2 * Copyright © 2006-2008 Intel Corporation
3 * Jesse Barnes <jesse.barnes@intel.com>
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:
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
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.
25 * Eric Anholt <eric@anholt.net>
30 * Integrated TV-out support for the 915GM and 945GM.
34 #include <drm/drm_crtc.h>
35 #include <drm/drm_edid.h>
36 #include "intel_drv.h"
37 #include <drm/i915_drm.h>
41 TV_MARGIN_LEFT, TV_MARGIN_TOP,
42 TV_MARGIN_RIGHT, TV_MARGIN_BOTTOM
45 /** Private structure for the integrated TV support */
47 struct intel_encoder base;
50 const char *tv_format;
62 u32 save_TV_SC_CTL_1, save_TV_SC_CTL_2, save_TV_SC_CTL_3;
70 u32 save_TV_CLR_KNOBS;
71 u32 save_TV_CLR_LEVEL;
74 u32 save_TV_FILTER_CTL_1;
75 u32 save_TV_FILTER_CTL_2;
76 u32 save_TV_FILTER_CTL_3;
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];
88 int blank, black, burst;
91 struct color_conversion {
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,
153 * Color conversion values have 3 separate fixed point formats:
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)
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)
182 * Simple conversion function:
185 * float_to_csc_11(float f)
198 * for (exp = 0; exp < 3 && f < 0.5; exp++)
200 * mant = (f * (1 << 9) + 0.5);
201 * if (mant >= (1 << 9))
202 * mant = (1 << 9) - 1;
204 * ret = (exp << 9) | mant;
210 * Behold, magic numbers! If we plant them they might grow a big
211 * s-video cable to the sky... or something.
213 * Pre-converted to appropriate hex value.
217 * PAL & NTSC values for composite & s-video connections
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,
225 static const struct video_levels ntsc_m_levels_composite = {
226 .blank = 225, .black = 267, .burst = 113,
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,
235 static const struct video_levels ntsc_m_levels_svideo = {
236 .blank = 266, .black = 316, .burst = 133,
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,
245 static const struct video_levels ntsc_j_levels_composite = {
246 .blank = 225, .black = 225, .burst = 113,
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,
255 static const struct video_levels ntsc_j_levels_svideo = {
256 .blank = 266, .black = 266, .burst = 133,
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,
265 static const struct video_levels pal_levels_composite = {
266 .blank = 237, .black = 237, .burst = 118,
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,
275 static const struct video_levels pal_levels_svideo = {
276 .blank = 280, .black = 280, .burst = 139,
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,
285 static const struct video_levels pal_m_levels_composite = {
286 .blank = 225, .black = 267, .burst = 113,
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,
295 static const struct video_levels pal_m_levels_svideo = {
296 .blank = 266, .black = 316, .burst = 133,
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,
305 static const struct video_levels pal_n_levels_composite = {
306 .blank = 225, .black = 267, .burst = 118,
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,
315 static const struct video_levels pal_n_levels_svideo = {
316 .blank = 266, .black = 316, .burst = 139,
320 * Component connections
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,
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,
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,
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,
346 static const struct video_levels component_levels = {
347 .blank = 279, .black = 279, .burst = 0,
354 int refresh; /* in millihertz (for precision) */
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;
360 int veq_start_f1, veq_start_f2, veq_len;
361 int vi_end_f1, vi_end_f2, nbr_end;
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;
369 * subcarrier programming
371 int dda2_size, dda3_size, dda1_inc, dda2_inc, dda3_inc;
377 const struct video_levels *composite_levels, *svideo_levels;
378 const struct color_conversion *composite_color, *svideo_color;
379 const u32 *filter_table;
387 * I think this works as follows:
389 * subcarrier freq = pixel_clock * (dda1_inc + dda2_inc / dda2_size) / 4096
391 * Presumably, when dda3 is added in, it gets to adjust the dda2_inc value
394 * dda1_ideal = subcarrier/pixel * 4096
395 * dda1_inc = floor (dda1_ideal)
396 * dda2 = dda1_ideal - dda1_inc
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
404 * pixel_clock = subcarrier * 4096 / (dda1_inc + dda2_inc / dda2_size)
406 * The constants below were all computed using a 107.520MHz clock
410 * Register programming values for TV modes.
412 * These values account for -1s required.
