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Diffstat (limited to 'src/devices/oprom/yabel/vbe.c')
| -rw-r--r-- | src/devices/oprom/yabel/vbe.c | 774 |
1 files changed, 0 insertions, 774 deletions
diff --git a/src/devices/oprom/yabel/vbe.c b/src/devices/oprom/yabel/vbe.c deleted file mode 100644 index 9dbe07cdd5..0000000000 --- a/src/devices/oprom/yabel/vbe.c +++ /dev/null @@ -1,774 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2004, 2008 IBM Corporation - * Copyright (c) 2009 Pattrick Hueper <phueper@hueper.net> - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -#include <string.h> -#include <types.h> -#if CONFIG_FRAMEBUFFER_SET_VESA_MODE -#include <boot/coreboot_tables.h> -#endif - -#include <arch/byteorder.h> - -#include "debug.h" - -#include <x86emu/x86emu.h> -#include <x86emu/regs.h> -#include "../x86emu/prim_ops.h" - -#include "biosemu.h" -#include "io.h" -#include "mem.h" -#include "interrupt.h" -#include "device.h" - -#include <cbfs.h> - -#include <delay.h> -#include "../../src/lib/jpeg.h" - -#include <vbe.h> - -// pointer to VBEInfoBuffer, set by vbe_prepare -u8 *vbe_info_buffer = 0; - -// virtual BIOS Memory -u8 *biosmem; -u32 biosmem_size; - -static inline u8 -vbe_prepare(void) -{ - vbe_info_buffer = biosmem + (VBE_SEGMENT << 4); // segment:offset off VBE Data Area - //clear buffer - memset(vbe_info_buffer, 0, 512); - //set VbeSignature to "VBE2" to indicate VBE 2.0+ request - vbe_info_buffer[0] = 'V'; - vbe_info_buffer[0] = 'B'; - vbe_info_buffer[0] = 'E'; - vbe_info_buffer[0] = '2'; - // ES:DI store pointer to buffer in virtual mem see vbe_info_buffer above... - M.x86.R_EDI = 0x0; - M.x86.R_ES = VBE_SEGMENT; - - return 0; // successfull init -} - -#if CONFIG_FRAMEBUFFER_SET_VESA_MODE -// VBE Function 00h -static u8 -vbe_info(vbe_info_t * info) -{ - vbe_prepare(); - // call VBE function 00h (Info Function) - M.x86.R_EAX = 0x4f00; - - // enable trace - CHECK_DBG(DEBUG_TRACE_X86EMU) { - X86EMU_trace_on(); - } - // run VESA Interrupt - runInt10(); - - if (M.x86.R_AL != 0x4f) { - DEBUG_PRINTF_VBE("%s: VBE Info Function NOT supported! AL=%x\n", - __func__, M.x86.R_AL); - return -1; - } - - if (M.x86.R_AH != 0x0) { - DEBUG_PRINTF_VBE - ("%s: VBE Info Function Return Code NOT OK! AH=%x\n", - __func__, M.x86.R_AH); - return M.x86.R_AH; - } - //printf("VBE Info Dump:"); - //dump(vbe_info_buffer, 64); - - //offset 0: signature - info->signature[0] = vbe_info_buffer[0]; - info->signature[1] = vbe_info_buffer[1]; - info->signature[2] = vbe_info_buffer[2]; - info->signature[3] = vbe_info_buffer[3]; - - // offset 4: 16bit le containing VbeVersion - info->version = in16le(vbe_info_buffer + 4); - - // offset 6: 32bit le containg segment:offset of OEM String in virtual Mem. - info->oem_string_ptr = - biosmem + ((in16le(vbe_info_buffer + 8) << 4) + - in16le(vbe_info_buffer + 6)); - - // offset 10: 32bit le capabilities - info->capabilities = in32le(vbe_info_buffer + 10); - - // offset 14: 32 bit le containing segment:offset of supported video mode table - u16 *video_mode_ptr; - video_mode_ptr = - (u16 *) (biosmem + - ((in16le(vbe_info_buffer + 16) << 4) + - in16le(vbe_info_buffer + 14))); - u32 