drivers/gpu/drm/i915/intel_tv.c

   1 /*
   2  * Copyright © 2006-2008 Intel Corporation
   3  *   Jesse Barnes <jesse.barnes@intel.com>
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Eric Anholt <eric@anholt.net>
  26  *
  27  */
  28
  29 /** @file
  30  * Integrated TV-out support for the 915GM and 945GM.
  31  */
  32
  33 #include <drm/drmP.h>
  34 #include <drm/drm_crtc.h>
  35 #include <drm/drm_edid.h>
  36 #include "intel_drv.h"
  37 #include <drm/i915_drm.h>
  38 #include "i915_drv.h"
  39
  40 enum tv_margin {
  41         TV_MARGIN_LEFT, TV_MARGIN_TOP,
  42         TV_MARGIN_RIGHT, TV_MARGIN_BOTTOM
  43 };
  44
  45 /** Private structure for the integrated TV support */
  46 struct intel_tv {
  47         struct intel_encoder base;
  48
  49         int type;
  50         const char *tv_format;
  51         int margin[4];
  52         u32 save_TV_H_CTL_1;
  53         u32 save_TV_H_CTL_2;
  54         u32 save_TV_H_CTL_3;
  55         u32 save_TV_V_CTL_1;
  56         u32 save_TV_V_CTL_2;
  57         u32 save_TV_V_CTL_3;
  58         u32 save_TV_V_CTL_4;
  59         u32 save_TV_V_CTL_5;
  60         u32 save_TV_V_CTL_6;
  61         u32 save_TV_V_CTL_7;
  62         u32 save_TV_SC_CTL_1, save_TV_SC_CTL_2, save_TV_SC_CTL_3;
  63
  64         u32 save_TV_CSC_Y;
  65         u32 save_TV_CSC_Y2;
  66         u32 save_TV_CSC_U;
  67         u32 save_TV_CSC_U2;
  68         u32 save_TV_CSC_V;
  69         u32 save_TV_CSC_V2;
  70         u32 save_TV_CLR_KNOBS;
  71         u32 save_TV_CLR_LEVEL;
  72         u32 save_TV_WIN_POS;
  73         u32 save_TV_WIN_SIZE;
  74         u32 save_TV_FILTER_CTL_1;
  75         u32 save_TV_FILTER_CTL_2;
  76         u32 save_TV_FILTER_CTL_3;
  77
  78         u32 save_TV_H_LUMA[60];
  79         u32 save_TV_H_CHROMA[60];
  80         u32 save_TV_V_LUMA[43];
  81         u32 save_TV_V_CHROMA[43];
  82
  83         u32 save_TV_DAC;
  84         u32 save_TV_CTL;
  85 };
  86
  87 struct video_levels {
  88         int blank, black, burst;
  89 };
  90
  91 struct color_conversion {
  92         u16 ry, gy, by, ay;
  93         u16 ru, gu, bu, au;
  94         u16 rv, gv, bv, av;
  95 };
  96
  97 static const u32 filter_table[] = {
  98         0xB1403000, 0x2E203500, 0x35002E20, 0x3000B140,
  99         0x35A0B160, 0x2DC02E80, 0xB1403480, 0xB1603000,
 100         0x2EA03640, 0x34002D80, 0x3000B120, 0x36E0B160,
 101         0x2D202EF0, 0xB1203380, 0xB1603000, 0x2F303780,
 102         0x33002CC0, 0x3000B100, 0x3820B160, 0x2C802F50,
 103         0xB10032A0, 0xB1603000, 0x2F9038C0, 0x32202C20,
 104         0x3000B0E0, 0x3980B160, 0x2BC02FC0, 0xB0E031C0,
 105         0xB1603000, 0x2FF03A20, 0x31602B60, 0xB020B0C0,
 106         0x3AE0B160, 0x2B001810, 0xB0C03120, 0xB140B020,
 107         0x18283BA0, 0x30C02A80, 0xB020B0A0, 0x3C60B140,
 108         0x2A201838, 0xB0A03080, 0xB120B020, 0x18383D20,
 109         0x304029C0, 0xB040B080, 0x3DE0B100, 0x29601848,
 110         0xB0803000, 0xB100B040, 0x18483EC0, 0xB0402900,
 111         0xB040B060, 0x3F80B0C0, 0x28801858, 0xB060B080,
 112         0xB0A0B060, 0x18602820, 0xB0A02820, 0x0000B060,
 113         0xB1403000, 0x2E203500, 0x35002E20, 0x3000B140,
 114         0x35A0B160, 0x2DC02E80, 0xB1403480, 0xB1603000,
 115         0x2EA03640, 0x34002D80, 0x3000B120, 0x36E0B160,
 116         0x2D202EF0, 0xB1203380, 0xB1603000, 0x2F303780,
 117         0x33002CC0, 0x3000B100, 0x3820B160, 0x2C802F50,
 118         0xB10032A0, 0xB1603000, 0x2F9038C0, 0x32202C20,
 119         0x3000B0E0, 0x3980B160, 0x2BC02FC0, 0xB0E031C0,
 120         0xB1603000, 0x2FF03A20, 0x31602B60, 0xB020B0C0,
 121         0x3AE0B160, 0x2B001810, 0xB0C03120, 0xB140B020,
 122         0x18283BA0, 0x30C02A80, 0xB020B0A0, 0x3C60B140,
 123         0x2A201838, 0xB0A03080, 0xB120B020, 0x18383D20,
 124         0x304029C0, 0xB040B080, 0x3DE0B100, 0x29601848,
 125         0xB0803000, 0xB100B040, 0x18483EC0, 0xB0402900,
 126         0xB040B060, 0x3F80B0C0, 0x28801858, 0xB060B080,
 127         0xB0A0B060, 0x18602820, 0xB0A02820, 0x0000B060,
 128         0x36403000, 0x2D002CC0, 0x30003640, 0x2D0036C0,
 129         0x35C02CC0, 0x37403000, 0x2C802D40, 0x30003540,
 130         0x2D8037C0, 0x34C02C40, 0x38403000, 0x2BC02E00,
 131         0x30003440, 0x2E2038C0, 0x34002B80, 0x39803000,
 132         0x2B402E40, 0x30003380, 0x2E603A00, 0x33402B00,
 133         0x3A803040, 0x2A802EA0, 0x30403300, 0x2EC03B40,
 134         0x32802A40, 0x3C003040, 0x2A002EC0, 0x30803240,
 135         0x2EC03C80, 0x320029C0, 0x3D403080, 0x29402F00,
 136         0x308031C0, 0x2F203DC0, 0x31802900, 0x3E8030C0,
 137         0x28802F40, 0x30C03140, 0x2F203F40, 0x31402840,
 138         0x28003100, 0x28002F00, 0x00003100, 0x36403000,
 139         0x2D002CC0, 0x30003640, 0x2D0036C0,
 140         0x35C02CC0, 0x37403000, 0x2C802D40, 0x30003540,
 141         0x2D8037C0, 0x34C02C40, 0x38403000, 0x2BC02E00,
 142         0x30003440, 0x2E2038C0, 0x34002B80, 0x39803000,
 143         0x2B402E40, 0x30003380, 0x2E603A00, 0x33402B00,
 144         0x3A803040, 0x2A802EA0, 0x30403300, 0x2EC03B40,
 145         0x32802A40, 0x3C003040, 0x2A002EC0, 0x30803240,
 146         0x2EC03C80, 0x320029C0, 0x3D403080, 0x29402F00,
 147         0x308031C0, 0x2F203DC0, 0x31802900, 0x3E8030C0,
 148         0x28802F40, 0x30C03140, 0x2F203F40, 0x31402840,
 149         0x28003100, 0x28002F00, 0x00003100,
 150 };
 151
 152 /*
 153  * Color conversion values have 3 separate fixed point formats:
 154  *
 155  * 10 bit fields (ay, au)
 156  *   1.9 fixed point (b.bbbbbbbbb)
 157  * 11 bit fields (ry, by, ru, gu, gv)
 158  *   exp.mantissa (ee.mmmmmmmmm)
 159  *   ee = 00 = 10^-1 (0.mmmmmmmmm)
 160  *   ee = 01 = 10^-2 (0.0mmmmmmmmm)
 161  *   ee = 10 = 10^-3 (0.00mmmmmmmmm)
 162  *   ee = 11 = 10^-4 (0.000mmmmmmmmm)
 163  * 12 bit fields (gy, rv, bu)
 164  *   exp.mantissa (eee.mmmmmmmmm)
 165  *   eee = 000 = 10^-1 (0.mmmmmmmmm)
 166  *   eee = 001 = 10^-2 (0.0mmmmmmmmm)
 167  *   eee = 010 = 10^-3 (0.00mmmmmmmmm)
 168  *   eee = 011 = 10^-4 (0.000mmmmmmmmm)
 169  *   eee = 100 = reserved
 170  *   eee = 101 = reserved
 171  *   eee = 110 = reserved
 172  *   eee = 111 = 10^0 (m.mmmmmmmm) (only usable for 1.0 representation)
 173  *
 174  * Saturation and contrast are 8 bits, with their own representation:
 175  * 8 bit field (saturation, contrast)
 176  *   exp.mantissa (ee.mmmmmm)
 177  *   ee = 00 = 10^-1 (0.mmmmmm)
 178  *   ee = 01 = 10^0 (m.mmmmm)
 179  *   ee = 10 = 10^1 (mm.mmmm)
 180  *   ee = 11 = 10^2 (mmm.mmm)
 181  *
 182  * Simple conversion function:
 183  *
 184  * static u32
 185  * float_to_csc_11(float f)
 186  * {
 187  *     u32 exp;
 188  *     u32 mant;
 189  *     u32 ret;
 190  *
 191  *     if (f < 0)
 192  *         f = -f;
 193  *
 194  *     if (f >= 1) {
 195  *         exp = 0x7;
 196  *         mant = 1 << 8;
 197  *     } else {
 198  *         for (exp = 0; exp < 3 && f < 0.5; exp++)
 199  *         f *= 2.0;
 200  *         mant = (f * (1 << 9) + 0.5);
 201  *         if (mant >= (1 << 9))
 202  *             mant = (1 << 9) - 1;
 203  *     }
 204  *     ret = (exp << 9) | mant;
 205  *     return ret;
 206  * }
 207  */
 208
 209 /*
 210  * Behold, magic numbers!  If we plant them they might grow a big
 211  * s-video cable to the sky... or something.
