| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _GAMMA_DRM_H_ |
| 2 | #define _GAMMA_DRM_H_ |
| 3 | |
| 4 | typedef struct _drm_gamma_tex_region { |
| 5 | unsigned char next, prev; /* indices to form a circular LRU */ |
| 6 | unsigned char in_use; /* owned by a client, or free? */ |
| 7 | int age; /* tracked by clients to update local LRU's */ |
| 8 | } drm_gamma_tex_region_t; |
| 9 | |
| 10 | typedef struct { |
| 11 | unsigned int GDeltaMode; |
| 12 | unsigned int GDepthMode; |
| 13 | unsigned int GGeometryMode; |
| 14 | unsigned int GTransformMode; |
| 15 | } drm_gamma_context_regs_t; |
| 16 | |
| 17 | typedef struct _drm_gamma_sarea { |
| 18 | drm_gamma_context_regs_t context_state; |
| 19 | |
| 20 | unsigned int dirty; |
| 21 | |
| 22 | |
| 23 | /* Maintain an LRU of contiguous regions of texture space. If |
| 24 | * you think you own a region of texture memory, and it has an |
| 25 | * age different to the one you set, then you are mistaken and |
| 26 | * it has been stolen by another client. If global texAge |
| 27 | * hasn't changed, there is no need to walk the list. |
| 28 | * |
| 29 | * These regions can be used as a proxy for the fine-grained |
| 30 | * texture information of other clients - by maintaining them |
| 31 | * in the same lru which is used to age their own textures, |
| 32 | * clients have an approximate lru for the whole of global |
| 33 | * texture space, and can make informed decisions as to which |
| 34 | * areas to kick out. There is no need to choose whether to |
| 35 | * kick out your own texture or someone else's - simply eject |
| 36 | * them all in LRU order. |
| 37 | */ |
| 38 | |
| 39 | #define GAMMA_NR_TEX_REGIONS 64 |
| 40 | drm_gamma_tex_region_t texList[GAMMA_NR_TEX_REGIONS+1]; |
| 41 | /* Last elt is sentinal */ |
| 42 | int texAge; /* last time texture was uploaded */ |
| 43 | int last_enqueue; /* last time a buffer was enqueued */ |
| 44 | int last_dispatch; /* age of the most recently dispatched buffer */ |
| 45 | int last_quiescent; /* */ |
| 46 | int ctxOwner; /* last context to upload state */ |
| 47 | |
| 48 | int vertex_prim; |
| 49 | } drm_gamma_sarea_t; |
| 50 | |
| 51 | /* WARNING: If you change any of these defines, make sure to change the |
| 52 | * defines in the Xserver file (xf86drmGamma.h) |
| 53 | */ |
| 54 | |
| 55 | /* Gamma specific ioctls |
| 56 | * The device specific ioctl range is 0x40 to 0x79. |
| 57 | */ |
| 58 | #define DRM_IOCTL_GAMMA_INIT DRM_IOW( 0x40, drm_gamma_init_t) |
| 59 | #define DRM_IOCTL_GAMMA_COPY DRM_IOW( 0x41, drm_gamma_copy_t) |
| 60 | |
| 61 | typedef struct drm_gamma_copy { |
| 62 | unsigned int DMAOutputAddress; |
| 63 | unsigned int DMAOutputCount; |
| 64 | unsigned int DMAReadGLINTSource; |
| 65 | unsigned int DMARectangleWriteAddress; |
| 66 | unsigned int DMARectangleWriteLinePitch; |
| 67 | unsigned int DMARectangleWrite; |
| 68 | unsigned int DMARectangleReadAddress; |
| 69 | unsigned int DMARectangleReadLinePitch; |
| 70 | unsigned int DMARectangleRead; |
| 71 | unsigned int DMARectangleReadTarget; |
| 72 | } drm_gamma_copy_t; |
| 73 | |
| 74 | typedef struct drm_gamma_init { |
| 75 | enum { |
| 76 | GAMMA_INIT_DMA = 0x01, |
| 77 | GAMMA_CLEANUP_DMA = 0x02 |
| 78 | } func; |
| 79 | |
| 80 | int sarea_priv_offset; |
| 81 | int pcimode; |
| 82 | unsigned int mmio0; |
| 83 | unsigned int mmio1; |
| 84 | unsigned int mmio2; |
| 85 | unsigned int mmio3; |
| 86 | unsigned int buffers_offset; |
| 87 | int num_rast; |
| 88 | } drm_gamma_init_t; |
| 89 | |
| 90 | #endif /* _GAMMA_DRM_H_ */ |