/* * Copyright © 2006-2008 Intel Corporation * Jesse Barnes * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Authors: * Eric Anholt * */ /** @file * Integrated TV-out support for the 915GM and 945GM. */ #include #include #include #include #include "intel_drv.h" #include #include "i915_drv.h" enum tv_margin { TV_MARGIN_LEFT, TV_MARGIN_TOP, TV_MARGIN_RIGHT, TV_MARGIN_BOTTOM }; /** Private structure for the integrated TV support */ struct intel_tv { struct intel_encoder base; int type; }; struct video_levels { u16 blank, black; u8 burst; }; struct color_conversion { u16 ry, gy, by, ay; u16 ru, gu, bu, au; u16 rv, gv, bv, av; }; static const u32 filter_table[] = { 0xB1403000, 0x2E203500, 0x35002E20, 0x3000B140, 0x35A0B160, 0x2DC02E80, 0xB1403480, 0xB1603000, 0x2EA03640, 0x34002D80, 0x3000B120, 0x36E0B160, 0x2D202EF0, 0xB1203380, 0xB1603000, 0x2F303780, 0x33002CC0, 0x3000B100, 0x3820B160, 0x2C802F50, 0xB10032A0, 0xB1603000, 0x2F9038C0, 0x32202C20, 0x3000B0E0, 0x3980B160, 0x2BC02FC0, 0xB0E031C0, 0xB1603000, 0x2FF03A20, 0x31602B60, 0xB020B0C0, 0x3AE0B160, 0x2B001810, 0xB0C03120, 0xB140B020, 0x18283BA0, 0x30C02A80, 0xB020B0A0, 0x3C60B140, 0x2A201838, 0xB0A03080, 0xB120B020, 0x18383D20, 0x304029C0, 0xB040B080, 0x3DE0B100, 0x29601848, 0xB0803000, 0xB100B040, 0x18483EC0, 0xB0402900, 0xB040B060, 0x3F80B0C0, 0x28801858, 0xB060B080, 0xB0A0B060, 0x18602820, 0xB0A02820, 0x0000B060, 0xB1403000, 0x2E203500, 0x35002E20, 0x3000B140, 0x35A0B160, 0x2DC02E80, 0xB1403480, 0xB1603000, 0x2EA03640, 0x34002D80, 0x3000B120, 0x36E0B160, 0x2D202EF0, 0xB1203380, 0xB1603000, 0x2F303780, 0x33002CC0, 0x3000B100, 0x3820B160, 0x2C802F50, 0xB10032A0, 0xB1603000, 0x2F9038C0, 0x32202C20, 0x3000B0E0, 0x3980B160, 0x2BC02FC0, 0xB0E031C0, 0xB1603000, 0x2FF03A20, 0x31602B60, 0xB020B0C0, 0x3AE0B160, 0x2B001810, 0xB0C03120, 0xB140B020, 0x18283BA0, 0x30C02A80, 0xB020B0A0, 0x3C60B140, 0x2A201838, 0xB0A03080, 0xB120B020, 0x18383D20, 0x304029C0, 0xB040B080, 0x3DE0B100, 0x29601848, 0xB0803000, 0xB100B040, 0x18483EC0, 0xB0402900, 0xB040B060, 0x3F80B0C0, 0x28801858, 0xB060B080, 0xB0A0B060, 0x18602820, 0xB0A02820, 0x0000B060, 0x36403000, 0x2D002CC0, 0x30003640, 0x2D0036C0, 0x35C02CC0, 0x37403000, 0x2C802D40, 0x30003540, 0x2D8037C0, 0x34C02C40, 0x38403000, 0x2BC02E00, 0x30003440, 0x2E2038C0, 0x34002B80, 0x39803000, 0x2B402E40, 0x30003380, 0x2E603A00, 0x33402B00, 0x3A803040, 0x2A802EA0, 0x30403300, 0x2EC03B40, 0x32802A40, 0x3C003040, 0x2A002EC0, 0x30803240, 0x2EC03C80, 0x320029C0, 0x3D403080, 0x29402F00, 0x308031C0, 0x2F203DC0, 0x31802900, 0x3E8030C0, 0x28802F40, 0x30C03140, 0x2F203F40, 0x31402840, 0x28003100, 0x28002F00, 0x00003100, 0x36403000, 0x2D002CC0, 0x30003640, 0x2D0036C0, 0x35C02CC0, 0x37403000, 0x2C802D40, 0x30003540, 0x2D8037C0, 0x34C02C40, 0x38403000, 0x2BC02E00, 0x30003440, 0x2E2038C0, 0x34002B80, 0x39803000, 0x2B402E40, 0x30003380, 0x2E603A00, 0x33402B00, 0x3A803040, 0x2A802EA0, 0x30403300, 0x2EC03B40, 0x32802A40, 0x3C003040, 0x2A002EC0, 0x30803240, 0x2EC03C80, 0x320029C0, 0x3D403080, 0x29402F00, 0x308031C0, 0x2F203DC0, 0x31802900, 0x3E8030C0, 0x28802F40, 0x30C03140, 0x2F203F40, 0x31402840, 0x28003100, 0x28002F00, 0x00003100, }; /* * Color conversion values have 3 separate fixed point formats: * * 10 bit fields (ay, au) * 1.9 fixed point (b.bbbbbbbbb) * 11 bit fields (ry, by, ru, gu, gv) * exp.mantissa (ee.mmmmmmmmm) * ee = 00 = 10^-1 (0.mmmmmmmmm) * ee = 01 = 10^-2 (0.0mmmmmmmmm) * ee = 10 = 10^-3 (0.00mmmmmmmmm) * ee = 11 = 10^-4 (0.000mmmmmmmmm) * 12 bit fields (gy, rv, bu) * exp.mantissa (eee.mmmmmmmmm) * eee = 000 = 10^-1 (0.mmmmmmmmm) * eee = 001 = 10^-2 (0.0mmmmmmmmm) * eee = 010 = 10^-3 (0.00mmmmmmmmm) * eee = 011 = 10^-4 (0.000mmmmmmmmm) * eee = 100 = reserved * eee = 101 = reserved * eee = 110 = reserved * eee = 111 = 10^0 (m.mmmmmmmm) (only usable for 1.0 representation) * * Saturation and contrast are 8 bits, with their own representation: * 8 bit field (saturation, contrast) * exp.mantissa (ee.mmmmmm) * ee = 00 = 10^-1 (0.mmmmmm) * ee = 01 = 10^0 (m.mmmmm) * ee = 10 = 10^1 (mm.mmmm) * ee = 11 = 10^2 (mmm.mmm) * * Simple conversion function: * * static u32 * float_to_csc_11(float f) * { * u32 exp; * u32 mant; * u32 ret; * * if (f < 0) * f = -f; * * if (f >= 1) { * exp = 0x7; * mant = 1 << 8; * } else { * for (exp = 0; exp < 3 && f < 0.5; exp++) * f *= 2.0; * mant = (f * (1 << 9) + 0.5); * if (mant >= (1 << 9)) * mant = (1 << 9) - 1; * } * ret = (exp << 9) | mant; * return ret; * } */ /* * Behold, magic numbers! If we plant them they might grow a big * s-video cable to the sky... or something. * * Pre-converted to appropriate hex value. */ /* * PAL & NTSC values for composite & s-video connections */ static const struct color_conversion ntsc_m_csc_composite = { .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0104, .ru = 0x0733, .gu = 0x052d, .bu = 0x05c7, .au = 0x0200, .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0200, }; static const struct video_levels ntsc_m_levels_composite = { .blank = 225, .black = 267, .burst = 113, }; static const struct color_conversion ntsc_m_csc_svideo = { .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0133, .