sys/dev/drm2/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 <sys/cdefs.h>
  29 __FBSDID("$FreeBSD$");
  30
  31 #include <dev/drm2/drmP.h>
  32 #include <dev/drm2/drm_crtc.h>
  33 #include <dev/drm2/drm_edid.h>
  34 #include <dev/drm2/i915/intel_drv.h>
  35 #include <dev/drm2/i915/i915_drm.h>
  36 #include <dev/drm2/i915/i915_drv.h>
  37 #include <dev/drm2/i915/intel_sdvo_regs.h>
  38 #include <dev/iicbus/iic.h>
  39 #include <dev/iicbus/iiconf.h>
  40 #include "iicbus_if.h"
  41
  42 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
  43 #define SDVO_RGB_MASK  (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
  44 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
  45 #define SDVO_TV_MASK   (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0)
  46
  47 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
  48                         SDVO_TV_MASK)
  49
  50 #define IS_TV(c)        (c->output_flag & SDVO_TV_MASK)
  51 #define IS_TMDS(c)      (c->output_flag & SDVO_TMDS_MASK)
  52 #define IS_LVDS(c)      (c->output_flag & SDVO_LVDS_MASK)
  53 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
  54 #define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
  55
  56
  57 static const char *tv_format_names[] = {
  58         "NTSC_M"   , "NTSC_J"  , "NTSC_443",
  59         "PAL_B"    , "PAL_D"   , "PAL_G"   ,
  60         "PAL_H"    , "PAL_I"   , "PAL_M"   ,
  61         "PAL_N"    , "PAL_NC"  , "PAL_60"  ,
  62         "SECAM_B"  , "SECAM_D" , "SECAM_G" ,
  63         "SECAM_K"  , "SECAM_K1", "SECAM_L" ,
  64         "SECAM_60"
  65 };
  66
  67 #define TV_FORMAT_NUM  (sizeof(tv_format_names) / sizeof(*tv_format_names))
  68
  69 struct intel_sdvo {
  70         struct intel_encoder base;
  71
  72         device_t i2c;
  73         u8 slave_addr;
  74
  75         device_t ddc_iic_bus, ddc;
  76
  77         /* Register for the SDVO device: SDVOB or SDVOC */
  78         uint32_t sdvo_reg;
  79
  80         /* Active outputs controlled by this SDVO output */
  81         uint16_t controlled_output;
  82
  83         /*
  84          * Capabilities of the SDVO device returned by
  85          * i830_sdvo_get_capabilities()
  86          */
  87         struct intel_sdvo_caps caps;
  88
  89         /* Pixel clock limitations reported by the SDVO device, in kHz */
  90         int pixel_clock_min, pixel_clock_max;
  91
  92         /*
  93         * For multiple function SDVO device,
  94         * this is for current attached outputs.
  95         */
  96         uint16_t attached_output;
  97
  98         /*
  99          * Hotplug activation bits for this device
 100          */
 101         uint16_t hotplug_active;
 102
 103         /**
 104          * This is used to select the color range of RBG outputs in HDMI mode.
 105          * It is only valid when using TMDS encoding and 8 bit per color mode.
 106          */
 107         uint32_t color_range;
 108
 109         /**
 110          * This is set if we're going to treat the device as TV-out.
 111          *
 112          * While we have these nice friendly flags for output types that ought
 113          * to decide this for us, the S-Video output on our HDMI+S-Video card
 114          * shows up as RGB1 (VGA).
 115          */
 116         bool is_tv;
 117
 118         /* On different gens SDVOB is at different places. */
 119         bool is_sdvob;
 120
 121         /* This is for current tv format name */
 122         int tv_format_index;
 123
 124         /**
 125          * This is set if we treat the device as HDMI, instead of DVI.
 126          */
 127         bool is_hdmi;
 128         bool has_hdmi_monitor;
 129         bool has_hdmi_audio;
 130
 131         /**
 132          * This is set if we detect output of sdvo device as LVDS and
 133          * have a valid fixed mode to use with the panel.
 134          */
 135         bool is_lvds;
 136
 137         /**
 138          * This is sdvo fixed pannel mode pointer
 139          */
 140         struct drm_display_mode *sdvo_lvds_fixed_mode;
 141
 142         /* DDC bus used by this SDVO encoder */
 143         uint8_t ddc_bus;
 144
 145         /*
 146          * the sdvo flag gets lost in round trip: dtd->adjusted_mode->dtd
 147          */
 148         uint8_t dtd_sdvo_flags;
 149 };
 150
 151 struct intel_sdvo_connector {
 152         struct intel_connector base;
 153
 154         /* Mark the type of connector */
 155         uint16_t output_flag;
 156
 157         enum hdmi_force_audio force_audio;
 158
 159         /* This contains all current supported TV format */
 160         u8 tv_format_supported[TV_FORMAT_NUM];
 161         int   format_supported_num;
 162         struct drm_property *tv_format;
 163
 164         /* add the property for the SDVO-TV */
 165         struct drm_property *left;
 166         struct drm_property *right;
 167         struct drm_property *top;
 168         struct drm_property *bottom;
 169         struct drm_property *hpos;
 170         struct drm_property *vpos;
 171         struct drm_property *contrast;
 172         struct drm_property *saturation;
 173         struct drm_property *hue;
 174         struct drm_property *sharpness;
 175         struct drm_property *flicker_filter;
 176         struct drm_property *flicker_filter_adaptive;
 177         struct drm_property *flicker_filter_2d;
 178         struct drm_property *tv_chroma_filter;
 179         struct drm_property *tv_luma_filter;
 180         struct drm_property *dot_crawl;
 181
 182         /* add the property for the SDVO-TV/LVDS */
 183         struct drm_property *brightness;
 184
 185         /* Add variable to record current setting for the above property */
 186         u32     left_margin, right_margin, top_margin, bottom_margin;
 187
 188         /* this is to get the range of margin.*/
 189         u32     max_hscan,  max_vscan;
 190         u32     max_hpos, cur_hpos;
 191         u32     max_vpos, cur_vpos;
 192         u32     cur_brightness, max_brightness;
 193         u32     cur_contrast,   max_contrast;
 194         u32     cur_saturation, max_saturation;
 195         u32     cur_hue,        max_hue;
 196         u32     cur_sharpness,  max_sharpness;
 197         u32     cur_flicker_filter,             max_flicker_filter;
 198         u32     cur_flicker_filter_adaptive,    max_flicker_filter_adaptive;
 199         u32     cur_flicker_filter_2d,          max_flicker_filter_2d;
 200         u32     cur_tv_chroma_filter,   max_tv_chroma_filter;
 201         u32     cur_tv_luma_filter,     max_tv_luma_filter;
 202         u32     cur_dot_crawl,  max_dot_crawl;
 203 };
 204
 205 static struct intel_sdvo *to_intel_sdvo(struct drm_encoder *encoder)
 206 {
 207         return container_of(encoder, struct intel_sdvo, base.base);
 208 }
 209
 210 static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
 211 {
 212         return container_of(intel_attached_encoder(connector),
 213                             struct intel_sdvo, base);
 214 }
 215
 216 static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector)
 217 {
 218         return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);
 219 }
 220
 221 static bool
 222 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
 223 static bool
 224 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
 225                               struct intel_sdvo_connector *intel_sdvo_connector,
 226                               int type);
 227 static bool
 228 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
 229                                    struct intel_sdvo_connector *intel_sdvo_connector);
 230
 231 /**
 232  * Writes the SDVOB or SDVOC with the given value, but always writes both
 233  * SDVOB and SDVOC to work around apparent hardware issues (according to
 234  * comments in the BIOS).
 235  */
 236 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
 237 {
 238         struct drm_device *dev = intel_sdvo->base.base.dev;
 239         struct drm_i915_private *dev_priv = dev->dev_private;
 240         u32 bval = val, cval = val;
 241         int i;
 242
 243         if (intel_sdvo->sdvo_reg == PCH_SDVOB) {
 244                 I915_WRITE(intel_sdvo->sdvo_reg, val);
 245                 I915_READ(intel_sdvo->sdvo_reg);
 246                 return;
 247         }
 248
 249         if (intel_sdvo->sdvo_reg == SDVOB) {
 250                 cval = I915_READ(SDVOC);
 251         } else {
 252                 bval = I915_READ(SDVOB);
 253         }
 254         /*
 255          * Write the registers twice for luck. Sometimes,
 256          * writing them only once doesn't appear to 'stick'.
 257          * The BIOS does this too. Yay, magic
 258          */
 259         for (i = 0; i < 2; i++)
 260         {
 261                 I915_WRITE(SDVOB, bval);
 262                 I915_READ(SDVOB);
 263                 I915_WRITE(SDVOC, cval);
 264                 I915_READ(SDVOC);
 265         }
 266 }
 267
 268 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
 269 {
 270         struct iic_msg msgs[] = {
 271                 {
 272                         .slave = intel_sdvo->slave_addr << 1,
 273                         .flags = 0,
 274                         .len = 1,
 275                         .buf = &addr,
 276                 },
 277                 {
 278                         .slave = intel_sdvo->slave_addr << 1,
 279                         .flags = I2C_M_RD,
 280                         .len = 1,
 281                         .buf = ch,
 282                 }
 283         };
 284         int ret;
 285
 286         if ((ret = -iicbus_transfer(intel_sdvo->i2c, msgs, 2)) == 0)
 287                 return true;
 288
 289         DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
 290         return false;
 291 }
 292
 293 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
 294 /** Mapping of command numbers to names, for debug output */
 295 static const struct _sdvo_cmd_name {
 296         u8 cmd;
 297         const char *name;
 298 } sdvo_cmd_names[] = {
 299         SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
 300         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
 301         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
 302         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
 303         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
 304         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
 305         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
 306         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
 307         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
 308         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
 309         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
 310         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
 311         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
 312         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
 313         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
 314         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
 315         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
 316         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 317         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
 318         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 319         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
 320         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
 321         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
 322         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
 323         SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
 324         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
 325         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
 326         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
 327         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
 328         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
 329         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
 330         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
 331         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
 332         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
 333         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
 334         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
 335         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
 336         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
 337         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
 338         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
 339         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
 340         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
 341         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
 342
 343         /* Add the op code for SDVO enhancements */
 344         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
 345         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
 346         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
 347         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
 348         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
 349         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
 350         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
 351         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
 352         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
 353         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
 354         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
 355         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
 356         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
 357         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
 358         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
 359         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
 360         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
 361         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
 362         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
 363         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
 364         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
 365         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
 366         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
 367         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
 368         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
 369         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
 370         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
 371         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
 372         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
 373         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
 374         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
 375         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
 376         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
 377         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
 378         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
 379         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
 380         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
 381         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
 382         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
 383         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
 384         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
 385         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
 386         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
 387         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
 388
 389         /* HDMI op code */
 390         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
 391         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
 392         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
 393         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
 394         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
 395         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
 396         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
 397         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
 398         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
 399         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
 400         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
 401         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
 402         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
 403         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
 404         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
 405         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
 406         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
 407         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
 408         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
 409         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
 410 };
 411
 412 #define SDVO_NAME(svdo) ((svdo)->is_sdvob ? "SDVOB" : "SDVOC")
 413
 414 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
 415                                    const void *args, int args_len)
 416 {
 417         int i;
 418
 419         DRM_DEBUG_KMS("%s: W: %02X ",
 420                                 SDVO_NAME(intel_sdvo), cmd);
 421         for (i = 0; i < args_len; i++)
 422                 DRM_LOG_KMS("%02X ", ((const u8 *)args)[i]);
 423         for (; i < 8; i++)
 424                 DRM_LOG_KMS("   ");
 425         for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
 426                 if (cmd == sdvo_cmd_names[i].cmd) {
 427                         DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
 428                         break;
 429                 }
 430         }
 431         if (i == ARRAY_SIZE(sdvo_cmd_names))
 432                 DRM_LOG_KMS("(%02X)", cmd);
 433         DRM_LOG_KMS("\n");
 434 }
 435
 436 static const char *cmd_status_names[] = {
 437         "Power on",
 438         "Success",
 439         "Not supported",
 440         "Invalid arg",
 441         "Pending",
 442         "Target not specified",
 443         "Scaling not supported"
 444 };
 445
 446 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
 447                                  const void *args, int args_len)
 448 {
 449         u8 *buf, status;
 450         struct iic_msg *msgs;
 451         int i, ret = true;
 452
 453         /* Would be simpler to allocate both in one go ? */
 454         buf = (u8 *)malloc(args_len * 2 + 2, DRM_MEM_KMS, M_NOWAIT | M_ZERO);
 455         if (!buf)
 456                 return false;
 457
 458         msgs = malloc(args_len + 3 * sizeof(*msgs), DRM_MEM_KMS, M_NOWAIT | M_ZERO);
 459         if (!msgs) {
 460                 free(buf, DRM_MEM_KMS);
 461                 return false;
 462         }
 463
 464         intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
 465
 466         for (i = 0; i < args_len; i++) {
 467                 msgs[i].slave = intel_sdvo->slave_addr << 1;
 468                 msgs[i].flags = 0;
 469                 msgs[i].len = 2;
 470                 msgs[i].buf = buf + 2 *i;
 471                 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
 472                 buf[2*i + 1] = ((const u8*)args)[i];
 473         }
 474         msgs[i].slave = intel_sdvo->slave_addr << 1;
 475         msgs[i].flags = 0;
 476         msgs[i].len = 2;
 477         msgs[i].buf = buf + 2*i;
 478         buf[2*i + 0] = SDVO_I2C_OPCODE;
 479         buf[2*i + 1] = cmd;
 480
 481         /* the following two are to read the response */
 482         status = SDVO_I2C_CMD_STATUS;
 483         msgs[i+1].slave = intel_sdvo->slave_addr << 1;
 484         msgs[i+1].flags = 0;
 485         msgs[i+1].len = 1;
 486         msgs[i+1].buf = &status;
 487
 488         msgs[i+2].slave = intel_sdvo->slave_addr << 1;
 489         msgs[i+2].flags = I2C_M_RD;
 490         msgs[i+2].len = 1;
 491         msgs[i+2].buf = &status;
 492
 493         ret = -iicbus_transfer(intel_sdvo->i2c, msgs, i+3);
 494         if (ret < 0) {
 495                 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
 496                 ret = false;
 497                 goto out;
 498         }
 499
 500 out:
 501         free(msgs, DRM_MEM_KMS);
 502         free(buf, DRM_MEM_KMS);
 503         return ret;
 504 }
 505
 506 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
 507                                      void *response, int response_len)
 508 {
 509         u8 retry = 15; /* 5 quick checks, followed by 10 long checks */
 510         u8 status;
 511         int i;
 512
 513         DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));
 514
 515         /*
 516          * The documentation states that all commands will be
 517          * processed within 15µs, and that we need only poll
 518          * the status byte a maximum of 3 times in order for the
 519          * command to be complete.
