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/*
* This file is part of the coreboot project.
*
* File taken from the Linux xgifb driver (v3.18.5)
* Coreboot-specific includes added at top
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc.
*/
#ifndef _XGIFB_MAIN
#define _XGIFB_MAIN
/* coreboot includes */
#include "xgi_coreboot.h"
/* ------------------- Constant Definitions ------------------------- */
#include "XGIfb.h"
#include "vb_def.h"
#define PCI_DEVICE_ID_XGI_42 0x042
#define PCI_DEVICE_ID_XGI_27 0x027
/* To be included in fb.h */
#define XGISR (xgifb_info->dev_info.P3c4)
#define XGICR (xgifb_info->dev_info.P3d4)
#define XGIDACA (xgifb_info->dev_info.P3c8)
#define XGIDACD (xgifb_info->dev_info.P3c9)
#define XGIPART1 (xgifb_info->dev_info.Part1Port)
#define XGIPART2 (xgifb_info->dev_info.Part2Port)
#define XGIPART3 (xgifb_info->dev_info.Part3Port)
#define XGIPART4 (xgifb_info->dev_info.Part4Port)
#define XGIPART5 (xgifb_info->dev_info.Part5Port)
#define XGIDAC2A XGIPART5
#define XGIDAC2D (XGIPART5 + 1)
#define IND_XGI_SCRATCH_REG_CR30 0x30 /* CRs */
#define IND_XGI_SCRATCH_REG_CR31 0x31
#define IND_XGI_SCRATCH_REG_CR32 0x32
#define IND_XGI_SCRATCH_REG_CR33 0x33
#define IND_XGI_LCD_PANEL 0x36
#define IND_XGI_SCRATCH_REG_CR37 0x37
#define XGI_DRAM_SIZE_MASK 0xF0 /*SR14 */
#define XGI_DRAM_SIZE_1MB 0x00
#define XGI_DRAM_SIZE_2MB 0x01
#define XGI_DRAM_SIZE_4MB 0x02
#define XGI_DRAM_SIZE_8MB 0x03
#define XGI_DRAM_SIZE_16MB 0x04
#define XGI_DRAM_SIZE_32MB 0x05
#define XGI_DRAM_SIZE_64MB 0x06
#define XGI_DRAM_SIZE_128MB 0x07
#define XGI_DRAM_SIZE_256MB 0x08
/* ------------------- Global Variables ----------------------------- */
/* display status */
static int XGIfb_crt1off;
static int XGIfb_forcecrt1 = -1;
/* global flags */
#if IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT)
static int XGIfb_tvmode;
#endif
static int enable_dstn;
// static int XGIfb_ypan = -1;
/* TW: CRT2 type (for overriding autodetection) */
static int XGIfb_crt2type = -1;
/* PR: Tv plug type (for overriding autodetection) */
static int XGIfb_tvplug = -1;
#define MD_XGI315 1
/* mode table */
static const struct _XGIbios_mode {
u8 mode_no;
u16 vesa_mode_no_1; /* "XGI defined" VESA mode number */
u16 vesa_mode_no_2; /* Real VESA mode numbers */
u16 xres;
u16 yres;
u16 bpp;
u8 chipset;
} XGIbios_mode[] = {
{ 0x56, 0x0000, 0x0000, 320, 240, 16, MD_XGI315 },
