drivers/gpu/drm/i915/intel_sdvo.c

   1 /*
   2  * Copyright 2006 Dave Airlie <airlied@linux.ie>
   3  * Copyright © 2006-2007 Intel Corporation
   4  *   Jesse Barnes <jesse.barnes@intel.com>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23  * DEALINGS IN THE SOFTWARE.
  24  *
  25  * Authors:
  26  *      Eric Anholt <eric@anholt.net>
  27  */
  28 #include <linux/i2c.h>
  29 #include <linux/slab.h>
  30 #include <linux/delay.h>
  31 #include <linux/export.h>
  32 #include "drmP.h"
  33 #include "drm.h"
  34 #include "drm_crtc.h"
  35 #include "drm_edid.h"
  36 #include "intel_drv.h"
  37 #include "i915_drm.h"
  38 #include "i915_drv.h"
  39 #include "intel_sdvo_regs.h"
  40
  41 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
  42 #define SDVO_RGB_MASK  (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
  43 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
  44 #define SDVO_TV_MASK   (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0)
  45
  46 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
  47                         SDVO_TV_MASK)
  48
  49 #define IS_TV(c)        (c->output_flag & SDVO_TV_MASK)
  50 #define IS_TMDS(c)      (c->output_flag & SDVO_TMDS_MASK)
  51 #define IS_LVDS(c)      (c->output_flag & SDVO_LVDS_MASK)
  52 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
  53 #define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
  54
  55
  56 static const char *tv_format_names[] = {
  57         "NTSC_M"   , "NTSC_J"  , "NTSC_443",
  58         "PAL_B"    , "PAL_D"   , "PAL_G"   ,
  59         "PAL_H"    , "PAL_I"   , "PAL_M"   ,
  60         "PAL_N"    , "PAL_NC"  , "PAL_60"  ,
  61         "SECAM_B"  , "SECAM_D" , "SECAM_G" ,
  62         "SECAM_K"  , "SECAM_K1", "SECAM_L" ,
  63         "SECAM_60"
  64 };
  65
  66 #define TV_FORMAT_NUM  (sizeof(tv_format_names) / sizeof(*tv_format_names))
  67
  68 struct intel_sdvo {
  69         struct intel_encoder base;
  70
  71         struct i2c_adapter *i2c;
  72         u8 slave_addr;
  73
  74         struct i2c_adapter ddc;
  75
  76         /* Register for the SDVO device: SDVOB or SDVOC */
  77         uint32_t sdvo_reg;
  78
  79         /* Active outputs controlled by this SDVO output */
  80         uint16_t controlled_output;
  81
  82         /*
  83          * Capabilities of the SDVO device returned by
  84          * i830_sdvo_get_capabilities()
  85          */
  86         struct intel_sdvo_caps caps;
  87
  88         /* Pixel clock limitations reported by the SDVO device, in kHz */
  89         int pixel_clock_min, pixel_clock_max;
  90
  91         /*
  92         * For multiple function SDVO device,
  93         * this is for current attached outputs.
  94         */
  95         uint16_t attached_output;
  96
  97         /*
  98          * Hotplug activation bits for this device
  99          */
 100         uint8_t hotplug_active[2];
 101
 102         /**
 103          * This is used to select the color range of RBG outputs in HDMI mode.
 104          * It is only valid when using TMDS encoding and 8 bit per color mode.
 105          */
 106         uint32_t color_range;
 107
 108         /**
 109          * This is set if we're going to treat the device as TV-out.
 110          *
 111          * While we have these nice friendly flags for output types that ought
 112          * to decide this for us, the S-Video output on our HDMI+S-Video card
 113          * shows up as RGB1 (VGA).
 114          */
 115         bool is_tv;
 116
 117         /* On different gens SDVOB is at different places. */
 118         bool is_sdvob;
 119
 120         /* This is for current tv format name */
 121         int tv_format_index;
 122
 123         /**
 124          * This is set if we treat the device as HDMI, instead of DVI.
 125          */
 126         bool is_hdmi;
 127         bool has_hdmi_monitor;
 128         bool has_hdmi_audio;
 129
 130         /**
 131          * This is set if we detect output of sdvo device as LVDS and
 132          * have a valid fixed mode to use with the panel.
 133          */
 134         bool is_lvds;
 135
 136         /**
 137          * This is sdvo fixed pannel mode pointer
 138          */
 139         struct drm_display_mode *sdvo_lvds_fixed_mode;
 140
 141         /* DDC bus used by this SDVO encoder */
 142         uint8_t ddc_bus;
 143 };
 144
 145 struct intel_sdvo_connector {
 146         struct intel_connector base;
 147
 148         /* Mark the type of connector */
 149         uint16_t output_flag;
 150
 151         enum hdmi_force_audio force_audio;
 152
 153         /* This contains all current supported TV format */
 154         u8 tv_format_supported[TV_FORMAT_NUM];
 155         int   format_supported_num;
 156         struct drm_property *tv_format;
 157
 158         /* add the property for the SDVO-TV */
 159         struct drm_property *left;
 160         struct drm_property *right;
 161         struct drm_property *top;
 162         struct drm_property *bottom;
 163         struct drm_property *hpos;
 164         struct drm_property *vpos;
 165         struct drm_property *contrast;
 166         struct drm_property *saturation;
 167         struct drm_property *hue;
 168         struct drm_property *sharpness;
 169         struct drm_property *flicker_filter;
 170         struct drm_property *flicker_filter_adaptive;
 171         struct drm_property *flicker_filter_2d;
 172         struct drm_property *tv_chroma_filter;
 173         struct drm_property *tv_luma_filter;
 174         struct drm_property *dot_crawl;
 175
 176         /* add the property for the SDVO-TV/LVDS */
 177         struct drm_property *brightness;
 178
 179         /* Add variable to record current setting for the above property */
 180         u32     left_margin, right_margin, top_margin, bottom_margin;
 181
 182         /* this is to get the range of margin.*/
 183         u32     max_hscan,  max_vscan;
 184         u32     max_hpos, cur_hpos;
 185         u32     max_vpos, cur_vpos;
 186         u32     cur_brightness, max_brightness;
 187         u32     cur_contrast,   max_contrast;
 188         u32     cur_saturation, max_saturation;
 189         u32     cur_hue,        max_hue;
 190         u32     cur_sharpness,  max_sharpness;
 191         u32     cur_flicker_filter,             max_flicker_filter;
 192         u32     cur_flicker_filter_adaptive,    max_flicker_filter_adaptive;
 193         u32     cur_flicker_filter_2d,          max_flicker_filter_2d;
 194         u32     cur_tv_chroma_filter,   max_tv_chroma_filter;
 195         u32     cur_tv_luma_filter,     max_tv_luma_filter;
 196         u32     cur_dot_crawl,  max_dot_crawl;
 197 };
 198
 199 static struct intel_sdvo *to_intel_sdvo(struct drm_encoder *encoder)
 200 {
 201         return container_of(encoder, struct intel_sdvo, base.base);
 202 }
 203
 204 static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
 205 {
 206         return container_of(intel_attached_encoder(connector),
 207                             struct intel_sdvo, base);
 208 }
 209
 210 static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector)
 211 {
 212         return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);
 213 }
 214
 215 static bool
 216 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
 217 static bool
 218 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
 219                               struct intel_sdvo_connector *intel_sdvo_connector,
 220                               int type);
 221 static bool
 222 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
 223                                    struct intel_sdvo_connector *intel_sdvo_connector);
 224
 225 /**
 226  * Writes the SDVOB or SDVOC with the given value, but always writes both
 227  * SDVOB and SDVOC to work around apparent hardware issues (according to
 228  * comments in the BIOS).
 229  */
 230 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
 231 {
 232         struct drm_device *dev = intel_sdvo->base.base.dev;
 233         struct drm_i915_private *dev_priv = dev->dev_private;
 234         u32 bval = val, cval = val;
 235         int i;
 236
 237         if (intel_sdvo->sdvo_reg == PCH_SDVOB) {
 238                 I915_WRITE(intel_sdvo->sdvo_reg, val);
 239                 I915_READ(intel_sdvo->sdvo_reg);
 240                 return;
 241         }
 242
 243         if (intel_sdvo->sdvo_reg == SDVOB) {
 244                 cval = I915_READ(SDVOC);
 245         } else {
 246                 bval = I915_READ(SDVOB);
 247         }
 248         /*
 249          * Write the registers twice for luck. Sometimes,
 250          * writing them only once doesn't appear to 'stick'.
