
 906
 907         for (i = 0; i < sizeof(sdvo_data); i += 8) {
 908                 if (!intel_sdvo_set_value(intel_sdvo,
 909                                           SDVO_CMD_SET_HBUF_DATA,
 910                                           data, 8))
 911                         return false;
 912                 data++;
 913         }
 914
 915         return intel_sdvo_set_value(intel_sdvo,
 916                                     SDVO_CMD_SET_HBUF_TXRATE,
 917                                     &tx_rate, 1);
 918 }
 919
 920 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
 921 {
 922         struct intel_sdvo_tv_format format;
 923         uint32_t format_map;
 924
 925         format_map = 1 << intel_sdvo->tv_format_index;
 926         memset(&format, 0, sizeof(format));
 927         memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
 928
 929         BUILD_BUG_ON(sizeof(format) != 6);
 930         return intel_sdvo_set_value(intel_sdvo,
 931                                     SDVO_CMD_SET_TV_FORMAT,
 932                                     &format, sizeof(format));
 933 }
 934
 935 static bool
 936 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
 937                                         struct drm_display_mode *mode)
 938 {
 939         struct intel_sdvo_dtd output_dtd;
 940
 941         if (!intel_sdvo_set_target_output(intel_sdvo,
 942                                           intel_sdvo->attached_output))
 943                 return false;
 944
 945         intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
 946         if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
 947                 return false;
 948
 949         return true;
 950 }
 951
 952 static bool
 953 intel_sdvo_set_input_timings_for_mode(struct intel_sdvo *intel_sdvo,
 954                                         struct drm_display_mode *mode,
 955                                         struct drm_display_mode *adjusted_mode)
 956 {
 957         /* Reset the input timing to the screen. Assume always input 0. */
 958         if (!intel_sdvo_set_target_input(intel_sdvo))
 959                 return false;
 960
 961         if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
 962                                                       mode->clock / 10,
 963                                                       mode->hdisplay,
 964                                                       mode->vdisplay))
 965                 return false;
 966
 967         if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
 968                                                    &intel_sdvo->input_dtd))
 969                 return false;
 970
 971         intel_sdvo_get_mode_from_dtd(adjusted_mode, &intel_sdvo->input_dtd);
 972
 973         return true;
 974 }
 975
 976 static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
 977                                   struct drm_display_mode *mode,
 978                                   struct drm_display_mode *adjusted_mode)
 979 {
 980         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
 981         int multiplier;
 982
 983         /* We need to construct preferred input timings based on our
 984          * output timings.  To do that, we have to set the output
 985          * timings, even though this isn't really the right place in
 986          * the sequence to do it. Oh well.
 987          */
 988         if (intel_sdvo->is_tv) {
 989                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
 990                         return false;
 991
 992                 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
 993                                                              mode,
 994                                                              adjusted_mode);
 995         } else if (intel_sdvo->is_lvds) {
 996                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
 997                                                              intel_sdvo->sdvo_lvds_fixed_mode))
 998                         return false;
 999
1000                 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
1001                                                              mode,
1002                                                              adjusted_mode);
1003         }
1004
1005         /* Make the CRTC code factor in the SDVO pixel multiplier.  The
1006          * SDVO device will factor out the multiplier during mode_set.
1007          */
1008         multiplier = intel_sdvo_get_pixel_multiplier(adjusted_mode);
1009         intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
1010
1011         return true;
1012 }
1013
1014 static void intel_sdvo_mode_set(struct drm_encoder *encoder,
1015                                 struct drm_display_mode *mode,
1016                                 struct drm_display_mode *adjusted_mode)
1017 {
1018         struct drm_device *dev = encoder->dev;
1019         struct drm_i915_private *dev_priv = dev->dev_private;
1020         struct drm_crtc *crtc = encoder->crtc;
1021         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
1022         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1023         u32 sdvox;
1024         struct intel_sdvo_in_out_map in_out;
1025         struct intel_sdvo_dtd input_dtd, output_dtd;
1026         int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
1027         int rate;
1028
1029         if (!mode)
1030                 return;
1031
1032         /* First, set the input mapping for the first input to our controlled
1033          * output. This is only correct if we're a single-input device, in
1034          * which case the first input is the output from the appropriate SDVO
1035          * channel on the motherboard.  In a two-input device, the first input
1036          * will be SDVOB and the second SDVOC.
1037          */
1038         in_out.in0 = intel_sdvo->attached_output;
1039         in_out.in1 = 0;
1040
1041         intel_sdvo_set_value(intel_sdvo,
1042                              SDVO_CMD_SET_IN_OUT_MAP,
1043                              &in_out, sizeof(in_out));
1044
1045         /* Set the output timings to the screen */
1046         if (!intel_sdvo_set_target_output(intel_sdvo,
1047                                           intel_sdvo->attached_output))
1048                 return;
1049
1050         /* lvds has a special fixed output timing. */
1051         if (intel_sdvo->is_lvds)
1052                 intel_sdvo_get_dtd_from_mode(&output_dtd,
1053                                              intel_sdvo->sdvo_lvds_fixed_mode);
1054         else
1055                 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1056         (void) intel_sdvo_set_output_timing(intel_sdvo, &output_dtd);
1057
1058         /* Set the input timing to the screen. Assume always input 0. */
1059         if (!intel_sdvo_set_target_input(intel_sdvo))
1060                 return;
1061
1062         if (intel_sdvo->has_hdmi_monitor) {
1063                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1064                 intel_sdvo_set_colorimetry(intel_sdvo,
1065                                            SDVO_COLORIMETRY_RGB256);
1066                 intel_sdvo_set_avi_infoframe(intel_sdvo);
1067         } else
1068                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1069
1070         if (intel_sdvo->is_tv &&
1071             !intel_sdvo_set_tv_format(intel_sdvo))
1072                 return;
1073
1074         /* We have tried to get input timing in mode_fixup, and filled into
1075          * adjusted_mode.
