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 <drm/drmP.h>
  33 #include <drm/drm_crtc.h>
  34 #include <drm/drm_edid.h>
  35 #include "intel_drv.h"
  36 #include <drm/i915_drm.h>
  37 #include "i915_drv.h"
  38 #include "intel_sdvo_regs.h"
  39
  40 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
  41 #define SDVO_RGB_MASK  (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
  42 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
  43 #define SDVO_TV_MASK   (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0)
  44
  45 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
  46                         SDVO_TV_MASK)
  47
  48 #define IS_TV(c)        (c->output_flag & SDVO_TV_MASK)
  49 #define IS_TMDS(c)      (c->output_flag & SDVO_TMDS_MASK)
  50 #define IS_LVDS(c)      (c->output_flag & SDVO_LVDS_MASK)
  51 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
  52 #define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
  53
  54
  55 static const char *tv_format_names[] = {
  56         "NTSC_M"   , "NTSC_J"  , "NTSC_443",
  57         "PAL_B"    , "PAL_D"   , "PAL_G"   ,
  58         "PAL_H"    , "PAL_I"   , "PAL_M"   ,
  59         "PAL_N"    , "PAL_NC"  , "PAL_60"  ,
  60         "SECAM_B"  , "SECAM_D" , "SECAM_G" ,
  61         "SECAM_K"  , "SECAM_K1", "SECAM_L" ,
  62         "SECAM_60"
  63 };
  64
  65 #define TV_FORMAT_NUM  (sizeof(tv_format_names) / sizeof(*tv_format_names))
  66
  67 struct intel_sdvo {
  68         struct intel_encoder base;
  69
  70         struct i2c_adapter *i2c;
  71         u8 slave_addr;
  72
  73         struct i2c_adapter ddc;
  74
  75         /* Register for the SDVO device: SDVOB or SDVOC */
  76         uint32_t sdvo_reg;
  77
  78         /* Active outputs controlled by this SDVO output */
  79         uint16_t controlled_output;
  80
  81         /*
  82          * Capabilities of the SDVO device returned by
  83          * i830_sdvo_get_capabilities()
  84          */
  85         struct intel_sdvo_caps caps;
  86
  87         /* Pixel clock limitations reported by the SDVO device, in kHz */
  88         int pixel_clock_min, pixel_clock_max;
  89
  90         /*
  91         * For multiple function SDVO device,
  92         * this is for current attached outputs.
  93         */
  94         uint16_t attached_output;
  95
  96         /*
  97          * Hotplug activation bits for this device
  98          */
  99         uint16_t hotplug_active;
 100
 101         /**
 102          * This is used to select the color range of RBG outputs in HDMI mode.
 103          * It is only valid when using TMDS encoding and 8 bit per color mode.
 104          */
 105         uint32_t color_range;
 106
 107         /**
 108          * This is set if we're going to treat the device as TV-out.
 109          *
 110          * While we have these nice friendly flags for output types that ought
 111          * to decide this for us, the S-Video output on our HDMI+S-Video card
 112          * shows up as RGB1 (VGA).
 113          */
 114         bool is_tv;
 115
 116         /* On different gens SDVOB is at different places. */
 117         bool is_sdvob;
 118
 119         /* This is for current tv format name */
 120         int tv_format_index;
 121
 122         /**
 123          * This is set if we treat the device as HDMI, instead of DVI.
 124          */
 125         bool is_hdmi;
 126         bool has_hdmi_monitor;
 127         bool has_hdmi_audio;
 128
 129         /**
 130          * This is set if we detect output of sdvo device as LVDS and
 131          * have a valid fixed mode to use with the panel.
 132          */
 133         bool is_lvds;
 134
 135         /**
 136          * This is sdvo fixed pannel mode pointer
 137          */
 138         struct drm_display_mode *sdvo_lvds_fixed_mode;
 139
 140         /* DDC bus used by this SDVO encoder */
 141         uint8_t ddc_bus;
 142
 143         /*
 144          * the sdvo flag gets lost in round trip: dtd->adjusted_mode->dtd
 145          */
 146         uint8_t dtd_sdvo_flags;
 147 };
 148
 149 struct intel_sdvo_connector {
 150         struct intel_connector base;
 151
 152         /* Mark the type of connector */
 153         uint16_t output_flag;
 154
 155         enum hdmi_force_audio force_audio;
 156
 157         /* This contains all current supported TV format */
 158         u8 tv_format_supported[TV_FORMAT_NUM];
 159         int   format_supported_num;
 160         struct drm_property *tv_format;
 161
 162         /* add the property for the SDVO-TV */
 163         struct drm_property *left;
 164         struct drm_property *right;
 165         struct drm_property *top;
 166         struct drm_property *bottom;
 167         struct drm_property *hpos;
 168         struct drm_property *vpos;
 169         struct drm_property *contrast;
 170         struct drm_property *saturation;
 171         struct drm_property *hue;
 172         struct drm_property *sharpness;
 173         struct drm_property *flicker_filter;
 174         struct drm_property *flicker_filter_adaptive;
 175         struct drm_property *flicker_filter_2d;
 176         struct drm_property *tv_chroma_filter;
 177         struct drm_property *tv_luma_filter;
 178         struct drm_property *dot_crawl;
 179
 180         /* add the property for the SDVO-TV/LVDS */
 181         struct drm_property *brightness;
 182
 183         /* Add variable to record current setting for the above property */
 184         u32     left_margin, right_margin, top_margin, bottom_margin;
 185
 186         /* this is to get the range of margin.*/
 187         u32     max_hscan,  max_vscan;
 188         u32     max_hpos, cur_hpos;
 189         u32     max_vpos, cur_vpos;
 190         u32     cur_brightness, max_brightness;
 191         u32     cur_contrast,   max_contrast;
 192         u32     cur_saturation, max_saturation;
 193         u32     cur_hue,        max_hue;
 194         u32     cur_sharpness,  max_sharpness;
 195         u32     cur_flicker_filter,             max_flicker_filter;
 196         u32     cur_flicker_filter_adaptive,    max_flicker_filter_adaptive;
 197         u32     cur_flicker_filter_2d,          max_flicker_filter_2d;
 198         u32     cur_tv_chroma_filter,   max_tv_chroma_filter;
 199         u32     cur_tv_luma_filter,     max_tv_luma_filter;
 200         u32     cur_dot_crawl,  max_dot_crawl;
 201 };
 202
 203 static struct intel_sdvo *to_intel_sdvo(struct drm_encoder *encoder)
 204 {
 205         return container_of(encoder, struct intel_sdvo, base.base);
 206 }
 207
 208 static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
 209 {
 210         return container_of(intel_attached_encoder(connector),
 211                             struct intel_sdvo, base);
 212 }
 213
 214 static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector)
 215 {
 216         return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);
 217 }
 218
 219 static bool
 220 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
 221 static bool
 222 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
 223                               struct intel_sdvo_connector *intel_sdvo_connector,
 224                               int type);
 225 static bool
 226 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
 227                                    struct intel_sdvo_connector *intel_sdvo_connector);
 228
 229 /**
 230  * Writes the SDVOB or SDVOC with the given value, but always writes both
 231  * SDVOB and SDVOC to work around apparent hardware issues (according to
 232  * comments in the BIOS).
 233  */
 234 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
 235 {
 236         struct drm_device *dev = intel_sdvo->base.base.dev;
 237         struct drm_i915_private *dev_priv = dev->dev_private;
 238         u32 bval = val, cval = val;
 239         int i;
 240
 241         if (intel_sdvo->sdvo_reg == PCH_SDVOB) {
 242                 I915_WRITE(intel_sdvo->sdvo_reg, val);
 243                 I915_READ(intel_sdvo->sdvo_reg);
 244                 return;
 245         }
 246
 247         if (intel_sdvo->sdvo_reg == SDVOB) {
 248                 cval = I915_READ(SDVOC);
 249         } else {
 250                 bval = I915_READ(SDVOB);
 251         }
 252         /*
 253          * Write the registers twice for luck. Sometimes,
 254          * writing them only once doesn't appear to 'stick'.
 255          * The BIOS does this too. Yay, magic
 256          */
 257         for (i = 0; i < 2; i++)
 258         {
 259                 I915_WRITE(SDVOB, bval);
 260                 I915_READ(SDVOB);
 261                 I915_WRITE(SDVOC, cval);
 262                 I915_READ(SDVOC);
 263         }
 264 }
 265
 266 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
 267 {
 268         struct i2c_msg msgs[] = {
 269                 {
 270                         .addr = intel_sdvo->slave_addr,
 271                         .flags = 0,
 272                         .len = 1,
 273                         .buf = &addr,
 274                 },
 275                 {
 276                         .addr = intel_sdvo->slave_addr,
 277                         .flags = I2C_M_RD,
 278                         .len = 1,
 279                         .buf = ch,
 280                 }
 281         };
 282         int ret;
 283
 284         if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
 285                 return true;
 286
 287         DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
 288         return false;
 289 }
 290
 291 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
 292 /** Mapping of command numbers to names, for debug output */
 293 static const struct _sdvo_cmd_name {
 294         u8 cmd;
 295         const char *name;
 296 } sdvo_cmd_names[] = {
 297         SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
 298         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
 299         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
 300         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
 301         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
 302         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
 303         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
 304         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
 305         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
 306         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
 307         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
 308         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
 309         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
 310         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
 311         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
 312         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
 313         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
 314         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 315         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
 316         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 317         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
 318         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
 319         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
 320         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
 321         SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
 322         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
 323         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
 324         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
 325         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
 326         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
 327         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
 328         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
 329         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
 330         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
 331         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
 332         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
 333         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
 334         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
 335         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
 336         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
 337         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
 338         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
 339         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
 340
 341         /* Add the op code for SDVO enhancements */
 342         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
 343         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
 344         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
 345         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
 346         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
 347         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
 348         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
 349         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
 350         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
 351         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
 352         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
 353         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
 354         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
 355         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
 356         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
 357         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
 358         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
 359         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
 360         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
 361         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
 362         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
 363         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
 364         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
 365         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
 366         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
 367         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
 368         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
 369         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
 370         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
 371         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
 372         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
 373         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
 374         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
 375         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
 376         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
 377         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
 378         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
 379         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
 380         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
 381         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
 382         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
 383         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
 384         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
 385         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
 386
 387         /* HDMI op code */
 388         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
 389         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
 390         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
 391         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
 392         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
 393         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
 394         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
 395         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
 396         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
 397         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
 398         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
 399         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
 400         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
 401         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
 402         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
 403         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
 404         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
 405         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
 406         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
 407         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
 408 };
 409
 410 #define SDVO_NAME(svdo) ((svdo)->is_sdvob ? "SDVOB" : "SDVOC")
 411
 412 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
 413                                    const void *args, int args_len)
 414 {
 415         int i;
 416
 417         DRM_DEBUG_KMS("%s: W: %02X ",
 418                                 SDVO_NAME(intel_sdvo), cmd);
 419         for (i = 0; i < args_len; i++)
 420                 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
 421         for (; i < 8; i++)
 422                 DRM_LOG_KMS("   ");
 423         for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
 424                 if (cmd == sdvo_cmd_names[i].cmd) {
 425                         DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
 426                         break;
 427                 }
 428         }
 429         if (i == ARRAY_SIZE(sdvo_cmd_names))
 430                 DRM_LOG_KMS("(%02X)", cmd);
 431         DRM_LOG_KMS("\n");
 432 }
 433
 434 static const char *cmd_status_names[] = {
 435         "Power on",
 436         "Success",
 437         "Not supported",
 438         "Invalid arg",
 439         "Pending",
 440         "Target not specified",
 441         "Scaling not supported"
 442 };
 443
 444 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
 445                                  const void *args, int args_len)
 446 {
 447         u8 *buf, status;
 448         struct i2c_msg *msgs;
 449         int i, ret = true;
 450
 451         /* Would be simpler to allocate both in one go ? */
 452         buf = (u8 *)kzalloc(args_len * 2 + 2, GFP_KERNEL);
 453         if (!buf)
 454                 return false;
 455
 456         msgs = kcalloc(args_len + 3, sizeof(*msgs), GFP_KERNEL);
 457         if (!msgs) {
 458                 kfree(buf);
 459                 return false;
 460         }
 461
 462         intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
 463
 464         for (i = 0; i < args_len; i++) {
 465                 msgs[i].addr = intel_sdvo->slave_addr;
 466                 msgs[i].flags = 0;
 467                 msgs[i].len = 2;
 468                 msgs[i].buf = buf + 2 *i;
 469                 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
 470                 buf[2*i + 1] = ((u8*)args)[i];
 471         }
 472         msgs[i].addr = intel_sdvo->slave_addr;
 473         msgs[i].flags = 0;
 474         msgs[i].len = 2;
 475         msgs[i].buf = buf + 2*i;
 476         buf[2*i + 0] = SDVO_I2C_OPCODE;
 477         buf[2*i + 1] = cmd;
 478
 479         /* the following two are to read the response */
 480         status = SDVO_I2C_CMD_STATUS;
 481         msgs[i+1].addr = intel_sdvo->slave_addr;
 482         msgs[i+1].flags = 0;
 483         msgs[i+1].len = 1;
 484         msgs[i+1].buf = &status;
 485
 486         msgs[i+2].addr = intel_sdvo->slave_addr;
 487         msgs[i+2].flags = I2C_M_RD;
 488         msgs[i+2].len = 1;
 489         msgs[i+2].buf = &status;
 490
 491         ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
 492         if (ret < 0) {
 493                 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
 494                 ret = false;
 495                 goto out;
 496         }
 497         if (ret != i+3) {
 498                 /* failure in I2C transfer */
 499                 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
 500                 ret = false;
 501         }
 502
 503 out:
 504         kfree(msgs);
 505         kfree(buf);
 506         return ret;
 507 }
 508
 509 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
 510                                      void *response, int response_len)
 511 {
 512         u8 retry = 5;
 513         u8 status;
 514         int i;
 515
 516         DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));
 517
 518         /*
 519          * The documentation states that all commands will be
 520          * processed within 15µs, and that we need only poll
 521          * the status byte a maximum of 3 times in order for the
 522          * command to be complete.
