drivers/gpu/drm/i915/intel_sdvo.c

   1 /*
   2  * Copyright 2006 Dave Airlie <airlied@linux.ie>
   3  * Copyright © 2006-2007 Intel Corporation
   4  *   Jesse Barnes <jesse.barnes@intel.com>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23  * DEALINGS IN THE SOFTWARE.
  24  *
  25  * Authors:
  26  *      Eric Anholt <eric@anholt.net>
  27  */
  28 #include <linux/i2c.h>
  29 #include <linux/slab.h>
  30 #include <linux/delay.h>
  31 #include <linux/export.h>
  32 #include <drm/drmP.h>
  33 #include <drm/drm_crtc.h>
  34 #include <drm/drm_edid.h>
  35 #include "intel_drv.h"
  36 #include <drm/i915_drm.h>
  37 #include "i915_drv.h"
  38 #include "intel_sdvo_regs.h"
  39
  40 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
  41 #define SDVO_RGB_MASK  (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
  42 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
  43 #define SDVO_TV_MASK   (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0)
  44
  45 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
  46                         SDVO_TV_MASK)
  47
  48 #define IS_TV(c)        (c->output_flag & SDVO_TV_MASK)
  49 #define IS_TMDS(c)      (c->output_flag & SDVO_TMDS_MASK)
  50 #define IS_LVDS(c)      (c->output_flag & SDVO_LVDS_MASK)
  51 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
  52 #define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
  53
  54
  55 static const char *tv_format_names[] = {
  56         "NTSC_M"   , "NTSC_J"  , "NTSC_443",
  57         "PAL_B"    , "PAL_D"   , "PAL_G"   ,
  58         "PAL_H"    , "PAL_I"   , "PAL_M"   ,
  59         "PAL_N"    , "PAL_NC"  , "PAL_60"  ,
  60         "SECAM_B"  , "SECAM_D" , "SECAM_G" ,
  61         "SECAM_K"  , "SECAM_K1", "SECAM_L" ,
  62         "SECAM_60"
  63 };
  64
  65 #define TV_FORMAT_NUM  (sizeof(tv_format_names) / sizeof(*tv_format_names))
  66
  67 struct intel_sdvo {
  68         struct intel_encoder base;
  69
  70         struct i2c_adapter *i2c;
  71         u8 slave_addr;
  72
  73         struct i2c_adapter ddc;
  74
  75         /* Register for the SDVO device: SDVOB or SDVOC */
  76         uint32_t sdvo_reg;
  77
  78         /* Active outputs controlled by this SDVO output */
  79         uint16_t controlled_output;
  80
  81         /*
  82          * Capabilities of the SDVO device returned by
  83          * intel_sdvo_get_capabilities()
  84          */
  85         struct intel_sdvo_caps caps;
  86
  87         /* Pixel clock limitations reported by the SDVO device, in kHz */
  88         int pixel_clock_min, pixel_clock_max;
  89
  90         /*
  91         * For multiple function SDVO device,
  92         * this is for current attached outputs.
  93         */
  94         uint16_t attached_output;
  95
  96         /*
  97          * Hotplug activation bits for this device
  98          */
  99         uint16_t hotplug_active;
 100
 101         /**
 102          * This is used to select the color range of RBG outputs in HDMI mode.
 103          * It is only valid when using TMDS encoding and 8 bit per color mode.
 104          */
 105         uint32_t color_range;
 106         bool color_range_auto;
 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         /* On different gens SDVOB is at different places. */
 118         bool is_sdvob;
 119
 120         /* This is for current tv format name */
 121         int tv_format_index;
 122
 123         /**
 124          * This is set if we treat the device as HDMI, instead of DVI.
 125          */
 126         bool is_hdmi;
 127         bool has_hdmi_monitor;
 128         bool has_hdmi_audio;
 129         bool rgb_quant_range_selectable;
 130
 131         /**
 132          * This is set if we detect output of sdvo device as LVDS and
 133          * have a valid fixed mode to use with the panel.
 134          */
 135         bool is_lvds;
 136
 137         /**
 138          * This is sdvo fixed pannel mode pointer
 139          */
 140         struct drm_display_mode *sdvo_lvds_fixed_mode;
 141
 142         /* DDC bus used by this SDVO encoder */
 143         uint8_t ddc_bus;
 144
 145         /*
 146          * the sdvo flag gets lost in round trip: dtd->adjusted_mode->dtd
 147          */
 148         uint8_t dtd_sdvo_flags;
 149 };
 150
 151 struct intel_sdvo_connector {
 152         struct intel_connector base;
 153
 154         /* Mark the type of connector */
 155         uint16_t output_flag;
 156
 157         enum hdmi_force_audio force_audio;
 158
 159         /* This contains all current supported TV format */
 160         u8 tv_format_supported[TV_FORMAT_NUM];
 161         int   format_supported_num;
 162         struct drm_property *tv_format;
 163
 164         /* add the property for the SDVO-TV */
 165         struct drm_property *left;
 166         struct drm_property *right;
 167         struct drm_property *top;
 168         struct drm_property *bottom;
 169         struct drm_property *hpos;
 170         struct drm_property *vpos;
 171         struct drm_property *contrast;
 172         struct drm_property *saturation;
 173         struct drm_property *hue;
 174         struct drm_property *sharpness;
 175         struct drm_property *flicker_filter;
 176         struct drm_property *flicker_filter_adaptive;
 177         struct drm_property *flicker_filter_2d;
 178         struct drm_property *tv_chroma_filter;
 179         struct drm_property *tv_luma_filter;
 180         struct drm_property *dot_crawl;
 181
 182         /* add the property for the SDVO-TV/LVDS */
 183         struct drm_property *brightness;
 184
 185         /* Add variable to record current setting for the above property */
 186         u32     left_margin, right_margin, top_margin, bottom_margin;
 187
 188         /* this is to get the range of margin.*/
 189         u32     max_hscan,  max_vscan;
 190         u32     max_hpos, cur_hpos;
 191         u32     max_vpos, cur_vpos;
 192         u32     cur_brightness, max_brightness;
 193         u32     cur_contrast,   max_contrast;
 194         u32     cur_saturation, max_saturation;
 195         u32     cur_hue,        max_hue;
 196         u32     cur_sharpness,  max_sharpness;
 197         u32     cur_flicker_filter,             max_flicker_filter;
 198         u32     cur_flicker_filter_adaptive,    max_flicker_filter_adaptive;
 199         u32     cur_flicker_filter_2d,          max_flicker_filter_2d;
 200         u32     cur_tv_chroma_filter,   max_tv_chroma_filter;
 201         u32     cur_tv_luma_filter,     max_tv_luma_filter;
 202         u32     cur_dot_crawl,  max_dot_crawl;
 203 };
 204
 205 static struct intel_sdvo *to_sdvo(struct intel_encoder *encoder)
 206 {
 207         return container_of(encoder, struct intel_sdvo, base);
 208 }
 209
 210 static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
 211 {
 212         return to_sdvo(intel_attached_encoder(connector));
 213 }
 214
 215 static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector)
 216 {
 217         return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);
 218 }
 219
 220 static bool
 221 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
 222 static bool
 223 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
 224                               struct intel_sdvo_connector *intel_sdvo_connector,
 225                               int type);
 226 static bool
 227 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
 228                                    struct intel_sdvo_connector *intel_sdvo_connector);
 229
 230 /**
 231  * Writes the SDVOB or SDVOC with the given value, but always writes both
 232  * SDVOB and SDVOC to work around apparent hardware issues (according to
 233  * comments in the BIOS).
 234  */
 235 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
 236 {
 237         struct drm_device *dev = intel_sdvo->base.base.dev;
 238         struct drm_i915_private *dev_priv = dev->dev_private;
 239         u32 bval = val, cval = val;
 240         int i;
 241
 242         if (intel_sdvo->sdvo_reg == PCH_SDVOB) {
 243                 I915_WRITE(intel_sdvo->sdvo_reg, val);
 244                 I915_READ(intel_sdvo->sdvo_reg);
 245                 return;
 246         }
 247
 248         if (intel_sdvo->sdvo_reg == GEN3_SDVOB)
 249                 cval = I915_READ(GEN3_SDVOC);
 250         else
 251                 bval = I915_READ(GEN3_SDVOB);
 252
 253         /*
 254          * Write the registers twice for luck. Sometimes,
 255          * writing them only once doesn't appear to 'stick'.
 256          * The BIOS does this too. Yay, magic
 257          */
 258         for (i = 0; i < 2; i++)
 259         {
 260                 I915_WRITE(GEN3_SDVOB, bval);
 261                 I915_READ(GEN3_SDVOB);
 262                 I915_WRITE(GEN3_SDVOC, cval);
 263                 I915_READ(GEN3_SDVOC);
 264         }
 265 }
 266
 267 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
 268 {
 269         struct i2c_msg msgs[] = {
 270                 {
 271                         .addr = intel_sdvo->slave_addr,
 272                         .flags = 0,
 273                         .len = 1,
 274                         .buf = &addr,
 275                 },
 276                 {
 277                         .addr = intel_sdvo->slave_addr,
 278                         .flags = I2C_M_RD,
 279                         .len = 1,
 280                         .buf = ch,
 281                 }
 282         };
 283         int ret;
 284
 285         if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
 286                 return true;
 287
 288         DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
 289         return false;
 290 }
 291
 292 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
 293 /** Mapping of command numbers to names, for debug output */
 294 static const struct _sdvo_cmd_name {
 295         u8 cmd;
 296         const char *name;
 297 } sdvo_cmd_names[] = {
 298         SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
 299         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
 300         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
 301         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
 302         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
 303         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
 304         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
 305         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
 306         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
 307         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
 308         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
 309         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
 310         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
 311         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
 312         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
 313         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
 314         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
 315         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 316         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
 317         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 318         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
 319         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
 320         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
 321         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
 322         SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
 323         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
 324         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
 325         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
 326         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
 327         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
 328         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
 329         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
 330         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
 331         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
 332         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
 333         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
 334         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
 335         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
 336         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
 337         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
 338         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
 339         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
 340         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
 341
 342         /* Add the op code for SDVO enhancements */
 343         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
 344         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
 345         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
 346         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
 347         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
 348         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
 349         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
 350         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
 351         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
 352         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
 353         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
 354         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
 355         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
 356         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
 357         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
 358         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
 359         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
 360         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
 361         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
 362         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
 363         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
 364         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
 365         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
 366         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
 367         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
 368         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
 369         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
 370         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
 371         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
 372         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
 373         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
 374         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
 375         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
 376         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
 377         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
 378         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
 379         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
 380         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
 381         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
 382         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
 383         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
 384         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
 385         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
 386         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
 387
 388         /* HDMI op code */
 389         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
 390         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
 391         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
 392         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
 393         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
 394         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
 395         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
 396         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
 397         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
 398         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
 399         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
 400         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
 401         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
 402         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
 403         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
 404         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
 405         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
 406         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
 407         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
 408         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
 409 };
 410
 411 #define SDVO_NAME(svdo) ((svdo)->is_sdvob ? "SDVOB" : "SDVOC")
 412
 413 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
 414                                    const void *args, int args_len)
 415 {
 416         int i;
 417
 418         DRM_DEBUG_KMS("%s: W: %02X ",
 419                                 SDVO_NAME(intel_sdvo), cmd);
 420         for (i = 0; i < args_len; i++)
 421                 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
 422         for (; i < 8; i++)
 423                 DRM_LOG_KMS("   ");
 424         for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
 425                 if (cmd == sdvo_cmd_names[i].cmd) {
 426                         DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
 427                         break;
 428                 }
 429         }
 430         if (i == ARRAY_SIZE(sdvo_cmd_names))
 431                 DRM_LOG_KMS("(%02X)", cmd);
 432         DRM_LOG_KMS("\n");
 433 }
 434
 435 static const char *cmd_status_names[] = {
 436         "Power on",
 437         "Success",
 438         "Not supported",
 439         "Invalid arg",
 440         "Pending",
 441         "Target not specified",
 442         "Scaling not supported"
 443 };
 444
 445 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
 446                                  const void *args, int args_len)
 447 {
 448         u8 *buf, status;
 449         struct i2c_msg *msgs;
 450         int i, ret = true;
 451
 452         /* Would be simpler to allocate both in one go ? */
 453         buf = kzalloc(args_len * 2 + 2, GFP_KERNEL);
 454         if (!buf)
 455                 return false;
 456
 457         msgs = kcalloc(args_len + 3, sizeof(*msgs), GFP_KERNEL);
 458         if (!msgs) {
 459                 kfree(buf);
 460                 return false;
 461         }
 462
 463         intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
 464
 465         for (i = 0; i < args_len; i++) {
 466                 msgs[i].addr = intel_sdvo->slave_addr;
 467                 msgs[i].flags = 0;
 468                 msgs[i].len = 2;
 469                 msgs[i].buf = buf + 2 *i;
 470                 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
 471                 buf[2*i + 1] = ((u8*)args)[i];
 472         }
 473         msgs[i].addr = intel_sdvo->slave_addr;
 474         msgs[i].flags = 0;
 475         msgs[i].len = 2;
 476         msgs[i].buf = buf + 2*i;
 477         buf[2*i + 0] = SDVO_I2C_OPCODE;
 478         buf[2*i + 1] = cmd;
 479
 480         /* the following two are to read the response */
 481         status = SDVO_I2C_CMD_STATUS;
 482         msgs[i+1].addr = intel_sdvo->slave_addr;
 483         msgs[i+1].flags = 0;
 484         msgs[i+1].len = 1;
 485         msgs[i+1].buf = &status;
 486
 487         msgs[i+2].addr = intel_sdvo->slave_addr;
 488         msgs[i+2].flags = I2C_M_RD;
 489         msgs[i+2].len = 1;
 490         msgs[i+2].buf = &status;
 491
 492         ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
 493         if (ret < 0) {
 494                 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
 495                 ret = false;
 496                 goto out;
 497         }
 498         if (ret != i+3) {
 499                 /* failure in I2C transfer */
 500                 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
 501                 ret = false;
 502         }
 503
 504 out:
 505         kfree(msgs);
 506         kfree(buf);
 507         return ret;
 508 }
 509
 510 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
 511                                      void *response, int response_len)
 512 {
 513         u8 retry = 15; /* 5 quick checks, followed by 10 long checks */
 514         u8 status;
 515         int i;
 516
 517         DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));
 518
 519         /*
 520          * The documentation states that all commands will be
 521          * processed within 15µs, and that we need only poll
 522          * the status byte a maximum of 3 times in order for the
 523          * command to be complete.
