drivers/gpu/drm/i915/intel_sdvo.c

   1 /*
   2  * Copyright 2006 Dave Airlie <airlied@linux.ie>
   3  * Copyright © 2006-2007 Intel Corporation
   4  *   Jesse Barnes <jesse.barnes@intel.com>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23  * DEALINGS IN THE SOFTWARE.
  24  *
  25  * Authors:
  26  *      Eric Anholt <eric@anholt.net>
  27  */
  28 #include <linux/i2c.h>
  29 #include <linux/slab.h>
  30 #include <linux/delay.h>
  31 #include <linux/export.h>
  32 #include "drmP.h"
  33 #include "drm.h"
  34 #include "drm_crtc.h"
  35 #include "drm_edid.h"
  36 #include "intel_drv.h"
  37 #include "i915_drm.h"
  38 #include "i915_drv.h"
  39 #include "intel_sdvo_regs.h"
  40
  41 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
  42 #define SDVO_RGB_MASK  (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
  43 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
  44 #define SDVO_TV_MASK   (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0)
  45
  46 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
  47                         SDVO_TV_MASK)
  48
  49 #define IS_TV(c)        (c->output_flag & SDVO_TV_MASK)
  50 #define IS_TMDS(c)      (c->output_flag & SDVO_TMDS_MASK)
  51 #define IS_LVDS(c)      (c->output_flag & SDVO_LVDS_MASK)
  52 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
  53
  54
  55 static const char *tv_format_names[] = {
  56         "NTSC_M"   , "NTSC_J"  , "NTSC_443",
  57         "PAL_B"    , "PAL_D"   , "PAL_G"   ,
  58         "PAL_H"    , "PAL_I"   , "PAL_M"   ,
  59         "PAL_N"    , "PAL_NC"  , "PAL_60"  ,
  60         "SECAM_B"  , "SECAM_D" , "SECAM_G" ,
  61         "SECAM_K"  , "SECAM_K1", "SECAM_L" ,
  62         "SECAM_60"
  63 };
  64
  65 #define TV_FORMAT_NUM  (sizeof(tv_format_names) / sizeof(*tv_format_names))
  66
  67 struct intel_sdvo {
  68         struct intel_encoder base;
  69
  70         struct i2c_adapter *i2c;
  71         u8 slave_addr;
  72
  73         struct i2c_adapter ddc;
  74
  75         /* Register for the SDVO device: SDVOB or SDVOC */
  76         int sdvo_reg;
  77
  78         /* Active outputs controlled by this SDVO output */
  79         uint16_t controlled_output;
  80
  81         /*
  82          * Capabilities of the SDVO device returned by
  83          * i830_sdvo_get_capabilities()
  84          */
  85         struct intel_sdvo_caps caps;
  86
  87         /* Pixel clock limitations reported by the SDVO device, in kHz */
  88         int pixel_clock_min, pixel_clock_max;
  89
  90         /*
  91         * For multiple function SDVO device,
  92         * this is for current attached outputs.
  93         */
  94         uint16_t attached_output;
  95
  96         /*
  97          * Hotplug activation bits for this device
  98          */
  99         uint8_t hotplug_active[2];
 100
 101         /**
 102          * This is used to select the color range of RBG outputs in HDMI mode.
 103          * It is only valid when using TMDS encoding and 8 bit per color mode.
 104          */
 105         uint32_t color_range;
 106
 107         /**
 108          * This is set if we're going to treat the device as TV-out.
 109          *
 110          * While we have these nice friendly flags for output types that ought
 111          * to decide this for us, the S-Video output on our HDMI+S-Video card
 112          * shows up as RGB1 (VGA).
 113          */
 114         bool is_tv;
 115
 116         /* This is for current tv format name */
 117         int tv_format_index;
 118
 119         /**
 120          * This is set if we treat the device as HDMI, instead of DVI.
 121          */
 122         bool is_hdmi;
 123         bool has_hdmi_monitor;
 124         bool has_hdmi_audio;
 125
 126         /**
 127          * This is set if we detect output of sdvo device as LVDS and
 128          * have a valid fixed mode to use with the panel.
 129          */
 130         bool is_lvds;
 131
 132         /**
 133          * This is sdvo fixed pannel mode pointer
 134          */
 135         struct drm_display_mode *sdvo_lvds_fixed_mode;
 136
 137         /* DDC bus used by this SDVO encoder */
 138         uint8_t ddc_bus;
 139
 140         /* Input timings for adjusted_mode */
 141         struct intel_sdvo_dtd input_dtd;
 142 };
 143
 144 struct intel_sdvo_connector {
 145         struct intel_connector base;
 146
 147         /* Mark the type of connector */
 148         uint16_t output_flag;
 149
 150         int force_audio;
 151
 152         /* This contains all current supported TV format */
 153         u8 tv_format_supported[TV_FORMAT_NUM];
 154         int   format_supported_num;
 155         struct drm_property *tv_format;
 156
 157         /* add the property for the SDVO-TV */
 158         struct drm_property *left;
 159         struct drm_property *right;
 160         struct drm_property *top;
 161         struct drm_property *bottom;
 162         struct drm_property *hpos;
 163         struct drm_property *vpos;
 164         struct drm_property *contrast;
 165         struct drm_property *saturation;
 166         struct drm_property *hue;
 167         struct drm_property *sharpness;
 168         struct drm_property *flicker_filter;
 169         struct drm_property *flicker_filter_adaptive;
 170         struct drm_property *flicker_filter_2d;
 171         struct drm_property *tv_chroma_filter;
 172         struct drm_property *tv_luma_filter;
 173         struct drm_property *dot_crawl;
 174
 175         /* add the property for the SDVO-TV/LVDS */
 176         struct drm_property *brightness;
 177
 178         /* Add variable to record current setting for the above property */
 179         u32     left_margin, right_margin, top_margin, bottom_margin;
 180
 181         /* this is to get the range of margin.*/
 182         u32     max_hscan,  max_vscan;
 183         u32     max_hpos, cur_hpos;
 184         u32     max_vpos, cur_vpos;
 185         u32     cur_brightness, max_brightness;
 186         u32     cur_contrast,   max_contrast;
 187         u32     cur_saturation, max_saturation;
 188         u32     cur_hue,        max_hue;
 189         u32     cur_sharpness,  max_sharpness;
 190         u32     cur_flicker_filter,             max_flicker_filter;
 191         u32     cur_flicker_filter_adaptive,    max_flicker_filter_adaptive;
 192         u32     cur_flicker_filter_2d,          max_flicker_filter_2d;
 193         u32     cur_tv_chroma_filter,   max_tv_chroma_filter;
 194         u32     cur_tv_luma_filter,     max_tv_luma_filter;
 195         u32     cur_dot_crawl,  max_dot_crawl;
 196 };
 197
 198 static struct intel_sdvo *to_intel_sdvo(struct drm_encoder *encoder)
 199 {
 200         return container_of(encoder, struct intel_sdvo, base.base);
 201 }
 202
 203 static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
 204 {
 205         return container_of(intel_attached_encoder(connector),
 206                             struct intel_sdvo, base);
 207 }
 208
 209 static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector)
 210 {
 211         return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);
 212 }
 213
 214 static bool
 215 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
 216 static bool
 217 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
 218                               struct intel_sdvo_connector *intel_sdvo_connector,
 219                               int type);
 220 static bool
 221 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
 222                                    struct intel_sdvo_connector *intel_sdvo_connector);
 223
 224 /**
 225  * Writes the SDVOB or SDVOC with the given value, but always writes both
 226  * SDVOB and SDVOC to work around apparent hardware issues (according to
 227  * comments in the BIOS).
 228  */
 229 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
 230 {
 231         struct drm_device *dev = intel_sdvo->base.base.dev;
 232         struct drm_i915_private *dev_priv = dev->dev_private;
 233         u32 bval = val, cval = val;
 234         int i;
 235
 236         if (intel_sdvo->sdvo_reg == PCH_SDVOB) {
 237                 I915_WRITE(intel_sdvo->sdvo_reg, val);
 238                 I915_READ(intel_sdvo->sdvo_reg);
 239                 return;
 240         }
 241
 242         if (intel_sdvo->sdvo_reg == SDVOB) {
 243                 cval = I915_READ(SDVOC);
 244         } else {
 245                 bval = I915_READ(SDVOB);
 246         }
 247         /*
 248          * Write the registers twice for luck. Sometimes,
 249          * writing them only once doesn't appear to 'stick'.
