#include "vgabios.h" // struct vbe_modeinfo
-#include "vbe.h"
-#include "bochsvga.h"
-#include "util.h"
+#include "vbe.h" // VBE_MODE_VESA_DEFINED
+#include "bochsvga.h" // bochsvga_set_mode
+#include "util.h" // dprintf
#include "config.h" // CONFIG_*
#include "biosvar.h" // SET_BDA
#include "stdvga.h" // VGAREG_SEQU_ADDRESS
-static struct mode
+static struct bochsvga_mode
{
u16 mode;
- u16 width;
- u16 height;
- u8 depth;
+ struct vgamode_s info;
} bochsvga_modes[] VAR16 = {
/* standard modes */
- { 0x100, 640, 400, 8 },
- { 0x101, 640, 480, 8 },
- { 0x102, 800, 600, 4 },
- { 0x103, 800, 600, 8 },
- { 0x104, 1024, 768, 4 },
- { 0x105, 1024, 768, 8 },
- { 0x106, 1280, 1024, 4 },
- { 0x107, 1280, 1024, 8 },
- { 0x10D, 320, 200, 15 },
- { 0x10E, 320, 200, 16 },
- { 0x10F, 320, 200, 24 },
- { 0x110, 640, 480, 15 },
- { 0x111, 640, 480, 16 },
- { 0x112, 640, 480, 24 },
- { 0x113, 800, 600, 15 },
- { 0x114, 800, 600, 16 },
- { 0x115, 800, 600, 24 },
- { 0x116, 1024, 768, 15 },
- { 0x117, 1024, 768, 16 },
- { 0x118, 1024, 768, 24 },
- { 0x119, 1280, 1024, 15 },
- { 0x11A, 1280, 1024, 16 },
- { 0x11B, 1280, 1024, 24 },
- { 0x11C, 1600, 1200, 8 },
- { 0x11D, 1600, 1200, 15 },
- { 0x11E, 1600, 1200, 16 },
- { 0x11F, 1600, 1200, 24 },
+ { 0x100, { MM_PACKED, 640, 400, 8 } },
+ { 0x101, { MM_PACKED, 640, 480, 8 } },
+ { 0x102, { MM_PLANAR, 800, 600, 4 } },
+ { 0x103, { MM_PACKED, 800, 600, 8 } },
+ { 0x104, { MM_PLANAR, 1024, 768, 4 } },
+ { 0x105, { MM_PACKED, 1024, 768, 8 } },
+ { 0x106, { MM_PLANAR, 1280, 1024, 4 } },
+ { 0x107, { MM_PACKED, 1280, 1024, 8 } },
+ { 0x10D, { MM_DIRECT, 320, 200, 15 } },
+ { 0x10E, { MM_DIRECT, 320, 200, 16 } },
+ { 0x10F, { MM_DIRECT, 320, 200, 24 } },
+ { 0x110, { MM_DIRECT, 640, 480, 15 } },
+ { 0x111, { MM_DIRECT, 640, 480, 16 } },
+ { 0x112, { MM_DIRECT, 640, 480, 24 } },
+ { 0x113, { MM_DIRECT, 800, 600, 15 } },
+ { 0x114, { MM_DIRECT, 800, 600, 16 } },
+ { 0x115, { MM_DIRECT, 800, 600, 24 } },
+ { 0x116, { MM_DIRECT, 1024, 768, 15 } },
+ { 0x117, { MM_DIRECT, 1024, 768, 16 } },
+ { 0x118, { MM_DIRECT, 1024, 768, 24 } },
+ { 0x119, { MM_DIRECT, 1280, 1024, 15 } },
+ { 0x11A, { MM_DIRECT, 1280, 1024, 16 } },
+ { 0x11B, { MM_DIRECT, 1280, 1024, 24 } },
+ { 0x11C, { MM_PACKED, 1600, 1200, 8 } },
+ { 0x11D, { MM_DIRECT, 1600, 1200, 15 } },
+ { 0x11E, { MM_DIRECT, 1600, 1200, 16 } },
+ { 0x11F, { MM_DIRECT, 1600, 1200, 24 } },
/* BOCHS modes */
- { 0x140, 320, 200, 32 },
- { 0x141, 640, 400, 32 },
- { 0x142, 640, 480, 32 },
- { 0x143, 800, 600, 32 },
- { 0x144, 1024, 768, 32 },
- { 0x145, 1280, 1024, 32 },
- { 0x146, 320, 200, 8 },
- { 0x147, 1600, 1200, 32 },
- { 0x148, 1152, 864, 8 },
- { 0x149, 1152, 864, 15 },
- { 0x14a, 1152, 864, 16 },
- { 0x14b, 1152, 864, 24 },
- { 0x14c, 1152, 864, 32 },
- { 0x178, 1280, 800, 16 },
- { 0x179, 1280, 800, 24 },
- { 0x17a, 1280, 800, 32 },
- { 0x17b, 1280, 960, 16 },
- { 0x17c, 1280, 960, 24 },
- { 0x17d, 1280, 960, 32 },
