add qemu graphics card initialization driver
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1612 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer
parent
e2b53e1432
commit
f2065a4cf9
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driver init.o
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#ifndef _LINUX_FB_H
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#define _LINUX_FB_H
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#define u32 uint32_t
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#define u16 uint16_t
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#define u8 uint8_t
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#define s16 short
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/* Definitions of frame buffers */
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#define FB_MAJOR 29
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#define FB_MAX 32 /* sufficient for now */
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/* ioctls
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0x46 is 'F' */
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#define FBIOGET_VSCREENINFO 0x4600
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#define FBIOPUT_VSCREENINFO 0x4601
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#define FBIOGET_FSCREENINFO 0x4602
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#define FBIOGETCMAP 0x4604
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#define FBIOPUTCMAP 0x4605
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#define FBIOPAN_DISPLAY 0x4606
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/* 0x4607-0x460B are defined below */
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/* #define FBIOGET_MONITORSPEC 0x460C */
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/* #define FBIOPUT_MONITORSPEC 0x460D */
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/* #define FBIOSWITCH_MONIBIT 0x460E */
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#define FBIOGET_CON2FBMAP 0x460F
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#define FBIOPUT_CON2FBMAP 0x4610
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#define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */
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#define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank)
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#define FBIO_ALLOC 0x4613
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#define FBIO_FREE 0x4614
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#define FBIOGET_GLYPH 0x4615
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#define FBIOGET_HWCINFO 0x4616
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#define FBIOPUT_MODEINFO 0x4617
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#define FBIOGET_DISPINFO 0x4618
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#define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */
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#define FB_TYPE_PLANES 1 /* Non interleaved planes */
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#define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */
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#define FB_TYPE_TEXT 3 /* Text/attributes */
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#define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */
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#define FB_AUX_TEXT_MDA 0 /* Monochrome text */
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#define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */
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#define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */
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#define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */
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#define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */
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#define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */
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#define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */
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#define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */
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#define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */
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#define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */
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#define FB_VISUAL_TRUECOLOR 2 /* True color */
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#define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */
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#define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */
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#define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */
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#define FB_ACCEL_NONE 0 /* no hardware accelerator */
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#define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */
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#define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */
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#define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */
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#define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */
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#define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */
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#define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */
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#define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */
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#define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */
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#define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */
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#define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */
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#define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */
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#define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */
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#define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */
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#define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */
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#define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */
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#define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */
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#define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */
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#define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */
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#define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */
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#define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */
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#define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */
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#define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */
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#define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */
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#define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */
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#define FB_ACCEL_SUN_TCX 25 /* Sun tcx */
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#define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */
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#define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */
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#define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */
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#define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */
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#define FB_ACCEL_CT_6555x 30 /* C&T 6555x */
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#define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */
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#define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */
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#define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */
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#define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */
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#define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */
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#define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */
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#define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */
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#define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */
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#define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */
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#define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */
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#define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */
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#define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */
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#define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */
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#define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */
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#define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */
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#define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */
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#define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */
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#define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */
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#define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */
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#if 0
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struct fb_fix_screeninfo {
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char id[16]; /* identification string eg "TT Builtin" */
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unsigned long smem_start; /* Start of frame buffer mem */
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/* (physical address) */
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u32 smem_len; /* Length of frame buffer mem */
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u32 type; /* see FB_TYPE_* */
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u32 type_aux; /* Interleave for interleaved Planes */
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u32 visual; /* see FB_VISUAL_* */
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u16 xpanstep; /* zero if no hardware panning */
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u16 ypanstep; /* zero if no hardware panning */
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u16 ywrapstep; /* zero if no hardware ywrap */
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u32 line_length; /* length of a line in bytes */
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unsigned long mmio_start; /* Start of Memory Mapped I/O */
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/* (physical address) */
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u32 mmio_len; /* Length of Memory Mapped I/O */
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u32 accel; /* Type of acceleration available */
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u16 reserved[3]; /* Reserved for future compatibility */
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};
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#endif
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/* Interpretation of offset for color fields: All offsets are from the right,
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* inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
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* can use the offset as right argument to <<). A pixel afterwards is a bit
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* stream and is written to video memory as that unmodified. This implies
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* big-endian byte order if bits_per_pixel is greater than 8.
