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2006-08-2964-bit IOCTL integer (Michel Dänzer & Brian Paul)Thomas Hellstrom
2006-08-28Buffer object creation.Thomas Hellstrom
2006-08-28Proper TTM dereferencingThomas Hellstrom
Initial buffer object creation.
2006-08-29Merge branch 'master' into nouveau-1Dave Airlie
2006-08-28Buffer object idle and mapping synchronization.Thomas Hellstrom
2006-08-28Checkpoint buffer object IOCTL stub.Thomas Hellstrom
2006-08-28Add a 64-bit drm unsigned type for 64-bit clean IOCTLS.Thomas Hellstrom
Conversion functions in drmP.h and xf86drm.c.
2006-08-28Merge branch 'master' of git+ssh://git.freedesktop.org/git/mesa/drm into ↵Thomas Hellstrom
drm-ttm-0-2-branch Conflicts: linux-core/drmP.h
2006-08-28drm: lots of small cleanups and whitespace issues fixed upDave Airlie
remove a mach64 warning, align a lot of things from linux kernel
2006-08-28add static function, and remove bad attributionsDave Airlie
2006-08-28fix const pointer warnings with file_operationsDave Airlie
2006-08-28remove local copies of pci domain/bus/slot/numDave Airlie
2006-08-28remove some DRM_ARRAY_SIZE from linux core codeDave Airlie
2006-08-28fixup some of the comments in drm_context.cDave Airlie
2006-08-28drm: i810_dma.c: fix pointer arithmetic for 64-bit targetDave Airlie
First warning result from open-coded PTR_ERR, the rest is caused by code like this: *(u32 *) ((u32) buf_priv->kernel_virtual + used) I've also fixed a missing PTR_ERR in i830_dma.c From: Denis Vlasenko <vda.linux@googlemail.com> Signed-off-by: Dave Airlie <airlied@linux.ie>
2006-08-27Bugfixes.Thomas Hellstrom
2006-08-27Remove the ioctl multiplexing, and instead allow for genericThomas Hellstrom
drm ioctls 0x80 - 0xFF.
2006-08-27Have TTM create and reference ioctl call return the actual TTM size.Thomas Hellstrom
2006-08-27Add TTM map handle on reference.Thomas Hellstrom
2006-08-27ttm create / destroy / ref / unref ioctl.Thomas Hellstrom
2006-08-27initial import of nouveau code from nouveau CVSDave Airlie
2006-08-25More ioctl stubs.Thomas Hellstrom
Buffer object locking order documentation.
2006-08-25ttm and buffer objects ioctl stubs.Thomas Hellstrom
2006-08-25Module protection map access is moving into mainline kernels.Thomas Hellstrom
Update drm_compat accordingly. (Reported by Dave Airlie)
2006-08-25Checkpoint commitThomas Hellstrom
Buffer object code.
2006-08-23Fix previous commit: Only fall back to hashed handlesThomas Hellstrom
when there is a duplicate handle error. Not for other errors.
2006-08-23Merge branch 'master' of git+ssh://git.freedesktop.org/git/mesa/drm into ↵Thomas Hellstrom
drm-ttm-0-2-branch
2006-08-23Allow multiple addMaps with the same 32-bit map offset.Thomas Hellstrom
(Reported by Dave Airlie)
2006-08-23Fix hashtab implementation leaking illegal error codes to user space.Thomas Hellstrom
(Reported by Dave Airlie)
2006-08-22More ttm cleanups.Thomas Hellstrom
2006-08-22ttm code cleanup.Thomas Hellstrom
Fix the sleep-in-page-table-spinlock bug discovered by Dave Airlie
2006-08-22Add a fence object class field for future use (For example VSYNC fence objects)Thomas Hellstrom
2006-08-22Initial i915 buffer object driverThomas Hellstrom
2006-08-22AGP backends for TTM.Thomas Hellstrom
2006-08-22Bring in stripped TTM functionality.Thomas Hellstrom
2006-08-21Allow longer sequence lifetimes.Thomas Hellstrom
2006-08-21i915 fence object driver implementing 2 fence object types:Thomas Hellstrom
0x00 EXE fence. Signals when command stream interpreter has reached the point where the fence was emitted. 0x01 FLUSH fence. Signals when command stream interpreter has reached the point where the fence was emitted, and all previous drawing operations have been completed and flushed. Implements busy wait (for fastest response time / high CPU) and lazy wait (User interrupt or timer driven).
2006-08-21Remove some accidently included TTM code.Thomas Hellstrom
2006-08-21Add missing fence type define.Thomas Hellstrom
Add drm_fence.o to Makefile
2006-08-21User / Kernel space fence objects (device-independent part).Thomas Hellstrom
2006-08-21Backwards compatibility code for ttms.Thomas Hellstrom
2006-08-21Generic DRM support base-class support for user-space objects, likeThomas Hellstrom
fence objects and buffer objects: Refcounting, Inter-process sharing, Synchronization Destruction.
2006-08-21Avoid using vmalloc for small hash tables.Thomas Hellstrom
2006-08-19drm: lots of small cleanups and whitespace issues fixed upDave Airlie
remove a mach64 warning, align a lot of things from linux kernel
2006-08-19add static function, and remove bad attributionsDave Airlie
2006-08-19fix const pointer warnings with file_operationsDave Airlie
2006-08-19remove local copies of pci domain/bus/slot/numDave Airlie
2006-08-19remove some DRM_ARRAY_SIZE from linux core codeDave Airlie
2006-08-19fixup some of the comments in drm_context.cDave Airlie
2006-08-19drm: i810_dma.c: fix pointer arithmetic for 64-bit targetDave Airlie
First warning result from open-coded PTR_ERR, the rest is caused by code like this: *(u32 *) ((u32) buf_priv->kernel_virtual + used) I've also fixed a missing PTR_ERR in i830_dma.c From: Denis Vlasenko <vda.linux@googlemail.com> Signed-off-by: Dave Airlie <airlied@linux.ie>
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/* 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:
 *    Kevin E. Martin <martin@valinux.com>
 *    Gareth Hughes <gareth@valinux.com>
 */

