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 "drmP.h"
  33 #include "drm.h"
  34 #include "drm_crtc.h"
  35 #include "drm_edid.h"
  36 #include "psb_intel_drv.h"
  37 #include "gma_drm.h"
  38 #include "psb_drv.h"
  39 #include "psb_intel_sdvo_regs.h"
  40 #include "psb_intel_reg.h"
  41
  42 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
  43 #define SDVO_RGB_MASK  (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
  44 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
  45 #define SDVO_TV_MASK   (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0)
  46
  47 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
  48                          SDVO_TV_MASK)
  49
  50 #define IS_TV(c)        (c->output_flag & SDVO_TV_MASK)
  51 #define IS_TMDS(c)      (c->output_flag & SDVO_TMDS_MASK)
  52 #define IS_LVDS(c)      (c->output_flag & SDVO_LVDS_MASK)
  53 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
  54
  55
  56 static const char *tv_format_names[] = {
  57         "NTSC_M"   , "NTSC_J"  , "NTSC_443",
  58         "PAL_B"    , "PAL_D"   , "PAL_G"   ,
  59         "PAL_H"    , "PAL_I"   , "PAL_M"   ,
  60         "PAL_N"    , "PAL_NC"  , "PAL_60"  ,
  61         "SECAM_B"  , "SECAM_D" , "SECAM_G" ,
  62         "SECAM_K"  , "SECAM_K1", "SECAM_L" ,
  63         "SECAM_60"
  64 };
  65
  66 #define TV_FORMAT_NUM  (sizeof(tv_format_names) / sizeof(*tv_format_names))
  67
  68 struct psb_intel_sdvo {
  69         struct psb_intel_encoder base;
  70
  71         struct i2c_adapter *i2c;
  72         u8 slave_addr;
  73
  74         struct i2c_adapter ddc;
  75
  76         /* Register for the SDVO device: SDVOB or SDVOC */
  77         int sdvo_reg;
  78
  79         /* Active outputs controlled by this SDVO output */
  80         uint16_t controlled_output;
  81
  82         /*
  83          * Capabilities of the SDVO device returned by
  84          * i830_sdvo_get_capabilities()
  85          */
  86         struct psb_intel_sdvo_caps caps;
  87
  88         /* Pixel clock limitations reported by the SDVO device, in kHz */
  89         int pixel_clock_min, pixel_clock_max;
  90
  91         /*
  92         * For multiple function SDVO device,
  93         * this is for current attached outputs.
  94         */
  95         uint16_t attached_output;
  96
  97         /**
  98          * This is used to select the color range of RBG outputs in HDMI mode.
  99          * It is only valid when using TMDS encoding and 8 bit per color mode.
 100          */
 101         uint32_t color_range;
 102
 103         /**
 104          * This is set if we're going to treat the device as TV-out.
 105          *
 106          * While we have these nice friendly flags for output types that ought
 107          * to decide this for us, the S-Video output on our HDMI+S-Video card
 108          * shows up as RGB1 (VGA).
 109          */
 110         bool is_tv;
 111
 112         /* This is for current tv format name */
 113         int tv_format_index;
 114
 115         /**
 116          * This is set if we treat the device as HDMI, instead of DVI.
 117          */
 118         bool is_hdmi;
 119         bool has_hdmi_monitor;
 120         bool has_hdmi_audio;
 121
 122         /**
 123          * This is set if we detect output of sdvo device as LVDS and
 124          * have a valid fixed mode to use with the panel.
 125          */
 126         bool is_lvds;
 127
 128         /**
 129          * This is sdvo fixed pannel mode pointer
 130          */
 131         struct drm_display_mode *sdvo_lvds_fixed_mode;
 132
 133         /* DDC bus used by this SDVO encoder */
 134         uint8_t ddc_bus;
 135
 136         /* Input timings for adjusted_mode */
 137         struct psb_intel_sdvo_dtd input_dtd;
 138 };
 139
 140 struct psb_intel_sdvo_connector {
 141         struct psb_intel_connector base;
 142
 143         /* Mark the type of connector */
 144         uint16_t output_flag;
 145
 146         int force_audio;
 147
 148         /* This contains all current supported TV format */
 149         u8 tv_format_supported[TV_FORMAT_NUM];
 150         int   format_supported_num;
 151         struct drm_property *tv_format;
 152
 153         /* add the property for the SDVO-TV */
 154         struct drm_property *left;
 155         struct drm_property *right;
 156         struct drm_property *top;
 157         struct drm_property *bottom;
 158         struct drm_property *hpos;
 159         struct drm_property *vpos;
 160         struct drm_property *contrast;
 161         struct drm_property *saturation;
 162         struct drm_property *hue;
 163         struct drm_property *sharpness;
 164         struct drm_property *flicker_filter;
 165         struct drm_property *flicker_filter_adaptive;
 166         struct drm_property *flicker_filter_2d;
 167         struct drm_property *tv_chroma_filter;
 168         struct drm_property *tv_luma_filter;
 169         struct drm_property *dot_crawl;
 170
 171         /* add the property for the SDVO-TV/LVDS */
 172         struct drm_property *brightness;
 173
 174         /* Add variable to record current setting for the above property */
 175         u32     left_margin, right_margin, top_margin, bottom_margin;
 176
 177         /* this is to get the range of margin.*/
 178         u32     max_hscan,  max_vscan;
 179         u32     max_hpos, cur_hpos;
 180         u32     max_vpos, cur_vpos;
 181         u32     cur_brightness, max_brightness;
 182         u32     cur_contrast,   max_contrast;
 183         u32     cur_saturation, max_saturation;
 184         u32     cur_hue,        max_hue;
 185         u32     cur_sharpness,  max_sharpness;
 186         u32     cur_flicker_filter,             max_flicker_filter;
 187         u32     cur_flicker_filter_adaptive,    max_flicker_filter_adaptive;
 188         u32     cur_flicker_filter_2d,          max_flicker_filter_2d;
 189         u32     cur_tv_chroma_filter,   max_tv_chroma_filter;
 190         u32     cur_tv_luma_filter,     max_tv_luma_filter;
 191         u32     cur_dot_crawl,  max_dot_crawl;
 192 };
 193
 194 static struct psb_intel_sdvo *to_psb_intel_sdvo(struct drm_encoder *encoder)
 195 {
 196         return container_of(encoder, struct psb_intel_sdvo, base.base);
 197 }
 198
 199 static struct psb_intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
 200 {
 201         return container_of(psb_intel_attached_encoder(connector),
 202                             struct psb_intel_sdvo, base);
 203 }
 204
 205 static struct psb_intel_sdvo_connector *to_psb_intel_sdvo_connector(struct drm_connector *connector)
 206 {
 207         return container_of(to_psb_intel_connector(connector), struct psb_intel_sdvo_connector, base);
 208 }
 209
 210 static bool
 211 psb_intel_sdvo_output_setup(struct psb_intel_sdvo *psb_intel_sdvo, uint16_t flags);
 212 static bool
 213 psb_intel_sdvo_tv_create_property(struct psb_intel_sdvo *psb_intel_sdvo,
 214                               struct psb_intel_sdvo_connector *psb_intel_sdvo_connector,
 215                               int type);
 216 static bool
 217 psb_intel_sdvo_create_enhance_property(struct psb_intel_sdvo *psb_intel_sdvo,
 218                                    struct psb_intel_sdvo_connector *psb_intel_sdvo_connector);
 219
 220 /**
 221  * Writes the SDVOB or SDVOC with the given value, but always writes both
 222  * SDVOB and SDVOC to work around apparent hardware issues (according to
 223  * comments in the BIOS).
 224  */
 225 static void psb_intel_sdvo_write_sdvox(struct psb_intel_sdvo *psb_intel_sdvo, u32 val)
 226 {
 227         struct drm_device *dev = psb_intel_sdvo->base.base.dev;
 228         u32 bval = val, cval = val;
 229         int i;
 230
 231         if (psb_intel_sdvo->sdvo_reg == SDVOB) {
 232                 cval = REG_READ(SDVOC);
 233         } else {
 234                 bval = REG_READ(SDVOB);
 235         }
 236         /*
 237          * Write the registers twice for luck. Sometimes,
 238          * writing them only once doesn't appear to 'stick'.
 239          * The BIOS does this too. Yay, magic
 240          */
 241         for (i = 0; i < 2; i++)
 242         {
 243                 REG_WRITE(SDVOB, bval);
 244                 REG_READ(SDVOB);
 245                 REG_WRITE(SDVOC, cval);
 246                 REG_READ(SDVOC);
 247         }
 248 }
 249
 250 static bool psb_intel_sdvo_read_byte(struct psb_intel_sdvo *psb_intel_sdvo, u8 addr, u8 *ch)
 251 {
 252         struct i2c_msg msgs[] = {
 253                 {
 254                         .addr = psb_intel_sdvo->slave_addr,
 255                         .flags = 0,
 256                         .len = 1,
 257                         .buf = &addr,
 258                 },
 259                 {
 260                         .addr = psb_intel_sdvo->slave_addr,
 261                         .flags = I2C_M_RD,
 262                         .len = 1,
 263                         .buf = ch,
 264                 }
 265         };
 266         int ret;
 267
 268         if ((ret = i2c_transfer(psb_intel_sdvo->i2c, msgs, 2)) == 2)
 269                 return true;
 270
 271         DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
 272         return false;
 273 }
 274
 275 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
 276 /** Mapping of command numbers to names, for debug output */
 277 static const struct _sdvo_cmd_name {
 278         u8 cmd;
 279         const char *name;
 280 } sdvo_cmd_names[] = {
 281     SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
 282     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
 283     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
 284     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
 285     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
 286     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
 287     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
 288     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
 289     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
 290     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
 291     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
 292     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
 293     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
 294     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
 295     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
 296     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
 297     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
 298     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 299     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
 300     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 301     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
 302     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
 303     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
 304     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
 305     SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
 306     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
 307     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
 308     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
 309     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
 310     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
 311     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
 312     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
 313     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
 314     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
 315     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
 316     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
 317     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
 318     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
 319     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
 320     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
 321     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
 322     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
 323     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
 324
 325     /* Add the op code for SDVO enhancements */
 326     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
 327     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
 328     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
 329     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
 330     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
 331     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
 332     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
 333     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
 334     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
 335     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
 336     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
 337     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
 338     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
 339     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
 340     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
 341     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
 342     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
 343     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
 344     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
 345     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
 346     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
 347     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
 348     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
 349     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
 350     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
 351     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
 352     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
 353     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
 354     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
 355     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
 356     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
 357     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
 358     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
 359     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
 360     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
 361     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
 362     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
 363     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
 364     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
 365     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
 366     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
 367     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
 368     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
 369     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
 370
 371     /* HDMI op code */
 372     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
 373     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
 374     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
 375     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
 376     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
 377     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
 378     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
 379     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
 380     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
 381     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
 382     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
 383     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
 384     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
 385     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
 386     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
 387     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
 388     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
 389     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
 390     SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
 391     SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
 392 };
 393
 394 #define IS_SDVOB(reg)   (reg == SDVOB)
 395 #define SDVO_NAME(svdo) (IS_SDVOB((svdo)->sdvo_reg) ? "SDVOB" : "SDVOC")
 396
 397 static void psb_intel_sdvo_debug_write(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd,
 398                                    const void *args, int args_len)
 399 {
 400         int i;
 401
 402         DRM_DEBUG_KMS("%s: W: %02X ",
 403                                 SDVO_NAME(psb_intel_sdvo), cmd);
 404         for (i = 0; i < args_len; i++)
 405                 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
 406         for (; i < 8; i++)
 407                 DRM_LOG_KMS("   ");
 408         for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
 409                 if (cmd == sdvo_cmd_names[i].cmd) {
 410                         DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
 411                         break;
 412                 }
 413         }
 414         if (i == ARRAY_SIZE(sdvo_cmd_names))
 415                 DRM_LOG_KMS("(%02X)", cmd);
 416         DRM_LOG_KMS("\n");
 417 }
 418
 419 static const char *cmd_status_names[] = {
 420         "Power on",
 421         "Success",
 422         "Not supported",
 423         "Invalid arg",
 424         "Pending",
 425         "Target not specified",
 426         "Scaling not supported"
 427 };
 428
 429 static bool psb_intel_sdvo_write_cmd(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd,
 430                                  const void *args, int args_len)
 431 {
 432         u8 buf[args_len*2 + 2], status;
 433         struct i2c_msg msgs[args_len + 3];
 434         int i, ret;
 435
 436         psb_intel_sdvo_debug_write(psb_intel_sdvo, cmd, args, args_len);
 437
 438         for (i = 0; i < args_len; i++) {
 439                 msgs[i].addr = psb_intel_sdvo->slave_addr;
 440                 msgs[i].flags = 0;
 441                 msgs[i].len = 2;
 442                 msgs[i].buf = buf + 2 *i;
 443                 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
 444                 buf[2*i + 1] = ((u8*)args)[i];
 445         }
 446         msgs[i].addr = psb_intel_sdvo->slave_addr;
 447         msgs[i].flags = 0;
 448         msgs[i].len = 2;
 449         msgs[i].buf = buf + 2*i;
 450         buf[2*i + 0] = SDVO_I2C_OPCODE;
 451         buf[2*i + 1] = cmd;
 452
 453         /* the following two are to read the response */
 454         status = SDVO_I2C_CMD_STATUS;
 455         msgs[i+1].addr = psb_intel_sdvo->slave_addr;
 456         msgs[i+1].flags = 0;
 457         msgs[i+1].len = 1;
 458         msgs[i+1].buf = &status;
 459
 460         msgs[i+2].addr = psb_intel_sdvo->slave_addr;
 461         msgs[i+2].flags = I2C_M_RD;
 462         msgs[i+2].len = 1;
 463         msgs[i+2].buf = &status;
 464
 465         ret = i2c_transfer(psb_intel_sdvo->i2c, msgs, i+3);
 466         if (ret < 0) {
 467                 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
 468                 return false;
 469         }
 470         if (ret != i+3) {
 471                 /* failure in I2C transfer */
 472                 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
 473                 return false;
 474         }
 475
 476         return true;
 477 }
 478
 479 static bool psb_intel_sdvo_read_response(struct psb_intel_sdvo *psb_intel_sdvo,
 480                                      void *response, int response_len)
 481 {
 482         u8 retry = 5;
 483         u8 status;
 484         int i;
 485
 486         DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(psb_intel_sdvo));
 487
 488         /*
 489          * The documentation states that all commands will be
 490          * processed within 15µs, and that we need only poll
 491          * the status byte a maximum of 3 times in order for the
 492          * command to be complete.
