drivers/gpu/drm/gma500/psb_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/module.h>
  29 #include <linux/i2c.h>
  30 #include <linux/slab.h>
  31 #include <linux/delay.h>
  32 #include <drm/drmP.h>
  33 #include <drm/drm_crtc.h>
  34 #include <drm/drm_edid.h>
  35 #include "psb_intel_drv.h"
  36 #include <drm/gma_drm.h>
  37 #include "psb_drv.h"
  38 #include "psb_intel_sdvo_regs.h"
  39 #include "psb_intel_reg.h"
  40
  41 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
  42 #define SDVO_RGB_MASK  (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
  43 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
  44 #define SDVO_TV_MASK   (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0)
  45
  46 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
  47                          SDVO_TV_MASK)
  48
  49 #define IS_TV(c)        (c->output_flag & SDVO_TV_MASK)
  50 #define IS_TMDS(c)      (c->output_flag & SDVO_TMDS_MASK)
  51 #define IS_LVDS(c)      (c->output_flag & SDVO_LVDS_MASK)
  52 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
  53
  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 psb_intel_sdvo {
  68         struct psb_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         int 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          * i830_sdvo_get_capabilities()
  84          */
  85         struct psb_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          * This is used to select the color range of RBG outputs in HDMI mode.
  98          * It is only valid when using TMDS encoding and 8 bit per color mode.
  99          */
 100         uint32_t color_range;
 101
 102         /**
 103          * This is set if we're going to treat the device as TV-out.
 104          *
 105          * While we have these nice friendly flags for output types that ought
 106          * to decide this for us, the S-Video output on our HDMI+S-Video card
 107          * shows up as RGB1 (VGA).
 108          */
 109         bool is_tv;
 110
 111         /* This is for current tv format name */
 112         int tv_format_index;
 113
 114         /**
 115          * This is set if we treat the device as HDMI, instead of DVI.
 116          */
 117         bool is_hdmi;
 118         bool has_hdmi_monitor;
 119         bool has_hdmi_audio;
 120
 121         /**
 122          * This is set if we detect output of sdvo device as LVDS and
 123          * have a valid fixed mode to use with the panel.
 124          */
 125         bool is_lvds;
 126
 127         /**
 128          * This is sdvo fixed pannel mode pointer
 129          */
 130         struct drm_display_mode *sdvo_lvds_fixed_mode;
 131
 132         /* DDC bus used by this SDVO encoder */
 133         uint8_t ddc_bus;
 134
 135         /* Input timings for adjusted_mode */
 136         struct psb_intel_sdvo_dtd input_dtd;
 137
 138         /* Saved SDVO output states */
 139         uint32_t saveSDVO; /* Can be SDVOB or SDVOC depending on sdvo_reg */
 140 };
 141
 142 struct psb_intel_sdvo_connector {
 143         struct psb_intel_connector base;
 144
 145         /* Mark the type of connector */
 146         uint16_t output_flag;
 147
 148         int force_audio;
 149
 150         /* This contains all current supported TV format */
 151         u8 tv_format_supported[TV_FORMAT_NUM];
 152         int   format_supported_num;
 153         struct drm_property *tv_format;
 154
 155         /* add the property for the SDVO-TV */
 156         struct drm_property *left;
 157         struct drm_property *right;
 158         struct drm_property *top;
 159         struct drm_property *bottom;
 160         struct drm_property *hpos;
 161         struct drm_property *vpos;
 162         struct drm_property *contrast;
 163         struct drm_property *saturation;
 164         struct drm_property *hue;
 165         struct drm_property *sharpness;
 166         struct drm_property *flicker_filter;
 167         struct drm_property *flicker_filter_adaptive;
 168         struct drm_property *flicker_filter_2d;
 169         struct drm_property *tv_chroma_filter;
 170         struct drm_property *tv_luma_filter;
 171         struct drm_property *dot_crawl;
 172
 173         /* add the property for the SDVO-TV/LVDS */
 174         struct drm_property *brightness;
 175
 176         /* Add variable to record current setting for the above property */
 177         u32     left_margin, right_margin, top_margin, bottom_margin;
 178
 179         /* this is to get the range of margin.*/
 180         u32     max_hscan,  max_vscan;
 181         u32     max_hpos, cur_hpos;
 182         u32     max_vpos, cur_vpos;
 183         u32     cur_brightness, max_brightness;
 184         u32     cur_contrast,   max_contrast;
 185         u32     cur_saturation, max_saturation;
 186         u32     cur_hue,        max_hue;
 187         u32     cur_sharpness,  max_sharpness;
 188         u32     cur_flicker_filter,             max_flicker_filter;
 189         u32     cur_flicker_filter_adaptive,    max_flicker_filter_adaptive;
 190         u32     cur_flicker_filter_2d,          max_flicker_filter_2d;
 191         u32     cur_tv_chroma_filter,   max_tv_chroma_filter;
 192         u32     cur_tv_luma_filter,     max_tv_luma_filter;
 193         u32     cur_dot_crawl,  max_dot_crawl;
 194 };
 195
 196 static struct psb_intel_sdvo *to_psb_intel_sdvo(struct drm_encoder *encoder)
 197 {
 198         return container_of(encoder, struct psb_intel_sdvo, base.base);
 199 }
 200
 201 static struct psb_intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
 202 {
 203         return container_of(psb_intel_attached_encoder(connector),
 204                             struct psb_intel_sdvo, base);
 205 }
 206
 207 static struct psb_intel_sdvo_connector *to_psb_intel_sdvo_connector(struct drm_connector *connector)
 208 {
 209         return container_of(to_psb_intel_connector(connector), struct psb_intel_sdvo_connector, base);
 210 }
 211
 212 static bool
 213 psb_intel_sdvo_output_setup(struct psb_intel_sdvo *psb_intel_sdvo, uint16_t flags);
 214 static bool
 215 psb_intel_sdvo_tv_create_property(struct psb_intel_sdvo *psb_intel_sdvo,
 216                               struct psb_intel_sdvo_connector *psb_intel_sdvo_connector,
 217                               int type);
 218 static bool
 219 psb_intel_sdvo_create_enhance_property(struct psb_intel_sdvo *psb_intel_sdvo,
 220                                    struct psb_intel_sdvo_connector *psb_intel_sdvo_connector);
 221
 222 /**
 223  * Writes the SDVOB or SDVOC with the given value, but always writes both
 224  * SDVOB and SDVOC to work around apparent hardware issues (according to
 225  * comments in the BIOS).
 226  */
 227 static void psb_intel_sdvo_write_sdvox(struct psb_intel_sdvo *psb_intel_sdvo, u32 val)
 228 {
 229         struct drm_device *dev = psb_intel_sdvo->base.base.dev;
 230         u32 bval = val, cval = val;
 231         int i;
 232
 233         if (psb_intel_sdvo->sdvo_reg == SDVOB) {
 234                 cval = REG_READ(SDVOC);
 235         } else {
 236                 bval = REG_READ(SDVOB);
 237         }
 238         /*
 239          * Write the registers twice for luck. Sometimes,
 240          * writing them only once doesn't appear to 'stick'.
 241          * The BIOS does this too. Yay, magic
 242          */
 243         for (i = 0; i < 2; i++)
 244         {
 245                 REG_WRITE(SDVOB, bval);
 246                 REG_READ(SDVOB);
 247                 REG_WRITE(SDVOC, cval);
 248                 REG_READ(SDVOC);
 249         }
 250 }
 251
 252 static bool psb_intel_sdvo_read_byte(struct psb_intel_sdvo *psb_intel_sdvo, u8 addr, u8 *ch)
 253 {
 254         struct i2c_msg msgs[] = {
 255                 {
 256                         .addr = psb_intel_sdvo->slave_addr,
 257                         .flags = 0,
 258                         .len = 1,
 259                         .buf = &addr,
 260                 },
 261                 {
 262                         .addr = psb_intel_sdvo->slave_addr,
 263                         .flags = I2C_M_RD,
 264                         .len = 1,
 265                         .buf = ch,
 266                 }
 267         };
 268         int ret;
 269
 270         if ((ret = i2c_transfer(psb_intel_sdvo->i2c, msgs, 2)) == 2)
 271                 return true;
 272
 273         DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
 274         return false;
 275 }
 276
 277 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
 278 /** Mapping of command numbers to names, for debug output */
 279 static const struct _sdvo_cmd_name {
 280         u8 cmd;
 281         const char *name;
 282 } sdvo_cmd_names[] = {
 283     SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
 284     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
 285     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
 286     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
 287     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
 288     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
 289     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
 290     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
 291     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
 292     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
 293     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
 294     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
 295     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
 296     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
 297     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
 298     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
 299     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
 300     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 301     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
 302     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 303     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
 304     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
 305     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
 306     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
 307     SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
 308     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
 309     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
 310     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
 311     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
 312     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
 313     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
 314     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
 315     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
 316     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
 317     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
 318     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
 319     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
 320     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
 321     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
 322     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
 323     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
 324     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
 325     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
 326
 327     /* Add the op code for SDVO enhancements */
 328     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
 329     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
 330     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
 331     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
 332     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
 333     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
 334     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
 335     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
 336     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
 337     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
 338     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
 339     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
 340     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
 341     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
 342     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
 343     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
 344     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
 345     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
 346     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
 347     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
 348     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
 349     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
 350     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
 351     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
 352     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
 353     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
 354     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
 355     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
 356     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
 357     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
 358     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
 359     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
 360     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
 361     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
 362     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
 363     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
 364     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
 365     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
 366     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
 367     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
 368     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
 369     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
 370     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
 371     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
 372
 373     /* HDMI op code */
 374     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
 375     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
 376     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
 377     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
 378     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
 379     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
 380     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
 381     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
 382     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
 383     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
 384     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
 385     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
 386     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
 387     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
 388     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
 389     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
 390     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
 391     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
 392     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
 393     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
 394 };
 395
 396 #define IS_SDVOB(reg)   (reg == SDVOB)
 397 #define SDVO_NAME(svdo) (IS_SDVOB((svdo)->sdvo_reg) ? "SDVOB" : "SDVOC")
 398
 399 static void psb_intel_sdvo_debug_write(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd,
 400                                    const void *args, int args_len)
 401 {
 402         int i;
 403
 404         DRM_DEBUG_KMS("%s: W: %02X ",
 405                                 SDVO_NAME(psb_intel_sdvo), cmd);
 406         for (i = 0; i < args_len; i++)
 407                 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
 408         for (; i < 8; i++)
 409                 DRM_LOG_KMS("   ");
 410         for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
 411                 if (cmd == sdvo_cmd_names[i].cmd) {
 412                         DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
 413                         break;
 414                 }
 415         }
 416         if (i == ARRAY_SIZE(sdvo_cmd_names))
 417                 DRM_LOG_KMS("(%02X)", cmd);
 418         DRM_LOG_KMS("\n");
 419 }
 420
 421 static const char *cmd_status_names[] = {
 422         "Power on",
 423         "Success",
 424         "Not supported",
 425         "Invalid arg",
 426         "Pending",
 427         "Target not specified",
 428         "Scaling not supported"
 429 };
 430
 431 static bool psb_intel_sdvo_write_cmd(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd,
 432                                  const void *args, int args_len)
 433 {
 434         u8 buf[args_len*2 + 2], status;
 435         struct i2c_msg msgs[args_len + 3];
 436         int i, ret;
 437
 438         psb_intel_sdvo_debug_write(psb_intel_sdvo, cmd, args, args_len);
 439
 440         for (i = 0; i < args_len; i++) {
 441                 msgs[i].addr = psb_intel_sdvo->slave_addr;
 442                 msgs[i].flags = 0;
 443                 msgs[i].len = 2;
 444                 msgs[i].buf = buf + 2 *i;
 445                 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
 446                 buf[2*i + 1] = ((u8*)args)[i];
 447         }
 448         msgs[i].addr = psb_intel_sdvo->slave_addr;
 449         msgs[i].flags = 0;
 450         msgs[i].len = 2;
 451         msgs[i].buf = buf + 2*i;
 452         buf[2*i + 0] = SDVO_I2C_OPCODE;
 453         buf[2*i + 1] = cmd;
 454
 455         /* the following two are to read the response */
 456         status = SDVO_I2C_CMD_STATUS;
 457         msgs[i+1].addr = psb_intel_sdvo->slave_addr;
 458         msgs[i+1].flags = 0;
 459         msgs[i+1].len = 1;
 460         msgs[i+1].buf = &status;
 461
 462         msgs[i+2].addr = psb_intel_sdvo->slave_addr;
 463         msgs[i+2].flags = I2C_M_RD;
 464         msgs[i+2].len = 1;
 465         msgs[i+2].buf = &status;
 466
 467         ret = i2c_transfer(psb_intel_sdvo->i2c, msgs, i+3);
 468         if (ret < 0) {
 469                 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
 470                 return false;
 471         }
 472         if (ret != i+3) {
 473                 /* failure in I2C transfer */
 474                 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
 475                 return false;
 476         }
 477
 478         return true;
 479 }
 480
 481 static bool psb_intel_sdvo_read_response(struct psb_intel_sdvo *psb_intel_sdvo,
 482                                      void *response, int response_len)
 483 {
 484         u8 retry = 5;
 485         u8 status;
 486         int i;
 487
 488         DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(psb_intel_sdvo));
 489
 490         /*
 491          * The documentation states that all commands will be
 492          * processed within 15µs, and that we need only poll
 493          * the status byte a maximum of 3 times in order for the
 494          * command to be complete.