i = 0; - do { - info->video_mode_list[i] = in16le(video_mode_ptr + i); - i++; - } - while ((i < - (sizeof(info->video_mode_list) / - sizeof(info->video_mode_list[0]))) - && (info->video_mode_list[i - 1] != 0xFFFF)); - - //offset 18: 16bit le total memory in 64KB blocks - info->total_memory = in16le(vbe_info_buffer + 18); - - return 0; -} - -static int mode_info_valid; - -int vbe_mode_info_valid(void) -{ - return mode_info_valid; -} - -// VBE Function 01h -static u8 -vbe_get_mode_info(vbe_mode_info_t * mode_info) -{ - vbe_prepare(); - // call VBE function 01h (Return VBE Mode Info Function) - M.x86.R_EAX = 0x4f01; - M.x86.R_CX = mode_info->video_mode; - - // enable trace - CHECK_DBG(DEBUG_TRACE_X86EMU) { - X86EMU_trace_on(); - } - // run VESA Interrupt - runInt10(); - - if (M.x86.R_AL != 0x4f) { - DEBUG_PRINTF_VBE - ("%s: VBE Return Mode Info Function NOT supported! AL=%x\n", - __func__, M.x86.R_AL); - return -1; - } - - if (M.x86.R_AH != 0x0) { - DEBUG_PRINTF_VBE - ("%s: VBE Return Mode Info (mode: %04x) Function Return Code NOT OK! AH=%02x\n", - __func__, mode_info->video_mode, M.x86.R_AH); - return M.x86.R_AH; - } - - //pointer to mode_info_block is in ES:DI - memcpy(mode_info->mode_info_block, - biosmem + ((M.x86.R_ES << 4) + M.x86.R_DI), - sizeof(mode_info->mode_info_block)); - mode_info_valid = 1; - - //printf("Mode Info Dump:"); - //dump(mode_info_block, 64); - - return 0; -} - -// VBE Function 02h -static u8 -vbe_set_mode(vbe_mode_info_t * mode_info) -{ - vbe_prepare(); - // call VBE function 02h (Set VBE Mode Function) - M.x86.R_EAX = 0x4f02; - M.x86.R_BX = mode_info->video_mode; - M.x86.R_BX |= 0x4000; // set bit 14 to request linear framebuffer mode - M.x86.R_BX &= 0x7FFF; // clear bit 15 to request clearing of framebuffer - - DEBUG_PRINTF_VBE("%s: setting mode: 0x%04x\n", __func__, - M.x86.R_BX); - - // enable trace - CHECK_DBG(DEBUG_TRACE_X86EMU) { - X86EMU_trace_on(); - } - // run VESA Interrupt - runInt10(); - - if (M.x86.R_AL != 0x4f) { - DEBUG_PRINTF_VBE - ("%s: VBE Set Mode Function NOT supported! AL=%x\n", - __func__, M.x86.R_AL); - return -1; - } - - if (M.x86.R_AH != 0x0) { - DEBUG_PRINTF_VBE - ("%s: mode: %x VBE Set Mode Function Return Code NOT OK! AH=%x\n", - __func__, mode_info->video_mode, M.x86.R_AH); - return M.x86.R_AH; - } - return 0; -} - -#if 0 -//VBE Function 08h -static u8 -vbe_set_palette_format(u8 format) -{ - vbe_prepare(); - // call VBE function 09h (Set/Get Palette Data Function) - M.x86.R_EAX = 0x4f08; - M.x86.R_BL = 0x00; // set format - M.x86.R_BH = format; - - DEBUG_PRINTF_VBE("%s: setting palette format: %d\n", __func__, - format); - - // enable trace - CHECK_DBG(DEBUG_TRACE_X86EMU) { - X86EMU_trace_on(); - } - // run VESA Interrupt - runInt10(); - - if (M.x86.R_AL != 0x4f) { - DEBUG_PRINTF_VBE - ("%s: VBE Set Palette Format Function NOT supported! AL=%x\n", - __func__, M.x86.R_AL); - return -1; - } - - if (M.x86.R_AH != 0x0) { - DEBUG_PRINTF_VBE - ("%s: VBE Set Palette Format Function Return Code NOT OK! AH=%x\n", - __func__, M.x86.R_AH); - return M.x86.R_AH; - } - return 0; -} - -// VBE Function 09h -static u8 -vbe_set_color(u16 color_number, u32 color_value) -{ - vbe_prepare(); - // call VBE function 09h (Set/Get Palette Data Function) - M.x86.R_EAX = 0x4f09; - M.x86.R_BL = 0x00; // set color - M.x86.R_CX = 0x01; // set only one entry - M.x86.R_DX = color_number; - // ES:DI is address where color_value is stored, we store it at 2000:0000 - M.x86.R_ES = 0x2000; - M.x86.R_DI = 0x0; - - // store color value at ES:DI - out32le(biosmem + (M.x86.R_ES << 4) + M.x86.R_DI, color_value); - - DEBUG_PRINTF_VBE("%s: setting color #%x: 0x%04x\n", __func__, - color_number, color_value); - - // enable trace - CHECK_DBG(DEBUG_TRACE_X86EMU) { - X86EMU_trace_on(); - } - // run VESA Interrupt - runInt10(); - - if (M.x86.R_AL != 0x4f) { - DEBUG_PRINTF_VBE - ("%s: VBE Set Palette Function NOT supported! AL=%x\n", - __func__, M.x86.R_AL); - return -1; - } - - if (M.x86.R_AH != 0x0) { - DEBUG_PRINTF_VBE - ("%s: VBE Set Palette Function Return Code NOT OK! AH=%x\n", - __func__, M.x86.R_AH); - return M.x86.R_AH; - } - return 0; -} - -static u8 -vbe_get_color(u16 color_number, u32 * color_value) -{ - vbe_prepare(); - // call VBE function 09h (Set/Get Palette Data Function) - M.x86.R_EAX = 0x4f09; - M.x86.R_BL = 0x00; // get color - M.x86.R_CX = 0x01; // get only one entry - M.x86.R_DX = color_number; - // ES:DI is address where color_value is stored, we store it at 2000:0000 - M.x86.R_ES = 0x2000; - M.x86.R_DI = 0x0; - - // enable trace - CHECK_DBG(DEBUG_TRACE_X86EMU) { - X86EMU_trace_on(); - } - // run VESA Interrupt - runInt10(); - - if (M.x86.R_AL != 0x4f) { - DEBUG_PRINTF_VBE - ("%s: VBE Set Palette Function NOT supported! AL=%x\n", - __func__, M.x86.R_AL); - return -1; - } - - if (M.x86.R_AH != 0x0) { - DEBUG_PRINTF_VBE - ("%s: VBE Set Palette Function Return Code NOT OK! AH=%x\n", - __func__, M.x86.R_AH); - return M.x86.R_AH; - } - // read color value from ES:DI - *color_value = in32le(biosmem + (M.x86.R_ES << 4) + M.x86.R_DI); - - DEBUG_PRINTF_VBE("%s: getting color #%x --> 0x%04x\n", __func__, - color_number, *color_value); - - return 0; -} - -// VBE Function 15h -static u8 -vbe_get_ddc_info(vbe_ddc_info_t * ddc_info) -{ - vbe_prepare(); - // call VBE function 15h (DDC Info Function) - M.x86.R_EAX = 0x4f15; - M.x86.R_BL = 0x00; // get DDC Info - M.x86.R_CX = ddc_info->port_number; - M.x86.R_ES = 0x0; - M.x86.R_DI = 0x0; - - // enable trace - CHECK_DBG(DEBUG_TRACE_X86EMU) { - X86EMU_trace_on(); - } - // run VESA Interrupt - runInt10(); - - if (M.x86.R_AL != 0x4f) { - DEBUG_PRINTF_VBE - ("%s: VBE Get DDC Info Function NOT supported! AL=%x\n", - __func__, M.x86.R_AL); - return -1; - } - - if (M.x86.R_AH != 0x0) { - DEBUG_PRINTF_VBE - ("%s: port: %x VBE Get DDC Info Function Return Code NOT OK! AH=%x\n", - __func__, ddc_info->port_number, M.x86.R_AH); - return M.x86.R_AH; - } - // BH = approx. time in seconds to transfer one EDID block - ddc_info->edid_transfer_time = M.x86.R_BH; - // BL = DDC Level - ddc_info->ddc_level = M.x86.R_BL; - - vbe_prepare(); - // call VBE function 15h (DDC Info Function) - M.x86.R_EAX = 0x4f15; - M.x86.R_BL = 0x01; // read EDID - M.x86.R_CX = ddc_info->port_number; - M.x86.R_DX = 0x0; // block number - // ES:DI is address where EDID is stored, we