 212  *
 213  * Pre-converted to appropriate hex value.
 214  */
 215
 216 /*
 217  * PAL & NTSC values for composite & s-video connections
 218  */
 219 static const struct color_conversion ntsc_m_csc_composite = {
 220         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0104,
 221         .ru = 0x0733, .gu = 0x052d, .bu = 0x05c7, .au = 0x0200,
 222         .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0200,
 223 };
 224
 225 static const struct video_levels ntsc_m_levels_composite = {
 226         .blank = 225, .black = 267, .burst = 113,
 227 };
 228
 229 static const struct color_conversion ntsc_m_csc_svideo = {
 230         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0133,
 231         .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0200,
 232         .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0200,
 233 };
 234
 235 static const struct video_levels ntsc_m_levels_svideo = {
 236         .blank = 266, .black = 316, .burst = 133,
 237 };
 238
 239 static const struct color_conversion ntsc_j_csc_composite = {
 240         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0119,
 241         .ru = 0x074c, .gu = 0x0546, .bu = 0x05ec, .au = 0x0200,
 242         .rv = 0x035a, .gv = 0x0322, .bv = 0x06e1, .av = 0x0200,
 243 };
 244
 245 static const struct video_levels ntsc_j_levels_composite = {
 246         .blank = 225, .black = 225, .burst = 113,
 247 };
 248
 249 static const struct color_conversion ntsc_j_csc_svideo = {
 250         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x014c,
 251         .ru = 0x0788, .gu = 0x0581, .bu = 0x0322, .au = 0x0200,
 252         .rv = 0x0399, .gv = 0x0356, .bv = 0x070a, .av = 0x0200,
 253 };
 254
 255 static const struct video_levels ntsc_j_levels_svideo = {
 256         .blank = 266, .black = 266, .burst = 133,
 257 };
 258
 259 static const struct color_conversion pal_csc_composite = {
 260         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0113,
 261         .ru = 0x0745, .gu = 0x053f, .bu = 0x05e1, .au = 0x0200,
 262         .rv = 0x0353, .gv = 0x031c, .bv = 0x06dc, .av = 0x0200,
 263 };
 264
 265 static const struct video_levels pal_levels_composite = {
 266         .blank = 237, .black = 237, .burst = 118,
 267 };
 268
 269 static const struct color_conversion pal_csc_svideo = {
 270         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0145,
 271         .ru = 0x0780, .gu = 0x0579, .bu = 0x031c, .au = 0x0200,
 272         .rv = 0x0390, .gv = 0x034f, .bv = 0x0705, .av = 0x0200,
 273 };
 274
 275 static const struct video_levels pal_levels_svideo = {
 276         .blank = 280, .black = 280, .burst = 139,
 277 };
 278
 279 static const struct color_conversion pal_m_csc_composite = {
 280         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0104,
 281         .ru = 0x0733, .gu = 0x052d, .bu = 0x05c7, .au = 0x0200,
 282         .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0200,
 283 };
 284
 285 static const struct video_levels pal_m_levels_composite = {
 286         .blank = 225, .black = 267, .burst = 113,
 287 };
 288
 289 static const struct color_conversion pal_m_csc_svideo = {
 290         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0133,
 291         .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0200,
 292         .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0200,
 293 };
 294
 295 static const struct video_levels pal_m_levels_svideo = {
 296         .blank = 266, .black = 316, .burst = 133,
 297 };
 298
 299 static const struct color_conversion pal_n_csc_composite = {
 300         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0104,
 301         .ru = 0x0733, .gu = 0x052d, .bu = 0x05c7, .au = 0x0200,
 302         .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0200,
 303 };
 304
 305 static const struct video_levels pal_n_levels_composite = {
 306         .blank = 225, .black = 267, .burst = 118,
 307 };
 308
 309 static const struct color_conversion pal_n_csc_svideo = {
 310         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0133,
 311         .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0200,
 312         .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0200,
 313 };
 314
 315 static const struct video_levels pal_n_levels_svideo = {
 316         .blank = 266, .black = 316, .burst = 139,
 317 };
 318
 319 /*
 320  * Component connections
 321  */
 322 static const struct color_conversion sdtv_csc_yprpb = {
 323         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0145,
 324         .ru = 0x0559, .gu = 0x0353, .bu = 0x0100, .au = 0x0200,
 325         .rv = 0x0100, .gv = 0x03ad, .bv = 0x074d, .av = 0x0200,
 326 };
 327
 328 static const struct color_conversion sdtv_csc_rgb = {
 329         .ry = 0x0000, .gy = 0x0f00, .by = 0x0000, .ay = 0x0166,
 330         .ru = 0x0000, .gu = 0x0000, .bu = 0x0f00, .au = 0x0166,
 331         .rv = 0x0f00, .gv = 0x0000, .bv = 0x0000, .av = 0x0166,
 332 };
 333
 334 static const struct color_conversion hdtv_csc_yprpb = {
 335         .ry = 0x05b3, .gy = 0x016e, .by = 0x0728, .ay = 0x0145,
 336         .ru = 0x07d5, .gu = 0x038b, .bu = 0x0100, .au = 0x0200,
 337         .rv = 0x0100, .gv = 0x03d1, .bv = 0x06bc, .av = 0x0200,
 338 };
 339
 340 static const struct color_conversion hdtv_csc_rgb = {
 341         .ry = 0x0000, .gy = 0x0f00, .by = 0x0000, .ay = 0x0166,
 342         .ru = 0x0000, .gu = 0x0000, .bu = 0x0f00, .au = 0x0166,
 343         .rv = 0x0f00, .gv = 0x0000, .bv = 0x0000, .av = 0x0166,
 344 };
 345
 346 static const struct video_levels component_levels = {
 347         .blank = 279, .black = 279, .burst = 0,
 348 };
 349
 350
 351 struct tv_mode {
 352         const char *name;
 353         int clock;
 354         int refresh; /* in millihertz (for precision) */
 355         u32 oversample;
 356         int hsync_end, hblank_start, hblank_end, htotal;
 357         bool progressive, trilevel_sync, component_only;
 358         int vsync_start_f1, vsync_start_f2, vsync_len;
 359         bool veq_ena;
 360         int veq_start_f1, veq_start_f2, veq_len;
 361         int vi_end_f1, vi_end_f2, nbr_end;
 362         bool burst_ena;
 363         int hburst_start, hburst_len;
 364         int vburst_start_f1, vburst_end_f1;
 365         int vburst_start_f2, vburst_end_f2;
 366         int vburst_start_f3, vburst_end_f3;
 367         int vburst_start_f4, vburst_end_f4;
 368         /*
 369          * subcarrier programming
 370          */
 371         int dda2_size, dda3_size, dda1_inc, dda2_inc, dda3_inc;
 372         u32 sc_reset;
 373         bool pal_burst;
 374         /*
 375          * blank/black levels
 376          */
 377         const struct video_levels *composite_levels, *svideo_levels;
 378         const struct color_conversion *composite_color, *svideo_color;
 379         const u32 *filter_table;
 380         int max_srcw;
 381 };
 382
 383
 384 /*
 385  * Sub carrier DDA
 386  *
 387  *  I think this works as follows:
 388  *
 389  *  subcarrier freq = pixel_clock * (dda1_inc + dda2_inc / dda2_size) / 4096
 390  *
 391  * Presumably, when dda3 is added in, it gets to adjust the dda2_inc value
 392  *
 393  * So,
 394  *  dda1_ideal = subcarrier/pixel * 4096
 395  *  dda1_inc = floor (dda1_ideal)
 396  *  dda2 = dda1_ideal - dda1_inc
 397  *
 398  *  then pick a ratio for dda2 that gives the closest approximation. If
 399  *  you can't get close enough, you can play with dda3 as well. This
 400  *  seems likely to happen when dda2 is small as the jumps would be larger
 401  *
 402  * To invert this,
 403  *
 404  *  pixel_clock = subcarrier * 4096 / (dda1_inc + dda2_inc / dda2_size)
 405  *
 406  * The constants below were all computed using a 107.520MHz clock
 407  */
 408
 409 /**
 410  * Register programming values for TV modes.
 411  *
 412  * These values account for -1s required.