 495          *
 496          * Check 5 times in case the hardware failed to read the docs.
 497          */
 498         if (!psb_intel_sdvo_read_byte(psb_intel_sdvo,
 499                                   SDVO_I2C_CMD_STATUS,
 500                                   &status))
 501                 goto log_fail;
 502
 503         while (status == SDVO_CMD_STATUS_PENDING && retry--) {
 504                 udelay(15);
 505                 if (!psb_intel_sdvo_read_byte(psb_intel_sdvo,
 506                                           SDVO_I2C_CMD_STATUS,
 507                                           &status))
 508                         goto log_fail;
 509         }
 510
 511         if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
 512                 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
 513         else
 514                 DRM_LOG_KMS("(??? %d)", status);
 515
 516         if (status != SDVO_CMD_STATUS_SUCCESS)
 517                 goto log_fail;
 518
 519         /* Read the command response */
 520         for (i = 0; i < response_len; i++) {
 521                 if (!psb_intel_sdvo_read_byte(psb_intel_sdvo,
 522                                           SDVO_I2C_RETURN_0 + i,
 523                                           &((u8 *)response)[i]))
 524                         goto log_fail;
 525                 DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
 526         }
 527         DRM_LOG_KMS("\n");
 528         return true;
 529
 530 log_fail:
 531         DRM_LOG_KMS("... failed\n");
 532         return false;
 533 }
 534
 535 static int psb_intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
 536 {
 537         if (mode->clock >= 100000)
 538                 return 1;
 539         else if (mode->clock >= 50000)
 540                 return 2;
 541         else
 542                 return 4;
 543 }
 544
 545 static bool psb_intel_sdvo_set_control_bus_switch(struct psb_intel_sdvo *psb_intel_sdvo,
 546                                               u8 ddc_bus)
 547 {
 548         /* This must be the immediately preceding write before the i2c xfer */
 549         return psb_intel_sdvo_write_cmd(psb_intel_sdvo,
 550                                     SDVO_CMD_SET_CONTROL_BUS_SWITCH,
 551                                     &ddc_bus, 1);
 552 }
 553
 554 static bool psb_intel_sdvo_set_value(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd, const void *data, int len)
 555 {
 556         if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo, cmd, data, len))
 557                 return false;
 558
 559         return psb_intel_sdvo_read_response(psb_intel_sdvo, NULL, 0);
 560 }
 561
 562 static bool
 563 psb_intel_sdvo_get_value(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd, void *value, int len)
 564 {
 565         if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo, cmd, NULL, 0))
 566                 return false;
 567
 568         return psb_intel_sdvo_read_response(psb_intel_sdvo, value, len);
 569 }
 570
 571 static bool psb_intel_sdvo_set_target_input(struct psb_intel_sdvo *psb_intel_sdvo)
 572 {
 573         struct psb_intel_sdvo_set_target_input_args targets = {0};
 574         return psb_intel_sdvo_set_value(psb_intel_sdvo,
 575                                     SDVO_CMD_SET_TARGET_INPUT,
 576                                     &targets, sizeof(targets));
 577 }
 578
 579 /**
 580  * Return whether each input is trained.
 581  *
 582  * This function is making an assumption about the layout of the response,
 583  * which should be checked against the docs.
 584  */
 585 static bool psb_intel_sdvo_get_trained_inputs(struct psb_intel_sdvo *psb_intel_sdvo, bool *input_1, bool *input_2)
 586 {
 587         struct psb_intel_sdvo_get_trained_inputs_response response;
 588
 589         BUILD_BUG_ON(sizeof(response) != 1);
 590         if (!psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
 591                                   &response, sizeof(response)))
 592                 return false;
 593
 594         *input_1 = response.input0_trained;
 595         *input_2 = response.input1_trained;
 596         return true;
 597 }
 598
 599 static bool psb_intel_sdvo_set_active_outputs(struct psb_intel_sdvo *psb_intel_sdvo,
 600                                           u16 outputs)
 601 {
 602         return psb_intel_sdvo_set_value(psb_intel_sdvo,
 603                                     SDVO_CMD_SET_ACTIVE_OUTPUTS,
 604                                     &outputs, sizeof(outputs));
 605 }
 606
 607 static bool psb_intel_sdvo_set_encoder_power_state(struct psb_intel_sdvo *psb_intel_sdvo,
 608                                                int mode)
 609 {
 610         u8 state = SDVO_ENCODER_STATE_ON;
 611
 612         switch (mode) {
 613         case DRM_MODE_DPMS_ON:
 614                 state = SDVO_ENCODER_STATE_ON;
 615                 break;
 616         case DRM_MODE_DPMS_STANDBY:
 617                 state = SDVO_ENCODER_STATE_STANDBY;
 618                 break;
 619         case DRM_MODE_DPMS_SUSPEND:
 620                 state = SDVO_ENCODER_STATE_SUSPEND;
 621                 break;
 622         case DRM_MODE_DPMS_OFF:
 623                 state = SDVO_ENCODER_STATE_OFF;
 624                 break;
 625         }
 626
 627         return psb_intel_sdvo_set_value(psb_intel_sdvo,
 628                                     SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
 629 }
 630
 631 static bool psb_intel_sdvo_get_input_pixel_clock_range(struct psb_intel_sdvo *psb_intel_sdvo,
 632                                                    int *clock_min,
 633                                                    int *clock_max)
 634 {
 635         struct psb_intel_sdvo_pixel_clock_range clocks;
 636
 637         BUILD_BUG_ON(sizeof(clocks) != 4);
 638         if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
 639                                   SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
 640                                   &clocks, sizeof(clocks)))
 641                 return false;
 642
 643         /* Convert the values from units of 10 kHz to kHz. */
 644         *clock_min = clocks.min * 10;
 645         *clock_max = clocks.max * 10;
 646         return true;
 647 }
 648
 649 static bool psb_intel_sdvo_set_target_output(struct psb_intel_sdvo *psb_intel_sdvo,
 650                                          u16 outputs)
 651 {
 652         return psb_intel_sdvo_set_value(psb_intel_sdvo,
 653                                     SDVO_CMD_SET_TARGET_OUTPUT,
 654                                     &outputs, sizeof(outputs));
 655 }
 656
 657 static bool psb_intel_sdvo_set_timing(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd,
 658                                   struct psb_intel_sdvo_dtd *dtd)
 659 {
 660         return psb_intel_sdvo_set_value(psb_intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
 661                 psb_intel_sdvo_set_value(psb_intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
 662 }
 663
 664 static bool psb_intel_sdvo_set_input_timing(struct psb_intel_sdvo *psb_intel_sdvo,
 665                                          struct psb_intel_sdvo_dtd *dtd)
 666 {
 667         return psb_intel_sdvo_set_timing(psb_intel_sdvo,
 668                                      SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
 669 }
 670
 671 static bool psb_intel_sdvo_set_output_timing(struct psb_intel_sdvo *psb_intel_sdvo,
 672                                          struct psb_intel_sdvo_dtd *dtd)
 673 {
 674         return psb_intel_sdvo_set_timing(psb_intel_sdvo,
 675                                      SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
 676 }
 677
 678 static bool
 679 psb_intel_sdvo_create_preferred_input_timing(struct psb_intel_sdvo *psb_intel_sdvo,
 680                                          uint16_t clock,
 681                                          uint16_t width,
 682                                          uint16_t height)
 683 {
 684         struct psb_intel_sdvo_preferred_input_timing_args args;
 685
 686         memset(&args, 0, sizeof(args));
 687         args.clock = clock;
 688         args.width = width;
 689         args.height = height;
 690         args.interlace = 0;
 691
 692         if (psb_intel_sdvo->is_lvds &&
 693            (psb_intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
 694             psb_intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
 695                 args.scaled = 1;
 696
 697         return psb_intel_sdvo_set_value(psb_intel_sdvo,
 698                                     SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
 699                                     &args, sizeof(args));
 700 }
 701
 702 static bool psb_intel_sdvo_get_preferred_input_timing(struct psb_intel_sdvo *psb_intel_sdvo,
 703                                                   struct psb_intel_sdvo_dtd *dtd)
 704 {
 705         BUILD_BUG_ON(sizeof(dtd->part1) != 8);
 706         BUILD_BUG_ON(sizeof(dtd->part2) != 8);
 707         return psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
 708                                     &dtd->part1, sizeof(dtd->part1)) &&
 709                 psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
 710                                      &dtd->part2, sizeof(dtd->part2));
 711 }
 712
 713 static bool psb_intel_sdvo_set_clock_rate_mult(struct psb_intel_sdvo *psb_intel_sdvo, u8 val)
 714 {
 715         return psb_intel_sdvo_set_value(psb_intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
 716 }
 717
 718 static void psb_intel_sdvo_get_dtd_from_mode(struct psb_intel_sdvo_dtd *dtd,
 719                                          const struct drm_display_mode *mode)
 720 {
 721         uint16_t width, height;
 722         uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
 723         uint16_t h_sync_offset, v_sync_offset;
 724
 725         width = mode->crtc_hdisplay;
 726         height = mode->crtc_vdisplay;
 727
 728         /* do some mode translations */
 729         h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
 730         h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
 731
 732         v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
 733         v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
 734
 735         h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
 736         v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
 737
 738         dtd->part1.clock = mode->clock / 10;
 739         dtd->part1.h_active = width & 0xff;
 740         dtd->part1.h_blank = h_blank_len & 0xff;
 741         dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
 742                 ((h_blank_len >> 8) & 0xf);
 743         dtd->part1.v_active = height & 0xff;
 744         dtd->part1.v_blank = v_blank_len & 0xff;
 745         dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
 746                 ((v_blank_len >> 8) & 0xf);
 747
 748         dtd->part2.h_sync_off = h_sync_offset & 0xff;
 749         dtd->part2.h_sync_width = h_sync_len & 0xff;
 750         dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
 751                 (v_sync_len & 0xf);
 752         dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
 753                 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
 754                 ((v_sync_len & 0x30) >> 4);
 755
 756         dtd->part2.dtd_flags = 0x18;
 757         if (mode->flags & DRM_MODE_FLAG_PHSYNC)
 758                 dtd->part2.dtd_flags |= 0x2;
 759         if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 760                 dtd->part2.dtd_flags |= 0x4;
 761
 762         dtd->part2.sdvo_flags = 0;
 763         dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
 764         dtd->part2.reserved = 0;
 765 }
 766
 767 static void psb_intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
 768                                          const struct psb_intel_sdvo_dtd *dtd)
 769 {
 770         mode->hdisplay = dtd->part1.h_active;
 771         mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
 772         mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
 773         mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
 774         mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
 775         mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
 776         mode->htotal = mode->hdisplay + dtd->part1.h_blank;
 777         mode->htotal += (dtd->part1.h_high & 0xf) << 8;
 778
 779         mode->vdisplay = dtd->part1.v_active;
 780         mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
 781         mode->vsync_start = mode->vdisplay;
 782         mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
 783         mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
 784         mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
 785         mode->vsync_end = mode->vsync_start +
 786                 (dtd->part2.v_sync_off_width & 0xf);
 787         mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
 788         mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
 789         mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
 790
 791         mode->clock = dtd->part1.clock * 10;
 792
 793         mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
 794         if (dtd->part2.dtd_flags & 0x2)
 795                 mode->flags |= DRM_MODE_FLAG_PHSYNC;
 796         if (dtd->part2.dtd_flags & 0x4)
 797                 mode->flags |= DRM_MODE_FLAG_PVSYNC;
 798 }
 799
 800 static bool psb_intel_sdvo_check_supp_encode(struct psb_intel_sdvo *psb_intel_sdvo)
 801 {
 802         struct psb_intel_sdvo_encode encode;
 803
 804         BUILD_BUG_ON(sizeof(encode) != 2);
 805         return psb_intel_sdvo_get_value(psb_intel_sdvo,
 806                                   SDVO_CMD_GET_SUPP_ENCODE,
 807                                   &encode, sizeof(encode));
 808 }
 809
