diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_tv.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_tv.c | 1725 |
1 files changed, 1725 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c new file mode 100644 index 0000000..fbb35dc --- /dev/null +++ b/drivers/gpu/drm/i915/intel_tv.c @@ -0,0 +1,1725 @@ +/* + * Copyright © 2006-2008 Intel Corporation + * Jesse Barnes <jesse.barnes@intel.com> + * + * 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 <eric@anholt.net> + * + */ + +/** @file + * Integrated TV-out support for the 915GM and 945GM. + */ + +#include "drmP.h" +#include "drm.h" +#include "drm_crtc.h" +#include "drm_edid.h" +#include "intel_drv.h" +#include "i915_drm.h" +#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_priv { + int type; + char *tv_format; + int margin[4]; + u32 save_TV_H_CTL_1; + u32 save_TV_H_CTL_2; + u32 save_TV_H_CTL_3; + u32 save_TV_V_CTL_1; + u32 save_TV_V_CTL_2; + u32 save_TV_V_CTL_3; + u32 save_TV_V_CTL_4; + u32 save_TV_V_CTL_5; + u32 save_TV_V_CTL_6; + u32 save_TV_V_CTL_7; + u32 save_TV_SC_CTL_1, save_TV_SC_CTL_2, save_TV_SC_CTL_3; + + u32 save_TV_CSC_Y; + u32 save_TV_CSC_Y2; + u32 save_TV_CSC_U; + u32 save_TV_CSC_U2; + u32 save_TV_CSC_V; + u32 save_TV_CSC_V2; + u32 save_TV_CLR_KNOBS; + u32 save_TV_CLR_LEVEL; + u32 save_TV_WIN_POS; + u32 save_TV_WIN_SIZE; + u32 save_TV_FILTER_CTL_1; + u32 save_TV_FILTER_CTL_2; + u32 save_TV_FILTER_CTL_3; + + u32 save_TV_H_LUMA[60]; + u32 save_TV_H_CHROMA[60]; + u32 save_TV_V_LUMA[43]; + u32 save_TV_V_CHROMA[43]; + + u32 save_TV_DAC; + u32 save_TV_CTL; +}; + +struct video_levels { + int blank, black, 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 = 0x0f00, + .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0f00, +}; + +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 = 0x0134, + .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0f00, + .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0f00, +}; + +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 = 0x0f00, + .rv = 0x035a, .gv = 0x0322, .bv = 0x06e1, .av = 0x0f00, +}; + +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 = 0x0f00, + .rv = 0x0399, .gv = 0x0356, .bv = 0x070a, .av = 0x0f00, +}; + +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 = 0x0f00, + .rv = 0x0353, .gv = 0x031c, .bv = 0x06dc, .av = 0x0f00, +}; + +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 = 0x0f00, + .rv = 0x0390, .gv = 0x034f, .bv = 0x0705, .av = 0x0f00, +}; + +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 = 0x0f00, + .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0f00, +}; + +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 = 0x0134, + .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0f00, + .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0f00, +}; + +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 = 0x0f00, + .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0f00, +}; + +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 = 0x0134, + .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0f00, + .