 493          *
 494          * Check 5 times in case the hardware failed to read the docs.
 495          */
 496         if (!psb_intel_sdvo_read_byte(psb_intel_sdvo,
 497                                   SDVO_I2C_CMD_STATUS,
 498                                   &status))
 499                 goto log_fail;
 500
 501         while (status == SDVO_CMD_STATUS_PENDING && retry--) {
 502                 udelay(15);
 503                 if (!psb_intel_sdvo_read_byte(psb_intel_sdvo,
 504                                           SDVO_I2C_CMD_STATUS,
 505                                           &status))
 506                         goto log_fail;
 507         }
 508
 509         if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
 510                 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
 511         else
 512                 DRM_LOG_KMS("(??? %d)", status);
 513
 514         if (status != SDVO_CMD_STATUS_SUCCESS)
 515                 goto log_fail;
 516
 517         /* Read the command response */
 518         for (i = 0; i < response_len; i++) {
 519                 if (!psb_intel_sdvo_read_byte(psb_intel_sdvo,
 520                                           SDVO_I2C_RETURN_0 + i,
 521                                           &((u8 *)response)[i]))
 522                         goto log_fail;
 523                 DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
 524         }
 525         DRM_LOG_KMS("\n");
 526         return true;
 527
 528 log_fail:
 529         DRM_LOG_KMS("... failed\n");
 530         return false;
 531 }
 532
 533 static int psb_intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
 534 {
 535         if (mode->clock >= 100000)
 536                 return 1;
 537         else if (mode->clock >= 50000)
 538                 return 2;
 539         else
 540                 return 4;
 541 }
 542
 543 static bool psb_intel_sdvo_set_control_bus_switch(struct psb_intel_sdvo *psb_intel_sdvo,
 544                                               u8 ddc_bus)
 545 {
 546         /* This must be the immediately preceding write before the i2c xfer */
 547         return psb_intel_sdvo_write_cmd(psb_intel_sdvo,
 548                                     SDVO_CMD_SET_CONTROL_BUS_SWITCH,
 549                                     &ddc_bus, 1);
 550 }
 551
 552 static bool psb_intel_sdvo_set_value(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd, const void *data, int len)
 553 {
 554         if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo, cmd, data, len))
 555                 return false;
 556
 557         return psb_intel_sdvo_read_response(psb_intel_sdvo, NULL, 0);
 558 }
 559
 560 static bool
 561 psb_intel_sdvo_get_value(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd, void *value, int len)
 562 {
 563         if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo, cmd, NULL, 0))
 564                 return false;
 565
 566         return psb_intel_sdvo_read_response(psb_intel_sdvo, value, len);
 567 }
 568
 569 static bool psb_intel_sdvo_set_target_input(struct psb_intel_sdvo *psb_intel_sdvo)
 570 {
 571         struct psb_intel_sdvo_set_target_input_args targets = {0};
 572         return psb_intel_sdvo_set_value(psb_intel_sdvo,
 573                                     SDVO_CMD_SET_TARGET_INPUT,
 574                                     &targets, sizeof(targets));
 575 }
 576
 577 /**
 578  * Return whether each input is trained.
 579  *
 580  * This function is making an assumption about the layout of the response,
 581  * which should be checked against the docs.
 582  */
 583 static bool psb_intel_sdvo_get_trained_inputs(struct psb_intel_sdvo *psb_intel_sdvo, bool *input_1, bool *input_2)
 584 {
 585         struct psb_intel_sdvo_get_trained_inputs_response response;
 586
 587         BUILD_BUG_ON(sizeof(response) != 1);
 588         if (!psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
 589                                   &response, sizeof(response)))
 590                 return false;
 591
 592         *input_1 = response.input0_trained;
 593         *input_2 = response.input1_trained;
 594         return true;
 595 }
 596
 597 static bool psb_intel_sdvo_set_active_outputs(struct psb_intel_sdvo *psb_intel_sdvo,
 598                                           u16 outputs)
 599 {
 600         return psb_intel_sdvo_set_value(psb_intel_sdvo,
 601                                     SDVO_CMD_SET_ACTIVE_OUTPUTS,
 602                                     &outputs, sizeof(outputs));
 603 }
 604
 605 static bool psb_intel_sdvo_set_encoder_power_state(struct psb_intel_sdvo *psb_intel_sdvo,
 606                                                int mode)
 607 {
 608         u8 state = SDVO_ENCODER_STATE_ON;
 609
 610         switch (mode) {
 611         case DRM_MODE_DPMS_ON:
 612                 state = SDVO_ENCODER_STATE_ON;
 613                 break;
 614         case DRM_MODE_DPMS_STANDBY:
 615                 state = SDVO_ENCODER_STATE_STANDBY;
 616                 break;
 617         case DRM_MODE_DPMS_SUSPEND:
 618                 state = SDVO_ENCODER_STATE_SUSPEND;
 619                 break;
 620         case DRM_MODE_DPMS_OFF:
 621                 state = SDVO_ENCODER_STATE_OFF;
 622                 break;
 623         }
 624
 625         return psb_intel_sdvo_set_value(psb_intel_sdvo,
 626                                     SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
 627 }
 628
 629 static bool psb_intel_sdvo_get_input_pixel_clock_range(struct psb_intel_sdvo *psb_intel_sdvo,
 630                                                    int *clock_min,
 631                                                    int *clock_max)
 632 {
 633         struct psb_intel_sdvo_pixel_clock_range clocks;
 634
 635         BUILD_BUG_ON(sizeof(clocks) != 4);
 636         if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
 637                                   SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
 638                                   &clocks, sizeof(clocks)))
 639                 return false;
 640
 641         /* Convert the values from units of 10 kHz to kHz. */
 642         *clock_min = clocks.min * 10;
 643         *clock_max = clocks.max * 10;
 644         return true;
 645 }
 646
 647 static bool psb_intel_sdvo_set_target_output(struct psb_intel_sdvo *psb_intel_sdvo,
 648                                          u16 outputs)
 649 {
 650         return psb_intel_sdvo_set_value(psb_intel_sdvo,
 651                                     SDVO_CMD_SET_TARGET_OUTPUT,
 652                                     &outputs, sizeof(outputs));
 653 }
 654
 655 static bool psb_intel_sdvo_set_timing(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd,
 656                                   struct psb_intel_sdvo_dtd *dtd)
 657 {
 658         return psb_intel_sdvo_set_value(psb_intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
 659                 psb_intel_sdvo_set_value(psb_intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
 660 }
 661
 662 static bool psb_intel_sdvo_set_input_timing(struct psb_intel_sdvo *psb_intel_sdvo,
 663                                          struct psb_intel_sdvo_dtd *dtd)
 664 {
 665         return psb_intel_sdvo_set_timing(psb_intel_sdvo,
 666                                      SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
 667 }
 668
 669 static bool psb_intel_sdvo_set_output_timing(struct psb_intel_sdvo *psb_intel_sdvo,
 670                                          struct psb_intel_sdvo_dtd *dtd)
 671 {
 672         return psb_intel_sdvo_set_timing(psb_intel_sdvo,
 673                                      SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
 674 }
 675
 676 static bool
 677 psb_intel_sdvo_create_preferred_input_timing(struct psb_intel_sdvo *psb_intel_sdvo,
 678                                          uint16_t clock,
 679                                          uint16_t width,
 680                                          uint16_t height)
 681 {
 682         struct psb_intel_sdvo_preferred_input_timing_args args;
 683
 684         memset(&args, 0, sizeof(args));
 685         args.clock = clock;
 686         args.width = width;
 687         args.height = height;
 688         args.interlace = 0;
 689
 690         if (psb_intel_sdvo->is_lvds &&
 691            (psb_intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
 692             psb_intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
 693                 args.scaled = 1;
 694
 695         return psb_intel_sdvo_set_value(psb_intel_sdvo,
 696                                     SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
 697                                     &args, sizeof(args));
 698 }
 699
 700 static bool psb_intel_sdvo_get_preferred_input_timing(struct psb_intel_sdvo *psb_intel_sdvo,
 701                                                   struct psb_intel_sdvo_dtd *dtd)
 702 {
 703         BUILD_BUG_ON(sizeof(dtd->part1) != 8);
 704         BUILD_BUG_ON(sizeof(dtd->part2) != 8);
 705         return psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
 706                                     &dtd->part1, sizeof(dtd->part1)) &&
 707                 psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
 708                                      &dtd->part2, sizeof(dtd->part2));
 709 }
 710
 711 static bool psb_intel_sdvo_set_clock_rate_mult(struct psb_intel_sdvo *psb_intel_sdvo, u8 val)
 712 {
 713         return psb_intel_sdvo_set_value(psb_intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
 714 }
 715
 716 static void psb_intel_sdvo_get_dtd_from_mode(struct psb_intel_sdvo_dtd *dtd,
 717                                          const struct drm_display_mode *mode)
 718 {
 719         uint16_t width, height;
 720         uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
 721         uint16_t h_sync_offset, v_sync_offset;
 722
 723         width = mode->crtc_hdisplay;
 724         height = mode->crtc_vdisplay;
 725
 726         /* do some mode translations */
 727         h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
 728         h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
 729
 730         v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
 731         v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
 732
 733         h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
 734         v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
 735
 736         dtd->part1.clock = mode->clock / 10;
 737         dtd->part1.h_active = width & 0xff;
 738         dtd->part1.h_blank = h_blank_len & 0xff;
 739         dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
 740                 ((h_blank_len >> 8) & 0xf);
 741         dtd->part1.v_active = height & 0xff;
 742         dtd->part1.v_blank = v_blank_len & 0xff;
 743         dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
 744                 ((v_blank_len >> 8) & 0xf);
 745
 746         dtd->part2.h_sync_off = h_sync_offset & 0xff;
 747         dtd->part2.h_sync_width = h_sync_len & 0xff;
 748         dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
 749                 (v_sync_len & 0xf);
 750         dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
 751                 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
 752                 ((v_sync_len & 0x30) >> 4);
 753
 754         dtd->part2.dtd_flags = 0x18;
 755         if (mode->flags & DRM_MODE_FLAG_PHSYNC)
 756                 dtd->part2.dtd_flags |= 0x2;
 757         if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 758                 dtd->part2.dtd_flags |= 0x4;