 413  */
 414
 415 static const struct tv_mode tv_modes[] = {
 416         {
 417                 .name           = "NTSC-M",
 418                 .clock          = 108000,
 419                 .refresh        = 59940,
 420                 .oversample     = TV_OVERSAMPLE_8X,
 421                 .component_only = 0,
 422                 /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */
 423
 424                 .hsync_end      = 64,               .hblank_end         = 124,
 425                 .hblank_start   = 836,              .htotal             = 857,
 426
 427                 .progressive    = false,            .trilevel_sync = false,
 428
 429                 .vsync_start_f1 = 6,                .vsync_start_f2     = 7,
 430                 .vsync_len      = 6,
 431
 432                 .veq_ena        = true,             .veq_start_f1       = 0,
 433                 .veq_start_f2   = 1,                .veq_len            = 18,
 434
 435                 .vi_end_f1      = 20,               .vi_end_f2          = 21,
 436                 .nbr_end        = 240,
 437
 438                 .burst_ena      = true,
 439                 .hburst_start   = 72,               .hburst_len         = 34,
 440                 .vburst_start_f1 = 9,               .vburst_end_f1      = 240,
 441                 .vburst_start_f2 = 10,              .vburst_end_f2      = 240,
 442                 .vburst_start_f3 = 9,               .vburst_end_f3      = 240,
 443                 .vburst_start_f4 = 10,              .vburst_end_f4      = 240,
 444
 445                 /* desired 3.5800000 actual 3.5800000 clock 107.52 */
 446                 .dda1_inc       =    135,
 447                 .dda2_inc       =  20800,           .dda2_size          =  27456,
 448                 .dda3_inc       =      0,           .dda3_size          =      0,
 449                 .sc_reset       = TV_SC_RESET_EVERY_4,
 450                 .pal_burst      = false,
 451
 452                 .composite_levels = &ntsc_m_levels_composite,
 453                 .composite_color = &ntsc_m_csc_composite,
 454                 .svideo_levels  = &ntsc_m_levels_svideo,
 455                 .svideo_color = &ntsc_m_csc_svideo,
 456
 457                 .filter_table = filter_table,
 458         },
 459         {
 460                 .name           = "NTSC-443",
 461                 .clock          = 108000,
 462                 .refresh        = 59940,
 463                 .oversample     = TV_OVERSAMPLE_8X,
 464                 .component_only = 0,
 465                 /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 4.43MHz */
 466                 .hsync_end      = 64,               .hblank_end         = 124,
 467                 .hblank_start   = 836,              .htotal             = 857,
 468
 469                 .progressive    = false,            .trilevel_sync = false,
 470
 471                 .vsync_start_f1 = 6,                .vsync_start_f2     = 7,
 472                 .vsync_len      = 6,
 473
 474                 .veq_ena        = true,             .veq_start_f1       = 0,
 475                 .veq_start_f2   = 1,                .veq_len            = 18,
 476
 477                 .vi_end_f1      = 20,               .vi_end_f2          = 21,
 478                 .nbr_end        = 240,
 479
 480                 .burst_ena      = true,
 481                 .hburst_start   = 72,               .hburst_len         = 34,
 482                 .vburst_start_f1 = 9,               .vburst_end_f1      = 240,
 483                 .vburst_start_f2 = 10,              .vburst_end_f2      = 240,
 484                 .vburst_start_f3 = 9,               .vburst_end_f3      = 240,
 485                 .vburst_start_f4 = 10,              .vburst_end_f4      = 240,
 486
 487                 /* desired 4.4336180 actual 4.4336180 clock 107.52 */
 488                 .dda1_inc       =    168,
 489                 .dda2_inc       =   4093,       .dda2_size      =  27456,
 490                 .dda3_inc       =    310,       .dda3_size      =    525,
 491                 .sc_reset   = TV_SC_RESET_NEVER,
 492                 .pal_burst  = false,
 493
 494                 .composite_levels = &ntsc_m_levels_composite,
 495                 .composite_color = &ntsc_m_csc_composite,
 496                 .svideo_levels  = &ntsc_m_levels_svideo,
 497                 .svideo_color = &ntsc_m_csc_svideo,
 498
 499                 .filter_table = filter_table,
 500         },
 501         {
 502                 .name           = "NTSC-J",
 503                 .clock          = 108000,
 504                 .refresh        = 59940,
 505                 .oversample     = TV_OVERSAMPLE_8X,
 506                 .component_only = 0,
 507
 508                 /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */
 509                 .hsync_end      = 64,               .hblank_end         = 124,
 510                 .hblank_start = 836,        .htotal             = 857,
 511
 512                 .progressive    = false,    .trilevel_sync = false,
 513
 514                 .vsync_start_f1 = 6,        .vsync_start_f2     = 7,
 515                 .vsync_len      = 6,
 516
 517                 .veq_ena      = true,       .veq_start_f1       = 0,
 518                 .veq_start_f2 = 1,          .veq_len            = 18,
 519
 520                 .vi_end_f1      = 20,               .vi_end_f2          = 21,
 521                 .nbr_end        = 240,
 522
 523                 .burst_ena      = true,
 524                 .hburst_start   = 72,               .hburst_len         = 34,
 525                 .vburst_start_f1 = 9,               .vburst_end_f1      = 240,
 526                 .vburst_start_f2 = 10,              .vburst_end_f2      = 240,
 527                 .vburst_start_f3 = 9,               .vburst_end_f3      = 240,
 528                 .vburst_start_f4 = 10,              .vburst_end_f4      = 240,
 529
 530                 /* desired 3.5800000 actual 3.5800000 clock 107.52 */
 531                 .dda1_inc       =    135,
 532                 .dda2_inc       =  20800,           .dda2_size          =  27456,
 533                 .dda3_inc       =      0,           .dda3_size          =      0,
 534                 .sc_reset       = TV_SC_RESET_EVERY_4,
 535                 .pal_burst      = false,
 536
 537                 .composite_levels = &ntsc_j_levels_composite,
 538                 .composite_color = &ntsc_j_csc_composite,
 539                 .svideo_levels  = &ntsc_j_levels_svideo,
 540                 .svideo_color = &ntsc_j_csc_svideo,
 541
 542                 .filter_table = filter_table,
 543         },
 544         {
 545                 .name           = "PAL-M",
 546                 .clock          = 108000,
 547                 .refresh        = 59940,
 548                 .oversample     = TV_OVERSAMPLE_8X,
 549                 .component_only = 0,
 550
 551                 /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */
 552                 .hsync_end      = 64,             .hblank_end           = 124,
 553                 .hblank_start = 836,      .htotal               = 857,
 554
 555                 .progressive    = false,            .trilevel_sync = false,
 556
 557                 .vsync_start_f1 = 6,                .vsync_start_f2     = 7,
 558                 .vsync_len      = 6,
 559
 560                 .veq_ena        = true,             .veq_start_f1       = 0,
 561                 .veq_start_f2   = 1,                .veq_len            = 18,
 562
 563                 .vi_end_f1      = 20,               .vi_end_f2          = 21,
 564                 .nbr_end        = 240,
 565
 566                 .burst_ena      = true,
 567                 .hburst_start   = 72,               .hburst_len         = 34,
 568                 .vburst_start_f1 = 9,               .vburst_end_f1      = 240,
 569                 .vburst_start_f2 = 10,              .vburst_end_f2      = 240,
 570                 .vburst_start_f3 = 9,               .vburst_end_f3      = 240,
 571                 .vburst_start_f4 = 10,              .vburst_end_f4      = 240,
 572
 573                 /* desired 3.5800000 actual 3.5800000 clock 107.52 */
 574                 .dda1_inc       =    135,
 575                 .dda2_inc       =  16704,           .dda2_size          =  27456,
 576                 .dda3_inc       =      0,           .dda3_size          =      0,
 577                 .sc_reset       = TV_SC_RESET_EVERY_8,
 578                 .pal_burst  = true,
 579
 580                 .composite_levels = &pal_m_levels_composite,
 581                 .composite_color = &pal_m_csc_composite,
 582                 .svideo_levels  = &pal_m_levels_svideo,
 583                 .svideo_color = &pal_m_csc_svideo,
 584
 585                 .filter_table = filter_table,