#ifndef __RADEON_DRV_H__
#define __RADEON_DRV_H__

#define GET_RING_HEAD(dev_priv)		DRM_READ32(  (dev_priv)->ring_rptr, 0 )
#define SET_RING_HEAD(dev_priv,val)	DRM_WRITE32( (dev_priv)->ring_rptr, 0, (val) )

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;

	u32 tail;
	u32 tail_mask;
	int space;

	int high_mark;
} 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;


struct mem_block {
	struct mem_block *next;
	struct mem_block *prev;
	int start;
	int size;
	DRMFILE filp;		/* 0: free, -1: heap, other: real files */
};

typedef struct drm_radeon_private {
	drm_radeon_ring_buffer_t ring;
	drm_radeon_sarea_t *sarea_priv;

	int gart_size;
	u32 gart_vm_start;
	unsigned long gart_buffers_offset;

	int cp_mode;
	int cp_running;

   	drm_radeon_freelist_t *head;
   	drm_radeon_freelist_t *tail;
	int last_buf;
	volatile u32 *scratch;
	int writeback_works;

	int usec_timeout;

	int is_r200;

	int is_pci;
	unsigned long phys_pci_gart;
	dma_addr_t bus_pci_gart;

	struct {
		u32 boxes;
		int freelist_timeouts;
		int freelist_loops;
		int requested_bufs;
		int last_frame_reads;
		int last_clear_reads;
		int clears;
		int texture_uploads;
	} stats;

	int do_boxes;
	int page_flipping;
	int current_page;

	u32 color_fmt;
	unsigned int front_offset;
	unsigned int front_pitch;
	unsigned int back_offset;
	unsigned int back_pitch;

	u32 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;
	
	unsigned long fb_offset;
	unsigned long mmio_offset;
	unsigned long ring_offset;
	unsigned long ring_rptr_offset;
	unsigned long buffers_offset;
	unsigned long gart_textures_offset;

	drm_local_map_t *sarea;
	drm_local_map_t *fb;
	drm_local_map_t *mmio;
	drm_local_map_t *cp_ring;
	drm_local_map_t *ring_rptr;
	drm_local_map_t *buffers;
	drm_local_map_t *gart_textures;

	struct mem_block *gart_heap;
	struct mem_block *fb_heap;