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0200, .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0200, }; static const struct video_levels ntsc_m_levels_svideo = { .blank = 266, .black = 316, .burst = 133, }; static const struct color_conversion ntsc_j_csc_composite = { .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0119, .ru = 0x074c, .gu = 0x0546, .bu = 0x05ec, .au = 0x0200, .rv = 0x035a, .gv = 0x0322, .bv = 0x06e1, .av = 0x0200, }; static const struct video_levels ntsc_j_levels_composite = { .blank = 225, .black = 225, .burst = 113, }; static const struct color_conversion ntsc_j_csc_svideo = { .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x014c, .ru = 0x0788, .gu = 0x0581, .bu = 0x0322, .au = 0x0200, .rv = 0x0399, .gv = 0x0356, .bv = 0x070a, .av = 0x0200, }; static const struct video_levels ntsc_j_levels_svideo = { .blank = 266, .black = 266, .burst = 133, }; static const struct color_conversion pal_csc_composite = { .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0113, .ru = 0x0745, .gu = 0x053f, .bu = 0x05e1, .au = 0x0200, .rv = 0x0353, .gv = 0x031c, .bv = 0x06dc, .av = 0x0200, }; static const struct video_levels pal_levels_composite = { .blank = 237, .black = 237, .burst = 118, }; static const struct color_conversion pal_csc_svideo = { .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0145, .ru = 0x0780, .gu = 0x0579, .bu = 0x031c, .au = 0x0200, .rv = 0x0390, .gv = 0x034f, .bv = 0x0705, .av = 0x0200, }; static const struct video_levels pal_levels_svideo = { .blank = 280, .black = 280, .burst = 139, }; static const struct color_conversion pal_m_csc_composite = { .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0104, .ru = 0x0733, .gu = 0x052d, .bu = 0x05c7, .au = 0x0200, .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0200, }; static const struct video_levels pal_m_levels_composite = { .blank = 225, .black = 267, .burst = 113, }; static const struct color_conversion pal_m_csc_svideo = { .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0133, .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0200, .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0200, }; static const struct video_levels pal_m_levels_svideo = { .blank = 266, .black = 316, .burst = 133, }; static const struct color_conversion pal_n_csc_composite = { .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0104, .ru = 0x0733, .gu = 0x052d, .bu = 0x05c7, .au = 0x0200, .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0200, }; static const struct video_levels pal_n_levels_composite = { .blank = 225, .black = 267, .burst = 118, }; static const struct color_conversion pal_n_csc_svideo = { .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0133, .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0200, .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0200, }; static const struct video_levels pal_n_levels_svideo = { .blank = 266, .black = 316, .burst = 139, }; /* * Component connections */ static const struct color_conversion sdtv_csc_yprpb = { .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0145, .ru = 0x0559, .gu = 0x0353, .bu = 0x0100, .au = 0x0200, .rv = 0x0100, .gv = 0x03ad, .bv = 0x074d, .av = 0x0200, }; static const struct color_conversion hdtv_csc_yprpb = { .ry = 0x05b3, .gy = 0x016e, .by = 0x0728, .ay = 0x0145, .ru = 0x07d5, .gu = 0x038b, .bu = 0x0100, .au = 0x0200, .rv = 0x0100, .gv = 0x03d1, .bv = 0x06bc, .av = 0x0200, }; static const struct video_levels component_levels = { .blank = 279, .black = 279, .burst = 0, }; struct tv_mode { const char *name; u32 clock; u16 refresh; /* in millihertz (for precision) */ u32 oversample; u8 hsync_end; u16 hblank_start, hblank_end, htotal; bool progressive : 1, trilevel_sync : 1, component_only : 1; u8 vsync_start_f1, vsync_start_f2, vsync_len; bool veq_ena : 1; u8 veq_start_f1, veq_start_f2, veq_len; u8 vi_end_f1, vi_end_f2; u16 nbr_end; bool burst_ena : 1; u8 hburst_start, hburst_len; u8 vburst_start_f1; u16 vburst_end_f1; u8 vburst_start_f2; u16 vburst_end_f2; u8 vburst_start_f3; u16 vburst_end_f3; u8 vburst_start_f4; u16 vburst_end_f4; /* * subcarrier programming */ u16 dda2_size, dda3_size; u8 dda1_inc; u16 dda2_inc, dda3_inc; u32 sc_reset; bool pal_burst : 1; /* * blank/black levels */ const struct video_levels *composite_levels, *svideo_levels; const struct color_conversion *composite_color, *svideo_color; const u32 *filter_table; u16 max_srcw; }; /* * Sub carrier DDA * * I think this works as follows: * * subcarrier freq = pixel_clock * (dda1_inc + dda2_inc / dda2_size) / 4096 * * Presumably, when dda3 is added in, it gets to adjust the dda2_inc value * * So, * dda1_ideal = subcarrier/pixel * 4096 * dda1_inc = floor (dda1_ideal) * dda2 = dda1_ideal - dda1_inc * * then pick a ratio for dda2 that gives the closest approximation. If * you can't get close enough, you can play with dda3 as well. This * seems likely to happen when dda2 is small as the jumps would be larger * * To invert this, * * pixel_clock = subcarrier * 4096 / (dda1_inc + dda2_inc / dda2_size) * * The constants below were all computed using a 107.520MHz clock */ /** * Register programming values for TV modes. * * These values account for -1s required. */ static const struct tv_mode tv_modes[] = { { .name = "NTSC-M", .clock = 108000, .refresh = 59940, .oversample = TV_OVERSAMPLE_8X, .component_only = 0, /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */ .hsync_end = 64, .hblank_end = 124, .hblank_start = 836, .htotal = 857, .progressive = false, .trilevel_sync = false, .vsync_start_f1 = 6, .vsync_start_f2 = 7, .vsync_len = 6, .veq_ena = true, .veq_start_f1 = 0, .veq_start_f2 = 1, .veq_len = 18, .vi_end_f1 = 20, .vi_end_f2 = 21, .nbr_end = 240, .burst_ena = true, .hburst_start = 72, .hburst_len = 34, .vburst_start_f1 = 9, .vburst_end_f1 = 240, .vburst_start_f2 = 10, .vburst_end_f2 = 240, .vburst_start_f3 = 9, .vburst_end_f3 = 240, .vburst_start_f4 = 10, .vburst_end_f4 = 240, /* desired 3.5800000 actual 3.5800000 clock 107.52 */ .dda1_inc = 135, .dda2_inc = 20800, .dda2_size = 27456, .dda3_inc = 0, .dda3_size = 0, .sc_reset = TV_SC_RESET_EVERY_4, .pal_burst = false, .composite_levels = &ntsc_m_levels_composite, .composite_color = &ntsc_m_csc_composite, .svideo_levels = &ntsc_m_levels_svideo, .svideo_color = &ntsc_m_csc_svideo, .filter_table = filter_table, }, { .name = "NTSC-443", .clock = 108000, .refresh = 59940, .oversample = TV_OVERSAMPLE_8X, .component_only = 0, /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 4.43MHz */ .hsync_end = 64, .hblank_end = 124, .hblank_start = 836, .htotal = 857, .progressive = false, .trilevel_sync = false, .vsync_start_f1 = 6, .vsync_start_f2 = 7, .vsync_len = 6, .veq_ena = true, .veq_start_f1 = 0, .veq_start_f2 = 1, .veq_len = 18, .vi_end_f1 = 20, .vi_end_f2 = 21, .nbr_end = 240, .burst_ena = true, .hburst_start = 72, .hburst_len = 34, .vburst_start_f1 = 9, .vburst_end_f1 = 240, .vburst_start_f2 = 10, .vburst_end_f2 = 240, .vburst_start_f3 = 9, .vburst_end_f3 = 240, .vburst_start_f4 = 10, .vburst_end_f4 = 240, /* desired 4.4336180 actual 4.4336180 clock 107.52 */ .dda1_inc = 168, .dda2_inc = 4093, .dda2_size = 27456, .dda3_inc = 310, .dda3_size = 525, .sc_reset = TV_SC_RESET_NEVER, .pal_burst = false, .composite_levels = &ntsc_m_levels_composite, .composite_color = &ntsc_m_csc_composite, .svideo_levels = &ntsc_m_levels_svideo, .svideo_color = &ntsc_m_csc_svideo, .filter_table = filter_table, }, { .name = "NTSC-J", .clock = 108000, .refresh = 59940, .oversample = TV_OVERSAMPLE_8X, .component_only = 0, /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */ .hsync_end = 64, .hblank_end = 124, .hblank_start = 836, .htotal = 857, .progressive = false, .trilevel_sync = false, .vsync_start_f1 = 6, .vsync_start_f2 = 7, .vsync_len = 6, .veq_ena = true, .veq_start_f1 = 0, .veq_start_f2 = 1, .veq_len = 18, .vi_end_f1 = 20, .vi_end_f2 = 21, .nbr_end = 240, .burst_ena = true, .hburst_start = 72, .hburst_len = 34, .vburst_start_f1 = 9, .vburst_end_f1 = 240, .vburst_start_f2 = 10, .vburst_end_f2 = 240, .vburst_start_f3 = 9, .vburst_end_f3 = 240, .vburst_start_f4 = 10, .vburst_end_f4 = 240, /* desired 3.5800000 actual 3.5800000 clock 107.52 */ .dda1_inc = 135, .dda2_inc = 20800, .dda2_size = 27456, .dda3_inc = 0, .dda3_size = 0, .sc_reset = TV_SC_RESET_EVERY_4, .pal_burst = false, .composite_levels = &ntsc_j_levels_composite, .composite_color = &ntsc_j_csc_composite, .svideo_levels = &ntsc_j_levels_svideo, .svideo_color = &ntsc_j_csc_svideo, .filter_table = filter_table, }, { .name = "PAL-M", .clock = 108000, .refresh = 59940, .oversample = TV_OVERSAMPLE_8X, .component_only = 0, /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */ .hsync_end = 64, .hblank_end = 124, .hblank_start = 836, .htotal = 857, .progressive = false, .trilevel_sync = false, .vsync_start_f1 = 6, .vsync_start_f2 = 7, .vsync_len = 6, .veq_ena = true, .veq_start_f1 = 0, .veq_start_f2 = 1, .veq_len = 18, .vi_end_f1 = 20, .vi_end_f2 = 21, .nbr_end = 240, .burst_ena = true, .hburst_start = 72, .hburst_len = 34, .vburst_start_f1 = 9, .vburst_end_f1 = 240, .vburst_start_f2 = 10, .vburst_end_f2 = 240, .vburst_start_f3 = 9, .vburst_end_f3 = 240, .vburst_start_f4 = 10, .vburst_end_f4 = 240, /* desired 3.5800000 actual 3.5800000 clock 107.52 */ .dda1_inc = 135, .dda2_inc = 16704, .dda2_size = 27456, .dda3_inc = 0, .dda3_size = 0, .sc_reset = TV_SC_RESET_EVERY_8, .pal_burst = true, .composite_levels = &pal_m_levels_composite, .composite_color = &pal_m_csc_composite, .svideo_levels = &pal_m_levels_svideo, .svideo_color = &pal_m_csc_svideo, .filter_table = filter_table, }, { /* 625 Lines, 50 Fields, 15.625KHz line, Sub-Carrier 4.434MHz */ .name = "PAL-N", .clock = 108000, .refresh = 50000, .oversample = TV_OVERSAMPLE_8X, .component_only = 0, .hsync_end = 64, .hblank_end = 128, .hblank_start = 844, .htotal = 863, .progressive = false, .trilevel_sync = false, .vsync_start_f1 = 6, .vsync_start_f2 = 7, .vsync_len = 6, .veq_ena = true, .veq_start_f1 = 0, .veq_start_f2 = 1, .veq_len = 18, .vi_end_f1 = 24, .vi_end_f2 = 25, .nbr_end = 286, .burst_ena = true, .hburst_start = 73, .hburst_len = 34, .vburst_start_f1 = 8, .vburst_end_f1 = 285, .vburst_start_f2 = 8, .vburst_end_f2 = 286, .vburst_start_f3 = 9, .vburst_end_f3 = 286, .vburst_start_f4 = 9, .vburst_end_f4 = 285, /* desired 4.4336180 actual 4.4336180 clock 107.52 */ .dda1_inc = 135, .dda2_inc = 23578, .dda2_size = 27648, .dda3_inc = 134, .dda3_size = 625, .sc_reset = TV_SC_RESET_EVERY_8, .pal_burst = true, .composite_levels = &pal_n_levels_composite, .composite_color = &pal_n_csc_composite, .svideo_levels = &pal_n_levels_svideo, .svideo_color = &pal_n_csc_svideo, .filter_table = filter_table, }, { /* 625 Lines, 50 Fields, 15.625KHz line, Sub-Carrier 4.434MHz */ .name = "PAL", .clock = 108000, .refresh = 50000, .oversample = TV_OVERSAMPLE_8X, .component_only = 0, .hsync_end = 64, .hblank_end = 142, .hblank_start = 844, .htotal = 863, .progressive = false, .trilevel_sync = false, .vsync_start_f1 = 5, .vsync_start_f2 = 6, .vsync_len = 5, .veq_ena = true, .veq_start_f1 = 0, .veq_start_f2 = 1, .veq_len = 15, .vi_end_f1 = 24, .vi_end_f2 = 25, .nbr_end = 286, .burst_ena = true, .hburst_start = 73, .hburst_len = 32, .vburst_start_f1 = 8, .vburst_end_f1 = 285, .vburst_start_f2 = 8, .vburst_end_f2 = 286, .vburst_start_f3 = 9, .vburst_end_f3 = 286, .vburst_start_f4 = 9, .vburst_end_f4 = 285, /* desired 4.4336180 actual 4.4336180 clock 107.52 */ .dda1_inc = 168, .dda2_inc = 4122, .dda2_size = 27648, .dda3_inc = 67, .dda3_size = 625, .sc_reset = TV_SC_RESET_EVERY_8, .pal_burst = true, .composite_levels = &pal_levels_composite, .composite_color = &pal_csc_composite, .svideo_levels = &pal_levels_svideo, .svideo_color = &pal_csc_svideo, .filter_table = filter_table, }, { .name = "480p", .clock = 107520, .refresh = 59940, .oversample = TV_OVERSAMPLE_4X, .component_only = 1, .hsync_end = 64, .hblank_end = 122, .hblank_start = 842, .htotal = 857, .progressive = true, .trilevel_sync = false, .vsync_start_f1 = 12, .vsync_start_f2 = 12, .vsync_len = 12, .veq_ena = false, .vi_end_f1 = 44, .vi_end_f2 = 44, .nbr_end = 479, .burst_ena = false, .filter_table = filter_table, }, { .name = "576p", .clock = 107520, .refresh = 50000, .oversample = TV_OVERSAMPLE_4X, .component_only = 1, .hsync_end = 64, .hblank_end = 139, .hblank_start = 859, .htotal = 863, .progressive = true, .trilevel_sync = false, .vsync_start_f1 = 10, .vsync_start_f2 = 10, .vsync_len = 10, .veq_ena = false, .vi_end_f1 = 48, .vi_end_f2 = 48, .nbr_end = 575, .burst_ena = false, .filter_table = filter_table, }, { .name = "720p@60Hz", .clock = 148800, .refresh = 60000, .oversample = TV_OVERSAMPLE_2X, .component_only = 1, .hsync_end = 80, .hblank_end = 300, .hblank_start = 1580, .htotal = 1649, .progressive = true, .trilevel_sync = true, .vsync_start_f1 = 10, .vsync_start_f2 = 10, .vsync_len = 10, .veq_ena = false, .vi_end_f1 = 29, .vi_end_f2 = 29, .nbr_end = 719, .burst_ena = false, .filter_table = filter_table, }, { .name = "720p@50Hz", .clock = 148800, .refresh = 50000, .oversample = TV_OVERSAMPLE_2X, .component_only = 1, .hsync_end = 80, .hblank_end = 300, .hblank_start = 1580, .htotal = 1979, .progressive = true, .trilevel_sync = true, .vsync_start_f1 = 10, .vsync_start_f2 = 10, .vsync_len = 10, .veq_ena = false, .vi_end_f1 = 29, .vi_end_f2 = 29, .nbr_end = 719, .burst_ena = false, .filter_table = filter_table, .max_srcw = 800 }, { .name = "1080i@50Hz", .clock = 148800, .refresh = 50000, .oversample = TV_OVERSAMPLE_2X, .component_only = 1, .hsync_end = 88, .hblank_end = 235, .hblank_start = 2155, .htotal = 2639, .progressive = false, .trilevel_sync = true, .vsync_start_f1 = 4, .vsync_start_f2 = 5, .vsync_len = 10, .veq_ena = true, .veq_start_f1 = 4, .veq_start_f2 = 4, .veq_len = 10, .vi_end_f1 = 21, .vi_end_f2 = 22, .nbr_end = 539, .burst_ena = false, .filter_table = filter_table, }, { .name = "1080i@60Hz", .clock = 148800, .refresh = 60000, .oversample = TV_OVERSAMPLE_2X, .component_only = 1, .hsync_end = 88, .hblank_end = 235, .hblank_start = 2155, .htotal = 2199, .progressive = false, .trilevel_sync = true, .vsync_start_f1 = 4, .vsync_start_f2 = 5, .vsync_len = 10, .veq_ena = true, .veq_start_f1 = 4, .veq_start_f2 = 4, .veq_len = 10, .vi_end_f1 = 21, .vi_end_f2 = 22, .nbr_end = 539, .burst_ena = false, .filter_table = filter_table, }, }; static struct intel_tv *enc_to_tv(struct intel_encoder *encoder) { return container_of(encoder, struct intel_tv, base); } static struct intel_tv *intel_attached_tv(struct drm_connector *connector) { return enc_to_tv(intel_attached_encoder(connector)); } static bool intel_tv_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe) { struct drm_device *dev = encoder->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); u32 tmp = I915_READ(TV_CTL); if (!