 523          *
 524          * Check 5 times in case the hardware failed to read the docs.
 525          */
 526         if (!intel_sdvo_read_byte(intel_sdvo,
 527                                   SDVO_I2C_CMD_STATUS,
 528                                   &status))
 529                 goto log_fail;
 530
 531         while (status == SDVO_CMD_STATUS_PENDING && retry--) {
 532                 udelay(15);
 533                 if (!intel_sdvo_read_byte(intel_sdvo,
 534                                           SDVO_I2C_CMD_STATUS,
 535                                           &status))
 536                         goto log_fail;
 537         }
 538
 539         if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
 540                 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
 541         else
 542                 DRM_LOG_KMS("(??? %d)", status);
 543
 544         if (status != SDVO_CMD_STATUS_SUCCESS)
 545                 goto log_fail;
 546
 547         /* Read the command response */
 548         for (i = 0; i < response_len; i++) {
 549                 if (!intel_sdvo_read_byte(intel_sdvo,
 550                                           SDVO_I2C_RETURN_0 + i,
 551                                           &((u8 *)response)[i]))
 552                         goto log_fail;
 553                 DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
 554         }
 555         DRM_LOG_KMS("\n");
 556         return true;
 557
 558 log_fail:
 559         DRM_LOG_KMS("... failed\n");
 560         return false;
 561 }
 562
 563 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
 564 {
 565         if (mode->clock >= 100000)
 566                 return 1;
 567         else if (mode->clock >= 50000)
 568                 return 2;
 569         else
 570                 return 4;
 571 }
 572
 573 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
 574                                               u8 ddc_bus)
 575 {
 576         /* This must be the immediately preceding write before the i2c xfer */
 577         return intel_sdvo_write_cmd(intel_sdvo,
 578                                     SDVO_CMD_SET_CONTROL_BUS_SWITCH,
 579                                     &ddc_bus, 1);
 580 }
 581
 582 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
 583 {
 584         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
 585                 return false;
 586
 587         return intel_sdvo_read_response(intel_sdvo, NULL, 0);
 588 }
 589
 590 static bool
 591 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
 592 {
 593         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
 594                 return false;
 595
 596         return intel_sdvo_read_response(intel_sdvo, value, len);
 597 }
 598
 599 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
 600 {
 601         struct intel_sdvo_set_target_input_args targets = {0};
 602         return intel_sdvo_set_value(intel_sdvo,
 603                                     SDVO_CMD_SET_TARGET_INPUT,
 604                                     &targets, sizeof(targets));
 605 }
 606
 607 /**
 608  * Return whether each input is trained.
 609  *
 610  * This function is making an assumption about the layout of the response,
 611  * which should be checked against the docs.
 612  */
 613 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
 614 {
 615         struct intel_sdvo_get_trained_inputs_response response;
 616
 617         BUILD_BUG_ON(sizeof(response) != 1);
 618         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
 619                                   &response, sizeof(response)))
 620                 return false;
 621
 622         *input_1 = response.input0_trained;
 623         *input_2 = response.input1_trained;
 624         return true;
 625 }
 626
 627 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
 628                                           u16 outputs)
 629 {
 630         return intel_sdvo_set_value(intel_sdvo,
 631                                     SDVO_CMD_SET_ACTIVE_OUTPUTS,
 632                                     &outputs, sizeof(outputs));
 633 }
 634
 635 static bool intel_sdvo_get_active_outputs(struct intel_sdvo *intel_sdvo,
 636                                           u16 *outputs)
 637 {
 638         return intel_sdvo_get_value(intel_sdvo,
 639                                     SDVO_CMD_GET_ACTIVE_OUTPUTS,
 640                                     outputs, sizeof(*outputs));
 641 }
 642
 643 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
 644                                                int mode)
 645 {
 646         u8 state = SDVO_ENCODER_STATE_ON;
 647
 648         switch (mode) {
 649         case DRM_MODE_DPMS_ON:
 650                 state = SDVO_ENCODER_STATE_ON;
 651                 break;
 652         case DRM_MODE_DPMS_STANDBY:
 653                 state = SDVO_ENCODER_STATE_STANDBY;
 654                 break;
 655         case DRM_MODE_DPMS_SUSPEND:
 656                 state = SDVO_ENCODER_STATE_SUSPEND;
 657                 break;
 658         case DRM_MODE_DPMS_OFF:
 659                 state = SDVO_ENCODER_STATE_OFF;
 660                 break;
 661         }
 662
 663         return intel_sdvo_set_value(intel_sdvo,
 664                                     SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
 665 }
 666
 667 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
 668                                                    int *clock_min,
 669                                                    int *clock_max)
 670 {
 671         struct intel_sdvo_pixel_clock_range clocks;
 672
 673         BUILD_BUG_ON(sizeof(clocks) != 4);
 674         if (!intel_sdvo_get_value(intel_sdvo,
 675                                   SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
 676                                   &clocks, sizeof(clocks)))
 677                 return false;
 678
 679         /* Convert the values from units of 10 kHz to kHz. */
 680         *clock_min = clocks.min * 10;
 681         *clock_max = clocks.max * 10;
 682         return true;
 683 }
 684
 685 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
 686                                          u16 outputs)
 687 {
 688         return intel_sdvo_set_value(intel_sdvo,
 689                                     SDVO_CMD_SET_TARGET_OUTPUT,
 690                                     &outputs, sizeof(outputs));
 691 }
 692
 693 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
 694                                   struct intel_sdvo_dtd *dtd)
 695 {
 696         return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
 697                 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
 698 }
 699
 700 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
 701                                          struct intel_sdvo_dtd *dtd)
 702 {
 703         return intel_sdvo_set_timing(intel_sdvo,
 704                                      SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
 705 }
 706
 707 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
 708                                          struct intel_sdvo_dtd *dtd)
 709 {
 710         return intel_sdvo_set_timing(intel_sdvo,
 711                                      SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
 712 }
 713
 714 static bool
 715 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 716                                          uint16_t clock,
 717                                          uint16_t width,
 718                                          uint16_t height)
 719 {
 720         struct intel_sdvo_preferred_input_timing_args args;
 721
 722         memset(&args, 0, sizeof(args));
 723         args.clock = clock;
 724         args.width = width;
 725         args.height = height;
 726         args.interlace = 0;
 727
 728         if (intel_sdvo->is_lvds &&
 729            (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
 730             intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
 731                 args.scaled = 1;
 732
 733         return intel_sdvo_set_value(intel_sdvo,
 734                                     SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
 735                                     &args, sizeof(args));
 736 }
 737
 738 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 739                                                   struct intel_sdvo_dtd *dtd)
 740 {
 741         BUILD_BUG_ON(sizeof(dtd->part1) != 8);
 742         BUILD_BUG_ON(sizeof(dtd->part2) != 8);
 743         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
 744                                     &dtd->part1, sizeof(dtd->part1)) &&
 745                 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
 746                                      &dtd->part2, sizeof(dtd->part2));
 747 }
 748
 749 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
 750 {
 751         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
 752 }
 753
 754 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
 755                                          const struct drm_display_mode *mode)
 756 {
 757         uint16_t width, height;
 758         uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
 759         uint16_t h_sync_offset, v_sync_offset;
 760         int mode_clock;
 761
 762         width = mode->hdisplay;
 763         height = mode->vdisplay;
 764
 765         /* do some mode translations */
 766         h_blank_len = mode->htotal - mode->hdisplay;
 767         h_sync_len = mode->hsync_end - mode->hsync_start;
 768
 769         v_blank_len = mode->vtotal - mode->vdisplay;
 770         v_sync_len = mode->vsync_end - mode->vsync_start;
 771
 772         h_sync_offset = mode->hsync_start - mode->hdisplay;
 773         v_sync_offset = mode->vsync_start - mode->vdisplay;
 774
 775         mode_clock = mode->clock;
 776         mode_clock /= intel_mode_get_pixel_multiplier(mode) ?: 1;
 777         mode_clock /= 10;
 778         dtd->part1.clock = mode_clock;
 779
 780         dtd->part1.h_active = width & 0xff;
 781         dtd->part1.h_blank = h_blank_len & 0xff;
 782         dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
 783                 ((h_blank_len >> 8) & 0xf);
 784         dtd->part1.v_active = height & 0xff;
 785         dtd->part1.v_blank = v_blank_len & 0xff;
 786         dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
 787                 ((v_blank_len >> 8) & 0xf);
 788
 789         dtd->part2.h_sync_off = h_sync_offset & 0xff;
 790         dtd->part2.h_sync_width = h_sync_len & 0xff;
 791         dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
 792                 (v_sync_len & 0xf);
 793         dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
 794                 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
 795                 ((v_sync_len & 0x30) >> 4);
 796
 797         dtd->part2.dtd_flags = 0x18;
 798         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 799                 dtd->part2.dtd_flags |= DTD_FLAG_INTERLACE;
 800         if (mode->flags & DRM_MODE_FLAG_PHSYNC)
 801                 dtd->part2.dtd_flags |= DTD_FLAG_HSYNC_POSITIVE;
 802         if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 803                 dtd->part2.dtd_flags |= DTD_FLAG_VSYNC_POSITIVE;
 804
 805         dtd->part2.sdvo_flags = 0;
 806         dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
 807         dtd->part2.reserved = 0;
 808 }
 809
 810 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
 811                                          const struct intel_sdvo_dtd *dtd)
 812 {
 813         mode->hdisplay = dtd->part1.h_active;
 814         mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
 815         mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
 816         mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
 817         mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
 818         mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
 819         mode->htotal = mode->hdisplay + dtd->part1.h_blank;
 820         mode->htotal += (dtd->part1.h_high & 0xf) << 8;
 821
 822         mode->vdisplay = dtd->part1.v_active;
 823         mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
 824         mode->vsync_start = mode->vdisplay;
 825         mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
 826         mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
 827         mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
 828         mode->vsync_end = mode->vsync_start +
 829                 (dtd->part2.v_sync_off_width & 0xf);
