2N/A/*
2N/A * GRUB -- GRand Unified Bootloader
2N/A * Copyright (C) 2005,2006,2007,2008,2009,2010 Free Software Foundation, Inc.
2N/A *
2N/A * GRUB is free software: you can redistribute it and/or modify
2N/A * it under the terms of the GNU General Public License as published by
2N/A * the Free Software Foundation, either version 3 of the License, or
2N/A * (at your option) any later version.
2N/A *
2N/A * GRUB is distributed in the hope that it will be useful,
2N/A * but WITHOUT ANY WARRANTY; without even the implied warranty of
2N/A * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2N/A * GNU General Public License for more details.
2N/A *
2N/A * You should have received a copy of the GNU General Public License
2N/A * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
2N/A */
2N/A
2N/A#define grub_video_render_target grub_video_fbrender_target
2N/A
2N/A#include <grub/err.h>
2N/A#include <grub/types.h>
2N/A#include <grub/dl.h>
2N/A#include <grub/misc.h>
2N/A#include <grub/mm.h>
2N/A#include <grub/video.h>
2N/A#include <grub/video_fb.h>
2N/A#include <grub/pci.h>
2N/A#include <grub/vga.h>
2N/A
2N/AGRUB_MOD_LICENSE ("GPLv3+");
2N/A
2N/Astatic struct
2N/A{
2N/A struct grub_video_mode_info mode_info;
2N/A grub_size_t page_size; /* The size of a page in bytes. */
2N/A
2N/A grub_uint8_t *ptr;
2N/A int mapped;
2N/A grub_uint32_t base;
2N/A grub_pci_device_t dev;
2N/A} framebuffer;
2N/A
2N/A#define CIRRUS_APERTURE_SIZE 0x1000000
2N/A
2N/A#define CIRRUS_MAX_WIDTH 0x800
2N/A#define CIRRUS_MAX_HEIGHT 0x800
2N/A#define CIRRUS_MAX_PITCH (0x1ff * GRUB_VGA_CR_PITCH_DIVISOR)
2N/A
2N/Aenum
2N/A {
2N/A CIRRUS_CR_EXTENDED_DISPLAY = 0x1b,
2N/A CIRRUS_CR_EXTENDED_OVERLAY = 0x1d,
2N/A CIRRUS_CR_MAX
2N/A };
2N/A
2N/A#define CIRRUS_CR_EXTENDED_DISPLAY_PITCH_MASK 0x10
2N/A#define CIRRUS_CR_EXTENDED_DISPLAY_PITCH_SHIFT 4
2N/A#define CIRRUS_CR_EXTENDED_DISPLAY_START_MASK1 0x1
2N/A#define CIRRUS_CR_EXTENDED_DISPLAY_START_SHIFT1 16
2N/A#define CIRRUS_CR_EXTENDED_DISPLAY_START_MASK2 0xc
2N/A#define CIRRUS_CR_EXTENDED_DISPLAY_START_SHIFT2 15
2N/A
2N/A#define CIRRUS_CR_EXTENDED_OVERLAY_DISPLAY_START_MASK 0x80
2N/A#define CIRRUS_CR_EXTENDED_OVERLAY_DISPLAY_START_SHIFT 12
2N/A
2N/Aenum
2N/A {
2N/A CIRRUS_SR_EXTENDED_MODE = 7,
2N/A CIRRUS_SR_MAX
2N/A };
2N/A
2N/A#define CIRRUS_SR_EXTENDED_MODE_LFB_ENABLE 0xf0
2N/A#define CIRRUS_SR_EXTENDED_MODE_ENABLE_EXT 0x01
2N/A#define CIRRUS_SR_EXTENDED_MODE_8BPP 0x00
2N/A#define CIRRUS_SR_EXTENDED_MODE_16BPP 0x06
2N/A#define CIRRUS_SR_EXTENDED_MODE_24BPP 0x04
2N/A#define CIRRUS_SR_EXTENDED_MODE_32BPP 0x08
2N/A
2N/A#define CIRRUS_HIDDEN_DAC_ENABLE_EXT 0x80
2N/A#define CIRRUS_HIDDEN_DAC_ENABLE_ALL 0x40
2N/A#define CIRRUS_HIDDEN_DAC_8BPP 0
2N/A#define CIRRUS_HIDDEN_DAC_15BPP (CIRRUS_HIDDEN_DAC_ENABLE_EXT \