 520          *
 521          * Check 5 times in case the hardware failed to read the docs.
 522          *
 523          * Also beware that the first response by many devices is to
 524          * reply PENDING and stall for time. TVs are notorious for
 525          * requiring longer than specified to complete their replies.
 526          * Originally (in the DDX long ago), the delay was only ever 15ms
 527          * with an additional delay of 30ms applied for TVs added later after
 528          * many experiments. To accommodate both sets of delays, we do a
 529          * sequence of slow checks if the device is falling behind and fails
 530          * to reply within 5*15µs.
 531          */
 532         if (!intel_sdvo_read_byte(intel_sdvo,
 533                                   SDVO_I2C_CMD_STATUS,
 534                                   &status))
 535                 goto log_fail;
 536
 537         while (status == SDVO_CMD_STATUS_PENDING && --retry) {
 538                 if (retry < 10)
 539                         DRM_MSLEEP(15);
 540                 else
 541                         udelay(15);
 542
 543                 if (!intel_sdvo_read_byte(intel_sdvo,
 544                                           SDVO_I2C_CMD_STATUS,
 545                                           &status))
 546                         goto log_fail;
 547         }
 548
 549         if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
 550                 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
 551         else
 552                 DRM_LOG_KMS("(??? %d)", status);
 553
 554         if (status != SDVO_CMD_STATUS_SUCCESS)
 555                 goto log_fail;
 556
 557         /* Read the command response */
 558         for (i = 0; i < response_len; i++) {
 559                 if (!intel_sdvo_read_byte(intel_sdvo,
 560                                           SDVO_I2C_RETURN_0 + i,
 561                                           &((u8 *)response)[i]))
 562                         goto log_fail;
 563                 DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
 564         }
 565         DRM_LOG_KMS("\n");
 566         return true;
 567
 568 log_fail:
 569         DRM_LOG_KMS("... failed\n");
 570         return false;
 571 }
 572
 573 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
 574 {
 575         if (mode->clock >= 100000)
 576                 return 1;
 577         else if (mode->clock >= 50000)
 578                 return 2;
 579         else
 580                 return 4;
 581 }
 582
 583 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
 584                                               u8 ddc_bus)
 585 {
 586         /* This must be the immediately preceding write before the i2c xfer */
 587         return intel_sdvo_write_cmd(intel_sdvo,
 588                                     SDVO_CMD_SET_CONTROL_BUS_SWITCH,
 589                                     &ddc_bus, 1);
 590 }
 591
 592 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
 593 {
 594         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
 595                 return false;
 596
 597         return intel_sdvo_read_response(intel_sdvo, NULL, 0);
 598 }
 599
 600 static bool
 601 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
 602 {
 603         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
 604                 return false;
 605
 606         return intel_sdvo_read_response(intel_sdvo, value, len);
 607 }
 608
 609 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
 610 {
 611         struct intel_sdvo_set_target_input_args targets = {0};
 612         return intel_sdvo_set_value(intel_sdvo,
 613                                     SDVO_CMD_SET_TARGET_INPUT,
 614                                     &targets, sizeof(targets));
 615 }
 616
 617 /**
 618  * Return whether each input is trained.
 619  *
 620  * This function is making an assumption about the layout of the response,
 621  * which should be checked against the docs.
 622  */
 623 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
 624 {
 625         struct intel_sdvo_get_trained_inputs_response response;
 626
 627         BUILD_BUG_ON(sizeof(response) != 1);
 628         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
 629                                   &response, sizeof(response)))
 630                 return false;
 631
 632         *input_1 = response.input0_trained;
 633         *input_2 = response.input1_trained;
 634         return true;
 635 }
 636
 637 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
 638                                           u16 outputs)
 639 {
 640         return intel_sdvo_set_value(intel_sdvo,
 641                                     SDVO_CMD_SET_ACTIVE_OUTPUTS,
 642                                     &outputs, sizeof(outputs));
 643 }
 644
 645 static bool intel_sdvo_get_active_outputs(struct intel_sdvo *intel_sdvo,
 646                                           u16 *outputs)
 647 {
 648         return intel_sdvo_get_value(intel_sdvo,
 649                                     SDVO_CMD_GET_ACTIVE_OUTPUTS,
 650                                     outputs, sizeof(*outputs));
 651 }
 652
 653 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
 654                                                int mode)
 655 {
 656         u8 state = SDVO_ENCODER_STATE_ON;
 657
 658         switch (mode) {
 659         case DRM_MODE_DPMS_ON:
 660                 state = SDVO_ENCODER_STATE_ON;
 661                 break;
 662         case DRM_MODE_DPMS_STANDBY:
 663                 state = SDVO_ENCODER_STATE_STANDBY;
 664                 break;
 665         case DRM_MODE_DPMS_SUSPEND:
 666                 state = SDVO_ENCODER_STATE_SUSPEND;
 667                 break;
 668         case DRM_MODE_DPMS_OFF:
 669                 state = SDVO_ENCODER_STATE_OFF;
 670                 break;
 671         }
 672
 673         return intel_sdvo_set_value(intel_sdvo,
 674                                     SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
 675 }
 676
 677 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
 678                                                    int *clock_min,
 679                                                    int *clock_max)
 680 {
 681         struct intel_sdvo_pixel_clock_range clocks;
 682
 683         BUILD_BUG_ON(sizeof(clocks) != 4);
 684         if (!intel_sdvo_get_value(intel_sdvo,
 685                                   SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
 686                                   &clocks, sizeof(clocks)))
 687                 return false;
 688
 689         /* Convert the values from units of 10 kHz to kHz. */
 690         *clock_min = clocks.min * 10;
 691         *clock_max = clocks.max * 10;
 692         return true;
 693 }
 694
 695 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
 696                                          u16 outputs)
 697 {
 698         return intel_sdvo_set_value(intel_sdvo,
 699                                     SDVO_CMD_SET_TARGET_OUTPUT,
 700                                     &outputs, sizeof(outputs));
 701 }
 702
 703 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
 704                                   struct intel_sdvo_dtd *dtd)
 705 {
 706         return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
 707                 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
 708 }
 709
 710 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
 711                                          struct intel_sdvo_dtd *dtd)
 712 {
 713         return intel_sdvo_set_timing(intel_sdvo,
 714                                      SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
 715 }
 716
 717 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
 718                                          struct intel_sdvo_dtd *dtd)
 719 {
 720         return intel_sdvo_set_timing(intel_sdvo,
 721                                      SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
 722 }
 723
 724 static bool
 725 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 726                                          uint16_t clock,
 727                                          uint16_t width,
 728                                          uint16_t height)
 729 {
 730         struct intel_sdvo_preferred_input_timing_args args;
 731
 732         memset(&args, 0, sizeof(args));
 733         args.clock = clock;
 734         args.width = width;
 735         args.height = height;
 736         args.interlace = 0;
 737
 738         if (intel_sdvo->is_lvds &&
 739            (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
 740             intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
 741                 args.scaled = 1;
 742
 743         return intel_sdvo_set_value(intel_sdvo,
 744                                     SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
 745                                     &args, sizeof(args));
 746 }
 747
 748 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 749                                                   struct intel_sdvo_dtd *dtd)
 750 {
 751         BUILD_BUG_ON(sizeof(dtd->part1) != 8);
 752         BUILD_BUG_ON(sizeof(dtd->part2) != 8);
 753         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
 754                                     &dtd->part1, sizeof(dtd->part1)) &&
 755                 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
 756                                      &dtd->part2, sizeof(dtd->part2));
 757 }
 758
 759 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
 760 {
 761         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
 762 }
 763
 764 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
 765                                          const struct drm_display_mode *mode)
 766 {
 767         uint16_t width, height;
 768         uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
 769         uint16_t h_sync_offset, v_sync_offset;
 770         int mode_clock;
 771
 772         width = mode->hdisplay;
 773         height = mode->vdisplay;
 774
 775         /* do some mode translations */
 776         h_blank_len = mode->htotal - mode->hdisplay;
 777         h_sync_len = mode->hsync_end - mode->hsync_start;
 778
 779         v_blank_len = mode->vtotal - mode->vdisplay;
 780         v_sync_len = mode->vsync_end - mode->vsync_start;
 781
 782         h_sync_offset = mode->hsync_start - mode->hdisplay;
 783         v_sync_offset = mode->vsync_start - mode->vdisplay;
 784
 785         mode_clock = mode->clock;
 786         mode_clock /= intel_mode_get_pixel_multiplier(mode) ?: 1;
 787         mode_clock /= 10;
 788         dtd->part1.clock = mode_clock;
 789
 790         dtd->part1.h_active = width & 0xff;
 791         dtd->part1.h_blank = h_blank_len & 0xff;
 792         dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
 793                 ((h_blank_len >> 8) & 0xf);
 794         dtd->part1.v_active = height & 0xff;
 795         dtd->part1.v_blank = v_blank_len & 0xff;
 796         dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
 797                 ((v_blank_len >> 8) & 0xf);
 798
 799         dtd->part2.h_sync_off = h_sync_offset & 0xff;
 800         dtd->part2.h_sync_width = h_sync_len & 0xff;
 801         dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
 802                 (v_sync_len & 0xf);
 803         dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
 804                 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
 805                 ((v_sync_len & 0x30) >> 4);
 806
 807         dtd->part2.dtd_flags = 0x18;
 808         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 809                 dtd->part2.dtd_flags |= DTD_FLAG_INTERLACE;
 810         if (mode->flags & DRM_MODE_FLAG_PHSYNC)
 811                 dtd->part2.dtd_flags |= DTD_FLAG_HSYNC_POSITIVE;
 812         if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 813                 dtd->part2.dtd_flags |= DTD_FLAG_VSYNC_POSITIVE;
 814
 815         dtd->part2.sdvo_flags = 0;
 816         dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
 817         dtd->part2.reserved = 0;
 818 }
 819
 820 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
 821                                          const struct intel_sdvo_dtd *dtd)
 822 {
 823         mode->hdisplay = dtd->part1.h_active;
 824         mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
 825         mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
 826         mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
 827         mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
 828         mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
 829         mode->htotal = mode->hdisplay + dtd->part1.h_blank;
 830         mode->htotal += (dtd->part1.h_high & 0xf) << 8;
 831
 832         mode->vdisplay = dtd->part1.v_active;
 833         mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