 759
 760         dtd->part2.sdvo_flags = 0;
 761         dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
 762         dtd->part2.reserved = 0;
 763 }
 764
 765 static void psb_intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
 766                                          const struct psb_intel_sdvo_dtd *dtd)
 767 {
 768         mode->hdisplay = dtd->part1.h_active;
 769         mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
 770         mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
 771         mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
 772         mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
 773         mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
 774         mode->htotal = mode->hdisplay + dtd->part1.h_blank;
 775         mode->htotal += (dtd->part1.h_high & 0xf) << 8;
 776
 777         mode->vdisplay = dtd->part1.v_active;
 778         mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
 779         mode->vsync_start = mode->vdisplay;
 780         mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
 781         mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
 782         mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
 783         mode->vsync_end = mode->vsync_start +
 784                 (dtd->part2.v_sync_off_width & 0xf);
 785         mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
 786         mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
 787         mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
 788
 789         mode->clock = dtd->part1.clock * 10;
 790
 791         mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
 792         if (dtd->part2.dtd_flags & 0x2)
 793                 mode->flags |= DRM_MODE_FLAG_PHSYNC;
 794         if (dtd->part2.dtd_flags & 0x4)
 795                 mode->flags |= DRM_MODE_FLAG_PVSYNC;
 796 }
 797
 798 static bool psb_intel_sdvo_check_supp_encode(struct psb_intel_sdvo *psb_intel_sdvo)
 799 {
 800         struct psb_intel_sdvo_encode encode;
 801
 802         BUILD_BUG_ON(sizeof(encode) != 2);
 803         return psb_intel_sdvo_get_value(psb_intel_sdvo,
 804                                   SDVO_CMD_GET_SUPP_ENCODE,
 805                                   &encode, sizeof(encode));
 806 }
 807
 808 static bool psb_intel_sdvo_set_encode(struct psb_intel_sdvo *psb_intel_sdvo,
 809                                   uint8_t mode)
 810 {
 811         return psb_intel_sdvo_set_value(psb_intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
 812 }
 813
 814 static bool psb_intel_sdvo_set_colorimetry(struct psb_intel_sdvo *psb_intel_sdvo,
 815                                        uint8_t mode)
 816 {
 817         return psb_intel_sdvo_set_value(psb_intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
 818 }
 819
 820 #if 0
 821 static void psb_intel_sdvo_dump_hdmi_buf(struct psb_intel_sdvo *psb_intel_sdvo)
 822 {
 823         int i, j;
 824         uint8_t set_buf_index[2];
 825         uint8_t av_split;
 826         uint8_t buf_size;
 827         uint8_t buf[48];
 828         uint8_t *pos;
 829
 830         psb_intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
 831
 832         for (i = 0; i <= av_split; i++) {
 833                 set_buf_index[0] = i; set_buf_index[1] = 0;
 834                 psb_intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
 835                                      set_buf_index, 2);
 836                 psb_intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
 837                 psb_intel_sdvo_read_response(encoder, &buf_size, 1);
 838
 839                 pos = buf;
 840                 for (j = 0; j <= buf_size; j += 8) {
 841                         psb_intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
 842                                              NULL, 0);
 843                         psb_intel_sdvo_read_response(encoder, pos, 8);
 844                         pos += 8;
 845                 }
 846         }
 847 }
 848 #endif
 849
 850 static bool psb_intel_sdvo_set_avi_infoframe(struct psb_intel_sdvo *psb_intel_sdvo)
 851 {
 852         DRM_INFO("HDMI is not supported yet");
 853
 854         return false;
 855 #if 0
 856         struct dip_infoframe avi_if = {
 857                 .type = DIP_TYPE_AVI,
 858                 .ver = DIP_VERSION_AVI,
 859                 .len = DIP_LEN_AVI,
 860         };
 861         uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
 862         uint8_t set_buf_index[2] = { 1, 0 };
 863         uint64_t *data = (uint64_t *)&avi_if;
 864         unsigned i;
 865
 866         intel_dip_infoframe_csum(&avi_if);
 867
 868         if (!psb_intel_sdvo_set_value(psb_intel_sdvo,
 869                                   SDVO_CMD_SET_HBUF_INDEX,
 870                                   set_buf_index, 2))
 871                 return false;
 872
 873         for (i = 0; i < sizeof(avi_if); i += 8) {
 874                 if (!psb_intel_sdvo_set_value(psb_intel_sdvo,
 875                                           SDVO_CMD_SET_HBUF_DATA,
 876                                           data, 8))
 877                         return false;
 878                 data++;
 879         }
 880
 881         return psb_intel_sdvo_set_value(psb_intel_sdvo,
 882                                     SDVO_CMD_SET_HBUF_TXRATE,
 883                                     &tx_rate, 1);
 884 #endif
 885 }
 886
 887 static bool psb_intel_sdvo_set_tv_format(struct psb_intel_sdvo *psb_intel_sdvo)
 888 {
 889         struct psb_intel_sdvo_tv_format format;
 890         uint32_t format_map;
 891
 892         format_map = 1 << psb_intel_sdvo->tv_format_index;
 893         memset(&format, 0, sizeof(format));
 894         memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
 895
 896         BUILD_BUG_ON(sizeof(format) != 6);
 897         return psb_intel_sdvo_set_value(psb_intel_sdvo,
 898                                     SDVO_CMD_SET_TV_FORMAT,
 899                                     &format, sizeof(format));
 900 }
 901
 902 static bool
 903 psb_intel_sdvo_set_output_timings_from_mode(struct psb_intel_sdvo *psb_intel_sdvo,
 904                                         const struct drm_display_mode *mode)
 905 {
 906         struct psb_intel_sdvo_dtd output_dtd;
 907
 908         if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo,
 909                                           psb_intel_sdvo->attached_output))
 910                 return false;
 911
 912         psb_intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
 913         if (!psb_intel_sdvo_set_output_timing(psb_intel_sdvo, &output_dtd))
 914                 return false;
 915
 916         return true;
 917 }
 918
 919 static bool
 920 psb_intel_sdvo_set_input_timings_for_mode(struct psb_intel_sdvo *psb_intel_sdvo,
 921                                         const struct drm_display_mode *mode,
 922                                         struct drm_display_mode *adjusted_mode)
 923 {
 924         /* Reset the input timing to the screen. Assume always input 0. */
 925         if (!psb_intel_sdvo_set_target_input(psb_intel_sdvo))
 926                 return false;
 927
 928         if (!psb_intel_sdvo_create_preferred_input_timing(psb_intel_sdvo,
 929                                                       mode->clock / 10,
 930                                                       mode->hdisplay,
 931                                                       mode->vdisplay))
 932                 return false;
 933
 934         if (!psb_intel_sdvo_get_preferred_input_timing(psb_intel_sdvo,
 935                                                    &psb_intel_sdvo->input_dtd))
 936                 return false;
 937
 938         psb_intel_sdvo_get_mode_from_dtd(adjusted_mode, &psb_intel_sdvo->input_dtd);
 939
 940         drm_mode_set_crtcinfo(adjusted_mode, 0);
 941         return true;
 942 }
 943
 944 static bool psb_intel_sdvo_mode_fixup(struct drm_encoder *encoder,
 945                                   const struct drm_display_mode *mode,
 946                                   struct drm_display_mode *adjusted_mode)
 947 {
 948         struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder);
 949         int multiplier;
 950
 951         /* We need to construct preferred input timings based on our
 952          * output timings.  To do that, we have to set the output
 953          * timings, even though this isn't really the right place in
 954          * the sequence to do it. Oh well.
 955          */
 956         if (psb_intel_sdvo->is_tv) {
 957                 if (!psb_intel_sdvo_set_output_timings_from_mode(psb_intel_sdvo, mode))
 958                         return false;
 959
 960                 (void) psb_intel_sdvo_set_input_timings_for_mode(psb_intel_sdvo,
 961                                                              mode,
 962                                                              adjusted_mode);
 963         } else if (psb_intel_sdvo->is_lvds) {
 964                 if (!psb_intel_sdvo_set_output_timings_from_mode(psb_intel_sdvo,
 965                                                              psb_intel_sdvo->sdvo_lvds_fixed_mode))
 966                         return false;
 967
 968                 (void) psb_intel_sdvo_set_input_timings_for_mode(psb_intel_sdvo,
 969                                                              mode,
 970                                                              adjusted_mode);
 971         }
 972
 973         /* Make the CRTC code factor in the SDVO pixel multiplier.  The
 974          * SDVO device will factor out the multiplier during mode_set.
 975          */
 976         multiplier = psb_intel_sdvo_get_pixel_multiplier(adjusted_mode);
 977         psb_intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
 978
 979         return true;
 980 }
 981
 982 static void psb_intel_sdvo_mode_set(struct drm_encoder *encoder,
 983                                 struct drm_display_mode *mode,
 984                                 struct drm_display_mode *adjusted_mode)
 985 {
 986         struct drm_device *dev = encoder->dev;
 987         struct drm_crtc *crtc = encoder->crtc;
 988         struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
 989         struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder);
 990         u32 sdvox;
 991         struct psb_intel_sdvo_in_out_map in_out;
 992         struct psb_intel_sdvo_dtd input_dtd;
 993         int pixel_multiplier = psb_intel_mode_get_pixel_multiplier(adjusted_mode);
 994         int rate;
 995
 996         if (!mode)
 997                 return;
 998
 999         /* First, set the input mapping for the first input to our controlled
1000          * output. This is only correct if we're a single-input device, in
1001          * which case the first input is the output from the appropriate SDVO
1002          * channel on the motherboard.  In a two-input device, the first input
1003          * will be SDVOB and the second SDVOC.
1004          */
1005         in_out.in0 = psb_intel_sdvo->attached_output;
1006         in_out.in1 = 0;
1007
1008         psb_intel_sdvo_set_value(psb_intel_sdvo,
1009                              SDVO_CMD_SET_IN_OUT_MAP,
1010                              &in_out, sizeof(in_out));
1011
1012         /* Set the output timings to the screen */
1013         if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo,
1014                                           psb_intel_sdvo->attached_output))
1015                 return;
1016
1017         /* We have tried to get input timing in mode_fixup, and filled into
1018          * adjusted_mode.