 586         },
 587         {
 588                 /* 625 Lines, 50 Fields, 15.625KHz line, Sub-Carrier 4.434MHz */
 589                 .name       = "PAL-N",
 590                 .clock          = 108000,
 591                 .refresh        = 50000,
 592                 .oversample     = TV_OVERSAMPLE_8X,
 593                 .component_only = 0,
 594
 595                 .hsync_end      = 64,               .hblank_end         = 128,
 596                 .hblank_start = 844,        .htotal             = 863,
 597
 598                 .progressive  = false,    .trilevel_sync = false,
 599
 600
 601                 .vsync_start_f1 = 6,       .vsync_start_f2      = 7,
 602                 .vsync_len      = 6,
 603
 604                 .veq_ena        = true,             .veq_start_f1       = 0,
 605                 .veq_start_f2   = 1,                .veq_len            = 18,
 606
 607                 .vi_end_f1      = 24,               .vi_end_f2          = 25,
 608                 .nbr_end        = 286,
 609
 610                 .burst_ena      = true,
 611                 .hburst_start = 73,         .hburst_len         = 34,
 612                 .vburst_start_f1 = 8,       .vburst_end_f1      = 285,
 613                 .vburst_start_f2 = 8,       .vburst_end_f2      = 286,
 614                 .vburst_start_f3 = 9,       .vburst_end_f3      = 286,
 615                 .vburst_start_f4 = 9,       .vburst_end_f4      = 285,
 616
 617
 618                 /* desired 4.4336180 actual 4.4336180 clock 107.52 */
 619                 .dda1_inc       =    135,
 620                 .dda2_inc       =  23578,       .dda2_size      =  27648,
 621                 .dda3_inc       =    134,       .dda3_size      =    625,
 622                 .sc_reset   = TV_SC_RESET_EVERY_8,
 623                 .pal_burst  = true,
 624
 625                 .composite_levels = &pal_n_levels_composite,
 626                 .composite_color = &pal_n_csc_composite,
 627                 .svideo_levels  = &pal_n_levels_svideo,
 628                 .svideo_color = &pal_n_csc_svideo,
 629
 630                 .filter_table = filter_table,
 631         },
 632         {
 633                 /* 625 Lines, 50 Fields, 15.625KHz line, Sub-Carrier 4.434MHz */
 634                 .name       = "PAL",
 635                 .clock          = 108000,
 636                 .refresh        = 50000,
 637                 .oversample     = TV_OVERSAMPLE_8X,
 638                 .component_only = 0,
 639
 640                 .hsync_end      = 64,               .hblank_end         = 142,
 641                 .hblank_start   = 844,      .htotal             = 863,
 642
 643                 .progressive    = false,    .trilevel_sync = false,
 644
 645                 .vsync_start_f1 = 5,        .vsync_start_f2     = 6,
 646                 .vsync_len      = 5,
 647
 648                 .veq_ena        = true,     .veq_start_f1       = 0,
 649                 .veq_start_f2   = 1,        .veq_len            = 15,
 650
 651                 .vi_end_f1      = 24,               .vi_end_f2          = 25,
 652                 .nbr_end        = 286,
 653
 654                 .burst_ena      = true,
 655                 .hburst_start   = 73,               .hburst_len         = 32,
 656                 .vburst_start_f1 = 8,               .vburst_end_f1      = 285,
 657                 .vburst_start_f2 = 8,               .vburst_end_f2      = 286,
 658                 .vburst_start_f3 = 9,               .vburst_end_f3      = 286,
 659                 .vburst_start_f4 = 9,               .vburst_end_f4      = 285,
 660
 661                 /* desired 4.4336180 actual 4.4336180 clock 107.52 */
 662                 .dda1_inc       =    168,
 663                 .dda2_inc       =   4122,       .dda2_size      =  27648,
 664                 .dda3_inc       =     67,       .dda3_size      =    625,
 665                 .sc_reset   = TV_SC_RESET_EVERY_8,
 666                 .pal_burst  = true,
 667
 668                 .composite_levels = &pal_levels_composite,
 669                 .composite_color = &pal_csc_composite,
 670                 .svideo_levels  = &pal_levels_svideo,
 671                 .svideo_color = &pal_csc_svideo,
 672
 673                 .filter_table = filter_table,
 674         },
 675         {
 676                 .name       = "480p",
 677                 .clock          = 107520,
 678                 .refresh        = 59940,
 679                 .oversample     = TV_OVERSAMPLE_4X,
 680                 .component_only = 1,
 681
 682                 .hsync_end      = 64,               .hblank_end         = 122,
 683                 .hblank_start   = 842,              .htotal             = 857,
 684
 685                 .progressive    = true,             .trilevel_sync = false,
 686
 687                 .vsync_start_f1 = 12,               .vsync_start_f2     = 12,
 688                 .vsync_len      = 12,
 689
 690                 .veq_ena        = false,
 691
 692                 .vi_end_f1      = 44,               .vi_end_f2          = 44,
 693                 .nbr_end        = 479,
 694
 695                 .burst_ena      = false,
 696
 697                 .filter_table = filter_table,
 698         },
 699         {
 700                 .name       = "576p",
 701                 .clock          = 107520,
 702                 .refresh        = 50000,
 703                 .oversample     = TV_OVERSAMPLE_4X,
 704                 .component_only = 1,
 705
 706                 .hsync_end      = 64,               .hblank_end         = 139,
 707                 .hblank_start   = 859,              .htotal             = 863,
 708
 709                 .progressive    = true,             .trilevel_sync = false,
 710
 711                 .vsync_start_f1 = 10,               .vsync_start_f2     = 10,
 712                 .vsync_len      = 10,
 713
 714                 .veq_ena        = false,
 715
 716                 .vi_end_f1      = 48,               .vi_end_f2          = 48,
 717                 .nbr_end        = 575,
 718
 719                 .burst_ena      = false,
 720
 721                 .filter_table = filter_table,
 722         },
 723         {
 724                 .name       = "720p@60Hz",
 725                 .clock          = 148800,
 726                 .refresh        = 60000,
 727                 .oversample     = TV_OVERSAMPLE_2X,
 728                 .component_only = 1,
 729
 730                 .hsync_end      = 80,               .hblank_end         = 300,
 731                 .hblank_start   = 1580,             .htotal             = 1649,
 732
 733                 .progressive    = true,             .trilevel_sync = true,
 734
 735                 .vsync_start_f1 = 10,               .vsync_start_f2     = 10,
 736                 .vsync_len      = 10,
 737
 738                 .veq_ena        = false,
 739
 740                 .vi_end_f1      = 29,               .vi_end_f2          = 29,
 741                 .nbr_end        = 719,
 742
 743                 .burst_ena      = false,
 744
 745                 .filter_table = filter_table,
 746         },
 747         {
 748                 .name       = "720p@50Hz",
 749                 .clock          = 148800,
 750                 .refresh        = 50000,
 751                 .oversample     = TV_OVERSAMPLE_2X,
 752                 .component_only = 1,
 753
 754                 .hsync_end      = 80,               .hblank_end         = 300,
 755                 .hblank_start   = 1580,             .htotal             = 1979,
 756
 757                 .progressive    = true,             .trilevel_sync = true,
 758
 759                 .vsync_start_f1 = 10,               .vsync_start_f2     = 10,
 760                 .vsync_len      = 10,
 761
 762                 .veq_ena        = false,
 763
 764                 .vi_end_f1      = 29,               .vi_end_f2          = 29,
 765                 .nbr_end        = 719,
 766
 767                 .burst_ena      = false,
 768
 769                 .filter_table = filter_table,
 770                 .max_srcw = 800
 771         },
 772         {
 773                 .name       = "1080i@50Hz",
 774                 .clock          = 148800,
 775                 .refresh        = 50000,
 776                 .oversample     = TV_OVERSAMPLE_2X,
 777                 .component_only = 1,
 778
 779                 .hsync_end      = 88,               .hblank_end         = 235,
 780                 .hblank_start   = 2155,             .htotal             = 2639,
 781
 782                 .progressive    = false,          .trilevel_sync = true,
 783
 784                 .vsync_start_f1 = 4,              .vsync_start_f2     = 5,
 785                 .vsync_len      = 10,
 786
 787                 .veq_ena        = true,     .veq_start_f1       = 4,
