X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fchar%2Fdrm%2Fmga_drm.h;h=44d1293e294701b6932bf4c927218e3efb263114;hb=cc169158e75d370ff961e5653a326a7ee1688b6b;hp=521d4451d012fd17dc3d852631535c0403ce6c84;hpb=207e0a826fdee4bfe853681aef2175a739c11286;p=linux-2.6.git diff --git a/drivers/char/drm/mga_drm.h b/drivers/char/drm/mga_drm.h index 521d4451d..44d1293e2 100644 --- a/drivers/char/drm/mga_drm.h +++ b/drivers/char/drm/mga_drm.h @@ -44,10 +44,10 @@ /* WARP pipe flags */ -#define MGA_F 0x1 /* fog */ -#define MGA_A 0x2 /* alpha */ -#define MGA_S 0x4 /* specular */ -#define MGA_T2 0x8 /* multitexture */ +#define MGA_F 0x1 /* fog */ +#define MGA_A 0x2 /* alpha */ +#define MGA_S 0x4 /* specular */ +#define MGA_T2 0x8 /* multitexture */ #define MGA_WARP_TGZ 0 #define MGA_WARP_TGZF (MGA_F) @@ -66,14 +66,15 @@ #define MGA_WARP_T2GZSA (MGA_T2|MGA_S|MGA_A) #define MGA_WARP_T2GZSAF (MGA_T2|MGA_S|MGA_F|MGA_A) -#define MGA_MAX_G200_PIPES 8 /* no multitex */ +#define MGA_MAX_G200_PIPES 8 /* no multitex */ #define MGA_MAX_G400_PIPES 16 #define MGA_MAX_WARP_PIPES MGA_MAX_G400_PIPES -#define MGA_WARP_UCODE_SIZE 32768 /* in bytes */ +#define MGA_WARP_UCODE_SIZE 32768 /* in bytes */ #define MGA_CARD_TYPE_G200 1 #define MGA_CARD_TYPE_G400 2 - +#define MGA_CARD_TYPE_G450 3 /* not currently used */ +#define MGA_CARD_TYPE_G550 4 #define MGA_FRONT 0x1 #define MGA_BACK 0x2 @@ -85,14 +86,14 @@ #define MGA_UPLOAD_TEX0 0x2 #define MGA_UPLOAD_TEX1 0x4 #define MGA_UPLOAD_PIPE 0x8 -#define MGA_UPLOAD_TEX0IMAGE 0x10 /* handled client-side */ -#define MGA_UPLOAD_TEX1IMAGE 0x20 /* handled client-side */ +#define MGA_UPLOAD_TEX0IMAGE 0x10 /* handled client-side */ +#define MGA_UPLOAD_TEX1IMAGE 0x20 /* handled client-side */ #define MGA_UPLOAD_2D 0x40 -#define MGA_WAIT_AGE 0x80 /* handled client-side */ -#define MGA_UPLOAD_CLIPRECTS 0x100 /* handled client-side */ +#define MGA_WAIT_AGE 0x80 /* handled client-side */ +#define MGA_UPLOAD_CLIPRECTS 0x100 /* handled client-side */ #if 0 -#define MGA_DMA_FLUSH 0x200 /* set when someone gets the lock - quiescent */ +#define MGA_DMA_FLUSH 0x200 /* set when someone gets the lock + quiescent */ #endif /* 32 buffers of 64k each, total 2 meg. @@ -119,8 +120,7 @@ #define DRM_MGA_IDLE_RETRY 2048 -#endif /* __MGA_SAREA_DEFINES__ */ - +#endif /* __MGA_SAREA_DEFINES__ */ /* Setup registers for 3D context */ @@ -164,25 +164,25 @@ typedef struct { /* General aging mechanism */ typedef struct { - unsigned int head; /* Position of head pointer */ - unsigned int wrap; /* Primary DMA wrap count */ + unsigned int head; /* Position of head pointer */ + unsigned int wrap; /* Primary DMA wrap count */ } drm_mga_age_t; typedef struct _drm_mga_sarea { /* The channel for communication of state information to the kernel * on firing a vertex dma buffer. */ - drm_mga_context_regs_t context_state; - drm_mga_server_regs_t server_state; - drm_mga_texture_regs_t tex_state[2]; - unsigned int warp_pipe; - unsigned int dirty; - unsigned int vertsize; + drm_mga_context_regs_t context_state; + drm_mga_server_regs_t server_state; + drm_mga_texture_regs_t tex_state[2]; + unsigned int warp_pipe; + unsigned int dirty; + unsigned int vertsize; /* The current cliprects, or a subset thereof. */ - drm_clip_rect_t boxes[MGA_NR_SAREA_CLIPRECTS]; - unsigned int nbox; + drm_clip_rect_t boxes[MGA_NR_SAREA_CLIPRECTS]; + unsigned int nbox; /* Information about the most recently used 3d drawable. The * client fills in the req_* fields, the server fills in the @@ -191,18 +191,18 @@ typedef struct _drm_mga_sarea { * The client clears the exported_drawable field before * clobbering the boxes data. */ - unsigned int req_drawable; /* the X drawable id */ - unsigned int req_draw_buffer; /* MGA_FRONT or MGA_BACK */ + unsigned int req_drawable; /* the X drawable id */ + unsigned int