drivers/gpu/drm/i915/intel_sdvo.c

   1 /*
   2  * Copyright 2006 Dave Airlie <airlied@linux.ie>
   3  * Copyright © 2006-2007 Intel Corporation
   4  *   Jesse Barnes <jesse.barnes@intel.com>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23  * DEALINGS IN THE SOFTWARE.
  24  *
  25  * Authors:
  26  *      Eric Anholt <eric@anholt.net>
  27  */
  28 #include <linux/i2c.h>
  29 #include <linux/slab.h>
  30 #include <linux/delay.h>
  31 #include <linux/export.h>
  32 #include "drmP.h"
  33 #include "drm.h"
  34 #include "drm_crtc.h"
  35 #include "drm_edid.h"
  36 #include "intel_drv.h"
  37 #include "i915_drm.h"
  38 #include "i915_drv.h"
  39 #include "intel_sdvo_regs.h"
  40
  41 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
  42 #define SDVO_RGB_MASK  (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
  43 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
  44 #define SDVO_TV_MASK   (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0)
  45
  46 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
  47                         SDVO_TV_MASK)
  48
  49 #define IS_TV(c)        (c->output_flag & SDVO_TV_MASK)
  50 #define IS_TMDS(c)      (c->output_flag & SDVO_TMDS_MASK)
  51 #define IS_LVDS(c)      (c->output_flag & SDVO_LVDS_MASK)
  52 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
  53 #define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
  54
  55
  56 static const char *tv_format_names[] = {
  57         "NTSC_M"   , "NTSC_J"  , "NTSC_443",
  58         "PAL_B"    , "PAL_D"   , "PAL_G"   ,
  59         "PAL_H"    , "PAL_I"   , "PAL_M"   ,
  60         "PAL_N"    , "PAL_NC"  , "PAL_60"  ,
  61         "SECAM_B"  , "SECAM_D" , "SECAM_G" ,
  62         "SECAM_K"  , "SECAM_K1", "SECAM_L" ,
  63         "SECAM_60"
  64 };
  65
  66 #define TV_FORMAT_NUM  (sizeof(tv_format_names) / sizeof(*tv_format_names))
  67
  68 struct intel_sdvo {
  69         struct intel_encoder base;
  70
  71         struct i2c_adapter *i2c;
  72         u8 slave_addr;
  73
  74         struct i2c_adapter ddc;
  75
  76         /* Register for the SDVO device: SDVOB or SDVOC */
  77         uint32_t sdvo_reg;
  78
  79         /* Active outputs controlled by this SDVO output */
  80         uint16_t controlled_output;
  81
  82         /*
  83          * Capabilities of the SDVO device returned by
  84          * i830_sdvo_get_capabilities()
  85          */
  86         struct intel_sdvo_caps caps;
  87
  88         /* Pixel clock limitations reported by the SDVO device, in kHz */
  89         int pixel_clock_min, pixel_clock_max;
  90
  91         /*
  92         * For multiple function SDVO device,
  93         * this is for current attached outputs.
  94         */
  95         uint16_t attached_output;
  96
  97         /*
  98          * Hotplug activation bits for this device
  99          */
 100         uint8_t hotplug_active[2];
 101
 102         /**
 103          * This is used to select the color range of RBG outputs in HDMI mode.
 104          * It is only valid when using TMDS encoding and 8 bit per color mode.
 105          */
 106         uint32_t color_range;
 107
 108         /**
 109          * This is set if we're going to treat the device as TV-out.
 110          *
 111          * While we have these nice friendly flags for output types that ought
 112          * to decide this for us, the S-Video output on our HDMI+S-Video card
 113          * shows up as RGB1 (VGA).
 114          */
 115         bool is_tv;
 116
 117         /* On different gens SDVOB is at different places. */
 118         bool is_sdvob;
 119
 120         /* This is for current tv format name */
 121         int tv_format_index;
 122
 123         /**
 124          * This is set if we treat the device as HDMI, instead of DVI.
 125          */
 126         bool is_hdmi;
 127         bool has_hdmi_monitor;
 128         bool has_hdmi_audio;
 129
 130         /**
 131          * This is set if we detect output of sdvo device as LVDS and
 132          * have a valid fixed mode to use with the panel.
 133          */
 134         bool is_lvds;
 135
 136         /**
 137          * This is sdvo fixed pannel mode pointer
 138          */
 139         struct drm_display_mode *sdvo_lvds_fixed_mode;
 140
 141         /* DDC bus used by this SDVO encoder */
 142         uint8_t ddc_bus;
 143 };
 144
 145 struct intel_sdvo_connector {
 146         struct intel_connector base;
 147
 148         /* Mark the type of connector */
 149         uint16_t output_flag;
 150
 151         enum hdmi_force_audio 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 SDVO_NAME(svdo) ((svdo)->is_sdvob ? "SDVOB" : "SDVOC")
 407
 408 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
 409                                    const void *args, int args_len)
 410 {
 411         int i;
 412
 413         DRM_DEBUG_KMS("%s: W: %02X ",
 414                                 SDVO_NAME(intel_sdvo), cmd);
 415         for (i = 0; i < args_len; i++)
 416                 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
 417         for (; i < 8; i++)
 418                 DRM_LOG_KMS("   ");
 419         for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
 420                 if (cmd == sdvo_cmd_names[i].cmd) {
 421                         DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
 422                         break;
 423                 }
 424         }
 425         if (i == ARRAY_SIZE(sdvo_cmd_names))
 426                 DRM_LOG_KMS("(%02X)", cmd);
 427         DRM_LOG_KMS("\n");
 428 }
 429
 430 static const char *cmd_status_names[] = {
 431         "Power on",
 432         "Success",
 433         "Not supported",
 434         "Invalid arg",
 435         "Pending",
 436         "Target not specified",
 437         "Scaling not supported"
 438 };
 439
 440 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
 441                                  const void *args, int args_len)
 442 {
 443         u8 *buf, status;
 444         struct i2c_msg *msgs;
 445         int i, ret = true;
 446
 447         /* Would be simpler to allocate both in one go ? */
 448         buf = (u8 *)kzalloc(args_len * 2 + 2, GFP_KERNEL);
 449         if (!buf)
 450                 return false;
 451
 452         msgs = kcalloc(args_len + 3, sizeof(*msgs), GFP_KERNEL);
 453         if (!msgs) {
 454                 kfree(buf);
 455                 return false;
 456         }
 457
 458         intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
 459
 460         for (i = 0; i < args_len; i++) {
 461                 msgs[i].addr = intel_sdvo->slave_addr;
 462                 msgs[i].flags = 0;
 463                 msgs[i].len = 2;
 464                 msgs[i].buf = buf + 2 *i;
 465                 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
 466                 buf[2*i + 1] = ((u8*)args)[i];
 467         }
 468         msgs[i].addr = intel_sdvo->slave_addr;
 469         msgs[i].flags = 0;
 470         msgs[i].len = 2;
 471         msgs[i].buf = buf + 2*i;
 472         buf[2*i + 0] = SDVO_I2C_OPCODE;
 473         buf[2*i + 1] = cmd;
 474
 475         /* the following two are to read the response */
 476         status = SDVO_I2C_CMD_STATUS;
 477         msgs[i+1].addr = intel_sdvo->slave_addr;
 478         msgs[i+1].flags = 0;
 479         msgs[i+1].len = 1;
 480         msgs[i+1].buf = &status;
 481
 482         msgs[i+2].addr = intel_sdvo->slave_addr;
 483         msgs[i+2].flags = I2C_M_RD;
 484         msgs[i+2].len = 1;
 485         msgs[i+2].buf = &status;
 486
 487         ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
 488         if (ret < 0) {
 489                 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
 490                 ret = false;
 491                 goto out;
 492         }
 493         if (ret != i+3) {
 494                 /* failure in I2C transfer */
 495                 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
 496                 ret = false;
 497         }
 498
 499 out:
 500         kfree(msgs);
 501         kfree(buf);
 502         return ret;
 503 }
 504
 505 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
 506                                      void *response, int response_len)
 507 {
 508         u8 retry = 5;
 509         u8 status;
 510         int i;
 511
 512         DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));
 513
 514         /*
 515          * The documentation states that all commands will be
 516          * processed within 15µs, and that we need only poll
 517          * the status byte a maximum of 3 times in order for the
 518          * command to be complete.
 519          *
 520          * Check 5 times in case the hardware failed to read the docs.
 521          */
 522         if (!intel_sdvo_read_byte(intel_sdvo,
 523                                   SDVO_I2C_CMD_STATUS,
 524                                   &status))
 525                 goto log_fail;
 526
 527         while (status == SDVO_CMD_STATUS_PENDING && retry--) {
 528                 udelay(15);
 529                 if (!intel_sdvo_read_byte(intel_sdvo,
 530                                           SDVO_I2C_CMD_STATUS,
 531                                           &status))
 532                         goto log_fail;
 533         }
 534
 535         if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
 536                 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
 537         else
 538                 DRM_LOG_KMS("(??? %d)", status);
 539
 540         if (status != SDVO_CMD_STATUS_SUCCESS)
 541                 goto log_fail;
 542
 543         /* Read the command response */
 544         for (i = 0; i < response_len; i++) {
 545                 if (!intel_sdvo_read_byte(intel_sdvo,
 546                                           SDVO_I2C_RETURN_0 + i,
 547                                           &((u8 *)response)[i]))
 548                         goto log_fail;
 549                 DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
 550         }
 551         DRM_LOG_KMS("\n");
 552         return true;
 553
 554 log_fail:
 555         DRM_LOG_KMS("... failed\n");
 556         return false;
 557 }
 558
 559 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
 560 {
 561         if (mode->clock >= 100000)
 562                 return 1;
 563         else if (mode->clock >= 50000)
 564                 return 2;
 565         else
 566                 return 4;
 567 }
 568
 569 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
 570                                               u8 ddc_bus)
 571 {
 572         /* This must be the immediately preceding write before the i2c xfer */
 573         return intel_sdvo_write_cmd(intel_sdvo,
 574                                     SDVO_CMD_SET_CONTROL_BUS_SWITCH,
 575                                     &ddc_bus, 1);
 576 }
 577
 578 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
 579 {
 580         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
 581                 return false;
 582
 583         return intel_sdvo_read_response(intel_sdvo, NULL, 0);
 584 }
 585
 586 static bool
 587 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
 588 {
 589         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
 590                 return false;
 591
 592         return intel_sdvo_read_response(intel_sdvo, value, len);
 593 }
 594
 595 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
 596 {
 597         struct intel_sdvo_set_target_input_args targets = {0};
 598         return intel_sdvo_set_value(intel_sdvo,
 599                                     SDVO_CMD_SET_TARGET_INPUT,
 600                                     &targets, sizeof(targets));
 601 }
 602
 603 /**
 604  * Return whether each input is trained.