 810 static bool psb_intel_sdvo_set_encode(struct psb_intel_sdvo *psb_intel_sdvo,
 811                                   uint8_t mode)
 812 {
 813         return psb_intel_sdvo_set_value(psb_intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
 814 }
 815
 816 static bool psb_intel_sdvo_set_colorimetry(struct psb_intel_sdvo *psb_intel_sdvo,
 817                                        uint8_t mode)
 818 {
 819         return psb_intel_sdvo_set_value(psb_intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
 820 }
 821
 822 #if 0
 823 static void psb_intel_sdvo_dump_hdmi_buf(struct psb_intel_sdvo *psb_intel_sdvo)
 824 {
 825         int i, j;
 826         uint8_t set_buf_index[2];
 827         uint8_t av_split;
 828         uint8_t buf_size;
 829         uint8_t buf[48];
 830         uint8_t *pos;
 831
 832         psb_intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
 833
 834         for (i = 0; i <= av_split; i++) {
 835                 set_buf_index[0] = i; set_buf_index[1] = 0;
 836                 psb_intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
 837                                      set_buf_index, 2);
 838                 psb_intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
 839                 psb_intel_sdvo_read_response(encoder, &buf_size, 1);
 840
 841                 pos = buf;
 842                 for (j = 0; j <= buf_size; j += 8) {
 843                         psb_intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
 844                                              NULL, 0);
 845                         psb_intel_sdvo_read_response(encoder, pos, 8);
 846                         pos += 8;
 847                 }
 848         }
 849 }
 850 #endif
 851
 852 static bool psb_intel_sdvo_set_avi_infoframe(struct psb_intel_sdvo *psb_intel_sdvo)
 853 {
 854         DRM_INFO("HDMI is not supported yet");
 855
 856         return false;
 857 #if 0
 858         struct dip_infoframe avi_if = {
 859                 .type = DIP_TYPE_AVI,
 860                 .ver = DIP_VERSION_AVI,
 861                 .len = DIP_LEN_AVI,
 862         };
 863         uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
 864         uint8_t set_buf_index[2] = { 1, 0 };
 865         uint64_t *data = (uint64_t *)&avi_if;
 866         unsigned i;
 867
 868         intel_dip_infoframe_csum(&avi_if);
 869
 870         if (!psb_intel_sdvo_set_value(psb_intel_sdvo,
 871                                   SDVO_CMD_SET_HBUF_INDEX,
 872                                   set_buf_index, 2))
 873                 return false;
 874
 875         for (i = 0; i < sizeof(avi_if); i += 8) {
 876                 if (!psb_intel_sdvo_set_value(psb_intel_sdvo,
 877                                           SDVO_CMD_SET_HBUF_DATA,
 878                                           data, 8))
 879                         return false;
 880                 data++;
 881         }
 882
 883         return psb_intel_sdvo_set_value(psb_intel_sdvo,
 884                                     SDVO_CMD_SET_HBUF_TXRATE,
 885                                     &tx_rate, 1);
 886 #endif
 887 }
 888
 889 static bool psb_intel_sdvo_set_tv_format(struct psb_intel_sdvo *psb_intel_sdvo)
 890 {
 891         struct psb_intel_sdvo_tv_format format;
 892         uint32_t format_map;
 893
 894         format_map = 1 << psb_intel_sdvo->tv_format_index;
 895         memset(&format, 0, sizeof(format));
 896         memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
 897
 898         BUILD_BUG_ON(sizeof(format) != 6);
 899         return psb_intel_sdvo_set_value(psb_intel_sdvo,
 900                                     SDVO_CMD_SET_TV_FORMAT,
 901                                     &format, sizeof(format));
 902 }
 903
 904 static bool
 905 psb_intel_sdvo_set_output_timings_from_mode(struct psb_intel_sdvo *psb_intel_sdvo,
 906                                         const struct drm_display_mode *mode)
 907 {
 908         struct psb_intel_sdvo_dtd output_dtd;
 909
 910         if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo,
 911                                           psb_intel_sdvo->attached_output))
 912                 return false;
 913
 914         psb_intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
 915         if (!psb_intel_sdvo_set_output_timing(psb_intel_sdvo, &output_dtd))
 916                 return false;
 917
 918         return true;
 919 }
 920
 921 static bool
 922 psb_intel_sdvo_set_input_timings_for_mode(struct psb_intel_sdvo *psb_intel_sdvo,
 923                                         const struct drm_display_mode *mode,
 924                                         struct drm_display_mode *adjusted_mode)
 925 {
 926         /* Reset the input timing to the screen. Assume always input 0. */
 927         if (!psb_intel_sdvo_set_target_input(psb_intel_sdvo))
 928                 return false;
 929
 930         if (!psb_intel_sdvo_create_preferred_input_timing(psb_intel_sdvo,
 931                                                       mode->clock / 10,
 932                                                       mode->hdisplay,
 933                                                       mode->vdisplay))
 934                 return false;
 935
 936         if (!psb_intel_sdvo_get_preferred_input_timing(psb_intel_sdvo,
 937                                                    &psb_intel_sdvo->input_dtd))
 938                 return false;
 939
 940         psb_intel_sdvo_get_mode_from_dtd(adjusted_mode, &psb_intel_sdvo->input_dtd);
 941
 942         drm_mode_set_crtcinfo(adjusted_mode, 0);
 943         return true;
 944 }
 945
 946 static bool psb_intel_sdvo_mode_fixup(struct drm_encoder *encoder,
 947                                   const struct drm_display_mode *mode,
 948                                   struct drm_display_mode *adjusted_mode)
 949 {
 950         struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder);
 951         int multiplier;
 952
 953         /* We need to construct preferred input timings based on our
 954          * output timings.  To do that, we have to set the output
 955          * timings, even though this isn't really the right place in
 956          * the sequence to do it. Oh well.
 957          */
 958         if (psb_intel_sdvo->is_tv) {
 959                 if (!psb_intel_sdvo_set_output_timings_from_mode(psb_intel_sdvo, mode))
 960                         return false;
 961
 962                 (void) psb_intel_sdvo_set_input_timings_for_mode(psb_intel_sdvo,
 963                                                              mode,
 964                                                              adjusted_mode);
 965         } else if (psb_intel_sdvo->is_lvds) {
 966                 if (!psb_intel_sdvo_set_output_timings_from_mode(psb_intel_sdvo,
 967                                                              psb_intel_sdvo->sdvo_lvds_fixed_mode))
 968                         return false;
 969
 970                 (void) psb_intel_sdvo_set_input_timings_for_mode(psb_intel_sdvo,
 971                                                              mode,
 972                                                              adjusted_mode);
 973         }
 974
 975         /* Make the CRTC code factor in the SDVO pixel multiplier.  The
 976          * SDVO device will factor out the multiplier during mode_set.
 977          */
 978         multiplier = psb_intel_sdvo_get_pixel_multiplier(adjusted_mode);
 979         psb_intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
 980
 981         return true;
 982 }
 983
 984 static void psb_intel_sdvo_mode_set(struct drm_encoder *encoder,
 985                                 struct drm_display_mode *mode,
 986                                 struct drm_display_mode *adjusted_mode)
 987 {
 988         struct drm_device *dev = encoder->dev;
 989         struct drm_crtc *crtc = encoder->crtc;
 990         struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
 991         struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder);
 992         u32 sdvox;
 993         struct psb_intel_sdvo_in_out_map in_out;
 994         struct psb_intel_sdvo_dtd input_dtd;
 995         int pixel_multiplier = psb_intel_mode_get_pixel_multiplier(adjusted_mode);
 996         int rate;
 997
 998         if (!mode)
 999                 return;
1000
1001         /* First, set the input mapping for the first input to our controlled
1002          * output. This is only correct if we're a single-input device, in
1003          * which case the first input is the output from the appropriate SDVO
1004          * channel on the motherboard.  In a two-input device, the first input
1005          * will be SDVOB and the second SDVOC.
1006          */
1007         in_out.in0 = psb_intel_sdvo->attached_output;
1008         in_out.in1 = 0;
1009
1010         psb_intel_sdvo_set_value(psb_intel_sdvo,
1011                              SDVO_CMD_SET_IN_OUT_MAP,
1012                              &in_out, sizeof(in_out));
1013
1014         /* Set the output timings to the screen */
1015         if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo,
1016                                           psb_intel_sdvo->attached_output))
1017                 return;
1018
1019         /* We have tried to get input timing in mode_fixup, and filled into
1020          * adjusted_mode.
1021          */
1022         if (psb_intel_sdvo->is_tv || psb_intel_sdvo->is_lvds) {
1023                 input_dtd = psb_intel_sdvo->input_dtd;
1024         } else {
1025                 /* Set the output timing to the screen */
1026                 if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo,
1027                                                   psb_intel_sdvo->attached_output))
1028                         return;
1029
1030                 psb_intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1031                 (void) psb_intel_sdvo_set_output_timing(psb_intel_sdvo, &input_dtd);
1032         }
1033
1034         /* Set the input timing to the screen. Assume always input 0. */
1035         if (!psb_intel_sdvo_set_target_input(psb_intel_sdvo))
1036                 return;
1037
1038         if (psb_intel_sdvo->has_hdmi_monitor) {
1039                 psb_intel_sdvo_set_encode(psb_intel_sdvo, SDVO_ENCODE_HDMI);
1040                 psb_intel_sdvo_set_colorimetry(psb_intel_sdvo,
1041                                            SDVO_COLORIMETRY_RGB256);
1042                 psb_intel_sdvo_set_avi_infoframe(psb_intel_sdvo);
1043         } else
1044                 psb_intel_sdvo_set_encode(psb_intel_sdvo, SDVO_ENCODE_DVI);
1045
1046         if (psb_intel_sdvo->is_tv &&
1047             !psb_intel_sdvo_set_tv_format(psb_intel_sdvo))
1048                 return;
1049
1050         (void) psb_intel_sdvo_set_input_timing(psb_intel_sdvo, &input_dtd);
1051
1052         switch (pixel_multiplier) {
1053         default:
1054         case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1055         case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1056         case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1057         }
1058         if (!psb_intel_sdvo_set_clock_rate_mult(psb_intel_sdvo, rate))
1059                 return;
1060
1061         /* Set the SDVO control regs. */
1062         sdvox = REG_READ(psb_intel_sdvo->sdvo_reg);
1063         switch (psb_intel_sdvo->sdvo_reg) {
1064         case SDVOB:
1065                 sdvox &= SDVOB_PRESERVE_MASK;
1066                 break;
1067         case SDVOC:
1068                 sdvox &= SDVOC_PRESERVE_MASK;
1069                 break;
1070         }
1071         sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1072
1073         if (psb_intel_crtc->pipe == 1)
1074                 sdvox |= SDVO_PIPE_B_SELECT;
1075         if (psb_intel_sdvo->has_hdmi_audio)
1076                 sdvox |= SDVO_AUDIO_ENABLE;
1077
1078         /* FIXME: Check if this is needed for PSB
1079         sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1080         */
1081
1082         if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL)
1083                 sdvox |= SDVO_STALL_SELECT;
1084         psb_intel_sdvo_write_sdvox(psb_intel_sdvo, sdvox);
1085 }
1086
1087 static void psb_intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1088 {
1089         struct drm_device *dev = encoder->dev;
1090         struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder);
1091         u32 temp;
1092
1093         switch (mode) {
1094         case DRM_MODE_DPMS_ON:
1095                 DRM_DEBUG("DPMS_ON");
1096                 break;
1097         case DRM_MODE_DPMS_OFF:
1098                 DRM_DEBUG("DPMS_OFF");
1099                 break;
1100         default:
1101                 DRM_DEBUG("DPMS: %d", mode);
1102         }
1103
1104         if (mode != DRM_MODE_DPMS_ON) {
1105                 psb_intel_sdvo_set_active_outputs(psb_intel_sdvo, 0);
1106                 if (0)
1107                         psb_intel_sdvo_set_encoder_power_state(psb_intel_sdvo, mode);
1108
1109                 if (mode == DRM_MODE_DPMS_OFF) {
1110                         temp = REG_READ(psb_intel_sdvo->sdvo_reg);
1111                         if ((temp & SDVO_ENABLE) != 0) {
1112                                 psb_intel_sdvo_write_sdvox(psb_intel_sdvo, temp & ~SDVO_ENABLE);
1113                         }
1114                 }
1115         } else {
1116                 bool input1, input2;
1117                 int i;
1118                 u8 status;
1119
1120                 temp = REG_READ(psb_intel_sdvo->sdvo_reg);
1121                 if ((temp & SDVO_ENABLE) == 0)
1122                         psb_intel_sdvo_write_sdvox(psb_intel_sdvo, temp | SDVO_ENABLE);
1123                 for (i = 0; i < 2; i++)
1124                         psb_intel_wait_for_vblank(dev);
1125
1126                 status = psb_intel_sdvo_get_trained_inputs(psb_intel_sdvo, &input1, &input2);
1127                 /* Warn if the device reported failure to sync.