(tmp & TV_ENC_ENABLE)) return false; *pipe = PORT_TO_PIPE(tmp); return true; } static void intel_enable_tv(struct intel_encoder *encoder, const struct intel_crtc_state *pipe_config, const struct drm_connector_state *conn_state) { struct drm_device *dev = encoder->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); /* Prevents vblank waits from timing out in intel_tv_detect_type() */ intel_wait_for_vblank(dev_priv, to_intel_crtc(encoder->base.crtc)->pipe); I915_WRITE(TV_CTL, I915_READ(TV_CTL) | TV_ENC_ENABLE); } static void intel_disable_tv(struct intel_encoder *encoder, const struct intel_crtc_state *old_crtc_state, const struct drm_connector_state *old_conn_state) { struct drm_device *dev = encoder->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); I915_WRITE(TV_CTL, I915_READ(TV_CTL) & ~TV_ENC_ENABLE); } static const struct tv_mode *intel_tv_mode_find(const struct drm_connector_state *conn_state) { int format = conn_state->tv.mode; return &tv_modes[format]; } static enum drm_mode_status intel_tv_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { const struct tv_mode *tv_mode = intel_tv_mode_find(connector->state); int max_dotclk = to_i915(connector->dev)->max_dotclk_freq; if (mode->clock > max_dotclk) return MODE_CLOCK_HIGH; /* Ensure TV refresh is close to desired refresh */ if (tv_mode && abs(tv_mode->refresh - drm_mode_vrefresh(mode) * 1000) < 1000) return MODE_OK; return MODE_CLOCK_RANGE; } static void intel_tv_get_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config) { pipe_config->output_types |= BIT(INTEL_OUTPUT_TVOUT); pipe_config->base.adjusted_mode.crtc_clock = pipe_config->port_clock; } static bool intel_tv_compute_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config, struct drm_connector_state *conn_state) { const struct tv_mode *tv_mode = intel_tv_mode_find(conn_state); if (!tv_mode) return false; pipe_config->base.adjusted_mode.crtc_clock = tv_mode->clock; DRM_DEBUG_KMS("forcing bpc to 8 for TV\n"); pipe_config->pipe_bpp = 8*3; /* TV has it's own notion of sync and other mode flags, so clear them. */ pipe_config->base.adjusted_mode.flags = 0; /* * FIXME: We don't check whether the input mode is actually what we want * or whether userspace is doing something stupid. */ return true; } static void set_tv_mode_timings(struct drm_i915_private *dev_priv, const struct tv_mode *tv_mode, bool burst_ena) { u32 hctl1, hctl2, hctl3; u32 vctl1, vctl2, vctl3, vctl4, vctl5, vctl6, vctl7; hctl1 = (tv_mode->hsync_end << TV_HSYNC_END_SHIFT) | (tv_mode->htotal << TV_HTOTAL_SHIFT); hctl2 = (tv_mode->hburst_start << 16) | (tv_mode->hburst_len << TV_HBURST_LEN_SHIFT); if (burst_ena) hctl2 |= TV_BURST_ENA; hctl3 = (tv_mode->hblank_start << TV_HBLANK_START_SHIFT) | (tv_mode->hblank_end << TV_HBLANK_END_SHIFT); vctl1 = (tv_mode->nbr_end << TV_NBR_END_SHIFT) | (tv_mode->vi_end_f1 << TV_VI_END_F1_SHIFT) | (tv_mode->vi_end_f2 << TV_VI_END_F2_SHIFT); vctl2 = (tv_mode->vsync_len << TV_VSYNC_LEN_SHIFT) | (tv_mode->vsync_start_f1 << TV_VSYNC_START_F1_SHIFT) | (tv_mode->vsync_start_f2 << TV_VSYNC_START_F2_SHIFT); vctl3 = (tv_mode->veq_len << TV_VEQ_LEN_SHIFT) | (tv_mode->veq_start_f1 << TV_VEQ_START_F1_SHIFT) | (tv_mode->veq_start_f2 << TV_VEQ_START_F2_SHIFT); if (tv_mode->veq_ena) vctl3 |= TV_EQUAL_ENA; vctl4 = (tv_mode->vburst_start_f1 << TV_VBURST_START_F1_SHIFT) | (tv_mode->vburst_end_f1 << TV_VBURST_END_F1_SHIFT); vctl5 = (tv_mode->vburst_start_f2 << TV_VBURST_START_F2_SHIFT) | (tv_mode->vburst_end_f2 << TV_VBURST_END_F2_SHIFT); vctl6 = (tv_mode->vburst_start_f3 << TV_VBURST_START_F3_SHIFT) | (tv_mode->vburst_end_f3 << TV_VBURST_END_F3_SHIFT); vctl7 = (tv_mode->vburst_start_f4 << TV_VBURST_START_F4_SHIFT) | (tv_mode->vburst_end_f4 << TV_VBURST_END_F4_SHIFT); I915_WRITE(TV_H_CTL_1, hctl1); I915_WRITE(TV_H_CTL_2, hctl2); I915_WRITE(TV_H_CTL_3, hctl3); I915_WRITE(TV_V_CTL_1, vctl1); I915_WRITE(TV_V_CTL_2, vctl2); I915_WRITE(TV_V_CTL_3, vctl3); I915_WRITE(TV_V_CTL_4, vctl4); I915_WRITE(TV_V_CTL_5, vctl5); I915_WRITE(TV_V_CTL_6, vctl6); I915_WRITE(TV_V_CTL_7, vctl7); } static void set_color_conversion(struct drm_i915_private *dev_priv, const struct color_conversion *color_conversion) { if (!color_conversion) return; I915_WRITE(TV_CSC_Y, (color_conversion->ry << 16) | color_conversion->gy); I915_WRITE(TV_CSC_Y2, (color_conversion->by << 16) | color_conversion->ay); I915_WRITE(TV_CSC_U, (color_conversion->ru << 16) | color_conversion->gu); I915_WRITE(TV_CSC_U2, (color_conversion->bu << 16) | color_conversion->au); I915_WRITE(TV_CSC_V, (color_conversion->rv << 16) | color_conversion->gv); I915_WRITE(TV_CSC_V2, (color_conversion->bv << 16) | color_conversion->av); } static void intel_tv_pre_enable(struct intel_encoder *encoder, const struct intel_crtc_state *pipe_config, const struct drm_connector_state *conn_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc); struct intel_tv *intel_tv = enc_to_tv(encoder); const struct tv_mode *tv_mode = intel_tv_mode_find(conn_state); u32 tv_ctl; u32 scctl1, scctl2, scctl3; int i, j; const struct video_levels *video_levels; const struct color_conversion *color_conversion; bool burst_ena; int xpos = 0x0, ypos = 0x0; unsigned int xsize, ysize; if (!tv_mode) return; /* can't happen (mode_prepare prevents this) */ tv_ctl = I915_READ(TV_CTL); tv_ctl &= TV_CTL_SAVE; switch (intel_tv->type) { default: case DRM_MODE_CONNECTOR_Unknown: case DRM_MODE_CONNECTOR_Composite: tv_ctl |= TV_ENC_OUTPUT_COMPOSITE; video_levels = tv_mode->composite_levels; color_conversion = tv_mode->composite_color; burst_ena = tv_mode->burst_ena; break; case DRM_MODE_CONNECTOR_Component: tv_ctl |= TV_ENC_OUTPUT_COMPONENT; video_levels = &component_levels; if (tv_mode->burst_ena) color_conversion = &sdtv_csc_yprpb; else color_conversion = &hdtv_csc_yprpb; burst_ena = false; break; case DRM_MODE_CONNECTOR_SVIDEO: tv_ctl |= TV_ENC_OUTPUT_SVIDEO; video_levels = tv_mode->svideo_levels; color_conversion = tv_mode->svideo_color; burst_ena = tv_mode->burst_ena; break; } if (intel_crtc->pipe == 1) tv_ctl |= TV_ENC_PIPEB_SELECT; tv_ctl |= tv_mode->oversample; if (tv_mode->progressive) tv_ctl |= TV_PROGRESSIVE; if (tv_mode->trilevel_sync) tv_ctl |= TV_TRILEVEL_SYNC; if (tv_mode->pal_burst) tv_ctl |= TV_PAL_BURST; scctl1 = 0; if (tv_mode->dda1_inc) scctl1 |= TV_SC_DDA1_EN; if (tv_mode->dda2_inc) scctl1 |= TV_SC_DDA2_EN; if (tv_mode->dda3_inc) scctl1 |= TV_SC_DDA3_EN; scctl1 |= tv_mode->sc_reset; if (video_levels) scctl1 |= video_levels->burst << TV_BURST_LEVEL_SHIFT; scctl1 |= tv_mode->dda1_inc << TV_SCDDA1_INC_SHIFT; scctl2 = tv_mode->dda2_size << TV_SCDDA2_SIZE_SHIFT | tv_mode->dda2_inc << TV_SCDDA2_INC_SHIFT; scctl3 = tv_mode->dda3_size << TV_SCDDA3_SIZE_SHIFT | tv_mode->dda3_inc << TV_SCDDA3_INC_SHIFT; /* Enable two fixes for the chips that need them. */ if (IS_I915GM(dev_priv)) tv_ctl |= TV_ENC_C0_FIX | TV_ENC_SDP_FIX; set_tv_mode_timings(dev_priv, tv_mode, burst_ena); I915_WRITE(TV_SC_CTL_1, scctl1); I915_WRITE(TV_SC_CTL_2, scctl2); I915_WRITE(TV_SC_CTL_3, scctl3); set_color_conversion(dev_priv, color_conversion); if (INTEL_GEN(dev_priv) >= 4) I915_WRITE(TV_CLR_KNOBS, 0x00404000); else I915_WRITE(TV_CLR_KNOBS, 0x00606000); if (video_levels) I915_WRITE(TV_CLR_LEVEL, ((video_levels->black << TV_BLACK_LEVEL_SHIFT) | (video_levels->blank << TV_BLANK_LEVEL_SHIFT))); assert_pipe_disabled(dev_priv, intel_crtc->pipe); /* Filter ctl must be set before TV_WIN_SIZE */ I915_WRITE(TV_FILTER_CTL_1, TV_AUTO_SCALE); xsize = tv_mode->hblank_start - tv_mode->hblank_end; if (tv_mode->progressive) ysize = tv_mode->nbr_end + 1; else ysize = 2*tv_mode->nbr_end + 1; xpos += conn_state->tv.margins.left; ypos += conn_state->tv.margins.top; xsize -= (conn_state->tv.margins.left + conn_state->tv.margins.right); ysize -= (conn_state->tv.margins.top + conn_state->tv.margins.bottom); I915_WRITE(TV_WIN_POS, (xpos<<16)|ypos); I915_WRITE(TV_WIN_SIZE, (xsize<<16)|ysize); j = 0; for (i = 0; i < 60; i++) I915_WRITE(TV_H_LUMA(i), tv_mode->filter_table[j++]); for (i = 0; i < 60; i++) I915_WRITE(TV_H_CHROMA(i), tv_mode->filter_table[j++]); for (i = 0; i < 43; i++) I915_WRITE(TV_V_LUMA(i), tv_mode->filter_table[j++]); for (i = 0; i < 43; i++) I915_WRITE(TV_V_CHROMA(i), tv_mode->filter_table[j++]); I915_WRITE(TV_DAC, I915_READ(TV_DAC) & TV_DAC_SAVE); I915_WRITE(TV_CTL, tv_ctl); } static const struct drm_display_mode reported_modes[] = { { .name = "NTSC 480i", .clock = 107520, .hdisplay = 1280, .hsync_start = 1368, .hsync_end = 1496, .htotal = 1712, .vdisplay = 1024, .vsync_start = 1027, .vsync_end = 1034, .vtotal = 1104, .type = DRM_MODE_TYPE_DRIVER, }, }; /** * Detects TV presence by checking for load. * * Requires that the current pipe's DPLL is active. * \return true if TV is connected. * \return false if TV is disconnected. */ static int intel_tv_detect_type(struct intel_tv *intel_tv, struct drm_connector *connector) { struct drm_crtc *crtc = connector->state->crtc; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); struct drm_device *dev = connector->dev; struct drm_i915_private *dev_priv = to_i915(dev); u32 tv_ctl, save_tv_ctl; u32 tv_dac, save_tv_dac; int type; /* Disable TV interrupts around load detect or we'll recurse */ if (connector->polled & DRM_CONNECTOR_POLL_HPD) { spin_lock_irq(&dev_priv->irq_lock); i915_disable_pipestat(dev_priv, 0, PIPE_HOTPLUG_INTERRUPT_STATUS | PIPE_HOTPLUG_TV_INTERRUPT_STATUS); spin_unlock_irq(&dev_priv->irq_lock); } save_tv_dac = tv_dac = I915_READ(TV_DAC); save_tv_ctl = tv_ctl = I915_READ(TV_CTL); /* Poll for TV detection */ tv_ctl &= ~(TV_ENC_ENABLE | TV_TEST_MODE_MASK); tv_ctl |= TV_TEST_MODE_MONITOR_DETECT; if (intel_crtc->pipe == 1) tv_ctl |= TV_ENC_PIPEB_SELECT; else tv_ctl &= ~TV_ENC_PIPEB_SELECT; tv_dac &= ~(TVDAC_SENSE_MASK | DAC_A_MASK | DAC_B_MASK | DAC_C_MASK); tv_dac |= (TVDAC_STATE_CHG_EN | TVDAC_A_SENSE_CTL | TVDAC_B_SENSE_CTL | TVDAC_C_SENSE_CTL | DAC_CTL_OVERRIDE | DAC_A_0_7_V | DAC_B_0_7_V | DAC_C_0_7_V); /* * The TV sense state should be cleared to zero on cantiga platform. Otherwise * the TV is misdetected. This is hardware requirement. */ if (IS_GM45(dev_priv)) tv_dac &= ~(TVDAC_STATE_CHG_EN | TVDAC_A_SENSE_CTL | TVDAC_B_SENSE_CTL | TVDAC_C_SENSE_CTL); I915_WRITE(TV_CTL, tv_ctl); I915_WRITE(TV_DAC, tv_dac); POSTING_READ(TV_DAC); intel_wait_for_vblank(dev_priv, intel_crtc->pipe); type = -1; tv_dac = I915_READ(TV_DAC); DRM_DEBUG_KMS("TV detected: %x, %x\n", tv_ctl, tv_dac); /* * A B C * 0 1 1 Composite * 1 0 X svideo * 0 0 0 Component */ if ((tv_dac & TVDAC_SENSE_MASK) == (TVDAC_B_SENSE | TVDAC_C_SENSE)) { DRM_DEBUG_KMS("Detected Composite TV connection\n"); type = DRM_MODE_CONNECTOR_Composite; } else if ((tv_dac & (TVDAC_A_SENSE|TVDAC_B_SENSE)) == TVDAC_A_SENSE) { DRM_DEBUG_KMS("Detected S-Video TV connection\n"); type = DRM_MODE_CONNECTOR_SVIDEO; } else