1076          */
1077         intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1078         (void) intel_sdvo_set_input_timing(intel_sdvo, &input_dtd);
1079
1080         switch (pixel_multiplier) {
1081         default:
1082         case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1083         case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1084         case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1085         }
1086         if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1087                 return;
1088
1089         /* Set the SDVO control regs. */
1090         if (INTEL_INFO(dev)->gen >= 4) {
1091                 /* The real mode polarity is set by the SDVO commands, using
1092                  * struct intel_sdvo_dtd. */
1093                 sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
1094                 if (intel_sdvo->is_hdmi)
1095                         sdvox |= intel_sdvo->color_range;
1096                 if (INTEL_INFO(dev)->gen < 5)
1097                         sdvox |= SDVO_BORDER_ENABLE;
1098         } else {
1099                 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1100                 switch (intel_sdvo->sdvo_reg) {
1101                 case SDVOB:
1102                         sdvox &= SDVOB_PRESERVE_MASK;
1103                         break;
1104                 case SDVOC:
1105                         sdvox &= SDVOC_PRESERVE_MASK;
1106                         break;
1107                 }
1108                 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1109         }
1110
1111         if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
1112                 sdvox |= TRANSCODER_CPT(intel_crtc->pipe);
1113         else
1114                 sdvox |= TRANSCODER(intel_crtc->pipe);
1115
1116         if (intel_sdvo->has_hdmi_audio)
1117                 sdvox |= SDVO_AUDIO_ENABLE;
1118
1119         if (INTEL_INFO(dev)->gen >= 4) {
1120                 /* done in crtc_mode_set as the dpll_md reg must be written early */
1121         } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1122                 /* done in crtc_mode_set as it lives inside the dpll register */
1123         } else {
1124                 sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1125         }
1126
1127         if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1128             INTEL_INFO(dev)->gen < 5)
1129                 sdvox |= SDVO_STALL_SELECT;
1130         intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1131 }
1132
1133 static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1134 {
1135         struct drm_device *dev = encoder->dev;
1136         struct drm_i915_private *dev_priv = dev->dev_private;
1137         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1138         struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
1139         u32 temp;
1140
1141         if (mode != DRM_MODE_DPMS_ON) {
1142                 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1143                 if (0)
1144                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1145
1146                 if (mode == DRM_MODE_DPMS_OFF) {
1147                         temp = I915_READ(intel_sdvo->sdvo_reg);
1148                         if ((temp & SDVO_ENABLE) != 0) {
1149                                 intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
1150                         }
1151                 }
1152         } else {
1153                 bool input1, input2;
1154                 int i;
1155                 u8 status;
1156
1157                 temp = I915_READ(intel_sdvo->sdvo_reg);
1158                 if ((temp & SDVO_ENABLE) == 0)
1159                         intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
1160                 for (i = 0; i < 2; i++)
1161                         intel_wait_for_vblank(dev, intel_crtc->pipe);
1162
1163                 status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1164                 /* Warn if the device reported failure to sync.
1165                  * A lot of SDVO devices fail to notify of sync, but it's
1166                  * a given it the status is a success, we succeeded.
1167                  */
1168                 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1169                         DRM_DEBUG_KMS("First %s output reported failure to "
1170                                         "sync\n", SDVO_NAME(intel_sdvo));
1171                 }
1172
1173                 if (0)
1174                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1175                 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1176         }
1177         return;
1178 }
1179
1180 static int intel_sdvo_mode_valid(struct drm_connector *connector,
1181                                  struct drm_display_mode *mode)
1182 {
1183         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1184
1185         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1186                 return MODE_NO_DBLESCAN;
1187
1188         if (intel_sdvo->pixel_clock_min > mode->clock)
1189                 return MODE_CLOCK_LOW;
1190
1191         if (intel_sdvo->pixel_clock_max < mode->clock)
1192                 return MODE_CLOCK_HIGH;
1193
1194         if (intel_sdvo->is_lvds) {
1195                 if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1196                         return MODE_PANEL;
1197
1198                 if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1199                         return MODE_PANEL;
1200         }
1201
1202         return MODE_OK;
1203 }
1204
1205 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1206 {
1207         BUILD_BUG_ON(sizeof(*caps) != 8);
1208         if (!intel_sdvo_get_value(intel_sdvo,
1209                                   SDVO_CMD_GET_DEVICE_CAPS,
1210                                   caps, sizeof(*caps)))
1211                 return false;
1212
1213         DRM_DEBUG_KMS("SDVO capabilities:\n"
1214                       "  vendor_id: %d\n"
1215                       "  device_id: %d\n"
1216                       "  device_rev_id: %d\n"
1217                       "  sdvo_version_major: %d\n"
1218                       "  sdvo_version_minor: %d\n"
1219                       "  sdvo_inputs_mask: %d\n"
1220                       "  smooth_scaling: %d\n"
1221                       "  sharp_scaling: %d\n"
1222                       "  up_scaling: %d\n"
1223                       "  down_scaling: %d\n"
1224                       "  stall_support: %d\n"
1225                       "  output_flags: %d\n",
1226                       caps->vendor_id,
1227                       caps->device_id,
1228                       caps->device_rev_id,
1229                       caps->sdvo_version_major,
1230                       caps->sdvo_version_minor,
1231                       caps->sdvo_inputs_mask,
1232                       caps->smooth_scaling,
1233                       caps->sharp_scaling,
1234                       caps->up_scaling,
1235                       caps->down_scaling,
1236                       caps->stall_support,
1237                       caps->output_flags);
1238
1239         return true;
1240 }
1241
1242 static int intel_sdvo_supports_hotplug(struct intel_sdvo *intel_sdvo)
1243 {
1244         struct drm_device *dev = intel_sdvo->base.base.dev;
1245         u8 response[2];
1246
1247         /* HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
1248          * on the line. */
1249         if (IS_I945G(dev) || IS_I945GM(dev))
1250                 return false;
1251
1252         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1253                                     &response, 2) && response[0];
1254 }
1255
1256 static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
1257 {
1258         struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1259
1260         intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &intel_sdvo->hotplug_active, 2);
1261 }
1262
1263 static bool
1264 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1265 {
1266         /* Is there more than one type of output? */
1267         return hweight16(intel_sdvo->caps.output_flags) > 1;
1268 }
1269
1270 static struct edid *
1271 intel_sdvo_get_edid(struct drm_connector *connector)
1272 {
1273         struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
1274         return drm_get_edid(connector, &sdvo->ddc);
1275 }
1276
1277 /* Mac mini hack -- use the same DDC as the analog connector */
1278 static struct edid *
1279 intel_sdvo_get_analog_edid(struct drm_connector *connector)
1280 {
1281         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1282
1283         return drm_get_edid(connector,
1284                             intel_gmbus_get_adapter(dev_priv,
1285                                                     dev_priv->crt_ddc_pin));
1286 }
1287
1288 static enum drm_connector_status
1289 intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
1290 {
1291         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1292         enum drm_connector_status status;
1293         struct edid *edid;
1294
1295         edid = intel_sdvo_get_edid(connector);
1296
1297         if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1298                 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1299
1300                 /*
1301                  * Don't use the 1 as the argument of DDC bus switch to get
1302                  * the EDID. It is used for SDVO SPD ROM.
1303                  */
1304                 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1305                         intel_sdvo->ddc_bus = ddc;
1306                         edid = intel_sdvo_get_edid(connector);
1307                         if (edid)
1308                                 break;
1309                 }
1310                 /*
1311                  * If we found the EDID on the other bus,
1312                  * assume that is the correct DDC bus.
1313                  */
1314                 if (edid == NULL)
1315                         intel_sdvo->ddc_bus = saved_ddc;
1316         }
1317
1318         /*
1319          * When there is no edid and no monitor is connected with VGA
1320          * port, try to use the CRT ddc to read the EDID for DVI-connector.