	/* SW interrupt */
   	wait_queue_head_t swi_queue;
   	atomic_t swi_emitted;

} drm_radeon_private_t;

typedef struct drm_radeon_buf_priv {
	u32 age;
} drm_radeon_buf_priv_t;

				/* radeon_cp.c */
extern int radeon_cp_init( DRM_IOCTL_ARGS );
extern int radeon_cp_start( DRM_IOCTL_ARGS );
extern int radeon_cp_stop( DRM_IOCTL_ARGS );
extern int radeon_cp_reset( DRM_IOCTL_ARGS );
extern int radeon_cp_idle( DRM_IOCTL_ARGS );
extern int radeon_cp_resume( DRM_IOCTL_ARGS );
extern int radeon_engine_reset( DRM_IOCTL_ARGS );
extern int radeon_fullscreen( DRM_IOCTL_ARGS );
extern int radeon_cp_buffers( DRM_IOCTL_ARGS );

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

				/* radeon_state.c */
extern int radeon_cp_clear( DRM_IOCTL_ARGS );
extern int radeon_cp_swap( DRM_IOCTL_ARGS );
extern int radeon_cp_vertex( DRM_IOCTL_ARGS );
extern int radeon_cp_indices( DRM_IOCTL_ARGS );
extern int radeon_cp_texture( DRM_IOCTL_ARGS );
extern int radeon_cp_stipple( DRM_IOCTL_ARGS );
extern int radeon_cp_indirect( DRM_IOCTL_ARGS );
extern int radeon_cp_vertex2( DRM_IOCTL_ARGS );
extern int radeon_cp_cmdbuf( DRM_IOCTL_ARGS );
extern int radeon_cp_getparam( DRM_IOCTL_ARGS );
extern int radeon_cp_flip( DRM_IOCTL_ARGS );

extern int radeon_mem_alloc( DRM_IOCTL_ARGS );
extern int radeon_mem_free( DRM_IOCTL_ARGS );
extern int radeon_mem_init_heap( DRM_IOCTL_ARGS );
extern void radeon_mem_takedown( struct mem_block **heap );
extern void radeon_mem_release( DRMFILE filp, struct mem_block *heap );

				/* radeon_irq.c */
extern int radeon_irq_emit( DRM_IOCTL_ARGS );
extern int radeon_irq_wait( DRM_IOCTL_ARGS );

extern int radeon_emit_and_wait_irq(drm_device_t *dev);
extern int radeon_wait_irq(drm_device_t *dev, int swi_nr);
extern int radeon_emit_irq(drm_device_t *dev);

extern void radeon_do_release(drm_device_t *dev);

/* Flags for stats.boxes
 */
#define RADEON_BOX_DMA_IDLE      0x1
#define RADEON_BOX_RING_FULL     0x2
#define RADEON_BOX_FLIP          0x4
#define RADEON_BOX_WAIT_IDLE     0x8
#define RADEON_BOX_TEXTURE_LOAD  0x10



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

#define RADEON_AGP_COMMAND		0x0f60
#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_CRTC2_OFFSET		0x0324
#define RADEON_CRTC2_OFFSET_CNTL	0x0328

#define RADEON_RB3D_COLORPITCH		0x1c48

#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_SCRATCHOFF( x )		(RADEON_SCRATCH_REG_OFFSET + 4*(x))

#define GET_SCRATCH( x )	(dev_priv->writeback_works			\
				? DRM_READ32( dev_priv->ring_rptr, RADEON_SCRATCHOFF(x) ) \
				: RADEON_READ( RADEON_SCRATCH_REG0 + 4*(x) ) )


#define RADEON_GEN_INT_CNTL		0x0040
#	define RADEON_CRTC_VBLANK_MASK		(1 << 0)
#	define RADEON_GUI_IDLE_INT_ENABLE	(1 << 19)
#	define RADEON_SW_INT_ENABLE		(1 << 25)

