radeon_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

/* radeon_drv.h -- Private header for radeon driver -*- linux-c -*-
 *
 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
 * Copyright 2000 VA Linux Systems, Inc., Fremont, 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 __RADEON_DRV_H__
#define __RADEON_DRV_H__

typedef struct drm_radeon_freelist {
   	unsigned int age;
   	drm_buf_t *buf;
   	struct drm_radeon_freelist *next;
   	struct drm_radeon_freelist *prev;
} drm_radeon_freelist_t;

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

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

typedef struct drm_radeon_depth_clear_t {
	u32 rb3d_cntl;
	u32 rb3d_zstencilcntl;
	u32 se_cntl;
} drm_radeon_depth_clear_t;

typedef struct drm_radeon_private {
	drm_radeon_ring_buffer_t ring;
	drm_radeon_sarea_t *sarea_priv;

	int agp_size;
	u32 agp_vm_start;
	u32 agp_buffers_offset;

	int cp_mode;
	int cp_running;

   	drm_radeon_freelist_t *head;
   	drm_radeon_freelist_t *tail;
/* FIXME: ROTATE_BUFS is a hask to cycle through bufs until freelist
   code is used.  Note this hides a problem with the scratch register
   (used to keep track of last buffer completed) being written to before
   the last buffer has actually completed rendering. */
#define ROTATE_BUFS 1
#if ROTATE_BUFS
	int last_buf;
#endif
	volatile u32 *scratch;

	int usec_timeout;
	int is_pci;

	atomic_t idle_count;

	int page_flipping;
	int current_page;
	u32 crtc_offset;
	u32 crtc_offset_cntl;

	unsigned int color_fmt;
	unsigned int front_offset;
	unsigned int front_pitch;
	unsigned int back_offset;
	unsigned int back_pitch;

	unsigned int depth_fmt;
	unsigned int depth_offset;
	unsigned int depth_pitch;

	u32 front_pitch_offset;
	u32 back_pitch_offset;
	u32 depth_pitch_offset;

	drm_radeon_depth_clear_t depth_clear;

	drm_map_t *sarea;
	drm_map_t *fb;
	drm_map_t *mmio;
	drm_map_t *cp_ring;
	drm_map_t *ring_rptr;
	drm_map_t *buffers;
	drm_map_t *agp_textures;
} drm_radeon_private_t;

typedef struct drm_radeon_buf_priv {
	u32 age;
	int prim;
	int discard;
	int dispatched;
   	drm_radeon_freelist_t *list_entry;
} drm_radeon_buf_priv_t;

				/* radeon_drv.c */
extern int  radeon_version( struct inode *inode, struct file *filp,
			    unsigned int cmd, unsigned long arg );
extern int  radeon_open( struct inode *inode, struct file *filp );
extern int  radeon_release( struct inode *inode, struct file *filp );
extern int  radeon_ioctl( struct inode *inode, struct file *filp,
			  unsigned int cmd, unsigned long arg );
extern int  radeon_lock( struct inode *inode, struct file *filp,
			 unsigned int cmd, unsigned long arg );
extern int  radeon_unlock( struct inode *inode, struct file *filp,
			   unsigned int cmd, unsigned long arg );

				/* radeon_cp.c */
extern int radeon_cp_init( struct inode *inode, struct file *filp,
			   unsigned int cmd, unsigned long arg );
extern int radeon_cp_start( struct inode *inode, struct file *filp,
			    unsigned int cmd, unsigned long arg );
extern int radeon_cp_stop( struct inode *inode, struct file *filp,
			   unsigned int cmd, unsigned long arg );
extern int radeon_cp_reset( struct inode *inode, struct file *filp,
			    unsigned int cmd, unsigned long arg );
extern int radeon_cp_idle( struct inode *inode, struct file *filp,
			   unsigned int cmd, unsigned long arg );
extern int radeon_engine_reset( struct inode *inode, struct file *filp,
				unsigned int cmd, unsigned long arg );
extern int radeon_fullscreen( struct inode *inode, struct file *filp,
			      unsigned int cmd, unsigned long arg );
extern int radeon_cp_buffers( struct inode *inode, struct file *filp,
			      unsigned int cmd, unsigned long arg );

extern void radeon_freelist_reset( drm_device_t *dev );
extern drm_buf_t *radeon_freelist_get( drm_device_t *dev );

extern int radeon_wait_ring( drm_radeon_private_t *dev_priv, int n );
extern void radeon_update_ring_snapshot( drm_radeon_private_t *dev_priv );

extern int radeon_do_cp_idle( drm_radeon_private_t *dev_priv );
extern int radeon_do_cleanup_pageflip( drm_device_t *dev );