 605  *
 606  * This function is making an assumption about the layout of the response,
 607  * which should be checked against the docs.
 608  */
 609 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
 610 {
 611         struct intel_sdvo_get_trained_inputs_response response;
 612
 613         BUILD_BUG_ON(sizeof(response) != 1);
 614         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
 615                                   &response, sizeof(response)))
 616                 return false;
 617
 618         *input_1 = response.input0_trained;
 619         *input_2 = response.input1_trained;
 620         return true;
 621 }
 622
 623 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
 624                                           u16 outputs)
 625 {
 626         return intel_sdvo_set_value(intel_sdvo,
 627                                     SDVO_CMD_SET_ACTIVE_OUTPUTS,
 628                                     &outputs, sizeof(outputs));
 629 }
 630
 631 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
 632                                                int mode)
 633 {
 634         u8 state = SDVO_ENCODER_STATE_ON;
 635
 636         switch (mode) {
 637         case DRM_MODE_DPMS_ON:
 638                 state = SDVO_ENCODER_STATE_ON;
 639                 break;
 640         case DRM_MODE_DPMS_STANDBY:
 641                 state = SDVO_ENCODER_STATE_STANDBY;
 642                 break;
 643         case DRM_MODE_DPMS_SUSPEND:
 644                 state = SDVO_ENCODER_STATE_SUSPEND;
 645                 break;
 646         case DRM_MODE_DPMS_OFF:
 647                 state = SDVO_ENCODER_STATE_OFF;
 648                 break;
 649         }
 650
 651         return intel_sdvo_set_value(intel_sdvo,
 652                                     SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
 653 }
 654
 655 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
 656                                                    int *clock_min,
 657                                                    int *clock_max)
 658 {
 659         struct intel_sdvo_pixel_clock_range clocks;
 660
 661         BUILD_BUG_ON(sizeof(clocks) != 4);
 662         if (!intel_sdvo_get_value(intel_sdvo,
 663                                   SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
 664                                   &clocks, sizeof(clocks)))
 665                 return false;
 666
 667         /* Convert the values from units of 10 kHz to kHz. */
 668         *clock_min = clocks.min * 10;
 669         *clock_max = clocks.max * 10;
 670         return true;
 671 }
 672
 673 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
 674                                          u16 outputs)
 675 {
 676         return intel_sdvo_set_value(intel_sdvo,
 677                                     SDVO_CMD_SET_TARGET_OUTPUT,
 678                                     &outputs, sizeof(outputs));
 679 }
 680
 681 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
 682                                   struct intel_sdvo_dtd *dtd)
 683 {
 684         return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
 685                 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
 686 }
 687
 688 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
 689                                          struct intel_sdvo_dtd *dtd)
 690 {
 691         return intel_sdvo_set_timing(intel_sdvo,
 692                                      SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
 693 }
 694
 695 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
 696                                          struct intel_sdvo_dtd *dtd)
 697 {
 698         return intel_sdvo_set_timing(intel_sdvo,
 699                                      SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
 700 }
 701
 702 static bool
 703 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 704                                          uint16_t clock,
 705                                          uint16_t width,
 706                                          uint16_t height)
 707 {
 708         struct intel_sdvo_preferred_input_timing_args args;
 709
 710         memset(&args, 0, sizeof(args));
 711         args.clock = clock;
 712         args.width = width;
 713         args.height = height;
 714         args.interlace = 0;
 715
 716         if (intel_sdvo->is_lvds &&
 717            (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
 718             intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
 719                 args.scaled = 1;
 720
 721         return intel_sdvo_set_value(intel_sdvo,
 722                                     SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
 723                                     &args, sizeof(args));
 724 }
 725
 726 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 727                                                   struct intel_sdvo_dtd *dtd)
 728 {
 729         BUILD_BUG_ON(sizeof(dtd->part1) != 8);
 730         BUILD_BUG_ON(sizeof(dtd->part2) != 8);
 731         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
 732                                     &dtd->part1, sizeof(dtd->part1)) &&
 733                 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
 734                                      &dtd->part2, sizeof(dtd->part2));
 735 }
 736
 737 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
 738 {
 739         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
 740 }
 741
 742 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
 743                                          const struct drm_display_mode *mode)
 744 {
 745         uint16_t width, height;
 746         uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
 747         uint16_t h_sync_offset, v_sync_offset;
 748         int mode_clock;
 749
 750         width = mode->hdisplay;
 751         height = mode->vdisplay;
 752
 753         /* do some mode translations */
 754         h_blank_len = mode->htotal - mode->hdisplay;
 755         h_sync_len = mode->hsync_end - mode->hsync_start;
 756
 757         v_blank_len = mode->vtotal - mode->vdisplay;
 758         v_sync_len = mode->vsync_end - mode->vsync_start;
 759
 760         h_sync_offset = mode->hsync_start - mode->hdisplay;
 761         v_sync_offset = mode->vsync_start - mode->vdisplay;
 762
 763         mode_clock = mode->clock;
 764         mode_clock /= intel_mode_get_pixel_multiplier(mode) ?: 1;
 765         mode_clock /= 10;
 766         dtd->part1.clock = mode_clock;
 767
 768         dtd->part1.h_active = width & 0xff;
 769         dtd->part1.h_blank = h_blank_len & 0xff;
 770         dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
 771                 ((h_blank_len >> 8) & 0xf);
 772         dtd->part1.v_active = height & 0xff;
 773         dtd->part1.v_blank = v_blank_len & 0xff;
 774         dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
 775                 ((v_blank_len >> 8) & 0xf);
 776
 777         dtd->part2.h_sync_off = h_sync_offset & 0xff;
 778         dtd->part2.h_sync_width = h_sync_len & 0xff;
 779         dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
 780                 (v_sync_len & 0xf);
 781         dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
 782                 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
 783                 ((v_sync_len & 0x30) >> 4);
 784
 785         dtd->part2.dtd_flags = 0x18;
 786         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 787                 dtd->part2.dtd_flags |= DTD_FLAG_INTERLACE;
 788         if (mode->flags & DRM_MODE_FLAG_PHSYNC)
 789                 dtd->part2.dtd_flags |= DTD_FLAG_HSYNC_POSITIVE;
 790         if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 791                 dtd->part2.dtd_flags |= DTD_FLAG_VSYNC_POSITIVE;
 792
 793         dtd->part2.sdvo_flags = 0;
 794         dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
 795         dtd->part2.reserved = 0;
 796 }
 797
 798 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
 799                                          const struct intel_sdvo_dtd *dtd)
 800 {
 801         mode->hdisplay = dtd->part1.h_active;
 802         mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
 803         mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
 804         mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
 805         mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
 806         mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
 807         mode->htotal = mode->hdisplay + dtd->part1.h_blank;
 808         mode->htotal += (dtd->part1.h_high & 0xf) << 8;
 809
 810         mode->vdisplay = dtd->part1.v_active;
 811         mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
 812         mode->vsync_start = mode->vdisplay;
 813         mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
 814         mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
 815         mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
 816         mode->vsync_end = mode->vsync_start +
 817                 (dtd->part2.v_sync_off_width & 0xf);
 818         mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
 819         mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
 820         mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
 821
 822         mode->clock = dtd->part1.clock * 10;
 823
 824         mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
 825         if (dtd->part2.dtd_flags & DTD_FLAG_INTERLACE)
 826                 mode->flags |= DRM_MODE_FLAG_INTERLACE;
 827         if (dtd->part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
 828                 mode->flags |= DRM_MODE_FLAG_PHSYNC;
 829         if (dtd->part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
 830                 mode->flags |= DRM_MODE_FLAG_PVSYNC;
 831 }
 832
 833 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
 834 {
 835         struct intel_sdvo_encode encode;
 836
 837         BUILD_BUG_ON(sizeof(encode) != 2);
 838         return intel_sdvo_get_value(intel_sdvo,
 839                                   SDVO_CMD_GET_SUPP_ENCODE,
 840                                   &encode, sizeof(encode));
 841 }
 842
 843 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
 844                                   uint8_t mode)
 845 {
 846         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
 847 }
 848
 849 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
 850                                        uint8_t mode)
 851 {
 852         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
 853 }
 854
 855 #if 0
 856 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
 857 {
 858         int i, j;
 859         uint8_t set_buf_index[2];
 860         uint8_t av_split;
 861         uint8_t buf_size;
 862         uint8_t buf[48];
 863         uint8_t *pos;
 864
 865         intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
 866
 867         for (i = 0; i <= av_split; i++) {
 868                 set_buf_index[0] = i; set_buf_index[1] = 0;
 869                 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
 870                                      set_buf_index, 2);
 871                 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
 872                 intel_sdvo_read_response(encoder, &buf_size, 1);
 873
 874                 pos = buf;
 875                 for (j = 0; j <= buf_size; j += 8) {
 876                         intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
 877                                              NULL, 0);
 878                         intel_sdvo_read_response(encoder, pos, 8);
 879                         pos += 8;
 880                 }
 881         }
 882 }
 883 #endif
 884
 885 static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo,
 886                                        unsigned if_index, uint8_t tx_rate,
 887                                        uint8_t *data, unsigned length)
 888 {
 889         uint8_t set_buf_index[2] = { if_index, 0 };
 890         uint8_t hbuf_size, tmp[8];
 891         int i;
 892
 893         if (!intel_sdvo_set_value(intel_sdvo,
 894                                   SDVO_CMD_SET_HBUF_INDEX,
 895                                   set_buf_index, 2))
 896                 return false;
 897
 898         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
 899                                   &hbuf_size, 1))
 900                 return false;
 901
 902         /* Buffer size is 0 based, hooray! */
 903         hbuf_size++;
 904
 905         DRM_DEBUG_KMS("writing sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n",
 906                       if_index, length, hbuf_size);
 907
 908         for (i = 0; i < hbuf_size; i += 8) {
 909                 memset(tmp, 0, 8);
 910                 if (i < length)
 911                         memcpy(tmp, data + i, min_t(unsigned, 8, length - i));