1019          */
1020         if (psb_intel_sdvo->is_tv || psb_intel_sdvo->is_lvds) {
1021                 input_dtd = psb_intel_sdvo->input_dtd;
1022         } else {
1023                 /* Set the output timing to the screen */
1024                 if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo,
1025                                                   psb_intel_sdvo->attached_output))
1026                         return;
1027
1028                 psb_intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1029                 (void) psb_intel_sdvo_set_output_timing(psb_intel_sdvo, &input_dtd);
1030         }
1031
1032         /* Set the input timing to the screen. Assume always input 0. */
1033         if (!psb_intel_sdvo_set_target_input(psb_intel_sdvo))
1034                 return;
1035
1036         if (psb_intel_sdvo->has_hdmi_monitor) {
1037                 psb_intel_sdvo_set_encode(psb_intel_sdvo, SDVO_ENCODE_HDMI);
1038                 psb_intel_sdvo_set_colorimetry(psb_intel_sdvo,
1039                                            SDVO_COLORIMETRY_RGB256);
1040                 psb_intel_sdvo_set_avi_infoframe(psb_intel_sdvo);
1041         } else
1042                 psb_intel_sdvo_set_encode(psb_intel_sdvo, SDVO_ENCODE_DVI);
1043
1044         if (psb_intel_sdvo->is_tv &&
1045             !psb_intel_sdvo_set_tv_format(psb_intel_sdvo))
1046                 return;
1047
1048         (void) psb_intel_sdvo_set_input_timing(psb_intel_sdvo, &input_dtd);
1049
1050         switch (pixel_multiplier) {
1051         default:
1052         case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1053         case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1054         case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1055         }
1056         if (!psb_intel_sdvo_set_clock_rate_mult(psb_intel_sdvo, rate))
1057                 return;
1058
1059         /* Set the SDVO control regs. */
1060         sdvox = REG_READ(psb_intel_sdvo->sdvo_reg);
1061         switch (psb_intel_sdvo->sdvo_reg) {
1062         case SDVOB:
1063                 sdvox &= SDVOB_PRESERVE_MASK;
1064                 break;
1065         case SDVOC:
1066                 sdvox &= SDVOC_PRESERVE_MASK;
1067                 break;
1068         }
1069         sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1070
1071         if (psb_intel_crtc->pipe == 1)
1072                 sdvox |= SDVO_PIPE_B_SELECT;
1073         if (psb_intel_sdvo->has_hdmi_audio)
1074                 sdvox |= SDVO_AUDIO_ENABLE;
1075
1076         /* FIXME: Check if this is needed for PSB
1077         sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1078         */
1079
1080         if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL)
1081                 sdvox |= SDVO_STALL_SELECT;
1082         psb_intel_sdvo_write_sdvox(psb_intel_sdvo, sdvox);
1083 }
1084
1085 static void psb_intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1086 {
1087         struct drm_device *dev = encoder->dev;
1088         struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder);
1089         u32 temp;
1090
1091         switch (mode) {
1092         case DRM_MODE_DPMS_ON:
1093                 DRM_DEBUG("DPMS_ON");
1094                 break;
1095         case DRM_MODE_DPMS_OFF:
1096                 DRM_DEBUG("DPMS_OFF");
1097                 break;
1098         default:
1099                 DRM_DEBUG("DPMS: %d", mode);
1100         }
1101
1102         if (mode != DRM_MODE_DPMS_ON) {
1103                 psb_intel_sdvo_set_active_outputs(psb_intel_sdvo, 0);
1104                 if (0)
1105                         psb_intel_sdvo_set_encoder_power_state(psb_intel_sdvo, mode);
1106
1107                 if (mode == DRM_MODE_DPMS_OFF) {
1108                         temp = REG_READ(psb_intel_sdvo->sdvo_reg);
1109                         if ((temp & SDVO_ENABLE) != 0) {
1110                                 psb_intel_sdvo_write_sdvox(psb_intel_sdvo, temp & ~SDVO_ENABLE);
1111                         }
1112                 }
1113         } else {
1114                 bool input1, input2;
1115                 int i;
1116                 u8 status;
1117
1118                 temp = REG_READ(psb_intel_sdvo->sdvo_reg);
1119                 if ((temp & SDVO_ENABLE) == 0)
1120                         psb_intel_sdvo_write_sdvox(psb_intel_sdvo, temp | SDVO_ENABLE);
1121                 for (i = 0; i < 2; i++)
1122                         psb_intel_wait_for_vblank(dev);
1123
1124                 status = psb_intel_sdvo_get_trained_inputs(psb_intel_sdvo, &input1, &input2);
1125                 /* Warn if the device reported failure to sync.
1126                  * A lot of SDVO devices fail to notify of sync, but it's
1127                  * a given it the status is a success, we succeeded.
1128                  */
1129                 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1130                         DRM_DEBUG_KMS("First %s output reported failure to "
1131                                         "sync\n", SDVO_NAME(psb_intel_sdvo));
1132                 }
1133
1134                 if (0)
1135                         psb_intel_sdvo_set_encoder_power_state(psb_intel_sdvo, mode);
1136                 psb_intel_sdvo_set_active_outputs(psb_intel_sdvo, psb_intel_sdvo->attached_output);
1137         }
1138         return;
1139 }
1140
1141 static int psb_intel_sdvo_mode_valid(struct drm_connector *connector,
1142                                  struct drm_display_mode *mode)
1143 {
1144         struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1145
1146         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1147                 return MODE_NO_DBLESCAN;
1148
1149         if (psb_intel_sdvo->pixel_clock_min > mode->clock)
1150                 return MODE_CLOCK_LOW;
1151
1152         if (psb_intel_sdvo->pixel_clock_max < mode->clock)
1153                 return MODE_CLOCK_HIGH;
1154
1155         if (psb_intel_sdvo->is_lvds) {
1156                 if (mode->hdisplay > psb_intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1157                         return MODE_PANEL;
1158
1159                 if (mode->vdisplay > psb_intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1160                         return MODE_PANEL;
1161         }
1162
1163         return MODE_OK;
1164 }
1165
1166 static bool psb_intel_sdvo_get_capabilities(struct psb_intel_sdvo *psb_intel_sdvo, struct psb_intel_sdvo_caps *caps)
1167 {
1168         BUILD_BUG_ON(sizeof(*caps) != 8);
1169         if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
1170                                   SDVO_CMD_GET_DEVICE_CAPS,
1171                                   caps, sizeof(*caps)))
1172                 return false;
1173
1174         DRM_DEBUG_KMS("SDVO capabilities:\n"
1175                       "  vendor_id: %d\n"
1176                       "  device_id: %d\n"
1177                       "  device_rev_id: %d\n"
1178                       "  sdvo_version_major: %d\n"
1179                       "  sdvo_version_minor: %d\n"
1180                       "  sdvo_inputs_mask: %d\n"
1181                       "  smooth_scaling: %d\n"
1182                       "  sharp_scaling: %d\n"
1183                       "  up_scaling: %d\n"
1184                       "  down_scaling: %d\n"
1185                       "  stall_support: %d\n"
1186                       "  output_flags: %d\n",
1187                       caps->vendor_id,
1188                       caps->device_id,
1189                       caps->device_rev_id,
1190                       caps->sdvo_version_major,
1191                       caps->sdvo_version_minor,
1192                       caps->sdvo_inputs_mask,
1193                       caps->smooth_scaling,
1194                       caps->sharp_scaling,
1195                       caps->up_scaling,
1196                       caps->down_scaling,
1197                       caps->stall_support,
1198                       caps->output_flags);
1199
1200         return true;
1201 }
1202
1203 /* No use! */
1204 #if 0
1205 struct drm_connector* psb_intel_sdvo_find(struct drm_device *dev, int sdvoB)
1206 {
1207         struct drm_connector *connector = NULL;
1208         struct psb_intel_sdvo *iout = NULL;
1209         struct psb_intel_sdvo *sdvo;
1210
1211         /* find the sdvo connector */
1212         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1213                 iout = to_psb_intel_sdvo(connector);
1214
1215                 if (iout->type != INTEL_OUTPUT_SDVO)
1216                         continue;
1217
1218                 sdvo = iout->dev_priv;
1219
1220                 if (sdvo->sdvo_reg == SDVOB && sdvoB)
1221                         return connector;
1222
1223                 if (sdvo->sdvo_reg == SDVOC && !sdvoB)
1224                         return connector;
1225
1226         }
1227
1228         return NULL;
1229 }
1230
1231 int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector)
1232 {
1233         u8 response[2];
1234         u8 status;
1235         struct psb_intel_sdvo *psb_intel_sdvo;
1236         DRM_DEBUG_KMS("\n");
1237
1238         if (!connector)
1239                 return 0;
1240
1241         psb_intel_sdvo = to_psb_intel_sdvo(connector);
1242
1243         return psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1244                                     &response, 2) && response[0];
1245 }
1246
1247 void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
1248 {
1249         u8 response[2];
1250         u8 status;
1251         struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(connector);
1252
1253         psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1254         psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2);
1255
1256         if (on) {
1257                 psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
1258                 status = psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2);
1259
1260                 psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1261         } else {
1262                 response[0] = 0;
1263                 response[1] = 0;
1264                 psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1265         }
1266
1267         psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1268         psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2);
1269 }
1270 #endif
1271
1272 static bool
1273 psb_intel_sdvo_multifunc_encoder(struct psb_intel_sdvo *psb_intel_sdvo)
1274 {
1275         /* Is there more than one type of output? */
1276         int caps = psb_intel_sdvo->caps.output_flags & 0xf;
1277         return caps & -caps;
1278 }
1279
1280 static struct edid *
1281 psb_intel_sdvo_get_edid(struct drm_connector *connector)
1282 {
1283         struct psb_intel_sdvo *sdvo = intel_attached_sdvo(connector);
1284         return drm_get_edid(connector, &sdvo->ddc);
1285 }
1286
1287 /* Mac mini hack -- use the same DDC as the analog connector */
1288 static struct edid *
1289 psb_intel_sdvo_get_analog_edid(struct drm_connector *connector)
1290 {
1291         struct drm_psb_private *dev_priv = connector->dev->dev_private;
1292
1293         return drm_get_edid(connector,
1294                             &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
1295         return NULL;
1296 }
1297
1298 static enum drm_connector_status
1299 psb_intel_sdvo_hdmi_sink_detect(struct drm_connector *connector)
1300 {
1301         struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1302         enum drm_connector_status status;
1303         struct edid *edid;
1304
1305         edid = psb_intel_sdvo_get_edid(connector);
1306
1307         if (edid == NULL && psb_intel_sdvo_multifunc_encoder(psb_intel_sdvo)) {
1308                 u8 ddc, saved_ddc = psb_intel_sdvo->ddc_bus;
1309
1310                 /*
1311                  * Don't use the 1 as the argument of DDC bus switch to get
1312                  * the EDID. It is used for SDVO SPD ROM.
1313                  */
1314                 for (ddc = psb_intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1315                         psb_intel_sdvo->ddc_bus = ddc;
1316                         edid = psb_intel_sdvo_get_edid(connector);
1317                         if (edid)
1318                                 break;
1319                 }
1320                 /*
1321                  * If we found the EDID on the other bus,
1322                  * assume that is the correct DDC bus.
1323                  */
1324                 if (edid == NULL)
1325                         psb_intel_sdvo->ddc_bus = saved_ddc;
1326         }
1327
1328         /*
1329          * When there is no edid and no monitor is connected with VGA
1330          * port, try to use the CRT ddc to read the EDID for DVI-connector.