 524          *
 525          * Check 5 times in case the hardware failed to read the docs.
 526          *
 527          * Also beware that the first response by many devices is to
 528          * reply PENDING and stall for time. TVs are notorious for
 529          * requiring longer than specified to complete their replies.
 530          * Originally (in the DDX long ago), the delay was only ever 15ms
 531          * with an additional delay of 30ms applied for TVs added later after
 532          * many experiments. To accommodate both sets of delays, we do a
 533          * sequence of slow checks if the device is falling behind and fails
 534          * to reply within 5*15µs.
 535          */
 536         if (!intel_sdvo_read_byte(intel_sdvo,
 537                                   SDVO_I2C_CMD_STATUS,
 538                                   &status))
 539                 goto log_fail;
 540
 541         while ((status == SDVO_CMD_STATUS_PENDING ||
 542                 status == SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED) && --retry) {
 543                 if (retry < 10)
 544                         msleep(15);
 545                 else
 546                         udelay(15);
 547
 548                 if (!intel_sdvo_read_byte(intel_sdvo,
 549                                           SDVO_I2C_CMD_STATUS,
 550                                           &status))
 551                         goto log_fail;
 552         }
 553
 554         if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
 555                 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
 556         else
 557                 DRM_LOG_KMS("(??? %d)", status);
 558
 559         if (status != SDVO_CMD_STATUS_SUCCESS)
 560                 goto log_fail;
 561
 562         /* Read the command response */
 563         for (i = 0; i < response_len; i++) {
 564                 if (!intel_sdvo_read_byte(intel_sdvo,
 565                                           SDVO_I2C_RETURN_0 + i,
 566                                           &((u8 *)response)[i]))
 567                         goto log_fail;
 568                 DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
 569         }
 570         DRM_LOG_KMS("\n");
 571         return true;
 572
 573 log_fail:
 574         DRM_LOG_KMS("... failed\n");
 575         return false;
 576 }
 577
 578 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
 579 {
 580         if (mode->clock >= 100000)
 581                 return 1;
 582         else if (mode->clock >= 50000)
 583                 return 2;
 584         else
 585                 return 4;
 586 }
 587
 588 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
 589                                               u8 ddc_bus)
 590 {
 591         /* This must be the immediately preceding write before the i2c xfer */
 592         return intel_sdvo_write_cmd(intel_sdvo,
 593                                     SDVO_CMD_SET_CONTROL_BUS_SWITCH,
 594                                     &ddc_bus, 1);
 595 }
 596
 597 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
 598 {
 599         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
 600                 return false;
 601
 602         return intel_sdvo_read_response(intel_sdvo, NULL, 0);
 603 }
 604
 605 static bool
 606 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
 607 {
 608         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
 609                 return false;
 610
 611         return intel_sdvo_read_response(intel_sdvo, value, len);
 612 }
 613
 614 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
 615 {
 616         struct intel_sdvo_set_target_input_args targets = {0};
 617         return intel_sdvo_set_value(intel_sdvo,
 618                                     SDVO_CMD_SET_TARGET_INPUT,
 619                                     &targets, sizeof(targets));
 620 }
 621
 622 /**
 623  * Return whether each input is trained.
 624  *
 625  * This function is making an assumption about the layout of the response,
 626  * which should be checked against the docs.
 627  */
 628 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
 629 {
 630         struct intel_sdvo_get_trained_inputs_response response;
 631
 632         BUILD_BUG_ON(sizeof(response) != 1);
 633         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
 634                                   &response, sizeof(response)))
 635                 return false;
 636
 637         *input_1 = response.input0_trained;
 638         *input_2 = response.input1_trained;
 639         return true;
 640 }
 641
 642 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
 643                                           u16 outputs)
 644 {
 645         return intel_sdvo_set_value(intel_sdvo,
 646                                     SDVO_CMD_SET_ACTIVE_OUTPUTS,
 647                                     &outputs, sizeof(outputs));
 648 }
 649
 650 static bool intel_sdvo_get_active_outputs(struct intel_sdvo *intel_sdvo,
 651                                           u16 *outputs)
 652 {
 653         return intel_sdvo_get_value(intel_sdvo,
 654                                     SDVO_CMD_GET_ACTIVE_OUTPUTS,
 655                                     outputs, sizeof(*outputs));
 656 }
 657
 658 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
 659                                                int mode)
 660 {
 661         u8 state = SDVO_ENCODER_STATE_ON;
 662
 663         switch (mode) {
 664         case DRM_MODE_DPMS_ON:
 665                 state = SDVO_ENCODER_STATE_ON;
 666                 break;
 667         case DRM_MODE_DPMS_STANDBY:
 668                 state = SDVO_ENCODER_STATE_STANDBY;
 669                 break;
 670         case DRM_MODE_DPMS_SUSPEND:
 671                 state = SDVO_ENCODER_STATE_SUSPEND;
 672                 break;
 673         case DRM_MODE_DPMS_OFF:
 674                 state = SDVO_ENCODER_STATE_OFF;
 675                 break;
 676         }
 677
 678         return intel_sdvo_set_value(intel_sdvo,
 679                                     SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
 680 }
 681
 682 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
 683                                                    int *clock_min,
 684                                                    int *clock_max)
 685 {
 686         struct intel_sdvo_pixel_clock_range clocks;
 687
 688         BUILD_BUG_ON(sizeof(clocks) != 4);
 689         if (!intel_sdvo_get_value(intel_sdvo,
 690                                   SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
 691                                   &clocks, sizeof(clocks)))
 692                 return false;
 693
 694         /* Convert the values from units of 10 kHz to kHz. */
 695         *clock_min = clocks.min * 10;
 696         *clock_max = clocks.max * 10;
 697         return true;
 698 }
 699
 700 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
 701                                          u16 outputs)
 702 {
 703         return intel_sdvo_set_value(intel_sdvo,
 704                                     SDVO_CMD_SET_TARGET_OUTPUT,
 705                                     &outputs, sizeof(outputs));
 706 }
 707
 708 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
 709                                   struct intel_sdvo_dtd *dtd)
 710 {
 711         return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
 712                 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
 713 }
 714
 715 static bool intel_sdvo_get_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
 716                                   struct intel_sdvo_dtd *dtd)
 717 {
 718         return intel_sdvo_get_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
 719                 intel_sdvo_get_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
 720 }
 721
 722 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
 723                                          struct intel_sdvo_dtd *dtd)
 724 {
 725         return intel_sdvo_set_timing(intel_sdvo,
 726                                      SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
 727 }
 728
 729 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
 730                                          struct intel_sdvo_dtd *dtd)
 731 {
 732         return intel_sdvo_set_timing(intel_sdvo,
 733                                      SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
 734 }
 735
 736 static bool intel_sdvo_get_input_timing(struct intel_sdvo *intel_sdvo,
 737                                         struct intel_sdvo_dtd *dtd)
 738 {
 739         return intel_sdvo_get_timing(intel_sdvo,
 740                                      SDVO_CMD_GET_INPUT_TIMINGS_PART1, dtd);
 741 }
 742
 743 static bool
 744 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 745                                          uint16_t clock,
 746                                          uint16_t width,
 747                                          uint16_t height)
 748 {
 749         struct intel_sdvo_preferred_input_timing_args args;
 750
 751         memset(&args, 0, sizeof(args));
 752         args.clock = clock;
 753         args.width = width;
 754         args.height = height;
 755         args.interlace = 0;
 756
 757         if (intel_sdvo->is_lvds &&
 758            (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
 759             intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
 760                 args.scaled = 1;
 761
 762         return intel_sdvo_set_value(intel_sdvo,
 763                                     SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
 764                                     &args, sizeof(args));
 765 }
 766
 767 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 768                                                   struct intel_sdvo_dtd *dtd)
 769 {
 770         BUILD_BUG_ON(sizeof(dtd->part1) != 8);
 771         BUILD_BUG_ON(sizeof(dtd->part2) != 8);
 772         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
 773                                     &dtd->part1, sizeof(dtd->part1)) &&
 774                 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
 775                                      &dtd->part2, sizeof(dtd->part2));
 776 }
 777
 778 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
 779 {
 780         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
 781 }
 782
 783 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
 784                                          const struct drm_display_mode *mode)
 785 {
 786         uint16_t width, height;
 787         uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
 788         uint16_t h_sync_offset, v_sync_offset;
 789         int mode_clock;
 790
 791         memset(dtd, 0, sizeof(*dtd));
 792
 793         width = mode->hdisplay;
 794         height = mode->vdisplay;
 795
 796         /* do some mode translations */
 797         h_blank_len = mode->htotal - mode->hdisplay;
 798         h_sync_len = mode->hsync_end - mode->hsync_start;
 799
 800         v_blank_len = mode->vtotal - mode->vdisplay;
 801         v_sync_len = mode->vsync_end - mode->vsync_start;
 802
 803         h_sync_offset = mode->hsync_start - mode->hdisplay;
 804         v_sync_offset = mode->vsync_start - mode->vdisplay;
 805
 806         mode_clock = mode->clock;
 807         mode_clock /= 10;
 808         dtd->part1.clock = mode_clock;
 809
 810         dtd->part1.h_active = width & 0xff;
 811         dtd->part1.h_blank = h_blank_len & 0xff;
 812         dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
 813                 ((h_blank_len >> 8) & 0xf);
 814         dtd->part1.v_active = height & 0xff;
 815         dtd->part1.v_blank = v_blank_len & 0xff;
 816         dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
 817                 ((v_blank_len >> 8) & 0xf);
 818
 819         dtd->part2.h_sync_off = h_sync_offset & 0xff;
 820         dtd->part2.h_sync_width = h_sync_len & 0xff;
 821         dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
 822                 (v_sync_len & 0xf);
 823         dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
 824                 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
 825                 ((v_sync_len & 0x30) >> 4);
 826
 827         dtd->part2.dtd_flags = 0x18;
 828         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 829                 dtd->part2.dtd_flags |= DTD_FLAG_INTERLACE;
 830         if (mode->flags & DRM_MODE_FLAG_PHSYNC)
 831                 dtd->part2.dtd_flags |= DTD_FLAG_HSYNC_POSITIVE;
 832         if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 833                 dtd->part2.dtd_flags |= DTD_FLAG_VSYNC_POSITIVE;
 834
 835         dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
 836 }
 837
 838 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode *pmode,
 839                                          const struct intel_sdvo_dtd *dtd)
 840 {
 841         struct drm_display_mode mode = {};
 842
 843         mode.hdisplay = dtd->part1.h_active;
 844         mode.hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
 845         mode.hsync_start = mode.hdisplay + dtd->part2.h_sync_off;
 846         mode.hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
 847         mode.hsync_end = mode.hsync_start + dtd->part2.h_sync_width;
 848         mode.hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
 849         mode.htotal = mode.hdisplay + dtd->part1.h_blank;
 850         mode.htotal += (dtd->part1.h_high & 0xf) << 8;
 851
 852         mode.vdisplay = dtd->part1.v_active;
 853         mode.vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
 854         mode.vsync_start = mode.vdisplay;
 855         mode.vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
