drivers/gpu/drm/i915/intel_sdvo.c

   1 /*
   2  * Copyright 2006 Dave Airlie <airlied@linux.ie>
   3  * Copyright © 2006-2007 Intel Corporation
   4  *   Jesse Barnes <jesse.barnes@intel.com>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23  * DEALINGS IN THE SOFTWARE.
  24  *
  25  * Authors:
  26  *      Eric Anholt <eric@anholt.net>
  27  */
  28 #include <linux/i2c.h>
  29 #include <linux/slab.h>
  30 #include <linux/delay.h>
  31 #include <linux/export.h>
  32 #include "drmP.h"
  33 #include "drm.h"
  34 #include "drm_crtc.h"
  35 #include "drm_edid.h"
  36 #include "intel_drv.h"
  37 #include "i915_drm.h"
  38 #include "i915_drv.h"
  39 #include "intel_sdvo_regs.h"
  40
  41 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
  42 #define SDVO_RGB_MASK  (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
  43 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
  44 #define SDVO_TV_MASK   (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0)
  45
  46 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
  47                         SDVO_TV_MASK)
  48
  49 #define IS_TV(c)        (c->output_flag & SDVO_TV_MASK)
  50 #define IS_TMDS(c)      (c->output_flag & SDVO_TMDS_MASK)
  51 #define IS_LVDS(c)      (c->output_flag & SDVO_LVDS_MASK)
  52 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
  53 #define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
  54
  55
  56 static const char *tv_format_names[] = {
  57         "NTSC_M"   , "NTSC_J"  , "NTSC_443",
  58         "PAL_B"    , "PAL_D"   , "PAL_G"   ,
  59         "PAL_H"    , "PAL_I"   , "PAL_M"   ,
  60         "PAL_N"    , "PAL_NC"  , "PAL_60"  ,
  61         "SECAM_B"  , "SECAM_D" , "SECAM_G" ,
  62         "SECAM_K"  , "SECAM_K1", "SECAM_L" ,
  63         "SECAM_60"
  64 };
  65
  66 #define TV_FORMAT_NUM  (sizeof(tv_format_names) / sizeof(*tv_format_names))
  67
  68 struct intel_sdvo {
  69         struct intel_encoder base;
  70
  71         struct i2c_adapter *i2c;
  72         u8 slave_addr;
  73
  74         struct i2c_adapter ddc;
  75
  76         /* Register for the SDVO device: SDVOB or SDVOC */
  77         int sdvo_reg;
  78
  79         /* Active outputs controlled by this SDVO output */
  80         uint16_t controlled_output;
  81
  82         /*
  83          * Capabilities of the SDVO device returned by
  84          * i830_sdvo_get_capabilities()
  85          */
  86         struct intel_sdvo_caps caps;
  87
  88         /* Pixel clock limitations reported by the SDVO device, in kHz */
  89         int pixel_clock_min, pixel_clock_max;
  90
  91         /*
  92         * For multiple function SDVO device,
  93         * this is for current attached outputs.
  94         */
  95         uint16_t attached_output;
  96
  97         /*
  98          * Hotplug activation bits for this device
  99          */
 100         uint8_t hotplug_active[2];
 101
 102         /**
 103          * This is used to select the color range of RBG outputs in HDMI mode.
 104          * It is only valid when using TMDS encoding and 8 bit per color mode.
 105          */
 106         uint32_t color_range;
 107
 108         /**
 109          * This is set if we're going to treat the device as TV-out.
 110          *
 111          * While we have these nice friendly flags for output types that ought
 112          * to decide this for us, the S-Video output on our HDMI+S-Video card
 113          * shows up as RGB1 (VGA).
 114          */
 115         bool is_tv;
 116
 117         /* This is for current tv format name */
 118         int tv_format_index;
 119
 120         /**
 121          * This is set if we treat the device as HDMI, instead of DVI.
 122          */
 123         bool is_hdmi;
 124         bool has_hdmi_monitor;
 125         bool has_hdmi_audio;
 126
 127         /**
 128          * This is set if we detect output of sdvo device as LVDS and
 129          * have a valid fixed mode to use with the panel.
 130          */
 131         bool is_lvds;
 132
 133         /**
 134          * This is sdvo fixed pannel mode pointer
 135          */
 136         struct drm_display_mode *sdvo_lvds_fixed_mode;
 137
 138         /* DDC bus used by this SDVO encoder */
 139         uint8_t ddc_bus;
 140
 141         /* Input timings for adjusted_mode */
 142         struct intel_sdvo_dtd input_dtd;
 143 };
 144
 145 struct intel_sdvo_connector {
 146         struct intel_connector base;
 147
 148         /* Mark the type of connector */
 149         uint16_t output_flag;
 150
 151         enum hdmi_force_audio force_audio;
 152
 153         /* This contains all current supported TV format */
 154         u8 tv_format_supported[TV_FORMAT_NUM];
 155         int   format_supported_num;
 156         struct drm_property *tv_format;
 157
 158         /* add the property for the SDVO-TV */
 159         struct drm_property *left;
 160         struct drm_property *right;
 161         struct drm_property *top;
 162         struct drm_property *bottom;
 163         struct drm_property *hpos;
 164         struct drm_property *vpos;
 165         struct drm_property *contrast;
 166         struct drm_property *saturation;
 167         struct drm_property *hue;
 168         struct drm_property *sharpness;
 169         struct drm_property *flicker_filter;
 170         struct drm_property *flicker_filter_adaptive;
 171         struct drm_property *flicker_filter_2d;
 172         struct drm_property *tv_chroma_filter;
 173         struct drm_property *tv_luma_filter;
 174         struct drm_property *dot_crawl;
 175
 176         /* add the property for the SDVO-TV/LVDS */
 177         struct drm_property *brightness;
 178
 179         /* Add variable to record current setting for the above property */
 180         u32     left_margin, right_margin, top_margin, bottom_margin;
 181
 182         /* this is to get the range of margin.*/
 183         u32     max_hscan,  max_vscan;
 184         u32     max_hpos, cur_hpos;
 185         u32     max_vpos, cur_vpos;
 186         u32     cur_brightness, max_brightness;
 187         u32     cur_contrast,   max_contrast;
 188         u32     cur_saturation, max_saturation;
 189         u32     cur_hue,        max_hue;
 190         u32     cur_sharpness,  max_sharpness;
 191         u32     cur_flicker_filter,             max_flicker_filter;
 192         u32     cur_flicker_filter_adaptive,    max_flicker_filter_adaptive;
 193         u32     cur_flicker_filter_2d,          max_flicker_filter_2d;
 194         u32     cur_tv_chroma_filter,   max_tv_chroma_filter;
 195         u32     cur_tv_luma_filter,     max_tv_luma_filter;
 196         u32     cur_dot_crawl,  max_dot_crawl;
 197 };
 198
 199 static struct intel_sdvo *to_intel_sdvo(struct drm_encoder *encoder)
 200 {
 201         return container_of(encoder, struct intel_sdvo, base.base);
 202 }
 203
 204 static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
 205 {
 206         return container_of(intel_attached_encoder(connector),
 207                             struct intel_sdvo, base);
 208 }
 209
 210 static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector)
 211 {
 212         return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);
 213 }
 214
 215 static bool
 216 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
 217 static bool
 218 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
 219                               struct intel_sdvo_connector *intel_sdvo_connector,
 220                               int type);
 221 static bool
 222 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
 223                                    struct intel_sdvo_connector *intel_sdvo_connector);
 224
 225 /**
 226  * Writes the SDVOB or SDVOC with the given value, but always writes both
 227  * SDVOB and SDVOC to work around apparent hardware issues (according to
 228  * comments in the BIOS).
 229  */
 230 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
 231 {
 232         struct drm_device *dev = intel_sdvo->base.base.dev;
 233         struct drm_i915_private *dev_priv = dev->dev_private;
 234         u32 bval = val, cval = val;
 235         int i;
 236
 237         if (intel_sdvo->sdvo_reg == PCH_SDVOB) {
 238                 I915_WRITE(intel_sdvo->sdvo_reg, val);
 239                 I915_READ(intel_sdvo->sdvo_reg);
 240                 return;
 241         }
 242
 243         if (intel_sdvo->sdvo_reg == SDVOB) {
 244                 cval = I915_READ(SDVOC);
 245         } else {
 246                 bval = I915_READ(SDVOB);
 247         }
 248         /*
 249          * Write the registers twice for luck. Sometimes,
 250          * writing them only once doesn't appear to 'stick'.