 788                 .veq_start_f2   = 4,        .veq_len            = 10,
 789
 790
 791                 .vi_end_f1      = 21,           .vi_end_f2          = 22,
 792                 .nbr_end        = 539,
 793
 794                 .burst_ena      = false,
 795
 796                 .filter_table = filter_table,
 797         },
 798         {
 799                 .name       = "1080i@60Hz",
 800                 .clock          = 148800,
 801                 .refresh        = 60000,
 802                 .oversample     = TV_OVERSAMPLE_2X,
 803                 .component_only = 1,
 804
 805                 .hsync_end      = 88,               .hblank_end         = 235,
 806                 .hblank_start   = 2155,             .htotal             = 2199,
 807
 808                 .progressive    = false,            .trilevel_sync = true,
 809
 810                 .vsync_start_f1 = 4,               .vsync_start_f2     = 5,
 811                 .vsync_len      = 10,
 812
 813                 .veq_ena        = true,             .veq_start_f1       = 4,
 814                 .veq_start_f2   = 4,                .veq_len            = 10,
 815
 816
 817                 .vi_end_f1      = 21,               .vi_end_f2          = 22,
 818                 .nbr_end        = 539,
 819
 820                 .burst_ena      = false,
 821
 822                 .filter_table = filter_table,
 823         },
 824 };
 825
 826 static struct intel_tv *enc_to_intel_tv(struct drm_encoder *encoder)
 827 {
 828         return container_of(encoder, struct intel_tv, base.base);
 829 }
 830
 831 static struct intel_tv *intel_attached_tv(struct drm_connector *connector)
 832 {
 833         return container_of(intel_attached_encoder(connector),
 834                             struct intel_tv,
 835                             base);
 836 }
 837
 838 static bool
 839 intel_tv_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe)
 840 {
 841         struct drm_device *dev = encoder->base.dev;
 842         struct drm_i915_private *dev_priv = dev->dev_private;
 843         u32 tmp = I915_READ(TV_CTL);
 844
 845         if (!(tmp & TV_ENC_ENABLE))
 846                 return false;
 847
 848         *pipe = PORT_TO_PIPE(tmp);
 849
 850         return true;
 851 }
 852
 853 static void
 854 intel_enable_tv(struct intel_encoder *encoder)
 855 {
 856         struct drm_device *dev = encoder->base.dev;
 857         struct drm_i915_private *dev_priv = dev->dev_private;
 858
 859         I915_WRITE(TV_CTL, I915_READ(TV_CTL) | TV_ENC_ENABLE);
 860 }
 861
 862 static void
 863 intel_disable_tv(struct intel_encoder *encoder)
 864 {
 865         struct drm_device *dev = encoder->base.dev;
 866         struct drm_i915_private *dev_priv = dev->dev_private;
 867
 868         I915_WRITE(TV_CTL, I915_READ(TV_CTL) & ~TV_ENC_ENABLE);
 869 }
 870
 871 static const struct tv_mode *
 872 intel_tv_mode_lookup(const char *tv_format)
 873 {
 874         int i;
 875
 876         for (i = 0; i < ARRAY_SIZE(tv_modes); i++) {
 877                 const struct tv_mode *tv_mode = &tv_modes[i];
 878
 879                 if (!strcmp(tv_format, tv_mode->name))
 880                         return tv_mode;
 881         }
 882         return NULL;
 883 }
 884
 885 static const struct tv_mode *
 886 intel_tv_mode_find(struct intel_tv *intel_tv)
 887 {
 888         return intel_tv_mode_lookup(intel_tv->tv_format);
 889 }
 890
 891 static enum drm_mode_status
 892 intel_tv_mode_valid(struct drm_connector *connector,
 893                     struct drm_display_mode *mode)
 894 {
 895         struct intel_tv *intel_tv = intel_attached_tv(connector);
 896         const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
 897
 898         /* Ensure TV refresh is close to desired refresh */
 899         if (tv_mode && abs(tv_mode->refresh - drm_mode_vrefresh(mode) * 1000)
 900                                 < 1000)
 901                 return MODE_OK;
 902
 903         return MODE_CLOCK_RANGE;
 904 }
 905
 906
 907 static bool
 908 intel_tv_mode_fixup(struct drm_encoder *encoder,
 909                     const struct drm_display_mode *mode,
 910                     struct drm_display_mode *adjusted_mode)
 911 {
 912         struct intel_tv *intel_tv = enc_to_intel_tv(encoder);
 913         const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
 914
 915         if (!tv_mode)
 916                 return false;
 917
 918         if (intel_encoder_check_is_cloned(&intel_tv->base))
 919                 return false;
 920
 921         adjusted_mode->clock = tv_mode->clock;
 922         return true;
 923 }
 924
 925 static void
 926 intel_tv_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
 927                   struct drm_display_mode *adjusted_mode)
 928 {
 929         struct drm_device *dev = encoder->dev;
 930         struct drm_i915_private *dev_priv = dev->dev_private;
 931         struct drm_crtc *crtc = encoder->crtc;
 932         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 933         struct intel_tv *intel_tv = enc_to_intel_tv(encoder);
 934         const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
 935         u32 tv_ctl;
 936         u32 hctl1, hctl2, hctl3;
 937         u32 vctl1, vctl2, vctl3, vctl4, vctl5, vctl6, vctl7;
 938         u32 scctl1, scctl2, scctl3;
 939         int i, j;
 940         const struct video_levels *video_levels;
 941         const struct color_conversion *color_conversion;
 942         bool burst_ena;
 943         int pipe = intel_crtc->pipe;
 944
 945         if (!tv_mode)
 946                 return; /* can't happen (mode_prepare prevents this) */
 947
 948         tv_ctl = I915_READ(TV_CTL);
 949         tv_ctl &= TV_CTL_SAVE;
 950
 951         switch (intel_tv->type) {
 952         default:
 953         case DRM_MODE_CONNECTOR_Unknown:
 954         case DRM_MODE_CONNECTOR_Composite:
 955                 tv_ctl |= TV_ENC_OUTPUT_COMPOSITE;
 956                 video_levels = tv_mode->composite_levels;
 957                 color_conversion = tv_mode->composite_color;
 958                 burst_ena = tv_mode->burst_ena;
 959                 break;
 960         case DRM_MODE_CONNECTOR_Component:
 961                 tv_ctl |= TV_ENC_OUTPUT_COMPONENT;
 962                 video_levels = &component_levels;
 963                 if (tv_mode->burst_ena)
 964                         color_conversion = &sdtv_csc_yprpb;
 965                 else
 966                         color_conversion = &hdtv_csc_yprpb;
 967                 burst_ena = false;
 968                 break;
 969         case DRM_MODE_CONNECTOR_SVIDEO:
 970                 tv_ctl |= TV_ENC_OUTPUT_SVIDEO;
 971                 video_levels = tv_mode->svideo_levels;
 972                 color_conversion = tv_mode->svideo_color;
 973                 burst_ena = tv_mode->burst_ena;
 974                 break;
 975         }
 976         hctl1 = (tv_mode->hsync_end << TV_HSYNC_END_SHIFT) |
 977                 (tv_mode->htotal << TV_HTOTAL_SHIFT);
 978
 979         hctl2 = (tv_mode->hburst_start << 16) |
 980                 (tv_mode->hburst_len << TV_HBURST_LEN_SHIFT);
 981
 982         if (burst_ena)
 983                 hctl2 |= TV_BURST_ENA;
 984
 985         hctl3 = (tv_mode->hblank_start << TV_HBLANK_START_SHIFT) |
 986                 (tv_mode->hblank_end << TV_HBLANK_END_SHIFT);
 987
 988         vctl1 = (tv_mode->nbr_end << TV_NBR_END_SHIFT) |
 989                 (tv_mode->vi_end_f1 << TV_VI_END_F1_SHIFT) |
 990                 (tv_mode->vi_end_f2 << TV_VI_END_F2_SHIFT);
 991
 992         vctl2 = (tv_mode->vsync_len << TV_VSYNC_LEN_SHIFT) |
 993                 (tv_mode->vsync_start_f1 << TV_VSYNC_START_F1_SHIFT) |
 994                 (tv_mode->vsync_start_f2 << TV_VSYNC_START_F2_SHIFT);
 995
 996         vctl3 = (tv_mode->veq_len << TV_VEQ_LEN_SHIFT) |
 997                 (tv_mode->veq_start_f1 << TV_VEQ_START_F1_SHIFT) |
 998                 (tv_mode->veq_start_f2 << TV_VEQ_START_F2_SHIFT);
 999
1000         if (tv_mode->veq_ena)
1001                 vctl3 |= TV_EQUAL_ENA;
1002
1003         vctl4 = (tv_mode->vburst_start_f1 << TV_VBURST_START_F1_SHIFT) |
1004                 (tv_mode->vburst_end_f1 << TV_VBURST_END_F1_SHIFT);
1005
1006         vctl5 = (tv_mode->vburst_start_f2 << TV_VBURST_START_F2_SHIFT) |
1007                 (tv_mode->vburst_end_f2 << TV_VBURST_END_F2_SHIFT);
1008
1009         vctl6 = (tv_mode->vburst_start_f3 << TV_VBURST_START_F3_SHIFT) |
1010                 (tv_mode->vburst_end_f3 << TV_VBURST_END_F3_SHIFT);
1011
1012         vctl7 = (tv_mode->vburst_start_f4 << TV_VBURST_START_F4_SHIFT) |
1013                 (tv_mode->vburst_end_f4 << TV_VBURST_END_F4_SHIFT);
1014
1015         if (intel_crtc->pipe == 1)
1016                 tv_ctl |= TV_ENC_PIPEB_SELECT;
1017         tv_ctl |= tv_mode->oversample;
1018
