--- /dev/null
+/*
+ * 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 <drm/drmP.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_edid.h>
+#include "intel_drv.h"
+#include <drm/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 {
+ struct intel_encoder base;
+
+ int type;
+ const 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 = 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 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 = 0x0145,
+ .ru = 0x07d5, .gu = 0x038b, .bu = 0x0100, .au = 0x0200,
+ .rv = 0x0100, .gv = 0x03d1, .bv = 0x06bc, .av = 0x0200,
+};
+
+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 {
+ const 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.
+ */
+
+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 = dev->dev_private;
+ 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)
+{
+ struct drm_device *dev = encoder->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ /* Prevents vblank waits from timing out in intel_tv_detect_type() */
+ intel_wait_for_vblank(encoder->base.dev,
+ 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)
+{
+ struct drm_device *dev = encoder->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ I915_WRITE(TV_CTL, I915_READ(TV_CTL) & ~TV_ENC_ENABLE);
+}
+
+static const struct tv_mode *
+intel_tv_mode_lookup(const char *tv_format)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(tv_modes); 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_tv *intel_tv)
+{
+ return intel_tv_mode_lookup(intel_tv->tv_format);
+}
+
+static enum drm_mode_status
+intel_tv_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ struct intel_tv *intel_tv = intel_attached_tv(connector);
+ const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
+
+ /* 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->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 intel_tv *intel_tv = enc_to_tv(encoder);
+ const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
+
+ 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)
+{
+ struct drm_device *dev = encoder->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ 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(intel_tv);
+ 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))
+ 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_INFO(dev)->gen >= 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 += intel_tv->margin[TV_MARGIN_LEFT];
+ ypos += intel_tv->margin[TV_MARGIN_TOP];
+ xsize -= (intel_tv->margin[TV_MARGIN_LEFT] +
+ intel_tv->margin[TV_MARGIN_RIGHT]);
+ ysize -= (intel_tv->margin[TV_MARGIN_TOP] +
+ intel_tv->margin[TV_MARGIN_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_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, 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_encoder *encoder = &intel_tv->base.base;
+ struct drm_crtc *crtc = encoder->crtc;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ 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))
+ 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(intel_tv->base.base.dev,
+ to_intel_crtc(intel_tv->base.base.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(intel_tv->base.base.dev,
+ to_intel_crtc(intel_tv->base.base.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(intel_tv);
+ int i;
+
+ if ((intel_tv->type == DRM_MODE_CONNECTOR_Component) ==
+ tv_mode->component_only)
+ return;
+
+
+ for (i = 0; i < sizeof(tv_modes) / sizeof(*tv_modes); i++) {
+ tv_mode = tv_modes + i;
+
+ if ((intel_tv->type == DRM_MODE_CONNECTOR_Component) ==
+ tv_mode->component_only)
+ break;
+ }
+
+ intel_tv->tv_format = tv_mode->name;
+ drm_object_property_set_value(&connector->base,
+ connector->dev->mode_config.tv_mode_property, 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 enum drm_connector_status
+intel_tv_detect(struct drm_connector *connector, 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;
+ struct drm_modeset_acquire_ctx ctx;
+
+ drm_modeset_acquire_init(&ctx, 0);
+
+ if (intel_get_load_detect_pipe(connector, &mode, &tmp, &ctx)) {
+ 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;
+
+ drm_modeset_drop_locks(&ctx);
+ drm_modeset_acquire_fini(&ctx);
+ } else
+ return connector->status;
+
+ if (status != connector_status_connected)
+ return status;
+
+ intel_tv->type = type;
+ intel_tv_find_better_format(connector);
+
+ return connector_status_connected;
+}
+
+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_chose_preferred_modes(struct drm_connector *connector,
+ struct drm_display_mode *mode_ptr)
+{
+ struct intel_tv *intel_tv = intel_attached_tv(connector);
+ const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
+
+ 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;
+ struct intel_tv *intel_tv = intel_attached_tv(connector);
+ const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
