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                             intel_gmbus_get_adapter(dev_priv,
1264                                                     dev_priv->crt_ddc_pin));
1265 }
1266
1267 enum drm_connector_status
1268 intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
1269 {
1270         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1271         enum drm_connector_status status;
1272         struct edid *edid;
1273
1274         edid = intel_sdvo_get_edid(connector);
1275
1276         if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1277                 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1278
1279                 /*
1280                  * Don't use the 1 as the argument of DDC bus switch to get
1281                  * the EDID. It is used for SDVO SPD ROM.
1282                  */
1283                 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1284                         intel_sdvo->ddc_bus = ddc;
1285                         edid = intel_sdvo_get_edid(connector);
1286                         if (edid)
1287                                 break;
1288                 }
1289                 /*
1290                  * If we found the EDID on the other bus,
1291                  * assume that is the correct DDC bus.
1292                  */
1293                 if (edid == NULL)
1294                         intel_sdvo->ddc_bus = saved_ddc;
1295         }
1296
1297         /*
1298          * When there is no edid and no monitor is connected with VGA
1299          * port, try to use the CRT ddc to read the EDID for DVI-connector.
1300          */
1301         if (edid == NULL)
1302                 edid = intel_sdvo_get_analog_edid(connector);
1303
1304         status = connector_status_unknown;
1305         if (edid != NULL) {
1306                 /* DDC bus is shared, match EDID to connector type */
1307                 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1308                         status = connector_status_connected;
1309                         if (intel_sdvo->is_hdmi) {
1310                                 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1311                                 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1312                         }
1313                 } else
1314                         status = connector_status_disconnected;
1315                 connector->display_info.raw_edid = NULL;
1316                 kfree(edid);
1317         }
1318
1319         if (status == connector_status_connected) {
1320                 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1321                 if (intel_sdvo_connector->force_audio != HDMI_AUDIO_AUTO)
1322                         intel_sdvo->has_hdmi_audio = (intel_sdvo_connector->force_audio == HDMI_AUDIO_ON);
1323         }
1324
1325         return status;
1326 }
1327
1328 static bool
1329 intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
1330                                   struct edid *edid)
1331 {
1332         bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1333         bool connector_is_digital = !!IS_DIGITAL(sdvo);
1334
1335         DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
1336                       connector_is_digital, monitor_is_digital);
1337         return connector_is_digital == monitor_is_digital;
1338 }
1339
1340 static enum drm_connector_status
1341 intel_sdvo_detect(struct drm_connector *connector, bool force)
1342 {
1343         uint16_t response;
1344         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1345         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1346         enum drm_connector_status ret;
1347
1348         if (!intel_sdvo_write_cmd(intel_sdvo,
1349                                   SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
1350                 return connector_status_unknown;
1351
1352         /* add 30ms delay when the output type might be TV */
1353         if (intel_sdvo->caps.output_flags &
1354             (SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_CVBS0))
1355                 mdelay(30);
1356
1357         if (!intel_sdvo_read_response(intel_sdvo, &response, 2))
1358                 return connector_status_unknown;
1359
1360         DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1361                       response & 0xff, response >> 8,
1362                       intel_sdvo_connector->output_flag);
1363
1364         if (response == 0)
1365                 return connector_status_disconnected;
1366
1367         intel_sdvo->attached_output = response;
1368
1369         intel_sdvo->has_hdmi_monitor = false;
1370         intel_sdvo->has_hdmi_audio = false;
1371
1372         if ((intel_sdvo_connector->output_flag & response) == 0)
1373                 ret = connector_status_disconnected;
1374         else if (IS_TMDS(intel_sdvo_connector))
1375                 ret = intel_sdvo_tmds_sink_detect(connector);
1376         else {
1377                 struct edid *edid;
1378
1379                 /* if we have an edid check it matches the connection */
1380                 edid = intel_sdvo_get_edid(connector);
1381                 if (edid == NULL)
1382                         edid = intel_sdvo_get_analog_edid(connector);
1383                 if (edid != NULL) {
1384                         if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
1385                                                               edid))
1386                                 ret = connector_status_connected;
1387                         else
1388                                 ret = connector_status_disconnected;
1389
1390                         connector->display_info.raw_edid = NULL;
1391                         kfree(edid);
1392                 } else
1393                         ret = connector_status_connected;
1394         }
1395
1396         /* May update encoder flag for like clock for SDVO TV, etc.*/
1397         if (ret == connector_status_connected) {
1398                 intel_sdvo->is_tv = false;
1399                 intel_sdvo->is_lvds = false;
1400                 intel_sdvo->base.needs_tv_clock = false;
1401
1402                 if (response & SDVO_TV_MASK) {
1403                         intel_sdvo->is_tv = true;
1404                         intel_sdvo->base.needs_tv_clock = true;
1405                 }
1406                 if (response & SDVO_LVDS_MASK)
1407                         intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1408         }
1409
1410         return ret;
1411 }
1412
1413 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1414 {
1415         struct edid *edid;
1416
1417         /* set the bus switch and get the modes */
1418         edid = intel_sdvo_get_edid(connector);
1419
1420         /*
1421          * Mac mini hack.  On this device, the DVI-I connector shares one DDC
1422          * link between analog and digital outputs. So, if the regular SDVO
1423          * DDC fails, check to see if the analog output is disconnected, in
1424          * which case we'll look there for the digital DDC data.