store it at 2000:0000 - M.x86.R_ES = 0x2000; - M.x86.R_DI = 0x0; - - // enable trace - CHECK_DBG(DEBUG_TRACE_X86EMU) { - X86EMU_trace_on(); - } - // run VESA Interrupt - runInt10(); - - if (M.x86.R_AL != 0x4f) { - DEBUG_PRINTF_VBE - ("%s: VBE Read EDID Function NOT supported! AL=%x\n", - __func__, M.x86.R_AL); - return -1; - } - - if (M.x86.R_AH != 0x0) { - DEBUG_PRINTF_VBE - ("%s: port: %x VBE Read EDID Function Return Code NOT OK! AH=%x\n", - __func__, ddc_info->port_number, M.x86.R_AH); - return M.x86.R_AH; - } - - memcpy(ddc_info->edid_block_zero, - biosmem + (M.x86.R_ES << 4) + M.x86.R_DI, - sizeof(ddc_info->edid_block_zero)); - - return 0; -} - -static u32 -vbe_get_info(void) -{ - u8 rval; - int i; - - // XXX FIXME these need to be filled with sane values - - // get a copy of input struct... - screen_info_input_t input; - // output is pointer to the address passed as argv[4] - screen_info_t local_output; - screen_info_t *output = &local_output; - // zero input - memset(&input, 0, sizeof(screen_info_input_t)); - // zero output - memset(&output, 0, sizeof(screen_info_t)); - - vbe_info_t info; - rval = vbe_info(&info); - if (rval != 0) - return rval; - - DEBUG_PRINTF_VBE("VbeSignature: %s\n", info.signature); - DEBUG_PRINTF_VBE("VbeVersion: 0x%04x\n", info.version); - DEBUG_PRINTF_VBE("OemString: %s\n", info.oem_string_ptr); - DEBUG_PRINTF_VBE("Capabilities:\n"); - DEBUG_PRINTF_VBE("\tDAC: %s\n", - (info.capabilities & 0x1) == - 0 ? "fixed 6bit" : "switchable 6/8bit"); - DEBUG_PRINTF_VBE("\tVGA: %s\n", - (info.capabilities & 0x2) == - 0 ? "compatible" : "not compatible"); - DEBUG_PRINTF_VBE("\tRAMDAC: %s\n", - (info.capabilities & 0x4) == - 0 ? "normal" : "use blank bit in Function 09h"); - - // argv[4] may be a pointer with enough space to return screen_info_t - // as input, it must contain a screen_info_input_t with the following content: - // byte[0:3] = "DDC\0" (zero-terminated signature header) - // byte[4:5] = reserved space for the return struct... just in case we ever change - // the struct and dont have reserved enough memory (and let's hope the struct - // never gets larger than 64KB) - // byte[6] = monitor port number for DDC requests ("only" one byte... so lets hope we never have more than 255 monitors... - // byte[7:8] = max. screen width (OF may want to limit this) - // byte[9] = required color depth in bpp - if (strncmp((char *) input.signature, "DDC", 4) != 0) { - printf - ("%s: Invalid input signature! expected: %s, is: %s\n", - __func__, "DDC", input.signature); - return -1; - } - if (input.size_reserved != sizeof(screen_info_t)) { - printf - ("%s: Size of return struct is wrong, required: %d, available: %d\n", - __func__, (int) sizeof(screen_info_t), - input.size_reserved); - return -1; - } - - vbe_ddc_info_t ddc_info; - ddc_info.port_number = input.monitor_number; - vbe_get_ddc_info(&ddc_info); - -#if 0 - DEBUG_PRINTF_VBE("DDC: edid_tranfer_time: %d\n", - ddc_info.edid_transfer_time); - DEBUG_PRINTF_VBE("DDC: ddc_level: %x\n", ddc_info.ddc_level); - DEBUG_PRINTF_VBE("DDC: EDID: \n"); - CHECK_DBG(DEBUG_VBE) { - dump(ddc_info.edid_block_zero, - sizeof(ddc_info.edid_block_zero)); - } -#endif -/* This could fail because of alignment issues, so use a longer form. - *((u64 *) ddc_info.edid_block_zero) != (u64) 0x00FFFFFFFFFFFF00ULL -*/ - if (ddc_info.edid_block_zero[0] != 0x00 || - ddc_info.edid_block_zero[1] != 0xFF || - ddc_info.edid_block_zero[2] != 0xFF || - ddc_info.edid_block_zero[3] != 0xFF || - ddc_info.edid_block_zero[4] != 0xFF || - ddc_info.edid_block_zero[5] != 0xFF || - ddc_info.edid_block_zero[6] != 0xFF || - ddc_info.edid_block_zero[7] != 0x00 ) { - // invalid EDID signature... probably no monitor - - output->display_type = 0x0; - return 0; - } else if ((ddc_info.edid_block_zero[20] & 0x80) != 0) { - // digital display - output->display_type = 2; - } else { - // analog - output->display_type = 1; - } - DEBUG_PRINTF_VBE("DDC: found display type %d\n", output->display_type); - memcpy(output->edid_block_zero, ddc_info.edid_block_zero, - sizeof(ddc_info.edid_block_zero)); - i = 0; - vbe_mode_info_t mode_info; - vbe_mode_info_t best_mode_info; - // initialize best_mode to 0 - memset(&best_mode_info, 0, sizeof(best_mode_info)); - while ((mode_info.video_mode = info.video_mode_list[i]) != 0xFFFF) { - //DEBUG_PRINTF_VBE("%x: Mode: %04x\n", i, mode_info.video_mode); - vbe_get_mode_info(&mode_info); - - // FIXME all these values are little endian! - - DEBUG_PRINTF_VBE("Video Mode 0x%04x available, %s\n", - mode_info.video_mode, - (le16_to_cpu(mode_info.vesa.mode_attributes) & 0x1) == - 0 ? "not supported" : "supported"); - DEBUG_PRINTF_VBE("\tTTY: %s\n", - (le16_to_cpu(mode_info.vesa.mode_attributes) & 0x4) == - 0 ? "no" : "yes"); - DEBUG_PRINTF_VBE("\tMode: %s %s\n", - (le16_to_cpu(mode_info.vesa.mode_attributes) & 0x8) == - 0 ? "monochrome" : "color", - (le16_to_cpu(mode_info.vesa.mode_attributes) & 0x10) == - 0 ? "text" : "graphics"); - DEBUG_PRINTF_VBE("\tVGA: %s\n", - (le16_to_cpu(mode_info.vesa.mode_attributes) & 0x20) == - 0 ? "compatible" : "not compatible"); - DEBUG_PRINTF_VBE("\tWindowed Mode: %s\n", - (le16_to_cpu(mode_info.vesa.mode_attributes) & 0x40) == - 0 ? "yes" : "no"); - DEBUG_PRINTF_VBE("\tFramebuffer: %s\n", - (le16_to_cpu(mode_info.vesa.mode_attributes) & 0x80) == - 0 ? "no" : "yes"); - DEBUG_PRINTF_VBE("\tResolution: %dx%d\n", - le16_to_cpu(mode_info.vesa.x_resolution), - le16_to_cpu(mode_info.vesa.y_resolution)); - DEBUG_PRINTF_VBE("\tChar Size: %dx%d\n", - mode_info.vesa.x_charsize, mode_info.vesa.y_charsize); - DEBUG_PRINTF_VBE("\tColor Depth: %dbpp\n", - mode_info.vesa.bits_per_pixel); - DEBUG_PRINTF_VBE("\tMemory Model: 0x%x\n", - mode_info.vesa.memory_model); - DEBUG_PRINTF_VBE("\tFramebuffer Offset: %08x\n", - le32_to_cpu(mode_info.vesa.phys_base_ptr)); - - if ((mode_info.vesa.bits_per_pixel == input.color_depth) - && (le16_to_cpu(mode_info.vesa.x_resolution) <= input.max_screen_width) - && ((le16_to_cpu(mode_info.vesa.mode_attributes) & 0x80) != 0) // framebuffer mode - && ((le16_to_cpu(mode_info.vesa.mode_attributes) & 0x10) != 0) // graphics - && ((le16_to_cpu(mode_info.vesa.mode_attributes) & 0x8) != 0) // color - && (le16_to_cpu(mode_info.vesa.x_resolution) > le16_to_cpu(best_mode_info.vesa.x_resolution))) // better than previous best_mode - { - // yiiiihaah... we found a new best mode - memcpy(&best_mode_info, &mode_info, sizeof(mode_info)); - } - i++; - } - - if (best_mode_info.video_mode != 0) { - DEBUG_PRINTF_VBE - ("Best Video Mode found: 0x%x, %dx%d, %dbpp, framebuffer_address: 0x%x\n", - best_mode_info.video_mode, - best_mode_info.vesa.x_resolution, - best_mode_info.vesa.y_resolution, - best_mode_info.vesa.bits_per_pixel, - le32_to_cpu(best_mode_info.vesa.phys_base_ptr)); - - //printf("Mode Info Dump:"); - //dump(best_mode_info.mode_info_block, 64); - - // set the video mode - vbe_set_mode(&best_mode_info); - - if ((info.capabilities & 0x1) != 0) { - // switch to 8 bit palette format - vbe_set_palette_format(8); - } - // setup a palette: - // - first 216 colors are mixed colors for each component in 6 steps - // (6*6*6=216) - // - then 10 shades of the three primary colors - // - then 10 shades of grey - // ------- - // = 256 colors - // - // - finally black is color 0 and white color FF (because SLOF expects it - // this way...) - // this resembles the palette that the kernel/X Server seems to expect... - - u8 mixed_color_values[6] = - { 0xFF, 0xDA, 0xB3, 0x87, 0x54, 0x00 }; - u8 primary_color_values[10] = - { 0xF3, 0xE7, 0xCD, 0xC0, 0xA5, 0x96, 0x77, 0x66, 0x3F, - 0x27 - }; - u8 mc_size = sizeof(mixed_color_values); - u8 prim_size = sizeof(primary_color_values); - - u8 curr_color_index; - u32 curr_color; - - u8 r, g, b; - // 216 mixed colors - for (r = 0; r < mc_size; r++) { - for (g = 0; g < mc_size; g++) { - for (b = 0; b < mc_size; b++) { - curr_color_index = - (r * mc_size * mc_size) + - (g * mc_size) + b; - curr_color = 0; - curr_color |= ((u32) mixed_color_values[r]) << 16; //red value - curr_color |= ((u32) mixed_color_values[g]) << 8; //green value - curr_color |= (u32) mixed_color_values[b]; //blue value - vbe_set_color(curr_color_index, - curr_color); - } - } - } - - // 10 shades of each primary color - // red - for (r = 0; r < prim_size; r++) { - curr_color_index = mc_size * mc_size * mc_size + r; - curr_color = ((u32) primary_color_values[r]) << 16; - vbe_set_color(curr_color_index, curr_color); - } - //green - for (g = 0; g < prim_size; g++) { - curr_color_index = - mc_size * mc_size * mc_size + prim_size + g; - curr_color = ((u32) primary_color_values[g]) << 8; - vbe_set_color(curr_color_index, curr_color); - } - //blue - for (b = 0; b < prim_size; b++) { - curr_color_index = - mc_size * mc_size * mc_size + prim_size * 2 + b; - curr_color = (u32) primary_color_values[b]; - vbe_set_color(curr_color_index, curr_color); - } - // 10 shades of grey - for (i = 0; i < prim_size; i++) { - curr_color_index = - mc_size * mc_size * mc_size + prim_size * 3 + i; - curr_color = 0; - curr_color |= ((u32) primary_color_values[i]) << 16; //red - curr_color |= ((u32) primary_color_values[i]) << 8; //green - curr_color |= ((u32) primary_color_values[i]); //blue - vbe_set_color(curr_color_index, curr_color); - } - - // SLOF is using color 0x0 (black) and 0xFF (white) to draw to the screen... - vbe_set_color(0x00, 0x00000000); - vbe_set_color(0xFF, 0x00FFFFFF); - - output->screen_width = le16_to_cpu(best_mode_info.vesa.x_resolution); - output->screen_height = le16_to_cpu(best_mode_info.vesa.y_resolution); - output->screen_linebytes = le16_to_cpu(best_mode_info.vesa.bytes_per_scanline); - output->color_depth = best_mode_info.vesa.bits_per_pixel; - output->framebuffer_address = - le32_to_cpu(best_mode_info.vesa.phys_base_ptr); - } else { - printf("%s: No suitable video mode found!