+ 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->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 = (u64) 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_chose_preferred_modes(connector, 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 int
+intel_tv_set_property(struct drm_connector *connector, struct drm_property *property,
+ uint64_t val)
+{
+ struct drm_device *dev = connector->dev;
+ struct intel_tv *intel_tv = intel_attached_tv(connector);
+ struct drm_crtc *crtc = intel_tv->base.base.crtc;
+ int ret = 0;
+ bool changed = false;
+
+ ret = drm_object_property_set_value(&connector->base, property, val);
+ if (ret < 0)
+ goto out;
+
+ if (property == dev->mode_config.tv_left_margin_property &&
+ intel_tv->margin[TV_MARGIN_LEFT] != val) {
+ intel_tv->margin[TV_MARGIN_LEFT] = val;
+ changed = true;
+ } else if (property == dev->mode_config.tv_right_margin_property &&
+ intel_tv->margin[TV_MARGIN_RIGHT] != val) {
+ intel_tv->margin[TV_MARGIN_RIGHT] = val;
+ changed = true;
+ } else if (property == dev->mode_config.tv_top_margin_property &&
+ intel_tv->margin[TV_MARGIN_TOP] != val) {
+ intel_tv->margin[TV_MARGIN_TOP] = val;
+ changed = true;
+ } else if (property == dev->mode_config.tv_bottom_margin_property &&
+ intel_tv->margin[TV_MARGIN_BOTTOM] != val) {
+ intel_tv->margin[TV_MARGIN_BOTTOM] = val;
+ changed = true;
+ } else if (property == dev->mode_config.tv_mode_property) {
+ if (val >= ARRAY_SIZE(tv_modes)) {
+ ret = -EINVAL;
+ goto out;
+ }
+ if (!strcmp(intel_tv->tv_format, tv_modes[val].name))
+ goto out;
+
+ intel_tv->tv_format = tv_modes[val].name;
+ changed = true;
+ } else {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ if (changed && crtc)
+ intel_crtc_restore_mode(crtc);
+out:
+ return ret;
+}
+
+static const struct drm_connector_funcs intel_tv_connector_funcs = {
+ .dpms = intel_connector_dpms,
+ .detect = intel_tv_detect,
+ .destroy = intel_tv_destroy,
+ .set_property = intel_tv_set_property,
+ .atomic_get_property = intel_connector_atomic_get_property,
+ .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 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 const struct drm_encoder_funcs intel_tv_enc_funcs = {
+ .destroy = intel_encoder_destroy,
+};
+
+/*
+ * Enumerate the child dev array parsed from VBT to check whether
+ * the integrated TV is present.
+ * If it is present, return 1.
+ * If it is not present, return false.
+ * If no child dev is parsed from VBT, it assumes that the TV is present.
+ */
+static int tv_is_present_in_vbt(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ union child_device_config *p_child;
+ int i, ret;
+
+ if (!dev_priv->vbt.child_dev_num)
+ return 1;
+
+ ret = 0;
+ for (i = 0; i < dev_priv->vbt.child_dev_num; i++) {
+ p_child = dev_priv->vbt.child_dev + i;
+ /*
+ * If the device type is not TV, continue.
+ */
+ switch (p_child->old.device_type) {
+ case DEVICE_TYPE_INT_TV:
+ case DEVICE_TYPE_TV:
+ case DEVICE_TYPE_TV_SVIDEO_COMPOSITE:
+ break;
+ default:
+ continue;
+ }
+ /* Only when the addin_offset is non-zero, it is regarded
+ * as present.
+ */
+ if (p_child->old.addin_offset) {
+ ret = 1;
+ break;
+ }
+ }
+ return ret;
+}
+
+void
+intel_tv_init(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ 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;
+ char *tv_format_names[ARRAY_SIZE(tv_modes)];
+ int i, initial_mode = 0;
+
+ if ((I915_READ(TV_CTL) & TV_FUSE_STATE_MASK) == TV_FUSE_STATE_DISABLED)
+ return;
+
+ if (!tv_is_present_in_vbt(dev)) {
+ DRM_DEBUG_KMS("Integrated TV is not present.\n");
+ return;
+ }
+ /* Even if we have an encoder we may not have a connector */
+ if (!dev_priv->vbt.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_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;
+
+ /* 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);
+
+ 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->unregister = intel_connector_unregister;
+
+ intel_connector_attach_encoder(intel_connector, intel_encoder);
+ intel_encoder->type = INTEL_OUTPUT_TVOUT;
+ 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 */
+ intel_tv->margin[TV_MARGIN_LEFT] = 54;
+ intel_tv->margin[TV_MARGIN_TOP] = 36;
+ intel_tv->margin[TV_MARGIN_RIGHT] = 46;
+ intel_tv->margin[TV_MARGIN_BOTTOM] = 37;
+
+ intel_tv->tv_format = tv_modes[initial_mode].name;
+
+ 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] = (char *)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,
+ initial_mode);
+ drm_object_attach_property(&connector->base,
+ dev->mode_config.tv_left_margin_property,
+ intel_tv->margin[TV_MARGIN_LEFT]);
+ drm_object_attach_property(&connector->base,
+ dev->mode_config.tv_top_margin_property,
+ intel_tv->margin[TV_MARGIN_TOP]);
+ drm_object_attach_property(&connector->base,
+ dev->mode_config.tv_right_margin_property,
+ intel_tv->margin[TV_MARGIN_RIGHT]);
+ drm_object_attach_property(&connector->base,
+ dev->mode_config.tv_bottom_margin_property,
+ intel_tv->margin[TV_MARGIN_BOTTOM]);
+ drm_connector_register(connector);
+}
Code Review / kvmfornfv.git / blobdiff