415 static const struct tv_mode tv_modes[] = {
420 .oversample = TV_OVERSAMPLE_8X,
422 /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */
424 .hsync_end = 64, .hblank_end = 124,
425 .hblank_start = 836, .htotal = 857,
427 .progressive = false, .trilevel_sync = false,
429 .vsync_start_f1 = 6, .vsync_start_f2 = 7,
432 .veq_ena = true, .veq_start_f1 = 0,
433 .veq_start_f2 = 1, .veq_len = 18,
435 .vi_end_f1 = 20, .vi_end_f2 = 21,
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,
445 /* desired 3.5800000 actual 3.5800000 clock 107.52 */
447 .dda2_inc = 20800, .dda2_size = 27456,
448 .dda3_inc = 0, .dda3_size = 0,
449 .sc_reset = TV_SC_RESET_EVERY_4,
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,
457 .filter_table = filter_table,
463 .oversample = TV_OVERSAMPLE_8X,
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,
469 .progressive = false, .trilevel_sync = false,
471 .vsync_start_f1 = 6, .vsync_start_f2 = 7,
474 .veq_ena = true, .veq_start_f1 = 0,
475 .veq_start_f2 = 1, .veq_len = 18,
477 .vi_end_f1 = 20, .vi_end_f2 = 21,
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,
487 /* desired 4.4336180 actual 4.4336180 clock 107.52 */
489 .dda2_inc = 4093, .dda2_size = 27456,
490 .dda3_inc = 310, .dda3_size = 525,
491 .sc_reset = TV_SC_RESET_NEVER,
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,
499 .filter_table = filter_table,
505 .oversample = TV_OVERSAMPLE_8X,
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,
512 .progressive = false, .trilevel_sync = false,
514 .vsync_start_f1 = 6, .vsync_start_f2 = 7,
517 .veq_ena = true, .veq_start_f1 = 0,
518 .veq_start_f2 = 1, .veq_len = 18,
520 .vi_end_f1 = 20, .vi_end_f2 = 21,
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,
530 /* desired 3.5800000 actual 3.5800000 clock 107.52 */
532 .dda2_inc = 20800, .dda2_size = 27456,
533 .dda3_inc = 0, .dda3_size = 0,
534 .sc_reset = TV_SC_RESET_EVERY_4,
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,
542 .filter_table = filter_table,
548 .oversample = TV_OVERSAMPLE_8X,
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,
555 .progressive = false, .trilevel_sync = false,
557 .vsync_start_f1 = 6, .vsync_start_f2 = 7,
560 .veq_ena = true, .veq_start_f1 = 0,
561 .veq_start_f2 = 1, .veq_len = 18,
563 .vi_end_f1 = 20, .vi_end_f2 = 21,
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,
573 /* desired 3.5800000 actual 3.5800000 clock 107.52 */
575 .dda2_inc = 16704, .dda2_size = 27456,
576 .dda3_inc = 0, .dda3_size = 0,
577 .sc_reset = TV_SC_RESET_EVERY_8,
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,
585 .filter_table = filter_table,
588 /* 625 Lines, 50 Fields, 15.625KHz line, Sub-Carrier 4.434MHz */
592 .oversample = TV_OVERSAMPLE_8X,
595 .hsync_end = 64, .hblank_end = 128,
596 .hblank_start = 844, .htotal = 863,
598 .progressive = false, .trilevel_sync = false,
601 .vsync_start_f1 = 6, .vsync_start_f2 = 7,
604 .veq_ena = true, .veq_start_f1 = 0,
605 .veq_start_f2 = 1, .veq_len = 18,
607 .vi_end_f1 = 24, .vi_end_f2 = 25,
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,
618 /* desired 4.4336180 actual 4.4336180 clock 107.52 */
620 .dda2_inc = 23578, .dda2_size = 27648,
621 .dda3_inc = 134, .dda3_size = 625,
622 .sc_reset = TV_SC_RESET_EVERY_8,
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,
630 .filter_table = filter_table,
633 /* 625 Lines, 50 Fields, 15.625KHz line, Sub-Carrier 4.434MHz */
637 .oversample = TV_OVERSAMPLE_8X,
640 .hsync_end = 64, .hblank_end = 142,
641 .hblank_start = 844, .htotal = 863,
643 .progressive = false, .trilevel_sync = false,
645 .vsync_start_f1 = 5, .vsync_start_f2 = 6,
648 .veq_ena = true, .veq_start_f1 = 0,
649 .veq_start_f2 = 1, .veq_len = 15,
651 .vi_end_f1 = 24, .vi_end_f2 = 25,
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,
661 /* desired 4.4336180 actual 4.4336180 clock 107.52 */
663 .dda2_inc = 4122, .dda2_size = 27648,
664 .dda3_inc = 67, .dda3_size = 625,
665 .sc_reset = TV_SC_RESET_EVERY_8,
668 .composite_levels = &pal_levels_composite,
669 .composite_color = &pal_csc_composite,
670 .svideo_levels = &pal_levels_svideo,
671 .svideo_color = &pal_csc_svideo,
673 .filter_table = filter_table,
679 .oversample = TV_OVERSAMPLE_4X,
682 .hsync_end = 64, .hblank_end = 122,
683 .hblank_start = 842, .htotal = 857,
685 .progressive = true, .trilevel_sync = false,
687 .vsync_start_f1 = 12, .vsync_start_f2 = 12,
