/* 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 Redcloud display filter video * overlay hardware. * */ unsigned long gfx_gamma_ram_redcloud[] = { 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 }; /* REDCLOUD PLL TABLE */ typedef struct RCDFPLL { long frequency; /* 16.16 fixed point frequency */ unsigned long post_div3; /* MCP Frequency dividers and multipliers */ unsigned long pre_mul2; unsigned long pre_div2; unsigned long pll_value; /* MCP DotPLL Register Upper 32(0x0015) */ } RCDFPLLENTRY; RCDFPLLENTRY RCDF_PLLtable[] = { {0x0018EC4D, 1, 0, 0, 0x0000099E}, /* 24.9230 */ {0x00192CCC, 0, 0, 0, 0x00000037}, /* 25.1750 */ {0x001C526E, 1, 0, 0, 0x000009DA}, /* 28.3220 */ {0x001C8F5C, 1, 0, 0, 0x0000005E}, /* 28.5600 */ {0x001F8000, 1, 0, 0, 0x000002D2}, /* 31.5000 */ {0x00240000, 1, 0, 0, 0x000007E2}, /* 36.0000 */ {0x00258000, 1, 0, 0, 0x0000057A}, /* 37.5000 */ {0x0025E395, 1, 0, 0, 0x000007FA}, /* 37.8890 */ {0x00280000, 1, 0, 0, 0x0000030A}, /* 40.0000 */ {0x002B29BA, 0, 0, 0, 0x0000005F}, /* 43.1630 */ {0x002CE666, 0, 0, 0, 0x00000063}, /* 44.9000 */ {0x002DB851, 1, 0, 0, 0x00000BC9}, /* 45.7200 */ {0x00318000, 0, 0, 0, 0x0000054B}, /* 49.5000 */ {0x00320000, 0, 0, 0, 0x0000006F}, /* 50.0000 */ {0x00325999, 0, 1, 0, 0x00000037}, /* 50.3500 */ {0x00360000, 1, 1, 0, 0x00000B0D}, /* 54.0000 */ {0x00384000, 0, 0, 0, 0x000007F7}, /* 56.2500 */ {0x0038643F, 0, 0, 0, 0x000007F7}, /* 56.3916 */ {0x0038A4DD, 0, 0, 0, 0x0000057B}, /* 56.6444 */ {0x003B0000, 0, 1, 0, 0x00000707}, /* 59.0000 */ {0x003C10A3, 0, 0, 0, 0x0000030B}, /* 60.0650 */ {0x003F0000, 1, 1, 0, 0x00000B39}, /* 63.0000 */ {0x00410000, 1, 0, 0, 0x00000545}, /* 65.0000 */ {0x00442DD2, 1, 0, 0, 0x000002E1}, /* 68.1790 */ {0x00438000, 1, 1, 0, 0x00000FC1}, /* 67.5000 */ {0x0046CCCC, 1, 0, 0, 0x00000561}, /* 70.8000 */ {0x00480000, 1, 0, 0, 0x000007E1}, /* 72.0000 */ {0x004A7B22, 0, 1, 0, 0x00000F4A}, /* 74.4810 */ {0x004B0000, 1, 0, 0, 0x000007F5}, /* 75.0000 */ {0x004EC000, 1, 0, 0, 0x00000305}, /* 78.7500 */ {0x00500000, 1, 1, 0, 0x00000709}, /* 80.0000 */ {0x00519999, 0, 0, 0, 0x000009C6}, /* 81.6000 */ {0x0059CCCC, 0, 1, 0, 0x00000262}, /* 89.8000 */ {0x005E8000, 0, 0, 0, 0x000002D2}, /* 94.5000 */ {0x00618560, 0, 0, 0, 0x00000546}, /* 97.5200 */ {0x00630000, 0, 1, 0, 0x00000B4A}, /* 99.0000 */ {0x00642FDF, 0, 0, 0, 0x0000006E}, /* 100.1870 */ {0x00656B85, 0, 0, 0, 0x00000552}, /* 101.4200 */ {0x006C0000, 0, 0, 0, 0x000007E2}, /* 108.0000 */ {0x00708000, 0, 0, 0, 0x000007F6}, /* 112.5000 */ {0x00714F1A, 0, 0, 0, 0x0000057A}, /* 113.3090 */ {0x0077A666, 0, 0, 0, 0x0000030A}, /* 119.6500 */ {0x00806666, 1, 0, 0, 0x00000068}, /* 128.4000 */ {0x00820000, 1, 1, 0, 0x00000FB0}, /* 130.0000 */ {0x00821999, 1, 0, 0, 0x00000544}, /* 130.1000 */ {0x00858000, 1, 0, 0, 0x0000006C}, /* 133.5000 */ {0x00870000, 1, 0, 0, 0x00000550}, /* 135.0000 */ {0x00906147, 1, 0, 0, 0x000007E0}, /* 144.3800 */ {0x009D8000, 1, 0, 0, 0x00000304}, /* 157.5000 */ {0x00A20000, 0, 0, 0, 0x000002B1}, /* 162.0000 */ {0x00A933F7, 0, 0, 0, 0x000002B9}, /* 169.2030 */ {0x00ACCC49, 0, 1, 0, 0x0000002D}, /* 172.798 */ {0x00AF8000, 0, 0, 0, 0x000002C1}, /* 175.5000 */ {0x00BD0000, 0, 0, 0, 0x000002D1}, /* 189.0000 */ {0x00BEF5C2, 0, 0, 0, 0x0000053D}, /* 190.9600 */ {0x00C60000, 0, 0, 0, 0x00000549}, /* 198.0000 */ {0x00CA8000, 0, 0, 0, 0x00000551}, /* 202.5000 */ {0x00E58000, 0, 0, 0, 0x0000057D}, /* 229.5000 */ }; #define NUM_RCDF_FREQUENCIES sizeof(RCDF_PLLtable)/sizeof(RCDFPLLENTRY) /*--------------------------------------------------------------------------- * 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 redcloud_reset_video(void) #else void gfx_reset_video(void) #endif { gfx_set_video_enable(0); gfx_select_alpha_region(1); gfx_set_alpha_enable(0); gfx_select_alpha_region(2); gfx_set_alpha_enable(0); /* SET REGION 0 AFTER RESET */ gfx_select_alpha_region(0); gfx_set_alpha_enable(0); } /*---------------------------------------------------------------------------- * 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 redcloud_set_display_control(int sync_polarities) #else int gfx_set_display_control(int sync_polarities) #endif { unsigned long power; unsigned long dcfg; /* CONFIGURE DISPLAY OUTPUT FROM VIDEO PROCESSOR */ dcfg = READ_VID32(RCDF_DISPLAY_CONFIG); dcfg &= ~(RCDF_DCFG_CRT_SYNC_SKW_MASK | RCDF_DCFG_PWR_SEQ_DLY_MASK | RCDF_DCFG_CRT_HSYNC_POL | RCDF_DCFG_CRT_VSYNC_POL | RCDF_DCFG_FP_PWR_EN | RCDF_DCFG_FP_DATA_EN); /* Don't blindly set the PAL_BYP bit - assume that somebody along * the line has set up the gamma correctly before this point */ dcfg |= (RCDF_DCFG_CRT_SYNC_SKW_INIT | RCDF_DCFG_PWR_SEQ_DLY_INIT); if (PanelEnable) { power = READ_VID32(RCDF_POWER_MANAGEMENT); power |= RCDF_PM_PANEL_POWER_ON; WRITE_VID32(RCDF_POWER_MANAGEMENT, power); } /* SET APPROPRIATE SYNC POLARITIES */ if (PanelEnable) { unsigned int pt2 = READ_VID32(0x408); pt2 &= ~((1 << 22) | (1 << 23)); WRITE_VID32(0x408, pt2); } if (sync_polarities & 0x1) dcfg |= RCDF_DCFG_CRT_HSYNC_POL; if (sync_polarities & 0x2) dcfg |= RCDF_DCFG_CRT_VSYNC_POL; WRITE_VID32(RCDF_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 redcloud_set_clock_frequency(unsigned long frequency) #else void gfx_set_clock_frequency(unsigned long frequency) #endif { Q_WORD msr_value, sys_value; unsigned long sys_low; unsigned int i, index = 0; unsigned long value; long timeout = 1000; long min, diff; /* FIND THE REGISTER VALUES FOR THE DESIRED FREQUENCY */ /* Search the table for the closest frequency (16.16 format). */ value = RCDF_PLLtable[0].pll_value; min = (long) RCDF_PLLtable[0].frequency - frequency; if (min < 0L) min = -min; for (i = 1; i < NUM_RCDF_FREQUENCIES; i++) { diff = (long) RCDF_PLLtable[i].frequency - frequency; if (diff < 0L) diff = -diff; if (diff < min) { min = diff; index = i; } } /* VERIFY THAT WE ARE NOT WRITING WHAT IS ALREADY IN THE REGISTERS */ /* The Dot PLL reset bit is tied to VDD for flat panels. This can */ /* cause a brief drop in flat panel power, which can cause serious */ /* glitches on some panels. */ gfx_msr_read(RC_ID_MCP, MCP_DOTPLL, &msr_value); gfx_msr_read(RC_ID_MCP, MCP_SYS_RSTPLL, &sys_value); sys_low = 0; if (RCDF_PLLtable[index].post_div3) sys_low |= MCP_DOTPOSTDIV3; if (RCDF_PLLtable[index].pre_div2) sys_low |= MCP_DOTPREDIV2; if (RCDF_PLLtable[index].pre_mul2) sys_low |= MCP_DOTPREMULT2; if ((msr_value.low & MCP_DOTPLL_LOCK) && (msr_value.high == RCDF_PLLtable[index].pll_value) && ((sys_value.low & (MCP_DOTPOSTDIV3 | MCP_DOTPREDIV2 | MCP_DOTPREMULT2)) == sys_low)) { return; } /* PROGRAM THE SETTINGS WITH THE RESET BIT SET */ /* Clear the bypass bit to ensure that the programmed */ /* M, N and P values are being used. */ msr_value.high = RCDF_PLLtable[index].pll_value; msr_value.low |= 0x00000001; msr_value.low &= ~MCP_DOTPLL_BYPASS; gfx_msr_write(RC_ID_MCP, MCP_DOTPLL, &msr_value); /* PROGRAM THE MCP DIVIDER VALUES */ sys_value.low &= ~(MCP_DOTPOSTDIV3 | MCP_DOTPREDIV2 | MCP_DOTPREMULT2); sys_value.low |= sys_low; gfx_msr_write(RC_ID_MCP, MCP_SYS_RSTPLL, &sys_value); /* CLEAR THE RESET BIT */ msr_value.low &= 0xFFFFFFFE; gfx_msr_write(RC_ID_MCP, MCP_DOTPLL, &msr_value); /* WAIT FOR LOCK BIT */ do { gfx_msr_read(RC_ID_MCP, MCP_DOTPLL, &msr_value); } while (timeout-- && !