1331          */
1332         if (edid == NULL)
1333                 edid = psb_intel_sdvo_get_analog_edid(connector);
1334
1335         status = connector_status_unknown;
1336         if (edid != NULL) {
1337                 /* DDC bus is shared, match EDID to connector type */
1338                 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1339                         status = connector_status_connected;
1340                         if (psb_intel_sdvo->is_hdmi) {
1341                                 psb_intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1342                                 psb_intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1343                         }
1344                 } else
1345                         status = connector_status_disconnected;
1346                 connector->display_info.raw_edid = NULL;
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                         connector->display_info.raw_edid = NULL;
1408                         kfree(edid);
1409                 } else
1410                         ret = connector_status_connected;
1411         }
1412
1413         /* May update encoder flag for like clock for SDVO TV, etc.*/
1414         if (ret == connector_status_connected) {
1415                 psb_intel_sdvo->is_tv = false;
1416                 psb_intel_sdvo->is_lvds = false;
1417                 psb_intel_sdvo->base.needs_tv_clock = false;
1418
1419                 if (response & SDVO_TV_MASK) {
1420                         psb_intel_sdvo->is_tv = true;
1421                         psb_intel_sdvo->base.needs_tv_clock = true;
1422                 }
1423                 if (response & SDVO_LVDS_MASK)
1424                         psb_intel_sdvo->is_lvds = psb_intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1425         }
1426
1427         return ret;
1428 }
1429
1430 static void psb_intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1431 {
1432         struct edid *edid;
1433
1434         /* set the bus switch and get the modes */
1435         edid = psb_intel_sdvo_get_edid(connector);
1436
1437         /*
1438          * Mac mini hack.  On this device, the DVI-I connector shares one DDC
1439          * link between analog and digital outputs. So, if the regular SDVO
1440          * DDC fails, check to see if the analog output is disconnected, in
1441          * which case we'll look there for the digital DDC data.
1442          */
1443         if (edid == NULL)
1444                 edid = psb_intel_sdvo_get_analog_edid(connector);
1445
1446         if (edid != NULL) {
1447                 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1448                 bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1449                 bool connector_is_digital = !!IS_TMDS(psb_intel_sdvo_connector);
1450
1451                 if (connector_is_digital == monitor_is_digital) {
1452                         drm_mode_connector_update_edid_property(connector, edid);
1453                         drm_add_edid_modes(connector, edid);
1454                 }
1455
1456                 connector->display_info.raw_edid = NULL;
1457                 kfree(edid);
1458         }
1459 }
1460
1461 /*
1462  * Set of SDVO TV modes.
1463  * Note!  This is in reply order (see loop in get_tv_modes).
1464  * XXX: all 60Hz refresh?
1465  */
1466 static const struct drm_display_mode sdvo_tv_modes[] = {
1467         { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1468                    416, 0, 200, 201, 232, 233, 0,
1469                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1470         { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1471                    416, 0, 240, 241, 272, 273, 0,
1472                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1473         { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1474                    496, 0, 300, 301, 332, 333, 0,
1475                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1476         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1477                    736, 0, 350, 351, 382, 383, 0,
1478                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1479         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1480                    736, 0, 400, 401, 432, 433, 0,
1481                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1482         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1483                    736, 0, 480, 481, 512, 513, 0,
1484                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1485         { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1486                    800, 0, 480, 481, 512, 513, 0,
1487                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1488         { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1489                    800, 0, 576, 577, 608, 609, 0,
1490                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1491         { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1492                    816, 0, 350, 351, 382, 383, 0,
1493                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1494         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1495                    816, 0, 400, 401, 432, 433, 0,
1496                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1497         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1498                    816, 0, 480, 481, 512, 513, 0,
1499                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1500         { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1501                    816, 0, 540, 541, 572, 573, 0,
1502                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1503         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1504                    816, 0, 576, 577, 608, 609, 0,
1505                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1506         { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1507                    864, 0, 576, 577, 608, 609, 0,
1508                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1509         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1510                    896, 0, 600, 601, 632, 633, 0,
1511                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1512         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1513                    928, 0, 624, 625, 656, 657, 0,
1514                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1515         { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1516                    1016, 0, 766, 767, 798, 799, 0,
1517                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1518         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1519                    1120, 0, 768, 769, 800, 801, 0,
1520                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1521         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1522                    1376, 0, 1024, 1025, 1056, 1057, 0,
1523                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1524 };
1525
1526 static void psb_intel_sdvo_get_tv_modes(struct drm_connector *connector)
1527 {
1528         struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1529         struct psb_intel_sdvo_sdtv_resolution_request tv_res;
1530         uint32_t reply = 0, format_map = 0;
1531         int i;
1532
1533         /* Read the list of supported input resolutions for the selected TV
1534          * format.
1535          */
1536         format_map = 1 << psb_intel_sdvo->tv_format_index;
1537         memcpy(&tv_res, &format_map,
1538                min(sizeof(format_map), sizeof(struct psb_intel_sdvo_sdtv_resolution_request)));
1539
1540         if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo, psb_intel_sdvo->attached_output))
1541                 return;
1542
1543         BUILD_BUG_ON(sizeof(tv_res) != 3);
1544         if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo,
1545                                   SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1546                                   &tv_res, sizeof(tv_res)))
1547                 return;
1548         if (!psb_intel_sdvo_read_response(psb_intel_sdvo, &reply, 3))
1549                 return;
1550
1551         for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1552                 if (reply & (1 << i)) {
1553                         struct drm_display_mode *nmode;
1554                         nmode = drm_mode_duplicate(connector->dev,
1555                                                    &sdvo_tv_modes[i]);
1556                         if (nmode)
1557                                 drm_mode_probed_add(connector, nmode);
1558                 }
1559 }
1560
1561 static void psb_intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1562 {
1563         struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1564         struct drm_psb_private *dev_priv = connector->dev->dev_private;
1565         struct drm_display_mode *newmode;
1566
1567         /*
1568          * Attempt to get the mode list from DDC.
1569          * Assume that the preferred modes are
1570          * arranged in priority order.
1571          */
1572         psb_intel_ddc_get_modes(connector, psb_intel_sdvo->i2c);
1573         if (list_empty(&connector->probed_modes) == false)
1574                 goto end;
1575
1576         /* Fetch modes from VBT */
1577         if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1578                 newmode = drm_mode_duplicate(connector->dev,
1579                                              dev_priv->sdvo_lvds_vbt_mode);
1580                 if (newmode != NULL) {
1581                         /* Guarantee the mode is preferred */
1582                         newmode->type = (DRM_MODE_TYPE_PREFERRED |
1583                                          DRM_MODE_TYPE_DRIVER);
1584                         drm_mode_probed_add(connector, newmode);
1585                 }
1586         }
1587
1588 end:
1589         list_for_each_entry(newmode, &connector->probed_modes, head) {
1590                 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1591                         psb_intel_sdvo->sdvo_lvds_fixed_mode =
1592                                 drm_mode_duplicate(connector->dev, newmode);
1593
1594                         drm_mode_set_crtcinfo(psb_intel_sdvo->sdvo_lvds_fixed_mode,
1595                                               0);
1596
1597                         psb_intel_sdvo->is_lvds = true;
1598                         break;
1599                 }
1600         }
1601
1602 }
1603
1604 static int psb_intel_sdvo_get_modes(struct drm_connector *connector)
1605 {
1606         struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1607
1608         if (IS_TV(psb_intel_sdvo_connector))
1609                 psb_intel_sdvo_get_tv_modes(connector);
1610         else if (IS_LVDS(psb_intel_sdvo_connector))
1611                 psb_intel_sdvo_get_lvds_modes(connector);
1612         else
1613                 psb_intel_sdvo_get_ddc_modes(connector);
1614
1615         return !list_empty(&connector->probed_modes);
1616 }
1617
1618 static void
1619 psb_intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1620 {
1621         struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1622         struct drm_device *dev = connector->dev;
1623
1624         if (psb_intel_sdvo_connector->left)
1625                 drm_property_destroy(dev, psb_intel_sdvo_connector->left);
1626         if (psb_intel_sdvo_connector->right)
1627                 drm_property_destroy(dev, psb_intel_sdvo_connector->right);
1628         if (psb_intel_sdvo_connector->top)
1629                 drm_property_destroy(dev, psb_intel_sdvo_connector->top);
1630         if (psb_intel_sdvo_connector->bottom)
1631                 drm_property_destroy(dev, psb_intel_sdvo_connector->bottom);
1632         if (psb_intel_sdvo_connector->hpos)
1633                 drm_property_destroy(dev, psb_intel_sdvo_connector->hpos);
1634         if (psb_intel_sdvo_connector->vpos)
1635                 drm_property_destroy(dev, psb_intel_sdvo_connector->vpos);
1636         if (psb_intel_sdvo_connector->saturation)
1637                 drm_property_destroy(dev, psb_intel_sdvo_connector->saturation);
1638         if (psb_intel_sdvo_connector->contrast)
1639                 drm_property_destroy(dev, psb_intel_sdvo_connector->contrast);
1640         if (psb_intel_sdvo_connector->hue)
1641                 drm_property_destroy(dev, psb_intel_sdvo_connector->hue);
1642         if (psb_intel_sdvo_connector->sharpness)
1643                 drm_property_destroy(dev, psb_intel_sdvo_connector->sharpness);
1644         if (psb_intel_sdvo_connector->flicker_filter)
1645                 drm_property_destroy(dev, psb_intel_sdvo_connector->flicker_filter);
1646         if (psb_intel_sdvo_connector->flicker_filter_2d)
1647                 drm_property_destroy(dev, psb_intel_sdvo_connector->flicker_filter_2d);
1648         if (psb_intel_sdvo_connector->flicker_filter_adaptive)
1649                 drm_property_destroy(dev, psb_intel_sdvo_connector->flicker_filter_adaptive);
1650         if (psb_intel_sdvo_connector->tv_luma_filter)
1651                 drm_property_destroy(dev, psb_intel_sdvo_connector->tv_luma_filter);
1652         if (psb_intel_sdvo_connector->tv_chroma_filter)
1653                 drm_property_destroy(dev, psb_intel_sdvo_connector->tv_chroma_filter);
1654         if (psb_intel_sdvo_connector->dot_crawl)
1655                 drm_property_destroy(dev, psb_intel_sdvo_connector->dot_crawl);
1656         if (psb_intel_sdvo_connector->brightness)
1657                 drm_property_destroy(dev, psb_intel_sdvo_connector->brightness);
1658 }
1659
1660 static void psb_intel_sdvo_destroy(struct drm_connector *connector)
1661 {
1662         struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1663
1664         if (psb_intel_sdvo_connector->tv_format)
1665                 drm_property_destroy(connector->dev,
1666                                      psb_intel_sdvo_connector->tv_format);
1667
1668         psb_intel_sdvo_destroy_enhance_property(connector);
1669         drm_sysfs_connector_remove(connector);
1670         drm_connector_cleanup(connector);
1671         kfree(connector);
1672 }
1673
1674 static bool psb_intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
1675 {