#define RADEON_GEN_INT_STATUS		0x0044
#	define RADEON_CRTC_VBLANK_STAT		(1 << 0)
#	define RADEON_CRTC_VBLANK_STAT_ACK   	(1 << 0)
#	define RADEON_GUI_IDLE_INT_TEST_ACK     (1 << 19)
#	define RADEON_SW_INT_TEST		(1 << 25)
#	define RADEON_SW_INT_TEST_ACK   	(1 << 25)
#	define RADEON_SW_INT_FIRE		(1 << 26)

#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_RBBM_GUICNTL		0x172c
#	define RADEON_HOST_DATA_SWAP_NONE	(0 << 0)
#	define RADEON_HOST_DATA_SWAP_16BIT	(1 << 0)
#	define RADEON_HOST_DATA_SWAP_32BIT	(2 << 0)
#	define RADEON_HOST_DATA_SWAP_HDW	(3 << 0)

#define RADEON_MC_AGP_LOCATION		0x014c
#define RADEON_MC_FB_LOCATION		0x0148
#define RADEON_MCLK_CNTL		0x0012
#	define RADEON_FORCEON_MCLKA		(1 << 16)
#	define RADEON_FORCEON_MCLKB		(1 << 17)
#	define RADEON_FORCEON_YCLKA		(1 << 18)
#	define RADEON_FORCEON_YCLKB		(1 << 19)
#	define RADEON_FORCEON_MC		(1 << 20)
#	define RADEON_FORCEON_AIC		(1 << 21)

