drivers/gpu/drm/i915/intel_sdvo.c

   1 /*
   2  * Copyright 2006 Dave Airlie <airlied@linux.ie>
   3  * Copyright © 2006-2007 Intel Corporation
   4  *   Jesse Barnes <jesse.barnes@intel.com>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23  * DEALINGS IN THE SOFTWARE.
  24  *
  25  * Authors:
  26  *      Eric Anholt <eric@anholt.net>
  27  */
  28 #include <linux/i2c.h>
  29 #include <linux/slab.h>
  30 #include <linux/delay.h>
  31 #include <linux/export.h>
  32 #include <drm/drmP.h>
  33 #include <drm/drm_crtc.h>
  34 #include <drm/drm_edid.h>
  35 #include "intel_drv.h"
  36 #include <drm/i915_drm.h>
  37 #include "i915_drv.h"
  38 #include "intel_sdvo_regs.h"
  39
  40 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
  41 #define SDVO_RGB_MASK  (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
  42 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
  43 #define SDVO_TV_MASK   (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0)
  44
  45 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
  46                         SDVO_TV_MASK)
  47
  48 #define IS_TV(c)        (c->output_flag & SDVO_TV_MASK)
  49 #define IS_TMDS(c)      (c->output_flag & SDVO_TMDS_MASK)
  50 #define IS_LVDS(c)      (c->output_flag & SDVO_LVDS_MASK)
  51 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
  52 #define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
  53
  54
  55 static const char *tv_format_names[] = {
  56         "NTSC_M"   , "NTSC_J"  , "NTSC_443",
  57         "PAL_B"    , "PAL_D"   , "PAL_G"   ,
  58         "PAL_H"    , "PAL_I"   , "PAL_M"   ,
  59         "PAL_N"    , "PAL_NC"  , "PAL_60"  ,
  60         "SECAM_B"  , "SECAM_D" , "SECAM_G" ,
  61         "SECAM_K"  , "SECAM_K1", "SECAM_L" ,
  62         "SECAM_60"
  63 };
  64
  65 #define TV_FORMAT_NUM  (sizeof(tv_format_names) / sizeof(*tv_format_names))
  66
  67 struct intel_sdvo {
  68         struct intel_encoder base;
  69
  70         struct i2c_adapter *i2c;
  71         u8 slave_addr;
  72
  73         struct i2c_adapter ddc;
  74
  75         /* Register for the SDVO device: SDVOB or SDVOC */
  76         uint32_t sdvo_reg;
  77
  78         /* Active outputs controlled by this SDVO output */
  79         uint16_t controlled_output;
  80
  81         /*
  82          * Capabilities of the SDVO device returned by
  83          * i830_sdvo_get_capabilities()
  84          */
  85         struct intel_sdvo_caps caps;
  86
  87         /* Pixel clock limitations reported by the SDVO device, in kHz */
  88         int pixel_clock_min, pixel_clock_max;
  89
  90         /*
  91         * For multiple function SDVO device,
  92         * this is for current attached outputs.
  93         */
  94         uint16_t attached_output;
  95
  96         /*
  97          * Hotplug activation bits for this device
  98          */
  99         uint16_t hotplug_active;
 100
 101         /**
 102          * This is used to select the color range of RBG outputs in HDMI mode.
 103          * It is only valid when using TMDS encoding and 8 bit per color mode.
 104          */
 105         uint32_t color_range;
 106
 107         /**
 108          * This is set if we're going to treat the device as TV-out.
 109          *
 110          * While we have these nice friendly flags for output types that ought
 111          * to decide this for us, the S-Video output on our HDMI+S-Video card
 112          * shows up as RGB1 (VGA).
 113          */
 114         bool is_tv;
 115
 116         /* On different gens SDVOB is at different places. */
 117         bool is_sdvob;
 118
 119         /* This is for current tv format name */
 120         int tv_format_index;
 121
 122         /**
 123          * This is set if we treat the device as HDMI, instead of DVI.
 124          */
 125         bool is_hdmi;
 126         bool has_hdmi_monitor;
 127         bool has_hdmi_audio;
 128
 129         /**
 130          * This is set if we detect output of sdvo device as LVDS and
 131          * have a valid fixed mode to use with the panel.
 132          */
 133         bool is_lvds;
 134
 135         /**
 136          * This is sdvo fixed pannel mode pointer
 137          */
 138         struct drm_display_mode *sdvo_lvds_fixed_mode;
 139
 140         /* DDC bus used by this SDVO encoder */
 141         uint8_t ddc_bus;
 142
 143         /*
 144          * the sdvo flag gets lost in round trip: dtd->adjusted_mode->dtd
 145          */
 146         uint8_t dtd_sdvo_flags;
 147 };
 148
 149 struct intel_sdvo_connector {
 150         struct intel_connector base;
 151
 152         /* Mark the type of connector */
 153         uint16_t output_flag;
 154
 155         enum hdmi_force_audio force_audio;
 156
 157         /* This contains all current supported TV format */
 158         u8 tv_format_supported[TV_FORMAT_NUM];
 159         int   format_supported_num;
 160         struct drm_property *tv_format;
 161
 162         /* add the property for the SDVO-TV */
 163         struct drm_property *left;
 164         struct drm_property *right;
 165         struct drm_property *top;
 166         struct drm_property *bottom;
 167         struct drm_property *hpos;
 168         struct drm_property *vpos;
 169         struct drm_property *contrast;
 170         struct drm_property *saturation;
 171         struct drm_property *hue;
 172         struct drm_property *sharpness;
 173         struct drm_property *flicker_filter;
 174         struct drm_property *flicker_filter_adaptive;
 175         struct drm_property *flicker_filter_2d;
 176         struct drm_property *tv_chroma_filter;
 177         struct drm_property *tv_luma_filter;
 178         struct drm_property *dot_crawl;
 179
 180         /* add the property for the SDVO-TV/LVDS */
 181         struct drm_property *brightness;
 182
 183         /* Add variable to record current setting for the above property */
 184         u32     left_margin, right_margin, top_margin, bottom_margin;
 185
 186         /* this is to get the range of margin.*/
 187         u32     max_hscan,  max_vscan;
 188         u32     max_hpos, cur_hpos;
 189         u32     max_vpos, cur_vpos;
 190         u32     cur_brightness, max_brightness;
 191         u32     cur_contrast,   max_contrast;
 192         u32     cur_saturation, max_saturation;
 193         u32     cur_hue,        max_hue;
 194         u32     cur_sharpness,  max_sharpness;
 195         u32     cur_flicker_filter,             max_flicker_filter;
 196         u32     cur_flicker_filter_adaptive,    max_flicker_filter_adaptive;
 197         u32     cur_flicker_filter_2d,          max_flicker_filter_2d;
 198         u32     cur_tv_chroma_filter,   max_tv_chroma_filter;
 199         u32     cur_tv_luma_filter,     max_tv_luma_filter;
 200         u32     cur_dot_crawl,  max_dot_crawl;
 201 };
 202
 203 static struct intel_sdvo *to_intel_sdvo(struct drm_encoder *encoder)
 204 {
 205         return container_of(encoder, struct intel_sdvo, base.base);
 206 }
 207
 208 static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
 209 {
 210         return container_of(intel_attached_encoder(connector),
 211                             struct intel_sdvo, base);
 212 }
 213
 214 static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector)
 215 {
 216         return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);
 217 }
 218
 219 static bool
 220 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
 221 static bool
 222 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
 223                               struct intel_sdvo_connector *intel_sdvo_connector,
 224                               int type);
 225 static bool
 226 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
 227                                    struct intel_sdvo_connector *intel_sdvo_connector);
 228
 229 /**
 230  * Writes the SDVOB or SDVOC with the given value, but always writes both
 231  * SDVOB and SDVOC to work around apparent hardware issues (according to
 232  * comments in the BIOS).
 233  */
 234 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
 235 {
 236         struct drm_device *dev = intel_sdvo->base.base.dev;
 237         struct drm_i915_private *dev_priv = dev->dev_private;
 238         u32 bval = val, cval = val;
 239         int i;
 240
 241         if (intel_sdvo->sdvo_reg == PCH_SDVOB) {
 242                 I915_WRITE(intel_sdvo->sdvo_reg, val);
 243                 I915_READ(intel_sdvo->sdvo_reg);
 244                 return;
 245         }
 246
 247         if (intel_sdvo->sdvo_reg == SDVOB) {
 248                 cval = I915_READ(SDVOC);
 249         } else {
 250                 bval = I915_READ(SDVOB);
 251         }
 252         /*
 253          * Write the registers twice for luck. Sometimes,
 254          * writing them only once doesn't appear to 'stick'.