692 .vi_end_f1 = 44, .vi_end_f2 = 44,
697 .filter_table = filter_table,
703 .oversample = TV_OVERSAMPLE_4X,
706 .hsync_end = 64, .hblank_end = 139,
707 .hblank_start = 859, .htotal = 863,
709 .progressive = true, .trilevel_sync = false,
711 .vsync_start_f1 = 10, .vsync_start_f2 = 10,
716 .vi_end_f1 = 48, .vi_end_f2 = 48,
721 .filter_table = filter_table,
727 .oversample = TV_OVERSAMPLE_2X,
730 .hsync_end = 80, .hblank_end = 300,
731 .hblank_start = 1580, .htotal = 1649,
733 .progressive = true, .trilevel_sync = true,
735 .vsync_start_f1 = 10, .vsync_start_f2 = 10,
740 .vi_end_f1 = 29, .vi_end_f2 = 29,
745 .filter_table = filter_table,
751 .oversample = TV_OVERSAMPLE_2X,
754 .hsync_end = 80, .hblank_end = 300,
755 .hblank_start = 1580, .htotal = 1979,
757 .progressive = true, .trilevel_sync = true,
759 .vsync_start_f1 = 10, .vsync_start_f2 = 10,
764 .vi_end_f1 = 29, .vi_end_f2 = 29,
769 .filter_table = filter_table,
773 .name = "1080i@50Hz",
776 .oversample = TV_OVERSAMPLE_2X,
779 .hsync_end = 88, .hblank_end = 235,
780 .hblank_start = 2155, .htotal = 2639,
782 .progressive = false, .trilevel_sync = true,
784 .vsync_start_f1 = 4, .vsync_start_f2 = 5,
787 .veq_ena = true, .veq_start_f1 = 4,
788 .veq_start_f2 = 4, .veq_len = 10,
791 .vi_end_f1 = 21, .vi_end_f2 = 22,
796 .filter_table = filter_table,
799 .name = "1080i@60Hz",
802 .oversample = TV_OVERSAMPLE_2X,
805 .hsync_end = 88, .hblank_end = 235,
806 .hblank_start = 2155, .htotal = 2199,
808 .progressive = false, .trilevel_sync = true,
810 .vsync_start_f1 = 4, .vsync_start_f2 = 5,
813 .veq_ena = true, .veq_start_f1 = 4,
814 .veq_start_f2 = 4, .veq_len = 10,
817 .vi_end_f1 = 21, .vi_end_f2 = 22,
822 .filter_table = filter_table,
826 static struct intel_tv *enc_to_tv(struct intel_encoder *encoder)
828 return container_of(encoder, struct intel_tv, base);
831 static struct intel_tv *intel_attached_tv(struct drm_connector *connector)
833 return enc_to_tv(intel_attached_encoder(connector));
837 intel_tv_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe)
839 struct drm_device *dev = encoder->base.dev;
840 struct drm_i915_private *dev_priv = dev->dev_private;
841 u32 tmp = I915_READ(TV_CTL);
843 if (!(tmp & TV_ENC_ENABLE))
846 *pipe = PORT_TO_PIPE(tmp);
852 intel_enable_tv(struct intel_encoder *encoder)
854 struct drm_device *dev = encoder->base.dev;
855 struct drm_i915_private *dev_priv = dev->dev_private;
857 /* Prevents vblank waits from timing out in intel_tv_detect_type() */
858 intel_wait_for_vblank(encoder->base.dev,
859 to_intel_crtc(encoder->base.crtc)->pipe);
861 I915_WRITE(TV_CTL, I915_READ(TV_CTL) | TV_ENC_ENABLE);
865 intel_disable_tv(struct intel_encoder *encoder)
867 struct drm_device *dev = encoder->base.dev;
868 struct drm_i915_private *dev_priv = dev->dev_private;
870 I915_WRITE(TV_CTL, I915_READ(TV_CTL) & ~TV_ENC_ENABLE);
873 static const struct tv_mode *
874 intel_tv_mode_lookup(const char *tv_format)
878 for (i = 0; i < ARRAY_SIZE(tv_modes); i++) {
879 const struct tv_mode *tv_mode = &tv_modes[i];
881 if (!strcmp(tv_format, tv_mode->name))
887 static const struct tv_mode *
888 intel_tv_mode_find(struct intel_tv *intel_tv)
890 return intel_tv_mode_lookup(intel_tv->tv_format);
893 static enum drm_mode_status
894 intel_tv_mode_valid(struct drm_connector *connector,
895 struct drm_display_mode *mode)
897 struct intel_tv *intel_tv = intel_attached_tv(connector);
898 const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
900 /* Ensure TV refresh is close to desired refresh */
901 if (tv_mode && abs(tv_mode->refresh - drm_mode_vrefresh(mode) * 1000)
905 return MODE_CLOCK_RANGE;
910 intel_tv_get_config(struct intel_encoder *encoder,
911 struct intel_crtc_config *pipe_config)
913 pipe_config->adjusted_mode.crtc_clock = pipe_config->port_clock;
917 intel_tv_compute_config(struct intel_encoder *encoder,
918 struct intel_crtc_config *pipe_config)
920 struct intel_tv *intel_tv = enc_to_tv(encoder);
921 const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
926 pipe_config->adjusted_mode.crtc_clock = tv_mode->clock;
927 DRM_DEBUG_KMS("forcing bpc to 8 for TV\n");
928 pipe_config->pipe_bpp = 8*3;
930 /* TV has it's own notion of sync and other mode flags, so clear them. */
931 pipe_config->adjusted_mode.flags = 0;
934 * FIXME: We don't check whether the input mode is actually what we want
935 * or whether userspace is doing something stupid.
