r128_drv.h

内核linux2.4.20,可跟rtlinux3.2打补丁 组成实时linux系统,编译内核

/* r128_drv.h -- Private header for r128 driver -*- linux-c -*-
 * Created: Mon Dec 13 09:51:11 1999 by [e-mail]
 *
 * 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
 * PRECISION INSIGHT 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:
 *   Rickard E. (Rik) Faith <[e-mail]>
 *   Kevin E. Martin <[e-mail]>
 *   Gareth Hughes <[e-mail]>
 *
 */

#ifndef __R128_DRV_H__
#define __R128_DRV_H__

typedef struct drm_r128_freelist {
   	unsigned int age;
   	drm_buf_t *buf;
   	struct drm_r128_freelist *next;
   	struct drm_r128_freelist *prev;
} drm_r128_freelist_t;

typedef struct drm_r128_ring_buffer {
	u32 *start;
	u32 *end;
	int size;
	int size_l2qw;

	volatile u32 *head;
	u32 tail;
	u32 tail_mask;
	int space;
} drm_r128_ring_buffer_t;

typedef struct drm_r128_private {
	drm_r128_ring_buffer_t ring;
	drm_r128_sarea_t *sarea_priv;

	int cce_mode;
	int cce_fifo_size;
	int cce_secure;
	int cce_running;

   	drm_r128_freelist_t *head;
   	drm_r128_freelist_t *tail;

	int usec_timeout;
	int is_pci;

	atomic_t idle_count;

	unsigned int fb_bpp;
	unsigned int front_offset;
	unsigned int front_pitch;
	unsigned int back_offset;
	unsigned int back_pitch;

	unsigned int depth_bpp;
	unsigned int depth_offset;
	unsigned int depth_pitch;
	unsigned int span_offset;

	u32 front_pitch_offset_c;
	u32 back_pitch_offset_c;
	u32 depth_pitch_offset_c;
	u32 span_pitch_offset_c;

	drm_map_t *sarea;
	drm_map_t *fb;
	drm_map_t *mmio;
	drm_map_t *cce_ring;
	drm_map_t *ring_rptr;
	drm_map_t *buffers;
	drm_map_t *agp_textures;
} drm_r128_private_t;

typedef struct drm_r128_buf_priv {
	u32 age;
	int prim;
	int discard;
	int dispatched;
   	drm_r128_freelist_t *list_entry;
} drm_r128_buf_priv_t;

				/* r128_drv.c */
extern int  r128_version( struct inode *inode, struct file *filp,
			  unsigned int cmd, unsigned long arg );
extern int  r128_open( struct inode *inode, struct file *filp );
extern int  r128_release( struct inode *inode, struct file *filp );
extern int  r128_ioctl( struct inode *inode, struct file *filp,
			unsigned int cmd, unsigned long arg );
extern int  r128_lock( struct inode *inode, struct file *filp,
		       unsigned int cmd, unsigned long arg );
extern int  r128_unlock( struct inode *inode, struct file *filp,
			 unsigned int cmd, unsigned long arg );

				/* r128_cce.c */
extern int r128_cce_init( struct inode *inode, struct file *filp,
			  unsigned int cmd, unsigned long arg );
extern int r128_cce_start( struct inode *inode, struct file *filp,
			   unsigned int cmd, unsigned long arg );
extern int r128_cce_stop( struct inode *inode, struct file *filp,
			  unsigned int cmd, unsigned long arg );
extern int r128_cce_reset( struct inode *inode, struct file *filp,
			   unsigned int cmd, unsigned long arg );
extern int r128_cce_idle( struct inode *inode, struct file *filp,
			  unsigned int cmd, unsigned long arg );
extern int r128_engine_reset( struct inode *inode, struct file *filp,
			      unsigned int cmd, unsigned long arg );
extern int r128_cce_packet( struct inode *inode, struct file *filp,
			    unsigned int cmd, unsigned long arg );
extern int r128_cce_buffers( struct inode *inode, struct file *filp,
			     unsigned int cmd, unsigned long arg );

extern void r128_freelist_reset( drm_device_t *dev );
extern drm_buf_t *r128_freelist_get( drm_device_t *dev );

extern int r128_wait_ring( drm_r128_private_t *dev_priv, int n );
extern void r128_update_ring_snapshot( drm_r128_private_t *dev_priv );

				/* r128_state.c */
extern int r128_cce_clear( struct inode *inode, struct file *filp,
			   unsigned int cmd, unsigned long arg );
extern int r128_cce_swap( struct inode *inode, struct file *filp,
			  unsigned int cmd, unsigned long arg );
extern int r128_cce_vertex( struct inode *inode, struct file *filp,
			    unsigned int cmd, unsigned long arg );
extern int r128_cce_indices( struct inode *inode, struct file *filp,
			     unsigned int cmd, unsigned long arg );
extern int r128_cce_blit( struct inode *inode, struct file *filp,
			  unsigned int cmd, unsigned long arg );
extern int r128_cce_depth( struct inode *inode, struct file *filp,
			   unsigned int cmd, unsigned long arg );
extern int r128_cce_stipple( struct inode *inode, struct file *filp,
			     unsigned int cmd, unsigned long arg );

