Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...
[linux-2.6.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_priv {
48         int type;
49         char *tv_format;
50         int margin[4];
51         u32 save_TV_H_CTL_1;
52         u32 save_TV_H_CTL_2;
53         u32 save_TV_H_CTL_3;
54         u32 save_TV_V_CTL_1;
55         u32 save_TV_V_CTL_2;
56         u32 save_TV_V_CTL_3;
57         u32 save_TV_V_CTL_4;
58         u32 save_TV_V_CTL_5;
59         u32 save_TV_V_CTL_6;
60         u32 save_TV_V_CTL_7;
61         u32 save_TV_SC_CTL_1, save_TV_SC_CTL_2, save_TV_SC_CTL_3;
62
63         u32 save_TV_CSC_Y;
64         u32 save_TV_CSC_Y2;
65         u32 save_TV_CSC_U;
66         u32 save_TV_CSC_U2;
67         u32 save_TV_CSC_V;
68         u32 save_TV_CSC_V2;
69         u32 save_TV_CLR_KNOBS;
70         u32 save_TV_CLR_LEVEL;
71         u32 save_TV_WIN_POS;
72         u32 save_TV_WIN_SIZE;
73         u32 save_TV_FILTER_CTL_1;
74         u32 save_TV_FILTER_CTL_2;
75         u32 save_TV_FILTER_CTL_3;
76
77         u32 save_TV_H_LUMA[60];
78         u32 save_TV_H_CHROMA[60];
79         u32 save_TV_V_LUMA[43];
80         u32 save_TV_V_CHROMA[43];
81
82         u32 save_TV_DAC;
83         u32 save_TV_CTL;
84 };
85
86 struct video_levels {
87         int blank, black, burst;
88 };
89
90 struct color_conversion {
91         u16 ry, gy, by, ay;
92         u16 ru, gu, bu, au;
93         u16 rv, gv, bv, av;
94 };
95
96 static const u32 filter_table[] = {
97         0xB1403000, 0x2E203500, 0x35002E20, 0x3000B140,
98         0x35A0B160, 0x2DC02E80, 0xB1403480, 0xB1603000,
99         0x2EA03640, 0x34002D80, 0x3000B120, 0x36E0B160,
100         0x2D202EF0, 0xB1203380, 0xB1603000, 0x2F303780,
101         0x33002CC0, 0x3000B100, 0x3820B160, 0x2C802F50,
102         0xB10032A0, 0xB1603000, 0x2F9038C0, 0x32202C20,
103         0x3000B0E0, 0x3980B160, 0x2BC02FC0, 0xB0E031C0,
104         0xB1603000, 0x2FF03A20, 0x31602B60, 0xB020B0C0,
105         0x3AE0B160, 0x2B001810, 0xB0C03120, 0xB140B020,
106         0x18283BA0, 0x30C02A80, 0xB020B0A0, 0x3C60B140,
107         0x2A201838, 0xB0A03080, 0xB120B020, 0x18383D20,
108         0x304029C0, 0xB040B080, 0x3DE0B100, 0x29601848,
109         0xB0803000, 0xB100B040, 0x18483EC0, 0xB0402900,
110         0xB040B060, 0x3F80B0C0, 0x28801858, 0xB060B080,
111         0xB0A0B060, 0x18602820, 0xB0A02820, 0x0000B060,
112         0xB1403000, 0x2E203500, 0x35002E20, 0x3000B140,
113         0x35A0B160, 0x2DC02E80, 0xB1403480, 0xB1603000,
114         0x2EA03640, 0x34002D80, 0x3000B120, 0x36E0B160,
115         0x2D202EF0, 0xB1203380, 0xB1603000, 0x2F303780,
116         0x33002CC0, 0x3000B100, 0x3820B160, 0x2C802F50,
117         0xB10032A0, 0xB1603000, 0x2F9038C0, 0x32202C20,
118         0x3000B0E0, 0x3980B160, 0x2BC02FC0, 0xB0E031C0,
119         0xB1603000, 0x2FF03A20, 0x31602B60, 0xB020B0C0,
120         0x3AE0B160, 0x2B001810, 0xB0C03120, 0xB140B020,
121         0x18283BA0, 0x30C02A80, 0xB020B0A0, 0x3C60B140,
122         0x2A201838, 0xB0A03080, 0xB120B020, 0x18383D20,
123         0x304029C0, 0xB040B080, 0x3DE0B100, 0x29601848,
124         0xB0803000, 0xB100B040, 0x18483EC0, 0xB0402900,
125         0xB040B060, 0x3F80B0C0, 0x28801858, 0xB060B080,
126         0xB0A0B060, 0x18602820, 0xB0A02820, 0x0000B060,
127         0x36403000, 0x2D002CC0, 0x30003640, 0x2D0036C0,
128         0x35C02CC0, 0x37403000, 0x2C802D40, 0x30003540,
129         0x2D8037C0, 0x34C02C40, 0x38403000, 0x2BC02E00,
130         0x30003440, 0x2E2038C0, 0x34002B80, 0x39803000,
131         0x2B402E40, 0x30003380, 0x2E603A00, 0x33402B00,
132         0x3A803040, 0x2A802EA0, 0x30403300, 0x2EC03B40,
133         0x32802A40, 0x3C003040, 0x2A002EC0, 0x30803240,
134         0x2EC03C80, 0x320029C0, 0x3D403080, 0x29402F00,
135         0x308031C0, 0x2F203DC0, 0x31802900, 0x3E8030C0,
136         0x28802F40, 0x30C03140, 0x2F203F40, 0x31402840,
137         0x28003100, 0x28002F00, 0x00003100, 0x36403000,
138         0x2D002CC0, 0x30003640, 0x2D0036C0,
139         0x35C02CC0, 0x37403000, 0x2C802D40, 0x30003540,
140         0x2D8037C0, 0x34C02C40, 0x38403000, 0x2BC02E00,
141         0x30003440, 0x2E2038C0, 0x34002B80, 0x39803000,
142         0x2B402E40, 0x30003380, 0x2E603A00, 0x33402B00,
143         0x3A803040, 0x2A802EA0, 0x30403300, 0x2EC03B40,
144         0x32802A40, 0x3C003040, 0x2A002EC0, 0x30803240,
145         0x2EC03C80, 0x320029C0, 0x3D403080, 0x29402F00,
146         0x308031C0, 0x2F203DC0, 0x31802900, 0x3E8030C0,
147         0x28802F40, 0x30C03140, 0x2F203F40, 0x31402840,
148         0x28003100, 0x28002F00, 0x00003100,
149 };
150
151 /*
152  * Color conversion values have 3 separate fixed point formats:
153  *
154  * 10 bit fields (ay, au)
155  *   1.9 fixed point (b.bbbbbbbbb)
156  * 11 bit fields (ry, by, ru, gu, gv)
157  *   exp.mantissa (ee.mmmmmmmmm)
158  *   ee = 00 = 10^-1 (0.mmmmmmmmm)
159  *   ee = 01 = 10^-2 (0.0mmmmmmmmm)
160  *   ee = 10 = 10^-3 (0.00mmmmmmmmm)
161  *   ee = 11 = 10^-4 (0.000mmmmmmmmm)
162  * 12 bit fields (gy, rv, bu)
163  *   exp.mantissa (eee.mmmmmmmmm)
164  *   eee = 000 = 10^-1 (0.mmmmmmmmm)
165  *   eee = 001 = 10^-2 (0.0mmmmmmmmm)
166  *   eee = 010 = 10^-3 (0.00mmmmmmmmm)
167  *   eee = 011 = 10^-4 (0.000mmmmmmmmm)
168  *   eee = 100 = reserved
169  *   eee = 101 = reserved
170  *   eee = 110 = reserved
171  *   eee = 111 = 10^0 (m.mmmmmmmm) (only usable for 1.0 representation)
172  *
173  * Saturation and contrast are 8 bits, with their own representation:
174  * 8 bit field (saturation, contrast)
175  *   exp.mantissa (ee.mmmmmm)
176  *   ee = 00 = 10^-1 (0.mmmmmm)
177  *   ee = 01 = 10^0 (m.mmmmm)
178  *   ee = 10 = 10^1 (mm.mmmm)
179  *   ee = 11 = 10^2 (mmm.mmm)
180  *
181  * Simple conversion function:
182  *
183  * static u32
184  * float_to_csc_11(float f)
185  * {
186  *     u32 exp;
187  *     u32 mant;
188  *     u32 ret;
189  *
190  *     if (f < 0)
191  *         f = -f;
192  *
193  *     if (f >= 1) {
194  *         exp = 0x7;
195  *         mant = 1 << 8;
196  *     } else {
197  *         for (exp = 0; exp < 3 && f < 0.5; exp++)
198  *             f *= 2.0;
199  *         mant = (f * (1 << 9) + 0.5);
200  *         if (mant >= (1 << 9))
201  *             mant = (1 << 9) - 1;
202  *     }
203  *     ret = (exp << 9) | mant;
204  *     return ret;
205  * }
206  */
207
208 /*
209  * Behold, magic numbers!  If we plant them they might grow a big
210  * s-video cable to the sky... or something.
211  *
212  * Pre-converted to appropriate hex value.