 251          * The BIOS does this too. Yay, magic
 252          */
 253         for (i = 0; i < 2; i++)
 254         {
 255                 I915_WRITE(SDVOB, bval);
 256                 I915_READ(SDVOB);
 257                 I915_WRITE(SDVOC, cval);
 258                 I915_READ(SDVOC);
 259         }
 260 }
 261
 262 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
 263 {
 264         struct i2c_msg msgs[] = {
 265                 {
 266                         .addr = intel_sdvo->slave_addr,
 267                         .flags = 0,
 268                         .len = 1,
 269                         .buf = &addr,
 270                 },
 271                 {
 272                         .addr = intel_sdvo->slave_addr,
 273                         .flags = I2C_M_RD,
 274                         .len = 1,
 275                         .buf = ch,
 276                 }
 277         };
 278         int ret;
 279
 280         if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
 281                 return true;
 282
 283         DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
 284         return false;
 285 }
 286
 287 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
 288 /** Mapping of command numbers to names, for debug output */
 289 static const struct _sdvo_cmd_name {
 290         u8 cmd;
 291         const char *name;
 292 } sdvo_cmd_names[] = {
 293         SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
 294         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
 295         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
 296         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
 297         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
 298         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
 299         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
 300         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
 301         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
 302         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
 303         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
 304         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
 305         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
 306         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
 307         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
 308         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
 309         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
 310         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 311         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
 312         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 313         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
 314         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
 315         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
 316         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
 317         SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
 318         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
 319         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
 320         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
 321         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
 322         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
 323         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
 324         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
 325         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
 326         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
 327         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
 328         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
 329         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
 330         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
 331         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
 332         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
 333         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
 334         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
 335         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
 336
 337         /* Add the op code for SDVO enhancements */
 338         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
 339         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
 340         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
 341         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
 342         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
 343         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
 344         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
 345         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
 346         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
 347         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
 348         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
 349         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
 350         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
 351         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
 352         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
 353         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
 354         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
 355         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
 356         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
 357         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
 358         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
 359         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
 360         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
 361         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
 362         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
 363         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
 364         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
 365         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
 366         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
 367         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
 368         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
 369         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
 370         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
 371         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
 372         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
 373         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
 374         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
 375         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
 376         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
 377         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
 378         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
 379         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
 380         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
 381         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
 382
 383         /* HDMI op code */
 384         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
 385         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
 386         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
 387         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
 388         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
 389         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
 390         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
 391         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
 392         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
 393         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
 394         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
 395         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
 396         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
 397         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
 398         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
 399         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
 400         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
 401         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
 402         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
 403         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
 404 };
 405
 406 #define IS_SDVOB(reg)   (reg == SDVOB || reg == PCH_SDVOB)
 407 #define SDVO_NAME(svdo) (IS_SDVOB((svdo)->sdvo_reg) ? "SDVOB" : "SDVOC")
 408
 409 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
 410                                    const void *args, int args_len)
 411 {
 412         int i;
 413
 414         DRM_DEBUG_KMS("%s: W: %02X ",
 415                                 SDVO_NAME(intel_sdvo), cmd);
 416         for (i = 0; i < args_len; i++)
 417                 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
 418         for (; i < 8; i++)
 419                 DRM_LOG_KMS("   ");
 420         for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
 421                 if (cmd == sdvo_cmd_names[i].cmd) {
 422                         DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
 423                         break;
 424                 }
 425         }
 426         if (i == ARRAY_SIZE(sdvo_cmd_names))
 427                 DRM_LOG_KMS("(%02X)", cmd);
 428         DRM_LOG_KMS("\n");
 429 }
 430
 431 static const char *cmd_status_names[] = {
 432         "Power on",
 433         "Success",
 434         "Not supported",
 435         "Invalid arg",
 436         "Pending",
 437         "Target not specified",
 438         "Scaling not supported"
 439 };
 440
 441 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
 442                                  const void *args, int args_len)
 443 {
 444         u8 buf[args_len*2 + 2], status;
 445         struct i2c_msg msgs[args_len + 3];
 446         int i, ret;
 447
 448         intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
 449
 450         for (i = 0; i < args_len; i++) {
 451                 msgs[i].addr = intel_sdvo->slave_addr;
 452                 msgs[i].flags = 0;
 453                 msgs[i].len = 2;
 454                 msgs[i].buf = buf + 2 *i;
 455                 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
 456                 buf[2*i + 1] = ((u8*)args)[i];
 457         }
 458         msgs[i].addr = intel_sdvo->slave_addr;
 459         msgs[i].flags = 0;
 460         msgs[i].len = 2;
 461         msgs[i].buf = buf + 2*i;
 462         buf[2*i + 0] = SDVO_I2C_OPCODE;
 463         buf[2*i + 1] = cmd;
 464
 465         /* the following two are to read the response */
 466         status = SDVO_I2C_CMD_STATUS;
 467         msgs[i+1].addr = intel_sdvo->slave_addr;
 468         msgs[i+1].flags = 0;
 469         msgs[i+1].len = 1;
 470         msgs[i+1].buf = &status;
 471
 472         msgs[i+2].addr = intel_sdvo->slave_addr;
 473         msgs[i+2].flags = I2C_M_RD;
 474         msgs[i+2].len = 1;
 475         msgs[i+2].buf = &status;
 476
 477         ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
 478         if (ret < 0) {
 479                 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
 480                 return false;
 481         }
 482         if (ret != i+3) {
 483                 /* failure in I2C transfer */
 484                 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
 485                 return false;
 486         }
 487
 488         return true;
 489 }
 490
 491 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
 492                                      void *response, int response_len)
 493 {
 494         u8 retry = 5;
 495         u8 status;
 496         int i;
 497
 498         DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));
 499
 500         /*
 501          * The documentation states that all commands will be
 502          * processed within 15µs, and that we need only poll
 503          * the status byte a maximum of 3 times in order for the
 504          * command to be complete.
 505          *
 506          * Check 5 times in case the hardware failed to read the docs.
 507          */
 508         if (!intel_sdvo_read_byte(intel_sdvo,
 509                                   SDVO_I2C_CMD_STATUS,
 510                                   &status))
 511                 goto log_fail;
 512
 513         while (status == SDVO_CMD_STATUS_PENDING && retry--) {
 514                 udelay(15);
 515                 if (!intel_sdvo_read_byte(intel_sdvo,
 516                                           SDVO_I2C_CMD_STATUS,
 517                                           &status))
 518                         goto log_fail;
 519         }
 520
 521         if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
 522                 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
 523         else
 524                 DRM_LOG_KMS("(??? %d)", status);
 525
 526         if (status != SDVO_CMD_STATUS_SUCCESS)
 527                 goto log_fail;
 528
 529         /* Read the command response */
 530         for (i = 0; i < response_len; i++) {
 531                 if (!intel_sdvo_read_byte(intel_sdvo,
 532                                           SDVO_I2C_RETURN_0 + i,
 533                                           &((u8 *)response)[i]))
 534                         goto log_fail;
 535                 DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
 536         }
 537         DRM_LOG_KMS("\n");
 538         return true;
 539
 540 log_fail:
 541         DRM_LOG_KMS("... failed\n");
 542         return false;
 543 }
 544
 545 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
 546 {
 547         if (mode->clock >= 100000)
 548                 return 1;
 549         else if (mode->clock >= 50000)
 550                 return 2;
 551         else
 552                 return 4;
 553 }
 554
 555 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
 556                                               u8 ddc_bus)
 557 {
 558         /* This must be the immediately preceding write before the i2c xfer */
 559         return intel_sdvo_write_cmd(intel_sdvo,
 560                                     SDVO_CMD_SET_CONTROL_BUS_SWITCH,
 561                                     &ddc_bus, 1);
 562 }
 563
 564 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
 565 {
 566         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
 567                 return false;
 568
 569         return intel_sdvo_read_response(intel_sdvo, NULL, 0);
 570 }
 571
 572 static bool
 573 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
 574 {
 575         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
 576                 return false;
 577
 578         return intel_sdvo_read_response(intel_sdvo, value, len);
 579 }
 580
 581 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
 582 {
 583         struct intel_sdvo_set_target_input_args targets = {0};
 584         return intel_sdvo_set_value(intel_sdvo,
 585                                     SDVO_CMD_SET_TARGET_INPUT,
 586                                     &targets, sizeof(targets));
 587 }
 588
 589 /**
 590  * Return whether each input is trained.
 591  *
 592  * This function is making an assumption about the layout of the response,
 593  * which should be checked against the docs.
 594  */
 595 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
 596 {
 597         struct intel_sdvo_get_trained_inputs_response response;
 598
 599         BUILD_BUG_ON(sizeof(response) != 1);
 600         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
 601                                   &response, sizeof(response)))
 602                 return false;
 603
 604         *input_1 = response.input0_trained;
 605         *input_2 = response.input1_trained;
 606         return true;
 607 }
 608
 609 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
 610                                           u16 outputs)
 611 {
 612         return intel_sdvo_set_value(intel_sdvo,
 613                                     SDVO_CMD_SET_ACTIVE_OUTPUTS,
 614                                     &outputs, sizeof(outputs));
 615 }
 616
 617 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
 618                                                int mode)
 619 {
 620         u8 state = SDVO_ENCODER_STATE_ON;
 621
 622         switch (mode) {
 623         case DRM_MODE_DPMS_ON:
 624                 state = SDVO_ENCODER_STATE_ON;