 856         mode.vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
 857         mode.vsync_start += dtd->part2.v_sync_off_high & 0xc0;
 858         mode.vsync_end = mode.vsync_start +
 859                 (dtd->part2.v_sync_off_width & 0xf);
 860         mode.vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
 861         mode.vtotal = mode.vdisplay + dtd->part1.v_blank;
 862         mode.vtotal += (dtd->part1.v_high & 0xf) << 8;
 863
 864         mode.clock = dtd->part1.clock * 10;
 865
 866         if (dtd->part2.dtd_flags & DTD_FLAG_INTERLACE)
 867                 mode.flags |= DRM_MODE_FLAG_INTERLACE;
 868         if (dtd->part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
 869                 mode.flags |= DRM_MODE_FLAG_PHSYNC;
 870         else
 871                 mode.flags |= DRM_MODE_FLAG_NHSYNC;
 872         if (dtd->part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
 873                 mode.flags |= DRM_MODE_FLAG_PVSYNC;
 874         else
 875                 mode.flags |= DRM_MODE_FLAG_NVSYNC;
 876
 877         drm_mode_set_crtcinfo(&mode, 0);
 878
 879         drm_mode_copy(pmode, &mode);
 880 }
 881
 882 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
 883 {
 884         struct intel_sdvo_encode encode;
 885
 886         BUILD_BUG_ON(sizeof(encode) != 2);
 887         return intel_sdvo_get_value(intel_sdvo,
 888                                   SDVO_CMD_GET_SUPP_ENCODE,
 889                                   &encode, sizeof(encode));
 890 }
 891
 892 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
 893                                   uint8_t mode)
 894 {
 895         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
 896 }
 897
 898 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
 899                                        uint8_t mode)
 900 {
 901         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
 902 }
 903
 904 #if 0
 905 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
 906 {
 907         int i, j;
 908         uint8_t set_buf_index[2];
 909         uint8_t av_split;
 910         uint8_t buf_size;
 911         uint8_t buf[48];
 912         uint8_t *pos;
 913
 914         intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
 915
 916         for (i = 0; i <= av_split; i++) {
 917                 set_buf_index[0] = i; set_buf_index[1] = 0;
 918                 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
 919                                      set_buf_index, 2);
 920                 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
 921                 intel_sdvo_read_response(encoder, &buf_size, 1);
 922
 923                 pos = buf;
 924                 for (j = 0; j <= buf_size; j += 8) {
 925                         intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
 926                                              NULL, 0);
 927                         intel_sdvo_read_response(encoder, pos, 8);
 928                         pos += 8;
 929                 }
 930         }
 931 }
 932 #endif
 933
 934 static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo,
 935                                        unsigned if_index, uint8_t tx_rate,
 936                                        uint8_t *data, unsigned length)
 937 {
 938         uint8_t set_buf_index[2] = { if_index, 0 };
 939         uint8_t hbuf_size, tmp[8];
 940         int i;
 941
 942         if (!intel_sdvo_set_value(intel_sdvo,
 943                                   SDVO_CMD_SET_HBUF_INDEX,
 944                                   set_buf_index, 2))
 945                 return false;
 946
 947         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
 948                                   &hbuf_size, 1))
 949                 return false;
 950
 951         /* Buffer size is 0 based, hooray! */
 952         hbuf_size++;
 953
 954         DRM_DEBUG_KMS("writing sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n",
 955                       if_index, length, hbuf_size);
 956
 957         for (i = 0; i < hbuf_size; i += 8) {
 958                 memset(tmp, 0, 8);
 959                 if (i < length)
 960                         memcpy(tmp, data + i, min_t(unsigned, 8, length - i));
 961
 962                 if (!intel_sdvo_set_value(intel_sdvo,
 963                                           SDVO_CMD_SET_HBUF_DATA,
 964                                           tmp, 8))
 965                         return false;
 966         }
 967
 968         return intel_sdvo_set_value(intel_sdvo,
 969                                     SDVO_CMD_SET_HBUF_TXRATE,
 970                                     &tx_rate, 1);
 971 }
 972
 973 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo,
 974                                          const struct drm_display_mode *adjusted_mode)
 975 {
 976         uint8_t sdvo_data[HDMI_INFOFRAME_SIZE(AVI)];
 977         struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
 978         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 979         union hdmi_infoframe frame;
 980         int ret;
 981         ssize_t len;
 982
 983         ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi,
 984                                                        adjusted_mode);
 985         if (ret < 0) {
 986                 DRM_ERROR("couldn't fill AVI infoframe\n");
 987                 return false;
 988         }
 989
 990         if (intel_sdvo->rgb_quant_range_selectable) {
 991                 if (intel_crtc->config.limited_color_range)
 992                         frame.avi.quantization_range =
 993                                 HDMI_QUANTIZATION_RANGE_LIMITED;
 994                 else
 995                         frame.avi.quantization_range =
 996                                 HDMI_QUANTIZATION_RANGE_FULL;
 997         }
 998
 999         len = hdmi_infoframe_pack(&frame, sdvo_data, sizeof(sdvo_data));
1000         if (len < 0)
1001                 return false;
1002
1003         return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
1004                                           SDVO_HBUF_TX_VSYNC,
1005                                           sdvo_data, sizeof(sdvo_data));
1006 }
1007
1008 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
1009 {
1010         struct intel_sdvo_tv_format format;
1011         uint32_t format_map;
1012
1013         format_map = 1 << intel_sdvo->tv_format_index;
1014         memset(&format, 0, sizeof(format));
1015         memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
1016
1017         BUILD_BUG_ON(sizeof(format) != 6);
1018         return intel_sdvo_set_value(intel_sdvo,
1019                                     SDVO_CMD_SET_TV_FORMAT,
1020                                     &format, sizeof(format));
1021 }
1022
1023 static bool
1024 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
1025                                         const struct drm_display_mode *mode)
1026 {
1027         struct intel_sdvo_dtd output_dtd;
1028
1029         if (!intel_sdvo_set_target_output(intel_sdvo,
1030                                           intel_sdvo->attached_output))
1031                 return false;
1032
1033         intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1034         if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
1035                 return false;
1036
1037         return true;
1038 }
1039
1040 /* Asks the sdvo controller for the preferred input mode given the output mode.
1041  * Unfortunately we have to set up the full output mode to do that. */
1042 static bool
1043 intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo,
1044                                     const struct drm_display_mode *mode,
1045                                     struct drm_display_mode *adjusted_mode)
1046 {
1047         struct intel_sdvo_dtd input_dtd;
1048
1049         /* Reset the input timing to the screen. Assume always input 0. */
1050         if (!intel_sdvo_set_target_input(intel_sdvo))
1051                 return false;
1052
1053         if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
1054                                                       mode->clock / 10,
1055                                                       mode->hdisplay,
1056                                                       mode->vdisplay))
1057                 return false;
1058
1059         if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
1060                                                    &input_dtd))
1061                 return false;
1062
1063         intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
1064         intel_sdvo->dtd_sdvo_flags = input_dtd.part2.sdvo_flags;
1065
1066         return true;
1067 }
1068
1069 static void i9xx_adjust_sdvo_tv_clock(struct intel_crtc_config *pipe_config)
1070 {
1071         unsigned dotclock = pipe_config->port_clock;
1072         struct dpll *clock = &pipe_config->dpll;
1073
1074         /* SDVO TV has fixed PLL values depend on its clock range,
1075            this mirrors vbios setting. */
1076         if (dotclock >= 100000 && dotclock < 140500) {
1077                 clock->p1 = 2;
1078                 clock->p2 = 10;
1079                 clock->n = 3;
1080                 clock->m1 = 16;
1081                 clock->m2 = 8;
1082         } else if (dotclock >= 140500 && dotclock <= 200000) {
1083                 clock->p1 = 1;
1084                 clock->p2 = 10;
1085                 clock->n = 6;
1086                 clock->m1 = 12;
1087                 clock->m2 = 8;
1088         } else {
1089                 WARN(1, "SDVO TV clock out of range: %i\n", dotclock);
1090         }
1091
1092         pipe_config->clock_set = true;
1093 }
1094
1095 static bool intel_sdvo_compute_config(struct intel_encoder *encoder,
1096                                       struct intel_crtc_config *pipe_config)
1097 {
1098         struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1099         struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode;
1100         struct drm_display_mode *mode = &pipe_config->requested_mode;
1101
1102         DRM_DEBUG_KMS("forcing bpc to 8 for SDVO\n");
1103         pipe_config->pipe_bpp = 8*3;
1104
1105         if (HAS_PCH_SPLIT(encoder->base.dev))
1106                 pipe_config->has_pch_encoder = true;
1107
1108         /* We need to construct preferred input timings based on our
1109          * output timings.  To do that, we have to set the output
1110          * timings, even though this isn't really the right place in
1111          * the sequence to do it. Oh well.
1112          */
1113         if (intel_sdvo->is_tv) {
1114                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
1115                         return false;
1116
1117                 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1118                                                            mode,
1119                                                            adjusted_mode);
1120                 pipe_config->sdvo_tv_clock = true;
1121         } else if (intel_sdvo->is_lvds) {
1122                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
1123                                                              intel_sdvo->sdvo_lvds_fixed_mode))
1124                         return false;
1125
1126                 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1127                                                            mode,
1128                                                            adjusted_mode);
1129         }
1130
1131         /* Make the CRTC code factor in the SDVO pixel multiplier.  The
1132          * SDVO device will factor out the multiplier during mode_set.
1133          */
1134         pipe_config->pixel_multiplier =
1135                 intel_sdvo_get_pixel_multiplier(adjusted_mode);
1136
1137         if (intel_sdvo->color_range_auto) {
1138                 /* See CEA-861-E - 5.1 Default Encoding Parameters */
1139                 /* FIXME: This bit is only valid when using TMDS encoding and 8
1140                  * bit per color mode. */
1141                 if (intel_sdvo->has_hdmi_monitor &&
1142                     drm_match_cea_mode(adjusted_mode) > 1)
1143                         intel_sdvo->color_range = HDMI_COLOR_RANGE_16_235;
1144                 else
1145                         intel_sdvo->color_range = 0;
1146         }
1147
1148         if (intel_sdvo->color_range)
1149                 pipe_config->limited_color_range = true;
1150
1151         /* Clock computation needs to happen after pixel multiplier. */
1152         if (intel_sdvo->is_tv)
1153                 i9xx_adjust_sdvo_tv_clock(pipe_config);
1154
1155         return true;
1156 }
1157
1158 static void intel_sdvo_mode_set(struct intel_encoder *intel_encoder)
1159 {
1160         struct drm_device *dev = intel_encoder->base.dev;
1161         struct drm_i915_private *dev_priv = dev->dev_private;
1162         struct intel_crtc *crtc = to_intel_crtc(intel_encoder->base.crtc);
1163         struct drm_display_mode *adjusted_mode =
1164                 &crtc->config.adjusted_mode;
1165         struct drm_display_mode *mode = &crtc->config.requested_mode;
1166         struct intel_sdvo *intel_sdvo = to_sdvo(intel_encoder);
1167         u32 sdvox;
1168         struct intel_sdvo_in_out_map in_out;
1169         struct intel_sdvo_dtd input_dtd, output_dtd;
1170         int rate;
1171
1172         if (!mode)
1173                 return;
1174
1175         /* First, set the input mapping for the first input to our controlled
1176          * output. This is only correct if we're a single-input device, in
1177          * which case the first input is the output from the appropriate SDVO
1178          * channel on the motherboard.  In a two-input device, the first input
1179          * will be SDVOB and the second SDVOC.
