#include "vgabios.h" // find_vga_entry
#include "optionroms.h" // struct pci_data
#include "config.h" // CONFIG_*
-#include "geodelx.h" // geodelx_init
+#include "stdvga.h" // stdvga_set_mode
+#include "geodevga.h" // geodevga_init
#include "bochsvga.h" // bochsvga_init
+#include "clext.h" // clext_init
+#include "vgahw.h" // vgahw_set_mode
// XXX
#define DEBUG_VGA_POST 1
* Helper functions
****************************************************************/
-static inline void
-call16_vgaint(u32 eax, u32 ebx)
-{
- asm volatile(
- "int $0x10\n"
- "cli\n"
- "cld"
- :
- : "a"(eax), "b"(ebx)
- : "cc", "memory");
-}
-
-static void
-perform_gray_scale_summing(u16 start, u16 count)
-{
- vgahw_screen_disable();
- int i;
- for (i = start; i < start+count; i++) {
- u8 rgb[3];
- vgahw_get_dac_regs(GET_SEG(SS), rgb, i, 1);
-
- // intensity = ( 0.3 * Red ) + ( 0.59 * Green ) + ( 0.11 * Blue )
- u16 intensity = ((77 * rgb[0] + 151 * rgb[1] + 28 * rgb[2]) + 0x80) >> 8;
- if (intensity > 0x3f)
- intensity = 0x3f;
-
- vgahw_set_dac_regs(GET_SEG(SS), rgb, i, 1);
- }
- vgahw_screen_enable();
-}
-
static void
set_cursor_shape(u8 start, u8 end)
{
start = ((end + 1) * cheight / 8) - 2;
end = ((end + 1) * cheight / 8) - 1;
}
- vgahw_set_cursor_shape(start, end);
+ stdvga_set_cursor_shape(start, end);
}
static u16
u16 address = (SCREEN_IO_START(nbcols, nbrows, cp.page)
+ cp.x + cp.y * nbcols);
- vgahw_set_cursor_pos(address);
+ stdvga_set_cursor_pos(address);
}
static struct cursorpos
address = page * GET_GLOBAL(vmode_g->slength);
}
- vgahw_set_active_page(address);
+ stdvga_set_active_page(address);
// And change the BIOS page
SET_BDA(video_page, page);
static void
set_scan_lines(u8 lines)
{
- vgahw_set_scan_lines(lines);
+ stdvga_set_scan_lines(lines);
if (lines == 8)
set_cursor_shape(0x06, 0x07);
else
set_cursor_shape(lines - 4, lines - 3);
SET_BDA(char_height, lines);
- u16 vde = vgahw_get_vde();
+ u16 vde = stdvga_get_vde();
u8 rows = vde / lines;
SET_BDA(video_rows, rows - 1);
u16 cols = GET_BDA(video_cols);
SET_IVT(0x43, GET_FARVAR(seg, info->font1));
}
-
-/****************************************************************
- * VGA int 10 handler
- ****************************************************************/
-
-// set video mode
+// Setup BDA after a mode switch.