1019         if (tv_mode->progressive)
1020                 tv_ctl |= TV_PROGRESSIVE;
1021         if (tv_mode->trilevel_sync)
1022                 tv_ctl |= TV_TRILEVEL_SYNC;
1023         if (tv_mode->pal_burst)
1024                 tv_ctl |= TV_PAL_BURST;
1025
1026         scctl1 = 0;
1027         if (tv_mode->dda1_inc)
1028                 scctl1 |= TV_SC_DDA1_EN;
1029         if (tv_mode->dda2_inc)
1030                 scctl1 |= TV_SC_DDA2_EN;
1031         if (tv_mode->dda3_inc)
1032                 scctl1 |= TV_SC_DDA3_EN;
1033         scctl1 |= tv_mode->sc_reset;
1034         if (video_levels)
1035                 scctl1 |= video_levels->burst << TV_BURST_LEVEL_SHIFT;
1036         scctl1 |= tv_mode->dda1_inc << TV_SCDDA1_INC_SHIFT;
1037
1038         scctl2 = tv_mode->dda2_size << TV_SCDDA2_SIZE_SHIFT |
1039                 tv_mode->dda2_inc << TV_SCDDA2_INC_SHIFT;
1040
1041         scctl3 = tv_mode->dda3_size << TV_SCDDA3_SIZE_SHIFT |
1042                 tv_mode->dda3_inc << TV_SCDDA3_INC_SHIFT;
1043
1044         /* Enable two fixes for the chips that need them. */
1045         if (dev->pci_device < 0x2772)
1046                 tv_ctl |= TV_ENC_C0_FIX | TV_ENC_SDP_FIX;
1047
1048         I915_WRITE(TV_H_CTL_1, hctl1);
1049         I915_WRITE(TV_H_CTL_2, hctl2);
1050         I915_WRITE(TV_H_CTL_3, hctl3);
1051         I915_WRITE(TV_V_CTL_1, vctl1);
1052         I915_WRITE(TV_V_CTL_2, vctl2);
1053         I915_WRITE(TV_V_CTL_3, vctl3);
1054         I915_WRITE(TV_V_CTL_4, vctl4);
1055         I915_WRITE(TV_V_CTL_5, vctl5);
1056         I915_WRITE(TV_V_CTL_6, vctl6);
1057         I915_WRITE(TV_V_CTL_7, vctl7);
1058         I915_WRITE(TV_SC_CTL_1, scctl1);
1059         I915_WRITE(TV_SC_CTL_2, scctl2);
1060         I915_WRITE(TV_SC_CTL_3, scctl3);
1061
1062         if (color_conversion) {
1063                 I915_WRITE(TV_CSC_Y, (color_conversion->ry << 16) |
1064                            color_conversion->gy);
1065                 I915_WRITE(TV_CSC_Y2, (color_conversion->by << 16) |
1066                            color_conversion->ay);
1067                 I915_WRITE(TV_CSC_U, (color_conversion->ru << 16) |
1068                            color_conversion->gu);
1069                 I915_WRITE(TV_CSC_U2, (color_conversion->bu << 16) |
1070                            color_conversion->au);
1071                 I915_WRITE(TV_CSC_V, (color_conversion->rv << 16) |
1072                            color_conversion->gv);
1073                 I915_WRITE(TV_CSC_V2, (color_conversion->bv << 16) |
1074                            color_conversion->av);
1075         }
1076
1077         if (INTEL_INFO(dev)->gen >= 4)
1078                 I915_WRITE(TV_CLR_KNOBS, 0x00404000);
1079         else
1080                 I915_WRITE(TV_CLR_KNOBS, 0x00606000);
1081
1082         if (video_levels)
1083                 I915_WRITE(TV_CLR_LEVEL,
1084                            ((video_levels->black << TV_BLACK_LEVEL_SHIFT) |
1085                             (video_levels->blank << TV_BLANK_LEVEL_SHIFT)));
1086         {
1087                 int pipeconf_reg = PIPECONF(pipe);
1088                 int dspcntr_reg = DSPCNTR(intel_crtc->plane);
1089                 int pipeconf = I915_READ(pipeconf_reg);
1090                 int dspcntr = I915_READ(dspcntr_reg);
1091                 int dspbase_reg = DSPADDR(intel_crtc->plane);
1092                 int xpos = 0x0, ypos = 0x0;
1093                 unsigned int xsize, ysize;
1094                 /* Pipe must be off here */
1095                 I915_WRITE(dspcntr_reg, dspcntr & ~DISPLAY_PLANE_ENABLE);
1096                 /* Flush the plane changes */
1097                 I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
1098
1099                 /* Wait for vblank for the disable to take effect */
1100                 if (IS_GEN2(dev))
1101                         intel_wait_for_vblank(dev, intel_crtc->pipe);
1102
1103                 I915_WRITE(pipeconf_reg, pipeconf & ~PIPECONF_ENABLE);
1104                 /* Wait for vblank for the disable to take effect. */
1105                 intel_wait_for_pipe_off(dev, intel_crtc->pipe);
1106
1107                 /* Filter ctl must be set before TV_WIN_SIZE */
1108                 I915_WRITE(TV_FILTER_CTL_1, TV_AUTO_SCALE);
1109                 xsize = tv_mode->hblank_start - tv_mode->hblank_end;
1110                 if (tv_mode->progressive)
1111                         ysize = tv_mode->nbr_end + 1;
1112                 else
1113                         ysize = 2*tv_mode->nbr_end + 1;
1114
1115                 xpos += intel_tv->margin[TV_MARGIN_LEFT];
1116                 ypos += intel_tv->margin[TV_MARGIN_TOP];
1117                 xsize -= (intel_tv->margin[TV_MARGIN_LEFT] +
1118                           intel_tv->margin[TV_MARGIN_RIGHT]);
1119                 ysize -= (intel_tv->margin[TV_MARGIN_TOP] +
1120                           intel_tv->margin[TV_MARGIN_BOTTOM]);
1121                 I915_WRITE(TV_WIN_POS, (xpos<<16)|ypos);
1122                 I915_WRITE(TV_WIN_SIZE, (xsize<<16)|ysize);
1123
1124                 I915_WRITE(pipeconf_reg, pipeconf);
1125                 I915_WRITE(dspcntr_reg, dspcntr);
1126                 /* Flush the plane changes */
1127                 I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
1128         }
1129
1130         j = 0;
1131         for (i = 0; i < 60; i++)
1132                 I915_WRITE(TV_H_LUMA_0 + (i<<2), tv_mode->filter_table[j++]);
1133         for (i = 0; i < 60; i++)
1134                 I915_WRITE(TV_H_CHROMA_0 + (i<<2), tv_mode->filter_table[j++]);
1135         for (i = 0; i < 43; i++)
1136                 I915_WRITE(TV_V_LUMA_0 + (i<<2), tv_mode->filter_table[j++]);
1137         for (i = 0; i < 43; i++)
1138                 I915_WRITE(TV_V_CHROMA_0 + (i<<2), tv_mode->filter_table[j++]);
1139         I915_WRITE(TV_DAC, I915_READ(TV_DAC) & TV_DAC_SAVE);
1140         I915_WRITE(TV_CTL, tv_ctl);
1141 }
1142
1143 static const struct drm_display_mode reported_modes[] = {
1144         {
1145                 .name = "NTSC 480i",
1146                 .clock = 107520,
1147                 .hdisplay = 1280,
1148                 .hsync_start = 1368,
1149                 .hsync_end = 1496,
1150                 .htotal = 1712,
1151
1152                 .vdisplay = 1024,
1153                 .vsync_start = 1027,
1154                 .vsync_end = 1034,
1155                 .vtotal = 1104,
1156                 .type = DRM_MODE_TYPE_DRIVER,
1157         },
1158 };
1159
1160 /**
1161  * Detects TV presence by checking for load.
1162  *
1163  * Requires that the current pipe's DPLL is active.
1164
1165  * \return true if TV is connected.
1166  * \return false if TV is disconnected.
1167  */
1168 static int
1169 intel_tv_detect_type(struct intel_tv *intel_tv,
1170                       struct drm_connector *connector)
1171 {
1172         struct drm_encoder *encoder = &intel_tv->base.base;
1173         struct drm_crtc *crtc = encoder->crtc;
1174         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
1175         struct drm_device *dev = encoder->dev;
1176         struct drm_i915_private *dev_priv = dev->dev_private;
1177         unsigned long irqflags;
1178         u32 tv_ctl, save_tv_ctl;
1179         u32 tv_dac, save_tv_dac;
1180         int type;
1181
1182         /* Disable TV interrupts around load detect or we'll recurse */
1183         if (connector->polled & DRM_CONNECTOR_POLL_HPD) {
1184                 spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
1185                 i915_disable_pipestat(dev_priv, 0,
1186                                       PIPE_HOTPLUG_INTERRUPT_ENABLE |
1187                                       PIPE_HOTPLUG_TV_INTERRUPT_ENABLE);
1188                 spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
1189         }
1190
1191         save_tv_dac = tv_dac = I915_READ(TV_DAC);
1192         save_tv_ctl = tv_ctl = I915_READ(TV_CTL);
1193
1194         /* Poll for TV detection */
1195         tv_ctl &= ~(TV_ENC_ENABLE | TV_TEST_MODE_MASK);
1196         tv_ctl |= TV_TEST_MODE_MONITOR_DETECT;
1197         if (intel_crtc->pipe == 1)
1198                 tv_ctl |= TV_ENC_PIPEB_SELECT;
1199         else
1200                 tv_ctl &= ~TV_ENC_PIPEB_SELECT;
1201
1202         tv_dac &= ~(TVDAC_SENSE_MASK | DAC_A_MASK | DAC_B_MASK | DAC_C_MASK);
1203         tv_dac |= (TVDAC_STATE_CHG_EN |
1204                    TVDAC_A_SENSE_CTL |
1205                    TVDAC_B_SENSE_CTL |
1206                    TVDAC_C_SENSE_CTL |
1207                    DAC_CTL_OVERRIDE |
1208                    DAC_A_0_7_V |
1209                    DAC_B_0_7_V |
1210                    DAC_C_0_7_V);
1211
1212
1213         /*
1214          * The TV sense state should be cleared to zero on cantiga platform. Otherwise
1215          * the TV is misdetected. This is hardware requirement.