 625                 break;
 626         case DRM_MODE_DPMS_STANDBY:
 627                 state = SDVO_ENCODER_STATE_STANDBY;
 628                 break;
 629         case DRM_MODE_DPMS_SUSPEND:
 630                 state = SDVO_ENCODER_STATE_SUSPEND;
 631                 break;
 632         case DRM_MODE_DPMS_OFF:
 633                 state = SDVO_ENCODER_STATE_OFF;
 634                 break;
 635         }
 636
 637         return intel_sdvo_set_value(intel_sdvo,
 638                                     SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
 639 }
 640
 641 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
 642                                                    int *clock_min,
 643                                                    int *clock_max)
 644 {
 645         struct intel_sdvo_pixel_clock_range clocks;
 646
 647         BUILD_BUG_ON(sizeof(clocks) != 4);
 648         if (!intel_sdvo_get_value(intel_sdvo,
 649                                   SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
 650                                   &clocks, sizeof(clocks)))
 651                 return false;
 652
 653         /* Convert the values from units of 10 kHz to kHz. */
 654         *clock_min = clocks.min * 10;
 655         *clock_max = clocks.max * 10;
 656         return true;
 657 }
 658
 659 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
 660                                          u16 outputs)
 661 {
 662         return intel_sdvo_set_value(intel_sdvo,
 663                                     SDVO_CMD_SET_TARGET_OUTPUT,
 664                                     &outputs, sizeof(outputs));
 665 }
 666
 667 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
 668                                   struct intel_sdvo_dtd *dtd)
 669 {
 670         return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
 671                 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
 672 }
 673
 674 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
 675                                          struct intel_sdvo_dtd *dtd)
 676 {
 677         return intel_sdvo_set_timing(intel_sdvo,
 678                                      SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
 679 }
 680
 681 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
 682                                          struct intel_sdvo_dtd *dtd)
 683 {
 684         return intel_sdvo_set_timing(intel_sdvo,
 685                                      SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
 686 }
 687
 688 static bool
 689 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 690                                          uint16_t clock,
 691                                          uint16_t width,
 692                                          uint16_t height)
 693 {
 694         struct intel_sdvo_preferred_input_timing_args args;
 695
 696         memset(&args, 0, sizeof(args));
 697         args.clock = clock;
 698         args.width = width;
 699         args.height = height;
 700         args.interlace = 0;
 701
 702         if (intel_sdvo->is_lvds &&
 703            (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
 704             intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
 705                 args.scaled = 1;
 706
 707         return intel_sdvo_set_value(intel_sdvo,
 708                                     SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
 709                                     &args, sizeof(args));
 710 }
 711
 712 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 713                                                   struct intel_sdvo_dtd *dtd)
 714 {
 715         BUILD_BUG_ON(sizeof(dtd->part1) != 8);
 716         BUILD_BUG_ON(sizeof(dtd->part2) != 8);
 717         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
 718                                     &dtd->part1, sizeof(dtd->part1)) &&
 719                 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
 720                                      &dtd->part2, sizeof(dtd->part2));
 721 }
 722
 723 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
 724 {
 725         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
 726 }
 727
 728 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
 729                                          const struct drm_display_mode *mode)
 730 {
 731         uint16_t width, height;
 732         uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
 733         uint16_t h_sync_offset, v_sync_offset;
 734         int mode_clock;
 735
 736         width = mode->crtc_hdisplay;
 737         height = mode->crtc_vdisplay;
 738
 739         /* do some mode translations */
 740         h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
 741         h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
 742
 743         v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
 744         v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
 745
 746         h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
 747         v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
 748
 749         mode_clock = mode->clock;
 750         mode_clock /= intel_mode_get_pixel_multiplier(mode) ?: 1;
 751         mode_clock /= 10;
 752         dtd->part1.clock = mode_clock;
 753
 754         dtd->part1.h_active = width & 0xff;
 755         dtd->part1.h_blank = h_blank_len & 0xff;
 756         dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
 757                 ((h_blank_len >> 8) & 0xf);
 758         dtd->part1.v_active = height & 0xff;
 759         dtd->part1.v_blank = v_blank_len & 0xff;
 760         dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
 761                 ((v_blank_len >> 8) & 0xf);
 762
 763         dtd->part2.h_sync_off = h_sync_offset & 0xff;
 764         dtd->part2.h_sync_width = h_sync_len & 0xff;
 765         dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
 766                 (v_sync_len & 0xf);
 767         dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
 768                 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
 769                 ((v_sync_len & 0x30) >> 4);
 770
 771         dtd->part2.dtd_flags = 0x18;
 772         if (mode->flags & DRM_MODE_FLAG_PHSYNC)
 773                 dtd->part2.dtd_flags |= 0x2;
 774         if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 775                 dtd->part2.dtd_flags |= 0x4;
 776
 777         dtd->part2.sdvo_flags = 0;
 778         dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
 779         dtd->part2.reserved = 0;
 780 }
 781
 782 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
 783                                          const struct intel_sdvo_dtd *dtd)
 784 {
 785         mode->hdisplay = dtd->part1.h_active;
 786         mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
 787         mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
 788         mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
 789         mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
 790         mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
 791         mode->htotal = mode->hdisplay + dtd->part1.h_blank;
 792         mode->htotal += (dtd->part1.h_high & 0xf) << 8;
 793
 794         mode->vdisplay = dtd->part1.v_active;
 795         mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
 796         mode->vsync_start = mode->vdisplay;
 797         mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
 798         mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
 799         mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
 800         mode->vsync_end = mode->vsync_start +
 801                 (dtd->part2.v_sync_off_width & 0xf);
 802         mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
 803         mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
 804         mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
 805
 806         mode->clock = dtd->part1.clock * 10;
 807
 808         mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
 809         if (dtd->part2.dtd_flags & 0x2)
 810                 mode->flags |= DRM_MODE_FLAG_PHSYNC;
 811         if (dtd->part2.dtd_flags & 0x4)
 812                 mode->flags |= DRM_MODE_FLAG_PVSYNC;
 813 }
 814
 815 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
 816 {
 817         struct intel_sdvo_encode encode;
 818
 819         BUILD_BUG_ON(sizeof(encode) != 2);
 820         return intel_sdvo_get_value(intel_sdvo,
 821                                   SDVO_CMD_GET_SUPP_ENCODE,
 822                                   &encode, sizeof(encode));
 823 }
 824
 825 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
 826                                   uint8_t mode)
 827 {
 828         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
 829 }
 830
 831 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
 832                                        uint8_t mode)
 833 {
 834         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
 835 }
 836
 837 #if 0
 838 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
 839 {
 840         int i, j;
 841         uint8_t set_buf_index[2];
 842         uint8_t av_split;
 843         uint8_t buf_size;
 844         uint8_t buf[48];
 845         uint8_t *pos;
 846
 847         intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
 848
 849         for (i = 0; i <= av_split; i++) {
 850                 set_buf_index[0] = i; set_buf_index[1] = 0;
 851                 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
 852                                      set_buf_index, 2);
 853                 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
 854                 intel_sdvo_read_response(encoder, &buf_size, 1);
 855
 856                 pos = buf;
 857                 for (j = 0; j <= buf_size; j += 8) {
 858                         intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
 859                                              NULL, 0);
 860                         intel_sdvo_read_response(encoder, pos, 8);
 861                         pos += 8;
 862                 }
 863         }
 864 }
 865 #endif
 866
 867 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
 868 {
 869         struct dip_infoframe avi_if = {
 870                 .type = DIP_TYPE_AVI,
 871                 .ver = DIP_VERSION_AVI,
 872                 .len = DIP_LEN_AVI,
 873         };
 874         uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
 875         uint8_t set_buf_index[2] = { 1, 0 };
 876         uint64_t *data = (uint64_t *)&avi_if;
 877         unsigned i;
 878
 879         intel_dip_infoframe_csum(&avi_if);
 880
 881         if (!intel_sdvo_set_value(intel_sdvo,
 882                                   SDVO_CMD_SET_HBUF_INDEX,
 883                                   set_buf_index, 2))
 884                 return false;
 885
 886         for (i = 0; i < sizeof(avi_if); i += 8) {
 887                 if (!intel_sdvo_set_value(intel_sdvo,
 888                                           SDVO_CMD_SET_HBUF_DATA,
 889                                           data, 8))
 890                         return false;
 891                 data++;
 892         }
 893
 894         return intel_sdvo_set_value(intel_sdvo,
 895                                     SDVO_CMD_SET_HBUF_TXRATE,
 896                                     &tx_rate, 1);
 897 }
 898
 899 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
 900 {
 901         struct intel_sdvo_tv_format format;
 902         uint32_t format_map;
 903
 904         format_map = 1 << intel_sdvo->tv_format_index;
 905         memset(&format, 0, sizeof(format));
 906         memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
 907
 908         BUILD_BUG_ON(sizeof(format) != 6);
 909         return intel_sdvo_set_value(intel_sdvo,
 910                                     SDVO_CMD_SET_TV_FORMAT,
 911                                     &format, sizeof(format));
 912 }
 913
 914 static bool
 915 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
 916                                         struct drm_display_mode *mode)
 917 {
 918         struct intel_sdvo_dtd output_dtd;
 919
 920         if (!intel_sdvo_set_target_output(intel_sdvo,
 921                                           intel_sdvo->attached_output))
 922                 return false;
 923
 924         intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
 925         if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
 926                 return false;
 927
 928         return true;
 929 }
 930
 931 static bool
 932 intel_sdvo_set_input_timings_for_mode(struct intel_sdvo *intel_sdvo,
 933                                         struct drm_display_mode *mode,
 934                                         struct drm_display_mode *adjusted_mode)
 935 {
 936         /* Reset the input timing to the screen. Assume always input 0. */
 937         if (!intel_sdvo_set_target_input(intel_sdvo))
 938                 return false;
 939
 940         if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
 941                                                       mode->clock / 10,
 942                                                       mode->hdisplay,
 943                                                       mode->vdisplay))
 944                 return false;
 945
 946         if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
 947                                                    &intel_sdvo->input_dtd))
 948                 return false;
 949
 950         intel_sdvo_get_mode_from_dtd(adjusted_mode, &intel_sdvo->input_dtd);
 951
 952         return true;
 953 }
 954
 955 static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
 956                                   struct drm_display_mode *mode,
 957                                   struct drm_display_mode *adjusted_mode)
 958 {
 959         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
 960         int multiplier;
 961
 962         /* We need to construct preferred input timings based on our
 963          * output timings.  To do that, we have to set the output
 964          * timings, even though this isn't really the right place in
 965          * the sequence to do it. Oh well.
 966          */
 967         if (intel_sdvo->is_tv) {
 968                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
 969                         return false;
 970
 971                 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
 972                                                              mode,
 973                                                              adjusted_mode);
 974         } else if (intel_sdvo->is_lvds) {
 975                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
 976                                                              intel_sdvo->sdvo_lvds_fixed_mode))
 977                         return false;
 978
 979                 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
 980                                                              mode,
 981                                                              adjusted_mode);
 982         }
 983
 984         /* Make the CRTC code factor in the SDVO pixel multiplier.  The
 985          * SDVO device will factor out the multiplier during mode_set.
 986          */
 987         multiplier = intel_sdvo_get_pixel_multiplier(adjusted_mode);
 988         intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
 989
 990         return true;
 991 }
 992
 993 static void intel_sdvo_mode_set(struct drm_encoder *encoder,
 994                                 struct drm_display_mode *mode,
 995                                 struct drm_display_mode *adjusted_mode)
 996 {
 997         struct drm_device *dev = encoder->dev;
 998         struct drm_i915_private *dev_priv = dev->dev_private;
 999         struct drm_crtc *crtc = encoder->crtc;
1000         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
1001         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1002         u32 sdvox;
1003         struct intel_sdvo_in_out_map in_out;
1004         struct intel_sdvo_dtd input_dtd, output_dtd;
1005         int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
1006         int rate;
1007
1008         if (!mode)
1009                 return;
1010
1011         /* First, set the input mapping for the first input to our controlled
1012          * output. This is only correct if we're a single-input device, in
1013          * which case the first input is the output from the appropriate SDVO
1014          * channel on the motherboard.  In a two-input device, the first input
1015          * will be SDVOB and the second SDVOC.