1676         struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1677         struct edid *edid;
1678         bool has_audio = false;
1679
1680         if (!psb_intel_sdvo->is_hdmi)
1681                 return false;
1682
1683         edid = psb_intel_sdvo_get_edid(connector);
1684         if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
1685                 has_audio = drm_detect_monitor_audio(edid);
1686
1687         return has_audio;
1688 }
1689
1690 static int
1691 psb_intel_sdvo_set_property(struct drm_connector *connector,
1692                         struct drm_property *property,
1693                         uint64_t val)
1694 {
1695         struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1696         struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1697         struct drm_psb_private *dev_priv = connector->dev->dev_private;
1698         uint16_t temp_value;
1699         uint8_t cmd;
1700         int ret;
1701
1702         ret = drm_connector_property_set_value(connector, property, val);
1703         if (ret)
1704                 return ret;
1705
1706         if (property == dev_priv->force_audio_property) {
1707                 int i = val;
1708                 bool has_audio;
1709
1710                 if (i == psb_intel_sdvo_connector->force_audio)
1711                         return 0;
1712
1713                 psb_intel_sdvo_connector->force_audio = i;
1714
1715                 if (i == 0)
1716                         has_audio = psb_intel_sdvo_detect_hdmi_audio(connector);
1717                 else
1718                         has_audio = i > 0;
1719
1720                 if (has_audio == psb_intel_sdvo->has_hdmi_audio)
1721                         return 0;
1722
1723                 psb_intel_sdvo->has_hdmi_audio = has_audio;
1724                 goto done;
1725         }
1726
1727         if (property == dev_priv->broadcast_rgb_property) {
1728                 if (val == !!psb_intel_sdvo->color_range)
1729                         return 0;
1730
1731                 psb_intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
1732                 goto done;
1733         }
1734
1735 #define CHECK_PROPERTY(name, NAME) \
1736         if (psb_intel_sdvo_connector->name == property) { \
1737                 if (psb_intel_sdvo_connector->cur_##name == temp_value) return 0; \
1738                 if (psb_intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1739                 cmd = SDVO_CMD_SET_##NAME; \
1740                 psb_intel_sdvo_connector->cur_##name = temp_value; \
1741                 goto set_value; \
1742         }
1743
1744         if (property == psb_intel_sdvo_connector->tv_format) {
1745                 if (val >= TV_FORMAT_NUM)
1746                         return -EINVAL;
1747
1748                 if (psb_intel_sdvo->tv_format_index ==
1749                     psb_intel_sdvo_connector->tv_format_supported[val])
1750                         return 0;
1751
1752                 psb_intel_sdvo->tv_format_index = psb_intel_sdvo_connector->tv_format_supported[val];
1753                 goto done;
1754         } else if (IS_TV_OR_LVDS(psb_intel_sdvo_connector)) {
1755                 temp_value = val;
1756                 if (psb_intel_sdvo_connector->left == property) {
1757                         drm_connector_property_set_value(connector,
1758                                                          psb_intel_sdvo_connector->right, val);
1759                         if (psb_intel_sdvo_connector->left_margin == temp_value)
1760                                 return 0;
1761
1762                         psb_intel_sdvo_connector->left_margin = temp_value;
1763                         psb_intel_sdvo_connector->right_margin = temp_value;
1764                         temp_value = psb_intel_sdvo_connector->max_hscan -
1765                                 psb_intel_sdvo_connector->left_margin;
1766                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1767                         goto set_value;
1768                 } else if (psb_intel_sdvo_connector->right == property) {
1769                         drm_connector_property_set_value(connector,
1770                                                          psb_intel_sdvo_connector->left, val);
1771                         if (psb_intel_sdvo_connector->right_margin == temp_value)
1772                                 return 0;
1773
1774                         psb_intel_sdvo_connector->left_margin = temp_value;
1775                         psb_intel_sdvo_connector->right_margin = temp_value;
1776                         temp_value = psb_intel_sdvo_connector->max_hscan -
1777                                 psb_intel_sdvo_connector->left_margin;
1778                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1779                         goto set_value;
1780                 } else if (psb_intel_sdvo_connector->top == property) {
1781                         drm_connector_property_set_value(connector,
1782                                                          psb_intel_sdvo_connector->bottom, val);
1783                         if (psb_intel_sdvo_connector->top_margin == temp_value)
1784                                 return 0;
1785
1786                         psb_intel_sdvo_connector->top_margin = temp_value;
1787                         psb_intel_sdvo_connector->bottom_margin = temp_value;
1788                         temp_value = psb_intel_sdvo_connector->max_vscan -
1789                                 psb_intel_sdvo_connector->top_margin;
1790                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1791                         goto set_value;
1792                 } else if (psb_intel_sdvo_connector->bottom == property) {
1793                         drm_connector_property_set_value(connector,
1794                                                          psb_intel_sdvo_connector->top, val);
1795                         if (psb_intel_sdvo_connector->bottom_margin == temp_value)
1796                                 return 0;
1797
1798                         psb_intel_sdvo_connector->top_margin = temp_value;
1799                         psb_intel_sdvo_connector->bottom_margin = temp_value;
1800                         temp_value = psb_intel_sdvo_connector->max_vscan -
1801                                 psb_intel_sdvo_connector->top_margin;
1802                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1803                         goto set_value;
1804                 }
1805                 CHECK_PROPERTY(hpos, HPOS)
1806                 CHECK_PROPERTY(vpos, VPOS)
1807                 CHECK_PROPERTY(saturation, SATURATION)
1808                 CHECK_PROPERTY(contrast, CONTRAST)
1809                 CHECK_PROPERTY(hue, HUE)
1810                 CHECK_PROPERTY(brightness, BRIGHTNESS)
1811                 CHECK_PROPERTY(sharpness, SHARPNESS)
1812                 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1813                 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1814                 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1815                 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1816                 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1817                 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1818         }
1819
1820         return -EINVAL; /* unknown property */
1821
1822 set_value:
1823         if (!psb_intel_sdvo_set_value(psb_intel_sdvo, cmd, &temp_value, 2))
1824                 return -EIO;
1825
1826
1827 done:
1828         if (psb_intel_sdvo->base.base.crtc) {
1829                 struct drm_crtc *crtc = psb_intel_sdvo->base.base.crtc;
1830                 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1831                                          crtc->y, crtc->fb);
1832         }
1833
1834         return 0;
1835 #undef CHECK_PROPERTY
1836 }
1837
1838 static const struct drm_encoder_helper_funcs psb_intel_sdvo_helper_funcs = {
1839         .dpms = psb_intel_sdvo_dpms,
1840         .mode_fixup = psb_intel_sdvo_mode_fixup,
1841         .prepare = psb_intel_encoder_prepare,
1842         .mode_set = psb_intel_sdvo_mode_set,
1843         .commit = psb_intel_encoder_commit,
1844 };
1845
1846 static const struct drm_connector_funcs psb_intel_sdvo_connector_funcs = {
1847         .dpms = drm_helper_connector_dpms,
1848         .detect = psb_intel_sdvo_detect,
1849         .fill_modes = drm_helper_probe_single_connector_modes,
1850         .set_property = psb_intel_sdvo_set_property,
1851         .destroy = psb_intel_sdvo_destroy,
1852 };
1853
1854 static const struct drm_connector_helper_funcs psb_intel_sdvo_connector_helper_funcs = {
1855         .get_modes = psb_intel_sdvo_get_modes,
1856         .mode_valid = psb_intel_sdvo_mode_valid,
1857         .best_encoder = psb_intel_best_encoder,
1858 };
1859
1860 static void psb_intel_sdvo_enc_destroy(struct drm_encoder *encoder)
1861 {
1862         struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder);
1863
1864         if (psb_intel_sdvo->sdvo_lvds_fixed_mode != NULL)
1865                 drm_mode_destroy(encoder->dev,
1866                                  psb_intel_sdvo->sdvo_lvds_fixed_mode);
1867
1868         i2c_del_adapter(&psb_intel_sdvo->ddc);
1869         psb_intel_encoder_destroy(encoder);
1870 }
1871
1872 static const struct drm_encoder_funcs psb_intel_sdvo_enc_funcs = {
1873         .destroy = psb_intel_sdvo_enc_destroy,
1874 };
1875
1876 static void
1877 psb_intel_sdvo_guess_ddc_bus(struct psb_intel_sdvo *sdvo)
1878 {
1879         /* FIXME: At the moment, ddc_bus = 2 is the only thing that works.
1880          * We need to figure out if this is true for all available poulsbo
1881          * hardware, or if we need to fiddle with the guessing code above.
1882          * The problem might go away if we can parse sdvo mappings from bios */
1883         sdvo->ddc_bus = 2;
1884
1885 #if 0
1886         uint16_t mask = 0;
1887         unsigned int num_bits;
1888
1889         /* Make a mask of outputs less than or equal to our own priority in the
1890          * list.
1891          */
1892         switch (sdvo->controlled_output) {
1893         case SDVO_OUTPUT_LVDS1:
1894                 mask |= SDVO_OUTPUT_LVDS1;
1895         case SDVO_OUTPUT_LVDS0:
1896                 mask |= SDVO_OUTPUT_LVDS0;
1897         case SDVO_OUTPUT_TMDS1:
1898                 mask |= SDVO_OUTPUT_TMDS1;
1899         case SDVO_OUTPUT_TMDS0:
1900                 mask |= SDVO_OUTPUT_TMDS0;
1901         case SDVO_OUTPUT_RGB1:
1902                 mask |= SDVO_OUTPUT_RGB1;
1903         case SDVO_OUTPUT_RGB0:
1904                 mask |= SDVO_OUTPUT_RGB0;
1905                 break;
1906         }
1907
1908         /* Count bits to find what number we are in the priority list. */
1909         mask &= sdvo->caps.output_flags;
1910         num_bits = hweight16(mask);
1911         /* If more than 3 outputs, default to DDC bus 3 for now. */
1912         if (num_bits > 3)
1913                 num_bits = 3;
1914
1915         /* Corresponds to SDVO_CONTROL_BUS_DDCx */
1916         sdvo->ddc_bus = 1 << num_bits;
1917 #endif
1918 }
1919
1920 /**
1921  * Choose the appropriate DDC bus for control bus switch command for this
1922  * SDVO output based on the controlled output.
1923  *
1924  * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
1925  * outputs, then LVDS outputs.
1926  */
1927 static void
1928 psb_intel_sdvo_select_ddc_bus(struct drm_psb_private *dev_priv,
1929                           struct psb_intel_sdvo *sdvo, u32 reg)
1930 {
1931         struct sdvo_device_mapping *mapping;
1932
1933         if (IS_SDVOB(reg))
1934                 mapping = &(dev_priv->sdvo_mappings[0]);
1935         else
1936                 mapping = &(dev_priv->sdvo_mappings[1]);
1937
1938         if (mapping->initialized)
1939                 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
1940         else
1941                 psb_intel_sdvo_guess_ddc_bus(sdvo);
1942 }
1943
1944 static void
1945 psb_intel_sdvo_select_i2c_bus(struct drm_psb_private *dev_priv,
1946                           struct psb_intel_sdvo *sdvo, u32 reg)
1947 {
1948         struct sdvo_device_mapping *mapping;
1949         u8 pin, speed;
1950
1951         if (IS_SDVOB(reg))
1952                 mapping = &dev_priv->sdvo_mappings[0];
1953         else
1954                 mapping = &dev_priv->sdvo_mappings[1];
1955
1956         pin = GMBUS_PORT_DPB;
1957         speed = GMBUS_RATE_1MHZ >> 8;
1958         if (mapping->initialized) {
1959                 pin = mapping->i2c_pin;
1960                 speed = mapping->i2c_speed;
1961         }
1962
1963         if (pin < GMBUS_NUM_PORTS) {
1964                 sdvo->i2c = &dev_priv->gmbus[pin].adapter;
1965                 gma_intel_gmbus_set_speed(sdvo->i2c, speed);
1966                 gma_intel_gmbus_force_bit(sdvo->i2c, true);
1967         } else
1968                 sdvo->i2c = &dev_priv->gmbus[GMBUS_PORT_DPB].adapter;
1969 }
1970
1971 static bool
1972 psb_intel_sdvo_is_hdmi_connector(struct psb_intel_sdvo *psb_intel_sdvo, int device)
1973 {
1974         return psb_intel_sdvo_check_supp_encode(psb_intel_sdvo);
1975 }
1976
1977 static u8
1978 psb_intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
1979 {
1980         struct drm_psb_private *dev_priv = dev->dev_private;
1981         struct sdvo_device_mapping *my_mapping, *other_mapping;
1982
1983         if (IS_SDVOB(sdvo_reg)) {
1984                 my_mapping = &dev_priv->sdvo_mappings[0];
1985                 other_mapping = &dev_priv->sdvo_mappings[1];
1986         } else {
1987                 my_mapping = &dev_priv->sdvo_mappings[1];
1988                 other_mapping = &dev_priv->sdvo_mappings[0];
1989         }
1990
1991         /* If the BIOS described our SDVO device, take advantage of it. */
1992         if (my_mapping->slave_addr)
1993                 return my_mapping->slave_addr;
1994
1995         /* If the BIOS only described a different SDVO device, use the
1996          * address that it isn't using.
1997          */
1998         if (other_mapping->slave_addr) {
1999                 if (other_mapping->slave_addr == 0x70)
2000                         return 0x72;
2001                 else
2002                         return 0x70;
2003         }
2004
2005         /* No SDVO device info is found for another DVO port,
2006          * so use mapping assumption we had before BIOS parsing.