1321          */
1322         if (edid == NULL)
1323                 edid = intel_sdvo_get_analog_edid(connector);
1324
1325         status = connector_status_unknown;
1326         if (edid != NULL) {
1327                 /* DDC bus is shared, match EDID to connector type */
1328                 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1329                         status = connector_status_connected;
1330                         if (intel_sdvo->is_hdmi) {
1331                                 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1332                                 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1333                         }
1334                 } else
1335                         status = connector_status_disconnected;
1336                 connector->display_info.raw_edid = NULL;
1337                 kfree(edid);
1338         }
1339
1340         if (status == connector_status_connected) {
1341                 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1342                 if (intel_sdvo_connector->force_audio != HDMI_AUDIO_AUTO)
1343                         intel_sdvo->has_hdmi_audio = (intel_sdvo_connector->force_audio == HDMI_AUDIO_ON);
1344         }
1345
1346         return status;
1347 }
1348
1349 static bool
1350 intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
1351                                   struct edid *edid)
1352 {
1353         bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1354         bool connector_is_digital = !!IS_DIGITAL(sdvo);
1355
1356         DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
1357                       connector_is_digital, monitor_is_digital);
1358         return connector_is_digital == monitor_is_digital;
1359 }
1360
1361 static enum drm_connector_status
1362 intel_sdvo_detect(struct drm_connector *connector, bool force)
1363 {
1364         uint16_t response;
1365         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1366         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1367         enum drm_connector_status ret;
1368
1369         if (!intel_sdvo_write_cmd(intel_sdvo,
1370                                   SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
1371                 return connector_status_unknown;
1372
1373         /* add 30ms delay when the output type might be TV */
1374         if (intel_sdvo->caps.output_flags & SDVO_TV_MASK)
1375                 mdelay(30);
1376
1377         if (!intel_sdvo_read_response(intel_sdvo, &response, 2))
1378                 return connector_status_unknown;
1379
1380         DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1381                       response & 0xff, response >> 8,
1382                       intel_sdvo_connector->output_flag);
1383
1384         if (response == 0)
1385                 return connector_status_disconnected;
1386
1387         intel_sdvo->attached_output = response;
1388
1389         intel_sdvo->has_hdmi_monitor = false;
1390         intel_sdvo->has_hdmi_audio = false;
1391
1392         if ((intel_sdvo_connector->output_flag & response) == 0)
1393                 ret = connector_status_disconnected;
1394         else if (IS_TMDS(intel_sdvo_connector))
1395                 ret = intel_sdvo_tmds_sink_detect(connector);
1396         else {
1397                 struct edid *edid;
1398
1399                 /* if we have an edid check it matches the connection */
1400                 edid = intel_sdvo_get_edid(connector);
1401                 if (edid == NULL)
1402                         edid = intel_sdvo_get_analog_edid(connector);
1403                 if (edid != NULL) {
1404                         if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
1405                                                               edid))
1406                                 ret = connector_status_connected;
1407                         else
1408                                 ret = connector_status_disconnected;
1409
1410                         connector->display_info.raw_edid = NULL;
1411                         kfree(edid);
1412                 } else
1413                         ret = connector_status_connected;
1414         }
1415
1416         /* May update encoder flag for like clock for SDVO TV, etc.*/
1417         if (ret == connector_status_connected) {
1418                 intel_sdvo->is_tv = false;
1419                 intel_sdvo->is_lvds = false;
1420                 intel_sdvo->base.needs_tv_clock = false;
1421
1422                 if (response & SDVO_TV_MASK) {
1423                         intel_sdvo->is_tv = true;
1424                         intel_sdvo->base.needs_tv_clock = true;
1425                 }
1426                 if (response & SDVO_LVDS_MASK)
1427                         intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1428         }
1429
1430         return ret;
1431 }
1432
1433 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1434 {
1435         struct edid *edid;
1436
1437         /* set the bus switch and get the modes */
1438         edid = intel_sdvo_get_edid(connector);
1439
1440         /*
1441          * Mac mini hack.  On this device, the DVI-I connector shares one DDC
1442          * link between analog and digital outputs. So, if the regular SDVO
1443          * DDC fails, check to see if the analog output is disconnected, in
1444          * which case we'll look there for the digital DDC data.
1445          */
1446         if (edid == NULL)
1447                 edid = intel_sdvo_get_analog_edid(connector);
1448
1449         if (edid != NULL) {
1450                 if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
1451                                                       edid)) {
1452                         drm_mode_connector_update_edid_property(connector, edid);
1453                         drm_add_edid_modes(connector, edid);
1454                 }
1455
1456                 connector->display_info.raw_edid = NULL;
1457                 kfree(edid);
1458         }
1459 }
1460
1461 /*
1462  * Set of SDVO TV modes.
1463  * Note!  This is in reply order (see loop in get_tv_modes).
1464  * XXX: all 60Hz refresh?
1465  */
1466 static const struct drm_display_mode sdvo_tv_modes[] = {
1467         { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1468                    416, 0, 200, 201, 232, 233, 0,
1469                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1470         { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1471                    416, 0, 240, 241, 272, 273, 0,
1472                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1473         { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1474                    496, 0, 300, 301, 332, 333, 0,
1475                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1476         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1477                    736, 0, 350, 351, 382, 383, 0,
1478                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1479         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1480                    736, 0, 400, 401, 432, 433, 0,
1481                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1482         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1483                    736, 0, 480, 481, 512, 513, 0,
1484                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1485         { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1486                    800, 0, 480, 481, 512, 513, 0,
1487                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1488         { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1489                    800, 0, 576, 577, 608, 609, 0,
1490                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1491         { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1492                    816, 0, 350, 351, 382, 383, 0,
1493                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1494         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1495                    816, 0, 400, 401, 432, 433, 0,
1496                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1497         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1498                    816, 0, 480, 481, 512, 513, 0,
1499                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1500         { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1501                    816, 0, 540, 541, 572, 573, 0,
1502                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1503         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1504                    816, 0, 576, 577, 608, 609, 0,
1505                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1506         { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1507                    864, 0, 576, 577, 608, 609, 0,
1508                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1509         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1510                    896, 0, 600, 601, 632, 633, 0,
1511                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1512         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1513                    928, 0, 624, 625, 656, 657, 0,
1514                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1515         { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1516                    1016, 0, 766, 767, 798, 799, 0,
1517                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1518         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1519                    1120, 0, 768, 769, 800, 801, 0,
1520                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1521         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1522                    1376, 0, 1024, 1025, 1056, 1057, 0,
1523                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1524 };
1525
1526 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1527 {
1528         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1529         struct intel_sdvo_sdtv_resolution_request tv_res;
1530         uint32_t reply = 0, format_map = 0;
1531         int i;
1532
1533         /* Read the list of supported input resolutions for the selected TV
1534          * format.
1535          */
1536         format_map = 1 << intel_sdvo->tv_format_index;
1537         memcpy(&tv_res, &format_map,
1538                min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1539
1540         if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1541                 return;
1542
1543         BUILD_BUG_ON(sizeof(tv_res) != 3);
1544         if (!intel_sdvo_write_cmd(intel_sdvo,
1545                                   SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1546                                   &tv_res, sizeof(tv_res)))
1547                 return;
1548         if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1549                 return;
1550
1551         for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1552                 if (reply & (1 << i)) {
1553                         struct drm_display_mode *nmode;
1554                         nmode = drm_mode_duplicate(connector->dev,
1555                                                    &sdvo_tv_modes[i]);
1556                         if (nmode)
1557                                 drm_mode_probed_add(connector, nmode);
1558                 }
1559 }
1560
1561 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1562 {
1563         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1564         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1565         struct drm_display_mode *newmode;
1566
1567         /*
1568          * Attempt to get the mode list from DDC.
