drivers/gpu/drm/i915/intel_sdvo.c

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