1425          */
1426         if (edid == NULL)
1427                 edid = intel_sdvo_get_analog_edid(connector);
1428
1429         if (edid != NULL) {
1430                 if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
1431                                                       edid)) {
1432                         drm_mode_connector_update_edid_property(connector, edid);
1433                         drm_add_edid_modes(connector, edid);
1434                 }
1435
1436                 connector->display_info.raw_edid = NULL;
1437                 kfree(edid);
1438         }
1439 }
1440
1441 /*
1442  * Set of SDVO TV modes.
1443  * Note!  This is in reply order (see loop in get_tv_modes).
1444  * XXX: all 60Hz refresh?
1445  */
1446 static const struct drm_display_mode sdvo_tv_modes[] = {
1447         { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1448                    416, 0, 200, 201, 232, 233, 0,
1449                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1450         { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1451                    416, 0, 240, 241, 272, 273, 0,
1452                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1453         { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1454                    496, 0, 300, 301, 332, 333, 0,
1455                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1456         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1457                    736, 0, 350, 351, 382, 383, 0,
1458                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1459         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1460                    736, 0, 400, 401, 432, 433, 0,
1461                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1462         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1463                    736, 0, 480, 481, 512, 513, 0,
1464                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1465         { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1466                    800, 0, 480, 481, 512, 513, 0,
1467                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1468         { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1469                    800, 0, 576, 577, 608, 609, 0,
1470                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1471         { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1472                    816, 0, 350, 351, 382, 383, 0,
1473                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1474         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1475                    816, 0, 400, 401, 432, 433, 0,
1476                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1477         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1478                    816, 0, 480, 481, 512, 513, 0,
1479                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1480         { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1481                    816, 0, 540, 541, 572, 573, 0,
1482                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1483         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1484                    816, 0, 576, 577, 608, 609, 0,
1485                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1486         { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1487                    864, 0, 576, 577, 608, 609, 0,
1488                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1489         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1490                    896, 0, 600, 601, 632, 633, 0,
1491                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1492         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1493                    928, 0, 624, 625, 656, 657, 0,
1494                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1495         { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1496                    1016, 0, 766, 767, 798, 799, 0,
1497                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1498         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1499                    1120, 0, 768, 769, 800, 801, 0,
1500                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1501         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1502                    1376, 0, 1024, 1025, 1056, 1057, 0,
1503                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1504 };
1505
1506 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1507 {
1508         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1509         struct intel_sdvo_sdtv_resolution_request tv_res;
1510         uint32_t reply = 0, format_map = 0;
1511         int i;
1512
1513         /* Read the list of supported input resolutions for the selected TV
1514          * format.
1515          */
1516         format_map = 1 << intel_sdvo->tv_format_index;
1517         memcpy(&tv_res, &format_map,
1518                min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1519
1520         if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1521                 return;
1522
1523         BUILD_BUG_ON(sizeof(tv_res) != 3);
1524         if (!intel_sdvo_write_cmd(intel_sdvo,
1525                                   SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1526                                   &tv_res, sizeof(tv_res)))
1527                 return;
1528         if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1529                 return;
1530
1531         for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1532                 if (reply & (1 << i)) {
1533                         struct drm_display_mode *nmode;
1534                         nmode = drm_mode_duplicate(connector->dev,
1535                                                    &sdvo_tv_modes[i]);
1536                         if (nmode)
1537                                 drm_mode_probed_add(connector, nmode);
1538                 }
1539 }
1540
1541 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1542 {
1543         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1544         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1545         struct drm_display_mode *newmode;
1546
1547         /*
1548          * Attempt to get the mode list from DDC.
1549          * Assume that the preferred modes are
1550          * arranged in priority order.
1551          */
1552         intel_ddc_get_modes(connector, intel_sdvo->i2c);
1553         if (list_empty(&connector->probed_modes) == false)
1554                 goto end;
1555
1556         /* Fetch modes from VBT */
1557         if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1558                 newmode = drm_mode_duplicate(connector->dev,
1559                                              dev_priv->sdvo_lvds_vbt_mode);
1560                 if (newmode != NULL) {
1561                         /* Guarantee the mode is preferred */
1562                         newmode->type = (DRM_MODE_TYPE_PREFERRED |
1563                                          DRM_MODE_TYPE_DRIVER);
1564                         drm_mode_probed_add(connector, newmode);
1565                 }
1566         }
1567
1568 end:
