+// Bochs VGA interface to extended "VBE" modes
+//
+// Copyright (C) 2012 Kevin O'Connor <kevin@koconnor.net>
+// Copyright (C) 2011 Julian Pidancet <julian.pidancet@citrix.com>
+// Copyright (C) 2002 Jeroen Janssen
+//
+// This file may be distributed under the terms of the GNU LGPLv3 license.
+
#include "vgabios.h" // struct vbe_modeinfo
-#include "vbe.h" // VBE_MODE_VESA_DEFINED
+#include "vbe.h" // VBE_CAPABILITY_8BIT_DAC
#include "bochsvga.h" // bochsvga_set_mode
#include "util.h" // dprintf
#include "config.h" // CONFIG_*
-#include "biosvar.h" // SET_BDA
+#include "biosvar.h" // GET_GLOBAL
#include "stdvga.h" // VGAREG_SEQU_ADDRESS
#include "pci.h" // pci_config_readl
#include "pci_regs.h" // PCI_BASE_ADDRESS_0
struct vgamode_s info;
} bochsvga_modes[] VAR16 = {
/* standard modes */
- { 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 } },
+ { 0x100, { MM_PACKED, 640, 400, 8, 8, 16, SEG_GRAPH } },
+ { 0x101, { MM_PACKED, 640, 480, 8, 8, 16, SEG_GRAPH } },
+ { 0x102, { MM_PLANAR, 800, 600, 4, 8, 16, SEG_GRAPH } },
+ { 0x103, { MM_PACKED, 800, 600, 8, 8, 16, SEG_GRAPH } },
+ { 0x104, { MM_PLANAR, 1024, 768, 4, 8, 16, SEG_GRAPH } },
+ { 0x105, { MM_PACKED, 1024, 768, 8, 8, 16, SEG_GRAPH } },
+ { 0x106, { MM_PLANAR, 1280, 1024, 4, 8, 16, SEG_GRAPH } },
+ { 0x107, { MM_PACKED, 1280, 1024, 8, 8, 16, SEG_GRAPH } },
+ { 0x10D, { MM_DIRECT, 320, 200, 15, 8, 16, SEG_GRAPH } },
+ { 0x10E, { MM_DIRECT, 320, 200, 16, 8, 16, SEG_GRAPH } },
+ { 0x10F, { MM_DIRECT, 320, 200, 24, 8, 16, SEG_GRAPH } },
+ { 0x110, { MM_DIRECT, 640, 480, 15, 8, 16, SEG_GRAPH } },
+ { 0x111, { MM_DIRECT, 640, 480, 16, 8, 16, SEG_GRAPH } },
+ { 0x112, { MM_DIRECT, 640, 480, 24, 8, 16, SEG_GRAPH } },
+ { 0x113, { MM_DIRECT, 800, 600, 15, 8, 16, SEG_GRAPH } },
+ { 0x114, { MM_DIRECT, 800, 600, 16, 8, 16, SEG_GRAPH } },
+ { 0x115, { MM_DIRECT, 800, 600, 24, 8, 16, SEG_GRAPH } },
+ { 0x116, { MM_DIRECT, 1024, 768, 15, 8, 16, SEG_GRAPH } },
+ { 0x117, { MM_DIRECT, 1024, 768, 16, 8, 16, SEG_GRAPH } },
+ { 0x118, { MM_DIRECT, 1024, 768, 24, 8, 16, SEG_GRAPH } },
+ { 0x119, { MM_DIRECT, 1280, 1024, 15, 8, 16, SEG_GRAPH } },
+ { 0x11A, { MM_DIRECT, 1280, 1024, 16, 8, 16, SEG_GRAPH } },
+ { 0x11B, { MM_DIRECT, 1280, 1024, 24, 8, 16, SEG_GRAPH } },
+ { 0x11C, { MM_PACKED, 1600, 1200, 8, 8, 16, SEG_GRAPH } },
+ { 0x11D, { MM_DIRECT, 1600, 1200, 15, 8, 16, SEG_GRAPH } },
+ { 0x11E, { MM_DIRECT, 1600, 1200, 16, 8, 16, SEG_GRAPH } },
+ { 0x11F, { MM_DIRECT, 1600, 1200, 24, 8, 16, SEG_GRAPH } },
/* BOCHS modes */
- { 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 } },
+ { 0x140, { MM_DIRECT, 320, 200, 32, 8, 16, SEG_GRAPH } },
