/* * Copyright 1998-2001, VMware, Inc. * Distributed under the terms of the MIT License. * */ /* * svga_reg.h -- * * SVGA hardware definitions */ #ifndef _SVGA_REG_H_ #define _SVGA_REG_H_ /* * Memory and port addresses and fundamental constants */ /* * Note-- MAX_WIDTH and MAX_HEIGHT are largely ignored by the code. This * isn't such a bad thing for forward compatibility. --Jeremy. */ #define SVGA_MAX_WIDTH 2360 #define SVGA_MAX_HEIGHT 1770 #define SVGA_MAX_BITS_PER_PIXEL 32 #define SVGA_MAX_DEPTH 24 #define SVGA_FB_MAX_SIZE \ ((((SVGA_MAX_WIDTH * SVGA_MAX_HEIGHT * \ SVGA_MAX_BITS_PER_PIXEL / 8) >> PAGE_SHIFT) + 1) << PAGE_SHIFT) #define SVGA_MAX_PSEUDOCOLOR_DEPTH 8 #define SVGA_MAX_PSEUDOCOLORS (1 << SVGA_MAX_PSEUDOCOLOR_DEPTH) #define SVGA_NUM_PALETTE_REGS (3 * SVGA_MAX_PSEUDOCOLORS) #define SVGA_MAGIC 0x900000UL #define SVGA_MAKE_ID(ver) (SVGA_MAGIC << 8 | (ver)) /* Version 2 let the address of the frame buffer be unsigned on Win32 */ #define SVGA_VERSION_2 2 #define SVGA_ID_2 SVGA_MAKE_ID(SVGA_VERSION_2) /* Version 1 has new registers starting with SVGA_REG_CAPABILITIES so PALETTE_BASE has moved */ #define SVGA_VERSION_1 1 #define SVGA_ID_1 SVGA_MAKE_ID(SVGA_VERSION_1) /* Version 0 is the initial version */ #define SVGA_VERSION_0 0 #define SVGA_ID_0 SVGA_MAKE_ID(SVGA_VERSION_0) /* Invalid SVGA_ID_ */ #define SVGA_ID_INVALID 0xFFFFFFFF /* More backwards compatibility, old location of color map: */ #define SVGA_OLD_PALETTE_BASE 17 /* Base and Offset gets us headed the right way for PCI Base Addr Registers */ #define SVGA_LEGACY_BASE_PORT 0x4560 #define SVGA_INDEX_PORT 0x0 #define SVGA_VALUE_PORT 0x1 #define SVGA_BIOS_PORT 0x2 #define SVGA_NUM_PORTS 0x3 /* This port is deprecated, but retained because of old drivers. */ #define SVGA_LEGACY_ACCEL_PORT 0x3 /* Legal values for the SVGA_REG_CURSOR_ON register in cursor bypass mode */ #define SVGA_CURSOR_ON_HIDE 0x0 /* Must be 0 to maintain backward compatibility */ #define SVGA_CURSOR_ON_SHOW 0x1 /* Must be 1 to maintain backward compatibility */ #define SVGA_CURSOR_ON_REMOVE_FROM_FB 0x2 /* Remove the cursor from the framebuffer because we need to see what's under it */ #define SVGA_CURSOR_ON_RESTORE_TO_FB 0x3 /* Put the cursor back in the framebuffer so the user can see it */ /* * Registers */ enum { SVGA_REG_ID = 0, SVGA_REG_ENABLE = 1, SVGA_REG_WIDTH = 2, SVGA_REG_HEIGHT = 3, SVGA_REG_MAX_WIDTH = 4, SVGA_REG_MAX_HEIGHT = 5, SVGA_REG_DEPTH = 6, SVGA_REG_BITS_PER_PIXEL = 7, /* Current bpp in the guest */ SVGA_REG_PSEUDOCOLOR = 8, SVGA_REG_RED_MASK = 9, SVGA_REG_GREEN_MASK = 10, SVGA_REG_BLUE_MASK = 11, SVGA_REG_BYTES_PER_LINE = 12, SVGA_REG_FB_START = 13, SVGA_REG_FB_OFFSET = 14, SVGA_REG_VRAM_SIZE = 15, SVGA_REG_FB_SIZE = 16, /* ID 0 implementation only had the above registers, then the palette */ SVGA_REG_CAPABILITIES = 17, SVGA_REG_MEM_START = 18, /* Memory for command FIFO and bitmaps */ SVGA_REG_MEM_SIZE = 19, SVGA_REG_CONFIG_DONE = 20, /* Set