942 set_tv_mode_timings(struct drm_i915_private *dev_priv,
943 const struct tv_mode *tv_mode,
946 u32 hctl1, hctl2, hctl3;
947 u32 vctl1, vctl2, vctl3, vctl4, vctl5, vctl6, vctl7;
949 hctl1 = (tv_mode->hsync_end << TV_HSYNC_END_SHIFT) |
950 (tv_mode->htotal << TV_HTOTAL_SHIFT);
952 hctl2 = (tv_mode->hburst_start << 16) |
953 (tv_mode->hburst_len << TV_HBURST_LEN_SHIFT);
956 hctl2 |= TV_BURST_ENA;
958 hctl3 = (tv_mode->hblank_start << TV_HBLANK_START_SHIFT) |
959 (tv_mode->hblank_end << TV_HBLANK_END_SHIFT);
961 vctl1 = (tv_mode->nbr_end << TV_NBR_END_SHIFT) |
962 (tv_mode->vi_end_f1 << TV_VI_END_F1_SHIFT) |
963 (tv_mode->vi_end_f2 << TV_VI_END_F2_SHIFT);
965 vctl2 = (tv_mode->vsync_len << TV_VSYNC_LEN_SHIFT) |
966 (tv_mode->vsync_start_f1 << TV_VSYNC_START_F1_SHIFT) |
967 (tv_mode->vsync_start_f2 << TV_VSYNC_START_F2_SHIFT);
969 vctl3 = (tv_mode->veq_len << TV_VEQ_LEN_SHIFT) |
970 (tv_mode->veq_start_f1 << TV_VEQ_START_F1_SHIFT) |
971 (tv_mode->veq_start_f2 << TV_VEQ_START_F2_SHIFT);
973 if (tv_mode->veq_ena)
974 vctl3 |= TV_EQUAL_ENA;
976 vctl4 = (tv_mode->vburst_start_f1 << TV_VBURST_START_F1_SHIFT) |
977 (tv_mode->vburst_end_f1 << TV_VBURST_END_F1_SHIFT);
979 vctl5 = (tv_mode->vburst_start_f2 << TV_VBURST_START_F2_SHIFT) |
980 (tv_mode->vburst_end_f2 << TV_VBURST_END_F2_SHIFT);
982 vctl6 = (tv_mode->vburst_start_f3 << TV_VBURST_START_F3_SHIFT) |
983 (tv_mode->vburst_end_f3 << TV_VBURST_END_F3_SHIFT);
985 vctl7 = (tv_mode->vburst_start_f4 << TV_VBURST_START_F4_SHIFT) |
986 (tv_mode->vburst_end_f4 << TV_VBURST_END_F4_SHIFT);
988 I915_WRITE(TV_H_CTL_1, hctl1);
989 I915_WRITE(TV_H_CTL_2, hctl2);
990 I915_WRITE(TV_H_CTL_3, hctl3);
991 I915_WRITE(TV_V_CTL_1, vctl1);
992 I915_WRITE(TV_V_CTL_2, vctl2);
993 I915_WRITE(TV_V_CTL_3, vctl3);
994 I915_WRITE(TV_V_CTL_4, vctl4);
995 I915_WRITE(TV_V_CTL_5, vctl5);
996 I915_WRITE(TV_V_CTL_6, vctl6);
997 I915_WRITE(TV_V_CTL_7, vctl7);
1000 static void set_color_conversion(struct drm_i915_private *dev_priv,
1001 const struct color_conversion *color_conversion)
1003 if (!color_conversion)
1006 I915_WRITE(TV_CSC_Y, (color_conversion->ry << 16) |
1007 color_conversion->gy);
1008 I915_WRITE(TV_CSC_Y2, (color_conversion->by << 16) |
1009 color_conversion->ay);
1010 I915_WRITE(TV_CSC_U, (color_conversion->ru << 16) |
1011 color_conversion->gu);
1012 I915_WRITE(TV_CSC_U2, (color_conversion->bu << 16) |
1013 color_conversion->au);
1014 I915_WRITE(TV_CSC_V, (color_conversion->rv << 16) |
1015 color_conversion->gv);
1016 I915_WRITE(TV_CSC_V2, (color_conversion->bv << 16) |
1017 color_conversion->av);
1020 static void intel_tv_pre_enable(struct intel_encoder *encoder)
1022 struct drm_device *dev = encoder->base.dev;
1023 struct drm_i915_private *dev_priv = dev->dev_private;
1024 struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
1025 struct intel_tv *intel_tv = enc_to_tv(encoder);
1026 const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
1028 u32 scctl1, scctl2, scctl3;
1030 const struct video_levels *video_levels;
1031 const struct color_conversion *color_conversion;
1033 int xpos = 0x0, ypos = 0x0;
1034 unsigned int xsize, ysize;
1037 return; /* can't happen (mode_prepare prevents this) */
1039 tv_ctl = I915_READ(TV_CTL);
1040 tv_ctl &= TV_CTL_SAVE;
1042 switch (intel_tv->type) {
1044 case DRM_MODE_CONNECTOR_Unknown:
1045 case DRM_MODE_CONNECTOR_Composite:
1046 tv_ctl |= TV_ENC_OUTPUT_COMPOSITE;
1047 video_levels = tv_mode->composite_levels;
1048 color_conversion = tv_mode->composite_color;
1049 burst_ena = tv_mode->burst_ena;
1051 case DRM_MODE_CONNECTOR_Component:
1052 tv_ctl |= TV_ENC_OUTPUT_COMPONENT;
1053 video_levels = &component_levels;
1054 if (tv_mode->burst_ena)
1055 color_conversion = &sdtv_csc_yprpb;
1057 color_conversion = &hdtv_csc_yprpb;
1060 case DRM_MODE_CONNECTOR_SVIDEO:
1061 tv_ctl |= TV_ENC_OUTPUT_SVIDEO;
1062 video_levels = tv_mode->svideo_levels;
1063 color_conversion = tv_mode->svideo_color;
1064 burst_ena = tv_mode->burst_ena;
1068 if (intel_crtc->pipe == 1)
1069 tv_ctl |= TV_ENC_PIPEB_SELECT;
1070 tv_ctl |= tv_mode->oversample;
1072 if (tv_mode->progressive)
1073 tv_ctl |= TV_PROGRESSIVE;
1074 if (tv_mode->trilevel_sync)