1016          */
1017         in_out.in0 = intel_sdvo->attached_output;
1018         in_out.in1 = 0;
1019
1020         intel_sdvo_set_value(intel_sdvo,
1021                              SDVO_CMD_SET_IN_OUT_MAP,
1022                              &in_out, sizeof(in_out));
1023
1024         /* Set the output timings to the screen */
1025         if (!intel_sdvo_set_target_output(intel_sdvo,
1026                                           intel_sdvo->attached_output))
1027                 return;
1028
1029         /* lvds has a special fixed output timing. */
1030         if (intel_sdvo->is_lvds)
1031                 intel_sdvo_get_dtd_from_mode(&output_dtd,
1032                                              intel_sdvo->sdvo_lvds_fixed_mode);
1033         else
1034                 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1035         (void) intel_sdvo_set_output_timing(intel_sdvo, &output_dtd);
1036
1037         /* Set the input timing to the screen. Assume always input 0. */
1038         if (!intel_sdvo_set_target_input(intel_sdvo))
1039                 return;
1040
1041         if (intel_sdvo->has_hdmi_monitor) {
1042                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1043                 intel_sdvo_set_colorimetry(intel_sdvo,
1044                                            SDVO_COLORIMETRY_RGB256);
1045                 intel_sdvo_set_avi_infoframe(intel_sdvo);
1046         } else
1047                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1048
1049         if (intel_sdvo->is_tv &&
1050             !intel_sdvo_set_tv_format(intel_sdvo))
1051                 return;
1052
1053         /* We have tried to get input timing in mode_fixup, and filled into
1054          * adjusted_mode.
1055          */
1056         intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1057         (void) intel_sdvo_set_input_timing(intel_sdvo, &input_dtd);
1058
1059         switch (pixel_multiplier) {
1060         default:
1061         case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1062         case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1063         case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1064         }
1065         if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1066                 return;
1067
1068         /* Set the SDVO control regs. */
1069         if (INTEL_INFO(dev)->gen >= 4) {
1070                 /* The real mode polarity is set by the SDVO commands, using
1071                  * struct intel_sdvo_dtd. */
1072                 sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
1073                 if (intel_sdvo->is_hdmi)
1074                         sdvox |= intel_sdvo->color_range;
1075                 if (INTEL_INFO(dev)->gen < 5)
1076                         sdvox |= SDVO_BORDER_ENABLE;
1077         } else {
1078                 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1079                 switch (intel_sdvo->sdvo_reg) {
1080                 case SDVOB:
1081                         sdvox &= SDVOB_PRESERVE_MASK;
1082                         break;
1083                 case SDVOC:
1084                         sdvox &= SDVOC_PRESERVE_MASK;
1085                         break;
1086                 }
1087                 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1088         }
1089
1090         if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
1091                 sdvox |= TRANSCODER_CPT(intel_crtc->pipe);
1092         else
1093                 sdvox |= TRANSCODER(intel_crtc->pipe);
1094
1095         if (intel_sdvo->has_hdmi_audio)
1096                 sdvox |= SDVO_AUDIO_ENABLE;
1097
1098         if (INTEL_INFO(dev)->gen >= 4) {
1099                 /* done in crtc_mode_set as the dpll_md reg must be written early */
1100         } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1101                 /* done in crtc_mode_set as it lives inside the dpll register */
1102         } else {
1103                 sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1104         }
1105
1106         if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1107             INTEL_INFO(dev)->gen < 5)
1108                 sdvox |= SDVO_STALL_SELECT;
1109         intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1110 }
1111
1112 static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1113 {
1114         struct drm_device *dev = encoder->dev;
1115         struct drm_i915_private *dev_priv = dev->dev_private;
1116         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1117         struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
1118         u32 temp;
1119
1120         if (mode != DRM_MODE_DPMS_ON) {
1121                 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1122                 if (0)
1123                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1124
1125                 if (mode == DRM_MODE_DPMS_OFF) {
1126                         temp = I915_READ(intel_sdvo->sdvo_reg);
1127                         if ((temp & SDVO_ENABLE) != 0) {
1128                                 intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
1129                         }
1130                 }
1131         } else {
1132                 bool input1, input2;
1133                 int i;
1134                 u8 status;
1135
1136                 temp = I915_READ(intel_sdvo->sdvo_reg);
1137                 if ((temp & SDVO_ENABLE) == 0)
1138                         intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
1139                 for (i = 0; i < 2; i++)
1140                         intel_wait_for_vblank(dev, intel_crtc->pipe);
1141
1142                 status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1143                 /* Warn if the device reported failure to sync.
1144                  * A lot of SDVO devices fail to notify of sync, but it's
1145                  * a given it the status is a success, we succeeded.
1146                  */
1147                 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1148                         DRM_DEBUG_KMS("First %s output reported failure to "
1149                                         "sync\n", SDVO_NAME(intel_sdvo));
1150                 }
1151
1152                 if (0)
1153                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1154                 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1155         }
1156         return;
1157 }
1158
1159 static int intel_sdvo_mode_valid(struct drm_connector *connector,
1160                                  struct drm_display_mode *mode)
1161 {
1162         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1163
1164         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1165                 return MODE_NO_DBLESCAN;
1166
1167         if (intel_sdvo->pixel_clock_min > mode->clock)
1168                 return MODE_CLOCK_LOW;
1169
1170         if (intel_sdvo->pixel_clock_max < mode->clock)
1171                 return MODE_CLOCK_HIGH;
1172
1173         if (intel_sdvo->is_lvds) {
1174                 if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1175                         return MODE_PANEL;
1176
1177                 if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1178                         return MODE_PANEL;
1179         }
1180
1181         return MODE_OK;
1182 }
1183
1184 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1185 {
1186         BUILD_BUG_ON(sizeof(*caps) != 8);
1187         if (!intel_sdvo_get_value(intel_sdvo,
1188                                   SDVO_CMD_GET_DEVICE_CAPS,
1189                                   caps, sizeof(*caps)))
1190                 return false;
1191
1192         DRM_DEBUG_KMS("SDVO capabilities:\n"
1193                       "  vendor_id: %d\n"
1194                       "  device_id: %d\n"
1195                       "  device_rev_id: %d\n"
1196                       "  sdvo_version_major: %d\n"
1197                       "  sdvo_version_minor: %d\n"
1198                       "  sdvo_inputs_mask: %d\n"
1199                       "  smooth_scaling: %d\n"
1200                       "  sharp_scaling: %d\n"
1201                       "  up_scaling: %d\n"
1202                       "  down_scaling: %d\n"
1203                       "  stall_support: %d\n"
1204                       "  output_flags: %d\n",
1205                       caps->vendor_id,
1206                       caps->device_id,
1207                       caps->device_rev_id,
1208                       caps->sdvo_version_major,
1209                       caps->sdvo_version_minor,
1210                       caps->sdvo_inputs_mask,
1211                       caps->smooth_scaling,
1212                       caps->sharp_scaling,
1213                       caps->up_scaling,
1214                       caps->down_scaling,
1215                       caps->stall_support,
1216                       caps->output_flags);
1217
1218         return true;
1219 }
1220
1221 static int intel_sdvo_supports_hotplug(struct intel_sdvo *intel_sdvo)
1222 {
1223         struct drm_device *dev = intel_sdvo->base.base.dev;
1224         u8 response[2];
1225
1226         /* HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
1227          * on the line. */
1228         if (IS_I945G(dev) || IS_I945GM(dev))
1229                 return false;
1230
1231         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1232                                     &response, 2) && response[0];
1233 }
1234
1235 static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
1236 {
1237         struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1238
1239         intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &intel_sdvo->hotplug_active, 2);
1240 }
1241
1242 static bool
1243 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1244 {
1245         /* Is there more than one type of output? */
1246         return hweight16(intel_sdvo->caps.output_flags) > 1;
1247 }
1248
1249 static struct edid *
1250 intel_sdvo_get_edid(struct drm_connector *connector)
1251 {
1252         struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
1253         return drm_get_edid(connector, &sdvo->ddc);
1254 }
1255
1256 /* Mac mini hack -- use the same DDC as the analog connector */
1257 static struct edid *
1258 intel_sdvo_get_analog_edid(struct drm_connector *connector)
1259 {
1260         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1261
1262         return drm_get_edid(connector,
1263                             &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
1264 }
1265
1266 enum drm_connector_status
1267 intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
1268 {
1269         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1270         enum drm_connector_status status;
1271         struct edid *edid;
1272
1273         edid = intel_sdvo_get_edid(connector);
1274
1275         if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1276                 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1277
1278                 /*
1279                  * Don't use the 1 as the argument of DDC bus switch to get
1280                  * the EDID. It is used for SDVO SPD ROM.
1281                  */
1282                 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1283                         intel_sdvo->ddc_bus = ddc;
1284                         edid = intel_sdvo_get_edid(connector);
1285                         if (edid)
1286                                 break;
1287                 }
1288                 /*
1289                  * If we found the EDID on the other bus,
1290                  * assume that is the correct DDC bus.
1291                  */
1292                 if (edid == NULL)
1293                         intel_sdvo->ddc_bus = saved_ddc;
1294         }
1295
1296         /*
1297          * When there is no edid and no monitor is connected with VGA
1298          * port, try to use the CRT ddc to read the EDID for DVI-connector.