 834         mode->vsync_start = mode->vdisplay;
 835         mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
 836         mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
 837         mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
 838         mode->vsync_end = mode->vsync_start +
 839                 (dtd->part2.v_sync_off_width & 0xf);
 840         mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
 841         mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
 842         mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
 843
 844         mode->clock = dtd->part1.clock * 10;
 845
 846         mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
 847         if (dtd->part2.dtd_flags & DTD_FLAG_INTERLACE)
 848                 mode->flags |= DRM_MODE_FLAG_INTERLACE;
 849         if (dtd->part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
 850                 mode->flags |= DRM_MODE_FLAG_PHSYNC;
 851         if (dtd->part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
 852                 mode->flags |= DRM_MODE_FLAG_PVSYNC;
 853 }
 854
 855 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
 856 {
 857         struct intel_sdvo_encode encode;
 858
 859         BUILD_BUG_ON(sizeof(encode) != 2);
 860         return intel_sdvo_get_value(intel_sdvo,
 861                                   SDVO_CMD_GET_SUPP_ENCODE,
 862                                   &encode, sizeof(encode));
 863 }
 864
 865 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
 866                                   uint8_t mode)
 867 {
 868         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
 869 }
 870
 871 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
 872                                        uint8_t mode)
 873 {
 874         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
 875 }
 876
 877 #if 0
 878 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
 879 {
 880         int i, j;
 881         uint8_t set_buf_index[2];
 882         uint8_t av_split;
 883         uint8_t buf_size;
 884         uint8_t buf[48];
 885         uint8_t *pos;
 886
 887         intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
 888
 889         for (i = 0; i <= av_split; i++) {
 890                 set_buf_index[0] = i; set_buf_index[1] = 0;
 891                 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
 892                                      set_buf_index, 2);
 893                 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
 894                 intel_sdvo_read_response(encoder, &buf_size, 1);
 895
 896                 pos = buf;
 897                 for (j = 0; j <= buf_size; j += 8) {
 898                         intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
 899                                              NULL, 0);
 900                         intel_sdvo_read_response(encoder, pos, 8);
 901                         pos += 8;
 902                 }
 903         }
 904 }
 905 #endif
 906
 907 static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo,
 908                                        unsigned if_index, uint8_t tx_rate,
 909                                        uint8_t *data, unsigned length)
 910 {
 911         uint8_t set_buf_index[2] = { if_index, 0 };
 912         uint8_t hbuf_size, tmp[8];
 913         int i;
 914
 915         if (!intel_sdvo_set_value(intel_sdvo,
 916                                   SDVO_CMD_SET_HBUF_INDEX,
 917                                   set_buf_index, 2))
 918                 return false;
 919
 920         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
 921                                   &hbuf_size, 1))
 922                 return false;
 923
 924         /* Buffer size is 0 based, hooray! */
 925         hbuf_size++;
 926
 927         DRM_DEBUG_KMS("writing sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n",
 928                       if_index, length, hbuf_size);
 929
 930         for (i = 0; i < hbuf_size; i += 8) {
 931                 memset(tmp, 0, 8);
 932                 if (i < length)
 933                         memcpy(tmp, data + i, min_t(unsigned, 8, length - i));
 934
 935                 if (!intel_sdvo_set_value(intel_sdvo,
 936                                           SDVO_CMD_SET_HBUF_DATA,
 937                                           tmp, 8))
 938                         return false;
 939         }
 940
 941         return intel_sdvo_set_value(intel_sdvo,
 942                                     SDVO_CMD_SET_HBUF_TXRATE,
 943                                     &tx_rate, 1);
 944 }
 945
 946 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
 947 {
 948         struct dip_infoframe avi_if = {
 949                 .type = DIP_TYPE_AVI,
 950                 .ver = DIP_VERSION_AVI,
 951                 .len = DIP_LEN_AVI,
 952         };
 953         uint8_t sdvo_data[4 + sizeof(avi_if.body.avi)];
 954
 955         intel_dip_infoframe_csum(&avi_if);
 956
 957         /* sdvo spec says that the ecc is handled by the hw, and it looks like
 958          * we must not send the ecc field, either. */
 959         memcpy(sdvo_data, &avi_if, 3);
 960         sdvo_data[3] = avi_if.checksum;
 961         memcpy(&sdvo_data[4], &avi_if.body, sizeof(avi_if.body.avi));
 962
 963         return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
 964                                           SDVO_HBUF_TX_VSYNC,
 965                                           sdvo_data, sizeof(sdvo_data));
 966 }
 967
 968 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
 969 {
 970         struct intel_sdvo_tv_format format;
 971         uint32_t format_map;
 972
 973         format_map = 1 << intel_sdvo->tv_format_index;
 974         memset(&format, 0, sizeof(format));
 975         memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
 976
 977         BUILD_BUG_ON(sizeof(format) != 6);
 978         return intel_sdvo_set_value(intel_sdvo,
 979                                     SDVO_CMD_SET_TV_FORMAT,
 980                                     &format, sizeof(format));
 981 }
 982
 983 static bool
 984 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
 985                                         const struct drm_display_mode *mode)
 986 {
 987         struct intel_sdvo_dtd output_dtd;
 988
 989         if (!intel_sdvo_set_target_output(intel_sdvo,
 990                                           intel_sdvo->attached_output))
 991                 return false;
 992
 993         intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
 994         if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
 995                 return false;
 996
 997         return true;
 998 }
 999
1000 /* Asks the sdvo controller for the preferred input mode given the output mode.
1001  * Unfortunately we have to set up the full output mode to do that. */
1002 static bool
1003 intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo,
1004                                     const struct drm_display_mode *mode,
1005                                     struct drm_display_mode *adjusted_mode)
1006 {
1007         struct intel_sdvo_dtd input_dtd;
1008
1009         /* Reset the input timing to the screen. Assume always input 0. */
1010         if (!intel_sdvo_set_target_input(intel_sdvo))
1011                 return false;
1012
1013         if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
1014                                                       mode->clock / 10,
1015                                                       mode->hdisplay,
1016                                                       mode->vdisplay))
1017                 return false;
1018
1019         if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
1020                                                    &input_dtd))
1021                 return false;
1022
1023         intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
1024         intel_sdvo->dtd_sdvo_flags = input_dtd.part2.sdvo_flags;
1025
1026         return true;
1027 }
1028
1029 static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
1030                                   const struct drm_display_mode *mode,
1031                                   struct drm_display_mode *adjusted_mode)
1032 {
1033         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1034         int multiplier;
1035
1036         /* We need to construct preferred input timings based on our
1037          * output timings.  To do that, we have to set the output
1038          * timings, even though this isn't really the right place in
1039          * the sequence to do it. Oh well.
1040          */
1041         if (intel_sdvo->is_tv) {
1042                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
1043                         return false;
1044
1045                 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1046                                                            mode,
1047                                                            adjusted_mode);
1048         } else if (intel_sdvo->is_lvds) {
1049                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
1050                                                              intel_sdvo->sdvo_lvds_fixed_mode))
1051                         return false;
1052
1053                 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1054                                                            mode,
1055                                                            adjusted_mode);
1056         }
1057
1058         /* Make the CRTC code factor in the SDVO pixel multiplier.  The
1059          * SDVO device will factor out the multiplier during mode_set.
1060          */
1061         multiplier = intel_sdvo_get_pixel_multiplier(adjusted_mode);
1062         intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
1063
1064         return true;
1065 }
1066
1067 static void intel_sdvo_mode_set(struct drm_encoder *encoder,
1068                                 struct drm_display_mode *mode,
1069                                 struct drm_display_mode *adjusted_mode)
1070 {
1071         struct drm_device *dev = encoder->dev;
1072         struct drm_i915_private *dev_priv = dev->dev_private;
1073         struct drm_crtc *crtc = encoder->crtc;
1074         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
1075         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1076         u32 sdvox;
1077         struct intel_sdvo_in_out_map in_out;
1078         struct intel_sdvo_dtd input_dtd, output_dtd;
1079         int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
1080         int rate;
1081
1082         if (!mode)
1083                 return;
1084
1085         /* First, set the input mapping for the first input to our controlled
1086          * output. This is only correct if we're a single-input device, in
1087          * which case the first input is the output from the appropriate SDVO
1088          * channel on the motherboard.  In a two-input device, the first input
1089          * will be SDVOB and the second SDVOC.
1090          */
1091         in_out.in0 = intel_sdvo->attached_output;
1092         in_out.in1 = 0;
1093
1094         intel_sdvo_set_value(intel_sdvo,
1095                              SDVO_CMD_SET_IN_OUT_MAP,
1096                              &in_out, sizeof(in_out));
1097
1098         /* Set the output timings to the screen */
1099         if (!intel_sdvo_set_target_output(intel_sdvo,
1100                                           intel_sdvo->attached_output))
1101                 return;
1102
1103         /* lvds has a special fixed output timing. */
1104         if (intel_sdvo->is_lvds)
1105                 intel_sdvo_get_dtd_from_mode(&output_dtd,
1106                                              intel_sdvo->sdvo_lvds_fixed_mode);
1107         else
1108                 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1109         if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
1110                 DRM_INFO("Setting output timings on %s failed\n",
1111                          SDVO_NAME(intel_sdvo));
1112
1113         /* Set the input timing to the screen. Assume always input 0. */
1114         if (!intel_sdvo_set_target_input(intel_sdvo))
1115                 return;
1116
1117         if (intel_sdvo->has_hdmi_monitor) {
1118                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1119                 intel_sdvo_set_colorimetry(intel_sdvo,
1120                                            SDVO_COLORIMETRY_RGB256);
1121                 intel_sdvo_set_avi_infoframe(intel_sdvo);
1122         } else
1123                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1124
1125         if (intel_sdvo->is_tv &&
1126             !intel_sdvo_set_tv_format(intel_sdvo))
1127                 return;
1128
1129         /* We have tried to get input timing in mode_fixup, and filled into
1130          * adjusted_mode.