1075 tv_ctl |= TV_TRILEVEL_SYNC;
1076 if (tv_mode->pal_burst)
1077 tv_ctl |= TV_PAL_BURST;
1080 if (tv_mode->dda1_inc)
1081 scctl1 |= TV_SC_DDA1_EN;
1082 if (tv_mode->dda2_inc)
1083 scctl1 |= TV_SC_DDA2_EN;
1084 if (tv_mode->dda3_inc)
1085 scctl1 |= TV_SC_DDA3_EN;
1086 scctl1 |= tv_mode->sc_reset;
1088 scctl1 |= video_levels->burst << TV_BURST_LEVEL_SHIFT;
1089 scctl1 |= tv_mode->dda1_inc << TV_SCDDA1_INC_SHIFT;
1091 scctl2 = tv_mode->dda2_size << TV_SCDDA2_SIZE_SHIFT |
1092 tv_mode->dda2_inc << TV_SCDDA2_INC_SHIFT;
1094 scctl3 = tv_mode->dda3_size << TV_SCDDA3_SIZE_SHIFT |
1095 tv_mode->dda3_inc << TV_SCDDA3_INC_SHIFT;
1097 /* Enable two fixes for the chips that need them. */
1099 tv_ctl |= TV_ENC_C0_FIX | TV_ENC_SDP_FIX;
1101 set_tv_mode_timings(dev_priv, tv_mode, burst_ena);
1103 I915_WRITE(TV_SC_CTL_1, scctl1);
1104 I915_WRITE(TV_SC_CTL_2, scctl2);
1105 I915_WRITE(TV_SC_CTL_3, scctl3);
1107 set_color_conversion(dev_priv, color_conversion);
1109 if (INTEL_INFO(dev)->gen >= 4)
1110 I915_WRITE(TV_CLR_KNOBS, 0x00404000);
1112 I915_WRITE(TV_CLR_KNOBS, 0x00606000);
1115 I915_WRITE(TV_CLR_LEVEL,
1116 ((video_levels->black << TV_BLACK_LEVEL_SHIFT) |
1117 (video_levels->blank << TV_BLANK_LEVEL_SHIFT)));
1119 assert_pipe_disabled(dev_priv, intel_crtc->pipe);
1121 /* Filter ctl must be set before TV_WIN_SIZE */
1122 I915_WRITE(TV_FILTER_CTL_1, TV_AUTO_SCALE);
1123 xsize = tv_mode->hblank_start - tv_mode->hblank_end;
1124 if (tv_mode->progressive)
1125 ysize = tv_mode->nbr_end + 1;
1127 ysize = 2*tv_mode->nbr_end + 1;
1129 xpos += intel_tv->margin[TV_MARGIN_LEFT];
1130 ypos += intel_tv->margin[TV_MARGIN_TOP];
1131 xsize -= (intel_tv->margin[TV_MARGIN_LEFT] +
1132 intel_tv->margin[TV_MARGIN_RIGHT]);
1133 ysize -= (intel_tv->margin[TV_MARGIN_TOP] +
1134 intel_tv->margin[TV_MARGIN_BOTTOM]);
1135 I915_WRITE(TV_WIN_POS, (xpos<<16)|ypos);
1136 I915_WRITE(TV_WIN_SIZE, (xsize<<16)|ysize);
1139 for (i = 0; i < 60; i++)
1140 I915_WRITE(TV_H_LUMA_0 + (i<<2), tv_mode->filter_table[j++]);
1141 for (i = 0; i < 60; i++)
1142 I915_WRITE(TV_H_CHROMA_0 + (i<<2), tv_mode->filter_table[j++]);
1143 for (i = 0; i < 43; i++)
1144 I915_WRITE(TV_V_LUMA_0 + (i<<2), tv_mode->filter_table[j++]);
1145 for (i = 0; i < 43; i++)
1146 I915_WRITE(TV_V_CHROMA_0 + (i<<2), tv_mode->filter_table[j++]);
1147 I915_WRITE(TV_DAC, I915_READ(TV_DAC) & TV_DAC_SAVE);
1148 I915_WRITE(TV_CTL, tv_ctl);
1151 static const struct drm_display_mode reported_modes[] = {
1153 .name = "NTSC 480i",
1156 .hsync_start = 1368,
1161 .vsync_start = 1027,
1164 .type = DRM_MODE_TYPE_DRIVER,
1169 * Detects TV presence by checking for load.
1171 * Requires that the current pipe's DPLL is active.
1173 * \return true if TV is connected.
1174 * \return false if TV is disconnected.
1177 intel_tv_detect_type(struct intel_tv *intel_tv,
1178 struct drm_connector *connector)
1180 struct drm_encoder *encoder = &intel_tv->base.base;
1181 struct drm_crtc *crtc = encoder->crtc;
1182 struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
1183 struct drm_device *dev = encoder->dev;
1184 struct drm_i915_private *dev_priv = dev->dev_private;
1185 unsigned long irqflags;
1186 u32 tv_ctl, save_tv_ctl;
1187 u32 tv_dac, save_tv_dac;
1190 /* Disable TV interrupts around load detect or we'll recurse */
1191 if (connector->polled & DRM_CONNECTOR_POLL_HPD) {
1192 spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
1193 i915_disable_pipestat(dev_priv, 0,
1194 PIPE_HOTPLUG_INTERRUPT_STATUS |
1195 PIPE_HOTPLUG_TV_INTERRUPT_STATUS);
1196 spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
1199 save_tv_dac = tv_dac = I915_READ(TV_DAC);
1200 save_tv_ctl = tv_ctl = I915_READ(TV_CTL);
1202 /* Poll for TV detection */
1203 tv_ctl &= ~(TV_ENC_ENABLE | TV_TEST_MODE_MASK);
1204 tv_ctl |= TV_TEST_MODE_MONITOR_DETECT;
1205 if (intel_crtc->pipe == 1)
1206 tv_ctl |= TV_ENC_PIPEB_SELECT;
1208 tv_ctl &= ~TV_ENC_PIPEB_SELECT;
1210 tv_dac &= ~(TVDAC_SENSE_MASK | DAC_A_MASK | DAC_B_MASK | DAC_C_MASK);
1211 tv_dac |= (TVDAC_STATE_CHG_EN |
1222 * The TV sense state should be cleared to zero on cantiga platform. Otherwise
1223 * the TV is misdetected. This is hardware requirement.
