#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;
return val;
}
-
static u16 dispi_get_max_xres(void)
{
u16 en;
/* 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);
return -1;
}
- SET_BDA(vbe_flag, 0x1);
+ SET_VGA(VBE_enabled, 1);
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;
- SET_FARVAR(get_global_seg(), pci_lfb_addr, lfb_addr);
+ SET_VGA(VBE_framebuffer, lfb_addr);
+ u16 totalmem = dispi_read(VBE_DISPI_INDEX_VIDEO_MEMORY_64K);
+ SET_VGA(VBE_total_memory, totalmem * 64 * 1024);
+ SET_VGA(VBE_capabilities, VBE_CAPABILITY_8BIT_DAC);
- dprintf(1, "VBE DISPI detected. lfb_addr=%x\n", GET_GLOBAL(pci_lfb_addr));
+ dprintf(1, "VBE DISPI detected. lfb_addr=%x\n", lfb_addr);
return 0;
}
-int
-bochsvga_enabled(void)
-{
- return GET_BDA(vbe_flag);
-}
-
-u16
-bochsvga_total_mem(void)
-{
- return dispi_read(VBE_DISPI_INDEX_VIDEO_MEMORY_64K);
-}
-
-static struct mode *find_mode_entry(u16 mode)
-{
- struct mode *m;
-
- for (m = bochsvga_modes; GET_GLOBAL(m->mode); m++) {
- if (GET_GLOBAL(m->mode) == mode)
- return m;
- }
-
- return NULL;
-}
-
-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 max_mem = GET_GLOBAL(VBE_total_memory);
- if (GET_GLOBAL(m->width) > max_xres ||
- GET_GLOBAL(m->depth) > max_bpp ||
- mem > max_mem)
- return 0;
+ u16 width = GET_GLOBAL(vmode_g->width);
+ u16 height = GET_GLOBAL(vmode_g->height);
+ u8 depth = GET_GLOBAL(vmode_g->depth);
+ u32 mem = width * height * DIV_ROUND_UP(depth, 8);
- return 1;
+ return width <= max_xres && depth <= max_bpp && mem <= max_mem;
}
-int
-bochsvga_list_modes(u16 seg, u16 ptr)
+struct vgamode_s *bochsvga_find_mode(int mode)
{
- int count = 0;
- u16 *dest = (u16 *)(u32)ptr;
- struct mode *m;
+ struct bochsvga_mode *m = bochsvga_modes;
+ for (; m < &bochsvga_modes[ARRAY_SIZE(bochsvga_modes)]; m++)
+ if (GET_GLOBAL(m->mode) == mode) {
+ if (! mode_valid(&m->info))
+ return NULL;
+ return &m->info;
+ }
+ return stdvga_find_mode(mode);
+}
- for (m = bochsvga_modes; GET_GLOBAL(m->mode); m++) {
- if (!mode_valid(m))
+void
+bochsvga_list_modes(u16 seg, u16 *dest, u16 *last)
+{
+ 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;
-}
-
-int
-bochsvga_mode_info(u16 mode, struct vbe_modeinfo *info)
-{
- struct mode *m;
-
- m = find_mode_entry(mode);
- if (!m || !mode_valid(m))
- return -1;
-
- info->width = GET_GLOBAL(m->width);
- info->height = GET_GLOBAL(m->height);
- info->depth = GET_GLOBAL(m->depth);
-
- info->linesize = info->width * ((info->depth + 7) / 8);
- info->phys_base = GET_GLOBAL(pci_lfb_addr);
- info->vram_size = bochsvga_total_mem() * 64 * 1024;
-
- return 0;
+ stdvga_list_modes(seg, dest, last);
}
-void
+static void
bochsvga_hires_enable(int enable)
{
u16 flags = enable ?