2007          */
2008         if (IS_SDVOB(sdvo_reg))
2009                 return 0x70;
2010         else
2011                 return 0x72;
2012 }
2013
2014 static void
2015 psb_intel_sdvo_connector_init(struct psb_intel_sdvo_connector *connector,
2016                           struct psb_intel_sdvo *encoder)
2017 {
2018         drm_connector_init(encoder->base.base.dev,
2019                            &connector->base.base,
2020                            &psb_intel_sdvo_connector_funcs,
2021                            connector->base.base.connector_type);
2022
2023         drm_connector_helper_add(&connector->base.base,
2024                                  &psb_intel_sdvo_connector_helper_funcs);
2025
2026         connector->base.base.interlace_allowed = 0;
2027         connector->base.base.doublescan_allowed = 0;
2028         connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2029
2030         psb_intel_connector_attach_encoder(&connector->base, &encoder->base);
2031         drm_sysfs_connector_add(&connector->base.base);
2032 }
2033
2034 static void
2035 psb_intel_sdvo_add_hdmi_properties(struct psb_intel_sdvo_connector *connector)
2036 {
2037         /* FIXME: We don't support HDMI at the moment
2038         struct drm_device *dev = connector->base.base.dev;
2039
2040         intel_attach_force_audio_property(&connector->base.base);
2041         intel_attach_broadcast_rgb_property(&connector->base.base);
2042         */
2043 }
2044
2045 static bool
2046 psb_intel_sdvo_dvi_init(struct psb_intel_sdvo *psb_intel_sdvo, int device)
2047 {
2048         struct drm_encoder *encoder = &psb_intel_sdvo->base.base;
2049         struct drm_connector *connector;
2050         struct psb_intel_connector *intel_connector;
2051         struct psb_intel_sdvo_connector *psb_intel_sdvo_connector;
2052
2053         psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL);
2054         if (!psb_intel_sdvo_connector)
2055                 return false;
2056
2057         if (device == 0) {
2058                 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2059                 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2060         } else if (device == 1) {
2061                 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2062                 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2063         }
2064
2065         intel_connector = &psb_intel_sdvo_connector->base;
2066         connector = &intel_connector->base;
2067         // connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2068         encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2069         connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2070
2071         if (psb_intel_sdvo_is_hdmi_connector(psb_intel_sdvo, device)) {
2072                 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2073                 psb_intel_sdvo->is_hdmi = true;
2074         }
2075         psb_intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2076                                        (1 << INTEL_ANALOG_CLONE_BIT));
2077
2078         psb_intel_sdvo_connector_init(psb_intel_sdvo_connector, psb_intel_sdvo);
2079         if (psb_intel_sdvo->is_hdmi)
2080                 psb_intel_sdvo_add_hdmi_properties(psb_intel_sdvo_connector);
2081
2082         return true;
2083 }
2084
2085 static bool
2086 psb_intel_sdvo_tv_init(struct psb_intel_sdvo *psb_intel_sdvo, int type)
2087 {
2088         struct drm_encoder *encoder = &psb_intel_sdvo->base.base;
2089         struct drm_connector *connector;
2090         struct psb_intel_connector *intel_connector;
2091         struct psb_intel_sdvo_connector *psb_intel_sdvo_connector;
2092
2093         psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL);
2094         if (!psb_intel_sdvo_connector)
2095                 return false;
2096
2097         intel_connector = &psb_intel_sdvo_connector->base;
2098         connector = &intel_connector->base;
2099         encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2100         connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2101
2102         psb_intel_sdvo->controlled_output |= type;
2103         psb_intel_sdvo_connector->output_flag = type;
2104
2105         psb_intel_sdvo->is_tv = true;
2106         psb_intel_sdvo->base.needs_tv_clock = true;
2107         psb_intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2108
2109         psb_intel_sdvo_connector_init(psb_intel_sdvo_connector, psb_intel_sdvo);
2110
2111         if (!psb_intel_sdvo_tv_create_property(psb_intel_sdvo, psb_intel_sdvo_connector, type))
2112                 goto err;
2113
2114         if (!psb_intel_sdvo_create_enhance_property(psb_intel_sdvo, psb_intel_sdvo_connector))
2115                 goto err;
2116
2117         return true;
2118
2119 err:
2120         psb_intel_sdvo_destroy(connector);
2121         return false;
2122 }
2123
2124 static bool
2125 psb_intel_sdvo_analog_init(struct psb_intel_sdvo *psb_intel_sdvo, int device)
2126 {
2127         struct drm_encoder *encoder = &psb_intel_sdvo->base.base;
2128         struct drm_connector *connector;
2129         struct psb_intel_connector *intel_connector;
2130         struct psb_intel_sdvo_connector *psb_intel_sdvo_connector;
2131
2132         psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL);
2133         if (!psb_intel_sdvo_connector)
2134                 return false;
2135
2136         intel_connector = &psb_intel_sdvo_connector->base;
2137         connector = &intel_connector->base;
2138         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2139         encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2140         connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2141
2142         if (device == 0) {
2143                 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2144                 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2145         } else if (device == 1) {
2146                 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2147                 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2148         }
2149
2150         psb_intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2151                                        (1 << INTEL_ANALOG_CLONE_BIT));
2152
2153         psb_intel_sdvo_connector_init(psb_intel_sdvo_connector,
2154                                   psb_intel_sdvo);
2155         return true;
2156 }
2157
2158 static bool
2159 psb_intel_sdvo_lvds_init(struct psb_intel_sdvo *psb_intel_sdvo, int device)
2160 {
2161         struct drm_encoder *encoder = &psb_intel_sdvo->base.base;
2162         struct drm_connector *connector;
2163         struct psb_intel_connector *intel_connector;
2164         struct psb_intel_sdvo_connector *psb_intel_sdvo_connector;
2165
2166         psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL);
2167         if (!psb_intel_sdvo_connector)
2168                 return false;
2169
2170         intel_connector = &psb_intel_sdvo_connector->base;
2171         connector = &intel_connector->base;
2172         encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2173         connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2174
2175         if (device == 0) {
2176                 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2177                 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2178         } else if (device == 1) {
2179                 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2180                 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2181         }
2182
2183         psb_intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
2184                                        (1 << INTEL_SDVO_LVDS_CLONE_BIT));
2185
2186         psb_intel_sdvo_connector_init(psb_intel_sdvo_connector, psb_intel_sdvo);
2187         if (!psb_intel_sdvo_create_enhance_property(psb_intel_sdvo, psb_intel_sdvo_connector))
2188                 goto err;
2189
2190         return true;
2191
2192 err:
2193         psb_intel_sdvo_destroy(connector);
2194         return false;
2195 }
2196
2197 static bool
2198 psb_intel_sdvo_output_setup(struct psb_intel_sdvo *psb_intel_sdvo, uint16_t flags)
2199 {
2200         psb_intel_sdvo->is_tv = false;
2201         psb_intel_sdvo->base.needs_tv_clock = false;
2202         psb_intel_sdvo->is_lvds = false;
2203
2204         /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2205
2206         if (flags & SDVO_OUTPUT_TMDS0)
2207                 if (!psb_intel_sdvo_dvi_init(psb_intel_sdvo, 0))
2208                         return false;
2209
2210         if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2211                 if (!psb_intel_sdvo_dvi_init(psb_intel_sdvo, 1))
2212                         return false;
2213
2214         /* TV has no XXX1 function block */
2215         if (flags & SDVO_OUTPUT_SVID0)
2216                 if (!psb_intel_sdvo_tv_init(psb_intel_sdvo, SDVO_OUTPUT_SVID0))
2217                         return false;
2218
2219         if (flags & SDVO_OUTPUT_CVBS0)
2220                 if (!psb_intel_sdvo_tv_init(psb_intel_sdvo, SDVO_OUTPUT_CVBS0))
2221                         return false;
2222
2223         if (flags & SDVO_OUTPUT_RGB0)
2224                 if (!psb_intel_sdvo_analog_init(psb_intel_sdvo, 0))
2225                         return false;
2226
2227         if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2228                 if (!psb_intel_sdvo_analog_init(psb_intel_sdvo, 1))
2229                         return false;
2230
2231         if (flags & SDVO_OUTPUT_LVDS0)
2232                 if (!psb_intel_sdvo_lvds_init(psb_intel_sdvo, 0))
2233                         return false;
2234
2235         if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2236                 if (!psb_intel_sdvo_lvds_init(psb_intel_sdvo, 1))
2237                         return false;
2238
2239         if ((flags & SDVO_OUTPUT_MASK) == 0) {
2240                 unsigned char bytes[2];
2241
2242                 psb_intel_sdvo->controlled_output = 0;
2243                 memcpy(bytes, &psb_intel_sdvo->caps.output_flags, 2);
2244                 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2245                               SDVO_NAME(psb_intel_sdvo),
2246                               bytes[0], bytes[1]);
2247                 return false;
2248         }
2249         psb_intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1);
2250
2251         return true;
2252 }
2253
2254 static bool psb_intel_sdvo_tv_create_property(struct psb_intel_sdvo *psb_intel_sdvo,
2255                                           struct psb_intel_sdvo_connector *psb_intel_sdvo_connector,
2256                                           int type)
2257 {
2258         struct drm_device *dev = psb_intel_sdvo->base.base.dev;
2259         struct psb_intel_sdvo_tv_format format;
2260         uint32_t format_map, i;
2261
2262         if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo, type))
2263                 return false;
2264
2265         BUILD_BUG_ON(sizeof(format) != 6);
2266         if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
2267                                   SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2268                                   &format, sizeof(format)))
2269                 return false;
2270
2271         memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2272
2273         if (format_map == 0)
2274                 return false;
2275
2276         psb_intel_sdvo_connector->format_supported_num = 0;
2277         for (i = 0 ; i < TV_FORMAT_NUM; i++)
2278                 if (format_map & (1 << i))
2279                         psb_intel_sdvo_connector->tv_format_supported[psb_intel_sdvo_connector->format_supported_num++] = i;
2280
2281
2282         psb_intel_sdvo_connector->tv_format =
2283                         drm_property_create(dev, DRM_MODE_PROP_ENUM,
2284                                             "mode", psb_intel_sdvo_connector->format_supported_num);
2285         if (!psb_intel_sdvo_connector->tv_format)
2286                 return false;
2287
2288         for (i = 0; i < psb_intel_sdvo_connector->format_supported_num; i++)
2289                 drm_property_add_enum(
2290                                 psb_intel_sdvo_connector->tv_format, i,
2291                                 i, tv_format_names[psb_intel_sdvo_connector->tv_format_supported[i]]);
2292
2293         psb_intel_sdvo->tv_format_index = psb_intel_sdvo_connector->tv_format_supported[0];
2294         drm_connector_attach_property(&psb_intel_sdvo_connector->base.base,
2295                                       psb_intel_sdvo_connector->tv_format, 0);
2296         return true;
2297
2298 }
2299
2300 #define ENHANCEMENT(name, NAME) do { \
2301         if (enhancements.name) { \
2302                 if (!psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2303                     !psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2304                         return false; \
2305                 psb_intel_sdvo_connector->max_##name = data_value[0]; \
2306                 psb_intel_sdvo_connector->cur_##name = response; \
2307                 psb_intel_sdvo_connector->name = \
2308                         drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2309                 if (!psb_intel_sdvo_connector->name) return false; \
2310                 drm_connector_attach_property(connector, \
2311                                               psb_intel_sdvo_connector->name, \
2312                                               psb_intel_sdvo_connector->cur_##name); \
2313                 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2314                               data_value[0], data_value[1], response); \
2315         } \
2316 } while(0)
2317
2318 static bool
2319 psb_intel_sdvo_create_enhance_property_tv(struct psb_intel_sdvo *psb_intel_sdvo,