 255          * The BIOS does this too. Yay, magic
 256          */
 257         for (i = 0; i < 2; i++)
 258         {
 259                 I915_WRITE(SDVOB, bval);
 260                 I915_READ(SDVOB);
 261                 I915_WRITE(SDVOC, cval);
 262                 I915_READ(SDVOC);
 263         }
 264 }
 265
 266 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
 267 {
 268         struct i2c_msg msgs[] = {
 269                 {
 270                         .addr = intel_sdvo->slave_addr,
 271                         .flags = 0,
 272                         .len = 1,
 273                         .buf = &addr,
 274                 },
 275                 {
 276                         .addr = intel_sdvo->slave_addr,
 277                         .flags = I2C_M_RD,
 278                         .len = 1,
 279                         .buf = ch,
 280                 }
 281         };
 282         int ret;
 283
 284         if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
 285                 return true;
 286
 287         DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
 288         return false;
 289 }
 290
 291 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
 292 /** Mapping of command numbers to names, for debug output */
 293 static const struct _sdvo_cmd_name {
 294         u8 cmd;
 295         const char *name;
 296 } sdvo_cmd_names[] = {
 297         SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
 298         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
 299         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
 300         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
 301         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
 302         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
 303         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
 304         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
 305         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
 306         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
 307         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
 308         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
 309         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
 310         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
 311         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
 312         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
 313         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
 314         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 315         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
 316         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 317         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
 318         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
 319         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
 320         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
 321         SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
 322         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
 323         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
 324         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
 325         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
 326         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
 327         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
 328         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
 329         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
 330         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
 331         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
 332         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
 333         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
 334         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
 335         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
 336         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
 337         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
 338         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
 339         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
 340
 341         /* Add the op code for SDVO enhancements */
 342         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
 343         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
 344         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
 345         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
 346         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
 347         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
 348         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
 349         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
 350         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
 351         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
 352         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
 353         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
 354         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
 355         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
 356         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
 357         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
 358         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
 359         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
 360         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
 361         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
 362         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
 363         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
 364         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
 365         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
 366         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
 367         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
 368         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
 369         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
 370         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
 371         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
 372         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
 373         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
 374         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
 375         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
 376         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
 377         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
 378         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
 379         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
 380         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
 381         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
 382         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
 383         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
 384         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
 385         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
 386
 387         /* HDMI op code */
 388         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
 389         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
 390         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
 391         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
 392         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
 393         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
 394         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
 395         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
 396         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
 397         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
 398         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
 399         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
 400         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
 401         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
 402         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
 403         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
 404         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
 405         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
 406         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
 407         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
 408 };
 409
 410 #define SDVO_NAME(svdo) ((svdo)->is_sdvob ? "SDVOB" : "SDVOC")
 411
 412 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
 413                                    const void *args, int args_len)
 414 {
 415         int i;
 416
 417         DRM_DEBUG_KMS("%s: W: %02X ",
 418                                 SDVO_NAME(intel_sdvo), cmd);
 419         for (i = 0; i < args_len; i++)
 420                 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
 421         for (; i < 8; i++)
 422                 DRM_LOG_KMS("   ");
 423         for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
 424                 if (cmd == sdvo_cmd_names[i].cmd) {
 425                         DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
 426                         break;
 427                 }
 428         }
 429         if (i == ARRAY_SIZE(sdvo_cmd_names))
 430                 DRM_LOG_KMS("(%02X)", cmd);
 431         DRM_LOG_KMS("\n");
 432 }
 433
 434 static const char *cmd_status_names[] = {
 435         "Power on",
 436         "Success",
 437         "Not supported",
 438         "Invalid arg",
 439         "Pending",
 440         "Target not specified",
 441         "Scaling not supported"
 442 };
 443
 444 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
 445                                  const void *args, int args_len)
 446 {
 447         u8 *buf, status;
 448         struct i2c_msg *msgs;
 449         int i, ret = true;
 450
 451         /* Would be simpler to allocate both in one go ? */
 452         buf = (u8 *)kzalloc(args_len * 2 + 2, GFP_KERNEL);
 453         if (!buf)
 454                 return false;
 455
 456         msgs = kcalloc(args_len + 3, sizeof(*msgs), GFP_KERNEL);
 457         if (!msgs) {
 458                 kfree(buf);
 459                 return false;
 460         }
 461
 462         intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
 463
 464         for (i = 0; i < args_len; i++) {
 465                 msgs[i].addr = intel_sdvo->slave_addr;
 466                 msgs[i].flags = 0;
 467                 msgs[i].len = 2;
 468                 msgs[i].buf = buf + 2 *i;
 469                 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
 470                 buf[2*i + 1] = ((u8*)args)[i];
 471         }
 472         msgs[i].addr = intel_sdvo->slave_addr;
 473         msgs[i].flags = 0;
 474         msgs[i].len = 2;
 475         msgs[i].buf = buf + 2*i;
 476         buf[2*i + 0] = SDVO_I2C_OPCODE;
 477         buf[2*i + 1] = cmd;
 478
 479         /* the following two are to read the response */
 480         status = SDVO_I2C_CMD_STATUS;
 481         msgs[i+1].addr = intel_sdvo->slave_addr;
 482         msgs[i+1].flags = 0;
 483         msgs[i+1].len = 1;
 484         msgs[i+1].buf = &status;
 485
 486         msgs[i+2].addr = intel_sdvo->slave_addr;
 487         msgs[i+2].flags = I2C_M_RD;
 488         msgs[i+2].len = 1;
 489         msgs[i+2].buf = &status;
 490
 491         ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
 492         if (ret < 0) {
 493                 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
 494                 ret = false;
 495                 goto out;
 496         }
 497         if (ret != i+3) {
 498                 /* failure in I2C transfer */
 499                 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
 500                 ret = false;
 501         }
 502
 503 out:
 504         kfree(msgs);
 505         kfree(buf);
 506         return ret;
 507 }
 508
 509 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
 510                                      void *response, int response_len)
 511 {
 512         u8 retry = 5;
 513         u8 status;
 514         int i;
 515
 516         DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));
 517
 518         /*
 519          * The documentation states that all commands will be
 520          * processed within 15µs, and that we need only poll
 521          * the status byte a maximum of 3 times in order for the
 522          * command to be complete.
 523          *
 524          * Check 5 times in case the hardware failed to read the docs.
 525          */
 526         if (!intel_sdvo_read_byte(intel_sdvo,
 527                                   SDVO_I2C_CMD_STATUS,
 528                                   &status))
 529                 goto log_fail;
 530
 531         while (status == SDVO_CMD_STATUS_PENDING && retry--) {
 532                 udelay(15);
 533                 if (!intel_sdvo_read_byte(intel_sdvo,
 534                                           SDVO_I2C_CMD_STATUS,
 535                                           &status))
 536                         goto log_fail;
 537         }
 538
 539         if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
 540                 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
 541         else
 542                 DRM_LOG_KMS("(??? %d)", status);
 543
 544         if (status != SDVO_CMD_STATUS_SUCCESS)
 545                 goto log_fail;
 546
 547         /* Read the command response */
 548         for (i = 0; i < response_len; i++) {
 549                 if (!intel_sdvo_read_byte(intel_sdvo,
 550                                           SDVO_I2C_RETURN_0 + i,
 551                                           &((u8 *)response)[i]))
 552                         goto log_fail;
 553                 DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
 554         }
 555         DRM_LOG_KMS("\n");
 556         return true;
 557
 558 log_fail:
 559         DRM_LOG_KMS("... failed\n");
 560         return false;
 561 }
 562
 563 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
 564 {
 565         if (mode->clock >= 100000)
 566                 return 1;
 567         else if (mode->clock >= 50000)
 568                 return 2;
 569         else
 570                 return 4;
 571 }
 572
 573 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
 574                                               u8 ddc_bus)
 575 {
 576         /* This must be the immediately preceding write before the i2c xfer */
 577         return intel_sdvo_write_cmd(intel_sdvo,
 578                                     SDVO_CMD_SET_CONTROL_BUS_SWITCH,
 579                                     &ddc_bus, 1);
 580 }
 581
 582 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
 583 {
 584         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
 585                 return false;
 586
 587         return intel_sdvo_read_response(intel_sdvo, NULL, 0);
 588 }
 589
 590 static bool
 591 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
 592 {
 593         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
 594                 return false;
 595
 596         return intel_sdvo_read_response(intel_sdvo, value, len);
 597 }
 598
 599 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
 600 {
 601         struct intel_sdvo_set_target_input_args targets = {0};
 602         return intel_sdvo_set_value(intel_sdvo,
 603                                     SDVO_CMD_SET_TARGET_INPUT,
 604                                     &targets, sizeof(targets));
 605 }
 606
 607 /**
 608  * Return whether each input is trained.
 609  *
 610  * This function is making an assumption about the layout of the response,
 611  * which should be checked against the docs.
 612  */
 613 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
 614 {
 615         struct intel_sdvo_get_trained_inputs_response response;
 616
 617         BUILD_BUG_ON(sizeof(response) != 1);
 618         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
 619                                   &response, sizeof(response)))
 620                 return false;
 621
 622         *input_1 = response.input0_trained;
 623         *input_2 = response.input1_trained;
 624         return true;
 625 }
 626
 627 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
 628                                           u16 outputs)
 629 {
 630         return intel_sdvo_set_value(intel_sdvo,
 631                                     SDVO_CMD_SET_ACTIVE_OUTPUTS,
 632                                     &outputs, sizeof(outputs));
 633 }
 634
 635 static bool intel_sdvo_get_active_outputs(struct intel_sdvo *intel_sdvo,
 636                                           u16 *outputs)
 637 {
 638         return intel_sdvo_get_value(intel_sdvo,
 639                                     SDVO_CMD_GET_ACTIVE_OUTPUTS,
 640                                     outputs, sizeof(*outputs));
 641 }
 642
 643 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
 644                                                int mode)
 645 {
 646         u8 state = SDVO_ENCODER_STATE_ON;
 647
 648         switch (mode) {
 649         case DRM_MODE_DPMS_ON:
 650                 state = SDVO_ENCODER_STATE_ON;
 651                 break;
 652         case DRM_MODE_DPMS_STANDBY:
 653                 state = SDVO_ENCODER_STATE_STANDBY;