1569         list_for_each_entry(newmode, &connector->probed_modes, head) {
1570                 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1571                         intel_sdvo->sdvo_lvds_fixed_mode =
1572                                 drm_mode_duplicate(connector->dev, newmode);
1573
1574                         drm_mode_set_crtcinfo(intel_sdvo->sdvo_lvds_fixed_mode,
1575                                               0);
1576
1577                         intel_sdvo->is_lvds = true;
1578                         break;
1579                 }
1580         }
1581
1582 }
1583
1584 static int intel_sdvo_get_modes(struct drm_connector *connector)
1585 {
1586         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1587
1588         if (IS_TV(intel_sdvo_connector))
1589                 intel_sdvo_get_tv_modes(connector);
1590         else if (IS_LVDS(intel_sdvo_connector))
1591                 intel_sdvo_get_lvds_modes(connector);
1592         else
1593                 intel_sdvo_get_ddc_modes(connector);
1594
1595         return !list_empty(&connector->probed_modes);
1596 }
1597
1598 static void
1599 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1600 {
1601         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1602         struct drm_device *dev = connector->dev;
1603
1604         if (intel_sdvo_connector->left)
1605                 drm_property_destroy(dev, intel_sdvo_connector->left);
1606         if (intel_sdvo_connector->right)
1607                 drm_property_destroy(dev, intel_sdvo_connector->right);
1608         if (intel_sdvo_connector->top)
1609                 drm_property_destroy(dev, intel_sdvo_connector->top);
1610         if (intel_sdvo_connector->bottom)
1611                 drm_property_destroy(dev, intel_sdvo_connector->bottom);
1612         if (intel_sdvo_connector->hpos)
1613                 drm_property_destroy(dev, intel_sdvo_connector->hpos);
1614         if (intel_sdvo_connector->vpos)
1615                 drm_property_destroy(dev, intel_sdvo_connector->vpos);
1616         if (intel_sdvo_connector->saturation)
1617                 drm_property_destroy(dev, intel_sdvo_connector->saturation);
1618         if (intel_sdvo_connector->contrast)
1619                 drm_property_destroy(dev, intel_sdvo_connector->contrast);
1620         if (intel_sdvo_connector->hue)
1621                 drm_property_destroy(dev, intel_sdvo_connector->hue);
1622         if (intel_sdvo_connector->sharpness)
1623                 drm_property_destroy(dev, intel_sdvo_connector->sharpness);
1624         if (intel_sdvo_connector->flicker_filter)
1625                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
1626         if (intel_sdvo_connector->flicker_filter_2d)
1627                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
1628         if (intel_sdvo_connector->flicker_filter_adaptive)
1629                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
1630         if (intel_sdvo_connector->tv_luma_filter)
1631                 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
1632         if (intel_sdvo_connector->tv_chroma_filter)
1633                 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
1634         if (intel_sdvo_connector->dot_crawl)
1635                 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
1636         if (intel_sdvo_connector->brightness)
1637                 drm_property_destroy(dev, intel_sdvo_connector->brightness);
1638 }
1639
1640 static void intel_sdvo_destroy(struct drm_connector *connector)
1641 {
1642         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1643
1644         if (intel_sdvo_connector->tv_format)
1645                 drm_property_destroy(connector->dev,
1646                                      intel_sdvo_connector->tv_format);
1647
1648         intel_sdvo_destroy_enhance_property(connector);
1649         drm_sysfs_connector_remove(connector);
1650         drm_connector_cleanup(connector);
1651         kfree(connector);
1652 }
1653
1654 static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
1655 {
1656         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1657         struct edid *edid;
1658         bool has_audio = false;
1659
1660         if (!intel_sdvo->is_hdmi)
1661                 return false;
1662
1663         edid = intel_sdvo_get_edid(connector);
1664         if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
1665                 has_audio = drm_detect_monitor_audio(edid);
1666
1667         return has_audio;
1668 }
1669
1670 static int
1671 intel_sdvo_set_property(struct drm_connector *connector,
1672                         struct drm_property *property,
1673                         uint64_t val)
1674 {
1675         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1676         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1677         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1678         uint16_t temp_value;
1679         uint8_t cmd;
1680         int ret;
1681
1682         ret = drm_connector_property_set_value(connector, property, val);
1683         if (ret)
1684                 return ret;
1685
1686         if (property == dev_priv->force_audio_property) {
1687                 int i = val;
1688                 bool has_audio;
1689
1690                 if (i == intel_sdvo_connector->force_audio)
1691                         return 0;
1692
1693                 intel_sdvo_connector->force_audio = i;
1694
1695                 if (i == HDMI_AUDIO_AUTO)
1696                         has_audio = intel_sdvo_detect_hdmi_audio(connector);
1697                 else
1698                         has_audio = (i == HDMI_AUDIO_ON);
1699
1700                 if (has_audio == intel_sdvo->has_hdmi_audio)
1701                         return 0;
1702
1703                 intel_sdvo->has_hdmi_audio = has_audio;
1704                 goto done;
1705         }
1706
1707         if (property == dev_priv->broadcast_rgb_property) {
1708                 if (val == !!intel_sdvo->color_range)
1709                         return 0;
1710
1711                 intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
1712                 goto done;
1713         }
1714
1715 #define CHECK_PROPERTY(name, NAME) \
1716         if (intel_sdvo_connector->name == property) { \
1717                 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
1718                 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1719                 cmd = SDVO_CMD_SET_##NAME; \
1720                 intel_sdvo_connector->cur_##name = temp_value; \
1721                 goto set_value; \
1722         }
1723
1724         if (property == intel_sdvo_connector->tv_format) {
1725                 if (val >= TV_FORMAT_NUM)
1726                         return -EINVAL;
1727
1728                 if (intel_sdvo->tv_format_index ==
1729                     intel_sdvo_connector->tv_format_supported[val])
1730                         return 0;
1731
1732                 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
1733                 goto done;
1734         } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
1735                 temp_value = val;
1736                 if (intel_sdvo_connector->left == property) {
1737                         drm_connector_property_set_value(connector,