#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_RB3D_DEPTHOFFSET		0x1c24
#define RADEON_RB3D_DEPTHPITCH		0x1c28
#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_REPLACE	(2 << 16)
#	define RADEON_STENCIL_ZPASS_REPLACE	(2 << 20)
#	define RADEON_STENCIL_ZFAIL_REPLACE	(2 << 24)
#	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
#define RADEON_SCISSOR_TL_2		0x1ce8
#define RADEON_SCISSOR_BR_2		0x1cec
#define RADEON_SE_COORD_FMT		0x1c50
#define RADEON_SE_CNTL			0x1c4c
#	define RADEON_FFACE_CULL_CW		(0 << 0)
#	define RADEON_BFACE_SOLID		(3 << 1)
#	define RADEON_FFACE_SOLID		(3 << 3)
#	define RADEON_FLAT_SHADE_VTX_LAST	(3 << 6)
#	define RADEON_DIFFUSE_SHADE_FLAT	(1 << 8)
#	define RADEON_DIFFUSE_SHADE_GOURAUD	(2 << 8)
#	define RADEON_ALPHA_SHADE_FLAT		(1 << 10)
#	define RADEON_ALPHA_SHADE_GOURAUD	(2 << 10)
#	define RADEON_SPECULAR_SHADE_FLAT	(1 << 12)
#	define RADEON_SPECULAR_SHADE_GOURAUD	(2 << 12)
#	define RADEON_FOG_SHADE_FLAT		(1 << 14)
#	define RADEON_FOG_SHADE_GOURAUD		(2 << 14)
#	define RADEON_VPORT_XY_XFORM_ENABLE	(1 << 24)
#	define RADEON_VPORT_Z_XFORM_ENABLE	(1 << 25)
#	define RADEON_VTX_PIX_CENTER_OGL	(1 << 27)
#	define RADEON_ROUND_MODE_TRUNC		(0 << 28)
#	define RADEON_ROUND_PREC_8TH_PIX	(1 << 30)
#define RADEON_SE_CNTL_STATUS		0x2140
#define RADEON_SE_LINE_WIDTH		0x1db8
#define RADEON_SE_VPORT_XSCALE		0x1d98
#define RADEON_SE_ZBIAS_FACTOR		0x1db0
#define RADEON_SE_TCL_MATERIAL_EMMISSIVE_RED 0x2210
#define RADEON_SE_TCL_OUTPUT_VTX_FMT         0x2254
#define RADEON_SE_TCL_VECTOR_INDX_REG        0x2200
#       define RADEON_VEC_INDX_OCTWORD_STRIDE_SHIFT  16
#       define RADEON_VEC_INDX_DWORD_COUNT_SHIFT     28
#define RADEON_SE_TCL_VECTOR_DATA_REG       0x2204
#define RADEON_SE_TCL_SCALAR_INDX_REG       0x2208
#       define RADEON_SCAL_INDX_DWORD_STRIDE_SHIFT  16
#define RADEON_SE_TCL_SCALAR_DATA_REG       0x220C
#define RADEON_SURFACE_ACCESS_FLAGS	0x0bf8
#define RADEON_SURFACE_ACCESS_CLR	0x0bfc
#define RADEON_SURFACE_CNTL		0x0b00
#	define RADEON_SURF_TRANSLATION_DIS	(1 << 8)
#	define RADEON_NONSURF_AP0_SWP_MASK	(3 << 20)
#	define RADEON_NONSURF_AP0_SWP_LITTLE	(0 << 20)
#	define RADEON_NONSURF_AP0_SWP_BIG16	(1 << 20)
#	define RADEON_NONSURF_AP0_SWP_BIG32	(2 << 20)
#	define RADEON_NONSURF_AP1_SWP_MASK	(3 << 22)
#	define RADEON_NONSURF_AP1_SWP_LITTLE	(0 << 22)
#	define RADEON_NONSURF_AP1_SWP_BIG16	(1 << 22)
#	define RADEON_NONSURF_AP1_SWP_BIG32	(2 << 22)
#define RADEON_SURFACE0_INFO		0x0b0c
#	define RADEON_SURF_PITCHSEL_MASK	(0x1ff << 0)
#	define RADEON_SURF_TILE_MODE_MASK	(3 << 16)
#	define RADEON_SURF_TILE_MODE_MACRO	(0 << 16)
#	define RADEON_SURF_TILE_MODE_MICRO	(1 << 16)
#	define RADEON_SURF_TILE_MODE_32BIT_Z	(2 << 16)
#	define RADEON_SURF_TILE_MODE_16BIT_Z	(3 << 16)
#define RADEON_SURFACE0_LOWER_BOUND	0x0b04
#define RADEON_SURFACE0_UPPER_BOUND	0x0b08
#define RADEON_SURFACE1_INFO		0x0b1c
#define RADEON_SURFACE1_LOWER_BOUND	0x0b14
#define RADEON_SURFACE1_UPPER_BOUND	0x0b18
#define RADEON_SURFACE2_INFO		0x0b2c
#define RADEON_SURFACE2_LOWER_BOUND	0x0b24
#define RADEON_SURFACE2_UPPER_BOUND	0x0b28
#define RADEON_SURFACE3_INFO		0x0b3c
#define RADEON_SURFACE3_LOWER_BOUND	0x0b34
#define RADEON_SURFACE3_UPPER_BOUND	0x0b38
#define RADEON_SURFACE4_INFO		0x0b4c
#define RADEON_SURFACE4_LOWER_BOUND	0x0b44
#define RADEON_SURFACE4_UPPER_BOUND	0x0b48
#define RADEON_SURFACE5_INFO		0x0b5c
#define RADEON_SURFACE5_LOWER_BOUND	0x0b54
#define RADEON_SURFACE5_UPPER_BOUND	0x0b58
#define RADEON_SURFACE6_INFO		0x0b6c
#define RADEON_SURFACE6_LOWER_BOUND	0x0b64
#define RADEON_SURFACE6_UPPER_BOUND	0x0b68
#define RADEON_SURFACE7_INFO		0x0b7c
#define RADEON_SURFACE7_LOWER_BOUND	0x0b74
#define RADEON_SURFACE7_UPPER_BOUND	0x0b78
#define RADEON_SW_SEMAPHORE		0x013c

#define RADEON_WAIT_UNTIL		0x1720
#	define RADEON_WAIT_CRTC_PFLIP		(1 << 0)
#	define RADEON_WAIT_2D_IDLECLEAN		(1 << 16)
#	define RADEON_WAIT_3D_IDLECLEAN		(1 << 17)
#	define RADEON_WAIT_HOST_IDLECLEAN	(1 << 18)

