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
  29 #include <sys/cdefs.h>
  30 __FBSDID("$FreeBSD$");
  31
  32 #include <dev/drm2/drmP.h>
  33 #include <dev/drm2/drm.h>
  34 #include <dev/drm2/drm_crtc.h>
  35 #include <dev/drm2/drm_edid.h>
  36 #include <dev/drm2/i915/i915_drm.h>
  37 #include <dev/drm2/i915/i915_drv.h>
  38 #include <dev/drm2/i915/intel_sdvo_regs.h>
  39 #include <dev/drm2/i915/intel_drv.h>
  40 #include <dev/iicbus/iic.h>
  41 #include <dev/iicbus/iiconf.h>
  42 #include "iicbus_if.h"
  43
  44 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
  45 #define SDVO_RGB_MASK  (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
  46 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
  47 #define SDVO_TV_MASK   (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0)
  48
  49 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
  50                         SDVO_TV_MASK)
  51
  52 #define IS_TV(c)        (c->output_flag & SDVO_TV_MASK)
  53 #define IS_TMDS(c)      (c->output_flag & SDVO_TMDS_MASK)
  54 #define IS_LVDS(c)      (c->output_flag & SDVO_LVDS_MASK)
  55 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
  56 #define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
  57
  58
  59 static const char *tv_format_names[] = {
  60         "NTSC_M"   , "NTSC_J"  , "NTSC_443",
  61         "PAL_B"    , "PAL_D"   , "PAL_G"   ,
  62         "PAL_H"    , "PAL_I"   , "PAL_M"   ,
  63         "PAL_N"    , "PAL_NC"  , "PAL_60"  ,
  64         "SECAM_B"  , "SECAM_D" , "SECAM_G" ,
  65         "SECAM_K"  , "SECAM_K1", "SECAM_L" ,
  66         "SECAM_60"
  67 };
  68
  69 #define TV_FORMAT_NUM  (sizeof(tv_format_names) / sizeof(*tv_format_names))
  70
  71 struct intel_sdvo {
  72         struct intel_encoder base;
  73
  74         device_t i2c;
  75         u8 slave_addr;
  76
  77         device_t ddc_iic_bus, ddc;
  78
  79         /* Register for the SDVO device: SDVOB or SDVOC */
  80         uint32_t sdvo_reg;
  81
  82         /* Active outputs controlled by this SDVO output */
  83         uint16_t controlled_output;
  84
  85         /*
  86          * Capabilities of the SDVO device returned by
  87          * i830_sdvo_get_capabilities()
  88          */
  89         struct intel_sdvo_caps caps;
  90
  91         /* Pixel clock limitations reported by the SDVO device, in kHz */
  92         int pixel_clock_min, pixel_clock_max;
  93
  94         /*
  95         * For multiple function SDVO device,
  96         * this is for current attached outputs.
  97         */
  98         uint16_t attached_output;
  99
 100         /*
 101          * Hotplug activation bits for this device
 102          */
 103         uint8_t hotplug_active[2];
 104
 105         /**
 106          * This is used to select the color range of RBG outputs in HDMI mode.
 107          * It is only valid when using TMDS encoding and 8 bit per color mode.
 108          */
 109         uint32_t color_range;
 110
 111         /**
 112          * This is set if we're going to treat the device as TV-out.
 113          *
 114          * While we have these nice friendly flags for output types that ought
 115          * to decide this for us, the S-Video output on our HDMI+S-Video card
 116          * shows up as RGB1 (VGA).
 117          */
 118         bool is_tv;
 119
 120         /* On different gens SDVOB is at different places. */
 121         bool is_sdvob;
 122
 123         /* This is for current tv format name */
 124         int tv_format_index;
 125
 126         /**
 127          * This is set if we treat the device as HDMI, instead of DVI.
 128          */
 129         bool is_hdmi;
 130         bool has_hdmi_monitor;
 131         bool has_hdmi_audio;
 132
 133         /**
 134          * This is set if we detect output of sdvo device as LVDS and
 135          * have a valid fixed mode to use with the panel.
 136          */
 137         bool is_lvds;
 138
 139         /**
 140          * This is sdvo fixed pannel mode pointer
 141          */
 142         struct drm_display_mode *sdvo_lvds_fixed_mode;
 143
 144         /* DDC bus used by this SDVO encoder */
 145         uint8_t ddc_bus;
 146
 147         /* Input timings for adjusted_mode */
 148         struct intel_sdvo_dtd input_dtd;
 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 = IIC_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         if ((drm_debug & DRM_DEBUGBITS_KMS) == 0)
 420                 return;
 421         DRM_DEBUG_KMS("%s: W: %02X ", SDVO_NAME(intel_sdvo), cmd);
 422         for (i = 0; i < args_len; i++)
 423                 printf("%02X ", ((const u8 *)args)[i]);
 424         for (; i < 8; i++)
 425                 printf("   ");
 426         for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
 427                 if (cmd == sdvo_cmd_names[i].cmd) {
 428                         printf("(%s)", sdvo_cmd_names[i].name);
 429                         break;
 430                 }
 431         }
 432         if (i == ARRAY_SIZE(sdvo_cmd_names))
 433                 printf("(%02X)", cmd);
 434         printf("\n");
 435 }
 436
 437 static const char *cmd_status_names[] = {
 438         "Power on",
 439         "Success",
 440         "Not supported",
 441         "Invalid arg",
 442         "Pending",
 443         "Target not specified",
 444         "Scaling not supported"
 445 };
 446
 447 static bool
 448 intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd, const void *args,
 449     int args_len)
 450 {
 451         u8 buf[args_len*2 + 2], status;
 452         struct iic_msg msgs[args_len + 3];
 453         int i, ret;
 454
 455         intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
 456
 457         for (i = 0; i < args_len; i++) {
 458                 msgs[i].slave = intel_sdvo->slave_addr << 1;
 459                 msgs[i].flags = 0;
 460                 msgs[i].len = 2;
 461                 msgs[i].buf = buf + 2 *i;
 462                 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
 463                 buf[2*i + 1] = ((const u8*)args)[i];
 464         }
 465         msgs[i].slave = intel_sdvo->slave_addr << 1;
 466         msgs[i].flags = 0;
 467         msgs[i].len = 2;
 468         msgs[i].buf = buf + 2*i;
 469         buf[2*i + 0] = SDVO_I2C_OPCODE;
 470         buf[2*i + 1] = cmd;
 471
 472         /* the following two are to read the response */
 473         status = SDVO_I2C_CMD_STATUS;
 474         msgs[i+1].slave = intel_sdvo->slave_addr << 1;
 475         msgs[i+1].flags = 0;
 476         msgs[i+1].len = 1;
 477         msgs[i+1].buf = &status;
 478
 479         msgs[i+2].slave = intel_sdvo->slave_addr << 1;
 480         msgs[i+2].flags = IIC_M_RD;
 481         msgs[i+2].len = 1;
 482         msgs[i+2].buf = &status;
 483
 484         ret = iicbus_transfer(intel_sdvo->i2c, msgs, i+3);
 485         if (ret != 0) {
 486                 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
 487                 return (false);
 488         }
 489 #if 0
 490         if (ret != i+3) {
 491                 /* failure in I2C transfer */
 492                 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
 493                 return false;
 494         }
 495 #endif
 496
 497         return true;
 498 }
 499
 500 static bool
 501 intel_sdvo_read_response(struct intel_sdvo *intel_sdvo, void *response,
 502     int response_len)
 503 {
 504         u8 retry = 5;
 505         u8 status;
 506         int i;
 507
 508         DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));
 509
 510         /*
 511          * The documentation states that all commands will be
 512          * processed within 15µs, and that we need only poll
 513          * the status byte a maximum of 3 times in order for the
 514          * command to be complete.
 515          *
 516          * Check 5 times in case the hardware failed to read the docs.
 517          */
 518         if (!intel_sdvo_read_byte(intel_sdvo, SDVO_I2C_CMD_STATUS, &status))
 519                 goto log_fail;
 520
 521         while (status == SDVO_CMD_STATUS_PENDING && retry--) {
 522                 DELAY(15);
 523                 if (!intel_sdvo_read_byte(intel_sdvo,
 524                     SDVO_I2C_CMD_STATUS, &status))
 525                         goto log_fail;
 526         }
 527
 528         if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) {
 529                 if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
 530                         printf("(%s)", cmd_status_names[status]);
 531                 else
 532                         printf("(??? %d)", status);
 533         }
 534
 535         if (status != SDVO_CMD_STATUS_SUCCESS)
 536                 goto log_fail;
 537
 538         /* Read the command response */
 539         for (i = 0; i < response_len; i++) {
 540                 if (!intel_sdvo_read_byte(intel_sdvo,
 541                                           SDVO_I2C_RETURN_0 + i,
 542                                           &((u8 *)response)[i]))
 543                         goto log_fail;
 544                 if ((drm_debug & DRM_DEBUGBITS_KMS) != 0)
 545                         printf(" %02X", ((u8 *)response)[i]);
 546         }
 547         if ((drm_debug & DRM_DEBUGBITS_KMS) != 0)
 548                 printf("\n");
 549         return (true);
 550
 551 log_fail:
 552         if ((drm_debug & DRM_DEBUGBITS_KMS) != 0)
 553                 printf("... failed\n");
 554         return (false);
 555 }
 556
 557 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
 558 {
 559         if (mode->clock >= 100000)
 560                 return 1;
 561         else if (mode->clock >= 50000)
 562                 return 2;
 563         else
 564                 return 4;
 565 }
 566
 567 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
 568                                               u8 ddc_bus)
 569 {
 570         /* This must be the immediately preceding write before the i2c xfer */
 571         return intel_sdvo_write_cmd(intel_sdvo,
 572                                     SDVO_CMD_SET_CONTROL_BUS_SWITCH,
 573                                     &ddc_bus, 1);
 574 }
 575
 576 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
 577 {
 578         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
 579                 return false;
 580
 581         return intel_sdvo_read_response(intel_sdvo, NULL, 0);
 582 }
 583
 584 static bool
 585 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
 586 {
 587         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
 588                 return false;
 589
 590         return intel_sdvo_read_response(intel_sdvo, value, len);
 591 }
 592
 593 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
 594 {
 595         struct intel_sdvo_set_target_input_args targets = {0};
 596         return intel_sdvo_set_value(intel_sdvo,
 597                                     SDVO_CMD_SET_TARGET_INPUT,
 598                                     &targets, sizeof(targets));
 599 }
 600
 601 /**
 602  * Return whether each input is trained.