 912
 913                 if (!intel_sdvo_set_value(intel_sdvo,
 914                                           SDVO_CMD_SET_HBUF_DATA,
 915                                           tmp, 8))
 916                         return false;
 917         }
 918
 919         return intel_sdvo_set_value(intel_sdvo,
 920                                     SDVO_CMD_SET_HBUF_TXRATE,
 921                                     &tx_rate, 1);
 922 }
 923
 924 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
 925 {
 926         struct dip_infoframe avi_if = {
 927                 .type = DIP_TYPE_AVI,
 928                 .ver = DIP_VERSION_AVI,
 929                 .len = DIP_LEN_AVI,
 930         };
 931         uint8_t sdvo_data[4 + sizeof(avi_if.body.avi)];
 932
 933         intel_dip_infoframe_csum(&avi_if);
 934
 935         /* sdvo spec says that the ecc is handled by the hw, and it looks like
 936          * we must not send the ecc field, either. */
 937         memcpy(sdvo_data, &avi_if, 3);
 938         sdvo_data[3] = avi_if.checksum;
 939         memcpy(&sdvo_data[4], &avi_if.body, sizeof(avi_if.body.avi));
 940
 941         return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
 942                                           SDVO_HBUF_TX_VSYNC,
 943                                           sdvo_data, sizeof(sdvo_data));
 944 }
 945
 946 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
 947 {
 948         struct intel_sdvo_tv_format format;
 949         uint32_t format_map;
 950
 951         format_map = 1 << intel_sdvo->tv_format_index;
 952         memset(&format, 0, sizeof(format));
 953         memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
 954
 955         BUILD_BUG_ON(sizeof(format) != 6);
 956         return intel_sdvo_set_value(intel_sdvo,
 957                                     SDVO_CMD_SET_TV_FORMAT,
 958                                     &format, sizeof(format));
 959 }
 960
 961 static bool
 962 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
 963                                         const struct drm_display_mode *mode)
 964 {
 965         struct intel_sdvo_dtd output_dtd;
 966
 967         if (!intel_sdvo_set_target_output(intel_sdvo,
 968                                           intel_sdvo->attached_output))
 969                 return false;
 970
 971         intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
 972         if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
 973                 return false;
 974
 975         return true;
 976 }
 977
 978 /* Asks the sdvo controller for the preferred input mode given the output mode.
 979  * Unfortunately we have to set up the full output mode to do that. */
 980 static bool
 981 intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo,
 982                                     const struct drm_display_mode *mode,
 983                                     struct drm_display_mode *adjusted_mode)
 984 {
 985         struct intel_sdvo_dtd input_dtd;
 986
 987         /* Reset the input timing to the screen. Assume always input 0. */
 988         if (!intel_sdvo_set_target_input(intel_sdvo))
 989                 return false;
 990
 991         if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
 992                                                       mode->clock / 10,
 993                                                       mode->hdisplay,
 994                                                       mode->vdisplay))
 995                 return false;
 996
 997         if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
 998                                                    &input_dtd))
 999                 return false;
1000
1001         intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
1002
1003         return true;
1004 }
1005
1006 static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
1007                                   const struct drm_display_mode *mode,
1008                                   struct drm_display_mode *adjusted_mode)
1009 {
1010         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1011         int multiplier;
1012
1013         /* We need to construct preferred input timings based on our
1014          * output timings.  To do that, we have to set the output
1015          * timings, even though this isn't really the right place in
1016          * the sequence to do it. Oh well.
1017          */
1018         if (intel_sdvo->is_tv) {
1019                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
1020                         return false;
1021
1022                 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1023                                                            mode,
1024                                                            adjusted_mode);
1025         } else if (intel_sdvo->is_lvds) {
1026                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
1027                                                              intel_sdvo->sdvo_lvds_fixed_mode))
1028                         return false;
1029
1030                 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1031                                                            mode,
1032                                                            adjusted_mode);
1033         }
1034
1035         /* Make the CRTC code factor in the SDVO pixel multiplier.  The
1036          * SDVO device will factor out the multiplier during mode_set.
1037          */
1038         multiplier = intel_sdvo_get_pixel_multiplier(adjusted_mode);
1039         intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
1040
1041         return true;
1042 }
1043
1044 static void intel_sdvo_mode_set(struct drm_encoder *encoder,
1045                                 struct drm_display_mode *mode,
1046                                 struct drm_display_mode *adjusted_mode)
1047 {
1048         struct drm_device *dev = encoder->dev;
1049         struct drm_i915_private *dev_priv = dev->dev_private;
1050         struct drm_crtc *crtc = encoder->crtc;
1051         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
1052         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1053         u32 sdvox;
1054         struct intel_sdvo_in_out_map in_out;
1055         struct intel_sdvo_dtd input_dtd, output_dtd;
1056         int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
1057         int rate;
1058
1059         if (!mode)
1060                 return;
1061
1062         /* First, set the input mapping for the first input to our controlled
1063          * output. This is only correct if we're a single-input device, in
1064          * which case the first input is the output from the appropriate SDVO
1065          * channel on the motherboard.  In a two-input device, the first input
1066          * will be SDVOB and the second SDVOC.
1067          */
1068         in_out.in0 = intel_sdvo->attached_output;
1069         in_out.in1 = 0;
1070
1071         intel_sdvo_set_value(intel_sdvo,
1072                              SDVO_CMD_SET_IN_OUT_MAP,
1073                              &in_out, sizeof(in_out));
1074
1075         /* Set the output timings to the screen */
1076         if (!intel_sdvo_set_target_output(intel_sdvo,
1077                                           intel_sdvo->attached_output))
1078                 return;
1079
1080         /* lvds has a special fixed output timing. */
1081         if (intel_sdvo->is_lvds)
1082                 intel_sdvo_get_dtd_from_mode(&output_dtd,
1083                                              intel_sdvo->sdvo_lvds_fixed_mode);
1084         else
1085                 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1086         if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
1087                 DRM_INFO("Setting output timings on %s failed\n",
1088                          SDVO_NAME(intel_sdvo));
1089
1090         /* Set the input timing to the screen. Assume always input 0. */
1091         if (!intel_sdvo_set_target_input(intel_sdvo))
1092                 return;
1093
1094         if (intel_sdvo->has_hdmi_monitor) {
1095                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1096                 intel_sdvo_set_colorimetry(intel_sdvo,
1097                                            SDVO_COLORIMETRY_RGB256);
1098                 intel_sdvo_set_avi_infoframe(intel_sdvo);
1099         } else
1100                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1101
1102         if (intel_sdvo->is_tv &&
1103             !intel_sdvo_set_tv_format(intel_sdvo))
1104                 return;
1105
1106         /* We have tried to get input timing in mode_fixup, and filled into
1107          * adjusted_mode.
1108          */
1109         intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1110         if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd))
1111                 DRM_INFO("Setting input timings on %s failed\n",
1112                          SDVO_NAME(intel_sdvo));
1113
1114         switch (pixel_multiplier) {
1115         default:
1116         case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1117         case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1118         case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1119         }
1120         if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1121                 return;
1122
1123         /* Set the SDVO control regs. */
1124         if (INTEL_INFO(dev)->gen >= 4) {
1125                 /* The real mode polarity is set by the SDVO commands, using
1126                  * struct intel_sdvo_dtd. */
1127                 sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
1128                 if (intel_sdvo->is_hdmi)
1129                         sdvox |= intel_sdvo->color_range;
1130                 if (INTEL_INFO(dev)->gen < 5)
1131                         sdvox |= SDVO_BORDER_ENABLE;
1132         } else {
1133                 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1134                 switch (intel_sdvo->sdvo_reg) {
1135                 case SDVOB:
1136                         sdvox &= SDVOB_PRESERVE_MASK;
1137                         break;
1138                 case SDVOC:
1139                         sdvox &= SDVOC_PRESERVE_MASK;
1140                         break;
1141                 }
1142                 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1143         }
1144
1145         if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
1146                 sdvox |= TRANSCODER_CPT(intel_crtc->pipe);
1147         else
1148                 sdvox |= TRANSCODER(intel_crtc->pipe);
1149
1150         if (intel_sdvo->has_hdmi_audio)
1151                 sdvox |= SDVO_AUDIO_ENABLE;
1152
1153         if (INTEL_INFO(dev)->gen >= 4) {
1154                 /* done in crtc_mode_set as the dpll_md reg must be written early */
1155         } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1156                 /* done in crtc_mode_set as it lives inside the dpll register */
1157         } else {
1158                 sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1159         }
1160
1161         if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1162             INTEL_INFO(dev)->gen < 5)
1163                 sdvox |= SDVO_STALL_SELECT;
1164         intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1165 }
1166
1167 static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1168 {
1169         struct drm_device *dev = encoder->dev;
1170         struct drm_i915_private *dev_priv = dev->dev_private;
1171         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1172         struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
1173         u32 temp;
1174
1175         if (mode != DRM_MODE_DPMS_ON) {
1176                 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1177                 if (0)
1178                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1179
1180                 if (mode == DRM_MODE_DPMS_OFF) {
1181                         temp = I915_READ(intel_sdvo->sdvo_reg);
1182                         if ((temp & SDVO_ENABLE) != 0) {
1183                                 intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
1184                         }
1185                 }
1186         } else {
1187                 bool input1, input2;
1188                 int i;
1189                 u8 status;
1190
1191                 temp = I915_READ(intel_sdvo->sdvo_reg);
1192                 if ((temp & SDVO_ENABLE) == 0)
1193                         intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
1194                 for (i = 0; i < 2; i++)
1195                         intel_wait_for_vblank(dev, intel_crtc->pipe);
1196
1197                 status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1198                 /* Warn if the device reported failure to sync.