+ { 0x141, { MM_DIRECT, 640, 400, 32, 8, 16, SEG_GRAPH } },
+ { 0x142, { MM_DIRECT, 640, 480, 32, 8, 16, SEG_GRAPH } },
+ { 0x143, { MM_DIRECT, 800, 600, 32, 8, 16, SEG_GRAPH } },
+ { 0x144, { MM_DIRECT, 1024, 768, 32, 8, 16, SEG_GRAPH } },
+ { 0x145, { MM_DIRECT, 1280, 1024, 32, 8, 16, SEG_GRAPH } },
+ { 0x146, { MM_PACKED, 320, 200, 8, 8, 16, SEG_GRAPH } },
+ { 0x147, { MM_DIRECT, 1600, 1200, 32, 8, 16, SEG_GRAPH } },
+ { 0x148, { MM_PACKED, 1152, 864, 8, 8, 16, SEG_GRAPH } },
+ { 0x149, { MM_DIRECT, 1152, 864, 15, 8, 16, SEG_GRAPH } },
+ { 0x14a, { MM_DIRECT, 1152, 864, 16, 8, 16, SEG_GRAPH } },
+ { 0x14b, { MM_DIRECT, 1152, 864, 24, 8, 16, SEG_GRAPH } },
+ { 0x14c, { MM_DIRECT, 1152, 864, 32, 8, 16, SEG_GRAPH } },
+ { 0x178, { MM_DIRECT, 1280, 800, 16, 8, 16, SEG_GRAPH } },
+ { 0x179, { MM_DIRECT, 1280, 800, 24, 8, 16, SEG_GRAPH } },
+ { 0x17a, { MM_DIRECT, 1280, 800, 32, 8, 16, SEG_GRAPH } },
+ { 0x17b, { MM_DIRECT, 1280, 960, 16, 8, 16, SEG_GRAPH } },
+ { 0x17c, { MM_DIRECT, 1280, 960, 24, 8, 16, SEG_GRAPH } },
+ { 0x17d, { MM_DIRECT, 1280, 960, 32, 8, 16, SEG_GRAPH } },
+ { 0x17e, { MM_DIRECT, 1440, 900, 16, 8, 16, SEG_GRAPH } },
+ { 0x17f, { MM_DIRECT, 1440, 900, 24, 8, 16, SEG_GRAPH } },
+ { 0x180, { MM_DIRECT, 1440, 900, 32, 8, 16, SEG_GRAPH } },
+ { 0x181, { MM_DIRECT, 1400, 1050, 16, 8, 16, SEG_GRAPH } },
+ { 0x182, { MM_DIRECT, 1400, 1050, 24, 8, 16, SEG_GRAPH } },
+ { 0x183, { MM_DIRECT, 1400, 1050, 32, 8, 16, SEG_GRAPH } },
+ { 0x184, { MM_DIRECT, 1680, 1050, 16, 8, 16, SEG_GRAPH } },
+ { 0x185, { MM_DIRECT, 1680, 1050, 24, 8, 16, SEG_GRAPH } },
+ { 0x186, { MM_DIRECT, 1680, 1050, 32, 8, 16, SEG_GRAPH } },
+ { 0x187, { MM_DIRECT, 1920, 1200, 16, 8, 16, SEG_GRAPH } },
+ { 0x188, { MM_DIRECT, 1920, 1200, 24, 8, 16, SEG_GRAPH } },
+ { 0x189, { MM_DIRECT, 1920, 1200, 32, 8, 16, SEG_GRAPH } },
+ { 0x18a, { MM_DIRECT, 2560, 1600, 16, 8, 16, SEG_GRAPH } },
+ { 0x18b, { MM_DIRECT, 2560, 1600, 24, 8, 16, SEG_GRAPH } },
+ { 0x18c, { MM_DIRECT, 2560, 1600, 32, 8, 16, SEG_GRAPH } },
};
+static int is_bochsvga_mode(struct vgamode_s *vmode_g)
+{
+ return (vmode_g >= &bochsvga_modes[0].info
+ && vmode_g <= &bochsvga_modes[ARRAY_SIZE(bochsvga_modes)-1].info);
+}
+
static u16 dispi_get_max_xres(void)
{
u16 en;
return -1;
}
- 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(GET_GLOBAL(VgaBDF), PCI_BASE_ADDRESS_0)
- & PCI_BASE_ADDRESS_MEM_MASK);
- else
- lfb_addr = VBE_DISPI_LFB_PHYSICAL_ADDRESS;
+ u32 lfb_addr = VBE_DISPI_LFB_PHYSICAL_ADDRESS;
+ int bdf = GET_GLOBAL(VgaBDF);
+ if (CONFIG_VGA_PCI && bdf >= 0) {
+ int barid = 0;
+ u32 bar = pci_config_readl(bdf, PCI_BASE_ADDRESS_0);
+ if ((bar & PCI_BASE_ADDRESS_SPACE) != PCI_BASE_ADDRESS_SPACE_MEMORY) {