1299          */
1300         if (edid == NULL)
1301                 edid = intel_sdvo_get_analog_edid(connector);
1302
1303         status = connector_status_unknown;
1304         if (edid != NULL) {
1305                 /* DDC bus is shared, match EDID to connector type */
1306                 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1307                         status = connector_status_connected;
1308                         if (intel_sdvo->is_hdmi) {
1309                                 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1310                                 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1311                         }
1312                 } else
1313                         status = connector_status_disconnected;
1314                 connector->display_info.raw_edid = NULL;
1315                 kfree(edid);
1316         }
1317
1318         if (status == connector_status_connected) {
1319                 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1320                 if (intel_sdvo_connector->force_audio != HDMI_AUDIO_AUTO)
1321                         intel_sdvo->has_hdmi_audio = (intel_sdvo_connector->force_audio == HDMI_AUDIO_ON);
1322         }
1323
1324         return status;
1325 }
1326
1327 static bool
1328 intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
1329                                   struct edid *edid)
1330 {
1331         bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1332         bool connector_is_digital = !!IS_DIGITAL(sdvo);
1333
1334         DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
1335                       connector_is_digital, monitor_is_digital);
1336         return connector_is_digital == monitor_is_digital;
1337 }
1338
1339 static enum drm_connector_status
1340 intel_sdvo_detect(struct drm_connector *connector, bool force)
1341 {
1342         uint16_t response;
1343         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1344         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1345         enum drm_connector_status ret;
1346
1347         if (!intel_sdvo_write_cmd(intel_sdvo,
1348                                   SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
1349                 return connector_status_unknown;
1350
1351         /* add 30ms delay when the output type might be TV */
1352         if (intel_sdvo->caps.output_flags &
1353             (SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_CVBS0))
1354                 mdelay(30);
1355
1356         if (!intel_sdvo_read_response(intel_sdvo, &response, 2))
1357                 return connector_status_unknown;
1358
1359         DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1360                       response & 0xff, response >> 8,
1361                       intel_sdvo_connector->output_flag);
1362
1363         if (response == 0)
1364                 return connector_status_disconnected;
1365
1366         intel_sdvo->attached_output = response;
1367
1368         intel_sdvo->has_hdmi_monitor = false;
1369         intel_sdvo->has_hdmi_audio = false;
1370
1371         if ((intel_sdvo_connector->output_flag & response) == 0)
1372                 ret = connector_status_disconnected;
1373         else if (IS_TMDS(intel_sdvo_connector))
1374                 ret = intel_sdvo_tmds_sink_detect(connector);
1375         else {
1376                 struct edid *edid;
1377
1378                 /* if we have an edid check it matches the connection */
1379                 edid = intel_sdvo_get_edid(connector);
1380                 if (edid == NULL)
1381                         edid = intel_sdvo_get_analog_edid(connector);
1382                 if (edid != NULL) {
1383                         if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
1384                                                               edid))
1385                                 ret = connector_status_connected;
1386                         else
1387                                 ret = connector_status_disconnected;
1388
1389                         connector->display_info.raw_edid = NULL;
1390                         kfree(edid);
1391                 } else
1392                         ret = connector_status_connected;
1393         }
1394
1395         /* May update encoder flag for like clock for SDVO TV, etc.*/
1396         if (ret == connector_status_connected) {
1397                 intel_sdvo->is_tv = false;
1398                 intel_sdvo->is_lvds = false;
1399                 intel_sdvo->base.needs_tv_clock = false;
1400
1401                 if (response & SDVO_TV_MASK) {
1402                         intel_sdvo->is_tv = true;
1403                         intel_sdvo->base.needs_tv_clock = true;
1404                 }
1405                 if (response & SDVO_LVDS_MASK)
1406                         intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1407         }
1408
1409         return ret;
1410 }
1411
1412 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1413 {
1414         struct edid *edid;
1415
1416         /* set the bus switch and get the modes */
1417         edid = intel_sdvo_get_edid(connector);
1418
1419         /*
1420          * Mac mini hack.  On this device, the DVI-I connector shares one DDC
1421          * link between analog and digital outputs. So, if the regular SDVO
1422          * DDC fails, check to see if the analog output is disconnected, in
1423          * which case we'll look there for the digital DDC data.
1424          */
1425         if (edid == NULL)
1426                 edid = intel_sdvo_get_analog_edid(connector);
1427
1428         if (edid != NULL) {
1429                 if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
1430                                                       edid)) {
1431                         drm_mode_connector_update_edid_property(connector, edid);
1432                         drm_add_edid_modes(connector, edid);
1433                 }
1434
1435                 connector->display_info.raw_edid = NULL;
1436                 kfree(edid);
1437         }
1438 }
1439
1440 /*
1441  * Set of SDVO TV modes.
1442  * Note!  This is in reply order (see loop in get_tv_modes).
1443  * XXX: all 60Hz refresh?
1444  */
1445 static const struct drm_display_mode sdvo_tv_modes[] = {
1446         { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1447                    416, 0, 200, 201, 232, 233, 0,
1448                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1449         { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1450                    416, 0, 240, 241, 272, 273, 0,
1451                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1452         { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1453                    496, 0, 300, 301, 332, 333, 0,
1454                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1455         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1456                    736, 0, 350, 351, 382, 383, 0,
1457                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1458         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1459                    736, 0, 400, 401, 432, 433, 0,
1460                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1461         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1462                    736, 0, 480, 481, 512, 513, 0,
1463                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1464         { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1465                    800, 0, 480, 481, 512, 513, 0,
1466                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1467         { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1468                    800, 0, 576, 577, 608, 609, 0,
1469                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1470         { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1471                    816, 0, 350, 351, 382, 383, 0,
1472                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1473         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1474                    816, 0, 400, 401, 432, 433, 0,
1475                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1476         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1477                    816, 0, 480, 481, 512, 513, 0,
1478                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1479         { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1480                    816, 0, 540, 541, 572, 573, 0,
1481                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1482         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1483                    816, 0, 576, 577, 608, 609, 0,
1484                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1485         { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1486                    864, 0, 576, 577, 608, 609, 0,
1487                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1488         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1489                    896, 0, 600, 601, 632, 633, 0,
1490                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1491         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1492                    928, 0, 624, 625, 656, 657, 0,
1493                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1494         { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1495                    1016, 0, 766, 767, 798, 799, 0,
1496                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1497         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1498                    1120, 0, 768, 769, 800, 801, 0,
1499                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1500         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1501                    1376, 0, 1024, 1025, 1056, 1057, 0,
1502                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1503 };
1504
1505 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1506 {
1507         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1508         struct intel_sdvo_sdtv_resolution_request tv_res;
1509         uint32_t reply = 0, format_map = 0;
1510         int i;
1511
1512         /* Read the list of supported input resolutions for the selected TV
1513          * format.
1514          */
1515         format_map = 1 << intel_sdvo->tv_format_index;
1516         memcpy(&tv_res, &format_map,
1517                min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1518
1519         if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1520                 return;
1521
1522         BUILD_BUG_ON(sizeof(tv_res) != 3);
1523         if (!intel_sdvo_write_cmd(intel_sdvo,
1524                                   SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1525                                   &tv_res, sizeof(tv_res)))
1526                 return;
1527         if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1528                 return;
1529
1530         for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1531                 if (reply & (1 << i)) {
1532                         struct drm_display_mode *nmode;
1533                         nmode = drm_mode_duplicate(connector->dev,
1534                                                    &sdvo_tv_modes[i]);
1535                         if (nmode)
1536                                 drm_mode_probed_add(connector, nmode);
1537                 }
1538 }
1539
1540 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1541 {
1542         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1543         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1544         struct drm_display_mode *newmode;
1545
1546         /*
1547          * Attempt to get the mode list from DDC.
1548          * Assume that the preferred modes are
1549          * arranged in priority order.
1550          */
1551         intel_ddc_get_modes(connector, intel_sdvo->i2c);
1552         if (list_empty(&connector->probed_modes) == false)
1553                 goto end;
1554
1555         /* Fetch modes from VBT */
1556         if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1557                 newmode = drm_mode_duplicate(connector->dev,
1558                                              dev_priv->sdvo_lvds_vbt_mode);
1559                 if (newmode != NULL) {
1560                         /* Guarantee the mode is preferred */
1561                         newmode->type = (DRM_MODE_TYPE_PREFERRED |
1562                                          DRM_MODE_TYPE_DRIVER);
1563                         drm_mode_probed_add(connector, newmode);
1564                 }
1565         }
1566
1567 end:
1568         list_for_each_entry(newmode, &connector->probed_modes, head) {
1569                 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1570                         intel_sdvo->sdvo_lvds_fixed_mode =
1571                                 drm_mode_duplicate(connector->dev, newmode);
1572
1573                         drm_mode_set_crtcinfo(intel_sdvo->sdvo_lvds_fixed_mode,
1574                                               0);
1575
1576                         intel_sdvo->is_lvds = true;
1577                         break;
1578                 }
1579         }
1580
1581 }
1582
1583 static int intel_sdvo_get_modes(struct drm_connector *connector)
1584 {
1585         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1586
1587         if (IS_TV(intel_sdvo_connector))
1588                 intel_sdvo_get_tv_modes(connector);
1589         else if (IS_LVDS(intel_sdvo_connector))
1590                 intel_sdvo_get_lvds_modes(connector);
1591         else