1738                                                          intel_sdvo_connector->right, val);
1739                         if (intel_sdvo_connector->left_margin == temp_value)
1740                                 return 0;
1741
1742                         intel_sdvo_connector->left_margin = temp_value;
1743                         intel_sdvo_connector->right_margin = temp_value;
1744                         temp_value = intel_sdvo_connector->max_hscan -
1745                                 intel_sdvo_connector->left_margin;
1746                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1747                         goto set_value;
1748                 } else if (intel_sdvo_connector->right == property) {
1749                         drm_connector_property_set_value(connector,
1750                                                          intel_sdvo_connector->left, val);
1751                         if (intel_sdvo_connector->right_margin == temp_value)
1752                                 return 0;
1753
1754                         intel_sdvo_connector->left_margin = temp_value;
1755                         intel_sdvo_connector->right_margin = temp_value;
1756                         temp_value = intel_sdvo_connector->max_hscan -
1757                                 intel_sdvo_connector->left_margin;
1758                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1759                         goto set_value;
1760                 } else if (intel_sdvo_connector->top == property) {
1761                         drm_connector_property_set_value(connector,
1762                                                          intel_sdvo_connector->bottom, val);
1763                         if (intel_sdvo_connector->top_margin == temp_value)
1764                                 return 0;
1765
1766                         intel_sdvo_connector->top_margin = temp_value;
1767                         intel_sdvo_connector->bottom_margin = temp_value;
1768                         temp_value = intel_sdvo_connector->max_vscan -
1769                                 intel_sdvo_connector->top_margin;
1770                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1771                         goto set_value;
1772                 } else if (intel_sdvo_connector->bottom == property) {
1773                         drm_connector_property_set_value(connector,
1774                                                          intel_sdvo_connector->top, val);
1775                         if (intel_sdvo_connector->bottom_margin == temp_value)
1776                                 return 0;
1777
1778                         intel_sdvo_connector->top_margin = temp_value;
1779                         intel_sdvo_connector->bottom_margin = temp_value;
1780                         temp_value = intel_sdvo_connector->max_vscan -
1781                                 intel_sdvo_connector->top_margin;
1782                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1783                         goto set_value;
1784                 }
1785                 CHECK_PROPERTY(hpos, HPOS)
1786                 CHECK_PROPERTY(vpos, VPOS)
1787                 CHECK_PROPERTY(saturation, SATURATION)
1788                 CHECK_PROPERTY(contrast, CONTRAST)
1789                 CHECK_PROPERTY(hue, HUE)
1790                 CHECK_PROPERTY(brightness, BRIGHTNESS)
1791                 CHECK_PROPERTY(sharpness, SHARPNESS)
1792                 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1793                 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1794                 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1795                 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1796                 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1797                 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1798         }
1799
1800         return -EINVAL; /* unknown property */
1801
1802 set_value:
1803         if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
1804                 return -EIO;
1805
1806
1807 done:
1808         if (intel_sdvo->base.base.crtc) {
1809                 struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
1810                 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1811                                          crtc->y, crtc->fb);
1812         }
1813
1814         return 0;
1815 #undef CHECK_PROPERTY
1816 }
1817
1818 static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
1819         .dpms = intel_sdvo_dpms,
1820         .mode_fixup = intel_sdvo_mode_fixup,
1821         .prepare = intel_encoder_prepare,
1822         .mode_set = intel_sdvo_mode_set,
1823         .commit = intel_encoder_commit,
1824 };
1825
1826 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
1827         .dpms = drm_helper_connector_dpms,
1828         .detect = intel_sdvo_detect,
1829         .fill_modes = drm_helper_probe_single_connector_modes,
1830         .set_property = intel_sdvo_set_property,
1831         .destroy = intel_sdvo_destroy,
1832 };
1833
1834 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
1835         .get_modes = intel_sdvo_get_modes,
1836         .mode_valid = intel_sdvo_mode_valid,
1837         .best_encoder = intel_best_encoder,
1838 };
1839
1840 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
1841 {
1842         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1843
1844         if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
1845                 drm_mode_destroy(encoder->dev,
1846                                  intel_sdvo->sdvo_lvds_fixed_mode);
1847
1848         i2c_del_adapter(&intel_sdvo->ddc);
1849         intel_encoder_destroy(encoder);
1850 }
1851
1852 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
1853         .destroy = intel_sdvo_enc_destroy,
1854 };
1855
1856 static void
1857 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
1858 {
1859         uint16_t mask = 0;
1860         unsigned int num_bits;
1861
1862         /* Make a mask of outputs less than or equal to our own priority in the
1863          * list.
1864          */
1865         switch (sdvo->controlled_output) {
1866         case SDVO_OUTPUT_LVDS1:
1867                 mask |= SDVO_OUTPUT_LVDS1;
1868         case SDVO_OUTPUT_LVDS0:
1869                 mask |= SDVO_OUTPUT_LVDS0;
1870         case SDVO_OUTPUT_TMDS1:
1871                 mask |= SDVO_OUTPUT_TMDS1;
1872         case SDVO_OUTPUT_TMDS0:
1873                 mask |= SDVO_OUTPUT_TMDS0;
1874         case SDVO_OUTPUT_RGB1:
1875                 mask |= SDVO_OUTPUT_RGB1;
1876         case SDVO_OUTPUT_RGB0:
1877                 mask |= SDVO_OUTPUT_RGB0;
1878                 break;
1879         }
1880
1881         /* Count bits to find what number we are in the priority list. */
1882         mask &= sdvo->caps.output_flags;
1883         num_bits = hweight16(mask);
1884         /* If more than 3 outputs, default to DDC bus 3 for now. */
1885         if (num_bits > 3)
1886                 num_bits = 3;
1887
1888         /* Corresponds to SDVO_CONTROL_BUS_DDCx */
1889         sdvo->ddc_bus = 1 << num_bits;
1890 }
1891
1892 /**
1893  * Choose the appropriate DDC bus for control bus switch command for this
1894  * SDVO output based on the controlled output.