				/* radeon_state.c */
extern int radeon_cp_clear( struct inode *inode, struct file *filp,
			    unsigned int cmd, unsigned long arg );
extern int radeon_cp_swap( struct inode *inode, struct file *filp,
			   unsigned int cmd, unsigned long arg );
extern int radeon_cp_vertex( struct inode *inode, struct file *filp,
			     unsigned int cmd, unsigned long arg );
extern int radeon_cp_indices( struct inode *inode, struct file *filp,
			      unsigned int cmd, unsigned long arg );
extern int radeon_cp_blit( struct inode *inode, struct file *filp,
			   unsigned int cmd, unsigned long arg );
extern int radeon_cp_stipple( struct inode *inode, struct file *filp,
			      unsigned int cmd, unsigned long arg );
extern int radeon_cp_indirect( struct inode *inode, struct file *filp,
			       unsigned int cmd, unsigned long arg );

				/* radeon_bufs.c */
extern int radeon_addbufs(struct inode *inode, struct file *filp,
			  unsigned int cmd, unsigned long arg);
extern int radeon_mapbufs(struct inode *inode, struct file *filp,
			  unsigned int cmd, unsigned long arg);

				/* radeon_context.c */
extern int  radeon_resctx(struct inode *inode, struct file *filp,
			  unsigned int cmd, unsigned long arg);
extern int  radeon_addctx(struct inode *inode, struct file *filp,
			  unsigned int cmd, unsigned long arg);
extern int  radeon_modctx(struct inode *inode, struct file *filp,
			  unsigned int cmd, unsigned long arg);
extern int  radeon_getctx(struct inode *inode, struct file *filp,
			  unsigned int cmd, unsigned long arg);
extern int  radeon_switchctx(struct inode *inode, struct file *filp,
			     unsigned int cmd, unsigned long arg);
extern int  radeon_newctx(struct inode *inode, struct file *filp,
			  unsigned int cmd, unsigned long arg);
extern int  radeon_rmctx(struct inode *inode, struct file *filp,
			 unsigned int cmd, unsigned long arg);

extern int  radeon_context_switch(drm_device_t *dev, int old, int new);
extern int  radeon_context_switch_complete(drm_device_t *dev, int new);


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

#define RADEON_AUX_SCISSOR_CNTL		0x26f0
#	define RADEON_EXCLUSIVE_SCISSOR_0	(1 << 24)
#	define RADEON_EXCLUSIVE_SCISSOR_1	(1 << 25)
#	define RADEON_EXCLUSIVE_SCISSOR_2	(1 << 26)
#	define RADEON_SCISSOR_0_ENABLE		(1 << 28)
#	define RADEON_SCISSOR_1_ENABLE		(1 << 29)
#	define RADEON_SCISSOR_2_ENABLE		(1 << 30)

#define RADEON_BUS_CNTL			0x0030
#	define RADEON_BUS_MASTER_DIS		(1 << 6)

#define RADEON_CLOCK_CNTL_DATA		0x000c
#	define RADEON_PLL_WR_EN			(1 << 7)
#define RADEON_CLOCK_CNTL_INDEX		0x0008
#define RADEON_CONFIG_APER_SIZE		0x0108
#define RADEON_CRTC_OFFSET		0x0224
#define RADEON_CRTC_OFFSET_CNTL		0x0228
#	define RADEON_CRTC_TILE_EN		(1 << 15)
#	define RADEON_CRTC_OFFSET_FLIP_CNTL	(1 << 16)

#define RADEON_RB3D_COLORPITCH		0x1c48
#define RADEON_RB3D_DEPTHCLEARVALUE	0x1c30
#define RADEON_RB3D_DEPTHXY_OFFSET	0x1c60