1180          */
1181         in_out.in0 = intel_sdvo->attached_output;
1182         in_out.in1 = 0;
1183
1184         intel_sdvo_set_value(intel_sdvo,
1185                              SDVO_CMD_SET_IN_OUT_MAP,
1186                              &in_out, sizeof(in_out));
1187
1188         /* Set the output timings to the screen */
1189         if (!intel_sdvo_set_target_output(intel_sdvo,
1190                                           intel_sdvo->attached_output))
1191                 return;
1192
1193         /* lvds has a special fixed output timing. */
1194         if (intel_sdvo->is_lvds)
1195                 intel_sdvo_get_dtd_from_mode(&output_dtd,
1196                                              intel_sdvo->sdvo_lvds_fixed_mode);
1197         else
1198                 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1199         if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
1200                 DRM_INFO("Setting output timings on %s failed\n",
1201                          SDVO_NAME(intel_sdvo));
1202
1203         /* Set the input timing to the screen. Assume always input 0. */
1204         if (!intel_sdvo_set_target_input(intel_sdvo))
1205                 return;
1206
1207         if (intel_sdvo->has_hdmi_monitor) {
1208                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1209                 intel_sdvo_set_colorimetry(intel_sdvo,
1210                                            SDVO_COLORIMETRY_RGB256);
1211                 intel_sdvo_set_avi_infoframe(intel_sdvo, adjusted_mode);
1212         } else
1213                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1214
1215         if (intel_sdvo->is_tv &&
1216             !intel_sdvo_set_tv_format(intel_sdvo))
1217                 return;
1218
1219         intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1220
1221         if (intel_sdvo->is_tv || intel_sdvo->is_lvds)
1222                 input_dtd.part2.sdvo_flags = intel_sdvo->dtd_sdvo_flags;
1223         if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd))
1224                 DRM_INFO("Setting input timings on %s failed\n",
1225                          SDVO_NAME(intel_sdvo));
1226
1227         switch (crtc->config.pixel_multiplier) {
1228         default:
1229                 WARN(1, "unknown pixel mutlipler specified\n");
1230         case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1231         case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1232         case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1233         }
1234         if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1235                 return;
1236
1237         /* Set the SDVO control regs. */
1238         if (INTEL_INFO(dev)->gen >= 4) {
1239                 /* The real mode polarity is set by the SDVO commands, using
1240                  * struct intel_sdvo_dtd. */
1241                 sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
1242                 if (!HAS_PCH_SPLIT(dev) && intel_sdvo->is_hdmi)
1243                         sdvox |= intel_sdvo->color_range;
1244                 if (INTEL_INFO(dev)->gen < 5)
1245                         sdvox |= SDVO_BORDER_ENABLE;
1246         } else {
1247                 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1248                 switch (intel_sdvo->sdvo_reg) {
1249                 case GEN3_SDVOB:
1250                         sdvox &= SDVOB_PRESERVE_MASK;
1251                         break;
1252                 case GEN3_SDVOC:
1253                         sdvox &= SDVOC_PRESERVE_MASK;
1254                         break;
1255                 }
1256                 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1257         }
1258
1259         if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
1260                 sdvox |= SDVO_PIPE_SEL_CPT(crtc->pipe);
1261         else
1262                 sdvox |= SDVO_PIPE_SEL(crtc->pipe);
1263
1264         if (intel_sdvo->has_hdmi_audio)
1265                 sdvox |= SDVO_AUDIO_ENABLE;
1266
1267         if (INTEL_INFO(dev)->gen >= 4) {
1268                 /* done in crtc_mode_set as the dpll_md reg must be written early */
1269         } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1270                 /* done in crtc_mode_set as it lives inside the dpll register */
1271         } else {
1272                 sdvox |= (crtc->config.pixel_multiplier - 1)
1273                         << SDVO_PORT_MULTIPLY_SHIFT;
1274         }
1275
1276         if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1277             INTEL_INFO(dev)->gen < 5)
1278                 sdvox |= SDVO_STALL_SELECT;
1279         intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1280 }
1281
1282 static bool intel_sdvo_connector_get_hw_state(struct intel_connector *connector)
1283 {
1284         struct intel_sdvo_connector *intel_sdvo_connector =
1285                 to_intel_sdvo_connector(&connector->base);
1286         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(&connector->base);
1287         u16 active_outputs = 0;
1288
1289         intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
1290
1291         if (active_outputs & intel_sdvo_connector->output_flag)
1292                 return true;
1293         else
1294                 return false;
1295 }
1296
1297 static bool intel_sdvo_get_hw_state(struct intel_encoder *encoder,
1298                                     enum pipe *pipe)
1299 {
1300         struct drm_device *dev = encoder->base.dev;
1301         struct drm_i915_private *dev_priv = dev->dev_private;
1302         struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1303         u16 active_outputs = 0;
1304         u32 tmp;
1305
1306         tmp = I915_READ(intel_sdvo->sdvo_reg);
1307         intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
1308
1309         if (!(tmp & SDVO_ENABLE) && (active_outputs == 0))
1310                 return false;
1311
1312         if (HAS_PCH_CPT(dev))
1313                 *pipe = PORT_TO_PIPE_CPT(tmp);
1314         else
1315                 *pipe = PORT_TO_PIPE(tmp);
1316
1317         return true;
1318 }
1319
1320 static void intel_sdvo_get_config(struct intel_encoder *encoder,
1321                                   struct intel_crtc_config *pipe_config)
1322 {
1323         struct drm_device *dev = encoder->base.dev;
1324         struct drm_i915_private *dev_priv = dev->dev_private;
1325         struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1326         struct intel_sdvo_dtd dtd;
1327         int encoder_pixel_multiplier = 0;
1328         int dotclock;
1329         u32 flags = 0, sdvox;
1330         u8 val;
1331         bool ret;
1332
1333         ret = intel_sdvo_get_input_timing(intel_sdvo, &dtd);
1334         if (!ret) {
1335                 /* Some sdvo encoders are not spec compliant and don't
1336                  * implement the mandatory get_timings function. */
1337                 DRM_DEBUG_DRIVER("failed to retrieve SDVO DTD\n");
1338                 pipe_config->quirks |= PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS;
1339         } else {
1340                 if (dtd.part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
1341                         flags |= DRM_MODE_FLAG_PHSYNC;
1342                 else
1343                         flags |= DRM_MODE_FLAG_NHSYNC;
1344
1345                 if (dtd.part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
1346                         flags |= DRM_MODE_FLAG_PVSYNC;
1347                 else
1348                         flags |= DRM_MODE_FLAG_NVSYNC;
1349         }
1350
1351         pipe_config->adjusted_mode.flags |= flags;
1352
1353         /*
1354          * pixel multiplier readout is tricky: Only on i915g/gm it is stored in
1355          * the sdvo port register, on all other platforms it is part of the dpll
1356          * state. Since the general pipe state readout happens before the
1357          * encoder->get_config we so already have a valid pixel multplier on all
1358          * other platfroms.
1359          */
1360         if (IS_I915G(dev) || IS_I915GM(dev)) {
1361                 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1362                 pipe_config->pixel_multiplier =
1363                         ((sdvox & SDVO_PORT_MULTIPLY_MASK)
1364                          >> SDVO_PORT_MULTIPLY_SHIFT) + 1;
1365         }
1366
1367         dotclock = pipe_config->port_clock / pipe_config->pixel_multiplier;
1368
1369         if (HAS_PCH_SPLIT(dev))
1370                 ironlake_check_encoder_dotclock(pipe_config, dotclock);
1371
1372         pipe_config->adjusted_mode.crtc_clock = dotclock;
1373
1374         /* Cross check the port pixel multiplier with the sdvo encoder state. */
1375         if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_CLOCK_RATE_MULT,
1376                                  &val, 1)) {
1377                 switch (val) {
1378                 case SDVO_CLOCK_RATE_MULT_1X:
1379                         encoder_pixel_multiplier = 1;
1380                         break;
1381                 case SDVO_CLOCK_RATE_MULT_2X:
1382                         encoder_pixel_multiplier = 2;
1383                         break;
1384                 case SDVO_CLOCK_RATE_MULT_4X:
1385                         encoder_pixel_multiplier = 4;
1386                         break;
1387                 }
1388         }
1389
1390         WARN(encoder_pixel_multiplier != pipe_config->pixel_multiplier,
1391              "SDVO pixel multiplier mismatch, port: %i, encoder: %i\n",
1392              pipe_config->pixel_multiplier, encoder_pixel_multiplier);
1393 }
1394
1395 static void intel_disable_sdvo(struct intel_encoder *encoder)
1396 {
1397         struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
1398         struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1399         u32 temp;
1400
1401         intel_sdvo_set_active_outputs(intel_sdvo, 0);
1402         if (0)
1403                 intel_sdvo_set_encoder_power_state(intel_sdvo,
1404                                                    DRM_MODE_DPMS_OFF);
1405
1406         temp = I915_READ(intel_sdvo->sdvo_reg);
1407         if ((temp & SDVO_ENABLE) != 0) {
1408                 /* HW workaround for IBX, we need to move the port to
1409                  * transcoder A before disabling it. */
1410                 if (HAS_PCH_IBX(encoder->base.dev)) {
1411                         struct drm_crtc *crtc = encoder->base.crtc;
1412                         int pipe = crtc ? to_intel_crtc(crtc)->pipe : -1;
1413
1414                         if (temp & SDVO_PIPE_B_SELECT) {
1415                                 temp &= ~SDVO_PIPE_B_SELECT;
1416                                 I915_WRITE(intel_sdvo->sdvo_reg, temp);
1417                                 POSTING_READ(intel_sdvo->sdvo_reg);
1418
1419                                 /* Again we need to write this twice. */
1420                                 I915_WRITE(intel_sdvo->sdvo_reg, temp);
1421                                 POSTING_READ(intel_sdvo->sdvo_reg);
1422
1423                                 /* Transcoder selection bits only update
1424                                  * effectively on vblank. */
1425                                 if (crtc)
1426                                         intel_wait_for_vblank(encoder->base.dev, pipe);
1427                                 else
1428                                         msleep(50);
1429                         }
1430                 }
1431
1432                 intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
1433         }
1434 }
1435
1436 static void intel_enable_sdvo(struct intel_encoder *encoder)
1437 {
1438         struct drm_device *dev = encoder->base.dev;
1439         struct drm_i915_private *dev_priv = dev->dev_private;
1440         struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1441         struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
1442         u32 temp;
1443         bool input1, input2;
1444         int i;
1445         u8 status;
1446
1447         temp = I915_READ(intel_sdvo->sdvo_reg);
1448         if ((temp & SDVO_ENABLE) == 0) {
1449                 /* HW workaround for IBX, we need to move the port
1450                  * to transcoder A before disabling it, so restore it here. */
1451                 if (HAS_PCH_IBX(dev))
1452                         temp |= SDVO_PIPE_SEL(intel_crtc->pipe);
1453
1454                 intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
1455         }
1456         for (i = 0; i < 2; i++)
1457                 intel_wait_for_vblank(dev, intel_crtc->pipe);
1458
1459         status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1460         /* Warn if the device reported failure to sync.
1461          * A lot of SDVO devices fail to notify of sync, but it's
1462          * a given it the status is a success, we succeeded.