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0f00, +}; + +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 = 0x0146, + .ru = 0x0559, .gu = 0x0353, .bu = 0x0100, .au = 0x0f00, + .rv = 0x0100, .gv = 0x03ad, .bv = 0x074d, .av = 0x0f00, +}; + +static const struct color_conversion sdtv_csc_rgb = { + .ry = 0x0000, .gy = 0x0f00, .by = 0x0000, .ay = 0x0166, + .ru = 0x0000, .gu = 0x0000, .bu = 0x0f00, .au = 0x0166, + .rv = 0x0f00, .gv = 0x0000, .bv = 0x0000, .av = 0x0166, +}; + +static const struct color_conversion hdtv_csc_yprpb = { + .ry = 0x05b3, .gy = 0x016e, .by = 0x0728, .ay = 0x0146, + .ru = 0x07d5, .gu = 0x038b, .bu = 0x0100, .au = 0x0f00, + .rv = 0x0100, .gv = 0x03d1, .bv = 0x06bc, .av = 0x0f00, +}; + +static const struct color_conversion hdtv_csc_rgb = { + .ry = 0x0000, .gy = 0x0f00, .by = 0x0000, .ay = 0x0166, + .ru = 0x0000, .gu = 0x0000, .bu = 0x0f00, .au = 0x0166, + .rv = 0x0f00, .gv = 0x0000, .bv = 0x0000, .av = 0x0166, +}; + +static const struct video_levels component_levels = { + .blank = 279, .black = 279, .burst = 0, +}; + + +struct tv_mode { + char *name; + int clock; + int refresh; /* in millihertz (for precision) */ + u32 oversample; + int hsync_end, hblank_start, hblank_end, htotal; + bool progressive, trilevel_sync, component_only; + int vsync_start_f1, vsync_start_f2, vsync_len; + bool veq_ena; + int veq_start_f1, veq_start_f2, veq_len; + int vi_end_f1, vi_end_f2, nbr_end; + bool burst_ena; + int hburst_start, hburst_len; + int vburst_start_f1, vburst_end_f1; + int vburst_start_f2, vburst_end_f2; + int vburst_start_f3, vburst_end_f3; + int vburst_start_f4, vburst_end_f4; + /* + * subcarrier programming + */ + int dda2_size, dda3_size, dda1_inc, dda2_inc, dda3_inc; + u32 sc_reset; + bool pal_burst; + /* + * blank/black levels + */ + const struct video_levels *composite_levels, *svideo_levels; + const struct color_conversion *composite_color, *svideo_color; + const u32 *filter_table; + int 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. + */ + +const static struct tv_mode tv_modes[] = { + { + .name = "NTSC-M", + .clock = 107520, + .refresh = 29970, + .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 = 136, + .dda2_inc = 7624, .dda2_size = 20013, + .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 = 107520, + .refresh = 29970, + .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 = 8, + .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 = 18557, .dda2_size = 20625, + .dda3_inc = 0, .dda3_size = 0, + .sc_reset = TV_SC_RESET_EVERY_8, + .pal_burst = true, + + .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 = 107520, + .refresh = 29970, + .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 = 136, + .dda2_inc = 7624, .dda2_size = 20013, + .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 = 107520, + .refresh = 29970, + .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 = 136, + .dda2_inc = 7624, .dda2_size = 20013, + .dda3_inc = 0, .dda3_size = 0, + .sc_reset = TV_SC_RESET_EVERY_4, + .pal_burst = false, + + .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 = 107520, + .refresh = 25000, + .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 = 168, + .dda2_inc = 18557, .dda2_size = 20625, + .dda3_inc = 0, .dda3_size = 0, + .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 = 107520, + .refresh = 25000, + .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 = 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 = 18557, .dda2_size = 20625, + .dda3_inc = 0, .dda3_size = 0, + .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@59.94Hz", + .