#define RADEON_DP_GUI_MASTER_CNTL	0x146c
#	define RADEON_GMC_SRC_PITCH_OFFSET_CNTL	(1 << 0)
#	define RADEON_GMC_DST_PITCH_OFFSET_CNTL	(1 << 1)
#	define RADEON_GMC_BRUSH_SOLID_COLOR	(13 << 4)
#	define RADEON_GMC_BRUSH_NONE		(15 << 4)
#	define RADEON_GMC_DST_16BPP		(4 << 8)
#	define RADEON_GMC_DST_24BPP		(5 << 8)
#	define RADEON_GMC_DST_32BPP		(6 << 8)
#	define RADEON_GMC_DST_DATATYPE_SHIFT	8
#	define RADEON_GMC_SRC_DATATYPE_COLOR	(3 << 12)
#	define RADEON_DP_SRC_SOURCE_MEMORY	(2 << 24)
#	define RADEON_DP_SRC_SOURCE_HOST_DATA	(3 << 24)
#	define RADEON_GMC_CLR_CMP_CNTL_DIS	(1 << 28)
#	define RADEON_GMC_WR_MSK_DIS		(1 << 30)
#	define RADEON_ROP3_S			0x00cc0000
#	define RADEON_ROP3_P			0x00f00000
#define RADEON_DP_WRITE_MASK		0x16cc
#define RADEON_DST_PITCH_OFFSET		0x142c
#define RADEON_DST_PITCH_OFFSET_C	0x1c80
#	define RADEON_DST_TILE_LINEAR		(0 << 30)
#	define RADEON_DST_TILE_MACRO		(1 << 30)
#	define RADEON_DST_TILE_MICRO		(2 << 30)
#	define RADEON_DST_TILE_BOTH		(3 << 30)

#define RADEON_SCRATCH_REG0		0x15e0
#define RADEON_SCRATCH_REG1		0x15e4
#define RADEON_SCRATCH_REG2		0x15e8
#define RADEON_SCRATCH_REG3		0x15ec
#define RADEON_SCRATCH_REG4		0x15f0
#define RADEON_SCRATCH_REG5		0x15f4
#define RADEON_SCRATCH_UMSK		0x0770
#define RADEON_SCRATCH_ADDR		0x0774

#define RADEON_HOST_PATH_CNTL		0x0130
#	define RADEON_HDP_SOFT_RESET		(1 << 26)
#	define RADEON_HDP_WC_TIMEOUT_MASK	(7 << 28)
#	define RADEON_HDP_WC_TIMEOUT_28BCLK	(7 << 28)

#define RADEON_ISYNC_CNTL		0x1724
#	define RADEON_ISYNC_ANY2D_IDLE3D	(1 << 0)
#	define RADEON_ISYNC_ANY3D_IDLE2D	(1 << 1)
#	define RADEON_ISYNC_TRIG2D_IDLE3D	(1 << 2)
#	define RADEON_ISYNC_TRIG3D_IDLE2D	(1 << 3)
#	define RADEON_ISYNC_WAIT_IDLEGUI	(1 << 4)
#	define RADEON_ISYNC_CPSCRATCH_IDLEGUI	(1 << 5)

#define RADEON_MC_AGP_LOCATION		0x014c
#define RADEON_MC_FB_LOCATION		0x0148
#define RADEON_MCLK_CNTL		0x0012

#define RADEON_PP_BORDER_COLOR_0	0x1d40
#define RADEON_PP_BORDER_COLOR_1	0x1d44
#define RADEON_PP_BORDER_COLOR_2	0x1d48
#define RADEON_PP_CNTL			0x1c38
#	define RADEON_SCISSOR_ENABLE		(1 <<  1)
#define RADEON_PP_LUM_MATRIX		0x1d00
#define RADEON_PP_MISC			0x1c14
#define RADEON_PP_ROT_MATRIX_0		0x1d58
#define RADEON_PP_TXFILTER_0		0x1c54
#define RADEON_PP_TXFILTER_1		0x1c6c
#define RADEON_PP_TXFILTER_2		0x1c84