1199                  * A lot of SDVO devices fail to notify of sync, but it's
1200                  * a given it the status is a success, we succeeded.
1201                  */
1202                 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1203                         DRM_DEBUG_KMS("First %s output reported failure to "
1204                                         "sync\n", SDVO_NAME(intel_sdvo));
1205                 }
1206
1207                 if (0)
1208                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1209                 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1210         }
1211         return;
1212 }
1213
1214 static int intel_sdvo_mode_valid(struct drm_connector *connector,
1215                                  struct drm_display_mode *mode)
1216 {
1217         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1218
1219         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1220                 return MODE_NO_DBLESCAN;
1221
1222         if (intel_sdvo->pixel_clock_min > mode->clock)
1223                 return MODE_CLOCK_LOW;
1224
1225         if (intel_sdvo->pixel_clock_max < mode->clock)
1226                 return MODE_CLOCK_HIGH;
1227
1228         if (intel_sdvo->is_lvds) {
1229                 if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1230                         return MODE_PANEL;
1231
1232                 if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1233                         return MODE_PANEL;
1234         }
1235
1236         return MODE_OK;
1237 }
1238
1239 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1240 {
1241         BUILD_BUG_ON(sizeof(*caps) != 8);
1242         if (!intel_sdvo_get_value(intel_sdvo,
1243                                   SDVO_CMD_GET_DEVICE_CAPS,
1244                                   caps, sizeof(*caps)))
1245                 return false;
1246
1247         DRM_DEBUG_KMS("SDVO capabilities:\n"
1248                       "  vendor_id: %d\n"
1249                       "  device_id: %d\n"
1250                       "  device_rev_id: %d\n"
1251                       "  sdvo_version_major: %d\n"
1252                       "  sdvo_version_minor: %d\n"
1253                       "  sdvo_inputs_mask: %d\n"
1254                       "  smooth_scaling: %d\n"
1255                       "  sharp_scaling: %d\n"
1256                       "  up_scaling: %d\n"
1257                       "  down_scaling: %d\n"
1258                       "  stall_support: %d\n"
1259                       "  output_flags: %d\n",
1260                       caps->vendor_id,
1261                       caps->device_id,
1262                       caps->device_rev_id,
1263                       caps->sdvo_version_major,
1264                       caps->sdvo_version_minor,
1265                       caps->sdvo_inputs_mask,
1266                       caps->smooth_scaling,
1267                       caps->sharp_scaling,
1268                       caps->up_scaling,
1269                       caps->down_scaling,
1270                       caps->stall_support,
1271                       caps->output_flags);
1272
1273         return true;
1274 }
1275
1276 static int intel_sdvo_supports_hotplug(struct intel_sdvo *intel_sdvo)
1277 {
1278         struct drm_device *dev = intel_sdvo->base.base.dev;
1279         u8 response[2];
1280
1281         /* HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
1282          * on the line. */
1283         if (IS_I945G(dev) || IS_I945GM(dev))
1284                 return false;
1285
1286         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1287                                     &response, 2) && response[0];
1288 }
1289
1290 static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
1291 {
1292         struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1293
1294         intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &intel_sdvo->hotplug_active, 2);
1295 }
1296
1297 static bool
1298 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1299 {
1300         /* Is there more than one type of output? */
1301         return hweight16(intel_sdvo->caps.output_flags) > 1;
1302 }
1303
1304 static struct edid *
1305 intel_sdvo_get_edid(struct drm_connector *connector)
1306 {
1307         struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
1308         return drm_get_edid(connector, &sdvo->ddc);
1309 }
1310
1311 /* Mac mini hack -- use the same DDC as the analog connector */
1312 static struct edid *
1313 intel_sdvo_get_analog_edid(struct drm_connector *connector)
1314 {
1315         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1316
1317         return drm_get_edid(connector,
1318                             intel_gmbus_get_adapter(dev_priv,
1319                                                     dev_priv->crt_ddc_pin));
1320 }
1321
1322 static enum drm_connector_status
1323 intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
1324 {
1325         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1326         enum drm_connector_status status;
1327         struct edid *edid;
1328
1329         edid = intel_sdvo_get_edid(connector);
1330
1331         if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1332                 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1333
1334                 /*
1335                  * Don't use the 1 as the argument of DDC bus switch to get
1336                  * the EDID. It is used for SDVO SPD ROM.
1337                  */
1338                 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1339                         intel_sdvo->ddc_bus = ddc;
1340                         edid = intel_sdvo_get_edid(connector);
1341                         if (edid)
1342                                 break;
1343                 }
1344                 /*
1345                  * If we found the EDID on the other bus,
1346                  * assume that is the correct DDC bus.
1347                  */
1348                 if (edid == NULL)
1349                         intel_sdvo->ddc_bus = saved_ddc;
1350         }
1351
1352         /*
1353          * When there is no edid and no monitor is connected with VGA
1354          * port, try to use the CRT ddc to read the EDID for DVI-connector.
1355          */
1356         if (edid == NULL)
1357                 edid = intel_sdvo_get_analog_edid(connector);
1358
1359         status = connector_status_unknown;
1360         if (edid != NULL) {
1361                 /* DDC bus is shared, match EDID to connector type */
1362                 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1363                         status = connector_status_connected;
1364                         if (intel_sdvo->is_hdmi) {
1365                                 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1366                                 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1367                         }
1368                 } else
1369                         status = connector_status_disconnected;
1370                 connector->display_info.raw_edid = NULL;
1371                 kfree(edid);
1372         }
1373
1374         if (status == connector_status_connected) {
1375                 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1376                 if (intel_sdvo_connector->force_audio != HDMI_AUDIO_AUTO)
1377                         intel_sdvo->has_hdmi_audio = (intel_sdvo_connector->force_audio == HDMI_AUDIO_ON);
1378         }
1379
1380         return status;
1381 }
1382
1383 static bool
1384 intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
1385                                   struct edid *edid)
1386 {
1387         bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1388         bool connector_is_digital = !!IS_DIGITAL(sdvo);
1389
1390         DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
1391                       connector_is_digital, monitor_is_digital);
1392         return connector_is_digital == monitor_is_digital;
1393 }
1394
1395 static enum drm_connector_status
1396 intel_sdvo_detect(struct drm_connector *connector, bool force)
1397 {
1398         uint16_t response;
1399         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1400         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1401         enum drm_connector_status ret;
1402
1403         if (!intel_sdvo_write_cmd(intel_sdvo,
1404                                   SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
1405                 return connector_status_unknown;
1406
1407         /* add 30ms delay when the output type might be TV */
1408         if (intel_sdvo->caps.output_flags & SDVO_TV_MASK)
1409                 msleep(30);
1410
1411         if (!intel_sdvo_read_response(intel_sdvo, &response, 2))
1412                 return connector_status_unknown;
1413
1414         DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1415                       response & 0xff, response >> 8,
1416                       intel_sdvo_connector->output_flag);
1417
1418         if (response == 0)
1419                 return connector_status_disconnected;
1420
1421         intel_sdvo->attached_output = response;
1422
1423         intel_sdvo->has_hdmi_monitor = false;
1424         intel_sdvo->has_hdmi_audio = false;
1425
1426         if ((intel_sdvo_connector->output_flag & response) == 0)
1427                 ret = connector_status_disconnected;
1428         else if (IS_TMDS(intel_sdvo_connector))
1429                 ret = intel_sdvo_tmds_sink_detect(connector);
1430         else {
1431                 struct edid *edid;
1432
1433                 /* if we have an edid check it matches the connection */
1434                 edid = intel_sdvo_get_edid(connector);
1435                 if (edid == NULL)
1436                         edid = intel_sdvo_get_analog_edid(connector);
1437                 if (edid != NULL) {
1438                         if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
1439                                                               edid))
1440                                 ret = connector_status_connected;
1441                         else
1442                                 ret = connector_status_disconnected;
1443
1444                         connector->display_info.raw_edid = NULL;
1445                         kfree(edid);
1446                 } else
1447                         ret = connector_status_connected;
1448         }
1449
1450         /* May update encoder flag for like clock for SDVO TV, etc.*/
1451         if (ret == connector_status_connected) {
1452                 intel_sdvo->is_tv = false;
1453                 intel_sdvo->is_lvds = false;
1454                 intel_sdvo->base.needs_tv_clock = false;
1455
1456                 if (response & SDVO_TV_MASK) {
1457                         intel_sdvo->is_tv = true;
1458                         intel_sdvo->base.needs_tv_clock = true;
1459                 }
1460                 if (response & SDVO_LVDS_MASK)
1461                         intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1462         }
1463
1464         return ret;
1465 }
1466
1467 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1468 {
1469         struct edid *edid;
1470
1471         /* set the bus switch and get the modes */
1472         edid = intel_sdvo_get_edid(connector);
1473
1474         /*
1475          * Mac mini hack.  On this device, the DVI-I connector shares one DDC
1476          * link between analog and digital outputs. So, if the regular SDVO
1477          * DDC fails, check to see if the analog output is disconnected, in
1478          * which case we'll look there for the digital DDC data.
