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drm/i915: Remove the broken flush_ring from page-flip
[deliverable/linux.git] / 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 "drmP.h"
34 #include "drm.h"
35 #include "drm_crtc.h"
36 #include "drm_edid.h"
37 #include "intel_drv.h"
38 #include "i915_drm.h"
39 #include "i915_drv.h"
40
41 enum tv_margin {
42 TV_MARGIN_LEFT, TV_MARGIN_TOP,
43 TV_MARGIN_RIGHT, TV_MARGIN_BOTTOM
44 };
45
46 /** Private structure for the integrated TV support */
47 struct intel_tv {
48 struct intel_encoder base;
49
50 int type;
51 const char *tv_format;
52 int margin[4];
53 u32 save_TV_H_CTL_1;
54 u32 save_TV_H_CTL_2;
55 u32 save_TV_H_CTL_3;
56 u32 save_TV_V_CTL_1;
57 u32 save_TV_V_CTL_2;
58 u32 save_TV_V_CTL_3;
59 u32 save_TV_V_CTL_4;
60 u32 save_TV_V_CTL_5;
61 u32 save_TV_V_CTL_6;
62 u32 save_TV_V_CTL_7;
63 u32 save_TV_SC_CTL_1, save_TV_SC_CTL_2, save_TV_SC_CTL_3;
64
65 u32 save_TV_CSC_Y;
66 u32 save_TV_CSC_Y2;
67 u32 save_TV_CSC_U;
68 u32 save_TV_CSC_U2;
69 u32 save_TV_CSC_V;
70 u32 save_TV_CSC_V2;
71 u32 save_TV_CLR_KNOBS;
72 u32 save_TV_CLR_LEVEL;
73 u32 save_TV_WIN_POS;
74 u32 save_TV_WIN_SIZE;
75 u32 save_TV_FILTER_CTL_1;
76 u32 save_TV_FILTER_CTL_2;
77 u32 save_TV_FILTER_CTL_3;
78
79 u32 save_TV_H_LUMA[60];
80 u32 save_TV_H_CHROMA[60];
81 u32 save_TV_V_LUMA[43];
82 u32 save_TV_V_CHROMA[43];
83
84 u32 save_TV_DAC;
85 u32 save_TV_CTL;
86 };
87
88 struct video_levels {
89 int blank, black, burst;
90 };
91
92 struct color_conversion {
93 u16 ry, gy, by, ay;
94 u16 ru, gu, bu, au;
95 u16 rv, gv, bv, av;
96 };
97
98 static const u32 filter_table[] = {
99 0xB1403000, 0x2E203500, 0x35002E20, 0x3000B140,
100 0x35A0B160, 0x2DC02E80, 0xB1403480, 0xB1603000,
101 0x2EA03640, 0x34002D80, 0x3000B120, 0x36E0B160,
102 0x2D202EF0, 0xB1203380, 0xB1603000, 0x2F303780,
103 0x33002CC0, 0x3000B100, 0x3820B160, 0x2C802F50,
104 0xB10032A0, 0xB1603000, 0x2F9038C0, 0x32202C20,
105 0x3000B0E0, 0x3980B160, 0x2BC02FC0, 0xB0E031C0,
106 0xB1603000, 0x2FF03A20, 0x31602B60, 0xB020B0C0,
107 0x3AE0B160, 0x2B001810, 0xB0C03120, 0xB140B020,
108 0x18283BA0, 0x30C02A80, 0xB020B0A0, 0x3C60B140,
109 0x2A201838, 0xB0A03080, 0xB120B020, 0x18383D20,
110 0x304029C0, 0xB040B080, 0x3DE0B100, 0x29601848,
111 0xB0803000, 0xB100B040, 0x18483EC0, 0xB0402900,
112 0xB040B060, 0x3F80B0C0, 0x28801858, 0xB060B080,
113 0xB0A0B060, 0x18602820, 0xB0A02820, 0x0000B060,
114 0xB1403000, 0x2E203500, 0x35002E20, 0x3000B140,
115 0x35A0B160, 0x2DC02E80, 0xB1403480, 0xB1603000,
116 0x2EA03640, 0x34002D80, 0x3000B120, 0x36E0B160,
117 0x2D202EF0, 0xB1203380, 0xB1603000, 0x2F303780,
118 0x33002CC0, 0x3000B100, 0x3820B160, 0x2C802F50,
119 0xB10032A0, 0xB1603000, 0x2F9038C0, 0x32202C20,
120 0x3000B0E0, 0x3980B160, 0x2BC02FC0, 0xB0E031C0,
121 0xB1603000, 0x2FF03A20, 0x31602B60, 0xB020B0C0,
122 0x3AE0B160, 0x2B001810, 0xB0C03120, 0xB140B020,
123 0x18283BA0, 0x30C02A80, 0xB020B0A0, 0x3C60B140,
124 0x2A201838, 0xB0A03080, 0xB120B020, 0x18383D20,
125 0x304029C0, 0xB040B080, 0x3DE0B100, 0x29601848,
126 0xB0803000, 0xB100B040, 0x18483EC0, 0xB0402900,
127 0xB040B060, 0x3F80B0C0, 0x28801858, 0xB060B080,
128 0xB0A0B060, 0x18602820, 0xB0A02820, 0x0000B060,
129 0x36403000, 0x2D002CC0, 0x30003640, 0x2D0036C0,
130 0x35C02CC0, 0x37403000, 0x2C802D40, 0x30003540,
131 0x2D8037C0, 0x34C02C40, 0x38403000, 0x2BC02E00,
132 0x30003440, 0x2E2038C0, 0x34002B80, 0x39803000,
133 0x2B402E40, 0x30003380, 0x2E603A00, 0x33402B00,
134 0x3A803040, 0x2A802EA0, 0x30403300, 0x2EC03B40,
135 0x32802A40, 0x3C003040, 0x2A002EC0, 0x30803240,
136 0x2EC03C80, 0x320029C0, 0x3D403080, 0x29402F00,
137 0x308031C0, 0x2F203DC0, 0x31802900, 0x3E8030C0,
138 0x28802F40, 0x30C03140, 0x2F203F40, 0x31402840,
139 0x28003100, 0x28002F00, 0x00003100, 0x36403000,
140 0x2D002CC0, 0x30003640, 0x2D0036C0,
141 0x35C02CC0, 0x37403000, 0x2C802D40, 0x30003540,
142 0x2D8037C0, 0x34C02C40, 0x38403000, 0x2BC02E00,
143 0x30003440, 0x2E2038C0, 0x34002B80, 0x39803000,
144 0x2B402E40, 0x30003380, 0x2E603A00, 0x33402B00,
145 0x3A803040, 0x2A802EA0, 0x30403300, 0x2EC03B40,
146 0x32802A40, 0x3C003040, 0x2A002EC0, 0x30803240,
147 0x2EC03C80, 0x320029C0, 0x3D403080, 0x29402F00,
148 0x308031C0, 0x2F203DC0, 0x31802900, 0x3E8030C0,
149 0x28802F40, 0x30C03140, 0x2F203F40, 0x31402840,
150 0x28003100, 0x28002F00, 0x00003100,
151 };
152
153 /*
154 * Color conversion values have 3 separate fixed point formats:
155 *
156 * 10 bit fields (ay, au)
157 * 1.9 fixed point (b.bbbbbbbbb)
158 * 11 bit fields (ry, by, ru, gu, gv)
159 * exp.mantissa (ee.mmmmmmmmm)
160 * ee = 00 = 10^-1 (0.mmmmmmmmm)
161 * ee = 01 = 10^-2 (0.0mmmmmmmmm)
162 * ee = 10 = 10^-3 (0.00mmmmmmmmm)
163 * ee = 11 = 10^-4 (0.000mmmmmmmmm)
164 * 12 bit fields (gy, rv, bu)
165 * exp.mantissa (eee.mmmmmmmmm)
166 * eee = 000 = 10^-1 (0.mmmmmmmmm)
167 * eee = 001 = 10^-2 (0.0mmmmmmmmm)
168 * eee = 010 = 10^-3 (0.00mmmmmmmmm)
169 * eee = 011 = 10^-4 (0.000mmmmmmmmm)
170 * eee = 100 = reserved
171 * eee = 101 = reserved
172 * eee = 110 = reserved
173 * eee = 111 = 10^0 (m.mmmmmmmm) (only usable for 1.0 representation)
174 *
175 * Saturation and contrast are 8 bits, with their own representation:
176 * 8 bit field (saturation, contrast)
177 * exp.mantissa (ee.mmmmmm)
178 * ee = 00 = 10^-1 (0.mmmmmm)
179 * ee = 01 = 10^0 (m.mmmmm)
180 * ee = 10 = 10^1 (mm.mmmm)
181 * ee = 11 = 10^2 (mmm.mmm)
182 *
183 * Simple conversion function:
184 *
185 * static u32
186 * float_to_csc_11(float f)
187 * {
188 * u32 exp;
189 * u32 mant;
190 * u32 ret;
191 *
192 * if (f < 0)
193 * f = -f;
194 *
195 * if (f >= 1) {
196 * exp = 0x7;
197 * mant = 1 << 8;
198 * } else {
199 * for (exp = 0; exp < 3 && f < 0.5; exp++)
200 * f *= 2.0;
201 * mant = (f * (1 << 9) + 0.5);
202 * if (mant >= (1 << 9))
203 * mant = (1 << 9) - 1;
204 * }
205 * ret = (exp << 9) | mant;
206 * return ret;
207 * }
208 */
209
210 /*
211 * Behold, magic numbers! If we plant them they might grow a big
212 * s-video cable to the sky... or something.