 251          * The BIOS does this too. Yay, magic
 252          */
 253         for (i = 0; i < 2; i++)
 254         {
 255                 I915_WRITE(SDVOB, bval);
 256                 I915_READ(SDVOB);
 257                 I915_WRITE(SDVOC, cval);
 258                 I915_READ(SDVOC);
 259         }
 260 }
 261
 262 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
 263 {
 264         struct i2c_msg msgs[] = {
 265                 {
 266                         .addr = intel_sdvo->slave_addr,
 267                         .flags = 0,
 268                         .len = 1,
 269                         .buf = &addr,
 270                 },
 271                 {
 272                         .addr = intel_sdvo->slave_addr,
 273                         .flags = I2C_M_RD,
 274                         .len = 1,
 275                         .buf = ch,
 276                 }
 277         };
 278         int ret;
 279
 280         if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
 281                 return true;
 282
 283         DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
 284         return false;
 285 }
 286
 287 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
 288 /** Mapping of command numbers to names, for debug output */
 289 static const struct _sdvo_cmd_name {
 290         u8 cmd;
 291         const char *name;
 292 } sdvo_cmd_names[] = {
 293         SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
 294         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
 295         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
 296         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
 297         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
 298         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
 299         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
 300         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
 301         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
 302         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
 303         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
 304         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
 305         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
 306         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
 307         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
 308         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
 309         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
 310         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 311         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
 312         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 313         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
 314         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
 315         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
 316         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
 317         SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
 318         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
 319         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
 320         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
 321         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
 322         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
 323         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
 324         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
 325         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
 326         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
 327         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
 328         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
 329         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
 330         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
 331         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
 332         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
 333         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
 334         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
 335         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
 336
 337         /* Add the op code for SDVO enhancements */
 338         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
 339         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
 340         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
 341         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
 342         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
 343         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
 344         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
 345         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
 346         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
 347         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
 348         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
 349         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
 350         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
 351         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
 352         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
 353         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
 354         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
 355         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
 356         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
 357         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
 358         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
 359         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
 360         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
 361         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
 362         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
 363         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
 364         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
 365         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
 366         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
 367         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
 368         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
 369         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
 370         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
 371         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
 372         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
 373         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
 374         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
 375         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
 376         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
 377         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
 378         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
 379         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
 380         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
 381         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
 382
 383         /* HDMI op code */
 384         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
 385         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
 386         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
 387         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
 388         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
 389         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
 390         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
 391         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
 392         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
 393         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
 394         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
 395         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
 396         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
 397         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
 398         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
 399         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
 400         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
 401         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
 402         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
 403         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
 404 };
 405
 406 #define SDVO_NAME(svdo) ((svdo)->is_sdvob ? "SDVOB" : "SDVOC")
 407
 408 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
 409                                    const void *args, int args_len)
 410 {
 411         int i;
 412
 413         DRM_DEBUG_KMS("%s: W: %02X ",
 414                                 SDVO_NAME(intel_sdvo), cmd);
 415         for (i = 0; i < args_len; i++)
 416                 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
 417         for (; i < 8; i++)
 418                 DRM_LOG_KMS("   ");
 419         for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
 420                 if (cmd == sdvo_cmd_names[i].cmd) {
 421                         DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
 422                         break;
 423                 }
 424         }
 425         if (i == ARRAY_SIZE(sdvo_cmd_names))
 426                 DRM_LOG_KMS("(%02X)", cmd);
 427         DRM_LOG_KMS("\n");
 428 }
 429
 430 static const char *cmd_status_names[] = {
 431         "Power on",
 432         "Success",
 433         "Not supported",
 434         "Invalid arg",
 435         "Pending",
 436         "Target not specified",
 437         "Scaling not supported"
 438 };
 439
 440 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
 441                                  const void *args, int args_len)
 442 {
 443         u8 *buf, status;
 444         struct i2c_msg *msgs;
 445         int i, ret = true;
 446
 447         /* Would be simpler to allocate both in one go ? */
 448         buf = (u8 *)kzalloc(args_len * 2 + 2, GFP_KERNEL);
 449         if (!buf)
 450                 return false;
 451
 452         msgs = kcalloc(args_len + 3, sizeof(*msgs), GFP_KERNEL);
 453         if (!msgs) {
 454                 kfree(buf);
 455                 return false;
 456         }
 457
 458         intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
 459
 460         for (i = 0; i < args_len; i++) {
 461                 msgs[i].addr = intel_sdvo->slave_addr;
 462                 msgs[i].flags = 0;
 463                 msgs[i].len = 2;
 464                 msgs[i].buf = buf + 2 *i;
 465                 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
 466                 buf[2*i + 1] = ((u8*)args)[i];
 467         }
 468         msgs[i].addr = intel_sdvo->slave_addr;
 469         msgs[i].flags = 0;
 470         msgs[i].len = 2;
 471         msgs[i].buf = buf + 2*i;
 472         buf[2*i + 0] = SDVO_I2C_OPCODE;
 473         buf[2*i + 1] = cmd;
 474
 475         /* the following two are to read the response */
 476         status = SDVO_I2C_CMD_STATUS;
 477         msgs[i+1].addr = intel_sdvo->slave_addr;
 478         msgs[i+1].flags = 0;
 479         msgs[i+1].len = 1;
 480         msgs[i+1].buf = &status;
 481
 482         msgs[i+2].addr = intel_sdvo->slave_addr;
 483         msgs[i+2].flags = I2C_M_RD;
 484         msgs[i+2].len = 1;
 485         msgs[i+2].buf = &status;
 486
 487         ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
 488         if (ret < 0) {
 489                 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
 490                 ret = false;
 491                 goto out;
 492         }
 493         if (ret != i+3) {
 494                 /* failure in I2C transfer */
 495                 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
 496                 ret = false;
 497         }
 498
 499 out:
 500         kfree(msgs);
 501         kfree(buf);
 502         return ret;
 503 }
 504
 505 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
 506                                      void *response, int response_len)
 507 {
 508         u8 retry = 5;
 509         u8 status;
 510         int i;
 511
 512         DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));
 513
 514         /*
 515          * The documentation states that all commands will be
 516          * processed within 15µs, and that we need only poll
 517          * the status byte a maximum of 3 times in order for the
 518          * command to be complete.
 519          *
 520          * Check 5 times in case the hardware failed to read the docs.
 521          */
 522         if (!intel_sdvo_read_byte(intel_sdvo,
 523                                   SDVO_I2C_CMD_STATUS,
 524                                   &status))
 525                 goto log_fail;
 526
 527         while (status == SDVO_CMD_STATUS_PENDING && retry--) {
 528                 udelay(15);
 529                 if (!intel_sdvo_read_byte(intel_sdvo,
 530                                           SDVO_I2C_CMD_STATUS,
 531                                           &status))
 532                         goto log_fail;
 533         }
 534
 535         if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
 536                 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
 537         else
 538                 DRM_LOG_KMS("(??? %d)", status);
 539
 540         if (status != SDVO_CMD_STATUS_SUCCESS)
 541                 goto log_fail;
 542
 543         /* Read the command response */
 544         for (i = 0; i < response_len; i++) {
 545                 if (!intel_sdvo_read_byte(intel_sdvo,
 546                                           SDVO_I2C_RETURN_0 + i,
 547                                           &((u8 *)response)[i]))
 548                         goto log_fail;
 549                 DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
 550         }
 551         DRM_LOG_KMS("\n");
 552         return true;
 553
 554 log_fail:
 555         DRM_LOG_KMS("... failed\n");
 556         return false;
 557 }
 558
 559 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
 560 {
 561         if (mode->clock >= 100000)
 562                 return 1;
 563         else if (mode->clock >= 50000)
 564                 return 2;
 565         else
 566                 return 4;
 567 }
 568
 569 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
 570                                               u8 ddc_bus)
 571 {
 572         /* This must be the immediately preceding write before the i2c xfer */
 573         return intel_sdvo_write_cmd(intel_sdvo,
 574                                     SDVO_CMD_SET_CONTROL_BUS_SWITCH,
 575                                     &ddc_bus, 1);
 576 }
 577
 578 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
 579 {
 580         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
 581                 return false;
 582
 583         return intel_sdvo_read_response(intel_sdvo, NULL, 0);
 584 }
 585
 586 static bool
 587 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
 588 {
 589         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
 590                 return false;
 591
 592         return intel_sdvo_read_response(intel_sdvo, value, len);
 593 }
 594
 595 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
 596 {
 597         struct intel_sdvo_set_target_input_args targets = {0};
 598         return intel_sdvo_set_value(intel_sdvo,
 599                                     SDVO_CMD_SET_TARGET_INPUT,
 600                                     &targets, sizeof(targets));
 601 }
 602
 603 /**
 604  * Return whether each input is trained.
 605  *
 606  * This function is making an assumption about the layout of the response,
 607  * which should be checked against the docs.
 608  */
 609 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
 610 {
 611         struct intel_sdvo_get_trained_inputs_response response;
 612
 613         BUILD_BUG_ON(sizeof(response) != 1);
 614         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
 615                                   &response, sizeof(response)))
 616                 return false;
 617
 618         *input_1 = response.input0_trained;
 619         *input_2 = response.input1_trained;
 620         return true;
 621 }
 622
 623 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
 624                                           u16 outputs)
 625 {
 626         return intel_sdvo_set_value(intel_sdvo,
 627                                     SDVO_CMD_SET_ACTIVE_OUTPUTS,
 628                                     &outputs, sizeof(outputs));
 629 }
 630
 631 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
 632                                                int mode)
 633 {
 634         u8 state = SDVO_ENCODER_STATE_ON;
 635
 636         switch (mode) {
 637         case DRM_MODE_DPMS_ON:
 638                 state = SDVO_ENCODER_STATE_ON;
 639                 break;
 640         case DRM_MODE_DPMS_STANDBY:
 641                 state = SDVO_ENCODER_STATE_STANDBY;
 642                 break;
 643         case DRM_MODE_DPMS_SUSPEND:
 644                 state = SDVO_ENCODER_STATE_SUSPEND;