void
-vga_set_mode(u8 mode, u8 noclearmem)
+modeswitch_set_bda(int mode, int flags, struct vgamode_s *vmode_g)
{
- // find the entry in the video modes
- struct vgamode_s *vmode_g = find_vga_entry(mode);
- dprintf(1, "mode search %02x found %p\n", mode, vmode_g);
- if (!vmode_g)
- return;
-
- // Read the bios mode set control
- u8 modeset_ctl = GET_BDA(modeset_ctl);
-
- // Then we know the number of lines
-// FIXME
-
- // if palette loading (bit 3 of modeset ctl = 0)
- if ((modeset_ctl & 0x08) == 0) { // Set the PEL mask
- vgahw_set_pel_mask(GET_GLOBAL(vmode_g->pelmask));
-
- // From which palette
- u8 *palette_g = GET_GLOBAL(vmode_g->dac);
- u16 palsize = GET_GLOBAL(vmode_g->dacsize) / 3;
-
- // Always 256*3 values
- vgahw_set_dac_regs(get_global_seg(), palette_g, 0, palsize);
- u16 i;
- for (i = palsize; i < 0x0100; i++) {
- static u8 rgb[3] VAR16;
- vgahw_set_dac_regs(get_global_seg(), rgb, i, 1);
- }
-
- if ((modeset_ctl & 0x02) == 0x02)
- perform_gray_scale_summing(0x00, 0x100);
- }
-
- vgahw_set_mode(vmode_g);
-
- if (noclearmem == 0x00)
- clear_screen(vmode_g);
-
- // Set CRTC address VGA or MDA
- u16 crtc_addr = VGAREG_VGA_CRTC_ADDRESS;
- if (GET_GLOBAL(vmode_g->memmodel) == MTEXT)
- crtc_addr = VGAREG_MDA_CRTC_ADDRESS;
-
// Set the BIOS mem
u16 cheight = GET_GLOBAL(vmode_g->cheight);
SET_BDA(video_mode, mode);
SET_BDA(video_cols, GET_GLOBAL(vmode_g->twidth));
SET_BDA(video_pagesize, GET_GLOBAL(vmode_g->slength));
- SET_BDA(crtc_address, crtc_addr);
+ SET_BDA(crtc_address, stdvga_get_crtc());
SET_BDA(video_rows, GET_GLOBAL(vmode_g->theight)-1);
SET_BDA(char_height, cheight);
- SET_BDA(video_ctl, (0x60 | noclearmem));
+ SET_BDA(video_ctl, 0x60 | (flags & MF_NOCLEARMEM ? 0x80 : 0x00));
SET_BDA(video_switches, 0xF9);
SET_BDA(modeset_ctl, GET_BDA(modeset_ctl) & 0x7f);
+ SET_BDA(cursor_type, GET_GLOBAL(vmode_g->memmodel) & TEXT ? 0x0607 : 0x0000);
+ int i;
+ for (i=0; i<8; i++)
+ SET_BDA(cursor_pos[i], 0x0000);
+ SET_BDA(video_pagestart, 0x0000);
+ SET_BDA(video_page, 0x00);
// FIXME We nearly have the good tables. to be reworked
SET_BDA(dcc_index, 0x08); // 8 is VGA should be ok for now
SET_BDA(video_msr, 0x00); // Unavailable on vanilla vga, but...
SET_BDA(video_pal, 0x00); // Unavailable on vanilla vga, but...
- // Set cursor shape
- if (GET_GLOBAL(vmode_g->memmodel) & TEXT)
- set_cursor_shape(0x06, 0x07);
- // Set cursor pos for page 0..7
- int i;
- for (i = 0; i < 8; i++) {
- struct cursorpos cp = {0, 0, i};
- set_cursor_pos(cp);
- }
-
- // Set active page 0
- set_active_page(0x00);
-
- // Write the fonts in memory
- if (GET_GLOBAL(vmode_g->memmodel) & TEXT) {
- call16_vgaint(0x1104, 0);
- call16_vgaint(0x1103, 0);
- }
// Set the ints 0x1F and 0x43
SET_IVT(0x1f, SEGOFF(get_global_seg(), (u32)&vgafont8[128 * 8]));
}
}
+
+/****************************************************************
+ * VGA int 10 handler
+ ****************************************************************/
+
static void
handle_1000(struct bregs *regs)
{
- u8 noclearmem = regs->al & 0x80;
- u8 mode = regs->al & 0x7f;
+ int mode = regs->al & 0x7f;
// Set regs->al
if (mode > 7)
else
regs->al = 0x30;
- if (CONFIG_VGA_CIRRUS) {
- int ret = cirrus_set_video_mode(mode, noclearmem);
- if (ret)
- return;
- }
-
- if (bochsvga_enabled())