213 *
214 * Pre-converted to appropriate hex value.
215 */
216
217 /*
218 * PAL & NTSC values for composite & s-video connections
219 */
220 static const struct color_conversion ntsc_m_csc_composite = {
221 .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0104,
222 .ru = 0x0733, .gu = 0x052d, .bu = 0x05c7, .au = 0x0200,
223 .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0200,
224 };
225
226 static const struct video_levels ntsc_m_levels_composite = {
227 .blank = 225, .black = 267, .burst = 113,
228 };
229
230 static const struct color_conversion ntsc_m_csc_svideo = {
231 .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0133,
232 .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0200,
233 .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0200,
234 };
235
236 static const struct video_levels ntsc_m_levels_svideo = {
237 .blank = 266, .black = 316, .burst = 133,
238 };
239
240 static const struct color_conversion ntsc_j_csc_composite = {
241 .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0119,
242 .ru = 0x074c, .gu = 0x0546, .bu = 0x05ec, .au = 0x0200,
243 .rv = 0x035a, .gv = 0x0322, .bv = 0x06e1, .av = 0x0200,
244 };
245
246 static const struct video_levels ntsc_j_levels_composite = {
247 .blank = 225, .black = 225, .burst = 113,
248 };
249
250 static const struct color_conversion ntsc_j_csc_svideo = {
251 .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x014c,
252 .ru = 0x0788, .gu = 0x0581, .bu = 0x0322, .au = 0x0200,
253 .rv = 0x0399, .gv = 0x0356, .bv = 0x070a, .av = 0x0200,
254 };
255
256 static const struct video_levels ntsc_j_levels_svideo = {
257 .blank = 266, .black = 266, .burst = 133,
258 };
259
260 static const struct color_conversion pal_csc_composite = {
261 .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0113,
262 .ru = 0x0745, .gu = 0x053f, .bu = 0x05e1, .au = 0x0200,
263 .rv = 0x0353, .gv = 0x031c, .bv = 0x06dc, .av = 0x0200,
264 };
265
266 static const struct video_levels pal_levels_composite = {
267 .blank = 237, .black = 237, .burst = 118,
268 };
269
270 static const struct color_conversion pal_csc_svideo = {
271 .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0145,
272 .ru = 0x0780, .gu = 0x0579, .bu = 0x031c, .au = 0x0200,
273 .rv = 0x0390, .gv = 0x034f, .bv = 0x0705, .av = 0x0200,
274 };
275
276 static const struct video_levels pal_levels_svideo = {
277 .blank = 280, .black = 280, .burst = 139,
278 };
279
280 static const struct color_conversion pal_m_csc_composite = {
281 .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0104,
282 .ru = 0x0733, .gu = 0x052d, .bu = 0x05c7, .au = 0x0200,
283 .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0200,
284 };
285
286 static const struct video_levels pal_m_levels_composite = {
287 .blank = 225, .black = 267, .burst = 113,
288 };
289
290 static const struct color_conversion pal_m_csc_svideo = {
291 .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0133,
292 .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0200,
293 .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0200,
294 };
295
296 static const struct video_levels pal_m_levels_svideo = {
297 .blank = 266, .black = 316, .burst = 133,
298 };
299
300 static const struct color_conversion pal_n_csc_composite = {
301 .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0104,
302 .ru = 0x0733, .gu = 0x052d, .bu = 0x05c7, .au = 0x0200,
303 .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0200,
304 };
305
306 static const struct video_levels pal_n_levels_composite = {
307 .blank = 225, .black = 267, .burst = 118,
308 };
309
310 static const struct color_conversion pal_n_csc_svideo = {
311 .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0133,
312 .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0200,
313 .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0200,
314 };
315
316 static const struct video_levels pal_n_levels_svideo = {
317 .blank = 266, .black = 316, .burst = 139,
318 };
319
320 /*
321 * Component connections
322 */
323 static const struct color_conversion sdtv_csc_yprpb = {
324 .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0145,
325 .ru = 0x0559, .gu = 0x0353, .bu = 0x0100, .au = 0x0200,
326 .rv = 0x0100, .gv = 0x03ad, .bv = 0x074d, .av = 0x0200,
327 };
328
329 static const struct color_conversion sdtv_csc_rgb = {
330 .ry = 0x0000, .gy = 0x0f00, .by = 0x0000, .ay = 0x0166,
331 .ru = 0x0000, .gu = 0x0000, .bu = 0x0f00, .au = 0x0166,
332 .rv = 0x0f00, .gv = 0x0000, .bv = 0x0000, .av = 0x0166,
333 };
334
335 static const struct color_conversion hdtv_csc_yprpb = {
336 .ry = 0x05b3, .gy = 0x016e, .by = 0x0728, .ay = 0x0145,
337 .ru = 0x07d5, .gu = 0x038b, .bu = 0x0100, .au = 0x0200,
338 .rv = 0x0100, .gv = 0x03d1, .bv = 0x06bc, .av = 0x0200,
339 };
340
341 static const struct color_conversion hdtv_csc_rgb = {
342 .ry = 0x0000, .gy = 0x0f00, .by = 0x0000, .ay = 0x0166,
343 .ru = 0x0000, .gu = 0x0000, .bu = 0x0f00, .au = 0x0166,
344 .rv = 0x0f00, .gv = 0x0000, .bv = 0x0000, .av = 0x0166,
345 };
346
347 static const struct video_levels component_levels = {
348 .blank = 279, .black = 279, .burst = 0,
349 };
350
351
352 struct tv_mode {
353 const char *name;
354 int clock;
355 int refresh; /* in millihertz (for precision) */
356 u32 oversample;
357 int hsync_end, hblank_start, hblank_end, htotal;
358 bool progressive, trilevel_sync, component_only;
359 int vsync_start_f1, vsync_start_f2, vsync_len;
360 bool veq_ena;
361 int veq_start_f1, veq_start_f2, veq_len;
362 int vi_end_f1, vi_end_f2, nbr_end;
363 bool burst_ena;
364 int hburst_start, hburst_len;
365 int vburst_start_f1, vburst_end_f1;
366 int vburst_start_f2, vburst_end_f2;
367 int vburst_start_f3, vburst_end_f3;
368 int vburst_start_f4, vburst_end_f4;
369 /*
370 * subcarrier programming
371 */
372 int dda2_size, dda3_size, dda1_inc, dda2_inc, dda3_inc;
373 u32 sc_reset;
374 bool pal_burst;
375 /*
376 * blank/black levels
377 */
378 const struct video_levels *composite_levels, *svideo_levels;
379 const struct color_conversion *composite_color, *svideo_color;
380 const u32 *filter_table;
381 int max_srcw;
382 };
383
384
385 /*
386 * Sub carrier DDA
387 *
388 * I think this works as follows:
389 *
390 * subcarrier freq = pixel_clock * (dda1_inc + dda2_inc / dda2_size) / 4096
391 *
392 * Presumably, when dda3 is added in, it gets to adjust the dda2_inc value
393 *
394 * So,
395 * dda1_ideal = subcarrier/pixel * 4096
396 * dda1_inc = floor (dda1_ideal)
397 * dda2 = dda1_ideal - dda1_inc
398 *
399 * then pick a ratio for dda2 that gives the closest approximation. If
400 * you can't get close enough, you can play with dda3 as well. This
401 * seems likely to happen when dda2 is small as the jumps would be larger
402 *
403 * To invert this,
404 *
405 * pixel_clock = subcarrier * 4096 / (dda1_inc + dda2_inc / dda2_size)
406 *
407 * The constants below were all computed using a 107.520MHz clock
408 */
409
410 /**
411 * Register programming values for TV modes.
412 *
413 * These values account for -1s required.