 654                 break;
 655         case DRM_MODE_DPMS_SUSPEND:
 656                 state = SDVO_ENCODER_STATE_SUSPEND;
 657                 break;
 658         case DRM_MODE_DPMS_OFF:
 659                 state = SDVO_ENCODER_STATE_OFF;
 660                 break;
 661         }
 662
 663         return intel_sdvo_set_value(intel_sdvo,
 664                                     SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
 665 }
 666
 667 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
 668                                                    int *clock_min,
 669                                                    int *clock_max)
 670 {
 671         struct intel_sdvo_pixel_clock_range clocks;
 672
 673         BUILD_BUG_ON(sizeof(clocks) != 4);
 674         if (!intel_sdvo_get_value(intel_sdvo,
 675                                   SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
 676                                   &clocks, sizeof(clocks)))
 677                 return false;
 678
 679         /* Convert the values from units of 10 kHz to kHz. */
 680         *clock_min = clocks.min * 10;
 681         *clock_max = clocks.max * 10;
 682         return true;
 683 }
 684
 685 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
 686                                          u16 outputs)
 687 {
 688         return intel_sdvo_set_value(intel_sdvo,
 689                                     SDVO_CMD_SET_TARGET_OUTPUT,
 690                                     &outputs, sizeof(outputs));
 691 }
 692
 693 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
 694                                   struct intel_sdvo_dtd *dtd)
 695 {
 696         return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
 697                 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
 698 }
 699
 700 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
 701                                          struct intel_sdvo_dtd *dtd)
 702 {
 703         return intel_sdvo_set_timing(intel_sdvo,
 704                                      SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
 705 }
 706
 707 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
 708                                          struct intel_sdvo_dtd *dtd)
 709 {
 710         return intel_sdvo_set_timing(intel_sdvo,
 711                                      SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
 712 }
 713
 714 static bool
 715 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 716                                          uint16_t clock,
 717                                          uint16_t width,
 718                                          uint16_t height)
 719 {
 720         struct intel_sdvo_preferred_input_timing_args args;
 721
 722         memset(&args, 0, sizeof(args));
 723         args.clock = clock;
 724         args.width = width;
 725         args.height = height;
 726         args.interlace = 0;
 727
 728         if (intel_sdvo->is_lvds &&
 729            (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
 730             intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
 731                 args.scaled = 1;
 732
 733         return intel_sdvo_set_value(intel_sdvo,
 734                                     SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
 735                                     &args, sizeof(args));
 736 }
 737
 738 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 739                                                   struct intel_sdvo_dtd *dtd)
 740 {
 741         BUILD_BUG_ON(sizeof(dtd->part1) != 8);
 742         BUILD_BUG_ON(sizeof(dtd->part2) != 8);
 743         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
 744                                     &dtd->part1, sizeof(dtd->part1)) &&
 745                 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
 746                                      &dtd->part2, sizeof(dtd->part2));
 747 }
 748
 749 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
 750 {
 751         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
 752 }
 753
 754 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
 755                                          const struct drm_display_mode *mode)
 756 {
 757         uint16_t width, height;
 758         uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
 759         uint16_t h_sync_offset, v_sync_offset;
 760         int mode_clock;
 761
 762         width = mode->hdisplay;
 763         height = mode->vdisplay;
 764
 765         /* do some mode translations */
 766         h_blank_len = mode->htotal - mode->hdisplay;
 767         h_sync_len = mode->hsync_end - mode->hsync_start;
 768
 769         v_blank_len = mode->vtotal - mode->vdisplay;
 770         v_sync_len = mode->vsync_end - mode->vsync_start;
 771
 772         h_sync_offset = mode->hsync_start - mode->hdisplay;
 773         v_sync_offset = mode->vsync_start - mode->vdisplay;
 774
 775         mode_clock = mode->clock;
 776         mode_clock /= intel_mode_get_pixel_multiplier(mode) ?: 1;
 777         mode_clock /= 10;
 778         dtd->part1.clock = mode_clock;
 779
 780         dtd->part1.h_active = width & 0xff;
 781         dtd->part1.h_blank = h_blank_len & 0xff;
 782         dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
 783                 ((h_blank_len >> 8) & 0xf);
 784         dtd->part1.v_active = height & 0xff;
 785         dtd->part1.v_blank = v_blank_len & 0xff;
 786         dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
 787                 ((v_blank_len >> 8) & 0xf);
 788
 789         dtd->part2.h_sync_off = h_sync_offset & 0xff;
 790         dtd->part2.h_sync_width = h_sync_len & 0xff;
 791         dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
 792                 (v_sync_len & 0xf);
 793         dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
 794                 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
 795                 ((v_sync_len & 0x30) >> 4);
 796
 797         dtd->part2.dtd_flags = 0x18;
 798         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 799                 dtd->part2.dtd_flags |= DTD_FLAG_INTERLACE;
 800         if (mode->flags & DRM_MODE_FLAG_PHSYNC)
 801                 dtd->part2.dtd_flags |= DTD_FLAG_HSYNC_POSITIVE;
 802         if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 803                 dtd->part2.dtd_flags |= DTD_FLAG_VSYNC_POSITIVE;
 804
 805         dtd->part2.sdvo_flags = 0;
 806         dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
 807         dtd->part2.reserved = 0;
 808 }
 809
 810 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
 811                                          const struct intel_sdvo_dtd *dtd)
 812 {
 813         mode->hdisplay = dtd->part1.h_active;
 814         mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
 815         mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
 816         mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
 817         mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
 818         mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
 819         mode->htotal = mode->hdisplay + dtd->part1.h_blank;
 820         mode->htotal += (dtd->part1.h_high & 0xf) << 8;
 821
 822         mode->vdisplay = dtd->part1.v_active;
 823         mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
 824         mode->vsync_start = mode->vdisplay;
 825         mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
 826         mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
 827         mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
 828         mode->vsync_end = mode->vsync_start +
 829                 (dtd->part2.v_sync_off_width & 0xf);
 830         mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
 831         mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
 832         mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
 833
 834         mode->clock = dtd->part1.clock * 10;
 835
 836         mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
 837         if (dtd->part2.dtd_flags & DTD_FLAG_INTERLACE)
 838                 mode->flags |= DRM_MODE_FLAG_INTERLACE;
 839         if (dtd->part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
 840                 mode->flags |= DRM_MODE_FLAG_PHSYNC;
 841         if (dtd->part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
 842                 mode->flags |= DRM_MODE_FLAG_PVSYNC;
 843 }
 844
 845 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
 846 {
 847         struct intel_sdvo_encode encode;
 848
 849         BUILD_BUG_ON(sizeof(encode) != 2);
 850         return intel_sdvo_get_value(intel_sdvo,
 851                                   SDVO_CMD_GET_SUPP_ENCODE,
 852                                   &encode, sizeof(encode));
 853 }
 854
 855 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
 856                                   uint8_t mode)
 857 {
 858         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
 859 }
 860
 861 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
 862                                        uint8_t mode)
 863 {
 864         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
 865 }
 866
 867 #if 0
 868 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
 869 {
 870         int i, j;
 871         uint8_t set_buf_index[2];
 872         uint8_t av_split;
 873         uint8_t buf_size;
 874         uint8_t buf[48];
 875         uint8_t *pos;
 876
 877         intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
 878
 879         for (i = 0; i <= av_split; i++) {
 880                 set_buf_index[0] = i; set_buf_index[1] = 0;
 881                 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
 882                                      set_buf_index, 2);
 883                 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
 884                 intel_sdvo_read_response(encoder, &buf_size, 1);
 885
 886                 pos = buf;
 887                 for (j = 0; j <= buf_size; j += 8) {
 888                         intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
 889                                              NULL, 0);
 890                         intel_sdvo_read_response(encoder, pos, 8);
 891                         pos += 8;
 892                 }
 893         }
 894 }
 895 #endif
 896
 897 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
 898 {
 899         struct dip_infoframe avi_if = {
 900                 .type = DIP_TYPE_AVI,
 901                 .ver = DIP_VERSION_AVI,
 902                 .len = DIP_LEN_AVI,
 903         };
 904         uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
 905         uint8_t set_buf_index[2] = { 1, 0 };
 906         uint8_t sdvo_data[4 + sizeof(avi_if.body.avi)];
 907         uint64_t *data = (uint64_t *)sdvo_data;
 908         unsigned i;
 909
 910         intel_dip_infoframe_csum(&avi_if);
 911
 912         /* sdvo spec says that the ecc is handled by the hw, and it looks like
 913          * we must not send the ecc field, either. */
 914         memcpy(sdvo_data, &avi_if, 3);
 915         sdvo_data[3] = avi_if.checksum;
 916         memcpy(&sdvo_data[4], &avi_if.body, sizeof(avi_if.body.avi));
 917
 918         if (!intel_sdvo_set_value(intel_sdvo,
 919                                   SDVO_CMD_SET_HBUF_INDEX,
 920                                   set_buf_index, 2))
 921                 return false;
 922
 923         for (i = 0; i < sizeof(sdvo_data); i += 8) {
 924                 if (!intel_sdvo_set_value(intel_sdvo,
 925                                           SDVO_CMD_SET_HBUF_DATA,
 926                                           data, 8))
 927                         return false;
 928                 data++;
 929         }
 930
 931         return intel_sdvo_set_value(intel_sdvo,
 932                                     SDVO_CMD_SET_HBUF_TXRATE,
 933                                     &tx_rate, 1);
 934 }
 935
 936 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
 937 {
 938         struct intel_sdvo_tv_format format;
 939         uint32_t format_map;
 940
 941         format_map = 1 << intel_sdvo->tv_format_index;
 942         memset(&format, 0, sizeof(format));
 943         memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
 944
 945         BUILD_BUG_ON(sizeof(format) != 6);
 946         return intel_sdvo_set_value(intel_sdvo,
 947                                     SDVO_CMD_SET_TV_FORMAT,
 948                                     &format, sizeof(format));
 949 }
 950
 951 static bool
 952 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
 953                                         const struct drm_display_mode *mode)
 954 {
 955         struct intel_sdvo_dtd output_dtd;
 956
 957         if (!intel_sdvo_set_target_output(intel_sdvo,
 958                                           intel_sdvo->attached_output))
 959                 return false;
 960
 961         intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
 962         if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
 963                 return false;
 964
 965         return true;
 966 }
 967
 968 /* Asks the sdvo controller for the preferred input mode given the output mode.
 969  * Unfortunately we have to set up the full output mode to do that. */
 970 static bool
 971 intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo,
 972                                     const struct drm_display_mode *mode,
 973                                     struct drm_display_mode *adjusted_mode)
 974 {
 975         struct intel_sdvo_dtd input_dtd;
 976
 977         /* Reset the input timing to the screen. Assume always input 0. */
 978         if (!intel_sdvo_set_target_input(intel_sdvo))
 979                 return false;
 980
 981         if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
 982                                                       mode->clock / 10,
 983                                                       mode->hdisplay,
 984                                                       mode->vdisplay))
 985                 return false;
 986
 987         if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
 988                                                    &input_dtd))
 989                 return false;
 990
 991         intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
 992         intel_sdvo->dtd_sdvo_flags = input_dtd.part2.sdvo_flags;
 993
 994         return true;
 995 }
 996
 997 static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
 998                                   const struct drm_display_mode *mode,
 999                                   struct drm_display_mode *adjusted_mode)
1000 {
1001         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1002         int multiplier;
1003
1004         /* We need to construct preferred input timings based on our
1005          * output timings.  To do that, we have to set the output
1006          * timings, even though this isn't really the right place in
1007          * the sequence to do it. Oh well.
1008          */
1009         if (intel_sdvo->is_tv) {
1010                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
1011                         return false;
1012
1013                 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1014                                                            mode,
1015                                                            adjusted_mode);
1016         } else if (intel_sdvo->is_lvds) {
1017                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
1018                                                              intel_sdvo->sdvo_lvds_fixed_mode))
1019                         return false;
1020
1021                 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1022                                                            mode,
1023                                                            adjusted_mode);
1024         }
1025
1026         /* Make the CRTC code factor in the SDVO pixel multiplier.  The
1027          * SDVO device will factor out the multiplier during mode_set.
1028          */
1029         multiplier = intel_sdvo_get_pixel_multiplier(adjusted_mode);
1030         intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
1031
1032         return true;
1033 }
1034
1035 static void intel_sdvo_mode_set(struct drm_encoder *encoder,
1036                                 struct drm_display_mode *mode,
1037                                 struct drm_display_mode *adjusted_mode)
1038 {
1039         struct drm_device *dev = encoder->dev;
1040         struct drm_i915_private *dev_priv = dev->dev_private;
1041         struct drm_crtc *crtc = encoder->crtc;
1042         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
1043         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1044         u32 sdvox;
1045         struct intel_sdvo_in_out_map in_out;
1046         struct intel_sdvo_dtd input_dtd, output_dtd;
1047         int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
1048         int rate;
1049
1050         if (!mode)
1051                 return;
1052
1053         /* First, set the input mapping for the first input to our controlled
1054          * output. This is only correct if we're a single-input device, in
1055          * which case the first input is the output from the appropriate SDVO
1056          * channel on the motherboard.  In a two-input device, the first input
1057          * will be SDVOB and the second SDVOC.