 250          * The BIOS does this too. Yay, magic
 251          */
 252         for (i = 0; i < 2; i++)
 253         {
 254                 I915_WRITE(SDVOB, bval);
 255                 I915_READ(SDVOB);
 256                 I915_WRITE(SDVOC, cval);
 257                 I915_READ(SDVOC);
 258         }
 259 }
 260
 261 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
 262 {
 263         struct i2c_msg msgs[] = {
 264                 {
 265                         .addr = intel_sdvo->slave_addr,
 266                         .flags = 0,
 267                         .len = 1,
 268                         .buf = &addr,
 269                 },
 270                 {
 271                         .addr = intel_sdvo->slave_addr,
 272                         .flags = I2C_M_RD,
 273                         .len = 1,
 274                         .buf = ch,
 275                 }
 276         };
 277         int ret;
 278
 279         if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
 280                 return true;
 281
 282         DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
 283         return false;
 284 }
 285
 286 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
 287 /** Mapping of command numbers to names, for debug output */
 288 static const struct _sdvo_cmd_name {
 289         u8 cmd;
 290         const char *name;
 291 } sdvo_cmd_names[] = {
 292         SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
 293         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
 294         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
 295         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
 296         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
 297         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
 298         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
 299         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
 300         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
 301         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
 302         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
 303         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
 304         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
 305         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
 306         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
 307         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
 308         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
 309         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 310         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
 311         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 312         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
 313         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
 314         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
 315         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
 316         SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
 317         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
 318         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
 319         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
 320         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
 321         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
 322         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
 323         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
 324         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
 325         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
 326         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
 327         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
 328         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
 329         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
 330         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
 331         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
 332         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
 333         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
 334         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
 335
 336         /* Add the op code for SDVO enhancements */
 337         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
 338         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
 339         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
 340         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
 341         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
 342         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
 343         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
 344         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
 345         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
 346         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
 347         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
 348         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
 349         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
 350         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
 351         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
 352         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
 353         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
 354         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
 355         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
 356         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
 357         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
 358         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
 359         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
 360         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
 361         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
 362         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
 363         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
 364         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
 365         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
 366         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
 367         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
 368         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
 369         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
 370         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
 371         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
 372         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
 373         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
 374         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
 375         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
 376         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
 377         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
 378         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
 379         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
 380         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
 381
 382         /* HDMI op code */
 383         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
 384         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
 385         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
 386         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
 387         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
 388         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
 389         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
 390         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
 391         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
 392         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
 393         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
 394         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
 395         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
 396         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
 397         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
 398         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
 399         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
 400         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
 401         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
 402         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
 403 };
 404
 405 #define IS_SDVOB(reg)   (reg == SDVOB || reg == PCH_SDVOB)
 406 #define SDVO_NAME(svdo) (IS_SDVOB((svdo)->sdvo_reg) ? "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[args_len*2 + 2], status;
 444         struct i2c_msg msgs[args_len + 3];
 445         int i, ret;
 446
 447         intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
 448
 449         for (i = 0; i < args_len; i++) {
 450                 msgs[i].addr = intel_sdvo->slave_addr;
 451                 msgs[i].flags = 0;
 452                 msgs[i].len = 2;
 453                 msgs[i].buf = buf + 2 *i;
 454                 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
 455                 buf[2*i + 1] = ((u8*)args)[i];
 456         }
 457         msgs[i].addr = intel_sdvo->slave_addr;
 458         msgs[i].flags = 0;
 459         msgs[i].len = 2;
 460         msgs[i].buf = buf + 2*i;
 461         buf[2*i + 0] = SDVO_I2C_OPCODE;
 462         buf[2*i + 1] = cmd;
 463
 464         /* the following two are to read the response */
 465         status = SDVO_I2C_CMD_STATUS;
 466         msgs[i+1].addr = intel_sdvo->slave_addr;
 467         msgs[i+1].flags = 0;
 468         msgs[i+1].len = 1;
 469         msgs[i+1].buf = &status;
 470
 471         msgs[i+2].addr = intel_sdvo->slave_addr;
 472         msgs[i+2].flags = I2C_M_RD;
 473         msgs[i+2].len = 1;
 474         msgs[i+2].buf = &status;
 475
 476         ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
 477         if (ret < 0) {
 478                 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
 479                 return false;
 480         }
 481         if (ret != i+3) {
 482                 /* failure in I2C transfer */
 483                 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
 484                 return false;
 485         }
 486
 487         return true;
 488 }
 489
 490 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
 491                                      void *response, int response_len)
 492 {
 493         u8 retry = 5;
 494         u8 status;
 495         int i;
 496
 497         DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));
 498
 499         /*
 500          * The documentation states that all commands will be
 501          * processed within 15µs, and that we need only poll
 502          * the status byte a maximum of 3 times in order for the
 503          * command to be complete.
 504          *
 505          * Check 5 times in case the hardware failed to read the docs.
 506          */
 507         if (!intel_sdvo_read_byte(intel_sdvo,
 508                                   SDVO_I2C_CMD_STATUS,
 509                                   &status))
 510                 goto log_fail;
 511
 512         while (status == SDVO_CMD_STATUS_PENDING && retry--) {
 513                 udelay(15);
 514                 if (!intel_sdvo_read_byte(intel_sdvo,
 515                                           SDVO_I2C_CMD_STATUS,
 516                                           &status))
 517                         goto log_fail;
 518         }
 519
 520         if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
 521                 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
 522         else
 523                 DRM_LOG_KMS("(??? %d)", status);
 524
 525         if (status != SDVO_CMD_STATUS_SUCCESS)
 526                 goto log_fail;
 527
 528         /* Read the command response */
 529         for (i = 0; i < response_len; i++) {
 530                 if (!intel_sdvo_read_byte(intel_sdvo,
 531                                           SDVO_I2C_RETURN_0 + i,
 532                                           &((u8 *)response)[i]))
 533                         goto log_fail;
 534                 DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
 535         }
 536         DRM_LOG_KMS("\n");
 537         return true;
 538
 539 log_fail:
 540         DRM_LOG_KMS("... failed\n");
 541         return false;
 542 }
 543
 544 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
 545 {
 546         if (mode->clock >= 100000)
 547                 return 1;
 548         else if (mode->clock >= 50000)
 549                 return 2;
 550         else
 551                 return 4;
 552 }
 553
 554 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
 555                                               u8 ddc_bus)
 556 {
 557         /* This must be the immediately preceding write before the i2c xfer */
 558         return intel_sdvo_write_cmd(intel_sdvo,
 559                                     SDVO_CMD_SET_CONTROL_BUS_SWITCH,
 560                                     &ddc_bus, 1);
 561 }
 562
 563 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
 564 {
 565         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
 566                 return false;
 567
 568         return intel_sdvo_read_response(intel_sdvo, NULL, 0);
 569 }
 570
 571 static bool
 572 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
 573 {
 574         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
 575                 return false;
 576
 577         return intel_sdvo_read_response(intel_sdvo, value, len);
 578 }
 579
 580 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
 581 {
 582         struct intel_sdvo_set_target_input_args targets = {0};
 583         return intel_sdvo_set_value(intel_sdvo,
 584                                     SDVO_CMD_SET_TARGET_INPUT,
 585                                     &targets, sizeof(targets));
 586 }
 587
 588 /**
 589  * Return whether each input is trained.
 590  *
 591  * This function is making an assumption about the layout of the response,
 592  * which should be checked against the docs.
 593  */
 594 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
 595 {
 596         struct intel_sdvo_get_trained_inputs_response response;
 597
 598         BUILD_BUG_ON(sizeof(response) != 1);
 599         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
 600                                   &response, sizeof(response)))
 601                 return false;
 602
 603         *input_1 = response.input0_trained;
 604         *input_2 = response.input1_trained;
 605         return true;
 606 }
 607
 608 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
 609                                           u16 outputs)
 610 {
 611         return intel_sdvo_set_value(intel_sdvo,
 612                                     SDVO_CMD_SET_ACTIVE_OUTPUTS,
 613                                     &outputs, sizeof(outputs));
 614 }
 615
 616 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
 617                                                int mode)
 618 {
 619         u8 state = SDVO_ENCODER_STATE_ON;
 620
 621         switch (mode) {
 622         case DRM_MODE_DPMS_ON:
 623                 state = SDVO_ENCODER_STATE_ON;
 624                 break;
 625         case DRM_MODE_DPMS_STANDBY:
 626                 state = SDVO_ENCODER_STATE_STANDBY;
 627                 break;
 628         case DRM_MODE_DPMS_SUSPEND:
 629                 state = SDVO_ENCODER_STATE_SUSPEND;
 630                 break;
 631         case DRM_MODE_DPMS_OFF:
 632                 state = SDVO_ENCODER_STATE_OFF;
 633                 break;
 634         }
 635
 636         return intel_sdvo_set_value(intel_sdvo,
 637                                     SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
 638 }
 639
 640 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
 641                                                    int *clock_min,
 642                                                    int *clock_max)
 643 {
 644         struct intel_sdvo_pixel_clock_range clocks;
 645
 646         BUILD_BUG_ON(sizeof(clocks) != 4);