when memory area configured */ SVGA_REG_SYNC = 21, /* Write to force synchronization */ SVGA_REG_BUSY = 22, /* Read to check if sync is done */ SVGA_REG_GUEST_ID = 23, /* Set guest OS identifier */ SVGA_REG_CURSOR_ID = 24, /* ID of cursor */ SVGA_REG_CURSOR_X = 25, /* Set cursor X position */ SVGA_REG_CURSOR_Y = 26, /* Set cursor Y position */ SVGA_REG_CURSOR_ON = 27, /* Turn cursor on/off */ SVGA_REG_HOST_BITS_PER_PIXEL = 28, /* Current bpp in the host */ SVGA_REG_SCRATCH_SIZE = 29, /* Number of scratch registers */ SVGA_REG_MEM_REGS = 30, /* Number of FIFO registers */ SVGA_REG_NUM_DISPLAYS = 31, /* Number of guest displays */ SVGA_REG_PITCHLOCK = 32, /* Fixed pitch for all modes */ SVGA_REG_TOP = 33, /* Must be 1 more than the last register */ SVGA_PALETTE_BASE = 1024, /* Base of SVGA color map */ /* Next 768 (== 256*3) registers exist for colormap */ SVGA_SCRATCH_BASE = SVGA_PALETTE_BASE + SVGA_NUM_PALETTE_REGS /* Base of scratch registers */ /* Next reg[SVGA_REG_SCRATCH_SIZE] registers exist for scratch usage: First 4 are reserved for VESA BIOS Extension; any remaining are for the use of the current SVGA driver. */ }; /* * Capabilities */ #define SVGA_CAP_NONE 0x00000 #define SVGA_CAP_RECT_FILL 0x00001 #define SVGA_CAP_RECT_COPY 0x00002 #define SVGA_CAP_RECT_PAT_FILL 0x00004 #define SVGA_CAP_LEGACY_OFFSCREEN 0x00008 #define SVGA_CAP_RASTER_OP 0x00010 #define SVGA_CAP_CURSOR 0x00020 #define SVGA_CAP_CURSOR_BYPASS 0x00040 #define SVGA_CAP_CURSOR_BYPASS_2 0x00080 #define SVGA_CAP_8BIT_EMULATION 0x00100 #define SVGA_CAP_ALPHA_CURSOR 0x00200 #define SVGA_CAP_GLYPH 0x00400 #define SVGA_CAP_GLYPH_CLIPPING 0x00800 #define SVGA_CAP_OFFSCREEN_1 0x01000 #define SVGA_CAP_ALPHA_BLEND 0x02000 #define SVGA_CAP_3D 0x04000 #define SVGA_CAP_EXTENDED_FIFO 0x08000 #define SVGA_CAP_MULTIMON 0x10000 #define SVGA_CAP_PITCHLOCK 0x20000 /* * Raster op codes (same encoding as X) used by FIFO drivers. */ #define SVGA_ROP_CLEAR 0x00 /* 0 */ #define SVGA_ROP_AND 0x01 /* src AND dst */ #define SVGA_ROP_AND_REVERSE 0x02 /* src AND NOT dst */ #define SVGA_ROP_COPY 0x03 /* src */ #define SVGA_ROP_AND_INVERTED 0x04 /* NOT src AND dst */ #define SVGA_ROP_NOOP 0x05 /* dst */ #define SVGA_ROP_XOR 0x06 /* src XOR dst */ #define SVGA_ROP_OR 0x07 /* src OR dst */ #define SVGA_ROP_NOR 0x08 /* NOT src AND NOT dst */ #define SVGA_ROP_EQUIV 0x09 /* NOT src XOR dst */ #define SVGA_ROP_INVERT 0x0a /* NOT dst */ #define SVGA_ROP_OR_REVERSE 0x0b /* src OR NOT dst */ #define SVGA_ROP_COPY_INVERTED 0x0c /* NOT src */ #define SVGA_ROP_OR_INVERTED 0x0d /* NOT src OR dst */ #define SVGA_ROP_NAND 0x0e /* NOT src OR NOT dst */ #define SVGA_ROP_SET 0x0f /* 1 */ #define SVGA_ROP_UNSUPPORTED 0x10 #define SVGA_NUM_SUPPORTED_ROPS 16 #define SVGA_ROP_ALL (MASK(SVGA_NUM_SUPPORTED_ROPS)) #define SVGA_IS_VALID_ROP(rop) (rop < SVGA_NUM_SUPPORTED_ROPS) /* * Ops * For each pixel, the four channels of the image are computed with: * * C = Ca * Fa + Cb * Fb * * where C, Ca, Cb are the values of the respective channels and Fa * and Fb come from the following table: * * BlendOp Fa Fb * ------------------------------------------ * Clear 0 0 * Src 1 0 * Dst 0 1 * Over 1 1-Aa * OverReverse 1-Ab 1 * In Ab 0 * InReverse 0 Aa * Out 1-Ab 0 * OutReverse 0 1-Aa * Atop Ab 1-Aa * AtopReverse 1-Ab Aa * Xor 1-Ab 1-Aa * Add 1 1 * Saturate min(1,(1-Ab)/Aa) 1 * * Flags * You can use the following flags to achieve additional affects: * * Flag Effect * ------------------------------------------ * ConstantSourceAlpha Ca = Ca * Param0 * ConstantDestAlpha Cb = Cb * Param1 * * Flag effects resolve before the op. For example * BlendOp == Add && Flags == ConstantSourceAlpha | * ConstantDestAlpha results in: * * C = (Ca * Param0) + (Cb * Param1) */ #define SVGA_BLENDOP_CLEAR 0 #define SVGA_BLENDOP_SRC 1 #define SVGA_BLENDOP_DST 2 #define SVGA_BLENDOP_OVER 3 #define SVGA_BLENDOP_OVER_REVERSE 4 #define SVGA_BLENDOP_IN 5 #define SVGA_BLENDOP_IN_REVERSE 6 #define SVGA_BLENDOP_OUT 7 #define SVGA_BLENDOP_OUT_REVERSE 8 #define SVGA_BLENDOP_ATOP 9 #define SVGA_BLENDOP_ATOP_REVERSE 10 #define SVGA_BLENDOP_XOR 11 #define SVGA_BLENDOP_ADD 12 #define SVGA_BLENDOP_SATURATE 13 #define SVGA_NUM_BLENDOPS 14 #define SVGA_IS_VALID_BLENDOP(op) (op >= 0 && op < SVGA_NUM_BLENDOPS) #define SVGA_BLENDFLAG_CONSTANT_SOURCE_ALPHA 0x01 #define SVGA_BLENDFLAG_CONSTANT_DEST_ALPHA 0x02 #define SVGA_NUM_BLENDFLAGS 2 #define SVGA_BLENDFLAG_ALL (MASK(SVGA_NUM_BLENDFLAGS)) #define SVGA_IS_VALID_BLENDFLAG(flag) ((flag & ~SVGA_BLENDFLAG_ALL) == 0) /* * FIFO offsets (viewed as an array of 32-bit words) */ enum { /* * The original defined FIFO offsets */ SVGA_FIFO_MIN = 0, SVGA_FIFO_MAX, /* The distance from MIN to MAX must be at least 10K */ SVGA_FIFO_NEXT_CMD, SVGA_FIFO_STOP, /* * Additional offsets added as of SVGA_CAP_EXTENDED_FIFO */ SVGA_FIFO_CAPABILITIES = 4, SVGA_FIFO_FLAGS, SVGA_FIFO_FENCE, SVGA_FIFO_3D_HWVERSION, /* Check SVGA3dHardwareVersion in svga3d_reg.h */ SVGA_FIFO_PITCHLOCK, /* * Always keep this last. It's not an offset with semantic value, but * rather a convenient way to produce the value of fifo[SVGA_FIFO_NUM_REGS] */ SVGA_FIFO_NUM_REGS }; /* * FIFO Capabilities * * Fence -- Fence register and command are supported * Accel Front -- Front buffer only commands are supported * Pitch Lock -- Pitch lock register is supported */ #define SVGA_FIFO_CAP_NONE 0 #define SVGA_FIFO_CAP_FENCE (1<<0) #define SVGA_FIFO_CAP_ACCELFRONT (1<<1) #define SVGA_FIFO_CAP_PITCHLOCK (1<<2) /* * FIFO Flags * * Accel Front -- Driver should use front buffer only commands */ #define SVGA_FIFO_FLAG_NONE 0 #define SVGA_FIFO_FLAG_ACCELFRONT (1<<0) /* * Drawing object ID's, in the range 0 to SVGA_MAX_ID */ #define SVGA_MAX_ID 499 /* * Macros to compute variable length items (sizes in 32-bit words, except * for SVGA_GLYPH_SCANLINE_SIZE, which is in bytes). */ #define SVGA_BITMAP_SIZE(w,h) ((((w)+31) >> 5) * (h)) #define