| /* |
| * QEMU internal VGA defines. |
| * |
| * Copyright (c) 2003-2004 Fabrice Bellard |
| * |
| * 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. |
| */ |
| #define MSR_COLOR_EMULATION 0x01 |
| #define MSR_PAGE_SELECT 0x20 |
| |
| #define ST01_V_RETRACE 0x08 |
| #define ST01_DISP_ENABLE 0x01 |
| |
| /* bochs VBE support */ |
| #define CONFIG_BOCHS_VBE |
| |
| #define VBE_DISPI_MAX_XRES 1024 |
| #define VBE_DISPI_MAX_YRES 768 |
| |
| #define VBE_DISPI_INDEX_ID 0x0 |
| #define VBE_DISPI_INDEX_XRES 0x1 |
| #define VBE_DISPI_INDEX_YRES 0x2 |
| #define VBE_DISPI_INDEX_BPP 0x3 |
| #define VBE_DISPI_INDEX_ENABLE 0x4 |
| #define VBE_DISPI_INDEX_BANK 0x5 |
| #define VBE_DISPI_INDEX_VIRT_WIDTH 0x6 |
| #define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7 |
| #define VBE_DISPI_INDEX_X_OFFSET 0x8 |
| #define VBE_DISPI_INDEX_Y_OFFSET 0x9 |
| #define VBE_DISPI_INDEX_NB 0xa |
| |
| #define VBE_DISPI_ID0 0xB0C0 |
| #define VBE_DISPI_ID1 0xB0C1 |
| #define VBE_DISPI_ID2 0xB0C2 |
| |
| #define VBE_DISPI_DISABLED 0x00 |
| #define VBE_DISPI_ENABLED 0x01 |
| #define VBE_DISPI_LFB_ENABLED 0x40 |
| #define VBE_DISPI_NOCLEARMEM 0x80 |
| |
| #define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000 |
| |
| #ifdef CONFIG_BOCHS_VBE |
| |
| #define VGA_STATE_COMMON_BOCHS_VBE \ |
| uint16_t vbe_index; \ |
| uint16_t vbe_regs[VBE_DISPI_INDEX_NB]; \ |
| uint32_t vbe_start_addr; \ |
| uint32_t vbe_line_offset; \ |
| uint32_t vbe_bank_mask; |
| |
| #else |
| |
| #define VGA_STATE_COMMON_BOCHS_VBE |
| |
| #endif /* !CONFIG_BOCHS_VBE */ |
| |
| #define CH_ATTR_SIZE (160 * 100) |
| #define VGA_MAX_HEIGHT 1024 |
| |
| #define VGA_STATE_COMMON \ |
| uint8_t *vram_ptr; \ |
| unsigned long vram_offset; \ |
| unsigned int vram_size; \ |
| unsigned long bios_offset; \ |
| unsigned int bios_size; \ |
| uint32_t latch; \ |
| uint8_t sr_index; \ |
| uint8_t sr[256]; \ |
| uint8_t gr_index; \ |
| uint8_t gr[256]; \ |
| uint8_t ar_index; \ |
| uint8_t ar[21]; \ |
| int ar_flip_flop; \ |
| uint8_t cr_index; \ |
| uint8_t cr[256]; /* CRT registers */ \ |
| uint8_t msr; /* Misc Output Register */ \ |
| uint8_t fcr; /* Feature Control Register */ \ |
| uint8_t st00; /* status 0 */ \ |
| uint8_t st01; /* status 1 */ \ |
| uint8_t dac_state; \ |
| uint8_t dac_sub_index; \ |
| uint8_t dac_read_index; \ |
| uint8_t dac_write_index; \ |
| uint8_t dac_cache[3]; /* used when writing */ \ |
| uint8_t palette[768]; \ |
| int32_t bank_offset; \ |
| int (*get_bpp)(struct VGAState *s); \ |
| void (*get_offsets)(struct VGAState *s, \ |
| uint32_t *pline_offset, \ |
| uint32_t *pstart_addr); \ |
| void (*get_resolution)(struct VGAState *s, \ |
| int *pwidth, \ |
| int *pheight); \ |
| VGA_STATE_COMMON_BOCHS_VBE \ |
| /* display refresh support */ \ |
| DisplayState *ds; \ |
| uint32_t font_offsets[2]; \ |
| int graphic_mode; \ |
| uint8_t shift_control; \ |
| uint8_t double_scan; \ |
| uint32_t line_offset; \ |
| uint32_t line_compare; \ |
| uint32_t start_addr; \ |
| uint32_t plane_updated; \ |
| uint8_t last_cw, last_ch; \ |
| uint32_t last_width, last_height; /* in chars or pixels */ \ |
| uint32_t last_scr_width, last_scr_height; /* in pixels */ \ |
| uint8_t cursor_start, cursor_end; \ |
| uint32_t cursor_offset; \ |
| unsigned int (*rgb_to_pixel)(unsigned int r, \ |
| unsigned int g, unsigned b); \ |
| /* hardware mouse cursor support */ \ |
| uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; \ |
| void (*cursor_invalidate)(struct VGAState *s); \ |
| void (*cursor_draw_line)(struct VGAState *s, uint8_t *d, int y); \ |
| /* tell for each page if it has been updated since the last time */ \ |
| uint32_t last_palette[256]; \ |
| uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */ |
| |
| |
| typedef struct VGAState { |
| VGA_STATE_COMMON |
| } VGAState; |
| |
| static inline int c6_to_8(int v) |
| { |
| int b; |
| v &= 0x3f; |
| b = v & 1; |
| return (v << 2) | (b << 1) | b; |
| } |
| |
| void vga_common_init(VGAState *s, DisplayState *ds, uint8_t *vga_ram_base, |
| unsigned long vga_ram_offset, int vga_ram_size); |
| uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr); |
| void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val); |
| void vga_invalidate_scanlines(VGAState *s, int y1, int y2); |
| |
| void vga_draw_cursor_line_8(uint8_t *d1, const uint8_t *src1, |
| int poffset, int w, |
| unsigned int color0, unsigned int color1, |
| unsigned int color_xor); |
| void vga_draw_cursor_line_16(uint8_t *d1, const uint8_t *src1, |
| int poffset, int w, |
| unsigned int color0, unsigned int color1, |
| unsigned int color_xor); |
| void vga_draw_cursor_line_32(uint8_t *d1, const uint8_t *src1, |
| int poffset, int w, |
| unsigned int color0, unsigned int color1, |
| unsigned int color_xor); |
| |
| extern const uint8_t sr_mask[8]; |
| extern const uint8_t gr_mask[16]; |