1226 tv_dac &= ~(TVDAC_STATE_CHG_EN | TVDAC_A_SENSE_CTL |
1227 TVDAC_B_SENSE_CTL | TVDAC_C_SENSE_CTL);
1229 I915_WRITE(TV_CTL, tv_ctl);
1230 I915_WRITE(TV_DAC, tv_dac);
1231 POSTING_READ(TV_DAC);
1233 intel_wait_for_vblank(intel_tv->base.base.dev,
1234 to_intel_crtc(intel_tv->base.base.crtc)->pipe);
1237 tv_dac = I915_READ(TV_DAC);
1238 DRM_DEBUG_KMS("TV detected: %x, %x\n", tv_ctl, tv_dac);
1245 if ((tv_dac & TVDAC_SENSE_MASK) == (TVDAC_B_SENSE | TVDAC_C_SENSE)) {
1246 DRM_DEBUG_KMS("Detected Composite TV connection\n");
1247 type = DRM_MODE_CONNECTOR_Composite;
1248 } else if ((tv_dac & (TVDAC_A_SENSE|TVDAC_B_SENSE)) == TVDAC_A_SENSE) {
1249 DRM_DEBUG_KMS("Detected S-Video TV connection\n");
1250 type = DRM_MODE_CONNECTOR_SVIDEO;
1251 } else if ((tv_dac & TVDAC_SENSE_MASK) == 0) {
1252 DRM_DEBUG_KMS("Detected Component TV connection\n");
1253 type = DRM_MODE_CONNECTOR_Component;
1255 DRM_DEBUG_KMS("Unrecognised TV connection\n");
1259 I915_WRITE(TV_DAC, save_tv_dac & ~TVDAC_STATE_CHG_EN);
1260 I915_WRITE(TV_CTL, save_tv_ctl);
1261 POSTING_READ(TV_CTL);
1263 /* For unknown reasons the hw barfs if we don't do this vblank wait. */
1264 intel_wait_for_vblank(intel_tv->base.base.dev,
1265 to_intel_crtc(intel_tv->base.base.crtc)->pipe);
1267 /* Restore interrupt config */
1268 if (connector->polled & DRM_CONNECTOR_POLL_HPD) {
1269 spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
1270 i915_enable_pipestat(dev_priv, 0,
1271 PIPE_HOTPLUG_INTERRUPT_STATUS |
1272 PIPE_HOTPLUG_TV_INTERRUPT_STATUS);
1273 spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
1280 * Here we set accurate tv format according to connector type
1281 * i.e Component TV should not be assigned by NTSC or PAL
1283 static void intel_tv_find_better_format(struct drm_connector *connector)
1285 struct intel_tv *intel_tv = intel_attached_tv(connector);
1286 const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
1289 if ((intel_tv->type == DRM_MODE_CONNECTOR_Component) ==
1290 tv_mode->component_only)
1294 for (i = 0; i < sizeof(tv_modes) / sizeof(*tv_modes); i++) {
1295 tv_mode = tv_modes + i;
1297 if ((intel_tv->type == DRM_MODE_CONNECTOR_Component) ==
1298 tv_mode->component_only)
1302 intel_tv->tv_format = tv_mode->name;
1303 drm_object_property_set_value(&connector->base,
1304 connector->dev->mode_config.tv_mode_property, i);
1308 * Detect the TV connection.
1310 * Currently this always returns CONNECTOR_STATUS_UNKNOWN, as we need to be sure
1311 * we have a pipe programmed in order to probe the TV.
1313 static enum drm_connector_status
1314 intel_tv_detect(struct drm_connector *connector, bool force)
1316 struct drm_display_mode mode;
1317 struct intel_tv *intel_tv = intel_attached_tv(connector);
1318 enum drm_connector_status status;
1321 DRM_DEBUG_KMS("[CONNECTOR:%d:%s] force=%d\n",
1322 connector->base.id, connector->name,
1325 mode = reported_modes[0];
1328 struct intel_load_detect_pipe tmp;
1329 struct drm_modeset_acquire_ctx ctx;
1331 drm_modeset_acquire_init(&ctx, 0);
1333 if (intel_get_load_detect_pipe(connector, &mode, &tmp, &ctx)) {
1334 type = intel_tv_detect_type(intel_tv, connector);
1335 intel_release_load_detect_pipe(connector, &tmp);
1337 connector_status_disconnected :
1338 connector_status_connected;
1340 status = connector_status_unknown;
1342 drm_modeset_drop_locks(&ctx);
1343 drm_modeset_acquire_fini(&ctx);
1345 return connector->status;
1347 if (status != connector_status_connected)
1350 intel_tv->type = type;
1351 intel_tv_find_better_format(connector);
1353 return connector_status_connected;
1356 static const struct input_res {
1359 } input_res_table[] = {
1360 {"640x480", 640, 480},
1361 {"800x600", 800, 600},
1362 {"1024x768", 1024, 768},
1363 {"1280x1024", 1280, 1024},
1364 {"848x480", 848, 480},
1365 {"1280x720", 1280, 720},
1366 {"1920x1080", 1920, 1080},
1370 * Chose preferred mode according to line number of TV format
1373 intel_tv_chose_preferred_modes(struct drm_connector *connector,
1374 struct drm_display_mode *mode_ptr)
1376 struct intel_tv *intel_tv = intel_attached_tv(connector);
1377 const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
1379 if (tv_mode->nbr_end < 480 && mode_ptr->vdisplay == 480)
1380 mode_ptr->type |= DRM_MODE_TYPE_PREFERRED;
1381 else if (tv_mode->nbr_end > 480) {
1382 if (tv_mode->progressive == true && tv_mode->nbr_end < 720) {
1383 if (mode_ptr->vdisplay == 720)
1384 mode_ptr->type |= DRM_MODE_TYPE_PREFERRED;
1385 } else if (mode_ptr->vdisplay == 1080)
1386 mode_ptr->type |= DRM_MODE_TYPE_PREFERRED;
1391 * Stub get_modes function.