 647         if (!intel_sdvo_get_value(intel_sdvo,
 648                                   SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
 649                                   &clocks, sizeof(clocks)))
 650                 return false;
 651
 652         /* Convert the values from units of 10 kHz to kHz. */
 653         *clock_min = clocks.min * 10;
 654         *clock_max = clocks.max * 10;
 655         return true;
 656 }
 657
 658 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
 659                                          u16 outputs)
 660 {
 661         return intel_sdvo_set_value(intel_sdvo,
 662                                     SDVO_CMD_SET_TARGET_OUTPUT,
 663                                     &outputs, sizeof(outputs));
 664 }
 665
 666 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
 667                                   struct intel_sdvo_dtd *dtd)
 668 {
 669         return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
 670                 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
 671 }
 672
 673 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
 674                                          struct intel_sdvo_dtd *dtd)
 675 {
 676         return intel_sdvo_set_timing(intel_sdvo,
 677                                      SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
 678 }
 679
 680 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
 681                                          struct intel_sdvo_dtd *dtd)
 682 {
 683         return intel_sdvo_set_timing(intel_sdvo,
 684                                      SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
 685 }
 686
 687 static bool
 688 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 689                                          uint16_t clock,
 690                                          uint16_t width,
 691                                          uint16_t height)
 692 {
 693         struct intel_sdvo_preferred_input_timing_args args;
 694
 695         memset(&args, 0, sizeof(args));
 696         args.clock = clock;
 697         args.width = width;
 698         args.height = height;
 699         args.interlace = 0;
 700
 701         if (intel_sdvo->is_lvds &&
 702            (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
 703             intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
 704                 args.scaled = 1;
 705
 706         return intel_sdvo_set_value(intel_sdvo,
 707                                     SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
 708                                     &args, sizeof(args));
 709 }
 710
 711 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 712                                                   struct intel_sdvo_dtd *dtd)
 713 {
 714         BUILD_BUG_ON(sizeof(dtd->part1) != 8);
 715         BUILD_BUG_ON(sizeof(dtd->part2) != 8);
 716         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
 717                                     &dtd->part1, sizeof(dtd->part1)) &&
 718                 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
 719                                      &dtd->part2, sizeof(dtd->part2));
 720 }
 721
 722 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
 723 {
 724         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
 725 }
 726
 727 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
 728                                          const struct drm_display_mode *mode)
 729 {
 730         uint16_t width, height;
 731         uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
 732         uint16_t h_sync_offset, v_sync_offset;
 733
 734         width = mode->crtc_hdisplay;
 735         height = mode->crtc_vdisplay;
 736
 737         /* do some mode translations */
 738         h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
 739         h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
 740
 741         v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
 742         v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
 743
 744         h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
 745         v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
 746
 747         dtd->part1.clock = mode->clock / 10;
 748         dtd->part1.h_active = width & 0xff;
 749         dtd->part1.h_blank = h_blank_len & 0xff;
 750         dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
 751                 ((h_blank_len >> 8) & 0xf);
 752         dtd->part1.v_active = height & 0xff;
 753         dtd->part1.v_blank = v_blank_len & 0xff;
 754         dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
 755                 ((v_blank_len >> 8) & 0xf);
 756
 757         dtd->part2.h_sync_off = h_sync_offset & 0xff;
 758         dtd->part2.h_sync_width = h_sync_len & 0xff;
 759         dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
 760                 (v_sync_len & 0xf);
 761         dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
 762                 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
 763                 ((v_sync_len & 0x30) >> 4);
 764
 765         dtd->part2.dtd_flags = 0x18;
 766         if (mode->flags & DRM_MODE_FLAG_PHSYNC)
 767                 dtd->part2.dtd_flags |= 0x2;
 768         if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 769                 dtd->part2.dtd_flags |= 0x4;
 770
 771         dtd->part2.sdvo_flags = 0;
 772         dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
 773         dtd->part2.reserved = 0;
 774 }
 775
 776 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
 777                                          const struct intel_sdvo_dtd *dtd)
 778 {
 779         mode->hdisplay = dtd->part1.h_active;
 780         mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
 781         mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
 782         mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
 783         mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
 784         mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
 785         mode->htotal = mode->hdisplay + dtd->part1.h_blank;
 786         mode->htotal += (dtd->part1.h_high & 0xf) << 8;
 787
 788         mode->vdisplay = dtd->part1.v_active;
 789         mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
 790         mode->vsync_start = mode->vdisplay;
 791         mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
 792         mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
 793         mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
 794         mode->vsync_end = mode->vsync_start +
 795                 (dtd->part2.v_sync_off_width & 0xf);
 796         mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
 797         mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
 798         mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
 799
 800         mode->clock = dtd->part1.clock * 10;
 801
 802         mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
 803         if (dtd->part2.dtd_flags & 0x2)
 804                 mode->flags |= DRM_MODE_FLAG_PHSYNC;
 805         if (dtd->part2.dtd_flags & 0x4)
 806                 mode->flags |= DRM_MODE_FLAG_PVSYNC;
 807 }
 808
 809 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
 810 {
 811         struct intel_sdvo_encode encode;
 812
 813         BUILD_BUG_ON(sizeof(encode) != 2);
 814         return intel_sdvo_get_value(intel_sdvo,
 815                                   SDVO_CMD_GET_SUPP_ENCODE,
 816                                   &encode, sizeof(encode));
 817 }
 818
 819 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
 820                                   uint8_t mode)
 821 {
 822         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
 823 }
 824
 825 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
 826                                        uint8_t mode)
 827 {
 828         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
 829 }
 830
 831 #if 0
 832 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
 833 {
 834         int i, j;
 835         uint8_t set_buf_index[2];
 836         uint8_t av_split;
 837         uint8_t buf_size;
 838         uint8_t buf[48];
 839         uint8_t *pos;
 840
 841         intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
 842
 843         for (i = 0; i <= av_split; i++) {
 844                 set_buf_index[0] = i; set_buf_index[1] = 0;
 845                 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
 846                                      set_buf_index, 2);
 847                 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
 848                 intel_sdvo_read_response(encoder, &buf_size, 1);
 849
 850                 pos = buf;
 851                 for (j = 0; j <= buf_size; j += 8) {
 852                         intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
 853                                              NULL, 0);
 854                         intel_sdvo_read_response(encoder, pos, 8);
 855                         pos += 8;
 856                 }
 857         }
 858 }
 859 #endif
 860
 861 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
 862 {
 863         struct dip_infoframe avi_if = {
 864                 .type = DIP_TYPE_AVI,
 865                 .ver = DIP_VERSION_AVI,
 866                 .len = DIP_LEN_AVI,
 867         };
 868         uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
 869         uint8_t set_buf_index[2] = { 1, 0 };
 870         uint64_t *data = (uint64_t *)&avi_if;
 871         unsigned i;
 872
 873         intel_dip_infoframe_csum(&avi_if);
 874
 875         if (!intel_sdvo_set_value(intel_sdvo,
 876                                   SDVO_CMD_SET_HBUF_INDEX,
 877                                   set_buf_index, 2))
 878                 return false;
 879
 880         for (i = 0; i < sizeof(avi_if); i += 8) {
 881                 if (!intel_sdvo_set_value(intel_sdvo,
 882                                           SDVO_CMD_SET_HBUF_DATA,
 883                                           data, 8))
 884                         return false;
 885                 data++;
 886         }
 887
 888         return intel_sdvo_set_value(intel_sdvo,
 889                                     SDVO_CMD_SET_HBUF_TXRATE,
 890                                     &tx_rate, 1);
 891 }
 892
 893 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
 894 {
 895         struct intel_sdvo_tv_format format;
 896         uint32_t format_map;
 897
 898         format_map = 1 << intel_sdvo->tv_format_index;
 899         memset(&format, 0, sizeof(format));
 900         memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
 901
 902         BUILD_BUG_ON(sizeof(format) != 6);
 903         return intel_sdvo_set_value(intel_sdvo,
 904                                     SDVO_CMD_SET_TV_FORMAT,
 905                                     &format, sizeof(format));
 906 }
 907
 908 static bool
 909 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
 910                                         struct drm_display_mode *mode)
 911 {
 912         struct intel_sdvo_dtd output_dtd;
 913
 914         if (!intel_sdvo_set_target_output(intel_sdvo,
 915                                           intel_sdvo->attached_output))
 916                 return false;
 917
 918         intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
 919         if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
 920                 return false;
 921
 922         return true;
 923 }
 924
 925 static bool
 926 intel_sdvo_set_input_timings_for_mode(struct intel_sdvo *intel_sdvo,
 927                                         struct drm_display_mode *mode,
 928                                         struct drm_display_mode *adjusted_mode)
 929 {
 930         /* Reset the input timing to the screen. Assume always input 0. */
 931         if (!intel_sdvo_set_target_input(intel_sdvo))
 932                 return false;
 933
 934         if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
 935                                                       mode->clock / 10,
 936                                                       mode->hdisplay,
 937                                                       mode->vdisplay))
 938                 return false;
 939
 940         if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
 941                                                    &intel_sdvo->input_dtd))
 942                 return false;
 943
 944         intel_sdvo_get_mode_from_dtd(adjusted_mode, &intel_sdvo->input_dtd);
 945
 946         drm_mode_set_crtcinfo(adjusted_mode, 0);
 947         return true;
 948 }
 949
 950 static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
 951                                   struct drm_display_mode *mode,
 952                                   struct drm_display_mode *adjusted_mode)
 953 {
 954         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
 955         int multiplier;
 956
 957         /* We need to construct preferred input timings based on our
 958          * output timings.  To do that, we have to set the output
 959          * timings, even though this isn't really the right place in
 960          * the sequence to do it. Oh well.
 961          */
 962         if (intel_sdvo->is_tv) {
 963                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
 964                         return false;
 965
 966                 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
 967                                                              mode,
 968                                                              adjusted_mode);
 969         } else if (intel_sdvo->is_lvds) {
 970                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
 971                                                              intel_sdvo->sdvo_lvds_fixed_mode))
 972                         return false;
 973
 974                 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
 975                                                              mode,
 976                                                              adjusted_mode);
 977         }
 978
 979         /* Make the CRTC code factor in the SDVO pixel multiplier.  The
 980          * SDVO device will factor out the multiplier during mode_set.
 981          */
 982         multiplier = intel_sdvo_get_pixel_multiplier(adjusted_mode);
 983         intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
 984
 985         return true;
 986 }
 987
 988 static void intel_sdvo_mode_set(struct drm_encoder *encoder,
 989                                 struct drm_display_mode *mode,
 990                                 struct drm_display_mode *adjusted_mode)
 991 {
 992         struct drm_device *dev = encoder->dev;
 993         struct drm_i915_private *dev_priv = dev->dev_private;
 994         struct drm_crtc *crtc = encoder->crtc;
 995         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 996         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
 997         u32 sdvox;
 998         struct intel_sdvo_in_out_map in_out;
 999         struct intel_sdvo_dtd input_dtd;
1000         int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
1001         int rate;
1002
1003         if (!mode)
1004                 return;
1005
1006         /* First, set the input mapping for the first input to our controlled
1007          * output. This is only correct if we're a single-input device, in
1008          * which case the first input is the output from the appropriate SDVO
1009          * channel on the motherboard.  In a two-input device, the first input
1010          * will be SDVOB and the second SDVOC.
1011          */
1012         in_out.in0 = intel_sdvo->attached_output;
1013         in_out.in1 = 0;
1014
1015         intel_sdvo_set_value(intel_sdvo,
1016                              SDVO_CMD_SET_IN_OUT_MAP,
1017                              &in_out, sizeof(in_out));
1018
1019         /* Set the output timings to the screen */
1020         if (!intel_sdvo_set_target_output(intel_sdvo,
1021                                           intel_sdvo->attached_output))
1022                 return;
1023
1024         /* We have tried to get input timing in mode_fixup, and filled into
1025          * adjusted_mode.
