diff options
| -rw-r--r-- | src/drivers/emulation/qemu/Config.lb | 1 | ||||
| -rw-r--r-- | src/drivers/emulation/qemu/fb.h | 344 | ||||
| -rw-r--r-- | src/drivers/emulation/qemu/fbcon.h | 176 | ||||
| -rw-r--r-- | src/drivers/emulation/qemu/init.c | 90 |
4 files changed, 611 insertions, 0 deletions
diff --git a/src/drivers/emulation/qemu/Config.lb b/src/drivers/emulation/qemu/Config.lb new file mode 100644 index 0000000000..3a8d35a057 --- /dev/null +++ b/src/drivers/emulation/qemu/Config.lb @@ -0,0 +1 @@ +driver init.o diff --git a/src/drivers/emulation/qemu/fb.h b/src/drivers/emulation/qemu/fb.h new file mode 100644 index 0000000000..01f2887707 --- /dev/null +++ b/src/drivers/emulation/qemu/fb.h @@ -0,0 +1,344 @@ +#ifndef _LINUX_FB_H +#define _LINUX_FB_H + +#define u32 uint32_t +#define u16 uint16_t +#define u8 uint8_t +#define s16 short + +/* Definitions of frame buffers */ + +#define FB_MAJOR 29 +#define FB_MAX 32 /* sufficient for now */ + +/* ioctls + 0x46 is 'F' */ +#define FBIOGET_VSCREENINFO 0x4600 +#define FBIOPUT_VSCREENINFO 0x4601 +#define FBIOGET_FSCREENINFO 0x4602 +#define FBIOGETCMAP 0x4604 +#define FBIOPUTCMAP 0x4605 +#define FBIOPAN_DISPLAY 0x4606 +/* 0x4607-0x460B are defined below */ +/* #define FBIOGET_MONITORSPEC 0x460C */ +/* #define FBIOPUT_MONITORSPEC 0x460D */ +/* #define FBIOSWITCH_MONIBIT 0x460E */ +#define FBIOGET_CON2FBMAP 0x460F +#define FBIOPUT_CON2FBMAP 0x4610 +#define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */ +#define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank) +#define FBIO_ALLOC 0x4613 +#define FBIO_FREE 0x4614 +#define FBIOGET_GLYPH 0x4615 +#define FBIOGET_HWCINFO 0x4616 +#define FBIOPUT_MODEINFO 0x4617 +#define FBIOGET_DISPINFO 0x4618 + + +#define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */ +#define FB_TYPE_PLANES 1 /* Non interleaved planes */ +#define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */ +#define FB_TYPE_TEXT 3 /* Text/attributes */ +#define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */ + +#define FB_AUX_TEXT_MDA 0 /* Monochrome text */ +#define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */ +#define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */ +#define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */ +#define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */ + +#define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */ +#define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */ +#define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */ + +#define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */ +#define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */ +#define FB_VISUAL_TRUECOLOR 2 /* True color */ +#define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */ +#define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */ +#define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */ + +#define FB_ACCEL_NONE 0 /* no hardware accelerator */ +#define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */ +#define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */ +#define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */ +#define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */ +#define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */ +#define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */ +#define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */ +#define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */ +#define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */ +#define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */ +#define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */ +#define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */ +#define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */ +#define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */ +#define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */ +#define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */ +#define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */ +#define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */ +#define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */ +#define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */ +#define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */ +#define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */ +#define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */ +#define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */ +#define FB_ACCEL_SUN_TCX 25 /* Sun tcx */ +#define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */ +#define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */ +#define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */ +#define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */ +#define FB_ACCEL_CT_6555x 30 /* C&T 6555x */ +#define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */ +#define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */ +#define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */ +#define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */ +#define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */ +#define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */ +#define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */ +#define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */ +#define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */ +#define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */ + +#define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */ +#define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */ +#define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */ +#define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */ +#define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */ +#define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */ +#define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */ +#define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */ +#define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */ + +#if 0 + +struct fb_fix_screeninfo { + char id[16]; /* identification string eg "TT Builtin" */ + unsigned long smem_start; /* Start of frame buffer mem */ + /* (physical address) */ + u32 smem_len; /* Length of frame buffer mem */ + u32 type; /* see FB_TYPE_* */ + u32 type_aux; /* Interleave for interleaved Planes */ + u32 visual; /* see FB_VISUAL_* */ + u16 xpanstep; /* zero if no hardware panning */ + u16 ypanstep; /* zero if no hardware panning */ + u16 ywrapstep; /* zero if no hardware ywrap */ + u32 line_length; /* length of a line in bytes */ + unsigned long mmio_start; /* Start of Memory Mapped I/O */ + /* (physical address) */ + u32 mmio_len; /* Length of Memory Mapped I/O */ + u32 accel; /* Type of acceleration available */ + u16 reserved[3]; /* Reserved for future compatibility */ +}; + +#endif + +/* Interpretation of offset for color fields: All offsets are from the right, + * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you + * can use the offset as right argument to <<). A pixel afterwards is a bit + * stream and is written to video memory as that unmodified. This implies + * big-endian byte order if bits_per_pixel is greater than 8. + */ +struct fb_bitfield { + u32 offset; /* beginning of bitfield */ + u32 length; /* length of bitfield */ + u32 msb_right; /* != 0 : Most significant bit is */ + /* right */ +}; + +#define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */ + +#define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/ +#define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */ +#define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */ +#define FB_ACTIVATE_MASK 15 + /* values */ +#define FB_ACTIVATE_VBL 16 /* activate values on next vbl */ +#define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */ +#define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */ + +#define FB_ACCELF_TEXT 1 /* text mode acceleration */ + +#define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */ +#define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */ +#define FB_SYNC_EXT 4 /* external sync */ +#define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */ +#define FB_SYNC_BROADCAST 16 /* broadcast video timings */ + /* vtotal = 144d/288n/576i => PAL */ + /* vtotal = 121d/242n/484i => NTSC */ +#define FB_SYNC_ON_GREEN 32 /* sync on green */ + +#define FB_VMODE_NONINTERLACED 0 /* non interlaced */ +#define FB_VMODE_INTERLACED 1 /* interlaced */ +#define FB_VMODE_DOUBLE 2 /* double scan */ +#define FB_VMODE_MASK 255 + +#define FB_VMODE_YWRAP 256 /* ywrap instead of panning */ +#define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */ +#define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */ + +struct fb_var_screeninfo { + u32 xres; /* visible resolution */ + u32 yres; + u32 xres_virtual; /* virtual resolution */ + u32 yres_virtual; + u32 xoffset; /* offset from virtual to visible */ + u32 yoffset; /* resolution */ + + u32 bits_per_pixel; /* guess what */ + u32 grayscale; /* != 0 Graylevels instead of colors */ + + struct fb_bitfield red; /* bitfield in fb mem if true color, */ + struct fb_bitfield green; /* else only length is significant */ + struct fb_bitfield blue; + struct fb_bitfield transp; /* transparency */ + + u32 nonstd; /* != 0 Non standard pixel format */ + + u32 activate; /* see FB_ACTIVATE_* */ + + u32 height; /* height of picture in mm */ + u32 width; /* width of picture in mm */ + + u32 accel_flags; /* acceleration flags (hints) */ + + /* Timing: All values in pixclocks, except pixclock (of course) */ + u32 pixclock; /* pixel clock in ps (pico seconds) */ + u32 left_margin; /* time from sync to picture */ + u32 right_margin; /* time from picture to sync */ + u32 upper_margin; /* time from sync to picture */ + u32 lower_margin; + u32 hsync_len; /* length of horizontal sync */ + u32 vsync_len; /* length of vertical sync */ + u32 sync; /* see FB_SYNC_* */ + u32 vmode; /* see FB_VMODE_* */ + u32 reserved[6]; /* Reserved for future compatibility */ +}; + +struct fb_cmap { + u32 start; /* First entry */ + u32 len; /* Number of entries */ + u16 *red; /* Red values */ + u16 *green; + u16 *blue; + u16 *transp; /* transparency, can be NULL */ +}; + +struct fb_con2fbmap { + u32 console; + u32 framebuffer; +}; + +/* VESA Blanking Levels */ +#define VESA_NO_BLANKING 0 +#define VESA_VSYNC_SUSPEND 1 +#define VESA_HSYNC_SUSPEND 2 +#define VESA_POWERDOWN 3 + +struct fb_monspecs { + u32 hfmin; /* hfreq lower limit (Hz) */ + u32 hfmax; /* hfreq upper limit (Hz) */ + u16 vfmin; /* vfreq lower limit (Hz) */ + u16 vfmax; /* vfreq upper limit (Hz) */ + unsigned dpms : 1; /* supports DPMS */ +}; + +#define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */ +#define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */ +#define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */ +#define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */ +#define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */ +#define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */ +#define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */ +#define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */ +#define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */ + +struct fb_vblank { + u32 flags; /* FB_VBLANK flags */ + u32 count; /* counter of retraces since boot */ + u32 vcount; /* current scanline position */ + u32 hcount; /* current scandot position */ + u32 reserved[4]; /* reserved for future compatibility */ +}; + + +#if 1 + +#define FBCMD_GET_CURRENTPAR 0xDEAD0005 +#define FBCMD_SET_CURRENTPAR 0xDEAD8005 + +#endif + + + + /* + * Hardware Cursor + */ + +#define FBIOGET_FCURSORINFO 0x4607 +#define FBIOGET_VCURSORINFO 0x4608 +#define FBIOPUT_VCURSORINFO 0x4609 +#define FBIOGET_CURSORSTATE 0x460A +#define FBIOPUT_CURSORSTATE 0x460B + + +struct fb_fix_cursorinfo { + u16 crsr_width; /* width and height of the cursor in */ + u16 crsr_height; /* pixels (zero if no cursor) */ + u16 crsr_xsize; /* cursor size in display pixels */ + u16 crsr_ysize; + u16 crsr_color1; /* colormap entry for cursor color1 */ + u16 crsr_color2; /* colormap entry for cursor color2 */ +}; + +struct fb_var_cursorinfo { + u16 width; + u16 height; + u16 xspot; + u16 yspot; + u8 data[1]; /* field with [height][width] */ +}; + +struct fb_cursorstate { + s16 xoffset; + s16 yoffset; + u16 mode; +}; + + +struct fb_info { + char modename[40]; /* default video mode */ +// kdev_t node; + int flags; + int open; /* Has this been open already ? */ + struct fb_var_screeninfo var; /* Current var */ +#if 0 + struct fb_fix_screeninfo fix; /* Current fix */ +#endif + struct fb_monspecs monspecs; /* Current Monitor specs */ + struct fb_cmap cmap; /* Current cmap */ +// struct fb_ops *fbops; + char *screen_base; /* Virtual address */ + struct display *disp; /* initial display variable */ +// struct vc_data *display_fg; /* Console visible on this display */ + char fontname[40]; /* default font name */ +#if 0 + devfs_handle_t devfs_handle; /* Devfs handle for new name */ + devfs_handle_t devfs_lhandle; /* Devfs handle for compat. symlink */ + int (*changevar)(int); /* tell console var has changed */ + int (*switch_con)(int, struct fb_info*); + /* tell fb to switch consoles */ + int (*updatevar)(int, struct fb_info*); + /* tell fb to update the vars */ + void (*blank)(int, struct fb_info*); /* tell fb to (un)blank the screen */ + /* arg = 0: unblank */ + /* arg > 0: VESA level (arg-1) */ +#endif + void *pseudo_palette; /* Fake palette of 16 colors and + the cursor's color for non + palette mode */ + /* From here on everything is device dependent */ + void *par; +}; + +#endif /* _LINUX_FB_H */ diff --git a/src/drivers/emulation/qemu/fbcon.h b/src/drivers/emulation/qemu/fbcon.h new file mode 100644 index 0000000000..56328323dc --- /dev/null +++ b/src/drivers/emulation/qemu/fbcon.h @@ -0,0 +1,176 @@ +/* + * linux/drivers/video/fbcon.h -- Low level frame buffer based console driver + * + * Copyright (C) 1997 Geert Uytterhoeven + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + */ + +#ifndef _VIDEO_FBCON_H +#define _VIDEO_FBCON_H + + + +struct display { + /* Filled in by the frame buffer device */ + + struct fb_var_screeninfo var; /* variable infos. yoffset and vmode */ + /* are updated by fbcon.c */ + struct fb_cmap cmap; /* colormap */ + char *screen_base; /* pointer to top of virtual screen */ + /* (virtual address) */ + int visual; + int type; /* see FB_TYPE_* */ + int type_aux; /* Interleave for interleaved Planes */ + u16 ypanstep; /* zero if no hardware ypan */ + u16 ywrapstep; /* zero if no hardware ywrap */ + u32 line_length; /* length of a line in bytes */ + u16 can_soft_blank; /* zero if no hardware blanking */ + u16 inverse; /* != 0 text black on white as default */ +// struct display_switch *dispsw; /* low level operations */ +// void *dispsw_data; /* optional dispsw helper data */ + +#if 0 + struct fb_fix_cursorinfo fcrsr; + struct fb_var_cursorinfo *vcrsr; + struct fb_cursorstate crsrstate; +#endif + + /* Filled in by the low-level console driver */ + + struct vc_data *conp; /* pointer to console data */ +// struct fb_info *fb_info; /* frame buffer for this console */ + int vrows; /* number of virtual rows */ + unsigned short cursor_x; /* current cursor position */ + unsigned short cursor_y; + int fgcol; /* text colors */ + int bgcol; + u32 next_line; /* offset to one line below */ + u32 next_plane; /* offset to next plane */ + u8 *fontdata; /* Font associated to this display */ + unsigned short _fontheightlog; + unsigned short _fontwidthlog; + unsigned short _fontheight; + unsigned short _fontwidth; + int userfont; /* != 0 if fontdata kmalloc()ed */ + u16 scrollmode; /* Scroll Method */ + short yscroll; /* Hardware scrolling */ + unsigned char fgshift, bgshift; + unsigned short charmask; /* 0xff or 0x1ff */ +}; + + +#define fontheight(p) ((p)->_fontheight) +#define fontheightlog(p) ((p)->_fontheightlog) + +#ifdef CONFIG_FBCON_FONTWIDTH8_ONLY + +/* fontwidth w is supported by dispsw */ +#define FONTWIDTH(w) (1 << ((8) - 1)) +/* fontwidths w1-w2 inclusive are supported by dispsw */ +#define FONTWIDTHRANGE(w1,w2) FONTWIDTH(8) + +#define fontwidth(p) (8) +#define fontwidthlog(p) (0) + +#else + +/* fontwidth w is supported by dispsw */ +#define FONTWIDTH(w) (1 << ((w) - 1)) +/* fontwidths w1-w2 inclusive are supported by dispsw */ +#define FONTWIDTHRANGE(w1,w2) (FONTWIDTH(w2+1) - FONTWIDTH(w1)) + +#define fontwidth(p) ((p)->_fontwidth) +#define fontwidthlog(p) ((p)->_fontwidthlog) + +#endif + + /* + * Attribute Decoding + */ + +/* Color */ +#define attr_fgcol(p,s) \ + (((s) >> ((p)->fgshift)) & 0x0f) +#define attr_bgcol(p,s) \ + (((s) >> ((p)->bgshift)) & 0x0f) +#define attr_bgcol_ec(p,conp) \ + ((conp) ? (((conp)->vc_video_erase_char >> ((p)->bgshift)) & 0x0f) : 0) + +/* Monochrome */ +#define attr_bold(p,s) \ + ((s) & 0x200) +#define attr_reverse(p,s) \ + (((s) & 0x800) ^ ((p)->inverse ? 