1463          */
1464         if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1465                 DRM_DEBUG_KMS("First %s output reported failure to "
1466                                 "sync\n", SDVO_NAME(intel_sdvo));
1467         }
1468
1469         if (0)
1470                 intel_sdvo_set_encoder_power_state(intel_sdvo,
1471                                                    DRM_MODE_DPMS_ON);
1472         intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1473 }
1474
1475 /* Special dpms function to support cloning between dvo/sdvo/crt. */
1476 static void intel_sdvo_dpms(struct drm_connector *connector, int mode)
1477 {
1478         struct drm_crtc *crtc;
1479         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1480
1481         /* dvo supports only 2 dpms states. */
1482         if (mode != DRM_MODE_DPMS_ON)
1483                 mode = DRM_MODE_DPMS_OFF;
1484
1485         if (mode == connector->dpms)
1486                 return;
1487
1488         connector->dpms = mode;
1489
1490         /* Only need to change hw state when actually enabled */
1491         crtc = intel_sdvo->base.base.crtc;
1492         if (!crtc) {
1493                 intel_sdvo->base.connectors_active = false;
1494                 return;
1495         }
1496
1497         /* We set active outputs manually below in case pipe dpms doesn't change
1498          * due to cloning. */
1499         if (mode != DRM_MODE_DPMS_ON) {
1500                 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1501                 if (0)
1502                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1503
1504                 intel_sdvo->base.connectors_active = false;
1505
1506                 intel_crtc_update_dpms(crtc);
1507         } else {
1508                 intel_sdvo->base.connectors_active = true;
1509
1510                 intel_crtc_update_dpms(crtc);
1511
1512                 if (0)
1513                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1514                 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1515         }
1516
1517         intel_modeset_check_state(connector->dev);
1518 }
1519
1520 static int intel_sdvo_mode_valid(struct drm_connector *connector,
1521                                  struct drm_display_mode *mode)
1522 {
1523         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1524
1525         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1526                 return MODE_NO_DBLESCAN;
1527
1528         if (intel_sdvo->pixel_clock_min > mode->clock)
1529                 return MODE_CLOCK_LOW;
1530
1531         if (intel_sdvo->pixel_clock_max < mode->clock)
1532                 return MODE_CLOCK_HIGH;
1533
1534         if (intel_sdvo->is_lvds) {
1535                 if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1536                         return MODE_PANEL;
1537
1538                 if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1539                         return MODE_PANEL;
1540         }
1541
1542         return MODE_OK;
1543 }
1544
1545 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1546 {
1547         BUILD_BUG_ON(sizeof(*caps) != 8);
1548         if (!intel_sdvo_get_value(intel_sdvo,
1549                                   SDVO_CMD_GET_DEVICE_CAPS,
1550                                   caps, sizeof(*caps)))
1551                 return false;
1552
1553         DRM_DEBUG_KMS("SDVO capabilities:\n"
1554                       "  vendor_id: %d\n"
1555                       "  device_id: %d\n"
1556                       "  device_rev_id: %d\n"
1557                       "  sdvo_version_major: %d\n"
1558                       "  sdvo_version_minor: %d\n"
1559                       "  sdvo_inputs_mask: %d\n"
1560                       "  smooth_scaling: %d\n"
1561                       "  sharp_scaling: %d\n"
1562                       "  up_scaling: %d\n"
1563                       "  down_scaling: %d\n"
1564                       "  stall_support: %d\n"
1565                       "  output_flags: %d\n",
1566                       caps->vendor_id,
1567                       caps->device_id,
1568                       caps->device_rev_id,
1569                       caps->sdvo_version_major,
1570                       caps->sdvo_version_minor,
1571                       caps->sdvo_inputs_mask,
1572                       caps->smooth_scaling,
1573                       caps->sharp_scaling,
1574                       caps->up_scaling,
1575                       caps->down_scaling,
1576                       caps->stall_support,
1577                       caps->output_flags);
1578
1579         return true;
1580 }
1581
1582 static uint16_t intel_sdvo_get_hotplug_support(struct intel_sdvo *intel_sdvo)
1583 {
1584         struct drm_device *dev = intel_sdvo->base.base.dev;
1585         uint16_t hotplug;
1586
1587         /* HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
1588          * on the line. */
1589         if (IS_I945G(dev) || IS_I945GM(dev))
1590                 return 0;
1591
1592         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1593                                         &hotplug, sizeof(hotplug)))
1594                 return 0;
1595
1596         return hotplug;
1597 }
1598
1599 static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
1600 {
1601         struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1602
1603         intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG,
1604                         &intel_sdvo->hotplug_active, 2);
1605 }
1606
1607 static bool
1608 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1609 {
1610         /* Is there more than one type of output? */
1611         return hweight16(intel_sdvo->caps.output_flags) > 1;
1612 }
1613
1614 static struct edid *
1615 intel_sdvo_get_edid(struct drm_connector *connector)
1616 {
1617         struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
1618         return drm_get_edid(connector, &sdvo->ddc);
1619 }
1620
1621 /* Mac mini hack -- use the same DDC as the analog connector */
1622 static struct edid *
1623 intel_sdvo_get_analog_edid(struct drm_connector *connector)
1624 {
1625         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1626
1627         return drm_get_edid(connector,
1628                             intel_gmbus_get_adapter(dev_priv,
1629                                                     dev_priv->vbt.crt_ddc_pin));
1630 }
1631
1632 static enum drm_connector_status
1633 intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
1634 {
1635         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1636         enum drm_connector_status status;
1637         struct edid *edid;
1638
1639         edid = intel_sdvo_get_edid(connector);
1640
1641         if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1642                 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1643
1644                 /*
1645                  * Don't use the 1 as the argument of DDC bus switch to get
1646                  * the EDID. It is used for SDVO SPD ROM.
1647                  */
1648                 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1649                         intel_sdvo->ddc_bus = ddc;
1650                         edid = intel_sdvo_get_edid(connector);
1651                         if (edid)
1652                                 break;
1653                 }
1654                 /*
1655                  * If we found the EDID on the other bus,
1656                  * assume that is the correct DDC bus.
1657                  */
1658                 if (edid == NULL)
1659                         intel_sdvo->ddc_bus = saved_ddc;
1660         }
1661
1662         /*
1663          * When there is no edid and no monitor is connected with VGA
1664          * port, try to use the CRT ddc to read the EDID for DVI-connector.
1665          */
1666         if (edid == NULL)
1667                 edid = intel_sdvo_get_analog_edid(connector);
1668
1669         status = connector_status_unknown;
1670         if (edid != NULL) {
1671                 /* DDC bus is shared, match EDID to connector type */
1672                 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1673                         status = connector_status_connected;
1674                         if (intel_sdvo->is_hdmi) {
1675                                 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1676                                 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1677                                 intel_sdvo->rgb_quant_range_selectable =
1678                                         drm_rgb_quant_range_selectable(edid);
1679                         }
1680                 } else
1681                         status = connector_status_disconnected;
1682                 kfree(edid);
1683         }
1684
1685         if (status == connector_status_connected) {
1686                 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1687                 if (intel_sdvo_connector->force_audio != HDMI_AUDIO_AUTO)
1688                         intel_sdvo->has_hdmi_audio = (intel_sdvo_connector->force_audio == HDMI_AUDIO_ON);
1689         }
1690
1691         return status;
1692 }
1693
1694 static bool
1695 intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
1696                                   struct edid *edid)
1697 {
1698         bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1699         bool connector_is_digital = !!IS_DIGITAL(sdvo);
1700
1701         DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
1702                       connector_is_digital, monitor_is_digital);
1703         return connector_is_digital == monitor_is_digital;
1704 }
1705
1706 static enum drm_connector_status
1707 intel_sdvo_detect(struct drm_connector *connector, bool force)
1708 {
1709         uint16_t response;
1710         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1711         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1712         enum drm_connector_status ret;
1713
1714         DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1715                       connector->base.id, drm_get_connector_name(connector));
1716
1717         if (!intel_sdvo_get_value(intel_sdvo,
1718                                   SDVO_CMD_GET_ATTACHED_DISPLAYS,
1719                                   &response, 2))
1720                 return connector_status_unknown;
1721
1722         DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1723                       response & 0xff, response >> 8,
1724                       intel_sdvo_connector->output_flag);
1725
1726         if (response == 0)
1727                 return connector_status_disconnected;
1728
1729         intel_sdvo->attached_output = response;
1730
1731         intel_sdvo->has_hdmi_monitor = false;
1732         intel_sdvo->has_hdmi_audio = false;
1733         intel_sdvo->rgb_quant_range_selectable = false;
1734
1735         if ((intel_sdvo_connector->output_flag & response) == 0)
1736                 ret = connector_status_disconnected;
1737         else if (IS_TMDS(intel_sdvo_connector))
1738                 ret = intel_sdvo_tmds_sink_detect(connector);
1739         else {
1740                 struct edid *edid;
1741
1742                 /* if we have an edid check it matches the connection */
1743                 edid = intel_sdvo_get_edid(connector);
1744                 if (edid == NULL)
1745                         edid = intel_sdvo_get_analog_edid(connector);
1746                 if (edid != NULL) {
1747                         if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
1748                                                               edid))
1749                                 ret = connector_status_connected;
1750                         else
1751                                 ret = connector_status_disconnected;
1752
1753                         kfree(edid);
1754                 } else
1755                         ret = connector_status_connected;
1756         }
1757
1758         /* May update encoder flag for like clock for SDVO TV, etc.*/
1759         if (ret == connector_status_connected) {
1760                 intel_sdvo->is_tv = false;
1761                 intel_sdvo->is_lvds = false;
1762
1763                 if (response & SDVO_TV_MASK)
1764                         intel_sdvo->is_tv = true;
1765                 if (response & SDVO_LVDS_MASK)
1766                         intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1767         }
1768
1769         return ret;
1770 }
1771
1772 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1773 {
1774         struct edid *edid;
1775
1776         DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1777                       connector->base.id, drm_get_connector_name(connector));
1778
1779         /* set the bus switch and get the modes */
1780         edid = intel_sdvo_get_edid(connector);
1781
1782         /*
1783          * Mac mini hack.  On this device, the DVI-I connector shares one DDC
1784          * link between analog and digital outputs. So, if the regular SDVO
1785          * DDC fails, check to see if the analog output is disconnected, in
1786          * which case we'll look there for the digital DDC data.
1787          */
1788         if (edid == NULL)
1789                 edid = intel_sdvo_get_analog_edid(connector);
1790
1791         if (edid != NULL) {
1792                 if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
1793                                                       edid)) {
1794                         drm_mode_connector_update_edid_property(connector, edid);
1795                         drm_add_edid_modes(connector, edid);
1796                 }
1797
1798                 kfree(edid);
1799         }
1800 }
1801
1802 /*
1803  * Set of SDVO TV modes.
1804  * Note!  This is in reply order (see loop in get_tv_modes).
1805  * XXX: all 60Hz refresh?
1806  */
1807 static const struct drm_display_mode sdvo_tv_modes[] = {
1808         { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1809                    416, 0, 200, 201, 232, 233, 0,
1810                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1811         { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1812                    416, 0, 240, 241, 272, 273, 0,
1813                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1814         { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1815                    496, 0, 300, 301, 332, 333, 0,
1816                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1817         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1818                    736, 0, 350, 351, 382, 383, 0,
1819                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1820         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1821                    736, 0, 400, 401, 432, 433, 0,
1822                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1823         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1824                    736, 0, 480, 481, 512, 513, 0,
1825                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1826         { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1827                    800, 0, 480, 481, 512, 513, 0,
1828                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1829         { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1830                    800, 0, 576, 577, 608, 609, 0,
1831                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1832         { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1833                    816, 0, 350, 351, 382, 383, 0,
1834                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1835         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1836                    816, 0, 400, 401, 432, 433, 0,
1837                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1838         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1839                    816, 0, 480, 481, 512, 513, 0,
1840                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1841         { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1842                    816, 0, 540, 541, 572, 573, 0,
1843                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1844         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1845                    816, 0, 576, 577, 608, 609, 0,
1846                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1847         { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1848                    864, 0, 576, 577, 608, 609, 0,
1849                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1850         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1851                    896, 0, 600, 601, 632, 633, 0,
1852                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1853         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1854                    928, 0, 624, 625, 656, 657, 0,
1855                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1856         { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1857                    1016, 0, 766, 767, 798, 799, 0,
1858                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1859         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1860                    1120, 0, 768, 769, 800, 801, 0,
1861                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1862         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1863                    1376, 0, 1024, 1025, 1056, 1057, 0,
1864                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1865 };
1866
1867 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1868 {
1869         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1870         struct intel_sdvo_sdtv_resolution_request tv_res;
1871         uint32_t reply = 0, format_map = 0;
1872         int i;
1873
1874         DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1875                       connector->base.id, drm_get_connector_name(connector));
1876
1877         /* Read the list of supported input resolutions for the selected TV
1878          * format.
1879          */
1880         format_map = 1 << intel_sdvo->tv_format_index;
1881         memcpy(&tv_res, &format_map,
1882                min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1883
1884         if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1885                 return;
1886
1887         BUILD_BUG_ON(sizeof(tv_res) != 3);
1888         if (!intel_sdvo_write_cmd(intel_sdvo,
1889                                   SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1890                                   &tv_res, sizeof(tv_res)))
1891                 return;
1892         if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1893                 return;
1894
1895         for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1896                 if (reply & (1 << i)) {
1897                         struct drm_display_mode *nmode;
1898                         nmode = drm_mode_duplicate(connector->dev,
1899                                                    &sdvo_tv_modes[i]);
1900                         if (nmode)
1901                                 drm_mode_probed_add(connector, nmode);
1902                 }
1903 }
1904
1905 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1906 {
1907         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1908         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1909         struct drm_display_mode *newmode;
1910
1911         DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1912                       connector->base.id, drm_get_connector_name(connector));
1913
1914         /*
1915          * Fetch modes from VBT. For SDVO prefer the VBT mode since some
1916          * SDVO->LVDS transcoders can't cope with the EDID mode.
1917          */
1918         if (dev_priv->vbt.sdvo_lvds_vbt_mode != NULL) {
1919                 newmode = drm_mode_duplicate(connector->dev,
1920                                              dev_priv->vbt.sdvo_lvds_vbt_mode);
1921                 if (newmode != NULL) {
1922                         /* Guarantee the mode is preferred */
1923                         newmode->type = (DRM_MODE_TYPE_PREFERRED |
1924                                          DRM_MODE_TYPE_DRIVER);
1925                         drm_mode_probed_add(connector, newmode);
1926                 }
1927         }
1928
1929         /*
1930          * Attempt to get the mode list from DDC.