{ 0x5A, 0x0000, 0x0000, 320, 480, 8, MD_XGI315 },
{ 0x5B, 0x0000, 0x0000, 320, 480, 16, MD_XGI315 },
{ 0x2E, 0x0101, 0x0101, 640, 480, 8, MD_XGI315 },
{ 0x44, 0x0111, 0x0111, 640, 480, 16, MD_XGI315 },
{ 0x62, 0x013a, 0x0112, 640, 480, 32, MD_XGI315 },
{ 0x31, 0x0000, 0x0000, 720, 480, 8, MD_XGI315 },
{ 0x33, 0x0000, 0x0000, 720, 480, 16, MD_XGI315 },
{ 0x35, 0x0000, 0x0000, 720, 480, 32, MD_XGI315 },
{ 0x32, 0x0000, 0x0000, 720, 576, 8, MD_XGI315 },
{ 0x34, 0x0000, 0x0000, 720, 576, 16, MD_XGI315 },
{ 0x36, 0x0000, 0x0000, 720, 576, 32, MD_XGI315 },
{ 0x36, 0x0000, 0x0000, 720, 576, 32, MD_XGI315 },
{ 0x70, 0x0000, 0x0000, 800, 480, 8, MD_XGI315 },
{ 0x7a, 0x0000, 0x0000, 800, 480, 16, MD_XGI315 },
{ 0x76, 0x0000, 0x0000, 800, 480, 32, MD_XGI315 },
{ 0x30, 0x0103, 0x0103, 800, 600, 8, MD_XGI315 },
#define DEFAULT_MODE 17 /* index for 800x600x16 */
{ 0x47, 0x0114, 0x0114, 800, 600, 16, MD_XGI315 },
{ 0x63, 0x013b, 0x0115, 800, 600, 32, MD_XGI315 },
{ 0x71, 0x0000, 0x0000, 1024, 576, 8, MD_XGI315 },
{ 0x74, 0x0000, 0x0000, 1024, 576, 16, MD_XGI315 },
{ 0x77, 0x0000, 0x0000, 1024, 576, 32, MD_XGI315 },
{ 0x77, 0x0000, 0x0000, 1024, 576, 32, MD_XGI315 },
{ 0x20, 0x0000, 0x0000, 1024, 600, 8, },
{ 0x21, 0x0000, 0x0000, 1024, 600, 16, },
{ 0x22, 0x0000, 0x0000, 1024, 600, 32, },
{ 0x38, 0x0105, 0x0105, 1024, 768, 8, MD_XGI315 },
{ 0x4A, 0x0117, 0x0117, 1024, 768, 16, MD_XGI315 },
{ 0x64, 0x013c, 0x0118, 1024, 768, 32, MD_XGI315 },
{ 0x64, 0x013c, 0x0118, 1024, 768, 32, MD_XGI315 },
{ 0x23, 0x0000, 0x0000, 1152, 768, 8, },
{ 0x24, 0x0000, 0x0000, 1152, 768, 16, },
{ 0x25, 0x0000, 0x0000, 1152, 768, 32, },
{ 0x79, 0x0000, 0x0000, 1280, 720, 8, MD_XGI315 },
{ 0x75, 0x0000, 0x0000, 1280, 720, 16, MD_XGI315 },
{ 0x78, 0x0000, 0x0000, 1280, 720, 32, MD_XGI315 },
{ 0x23, 0x0000, 0x0000, 1280, 768, 8, MD_XGI315 },
{ 0x24, 0x0000, 0x0000, 1280, 768, 16, MD_XGI315 },
{ 0x25, 0x0000, 0x0000, 1280, 768, 32, MD_XGI315 },
{ 0x7C, 0x0000, 0x0000, 1280, 960, 8, MD_XGI315 },
{ 0x7D, 0x0000, 0x0000, 1280, 960, 16, MD_XGI315 },
{ 0x7E, 0x0000, 0x0000, 1280, 960, 32, MD_XGI315 },
{ 0x3A, 0x0107, 0x0107, 1280, 1024, 8, MD_XGI315 },
{ 0x4D, 0x011a, 0x011a, 1280, 1024, 16, MD_XGI315 },
{ 0x65, 0x013d, 0x011b, 1280, 1024, 32, MD_XGI315 },
{ 0x26, 0x0000, 0x0000, 1400, 1050, 8, MD_XGI315 },
{ 0x27, 0x0000, 0x0000, 1400, 1050, 16, MD_XGI315 },
{ 0x28, 0x0000, 0x0000, 1400, 1050, 32, MD_XGI315 },