(msr_value.low & MCP_DOTPLL_LOCK)); } /*--------------------------------------------------------------------------- * gfx_set_crt_enable * * This routine enables or disables the CRT output from the video processor. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int redcloud_set_crt_enable(int enable) #else int gfx_set_crt_enable(int enable) #endif { unsigned long config, misc; config = READ_VID32(RCDF_DISPLAY_CONFIG); misc = READ_VID32(RCDF_VID_MISC); switch (enable) { case CRT_DISABLE: /* DISABLE EVERYTHING */ WRITE_VID32(RCDF_DISPLAY_CONFIG, config & ~(RCDF_DCFG_DIS_EN | RCDF_DCFG_HSYNC_EN | RCDF_DCFG_VSYNC_EN | RCDF_DCFG_DAC_BL_EN)); WRITE_VID32(RCDF_VID_MISC, misc | RCDF_DAC_POWER_DOWN); break; case CRT_ENABLE: /* ENABLE CRT DISPLAY, INCLUDING DISPLAY LOGIC */ WRITE_VID32(RCDF_DISPLAY_CONFIG, config | RCDF_DCFG_DIS_EN | RCDF_DCFG_HSYNC_EN | RCDF_DCFG_VSYNC_EN | RCDF_DCFG_DAC_BL_EN); WRITE_VID32(RCDF_VID_MISC, misc & ~RCDF_DAC_POWER_DOWN & ~RCDF_ANALOG_POWER_DOWN); break; case CRT_STANDBY: /* HSYNC:OFF VSYNC:ON */ WRITE_VID32(RCDF_DISPLAY_CONFIG, (config & ~(RCDF_DCFG_DIS_EN | RCDF_DCFG_HSYNC_EN | RCDF_DCFG_DAC_BL_EN)) | RCDF_DCFG_VSYNC_EN); WRITE_VID32(RCDF_VID_MISC, misc | RCDF_DAC_POWER_DOWN); break; case CRT_SUSPEND: /* HSYNC:ON VSYNC:OFF */ WRITE_VID32(RCDF_DISPLAY_CONFIG, (config & ~(RCDF_DCFG_DIS_EN | RCDF_DCFG_VSYNC_EN | RCDF_DCFG_DAC_BL_EN)) | RCDF_DCFG_HSYNC_EN); WRITE_VID32(RCDF_VID_MISC, misc | RCDF_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 redcloud_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(RCDF_VIDEO_CONFIG); if (enable) { /* ENABLE VIDEO OVERLAY FROM DISPLAY CONTROLLER */ /* Use private routine to abstract the display controller. */ gfx_set_display_video_enable(1); /* ENABLE DISPLAY FILTER VIDEO OVERLAY */ vcfg |= RCDF_VCFG_VID_EN; WRITE_VID32(RCDF_VIDEO_CONFIG, vcfg); } else { /* DISABLE DISPLAY FILTER VIDEO OVERLAY */ vcfg &= ~RCDF_VCFG_VID_EN; WRITE_VID32(RCDF_VIDEO_CONFIG, vcfg); /* DISABLE VIDEO OVERLAY FROM DISPLAY CONTROLLER */ /* Use private routine to abstract the display controller. */ gfx_set_display_video_enable(0); } 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 redcloud_set_video_format(unsigned long format) #else int gfx_set_video_format(unsigned long format) #endif { unsigned long ctrl, vcfg = 0; /* SET THE DISPLAY FILTER VIDEO INPUT FORMAT */ vcfg = READ_VID32(RCDF_VIDEO_CONFIG); ctrl = READ_VID32(RCDF_VID_ALPHA_CONTROL); ctrl &= ~(RCDF_VIDEO_INPUT_IS_RGB | RCDF_CSC_VIDEO_YUV_TO_RGB); vcfg &= ~(RCDF_VCFG_VID_INP_FORMAT | RCDF_VCFG_4_2_0_MODE); switch (format) { case VIDEO_FORMAT_UYVY: vcfg |= RCDF_VCFG_UYVY_FORMAT; ctrl |= RCDF_CSC_VIDEO_YUV_TO_RGB; break; case VIDEO_FORMAT_YUYV: vcfg |= RCDF_VCFG_YUYV_FORMAT; ctrl |= RCDF_CSC_VIDEO_YUV_TO_RGB; break; case VIDEO_FORMAT_Y2YU: vcfg |= RCDF_VCFG_Y2YU_FORMAT; ctrl |= RCDF_CSC_VIDEO_YUV_TO_RGB; break; case VIDEO_FORMAT_YVYU: vcfg |= RCDF_VCFG_YVYU_FORMAT; ctrl |= RCDF_CSC_VIDEO_YUV_TO_RGB; break; case VIDEO_FORMAT_Y0Y1Y2Y3: vcfg |= RCDF_VCFG_UYVY_FORMAT; ctrl |= RCDF_CSC_VIDEO_YUV_TO_RGB; vcfg |= RCDF_VCFG_4_2_0_MODE; break; case VIDEO_FORMAT_Y3Y2Y1Y0: vcfg |= RCDF_VCFG_Y2YU_FORMAT; ctrl |= RCDF_CSC_VIDEO_YUV_TO_RGB; vcfg |= RCDF_VCFG_4_2_0_MODE; break; case VIDEO_FORMAT_Y1Y0Y3Y2: vcfg |= RCDF_VCFG_YUYV_FORMAT; ctrl |= RCDF_CSC_VIDEO_YUV_TO_RGB; vcfg |= RCDF_VCFG_4_2_0_MODE; break; case VIDEO_FORMAT_Y1Y2Y3Y0: vcfg |= RCDF_VCFG_YVYU_FORMAT; ctrl |= RCDF_CSC_VIDEO_YUV_TO_RGB; vcfg |= RCDF_VCFG_4_2_0_MODE; break; case VIDEO_FORMAT_RGB: ctrl |= RCDF_VIDEO_INPUT_IS_RGB; vcfg |= RCDF_VCFG_UYVY_FORMAT; break; case VIDEO_FORMAT_P2M_P2L_P1M_P1L: ctrl |= RCDF_VIDEO_INPUT_IS_RGB; vcfg |= RCDF_VCFG_Y2YU_FORMAT; break; case VIDEO_FORMAT_P1M_P1L_P2M_P2L: ctrl |= RCDF_VIDEO_INPUT_IS_RGB; vcfg |= RCDF_VCFG_YUYV_FORMAT; break; case VIDEO_FORMAT_P1M_P2L_P2M_P1L: ctrl |= RCDF_VIDEO_INPUT_IS_RGB; vcfg |= RCDF_VCFG_YVYU_FORMAT; break; default: return GFX_STATUS_BAD_PARAMETER; } WRITE_VID32(RCDF_VIDEO_CONFIG, vcfg); WRITE_VID32(RCDF_VID_ALPHA_CONTROL, ctrl); /* SET THE VIDEO FORMAT IN THE DISPLAY CONTROLLER */ /* Use private routine to abstract display controller. */ gfx_set_display_video_format(format); 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 redcloud_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, vid_420, pitch; /* SET THE DISPLAY FILTER VIDEO LINE SIZE */ /* Match the DC hardware alignment requirement. The line size must */ /* always be 32-byte aligned. However, we can manage smaller */ /* alignments by decreasing the pitch and clipping the video window. */ /* The VG will fetch extra data for each line, but the decreased */ /* pitch will ensure that it always begins fetching at the start of */ /* the video line. */ vcfg = READ_VID32(RCDF_VIDEO_CONFIG); vid_420 = vcfg & RCDF_VCFG_4_2_0_MODE; vcfg &= ~(RCDF_VCFG_LINE_SIZE_LOWER_MASK | RCDF_VCFG_LINE_SIZE_UPPER); size = ((width >> 1) + 7) & 0xFFF8; pitch = ((width << 1) + 7) & 0xFFF8; vcfg |= (size & 0x00FF) << 8; if (size & 0x0100) vcfg |= RCDF_VCFG_LINE_SIZE_UPPER; WRITE_VID32(RCDF_VIDEO_CONFIG, vcfg); /* SET VIDEO BUFFER LINE SIZE IN DISPLAY CONTROLLER */ /* Use private routine to abstract the display controller. */ gfx_set_display_video_size(width, height); /* SET VIDEO PITCH */ /* We are only maintaining legacy for 4:2:2 video formats. */ /* 4:2:0 video in previous chips was inadequate for most */ /* common video formats. */ if (!vid_420) gfx_set_video_yuv_pitch(pitch, pitch << 1); 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 redcloud_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_yuv_offsets * * This routine sets the starting offset for the video buffer when displaying * 4:2:0 video. *---------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int redcloud_set_video_yuv_offsets(unsigned long yoffset, unsigned long uoffset, unsigned long voffset) #else int gfx_set_video_yuv_offsets(unsigned long yoffset, unsigned long uoffset, unsigned long voffset) #endif { /* SAVE VALUE FOR FUTURE CLIPPING OF THE TOP OF THE VIDEO WINDOW */ gfx_vid_offset = yoffset; gfx_vid_uoffset = uoffset; gfx_vid_voffset = voffset; /* SET VIDEO BUFFER OFFSET IN DISPLAY CONTROLLER */ /* Use private routine to abstract the display controller. */ gfx_set_display_video_yuv_offsets(yoffset, uoffset, voffset); return (0); } /*---------------------------------------------------------------------------- * gfx_set_video_yuv_pitch * * This routine sets the byte offset between consecutive scanlines of YUV video data *---------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int redcloud_set_video_yuv_pitch(unsigned long ypitch, unsigned long uvpitch) #else int gfx_set_video_yuv_pitch(unsigned long ypitch, unsigned long uvpitch) #endif { /* SET VIDEO PITCH IN DISPLAY CONTROLLER */ /* Use private routine to abstract the display controller. */ gfx_set_display_video_yuv_pitch(ypitch, uvpitch); 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 redcloud_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 { 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 DISPLAY FILTER SCALE FACTORS */ /* Zero width and height indicate don't care conditions */ /* Downscaling is performed in a separate function. */ if (dstw == 0) xscale = READ_VID32(RCDF_VIDEO_SCALE) & 0xffff; /* keep previous if don't-care argument */ else if (dstw <= srcw) xscale = 0x2000; /* 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(RCDF_VIDEO_SCALE) & 0xffff0000) >> 16; /* keep previous if don't-care argument */ else if (dsth <= srch) yscale = 0x2000; /* vertical downscaling is handled in a separate function */ else if ((srch == 1) || (dsth == 1)) return GFX_STATUS_BAD_PARAMETER; else yscale = (0x2000l * (srch - 1l)) / (dsth - 1l); WRITE_VID32(RCDF_VIDEO_SCALE, (yscale << 16) | xscale); /* CALL ROUTINE TO UPDATE WINDOW POSITION */ /* This is required because the scale values affect 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_vertical_downscale * * This routine sets the vertical downscale factor for the video overlay * window. * The height of the source and destination regions are specified in pixels. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int redcloud_set_video_vertical_downscale(unsigned short srch, unsigned short dsth) #else int gfx_set_video_vertical_downscale(unsigned short srch, unsigned short dsth) #endif { /* SET VIDEO SCALE IN DISPLAY CONTROLLER */ /* Use private routine to abstract hardware */ gfx_set_display_video_downscale(srch, dsth); return 0; } /*--------------------------------------------------------------------------- * gfx_set_video_vertical_downscale_enable * * This routine sets the vertical downscale enable for the video overlay * window. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC void redcloud_set_video_vertical_downscale_enable(int enable) #else void gfx_set_video_vertical_downscale_enable(int enable) #endif { /* SET VIDEO SCALE IN DISPLAY CONTROLLER */ /* Use private routine to abstract hardware */ gfx_set_display_video_vertical_downscale_enable(enable); } /*--------------------------------------------------------------------------- * 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 redcloud_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(RCDF_VIDEO_DOWNSCALER_CONTROL); downscale &= ~(RCDF_VIDEO_DOWNSCALE_FACTOR_MASK | RCDF_VIDEO_DOWNSCALE_TYPE_MASK); downscale |= ((unsigned long) (m - 1) << RCDF_VIDEO_DOWNSCALE_FACTOR_POS); switch (type) { case VIDEO_DOWNSCALE_KEEP_1_OF: downscale |= RCDF_VIDEO_DOWNSCALE_TYPE_A; break; case VIDEO_DOWNSCALE_DROP_1_OF: downscale |= RCDF_VIDEO_DOWNSCALE_TYPE_B; break; default: return GFX_STATUS_BAD_PARAMETER; } WRITE_VID32(RCDF_VIDEO_DOWNSCALER_CONTROL, downscale); return (0); } /*--------------------------------------------------------------------------- * gfx_set_video_downscale_coefficients * * This routine sets the downscale filter coefficients. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int redcloud_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(RCDF_VIDEO_DOWNSCALER_COEFFICIENTS, ((unsigned long) coef1 << RCDF_VIDEO_DOWNSCALER_COEF1_POS) | ((unsigned long) coef2 << RCDF_VIDEO_DOWNSCALER_COEF2_POS) | ((unsigned long) coef3 << RCDF_VIDEO_DOWNSCALER_COEF3_POS) | ((unsigned long) coef4 << RCDF_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 redcloud_set_video_downscale_enable(int enable) #else int gfx_set_video_downscale_enable(int enable) #endif { unsigned long downscale; downscale = READ_VID32(RCDF_VIDEO_DOWNSCALER_CONTROL); if (enable) downscale |= RCDF_VIDEO_DOWNSCALE_ENABLE; else downscale &= ~RCDF_VIDEO_DOWNSCALE_ENABLE; WRITE_VID32(RCDF_VIDEO_DOWNSCALER_CONTROL, downscale); return (0); } /*--------------------------------------------------------------------------- * gfx_set_video_window * * This routine sets the position and size of the video overlay window. The * x and y positions are 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. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int redcloud_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 hadjust, vadjust; unsigned long xstart, ystart, xend, yend; /* SAVE PARAMETERS */ /* These are needed to call this routine if the scale value changes. */ 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; /* LEFT CLIPPING */ if (x < 0) { gfx_set_video_left_crop((unsigned short) (-x)); xstart = hadjust; } else { gfx_set_video_left_crop(0); 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; /* RIGHT-CLIPPING */ else 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; /* BOTTOM-CLIPPING */ else yend = (unsigned long) gfx_get_vactive() + vadjust; /* SET VIDEO POSITION */ WRITE_VID32(RCDF_VIDEO_X_POS, (xend << 16) | xstart); WRITE_VID32(RCDF_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 redcloud_set_video_left_crop(unsigned short x) #else int gfx_set_video_left_crop(unsigned short x) #endif { unsigned long vcfg, initread; vcfg = READ_VID32(RCDF_VIDEO_CONFIG); /* CLIPPING ON LEFT */ /* Adjust initial read for scale, checking for divide by zero. Mask the * lower three bits when clipping 4:2:0 video. By masking the bits instead * of rounding up we ensure that we always clip less than or equal to the * desired number of pixels. This prevents visual artifacts from * over-clipping. We mask three bits to meet the HW requirement that 4:2:0 * clipping be 16-byte or 8-pixel aligned. * */ if (gfx_vid_dstw) { initread = (unsigned long) x *gfx_vid_srcw / gfx_vid_dstw; if (vcfg & RCDF_VCFG_4_2_0_MODE) initread &= 0xFFF8; } else initread = 0; /* SET INITIAL READ ADDRESS */ vcfg &= ~RCDF_VCFG_INIT_READ_MASK; vcfg |= (initread << 15) & RCDF_VCFG_INIT_READ_MASK; WRITE_VID32(RCDF_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 redcloud_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 RCDF COLOR KEY VALUE */ WRITE_VID32(RCDF_VIDEO_COLOR_KEY, key); WRITE_VID32(RCDF_VIDEO_COLOR_MASK, mask); /* SELECT GRAPHICS OR VIDEO DATA TO COMPARE TO THE COLOR KEY */ dcfg = READ_VID32(RCDF_DISPLAY_CONFIG); if (graphics & 0x01) dcfg &= ~RCDF_DCFG_VG_CK; else dcfg |= RCDF_DCFG_VG_CK; WRITE_VID32(RCDF_DISPLAY_CONFIG, dcfg); return (0); } /*--------------------------------------------------------------------------- * gfx_set_video_filter * * This routine enables or disables the video overlay filters. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int redcloud_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 DISPLAY FILTER VIDEO OVERLAY FILTERS */ vcfg = READ_VID32(RCDF_VIDEO_CONFIG); vcfg &= ~(RCDF_VCFG_X_FILTER_EN | RCDF_VCFG_Y_FILTER_EN); if (xfilter) vcfg |= RCDF_VCFG_X_FILTER_EN; if (yfilter) vcfg |= RCDF_VCFG_Y_FILTER_EN; WRITE_VID32(RCDF_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 Redcloud, this means loading the * palette with identity values). *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int redcloud_set_video_palette(unsigned long *palette) #else int gfx_set_video_palette(unsigned long *palette) #endif { unsigned long i, entry; unsigned long misc, dcfg; /* 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(RCDF_DISPLAY_CONFIG); misc = READ_VID32(RCDF_VID_MISC); dcfg |= RCDF_DCFG_GV_PAL_BYP; misc &= ~RCDF_GAMMA_BYPASS_BOTH; WRITE_VID32(RCDF_DISPLAY_CONFIG, dcfg); WRITE_VID32(RCDF_VID_MISC, misc); if (gfx_test_timing_active()) { while (!gfx_test_vertical_active()); while (gfx_test_vertical_active()); while (!gfx_test_vertical_active()); } /* LOAD REDCLOUD VIDEO PALETTE */ WRITE_VID32(RCDF_PALETTE_ADDRESS, 0); for (i = 0; i < 256; i++) { if (palette) entry = palette[i]; else entry = gfx_gamma_ram_redcloud[i]; WRITE_VID32(RCDF_PALETTE_DATA, entry); } return (0); } /*--------------------------------------------------------------------------- * gfx_set_graphics_palette * * This routine loads the video hardware palette. If a NULL pointer is * specified, the palette is bypassed (for Redcloud, this means loading the * palette with identity values). Note that this routine is identical to * gfx_set_video_palette, except that the hardware is updated to route * graphics data through the palette. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int redcloud_set_graphics_palette(unsigned long *palette) #else int gfx_set_graphics_palette(unsigned long *palette) #endif { unsigned long i, entry; unsigned long misc, dcfg; /* 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(RCDF_DISPLAY_CONFIG); misc = READ_VID32(RCDF_VID_MISC); dcfg &= ~RCDF_DCFG_GV_PAL_BYP; misc &= ~RCDF_GAMMA_BYPASS_BOTH; WRITE_VID32(RCDF_DISPLAY_CONFIG, dcfg); WRITE_VID32(RCDF_VID_MISC, misc); if (gfx_test_timing_active()) { while (!gfx_test_vertical_active()); while (gfx_test_vertical_active()); while (!gfx_test_vertical_active()); } /* LOAD REDCLOUD VIDEO PALETTE */ WRITE_VID32(RCDF_PALETTE_ADDRESS, 0); for (i = 0; i < 256; i++) { if (palette) entry = palette[i]; else entry = gfx_gamma_ram_redcloud[i]; WRITE_VID32(RCDF_PALETTE_DATA, entry); } return (0); } /*--------------------------------------------------------------------------- * gfx_set_graphics_palette_entry * * This routine loads a single entry of the video hardware palette. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int redcloud_set_graphics_palette_entry(unsigned long index, unsigned long palette) #else int gfx_set_graphics_palette_entry(unsigned long index, unsigned long palette) #endif { unsigned long dcfg, misc; if (index > 0xFF) return GFX_STATUS_BAD_PARAMETER; /* 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(RCDF_DISPLAY_CONFIG); misc = READ_VID32(RCDF_VID_MISC); dcfg &= ~RCDF_DCFG_GV_PAL_BYP; misc &= ~RCDF_GAMMA_BYPASS_BOTH; WRITE_VID32(RCDF_DISPLAY_CONFIG, dcfg); WRITE_VID32(RCDF_VID_MISC, misc); /* SET A SINGLE ENTRY */ WRITE_VID32(RCDF_PALETTE_ADDRESS, index); WRITE_VID32(RCDF_PALETTE_DATA, palette); return (0); } /*--------------------------------------------------------------------------- * gfx_set_video_palette_entry * * This routine loads a single entry of the video hardware palette. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int redcloud_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; /* 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(RCDF_DISPLAY_CONFIG); misc = READ_VID32(RCDF_VID_MISC); dcfg |= RCDF_DCFG_GV_PAL_BYP; misc &= ~RCDF_GAMMA_BYPASS_BOTH; WRITE_VID32(RCDF_DISPLAY_CONFIG, dcfg); WRITE_VID32(RCDF_VID_MISC, misc); /* SET A SINGLE ENTRY */ WRITE_VID32(RCDF_PALETTE_ADDRESS, index); WRITE_VID32(RCDF_PALETTE_DATA, palette); return (0); } /*--------------------------------------------------------------------------- * gfx_set_video_palette_bypass * * This routine enables/disables the pallete RAM bypass. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int redcloud_set_video_palette_bypass(int enable) #else int gfx_set_video_palette_bypass(int enable) #endif { unsigned long misc; misc = READ_VID32(RCDF_VID_MISC); if (enable) misc |= RCDF_GAMMA_BYPASS_BOTH; else misc &= ~RCDF_GAMMA_BYPASS_BOTH; WRITE_VID32(RCDF_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 redcloud_set_video_request(short x, short y) #else int gfx_set_video_request(short x, short y) #endif { /* SET DISPLAY FILTER VIDEO REQUEST */ x += gfx_get_htotal() - gfx_get_hsync_end() - 2; y += gfx_get_vtotal() - gfx_get_vsync_end() + 1; if ((x < 0) || (x > RCDF_VIDEO_REQUEST_MASK) || (y < 0) || (y > RCDF_VIDEO_REQUEST_MASK)) return GFX_STATUS_BAD_PARAMETER; WRITE_VID32(RCDF_VIDEO_REQUEST, ((unsigned long) x << RCDF_VIDEO_X_REQUEST_POS) | ((unsigned long) y << RCDF_VIDEO_Y_REQUEST_POS)); 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 redcloud_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 > RCDF_CURSOR_COLOR_BITS) return GFX_STATUS_BAD_PARAMETER; key = (key & RCDF_COLOR_MASK) | ((unsigned long) select_color2 << RCDF_CURSOR_COLOR_KEY_OFFSET_POS); WRITE_VID32(RCDF_CURSOR_COLOR_KEY, key); WRITE_VID32(RCDF_CURSOR_COLOR_MASK, mask); WRITE_VID32(RCDF_CURSOR_COLOR_1, color1); WRITE_VID32(RCDF_CURSOR_COLOR_2, color2); 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 redcloud_set_video_cursor_enable(int enable) #else int gfx_set_video_cursor_enable(int enable) #endif { unsigned long temp = READ_VID32(RCDF_CURSOR_COLOR_KEY); if (enable) temp |= RCDF_CURSOR_COLOR_KEY_ENABLE; else temp &= ~RCDF_CURSOR_COLOR_KEY_ENABLE; WRITE_VID32(RCDF_CURSOR_COLOR_KEY, temp); return (0); } /*--------------------------------------------------------------------------- * gfx_set_alpha_enable * * This routine enables or disables the currently selected alpha region. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int redcloud_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 = RCDF_ALPHA_CONTROL_1 + ((unsigned long) gfx_alpha_select << 5); value = READ_VID32(address); if (enable) value |= RCDF_ACTRL_WIN_ENABLE; else value &= ~(RCDF_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 redcloud_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 = RCDF_ALPHA_XPOS_1 + ((unsigned long) gfx_alpha_select << 5); /* END POSITIONS IN REGISTERS ARE NON-INCLUSIVE (ONE MORE THAN ACTUAL END) * */ WRITE_VID32(address, (unsigned long) x | ((unsigned long) (x + width) << 16)); WRITE_VID32(address + 8, (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 redcloud_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; if (gfx_alpha_select > 2) return (GFX_STATUS_UNSUPPORTED); address = RCDF_ALPHA_CONTROL_1 + ((unsigned long) gfx_alpha_select << 5); value = READ_VID32(address); value &= RCDF_ACTRL_WIN_ENABLE; /* keep only enable bit */ value |= (unsigned long) alpha; value |= (((unsigned long) delta) & 0xff) << 8; value |= RCDF_ACTRL_LOAD_ALPHA; WRITE_VID32(address, value); return (GFX_STATUS_OK); } /*--------------------------------------------------------------------------- * 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 redcloud_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(RCDF_VID_ALPHA_CONTROL); pos = 16 + (gfx_alpha_select << 1); value &= ~(0x03l << pos); value |= (unsigned long) priority << pos; WRITE_VID32(RCDF_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 an RGB value (for RGB blending) or a YUV value (for YUV * blending). * In Interlaced YUV blending mode, Y/2 value should be used. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int redcloud_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 = RCDF_ALPHA_COLOR_1 + ((unsigned long) gfx_alpha_select << 5); WRITE_VID32(address, color); return (GFX_STATUS_OK); } /*--------------------------------------------------------------------------- * gfx_set_alpha_color_enable * * Enable or disable the color mechanism in the alpha window. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int redcloud_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 = RCDF_ALPHA_COLOR_1 + ((unsigned long) gfx_alpha_select << 5); color = READ_VID32(address); if (enable) color |= RCDF_ALPHA_COLOR_ENABLE; else color &= ~RCDF_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 redcloud_set_no_ck_outside_alpha(int enable) #else int gfx_set_no_ck_outside_alpha(int enable) #endif { unsigned long value; value = READ_VID32(RCDF_VID_ALPHA_CONTROL); if (enable) WRITE_VID32(RCDF_VID_ALPHA_CONTROL, value | RCDF_NO_CK_OUTSIDE_ALPHA); else WRITE_VID32(RCDF_VID_ALPHA_CONTROL, value & ~RCDF_NO_CK_OUTSIDE_ALPHA); 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 redcloud_get_clock_frequency(void) #else unsigned long gfx_get_clock_frequency(void) #endif { Q_WORD msr_value; unsigned int index; unsigned long value, mask = 0x00001FFF; unsigned long post_div3 = 0, pre_mult2 = 0; /* READ PLL SETTING */ gfx_msr_read(RC_ID_MCP, MCP_DOTPLL, &msr_value); value = msr_value.high & mask; /* READ DIVISOR SETTINGS */ gfx_msr_read(RC_ID_MCP, MCP_SYS_RSTPLL, &msr_value); post_div3 = (msr_value.low & MCP_DOTPOSTDIV3) ? 1 : 0; pre_mult2 = (msr_value.low & MCP_DOTPREMULT2) ? 1 : 0; /* SEARCH FOR A MATCH */ for (index = 0; index < NUM_RCDF_FREQUENCIES; index++) { if ((RCDF_PLLtable[index].pll_value & mask) == value && post_div3 == RCDF_PLLtable[index].post_div3 && pre_mult2 == RCDF_PLLtable[index].pre_mul2) return (RCDF_PLLtable[index].frequency); } return (0); } /*************************************************************/ /* READ ROUTINES | INCLUDED FOR DIAGNOSTIC PURPOSES ONLY */ /*************************************************************/ #if GFX_READ_ROUTINES /*--------------------------------------------------------------------------- * 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 redcloud_get_sync_polarities(void) #else int gfx_get_sync_polarities(void) #endif { int polarities = 0; if (READ_VID32(RCDF_DISPLAY_CONFIG) & RCDF_DCFG_CRT_HSYNC_POL) polarities |= 1; if (READ_VID32(RCDF_DISPLAY_CONFIG) & RCDF_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 redcloud_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(RCDF_PALETTE_ADDRESS, index); *palette = READ_VID32(RCDF_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 redcloud_get_video_enable(void) #else int gfx_get_video_enable(void) #endif { if (READ_VID32(RCDF_VIDEO_CONFIG) & RCDF_VCFG_VID_EN) return (1); return (0); } /*---------------------------------------------------------------------------- * gfx_get_video_format * * This routine returns the current video overlay format. *---------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int redcloud_get_video_format(void) #else int gfx_get_video_format(void) #endif { unsigned long ctrl, vcfg; ctrl = READ_VID32(RCDF_VID_ALPHA_CONTROL); vcfg = READ_VID32(RCDF_VIDEO_CONFIG); if (ctrl & RCDF_VIDEO_INPUT_IS_RGB) { switch (vcfg & RCDF_VCFG_VID_INP_FORMAT) { case RCDF_VCFG_UYVY_FORMAT: return VIDEO_FORMAT_RGB; case RCDF_VCFG_Y2YU_FORMAT: return VIDEO_FORMAT_P2M_P2L_P1M_P1L; case RCDF_VCFG_YUYV_FORMAT: return VIDEO_FORMAT_P1M_P1L_P2M_P2L; case RCDF_VCFG_YVYU_FORMAT: return VIDEO_FORMAT_P1M_P2L_P2M_P1L; } } if (vcfg & RCDF_VCFG_4_2_0_MODE) { switch (vcfg & RCDF_VCFG_VID_INP_FORMAT) { case RCDF_VCFG_UYVY_FORMAT: return VIDEO_FORMAT_Y0Y1Y2Y3; case RCDF_VCFG_Y2YU_FORMAT: return VIDEO_FORMAT_Y3Y2Y1Y0; case RCDF_VCFG_YUYV_FORMAT: return VIDEO_FORMAT_Y1Y0Y3Y2; case RCDF_VCFG_YVYU_FORMAT: return VIDEO_FORMAT_Y1Y2Y3Y0; } } else { switch (vcfg & RCDF_VCFG_VID_INP_FORMAT) { case RCDF_VCFG_UYVY_FORMAT: return VIDEO_FORMAT_UYVY; case RCDF_VCFG_Y2YU_FORMAT: return VIDEO_FORMAT_Y2YU; case RCDF_VCFG_YUYV_FORMAT: return VIDEO_FORMAT_YUYV; case RCDF_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 redcloud_get_video_src_size(void) #else unsigned long gfx_get_video_src_size(void) #endif { unsigned long width, height, scale, delta; int down_enable; /* DETERMINE SOURCE WIDTH FROM THE DISPLAY FILTER VIDEO LINE SIZE */ width = (READ_VID32(RCDF_VIDEO_CONFIG) >> 7) & 0x000001FE; if (READ_VID32(RCDF_VIDEO_CONFIG) & RCDF_VCFG_LINE_SIZE_UPPER) width += 512l; /* DETERMINE SOURCE HEIGHT FROM THE DISPLAY FILTER HEIGHT AND SCALE VALUES * There is no true "source buffer size" in Redcloud. Instead, the VG * module provides video data as needed on a per-line basis. The source * buffer size is always assumed to equal the amount of required video * data. The returned height is equal to the height of the required video * buffer data (before all scaling.) * */ scale = (READ_VID32(RCDF_VIDEO_SCALE) >> 16) & 0x3FFF; height = ((READ_VID32(RCDF_VIDEO_Y_POS) >> 16) & 0x7FF) - (READ_VID32(RCDF_VIDEO_Y_POS) & 0x7FF); delta = gfx_get_video_downscale_delta(); down_enable = gfx_get_video_vertical_downscale_enable(); /* REVERSE UPSCALING */ if (height) height = ((scale * (height - 1l)) / 0x2000l) + 2l; /* REVERSE DOWNSCALING */ /* Original lines = height * (0x3FFF + delta) / 0x3FFF */ /* As this may cause rounding errors, we add 1 to the */ /* returned source size. The return value of this */ /* function could thus be off by 1. */ if (down_enable && height) height = ((height * (0x3FFFl + delta)) / 0x3FFFl) + 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 redcloud_get_video_line_size(void) #else unsigned long gfx_get_video_line_size(void) #endif { unsigned long width = 0; /* DETERMINE SOURCE WIDTH FROM THE RCDF VIDEO LINE SIZE */ width = (READ_VID32(RCDF_VIDEO_CONFIG) >> 7) & 0x000001FE; if (READ_VID32(RCDF_VIDEO_CONFIG) & RCDF_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 redcloud_get_video_xclip(void) #else unsigned long gfx_get_video_xclip(void) #endif { unsigned long clip = 0; /* DETERMINE SOURCE WIDTH FROM THE RCDF VIDEO LINE SIZE */ clip = (READ_VID32(RCDF_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 redcloud_get_video_offset(void) #else unsigned long gfx_get_video_offset(void) #endif { return (gfx_get_display_video_offset()); } /*---------------------------------------------------------------------------- * gfx_get_video_yuv_offsets * * This routine returns the current offsets for the video overlay buffer when in 4:2:0. *---------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC void redcloud_get_video_yuv_offsets(unsigned long *yoffset, unsigned long *uoffset, unsigned long *voffset) #else void gfx_get_video_yuv_offsets(unsigned long *yoffset, unsigned long *uoffset, unsigned long *voffset) #endif { gfx_get_display_video_yuv_offsets(yoffset, uoffset, voffset); } /*---------------------------------------------------------------------------- * gfx_get_video_yuv_pitch * * This routine returns the current pitch values for the video overlay buffer. *---------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC void redcloud_get_video_yuv_pitch(unsigned long *ypitch, unsigned long *uvpitch) #else void gfx_get_video_yuv_pitch(unsigned long *ypitch, unsigned long *uvpitch) #endif { gfx_get_display_video_yuv_pitch(ypitch, uvpitch); } /*--------------------------------------------------------------------------- * gfx_get_video_scale * * This routine returns the scale factor for the video overlay window. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC unsigned long redcloud_get_video_scale(void) #else unsigned long gfx_get_video_scale(void) #endif { return (READ_VID32(RCDF_VIDEO_SCALE)); } /*--------------------------------------------------------------------------- * gfx_get_video_downscale_delta * * This routine returns the vertical downscale factor for the video overlay * window. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC unsigned long redcloud_get_video_downscale_delta(void) #else unsigned long gfx_get_video_downscale_delta(void) #endif { /* USE PRIVATE ROUTINE TO ABSTRACT THE DIPSLAY CONTROLLER */ return (gfx_get_display_video_downscale_delta()); } /*--------------------------------------------------------------------------- * gfx_get_video_vertical_downscale_enable * * This routine returns the vertical downscale enable for the video overlay * window. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int redcloud_get_video_vertical_downscale_enable(void) #else int gfx_get_video_vertical_downscale_enable(void) #endif { /* USE PRIVATE ROUTINE TO ABSTRACT THE DIPSLAY CONTROLLER */ return (gfx_get_display_video_downscale_enable()); } /*--------------------------------------------------------------------------- * gfx_get_video_downscale_config * * This routine returns the current type and value of video downscaling. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC int redcloud_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(RCDF_VIDEO_DOWNSCALER_CONTROL); *m = (unsigned short) ((downscale & RCDF_VIDEO_DOWNSCALE_FACTOR_MASK) >> RCDF_VIDEO_DOWNSCALE_FACTOR_POS) + 1; switch (downscale & RCDF_VIDEO_DOWNSCALE_TYPE_MASK) { case RCDF_VIDEO_DOWNSCALE_TYPE_A: *type = VIDEO_DOWNSCALE_KEEP_1_OF; break; case RCDF_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 redcloud_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(RCDF_VIDEO_DOWNSCALER_COEFFICIENTS); *coef1 = (unsigned short) ((coef >> RCDF_VIDEO_DOWNSCALER_COEF1_POS) & RCDF_VIDEO_DOWNSCALER_COEF_MASK); *coef2 = (unsigned short) ((coef >> RCDF_VIDEO_DOWNSCALER_COEF2_POS) & RCDF_VIDEO_DOWNSCALER_COEF_MASK); *coef3 = (unsigned short) ((coef >> RCDF_VIDEO_DOWNSCALER_COEF3_POS) & RCDF_VIDEO_DOWNSCALER_COEF_MASK); *coef4 = (unsigned short) ((coef >> RCDF_VIDEO_DOWNSCALER_COEF4_POS) & RCDF_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 redcloud_get_video_downscale_enable(int *enable) #else void gfx_get_video_downscale_enable(int *enable) #endif { if (READ_VID32(RCDF_VIDEO_DOWNSCALER_CONTROL) & RCDF_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 redcloud_get_video_dst_size(void) #else unsigned long gfx_get_video_dst_size(void) #endif { unsigned long xsize, ysize; xsize = READ_VID32(RCDF_VIDEO_X_POS); xsize = ((xsize >> 16) & 0x7FF) - (xsize & 0x7FF); ysize = READ_VID32(RCDF_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 redcloud_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(RCDF_VIDEO_X_POS) & 0x000007FF; ypos = READ_VID32(RCDF_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 redcloud_get_video_color_key(void) #else unsigned long gfx_get_video_color_key(void) #endif { return (READ_VID32(RCDF_VIDEO_COLOR_KEY)); } /*--------------------------------------------------------------------------- * gfx_get_video_color_key_mask * * This routine returns the current video color mask value. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC unsigned long redcloud_get_video_color_key_mask(void) #else unsigned long gfx_get_video_color_key_mask(void) #endif { return (READ_VID32(RCDF_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 redcloud_get_video_color_key_src(void) #else int gfx_get_video_color_key_src(void) #endif { if (READ_VID32(RCDF_DISPLAY_CONFIG) & RCDF_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 redcloud_get_video_filter(void) #else int gfx_get_video_filter(void) #endif { int retval = 0; if (READ_VID32(RCDF_VIDEO_CONFIG) & RCDF_VCFG_X_FILTER_EN) retval |= 1; if (READ_VID32(RCDF_VIDEO_CONFIG) & RCDF_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 redcloud_get_video_request(short *x, short *y) #else int gfx_get_video_request(short *x, short *y) #endif { unsigned long request = 0; request = (READ_VID32(RCDF_VIDEO_REQUEST)); *x = (short) ((request >> RCDF_VIDEO_X_REQUEST_POS) & RCDF_VIDEO_REQUEST_MASK); *y = (short) ((request >> RCDF_VIDEO_Y_REQUEST_POS) & RCDF_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_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 redcloud_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(RCDF_CURSOR_COLOR_KEY) >> RCDF_CURSOR_COLOR_KEY_OFFSET_POS); *key = READ_VID32(RCDF_CURSOR_COLOR_KEY) & RCDF_COLOR_MASK; *mask = READ_VID32(RCDF_CURSOR_COLOR_MASK) & RCDF_COLOR_MASK; *color1 = READ_VID32(RCDF_CURSOR_COLOR_1) & RCDF_COLOR_MASK; *color2 = (unsigned short) (READ_VID32(RCDF_CURSOR_COLOR_2) & RCDF_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 redcloud_read_crc(void) #else unsigned long gfx_read_crc(void) #endif { Q_WORD msr_value; unsigned long crc = 0xFFFFFFFF; /* DISABLE 32-BIT CRCS */ /* For GX1.x, this is a reserved bit, and is assumed to be a benign * access */ gfx_msr_read(RC_ID_DF, RCDF_MBD_MSR_DIAG_DF, &msr_value); msr_value.low &= ~RCDF_DIAG_32BIT_CRC; gfx_msr_write(RC_ID_DF, RCDF_MBD_MSR_DIAG_DF, &msr_value); if (gfx_test_timing_active()) { /* WAIT UNTIL ACTIVE DISPLAY */ while (!gfx_test_vertical_active()); /* RESET CRC DURING ACTIVE DISPLAY */ WRITE_VID32(RCDF_VID_CRC, 0); WRITE_VID32(RCDF_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()); while (!gfx_test_vertical_active()); crc = READ_VID32(RCDF_VID_CRC) >> 8; } return (crc); } /*--------------------------------------------------------------------------- * gfx_read_crc32 * * This routine returns the 32-bit 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 redcloud_read_crc32(void) #else unsigned long gfx_read_crc32(void) #endif { Q_WORD msr_value; unsigned long crc = 0xFFFFFFFF; /* ENABLE 32-BIT CRCS */ /* For GX1.x, this is a reserved bit, and is assumed to be a benign * access */ gfx_msr_read(RC_ID_DF, RCDF_MBD_MSR_DIAG_DF, &msr_value); msr_value.low |= RCDF_DIAG_32BIT_CRC; gfx_msr_write(RC_ID_DF, RCDF_MBD_MSR_DIAG_DF, &msr_value); if (gfx_test_timing_active()) { /* WAIT UNTIL ACTIVE DISPLAY */ while (!gfx_test_vertical_active()); /* RESET CRC DURING ACTIVE DISPLAY */ WRITE_VID32(RCDF_VID_CRC, 0); WRITE_VID32(RCDF_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()); while (!gfx_test_vertical_active()); crc = READ_VID32(RCDF_VID_CRC32); } return (crc); } /*--------------------------------------------------------------------------- * gfx_read_window_crc * * This routine returns the hardware CRC value for a subsection of the display * This value is used to debug whole-screen CRC failures. *--------------------------------------------------------------------------- */ #if GFX_VIDEO_DYNAMIC unsigned long redcloud_read_window_crc(int source, unsigned short x, unsigned short y, unsigned short width, unsigned short height, int crc32) #else unsigned long gfx_read_window_crc(int source, unsigned short x, unsigned short y, unsigned short width, unsigned short height, int crc32) #endif { Q_WORD msr_value; unsigned long xpos, ypos, crc = 0; unsigned long old_fmt = 0; unsigned int vsync_active_base, vsync_inactive_base, hsync_active_base; unsigned int vsync_active_shift, vsync_inactive_shift, hsync_active_shift; unsigned int vsync_bit, hsync_bit, sync_polarities = 0; /* CONFIGURE DISPLAY FILTER TO LOAD DATA ONTO LOWER 32-BITS */ msr_value.high = 0; msr_value.low = (source == CRC_SOURCE_GFX_DATA) ? (RCDF_MBD_DIAG_EN0 | 0x0000000F) : (RCDF_MBD_DIAG_EN0 | 0x0000000B); gfx_msr_write(RC_ID_DF, MBD_MSR_DIAG, &msr_value); /* CONFIGURE DISPLAY FILTER FOR APPROPRIATE OUTPUT */ if (source != CRC_SOURCE_GFX_DATA) { gfx_msr_read(RC_ID_DF, MBD_MSR_CONFIG, &msr_value); old_fmt = msr_value.low; msr_value.low &= ~(RCDF_CONFIG_FMT_MASK); msr_value.low |= ((source == CRC_SOURCE_FP_DATA) ? RCDF_CONFIG_FMT_FP : RCDF_CONFIG_FMT_CRT); gfx_msr_write(RC_ID_DF, MBD_MSR_CONFIG, &msr_value); } /* CONFIGURE MCP TO LOAD REGB DATA ONTO UPPER 32-BITS */ msr_value.low = MCP_MBD_DIAG_EN1 | 0x00050000; gfx_msr_write(RC_ID_MCP, MBD_MSR_DIAG, &msr_value); /* ENABLE HW CLOCK GATING AND SET MCP CLOCK TO DOT CLOCK */ msr_value.low = 1l; gfx_msr_write(RC_ID_MCP, MBD_MSR_PM, &msr_value); msr_value.low = 0; gfx_msr_write(RC_ID_MCP, MCP_DBGCLKCTL, &msr_value); msr_value.low = 3; gfx_msr_write(RC_ID_MCP, MCP_DBGCLKCTL, &msr_value); /* DISABLE MCP ACTIONS */ msr_value.high = 0x00000000; msr_value.low = 0x00000000; gfx_msr_write(RC_ID_MCP, MCP_DIAGCTL, &msr_value); /* SET APPROPRIATE BASE ADDRESS */ /* M-Sets use normal diag bits, while N-Sets use inverted diag bits */ /* We thus use the M-sets when polling for a high signal and the N */ /* sets when polling for a low signal. */ if (source != CRC_SOURCE_GFX_DATA) { sync_polarities = gfx_get_sync_polarities(); vsync_bit = 29; hsync_bit = 30; } else { vsync_bit = 25; hsync_bit = 26; } if (sync_polarities & 1) { hsync_active_base = MCP_SETM0CTL; hsync_active_shift = 2; } else { hsync_active_base = MCP_SETN0CTL; hsync_active_shift = 1; } if (sync_polarities & 2) { vsync_active_base = MCP_SETM0CTL; vsync_inactive_base = MCP_SETN0CTL; vsync_active_shift = 2; vsync_inactive_shift = 1; } else { vsync_active_base = MCP_SETN0CTL; vsync_inactive_base = MCP_SETM0CTL; vsync_active_shift = 1; vsync_inactive_shift = 2; } /* SET STATE TRANSITIONS */ /* STATE 0-1 TRANSITION (SET 0) */ /* XState = 00 and VSync Inactive */ /* Note: DF VSync = Diag Bus Bit 29 */ /* VG VSync = Diag Bus Bit 25 */ msr_value.low = 0x000000A0; msr_value.high = 0x00008000 | ((unsigned long) vsync_bit << 16) | ((unsigned long) vsync_bit << 21) | ((unsigned long) vsync_bit << 26); gfx_msr_write(RC_ID_MCP, vsync_inactive_base, &msr_value); /* STATE 1-2 TRANSITION (SET 4) */ /* XState = 01 and VSync Active */ msr_value.low = 0x000000C0; gfx_msr_write(RC_ID_MCP, vsync_active_base + 4, &msr_value); /* STATE 2-3 TRANSITION (SET 1) */ /* XState = 10 and VSync Inactive */ msr_value.low = 0x00000120; gfx_msr_write(RC_ID_MCP, vsync_inactive_base + 1, &msr_value); /* HORIZONTAL COUNTER (SET 5) */ /* XState = 10 and HSync Active */ /* Notes: DF HSync = Diag Bus Bit 30 */ /* VG HSync = Diag Bus Bit 26 */ msr_value.high = 0x00008000 | ((unsigned long) hsync_bit << 16) | ((unsigned long) hsync_bit << 21) | ((unsigned long) hsync_bit << 26); msr_value.low = 0x00000120; gfx_msr_write(RC_ID_MCP, hsync_active_base + 5, &msr_value); /* HORIZONTAL COUNTER RESET (SET 4) */ /* XState = 10 and H. Counter = limit */ /* Note: H. Counter is lower 16-bits of */ /* RegB. */ msr_value.high = 0x00000000; msr_value.low = 0x00000128; gfx_msr_write(RC_ID_MCP, vsync_inactive_base + 4, &msr_value); /* CRC TRIGGER (SET 0) */ /* Cmp0 <= xpos < Cmp1 */ /* Cmp2 <= ypos < Cmp2 */ msr_value.high = 0x00000000; msr_value.low = 0x10C20120; gfx_msr_write(RC_ID_MCP, vsync_active_base, &msr_value); /* SET COMPARATOR VALUES */ /* Note: The VG data outputs from the DF are delayed by one pixel clock. */ /* In this mode, we thus add one to horizontal comparator limits. */ /* COMPARATOR 0 */ /* Lower limit = xpos + (h_blank_pixels - 1) - 3 */ /* Notes: */ /* 1. 