1026          */
1027         if (intel_sdvo->is_tv || intel_sdvo->is_lvds) {
1028                 input_dtd = intel_sdvo->input_dtd;
1029         } else {
1030                 /* Set the output timing to the screen */
1031                 if (!intel_sdvo_set_target_output(intel_sdvo,
1032                                                   intel_sdvo->attached_output))
1033                         return;
1034
1035                 intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1036                 (void) intel_sdvo_set_output_timing(intel_sdvo, &input_dtd);
1037         }
1038
1039         /* Set the input timing to the screen. Assume always input 0. */
1040         if (!intel_sdvo_set_target_input(intel_sdvo))
1041                 return;
1042
1043         if (intel_sdvo->has_hdmi_monitor) {
1044                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1045                 intel_sdvo_set_colorimetry(intel_sdvo,
1046                                            SDVO_COLORIMETRY_RGB256);
1047                 intel_sdvo_set_avi_infoframe(intel_sdvo);
1048         } else
1049                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1050
1051         if (intel_sdvo->is_tv &&
1052             !intel_sdvo_set_tv_format(intel_sdvo))
1053                 return;
1054
1055         (void) intel_sdvo_set_input_timing(intel_sdvo, &input_dtd);
1056
1057         switch (pixel_multiplier) {
1058         default:
1059         case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1060         case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1061         case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1062         }
1063         if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1064                 return;
1065
1066         /* Set the SDVO control regs. */
1067         if (INTEL_INFO(dev)->gen >= 4) {
1068                 sdvox = 0;
1069                 if (intel_sdvo->is_hdmi)
1070                         sdvox |= intel_sdvo->color_range;
1071                 if (INTEL_INFO(dev)->gen < 5)
1072                         sdvox |= SDVO_BORDER_ENABLE;
1073                 if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
1074                         sdvox |= SDVO_VSYNC_ACTIVE_HIGH;
1075                 if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
1076                         sdvox |= SDVO_HSYNC_ACTIVE_HIGH;
1077         } else {
1078                 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1079                 switch (intel_sdvo->sdvo_reg) {
1080                 case SDVOB:
1081                         sdvox &= SDVOB_PRESERVE_MASK;
1082                         break;
1083                 case SDVOC:
1084                         sdvox &= SDVOC_PRESERVE_MASK;
1085                         break;
1086                 }
1087                 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1088         }
1089         if (intel_crtc->pipe == 1)
1090                 sdvox |= SDVO_PIPE_B_SELECT;
1091         if (intel_sdvo->has_hdmi_audio)
1092                 sdvox |= SDVO_AUDIO_ENABLE;
1093
1094         if (INTEL_INFO(dev)->gen >= 4) {
1095                 /* done in crtc_mode_set as the dpll_md reg must be written early */
1096         } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1097                 /* done in crtc_mode_set as it lives inside the dpll register */
1098         } else {
1099                 sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1100         }
1101
1102         if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1103             INTEL_INFO(dev)->gen < 5)
1104                 sdvox |= SDVO_STALL_SELECT;
1105         intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1106 }
1107
1108 static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1109 {
1110         struct drm_device *dev = encoder->dev;
1111         struct drm_i915_private *dev_priv = dev->dev_private;
1112         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1113         struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
1114         u32 temp;
1115
1116         if (mode != DRM_MODE_DPMS_ON) {
1117                 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1118                 if (0)
1119                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1120
1121                 if (mode == DRM_MODE_DPMS_OFF) {
1122                         temp = I915_READ(intel_sdvo->sdvo_reg);
1123                         if ((temp & SDVO_ENABLE) != 0) {
1124                                 intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
1125                         }
1126                 }
1127         } else {
1128                 bool input1, input2;
1129                 int i;
1130                 u8 status;
1131
1132                 temp = I915_READ(intel_sdvo->sdvo_reg);
1133                 if ((temp & SDVO_ENABLE) == 0)
1134                         intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
1135                 for (i = 0; i < 2; i++)
1136                         intel_wait_for_vblank(dev, intel_crtc->pipe);
1137
1138                 status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1139                 /* Warn if the device reported failure to sync.
1140                  * A lot of SDVO devices fail to notify of sync, but it's
1141                  * a given it the status is a success, we succeeded.
1142                  */
1143                 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1144                         DRM_DEBUG_KMS("First %s output reported failure to "
1145                                         "sync\n", SDVO_NAME(intel_sdvo));
1146                 }
1147
1148                 if (0)
1149                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1150                 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1151         }
1152         return;
1153 }
1154
1155 static int intel_sdvo_mode_valid(struct drm_connector *connector,
1156                                  struct drm_display_mode *mode)
1157 {
1158         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1159
1160         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1161                 return MODE_NO_DBLESCAN;
1162
1163         if (intel_sdvo->pixel_clock_min > mode->clock)
1164                 return MODE_CLOCK_LOW;
1165
1166         if (intel_sdvo->pixel_clock_max < mode->clock)
1167                 return MODE_CLOCK_HIGH;
1168
1169         if (intel_sdvo->is_lvds) {
1170                 if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1171                         return MODE_PANEL;
1172
1173                 if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1174                         return MODE_PANEL;
1175         }
1176
1177         return MODE_OK;
1178 }
1179
1180 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1181 {
1182         BUILD_BUG_ON(sizeof(*caps) != 8);
1183         if (!intel_sdvo_get_value(intel_sdvo,
1184                                   SDVO_CMD_GET_DEVICE_CAPS,
1185                                   caps, sizeof(*caps)))
1186                 return false;
1187
1188         DRM_DEBUG_KMS("SDVO capabilities:\n"
1189                       "  vendor_id: %d\n"
1190                       "  device_id: %d\n"
1191                       "  device_rev_id: %d\n"
1192                       "  sdvo_version_major: %d\n"
1193                       "  sdvo_version_minor: %d\n"
1194                       "  sdvo_inputs_mask: %d\n"
1195                       "  smooth_scaling: %d\n"
1196                       "  sharp_scaling: %d\n"
1197                       "  up_scaling: %d\n"
1198                       "  down_scaling: %d\n"
1199                       "  stall_support: %d\n"
1200                       "  output_flags: %d\n",
1201                       caps->vendor_id,
1202                       caps->device_id,
1203                       caps->device_rev_id,
1204                       caps->sdvo_version_major,
1205                       caps->sdvo_version_minor,
1206                       caps->sdvo_inputs_mask,
1207                       caps->smooth_scaling,
1208                       caps->sharp_scaling,
1209                       caps->up_scaling,
1210                       caps->down_scaling,
1211                       caps->stall_support,
1212                       caps->output_flags);
1213
1214         return true;
1215 }
1216
1217 static int intel_sdvo_supports_hotplug(struct intel_sdvo *intel_sdvo)
1218 {
1219         u8 response[2];
1220
1221         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1222                                     &response, 2) && response[0];
1223 }
1224
1225 static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
1226 {
1227         struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1228
1229         intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &intel_sdvo->hotplug_active, 2);
1230 }
1231
1232 static bool
1233 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1234 {
1235         /* Is there more than one type of output? */
1236         return hweight16(intel_sdvo->caps.output_flags) > 1;
1237 }
1238
1239 static struct edid *
1240 intel_sdvo_get_edid(struct drm_connector *connector)
1241 {
1242         struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
1243         return drm_get_edid(connector, &sdvo->ddc);
1244 }
1245
1246 /* Mac mini hack -- use the same DDC as the analog connector */
1247 static struct edid *
1248 intel_sdvo_get_analog_edid(struct drm_connector *connector)
1249 {
1250         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1251
1252         return drm_get_edid(connector,
1253                             &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
1254 }
1255
1256 enum drm_connector_status
1257 intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
1258 {
1259         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1260         enum drm_connector_status status;
1261         struct edid *edid;
1262
1263         edid = intel_sdvo_get_edid(connector);
1264
1265         if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1266                 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1267
1268                 /*
1269                  * Don't use the 1 as the argument of DDC bus switch to get
1270                  * the EDID. It is used for SDVO SPD ROM.
1271                  */
1272                 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1273                         intel_sdvo->ddc_bus = ddc;
1274                         edid = intel_sdvo_get_edid(connector);
1275                         if (edid)
1276                                 break;
1277                 }
1278                 /*
1279                  * If we found the EDID on the other bus,
1280                  * assume that is the correct DDC bus.
1281                  */
1282                 if (edid == NULL)
1283                         intel_sdvo->ddc_bus = saved_ddc;
1284         }
1285
1286         /*
1287          * When there is no edid and no monitor is connected with VGA
1288          * port, try to use the CRT ddc to read the EDID for DVI-connector.
1289          */
1290         if (edid == NULL)
1291                 edid = intel_sdvo_get_analog_edid(connector);
1292
1293         status = connector_status_unknown;
1294         if (edid != NULL) {
1295                 /* DDC bus is shared, match EDID to connector type */
1296                 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1297                         status = connector_status_connected;
1298                         if (intel_sdvo->is_hdmi) {
1299                                 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1300                                 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1301                         }
1302                 } else
1303                         status = connector_status_disconnected;
1304                 connector->display_info.raw_edid = NULL;
1305                 kfree(edid);
1306         }
1307
1308         if (status == connector_status_connected) {
1309                 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1310                 if (intel_sdvo_connector->force_audio)
1311                         intel_sdvo->has_hdmi_audio = intel_sdvo_connector->force_audio > 0;
1312         }
1313
1314         return status;
1315 }
1316
1317 static enum drm_connector_status
1318 intel_sdvo_detect(struct drm_connector *connector, bool force)
1319 {
1320         uint16_t response;
1321         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1322         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1323         enum drm_connector_status ret;
1324
1325         if (!intel_sdvo_write_cmd(intel_sdvo,
1326                                   SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
1327                 return connector_status_unknown;
1328
1329         /* add 30ms delay when the output type might be TV */
1330         if (intel_sdvo->caps.output_flags &
1331             (SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_CVBS0))
1332                 mdelay(30);
1333
1334         if (!intel_sdvo_read_response(intel_sdvo, &response, 2))
1335                 return connector_status_unknown;
1336
1337         DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1338                       response & 0xff, response >> 8,
1339                       intel_sdvo_connector->output_flag);
1340
1341         if (response == 0)
1342                 return connector_status_disconnected;
1343
1344         intel_sdvo->attached_output = response;
1345
1346         intel_sdvo->has_hdmi_monitor = false;
1347         intel_sdvo->has_hdmi_audio = false;
1348
1349         if ((intel_sdvo_connector->output_flag & response) == 0)
1350                 ret = connector_status_disconnected;
1351         else if (IS_TMDS(intel_sdvo_connector))
1352                 ret = intel_sdvo_tmds_sink_detect(connector);
1353         else {
1354                 struct edid *edid;
1355
1356                 /* if we have an edid check it matches the connection */
1357                 edid = intel_sdvo_get_edid(connector);
1358                 if (edid == NULL)
1359                         edid = intel_sdvo_get_analog_edid(connector);
1360                 if (edid != NULL) {
1361                         if (edid->input & DRM_EDID_INPUT_DIGITAL)
1362                                 ret = connector_status_disconnected;
1363                         else
1364                                 ret = connector_status_connected;
1365                         connector->display_info.raw_edid = NULL;
1366                         kfree(edid);
1367                 } else
1368                         ret = connector_status_connected;
1369         }
1370
1371         /* May update encoder flag for like clock for SDVO TV, etc.*/
1372         if (ret == connector_status_connected) {
1373                 intel_sdvo->is_tv = false;
1374                 intel_sdvo->is_lvds = false;
1375                 intel_sdvo->base.needs_tv_clock = false;
1376
1377                 if (response & SDVO_TV_MASK) {
1378                         intel_sdvo->is_tv = true;
1379                         intel_sdvo->base.needs_tv_clock = true;
1380                 }
1381                 if (response & SDVO_LVDS_MASK)
1382                         intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1383         }
1384
1385         return ret;
1386 }
1387
1388 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1389 {
1390         struct edid *edid;
1391
1392         /* set the bus switch and get the modes */
1393         edid = intel_sdvo_get_edid(connector);
1394
1395         /*
1396          * Mac mini hack.  On this device, the DVI-I connector shares one DDC
1397          * link between analog and digital outputs. So, if the regular SDVO
1398          * DDC fails, check to see if the analog output is disconnected, in
1399          * which case we'll look there for the digital DDC data.