2320                                       struct psb_intel_sdvo_connector *psb_intel_sdvo_connector,
2321                                       struct psb_intel_sdvo_enhancements_reply enhancements)
2322 {
2323         struct drm_device *dev = psb_intel_sdvo->base.base.dev;
2324         struct drm_connector *connector = &psb_intel_sdvo_connector->base.base;
2325         uint16_t response, data_value[2];
2326
2327         /* when horizontal overscan is supported, Add the left/right  property */
2328         if (enhancements.overscan_h) {
2329                 if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
2330                                           SDVO_CMD_GET_MAX_OVERSCAN_H,
2331                                           &data_value, 4))
2332                         return false;
2333
2334                 if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
2335                                           SDVO_CMD_GET_OVERSCAN_H,
2336                                           &response, 2))
2337                         return false;
2338
2339                 psb_intel_sdvo_connector->max_hscan = data_value[0];
2340                 psb_intel_sdvo_connector->left_margin = data_value[0] - response;
2341                 psb_intel_sdvo_connector->right_margin = psb_intel_sdvo_connector->left_margin;
2342                 psb_intel_sdvo_connector->left =
2343                         drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
2344                 if (!psb_intel_sdvo_connector->left)
2345                         return false;
2346
2347                 drm_connector_attach_property(connector,
2348                                               psb_intel_sdvo_connector->left,
2349                                               psb_intel_sdvo_connector->left_margin);
2350
2351                 psb_intel_sdvo_connector->right =
2352                         drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
2353                 if (!psb_intel_sdvo_connector->right)
2354                         return false;
2355
2356                 drm_connector_attach_property(connector,
2357                                               psb_intel_sdvo_connector->right,
2358                                               psb_intel_sdvo_connector->right_margin);
2359                 DRM_DEBUG_KMS("h_overscan: max %d, "
2360                               "default %d, current %d\n",
2361                               data_value[0], data_value[1], response);
2362         }
2363
2364         if (enhancements.overscan_v) {
2365                 if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
2366                                           SDVO_CMD_GET_MAX_OVERSCAN_V,
2367                                           &data_value, 4))
2368                         return false;
2369
2370                 if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
2371                                           SDVO_CMD_GET_OVERSCAN_V,
2372                                           &response, 2))
2373                         return false;
2374
2375                 psb_intel_sdvo_connector->max_vscan = data_value[0];
2376                 psb_intel_sdvo_connector->top_margin = data_value[0] - response;
2377                 psb_intel_sdvo_connector->bottom_margin = psb_intel_sdvo_connector->top_margin;
2378                 psb_intel_sdvo_connector->top =
2379                         drm_property_create_range(dev, 0, "top_margin", 0, data_value[0]);
2380                 if (!psb_intel_sdvo_connector->top)
2381                         return false;
2382
2383                 drm_connector_attach_property(connector,
2384                                               psb_intel_sdvo_connector->top,
2385                                               psb_intel_sdvo_connector->top_margin);
2386
2387                 psb_intel_sdvo_connector->bottom =
2388                         drm_property_create_range(dev, 0, "bottom_margin", 0, data_value[0]);
2389                 if (!psb_intel_sdvo_connector->bottom)
2390                         return false;
2391
2392                 drm_connector_attach_property(connector,
2393                                               psb_intel_sdvo_connector->bottom,
2394                                               psb_intel_sdvo_connector->bottom_margin);
2395                 DRM_DEBUG_KMS("v_overscan: max %d, "
2396                               "default %d, current %d\n",
2397                               data_value[0], data_value[1], response);
2398         }
2399
2400         ENHANCEMENT(hpos, HPOS);
2401         ENHANCEMENT(vpos, VPOS);
2402         ENHANCEMENT(saturation, SATURATION);
2403         ENHANCEMENT(contrast, CONTRAST);
2404         ENHANCEMENT(hue, HUE);
2405         ENHANCEMENT(sharpness, SHARPNESS);
2406         ENHANCEMENT(brightness, BRIGHTNESS);
2407         ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2408         ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2409         ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2410         ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2411         ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2412
2413         if (enhancements.dot_crawl) {
2414                 if (!psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2415                         return false;
2416
2417                 psb_intel_sdvo_connector->max_dot_crawl = 1;
2418                 psb_intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2419                 psb_intel_sdvo_connector->dot_crawl =
2420                         drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
2421                 if (!psb_intel_sdvo_connector->dot_crawl)
2422                         return false;
2423
2424                 drm_connector_attach_property(connector,
2425                                               psb_intel_sdvo_connector->dot_crawl,
2426                                               psb_intel_sdvo_connector->cur_dot_crawl);
2427                 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2428         }
2429
2430         return true;
2431 }
2432
2433 static bool
2434 psb_intel_sdvo_create_enhance_property_lvds(struct psb_intel_sdvo *psb_intel_sdvo,
2435                                         struct psb_intel_sdvo_connector *psb_intel_sdvo_connector,
2436                                         struct psb_intel_sdvo_enhancements_reply enhancements)
2437 {
2438         struct drm_device *dev = psb_intel_sdvo->base.base.dev;
2439         struct drm_connector *connector = &psb_intel_sdvo_connector->base.base;
2440         uint16_t response, data_value[2];
2441
2442         ENHANCEMENT(brightness, BRIGHTNESS);
2443
2444         return true;
2445 }
2446 #undef ENHANCEMENT
2447
2448 static bool psb_intel_sdvo_create_enhance_property(struct psb_intel_sdvo *psb_intel_sdvo,
2449                                                struct psb_intel_sdvo_connector *psb_intel_sdvo_connector)
2450 {
2451         union {
2452                 struct psb_intel_sdvo_enhancements_reply reply;
2453                 uint16_t response;
2454         } enhancements;
2455
2456         BUILD_BUG_ON(sizeof(enhancements) != 2);
2457
2458         enhancements.response = 0;
2459         psb_intel_sdvo_get_value(psb_intel_sdvo,
2460                              SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2461                              &enhancements, sizeof(enhancements));
2462         if (enhancements.response == 0) {
2463                 DRM_DEBUG_KMS("No enhancement is supported\n");
2464                 return true;
2465         }
2466
2467         if (IS_TV(psb_intel_sdvo_connector))
2468                 return psb_intel_sdvo_create_enhance_property_tv(psb_intel_sdvo, psb_intel_sdvo_connector, enhancements.reply);
2469         else if(IS_LVDS(psb_intel_sdvo_connector))
2470                 return psb_intel_sdvo_create_enhance_property_lvds(psb_intel_sdvo, psb_intel_sdvo_connector, enhancements.reply);
2471         else
2472                 return true;
2473 }
2474
2475 static int psb_intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2476                                      struct i2c_msg *msgs,
2477                                      int num)
2478 {
2479         struct psb_intel_sdvo *sdvo = adapter->algo_data;
2480
2481         if (!psb_intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2482                 return -EIO;
2483
2484         return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2485 }
2486
2487 static u32 psb_intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2488 {
2489         struct psb_intel_sdvo *sdvo = adapter->algo_data;
2490         return sdvo->i2c->algo->functionality(sdvo->i2c);
2491 }
2492
2493 static const struct i2c_algorithm psb_intel_sdvo_ddc_proxy = {
2494         .master_xfer    = psb_intel_sdvo_ddc_proxy_xfer,
2495         .functionality  = psb_intel_sdvo_ddc_proxy_func
2496 };
2497
2498 static bool
2499 psb_intel_sdvo_init_ddc_proxy(struct psb_intel_sdvo *sdvo,
2500                           struct drm_device *dev)
2501 {
2502         sdvo->ddc.owner = THIS_MODULE;
2503         sdvo->ddc.class = I2C_CLASS_DDC;
2504         snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2505         sdvo->ddc.dev.parent = &dev->pdev->dev;
2506         sdvo->ddc.algo_data = sdvo;
2507         sdvo->ddc.algo = &psb_intel_sdvo_ddc_proxy;
2508
2509         return i2c_add_adapter(&sdvo->ddc) == 0;
2510 }
2511
2512 bool psb_intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
2513 {
2514         struct drm_psb_private *dev_priv = dev->dev_private;
2515         struct psb_intel_encoder *psb_intel_encoder;
2516         struct psb_intel_sdvo *psb_intel_sdvo;
2517         int i;
2518
2519         psb_intel_sdvo = kzalloc(sizeof(struct psb_intel_sdvo), GFP_KERNEL);
2520         if (!psb_intel_sdvo)
2521                 return false;
2522
2523         psb_intel_sdvo->sdvo_reg = sdvo_reg;
2524         psb_intel_sdvo->slave_addr = psb_intel_sdvo_get_slave_addr(dev, sdvo_reg) >> 1;
2525         psb_intel_sdvo_select_i2c_bus(dev_priv, psb_intel_sdvo, sdvo_reg);
2526         if (!psb_intel_sdvo_init_ddc_proxy(psb_intel_sdvo, dev)) {
2527                 kfree(psb_intel_sdvo);
2528                 return false;
2529         }
2530
2531         /* encoder type will be decided later */
2532         psb_intel_encoder = &psb_intel_sdvo->base;
2533         psb_intel_encoder->type = INTEL_OUTPUT_SDVO;
2534         drm_encoder_init(dev, &psb_intel_encoder->base, &psb_intel_sdvo_enc_funcs, 0);
2535
2536         /* Read the regs to test if we can talk to the device */
2537         for (i = 0; i < 0x40; i++) {
2538                 u8 byte;
2539
2540                 if (!psb_intel_sdvo_read_byte(psb_intel_sdvo, i, &byte)) {
2541                         DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
2542                                       IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2543                         goto err;
2544                 }
2545         }
2546
2547         if (IS_SDVOB(sdvo_reg))
2548                 dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
2549         else
2550                 dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
2551
2552         drm_encoder_helper_add(&psb_intel_encoder->base, &psb_intel_sdvo_helper_funcs);
2553
2554         /* In default case sdvo lvds is false */
2555         if (!psb_intel_sdvo_get_capabilities(psb_intel_sdvo, &psb_intel_sdvo->caps))
2556                 goto err;
2557
2558         if (psb_intel_sdvo_output_setup(psb_intel_sdvo,
2559                                     psb_intel_sdvo->caps.output_flags) != true) {
2560                 DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
2561                               IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2562                 goto err;
2563         }
2564
2565         psb_intel_sdvo_select_ddc_bus(dev_priv, psb_intel_sdvo, sdvo_reg);
2566
2567         /* Set the input timing to the screen. Assume always input 0. */
2568         if (!psb_intel_sdvo_set_target_input(psb_intel_sdvo))
2569                 goto err;
2570
2571         if (!psb_intel_sdvo_get_input_pixel_clock_range(psb_intel_sdvo,
2572                                                     &psb_intel_sdvo->pixel_clock_min,
2573                                                     &psb_intel_sdvo->pixel_clock_max))
2574                 goto err;
2575
2576         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2577                         "clock range %dMHz - %dMHz, "
2578                         "input 1: %c, input 2: %c, "
2579                         "output 1: %c, output 2: %c\n",
2580                         SDVO_NAME(psb_intel_sdvo),
2581                         psb_intel_sdvo->caps.vendor_id, psb_intel_sdvo->caps.device_id,
2582                         psb_intel_sdvo->caps.device_rev_id,
2583                         psb_intel_sdvo->pixel_clock_min / 1000,
2584                         psb_intel_sdvo->pixel_clock_max / 1000,
2585                         (psb_intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2586                         (psb_intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2587                         /* check currently supported outputs */
2588                         psb_intel_sdvo->caps.output_flags &
2589                         (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2590                         psb_intel_sdvo->caps.output_flags &
2591                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2592         return true;
2593
2594 err:
2595         drm_encoder_cleanup(&psb_intel_encoder->base);
2596         i2c_del_adapter(&psb_intel_sdvo->ddc);
2597         kfree(psb_intel_sdvo);
2598
2599         return false;
2600 }