1592                 intel_sdvo_get_ddc_modes(connector);
1593
1594         return !list_empty(&connector->probed_modes);
1595 }
1596
1597 static void
1598 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1599 {
1600         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1601         struct drm_device *dev = connector->dev;
1602
1603         if (intel_sdvo_connector->left)
1604                 drm_property_destroy(dev, intel_sdvo_connector->left);
1605         if (intel_sdvo_connector->right)
1606                 drm_property_destroy(dev, intel_sdvo_connector->right);
1607         if (intel_sdvo_connector->top)
1608                 drm_property_destroy(dev, intel_sdvo_connector->top);
1609         if (intel_sdvo_connector->bottom)
1610                 drm_property_destroy(dev, intel_sdvo_connector->bottom);
1611         if (intel_sdvo_connector->hpos)
1612                 drm_property_destroy(dev, intel_sdvo_connector->hpos);
1613         if (intel_sdvo_connector->vpos)
1614                 drm_property_destroy(dev, intel_sdvo_connector->vpos);
1615         if (intel_sdvo_connector->saturation)
1616                 drm_property_destroy(dev, intel_sdvo_connector->saturation);
1617         if (intel_sdvo_connector->contrast)
1618                 drm_property_destroy(dev, intel_sdvo_connector->contrast);
1619         if (intel_sdvo_connector->hue)
1620                 drm_property_destroy(dev, intel_sdvo_connector->hue);
1621         if (intel_sdvo_connector->sharpness)
1622                 drm_property_destroy(dev, intel_sdvo_connector->sharpness);
1623         if (intel_sdvo_connector->flicker_filter)
1624                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
1625         if (intel_sdvo_connector->flicker_filter_2d)
1626                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
1627         if (intel_sdvo_connector->flicker_filter_adaptive)
1628                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
1629         if (intel_sdvo_connector->tv_luma_filter)
1630                 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
1631         if (intel_sdvo_connector->tv_chroma_filter)
1632                 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
1633         if (intel_sdvo_connector->dot_crawl)
1634                 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
1635         if (intel_sdvo_connector->brightness)
1636                 drm_property_destroy(dev, intel_sdvo_connector->brightness);
1637 }
1638
1639 static void intel_sdvo_destroy(struct drm_connector *connector)
1640 {
1641         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1642
1643         if (intel_sdvo_connector->tv_format)
1644                 drm_property_destroy(connector->dev,
1645                                      intel_sdvo_connector->tv_format);
1646
1647         intel_sdvo_destroy_enhance_property(connector);
1648         drm_sysfs_connector_remove(connector);
1649         drm_connector_cleanup(connector);
1650         kfree(connector);
1651 }
1652
1653 static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
1654 {
1655         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1656         struct edid *edid;
1657         bool has_audio = false;
1658
1659         if (!intel_sdvo->is_hdmi)
1660                 return false;
1661
1662         edid = intel_sdvo_get_edid(connector);
1663         if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
1664                 has_audio = drm_detect_monitor_audio(edid);
1665
1666         return has_audio;
1667 }
1668
1669 static int
1670 intel_sdvo_set_property(struct drm_connector *connector,
1671                         struct drm_property *property,
1672                         uint64_t val)
1673 {
1674         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1675         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1676         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1677         uint16_t temp_value;
1678         uint8_t cmd;
1679         int ret;
1680
1681         ret = drm_connector_property_set_value(connector, property, val);
1682         if (ret)
1683                 return ret;
1684
1685         if (property == dev_priv->force_audio_property) {
1686                 int i = val;
1687                 bool has_audio;
1688
1689                 if (i == intel_sdvo_connector->force_audio)
1690                         return 0;
1691
1692                 intel_sdvo_connector->force_audio = i;
1693
1694                 if (i == HDMI_AUDIO_AUTO)
1695                         has_audio = intel_sdvo_detect_hdmi_audio(connector);
1696                 else
1697                         has_audio = (i == HDMI_AUDIO_ON);
1698
1699                 if (has_audio == intel_sdvo->has_hdmi_audio)
1700                         return 0;
1701
1702                 intel_sdvo->has_hdmi_audio = has_audio;
1703                 goto done;
1704         }
1705
1706         if (property == dev_priv->broadcast_rgb_property) {
1707                 if (val == !!intel_sdvo->color_range)
1708                         return 0;
1709
1710                 intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
1711                 goto done;
1712         }
1713
1714 #define CHECK_PROPERTY(name, NAME) \
1715         if (intel_sdvo_connector->name == property) { \
1716                 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
1717                 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1718                 cmd = SDVO_CMD_SET_##NAME; \
1719                 intel_sdvo_connector->cur_##name = temp_value; \
1720                 goto set_value; \
1721         }
1722
1723         if (property == intel_sdvo_connector->tv_format) {
1724                 if (val >= TV_FORMAT_NUM)
1725                         return -EINVAL;
1726
1727                 if (intel_sdvo->tv_format_index ==
1728                     intel_sdvo_connector->tv_format_supported[val])
1729                         return 0;
1730
1731                 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
1732                 goto done;
1733         } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
1734                 temp_value = val;
1735                 if (intel_sdvo_connector->left == property) {
1736                         drm_connector_property_set_value(connector,
1737                                                          intel_sdvo_connector->right, val);
1738                         if (intel_sdvo_connector->left_margin == temp_value)
1739                                 return 0;
1740
1741                         intel_sdvo_connector->left_margin = temp_value;
1742                         intel_sdvo_connector->right_margin = temp_value;
1743                         temp_value = intel_sdvo_connector->max_hscan -
1744                                 intel_sdvo_connector->left_margin;
1745                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1746                         goto set_value;
1747                 } else if (intel_sdvo_connector->right == property) {
1748                         drm_connector_property_set_value(connector,
1749                                                          intel_sdvo_connector->left, val);
1750                         if (intel_sdvo_connector->right_margin == temp_value)
1751                                 return 0;
1752
1753                         intel_sdvo_connector->left_margin = temp_value;
1754                         intel_sdvo_connector->right_margin = temp_value;
1755                         temp_value = intel_sdvo_connector->max_hscan -
1756                                 intel_sdvo_connector->left_margin;
1757                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1758                         goto set_value;
1759                 } else if (intel_sdvo_connector->top == property) {
1760                         drm_connector_property_set_value(connector,
1761                                                          intel_sdvo_connector->bottom, val);
1762                         if (intel_sdvo_connector->top_margin == temp_value)
1763                                 return 0;
1764
1765                         intel_sdvo_connector->top_margin = temp_value;
1766                         intel_sdvo_connector->bottom_margin = temp_value;
1767                         temp_value = intel_sdvo_connector->max_vscan -
1768                                 intel_sdvo_connector->top_margin;
1769                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1770                         goto set_value;
1771                 } else if (intel_sdvo_connector->bottom == property) {
1772                         drm_connector_property_set_value(connector,
1773                                                          intel_sdvo_connector->top, val);
1774                         if (intel_sdvo_connector->bottom_margin == temp_value)
1775                                 return 0;
1776
1777                         intel_sdvo_connector->top_margin = temp_value;
1778                         intel_sdvo_connector->bottom_margin = temp_value;
1779                         temp_value = intel_sdvo_connector->max_vscan -
1780                                 intel_sdvo_connector->top_margin;
1781                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1782                         goto set_value;
1783                 }
1784                 CHECK_PROPERTY(hpos, HPOS)
1785                 CHECK_PROPERTY(vpos, VPOS)
1786                 CHECK_PROPERTY(saturation, SATURATION)
1787                 CHECK_PROPERTY(contrast, CONTRAST)
1788                 CHECK_PROPERTY(hue, HUE)
1789                 CHECK_PROPERTY(brightness, BRIGHTNESS)
1790                 CHECK_PROPERTY(sharpness, SHARPNESS)
1791                 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1792                 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1793                 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1794                 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1795                 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1796                 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1797         }
1798
1799         return -EINVAL; /* unknown property */
1800
1801 set_value:
1802         if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
1803                 return -EIO;
1804
1805
1806 done:
1807         if (intel_sdvo->base.base.crtc) {
1808                 struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
1809                 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1810                                          crtc->y, crtc->fb);
1811         }
1812
1813         return 0;
1814 #undef CHECK_PROPERTY
1815 }
1816
1817 static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
1818         .dpms = intel_sdvo_dpms,
1819         .mode_fixup = intel_sdvo_mode_fixup,
1820         .prepare = intel_encoder_prepare,
1821         .mode_set = intel_sdvo_mode_set,
1822         .commit = intel_encoder_commit,
1823 };
1824
1825 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
1826         .dpms = drm_helper_connector_dpms,
1827         .detect = intel_sdvo_detect,
1828         .fill_modes = drm_helper_probe_single_connector_modes,
1829         .set_property = intel_sdvo_set_property,
1830         .destroy = intel_sdvo_destroy,
1831 };
1832
1833 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
1834         .get_modes = intel_sdvo_get_modes,
1835         .mode_valid = intel_sdvo_mode_valid,
1836         .best_encoder = intel_best_encoder,
1837 };
1838
1839 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
1840 {
1841         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1842
1843         if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
1844                 drm_mode_destroy(encoder->dev,
1845                                  intel_sdvo->sdvo_lvds_fixed_mode);
1846
1847         i2c_del_adapter(&intel_sdvo->ddc);
1848         intel_encoder_destroy(encoder);
1849 }
1850
1851 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
1852         .destroy = intel_sdvo_enc_destroy,
1853 };
1854
1855 static void
1856 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
1857 {
1858         uint16_t mask = 0;
1859         unsigned int num_bits;
1860
1861         /* Make a mask of outputs less than or equal to our own priority in the
1862          * list.
1863          */
1864         switch (sdvo->controlled_output) {
1865         case SDVO_OUTPUT_LVDS1:
1866                 mask |= SDVO_OUTPUT_LVDS1;
1867         case SDVO_OUTPUT_LVDS0:
1868                 mask |= SDVO_OUTPUT_LVDS0;
1869         case SDVO_OUTPUT_TMDS1:
1870                 mask |= SDVO_OUTPUT_TMDS1;
1871         case SDVO_OUTPUT_TMDS0:
1872                 mask |= SDVO_OUTPUT_TMDS0;
1873         case SDVO_OUTPUT_RGB1:
1874                 mask |= SDVO_OUTPUT_RGB1;
1875         case SDVO_OUTPUT_RGB0:
1876                 mask |= SDVO_OUTPUT_RGB0;
1877                 break;
1878         }
1879
1880         /* Count bits to find what number we are in the priority list. */
1881         mask &= sdvo->caps.output_flags;
1882         num_bits = hweight16(mask);
1883         /* If more than 3 outputs, default to DDC bus 3 for now. */
1884         if (num_bits > 3)
1885                 num_bits = 3;
1886
1887         /* Corresponds to SDVO_CONTROL_BUS_DDCx */
1888         sdvo->ddc_bus = 1 << num_bits;
1889 }
1890
1891 /**
1892  * Choose the appropriate DDC bus for control bus switch command for this
1893  * SDVO output based on the controlled output.
1894  *
1895  * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
1896  * outputs, then LVDS outputs.