1400          */
1401         if (edid == NULL)
1402                 edid = intel_sdvo_get_analog_edid(connector);
1403
1404         if (edid != NULL) {
1405                 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1406                 bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1407                 bool connector_is_digital = !!IS_TMDS(intel_sdvo_connector);
1408
1409                 if (connector_is_digital == monitor_is_digital) {
1410                         drm_mode_connector_update_edid_property(connector, edid);
1411                         drm_add_edid_modes(connector, edid);
1412                 }
1413
1414                 connector->display_info.raw_edid = NULL;
1415                 kfree(edid);
1416         }
1417 }
1418
1419 /*
1420  * Set of SDVO TV modes.
1421  * Note!  This is in reply order (see loop in get_tv_modes).
1422  * XXX: all 60Hz refresh?
1423  */
1424 static const struct drm_display_mode sdvo_tv_modes[] = {
1425         { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1426                    416, 0, 200, 201, 232, 233, 0,
1427                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1428         { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1429                    416, 0, 240, 241, 272, 273, 0,
1430                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1431         { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1432                    496, 0, 300, 301, 332, 333, 0,
1433                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1434         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1435                    736, 0, 350, 351, 382, 383, 0,
1436                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1437         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1438                    736, 0, 400, 401, 432, 433, 0,
1439                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1440         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1441                    736, 0, 480, 481, 512, 513, 0,
1442                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1443         { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1444                    800, 0, 480, 481, 512, 513, 0,
1445                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1446         { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1447                    800, 0, 576, 577, 608, 609, 0,
1448                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1449         { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1450                    816, 0, 350, 351, 382, 383, 0,
1451                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1452         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1453                    816, 0, 400, 401, 432, 433, 0,
1454                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1455         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1456                    816, 0, 480, 481, 512, 513, 0,
1457                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1458         { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1459                    816, 0, 540, 541, 572, 573, 0,
1460                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1461         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1462                    816, 0, 576, 577, 608, 609, 0,
1463                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1464         { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1465                    864, 0, 576, 577, 608, 609, 0,
1466                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1467         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1468                    896, 0, 600, 601, 632, 633, 0,
1469                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1470         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1471                    928, 0, 624, 625, 656, 657, 0,
1472                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1473         { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1474                    1016, 0, 766, 767, 798, 799, 0,
1475                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1476         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1477                    1120, 0, 768, 769, 800, 801, 0,
1478                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1479         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1480                    1376, 0, 1024, 1025, 1056, 1057, 0,
1481                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1482 };
1483
1484 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1485 {
1486         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1487         struct intel_sdvo_sdtv_resolution_request tv_res;
1488         uint32_t reply = 0, format_map = 0;
1489         int i;
1490
1491         /* Read the list of supported input resolutions for the selected TV
1492          * format.
1493          */
1494         format_map = 1 << intel_sdvo->tv_format_index;
1495         memcpy(&tv_res, &format_map,
1496                min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1497
1498         if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1499                 return;
1500
1501         BUILD_BUG_ON(sizeof(tv_res) != 3);
1502         if (!intel_sdvo_write_cmd(intel_sdvo,
1503                                   SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1504                                   &tv_res, sizeof(tv_res)))
1505                 return;
1506         if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1507                 return;
1508
1509         for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1510                 if (reply & (1 << i)) {
1511                         struct drm_display_mode *nmode;
1512                         nmode = drm_mode_duplicate(connector->dev,
1513                                                    &sdvo_tv_modes[i]);
1514                         if (nmode)
1515                                 drm_mode_probed_add(connector, nmode);
1516                 }
1517 }
1518
1519 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1520 {
1521         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1522         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1523         struct drm_display_mode *newmode;
1524
1525         /*
1526          * Attempt to get the mode list from DDC.
1527          * Assume that the preferred modes are
1528          * arranged in priority order.
1529          */
1530         intel_ddc_get_modes(connector, intel_sdvo->i2c);
1531         if (list_empty(&connector->probed_modes) == false)
1532                 goto end;
1533
1534         /* Fetch modes from VBT */
1535         if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1536                 newmode = drm_mode_duplicate(connector->dev,
1537                                              dev_priv->sdvo_lvds_vbt_mode);
1538                 if (newmode != NULL) {
1539                         /* Guarantee the mode is preferred */
1540                         newmode->type = (DRM_MODE_TYPE_PREFERRED |
1541                                          DRM_MODE_TYPE_DRIVER);
1542                         drm_mode_probed_add(connector, newmode);
1543                 }
1544         }
1545
1546 end:
1547         list_for_each_entry(newmode, &connector->probed_modes, head) {
1548                 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1549                         intel_sdvo->sdvo_lvds_fixed_mode =
1550                                 drm_mode_duplicate(connector->dev, newmode);
1551
1552                         drm_mode_set_crtcinfo(intel_sdvo->sdvo_lvds_fixed_mode,
1553                                               0);
1554
1555                         intel_sdvo->is_lvds = true;
1556                         break;
1557                 }
1558         }
1559
1560 }
1561
1562 static int intel_sdvo_get_modes(struct drm_connector *connector)
1563 {
1564         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1565
1566         if (IS_TV(intel_sdvo_connector))
1567                 intel_sdvo_get_tv_modes(connector);
1568         else if (IS_LVDS(intel_sdvo_connector))
1569                 intel_sdvo_get_lvds_modes(connector);
1570         else
1571                 intel_sdvo_get_ddc_modes(connector);
1572
1573         return !list_empty(&connector->probed_modes);
1574 }
1575
1576 static void
1577 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1578 {
1579         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1580         struct drm_device *dev = connector->dev;
1581
1582         if (intel_sdvo_connector->left)
1583                 drm_property_destroy(dev, intel_sdvo_connector->left);
1584         if (intel_sdvo_connector->right)
1585                 drm_property_destroy(dev, intel_sdvo_connector->right);
1586         if (intel_sdvo_connector->top)
1587                 drm_property_destroy(dev, intel_sdvo_connector->top);
1588         if (intel_sdvo_connector->bottom)
1589                 drm_property_destroy(dev, intel_sdvo_connector->bottom);
1590         if (intel_sdvo_connector->hpos)
1591                 drm_property_destroy(dev, intel_sdvo_connector->hpos);
1592         if (intel_sdvo_connector->vpos)
1593                 drm_property_destroy(dev, intel_sdvo_connector->vpos);
1594         if (intel_sdvo_connector->saturation)
1595                 drm_property_destroy(dev, intel_sdvo_connector->saturation);
1596         if (intel_sdvo_connector->contrast)
1597                 drm_property_destroy(dev, intel_sdvo_connector->contrast);
1598         if (intel_sdvo_connector->hue)
1599                 drm_property_destroy(dev, intel_sdvo_connector->hue);
1600         if (intel_sdvo_connector->sharpness)
1601                 drm_property_destroy(dev, intel_sdvo_connector->sharpness);
1602         if (intel_sdvo_connector->flicker_filter)
1603                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
1604         if (intel_sdvo_connector->flicker_filter_2d)
1605                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
1606         if (intel_sdvo_connector->flicker_filter_adaptive)
1607                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
1608         if (intel_sdvo_connector->tv_luma_filter)
1609                 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
1610         if (intel_sdvo_connector->tv_chroma_filter)
1611                 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
1612         if (intel_sdvo_connector->dot_crawl)
1613                 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
1614         if (intel_sdvo_connector->brightness)
1615                 drm_property_destroy(dev, intel_sdvo_connector->brightness);
1616 }
1617
1618 static void intel_sdvo_destroy(struct drm_connector *connector)
1619 {
1620         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1621
1622         if (intel_sdvo_connector->tv_format)
1623                 drm_property_destroy(connector->dev,
1624                                      intel_sdvo_connector->tv_format);
1625
1626         intel_sdvo_destroy_enhance_property(connector);
1627         drm_sysfs_connector_remove(connector);
1628         drm_connector_cleanup(connector);
1629         kfree(connector);
1630 }
1631
1632 static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
1633 {
1634         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1635         struct edid *edid;
1636         bool has_audio = false;
1637
1638         if (!intel_sdvo->is_hdmi)
1639                 return false;
1640
1641         edid = intel_sdvo_get_edid(connector);
1642         if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
1643                 has_audio = drm_detect_monitor_audio(edid);
1644
1645         return has_audio;
1646 }
1647
1648 static int
1649 intel_sdvo_set_property(struct drm_connector *connector,
1650                         struct drm_property *property,
1651                         uint64_t val)
1652 {
1653         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1654         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1655         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1656         uint16_t temp_value;