1931          * Assume that the preferred modes are
1932          * arranged in priority order.
1933          */
1934         intel_ddc_get_modes(connector, &intel_sdvo->ddc);
1935
1936         list_for_each_entry(newmode, &connector->probed_modes, head) {
1937                 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1938                         intel_sdvo->sdvo_lvds_fixed_mode =
1939                                 drm_mode_duplicate(connector->dev, newmode);
1940
1941                         intel_sdvo->is_lvds = true;
1942                         break;
1943                 }
1944         }
1945 }
1946
1947 static int intel_sdvo_get_modes(struct drm_connector *connector)
1948 {
1949         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1950
1951         if (IS_TV(intel_sdvo_connector))
1952                 intel_sdvo_get_tv_modes(connector);
1953         else if (IS_LVDS(intel_sdvo_connector))
1954                 intel_sdvo_get_lvds_modes(connector);
1955         else
1956                 intel_sdvo_get_ddc_modes(connector);
1957
1958         return !list_empty(&connector->probed_modes);
1959 }
1960
1961 static void
1962 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1963 {
1964         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1965         struct drm_device *dev = connector->dev;
1966
1967         if (intel_sdvo_connector->left)
1968                 drm_property_destroy(dev, intel_sdvo_connector->left);
1969         if (intel_sdvo_connector->right)
1970                 drm_property_destroy(dev, intel_sdvo_connector->right);
1971         if (intel_sdvo_connector->top)
1972                 drm_property_destroy(dev, intel_sdvo_connector->top);
1973         if (intel_sdvo_connector->bottom)
1974                 drm_property_destroy(dev, intel_sdvo_connector->bottom);
1975         if (intel_sdvo_connector->hpos)
1976                 drm_property_destroy(dev, intel_sdvo_connector->hpos);
1977         if (intel_sdvo_connector->vpos)
1978                 drm_property_destroy(dev, intel_sdvo_connector->vpos);
1979         if (intel_sdvo_connector->saturation)
1980                 drm_property_destroy(dev, intel_sdvo_connector->saturation);
1981         if (intel_sdvo_connector->contrast)
1982                 drm_property_destroy(dev, intel_sdvo_connector->contrast);
1983         if (intel_sdvo_connector->hue)
1984                 drm_property_destroy(dev, intel_sdvo_connector->hue);
1985         if (intel_sdvo_connector->sharpness)
1986                 drm_property_destroy(dev, intel_sdvo_connector->sharpness);
1987         if (intel_sdvo_connector->flicker_filter)
1988                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
1989         if (intel_sdvo_connector->flicker_filter_2d)
1990                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
1991         if (intel_sdvo_connector->flicker_filter_adaptive)
1992                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
1993         if (intel_sdvo_connector->tv_luma_filter)
1994                 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
1995         if (intel_sdvo_connector->tv_chroma_filter)
1996                 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
1997         if (intel_sdvo_connector->dot_crawl)
1998                 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
1999         if (intel_sdvo_connector->brightness)
2000                 drm_property_destroy(dev, intel_sdvo_connector->brightness);
2001 }
2002
2003 static void intel_sdvo_destroy(struct drm_connector *connector)
2004 {
2005         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
2006
2007         if (intel_sdvo_connector->tv_format)
2008                 drm_property_destroy(connector->dev,
2009                                      intel_sdvo_connector->tv_format);
2010
2011         intel_sdvo_destroy_enhance_property(connector);
2012         drm_connector_cleanup(connector);
2013         kfree(intel_sdvo_connector);
2014 }
2015
2016 static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
2017 {
2018         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
2019         struct edid *edid;
2020         bool has_audio = false;
2021
2022         if (!intel_sdvo->is_hdmi)
2023                 return false;
2024
2025         edid = intel_sdvo_get_edid(connector);
2026         if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
2027                 has_audio = drm_detect_monitor_audio(edid);
2028         kfree(edid);
2029
2030         return has_audio;
2031 }
2032
2033 static int
2034 intel_sdvo_set_property(struct drm_connector *connector,
2035                         struct drm_property *property,
2036                         uint64_t val)
2037 {
2038         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
2039         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
2040         struct drm_i915_private *dev_priv = connector->dev->dev_private;
2041         uint16_t temp_value;
2042         uint8_t cmd;
2043         int ret;
2044
2045         ret = drm_object_property_set_value(&connector->base, property, val);
2046         if (ret)
2047                 return ret;
2048
2049         if (property == dev_priv->force_audio_property) {
2050                 int i = val;
2051                 bool has_audio;
2052
2053                 if (i == intel_sdvo_connector->force_audio)
2054                         return 0;
2055
2056                 intel_sdvo_connector->force_audio = i;
2057
2058                 if (i == HDMI_AUDIO_AUTO)
2059                         has_audio = intel_sdvo_detect_hdmi_audio(connector);
2060                 else
2061                         has_audio = (i == HDMI_AUDIO_ON);
2062
2063                 if (has_audio == intel_sdvo->has_hdmi_audio)
2064                         return 0;
2065
2066                 intel_sdvo->has_hdmi_audio = has_audio;
2067                 goto done;
2068         }
2069
2070         if (property == dev_priv->broadcast_rgb_property) {
2071                 bool old_auto = intel_sdvo->color_range_auto;
2072                 uint32_t old_range = intel_sdvo->color_range;
2073
2074                 switch (val) {
2075                 case INTEL_BROADCAST_RGB_AUTO:
2076                         intel_sdvo->color_range_auto = true;
2077                         break;
2078                 case INTEL_BROADCAST_RGB_FULL:
2079                         intel_sdvo->color_range_auto = false;
2080                         intel_sdvo->color_range = 0;
2081                         break;
2082                 case INTEL_BROADCAST_RGB_LIMITED:
2083                         intel_sdvo->color_range_auto = false;
2084                         /* FIXME: this bit is only valid when using TMDS
2085                          * encoding and 8 bit per color mode. */
2086                         intel_sdvo->color_range = HDMI_COLOR_RANGE_16_235;
2087                         break;
2088                 default:
2089                         return -EINVAL;
2090                 }
2091
2092                 if (old_auto == intel_sdvo->color_range_auto &&
2093                     old_range == intel_sdvo->color_range)
2094                         return 0;
2095
2096                 goto done;
2097         }
2098
2099 #define CHECK_PROPERTY(name, NAME) \
2100         if (intel_sdvo_connector->name == property) { \
2101                 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
2102                 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
2103                 cmd = SDVO_CMD_SET_##NAME; \
2104                 intel_sdvo_connector->cur_##name = temp_value; \
2105                 goto set_value; \
2106         }
2107
2108         if (property == intel_sdvo_connector->tv_format) {
2109                 if (val >= TV_FORMAT_NUM)
2110                         return -EINVAL;
2111
2112                 if (intel_sdvo->tv_format_index ==
2113                     intel_sdvo_connector->tv_format_supported[val])
2114                         return 0;
2115
2116                 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
2117                 goto done;
2118         } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
2119                 temp_value = val;
2120                 if (intel_sdvo_connector->left == property) {
2121                         drm_object_property_set_value(&connector->base,
2122                                                          intel_sdvo_connector->right, val);
2123                         if (intel_sdvo_connector->left_margin == temp_value)
2124                                 return 0;
2125
2126                         intel_sdvo_connector->left_margin = temp_value;
2127                         intel_sdvo_connector->right_margin = temp_value;
2128                         temp_value = intel_sdvo_connector->max_hscan -
2129                                 intel_sdvo_connector->left_margin;
2130                         cmd = SDVO_CMD_SET_OVERSCAN_H;
2131                         goto set_value;
2132                 } else if (intel_sdvo_connector->right == property) {
2133                         drm_object_property_set_value(&connector->base,
2134                                                          intel_sdvo_connector->left, val);
2135                         if (intel_sdvo_connector->right_margin == temp_value)
2136                                 return 0;
2137
2138                         intel_sdvo_connector->left_margin = temp_value;
2139                         intel_sdvo_connector->right_margin = temp_value;
2140                         temp_value = intel_sdvo_connector->max_hscan -
2141                                 intel_sdvo_connector->left_margin;
2142                         cmd = SDVO_CMD_SET_OVERSCAN_H;
2143                         goto set_value;
2144                 } else if (intel_sdvo_connector->top == property) {
2145                         drm_object_property_set_value(&connector->base,
2146                                                          intel_sdvo_connector->bottom, val);
2147                         if (intel_sdvo_connector->top_margin == temp_value)
2148                                 return 0;
2149
2150                         intel_sdvo_connector->top_margin = temp_value;
2151                         intel_sdvo_connector->bottom_margin = temp_value;
2152                         temp_value = intel_sdvo_connector->max_vscan -
2153                                 intel_sdvo_connector->top_margin;
2154                         cmd = SDVO_CMD_SET_OVERSCAN_V;
2155                         goto set_value;
2156                 } else if (intel_sdvo_connector->bottom == property) {
2157                         drm_object_property_set_value(&connector->base,
2158                                                          intel_sdvo_connector->top, val);
2159                         if (intel_sdvo_connector->bottom_margin == temp_value)
2160                                 return 0;
2161
2162                         intel_sdvo_connector->top_margin = temp_value;
2163                         intel_sdvo_connector->bottom_margin = temp_value;
2164                         temp_value = intel_sdvo_connector->max_vscan -
2165                                 intel_sdvo_connector->top_margin;
2166                         cmd = SDVO_CMD_SET_OVERSCAN_V;
2167                         goto set_value;
2168                 }
2169                 CHECK_PROPERTY(hpos, HPOS)
2170                 CHECK_PROPERTY(vpos, VPOS)
2171                 CHECK_PROPERTY(saturation, SATURATION)
2172                 CHECK_PROPERTY(contrast, CONTRAST)
2173                 CHECK_PROPERTY(hue, HUE)
2174                 CHECK_PROPERTY(brightness, BRIGHTNESS)
2175                 CHECK_PROPERTY(sharpness, SHARPNESS)
2176                 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
2177                 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
2178                 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
2179                 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
2180                 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
2181                 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
2182         }
2183
2184         return -EINVAL; /* unknown property */
2185
2186 set_value:
2187         if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
2188                 return -EIO;
2189
2190
2191 done:
2192         if (intel_sdvo->base.base.crtc)
2193                 intel_crtc_restore_mode(intel_sdvo->base.base.crtc);
2194
2195         return 0;
2196 #undef CHECK_PROPERTY
2197 }
2198
2199 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
2200         .dpms = intel_sdvo_dpms,
2201         .detect = intel_sdvo_detect,
2202         .fill_modes = drm_helper_probe_single_connector_modes,
2203         .set_property = intel_sdvo_set_property,
2204         .destroy = intel_sdvo_destroy,
2205 };
2206
2207 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
2208         .get_modes = intel_sdvo_get_modes,
2209         .mode_valid = intel_sdvo_mode_valid,
2210         .best_encoder = intel_best_encoder,
2211 };
2212
2213 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
2214 {
2215         struct intel_sdvo *intel_sdvo = to_sdvo(to_intel_encoder(encoder));
2216
2217         if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
2218                 drm_mode_destroy(encoder->dev,
2219                                  intel_sdvo->sdvo_lvds_fixed_mode);
2220
2221         i2c_del_adapter(&intel_sdvo->ddc);
2222         intel_encoder_destroy(encoder);
2223 }
2224
2225 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
2226         .destroy = intel_sdvo_enc_destroy,
2227 };
2228
2229 static void
2230 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
2231 {
2232         uint16_t mask = 0;
2233         unsigned int num_bits;
2234
2235         /* Make a mask of outputs less than or equal to our own priority in the
2236          * list.
2237          */
2238         switch (sdvo->controlled_output) {
2239         case SDVO_OUTPUT_LVDS1:
2240                 mask |= SDVO_OUTPUT_LVDS1;
2241         case SDVO_OUTPUT_LVDS0:
2242                 mask |= SDVO_OUTPUT_LVDS0;
2243         case SDVO_OUTPUT_TMDS1:
2244                 mask |= SDVO_OUTPUT_TMDS1;
2245         case SDVO_OUTPUT_TMDS0:
2246                 mask |= SDVO_OUTPUT_TMDS0;
2247         case SDVO_OUTPUT_RGB1:
2248                 mask |= SDVO_OUTPUT_RGB1;
2249         case SDVO_OUTPUT_RGB0:
2250                 mask |= SDVO_OUTPUT_RGB0;
2251                 break;
2252         }
2253
2254         /* Count bits to find what number we are in the priority list. */
2255         mask &= sdvo->caps.output_flags;
2256         num_bits = hweight16(mask);
2257         /* If more than 3 outputs, default to DDC bus 3 for now. */
2258         if (num_bits > 3)
2259                 num_bits = 3;
2260
2261         /* Corresponds to SDVO_CONTROL_BUS_DDCx */
2262         sdvo->ddc_bus = 1 << num_bits;
2263 }
2264
2265 /**
2266  * Choose the appropriate DDC bus for control bus switch command for this
2267  * SDVO output based on the controlled output.