1128                  * A lot of SDVO devices fail to notify of sync, but it's
1129                  * a given it the status is a success, we succeeded.
1130                  */
1131                 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1132                         DRM_DEBUG_KMS("First %s output reported failure to "
1133                                         "sync\n", SDVO_NAME(psb_intel_sdvo));
1134                 }
1135
1136                 if (0)
1137                         psb_intel_sdvo_set_encoder_power_state(psb_intel_sdvo, mode);
1138                 psb_intel_sdvo_set_active_outputs(psb_intel_sdvo, psb_intel_sdvo->attached_output);
1139         }
1140         return;
1141 }
1142
1143 static int psb_intel_sdvo_mode_valid(struct drm_connector *connector,
1144                                  struct drm_display_mode *mode)
1145 {
1146         struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1147
1148         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1149                 return MODE_NO_DBLESCAN;
1150
1151         if (psb_intel_sdvo->pixel_clock_min > mode->clock)
1152                 return MODE_CLOCK_LOW;
1153
1154         if (psb_intel_sdvo->pixel_clock_max < mode->clock)
1155                 return MODE_CLOCK_HIGH;
1156
1157         if (psb_intel_sdvo->is_lvds) {
1158                 if (mode->hdisplay > psb_intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1159                         return MODE_PANEL;
1160
1161                 if (mode->vdisplay > psb_intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1162                         return MODE_PANEL;
1163         }
1164
1165         return MODE_OK;
1166 }
1167
1168 static bool psb_intel_sdvo_get_capabilities(struct psb_intel_sdvo *psb_intel_sdvo, struct psb_intel_sdvo_caps *caps)
1169 {
1170         BUILD_BUG_ON(sizeof(*caps) != 8);
1171         if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
1172                                   SDVO_CMD_GET_DEVICE_CAPS,
1173                                   caps, sizeof(*caps)))
1174                 return false;
1175
1176         DRM_DEBUG_KMS("SDVO capabilities:\n"
1177                       "  vendor_id: %d\n"
1178                       "  device_id: %d\n"
1179                       "  device_rev_id: %d\n"
1180                       "  sdvo_version_major: %d\n"
1181                       "  sdvo_version_minor: %d\n"
1182                       "  sdvo_inputs_mask: %d\n"
1183                       "  smooth_scaling: %d\n"
1184                       "  sharp_scaling: %d\n"
1185                       "  up_scaling: %d\n"
1186                       "  down_scaling: %d\n"
1187                       "  stall_support: %d\n"
1188                       "  output_flags: %d\n",
1189                       caps->vendor_id,
1190                       caps->device_id,
1191                       caps->device_rev_id,
1192                       caps->sdvo_version_major,
1193                       caps->sdvo_version_minor,
1194                       caps->sdvo_inputs_mask,
1195                       caps->smooth_scaling,
1196                       caps->sharp_scaling,
1197                       caps->up_scaling,
1198                       caps->down_scaling,
1199                       caps->stall_support,
1200                       caps->output_flags);
1201
1202         return true;
1203 }
1204
1205 /* No use! */
1206 #if 0
1207 struct drm_connector* psb_intel_sdvo_find(struct drm_device *dev, int sdvoB)
1208 {
1209         struct drm_connector *connector = NULL;
1210         struct psb_intel_sdvo *iout = NULL;
1211         struct psb_intel_sdvo *sdvo;
1212
1213         /* find the sdvo connector */
1214         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1215                 iout = to_psb_intel_sdvo(connector);
1216
1217                 if (iout->type != INTEL_OUTPUT_SDVO)
1218                         continue;
1219
1220                 sdvo = iout->dev_priv;
1221
1222                 if (sdvo->sdvo_reg == SDVOB && sdvoB)
1223                         return connector;
1224
1225                 if (sdvo->sdvo_reg == SDVOC && !sdvoB)
1226                         return connector;
1227
1228         }
1229
1230         return NULL;
1231 }
1232
1233 int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector)
1234 {
1235         u8 response[2];
1236         u8 status;
1237         struct psb_intel_sdvo *psb_intel_sdvo;
1238         DRM_DEBUG_KMS("\n");
1239
1240         if (!connector)
1241                 return 0;
1242
1243         psb_intel_sdvo = to_psb_intel_sdvo(connector);
1244
1245         return psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1246                                     &response, 2) && response[0];
1247 }
1248
1249 void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
1250 {
1251         u8 response[2];
1252         u8 status;
1253         struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(connector);
1254
1255         psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1256         psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2);
1257
1258         if (on) {
1259                 psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
1260                 status = psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2);
1261
1262                 psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1263         } else {
1264                 response[0] = 0;
1265                 response[1] = 0;
1266                 psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1267         }
1268
1269         psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1270         psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2);
1271 }
1272 #endif
1273
1274 static bool
1275 psb_intel_sdvo_multifunc_encoder(struct psb_intel_sdvo *psb_intel_sdvo)
1276 {
1277         /* Is there more than one type of output? */
1278         int caps = psb_intel_sdvo->caps.output_flags & 0xf;
1279         return caps & -caps;
1280 }
1281
1282 static struct edid *
1283 psb_intel_sdvo_get_edid(struct drm_connector *connector)
1284 {
1285         struct psb_intel_sdvo *sdvo = intel_attached_sdvo(connector);
1286         return drm_get_edid(connector, &sdvo->ddc);
1287 }
1288
1289 /* Mac mini hack -- use the same DDC as the analog connector */
1290 static struct edid *
1291 psb_intel_sdvo_get_analog_edid(struct drm_connector *connector)
1292 {
1293         struct drm_psb_private *dev_priv = connector->dev->dev_private;
1294
1295         return drm_get_edid(connector,
1296                             &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
1297 }
1298
1299 static enum drm_connector_status
1300 psb_intel_sdvo_hdmi_sink_detect(struct drm_connector *connector)
1301 {
1302         struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1303         enum drm_connector_status status;
1304         struct edid *edid;
1305
1306         edid = psb_intel_sdvo_get_edid(connector);
1307
1308         if (edid == NULL && psb_intel_sdvo_multifunc_encoder(psb_intel_sdvo)) {
1309                 u8 ddc, saved_ddc = psb_intel_sdvo->ddc_bus;
1310
1311                 /*
1312                  * Don't use the 1 as the argument of DDC bus switch to get
1313                  * the EDID. It is used for SDVO SPD ROM.
1314                  */
1315                 for (ddc = psb_intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1316                         psb_intel_sdvo->ddc_bus = ddc;
1317                         edid = psb_intel_sdvo_get_edid(connector);
1318                         if (edid)
1319                                 break;
1320                 }
1321                 /*
1322                  * If we found the EDID on the other bus,
1323                  * assume that is the correct DDC bus.
1324                  */
1325                 if (edid == NULL)
1326                         psb_intel_sdvo->ddc_bus = saved_ddc;
1327         }
1328
1329         /*
1330          * When there is no edid and no monitor is connected with VGA
1331          * port, try to use the CRT ddc to read the EDID for DVI-connector.
1332          */
1333         if (edid == NULL)
1334                 edid = psb_intel_sdvo_get_analog_edid(connector);
1335
1336         status = connector_status_unknown;
1337         if (edid != NULL) {
1338                 /* DDC bus is shared, match EDID to connector type */
1339                 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1340                         status = connector_status_connected;
1341                         if (psb_intel_sdvo->is_hdmi) {
1342                                 psb_intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1343                                 psb_intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1344                         }
1345                 } else
1346                         status = connector_status_disconnected;
1347                 kfree(edid);
1348         }
1349
1350         if (status == connector_status_connected) {
1351                 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1352                 if (psb_intel_sdvo_connector->force_audio)
1353                         psb_intel_sdvo->has_hdmi_audio = psb_intel_sdvo_connector->force_audio > 0;
1354         }
1355
1356         return status;
1357 }
1358
1359 static enum drm_connector_status
1360 psb_intel_sdvo_detect(struct drm_connector *connector, bool force)
1361 {
1362         uint16_t response;
1363         struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1364         struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1365         enum drm_connector_status ret;
1366
1367         if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo,
1368                                   SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
1369                 return connector_status_unknown;
1370
1371         /* add 30ms delay when the output type might be TV */
1372         if (psb_intel_sdvo->caps.output_flags &
1373             (SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_CVBS0))
1374                 mdelay(30);
1375
1376         if (!psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2))
1377                 return connector_status_unknown;
1378
1379         DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1380                       response & 0xff, response >> 8,
1381                       psb_intel_sdvo_connector->output_flag);
1382
1383         if (response == 0)
1384                 return connector_status_disconnected;
1385
1386         psb_intel_sdvo->attached_output = response;
1387
1388         psb_intel_sdvo->has_hdmi_monitor = false;
1389         psb_intel_sdvo->has_hdmi_audio = false;
1390
1391         if ((psb_intel_sdvo_connector->output_flag & response) == 0)
1392                 ret = connector_status_disconnected;
1393         else if (IS_TMDS(psb_intel_sdvo_connector))
1394                 ret = psb_intel_sdvo_hdmi_sink_detect(connector);
1395         else {
1396                 struct edid *edid;
1397
1398                 /* if we have an edid check it matches the connection */
1399                 edid = psb_intel_sdvo_get_edid(connector);
1400                 if (edid == NULL)
1401                         edid = psb_intel_sdvo_get_analog_edid(connector);
1402                 if (edid != NULL) {
1403                         if (edid->input & DRM_EDID_INPUT_DIGITAL)
1404                                 ret = connector_status_disconnected;
1405                         else
1406                                 ret = connector_status_connected;
1407                         kfree(edid);
1408                 } else
1409                         ret = connector_status_connected;
1410         }
1411
1412         /* May update encoder flag for like clock for SDVO TV, etc.*/
1413         if (ret == connector_status_connected) {
1414                 psb_intel_sdvo->is_tv = false;
1415                 psb_intel_sdvo->is_lvds = false;
1416                 psb_intel_sdvo->base.needs_tv_clock = false;
1417
1418                 if (response & SDVO_TV_MASK) {
1419                         psb_intel_sdvo->is_tv = true;
1420                         psb_intel_sdvo->base.needs_tv_clock = true;
1421                 }
1422                 if (response & SDVO_LVDS_MASK)
1423                         psb_intel_sdvo->is_lvds = psb_intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1424         }
1425
1426         return ret;
1427 }
1428
1429 static void psb_intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1430 {
1431         struct edid *edid;
1432
1433         /* set the bus switch and get the modes */
1434         edid = psb_intel_sdvo_get_edid(connector);
1435
1436         /*
1437          * Mac mini hack.  On this device, the DVI-I connector shares one DDC
1438          * link between analog and digital outputs. So, if the regular SDVO
1439          * DDC fails, check to see if the analog output is disconnected, in
1440          * which case we'll look there for the digital DDC data.