1657         uint8_t cmd;
1658         int ret;
1659
1660         ret = drm_connector_property_set_value(connector, property, val);
1661         if (ret)
1662                 return ret;
1663
1664         if (property == dev_priv->force_audio_property) {
1665                 int i = val;
1666                 bool has_audio;
1667
1668                 if (i == intel_sdvo_connector->force_audio)
1669                         return 0;
1670
1671                 intel_sdvo_connector->force_audio = i;
1672
1673                 if (i == 0)
1674                         has_audio = intel_sdvo_detect_hdmi_audio(connector);
1675                 else
1676                         has_audio = i > 0;
1677
1678                 if (has_audio == intel_sdvo->has_hdmi_audio)
1679                         return 0;
1680
1681                 intel_sdvo->has_hdmi_audio = has_audio;
1682                 goto done;
1683         }
1684
1685         if (property == dev_priv->broadcast_rgb_property) {
1686                 if (val == !!intel_sdvo->color_range)
1687                         return 0;
1688
1689                 intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
1690                 goto done;
1691         }
1692
1693 #define CHECK_PROPERTY(name, NAME) \
1694         if (intel_sdvo_connector->name == property) { \
1695                 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
1696                 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1697                 cmd = SDVO_CMD_SET_##NAME; \
1698                 intel_sdvo_connector->cur_##name = temp_value; \
1699                 goto set_value; \
1700         }
1701
1702         if (property == intel_sdvo_connector->tv_format) {
1703                 if (val >= TV_FORMAT_NUM)
1704                         return -EINVAL;
1705
1706                 if (intel_sdvo->tv_format_index ==
1707                     intel_sdvo_connector->tv_format_supported[val])
1708                         return 0;
1709
1710                 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
1711                 goto done;
1712         } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
1713                 temp_value = val;
1714                 if (intel_sdvo_connector->left == property) {
1715                         drm_connector_property_set_value(connector,
1716                                                          intel_sdvo_connector->right, val);
1717                         if (intel_sdvo_connector->left_margin == temp_value)
1718                                 return 0;
1719
1720                         intel_sdvo_connector->left_margin = temp_value;
1721                         intel_sdvo_connector->right_margin = temp_value;
1722                         temp_value = intel_sdvo_connector->max_hscan -
1723                                 intel_sdvo_connector->left_margin;
1724                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1725                         goto set_value;
1726                 } else if (intel_sdvo_connector->right == property) {
1727                         drm_connector_property_set_value(connector,
1728                                                          intel_sdvo_connector->left, val);
1729                         if (intel_sdvo_connector->right_margin == temp_value)
1730                                 return 0;
1731
1732                         intel_sdvo_connector->left_margin = temp_value;
1733                         intel_sdvo_connector->right_margin = temp_value;
1734                         temp_value = intel_sdvo_connector->max_hscan -
1735                                 intel_sdvo_connector->left_margin;
1736                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1737                         goto set_value;
1738                 } else if (intel_sdvo_connector->top == property) {
1739                         drm_connector_property_set_value(connector,
1740                                                          intel_sdvo_connector->bottom, val);
1741                         if (intel_sdvo_connector->top_margin == temp_value)
1742                                 return 0;
1743
1744                         intel_sdvo_connector->top_margin = temp_value;
1745                         intel_sdvo_connector->bottom_margin = temp_value;
1746                         temp_value = intel_sdvo_connector->max_vscan -
1747                                 intel_sdvo_connector->top_margin;
1748                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1749                         goto set_value;
1750                 } else if (intel_sdvo_connector->bottom == property) {
1751                         drm_connector_property_set_value(connector,
1752                                                          intel_sdvo_connector->top, val);
1753                         if (intel_sdvo_connector->bottom_margin == temp_value)
1754                                 return 0;
1755
1756                         intel_sdvo_connector->top_margin = temp_value;
1757                         intel_sdvo_connector->bottom_margin = temp_value;
1758                         temp_value = intel_sdvo_connector->max_vscan -
1759                                 intel_sdvo_connector->top_margin;
1760                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1761                         goto set_value;
1762                 }
1763                 CHECK_PROPERTY(hpos, HPOS)
1764                 CHECK_PROPERTY(vpos, VPOS)
1765                 CHECK_PROPERTY(saturation, SATURATION)
1766                 CHECK_PROPERTY(contrast, CONTRAST)
1767                 CHECK_PROPERTY(hue, HUE)
1768                 CHECK_PROPERTY(brightness, BRIGHTNESS)
1769                 CHECK_PROPERTY(sharpness, SHARPNESS)
1770                 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1771                 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1772                 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1773                 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1774                 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1775                 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1776         }
1777
1778         return -EINVAL; /* unknown property */
1779
1780 set_value:
1781         if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
1782                 return -EIO;
1783
1784
1785 done:
1786         if (intel_sdvo->base.base.crtc) {
1787                 struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
1788                 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1789                                          crtc->y, crtc->fb);
1790         }
1791
1792         return 0;
1793 #undef CHECK_PROPERTY
1794 }
1795
1796 static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
1797         .dpms = intel_sdvo_dpms,
1798         .mode_fixup = intel_sdvo_mode_fixup,
1799         .prepare = intel_encoder_prepare,
1800         .mode_set = intel_sdvo_mode_set,
1801         .commit = intel_encoder_commit,
1802 };
1803
1804 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
1805         .dpms = drm_helper_connector_dpms,
1806         .detect = intel_sdvo_detect,
1807         .fill_modes = drm_helper_probe_single_connector_modes,
1808         .set_property = intel_sdvo_set_property,
1809         .destroy = intel_sdvo_destroy,
1810 };
1811
1812 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
1813         .get_modes = intel_sdvo_get_modes,
1814         .mode_valid = intel_sdvo_mode_valid,
1815         .best_encoder = intel_best_encoder,
1816 };
1817
1818 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
1819 {
1820         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1821
1822         if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
1823                 drm_mode_destroy(encoder->dev,
1824                                  intel_sdvo->sdvo_lvds_fixed_mode);
1825
1826         i2c_del_adapter(&intel_sdvo->ddc);
1827         intel_encoder_destroy(encoder);
1828 }
1829
1830 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
1831         .destroy = intel_sdvo_enc_destroy,
1832 };
1833
1834 static void
1835 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
1836 {
1837         uint16_t mask = 0;
1838         unsigned int num_bits;
1839
1840         /* Make a mask of outputs less than or equal to our own priority in the
1841          * list.
1842          */
1843         switch (sdvo->controlled_output) {
1844         case SDVO_OUTPUT_LVDS1:
1845                 mask |= SDVO_OUTPUT_LVDS1;
1846         case SDVO_OUTPUT_LVDS0:
1847                 mask |= SDVO_OUTPUT_LVDS0;
1848         case SDVO_OUTPUT_TMDS1:
1849                 mask |= SDVO_OUTPUT_TMDS1;
1850         case SDVO_OUTPUT_TMDS0:
1851                 mask |= SDVO_OUTPUT_TMDS0;
1852         case SDVO_OUTPUT_RGB1:
1853                 mask |= SDVO_OUTPUT_RGB1;
1854         case SDVO_OUTPUT_RGB0:
1855                 mask |= SDVO_OUTPUT_RGB0;
1856                 break;
1857         }
1858
1859         /* Count bits to find what number we are in the priority list. */
1860         mask &= sdvo->caps.output_flags;
1861         num_bits = hweight16(mask);
1862         /* If more than 3 outputs, default to DDC bus 3 for now. */
1863         if (num_bits > 3)
1864                 num_bits = 3;
1865
1866         /* Corresponds to SDVO_CONTROL_BUS_DDCx */
1867         sdvo->ddc_bus = 1 << num_bits;
1868 }
1869
1870 /**
1871  * Choose the appropriate DDC bus for control bus switch command for this
1872  * SDVO output based on the controlled output.
1873  *
1874  * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
1875  * outputs, then LVDS outputs.
1876  */
1877 static void
1878 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
1879                           struct intel_sdvo *sdvo, u32 reg)
1880 {
1881         struct sdvo_device_mapping *mapping;
1882
1883         if (IS_SDVOB(reg))
1884                 mapping = &(dev_priv->sdvo_mappings[0]);
1885         else
1886                 mapping = &(dev_priv->sdvo_mappings[1]);
1887
1888         if (mapping->initialized)
1889                 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
1890         else
1891                 intel_sdvo_guess_ddc_bus(sdvo);
1892 }
1893
1894 static void
1895 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
1896                           struct intel_sdvo *sdvo, u32 reg)
1897 {
1898         struct sdvo_device_mapping *mapping;
1899         u8 pin;
1900
1901         if (IS_SDVOB(reg))
1902                 mapping = &dev_priv->sdvo_mappings[0];
1903         else
1904                 mapping = &dev_priv->sdvo_mappings[1];
1905
1906         pin = GMBUS_PORT_DPB;
1907         if (mapping->initialized)
1908                 pin = mapping->i2c_pin;
1909
1910         if (pin < GMBUS_NUM_PORTS) {
1911                 sdvo->i2c = &dev_priv->gmbus[pin].adapter;
1912                 intel_gmbus_set_speed(sdvo->i2c, GMBUS_RATE_1MHZ);
1913                 intel_gmbus_force_bit(sdvo->i2c, true);
1914         } else {
1915                 sdvo->i2c = &dev_priv->gmbus[GMBUS_PORT_DPB].adapter;
1916         }
1917 }
1918
1919 static bool
1920 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
1921 {
1922         return intel_sdvo_check_supp_encode(intel_sdvo);
1923 }
1924
1925 static u8
1926 intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
1927 {
1928         struct drm_i915_private *dev_priv = dev->dev_private;
1929         struct sdvo_device_mapping *my_mapping, *other_mapping;
1930
1931         if (IS_SDVOB(sdvo_reg)) {
1932                 my_mapping = &dev_priv->sdvo_mappings[0];
1933                 other_mapping = &dev_priv->sdvo_mappings[1];
1934         } else {
1935                 my_mapping = &dev_priv->sdvo_mappings[1];
1936                 other_mapping = &dev_priv->sdvo_mappings[0];
1937         }
1938
1939         /* If the BIOS described our SDVO device, take advantage of it. */
1940         if (my_mapping->slave_addr)
1941                 return my_mapping->slave_addr;
1942
1943         /* If the BIOS only described a different SDVO device, use the
1944          * address that it isn't using.
