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Remove the dump of sm712 initialisation sequence.

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* include/grub/pci.h (GRUB_PCI_CLASS_SUBCLASS_VGA): New const.
	* include/grub/vga.h (GRUB_VGA_IO_ARX_READ): New register.
	(GRUB_VGA_IO_MISC_WRITE): Likewise.
	(GRUB_VGA_CR_*): Added many registers.
	(GRUB_VGA_SR_*): Likewise.
	(GRUB_VGA_GR_*): Likewise.
	(grub_vga_write_arx): New function.
	(grub_video_hw_config): New struct.
	(grub_vga_set_geometry): New function.
	* kern/i386/qemu/init.c (load_palette): Use grub_vga_write_arx and
	GRUB_PCI_CLASS_SUBCLASS_VGA.
	* video/cirrus.c (grub_video_cirrus_setup): Use grub_vga_set_geometry.
	* video/sm712.c (grub_sm712_write_reg): New function
	(grub_sm712_read_reg): Likewise.
	(grub_sm712_sr_write): Likewise.
	(grub_sm712_gr_write): Likewise.
	(grub_sm712_cr_write): Likewise.
	(grub_sm712_write_arx): Likewise.
	(grub_sm712_cr_shadow_write): Likewise.
	(grub_sm712_write_dda_lookup): Likewise.
	(grub_video_sm712_setup): Initialise the video rather then
	blindly replay the dump.
	(main) [TEST]: Add a routine to be able to compile as standalone for
	tests.
	* video/sm712_init.c (sm712_init): Removed.
	(sm712_sr_seq1): New array.
	(sm712_sr_seq2): Likewise.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-08-11 04:18:07 +02:00
parent f0206638bf
commit f947ab49b0
7 changed files with 772 additions and 604 deletions
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15
kern/i386/qemu/init.c
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@ -69,10 +69,7 @@ load_palette (void)
{
unsigned i;
for (i = 0; i < 16; i++)
{
grub_outb (i, GRUB_VGA_IO_ARX);
grub_outb (i, GRUB_VGA_IO_ARX);
}
grub_vga_write_arx (i, i);
for (i = 0; i < ARRAY_SIZE (colors); i++)
grub_vga_palette_write (i, colors[i].r, colors[i].g, colors[i].b);
@ -90,7 +87,7 @@ grub_qemu_init_cirrus (void)
addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
class = grub_pci_read (addr);
if (((class >> 16) & 0xffff) != 0x0300)
if (((class >> 16) & 0xffff) != GRUB_PCI_CLASS_SUBCLASS_VGA)
return 0;
/* FIXME: chooose addresses dynamically. */
@ -110,7 +107,7 @@ grub_qemu_init_cirrus (void)
grub_pci_iterate (find_card);
grub_outb (1, 0x3c2);
grub_outb (GRUB_VGA_IO_MISC_COLOR, GRUB_VGA_IO_MISC_WRITE);
load_font ();
@ -137,10 +134,8 @@ grub_qemu_init_cirrus (void)
load_palette ();
grub_outb (0x10, 0x3c0);
grub_outb (0, 0x3c1);
grub_outb (0x14, 0x3c0);
grub_outb (0, 0x3c1);
grub_vga_write_arx (GRUB_VGA_ARX_MODE_TEXT, GRUB_VGA_ARX_MODE);
grub_vga_write_arx (0, GRUB_VGA_ARX_COLOR_SELECT);
grub_vga_sr_write (GRUB_VGA_SR_CLOCKING_MODE_8_DOT_CLOCK,
GRUB_VGA_SR_CLOCKING_MODE);