1441          */
1442         if (edid == NULL)
1443                 edid = psb_intel_sdvo_get_analog_edid(connector);
1444
1445         if (edid != NULL) {
1446                 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1447                 bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1448                 bool connector_is_digital = !!IS_TMDS(psb_intel_sdvo_connector);
1449
1450                 if (connector_is_digital == monitor_is_digital) {
1451                         drm_mode_connector_update_edid_property(connector, edid);
1452                         drm_add_edid_modes(connector, edid);
1453                 }
1454
1455                 kfree(edid);
1456         }
1457 }
1458
1459 /*
1460  * Set of SDVO TV modes.
1461  * Note!  This is in reply order (see loop in get_tv_modes).
1462  * XXX: all 60Hz refresh?
1463  */
1464 static const struct drm_display_mode sdvo_tv_modes[] = {
1465         { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1466                    416, 0, 200, 201, 232, 233, 0,
1467                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1468         { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1469                    416, 0, 240, 241, 272, 273, 0,
1470                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1471         { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1472                    496, 0, 300, 301, 332, 333, 0,
1473                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1474         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1475                    736, 0, 350, 351, 382, 383, 0,
1476                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1477         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1478                    736, 0, 400, 401, 432, 433, 0,
1479                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1480         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1481                    736, 0, 480, 481, 512, 513, 0,
1482                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1483         { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1484                    800, 0, 480, 481, 512, 513, 0,
1485                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1486         { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1487                    800, 0, 576, 577, 608, 609, 0,
1488                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1489         { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1490                    816, 0, 350, 351, 382, 383, 0,
1491                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1492         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1493                    816, 0, 400, 401, 432, 433, 0,
1494                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1495         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1496                    816, 0, 480, 481, 512, 513, 0,
1497                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1498         { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1499                    816, 0, 540, 541, 572, 573, 0,
1500                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1501         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1502                    816, 0, 576, 577, 608, 609, 0,
1503                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1504         { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1505                    864, 0, 576, 577, 608, 609, 0,
1506                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1507         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1508                    896, 0, 600, 601, 632, 633, 0,
1509                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1510         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1511                    928, 0, 624, 625, 656, 657, 0,
1512                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1513         { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1514                    1016, 0, 766, 767, 798, 799, 0,
1515                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1516         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1517                    1120, 0, 768, 769, 800, 801, 0,
1518                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1519         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1520                    1376, 0, 1024, 1025, 1056, 1057, 0,
1521                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1522 };
1523
1524 static void psb_intel_sdvo_get_tv_modes(struct drm_connector *connector)
1525 {
1526         struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1527         struct psb_intel_sdvo_sdtv_resolution_request tv_res;
1528         uint32_t reply = 0, format_map = 0;
1529         int i;
1530
1531         /* Read the list of supported input resolutions for the selected TV
1532          * format.
1533          */
1534         format_map = 1 << psb_intel_sdvo->tv_format_index;
1535         memcpy(&tv_res, &format_map,
1536                min(sizeof(format_map), sizeof(struct psb_intel_sdvo_sdtv_resolution_request)));
1537
1538         if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo, psb_intel_sdvo->attached_output))
1539                 return;
1540
1541         BUILD_BUG_ON(sizeof(tv_res) != 3);
1542         if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo,
1543                                   SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1544                                   &tv_res, sizeof(tv_res)))
1545                 return;
1546         if (!psb_intel_sdvo_read_response(psb_intel_sdvo, &reply, 3))
1547                 return;
1548
1549         for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1550                 if (reply & (1 << i)) {
1551                         struct drm_display_mode *nmode;
1552                         nmode = drm_mode_duplicate(connector->dev,
1553                                                    &sdvo_tv_modes[i]);
1554                         if (nmode)
1555                                 drm_mode_probed_add(connector, nmode);
1556                 }
1557 }
1558
1559 static void psb_intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1560 {
1561         struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1562         struct drm_psb_private *dev_priv = connector->dev->dev_private;
1563         struct drm_display_mode *newmode;
1564
1565         /*
1566          * Attempt to get the mode list from DDC.
1567          * Assume that the preferred modes are
1568          * arranged in priority order.
1569          */
1570         psb_intel_ddc_get_modes(connector, psb_intel_sdvo->i2c);
1571         if (list_empty(&connector->probed_modes) == false)
1572                 goto end;
1573
1574         /* Fetch modes from VBT */
1575         if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1576                 newmode = drm_mode_duplicate(connector->dev,
1577                                              dev_priv->sdvo_lvds_vbt_mode);
1578                 if (newmode != NULL) {
1579                         /* Guarantee the mode is preferred */
1580                         newmode->type = (DRM_MODE_TYPE_PREFERRED |
1581                                          DRM_MODE_TYPE_DRIVER);
1582                         drm_mode_probed_add(connector, newmode);
1583                 }
1584         }
1585
1586 end:
1587         list_for_each_entry(newmode, &connector->probed_modes, head) {
1588                 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1589                         psb_intel_sdvo->sdvo_lvds_fixed_mode =
1590                                 drm_mode_duplicate(connector->dev, newmode);
1591
1592                         drm_mode_set_crtcinfo(psb_intel_sdvo->sdvo_lvds_fixed_mode,
1593                                               0);
1594
1595                         psb_intel_sdvo->is_lvds = true;
1596                         break;
1597                 }
1598         }
1599
1600 }
1601
1602 static int psb_intel_sdvo_get_modes(struct drm_connector *connector)
1603 {
1604         struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1605
1606         if (IS_TV(psb_intel_sdvo_connector))
1607                 psb_intel_sdvo_get_tv_modes(connector);
1608         else if (IS_LVDS(psb_intel_sdvo_connector))
1609                 psb_intel_sdvo_get_lvds_modes(connector);
1610         else
1611                 psb_intel_sdvo_get_ddc_modes(connector);
1612
1613         return !list_empty(&connector->probed_modes);
1614 }
1615
1616 static void
1617 psb_intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1618 {
1619         struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1620         struct drm_device *dev = connector->dev;
1621
1622         if (psb_intel_sdvo_connector->left)
1623                 drm_property_destroy(dev, psb_intel_sdvo_connector->left);
1624         if (psb_intel_sdvo_connector->right)
1625                 drm_property_destroy(dev, psb_intel_sdvo_connector->right);
1626         if (psb_intel_sdvo_connector->top)
1627                 drm_property_destroy(dev, psb_intel_sdvo_connector->top);
1628         if (psb_intel_sdvo_connector->bottom)
1629                 drm_property_destroy(dev, psb_intel_sdvo_connector->bottom);
1630         if (psb_intel_sdvo_connector->hpos)
1631                 drm_property_destroy(dev, psb_intel_sdvo_connector->hpos);
1632         if (psb_intel_sdvo_connector->vpos)
1633                 drm_property_destroy(dev, psb_intel_sdvo_connector->vpos);
1634         if (psb_intel_sdvo_connector->saturation)
1635                 drm_property_destroy(dev, psb_intel_sdvo_connector->saturation);
1636         if (psb_intel_sdvo_connector->contrast)
1637                 drm_property_destroy(dev, psb_intel_sdvo_connector->contrast);
1638         if (psb_intel_sdvo_connector->hue)
1639                 drm_property_destroy(dev, psb_intel_sdvo_connector->hue);
1640         if (psb_intel_sdvo_connector->sharpness)
1641                 drm_property_destroy(dev, psb_intel_sdvo_connector->sharpness);
1642         if (psb_intel_sdvo_connector->flicker_filter)
1643                 drm_property_destroy(dev, psb_intel_sdvo_connector->flicker_filter);
1644         if (psb_intel_sdvo_connector->flicker_filter_2d)
1645                 drm_property_destroy(dev, psb_intel_sdvo_connector->flicker_filter_2d);
1646         if (psb_intel_sdvo_connector->flicker_filter_adaptive)
1647                 drm_property_destroy(dev, psb_intel_sdvo_connector->flicker_filter_adaptive);
1648         if (psb_intel_sdvo_connector->tv_luma_filter)
1649                 drm_property_destroy(dev, psb_intel_sdvo_connector->tv_luma_filter);
1650         if (psb_intel_sdvo_connector->tv_chroma_filter)
1651                 drm_property_destroy(dev, psb_intel_sdvo_connector->tv_chroma_filter);
1652         if (psb_intel_sdvo_connector->dot_crawl)
1653                 drm_property_destroy(dev, psb_intel_sdvo_connector->dot_crawl);
1654         if (psb_intel_sdvo_connector->brightness)
1655                 drm_property_destroy(dev, psb_intel_sdvo_connector->brightness);
1656 }
1657
1658 static void psb_intel_sdvo_destroy(struct drm_connector *connector)
1659 {
1660         struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1661
1662         if (psb_intel_sdvo_connector->tv_format)
1663                 drm_property_destroy(connector->dev,
1664                                      psb_intel_sdvo_connector->tv_format);
1665
1666         psb_intel_sdvo_destroy_enhance_property(connector);
1667         drm_sysfs_connector_remove(connector);
1668         drm_connector_cleanup(connector);
1669         kfree(connector);
1670 }
1671
1672 static bool psb_intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
1673 {
1674         struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1675         struct edid *edid;
1676         bool has_audio = false;
1677
1678         if (!psb_intel_sdvo->is_hdmi)
1679                 return false;
1680
1681         edid = psb_intel_sdvo_get_edid(connector);
1682         if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
1683                 has_audio = drm_detect_monitor_audio(edid);
1684
1685         return has_audio;
1686 }
1687
1688 static int
1689 psb_intel_sdvo_set_property(struct drm_connector *connector,
1690                         struct drm_property *property,
1691                         uint64_t val)
1692 {
1693         struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1694         struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1695         struct drm_psb_private *dev_priv = connector->dev->dev_private;
1696         uint16_t temp_value;
1697         uint8_t cmd;
1698         int ret;
1699
1700         ret = drm_object_property_set_value(&connector->base, property, val);
1701         if (ret)
1702                 return ret;
1703
1704         if (property == dev_priv->force_audio_property) {
1705                 int i = val;
1706                 bool has_audio;
1707
1708                 if (i == psb_intel_sdvo_connector->force_audio)
1709                         return 0;
1710
1711                 psb_intel_sdvo_connector->force_audio = i;
1712
1713                 if (i == 0)
1714                         has_audio = psb_intel_sdvo_detect_hdmi_audio(connector);
1715                 else
1716                         has_audio = i > 0;
1717
1718                 if (has_audio == psb_intel_sdvo->has_hdmi_audio)
1719                         return 0;
1720