1393 * This should probably return a set of fixed modes, unless we can figure out
1394 * how to probe modes off of TV connections.
1398 intel_tv_get_modes(struct drm_connector *connector)
1400 struct drm_display_mode *mode_ptr;
1401 struct intel_tv *intel_tv = intel_attached_tv(connector);
1402 const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
1406 for (j = 0; j < ARRAY_SIZE(input_res_table);
1408 const struct input_res *input = &input_res_table[j];
1409 unsigned int hactive_s = input->w;
1410 unsigned int vactive_s = input->h;
1412 if (tv_mode->max_srcw && input->w > tv_mode->max_srcw)
1415 if (input->w > 1024 && (!tv_mode->progressive
1416 && !tv_mode->component_only))
1419 mode_ptr = drm_mode_create(connector->dev);
1422 strncpy(mode_ptr->name, input->name, DRM_DISPLAY_MODE_LEN);
1424 mode_ptr->hdisplay = hactive_s;
1425 mode_ptr->hsync_start = hactive_s + 1;
1426 mode_ptr->hsync_end = hactive_s + 64;
1427 if (mode_ptr->hsync_end <= mode_ptr->hsync_start)
1428 mode_ptr->hsync_end = mode_ptr->hsync_start + 1;
1429 mode_ptr->htotal = hactive_s + 96;
1431 mode_ptr->vdisplay = vactive_s;
1432 mode_ptr->vsync_start = vactive_s + 1;
1433 mode_ptr->vsync_end = vactive_s + 32;
1434 if (mode_ptr->vsync_end <= mode_ptr->vsync_start)
1435 mode_ptr->vsync_end = mode_ptr->vsync_start + 1;
1436 mode_ptr->vtotal = vactive_s + 33;
1438 tmp = (u64) tv_mode->refresh * mode_ptr->vtotal;
1439 tmp *= mode_ptr->htotal;
1440 tmp = div_u64(tmp, 1000000);
1441 mode_ptr->clock = (int) tmp;
1443 mode_ptr->type = DRM_MODE_TYPE_DRIVER;
1444 intel_tv_chose_preferred_modes(connector, mode_ptr);
1445 drm_mode_probed_add(connector, mode_ptr);
1453 intel_tv_destroy(struct drm_connector *connector)
1455 drm_connector_cleanup(connector);
1461 intel_tv_set_property(struct drm_connector *connector, struct drm_property *property,
1464 struct drm_device *dev = connector->dev;
1465 struct intel_tv *intel_tv = intel_attached_tv(connector);
1466 struct drm_crtc *crtc = intel_tv->base.base.crtc;
1468 bool changed = false;
1470 ret = drm_object_property_set_value(&connector->base, property, val);
1474 if (property == dev->mode_config.tv_left_margin_property &&
1475 intel_tv->margin[TV_MARGIN_LEFT] != val) {
1476 intel_tv->margin[TV_MARGIN_LEFT] = val;
1478 } else if (property == dev->mode_config.tv_right_margin_property &&
1479 intel_tv->margin[TV_MARGIN_RIGHT] != val) {
1480 intel_tv->margin[TV_MARGIN_RIGHT] = val;
1482 } else if (property == dev->mode_config.tv_top_margin_property &&
1483 intel_tv->margin[TV_MARGIN_TOP] != val) {
1484 intel_tv->margin[TV_MARGIN_TOP] = val;
1486 } else if (property == dev->mode_config.tv_bottom_margin_property &&
1487 intel_tv->margin[TV_MARGIN_BOTTOM] != val) {
1488 intel_tv->margin[TV_MARGIN_BOTTOM] = val;
1490 } else if (property == dev->mode_config.tv_mode_property) {
1491 if (val >= ARRAY_SIZE(tv_modes)) {
1495 if (!strcmp(intel_tv->tv_format, tv_modes[val].name))
1498 intel_tv->tv_format = tv_modes[val].name;
1505 if (changed && crtc)
1506 intel_crtc_restore_mode(crtc);
1511 static const struct drm_connector_funcs intel_tv_connector_funcs = {
1512 .dpms = intel_connector_dpms,
1513 .detect = intel_tv_detect,
1514 .destroy = intel_tv_destroy,
1515 .set_property = intel_tv_set_property,
1516 .fill_modes = drm_helper_probe_single_connector_modes,
1519 static const struct drm_connector_helper_funcs intel_tv_connector_helper_funcs = {
1520 .mode_valid = intel_tv_mode_valid,
1521 .get_modes = intel_tv_get_modes,
1522 .best_encoder = intel_best_encoder,
1525 static const struct drm_encoder_funcs intel_tv_enc_funcs = {
1526 .destroy = intel_encoder_destroy,
1530 * Enumerate the child dev array parsed from VBT to check whether
1531 * the integrated TV is present.
1532 * If it is present, return 1.
1533 * If it is not present, return false.
1534 * If no child dev is parsed from VBT, it assumes that the TV is present.
1536 static int tv_is_present_in_vbt(struct drm_device *dev)
1538 struct drm_i915_private *dev_priv = dev->dev_private;
1539 union child_device_config *p_child;
1542 if (!dev_priv->vbt.child_dev_num)
1546 for (i = 0; i < dev_priv->vbt.child_dev_num; i++) {
1547 p_child = dev_priv->vbt.child_dev + i;
1549 * If the device type is not TV, continue.