#define RADEON_RB2D_DSTCACHE_CTLSTAT	0x342c
#	define RADEON_RB2D_DC_FLUSH		(3 << 0)
#	define RADEON_RB2D_DC_FREE		(3 << 2)
#	define RADEON_RB2D_DC_FLUSH_ALL		0xf
#	define RADEON_RB2D_DC_BUSY		(1 << 31)
#define RADEON_RB3D_CNTL		0x1c3c
#	define RADEON_ALPHA_BLEND_ENABLE	(1 << 0)
#	define RADEON_PLANE_MASK_ENABLE		(1 << 1)
#	define RADEON_DITHER_ENABLE		(1 << 2)
#	define RADEON_ROUND_ENABLE		(1 << 3)
#	define RADEON_SCALE_DITHER_ENABLE	(1 << 4)
#	define RADEON_DITHER_INIT		(1 << 5)
#	define RADEON_ROP_ENABLE		(1 << 6)
#	define RADEON_STENCIL_ENABLE		(1 << 7)
#	define RADEON_Z_ENABLE			(1 << 8)
#	define RADEON_DEPTH_XZ_OFFEST_ENABLE	(1 << 9)
#	define RADEON_ZBLOCK8			(0 << 15)
#	define RADEON_ZBLOCK16			(1 << 15)
#define RADEON_RB3D_DEPTHOFFSET		0x1c24
#define RADEON_RB3D_PLANEMASK		0x1d84
#define RADEON_RB3D_STENCILREFMASK	0x1d7c
#define RADEON_RB3D_ZCACHE_MODE		0x3250
#define RADEON_RB3D_ZCACHE_CTLSTAT	0x3254
#	define RADEON_RB3D_ZC_FLUSH		(1 << 0)
#	define RADEON_RB3D_ZC_FREE		(1 << 2)
#	define RADEON_RB3D_ZC_FLUSH_ALL		0x5
#	define RADEON_RB3D_ZC_BUSY		(1 << 31)
#define RADEON_RB3D_ZSTENCILCNTL	0x1c2c
#	define RADEON_Z_TEST_MASK		(7 << 4)
#	define RADEON_Z_TEST_ALWAYS		(7 << 4)
#	define RADEON_STENCIL_TEST_ALWAYS	(7 << 12)
#	define RADEON_STENCIL_S_FAIL_KEEP	(0 << 16)
#	define RADEON_STENCIL_ZPASS_KEEP	(0 << 20)
#	define RADEON_STENCIL_ZFAIL_KEEP	(0 << 20)
#	define RADEON_Z_WRITE_ENABLE		(1 << 30)
#define RADEON_RBBM_SOFT_RESET		0x00f0
#	define RADEON_SOFT_RESET_CP		(1 <<  0)
#	define RADEON_SOFT_RESET_HI		(1 <<  1)
#	define RADEON_SOFT_RESET_SE		(1 <<  2)
#	define RADEON_SOFT_RESET_RE		(1 <<  3)
#	define RADEON_SOFT_RESET_PP		(1 <<  4)
#	define RADEON_SOFT_RESET_E2		(1 <<  5)
#	define RADEON_SOFT_RESET_RB		(1 <<  6)
#	define RADEON_SOFT_RESET_HDP		(1 <<  7)
#define RADEON_RBBM_STATUS		0x0e40
#	define RADEON_RBBM_FIFOCNT_MASK		0x007f
#	define RADEON_RBBM_ACTIVE		(1 << 31)
#define RADEON_RE_LINE_PATTERN		0x1cd0
#define RADEON_RE_MISC			0x26c4
#define RADEON_RE_TOP_LEFT		0x26c0
#define RADEON_RE_WIDTH_HEIGHT		0x1c44
#define RADEON_RE_STIPPLE_ADDR		0x1cc8
#define RADEON_RE_STIPPLE_DATA		0x1ccc

#define RADEON_SCISSOR_TL_0		0x1cd8
#define RADEON_SCISSOR_BR_0		0x1cdc
#define RADEON_SCISSOR_TL_1		0x1ce0
#define RADEON_SCISSOR_BR_1		0x1ce4