//
// This file may be distributed under the terms of the GNU LGPLv3 license.
-#include "vgabios.h" // cirrus_init
+#include "clext.h" // clext_init
+#include "vgabios.h" // VBE_VENDOR_STRING
#include "biosvar.h" // GET_GLOBAL
#include "util.h" // dprintf
#include "bregs.h" // struct bregs
****************************************************************/
struct cirrus_mode_s {
- /* + 0 */
u16 mode;
- u16 width;
- u16 height;
- u16 depth;
- /* + 8 */
+ struct vgamode_s info;
+
u16 hidden_dac; /* 0x3c6 */
u16 *seq; /* 0x3c4 */
u16 *graph; /* 0x3ce */
u16 *crtc; /* 0x3d4 */
- /* +16 */
u8 bitsperpixel;
- u8 vesacolortype;
u8 vesaredmask;
u8 vesaredpos;
u8 vesagreenmask;
u8 vesagreenpos;
u8 vesabluemask;
u8 vesabluepos;
- /* +24 */
u8 vesareservedmask;
u8 vesareservedpos;
};
};
static struct cirrus_mode_s cirrus_modes[] VAR16 = {
- {0x5f,640,480,8,0x00,
+ {0x5f,{MM_PACKED,640,480,8},0x00,
cseq_640x480x8,cgraph_svgacolor,ccrtc_640x480x8,8,
- 4,0,0,0,0,0,0,0,0},
- {0x64,640,480,16,0xe1,
+ 0,0,0,0,0,0,0,0},
+ {0x64,{MM_DIRECT,640,480,16},0xe1,
cseq_640x480x16,cgraph_svgacolor,ccrtc_640x480x16,16,
- 6,5,11,6,5,5,0,0,0},
- {0x66,640,480,15,0xf0,
+ 5,11,6,5,5,0,0,0},
+ {0x66,{MM_DIRECT,640,480,15},0xf0,
cseq_640x480x16,cgraph_svgacolor,ccrtc_640x480x16,16,
- 6,5,10,5,5,5,0,1,15},
- {0x71,640,480,24,0xe5,
+ 5,10,5,5,5,0,1,15},
+ {0x71,{MM_DIRECT,640,480,24},0xe5,
cseq_640x480x24,cgraph_svgacolor,ccrtc_640x480x24,24,
- 6,8,16,8,8,8,0,0,0},
+ 8,16,8,8,8,0,0,0},
- {0x5c,800,600,8,0x00,
+ {0x5c,{MM_PACKED,800,600,8},0x00,
cseq_800x600x8,cgraph_svgacolor,ccrtc_800x600x8,8,
- 4,0,0,0,0,0,0,0,0},
- {0x65,800,600,16,0xe1,
+ 0,0,0,0,0,0,0,0},
+ {0x65,{MM_DIRECT,800,600,16},0xe1,
cseq_800x600x16,cgraph_svgacolor,ccrtc_800x600x16,16,
- 6,5,11,6,5,5,0,0,0},
- {0x67,800,600,15,0xf0,
+ 5,11,6,5,5,0,0,0},
+ {0x67,{MM_DIRECT,800,600,15},0xf0,
cseq_800x600x16,cgraph_svgacolor,ccrtc_800x600x16,16,
- 6,5,10,5,5,5,0,1,15},
+ 5,10,5,5,5,0,1,15},
- {0x60,1024,768,8,0x00,
+ {0x60,{MM_PACKED,1024,768,8},0x00,
cseq_1024x768x8,cgraph_svgacolor,ccrtc_1024x768x8,8,
- 4,0,0,0,0,0,0,0,0},
- {0x74,1024,768,16,0xe1,
+ 0,0,0,0,0,0,0,0},
+ {0x74,{MM_DIRECT,1024,768,16},0xe1,
cseq_1024x768x16,cgraph_svgacolor,ccrtc_1024x768x16,16,
- 6,5,11,6,5,5,0,0,0},
- {0x68,1024,768,15,0xf0,
+ 5,11,6,5,5,0,0,0},
+ {0x68,{MM_DIRECT,1024,768,15},0xf0,
cseq_1024x768x16,cgraph_svgacolor,ccrtc_1024x768x16,16,
- 6,5,10,5,5,5,0,1,15},
+ 5,10,5,5,5,0,1,15},
- {0x78,800,600,24,0xe5,
+ {0x78,{MM_DIRECT,800,600,24},0xe5,
cseq_800x600x24,cgraph_svgacolor,ccrtc_800x600x24,24,
- 6,8,16,8,8,8,0,0,0},
- {0x79,1024,768,24,0xe5,
+ 8,16,8,8,8,0,0,0},
+ {0x79,{MM_DIRECT,1024,768,24},0xe5,
cseq_1024x768x24,cgraph_svgacolor,ccrtc_1024x768x24,24,
