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Diffstat (limited to 'include/drm/mga_drm.h')
| -rw-r--r-- | include/drm/mga_drm.h | 419 |
1 files changed, 419 insertions, 0 deletions
diff --git a/include/drm/mga_drm.h b/include/drm/mga_drm.h new file mode 100644 index 00000000..52632bba --- /dev/null +++ b/include/drm/mga_drm.h @@ -0,0 +1,419 @@ +/* mga_drm.h -- Public header for the Matrox g200/g400 driver -*- linux-c -*- + * Created: Tue Jan 25 01:50:01 1999 by jhartmann@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * 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, sublicense, + * 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 NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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. + * + * Authors: + * Jeff Hartmann <jhartmann@valinux.com> + * Keith Whitwell <keith@tungstengraphics.com> + * + * Rewritten by: + * Gareth Hughes <gareth@valinux.com> + */ + +#ifndef __MGA_DRM_H__ +#define __MGA_DRM_H__ + +#include <linux/types.h> + +/* WARNING: If you change any of these defines, make sure to change the + * defines in the Xserver file (mga_sarea.h) + */ + +#ifndef __MGA_SAREA_DEFINES__ +#define __MGA_SAREA_DEFINES__ + +/* 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_WARP_TGZ 0 +#define MGA_WARP_TGZF (MGA_F) +#define MGA_WARP_TGZA (MGA_A) +#define MGA_WARP_TGZAF (MGA_F|MGA_A) +#define MGA_WARP_TGZS (MGA_S) +#define MGA_WARP_TGZSF (MGA_S|MGA_F) +#define MGA_WARP_TGZSA (MGA_S|MGA_A) +#define MGA_WARP_TGZSAF (MGA_S|MGA_F|MGA_A) +#define MGA_WARP_T2GZ (MGA_T2) +#define MGA_WARP_T2GZF (MGA_T2|MGA_F) +#define MGA_WARP_T2GZA (MGA_T2|MGA_A) +#define MGA_WARP_T2GZAF (MGA_T2|MGA_A|MGA_F) +#define MGA_WARP_T2GZS (MGA_T2|MGA_S) +#define MGA_WARP_T2GZSF (MGA_T2|MGA_S|MGA_F) +#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_G400_PIPES 16 +#define MGA_MAX_WARP_PIPES MGA_MAX_G400_PIPES +#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 +#define MGA_DEPTH 0x4 + +/* What needs to be changed for the current vertex dma buffer? + */ +#define MGA_UPLOAD_CONTEXT 0x1 +#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_2D 0x40 +#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 */ +#endif + +/* 32 buffers of 64k each, total 2 meg. + */ +#define MGA_BUFFER_SIZE (1 << 16) +#define MGA_NUM_BUFFERS 128 + +/* Keep these small for testing. + */ +#define MGA_NR_SAREA_CLIPRECTS 8 + +/* 2 heaps (1 for card, 1 for agp), each divided into upto 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 MGA_CARD_HEAP 0 +#define MGA_AGP_HEAP 1 +#define MGA_NR_TEX_HEAPS 2 +#define MGA_NR_TEX_REGIONS 16 +#define MGA_LOG_MIN_TEX_REGION_SIZE 16 + +#define DRM_MGA_IDLE_RETRY 2048 + +#endif /* __MGA_SAREA_DEFINES__ */ + +/* Setup registers for 3D context + */ +typedef struct { + unsigned int dstorg; + unsigned int maccess; + unsigned int plnwt; + unsigned int dwgctl; + unsigned int alphactrl; + unsigned int fogcolor; + unsigned int wflag; + unsigned int tdualstage0; + unsigned int tdualstage1; + unsigned int fcol; + unsigned int stencil; + unsigned int stencilctl; +} drm_mga_context_regs_t; + +/* Setup registers for 2D, X server + */ +typedef struct { + unsigned int pitch; +} drm_mga_server_regs_t; + +/* Setup registers for each texture unit + */ +typedef struct { + unsigned int texctl; + unsigned int texctl2; + unsigned int texfilter; + unsigned int texbordercol; + unsigned int texorg; + unsigned int texwidth; + unsigned int texheight; + unsigned int texorg1; + unsigned int texorg2; + unsigned int texorg3; + unsigned int texorg4; +} drm_mga_texture_regs_t; + +/* General aging mechanism + */ +typedef struct { + 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; + + /* The current cliprects, or a subset thereof. + */ + struct