1569          * Assume that the preferred modes are
1570          * arranged in priority order.
1571          */
1572         intel_ddc_get_modes(connector, intel_sdvo->i2c);
1573         if (list_empty(&connector->probed_modes) == false)
1574                 goto end;
1575
1576         /* Fetch modes from VBT */
1577         if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1578                 newmode = drm_mode_duplicate(connector->dev,
1579                                              dev_priv->sdvo_lvds_vbt_mode);
1580                 if (newmode != NULL) {
1581                         /* Guarantee the mode is preferred */
1582                         newmode->type = (DRM_MODE_TYPE_PREFERRED |
1583                                          DRM_MODE_TYPE_DRIVER);
1584                         drm_mode_probed_add(connector, newmode);
1585                 }
1586         }
1587
1588 end:
1589         list_for_each_entry(newmode, &connector->probed_modes, head) {
1590                 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1591                         intel_sdvo->sdvo_lvds_fixed_mode =
1592                                 drm_mode_duplicate(connector->dev, newmode);
1593
1594                         intel_sdvo->is_lvds = true;
1595                         break;
1596                 }
1597         }
1598
1599 }
1600
1601 static int intel_sdvo_get_modes(struct drm_connector *connector)
1602 {
1603         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1604
1605         if (IS_TV(intel_sdvo_connector))
1606                 intel_sdvo_get_tv_modes(connector);
1607         else if (IS_LVDS(intel_sdvo_connector))
1608                 intel_sdvo_get_lvds_modes(connector);
1609         else
1610                 intel_sdvo_get_ddc_modes(connector);
1611
1612         return !list_empty(&connector->probed_modes);
1613 }
1614
1615 static void
1616 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1617 {
1618         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1619         struct drm_device *dev = connector->dev;
1620
1621         if (intel_sdvo_connector->left)
1622                 drm_property_destroy(dev, intel_sdvo_connector->left);
1623         if (intel_sdvo_connector->right)
1624                 drm_property_destroy(dev, intel_sdvo_connector->right);
1625         if (intel_sdvo_connector->top)
1626                 drm_property_destroy(dev, intel_sdvo_connector->top);
1627         if (intel_sdvo_connector->bottom)
1628                 drm_property_destroy(dev, intel_sdvo_connector->bottom);
1629         if (intel_sdvo_connector->hpos)
1630                 drm_property_destroy(dev, intel_sdvo_connector->hpos);
1631         if (intel_sdvo_connector->vpos)
1632                 drm_property_destroy(dev, intel_sdvo_connector->vpos);
1633         if (intel_sdvo_connector->saturation)
1634                 drm_property_destroy(dev, intel_sdvo_connector->saturation);
1635         if (intel_sdvo_connector->contrast)
1636                 drm_property_destroy(dev, intel_sdvo_connector->contrast);
1637         if (intel_sdvo_connector->hue)
1638                 drm_property_destroy(dev, intel_sdvo_connector->hue);
1639         if (intel_sdvo_connector->sharpness)
1640                 drm_property_destroy(dev, intel_sdvo_connector->sharpness);
1641         if (intel_sdvo_connector->flicker_filter)
1642                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
1643         if (intel_sdvo_connector->flicker_filter_2d)
1644                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
1645         if (intel_sdvo_connector->flicker_filter_adaptive)
1646                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
1647         if (intel_sdvo_connector->tv_luma_filter)
1648                 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
1649         if (intel_sdvo_connector->tv_chroma_filter)
1650                 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
1651         if (intel_sdvo_connector->dot_crawl)
1652                 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
1653         if (intel_sdvo_connector->brightness)
1654                 drm_property_destroy(dev, intel_sdvo_connector->brightness);
1655 }
1656
1657 static void intel_sdvo_destroy(struct drm_connector *connector)
1658 {
1659         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1660
1661         if (intel_sdvo_connector->tv_format)
1662                 drm_property_destroy(connector->dev,
1663                                      intel_sdvo_connector->tv_format);
1664
1665         intel_sdvo_destroy_enhance_property(connector);
1666         drm_sysfs_connector_remove(connector);
1667         drm_connector_cleanup(connector);
1668         kfree(connector);
1669 }
1670
1671 static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
1672 {
1673         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1674         struct edid *edid;
1675         bool has_audio = false;
1676
1677         if (!intel_sdvo->is_hdmi)
1678                 return false;
1679
1680         edid = intel_sdvo_get_edid(connector);
1681         if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
1682                 has_audio = drm_detect_monitor_audio(edid);
1683
1684         return has_audio;
1685 }
1686
1687 static int
1688 intel_sdvo_set_property(struct drm_connector *connector,
1689                         struct drm_property *property,
1690                         uint64_t val)
1691 {
1692         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1693         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1694         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1695         uint16_t temp_value;
1696         uint8_t cmd;
1697         int ret;
1698
1699         ret = drm_connector_property_set_value(connector, property, val);
1700         if (ret)
1701                 return ret;
1702
1703         if (property == dev_priv->force_audio_property) {
1704                 int i = val;
1705                 bool has_audio;
1706
1707                 if (i == intel_sdvo_connector->force_audio)
1708                         return 0;
1709
1710                 intel_sdvo_connector->force_audio = i;
1711
1712                 if (i == HDMI_AUDIO_AUTO)
1713                         has_audio = intel_sdvo_detect_hdmi_audio(connector);
1714                 else
1715                         has_audio = (i == HDMI_AUDIO_ON);
1716
1717                 if (has_audio == intel_sdvo->has_hdmi_audio)
1718                         return 0;
1719
1720                 intel_sdvo->has_hdmi_audio = has_audio;
1721                 goto done;
1722         }
1723
1724         if (property == dev_priv->broadcast_rgb_property) {
1725                 if (val == !!intel_sdvo->color_range)
1726                         return 0;
1727
1728                 intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
1729                 goto done;
1730         }
1731
1732 #define CHECK_PROPERTY(name, NAME) \
1733         if (intel_sdvo_connector->name == property) { \
1734                 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
1735                 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1736                 cmd = SDVO_CMD_SET_##NAME; \
1737                 intel_sdvo_connector->cur_##name = temp_value; \
1738                 goto set_value; \
1739         }
1740
1741         if (property == intel_sdvo_connector->tv_format) {
1742                 if (val >= TV_FORMAT_NUM)
1743                         return -EINVAL;
1744
1745                 if (intel_sdvo->tv_format_index ==
1746                     intel_sdvo_connector->tv_format_supported[val])
1747                         return 0;
1748