 603  *
 604  * This function is making an assumption about the layout of the response,
 605  * which should be checked against the docs.
 606  */
 607 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
 608 {
 609         struct intel_sdvo_get_trained_inputs_response response;
 610
 611         CTASSERT(sizeof(response) == 1);
 612         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
 613                                   &response, sizeof(response)))
 614                 return false;
 615
 616         *input_1 = response.input0_trained;
 617         *input_2 = response.input1_trained;
 618         return true;
 619 }
 620
 621 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
 622                                           u16 outputs)
 623 {
 624         return intel_sdvo_set_value(intel_sdvo,
 625                                     SDVO_CMD_SET_ACTIVE_OUTPUTS,
 626                                     &outputs, sizeof(outputs));
 627 }
 628
 629 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
 630                                                int mode)
 631 {
 632         u8 state = SDVO_ENCODER_STATE_ON;
 633
 634         switch (mode) {
 635         case DRM_MODE_DPMS_ON:
 636                 state = SDVO_ENCODER_STATE_ON;
 637                 break;
 638         case DRM_MODE_DPMS_STANDBY:
 639                 state = SDVO_ENCODER_STATE_STANDBY;
 640                 break;
 641         case DRM_MODE_DPMS_SUSPEND:
 642                 state = SDVO_ENCODER_STATE_SUSPEND;
 643                 break;
 644         case DRM_MODE_DPMS_OFF:
 645                 state = SDVO_ENCODER_STATE_OFF;
 646                 break;
 647         }
 648
 649         return intel_sdvo_set_value(intel_sdvo,
 650                                     SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
 651 }
 652
 653 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
 654                                                    int *clock_min,
 655                                                    int *clock_max)
 656 {
 657         struct intel_sdvo_pixel_clock_range clocks;
 658
 659         CTASSERT(sizeof(clocks) == 4);
 660         if (!intel_sdvo_get_value(intel_sdvo,
 661                                   SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
 662                                   &clocks, sizeof(clocks)))
 663                 return false;
 664
 665         /* Convert the values from units of 10 kHz to kHz. */
 666         *clock_min = clocks.min * 10;
 667         *clock_max = clocks.max * 10;
 668         return true;
 669 }
 670
 671 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
 672                                          u16 outputs)
 673 {
 674         return intel_sdvo_set_value(intel_sdvo,
 675                                     SDVO_CMD_SET_TARGET_OUTPUT,
 676                                     &outputs, sizeof(outputs));
 677 }
 678
 679 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
 680                                   struct intel_sdvo_dtd *dtd)
 681 {
 682         return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
 683                 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
 684 }
 685
 686 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
 687                                          struct intel_sdvo_dtd *dtd)
 688 {
 689         return intel_sdvo_set_timing(intel_sdvo,
 690                                      SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
 691 }
 692
 693 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
 694                                          struct intel_sdvo_dtd *dtd)
 695 {
 696         return intel_sdvo_set_timing(intel_sdvo,
 697                                      SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
 698 }
 699
 700 static bool
 701 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 702                                          uint16_t clock,
 703                                          uint16_t width,
 704                                          uint16_t height)
 705 {
 706         struct intel_sdvo_preferred_input_timing_args args;
 707
 708         memset(&args, 0, sizeof(args));
 709         args.clock = clock;
 710         args.width = width;
 711         args.height = height;
 712         args.interlace = 0;
 713
 714         if (intel_sdvo->is_lvds &&
 715            (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
 716             intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
 717                 args.scaled = 1;
 718
 719         return intel_sdvo_set_value(intel_sdvo,
 720                                     SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
 721                                     &args, sizeof(args));
 722 }
 723
 724 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 725                                                   struct intel_sdvo_dtd *dtd)
 726 {
 727         CTASSERT(sizeof(dtd->part1) == 8);
 728         CTASSERT(sizeof(dtd->part2) == 8);
 729         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
 730                                     &dtd->part1, sizeof(dtd->part1)) &&
 731                 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
 732                                      &dtd->part2, sizeof(dtd->part2));
 733 }
 734
 735 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
 736 {
 737         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
 738 }
 739
 740 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
 741                                          const struct drm_display_mode *mode)
 742 {
 743         uint16_t width, height;
 744         uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
 745         uint16_t h_sync_offset, v_sync_offset;
 746         int mode_clock;
 747
 748         width = mode->hdisplay;
 749         height = mode->vdisplay;
 750
 751         /* do some mode translations */
 752         h_blank_len = mode->htotal - mode->hdisplay;
 753         h_sync_len = mode->hsync_end - mode->hsync_start;
 754
 755         v_blank_len = mode->vtotal - mode->vdisplay;
 756         v_sync_len = mode->vsync_end - mode->vsync_start;
 757
 758         h_sync_offset = mode->hsync_start - mode->hdisplay;
 759         v_sync_offset = mode->vsync_start - mode->vdisplay;
 760
 761         mode_clock = mode->clock;
 762         mode_clock /= intel_mode_get_pixel_multiplier(mode) ?: 1;
 763         mode_clock /= 10;
 764         dtd->part1.clock = mode_clock;
 765
 766         dtd->part1.h_active = width & 0xff;
 767         dtd->part1.h_blank = h_blank_len & 0xff;
 768         dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
 769                 ((h_blank_len >> 8) & 0xf);
 770         dtd->part1.v_active = height & 0xff;
 771         dtd->part1.v_blank = v_blank_len & 0xff;
 772         dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
 773                 ((v_blank_len >> 8) & 0xf);
 774
 775         dtd->part2.h_sync_off = h_sync_offset & 0xff;
 776         dtd->part2.h_sync_width = h_sync_len & 0xff;
 777         dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
 778                 (v_sync_len & 0xf);
 779         dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
 780                 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
 781                 ((v_sync_len & 0x30) >> 4);
 782
 783         dtd->part2.dtd_flags = 0x18;
 784         if (mode->flags & DRM_MODE_FLAG_PHSYNC)
 785                 dtd->part2.dtd_flags |= 0x2;
 786         if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 787                 dtd->part2.dtd_flags |= 0x4;
 788
 789         dtd->part2.sdvo_flags = 0;
 790         dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
 791         dtd->part2.reserved = 0;
 792 }
 793
 794 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
 795                                          const struct intel_sdvo_dtd *dtd)
 796 {
 797         mode->hdisplay = dtd->part1.h_active;
 798         mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
 799         mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
 800         mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
 801         mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
 802         mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
 803         mode->htotal = mode->hdisplay + dtd->part1.h_blank;
 804         mode->htotal += (dtd->part1.h_high & 0xf) << 8;
 805
 806         mode->vdisplay = dtd->part1.v_active;
 807         mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
 808         mode->vsync_start = mode->vdisplay;
 809         mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
 810         mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
 811         mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
 812         mode->vsync_end = mode->vsync_start +
 813                 (dtd->part2.v_sync_off_width & 0xf);
 814         mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
 815         mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
 816         mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
 817
 818         mode->clock = dtd->part1.clock * 10;
 819
 820         mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
 821         if (dtd->part2.dtd_flags & 0x2)
 822                 mode->flags |= DRM_MODE_FLAG_PHSYNC;
 823         if (dtd->part2.dtd_flags & 0x4)
 824                 mode->flags |= DRM_MODE_FLAG_PVSYNC;
 825 }
 826
 827 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
 828 {
 829         struct intel_sdvo_encode encode;
 830
 831         CTASSERT(sizeof(encode) == 2);
 832         return intel_sdvo_get_value(intel_sdvo,
 833                                   SDVO_CMD_GET_SUPP_ENCODE,
 834                                   &encode, sizeof(encode));
 835 }
 836
 837 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
 838                                   uint8_t mode)
 839 {
 840         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
 841 }
 842
 843 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
 844                                        uint8_t mode)
 845 {
 846         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
 847 }
 848
 849 #if 0
 850 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
 851 {
 852         int i, j;
 853         uint8_t set_buf_index[2];
 854         uint8_t av_split;
 855         uint8_t buf_size;
 856         uint8_t buf[48];
 857         uint8_t *pos;
 858
 859         intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
 860
 861         for (i = 0; i <= av_split; i++) {
 862                 set_buf_index[0] = i; set_buf_index[1] = 0;
 863                 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
 864                                      set_buf_index, 2);
 865                 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
 866                 intel_sdvo_read_response(encoder, &buf_size, 1);
 867
 868                 pos = buf;
 869                 for (j = 0; j <= buf_size; j += 8) {
 870                         intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
 871                                              NULL, 0);
 872                         intel_sdvo_read_response(encoder, pos, 8);
 873                         pos += 8;
 874                 }
 875         }
 876 }
 877 #endif
 878
 879 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
 880 {
 881         struct dip_infoframe avi_if = {
 882                 .type = DIP_TYPE_AVI,
 883                 .ver = DIP_VERSION_AVI,
 884                 .len = DIP_LEN_AVI,
 885         };
 886         uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
 887         uint8_t set_buf_index[2] = { 1, 0 };
 888         uint8_t sdvo_data[4 + sizeof(avi_if.body.avi)];
 889         uint64_t *data = (uint64_t *)sdvo_data;
 890         unsigned i;
 891
 892         intel_dip_infoframe_csum(&avi_if);
 893
 894         /* sdvo spec says that the ecc is handled by the hw, and it looks like
 895          * we must not send the ecc field, either. */
 896         memcpy(sdvo_data, &avi_if, 3);
 897         sdvo_data[3] = avi_if.checksum;
 898         memcpy(&sdvo_data[4], &avi_if.body, sizeof(avi_if.body.avi));
 899
 900         if (!intel_sdvo_set_value(intel_sdvo,
 901                                   SDVO_CMD_SET_HBUF_INDEX,
 902                                   set_buf_index, 2))
 903                 return false;
 904
 905         for (i = 0; i < sizeof(sdvo_data); i += 8) {
 906                 if (!intel_sdvo_set_value(intel_sdvo,
 907                                           SDVO_CMD_SET_HBUF_DATA,
 908                                           data, 8))
 909                         return false;
 910                 data++;
 911         }
 912
 913         return intel_sdvo_set_value(intel_sdvo,
 914                                     SDVO_CMD_SET_HBUF_TXRATE,
 915                                     &tx_rate, 1);
 916 }
 917
 918 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
 919 {
 920         struct intel_sdvo_tv_format format;
 921         uint32_t format_map;
 922
 923         format_map = 1 << intel_sdvo->tv_format_index;
 924         memset(&format, 0, sizeof(format));
 925         memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
 926
 927         CTASSERT(sizeof(format) == 6);
 928         return intel_sdvo_set_value(intel_sdvo,
 929                                     SDVO_CMD_SET_TV_FORMAT,
 930                                     &format, sizeof(format));
 931 }
 932
 933 static bool
 934 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
 935                                         const struct drm_display_mode *mode)
 936 {
 937         struct intel_sdvo_dtd output_dtd;
 938
 939         if (!intel_sdvo_set_target_output(intel_sdvo,
 940                                           intel_sdvo->attached_output))
 941                 return false;
 942
 943         intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
 944         if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
 945                 return false;
 946
 947         return true;
 948 }
 949
 950 static bool
 951 intel_sdvo_set_input_timings_for_mode(struct intel_sdvo *intel_sdvo,
 952                                         const struct drm_display_mode *mode,
 953                                         struct drm_display_mode *adjusted_mode)
 954 {
 955         /* Reset the input timing to the screen. Assume always input 0. */
 956         if (!intel_sdvo_set_target_input(intel_sdvo))
 957                 return false;
 958
 959         if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
 960                                                       mode->clock / 10,
 961                                                       mode->hdisplay,
 962                                                       mode->vdisplay))
 963                 return false;
 964
 965         if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
 966                                                    &intel_sdvo->input_dtd))
 967                 return false;
 968
 969         intel_sdvo_get_mode_from_dtd(adjusted_mode, &intel_sdvo->input_dtd);
 970
 971         return true;
 972 }
 973
 974 static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
 975                                   const struct drm_display_mode *mode,
 976                                   struct drm_display_mode *adjusted_mode)
 977 {
 978         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
 979         int multiplier;
 980
 981         /* We need to construct preferred input timings based on our
 982          * output timings.  To do that, we have to set the output
 983          * timings, even though this isn't really the right place in
 984          * the sequence to do it. Oh well.