2N/A | CIRRUS_HIDDEN_DAC_ENABLE_ALL | 0)
2N/A#define CIRRUS_HIDDEN_DAC_16BPP (CIRRUS_HIDDEN_DAC_ENABLE_EXT \
2N/A | CIRRUS_HIDDEN_DAC_ENABLE_ALL | 1)
2N/A#define CIRRUS_HIDDEN_DAC_888COLOR (CIRRUS_HIDDEN_DAC_ENABLE_EXT \
2N/A | CIRRUS_HIDDEN_DAC_ENABLE_ALL | 5)
2N/A
2N/Astatic void
2N/Awrite_hidden_dac (grub_uint8_t data)
2N/A{
2N/A grub_inb (GRUB_VGA_IO_PALLETTE_WRITE_INDEX);
2N/A grub_inb (GRUB_VGA_IO_PIXEL_MASK);
2N/A grub_inb (GRUB_VGA_IO_PIXEL_MASK);
2N/A grub_inb (GRUB_VGA_IO_PIXEL_MASK);
2N/A grub_inb (GRUB_VGA_IO_PIXEL_MASK);
2N/A grub_outb (data, GRUB_VGA_IO_PIXEL_MASK);
2N/A}
2N/A
2N/Astatic grub_uint8_t
2N/Aread_hidden_dac (void)
2N/A{
2N/A grub_inb (GRUB_VGA_IO_PALLETTE_WRITE_INDEX);
2N/A grub_inb (GRUB_VGA_IO_PIXEL_MASK);
2N/A grub_inb (GRUB_VGA_IO_PIXEL_MASK);
2N/A grub_inb (GRUB_VGA_IO_PIXEL_MASK);
2N/A grub_inb (GRUB_VGA_IO_PIXEL_MASK);
2N/A return grub_inb (GRUB_VGA_IO_PIXEL_MASK);
2N/A}
2N/A
2N/Astruct saved_state
2N/A{
2N/A grub_uint8_t cr[CIRRUS_CR_MAX];
2N/A grub_uint8_t gr[GRUB_VGA_GR_MAX];
2N/A grub_uint8_t sr[CIRRUS_SR_MAX];
2N/A grub_uint8_t hidden_dac;
2N/A /* We need to preserve VGA font and VGA text. */
2N/A grub_uint8_t vram[32 * 4 * 256];
2N/A grub_uint8_t r[256];
2N/A grub_uint8_t g[256];
2N/A grub_uint8_t b[256];
2N/A};
2N/A
2N/Astatic struct saved_state initial_state;
2N/Astatic int state_saved = 0;
2N/A
2N/Astatic void
2N/Asave_state (struct saved_state *st)
2N/A{
2N/A unsigned i;
2N/A for (i = 0; i < ARRAY_SIZE (st->cr); i++)
2N/A st->cr[i] = grub_vga_cr_read (i);
2N/A for (i = 0; i < ARRAY_SIZE (st->sr); i++)
2N/A st->sr[i] = grub_vga_sr_read (i);
2N/A for (i = 0; i < ARRAY_SIZE (st->gr); i++)
2N/A st->gr[i] = grub_vga_gr_read (i);
2N/A for (i = 0; i < 256; i++)
2N/A grub_vga_palette_read (i, st->r + i, st->g + i, st->b + i);
2N/A
2N/A st->hidden_dac = read_hidden_dac ();
2N/A grub_vga_sr_write (GRUB_VGA_SR_MEMORY_MODE_CHAIN4, GRUB_VGA_SR_MEMORY_MODE);
2N/A grub_memcpy (st->vram, framebuffer.ptr, sizeof (st->vram));
2N/A}
2N/A
2N/Astatic void
2N/Arestore_state (struct saved_state *st)
2N/A{
2N/A unsigned i;
2N/A grub_vga_sr_write (GRUB_VGA_SR_MEMORY_MODE_CHAIN4, GRUB_VGA_SR_MEMORY_MODE);
2N/A grub_memcpy (framebuffer.ptr, st->vram, sizeof (st->vram));
2N/A for (i = 0; i < ARRAY_SIZE (st->cr); i++)
2N/A grub_vga_cr_write (st->cr[i], i);
2N/A for (i = 0; i < ARRAY_SIZE (st->sr); i++)
2N/A grub_vga_sr_write (st->sr[i], i);
2N/A for (i = 0; i < ARRAY_SIZE (st->gr); i++)
2N/A grub_vga_gr_write (st->gr[i], i);
2N/A for (i = 0; i < 256; i++)
2N/A grub_vga_palette_write (i, st->r[i], st->g[i], st->b[i]);
2N/A
2N/A write_hidden_dac (st->hidden_dac);
2N/A}
2N/A
2N/Astatic grub_err_t
2N/Agrub_video_cirrus_video_init (void)
2N/A{
2N/A /* Reset frame buffer. */
2N/A grub_memset (&framebuffer, 0, sizeof(framebuffer));