414 */
415
416 static const struct tv_mode tv_modes[] = {
417 {
418 .name = "NTSC-M",
419 .clock = 108000,
420 .refresh = 29970,
421 .oversample = TV_OVERSAMPLE_8X,
422 .component_only = 0,
423 /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */
424
425 .hsync_end = 64, .hblank_end = 124,
426 .hblank_start = 836, .htotal = 857,
427
428 .progressive = false, .trilevel_sync = false,
429
430 .vsync_start_f1 = 6, .vsync_start_f2 = 7,
431 .vsync_len = 6,
432
433 .veq_ena = true, .veq_start_f1 = 0,
434 .veq_start_f2 = 1, .veq_len = 18,
435
436 .vi_end_f1 = 20, .vi_end_f2 = 21,
437 .nbr_end = 240,
438
439 .burst_ena = true,
440 .hburst_start = 72, .hburst_len = 34,
441 .vburst_start_f1 = 9, .vburst_end_f1 = 240,
442 .vburst_start_f2 = 10, .vburst_end_f2 = 240,
443 .vburst_start_f3 = 9, .vburst_end_f3 = 240,
444 .vburst_start_f4 = 10, .vburst_end_f4 = 240,
445
446 /* desired 3.5800000 actual 3.5800000 clock 107.52 */
447 .dda1_inc = 135,
448 .dda2_inc = 20800, .dda2_size = 27456,
449 .dda3_inc = 0, .dda3_size = 0,
450 .sc_reset = TV_SC_RESET_EVERY_4,
451 .pal_burst = false,
452
453 .composite_levels = &ntsc_m_levels_composite,
454 .composite_color = &ntsc_m_csc_composite,
455 .svideo_levels = &ntsc_m_levels_svideo,
456 .svideo_color = &ntsc_m_csc_svideo,
457
458 .filter_table = filter_table,
459 },
460 {
461 .name = "NTSC-443",
462 .clock = 108000,
463 .refresh = 29970,
464 .oversample = TV_OVERSAMPLE_8X,
465 .component_only = 0,
466 /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 4.43MHz */
467 .hsync_end = 64, .hblank_end = 124,
468 .hblank_start = 836, .htotal = 857,
469
470 .progressive = false, .trilevel_sync = false,
471
472 .vsync_start_f1 = 6, .vsync_start_f2 = 7,
473 .vsync_len = 6,
474
475 .veq_ena = true, .veq_start_f1 = 0,
476 .veq_start_f2 = 1, .veq_len = 18,
477
478 .vi_end_f1 = 20, .vi_end_f2 = 21,
479 .nbr_end = 240,
480
481 .burst_ena = true,
482 .hburst_start = 72, .hburst_len = 34,
483 .vburst_start_f1 = 9, .vburst_end_f1 = 240,
484 .vburst_start_f2 = 10, .vburst_end_f2 = 240,
485 .vburst_start_f3 = 9, .vburst_end_f3 = 240,
486 .vburst_start_f4 = 10, .vburst_end_f4 = 240,
487
488 /* desired 4.4336180 actual 4.4336180 clock 107.52 */
489 .dda1_inc = 168,
490 .dda2_inc = 4093, .dda2_size = 27456,
491 .dda3_inc = 310, .dda3_size = 525,
492 .sc_reset = TV_SC_RESET_NEVER,
493 .pal_burst = false,
494
495 .composite_levels = &ntsc_m_levels_composite,
496 .composite_color = &ntsc_m_csc_composite,
497 .svideo_levels = &ntsc_m_levels_svideo,
498 .svideo_color = &ntsc_m_csc_svideo,
499
500 .filter_table = filter_table,
501 },
502 {
503 .name = "NTSC-J",
504 .clock = 108000,
505 .refresh = 29970,
506 .oversample = TV_OVERSAMPLE_8X,
507 .component_only = 0,
508
509 /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */
510 .hsync_end = 64, .hblank_end = 124,
511 .hblank_start = 836, .htotal = 857,
512
513 .progressive = false, .trilevel_sync = false,
514
515 .vsync_start_f1 = 6, .vsync_start_f2 = 7,
516 .vsync_len = 6,
517
518 .veq_ena = true, .veq_start_f1 = 0,
519 .veq_start_f2 = 1, .veq_len = 18,
520
521 .vi_end_f1 = 20, .vi_end_f2 = 21,
522 .nbr_end = 240,
523
524 .burst_ena = true,
525 .hburst_start = 72, .hburst_len = 34,
526 .vburst_start_f1 = 9, .vburst_end_f1 = 240,
527 .vburst_start_f2 = 10, .vburst_end_f2 = 240,
528 .vburst_start_f3 = 9, .vburst_end_f3 = 240,
529 .vburst_start_f4 = 10, .vburst_end_f4 = 240,
530
531 /* desired 3.5800000 actual 3.5800000 clock 107.52 */
532 .dda1_inc = 135,
533 .dda2_inc = 20800, .dda2_size = 27456,
534 .dda3_inc = 0, .dda3_size = 0,
535 .sc_reset = TV_SC_RESET_EVERY_4,
536 .pal_burst = false,
537
538 .composite_levels = &ntsc_j_levels_composite,
539 .composite_color = &ntsc_j_csc_composite,
540 .svideo_levels = &ntsc_j_levels_svideo,
541 .svideo_color = &ntsc_j_csc_svideo,
542
543 .filter_table = filter_table,
544 },
545 {
546 .name = "PAL-M",
547 .clock = 108000,
548 .refresh = 29970,
549 .oversample = TV_OVERSAMPLE_8X,
550 .component_only = 0,
551
552 /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */
553 .hsync_end = 64, .hblank_end = 124,
554 .hblank_start = 836, .htotal = 857,
555
556 .progressive = false, .trilevel_sync = false,
557
558 .vsync_start_f1 = 6, .vsync_start_f2 = 7,
559 .vsync_len = 6,
560
561 .veq_ena = true, .veq_start_f1 = 0,
562 .veq_start_f2 = 1, .veq_len = 18,
563
564 .vi_end_f1 = 20, .vi_end_f2 = 21,
565 .nbr_end = 240,
566
567 .burst_ena = true,
568 .hburst_start = 72, .hburst_len = 34,
569 .vburst_start_f1 = 9, .vburst_end_f1 = 240,
570 .vburst_start_f2 = 10, .vburst_end_f2 = 240,
571 .vburst_start_f3 = 9, .vburst_end_f3 = 240,
572 .vburst_start_f4 = 10, .vburst_end_f4 = 240,
573
574 /* desired 3.5800000 actual 3.5800000 clock 107.52 */
575 .dda1_inc = 135,
576 .dda2_inc = 16704, .dda2_size = 27456,
577 .dda3_inc = 0, .dda3_size = 0,
578 .sc_reset = TV_SC_RESET_EVERY_8,
579 .pal_burst = true,
580
581 .composite_levels = &pal_m_levels_composite,
582 .composite_color = &pal_m_csc_composite,
583 .svideo_levels = &pal_m_levels_svideo,
584 .svideo_color = &pal_m_csc_svideo,
585
586 .filter_table = filter_table,
587 },
588 {
589 /* 625 Lines, 50 Fields, 15.625KHz line, Sub-Carrier 4.434MHz */
590 .name = "PAL-N",
591 .clock = 108000,
592 .refresh = 25000,
593 .oversample = TV_OVERSAMPLE_8X,
594 .component_only = 0,
595
596 .hsync_end = 64, .hblank_end = 128,
597 .hblank_start = 844, .htotal = 863,
598
599 .progressive = false, .trilevel_sync = false,
600
601
602 .vsync_start_f1 = 6, .vsync_start_f2 = 7,
603 .vsync_len = 6,
604
605 .veq_ena = true, .veq_start_f1 = 0,
606 .veq_start_f2 = 1, .veq_len = 18,
607
608 .vi_end_f1 = 24, .vi_end_f2 = 25,
609 .nbr_end = 286,
610
611 .burst_ena = true,
612 .hburst_start = 73, .hburst_len = 34,
613 .vburst_start_f1 = 8, .vburst_end_f1 = 285,
614 .vburst_start_f2 = 8, .vburst_end_f2 = 286,
615 .vburst_start_f3 = 9, .vburst_end_f3 = 286,
616 .vburst_start_f4 = 9, .vburst_end_f4 = 285,
617
618
619 /* desired 4.4336180 actual 4.4336180 clock 107.52 */
620 .dda1_inc = 135,
621 .dda2_inc = 23578, .dda2_size = 27648,
622 .dda3_inc = 134, .dda3_size = 625,
623 .sc_reset = TV_SC_RESET_EVERY_8,
624 .pal_burst = true,
625
626 .composite_levels = &pal_n_levels_composite,
627 .composite_color = &pal_n_csc_composite,
628 .svideo_levels = &pal_n_levels_svideo,
629 .svideo_color = &pal_n_csc_svideo,
630
631 .filter_table = filter_table,
632 },
633 {
634 /* 625 Lines, 50 Fields, 15.625KHz line, Sub-Carrier 4.434MHz */
635 .name = "PAL",
636 .clock = 108000,
637 .refresh = 25000,
638 .oversample = TV_OVERSAMPLE_8X,
639 .component_only = 0,
640
641 .hsync_end = 64, .hblank_end = 142,
642 .hblank_start = 844, .htotal = 863,
643
644 .progressive = false, .trilevel_sync = false,
645
646 .vsync_start_f1 = 5, .vsync_start_f2 = 6,
647 .vsync_len = 5,
648
649 .veq_ena = true, .veq_start_f1 = 0,