- { 0x17e, 1440, 900, 16 },
- { 0x17f, 1440, 900, 24 },
- { 0x180, 1440, 900, 32 },
- { 0x181, 1400, 1050, 16 },
- { 0x182, 1400, 1050, 24 },
- { 0x183, 1400, 1050, 32 },
- { 0x184, 1680, 1050, 16 },
- { 0x185, 1680, 1050, 24 },
- { 0x186, 1680, 1050, 32 },
- { 0x187, 1920, 1200, 16 },
- { 0x188, 1920, 1200, 24 },
- { 0x189, 1920, 1200, 32 },
- { 0x18a, 2560, 1600, 16 },
- { 0x18b, 2560, 1600, 24 },
- { 0x18c, 2560, 1600, 32 },
- { 0, },
+ { 0x140, { MM_DIRECT, 320, 200, 32 } },
+ { 0x141, { MM_DIRECT, 640, 400, 32 } },
+ { 0x142, { MM_DIRECT, 640, 480, 32 } },
+ { 0x143, { MM_DIRECT, 800, 600, 32 } },
+ { 0x144, { MM_DIRECT, 1024, 768, 32 } },
+ { 0x145, { MM_DIRECT, 1280, 1024, 32 } },
+ { 0x146, { MM_PACKED, 320, 200, 8 } },
+ { 0x147, { MM_DIRECT, 1600, 1200, 32 } },
+ { 0x148, { MM_PACKED, 1152, 864, 8 } },
+ { 0x149, { MM_DIRECT, 1152, 864, 15 } },
+ { 0x14a, { MM_DIRECT, 1152, 864, 16 } },
+ { 0x14b, { MM_DIRECT, 1152, 864, 24 } },
+ { 0x14c, { MM_DIRECT, 1152, 864, 32 } },
+ { 0x178, { MM_DIRECT, 1280, 800, 16 } },
+ { 0x179, { MM_DIRECT, 1280, 800, 24 } },
+ { 0x17a, { MM_DIRECT, 1280, 800, 32 } },
+ { 0x17b, { MM_DIRECT, 1280, 960, 16 } },
+ { 0x17c, { MM_DIRECT, 1280, 960, 24 } },
+ { 0x17d, { MM_DIRECT, 1280, 960, 32 } },
+ { 0x17e, { MM_DIRECT, 1440, 900, 16 } },
+ { 0x17f, { MM_DIRECT, 1440, 900, 24 } },
+ { 0x180, { MM_DIRECT, 1440, 900, 32 } },
+ { 0x181, { MM_DIRECT, 1400, 1050, 16 } },
+ { 0x182, { MM_DIRECT, 1400, 1050, 24 } },
+ { 0x183, { MM_DIRECT, 1400, 1050, 32 } },
+ { 0x184, { MM_DIRECT, 1680, 1050, 16 } },
+ { 0x185, { MM_DIRECT, 1680, 1050, 24 } },
+ { 0x186, { MM_DIRECT, 1680, 1050, 32 } },
+ { 0x187, { MM_DIRECT, 1920, 1200, 16 } },
+ { 0x188, { MM_DIRECT, 1920, 1200, 24 } },
+ { 0x189, { MM_DIRECT, 1920, 1200, 32 } },
+ { 0x18a, { MM_DIRECT, 2560, 1600, 16 } },
+ { 0x18b, { MM_DIRECT, 2560, 1600, 24 } },
+ { 0x18c, { MM_DIRECT, 2560, 1600, 32 } },
};
#define BYTES_PER_PIXEL(m) ((GET_GLOBAL((m)->depth) + 7) / 8)
u32 pci_lfb_addr VAR16;
-static inline u32 pci_config_readl(u8 bus, u8 devfn, u16 addr)
+static inline u32 pci_config_readl(u16 bdf, u16 addr)
{
int status;
u32 val;
- u16 bdf = (bus << 16) | devfn;
addr &= ~3;
/* Called only during POST */
int
-bochsvga_init(u8 bus, u8 devfn)
+bochsvga_init(void)
{
- u32 lfb_addr;
-
- if (!CONFIG_VGA_BOCHS)
- return -1;
+ int ret = stdvga_init();
+ if (ret)
+ return ret;
/* Sanity checks */
dispi_write(VBE_DISPI_INDEX_ID, VBE_DISPI_ID0);
SET_BDA(vbe_flag, 0x1);
dispi_write(VBE_DISPI_INDEX_ID, VBE_DISPI_ID5);
+ u32 lfb_addr;
if (CONFIG_VGA_PCI)
- lfb_addr = pci_config_readl(bus, devfn, 0x10) & ~0xf;
+ lfb_addr = pci_config_readl(GET_GLOBAL(VgaBDF), 0x10) & ~0xf;
else
lfb_addr = VBE_DISPI_LFB_PHYSICAL_ADDRESS;
return dispi_read(VBE_DISPI_INDEX_VIDEO_MEMORY_64K);
}
-static struct mode *find_mode_entry(u16 mode)
+struct vgamode_s *bochsvga_find_mode(int mode)
{
- struct mode *m;
-
- for (m = bochsvga_modes; GET_GLOBAL(m->mode); m++) {