drm_clip_rect 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 + * exported_ fields and puts the cliprects into boxes, above. + * + * 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 exported_drawable; + unsigned int exported_index; + 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; + struct drm_clip_rect exported_boxes[MGA_NR_SAREA_CLIPRECTS]; + + /* Counters for aging textures and for client-side throttling. + */ + unsigned int status[4]; + unsigned int last_wrap; + + drm_mga_age_t last_frame; + 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; /* */ + + /* LRU lists for texture memory in agp space and on the card. + */ + struct drm_tex_region texList[MGA_NR_TEX_HEAPS][MGA_NR_TEX_REGIONS + 1]; + unsigned int texAge[MGA_NR_TEX_HEAPS]; + + /* Mechanism to validate card state. + */ + int ctxOwner; +} drm_mga_sarea_t; + +/* MGA specific ioctls + * The device specific ioctl range is 0x40 to 0x79. + */ +#define DRM_MGA_INIT 0x00 +#define DRM_MGA_FLUSH 0x01 +#define DRM_MGA_RESET 0x02 +#define DRM_MGA_SWAP 0x03 +#define DRM_MGA_CLEAR 0x04 +#define DRM_MGA_VERTEX 0x05 +#define DRM_MGA_INDICES 0x06 +#define DRM_MGA_ILOAD 0x07 +#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) +#define DRM_IOCTL_MGA_SWAP DRM_IO( DRM_COMMAND_BASE + DRM_MGA_SWAP) +#define DRM_IOCTL_MGA_CLEAR DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_CLEAR, drm_mga_clear_t) +#define DRM_IOCTL_MGA_VERTEX DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_VERTEX, drm_mga_vertex_t) +#define DRM_IOCTL_MGA_INDICES DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_INDICES, drm_mga_indices_t) +#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, __u32) +#define DRM_IOCTL_MGA_WAIT_FENCE DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_WAIT_FENCE, __u32) +#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; +} drm_mga_warp_index_t; + +typedef struct drm_mga_init { + enum { + MGA_INIT_DMA = 0x01, + MGA_CLEANUP_DMA = 0x02 + } func; + + unsigned long sarea_priv_offset; + + int chipset; + int sgram; + + unsigned int maccess; + + unsigned int fb_cpp; + unsigned int front_offset, front_pitch; + unsigned int back_offset, back_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 long fb_offset; + unsigned long mmio_offset; + unsigned long status_offset; + unsigned long warp_offset; + unsigned long primary_offset; + unsigned long buffers_offset; +} drm_mga_init_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. */ + __u32 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 + */ + __u32 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. + */ + __u32 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. + */ + __u32 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. + */ + __u32 agp_mode; + + /** + * Desired AGP GART size, measured in megabytes. + */ + __u8 agp_size; +} drm_mga_dma_bootstrap_t; + +typedef struct drm_mga_clear { + unsigned int flags; + unsigned int clear_color; + unsigned int clear_depth; + unsigned int color_mask; + unsigned int depth_mask; +} 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? */ +} drm_mga_vertex_t; + +typedef struct drm_mga_indices { + int idx; /* buffer to queue */ + unsigned int start; + unsigned int end; + int discard; /* client finished with buffer? */ +} drm_mga_indices_t; + +typedef struct drm_mga_iload { + int idx; + unsigned int dstorg; + unsigned int length; +} drm_mga_iload_t; + +typedef struct _drm_mga_blit { + unsigned int planemask; + unsigned int srcorg; + unsigned int dstorg; + int src_pitch, dst_pitch; + int delta_sx, delta_sy; + int delta_dx, delta_dy; + 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. + */ +#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 *value; +} drm_mga_getparam_t; + +#endif |