 985          */
 986         if (intel_sdvo->is_tv) {
 987                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
 988                         return false;
 989
 990                 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
 991                                                              mode,
 992                                                              adjusted_mode);
 993         } else if (intel_sdvo->is_lvds) {
 994                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
 995                                                              intel_sdvo->sdvo_lvds_fixed_mode))
 996                         return false;
 997
 998                 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
 999                                                              mode,
1000                                                              adjusted_mode);
1001         }
1002
1003         /* Make the CRTC code factor in the SDVO pixel multiplier.  The
1004          * SDVO device will factor out the multiplier during mode_set.
1005          */
1006         multiplier = intel_sdvo_get_pixel_multiplier(adjusted_mode);
1007         intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
1008
1009         return true;
1010 }
1011
1012 static void intel_sdvo_mode_set(struct drm_encoder *encoder,
1013                                 struct drm_display_mode *mode,
1014                                 struct drm_display_mode *adjusted_mode)
1015 {
1016         struct drm_device *dev = encoder->dev;
1017         struct drm_i915_private *dev_priv = dev->dev_private;
1018         struct drm_crtc *crtc = encoder->crtc;
1019         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
1020         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1021         u32 sdvox;
1022         struct intel_sdvo_in_out_map in_out;
1023         struct intel_sdvo_dtd input_dtd, output_dtd;
1024         int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
1025         int rate;
1026
1027         if (!mode)
1028                 return;
1029
1030         /* First, set the input mapping for the first input to our controlled
1031          * output. This is only correct if we're a single-input device, in
1032          * which case the first input is the output from the appropriate SDVO
1033          * channel on the motherboard.  In a two-input device, the first input
1034          * will be SDVOB and the second SDVOC.
1035          */
1036         in_out.in0 = intel_sdvo->attached_output;
1037         in_out.in1 = 0;
1038
1039         intel_sdvo_set_value(intel_sdvo,
1040                              SDVO_CMD_SET_IN_OUT_MAP,
1041                              &in_out, sizeof(in_out));
1042
1043         /* Set the output timings to the screen */
1044         if (!intel_sdvo_set_target_output(intel_sdvo,
1045                                           intel_sdvo->attached_output))
1046                 return;
1047
1048         /* lvds has a special fixed output timing. */
1049         if (intel_sdvo->is_lvds)
1050                 intel_sdvo_get_dtd_from_mode(&output_dtd,
1051                                              intel_sdvo->sdvo_lvds_fixed_mode);
1052         else
1053                 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1054         (void) intel_sdvo_set_output_timing(intel_sdvo, &output_dtd);
1055
1056         /* Set the input timing to the screen. Assume always input 0. */
1057         if (!intel_sdvo_set_target_input(intel_sdvo))
1058                 return;
1059
1060         if (intel_sdvo->has_hdmi_monitor) {
1061                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1062                 intel_sdvo_set_colorimetry(intel_sdvo,
1063                                            SDVO_COLORIMETRY_RGB256);
1064                 intel_sdvo_set_avi_infoframe(intel_sdvo);
1065         } else
1066                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1067
1068         if (intel_sdvo->is_tv &&
1069             !intel_sdvo_set_tv_format(intel_sdvo))
1070                 return;
1071
1072         /* We have tried to get input timing in mode_fixup, and filled into
1073          * adjusted_mode.
1074          */
1075         intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1076         (void) intel_sdvo_set_input_timing(intel_sdvo, &input_dtd);
1077
1078         switch (pixel_multiplier) {
1079         default:
1080         case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1081         case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1082         case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1083         }
1084         if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1085                 return;
1086
1087         /* Set the SDVO control regs. */
1088         if (INTEL_INFO(dev)->gen >= 4) {
1089                 /* The real mode polarity is set by the SDVO commands, using
1090                  * struct intel_sdvo_dtd. */
1091                 sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
1092                 if (intel_sdvo->is_hdmi)
1093                         sdvox |= intel_sdvo->color_range;
1094                 if (INTEL_INFO(dev)->gen < 5)
1095                         sdvox |= SDVO_BORDER_ENABLE;
1096         } else {
1097                 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1098                 switch (intel_sdvo->sdvo_reg) {
1099                 case SDVOB:
1100                         sdvox &= SDVOB_PRESERVE_MASK;
1101                         break;
1102                 case SDVOC:
1103                         sdvox &= SDVOC_PRESERVE_MASK;
1104                         break;
1105                 }
1106                 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1107         }
1108
1109         if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
1110                 sdvox |= TRANSCODER_CPT(intel_crtc->pipe);
1111         else
1112                 sdvox |= TRANSCODER(intel_crtc->pipe);
1113
1114         if (intel_sdvo->has_hdmi_audio)
1115                 sdvox |= SDVO_AUDIO_ENABLE;
1116
1117         if (INTEL_INFO(dev)->gen >= 4) {
1118                 /* done in crtc_mode_set as the dpll_md reg must be written early */
1119         } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1120                 /* done in crtc_mode_set as it lives inside the dpll register */
1121         } else {
1122                 sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1123         }
1124
1125         if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1126             INTEL_INFO(dev)->gen < 5)
1127                 sdvox |= SDVO_STALL_SELECT;
1128         intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1129 }
1130
1131 static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1132 {
1133         struct drm_device *dev = encoder->dev;
1134         struct drm_i915_private *dev_priv = dev->dev_private;
1135         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1136         struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
1137         u32 temp;
1138
1139         if (mode != DRM_MODE_DPMS_ON) {
1140                 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1141                 if (0)
1142                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1143
1144                 if (mode == DRM_MODE_DPMS_OFF) {
1145                         temp = I915_READ(intel_sdvo->sdvo_reg);
1146                         if ((temp & SDVO_ENABLE) != 0) {
1147                                 intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
1148                         }
1149                 }
1150         } else {
1151                 bool input1, input2;
1152                 int i;
1153                 u8 status;
1154
1155                 temp = I915_READ(intel_sdvo->sdvo_reg);
1156                 if ((temp & SDVO_ENABLE) == 0)
1157                         intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
1158                 for (i = 0; i < 2; i++)
1159                         intel_wait_for_vblank(dev, intel_crtc->pipe);
1160
1161                 status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1162                 /* Warn if the device reported failure to sync.
1163                  * A lot of SDVO devices fail to notify of sync, but it's
1164                  * a given it the status is a success, we succeeded.