650 .veq_start_f2 = 1, .veq_len = 15,
651
652 .vi_end_f1 = 24, .vi_end_f2 = 25,
653 .nbr_end = 286,
654
655 .burst_ena = true,
656 .hburst_start = 73, .hburst_len = 32,
657 .vburst_start_f1 = 8, .vburst_end_f1 = 285,
658 .vburst_start_f2 = 8, .vburst_end_f2 = 286,
659 .vburst_start_f3 = 9, .vburst_end_f3 = 286,
660 .vburst_start_f4 = 9, .vburst_end_f4 = 285,
661
662 /* desired 4.4336180 actual 4.4336180 clock 107.52 */
663 .dda1_inc = 168,
664 .dda2_inc = 4122, .dda2_size = 27648,
665 .dda3_inc = 67, .dda3_size = 625,
666 .sc_reset = TV_SC_RESET_EVERY_8,
667 .pal_burst = true,
668
669 .composite_levels = &pal_levels_composite,
670 .composite_color = &pal_csc_composite,
671 .svideo_levels = &pal_levels_svideo,
672 .svideo_color = &pal_csc_svideo,
673
674 .filter_table = filter_table,
675 },
676 {
677 .name = "480p@59.94Hz",
678 .clock = 107520,
679 .refresh = 59940,
680 .oversample = TV_OVERSAMPLE_4X,
681 .component_only = 1,
682
683 .hsync_end = 64, .hblank_end = 122,
684 .hblank_start = 842, .htotal = 857,
685
686 .progressive = true,.trilevel_sync = false,
687
688 .vsync_start_f1 = 12, .vsync_start_f2 = 12,
689 .vsync_len = 12,
690
691 .veq_ena = false,
692
693 .vi_end_f1 = 44, .vi_end_f2 = 44,
694 .nbr_end = 479,
695
696 .burst_ena = false,
697
698 .filter_table = filter_table,
699 },
700 {
701 .name = "480p@60Hz",
702 .clock = 107520,
703 .refresh = 60000,
704 .oversample = TV_OVERSAMPLE_4X,
705 .component_only = 1,
706
707 .hsync_end = 64, .hblank_end = 122,
708 .hblank_start = 842, .htotal = 856,
709
710 .progressive = true,.trilevel_sync = false,
711
712 .vsync_start_f1 = 12, .vsync_start_f2 = 12,
713 .vsync_len = 12,
714
715 .veq_ena = false,
716
717 .vi_end_f1 = 44, .vi_end_f2 = 44,
718 .nbr_end = 479,
719
720 .burst_ena = false,
721
722 .filter_table = filter_table,
723 },
724 {
725 .name = "576p",
726 .clock = 107520,
727 .refresh = 50000,
728 .oversample = TV_OVERSAMPLE_4X,
729 .component_only = 1,
730
731 .hsync_end = 64, .hblank_end = 139,
732 .hblank_start = 859, .htotal = 863,
733
734 .progressive = true, .trilevel_sync = false,
735
736 .vsync_start_f1 = 10, .vsync_start_f2 = 10,
737 .vsync_len = 10,
738
739 .veq_ena = false,
740
741 .vi_end_f1 = 48, .vi_end_f2 = 48,
742 .nbr_end = 575,
743
744 .burst_ena = false,
745
746 .filter_table = filter_table,
747 },
748 {
749 .name = "720p@60Hz",
750 .clock = 148800,
751 .refresh = 60000,
752 .oversample = TV_OVERSAMPLE_2X,
753 .component_only = 1,
754
755 .hsync_end = 80, .hblank_end = 300,
756 .hblank_start = 1580, .htotal = 1649,
757
758 .progressive = true, .trilevel_sync = true,
759
760 .vsync_start_f1 = 10, .vsync_start_f2 = 10,
761 .vsync_len = 10,
762
763 .veq_ena = false,
764
765 .vi_end_f1 = 29, .vi_end_f2 = 29,
766 .nbr_end = 719,
767
768 .burst_ena = false,
769
770 .filter_table = filter_table,
771 },
772 {
773 .name = "720p@59.94Hz",
774 .clock = 148800,
775 .refresh = 59940,
776 .oversample = TV_OVERSAMPLE_2X,
777 .component_only = 1,
778
779 .hsync_end = 80, .hblank_end = 300,
780 .hblank_start = 1580, .htotal = 1651,
781
782 .progressive = true, .trilevel_sync = true,
783
784 .vsync_start_f1 = 10, .vsync_start_f2 = 10,
785 .vsync_len = 10,
786
787 .veq_ena = false,
788
789 .vi_end_f1 = 29, .vi_end_f2 = 29,
790 .nbr_end = 719,
791
792 .burst_ena = false,
793
794 .filter_table = filter_table,
795 },
796 {
797 .name = "720p@50Hz",
798 .clock = 148800,
799 .refresh = 50000,
800 .oversample = TV_OVERSAMPLE_2X,
801 .component_only = 1,
802
803 .hsync_end = 80, .hblank_end = 300,
804 .hblank_start = 1580, .htotal = 1979,
805
806 .progressive = true, .trilevel_sync = true,
807
808 .vsync_start_f1 = 10, .vsync_start_f2 = 10,
809 .vsync_len = 10,
810
811 .veq_ena = false,
812
813 .vi_end_f1 = 29, .vi_end_f2 = 29,
814 .nbr_end = 719,
815
816 .burst_ena = false,
817
818 .filter_table = filter_table,
819 .max_srcw = 800
820 },
821 {
822 .name = "1080i@50Hz",
823 .clock = 148800,
824 .refresh = 25000,
825 .oversample = TV_OVERSAMPLE_2X,
826 .component_only = 1,
827
828 .hsync_end = 88, .hblank_end = 235,
829 .hblank_start = 2155, .htotal = 2639,
830
831 .progressive = false, .trilevel_sync = true,
832
833 .vsync_start_f1 = 4, .vsync_start_f2 = 5,
834 .vsync_len = 10,
835
836 .veq_ena = true, .veq_start_f1 = 4,
837 .veq_start_f2 = 4, .veq_len = 10,
838
839
840 .vi_end_f1 = 21, .vi_end_f2 = 22,
841 .nbr_end = 539,
842
843 .burst_ena = false,
844
845 .filter_table = filter_table,
846 },
847 {
848 .name = "1080i@60Hz",
849 .clock = 148800,
850 .refresh = 30000,
851 .oversample = TV_OVERSAMPLE_2X,
852 .component_only = 1,
853
854 .hsync_end = 88, .hblank_end = 235,
855 .hblank_start = 2155, .htotal = 2199,
856
857 .progressive = false, .trilevel_sync = true,
858
859 .vsync_start_f1 = 4, .vsync_start_f2 = 5,
860 .vsync_len = 10,
861
862 .veq_ena = true, .veq_start_f1 = 4,
863 .veq_start_f2 = 4, .veq_len = 10,
864
865
866 .vi_end_f1 = 21, .vi_end_f2 = 22,
867 .nbr_end = 539,
868
869 .burst_ena = false,
870
871 .filter_table = filter_table,
872 },
873 {
874 .name = "1080i@59.94Hz",
875 .clock = 148800,
876 .refresh = 29970,
877 .oversample = TV_OVERSAMPLE_2X,
878 .component_only = 1,
879
880 .hsync_end = 88, .hblank_end = 235,
881 .hblank_start = 2155, .htotal = 2201,
882
883 .progressive = false, .trilevel_sync = true,
884
885 .vsync_start_f1 = 4, .vsync_start_f2 = 5,
886 .vsync_len = 10,
887
888 .veq_ena = true, .veq_start_f1 = 4,
889 .veq_start_f2 = 4, .veq_len = 10,
890
891
892 .vi_end_f1 = 21, .vi_end_f2 = 22,
893 .nbr_end = 539,
894
895 .burst_ena = false,
896
897 .filter_table = filter_table,
898 },
899 };
900
901 static struct intel_tv *enc_to_intel_tv(struct drm_encoder *encoder)
902 {
903 return container_of(encoder, struct intel_tv, base.base);
904 }
905
906 static struct intel_tv *intel_attached_tv(struct drm_connector *connector)
907 {
908 return container_of(intel_attached_encoder(connector),
909 struct intel_tv,
910 base);
911 }
912
913 static void
914 intel_tv_dpms(struct drm_encoder *encoder, int mode)
915 {
916 struct drm_device *dev = encoder->dev;
917 struct drm_i915_private *dev_priv = dev->dev_private;
918
919 switch(mode) {
920 case DRM_MODE_DPMS_ON:
921 I915_WRITE(TV_CTL, I915_READ(TV_CTL) | TV_ENC_ENABLE);
922 break;
923 case DRM_MODE_DPMS_STANDBY:
924 case DRM_MODE_DPMS_SUSPEND:
925 case DRM_MODE_DPMS_OFF:
926 I915_WRITE(TV_CTL, I915_READ(TV_CTL) & ~TV_ENC_ENABLE);
927 break;
928 }
929 }
930
931 static const struct tv_mode *
932 intel_tv_mode_lookup(const char *tv_format)
933 {
934 int i;
935
936 for (i = 0; i < sizeof(tv_modes) / sizeof (tv_modes[0]); i++) {
937 const struct tv_mode *tv_mode = &tv_modes[i];
938
939 if (!strcmp(tv_format, tv_mode->name))
940 return tv_mode;
941 }
942 return NULL;
943 }
944
945 static const struct tv_mode *
946 intel_tv_mode_find(struct intel_tv *intel_tv)
947 {
948 return intel_tv_mode_lookup(intel_tv->tv_format);