 645                 break;
 646         case DRM_MODE_DPMS_OFF:
 647                 state = SDVO_ENCODER_STATE_OFF;
 648                 break;
 649         }
 650
 651         return intel_sdvo_set_value(intel_sdvo,
 652                                     SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
 653 }
 654
 655 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
 656                                                    int *clock_min,
 657                                                    int *clock_max)
 658 {
 659         struct intel_sdvo_pixel_clock_range clocks;
 660
 661         BUILD_BUG_ON(sizeof(clocks) != 4);
 662         if (!intel_sdvo_get_value(intel_sdvo,
 663                                   SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
 664                                   &clocks, sizeof(clocks)))
 665                 return false;
 666
 667         /* Convert the values from units of 10 kHz to kHz. */
 668         *clock_min = clocks.min * 10;
 669         *clock_max = clocks.max * 10;
 670         return true;
 671 }
 672
 673 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
 674                                          u16 outputs)
 675 {
 676         return intel_sdvo_set_value(intel_sdvo,
 677                                     SDVO_CMD_SET_TARGET_OUTPUT,
 678                                     &outputs, sizeof(outputs));
 679 }
 680
 681 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
 682                                   struct intel_sdvo_dtd *dtd)
 683 {
 684         return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
 685                 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
 686 }
 687
 688 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
 689                                          struct intel_sdvo_dtd *dtd)
 690 {
 691         return intel_sdvo_set_timing(intel_sdvo,
 692                                      SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
 693 }
 694
 695 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
 696                                          struct intel_sdvo_dtd *dtd)
 697 {
 698         return intel_sdvo_set_timing(intel_sdvo,
 699                                      SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
 700 }
 701
 702 static bool
 703 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 704                                          uint16_t clock,
 705                                          uint16_t width,
 706                                          uint16_t height)
 707 {
 708         struct intel_sdvo_preferred_input_timing_args args;
 709
 710         memset(&args, 0, sizeof(args));
 711         args.clock = clock;
 712         args.width = width;
 713         args.height = height;
 714         args.interlace = 0;
 715
 716         if (intel_sdvo->is_lvds &&
 717            (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
 718             intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
 719                 args.scaled = 1;
 720
 721         return intel_sdvo_set_value(intel_sdvo,
 722                                     SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
 723                                     &args, sizeof(args));
 724 }
 725
 726 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 727                                                   struct intel_sdvo_dtd *dtd)
 728 {
 729         BUILD_BUG_ON(sizeof(dtd->part1) != 8);
 730         BUILD_BUG_ON(sizeof(dtd->part2) != 8);
 731         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
 732                                     &dtd->part1, sizeof(dtd->part1)) &&
 733                 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
 734                                      &dtd->part2, sizeof(dtd->part2));
 735 }
 736
 737 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
 738 {
 739         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
 740 }
 741
 742 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
 743                                          const struct drm_display_mode *mode)
 744 {
 745         uint16_t width, height;
 746         uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
 747         uint16_t h_sync_offset, v_sync_offset;
 748         int mode_clock;
 749
 750         width = mode->hdisplay;
 751         height = mode->vdisplay;
 752
 753         /* do some mode translations */
 754         h_blank_len = mode->htotal - mode->hdisplay;
 755         h_sync_len = mode->hsync_end - mode->hsync_start;
 756
 757         v_blank_len = mode->vtotal - mode->vdisplay;
 758         v_sync_len = mode->vsync_end - mode->vsync_start;
 759
 760         h_sync_offset = mode->hsync_start - mode->hdisplay;
 761         v_sync_offset = mode->vsync_start - mode->vdisplay;
 762
 763         mode_clock = mode->clock;
 764         mode_clock /= intel_mode_get_pixel_multiplier(mode) ?: 1;
 765         mode_clock /= 10;
 766         dtd->part1.clock = mode_clock;
 767
 768         dtd->part1.h_active = width & 0xff;
 769         dtd->part1.h_blank = h_blank_len & 0xff;
 770         dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
 771                 ((h_blank_len >> 8) & 0xf);
 772         dtd->part1.v_active = height & 0xff;
 773         dtd->part1.v_blank = v_blank_len & 0xff;
 774         dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
 775                 ((v_blank_len >> 8) & 0xf);
 776
 777         dtd->part2.h_sync_off = h_sync_offset & 0xff;
 778         dtd->part2.h_sync_width = h_sync_len & 0xff;
 779         dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
 780                 (v_sync_len & 0xf);
 781         dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
 782                 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
 783                 ((v_sync_len & 0x30) >> 4);
 784
 785         dtd->part2.dtd_flags = 0x18;
 786         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 787                 dtd->part2.dtd_flags |= DTD_FLAG_INTERLACE;
 788         if (mode->flags & DRM_MODE_FLAG_PHSYNC)
 789                 dtd->part2.dtd_flags |= DTD_FLAG_HSYNC_POSITIVE;
 790         if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 791                 dtd->part2.dtd_flags |= DTD_FLAG_VSYNC_POSITIVE;
 792
 793         dtd->part2.sdvo_flags = 0;
 794         dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
 795         dtd->part2.reserved = 0;
 796 }
 797
 798 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
 799                                          const struct intel_sdvo_dtd *dtd)
 800 {
 801         mode->hdisplay = dtd->part1.h_active;
 802         mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
 803         mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
 804         mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
 805         mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
 806         mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
 807         mode->htotal = mode->hdisplay + dtd->part1.h_blank;
 808         mode->htotal += (dtd->part1.h_high & 0xf) << 8;
 809
 810         mode->vdisplay = dtd->part1.v_active;
 811         mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
 812         mode->vsync_start = mode->vdisplay;
 813         mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
 814         mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
 815         mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
 816         mode->vsync_end = mode->vsync_start +
 817                 (dtd->part2.v_sync_off_width & 0xf);
 818         mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
 819         mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
 820         mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
 821
 822         mode->clock = dtd->part1.clock * 10;
 823
 824         mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
 825         if (dtd->part2.dtd_flags & DTD_FLAG_INTERLACE)
 826                 mode->flags |= DRM_MODE_FLAG_INTERLACE;
 827         if (dtd->part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
 828                 mode->flags |= DRM_MODE_FLAG_PHSYNC;
 829         if (dtd->part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
 830                 mode->flags |= DRM_MODE_FLAG_PVSYNC;
 831 }
 832
 833 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
 834 {
 835         struct intel_sdvo_encode encode;
 836
 837         BUILD_BUG_ON(sizeof(encode) != 2);
 838         return intel_sdvo_get_value(intel_sdvo,
 839                                   SDVO_CMD_GET_SUPP_ENCODE,
 840                                   &encode, sizeof(encode));
 841 }
 842
 843 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
 844                                   uint8_t mode)
 845 {
 846         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
 847 }
 848
 849 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
 850                                        uint8_t mode)
 851 {
 852         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
 853 }
 854
 855 #if 0
 856 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
 857 {
 858         int i, j;
 859         uint8_t set_buf_index[2];
 860         uint8_t av_split;
 861         uint8_t buf_size;
 862         uint8_t buf[48];
 863         uint8_t *pos;
 864
 865         intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
 866
 867         for (i = 0; i <= av_split; i++) {
 868                 set_buf_index[0] = i; set_buf_index[1] = 0;
 869                 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
 870                                      set_buf_index, 2);
 871                 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
 872                 intel_sdvo_read_response(encoder, &buf_size, 1);
 873
 874                 pos = buf;
 875                 for (j = 0; j <= buf_size; j += 8) {
 876                         intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
 877                                              NULL, 0);
 878                         intel_sdvo_read_response(encoder, pos, 8);
 879                         pos += 8;
 880                 }
 881         }
 882 }
 883 #endif
 884
 885 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
 886 {
 887         struct dip_infoframe avi_if = {
 888                 .type = DIP_TYPE_AVI,
 889                 .ver = DIP_VERSION_AVI,
 890                 .len = DIP_LEN_AVI,
 891         };
 892         uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
 893         uint8_t set_buf_index[2] = { 1, 0 };
 894         uint8_t sdvo_data[4 + sizeof(avi_if.body.avi)];
 895         uint64_t *data = (uint64_t *)sdvo_data;
 896         unsigned i;
 897
 898         intel_dip_infoframe_csum(&avi_if);
 899
 900         /* sdvo spec says that the ecc is handled by the hw, and it looks like
 901          * we must not send the ecc field, either. */
 902         memcpy(sdvo_data, &avi_if, 3);
 903         sdvo_data[3] = avi_if.checksum;
 904         memcpy(&sdvo_data[4], &avi_if.body, sizeof(avi_if.body.avi));
 905
 906         if (!intel_sdvo_set_value(intel_sdvo,
 907                                   SDVO_CMD_SET_HBUF_INDEX,
 908                                   set_buf_index, 2))
 909                 return false;
 910
 911         for (i = 0; i < sizeof(sdvo_data); i += 8) {
 912                 if (!intel_sdvo_set_value(intel_sdvo,
 913                                           SDVO_CMD_SET_HBUF_DATA,
 914                                           data, 8))
 915                         return false;
 916                 data++;
 917         }
 918
 919         return intel_sdvo_set_value(intel_sdvo,
 920                                     SDVO_CMD_SET_HBUF_TXRATE,
 921                                     &tx_rate, 1);
 922 }
 923
 924 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
 925 {
 926         struct intel_sdvo_tv_format format;
 927         uint32_t format_map;
 928
 929         format_map = 1 << intel_sdvo->tv_format_index;
 930         memset(&format, 0, sizeof(format));
 931         memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
 932
 933         BUILD_BUG_ON(sizeof(format) != 6);
 934         return intel_sdvo_set_value(intel_sdvo,
 935                                     SDVO_CMD_SET_TV_FORMAT,
 936                                     &format, sizeof(format));
 937 }
 938
 939 static bool
 940 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
 941                                         const struct drm_display_mode *mode)
 942 {
 943         struct intel_sdvo_dtd output_dtd;
 944
 945         if (!intel_sdvo_set_target_output(intel_sdvo,
 946                                           intel_sdvo->attached_output))
 947                 return false;
 948
 949         intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
 950         if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
 951                 return false;
 952
 953         return true;
 954 }
 955
 956 /* Asks the sdvo controller for the preferred input mode given the output mode.
 957  * Unfortunately we have to set up the full output mode to do that. */
 958 static bool
 959 intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo,
 960                                     const struct drm_display_mode *mode,
 961                                     struct drm_display_mode *adjusted_mode)
 962 {
 963         struct intel_sdvo_dtd input_dtd;
 964
 965         /* Reset the input timing to the screen. Assume always input 0. */
 966         if (!intel_sdvo_set_target_input(intel_sdvo))
 967                 return false;
 968
 969         if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
 970                                                       mode->clock / 10,
 971                                                       mode->hdisplay,
 972                                                       mode->vdisplay))
 973                 return false;
 974
 975         if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
 976                                                    &input_dtd))
 977                 return false;
 978
 979         intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
 980
 981         return true;
 982 }
 983
 984 static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
 985                                   const struct drm_display_mode *mode,
 986                                   struct drm_display_mode *adjusted_mode)
 987 {
 988         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
 989         int multiplier;
 990
 991         /* We need to construct preferred input timings based on our
 992          * output timings.  To do that, we have to set the output
 993          * timings, even though this isn't really the right place in
 994          * the sequence to do it. Oh well.
 995          */
 996         if (intel_sdvo->is_tv) {
 997                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
 998                         return false;
 999
1000                 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1001                                                            mode,
1002                                                            adjusted_mode);
1003         } else if (intel_sdvo->is_lvds) {
1004                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
1005                                                              intel_sdvo->sdvo_lvds_fixed_mode))
1006                         return false;
1007
1008                 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1009                                                            mode,
1010                                                            adjusted_mode);
1011         }
1012
1013         /* Make the CRTC code factor in the SDVO pixel multiplier.  The
1014          * SDVO device will factor out the multiplier during mode_set.
1015          */
1016         multiplier = intel_sdvo_get_pixel_multiplier(adjusted_mode);
1017         intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
1018
1019         return true;
1020 }
1021
1022 static void intel_sdvo_mode_set(struct drm_encoder *encoder,
1023                                 struct drm_display_mode *mode,
1024                                 struct drm_display_mode *adjusted_mode)
1025 {
1026         struct drm_device *dev = encoder->dev;
1027         struct drm_i915_private *dev_priv = dev->dev_private;
1028         struct drm_crtc *crtc = encoder->crtc;
1029         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
1030         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1031         u32 sdvox;
1032         struct intel_sdvo_in_out_map in_out;
1033         struct intel_sdvo_dtd input_dtd, output_dtd;
1034         int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
1035         int rate;
1036
1037         if (!mode)
1038                 return;
1039
1040         /* First, set the input mapping for the first input to our controlled
1041          * output. This is only correct if we're a single-input device, in
1042          * which case the first input is the output from the appropriate SDVO
1043          * channel on the motherboard.  In a two-input device, the first input
1044          * will be SDVOB and the second SDVOC.