1165                  */
1166                 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1167                         DRM_DEBUG_KMS("First %s output reported failure to "
1168                                         "sync\n", SDVO_NAME(intel_sdvo));
1169                 }
1170
1171                 if (0)
1172                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1173                 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1174         }
1175         return;
1176 }
1177
1178 static int intel_sdvo_mode_valid(struct drm_connector *connector,
1179                                  struct drm_display_mode *mode)
1180 {
1181         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1182
1183         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1184                 return MODE_NO_DBLESCAN;
1185
1186         if (intel_sdvo->pixel_clock_min > mode->clock)
1187                 return MODE_CLOCK_LOW;
1188
1189         if (intel_sdvo->pixel_clock_max < mode->clock)
1190                 return MODE_CLOCK_HIGH;
1191
1192         if (intel_sdvo->is_lvds) {
1193                 if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1194                         return MODE_PANEL;
1195
1196                 if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1197                         return MODE_PANEL;
1198         }
1199
1200         return MODE_OK;
1201 }
1202
1203 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1204 {
1205         CTASSERT(sizeof(*caps) == 8);
1206         if (!intel_sdvo_get_value(intel_sdvo,
1207                                   SDVO_CMD_GET_DEVICE_CAPS,
1208                                   caps, sizeof(*caps)))
1209                 return false;
1210
1211         DRM_DEBUG_KMS("SDVO capabilities:\n"
1212                       "  vendor_id: %d\n"
1213                       "  device_id: %d\n"
1214                       "  device_rev_id: %d\n"
1215                       "  sdvo_version_major: %d\n"
1216                       "  sdvo_version_minor: %d\n"
1217                       "  sdvo_inputs_mask: %d\n"
1218                       "  smooth_scaling: %d\n"
1219                       "  sharp_scaling: %d\n"
1220                       "  up_scaling: %d\n"
1221                       "  down_scaling: %d\n"
1222                       "  stall_support: %d\n"
1223                       "  output_flags: %d\n",
1224                       caps->vendor_id,
1225                       caps->device_id,
1226                       caps->device_rev_id,
1227                       caps->sdvo_version_major,
1228                       caps->sdvo_version_minor,
1229                       caps->sdvo_inputs_mask,
1230                       caps->smooth_scaling,
1231                       caps->sharp_scaling,
1232                       caps->up_scaling,
1233                       caps->down_scaling,
1234                       caps->stall_support,
1235                       caps->output_flags);
1236
1237         return true;
1238 }
1239
1240 static int intel_sdvo_supports_hotplug(struct intel_sdvo *intel_sdvo)
1241 {
1242         struct drm_device *dev = intel_sdvo->base.base.dev;
1243         u8 response[2];
1244
1245         /* HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
1246          * on the line. */
1247         if (IS_I945G(dev) || IS_I945GM(dev))
1248                 return false;
1249
1250         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1251                                     &response, 2) && response[0];
1252 }
1253
1254 static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
1255 {
1256         struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1257
1258         intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG,
1259                              &intel_sdvo->hotplug_active, 2);
1260 }
1261
1262 static bool
1263 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1264 {
1265         /* Is there more than one type of output? */
1266         return bitcount16(intel_sdvo->caps.output_flags) > 1;
1267 }
1268
1269 static struct edid *
1270 intel_sdvo_get_edid(struct drm_connector *connector)
1271 {
1272         struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
1273         return drm_get_edid(connector, sdvo->ddc);
1274 }
1275
1276 /* Mac mini hack -- use the same DDC as the analog connector */
1277 static struct edid *
1278 intel_sdvo_get_analog_edid(struct drm_connector *connector)
1279 {
1280         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1281
1282         return drm_get_edid(connector,
1283                             intel_gmbus_get_adapter(dev_priv,
1284                                                     dev_priv->crt_ddc_pin));
1285 }
1286
1287 static enum drm_connector_status
1288 intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
1289 {
1290         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1291         enum drm_connector_status status;
1292         struct edid *edid;
1293
1294         edid = intel_sdvo_get_edid(connector);
1295
1296         if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1297                 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1298
1299                 /*
1300                  * Don't use the 1 as the argument of DDC bus switch to get
1301                  * the EDID. It is used for SDVO SPD ROM.
1302                  */
1303                 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1304                         intel_sdvo->ddc_bus = ddc;
1305                         edid = intel_sdvo_get_edid(connector);
1306                         if (edid)
1307                                 break;
1308                 }
1309                 /*
1310                  * If we found the EDID on the other bus,
1311                  * assume that is the correct DDC bus.
1312                  */
1313                 if (edid == NULL)
1314                         intel_sdvo->ddc_bus = saved_ddc;
1315         }
1316
1317         /*
1318          * When there is no edid and no monitor is connected with VGA
1319          * port, try to use the CRT ddc to read the EDID for DVI-connector.
1320          */
1321         if (edid == NULL)
1322                 edid = intel_sdvo_get_analog_edid(connector);
1323
1324         status = connector_status_unknown;
1325         if (edid != NULL) {
1326                 /* DDC bus is shared, match EDID to connector type */
1327                 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1328                         status = connector_status_connected;
1329                         if (intel_sdvo->is_hdmi) {
1330                                 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1331                                 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1332                         }
1333                 } else
1334                         status = connector_status_disconnected;
1335                 free(edid, DRM_MEM_KMS);
1336         }
1337
1338         if (status == connector_status_connected) {
1339                 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1340                 if (intel_sdvo_connector->force_audio != HDMI_AUDIO_AUTO)
1341                         intel_sdvo->has_hdmi_audio = (intel_sdvo_connector->force_audio == HDMI_AUDIO_ON);
1342         }
1343
1344         return status;
1345 }
1346
1347 static bool
1348 intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
1349                                   struct edid *edid)
1350 {
1351         bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1352         bool connector_is_digital = !!IS_DIGITAL(sdvo);
1353
1354         DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
1355                       connector_is_digital, monitor_is_digital);
1356         return connector_is_digital == monitor_is_digital;
1357 }
1358
1359 static enum drm_connector_status
1360 intel_sdvo_detect(struct drm_connector *connector, bool force)
1361 {
1362         uint16_t response;
1363         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1364         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1365         enum drm_connector_status ret;
1366
1367         if (!intel_sdvo_write_cmd(intel_sdvo,
1368                                   SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
1369                 return connector_status_unknown;
1370
1371         /* add 30ms delay when the output type might be TV */
1372         if (intel_sdvo->caps.output_flags & SDVO_TV_MASK)
1373                 drm_msleep(30, "915svo");
1374
1375         if (!intel_sdvo_read_response(intel_sdvo, &response, 2))
1376                 return connector_status_unknown;
1377
1378         DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1379                       response & 0xff, response >> 8,
1380                       intel_sdvo_connector->output_flag);
1381
1382         if (response == 0)
1383                 return connector_status_disconnected;
1384
1385         intel_sdvo->attached_output = response;
1386
1387         intel_sdvo->has_hdmi_monitor = false;
1388         intel_sdvo->has_hdmi_audio = false;
1389
1390         if ((intel_sdvo_connector->output_flag & response) == 0)
1391                 ret = connector_status_disconnected;
1392         else if (IS_TMDS(intel_sdvo_connector))
1393                 ret = intel_sdvo_tmds_sink_detect(connector);
1394         else {
1395                 struct edid *edid;
1396
1397                 /* if we have an edid check it matches the connection */
1398                 edid = intel_sdvo_get_edid(connector);
1399                 if (edid == NULL)
1400                         edid = intel_sdvo_get_analog_edid(connector);
1401                 if (edid != NULL) {
1402                         if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
1403                                                               edid))
1404                                 ret = connector_status_connected;
1405                         else
1406                                 ret = connector_status_disconnected;
1407
1408                         free(edid, DRM_MEM_KMS);
1409                 } else
1410                         ret = connector_status_connected;
1411         }
1412
1413         /* May update encoder flag for like clock for SDVO TV, etc.*/
1414         if (ret == connector_status_connected) {
1415                 intel_sdvo->is_tv = false;
1416                 intel_sdvo->is_lvds = false;
1417                 intel_sdvo->base.needs_tv_clock = false;
1418
1419                 if (response & SDVO_TV_MASK) {
1420                         intel_sdvo->is_tv = true;
1421                         intel_sdvo->base.needs_tv_clock = true;
1422                 }
1423                 if (response & SDVO_LVDS_MASK)
1424                         intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1425         }
1426
1427         return ret;
1428 }
1429
1430 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1431 {
1432         struct edid *edid;
1433
1434         /* set the bus switch and get the modes */
1435         edid = intel_sdvo_get_edid(connector);
1436
1437         /*
1438          * Mac mini hack.  On this device, the DVI-I connector shares one DDC
1439          * link between analog and digital outputs. So, if the regular SDVO
1440          * DDC fails, check to see if the analog output is disconnected, in
1441          * which case we'll look there for the digital DDC data.
1442          */
1443         if (edid == NULL)
1444                 edid = intel_sdvo_get_analog_edid(connector);
1445
1446         if (edid != NULL) {
1447                 if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
1448                                                       edid)) {
1449                         drm_mode_connector_update_edid_property(connector, edid);
1450                         drm_add_edid_modes(connector, edid);
1451                 }
1452
1453                 free(edid, DRM_MEM_KMS);
1454         }
1455 }
1456
1457 /*
1458  * Set of SDVO TV modes.
1459  * Note!  This is in reply order (see loop in get_tv_modes).
1460  * XXX: all 60Hz refresh?
1461  */
1462 static const struct drm_display_mode sdvo_tv_modes[] = {
1463         { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1464                    416, 0, 200, 201, 232, 233, 0,
1465                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1466         { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1467                    416, 0, 240, 241, 272, 273, 0,
1468                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1469         { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1470                    496, 0, 300, 301, 332, 333, 0,
1471                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1472         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1473                    736, 0, 350, 351, 382, 383, 0,
1474                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1475         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1476                    736, 0, 400, 401, 432, 433, 0,
1477                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1478         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1479                    736, 0, 480, 481, 512, 513, 0,
1480                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1481         { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1482                    800, 0, 480, 481, 512, 513, 0,
1483                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1484         { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1485                    800, 0, 576, 577, 608, 609, 0,
1486                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1487         { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1488                    816, 0, 350, 351, 382, 383, 0,
1489                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1490         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1491                    816, 0, 400, 401, 432, 433, 0,
1492                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1493         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1494                    816, 0, 480, 481, 512, 513, 0,
1495                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1496         { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1497                    816, 0, 540, 541, 572, 573, 0,
1498                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1499         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1500                    816, 0, 576, 577, 608, 609, 0,
1501                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1502         { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1503                    864, 0, 576, 577, 608, 609, 0,
1504                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1505         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1506                    896, 0, 600, 601, 632, 633, 0,
1507                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1508         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1509                    928, 0, 624, 625, 656, 657, 0,
1510                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1511         { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1512                    1016, 0, 766, 767, 798, 799, 0,
1513                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1514         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1515                    1120, 0, 768, 769, 800, 801, 0,
1516                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1517         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1518                    1376, 0, 1024, 1025, 1056, 1057, 0,
1519                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1520 };
1521
1522 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1523 {
1524         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1525         struct intel_sdvo_sdtv_resolution_request tv_res;
1526         uint32_t reply = 0, format_map = 0;
1527         int i;
1528
1529         /* Read the list of supported input resolutions for the selected TV
1530          * format.