949 }
950
951 static enum drm_mode_status
952 intel_tv_mode_valid(struct drm_connector *connector,
953 struct drm_display_mode *mode)
954 {
955 struct intel_tv *intel_tv = intel_attached_tv(connector);
956 const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
957
958 /* Ensure TV refresh is close to desired refresh */
959 if (tv_mode && abs(tv_mode->refresh - drm_mode_vrefresh(mode) * 1000)
960 < 1000)
961 return MODE_OK;
962
963 return MODE_CLOCK_RANGE;
964 }
965
966
967 static bool
968 intel_tv_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
969 struct drm_display_mode *adjusted_mode)
970 {
971 struct drm_device *dev = encoder->dev;
972 struct drm_mode_config *drm_config = &dev->mode_config;
973 struct intel_tv *intel_tv = enc_to_intel_tv(encoder);
974 const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
975 struct drm_encoder *other_encoder;
976
977 if (!tv_mode)
978 return false;
979
980 /* FIXME: lock encoder list */
981 list_for_each_entry(other_encoder, &drm_config->encoder_list, head) {
982 if (other_encoder != encoder &&
983 other_encoder->crtc == encoder->crtc)
984 return false;
985 }
986
987 adjusted_mode->clock = tv_mode->clock;
988 return true;
989 }
990
991 static void
992 intel_tv_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
993 struct drm_display_mode *adjusted_mode)
994 {
995 struct drm_device *dev = encoder->dev;
996 struct drm_i915_private *dev_priv = dev->dev_private;
997 struct drm_crtc *crtc = encoder->crtc;
998 struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
999 struct intel_tv *intel_tv = enc_to_intel_tv(encoder);
1000 const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
1001 u32 tv_ctl;
1002 u32 hctl1, hctl2, hctl3;
1003 u32 vctl1, vctl2, vctl3, vctl4, vctl5, vctl6, vctl7;
1004 u32 scctl1, scctl2, scctl3;
1005 int i, j;
1006 const struct video_levels *video_levels;
1007 const struct color_conversion *color_conversion;
1008 bool burst_ena;
1009
1010 if (!tv_mode)
1011 return; /* can't happen (mode_prepare prevents this) */
1012
1013 tv_ctl = I915_READ(TV_CTL);
1014 tv_ctl &= TV_CTL_SAVE;
1015
1016 switch (intel_tv->type) {
1017 default:
1018 case DRM_MODE_CONNECTOR_Unknown:
1019 case DRM_MODE_CONNECTOR_Composite:
1020 tv_ctl |= TV_ENC_OUTPUT_COMPOSITE;
1021 video_levels = tv_mode->composite_levels;
1022 color_conversion = tv_mode->composite_color;
1023 burst_ena = tv_mode->burst_ena;
1024 break;
1025 case DRM_MODE_CONNECTOR_Component:
1026 tv_ctl |= TV_ENC_OUTPUT_COMPONENT;
1027 video_levels = &component_levels;
1028 if (tv_mode->burst_ena)
1029 color_conversion = &sdtv_csc_yprpb;
1030 else
1031 color_conversion = &hdtv_csc_yprpb;
1032 burst_ena = false;
1033 break;
1034 case DRM_MODE_CONNECTOR_SVIDEO:
1035 tv_ctl |= TV_ENC_OUTPUT_SVIDEO;
1036 video_levels = tv_mode->svideo_levels;
1037 color_conversion = tv_mode->svideo_color;
1038 burst_ena = tv_mode->burst_ena;
1039 break;
1040 }
1041 hctl1 = (tv_mode->hsync_end << TV_HSYNC_END_SHIFT) |
1042 (tv_mode->htotal << TV_HTOTAL_SHIFT);
1043
1044 hctl2 = (tv_mode->hburst_start << 16) |
1045 (tv_mode->hburst_len << TV_HBURST_LEN_SHIFT);
1046
1047 if (burst_ena)
1048 hctl2 |= TV_BURST_ENA;
1049
1050 hctl3 = (tv_mode->hblank_start << TV_HBLANK_START_SHIFT) |
1051 (tv_mode->hblank_end << TV_HBLANK_END_SHIFT);
1052
1053 vctl1 = (tv_mode->nbr_end << TV_NBR_END_SHIFT) |
1054 (tv_mode->vi_end_f1 << TV_VI_END_F1_SHIFT) |
1055 (tv_mode->vi_end_f2 << TV_VI_END_F2_SHIFT);
1056
1057 vctl2 = (tv_mode->vsync_len << TV_VSYNC_LEN_SHIFT) |
1058 (tv_mode->vsync_start_f1 << TV_VSYNC_START_F1_SHIFT) |
1059 (tv_mode->vsync_start_f2 << TV_VSYNC_START_F2_SHIFT);
1060
1061 vctl3 = (tv_mode->veq_len << TV_VEQ_LEN_SHIFT) |
1062 (tv_mode->veq_start_f1 << TV_VEQ_START_F1_SHIFT) |
1063 (tv_mode->veq_start_f2 << TV_VEQ_START_F2_SHIFT);
1064
1065 if (tv_mode->veq_ena)
1066 vctl3 |= TV_EQUAL_ENA;
1067
1068 vctl4 = (tv_mode->vburst_start_f1 << TV_VBURST_START_F1_SHIFT) |
1069 (tv_mode->vburst_end_f1 << TV_VBURST_END_F1_SHIFT);
1070
1071 vctl5 = (tv_mode->vburst_start_f2 << TV_VBURST_START_F2_SHIFT) |
1072 (tv_mode->vburst_end_f2 << TV_VBURST_END_F2_SHIFT);
1073
1074 vctl6 = (tv_mode->vburst_start_f3 << TV_VBURST_START_F3_SHIFT) |
1075 (tv_mode->vburst_end_f3 << TV_VBURST_END_F3_SHIFT);
1076
1077 vctl7 = (tv_mode->vburst_start_f4 << TV_VBURST_START_F4_SHIFT) |
1078 (tv_mode->vburst_end_f4 << TV_VBURST_END_F4_SHIFT);
1079
1080 if (intel_crtc->pipe == 1)
1081 tv_ctl |= TV_ENC_PIPEB_SELECT;
1082 tv_ctl |= tv_mode->oversample;
1083
1084 if (tv_mode->progressive)
1085 tv_ctl |= TV_PROGRESSIVE;
1086 if (tv_mode->trilevel_sync)
1087 tv_ctl |= TV_TRILEVEL_SYNC;
1088 if (tv_mode->pal_burst)
1089 tv_ctl |= TV_PAL_BURST;
1090
1091 scctl1 = 0;
1092 if (tv_mode->dda1_inc)
1093 scctl1 |= TV_SC_DDA1_EN;
1094 if (tv_mode->dda2_inc)
1095 scctl1 |= TV_SC_DDA2_EN;
1096 if (tv_mode->dda3_inc)
1097 scctl1 |= TV_SC_DDA3_EN;
1098 scctl1 |= tv_mode->sc_reset;
1099 if (video_levels)
1100 scctl1 |= video_levels->burst << TV_BURST_LEVEL_SHIFT;
1101 scctl1 |= tv_mode->dda1_inc << TV_SCDDA1_INC_SHIFT;
1102
1103 scctl2 = tv_mode->dda2_size << TV_SCDDA2_SIZE_SHIFT |
1104 tv_mode->dda2_inc << TV_SCDDA2_INC_SHIFT;
1105
1106 scctl3 = tv_mode->dda3_size << TV_SCDDA3_SIZE_SHIFT |
1107 tv_mode->dda3_inc << TV_SCDDA3_INC_SHIFT;
1108
1109 /* Enable two fixes for the chips that need them. */
1110 if (dev->pci_device < 0x2772)
1111 tv_ctl |= TV_ENC_C0_FIX | TV_ENC_SDP_FIX;
1112
1113 I915_WRITE(TV_H_CTL_1, hctl1);
1114 I915_WRITE(TV_H_CTL_2, hctl2);
1115 I915_WRITE(TV_H_CTL_3, hctl3);
1116 I915_WRITE(TV_V_CTL_1, vctl1);
1117 I915_WRITE(TV_V_CTL_2, vctl2);
1118 I915_WRITE(TV_V_CTL_3, vctl3);
1119 I915_WRITE(TV_V_CTL_4, vctl4);
1120 I915_WRITE(TV_V_CTL_5, vctl5);
1121 I915_WRITE(TV_V_CTL_6, vctl6);
1122 I915_WRITE(TV_V_CTL_7, vctl7);
1123 I915_WRITE(TV_SC_CTL_1, scctl1);
1124 I915_WRITE(TV_SC_CTL_2, scctl2);
1125 I915_WRITE(TV_SC_CTL_3, scctl3);
1126
1127 if (color_conversion) {
1128 I915_WRITE(TV_CSC_Y, (color_conversion->ry << 16) |
1129 color_conversion->gy);
1130 I915_WRITE(TV_CSC_Y2,(color_conversion->by << 16) |
1131 color_conversion->ay);
1132 I915_WRITE(TV_CSC_U, (color_conversion->ru << 16) |
1133 color_conversion->gu);
1134 I915_WRITE(TV_CSC_U2, (color_conversion->bu << 16) |
1135 color_conversion->au);
1136 I915_WRITE(TV_CSC_V, (color_conversion->rv << 16) |
1137 color_conversion->gv);
1138 I915_WRITE(TV_CSC_V2, (color_conversion->bv << 16) |
1139 color_conversion->av);
1140 }
1141
1142 if (INTEL_INFO(dev)->gen >= 4)
1143 I915_WRITE(TV_CLR_KNOBS, 0x00404000);
1144 else
1145 I915_WRITE(TV_CLR_KNOBS, 0x00606000);
1146
1147 if (video_levels)
1148 I915_WRITE(TV_CLR_LEVEL,
1149 ((video_levels->black << TV_BLACK_LEVEL_SHIFT) |
1150 (video_levels->blank << TV_BLANK_LEVEL_SHIFT)));
1151 {
1152 int pipeconf_reg = (intel_crtc->pipe == 0) ?