1045          */
1046         in_out.in0 = intel_sdvo->attached_output;
1047         in_out.in1 = 0;
1048
1049         intel_sdvo_set_value(intel_sdvo,
1050                              SDVO_CMD_SET_IN_OUT_MAP,
1051                              &in_out, sizeof(in_out));
1052
1053         /* Set the output timings to the screen */
1054         if (!intel_sdvo_set_target_output(intel_sdvo,
1055                                           intel_sdvo->attached_output))
1056                 return;
1057
1058         /* lvds has a special fixed output timing. */
1059         if (intel_sdvo->is_lvds)
1060                 intel_sdvo_get_dtd_from_mode(&output_dtd,
1061                                              intel_sdvo->sdvo_lvds_fixed_mode);
1062         else
1063                 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1064         if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
1065                 DRM_INFO("Setting output timings on %s failed\n",
1066                          SDVO_NAME(intel_sdvo));
1067
1068         /* Set the input timing to the screen. Assume always input 0. */
1069         if (!intel_sdvo_set_target_input(intel_sdvo))
1070                 return;
1071
1072         if (intel_sdvo->has_hdmi_monitor) {
1073                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1074                 intel_sdvo_set_colorimetry(intel_sdvo,
1075                                            SDVO_COLORIMETRY_RGB256);
1076                 intel_sdvo_set_avi_infoframe(intel_sdvo);
1077         } else
1078                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1079
1080         if (intel_sdvo->is_tv &&
1081             !intel_sdvo_set_tv_format(intel_sdvo))
1082                 return;
1083
1084         /* We have tried to get input timing in mode_fixup, and filled into
1085          * adjusted_mode.
1086          */
1087         intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1088         if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd))
1089                 DRM_INFO("Setting input timings on %s failed\n",
1090                          SDVO_NAME(intel_sdvo));
1091
1092         switch (pixel_multiplier) {
1093         default:
1094         case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1095         case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1096         case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1097         }
1098         if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1099                 return;
1100
1101         /* Set the SDVO control regs. */
1102         if (INTEL_INFO(dev)->gen >= 4) {
1103                 /* The real mode polarity is set by the SDVO commands, using
1104                  * struct intel_sdvo_dtd. */
1105                 sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
1106                 if (intel_sdvo->is_hdmi)
1107                         sdvox |= intel_sdvo->color_range;
1108                 if (INTEL_INFO(dev)->gen < 5)
1109                         sdvox |= SDVO_BORDER_ENABLE;
1110         } else {
1111                 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1112                 switch (intel_sdvo->sdvo_reg) {
1113                 case SDVOB:
1114                         sdvox &= SDVOB_PRESERVE_MASK;
1115                         break;
1116                 case SDVOC:
1117                         sdvox &= SDVOC_PRESERVE_MASK;
1118                         break;
1119                 }
1120                 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1121         }
1122
1123         if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
1124                 sdvox |= TRANSCODER_CPT(intel_crtc->pipe);
1125         else
1126                 sdvox |= TRANSCODER(intel_crtc->pipe);
1127
1128         if (intel_sdvo->has_hdmi_audio)
1129                 sdvox |= SDVO_AUDIO_ENABLE;
1130
1131         if (INTEL_INFO(dev)->gen >= 4) {
1132                 /* done in crtc_mode_set as the dpll_md reg must be written early */
1133         } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1134                 /* done in crtc_mode_set as it lives inside the dpll register */
1135         } else {
1136                 sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1137         }
1138
1139         if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1140             INTEL_INFO(dev)->gen < 5)
1141                 sdvox |= SDVO_STALL_SELECT;
1142         intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1143 }
1144
1145 static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1146 {
1147         struct drm_device *dev = encoder->dev;
1148         struct drm_i915_private *dev_priv = dev->dev_private;
1149         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1150         struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
1151         u32 temp;
1152
1153         if (mode != DRM_MODE_DPMS_ON) {
1154                 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1155                 if (0)
1156                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1157
1158                 if (mode == DRM_MODE_DPMS_OFF) {
1159                         temp = I915_READ(intel_sdvo->sdvo_reg);
1160                         if ((temp & SDVO_ENABLE) != 0) {
1161                                 intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
1162                         }
1163                 }
1164         } else {
1165                 bool input1, input2;
1166                 int i;
1167                 u8 status;
1168
1169                 temp = I915_READ(intel_sdvo->sdvo_reg);
1170                 if ((temp & SDVO_ENABLE) == 0)
1171                         intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
1172                 for (i = 0; i < 2; i++)
1173                         intel_wait_for_vblank(dev, intel_crtc->pipe);
1174
1175                 status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1176                 /* Warn if the device reported failure to sync.
1177                  * A lot of SDVO devices fail to notify of sync, but it's
1178                  * a given it the status is a success, we succeeded.
1179                  */
1180                 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1181                         DRM_DEBUG_KMS("First %s output reported failure to "
1182                                         "sync\n", SDVO_NAME(intel_sdvo));
1183                 }
1184
1185                 if (0)
1186                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1187                 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1188         }
1189         return;
1190 }
1191
1192 static int intel_sdvo_mode_valid(struct drm_connector *connector,
1193                                  struct drm_display_mode *mode)
1194 {
1195         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1196
1197         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1198                 return MODE_NO_DBLESCAN;
1199
1200         if (intel_sdvo->pixel_clock_min > mode->clock)
1201                 return MODE_CLOCK_LOW;
1202
1203         if (intel_sdvo->pixel_clock_max < mode->clock)
1204                 return MODE_CLOCK_HIGH;
1205
1206         if (intel_sdvo->is_lvds) {
1207                 if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1208                         return MODE_PANEL;
1209
1210                 if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1211                         return MODE_PANEL;
1212         }
1213
1214         return MODE_OK;
1215 }
1216
1217 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1218 {
1219         BUILD_BUG_ON(sizeof(*caps) != 8);
1220         if (!intel_sdvo_get_value(intel_sdvo,
1221                                   SDVO_CMD_GET_DEVICE_CAPS,
1222                                   caps, sizeof(*caps)))
1223                 return false;
1224
1225         DRM_DEBUG_KMS("SDVO capabilities:\n"
1226                       "  vendor_id: %d\n"
1227                       "  device_id: %d\n"
1228                       "  device_rev_id: %d\n"
1229                       "  sdvo_version_major: %d\n"
1230                       "  sdvo_version_minor: %d\n"
1231                       "  sdvo_inputs_mask: %d\n"
1232                       "  smooth_scaling: %d\n"
1233                       "  sharp_scaling: %d\n"
1234                       "  up_scaling: %d\n"
1235                       "  down_scaling: %d\n"
1236                       "  stall_support: %d\n"
1237                       "  output_flags: %d\n",
1238                       caps->vendor_id,
1239                       caps->device_id,
1240                       caps->device_rev_id,
1241                       caps->sdvo_version_major,
1242                       caps->sdvo_version_minor,
1243                       caps->sdvo_inputs_mask,
1244                       caps->smooth_scaling,
1245                       caps->sharp_scaling,
1246                       caps->up_scaling,
1247                       caps->down_scaling,
1248                       caps->stall_support,
1249                       caps->output_flags);
1250
1251         return true;
1252 }
1253
1254 static int intel_sdvo_supports_hotplug(struct intel_sdvo *intel_sdvo)
1255 {
1256         struct drm_device *dev = intel_sdvo->base.base.dev;
1257         u8 response[2];
1258
1259         /* HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
1260          * on the line. */
1261         if (IS_I945G(dev) || IS_I945GM(dev))
1262                 return false;
1263
1264         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1265                                     &response, 2) && response[0];
1266 }
1267
1268 static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
1269 {
1270         struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1271
1272         intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &intel_sdvo->hotplug_active, 2);
1273 }
1274
1275 static bool
1276 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1277 {
1278         /* Is there more than one type of output? */
1279         return hweight16(intel_sdvo->caps.output_flags) > 1;
1280 }
1281
1282 static struct edid *
1283 intel_sdvo_get_edid(struct drm_connector *connector)
1284 {
1285         struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
1286         return drm_get_edid(connector, &sdvo->ddc);
1287 }
1288
1289 /* Mac mini hack -- use the same DDC as the analog connector */
1290 static struct edid *
1291 intel_sdvo_get_analog_edid(struct drm_connector *connector)
1292 {
1293         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1294
1295         return drm_get_edid(connector,
1296                             intel_gmbus_get_adapter(dev_priv,
1297                                                     dev_priv->crt_ddc_pin));
1298 }
1299
1300 static enum drm_connector_status
1301 intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
1302 {
1303         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1304         enum drm_connector_status status;
1305         struct edid *edid;
1306
1307         edid = intel_sdvo_get_edid(connector);
1308
1309         if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1310                 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1311
1312                 /*
1313                  * Don't use the 1 as the argument of DDC bus switch to get
1314                  * the EDID. It is used for SDVO SPD ROM.
1315                  */
1316                 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1317                         intel_sdvo->ddc_bus = ddc;
1318                         edid = intel_sdvo_get_edid(connector);
1319                         if (edid)
1320                                 break;
1321                 }
1322                 /*
1323                  * If we found the EDID on the other bus,
1324                  * assume that is the correct DDC bus.
1325                  */
1326                 if (edid == NULL)
1327                         intel_sdvo->ddc_bus = saved_ddc;
1328         }
1329
1330         /*
1331          * When there is no edid and no monitor is connected with VGA
1332          * port, try to use the CRT ddc to read the EDID for DVI-connector.