- 6,8,16,8,8,8,0,0,0},
+ 8,16,8,8,8,0,0,0},
- {0x6d,1280,1024,8,0x00,
+ {0x6d,{MM_PACKED,1280,1024,8},0x00,
cseq_1280x1024x8,cgraph_svgacolor,ccrtc_1280x1024x8,8,
- 4,0,0,0,0,0,0,0,0},
- {0x69,1280,1024,15,0xf0,
+ 0,0,0,0,0,0,0,0},
+ {0x69,{MM_DIRECT,1280,1024,15},0xf0,
cseq_1280x1024x16,cgraph_svgacolor,ccrtc_1280x1024x16,16,
- 6,5,10,5,5,5,0,1,15},
- {0x75,1280,1024,16,0xe1,
+ 5,10,5,5,5,0,1,15},
+ {0x75,{MM_DIRECT,1280,1024,16},0xe1,
cseq_1280x1024x16,cgraph_svgacolor,ccrtc_1280x1024x16,16,
- 6,5,11,6,5,5,0,0,0},
+ 5,11,6,5,5,0,0,0},
- {0x7b,1600,1200,8,0x00,
+ {0x7b,{MM_PACKED,1600,1200,8},0x00,
cseq_1600x1200x8,cgraph_svgacolor,ccrtc_1600x1200x8,8,
- 4,0,0,0,0,0,0,0,0},
-
- {0xfe,0,0,0,0,cseq_vga,cgraph_vga,ccrtc_vga,0,
- 0xff,0,0,0,0,0,0,0,0},
+ 0,0,0,0,0,0,0,0},
};
+static struct cirrus_mode_s mode_switchback VAR16 =
+ {0xfe,{0xff,0,0,0},0,cseq_vga,cgraph_vga,ccrtc_vga,0,
+ 0,0,0,0,0,0,0,0};
+
/****************************************************************
* helper functions
return NULL;
}
+struct vgamode_s *
+clext_find_mode(int mode)
+{
+ struct cirrus_mode_s *table_g = cirrus_get_modeentry(mode);
+ if (table_g)
+ return &table_g->info;
+ return stdvga_find_mode(mode);
+}
+
static void
cirrus_switch_mode_setregs(u16 *data, u16 port)
{
}
}
-static u16
-cirrus_get_crtc(void)
-{
- if (inb(VGAREG_READ_MISC_OUTPUT) & 1)
- return VGAREG_VGA_CRTC_ADDRESS;
- return VGAREG_MDA_CRTC_ADDRESS;
-}
-
static void
cirrus_switch_mode(struct cirrus_mode_s *table)
{
outw(0x1206, VGAREG_SEQU_ADDRESS);
cirrus_switch_mode_setregs(GET_GLOBAL(table->seq), VGAREG_SEQU_ADDRESS);
cirrus_switch_mode_setregs(GET_GLOBAL(table->graph), VGAREG_GRDC_ADDRESS);
- cirrus_switch_mode_setregs(GET_GLOBAL(table->crtc), cirrus_get_crtc());
+ cirrus_switch_mode_setregs(GET_GLOBAL(table->crtc), stdvga_get_crtc());
outb(0x00, VGAREG_PEL_MASK);
inb(VGAREG_PEL_MASK);
outb(GET_GLOBAL(table->hidden_dac), VGAREG_PEL_MASK);
outb(0xff, VGAREG_PEL_MASK);
- u8 vesacolortype = GET_GLOBAL(table->vesacolortype);
+ u8 memmodel = GET_GLOBAL(table->info.memmodel);
u8 v = stdvga_get_single_palette_reg(0x10) & 0xfe;
- if (vesacolortype == 3)
+ if (memmodel == MM_PLANAR)
v |= 0x41;
- else if (vesacolortype)
+ else if (memmodel != MM_TEXT)
v |= 0x01;
stdvga_set_single_palette_reg(0x10, v);
}
}
int
-cirrus_set_video_mode(u8 mode, u8 noclearmem)
+clext_set_mode(int mode, int flags)
{
dprintf(1, "cirrus mode %d\n", mode);
SET_BDA(vbe_mode, 0);
struct cirrus_mode_s *table_g = cirrus_get_modeentry(mode);
if (table_g) {
cirrus_switch_mode(table_g);
- if (!noclearmem)
+ if (!(flags & MF_NOCLEARMEM))
cirrus_clear_vram(0xffff);
SET_BDA(video_mode, mode);
- return 1;
+ return 0;
}
- table_g = cirrus_get_modeentry(0xfe);