213  */
214
215 /*
216  * PAL & NTSC values for composite & s-video connections
217  */
218 static const struct color_conversion ntsc_m_csc_composite = {
219         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0104,
220         .ru = 0x0733, .gu = 0x052d, .bu = 0x05c7, .au = 0x0200,
221         .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0200,
222 };
223
224 static const struct video_levels ntsc_m_levels_composite = {
225         .blank = 225, .black = 267, .burst = 113,
226 };
227
228 static const struct color_conversion ntsc_m_csc_svideo = {
229         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0133,
230         .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0200,
231         .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0200,
232 };
233
234 static const struct video_levels ntsc_m_levels_svideo = {
235         .blank = 266, .black = 316, .burst = 133,
236 };
237
238 static const struct color_conversion ntsc_j_csc_composite = {
239         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0119,
240         .ru = 0x074c, .gu = 0x0546, .bu = 0x05ec, .au = 0x0200,
241         .rv = 0x035a, .gv = 0x0322, .bv = 0x06e1, .av = 0x0200,
242 };
243
244 static const struct video_levels ntsc_j_levels_composite = {
245         .blank = 225, .black = 225, .burst = 113,
246 };
247
248 static const struct color_conversion ntsc_j_csc_svideo = {
249         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x014c,
250         .ru = 0x0788, .gu = 0x0581, .bu = 0x0322, .au = 0x0200,
251         .rv = 0x0399, .gv = 0x0356, .bv = 0x070a, .av = 0x0200,
252 };
253
254 static const struct video_levels ntsc_j_levels_svideo = {
255         .blank = 266, .black = 266, .burst = 133,
256 };
257
258 static const struct color_conversion pal_csc_composite = {
259         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0113,
260         .ru = 0x0745, .gu = 0x053f, .bu = 0x05e1, .au = 0x0200,
261         .rv = 0x0353, .gv = 0x031c, .bv = 0x06dc, .av = 0x0200,
262 };
263
264 static const struct video_levels pal_levels_composite = {
265         .blank = 237, .black = 237, .burst = 118,
266 };
267
268 static const struct color_conversion pal_csc_svideo = {
269         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0145,
270         .ru = 0x0780, .gu = 0x0579, .bu = 0x031c, .au = 0x0200,
271         .rv = 0x0390, .gv = 0x034f, .bv = 0x0705, .av = 0x0200,
272 };
273
274 static const struct video_levels pal_levels_svideo = {
275         .blank = 280, .black = 280, .burst = 139,
276 };
277
278 static const struct color_conversion pal_m_csc_composite = {
279         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0104,
280         .ru = 0x0733, .gu = 0x052d, .bu = 0x05c7, .au = 0x0200,
281         .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0200,
282 };
283
284 static const struct video_levels pal_m_levels_composite = {
285         .blank = 225, .black = 267, .burst = 113,
286 };
287
288 static const struct color_conversion pal_m_csc_svideo = {
289         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0133,
290         .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0200,
291         .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0200,
292 };
293
294 static const struct video_levels pal_m_levels_svideo = {
295         .blank = 266, .black = 316, .burst = 133,
296 };
297
298 static const struct color_conversion pal_n_csc_composite = {
299         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0104,
300         .ru = 0x0733, .gu = 0x052d, .bu = 0x05c7, .au = 0x0200,
301         .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0200,
302 };
303
304 static const struct video_levels pal_n_levels_composite = {
305         .blank = 225, .black = 267, .burst = 118,
306 };
307
308 static const struct color_conversion pal_n_csc_svideo = {
309         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0133,
310         .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0200,
311         .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0200,
312 };
313
314 static const struct video_levels pal_n_levels_svideo = {
315         .blank = 266, .black = 316, .burst = 139,
316 };
317
318 /*
319  * Component connections
320  */
321 static const struct color_conversion sdtv_csc_yprpb = {
322         .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0145,
323         .ru = 0x0559, .gu = 0x0353, .bu = 0x0100, .au = 0x0200,
324         .rv = 0x0100, .gv = 0x03ad, .bv = 0x074d, .av = 0x0200,
325 };
326
327 static const struct color_conversion sdtv_csc_rgb = {
328         .ry = 0x0000, .gy = 0x0f00, .by = 0x0000, .ay = 0x0166,
329         .ru = 0x0000, .gu = 0x0000, .bu = 0x0f00, .au = 0x0166,
330         .rv = 0x0f00, .gv = 0x0000, .bv = 0x0000, .av = 0x0166,
331 };
332
333 static const struct color_conversion hdtv_csc_yprpb = {
334         .ry = 0x05b3, .gy = 0x016e, .by = 0x0728, .ay = 0x0145,
335         .ru = 0x07d5, .gu = 0x038b, .bu = 0x0100, .au = 0x0200,
336         .rv = 0x0100, .gv = 0x03d1, .bv = 0x06bc, .av = 0x0200,
337 };
338
339 static const struct color_conversion hdtv_csc_rgb = {
340         .ry = 0x0000, .gy = 0x0f00, .by = 0x0000, .ay = 0x0166,
341         .ru = 0x0000, .gu = 0x0000, .bu = 0x0f00, .au = 0x0166,
342         .rv = 0x0f00, .gv = 0x0000, .bv = 0x0000, .av = 0x0166,
343 };
344
345 static const struct video_levels component_levels = {
346         .blank = 279, .black = 279, .burst = 0,
347 };
348
349
350 struct tv_mode {
351         char *name;
352         int clock;
353         int refresh; /* in millihertz (for precision) */
354         u32 oversample;
355         int hsync_end, hblank_start, hblank_end, htotal;
356         bool progressive, trilevel_sync, component_only;
357         int vsync_start_f1, vsync_start_f2, vsync_len;
358         bool veq_ena;
359         int veq_start_f1, veq_start_f2, veq_len;
360         int vi_end_f1, vi_end_f2, nbr_end;
361         bool burst_ena;
362         int hburst_start, hburst_len;
363         int vburst_start_f1, vburst_end_f1;
364         int vburst_start_f2, vburst_end_f2;
365         int vburst_start_f3, vburst_end_f3;
366         int vburst_start_f4, vburst_end_f4;
367         /*
368          * subcarrier programming
369          */
370         int dda2_size, dda3_size, dda1_inc, dda2_inc, dda3_inc;
371         u32 sc_reset;
372         bool pal_burst;
373         /*
374          * blank/black levels
375          */
376         const struct video_levels *composite_levels, *svideo_levels;
377         const struct color_conversion *composite_color, *svideo_color;
378         const u32 *filter_table;
379         int max_srcw;
380 };
381
382
383 /*
384  * Sub carrier DDA
385  *
386  *  I think this works as follows:
387  *
388  *  subcarrier freq = pixel_clock * (dda1_inc + dda2_inc / dda2_size) / 4096
389  *
390  * Presumably, when dda3 is added in, it gets to adjust the dda2_inc value
391  *
392  * So,
393  *  dda1_ideal = subcarrier/pixel * 4096
394  *  dda1_inc = floor (dda1_ideal)
395  *  dda2 = dda1_ideal - dda1_inc
396  *
397  *  then pick a ratio for dda2 that gives the closest approximation. If
398  *  you can't get close enough, you can play with dda3 as well. This
399  *  seems likely to happen when dda2 is small as the jumps would be larger
400  *
401  * To invert this,
402  *
403  *  pixel_clock = subcarrier * 4096 / (dda1_inc + dda2_inc / dda2_size)
404  *
405  * The constants below were all computed using a 107.520MHz clock
406  */
407
408 /**
409  * Register programming values for TV modes.
410  *
411  * These values account for -1s required.
412  */
413
414 static const struct tv_mode tv_modes[] = {
415         {
416                 .name           = "NTSC-M",
417                 .clock          = 108000,
418                 .refresh        = 29970,
419                 .oversample     = TV_OVERSAMPLE_8X,
420                 .component_only = 0,
421                 /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */
422
423                 .hsync_end      = 64,               .hblank_end         = 124,
424                 .hblank_start   = 836,              .htotal             = 857,
425
426                 .progressive    = false,            .trilevel_sync = false,
427
428                 .vsync_start_f1 = 6,                .vsync_start_f2     = 7,
429                 .vsync_len      = 6,
430
431                 .veq_ena        = true,             .veq_start_f1       = 0,
432                 .veq_start_f2   = 1,                .veq_len            = 18,
433
434                 .vi_end_f1      = 20,               .vi_end_f2          = 21,
435                 .nbr_end        = 240,
436
437                 .burst_ena      = true,
438                 .hburst_start   = 72,               .hburst_len         = 34,
439                 .vburst_start_f1 = 9,               .vburst_end_f1      = 240,
440                 .vburst_start_f2 = 10,              .vburst_end_f2      = 240,
441                 .vburst_start_f3 = 9,               .vburst_end_f3      = 240,
442                 .vburst_start_f4 = 10,              .vburst_end_f4      = 240,
443
444                 /* desired 3.5800000 actual 3.5800000 clock 107.52 */
445                 .dda1_inc       =    135,
446                 .dda2_inc       =  20800,           .dda2_size          =  27456,