1131          */
1132         intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1133         if (intel_sdvo->is_tv || intel_sdvo->is_lvds)
1134                 input_dtd.part2.sdvo_flags = intel_sdvo->dtd_sdvo_flags;
1135         if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd))
1136                 DRM_INFO("Setting input timings on %s failed\n",
1137                          SDVO_NAME(intel_sdvo));
1138
1139         switch (pixel_multiplier) {
1140         default:
1141         case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1142         case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1143         case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1144         }
1145         if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1146                 return;
1147
1148         /* Set the SDVO control regs. */
1149         if (INTEL_INFO(dev)->gen >= 4) {
1150                 /* The real mode polarity is set by the SDVO commands, using
1151                  * struct intel_sdvo_dtd. */
1152                 sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
1153                 if (intel_sdvo->is_hdmi)
1154                         sdvox |= intel_sdvo->color_range;
1155                 if (INTEL_INFO(dev)->gen < 5)
1156                         sdvox |= SDVO_BORDER_ENABLE;
1157         } else {
1158                 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1159                 switch (intel_sdvo->sdvo_reg) {
1160                 case SDVOB:
1161                         sdvox &= SDVOB_PRESERVE_MASK;
1162                         break;
1163                 case SDVOC:
1164                         sdvox &= SDVOC_PRESERVE_MASK;
1165                         break;
1166                 }
1167                 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1168         }
1169
1170         if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
1171                 sdvox |= TRANSCODER_CPT(intel_crtc->pipe);
1172         else
1173                 sdvox |= TRANSCODER(intel_crtc->pipe);
1174
1175         if (intel_sdvo->has_hdmi_audio)
1176                 sdvox |= SDVO_AUDIO_ENABLE;
1177
1178         if (INTEL_INFO(dev)->gen >= 4) {
1179                 /* done in crtc_mode_set as the dpll_md reg must be written early */
1180         } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1181                 /* done in crtc_mode_set as it lives inside the dpll register */
1182         } else {
1183                 sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1184         }
1185
1186         if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1187             INTEL_INFO(dev)->gen < 5)
1188                 sdvox |= SDVO_STALL_SELECT;
1189         intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1190 }
1191
1192 static bool intel_sdvo_connector_get_hw_state(struct intel_connector *connector)
1193 {
1194         struct intel_sdvo_connector *intel_sdvo_connector =
1195                 to_intel_sdvo_connector(&connector->base);
1196         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(&connector->base);
1197         u16 active_outputs;
1198
1199         intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
1200
1201         if (active_outputs & intel_sdvo_connector->output_flag)
1202                 return true;
1203         else
1204                 return false;
1205 }
1206
1207 static bool intel_sdvo_get_hw_state(struct intel_encoder *encoder,
1208                                     enum pipe *pipe)
1209 {
1210         struct drm_device *dev = encoder->base.dev;
1211         struct drm_i915_private *dev_priv = dev->dev_private;
1212         struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1213         u16 active_outputs;
1214         u32 tmp;
1215
1216         tmp = I915_READ(intel_sdvo->sdvo_reg);
1217         intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
1218
1219         if (!(tmp & SDVO_ENABLE) && (active_outputs == 0))
1220                 return false;
1221
1222         if (HAS_PCH_CPT(dev))
1223                 *pipe = PORT_TO_PIPE_CPT(tmp);
1224         else
1225                 *pipe = PORT_TO_PIPE(tmp);
1226
1227         return true;
1228 }
1229
1230 static void intel_disable_sdvo(struct intel_encoder *encoder)
1231 {
1232         struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
1233         struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1234         u32 temp;
1235
1236         intel_sdvo_set_active_outputs(intel_sdvo, 0);
1237         if (0)
1238                 intel_sdvo_set_encoder_power_state(intel_sdvo,
1239                                                    DRM_MODE_DPMS_OFF);
1240
1241         temp = I915_READ(intel_sdvo->sdvo_reg);
1242         if ((temp & SDVO_ENABLE) != 0) {
1243                 /* HW workaround for IBX, we need to move the port to
1244                  * transcoder A before disabling it. */
1245                 if (HAS_PCH_IBX(encoder->base.dev)) {
1246                         struct drm_crtc *crtc = encoder->base.crtc;
1247                         int pipe = crtc ? to_intel_crtc(crtc)->pipe : -1;
1248
1249                         if (temp & SDVO_PIPE_B_SELECT) {
1250                                 temp &= ~SDVO_PIPE_B_SELECT;
1251                                 I915_WRITE(intel_sdvo->sdvo_reg, temp);
1252                                 POSTING_READ(intel_sdvo->sdvo_reg);
1253
1254                                 /* Again we need to write this twice. */
1255                                 I915_WRITE(intel_sdvo->sdvo_reg, temp);
1256                                 POSTING_READ(intel_sdvo->sdvo_reg);
1257
1258                                 /* Transcoder selection bits only update
1259                                  * effectively on vblank. */
1260                                 if (crtc)
1261                                         intel_wait_for_vblank(encoder->base.dev, pipe);
1262                                 else
1263                                         DRM_MSLEEP(50);
1264                         }
1265                 }
1266
1267                 intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
1268         }
1269 }
1270
1271 static void intel_enable_sdvo(struct intel_encoder *encoder)
1272 {
1273         struct drm_device *dev = encoder->base.dev;
1274         struct drm_i915_private *dev_priv = dev->dev_private;
1275         struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1276         struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
1277         u32 temp;
1278         bool input1, input2;
1279         int i;
1280         u8 status;
1281
1282         temp = I915_READ(intel_sdvo->sdvo_reg);
1283         if ((temp & SDVO_ENABLE) == 0) {
1284                 /* HW workaround for IBX, we need to move the port
1285                  * to transcoder A before disabling it. */
1286                 if (HAS_PCH_IBX(dev)) {
1287                         struct drm_crtc *crtc = encoder->base.crtc;
1288                         int pipe = crtc ? to_intel_crtc(crtc)->pipe : -1;
1289
1290                         /* Restore the transcoder select bit. */
1291                         if (pipe == PIPE_B)
1292                                 temp |= SDVO_PIPE_B_SELECT;
1293                 }
1294
1295                 intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
1296         }
1297         for (i = 0; i < 2; i++)
1298                 intel_wait_for_vblank(dev, intel_crtc->pipe);
1299
1300         status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1301         /* Warn if the device reported failure to sync.
1302          * A lot of SDVO devices fail to notify of sync, but it's
1303          * a given it the status is a success, we succeeded.
1304          */
1305         if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1306                 DRM_DEBUG_KMS("First %s output reported failure to "
1307                                 "sync\n", SDVO_NAME(intel_sdvo));
1308         }
1309
1310         if (0)
1311                 intel_sdvo_set_encoder_power_state(intel_sdvo,
1312                                                    DRM_MODE_DPMS_ON);
1313         intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1314 }
1315
1316 static void intel_sdvo_dpms(struct drm_connector *connector, int mode)
1317 {
1318         struct drm_crtc *crtc;
1319         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1320
1321         /* dvo supports only 2 dpms states. */
1322         if (mode != DRM_MODE_DPMS_ON)
1323                 mode = DRM_MODE_DPMS_OFF;
1324
1325         if (mode == connector->dpms)
1326                 return;
1327
1328         connector->dpms = mode;
1329
1330         /* Only need to change hw state when actually enabled */
1331         crtc = intel_sdvo->base.base.crtc;
1332         if (!crtc) {
1333                 intel_sdvo->base.connectors_active = false;
1334                 return;
1335         }
1336
1337         if (mode != DRM_MODE_DPMS_ON) {
1338                 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1339                 if (0)
1340                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1341
1342                 intel_sdvo->base.connectors_active = false;
1343
1344                 intel_crtc_update_dpms(crtc);
1345         } else {
1346                 intel_sdvo->base.connectors_active = true;
1347
1348                 intel_crtc_update_dpms(crtc);
1349
1350                 if (0)
1351                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1352                 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1353         }
1354
1355         intel_modeset_check_state(connector->dev);
1356 }
1357
1358 static int intel_sdvo_mode_valid(struct drm_connector *connector,
1359                                  struct drm_display_mode *mode)
1360 {
1361         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1362
1363         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1364                 return MODE_NO_DBLESCAN;
1365
1366         if (intel_sdvo->pixel_clock_min > mode->clock)
1367                 return MODE_CLOCK_LOW;
1368
1369         if (intel_sdvo->pixel_clock_max < mode->clock)
1370                 return MODE_CLOCK_HIGH;
1371
1372         if (intel_sdvo->is_lvds) {
1373                 if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1374                         return MODE_PANEL;
1375
1376                 if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1377                         return MODE_PANEL;
1378         }
1379
1380         return MODE_OK;
1381 }
1382
1383 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1384 {
1385         BUILD_BUG_ON(sizeof(*caps) != 8);
1386         if (!intel_sdvo_get_value(intel_sdvo,
1387                                   SDVO_CMD_GET_DEVICE_CAPS,
1388                                   caps, sizeof(*caps)))
1389                 return false;
1390
1391         DRM_DEBUG_KMS("SDVO capabilities:\n"
1392                       "  vendor_id: %d\n"
1393                       "  device_id: %d\n"
1394                       "  device_rev_id: %d\n"
1395                       "  sdvo_version_major: %d\n"
1396                       "  sdvo_version_minor: %d\n"
1397                       "  sdvo_inputs_mask: %d\n"
1398                       "  smooth_scaling: %d\n"
1399                       "  sharp_scaling: %d\n"
1400                       "  up_scaling: %d\n"
1401                       "  down_scaling: %d\n"
1402                       "  stall_support: %d\n"
1403                       "  output_flags: %d\n",
1404                       caps->vendor_id,
1405                       caps->device_id,
1406                       caps->device_rev_id,
1407                       caps->sdvo_version_major,
1408                       caps->sdvo_version_minor,
1409                       caps->sdvo_inputs_mask,
1410                       caps->smooth_scaling,
1411                       caps->sharp_scaling,
1412                       caps->up_scaling,
1413                       caps->down_scaling,
1414                       caps->stall_support,
1415                       caps->output_flags);
1416
1417         return true;
1418 }
1419
1420 static uint16_t intel_sdvo_get_hotplug_support(struct intel_sdvo *intel_sdvo)
1421 {
1422         struct drm_device *dev = intel_sdvo->base.base.dev;
1423         uint16_t hotplug;
1424
1425         /* HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
1426          * on the line. */
1427         if (IS_I945G(dev) || IS_I945GM(dev))
1428                 return 0;
1429
1430         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1431                                         &hotplug, sizeof(hotplug)))
1432                 return 0;
1433
1434         return hotplug;
1435 }
1436
1437 static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
1438 {
1439         struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1440
1441         intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG,
1442                         &intel_sdvo->hotplug_active, 2);
1443 }
1444
1445 static bool
1446 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1447 {
1448         /* Is there more than one type of output? */
1449         return bitcount16(intel_sdvo->caps.output_flags) > 1;
1450 }
1451
1452 static struct edid *
1453 intel_sdvo_get_edid(struct drm_connector *connector)
1454 {
1455         struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
1456         return drm_get_edid(connector, sdvo->ddc);
1457 }
1458
1459 /* Mac mini hack -- use the same DDC as the analog connector */
1460 static struct edid *
1461 intel_sdvo_get_analog_edid(struct drm_connector *connector)
1462 {
1463         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1464
1465         return drm_get_edid(connector,
1466                             intel_gmbus_get_adapter(dev_priv,
1467                                                     dev_priv->crt_ddc_pin));
1468 }
1469
1470 static enum drm_connector_status
1471 intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
1472 {
1473         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1474         enum drm_connector_status status;
1475         struct edid *edid;
1476
1477         edid = intel_sdvo_get_edid(connector);
1478
1479         if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1480                 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1481
1482                 /*
1483                  * Don't use the 1 as the argument of DDC bus switch to get
1484                  * the EDID. It is used for SDVO SPD ROM.
1485                  */
1486                 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1487                         intel_sdvo->ddc_bus = ddc;
1488                         edid = intel_sdvo_get_edid(connector);
1489                         if (edid)
1490                                 break;
1491                 }
1492                 /*
1493                  * If we found the EDID on the other bus,
1494                  * assume that is the correct DDC bus.
1495                  */
1496                 if (edid == NULL)
1497                         intel_sdvo->ddc_bus = saved_ddc;
1498         }
1499
1500         /*
1501          * When there is no edid and no monitor is connected with VGA
1502          * port, try to use the CRT ddc to read the EDID for DVI-connector.