- cirrus_switch_mode(table_g);
+ cirrus_switch_mode(&mode_switchback);
dprintf(1, "cirrus mode switch regular\n");
- return 0;
+ return stdvga_set_mode(mode, flags);
}
static int
static void
cirrus_extbios_80h(struct bregs *regs)
{
- u16 crtc_addr = cirrus_get_crtc();
+ u16 crtc_addr = stdvga_get_crtc();
outb(0x27, crtc_addr);
u8 v = inb(crtc_addr + 1);
if (v == 0xa0)
static void
cirrus_extbios_82h(struct bregs *regs)
{
- u16 crtc_addr = cirrus_get_crtc();
+ u16 crtc_addr = stdvga_get_crtc();
outb(0x27, crtc_addr);
regs->al = inb(crtc_addr + 1) & 0x03;
regs->ah = 0xAF;
static void
cirrus_set_line_offset(u16 new_line_offset)
{
- u16 crtc_addr = cirrus_get_crtc();
+ u16 crtc_addr = stdvga_get_crtc();
outb(0x13, crtc_addr);
outb(new_line_offset / 8, crtc_addr + 1);
static u16
cirrus_get_line_offset(void)
{
- u16 crtc_addr = cirrus_get_crtc();
+ u16 crtc_addr = stdvga_get_crtc();
outb(0x13, crtc_addr);
u8 reg13 = inb(crtc_addr + 1);
outb(0x1b, crtc_addr);
static void
cirrus_set_start_addr(u32 addr)
{
- u16 crtc_addr = cirrus_get_crtc();
+ u16 crtc_addr = stdvga_get_crtc();
outb(0x0d, crtc_addr);
outb(addr, crtc_addr + 1);
static u32
cirrus_get_start_addr(void)
{
- u16 crtc_addr = cirrus_get_crtc();
+ u16 crtc_addr = stdvga_get_crtc();
outb(0x0c, crtc_addr);
u8 b2 = inb(crtc_addr + 1);
SET_FARVAR(seg, info->win_func_ptr.segoff, 0x0); // XXX
u16 linesize = cirrus_get_line_offset_entry(table_g);
SET_FARVAR(seg, info->bytes_per_scanline, linesize);
- SET_FARVAR(seg, info->xres, GET_GLOBAL(table_g->width));
- u16 height = GET_GLOBAL(table_g->height);
+ SET_FARVAR(seg, info->xres, GET_GLOBAL(table_g->info.width));
+ u16 height = GET_GLOBAL(table_g->info.height);
SET_FARVAR(seg, info->yres, height);
SET_FARVAR(seg, info->xcharsize, 8);
SET_FARVAR(seg, info->ycharsize, 16);
SET_FARVAR(seg, info->planes, 1);
- SET_FARVAR(seg, info->bits_per_pixel, GET_GLOBAL(table_g->depth));
+ SET_FARVAR(seg, info->bits_per_pixel, GET_GLOBAL(table_g->info.depth));
SET_FARVAR(seg, info->banks, 1);
- SET_FARVAR(seg, info->mem_model, GET_GLOBAL(table_g->vesacolortype));
+ SET_FARVAR(seg, info->mem_model, GET_GLOBAL(table_g->info.memmodel));
SET_FARVAR(seg, info->bank_size, 0);
int pages = (cirrus_get_memsize() * 64 * 1024) / (height * linesize);
* init
****************************************************************/
-void
-cirrus_init(void)
+int
+clext_init(void)
{
+ int ret = stdvga_init();
+ if (ret)
+ return ret;
+
dprintf(1, "cirrus init\n");
if (! cirrus_check())
- return;
+ return -1;
dprintf(1, "cirrus init 2\n");
// memory setup
// reset bitblt
outw(0x0431, VGAREG_GRDC_ADDRESS);
outw(0x0031, VGAREG_GRDC_ADDRESS);
+
+ return 0;
}
projects / seabios.git / blobdiff