+ struct bochsvga_mode *m = bochsvga_modes;
+ for (; m < &bochsvga_modes[ARRAY_SIZE(bochsvga_modes)]; m++)
if (GET_GLOBAL(m->mode) == mode)
- return m;
- }
-
- return NULL;
+ return &m->info;
+ return stdvga_find_mode(mode);
}
-static int mode_valid(struct mode *m)
+static int mode_valid(struct vgamode_s *vmode_g)
{
u16 max_xres = dispi_get_max_xres();
u16 max_bpp = dispi_get_max_bpp();
u32 max_mem = bochsvga_total_mem() * 64 * 1024;
- u32 mem = GET_GLOBAL(m->width) * GET_GLOBAL(m->height) *
- BYTES_PER_PIXEL(m);
+ u32 mem = GET_GLOBAL(vmode_g->width) * GET_GLOBAL(vmode_g->height) *
+ BYTES_PER_PIXEL(vmode_g);
- if (GET_GLOBAL(m->width) > max_xres ||
- GET_GLOBAL(m->depth) > max_bpp ||
+ if (GET_GLOBAL(vmode_g->width) > max_xres ||
+ GET_GLOBAL(vmode_g->depth) > max_bpp ||
mem > max_mem)
return 0;
return 1;
}
-int
-bochsvga_list_modes(u16 seg, u16 ptr)
+void
+bochsvga_list_modes(u16 seg, u16 *dest, u16 *last)
{
- int count = 0;
- u16 *dest = (u16 *)(u32)ptr;
- struct mode *m;
-
- for (m = bochsvga_modes; GET_GLOBAL(m->mode); m++) {
- if (!mode_valid(m))
+ struct bochsvga_mode *m = bochsvga_modes;
+ for (; m < &bochsvga_modes[ARRAY_SIZE(bochsvga_modes)] && dest<last; m++) {
+ if (!mode_valid(&m->info))
continue;
dprintf(1, "VBE found mode %x valid.\n", GET_GLOBAL(m->mode));
- SET_FARVAR(seg, dest[count], GET_GLOBAL(m->mode));
-
- count++;
+ SET_FARVAR(seg, *dest, GET_GLOBAL(m->mode));
+ dest++;
}
- SET_FARVAR(seg, dest[count], 0xffff); /* End of list */
-
- return count;
+ stdvga_list_modes(seg, dest, last);
}
int
bochsvga_mode_info(u16 mode, struct vbe_modeinfo *info)
{
- struct mode *m;
-
- m = find_mode_entry(mode);
- if (!m || !mode_valid(m))
+ struct vgamode_s *vmode_g = bochsvga_find_mode(mode);
+ if (!vmode_g || !mode_valid(vmode_g))
return -1;
- info->width = GET_GLOBAL(m->width);
- info->height = GET_GLOBAL(m->height);
- info->depth = GET_GLOBAL(m->depth);
+ info->width = GET_GLOBAL(vmode_g->width);
+ info->height = GET_GLOBAL(vmode_g->height);
+ info->depth = GET_GLOBAL(vmode_g->depth);
info->linesize = info->width * ((info->depth + 7) / 8);
info->phys_base = GET_GLOBAL(pci_lfb_addr);
dispi_write(VBE_DISPI_INDEX_ENABLE, flags);
}
-void
-bochsvga_set_mode(u16 mode, struct vbe_modeinfo *info)
+int
+bochsvga_set_mode(int mode, int flags)
{
+ if (!(mode & VBE_MODE_VESA_DEFINED)) {
+ dprintf(1, "set VGA mode %x\n", mode);
+
+ bochsvga_hires_enable(0);
+ return stdvga_set_mode(mode, flags);
+ }
+
+ struct vbe_modeinfo modeinfo, *info = &modeinfo;
+ int ret = bochsvga_mode_info(mode, &modeinfo);
+ if (ret) {
+ dprintf(1, "VBE mode %x not found\n", mode);
+ return VBE_RETURN_STATUS_FAILED;
+ }
+ bochsvga_hires_enable(1);
+
if (info->depth == 4)
stdvga_set_mode(0x6a, 0);
if (info->depth == 8)
}
SET_BDA(vbe_mode, mode);
+
+ if (flags & MF_LINEARFB) {
+ /* Linear frame buffer */
+ /* XXX: ??? */
+ }
+ if (!(mode & MF_NOCLEARMEM)) {
+ bochsvga_clear_scr();
+ }
+
+ return 0;
}
void
projects / seabios.git / blobdiff