1721                 psb_intel_sdvo->has_hdmi_audio = has_audio;
1722                 goto done;
1723         }
1724
1725         if (property == dev_priv->broadcast_rgb_property) {
1726                 if (val == !!psb_intel_sdvo->color_range)
1727                         return 0;
1728
1729                 psb_intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
1730                 goto done;
1731         }
1732
1733 #define CHECK_PROPERTY(name, NAME) \
1734         if (psb_intel_sdvo_connector->name == property) { \
1735                 if (psb_intel_sdvo_connector->cur_##name == temp_value) return 0; \
1736                 if (psb_intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1737                 cmd = SDVO_CMD_SET_##NAME; \
1738                 psb_intel_sdvo_connector->cur_##name = temp_value; \
1739                 goto set_value; \
1740         }
1741
1742         if (property == psb_intel_sdvo_connector->tv_format) {
1743                 if (val >= TV_FORMAT_NUM)
1744                         return -EINVAL;
1745
1746                 if (psb_intel_sdvo->tv_format_index ==
1747                     psb_intel_sdvo_connector->tv_format_supported[val])
1748                         return 0;
1749
1750                 psb_intel_sdvo->tv_format_index = psb_intel_sdvo_connector->tv_format_supported[val];
1751                 goto done;
1752         } else if (IS_TV_OR_LVDS(psb_intel_sdvo_connector)) {
1753                 temp_value = val;
1754                 if (psb_intel_sdvo_connector->left == property) {
1755                         drm_object_property_set_value(&connector->base,
1756                                                          psb_intel_sdvo_connector->right, val);
1757                         if (psb_intel_sdvo_connector->left_margin == temp_value)
1758                                 return 0;
1759
1760                         psb_intel_sdvo_connector->left_margin = temp_value;
1761                         psb_intel_sdvo_connector->right_margin = temp_value;
1762                         temp_value = psb_intel_sdvo_connector->max_hscan -
1763                                 psb_intel_sdvo_connector->left_margin;
1764                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1765                         goto set_value;
1766                 } else if (psb_intel_sdvo_connector->right == property) {
1767                         drm_object_property_set_value(&connector->base,
1768                                                          psb_intel_sdvo_connector->left, val);
1769                         if (psb_intel_sdvo_connector->right_margin == temp_value)
1770                                 return 0;
1771
1772                         psb_intel_sdvo_connector->left_margin = temp_value;
1773                         psb_intel_sdvo_connector->right_margin = temp_value;
1774                         temp_value = psb_intel_sdvo_connector->max_hscan -
1775                                 psb_intel_sdvo_connector->left_margin;
1776                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1777                         goto set_value;
1778                 } else if (psb_intel_sdvo_connector->top == property) {
1779                         drm_object_property_set_value(&connector->base,
1780                                                          psb_intel_sdvo_connector->bottom, val);
1781                         if (psb_intel_sdvo_connector->top_margin == temp_value)
1782                                 return 0;
1783
1784                         psb_intel_sdvo_connector->top_margin = temp_value;
1785                         psb_intel_sdvo_connector->bottom_margin = temp_value;
1786                         temp_value = psb_intel_sdvo_connector->max_vscan -
1787                                 psb_intel_sdvo_connector->top_margin;
1788                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1789                         goto set_value;
1790                 } else if (psb_intel_sdvo_connector->bottom == property) {
1791                         drm_object_property_set_value(&connector->base,
1792                                                          psb_intel_sdvo_connector->top, val);
1793                         if (psb_intel_sdvo_connector->bottom_margin == temp_value)
1794                                 return 0;
1795
1796                         psb_intel_sdvo_connector->top_margin = temp_value;
1797                         psb_intel_sdvo_connector->bottom_margin = temp_value;
1798                         temp_value = psb_intel_sdvo_connector->max_vscan -
1799                                 psb_intel_sdvo_connector->top_margin;
1800                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1801                         goto set_value;
1802                 }
1803                 CHECK_PROPERTY(hpos, HPOS)
1804                 CHECK_PROPERTY(vpos, VPOS)
1805                 CHECK_PROPERTY(saturation, SATURATION)
1806                 CHECK_PROPERTY(contrast, CONTRAST)
1807                 CHECK_PROPERTY(hue, HUE)
1808                 CHECK_PROPERTY(brightness, BRIGHTNESS)
1809                 CHECK_PROPERTY(sharpness, SHARPNESS)
1810                 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1811                 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1812                 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1813                 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1814                 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1815                 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1816         }
1817
1818         return -EINVAL; /* unknown property */
1819
1820 set_value:
1821         if (!psb_intel_sdvo_set_value(psb_intel_sdvo, cmd, &temp_value, 2))
1822                 return -EIO;
1823
1824
1825 done:
1826         if (psb_intel_sdvo->base.base.crtc) {
1827                 struct drm_crtc *crtc = psb_intel_sdvo->base.base.crtc;
1828                 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1829                                          crtc->y, crtc->fb);
1830         }
1831
1832         return 0;
1833 #undef CHECK_PROPERTY
1834 }
1835
1836 static void psb_intel_sdvo_save(struct drm_connector *connector)
1837 {
1838         struct drm_device *dev = connector->dev;
1839         struct psb_intel_encoder *psb_intel_encoder =
1840                                         psb_intel_attached_encoder(connector);
1841         struct psb_intel_sdvo *sdvo =
1842                                 to_psb_intel_sdvo(&psb_intel_encoder->base);
1843
1844         sdvo->saveSDVO = REG_READ(sdvo->sdvo_reg);
1845 }
1846
1847 static void psb_intel_sdvo_restore(struct drm_connector *connector)
1848 {
1849         struct drm_device *dev = connector->dev;
1850         struct drm_encoder *encoder =
1851                                 &psb_intel_attached_encoder(connector)->base;
1852         struct psb_intel_sdvo *sdvo = to_psb_intel_sdvo(encoder);
1853         struct drm_crtc *crtc = encoder->crtc;
1854
1855         REG_WRITE(sdvo->sdvo_reg, sdvo->saveSDVO);
1856
1857         /* Force a full mode set on the crtc. We're supposed to have the
1858            mode_config lock already. */
1859         if (connector->status == connector_status_connected)
1860                 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x, crtc->y,
1861                                          NULL);
1862 }
1863
1864 static const struct drm_encoder_helper_funcs psb_intel_sdvo_helper_funcs = {
1865         .dpms = psb_intel_sdvo_dpms,
1866         .mode_fixup = psb_intel_sdvo_mode_fixup,
1867         .prepare = psb_intel_encoder_prepare,
1868         .mode_set = psb_intel_sdvo_mode_set,
1869         .commit = psb_intel_encoder_commit,
1870 };
1871
1872 static const struct drm_connector_funcs psb_intel_sdvo_connector_funcs = {
1873         .dpms = drm_helper_connector_dpms,
1874         .save = psb_intel_sdvo_save,
1875         .restore = psb_intel_sdvo_restore,
1876         .detect = psb_intel_sdvo_detect,
1877         .fill_modes = drm_helper_probe_single_connector_modes,
1878         .set_property = psb_intel_sdvo_set_property,
1879         .destroy = psb_intel_sdvo_destroy,
1880 };
1881
1882 static const struct drm_connector_helper_funcs psb_intel_sdvo_connector_helper_funcs = {
1883         .get_modes = psb_intel_sdvo_get_modes,
1884         .mode_valid = psb_intel_sdvo_mode_valid,
1885         .best_encoder = psb_intel_best_encoder,
1886 };
1887
1888 static void psb_intel_sdvo_enc_destroy(struct drm_encoder *encoder)
1889 {
1890         struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder);
1891
1892         if (psb_intel_sdvo->sdvo_lvds_fixed_mode != NULL)
1893                 drm_mode_destroy(encoder->dev,
1894                                  psb_intel_sdvo->sdvo_lvds_fixed_mode);
1895
1896         i2c_del_adapter(&psb_intel_sdvo->ddc);
1897         psb_intel_encoder_destroy(encoder);
1898 }
1899
1900 static const struct drm_encoder_funcs psb_intel_sdvo_enc_funcs = {
1901         .destroy = psb_intel_sdvo_enc_destroy,
1902 };
1903
1904 static void
1905 psb_intel_sdvo_guess_ddc_bus(struct psb_intel_sdvo *sdvo)
1906 {
1907         /* FIXME: At the moment, ddc_bus = 2 is the only thing that works.
1908          * We need to figure out if this is true for all available poulsbo
1909          * hardware, or if we need to fiddle with the guessing code above.
1910          * The problem might go away if we can parse sdvo mappings from bios */
1911         sdvo->ddc_bus = 2;
1912
1913 #if 0
1914         uint16_t mask = 0;
1915         unsigned int num_bits;
1916
1917         /* Make a mask of outputs less than or equal to our own priority in the
1918          * list.
1919          */
1920         switch (sdvo->controlled_output) {
1921         case SDVO_OUTPUT_LVDS1:
1922                 mask |= SDVO_OUTPUT_LVDS1;
1923         case SDVO_OUTPUT_LVDS0:
1924                 mask |= SDVO_OUTPUT_LVDS0;
1925         case SDVO_OUTPUT_TMDS1:
1926                 mask |= SDVO_OUTPUT_TMDS1;
1927         case SDVO_OUTPUT_TMDS0:
1928                 mask |= SDVO_OUTPUT_TMDS0;
1929         case SDVO_OUTPUT_RGB1:
1930                 mask |= SDVO_OUTPUT_RGB1;
1931         case SDVO_OUTPUT_RGB0:
1932                 mask |= SDVO_OUTPUT_RGB0;
1933                 break;
1934         }
1935
1936         /* Count bits to find what number we are in the priority list. */
1937         mask &= sdvo->caps.output_flags;
1938         num_bits = hweight16(mask);
1939         /* If more than 3 outputs, default to DDC bus 3 for now. */
1940         if (num_bits > 3)
1941                 num_bits = 3;
1942
1943         /* Corresponds to SDVO_CONTROL_BUS_DDCx */
1944         sdvo->ddc_bus = 1 << num_bits;
1945 #endif
1946 }
1947
1948 /**
1949  * Choose the appropriate DDC bus for control bus switch command for this
1950  * SDVO output based on the controlled output.
1951  *
1952  * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
1953  * outputs, then LVDS outputs.
1954  */
1955 static void
1956 psb_intel_sdvo_select_ddc_bus(struct drm_psb_private *dev_priv,
1957                           struct psb_intel_sdvo *sdvo, u32 reg)
1958 {
1959         struct sdvo_device_mapping *mapping;
1960
1961         if (IS_SDVOB(reg))
1962                 mapping = &(dev_priv->sdvo_mappings[0]);
1963         else
1964                 mapping = &(dev_priv->sdvo_mappings[1]);
1965
1966         if (mapping->initialized)
1967                 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
1968         else
1969                 psb_intel_sdvo_guess_ddc_bus(sdvo);
1970 }
1971
1972 static void
1973 psb_intel_sdvo_select_i2c_bus(struct drm_psb_private *dev_priv,
1974                           struct psb_intel_sdvo *sdvo, u32 reg)
1975 {
1976         struct sdvo_device_mapping *mapping;
1977         u8 pin, speed;
1978
1979         if (IS_SDVOB(reg))
1980                 mapping = &dev_priv->sdvo_mappings[0];
1981         else
1982                 mapping = &dev_priv->sdvo_mappings[1];
1983
1984         pin = GMBUS_PORT_DPB;
1985         speed = GMBUS_RATE_1MHZ >> 8;
1986         if (mapping->initialized) {
1987                 pin = mapping->i2c_pin;
1988                 speed = mapping->i2c_speed;
1989         }
1990
1991         if (pin < GMBUS_NUM_PORTS) {
1992                 sdvo->i2c = &dev_priv->gmbus[pin].adapter;
1993                 gma_intel_gmbus_set_speed(sdvo->i2c, speed);
1994                 gma_intel_gmbus_force_bit(sdvo->i2c, true);
1995         } else
1996                 sdvo->i2c = &dev_priv->gmbus[GMBUS_PORT_DPB].adapter;
1997 }
1998
1999 static bool
2000 psb_intel_sdvo_is_hdmi_connector(struct psb_intel_sdvo *psb_intel_sdvo, int device)
2001 {
2002         return psb_intel_sdvo_check_supp_encode(psb_intel_sdvo);
2003 }
2004
2005 static u8
2006 psb_intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
2007 {
2008         struct drm_psb_private *dev_priv = dev->dev_private;
2009         struct sdvo_device_mapping *my_mapping, *other_mapping;
2010
2011         if (IS_SDVOB(sdvo_reg)) {
2012                 my_mapping = &dev_priv->sdvo_mappings[0];
2013                 other_mapping = &dev_priv->sdvo_mappings[1];
2014         } else {
2015                 my_mapping = &dev_priv->sdvo_mappings[1];
2016                 other_mapping = &dev_priv->sdvo_mappings[0];
2017         }
2018
2019         /* If the BIOS described our SDVO device, take advantage of it. */
2020         if (my_mapping->slave_addr)
2021                 return my_mapping->slave_addr;
2022
2023         /* If the BIOS only described a different SDVO device, use the
2024          * address that it isn't using.