1058          */
1059         in_out.in0 = intel_sdvo->attached_output;
1060         in_out.in1 = 0;
1061
1062         intel_sdvo_set_value(intel_sdvo,
1063                              SDVO_CMD_SET_IN_OUT_MAP,
1064                              &in_out, sizeof(in_out));
1065
1066         /* Set the output timings to the screen */
1067         if (!intel_sdvo_set_target_output(intel_sdvo,
1068                                           intel_sdvo->attached_output))
1069                 return;
1070
1071         /* lvds has a special fixed output timing. */
1072         if (intel_sdvo->is_lvds)
1073                 intel_sdvo_get_dtd_from_mode(&output_dtd,
1074                                              intel_sdvo->sdvo_lvds_fixed_mode);
1075         else
1076                 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1077         if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
1078                 DRM_INFO("Setting output timings on %s failed\n",
1079                          SDVO_NAME(intel_sdvo));
1080
1081         /* Set the input timing to the screen. Assume always input 0. */
1082         if (!intel_sdvo_set_target_input(intel_sdvo))
1083                 return;
1084
1085         if (intel_sdvo->has_hdmi_monitor) {
1086                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1087                 intel_sdvo_set_colorimetry(intel_sdvo,
1088                                            SDVO_COLORIMETRY_RGB256);
1089                 intel_sdvo_set_avi_infoframe(intel_sdvo);
1090         } else
1091                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1092
1093         if (intel_sdvo->is_tv &&
1094             !intel_sdvo_set_tv_format(intel_sdvo))
1095                 return;
1096
1097         /* We have tried to get input timing in mode_fixup, and filled into
1098          * adjusted_mode.
1099          */
1100         intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1101         if (intel_sdvo->is_tv || intel_sdvo->is_lvds)
1102                 input_dtd.part2.sdvo_flags = intel_sdvo->dtd_sdvo_flags;
1103         if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd))
1104                 DRM_INFO("Setting input timings on %s failed\n",
1105                          SDVO_NAME(intel_sdvo));
1106
1107         switch (pixel_multiplier) {
1108         default:
1109         case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1110         case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1111         case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1112         }
1113         if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1114                 return;
1115
1116         /* Set the SDVO control regs. */
1117         if (INTEL_INFO(dev)->gen >= 4) {
1118                 /* The real mode polarity is set by the SDVO commands, using
1119                  * struct intel_sdvo_dtd. */
1120                 sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
1121                 if (intel_sdvo->is_hdmi)
1122                         sdvox |= intel_sdvo->color_range;
1123                 if (INTEL_INFO(dev)->gen < 5)
1124                         sdvox |= SDVO_BORDER_ENABLE;
1125         } else {
1126                 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1127                 switch (intel_sdvo->sdvo_reg) {
1128                 case SDVOB:
1129                         sdvox &= SDVOB_PRESERVE_MASK;
1130                         break;
1131                 case SDVOC:
1132                         sdvox &= SDVOC_PRESERVE_MASK;
1133                         break;
1134                 }
1135                 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1136         }
1137
1138         if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
1139                 sdvox |= TRANSCODER_CPT(intel_crtc->pipe);
1140         else
1141                 sdvox |= TRANSCODER(intel_crtc->pipe);
1142
1143         if (intel_sdvo->has_hdmi_audio)
1144                 sdvox |= SDVO_AUDIO_ENABLE;
1145
1146         if (INTEL_INFO(dev)->gen >= 4) {
1147                 /* done in crtc_mode_set as the dpll_md reg must be written early */
1148         } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1149                 /* done in crtc_mode_set as it lives inside the dpll register */
1150         } else {
1151                 sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1152         }
1153
1154         if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1155             INTEL_INFO(dev)->gen < 5)
1156                 sdvox |= SDVO_STALL_SELECT;
1157         intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1158 }
1159
1160 static bool intel_sdvo_connector_get_hw_state(struct intel_connector *connector)
1161 {
1162         struct intel_sdvo_connector *intel_sdvo_connector =
1163                 to_intel_sdvo_connector(&connector->base);
1164         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(&connector->base);
1165         u16 active_outputs;
1166
1167         intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
1168
1169         if (active_outputs & intel_sdvo_connector->output_flag)
1170                 return true;
1171         else
1172                 return false;
1173 }
1174
1175 static bool intel_sdvo_get_hw_state(struct intel_encoder *encoder,
1176                                     enum pipe *pipe)
1177 {
1178         struct drm_device *dev = encoder->base.dev;
1179         struct drm_i915_private *dev_priv = dev->dev_private;
1180         struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1181         u32 tmp;
1182
1183         tmp = I915_READ(intel_sdvo->sdvo_reg);
1184
1185         if (!(tmp & SDVO_ENABLE))
1186                 return false;
1187
1188         if (HAS_PCH_CPT(dev))
1189                 *pipe = PORT_TO_PIPE_CPT(tmp);
1190         else
1191                 *pipe = PORT_TO_PIPE(tmp);
1192
1193         return true;
1194 }
1195
1196 static void intel_disable_sdvo(struct intel_encoder *encoder)
1197 {
1198         struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
1199         struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1200         u32 temp;
1201
1202         intel_sdvo_set_active_outputs(intel_sdvo, 0);
1203         if (0)
1204                 intel_sdvo_set_encoder_power_state(intel_sdvo,
1205                                                    DRM_MODE_DPMS_OFF);
1206
1207         temp = I915_READ(intel_sdvo->sdvo_reg);
1208         if ((temp & SDVO_ENABLE) != 0) {
1209                 intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
1210         }
1211 }
1212
1213 static void intel_enable_sdvo(struct intel_encoder *encoder)
1214 {
1215         struct drm_device *dev = encoder->base.dev;
1216         struct drm_i915_private *dev_priv = dev->dev_private;
1217         struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1218         struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
1219         u32 temp;
1220         bool input1, input2;
1221         int i;
1222         u8 status;
1223
1224         temp = I915_READ(intel_sdvo->sdvo_reg);
1225         if ((temp & SDVO_ENABLE) == 0)
1226                 intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
1227         for (i = 0; i < 2; i++)
1228                 intel_wait_for_vblank(dev, intel_crtc->pipe);
1229
1230         status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1231         /* Warn if the device reported failure to sync.
1232          * A lot of SDVO devices fail to notify of sync, but it's
1233          * a given it the status is a success, we succeeded.
1234          */
1235         if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1236                 DRM_DEBUG_KMS("First %s output reported failure to "
1237                                 "sync\n", SDVO_NAME(intel_sdvo));
1238         }
1239
1240         if (0)
1241                 intel_sdvo_set_encoder_power_state(intel_sdvo,
1242                                                    DRM_MODE_DPMS_ON);
1243         intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1244 }
1245
1246 static void intel_sdvo_dpms(struct drm_connector *connector, int mode)
1247 {
1248         struct drm_crtc *crtc;
1249         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1250
1251         /* dvo supports only 2 dpms states. */
1252         if (mode != DRM_MODE_DPMS_ON)
1253                 mode = DRM_MODE_DPMS_OFF;
1254
1255         if (mode == connector->dpms)
1256                 return;
1257
1258         connector->dpms = mode;
1259
1260         /* Only need to change hw state when actually enabled */
1261         crtc = intel_sdvo->base.base.crtc;
1262         if (!crtc) {
1263                 intel_sdvo->base.connectors_active = false;
1264                 return;
1265         }
1266
1267         if (mode != DRM_MODE_DPMS_ON) {
1268                 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1269                 if (0)
1270                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1271
1272                 intel_sdvo->base.connectors_active = false;
1273
1274                 intel_crtc_update_dpms(crtc);
1275         } else {
1276                 intel_sdvo->base.connectors_active = true;
1277
1278                 intel_crtc_update_dpms(crtc);
1279
1280                 if (0)
1281                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1282                 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1283         }
1284
1285         intel_modeset_check_state(connector->dev);
1286 }
1287
1288 static int intel_sdvo_mode_valid(struct drm_connector *connector,
1289                                  struct drm_display_mode *mode)
1290 {
1291         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1292
1293         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1294                 return MODE_NO_DBLESCAN;
1295
1296         if (intel_sdvo->pixel_clock_min > mode->clock)
1297                 return MODE_CLOCK_LOW;
1298
1299         if (intel_sdvo->pixel_clock_max < mode->clock)
1300                 return MODE_CLOCK_HIGH;
1301
1302         if (intel_sdvo->is_lvds) {
1303                 if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1304                         return MODE_PANEL;
1305
1306                 if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1307                         return MODE_PANEL;
1308         }
1309
1310         return MODE_OK;
1311 }
1312
1313 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1314 {
1315         BUILD_BUG_ON(sizeof(*caps) != 8);
1316         if (!intel_sdvo_get_value(intel_sdvo,
1317                                   SDVO_CMD_GET_DEVICE_CAPS,
1318                                   caps, sizeof(*caps)))
1319                 return false;
1320
1321         DRM_DEBUG_KMS("SDVO capabilities:\n"
1322                       "  vendor_id: %d\n"
1323                       "  device_id: %d\n"
1324                       "  device_rev_id: %d\n"
1325                       "  sdvo_version_major: %d\n"
1326                       "  sdvo_version_minor: %d\n"
1327                       "  sdvo_inputs_mask: %d\n"
1328                       "  smooth_scaling: %d\n"
1329                       "  sharp_scaling: %d\n"
1330                       "  up_scaling: %d\n"
1331                       "  down_scaling: %d\n"
1332                       "  stall_support: %d\n"
1333                       "  output_flags: %d\n",
1334                       caps->vendor_id,
1335                       caps->device_id,
1336                       caps->device_rev_id,
1337                       caps->sdvo_version_major,
1338                       caps->sdvo_version_minor,
1339                       caps->sdvo_inputs_mask,
1340                       caps->smooth_scaling,
1341                       caps->sharp_scaling,
1342                       caps->up_scaling,
1343                       caps->down_scaling,
1344                       caps->stall_support,
1345                       caps->output_flags);
1346
1347         return true;
1348 }
1349
1350 static uint16_t intel_sdvo_get_hotplug_support(struct intel_sdvo *intel_sdvo)
1351 {
1352         struct drm_device *dev = intel_sdvo->base.base.dev;
1353         uint16_t hotplug;
1354
1355         /* HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
1356          * on the line. */
1357         if (IS_I945G(dev) || IS_I945GM(dev))
1358                 return 0;
1359
1360         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1361                                         &hotplug, sizeof(hotplug)))
1362                 return 0;
1363
1364         return hotplug;
1365 }
1366
1367 static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
1368 {
1369         struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1370
1371         intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG,
1372                         &intel_sdvo->hotplug_active, 2);
1373 }
1374
1375 static bool
1376 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1377 {
1378         /* Is there more than one type of output? */
1379         return hweight16(intel_sdvo->caps.output_flags) > 1;
1380 }
1381
1382 static struct edid *
1383 intel_sdvo_get_edid(struct drm_connector *connector)
1384 {
1385         struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
1386         return drm_get_edid(connector, &sdvo->ddc);
1387 }
1388
1389 /* Mac mini hack -- use the same DDC as the analog connector */
1390 static struct edid *
1391 intel_sdvo_get_analog_edid(struct drm_connector *connector)
1392 {
1393         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1394
1395         return drm_get_edid(connector,
1396                             intel_gmbus_get_adapter(dev_priv,
1397                                                     dev_priv->crt_ddc_pin));
1398 }
1399
1400 static enum drm_connector_status
1401 intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
1402 {
1403         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1404         enum drm_connector_status status;
1405         struct edid *edid;
1406
1407         edid = intel_sdvo_get_edid(connector);
1408
1409         if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1410                 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1411
1412                 /*
1413                  * Don't use the 1 as the argument of DDC bus switch to get
1414                  * the EDID. It is used for SDVO SPD ROM.