447                 .dda3_inc       =      0,           .dda3_size          =      0,
448                 .sc_reset       = TV_SC_RESET_EVERY_4,
449                 .pal_burst      = false,
450
451                 .composite_levels = &ntsc_m_levels_composite,
452                 .composite_color = &ntsc_m_csc_composite,
453                 .svideo_levels  = &ntsc_m_levels_svideo,
454                 .svideo_color = &ntsc_m_csc_svideo,
455
456                 .filter_table = filter_table,
457         },
458         {
459                 .name           = "NTSC-443",
460                 .clock          = 108000,
461                 .refresh        = 29970,
462                 .oversample     = TV_OVERSAMPLE_8X,
463                 .component_only = 0,
464                 /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 4.43MHz */
465                 .hsync_end      = 64,               .hblank_end         = 124,
466                 .hblank_start   = 836,              .htotal             = 857,
467
468                 .progressive    = false,            .trilevel_sync = false,
469
470                 .vsync_start_f1 = 6,                .vsync_start_f2     = 7,
471                 .vsync_len      = 6,
472
473                 .veq_ena        = true,             .veq_start_f1       = 0,
474                 .veq_start_f2   = 1,                .veq_len            = 18,
475
476                 .vi_end_f1      = 20,               .vi_end_f2          = 21,
477                 .nbr_end        = 240,
478
479                 .burst_ena      = 8,
480                 .hburst_start   = 72,               .hburst_len         = 34,
481                 .vburst_start_f1 = 9,               .vburst_end_f1      = 240,
482                 .vburst_start_f2 = 10,              .vburst_end_f2      = 240,
483                 .vburst_start_f3 = 9,               .vburst_end_f3      = 240,
484                 .vburst_start_f4 = 10,              .vburst_end_f4      = 240,
485
486                 /* desired 4.4336180 actual 4.4336180 clock 107.52 */
487                 .dda1_inc       =    168,
488                 .dda2_inc       =   4093,       .dda2_size      =  27456,
489                 .dda3_inc       =    310,       .dda3_size      =    525,
490                 .sc_reset   = TV_SC_RESET_NEVER,
491                 .pal_burst  = false,
492
493                 .composite_levels = &ntsc_m_levels_composite,
494                 .composite_color = &ntsc_m_csc_composite,
495                 .svideo_levels  = &ntsc_m_levels_svideo,
496                 .svideo_color = &ntsc_m_csc_svideo,
497
498                 .filter_table = filter_table,
499         },
500         {
501                 .name           = "NTSC-J",
502                 .clock          = 108000,
503                 .refresh        = 29970,
504                 .oversample     = TV_OVERSAMPLE_8X,
505                 .component_only = 0,
506
507                 /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */
508                 .hsync_end      = 64,               .hblank_end         = 124,
509                 .hblank_start = 836,        .htotal             = 857,
510
511                 .progressive    = false,    .trilevel_sync = false,
512
513                 .vsync_start_f1 = 6,        .vsync_start_f2     = 7,
514                 .vsync_len      = 6,
515
516                 .veq_ena        = true,             .veq_start_f1       = 0,
517                 .veq_start_f2 = 1,          .veq_len            = 18,
518
519                 .vi_end_f1      = 20,               .vi_end_f2          = 21,
520                 .nbr_end        = 240,
521
522                 .burst_ena      = true,
523                 .hburst_start   = 72,               .hburst_len         = 34,
524                 .vburst_start_f1 = 9,               .vburst_end_f1      = 240,
525                 .vburst_start_f2 = 10,              .vburst_end_f2      = 240,
526                 .vburst_start_f3 = 9,               .vburst_end_f3      = 240,
527                 .vburst_start_f4 = 10,              .vburst_end_f4      = 240,
528
529                 /* desired 3.5800000 actual 3.5800000 clock 107.52 */
530                 .dda1_inc       =    135,
531                 .dda2_inc       =  20800,           .dda2_size          =  27456,
532                 .dda3_inc       =      0,           .dda3_size          =      0,
533                 .sc_reset       = TV_SC_RESET_EVERY_4,
534                 .pal_burst      = false,
535
536                 .composite_levels = &ntsc_j_levels_composite,
537                 .composite_color = &ntsc_j_csc_composite,
538                 .svideo_levels  = &ntsc_j_levels_svideo,
539                 .svideo_color = &ntsc_j_csc_svideo,
540
541                 .filter_table = filter_table,
542         },
543         {
544                 .name           = "PAL-M",
545                 .clock          = 108000,
546                 .refresh        = 29970,
547                 .oversample     = TV_OVERSAMPLE_8X,
548                 .component_only = 0,
549
550                 /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */
551                 .hsync_end      = 64,             .hblank_end           = 124,
552                 .hblank_start = 836,      .htotal               = 857,
553
554                 .progressive    = false,            .trilevel_sync = false,
555
556                 .vsync_start_f1 = 6,                .vsync_start_f2     = 7,
557                 .vsync_len      = 6,
558
559                 .veq_ena        = true,             .veq_start_f1       = 0,
560                 .veq_start_f2   = 1,                .veq_len            = 18,
561
562                 .vi_end_f1      = 20,               .vi_end_f2          = 21,
563                 .nbr_end        = 240,
564
565                 .burst_ena      = true,
566                 .hburst_start   = 72,               .hburst_len         = 34,
567                 .vburst_start_f1 = 9,               .vburst_end_f1      = 240,
568                 .vburst_start_f2 = 10,              .vburst_end_f2      = 240,
569                 .vburst_start_f3 = 9,               .vburst_end_f3      = 240,
570                 .vburst_start_f4 = 10,              .vburst_end_f4      = 240,
571
572                 /* desired 3.5800000 actual 3.5800000 clock 107.52 */
573                 .dda1_inc       =    135,
574                 .dda2_inc       =  16704,           .dda2_size          =  27456,
575                 .dda3_inc       =      0,           .dda3_size          =      0,
576                 .sc_reset       = TV_SC_RESET_EVERY_8,
577                 .pal_burst  = true,
578
579                 .composite_levels = &pal_m_levels_composite,
580                 .composite_color = &pal_m_csc_composite,
581                 .svideo_levels  = &pal_m_levels_svideo,
582                 .svideo_color = &pal_m_csc_svideo,
583
584                 .filter_table = filter_table,
585         },
586         {
587                 /* 625 Lines, 50 Fields, 15.625KHz line, Sub-Carrier 4.434MHz */
588                 .name       = "PAL-N",
589                 .clock          = 108000,
590                 .refresh        = 25000,
591                 .oversample     = TV_OVERSAMPLE_8X,
592                 .component_only = 0,
593
594                 .hsync_end      = 64,               .hblank_end         = 128,
595                 .hblank_start = 844,        .htotal             = 863,
596
597                 .progressive  = false,    .trilevel_sync = false,
598
599
600                 .vsync_start_f1 = 6,       .vsync_start_f2      = 7,
601                 .vsync_len      = 6,
602
603                 .veq_ena        = true,             .veq_start_f1       = 0,
604                 .veq_start_f2   = 1,                .veq_len            = 18,
605
606                 .vi_end_f1      = 24,               .vi_end_f2          = 25,
607                 .nbr_end        = 286,
608
609                 .burst_ena      = true,
610                 .hburst_start = 73,                 .hburst_len         = 34,
611                 .vburst_start_f1 = 8,       .vburst_end_f1      = 285,
612                 .vburst_start_f2 = 8,       .vburst_end_f2      = 286,
613                 .vburst_start_f3 = 9,       .vburst_end_f3      = 286,
614                 .vburst_start_f4 = 9,       .vburst_end_f4      = 285,
615
616
617                 /* desired 4.4336180 actual 4.4336180 clock 107.52 */
618                 .dda1_inc       =    135,
619                 .dda2_inc       =  23578,       .dda2_size      =  27648,
620                 .dda3_inc       =    134,       .dda3_size      =    625,
621                 .sc_reset   = TV_SC_RESET_EVERY_8,
622                 .pal_burst  = true,
623
624                 .composite_levels = &pal_n_levels_composite,
625                 .composite_color = &pal_n_csc_composite,
626                 .svideo_levels  = &pal_n_levels_svideo,
627                 .svideo_color = &pal_n_csc_svideo,
628
629                 .filter_table = filter_table,
630         },
631         {
632                 /* 625 Lines, 50 Fields, 15.625KHz line, Sub-Carrier 4.434MHz */
633                 .name       = "PAL",
634                 .clock          = 108000,
635                 .refresh        = 25000,
636                 .oversample     = TV_OVERSAMPLE_8X,