1895  *
1896  * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
1897  * outputs, then LVDS outputs.
1898  */
1899 static void
1900 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
1901                           struct intel_sdvo *sdvo, u32 reg)
1902 {
1903         struct sdvo_device_mapping *mapping;
1904
1905         if (IS_SDVOB(reg))
1906                 mapping = &(dev_priv->sdvo_mappings[0]);
1907         else
1908                 mapping = &(dev_priv->sdvo_mappings[1]);
1909
1910         if (mapping->initialized)
1911                 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
1912         else
1913                 intel_sdvo_guess_ddc_bus(sdvo);
1914 }
1915
1916 static void
1917 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
1918                           struct intel_sdvo *sdvo, u32 reg)
1919 {
1920         struct sdvo_device_mapping *mapping;
1921         u8 pin;
1922
1923         if (IS_SDVOB(reg))
1924                 mapping = &dev_priv->sdvo_mappings[0];
1925         else
1926                 mapping = &dev_priv->sdvo_mappings[1];
1927
1928         pin = GMBUS_PORT_DPB;
1929         if (mapping->initialized)
1930                 pin = mapping->i2c_pin;
1931
1932         if (intel_gmbus_is_port_valid(pin)) {
1933                 sdvo->i2c = intel_gmbus_get_adapter(dev_priv, pin);
1934                 intel_gmbus_set_speed(sdvo->i2c, GMBUS_RATE_1MHZ);
1935                 intel_gmbus_force_bit(sdvo->i2c, true);
1936         } else {
1937                 sdvo->i2c = intel_gmbus_get_adapter(dev_priv, GMBUS_PORT_DPB);
1938         }
1939 }
1940
1941 static bool
1942 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
1943 {
1944         return intel_sdvo_check_supp_encode(intel_sdvo);
1945 }
1946
1947 static u8
1948 intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
1949 {
1950         struct drm_i915_private *dev_priv = dev->dev_private;
1951         struct sdvo_device_mapping *my_mapping, *other_mapping;
1952
1953         if (IS_SDVOB(sdvo_reg)) {
1954                 my_mapping = &dev_priv->sdvo_mappings[0];
1955                 other_mapping = &dev_priv->sdvo_mappings[1];
1956         } else {
1957                 my_mapping = &dev_priv->sdvo_mappings[1];
1958                 other_mapping = &dev_priv->sdvo_mappings[0];
1959         }
1960
1961         /* If the BIOS described our SDVO device, take advantage of it. */
1962         if (my_mapping->slave_addr)
1963                 return my_mapping->slave_addr;
1964
1965         /* If the BIOS only described a different SDVO device, use the
1966          * address that it isn't using.
1967          */
1968         if (other_mapping->slave_addr) {
1969                 if (other_mapping->slave_addr == 0x70)
1970                         return 0x72;
1971                 else
1972                         return 0x70;
1973         }
1974
1975         /* No SDVO device info is found for another DVO port,
1976          * so use mapping assumption we had before BIOS parsing.
1977          */
1978         if (IS_SDVOB(sdvo_reg))
1979                 return 0x70;
1980         else
1981                 return 0x72;
1982 }
1983
1984 static void
1985 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
1986                           struct intel_sdvo *encoder)
1987 {
1988         drm_connector_init(encoder->base.base.dev,
1989                            &connector->base.base,
1990                            &intel_sdvo_connector_funcs,
1991                            connector->base.base.connector_type);
1992
1993         drm_connector_helper_add(&connector->base.base,
1994                                  &intel_sdvo_connector_helper_funcs);
1995
1996         connector->base.base.interlace_allowed = 1;
1997         connector->base.base.doublescan_allowed = 0;
1998         connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
1999
2000         intel_connector_attach_encoder(&connector->base, &encoder->base);
2001         drm_sysfs_connector_add(&connector->base.base);
2002 }
2003
2004 static void
2005 intel_sdvo_add_hdmi_properties(struct intel_sdvo_connector *connector)
2006 {
2007         struct drm_device *dev = connector->base.base.dev;
2008
2009         intel_attach_force_audio_property(&connector->base.base);
2010         if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev))
2011                 intel_attach_broadcast_rgb_property(&connector->base.base);
2012 }
2013
2014 static bool
2015 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2016 {
2017         struct drm_encoder *encoder = &intel_sdvo->base.base;
2018         struct drm_connector *connector;
2019         struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
2020         struct intel_connector *intel_connector;
2021         struct intel_sdvo_connector *intel_sdvo_connector;
2022
2023         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2024         if (!intel_sdvo_connector)
2025                 return false;
2026
2027         if (device == 0) {
2028                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2029                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2030         } else if (device == 1) {
2031                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2032                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2033         }
2034
2035         intel_connector = &intel_sdvo_connector->base;
2036         connector = &intel_connector->base;
2037         if (intel_sdvo_supports_hotplug(intel_sdvo) & (1 << device)) {
2038                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2039                 intel_sdvo->hotplug_active[0] |= 1 << device;
2040                 /* Some SDVO devices have one-shot hotplug interrupts.
2041                  * Ensure that they get re-enabled when an interrupt happens.