 830         mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
 831         mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
 832         mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
 833
 834         mode->clock = dtd->part1.clock * 10;
 835
 836         mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
 837         if (dtd->part2.dtd_flags & DTD_FLAG_INTERLACE)
 838                 mode->flags |= DRM_MODE_FLAG_INTERLACE;
 839         if (dtd->part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
 840                 mode->flags |= DRM_MODE_FLAG_PHSYNC;
 841         if (dtd->part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
 842                 mode->flags |= DRM_MODE_FLAG_PVSYNC;
 843 }
 844
 845 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
 846 {
 847         struct intel_sdvo_encode encode;
 848
 849         BUILD_BUG_ON(sizeof(encode) != 2);
 850         return intel_sdvo_get_value(intel_sdvo,
 851                                   SDVO_CMD_GET_SUPP_ENCODE,
 852                                   &encode, sizeof(encode));
 853 }
 854
 855 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
 856                                   uint8_t mode)
 857 {
 858         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
 859 }
 860
 861 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
 862                                        uint8_t mode)
 863 {
 864         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
 865 }
 866
 867 #if 0
 868 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
 869 {
 870         int i, j;
 871         uint8_t set_buf_index[2];
 872         uint8_t av_split;
 873         uint8_t buf_size;
 874         uint8_t buf[48];
 875         uint8_t *pos;
 876
 877         intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
 878
 879         for (i = 0; i <= av_split; i++) {
 880                 set_buf_index[0] = i; set_buf_index[1] = 0;
 881                 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
 882                                      set_buf_index, 2);
 883                 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
 884                 intel_sdvo_read_response(encoder, &buf_size, 1);
 885
 886                 pos = buf;
 887                 for (j = 0; j <= buf_size; j += 8) {
 888                         intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
 889                                              NULL, 0);
 890                         intel_sdvo_read_response(encoder, pos, 8);
 891                         pos += 8;
 892                 }
 893         }
 894 }
 895 #endif
 896
 897 static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo,
 898                                        unsigned if_index, uint8_t tx_rate,
 899                                        uint8_t *data, unsigned length)
 900 {
 901         uint8_t set_buf_index[2] = { if_index, 0 };
 902         uint8_t hbuf_size, tmp[8];
 903         int i;
 904
 905         if (!intel_sdvo_set_value(intel_sdvo,
 906                                   SDVO_CMD_SET_HBUF_INDEX,
 907                                   set_buf_index, 2))
 908                 return false;
 909
 910         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
 911                                   &hbuf_size, 1))
 912                 return false;
 913
 914         /* Buffer size is 0 based, hooray! */
 915         hbuf_size++;
 916
 917         DRM_DEBUG_KMS("writing sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n",
 918                       if_index, length, hbuf_size);
 919
 920         for (i = 0; i < hbuf_size; i += 8) {
 921                 memset(tmp, 0, 8);
 922                 if (i < length)
 923                         memcpy(tmp, data + i, min_t(unsigned, 8, length - i));
 924
 925                 if (!intel_sdvo_set_value(intel_sdvo,
 926                                           SDVO_CMD_SET_HBUF_DATA,
 927                                           tmp, 8))
 928                         return false;
 929         }
 930
 931         return intel_sdvo_set_value(intel_sdvo,
 932                                     SDVO_CMD_SET_HBUF_TXRATE,
 933                                     &tx_rate, 1);
 934 }
 935
 936 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
 937 {
 938         struct dip_infoframe avi_if = {
 939                 .type = DIP_TYPE_AVI,
 940                 .ver = DIP_VERSION_AVI,
 941                 .len = DIP_LEN_AVI,
 942         };
 943         uint8_t sdvo_data[4 + sizeof(avi_if.body.avi)];
 944
 945         intel_dip_infoframe_csum(&avi_if);
 946
 947         /* sdvo spec says that the ecc is handled by the hw, and it looks like
 948          * we must not send the ecc field, either. */
 949         memcpy(sdvo_data, &avi_if, 3);
 950         sdvo_data[3] = avi_if.checksum;
 951         memcpy(&sdvo_data[4], &avi_if.body, sizeof(avi_if.body.avi));
 952
 953         return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
 954                                           SDVO_HBUF_TX_VSYNC,
 955                                           sdvo_data, sizeof(sdvo_data));
 956 }
 957
 958 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
 959 {
 960         struct intel_sdvo_tv_format format;
 961         uint32_t format_map;
 962
 963         format_map = 1 << intel_sdvo->tv_format_index;
 964         memset(&format, 0, sizeof(format));
 965         memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
 966
 967         BUILD_BUG_ON(sizeof(format) != 6);
 968         return intel_sdvo_set_value(intel_sdvo,
 969                                     SDVO_CMD_SET_TV_FORMAT,
 970                                     &format, sizeof(format));
 971 }
 972
 973 static bool
 974 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
 975                                         const struct drm_display_mode *mode)
 976 {
 977         struct intel_sdvo_dtd output_dtd;
 978
 979         if (!intel_sdvo_set_target_output(intel_sdvo,
 980                                           intel_sdvo->attached_output))
 981                 return false;
 982
 983         intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
 984         if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
 985                 return false;
 986
 987         return true;
 988 }
 989
 990 /* Asks the sdvo controller for the preferred input mode given the output mode.
 991  * Unfortunately we have to set up the full output mode to do that. */
 992 static bool
 993 intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo,
 994                                     const struct drm_display_mode *mode,
 995                                     struct drm_display_mode *adjusted_mode)
 996 {
 997         struct intel_sdvo_dtd input_dtd;
 998
 999         /* Reset the input timing to the screen. Assume always input 0. */
1000         if (!intel_sdvo_set_target_input(intel_sdvo))
1001                 return false;
1002
1003         if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
1004                                                       mode->clock / 10,
1005                                                       mode->hdisplay,
1006                                                       mode->vdisplay))
1007                 return false;
1008
1009         if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
1010                                                    &input_dtd))
1011                 return false;
1012
1013         intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
1014         intel_sdvo->dtd_sdvo_flags = input_dtd.part2.sdvo_flags;
1015
1016         return true;
1017 }
1018
1019 static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
1020                                   const struct drm_display_mode *mode,
1021                                   struct drm_display_mode *adjusted_mode)
1022 {
1023         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1024         int multiplier;
1025
1026         /* We need to construct preferred input timings based on our
1027          * output timings.  To do that, we have to set the output
1028          * timings, even though this isn't really the right place in
1029          * the sequence to do it. Oh well.
1030          */
1031         if (intel_sdvo->is_tv) {
1032                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
1033                         return false;
1034
1035                 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1036                                                            mode,
1037                                                            adjusted_mode);
1038         } else if (intel_sdvo->is_lvds) {
1039                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
1040                                                              intel_sdvo->sdvo_lvds_fixed_mode))
1041                         return false;
1042
1043                 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1044                                                            mode,
1045                                                            adjusted_mode);
1046         }
1047
1048         /* Make the CRTC code factor in the SDVO pixel multiplier.  The
1049          * SDVO device will factor out the multiplier during mode_set.
1050          */
1051         multiplier = intel_sdvo_get_pixel_multiplier(adjusted_mode);
1052         intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
1053
1054         return true;
1055 }
1056
1057 static void intel_sdvo_mode_set(struct drm_encoder *encoder,
1058                                 struct drm_display_mode *mode,
1059                                 struct drm_display_mode *adjusted_mode)
1060 {
1061         struct drm_device *dev = encoder->dev;
1062         struct drm_i915_private *dev_priv = dev->dev_private;
1063         struct drm_crtc *crtc = encoder->crtc;
1064         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
1065         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1066         u32 sdvox;
1067         struct intel_sdvo_in_out_map in_out;
1068         struct intel_sdvo_dtd input_dtd, output_dtd;
1069         int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
1070         int rate;
1071
1072         if (!mode)
1073                 return;
1074
1075         /* First, set the input mapping for the first input to our controlled
1076          * output. This is only correct if we're a single-input device, in
1077          * which case the first input is the output from the appropriate SDVO
1078          * channel on the motherboard.  In a two-input device, the first input
1079          * will be SDVOB and the second SDVOC.
1080          */
1081         in_out.in0 = intel_sdvo->attached_output;
1082         in_out.in1 = 0;
1083
1084         intel_sdvo_set_value(intel_sdvo,
1085                              SDVO_CMD_SET_IN_OUT_MAP,
1086                              &in_out, sizeof(in_out));
1087
1088         /* Set the output timings to the screen */
1089         if (!intel_sdvo_set_target_output(intel_sdvo,
1090                                           intel_sdvo->attached_output))
1091                 return;
1092
1093         /* lvds has a special fixed output timing. */
1094         if (intel_sdvo->is_lvds)
1095                 intel_sdvo_get_dtd_from_mode(&output_dtd,
1096                                              intel_sdvo->sdvo_lvds_fixed_mode);
1097         else
1098                 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1099         if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
1100                 DRM_INFO("Setting output timings on %s failed\n",
1101                          SDVO_NAME(intel_sdvo));
1102
1103         /* Set the input timing to the screen. Assume always input 0. */
1104         if (!intel_sdvo_set_target_input(intel_sdvo))
1105                 return;
1106
1107         if (intel_sdvo->has_hdmi_monitor) {
1108                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1109                 intel_sdvo_set_colorimetry(intel_sdvo,
1110                                            SDVO_COLORIMETRY_RGB256);
1111                 intel_sdvo_set_avi_infoframe(intel_sdvo);
1112         } else
1113                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1114
1115         if (intel_sdvo->is_tv &&
1116             !intel_sdvo_set_tv_format(intel_sdvo))
1117                 return;
1118
1119         /* We have tried to get input timing in mode_fixup, and filled into
1120          * adjusted_mode.