637                 .component_only = 0,
638
639                 .hsync_end      = 64,               .hblank_end         = 142,
640                 .hblank_start   = 844,      .htotal             = 863,
641
642                 .progressive    = false,    .trilevel_sync = false,
643
644                 .vsync_start_f1 = 5,        .vsync_start_f2     = 6,
645                 .vsync_len      = 5,
646
647                 .veq_ena        = true,             .veq_start_f1       = 0,
648                 .veq_start_f2   = 1,        .veq_len            = 15,
649
650                 .vi_end_f1      = 24,               .vi_end_f2          = 25,
651                 .nbr_end        = 286,
652
653                 .burst_ena      = true,
654                 .hburst_start   = 73,               .hburst_len         = 32,
655                 .vburst_start_f1 = 8,               .vburst_end_f1      = 285,
656                 .vburst_start_f2 = 8,               .vburst_end_f2      = 286,
657                 .vburst_start_f3 = 9,               .vburst_end_f3      = 286,
658                 .vburst_start_f4 = 9,               .vburst_end_f4      = 285,
659
660                 /* desired 4.4336180 actual 4.4336180 clock 107.52 */
661                 .dda1_inc       =    168,
662                 .dda2_inc       =   4122,       .dda2_size      =  27648,
663                 .dda3_inc       =     67,       .dda3_size      =    625,
664                 .sc_reset   = TV_SC_RESET_EVERY_8,
665                 .pal_burst  = true,
666
667                 .composite_levels = &pal_levels_composite,
668                 .composite_color = &pal_csc_composite,
669                 .svideo_levels  = &pal_levels_svideo,
670                 .svideo_color = &pal_csc_svideo,
671
672                 .filter_table = filter_table,
673         },
674         {
675                 .name       = "480p@59.94Hz",
676                 .clock  = 107520,
677                 .refresh        = 59940,
678                 .oversample     = TV_OVERSAMPLE_4X,
679                 .component_only = 1,
680
681                 .hsync_end      = 64,               .hblank_end         = 122,
682                 .hblank_start   = 842,              .htotal             = 857,
683
684                 .progressive    = true,.trilevel_sync = false,
685
686                 .vsync_start_f1 = 12,               .vsync_start_f2     = 12,
687                 .vsync_len      = 12,
688
689                 .veq_ena        = false,
690
691                 .vi_end_f1      = 44,               .vi_end_f2          = 44,
692                 .nbr_end        = 479,
693
694                 .burst_ena      = false,
695
696                 .filter_table = filter_table,
697         },
698         {
699                 .name       = "480p@60Hz",
700                 .clock  = 107520,
701                 .refresh        = 60000,
702                 .oversample     = TV_OVERSAMPLE_4X,
703                 .component_only = 1,
704
705                 .hsync_end      = 64,               .hblank_end         = 122,
706                 .hblank_start   = 842,              .htotal             = 856,
707
708                 .progressive    = true,.trilevel_sync = false,
709
710                 .vsync_start_f1 = 12,               .vsync_start_f2     = 12,
711                 .vsync_len      = 12,
712
713                 .veq_ena        = false,
714
715                 .vi_end_f1      = 44,               .vi_end_f2          = 44,
716                 .nbr_end        = 479,
717
718                 .burst_ena      = false,
719
720                 .filter_table = filter_table,
721         },
722         {
723                 .name       = "576p",
724                 .clock  = 107520,
725                 .refresh        = 50000,
726                 .oversample     = TV_OVERSAMPLE_4X,
727                 .component_only = 1,
728
729                 .hsync_end      = 64,               .hblank_end         = 139,
730                 .hblank_start   = 859,              .htotal             = 863,
731
732                 .progressive    = true,         .trilevel_sync = false,
733
734                 .vsync_start_f1 = 10,               .vsync_start_f2     = 10,
735                 .vsync_len      = 10,
736
737                 .veq_ena        = false,
738
739                 .vi_end_f1      = 48,               .vi_end_f2          = 48,
740                 .nbr_end        = 575,
741
742                 .burst_ena      = false,
743
744                 .filter_table = filter_table,
745         },
746         {
747                 .name       = "720p@60Hz",
748                 .clock          = 148800,
749                 .refresh        = 60000,
750                 .oversample     = TV_OVERSAMPLE_2X,
751                 .component_only = 1,
752
753                 .hsync_end      = 80,               .hblank_end         = 300,
754                 .hblank_start   = 1580,             .htotal             = 1649,
755
756                 .progressive    = true,             .trilevel_sync = true,
757
758                 .vsync_start_f1 = 10,               .vsync_start_f2     = 10,
759                 .vsync_len      = 10,
760
761                 .veq_ena        = false,
762
763                 .vi_end_f1      = 29,               .vi_end_f2          = 29,
764                 .nbr_end        = 719,
765
766                 .burst_ena      = false,
767
768                 .filter_table = filter_table,
769         },
770         {
771                 .name       = "720p@59.94Hz",
772                 .clock          = 148800,
773                 .refresh        = 59940,
774                 .oversample     = TV_OVERSAMPLE_2X,
775                 .component_only = 1,
776
777                 .hsync_end      = 80,               .hblank_end         = 300,
778                 .hblank_start   = 1580,             .htotal             = 1651,
779
780                 .progressive    = true,             .trilevel_sync = true,
781
782                 .vsync_start_f1 = 10,               .vsync_start_f2     = 10,
783                 .vsync_len      = 10,
784
785                 .veq_ena        = false,
786
787                 .vi_end_f1      = 29,               .vi_end_f2          = 29,
788                 .nbr_end        = 719,
789
790                 .burst_ena      = false,
791
792                 .filter_table = filter_table,
793         },
794         {
795                 .name       = "720p@50Hz",
796                 .clock          = 148800,
797                 .refresh        = 50000,
798                 .oversample     = TV_OVERSAMPLE_2X,
799                 .component_only = 1,
800
801                 .hsync_end      = 80,               .hblank_end         = 300,
802                 .hblank_start   = 1580,             .htotal             = 1979,
803
804                 .progressive    = true,                 .trilevel_sync = true,
805
806                 .vsync_start_f1 = 10,               .vsync_start_f2     = 10,
807                 .vsync_len      = 10,
808
809                 .veq_ena        = false,
810
811                 .vi_end_f1      = 29,               .vi_end_f2          = 29,
812                 .nbr_end        = 719,
813
814                 .burst_ena      = false,
815
816                 .filter_table = filter_table,
817                 .max_srcw = 800
818         },
819         {
820                 .name       = "1080i@50Hz",
821                 .clock          = 148800,
822                 .refresh        = 25000,
823                 .oversample     = TV_OVERSAMPLE_2X,
824                 .component_only = 1,
825
826                 .hsync_end      = 88,               .hblank_end         = 235,
827                 .hblank_start   = 2155,             .htotal             = 2639,
828
829                 .progressive    = false,            .trilevel_sync = true,
830
831                 .vsync_start_f1 = 4,              .vsync_start_f2     = 5,
832                 .vsync_len      = 10,
833
834                 .veq_ena        = true,             .veq_start_f1       = 4,
835                 .veq_start_f2   = 4,        .veq_len            = 10,
836
837
838                 .vi_end_f1      = 21,           .vi_end_f2          = 22,
839                 .nbr_end        = 539,
840
841                 .burst_ena      = false,
842
843                 .filter_table = filter_table,
844         },
845         {
846                 .name       = "1080i@60Hz",
847                 .clock          = 148800,
848                 .refresh        = 30000,
849                 .oversample     = TV_OVERSAMPLE_2X,
850                 .component_only = 1,
851
852                 .hsync_end      = 88,               .hblank_end         = 235,
853                 .hblank_start   = 2155,             .htotal             = 2199,
854
855                 .progressive    = false,            .trilevel_sync = true,
856
857                 .vsync_start_f1 = 4,               .vsync_start_f2     = 5,
858                 .vsync_len      = 10,
859
860                 .veq_ena        = true,             .veq_start_f1       = 4,
861                 .veq_start_f2   = 4,                .veq_len            = 10,
862
863
864                 .vi_end_f1      = 21,               .vi_end_f2          = 22,
865                 .nbr_end        = 539,
866
867                 .burst_ena      = false,