1479          */
1480         if (edid == NULL)
1481                 edid = intel_sdvo_get_analog_edid(connector);
1482
1483         if (edid != NULL) {
1484                 if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
1485                                                       edid)) {
1486                         drm_mode_connector_update_edid_property(connector, edid);
1487                         drm_add_edid_modes(connector, edid);
1488                 }
1489
1490                 connector->display_info.raw_edid = NULL;
1491                 kfree(edid);
1492         }
1493 }
1494
1495 /*
1496  * Set of SDVO TV modes.
1497  * Note!  This is in reply order (see loop in get_tv_modes).
1498  * XXX: all 60Hz refresh?
1499  */
1500 static const struct drm_display_mode sdvo_tv_modes[] = {
1501         { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1502                    416, 0, 200, 201, 232, 233, 0,
1503                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1504         { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1505                    416, 0, 240, 241, 272, 273, 0,
1506                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1507         { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1508                    496, 0, 300, 301, 332, 333, 0,
1509                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1510         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1511                    736, 0, 350, 351, 382, 383, 0,
1512                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1513         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1514                    736, 0, 400, 401, 432, 433, 0,
1515                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1516         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1517                    736, 0, 480, 481, 512, 513, 0,
1518                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1519         { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1520                    800, 0, 480, 481, 512, 513, 0,
1521                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1522         { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1523                    800, 0, 576, 577, 608, 609, 0,
1524                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1525         { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1526                    816, 0, 350, 351, 382, 383, 0,
1527                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1528         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1529                    816, 0, 400, 401, 432, 433, 0,
1530                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1531         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1532                    816, 0, 480, 481, 512, 513, 0,
1533                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1534         { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1535                    816, 0, 540, 541, 572, 573, 0,
1536                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1537         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1538                    816, 0, 576, 577, 608, 609, 0,
1539                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1540         { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1541                    864, 0, 576, 577, 608, 609, 0,
1542                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1543         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1544                    896, 0, 600, 601, 632, 633, 0,
1545                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1546         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1547                    928, 0, 624, 625, 656, 657, 0,
1548                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1549         { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1550                    1016, 0, 766, 767, 798, 799, 0,
1551                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1552         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1553                    1120, 0, 768, 769, 800, 801, 0,
1554                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1555         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1556                    1376, 0, 1024, 1025, 1056, 1057, 0,
1557                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1558 };
1559
1560 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1561 {
1562         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1563         struct intel_sdvo_sdtv_resolution_request tv_res;
1564         uint32_t reply = 0, format_map = 0;
1565         int i;
1566
1567         /* Read the list of supported input resolutions for the selected TV
1568          * format.
1569          */
1570         format_map = 1 << intel_sdvo->tv_format_index;
1571         memcpy(&tv_res, &format_map,
1572                min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1573
1574         if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1575                 return;
1576
1577         BUILD_BUG_ON(sizeof(tv_res) != 3);
1578         if (!intel_sdvo_write_cmd(intel_sdvo,
1579                                   SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1580                                   &tv_res, sizeof(tv_res)))
1581                 return;
1582         if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1583                 return;
1584
1585         for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1586                 if (reply & (1 << i)) {
1587                         struct drm_display_mode *nmode;
1588                         nmode = drm_mode_duplicate(connector->dev,
1589                                                    &sdvo_tv_modes[i]);
1590                         if (nmode)
1591                                 drm_mode_probed_add(connector, nmode);
1592                 }
1593 }
1594
1595 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1596 {
1597         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1598         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1599         struct drm_display_mode *newmode;
1600
1601         /*
1602          * Attempt to get the mode list from DDC.
1603          * Assume that the preferred modes are
1604          * arranged in priority order.
1605          */
1606         intel_ddc_get_modes(connector, intel_sdvo->i2c);
1607         if (list_empty(&connector->probed_modes) == false)
1608                 goto end;
1609
1610         /* Fetch modes from VBT */
1611         if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1612                 newmode = drm_mode_duplicate(connector->dev,
1613                                              dev_priv->sdvo_lvds_vbt_mode);
1614                 if (newmode != NULL) {
1615                         /* Guarantee the mode is preferred */
1616                         newmode->type = (DRM_MODE_TYPE_PREFERRED |
1617                                          DRM_MODE_TYPE_DRIVER);
1618                         drm_mode_probed_add(connector, newmode);
1619                 }
1620         }
1621
1622 end:
1623         list_for_each_entry(newmode, &connector->probed_modes, head) {
1624                 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1625                         intel_sdvo->sdvo_lvds_fixed_mode =
1626                                 drm_mode_duplicate(connector->dev, newmode);
1627
1628                         intel_sdvo->is_lvds = true;
1629                         break;
1630                 }
1631         }
1632
1633 }
1634
1635 static int intel_sdvo_get_modes(struct drm_connector *connector)
1636 {
1637         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1638
1639         if (IS_TV(intel_sdvo_connector))
1640                 intel_sdvo_get_tv_modes(connector);
1641         else if (IS_LVDS(intel_sdvo_connector))
1642                 intel_sdvo_get_lvds_modes(connector);
1643         else
1644                 intel_sdvo_get_ddc_modes(connector);
1645
1646         return !list_empty(&connector->probed_modes);
1647 }
1648
1649 static void
1650 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1651 {
1652         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1653         struct drm_device *dev = connector->dev;
1654
1655         if (intel_sdvo_connector->left)
1656                 drm_property_destroy(dev, intel_sdvo_connector->left);
1657         if (intel_sdvo_connector->right)
1658                 drm_property_destroy(dev, intel_sdvo_connector->right);
1659         if (intel_sdvo_connector->top)
1660                 drm_property_destroy(dev, intel_sdvo_connector->top);
1661         if (intel_sdvo_connector->bottom)
1662                 drm_property_destroy(dev, intel_sdvo_connector->bottom);
1663         if (intel_sdvo_connector->hpos)
1664                 drm_property_destroy(dev, intel_sdvo_connector->hpos);
1665         if (intel_sdvo_connector->vpos)
1666                 drm_property_destroy(dev, intel_sdvo_connector->vpos);
1667         if (intel_sdvo_connector->saturation)
1668                 drm_property_destroy(dev, intel_sdvo_connector->saturation);
1669         if (intel_sdvo_connector->contrast)
1670                 drm_property_destroy(dev, intel_sdvo_connector->contrast);
1671         if (intel_sdvo_connector->hue)
1672                 drm_property_destroy(dev, intel_sdvo_connector->hue);
1673         if (intel_sdvo_connector->sharpness)
1674                 drm_property_destroy(dev, intel_sdvo_connector->sharpness);
1675         if (intel_sdvo_connector->flicker_filter)
1676                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
1677         if (intel_sdvo_connector->flicker_filter_2d)
1678                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
1679         if (intel_sdvo_connector->flicker_filter_adaptive)
1680                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
1681         if (intel_sdvo_connector->tv_luma_filter)
1682                 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
1683         if (intel_sdvo_connector->tv_chroma_filter)
1684                 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
1685         if (intel_sdvo_connector->dot_crawl)
1686                 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
1687         if (intel_sdvo_connector->brightness)
1688                 drm_property_destroy(dev, intel_sdvo_connector->brightness);
1689 }
1690
1691 static void intel_sdvo_destroy(struct drm_connector *connector)
1692 {
1693         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1694
1695         if (intel_sdvo_connector->tv_format)
1696                 drm_property_destroy(connector->dev,
1697                                      intel_sdvo_connector->tv_format);
1698
1699         intel_sdvo_destroy_enhance_property(connector);
1700         drm_sysfs_connector_remove(connector);
1701         drm_connector_cleanup(connector);
1702         kfree(connector);
1703 }
1704
1705 static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
1706 {
1707         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1708         struct edid *edid;
1709         bool has_audio = false;
1710
1711         if (!intel_sdvo->is_hdmi)
1712                 return false;
1713
1714         edid = intel_sdvo_get_edid(connector);
1715         if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
1716                 has_audio = drm_detect_monitor_audio(edid);
1717         kfree(edid);
1718
1719         return has_audio;
1720 }
1721
1722 static int
1723 intel_sdvo_set_property(struct drm_connector *connector,
1724                         struct drm_property *property,
1725                         uint64_t val)
1726 {
1727         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1728         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1729         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1730         uint16_t temp_value;
1731         uint8_t cmd;
1732         int ret;
1733
1734         ret = drm_connector_property_set_value(connector, property, val);
1735         if (ret)
1736                 return ret;
1737
1738         if (property == dev_priv->force_audio_property) {
1739                 int i = val;