2025          */
2026         if (other_mapping->slave_addr) {
2027                 if (other_mapping->slave_addr == 0x70)
2028                         return 0x72;
2029                 else
2030                         return 0x70;
2031         }
2032
2033         /* No SDVO device info is found for another DVO port,
2034          * so use mapping assumption we had before BIOS parsing.
2035          */
2036         if (IS_SDVOB(sdvo_reg))
2037                 return 0x70;
2038         else
2039                 return 0x72;
2040 }
2041
2042 static void
2043 psb_intel_sdvo_connector_init(struct psb_intel_sdvo_connector *connector,
2044                           struct psb_intel_sdvo *encoder)
2045 {
2046         drm_connector_init(encoder->base.base.dev,
2047                            &connector->base.base,
2048                            &psb_intel_sdvo_connector_funcs,
2049                            connector->base.base.connector_type);
2050
2051         drm_connector_helper_add(&connector->base.base,
2052                                  &psb_intel_sdvo_connector_helper_funcs);
2053
2054         connector->base.base.interlace_allowed = 0;
2055         connector->base.base.doublescan_allowed = 0;
2056         connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2057
2058         psb_intel_connector_attach_encoder(&connector->base, &encoder->base);
2059         drm_sysfs_connector_add(&connector->base.base);
2060 }
2061
2062 static void
2063 psb_intel_sdvo_add_hdmi_properties(struct psb_intel_sdvo_connector *connector)
2064 {
2065         /* FIXME: We don't support HDMI at the moment
2066         struct drm_device *dev = connector->base.base.dev;
2067
2068         intel_attach_force_audio_property(&connector->base.base);
2069         intel_attach_broadcast_rgb_property(&connector->base.base);
2070         */
2071 }
2072
2073 static bool
2074 psb_intel_sdvo_dvi_init(struct psb_intel_sdvo *psb_intel_sdvo, int device)
2075 {
2076         struct drm_encoder *encoder = &psb_intel_sdvo->base.base;
2077         struct drm_connector *connector;
2078         struct psb_intel_connector *intel_connector;
2079         struct psb_intel_sdvo_connector *psb_intel_sdvo_connector;
2080
2081         psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL);
2082         if (!psb_intel_sdvo_connector)
2083                 return false;
2084
2085         if (device == 0) {
2086                 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2087                 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2088         } else if (device == 1) {
2089                 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2090                 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2091         }
2092
2093         intel_connector = &psb_intel_sdvo_connector->base;
2094         connector = &intel_connector->base;
2095         // connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2096         encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2097         connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2098
2099         if (psb_intel_sdvo_is_hdmi_connector(psb_intel_sdvo, device)) {
2100                 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2101                 psb_intel_sdvo->is_hdmi = true;
2102         }
2103         psb_intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2104                                        (1 << INTEL_ANALOG_CLONE_BIT));
2105
2106         psb_intel_sdvo_connector_init(psb_intel_sdvo_connector, psb_intel_sdvo);
2107         if (psb_intel_sdvo->is_hdmi)
2108                 psb_intel_sdvo_add_hdmi_properties(psb_intel_sdvo_connector);
2109
2110         return true;
2111 }
2112
2113 static bool
2114 psb_intel_sdvo_tv_init(struct psb_intel_sdvo *psb_intel_sdvo, int type)
2115 {
2116         struct drm_encoder *encoder = &psb_intel_sdvo->base.base;
2117         struct drm_connector *connector;
2118         struct psb_intel_connector *intel_connector;
2119         struct psb_intel_sdvo_connector *psb_intel_sdvo_connector;
2120
2121         psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL);
2122         if (!psb_intel_sdvo_connector)
2123                 return false;
2124
2125         intel_connector = &psb_intel_sdvo_connector->base;
2126         connector = &intel_connector->base;
2127         encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2128         connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2129
2130         psb_intel_sdvo->controlled_output |= type;
2131         psb_intel_sdvo_connector->output_flag = type;
2132
2133         psb_intel_sdvo->is_tv = true;
2134         psb_intel_sdvo->base.needs_tv_clock = true;
2135         psb_intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2136
2137         psb_intel_sdvo_connector_init(psb_intel_sdvo_connector, psb_intel_sdvo);
2138
2139         if (!psb_intel_sdvo_tv_create_property(psb_intel_sdvo, psb_intel_sdvo_connector, type))
2140                 goto err;
2141
2142         if (!psb_intel_sdvo_create_enhance_property(psb_intel_sdvo, psb_intel_sdvo_connector))
2143                 goto err;
2144
2145         return true;
2146
2147 err:
2148         psb_intel_sdvo_destroy(connector);
2149         return false;
2150 }
2151
2152 static bool
2153 psb_intel_sdvo_analog_init(struct psb_intel_sdvo *psb_intel_sdvo, int device)
2154 {
2155         struct drm_encoder *encoder = &psb_intel_sdvo->base.base;
2156         struct drm_connector *connector;
2157         struct psb_intel_connector *intel_connector;
2158         struct psb_intel_sdvo_connector *psb_intel_sdvo_connector;
2159
2160         psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL);
2161         if (!psb_intel_sdvo_connector)
2162                 return false;
2163
2164         intel_connector = &psb_intel_sdvo_connector->base;
2165         connector = &intel_connector->base;
2166         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2167         encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2168         connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2169
2170         if (device == 0) {
2171                 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2172                 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2173         } else if (device == 1) {
2174                 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2175                 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2176         }
2177
2178         psb_intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2179                                        (1 << INTEL_ANALOG_CLONE_BIT));
2180
2181         psb_intel_sdvo_connector_init(psb_intel_sdvo_connector,
2182                                   psb_intel_sdvo);
2183         return true;
2184 }
2185
2186 static bool
2187 psb_intel_sdvo_lvds_init(struct psb_intel_sdvo *psb_intel_sdvo, int device)
2188 {
2189         struct drm_encoder *encoder = &psb_intel_sdvo->base.base;
2190         struct drm_connector *connector;
2191         struct psb_intel_connector *intel_connector;
2192         struct psb_intel_sdvo_connector *psb_intel_sdvo_connector;
2193
2194         psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL);
2195         if (!psb_intel_sdvo_connector)
2196                 return false;
2197
2198         intel_connector = &psb_intel_sdvo_connector->base;
2199         connector = &intel_connector->base;
2200         encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2201         connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2202
2203         if (device == 0) {
2204                 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2205                 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2206         } else if (device == 1) {
2207                 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2208                 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2209         }
2210
2211         psb_intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
2212                                        (1 << INTEL_SDVO_LVDS_CLONE_BIT));
2213
2214         psb_intel_sdvo_connector_init(psb_intel_sdvo_connector, psb_intel_sdvo);
2215         if (!psb_intel_sdvo_create_enhance_property(psb_intel_sdvo, psb_intel_sdvo_connector))
2216                 goto err;
2217
2218         return true;
2219
2220 err:
2221         psb_intel_sdvo_destroy(connector);
2222         return false;
2223 }
2224
2225 static bool
2226 psb_intel_sdvo_output_setup(struct psb_intel_sdvo *psb_intel_sdvo, uint16_t flags)
2227 {
2228         psb_intel_sdvo->is_tv = false;
2229         psb_intel_sdvo->base.needs_tv_clock = false;
2230         psb_intel_sdvo->is_lvds = false;
2231
2232         /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2233
2234         if (flags & SDVO_OUTPUT_TMDS0)
2235                 if (!psb_intel_sdvo_dvi_init(psb_intel_sdvo, 0))
2236                         return false;
2237
2238         if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2239                 if (!psb_intel_sdvo_dvi_init(psb_intel_sdvo, 1))
2240                         return false;
2241
2242         /* TV has no XXX1 function block */
2243         if (flags & SDVO_OUTPUT_SVID0)
2244                 if (!psb_intel_sdvo_tv_init(psb_intel_sdvo, SDVO_OUTPUT_SVID0))
2245                         return false;
2246
2247         if (flags & SDVO_OUTPUT_CVBS0)
2248                 if (!psb_intel_sdvo_tv_init(psb_intel_sdvo, SDVO_OUTPUT_CVBS0))
2249                         return false;
2250
2251         if (flags & SDVO_OUTPUT_RGB0)
2252                 if (!psb_intel_sdvo_analog_init(psb_intel_sdvo, 0))
2253                         return false;
2254
2255         if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2256                 if (!psb_intel_sdvo_analog_init(psb_intel_sdvo, 1))
2257                         return false;
2258
2259         if (flags & SDVO_OUTPUT_LVDS0)
2260                 if (!psb_intel_sdvo_lvds_init(psb_intel_sdvo, 0))
2261                         return false;
2262
2263         if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2264                 if (!psb_intel_sdvo_lvds_init(psb_intel_sdvo, 1))
2265                         return false;
2266
2267         if ((flags & SDVO_OUTPUT_MASK) == 0) {
2268                 unsigned char bytes[2];
2269
2270                 psb_intel_sdvo->controlled_output = 0;
2271                 memcpy(bytes, &psb_intel_sdvo->caps.output_flags, 2);
2272                 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2273                               SDVO_NAME(psb_intel_sdvo),
2274                               bytes[0], bytes[1]);
2275                 return false;
2276         }
2277         psb_intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1);
2278
2279         return true;
2280 }
2281
2282 static bool psb_intel_sdvo_tv_create_property(struct psb_intel_sdvo *psb_intel_sdvo,
2283                                           struct psb_intel_sdvo_connector *psb_intel_sdvo_connector,
2284                                           int type)
2285 {
2286         struct drm_device *dev = psb_intel_sdvo->base.base.dev;
2287         struct psb_intel_sdvo_tv_format format;
2288         uint32_t format_map, i;
2289
2290         if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo, type))
2291                 return false;
2292
2293         BUILD_BUG_ON(sizeof(format) != 6);
2294         if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
2295                                   SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2296                                   &format, sizeof(format)))
2297                 return false;
2298
2299         memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2300
2301         if (format_map == 0)
2302                 return false;
2303
2304         psb_intel_sdvo_connector->format_supported_num = 0;
2305         for (i = 0 ; i < TV_FORMAT_NUM; i++)
2306                 if (format_map & (1 << i))
2307                         psb_intel_sdvo_connector->tv_format_supported[psb_intel_sdvo_connector->format_supported_num++] = i;
2308
2309
2310         psb_intel_sdvo_connector->tv_format =
2311                         drm_property_create(dev, DRM_MODE_PROP_ENUM,
2312                                             "mode", psb_intel_sdvo_connector->format_supported_num);
2313         if (!psb_intel_sdvo_connector->tv_format)
2314                 return false;
2315
2316         for (i = 0; i < psb_intel_sdvo_connector->format_supported_num; i++)
2317                 drm_property_add_enum(
2318                                 psb_intel_sdvo_connector->tv_format, i,
2319                                 i, tv_format_names[psb_intel_sdvo_connector->tv_format_supported[i]]);
2320
2321         psb_intel_sdvo->tv_format_index = psb_intel_sdvo_connector->tv_format_supported[0];
2322         drm_object_attach_property(&psb_intel_sdvo_connector->base.base.base,
2323                                       psb_intel_sdvo_connector->tv_format, 0);
2324         return true;
2325
2326 }
2327
2328 #define ENHANCEMENT(name, NAME) do { \
2329         if (enhancements.name) { \
2330                 if (!psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2331                     !psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2332                         return false; \
2333                 psb_intel_sdvo_connector->max_##name = data_value[0]; \
2334                 psb_intel_sdvo_connector->cur_##name = response; \
2335                 psb_intel_sdvo_connector->name = \
2336                         drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2337                 if (!psb_intel_sdvo_connector->name) return false; \
2338                 drm_object_attach_property(&connector->base, \
2339                                               psb_intel_sdvo_connector->name, \
2340                                               psb_intel_sdvo_connector->cur_##name); \