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 = 496, + + .burst_ena = false, + + .filter_table = filter_table, + }, + { + .name = "480p@60Hz", + .clock = 107520, + .refresh = 60000, + .oversample = TV_OVERSAMPLE_4X, + .component_only = 1, + + .hsync_end = 64, .hblank_end = 122, + .hblank_start = 842, .htotal = 856, + + .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 = 496, + + .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@59.94Hz", + .clock = 148800, + .refresh = 59940, + .oversample = TV_OVERSAMPLE_2X, + .component_only = 1, + + .hsync_end = 80, .hblank_end = 300, + .hblank_start = 1580, .htotal = 1651, + + .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 = 25000, + .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 = 30000, + .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, + }, + { + .name = "1080i@59.94Hz", + .clock = 148800, + .refresh = 29970, + .oversample = TV_OVERSAMPLE_2X, + .component_only = 1, + + .hsync_end = 88, .hblank_end = 235, + .hblank_start = 2155, .htotal = 2200, + + .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, + }, +}; + +#define NUM_TV_MODES sizeof(tv_modes) / sizeof (tv_modes[0]) + +static void +intel_tv_dpms(struct drm_encoder *encoder, int mode) +{ + struct drm_device *dev = encoder->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + + switch(mode) { + case DRM_MODE_DPMS_ON: + I915_WRITE(TV_CTL, I915_READ(TV_CTL) | TV_ENC_ENABLE); + break; + case DRM_MODE_DPMS_STANDBY: + case DRM_MODE_DPMS_SUSPEND: + case DRM_MODE_DPMS_OFF: + I915_WRITE(TV_CTL, I915_READ(TV_CTL) & ~TV_ENC_ENABLE); + break; + } +} + +static void +intel_tv_save(struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_output *intel_output = to_intel_output(connector); + struct intel_tv_priv *tv_priv = intel_output->dev_priv; + int i; + + tv_priv->save_TV_H_CTL_1 = I915_READ(TV_H_CTL_1); + tv_priv->save_TV_H_CTL_2 = I915_READ(TV_H_CTL_2); + tv_priv->save_TV_H_CTL_3 = I915_READ(TV_H_CTL_3); + tv_priv->save_TV_V_CTL_1 = I915_READ(TV_V_CTL_1); + tv_priv->save_TV_V_CTL_2 = I915_READ(TV_V_CTL_2); + tv_priv->save_TV_V_CTL_3 = I915_READ(TV_V_CTL_3); + tv_priv->save_TV_V_CTL_4 = I915_READ(TV_V_CTL_4); + tv_priv->save_TV_V_CTL_5 = I915_READ(TV_V_CTL_5); + tv_priv->save_TV_V_CTL_6 = I915_READ(TV_V_CTL_6); + tv_priv->save_TV_V_CTL_7 = I915_READ(TV_V_CTL_7); + tv_priv->save_TV_SC_CTL_1 = I915_READ(TV_SC_CTL_1); + tv_priv->save_TV_SC_CTL_2 = I915_READ(TV_SC_CTL_2); + tv_priv->save_TV_SC_CTL_3 = I915_READ(TV_SC_CTL_3); + + tv_priv->save_TV_CSC_Y = I915_READ(TV_CSC_Y); + tv_priv->save_TV_CSC_Y2 = I915_READ(TV_CSC_Y2); + tv_priv->save_TV_CSC_U = I915_READ(TV_CSC_U); + tv_priv->save_TV_CSC_U2 = I915_READ(TV_CSC_U2); + tv_priv->save_TV_CSC_V = I915_READ(TV_CSC_V); + tv_priv->save_TV_CSC_V2 = I915_READ(TV_CSC_V2); + tv_priv->save_TV_CLR_KNOBS = I915_READ(TV_CLR_KNOBS); + tv_priv->save_TV_CLR_LEVEL = I915_READ(TV_CLR_LEVEL); + tv_priv->save_TV_WIN_POS = I915_READ(TV_WIN_POS); + tv_priv->save_TV_WIN_SIZE = I915_READ(TV_WIN_SIZE); + tv_priv->save_TV_FILTER_CTL_1 = I915_READ(TV_FILTER_CTL_1); + tv_priv->save_TV_FILTER_CTL_2 = I915_READ(TV_FILTER_CTL_2); + tv_priv->save_TV_FILTER_CTL_3 = I915_READ(TV_FILTER_CTL_3); + + for (i = 0; i < 60; i++) + tv_priv->save_TV_H_LUMA[i] = I915_READ(TV_H_LUMA_0 + (i <<2)); + for (i = 0; i < 60; i++) + tv_priv->save_TV_H_CHROMA[i] = I915_READ(TV_H_CHROMA_0 + (i <<2)); + for (i = 0; i < 43; i++) + tv_priv->save_TV_V_LUMA[i] = I915_READ(TV_V_LUMA_0 + (i <<2)); + for (i = 0; i < 43; i++) + tv_priv->save_TV_V_CHROMA[i] = I915_READ(TV_V_CHROMA_0 + (i <<2)); + + tv_priv->save_TV_DAC = I915_READ(TV_DAC); + tv_priv->save_TV_CTL = I915_READ(TV_CTL); +} + +static void +intel_tv_restore(struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_output *intel_output = to_intel_output(connector); + struct intel_tv_priv *tv_priv = intel_output->dev_priv; + struct drm_crtc *crtc = connector->encoder->crtc; + struct intel_crtc *intel_crtc; + int i; + + /* FIXME: No CRTC? */ + if (!crtc) + return; + + intel_crtc = to_intel_crtc(crtc); + I915_WRITE(TV_H_CTL_1, tv_priv->save_TV_H_CTL_1); + I915_WRITE(TV_H_CTL_2, tv_priv->save_TV_H_CTL_2); + I915_WRITE(TV_H_CTL_3, tv_priv->save_TV_H_CTL_3); + I915_WRITE(TV_V_CTL_1, tv_priv->save_TV_V_CTL_1); + I915_WRITE(TV_V_CTL_2, tv_priv->save_TV_V_CTL_2); + I915_WRITE(TV_V_CTL_3, tv_priv->save_TV_V_CTL_3); + I915_WRITE(TV_V_CTL_4, tv_priv->save_TV_V_CTL_4); + I915_WRITE(TV_V_CTL_5, tv_priv->save_TV_V_CTL_5); + I915_WRITE(TV_V_CTL_6, tv_priv->save_TV_V_CTL_6); + I915_WRITE(TV_V_CTL_7, tv_priv->save_TV_V_CTL_7); + I915_WRITE(TV_SC_CTL_1, tv_priv->save_TV_SC_CTL_1); + I915_WRITE(TV_SC_CTL_2, tv_priv->save_TV_SC_CTL_2); + I915_WRITE(TV_SC_CTL_3, tv_priv->save_TV_SC_CTL_3); + + I915_WRITE(TV_CSC_Y, tv_priv->save_TV_CSC_Y); + I915_WRITE(TV_CSC_Y2, tv_priv->save_TV_CSC_Y2); + I915_WRITE(TV_CSC_U, tv_priv->save_TV_CSC_U); + I915_WRITE(TV_CSC_U2, tv_priv->save_TV_CSC_U2); + I915_WRITE(TV_CSC_V, tv_priv->save_TV_CSC_V); + I915_WRITE(TV_CSC_V2, tv_priv->save_TV_CSC_V2); + I915_WRITE(TV_CLR_KNOBS, tv_priv->save_TV_CLR_KNOBS); + I915_WRITE(TV_CLR_LEVEL, tv_priv->save_TV_CLR_LEVEL); + + { + int pipeconf_reg = (intel_crtc->pipe == 0) ? + PIPEACONF : PIPEBCONF; + int dspcntr_reg = (intel_crtc->plane == 0) ? + DSPACNTR : DSPBCNTR; + int pipeconf = I915_READ(pipeconf_reg); + int dspcntr = I915_READ(dspcntr_reg); + int dspbase_reg = (intel_crtc->plane == 0) ? + DSPAADDR : DSPBADDR; + /* Pipe must be off here */ + I915_WRITE(dspcntr_reg, dspcntr & ~DISPLAY_PLANE_ENABLE); + /* Flush the plane changes */ + I915_WRITE(dspbase_reg, I915_READ(dspbase_reg)); + + if (!IS_I9XX(dev)) { + /* Wait for vblank for the disable to take effect */ + intel_wait_for_vblank(dev); + } + + I915_WRITE(pipeconf_reg, pipeconf & ~PIPEACONF_ENABLE); + /* Wait for vblank for the disable to take effect. */ + intel_wait_for_vblank(dev); + + /* Filter ctl must be set before TV_WIN_SIZE */ + I915_WRITE(TV_FILTER_CTL_1, tv_priv->save_TV_FILTER_CTL_1); + I915_WRITE(TV_FILTER_CTL_2, tv_priv->save_TV_FILTER_CTL_2); + I915_WRITE(TV_FILTER_CTL_3, tv_priv->save_TV_FILTER_CTL_3); + I915_WRITE(TV_WIN_POS, tv_priv->save_TV_WIN_POS); + I915_WRITE(TV_WIN_SIZE, tv_priv->save_TV_WIN_SIZE); + I915_WRITE(pipeconf_reg, pipeconf); + I915_WRITE(dspcntr_reg, dspcntr); + /* Flush the plane changes */ + I915_WRITE(dspbase_reg, I915_READ(dspbase_reg)); + } + + for (i = 0; i < 60; i++) + I915_WRITE(TV_H_LUMA_0 + (i <<2), tv_priv->save_TV_H_LUMA[i]); + for (i = 0; i < 60; i++) + I915_WRITE(TV_H_CHROMA_0 + (i <<2), tv_priv->save_TV_H_CHROMA[i]); + for (i = 0; i < 43; i++) + I915_WRITE(TV_V_LUMA_0 + (i <<2), tv_priv->save_TV_V_LUMA[i]); + for (i = 0; i < 43; i++) + I915_WRITE(TV_V_CHROMA_0 + (i <<2), tv_priv->save_TV_V_CHROMA[i]); + + I915_WRITE(TV_DAC, tv_priv->save_TV_DAC); + I915_WRITE(TV_CTL, tv_priv->save_TV_CTL); +} + +static const struct tv_mode * +intel_tv_mode_lookup (char *tv_format) +{ + int i; + + for (i = 0; i < sizeof(tv_modes) / sizeof (tv_modes[0]); i++) { + const struct tv_mode *tv_mode = &tv_modes[i]; + + if (!strcmp(tv_format, tv_mode->name)) + return tv_mode; + } + return NULL; +} + +static const struct tv_mode * +intel_tv_mode_find (struct intel_output *intel_output) +{ + struct intel_tv_priv *tv_priv = intel_output->dev_priv; + + return intel_tv_mode_lookup(tv_priv->tv_format); +} + +static enum drm_mode_status +intel_tv_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) +{ + struct intel_output *intel_output = to_intel_output(connector); + const struct tv_mode *tv_mode = intel_tv_mode_find(intel_output); + + /* Ensure TV refresh is close to desired refresh */ + if (tv_mode && abs(tv_mode->refresh - drm_mode_vrefresh(mode)) < 1) + return MODE_OK; + return MODE_CLOCK_RANGE; +} + + +static bool +intel_tv_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct drm_device *dev = encoder->dev; + struct drm_mode_config *drm_config = &dev->mode_config; + struct intel_output *intel_output = enc_to_intel_output(encoder); + const struct tv_mode *tv_mode = intel_tv_mode_find (intel_output); + struct drm_encoder *other_encoder; + + if (!tv_mode) + return false; + + /* FIXME: lock encoder list */ + list_for_each_entry(other_encoder, &drm_config->encoder_list, head) { + if (other_encoder != encoder && + other_encoder->crtc == encoder->crtc) + return false; + } + + adjusted_mode->clock = tv_mode->clock; + return true; +} + +static void +intel_tv_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct drm_device *dev = encoder->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_crtc *crtc = encoder->crtc; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct intel_output *intel_output = enc_to_intel_output(encoder); + struct intel_tv_priv *tv_priv = intel_output->dev_priv; + const struct tv_mode *tv_mode = intel_tv_mode_find(intel_output); + u32 tv_ctl; + u32 hctl1, hctl2, hctl3; + u32 vctl1, vctl2, vctl3, vctl4, vctl5, vctl6, vctl7; + u32 scctl1, scctl2, scctl3; + int i, j; + const struct video_levels *video_levels; + const struct color_conversion *color_conversion; + bool burst_ena; + + if (!tv_mode) + return; /* can't happen (mode_prepare prevents this) */ + + tv_ctl = 0; + + switch (tv_priv->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; + } + 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); + + 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; + /* dda1 implies valid video levels */ + if (tv_mode->dda1_inc) { + scctl1 |= TV_SC_DDA1_EN; + scctl1 |= video_levels->burst << TV_BURST_LEVEL_SHIFT; + } + + 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; + 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 (dev->pci_device < 0x2772) + tv_ctl |= TV_ENC_C0_FIX | TV_ENC_SDP_FIX; + + 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); + I915_WRITE(TV_SC_CTL_1, scctl1); + I915_WRITE(TV_SC_CTL_2, scctl2); + I915_WRITE(TV_SC_CTL_3, scctl3); + + if (color_conversion) { + 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); + } + + 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))); + { + int pipeconf_reg = (intel_crtc->pipe == 0) ? + PIPEACONF : PIPEBCONF; + int dspcntr_reg = (intel_crtc->plane == 0) ? + DSPACNTR : DSPBCNTR; + int pipeconf = I915_READ(pipeconf_reg); + int dspcntr = I915_READ(dspcntr_reg); + int dspbase_reg = (intel_crtc->plane == 0) ? + DSPAADDR : DSPBADDR; + int