- bochsvga_hires_enable(0);
+ int flags = GET_BDA(modeset_ctl) & (MF_NOPALETTE|MF_GRAYSUM);
+ if (regs->al & 0x80)
+ flags |= MF_NOCLEARMEM;
- vga_set_mode(mode, noclearmem);
+ vgahw_set_mode(mode, flags);
}
static void
static void
handle_100b00(struct bregs *regs)
{
- vgahw_set_border_color(regs->bl);
+ stdvga_set_border_color(regs->bl);
}
static void
handle_100b01(struct bregs *regs)
{
- vgahw_set_palette(regs->bl);
+ stdvga_set_palette(regs->bl);
}
static void
{
if (regs->bl > 0x14)
return;
- vgahw_set_single_palette_reg(regs->bl, regs->bh);
+ stdvga_set_single_palette_reg(regs->bl, regs->bh);
}
static void
handle_101001(struct bregs *regs)
{
- vgahw_set_overscan_border_color(regs->bh);
+ stdvga_set_overscan_border_color(regs->bh);
}
static void
handle_101002(struct bregs *regs)
{
- vgahw_set_all_palette_reg(regs->es, (u8*)(regs->dx + 0));
+ stdvga_set_all_palette_reg(regs->es, (u8*)(regs->dx + 0));
}
static void
handle_101003(struct bregs *regs)
{
- vgahw_toggle_intensity(regs->bl);
+ stdvga_toggle_intensity(regs->bl);
}
static void
{
if (regs->bl > 0x14)
return;
- regs->bh = vgahw_get_single_palette_reg(regs->bl);
+ regs->bh = stdvga_get_single_palette_reg(regs->bl);
}
static void
handle_101008(struct bregs *regs)
{
- regs->bh = vgahw_get_overscan_border_color();
+ regs->bh = stdvga_get_overscan_border_color();
}
static void
handle_101009(struct bregs *regs)
{
- vgahw_get_all_palette_reg(regs->es, (u8*)(regs->dx + 0));
+ stdvga_get_all_palette_reg(regs->es, (u8*)(regs->dx + 0));
}
static void noinline
handle_101010(struct bregs *regs)
{
u8 rgb[3] = {regs->dh, regs->ch, regs->cl};
- vgahw_set_dac_regs(GET_SEG(SS), rgb, regs->bx, 1);
+ stdvga_set_dac_regs(GET_SEG(SS), rgb, regs->bx, 1);
}
static void
handle_101012(struct bregs *regs)
{
- vgahw_set_dac_regs(regs->es, (u8*)(regs->dx + 0), regs->bx, regs->cx);
+ stdvga_set_dac_regs(regs->es, (u8*)(regs->dx + 0), regs->bx, regs->cx);
}
static void
handle_101013(struct bregs *regs)
{
- vgahw_select_video_dac_color_page(regs->bl, regs->bh);
+ stdvga_select_video_dac_color_page(regs->bl, regs->bh);
}
static void noinline
handle_101015(struct bregs *regs)
{
u8 rgb[3];
- vgahw_get_dac_regs(GET_SEG(SS), rgb, regs->bx, 1);
+ stdvga_get_dac_regs(GET_SEG(SS), rgb, regs->bx, 1);
regs->dh = rgb[0];
regs->ch = rgb[1];
regs->cl = rgb[2];
static void
handle_101017(struct bregs *regs)
{
- vgahw_get_dac_regs(regs->es, (u8*)(regs->dx + 0), regs->bx, regs->cx);
+ stdvga_get_dac_regs(regs->es, (u8*)(regs->dx + 0), regs->bx, regs->cx);
}
static void
handle_101018(struct bregs *regs)
{
- vgahw_set_pel_mask(regs->bl);
+ stdvga_set_pel_mask(regs->bl);
}
static void
handle_101019(struct bregs *regs)
{
- regs->bl = vgahw_get_pel_mask();
+ regs->bl = stdvga_get_pel_mask();
}
static void
handle_10101a(struct bregs *regs)
{
- vgahw_read_video_dac_state(®s->bl, ®s->bh);
+ stdvga_read_video_dac_state(®s->bl, ®s->bh);
}
static void
handle_10101b(struct bregs *regs)
{
- perform_gray_scale_summing(regs->bx, regs->cx);
+ stdvga_perform_gray_scale_summing(regs->bx, regs->cx);
}
static void
static void
handle_101100(struct bregs *regs)
{
- vgafb_load_font(regs->es, (void*)(regs->bp+0), regs->cx
- , regs->dx, regs->bl, regs->bh);
+ stdvga_load_font(regs->es, (void*)(regs->bp+0), regs->cx