req_draw_buffer; /* MGA_FRONT or MGA_BACK */ - unsigned int exported_drawable; + unsigned int exported_drawable; unsigned int exported_index; - unsigned int exported_stamp; - unsigned int exported_buffers; - unsigned int exported_nfront; - unsigned int exported_nback; + unsigned int exported_stamp; + unsigned int exported_buffers; + unsigned int exported_nfront; + unsigned int exported_nback; int exported_back_x, exported_front_x, exported_w; int exported_back_y, exported_front_y, exported_h; - drm_clip_rect_t exported_boxes[MGA_NR_SAREA_CLIPRECTS]; + drm_clip_rect_t exported_boxes[MGA_NR_SAREA_CLIPRECTS]; /* Counters for aging textures and for client-side throttling. */ @@ -210,25 +210,20 @@ typedef struct _drm_mga_sarea { unsigned int last_wrap; drm_mga_age_t last_frame; - unsigned int last_enqueue; /* last time a buffer was enqueued */ + unsigned int last_enqueue; /* last time a buffer was enqueued */ unsigned int last_dispatch; /* age of the most recently dispatched buffer */ - unsigned int last_quiescent; /* */ + unsigned int last_quiescent; /* */ /* LRU lists for texture memory in agp space and on the card. */ - drm_tex_region_t texList[MGA_NR_TEX_HEAPS][MGA_NR_TEX_REGIONS+1]; + drm_tex_region_t texList[MGA_NR_TEX_HEAPS][MGA_NR_TEX_REGIONS + 1]; unsigned int texAge[MGA_NR_TEX_HEAPS]; /* Mechanism to validate card state. */ - int ctxOwner; + int ctxOwner; } drm_mga_sarea_t; - -/* WARNING: If you change any of these defines, make sure to change the - * defines in the Xserver file (xf86drmMga.h) - */ - /* MGA specific ioctls * The device specific ioctl range is 0x40 to 0x79. */ @@ -243,6 +238,13 @@ typedef struct _drm_mga_sarea { #define DRM_MGA_BLIT 0x08 #define DRM_MGA_GETPARAM 0x09 +/* 3.2: + * ioctls for operating on fences. + */ +#define DRM_MGA_SET_FENCE 0x0a +#define DRM_MGA_WAIT_FENCE 0x0b +#define DRM_MGA_DMA_BOOTSTRAP 0x0c + #define DRM_IOCTL_MGA_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_INIT, drm_mga_init_t) #define DRM_IOCTL_MGA_FLUSH DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_FLUSH, drm_lock_t) #define DRM_IOCTL_MGA_RESET DRM_IO( DRM_COMMAND_BASE + DRM_MGA_RESET) @@ -253,35 +255,38 @@ typedef struct _drm_mga_sarea { #define DRM_IOCTL_MGA_ILOAD DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_ILOAD, drm_mga_iload_t) #define DRM_IOCTL_MGA_BLIT DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_BLIT, drm_mga_blit_t) #define DRM_IOCTL_MGA_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_GETPARAM, drm_mga_getparam_t) +#define DRM_IOCTL_MGA_SET_FENCE DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_SET_FENCE, uint32_t) +#define DRM_IOCTL_MGA_WAIT_FENCE DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_WAIT_FENCE, uint32_t) +#define DRM_IOCTL_MGA_DMA_BOOTSTRAP DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_DMA_BOOTSTRAP, drm_mga_dma_bootstrap_t) typedef struct _drm_mga_warp_index { - int installed; - unsigned long phys_addr; - int size; + int installed; + unsigned long phys_addr; + int size; } drm_mga_warp_index_t; typedef struct drm_mga_init { - enum { - MGA_INIT_DMA = 0x01, - MGA_CLEANUP_DMA = 0x02 + enum { + MGA_INIT_DMA = 0x01, + MGA_CLEANUP_DMA = 0x02 } func; - unsigned long sarea_priv_offset; + unsigned long sarea_priv_offset; int chipset; - int sgram; + int sgram; unsigned int maccess; - unsigned int fb_cpp; + unsigned int fb_cpp; unsigned int front_offset, front_pitch; - unsigned int back_offset, back_pitch; + unsigned int back_offset, back_pitch; - unsigned int depth_cpp; - unsigned int depth_offset, depth_pitch; + unsigned int depth_cpp; + unsigned int depth_offset, depth_pitch; - unsigned int texture_offset[MGA_NR_TEX_HEAPS]; - unsigned int texture_size[MGA_NR_TEX_HEAPS]; + unsigned int texture_offset[MGA_NR_TEX_HEAPS]; + unsigned int texture_size[MGA_NR_TEX_HEAPS]; unsigned long