xpos = 0x0, ypos = 0x0; + unsigned int xsize, ysize; + /* Pipe must be off here */ + I915_WRITE(dspcntr_reg, dspcntr & ~DISPLAY_PLANE_ENABLE); + /* Flush the plane changes */ + I915_WRITE(dspbase_reg, I915_READ(dspbase_reg)); + + /* Wait for vblank for the disable to take effect */ + if (!IS_I9XX(dev)) + intel_wait_for_vblank(dev); + + I915_WRITE(pipeconf_reg, pipeconf & ~PIPEACONF_ENABLE); + /* Wait for vblank for the disable to take effect. */ + intel_wait_for_vblank(dev); + + /* 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 += tv_priv->margin[TV_MARGIN_LEFT]; + ypos += tv_priv->margin[TV_MARGIN_TOP]; + xsize -= (tv_priv->margin[TV_MARGIN_LEFT] + + tv_priv->margin[TV_MARGIN_RIGHT]); + ysize -= (tv_priv->margin[TV_MARGIN_TOP] + + tv_priv->margin[TV_MARGIN_BOTTOM]); + I915_WRITE(TV_WIN_POS, (xpos<<16)|ypos); + I915_WRITE(TV_WIN_SIZE, (xsize<<16)|ysize); + + I915_WRITE(pipeconf_reg, pipeconf); + I915_WRITE(dspcntr_reg, dspcntr); + /* Flush the plane changes */ + I915_WRITE(dspbase_reg, I915_READ(dspbase_reg)); + } + + j = 0; + for (i = 0; i < 60; i++) + I915_WRITE(TV_H_LUMA_0 + (i<<2), tv_mode->filter_table[j++]); + for (i = 0; i < 60; i++) + I915_WRITE(TV_H_CHROMA_0 + (i<<2), tv_mode->filter_table[j++]); + for (i = 0; i < 43; i++) + I915_WRITE(TV_V_LUMA_0 + (i<<2), tv_mode->filter_table[j++]); + for (i = 0; i < 43; i++) + I915_WRITE(TV_V_CHROMA_0 + (i<<2), tv_mode->filter_table[j++]); + I915_WRITE(TV_DAC, 0); + 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 drm_crtc *crtc, struct intel_output *intel_output) +{ + struct drm_encoder *encoder = &intel_output->enc; + struct drm_device *dev = encoder->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + unsigned long irqflags; + u32 tv_ctl, save_tv_ctl; + u32 tv_dac, save_tv_dac; + int type = DRM_MODE_CONNECTOR_Unknown; + + tv_dac = I915_READ(TV_DAC); + + /* Disable TV interrupts around load detect or we'll recurse */ + spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags); + i915_disable_pipestat(dev_priv, 0, PIPE_HOTPLUG_INTERRUPT_ENABLE | + PIPE_HOTPLUG_TV_INTERRUPT_ENABLE); + spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags); + + /* + * Detect TV by polling) + */ + if (intel_output->load_detect_temp) { + /* TV not currently running, prod it with destructive detect */ + save_tv_dac = tv_dac; + tv_ctl = I915_READ(TV_CTL); + save_tv_ctl = tv_ctl; + tv_ctl &= ~TV_ENC_ENABLE; + tv_ctl &= ~TV_TEST_MODE_MASK; + tv_ctl |= TV_TEST_MODE_MONITOR_DETECT; + tv_dac &= ~TVDAC_SENSE_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); + I915_WRITE(TV_CTL, tv_ctl); + I915_WRITE(TV_DAC, tv_dac); + intel_wait_for_vblank(dev); + tv_dac = I915_READ(TV_DAC); + I915_WRITE(TV_DAC, save_tv_dac); + I915_WRITE(TV_CTL, save_tv_ctl); + } + /* + * 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("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("Detected S-Video TV connection\n"); + type = DRM_MODE_CONNECTOR_SVIDEO; + } else if ((tv_dac & TVDAC_SENSE_MASK) == 0) { + DRM_DEBUG("Detected Component TV connection\n"); + type = DRM_MODE_CONNECTOR_Component; + } else { + DRM_DEBUG("No TV connection detected\n"); + type = -1; + } + + /* Restore interrupt config */ + spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags); + i915_enable_pipestat(dev_priv, 0, PIPE_HOTPLUG_INTERRUPT_ENABLE | + PIPE_HOTPLUG_TV_INTERRUPT_ENABLE); + spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags); + + return