1121          */
1122         intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1123         if (intel_sdvo->is_tv || intel_sdvo->is_lvds)
1124                 input_dtd.part2.sdvo_flags = intel_sdvo->dtd_sdvo_flags;
1125         if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd))
1126                 DRM_INFO("Setting input timings on %s failed\n",
1127                          SDVO_NAME(intel_sdvo));
1128
1129         switch (pixel_multiplier) {
1130         default:
1131         case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1132         case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1133         case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1134         }
1135         if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1136                 return;
1137
1138         /* Set the SDVO control regs. */
1139         if (INTEL_INFO(dev)->gen >= 4) {
1140                 /* The real mode polarity is set by the SDVO commands, using
1141                  * struct intel_sdvo_dtd. */
1142                 sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
1143                 if (intel_sdvo->is_hdmi)
1144                         sdvox |= intel_sdvo->color_range;
1145                 if (INTEL_INFO(dev)->gen < 5)
1146                         sdvox |= SDVO_BORDER_ENABLE;
1147         } else {
1148                 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1149                 switch (intel_sdvo->sdvo_reg) {
1150                 case SDVOB:
1151                         sdvox &= SDVOB_PRESERVE_MASK;
1152                         break;
1153                 case SDVOC:
1154                         sdvox &= SDVOC_PRESERVE_MASK;
1155                         break;
1156                 }
1157                 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1158         }
1159
1160         if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
1161                 sdvox |= TRANSCODER_CPT(intel_crtc->pipe);
1162         else
1163                 sdvox |= TRANSCODER(intel_crtc->pipe);
1164
1165         if (intel_sdvo->has_hdmi_audio)
1166                 sdvox |= SDVO_AUDIO_ENABLE;
1167
1168         if (INTEL_INFO(dev)->gen >= 4) {
1169                 /* done in crtc_mode_set as the dpll_md reg must be written early */
1170         } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1171                 /* done in crtc_mode_set as it lives inside the dpll register */
1172         } else {
1173                 sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1174         }
1175
1176         if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1177             INTEL_INFO(dev)->gen < 5)
1178                 sdvox |= SDVO_STALL_SELECT;
1179         intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1180 }
1181
1182 static bool intel_sdvo_connector_get_hw_state(struct intel_connector *connector)
1183 {
1184         struct intel_sdvo_connector *intel_sdvo_connector =
1185                 to_intel_sdvo_connector(&connector->base);
1186         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(&connector->base);
1187         u16 active_outputs;
1188
1189         intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
1190
1191         if (active_outputs & intel_sdvo_connector->output_flag)
1192                 return true;
1193         else
1194                 return false;
1195 }
1196
1197 static bool intel_sdvo_get_hw_state(struct intel_encoder *encoder,
1198                                     enum pipe *pipe)
1199 {
1200         struct drm_device *dev = encoder->base.dev;
1201         struct drm_i915_private *dev_priv = dev->dev_private;
1202         struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1203         u32 tmp;
1204
1205         tmp = I915_READ(intel_sdvo->sdvo_reg);
1206
1207         if (!(tmp & SDVO_ENABLE))
1208                 return false;
1209
1210         if (HAS_PCH_CPT(dev))
1211                 *pipe = PORT_TO_PIPE_CPT(tmp);
1212         else
1213                 *pipe = PORT_TO_PIPE(tmp);
1214
1215         return true;
1216 }
1217
1218 static void intel_disable_sdvo(struct intel_encoder *encoder)
1219 {
1220         struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
1221         struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1222         u32 temp;
1223
1224         intel_sdvo_set_active_outputs(intel_sdvo, 0);
1225         if (0)
1226                 intel_sdvo_set_encoder_power_state(intel_sdvo,
1227                                                    DRM_MODE_DPMS_OFF);
1228
1229         temp = I915_READ(intel_sdvo->sdvo_reg);
1230         if ((temp & SDVO_ENABLE) != 0) {
1231                 /* HW workaround for IBX, we need to move the port to
1232                  * transcoder A before disabling it. */
1233                 if (HAS_PCH_IBX(encoder->base.dev)) {
1234                         struct drm_crtc *crtc = encoder->base.crtc;
1235                         int pipe = crtc ? to_intel_crtc(crtc)->pipe : -1;
1236
1237                         if (temp & SDVO_PIPE_B_SELECT) {
1238                                 temp &= ~SDVO_PIPE_B_SELECT;
1239                                 I915_WRITE(intel_sdvo->sdvo_reg, temp);
1240                                 POSTING_READ(intel_sdvo->sdvo_reg);
1241
1242                                 /* Again we need to write this twice. */
1243                                 I915_WRITE(intel_sdvo->sdvo_reg, temp);
1244                                 POSTING_READ(intel_sdvo->sdvo_reg);
1245
1246                                 /* Transcoder selection bits only update
1247                                  * effectively on vblank. */
1248                                 if (crtc)
1249                                         intel_wait_for_vblank(encoder->base.dev, pipe);
1250                                 else
1251                                         msleep(50);
1252                         }
1253                 }
1254
1255                 intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
1256         }
1257 }
1258
1259 static void intel_enable_sdvo(struct intel_encoder *encoder)
1260 {
1261         struct drm_device *dev = encoder->base.dev;
1262         struct drm_i915_private *dev_priv = dev->dev_private;
1263         struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1264         struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
1265         u32 temp;
1266         bool input1, input2;
1267         int i;
1268         u8 status;
1269
1270         temp = I915_READ(intel_sdvo->sdvo_reg);
1271         if ((temp & SDVO_ENABLE) == 0) {
1272                 /* HW workaround for IBX, we need to move the port
1273                  * to transcoder A before disabling it. */
1274                 if (HAS_PCH_IBX(dev)) {
1275                         struct drm_crtc *crtc = encoder->base.crtc;
1276                         int pipe = crtc ? to_intel_crtc(crtc)->pipe : -1;
1277
1278                         /* Restore the transcoder select bit. */
1279                         if (pipe == PIPE_B)
1280                                 temp |= SDVO_PIPE_B_SELECT;
1281                 }
1282
1283                 intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
1284         }
1285         for (i = 0; i < 2; i++)
1286                 intel_wait_for_vblank(dev, intel_crtc->pipe);
1287
1288         status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1289         /* Warn if the device reported failure to sync.
1290          * A lot of SDVO devices fail to notify of sync, but it's
1291          * a given it the status is a success, we succeeded.
1292          */
1293         if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1294                 DRM_DEBUG_KMS("First %s output reported failure to "
1295                                 "sync\n", SDVO_NAME(intel_sdvo));
1296         }
1297
1298         if (0)
1299                 intel_sdvo_set_encoder_power_state(intel_sdvo,
1300                                                    DRM_MODE_DPMS_ON);
1301         intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1302 }
1303
1304 static void intel_sdvo_dpms(struct drm_connector *connector, int mode)
1305 {
1306         struct drm_crtc *crtc;
1307         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1308
1309         /* dvo supports only 2 dpms states. */
1310         if (mode != DRM_MODE_DPMS_ON)
1311                 mode = DRM_MODE_DPMS_OFF;
1312
1313         if (mode == connector->dpms)
1314                 return;
1315
1316         connector->dpms = mode;
1317
1318         /* Only need to change hw state when actually enabled */
1319         crtc = intel_sdvo->base.base.crtc;
1320         if (!crtc) {
1321                 intel_sdvo->base.connectors_active = false;
1322                 return;
1323         }
1324
1325         if (mode != DRM_MODE_DPMS_ON) {
1326                 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1327                 if (0)
1328                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1329
1330                 intel_sdvo->base.connectors_active = false;
1331
1332                 intel_crtc_update_dpms(crtc);
1333         } else {
1334                 intel_sdvo->base.connectors_active = true;
1335
1336                 intel_crtc_update_dpms(crtc);
1337
1338                 if (0)
1339                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1340                 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1341         }
1342
1343         intel_modeset_check_state(connector->dev);
1344 }
1345
1346 static int intel_sdvo_mode_valid(struct drm_connector *connector,
1347                                  struct drm_display_mode *mode)
1348 {
1349         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1350
1351         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1352                 return MODE_NO_DBLESCAN;
1353
1354         if (intel_sdvo->pixel_clock_min > mode->clock)
1355                 return MODE_CLOCK_LOW;
1356
1357         if (intel_sdvo->pixel_clock_max < mode->clock)
1358                 return MODE_CLOCK_HIGH;
1359
1360         if (intel_sdvo->is_lvds) {
1361                 if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1362                         return MODE_PANEL;
1363
1364                 if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1365                         return MODE_PANEL;
1366         }
1367
1368         return MODE_OK;
1369 }
1370
1371 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1372 {
1373         BUILD_BUG_ON(sizeof(*caps) != 8);
1374         if (!intel_sdvo_get_value(intel_sdvo,
1375                                   SDVO_CMD_GET_DEVICE_CAPS,
1376                                   caps, sizeof(*caps)))
1377                 return false;
1378
1379         DRM_DEBUG_KMS("SDVO capabilities:\n"
1380                       "  vendor_id: %d\n"
1381                       "  device_id: %d\n"
1382                       "  device_rev_id: %d\n"
1383                       "  sdvo_version_major: %d\n"
1384                       "  sdvo_version_minor: %d\n"
1385                       "  sdvo_inputs_mask: %d\n"
1386                       "  smooth_scaling: %d\n"
1387                       "  sharp_scaling: %d\n"
1388                       "  up_scaling: %d\n"
1389                       "  down_scaling: %d\n"
1390                       "  stall_support: %d\n"
1391                       "  output_flags: %d\n",
1392                       caps->vendor_id,
1393                       caps->device_id,
1394                       caps->device_rev_id,
1395                       caps->sdvo_version_major,
1396                       caps->sdvo_version_minor,
1397                       caps->sdvo_inputs_mask,
1398                       caps->smooth_scaling,
1399                       caps->sharp_scaling,
1400                       caps->up_scaling,
1401                       caps->down_scaling,
1402                       caps->stall_support,
1403                       caps->output_flags);
1404
1405         return true;
1406 }
1407
1408 static uint16_t intel_sdvo_get_hotplug_support(struct intel_sdvo *intel_sdvo)
1409 {
1410         struct drm_device *dev = intel_sdvo->base.base.dev;
1411         uint16_t hotplug;
1412
1413         /* HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
1414          * on the line. */
1415         if (IS_I945G(dev) || IS_I945GM(dev))
1416                 return 0;
1417
1418         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1419                                         &hotplug, sizeof(hotplug)))
1420                 return 0;
1421
1422         return hotplug;
1423 }
1424
1425 static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
1426 {
1427         struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1428
1429         intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG,
1430                         &intel_sdvo->hotplug_active, 2);
1431 }
1432
1433 static bool
1434 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1435 {
1436         /* Is there more than one type of output? */
1437         return hweight16(intel_sdvo->caps.output_flags) > 1;
1438 }
1439
1440 static struct edid *
1441 intel_sdvo_get_edid(struct drm_connector *connector)
1442 {
1443         struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
1444         return drm_get_edid(connector, &sdvo->ddc);
1445 }
1446
1447 /* Mac mini hack -- use the same DDC as the analog connector */
1448 static struct edid *
1449 intel_sdvo_get_analog_edid(struct drm_connector *connector)
1450 {
1451         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1452
1453         return drm_get_edid(connector,
1454                             intel_gmbus_get_adapter(dev_priv,
1455                                                     dev_priv->crt_ddc_pin));
1456 }
1457
1458 static enum drm_connector_status
1459 intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
1460 {
1461         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1462         enum drm_connector_status status;
1463         struct edid *edid;
1464
1465         edid = intel_sdvo_get_edid(connector);
1466
1467         if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1468                 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1469
1470                 /*
1471                  * Don't use the 1 as the argument of DDC bus switch to get
1472                  * the EDID. It is used for SDVO SPD ROM.