1503          */
1504         if (edid == NULL)
1505                 edid = intel_sdvo_get_analog_edid(connector);
1506
1507         status = connector_status_unknown;
1508         if (edid != NULL) {
1509                 /* DDC bus is shared, match EDID to connector type */
1510                 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1511                         status = connector_status_connected;
1512                         if (intel_sdvo->is_hdmi) {
1513                                 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1514                                 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1515                         }
1516                 } else
1517                         status = connector_status_disconnected;
1518                 free(edid, DRM_MEM_KMS);
1519         }
1520
1521         if (status == connector_status_connected) {
1522                 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1523                 if (intel_sdvo_connector->force_audio != HDMI_AUDIO_AUTO)
1524                         intel_sdvo->has_hdmi_audio = (intel_sdvo_connector->force_audio == HDMI_AUDIO_ON);
1525         }
1526
1527         return status;
1528 }
1529
1530 static bool
1531 intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
1532                                   struct edid *edid)
1533 {
1534         bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1535         bool connector_is_digital = !!IS_DIGITAL(sdvo);
1536
1537         DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
1538                       connector_is_digital, monitor_is_digital);
1539         return connector_is_digital == monitor_is_digital;
1540 }
1541
1542 static enum drm_connector_status
1543 intel_sdvo_detect(struct drm_connector *connector, bool force)
1544 {
1545         uint16_t response;
1546         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1547         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1548         enum drm_connector_status ret;
1549
1550         if (!intel_sdvo_get_value(intel_sdvo,
1551                                   SDVO_CMD_GET_ATTACHED_DISPLAYS,
1552                                   &response, 2))
1553                 return connector_status_unknown;
1554
1555         DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1556                       response & 0xff, response >> 8,
1557                       intel_sdvo_connector->output_flag);
1558
1559         if (response == 0)
1560                 return connector_status_disconnected;
1561
1562         intel_sdvo->attached_output = response;
1563
1564         intel_sdvo->has_hdmi_monitor = false;
1565         intel_sdvo->has_hdmi_audio = false;
1566
1567         if ((intel_sdvo_connector->output_flag & response) == 0)
1568                 ret = connector_status_disconnected;
1569         else if (IS_TMDS(intel_sdvo_connector))
1570                 ret = intel_sdvo_tmds_sink_detect(connector);
1571         else {
1572                 struct edid *edid;
1573
1574                 /* if we have an edid check it matches the connection */
1575                 edid = intel_sdvo_get_edid(connector);
1576                 if (edid == NULL)
1577                         edid = intel_sdvo_get_analog_edid(connector);
1578                 if (edid != NULL) {
1579                         if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
1580                                                               edid))
1581                                 ret = connector_status_connected;
1582                         else
1583                                 ret = connector_status_disconnected;
1584
1585                         free(edid, DRM_MEM_KMS);
1586                 } else
1587                         ret = connector_status_connected;
1588         }
1589
1590         /* May update encoder flag for like clock for SDVO TV, etc.*/
1591         if (ret == connector_status_connected) {
1592                 intel_sdvo->is_tv = false;
1593                 intel_sdvo->is_lvds = false;
1594                 intel_sdvo->base.needs_tv_clock = false;
1595
1596                 if (response & SDVO_TV_MASK) {
1597                         intel_sdvo->is_tv = true;
1598                         intel_sdvo->base.needs_tv_clock = true;
1599                 }
1600                 if (response & SDVO_LVDS_MASK)
1601                         intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1602         }
1603
1604         return ret;
1605 }
1606
1607 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1608 {
1609         struct edid *edid;
1610
1611         /* set the bus switch and get the modes */
1612         edid = intel_sdvo_get_edid(connector);
1613
1614         /*
1615          * Mac mini hack.  On this device, the DVI-I connector shares one DDC
1616          * link between analog and digital outputs. So, if the regular SDVO
1617          * DDC fails, check to see if the analog output is disconnected, in
1618          * which case we'll look there for the digital DDC data.
1619          */
1620         if (edid == NULL)
1621                 edid = intel_sdvo_get_analog_edid(connector);
1622
1623         if (edid != NULL) {
1624                 if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
1625                                                       edid)) {
1626                         drm_mode_connector_update_edid_property(connector, edid);
1627                         drm_add_edid_modes(connector, edid);
1628                 }
1629
1630                 free(edid, DRM_MEM_KMS);
1631         }
1632 }
1633
1634 /*
1635  * Set of SDVO TV modes.
1636  * Note!  This is in reply order (see loop in get_tv_modes).
1637  * XXX: all 60Hz refresh?
1638  */
1639 static const struct drm_display_mode sdvo_tv_modes[] = {
1640         { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1641                    416, 0, 200, 201, 232, 233, 0,
1642                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1643         { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1644                    416, 0, 240, 241, 272, 273, 0,
1645                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1646         { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1647                    496, 0, 300, 301, 332, 333, 0,
1648                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1649         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1650                    736, 0, 350, 351, 382, 383, 0,
1651                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1652         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1653                    736, 0, 400, 401, 432, 433, 0,
1654                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1655         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1656                    736, 0, 480, 481, 512, 513, 0,
1657                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1658         { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1659                    800, 0, 480, 481, 512, 513, 0,
1660                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1661         { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1662                    800, 0, 576, 577, 608, 609, 0,
1663                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1664         { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1665                    816, 0, 350, 351, 382, 383, 0,
1666                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1667         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1668                    816, 0, 400, 401, 432, 433, 0,
1669                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1670         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1671                    816, 0, 480, 481, 512, 513, 0,
1672                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1673         { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1674                    816, 0, 540, 541, 572, 573, 0,
1675                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1676         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1677                    816, 0, 576, 577, 608, 609, 0,
1678                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1679         { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1680                    864, 0, 576, 577, 608, 609, 0,
1681                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1682         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1683                    896, 0, 600, 601, 632, 633, 0,
1684                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1685         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1686                    928, 0, 624, 625, 656, 657, 0,
1687                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1688         { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1689                    1016, 0, 766, 767, 798, 799, 0,
1690                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1691         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1692                    1120, 0, 768, 769, 800, 801, 0,
1693                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1694         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1695                    1376, 0, 1024, 1025, 1056, 1057, 0,
1696                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1697 };
1698
1699 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1700 {
1701         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1702         struct intel_sdvo_sdtv_resolution_request tv_res;
1703         uint32_t reply = 0, format_map = 0;
1704         int i;
1705
1706         /* Read the list of supported input resolutions for the selected TV
1707          * format.
1708          */
1709         format_map = 1 << intel_sdvo->tv_format_index;
1710         memcpy(&tv_res, &format_map,
1711                min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1712
1713         if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1714                 return;
1715
1716         BUILD_BUG_ON(sizeof(tv_res) != 3);
1717         if (!intel_sdvo_write_cmd(intel_sdvo,
1718                                   SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1719                                   &tv_res, sizeof(tv_res)))
1720                 return;
1721         if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1722                 return;
1723
1724         for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1725                 if (reply & (1 << i)) {
1726                         struct drm_display_mode *nmode;
1727                         nmode = drm_mode_duplicate(connector->dev,
1728                                                    &sdvo_tv_modes[i]);
1729                         if (nmode)
1730                                 drm_mode_probed_add(connector, nmode);
1731                 }
1732 }
1733
1734 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1735 {
1736         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1737         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1738         struct drm_display_mode *newmode;
1739
1740         /*
1741          * Attempt to get the mode list from DDC.
1742          * Assume that the preferred modes are
1743          * arranged in priority order.
1744          */
1745         intel_ddc_get_modes(connector, intel_sdvo->i2c);
1746         if (list_empty(&connector->probed_modes) == false)
1747                 goto end;
1748
1749         /* Fetch modes from VBT */
1750         if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1751                 newmode = drm_mode_duplicate(connector->dev,
1752                                              dev_priv->sdvo_lvds_vbt_mode);
1753                 if (newmode != NULL) {
1754                         /* Guarantee the mode is preferred */
1755                         newmode->type = (DRM_MODE_TYPE_PREFERRED |
1756                                          DRM_MODE_TYPE_DRIVER);
1757                         drm_mode_probed_add(connector, newmode);
1758                 }
1759         }
1760
1761 end:
1762         list_for_each_entry(newmode, &connector->probed_modes, head) {
1763                 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1764                         intel_sdvo->sdvo_lvds_fixed_mode =
1765                                 drm_mode_duplicate(connector->dev, newmode);
1766
1767                         intel_sdvo->is_lvds = true;
1768                         break;
1769                 }
1770         }
1771
1772 }
1773
1774 static int intel_sdvo_get_modes(struct drm_connector *connector)
1775 {
1776         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1777
1778         if (IS_TV(intel_sdvo_connector))
1779                 intel_sdvo_get_tv_modes(connector);
1780         else if (IS_LVDS(intel_sdvo_connector))
1781                 intel_sdvo_get_lvds_modes(connector);
1782         else
1783                 intel_sdvo_get_ddc_modes(connector);
1784
1785         return !list_empty(&connector->probed_modes);
1786 }
1787
1788 static void
1789 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1790 {
1791         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1792         struct drm_device *dev = connector->dev;
1793
1794         if (intel_sdvo_connector->left)
1795                 drm_property_destroy(dev, intel_sdvo_connector->left);
1796         if (intel_sdvo_connector->right)
1797                 drm_property_destroy(dev, intel_sdvo_connector->right);
1798         if (intel_sdvo_connector->top)
1799                 drm_property_destroy(dev, intel_sdvo_connector->top);
1800         if (intel_sdvo_connector->bottom)
1801                 drm_property_destroy(dev, intel_sdvo_connector->bottom);
1802         if (intel_sdvo_connector->hpos)
1803                 drm_property_destroy(dev, intel_sdvo_connector->hpos);
1804         if (intel_sdvo_connector->vpos)
1805                 drm_property_destroy(dev, intel_sdvo_connector->vpos);
1806         if (intel_sdvo_connector->saturation)
1807                 drm_property_destroy(dev, intel_sdvo_connector->saturation);
1808         if (intel_sdvo_connector->contrast)
1809                 drm_property_destroy(dev, intel_sdvo_connector->contrast);
1810         if (intel_sdvo_connector->hue)
1811                 drm_property_destroy(dev, intel_sdvo_connector->hue);
1812         if (intel_sdvo_connector->sharpness)
1813                 drm_property_destroy(dev, intel_sdvo_connector->sharpness);
1814         if (intel_sdvo_connector->flicker_filter)
1815                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
1816         if (intel_sdvo_connector->flicker_filter_2d)
1817                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
1818         if (intel_sdvo_connector->flicker_filter_adaptive)