1415                  */
1416                 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1417                         intel_sdvo->ddc_bus = ddc;
1418                         edid = intel_sdvo_get_edid(connector);
1419                         if (edid)
1420                                 break;
1421                 }
1422                 /*
1423                  * If we found the EDID on the other bus,
1424                  * assume that is the correct DDC bus.
1425                  */
1426                 if (edid == NULL)
1427                         intel_sdvo->ddc_bus = saved_ddc;
1428         }
1429
1430         /*
1431          * When there is no edid and no monitor is connected with VGA
1432          * port, try to use the CRT ddc to read the EDID for DVI-connector.
1433          */
1434         if (edid == NULL)
1435                 edid = intel_sdvo_get_analog_edid(connector);
1436
1437         status = connector_status_unknown;
1438         if (edid != NULL) {
1439                 /* DDC bus is shared, match EDID to connector type */
1440                 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1441                         status = connector_status_connected;
1442                         if (intel_sdvo->is_hdmi) {
1443                                 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1444                                 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1445                         }
1446                 } else
1447                         status = connector_status_disconnected;
1448                 kfree(edid);
1449         }
1450
1451         if (status == connector_status_connected) {
1452                 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1453                 if (intel_sdvo_connector->force_audio != HDMI_AUDIO_AUTO)
1454                         intel_sdvo->has_hdmi_audio = (intel_sdvo_connector->force_audio == HDMI_AUDIO_ON);
1455         }
1456
1457         return status;
1458 }
1459
1460 static bool
1461 intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
1462                                   struct edid *edid)
1463 {
1464         bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1465         bool connector_is_digital = !!IS_DIGITAL(sdvo);
1466
1467         DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
1468                       connector_is_digital, monitor_is_digital);
1469         return connector_is_digital == monitor_is_digital;
1470 }
1471
1472 static enum drm_connector_status
1473 intel_sdvo_detect(struct drm_connector *connector, bool force)
1474 {
1475         uint16_t response;
1476         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1477         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1478         enum drm_connector_status ret;
1479
1480         if (!intel_sdvo_write_cmd(intel_sdvo,
1481                                   SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
1482                 return connector_status_unknown;
1483
1484         /* add 30ms delay when the output type might be TV */
1485         if (intel_sdvo->caps.output_flags & SDVO_TV_MASK)
1486                 msleep(30);
1487
1488         if (!intel_sdvo_read_response(intel_sdvo, &response, 2))
1489                 return connector_status_unknown;
1490
1491         DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1492                       response & 0xff, response >> 8,
1493                       intel_sdvo_connector->output_flag);
1494
1495         if (response == 0)
1496                 return connector_status_disconnected;
1497
1498         intel_sdvo->attached_output = response;
1499
1500         intel_sdvo->has_hdmi_monitor = false;
1501         intel_sdvo->has_hdmi_audio = false;
1502
1503         if ((intel_sdvo_connector->output_flag & response) == 0)
1504                 ret = connector_status_disconnected;
1505         else if (IS_TMDS(intel_sdvo_connector))
1506                 ret = intel_sdvo_tmds_sink_detect(connector);
1507         else {
1508                 struct edid *edid;
1509
1510                 /* if we have an edid check it matches the connection */
1511                 edid = intel_sdvo_get_edid(connector);
1512                 if (edid == NULL)
1513                         edid = intel_sdvo_get_analog_edid(connector);
1514                 if (edid != NULL) {
1515                         if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
1516                                                               edid))
1517                                 ret = connector_status_connected;
1518                         else
1519                                 ret = connector_status_disconnected;
1520
1521                         kfree(edid);
1522                 } else
1523                         ret = connector_status_connected;
1524         }
1525
1526         /* May update encoder flag for like clock for SDVO TV, etc.*/
1527         if (ret == connector_status_connected) {
1528                 intel_sdvo->is_tv = false;
1529                 intel_sdvo->is_lvds = false;
1530                 intel_sdvo->base.needs_tv_clock = false;
1531
1532                 if (response & SDVO_TV_MASK) {
1533                         intel_sdvo->is_tv = true;
1534                         intel_sdvo->base.needs_tv_clock = true;
1535                 }
1536                 if (response & SDVO_LVDS_MASK)
1537                         intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1538         }
1539
1540         return ret;
1541 }
1542
1543 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1544 {
1545         struct edid *edid;
1546
1547         /* set the bus switch and get the modes */
1548         edid = intel_sdvo_get_edid(connector);
1549
1550         /*
1551          * Mac mini hack.  On this device, the DVI-I connector shares one DDC
1552          * link between analog and digital outputs. So, if the regular SDVO
1553          * DDC fails, check to see if the analog output is disconnected, in
1554          * which case we'll look there for the digital DDC data.
1555          */
1556         if (edid == NULL)
1557                 edid = intel_sdvo_get_analog_edid(connector);
1558
1559         if (edid != NULL) {
1560                 if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
1561                                                       edid)) {
1562                         drm_mode_connector_update_edid_property(connector, edid);
1563                         drm_add_edid_modes(connector, edid);
1564                 }
1565
1566                 kfree(edid);
1567         }
1568 }
1569
1570 /*
1571  * Set of SDVO TV modes.
1572  * Note!  This is in reply order (see loop in get_tv_modes).
1573  * XXX: all 60Hz refresh?
1574  */
1575 static const struct drm_display_mode sdvo_tv_modes[] = {
1576         { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1577                    416, 0, 200, 201, 232, 233, 0,
1578                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1579         { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1580                    416, 0, 240, 241, 272, 273, 0,
1581                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1582         { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1583                    496, 0, 300, 301, 332, 333, 0,
1584                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1585         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1586                    736, 0, 350, 351, 382, 383, 0,
1587                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1588         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1589                    736, 0, 400, 401, 432, 433, 0,
1590                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1591         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1592                    736, 0, 480, 481, 512, 513, 0,
1593                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1594         { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1595                    800, 0, 480, 481, 512, 513, 0,
1596                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1597         { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1598                    800, 0, 576, 577, 608, 609, 0,
1599                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1600         { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1601                    816, 0, 350, 351, 382, 383, 0,
1602                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1603         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1604                    816, 0, 400, 401, 432, 433, 0,
1605                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1606         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1607                    816, 0, 480, 481, 512, 513, 0,
1608                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1609         { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1610                    816, 0, 540, 541, 572, 573, 0,
1611                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1612         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1613                    816, 0, 576, 577, 608, 609, 0,
1614                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1615         { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1616                    864, 0, 576, 577, 608, 609, 0,
1617                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1618         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1619                    896, 0, 600, 601, 632, 633, 0,
1620                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1621         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1622                    928, 0, 624, 625, 656, 657, 0,
1623                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1624         { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1625                    1016, 0, 766, 767, 798, 799, 0,
1626                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1627         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1628                    1120, 0, 768, 769, 800, 801, 0,
1629                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1630         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1631                    1376, 0, 1024, 1025, 1056, 1057, 0,
1632                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1633 };
1634
1635 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1636 {
1637         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1638         struct intel_sdvo_sdtv_resolution_request tv_res;
1639         uint32_t reply = 0, format_map = 0;
1640         int i;
1641
1642         /* Read the list of supported input resolutions for the selected TV
1643          * format.
1644          */
1645         format_map = 1 << intel_sdvo->tv_format_index;
1646         memcpy(&tv_res, &format_map,
1647                min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1648
1649         if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1650                 return;
1651
1652         BUILD_BUG_ON(sizeof(tv_res) != 3);
1653         if (!intel_sdvo_write_cmd(intel_sdvo,
1654                                   SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1655                                   &tv_res, sizeof(tv_res)))
1656                 return;
1657         if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1658                 return;
1659
1660         for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1661                 if (reply & (1 << i)) {
1662                         struct drm_display_mode *nmode;
1663                         nmode = drm_mode_duplicate(connector->dev,
1664                                                    &sdvo_tv_modes[i]);
1665                         if (nmode)
1666                                 drm_mode_probed_add(connector, nmode);
1667                 }
1668 }
1669
1670 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1671 {
1672         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1673         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1674         struct drm_display_mode *newmode;
1675
1676         /*
1677          * Attempt to get the mode list from DDC.
1678          * Assume that the preferred modes are
1679          * arranged in priority order.