{ 0x3C, 0x0130, 0x011c, 1600, 1200, 8, MD_XGI315 },
{ 0x3D, 0x0131, 0x011e, 1600, 1200, 16, MD_XGI315 },
{ 0x66, 0x013e, 0x011f, 1600, 1200, 32, MD_XGI315 },
{ 0x68, 0x013f, 0x0000, 1920, 1440, 8, MD_XGI315 },
{ 0x69, 0x0140, 0x0000, 1920, 1440, 16, MD_XGI315 },
{ 0x6B, 0x0141, 0x0000, 1920, 1440, 32, MD_XGI315 },
{ 0x6c, 0x0000, 0x0000, 2048, 1536, 8, MD_XGI315 },
{ 0x6d, 0x0000, 0x0000, 2048, 1536, 16, MD_XGI315 },
{ 0x6e, 0x0000, 0x0000, 2048, 1536, 32, MD_XGI315 },
{ 0 },
};
static const unsigned short XGI310paneltype[] = {
LCD_UNKNOWN, LCD_800x600, LCD_1024x768, LCD_1280x1024,
LCD_640x480, LCD_1024x600, LCD_1152x864, LCD_1280x960,
LCD_1152x768, LCD_1400x1050, LCD_1280x768, LCD_1600x1200,
LCD_1024x768, LCD_1024x768, LCD_1024x768};
static const struct _XGI_crt2type {
char name[10];
int type_no;
int tvplug_no;
} XGI_crt2type[] = {
{"NONE", 0, -1},
{"LCD", XGIFB_DISP_LCD, -1},
{"TV", XGIFB_DISP_TV, -1},
{"VGA", XGIFB_DISP_CRT, -1},
{"SVIDEO", XGIFB_DISP_TV, TVPLUG_SVIDEO},
{"COMPOSITE", XGIFB_DISP_TV, TVPLUG_COMPOSITE},
{"SCART", XGIFB_DISP_TV, TVPLUG_SCART},
{"none", 0, -1},
{"lcd", XGIFB_DISP_LCD, -1},
{"tv", XGIFB_DISP_TV, -1},
{"vga", XGIFB_DISP_CRT, -1},
{"svideo", XGIFB_DISP_TV, TVPLUG_SVIDEO},
{"composite", XGIFB_DISP_TV, TVPLUG_COMPOSITE},
{"scart", XGIFB_DISP_TV, TVPLUG_SCART},
{"\0", -1, -1}
};
/* TV standard */
static const struct _XGI_tvtype {
char name[6];
int type_no;
} XGI_tvtype[] = {
{"PAL", 1},
{"NTSC", 2},
{"pal", 1},
{"ntsc", 2},
{"\0", -1}
};
static const struct _XGI_vrate {
u16 idx;
u16 xres;
u16 yres;
u16 refresh;
} XGIfb_vrate[] = {
{1, 640, 480, 60}, {2, 640, 480, 72},
{3, 640, 480, 75}, {4, 640, 480, 85},
{5, 640, 480, 100}, {6, 640, 480, 120},
{7, 640, 480, 160}, {8, 640, 480, 200},
{1, 720, 480, 60},
{1, 720, 576, 58},
{1, 800, 480, 60}, {2, 800, 480, 75}, {3, 800, 480, 85},
{1, 800, 600, 60}, {2, 800, 600, 72}, {3, 800, 600, 75},
{4, 800, 600, 85}, {5, 800, 600, 100},
{6, 800, 600, 120}, {7, 800, 600, 160},
{1, 1024, 768, 60}, {2, 1024, 768, 70}, {3, 1024, 768, 75},
{4, 1024, 768, 85}, {5, 1024, 768, 100}, {6, 1024, 768, 120},
{1, 1024, 576, 60}, {2, 1024, 576, 75}, {3, 1024, 576, 85},
{1, 1024, 600, 60},
{1, 1152, 768, 60},
{1, 1280, 720, 60}, {2, 1280, 720, 75}, {3, 1280, 720, 85},
{1, 1280, 768, 60},
{1, 1280, 1024, 60}, {2, 1280, 1024, 75}, {3, 1280, 1024, 85},
{1, 1280, 960, 70},
{1, 1400, 1050, 60},