1531          */
1532         format_map = 1 << intel_sdvo->tv_format_index;
1533         memcpy(&tv_res, &format_map,
1534                min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1535
1536         if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1537                 return;
1538
1539         CTASSERT(sizeof(tv_res) == 3);
1540         if (!intel_sdvo_write_cmd(intel_sdvo,
1541                                   SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1542                                   &tv_res, sizeof(tv_res)))
1543                 return;
1544         if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1545                 return;
1546
1547         for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1548                 if (reply & (1 << i)) {
1549                         struct drm_display_mode *nmode;
1550                         nmode = drm_mode_duplicate(connector->dev,
1551                                                    &sdvo_tv_modes[i]);
1552                         if (nmode)
1553                                 drm_mode_probed_add(connector, nmode);
1554                 }
1555 }
1556
1557 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1558 {
1559         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1560         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1561         struct drm_display_mode *newmode;
1562
1563         /*
1564          * Attempt to get the mode list from DDC.
1565          * Assume that the preferred modes are
1566          * arranged in priority order.
1567          */
1568         intel_ddc_get_modes(connector, intel_sdvo->i2c);
1569         if (!list_empty(&connector->probed_modes))
1570                 goto end;
1571
1572         /* Fetch modes from VBT */
1573         if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1574                 newmode = drm_mode_duplicate(connector->dev,
1575                                              dev_priv->sdvo_lvds_vbt_mode);
1576                 if (newmode != NULL) {
1577                         /* Guarantee the mode is preferred */
1578                         newmode->type = (DRM_MODE_TYPE_PREFERRED |
1579                                          DRM_MODE_TYPE_DRIVER);
1580                         drm_mode_probed_add(connector, newmode);
1581                 }
1582         }
1583
1584 end:
1585         list_for_each_entry(newmode, &connector->probed_modes, head) {
1586                 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1587                         intel_sdvo->sdvo_lvds_fixed_mode =
1588                                 drm_mode_duplicate(connector->dev, newmode);
1589
1590                         intel_sdvo->is_lvds = true;
1591                         break;
1592                 }
1593         }
1594
1595 }
1596
1597 static int intel_sdvo_get_modes(struct drm_connector *connector)
1598 {
1599         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1600
1601         if (IS_TV(intel_sdvo_connector))
1602                 intel_sdvo_get_tv_modes(connector);
1603         else if (IS_LVDS(intel_sdvo_connector))
1604                 intel_sdvo_get_lvds_modes(connector);
1605         else
1606                 intel_sdvo_get_ddc_modes(connector);
1607
1608         return !list_empty(&connector->probed_modes);
1609 }
1610
1611 static void
1612 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1613 {
1614         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1615         struct drm_device *dev = connector->dev;
1616
1617         if (intel_sdvo_connector->left)
1618                 drm_property_destroy(dev, intel_sdvo_connector->left);
1619         if (intel_sdvo_connector->right)
1620                 drm_property_destroy(dev, intel_sdvo_connector->right);
1621         if (intel_sdvo_connector->top)
1622                 drm_property_destroy(dev, intel_sdvo_connector->top);
1623         if (intel_sdvo_connector->bottom)
1624                 drm_property_destroy(dev, intel_sdvo_connector->bottom);
1625         if (intel_sdvo_connector->hpos)
1626                 drm_property_destroy(dev, intel_sdvo_connector->hpos);
1627         if (intel_sdvo_connector->vpos)
1628                 drm_property_destroy(dev, intel_sdvo_connector->vpos);
1629         if (intel_sdvo_connector->saturation)
1630                 drm_property_destroy(dev, intel_sdvo_connector->saturation);
1631         if (intel_sdvo_connector->contrast)
1632                 drm_property_destroy(dev, intel_sdvo_connector->contrast);
1633         if (intel_sdvo_connector->hue)
1634                 drm_property_destroy(dev, intel_sdvo_connector->hue);
1635         if (intel_sdvo_connector->sharpness)
1636                 drm_property_destroy(dev, intel_sdvo_connector->sharpness);
1637         if (intel_sdvo_connector->flicker_filter)
1638                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
1639         if (intel_sdvo_connector->flicker_filter_2d)
1640                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
1641         if (intel_sdvo_connector->flicker_filter_adaptive)
1642                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
1643         if (intel_sdvo_connector->tv_luma_filter)
1644                 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
1645         if (intel_sdvo_connector->tv_chroma_filter)
1646                 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
1647         if (intel_sdvo_connector->dot_crawl)
1648                 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
1649         if (intel_sdvo_connector->brightness)
1650                 drm_property_destroy(dev, intel_sdvo_connector->brightness);
1651 }
1652
1653 static void intel_sdvo_destroy(struct drm_connector *connector)
1654 {
1655         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1656
1657         if (intel_sdvo_connector->tv_format)
1658                 drm_property_destroy(connector->dev,
1659                                      intel_sdvo_connector->tv_format);
1660
1661         intel_sdvo_destroy_enhance_property(connector);
1662 #if 0
1663         drm_sysfs_connector_remove(connector);
1664 #endif
1665         drm_connector_cleanup(connector);
1666         free(connector, DRM_MEM_KMS);
1667 }
1668
1669 static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
1670 {
1671         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1672         struct edid *edid;
1673         bool has_audio = false;
1674
1675         if (!intel_sdvo->is_hdmi)
1676                 return false;
1677
1678         edid = intel_sdvo_get_edid(connector);
1679         if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
1680                 has_audio = drm_detect_monitor_audio(edid);
1681
1682         return has_audio;
1683 }
1684
1685 static int
1686 intel_sdvo_set_property(struct drm_connector *connector,
1687                         struct drm_property *property,
1688                         uint64_t val)
1689 {
1690         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1691         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1692         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1693         uint16_t temp_value;
1694         uint8_t cmd;
1695         int ret;
1696
1697         ret = drm_object_property_set_value(&connector->base, property, val);
1698         if (ret)
1699                 return ret;
1700
1701         if (property == dev_priv->force_audio_property) {
1702                 int i = val;
1703                 bool has_audio;
1704
1705                 if (i == intel_sdvo_connector->force_audio)
1706                         return 0;
1707
1708                 intel_sdvo_connector->force_audio = i;
1709
1710                 if (i == HDMI_AUDIO_AUTO)
1711                         has_audio = intel_sdvo_detect_hdmi_audio(connector);
1712                 else
1713                         has_audio = (i == HDMI_AUDIO_ON);
1714
1715                 if (has_audio == intel_sdvo->has_hdmi_audio)
1716                         return 0;
1717
1718                 intel_sdvo->has_hdmi_audio = has_audio;
1719                 goto done;
1720         }
1721
1722         if (property == dev_priv->broadcast_rgb_property) {
1723                 if (val == !!intel_sdvo->color_range)
1724                         return 0;
1725
1726                 intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
1727                 goto done;
1728         }
1729
1730 #define CHECK_PROPERTY(name, NAME) \
1731         if (intel_sdvo_connector->name == property) { \
1732                 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
1733                 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1734                 cmd = SDVO_CMD_SET_##NAME; \
1735                 intel_sdvo_connector->cur_##name = temp_value; \
1736                 goto set_value; \
1737         }
1738
1739         if (property == intel_sdvo_connector->tv_format) {
1740                 if (val >= TV_FORMAT_NUM)
1741                         return -EINVAL;
1742
1743                 if (intel_sdvo->tv_format_index ==
1744                     intel_sdvo_connector->tv_format_supported[val])
1745                         return 0;
1746
1747                 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
1748                 goto done;
1749         } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
1750                 temp_value = val;
1751                 if (intel_sdvo_connector->left == property) {
1752                         drm_object_property_set_value(&connector->base,
1753                                                          intel_sdvo_connector->right, val);
1754                         if (intel_sdvo_connector->left_margin == temp_value)
1755                                 return 0;
1756
1757                         intel_sdvo_connector->left_margin = temp_value;
1758                         intel_sdvo_connector->right_margin = temp_value;
1759                         temp_value = intel_sdvo_connector->max_hscan -
1760                                 intel_sdvo_connector->left_margin;
1761                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1762                         goto set_value;
1763                 } else if (intel_sdvo_connector->right == property) {
1764                         drm_object_property_set_value(&connector->base,
1765                                                          intel_sdvo_connector->left, val);
1766                         if (intel_sdvo_connector->right_margin == temp_value)
1767                                 return 0;
1768
1769                         intel_sdvo_connector->left_margin = temp_value;
1770                         intel_sdvo_connector->right_margin = temp_value;
1771                         temp_value = intel_sdvo_connector->max_hscan -
1772                                 intel_sdvo_connector->left_margin;
1773                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1774                         goto set_value;
1775                 } else if (intel_sdvo_connector->top == property) {
1776                         drm_object_property_set_value(&connector->base,
1777                                                          intel_sdvo_connector->bottom, val);
1778                         if (intel_sdvo_connector->top_margin == temp_value)
1779                                 return 0;
1780
1781                         intel_sdvo_connector->top_margin = temp_value;
1782                         intel_sdvo_connector->bottom_margin = temp_value;
1783                         temp_value = intel_sdvo_connector->max_vscan -
1784                                 intel_sdvo_connector->top_margin;
1785                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1786                         goto set_value;
1787                 } else if (intel_sdvo_connector->bottom == property) {
1788                         drm_object_property_set_value(&connector->base,
1789                                                          intel_sdvo_connector->top, val);
1790                         if (intel_sdvo_connector->bottom_margin == temp_value)
1791                                 return 0;
1792
1793                         intel_sdvo_connector->top_margin = temp_value;
1794                         intel_sdvo_connector->bottom_margin = temp_value;
1795                         temp_value = intel_sdvo_connector->max_vscan -
1796                                 intel_sdvo_connector->top_margin;
1797                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1798                         goto set_value;
1799                 }
1800                 CHECK_PROPERTY(hpos, HPOS)
1801                 CHECK_PROPERTY(vpos, VPOS)
1802                 CHECK_PROPERTY(saturation, SATURATION)
1803                 CHECK_PROPERTY(contrast, CONTRAST)
1804                 CHECK_PROPERTY(hue, HUE)
1805                 CHECK_PROPERTY(brightness, BRIGHTNESS)
1806                 CHECK_PROPERTY(sharpness, SHARPNESS)
1807                 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1808                 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1809                 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1810                 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1811                 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1812                 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1813         }
1814
1815         return -EINVAL; /* unknown property */
1816
1817 set_value:
1818         if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
1819                 return -EIO;
1820
1821
1822 done:
1823         if (intel_sdvo->base.base.crtc) {
1824                 struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
1825                 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1826                                          crtc->y, crtc->fb);
1827         }
1828
1829         return 0;
1830 #undef CHECK_PROPERTY
1831 }
1832
1833 static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
1834         .dpms = intel_sdvo_dpms,
1835         .mode_fixup = intel_sdvo_mode_fixup,
1836         .prepare = intel_encoder_prepare,
1837         .mode_set = intel_sdvo_mode_set,
1838         .commit = intel_encoder_commit,
1839 };
1840
1841 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
1842         .dpms = drm_helper_connector_dpms,
1843         .detect = intel_sdvo_detect,
1844         .fill_modes = drm_helper_probe_single_connector_modes,
1845         .set_property = intel_sdvo_set_property,
1846         .destroy = intel_sdvo_destroy,
1847 };
1848
1849 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
1850         .get_modes = intel_sdvo_get_modes,
1851         .mode_valid = intel_sdvo_mode_valid,
1852         .best_encoder = intel_best_encoder,
1853 };
1854
1855 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
1856 {
1857         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1858
1859         if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
1860                 drm_mode_destroy(encoder->dev,
1861                                  intel_sdvo->sdvo_lvds_fixed_mode);
1862
1863         device_delete_child(intel_sdvo->base.base.dev->dev,
1864             intel_sdvo->ddc_iic_bus);
1865         intel_encoder_destroy(encoder);
1866 }
1867
1868 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
1869         .destroy = intel_sdvo_enc_destroy,
1870 };
1871
1872 static void
1873 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
1874 {
1875         uint16_t mask = 0;
1876         unsigned int num_bits;
1877
1878         /* Make a mask of outputs less than or equal to our own priority in the
1879          * list.