1680          */
1681         intel_ddc_get_modes(connector, intel_sdvo->i2c);
1682         if (list_empty(&connector->probed_modes) == false)
1683                 goto end;
1684
1685         /* Fetch modes from VBT */
1686         if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1687                 newmode = drm_mode_duplicate(connector->dev,
1688                                              dev_priv->sdvo_lvds_vbt_mode);
1689                 if (newmode != NULL) {
1690                         /* Guarantee the mode is preferred */
1691                         newmode->type = (DRM_MODE_TYPE_PREFERRED |
1692                                          DRM_MODE_TYPE_DRIVER);
1693                         drm_mode_probed_add(connector, newmode);
1694                 }
1695         }
1696
1697 end:
1698         list_for_each_entry(newmode, &connector->probed_modes, head) {
1699                 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1700                         intel_sdvo->sdvo_lvds_fixed_mode =
1701                                 drm_mode_duplicate(connector->dev, newmode);
1702
1703                         intel_sdvo->is_lvds = true;
1704                         break;
1705                 }
1706         }
1707
1708 }
1709
1710 static int intel_sdvo_get_modes(struct drm_connector *connector)
1711 {
1712         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1713
1714         if (IS_TV(intel_sdvo_connector))
1715                 intel_sdvo_get_tv_modes(connector);
1716         else if (IS_LVDS(intel_sdvo_connector))
1717                 intel_sdvo_get_lvds_modes(connector);
1718         else
1719                 intel_sdvo_get_ddc_modes(connector);
1720
1721         return !list_empty(&connector->probed_modes);
1722 }
1723
1724 static void
1725 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1726 {
1727         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1728         struct drm_device *dev = connector->dev;
1729
1730         if (intel_sdvo_connector->left)
1731                 drm_property_destroy(dev, intel_sdvo_connector->left);
1732         if (intel_sdvo_connector->right)
1733                 drm_property_destroy(dev, intel_sdvo_connector->right);
1734         if (intel_sdvo_connector->top)
1735                 drm_property_destroy(dev, intel_sdvo_connector->top);
1736         if (intel_sdvo_connector->bottom)
1737                 drm_property_destroy(dev, intel_sdvo_connector->bottom);
1738         if (intel_sdvo_connector->hpos)
1739                 drm_property_destroy(dev, intel_sdvo_connector->hpos);
1740         if (intel_sdvo_connector->vpos)
1741                 drm_property_destroy(dev, intel_sdvo_connector->vpos);
1742         if (intel_sdvo_connector->saturation)
1743                 drm_property_destroy(dev, intel_sdvo_connector->saturation);
1744         if (intel_sdvo_connector->contrast)
1745                 drm_property_destroy(dev, intel_sdvo_connector->contrast);
1746         if (intel_sdvo_connector->hue)
1747                 drm_property_destroy(dev, intel_sdvo_connector->hue);
1748         if (intel_sdvo_connector->sharpness)
1749                 drm_property_destroy(dev, intel_sdvo_connector->sharpness);
1750         if (intel_sdvo_connector->flicker_filter)
1751                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
1752         if (intel_sdvo_connector->flicker_filter_2d)
1753                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
1754         if (intel_sdvo_connector->flicker_filter_adaptive)
1755                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
1756         if (intel_sdvo_connector->tv_luma_filter)
1757                 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
1758         if (intel_sdvo_connector->tv_chroma_filter)
1759                 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
1760         if (intel_sdvo_connector->dot_crawl)
1761                 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
1762         if (intel_sdvo_connector->brightness)
1763                 drm_property_destroy(dev, intel_sdvo_connector->brightness);
1764 }
1765
1766 static void intel_sdvo_destroy(struct drm_connector *connector)
1767 {
1768         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1769
1770         if (intel_sdvo_connector->tv_format)
1771                 drm_property_destroy(connector->dev,
1772                                      intel_sdvo_connector->tv_format);
1773
1774         intel_sdvo_destroy_enhance_property(connector);
1775         drm_sysfs_connector_remove(connector);
1776         drm_connector_cleanup(connector);
1777         kfree(connector);
1778 }
1779
1780 static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
1781 {
1782         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1783         struct edid *edid;
1784         bool has_audio = false;
1785
1786         if (!intel_sdvo->is_hdmi)
1787                 return false;
1788
1789         edid = intel_sdvo_get_edid(connector);
1790         if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
1791                 has_audio = drm_detect_monitor_audio(edid);
1792         kfree(edid);
1793
1794         return has_audio;
1795 }
1796
1797 static int
1798 intel_sdvo_set_property(struct drm_connector *connector,
1799                         struct drm_property *property,
1800                         uint64_t val)
1801 {
1802         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1803         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1804         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1805         uint16_t temp_value;
1806         uint8_t cmd;
1807         int ret;
1808
1809         ret = drm_connector_property_set_value(connector, property, val);
1810         if (ret)
1811                 return ret;
1812
1813         if (property == dev_priv->force_audio_property) {
1814                 int i = val;
1815                 bool has_audio;
1816
1817                 if (i == intel_sdvo_connector->force_audio)
1818                         return 0;
1819
1820                 intel_sdvo_connector->force_audio = i;
1821
1822                 if (i == HDMI_AUDIO_AUTO)
1823                         has_audio = intel_sdvo_detect_hdmi_audio(connector);
1824                 else
1825                         has_audio = (i == HDMI_AUDIO_ON);
1826
1827                 if (has_audio == intel_sdvo->has_hdmi_audio)
1828                         return 0;
1829
1830                 intel_sdvo->has_hdmi_audio = has_audio;
1831                 goto done;
1832         }
1833
1834         if (property == dev_priv->broadcast_rgb_property) {
1835                 if (val == !!intel_sdvo->color_range)
1836                         return 0;
1837
1838                 intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
1839                 goto done;
1840         }
1841
1842 #define CHECK_PROPERTY(name, NAME) \
1843         if (intel_sdvo_connector->name == property) { \
1844                 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
1845                 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1846                 cmd = SDVO_CMD_SET_##NAME; \
1847                 intel_sdvo_connector->cur_##name = temp_value; \
1848                 goto set_value; \
1849         }
1850
1851         if (property == intel_sdvo_connector->tv_format) {
1852                 if (val >= TV_FORMAT_NUM)
1853                         return -EINVAL;
1854
1855                 if (intel_sdvo->tv_format_index ==
1856                     intel_sdvo_connector->tv_format_supported[val])
1857                         return 0;
1858
1859                 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
1860                 goto done;
1861         } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
1862                 temp_value = val;
1863                 if (intel_sdvo_connector->left == property) {
1864                         drm_connector_property_set_value(connector,
1865                                                          intel_sdvo_connector->right, val);
1866                         if (intel_sdvo_connector->left_margin == temp_value)
1867                                 return 0;
1868
1869                         intel_sdvo_connector->left_margin = temp_value;
1870                         intel_sdvo_connector->right_margin = temp_value;
1871                         temp_value = intel_sdvo_connector->max_hscan -
1872                                 intel_sdvo_connector->left_margin;
1873                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1874                         goto set_value;
1875                 } else if (intel_sdvo_connector->right == property) {
1876                         drm_connector_property_set_value(connector,
1877                                                          intel_sdvo_connector->left, val);
1878                         if (intel_sdvo_connector->right_margin == temp_value)
1879                                 return 0;
1880
1881                         intel_sdvo_connector->left_margin = temp_value;
1882                         intel_sdvo_connector->right_margin = temp_value;
1883                         temp_value = intel_sdvo_connector->max_hscan -
1884                                 intel_sdvo_connector->left_margin;
1885                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1886                         goto set_value;
1887                 } else if (intel_sdvo_connector->top == property) {
1888                         drm_connector_property_set_value(connector,
1889                                                          intel_sdvo_connector->bottom, val);
1890                         if (intel_sdvo_connector->top_margin == temp_value)
1891                                 return 0;
1892
1893                         intel_sdvo_connector->top_margin = temp_value;
1894                         intel_sdvo_connector->bottom_margin = temp_value;
1895                         temp_value = intel_sdvo_connector->max_vscan -
1896                                 intel_sdvo_connector->top_margin;
1897                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1898                         goto set_value;
1899                 } else if (intel_sdvo_connector->bottom == property) {
1900                         drm_connector_property_set_value(connector,
1901                                                          intel_sdvo_connector->top, val);
1902                         if (intel_sdvo_connector->bottom_margin == temp_value)
1903                                 return 0;
1904
1905                         intel_sdvo_connector->top_margin = temp_value;
1906                         intel_sdvo_connector->bottom_margin = temp_value;
1907                         temp_value = intel_sdvo_connector->max_vscan -
1908                                 intel_sdvo_connector->top_margin;
1909                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1910                         goto set_value;
1911                 }
1912                 CHECK_PROPERTY(hpos, HPOS)
1913                 CHECK_PROPERTY(vpos, VPOS)
1914                 CHECK_PROPERTY(saturation, SATURATION)
1915                 CHECK_PROPERTY(contrast, CONTRAST)
1916                 CHECK_PROPERTY(hue, HUE)
1917                 CHECK_PROPERTY(brightness, BRIGHTNESS)
1918                 CHECK_PROPERTY(sharpness, SHARPNESS)
1919                 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1920                 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1921                 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1922                 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1923                 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1924                 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1925         }
1926
1927         return -EINVAL; /* unknown property */
1928
1929 set_value:
1930         if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
1931                 return -EIO;
1932
1933
1934 done:
1935         if (intel_sdvo->base.base.crtc) {
1936                 struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
1937                 intel_set_mode(crtc, &crtc->mode,
1938                                crtc->x, crtc->y, crtc->fb);
1939         }
1940
1941         return 0;
1942 #undef CHECK_PROPERTY
1943 }
1944
1945 static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
1946         .mode_fixup = intel_sdvo_mode_fixup,
1947         .mode_set = intel_sdvo_mode_set,
1948         .disable = intel_encoder_noop,
1949 };
1950
1951 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
1952         .dpms = intel_sdvo_dpms,
1953         .detect = intel_sdvo_detect,
1954         .fill_modes = drm_helper_probe_single_connector_modes,
1955         .set_property = intel_sdvo_set_property,
1956         .destroy = intel_sdvo_destroy,
1957 };
1958
1959 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
1960         .get_modes = intel_sdvo_get_modes,
1961         .mode_valid = intel_sdvo_mode_valid,
1962         .best_encoder = intel_best_encoder,
1963 };
1964
1965 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
1966 {
1967         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1968
1969         if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
1970                 drm_mode_destroy(encoder->dev,
1971                                  intel_sdvo->sdvo_lvds_fixed_mode);
1972
1973         i2c_del_adapter(&intel_sdvo->ddc);
1974         intel_encoder_destroy(encoder);
1975 }
1976
1977 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
1978         .destroy = intel_sdvo_enc_destroy,
1979 };
1980
1981 static void
1982 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
1983 {
1984         uint16_t mask = 0;
1985         unsigned int num_bits;
1986
1987         /* Make a mask of outputs less than or equal to our own priority in the
1988          * list.
1989          */
1990         switch (sdvo->controlled_output) {
1991         case SDVO_OUTPUT_LVDS1:
1992                 mask |= SDVO_OUTPUT_LVDS1;
1993         case SDVO_OUTPUT_LVDS0:
1994                 mask |= SDVO_OUTPUT_LVDS0;
1995         case SDVO_OUTPUT_TMDS1:
1996                 mask |= SDVO_OUTPUT_TMDS1;
1997         case SDVO_OUTPUT_TMDS0:
1998                 mask |= SDVO_OUTPUT_TMDS0;
1999         case SDVO_OUTPUT_RGB1:
2000                 mask |= SDVO_OUTPUT_RGB1;
2001         case SDVO_OUTPUT_RGB0:
2002                 mask |= SDVO_OUTPUT_RGB0;
2003                 break;
2004         }
2005
2006         /* Count bits to find what number we are in the priority list. */
2007         mask &= sdvo->caps.output_flags;
2008         num_bits = hweight16(mask);
2009         /* If more than 3 outputs, default to DDC bus 3 for now. */
2010         if (num_bits > 3)
2011                 num_bits = 3;
2012
2013         /* Corresponds to SDVO_CONTROL_BUS_DDCx */
2014         sdvo->ddc_bus = 1 << num_bits;
2015 }
2016
2017 /**
2018  * Choose the appropriate DDC bus for control bus switch command for this
2019  * SDVO output based on the controlled output.
2020  *
2021  * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
2022  * outputs, then LVDS outputs.