868
869                 .filter_table = filter_table,
870         },
871         {
872                 .name       = "1080i@59.94Hz",
873                 .clock          = 148800,
874                 .refresh        = 29970,
875                 .oversample     = TV_OVERSAMPLE_2X,
876                 .component_only = 1,
877
878                 .hsync_end      = 88,               .hblank_end         = 235,
879                 .hblank_start   = 2155,             .htotal             = 2201,
880
881                 .progressive    = false,            .trilevel_sync = true,
882
883                 .vsync_start_f1 = 4,            .vsync_start_f2    = 5,
884                 .vsync_len      = 10,
885
886                 .veq_ena        = true,             .veq_start_f1       = 4,
887                 .veq_start_f2 = 4,                  .veq_len = 10,
888
889
890                 .vi_end_f1      = 21,           .vi_end_f2              = 22,
891                 .nbr_end        = 539,
892
893                 .burst_ena      = false,
894
895                 .filter_table = filter_table,
896         },
897 };
898
899 #define NUM_TV_MODES sizeof(tv_modes) / sizeof (tv_modes[0])
900
901 static void
902 intel_tv_dpms(struct drm_encoder *encoder, int mode)
903 {
904         struct drm_device *dev = encoder->dev;
905         struct drm_i915_private *dev_priv = dev->dev_private;
906
907         switch(mode) {
908         case DRM_MODE_DPMS_ON:
909                 I915_WRITE(TV_CTL, I915_READ(TV_CTL) | TV_ENC_ENABLE);
910                 break;
911         case DRM_MODE_DPMS_STANDBY:
912         case DRM_MODE_DPMS_SUSPEND:
913         case DRM_MODE_DPMS_OFF:
914                 I915_WRITE(TV_CTL, I915_READ(TV_CTL) & ~TV_ENC_ENABLE);
915                 break;
916         }
917 }
918
919 static void
920 intel_tv_save(struct drm_connector *connector)
921 {
922         struct drm_device *dev = connector->dev;
923         struct drm_i915_private *dev_priv = dev->dev_private;
924         struct intel_output *intel_output = to_intel_output(connector);
925         struct intel_tv_priv *tv_priv = intel_output->dev_priv;
926         int i;
927
928         tv_priv->save_TV_H_CTL_1 = I915_READ(TV_H_CTL_1);
929         tv_priv->save_TV_H_CTL_2 = I915_READ(TV_H_CTL_2);
930         tv_priv->save_TV_H_CTL_3 = I915_READ(TV_H_CTL_3);
931         tv_priv->save_TV_V_CTL_1 = I915_READ(TV_V_CTL_1);
932         tv_priv->save_TV_V_CTL_2 = I915_READ(TV_V_CTL_2);
933         tv_priv->save_TV_V_CTL_3 = I915_READ(TV_V_CTL_3);
934         tv_priv->save_TV_V_CTL_4 = I915_READ(TV_V_CTL_4);
935         tv_priv->save_TV_V_CTL_5 = I915_READ(TV_V_CTL_5);
936         tv_priv->save_TV_V_CTL_6 = I915_READ(TV_V_CTL_6);
937         tv_priv->save_TV_V_CTL_7 = I915_READ(TV_V_CTL_7);
938         tv_priv->save_TV_SC_CTL_1 = I915_READ(TV_SC_CTL_1);
939         tv_priv->save_TV_SC_CTL_2 = I915_READ(TV_SC_CTL_2);
940         tv_priv->save_TV_SC_CTL_3 = I915_READ(TV_SC_CTL_3);
941
942         tv_priv->save_TV_CSC_Y = I915_READ(TV_CSC_Y);
943         tv_priv->save_TV_CSC_Y2 = I915_READ(TV_CSC_Y2);
944         tv_priv->save_TV_CSC_U = I915_READ(TV_CSC_U);
945         tv_priv->save_TV_CSC_U2 = I915_READ(TV_CSC_U2);
946         tv_priv->save_TV_CSC_V = I915_READ(TV_CSC_V);
947         tv_priv->save_TV_CSC_V2 = I915_READ(TV_CSC_V2);
948         tv_priv->save_TV_CLR_KNOBS = I915_READ(TV_CLR_KNOBS);
949         tv_priv->save_TV_CLR_LEVEL = I915_READ(TV_CLR_LEVEL);
950         tv_priv->save_TV_WIN_POS = I915_READ(TV_WIN_POS);
951         tv_priv->save_TV_WIN_SIZE = I915_READ(TV_WIN_SIZE);
952         tv_priv->save_TV_FILTER_CTL_1 = I915_READ(TV_FILTER_CTL_1);
953         tv_priv->save_TV_FILTER_CTL_2 = I915_READ(TV_FILTER_CTL_2);
954         tv_priv->save_TV_FILTER_CTL_3 = I915_READ(TV_FILTER_CTL_3);
955
956         for (i = 0; i < 60; i++)
957                 tv_priv->save_TV_H_LUMA[i] = I915_READ(TV_H_LUMA_0 + (i <<2));
958         for (i = 0; i < 60; i++)
959                 tv_priv->save_TV_H_CHROMA[i] = I915_READ(TV_H_CHROMA_0 + (i <<2));
960         for (i = 0; i < 43; i++)
961                 tv_priv->save_TV_V_LUMA[i] = I915_READ(TV_V_LUMA_0 + (i <<2));
962         for (i = 0; i < 43; i++)
963                 tv_priv->save_TV_V_CHROMA[i] = I915_READ(TV_V_CHROMA_0 + (i <<2));
964
965         tv_priv->save_TV_DAC = I915_READ(TV_DAC);
966         tv_priv->save_TV_CTL = I915_READ(TV_CTL);
967 }
968
969 static void
970 intel_tv_restore(struct drm_connector *connector)
971 {
972         struct drm_device *dev = connector->dev;
973         struct drm_i915_private *dev_priv = dev->dev_private;
974         struct intel_output *intel_output = to_intel_output(connector);
975         struct intel_tv_priv *tv_priv = intel_output->dev_priv;
976         struct drm_crtc *crtc = connector->encoder->crtc;
977         struct intel_crtc *intel_crtc;
978         int i;
979
980         /* FIXME: No CRTC? */
981         if (!crtc)
982                 return;
983
984         intel_crtc = to_intel_crtc(crtc);
985         I915_WRITE(TV_H_CTL_1, tv_priv->save_TV_H_CTL_1);
986         I915_WRITE(TV_H_CTL_2, tv_priv->save_TV_H_CTL_2);
987         I915_WRITE(TV_H_CTL_3, tv_priv->save_TV_H_CTL_3);
988         I915_WRITE(TV_V_CTL_1, tv_priv->save_TV_V_CTL_1);
989         I915_WRITE(TV_V_CTL_2, tv_priv->save_TV_V_CTL_2);
990         I915_WRITE(TV_V_CTL_3, tv_priv->save_TV_V_CTL_3);
991         I915_WRITE(TV_V_CTL_4, tv_priv->save_TV_V_CTL_4);
992         I915_WRITE(TV_V_CTL_5, tv_priv->save_TV_V_CTL_5);
993         I915_WRITE(TV_V_CTL_6, tv_priv->save_TV_V_CTL_6);
994         I915_WRITE(TV_V_CTL_7, tv_priv->save_TV_V_CTL_7);
995         I915_WRITE(TV_SC_CTL_1, tv_priv->save_TV_SC_CTL_1);
996         I915_WRITE(TV_SC_CTL_2, tv_priv->save_TV_SC_CTL_2);
997         I915_WRITE(TV_SC_CTL_3, tv_priv->save_TV_SC_CTL_3);
998
999         I915_WRITE(TV_CSC_Y, tv_priv->save_TV_CSC_Y);
1000         I915_WRITE(TV_CSC_Y2, tv_priv->save_TV_CSC_Y2);
1001         I915_WRITE(TV_CSC_U, tv_priv->save_TV_CSC_U);
1002         I915_WRITE(TV_CSC_U2, tv_priv->save_TV_CSC_U2);
1003         I915_WRITE(TV_CSC_V, tv_priv->save_TV_CSC_V);
1004         I915_WRITE(TV_CSC_V2, tv_priv->save_TV_CSC_V2);
1005         I915_WRITE(TV_CLR_KNOBS, tv_priv->save_TV_CLR_KNOBS);
1006         I915_WRITE(TV_CLR_LEVEL, tv_priv->save_TV_CLR_LEVEL);
1007
1008         {
1009                 int pipeconf_reg = (intel_crtc->pipe == 0) ?
1010                         PIPEACONF : PIPEBCONF;
1011                 int dspcntr_reg = (intel_crtc->plane == 0) ?
1012                         DSPACNTR : DSPBCNTR;
1013                 int pipeconf = I915_READ(pipeconf_reg);
1014                 int dspcntr = I915_READ(dspcntr_reg);
1015                 int dspbase_reg = (intel_crtc->plane == 0) ?
1016                         DSPAADDR : DSPBADDR;
1017                 /* Pipe must be off here */
1018                 I915_WRITE(dspcntr_reg, dspcntr & ~DISPLAY_PLANE_ENABLE);
1019                 /* Flush the plane changes */
1020                 I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
1021
1022                 if (!IS_I9XX(dev)) {
1023                         /* Wait for vblank for the disable to take effect */
1024                         intel_wait_for_vblank(dev);
1025                 }
1026
1027                 I915_WRITE(pipeconf_reg, pipeconf & ~PIPEACONF_ENABLE);
1028                 /* Wait for vblank for the disable to take effect. */
1029                 intel_wait_for_vblank(dev);
1030
1031                 /* Filter ctl must be set before TV_WIN_SIZE */
1032                 I915_WRITE(TV_FILTER_CTL_1, tv_priv->save_TV_FILTER_CTL_1);
1033                 I915_WRITE(TV_FILTER_CTL_2, tv_priv->save_TV_FILTER_CTL_2);
1034                 I915_WRITE(TV_FILTER_CTL_3, tv_priv->save_TV_FILTER_CTL_3);
1035                 I915_WRITE(TV_WIN_POS, tv_priv->save_TV_WIN_POS);
1036                 I915_WRITE(TV_WIN_SIZE, tv_priv->save_TV_WIN_SIZE);
1037                 I915_WRITE(pipeconf_reg, pipeconf);
1038                 I915_WRITE(dspcntr_reg, dspcntr);
1039                 /* Flush the plane changes */
1040                 I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
1041         }
1042
1043         for (i = 0; i < 60; i++)
1044                 I915_WRITE(TV_H_LUMA_0 + (i <<2), tv_priv->save_TV_H_LUMA[i]);
1045         for (i = 0; i < 60; i++)
1046                 I915_WRITE(TV_H_CHROMA_0 + (i <<2), tv_priv->save_TV_H_CHROMA[i]);
1047         for (i = 0; i < 43; i++)
1048                 I915_WRITE(TV_V_LUMA_0 + (i <<2), tv_priv->save_TV_V_LUMA[i]);
1049         for (i = 0; i < 43; i++)
1050                 I915_WRITE(TV_V_CHROMA_0 + (i <<2), tv_priv->save_TV_V_CHROMA[i]);
1051
1052         I915_WRITE(TV_DAC, tv_priv->save_TV_DAC);
1053         I915_WRITE(TV_CTL, tv_priv->save_TV_CTL);
1054 }
1055
1056 static const struct tv_mode *
1057 intel_tv_mode_lookup (char *tv_format)
1058 {
1059         int i;
1060
1061         for (i = 0; i < sizeof(tv_modes) / sizeof (tv_modes[0]); i++) {
1062                 const struct tv_mode *tv_mode = &tv_modes[i];
1063
1064                 if (!strcmp(tv_format, tv_mode->name))
1065                         return tv_mode;
1066         }
1067         return NULL;
1068 }
1069
1070 static const struct tv_mode *
1071 intel_tv_mode_find (struct intel_output *intel_output)
1072 {