1333          */
1334         if (edid == NULL)
1335                 edid = intel_sdvo_get_analog_edid(connector);
1336
1337         status = connector_status_unknown;
1338         if (edid != NULL) {
1339                 /* DDC bus is shared, match EDID to connector type */
1340                 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1341                         status = connector_status_connected;
1342                         if (intel_sdvo->is_hdmi) {
1343                                 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1344                                 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1345                         }
1346                 } else
1347                         status = connector_status_disconnected;
1348                 connector->display_info.raw_edid = NULL;
1349                 kfree(edid);
1350         }
1351
1352         if (status == connector_status_connected) {
1353                 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1354                 if (intel_sdvo_connector->force_audio != HDMI_AUDIO_AUTO)
1355                         intel_sdvo->has_hdmi_audio = (intel_sdvo_connector->force_audio == HDMI_AUDIO_ON);
1356         }
1357
1358         return status;
1359 }
1360
1361 static bool
1362 intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
1363                                   struct edid *edid)
1364 {
1365         bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1366         bool connector_is_digital = !!IS_DIGITAL(sdvo);
1367
1368         DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
1369                       connector_is_digital, monitor_is_digital);
1370         return connector_is_digital == monitor_is_digital;
1371 }
1372
1373 static enum drm_connector_status
1374 intel_sdvo_detect(struct drm_connector *connector, bool force)
1375 {
1376         uint16_t response;
1377         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1378         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1379         enum drm_connector_status ret;
1380
1381         if (!intel_sdvo_write_cmd(intel_sdvo,
1382                                   SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
1383                 return connector_status_unknown;
1384
1385         /* add 30ms delay when the output type might be TV */
1386         if (intel_sdvo->caps.output_flags & SDVO_TV_MASK)
1387                 msleep(30);
1388
1389         if (!intel_sdvo_read_response(intel_sdvo, &response, 2))
1390                 return connector_status_unknown;
1391
1392         DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1393                       response & 0xff, response >> 8,
1394                       intel_sdvo_connector->output_flag);
1395
1396         if (response == 0)
1397                 return connector_status_disconnected;
1398
1399         intel_sdvo->attached_output = response;
1400
1401         intel_sdvo->has_hdmi_monitor = false;
1402         intel_sdvo->has_hdmi_audio = false;
1403
1404         if ((intel_sdvo_connector->output_flag & response) == 0)
1405                 ret = connector_status_disconnected;
1406         else if (IS_TMDS(intel_sdvo_connector))
1407                 ret = intel_sdvo_tmds_sink_detect(connector);
1408         else {
1409                 struct edid *edid;
1410
1411                 /* if we have an edid check it matches the connection */
1412                 edid = intel_sdvo_get_edid(connector);
1413                 if (edid == NULL)
1414                         edid = intel_sdvo_get_analog_edid(connector);
1415                 if (edid != NULL) {
1416                         if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
1417                                                               edid))
1418                                 ret = connector_status_connected;
1419                         else
1420                                 ret = connector_status_disconnected;
1421
1422                         connector->display_info.raw_edid = NULL;
1423                         kfree(edid);
1424                 } else
1425                         ret = connector_status_connected;
1426         }
1427
1428         /* May update encoder flag for like clock for SDVO TV, etc.*/
1429         if (ret == connector_status_connected) {
1430                 intel_sdvo->is_tv = false;
1431                 intel_sdvo->is_lvds = false;
1432                 intel_sdvo->base.needs_tv_clock = false;
1433
1434                 if (response & SDVO_TV_MASK) {
1435                         intel_sdvo->is_tv = true;
1436                         intel_sdvo->base.needs_tv_clock = true;
1437                 }
1438                 if (response & SDVO_LVDS_MASK)
1439                         intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1440         }
1441
1442         return ret;
1443 }
1444
1445 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1446 {
1447         struct edid *edid;
1448
1449         /* set the bus switch and get the modes */
1450         edid = intel_sdvo_get_edid(connector);
1451
1452         /*
1453          * Mac mini hack.  On this device, the DVI-I connector shares one DDC
1454          * link between analog and digital outputs. So, if the regular SDVO
1455          * DDC fails, check to see if the analog output is disconnected, in
1456          * which case we'll look there for the digital DDC data.
1457          */
1458         if (edid == NULL)
1459                 edid = intel_sdvo_get_analog_edid(connector);
1460
1461         if (edid != NULL) {
1462                 if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
1463                                                       edid)) {
1464                         drm_mode_connector_update_edid_property(connector, edid);
1465                         drm_add_edid_modes(connector, edid);
1466                 }
1467
1468                 connector->display_info.raw_edid = NULL;
1469                 kfree(edid);
1470         }
1471 }
1472
1473 /*
1474  * Set of SDVO TV modes.
1475  * Note!  This is in reply order (see loop in get_tv_modes).
1476  * XXX: all 60Hz refresh?
1477  */
1478 static const struct drm_display_mode sdvo_tv_modes[] = {
1479         { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1480                    416, 0, 200, 201, 232, 233, 0,
1481                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1482         { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1483                    416, 0, 240, 241, 272, 273, 0,
1484                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1485         { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1486                    496, 0, 300, 301, 332, 333, 0,
1487                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1488         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1489                    736, 0, 350, 351, 382, 383, 0,
1490                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1491         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1492                    736, 0, 400, 401, 432, 433, 0,
1493                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1494         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1495                    736, 0, 480, 481, 512, 513, 0,
1496                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1497         { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1498                    800, 0, 480, 481, 512, 513, 0,
1499                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1500         { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1501                    800, 0, 576, 577, 608, 609, 0,
1502                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1503         { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1504                    816, 0, 350, 351, 382, 383, 0,
1505                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1506         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1507                    816, 0, 400, 401, 432, 433, 0,
1508                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1509         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1510                    816, 0, 480, 481, 512, 513, 0,
1511                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1512         { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1513                    816, 0, 540, 541, 572, 573, 0,
1514                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1515         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1516                    816, 0, 576, 577, 608, 609, 0,
1517                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1518         { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1519                    864, 0, 576, 577, 608, 609, 0,
1520                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1521         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1522                    896, 0, 600, 601, 632, 633, 0,
1523                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1524         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1525                    928, 0, 624, 625, 656, 657, 0,
1526                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1527         { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1528                    1016, 0, 766, 767, 798, 799, 0,
1529                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1530         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1531                    1120, 0, 768, 769, 800, 801, 0,
1532                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1533         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1534                    1376, 0, 1024, 1025, 1056, 1057, 0,
1535                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1536 };
1537
1538 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1539 {
1540         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1541         struct intel_sdvo_sdtv_resolution_request tv_res;
1542         uint32_t reply = 0, format_map = 0;
1543         int i;
1544
1545         /* Read the list of supported input resolutions for the selected TV
1546          * format.
1547          */
1548         format_map = 1 << intel_sdvo->tv_format_index;
1549         memcpy(&tv_res, &format_map,
1550                min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1551
1552         if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1553                 return;
1554
1555         BUILD_BUG_ON(sizeof(tv_res) != 3);
1556         if (!intel_sdvo_write_cmd(intel_sdvo,
1557                                   SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1558                                   &tv_res, sizeof(tv_res)))
1559                 return;
1560         if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1561                 return;
1562
1563         for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1564                 if (reply & (1 << i)) {
1565                         struct drm_display_mode *nmode;
1566                         nmode = drm_mode_duplicate(connector->dev,
1567                                                    &sdvo_tv_modes[i]);
1568                         if (nmode)
1569                                 drm_mode_probed_add(connector, nmode);
1570                 }
1571 }
1572
1573 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1574 {
1575         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1576         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1577         struct drm_display_mode *newmode;
1578
1579         /*
1580          * Attempt to get the mode list from DDC.
1581          * Assume that the preferred modes are
1582          * arranged in priority order.
1583          */
1584         intel_ddc_get_modes(connector, intel_sdvo->i2c);
1585         if (list_empty(&connector->probed_modes) == false)
1586                 goto end;
1587
1588         /* Fetch modes from VBT */
1589         if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1590                 newmode = drm_mode_duplicate(connector->dev,
1591                                              dev_priv->sdvo_lvds_vbt_mode);
1592                 if (newmode != NULL) {
1593                         /* Guarantee the mode is preferred */
1594                         newmode->type = (DRM_MODE_TYPE_PREFERRED |
1595                                          DRM_MODE_TYPE_DRIVER);
1596                         drm_mode_probed_add(connector, newmode);
1597                 }
1598         }
1599
1600 end:
1601         list_for_each_entry(newmode, &connector->probed_modes, head) {
1602                 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1603                         intel_sdvo->sdvo_lvds_fixed_mode =
1604                                 drm_mode_duplicate(connector->dev, newmode);
1605
1606                         intel_sdvo->is_lvds = true;
1607                         break;
1608                 }
1609         }
1610
1611 }
1612
1613 static int intel_sdvo_get_modes(struct drm_connector *connector)
1614 {
1615         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1616
1617         if (IS_TV(intel_sdvo_connector))
1618                 intel_sdvo_get_tv_modes(connector);
1619         else if (IS_LVDS(intel_sdvo_connector))
1620                 intel_sdvo_get_lvds_modes(connector);
1621         else
1622                 intel_sdvo_get_ddc_modes(connector);
1623
1624         return !list_empty(&connector->probed_modes);
1625 }
1626
1627 static void
1628 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1629 {
1630         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1631         struct drm_device *dev = connector->dev;
1632
1633         if (intel_sdvo_connector->left)
1634                 drm_property_destroy(dev, intel_sdvo_connector->left);
1635         if (intel_sdvo_connector->right)
1636                 drm_property_destroy(dev, intel_sdvo_connector->right);
1637         if (intel_sdvo_connector->top)
1638                 drm_property_destroy(dev, intel_sdvo_connector->top);
1639         if (intel_sdvo_connector->bottom)
1640                 drm_property_destroy(dev, intel_sdvo_connector->bottom);
1641         if (intel_sdvo_connector->hpos)
1642                 drm_property_destroy(dev, intel_sdvo_connector->hpos);
1643         if (intel_sdvo_connector->vpos)
1644                 drm_property_destroy(dev, intel_sdvo_connector->vpos);
1645         if (intel_sdvo_connector->saturation)
1646                 drm_property_destroy(dev, intel_sdvo_connector->saturation);
1647         if (intel_sdvo_connector->contrast)
1648                 drm_property_destroy(dev, intel_sdvo_connector->contrast);
1649         if (intel_sdvo_connector->hue)