2023  */
2024 static void
2025 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
2026                           struct intel_sdvo *sdvo, u32 reg)
2027 {
2028         struct sdvo_device_mapping *mapping;
2029
2030         if (sdvo->is_sdvob)
2031                 mapping = &(dev_priv->sdvo_mappings[0]);
2032         else
2033                 mapping = &(dev_priv->sdvo_mappings[1]);
2034
2035         if (mapping->initialized)
2036                 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
2037         else
2038                 intel_sdvo_guess_ddc_bus(sdvo);
2039 }
2040
2041 static void
2042 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
2043                           struct intel_sdvo *sdvo, u32 reg)
2044 {
2045         struct sdvo_device_mapping *mapping;
2046         u8 pin;
2047
2048         if (sdvo->is_sdvob)
2049                 mapping = &dev_priv->sdvo_mappings[0];
2050         else
2051                 mapping = &dev_priv->sdvo_mappings[1];
2052
2053         pin = GMBUS_PORT_DPB;
2054         if (mapping->initialized)
2055                 pin = mapping->i2c_pin;
2056
2057         if (intel_gmbus_is_port_valid(pin)) {
2058                 sdvo->i2c = intel_gmbus_get_adapter(dev_priv, pin);
2059                 intel_gmbus_set_speed(sdvo->i2c, GMBUS_RATE_1MHZ);
2060                 intel_gmbus_force_bit(sdvo->i2c, true);
2061         } else {
2062                 sdvo->i2c = intel_gmbus_get_adapter(dev_priv, GMBUS_PORT_DPB);
2063         }
2064 }
2065
2066 static bool
2067 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
2068 {
2069         return intel_sdvo_check_supp_encode(intel_sdvo);
2070 }
2071
2072 static u8
2073 intel_sdvo_get_slave_addr(struct drm_device *dev, struct intel_sdvo *sdvo)
2074 {
2075         struct drm_i915_private *dev_priv = dev->dev_private;
2076         struct sdvo_device_mapping *my_mapping, *other_mapping;
2077
2078         if (sdvo->is_sdvob) {
2079                 my_mapping = &dev_priv->sdvo_mappings[0];
2080                 other_mapping = &dev_priv->sdvo_mappings[1];
2081         } else {
2082                 my_mapping = &dev_priv->sdvo_mappings[1];
2083                 other_mapping = &dev_priv->sdvo_mappings[0];
2084         }
2085
2086         /* If the BIOS described our SDVO device, take advantage of it. */
2087         if (my_mapping->slave_addr)
2088                 return my_mapping->slave_addr;
2089
2090         /* If the BIOS only described a different SDVO device, use the
2091          * address that it isn't using.
2092          */
2093         if (other_mapping->slave_addr) {
2094                 if (other_mapping->slave_addr == 0x70)
2095                         return 0x72;
2096                 else
2097                         return 0x70;
2098         }
2099
2100         /* No SDVO device info is found for another DVO port,
2101          * so use mapping assumption we had before BIOS parsing.
2102          */
2103         if (sdvo->is_sdvob)
2104                 return 0x70;
2105         else
2106                 return 0x72;
2107 }
2108
2109 static void
2110 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2111                           struct intel_sdvo *encoder)
2112 {
2113         drm_connector_init(encoder->base.base.dev,
2114                            &connector->base.base,
2115                            &intel_sdvo_connector_funcs,
2116                            connector->base.base.connector_type);
2117
2118         drm_connector_helper_add(&connector->base.base,
2119                                  &intel_sdvo_connector_helper_funcs);
2120
2121         connector->base.base.interlace_allowed = 1;
2122         connector->base.base.doublescan_allowed = 0;
2123         connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2124         connector->base.get_hw_state = intel_sdvo_connector_get_hw_state;
2125
2126         intel_connector_attach_encoder(&connector->base, &encoder->base);
2127         drm_sysfs_connector_add(&connector->base.base);
2128 }
2129
2130 static void
2131 intel_sdvo_add_hdmi_properties(struct intel_sdvo_connector *connector)
2132 {
2133         struct drm_device *dev = connector->base.base.dev;
2134
2135         intel_attach_force_audio_property(&connector->base.base);
2136         if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev))
2137                 intel_attach_broadcast_rgb_property(&connector->base.base);
2138 }
2139
2140 static bool
2141 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2142 {
2143         struct drm_encoder *encoder = &intel_sdvo->base.base;
2144         struct drm_connector *connector;
2145         struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
2146         struct intel_connector *intel_connector;
2147         struct intel_sdvo_connector *intel_sdvo_connector;
2148
2149         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2150         if (!intel_sdvo_connector)
2151                 return false;
2152
2153         if (device == 0) {
2154                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2155                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2156         } else if (device == 1) {
2157                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2158                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2159         }
2160
2161         intel_connector = &intel_sdvo_connector->base;
2162         connector = &intel_connector->base;
2163         if (intel_sdvo_get_hotplug_support(intel_sdvo) &
2164                 intel_sdvo_connector->output_flag) {
2165                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2166                 intel_sdvo->hotplug_active |= intel_sdvo_connector->output_flag;
2167                 /* Some SDVO devices have one-shot hotplug interrupts.
2168                  * Ensure that they get re-enabled when an interrupt happens.
2169                  */
2170                 intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
2171                 intel_sdvo_enable_hotplug(intel_encoder);
2172         } else {
2173                 connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2174         }
2175         encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2176         connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2177
2178         if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2179                 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2180                 intel_sdvo->is_hdmi = true;
2181         }
2182         intel_sdvo->base.cloneable = true;
2183
2184         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2185         if (intel_sdvo->is_hdmi)
2186                 intel_sdvo_add_hdmi_properties(intel_sdvo_connector);
2187
2188         return true;
2189 }
2190
2191 static bool
2192 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2193 {
2194         struct drm_encoder *encoder = &intel_sdvo->base.base;
2195         struct drm_connector *connector;
2196         struct intel_connector *intel_connector;
2197         struct intel_sdvo_connector *intel_sdvo_connector;
2198
2199         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2200         if (!intel_sdvo_connector)
2201                 return false;
2202
2203         intel_connector = &intel_sdvo_connector->base;
2204         connector = &intel_connector->base;
2205         encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2206         connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2207
2208         intel_sdvo->controlled_output |= type;
2209         intel_sdvo_connector->output_flag = type;
2210
2211         intel_sdvo->is_tv = true;
2212         intel_sdvo->base.needs_tv_clock = true;
2213         intel_sdvo->base.cloneable = false;
2214
2215         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2216
2217         if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2218                 goto err;
2219
2220         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2221                 goto err;
2222
2223         return true;
2224
2225 err:
2226         intel_sdvo_destroy(connector);
2227         return false;
2228 }
2229
2230 static bool
2231 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2232 {
2233         struct drm_encoder *encoder = &intel_sdvo->base.base;
2234         struct drm_connector *connector;
2235         struct intel_connector *intel_connector;
2236         struct intel_sdvo_connector *intel_sdvo_connector;
2237
2238         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2239         if (!intel_sdvo_connector)
2240                 return false;
2241
2242         intel_connector = &intel_sdvo_connector->base;
2243         connector = &intel_connector->base;
2244         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2245         encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2246         connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2247
2248         if (device == 0) {
2249                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2250                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2251         } else if (device == 1) {
2252                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2253                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2254         }
2255
2256         intel_sdvo->base.cloneable = true;
2257
2258         intel_sdvo_connector_init(intel_sdvo_connector,
2259                                   intel_sdvo);
2260         return true;
2261 }
2262
2263 static bool
2264 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2265 {
2266         struct drm_encoder *encoder = &intel_sdvo->base.base;
2267         struct drm_connector *connector;
2268         struct intel_connector *intel_connector;
2269         struct intel_sdvo_connector *intel_sdvo_connector;
2270
2271         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2272         if (!intel_sdvo_connector)
2273                 return false;
2274
2275         intel_connector = &intel_sdvo_connector->base;
2276         connector = &intel_connector->base;
2277         encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2278         connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2279
2280         if (device == 0) {
2281                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2282                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2283         } else if (device == 1) {
2284                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2285                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2286         }
2287
2288         /* SDVO LVDS is not cloneable because the input mode gets adjusted by the encoder */
2289         intel_sdvo->base.cloneable = false;
2290
2291         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2292         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2293                 goto err;
2294
2295         return true;
2296
2297 err:
2298         intel_sdvo_destroy(connector);
2299         return false;
2300 }
2301
2302 static bool
2303 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2304 {
2305         intel_sdvo->is_tv = false;
2306         intel_sdvo->base.needs_tv_clock = false;
2307         intel_sdvo->is_lvds = false;
2308
2309         /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2310
2311         if (flags & SDVO_OUTPUT_TMDS0)
2312                 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2313                         return false;
2314
2315         if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2316                 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2317                         return false;
2318
2319         /* TV has no XXX1 function block */
2320         if (flags & SDVO_OUTPUT_SVID0)
2321                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2322                         return false;
2323
2324         if (flags & SDVO_OUTPUT_CVBS0)
2325                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2326                         return false;
2327
2328         if (flags & SDVO_OUTPUT_YPRPB0)
2329                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_YPRPB0))
2330                         return false;
2331
2332         if (flags & SDVO_OUTPUT_RGB0)
2333                 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2334                         return false;
2335
2336         if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2337                 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2338                         return false;
2339
2340         if (flags & SDVO_OUTPUT_LVDS0)
2341                 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2342                         return false;
2343
2344         if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2345                 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2346                         return false;
2347
2348         if ((flags & SDVO_OUTPUT_MASK) == 0) {
2349                 unsigned char bytes[2];
2350
2351                 intel_sdvo->controlled_output = 0;
2352                 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2353                 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2354                               SDVO_NAME(intel_sdvo),
2355                               bytes[0], bytes[1]);
2356                 return false;
2357         }
2358         intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
2359
2360         return true;
2361 }
2362
2363 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2364                                           struct intel_sdvo_connector *intel_sdvo_connector,
2365                                           int type)
2366 {
2367         struct drm_device *dev = intel_sdvo->base.base.dev;
2368         struct intel_sdvo_tv_format format;
2369         uint32_t format_map, i;
2370
2371         if (!intel_sdvo_set_target_output(intel_sdvo, type))
2372                 return false;
2373
2374         BUILD_BUG_ON(sizeof(format) != 6);
2375         if (!intel_sdvo_get_value(intel_sdvo,
2376                                   SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2377                                   &format, sizeof(format)))
2378                 return false;
2379
2380         memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2381
2382         if (format_map == 0)
2383                 return false;
2384
2385         intel_sdvo_connector->format_supported_num = 0;
2386         for (i = 0 ; i < TV_FORMAT_NUM; i++)
2387                 if (format_map & (1 << i))
2388                         intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2389
2390
2391         intel_sdvo_connector->tv_format =
2392                         drm_property_create(dev, DRM_MODE_PROP_ENUM,
2393                                             "mode", intel_sdvo_connector->format_supported_num);
2394         if (!intel_sdvo_connector->tv_format)
2395                 return false;
2396
2397         for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2398                 drm_property_add_enum(
2399                                 intel_sdvo_connector->tv_format, i,
2400                                 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2401