1749                 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
1750                 goto done;
1751         } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
1752                 temp_value = val;
1753                 if (intel_sdvo_connector->left == property) {
1754                         drm_connector_property_set_value(connector,
1755                                                          intel_sdvo_connector->right, val);
1756                         if (intel_sdvo_connector->left_margin == temp_value)
1757                                 return 0;
1758
1759                         intel_sdvo_connector->left_margin = temp_value;
1760                         intel_sdvo_connector->right_margin = temp_value;
1761                         temp_value = intel_sdvo_connector->max_hscan -
1762                                 intel_sdvo_connector->left_margin;
1763                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1764                         goto set_value;
1765                 } else if (intel_sdvo_connector->right == property) {
1766                         drm_connector_property_set_value(connector,
1767                                                          intel_sdvo_connector->left, val);
1768                         if (intel_sdvo_connector->right_margin == temp_value)
1769                                 return 0;
1770
1771                         intel_sdvo_connector->left_margin = temp_value;
1772                         intel_sdvo_connector->right_margin = temp_value;
1773                         temp_value = intel_sdvo_connector->max_hscan -
1774                                 intel_sdvo_connector->left_margin;
1775                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1776                         goto set_value;
1777                 } else if (intel_sdvo_connector->top == property) {
1778                         drm_connector_property_set_value(connector,
1779                                                          intel_sdvo_connector->bottom, val);
1780                         if (intel_sdvo_connector->top_margin == temp_value)
1781                                 return 0;
1782
1783                         intel_sdvo_connector->top_margin = temp_value;
1784                         intel_sdvo_connector->bottom_margin = temp_value;
1785                         temp_value = intel_sdvo_connector->max_vscan -
1786                                 intel_sdvo_connector->top_margin;
1787                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1788                         goto set_value;
1789                 } else if (intel_sdvo_connector->bottom == property) {
1790                         drm_connector_property_set_value(connector,
1791                                                          intel_sdvo_connector->top, val);
1792                         if (intel_sdvo_connector->bottom_margin == temp_value)
1793                                 return 0;
1794
1795                         intel_sdvo_connector->top_margin = temp_value;
1796                         intel_sdvo_connector->bottom_margin = temp_value;
1797                         temp_value = intel_sdvo_connector->max_vscan -
1798                                 intel_sdvo_connector->top_margin;
1799                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1800                         goto set_value;
1801                 }
1802                 CHECK_PROPERTY(hpos, HPOS)
1803                 CHECK_PROPERTY(vpos, VPOS)
1804                 CHECK_PROPERTY(saturation, SATURATION)
1805                 CHECK_PROPERTY(contrast, CONTRAST)
1806                 CHECK_PROPERTY(hue, HUE)
1807                 CHECK_PROPERTY(brightness, BRIGHTNESS)
1808                 CHECK_PROPERTY(sharpness, SHARPNESS)
1809                 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1810                 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1811                 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1812                 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1813                 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1814                 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1815         }
1816
1817         return -EINVAL; /* unknown property */
1818
1819 set_value:
1820         if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
1821                 return -EIO;
1822
1823
1824 done:
1825         if (intel_sdvo->base.base.crtc) {
1826                 struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
1827                 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1828                                          crtc->y, crtc->fb);
1829         }
1830
1831         return 0;
1832 #undef CHECK_PROPERTY
1833 }
1834
1835 static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
1836         .dpms = intel_sdvo_dpms,
1837         .mode_fixup = intel_sdvo_mode_fixup,
1838         .prepare = intel_encoder_prepare,
1839         .mode_set = intel_sdvo_mode_set,
1840         .commit = intel_encoder_commit,
1841 };
1842
1843 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
1844         .dpms = drm_helper_connector_dpms,
1845         .detect = intel_sdvo_detect,
1846         .fill_modes = drm_helper_probe_single_connector_modes,
1847         .set_property = intel_sdvo_set_property,
1848         .destroy = intel_sdvo_destroy,
1849 };
1850
1851 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
1852         .get_modes = intel_sdvo_get_modes,
1853         .mode_valid = intel_sdvo_mode_valid,
1854         .best_encoder = intel_best_encoder,
1855 };
1856
1857 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
1858 {
1859         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1860
1861         if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
1862                 drm_mode_destroy(encoder->dev,
1863                                  intel_sdvo->sdvo_lvds_fixed_mode);
1864
1865         i2c_del_adapter(&intel_sdvo->ddc);
1866         intel_encoder_destroy(encoder);
1867 }
1868
1869 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
1870         .destroy = intel_sdvo_enc_destroy,
1871 };
1872
1873 static void
1874 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
1875 {
1876         uint16_t mask = 0;
1877         unsigned int num_bits;
1878
1879         /* Make a mask of outputs less than or equal to our own priority in the
1880          * list.
1881          */
1882         switch (sdvo->controlled_output) {
1883         case SDVO_OUTPUT_LVDS1:
1884                 mask |= SDVO_OUTPUT_LVDS1;
1885         case SDVO_OUTPUT_LVDS0:
1886                 mask |= SDVO_OUTPUT_LVDS0;
1887         case SDVO_OUTPUT_TMDS1:
1888                 mask |= SDVO_OUTPUT_TMDS1;
1889         case SDVO_OUTPUT_TMDS0:
1890                 mask |= SDVO_OUTPUT_TMDS0;
1891         case SDVO_OUTPUT_RGB1:
1892                 mask |= SDVO_OUTPUT_RGB1;
1893         case SDVO_OUTPUT_RGB0:
1894                 mask |= SDVO_OUTPUT_RGB0;
1895                 break;
1896         }
1897
1898         /* Count bits to find what number we are in the priority list. */
1899         mask &= sdvo->caps.output_flags;
1900         num_bits = hweight16(mask);
1901         /* If more than 3 outputs, default to DDC bus 3 for now. */
1902         if (num_bits > 3)
1903                 num_bits = 3;
1904
1905         /* Corresponds to SDVO_CONTROL_BUS_DDCx */
1906         sdvo->ddc_bus = 1 << num_bits;
1907 }
1908
1909 /**
1910  * Choose the appropriate DDC bus for control bus switch command for this
1911  * SDVO output based on the controlled output.
1912  *
1913  * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
1914  * outputs, then LVDS outputs.