1945          */
1946         if (other_mapping->slave_addr) {
1947                 if (other_mapping->slave_addr == 0x70)
1948                         return 0x72;
1949                 else
1950                         return 0x70;
1951         }
1952
1953         /* No SDVO device info is found for another DVO port,
1954          * so use mapping assumption we had before BIOS parsing.
1955          */
1956         if (IS_SDVOB(sdvo_reg))
1957                 return 0x70;
1958         else
1959                 return 0x72;
1960 }
1961
1962 static void
1963 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
1964                           struct intel_sdvo *encoder)
1965 {
1966         drm_connector_init(encoder->base.base.dev,
1967                            &connector->base.base,
1968                            &intel_sdvo_connector_funcs,
1969                            connector->base.base.connector_type);
1970
1971         drm_connector_helper_add(&connector->base.base,
1972                                  &intel_sdvo_connector_helper_funcs);
1973
1974         connector->base.base.interlace_allowed = 0;
1975         connector->base.base.doublescan_allowed = 0;
1976         connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
1977
1978         intel_connector_attach_encoder(&connector->base, &encoder->base);
1979         drm_sysfs_connector_add(&connector->base.base);
1980 }
1981
1982 static void
1983 intel_sdvo_add_hdmi_properties(struct intel_sdvo_connector *connector)
1984 {
1985         struct drm_device *dev = connector->base.base.dev;
1986
1987         intel_attach_force_audio_property(&connector->base.base);
1988         if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev))
1989                 intel_attach_broadcast_rgb_property(&connector->base.base);
1990 }
1991
1992 static bool
1993 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
1994 {
1995         struct drm_encoder *encoder = &intel_sdvo->base.base;
1996         struct drm_connector *connector;
1997         struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
1998         struct intel_connector *intel_connector;
1999         struct intel_sdvo_connector *intel_sdvo_connector;
2000
2001         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2002         if (!intel_sdvo_connector)
2003                 return false;
2004
2005         if (device == 0) {
2006                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2007                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2008         } else if (device == 1) {
2009                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2010                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2011         }
2012
2013         intel_connector = &intel_sdvo_connector->base;
2014         connector = &intel_connector->base;
2015         if (intel_sdvo_supports_hotplug(intel_sdvo) & (1 << device)) {
2016                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2017                 intel_sdvo->hotplug_active[0] |= 1 << device;
2018                 /* Some SDVO devices have one-shot hotplug interrupts.
2019                  * Ensure that they get re-enabled when an interrupt happens.
2020                  */
2021                 intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
2022                 intel_sdvo_enable_hotplug(intel_encoder);
2023         }
2024         else
2025                 connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2026         encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2027         connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2028
2029         if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2030                 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2031                 intel_sdvo->is_hdmi = true;
2032         }
2033         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2034                                        (1 << INTEL_ANALOG_CLONE_BIT));
2035
2036         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2037         if (intel_sdvo->is_hdmi)
2038                 intel_sdvo_add_hdmi_properties(intel_sdvo_connector);
2039
2040         return true;
2041 }
2042
2043 static bool
2044 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2045 {
2046         struct drm_encoder *encoder = &intel_sdvo->base.base;
2047         struct drm_connector *connector;
2048         struct intel_connector *intel_connector;
2049         struct intel_sdvo_connector *intel_sdvo_connector;
2050
2051         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2052         if (!intel_sdvo_connector)
2053                 return false;
2054
2055         intel_connector = &intel_sdvo_connector->base;
2056         connector = &intel_connector->base;
2057         encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2058         connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2059
2060         intel_sdvo->controlled_output |= type;
2061         intel_sdvo_connector->output_flag = type;
2062
2063         intel_sdvo->is_tv = true;
2064         intel_sdvo->base.needs_tv_clock = true;
2065         intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2066
2067         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2068
2069         if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2070                 goto err;
2071
2072         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2073                 goto err;
2074
2075         return true;
2076
2077 err:
2078         intel_sdvo_destroy(connector);
2079         return false;
2080 }
2081
2082 static bool
2083 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2084 {
2085         struct drm_encoder *encoder = &intel_sdvo->base.base;
2086         struct drm_connector *connector;
2087         struct intel_connector *intel_connector;
2088         struct intel_sdvo_connector *intel_sdvo_connector;
2089
2090         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2091         if (!intel_sdvo_connector)
2092                 return false;
2093
2094         intel_connector = &intel_sdvo_connector->base;
2095         connector = &intel_connector->base;
2096         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2097         encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2098         connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2099
2100         if (device == 0) {
2101                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2102                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2103         } else if (device == 1) {
2104                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2105                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2106         }
2107
2108         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2109                                        (1 << INTEL_ANALOG_CLONE_BIT));
2110
2111         intel_sdvo_connector_init(intel_sdvo_connector,
2112                                   intel_sdvo);
2113         return true;
2114 }
2115
2116 static bool
2117 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2118 {
2119         struct drm_encoder *encoder = &intel_sdvo->base.base;
2120         struct drm_connector *connector;
2121         struct intel_connector *intel_connector;
2122         struct intel_sdvo_connector *intel_sdvo_connector;
2123
2124         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2125         if (!intel_sdvo_connector)
2126                 return false;
2127
2128         intel_connector = &intel_sdvo_connector->base;
2129         connector = &intel_connector->base;
2130         encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2131         connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2132
2133         if (device == 0) {
2134                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2135                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2136         } else if (device == 1) {
2137                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2138                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2139         }
2140
2141         intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
2142                                        (1 << INTEL_SDVO_LVDS_CLONE_BIT));
2143
2144         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2145         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2146                 goto err;
2147
2148         return true;
2149
2150 err:
2151         intel_sdvo_destroy(connector);
2152         return false;
2153 }
2154
2155 static bool
2156 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2157 {
2158         intel_sdvo->is_tv = false;
2159         intel_sdvo->base.needs_tv_clock = false;
2160         intel_sdvo->is_lvds = false;
2161
2162         /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2163
2164         if (flags & SDVO_OUTPUT_TMDS0)
2165                 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2166                         return false;
2167
2168         if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2169                 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2170                         return false;
2171
2172         /* TV has no XXX1 function block */
2173         if (flags & SDVO_OUTPUT_SVID0)
2174                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2175                         return false;
2176
2177         if (flags & SDVO_OUTPUT_CVBS0)
2178                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2179                         return false;
2180
2181         if (flags & SDVO_OUTPUT_RGB0)
2182                 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2183                         return false;
2184
2185         if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2186                 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2187                         return false;
2188
2189         if (flags & SDVO_OUTPUT_LVDS0)
2190                 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2191                         return false;
2192
2193         if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2194                 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2195                         return false;
2196
2197         if ((flags & SDVO_OUTPUT_MASK) == 0) {
2198                 unsigned char bytes[2];
2199
2200                 intel_sdvo->controlled_output = 0;
2201                 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2202                 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2203                               SDVO_NAME(intel_sdvo),
2204                               bytes[0], bytes[1]);
2205                 return false;
2206         }
2207         intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
2208
2209         return true;
2210 }
2211
2212 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2213                                           struct intel_sdvo_connector *intel_sdvo_connector,
2214                                           int type)
2215 {
2216         struct drm_device *dev = intel_sdvo->base.base.dev;
2217         struct intel_sdvo_tv_format format;
2218         uint32_t format_map, i;
2219
2220         if (!intel_sdvo_set_target_output(intel_sdvo, type))
2221                 return false;
2222
2223         BUILD_BUG_ON(sizeof(format) != 6);
2224         if (!intel_sdvo_get_value(intel_sdvo,
2225                                   SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2226                                   &format, sizeof(format)))
2227                 return false;
2228
2229         memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2230
2231         if (format_map == 0)
2232                 return false;
2233
2234         intel_sdvo_connector->format_supported_num = 0;
2235         for (i = 0 ; i < TV_FORMAT_NUM; i++)
2236                 if (format_map & (1 << i))
2237                         intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2238
2239
2240         intel_sdvo_connector->tv_format =
2241                         drm_property_create(dev, DRM_MODE_PROP_ENUM,
2242                                             "mode", intel_sdvo_connector->format_supported_num);
2243         if (!intel_sdvo_connector->tv_format)
2244                 return false;
2245
2246         for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2247                 drm_property_add_enum(
2248                                 intel_sdvo_connector->tv_format, i,
2249                                 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2250
2251         intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2252         drm_connector_attach_property(&intel_sdvo_connector->base.base,
2253                                       intel_sdvo_connector->tv_format, 0);
2254         return true;
2255
2256 }
2257
2258 #define ENHANCEMENT(name, NAME) do { \
2259         if (enhancements.name) { \
2260                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2261                     !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2262                         return false; \
2263                 intel_sdvo_connector->max_##name = data_value[0]; \
2264                 intel_sdvo_connector->cur_##name = response; \
2265                 intel_sdvo_connector->name = \
2266                         drm_property_create(dev, DRM_MODE_PROP_RANGE, #name, 2); \
2267                 if (!intel_sdvo_connector->name) return false; \
2268                 intel_sdvo_connector->name->values[0] = 0; \
2269                 intel_sdvo_connector->name->values[1] = data_value[0]; \
2270                 drm_connector_attach_property(connector, \
2271                                               intel_sdvo_connector->name, \
2272                                               intel_sdvo_connector->cur_##name); \
2273                 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2274                               data_value[0], data_value[1], response); \
2275         } \
2276 } while (0)
2277
2278 static bool
2279 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2280                                       struct intel_sdvo_connector *intel_sdvo_connector,