{1, 1600, 1200, 60}, {2, 1600, 1200, 65},
{3, 1600, 1200, 70}, {4, 1600, 1200, 75},
{5, 1600, 1200, 85}, {6, 1600, 1200, 100},
{7, 1600, 1200, 120},
{1, 1920, 1440, 60}, {2, 1920, 1440, 65},
{3, 1920, 1440, 70}, {4, 1920, 1440, 75},
{5, 1920, 1440, 85}, {6, 1920, 1440, 100},
{1, 2048, 1536, 60}, {2, 2048, 1536, 65},
{3, 2048, 1536, 70}, {4, 2048, 1536, 75},
{5, 2048, 1536, 85},
{0, 0, 0, 0}
};
static const struct _XGI_TV_filter {
u8 filter[9][4];
} XGI_TV_filter[] = {
{ { {0x00, 0x00, 0x00, 0x40}, /* NTSCFilter_0 */
{0x00, 0xE0, 0x10, 0x60},
{0x00, 0xEE, 0x10, 0x44},
{0x00, 0xF4, 0x10, 0x38},
{0xF8, 0xF4, 0x18, 0x38},
{0xFC, 0xFB, 0x14, 0x2A},
{0x00, 0x00, 0x10, 0x20},
{0x00, 0x04, 0x10, 0x18},
{0xFF, 0xFF, 0xFF, 0xFF} } },
{ { {0x00, 0x00, 0x00, 0x40}, /* NTSCFilter_1 */
{0x00, 0xE0, 0x10, 0x60},
{0x00, 0xEE, 0x10, 0x44},
{0x00, 0xF4, 0x10, 0x38},
{0xF8, 0xF4, 0x18, 0x38},
{0xFC, 0xFB, 0x14, 0x2A},
{0x00, 0x00, 0x10, 0x20},
{0x00, 0x04, 0x10, 0x18},
{0xFF, 0xFF, 0xFF, 0xFF} } },
{ { {0x00, 0x00, 0x00, 0x40}, /* NTSCFilter_2 */
{0xF5, 0xEE, 0x1B, 0x44},
{0xF8, 0xF4, 0x18, 0x38},
{0xEB, 0x04, 0x25, 0x18},
{0xF1, 0x05, 0x1F, 0x16},
{0xF6, 0x06, 0x1A, 0x14},
{0xFA, 0x06, 0x16, 0x14},
{0x00, 0x04, 0x10, 0x18},
{0xFF, 0xFF, 0xFF, 0xFF} } },
{ { {0x00, 0x00, 0x00, 0x40}, /* NTSCFilter_3 */
{0xF1, 0x04, 0x1F, 0x18},
{0xEE, 0x0D, 0x22, 0x06},
{0xF7, 0x06, 0x19, 0x14},
{0xF4, 0x0B, 0x1C, 0x0A},
{0xFA, 0x07, 0x16, 0x12},
{0xF9, 0x0A, 0x17, 0x0C},
{0x00, 0x07, 0x10, 0x12},
{0xFF, 0xFF, 0xFF, 0xFF} } },
{ { {0x00, 0x00, 0x00, 0x40}, /* NTSCFilter_4 */
{0x00, 0xE0, 0x10, 0x60},
{0x00, 0xEE, 0x10, 0x44},
{0x00, 0xF4, 0x10, 0x38},
{0xF8, 0xF4, 0x18, 0x38},
{0xFC, 0xFB, 0x14, 0x2A},
{0x00, 0x00, 0x10, 0x20},
{0x00, 0x04, 0x10, 0x18},
{0xFF, 0xFF, 0xFF, 0xFF} } },
{ { {0x00, 0x00, 0x00, 0x40}, /* NTSCFilter_5 */
{0xF5, 0xEE, 0x1B, 0x44},
{0xF8, 0xF4, 0x18, 0x38},
{0xEB, 0x04, 0x25, 0x18},
{0xF1, 0x05, 0x1F, 0x16},
{0xF6, 0x06, 0x1A, 0x14},
{0xFA, 0x06, 0x16, 0x14},
{0x00, 0x04, 0x10, 0x18},
{0xFF, 0xFF, 0xFF, 0xFF} } },
{ { {0x00, 0x00, 0x00, 0x40}, /* NTSCFilter_6 */
{0xEB, 0x04, 0x25, 0x18},
{0xE7, 0x0E, 0x29, 0x04},
{0xEE, 0x0C, 0x22, 0x08},
{0xF6, 0x0B, 0x1A, 0x0A},
{0xF9, 0x0A, 0x17, 0x0C},
{0xFC, 0x0A, 0x14, 0x0C},
{0x00, 0x08, 0x10, 0x10},
{0xFF, 0xFF, 0xFF, 0xFF} } },
{ { {0x00, 0x00, 0x00, 0x40}, /* NTSCFilter_7 */
{0xEC, 0x02, 0x24, 0x1C},
{0xF2, 0x04, 0x1E, 0x18},