1819                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
1820         if (intel_sdvo_connector->tv_luma_filter)
1821                 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
1822         if (intel_sdvo_connector->tv_chroma_filter)
1823                 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
1824         if (intel_sdvo_connector->dot_crawl)
1825                 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
1826         if (intel_sdvo_connector->brightness)
1827                 drm_property_destroy(dev, intel_sdvo_connector->brightness);
1828 }
1829
1830 static void intel_sdvo_destroy(struct drm_connector *connector)
1831 {
1832         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1833
1834         if (intel_sdvo_connector->tv_format)
1835                 drm_property_destroy(connector->dev,
1836                                      intel_sdvo_connector->tv_format);
1837
1838         intel_sdvo_destroy_enhance_property(connector);
1839         drm_connector_cleanup(connector);
1840         free(intel_sdvo_connector, DRM_MEM_KMS);
1841 }
1842
1843 static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
1844 {
1845         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1846         struct edid *edid;
1847         bool has_audio = false;
1848
1849         if (!intel_sdvo->is_hdmi)
1850                 return false;
1851
1852         edid = intel_sdvo_get_edid(connector);
1853         if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
1854                 has_audio = drm_detect_monitor_audio(edid);
1855         free(edid, DRM_MEM_KMS);
1856
1857         return has_audio;
1858 }
1859
1860 static int
1861 intel_sdvo_set_property(struct drm_connector *connector,
1862                         struct drm_property *property,
1863                         uint64_t val)
1864 {
1865         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1866         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1867         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1868         uint16_t temp_value;
1869         uint8_t cmd;
1870         int ret;
1871
1872         ret = drm_object_property_set_value(&connector->base, property, val);
1873         if (ret)
1874                 return ret;
1875
1876         if (property == dev_priv->force_audio_property) {
1877                 int i = val;
1878                 bool has_audio;
1879
1880                 if (i == intel_sdvo_connector->force_audio)
1881                         return 0;
1882
1883                 intel_sdvo_connector->force_audio = i;
1884
1885                 if (i == HDMI_AUDIO_AUTO)
1886                         has_audio = intel_sdvo_detect_hdmi_audio(connector);
1887                 else
1888                         has_audio = (i == HDMI_AUDIO_ON);
1889
1890                 if (has_audio == intel_sdvo->has_hdmi_audio)
1891                         return 0;
1892
1893                 intel_sdvo->has_hdmi_audio = has_audio;
1894                 goto done;
1895         }
1896
1897         if (property == dev_priv->broadcast_rgb_property) {
1898                 if (val == !!intel_sdvo->color_range)
1899                         return 0;
1900
1901                 intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
1902                 goto done;
1903         }
1904
1905 #define CHECK_PROPERTY(name, NAME) \
1906         if (intel_sdvo_connector->name == property) { \
1907                 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
1908                 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1909                 cmd = SDVO_CMD_SET_##NAME; \
1910                 intel_sdvo_connector->cur_##name = temp_value; \
1911                 goto set_value; \
1912         }
1913
1914         if (property == intel_sdvo_connector->tv_format) {
1915                 if (val >= TV_FORMAT_NUM)
1916                         return -EINVAL;
1917
1918                 if (intel_sdvo->tv_format_index ==
1919                     intel_sdvo_connector->tv_format_supported[val])
1920                         return 0;
1921
1922                 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
1923                 goto done;
1924         } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
1925                 temp_value = val;
1926                 if (intel_sdvo_connector->left == property) {
1927                         drm_object_property_set_value(&connector->base,
1928                                                          intel_sdvo_connector->right, val);
1929                         if (intel_sdvo_connector->left_margin == temp_value)
1930                                 return 0;
1931
1932                         intel_sdvo_connector->left_margin = temp_value;
1933                         intel_sdvo_connector->right_margin = temp_value;
1934                         temp_value = intel_sdvo_connector->max_hscan -
1935                                 intel_sdvo_connector->left_margin;
1936                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1937                         goto set_value;
1938                 } else if (intel_sdvo_connector->right == property) {
1939                         drm_object_property_set_value(&connector->base,
1940                                                          intel_sdvo_connector->left, val);
1941                         if (intel_sdvo_connector->right_margin == temp_value)
1942                                 return 0;
1943
1944                         intel_sdvo_connector->left_margin = temp_value;
1945                         intel_sdvo_connector->right_margin = temp_value;
1946                         temp_value = intel_sdvo_connector->max_hscan -
1947                                 intel_sdvo_connector->left_margin;
1948                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1949                         goto set_value;
1950                 } else if (intel_sdvo_connector->top == property) {
1951                         drm_object_property_set_value(&connector->base,
1952                                                          intel_sdvo_connector->bottom, val);
1953                         if (intel_sdvo_connector->top_margin == temp_value)
1954                                 return 0;
1955
1956                         intel_sdvo_connector->top_margin = temp_value;
1957                         intel_sdvo_connector->bottom_margin = temp_value;
1958                         temp_value = intel_sdvo_connector->max_vscan -
1959                                 intel_sdvo_connector->top_margin;
1960                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1961                         goto set_value;
1962                 } else if (intel_sdvo_connector->bottom == property) {
1963                         drm_object_property_set_value(&connector->base,
1964                                                          intel_sdvo_connector->top, val);
1965                         if (intel_sdvo_connector->bottom_margin == temp_value)
1966                                 return 0;
1967
1968                         intel_sdvo_connector->top_margin = temp_value;
1969                         intel_sdvo_connector->bottom_margin = temp_value;
1970                         temp_value = intel_sdvo_connector->max_vscan -
1971                                 intel_sdvo_connector->top_margin;
1972                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1973                         goto set_value;
1974                 }
1975                 CHECK_PROPERTY(hpos, HPOS)
1976                 CHECK_PROPERTY(vpos, VPOS)
1977                 CHECK_PROPERTY(saturation, SATURATION)
1978                 CHECK_PROPERTY(contrast, CONTRAST)
1979                 CHECK_PROPERTY(hue, HUE)
1980                 CHECK_PROPERTY(brightness, BRIGHTNESS)
1981                 CHECK_PROPERTY(sharpness, SHARPNESS)
1982                 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1983                 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1984                 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1985                 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1986                 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1987                 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1988         }
1989
1990         return -EINVAL; /* unknown property */
1991
1992 set_value:
1993         if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
1994                 return -EIO;
1995
1996
1997 done:
1998         if (intel_sdvo->base.base.crtc) {
1999                 struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
2000                 intel_set_mode(crtc, &crtc->mode,
2001                                crtc->x, crtc->y, crtc->fb);
2002         }
2003
2004         return 0;
2005 #undef CHECK_PROPERTY
2006 }
2007
2008 static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
2009         .mode_fixup = intel_sdvo_mode_fixup,
2010         .mode_set = intel_sdvo_mode_set,
2011         .disable = intel_encoder_noop,
2012 };
2013
2014 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
2015         .dpms = intel_sdvo_dpms,
2016         .detect = intel_sdvo_detect,
2017         .fill_modes = drm_helper_probe_single_connector_modes,
2018         .set_property = intel_sdvo_set_property,
2019         .destroy = intel_sdvo_destroy,
2020 };
2021
2022 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
2023         .get_modes = intel_sdvo_get_modes,
2024         .mode_valid = intel_sdvo_mode_valid,
2025         .best_encoder = intel_best_encoder,
2026 };
2027
2028 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
2029 {
2030         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
2031
2032         if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
2033                 drm_mode_destroy(encoder->dev,
2034                                  intel_sdvo->sdvo_lvds_fixed_mode);
2035
2036         device_delete_child(intel_sdvo->base.base.dev->dev,
2037             intel_sdvo->ddc_iic_bus);
2038         intel_encoder_destroy(encoder);
2039 }
2040
2041 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
2042         .destroy = intel_sdvo_enc_destroy,
2043 };
2044
2045 static void
2046 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
2047 {
2048         uint16_t mask = 0;
2049         unsigned int num_bits;
2050
2051         /* Make a mask of outputs less than or equal to our own priority in the
2052          * list.
2053          */
2054         switch (sdvo->controlled_output) {
2055         case SDVO_OUTPUT_LVDS1:
2056                 mask |= SDVO_OUTPUT_LVDS1;
2057         case SDVO_OUTPUT_LVDS0:
2058                 mask |= SDVO_OUTPUT_LVDS0;
2059         case SDVO_OUTPUT_TMDS1:
2060                 mask |= SDVO_OUTPUT_TMDS1;
2061         case SDVO_OUTPUT_TMDS0:
2062                 mask |= SDVO_OUTPUT_TMDS0;
2063         case SDVO_OUTPUT_RGB1:
2064                 mask |= SDVO_OUTPUT_RGB1;
2065         case SDVO_OUTPUT_RGB0:
2066                 mask |= SDVO_OUTPUT_RGB0;
2067                 break;
2068         }
2069
2070         /* Count bits to find what number we are in the priority list. */
2071         mask &= sdvo->caps.output_flags;
2072         num_bits = bitcount16(mask);
2073         /* If more than 3 outputs, default to DDC bus 3 for now. */
2074         if (num_bits > 3)
2075                 num_bits = 3;
2076
2077         /* Corresponds to SDVO_CONTROL_BUS_DDCx */
2078         sdvo->ddc_bus = 1 << num_bits;
2079 }
2080
2081 /**
2082  * Choose the appropriate DDC bus for control bus switch command for this
2083  * SDVO output based on the controlled output.
2084  *
2085  * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
2086  * outputs, then LVDS outputs.
2087  */
2088 static void
2089 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
2090                           struct intel_sdvo *sdvo, u32 reg)
2091 {
2092         struct sdvo_device_mapping *mapping;
2093
2094         if (sdvo->is_sdvob)
2095                 mapping = &(dev_priv->sdvo_mappings[0]);
2096         else
2097                 mapping = &(dev_priv->sdvo_mappings[1]);
2098
2099         if (mapping->initialized)
2100                 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
2101         else
2102                 intel_sdvo_guess_ddc_bus(sdvo);
2103 }
2104
2105 static void
2106 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
2107                           struct intel_sdvo *sdvo, u32 reg)
2108 {
2109         struct sdvo_device_mapping *mapping;
2110         u8 pin;
2111
2112         if (sdvo->is_sdvob)
2113                 mapping = &dev_priv->sdvo_mappings[0];
2114         else
2115                 mapping = &dev_priv->sdvo_mappings[1];
2116
2117         if (mapping->initialized && intel_gmbus_is_port_valid(mapping->i2c_pin))
2118                 pin = mapping->i2c_pin;
2119         else
2120                 pin = GMBUS_PORT_DPB;
2121
2122         sdvo->i2c = intel_gmbus_get_adapter(dev_priv, pin);
2123
2124         /* With gmbus we should be able to drive sdvo i2c at 2MHz, but somehow
2125          * our code totally fails once we start using gmbus. Hence fall back to
2126          * bit banging for now. */
2127         intel_gmbus_force_bit(sdvo->i2c, true);
2128 }
2129
2130 /* undo any changes intel_sdvo_select_i2c_bus() did to sdvo->i2c */
2131 static void
2132 intel_sdvo_unselect_i2c_bus(struct intel_sdvo *sdvo)
2133 {
2134         intel_gmbus_force_bit(sdvo->i2c, false);
2135 }
2136
2137 static bool
2138 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
2139 {
2140         return intel_sdvo_check_supp_encode(intel_sdvo);
2141 }
2142
2143 static u8
2144 intel_sdvo_get_slave_addr(struct drm_device *dev, struct intel_sdvo *sdvo)
2145 {
2146         struct drm_i915_private *dev_priv = dev->dev_private;
2147         struct sdvo_device_mapping *my_mapping, *other_mapping;
2148
2149         if (sdvo->is_sdvob) {
2150                 my_mapping = &dev_priv->sdvo_mappings[0];
2151                 other_mapping = &dev_priv->sdvo_mappings[1];
2152         } else {
2153                 my_mapping = &dev_priv->sdvo_mappings[1];
2154                 other_mapping = &dev_priv->sdvo_mappings[0];
2155         }
2156
2157         /* If the BIOS described our SDVO device, take advantage of it. */
2158         if (my_mapping->slave_addr)
2159                 return my_mapping->slave_addr;
2160
2161         /* If the BIOS only described a different SDVO device, use the
2162          * address that it isn't using.
2163          */
2164         if (other_mapping->slave_addr) {
2165                 if (other_mapping->slave_addr == 0x70)
2166                         return 0x72;
2167                 else
2168                         return 0x70;
2169         }
2170
2171         /* No SDVO device info is found for another DVO port,
2172          * so use mapping assumption we had before BIOS parsing.