1897  */
1898 static void
1899 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
1900                           struct intel_sdvo *sdvo, u32 reg)
1901 {
1902         struct sdvo_device_mapping *mapping;
1903
1904         if (IS_SDVOB(reg))
1905                 mapping = &(dev_priv->sdvo_mappings[0]);
1906         else
1907                 mapping = &(dev_priv->sdvo_mappings[1]);
1908
1909         if (mapping->initialized)
1910                 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
1911         else
1912                 intel_sdvo_guess_ddc_bus(sdvo);
1913 }
1914
1915 static void
1916 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
1917                           struct intel_sdvo *sdvo, u32 reg)
1918 {
1919         struct sdvo_device_mapping *mapping;
1920         u8 pin;
1921
1922         if (IS_SDVOB(reg))
1923                 mapping = &dev_priv->sdvo_mappings[0];
1924         else
1925                 mapping = &dev_priv->sdvo_mappings[1];
1926
1927         pin = GMBUS_PORT_DPB;
1928         if (mapping->initialized)
1929                 pin = mapping->i2c_pin;
1930
1931         if (pin < GMBUS_NUM_PORTS) {
1932                 sdvo->i2c = &dev_priv->gmbus[pin].adapter;
1933                 intel_gmbus_set_speed(sdvo->i2c, GMBUS_RATE_1MHZ);
1934                 intel_gmbus_force_bit(sdvo->i2c, true);
1935         } else {
1936                 sdvo->i2c = &dev_priv->gmbus[GMBUS_PORT_DPB].adapter;
1937         }
1938 }
1939
1940 static bool
1941 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
1942 {
1943         return intel_sdvo_check_supp_encode(intel_sdvo);
1944 }
1945
1946 static u8
1947 intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
1948 {
1949         struct drm_i915_private *dev_priv = dev->dev_private;
1950         struct sdvo_device_mapping *my_mapping, *other_mapping;
1951
1952         if (IS_SDVOB(sdvo_reg)) {
1953                 my_mapping = &dev_priv->sdvo_mappings[0];
1954                 other_mapping = &dev_priv->sdvo_mappings[1];
1955         } else {
1956                 my_mapping = &dev_priv->sdvo_mappings[1];
1957                 other_mapping = &dev_priv->sdvo_mappings[0];
1958         }
1959
1960         /* If the BIOS described our SDVO device, take advantage of it. */
1961         if (my_mapping->slave_addr)
1962                 return my_mapping->slave_addr;
1963
1964         /* If the BIOS only described a different SDVO device, use the
1965          * address that it isn't using.
1966          */
1967         if (other_mapping->slave_addr) {
1968                 if (other_mapping->slave_addr == 0x70)
1969                         return 0x72;
1970                 else
1971                         return 0x70;
1972         }
1973
1974         /* No SDVO device info is found for another DVO port,
1975          * so use mapping assumption we had before BIOS parsing.
1976          */
1977         if (IS_SDVOB(sdvo_reg))
1978                 return 0x70;
1979         else
1980                 return 0x72;
1981 }
1982
1983 static void
1984 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
1985                           struct intel_sdvo *encoder)
1986 {
1987         drm_connector_init(encoder->base.base.dev,
1988                            &connector->base.base,
1989                            &intel_sdvo_connector_funcs,
1990                            connector->base.base.connector_type);
1991
1992         drm_connector_helper_add(&connector->base.base,
1993                                  &intel_sdvo_connector_helper_funcs);
1994
1995         connector->base.base.interlace_allowed = 1;
1996         connector->base.base.doublescan_allowed = 0;
1997         connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
1998
1999         intel_connector_attach_encoder(&connector->base, &encoder->base);
2000         drm_sysfs_connector_add(&connector->base.base);
2001 }
2002
2003 static void
2004 intel_sdvo_add_hdmi_properties(struct intel_sdvo_connector *connector)
2005 {
2006         struct drm_device *dev = connector->base.base.dev;
2007
2008         intel_attach_force_audio_property(&connector->base.base);
2009         if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev))
2010                 intel_attach_broadcast_rgb_property(&connector->base.base);
2011 }
2012
2013 static bool
2014 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2015 {
2016         struct drm_encoder *encoder = &intel_sdvo->base.base;
2017         struct drm_connector *connector;
2018         struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
2019         struct intel_connector *intel_connector;
2020         struct intel_sdvo_connector *intel_sdvo_connector;
2021
2022         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2023         if (!intel_sdvo_connector)
2024                 return false;
2025
2026         if (device == 0) {
2027                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2028                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2029         } else if (device == 1) {
2030                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2031                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2032         }
2033
2034         intel_connector = &intel_sdvo_connector->base;
2035         connector = &intel_connector->base;
2036         if (intel_sdvo_supports_hotplug(intel_sdvo) & (1 << device)) {
2037                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2038                 intel_sdvo->hotplug_active[0] |= 1 << device;
2039                 /* Some SDVO devices have one-shot hotplug interrupts.
2040                  * Ensure that they get re-enabled when an interrupt happens.
2041                  */
2042                 intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
2043                 intel_sdvo_enable_hotplug(intel_encoder);
2044         }
2045         else
2046                 connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2047         encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2048         connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2049
2050         if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2051                 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2052                 intel_sdvo->is_hdmi = true;
2053         }
2054         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2055                                        (1 << INTEL_ANALOG_CLONE_BIT));
2056
2057         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2058         if (intel_sdvo->is_hdmi)
2059                 intel_sdvo_add_hdmi_properties(intel_sdvo_connector);
2060
2061         return true;
2062 }
2063
2064 static bool
2065 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2066 {
2067         struct drm_encoder *encoder = &intel_sdvo->base.base;
2068         struct drm_connector *connector;
2069         struct intel_connector *intel_connector;
2070         struct intel_sdvo_connector *intel_sdvo_connector;
2071
2072         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2073         if (!intel_sdvo_connector)
2074                 return false;
2075
2076         intel_connector = &intel_sdvo_connector->base;
2077         connector = &intel_connector->base;
2078         encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2079         connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2080
2081         intel_sdvo->controlled_output |= type;
2082         intel_sdvo_connector->output_flag = type;
2083
2084         intel_sdvo->is_tv = true;
2085         intel_sdvo->base.needs_tv_clock = true;
2086         intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2087
2088         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2089
2090         if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2091                 goto err;
2092
2093         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2094                 goto err;
2095
2096         return true;
2097
2098 err:
2099         intel_sdvo_destroy(connector);
2100         return false;
2101 }
2102
2103 static bool
2104 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2105 {
2106         struct drm_encoder *encoder = &intel_sdvo->base.base;
2107         struct drm_connector *connector;
2108         struct intel_connector *intel_connector;
2109         struct intel_sdvo_connector *intel_sdvo_connector;
2110
2111         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2112         if (!intel_sdvo_connector)
2113                 return false;
2114
2115         intel_connector = &intel_sdvo_connector->base;
2116         connector = &intel_connector->base;
2117         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2118         encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2119         connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2120
2121         if (device == 0) {
2122                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2123                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2124         } else if (device == 1) {
2125                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2126                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2127         }
2128
2129         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2130                                        (1 << INTEL_ANALOG_CLONE_BIT));
2131
2132         intel_sdvo_connector_init(intel_sdvo_connector,
2133                                   intel_sdvo);
2134         return true;
2135 }
2136
2137 static bool
2138 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2139 {
2140         struct drm_encoder *encoder = &intel_sdvo->base.base;
2141         struct drm_connector *connector;
2142         struct intel_connector *intel_connector;
2143         struct intel_sdvo_connector *intel_sdvo_connector;
2144
2145         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2146         if (!intel_sdvo_connector)
2147                 return false;
2148
2149         intel_connector = &intel_sdvo_connector->base;
2150         connector = &intel_connector->base;
2151         encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2152         connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2153
2154         if (device == 0) {
2155                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2156                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2157         } else if (device == 1) {
2158                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2159                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2160         }
2161
2162         intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
2163                                        (1 << INTEL_SDVO_LVDS_CLONE_BIT));
2164
2165         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2166         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2167                 goto err;
2168
2169         return true;
2170
2171 err:
2172         intel_sdvo_destroy(connector);
2173         return false;
2174 }
2175
2176 static bool
2177 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2178 {
2179         intel_sdvo->is_tv = false;
2180         intel_sdvo->base.needs_tv_clock = false;
2181         intel_sdvo->is_lvds = false;
2182
2183         /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2184
2185         if (flags & SDVO_OUTPUT_TMDS0)
2186                 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2187                         return false;
2188
2189         if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2190                 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2191                         return false;
2192
2193         /* TV has no XXX1 function block */
2194         if (flags & SDVO_OUTPUT_SVID0)
2195                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2196                         return false;
2197
2198         if (flags & SDVO_OUTPUT_CVBS0)
2199                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2200                         return false;
2201
2202         if (flags & SDVO_OUTPUT_RGB0)
2203                 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2204                         return false;
2205
2206         if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2207                 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2208                         return false;
2209
2210         if (flags & SDVO_OUTPUT_LVDS0)
2211                 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2212                         return false;
2213
2214         if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2215                 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2216                         return false;
2217
2218         if ((flags & SDVO_OUTPUT_MASK) == 0) {
2219                 unsigned char bytes[2];
2220
2221                 intel_sdvo->controlled_output = 0;
2222                 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2223                 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2224                               SDVO_NAME(intel_sdvo),
2225                               bytes[0], bytes[1]);
2226                 return false;
2227         }
2228         intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
2229
2230         return true;
2231 }
2232
2233 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2234                                           struct intel_sdvo_connector *intel_sdvo_connector,
2235                                           int type)
2236 {
2237         struct drm_device *dev = intel_sdvo->base.base.dev;
2238         struct intel_sdvo_tv_format format;
2239         uint32_t format_map, i;
2240
2241         if (!intel_sdvo_set_target_output(intel_sdvo, type))
2242                 return false;
2243
2244         BUILD_BUG_ON(sizeof(format) != 6);
2245         if (!intel_sdvo_get_value(intel_sdvo,
2246                                   SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2247                                   &format, sizeof(format)))
2248                 return false;
2249
2250         memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2251
2252         if (format_map == 0)
2253                 return false;
2254
2255         intel_sdvo_connector->format_supported_num = 0;
2256         for (i = 0 ; i < TV_FORMAT_NUM; i++)
2257                 if (format_map & (1 << i))
2258                         intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2259
2260
2261         intel_sdvo_connector->tv_format =
2262                         drm_property_create(dev, DRM_MODE_PROP_ENUM,
2263                                             "mode", intel_sdvo_connector->format_supported_num);
2264         if (!intel_sdvo_connector->tv_format)
2265                 return false;
2266
2267         for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2268                 drm_property_add_enum(