1880          */
1881         switch (sdvo->controlled_output) {
1882         case SDVO_OUTPUT_LVDS1:
1883                 mask |= SDVO_OUTPUT_LVDS1;
1884         case SDVO_OUTPUT_LVDS0:
1885                 mask |= SDVO_OUTPUT_LVDS0;
1886         case SDVO_OUTPUT_TMDS1:
1887                 mask |= SDVO_OUTPUT_TMDS1;
1888         case SDVO_OUTPUT_TMDS0:
1889                 mask |= SDVO_OUTPUT_TMDS0;
1890         case SDVO_OUTPUT_RGB1:
1891                 mask |= SDVO_OUTPUT_RGB1;
1892         case SDVO_OUTPUT_RGB0:
1893                 mask |= SDVO_OUTPUT_RGB0;
1894                 break;
1895         }
1896
1897         /* Count bits to find what number we are in the priority list. */
1898         mask &= sdvo->caps.output_flags;
1899         num_bits = bitcount16(mask);
1900         /* If more than 3 outputs, default to DDC bus 3 for now. */
1901         if (num_bits > 3)
1902                 num_bits = 3;
1903
1904         /* Corresponds to SDVO_CONTROL_BUS_DDCx */
1905         sdvo->ddc_bus = 1 << num_bits;
1906 }
1907
1908 /**
1909  * Choose the appropriate DDC bus for control bus switch command for this
1910  * SDVO output based on the controlled output.
1911  *
1912  * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
1913  * outputs, then LVDS outputs.
1914  */
1915 static void
1916 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
1917                           struct intel_sdvo *sdvo, u32 reg)
1918 {
1919         struct sdvo_device_mapping *mapping;
1920
1921         if (sdvo->is_sdvob)
1922                 mapping = &(dev_priv->sdvo_mappings[0]);
1923         else
1924                 mapping = &(dev_priv->sdvo_mappings[1]);
1925
1926         if (mapping->initialized)
1927                 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
1928         else
1929                 intel_sdvo_guess_ddc_bus(sdvo);
1930 }
1931
1932 static void
1933 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
1934                           struct intel_sdvo *sdvo, u32 reg)
1935 {
1936         struct sdvo_device_mapping *mapping;
1937         u8 pin;
1938
1939         if (sdvo->is_sdvob)
1940                 mapping = &dev_priv->sdvo_mappings[0];
1941         else
1942                 mapping = &dev_priv->sdvo_mappings[1];
1943
1944         pin = GMBUS_PORT_DPB;
1945         if (mapping->initialized)
1946                 pin = mapping->i2c_pin;
1947
1948         if (intel_gmbus_is_port_valid(pin)) {
1949                 sdvo->i2c = intel_gmbus_get_adapter(dev_priv, pin);
1950                 intel_gmbus_set_speed(sdvo->i2c, GMBUS_RATE_1MHZ);
1951                 intel_gmbus_force_bit(sdvo->i2c, true);
1952         } else {
1953                 sdvo->i2c = intel_gmbus_get_adapter(dev_priv, GMBUS_PORT_DPB);
1954         }
1955 }
1956
1957 static bool
1958 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
1959 {
1960         return intel_sdvo_check_supp_encode(intel_sdvo);
1961 }
1962
1963 static u8
1964 intel_sdvo_get_slave_addr(struct drm_device *dev, struct intel_sdvo *sdvo)
1965 {
1966         struct drm_i915_private *dev_priv = dev->dev_private;
1967         struct sdvo_device_mapping *my_mapping, *other_mapping;
1968
1969         if (sdvo->is_sdvob) {
1970                 my_mapping = &dev_priv->sdvo_mappings[0];
1971                 other_mapping = &dev_priv->sdvo_mappings[1];
1972         } else {
1973                 my_mapping = &dev_priv->sdvo_mappings[1];
1974                 other_mapping = &dev_priv->sdvo_mappings[0];
1975         }
1976
1977         /* If the BIOS described our SDVO device, take advantage of it. */
1978         if (my_mapping->slave_addr)
1979                 return my_mapping->slave_addr;
1980
1981         /* If the BIOS only described a different SDVO device, use the
1982          * address that it isn't using.
1983          */
1984         if (other_mapping->slave_addr) {
1985                 if (other_mapping->slave_addr == 0x70)
1986                         return 0x72;
1987                 else
1988                         return 0x70;
1989         }
1990
1991         /* No SDVO device info is found for another DVO port,
1992          * so use mapping assumption we had before BIOS parsing.
1993          */
1994         if (sdvo->is_sdvob)
1995                 return 0x70;
1996         else
1997                 return 0x72;
1998 }
1999
2000 static void
2001 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2002                           struct intel_sdvo *encoder)
2003 {
2004         drm_connector_init(encoder->base.base.dev,
2005                            &connector->base.base,
2006                            &intel_sdvo_connector_funcs,
2007                            connector->base.base.connector_type);
2008
2009         drm_connector_helper_add(&connector->base.base,
2010                                  &intel_sdvo_connector_helper_funcs);
2011
2012         connector->base.base.interlace_allowed = 1;
2013         connector->base.base.doublescan_allowed = 0;
2014         connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2015
2016         intel_connector_attach_encoder(&connector->base, &encoder->base);
2017 #if 0
2018         drm_sysfs_connector_add(&connector->base.base);
2019 #endif
2020 }
2021
2022 static void
2023 intel_sdvo_add_hdmi_properties(struct intel_sdvo_connector *connector)
2024 {
2025         struct drm_device *dev = connector->base.base.dev;
2026
2027         intel_attach_force_audio_property(&connector->base.base);
2028         if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev))
2029                 intel_attach_broadcast_rgb_property(&connector->base.base);
2030 }
2031
2032 static bool
2033 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2034 {
2035         struct drm_encoder *encoder = &intel_sdvo->base.base;
2036         struct drm_connector *connector;
2037         struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
2038         struct intel_connector *intel_connector;
2039         struct intel_sdvo_connector *intel_sdvo_connector;
2040
2041         intel_sdvo_connector = malloc(sizeof(struct intel_sdvo_connector),
2042             DRM_MEM_KMS, M_WAITOK | M_ZERO);
2043
2044         if (device == 0) {
2045                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2046                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2047         } else if (device == 1) {
2048                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2049                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2050         }
2051
2052         intel_connector = &intel_sdvo_connector->base;
2053         connector = &intel_connector->base;
2054         if (intel_sdvo_supports_hotplug(intel_sdvo) & (1 << device)) {
2055                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2056                 intel_sdvo->hotplug_active[0] |= 1 << device;
2057                 /* Some SDVO devices have one-shot hotplug interrupts.
2058                  * Ensure that they get re-enabled when an interrupt happens.