2341                 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2342                               data_value[0], data_value[1], response); \
2343         } \
2344 } while(0)
2345
2346 static bool
2347 psb_intel_sdvo_create_enhance_property_tv(struct psb_intel_sdvo *psb_intel_sdvo,
2348                                       struct psb_intel_sdvo_connector *psb_intel_sdvo_connector,
2349                                       struct psb_intel_sdvo_enhancements_reply enhancements)
2350 {
2351         struct drm_device *dev = psb_intel_sdvo->base.base.dev;
2352         struct drm_connector *connector = &psb_intel_sdvo_connector->base.base;
2353         uint16_t response, data_value[2];
2354
2355         /* when horizontal overscan is supported, Add the left/right  property */
2356         if (enhancements.overscan_h) {
2357                 if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
2358                                           SDVO_CMD_GET_MAX_OVERSCAN_H,
2359                                           &data_value, 4))
2360                         return false;
2361
2362                 if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
2363                                           SDVO_CMD_GET_OVERSCAN_H,
2364                                           &response, 2))
2365                         return false;
2366
2367                 psb_intel_sdvo_connector->max_hscan = data_value[0];
2368                 psb_intel_sdvo_connector->left_margin = data_value[0] - response;
2369                 psb_intel_sdvo_connector->right_margin = psb_intel_sdvo_connector->left_margin;
2370                 psb_intel_sdvo_connector->left =
2371                         drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
2372                 if (!psb_intel_sdvo_connector->left)
2373                         return false;
2374
2375                 drm_object_attach_property(&connector->base,
2376                                               psb_intel_sdvo_connector->left,
2377                                               psb_intel_sdvo_connector->left_margin);
2378
2379                 psb_intel_sdvo_connector->right =
2380                         drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
2381                 if (!psb_intel_sdvo_connector->right)
2382                         return false;
2383
2384                 drm_object_attach_property(&connector->base,
2385                                               psb_intel_sdvo_connector->right,
2386                                               psb_intel_sdvo_connector->right_margin);
2387                 DRM_DEBUG_KMS("h_overscan: max %d, "
2388                               "default %d, current %d\n",
2389                               data_value[0], data_value[1], response);
2390         }
2391
2392         if (enhancements.overscan_v) {
2393                 if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
2394                                           SDVO_CMD_GET_MAX_OVERSCAN_V,
2395                                           &data_value, 4))
2396                         return false;
2397
2398                 if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
2399                                           SDVO_CMD_GET_OVERSCAN_V,
2400                                           &response, 2))
2401                         return false;
2402
2403                 psb_intel_sdvo_connector->max_vscan = data_value[0];
2404                 psb_intel_sdvo_connector->top_margin = data_value[0] - response;
2405                 psb_intel_sdvo_connector->bottom_margin = psb_intel_sdvo_connector->top_margin;
2406                 psb_intel_sdvo_connector->top =
2407                         drm_property_create_range(dev, 0, "top_margin", 0, data_value[0]);
2408                 if (!psb_intel_sdvo_connector->top)
2409                         return false;
2410
2411                 drm_object_attach_property(&connector->base,
2412                                               psb_intel_sdvo_connector->top,
2413                                               psb_intel_sdvo_connector->top_margin);
2414
2415                 psb_intel_sdvo_connector->bottom =
2416                         drm_property_create_range(dev, 0, "bottom_margin", 0, data_value[0]);
2417                 if (!psb_intel_sdvo_connector->bottom)
2418                         return false;
2419
2420                 drm_object_attach_property(&connector->base,
2421                                               psb_intel_sdvo_connector->bottom,
2422                                               psb_intel_sdvo_connector->bottom_margin);
2423                 DRM_DEBUG_KMS("v_overscan: max %d, "
2424                               "default %d, current %d\n",
2425                               data_value[0], data_value[1], response);
2426         }
2427
2428         ENHANCEMENT(hpos, HPOS);
2429         ENHANCEMENT(vpos, VPOS);
2430         ENHANCEMENT(saturation, SATURATION);
2431         ENHANCEMENT(contrast, CONTRAST);
2432         ENHANCEMENT(hue, HUE);
2433         ENHANCEMENT(sharpness, SHARPNESS);
2434         ENHANCEMENT(brightness, BRIGHTNESS);
2435         ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2436         ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2437         ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2438         ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2439         ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2440
2441         if (enhancements.dot_crawl) {
2442                 if (!psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2443                         return false;
2444
2445                 psb_intel_sdvo_connector->max_dot_crawl = 1;
2446                 psb_intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2447                 psb_intel_sdvo_connector->dot_crawl =
2448                         drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
2449                 if (!psb_intel_sdvo_connector->dot_crawl)
2450                         return false;
2451
2452                 drm_object_attach_property(&connector->base,
2453                                               psb_intel_sdvo_connector->dot_crawl,
2454                                               psb_intel_sdvo_connector->cur_dot_crawl);
2455                 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2456         }
2457
2458         return true;
2459 }
2460
2461 static bool
2462 psb_intel_sdvo_create_enhance_property_lvds(struct psb_intel_sdvo *psb_intel_sdvo,
2463                                         struct psb_intel_sdvo_connector *psb_intel_sdvo_connector,
2464                                         struct psb_intel_sdvo_enhancements_reply enhancements)
2465 {
2466         struct drm_device *dev = psb_intel_sdvo->base.base.dev;
2467         struct drm_connector *connector = &psb_intel_sdvo_connector->base.base;
2468         uint16_t response, data_value[2];
2469
2470         ENHANCEMENT(brightness, BRIGHTNESS);
2471
2472         return true;
2473 }
2474 #undef ENHANCEMENT
2475
2476 static bool psb_intel_sdvo_create_enhance_property(struct psb_intel_sdvo *psb_intel_sdvo,
2477                                                struct psb_intel_sdvo_connector *psb_intel_sdvo_connector)
2478 {
2479         union {
2480                 struct psb_intel_sdvo_enhancements_reply reply;
2481                 uint16_t response;
2482         } enhancements;
2483
2484         BUILD_BUG_ON(sizeof(enhancements) != 2);
2485
2486         enhancements.response = 0;
2487         psb_intel_sdvo_get_value(psb_intel_sdvo,
2488                              SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2489                              &enhancements, sizeof(enhancements));
2490         if (enhancements.response == 0) {
2491                 DRM_DEBUG_KMS("No enhancement is supported\n");
2492                 return true;
2493         }
2494
2495         if (IS_TV(psb_intel_sdvo_connector))
2496                 return psb_intel_sdvo_create_enhance_property_tv(psb_intel_sdvo, psb_intel_sdvo_connector, enhancements.reply);
2497         else if(IS_LVDS(psb_intel_sdvo_connector))
2498                 return psb_intel_sdvo_create_enhance_property_lvds(psb_intel_sdvo, psb_intel_sdvo_connector, enhancements.reply);
2499         else
2500                 return true;
2501 }
2502
2503 static int psb_intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2504                                      struct i2c_msg *msgs,
2505                                      int num)
2506 {
2507         struct psb_intel_sdvo *sdvo = adapter->algo_data;
2508
2509         if (!psb_intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2510                 return -EIO;
2511
2512         return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2513 }
2514
2515 static u32 psb_intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2516 {
2517         struct psb_intel_sdvo *sdvo = adapter->algo_data;
2518         return sdvo->i2c->algo->functionality(sdvo->i2c);
2519 }
2520
2521 static const struct i2c_algorithm psb_intel_sdvo_ddc_proxy = {
2522         .master_xfer    = psb_intel_sdvo_ddc_proxy_xfer,
2523         .functionality  = psb_intel_sdvo_ddc_proxy_func
2524 };
2525
2526 static bool
2527 psb_intel_sdvo_init_ddc_proxy(struct psb_intel_sdvo *sdvo,
2528                           struct drm_device *dev)
2529 {
2530         sdvo->ddc.owner = THIS_MODULE;
2531         sdvo->ddc.class = I2C_CLASS_DDC;
2532         snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2533         sdvo->ddc.dev.parent = &dev->pdev->dev;
2534         sdvo->ddc.algo_data = sdvo;
2535         sdvo->ddc.algo = &psb_intel_sdvo_ddc_proxy;
2536
2537         return i2c_add_adapter(&sdvo->ddc) == 0;
2538 }
2539
2540 bool psb_intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
2541 {
2542         struct drm_psb_private *dev_priv = dev->dev_private;
2543         struct psb_intel_encoder *psb_intel_encoder;
2544         struct psb_intel_sdvo *psb_intel_sdvo;
2545         int i;
2546
2547         psb_intel_sdvo = kzalloc(sizeof(struct psb_intel_sdvo), GFP_KERNEL);
2548         if (!psb_intel_sdvo)
2549                 return false;
2550
2551         psb_intel_sdvo->sdvo_reg = sdvo_reg;
2552         psb_intel_sdvo->slave_addr = psb_intel_sdvo_get_slave_addr(dev, sdvo_reg) >> 1;
2553         psb_intel_sdvo_select_i2c_bus(dev_priv, psb_intel_sdvo, sdvo_reg);
2554         if (!psb_intel_sdvo_init_ddc_proxy(psb_intel_sdvo, dev)) {
2555                 kfree(psb_intel_sdvo);
2556                 return false;
2557         }
2558
2559         /* encoder type will be decided later */
2560         psb_intel_encoder = &psb_intel_sdvo->base;
2561         psb_intel_encoder->type = INTEL_OUTPUT_SDVO;
2562         drm_encoder_init(dev, &psb_intel_encoder->base, &psb_intel_sdvo_enc_funcs, 0);
2563
2564         /* Read the regs to test if we can talk to the device */
2565         for (i = 0; i < 0x40; i++) {
2566                 u8 byte;
2567
2568                 if (!psb_intel_sdvo_read_byte(psb_intel_sdvo, i, &byte)) {
2569                         DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
2570                                       IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2571                         goto err;
2572                 }
2573         }
2574
2575         if (IS_SDVOB(sdvo_reg))
2576                 dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
2577         else
2578                 dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
2579
2580         drm_encoder_helper_add(&psb_intel_encoder->base, &psb_intel_sdvo_helper_funcs);
2581
2582         /* In default case sdvo lvds is false */
2583         if (!psb_intel_sdvo_get_capabilities(psb_intel_sdvo, &psb_intel_sdvo->caps))
2584                 goto err;
2585
2586         if (psb_intel_sdvo_output_setup(psb_intel_sdvo,
2587                                     psb_intel_sdvo->caps.output_flags) != true) {
2588                 DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
2589                               IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2590                 goto err;
2591         }
2592
2593         psb_intel_sdvo_select_ddc_bus(dev_priv, psb_intel_sdvo, sdvo_reg);
2594
2595         /* Set the input timing to the screen. Assume always input 0. */
2596         if (!psb_intel_sdvo_set_target_input(psb_intel_sdvo))
2597                 goto err;
2598
2599         if (!psb_intel_sdvo_get_input_pixel_clock_range(psb_intel_sdvo,
2600                                                     &psb_intel_sdvo->pixel_clock_min,
2601                                                     &psb_intel_sdvo->pixel_clock_max))
2602                 goto err;
2603
2604         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2605                         "clock range %dMHz - %dMHz, "
2606                         "input 1: %c, input 2: %c, "
2607                         "output 1: %c, output 2: %c\n",
2608                         SDVO_NAME(psb_intel_sdvo),
2609                         psb_intel_sdvo->caps.vendor_id, psb_intel_sdvo->caps.device_id,
2610                         psb_intel_sdvo->caps.device_rev_id,
2611                         psb_intel_sdvo->pixel_clock_min / 1000,
2612                         psb_intel_sdvo->pixel_clock_max / 1000,
2613                         (psb_intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2614                         (psb_intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2615                         /* check currently supported outputs */
2616                         psb_intel_sdvo->caps.output_flags &
2617                         (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2618                         psb_intel_sdvo->caps.output_flags &
2619                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2620         return true;
2621
2622 err:
2623         drm_encoder_cleanup(&psb_intel_encoder->base);
2624         i2c_del_adapter(&psb_intel_sdvo->ddc);
2625         kfree(psb_intel_sdvo);
2626
2627         return false;
2628 }