2268  *
2269  * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
2270  * outputs, then LVDS outputs.
2271  */
2272 static void
2273 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
2274                           struct intel_sdvo *sdvo, u32 reg)
2275 {
2276         struct sdvo_device_mapping *mapping;
2277
2278         if (sdvo->is_sdvob)
2279                 mapping = &(dev_priv->sdvo_mappings[0]);
2280         else
2281                 mapping = &(dev_priv->sdvo_mappings[1]);
2282
2283         if (mapping->initialized)
2284                 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
2285         else
2286                 intel_sdvo_guess_ddc_bus(sdvo);
2287 }
2288
2289 static void
2290 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
2291                           struct intel_sdvo *sdvo, u32 reg)
2292 {
2293         struct sdvo_device_mapping *mapping;
2294         u8 pin;
2295
2296         if (sdvo->is_sdvob)
2297                 mapping = &dev_priv->sdvo_mappings[0];
2298         else
2299                 mapping = &dev_priv->sdvo_mappings[1];
2300
2301         if (mapping->initialized && intel_gmbus_is_port_valid(mapping->i2c_pin))
2302                 pin = mapping->i2c_pin;
2303         else
2304                 pin = GMBUS_PORT_DPB;
2305
2306         sdvo->i2c = intel_gmbus_get_adapter(dev_priv, pin);
2307
2308         /* With gmbus we should be able to drive sdvo i2c at 2MHz, but somehow
2309          * our code totally fails once we start using gmbus. Hence fall back to
2310          * bit banging for now. */
2311         intel_gmbus_force_bit(sdvo->i2c, true);
2312 }
2313
2314 /* undo any changes intel_sdvo_select_i2c_bus() did to sdvo->i2c */
2315 static void
2316 intel_sdvo_unselect_i2c_bus(struct intel_sdvo *sdvo)
2317 {
2318         intel_gmbus_force_bit(sdvo->i2c, false);
2319 }
2320
2321 static bool
2322 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
2323 {
2324         return intel_sdvo_check_supp_encode(intel_sdvo);
2325 }
2326
2327 static u8
2328 intel_sdvo_get_slave_addr(struct drm_device *dev, struct intel_sdvo *sdvo)
2329 {
2330         struct drm_i915_private *dev_priv = dev->dev_private;
2331         struct sdvo_device_mapping *my_mapping, *other_mapping;
2332
2333         if (sdvo->is_sdvob) {
2334                 my_mapping = &dev_priv->sdvo_mappings[0];
2335                 other_mapping = &dev_priv->sdvo_mappings[1];
2336         } else {
2337                 my_mapping = &dev_priv->sdvo_mappings[1];
2338                 other_mapping = &dev_priv->sdvo_mappings[0];
2339         }
2340
2341         /* If the BIOS described our SDVO device, take advantage of it. */
2342         if (my_mapping->slave_addr)
2343                 return my_mapping->slave_addr;
2344
2345         /* If the BIOS only described a different SDVO device, use the
2346          * address that it isn't using.
2347          */
2348         if (other_mapping->slave_addr) {
2349                 if (other_mapping->slave_addr == 0x70)
2350                         return 0x72;
2351                 else
2352                         return 0x70;
2353         }
2354
2355         /* No SDVO device info is found for another DVO port,
2356          * so use mapping assumption we had before BIOS parsing.
2357          */
2358         if (sdvo->is_sdvob)
2359                 return 0x70;
2360         else
2361                 return 0x72;
2362 }
2363
2364 static void
2365 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2366                           struct intel_sdvo *encoder)
2367 {
2368         drm_connector_init(encoder->base.base.dev,
2369                            &connector->base.base,
2370                            &intel_sdvo_connector_funcs,
2371                            connector->base.base.connector_type);
2372
2373         drm_connector_helper_add(&connector->base.base,
2374                                  &intel_sdvo_connector_helper_funcs);
2375
2376         connector->base.base.interlace_allowed = 1;
2377         connector->base.base.doublescan_allowed = 0;
2378         connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2379         connector->base.get_hw_state = intel_sdvo_connector_get_hw_state;
2380
2381         intel_connector_attach_encoder(&connector->base, &encoder->base);
2382         drm_sysfs_connector_add(&connector->base.base);
2383 }
2384
2385 static void
2386 intel_sdvo_add_hdmi_properties(struct intel_sdvo *intel_sdvo,
2387                                struct intel_sdvo_connector *connector)
2388 {
2389         struct drm_device *dev = connector->base.base.dev;
2390
2391         intel_attach_force_audio_property(&connector->base.base);
2392         if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev)) {
2393                 intel_attach_broadcast_rgb_property(&connector->base.base);
2394                 intel_sdvo->color_range_auto = true;
2395         }
2396 }
2397
2398 static bool
2399 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2400 {
2401         struct drm_encoder *encoder = &intel_sdvo->base.base;
2402         struct drm_connector *connector;
2403         struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
2404         struct intel_connector *intel_connector;
2405         struct intel_sdvo_connector *intel_sdvo_connector;
2406
2407         DRM_DEBUG_KMS("initialising DVI device %d\n", device);
2408
2409         intel_sdvo_connector = kzalloc(sizeof(*intel_sdvo_connector), GFP_KERNEL);
2410         if (!intel_sdvo_connector)
2411                 return false;
2412
2413         if (device == 0) {
2414                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2415                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2416         } else if (device == 1) {
2417                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2418                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2419         }
2420
2421         intel_connector = &intel_sdvo_connector->base;
2422         connector = &intel_connector->base;
2423         if (intel_sdvo_get_hotplug_support(intel_sdvo) &
2424                 intel_sdvo_connector->output_flag) {
2425                 intel_sdvo->hotplug_active |= intel_sdvo_connector->output_flag;
2426                 /* Some SDVO devices have one-shot hotplug interrupts.
2427                  * Ensure that they get re-enabled when an interrupt happens.
2428                  */
2429                 intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
2430                 intel_sdvo_enable_hotplug(intel_encoder);
2431         } else {
2432                 intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2433         }
2434         encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2435         connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2436
2437         if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2438                 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2439                 intel_sdvo->is_hdmi = true;
2440         }
2441
2442         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2443         if (intel_sdvo->is_hdmi)
2444                 intel_sdvo_add_hdmi_properties(intel_sdvo, intel_sdvo_connector);
2445
2446         return true;
2447 }
2448
2449 static bool
2450 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2451 {
2452         struct drm_encoder *encoder = &intel_sdvo->base.base;
2453         struct drm_connector *connector;
2454         struct intel_connector *intel_connector;
2455         struct intel_sdvo_connector *intel_sdvo_connector;
2456
2457         DRM_DEBUG_KMS("initialising TV type %d\n", type);
2458
2459         intel_sdvo_connector = kzalloc(sizeof(*intel_sdvo_connector), GFP_KERNEL);
2460         if (!intel_sdvo_connector)
2461                 return false;
2462
2463         intel_connector = &intel_sdvo_connector->base;
2464         connector = &intel_connector->base;
2465         encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2466         connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2467
2468         intel_sdvo->controlled_output |= type;
2469         intel_sdvo_connector->output_flag = type;
2470
2471         intel_sdvo->is_tv = true;
2472
2473         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2474
2475         if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2476                 goto err;
2477
2478         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2479                 goto err;
2480
2481         return true;
2482
2483 err:
2484         drm_sysfs_connector_remove(connector);
2485         intel_sdvo_destroy(connector);
2486         return false;
2487 }
2488
2489 static bool
2490 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2491 {
2492         struct drm_encoder *encoder = &intel_sdvo->base.base;
2493         struct drm_connector *connector;
2494         struct intel_connector *intel_connector;
2495         struct intel_sdvo_connector *intel_sdvo_connector;
2496
2497         DRM_DEBUG_KMS("initialising analog device %d\n", device);
2498
2499         intel_sdvo_connector = kzalloc(sizeof(*intel_sdvo_connector), GFP_KERNEL);
2500         if (!intel_sdvo_connector)
2501                 return false;
2502
2503         intel_connector = &intel_sdvo_connector->base;
2504         connector = &intel_connector->base;
2505         intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2506         encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2507         connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2508
2509         if (device == 0) {
2510                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2511                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2512         } else if (device == 1) {
2513                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2514                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2515         }
2516
2517         intel_sdvo_connector_init(intel_sdvo_connector,
2518                                   intel_sdvo);
2519         return true;
2520 }
2521
2522 static bool
2523 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2524 {
2525         struct drm_encoder *encoder = &intel_sdvo->base.base;
2526         struct drm_connector *connector;
2527         struct intel_connector *intel_connector;
2528         struct intel_sdvo_connector *intel_sdvo_connector;
2529
2530         DRM_DEBUG_KMS("initialising LVDS device %d\n", device);
2531
2532         intel_sdvo_connector = kzalloc(sizeof(*intel_sdvo_connector), GFP_KERNEL);
2533         if (!intel_sdvo_connector)
2534                 return false;
2535
2536         intel_connector = &intel_sdvo_connector->base;
2537         connector = &intel_connector->base;
2538         encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2539         connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2540
2541         if (device == 0) {
2542                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2543                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2544         } else if (device == 1) {
2545                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2546                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2547         }
2548
2549         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2550         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2551                 goto err;
2552
2553         return true;
2554
2555 err:
2556         drm_sysfs_connector_remove(connector);
2557         intel_sdvo_destroy(connector);
2558         return false;
2559 }
2560
2561 static bool
2562 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2563 {
2564         intel_sdvo->is_tv = false;
2565         intel_sdvo->is_lvds = false;
2566
2567         /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2568
2569         if (flags & SDVO_OUTPUT_TMDS0)
2570                 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2571                         return false;
2572
2573         if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2574                 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2575                         return false;
2576
2577         /* TV has no XXX1 function block */
2578         if (flags & SDVO_OUTPUT_SVID0)
2579                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2580                         return false;
2581
2582         if (flags & SDVO_OUTPUT_CVBS0)
2583                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2584                         return false;
2585
2586         if (flags & SDVO_OUTPUT_YPRPB0)
2587                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_YPRPB0))
2588                         return false;
2589
2590         if (flags & SDVO_OUTPUT_RGB0)
2591                 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2592                         return false;
2593
2594         if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2595                 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2596                         return false;
2597
2598         if (flags & SDVO_OUTPUT_LVDS0)
2599                 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2600                         return false;
2601
2602         if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2603                 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2604                         return false;
2605
2606         if ((flags & SDVO_OUTPUT_MASK) == 0) {
2607                 unsigned char bytes[2];
2608
2609                 intel_sdvo->controlled_output = 0;
2610                 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2611                 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2612                               SDVO_NAME(intel_sdvo),
2613                               bytes[0], bytes[1]);
2614                 return false;
2615         }
2616         intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
2617
2618         return true;
2619 }
2620
2621 static void intel_sdvo_output_cleanup(struct intel_sdvo *intel_sdvo)
2622 {
2623         struct drm_device *dev = intel_sdvo->base.base.dev;
2624         struct drm_connector *connector, *tmp;
2625
2626         list_for_each_entry_safe(connector, tmp,
2627                                  &dev->mode_config.connector_list, head) {
2628                 if (intel_attached_encoder(connector) == &intel_sdvo->base) {
2629                         drm_sysfs_connector_remove(connector);
2630                         intel_sdvo_destroy(connector);
2631                 }
2632         }
2633 }
2634
2635 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2636                                           struct intel_sdvo_connector *intel_sdvo_connector,
2637                                           int type)
2638 {
2639         struct drm_device *dev = intel_sdvo->base.base.dev;
2640         struct intel_sdvo_tv_format format;
2641         uint32_t format_map, i;
2642
2643         if (!intel_sdvo_set_target_output(intel_sdvo, type))
2644                 return false;
2645
2646         BUILD_BUG_ON(sizeof(format) != 6);
2647         if (!intel_sdvo_get_value(intel_sdvo,
2648                                   SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2649                                   &format, sizeof(format)))
2650                 return false;
2651
2652         memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2653
2654         if (format_map == 0)
2655                 return false;
2656
2657         intel_sdvo_connector->format_supported_num = 0;
2658         for (i = 0 ; i < TV_FORMAT_NUM; i++)
2659                 if (format_map & (1 << i))
2660                         intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2661
2662
2663         intel_sdvo_connector->tv_format =
2664                         drm_property_create(dev, DRM_MODE_PROP_ENUM,
2665                                             "mode", intel_sdvo_connector->format_supported_num);