1915  */
1916 static void
1917 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
1918                           struct intel_sdvo *sdvo, u32 reg)
1919 {
1920         struct sdvo_device_mapping *mapping;
1921
1922         if (sdvo->is_sdvob)
1923                 mapping = &(dev_priv->sdvo_mappings[0]);
1924         else
1925                 mapping = &(dev_priv->sdvo_mappings[1]);
1926
1927         if (mapping->initialized)
1928                 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
1929         else
1930                 intel_sdvo_guess_ddc_bus(sdvo);
1931 }
1932
1933 static void
1934 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
1935                           struct intel_sdvo *sdvo, u32 reg)
1936 {
1937         struct sdvo_device_mapping *mapping;
1938         u8 pin;
1939
1940         if (sdvo->is_sdvob)
1941                 mapping = &dev_priv->sdvo_mappings[0];
1942         else
1943                 mapping = &dev_priv->sdvo_mappings[1];
1944
1945         pin = GMBUS_PORT_DPB;
1946         if (mapping->initialized)
1947                 pin = mapping->i2c_pin;
1948
1949         if (intel_gmbus_is_port_valid(pin)) {
1950                 sdvo->i2c = intel_gmbus_get_adapter(dev_priv, pin);
1951                 intel_gmbus_set_speed(sdvo->i2c, GMBUS_RATE_1MHZ);
1952                 intel_gmbus_force_bit(sdvo->i2c, true);
1953         } else {
1954                 sdvo->i2c = intel_gmbus_get_adapter(dev_priv, GMBUS_PORT_DPB);
1955         }
1956 }
1957
1958 static bool
1959 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
1960 {
1961         return intel_sdvo_check_supp_encode(intel_sdvo);
1962 }
1963
1964 static u8
1965 intel_sdvo_get_slave_addr(struct drm_device *dev, struct intel_sdvo *sdvo)
1966 {
1967         struct drm_i915_private *dev_priv = dev->dev_private;
1968         struct sdvo_device_mapping *my_mapping, *other_mapping;
1969
1970         if (sdvo->is_sdvob) {
1971                 my_mapping = &dev_priv->sdvo_mappings[0];
1972                 other_mapping = &dev_priv->sdvo_mappings[1];
1973         } else {
1974                 my_mapping = &dev_priv->sdvo_mappings[1];
1975                 other_mapping = &dev_priv->sdvo_mappings[0];
1976         }
1977
1978         /* If the BIOS described our SDVO device, take advantage of it. */
1979         if (my_mapping->slave_addr)
1980                 return my_mapping->slave_addr;
1981
1982         /* If the BIOS only described a different SDVO device, use the
1983          * address that it isn't using.
1984          */
1985         if (other_mapping->slave_addr) {
1986                 if (other_mapping->slave_addr == 0x70)
1987                         return 0x72;
1988                 else
1989                         return 0x70;
1990         }
1991
1992         /* No SDVO device info is found for another DVO port,
1993          * so use mapping assumption we had before BIOS parsing.
1994          */
1995         if (sdvo->is_sdvob)
1996                 return 0x70;
1997         else
1998                 return 0x72;
1999 }
2000
2001 static void
2002 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2003                           struct intel_sdvo *encoder)
2004 {
2005         drm_connector_init(encoder->base.base.dev,
2006                            &connector->base.base,
2007                            &intel_sdvo_connector_funcs,
2008                            connector->base.base.connector_type);
2009
2010         drm_connector_helper_add(&connector->base.base,
2011                                  &intel_sdvo_connector_helper_funcs);
2012
2013         connector->base.base.interlace_allowed = 1;
2014         connector->base.base.doublescan_allowed = 0;
2015         connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2016
2017         intel_connector_attach_encoder(&connector->base, &encoder->base);
2018         drm_sysfs_connector_add(&connector->base.base);
2019 }
2020
2021 static void
2022 intel_sdvo_add_hdmi_properties(struct intel_sdvo_connector *connector)
2023 {
2024         struct drm_device *dev = connector->base.base.dev;
2025
2026         intel_attach_force_audio_property(&connector->base.base);
2027         if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev))
2028                 intel_attach_broadcast_rgb_property(&connector->base.base);
2029 }
2030
2031 static bool
2032 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2033 {
2034         struct drm_encoder *encoder = &intel_sdvo->base.base;
2035         struct drm_connector *connector;
2036         struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
2037         struct intel_connector *intel_connector;
2038         struct intel_sdvo_connector *intel_sdvo_connector;
2039
2040         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2041         if (!intel_sdvo_connector)
2042                 return false;
2043
2044         if (device == 0) {
2045                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2046                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2047         } else if (device == 1) {
2048                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2049                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2050         }
2051
2052         intel_connector = &intel_sdvo_connector->base;
2053         connector = &intel_connector->base;
2054         if (intel_sdvo_supports_hotplug(intel_sdvo) & (1 << device)) {
2055                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2056                 intel_sdvo->hotplug_active[0] |= 1 << device;
2057                 /* Some SDVO devices have one-shot hotplug interrupts.
2058                  * Ensure that they get re-enabled when an interrupt happens.
2059                  */
2060                 intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
2061                 intel_sdvo_enable_hotplug(intel_encoder);
2062         }
2063         else
2064                 connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2065         encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2066         connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2067
2068         if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2069                 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2070                 intel_sdvo->is_hdmi = true;
2071         }
2072         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2073                                        (1 << INTEL_ANALOG_CLONE_BIT));
2074
2075         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2076         if (intel_sdvo->is_hdmi)
2077                 intel_sdvo_add_hdmi_properties(intel_sdvo_connector);
2078
2079         return true;
2080 }
2081
2082 static bool
2083 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2084 {
2085         struct drm_encoder *encoder = &intel_sdvo->base.base;
2086         struct drm_connector *connector;
2087         struct intel_connector *intel_connector;
2088         struct intel_sdvo_connector *intel_sdvo_connector;
2089
2090         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2091         if (!intel_sdvo_connector)
2092                 return false;
2093
2094         intel_connector = &intel_sdvo_connector->base;
2095         connector = &intel_connector->base;
2096         encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2097         connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2098
2099         intel_sdvo->controlled_output |= type;
2100         intel_sdvo_connector->output_flag = type;
2101
2102         intel_sdvo->is_tv = true;
2103         intel_sdvo->base.needs_tv_clock = true;
2104         intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2105
2106         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2107
2108         if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2109                 goto err;
2110
2111         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2112                 goto err;
2113
2114         return true;
2115
2116 err:
2117         intel_sdvo_destroy(connector);
2118         return false;
2119 }
2120
2121 static bool
2122 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2123 {
2124         struct drm_encoder *encoder = &intel_sdvo->base.base;
2125         struct drm_connector *connector;
2126         struct intel_connector *intel_connector;
2127         struct intel_sdvo_connector *intel_sdvo_connector;
2128
2129         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2130         if (!intel_sdvo_connector)
2131                 return false;
2132
2133         intel_connector = &intel_sdvo_connector->base;
2134         connector = &intel_connector->base;
2135         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2136         encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2137         connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2138
2139         if (device == 0) {
2140                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2141                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2142         } else if (device == 1) {
2143                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2144                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2145         }
2146
2147         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2148                                        (1 << INTEL_ANALOG_CLONE_BIT));
2149
2150         intel_sdvo_connector_init(intel_sdvo_connector,
2151                                   intel_sdvo);
2152         return true;
2153 }
2154
2155 static bool
2156 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2157 {
2158         struct drm_encoder *encoder = &intel_sdvo->base.base;
2159         struct drm_connector *connector;
2160         struct intel_connector *intel_connector;
2161         struct intel_sdvo_connector *intel_sdvo_connector;
2162
2163         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2164         if (!intel_sdvo_connector)
2165                 return false;
2166
2167         intel_connector = &intel_sdvo_connector->base;