1551 switch (p_child->old.device_type) {
1552 case DEVICE_TYPE_INT_TV:
1553 case DEVICE_TYPE_TV:
1554 case DEVICE_TYPE_TV_SVIDEO_COMPOSITE:
1559 /* Only when the addin_offset is non-zero, it is regarded
1562 if (p_child->old.addin_offset) {
1571 intel_tv_init(struct drm_device *dev)
1573 struct drm_i915_private *dev_priv = dev->dev_private;
1574 struct drm_connector *connector;
1575 struct intel_tv *intel_tv;
1576 struct intel_encoder *intel_encoder;
1577 struct intel_connector *intel_connector;
1578 u32 tv_dac_on, tv_dac_off, save_tv_dac;
1579 char *tv_format_names[ARRAY_SIZE(tv_modes)];
1580 int i, initial_mode = 0;
1582 if ((I915_READ(TV_CTL) & TV_FUSE_STATE_MASK) == TV_FUSE_STATE_DISABLED)
1585 if (!tv_is_present_in_vbt(dev)) {
1586 DRM_DEBUG_KMS("Integrated TV is not present.\n");
1589 /* Even if we have an encoder we may not have a connector */
1590 if (!dev_priv->vbt.int_tv_support)
1594 * Sanity check the TV output by checking to see if the
1595 * DAC register holds a value
1597 save_tv_dac = I915_READ(TV_DAC);
1599 I915_WRITE(TV_DAC, save_tv_dac | TVDAC_STATE_CHG_EN);
1600 tv_dac_on = I915_READ(TV_DAC);
1602 I915_WRITE(TV_DAC, save_tv_dac & ~TVDAC_STATE_CHG_EN);
1603 tv_dac_off = I915_READ(TV_DAC);
1605 I915_WRITE(TV_DAC, save_tv_dac);
1608 * If the register does not hold the state change enable
1609 * bit, (either as a 0 or a 1), assume it doesn't really
1612 if ((tv_dac_on & TVDAC_STATE_CHG_EN) == 0 ||
1613 (tv_dac_off & TVDAC_STATE_CHG_EN) != 0)
1616 intel_tv = kzalloc(sizeof(*intel_tv), GFP_KERNEL);
1621 intel_connector = kzalloc(sizeof(*intel_connector), GFP_KERNEL);
1622 if (!intel_connector) {
1627 intel_encoder = &intel_tv->base;
1628 connector = &intel_connector->base;
1630 /* The documentation, for the older chipsets at least, recommend
1631 * using a polling method rather than hotplug detection for TVs.
1632 * This is because in order to perform the hotplug detection, the PLLs
1633 * for the TV must be kept alive increasing power drain and starving
1634 * bandwidth from other encoders. Notably for instance, it causes
1635 * pipe underruns on Crestline when this encoder is supposedly idle.
1637 * More recent chipsets favour HDMI rather than integrated S-Video.
1639 intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1641 drm_connector_init(dev, connector, &intel_tv_connector_funcs,
1642 DRM_MODE_CONNECTOR_SVIDEO);
1644 drm_encoder_init(dev, &intel_encoder->base, &intel_tv_enc_funcs,
1645 DRM_MODE_ENCODER_TVDAC);
1647 intel_encoder->compute_config = intel_tv_compute_config;
1648 intel_encoder->get_config = intel_tv_get_config;
1649 intel_encoder->pre_enable = intel_tv_pre_enable;
1650 intel_encoder->enable = intel_enable_tv;
1651 intel_encoder->disable = intel_disable_tv;
1652 intel_encoder->get_hw_state = intel_tv_get_hw_state;
1653 intel_connector->get_hw_state = intel_connector_get_hw_state;
1654 intel_connector->unregister = intel_connector_unregister;
1656 intel_connector_attach_encoder(intel_connector, intel_encoder);
1657 intel_encoder->type = INTEL_OUTPUT_TVOUT;
1658 intel_encoder->crtc_mask = (1 << 0) | (1 << 1);
1659 intel_encoder->cloneable = 0;
1660 intel_encoder->base.possible_crtcs = ((1 << 0) | (1 << 1));
1661 intel_tv->type = DRM_MODE_CONNECTOR_Unknown;
1663 /* BIOS margin values */
1664 intel_tv->margin[TV_MARGIN_LEFT] = 54;
1665 intel_tv->margin[TV_MARGIN_TOP] = 36;
1666 intel_tv->margin[TV_MARGIN_RIGHT] = 46;
1667 intel_tv->margin[TV_MARGIN_BOTTOM] = 37;
1669 intel_tv->tv_format = tv_modes[initial_mode].name;
1671 drm_connector_helper_add(connector, &intel_tv_connector_helper_funcs);
1672 connector->interlace_allowed = false;
1673 connector->doublescan_allowed = false;
1675 /* Create TV properties then attach current values */
1676 for (i = 0; i < ARRAY_SIZE(tv_modes); i++)
1677 tv_format_names[i] = (char *)tv_modes[i].name;
1678 drm_mode_create_tv_properties(dev,
1679 ARRAY_SIZE(tv_modes),
1682 drm_object_attach_property(&connector->base, dev->mode_config.tv_mode_property,
1684 drm_object_attach_property(&connector->base,
1685 dev->mode_config.tv_left_margin_property,
1686 intel_tv->margin[TV_MARGIN_LEFT]);
1687 drm_object_attach_property(&connector->base,
1688 dev->mode_config.tv_top_margin_property,
1689 intel_tv->margin[TV_MARGIN_TOP]);
1690 drm_object_attach_property(&connector->base,
1691 dev->mode_config.tv_right_margin_property,
1692 intel_tv->margin[TV_MARGIN_RIGHT]);
1693 drm_object_attach_property(&connector->base,
1694 dev->mode_config.tv_bottom_margin_property,
1695 intel_tv->margin[TV_MARGIN_BOTTOM]);
1696 drm_connector_register(connector);