\n", __func__); - //unset display_type... - output->display_type = 0; - } - return 0; -} -#endif - -vbe_mode_info_t mode_info; - -void vbe_set_graphics(void) -{ - u8 rval; - - vbe_info_t info; - rval = vbe_info(&info); - if (rval != 0) - return; - - DEBUG_PRINTF_VBE("VbeSignature: %s\n", info.signature); - DEBUG_PRINTF_VBE("VbeVersion: 0x%04x\n", info.version); - DEBUG_PRINTF_VBE("OemString: %s\n", info.oem_string_ptr); - DEBUG_PRINTF_VBE("Capabilities:\n"); - DEBUG_PRINTF_VBE("\tDAC: %s\n", - (info.capabilities & 0x1) == - 0 ? "fixed 6bit" : "switchable 6/8bit"); - DEBUG_PRINTF_VBE("\tVGA: %s\n", - (info.capabilities & 0x2) == - 0 ? "compatible" : "not compatible"); - DEBUG_PRINTF_VBE("\tRAMDAC: %s\n", - (info.capabilities & 0x4) == - 0 ? "normal" : "use blank bit in Function 09h"); - - mode_info.video_mode = (1 << 14) | CONFIG_FRAMEBUFFER_VESA_MODE; - vbe_get_mode_info(&mode_info); - vbe_set_mode(&mode_info); - -#if CONFIG_BOOTSPLASH - unsigned char *framebuffer = - (unsigned char *) le32_to_cpu(mode_info.vesa.phys_base_ptr); - DEBUG_PRINTF_VBE("FRAMEBUFFER: 0x%p\n", framebuffer); - - struct jpeg_decdata *decdata; - decdata = malloc(sizeof(*decdata)); - - /* Switching Intel IGD to 1MB video memory will break this. Who - * cares. */ - // int imagesize = 1024*768*2; - - unsigned char *jpeg = cbfs_find_file("bootsplash.jpg", CBFS_TYPE_BOOTSPLASH); - if (!jpeg) { - DEBUG_PRINTF_VBE("Could not find bootsplash.jpg\n"); - return; - } - DEBUG_PRINTF_VBE("Splash at %p ...\n", jpeg); - dump(jpeg, 64); - - int ret = 0; - DEBUG_PRINTF_VBE("Decompressing boot splash screen...\n"); - ret = jpeg_decode(jpeg, framebuffer, 1024, 768, 16, decdata); - DEBUG_PRINTF_VBE("returns %x\n", ret); -#endif -} - -void fill_lb_framebuffer(struct lb_framebuffer *framebuffer) -{ - framebuffer->physical_address = le32_to_cpu(mode_info.vesa.phys_base_ptr); - - framebuffer->x_resolution = le16_to_cpu(mode_info.vesa.x_resolution); - framebuffer->y_resolution = le16_to_cpu(mode_info.vesa.y_resolution); - framebuffer->bytes_per_line = le16_to_cpu(mode_info.vesa.bytes_per_scanline); - framebuffer->bits_per_pixel = mode_info.vesa.bits_per_pixel; - - framebuffer->red_mask_pos = mode_info.vesa.red_mask_pos; - framebuffer->red_mask_size = mode_info.vesa.red_mask_size; - - framebuffer->green_mask_pos = mode_info.vesa.green_mask_pos; - framebuffer->green_mask_size = mode_info.vesa.green_mask_size; - - framebuffer->blue_mask_pos = mode_info.vesa.blue_mask_pos; - framebuffer->blue_mask_size = mode_info.vesa.blue_mask_size; - - framebuffer->reserved_mask_pos = mode_info.vesa.reserved_mask_pos; - framebuffer->reserved_mask_size = mode_info.vesa.reserved_mask_size; -} - -void vbe_textmode_console(void) -{ - /* Wait, just a little bit more, pleeeease ;-) */ - delay(2); - - M.x86.R_EAX = 0x0003; - runInt10(); -} - -#endif |