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savage_drm.h
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/* savage_drm.h -- Public header for the savage driver * * Copyright 2004 Felix Kuehling * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sub license, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NON-INFRINGEMENT. IN NO EVENT SHALL FELIX KUEHLING BE LIABLE FOR * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef __SAVAGE_DRM_H__ #define __SAVAGE_DRM_H__ #include "drm.h" #if defined(__cplusplus) extern "C" { #endif #ifndef __SAVAGE_SAREA_DEFINES__ #define __SAVAGE_SAREA_DEFINES__ /* 2 heaps (1 for card, 1 for agp), each divided into up to 128 * regions, subject to a minimum region size of (1<<16) == 64k. * * Clients may subdivide regions internally, but when sharing between * clients, the region size is the minimum granularity. */ #define SAVAGE_CARD_HEAP 0 #define SAVAGE_AGP_HEAP 1 #define SAVAGE_NR_TEX_HEAPS 2 #define SAVAGE_NR_TEX_REGIONS 16 #define SAVAGE_LOG_MIN_TEX_REGION_SIZE 16 #endif /* __SAVAGE_SAREA_DEFINES__ */ typedef struct _drm_savage_sarea { /* LRU lists for texture memory in agp space and on the card. */ struct drm_tex_region texList[SAVAGE_NR_TEX_HEAPS][SAVAGE_NR_TEX_REGIONS + 1]; unsigned int texAge[SAVAGE_NR_TEX_HEAPS]; /* Mechanism to validate card state. */ int ctxOwner; } drm_savage_sarea_t, *drm_savage_sarea_ptr; /* Savage-specific ioctls */ #define DRM_SAVAGE_BCI_INIT 0x00 #define DRM_SAVAGE_BCI_CMDBUF 0x01 #define DRM_SAVAGE_BCI_EVENT_EMIT 0x02 #define DRM_SAVAGE_BCI_EVENT_WAIT 0x03 #define DRM_IOCTL_SAVAGE_BCI_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_SAVAGE_BCI_INIT, drm_savage_init_t) #define DRM_IOCTL_SAVAGE_BCI_CMDBUF DRM_IOW( DRM_COMMAND_BASE + DRM_SAVAGE_BCI_CMDBUF, drm_savage_cmdbuf_t) #define DRM_IOCTL_SAVAGE_BCI_EVENT_EMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_SAVAGE_BCI_EVENT_EMIT, drm_savage_event_emit_t) #define DRM_IOCTL_SAVAGE_BCI_EVENT_WAIT DRM_IOW( DRM_COMMAND_BASE + DRM_SAVAGE_BCI_EVENT_WAIT, drm_savage_event_wait_t) #define SAVAGE_DMA_PCI 1 #define SAVAGE_DMA_AGP 3 typedef struct drm_savage_init { enum { SAVAGE_INIT_BCI = 1, SAVAGE_CLEANUP_BCI = 2 } func; unsigned int sarea_priv_offset; /* some parameters */ unsigned int cob_size; unsigned int bci_threshold_lo, bci_threshold_hi; unsigned int dma_type; /* frame buffer layout */ unsigned int fb_bpp; unsigned int front_offset, front_pitch; unsigned int back_offset, back_pitch; unsigned int depth_bpp; unsigned int depth_offset, depth_pitch; /* local textures */ unsigned int texture_offset; unsigned int texture_size; /* physical locations of non-permanent maps */ unsigned long status_offset; unsigned long buffers_offset; unsigned long agp_textures_offset; unsigned long cmd_dma_offset; } drm_savage_init_t; typedef union drm_savage_cmd_header drm_savage_cmd_header_t; typedef struct drm_savage_cmdbuf { /* command buffer in client's address space */ drm_savage_cmd_header_t *cmd_addr; unsigned int size; /* size of the command buffer in 64bit units */ unsigned int dma_idx; /* DMA buffer index to use */ int