2N/A
2N/A return grub_video_fb_init ();
2N/A}
2N/A
2N/Astatic grub_err_t
2N/Agrub_video_cirrus_video_fini (void)
2N/A{
2N/A if (framebuffer.mapped)
2N/A grub_pci_device_unmap_range (framebuffer.dev, framebuffer.ptr,
2N/A CIRRUS_APERTURE_SIZE);
2N/A
2N/A if (state_saved)
2N/A {
2N/A restore_state (&initial_state);
2N/A state_saved = 0;
2N/A }
2N/A
2N/A return grub_video_fb_fini ();
2N/A}
2N/A
2N/Astatic grub_err_t
2N/Adoublebuf_pageflipping_set_page (int page)
2N/A{
2N/A int start = framebuffer.page_size * page / 4;
2N/A grub_uint8_t cr_ext, cr_overlay;
2N/A
2N/A grub_vga_cr_write (start & 0xff, GRUB_VGA_CR_START_ADDR_LOW_REGISTER);
2N/A grub_vga_cr_write ((start & 0xff00) >> 8,
2N/A GRUB_VGA_CR_START_ADDR_HIGH_REGISTER);
2N/A
2N/A cr_ext = grub_vga_cr_read (CIRRUS_CR_EXTENDED_DISPLAY);
2N/A cr_ext &= ~(CIRRUS_CR_EXTENDED_DISPLAY_START_MASK1
2N/A | CIRRUS_CR_EXTENDED_DISPLAY_START_MASK2);
2N/A cr_ext |= ((start >> CIRRUS_CR_EXTENDED_DISPLAY_START_SHIFT1)
2N/A & CIRRUS_CR_EXTENDED_DISPLAY_START_MASK1);
2N/A cr_ext |= ((start >> CIRRUS_CR_EXTENDED_DISPLAY_START_SHIFT2)
2N/A & CIRRUS_CR_EXTENDED_DISPLAY_START_MASK2);
2N/A grub_vga_cr_write (cr_ext, CIRRUS_CR_EXTENDED_DISPLAY);
2N/A
2N/A cr_overlay = grub_vga_cr_read (CIRRUS_CR_EXTENDED_OVERLAY);
2N/A cr_overlay &= ~(CIRRUS_CR_EXTENDED_OVERLAY_DISPLAY_START_MASK);
2N/A cr_overlay |= ((start >> CIRRUS_CR_EXTENDED_OVERLAY_DISPLAY_START_SHIFT)
2N/A & CIRRUS_CR_EXTENDED_OVERLAY_DISPLAY_START_MASK);
2N/A grub_vga_cr_write (cr_overlay, CIRRUS_CR_EXTENDED_OVERLAY);
2N/A
2N/A return GRUB_ERR_NONE;
2N/A}
2N/A
2N/Astatic grub_err_t
2N/Agrub_video_cirrus_set_palette (unsigned int start, unsigned int count,
2N/A struct grub_video_palette_data *palette_data)
2N/A{
2N/A if (framebuffer.mode_info.mode_type == GRUB_VIDEO_MODE_TYPE_INDEX_COLOR)
2N/A {
2N/A unsigned i;
2N/A if (start >= 0x100)
2N/A return GRUB_ERR_NONE;
2N/A if (start + count >= 0x100)
2N/A count = 0x100 - start;
2N/A
2N/A for (i = 0; i < count; i++)
2N/A grub_vga_palette_write (start + i, palette_data[i].r, palette_data[i].g,
2N/A palette_data[i].b);
2N/A }
2N/A
2N/A /* Then set color to emulated palette. */
2N/A return grub_video_fb_set_palette (start, count, palette_data);
2N/A}
2N/A
2N/Astatic grub_err_t
2N/Agrub_video_cirrus_setup (unsigned int width, unsigned int height,
2N/A grub_video_mode_type_t mode_type,
2N/A grub_video_mode_type_t mode_mask)
2N/A{
2N/A int depth;
2N/A grub_err_t err;
2N/A int found = 0;
2N/A int pitch, bytes_per_pixel;
2N/A
2N/A auto int NESTED_FUNC_ATTR find_card (grub_pci_device_t dev, grub_pci_id_t pciid __attribute__ ((unused)));
2N/A int NESTED_FUNC_ATTR find_card (grub_pci_device_t dev, grub_pci_id_t pciid)
2N/A {
2N/A grub_pci_address_t addr;
2N/A grub_uint32_t class;
2N/A