2168         connector = &intel_connector->base;
2169         encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2170         connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2171
2172         if (device == 0) {
2173                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2174                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2175         } else if (device == 1) {
2176                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2177                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2178         }
2179
2180         intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
2181                                        (1 << INTEL_SDVO_LVDS_CLONE_BIT));
2182
2183         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2184         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2185                 goto err;
2186
2187         return true;
2188
2189 err:
2190         intel_sdvo_destroy(connector);
2191         return false;
2192 }
2193
2194 static bool
2195 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2196 {
2197         intel_sdvo->is_tv = false;
2198         intel_sdvo->base.needs_tv_clock = false;
2199         intel_sdvo->is_lvds = false;
2200
2201         /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2202
2203         if (flags & SDVO_OUTPUT_TMDS0)
2204                 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2205                         return false;
2206
2207         if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2208                 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2209                         return false;
2210
2211         /* TV has no XXX1 function block */
2212         if (flags & SDVO_OUTPUT_SVID0)
2213                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2214                         return false;
2215
2216         if (flags & SDVO_OUTPUT_CVBS0)
2217                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2218                         return false;
2219
2220         if (flags & SDVO_OUTPUT_YPRPB0)
2221                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_YPRPB0))
2222                         return false;
2223
2224         if (flags & SDVO_OUTPUT_RGB0)
2225                 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2226                         return false;
2227
2228         if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2229                 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2230                         return false;
2231
2232         if (flags & SDVO_OUTPUT_LVDS0)
2233                 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2234                         return false;
2235
2236         if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2237                 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2238                         return false;
2239
2240         if ((flags & SDVO_OUTPUT_MASK) == 0) {
2241                 unsigned char bytes[2];
2242
2243                 intel_sdvo->controlled_output = 0;
2244                 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2245                 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2246                               SDVO_NAME(intel_sdvo),
2247                               bytes[0], bytes[1]);
2248                 return false;
2249         }
2250         intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
2251
2252         return true;
2253 }
2254
2255 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2256                                           struct intel_sdvo_connector *intel_sdvo_connector,
2257                                           int type)
2258 {
2259         struct drm_device *dev = intel_sdvo->base.base.dev;
2260         struct intel_sdvo_tv_format format;
2261         uint32_t format_map, i;
2262
2263         if (!intel_sdvo_set_target_output(intel_sdvo, type))
2264                 return false;
2265
2266         BUILD_BUG_ON(sizeof(format) != 6);
2267         if (!intel_sdvo_get_value(intel_sdvo,
2268                                   SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2269                                   &format, sizeof(format)))
2270                 return false;
2271
2272         memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2273
2274         if (format_map == 0)
2275                 return false;
2276
2277         intel_sdvo_connector->format_supported_num = 0;
2278         for (i = 0 ; i < TV_FORMAT_NUM; i++)
2279                 if (format_map & (1 << i))
2280                         intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2281
2282
2283         intel_sdvo_connector->tv_format =
2284                         drm_property_create(dev, DRM_MODE_PROP_ENUM,
2285                                             "mode", intel_sdvo_connector->format_supported_num);
2286         if (!intel_sdvo_connector->tv_format)
2287                 return false;
2288
2289         for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2290                 drm_property_add_enum(
2291                                 intel_sdvo_connector->tv_format, i,
2292                                 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2293
2294         intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2295         drm_connector_attach_property(&intel_sdvo_connector->base.base,
2296                                       intel_sdvo_connector->tv_format, 0);
2297         return true;
2298
2299 }
2300
2301 #define ENHANCEMENT(name, NAME) do { \
2302         if (enhancements.name) { \
2303                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2304                     !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2305                         return false; \
2306                 intel_sdvo_connector->max_##name = data_value[0]; \
2307                 intel_sdvo_connector->cur_##name = response; \
2308                 intel_sdvo_connector->name = \
2309                         drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2310                 if (!intel_sdvo_connector->name) return false; \
2311                 drm_connector_attach_property(connector, \
2312                                               intel_sdvo_connector->name, \
2313                                               intel_sdvo_connector->cur_##name); \
2314                 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2315                               data_value[0], data_value[1], response); \
2316         } \
2317 } while (0)
2318
2319 static bool
2320 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2321                                       struct intel_sdvo_connector *intel_sdvo_connector,
2322                                       struct intel_sdvo_enhancements_reply enhancements)
2323 {
2324         struct drm_device *dev = intel_sdvo->base.base.dev;
2325         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2326         uint16_t response, data_value[2];
2327
2328         /* when horizontal overscan is supported, Add the left/right  property */
2329         if (enhancements.overscan_h) {
2330                 if (!intel_sdvo_get_value(intel_sdvo,
2331                                           SDVO_CMD_GET_MAX_OVERSCAN_H,
2332                                           &data_value, 4))
2333                         return false;
2334
2335                 if (!intel_sdvo_get_value(intel_sdvo,
2336                                           SDVO_CMD_GET_OVERSCAN_H,
2337                                           &response, 2))
2338                         return false;
2339
2340                 intel_sdvo_connector->max_hscan = data_value[0];
2341                 intel_sdvo_connector->left_margin = data_value[0] - response;
2342                 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2343                 intel_sdvo_connector->left =
2344                         drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
2345                 if (!intel_sdvo_connector->left)
2346                         return false;
2347
2348                 drm_connector_attach_property(connector,
2349                                               intel_sdvo_connector->left,
2350                                               intel_sdvo_connector->left_margin);
2351
2352                 intel_sdvo_connector->right =
2353                         drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
2354                 if (!intel_sdvo_connector->right)
2355                         return false;
2356
2357                 drm_connector_attach_property(connector,
2358                                               intel_sdvo_connector->right,
2359                                               intel_sdvo_connector->right_margin);
2360                 DRM_DEBUG_KMS("h_overscan: max %d, "
2361                               "default %d, current %d\n",
2362                               data_value[0], data_value[1], response);
2363         }
2364
2365         if (enhancements.overscan_v) {
2366                 if (!intel_sdvo_get_value(intel_sdvo,
2367                                           SDVO_CMD_GET_MAX_OVERSCAN_V,
2368                                           &data_value, 4))
2369                         return false;
2370
2371                 if (!intel_sdvo_get_value(intel_sdvo,
2372                                           SDVO_CMD_GET_OVERSCAN_V,
2373                                           &response, 2))
2374                         return false;
2375
2376                 intel_sdvo_connector->max_vscan = data_value[0];
2377                 intel_sdvo_connector->top_margin = data_value[0] - response;
2378                 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2379                 intel_sdvo_connector->top =
2380                         drm_property_create_range(dev, 0,
2381                                             "top_margin", 0, data_value[0]);
2382                 if (!intel_sdvo_connector->top)
2383                         return false;