1153 PIPEACONF : PIPEBCONF;
1154 int dspcntr_reg = (intel_crtc->plane == 0) ?
1155 DSPACNTR : DSPBCNTR;
1156 int pipeconf = I915_READ(pipeconf_reg);
1157 int dspcntr = I915_READ(dspcntr_reg);
1158 int dspbase_reg = (intel_crtc->plane == 0) ?
1159 DSPAADDR : DSPBADDR;
1160 int xpos = 0x0, ypos = 0x0;
1161 unsigned int xsize, ysize;
1162 /* Pipe must be off here */
1163 I915_WRITE(dspcntr_reg, dspcntr & ~DISPLAY_PLANE_ENABLE);
1164 /* Flush the plane changes */
1165 I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
1166
1167 /* Wait for vblank for the disable to take effect */
1168 if (IS_GEN2(dev))
1169 intel_wait_for_vblank(dev, intel_crtc->pipe);
1170
1171 I915_WRITE(pipeconf_reg, pipeconf & ~PIPECONF_ENABLE);
1172 /* Wait for vblank for the disable to take effect. */
1173 intel_wait_for_vblank_off(dev, intel_crtc->pipe);
1174
1175 /* Filter ctl must be set before TV_WIN_SIZE */
1176 I915_WRITE(TV_FILTER_CTL_1, TV_AUTO_SCALE);
1177 xsize = tv_mode->hblank_start - tv_mode->hblank_end;
1178 if (tv_mode->progressive)
1179 ysize = tv_mode->nbr_end + 1;
1180 else
1181 ysize = 2*tv_mode->nbr_end + 1;
1182
1183 xpos += intel_tv->margin[TV_MARGIN_LEFT];
1184 ypos += intel_tv->margin[TV_MARGIN_TOP];
1185 xsize -= (intel_tv->margin[TV_MARGIN_LEFT] +
1186 intel_tv->margin[TV_MARGIN_RIGHT]);
1187 ysize -= (intel_tv->margin[TV_MARGIN_TOP] +
1188 intel_tv->margin[TV_MARGIN_BOTTOM]);
1189 I915_WRITE(TV_WIN_POS, (xpos<<16)|ypos);
1190 I915_WRITE(TV_WIN_SIZE, (xsize<<16)|ysize);
1191
1192 I915_WRITE(pipeconf_reg, pipeconf);
1193 I915_WRITE(dspcntr_reg, dspcntr);
1194 /* Flush the plane changes */
1195 I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
1196 }
1197
1198 j = 0;
1199 for (i = 0; i < 60; i++)
1200 I915_WRITE(TV_H_LUMA_0 + (i<<2), tv_mode->filter_table[j++]);
1201 for (i = 0; i < 60; i++)
1202 I915_WRITE(TV_H_CHROMA_0 + (i<<2), tv_mode->filter_table[j++]);
1203 for (i = 0; i < 43; i++)
1204 I915_WRITE(TV_V_LUMA_0 + (i<<2), tv_mode->filter_table[j++]);
1205 for (i = 0; i < 43; i++)
1206 I915_WRITE(TV_V_CHROMA_0 + (i<<2), tv_mode->filter_table[j++]);
1207 I915_WRITE(TV_DAC, I915_READ(TV_DAC) & TV_DAC_SAVE);
1208 I915_WRITE(TV_CTL, tv_ctl);
1209 }
1210
1211 static const struct drm_display_mode reported_modes[] = {
1212 {
1213 .name = "NTSC 480i",
1214 .clock = 107520,
1215 .hdisplay = 1280,
1216 .hsync_start = 1368,
1217 .hsync_end = 1496,
1218 .htotal = 1712,
1219
1220 .vdisplay = 1024,
1221 .vsync_start = 1027,
1222 .vsync_end = 1034,
1223 .vtotal = 1104,
1224 .type = DRM_MODE_TYPE_DRIVER,
1225 },
1226 };
1227
1228 /**
1229 * Detects TV presence by checking for load.
1230 *
1231 * Requires that the current pipe's DPLL is active.
1232
1233 * \return true if TV is connected.
1234 * \return false if TV is disconnected.
1235 */
1236 static int
1237 intel_tv_detect_type (struct intel_tv *intel_tv)
1238 {
1239 struct drm_encoder *encoder = &intel_tv->base.base;
1240 struct drm_device *dev = encoder->dev;
1241 struct drm_i915_private *dev_priv = dev->dev_private;
1242 unsigned long irqflags;
1243 u32 tv_ctl, save_tv_ctl;
1244 u32 tv_dac, save_tv_dac;
1245 int type;
1246
1247 /* Disable TV interrupts around load detect or we'll recurse */
1248 spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
1249 i915_disable_pipestat(dev_priv, 0, PIPE_HOTPLUG_INTERRUPT_ENABLE |
1250 PIPE_HOTPLUG_TV_INTERRUPT_ENABLE);
1251 spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
1252
1253 save_tv_dac = tv_dac = I915_READ(TV_DAC);
1254 save_tv_ctl = tv_ctl = I915_READ(TV_CTL);
1255
1256 /* Poll for TV detection */
1257 tv_ctl &= ~(TV_ENC_ENABLE | TV_TEST_MODE_MASK);
1258 tv_ctl |= TV_TEST_MODE_MONITOR_DETECT;
1259
1260 tv_dac &= ~(TVDAC_SENSE_MASK | DAC_A_MASK | DAC_B_MASK | DAC_C_MASK);
1261 tv_dac |= (TVDAC_STATE_CHG_EN |
1262 TVDAC_A_SENSE_CTL |
1263 TVDAC_B_SENSE_CTL |
1264 TVDAC_C_SENSE_CTL |
1265 DAC_CTL_OVERRIDE |
1266 DAC_A_0_7_V |
1267 DAC_B_0_7_V |
1268 DAC_C_0_7_V);
1269
1270 I915_WRITE(TV_CTL, tv_ctl);
1271 I915_WRITE(TV_DAC, tv_dac);
1272 POSTING_READ(TV_DAC);
1273
1274 type = -1;
1275 if (wait_for((tv_dac = I915_READ(TV_DAC)) & TVDAC_STATE_CHG, 20) == 0) {
1276 /*
1277 * A B C
1278 * 0 1 1 Composite
1279 * 1 0 X svideo
1280 * 0 0 0 Component
1281 */
1282 if ((tv_dac & TVDAC_SENSE_MASK) == (TVDAC_B_SENSE | TVDAC_C_SENSE)) {
1283 DRM_DEBUG_KMS("Detected Composite TV connection\n");
1284 type = DRM_MODE_CONNECTOR_Composite;
1285 } else if ((tv_dac & (TVDAC_A_SENSE|TVDAC_B_SENSE)) == TVDAC_A_SENSE) {
1286 DRM_DEBUG_KMS("Detected S-Video TV connection\n");
1287 type = DRM_MODE_CONNECTOR_SVIDEO;
1288 } else if ((tv_dac & TVDAC_SENSE_MASK) == 0) {
1289 DRM_DEBUG_KMS("Detected Component TV connection\n");
1290 type = DRM_MODE_CONNECTOR_Component;
1291 } else {
1292 DRM_DEBUG_KMS("Unrecognised TV connection: %x\n",
1293 tv_dac);
1294 }
1295 }
1296
1297 I915_WRITE(TV_DAC, save_tv_dac & ~TVDAC_STATE_CHG_EN);
1298 I915_WRITE(TV_CTL, save_tv_ctl);
1299
1300 /* Restore interrupt config */
1301 spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
1302 i915_enable_pipestat(dev_priv, 0, PIPE_HOTPLUG_INTERRUPT_ENABLE |
1303 PIPE_HOTPLUG_TV_INTERRUPT_ENABLE);
1304 spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
1305
1306 return type;
1307 }
1308
1309 /*
1310 * Here we set accurate tv format according to connector type
1311 * i.e Component TV should not be assigned by NTSC or PAL
1312 */
1313 static void intel_tv_find_better_format(struct drm_connector *connector)
1314 {
1315 struct intel_tv *intel_tv = intel_attached_tv(connector);
1316 const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
1317 int i;
1318
1319 if ((intel_tv->type == DRM_MODE_CONNECTOR_Component) ==
1320 tv_mode->component_only)
1321 return;
1322
1323
1324 for (i = 0; i < sizeof(tv_modes) / sizeof(*tv_modes); i++) {
1325 tv_mode = tv_modes + i;
1326
1327 if ((intel_tv->type == DRM_MODE_CONNECTOR_Component) ==
1328 tv_mode->component_only)
1329 break;
1330 }
1331
1332 intel_tv->tv_format = tv_mode->name;
1333 drm_connector_property_set_value(connector,
1334 connector->dev->mode_config.tv_mode_property, i);
1335 }
1336
1337 /**
1338 * Detect the TV connection.