2173          */
2174         if (sdvo->is_sdvob)
2175                 return 0x70;
2176         else
2177                 return 0x72;
2178 }
2179
2180 static void
2181 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2182                           struct intel_sdvo *encoder)
2183 {
2184         drm_connector_init(encoder->base.base.dev,
2185                            &connector->base.base,
2186                            &intel_sdvo_connector_funcs,
2187                            connector->base.base.connector_type);
2188
2189         drm_connector_helper_add(&connector->base.base,
2190                                  &intel_sdvo_connector_helper_funcs);
2191
2192         connector->base.base.interlace_allowed = 1;
2193         connector->base.base.doublescan_allowed = 0;
2194         connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2195         connector->base.get_hw_state = intel_sdvo_connector_get_hw_state;
2196
2197         intel_connector_attach_encoder(&connector->base, &encoder->base);
2198 }
2199
2200 static void
2201 intel_sdvo_add_hdmi_properties(struct intel_sdvo_connector *connector)
2202 {
2203         struct drm_device *dev = connector->base.base.dev;
2204
2205         intel_attach_force_audio_property(&connector->base.base);
2206         if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev))
2207                 intel_attach_broadcast_rgb_property(&connector->base.base);
2208 }
2209
2210 static bool
2211 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2212 {
2213         struct drm_encoder *encoder = &intel_sdvo->base.base;
2214         struct drm_connector *connector;
2215         struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
2216         struct intel_connector *intel_connector;
2217         struct intel_sdvo_connector *intel_sdvo_connector;
2218
2219         intel_sdvo_connector = malloc(sizeof(struct intel_sdvo_connector), DRM_MEM_KMS, M_WAITOK | M_ZERO);
2220         if (!intel_sdvo_connector)
2221                 return false;
2222
2223         if (device == 0) {
2224                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2225                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2226         } else if (device == 1) {
2227                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2228                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2229         }
2230
2231         intel_connector = &intel_sdvo_connector->base;
2232         connector = &intel_connector->base;
2233         if (intel_sdvo_get_hotplug_support(intel_sdvo) &
2234                 intel_sdvo_connector->output_flag) {
2235                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2236                 intel_sdvo->hotplug_active |= intel_sdvo_connector->output_flag;
2237                 /* Some SDVO devices have one-shot hotplug interrupts.
2238                  * Ensure that they get re-enabled when an interrupt happens.
2239                  */
2240                 intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
2241                 intel_sdvo_enable_hotplug(intel_encoder);
2242         } else {
2243                 connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2244         }
2245         encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2246         connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2247
2248         if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2249                 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2250                 intel_sdvo->is_hdmi = true;
2251         }
2252
2253         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2254         if (intel_sdvo->is_hdmi)
2255                 intel_sdvo_add_hdmi_properties(intel_sdvo_connector);
2256
2257         return true;
2258 }
2259
2260 static bool
2261 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2262 {
2263         struct drm_encoder *encoder = &intel_sdvo->base.base;
2264         struct drm_connector *connector;
2265         struct intel_connector *intel_connector;
2266         struct intel_sdvo_connector *intel_sdvo_connector;
2267
2268         intel_sdvo_connector = malloc(sizeof(struct intel_sdvo_connector), DRM_MEM_KMS, M_WAITOK | M_ZERO);
2269         if (!intel_sdvo_connector)
2270                 return false;
2271
2272         intel_connector = &intel_sdvo_connector->base;
2273         connector = &intel_connector->base;
2274         encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2275         connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2276
2277         intel_sdvo->controlled_output |= type;
2278         intel_sdvo_connector->output_flag = type;
2279
2280         intel_sdvo->is_tv = true;
2281         intel_sdvo->base.needs_tv_clock = true;
2282
2283         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2284
2285         if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2286                 goto err;
2287
2288         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2289                 goto err;
2290
2291         return true;
2292
2293 err:
2294         intel_sdvo_destroy(connector);
2295         return false;
2296 }
2297
2298 static bool
2299 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2300 {
2301         struct drm_encoder *encoder = &intel_sdvo->base.base;
2302         struct drm_connector *connector;
2303         struct intel_connector *intel_connector;
2304         struct intel_sdvo_connector *intel_sdvo_connector;
2305
2306         intel_sdvo_connector = malloc(sizeof(struct intel_sdvo_connector), DRM_MEM_KMS, M_WAITOK | M_ZERO);
2307         if (!intel_sdvo_connector)
2308                 return false;
2309
2310         intel_connector = &intel_sdvo_connector->base;
2311         connector = &intel_connector->base;
2312         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2313         encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2314         connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2315
2316         if (device == 0) {
2317                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2318                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2319         } else if (device == 1) {
2320                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2321                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2322         }
2323
2324         intel_sdvo_connector_init(intel_sdvo_connector,
2325                                   intel_sdvo);
2326         return true;
2327 }
2328
2329 static bool
2330 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2331 {
2332         struct drm_encoder *encoder = &intel_sdvo->base.base;
2333         struct drm_connector *connector;
2334         struct intel_connector *intel_connector;
2335         struct intel_sdvo_connector *intel_sdvo_connector;
2336
2337         intel_sdvo_connector = malloc(sizeof(struct intel_sdvo_connector), DRM_MEM_KMS, M_WAITOK | M_ZERO);
2338         if (!intel_sdvo_connector)
2339                 return false;
2340
2341         intel_connector = &intel_sdvo_connector->base;
2342         connector = &intel_connector->base;
2343         encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2344         connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2345
2346         if (device == 0) {
2347                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2348                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2349         } else if (device == 1) {
2350                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2351                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2352         }
2353
2354         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2355         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2356                 goto err;
2357
2358         return true;
2359
2360 err:
2361         intel_sdvo_destroy(connector);
2362         return false;
2363 }
2364
2365 static bool
2366 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2367 {
2368         intel_sdvo->is_tv = false;
2369         intel_sdvo->base.needs_tv_clock = false;
2370         intel_sdvo->is_lvds = false;
2371
2372         /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2373
2374         if (flags & SDVO_OUTPUT_TMDS0)
2375                 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2376                         return false;
2377
2378         if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2379                 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2380                         return false;
2381
2382         /* TV has no XXX1 function block */
2383         if (flags & SDVO_OUTPUT_SVID0)
2384                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2385                         return false;
2386
2387         if (flags & SDVO_OUTPUT_CVBS0)
2388                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2389                         return false;
2390
2391         if (flags & SDVO_OUTPUT_YPRPB0)
2392                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_YPRPB0))
2393                         return false;
2394
2395         if (flags & SDVO_OUTPUT_RGB0)
2396                 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2397                         return false;
2398
2399         if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2400                 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2401                         return false;
2402
2403         if (flags & SDVO_OUTPUT_LVDS0)
2404                 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2405                         return false;
2406
2407         if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2408                 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2409                         return false;
2410
2411         if ((flags & SDVO_OUTPUT_MASK) == 0) {
2412                 unsigned char bytes[2];
2413
2414                 intel_sdvo->controlled_output = 0;
2415                 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2416                 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2417                               SDVO_NAME(intel_sdvo),
2418                               bytes[0], bytes[1]);
2419                 return false;
2420         }
2421         intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
2422
2423         return true;
2424 }
2425
2426 static void intel_sdvo_output_cleanup(struct intel_sdvo *intel_sdvo)
2427 {
2428         struct drm_device *dev = intel_sdvo->base.base.dev;
2429         struct drm_connector *connector, *tmp;
2430
2431         list_for_each_entry_safe(connector, tmp,
2432                                  &dev->mode_config.connector_list, head) {
2433                 if (intel_attached_encoder(connector) == &intel_sdvo->base)
2434                         intel_sdvo_destroy(connector);
2435         }
2436 }
2437
2438 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2439                                           struct intel_sdvo_connector *intel_sdvo_connector,
2440                                           int type)
2441 {
2442         struct drm_device *dev = intel_sdvo->base.base.dev;
2443         struct intel_sdvo_tv_format format;
2444         uint32_t format_map, i;
2445
2446         if (!intel_sdvo_set_target_output(intel_sdvo, type))
2447                 return false;
2448
2449         BUILD_BUG_ON(sizeof(format) != 6);
2450         if (!intel_sdvo_get_value(intel_sdvo,
2451                                   SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2452                                   &format, sizeof(format)))
2453                 return false;
2454
2455         memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2456
2457         if (format_map == 0)
2458                 return false;
2459
2460         intel_sdvo_connector->format_supported_num = 0;
2461         for (i = 0 ; i < TV_FORMAT_NUM; i++)
2462                 if (format_map & (1 << i))
2463                         intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2464
2465
2466         intel_sdvo_connector->tv_format =
2467                         drm_property_create(dev, DRM_MODE_PROP_ENUM,
2468                                             "mode", intel_sdvo_connector->format_supported_num);
2469         if (!intel_sdvo_connector->tv_format)
2470                 return false;
2471
2472         for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2473                 drm_property_add_enum(
2474                                 intel_sdvo_connector->tv_format, i,
2475                                 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2476
2477         intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2478         drm_object_attach_property(&intel_sdvo_connector->base.base.base,
2479                                       intel_sdvo_connector->tv_format, 0);
2480         return true;
2481
2482 }
2483
2484 #define ENHANCEMENT(name, NAME) do { \
2485         if (enhancements.name) { \
2486                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2487                     !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2488                         return false; \
2489                 intel_sdvo_connector->max_##name = data_value[0]; \
2490                 intel_sdvo_connector->cur_##name = response; \
2491                 intel_sdvo_connector->name = \
2492                         drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2493                 if (!intel_sdvo_connector->name) return false; \
2494                 drm_object_attach_property(&connector->base, \
2495                                               intel_sdvo_connector->name, \
2496                                               intel_sdvo_connector->cur_##name); \
2497                 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2498                               data_value[0], data_value[1], response); \
2499         } \
2500 } while (0)
2501
2502 static bool
2503 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2504                                       struct intel_sdvo_connector *intel_sdvo_connector,
2505                                       struct intel_sdvo_enhancements_reply enhancements)
2506 {
2507         struct drm_device *dev = intel_sdvo->base.base.dev;
2508         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2509         uint16_t response, data_value[2];
2510
2511         /* when horizontal overscan is supported, Add the left/right  property */
2512         if (enhancements.overscan_h) {
2513                 if (!intel_sdvo_get_value(intel_sdvo,
2514                                           SDVO_CMD_GET_MAX_OVERSCAN_H,
2515                                           &data_value, 4))
2516                         return false;
2517
2518                 if (!intel_sdvo_get_value(intel_sdvo,
2519                                           SDVO_CMD_GET_OVERSCAN_H,
2520                                           &response, 2))
2521                         return false;
2522
2523                 intel_sdvo_connector->max_hscan = data_value[0];
2524                 intel_sdvo_connector->left_margin = data_value[0] - response;
2525                 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2526                 intel_sdvo_connector->left =
2527                         drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
2528                 if (!intel_sdvo_connector->left)
2529                         return false;
2530