2384
2385                 drm_connector_attach_property(connector,
2386                                               intel_sdvo_connector->top,
2387                                               intel_sdvo_connector->top_margin);
2388
2389                 intel_sdvo_connector->bottom =
2390                         drm_property_create_range(dev, 0,
2391                                             "bottom_margin", 0, data_value[0]);
2392                 if (!intel_sdvo_connector->bottom)
2393                         return false;
2394
2395                 drm_connector_attach_property(connector,
2396                                               intel_sdvo_connector->bottom,
2397                                               intel_sdvo_connector->bottom_margin);
2398                 DRM_DEBUG_KMS("v_overscan: max %d, "
2399                               "default %d, current %d\n",
2400                               data_value[0], data_value[1], response);
2401         }
2402
2403         ENHANCEMENT(hpos, HPOS);
2404         ENHANCEMENT(vpos, VPOS);
2405         ENHANCEMENT(saturation, SATURATION);
2406         ENHANCEMENT(contrast, CONTRAST);
2407         ENHANCEMENT(hue, HUE);
2408         ENHANCEMENT(sharpness, SHARPNESS);
2409         ENHANCEMENT(brightness, BRIGHTNESS);
2410         ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2411         ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2412         ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2413         ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2414         ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2415
2416         if (enhancements.dot_crawl) {
2417                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2418                         return false;
2419
2420                 intel_sdvo_connector->max_dot_crawl = 1;
2421                 intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2422                 intel_sdvo_connector->dot_crawl =
2423                         drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
2424                 if (!intel_sdvo_connector->dot_crawl)
2425                         return false;
2426
2427                 drm_connector_attach_property(connector,
2428                                               intel_sdvo_connector->dot_crawl,
2429                                               intel_sdvo_connector->cur_dot_crawl);
2430                 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2431         }
2432
2433         return true;
2434 }
2435
2436 static bool
2437 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2438                                         struct intel_sdvo_connector *intel_sdvo_connector,
2439                                         struct intel_sdvo_enhancements_reply enhancements)
2440 {
2441         struct drm_device *dev = intel_sdvo->base.base.dev;
2442         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2443         uint16_t response, data_value[2];
2444
2445         ENHANCEMENT(brightness, BRIGHTNESS);
2446
2447         return true;
2448 }
2449 #undef ENHANCEMENT
2450
2451 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2452                                                struct intel_sdvo_connector *intel_sdvo_connector)
2453 {
2454         union {
2455                 struct intel_sdvo_enhancements_reply reply;
2456                 uint16_t response;
2457         } enhancements;
2458
2459         BUILD_BUG_ON(sizeof(enhancements) != 2);
2460
2461         enhancements.response = 0;
2462         intel_sdvo_get_value(intel_sdvo,
2463                              SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2464                              &enhancements, sizeof(enhancements));
2465         if (enhancements.response == 0) {
2466                 DRM_DEBUG_KMS("No enhancement is supported\n");
2467                 return true;
2468         }
2469
2470         if (IS_TV(intel_sdvo_connector))
2471                 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2472         else if (IS_LVDS(intel_sdvo_connector))
2473                 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2474         else
2475                 return true;
2476 }
2477
2478 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2479                                      struct i2c_msg *msgs,
2480                                      int num)
2481 {
2482         struct intel_sdvo *sdvo = adapter->algo_data;
2483
2484         if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2485                 return -EIO;
2486
2487         return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2488 }
2489
2490 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2491 {
2492         struct intel_sdvo *sdvo = adapter->algo_data;
2493         return sdvo->i2c->algo->functionality(sdvo->i2c);
2494 }
2495
2496 static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
2497         .master_xfer    = intel_sdvo_ddc_proxy_xfer,
2498         .functionality  = intel_sdvo_ddc_proxy_func
2499 };
2500
2501 static bool
2502 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
2503                           struct drm_device *dev)
2504 {
2505         sdvo->ddc.owner = THIS_MODULE;
2506         sdvo->ddc.class = I2C_CLASS_DDC;
2507         snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2508         sdvo->ddc.dev.parent = &dev->pdev->dev;
2509         sdvo->ddc.algo_data = sdvo;
2510         sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
2511
2512         return i2c_add_adapter(&sdvo->ddc) == 0;
2513 }
2514
2515 bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
2516 {
2517         struct drm_i915_private *dev_priv = dev->dev_private;
2518         struct intel_encoder *intel_encoder;
2519         struct intel_sdvo *intel_sdvo;
2520         int i;
2521
2522         intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);
2523         if (!intel_sdvo)
2524                 return false;
2525
2526         intel_sdvo->sdvo_reg = sdvo_reg;
2527         intel_sdvo->is_sdvob = is_sdvob;
2528         intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, intel_sdvo) >> 1;
2529         intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
2530         if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev)) {
2531                 kfree(intel_sdvo);
2532                 return false;
2533         }
2534
2535         /* encoder type will be decided later */
2536         intel_encoder = &intel_sdvo->base;
2537         intel_encoder->type = INTEL_OUTPUT_SDVO;
2538         drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
2539
2540         /* Read the regs to test if we can talk to the device */
2541         for (i = 0; i < 0x40; i++) {
2542                 u8 byte;
2543
2544                 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
2545                         DRM_DEBUG_KMS("No SDVO device found on %s\n",
2546                                       SDVO_NAME(intel_sdvo));
2547                         goto err;
2548                 }
2549         }
2550
2551         if (intel_sdvo->is_sdvob)
2552                 dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
2553         else
2554                 dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
2555
2556         drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
2557
2558         /* In default case sdvo lvds is false */
2559         if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
2560                 goto err;
2561
2562         /* Set up hotplug command - note paranoia about contents of reply.
2563          * We assume that the hardware is in a sane state, and only touch
2564          * the bits we think we understand.
2565          */
2566         intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG,
2567                              &intel_sdvo->hotplug_active, 2);
2568         intel_sdvo->hotplug_active[0] &= ~0x3;
2569
2570         if (intel_sdvo_output_setup(intel_sdvo,
2571                                     intel_sdvo->caps.output_flags) != true) {
2572                 DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
2573                               SDVO_NAME(intel_sdvo));
2574                 goto err;
2575         }
2576
2577         intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
2578
2579         /* Set the input timing to the screen. Assume always input 0. */
2580         if (!intel_sdvo_set_target_input(intel_sdvo))
2581                 goto err;
2582
2583         if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
2584                                                     &intel_sdvo->pixel_clock_min,
2585                                                     &intel_sdvo->pixel_clock_max))
2586                 goto err;
2587
2588         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2589                         "clock range %dMHz - %dMHz, "
2590                         "input 1: %c, input 2: %c, "
2591                         "output 1: %c, output 2: %c\n",
2592                         SDVO_NAME(intel_sdvo),
2593                         intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
2594                         intel_sdvo->caps.device_rev_id,
2595                         intel_sdvo->pixel_clock_min / 1000,
2596                         intel_sdvo->pixel_clock_max / 1000,
2597                         (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2598                         (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2599                         /* check currently supported outputs */
2600                         intel_sdvo->caps.output_flags &
2601                         (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2602                         intel_sdvo->caps.output_flags &
2603                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2604         return true;
2605
2606 err:
2607         drm_encoder_cleanup(&intel_encoder->base);
2608         i2c_del_adapter(&intel_sdvo->ddc);
2609         kfree(intel_sdvo);
2610
2611         return false;
2612 }