2269                                 intel_sdvo_connector->tv_format, i,
2270                                 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2271
2272         intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2273         drm_connector_attach_property(&intel_sdvo_connector->base.base,
2274                                       intel_sdvo_connector->tv_format, 0);
2275         return true;
2276
2277 }
2278
2279 #define ENHANCEMENT(name, NAME) do { \
2280         if (enhancements.name) { \
2281                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2282                     !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2283                         return false; \
2284                 intel_sdvo_connector->max_##name = data_value[0]; \
2285                 intel_sdvo_connector->cur_##name = response; \
2286                 intel_sdvo_connector->name = \
2287                         drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2288                 if (!intel_sdvo_connector->name) return false; \
2289                 drm_connector_attach_property(connector, \
2290                                               intel_sdvo_connector->name, \
2291                                               intel_sdvo_connector->cur_##name); \
2292                 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2293                               data_value[0], data_value[1], response); \
2294         } \
2295 } while (0)
2296
2297 static bool
2298 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2299                                       struct intel_sdvo_connector *intel_sdvo_connector,
2300                                       struct intel_sdvo_enhancements_reply enhancements)
2301 {
2302         struct drm_device *dev = intel_sdvo->base.base.dev;
2303         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2304         uint16_t response, data_value[2];
2305
2306         /* when horizontal overscan is supported, Add the left/right  property */
2307         if (enhancements.overscan_h) {
2308                 if (!intel_sdvo_get_value(intel_sdvo,
2309                                           SDVO_CMD_GET_MAX_OVERSCAN_H,
2310                                           &data_value, 4))
2311                         return false;
2312
2313                 if (!intel_sdvo_get_value(intel_sdvo,
2314                                           SDVO_CMD_GET_OVERSCAN_H,
2315                                           &response, 2))
2316                         return false;
2317
2318                 intel_sdvo_connector->max_hscan = data_value[0];
2319                 intel_sdvo_connector->left_margin = data_value[0] - response;
2320                 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2321                 intel_sdvo_connector->left =
2322                         drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
2323                 if (!intel_sdvo_connector->left)
2324                         return false;
2325
2326                 drm_connector_attach_property(connector,
2327                                               intel_sdvo_connector->left,
2328                                               intel_sdvo_connector->left_margin);
2329
2330                 intel_sdvo_connector->right =
2331                         drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
2332                 if (!intel_sdvo_connector->right)
2333                         return false;
2334
2335                 drm_connector_attach_property(connector,
2336                                               intel_sdvo_connector->right,
2337                                               intel_sdvo_connector->right_margin);
2338                 DRM_DEBUG_KMS("h_overscan: max %d, "
2339                               "default %d, current %d\n",
2340                               data_value[0], data_value[1], response);
2341         }
2342
2343         if (enhancements.overscan_v) {
2344                 if (!intel_sdvo_get_value(intel_sdvo,
2345                                           SDVO_CMD_GET_MAX_OVERSCAN_V,
2346                                           &data_value, 4))
2347                         return false;
2348
2349                 if (!intel_sdvo_get_value(intel_sdvo,
2350                                           SDVO_CMD_GET_OVERSCAN_V,
2351                                           &response, 2))
2352                         return false;
2353
2354                 intel_sdvo_connector->max_vscan = data_value[0];
2355                 intel_sdvo_connector->top_margin = data_value[0] - response;
2356                 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2357                 intel_sdvo_connector->top =
2358                         drm_property_create_range(dev, 0,
2359                                             "top_margin", 0, data_value[0]);
2360                 if (!intel_sdvo_connector->top)
2361                         return false;
2362
2363                 drm_connector_attach_property(connector,
2364                                               intel_sdvo_connector->top,
2365                                               intel_sdvo_connector->top_margin);
2366
2367                 intel_sdvo_connector->bottom =
2368                         drm_property_create_range(dev, 0,
2369                                             "bottom_margin", 0, data_value[0]);
2370                 if (!intel_sdvo_connector->bottom)
2371                         return false;
2372
2373                 drm_connector_attach_property(connector,
2374                                               intel_sdvo_connector->bottom,
2375                                               intel_sdvo_connector->bottom_margin);
2376                 DRM_DEBUG_KMS("v_overscan: max %d, "
2377                               "default %d, current %d\n",
2378                               data_value[0], data_value[1], response);
2379         }
2380
2381         ENHANCEMENT(hpos, HPOS);
2382         ENHANCEMENT(vpos, VPOS);
2383         ENHANCEMENT(saturation, SATURATION);
2384         ENHANCEMENT(contrast, CONTRAST);
2385         ENHANCEMENT(hue, HUE);
2386         ENHANCEMENT(sharpness, SHARPNESS);
2387         ENHANCEMENT(brightness, BRIGHTNESS);
2388         ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2389         ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2390         ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2391         ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2392         ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2393
2394         if (enhancements.dot_crawl) {
2395                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2396                         return false;
2397
2398                 intel_sdvo_connector->max_dot_crawl = 1;
2399                 intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2400                 intel_sdvo_connector->dot_crawl =
2401                         drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
2402                 if (!intel_sdvo_connector->dot_crawl)
2403                         return false;
2404
2405                 drm_connector_attach_property(connector,
2406                                               intel_sdvo_connector->dot_crawl,
2407                                               intel_sdvo_connector->cur_dot_crawl);
2408                 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2409         }
2410
2411         return true;
2412 }
2413
2414 static bool
2415 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2416                                         struct intel_sdvo_connector *intel_sdvo_connector,
2417                                         struct intel_sdvo_enhancements_reply enhancements)
2418 {
2419         struct drm_device *dev = intel_sdvo->base.base.dev;
2420         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2421         uint16_t response, data_value[2];
2422
2423         ENHANCEMENT(brightness, BRIGHTNESS);
2424
2425         return true;
2426 }
2427 #undef ENHANCEMENT
2428
2429 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2430                                                struct intel_sdvo_connector *intel_sdvo_connector)
2431 {
2432         union {
2433                 struct intel_sdvo_enhancements_reply reply;
2434                 uint16_t response;
2435         } enhancements;
2436
2437         BUILD_BUG_ON(sizeof(enhancements) != 2);
2438
2439         enhancements.response = 0;
2440         intel_sdvo_get_value(intel_sdvo,
2441                              SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2442                              &enhancements, sizeof(enhancements));
2443         if (enhancements.response == 0) {
2444                 DRM_DEBUG_KMS("No enhancement is supported\n");
2445                 return true;
2446         }
2447
2448         if (IS_TV(intel_sdvo_connector))
2449                 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2450         else if (IS_LVDS(intel_sdvo_connector))
2451                 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2452         else
2453                 return true;
2454 }
2455
2456 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2457                                      struct i2c_msg *msgs,
2458                                      int num)
2459 {
2460         struct intel_sdvo *sdvo = adapter->algo_data;
2461
2462         if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2463                 return -EIO;
2464
2465         return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2466 }
2467
2468 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2469 {
2470         struct intel_sdvo *sdvo = adapter->algo_data;
2471         return sdvo->i2c->algo->functionality(sdvo->i2c);
2472 }
2473
2474 static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
2475         .master_xfer    = intel_sdvo_ddc_proxy_xfer,
2476         .functionality  = intel_sdvo_ddc_proxy_func
2477 };
2478
2479 static bool
2480 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
2481                           struct drm_device *dev)
2482 {
2483         sdvo->ddc.owner = THIS_MODULE;
2484         sdvo->ddc.class = I2C_CLASS_DDC;
2485         snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2486         sdvo->ddc.dev.parent = &dev->pdev->dev;
2487         sdvo->ddc.algo_data = sdvo;
2488         sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
2489
2490         return i2c_add_adapter(&sdvo->ddc) == 0;
2491 }
2492
2493 bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
2494 {
2495         struct drm_i915_private *dev_priv = dev->dev_private;
2496         struct intel_encoder *intel_encoder;
2497         struct intel_sdvo *intel_sdvo;
2498         int i;
2499
2500         intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);
2501         if (!intel_sdvo)
2502                 return false;
2503
2504         intel_sdvo->sdvo_reg = sdvo_reg;
2505         intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, sdvo_reg) >> 1;
2506         intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
2507         if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev)) {
2508                 kfree(intel_sdvo);
2509                 return false;
2510         }
2511
2512         /* encoder type will be decided later */
2513         intel_encoder = &intel_sdvo->base;
2514         intel_encoder->type = INTEL_OUTPUT_SDVO;
2515         drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
2516
2517         /* Read the regs to test if we can talk to the device */
2518         for (i = 0; i < 0x40; i++) {
2519                 u8 byte;
2520
2521                 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
2522                         DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
2523                                       IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2524                         goto err;
2525                 }
2526         }
2527
2528         if (IS_SDVOB(sdvo_reg))
2529                 dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
2530         else
2531                 dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
2532
2533         drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
2534
2535         /* In default case sdvo lvds is false */
2536         if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
2537                 goto err;
2538
2539         /* Set up hotplug command - note paranoia about contents of reply.
2540          * We assume that the hardware is in a sane state, and only touch
2541          * the bits we think we understand.
2542          */
2543         intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG,
2544                              &intel_sdvo->hotplug_active, 2);
2545         intel_sdvo->hotplug_active[0] &= ~0x3;
2546
2547         if (intel_sdvo_output_setup(intel_sdvo,
2548                                     intel_sdvo->caps.output_flags) != true) {
2549                 DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
2550                               IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2551                 goto err;
2552         }
2553
2554         intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
2555
2556         /* Set the input timing to the screen. Assume always input 0. */
2557         if (!intel_sdvo_set_target_input(intel_sdvo))
2558                 goto err;
2559
2560         if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
2561                                                     &intel_sdvo->pixel_clock_min,
2562                                                     &intel_sdvo->pixel_clock_max))
2563                 goto err;
2564
2565         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2566                         "clock range %dMHz - %dMHz, "
2567                         "input 1: %c, input 2: %c, "
2568                         "output 1: %c, output 2: %c\n",
2569                         SDVO_NAME(intel_sdvo),
2570                         intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
2571                         intel_sdvo->caps.device_rev_id,
2572                         intel_sdvo->pixel_clock_min / 1000,
2573                         intel_sdvo->pixel_clock_max / 1000,
2574                         (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2575                         (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2576                         /* check currently supported outputs */
2577                         intel_sdvo->caps.output_flags &
2578                         (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2579                         intel_sdvo->caps.output_flags &
2580                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2581         return true;
2582
2583 err:
2584         drm_encoder_cleanup(&intel_encoder->base);
2585         i2c_del_adapter(&intel_sdvo->ddc);
2586         kfree(intel_sdvo);
2587
2588         return false;
2589 }