1650                 drm_property_destroy(dev, intel_sdvo_connector->hue);
1651         if (intel_sdvo_connector->sharpness)
1652                 drm_property_destroy(dev, intel_sdvo_connector->sharpness);
1653         if (intel_sdvo_connector->flicker_filter)
1654                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
1655         if (intel_sdvo_connector->flicker_filter_2d)
1656                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
1657         if (intel_sdvo_connector->flicker_filter_adaptive)
1658                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
1659         if (intel_sdvo_connector->tv_luma_filter)
1660                 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
1661         if (intel_sdvo_connector->tv_chroma_filter)
1662                 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
1663         if (intel_sdvo_connector->dot_crawl)
1664                 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
1665         if (intel_sdvo_connector->brightness)
1666                 drm_property_destroy(dev, intel_sdvo_connector->brightness);
1667 }
1668
1669 static void intel_sdvo_destroy(struct drm_connector *connector)
1670 {
1671         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1672
1673         if (intel_sdvo_connector->tv_format)
1674                 drm_property_destroy(connector->dev,
1675                                      intel_sdvo_connector->tv_format);
1676
1677         intel_sdvo_destroy_enhance_property(connector);
1678         drm_sysfs_connector_remove(connector);
1679         drm_connector_cleanup(connector);
1680         kfree(connector);
1681 }
1682
1683 static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
1684 {
1685         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1686         struct edid *edid;
1687         bool has_audio = false;
1688
1689         if (!intel_sdvo->is_hdmi)
1690                 return false;
1691
1692         edid = intel_sdvo_get_edid(connector);
1693         if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
1694                 has_audio = drm_detect_monitor_audio(edid);
1695         kfree(edid);
1696
1697         return has_audio;
1698 }
1699
1700 static int
1701 intel_sdvo_set_property(struct drm_connector *connector,
1702                         struct drm_property *property,
1703                         uint64_t val)
1704 {
1705         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1706         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1707         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1708         uint16_t temp_value;
1709         uint8_t cmd;
1710         int ret;
1711
1712         ret = drm_connector_property_set_value(connector, property, val);
1713         if (ret)
1714                 return ret;
1715
1716         if (property == dev_priv->force_audio_property) {
1717                 int i = val;
1718                 bool has_audio;
1719
1720                 if (i == intel_sdvo_connector->force_audio)
1721                         return 0;
1722
1723                 intel_sdvo_connector->force_audio = i;
1724
1725                 if (i == HDMI_AUDIO_AUTO)
1726                         has_audio = intel_sdvo_detect_hdmi_audio(connector);
1727                 else
1728                         has_audio = (i == HDMI_AUDIO_ON);
1729
1730                 if (has_audio == intel_sdvo->has_hdmi_audio)
1731                         return 0;
1732
1733                 intel_sdvo->has_hdmi_audio = has_audio;
1734                 goto done;
1735         }
1736
1737         if (property == dev_priv->broadcast_rgb_property) {
1738                 if (val == !!intel_sdvo->color_range)
1739                         return 0;
1740
1741                 intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
1742                 goto done;
1743         }
1744
1745 #define CHECK_PROPERTY(name, NAME) \
1746         if (intel_sdvo_connector->name == property) { \
1747                 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
1748                 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1749                 cmd = SDVO_CMD_SET_##NAME; \
1750                 intel_sdvo_connector->cur_##name = temp_value; \
1751                 goto set_value; \
1752         }
1753
1754         if (property == intel_sdvo_connector->tv_format) {
1755                 if (val >= TV_FORMAT_NUM)
1756                         return -EINVAL;
1757
1758                 if (intel_sdvo->tv_format_index ==
1759                     intel_sdvo_connector->tv_format_supported[val])
1760                         return 0;
1761
1762                 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
1763                 goto done;
1764         } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
1765                 temp_value = val;
1766                 if (intel_sdvo_connector->left == property) {
1767                         drm_connector_property_set_value(connector,
1768                                                          intel_sdvo_connector->right, val);
1769                         if (intel_sdvo_connector->left_margin == temp_value)
1770                                 return 0;
1771
1772                         intel_sdvo_connector->left_margin = temp_value;
1773                         intel_sdvo_connector->right_margin = temp_value;
1774                         temp_value = intel_sdvo_connector->max_hscan -
1775                                 intel_sdvo_connector->left_margin;
1776                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1777                         goto set_value;
1778                 } else if (intel_sdvo_connector->right == property) {
1779                         drm_connector_property_set_value(connector,
1780                                                          intel_sdvo_connector->left, val);
1781                         if (intel_sdvo_connector->right_margin == temp_value)
1782                                 return 0;
1783
1784                         intel_sdvo_connector->left_margin = temp_value;
1785                         intel_sdvo_connector->right_margin = temp_value;
1786                         temp_value = intel_sdvo_connector->max_hscan -
1787                                 intel_sdvo_connector->left_margin;
1788                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1789                         goto set_value;
1790                 } else if (intel_sdvo_connector->top == property) {
1791                         drm_connector_property_set_value(connector,
1792                                                          intel_sdvo_connector->bottom, val);
1793                         if (intel_sdvo_connector->top_margin == temp_value)
1794                                 return 0;
1795
1796                         intel_sdvo_connector->top_margin = temp_value;
1797                         intel_sdvo_connector->bottom_margin = temp_value;
1798                         temp_value = intel_sdvo_connector->max_vscan -
1799                                 intel_sdvo_connector->top_margin;
1800                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1801                         goto set_value;
1802                 } else if (intel_sdvo_connector->bottom == property) {
1803                         drm_connector_property_set_value(connector,
1804                                                          intel_sdvo_connector->top, val);
1805                         if (intel_sdvo_connector->bottom_margin == temp_value)
1806                                 return 0;
1807
1808                         intel_sdvo_connector->top_margin = temp_value;
1809                         intel_sdvo_connector->bottom_margin = temp_value;
1810                         temp_value = intel_sdvo_connector->max_vscan -
1811                                 intel_sdvo_connector->top_margin;
1812                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1813                         goto set_value;
1814                 }
1815                 CHECK_PROPERTY(hpos, HPOS)
1816                 CHECK_PROPERTY(vpos, VPOS)
1817                 CHECK_PROPERTY(saturation, SATURATION)
1818                 CHECK_PROPERTY(contrast, CONTRAST)
1819                 CHECK_PROPERTY(hue, HUE)
1820                 CHECK_PROPERTY(brightness, BRIGHTNESS)
1821                 CHECK_PROPERTY(sharpness, SHARPNESS)
1822                 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1823                 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1824                 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1825                 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1826                 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1827                 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1828         }
1829
1830         return -EINVAL; /* unknown property */
1831
1832 set_value:
1833         if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
1834                 return -EIO;
1835
1836
1837 done:
1838         if (intel_sdvo->base.base.crtc) {
1839                 struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
1840                 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1841                                          crtc->y, crtc->fb);
1842         }
1843
1844         return 0;
1845 #undef CHECK_PROPERTY
1846 }
1847
1848 static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
1849         .dpms = intel_sdvo_dpms,
1850         .mode_fixup = intel_sdvo_mode_fixup,
1851         .prepare = intel_encoder_prepare,
1852         .mode_set = intel_sdvo_mode_set,
1853         .commit = intel_encoder_commit,
1854 };
1855
1856 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
1857         .dpms = drm_helper_connector_dpms,
1858         .detect = intel_sdvo_detect,
1859         .fill_modes = drm_helper_probe_single_connector_modes,
1860         .set_property = intel_sdvo_set_property,
1861         .destroy = intel_sdvo_destroy,
1862 };
1863
1864 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
1865         .get_modes = intel_sdvo_get_modes,
1866         .mode_valid = intel_sdvo_mode_valid,
1867         .best_encoder = intel_best_encoder,
1868 };
1869
1870 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
1871 {
1872         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1873
1874         if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
1875                 drm_mode_destroy(encoder->dev,
1876                                  intel_sdvo->sdvo_lvds_fixed_mode);
1877
1878         i2c_del_adapter(&intel_sdvo->ddc);
1879         intel_encoder_destroy(encoder);
1880 }
1881
1882 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
1883         .destroy = intel_sdvo_enc_destroy,
1884 };
1885
1886 static void
1887 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
1888 {
1889         uint16_t mask = 0;
1890         unsigned int num_bits;
1891
1892         /* Make a mask of outputs less than or equal to our own priority in the
1893          * list.
1894          */
1895         switch (sdvo->controlled_output) {
1896         case SDVO_OUTPUT_LVDS1:
1897                 mask |= SDVO_OUTPUT_LVDS1;
1898         case SDVO_OUTPUT_LVDS0:
1899                 mask |= SDVO_OUTPUT_LVDS0;
1900         case SDVO_OUTPUT_TMDS1:
1901                 mask |= SDVO_OUTPUT_TMDS1;
1902         case SDVO_OUTPUT_TMDS0:
1903                 mask |= SDVO_OUTPUT_TMDS0;
1904         case SDVO_OUTPUT_RGB1:
1905                 mask |= SDVO_OUTPUT_RGB1;
1906         case SDVO_OUTPUT_RGB0:
1907                 mask |= SDVO_OUTPUT_RGB0;
1908                 break;
1909         }
1910
1911         /* Count bits to find what number we are in the priority list. */
1912         mask &= sdvo->caps.output_flags;
1913         num_bits = hweight16(mask);
1914         /* If more than 3 outputs, default to DDC bus 3 for now. */
1915         if (num_bits > 3)
1916                 num_bits = 3;
1917
1918         /* Corresponds to SDVO_CONTROL_BUS_DDCx */
1919         sdvo->ddc_bus = 1 << num_bits;
1920 }
1921
1922 /**
1923  * Choose the appropriate DDC bus for control bus switch command for this
1924  * SDVO output based on the controlled output.
1925  *
1926  * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
1927  * outputs, then LVDS outputs.
1928  */
1929 static void
1930 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
1931                           struct intel_sdvo *sdvo, u32 reg)
1932 {
1933         struct sdvo_device_mapping *mapping;
1934
1935         if (sdvo->is_sdvob)
1936                 mapping = &(dev_priv->sdvo_mappings[0]);
1937         else
1938                 mapping = &(dev_priv->sdvo_mappings[1]);
1939
1940         if (mapping->initialized)
1941                 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
1942         else
1943                 intel_sdvo_guess_ddc_bus(sdvo);
1944 }
1945
1946 static void
1947 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
1948                           struct intel_sdvo *sdvo, u32 reg)
1949 {
1950         struct sdvo_device_mapping *mapping;
1951         u8 pin;
1952
1953         if (sdvo->is_sdvob)
1954                 mapping = &dev_priv->sdvo_mappings[0];
1955         else
1956                 mapping = &dev_priv->sdvo_mappings[1];
1957
1958         pin = GMBUS_PORT_DPB;
1959         if (mapping->initialized)
1960                 pin = mapping->i2c_pin;
1961
1962         if (intel_gmbus_is_port_valid(pin)) {
1963                 sdvo->i2c = intel_gmbus_get_adapter(dev_priv, pin);
1964                 intel_gmbus_set_speed(sdvo->i2c, GMBUS_RATE_1MHZ);
1965                 intel_gmbus_force_bit(sdvo->i2c, true);
1966         } else {
1967                 sdvo->i2c = intel_gmbus_get_adapter(dev_priv, GMBUS_PORT_DPB);
1968         }
1969 }
1970
1971 static bool
1972 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
1973 {
1974         return intel_sdvo_check_supp_encode(intel_sdvo);
1975 }
1976
1977 static u8
1978 intel_sdvo_get_slave_addr(struct drm_device *dev, struct intel_sdvo *sdvo)
1979 {
1980         struct drm_i915_private *dev_priv = dev->dev_private;
1981         struct sdvo_device_mapping *my_mapping, *other_mapping;
1982
1983         if (sdvo->is_sdvob) {
1984                 my_mapping = &dev_priv->sdvo_mappings[0];
1985                 other_mapping = &dev_priv->sdvo_mappings[1];
1986         } else {
1987                 my_mapping = &dev_priv->sdvo_mappings[1];
1988                 other_mapping = &dev_priv->sdvo_mappings[0];
1989         }
1990
1991         /* If the BIOS described our SDVO device, take advantage of it. */
1992         if (my_mapping->slave_addr)
1993                 return my_mapping->slave_addr;
1994
1995         /* If the BIOS only described a different SDVO device, use the
1996          * address that it isn't using.