1740                 bool has_audio;
1741
1742                 if (i == intel_sdvo_connector->force_audio)
1743                         return 0;
1744
1745                 intel_sdvo_connector->force_audio = i;
1746
1747                 if (i == HDMI_AUDIO_AUTO)
1748                         has_audio = intel_sdvo_detect_hdmi_audio(connector);
1749                 else
1750                         has_audio = (i == HDMI_AUDIO_ON);
1751
1752                 if (has_audio == intel_sdvo->has_hdmi_audio)
1753                         return 0;
1754
1755                 intel_sdvo->has_hdmi_audio = has_audio;
1756                 goto done;
1757         }
1758
1759         if (property == dev_priv->broadcast_rgb_property) {
1760                 if (val == !!intel_sdvo->color_range)
1761                         return 0;
1762
1763                 intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
1764                 goto done;
1765         }
1766
1767 #define CHECK_PROPERTY(name, NAME) \
1768         if (intel_sdvo_connector->name == property) { \
1769                 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
1770                 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1771                 cmd = SDVO_CMD_SET_##NAME; \
1772                 intel_sdvo_connector->cur_##name = temp_value; \
1773                 goto set_value; \
1774         }
1775
1776         if (property == intel_sdvo_connector->tv_format) {
1777                 if (val >= TV_FORMAT_NUM)
1778                         return -EINVAL;
1779
1780                 if (intel_sdvo->tv_format_index ==
1781                     intel_sdvo_connector->tv_format_supported[val])
1782                         return 0;
1783
1784                 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
1785                 goto done;
1786         } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
1787                 temp_value = val;
1788                 if (intel_sdvo_connector->left == property) {
1789                         drm_connector_property_set_value(connector,
1790                                                          intel_sdvo_connector->right, val);
1791                         if (intel_sdvo_connector->left_margin == temp_value)
1792                                 return 0;
1793
1794                         intel_sdvo_connector->left_margin = temp_value;
1795                         intel_sdvo_connector->right_margin = temp_value;
1796                         temp_value = intel_sdvo_connector->max_hscan -
1797                                 intel_sdvo_connector->left_margin;
1798                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1799                         goto set_value;
1800                 } else if (intel_sdvo_connector->right == property) {
1801                         drm_connector_property_set_value(connector,
1802                                                          intel_sdvo_connector->left, val);
1803                         if (intel_sdvo_connector->right_margin == temp_value)
1804                                 return 0;
1805
1806                         intel_sdvo_connector->left_margin = temp_value;
1807                         intel_sdvo_connector->right_margin = temp_value;
1808                         temp_value = intel_sdvo_connector->max_hscan -
1809                                 intel_sdvo_connector->left_margin;
1810                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1811                         goto set_value;
1812                 } else if (intel_sdvo_connector->top == property) {
1813                         drm_connector_property_set_value(connector,
1814                                                          intel_sdvo_connector->bottom, val);
1815                         if (intel_sdvo_connector->top_margin == temp_value)
1816                                 return 0;
1817
1818                         intel_sdvo_connector->top_margin = temp_value;
1819                         intel_sdvo_connector->bottom_margin = temp_value;
1820                         temp_value = intel_sdvo_connector->max_vscan -
1821                                 intel_sdvo_connector->top_margin;
1822                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1823                         goto set_value;
1824                 } else if (intel_sdvo_connector->bottom == property) {
1825                         drm_connector_property_set_value(connector,
1826                                                          intel_sdvo_connector->top, val);
1827                         if (intel_sdvo_connector->bottom_margin == temp_value)
1828                                 return 0;
1829
1830                         intel_sdvo_connector->top_margin = temp_value;
1831                         intel_sdvo_connector->bottom_margin = temp_value;
1832                         temp_value = intel_sdvo_connector->max_vscan -
1833                                 intel_sdvo_connector->top_margin;
1834                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1835                         goto set_value;
1836                 }
1837                 CHECK_PROPERTY(hpos, HPOS)
1838                 CHECK_PROPERTY(vpos, VPOS)
1839                 CHECK_PROPERTY(saturation, SATURATION)
1840                 CHECK_PROPERTY(contrast, CONTRAST)
1841                 CHECK_PROPERTY(hue, HUE)
1842                 CHECK_PROPERTY(brightness, BRIGHTNESS)
1843                 CHECK_PROPERTY(sharpness, SHARPNESS)
1844                 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1845                 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1846                 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1847                 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1848                 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1849                 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1850         }
1851
1852         return -EINVAL; /* unknown property */
1853
1854 set_value:
1855         if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
1856                 return -EIO;
1857
1858
1859 done:
1860         if (intel_sdvo->base.base.crtc) {
1861                 struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
1862                 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1863                                          crtc->y, crtc->fb);
1864         }
1865
1866         return 0;
1867 #undef CHECK_PROPERTY
1868 }
1869
1870 static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
1871         .dpms = intel_sdvo_dpms,
1872         .mode_fixup = intel_sdvo_mode_fixup,
1873         .prepare = intel_encoder_prepare,
1874         .mode_set = intel_sdvo_mode_set,
1875         .commit = intel_encoder_commit,
1876 };
1877
1878 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
1879         .dpms = drm_helper_connector_dpms,
1880         .detect = intel_sdvo_detect,
1881         .fill_modes = drm_helper_probe_single_connector_modes,
1882         .set_property = intel_sdvo_set_property,
1883         .destroy = intel_sdvo_destroy,
1884 };
1885
1886 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
1887         .get_modes = intel_sdvo_get_modes,
1888         .mode_valid = intel_sdvo_mode_valid,
1889         .best_encoder = intel_best_encoder,
1890 };
1891
1892 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
1893 {
1894         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1895
1896         if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
1897                 drm_mode_destroy(encoder->dev,
1898                                  intel_sdvo->sdvo_lvds_fixed_mode);
1899
1900         i2c_del_adapter(&intel_sdvo->ddc);
1901         intel_encoder_destroy(encoder);
1902 }
1903
1904 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
1905         .destroy = intel_sdvo_enc_destroy,
1906 };
1907
1908 static void
1909 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
1910 {
1911         uint16_t mask = 0;
1912         unsigned int num_bits;
1913
1914         /* Make a mask of outputs less than or equal to our own priority in the
1915          * list.
1916          */
1917         switch (sdvo->controlled_output) {
1918         case SDVO_OUTPUT_LVDS1:
1919                 mask |= SDVO_OUTPUT_LVDS1;
1920         case SDVO_OUTPUT_LVDS0:
1921                 mask |= SDVO_OUTPUT_LVDS0;
1922         case SDVO_OUTPUT_TMDS1:
1923                 mask |= SDVO_OUTPUT_TMDS1;
1924         case SDVO_OUTPUT_TMDS0:
1925                 mask |= SDVO_OUTPUT_TMDS0;
1926         case SDVO_OUTPUT_RGB1:
1927                 mask |= SDVO_OUTPUT_RGB1;
1928         case SDVO_OUTPUT_RGB0:
1929                 mask |= SDVO_OUTPUT_RGB0;
1930                 break;
1931         }
1932
1933         /* Count bits to find what number we are in the priority list. */
1934         mask &= sdvo->caps.output_flags;
1935         num_bits = hweight16(mask);
1936         /* If more than 3 outputs, default to DDC bus 3 for now. */
1937         if (num_bits > 3)
1938                 num_bits = 3;
1939
1940         /* Corresponds to SDVO_CONTROL_BUS_DDCx */
1941         sdvo->ddc_bus = 1 << num_bits;
1942 }
1943
1944 /**
1945  * Choose the appropriate DDC bus for control bus switch command for this
1946  * SDVO output based on the controlled output.
1947  *
1948  * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
1949  * outputs, then LVDS outputs.
1950  */
1951 static void
1952 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
1953                           struct intel_sdvo *sdvo, u32 reg)
1954 {
1955         struct sdvo_device_mapping *mapping;
1956
1957         if (sdvo->is_sdvob)
1958                 mapping = &(dev_priv->sdvo_mappings[0]);
1959         else
1960                 mapping = &(dev_priv->sdvo_mappings[1]);
1961
1962         if (mapping->initialized)
1963                 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
1964         else
1965                 intel_sdvo_guess_ddc_bus(sdvo);
1966 }
1967
1968 static void
1969 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
1970                           struct intel_sdvo *sdvo, u32 reg)
1971 {
1972         struct sdvo_device_mapping *mapping;
1973         u8 pin;
1974
1975         if (sdvo->is_sdvob)
1976                 mapping = &dev_priv->sdvo_mappings[0];
1977         else
1978                 mapping = &dev_priv->sdvo_mappings[1];
1979
1980         pin = GMBUS_PORT_DPB;
1981         if (mapping->initialized)
1982                 pin = mapping->i2c_pin;
1983
1984         if (intel_gmbus_is_port_valid(pin)) {
1985                 sdvo->i2c = intel_gmbus_get_adapter(dev_priv, pin);
1986                 intel_gmbus_set_speed(sdvo->i2c, GMBUS_RATE_1MHZ);
1987                 intel_gmbus_force_bit(sdvo->i2c, true);
1988         } else {
1989                 sdvo->i2c = intel_gmbus_get_adapter(dev_priv, GMBUS_PORT_DPB);
1990         }
1991 }
1992
1993 static bool
1994 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
1995 {
1996         return intel_sdvo_check_supp_encode(intel_sdvo);
1997 }
1998
1999 static u8
2000 intel_sdvo_get_slave_addr(struct drm_device *dev, struct intel_sdvo *sdvo)
2001 {
2002         struct drm_i915_private *dev_priv = dev->dev_private;
2003         struct sdvo_device_mapping *my_mapping, *other_mapping;
2004
2005         if (sdvo->is_sdvob) {
2006                 my_mapping = &dev_priv->sdvo_mappings[0];
2007                 other_mapping = &dev_priv->sdvo_mappings[1];
2008         } else {
2009                 my_mapping = &dev_priv->sdvo_mappings[1];
2010                 other_mapping = &dev_priv->sdvo_mappings[0];
2011         }
2012
2013         /* If the BIOS described our SDVO device, take advantage of it. */
2014         if (my_mapping->slave_addr)
2015                 return my_mapping->slave_addr;
2016
2017         /* If the BIOS only described a different SDVO device, use the
2018          * address that it isn't using.
2019          */
2020         if (other_mapping->slave_addr) {
2021                 if (other_mapping->slave_addr == 0x70)
2022                         return 0x72;
2023                 else
2024                         return 0x70;
2025         }
2026
2027         /* No SDVO device info is found for another DVO port,
2028          * so use mapping assumption we had before BIOS parsing.