0x800 : 0)) +#define attr_underline(p,s) \ + ((s) & 0x400) +#define attr_blink(p,s) \ + ((s) & 0x8000) + + /* + * Scroll Method + */ + +/* Internal flags */ +#define __SCROLL_YPAN 0x001 +#define __SCROLL_YWRAP 0x002 +#define __SCROLL_YMOVE 0x003 +#define __SCROLL_YREDRAW 0x004 +#define __SCROLL_YMASK 0x00f +#define __SCROLL_YFIXED 0x010 +#define __SCROLL_YNOMOVE 0x020 +#define __SCROLL_YPANREDRAW 0x040 +#define __SCROLL_YNOPARTIAL 0x080 + +/* Only these should be used by the drivers */ +/* Which one should you use? If you have a fast card and slow bus, + then probably just 0 to indicate fbcon should choose between + YWRAP/YPAN+MOVE/YMOVE. On the other side, if you have a fast bus + and even better if your card can do fonting (1->8/32bit painting), + you should consider either SCROLL_YREDRAW (if your card is + able to do neither YPAN/YWRAP), or SCROLL_YNOMOVE. + The best is to test it with some real life scrolling (usually, not + all lines on the screen are filled completely with non-space characters, + and REDRAW performs much better on such lines, so don't cat a file + with every line covering all screen columns, it would not be the right + benchmark). + */ +#define SCROLL_YREDRAW (__SCROLL_YFIXED|__SCROLL_YREDRAW) +#define SCROLL_YNOMOVE (__SCROLL_YNOMOVE|__SCROLL_YPANREDRAW) + +/* SCROLL_YNOPARTIAL, used in combination with the above, is for video + cards which can not handle using panning to scroll a portion of the + screen without excessive flicker. Panning will only be used for + whole screens. + */ +/* Namespace consistency */ +#define SCROLL_YNOPARTIAL __SCROLL_YNOPARTIAL + + +#if defined(__i386__) || defined(__alpha__) || \ + defined(__x86_64__) || defined(__hppa__) || \ + defined(__powerpc64__) + +#define fb_readb __raw_readb +#define fb_readw __raw_readw +#define fb_readl __raw_readl +#define fb_writeb __raw_writeb +#define fb_writew __raw_writew +#define fb_writel __raw_writel +#define fb_memset memset_io + +#else + +#define fb_readb(addr) (*(volatile u8 *) (addr)) +#define fb_readw(addr) (*(volatile u16 *) (addr)) +#define fb_readl(addr) (*(volatile u32 *) (addr)) +#define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b)) +#define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b)) +#define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b)) +#define fb_memset memset + +#endif + +#endif /* _VIDEO_FBCON_H */ diff --git a/src/drivers/emulation/qemu/init.c b/src/drivers/emulation/qemu/init.c new file mode 100644 index 0000000000..88fa5aeb75 --- /dev/null +++ b/src/drivers/emulation/qemu/init.c @@ -0,0 +1,90 @@ +#include <delay.h> +#include <stdlib.h> +#include <string.h> +#include <arch/io.h> + +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> + +#if CONFIG_CONSOLE_BTEXT==1 + +#define PLL_CRTC_DECODE 0 +#define SUPPORT_8_BPP_ABOVE 0 + +#include "fb.h" +#include "fbcon.h" + +#include <console/btext.h> + +#endif /*CONFIG_CONSOLE_BTEXT*/ + + +/* VGA init. We use the Bochs VESA VBE extensions */ +#define VBE_DISPI_INDEX_ID 0x0 +#define VBE_DISPI_INDEX_XRES 0x1 +#define VBE_DISPI_INDEX_YRES 0x2 +#define VBE_DISPI_INDEX_BPP 0x3 +#define VBE_DISPI_INDEX_ENABLE 0x4 +#define VBE_DISPI_INDEX_BANK 0x5 +#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6 +#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7 +#define VBE_DISPI_INDEX_X_OFFSET 0x8 +#define VBE_DISPI_INDEX_Y_OFFSET 0x9 +#define VBE_DISPI_INDEX_NB 0xa + +#define VBE_DISPI_ID0 0xB0C0 +#define VBE_DISPI_ID1 0xB0C1 +#define VBE_DISPI_ID2 0xB0C2 + +#define VBE_DISPI_DISABLED 0x00 +#define VBE_DISPI_ENABLED 0x01 +#define VBE_DISPI_LFB_ENABLED 0x40 +#define VBE_DISPI_NOCLEARMEM 0x80 + +#define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000 + +static void vbe_outw(int index, int val) +{ + outw(0x1ce, index); + outw(0x1cf, val); +} + +static void qemu_init(void) +{ + int width=640, height=480, depth=8; + + printk_debug("Initializing VGA!\n"); + + vbe_outw(VBE_DISPI_INDEX_XRES, width); + vbe_outw(VBE_DISPI_INDEX_YRES, height); + vbe_outw(VBE_DISPI_INDEX_BPP, depth); + vbe_outw(VBE_DISPI_INDEX_ENABLE, VBE_DISPI_ENABLED); + outb(0x3c0, 0x20); /* disable blanking */ +/* + vga_fb_phys_addr = VBE_DISPI_LFB_PHYSICAL_ADDRESS; + vga_fb_width = width; + vga_fb_height = height; + vga_fb_depth = depth; + vga_fb_bpp = (depth + 7) >> 3; + vga_fb_linesize = width * vga_fb_bpp; + */ +} + +static struct device_operations qemu_graph_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = qemu_init, + .scan_bus = 0, +}; + +static struct pci_driver qemu_graph_driver __pci_driver = { + .ops = &qemu_graph_ops, + .vendor = 0x1234, + .device = 0x1111, +}; + + |