1997          */
1998         if (other_mapping->slave_addr) {
1999                 if (other_mapping->slave_addr == 0x70)
2000                         return 0x72;
2001                 else
2002                         return 0x70;
2003         }
2004
2005         /* No SDVO device info is found for another DVO port,
2006          * so use mapping assumption we had before BIOS parsing.
2007          */
2008         if (sdvo->is_sdvob)
2009                 return 0x70;
2010         else
2011                 return 0x72;
2012 }
2013
2014 static void
2015 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2016                           struct intel_sdvo *encoder)
2017 {
2018         drm_connector_init(encoder->base.base.dev,
2019                            &connector->base.base,
2020                            &intel_sdvo_connector_funcs,
2021                            connector->base.base.connector_type);
2022
2023         drm_connector_helper_add(&connector->base.base,
2024                                  &intel_sdvo_connector_helper_funcs);
2025
2026         connector->base.base.interlace_allowed = 1;
2027         connector->base.base.doublescan_allowed = 0;
2028         connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2029
2030         intel_connector_attach_encoder(&connector->base, &encoder->base);
2031         drm_sysfs_connector_add(&connector->base.base);
2032 }
2033
2034 static void
2035 intel_sdvo_add_hdmi_properties(struct intel_sdvo_connector *connector)
2036 {
2037         struct drm_device *dev = connector->base.base.dev;
2038
2039         intel_attach_force_audio_property(&connector->base.base);
2040         if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev))
2041                 intel_attach_broadcast_rgb_property(&connector->base.base);
2042 }
2043
2044 static bool
2045 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2046 {
2047         struct drm_encoder *encoder = &intel_sdvo->base.base;
2048         struct drm_connector *connector;
2049         struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
2050         struct intel_connector *intel_connector;
2051         struct intel_sdvo_connector *intel_sdvo_connector;
2052
2053         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2054         if (!intel_sdvo_connector)
2055                 return false;
2056
2057         if (device == 0) {
2058                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2059                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2060         } else if (device == 1) {
2061                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2062                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2063         }
2064
2065         intel_connector = &intel_sdvo_connector->base;
2066         connector = &intel_connector->base;
2067         if (intel_sdvo_supports_hotplug(intel_sdvo) & (1 << device)) {
2068                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2069                 intel_sdvo->hotplug_active[0] |= 1 << device;
2070                 /* Some SDVO devices have one-shot hotplug interrupts.
2071                  * Ensure that they get re-enabled when an interrupt happens.
2072                  */
2073                 intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
2074                 intel_sdvo_enable_hotplug(intel_encoder);
2075         }
2076         else
2077                 connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2078         encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2079         connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2080
2081         if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2082                 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2083                 intel_sdvo->is_hdmi = true;
2084         }
2085         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2086                                        (1 << INTEL_ANALOG_CLONE_BIT));
2087
2088         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2089         if (intel_sdvo->is_hdmi)
2090                 intel_sdvo_add_hdmi_properties(intel_sdvo_connector);
2091
2092         return true;
2093 }
2094
2095 static bool
2096 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2097 {
2098         struct drm_encoder *encoder = &intel_sdvo->base.base;
2099         struct drm_connector *connector;
2100         struct intel_connector *intel_connector;
2101         struct intel_sdvo_connector *intel_sdvo_connector;
2102
2103         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2104         if (!intel_sdvo_connector)
2105                 return false;
2106
2107         intel_connector = &intel_sdvo_connector->base;
2108         connector = &intel_connector->base;
2109         encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2110         connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2111
2112         intel_sdvo->controlled_output |= type;
2113         intel_sdvo_connector->output_flag = type;
2114
2115         intel_sdvo->is_tv = true;
2116         intel_sdvo->base.needs_tv_clock = true;
2117         intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2118
2119         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2120
2121         if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2122                 goto err;
2123
2124         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2125                 goto err;
2126
2127         return true;
2128
2129 err:
2130         intel_sdvo_destroy(connector);
2131         return false;
2132 }
2133
2134 static bool
2135 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2136 {
2137         struct drm_encoder *encoder = &intel_sdvo->base.base;
2138         struct drm_connector *connector;
2139         struct intel_connector *intel_connector;
2140         struct intel_sdvo_connector *intel_sdvo_connector;
2141
2142         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2143         if (!intel_sdvo_connector)
2144                 return false;
2145
2146         intel_connector = &intel_sdvo_connector->base;
2147         connector = &intel_connector->base;
2148         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2149         encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2150         connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2151
2152         if (device == 0) {
2153                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2154                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2155         } else if (device == 1) {
2156                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2157                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2158         }
2159
2160         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2161                                        (1 << INTEL_ANALOG_CLONE_BIT));
2162
2163         intel_sdvo_connector_init(intel_sdvo_connector,
2164                                   intel_sdvo);
2165         return true;
2166 }
2167
2168 static bool
2169 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2170 {
2171         struct drm_encoder *encoder = &intel_sdvo->base.base;
2172         struct drm_connector *connector;
2173         struct intel_connector *intel_connector;
2174         struct intel_sdvo_connector *intel_sdvo_connector;
2175
2176         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2177         if (!intel_sdvo_connector)
2178                 return false;
2179
2180         intel_connector = &intel_sdvo_connector->base;
2181         connector = &intel_connector->base;
2182         encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2183         connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2184
2185         if (device == 0) {
2186                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2187                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2188         } else if (device == 1) {
2189                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2190                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2191         }
2192
2193         intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
2194                                        (1 << INTEL_SDVO_LVDS_CLONE_BIT));
2195
2196         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2197         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2198                 goto err;
2199
2200         return true;
2201
2202 err:
2203         intel_sdvo_destroy(connector);
2204         return false;
2205 }
2206
2207 static bool
2208 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2209 {
2210         intel_sdvo->is_tv = false;
2211         intel_sdvo->base.needs_tv_clock = false;
2212         intel_sdvo->is_lvds = false;
2213
2214         /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2215
2216         if (flags & SDVO_OUTPUT_TMDS0)
2217                 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2218                         return false;
2219
2220         if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2221                 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2222                         return false;
2223
2224         /* TV has no XXX1 function block */
2225         if (flags & SDVO_OUTPUT_SVID0)
2226                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2227                         return false;
2228
2229         if (flags & SDVO_OUTPUT_CVBS0)
2230                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2231                         return false;
2232
2233         if (flags & SDVO_OUTPUT_YPRPB0)
2234                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_YPRPB0))
2235                         return false;
2236
2237         if (flags & SDVO_OUTPUT_RGB0)
2238                 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2239                         return false;
2240
2241         if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2242                 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2243                         return false;
2244
2245         if (flags & SDVO_OUTPUT_LVDS0)
2246                 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2247                         return false;
2248
2249         if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2250                 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2251                         return false;
2252
2253         if ((flags & SDVO_OUTPUT_MASK) == 0) {
2254                 unsigned char bytes[2];
2255
2256                 intel_sdvo->controlled_output = 0;
2257                 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2258                 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2259                               SDVO_NAME(intel_sdvo),
2260                               bytes[0], bytes[1]);
2261                 return false;
2262         }
2263         intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
2264
2265         return true;
2266 }
2267
2268 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2269                                           struct intel_sdvo_connector *intel_sdvo_connector,
2270                                           int type)
2271 {
2272         struct drm_device *dev = intel_sdvo->base.base.dev;
2273         struct intel_sdvo_tv_format format;
2274         uint32_t format_map, i;
2275
2276         if (!intel_sdvo_set_target_output(intel_sdvo, type))
2277                 return false;
2278
2279         BUILD_BUG_ON(sizeof(format) != 6);
2280         if (!intel_sdvo_get_value(intel_sdvo,
2281                                   SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2282                                   &format, sizeof(format)))
2283                 return false;
2284
2285         memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2286
2287         if (format_map == 0)
2288                 return false;
2289
2290         intel_sdvo_connector->format_supported_num = 0;
2291         for (i = 0 ; i < TV_FORMAT_NUM; i++)
2292                 if (format_map & (1 << i))
2293                         intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2294
2295
2296         intel_sdvo_connector->tv_format =
2297                         drm_property_create(dev, DRM_MODE_PROP_ENUM,
2298                                             "mode", intel_sdvo_connector->format_supported_num);
2299         if (!intel_sdvo_connector->tv_format)
2300                 return false;
2301
2302         for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2303                 drm_property_add_enum(
2304                                 intel_sdvo_connector->tv_format, i,
2305                                 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2306
2307         intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2308         drm_connector_attach_property(&intel_sdvo_connector->base.base,
2309                                       intel_sdvo_connector->tv_format, 0);
2310         return true;
2311
2312 }
2313
2314 #define ENHANCEMENT(name, NAME) do { \
2315         if (enhancements.name) { \
2316                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2317                     !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2318                         return false; \
2319                 intel_sdvo_connector->max_##name = data_value[0]; \
2320                 intel_sdvo_connector->cur_##name = response; \
2321                 intel_sdvo_connector->name = \
2322                         drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2323                 if (!intel_sdvo_connector->name) return false; \
2324                 drm_connector_attach_property(connector, \
2325                                               intel_sdvo_connector->name, \
2326                                               intel_sdvo_connector->cur_##name); \
2327                 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2328                               data_value[0], data_value[1], response); \