type; +} + +/** + * 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 enum drm_connector_status +intel_tv_detect(struct drm_connector *connector) +{ + struct drm_crtc *crtc; + struct drm_display_mode mode; + struct intel_output *intel_output = to_intel_output(connector); + struct intel_tv_priv *tv_priv = intel_output->dev_priv; + struct drm_encoder *encoder = &intel_output->enc; + int dpms_mode; + int type = tv_priv->type; + + mode = reported_modes[0]; + drm_mode_set_crtcinfo(&mode, CRTC_INTERLACE_HALVE_V); + + if (encoder->crtc) { + type = intel_tv_detect_type(encoder->crtc, intel_output); + } else { + crtc = intel_get_load_detect_pipe(intel_output, &mode, &dpms_mode); + if (crtc) { + type = intel_tv_detect_type(crtc, intel_output); + intel_release_load_detect_pipe(intel_output, dpms_mode); + } else + type = -1; + } + + if (type < 0) + return connector_status_disconnected; + + return connector_status_connected; +} + +static struct input_res { + 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}, +}; + +/** + * 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; + struct intel_output *intel_output = to_intel_output(connector); + const struct tv_mode *tv_mode = intel_tv_mode_find(intel_output); + int j; + + for (j = 0; j < sizeof(input_res_table) / sizeof(input_res_table[0]); + j++) { + 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_calloc(1, sizeof(struct drm_display_mode), + DRM_MEM_DRIVER); + strncpy(mode_ptr->name, input->name, DRM_DISPLAY_MODE_LEN); + + 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; + + mode_ptr->clock = (int) (tv_mode->refresh * + mode_ptr->vtotal * + mode_ptr->htotal / 1000) / 1000; + + mode_ptr->type = DRM_MODE_TYPE_DRIVER; + drm_mode_probed_add(connector, mode_ptr); + } + + return 0; +} + +static void +intel_tv_destroy (struct drm_connector *connector) +{ + struct intel_output *intel_output = to_intel_output(connector); + + drm_sysfs_connector_remove(connector); + drm_connector_cleanup(connector); + drm_free(intel_output, sizeof(struct intel_output) + sizeof(struct intel_tv_priv), + DRM_MEM_DRIVER); +} + + +static int +intel_tv_set_property(struct drm_connector *connector, struct drm_property *property, + uint64_t val) +{ + struct drm_device *dev = connector->dev; + struct intel_output *intel_output = to_intel_output(connector); + struct intel_tv_priv *tv_priv = intel_output->dev_priv; + int ret = 0; + + ret = drm_connector_property_set_value(connector, property, val); + if (ret < 0) + goto out; + + if (property == dev->mode_config.tv_left_margin_property) + tv_priv->margin[TV_MARGIN_LEFT] = val; + else if (property == dev->mode_config.tv_right_margin_property) + tv_priv->margin[TV_MARGIN_RIGHT] = val; + else if (property == dev->mode_config.tv_top_margin_property) + tv_priv->margin[TV_MARGIN_TOP] = val; + else if (property == dev->mode_config.tv_bottom_margin_property) + tv_priv->margin[TV_MARGIN_BOTTOM] = val; + else if (property == dev->mode_config.tv_mode_property) { + if (val >= NUM_TV_MODES) { + ret = -EINVAL; + goto out; + } + tv_priv->tv_format = tv_modes[val].name; + intel_tv_mode_set(&intel_output->enc, NULL, NULL); + } else { + ret = -EINVAL; + goto out; + } + + intel_tv_mode_set(&intel_output->enc, NULL, NULL); +out: + return ret; +} + +static const struct drm_encoder_helper_funcs intel_tv_helper_funcs = { + .dpms = intel_tv_dpms, + .mode_fixup = intel_tv_mode_fixup, + .prepare = intel_encoder_prepare, + .mode_set = intel_tv_mode_set, + .commit = intel_encoder_commit, +}; + +static const struct drm_connector_funcs intel_tv_connector_funcs = { + .save = intel_tv_save, + .restore = intel_tv_restore, + .detect = intel_tv_detect, + .destroy = intel_tv_destroy, + .set_property = intel_tv_set_property, + .fill_modes = drm_helper_probe_single_connector_modes, +}; + +static const struct drm_connector_helper_funcs intel_tv_connector_helper_funcs = { + .mode_valid = intel_tv_mode_valid, + .get_modes = intel_tv_get_modes, + .best_encoder = intel_best_encoder, +}; + +static void intel_tv_enc_destroy(struct drm_encoder *encoder) +{ + drm_encoder_cleanup(encoder); +} + +static const struct drm_encoder_funcs intel_tv_enc_funcs = { + .destroy = intel_tv_enc_destroy, +}; + + +void +intel_tv_init(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_connector *connector; + struct intel_output *intel_output; + struct intel_tv_priv *tv_priv; + u32 tv_dac_on, tv_dac_off, save_tv_dac; + char **tv_format_names; + int i, initial_mode = 0; + + if ((I915_READ(TV_CTL) & TV_FUSE_STATE_MASK) == TV_FUSE_STATE_DISABLED) + return; + + /* Even if we have an encoder we may not have a connector */ + if (!dev_priv->int_tv_support) + 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_output = drm_calloc(1, sizeof(struct intel_output) + + sizeof(struct intel_tv_priv), DRM_MEM_DRIVER); + if (!intel_output) { + return; + } + connector = &intel_output->base; + + drm_connector_init(dev, connector, &intel_tv_connector_funcs, + DRM_MODE_CONNECTOR_SVIDEO); + + drm_encoder_init(dev, &intel_output->enc, &intel_tv_enc_funcs, + DRM_MODE_ENCODER_TVDAC); + + drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc); + tv_priv = (struct intel_tv_priv *)(intel_output + 1); + intel_output->type = INTEL_OUTPUT_TVOUT; + intel_output->enc.possible_crtcs = ((1 << 0) | (1 << 1)); + intel_output->enc.possible_clones = (1 << INTEL_OUTPUT_TVOUT); + intel_output->dev_priv = tv_priv; + tv_priv->type = DRM_MODE_CONNECTOR_Unknown; + + /* BIOS margin values */ + tv_priv->margin[TV_MARGIN_LEFT] = 54; + tv_priv->margin[TV_MARGIN_TOP] = 36; + tv_priv->margin[TV_MARGIN_RIGHT] = 46; + tv_priv->margin[TV_MARGIN_BOTTOM] = 37; + + tv_priv->tv_format = kstrdup(tv_modes[initial_mode].name, GFP_KERNEL); + + drm_encoder_helper_add(&intel_output->enc, &intel_tv_helper_funcs); + 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 */ + tv_format_names = drm_alloc(sizeof(char *) * NUM_TV_MODES, + DRM_MEM_DRIVER); + if (!tv_format_names) + goto out; + for (i = 0; i < NUM_TV_MODES; i++) + tv_format_names[i] = tv_modes[i].name; + drm_mode_create_tv_properties(dev, NUM_TV_MODES, tv_format_names); + + drm_connector_attach_property(connector, dev->mode_config.tv_mode_property, + initial_mode); + drm_connector_attach_property(connector, + dev->mode_config.tv_left_margin_property, + tv_priv->margin[TV_MARGIN_LEFT]); + drm_connector_attach_property(connector, + dev->mode_config.tv_top_margin_property, + tv_priv->margin[TV_MARGIN_TOP]); + drm_connector_attach_property(connector, + dev->mode_config.tv_right_margin_property, + tv_priv->margin[TV_MARGIN_RIGHT]); + drm_connector_attach_property(connector, + dev->mode_config.tv_bottom_margin_property, + tv_priv->margin[TV_MARGIN_BOTTOM]); +out: + drm_sysfs_connector_add(connector); +} |
