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Diffstat (limited to 'include/drm/mach64_drm.h')
| -rw-r--r-- | include/drm/mach64_drm.h | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/include/drm/mach64_drm.h b/include/drm/mach64_drm.h new file mode 100644 index 0000000..1f5fd84 --- /dev/null +++ b/include/drm/mach64_drm.h @@ -0,0 +1,256 @@ +/* mach64_drm.h -- Public header for the mach64 driver -*- linux-c -*- + * Created: Thu Nov 30 20:04:32 2000 by gareth@valinux.com + */ +/* + * Copyright 2000 Gareth Hughes + * Copyright 2002 Frank C. Earl + * Copyright 2002-2003 Leif Delgass + * 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 + * THE COPYRIGHT OWNER(S) 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: + * Gareth Hughes <gareth@valinux.com> + * Frank C. Earl <fearl@airmail.net> + * Leif Delgass <ldelgass@retinalburn.net> + */ + +#ifndef __MACH64_DRM_H__ +#define __MACH64_DRM_H__ + +/* WARNING: If you change any of these defines, make sure to change the + * defines in the Xserver file (mach64_sarea.h) + */ +#ifndef __MACH64_SAREA_DEFINES__ +#define __MACH64_SAREA_DEFINES__ + +/* What needs to be changed for the current vertex buffer? + * GH: We're going to be pedantic about this. We want the card to do as + * little as possible, so let's avoid having it fetch a whole bunch of + * register values that don't change all that often, if at all. + */ +#define MACH64_UPLOAD_DST_OFF_PITCH 0x0001 +#define MACH64_UPLOAD_Z_OFF_PITCH 0x0002 +#define MACH64_UPLOAD_Z_ALPHA_CNTL 0x0004 +#define MACH64_UPLOAD_SCALE_3D_CNTL 0x0008 +#define MACH64_UPLOAD_DP_FOG_CLR 0x0010 +#define MACH64_UPLOAD_DP_WRITE_MASK 0x0020 +#define MACH64_UPLOAD_DP_PIX_WIDTH 0x0040 +#define MACH64_UPLOAD_SETUP_CNTL 0x0080 +#define MACH64_UPLOAD_MISC 0x0100 +#define MACH64_UPLOAD_TEXTURE 0x0200 +#define MACH64_UPLOAD_TEX0IMAGE 0x0400 +#define MACH64_UPLOAD_TEX1IMAGE 0x0800 +#define MACH64_UPLOAD_CLIPRECTS 0x1000 /* handled client-side */ +#define MACH64_UPLOAD_CONTEXT 0x00ff +#define MACH64_UPLOAD_ALL 0x1fff + +/* DMA buffer size + */ +#define MACH64_BUFFER_SIZE 16384 + +/* Max number of swaps allowed on the ring + * before the client must wait + */ +#define MACH64_MAX_QUEUED_FRAMES 3U + +/* Byte offsets for host blit buffer data + */ +#define MACH64_HOSTDATA_BLIT_OFFSET 104 + +/* Keep these small for testing. + */ +#define MACH64_NR_SAREA_CLIPRECTS 8 + +#define MACH64_CARD_HEAP 0 +#define MACH64_AGP_HEAP 1 +#define MACH64_NR_TEX_HEAPS 2 +#define MACH64_NR_TEX_REGIONS 64 +#define MACH64_LOG_TEX_GRANULARITY 16 + +#define MACH64_TEX_MAXLEVELS 1 + +#define MACH64_NR_CONTEXT_REGS 15 +#define MACH64_NR_TEXTURE_REGS 4 + +#endif /* __MACH64_SAREA_DEFINES__ */ + +typedef struct { + unsigned int dst_off_pitch; + + unsigned int z_off_pitch; + unsigned int z_cntl; + unsigned int alpha_tst_cntl; + + unsigned int scale_3d_cntl; + + unsigned int sc_left_right; + unsigned int sc_top_bottom; + + unsigned int dp_fog_clr; + unsigned int dp_write_mask; + unsigned int dp_pix_width; + unsigned int dp_mix; + unsigned int dp_src; + + unsigned int clr_cmp_cntl; + unsigned int gui_traj_cntl; + + unsigned int setup_cntl; + + unsigned int tex_size_pitch; + unsigned int tex_cntl; + unsigned int secondary_tex_off; + unsigned int tex_offset; +} drm_mach64_context_regs_t; + +typedef struct drm_mach64_sarea { + /* The channel for communication of state information to the kernel + * on firing a vertex dma buffer. + */ + drm_mach64_context_regs_t context_state; + unsigned int dirty; + unsigned int vertsize; + + /* The current cliprects, or a subset thereof. + */ + struct drm_clip_rect boxes[MACH64_NR_SAREA_CLIPRECTS]; + unsigned int nbox; + + /* Counters for client-side throttling of rendering clients. + */ + unsigned int frames_queued; + + /* Texture memory LRU. + */ + struct drm_tex_region tex_list[MACH64_NR_TEX_HEAPS][MACH64_NR_TEX_REGIONS + + 1]; + unsigned int tex_age[MACH64_NR_TEX_HEAPS]; + int ctx_owner; +} drm_mach64_sarea_t; + +/* WARNING: If you change any of these defines, make sure to change the + * defines in the Xserver file (mach64_common.h) + */ + +/* Mach64 specific ioctls + * The device specific ioctl range is 0x40 to 0x79. + */ + +#define DRM_MACH64_INIT 0x00 +#define DRM_MACH64_IDLE 0x01 +#define DRM_MACH64_RESET 0x02 +#define DRM_MACH64_SWAP 0x03 +#define DRM_MACH64_CLEAR 0x04 +#define DRM_MACH64_VERTEX 0x05 +#define DRM_MACH64_BLIT 0x06 +#define DRM_MACH64_FLUSH 0x07 +#define DRM_MACH64_GETPARAM 0x08 + +#define DRM_IOCTL_MACH64_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_MACH64_INIT, drm_mach64_init_t) +#define DRM_IOCTL_MACH64_IDLE DRM_IO( DRM_COMMAND_BASE + DRM_MACH64_IDLE ) +#define DRM_IOCTL_MACH64_RESET DRM_IO( DRM_COMMAND_BASE + DRM_MACH64_RESET ) +#define DRM_IOCTL_MACH64_SWAP DRM_IO( DRM_COMMAND_BASE + DRM_MACH64_SWAP ) +#define DRM_IOCTL_MACH64_CLEAR DRM_IOW( DRM_COMMAND_BASE + DRM_MACH64_CLEAR, drm_mach64_clear_t) +#define DRM_IOCTL_MACH64_VERTEX DRM_IOW( DRM_COMMAND_BASE + DRM_MACH64_VERTEX, drm_mach64_vertex_t) +#define DRM_IOCTL_MACH64_BLIT DRM_IOW( DRM_COMMAND_BASE + DRM_MACH64_BLIT, drm_mach64_blit_t) +#define DRM_IOCTL_MACH64_FLUSH DRM_IO( DRM_COMMAND_BASE + DRM_MACH64_FLUSH ) +#define DRM_IOCTL_MACH64_GETPARAM DRM_IOWR( DRM_COMMAND_BASE + DRM_MACH64_GETPARAM, drm_mach64_getparam_t) + +/* Buffer flags for clears + */ +#define MACH64_FRONT 0x1 +#define MACH64_BACK 0x2 +#define MACH64_DEPTH 0x4 + +/* Primitive types for vertex buffers + */ +#define MACH64_PRIM_POINTS 0x00000000 +#define MACH64_PRIM_LINES 0x00000001 +#define MACH64_PRIM_LINE_LOOP 0x00000002 +#define MACH64_PRIM_LINE_STRIP 0x00000003 +#define MACH64_PRIM_TRIANGLES 0x00000004 +#define MACH64_PRIM_TRIANGLE_STRIP 0x00000005 +#define MACH64_PRIM_TRIANGLE_FAN 0x00000006 +#define MACH64_PRIM_QUADS 0x00000007 +#define MACH64_PRIM_QUAD_STRIP 0x00000008 +#define MACH64_PRIM_POLYGON 0x00000009 + +typedef enum _drm_mach64_dma_mode_t { + MACH64_MODE_DMA_ASYNC, + MACH64_MODE_DMA_SYNC, + MACH64_MODE_MMIO +} drm_mach64_dma_mode_t; + +typedef struct drm_mach64_init { + enum { + DRM_MACH64_INIT_DMA = 0x01, + DRM_MACH64_CLEANUP_DMA = 0x02 + } func; + + unsigned long sarea_priv_offset; + int is_pci; + drm_mach64_dma_mode_t dma_mode; + + 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; + + unsigned long fb_offset; + unsigned long mmio_offset; + unsigned long ring_offset; + unsigned long buffers_offset; + unsigned long agp_textures_offset; +} drm_mach64_init_t; + +typedef struct drm_mach64_clear { + unsigned int flags; + int x, y, w, h; + unsigned int clear_color; + unsigned int clear_depth; +} drm_mach64_clear_t; + +typedef struct drm_mach64_vertex { + int prim; + void *buf; /* Address of vertex buffer */ + unsigned long used; /* Number of bytes in buffer */ + int discard; /* Client finished with buffer? */ +} drm_mach64_vertex_t; + +typedef struct drm_mach64_blit { + void *buf; + int pitch; + int offset; + int format; + unsigned short x, y; + unsigned short width, height; +} drm_mach64_blit_t; + +typedef struct drm_mach64_getparam { + enum { + MACH64_PARAM_FRAMES_QUEUED = 0x01, + MACH64_PARAM_IRQ_NR = 0x02 + } param; + void *value; +} drm_mach64_getparam_t; + +#endif |