/* Copyright (c) 2005 Advanced Micro Devices, Inc. * * 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 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. * * Neither the name of the Advanced Micro Devices, Inc. nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * */ /* * This file contains routines to control the SC1200 video overlay hardware. * */ /*---------------------------------------------------------------------------- * SC1200 GAMMA RAM TABLE *---------------------------------------------------------------------------- */ unsigned long gfx_gamma_ram_1200[] = { 0x00000000, 0x00040003, 0x00050104, 0x00060205, 0x00070306, 0x00080407, 0x00090508, 0x000A0609, 0x000B070A, 0x000C080B, 0x000D090C, 0x000E0A0D, 0x000F0B0E, 0x00100C0F, 0x00110D10, 0x00110E11, 0x00120F12, 0x00141013, 0x00151114, 0x00161215, 0x00171316, 0x00181417, 0x00191518, 0x001A1619, 0x001B171A, 0x001C181B, 0x001D191C, 0x001D1A1D, 0x001E1B1E, 0x00201C1F, 0x00201D20, 0x00221E21, 0x00231F22, 0x00242023, 0x00252124, 0x00262225, 0x00262326, 0x00282427, 0x00292528, 0x00292629, 0x002B272A, 0x002C282B, 0x002D292C, 0x002E2A2D, 0x002F2B2E, 0x00302C2F, 0x00312D30, 0x00322E31, 0x00332F32, 0x00343033, 0x00353134, 0x00363235, 0x00373336, 0x00383437, 0x00393538, 0x003A3639, 0x003B373A, 0x003C383B, 0x003D393C, 0x003E3A3D, 0x003F3B3E, 0x00403C3F, 0x00413D40, 0x00423E41, 0x00433F42, 0x00444043, 0x00444144, 0x00454245, 0x00474346, 0x00484447, 0x00494548, 0x004A4649, 0x004B474A, 0x004C484B, 0x004D494C, 0x004E4A4D, 0x004F4B4E, 0x00504C4F, 0x00514D50, 0x00524E51, 0x00534F52, 0x00545053, 0x00555154, 0x00565255, 0x00575356, 0x00585457, 0x00595558, 0x005A5659, 0x005B575A, 0x005C585B, 0x005D595C, 0x005E5A5D, 0x005F5B5E, 0x00605C5F, 0x00615D60, 0x00625E61, 0x00635F62, 0x00646063, 0x00656164, 0x00666265, 0x00676366, 0x00686467, 0x00696568, 0x006A6669, 0x006B676A, 0x006C686B, 0x006D696C, 0x006E6A6D, 0x006F6B6E, 0x00706C6F, 0x00716D70, 0x00726E71, 0x00736F72, 0x00747073, 0x00757174, 0x00767275, 0x00777376, 0x00787477, 0x00797578, 0x007A7679, 0x007B777A, 0x007C787B, 0x007D797C, 0x007E7A7D, 0x007F7B7E, 0x00807C7F, 0x00817D80, 0x00827E81, 0x00837F82, 0x00848083, 0x00858184, 0x00868285, 0x00878386, 0x00888487, 0x00898588, 0x008A8689, 0x008B878A, 0x008C888B, 0x008D898C, 0x008E8A8D, 0x008F8B8E, 0x00908C8F, 0x00918D90, 0x00928E91, 0x00938F92, 0x00949093, 0x00959194, 0x00969295, 0x00979396, 0x00989497, 0x00999598, 0x009A9699, 0x009B979A, 0x009C989B, 0x009D999C, 0x009E9A9D, 0x009F9B9E, 0x00A09C9F, 0x00A19DA0, 0x00A29EA1, 0x00A39FA2, 0x00A4A0A3, 0x00A5A1A4, 0x00A6A2A5, 0x00A7A3A6, 0x00A8A4A7, 0x00A9A5A8, 0x00AAA6A9, 0x00ABA7AA, 0x00ACA8AB, 0x00ADA9AC, 0x00AEAAAD, 0x00AFABAE, 0x00B0ACAF, 0x00B1ADB0, 0x00B2AEB1, 0x00B3AFB2, 0x00B4B0B3, 0x00B5B1B4, 0x00B6B2B5, 0x00B7B3B6, 0x00B8B4B7, 0x00B9B5B8, 0x00BAB6B9, 0x00BBB7BA, 0x00BCB8BB, 0x00BDB9BC, 0x00BEBABD, 0x00BFBBBE, 0x00C0BCBF, 0x00C1BDC0, 0x00C2BEC1, 0x00C3BFC2, 0x00C4C0C3, 0x00C5C1C4, 0x00C6C2C5, 0x00C7C3C6, 0x00C8C4C7, 0x00C9C5C8, 0x00CAC6C9, 0x00CBC7CA, 0x00CCC8CB, 0x00CDC9CC, 0x00CECACD, 0x00CFCBCE, 0x00D0CCCF, 0x00D1CDD0, 0x00D2CED1, 0x00D3CFD2, 0x00D4D0D3, 0x00D5D1D4, 0x00D6D2D5, 0x00D7D3D6, 0x00D8D4D7, 0x00D9D5D8, 0x00DAD6D9, 0x00DBD7DA, 0x00DCD8DB, 0x00DDD9DC, 0x00DEDADD, 0x00DFDBDE, 0x00E0DCDF, 0x00E1DDE0, 0x00E2DEE1, 0x00E3DFE2, 0x00E4E0E3, 0x00E5E1E4, 0x00E6E2E5, 0x00E7E3E6, 0x00E8E4E7, 0x00E9E5E8, 0x00EAE6E9, 0x00EBE7EA, 0x00ECE8EB, 0x00EDE9EC, 0x00EEEAED, 0x00EFEBEE, 0x00F0ECEF, 0x00F1EDF0, 0x00F2EEF1, 0x00F3EFF2, 0x00F4F0F3, 0x00F5F1F4, 0x00F6F2F5, 0x00F7F3F6, 0x00F8F4F7, 0x00F9F5F8, 0x00FAF6F9, 0x00FBF7FA, 0x00FCF8FB, 0x00FDF9FC, 0x00FEFAFD, 0x00FFFBFE, 0x00FFFCFE, 0x00FFFDFE, 0x00FFFFFF }; /*---------------------------------------------------------------------------- * SC1200 PLL TABLE *---------------------------------------------------------------------------- */ typedef struct tagSC1200PLL { long frequency; /* 16.16 fixed point frequency */ unsigned long clock_select; /* clock select register (0x2C) */ } SC1200PLL; SC1200PLL gfx_sc1200_clock_table[] = { {(25L << 16) | ((1750L * 65536L) / 10000L), 0x0070E00C}, /* 25.1750 * (sc=24.9231) */ {(27L << 16) | ((0000L * 65536L) / 10000L), 0x00300100}, /* 27.0000 */ {(28L << 16) | ((3220L * 65536L) / 10000L), 0x0070EC0C}, /* 28.3220 * (SC=27.000) */ {(31L << 16) | ((5000L * 65536L) / 10000L), 0x00500D02}, /* 31.5000 */ {(36L << 16) | ((0000L * 65536L) / 10000L), 0x00500F02}, /* 36.0000 */ {(37L << 16) | ((5000L * 65536L) / 10000L), 0x0050B108}, /* 37.5000 */ {(40L << 16) | ((0000L * 65536L) / 10000L), 0x0050D20D}, /* 40.0000 */ {(44L << 16) | ((9000L * 65536L) / 10000L), 0x0050DC0D}, /* 44.9000 */ {(49L << 16) | ((5000L * 65536L) / 10000L), 0x00501502}, /* 49.5000 */ {(50L << 16) | ((0000L * 65536L) / 10000L), 0x0050A404}, /* 50.0000 */ {(50L << 16) | ((3500L * 65536L) / 10000L), 0x0050E00C}, /* 50.3500 */ {(54L << 16) | ((0000L * 65536L) / 10000L), 0x00300300}, /* 54.0000 */ {(56L << 16) | ((3916L * 65536L) / 10000L), 0x0050F40D}, /* 56.3916 */ {(56L << 16) | ((6440L * 65536L) / 10000L), 0x0050EC0C}, /* 56.6440 */ {(59L << 16) | ((0000L * 65536L) / 10000L), 0x0030A207}, /* 59.0000 */ {(63L << 16) | ((0000L * 65536L) / 10000L), 0x00300D02}, /* 63.0000 */ {(65L << 16) | ((0000L * 65536L) / 10000L), 0x0030CC0F}, /* 65.0000 */ {(67L << 16) | ((5000L * 65536L) / 10000L), 0x00300400}, /* 67.5000 */ {(70L << 16) | ((8000L * 65536L) / 10000L), 0x00301403}, /* 70.8000 */ {(72L << 16) | ((0000L * 65536L) / 10000L), 0x00300F02}, /* 72.0000 */ {(75L << 16) | ((0000L * 65536L) / 10000L), 0x0030B108}, /* 75.0000 */ {(78L << 16) | ((7500L * 65536L) / 10000L), 0x0030A205}, /* 78.7500 */ {(80L << 16) | ((0000L * 65536L) / 10000L), 0x0030D20D}, /* 80.0000 */ {(87L << 16) | ((2728L * 65536L) / 10000L), 0x0030E00E}, /* 87.2728 */ {(89L << 16) | ((8000L * 65536L) / 10000L), 0x0030DC0D}, /* 89.8000 */ {(94L << 16) | ((5000L * 65536L) / 10000L), 0x00300600}, /* 99.0000 */ {(99L << 16) | ((0000L * 65536L) / 10000L), 0x00301502}, /* 99.0000 */ {(100L << 16) | ((0000L * 65536L) / 10000L), 0x0030A404}, /* 100.00 */ {(108L << 16) | ((0000L * 65536L) / 10000L), 0x00100300}, /* 108.00 */ {(112L << 16) | ((5000L * 65536L) / 10000L), 0x00301802}, /* 108.00 */ {(130L << 16) | ((0000L * 65536L) / 10000L), 0x0010CC0F}, /* 130.00 */ {(135L << 16) | ((0000L * 65536L) / 10000L), 0x00100400}, /* 135.00 */ {(157L << 16) | ((5000L * 65536L) / 10000L), 0x0010A205}, /* 157.50 */ {(162L << 16) | ((0000L * 65536L) / 10000L), 0x00100500}, /* 162.00 */ {(175L << 16) | ((0000L * 65536L) / 10000L), 0x0010E00E}, /* 175.50 */ {(189L << 16) | ((0000L * 65536L) / 10000L), 0x00100600}, /* 189.00 */ {(202L << 16) | ((0000L * 65536L) / 10000L), 0x0010EF0E}, /* 202.50 */ {(232L << 16) | ((0000L * 65536L) / 10000L), 0x0010AA04}, /* 232.50 */ /* Precomputed inidces in the hardware */ {0x0018EC4D, 0x000F0000}, /* 24.923052 */ {0x00192CCC, 0x00000000}, /* 25.1750 */ {0x001B0000, 0x00300100}, /* 27.0000 */ {0x001F8000, 0x00010000}, /* 31.5000 */ {0x00240000, 0x00020000}, /* 36.0000 */ {0x00280000, 0x00030000}, /* 40.0000 */ {0x00318000, 0x00050000}, /* 49.5000 */ {0x00320000, 0x00040000}, /* 50.0000 */ {0x00384000, 0x00060000}, /* 56.2500 */ {0x00410000, 0x00080000}, /* 65.0000 */ {0x004E8000, 0x000A0000}, /* 78.5000 */ {0x005E8000, 0x000B0000}, /* 94.5000 */ {0x006C0000, 0x000C0000}, /* 108.0000 */ {0x00870000, 0x000D0000}, /* 135.0000 */ }; #define NUM_SC1200_FREQUENCIES \ sizeof(gfx_sc1200_clock_table)/sizeof(SC1200PLL) /*--------------------------------------------------------------------------- * gfx_reset_video (PRIVATE ROUTINE: NOT PART OF DURANGO API) * * This routine is used to disable all components of video overlay before * performing a mode switch. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC void sc1200_reset_video(void) #else void gfx_reset_video(void) #endif { int i; gfx_set_video_enable(0); /* SET WINDOW 0 AFTER RESET */ for (i = 2; i >= 0; i--) { gfx_select_alpha_region(i); gfx_set_alpha_enable(0); gfx_set_alpha_color_enable(0); } /* CLEAR THE DISPLAY BUFFER SIZE TO ZERO */ /* During a modeset,if FIFO load is enabled with a large buffer size, */ /* the FIFO can hang. To prevent this, we set the buffer size to zero */ /* and wait for this new size to be latched */ gfx_set_display_video_size(0, 0); if (gfx_test_timing_active()) { while (!gfx_test_vertical_active()) ; while (gfx_test_vertical_active()) ; while (!gfx_test_vertical_active()) ; while (gfx_test_vertical_active()) ; } } /*----------------------------------------------------------------------------- * gfx_set_display_control (PRIVATE ROUTINE: NOT PART OF DURANGO API) * * This routine configures the display output. * * "sync_polarities" is used to set the polarities of the sync pulses * according to the following mask: * * Bit 0: If set to 1, negative horizontal polarity is programmed, * otherwise positive horizontal polarity is programmed. * Bit 1: If set to 1, negative vertical polarity is programmed, * otherwise positive vertical polarity is programmed. * *----------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_display_control(int sync_polarities) #else int gfx_set_display_control(int sync_polarities) #endif { unsigned long dcfg; /* CONFIGURE DISPLAY OUTPUT FROM VIDEO PROCESSOR */ dcfg = READ_VID32(SC1200_DISPLAY_CONFIG); dcfg &= ~(SC1200_DCFG_CRT_SYNC_SKW_MASK | SC1200_DCFG_PWR_SEQ_DLY_MASK | SC1200_DCFG_CRT_HSYNC_POL | SC1200_DCFG_CRT_VSYNC_POL | SC1200_DCFG_FP_PWR_EN | SC1200_DCFG_FP_DATA_EN); dcfg |= (SC1200_DCFG_CRT_SYNC_SKW_INIT | SC1200_DCFG_PWR_SEQ_DLY_INIT | SC1200_DCFG_GV_PAL_BYP); if (PanelEnable) dcfg |= SC1200_DCFG_FP_PWR_EN; /* SET APPROPRIATE SYNC POLARITIES */ if (sync_polarities & 0x1) dcfg |= SC1200_DCFG_CRT_HSYNC_POL; if (sync_polarities & 0x2) dcfg |= SC1200_DCFG_CRT_VSYNC_POL; WRITE_VID32(SC1200_DISPLAY_CONFIG, dcfg); return (0); } /*--------------------------------------------------------------------------- * gfx_set_clock_frequency * * This routine sets the clock frequency, specified as a 16.16 fixed point * value (0x00318000 = 49.5 MHz). It will set the closest frequency found * in the lookup table. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC void sc1200_set_clock_frequency(unsigned long frequency) #else void gfx_set_clock_frequency(unsigned long frequency) #endif { unsigned int index; unsigned long value, pll; long min, diff; /* FIND THE REGISTER VALUES FOR THE DESIRED FREQUENCY */ /* Search the table for the closest frequency (16.16 format). */ value = gfx_sc1200_clock_table[0].clock_select; min = (long)gfx_sc1200_clock_table[0].frequency - frequency; if (min < 0L) min = -min; for (index = 1; index < NUM_SC1200_FREQUENCIES; index++) { diff = (long)gfx_sc1200_clock_table[index].frequency - frequency; if (diff < 0L) diff = -diff; if (diff < min) { min = diff; value = gfx_sc1200_clock_table[index].clock_select; } } /* SET THE DOT CLOCK REGISTER */ pll = READ_VID32(SC1200_VID_MISC); WRITE_VID32(SC1200_VID_MISC, pll | SC1200_PLL_POWER_NORMAL); WRITE_VID32(SC1200_VID_CLOCK_SELECT, value); return; } /*--------------------------------------------------------------------------- * gfx_set_screen_enable (PRIVATE ROUTINE - NOT PART OF API) * * This routine enables or disables the graphics display logic of the video * processor. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_screen_enable(int enable) #else int gfx_set_screen_enable(int enable) #endif { unsigned long config; config = READ_VID32(SC1200_DISPLAY_CONFIG); if (enable) WRITE_VID32(SC1200_DISPLAY_CONFIG, config | SC1200_DCFG_DIS_EN); else WRITE_VID32(SC1200_DISPLAY_CONFIG, config & ~SC1200_DCFG_DIS_EN); return (GFX_STATUS_OK); } /*--------------------------------------------------------------------------- * gfx_set_crt_enable * * This routine enables or disables the CRT output from the video processor. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_crt_enable(int enable) #else int gfx_set_crt_enable(int enable) #endif { unsigned long config, misc; config = READ_VID32(SC1200_DISPLAY_CONFIG); misc = READ_VID32(SC1200_VID_MISC); /* * IMPORTANT: For all modes do NOT disable the graphics display logic * because it might be needed for TV */ switch (enable) { case CRT_DISABLE: /* HSync:Off VSync:Off */ WRITE_VID32(SC1200_DISPLAY_CONFIG, config & ~(SC1200_DCFG_HSYNC_EN | SC1200_DCFG_VSYNC_EN | SC1200_DCFG_DAC_BL_EN)); WRITE_VID32(SC1200_VID_MISC, misc | SC1200_DAC_POWER_DOWN); break; case CRT_ENABLE: /* Enable CRT display, including * display logic */ WRITE_VID32(SC1200_DISPLAY_CONFIG, config | SC1200_DCFG_HSYNC_EN | SC1200_DCFG_VSYNC_EN | SC1200_DCFG_DAC_BL_EN); WRITE_VID32(SC1200_VID_MISC, misc & ~SC1200_DAC_POWER_DOWN); /* ENABLE GRAPHICS DISPLAY LOGIC */ gfx_set_screen_enable(1); break; case CRT_STANDBY: /* HSync:Off VSync:On */ WRITE_VID32(SC1200_DISPLAY_CONFIG, (config & ~(SC1200_DCFG_HSYNC_EN | SC1200_DCFG_DAC_BL_EN)) | SC1200_DCFG_VSYNC_EN); WRITE_VID32(SC1200_VID_MISC, misc | SC1200_DAC_POWER_DOWN); break; case CRT_SUSPEND: /* HSync:On VSync:Off */ WRITE_VID32(SC1200_DISPLAY_CONFIG, (config & ~(SC1200_DCFG_VSYNC_EN | SC1200_DCFG_DAC_BL_EN)) | SC1200_DCFG_HSYNC_EN); WRITE_VID32(SC1200_VID_MISC, misc | SC1200_DAC_POWER_DOWN); break; default: return GFX_STATUS_BAD_PARAMETER; } return (GFX_STATUS_OK); } /*---------------------------------------------------------------------------- * gfx_set_video_enable * * This routine enables or disables the video overlay functionality. *---------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_video_enable(int enable) #else int gfx_set_video_enable(int enable) #endif { unsigned long vcfg; /* WAIT FOR VERTICAL BLANK TO START */ /* Otherwise a glitch can be observed. */ if (gfx_test_timing_active()) { if (!gfx_test_vertical_active()) { while (!gfx_test_vertical_active()) ; } while (gfx_test_vertical_active()) ; } vcfg = READ_VID32(SC1200_VIDEO_CONFIG); if (enable) { /* ENABLE SC1200 VIDEO OVERLAY */ vcfg |= SC1200_VCFG_VID_EN; WRITE_VID32(SC1200_VIDEO_CONFIG, vcfg); } else { /* DISABLE SC1200 VIDEO OVERLAY */ vcfg &= ~SC1200_VCFG_VID_EN; WRITE_VID32(SC1200_VIDEO_CONFIG, vcfg); } return (0); } /*---------------------------------------------------------------------------- * gfx_set_video_format * * Sets input video format type, to one of the YUV formats or to RGB. *---------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_video_format(unsigned long format) #else int gfx_set_video_format(unsigned long format) #endif { unsigned long ctrl, vcfg = 0; /* SET THE SC1200 VIDEO INPUT FORMAT */ vcfg = READ_VID32(SC1200_VIDEO_CONFIG); ctrl = READ_VID32(SC1200_VID_ALPHA_CONTROL); ctrl &= ~(SC1200_VIDEO_INPUT_IS_RGB); vcfg &= ~(SC1200_VCFG_VID_INP_FORMAT | SC1200_VCFG_4_2_0_MODE); switch (format) { case VIDEO_FORMAT_UYVY: vcfg |= SC1200_VCFG_UYVY_FORMAT; break; case VIDEO_FORMAT_YUYV: vcfg |= SC1200_VCFG_YUYV_FORMAT; break; case VIDEO_FORMAT_Y2YU: vcfg |= SC1200_VCFG_Y2YU_FORMAT; break; case VIDEO_FORMAT_YVYU: vcfg |= SC1200_VCFG_YVYU_FORMAT; break; case VIDEO_FORMAT_Y0Y1Y2Y3: vcfg |= SC1200_VCFG_UYVY_FORMAT; vcfg |= SC1200_VCFG_4_2_0_MODE; break; case VIDEO_FORMAT_Y3Y2Y1Y0: vcfg |= SC1200_VCFG_Y2YU_FORMAT; vcfg |= SC1200_VCFG_4_2_0_MODE; break; case VIDEO_FORMAT_Y1Y0Y3Y2: vcfg |= SC1200_VCFG_YUYV_FORMAT; vcfg |= SC1200_VCFG_4_2_0_MODE; break; case VIDEO_FORMAT_Y1Y2Y3Y0: vcfg |= SC1200_VCFG_YVYU_FORMAT; vcfg |= SC1200_VCFG_4_2_0_MODE; break; case VIDEO_FORMAT_RGB: ctrl |= SC1200_VIDEO_INPUT_IS_RGB; vcfg |= SC1200_VCFG_UYVY_FORMAT; break; case VIDEO_FORMAT_P2M_P2L_P1M_P1L: ctrl |= SC1200_VIDEO_INPUT_IS_RGB; vcfg |= SC1200_VCFG_Y2YU_FORMAT; break; case VIDEO_FORMAT_P1M_P1L_P2M_P2L: ctrl |= SC1200_VIDEO_INPUT_IS_RGB; vcfg |= SC1200_VCFG_YUYV_FORMAT; break; case VIDEO_FORMAT_P1M_P2L_P2M_P1L: ctrl |= SC1200_VIDEO_INPUT_IS_RGB; vcfg |= SC1200_VCFG_YVYU_FORMAT; break; default: return GFX_STATUS_BAD_PARAMETER; } /* ALWAYS DISABLE GRAPHICS CSC */ /* This is enabled in the function gfx_set_color_space_YUV for */ /* YUV blending on TV. */ ctrl &= ~SC1200_CSC_GFX_RGB_TO_YUV; if (ctrl & SC1200_VIDEO_INPUT_IS_RGB) ctrl &= ~SC1200_CSC_VIDEO_YUV_TO_RGB; else ctrl |= SC1200_CSC_VIDEO_YUV_TO_RGB; WRITE_VID32(SC1200_VIDEO_CONFIG, vcfg); WRITE_VID32(SC1200_VID_ALPHA_CONTROL, ctrl); return (0); } /*---------------------------------------------------------------------------- * gfx_set_video_size * * This routine specifies the size of the source data. It is used only * to determine how much data to transfer per frame, and is not used to * calculate the scaling value (that is handled by a separate routine). *---------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_video_size(unsigned short width, unsigned short height) #else int gfx_set_video_size(unsigned short width, unsigned short height) #endif { unsigned long size, vcfg; /* SET THE SC1200 VIDEO LINE SIZE */ vcfg = READ_VID32(SC1200_VIDEO_CONFIG); vcfg &= ~(SC1200_VCFG_LINE_SIZE_LOWER_MASK | SC1200_VCFG_LINE_SIZE_UPPER); size = (width >> 1); vcfg |= (size & 0x00FF) << 8; if (size & 0x0100) vcfg |= SC1200_VCFG_LINE_SIZE_UPPER; WRITE_VID32(SC1200_VIDEO_CONFIG, vcfg); /* SET TOTAL VIDEO BUFFER SIZE IN DISPLAY CONTROLLER */ /* Use private routine to abstract the display controller. */ /* Add 1 line to bypass issue #803 */ gfx_set_display_video_size(width, (unsigned short)(height + 2)); return (0); } /*---------------------------------------------------------------------------- * gfx_set_video_offset * * This routine sets the starting offset for the video buffer when only * one offset needs to be specified. *---------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_video_offset(unsigned long offset) #else int gfx_set_video_offset(unsigned long offset) #endif { /* SAVE VALUE FOR FUTURE CLIPPING OF THE TOP OF THE VIDEO WINDOW */ gfx_vid_offset = offset; /* SET VIDEO BUFFER OFFSET IN DISPLAY CONTROLLER */ /* Use private routine to abstract the display controller. */ gfx_set_display_video_offset(offset); return (0); } /*--------------------------------------------------------------------------- * gfx_set_video_upscale * * This routine sets the scale factor for the video overlay window. The * size of the source and destination regions are specified in pixels. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_video_upscale(unsigned short srcw, unsigned short srch, unsigned short dstw, unsigned short dsth) #else int gfx_set_video_upscale(unsigned short srcw, unsigned short srch, unsigned short dstw, unsigned short dsth) #endif { unsigned long xscale, yscale; /* SAVE PARAMETERS (unless don't-care zero destination arguments are used) * */ /* These are needed for clipping the video window later. */ if (dstw != 0) { gfx_vid_srcw = srcw; gfx_vid_dstw = dstw; } if (dsth != 0) { gfx_vid_srch = srch; gfx_vid_dsth = dsth; } /* CALCULATE SC1200 SCALE FACTORS */ if (dstw == 0) xscale = READ_VID32(SC1200_VIDEO_UPSCALE) & 0xffff; /* keep previous if don't-care argument */ else if (dstw <= srcw) xscale = 0x2000l; /* horizontal downscaling is currently done in a separate function */ else if ((srcw == 1) || (dstw == 1)) return GFX_STATUS_BAD_PARAMETER; else xscale = (0x2000l * (srcw - 1l)) / (dstw - 1l); if (dsth == 0) yscale = (READ_VID32(SC1200_VIDEO_UPSCALE) & 0xffff0000) >> 16; /* keep previous if don't-care argument */ else if (dsth <= srch) yscale = 0x2000l; /* No vertical downscaling in SC1200 so force to 1x if attempted */ else if ((srch == 1) || (dsth == 1)) return GFX_STATUS_BAD_PARAMETER; else yscale = (0x2000l * (srch - 1l)) / (dsth - 1l); WRITE_VID32(SC1200_VIDEO_UPSCALE, (yscale << 16) | xscale); /* CALL ROUTINE TO UPDATE WINDOW POSITION */ /* This is required because the scale values effect the number of */ /* source data pixels that need to be clipped, as well as the */ /* amount of data that needs to be transferred. */ gfx_set_video_window(gfx_vid_xpos, gfx_vid_ypos, gfx_vid_width, gfx_vid_height); return (0); } /*--------------------------------------------------------------------------- * gfx_set_video_scale * * This routine sets the scale factor for the video overlay window. The * size of the source and destination regions are specified in pixels. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_video_scale(unsigned short srcw, unsigned short srch, unsigned short dstw, unsigned short dsth) #else int gfx_set_video_scale(unsigned short srcw, unsigned short srch, unsigned short dstw, unsigned short dsth) #endif { return gfx_set_video_upscale(srcw, srch, dstw, dsth); } /*--------------------------------------------------------------------------- * gfx_set_video_downscale_config * * This routine sets the downscale type and factor for the video overlay * window. * Note: No downscaling support for RGB565 and YUV420 video formats. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_video_downscale_config(unsigned short type, unsigned short m) #else int gfx_set_video_downscale_config(unsigned short type, unsigned short m) #endif { unsigned long downscale; if ((m < 1) || (m > 16)) return GFX_STATUS_BAD_PARAMETER; downscale = READ_VID32(SC1200_VIDEO_DOWNSCALER_CONTROL); downscale &= ~(SC1200_VIDEO_DOWNSCALE_FACTOR_MASK | SC1200_VIDEO_DOWNSCALE_TYPE_MASK); downscale |= ((m - 1l) << SC1200_VIDEO_DOWNSCALE_FACTOR_POS); switch (type) { case VIDEO_DOWNSCALE_KEEP_1_OF: downscale |= SC1200_VIDEO_DOWNSCALE_TYPE_A; break; case VIDEO_DOWNSCALE_DROP_1_OF: downscale |= SC1200_VIDEO_DOWNSCALE_TYPE_B; break; default: return GFX_STATUS_BAD_PARAMETER; } WRITE_VID32(SC1200_VIDEO_DOWNSCALER_CONTROL, downscale); return (0); } /*--------------------------------------------------------------------------- * gfx_set_video_downscale_coefficients * * This routine sets the downscale filter coefficients. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_video_downscale_coefficients(unsigned short coef1, unsigned short coef2, unsigned short coef3, unsigned short coef4) #else int gfx_set_video_downscale_coefficients(unsigned short coef1, unsigned short coef2, unsigned short coef3, unsigned short coef4) #endif { if ((coef1 + coef2 + coef3 + coef4) != 16) return GFX_STATUS_BAD_PARAMETER; WRITE_VID32(SC1200_VIDEO_DOWNSCALER_COEFFICIENTS, ((unsigned long)coef1 << SC1200_VIDEO_DOWNSCALER_COEF1_POS) | ((unsigned long)coef2 << SC1200_VIDEO_DOWNSCALER_COEF2_POS) | ((unsigned long)coef3 << SC1200_VIDEO_DOWNSCALER_COEF3_POS) | ((unsigned long)coef4 << SC1200_VIDEO_DOWNSCALER_COEF4_POS)); return (0); } /*--------------------------------------------------------------------------- * gfx_set_video_downscale_enable * * This routine enables or disables downscaling for the video overlay window. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_video_downscale_enable(int enable) #else int gfx_set_video_downscale_enable(int enable) #endif { unsigned long downscale; downscale = READ_VID32(SC1200_VIDEO_DOWNSCALER_CONTROL); downscale &= ~SC1200_VIDEO_DOWNSCALE_ENABLE; if (enable) downscale |= SC1200_VIDEO_DOWNSCALE_ENABLE; WRITE_VID32(SC1200_VIDEO_DOWNSCALER_CONTROL, downscale); return (0); } /*--------------------------------------------------------------------------- * gfx_set_video_window * * This routine sets the position and size of the video overlay window. The * y position is specified in screen relative coordinates, and may be negative. * The size of destination region is specified in pixels. The line size * indicates the number of bytes of source data per scanline. * For the effect of negative x values, call the function * gfx_set_video_left_crop(). *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_video_window(short x, short y, unsigned short w, unsigned short h) #else int gfx_set_video_window(short x, short y, unsigned short w, unsigned short h) #endif { unsigned long control; unsigned long hadjust, vadjust; unsigned long xstart, ystart, xend, yend; /* For left cropping call the function gfx_set_video_left_crop() */ if (x < 0) return GFX_STATUS_BAD_PARAMETER; /* SAVE PARAMETERS */ /* These are needed to call this routine if the scale value changes. */ /* In the case of SC1200 they are also needed for restoring when video * is re-enabled */ gfx_vid_xpos = x; gfx_vid_ypos = y; gfx_vid_width = w; gfx_vid_height = h; /* GET ADJUSTMENT VALUES */ /* Use routines to abstract version of display controller. */ hadjust = gfx_get_htotal() - gfx_get_hsync_end() - 14l; vadjust = gfx_get_vtotal() - gfx_get_vsync_end() + 1l; /* HORIZONTAL START */ xstart = (unsigned long)x + hadjust; /* HORIZONTAL END */ /* End positions in register are non-inclusive (one more than the actual * end) */ if ((x + w) < gfx_get_hactive()) xend = (unsigned long)x + (unsigned long)w + hadjust; else /* right clipping needed */ xend = (unsigned long)gfx_get_hactive() + hadjust; /* VERTICAL START */ ystart = (unsigned long)y + vadjust; /* VERTICAL END */ if ((y + h) < gfx_get_vactive()) yend = (unsigned long)y + (unsigned long)h + vadjust; else /* bottom clipping needed */ yend = (unsigned long)gfx_get_vactive() + vadjust; /* SET VIDEO LINE INVERT BIT */ control = READ_VID32(SC1200_VID_ALPHA_CONTROL); if (y & 0x1) WRITE_VID32(SC1200_VID_ALPHA_CONTROL, control | SC1200_VIDEO_LINE_OFFSET_ODD); else WRITE_VID32(SC1200_VID_ALPHA_CONTROL, control & ~SC1200_VIDEO_LINE_OFFSET_ODD); /* SET VIDEO POSITION */ WRITE_VID32(SC1200_VIDEO_X_POS, (xend << 16) | xstart); WRITE_VID32(SC1200_VIDEO_Y_POS, (yend << 16) | ystart); return (0); } /*--------------------------------------------------------------------------- * gfx_set_video_left_crop * * This routine sets the number of pixels which will be cropped from the * beginning of each video line. The video window will begin to display only * from the pixel following the cropped pixels, and the cropped pixels * will be ignored. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_video_left_crop(unsigned short x) #else int gfx_set_video_left_crop(unsigned short x) #endif { unsigned long vcfg, initread; /* CLIPPING ON LEFT */ /* Adjust initial read for scale, checking for divide by zero */ if (gfx_vid_dstw) initread = (unsigned long)x *gfx_vid_srcw / gfx_vid_dstw; else initread = 0l; /* SET INITIAL READ ADDRESS */ vcfg = READ_VID32(SC1200_VIDEO_CONFIG); vcfg &= ~SC1200_VCFG_INIT_READ_MASK; vcfg |= (initread << 15) & SC1200_VCFG_INIT_READ_MASK; WRITE_VID32(SC1200_VIDEO_CONFIG, vcfg); return (0); } /*--------------------------------------------------------------------------- * gfx_set_video_color_key * * This routine specifies the color key value and mask for the video overlay * hardware. To disable color key, the color and mask should both be set to * zero. The hardware uses the color key in the following equation: * * ((source data) & (color key mask)) == ((color key) & (color key mask)) * * If "graphics" is set to TRUE, the source data is graphics, and color key * is an RGB value. If "graphics" is set to FALSE, the source data is the * video, and color key is a YUV value. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_video_color_key(unsigned long key, unsigned long mask, int graphics) #else int gfx_set_video_color_key(unsigned long key, unsigned long mask, int graphics) #endif { unsigned long dcfg = 0; /* SET SC1200 COLOR KEY VALUE */ WRITE_VID32(SC1200_VIDEO_COLOR_KEY, key); WRITE_VID32(SC1200_VIDEO_COLOR_MASK, mask); /* SELECT GRAPHICS OR VIDEO DATA TO COMPARE TO THE COLOR KEY */ dcfg = READ_VID32(SC1200_DISPLAY_CONFIG); if (graphics & 0x01) dcfg &= ~SC1200_DCFG_VG_CK; else dcfg |= SC1200_DCFG_VG_CK; WRITE_VID32(SC1200_DISPLAY_CONFIG, dcfg); return (0); } /*--------------------------------------------------------------------------- * gfx_set_video_filter * * This routine enables or disables the video overlay filters. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_video_filter(int xfilter, int yfilter) #else int gfx_set_video_filter(int xfilter, int yfilter) #endif { unsigned long vcfg = 0; /* ENABLE OR DISABLE SC1200 VIDEO OVERLAY FILTERS */ vcfg = READ_VID32(SC1200_VIDEO_CONFIG); vcfg &= ~(SC1200_VCFG_X_FILTER_EN | SC1200_VCFG_Y_FILTER_EN); if (xfilter) vcfg |= SC1200_VCFG_X_FILTER_EN; if (yfilter) vcfg |= SC1200_VCFG_Y_FILTER_EN; WRITE_VID32(SC1200_VIDEO_CONFIG, vcfg); return (0); } /*--------------------------------------------------------------------------- * gfx_set_video_palette * * This routine loads the video hardware palette. If a NULL pointer is * specified, the palette is bypassed (for SC1200, this means loading the * palette with identity values). *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_video_palette(unsigned long *palette) #else int gfx_set_video_palette(unsigned long *palette) #endif { unsigned long i, entry; unsigned long dcfg, misc; /* WAIT FOR VERTICAL BLANK TO END */ /* Otherwise palette will not be written properly. */ if (gfx_test_timing_active()) { if (gfx_test_vertical_active()) { while (gfx_test_vertical_active()) ; } while (!gfx_test_vertical_active()) ; } /* LOAD SC1200 VIDEO PALETTE */ WRITE_VID32(SC1200_PALETTE_ADDRESS, 0); for (i = 0; i < 256; i++) { if (palette) entry = palette[i]; else entry = gfx_gamma_ram_1200[i] << 8; WRITE_VID32(SC1200_PALETTE_DATA, entry); } /* ENABLE THE VIDEO PALETTE */ /* Ensure that the video palette has an effect by routing video data */ /* through the palette RAM and clearing the 'Bypass Both' bit. */ dcfg = READ_VID32(SC1200_DISPLAY_CONFIG); misc = READ_VID32(SC1200_VID_MISC); dcfg |= SC1200_DCFG_GV_PAL_BYP; misc &= ~SC1200_GAMMA_BYPASS_BOTH; WRITE_VID32(SC1200_DISPLAY_CONFIG, dcfg); WRITE_VID32(SC1200_VID_MISC, misc); return (0); } /*--------------------------------------------------------------------------- * gfx_set_video_palette_entry * * This routine loads a single entry of the video hardware palette. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_video_palette_entry(unsigned long index, unsigned long palette) #else int gfx_set_video_palette_entry(unsigned long index, unsigned long palette) #endif { unsigned long dcfg, misc; if (index > 0xFF) return GFX_STATUS_BAD_PARAMETER; /* WAIT FOR VERTICAL BLANK TO END */ /* Otherwise palette will not be written properly. */ if (gfx_test_timing_active()) { if (gfx_test_vertical_active()) { while (gfx_test_vertical_active()) ; } while (!gfx_test_vertical_active()) ; } /* SET A SINGLE ENTRY */ WRITE_VID32(SC1200_PALETTE_ADDRESS, index); WRITE_VID32(SC1200_PALETTE_DATA, palette); /* ENABLE THE VIDEO PALETTE */ /* Ensure that the video palette has an effect by routing video data */ /* through the palette RAM and clearing the 'Bypass Both' bit. */ dcfg = READ_VID32(SC1200_DISPLAY_CONFIG); misc = READ_VID32(SC1200_VID_MISC); dcfg |= SC1200_DCFG_GV_PAL_BYP; misc &= ~SC1200_GAMMA_BYPASS_BOTH; WRITE_VID32(SC1200_DISPLAY_CONFIG, dcfg); WRITE_VID32(SC1200_VID_MISC, misc); return (0); } /*--------------------------------------------------------------------------- * gfx_set_video_palette_bypass * * This routine enables/disables the pallete RAM bypass. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_video_palette_bypass(int enable) #else int gfx_set_video_palette_bypass(int enable) #endif { unsigned long misc; misc = READ_VID32(SC1200_VID_MISC); if (enable) misc |= SC1200_GAMMA_BYPASS_BOTH; else misc &= ~SC1200_GAMMA_BYPASS_BOTH; WRITE_VID32(SC1200_VID_MISC, misc); return 0; } /*--------------------------------------------------------------------------- * gfx_set_video_request() * * This routine sets the horizontal (pixel) and vertical (line) video request * values. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_video_request(short x, short y) #else int gfx_set_video_request(short x, short y) #endif { /* SET SC1200 VIDEO REQUEST */ x += gfx_get_htotal() - gfx_get_hsync_end() - 2; y += gfx_get_vtotal() - gfx_get_vsync_end() + 1; if ((x < 0) || (x > SC1200_VIDEO_REQUEST_MASK) || (y < 0) || (y > SC1200_VIDEO_REQUEST_MASK)) return GFX_STATUS_BAD_PARAMETER; WRITE_VID32(SC1200_VIDEO_REQUEST, ((unsigned long)x << SC1200_VIDEO_X_REQUEST_POS) | ((unsigned long)y << SC1200_VIDEO_Y_REQUEST_POS)); return (0); } /*--------------------------------------------------------------------------- * gfx_set_video_source() * * This routine sets the video source to either memory or Direct VIP. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_video_source(VideoSourceType source) #else int gfx_set_video_source(VideoSourceType source) #endif { unsigned long display_mode; display_mode = READ_VID32(SC1200_VIDEO_DISPLAY_MODE); /* SET SC1200 VIDEO SOURCE */ switch (source) { case VIDEO_SOURCE_MEMORY: WRITE_VID32(SC1200_VIDEO_DISPLAY_MODE, (display_mode & ~SC1200_VIDEO_SOURCE_MASK) | SC1200_VIDEO_SOURCE_GX1); break; case VIDEO_SOURCE_DVIP: WRITE_VID32(SC1200_VIDEO_DISPLAY_MODE, (display_mode & ~SC1200_VIDEO_SOURCE_MASK) | SC1200_VIDEO_SOURCE_DVIP); break; default: return GFX_STATUS_BAD_PARAMETER; } return (0); } /*--------------------------------------------------------------------------- * gfx_set_vbi_source() * * This routine sets the vbi source to either memory or Direct VIP. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_vbi_source(VbiSourceType source) #else int gfx_set_vbi_source(VbiSourceType source) #endif { unsigned long display_mode; display_mode = READ_VID32(SC1200_VIDEO_DISPLAY_MODE); /* SET SC1200 VBI SOURCE */ switch (source) { case VBI_SOURCE_MEMORY: WRITE_VID32(SC1200_VIDEO_DISPLAY_MODE, (display_mode & ~SC1200_VBI_SOURCE_MASK) | SC1200_VBI_SOURCE_GX1); break; case VBI_SOURCE_DVIP: WRITE_VID32(SC1200_VIDEO_DISPLAY_MODE, (display_mode & ~SC1200_VBI_SOURCE_MASK) | SC1200_VBI_SOURCE_DVIP); break; default: return GFX_STATUS_BAD_PARAMETER; } return (0); } /*--------------------------------------------------------------------------- * gfx_set_vbi_lines() * * This routine sets the VBI lines to pass to the TV encoder. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_vbi_lines(unsigned long even, unsigned long odd) #else int gfx_set_vbi_lines(unsigned long even, unsigned long odd) #endif { /* SET SC1200 VBI LINES */ WRITE_VID32(SC1200_VIDEO_EVEN_VBI_LINE_ENABLE, even & SC1200_VIDEO_VBI_LINE_ENABLE_MASK); WRITE_VID32(SC1200_VIDEO_ODD_VBI_LINE_ENABLE, odd & SC1200_VIDEO_VBI_LINE_ENABLE_MASK); return (0); } /*--------------------------------------------------------------------------- * gfx_set_vbi_total() * * This routine sets the total number of VBI bytes for each field. * The total is needed when both VBI and active video are received from memory *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_vbi_total(unsigned long even, unsigned long odd) #else int gfx_set_vbi_total(unsigned long even, unsigned long odd) #endif { /* SET SC1200 VBI TOTAL */ WRITE_VID32(SC1200_VIDEO_EVEN_VBI_TOTAL_COUNT, even & SC1200_VIDEO_VBI_TOTAL_COUNT_MASK); WRITE_VID32(SC1200_VIDEO_ODD_VBI_TOTAL_COUNT, odd & SC1200_VIDEO_VBI_TOTAL_COUNT_MASK); return (0); } /*--------------------------------------------------------------------------- * gfx_set_video_interlaced() * * This routine configures the video processor video overlay mode to be * interlaced YUV. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_video_interlaced(int enable) #else int gfx_set_video_interlaced(int enable) #endif { unsigned long control; control = READ_VID32(SC1200_VID_ALPHA_CONTROL); /* SET INTERLACED VIDEO */ if (enable) WRITE_VID32(SC1200_VID_ALPHA_CONTROL, control | SC1200_VIDEO_IS_INTERLACED); else WRITE_VID32(SC1200_VID_ALPHA_CONTROL, control & ~SC1200_VIDEO_IS_INTERLACED); return (0); } /*--------------------------------------------------------------------------- * gfx_set_color_space_YUV() * * This routine configures the video processor to process graphics and video * in either YUV or RGB color space. The mode should be set to tune image * quality. * Setting "enable" to TRUE improves image quality on TV, * but in this mode colors on CRT will not be correct. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_color_space_YUV(int enable) #else int gfx_set_color_space_YUV(int enable) #endif { unsigned long control; control = READ_VID32(SC1200_VID_ALPHA_CONTROL); /* SET SC1200 VIDEO COLOR SPACE TO YUV OR RGB */ if (enable) { /* ENABLE YUV BLENDING */ /* YUV blending cannot be enabled in RGB video formats */ control |= SC1200_CSC_GFX_RGB_TO_YUV; /* Convert graphics to YUV */ control &= ~SC1200_CSC_VIDEO_YUV_TO_RGB; /* Leave video in YUV */ if (control & SC1200_VIDEO_INPUT_IS_RGB) return (GFX_STATUS_UNSUPPORTED); /* Can't convert video from * RGB to YUV */ } else { /* RGB BLENDING */ control &= ~SC1200_CSC_GFX_RGB_TO_YUV; /* Leave graphics in RGB */ if (control & SC1200_VIDEO_INPUT_IS_RGB) control &= ~SC1200_CSC_VIDEO_YUV_TO_RGB; /* Leave video in RGB */ else control |= SC1200_CSC_VIDEO_YUV_TO_RGB; /* Convert video to RGB */ } WRITE_VID32(SC1200_VID_ALPHA_CONTROL, control); return (0); } /*--------------------------------------------------------------------------- * gfx_set_vertical_scaler_offset() * * This routine sets the value by which the odd frame is shifted with respect * to the even frame. This is useful for de-interlacing in Bob method, by * setting the shift value to be one line. * If offset is 0, no shifting occurs. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_vertical_scaler_offset(char offset) #else int gfx_set_vertical_scaler_offset(char offset) #endif { unsigned long control; control = READ_VID32(SC1200_VID_ALPHA_CONTROL); if (offset == 1) { control &= ~SC1200_VERTICAL_SCALER_SHIFT_MASK; /* Clear shifting value */ control |= SC1200_VERTICAL_SCALER_SHIFT_INIT; /* Set shifting value */ control |= SC1200_VERTICAL_SCALER_SHIFT_EN; /* Enable odd frame shifting */ } else if (offset == 0) { control &= ~SC1200_VERTICAL_SCALER_SHIFT_EN; /* No shifting occurs */ control &= ~SC1200_VERTICAL_SCALER_SHIFT_MASK; /* Clear shifting value */ } else return (GFX_STATUS_BAD_PARAMETER); /* TODO: how to program other values ? */ WRITE_VID32(SC1200_VID_ALPHA_CONTROL, control); return (0); } /*--------------------------------------------------------------------------- * gfx_set_top_line_in_odd() * * This routine sets the field in which the top line of input video resides. * If enable is "0", this is the even field (default). [not to be confused * with the odd field being the top field on TV]. * If enable is "1", this is the odd field. * Use enable "1" for input devices whose field indication is reversed from * normal, i.e. an indication of "odd" field is given for even field data, * and vice versa. * This setting affects the video processor only when it is in either * interlaced or Bob (scaler offset active) modes. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_top_line_in_odd(int enable) #else int gfx_set_top_line_in_odd(int enable) #endif { unsigned long control; control = READ_VID32(SC1200_VID_ALPHA_CONTROL); if (enable) control |= SC1200_TOP_LINE_IN_ODD; /* Set shifting value */ else control &= ~SC1200_TOP_LINE_IN_ODD; /* No shifting occurs */ WRITE_VID32(SC1200_VID_ALPHA_CONTROL, control); return (0); } /*--------------------------------------------------------------------------- * gfx_set_genlock_delay() * * This routine sets the delay between VIP VSYNC and display controller VSYNC. * The delay is in 27 MHz clocks. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_genlock_delay(unsigned long delay) #else int gfx_set_genlock_delay(unsigned long delay) #endif { /* SET SC1200 GENLOCK DELAY */ WRITE_VID32(SC1200_GENLOCK_DELAY, delay & SC1200_GENLOCK_DELAY_MASK); return (0); } /*--------------------------------------------------------------------------- * gfx_set_genlock_enable() * * This routine sets and configures the genlock according to the flags * parameter. * Flags value of 0 disables genlock and resets its configuration. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_genlock_enable(int flags) #else int gfx_set_genlock_enable(int flags) #endif { unsigned long genlock = 0; if (flags) { /* SET SC1200 GENLOCK CONFIGURATION */ if (flags & GENLOCK_SINGLE) genlock |= SC1200_GENLOCK_SINGLE_ENABLE; if (flags & GENLOCK_FIELD_SYNC) genlock |= SC1200_GENLOCK_FIELD_SYNC_ENABLE; if (flags & GENLOCK_CONTINUOUS) genlock |= SC1200_GENLOCK_CONTINUOUS_ENABLE; if (flags & GENLOCK_SYNCED_EDGE_FALLING) genlock |= SC1200_GENLOCK_GX_VSYNC_FALLING_EDGE; if (flags & GENLOCK_SYNCING_EDGE_FALLING) genlock |= SC1200_GENLOCK_VIP_VSYNC_FALLING_EDGE; if (flags & GENLOCK_TIMEOUT) genlock |= SC1200_GENLOCK_TIMEOUT_ENABLE; if (flags & GENLOCK_TVENC_RESET_EVEN_FIELD) genlock |= SC1200_GENLOCK_TVENC_RESET_EVEN_FIELD; if (flags & GENLOCK_TVENC_RESET_BEFORE_DELAY) genlock |= SC1200_GENLOCK_TVENC_RESET_BEFORE_DELAY; if (flags & GENLOCK_TVENC_RESET) genlock |= SC1200_GENLOCK_TVENC_RESET_ENABLE; if (flags & GENLOCK_SYNC_TO_TVENC) genlock |= SC1200_GENLOCK_SYNC_TO_TVENC; } WRITE_VID32(SC1200_GENLOCK, genlock); return (0); } /*--------------------------------------------------------------------------- * gfx_set_video_cursor() * * This routine configures the video hardware cursor. * If the "mask"ed bits in the graphics pixel match "key", then either * "color1" or "color2" will be used for this pixel, according to the value of * bit number "select_color2" of the graphics pixel. * * key - 24 bit RGB value * mask - 24 bit mask * color1, color2 - RGB or YUV, depending on the current color space * conversion select_color2 - value between 0 to 23 * * To disable match, a "mask" and "key" value of 0xffffff should be set, * because the graphics pixels incoming to the video processor have maximum 16 * bits set (0xF8FCF8). * * This feature is useful for disabling alpha blending of the cursor. * Otherwise cursor image would be blurred (or completely invisible if video * alpha is maximum value). * Note: the cursor pixel replacements take place both inside and outside the * video overlay window. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_video_cursor(unsigned long key, unsigned long mask, unsigned short select_color2, unsigned long color1, unsigned long color2) #else int gfx_set_video_cursor(unsigned long key, unsigned long mask, unsigned short select_color2, unsigned long color1, unsigned long color2) #endif { if (select_color2 > SC1200_CURSOR_COLOR_BITS) return GFX_STATUS_BAD_PARAMETER; key = (key & SC1200_COLOR_MASK) | ((unsigned long)select_color2 << SC1200_CURSOR_COLOR_KEY_OFFSET_POS); WRITE_VID32(SC1200_CURSOR_COLOR_KEY, key); WRITE_VID32(SC1200_CURSOR_COLOR_MASK, mask); WRITE_VID32(SC1200_CURSOR_COLOR_1, color1); WRITE_VID32(SC1200_CURSOR_COLOR_2, color2); return (0); } /*--------------------------------------------------------------------------- * gfx_set_alpha_enable * * This routine enables or disables the currently selected alpha region. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_alpha_enable(int enable) #else int gfx_set_alpha_enable(int enable) #endif { unsigned long address = 0, value = 0; if (gfx_alpha_select > 2) return (GFX_STATUS_UNSUPPORTED); address = SC1200_ALPHA_CONTROL_1 + ((unsigned long)gfx_alpha_select << 4); value = READ_VID32(address); if (enable) value |= (SC1200_ACTRL_WIN_ENABLE | SC1200_ACTRL_LOAD_ALPHA); else value &= ~(SC1200_ACTRL_WIN_ENABLE); WRITE_VID32(address, value); return (GFX_STATUS_OK); } /*--------------------------------------------------------------------------- * gfx_set_alpha_window * * This routine sets the size of the currently selected alpha region. * Note: "x" and "y" are signed to enable using negative values needed for * implementing workarounds of hardware issues. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_alpha_window(short x, short y, unsigned short width, unsigned short height) #else int gfx_set_alpha_window(short x, short y, unsigned short width, unsigned short height) #endif { unsigned long address = 0; /* CHECK FOR CLIPPING */ if ((x + width) > gfx_get_hactive()) width = gfx_get_hactive() - x; if ((y + height) > gfx_get_vactive()) height = gfx_get_vactive() - y; /* ADJUST POSITIONS */ x += gfx_get_htotal() - gfx_get_hsync_end() - 2; y += gfx_get_vtotal() - gfx_get_vsync_end() + 1; if (gfx_alpha_select > 2) return (GFX_STATUS_UNSUPPORTED); address = SC1200_ALPHA_XPOS_1 + ((unsigned long)gfx_alpha_select << 4); /* End positions in register are non-inclusive (one more than the actual * end) */ WRITE_VID32(address, (unsigned long)x | ((unsigned long)(x + width) << 16)); WRITE_VID32(address + 4l, (unsigned long)y | ((unsigned long)(y + height) << 16)); return (GFX_STATUS_OK); } /*--------------------------------------------------------------------------- * gfx_set_alpha_value * * This routine sets the alpha value for the currently selected alpha * region. It also specifies an increment/decrement value for fading. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_alpha_value(unsigned char alpha, char delta) #else int gfx_set_alpha_value(unsigned char alpha, char delta) #endif { unsigned long address = 0, value = 0; unsigned char new_value = 0; int loop = 1; if (gfx_alpha_select > 2) return (GFX_STATUS_UNSUPPORTED); address = SC1200_ALPHA_CONTROL_1 + ((unsigned long)gfx_alpha_select << 4); value = READ_VID32(address); value &= SC1200_ACTRL_WIN_ENABLE; /* keep only enable bit */ value |= (unsigned long)alpha; value |= (((unsigned long)delta) & 0xff) << 8; value |= SC1200_ACTRL_LOAD_ALPHA; WRITE_VID32(address, value); /* WORKAROUND FOR ISSUE #1187 */ /* Need to verify that the alpha operation succeeded */ while (1) { /* WAIT FOR VERTICAL BLANK TO END */ if (gfx_test_timing_active()) { if (gfx_test_vertical_active()) while (gfx_test_vertical_active()) ; while (!gfx_test_vertical_active()) ; } new_value = (unsigned char)((READ_VID32(SC1200_ALPHA_WATCH) >> (gfx_alpha_select << 3)) & 0xff); if (new_value == alpha) return GFX_STATUS_OK; if (++loop > 10) return GFX_STATUS_ERROR; WRITE_VID32(address, value); } } /*--------------------------------------------------------------------------- * gfx_set_alpha_priority * * This routine sets the priority of the currently selected alpha region. * A higher value indicates a higher priority. * Note: Priority of enabled alpha windows must be different. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_alpha_priority(int priority) #else int gfx_set_alpha_priority(int priority) #endif { unsigned long pos = 0, value = 0; if (priority > 3) return (GFX_STATUS_BAD_PARAMETER); if (gfx_alpha_select > 2) return (GFX_STATUS_UNSUPPORTED); value = READ_VID32(SC1200_VID_ALPHA_CONTROL); pos = 16 + (gfx_alpha_select << 1); value &= ~(0x03l << pos); value |= (unsigned long)priority << pos; WRITE_VID32(SC1200_VID_ALPHA_CONTROL, value); return (GFX_STATUS_OK); } /*--------------------------------------------------------------------------- * gfx_set_alpha_color * * This routine sets the color to be displayed inside the currently selected * alpha window when there is a color key match (when the alpha color * mechanism is enabled). * "color" is a 24 bit RGB value (for RGB blending) or YUV value (for YUV * blending). * In Interlaced YUV blending mode, Y/2 value should be used. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_alpha_color(unsigned long color) #else int gfx_set_alpha_color(unsigned long color) #endif { unsigned long address = 0; if (gfx_alpha_select > 2) return (GFX_STATUS_UNSUPPORTED); address = SC1200_ALPHA_COLOR_1 + ((unsigned long)gfx_alpha_select << 4); /* ONLY 24 VALID BITS */ color &= 0xffffffl; /* KEEP UPPER BYTE UNCHANGED */ WRITE_VID32(address, (color | (READ_VID32(address) & ~0xffffffl))); return (GFX_STATUS_OK); } /*--------------------------------------------------------------------------- * gfx_set_alpha_color_enable * * Enable or disable the color mechanism in the alpha window. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_alpha_color_enable(int enable) #else int gfx_set_alpha_color_enable(int enable) #endif { unsigned long color; unsigned long address = 0; if (gfx_alpha_select > 2) return (GFX_STATUS_UNSUPPORTED); address = SC1200_ALPHA_COLOR_1 + ((unsigned long)gfx_alpha_select << 4); color = READ_VID32(address); if (enable) color |= SC1200_ALPHA_COLOR_ENABLE; else color &= ~SC1200_ALPHA_COLOR_ENABLE; WRITE_VID32(address, color); return (GFX_STATUS_OK); } /*--------------------------------------------------------------------------- * gfx_set_no_ck_outside_alpha * * This function affects where inside the video window color key or chroma * key comparison is done: * If enable is TRUE, color/chroma key comparison is performed only inside * the enabled alpha windows. Outside the (enabled) alpha windows, only video * is displayed if color key is used, and only graphics is displayed if chroma * key is used. * If enable is FALSE, color/chroma key comparison is performed in all the * video window area. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_no_ck_outside_alpha(int enable) #else int gfx_set_no_ck_outside_alpha(int enable) #endif { unsigned long value; value = READ_VID32(SC1200_VID_ALPHA_CONTROL); if (enable) WRITE_VID32(SC1200_VID_ALPHA_CONTROL, value | SC1200_NO_CK_OUTSIDE_ALPHA); else WRITE_VID32(SC1200_VID_ALPHA_CONTROL, value & ~SC1200_NO_CK_OUTSIDE_ALPHA); return (0); } /*--------------------------------------------------------------------------- * gfx_set_macrovision_enable * * This routine enables or disables macrovision on the tv encoder output. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_set_macrovision_enable(int enable) #else int gfx_set_macrovision_enable(int enable) #endif { if (enable) WRITE_VID32(SC1200_TVENC_MV_CONTROL, SC1200_TVENC_MV_ENABLE); else WRITE_VID32(SC1200_TVENC_MV_CONTROL, 0); return (GFX_STATUS_OK); } #define SC1200_VIDEO_PCI_44 0x80009444 /*--------------------------------------------------------------------------- * gfx_disable_softvga * * Disables SoftVga. This function is only valid with VSA2, Returns 1 if * SoftVga can be disabled; 0 if not. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_disable_softvga(void) #else int gfx_disable_softvga(void) #endif { unsigned long reg_val; /* get the current value */ reg_val = gfx_pci_config_read(SC1200_VIDEO_PCI_44); /* setting video PCI register 44 bit 0 to 1 disables SoftVga */ reg_val |= 0x1; gfx_pci_config_write(SC1200_VIDEO_PCI_44, reg_val); /* see if we set the bit and return the appropriate value */ reg_val = gfx_pci_config_read(SC1200_VIDEO_PCI_44); if ((reg_val & 0x1) == 0x1) return (1); else return (0); } /*--------------------------------------------------------------------------- * gfx_enable_softvga * * Enables SoftVga. This function is only valid with VSA2, Returns 1 if * SoftVga can be enbled; 0 if not. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_enable_softvga(void) #else int gfx_enable_softvga(void) #endif { unsigned long reg_val; /* get the current value */ reg_val = gfx_pci_config_read(SC1200_VIDEO_PCI_44); /* clearing video PCI register 44 bit 0 enables SoftVga */ gfx_pci_config_write(SC1200_VIDEO_PCI_44, reg_val & 0xfffffffel); /* see if we cleared the bit and return the appropriate value */ reg_val = gfx_pci_config_read(SC1200_VIDEO_PCI_44); if ((reg_val & 0x1) == 0) return (1); else return (0); } /*--------------------------------------------------------------------------- * gfx_get_clock_frequency * * This routine returns the current clock frequency in 16.16 format. * It reads the current register value and finds the match in the table. * If no match is found, this routine returns 0. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC unsigned long sc1200_get_clock_frequency(void) #else unsigned long gfx_get_clock_frequency(void) #endif { unsigned int index; unsigned long value, mask; mask = 0x007FFF0F; value = READ_VID32(SC1200_VID_CLOCK_SELECT) & mask; for (index = 0; index < NUM_SC1200_FREQUENCIES; index++) { if ((gfx_sc1200_clock_table[index].clock_select & mask) == value) return (gfx_sc1200_clock_table[index].frequency); } return (0); } /*--------------------------------------------------------------------------- * gfx_get_max_video_width * * This routine returns the maximum theoretical video width for the current * display mode. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC unsigned long sc1200_get_max_video_width(void) #else unsigned long gfx_get_max_video_width(void) #endif { /* RETURN MPEG2 MAXIMUM */ return 720; } /*************************************************************/ /* READ ROUTINES | INCLUDED FOR DIAGNOSTIC PURPOSES ONLY */ /*************************************************************/ #if GFX_READ_ROUTINES /*--------------------------------------------------------------------------- * gfx_get_vsa2_softvga_enable * * This function returns the enable status of SoftVGA. It is valid * only if VSAII is present. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_get_vsa2_softvga_enable(void) #else int gfx_get_vsa2_softvga_enable(void) #endif { unsigned long reg_val; reg_val = gfx_pci_config_read(SC1200_VIDEO_PCI_44); if ((reg_val & 0x1) == 0) return (1); else return (0); } /*--------------------------------------------------------------------------- * gfx_get_sync_polarities * * This routine returns the polarities of the sync pulses: * Bit 0: Set if negative horizontal polarity. * Bit 1: Set if negative vertical polarity. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_get_sync_polarities(void) #else int gfx_get_sync_polarities(void) #endif { int polarities = 0; if (READ_VID32(SC1200_DISPLAY_CONFIG) & SC1200_DCFG_CRT_HSYNC_POL) polarities |= 1; if (READ_VID32(SC1200_DISPLAY_CONFIG) & SC1200_DCFG_CRT_VSYNC_POL) polarities |= 2; return (polarities); } /*--------------------------------------------------------------------------- * gfx_get_video_palette_entry * * This routine returns a single palette entry. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_get_video_palette_entry(unsigned long index, unsigned long *palette) #else int gfx_get_video_palette_entry(unsigned long index, unsigned long *palette) #endif { if (index > 0xFF) return GFX_STATUS_BAD_PARAMETER; /* READ A SINGLE ENTRY */ WRITE_VID32(SC1200_PALETTE_ADDRESS, index); *palette = READ_VID32(SC1200_PALETTE_DATA); return (GFX_STATUS_OK); } /*----------------------------------------------------------------------------- * gfx_get_video_enable * * This routine returns the value "one" if video overlay is currently enabled, * otherwise it returns the value "zero". *----------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_get_video_enable(void) #else int gfx_get_video_enable(void) #endif { if (READ_VID32(SC1200_VIDEO_CONFIG) & SC1200_VCFG_VID_EN) return (1); return (0); } /*----------------------------------------------------------------------------- * gfx_get_video_format * * This routine returns the current video overlay format. *----------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_get_video_format(void) #else int gfx_get_video_format(void) #endif { unsigned long ctrl, vcfg; ctrl = READ_VID32(SC1200_VID_ALPHA_CONTROL); vcfg = READ_VID32(SC1200_VIDEO_CONFIG); if (ctrl & SC1200_VIDEO_INPUT_IS_RGB) { switch (vcfg & SC1200_VCFG_VID_INP_FORMAT) { case SC1200_VCFG_UYVY_FORMAT: return VIDEO_FORMAT_RGB; case SC1200_VCFG_Y2YU_FORMAT: return VIDEO_FORMAT_P2M_P2L_P1M_P1L; case SC1200_VCFG_YUYV_FORMAT: return VIDEO_FORMAT_P1M_P1L_P2M_P2L; case SC1200_VCFG_YVYU_FORMAT: return VIDEO_FORMAT_P1M_P2L_P2M_P1L; } } if (vcfg & SC1200_VCFG_4_2_0_MODE) { switch (vcfg & SC1200_VCFG_VID_INP_FORMAT) { case SC1200_VCFG_UYVY_FORMAT: return VIDEO_FORMAT_Y0Y1Y2Y3; case SC1200_VCFG_Y2YU_FORMAT: return VIDEO_FORMAT_Y3Y2Y1Y0; case SC1200_VCFG_YUYV_FORMAT: return VIDEO_FORMAT_Y1Y0Y3Y2; case SC1200_VCFG_YVYU_FORMAT: return VIDEO_FORMAT_Y1Y2Y3Y0; } } else { switch (vcfg & SC1200_VCFG_VID_INP_FORMAT) { case SC1200_VCFG_UYVY_FORMAT: return VIDEO_FORMAT_UYVY; case SC1200_VCFG_Y2YU_FORMAT: return VIDEO_FORMAT_Y2YU; case SC1200_VCFG_YUYV_FORMAT: return VIDEO_FORMAT_YUYV; case SC1200_VCFG_YVYU_FORMAT: return VIDEO_FORMAT_YVYU; } } return (GFX_STATUS_ERROR); } /*---------------------------------------------------------------------------- * gfx_get_video_src_size * * This routine returns the size of the source video overlay buffer. The * return value is (height << 16) | width. *---------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC unsigned long sc1200_get_video_src_size(void) #else unsigned long gfx_get_video_src_size(void) #endif { unsigned long width = 0, height = 0; /* DETERMINE SOURCE WIDTH FROM THE SC1200 VIDEO LINE SIZE */ width = (READ_VID32(SC1200_VIDEO_CONFIG) >> 7) & 0x000001FE; if (READ_VID32(SC1200_VIDEO_CONFIG) & SC1200_VCFG_LINE_SIZE_UPPER) width += 512l; if (width) { /* DETERMINE HEIGHT BY DIVIDING TOTAL SIZE BY WIDTH */ /* Get total size from display controller - abtracted. */ height = gfx_get_display_video_size() / (width << 1); } return ((height << 16) | width); } /*---------------------------------------------------------------------------- * gfx_get_video_line_size * * This routine returns the line size of the source video overlay buffer, in * pixels. *---------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC unsigned long sc1200_get_video_line_size(void) #else unsigned long gfx_get_video_line_size(void) #endif { unsigned long width = 0; /* DETERMINE SOURCE WIDTH FROM THE SC1200 VIDEO LINE SIZE */ width = (READ_VID32(SC1200_VIDEO_CONFIG) >> 7) & 0x000001FE; if (READ_VID32(SC1200_VIDEO_CONFIG) & SC1200_VCFG_LINE_SIZE_UPPER) width += 512l; return (width); } /*---------------------------------------------------------------------------- * gfx_get_video_xclip * * This routine returns the number of bytes clipped on the left side of a * video overlay line (skipped at beginning). *---------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC unsigned long sc1200_get_video_xclip(void) #else unsigned long gfx_get_video_xclip(void) #endif { unsigned long clip = 0; /* DETERMINE SOURCE WIDTH FROM THE SC1200 VIDEO LINE SIZE */ clip = (READ_VID32(SC1200_VIDEO_CONFIG) >> 14) & 0x000007FC; return (clip); } /*---------------------------------------------------------------------------- * gfx_get_video_offset * * This routine returns the current offset for the video overlay buffer. *---------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC unsigned long sc1200_get_video_offset(void) #else unsigned long gfx_get_video_offset(void) #endif { return (gfx_get_display_video_offset()); } /*--------------------------------------------------------------------------- * gfx_get_video_upscale * * This routine returns the scale factor for the video overlay window. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC unsigned long sc1200_get_video_upscale(void) #else unsigned long gfx_get_video_upscale(void) #endif { return (READ_VID32(SC1200_VIDEO_UPSCALE)); } /*--------------------------------------------------------------------------- * gfx_get_video_scale * * This routine returns the scale factor for the video overlay window. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC unsigned long sc1200_get_video_scale(void) #else unsigned long gfx_get_video_scale(void) #endif { return gfx_get_video_upscale(); } /*--------------------------------------------------------------------------- * gfx_get_video_downscale_config * * This routine returns the current type and value of video downscaling. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_get_video_downscale_config(unsigned short *type, unsigned short *m) #else int gfx_get_video_downscale_config(unsigned short *type, unsigned short *m) #endif { unsigned long downscale; downscale = READ_VID32(SC1200_VIDEO_DOWNSCALER_CONTROL); *m = (unsigned short)((downscale & SC1200_VIDEO_DOWNSCALE_FACTOR_MASK) >> SC1200_VIDEO_DOWNSCALE_FACTOR_POS) + 1; switch (downscale & SC1200_VIDEO_DOWNSCALE_TYPE_MASK) { case SC1200_VIDEO_DOWNSCALE_TYPE_A: *type = VIDEO_DOWNSCALE_KEEP_1_OF; break; case SC1200_VIDEO_DOWNSCALE_TYPE_B: *type = VIDEO_DOWNSCALE_DROP_1_OF; break; default: return GFX_STATUS_ERROR; break; } return (0); } /*--------------------------------------------------------------------------- * gfx_get_video_downscale_coefficients * * This routine returns the current video downscaling coefficients. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC void sc1200_get_video_downscale_coefficients(unsigned short *coef1, unsigned short *coef2, unsigned short *coef3, unsigned short *coef4) #else void gfx_get_video_downscale_coefficients(unsigned short *coef1, unsigned short *coef2, unsigned short *coef3, unsigned short *coef4) #endif { unsigned long coef; coef = READ_VID32(SC1200_VIDEO_DOWNSCALER_COEFFICIENTS); *coef1 = (unsigned short)((coef >> SC1200_VIDEO_DOWNSCALER_COEF1_POS) & SC1200_VIDEO_DOWNSCALER_COEF_MASK); *coef2 = (unsigned short)((coef >> SC1200_VIDEO_DOWNSCALER_COEF2_POS) & SC1200_VIDEO_DOWNSCALER_COEF_MASK); *coef3 = (unsigned short)((coef >> SC1200_VIDEO_DOWNSCALER_COEF3_POS) & SC1200_VIDEO_DOWNSCALER_COEF_MASK); *coef4 = (unsigned short)((coef >> SC1200_VIDEO_DOWNSCALER_COEF4_POS) & SC1200_VIDEO_DOWNSCALER_COEF_MASK); return; } /*--------------------------------------------------------------------------- * gfx_get_video_downscale_enable * * This routine returns 1 if video downscaling is currently enabled, * or 0 if it is currently disabled. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC void sc1200_get_video_downscale_enable(int *enable) #else void gfx_get_video_downscale_enable(int *enable) #endif { if (READ_VID32(SC1200_VIDEO_DOWNSCALER_CONTROL) & SC1200_VIDEO_DOWNSCALE_ENABLE) *enable = 1; else *enable = 0; return; } /*--------------------------------------------------------------------------- * gfx_get_video_dst_size * * This routine returns the size of the displayed video overlay window. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC unsigned long sc1200_get_video_dst_size(void) #else unsigned long gfx_get_video_dst_size(void) #endif { unsigned long xsize, ysize; xsize = READ_VID32(SC1200_VIDEO_X_POS); xsize = ((xsize >> 16) & 0x7FF) - (xsize & 0x7FF); ysize = READ_VID32(SC1200_VIDEO_Y_POS); ysize = ((ysize >> 16) & 0x7FF) - (ysize & 0x7FF); return ((ysize << 16) | xsize); } /*--------------------------------------------------------------------------- * gfx_get_video_position * * This routine returns the position of the video overlay window. The * return value is (ypos << 16) | xpos. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC unsigned long sc1200_get_video_position(void) #else unsigned long gfx_get_video_position(void) #endif { unsigned long hadjust, vadjust; unsigned long xpos, ypos; /* READ HARDWARE POSITION */ xpos = READ_VID32(SC1200_VIDEO_X_POS) & 0x000007FF; ypos = READ_VID32(SC1200_VIDEO_Y_POS) & 0x000007FF; /* GET ADJUSTMENT VALUES */ /* Use routines to abstract version of display controller. */ hadjust = (unsigned long)gfx_get_htotal() - (unsigned long)gfx_get_hsync_end() - 14l; vadjust = (unsigned long)gfx_get_vtotal() - (unsigned long)gfx_get_vsync_end() + 1l; xpos -= hadjust; ypos -= vadjust; return ((ypos << 16) | (xpos & 0x0000FFFF)); } /*--------------------------------------------------------------------------- * gfx_get_video_color_key * * This routine returns the current video color key value. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC unsigned long sc1200_get_video_color_key(void) #else unsigned long gfx_get_video_color_key(void) #endif { return (READ_VID32(SC1200_VIDEO_COLOR_KEY)); } /*--------------------------------------------------------------------------- * gfx_get_video_color_key_mask * * This routine returns the current video color mask value. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC unsigned long sc1200_get_video_color_key_mask(void) #else unsigned long gfx_get_video_color_key_mask(void) #endif { return (READ_VID32(SC1200_VIDEO_COLOR_MASK)); } /*--------------------------------------------------------------------------- * gfx_get_video_color_key_src * * This routine returns 0 for video data compare, 1 for graphics data. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_get_video_color_key_src(void) #else int gfx_get_video_color_key_src(void) #endif { if (READ_VID32(SC1200_DISPLAY_CONFIG) & SC1200_DCFG_VG_CK) return (0); return (1); } /*--------------------------------------------------------------------------- * gfx_get_video_filter * * This routine returns if the filters are currently enabled. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_get_video_filter(void) #else int gfx_get_video_filter(void) #endif { int retval = 0; if (READ_VID32(SC1200_VIDEO_CONFIG) & SC1200_VCFG_X_FILTER_EN) retval |= 1; if (READ_VID32(SC1200_VIDEO_CONFIG) & SC1200_VCFG_Y_FILTER_EN) retval |= 2; return (retval); } /*--------------------------------------------------------------------------- * gfx_get_video_request * * This routine returns the horizontal (pixel) and vertical (lines) video * request values. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_get_video_request(short *x, short *y) #else int gfx_get_video_request(short *x, short *y) #endif { int request = 0; request = (int)(READ_VID32(SC1200_VIDEO_REQUEST)); *x = (request >> SC1200_VIDEO_X_REQUEST_POS) & SC1200_VIDEO_REQUEST_MASK; *y = (request >> SC1200_VIDEO_Y_REQUEST_POS) & SC1200_VIDEO_REQUEST_MASK; *x -= gfx_get_htotal() - gfx_get_hsync_end() - 2; *y -= gfx_get_vtotal() - gfx_get_vsync_end() + 1; return (0); } /*--------------------------------------------------------------------------- * gfx_get_video_source * * This routine returns the current video source. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_get_video_source(VideoSourceType * source) #else int gfx_get_video_source(VideoSourceType * source) #endif { switch (READ_VID32(SC1200_VIDEO_DISPLAY_MODE) & SC1200_VIDEO_SOURCE_MASK) { case SC1200_VIDEO_SOURCE_GX1: *source = VIDEO_SOURCE_MEMORY; break; case SC1200_VIDEO_SOURCE_DVIP: *source = VIDEO_SOURCE_DVIP; break; default: return GFX_STATUS_ERROR; } return (0); } /*--------------------------------------------------------------------------- * gfx_get_vbi_source * * This routine returns the current vbi source. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_get_vbi_source(VbiSourceType * source) #else int gfx_get_vbi_source(VbiSourceType * source) #endif { switch (READ_VID32(SC1200_VIDEO_DISPLAY_MODE) & SC1200_VBI_SOURCE_MASK) { case SC1200_VBI_SOURCE_GX1: *source = VBI_SOURCE_MEMORY; break; case SC1200_VBI_SOURCE_DVIP: *source = VBI_SOURCE_DVIP; break; default: return GFX_STATUS_ERROR; } return (0); } /*--------------------------------------------------------------------------- * gfx_get_vbi_lines * * This routine returns the VBI lines which are sent to the TV encoder. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC unsigned long sc1200_get_vbi_lines(int odd) #else unsigned long gfx_get_vbi_lines(int odd) #endif { if (odd) return (READ_VID32(SC1200_VIDEO_ODD_VBI_LINE_ENABLE) & SC1200_VIDEO_VBI_LINE_ENABLE_MASK); return (READ_VID32(SC1200_VIDEO_EVEN_VBI_LINE_ENABLE) & SC1200_VIDEO_VBI_LINE_ENABLE_MASK); } /*--------------------------------------------------------------------------- * gfx_get_vbi_total * * This routine returns the total number of VBI bytes in the field. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC unsigned long sc1200_get_vbi_total(int odd) #else unsigned long gfx_get_vbi_total(int odd) #endif { if (odd) return (READ_VID32(SC1200_VIDEO_ODD_VBI_TOTAL_COUNT) & SC1200_VIDEO_VBI_TOTAL_COUNT_MASK); return (READ_VID32(SC1200_VIDEO_EVEN_VBI_TOTAL_COUNT) & SC1200_VIDEO_VBI_TOTAL_COUNT_MASK); } /*--------------------------------------------------------------------------- * gfx_get_video_interlaced() * * This routine returns "1" if input video is currently in interlaced mode. * "0" otherwise. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_get_video_interlaced(void) #else int gfx_get_video_interlaced(void) #endif { if (READ_VID32(SC1200_VID_ALPHA_CONTROL) & SC1200_VIDEO_IS_INTERLACED) return (1); else return (0); } /*--------------------------------------------------------------------------- * gfx_get_color_space_YUV() * * This routine returns "1" if video processor color space mode is currently * YUV. "0" otherwise. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_get_color_space_YUV(void) #else int gfx_get_color_space_YUV(void) #endif { unsigned long control; control = READ_VID32(SC1200_VID_ALPHA_CONTROL); /* IS SC1200 VIDEO COLOR SPACE RGB OR CONVERTED TO RGB */ if ((control & SC1200_VIDEO_INPUT_IS_RGB) || (control & SC1200_CSC_VIDEO_YUV_TO_RGB)) return (0); else return (1); } /*--------------------------------------------------------------------------- * gfx_get_vertical_scaler_offset() * * This routine sets "offset" to the value by which odd frames are shifted, * if insert is enabled, and to 0 if no shifting occurs. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_get_vertical_scaler_offset(char *offset) #else int gfx_get_vertical_scaler_offset(char *offset) #endif { unsigned long control; control = READ_VID32(SC1200_VID_ALPHA_CONTROL); if (control & SC1200_VERTICAL_SCALER_SHIFT_EN) { if ((control & SC1200_VERTICAL_SCALER_SHIFT_MASK) == SC1200_VERTICAL_SCALER_SHIFT_INIT) *offset = 1; else return GFX_STATUS_ERROR; /* TODO: find the interpretation of other values */ } else *offset = 0; return (0); } /*--------------------------------------------------------------------------- * gfx_get_genlock_delay * * This routine returns the genlock delay in 27 MHz clocks. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC unsigned long sc1200_get_genlock_delay(void) #else unsigned long gfx_get_genlock_delay(void) #endif { return (READ_VID32(SC1200_GENLOCK_DELAY) & SC1200_GENLOCK_DELAY_MASK); } /*--------------------------------------------------------------------------- * gfx_get_genlock_enable * * This routine returns "1" if genlock is currently enabled, "0" otherwise. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_get_genlock_enable(void) #else int gfx_get_genlock_enable(void) #endif { if (READ_VID32(SC1200_GENLOCK) & (SC1200_GENLOCK_SINGLE_ENABLE | SC1200_GENLOCK_CONTINUOUS_ENABLE)) return (1); else return (0); } /*--------------------------------------------------------------------------- * gfx_get_video_cursor() * * This routine configures the video hardware cursor. * If the "mask"ed bits in the graphics pixel match "key", then either * "color1" or "color2" will be used for this pixel, according to the value of * the bit in offset "select_color2". *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_get_video_cursor(unsigned long *key, unsigned long *mask, unsigned short *select_color2, unsigned long *color1, unsigned short *color2) #else int gfx_get_video_cursor(unsigned long *key, unsigned long *mask, unsigned short *select_color2, unsigned long *color1, unsigned short *color2) #endif { *select_color2 = (unsigned short)(READ_VID32(SC1200_CURSOR_COLOR_KEY) >> SC1200_CURSOR_COLOR_KEY_OFFSET_POS); *key = READ_VID32(SC1200_CURSOR_COLOR_KEY) & SC1200_COLOR_MASK; *mask = READ_VID32(SC1200_CURSOR_COLOR_MASK) & SC1200_COLOR_MASK; *color1 = READ_VID32(SC1200_CURSOR_COLOR_1) & SC1200_COLOR_MASK; *color2 = (unsigned short)(READ_VID32(SC1200_CURSOR_COLOR_2) & SC1200_COLOR_MASK); return (0); } /*--------------------------------------------------------------------------- * gfx_read_crc * * This routine returns the hardware CRC value, which is used for automated * testing. The value is like a checksum, but will change if pixels move * locations. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC unsigned long sc1200_read_crc(void) #else unsigned long gfx_read_crc(void) #endif { unsigned long crc = 0xFFFFFFFF; if (gfx_test_timing_active()) { /* WAIT UNTIL ACTIVE DISPLAY */ while (!gfx_test_vertical_active()) ; /* RESET CRC DURING ACTIVE DISPLAY */ WRITE_VID32(SC1200_VID_CRC, 0); WRITE_VID32(SC1200_VID_CRC, 1); /* WAIT UNTIL NOT ACTIVE, THEN ACTIVE, NOT ACTIVE, THEN ACTIVE */ while (gfx_test_vertical_active()) ; while (!gfx_test_vertical_active()) ; while (gfx_test_vertical_active()) ; while (!gfx_test_vertical_active()) ; crc = READ_VID32(SC1200_VID_CRC) >> 8; } return (crc); } /*---------------------------------------------------------------------------- * gfx_get_macrovision_enable * * This routine returns the value "one" if macrovision currently enabled in * the TV encoder, otherwise it returns the value "zero". *---------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int sc1200_get_macrovision_enable(void) #else int gfx_get_macrovision_enable(void) #endif { if (READ_VID32(SC1200_TVENC_MV_CONTROL) == SC1200_TVENC_MV_ENABLE) return (1); return (0); } /*--------------------------------------------------------------------------- * gfx_get_alpha_enable * * This routine returns 1 if the selected alpha window is currently * enabled, or 0 if it is currently disabled. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC void sc1200_get_alpha_enable(int *enable) #else void gfx_get_alpha_enable(int *enable) #endif { unsigned long value = 0; *enable = 0; if (gfx_alpha_select <= 2) { value = READ_VID32(SC1200_ALPHA_CONTROL_1 + ((unsigned long)gfx_alpha_select << 4)); if (value & SC1200_ACTRL_WIN_ENABLE) *enable = 1; } return; } /*--------------------------------------------------------------------------- * gfx_get_alpha_size * * This routine returns the size of the currently selected alpha region. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC void sc1200_get_alpha_size(unsigned short *x, unsigned short *y, unsigned short *width, unsigned short *height) #else void gfx_get_alpha_size(unsigned short *x, unsigned short *y, unsigned short *width, unsigned short *height) #endif { unsigned long value = 0; *x = 0; *y = 0; *width = 0; *height = 0; if (gfx_alpha_select <= 2) { value = READ_VID32(SC1200_ALPHA_XPOS_1 + ((unsigned long)gfx_alpha_select << 4)); *x = (unsigned short)(value & 0x000007FF); *width = (unsigned short)((value >> 16) & 0x000007FF) - *x; value = READ_VID32(SC1200_ALPHA_YPOS_1 + ((unsigned long)gfx_alpha_select << 4)); *y = (unsigned short)(value & 0x000007FF); *height = (unsigned short)((value >> 16) & 0x000007FF) - *y; } *x -= gfx_get_htotal() - gfx_get_hsync_end() - 2; *y -= gfx_get_vtotal() - gfx_get_vsync_end() + 1; return; } /*--------------------------------------------------------------------------- * gfx_get_alpha_value * * This routine returns the alpha value and increment/decrement value of * the currently selected alpha region. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC void sc1200_get_alpha_value(unsigned char *alpha, char *delta) #else void gfx_get_alpha_value(unsigned char *alpha, char *delta) #endif { unsigned long value = 0; *alpha = 0; *delta = 0; if (gfx_alpha_select <= 2) { value = READ_VID32(SC1200_ALPHA_CONTROL_1 + ((unsigned long)gfx_alpha_select << 4)); *alpha = (unsigned char)(value & 0x00FF); *delta = (char)((value >> 8) & 0x00FF); } return; } /*--------------------------------------------------------------------------- * gfx_get_alpha_priority * * This routine returns the priority of the currently selected alpha region. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC void sc1200_get_alpha_priority(int *priority) #else void gfx_get_alpha_priority(int *priority) #endif { unsigned long pos = 0, value = 0; *priority = 0; if (gfx_alpha_select <= 2) { value = READ_VID32(SC1200_VID_ALPHA_CONTROL); pos = 16 + (gfx_alpha_select << 1); *priority = (int)((value >> pos) & 3); } return; } /*--------------------------------------------------------------------------- * gfx_get_alpha_color * * This routine returns the color register value for the currently selected * alpha region. Bit 24 is set if the color register is enabled. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC void sc1200_get_alpha_color(unsigned long *color) #else void gfx_get_alpha_color(unsigned long *color) #endif { *color = 0; if (gfx_alpha_select <= 2) { *color = READ_VID32(SC1200_ALPHA_COLOR_1 + ((unsigned long)gfx_alpha_select << 4)); } return; } #endif /* GFX_READ_ROUTINES */ /* END OF FILE */