1073         struct intel_tv_priv *tv_priv = intel_output->dev_priv;
1074
1075         return intel_tv_mode_lookup(tv_priv->tv_format);
1076 }
1077
1078 static enum drm_mode_status
1079 intel_tv_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode)
1080 {
1081         struct intel_output *intel_output = to_intel_output(connector);
1082         const struct tv_mode *tv_mode = intel_tv_mode_find(intel_output);
1083
1084         /* Ensure TV refresh is close to desired refresh */
1085         if (tv_mode && abs(tv_mode->refresh - drm_mode_vrefresh(mode)) < 10)
1086                 return MODE_OK;
1087         return MODE_CLOCK_RANGE;
1088 }
1089
1090
1091 static bool
1092 intel_tv_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
1093                     struct drm_display_mode *adjusted_mode)
1094 {
1095         struct drm_device *dev = encoder->dev;
1096         struct drm_mode_config *drm_config = &dev->mode_config;
1097         struct intel_output *intel_output = enc_to_intel_output(encoder);
1098         const struct tv_mode *tv_mode = intel_tv_mode_find (intel_output);
1099         struct drm_encoder *other_encoder;
1100
1101         if (!tv_mode)
1102                 return false;
1103
1104         /* FIXME: lock encoder list */
1105         list_for_each_entry(other_encoder, &drm_config->encoder_list, head) {
1106                 if (other_encoder != encoder &&
1107                     other_encoder->crtc == encoder->crtc)
1108                         return false;
1109         }
1110
1111         adjusted_mode->clock = tv_mode->clock;
1112         return true;
1113 }
1114
1115 static void
1116 intel_tv_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
1117                   struct drm_display_mode *adjusted_mode)
1118 {
1119         struct drm_device *dev = encoder->dev;
1120         struct drm_i915_private *dev_priv = dev->dev_private;
1121         struct drm_crtc *crtc = encoder->crtc;
1122         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
1123         struct intel_output *intel_output = enc_to_intel_output(encoder);
1124         struct intel_tv_priv *tv_priv = intel_output->dev_priv;
1125         const struct tv_mode *tv_mode = intel_tv_mode_find(intel_output);
1126         u32 tv_ctl;
1127         u32 hctl1, hctl2, hctl3;
1128         u32 vctl1, vctl2, vctl3, vctl4, vctl5, vctl6, vctl7;
1129         u32 scctl1, scctl2, scctl3;
1130         int i, j;
1131         const struct video_levels *video_levels;
1132         const struct color_conversion *color_conversion;
1133         bool burst_ena;
1134
1135         if (!tv_mode)
1136                 return; /* can't happen (mode_prepare prevents this) */
1137
1138         tv_ctl = I915_READ(TV_CTL);
1139         tv_ctl &= TV_CTL_SAVE;
1140
1141         switch (tv_priv->type) {
1142         default:
1143         case DRM_MODE_CONNECTOR_Unknown:
1144         case DRM_MODE_CONNECTOR_Composite:
1145                 tv_ctl |= TV_ENC_OUTPUT_COMPOSITE;
1146                 video_levels = tv_mode->composite_levels;
1147                 color_conversion = tv_mode->composite_color;
1148                 burst_ena = tv_mode->burst_ena;
1149                 break;
1150         case DRM_MODE_CONNECTOR_Component:
1151                 tv_ctl |= TV_ENC_OUTPUT_COMPONENT;
1152                 video_levels = &component_levels;
1153                 if (tv_mode->burst_ena)
1154                         color_conversion = &sdtv_csc_yprpb;
1155                 else
1156                         color_conversion = &hdtv_csc_yprpb;
1157                 burst_ena = false;
1158                 break;
1159         case DRM_MODE_CONNECTOR_SVIDEO:
1160                 tv_ctl |= TV_ENC_OUTPUT_SVIDEO;
1161                 video_levels = tv_mode->svideo_levels;
1162                 color_conversion = tv_mode->svideo_color;
1163                 burst_ena = tv_mode->burst_ena;
1164                 break;
1165         }
1166         hctl1 = (tv_mode->hsync_end << TV_HSYNC_END_SHIFT) |
1167                 (tv_mode->htotal << TV_HTOTAL_SHIFT);
1168
1169         hctl2 = (tv_mode->hburst_start << 16) |
1170                 (tv_mode->hburst_len << TV_HBURST_LEN_SHIFT);
1171
1172         if (burst_ena)
1173                 hctl2 |= TV_BURST_ENA;
1174
1175         hctl3 = (tv_mode->hblank_start << TV_HBLANK_START_SHIFT) |
1176                 (tv_mode->hblank_end << TV_HBLANK_END_SHIFT);
1177
1178         vctl1 = (tv_mode->nbr_end << TV_NBR_END_SHIFT) |
1179                 (tv_mode->vi_end_f1 << TV_VI_END_F1_SHIFT) |
1180                 (tv_mode->vi_end_f2 << TV_VI_END_F2_SHIFT);
1181
1182         vctl2 = (tv_mode->vsync_len << TV_VSYNC_LEN_SHIFT) |
1183                 (tv_mode->vsync_start_f1 << TV_VSYNC_START_F1_SHIFT) |
1184                 (tv_mode->vsync_start_f2 << TV_VSYNC_START_F2_SHIFT);
1185
1186         vctl3 = (tv_mode->veq_len << TV_VEQ_LEN_SHIFT) |
1187                 (tv_mode->veq_start_f1 << TV_VEQ_START_F1_SHIFT) |
1188                 (tv_mode->veq_start_f2 << TV_VEQ_START_F2_SHIFT);
1189
1190         if (tv_mode->veq_ena)
1191                 vctl3 |= TV_EQUAL_ENA;
1192
1193         vctl4 = (tv_mode->vburst_start_f1 << TV_VBURST_START_F1_SHIFT) |
1194                 (tv_mode->vburst_end_f1 << TV_VBURST_END_F1_SHIFT);
1195
1196         vctl5 = (tv_mode->vburst_start_f2 << TV_VBURST_START_F2_SHIFT) |
1197                 (tv_mode->vburst_end_f2 << TV_VBURST_END_F2_SHIFT);
1198
1199         vctl6 = (tv_mode->vburst_start_f3 << TV_VBURST_START_F3_SHIFT) |
1200                 (tv_mode->vburst_end_f3 << TV_VBURST_END_F3_SHIFT);
1201
1202         vctl7 = (tv_mode->vburst_start_f4 << TV_VBURST_START_F4_SHIFT) |
1203                 (tv_mode->vburst_end_f4 << TV_VBURST_END_F4_SHIFT);
1204
1205         if (intel_crtc->pipe == 1)
1206                 tv_ctl |= TV_ENC_PIPEB_SELECT;
1207         tv_ctl |= tv_mode->oversample;
1208
1209         if (tv_mode->progressive)
1210                 tv_ctl |= TV_PROGRESSIVE;
1211         if (tv_mode->trilevel_sync)
1212                 tv_ctl |= TV_TRILEVEL_SYNC;
1213         if (tv_mode->pal_burst)
1214                 tv_ctl |= TV_PAL_BURST;
1215         scctl1 = 0;
1216         /* dda1 implies valid video levels */
1217         if (tv_mode->dda1_inc) {
1218                 scctl1 |= TV_SC_DDA1_EN;
1219         }
1220
1221         if (tv_mode->dda2_inc)
1222                 scctl1 |= TV_SC_DDA2_EN;
1223
1224         if (tv_mode->dda3_inc)
1225                 scctl1 |= TV_SC_DDA3_EN;
1226
1227         scctl1 |= tv_mode->sc_reset;
1228         scctl1 |= video_levels->burst << TV_BURST_LEVEL_SHIFT;
1229         scctl1 |= tv_mode->dda1_inc << TV_SCDDA1_INC_SHIFT;
1230
1231         scctl2 = tv_mode->dda2_size << TV_SCDDA2_SIZE_SHIFT |
1232                 tv_mode->dda2_inc << TV_SCDDA2_INC_SHIFT;
1233
1234         scctl3 = tv_mode->dda3_size << TV_SCDDA3_SIZE_SHIFT |
1235                 tv_mode->dda3_inc << TV_SCDDA3_INC_SHIFT;
1236
1237         /* Enable two fixes for the chips that need them. */
1238         if (dev->pci_device < 0x2772)
1239                 tv_ctl |= TV_ENC_C0_FIX | TV_ENC_SDP_FIX;
1240
1241         I915_WRITE(TV_H_CTL_1, hctl1);
1242         I915_WRITE(TV_H_CTL_2, hctl2);
1243         I915_WRITE(TV_H_CTL_3, hctl3);
1244         I915_WRITE(TV_V_CTL_1, vctl1);
1245         I915_WRITE(TV_V_CTL_2, vctl2);
1246         I915_WRITE(TV_V_CTL_3, vctl3);
1247         I915_WRITE(TV_V_CTL_4, vctl4);
1248         I915_WRITE(TV_V_CTL_5, vctl5);
1249         I915_WRITE(TV_V_CTL_6, vctl6);
1250         I915_WRITE(TV_V_CTL_7, vctl7);
1251         I915_WRITE(TV_SC_CTL_1, scctl1);
1252         I915_WRITE(TV_SC_CTL_2, scctl2);
1253         I915_WRITE(TV_SC_CTL_3, scctl3);
1254
1255         if (color_conversion) {
1256                 I915_WRITE(TV_CSC_Y, (color_conversion->ry << 16) |
1257                            color_conversion->gy);
1258                 I915_WRITE(TV_CSC_Y2,(color_conversion->by << 16) |
1259                            color_conversion->ay);
1260                 I915_WRITE(TV_CSC_U, (color_conversion->ru << 16) |
1261                            color_conversion->gu);
1262                 I915_WRITE(TV_CSC_U2, (color_conversion->bu << 16) |
1263                            color_conversion->au);
1264                 I915_WRITE(TV_CSC_V, (color_conversion->rv << 16) |
1265                            color_conversion->gv);
1266                 I915_WRITE(TV_CSC_V2, (color_conversion->bv << 16) |
1267                            color_conversion->av);
1268         }
1269
1270         if (IS_I965G(dev))
1271                 I915_WRITE(TV_CLR_KNOBS, 0x00404000);
1272         else
1273                 I915_WRITE(TV_CLR_KNOBS, 0x00606000);
1274
1275         if (video_levels)
1276                 I915_WRITE(TV_CLR_LEVEL,
1277                            ((video_levels->black << TV_BLACK_LEVEL_SHIFT) |
1278                             (video_levels->blank << TV_BLANK_LEVEL_SHIFT)));
1279         {
1280                 int pipeconf_reg = (intel_crtc->pipe == 0) ?
1281                         PIPEACONF : PIPEBCONF;
1282                 int dspcntr_reg = (intel_crtc->plane == 0) ?
1283                         DSPACNTR : DSPBCNTR;
1284                 int pipeconf = I915_READ(pipeconf_reg);
1285                 int dspcntr = I915_READ(dspcntr_reg);
1286                 int dspbase_reg = (intel_crtc->plane == 0) ?
