/* 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 * Frank C. Earl * Leif Delgass */ #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