2042                  */
2043                 intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
2044                 intel_sdvo_enable_hotplug(intel_encoder);
2045         }
2046         else
2047                 connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2048         encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2049         connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2050
2051         if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2052                 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2053                 intel_sdvo->is_hdmi = true;
2054         }
2055         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2056                                        (1 << INTEL_ANALOG_CLONE_BIT));
2057
2058         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2059         if (intel_sdvo->is_hdmi)
2060                 intel_sdvo_add_hdmi_properties(intel_sdvo_connector);
2061
2062         return true;
2063 }
2064
2065 static bool
2066 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2067 {
2068         struct drm_encoder *encoder = &intel_sdvo->base.base;
2069         struct drm_connector *connector;
2070         struct intel_connector *intel_connector;
2071         struct intel_sdvo_connector *intel_sdvo_connector;
2072
2073         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2074         if (!intel_sdvo_connector)
2075                 return false;
2076
2077         intel_connector = &intel_sdvo_connector->base;
2078         connector = &intel_connector->base;
2079         encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2080         connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2081
2082         intel_sdvo->controlled_output |= type;
2083         intel_sdvo_connector->output_flag = type;
2084
2085         intel_sdvo->is_tv = true;
2086         intel_sdvo->base.needs_tv_clock = true;
2087         intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2088
2089         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2090
2091         if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2092                 goto err;
2093
2094         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2095                 goto err;
2096
2097         return true;
2098
2099 err:
2100         intel_sdvo_destroy(connector);
2101         return false;
2102 }
2103
2104 static bool
2105 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2106 {
2107         struct drm_encoder *encoder = &intel_sdvo->base.base;
2108         struct drm_connector *connector;
2109         struct intel_connector *intel_connector;
2110         struct intel_sdvo_connector *intel_sdvo_connector;
2111
2112         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2113         if (!intel_sdvo_connector)
2114                 return false;
2115
2116         intel_connector = &intel_sdvo_connector->base;
2117         connector = &intel_connector->base;
2118         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2119         encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2120         connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2121
2122         if (device == 0) {
2123                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2124                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2125         } else if (device == 1) {
2126                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2127                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2128         }
2129
2130         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2131                                        (1 << INTEL_ANALOG_CLONE_BIT));
2132
2133         intel_sdvo_connector_init(intel_sdvo_connector,
2134                                   intel_sdvo);
2135         return true;
2136 }
2137
2138 static bool
2139 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2140 {
2141         struct drm_encoder *encoder = &intel_sdvo->base.base;
2142         struct drm_connector *connector;
2143         struct intel_connector *intel_connector;
2144         struct intel_sdvo_connector *intel_sdvo_connector;
2145
2146         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2147         if (!intel_sdvo_connector)
2148                 return false;
2149
2150         intel_connector = &intel_sdvo_connector->base;
2151         connector = &intel_connector->base;
2152         encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2153         connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2154
2155         if (device == 0) {
2156                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2157                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2158         } else if (device == 1) {
2159                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2160                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2161         }
2162
2163         intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
2164                                        (1 << INTEL_SDVO_LVDS_CLONE_BIT));
2165
2166         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2167         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2168                 goto err;
2169
2170         return true;
2171
2172 err:
2173         intel_sdvo_destroy(connector);
2174         return false;
2175 }
2176
2177 static bool
2178 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2179 {
2180         intel_sdvo->is_tv = false;
2181         intel_sdvo->base.needs_tv_clock = false;
2182         intel_sdvo->is_lvds = false;
2183
2184         /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2185
2186         if (flags & SDVO_OUTPUT_TMDS0)
2187                 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2188                         return false;
2189
2190         if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2191                 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2192                         return false;
2193
2194         /* TV has no XXX1 function block */
2195         if (flags & SDVO_OUTPUT_SVID0)
2196                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2197                         return false;
2198
2199         if (flags & SDVO_OUTPUT_CVBS0)
2200                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2201                         return false;
2202
2203         if (flags & SDVO_OUTPUT_RGB0)
2204                 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2205                         return false;
2206
2207         if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2208                 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2209                         return false;
2210
2211         if (flags & SDVO_OUTPUT_LVDS0)
2212                 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2213                         return false;
2214
2215         if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2216                 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2217                         return false;
2218
2219         if ((flags & SDVO_OUTPUT_MASK) == 0) {
2220                 unsigned char bytes[2];
2221
2222                 intel_sdvo->controlled_output = 0;
2223                 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2224                 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2225                               SDVO_NAME(intel_sdvo),
2226                               bytes[0], bytes[1]);
2227                 return false;
2228         }
2229         intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
2230
2231         return true;
2232 }
2233
2234 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2235                                           struct intel_sdvo_connector *intel_sdvo_connector,
2236                                           int type)
2237 {
2238         struct drm_device *dev = intel_sdvo->base.base.dev;
2239         struct intel_sdvo_tv_format format;
2240         uint32_t format_map, i;
2241
2242         if (!intel_sdvo_set_target_output(intel_sdvo, type))