if ((tv_dac & TVDAC_SENSE_MASK) == 0) { DRM_DEBUG_KMS("Detected Component TV connection\n"); type = DRM_MODE_CONNECTOR_Component; } else { DRM_DEBUG_KMS("Unrecognised TV connection\n"); type = -1; } I915_WRITE(TV_DAC, save_tv_dac & ~TVDAC_STATE_CHG_EN); I915_WRITE(TV_CTL, save_tv_ctl); POSTING_READ(TV_CTL); /* For unknown reasons the hw barfs if we don't do this vblank wait. */ intel_wait_for_vblank(dev_priv, intel_crtc->pipe); /* Restore interrupt config */ if (connector->polled & DRM_CONNECTOR_POLL_HPD) { spin_lock_irq(&dev_priv->irq_lock); i915_enable_pipestat(dev_priv, 0, PIPE_HOTPLUG_INTERRUPT_STATUS | PIPE_HOTPLUG_TV_INTERRUPT_STATUS); spin_unlock_irq(&dev_priv->irq_lock); } return type; } /* * Here we set accurate tv format according to connector type * i.e Component TV should not be assigned by NTSC or PAL */ static void intel_tv_find_better_format(struct drm_connector *connector) { struct intel_tv *intel_tv = intel_attached_tv(connector); const struct tv_mode *tv_mode = intel_tv_mode_find(connector->state); int i; if ((intel_tv->type == DRM_MODE_CONNECTOR_Component) == tv_mode->component_only) return; for (i = 0; i < ARRAY_SIZE(tv_modes); i++) { tv_mode = tv_modes + i; if ((intel_tv->type == DRM_MODE_CONNECTOR_Component) == tv_mode->component_only) break; } connector->state->tv.mode = i; } /** * Detect the TV connection. * * Currently this always returns CONNECTOR_STATUS_UNKNOWN, as we need to be sure * we have a pipe programmed in order to probe the TV. */ static int intel_tv_detect(struct drm_connector *connector, struct drm_modeset_acquire_ctx *ctx, bool force) { struct drm_display_mode mode; struct intel_tv *intel_tv = intel_attached_tv(connector); enum drm_connector_status status; int type; DRM_DEBUG_KMS("[CONNECTOR:%d:%s] force=%d\n", connector->base.id, connector->name, force); mode = reported_modes[0]; if (force) { struct intel_load_detect_pipe tmp; int ret; ret = intel_get_load_detect_pipe(connector, &mode, &tmp, ctx); if (ret < 0) return ret; if (ret > 0) { type = intel_tv_detect_type(intel_tv, connector); intel_release_load_detect_pipe(connector, &tmp, ctx); status = type < 0 ? connector_status_disconnected : connector_status_connected; } else status = connector_status_unknown; if (status == connector_status_connected) { intel_tv->type = type; intel_tv_find_better_format(connector); } return status; } else return connector->status; } static const struct input_res { const char *name; int w, h; } input_res_table[] = { {"640x480", 640, 480}, {"800x600", 800, 600}, {"1024x768", 1024, 768}, {"1280x1024", 1280, 1024}, {"848x480", 848, 480}, {"1280x720", 1280, 720}, {"1920x1080", 1920, 1080}, }; /* * Chose preferred mode according to line number of TV format */ static void intel_tv_choose_preferred_modes(const struct tv_mode *tv_mode, struct drm_display_mode *mode_ptr) { if (tv_mode->nbr_end < 480 && mode_ptr->vdisplay == 480) mode_ptr->type |= DRM_MODE_TYPE_PREFERRED; else if (tv_mode->nbr_end > 480) { if (tv_mode->progressive == true && tv_mode->nbr_end < 720) { if (mode_ptr->vdisplay == 720) mode_ptr->type |= DRM_MODE_TYPE_PREFERRED; } else if (mode_ptr->vdisplay == 1080) mode_ptr->type |= DRM_MODE_TYPE_PREFERRED; } } /** * Stub get_modes function. * * This should probably return a set of fixed modes, unless we can figure out * how to probe modes off of TV connections. */ static int intel_tv_get_modes(struct drm_connector *connector) { struct drm_display_mode *mode_ptr; const struct tv_mode *tv_mode = intel_tv_mode_find(connector->state); int j, count = 0; u64 tmp; for (j = 0; j < ARRAY_SIZE(input_res_table); j++) { const struct input_res *input = &input_res_table[j]; unsigned int hactive_s = input->w; unsigned int vactive_s = input->h; if (tv_mode->max_srcw && input->w > tv_mode->max_srcw) continue; if (input->w > 1024 && (!tv_mode->progressive && !tv_mode->component_only)) continue; mode_ptr = drm_mode_create(connector->dev); if (!mode_ptr) continue; strncpy(mode_ptr->name, input->name, DRM_DISPLAY_MODE_LEN); mode_ptr->name[DRM_DISPLAY_MODE_LEN - 1] = '\0'; mode_ptr->hdisplay = hactive_s; mode_ptr->hsync_start = hactive_s + 1; mode_ptr->hsync_end = hactive_s + 64; if (mode_ptr->hsync_end <= mode_ptr->hsync_start) mode_ptr->hsync_end = mode_ptr->hsync_start + 1; mode_ptr->htotal = hactive_s + 96; mode_ptr->vdisplay = vactive_s; mode_ptr->vsync_start = vactive_s + 1; mode_ptr->vsync_end = vactive_s + 32; if (mode_ptr->vsync_end <= mode_ptr->vsync_start) mode_ptr->vsync_end = mode_ptr->vsync_start + 1; mode_ptr->vtotal = vactive_s + 33; tmp = mul_u32_u32(tv_mode->refresh, mode_ptr->vtotal); tmp *= mode_ptr->htotal; tmp = div_u64(tmp, 1000000); mode_ptr->clock = (int) tmp; mode_ptr->type = DRM_MODE_TYPE_DRIVER; intel_tv_choose_preferred_modes(tv_mode, mode_ptr); drm_mode_probed_add(connector, mode_ptr); count++; } return count; } static void intel_tv_destroy(struct drm_connector *connector) { drm_connector_cleanup(connector); kfree(connector); } static const struct drm_connector_funcs intel_tv_connector_funcs = { .late_register = intel_connector_register, .early_unregister = intel_connector_unregister, .destroy = intel_tv_destroy, .fill_modes = drm_helper_probe_single_connector_modes, .