2281                                       struct intel_sdvo_enhancements_reply enhancements)
2282 {
2283         struct drm_device *dev = intel_sdvo->base.base.dev;
2284         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2285         uint16_t response, data_value[2];
2286
2287         /* when horizontal overscan is supported, Add the left/right  property */
2288         if (enhancements.overscan_h) {
2289                 if (!intel_sdvo_get_value(intel_sdvo,
2290                                           SDVO_CMD_GET_MAX_OVERSCAN_H,
2291                                           &data_value, 4))
2292                         return false;
2293
2294                 if (!intel_sdvo_get_value(intel_sdvo,
2295                                           SDVO_CMD_GET_OVERSCAN_H,
2296                                           &response, 2))
2297                         return false;
2298
2299                 intel_sdvo_connector->max_hscan = data_value[0];
2300                 intel_sdvo_connector->left_margin = data_value[0] - response;
2301                 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2302                 intel_sdvo_connector->left =
2303                         drm_property_create(dev, DRM_MODE_PROP_RANGE,
2304                                             "left_margin", 2);
2305                 if (!intel_sdvo_connector->left)
2306                         return false;
2307
2308                 intel_sdvo_connector->left->values[0] = 0;
2309                 intel_sdvo_connector->left->values[1] = data_value[0];
2310                 drm_connector_attach_property(connector,
2311                                               intel_sdvo_connector->left,
2312                                               intel_sdvo_connector->left_margin);
2313
2314                 intel_sdvo_connector->right =
2315                         drm_property_create(dev, DRM_MODE_PROP_RANGE,
2316                                             "right_margin", 2);
2317                 if (!intel_sdvo_connector->right)
2318                         return false;
2319
2320                 intel_sdvo_connector->right->values[0] = 0;
2321                 intel_sdvo_connector->right->values[1] = data_value[0];
2322                 drm_connector_attach_property(connector,
2323                                               intel_sdvo_connector->right,
2324                                               intel_sdvo_connector->right_margin);
2325                 DRM_DEBUG_KMS("h_overscan: max %d, "
2326                               "default %d, current %d\n",
2327                               data_value[0], data_value[1], response);
2328         }
2329
2330         if (enhancements.overscan_v) {
2331                 if (!intel_sdvo_get_value(intel_sdvo,
2332                                           SDVO_CMD_GET_MAX_OVERSCAN_V,
2333                                           &data_value, 4))
2334                         return false;
2335
2336                 if (!intel_sdvo_get_value(intel_sdvo,
2337                                           SDVO_CMD_GET_OVERSCAN_V,
2338                                           &response, 2))
2339                         return false;
2340
2341                 intel_sdvo_connector->max_vscan = data_value[0];
2342                 intel_sdvo_connector->top_margin = data_value[0] - response;
2343                 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2344                 intel_sdvo_connector->top =
2345                         drm_property_create(dev, DRM_MODE_PROP_RANGE,
2346                                             "top_margin", 2);
2347                 if (!intel_sdvo_connector->top)
2348                         return false;
2349
2350                 intel_sdvo_connector->top->values[0] = 0;
2351                 intel_sdvo_connector->top->values[1] = data_value[0];
2352                 drm_connector_attach_property(connector,
2353                                               intel_sdvo_connector->top,
2354                                               intel_sdvo_connector->top_margin);
2355
2356                 intel_sdvo_connector->bottom =
2357                         drm_property_create(dev, DRM_MODE_PROP_RANGE,
2358                                             "bottom_margin", 2);
2359                 if (!intel_sdvo_connector->bottom)
2360                         return false;
2361
2362                 intel_sdvo_connector->bottom->values[0] = 0;
2363                 intel_sdvo_connector->bottom->values[1] = data_value[0];
2364                 drm_connector_attach_property(connector,
2365                                               intel_sdvo_connector->bottom,
2366                                               intel_sdvo_connector->bottom_margin);
2367                 DRM_DEBUG_KMS("v_overscan: max %d, "
2368                               "default %d, current %d\n",
2369                               data_value[0], data_value[1], response);
2370         }
2371
2372         ENHANCEMENT(hpos, HPOS);
2373         ENHANCEMENT(vpos, VPOS);
2374         ENHANCEMENT(saturation, SATURATION);
2375         ENHANCEMENT(contrast, CONTRAST);
2376         ENHANCEMENT(hue, HUE);
2377         ENHANCEMENT(sharpness, SHARPNESS);
2378         ENHANCEMENT(brightness, BRIGHTNESS);
2379         ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2380         ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2381         ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2382         ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2383         ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2384
2385         if (enhancements.dot_crawl) {
2386                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2387                         return false;
2388
2389                 intel_sdvo_connector->max_dot_crawl = 1;
2390                 intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2391                 intel_sdvo_connector->dot_crawl =
2392                         drm_property_create(dev, DRM_MODE_PROP_RANGE, "dot_crawl", 2);
2393                 if (!intel_sdvo_connector->dot_crawl)
2394                         return false;
2395
2396                 intel_sdvo_connector->dot_crawl->values[0] = 0;
2397                 intel_sdvo_connector->dot_crawl->values[1] = 1;
2398                 drm_connector_attach_property(connector,
2399                                               intel_sdvo_connector->dot_crawl,
2400                                               intel_sdvo_connector->cur_dot_crawl);
2401                 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2402         }
2403
2404         return true;
2405 }
2406
2407 static bool
2408 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2409                                         struct intel_sdvo_connector *intel_sdvo_connector,
2410                                         struct intel_sdvo_enhancements_reply enhancements)
2411 {
2412         struct drm_device *dev = intel_sdvo->base.base.dev;
2413         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2414         uint16_t response, data_value[2];
2415
2416         ENHANCEMENT(brightness, BRIGHTNESS);
2417
2418         return true;
2419 }
2420 #undef ENHANCEMENT
2421
2422 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2423                                                struct intel_sdvo_connector *intel_sdvo_connector)
2424 {
2425         union {
2426                 struct intel_sdvo_enhancements_reply reply;
2427                 uint16_t response;
2428         } enhancements;
2429
2430         BUILD_BUG_ON(sizeof(enhancements) != 2);
2431
2432         enhancements.response = 0;
2433         intel_sdvo_get_value(intel_sdvo,
2434                              SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2435                              &enhancements, sizeof(enhancements));
2436         if (enhancements.response == 0) {
2437                 DRM_DEBUG_KMS("No enhancement is supported\n");
2438                 return true;
2439         }
2440
2441         if (IS_TV(intel_sdvo_connector))
2442                 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2443         else if (IS_LVDS(intel_sdvo_connector))
2444                 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2445         else
2446                 return true;
2447 }
2448
2449 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2450                                      struct i2c_msg *msgs,
2451                                      int num)
2452 {
2453         struct intel_sdvo *sdvo = adapter->algo_data;
2454
2455         if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2456                 return -EIO;
2457
2458         return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2459 }
2460
2461 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2462 {
2463         struct intel_sdvo *sdvo = adapter->algo_data;
2464         return sdvo->i2c->algo->functionality(sdvo->i2c);
2465 }
2466
2467 static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
2468         .master_xfer    = intel_sdvo_ddc_proxy_xfer,
2469         .functionality  = intel_sdvo_ddc_proxy_func
2470 };
2471
2472 static bool
2473 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
2474                           struct drm_device *dev)
2475 {
2476         sdvo->ddc.owner = THIS_MODULE;
2477         sdvo->ddc.class = I2C_CLASS_DDC;
2478         snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2479         sdvo->ddc.dev.parent = &dev->pdev->dev;
2480         sdvo->ddc.algo_data = sdvo;
2481         sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
2482
2483         return i2c_add_adapter(&sdvo->ddc) == 0;
2484 }
2485
2486 bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
2487 {
2488         struct drm_i915_private *dev_priv = dev->dev_private;
2489         struct intel_encoder *intel_encoder;
2490         struct intel_sdvo *intel_sdvo;
2491         int i;
2492
2493         intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);
2494         if (!intel_sdvo)
2495                 return false;
2496
2497         intel_sdvo->sdvo_reg = sdvo_reg;
2498         intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, sdvo_reg) >> 1;
2499         intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
2500         if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev)) {
2501                 kfree(intel_sdvo);
2502                 return false;
2503         }
2504
2505         /* encoder type will be decided later */
2506         intel_encoder = &intel_sdvo->base;
2507         intel_encoder->type = INTEL_OUTPUT_SDVO;
2508         drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
2509
2510         /* Read the regs to test if we can talk to the device */
2511         for (i = 0; i < 0x40; i++) {
2512                 u8 byte;
2513
2514                 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
2515                         DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
2516                                       IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2517                         goto err;
2518                 }
2519         }
2520
2521         if (IS_SDVOB(sdvo_reg))
2522                 dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
2523         else
2524                 dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
2525
2526         drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
2527
2528         /* In default case sdvo lvds is false */
2529         if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
2530                 goto err;
2531
2532         /* Set up hotplug command - note paranoia about contents of reply.
2533          * We assume that the hardware is in a sane state, and only touch
2534          * the bits we think we understand.
2535          */
2536         intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG,
2537                              &intel_sdvo->hotplug_active, 2);
2538         intel_sdvo->hotplug_active[0] &= ~0x3;
2539
2540         if (intel_sdvo_output_setup(intel_sdvo,
2541                                     intel_sdvo->caps.output_flags) != true) {
2542                 DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
2543                               IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2544                 goto err;
2545         }
2546
2547         intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
2548
2549         /* Set the input timing to the screen. Assume always input 0. */
2550         if (!intel_sdvo_set_target_input(intel_sdvo))
2551                 goto err;
2552
2553         if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
2554                                                     &intel_sdvo->pixel_clock_min,
2555                                                     &intel_sdvo->pixel_clock_max))
2556                 goto err;
2557
2558         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2559                         "clock range %dMHz - %dMHz, "
2560                         "input 1: %c, input 2: %c, "
2561                         "output 1: %c, output 2: %c\n",
2562                         SDVO_NAME(intel_sdvo),
2563                         intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
2564                         intel_sdvo->caps.device_rev_id,
2565                         intel_sdvo->pixel_clock_min / 1000,
2566                         intel_sdvo->pixel_clock_max / 1000,
2567                         (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2568                         (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2569                         /* check currently supported outputs */
2570                         intel_sdvo->caps.output_flags &
2571                         (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2572                         intel_sdvo->caps.output_flags &
2573                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2574         return true;
2575
2576 err:
2577         drm_encoder_cleanup(&intel_encoder->base);
2578         i2c_del_adapter(&intel_sdvo->ddc);
2579         kfree(intel_sdvo);
2580
2581         return false;
2582 }