257 lines
		
	
	
		
			7.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			257 lines
		
	
	
		
			7.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* 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
 |