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