SVGA_BITMAP_SCANLINE_SIZE(w) (( (w)+31 ) >> 5) #define SVGA_PIXMAP_SIZE(w,h,bpp) ((( ((w)*(bpp))+31 ) >> 5) * (h)) #define SVGA_PIXMAP_SCANLINE_SIZE(w,bpp) (( ((w)*(bpp))+31 ) >> 5) #define SVGA_GLYPH_SIZE(w,h) ((((((w) + 7) >> 3) * (h)) + 3) >> 2) #define SVGA_GLYPH_SCANLINE_SIZE(w) (((w) + 7) >> 3) /* * Increment from one scanline to the next of a bitmap or pixmap */ #define SVGA_BITMAP_INCREMENT(w) ((( (w)+31 ) >> 5) * sizeof (uint32)) #define SVGA_PIXMAP_INCREMENT(w,bpp) ((( ((w)*(bpp))+31 ) >> 5) * sizeof (uint32)) /* * Transparent color for DRAW_GLYPH_CLIPPED */ #define SVGA_COLOR_TRANSPARENT (~0) /* * Commands in the command FIFO */ #define SVGA_CMD_INVALID_CMD 0 /* FIFO layout: (well, undefined) */ #define SVGA_CMD_UPDATE 1 /* FIFO layout: X, Y, Width, Height */ #define SVGA_CMD_RECT_FILL 2 /* FIFO layout: Color, X, Y, Width, Height */ #define SVGA_CMD_RECT_COPY 3 /* FIFO layout: Source X, Source Y, Dest X, Dest Y, Width, Height */ #define SVGA_CMD_DEFINE_BITMAP 4 /* FIFO layout: Pixmap ID, Width, Height, */ #define SVGA_CMD_DEFINE_BITMAP_SCANLINE 5 /* FIFO layout: Pixmap ID, Width, Height, Line #, scanline */ #define SVGA_CMD_DEFINE_PIXMAP 6 /* FIFO layout: Pixmap ID, Width, Height, Depth, */ #define SVGA_CMD_DEFINE_PIXMAP_SCANLINE 7 /* FIFO layout: Pixmap ID, Width, Height, Depth, Line #, scanline */ #define SVGA_CMD_RECT_BITMAP_FILL 8 /* FIFO layout: Bitmap ID, X, Y, Width, Height, Foreground, Background */ #define SVGA_CMD_RECT_PIXMAP_FILL 9 /* FIFO layout: Pixmap ID, X, Y, Width, Height */ #define SVGA_CMD_RECT_BITMAP_COPY 10 /* FIFO layout: Bitmap ID, Source X, Source Y, Dest X, Dest Y, Width, Height, Foreground, Background */ #define SVGA_CMD_RECT_PIXMAP_COPY 11 /* FIFO layout: Pixmap ID, Source X, Source Y, Dest X, Dest Y, Width, Height */ #define SVGA_CMD_FREE_OBJECT 12 /* FIFO layout: Object (pixmap, bitmap, ...) ID */ #define SVGA_CMD_RECT_ROP_FILL 13 /* FIFO layout: Color, X, Y, Width, Height, ROP */ #define SVGA_CMD_RECT_ROP_COPY 14 /* FIFO layout: Source X, Source Y, Dest X, Dest Y, Width, Height, ROP */ #define SVGA_CMD_RECT_ROP_BITMAP_FILL 15 /* FIFO layout: ID, X, Y, Width, Height, Foreground, Background, ROP */ #define SVGA_CMD_RECT_ROP_PIXMAP_FILL 16 /* FIFO layout: ID, X, Y, Width, Height, ROP */ #define SVGA_CMD_RECT_ROP_BITMAP_COPY 17 /* FIFO layout: ID, Source X, Source Y, Dest X, Dest Y, Width, Height, Foreground, Background, ROP */ #define SVGA_CMD_RECT_ROP_PIXMAP_COPY 18 /* FIFO layout: ID, Source X, Source Y, Dest X, Dest Y, Width, Height, ROP */ #define SVGA_CMD_DEFINE_CURSOR 19 /* FIFO layout: ID, Hotspot X, Hotspot Y, Width, Height, Depth for AND mask, Depth for XOR mask, , */ #define SVGA_CMD_DISPLAY_CURSOR 20 /* FIFO layout: ID, On/Off (1 or 0) */ #define SVGA_CMD_MOVE_CURSOR 21 /* FIFO layout: X, Y */ #define SVGA_CMD_DEFINE_ALPHA_CURSOR 22 /* FIFO layout: ID, Hotspot X, Hotspot Y, Width, Height, */ #define SVGA_CMD_DRAW_GLYPH 23 /* FIFO layout: X, Y, W, H, FGCOLOR, */ #define SVGA_CMD_DRAW_GLYPH_CLIPPED 24 /* FIFO layout: X, Y, W, H, FGCOLOR, BGCOLOR, , Transparent color expands are done by setting BGCOLOR to ~0 */ #define SVGA_CMD_UPDATE_VERBOSE 25 /* FIFO layout: X, Y, Width, Height, Reason */ #define SVGA_CMD_SURFACE_FILL 26 /* FIFO layout: color, dstSurfaceOffset, x, y, w, h, rop */ #define SVGA_CMD_SURFACE_COPY 27 /* FIFO layout: srcSurfaceOffset, dstSurfaceOffset, srcX, srcY, destX, destY, w, h, rop */ #define SVGA_CMD_SURFACE_ALPHA_BLEND 28 /* FIFO layout: srcSurfaceOffset, dstSurfaceOffset, srcX, srcY, destX, destY, w, h, op (SVGA_BLENDOP*), flags (SVGA_BLENDFLAGS*), param1, param2 */ #define SVGA_CMD_FRONT_ROP_FILL 29 /* FIFO layout: Color, X, Y, Width, Height, ROP */ #define SVGA_CMD_FENCE 30 /* FIFO layout: Fence value */ #define SVGA_CMD_MAX 31 #define SVGA_CMD_MAX_ARGS 64 /* * Location and size of SVGA frame buffer and the FIFO. */ #define SVGA_VRAM_MAX_SIZE (16 * 1024 * 1024) #define SVGA_VRAM_SIZE_WS (16 * 1024 * 1024) // 16 MB #define SVGA_MEM_SIZE_WS (2 * 1024 * 1024) // 2 MB #define SVGA_VRAM_SIZE_SERVER (4 * 1024 * 1024) // 4 MB #define SVGA_MEM_SIZE_SERVER (256 * 1024) // 256 KB #if /* defined(VMX86_WGS) || */ defined(VMX86_SERVER) #define SVGA_VRAM_SIZE SVGA_VRAM_SIZE_SERVER #define SVGA_MEM_SIZE SVGA_MEM_SIZE_SERVER #else #define SVGA_VRAM_SIZE SVGA_VRAM_SIZE_WS #define SVGA_MEM_SIZE SVGA_MEM_SIZE_WS #endif /* * SVGA_FB_START is the default starting address of the SVGA frame * buffer in the guest's physical address space. * SVGA_FB_START_BIGMEM is the starting address of the SVGA frame * buffer for VMs that have a large amount of physical memory. * * The address of SVGA_FB_START is set to 2GB - (SVGA_FB_MAX_SIZE + SVGA_MEM_SIZE), * thus the SVGA frame buffer sits at [SVGA_FB_START .. 2GB-1] in the * physical address space. Our older SVGA drivers for NT treat the * address of the frame buffer as a signed integer. For backwards * compatibility, we keep the default location of the frame buffer * at under 2GB in the address space. This restricts VMs to have "only" * up to ~2031MB (i.e., up to SVGA_FB_START) of physical memory. * * For VMs that want more memory than the ~2031MB, we place the SVGA * frame buffer at SVGA_FB_START_BIGMEM. This allows VMs to have up * to 3584MB, at least as far as the SVGA frame buffer is concerned * (note that there may be other issues that limit the VM memory * size). PCI devices use high memory addresses, so we have to put * SVGA_FB_START_BIGMEM low enough so that it doesn't overlap with any * of these devices. Placing SVGA_FB_START_BIGMEM at 0xE0000000 * should leave plenty of room for the PCI devices. * * NOTE: All of that is only true for the 0710 chipset. As of the 0405 * chipset, the framebuffer start is determined solely based on the value * the guest BIOS or OS programs into the PCI base address registers. */ #define SVGA_FB_LEGACY_START 0x7EFC0000 #define SVGA_FB_LEGACY_START_BIGMEM 0xE0000000 #endif