fb_offset; unsigned long mmio_offset; @@ -291,12 +296,67 @@ typedef struct drm_mga_init { unsigned long buffers_offset; } drm_mga_init_t; -typedef struct drm_mga_fullscreen { - enum { - MGA_INIT_FULLSCREEN = 0x01, - MGA_CLEANUP_FULLSCREEN = 0x02 - } func; -} drm_mga_fullscreen_t; +typedef struct drm_mga_dma_bootstrap { + /** + * \name AGP texture region + * + * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, these fields will + * be filled in with the actual AGP texture settings. + * + * \warning + * If these fields are non-zero, but dma_mga_dma_bootstrap::agp_mode + * is zero, it means that PCI memory (most likely through the use of + * an IOMMU) is being used for "AGP" textures. + */ + /*@{ */ + unsigned long texture_handle; /**< Handle used to map AGP textures. */ + uint32_t texture_size; /**< Size of the AGP texture region. */ + /*@} */ + + /** + * Requested size of the primary DMA region. + * + * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, this field will be + * filled in with the actual AGP mode. If AGP was not available + */ + uint32_t primary_size; + + /** + * Requested number of secondary DMA buffers. + * + * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, this field will be + * filled in with the actual number of secondary DMA buffers + * allocated. Particularly when PCI DMA is used, this may be + * (subtantially) less than the number requested. + */ + uint32_t secondary_bin_count; + + /** + * Requested size of each secondary DMA buffer. + * + * While the kernel \b is free to reduce + * dma_mga_dma_bootstrap::secondary_bin_count, it is \b not allowed + * to reduce dma_mga_dma_bootstrap::secondary_bin_size. + */ + uint32_t secondary_bin_size; + + /** + * Bit-wise mask of AGPSTAT2_* values. Currently only \c AGPSTAT2_1X, + * \c AGPSTAT2_2X, and \c AGPSTAT2_4X are supported. If this value is + * zero, it means that PCI DMA should be used, even if AGP is + * possible. + * + * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, this field will be + * filled in with the actual AGP mode. If AGP was not available + * (i.e., PCI DMA was used), this value will be zero. + */ + uint32_t agp_mode; + + /** + * Desired AGP GART size, measured in megabytes. + */ + uint8_t agp_size; +} drm_mga_dma_bootstrap_t; typedef struct drm_mga_clear { unsigned int flags; @@ -307,16 +367,16 @@ typedef struct drm_mga_clear { } drm_mga_clear_t; typedef struct drm_mga_vertex { - int idx; /* buffer to queue */ - int used; /* bytes in use */ - int discard; /* client finished with buffer? */ + int idx; /* buffer to queue */ + int used; /* bytes in use */ + int discard; /* client finished with buffer? */ } drm_mga_vertex_t; typedef struct drm_mga_indices { - int idx; /* buffer to queue */ + int idx; /* buffer to queue */ unsigned int start; unsigned int end; - int discard; /* client finished with buffer? */ + int discard; /* client finished with buffer? */ } drm_mga_indices_t; typedef struct drm_mga_iload { @@ -332,15 +392,23 @@ typedef struct _drm_mga_blit { int src_pitch, dst_pitch; int delta_sx, delta_sy; int delta_dx, delta_dy; - int height, ydir; /* flip image vertically */ + int height, ydir; /* flip image vertically */ int source_pitch, dest_pitch; } drm_mga_blit_t; /* 3.1: An ioctl to get parameters that aren't available to the 3d - * client any other way. + * client any other way. */ #define MGA_PARAM_IRQ_NR 1 +/* 3.2: Query the actual card type. The DDX only distinguishes between + * G200 chips and non-G200 chips, which it calls G400. It turns out that + * there are some very sublte differences between the G4x0 chips and the G550 + * chips. Using this parameter query, a client-side driver can detect the + * difference between a G4x0 and a G550. + */ +#define MGA_PARAM_CARD_TYPE 2 + typedef struct drm_mga_getparam { int param; void __user *value;