{0xEB, 0x15, 0x25, 0xF6},
{0xF4, 0x10, 0x1C, 0x00},
{0xF8, 0x0F, 0x18, 0x02},
{0x00, 0x04, 0x10, 0x18},
{0x01, 0x06, 0x0F, 0x14},
{0xFF, 0xFF, 0xFF, 0xFF} } },
{ { {0x00, 0x00, 0x00, 0x40}, /* PALFilter_0 */
{0x00, 0xE0, 0x10, 0x60},
{0x00, 0xEE, 0x10, 0x44},
{0x00, 0xF4, 0x10, 0x38},
{0xF8, 0xF4, 0x18, 0x38},
{0xFC, 0xFB, 0x14, 0x2A},
{0x00, 0x00, 0x10, 0x20},
{0x00, 0x04, 0x10, 0x18},
{0xFF, 0xFF, 0xFF, 0xFF} } },
{ { {0x00, 0x00, 0x00, 0x40}, /* PALFilter_1 */
{0x00, 0xE0, 0x10, 0x60},
{0x00, 0xEE, 0x10, 0x44},
{0x00, 0xF4, 0x10, 0x38},
{0xF8, 0xF4, 0x18, 0x38},
{0xFC, 0xFB, 0x14, 0x2A},
{0x00, 0x00, 0x10, 0x20},
{0x00, 0x04, 0x10, 0x18},
{0xFF, 0xFF, 0xFF, 0xFF} } },
{ { {0x00, 0x00, 0x00, 0x40}, /* PALFilter_2 */
{0xF5, 0xEE, 0x1B, 0x44},
{0xF8, 0xF4, 0x18, 0x38},
{0xF1, 0xF7, 0x01, 0x32},
{0xF5, 0xFB, 0x1B, 0x2A},
{0xF9, 0xFF, 0x17, 0x22},
{0xFB, 0x01, 0x15, 0x1E},
{0x00, 0x04, 0x10, 0x18},
{0xFF, 0xFF, 0xFF, 0xFF} } },
{ { {0x00, 0x00, 0x00, 0x40}, /* PALFilter_3 */
{0xF5, 0xFB, 0x1B, 0x2A},
{0xEE, 0xFE, 0x22, 0x24},
{0xF3, 0x00, 0x1D, 0x20},
{0xF9, 0x03, 0x17, 0x1A},
{0xFB, 0x02, 0x14, 0x1E},
{0xFB, 0x04, 0x15, 0x18},
{0x00, 0x06, 0x10, 0x14},
{0xFF, 0xFF, 0xFF, 0xFF} } },
{ { {0x00, 0x00, 0x00, 0x40}, /* PALFilter_4 */
{0x00, 0xE0, 0x10, 0x60},
{0x00, 0xEE, 0x10, 0x44},
{0x00, 0xF4, 0x10, 0x38},
{0xF8, 0xF4, 0x18, 0x38},
{0xFC, 0xFB, 0x14, 0x2A},
{0x00, 0x00, 0x10, 0x20},
{0x00, 0x04, 0x10, 0x18},
{0xFF, 0xFF, 0xFF, 0xFF} } },
{ { {0x00, 0x00, 0x00, 0x40}, /* PALFilter_5 */
{0xF5, 0xEE, 0x1B, 0x44},
{0xF8, 0xF4, 0x18, 0x38},
{0xF1, 0xF7, 0x1F, 0x32},
{0xF5, 0xFB, 0x1B, 0x2A},
{0xF9, 0xFF, 0x17, 0x22},
{0xFB, 0x01, 0x15, 0x1E},
{0x00, 0x04, 0x10, 0x18},
{0xFF, 0xFF, 0xFF, 0xFF} } },
{ { {0x00, 0x00, 0x00, 0x40}, /* PALFilter_6 */
{0xF5, 0xEE, 0x1B, 0x2A},
{0xEE, 0xFE, 0x22, 0x24},
{0xF3, 0x00, 0x1D, 0x20},
{0xF9, 0x03, 0x17, 0x1A},
{0xFB, 0x02, 0x14, 0x1E},
{0xFB, 0x04, 0x15, 0x18},
{0x00, 0x06, 0x10, 0x14},
{0xFF, 0xFF, 0xFF, 0xFF} } },
{ { {0x00, 0x00, 0x00, 0x40}, /* PALFilter_7 */
{0xF5, 0xEE, 0x1B, 0x44},
{0xF8, 0xF4, 0x18, 0x38},
{0xFC, 0xFB, 0x14, 0x2A},
{0xEB, 0x05, 0x25, 0x16},
{0xF1, 0x05, 0x1F, 0x16},
{0xFA, 0x07, 0x16, 0x12},
{0x00, 0x07, 0x10, 0x12},
{0xFF, 0xFF, 0xFF, 0xFF} } }
};
#if IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT)
static int filter = -1;
#endif
#endif
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