2666         if (!intel_sdvo_connector->tv_format)
2667                 return false;
2668
2669         for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2670                 drm_property_add_enum(
2671                                 intel_sdvo_connector->tv_format, i,
2672                                 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2673
2674         intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2675         drm_object_attach_property(&intel_sdvo_connector->base.base.base,
2676                                       intel_sdvo_connector->tv_format, 0);
2677         return true;
2678
2679 }
2680
2681 #define ENHANCEMENT(name, NAME) do { \
2682         if (enhancements.name) { \
2683                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2684                     !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2685                         return false; \
2686                 intel_sdvo_connector->max_##name = data_value[0]; \
2687                 intel_sdvo_connector->cur_##name = response; \
2688                 intel_sdvo_connector->name = \
2689                         drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2690                 if (!intel_sdvo_connector->name) return false; \
2691                 drm_object_attach_property(&connector->base, \
2692                                               intel_sdvo_connector->name, \
2693                                               intel_sdvo_connector->cur_##name); \
2694                 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2695                               data_value[0], data_value[1], response); \
2696         } \
2697 } while (0)
2698
2699 static bool
2700 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2701                                       struct intel_sdvo_connector *intel_sdvo_connector,
2702                                       struct intel_sdvo_enhancements_reply enhancements)
2703 {
2704         struct drm_device *dev = intel_sdvo->base.base.dev;
2705         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2706         uint16_t response, data_value[2];
2707
2708         /* when horizontal overscan is supported, Add the left/right  property */
2709         if (enhancements.overscan_h) {
2710                 if (!intel_sdvo_get_value(intel_sdvo,
2711                                           SDVO_CMD_GET_MAX_OVERSCAN_H,
2712                                           &data_value, 4))
2713                         return false;
2714
2715                 if (!intel_sdvo_get_value(intel_sdvo,
2716                                           SDVO_CMD_GET_OVERSCAN_H,
2717                                           &response, 2))
2718                         return false;
2719
2720                 intel_sdvo_connector->max_hscan = data_value[0];
2721                 intel_sdvo_connector->left_margin = data_value[0] - response;
2722                 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2723                 intel_sdvo_connector->left =
2724                         drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
2725                 if (!intel_sdvo_connector->left)
2726                         return false;
2727
2728                 drm_object_attach_property(&connector->base,
2729                                               intel_sdvo_connector->left,
2730                                               intel_sdvo_connector->left_margin);
2731
2732                 intel_sdvo_connector->right =
2733                         drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
2734                 if (!intel_sdvo_connector->right)
2735                         return false;
2736
2737                 drm_object_attach_property(&connector->base,
2738                                               intel_sdvo_connector->right,
2739                                               intel_sdvo_connector->right_margin);
2740                 DRM_DEBUG_KMS("h_overscan: max %d, "
2741                               "default %d, current %d\n",
2742                               data_value[0], data_value[1], response);
2743         }
2744
2745         if (enhancements.overscan_v) {
2746                 if (!intel_sdvo_get_value(intel_sdvo,
2747                                           SDVO_CMD_GET_MAX_OVERSCAN_V,
2748                                           &data_value, 4))
2749                         return false;
2750
2751                 if (!intel_sdvo_get_value(intel_sdvo,
2752                                           SDVO_CMD_GET_OVERSCAN_V,
2753                                           &response, 2))
2754                         return false;
2755
2756                 intel_sdvo_connector->max_vscan = data_value[0];
2757                 intel_sdvo_connector->top_margin = data_value[0] - response;
2758                 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2759                 intel_sdvo_connector->top =
2760                         drm_property_create_range(dev, 0,
2761                                             "top_margin", 0, data_value[0]);
2762                 if (!intel_sdvo_connector->top)
2763                         return false;
2764
2765                 drm_object_attach_property(&connector->base,
2766                                               intel_sdvo_connector->top,
2767                                               intel_sdvo_connector->top_margin);
2768
2769                 intel_sdvo_connector->bottom =
2770                         drm_property_create_range(dev, 0,
2771                                             "bottom_margin", 0, data_value[0]);
2772                 if (!intel_sdvo_connector->bottom)
2773                         return false;
2774
2775                 drm_object_attach_property(&connector->base,
2776                                               intel_sdvo_connector->bottom,
2777                                               intel_sdvo_connector->bottom_margin);
2778                 DRM_DEBUG_KMS("v_overscan: max %d, "
2779                               "default %d, current %d\n",
2780                               data_value[0], data_value[1], response);
2781         }
2782
2783         ENHANCEMENT(hpos, HPOS);
2784         ENHANCEMENT(vpos, VPOS);
2785         ENHANCEMENT(saturation, SATURATION);
2786         ENHANCEMENT(contrast, CONTRAST);
2787         ENHANCEMENT(hue, HUE);
2788         ENHANCEMENT(sharpness, SHARPNESS);
2789         ENHANCEMENT(brightness, BRIGHTNESS);
2790         ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2791         ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2792         ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2793         ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2794         ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2795
2796         if (enhancements.dot_crawl) {
2797                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2798                         return false;
2799
2800                 intel_sdvo_connector->max_dot_crawl = 1;
2801                 intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2802                 intel_sdvo_connector->dot_crawl =
2803                         drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
2804                 if (!intel_sdvo_connector->dot_crawl)
2805                         return false;
2806
2807                 drm_object_attach_property(&connector->base,
2808                                               intel_sdvo_connector->dot_crawl,
2809                                               intel_sdvo_connector->cur_dot_crawl);
2810                 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2811         }
2812
2813         return true;
2814 }
2815
2816 static bool
2817 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2818                                         struct intel_sdvo_connector *intel_sdvo_connector,
2819                                         struct intel_sdvo_enhancements_reply enhancements)
2820 {
2821         struct drm_device *dev = intel_sdvo->base.base.dev;
2822         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2823         uint16_t response, data_value[2];
2824
2825         ENHANCEMENT(brightness, BRIGHTNESS);
2826
2827         return true;
2828 }
2829 #undef ENHANCEMENT
2830
2831 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2832                                                struct intel_sdvo_connector *intel_sdvo_connector)
2833 {
2834         union {
2835                 struct intel_sdvo_enhancements_reply reply;
2836                 uint16_t response;
2837         } enhancements;
2838
2839         BUILD_BUG_ON(sizeof(enhancements) != 2);
2840
2841         enhancements.response = 0;
2842         intel_sdvo_get_value(intel_sdvo,
2843                              SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2844                              &enhancements, sizeof(enhancements));
2845         if (enhancements.response == 0) {
2846                 DRM_DEBUG_KMS("No enhancement is supported\n");
2847                 return true;
2848         }
2849
2850         if (IS_TV(intel_sdvo_connector))
2851                 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2852         else if (IS_LVDS(intel_sdvo_connector))
2853                 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2854         else
2855                 return true;
2856 }
2857
2858 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2859                                      struct i2c_msg *msgs,
2860                                      int num)
2861 {
2862         struct intel_sdvo *sdvo = adapter->algo_data;
2863
2864         if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2865                 return -EIO;
2866
2867         return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2868 }
2869
2870 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2871 {
2872         struct intel_sdvo *sdvo = adapter->algo_data;
2873         return sdvo->i2c->algo->functionality(sdvo->i2c);
2874 }
2875
2876 static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
2877         .master_xfer    = intel_sdvo_ddc_proxy_xfer,
2878         .functionality  = intel_sdvo_ddc_proxy_func
2879 };
2880
2881 static bool
2882 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
2883                           struct drm_device *dev)
2884 {
2885         sdvo->ddc.owner = THIS_MODULE;
2886         sdvo->ddc.class = I2C_CLASS_DDC;
2887         snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2888         sdvo->ddc.dev.parent = &dev->pdev->dev;
2889         sdvo->ddc.algo_data = sdvo;
2890         sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
2891
2892         return i2c_add_adapter(&sdvo->ddc) == 0;
2893 }
2894
2895 bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
2896 {
2897         struct drm_i915_private *dev_priv = dev->dev_private;
2898         struct intel_encoder *intel_encoder;
2899         struct intel_sdvo *intel_sdvo;
2900         int i;
2901         intel_sdvo = kzalloc(sizeof(*intel_sdvo), GFP_KERNEL);
2902         if (!intel_sdvo)
2903                 return false;
2904
2905         intel_sdvo->sdvo_reg = sdvo_reg;
2906         intel_sdvo->is_sdvob = is_sdvob;
2907         intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, intel_sdvo) >> 1;
2908         intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
2909         if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev))
2910                 goto err_i2c_bus;
2911
2912         /* encoder type will be decided later */
2913         intel_encoder = &intel_sdvo->base;
2914         intel_encoder->type = INTEL_OUTPUT_SDVO;
2915         drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
2916
2917         /* Read the regs to test if we can talk to the device */
2918         for (i = 0; i < 0x40; i++) {
2919                 u8 byte;
2920
2921                 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
2922                         DRM_DEBUG_KMS("No SDVO device found on %s\n",
2923                                       SDVO_NAME(intel_sdvo));
2924                         goto err;
2925                 }
2926         }
2927
2928         intel_encoder->compute_config = intel_sdvo_compute_config;
2929         intel_encoder->disable = intel_disable_sdvo;
2930         intel_encoder->mode_set = intel_sdvo_mode_set;
2931         intel_encoder->enable = intel_enable_sdvo;
2932         intel_encoder->get_hw_state = intel_sdvo_get_hw_state;
2933         intel_encoder->get_config = intel_sdvo_get_config;
2934
2935         /* In default case sdvo lvds is false */
2936         if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
2937                 goto err;
2938
2939         if (intel_sdvo_output_setup(intel_sdvo,
2940                                     intel_sdvo->caps.output_flags) != true) {
2941                 DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
2942                               SDVO_NAME(intel_sdvo));
2943                 /* Output_setup can leave behind connectors! */
2944                 goto err_output;
2945         }
2946
2947         /* Only enable the hotplug irq if we need it, to work around noisy
2948          * hotplug lines.
2949          */
2950         if (intel_sdvo->hotplug_active) {
2951                 intel_encoder->hpd_pin =
2952                         intel_sdvo->is_sdvob ?  HPD_SDVO_B : HPD_SDVO_C;
2953         }
2954
2955         /*
2956          * Cloning SDVO with anything is often impossible, since the SDVO
2957          * encoder can request a special input timing mode. And even if that's
2958          * not the case we have evidence that cloning a plain unscaled mode with
2959          * VGA doesn't really work. Furthermore the cloning flags are way too
2960          * simplistic anyway to express such constraints, so just give up on
2961          * cloning for SDVO encoders.
2962          */
2963         intel_sdvo->base.cloneable = false;
2964
2965         intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
2966
2967         /* Set the input timing to the screen. Assume always input 0. */
2968         if (!intel_sdvo_set_target_input(intel_sdvo))
2969                 goto err_output;
2970
2971         if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
2972                                                     &intel_sdvo->pixel_clock_min,
2973                                                     &intel_sdvo->pixel_clock_max))
2974                 goto err_output;
2975
2976         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2977                         "clock range %dMHz - %dMHz, "
2978                         "input 1: %c, input 2: %c, "
2979                         "output 1: %c, output 2: %c\n",
2980                         SDVO_NAME(intel_sdvo),
2981                         intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
2982                         intel_sdvo->caps.device_rev_id,
2983                         intel_sdvo->pixel_clock_min / 1000,
2984                         intel_sdvo->pixel_clock_max / 1000,
2985                         (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2986                         (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2987                         /* check currently supported outputs */
2988                         intel_sdvo->caps.output_flags &
2989                         (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2990                         intel_sdvo->caps.output_flags &
2991                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2992         return true;
2993
2994 err_output:
2995         intel_sdvo_output_cleanup(intel_sdvo);
2996
2997 err:
2998         drm_encoder_cleanup(&intel_encoder->base);
2999         i2c_del_adapter(&intel_sdvo->ddc);
3000 err_i2c_bus:
3001         intel_sdvo_unselect_i2c_bus(intel_sdvo);
3002         kfree(intel_sdvo);
3003
3004         return false;
3005 }