1473                  */
1474                 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1475                         intel_sdvo->ddc_bus = ddc;
1476                         edid = intel_sdvo_get_edid(connector);
1477                         if (edid)
1478                                 break;
1479                 }
1480                 /*
1481                  * If we found the EDID on the other bus,
1482                  * assume that is the correct DDC bus.
1483                  */
1484                 if (edid == NULL)
1485                         intel_sdvo->ddc_bus = saved_ddc;
1486         }
1487
1488         /*
1489          * When there is no edid and no monitor is connected with VGA
1490          * port, try to use the CRT ddc to read the EDID for DVI-connector.
1491          */
1492         if (edid == NULL)
1493                 edid = intel_sdvo_get_analog_edid(connector);
1494
1495         status = connector_status_unknown;
1496         if (edid != NULL) {
1497                 /* DDC bus is shared, match EDID to connector type */
1498                 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1499                         status = connector_status_connected;
1500                         if (intel_sdvo->is_hdmi) {
1501                                 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1502                                 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1503                         }
1504                 } else
1505                         status = connector_status_disconnected;
1506                 kfree(edid);
1507         }
1508
1509         if (status == connector_status_connected) {
1510                 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1511                 if (intel_sdvo_connector->force_audio != HDMI_AUDIO_AUTO)
1512                         intel_sdvo->has_hdmi_audio = (intel_sdvo_connector->force_audio == HDMI_AUDIO_ON);
1513         }
1514
1515         return status;
1516 }
1517
1518 static bool
1519 intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
1520                                   struct edid *edid)
1521 {
1522         bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1523         bool connector_is_digital = !!IS_DIGITAL(sdvo);
1524
1525         DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
1526                       connector_is_digital, monitor_is_digital);
1527         return connector_is_digital == monitor_is_digital;
1528 }
1529
1530 static enum drm_connector_status
1531 intel_sdvo_detect(struct drm_connector *connector, bool force)
1532 {
1533         uint16_t response;
1534         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1535         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1536         enum drm_connector_status ret;
1537
1538         if (!intel_sdvo_write_cmd(intel_sdvo,
1539                                   SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
1540                 return connector_status_unknown;
1541
1542         /* add 30ms delay when the output type might be TV */
1543         if (intel_sdvo->caps.output_flags & SDVO_TV_MASK)
1544                 msleep(30);
1545
1546         if (!intel_sdvo_read_response(intel_sdvo, &response, 2))
1547                 return connector_status_unknown;
1548
1549         DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1550                       response & 0xff, response >> 8,
1551                       intel_sdvo_connector->output_flag);
1552
1553         if (response == 0)
1554                 return connector_status_disconnected;
1555
1556         intel_sdvo->attached_output = response;
1557
1558         intel_sdvo->has_hdmi_monitor = false;
1559         intel_sdvo->has_hdmi_audio = false;
1560
1561         if ((intel_sdvo_connector->output_flag & response) == 0)
1562                 ret = connector_status_disconnected;
1563         else if (IS_TMDS(intel_sdvo_connector))
1564                 ret = intel_sdvo_tmds_sink_detect(connector);
1565         else {
1566                 struct edid *edid;
1567
1568                 /* if we have an edid check it matches the connection */
1569                 edid = intel_sdvo_get_edid(connector);
1570                 if (edid == NULL)
1571                         edid = intel_sdvo_get_analog_edid(connector);
1572                 if (edid != NULL) {
1573                         if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
1574                                                               edid))
1575                                 ret = connector_status_connected;
1576                         else
1577                                 ret = connector_status_disconnected;
1578
1579                         kfree(edid);
1580                 } else
1581                         ret = connector_status_connected;
1582         }
1583
1584         /* May update encoder flag for like clock for SDVO TV, etc.*/
1585         if (ret == connector_status_connected) {
1586                 intel_sdvo->is_tv = false;
1587                 intel_sdvo->is_lvds = false;
1588                 intel_sdvo->base.needs_tv_clock = false;
1589
1590                 if (response & SDVO_TV_MASK) {
1591                         intel_sdvo->is_tv = true;
1592                         intel_sdvo->base.needs_tv_clock = true;
1593                 }
1594                 if (response & SDVO_LVDS_MASK)
1595                         intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1596         }
1597
1598         return ret;
1599 }
1600
1601 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1602 {
1603         struct edid *edid;
1604
1605         /* set the bus switch and get the modes */
1606         edid = intel_sdvo_get_edid(connector);
1607
1608         /*
1609          * Mac mini hack.  On this device, the DVI-I connector shares one DDC
1610          * link between analog and digital outputs. So, if the regular SDVO
1611          * DDC fails, check to see if the analog output is disconnected, in
1612          * which case we'll look there for the digital DDC data.
1613          */
1614         if (edid == NULL)
1615                 edid = intel_sdvo_get_analog_edid(connector);
1616
1617         if (edid != NULL) {
1618                 if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
1619                                                       edid)) {
1620                         drm_mode_connector_update_edid_property(connector, edid);
1621                         drm_add_edid_modes(connector, edid);
1622                 }
1623
1624                 kfree(edid);
1625         }
1626 }
1627
1628 /*
1629  * Set of SDVO TV modes.
1630  * Note!  This is in reply order (see loop in get_tv_modes).
1631  * XXX: all 60Hz refresh?
1632  */
1633 static const struct drm_display_mode sdvo_tv_modes[] = {
1634         { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1635                    416, 0, 200, 201, 232, 233, 0,
1636                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1637         { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1638                    416, 0, 240, 241, 272, 273, 0,
1639                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1640         { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1641                    496, 0, 300, 301, 332, 333, 0,
1642                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1643         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1644                    736, 0, 350, 351, 382, 383, 0,
1645                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1646         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1647                    736, 0, 400, 401, 432, 433, 0,
1648                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1649         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1650                    736, 0, 480, 481, 512, 513, 0,
1651                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1652         { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1653                    800, 0, 480, 481, 512, 513, 0,
1654                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1655         { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1656                    800, 0, 576, 577, 608, 609, 0,
1657                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1658         { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1659                    816, 0, 350, 351, 382, 383, 0,
1660                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1661         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1662                    816, 0, 400, 401, 432, 433, 0,
1663                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1664         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1665                    816, 0, 480, 481, 512, 513, 0,
1666                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1667         { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1668                    816, 0, 540, 541, 572, 573, 0,
1669                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1670         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1671                    816, 0, 576, 577, 608, 609, 0,
1672                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1673         { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1674                    864, 0, 576, 577, 608, 609, 0,
1675                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1676         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1677                    896, 0, 600, 601, 632, 633, 0,
1678                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1679         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1680                    928, 0, 624, 625, 656, 657, 0,
1681                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1682         { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1683                    1016, 0, 766, 767, 798, 799, 0,
1684                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1685         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1686                    1120, 0, 768, 769, 800, 801, 0,
1687                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1688         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1689                    1376, 0, 1024, 1025, 1056, 1057, 0,
1690                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1691 };
1692
1693 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1694 {
1695         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1696         struct intel_sdvo_sdtv_resolution_request tv_res;
1697         uint32_t reply = 0, format_map = 0;
1698         int i;
1699
1700         /* Read the list of supported input resolutions for the selected TV
1701          * format.
1702          */
1703         format_map = 1 << intel_sdvo->tv_format_index;
1704         memcpy(&tv_res, &format_map,
1705                min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1706
1707         if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1708                 return;
1709
1710         BUILD_BUG_ON(sizeof(tv_res) != 3);
1711         if (!intel_sdvo_write_cmd(intel_sdvo,
1712                                   SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1713                                   &tv_res, sizeof(tv_res)))
1714                 return;
1715         if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1716                 return;
1717
1718         for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1719                 if (reply & (1 << i)) {
1720                         struct drm_display_mode *nmode;
1721                         nmode = drm_mode_duplicate(connector->dev,
1722                                                    &sdvo_tv_modes[i]);
1723                         if (nmode)
1724                                 drm_mode_probed_add(connector, nmode);
1725                 }
1726 }
1727
1728 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1729 {
1730         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1731         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1732         struct drm_display_mode *newmode;
1733
1734         /*
1735          * Attempt to get the mode list from DDC.
1736          * Assume that the preferred modes are
1737          * arranged in priority order.