+ , regs->dx, regs->bl, regs->bh);
}
static void
handle_101101(struct bregs *regs)
{
- vgafb_load_font(get_global_seg(), vgafont14, 0x100, 0, regs->bl, 14);
+ stdvga_load_font(get_global_seg(), vgafont14, 0x100, 0, regs->bl, 14);
}
static void
handle_101102(struct bregs *regs)
{
- vgafb_load_font(get_global_seg(), vgafont8, 0x100, 0, regs->bl, 8);
+ stdvga_load_font(get_global_seg(), vgafont8, 0x100, 0, regs->bl, 8);
}
static void
handle_101103(struct bregs *regs)
{
- vgahw_set_text_block_specifier(regs->bl);
+ stdvga_set_text_block_specifier(regs->bl);
}
static void
handle_101104(struct bregs *regs)
{
- vgafb_load_font(get_global_seg(), vgafont16, 0x100, 0, regs->bl, 16);
+ stdvga_load_font(get_global_seg(), vgafont16, 0x100, 0, regs->bl, 16);
}
static void
handle_101110(struct bregs *regs)
{
- vgafb_load_font(regs->es, (void*)(regs->bp+0), regs->cx
- , regs->dx, regs->bl, regs->bh);
+ stdvga_load_font(regs->es, (void*)(regs->bp+0), regs->cx
+ , regs->dx, regs->bl, regs->bh);
set_scan_lines(regs->bh);
}
static void
handle_101111(struct bregs *regs)
{
- vgafb_load_font(get_global_seg(), vgafont14, 0x100, 0, regs->bl, 14);
+ stdvga_load_font(get_global_seg(), vgafont14, 0x100, 0, regs->bl, 14);
set_scan_lines(14);
}
static void
handle_101112(struct bregs *regs)
{
- vgafb_load_font(get_global_seg(), vgafont8, 0x100, 0, regs->bl, 8);
+ stdvga_load_font(get_global_seg(), vgafont8, 0x100, 0, regs->bl, 8);
set_scan_lines(8);
}
static void
handle_101114(struct bregs *regs)
{
- vgafb_load_font(get_global_seg(), vgafont16, 0x100, 0, regs->bl, 16);
+ stdvga_load_font(get_global_seg(), vgafont16, 0x100, 0, regs->bl, 16);
set_scan_lines(16);
}
static void
handle_101232(struct bregs *regs)
{
- vgahw_enable_video_addressing(regs->al);
+ stdvga_enable_video_addressing(regs->al);
regs->al = 0x12;
}
u16 seg = regs->es;
void *data = (void*)(regs->bx+0);
if (flags & 1) {
- vgahw_save_state(seg, data);
+ stdvga_save_state(seg, data);
data += sizeof(struct saveVideoHardware);
}
if (flags & 2) {
data += sizeof(struct saveBDAstate);
}
if (flags & 4)
- vgahw_save_dac_state(seg, data);
+ stdvga_save_dac_state(seg, data);
regs->al = 0x1c;
}
u16 seg = regs->es;
void *data = (void*)(regs->bx+0);
if (flags & 1) {
- vgahw_restore_state(seg, data);
+ stdvga_restore_state(seg, data);
data += sizeof(struct saveVideoHardware);
}
if (flags & 2) {
data += sizeof(struct saveBDAstate);
}
if (flags & 4)
- vgahw_restore_dac_state(seg, data);
+ stdvga_restore_dac_state(seg, data);
regs->al = 0x1c;
}
SET_BDA(video_msr, 0x09);
}
+u16 VgaBDF VAR16;
+
void VISIBLE16
vga_post(struct bregs *regs)
{
debug_enter(regs, DEBUG_VGA_POST);
- vgahw_init();
+ SET_VGA(VgaBDF, regs->ax);
- if (CONFIG_VGA_GEODELX)
- geodelx_init();
+ int ret = vgahw_init();
+ if (ret) {
+ dprintf(1, "Failed to initialize VGA hardware. Exiting.\n");
+ return;
+ }
init_bios_area();
- bochsvga_init(regs->ah, regs->al);
+ build_video_param();
extern void entry_10(void);
SET_IVT(0x10, SEGOFF(get_global_seg(), (u32)entry_10));
- if (CONFIG_VGA_CIRRUS)
- cirrus_init();
-
// XXX - clear screen and display info
- build_video_param();
-
// Fixup checksum
extern u8 _rom_header_size, _rom_header_checksum;
SET_VGA(_rom_header_checksum, 0);
projects / seabios.git / blobdiff