2N/A addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
2N/A class = grub_pci_read (addr);
2N/A
2N/A if (((class >> 16) & 0xffff) != 0x0300 || pciid != 0x00b81013)
2N/A return 0;
2N/A
2N/A found = 1;
2N/A
2N/A addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG0);
2N/A framebuffer.base = grub_pci_read (addr) & GRUB_PCI_ADDR_MEM_MASK;
2N/A framebuffer.dev = dev;
2N/A
2N/A return 1;
2N/A }
2N/A
2N/A /* Decode depth from mode_type. If it is zero, then autodetect. */
2N/A depth = (mode_type & GRUB_VIDEO_MODE_TYPE_DEPTH_MASK)
2N/A >> GRUB_VIDEO_MODE_TYPE_DEPTH_POS;
2N/A
2N/A if (width == 0 || height == 0)
2N/A {
2N/A width = 800;
2N/A height = 600;
2N/A }
2N/A
2N/A if (width & (GRUB_VGA_CR_WIDTH_DIVISOR - 1))
2N/A return grub_error (GRUB_ERR_IO,
2N/A "screen width must be a multiple of %d",
2N/A GRUB_VGA_CR_WIDTH_DIVISOR);
2N/A
2N/A if (width > CIRRUS_MAX_WIDTH)
2N/A return grub_error (GRUB_ERR_IO,
2N/A "screen width must be at most %d", CIRRUS_MAX_WIDTH);
2N/A
2N/A if (height > CIRRUS_MAX_HEIGHT)
2N/A return grub_error (GRUB_ERR_IO,
2N/A "screen height must be at most %d", CIRRUS_MAX_HEIGHT);
2N/A
2N/A if (depth == 0
2N/A && !grub_video_check_mode_flag (mode_type, mode_mask,
2N/A GRUB_VIDEO_MODE_TYPE_INDEX_COLOR, 0))
2N/A depth = 24;
2N/A
2N/A if (depth == 0)
2N/A depth = 8;
2N/A
2N/A if (depth != 32 && depth != 24 && depth != 16 && depth != 15 && depth != 8)
2N/A return grub_error (GRUB_ERR_IO, "only 32, 24, 16, 15 and 8-bit bpp are"
2N/A " supported by cirrus video");
2N/A
2N/A bytes_per_pixel = (depth + 7) / 8;
2N/A pitch = width * bytes_per_pixel;
2N/A
2N/A if (pitch > CIRRUS_MAX_PITCH)
2N/A return grub_error (GRUB_ERR_IO,
2N/A "screen width must be at most %d at bitdepth %d",
2N/A CIRRUS_MAX_PITCH / bytes_per_pixel, depth);
2N/A
2N/A framebuffer.page_size = pitch * height;
2N/A
2N/A if (framebuffer.page_size > CIRRUS_APERTURE_SIZE)
2N/A return grub_error (GRUB_ERR_IO, "Not enough video memory for this mode");
2N/A
2N/A grub_pci_iterate (find_card);
2N/A if (!found)
2N/A return grub_error (GRUB_ERR_IO, "Couldn't find graphics card");
2N/A
2N/A if (found && framebuffer.base == 0)
2N/A {
2N/A /* FIXME: change framebuffer base */
2N/A return grub_error (GRUB_ERR_IO, "PCI BAR not set");
2N/A }
2N/A
2N/A /* We can safely discard volatile attribute. */
2N/A framebuffer.ptr = (void *) grub_pci_device_map_range (framebuffer.dev,
2N/A framebuffer.base,
2N/A CIRRUS_APERTURE_SIZE);
2N/A framebuffer.mapped = 1;
2N/A
2N/A if (!state_saved)
2N/A {
2N/A save_state (&initial_state);
2N/A state_saved = 1;
2N/A }
2N/A
2N/A {
2N/A struct grub_video_hw_config config = {
2N/A .pitch = pitch / GRUB_VGA_CR_PITCH_DIVISOR,
2N/A .line_compare = 0x3ff,
2N/A .vdisplay_end = height - 1,
2N/A .horizontal_end = width / GRUB_VGA_CR_WIDTH_DIVISOR
2N/A };