1738          */
1739         intel_ddc_get_modes(connector, intel_sdvo->i2c);
1740         if (list_empty(&connector->probed_modes) == false)
1741                 goto end;
1742
1743         /* Fetch modes from VBT */
1744         if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1745                 newmode = drm_mode_duplicate(connector->dev,
1746                                              dev_priv->sdvo_lvds_vbt_mode);
1747                 if (newmode != NULL) {
1748                         /* Guarantee the mode is preferred */
1749                         newmode->type = (DRM_MODE_TYPE_PREFERRED |
1750                                          DRM_MODE_TYPE_DRIVER);
1751                         drm_mode_probed_add(connector, newmode);
1752                 }
1753         }
1754
1755 end:
1756         list_for_each_entry(newmode, &connector->probed_modes, head) {
1757                 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1758                         intel_sdvo->sdvo_lvds_fixed_mode =
1759                                 drm_mode_duplicate(connector->dev, newmode);
1760
1761                         intel_sdvo->is_lvds = true;
1762                         break;
1763                 }
1764         }
1765
1766 }
1767
1768 static int intel_sdvo_get_modes(struct drm_connector *connector)
1769 {
1770         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1771
1772         if (IS_TV(intel_sdvo_connector))
1773                 intel_sdvo_get_tv_modes(connector);
1774         else if (IS_LVDS(intel_sdvo_connector))
1775                 intel_sdvo_get_lvds_modes(connector);
1776         else
1777                 intel_sdvo_get_ddc_modes(connector);
1778
1779         return !list_empty(&connector->probed_modes);
1780 }
1781
1782 static void
1783 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1784 {
1785         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1786         struct drm_device *dev = connector->dev;
1787
1788         if (intel_sdvo_connector->left)
1789                 drm_property_destroy(dev, intel_sdvo_connector->left);
1790         if (intel_sdvo_connector->right)
1791                 drm_property_destroy(dev, intel_sdvo_connector->right);
1792         if (intel_sdvo_connector->top)
1793                 drm_property_destroy(dev, intel_sdvo_connector->top);
1794         if (intel_sdvo_connector->bottom)
1795                 drm_property_destroy(dev, intel_sdvo_connector->bottom);
1796         if (intel_sdvo_connector->hpos)
1797                 drm_property_destroy(dev, intel_sdvo_connector->hpos);
1798         if (intel_sdvo_connector->vpos)
1799                 drm_property_destroy(dev, intel_sdvo_connector->vpos);
1800         if (intel_sdvo_connector->saturation)
1801                 drm_property_destroy(dev, intel_sdvo_connector->saturation);
1802         if (intel_sdvo_connector->contrast)
1803                 drm_property_destroy(dev, intel_sdvo_connector->contrast);
1804         if (intel_sdvo_connector->hue)
1805                 drm_property_destroy(dev, intel_sdvo_connector->hue);
1806         if (intel_sdvo_connector->sharpness)
1807                 drm_property_destroy(dev, intel_sdvo_connector->sharpness);
1808         if (intel_sdvo_connector->flicker_filter)
1809                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
1810         if (intel_sdvo_connector->flicker_filter_2d)
1811                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
1812         if (intel_sdvo_connector->flicker_filter_adaptive)
1813                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
1814         if (intel_sdvo_connector->tv_luma_filter)
1815                 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
1816         if (intel_sdvo_connector->tv_chroma_filter)
1817                 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
1818         if (intel_sdvo_connector->dot_crawl)
1819                 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
1820         if (intel_sdvo_connector->brightness)
1821                 drm_property_destroy(dev, intel_sdvo_connector->brightness);
1822 }
1823
1824 static void intel_sdvo_destroy(struct drm_connector *connector)
1825 {
1826         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1827
1828         if (intel_sdvo_connector->tv_format)
1829                 drm_property_destroy(connector->dev,
1830                                      intel_sdvo_connector->tv_format);
1831
1832         intel_sdvo_destroy_enhance_property(connector);
1833         drm_sysfs_connector_remove(connector);
1834         drm_connector_cleanup(connector);
1835         kfree(intel_sdvo_connector);
1836 }
1837
1838 static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
1839 {
1840         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1841         struct edid *edid;
1842         bool has_audio = false;
1843
1844         if (!intel_sdvo->is_hdmi)
1845                 return false;
1846
1847         edid = intel_sdvo_get_edid(connector);
1848         if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
1849                 has_audio = drm_detect_monitor_audio(edid);
1850         kfree(edid);
1851
1852         return has_audio;
1853 }
1854
1855 static int
1856 intel_sdvo_set_property(struct drm_connector *connector,
1857                         struct drm_property *property,
1858                         uint64_t val)
1859 {
1860         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1861         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1862         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1863         uint16_t temp_value;
1864         uint8_t cmd;
1865         int ret;
1866
1867         ret = drm_object_property_set_value(&connector->base, property, val);
1868         if (ret)
1869                 return ret;
1870
1871         if (property == dev_priv->force_audio_property) {
1872                 int i = val;
1873                 bool has_audio;
1874
1875                 if (i == intel_sdvo_connector->force_audio)
1876                         return 0;
1877
1878                 intel_sdvo_connector->force_audio = i;
1879
1880                 if (i == HDMI_AUDIO_AUTO)
1881                         has_audio = intel_sdvo_detect_hdmi_audio(connector);
1882                 else
1883                         has_audio = (i == HDMI_AUDIO_ON);
1884
1885                 if (has_audio == intel_sdvo->has_hdmi_audio)
1886                         return 0;
1887
1888                 intel_sdvo->has_hdmi_audio = has_audio;
1889                 goto done;
1890         }
1891
1892         if (property == dev_priv->broadcast_rgb_property) {
1893                 if (val == !!intel_sdvo->color_range)
1894                         return 0;
1895
1896                 intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
1897                 goto done;
1898         }
1899
1900 #define CHECK_PROPERTY(name, NAME) \
1901         if (intel_sdvo_connector->name == property) { \
1902                 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
1903                 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1904                 cmd = SDVO_CMD_SET_##NAME; \
1905                 intel_sdvo_connector->cur_##name = temp_value; \
1906                 goto set_value; \
1907         }
1908
1909         if (property == intel_sdvo_connector->tv_format) {
1910                 if (val >= TV_FORMAT_NUM)
1911                         return -EINVAL;
1912
1913                 if (intel_sdvo->tv_format_index ==
1914                     intel_sdvo_connector->tv_format_supported[val])
1915                         return 0;
1916
1917                 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
1918                 goto done;
1919         } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
1920                 temp_value = val;
1921                 if (intel_sdvo_connector->left == property) {
1922                         drm_object_property_set_value(&connector->base,
1923                                                          intel_sdvo_connector->right, val);
1924                         if (intel_sdvo_connector->left_margin == temp_value)
1925                                 return 0;
1926
1927                         intel_sdvo_connector->left_margin = temp_value;
1928                         intel_sdvo_connector->right_margin = temp_value;
1929                         temp_value = intel_sdvo_connector->max_hscan -
1930                                 intel_sdvo_connector->left_margin;
1931                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1932                         goto set_value;
1933                 } else if (intel_sdvo_connector->right == property) {
1934                         drm_object_property_set_value(&connector->base,
1935                                                          intel_sdvo_connector->left, val);
1936                         if (intel_sdvo_connector->right_margin == temp_value)
1937                                 return 0;
1938
1939                         intel_sdvo_connector->left_margin = temp_value;
1940                         intel_sdvo_connector->right_margin = temp_value;
1941                         temp_value = intel_sdvo_connector->max_hscan -
1942                                 intel_sdvo_connector->left_margin;
1943                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1944                         goto set_value;
1945                 } else if (intel_sdvo_connector->top == property) {
1946                         drm_object_property_set_value(&connector->base,
1947                                                          intel_sdvo_connector->bottom, val);
1948                         if (intel_sdvo_connector->top_margin == temp_value)
1949                                 return 0;
1950
1951                         intel_sdvo_connector->top_margin = temp_value;
1952                         intel_sdvo_connector->bottom_margin = temp_value;
1953                         temp_value = intel_sdvo_connector->max_vscan -
1954                                 intel_sdvo_connector->top_margin;
1955                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1956                         goto set_value;
1957                 } else if (intel_sdvo_connector->bottom == property) {
1958                         drm_object_property_set_value(&connector->base,
1959                                                          intel_sdvo_connector->top, val);
1960                         if (intel_sdvo_connector->bottom_margin == temp_value)
1961                                 return 0;
1962
1963                         intel_sdvo_connector->top_margin = temp_value;
1964                         intel_sdvo_connector->bottom_margin = temp_value;
1965                         temp_value = intel_sdvo_connector->max_vscan -
1966                                 intel_sdvo_connector->top_margin;
1967                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1968                         goto set_value;
1969                 }
1970                 CHECK_PROPERTY(hpos, HPOS)
1971                 CHECK_PROPERTY(vpos, VPOS)
1972                 CHECK_PROPERTY(saturation, SATURATION)
1973                 CHECK_PROPERTY(contrast, CONTRAST)
1974                 CHECK_PROPERTY(hue, HUE)
1975                 CHECK_PROPERTY(brightness, BRIGHTNESS)
1976                 CHECK_PROPERTY(sharpness, SHARPNESS)
1977                 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1978                 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1979                 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1980                 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1981                 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1982                 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1983         }
1984
1985         return -EINVAL; /* unknown property */
1986
1987 set_value:
1988         if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
1989                 return -EIO;
1990
1991
1992 done:
1993         if (intel_sdvo->base.base.crtc) {
1994                 struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
1995                 intel_set_mode(crtc, &crtc->mode,
1996                                crtc->x, crtc->y, crtc->fb);
1997         }
1998
1999         return 0;
2000 #undef CHECK_PROPERTY
2001 }
2002
2003 static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
2004         .mode_fixup = intel_sdvo_mode_fixup,
2005         .mode_set = intel_sdvo_mode_set,
2006         .disable = intel_encoder_noop,
2007 };
2008
2009 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
2010         .dpms = intel_sdvo_dpms,
2011         .detect = intel_sdvo_detect,
2012         .fill_modes = drm_helper_probe_single_connector_modes,
2013         .set_property = intel_sdvo_set_property,
2014         .destroy = intel_sdvo_destroy,
2015 };
2016
2017 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
2018         .get_modes = intel_sdvo_get_modes,
2019         .mode_valid = intel_sdvo_mode_valid,
2020         .best_encoder = intel_best_encoder,
2021 };
2022
2023 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
2024 {
2025         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
2026
2027         if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
2028                 drm_mode_destroy(encoder->dev,
2029                                  intel_sdvo->sdvo_lvds_fixed_mode);
2030
2031         i2c_del_adapter(&intel_sdvo->ddc);
2032         intel_encoder_destroy(encoder);
2033 }
2034
2035 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
2036         .destroy = intel_sdvo_enc_destroy,
2037 };
2038
2039 static void
2040 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
2041 {
2042         uint16_t mask = 0;
2043         unsigned int num_bits;
2044
2045         /* Make a mask of outputs less than or equal to our own priority in the
2046          * list.
2047          */
2048         switch (sdvo->controlled_output) {
2049         case SDVO_OUTPUT_LVDS1:
2050                 mask |= SDVO_OUTPUT_LVDS1;
2051         case SDVO_OUTPUT_LVDS0:
2052                 mask |= SDVO_OUTPUT_LVDS0;
2053         case SDVO_OUTPUT_TMDS1:
2054                 mask |= SDVO_OUTPUT_TMDS1;
2055         case SDVO_OUTPUT_TMDS0:
2056                 mask |= SDVO_OUTPUT_TMDS0;
2057         case SDVO_OUTPUT_RGB1:
2058                 mask |= SDVO_OUTPUT_RGB1;
2059         case SDVO_OUTPUT_RGB0:
2060                 mask |= SDVO_OUTPUT_RGB0;
2061                 break;
2062         }
2063
2064         /* Count bits to find what number we are in the priority list. */
2065         mask &= sdvo->caps.output_flags;
2066         num_bits = hweight16(mask);
2067         /* If more than 3 outputs, default to DDC bus 3 for now. */
2068         if (num_bits > 3)
2069                 num_bits = 3;
2070
2071         /* Corresponds to SDVO_CONTROL_BUS_DDCx */
2072         sdvo->ddc_bus = 1 << num_bits;
2073 }
2074
2075 /**
2076  * Choose the appropriate DDC bus for control bus switch command for this
2077  * SDVO output based on the controlled output.
2078  *
2079  * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
2080  * outputs, then LVDS outputs.