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, }; static int intel_tv_atomic_check(struct drm_connector *connector, struct drm_connector_state *new_state) { struct drm_crtc_state *new_crtc_state; struct drm_connector_state *old_state; if (!new_state->crtc) return 0; old_state = drm_atomic_get_old_connector_state(new_state->state, connector); new_crtc_state = drm_atomic_get_new_crtc_state(new_state->state, new_state->crtc); if (old_state->tv.mode != new_state->tv.mode || old_state->tv.margins.left != new_state->tv.margins.left || old_state->tv.margins.right != new_state->tv.margins.right || old_state->tv.margins.top != new_state->tv.margins.top || old_state->tv.margins.bottom != new_state->tv.margins.bottom) { /* Force a modeset. */ new_crtc_state->connectors_changed = true; } return 0; } static const struct drm_connector_helper_funcs intel_tv_connector_helper_funcs = { .detect_ctx = intel_tv_detect, .mode_valid = intel_tv_mode_valid, .get_modes = intel_tv_get_modes, .atomic_check = intel_tv_atomic_check, }; static const struct drm_encoder_funcs intel_tv_enc_funcs = { .destroy = intel_encoder_destroy, }; void intel_tv_init(struct drm_i915_private *dev_priv) { struct drm_device *dev = &dev_priv->drm; struct drm_connector *connector; struct intel_tv *intel_tv; struct intel_encoder *intel_encoder; struct intel_connector *intel_connector; u32 tv_dac_on, tv_dac_off, save_tv_dac; const char *tv_format_names[ARRAY_SIZE(tv_modes)]; int i, initial_mode = 0; struct drm_connector_state *state; if ((I915_READ(TV_CTL) & TV_FUSE_STATE_MASK) == TV_FUSE_STATE_DISABLED) return; if (!intel_bios_is_tv_present(dev_priv)) { DRM_DEBUG_KMS("Integrated TV is not present.\n"); return; } /* * Sanity check the TV output by checking to see if the * DAC register holds a value */ save_tv_dac = I915_READ(TV_DAC); I915_WRITE(TV_DAC, save_tv_dac | TVDAC_STATE_CHG_EN); tv_dac_on = I915_READ(TV_DAC); I915_WRITE(TV_DAC, save_tv_dac & ~TVDAC_STATE_CHG_EN); tv_dac_off = I915_READ(TV_DAC); I915_WRITE(TV_DAC, save_tv_dac); /* * If the register does not hold the state change enable * bit, (either as a 0 or a 1), assume it doesn't really * exist */ if ((tv_dac_on & TVDAC_STATE_CHG_EN) == 0 || (tv_dac_off & TVDAC_STATE_CHG_EN) != 0) return; intel_tv = kzalloc(sizeof(*intel_tv), GFP_KERNEL); if (!intel_tv) { return; } intel_connector = intel_connector_alloc(); if (!intel_connector) { kfree(intel_tv); return; } intel_encoder = &intel_tv->base; connector = &intel_connector->base; state = connector->state; /* The documentation, for the older chipsets at least, recommend * using a polling method rather than hotplug detection for TVs. * This is because in order to perform the hotplug detection, the PLLs * for the TV must be kept alive increasing power drain and starving * bandwidth from other encoders. Notably for instance, it causes * pipe underruns on Crestline when this encoder is supposedly idle. * * More recent chipsets favour HDMI rather than integrated S-Video. */ intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT; drm_connector_init(dev, connector, &intel_tv_connector_funcs, DRM_MODE_CONNECTOR_SVIDEO); drm_encoder_init(dev, &intel_encoder->base, &intel_tv_enc_funcs, DRM_MODE_ENCODER_TVDAC, "TV"); intel_encoder->compute_config = intel_tv_compute_config; intel_encoder->get_config = intel_tv_get_config; intel_encoder->pre_enable = intel_tv_pre_enable; intel_encoder->enable = intel_enable_tv; intel_encoder->disable = intel_disable_tv; intel_encoder->get_hw_state = intel_tv_get_hw_state; intel_connector->get_hw_state = intel_connector_get_hw_state; intel_connector_attach_encoder(intel_connector, intel_encoder); intel_encoder->type = INTEL_OUTPUT_TVOUT; intel_encoder->power_domain = POWER_DOMAIN_PORT_OTHER; intel_encoder->port = PORT_NONE; intel_encoder->crtc_mask = (1 << 0) | (1 << 1); intel_encoder->cloneable = 0; intel_encoder->base.possible_crtcs = ((1 << 0) | (1 << 1)); intel_tv->type = DRM_MODE_CONNECTOR_Unknown; /* BIOS margin values */ state->tv.margins.left = 54; state->tv.margins.top = 36; state->tv.margins.right = 46; state->tv.margins.bottom = 37; state->tv.mode = initial_mode; drm_connector_helper_add(connector, &intel_tv_connector_helper_funcs); connector->interlace_allowed = false; connector->doublescan_allowed = false; /* Create TV properties then attach current values */ for (i = 0; i < ARRAY_SIZE(tv_modes); i++) tv_format_names[i] = tv_modes[i].name; drm_mode_create_tv_properties(dev, ARRAY_SIZE(tv_modes), tv_format_names); drm_object_attach_property(&connector->base, dev->mode_config.tv_mode_property, state->tv.mode); drm_object_attach_property(&connector->base, dev->mode_config.tv_left_margin_property, state->tv.margins.left); drm_object_attach_property(&connector->base, dev->mode_config.tv_top_margin_property, state->tv.margins.top); drm_object_attach_property(&connector->base, dev->mode_config.tv_right_margin_property, state->tv.margins.right); drm_object_attach_property(&connector->base, dev->mode_config.tv_bottom_margin_property, state->tv.margins.bottom); }