2N/A grub_uint8_t sr_ext = 0, hidden_dac = 0;
2N/A
2N/A grub_vga_set_geometry (&config, grub_vga_cr_write);
2N/A
2N/A grub_vga_gr_write (GRUB_VGA_GR_MODE_256_COLOR | GRUB_VGA_GR_MODE_READ_MODE1,
2N/A GRUB_VGA_GR_MODE);
2N/A grub_vga_gr_write (GRUB_VGA_GR_GR6_GRAPHICS_MODE, GRUB_VGA_GR_GR6);
2N/A
2N/A grub_vga_sr_write (GRUB_VGA_SR_MEMORY_MODE_NORMAL, GRUB_VGA_SR_MEMORY_MODE);
2N/A
2N/A grub_vga_cr_write ((config.pitch >> CIRRUS_CR_EXTENDED_DISPLAY_PITCH_SHIFT)
2N/A & CIRRUS_CR_EXTENDED_DISPLAY_PITCH_MASK,
2N/A CIRRUS_CR_EXTENDED_DISPLAY);
2N/A
2N/A grub_vga_cr_write (GRUB_VGA_CR_MODE_TIMING_ENABLE
2N/A | GRUB_VGA_CR_MODE_BYTE_MODE
2N/A | GRUB_VGA_CR_MODE_NO_HERCULES | GRUB_VGA_CR_MODE_NO_CGA,
2N/A GRUB_VGA_CR_MODE);
2N/A
2N/A doublebuf_pageflipping_set_page (0);
2N/A
2N/A sr_ext = CIRRUS_SR_EXTENDED_MODE_LFB_ENABLE
2N/A | CIRRUS_SR_EXTENDED_MODE_ENABLE_EXT;
2N/A switch (depth)
2N/A {
2N/A /* FIXME: support 8-bit grayscale and 8-bit RGB. */
2N/A case 32:
2N/A hidden_dac = CIRRUS_HIDDEN_DAC_888COLOR;
2N/A sr_ext |= CIRRUS_SR_EXTENDED_MODE_32BPP;
2N/A break;
2N/A case 24:
2N/A hidden_dac = CIRRUS_HIDDEN_DAC_888COLOR;
2N/A sr_ext |= CIRRUS_SR_EXTENDED_MODE_24BPP;
2N/A break;
2N/A case 16:
2N/A hidden_dac = CIRRUS_HIDDEN_DAC_16BPP;
2N/A sr_ext |= CIRRUS_SR_EXTENDED_MODE_16BPP;
2N/A break;
2N/A case 15:
2N/A hidden_dac = CIRRUS_HIDDEN_DAC_15BPP;
2N/A sr_ext |= CIRRUS_SR_EXTENDED_MODE_16BPP;
2N/A break;
2N/A case 8:
2N/A hidden_dac = CIRRUS_HIDDEN_DAC_8BPP;
2N/A sr_ext |= CIRRUS_SR_EXTENDED_MODE_8BPP;
2N/A break;
2N/A }
2N/A grub_vga_sr_write (sr_ext, CIRRUS_SR_EXTENDED_MODE);
2N/A write_hidden_dac (hidden_dac);
2N/A }
2N/A
2N/A /* Fill mode info details. */
2N/A framebuffer.mode_info.width = width;
2N/A framebuffer.mode_info.height = height;
2N/A framebuffer.mode_info.mode_type = GRUB_VIDEO_MODE_TYPE_RGB;
2N/A framebuffer.mode_info.bpp = depth;
2N/A framebuffer.mode_info.bytes_per_pixel = bytes_per_pixel;
2N/A framebuffer.mode_info.pitch = pitch;
2N/A framebuffer.mode_info.number_of_colors = 256;
2N/A framebuffer.mode_info.reserved_mask_size = 0;
2N/A framebuffer.mode_info.reserved_field_pos = 0;
2N/A
2N/A switch (depth)
2N/A {
2N/A case 8:
2N/A framebuffer.mode_info.mode_type = GRUB_VIDEO_MODE_TYPE_INDEX_COLOR;
2N/A break;
2N/A case 16:
2N/A framebuffer.mode_info.red_mask_size = 5;
2N/A framebuffer.mode_info.red_field_pos = 11;
2N/A framebuffer.mode_info.green_mask_size = 6;
2N/A framebuffer.mode_info.green_field_pos = 5;
2N/A framebuffer.mode_info.blue_mask_size = 5;
2N/A framebuffer.mode_info.blue_field_pos = 0;
2N/A break;
2N/A
2N/A case 15:
2N/A framebuffer.mode_info.red_mask_size = 5;
2N/A framebuffer.mode_info.red_field_pos = 10;
2N/A framebuffer.mode_info.green_mask_size = 5;
2N/A framebuffer.mode_info.green_field_pos = 5;