1287                         DSPAADDR : DSPBADDR;
1288                 int xpos = 0x0, ypos = 0x0;
1289                 unsigned int xsize, ysize;
1290                 /* Pipe must be off here */
1291                 I915_WRITE(dspcntr_reg, dspcntr & ~DISPLAY_PLANE_ENABLE);
1292                 /* Flush the plane changes */
1293                 I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
1294
1295                 /* Wait for vblank for the disable to take effect */
1296                 if (!IS_I9XX(dev))
1297                         intel_wait_for_vblank(dev);
1298
1299                 I915_WRITE(pipeconf_reg, pipeconf & ~PIPEACONF_ENABLE);
1300                 /* Wait for vblank for the disable to take effect. */
1301                 intel_wait_for_vblank(dev);
1302
1303                 /* Filter ctl must be set before TV_WIN_SIZE */
1304                 I915_WRITE(TV_FILTER_CTL_1, TV_AUTO_SCALE);
1305                 xsize = tv_mode->hblank_start - tv_mode->hblank_end;
1306                 if (tv_mode->progressive)
1307                         ysize = tv_mode->nbr_end + 1;
1308                 else
1309                         ysize = 2*tv_mode->nbr_end + 1;
1310
1311                 xpos += tv_priv->margin[TV_MARGIN_LEFT];
1312                 ypos += tv_priv->margin[TV_MARGIN_TOP];
1313                 xsize -= (tv_priv->margin[TV_MARGIN_LEFT] +
1314                           tv_priv->margin[TV_MARGIN_RIGHT]);
1315                 ysize -= (tv_priv->margin[TV_MARGIN_TOP] +
1316                           tv_priv->margin[TV_MARGIN_BOTTOM]);
1317                 I915_WRITE(TV_WIN_POS, (xpos<<16)|ypos);
1318                 I915_WRITE(TV_WIN_SIZE, (xsize<<16)|ysize);
1319
1320                 I915_WRITE(pipeconf_reg, pipeconf);
1321                 I915_WRITE(dspcntr_reg, dspcntr);
1322                 /* Flush the plane changes */
1323                 I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
1324         }
1325
1326         j = 0;
1327         for (i = 0; i < 60; i++)
1328                 I915_WRITE(TV_H_LUMA_0 + (i<<2), tv_mode->filter_table[j++]);
1329         for (i = 0; i < 60; i++)
1330                 I915_WRITE(TV_H_CHROMA_0 + (i<<2), tv_mode->filter_table[j++]);
1331         for (i = 0; i < 43; i++)
1332                 I915_WRITE(TV_V_LUMA_0 + (i<<2), tv_mode->filter_table[j++]);
1333         for (i = 0; i < 43; i++)
1334                 I915_WRITE(TV_V_CHROMA_0 + (i<<2), tv_mode->filter_table[j++]);
1335         I915_WRITE(TV_DAC, 0);
1336         I915_WRITE(TV_CTL, tv_ctl);
1337 }
1338
1339 static const struct drm_display_mode reported_modes[] = {
1340         {
1341                 .name = "NTSC 480i",
1342                 .clock = 107520,
1343                 .hdisplay = 1280,
1344                 .hsync_start = 1368,
1345                 .hsync_end = 1496,
1346                 .htotal = 1712,
1347
1348                 .vdisplay = 1024,
1349                 .vsync_start = 1027,
1350                 .vsync_end = 1034,
1351                 .vtotal = 1104,
1352                 .type = DRM_MODE_TYPE_DRIVER,
1353         },
1354 };
1355
1356 /**
1357  * Detects TV presence by checking for load.
1358  *
1359  * Requires that the current pipe's DPLL is active.
1360
1361  * \return true if TV is connected.
1362  * \return false if TV is disconnected.
1363  */
1364 static int
1365 intel_tv_detect_type (struct drm_crtc *crtc, struct intel_output *intel_output)
1366 {
1367         struct drm_encoder *encoder = &intel_output->enc;
1368         struct drm_device *dev = encoder->dev;
1369         struct drm_i915_private *dev_priv = dev->dev_private;
1370         unsigned long irqflags;
1371         u32 tv_ctl, save_tv_ctl;
1372         u32 tv_dac, save_tv_dac;
1373         int type = DRM_MODE_CONNECTOR_Unknown;
1374
1375         tv_dac = I915_READ(TV_DAC);
1376
1377         /* Disable TV interrupts around load detect or we'll recurse */
1378         spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
1379         i915_disable_pipestat(dev_priv, 0, PIPE_HOTPLUG_INTERRUPT_ENABLE |
1380                               PIPE_HOTPLUG_TV_INTERRUPT_ENABLE);
1381         spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
1382
1383         /*
1384          * Detect TV by polling)
1385          */
1386         if (intel_output->load_detect_temp) {
1387                 /* TV not currently running, prod it with destructive detect */
1388                 save_tv_dac = tv_dac;
1389                 tv_ctl = I915_READ(TV_CTL);
1390                 save_tv_ctl = tv_ctl;
1391                 tv_ctl &= ~TV_ENC_ENABLE;
1392                 tv_ctl &= ~TV_TEST_MODE_MASK;
1393                 tv_ctl |= TV_TEST_MODE_MONITOR_DETECT;
1394                 tv_dac &= ~TVDAC_SENSE_MASK;
1395                 tv_dac &= ~DAC_A_MASK;
1396                 tv_dac &= ~DAC_B_MASK;
1397                 tv_dac &= ~DAC_C_MASK;
1398                 tv_dac |= (TVDAC_STATE_CHG_EN |
1399                            TVDAC_A_SENSE_CTL |
1400                            TVDAC_B_SENSE_CTL |
1401                            TVDAC_C_SENSE_CTL |
1402                            DAC_CTL_OVERRIDE |
1403                            DAC_A_0_7_V |
1404                            DAC_B_0_7_V |
1405                            DAC_C_0_7_V);
1406                 I915_WRITE(TV_CTL, tv_ctl);
1407                 I915_WRITE(TV_DAC, tv_dac);
1408                 intel_wait_for_vblank(dev);
1409                 tv_dac = I915_READ(TV_DAC);
1410                 I915_WRITE(TV_DAC, save_tv_dac);
1411                 I915_WRITE(TV_CTL, save_tv_ctl);
1412                 intel_wait_for_vblank(dev);
1413         }
1414         /*
1415          *  A B C
1416          *  0 1 1 Composite
1417          *  1 0 X svideo
1418          *  0 0 0 Component
1419          */
1420         if ((tv_dac & TVDAC_SENSE_MASK) == (TVDAC_B_SENSE | TVDAC_C_SENSE)) {
1421                 DRM_DEBUG("Detected Composite TV connection\n");
1422                 type = DRM_MODE_CONNECTOR_Composite;
1423         } else if ((tv_dac & (TVDAC_A_SENSE|TVDAC_B_SENSE)) == TVDAC_A_SENSE) {
1424                 DRM_DEBUG("Detected S-Video TV connection\n");
1425                 type = DRM_MODE_CONNECTOR_SVIDEO;
1426         } else if ((tv_dac & TVDAC_SENSE_MASK) == 0) {
1427                 DRM_DEBUG("Detected Component TV connection\n");
1428                 type = DRM_MODE_CONNECTOR_Component;
1429         } else {
1430                 DRM_DEBUG("No TV connection detected\n");
1431                 type = -1;
1432         }
1433
1434         /* Restore interrupt config */
1435         spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
1436         i915_enable_pipestat(dev_priv, 0, PIPE_HOTPLUG_INTERRUPT_ENABLE |
1437                              PIPE_HOTPLUG_TV_INTERRUPT_ENABLE);
1438         spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
1439
1440         return type;
1441 }
1442
1443 /**
1444  * Detect the TV connection.
1445  *
1446  * Currently this always returns CONNECTOR_STATUS_UNKNOWN, as we need to be sure
1447  * we have a pipe programmed in order to probe the TV.
1448  */
1449 static enum drm_connector_status
1450 intel_tv_detect(struct drm_connector *connector)
1451 {
1452         struct drm_crtc *crtc;
1453         struct drm_display_mode mode;
1454         struct intel_output *intel_output = to_intel_output(connector);
1455         struct intel_tv_priv *tv_priv = intel_output->dev_priv;
1456         struct drm_encoder *encoder = &intel_output->enc;
1457         int dpms_mode;
1458         int type = tv_priv->type;
1459
1460         mode = reported_modes[0];
1461         drm_mode_set_crtcinfo(&mode, CRTC_INTERLACE_HALVE_V);
1462
1463         if (encoder->crtc && encoder->crtc->enabled) {
1464                 type = intel_tv_detect_type(encoder->crtc, intel_output);
1465         } else {
1466                 crtc = intel_get_load_detect_pipe(intel_output, &mode, &dpms_mode);
1467                 if (crtc) {
1468                         type = intel_tv_detect_type(crtc, intel_output);
1469                         intel_release_load_detect_pipe(intel_output, dpms_mode);
1470                 } else
1471                         type = -1;
1472         }
1473
1474         tv_priv->type = type;
1475
1476         if (type < 0)
1477                 return connector_status_disconnected;
1478
1479         return connector_status_connected;
1480 }
1481
1482 static struct input_res {
1483         char *name;
1484         int w, h;
1485 } input_res_table[] =
1486 {
1487         {"640x480", 640, 480},
1488         {"800x600", 800, 600},
1489         {"1024x768", 1024, 768},
1490         {"1280x1024", 1280, 1024},
1491         {"848x480", 848, 480},
1492         {"1280x720", 1280, 720},
1493         {"1920x1080", 1920, 1080},
1494 };
1495
1496 /**
1497  * Stub get_modes function.
1498  *
1499  * This should probably return a set of fixed modes, unless we can figure out
1500  * how to probe modes off of TV connections.