2029          */
2030         if (sdvo->is_sdvob)
2031                 return 0x70;
2032         else
2033                 return 0x72;
2034 }
2035
2036 static void
2037 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2038                           struct intel_sdvo *encoder)
2039 {
2040         drm_connector_init(encoder->base.base.dev,
2041                            &connector->base.base,
2042                            &intel_sdvo_connector_funcs,
2043                            connector->base.base.connector_type);
2044
2045         drm_connector_helper_add(&connector->base.base,
2046                                  &intel_sdvo_connector_helper_funcs);
2047
2048         connector->base.base.interlace_allowed = 1;
2049         connector->base.base.doublescan_allowed = 0;
2050         connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2051
2052         intel_connector_attach_encoder(&connector->base, &encoder->base);
2053         drm_sysfs_connector_add(&connector->base.base);
2054 }
2055
2056 static void
2057 intel_sdvo_add_hdmi_properties(struct intel_sdvo_connector *connector)
2058 {
2059         struct drm_device *dev = connector->base.base.dev;
2060
2061         intel_attach_force_audio_property(&connector->base.base);
2062         if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev))
2063                 intel_attach_broadcast_rgb_property(&connector->base.base);
2064 }
2065
2066 static bool
2067 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2068 {
2069         struct drm_encoder *encoder = &intel_sdvo->base.base;
2070         struct drm_connector *connector;
2071         struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
2072         struct intel_connector *intel_connector;
2073         struct intel_sdvo_connector *intel_sdvo_connector;
2074
2075         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2076         if (!intel_sdvo_connector)
2077                 return false;
2078
2079         if (device == 0) {
2080                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2081                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2082         } else if (device == 1) {
2083                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2084                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2085         }
2086
2087         intel_connector = &intel_sdvo_connector->base;
2088         connector = &intel_connector->base;
2089         if (intel_sdvo_supports_hotplug(intel_sdvo) & (1 << device)) {
2090                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2091                 intel_sdvo->hotplug_active[0] |= 1 << device;
2092                 /* Some SDVO devices have one-shot hotplug interrupts.
2093                  * Ensure that they get re-enabled when an interrupt happens.
2094                  */
2095                 intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
2096                 intel_sdvo_enable_hotplug(intel_encoder);
2097         }
2098         else
2099                 connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2100         encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2101         connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2102
2103         if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2104                 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2105                 intel_sdvo->is_hdmi = true;
2106         }
2107         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2108                                        (1 << INTEL_ANALOG_CLONE_BIT));
2109
2110         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2111         if (intel_sdvo->is_hdmi)
2112                 intel_sdvo_add_hdmi_properties(intel_sdvo_connector);
2113
2114         return true;
2115 }
2116
2117 static bool
2118 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2119 {
2120         struct drm_encoder *encoder = &intel_sdvo->base.base;
2121         struct drm_connector *connector;
2122         struct intel_connector *intel_connector;
2123         struct intel_sdvo_connector *intel_sdvo_connector;
2124
2125         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2126         if (!intel_sdvo_connector)
2127                 return false;
2128
2129         intel_connector = &intel_sdvo_connector->base;
2130         connector = &intel_connector->base;
2131         encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2132         connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2133
2134         intel_sdvo->controlled_output |= type;
2135         intel_sdvo_connector->output_flag = type;
2136
2137         intel_sdvo->is_tv = true;
2138         intel_sdvo->base.needs_tv_clock = true;
2139         intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2140
2141         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2142
2143         if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2144                 goto err;
2145
2146         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2147                 goto err;
2148
2149         return true;
2150
2151 err:
2152         intel_sdvo_destroy(connector);
2153         return false;
2154 }
2155
2156 static bool
2157 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2158 {
2159         struct drm_encoder *encoder = &intel_sdvo->base.base;
2160         struct drm_connector *connector;
2161         struct intel_connector *intel_connector;
2162         struct intel_sdvo_connector *intel_sdvo_connector;
2163
2164         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2165         if (!intel_sdvo_connector)
2166                 return false;
2167
2168         intel_connector = &intel_sdvo_connector->base;
2169         connector = &intel_connector->base;
2170         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2171         encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2172         connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2173
2174         if (device == 0) {
2175                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2176                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2177         } else if (device == 1) {
2178                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2179                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2180         }
2181
2182         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2183                                        (1 << INTEL_ANALOG_CLONE_BIT));
2184
2185         intel_sdvo_connector_init(intel_sdvo_connector,
2186                                   intel_sdvo);
2187         return true;
2188 }
2189
2190 static bool
2191 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2192 {
2193         struct drm_encoder *encoder = &intel_sdvo->base.base;
2194         struct drm_connector *connector;
2195         struct intel_connector *intel_connector;
2196         struct intel_sdvo_connector *intel_sdvo_connector;
2197
2198         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2199         if (!intel_sdvo_connector)
2200                 return false;
2201
2202         intel_connector = &intel_sdvo_connector->base;
2203         connector = &intel_connector->base;
2204         encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2205         connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2206
2207         if (device == 0) {
2208                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2209                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2210         } else if (device == 1) {
2211                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2212                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2213         }
2214
2215         intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
2216                                        (1 << INTEL_SDVO_LVDS_CLONE_BIT));
2217
2218         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2219         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2220                 goto err;
2221
2222         return true;
2223
2224 err:
2225         intel_sdvo_destroy(connector);
2226         return false;
2227 }
2228
2229 static bool
2230 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2231 {
2232         intel_sdvo->is_tv = false;
2233         intel_sdvo->base.needs_tv_clock = false;
2234         intel_sdvo->is_lvds = false;
2235
2236         /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2237
2238         if (flags & SDVO_OUTPUT_TMDS0)
2239                 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2240                         return false;
2241
2242         if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2243                 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2244                         return false;
2245
2246         /* TV has no XXX1 function block */
2247         if (flags & SDVO_OUTPUT_SVID0)
2248                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2249                         return false;
2250
2251         if (flags & SDVO_OUTPUT_CVBS0)
2252                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2253                         return false;
2254
2255         if (flags & SDVO_OUTPUT_YPRPB0)
2256                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_YPRPB0))
2257                         return false;
2258
2259         if (flags & SDVO_OUTPUT_RGB0)
2260                 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2261                         return false;
2262
2263         if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2264                 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2265                         return false;
2266
2267         if (flags & SDVO_OUTPUT_LVDS0)
2268                 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2269                         return false;
2270
2271         if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2272                 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2273                         return false;
2274
2275         if ((flags & SDVO_OUTPUT_MASK) == 0) {
2276                 unsigned char bytes[2];
2277
2278                 intel_sdvo->controlled_output = 0;
2279                 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2280                 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2281                               SDVO_NAME(intel_sdvo),
2282                               bytes[0], bytes[1]);
2283                 return false;
2284         }
2285         intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
2286
2287         return true;
2288 }
2289
2290 static void intel_sdvo_output_cleanup(struct intel_sdvo *intel_sdvo)
2291 {
2292         struct drm_device *dev = intel_sdvo->base.base.dev;
2293         struct drm_connector *connector, *tmp;
2294
2295         list_for_each_entry_safe(connector, tmp,
2296                                  &dev->mode_config.connector_list, head) {
2297                 if (intel_attached_encoder(connector) == &intel_sdvo->base)
2298                         intel_sdvo_destroy(connector);
2299         }
2300 }
2301
2302 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2303                                           struct intel_sdvo_connector *intel_sdvo_connector,
2304                                           int type)
2305 {
2306         struct drm_device *dev = intel_sdvo->base.base.dev;
2307         struct intel_sdvo_tv_format format;
2308         uint32_t format_map, i;
2309
2310         if (!intel_sdvo_set_target_output(intel_sdvo, type))
2311                 return false;
2312
2313         BUILD_BUG_ON(sizeof(format) != 6);
2314         if (!intel_sdvo_get_value(intel_sdvo,
2315                                   SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2316                                   &format, sizeof(format)))
2317                 return false;
2318
2319         memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2320
2321         if (format_map == 0)
2322                 return false;
2323
2324         intel_sdvo_connector->format_supported_num = 0;
2325         for (i = 0 ; i < TV_FORMAT_NUM; i++)
2326                 if (format_map & (1 << i))
2327                         intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2328
2329
2330         intel_sdvo_connector->tv_format =
2331                         drm_property_create(dev, DRM_MODE_PROP_ENUM,
2332                                             "mode", intel_sdvo_connector->format_supported_num);
2333         if (!intel_sdvo_connector->tv_format)
2334                 return false;
2335
2336         for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2337                 drm_property_add_enum(
2338                                 intel_sdvo_connector->tv_format, i,
2339                                 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2340
2341         intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2342         drm_connector_attach_property(&intel_sdvo_connector->base.base,
2343                                       intel_sdvo_connector->tv_format, 0);
2344         return true;
2345
2346 }
2347
2348 #define ENHANCEMENT(name, NAME) do { \
2349         if (enhancements.name) { \
2350                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2351                     !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2352                         return false; \
2353                 intel_sdvo_connector->max_##name = data_value[0]; \
2354                 intel_sdvo_connector->cur_##name = response; \
2355                 intel_sdvo_connector->name = \
2356                         drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2357                 if (!intel_sdvo_connector->name) return false; \
2358                 drm_connector_attach_property(connector, \
2359                                               intel_sdvo_connector->name, \
2360                                               intel_sdvo_connector->cur_##name); \