2243                 return false;
2244
2245         BUILD_BUG_ON(sizeof(format) != 6);
2246         if (!intel_sdvo_get_value(intel_sdvo,
2247                                   SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2248                                   &format, sizeof(format)))
2249                 return false;
2250
2251         memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2252
2253         if (format_map == 0)
2254                 return false;
2255
2256         intel_sdvo_connector->format_supported_num = 0;
2257         for (i = 0 ; i < TV_FORMAT_NUM; i++)
2258                 if (format_map & (1 << i))
2259                         intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2260
2261
2262         intel_sdvo_connector->tv_format =
2263                         drm_property_create(dev, DRM_MODE_PROP_ENUM,
2264                                             "mode", intel_sdvo_connector->format_supported_num);
2265         if (!intel_sdvo_connector->tv_format)
2266                 return false;
2267
2268         for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2269                 drm_property_add_enum(
2270                                 intel_sdvo_connector->tv_format, i,
2271                                 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2272
2273         intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2274         drm_connector_attach_property(&intel_sdvo_connector->base.base,
2275                                       intel_sdvo_connector->tv_format, 0);
2276         return true;
2277
2278 }
2279
2280 #define ENHANCEMENT(name, NAME) do { \
2281         if (enhancements.name) { \
2282                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2283                     !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2284                         return false; \
2285                 intel_sdvo_connector->max_##name = data_value[0]; \
2286                 intel_sdvo_connector->cur_##name = response; \
2287                 intel_sdvo_connector->name = \
2288                         drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2289                 if (!intel_sdvo_connector->name) return false; \
2290                 drm_connector_attach_property(connector, \
2291                                               intel_sdvo_connector->name, \
2292                                               intel_sdvo_connector->cur_##name); \
2293                 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2294                               data_value[0], data_value[1], response); \
2295         } \
2296 } while (0)
2297
2298 static bool
2299 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2300                                       struct intel_sdvo_connector *intel_sdvo_connector,
2301                                       struct intel_sdvo_enhancements_reply enhancements)
2302 {
2303         struct drm_device *dev = intel_sdvo->base.base.dev;
2304         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2305         uint16_t response, data_value[2];
2306
2307         /* when horizontal overscan is supported, Add the left/right  property */
2308         if (enhancements.overscan_h) {
2309                 if (!intel_sdvo_get_value(intel_sdvo,
2310                                           SDVO_CMD_GET_MAX_OVERSCAN_H,
2311                                           &data_value, 4))
2312                         return false;
2313
2314                 if (!intel_sdvo_get_value(intel_sdvo,
2315                                           SDVO_CMD_GET_OVERSCAN_H,
2316                                           &response, 2))
2317                         return false;
2318
2319                 intel_sdvo_connector->max_hscan = data_value[0];
2320                 intel_sdvo_connector->left_margin = data_value[0] - response;
2321                 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2322                 intel_sdvo_connector->left =
2323                         drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
2324                 if (!intel_sdvo_connector->left)
2325                         return false;
2326
2327                 drm_connector_attach_property(connector,
2328                                               intel_sdvo_connector->left,
2329                                               intel_sdvo_connector->left_margin);
2330
2331                 intel_sdvo_connector->right =
2332                         drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
2333                 if (!intel_sdvo_connector->right)
2334                         return false;
2335
2336                 drm_connector_attach_property(connector,
2337                                               intel_sdvo_connector->right,
2338                                               intel_sdvo_connector->right_margin);
2339                 DRM_DEBUG_KMS("h_overscan: max %d, "
2340                               "default %d, current %d\n",
2341                               data_value[0], data_value[1], response);
2342         }
2343
2344         if (enhancements.overscan_v) {
2345                 if (!intel_sdvo_get_value(intel_sdvo,
2346                                           SDVO_CMD_GET_MAX_OVERSCAN_V,
2347                                           &data_value, 4))
2348                         return false;
2349
2350                 if (!intel_sdvo_get_value(intel_sdvo,
2351                                           SDVO_CMD_GET_OVERSCAN_V,
2352                                           &response, 2))
2353                         return false;
2354
2355                 intel_sdvo_connector->max_vscan = data_value[0];
2356                 intel_sdvo_connector->top_margin = data_value[0] - response;
2357                 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2358                 intel_sdvo_connector->top =
2359                         drm_property_create_range(dev, 0,
2360                                             "top_margin", 0, data_value[0]);
2361                 if (!intel_sdvo_connector->top)
2362                         return false;
2363
2364                 drm_connector_attach_property(connector,
2365                                               intel_sdvo_connector->top,
2366                                               intel_sdvo_connector->top_margin);
2367
2368                 intel_sdvo_connector->bottom =
2369                         drm_property_create_range(dev, 0,
2370                                             "bottom_margin", 0, data_value[0]);
2371                 if (!intel_sdvo_connector->bottom)
2372                         return false;
2373
2374                 drm_connector_attach_property(connector,
2375                                               intel_sdvo_connector->bottom,
2376                                               intel_sdvo_connector->bottom_margin);
2377                 DRM_DEBUG_KMS("v_overscan: max %d, "
2378                               "default %d, current %d\n",
2379                               data_value[0], data_value[1], response);
2380         }
2381
2382         ENHANCEMENT(hpos, HPOS);
2383         ENHANCEMENT(vpos, VPOS);
2384         ENHANCEMENT(saturation, SATURATION);
2385         ENHANCEMENT(contrast, CONTRAST);
2386         ENHANCEMENT(hue, HUE);
2387         ENHANCEMENT(sharpness, SHARPNESS);
2388         ENHANCEMENT(brightness, BRIGHTNESS);
2389         ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2390         ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2391         ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2392         ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2393         ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2394
2395         if (enhancements.dot_crawl) {
2396                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2397                         return false;
2398
2399                 intel_sdvo_connector->max_dot_crawl = 1;
2400                 intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2401                 intel_sdvo_connector->dot_crawl =