+ barid = 1;
+ bar = pci_config_readl(bdf, PCI_BASE_ADDRESS_1);
+ }
+ lfb_addr = bar & PCI_BASE_ADDRESS_MEM_MASK;
+ dprintf(1, "VBE DISPI: bdf %02x:%02x.%x, bar %d\n", pci_bdf_to_bus(bdf)
+ , pci_bdf_to_dev(bdf), pci_bdf_to_fn(bdf), barid);
+ }
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", lfb_addr);
+ dprintf(1, "VBE DISPI: lfb_addr=%x, size %d MB\n",
+ lfb_addr, totalmem / 16);
return 0;
}
dispi_write(VBE_DISPI_INDEX_ENABLE, flags);
}
+int
+bochsvga_get_window(struct vgamode_s *vmode_g, int window)
+{
+ if (window != 0)
+ return -1;
+ return dispi_read(VBE_DISPI_INDEX_BANK);
+}
+
+int
+bochsvga_set_window(struct vgamode_s *vmode_g, int window, int val)
+{
+ if (window != 0)
+ return -1;
+ dispi_write(VBE_DISPI_INDEX_BANK, val);
+ if (dispi_read(VBE_DISPI_INDEX_BANK) != val)
+ return -1;
+ return 0;
+}
+
+int
+bochsvga_get_linelength(struct vgamode_s *vmode_g)
+{
+ return dispi_read(VBE_DISPI_INDEX_VIRT_WIDTH) * vga_bpp(vmode_g) / 8;
+}
+
+int
+bochsvga_set_linelength(struct vgamode_s *vmode_g, int val)
+{
+ stdvga_set_linelength(vmode_g, val);
+ int pixels = (val * 8) / vga_bpp(vmode_g);
+ dispi_write(VBE_DISPI_INDEX_VIRT_WIDTH, pixels);
+ return 0;
+}
+
+int
+bochsvga_get_displaystart(struct vgamode_s *vmode_g)
+{
+ int bpp = vga_bpp(vmode_g);
+ int linelength = dispi_read(VBE_DISPI_INDEX_VIRT_WIDTH) * bpp / 8;
+ int x = dispi_read(VBE_DISPI_INDEX_X_OFFSET);
+ int y = dispi_read(VBE_DISPI_INDEX_Y_OFFSET);
+ return x * bpp / 8 + linelength * y;
+}
+
+int
+bochsvga_set_displaystart(struct vgamode_s *vmode_g, int val)
+{
+ stdvga_set_displaystart(vmode_g, val);
+ int bpp = vga_bpp(vmode_g);
+ int linelength = dispi_read(VBE_DISPI_INDEX_VIRT_WIDTH) * bpp / 8;
+ dispi_write(VBE_DISPI_INDEX_X_OFFSET, (val % linelength) * 8 / bpp);
+ dispi_write(VBE_DISPI_INDEX_Y_OFFSET, val / linelength);
+ return 0;
+}
+
static void
bochsvga_clear_scr(void)
{
}
int
-bochsvga_set_mode(int mode, int flags)
+bochsvga_set_mode(struct vgamode_s *vmode_g, int flags)
{
- if (!(mode & VBE_MODE_VESA_DEFINED)) {
- dprintf(1, "set VGA mode %x\n", mode);
-
- SET_BDA(vbe_mode, 0);
+ if (! is_bochsvga_mode(vmode_g)) {
bochsvga_hires_enable(0);
- return stdvga_set_mode(mode, flags);
+ return stdvga_set_mode(vmode_g, 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);
+ stdvga_set_mode(stdvga_find_mode(0x6a), 0);
if (depth == 8)
// XXX load_dac_palette(3);
;
stdvga_grdc_mask(0x05, 0x20, 0x40);
}
- SET_BDA(vbe_mode, mode | flags);
-
if (flags & MF_LINEARFB) {
/* Linear frame buffer */
/* XXX: ??? */
}
- if (!(mode & MF_NOCLEARMEM)) {
+ if (!(flags & MF_NOCLEARMEM)) {
bochsvga_clear_scr();
}
projects / seabios.git / blobdiff