3 is the pipeline delay for MCP register */ /* data to access the diag bus */ /* 2. h_blank_pixels = HTOTAL - HSYNC_END */ xpos = (unsigned long) x + ((unsigned long) gfx_get_htotal() - (unsigned long) gfx_get_hsync_end() - 1l) - 3l; if (source == CRC_SOURCE_GFX_DATA) xpos++; msr_value.high = 0x00000000; msr_value.low = xpos; gfx_msr_write(RC_ID_MCP, MCP_CMPVAL0, &msr_value); /* COMPARATOR 1 */ /* Upper limit = xpos + width + (h_blank_pixels - 1) - 3 */ msr_value.low = xpos + (unsigned long) width; gfx_msr_write(RC_ID_MCP, MCP_CMPVAL0 + 2, &msr_value); /* COMPARATOR 2 */ /* Lower limit = ypos + v_blank_pixels */ /* Notes: */ /* 1. v_blank_pixels = VTOTAL - VSYNC_END */ ypos = (unsigned long) y + (unsigned long) gfx_get_vtotal() - (unsigned long) gfx_get_vsync_end(); msr_value.low = ypos << 16; gfx_msr_write(RC_ID_MCP, MCP_CMPVAL0 + 4, &msr_value); /* COMPARATOR 3 */ /* Upper limit = ypos + height + v_blank_pixels */ msr_value.low = (ypos + (unsigned long) height) << 16; gfx_msr_write(RC_ID_MCP, MCP_CMPVAL0 + 6, &msr_value); /* SET COMPARATOR MASKS */ /* COMPARATORS 0 AND 1 REFER TO LOWER 16 BITS OF REGB */ msr_value.high = 0x00000000; msr_value.low = 0x0000FFFF; gfx_msr_write(RC_ID_MCP, MCP_CMPMASK0, &msr_value); gfx_msr_write(RC_ID_MCP, MCP_CMPMASK0 + 2, &msr_value); /* COMPARATORS 2 AND 3 REFER TO UPPER 16 BITS OF REGB */ msr_value.low = 0xFFFF0000; gfx_msr_write(RC_ID_MCP, MCP_CMPMASK0 + 4, &msr_value); gfx_msr_write(RC_ID_MCP, MCP_CMPMASK0 + 6, &msr_value); /* SET REGA MASK TO CRC ONLY 24 BITS OF DATA */ msr_value.high = 0x00000000; msr_value.low = 0x00FFFFFF; gfx_msr_write(RC_ID_MCP, MCP_REGAMASK, &msr_value); /* SET REGB VALUE */ /* Lower 16 bits use HTOTAL - SYNC TIME - 1 to set the counter rollover * limit. */ /* Upper 16 bits use 0xFFFF to remove auto-clear behavior. */ msr_value.high = 0x00000000; msr_value.low = 0xFFFF0000 | ((gfx_get_htotal() - (gfx_get_hsync_end() - gfx_get_hsync_start()) - 1) & 0xFFFF); gfx_msr_write(RC_ID_MCP, MCP_REGBVAL, &msr_value); /* PROGRAM ACTIONS */ /* GOTO STATE 01 */ msr_value.high = 0x00000000; msr_value.low = 0x00000008 | (1l << vsync_inactive_shift); gfx_msr_write(RC_ID_MCP, MCP_ACTION0 + 14, &msr_value); /* GOTO STATE 10 */ msr_value.low = 0x00080000 | (1l << (vsync_active_shift + 16)); gfx_msr_write(RC_ID_MCP, MCP_ACTION0 + 15, &msr_value); /* GOTO STATE 11 */ msr_value.low = 0x00000080 | (1l << (vsync_inactive_shift + 4)); gfx_msr_write(RC_ID_MCP, MCP_ACTION0 + 16, &msr_value); /* CLEAR REGB (COUNTERS) */ /* RegB is cleared upon transitioning to state 10 */ /* RegA is not cleared as the initial value must be 0x00000001 */ msr_value.low = 0x00080000 | (1l << (vsync_active_shift + 16)); gfx_msr_write(RC_ID_MCP, MCP_ACTION0, &msr_value); /* CRC INTO REGA */ /* INCREMENT H. COUNTER */ /* cmp0 <= xpos < cmp1 */ /* cmp2 <= ypos < cmp3 */ /* XState = 10 */ msr_value.low = 0x00000008 | (1l << vsync_active_shift) | 0x00800000 | (1l << (hsync_active_shift + 20)); gfx_msr_write(RC_ID_MCP, MCP_ACTION0 + 1, &msr_value); /* INCREMENT V. COUNTER */ /* V. Counter is incremented when the H. Counter */ /* rolls over. */ msr_value.low = 0x00080000 | (1l << (vsync_inactive_shift + 16)); gfx_msr_write(RC_ID_MCP, MCP_ACTION0 + 2, &msr_value); /* CLEAR ALL OTHER ACTIONS */ /* This prevents side-effects from previous accesses to the MCP */ /* debug logic. */ msr_value.low = 0x00000000; msr_value.high = 0x00000000; gfx_msr_write(RC_ID_MCP, MCP_ACTION0 + 3, &msr_value); gfx_msr_write(RC_ID_MCP, MCP_ACTION0 + 4, &msr_value); gfx_msr_write(RC_ID_MCP, MCP_ACTION0 + 5, &msr_value); gfx_msr_write(RC_ID_MCP, MCP_ACTION0 + 6, &msr_value); gfx_msr_write(RC_ID_MCP, MCP_ACTION0 + 7, &msr_value); gfx_msr_write(RC_ID_MCP, MCP_ACTION0 + 8, &msr_value); gfx_msr_write(RC_ID_MCP, MCP_ACTION0 + 9, &msr_value); gfx_msr_write(RC_ID_MCP, MCP_ACTION0 + 10, &msr_value); gfx_msr_write(RC_ID_MCP, MCP_ACTION0 + 11, &msr_value); gfx_msr_write(RC_ID_MCP, MCP_ACTION0 + 12, &msr_value); gfx_msr_write(RC_ID_MCP, MCP_ACTION0 + 13, &msr_value); gfx_msr_write(RC_ID_MCP, MCP_ACTION0 + 17, &msr_value); gfx_msr_write(RC_ID_MCP, MCP_ACTION0 + 18, &msr_value); gfx_msr_write(RC_ID_MCP, MCP_ACTION0 + 19, &msr_value); gfx_msr_write(RC_ID_MCP, MCP_ACTION0 + 20, &msr_value); /* SET REGA CRC VALUE TO 1 OR 0 */ if (!crc32) msr_value.low = 0x00000001; gfx_msr_write(RC_ID_MCP, MCP_REGA, &msr_value); /* SET XSTATE TO 0 */ msr_value.low = 0; msr_value.high = 0; gfx_msr_write(RC_ID_MCP, MCP_XSTATE, &msr_value); /* CONFIGURE DIAG CONTROL */ /* Set all four comparators to watch the upper diag bus. */ /* Set REGA action1 to legacy CRC or 32-bit CRC. */ /* Set REGB action1 to increment lower 16 bits and clear at limit. */ /* Set REGB action2 to increment upper 16 bits. */ /* Enable all actions. */ if (crc32) msr_value.low = 0x9A820055; else msr_value.low = 0x9A840055; msr_value.high = 0x00000000; gfx_msr_write(RC_ID_MCP, MCP_DIAGCTL, &msr_value); /* DELAY TWO FRAMES */ while (!gfx_test_vertical_active()); while (gfx_test_vertical_active()); while (!gfx_test_vertical_active()); while (gfx_test_vertical_active()); while (!gfx_test_vertical_active()); /* VERIFY THAT XSTATE = 11 */ gfx_msr_read(RC_ID_MCP, MCP_XSTATE, &msr_value); if ((msr_value.low & 3) == 3) { gfx_msr_read(RC_ID_MCP, MCP_REGA, &msr_value); crc = msr_value.low; if (!crc32) crc &= 0xFFFFFF; } /* DISABLE MCP AND DF DIAG BUS OUTPUTS */ msr_value.low = 0x00000000; msr_value.high = 0x00000000; gfx_msr_write(RC_ID_DF, MBD_MSR_DIAG, &msr_value); gfx_msr_write(RC_ID_MCP, MBD_MSR_DIAG, &msr_value); /* DISABLE MCP ACTIONS */ msr_value.high = 0x00000000; msr_value.low = 0x00000000; gfx_msr_write(RC_ID_MCP, MCP_DIAGCTL, &msr_value); /* RESTORE PREVIOUS OUTPUT FORMAT */ if (source != CRC_SOURCE_GFX_DATA) { gfx_msr_read(RC_ID_DF, MBD_MSR_CONFIG, &msr_value); msr_value.low = old_fmt; gfx_msr_write(RC_ID_DF, MBD_MSR_CONFIG, &msr_value); } return crc; } /*--------------------------------------------------------------------------- * 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 redcloud_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(RCDF_ALPHA_CONTROL_1 + ((unsigned long) gfx_alpha_select << 5)); if (value & RCDF_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 redcloud_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(RCDF_ALPHA_XPOS_1 + ((unsigned long) gfx_alpha_select << 5)); *x = (unsigned short) (value & 0x000007FF); *width = (unsigned short) ((value >> 16) & 0x000007FF) - *x; value = READ_VID32(RCDF_ALPHA_YPOS_1 + ((unsigned long) gfx_alpha_select << 5)); *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 redcloud_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(RCDF_ALPHA_CONTROL_1 + ((unsigned long) gfx_alpha_select << 5)); *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 redcloud_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(RCDF_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 redcloud_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(RCDF_ALPHA_COLOR_1 + ((unsigned long) gfx_alpha_select << 5)); } return; } #endif /* GFX_READ_ROUTINES */ /* END OF FILE */