2402                         drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
2403                 if (!intel_sdvo_connector->dot_crawl)
2404                         return false;
2405
2406                 drm_connector_attach_property(connector,
2407                                               intel_sdvo_connector->dot_crawl,
2408                                               intel_sdvo_connector->cur_dot_crawl);
2409                 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2410         }
2411
2412         return true;
2413 }
2414
2415 static bool
2416 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2417                                         struct intel_sdvo_connector *intel_sdvo_connector,
2418                                         struct intel_sdvo_enhancements_reply enhancements)
2419 {
2420         struct drm_device *dev = intel_sdvo->base.base.dev;
2421         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2422         uint16_t response, data_value[2];
2423
2424         ENHANCEMENT(brightness, BRIGHTNESS);
2425
2426         return true;
2427 }
2428 #undef ENHANCEMENT
2429
2430 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2431                                                struct intel_sdvo_connector *intel_sdvo_connector)
2432 {
2433         union {
2434                 struct intel_sdvo_enhancements_reply reply;
2435                 uint16_t response;
2436         } enhancements;
2437
2438         BUILD_BUG_ON(sizeof(enhancements) != 2);
2439
2440         enhancements.response = 0;
2441         intel_sdvo_get_value(intel_sdvo,
2442                              SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2443                              &enhancements, sizeof(enhancements));
2444         if (enhancements.response == 0) {
2445                 DRM_DEBUG_KMS("No enhancement is supported\n");
2446                 return true;
2447         }
2448
2449         if (IS_TV(intel_sdvo_connector))
2450                 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2451         else if (IS_LVDS(intel_sdvo_connector))
2452                 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2453         else
2454                 return true;
2455 }
2456
2457 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2458                                      struct i2c_msg *msgs,
2459                                      int num)
2460 {
2461         struct intel_sdvo *sdvo = adapter->algo_data;
2462
2463         if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2464                 return -EIO;
2465
2466         return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2467 }
2468
2469 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2470 {
2471         struct intel_sdvo *sdvo = adapter->algo_data;
2472         return sdvo->i2c->algo->functionality(sdvo->i2c);
2473 }
2474
2475 static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
2476         .master_xfer    = intel_sdvo_ddc_proxy_xfer,
2477         .functionality  = intel_sdvo_ddc_proxy_func
2478 };
2479
2480 static bool
2481 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
2482                           struct drm_device *dev)
2483 {
2484         sdvo->ddc.owner = THIS_MODULE;
2485         sdvo->ddc.class = I2C_CLASS_DDC;
2486         snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2487         sdvo->ddc.dev.parent = &dev->pdev->dev;
2488         sdvo->ddc.algo_data = sdvo;
2489         sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
2490
2491         return i2c_add_adapter(&sdvo->ddc) == 0;
2492 }
2493
2494 bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
2495 {
2496         struct drm_i915_private *dev_priv = dev->dev_private;
2497         struct intel_encoder *intel_encoder;
2498         struct intel_sdvo *intel_sdvo;
2499         int i;
2500
2501         intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);
2502         if (!intel_sdvo)
2503                 return false;
2504
2505         intel_sdvo->sdvo_reg = sdvo_reg;
2506         intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, sdvo_reg) >> 1;
2507         intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
2508         if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev)) {
2509                 kfree(intel_sdvo);
2510                 return false;
2511         }
2512
2513         /* encoder type will be decided later */
2514         intel_encoder = &intel_sdvo->base;
2515         intel_encoder->type = INTEL_OUTPUT_SDVO;
2516         drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
2517
2518         /* Read the regs to test if we can talk to the device */
2519         for (i = 0; i < 0x40; i++) {
2520                 u8 byte;
2521
2522                 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
2523                         DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
2524                                       IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2525                         goto err;
2526                 }
2527         }
2528
2529         if (IS_SDVOB(sdvo_reg))
2530                 dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
2531         else
2532                 dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
2533
2534         drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
2535
2536         /* In default case sdvo lvds is false */
2537         if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
2538                 goto err;
2539
2540         /* Set up hotplug command - note paranoia about contents of reply.
2541          * We assume that the hardware is in a sane state, and only touch
2542          * the bits we think we understand.
2543          */
2544         intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG,
2545                              &intel_sdvo->hotplug_active, 2);
2546         intel_sdvo->hotplug_active[0] &= ~0x3;
2547
2548         if (intel_sdvo_output_setup(intel_sdvo,
2549                                     intel_sdvo->caps.output_flags) != true) {
2550                 DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
2551                               IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2552                 goto err;
2553         }
2554
2555         intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
2556
2557         /* Set the input timing to the screen. Assume always input 0. */
2558         if (!intel_sdvo_set_target_input(intel_sdvo))
2559                 goto err;
2560
2561         if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
2562                                                     &intel_sdvo->pixel_clock_min,
2563                                                     &intel_sdvo->pixel_clock_max))
2564                 goto err;
2565
2566         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2567                         "clock range %dMHz - %dMHz, "
2568                         "input 1: %c, input 2: %c, "
2569                         "output 1: %c, output 2: %c\n",
2570                         SDVO_NAME(intel_sdvo),
2571                         intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
2572                         intel_sdvo->caps.device_rev_id,
2573                         intel_sdvo->pixel_clock_min / 1000,
2574                         intel_sdvo->pixel_clock_max / 1000,
2575                         (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2576                         (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2577                         /* check currently supported outputs */
2578                         intel_sdvo->caps.output_flags &
2579                         (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2580                         intel_sdvo->caps.output_flags &
2581                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2582         return true;
2583
2584 err:
2585         drm_encoder_cleanup(&intel_encoder->base);
2586         i2c_del_adapter(&intel_sdvo->ddc);
2587         kfree(intel_sdvo);
2588
2589         return false;
2590 }