2081  */
2082 static void
2083 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
2084                           struct intel_sdvo *sdvo, u32 reg)
2085 {
2086         struct sdvo_device_mapping *mapping;
2087
2088         if (sdvo->is_sdvob)
2089                 mapping = &(dev_priv->sdvo_mappings[0]);
2090         else
2091                 mapping = &(dev_priv->sdvo_mappings[1]);
2092
2093         if (mapping->initialized)
2094                 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
2095         else
2096                 intel_sdvo_guess_ddc_bus(sdvo);
2097 }
2098
2099 static void
2100 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
2101                           struct intel_sdvo *sdvo, u32 reg)
2102 {
2103         struct sdvo_device_mapping *mapping;
2104         u8 pin;
2105
2106         if (sdvo->is_sdvob)
2107                 mapping = &dev_priv->sdvo_mappings[0];
2108         else
2109                 mapping = &dev_priv->sdvo_mappings[1];
2110
2111         if (mapping->initialized && intel_gmbus_is_port_valid(mapping->i2c_pin))
2112                 pin = mapping->i2c_pin;
2113         else
2114                 pin = GMBUS_PORT_DPB;
2115
2116         sdvo->i2c = intel_gmbus_get_adapter(dev_priv, pin);
2117
2118         /* With gmbus we should be able to drive sdvo i2c at 2MHz, but somehow
2119          * our code totally fails once we start using gmbus. Hence fall back to
2120          * bit banging for now. */
2121         intel_gmbus_force_bit(sdvo->i2c, true);
2122 }
2123
2124 /* undo any changes intel_sdvo_select_i2c_bus() did to sdvo->i2c */
2125 static void
2126 intel_sdvo_unselect_i2c_bus(struct intel_sdvo *sdvo)
2127 {
2128         intel_gmbus_force_bit(sdvo->i2c, false);
2129 }
2130
2131 static bool
2132 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
2133 {
2134         return intel_sdvo_check_supp_encode(intel_sdvo);
2135 }
2136
2137 static u8
2138 intel_sdvo_get_slave_addr(struct drm_device *dev, struct intel_sdvo *sdvo)
2139 {
2140         struct drm_i915_private *dev_priv = dev->dev_private;
2141         struct sdvo_device_mapping *my_mapping, *other_mapping;
2142
2143         if (sdvo->is_sdvob) {
2144                 my_mapping = &dev_priv->sdvo_mappings[0];
2145                 other_mapping = &dev_priv->sdvo_mappings[1];
2146         } else {
2147                 my_mapping = &dev_priv->sdvo_mappings[1];
2148                 other_mapping = &dev_priv->sdvo_mappings[0];
2149         }
2150
2151         /* If the BIOS described our SDVO device, take advantage of it. */
2152         if (my_mapping->slave_addr)
2153                 return my_mapping->slave_addr;
2154
2155         /* If the BIOS only described a different SDVO device, use the
2156          * address that it isn't using.
2157          */
2158         if (other_mapping->slave_addr) {
2159                 if (other_mapping->slave_addr == 0x70)
2160                         return 0x72;
2161                 else
2162                         return 0x70;
2163         }
2164
2165         /* No SDVO device info is found for another DVO port,
2166          * so use mapping assumption we had before BIOS parsing.
2167          */
2168         if (sdvo->is_sdvob)
2169                 return 0x70;
2170         else
2171                 return 0x72;
2172 }
2173
2174 static void
2175 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2176                           struct intel_sdvo *encoder)
2177 {
2178         drm_connector_init(encoder->base.base.dev,
2179                            &connector->base.base,
2180                            &intel_sdvo_connector_funcs,
2181                            connector->base.base.connector_type);
2182
2183         drm_connector_helper_add(&connector->base.base,
2184                                  &intel_sdvo_connector_helper_funcs);
2185
2186         connector->base.base.interlace_allowed = 1;
2187         connector->base.base.doublescan_allowed = 0;
2188         connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2189         connector->base.get_hw_state = intel_sdvo_connector_get_hw_state;
2190
2191         intel_connector_attach_encoder(&connector->base, &encoder->base);
2192         drm_sysfs_connector_add(&connector->base.base);
2193 }
2194
2195 static void
2196 intel_sdvo_add_hdmi_properties(struct intel_sdvo_connector *connector)
2197 {
2198         struct drm_device *dev = connector->base.base.dev;
2199
2200         intel_attach_force_audio_property(&connector->base.base);
2201         if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev))
2202                 intel_attach_broadcast_rgb_property(&connector->base.base);
2203 }
2204
2205 static bool
2206 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2207 {
2208         struct drm_encoder *encoder = &intel_sdvo->base.base;
2209         struct drm_connector *connector;
2210         struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
2211         struct intel_connector *intel_connector;
2212         struct intel_sdvo_connector *intel_sdvo_connector;
2213
2214         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2215         if (!intel_sdvo_connector)
2216                 return false;
2217
2218         if (device == 0) {
2219                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2220                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2221         } else if (device == 1) {
2222                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2223                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2224         }
2225
2226         intel_connector = &intel_sdvo_connector->base;
2227         connector = &intel_connector->base;
2228         if (intel_sdvo_get_hotplug_support(intel_sdvo) &
2229                 intel_sdvo_connector->output_flag) {
2230                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2231                 intel_sdvo->hotplug_active |= intel_sdvo_connector->output_flag;
2232                 /* Some SDVO devices have one-shot hotplug interrupts.
2233                  * Ensure that they get re-enabled when an interrupt happens.
2234                  */
2235                 intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
2236                 intel_sdvo_enable_hotplug(intel_encoder);
2237         } else {
2238                 connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2239         }
2240         encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2241         connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2242
2243         if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2244                 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2245                 intel_sdvo->is_hdmi = true;
2246         }
2247         intel_sdvo->base.cloneable = true;
2248
2249         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2250         if (intel_sdvo->is_hdmi)
2251                 intel_sdvo_add_hdmi_properties(intel_sdvo_connector);
2252
2253         return true;
2254 }
2255
2256 static bool
2257 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2258 {
2259         struct drm_encoder *encoder = &intel_sdvo->base.base;
2260         struct drm_connector *connector;
2261         struct intel_connector *intel_connector;
2262         struct intel_sdvo_connector *intel_sdvo_connector;
2263
2264         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2265         if (!intel_sdvo_connector)
2266                 return false;
2267
2268         intel_connector = &intel_sdvo_connector->base;
2269         connector = &intel_connector->base;
2270         encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2271         connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2272
2273         intel_sdvo->controlled_output |= type;
2274         intel_sdvo_connector->output_flag = type;
2275
2276         intel_sdvo->is_tv = true;
2277         intel_sdvo->base.needs_tv_clock = true;
2278         intel_sdvo->base.cloneable = false;
2279
2280         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2281
2282         if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2283                 goto err;
2284
2285         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2286                 goto err;
2287
2288         return true;
2289
2290 err:
2291         intel_sdvo_destroy(connector);
2292         return false;
2293 }
2294
2295 static bool
2296 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2297 {
2298         struct drm_encoder *encoder = &intel_sdvo->base.base;
2299         struct drm_connector *connector;
2300         struct intel_connector *intel_connector;
2301         struct intel_sdvo_connector *intel_sdvo_connector;
2302
2303         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2304         if (!intel_sdvo_connector)
2305                 return false;
2306
2307         intel_connector = &intel_sdvo_connector->base;
2308         connector = &intel_connector->base;
2309         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2310         encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2311         connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2312
2313         if (device == 0) {
2314                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2315                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2316         } else if (device == 1) {
2317                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2318                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2319         }
2320
2321         intel_sdvo->base.cloneable = true;
2322
2323         intel_sdvo_connector_init(intel_sdvo_connector,
2324                                   intel_sdvo);
2325         return true;
2326 }
2327
2328 static bool
2329 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2330 {
2331         struct drm_encoder *encoder = &intel_sdvo->base.base;
2332         struct drm_connector *connector;
2333         struct intel_connector *intel_connector;
2334         struct intel_sdvo_connector *intel_sdvo_connector;
2335
2336         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2337         if (!intel_sdvo_connector)
2338                 return false;
2339
2340         intel_connector = &intel_sdvo_connector->base;
2341         connector = &intel_connector->base;
2342         encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2343         connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2344
2345         if (device == 0) {
2346                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2347                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2348         } else if (device == 1) {
2349                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2350                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2351         }
2352
2353         /* SDVO LVDS is not cloneable because the input mode gets adjusted by the encoder */
2354         intel_sdvo->base.cloneable = false;
2355
2356         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2357         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2358                 goto err;
2359
2360         return true;
2361
2362 err:
2363         intel_sdvo_destroy(connector);
2364         return false;
2365 }
2366
2367 static bool
2368 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2369 {
2370         intel_sdvo->is_tv = false;
2371         intel_sdvo->base.needs_tv_clock = false;
2372         intel_sdvo->is_lvds = false;
2373
2374         /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2375
2376         if (flags & SDVO_OUTPUT_TMDS0)
2377                 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2378                         return false;
2379
2380         if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2381                 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2382                         return false;
2383
2384         /* TV has no XXX1 function block */
2385         if (flags & SDVO_OUTPUT_SVID0)
2386                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2387                         return false;
2388
2389         if (flags & SDVO_OUTPUT_CVBS0)
2390                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2391                         return false;
2392
2393         if (flags & SDVO_OUTPUT_YPRPB0)
2394                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_YPRPB0))
2395                         return false;
2396
2397         if (flags & SDVO_OUTPUT_RGB0)
2398                 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2399                         return false;
2400
2401         if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2402                 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2403                         return false;
2404
2405         if (flags & SDVO_OUTPUT_LVDS0)
2406                 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2407                         return false;
2408
2409         if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2410                 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2411                         return false;
2412
2413         if ((flags & SDVO_OUTPUT_MASK) == 0) {
2414                 unsigned char bytes[2];
2415
2416                 intel_sdvo->controlled_output = 0;
2417                 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2418                 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2419                               SDVO_NAME(intel_sdvo),
2420                               bytes[0], bytes[1]);
2421                 return false;
2422         }
2423         intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
2424
2425         return true;
2426 }
2427
2428 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2429                                           struct intel_sdvo_connector *intel_sdvo_connector,
2430                                           int type)
2431 {
2432         struct drm_device *dev = intel_sdvo->base.base.dev;
2433         struct intel_sdvo_tv_format format;
2434         uint32_t format_map, i;
2435
2436         if (!intel_sdvo_set_target_output(intel_sdvo, type))
2437                 return false;
2438
2439         BUILD_BUG_ON(sizeof(format) != 6);
2440         if (!intel_sdvo_get_value(intel_sdvo,
2441                                   SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2442                                   &format, sizeof(format)))
2443                 return false;
2444
2445         memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2446
2447         if (format_map == 0)
2448                 return false;
2449
2450         intel_sdvo_connector->format_supported_num = 0;
2451         for (i = 0 ; i < TV_FORMAT_NUM; i++)
2452                 if (format_map & (1 << i))
2453                         intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2454
2455
2456         intel_sdvo_connector->tv_format =
2457                         drm_property_create(dev, DRM_MODE_PROP_ENUM,
2458                                             "mode", intel_sdvo_connector->format_supported_num);
2459         if (!intel_sdvo_connector->tv_format)
2460                 return false;
2461
2462         for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2463                 drm_property_add_enum(
2464                                 intel_sdvo_connector->tv_format, i,
