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Fuloong video init support.

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* include/grub/vga.h (grub_vga_write_arx): inb monochrome address as
	well.
	(grub_vga_read_arx): New function.
	* grub-core/video/sis315pro.c (GRUB_SIS315PRO_MMIO_SPACE): New
	definition.
	(framebuffer): New members io, mmioptr and mmiobase.
	(read_sis_cmd): New function.
	(write_sis_cmd): Likewise.
	(grub_video_sis315pro_setup): Do the initialisation. Use 640x480
	rather than 640x400.
	* grub-core/video/sis315_init.c: New file.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-05-16 02:34:58 +02:00
parent c3fc520c0d
commit 736e0ade54
3 changed files with 377 additions and 4 deletions
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15
include/grub/vga.h
View file

@ -84,8 +84,8 @@ enum
{
GRUB_VGA_IO_MISC_COLOR = 0x01,
GRUB_VGA_IO_MISC_ENABLE_VRAM_ACCESS = 0x02,
GRUB_VGA_IO_MISC_EXTERNAL_CLOCK_0 = 0x08,
GRUB_VGA_IO_MISC_28MHZ = 0x04,
GRUB_VGA_IO_MISC_EXTERNAL_CLOCK_0 = 0x08,
GRUB_VGA_IO_MISC_UPPER_64K = 0x20,
GRUB_VGA_IO_MISC_NEGATIVE_HORIZ_POLARITY = 0x40,
GRUB_VGA_IO_MISC_NEGATIVE_VERT_POLARITY = 0x80,
@ -290,11 +290,24 @@ static inline void
grub_vga_write_arx (grub_uint8_t val, grub_uint8_t addr)
{
grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_INPUT_STATUS1_REGISTER);
grub_inb (GRUB_MACHINE_PCI_IO_BASE + 0x3ba);
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_ARX);
grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_ARX_READ);
grub_outb (val, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_ARX);
}
static inline grub_uint8_t
grub_vga_read_arx (grub_uint8_t addr)
{
grub_uint8_t val;
grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_INPUT_STATUS1_REGISTER);
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_ARX);
val = grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_ARX_READ);
grub_outb (val, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_ARX);
return val;
}
struct grub_video_hw_config
{
unsigned vertical_total;