2531                 drm_object_attach_property(&connector->base,
2532                                               intel_sdvo_connector->left,
2533                                               intel_sdvo_connector->left_margin);
2534
2535                 intel_sdvo_connector->right =
2536                         drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
2537                 if (!intel_sdvo_connector->right)
2538                         return false;
2539
2540                 drm_object_attach_property(&connector->base,
2541                                               intel_sdvo_connector->right,
2542                                               intel_sdvo_connector->right_margin);
2543                 DRM_DEBUG_KMS("h_overscan: max %d, "
2544                               "default %d, current %d\n",
2545                               data_value[0], data_value[1], response);
2546         }
2547
2548         if (enhancements.overscan_v) {
2549                 if (!intel_sdvo_get_value(intel_sdvo,
2550                                           SDVO_CMD_GET_MAX_OVERSCAN_V,
2551                                           &data_value, 4))
2552                         return false;
2553
2554                 if (!intel_sdvo_get_value(intel_sdvo,
2555                                           SDVO_CMD_GET_OVERSCAN_V,
2556                                           &response, 2))
2557                         return false;
2558
2559                 intel_sdvo_connector->max_vscan = data_value[0];
2560                 intel_sdvo_connector->top_margin = data_value[0] - response;
2561                 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2562                 intel_sdvo_connector->top =
2563                         drm_property_create_range(dev, 0,
2564                                             "top_margin", 0, data_value[0]);
2565                 if (!intel_sdvo_connector->top)
2566                         return false;
2567
2568                 drm_object_attach_property(&connector->base,
2569                                               intel_sdvo_connector->top,
2570                                               intel_sdvo_connector->top_margin);
2571
2572                 intel_sdvo_connector->bottom =
2573                         drm_property_create_range(dev, 0,
2574                                             "bottom_margin", 0, data_value[0]);
2575                 if (!intel_sdvo_connector->bottom)
2576                         return false;
2577
2578                 drm_object_attach_property(&connector->base,
2579                                               intel_sdvo_connector->bottom,
2580                                               intel_sdvo_connector->bottom_margin);
2581                 DRM_DEBUG_KMS("v_overscan: max %d, "
2582                               "default %d, current %d\n",
2583                               data_value[0], data_value[1], response);
2584         }
2585
2586         ENHANCEMENT(hpos, HPOS);
2587         ENHANCEMENT(vpos, VPOS);
2588         ENHANCEMENT(saturation, SATURATION);
2589         ENHANCEMENT(contrast, CONTRAST);
2590         ENHANCEMENT(hue, HUE);
2591         ENHANCEMENT(sharpness, SHARPNESS);
2592         ENHANCEMENT(brightness, BRIGHTNESS);
2593         ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2594         ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2595         ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2596         ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2597         ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2598
2599         if (enhancements.dot_crawl) {
2600                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2601                         return false;
2602
2603                 intel_sdvo_connector->max_dot_crawl = 1;
2604                 intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2605                 intel_sdvo_connector->dot_crawl =
2606                         drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
2607                 if (!intel_sdvo_connector->dot_crawl)
2608                         return false;
2609
2610                 drm_object_attach_property(&connector->base,
2611                                               intel_sdvo_connector->dot_crawl,
2612                                               intel_sdvo_connector->cur_dot_crawl);
2613                 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2614         }
2615
2616         return true;
2617 }
2618
2619 static bool
2620 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2621                                         struct intel_sdvo_connector *intel_sdvo_connector,
2622                                         struct intel_sdvo_enhancements_reply enhancements)
2623 {
2624         struct drm_device *dev = intel_sdvo->base.base.dev;
2625         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2626         uint16_t response, data_value[2];
2627
2628         ENHANCEMENT(brightness, BRIGHTNESS);
2629
2630         return true;
2631 }
2632 #undef ENHANCEMENT
2633
2634 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2635                                                struct intel_sdvo_connector *intel_sdvo_connector)
2636 {
2637         union {
2638                 struct intel_sdvo_enhancements_reply reply;
2639                 uint16_t response;
2640         } enhancements;
2641
2642         BUILD_BUG_ON(sizeof(enhancements) != 2);
2643
2644         enhancements.response = 0;
2645         intel_sdvo_get_value(intel_sdvo,
2646                              SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2647                              &enhancements, sizeof(enhancements));
2648         if (enhancements.response == 0) {
2649                 DRM_DEBUG_KMS("No enhancement is supported\n");
2650                 return true;
2651         }
2652
2653         if (IS_TV(intel_sdvo_connector))
2654                 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2655         else if (IS_LVDS(intel_sdvo_connector))
2656                 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2657         else
2658                 return true;
2659 }
2660
2661 struct intel_sdvo_ddc_proxy_sc {
2662         struct intel_sdvo *intel_sdvo;
2663         device_t port;
2664 };
2665
2666 static int
2667 intel_sdvo_ddc_proxy_probe(device_t idev)
2668 {
2669
2670         return (BUS_PROBE_DEFAULT);
2671 }
2672
2673 static int
2674 intel_sdvo_ddc_proxy_attach(device_t idev)
2675 {
2676         struct intel_sdvo_ddc_proxy_sc *sc;
2677
2678         sc = device_get_softc(idev);
2679         sc->port = device_add_child(idev, "iicbus", -1);
2680         if (sc->port == NULL)
2681                 return (ENXIO);
2682         device_quiet(sc->port);
2683         bus_generic_attach(idev);
2684         return (0);
2685 }
2686
2687 static int
2688 intel_sdvo_ddc_proxy_detach(device_t idev)
2689 {
2690
2691         bus_generic_detach(idev);
2692         device_delete_children(idev);
2693
2694         return (0);
2695 }
2696
2697 static int
2698 intel_sdvo_ddc_proxy_reset(device_t idev, u_char speed, u_char addr,
2699     u_char *oldaddr)
2700 {
2701         struct intel_sdvo_ddc_proxy_sc *sc;
2702         struct intel_sdvo *sdvo;
2703
2704         sc = device_get_softc(idev);
2705         sdvo = sc->intel_sdvo;
2706
2707         return (IICBUS_RESET(device_get_parent(sdvo->i2c), speed, addr,
2708             oldaddr));
2709 }
2710
2711 static int intel_sdvo_ddc_proxy_xfer(device_t adapter,
2712                                      struct iic_msg *msgs,
2713                                      uint32_t num)
2714 {
2715         struct intel_sdvo_ddc_proxy_sc *sc;
2716         struct intel_sdvo *sdvo;
2717
2718         sc = device_get_softc(adapter);
2719         sdvo = sc->intel_sdvo;
2720
2721         if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2722                 return EIO;
2723
2724         return (iicbus_transfer(sdvo->i2c, msgs, num));
2725 }
2726
2727 static device_method_t intel_sdvo_ddc_proxy_methods[] = {
2728         DEVMETHOD(device_probe,         intel_sdvo_ddc_proxy_probe),
2729         DEVMETHOD(device_attach,        intel_sdvo_ddc_proxy_attach),
2730         DEVMETHOD(device_detach,        intel_sdvo_ddc_proxy_detach),
2731         DEVMETHOD(iicbus_reset,         intel_sdvo_ddc_proxy_reset),
2732         DEVMETHOD(iicbus_transfer,      intel_sdvo_ddc_proxy_xfer),
2733         DEVMETHOD_END
2734 };
2735 static driver_t intel_sdvo_ddc_proxy_driver = {
2736         "intel_sdvo_ddc_proxy",
2737         intel_sdvo_ddc_proxy_methods,
2738         sizeof(struct intel_sdvo_ddc_proxy_sc)
2739 };
2740 static devclass_t intel_sdvo_devclass;
2741 DRIVER_MODULE_ORDERED(intel_sdvo_ddc_proxy, drmn, intel_sdvo_ddc_proxy_driver,
2742     intel_sdvo_devclass, 0, 0, SI_ORDER_FIRST);
2743
2744 static bool
2745 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
2746                           struct drm_device *dev)
2747 {
2748         struct intel_sdvo_ddc_proxy_sc *sc;
2749         int ret;
2750
2751         sdvo->ddc_iic_bus = device_add_child(dev->dev,
2752             "intel_sdvo_ddc_proxy", sdvo->sdvo_reg);
2753         if (sdvo->ddc_iic_bus == NULL) {
2754                 DRM_ERROR("cannot create ddc proxy bus %d\n", sdvo->sdvo_reg);
2755                 return (false);
2756         }
2757         device_quiet(sdvo->ddc_iic_bus);
2758         ret = device_probe_and_attach(sdvo->ddc_iic_bus);
2759         if (ret != 0) {
2760                 DRM_ERROR("cannot attach proxy bus %d error %d\n",
2761                     sdvo->sdvo_reg, ret);
2762                 device_delete_child(dev->dev, sdvo->ddc_iic_bus);
2763                 return (false);
2764         }
2765         sc = device_get_softc(sdvo->ddc_iic_bus);
2766         sc->intel_sdvo = sdvo;
2767
2768         sdvo->ddc = sc->port;
2769
2770         return true;
2771 }
2772
2773 bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
2774 {
2775         struct drm_i915_private *dev_priv = dev->dev_private;
2776         struct intel_encoder *intel_encoder;
2777         struct intel_sdvo *intel_sdvo;
2778         u32 hotplug_mask;
2779         int i;
2780         intel_sdvo = malloc(sizeof(struct intel_sdvo), DRM_MEM_KMS, M_WAITOK | M_ZERO);
2781         if (!intel_sdvo)
2782                 return false;
2783
2784         intel_sdvo->sdvo_reg = sdvo_reg;
2785         intel_sdvo->is_sdvob = is_sdvob;
2786         intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, intel_sdvo) >> 1;
2787         intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
2788         if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev))
2789                 goto err_i2c_bus;
2790
2791         /* encoder type will be decided later */
2792         intel_encoder = &intel_sdvo->base;
2793         intel_encoder->type = INTEL_OUTPUT_SDVO;
2794         drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
2795
2796         /* Read the regs to test if we can talk to the device */
2797         for (i = 0; i < 0x40; i++) {
2798                 u8 byte;
2799
2800                 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
2801                         DRM_DEBUG_KMS("No SDVO device found on %s\n",
2802                                       SDVO_NAME(intel_sdvo));
2803                         goto err;
2804                 }
2805         }
2806
2807         hotplug_mask = 0;
2808         if (IS_G4X(dev)) {
2809                 hotplug_mask = intel_sdvo->is_sdvob ?
2810                         SDVOB_HOTPLUG_INT_STATUS_G4X : SDVOC_HOTPLUG_INT_STATUS_G4X;
2811         } else if (IS_GEN4(dev)) {
2812                 hotplug_mask = intel_sdvo->is_sdvob ?
2813                         SDVOB_HOTPLUG_INT_STATUS_I965 : SDVOC_HOTPLUG_INT_STATUS_I965;
2814         } else {
2815                 hotplug_mask = intel_sdvo->is_sdvob ?
2816                         SDVOB_HOTPLUG_INT_STATUS_I915 : SDVOC_HOTPLUG_INT_STATUS_I915;
2817         }
2818
2819         drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
2820
2821         intel_encoder->disable = intel_disable_sdvo;
2822         intel_encoder->enable = intel_enable_sdvo;
2823         intel_encoder->get_hw_state = intel_sdvo_get_hw_state;
2824
2825         /* In default case sdvo lvds is false */
2826         if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
2827                 goto err;
2828
2829         if (intel_sdvo_output_setup(intel_sdvo,
2830                                     intel_sdvo->caps.output_flags) != true) {
2831                 DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
2832                               SDVO_NAME(intel_sdvo));
2833                 /* Output_setup can leave behind connectors! */
2834                 goto err_output;
2835         }
2836
2837         /*
2838          * Cloning SDVO with anything is often impossible, since the SDVO
2839          * encoder can request a special input timing mode. And even if that's
2840          * not the case we have evidence that cloning a plain unscaled mode with
2841          * VGA doesn't really work. Furthermore the cloning flags are way too
2842          * simplistic anyway to express such constraints, so just give up on
2843          * cloning for SDVO encoders.
2844          */
2845         intel_sdvo->base.cloneable = false;
2846
2847         /* Only enable the hotplug irq if we need it, to work around noisy
2848          * hotplug lines.
2849          */
2850         if (intel_sdvo->hotplug_active)
2851                 dev_priv->hotplug_supported_mask |= hotplug_mask;
2852
2853         intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
2854
2855         /* Set the input timing to the screen. Assume always input 0. */
2856         if (!intel_sdvo_set_target_input(intel_sdvo))
2857                 goto err_output;
2858
2859         if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
2860                                                     &intel_sdvo->pixel_clock_min,
2861                                                     &intel_sdvo->pixel_clock_max))
2862                 goto err_output;
2863
2864         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2865                         "clock range %dMHz - %dMHz, "
2866                         "input 1: %c, input 2: %c, "
2867                         "output 1: %c, output 2: %c\n",
2868                         SDVO_NAME(intel_sdvo),
2869                         intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
2870                         intel_sdvo->caps.device_rev_id,
2871                         intel_sdvo->pixel_clock_min / 1000,
2872                         intel_sdvo->pixel_clock_max / 1000,
2873                         (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2874                         (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2875                         /* check currently supported outputs */
2876                         intel_sdvo->caps.output_flags &
2877                         (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2878                         intel_sdvo->caps.output_flags &
2879                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2880         return true;
2881
2882 err_output:
2883         intel_sdvo_output_cleanup(intel_sdvo);
2884
2885 err:
2886         drm_encoder_cleanup(&intel_encoder->base);
2887         device_delete_child(dev->dev, intel_sdvo->ddc_iic_bus);
2888 err_i2c_bus:
2889         intel_sdvo_unselect_i2c_bus(intel_sdvo);
2890         free(intel_sdvo, DRM_MEM_KMS);
2891
2892         return false;
2893 }