dispi_write(VBE_DISPI_INDEX_ENABLE, flags);
}
-void
-bochsvga_set_mode(u16 mode, struct vbe_modeinfo *info)
+static void
+bochsvga_clear_scr(void)
+{
+ u16 en;
+
+ en = dispi_read(VBE_DISPI_INDEX_ENABLE);
+ en &= ~VBE_DISPI_NOCLEARMEM;
+ dispi_write(VBE_DISPI_INDEX_ENABLE, en);
+}
+
+int
+bochsvga_set_mode(int mode, int flags)
{
- if (info->depth == 4)
- vga_set_mode(0x6a, 0);
- if (info->depth == 8)
+ if (!(mode & VBE_MODE_VESA_DEFINED)) {
+ dprintf(1, "set VGA mode %x\n", mode);
+
+ SET_BDA(vbe_mode, 0);
+ bochsvga_hires_enable(0);
+ return stdvga_set_mode(mode, flags);
+ }
+
+ struct vgamode_s *vmode_g = bochsvga_find_mode(mode);
+ if (!vmode_g) {
+ dprintf(1, "VBE mode %x not found\n", mode);
+ return VBE_RETURN_STATUS_FAILED;
+ }
+ bochsvga_hires_enable(1);
+
+ u8 depth = GET_GLOBAL(vmode_g->depth);
+ if (depth == 4)
+ stdvga_set_mode(0x6a, 0);
+ if (depth == 8)
// XXX load_dac_palette(3);
;
- dispi_write(VBE_DISPI_INDEX_BPP, info->depth);
- dispi_write(VBE_DISPI_INDEX_XRES, info->width);
- dispi_write(VBE_DISPI_INDEX_YRES, info->height);
+ dispi_write(VBE_DISPI_INDEX_BPP, depth);
+ u16 width = GET_GLOBAL(vmode_g->width);
+ u16 height = GET_GLOBAL(vmode_g->height);
+ dispi_write(VBE_DISPI_INDEX_XRES, width);
+ dispi_write(VBE_DISPI_INDEX_YRES, height);
dispi_write(VBE_DISPI_INDEX_BANK, 0);
/* VGA compat setup */
//XXX: This probably needs some reverse engineering
u8 v;
outw(0x0011, VGAREG_VGA_CRTC_ADDRESS);
- outw(((info->width * 4 - 1) << 8) | 0x1, VGAREG_VGA_CRTC_ADDRESS);
- dispi_write(VBE_DISPI_INDEX_VIRT_WIDTH, info->width);
- outw(((info->height - 1) << 8) | 0x12, VGAREG_VGA_CRTC_ADDRESS);
- outw(((info->height - 1) & 0xff00) | 0x7, VGAREG_VGA_CRTC_ADDRESS);
+ outw(((width * 4 - 1) << 8) | 0x1, VGAREG_VGA_CRTC_ADDRESS);
+ dispi_write(VBE_DISPI_INDEX_VIRT_WIDTH, width);
+ outw(((height - 1) << 8) | 0x12, VGAREG_VGA_CRTC_ADDRESS);
+ outw(((height - 1) & 0xff00) | 0x7, VGAREG_VGA_CRTC_ADDRESS);
v = inb(VGAREG_VGA_CRTC_DATA) & 0xbd;
if (v & 0x1)
v |= 0x2;
outb(0x20, VGAREG_ACTL_ADDRESS);
outw(0x0506, VGAREG_GRDC_ADDRESS);
outw(0x0f02, VGAREG_SEQU_ADDRESS);
- if (info->depth >= 8) {
+ if (depth >= 8) {
outb(0x14, VGAREG_VGA_CRTC_ADDRESS);
outb(inb(VGAREG_VGA_CRTC_DATA) | 0x40, VGAREG_VGA_CRTC_DATA);
v = inb(VGAREG_ACTL_RESET);
outb(v | 0x40, VGAREG_GRDC_DATA);
}
- SET_BDA(vbe_mode, mode);
-}
-
-void
-bochsvga_clear_scr(void)
-{
- u16 en;
-
- en = dispi_read(VBE_DISPI_INDEX_ENABLE);
- en &= ~VBE_DISPI_NOCLEARMEM;
- dispi_write(VBE_DISPI_INDEX_ENABLE, en);
-}
+ SET_BDA(vbe_mode, mode | flags);
-int
-bochsvga_hires_enabled(void)
-{
- return dispi_read(VBE_DISPI_INDEX_ENABLE) & VBE_DISPI_ENABLED;
-}
+ if (flags & MF_LINEARFB) {
+ /* Linear frame buffer */
+ /* XXX: ??? */
+ }
+ if (!(mode & MF_NOCLEARMEM)) {
+ bochsvga_clear_scr();
+ }
-u16
-bochsvga_curr_mode(void)
-{
- return GET_BDA(vbe_mode);
+ return 0;
}
projects / seabios.git / blobdiff