1501  */
1502
1503 static int
1504 intel_tv_get_modes(struct drm_connector *connector)
1505 {
1506         struct drm_display_mode *mode_ptr;
1507         struct intel_output *intel_output = to_intel_output(connector);
1508         const struct tv_mode *tv_mode = intel_tv_mode_find(intel_output);
1509         int j, count = 0;
1510         u64 tmp;
1511
1512         for (j = 0; j < sizeof(input_res_table) / sizeof(input_res_table[0]);
1513              j++) {
1514                 struct input_res *input = &input_res_table[j];
1515                 unsigned int hactive_s = input->w;
1516                 unsigned int vactive_s = input->h;
1517
1518                 if (tv_mode->max_srcw && input->w > tv_mode->max_srcw)
1519                         continue;
1520
1521                 if (input->w > 1024 && (!tv_mode->progressive
1522                                         && !tv_mode->component_only))
1523                         continue;
1524
1525                 mode_ptr = drm_mode_create(connector->dev);
1526                 if (!mode_ptr)
1527                         continue;
1528                 strncpy(mode_ptr->name, input->name, DRM_DISPLAY_MODE_LEN);
1529
1530                 mode_ptr->hdisplay = hactive_s;
1531                 mode_ptr->hsync_start = hactive_s + 1;
1532                 mode_ptr->hsync_end = hactive_s + 64;
1533                 if (mode_ptr->hsync_end <= mode_ptr->hsync_start)
1534                         mode_ptr->hsync_end = mode_ptr->hsync_start + 1;
1535                 mode_ptr->htotal = hactive_s + 96;
1536
1537                 mode_ptr->vdisplay = vactive_s;
1538                 mode_ptr->vsync_start = vactive_s + 1;
1539                 mode_ptr->vsync_end = vactive_s + 32;
1540                 if (mode_ptr->vsync_end <= mode_ptr->vsync_start)
1541                         mode_ptr->vsync_end = mode_ptr->vsync_start  + 1;
1542                 mode_ptr->vtotal = vactive_s + 33;
1543
1544                 tmp = (u64) tv_mode->refresh * mode_ptr->vtotal;
1545                 tmp *= mode_ptr->htotal;
1546                 tmp = div_u64(tmp, 1000000);
1547                 mode_ptr->clock = (int) tmp;
1548
1549                 mode_ptr->type = DRM_MODE_TYPE_DRIVER;
1550                 drm_mode_probed_add(connector, mode_ptr);
1551                 count++;
1552         }
1553
1554         return count;
1555 }
1556
1557 static void
1558 intel_tv_destroy (struct drm_connector *connector)
1559 {
1560         struct intel_output *intel_output = to_intel_output(connector);
1561
1562         drm_sysfs_connector_remove(connector);
1563         drm_connector_cleanup(connector);
1564         drm_free(intel_output, sizeof(struct intel_output) + sizeof(struct intel_tv_priv),
1565                  DRM_MEM_DRIVER);
1566 }
1567
1568
1569 static int
1570 intel_tv_set_property(struct drm_connector *connector, struct drm_property *property,
1571                       uint64_t val)
1572 {
1573         struct drm_device *dev = connector->dev;
1574         struct intel_output *intel_output = to_intel_output(connector);
1575         struct intel_tv_priv *tv_priv = intel_output->dev_priv;
1576         struct drm_encoder *encoder = &intel_output->enc;
1577         struct drm_crtc *crtc = encoder->crtc;
1578         int ret = 0;
1579         bool changed = false;
1580
1581         ret = drm_connector_property_set_value(connector, property, val);
1582         if (ret < 0)
1583                 goto out;
1584
1585         if (property == dev->mode_config.tv_left_margin_property &&
1586                 tv_priv->margin[TV_MARGIN_LEFT] != val) {
1587                 tv_priv->margin[TV_MARGIN_LEFT] = val;
1588                 changed = true;
1589         } else if (property == dev->mode_config.tv_right_margin_property &&
1590                 tv_priv->margin[TV_MARGIN_RIGHT] != val) {
1591                 tv_priv->margin[TV_MARGIN_RIGHT] = val;
1592                 changed = true;
1593         } else if (property == dev->mode_config.tv_top_margin_property &&
1594                 tv_priv->margin[TV_MARGIN_TOP] != val) {
1595                 tv_priv->margin[TV_MARGIN_TOP] = val;
1596                 changed = true;
1597         } else if (property == dev->mode_config.tv_bottom_margin_property &&
1598                 tv_priv->margin[TV_MARGIN_BOTTOM] != val) {
1599                 tv_priv->margin[TV_MARGIN_BOTTOM] = val;
1600                 changed = true;
1601         } else if (property == dev->mode_config.tv_mode_property) {
1602                 if (val >= NUM_TV_MODES) {
1603                         ret = -EINVAL;
1604                         goto out;
1605                 }
1606                 if (!strcmp(tv_priv->tv_format, tv_modes[val].name))
1607                         goto out;
1608
1609                 tv_priv->tv_format = tv_modes[val].name;
1610                 changed = true;
1611         } else {
1612                 ret = -EINVAL;
1613                 goto out;
1614         }
1615
1616         if (changed && crtc)
1617                 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1618                                 crtc->y, crtc->fb);
1619 out:
1620         return ret;
1621 }
1622
1623 static const struct drm_encoder_helper_funcs intel_tv_helper_funcs = {
1624         .dpms = intel_tv_dpms,
1625         .mode_fixup = intel_tv_mode_fixup,
1626         .prepare = intel_encoder_prepare,
1627         .mode_set = intel_tv_mode_set,
1628         .commit = intel_encoder_commit,
1629 };
1630
1631 static const struct drm_connector_funcs intel_tv_connector_funcs = {
1632         .dpms = drm_helper_connector_dpms,
1633         .save = intel_tv_save,
1634         .restore = intel_tv_restore,
1635         .detect = intel_tv_detect,
1636         .destroy = intel_tv_destroy,
1637         .set_property = intel_tv_set_property,
1638         .fill_modes = drm_helper_probe_single_connector_modes,
1639 };
1640
1641 static const struct drm_connector_helper_funcs intel_tv_connector_helper_funcs = {
1642         .mode_valid = intel_tv_mode_valid,
1643         .get_modes = intel_tv_get_modes,
1644         .best_encoder = intel_best_encoder,
1645 };
1646
1647 static void intel_tv_enc_destroy(struct drm_encoder *encoder)
1648 {
1649         drm_encoder_cleanup(encoder);
1650 }
1651
1652 static const struct drm_encoder_funcs intel_tv_enc_funcs = {
1653         .destroy = intel_tv_enc_destroy,
1654 };
1655
1656
1657 void
1658 intel_tv_init(struct drm_device *dev)
1659 {
1660         struct drm_i915_private *dev_priv = dev->dev_private;
1661         struct drm_connector *connector;
1662         struct intel_output *intel_output;
1663         struct intel_tv_priv *tv_priv;
1664         u32 tv_dac_on, tv_dac_off, save_tv_dac;
1665         char **tv_format_names;
1666         int i, initial_mode = 0;
1667
1668         if ((I915_READ(TV_CTL) & TV_FUSE_STATE_MASK) == TV_FUSE_STATE_DISABLED)
1669                 return;
1670
1671         /* Even if we have an encoder we may not have a connector */
1672         if (!dev_priv->int_tv_support)
1673                 return;
1674
1675         /*
1676          * Sanity check the TV output by checking to see if the
1677          * DAC register holds a value
1678          */
1679         save_tv_dac = I915_READ(TV_DAC);
1680
1681         I915_WRITE(TV_DAC, save_tv_dac | TVDAC_STATE_CHG_EN);
1682         tv_dac_on = I915_READ(TV_DAC);
1683
1684         I915_WRITE(TV_DAC, save_tv_dac & ~TVDAC_STATE_CHG_EN);
1685         tv_dac_off = I915_READ(TV_DAC);
1686
1687         I915_WRITE(TV_DAC, save_tv_dac);
1688
1689         /*
1690          * If the register does not hold the state change enable
1691          * bit, (either as a 0 or a 1), assume it doesn't really
1692          * exist
1693          */
1694         if ((tv_dac_on & TVDAC_STATE_CHG_EN) == 0 ||
1695             (tv_dac_off & TVDAC_STATE_CHG_EN) != 0)
1696                 return;
1697
1698         intel_output = drm_calloc(1, sizeof(struct intel_output) +
1699                                   sizeof(struct intel_tv_priv), DRM_MEM_DRIVER);
1700         if (!intel_output) {
1701                 return;
1702         }
1703         connector = &intel_output->base;
1704
1705         drm_connector_init(dev, connector, &intel_tv_connector_funcs,
1706                            DRM_MODE_CONNECTOR_SVIDEO);
1707
1708         drm_encoder_init(dev, &intel_output->enc, &intel_tv_enc_funcs,
1709                          DRM_MODE_ENCODER_TVDAC);
1710
1711         drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);
1712         tv_priv = (struct intel_tv_priv *)(intel_output + 1);
1713         intel_output->type = INTEL_OUTPUT_TVOUT;
1714         intel_output->enc.possible_crtcs = ((1 << 0) | (1 << 1));
1715         intel_output->enc.possible_clones = (1 << INTEL_OUTPUT_TVOUT);
1716         intel_output->dev_priv = tv_priv;
1717         tv_priv->type = DRM_MODE_CONNECTOR_Unknown;
1718
1719         /* BIOS margin values */
1720         tv_priv->margin[TV_MARGIN_LEFT] = 54;
1721         tv_priv->margin[TV_MARGIN_TOP] = 36;
1722         tv_priv->margin[TV_MARGIN_RIGHT] = 46;
1723         tv_priv->margin[TV_MARGIN_BOTTOM] = 37;
1724
1725         tv_priv->tv_format = kstrdup(tv_modes[initial_mode].name, GFP_KERNEL);
1726
1727         drm_encoder_helper_add(&intel_output->enc, &intel_tv_helper_funcs);
1728         drm_connector_helper_add(connector, &intel_tv_connector_helper_funcs);
1729         connector->interlace_allowed = false;
1730         connector->doublescan_allowed = false;
1731
1732         /* Create TV properties then attach current values */
1733         tv_format_names = drm_alloc(sizeof(char *) * NUM_TV_MODES,
1734                                     DRM_MEM_DRIVER);
1735         if (!tv_format_names)
1736                 goto out;
1737         for (i = 0; i < NUM_TV_MODES; i++)
1738                 tv_format_names[i] = tv_modes[i].name;
1739         drm_mode_create_tv_properties(dev, NUM_TV_MODES, tv_format_names);
1740
1741         drm_connector_attach_property(connector, dev->mode_config.tv_mode_property,
1742                                    initial_mode);
1743         drm_connector_attach_property(connector,
1744                                    dev->mode_config.tv_left_margin_property,
1745                                    tv_priv->margin[TV_MARGIN_LEFT]);
1746         drm_connector_attach_property(connector,
1747                                    dev->mode_config.tv_top_margin_property,
1748                                    tv_priv->margin[TV_MARGIN_TOP]);
1749         drm_connector_attach_property(connector,
1750                                    dev->mode_config.tv_right_margin_property,
1751                                    tv_priv->margin[TV_MARGIN_RIGHT]);
1752         drm_connector_attach_property(connector,
1753                                    dev->mode_config.tv_bottom_margin_property,
1754                                    tv_priv->margin[TV_MARGIN_BOTTOM]);
1755 out:
1756         drm_sysfs_connector_add(connector);
1757 }