2N/A framebuffer.mode_info.blue_mask_size = 5;
2N/A framebuffer.mode_info.blue_field_pos = 0;
2N/A break;
2N/A
2N/A case 32:
2N/A framebuffer.mode_info.reserved_mask_size = 8;
2N/A framebuffer.mode_info.reserved_field_pos = 24;
2N/A
2N/A case 24:
2N/A framebuffer.mode_info.red_mask_size = 8;
2N/A framebuffer.mode_info.red_field_pos = 16;
2N/A framebuffer.mode_info.green_mask_size = 8;
2N/A framebuffer.mode_info.green_field_pos = 8;
2N/A framebuffer.mode_info.blue_mask_size = 8;
2N/A framebuffer.mode_info.blue_field_pos = 0;
2N/A break;
2N/A }
2N/A
2N/A framebuffer.mode_info.blit_format = grub_video_get_blit_format (&framebuffer.mode_info);
2N/A
2N/A if (CIRRUS_APERTURE_SIZE >= 2 * framebuffer.page_size)
2N/A err = grub_video_fb_setup (mode_type, mode_mask,
2N/A &framebuffer.mode_info,
2N/A framebuffer.ptr,
2N/A doublebuf_pageflipping_set_page,
2N/A framebuffer.ptr + framebuffer.page_size);
2N/A else
2N/A err = grub_video_fb_setup (mode_type, mode_mask,
2N/A &framebuffer.mode_info,
2N/A framebuffer.ptr, 0, 0);
2N/A
2N/A
2N/A /* Copy default palette to initialize emulated palette. */
2N/A err = grub_video_cirrus_set_palette (0, GRUB_VIDEO_FBSTD_NUMCOLORS,
2N/A grub_video_fbstd_colors);
2N/A return err;
2N/A}
2N/A
2N/Astatic struct grub_video_adapter grub_video_cirrus_adapter =
2N/A {
2N/A .name = "Cirrus CLGD 5446 PCI Video Driver",
2N/A .id = GRUB_VIDEO_DRIVER_CIRRUS,
2N/A
2N/A .prio = GRUB_VIDEO_ADAPTER_PRIO_NATIVE,
2N/A
2N/A .init = grub_video_cirrus_video_init,
2N/A .fini = grub_video_cirrus_video_fini,
2N/A .setup = grub_video_cirrus_setup,
2N/A .get_info = grub_video_fb_get_info,
2N/A .get_info_and_fini = grub_video_fb_get_info_and_fini,
2N/A .set_palette = grub_video_cirrus_set_palette,
2N/A .get_palette = grub_video_fb_get_palette,
2N/A .set_viewport = grub_video_fb_set_viewport,
2N/A .get_viewport = grub_video_fb_get_viewport,
2N/A .map_color = grub_video_fb_map_color,
2N/A .map_rgb = grub_video_fb_map_rgb,
2N/A .map_rgba = grub_video_fb_map_rgba,
2N/A .unmap_color = grub_video_fb_unmap_color,
2N/A .fill_rect = grub_video_fb_fill_rect,
2N/A .blit_bitmap = grub_video_fb_blit_bitmap,
2N/A .blit_render_target = grub_video_fb_blit_render_target,
2N/A .scroll = grub_video_fb_scroll,
2N/A .swap_buffers = grub_video_fb_swap_buffers,
2N/A .create_render_target = grub_video_fb_create_render_target,
2N/A .delete_render_target = grub_video_fb_delete_render_target,
2N/A .set_active_render_target = grub_video_fb_set_active_render_target,
2N/A .get_active_render_target = grub_video_fb_get_active_render_target,
2N/A
2N/A .next = 0
2N/A };
2N/A
2N/AGRUB_MOD_INIT(video_cirrus)
2N/A{
2N/A grub_video_register (&grub_video_cirrus_adapter);
2N/A}
2N/A
2N/AGRUB_MOD_FINI(video_cirrus)
2N/A{
2N/A grub_video_unregister (&grub_video_cirrus_adapter);
2N/A}