1339 *
1340 * Currently this always returns CONNECTOR_STATUS_UNKNOWN, as we need to be sure
1341 * we have a pipe programmed in order to probe the TV.
1342 */
1343 static enum drm_connector_status
1344 intel_tv_detect(struct drm_connector *connector, bool force)
1345 {
1346 struct drm_display_mode mode;
1347 struct intel_tv *intel_tv = intel_attached_tv(connector);
1348 int type;
1349
1350 mode = reported_modes[0];
1351 drm_mode_set_crtcinfo(&mode, CRTC_INTERLACE_HALVE_V);
1352
1353 if (intel_tv->base.base.crtc && intel_tv->base.base.crtc->enabled) {
1354 type = intel_tv_detect_type(intel_tv);
1355 } else if (force) {
1356 struct drm_crtc *crtc;
1357 int dpms_mode;
1358
1359 crtc = intel_get_load_detect_pipe(&intel_tv->base, connector,
1360 &mode, &dpms_mode);
1361 if (crtc) {
1362 type = intel_tv_detect_type(intel_tv);
1363 intel_release_load_detect_pipe(&intel_tv->base, connector,
1364 dpms_mode);
1365 } else
1366 return connector_status_unknown;
1367 } else
1368 return connector->status;
1369
1370 if (type < 0)
1371 return connector_status_disconnected;
1372
1373 intel_tv_find_better_format(connector);
1374 return connector_status_connected;
1375 }
1376
1377 static const struct input_res {
1378 const char *name;
1379 int w, h;
1380 } input_res_table[] = {
1381 {"640x480", 640, 480},
1382 {"800x600", 800, 600},
1383 {"1024x768", 1024, 768},
1384 {"1280x1024", 1280, 1024},
1385 {"848x480", 848, 480},
1386 {"1280x720", 1280, 720},
1387 {"1920x1080", 1920, 1080},
1388 };
1389
1390 /*
1391 * Chose preferred mode according to line number of TV format
1392 */
1393 static void
1394 intel_tv_chose_preferred_modes(struct drm_connector *connector,
1395 struct drm_display_mode *mode_ptr)
1396 {
1397 struct intel_tv *intel_tv = intel_attached_tv(connector);
1398 const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
1399
1400 if (tv_mode->nbr_end < 480 && mode_ptr->vdisplay == 480)
1401 mode_ptr->type |= DRM_MODE_TYPE_PREFERRED;
1402 else if (tv_mode->nbr_end > 480) {
1403 if (tv_mode->progressive == true && tv_mode->nbr_end < 720) {
1404 if (mode_ptr->vdisplay == 720)
1405 mode_ptr->type |= DRM_MODE_TYPE_PREFERRED;
1406 } else if (mode_ptr->vdisplay == 1080)
1407 mode_ptr->type |= DRM_MODE_TYPE_PREFERRED;
1408 }
1409 }
1410
1411 /**
1412 * Stub get_modes function.
1413 *
1414 * This should probably return a set of fixed modes, unless we can figure out
1415 * how to probe modes off of TV connections.
1416 */
1417
1418 static int
1419 intel_tv_get_modes(struct drm_connector *connector)
1420 {
1421 struct drm_display_mode *mode_ptr;
1422 struct intel_tv *intel_tv = intel_attached_tv(connector);
1423 const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
1424 int j, count = 0;
1425 u64 tmp;
1426
1427 for (j = 0; j < ARRAY_SIZE(input_res_table);
1428 j++) {
1429 const struct input_res *input = &input_res_table[j];
1430 unsigned int hactive_s = input->w;
1431 unsigned int vactive_s = input->h;
1432
1433 if (tv_mode->max_srcw && input->w > tv_mode->max_srcw)
1434 continue;
1435
1436 if (input->w > 1024 && (!tv_mode->progressive
1437 && !tv_mode->component_only))
1438 continue;
1439
1440 mode_ptr = drm_mode_create(connector->dev);
1441 if (!mode_ptr)
1442 continue;
1443 strncpy(mode_ptr->name, input->name, DRM_DISPLAY_MODE_LEN);
1444
1445 mode_ptr->hdisplay = hactive_s;
1446 mode_ptr->hsync_start = hactive_s + 1;
1447 mode_ptr->hsync_end = hactive_s + 64;
1448 if (mode_ptr->hsync_end <= mode_ptr->hsync_start)
1449 mode_ptr->hsync_end = mode_ptr->hsync_start + 1;
1450 mode_ptr->htotal = hactive_s + 96;
1451
1452 mode_ptr->vdisplay = vactive_s;
1453 mode_ptr->vsync_start = vactive_s + 1;
1454 mode_ptr->vsync_end = vactive_s + 32;
1455 if (mode_ptr->vsync_end <= mode_ptr->vsync_start)
1456 mode_ptr->vsync_end = mode_ptr->vsync_start + 1;
1457 mode_ptr->vtotal = vactive_s + 33;
1458
1459 tmp = (u64) tv_mode->refresh * mode_ptr->vtotal;
1460 tmp *= mode_ptr->htotal;
1461 tmp = div_u64(tmp, 1000000);
1462 mode_ptr->clock = (int) tmp;
1463
1464 mode_ptr->type = DRM_MODE_TYPE_DRIVER;
1465 intel_tv_chose_preferred_modes(connector, mode_ptr);
1466 drm_mode_probed_add(connector, mode_ptr);
1467 count++;
1468 }
1469
1470 return count;
1471 }
1472
1473 static void
1474 intel_tv_destroy (struct drm_connector *connector)
1475 {
1476 drm_sysfs_connector_remove(connector);
1477 drm_connector_cleanup(connector);
1478 kfree(connector);
1479 }
1480
1481
1482 static int
1483 intel_tv_set_property(struct drm_connector *connector, struct drm_property *property,
1484 uint64_t val)
1485 {
1486 struct drm_device *dev = connector->dev;
1487 struct intel_tv *intel_tv = intel_attached_tv(connector);
1488 struct drm_crtc *crtc = intel_tv->base.base.crtc;
1489 int ret = 0;
1490 bool changed = false;
1491
1492 ret = drm_connector_property_set_value(connector, property, val);
1493 if (ret < 0)
1494 goto out;
1495
1496 if (property == dev->mode_config.tv_left_margin_property &&
1497 intel_tv->margin[TV_MARGIN_LEFT] != val) {
1498 intel_tv->margin[TV_MARGIN_LEFT] = val;
1499 changed = true;
1500 } else if (property == dev->mode_config.tv_right_margin_property &&
1501 intel_tv->margin[TV_MARGIN_RIGHT] != val) {
1502 intel_tv->margin[TV_MARGIN_RIGHT] = val;
1503 changed = true;
1504 } else if (property == dev->mode_config.tv_top_margin_property &&
1505 intel_tv->margin[TV_MARGIN_TOP] != val) {
1506 intel_tv->margin[TV_MARGIN_TOP] = val;
1507 changed = true;
1508 } else if (property == dev->mode_config.tv_bottom_margin_property &&
1509 intel_tv->margin[TV_MARGIN_BOTTOM] != val) {
1510 intel_tv->margin[TV_MARGIN_BOTTOM] = val;
1511 changed = true;
1512 } else if (property == dev->mode_config.tv_mode_property) {
1513 if (val >= ARRAY_SIZE(tv_modes)) {
1514 ret = -EINVAL;
1515 goto out;
1516 }
1517 if (!strcmp(intel_tv->tv_format, tv_modes[val].name))
1518 goto out;
1519
1520 intel_tv->tv_format = tv_modes[val].name;
1521 changed = true;
1522 } else {
1523 ret = -EINVAL;
1524 goto out;
1525 }
1526
1527 if (changed && crtc)
1528 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1529 crtc->y, crtc->fb);
1530 out:
1531 return ret;
1532 }
1533
1534 static const struct drm_encoder_helper_funcs intel_tv_helper_funcs = {
1535 .dpms = intel_tv_dpms,
1536 .mode_fixup = intel_tv_mode_fixup,
1537 .prepare = intel_encoder_prepare,
1538 .mode_set = intel_tv_mode_set,
1539 .commit = intel_encoder_commit,
1540 };
1541
1542 static const struct drm_connector_funcs intel_tv_connector_funcs = {
1543 .dpms = drm_helper_connector_dpms,
1544 .detect = intel_tv_detect,
1545 .destroy = intel_tv_destroy,
1546 .set_property = intel_tv_set_property,
1547 .fill_modes = drm_helper_probe_single_connector_modes,
1548 };
1549
1550 static const struct drm_connector_helper_funcs intel_tv_connector_helper_funcs = {
1551 .mode_valid = intel_tv_mode_valid,
1552 .get_modes = intel_tv_get_modes,
1553 .best_encoder = intel_best_encoder,
1554 };
1555
1556 static const struct drm_encoder_funcs intel_tv_enc_funcs = {
1557 .destroy = intel_encoder_destroy,
1558 };
1559
1560 /*
1561 * Enumerate the child dev array parsed from VBT to check whether
1562 * the integrated TV is present.