1216          */
1217         if (IS_GM45(dev))
1218                 tv_dac &= ~(TVDAC_STATE_CHG_EN | TVDAC_A_SENSE_CTL |
1219                             TVDAC_B_SENSE_CTL | TVDAC_C_SENSE_CTL);
1220
1221         I915_WRITE(TV_CTL, tv_ctl);
1222         I915_WRITE(TV_DAC, tv_dac);
1223         POSTING_READ(TV_DAC);
1224
1225         intel_wait_for_vblank(intel_tv->base.base.dev,
1226                               to_intel_crtc(intel_tv->base.base.crtc)->pipe);
1227
1228         type = -1;
1229         tv_dac = I915_READ(TV_DAC);
1230         DRM_DEBUG_KMS("TV detected: %x, %x\n", tv_ctl, tv_dac);
1231         /*
1232          *  A B C
1233          *  0 1 1 Composite
1234          *  1 0 X svideo
1235          *  0 0 0 Component
1236          */
1237         if ((tv_dac & TVDAC_SENSE_MASK) == (TVDAC_B_SENSE | TVDAC_C_SENSE)) {
1238                 DRM_DEBUG_KMS("Detected Composite TV connection\n");
1239                 type = DRM_MODE_CONNECTOR_Composite;
1240         } else if ((tv_dac & (TVDAC_A_SENSE|TVDAC_B_SENSE)) == TVDAC_A_SENSE) {
1241                 DRM_DEBUG_KMS("Detected S-Video TV connection\n");
1242                 type = DRM_MODE_CONNECTOR_SVIDEO;
1243         } else if ((tv_dac & TVDAC_SENSE_MASK) == 0) {
1244                 DRM_DEBUG_KMS("Detected Component TV connection\n");
1245                 type = DRM_MODE_CONNECTOR_Component;
1246         } else {
1247                 DRM_DEBUG_KMS("Unrecognised TV connection\n");
1248                 type = -1;
1249         }
1250
1251         I915_WRITE(TV_DAC, save_tv_dac & ~TVDAC_STATE_CHG_EN);
1252         I915_WRITE(TV_CTL, save_tv_ctl);
1253         POSTING_READ(TV_CTL);
1254
1255         /* For unknown reasons the hw barfs if we don't do this vblank wait. */
1256         intel_wait_for_vblank(intel_tv->base.base.dev,
1257                               to_intel_crtc(intel_tv->base.base.crtc)->pipe);
1258
1259         /* Restore interrupt config */
1260         if (connector->polled & DRM_CONNECTOR_POLL_HPD) {
1261                 spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
1262                 i915_enable_pipestat(dev_priv, 0,
1263                                      PIPE_HOTPLUG_INTERRUPT_ENABLE |
1264                                      PIPE_HOTPLUG_TV_INTERRUPT_ENABLE);
1265                 spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
1266         }
1267
1268         return type;
1269 }
1270
1271 /*
1272  * Here we set accurate tv format according to connector type
1273  * i.e Component TV should not be assigned by NTSC or PAL
1274  */
1275 static void intel_tv_find_better_format(struct drm_connector *connector)
1276 {
1277         struct intel_tv *intel_tv = intel_attached_tv(connector);
1278         const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
1279         int i;
1280
1281         if ((intel_tv->type == DRM_MODE_CONNECTOR_Component) ==
1282                 tv_mode->component_only)
1283                 return;
1284
1285
1286         for (i = 0; i < sizeof(tv_modes) / sizeof(*tv_modes); i++) {
1287                 tv_mode = tv_modes + i;
1288
1289                 if ((intel_tv->type == DRM_MODE_CONNECTOR_Component) ==
1290                         tv_mode->component_only)
1291                         break;
1292         }
1293
1294         intel_tv->tv_format = tv_mode->name;
1295         drm_connector_property_set_value(connector,
1296                 connector->dev->mode_config.tv_mode_property, i);
1297 }
1298
1299 /**
1300  * Detect the TV connection.
1301  *
1302  * Currently this always returns CONNECTOR_STATUS_UNKNOWN, as we need to be sure
1303  * we have a pipe programmed in order to probe the TV.
1304  */
1305 static enum drm_connector_status
1306 intel_tv_detect(struct drm_connector *connector, bool force)
1307 {
1308         struct drm_display_mode mode;
1309         struct intel_tv *intel_tv = intel_attached_tv(connector);
1310         int type;
1311
1312         mode = reported_modes[0];
1313
1314         if (force) {
1315                 struct intel_load_detect_pipe tmp;
1316
1317                 if (intel_get_load_detect_pipe(connector, &mode, &tmp)) {
1318                         type = intel_tv_detect_type(intel_tv, connector);
1319                         intel_release_load_detect_pipe(connector, &tmp);
1320                 } else
1321                         return connector_status_unknown;
1322         } else
1323                 return connector->status;
1324
1325         if (type < 0)
1326                 return connector_status_disconnected;
1327
1328         intel_tv->type = type;
1329         intel_tv_find_better_format(connector);
1330
1331         return connector_status_connected;
1332 }
1333
1334 static const struct input_res {
1335         const char *name;
1336         int w, h;
1337 } input_res_table[] = {
1338         {"640x480", 640, 480},
1339         {"800x600", 800, 600},
1340         {"1024x768", 1024, 768},
1341         {"1280x1024", 1280, 1024},
1342         {"848x480", 848, 480},
1343         {"1280x720", 1280, 720},
1344         {"1920x1080", 1920, 1080},
1345 };
1346
1347 /*
1348  * Chose preferred mode  according to line number of TV format
1349  */
1350 static void
1351 intel_tv_chose_preferred_modes(struct drm_connector *connector,
1352                                struct drm_display_mode *mode_ptr)
1353 {
1354         struct intel_tv *intel_tv = intel_attached_tv(connector);
1355         const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
1356
1357         if (tv_mode->nbr_end < 480 && mode_ptr->vdisplay == 480)
1358                 mode_ptr->type |= DRM_MODE_TYPE_PREFERRED;
1359         else if (tv_mode->nbr_end > 480) {
1360                 if (tv_mode->progressive == true && tv_mode->nbr_end < 720) {
1361                         if (mode_ptr->vdisplay == 720)
1362                                 mode_ptr->type |= DRM_MODE_TYPE_PREFERRED;
1363                 } else if (mode_ptr->vdisplay == 1080)
1364                                 mode_ptr->type |= DRM_MODE_TYPE_PREFERRED;
1365         }
1366 }
1367
1368 /**
1369  * Stub get_modes function.
1370  *
1371  * This should probably return a set of fixed modes, unless we can figure out
1372  * how to probe modes off of TV connections.
1373  */
1374
1375 static int
1376 intel_tv_get_modes(struct drm_connector *connector)
1377 {
1378         struct drm_display_mode *mode_ptr;
1379         struct intel_tv *intel_tv = intel_attached_tv(connector);
1380         const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
1381         int j, count = 0;
1382         u64 tmp;
1383
1384         for (j = 0; j < ARRAY_SIZE(input_res_table);
1385              j++) {
1386                 const struct input_res *input = &input_res_table[j];
1387                 unsigned int hactive_s = input->w;
1388                 unsigned int vactive_s = input->h;
1389
1390                 if (tv_mode->max_srcw && input->w > tv_mode->max_srcw)
1391                         continue;
1392
1393                 if (input->w > 1024 && (!tv_mode->progressive
1394                                         && !tv_mode->component_only))
1395                         continue;
1396
1397                 mode_ptr = drm_mode_create(connector->dev);
1398                 if (!mode_ptr)
1399                         continue;
1400                 strncpy(mode_ptr->name, input->name, DRM_DISPLAY_MODE_LEN);
1401
1402                 mode_ptr->hdisplay = hactive_s;
1403                 mode_ptr->hsync_start = hactive_s + 1;
1404                 mode_ptr->hsync_end = hactive_s + 64;
1405                 if (mode_ptr->hsync_end <= mode_ptr->hsync_start)
1406                         mode_ptr->hsync_end = mode_ptr->hsync_start + 1;
1407                 mode_ptr->htotal = hactive_s + 96;
1408
1409                 mode_ptr->vdisplay = vactive_s;
1410                 mode_ptr->vsync_start = vactive_s + 1;
1411                 mode_ptr->vsync_end = vactive_s + 32;
1412                 if (mode_ptr->vsync_end <= mode_ptr->vsync_start)
1413                         mode_ptr->vsync_end = mode_ptr->vsync_start  + 1;
1414                 mode_ptr->vtotal = vactive_s + 33;
1415
1416                 tmp = (u64) tv_mode->refresh * mode_ptr->vtotal;
1417                 tmp *= mode_ptr->htotal;
1418                 tmp = div_u64(tmp, 1000000);
1419                 mode_ptr->clock = (int) tmp;
1420
1421                 mode_ptr->type = DRM_MODE_TYPE_DRIVER;
1422                 intel_tv_chose_preferred_modes(connector, mode_ptr);
1423                 drm_mode_probed_add(connector, mode_ptr);
1424                 count++;
1425         }
1426
1427         return count;
1428 }
1429
1430 static void
1431 intel_tv_destroy(struct drm_connector *connector)
1432 {
1433         drm_sysfs_connector_remove(connector);
1434         drm_connector_cleanup(connector);
1435         kfree(connector);
1436 }
1437
1438
1439 static int
1440 intel_tv_set_property(struct drm_connector *connector, struct drm_property *property,
1441                       uint64_t val)
1442 {
1443         struct drm_device *dev = connector->dev;
1444         struct intel_tv *intel_tv = intel_attached_tv(connector);
1445         struct drm_crtc *crtc = intel_tv->base.base.crtc;
1446         int ret = 0;
1447         bool changed = false;
1448
1449         ret = drm_connector_property_set_value(connector, property, val);
1450         if (ret < 0)
1451                 goto out;
1452
1453         if (property == dev->mode_config.tv_left_margin_property &&
1454                 intel_tv->margin[TV_MARGIN_LEFT] != val) {
1455                 intel_tv->margin[TV_MARGIN_LEFT] = val;
1456                 changed = true;
1457         } else if (property == dev->mode_config.tv_right_margin_property &&
1458                 intel_tv->margin[TV_MARGIN_RIGHT] != val) {
1459                 intel_tv->margin[TV_MARGIN_RIGHT] = val;
1460                 changed = true;
1461         } else if (property == dev->mode_config.tv_top_margin_property &&
1462                 intel_tv->margin[TV_MARGIN_TOP] != val) {
1463                 intel_tv->margin[TV_MARGIN_TOP] = val;
1464                 changed = true;
1465         } else if (property == dev->mode_config.tv_bottom_margin_property &&
1466                 intel_tv->margin[TV_MARGIN_BOTTOM] != val) {
1467                 intel_tv->margin[TV_MARGIN_BOTTOM] = val;
1468                 changed = true;
1469         } else if (property == dev->mode_config.tv_mode_property) {
1470                 if (val >= ARRAY_SIZE(tv_modes)) {
1471                         ret = -EINVAL;
1472                         goto out;
1473                 }
1474                 if (!strcmp(intel_tv->tv_format, tv_modes[val].name))
1475                         goto out;
1476
1477                 intel_tv->tv_format = tv_modes[val].name;
1478                 changed = true;
1479         } else {
1480                 ret = -EINVAL;
1481                 goto out;
1482         }
1483
1484         if (changed && crtc)
1485                 intel_set_mode(crtc, &crtc->mode,
1486                                crtc->x, crtc->y, crtc->fb);
1487 out:
1488         return ret;
1489 }
1490
1491 static const struct drm_encoder_helper_funcs intel_tv_helper_funcs = {
1492         .mode_fixup = intel_tv_mode_fixup,
1493         .mode_set = intel_tv_mode_set,
1494         .disable = intel_encoder_noop,
1495 };
1496
1497 static const struct drm_connector_funcs intel_tv_connector_funcs = {
1498         .dpms = intel_connector_dpms,
1499         .detect = intel_tv_detect,
1500         .destroy = intel_tv_destroy,
1501         .set_property = intel_tv_set_property,
1502         .fill_modes = drm_helper_probe_single_connector_modes,
1503 };
1504
1505 static const struct drm_connector_helper_funcs intel_tv_connector_helper_funcs = {
1506         .mode_valid = intel_tv_mode_valid,
1507         .get_modes = intel_tv_get_modes,
1508         .best_encoder = intel_best_encoder,
1509 };
1510
1511 static const struct drm_encoder_funcs intel_tv_enc_funcs = {
1512         .destroy = intel_encoder_destroy,
1513 };
1514
1515 /*
1516  * Enumerate the child dev array parsed from VBT to check whether
1517  * the integrated TV is present.