2402         intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2403         drm_connector_attach_property(&intel_sdvo_connector->base.base,
2404                                       intel_sdvo_connector->tv_format, 0);
2405         return true;
2406
2407 }
2408
2409 #define ENHANCEMENT(name, NAME) do { \
2410         if (enhancements.name) { \
2411                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2412                     !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2413                         return false; \
2414                 intel_sdvo_connector->max_##name = data_value[0]; \
2415                 intel_sdvo_connector->cur_##name = response; \
2416                 intel_sdvo_connector->name = \
2417                         drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2418                 if (!intel_sdvo_connector->name) return false; \
2419                 drm_connector_attach_property(connector, \
2420                                               intel_sdvo_connector->name, \
2421                                               intel_sdvo_connector->cur_##name); \
2422                 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2423                               data_value[0], data_value[1], response); \
2424         } \
2425 } while (0)
2426
2427 static bool
2428 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2429                                       struct intel_sdvo_connector *intel_sdvo_connector,
2430                                       struct intel_sdvo_enhancements_reply enhancements)
2431 {
2432         struct drm_device *dev = intel_sdvo->base.base.dev;
2433         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2434         uint16_t response, data_value[2];
2435
2436         /* when horizontal overscan is supported, Add the left/right  property */
2437         if (enhancements.overscan_h) {
2438                 if (!intel_sdvo_get_value(intel_sdvo,
2439                                           SDVO_CMD_GET_MAX_OVERSCAN_H,
2440                                           &data_value, 4))
2441                         return false;
2442
2443                 if (!intel_sdvo_get_value(intel_sdvo,
2444                                           SDVO_CMD_GET_OVERSCAN_H,
2445                                           &response, 2))
2446                         return false;
2447
2448                 intel_sdvo_connector->max_hscan = data_value[0];
2449                 intel_sdvo_connector->left_margin = data_value[0] - response;
2450                 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2451                 intel_sdvo_connector->left =
2452                         drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
2453                 if (!intel_sdvo_connector->left)
2454                         return false;
2455
2456                 drm_connector_attach_property(connector,
2457                                               intel_sdvo_connector->left,
2458                                               intel_sdvo_connector->left_margin);
2459
2460                 intel_sdvo_connector->right =
2461                         drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
2462                 if (!intel_sdvo_connector->right)
2463                         return false;
2464
2465                 drm_connector_attach_property(connector,
2466                                               intel_sdvo_connector->right,
2467                                               intel_sdvo_connector->right_margin);
2468                 DRM_DEBUG_KMS("h_overscan: max %d, "
2469                               "default %d, current %d\n",
2470                               data_value[0], data_value[1], response);
2471         }
2472
2473         if (enhancements.overscan_v) {
2474                 if (!intel_sdvo_get_value(intel_sdvo,
2475                                           SDVO_CMD_GET_MAX_OVERSCAN_V,
2476                                           &data_value, 4))
2477                         return false;
2478
2479                 if (!intel_sdvo_get_value(intel_sdvo,
2480                                           SDVO_CMD_GET_OVERSCAN_V,
2481                                           &response, 2))
2482                         return false;
2483
2484                 intel_sdvo_connector->max_vscan = data_value[0];
2485                 intel_sdvo_connector->top_margin = data_value[0] - response;
2486                 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2487                 intel_sdvo_connector->top =
2488                         drm_property_create_range(dev, 0,
2489                                             "top_margin", 0, data_value[0]);
2490                 if (!intel_sdvo_connector->top)
2491                         return false;
2492
2493                 drm_connector_attach_property(connector,
2494                                               intel_sdvo_connector->top,
2495                                               intel_sdvo_connector->top_margin);
2496
2497                 intel_sdvo_connector->bottom =
2498                         drm_property_create_range(dev, 0,
2499                                             "bottom_margin", 0, data_value[0]);
2500                 if (!intel_sdvo_connector->bottom)
2501                         return false;
2502
2503                 drm_connector_attach_property(connector,
2504                                               intel_sdvo_connector->bottom,
2505                                               intel_sdvo_connector->bottom_margin);
2506                 DRM_DEBUG_KMS("v_overscan: max %d, "
2507                               "default %d, current %d\n",
2508                               data_value[0], data_value[1], response);
2509         }
2510
2511         ENHANCEMENT(hpos, HPOS);
2512         ENHANCEMENT(vpos, VPOS);
2513         ENHANCEMENT(saturation, SATURATION);
2514         ENHANCEMENT(contrast, CONTRAST);
2515         ENHANCEMENT(hue, HUE);
2516         ENHANCEMENT(sharpness, SHARPNESS);
2517         ENHANCEMENT(brightness, BRIGHTNESS);
2518         ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2519         ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2520         ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2521         ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2522         ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2523
2524         if (enhancements.dot_crawl) {
2525                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2526                         return false;
2527
2528                 intel_sdvo_connector->max_dot_crawl = 1;
2529                 intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2530                 intel_sdvo_connector->dot_crawl =
2531                         drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
2532                 if (!intel_sdvo_connector->dot_crawl)
2533                         return false;
2534
2535                 drm_connector_attach_property(connector,
2536                                               intel_sdvo_connector->dot_crawl,
2537                                               intel_sdvo_connector->cur_dot_crawl);
2538                 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2539         }
2540
2541         return true;
2542 }
2543
2544 static bool
2545 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2546                                         struct intel_sdvo_connector *intel_sdvo_connector,
2547                                         struct intel_sdvo_enhancements_reply enhancements)
2548 {
2549         struct drm_device *dev = intel_sdvo->base.base.dev;
2550         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2551         uint16_t response, data_value[2];
2552
2553         ENHANCEMENT(brightness, BRIGHTNESS);
2554
2555         return true;
2556 }
2557 #undef ENHANCEMENT
2558
2559 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2560                                                struct intel_sdvo_connector *intel_sdvo_connector)
2561 {
2562         union {
2563                 struct intel_sdvo_enhancements_reply reply;
2564                 uint16_t response;
2565         } enhancements;
2566
2567         BUILD_BUG_ON(sizeof(enhancements) != 2);
2568
2569         enhancements.response = 0;
2570         intel_sdvo_get_value(intel_sdvo,
2571                              SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2572                              &enhancements, sizeof(enhancements));
2573         if (enhancements.response == 0) {
2574                 DRM_DEBUG_KMS("No enhancement is supported\n");
2575                 return true;
2576         }
2577
2578         if (IS_TV(intel_sdvo_connector))
2579                 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2580         else if (IS_LVDS(intel_sdvo_connector))
2581                 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2582         else
2583                 return true;
2584 }
2585
2586 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2587                                      struct i2c_msg *msgs,
2588                                      int num)
2589 {
2590         struct intel_sdvo *sdvo = adapter->algo_data;
2591
2592         if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2593                 return -EIO;
2594
2595         return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2596 }
2597
2598 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2599 {
2600         struct intel_sdvo *sdvo = adapter->algo_data;
2601         return sdvo->i2c->algo->functionality(sdvo->i2c);
2602 }
2603
2604 static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
2605         .master_xfer    = intel_sdvo_ddc_proxy_xfer,
2606         .functionality  = intel_sdvo_ddc_proxy_func
2607 };
2608
2609 static bool
2610 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
2611                           struct drm_device *dev)
2612 {
2613         sdvo->ddc.owner = THIS_MODULE;
2614         sdvo->ddc.class = I2C_CLASS_DDC;
2615         snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2616         sdvo->ddc.dev.parent = &dev->pdev->dev;
2617         sdvo->ddc.algo_data = sdvo;
2618         sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
2619
2620         return i2c_add_adapter(&sdvo->ddc) == 0;
2621 }
2622
2623 bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
2624 {
2625         struct drm_i915_private *dev_priv = dev->dev_private;
2626         struct intel_encoder *intel_encoder;
2627         struct intel_sdvo *intel_sdvo;
2628         u32 hotplug_mask;
2629         int i;
2630
2631         intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);
2632         if (!intel_sdvo)
2633                 return false;
2634
2635         intel_sdvo->sdvo_reg = sdvo_reg;
2636         intel_sdvo->is_sdvob = is_sdvob;
2637         intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, intel_sdvo) >> 1;
2638         intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
2639         if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev)) {
2640                 kfree(intel_sdvo);
2641                 return false;
2642         }
2643
2644         /* encoder type will be decided later */
2645         intel_encoder = &intel_sdvo->base;
2646         intel_encoder->type = INTEL_OUTPUT_SDVO;
2647         drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
2648
2649         /* Read the regs to test if we can talk to the device */
2650         for (i = 0; i < 0x40; i++) {
2651                 u8 byte;
2652
2653                 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
2654                         DRM_DEBUG_KMS("No SDVO device found on %s\n",
2655                                       SDVO_NAME(intel_sdvo));
2656                         goto err;
2657                 }
2658         }
2659
2660         hotplug_mask = 0;
2661         if (IS_G4X(dev)) {
2662                 hotplug_mask = intel_sdvo->is_sdvob ?
2663                         SDVOB_HOTPLUG_INT_STATUS_G4X : SDVOC_HOTPLUG_INT_STATUS_G4X;
2664         } else if (IS_GEN4(dev)) {
2665                 hotplug_mask = intel_sdvo->is_sdvob ?
2666                         SDVOB_HOTPLUG_INT_STATUS_I965 : SDVOC_HOTPLUG_INT_STATUS_I965;
2667         } else {
2668                 hotplug_mask = intel_sdvo->is_sdvob ?
2669                         SDVOB_HOTPLUG_INT_STATUS_I915 : SDVOC_HOTPLUG_INT_STATUS_I915;
2670         }
2671
2672         drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
2673
2674         intel_encoder->disable = intel_disable_sdvo;
2675         intel_encoder->enable = intel_enable_sdvo;
2676         intel_encoder->get_hw_state = intel_sdvo_get_hw_state;
2677
2678         /* In default case sdvo lvds is false */
2679         if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
2680                 goto err;
2681
2682         if (intel_sdvo_output_setup(intel_sdvo,
2683                                     intel_sdvo->caps.output_flags) != true) {
2684                 DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
2685                               SDVO_NAME(intel_sdvo));
2686                 goto err;
2687         }
2688
2689         /* Only enable the hotplug irq if we need it, to work around noisy
2690          * hotplug lines.
2691          */
2692         if (intel_sdvo->hotplug_active)
2693                 dev_priv->hotplug_supported_mask |= hotplug_mask;
2694
2695         intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
2696
2697         /* Set the input timing to the screen. Assume always input 0. */
2698         if (!intel_sdvo_set_target_input(intel_sdvo))
2699                 goto err;
2700
2701         if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
2702                                                     &intel_sdvo->pixel_clock_min,
2703                                                     &intel_sdvo->pixel_clock_max))
2704                 goto err;
2705
2706         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2707                         "clock range %dMHz - %dMHz, "
2708                         "input 1: %c, input 2: %c, "
2709                         "output 1: %c, output 2: %c\n",
2710                         SDVO_NAME(intel_sdvo),
2711                         intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
2712                         intel_sdvo->caps.device_rev_id,
2713                         intel_sdvo->pixel_clock_min / 1000,
2714                         intel_sdvo->pixel_clock_max / 1000,
2715                         (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2716                         (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2717                         /* check currently supported outputs */
2718                         intel_sdvo->caps.output_flags &
2719                         (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2720                         intel_sdvo->caps.output_flags &
2721                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2722         return true;
2723
2724 err:
2725         drm_encoder_cleanup(&intel_encoder->base);
2726         i2c_del_adapter(&intel_sdvo->ddc);
2727         kfree(intel_sdvo);
2728
2729         return false;
2730 }