1563 * If it is present, return 1.
1564 * If it is not present, return false.
1565 * If no child dev is parsed from VBT, it assumes that the TV is present.
1566 */
1567 static int tv_is_present_in_vbt(struct drm_device *dev)
1568 {
1569 struct drm_i915_private *dev_priv = dev->dev_private;
1570 struct child_device_config *p_child;
1571 int i, ret;
1572
1573 if (!dev_priv->child_dev_num)
1574 return 1;
1575
1576 ret = 0;
1577 for (i = 0; i < dev_priv->child_dev_num; i++) {
1578 p_child = dev_priv->child_dev + i;
1579 /*
1580 * If the device type is not TV, continue.
1581 */
1582 if (p_child->device_type != DEVICE_TYPE_INT_TV &&
1583 p_child->device_type != DEVICE_TYPE_TV)
1584 continue;
1585 /* Only when the addin_offset is non-zero, it is regarded
1586 * as present.
1587 */
1588 if (p_child->addin_offset) {
1589 ret = 1;
1590 break;
1591 }
1592 }
1593 return ret;
1594 }
1595
1596 void
1597 intel_tv_init(struct drm_device *dev)
1598 {
1599 struct drm_i915_private *dev_priv = dev->dev_private;
1600 struct drm_connector *connector;
1601 struct intel_tv *intel_tv;
1602 struct intel_encoder *intel_encoder;
1603 struct intel_connector *intel_connector;
1604 u32 tv_dac_on, tv_dac_off, save_tv_dac;
1605 char *tv_format_names[ARRAY_SIZE(tv_modes)];
1606 int i, initial_mode = 0;
1607
1608 if ((I915_READ(TV_CTL) & TV_FUSE_STATE_MASK) == TV_FUSE_STATE_DISABLED)
1609 return;
1610
1611 if (!tv_is_present_in_vbt(dev)) {
1612 DRM_DEBUG_KMS("Integrated TV is not present.\n");
1613 return;
1614 }
1615 /* Even if we have an encoder we may not have a connector */
1616 if (!dev_priv->int_tv_support)
1617 return;
1618
1619 /*
1620 * Sanity check the TV output by checking to see if the
1621 * DAC register holds a value
1622 */
1623 save_tv_dac = I915_READ(TV_DAC);
1624
1625 I915_WRITE(TV_DAC, save_tv_dac | TVDAC_STATE_CHG_EN);
1626 tv_dac_on = I915_READ(TV_DAC);
1627
1628 I915_WRITE(TV_DAC, save_tv_dac & ~TVDAC_STATE_CHG_EN);
1629 tv_dac_off = I915_READ(TV_DAC);
1630
1631 I915_WRITE(TV_DAC, save_tv_dac);
1632
1633 /*
1634 * If the register does not hold the state change enable
1635 * bit, (either as a 0 or a 1), assume it doesn't really
1636 * exist
1637 */
1638 if ((tv_dac_on & TVDAC_STATE_CHG_EN) == 0 ||
1639 (tv_dac_off & TVDAC_STATE_CHG_EN) != 0)
1640 return;
1641
1642 intel_tv = kzalloc(sizeof(struct intel_tv), GFP_KERNEL);
1643 if (!intel_tv) {
1644 return;
1645 }
1646
1647 intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
1648 if (!intel_connector) {
1649 kfree(intel_tv);
1650 return;
1651 }
1652
1653 intel_encoder = &intel_tv->base;
1654 connector = &intel_connector->base;
1655
1656 drm_connector_init(dev, connector, &intel_tv_connector_funcs,
1657 DRM_MODE_CONNECTOR_SVIDEO);
1658
1659 drm_encoder_init(dev, &intel_encoder->base, &intel_tv_enc_funcs,
1660 DRM_MODE_ENCODER_TVDAC);
1661
1662 intel_connector_attach_encoder(intel_connector, intel_encoder);
1663 intel_encoder->type = INTEL_OUTPUT_TVOUT;
1664 intel_encoder->crtc_mask = (1 << 0) | (1 << 1);
1665 intel_encoder->clone_mask = (1 << INTEL_TV_CLONE_BIT);
1666 intel_encoder->base.possible_crtcs = ((1 << 0) | (1 << 1));
1667 intel_encoder->base.possible_clones = (1 << INTEL_OUTPUT_TVOUT);
1668 intel_tv->type = DRM_MODE_CONNECTOR_Unknown;
1669
1670 /* BIOS margin values */
1671 intel_tv->margin[TV_MARGIN_LEFT] = 54;
1672 intel_tv->margin[TV_MARGIN_TOP] = 36;
1673 intel_tv->margin[TV_MARGIN_RIGHT] = 46;
1674 intel_tv->margin[TV_MARGIN_BOTTOM] = 37;
1675
1676 intel_tv->tv_format = tv_modes[initial_mode].name;
1677
1678 drm_encoder_helper_add(&intel_encoder->base, &intel_tv_helper_funcs);
1679 drm_connector_helper_add(connector, &intel_tv_connector_helper_funcs);
1680 connector->interlace_allowed = false;
1681 connector->doublescan_allowed = false;
1682
1683 /* Create TV properties then attach current values */
1684 for (i = 0; i < ARRAY_SIZE(tv_modes); i++)
1685 tv_format_names[i] = (char *)tv_modes[i].name;
1686 drm_mode_create_tv_properties(dev,
1687 ARRAY_SIZE(tv_modes),
1688 tv_format_names);
1689
1690 drm_connector_attach_property(connector, dev->mode_config.tv_mode_property,
1691 initial_mode);
1692 drm_connector_attach_property(connector,
1693 dev->mode_config.tv_left_margin_property,
1694 intel_tv->margin[TV_MARGIN_LEFT]);
1695 drm_connector_attach_property(connector,
1696 dev->mode_config.tv_top_margin_property,
1697 intel_tv->margin[TV_MARGIN_TOP]);
1698 drm_connector_attach_property(connector,
1699 dev->mode_config.tv_right_margin_property,
1700 intel_tv->margin[TV_MARGIN_RIGHT]);
1701 drm_connector_attach_property(connector,
1702 dev->mode_config.tv_bottom_margin_property,
1703 intel_tv->margin[TV_MARGIN_BOTTOM]);
1704 drm_sysfs_connector_add(connector);
1705 }
Linux kernel - Deliverables
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