1518  * If it is present, return 1.
1519  * If it is not present, return false.
1520  * If no child dev is parsed from VBT, it assumes that the TV is present.
1521  */
1522 static int tv_is_present_in_vbt(struct drm_device *dev)
1523 {
1524         struct drm_i915_private *dev_priv = dev->dev_private;
1525         struct child_device_config *p_child;
1526         int i, ret;
1527
1528         if (!dev_priv->child_dev_num)
1529                 return 1;
1530
1531         ret = 0;
1532         for (i = 0; i < dev_priv->child_dev_num; i++) {
1533                 p_child = dev_priv->child_dev + i;
1534                 /*
1535                  * If the device type is not TV, continue.
1536                  */
1537                 if (p_child->device_type != DEVICE_TYPE_INT_TV &&
1538                         p_child->device_type != DEVICE_TYPE_TV)
1539                         continue;
1540                 /* Only when the addin_offset is non-zero, it is regarded
1541                  * as present.
1542                  */
1543                 if (p_child->addin_offset) {
1544                         ret = 1;
1545                         break;
1546                 }
1547         }
1548         return ret;
1549 }
1550
1551 void
1552 intel_tv_init(struct drm_device *dev)
1553 {
1554         struct drm_i915_private *dev_priv = dev->dev_private;
1555         struct drm_connector *connector;
1556         struct intel_tv *intel_tv;
1557         struct intel_encoder *intel_encoder;
1558         struct intel_connector *intel_connector;
1559         u32 tv_dac_on, tv_dac_off, save_tv_dac;
1560         char *tv_format_names[ARRAY_SIZE(tv_modes)];
1561         int i, initial_mode = 0;
1562
1563         if ((I915_READ(TV_CTL) & TV_FUSE_STATE_MASK) == TV_FUSE_STATE_DISABLED)
1564                 return;
1565
1566         if (!tv_is_present_in_vbt(dev)) {
1567                 DRM_DEBUG_KMS("Integrated TV is not present.\n");
1568                 return;
1569         }
1570         /* Even if we have an encoder we may not have a connector */
1571         if (!dev_priv->int_tv_support)
1572                 return;
1573
1574         /*
1575          * Sanity check the TV output by checking to see if the
1576          * DAC register holds a value
1577          */
1578         save_tv_dac = I915_READ(TV_DAC);
1579
1580         I915_WRITE(TV_DAC, save_tv_dac | TVDAC_STATE_CHG_EN);
1581         tv_dac_on = I915_READ(TV_DAC);
1582
1583         I915_WRITE(TV_DAC, save_tv_dac & ~TVDAC_STATE_CHG_EN);
1584         tv_dac_off = I915_READ(TV_DAC);
1585
1586         I915_WRITE(TV_DAC, save_tv_dac);
1587
1588         /*
1589          * If the register does not hold the state change enable
1590          * bit, (either as a 0 or a 1), assume it doesn't really
1591          * exist
1592          */
1593         if ((tv_dac_on & TVDAC_STATE_CHG_EN) == 0 ||
1594             (tv_dac_off & TVDAC_STATE_CHG_EN) != 0)
1595                 return;
1596
1597         intel_tv = kzalloc(sizeof(struct intel_tv), GFP_KERNEL);
1598         if (!intel_tv) {
1599                 return;
1600         }
1601
1602         intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
1603         if (!intel_connector) {
1604                 kfree(intel_tv);
1605                 return;
1606         }
1607
1608         intel_encoder = &intel_tv->base;
1609         connector = &intel_connector->base;
1610
1611         /* The documentation, for the older chipsets at least, recommend
1612          * using a polling method rather than hotplug detection for TVs.
1613          * This is because in order to perform the hotplug detection, the PLLs
1614          * for the TV must be kept alive increasing power drain and starving
1615          * bandwidth from other encoders. Notably for instance, it causes
1616          * pipe underruns on Crestline when this encoder is supposedly idle.
1617          *
1618          * More recent chipsets favour HDMI rather than integrated S-Video.
1619          */
1620         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1621
1622         drm_connector_init(dev, connector, &intel_tv_connector_funcs,
1623                            DRM_MODE_CONNECTOR_SVIDEO);
1624
1625         drm_encoder_init(dev, &intel_encoder->base, &intel_tv_enc_funcs,
1626                          DRM_MODE_ENCODER_TVDAC);
1627
1628         intel_encoder->enable = intel_enable_tv;
1629         intel_encoder->disable = intel_disable_tv;
1630         intel_encoder->get_hw_state = intel_tv_get_hw_state;
1631         intel_connector->get_hw_state = intel_connector_get_hw_state;
1632
1633         intel_connector_attach_encoder(intel_connector, intel_encoder);
1634         intel_encoder->type = INTEL_OUTPUT_TVOUT;
1635         intel_encoder->crtc_mask = (1 << 0) | (1 << 1);
1636         intel_encoder->cloneable = false;
1637         intel_encoder->base.possible_crtcs = ((1 << 0) | (1 << 1));
1638         intel_encoder->base.possible_clones = (1 << INTEL_OUTPUT_TVOUT);
1639         intel_tv->type = DRM_MODE_CONNECTOR_Unknown;
1640
1641         /* BIOS margin values */
1642         intel_tv->margin[TV_MARGIN_LEFT] = 54;
1643         intel_tv->margin[TV_MARGIN_TOP] = 36;
1644         intel_tv->margin[TV_MARGIN_RIGHT] = 46;
1645         intel_tv->margin[TV_MARGIN_BOTTOM] = 37;
1646
1647         intel_tv->tv_format = tv_modes[initial_mode].name;
1648
1649         drm_encoder_helper_add(&intel_encoder->base, &intel_tv_helper_funcs);
1650         drm_connector_helper_add(connector, &intel_tv_connector_helper_funcs);
1651         connector->interlace_allowed = false;
1652         connector->doublescan_allowed = false;
1653
1654         /* Create TV properties then attach current values */
1655         for (i = 0; i < ARRAY_SIZE(tv_modes); i++)
1656                 tv_format_names[i] = (char *)tv_modes[i].name;
1657         drm_mode_create_tv_properties(dev,
1658                                       ARRAY_SIZE(tv_modes),
1659                                       tv_format_names);
1660
1661         drm_connector_attach_property(connector, dev->mode_config.tv_mode_property,
1662                                    initial_mode);
1663         drm_connector_attach_property(connector,
1664                                    dev->mode_config.tv_left_margin_property,
1665                                    intel_tv->margin[TV_MARGIN_LEFT]);
1666         drm_connector_attach_property(connector,
1667                                    dev->mode_config.tv_top_margin_property,
1668                                    intel_tv->margin[TV_MARGIN_TOP]);
1669         drm_connector_attach_property(connector,
1670                                    dev->mode_config.tv_right_margin_property,
1671                                    intel_tv->margin[TV_MARGIN_RIGHT]);
1672         drm_connector_attach_property(connector,
1673                                    dev->mode_config.tv_bottom_margin_property,
1674                                    intel_tv->margin[TV_MARGIN_BOTTOM]);
1675         drm_sysfs_connector_add(connector);
1676 }