2465                                 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2466
2467         intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2468         drm_object_attach_property(&intel_sdvo_connector->base.base.base,
2469                                       intel_sdvo_connector->tv_format, 0);
2470         return true;
2471
2472 }
2473
2474 #define ENHANCEMENT(name, NAME) do { \
2475         if (enhancements.name) { \
2476                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2477                     !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2478                         return false; \
2479                 intel_sdvo_connector->max_##name = data_value[0]; \
2480                 intel_sdvo_connector->cur_##name = response; \
2481                 intel_sdvo_connector->name = \
2482                         drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2483                 if (!intel_sdvo_connector->name) return false; \
2484                 drm_object_attach_property(&connector->base, \
2485                                               intel_sdvo_connector->name, \
2486                                               intel_sdvo_connector->cur_##name); \
2487                 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2488                               data_value[0], data_value[1], response); \
2489         } \
2490 } while (0)
2491
2492 static bool
2493 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2494                                       struct intel_sdvo_connector *intel_sdvo_connector,
2495                                       struct intel_sdvo_enhancements_reply enhancements)
2496 {
2497         struct drm_device *dev = intel_sdvo->base.base.dev;
2498         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2499         uint16_t response, data_value[2];
2500
2501         /* when horizontal overscan is supported, Add the left/right  property */
2502         if (enhancements.overscan_h) {
2503                 if (!intel_sdvo_get_value(intel_sdvo,
2504                                           SDVO_CMD_GET_MAX_OVERSCAN_H,
2505                                           &data_value, 4))
2506                         return false;
2507
2508                 if (!intel_sdvo_get_value(intel_sdvo,
2509                                           SDVO_CMD_GET_OVERSCAN_H,
2510                                           &response, 2))
2511                         return false;
2512
2513                 intel_sdvo_connector->max_hscan = data_value[0];
2514                 intel_sdvo_connector->left_margin = data_value[0] - response;
2515                 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2516                 intel_sdvo_connector->left =
2517                         drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
2518                 if (!intel_sdvo_connector->left)
2519                         return false;
2520
2521                 drm_object_attach_property(&connector->base,
2522                                               intel_sdvo_connector->left,
2523                                               intel_sdvo_connector->left_margin);
2524
2525                 intel_sdvo_connector->right =
2526                         drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
2527                 if (!intel_sdvo_connector->right)
2528                         return false;
2529
2530                 drm_object_attach_property(&connector->base,
2531                                               intel_sdvo_connector->right,
2532                                               intel_sdvo_connector->right_margin);
2533                 DRM_DEBUG_KMS("h_overscan: max %d, "
2534                               "default %d, current %d\n",
2535                               data_value[0], data_value[1], response);
2536         }
2537
2538         if (enhancements.overscan_v) {
2539                 if (!intel_sdvo_get_value(intel_sdvo,
2540                                           SDVO_CMD_GET_MAX_OVERSCAN_V,
2541                                           &data_value, 4))
2542                         return false;
2543
2544                 if (!intel_sdvo_get_value(intel_sdvo,
2545                                           SDVO_CMD_GET_OVERSCAN_V,
2546                                           &response, 2))
2547                         return false;
2548
2549                 intel_sdvo_connector->max_vscan = data_value[0];
2550                 intel_sdvo_connector->top_margin = data_value[0] - response;
2551                 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2552                 intel_sdvo_connector->top =
2553                         drm_property_create_range(dev, 0,
2554                                             "top_margin", 0, data_value[0]);
2555                 if (!intel_sdvo_connector->top)
2556                         return false;
2557
2558                 drm_object_attach_property(&connector->base,
2559                                               intel_sdvo_connector->top,
2560                                               intel_sdvo_connector->top_margin);
2561
2562                 intel_sdvo_connector->bottom =
2563                         drm_property_create_range(dev, 0,
2564                                             "bottom_margin", 0, data_value[0]);
2565                 if (!intel_sdvo_connector->bottom)
2566                         return false;
2567
2568                 drm_object_attach_property(&connector->base,
2569                                               intel_sdvo_connector->bottom,
2570                                               intel_sdvo_connector->bottom_margin);
2571                 DRM_DEBUG_KMS("v_overscan: max %d, "
2572                               "default %d, current %d\n",
2573                               data_value[0], data_value[1], response);
2574         }
2575
2576         ENHANCEMENT(hpos, HPOS);
2577         ENHANCEMENT(vpos, VPOS);
2578         ENHANCEMENT(saturation, SATURATION);
2579         ENHANCEMENT(contrast, CONTRAST);
2580         ENHANCEMENT(hue, HUE);
2581         ENHANCEMENT(sharpness, SHARPNESS);
2582         ENHANCEMENT(brightness, BRIGHTNESS);
2583         ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2584         ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2585         ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2586         ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2587         ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2588
2589         if (enhancements.dot_crawl) {
2590                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2591                         return false;
2592
2593                 intel_sdvo_connector->max_dot_crawl = 1;
2594                 intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2595                 intel_sdvo_connector->dot_crawl =
2596                         drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
2597                 if (!intel_sdvo_connector->dot_crawl)
2598                         return false;
2599
2600                 drm_object_attach_property(&connector->base,
2601                                               intel_sdvo_connector->dot_crawl,
2602                                               intel_sdvo_connector->cur_dot_crawl);
2603                 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2604         }
2605
2606         return true;
2607 }
2608
2609 static bool
2610 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2611                                         struct intel_sdvo_connector *intel_sdvo_connector,
2612                                         struct intel_sdvo_enhancements_reply enhancements)
2613 {
2614         struct drm_device *dev = intel_sdvo->base.base.dev;
2615         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2616         uint16_t response, data_value[2];
2617
2618         ENHANCEMENT(brightness, BRIGHTNESS);
2619
2620         return true;
2621 }
2622 #undef ENHANCEMENT
2623
2624 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2625                                                struct intel_sdvo_connector *intel_sdvo_connector)
2626 {
2627         union {
2628                 struct intel_sdvo_enhancements_reply reply;
2629                 uint16_t response;
2630         } enhancements;
2631
2632         BUILD_BUG_ON(sizeof(enhancements) != 2);
2633
2634         enhancements.response = 0;
2635         intel_sdvo_get_value(intel_sdvo,
2636                              SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2637                              &enhancements, sizeof(enhancements));
2638         if (enhancements.response == 0) {
2639                 DRM_DEBUG_KMS("No enhancement is supported\n");
2640                 return true;
2641         }
2642
2643         if (IS_TV(intel_sdvo_connector))
2644                 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2645         else if (IS_LVDS(intel_sdvo_connector))
2646                 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2647         else
2648                 return true;
2649 }
2650
2651 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2652                                      struct i2c_msg *msgs,
2653                                      int num)
2654 {
2655         struct intel_sdvo *sdvo = adapter->algo_data;
2656
2657         if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2658                 return -EIO;
2659
2660         return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2661 }
2662
2663 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2664 {
2665         struct intel_sdvo *sdvo = adapter->algo_data;
2666         return sdvo->i2c->algo->functionality(sdvo->i2c);
2667 }
2668
2669 static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
2670         .master_xfer    = intel_sdvo_ddc_proxy_xfer,
2671         .functionality  = intel_sdvo_ddc_proxy_func
2672 };
2673
2674 static bool
2675 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
2676                           struct drm_device *dev)
2677 {
2678         sdvo->ddc.owner = THIS_MODULE;
2679         sdvo->ddc.class = I2C_CLASS_DDC;
2680         snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2681         sdvo->ddc.dev.parent = &dev->pdev->dev;
2682         sdvo->ddc.algo_data = sdvo;
2683         sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
2684
2685         return i2c_add_adapter(&sdvo->ddc) == 0;
2686 }
2687
2688 bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
2689 {
2690         struct drm_i915_private *dev_priv = dev->dev_private;
2691         struct intel_encoder *intel_encoder;
2692         struct intel_sdvo *intel_sdvo;
2693         u32 hotplug_mask;
2694         int i;
2695
2696         intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);
2697         if (!intel_sdvo)
2698                 return false;
2699
2700         intel_sdvo->sdvo_reg = sdvo_reg;
2701         intel_sdvo->is_sdvob = is_sdvob;
2702         intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, intel_sdvo) >> 1;
2703         intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
2704         if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev))
2705                 goto err_i2c_bus;
2706
2707         /* encoder type will be decided later */
2708         intel_encoder = &intel_sdvo->base;
2709         intel_encoder->type = INTEL_OUTPUT_SDVO;
2710         drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
2711
2712         /* Read the regs to test if we can talk to the device */
2713         for (i = 0; i < 0x40; i++) {
2714                 u8 byte;
2715
2716                 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
2717                         DRM_DEBUG_KMS("No SDVO device found on %s\n",
2718                                       SDVO_NAME(intel_sdvo));
2719                         goto err;
2720                 }
2721         }
2722
2723         hotplug_mask = 0;
2724         if (IS_G4X(dev)) {
2725                 hotplug_mask = intel_sdvo->is_sdvob ?
2726                         SDVOB_HOTPLUG_INT_STATUS_G4X : SDVOC_HOTPLUG_INT_STATUS_G4X;
2727         } else if (IS_GEN4(dev)) {
2728                 hotplug_mask = intel_sdvo->is_sdvob ?
2729                         SDVOB_HOTPLUG_INT_STATUS_I965 : SDVOC_HOTPLUG_INT_STATUS_I965;
2730         } else {
2731                 hotplug_mask = intel_sdvo->is_sdvob ?
2732                         SDVOB_HOTPLUG_INT_STATUS_I915 : SDVOC_HOTPLUG_INT_STATUS_I915;
2733         }
2734
2735         drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
2736
2737         intel_encoder->disable = intel_disable_sdvo;
2738         intel_encoder->enable = intel_enable_sdvo;
2739         intel_encoder->get_hw_state = intel_sdvo_get_hw_state;
2740
2741         /* In default case sdvo lvds is false */
2742         if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
2743                 goto err;
2744
2745         if (intel_sdvo_output_setup(intel_sdvo,
2746                                     intel_sdvo->caps.output_flags) != true) {
2747                 DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
2748                               SDVO_NAME(intel_sdvo));
2749                 goto err;
2750         }
2751
2752         /* Only enable the hotplug irq if we need it, to work around noisy
2753          * hotplug lines.
2754          */
2755         if (intel_sdvo->hotplug_active)
2756                 dev_priv->hotplug_supported_mask |= hotplug_mask;
2757
2758         intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
2759
2760         /* Set the input timing to the screen. Assume always input 0. */
2761         if (!intel_sdvo_set_target_input(intel_sdvo))
2762                 goto err;
2763
2764         if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
2765                                                     &intel_sdvo->pixel_clock_min,
2766                                                     &intel_sdvo->pixel_clock_max))
2767                 goto err;
2768
2769         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2770                         "clock range %dMHz - %dMHz, "
2771                         "input 1: %c, input 2: %c, "
2772                         "output 1: %c, output 2: %c\n",
2773                         SDVO_NAME(intel_sdvo),
2774                         intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
2775                         intel_sdvo->caps.device_rev_id,
2776                         intel_sdvo->pixel_clock_min / 1000,
2777                         intel_sdvo->pixel_clock_max / 1000,
2778                         (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2779                         (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2780                         /* check currently supported outputs */
2781                         intel_sdvo->caps.output_flags &
2782                         (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2783                         intel_sdvo->caps.output_flags &
2784                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2785         return true;
2786
2787 err:
2788         drm_encoder_cleanup(&intel_encoder->base);
2789         i2c_del_adapter(&intel_sdvo->ddc);
2790 err_i2c_bus:
2791         intel_sdvo_unselect_i2c_bus(intel_sdvo);
2792         kfree(intel_sdvo);
2793
2794         return false;
2795 }