discard; /* discard DMA buffer when done */ /* vertex buffer in client's address space */ unsigned int *vb_addr; unsigned int vb_size; /* size of client vertex buffer in bytes */ unsigned int vb_stride; /* stride of vertices in 32bit words */ /* boxes in client's address space */ struct drm_clip_rect *box_addr; unsigned int nbox; /* number of clipping boxes */ } drm_savage_cmdbuf_t; #define SAVAGE_WAIT_2D 0x1 /* wait for 2D idle before updating event tag */ #define SAVAGE_WAIT_3D 0x2 /* wait for 3D idle before updating event tag */ #define SAVAGE_WAIT_IRQ 0x4 /* emit or wait for IRQ, not implemented yet */ typedef struct drm_savage_event { unsigned int count; unsigned int flags; } drm_savage_event_emit_t, drm_savage_event_wait_t; /* Commands for the cmdbuf ioctl */ #define SAVAGE_CMD_STATE 0 /* a range of state registers */ #define SAVAGE_CMD_DMA_PRIM 1 /* vertices from DMA buffer */ #define SAVAGE_CMD_VB_PRIM 2 /* vertices from client vertex buffer */ #define SAVAGE_CMD_DMA_IDX 3 /* indexed vertices from DMA buffer */ #define SAVAGE_CMD_VB_IDX 4 /* indexed vertices client vertex buffer */ #define SAVAGE_CMD_CLEAR 5 /* clear buffers */ #define SAVAGE_CMD_SWAP 6 /* swap buffers */ /* Primitive types */ #define SAVAGE_PRIM_TRILIST 0 /* triangle list */ #define SAVAGE_PRIM_TRISTRIP 1 /* triangle strip */ #define SAVAGE_PRIM_TRIFAN 2 /* triangle fan */ #define SAVAGE_PRIM_TRILIST_201 3 /* reorder verts for correct flat * shading on s3d */ /* Skip flags (vertex format) */ #define SAVAGE_SKIP_Z 0x01 #define SAVAGE_SKIP_W 0x02 #define SAVAGE_SKIP_C0 0x04 #define SAVAGE_SKIP_C1 0x08 #define SAVAGE_SKIP_S0 0x10 #define SAVAGE_SKIP_T0 0x20 #define SAVAGE_SKIP_ST0 0x30 #define SAVAGE_SKIP_S1 0x40 #define SAVAGE_SKIP_T1 0x80 #define SAVAGE_SKIP_ST1 0xc0 #define SAVAGE_SKIP_ALL_S3D 0x3f #define SAVAGE_SKIP_ALL_S4 0xff /* Buffer names for clear command */ #define SAVAGE_FRONT 0x1 #define SAVAGE_BACK 0x2 #define SAVAGE_DEPTH 0x4 /* 64-bit command header */ union drm_savage_cmd_header { struct { unsigned char cmd; /* command */ unsigned char pad0; unsigned short pad1; unsigned short pad2; unsigned short pad3; } cmd; /* generic */ struct { unsigned char cmd; unsigned char global; /* need idle engine? */ unsigned short count; /* number of consecutive registers */ unsigned short start; /* first register */ unsigned short pad3; } state; /* SAVAGE_CMD_STATE */ struct { unsigned char cmd; unsigned char prim; /* primitive type */ unsigned short skip; /* vertex format (skip flags) */ unsigned short count; /* number of vertices */ unsigned short start; /* first vertex in DMA/vertex buffer */ } prim; /* SAVAGE_CMD_DMA_PRIM, SAVAGE_CMD_VB_PRIM */ struct { unsigned char cmd; unsigned char prim; unsigned short skip; unsigned short count; /* number of indices that follow */ unsigned short pad3; } idx; /* SAVAGE_CMD_DMA_IDX, SAVAGE_CMD_VB_IDX */ struct { unsigned char cmd; unsigned char pad0; unsigned short pad1; unsigned int flags; } clear0; /* SAVAGE_CMD_CLEAR */ struct { unsigned int mask; unsigned int value; } clear1; /* SAVAGE_CMD_CLEAR data */ }; #if defined(__cplusplus) } #endif #endif