2059                  */
2060                 intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
2061                 intel_sdvo_enable_hotplug(intel_encoder);
2062         }
2063         else
2064                 connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2065         encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2066         connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2067
2068         if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2069                 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2070                 intel_sdvo->is_hdmi = true;
2071         }
2072         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2073                                        (1 << INTEL_ANALOG_CLONE_BIT));
2074
2075         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2076         if (intel_sdvo->is_hdmi)
2077                 intel_sdvo_add_hdmi_properties(intel_sdvo_connector);
2078
2079         return true;
2080 }
2081
2082 static bool
2083 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2084 {
2085         struct drm_encoder *encoder = &intel_sdvo->base.base;
2086         struct drm_connector *connector;
2087         struct intel_connector *intel_connector;
2088         struct intel_sdvo_connector *intel_sdvo_connector;
2089
2090         intel_sdvo_connector = malloc(sizeof(struct intel_sdvo_connector),
2091             DRM_MEM_KMS, M_WAITOK | M_ZERO);
2092         if (!intel_sdvo_connector)
2093                 return false;
2094
2095         intel_connector = &intel_sdvo_connector->base;
2096         connector = &intel_connector->base;
2097         encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2098         connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2099
2100         intel_sdvo->controlled_output |= type;
2101         intel_sdvo_connector->output_flag = type;
2102
2103         intel_sdvo->is_tv = true;
2104         intel_sdvo->base.needs_tv_clock = true;
2105         intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2106
2107         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2108
2109         if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2110                 goto err;
2111
2112         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2113                 goto err;
2114
2115         return true;
2116
2117 err:
2118         intel_sdvo_destroy(connector);
2119         return false;
2120 }
2121
2122 static bool
2123 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2124 {
2125         struct drm_encoder *encoder = &intel_sdvo->base.base;
2126         struct drm_connector *connector;
2127         struct intel_connector *intel_connector;
2128         struct intel_sdvo_connector *intel_sdvo_connector;
2129
2130         intel_sdvo_connector = malloc(sizeof(struct intel_sdvo_connector),
2131             DRM_MEM_KMS, M_WAITOK | M_ZERO);
2132
2133         intel_connector = &intel_sdvo_connector->base;
2134         connector = &intel_connector->base;
2135         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2136         encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2137         connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2138
2139         if (device == 0) {
2140                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2141                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2142         } else if (device == 1) {
2143                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2144                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2145         }
2146
2147         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2148                                        (1 << INTEL_ANALOG_CLONE_BIT));
2149
2150         intel_sdvo_connector_init(intel_sdvo_connector,
2151                                   intel_sdvo);
2152         return true;
2153 }
2154
2155 static bool
2156 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2157 {
2158         struct drm_encoder *encoder = &intel_sdvo->base.base;
2159         struct drm_connector *connector;
2160         struct intel_connector *intel_connector;
2161         struct intel_sdvo_connector *intel_sdvo_connector;
2162
2163         intel_sdvo_connector = malloc(sizeof(struct intel_sdvo_connector),
2164             DRM_MEM_KMS, M_WAITOK | M_ZERO);
2165
2166         intel_connector = &intel_sdvo_connector->base;
2167         connector = &intel_connector->base;
2168         encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2169         connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2170
2171         if (device == 0) {
2172                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2173                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2174         } else if (device == 1) {
2175                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2176                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2177         }
2178
2179         intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
2180                                        (1 << INTEL_SDVO_LVDS_CLONE_BIT));
2181
2182         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2183         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2184                 goto err;
2185
2186         return true;
2187
2188 err:
2189         intel_sdvo_destroy(connector);
2190         return false;
2191 }
2192
2193 static bool
2194 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2195 {
2196         intel_sdvo->is_tv = false;
2197         intel_sdvo->base.needs_tv_clock = false;
2198         intel_sdvo->is_lvds = false;
2199
2200         /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2201
2202         if (flags & SDVO_OUTPUT_TMDS0)
2203                 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2204                         return false;
2205
2206         if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2207                 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2208                         return false;
2209
2210         /* TV has no XXX1 function block */
2211         if (flags & SDVO_OUTPUT_SVID0)
2212                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2213                         return false;
2214
2215         if (flags & SDVO_OUTPUT_CVBS0)
2216                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2217                         return false;
2218
2219         if (flags & SDVO_OUTPUT_YPRPB0)
2220                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_YPRPB0))
2221                         return false;
2222
2223         if (flags & SDVO_OUTPUT_RGB0)
2224                 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2225                         return false;
2226
2227         if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2228                 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2229                         return false;
2230
2231         if (flags & SDVO_OUTPUT_LVDS0)
2232                 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2233                         return false;
2234
2235         if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2236                 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2237                         return false;
2238
2239         if ((flags & SDVO_OUTPUT_MASK) == 0) {
2240                 unsigned char bytes[2];
2241
2242                 intel_sdvo->controlled_output = 0;
2243                 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2244                 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2245                               SDVO_NAME(intel_sdvo),
2246                               bytes[0], bytes[1]);
2247                 return false;
2248         }
2249         intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
2250
2251         return true;
2252 }
2253
2254 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2255                                           struct intel_sdvo_connector *intel_sdvo_connector,
2256                                           int type)
2257 {
2258         struct drm_device *dev = intel_sdvo->base.base.dev;
2259         struct intel_sdvo_tv_format format;
2260         uint32_t format_map, i;
2261
2262         if (!intel_sdvo_set_target_output(intel_sdvo, type))
2263                 return false;
2264
2265         CTASSERT(sizeof(format) == 6);
2266         if (!intel_sdvo_get_value(intel_sdvo,
2267                                   SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2268                                   &format, sizeof(format)))
2269                 return false;
2270
2271         memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2272
2273         if (format_map == 0)
2274                 return false;
2275
2276         intel_sdvo_connector->format_supported_num = 0;
2277         for (i = 0 ; i < TV_FORMAT_NUM; i++)
2278                 if (format_map & (1 << i))
2279                         intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2280
2281
2282         intel_sdvo_connector->tv_format =
2283                         drm_property_create(dev, DRM_MODE_PROP_ENUM,
2284                                             "mode", intel_sdvo_connector->format_supported_num);
2285         if (!intel_sdvo_connector->tv_format)
2286                 return false;
2287
2288         for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2289                 drm_property_add_enum(
2290                                 intel_sdvo_connector->tv_format, i,
2291                                 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2292
2293         intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2294         drm_object_attach_property(&intel_sdvo_connector->base.base.base,
2295                                       intel_sdvo_connector->tv_format, 0);
2296         return true;
2297
2298 }
2299
2300 #define ENHANCEMENT(name, NAME) do { \
2301         if (enhancements.name) { \
2302                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2303                     !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2304                         return false; \
2305                 intel_sdvo_connector->max_##name = data_value[0]; \
2306                 intel_sdvo_connector->cur_##name = response; \
2307                 intel_sdvo_connector->name = \
2308                         drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2309                 if (!intel_sdvo_connector->name) return false; \
2310                 drm_object_attach_property(&connector->base, \
2311                                               intel_sdvo_connector->name, \
2312                                               intel_sdvo_connector->cur_##name); \
2313                 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2314                               data_value[0], data_value[1], response); \
2315         } \
2316 } while (0)
2317
2318 static bool
2319 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2320                                       struct intel_sdvo_connector *intel_sdvo_connector,
2321                                       struct intel_sdvo_enhancements_reply enhancements)
2322 {
2323         struct drm_device *dev = intel_sdvo->base.base.dev;
2324         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2325         uint16_t response, data_value[2];
2326
2327         /* when horizontal overscan is supported, Add the left/right  property */
2328         if (enhancements.overscan_h) {
2329                 if (!intel_sdvo_get_value(intel_sdvo,
2330                                           SDVO_CMD_GET_MAX_OVERSCAN_H,
2331                                           &data_value, 4))
2332                         return false;
2333
2334                 if (!intel_sdvo_get_value(intel_sdvo,
2335                                           SDVO_CMD_GET_OVERSCAN_H,
2336                                           &response, 2))
2337                         return false;
2338
2339                 intel_sdvo_connector->max_hscan = data_value[0];
2340                 intel_sdvo_connector->left_margin = data_value[0] - response;
2341                 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2342                 intel_sdvo_connector->left =
2343                         drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
2344                 if (!intel_sdvo_connector->left)
2345                         return false;
2346
2347                 drm_object_attach_property(&connector->base,
2348                                               intel_sdvo_connector->left,
2349                                               intel_sdvo_connector->left_margin);
2350
2351                 intel_sdvo_connector->right =
2352                         drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
2353                 if (!intel_sdvo_connector->right)
2354                         return false;
2355
2356                 drm_object_attach_property(&connector->base,
2357                                               intel_sdvo_connector->right,
2358                                               intel_sdvo_connector->right_margin);
2359                 DRM_DEBUG_KMS("h_overscan: max %d, "
2360                               "default %d, current %d\n",
2361                               data_value[0], data_value[1], response);
2362         }
2363
2364         if (enhancements.overscan_v) {