2361                 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2362                               data_value[0], data_value[1], response); \
2363         } \
2364 } while (0)
2365
2366 static bool
2367 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2368                                       struct intel_sdvo_connector *intel_sdvo_connector,
2369                                       struct intel_sdvo_enhancements_reply enhancements)
2370 {
2371         struct drm_device *dev = intel_sdvo->base.base.dev;
2372         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2373         uint16_t response, data_value[2];
2374
2375         /* when horizontal overscan is supported, Add the left/right  property */
2376         if (enhancements.overscan_h) {
2377                 if (!intel_sdvo_get_value(intel_sdvo,
2378                                           SDVO_CMD_GET_MAX_OVERSCAN_H,
2379                                           &data_value, 4))
2380                         return false;
2381
2382                 if (!intel_sdvo_get_value(intel_sdvo,
2383                                           SDVO_CMD_GET_OVERSCAN_H,
2384                                           &response, 2))
2385                         return false;
2386
2387                 intel_sdvo_connector->max_hscan = data_value[0];
2388                 intel_sdvo_connector->left_margin = data_value[0] - response;
2389                 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2390                 intel_sdvo_connector->left =
2391                         drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
2392                 if (!intel_sdvo_connector->left)
2393                         return false;
2394
2395                 drm_connector_attach_property(connector,
2396                                               intel_sdvo_connector->left,
2397                                               intel_sdvo_connector->left_margin);
2398
2399                 intel_sdvo_connector->right =
2400                         drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
2401                 if (!intel_sdvo_connector->right)
2402                         return false;
2403
2404                 drm_connector_attach_property(connector,
2405                                               intel_sdvo_connector->right,
2406                                               intel_sdvo_connector->right_margin);
2407                 DRM_DEBUG_KMS("h_overscan: max %d, "
2408                               "default %d, current %d\n",
2409                               data_value[0], data_value[1], response);
2410         }
2411
2412         if (enhancements.overscan_v) {
2413                 if (!intel_sdvo_get_value(intel_sdvo,
2414                                           SDVO_CMD_GET_MAX_OVERSCAN_V,
2415                                           &data_value, 4))
2416                         return false;
2417
2418                 if (!intel_sdvo_get_value(intel_sdvo,
2419                                           SDVO_CMD_GET_OVERSCAN_V,
2420                                           &response, 2))
2421                         return false;
2422
2423                 intel_sdvo_connector->max_vscan = data_value[0];
2424                 intel_sdvo_connector->top_margin = data_value[0] - response;
2425                 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2426                 intel_sdvo_connector->top =
2427                         drm_property_create_range(dev, 0,
2428                                             "top_margin", 0, data_value[0]);
2429                 if (!intel_sdvo_connector->top)
2430                         return false;
2431
2432                 drm_connector_attach_property(connector,
2433                                               intel_sdvo_connector->top,
2434                                               intel_sdvo_connector->top_margin);
2435
2436                 intel_sdvo_connector->bottom =
2437                         drm_property_create_range(dev, 0,
2438                                             "bottom_margin", 0, data_value[0]);
2439                 if (!intel_sdvo_connector->bottom)
2440                         return false;
2441
2442                 drm_connector_attach_property(connector,
2443                                               intel_sdvo_connector->bottom,
2444                                               intel_sdvo_connector->bottom_margin);
2445                 DRM_DEBUG_KMS("v_overscan: max %d, "
2446                               "default %d, current %d\n",
2447                               data_value[0], data_value[1], response);
2448         }
2449
2450         ENHANCEMENT(hpos, HPOS);
2451         ENHANCEMENT(vpos, VPOS);
2452         ENHANCEMENT(saturation, SATURATION);
2453         ENHANCEMENT(contrast, CONTRAST);
2454         ENHANCEMENT(hue, HUE);
2455         ENHANCEMENT(sharpness, SHARPNESS);
2456         ENHANCEMENT(brightness, BRIGHTNESS);
2457         ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2458         ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2459         ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2460         ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2461         ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2462
2463         if (enhancements.dot_crawl) {
2464                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2465                         return false;
2466
2467                 intel_sdvo_connector->max_dot_crawl = 1;
2468                 intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2469                 intel_sdvo_connector->dot_crawl =
2470                         drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
2471                 if (!intel_sdvo_connector->dot_crawl)
2472                         return false;
2473
2474                 drm_connector_attach_property(connector,
2475                                               intel_sdvo_connector->dot_crawl,
2476                                               intel_sdvo_connector->cur_dot_crawl);
2477                 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2478         }
2479
2480         return true;
2481 }
2482
2483 static bool
2484 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2485                                         struct intel_sdvo_connector *intel_sdvo_connector,
2486                                         struct intel_sdvo_enhancements_reply enhancements)
2487 {
2488         struct drm_device *dev = intel_sdvo->base.base.dev;
2489         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2490         uint16_t response, data_value[2];
2491
2492         ENHANCEMENT(brightness, BRIGHTNESS);
2493
2494         return true;
2495 }
2496 #undef ENHANCEMENT
2497
2498 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2499                                                struct intel_sdvo_connector *intel_sdvo_connector)
2500 {
2501         union {
2502                 struct intel_sdvo_enhancements_reply reply;
2503                 uint16_t response;
2504         } enhancements;
2505
2506         BUILD_BUG_ON(sizeof(enhancements) != 2);
2507
2508         enhancements.response = 0;
2509         intel_sdvo_get_value(intel_sdvo,
2510                              SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2511                              &enhancements, sizeof(enhancements));
2512         if (enhancements.response == 0) {
2513                 DRM_DEBUG_KMS("No enhancement is supported\n");
2514                 return true;
2515         }
2516
2517         if (IS_TV(intel_sdvo_connector))
2518                 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2519         else if (IS_LVDS(intel_sdvo_connector))
2520                 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2521         else
2522                 return true;
2523 }
2524
2525 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2526                                      struct i2c_msg *msgs,
2527                                      int num)
2528 {
2529         struct intel_sdvo *sdvo = adapter->algo_data;
2530
2531         if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2532                 return -EIO;
2533
2534         return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2535 }
2536
2537 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2538 {
2539         struct intel_sdvo *sdvo = adapter->algo_data;
2540         return sdvo->i2c->algo->functionality(sdvo->i2c);
2541 }
2542
2543 static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
2544         .master_xfer    = intel_sdvo_ddc_proxy_xfer,
2545         .functionality  = intel_sdvo_ddc_proxy_func
2546 };
2547
2548 static bool
2549 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
2550                           struct drm_device *dev)
2551 {
2552         sdvo->ddc.owner = THIS_MODULE;
2553         sdvo->ddc.class = I2C_CLASS_DDC;
2554         snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2555         sdvo->ddc.dev.parent = &dev->pdev->dev;
2556         sdvo->ddc.algo_data = sdvo;
2557         sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
2558
2559         return i2c_add_adapter(&sdvo->ddc) == 0;
2560 }
2561
2562 bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
2563 {
2564         struct drm_i915_private *dev_priv = dev->dev_private;
2565         struct intel_encoder *intel_encoder;
2566         struct intel_sdvo *intel_sdvo;
2567         u32 hotplug_mask;
2568         int i;
2569
2570         intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);
2571         if (!intel_sdvo)
2572                 return false;
2573
2574         intel_sdvo->sdvo_reg = sdvo_reg;
2575         intel_sdvo->is_sdvob = is_sdvob;
2576         intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, intel_sdvo) >> 1;
2577         intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
2578         if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev)) {
2579                 kfree(intel_sdvo);
2580                 return false;
2581         }
2582
2583         /* encoder type will be decided later */
2584         intel_encoder = &intel_sdvo->base;
2585         intel_encoder->type = INTEL_OUTPUT_SDVO;
2586         drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
2587
2588         /* Read the regs to test if we can talk to the device */
2589         for (i = 0; i < 0x40; i++) {
2590                 u8 byte;
2591
2592                 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
2593                         DRM_DEBUG_KMS("No SDVO device found on %s\n",
2594                                       SDVO_NAME(intel_sdvo));
2595                         goto err;
2596                 }
2597         }
2598
2599         hotplug_mask = 0;
2600         if (IS_G4X(dev)) {
2601                 hotplug_mask = intel_sdvo->is_sdvob ?
2602                         SDVOB_HOTPLUG_INT_STATUS_G4X : SDVOC_HOTPLUG_INT_STATUS_G4X;
2603         } else if (IS_GEN4(dev)) {
2604                 hotplug_mask = intel_sdvo->is_sdvob ?
2605                         SDVOB_HOTPLUG_INT_STATUS_I965 : SDVOC_HOTPLUG_INT_STATUS_I965;
2606         } else {
2607                 hotplug_mask = intel_sdvo->is_sdvob ?
2608                         SDVOB_HOTPLUG_INT_STATUS_I915 : SDVOC_HOTPLUG_INT_STATUS_I915;
2609         }
2610
2611         drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
2612
2613         /* In default case sdvo lvds is false */
2614         if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
2615                 goto err;
2616
2617         if (intel_sdvo_output_setup(intel_sdvo,
2618                                     intel_sdvo->caps.output_flags) != true) {
2619                 DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
2620                               SDVO_NAME(intel_sdvo));
2621                 /* Output_setup can leave behind connectors! */
2622                 goto err_output;
2623         }
2624
2625         /* Only enable the hotplug irq if we need it, to work around noisy
2626          * hotplug lines.
2627          */
2628         if (intel_sdvo->hotplug_active[0])
2629                 dev_priv->hotplug_supported_mask |= hotplug_mask;
2630
2631         intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
2632
2633         /* Set the input timing to the screen. Assume always input 0. */
2634         if (!intel_sdvo_set_target_input(intel_sdvo))
2635                 goto err_output;
2636
2637         if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
2638                                                     &intel_sdvo->pixel_clock_min,
2639                                                     &intel_sdvo->pixel_clock_max))
2640                 goto err_output;
2641
2642         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2643                         "clock range %dMHz - %dMHz, "
2644                         "input 1: %c, input 2: %c, "
2645                         "output 1: %c, output 2: %c\n",
2646                         SDVO_NAME(intel_sdvo),
2647                         intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
2648                         intel_sdvo->caps.device_rev_id,
2649                         intel_sdvo->pixel_clock_min / 1000,
2650                         intel_sdvo->pixel_clock_max / 1000,
2651                         (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2652                         (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2653                         /* check currently supported outputs */
2654                         intel_sdvo->caps.output_flags &
2655                         (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2656                         intel_sdvo->caps.output_flags &
2657                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2658         return true;
2659
2660 err_output:
2661         intel_sdvo_output_cleanup(intel_sdvo);
2662
2663 err:
2664         drm_encoder_cleanup(&intel_encoder->base);
2665         i2c_del_adapter(&intel_sdvo->ddc);
2666         kfree(intel_sdvo);
2667
2668         return false;
2669 }