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*/
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struct fb_bitfield {
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u32 offset; /* beginning of bitfield */
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u32 length; /* length of bitfield */
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u32 msb_right; /* != 0 : Most significant bit is */
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/* right */
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};
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#define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */
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#define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/
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#define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */
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#define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */
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#define FB_ACTIVATE_MASK 15
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/* values */
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#define FB_ACTIVATE_VBL 16 /* activate values on next vbl */
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#define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */
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#define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */
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#define FB_ACCELF_TEXT 1 /* text mode acceleration */
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#define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */
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#define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */
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#define FB_SYNC_EXT 4 /* external sync */
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#define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */
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#define FB_SYNC_BROADCAST 16 /* broadcast video timings */
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/* vtotal = 144d/288n/576i => PAL */
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/* vtotal = 121d/242n/484i => NTSC */
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#define FB_SYNC_ON_GREEN 32 /* sync on green */
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#define FB_VMODE_NONINTERLACED 0 /* non interlaced */
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#define FB_VMODE_INTERLACED 1 /* interlaced */
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#define FB_VMODE_DOUBLE 2 /* double scan */
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#define FB_VMODE_MASK 255
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#define FB_VMODE_YWRAP 256 /* ywrap instead of panning */
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#define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */
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#define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */
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struct fb_var_screeninfo {
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u32 xres; /* visible resolution */
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u32 yres;
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u32 xres_virtual; /* virtual resolution */
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u32 yres_virtual;
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u32 xoffset; /* offset from virtual to visible */
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u32 yoffset; /* resolution */
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u32 bits_per_pixel; /* guess what */
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u32 grayscale; /* != 0 Graylevels instead of colors */
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struct fb_bitfield red; /* bitfield in fb mem if true color, */
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struct fb_bitfield green; /* else only length is significant */
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struct fb_bitfield blue;
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struct fb_bitfield transp; /* transparency */
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u32 nonstd; /* != 0 Non standard pixel format */
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u32 activate; /* see FB_ACTIVATE_* */
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u32 height; /* height of picture in mm */
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u32 width; /* width of picture in mm */
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u32 accel_flags; /* acceleration flags (hints) */
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/* Timing: All values in pixclocks, except pixclock (of course) */
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u32 pixclock; /* pixel clock in ps (pico seconds) */
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u32 left_margin; /* time from sync to picture */
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u32 right_margin; /* time from picture to sync */
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u32 upper_margin; /* time from sync to picture */
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u32 lower_margin;
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u32 hsync_len; /* length of horizontal sync */
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u32 vsync_len; /* length of vertical sync */
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u32 sync; /* see FB_SYNC_* */
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u32 vmode; /* see FB_VMODE_* */
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u32 reserved[6]; /* Reserved for future compatibility */
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};
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struct fb_cmap {
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u32 start; /* First entry */
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u32 len; /* Number of entries */
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u16 *red; /* Red values */
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u16 *green;
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u16 *blue;
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u16 *transp; /* transparency, can be NULL */
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};
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struct fb_con2fbmap {
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u32 console;
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u32 framebuffer;
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};
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/* VESA Blanking Levels */
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#define VESA_NO_BLANKING 0
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#define VESA_VSYNC_SUSPEND 1
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#define VESA_HSYNC_SUSPEND 2
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#define VESA_POWERDOWN 3
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struct fb_monspecs {
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u32 hfmin; /* hfreq lower limit (Hz) */
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u32 hfmax; /* hfreq upper limit (Hz) */
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u16 vfmin; /* vfreq lower limit (Hz) */
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u16 vfmax; /* vfreq upper limit (Hz) */
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unsigned dpms : 1; /* supports DPMS */
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};
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#define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */
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#define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */
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#define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */
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#define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */
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#define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */
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#define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */
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#define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */
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#define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */
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#define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */
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struct fb_vblank {
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u32 flags; /* FB_VBLANK flags */
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u32 count; /* counter of retraces since boot */
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u32 vcount; /* current scanline position */
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u32 hcount; /* current scandot position */
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u32 reserved[4]; /* reserved for future compatibility */
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};
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#if 1
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#define FBCMD_GET_CURRENTPAR 0xDEAD0005
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#define FBCMD_SET_CURRENTPAR 0xDEAD8005
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#endif
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/*
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* Hardware Cursor
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*/
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#define FBIOGET_FCURSORINFO 0x4607
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#define FBIOGET_VCURSORINFO 0x4608
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#define FBIOPUT_VCURSORINFO 0x4609
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#define FBIOGET_CURSORSTATE 0x460A
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#define FBIOPUT_CURSORSTATE 0x460B
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struct fb_fix_cursorinfo {
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u16 crsr_width; /* width and height of the cursor in */
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u16 crsr_height; /* pixels (zero if no cursor) */
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u16 crsr_xsize; /* cursor size in display pixels */
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u16 crsr_ysize;
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u16 crsr_color1; /* colormap entry for cursor color1 */
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u16 crsr_color2; /* colormap entry for cursor color2 */
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};
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struct fb_var_cursorinfo {
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u16 width;
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u16 height;
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u16 xspot;
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u16 yspot;
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u8 data[1]; /* field with [height][width] */
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};
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struct fb_cursorstate {
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s16 xoffset;
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s16 yoffset;
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u16 mode;
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};
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struct fb_info {
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char modename[40]; /* default video mode */
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// kdev_t node;
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int flags;
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int open; /* Has this been open already ? */
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struct fb_var_screeninfo var; /* Current var */
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#if 0
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struct fb_fix_screeninfo fix; /* Current fix */
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#endif
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struct fb_monspecs monspecs; /* Current Monitor specs */
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struct fb_cmap cmap; /* Current cmap */
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// struct fb_ops *fbops;
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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 */
|
||||||
|
|
@ -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 */
|
||||||
|
|
@ -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,
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
Loading…
Reference in New Issue