2365                 if (!intel_sdvo_get_value(intel_sdvo,
2366                                           SDVO_CMD_GET_MAX_OVERSCAN_V,
2367                                           &data_value, 4))
2368                         return false;
2369
2370                 if (!intel_sdvo_get_value(intel_sdvo,
2371                                           SDVO_CMD_GET_OVERSCAN_V,
2372                                           &response, 2))
2373                         return false;
2374
2375                 intel_sdvo_connector->max_vscan = data_value[0];
2376                 intel_sdvo_connector->top_margin = data_value[0] - response;
2377                 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2378                 intel_sdvo_connector->top =
2379                         drm_property_create_range(dev, 0,
2380                                             "top_margin", 0, data_value[0]);
2381                 if (!intel_sdvo_connector->top)
2382                         return false;
2383
2384                 drm_object_attach_property(&connector->base,
2385                                               intel_sdvo_connector->top,
2386                                               intel_sdvo_connector->top_margin);
2387
2388                 intel_sdvo_connector->bottom =
2389                         drm_property_create_range(dev, 0,
2390                                             "bottom_margin", 0, data_value[0]);
2391                 if (!intel_sdvo_connector->bottom)
2392                         return false;
2393
2394                 drm_object_attach_property(&connector->base,
2395                                               intel_sdvo_connector->bottom,
2396                                               intel_sdvo_connector->bottom_margin);
2397                 DRM_DEBUG_KMS("v_overscan: max %d, "
2398                               "default %d, current %d\n",
2399                               data_value[0], data_value[1], response);
2400         }
2401
2402         ENHANCEMENT(hpos, HPOS);
2403         ENHANCEMENT(vpos, VPOS);
2404         ENHANCEMENT(saturation, SATURATION);
2405         ENHANCEMENT(contrast, CONTRAST);
2406         ENHANCEMENT(hue, HUE);
2407         ENHANCEMENT(sharpness, SHARPNESS);
2408         ENHANCEMENT(brightness, BRIGHTNESS);
2409         ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2410         ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2411         ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2412         ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2413         ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2414
2415         if (enhancements.dot_crawl) {
2416                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2417                         return false;
2418
2419                 intel_sdvo_connector->max_dot_crawl = 1;
2420                 intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2421                 intel_sdvo_connector->dot_crawl =
2422                         drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
2423                 if (!intel_sdvo_connector->dot_crawl)
2424                         return false;
2425
2426                 drm_object_attach_property(&connector->base,
2427                                               intel_sdvo_connector->dot_crawl,
2428                                               intel_sdvo_connector->cur_dot_crawl);
2429                 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2430         }
2431
2432         return true;
2433 }
2434
2435 static bool
2436 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2437                                         struct intel_sdvo_connector *intel_sdvo_connector,
2438                                         struct intel_sdvo_enhancements_reply enhancements)
2439 {
2440         struct drm_device *dev = intel_sdvo->base.base.dev;
2441         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2442         uint16_t response, data_value[2];
2443
2444         ENHANCEMENT(brightness, BRIGHTNESS);
2445
2446         return true;
2447 }
2448 #undef ENHANCEMENT
2449
2450 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2451                                                struct intel_sdvo_connector *intel_sdvo_connector)
2452 {
2453         union {
2454                 struct intel_sdvo_enhancements_reply reply;
2455                 uint16_t response;
2456         } enhancements;
2457
2458         CTASSERT(sizeof(enhancements) == 2);
2459
2460         enhancements.response = 0;
2461         intel_sdvo_get_value(intel_sdvo,
2462                              SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2463                              &enhancements, sizeof(enhancements));
2464         if (enhancements.response == 0) {
2465                 DRM_DEBUG_KMS("No enhancement is supported\n");
2466                 return true;
2467         }
2468
2469         if (IS_TV(intel_sdvo_connector))
2470                 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2471         else if (IS_LVDS(intel_sdvo_connector))
2472                 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2473         else
2474                 return true;
2475 }
2476
2477 struct intel_sdvo_ddc_proxy_sc {
2478         struct intel_sdvo *intel_sdvo;
2479         device_t port;
2480 };
2481
2482 static int
2483 intel_sdvo_ddc_proxy_probe(device_t idev)
2484 {
2485
2486         return (BUS_PROBE_DEFAULT);
2487 }
2488
2489 static int
2490 intel_sdvo_ddc_proxy_attach(device_t idev)
2491 {
2492         struct intel_sdvo_ddc_proxy_sc *sc;
2493
2494         sc = device_get_softc(idev);
2495         sc->port = device_add_child(idev, "iicbus", -1);
2496         if (sc->port == NULL)
2497                 return (ENXIO);
2498         device_quiet(sc->port);
2499         bus_generic_attach(idev);
2500         return (0);
2501 }
2502
2503 static int
2504 intel_sdvo_ddc_proxy_detach(device_t idev)
2505 {
2506         struct intel_sdvo_ddc_proxy_sc *sc;
2507         device_t port;
2508
2509         sc = device_get_softc(idev);
2510         port = sc->port;
2511         bus_generic_detach(idev);
2512         if (port != NULL)
2513                 device_delete_child(idev, port);
2514         return (0);
2515 }
2516
2517 static int
2518 intel_sdvo_ddc_proxy_reset(device_t idev, u_char speed, u_char addr,
2519     u_char *oldaddr)
2520 {
2521         struct intel_sdvo_ddc_proxy_sc *sc;
2522         struct intel_sdvo *sdvo;
2523
2524         sc = device_get_softc(idev);
2525         sdvo = sc->intel_sdvo;
2526
2527         return (IICBUS_RESET(device_get_parent(sdvo->i2c), speed, addr,
2528             oldaddr));
2529 }
2530
2531 static int
2532 intel_sdvo_ddc_proxy_transfer(device_t idev, struct iic_msg *msgs, uint32_t num)
2533 {
2534         struct intel_sdvo_ddc_proxy_sc *sc;
2535         struct intel_sdvo *sdvo;
2536
2537         sc = device_get_softc(idev);
2538         sdvo = sc->intel_sdvo;
2539
2540         if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2541                 return (EIO);
2542
2543         return (iicbus_transfer(sdvo->i2c, msgs, num));
2544 }
2545
2546 static bool
2547 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo, struct drm_device *dev,
2548     int sdvo_reg)
2549 {
2550         struct intel_sdvo_ddc_proxy_sc *sc;
2551         int ret;
2552
2553         sdvo->ddc_iic_bus = device_add_child(dev->dev,
2554             "intel_sdvo_ddc_proxy", sdvo_reg);
2555         if (sdvo->ddc_iic_bus == NULL) {
2556                 DRM_ERROR("cannot create ddc proxy bus %d\n", sdvo_reg);
2557                 return (false);
2558         }
2559         device_quiet(sdvo->ddc_iic_bus);
2560         ret = device_probe_and_attach(sdvo->ddc_iic_bus);
2561         if (ret != 0) {
2562                 DRM_ERROR("cannot attach proxy bus %d error %d\n",
2563                     sdvo_reg, ret);
2564                 device_delete_child(dev->dev, sdvo->ddc_iic_bus);
2565                 return (false);
2566         }
2567         sc = device_get_softc(sdvo->ddc_iic_bus);
2568         sc->intel_sdvo = sdvo;
2569
2570         sdvo->ddc = sc->port;
2571         return (true);
2572 }
2573
2574 static device_method_t intel_sdvo_ddc_proxy_methods[] = {
2575         DEVMETHOD(device_probe,         intel_sdvo_ddc_proxy_probe),
2576         DEVMETHOD(device_attach,        intel_sdvo_ddc_proxy_attach),
2577         DEVMETHOD(device_detach,        intel_sdvo_ddc_proxy_detach),
2578         DEVMETHOD(iicbus_reset,         intel_sdvo_ddc_proxy_reset),
2579         DEVMETHOD(iicbus_transfer,      intel_sdvo_ddc_proxy_transfer),
2580         DEVMETHOD_END
2581 };
2582 static driver_t intel_sdvo_ddc_proxy_driver = {
2583         "intel_sdvo_ddc_proxy",
2584         intel_sdvo_ddc_proxy_methods,
2585         sizeof(struct intel_sdvo_ddc_proxy_sc)
2586 };
2587 static devclass_t intel_sdvo_devclass;
2588 DRIVER_MODULE_ORDERED(intel_sdvo_ddc_proxy, drmn, intel_sdvo_ddc_proxy_driver,
2589     intel_sdvo_devclass, 0, 0, SI_ORDER_FIRST);
2590
2591
2592 bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
2593 {
2594         struct drm_i915_private *dev_priv = dev->dev_private;
2595         struct intel_encoder *intel_encoder;
2596         struct intel_sdvo *intel_sdvo;
2597         int i;
2598
2599         intel_sdvo = malloc(sizeof(struct intel_sdvo), DRM_MEM_KMS,
2600             M_WAITOK | M_ZERO);
2601
2602         intel_sdvo->sdvo_reg = sdvo_reg;
2603         intel_sdvo->is_sdvob = is_sdvob;
2604         intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, intel_sdvo) >> 1;
2605         intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
2606         if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev, sdvo_reg)) {
2607                 free(intel_sdvo, DRM_MEM_KMS);
2608                 return false;
2609         }
2610
2611         /* encoder type will be decided later */
2612         intel_encoder = &intel_sdvo->base;
2613         intel_encoder->type = INTEL_OUTPUT_SDVO;
2614         drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
2615
2616         /* Read the regs to test if we can talk to the device */
2617         for (i = 0; i < 0x40; i++) {
2618                 u8 byte;
2619
2620                 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
2621                         DRM_DEBUG_KMS("No SDVO device found on %s\n",
2622                                       SDVO_NAME(intel_sdvo));
2623                         goto err;
2624                 }
2625         }
2626
2627         if (intel_sdvo->is_sdvob)
2628                 dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
2629         else
2630                 dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
2631
2632         drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
2633
2634         /* In default case sdvo lvds is false */
2635         if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
2636                 goto err;
2637
2638         /* Set up hotplug command - note paranoia about contents of reply.
2639          * We assume that the hardware is in a sane state, and only touch
2640          * the bits we think we understand.
2641          */
2642         intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG,
2643                              &intel_sdvo->hotplug_active, 2);
2644         intel_sdvo->hotplug_active[0] &= ~0x3;
2645
2646         if (intel_sdvo_output_setup(intel_sdvo,
2647                                     intel_sdvo->caps.output_flags) != true) {
2648                 DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
2649                               SDVO_NAME(intel_sdvo));
2650                 goto err;
2651         }
2652
2653         intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
2654
2655         /* Set the input timing to the screen. Assume always input 0. */
2656         if (!intel_sdvo_set_target_input(intel_sdvo))
2657                 goto err;
2658
2659         if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
2660                                                     &intel_sdvo->pixel_clock_min,
2661                                                     &intel_sdvo->pixel_clock_max))
2662                 goto err;
2663
2664         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2665                         "clock range %dMHz - %dMHz, "
2666                         "input 1: %c, input 2: %c, "
2667                         "output 1: %c, output 2: %c\n",
2668                         SDVO_NAME(intel_sdvo),
2669                         intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
2670                         intel_sdvo->caps.device_rev_id,
2671                         intel_sdvo->pixel_clock_min / 1000,
2672                         intel_sdvo->pixel_clock_max / 1000,
2673                         (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2674                         (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2675                         /* check currently supported outputs */
2676                         intel_sdvo->caps.output_flags &
2677                         (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2678                         intel_sdvo->caps.output_flags &
2679                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2680         return true;
2681
2682 err:
2683         drm_encoder_cleanup(&intel_encoder->base);
2684         free(intel_sdvo, DRM_MEM_KMS);
2685
2686         return false;
2687 }