2329         } \
2330 } while (0)
2331
2332 static bool
2333 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2334                                       struct intel_sdvo_connector *intel_sdvo_connector,
2335                                       struct intel_sdvo_enhancements_reply enhancements)
2336 {
2337         struct drm_device *dev = intel_sdvo->base.base.dev;
2338         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2339         uint16_t response, data_value[2];
2340
2341         /* when horizontal overscan is supported, Add the left/right  property */
2342         if (enhancements.overscan_h) {
2343                 if (!intel_sdvo_get_value(intel_sdvo,
2344                                           SDVO_CMD_GET_MAX_OVERSCAN_H,
2345                                           &data_value, 4))
2346                         return false;
2347
2348                 if (!intel_sdvo_get_value(intel_sdvo,
2349                                           SDVO_CMD_GET_OVERSCAN_H,
2350                                           &response, 2))
2351                         return false;
2352
2353                 intel_sdvo_connector->max_hscan = data_value[0];
2354                 intel_sdvo_connector->left_margin = data_value[0] - response;
2355                 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2356                 intel_sdvo_connector->left =
2357                         drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
2358                 if (!intel_sdvo_connector->left)
2359                         return false;
2360
2361                 drm_connector_attach_property(connector,
2362                                               intel_sdvo_connector->left,
2363                                               intel_sdvo_connector->left_margin);
2364
2365                 intel_sdvo_connector->right =
2366                         drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
2367                 if (!intel_sdvo_connector->right)
2368                         return false;
2369
2370                 drm_connector_attach_property(connector,
2371                                               intel_sdvo_connector->right,
2372                                               intel_sdvo_connector->right_margin);
2373                 DRM_DEBUG_KMS("h_overscan: max %d, "
2374                               "default %d, current %d\n",
2375                               data_value[0], data_value[1], response);
2376         }
2377
2378         if (enhancements.overscan_v) {
2379                 if (!intel_sdvo_get_value(intel_sdvo,
2380                                           SDVO_CMD_GET_MAX_OVERSCAN_V,
2381                                           &data_value, 4))
2382                         return false;
2383
2384                 if (!intel_sdvo_get_value(intel_sdvo,
2385                                           SDVO_CMD_GET_OVERSCAN_V,
2386                                           &response, 2))
2387                         return false;
2388
2389                 intel_sdvo_connector->max_vscan = data_value[0];
2390                 intel_sdvo_connector->top_margin = data_value[0] - response;
2391                 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2392                 intel_sdvo_connector->top =
2393                         drm_property_create_range(dev, 0,
2394                                             "top_margin", 0, data_value[0]);
2395                 if (!intel_sdvo_connector->top)
2396                         return false;
2397
2398                 drm_connector_attach_property(connector,
2399                                               intel_sdvo_connector->top,
2400                                               intel_sdvo_connector->top_margin);
2401
2402                 intel_sdvo_connector->bottom =
2403                         drm_property_create_range(dev, 0,
2404                                             "bottom_margin", 0, data_value[0]);
2405                 if (!intel_sdvo_connector->bottom)
2406                         return false;
2407
2408                 drm_connector_attach_property(connector,
2409                                               intel_sdvo_connector->bottom,
2410                                               intel_sdvo_connector->bottom_margin);
2411                 DRM_DEBUG_KMS("v_overscan: max %d, "
2412                               "default %d, current %d\n",
2413                               data_value[0], data_value[1], response);
2414         }
2415
2416         ENHANCEMENT(hpos, HPOS);
2417         ENHANCEMENT(vpos, VPOS);
2418         ENHANCEMENT(saturation, SATURATION);
2419         ENHANCEMENT(contrast, CONTRAST);
2420         ENHANCEMENT(hue, HUE);
2421         ENHANCEMENT(sharpness, SHARPNESS);
2422         ENHANCEMENT(brightness, BRIGHTNESS);
2423         ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2424         ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2425         ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2426         ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2427         ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2428
2429         if (enhancements.dot_crawl) {
2430                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2431                         return false;
2432
2433                 intel_sdvo_connector->max_dot_crawl = 1;
2434                 intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2435                 intel_sdvo_connector->dot_crawl =
2436                         drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
2437                 if (!intel_sdvo_connector->dot_crawl)
2438                         return false;
2439
2440                 drm_connector_attach_property(connector,
2441                                               intel_sdvo_connector->dot_crawl,
2442                                               intel_sdvo_connector->cur_dot_crawl);
2443                 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2444         }
2445
2446         return true;
2447 }
2448
2449 static bool
2450 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2451                                         struct intel_sdvo_connector *intel_sdvo_connector,
2452                                         struct intel_sdvo_enhancements_reply enhancements)
2453 {
2454         struct drm_device *dev = intel_sdvo->base.base.dev;
2455         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2456         uint16_t response, data_value[2];
2457
2458         ENHANCEMENT(brightness, BRIGHTNESS);
2459
2460         return true;
2461 }
2462 #undef ENHANCEMENT
2463
2464 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2465                                                struct intel_sdvo_connector *intel_sdvo_connector)
2466 {
2467         union {
2468                 struct intel_sdvo_enhancements_reply reply;
2469                 uint16_t response;
2470         } enhancements;
2471
2472         BUILD_BUG_ON(sizeof(enhancements) != 2);
2473
2474         enhancements.response = 0;
2475         intel_sdvo_get_value(intel_sdvo,
2476                              SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2477                              &enhancements, sizeof(enhancements));
2478         if (enhancements.response == 0) {
2479                 DRM_DEBUG_KMS("No enhancement is supported\n");
2480                 return true;
2481         }
2482
2483         if (IS_TV(intel_sdvo_connector))
2484                 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2485         else if (IS_LVDS(intel_sdvo_connector))
2486                 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2487         else
2488                 return true;
2489 }
2490
2491 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2492                                      struct i2c_msg *msgs,
2493                                      int num)
2494 {
2495         struct intel_sdvo *sdvo = adapter->algo_data;
2496
2497         if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2498                 return -EIO;
2499
2500         return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2501 }
2502
2503 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2504 {
2505         struct intel_sdvo *sdvo = adapter->algo_data;
2506         return sdvo->i2c->algo->functionality(sdvo->i2c);
2507 }
2508
2509 static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
2510         .master_xfer    = intel_sdvo_ddc_proxy_xfer,
2511         .functionality  = intel_sdvo_ddc_proxy_func
2512 };
2513
2514 static bool
2515 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
2516                           struct drm_device *dev)
2517 {
2518         sdvo->ddc.owner = THIS_MODULE;
2519         sdvo->ddc.class = I2C_CLASS_DDC;
2520         snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2521         sdvo->ddc.dev.parent = &dev->pdev->dev;
2522         sdvo->ddc.algo_data = sdvo;
2523         sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
2524
2525         return i2c_add_adapter(&sdvo->ddc) == 0;
2526 }
2527
2528 bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
2529 {
2530         struct drm_i915_private *dev_priv = dev->dev_private;
2531         struct intel_encoder *intel_encoder;
2532         struct intel_sdvo *intel_sdvo;
2533         u32 hotplug_mask;
2534         int i;
2535
2536         intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);
2537         if (!intel_sdvo)
2538                 return false;
2539
2540         intel_sdvo->sdvo_reg = sdvo_reg;
2541         intel_sdvo->is_sdvob = is_sdvob;
2542         intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, intel_sdvo) >> 1;
2543         intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
2544         if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev)) {
2545                 kfree(intel_sdvo);
2546                 return false;
2547         }
2548
2549         /* encoder type will be decided later */
2550         intel_encoder = &intel_sdvo->base;
2551         intel_encoder->type = INTEL_OUTPUT_SDVO;
2552         drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
2553
2554         /* Read the regs to test if we can talk to the device */
2555         for (i = 0; i < 0x40; i++) {
2556                 u8 byte;
2557
2558                 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
2559                         DRM_DEBUG_KMS("No SDVO device found on %s\n",
2560                                       SDVO_NAME(intel_sdvo));
2561                         goto err;
2562                 }
2563         }
2564
2565         hotplug_mask = 0;
2566         if (IS_G4X(dev)) {
2567                 hotplug_mask = intel_sdvo->is_sdvob ?
2568                         SDVOB_HOTPLUG_INT_STATUS_G4X : SDVOC_HOTPLUG_INT_STATUS_G4X;
2569         } else if (IS_GEN4(dev)) {
2570                 hotplug_mask = intel_sdvo->is_sdvob ?
2571                         SDVOB_HOTPLUG_INT_STATUS_I965 : SDVOC_HOTPLUG_INT_STATUS_I965;
2572         } else {
2573                 hotplug_mask = intel_sdvo->is_sdvob ?
2574                         SDVOB_HOTPLUG_INT_STATUS_I915 : SDVOC_HOTPLUG_INT_STATUS_I915;
2575         }
2576         dev_priv->hotplug_supported_mask |= hotplug_mask;
2577
2578         drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
2579
2580         /* In default case sdvo lvds is false */
2581         if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
2582                 goto err;
2583
2584         /* Set up hotplug command - note paranoia about contents of reply.
2585          * We assume that the hardware is in a sane state, and only touch
2586          * the bits we think we understand.
2587          */
2588         intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG,
2589                              &intel_sdvo->hotplug_active, 2);
2590         intel_sdvo->hotplug_active[0] &= ~0x3;
2591
2592         if (intel_sdvo_output_setup(intel_sdvo,
2593                                     intel_sdvo->caps.output_flags) != true) {
2594                 DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
2595                               SDVO_NAME(intel_sdvo));
2596                 goto err;
2597         }
2598
2599         intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
2600
2601         /* Set the input timing to the screen. Assume always input 0. */
2602         if (!intel_sdvo_set_target_input(intel_sdvo))
2603                 goto err;
2604
2605         if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
2606                                                     &intel_sdvo->pixel_clock_min,
2607                                                     &intel_sdvo->pixel_clock_max))
2608                 goto err;
2609
2610         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2611                         "clock range %dMHz - %dMHz, "
2612                         "input 1: %c, input 2: %c, "
2613                         "output 1: %c, output 2: %c\n",
2614                         SDVO_NAME(intel_sdvo),
2615                         intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
2616                         intel_sdvo->caps.device_rev_id,
2617                         intel_sdvo->pixel_clock_min / 1000,
2618                         intel_sdvo->pixel_clock_max / 1000,
2619                         (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2620                         (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2621                         /* check currently supported outputs */
2622                         intel_sdvo->caps.output_flags &
2623                         (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2624                         intel_sdvo->caps.output_flags &
2625                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2626         return true;
2627
2628 err:
2629         drm_encoder_cleanup(&intel_encoder->base);
2630         i2c_del_adapter(&intel_sdvo->ddc);
2631         kfree(intel_sdvo);
2632
2633         return false;
2634 }