				/* r128_bufs.c */
extern int r128_addbufs(struct inode *inode, struct file *filp,
			unsigned int cmd, unsigned long arg);
extern int r128_mapbufs(struct inode *inode, struct file *filp,
			unsigned int cmd, unsigned long arg);

				/* r128_context.c */
extern int  r128_resctx(struct inode *inode, struct file *filp,
			unsigned int cmd, unsigned long arg);
extern int  r128_addctx(struct inode *inode, struct file *filp,
		        unsigned int cmd, unsigned long arg);
extern int  r128_modctx(struct inode *inode, struct file *filp,
		        unsigned int cmd, unsigned long arg);
extern int  r128_getctx(struct inode *inode, struct file *filp,
		        unsigned int cmd, unsigned long arg);
extern int  r128_switchctx(struct inode *inode, struct file *filp,
			   unsigned int cmd, unsigned long arg);
extern int  r128_newctx(struct inode *inode, struct file *filp,
			unsigned int cmd, unsigned long arg);
extern int  r128_rmctx(struct inode *inode, struct file *filp,
		       unsigned int cmd, unsigned long arg);

extern int  r128_context_switch(drm_device_t *dev, int old, int new);
extern int  r128_context_switch_complete(drm_device_t *dev, int new);


/* Register definitions, register access macros and drmAddMap constants
 * for Rage 128 kernel driver.
 */

#define R128_AUX_SC_CNTL		0x1660
#	define R128_AUX1_SC_EN			(1 << 0)
#	define R128_AUX1_SC_MODE_OR		(0 << 1)
#	define R128_AUX1_SC_MODE_NAND		(1 << 1)
#	define R128_AUX2_SC_EN			(1 << 2)
#	define R128_AUX2_SC_MODE_OR		(0 << 3)
#	define R128_AUX2_SC_MODE_NAND		(1 << 3)
#	define R128_AUX3_SC_EN			(1 << 4)
#	define R128_AUX3_SC_MODE_OR		(0 << 5)
#	define R128_AUX3_SC_MODE_NAND		(1 << 5)
#define R128_AUX1_SC_LEFT		0x1664
#define R128_AUX1_SC_RIGHT		0x1668
#define R128_AUX1_SC_TOP		0x166c
#define R128_AUX1_SC_BOTTOM		0x1670
#define R128_AUX2_SC_LEFT		0x1674
#define R128_AUX2_SC_RIGHT		0x1678
#define R128_AUX2_SC_TOP		0x167c
#define R128_AUX2_SC_BOTTOM		0x1680
#define R128_AUX3_SC_LEFT		0x1684
#define R128_AUX3_SC_RIGHT		0x1688
#define R128_AUX3_SC_TOP		0x168c
#define R128_AUX3_SC_BOTTOM		0x1690

#define R128_BRUSH_DATA0		0x1480
#define R128_BUS_CNTL			0x0030
#	define R128_BUS_MASTER_DIS		(1 << 6)

#define R128_CLOCK_CNTL_INDEX		0x0008
#define R128_CLOCK_CNTL_DATA		0x000c
#	define R128_PLL_WR_EN			(1 << 7)

#define R128_CONSTANT_COLOR_C		0x1d34

#define R128_DP_GUI_MASTER_CNTL		0x146c
#       define R128_GMC_SRC_PITCH_OFFSET_CNTL	(1    <<  0)
#       define R128_GMC_DST_PITCH_OFFSET_CNTL	(1    <<  1)
#	define R128_GMC_BRUSH_SOLID_COLOR	(13   <<  4)
#	define R128_GMC_BRUSH_NONE		(15   <<  4)
#	define R128_GMC_DST_16BPP		(4    <<  8)
#	define R128_GMC_DST_24BPP		(5    <<  8)
#	define R128_GMC_DST_32BPP		(6    <<  8)
#       define R128_GMC_DST_DATATYPE_SHIFT	8
#	define R128_GMC_SRC_DATATYPE_COLOR	(3    << 12)
#	define R128_DP_SRC_SOURCE_MEMORY	(2    << 24)
#	define R128_DP_SRC_SOURCE_HOST_DATA	(3    << 24)
#	define R128_GMC_CLR_CMP_CNTL_DIS	(1    << 28)
#	define R128_GMC_AUX_CLIP_DIS		(1    << 29)
#	define R128_GMC_WR_MSK_DIS		(1    << 30)