#define RADEON_RB3D_ZMASKOFFSET		0x1c34
#define RADEON_RB3D_ZSTENCILCNTL	0x1c2c
#	define RADEON_DEPTH_FORMAT_16BIT_INT_Z	(0 << 0)
#	define RADEON_DEPTH_FORMAT_24BIT_INT_Z	(2 << 0)


/* CP registers */
#define RADEON_CP_ME_RAM_ADDR		0x07d4
#define RADEON_CP_ME_RAM_RADDR		0x07d8
#define RADEON_CP_ME_RAM_DATAH		0x07dc
#define RADEON_CP_ME_RAM_DATAL		0x07e0

#define RADEON_CP_RB_BASE		0x0700
#define RADEON_CP_RB_CNTL		0x0704
#	define RADEON_BUF_SWAP_32BIT		(2 << 16)
#define RADEON_CP_RB_RPTR_ADDR		0x070c
#define RADEON_CP_RB_RPTR		0x0710
#define RADEON_CP_RB_WPTR		0x0714

#define RADEON_CP_RB_WPTR_DELAY		0x0718
#	define RADEON_PRE_WRITE_TIMER_SHIFT	0
#	define RADEON_PRE_WRITE_LIMIT_SHIFT	23

#define RADEON_CP_IB_BASE		0x0738

#define RADEON_CP_CSQ_CNTL		0x0740
#	define RADEON_CSQ_CNT_PRIMARY_MASK	(0xff << 0)
#	define RADEON_CSQ_PRIDIS_INDDIS		(0 << 28)
#	define RADEON_CSQ_PRIPIO_INDDIS		(1 << 28)
#	define RADEON_CSQ_PRIBM_INDDIS		(2 << 28)
#	define RADEON_CSQ_PRIPIO_INDBM		(3 << 28)
#	define RADEON_CSQ_PRIBM_INDBM		(4 << 28)
#	define RADEON_CSQ_PRIPIO_INDPIO		(15 << 28)

#define RADEON_AIC_CNTL			0x01d0
#	define RADEON_PCIGART_TRANSLATE_EN	(1 << 0)
#define RADEON_AIC_STAT			0x01d4
#define RADEON_AIC_PT_BASE		0x01d8
#define RADEON_AIC_LO_ADDR		0x01dc
#define RADEON_AIC_HI_ADDR		0x01e0
#define RADEON_AIC_TLB_ADDR		0x01e4
#define RADEON_AIC_TLB_DATA		0x01e8

/* CP command packets */
#define RADEON_CP_PACKET0		0x00000000
#	define RADEON_ONE_REG_WR		(1 << 15)
#define RADEON_CP_PACKET1		0x40000000
#define RADEON_CP_PACKET2		0x80000000
#define RADEON_CP_PACKET3		0xC0000000
#	define RADEON_3D_RNDR_GEN_INDX_PRIM	0x00002300
#	define RADEON_WAIT_FOR_IDLE		0x00002600
#	define RADEON_3D_DRAW_VBUF		0x00002800
#	define RADEON_3D_DRAW_IMMD		0x00002900
#	define RADEON_3D_DRAW_INDX		0x00002A00
#	define RADEON_3D_LOAD_VBPNTR		0x00002F00
#	define RADEON_CNTL_HOSTDATA_BLT		0x00009400
#	define RADEON_CNTL_PAINT_MULTI		0x00009A00
#	define RADEON_CNTL_BITBLT_MULTI		0x00009B00
#	define RADEON_CNTL_SET_SCISSORS		0xC0001E00

#define RADEON_CP_PACKET_MASK		0xC0000000
#define RADEON_CP_PACKET_COUNT_MASK	0x3fff0000
#define RADEON_CP_PACKET0_REG_MASK	0x000007ff
#define RADEON_CP_PACKET1_REG0_MASK	0x000007ff
#define RADEON_CP_PACKET1_REG1_MASK	0x003ff800

#define RADEON_VTX_Z_PRESENT			(1 << 31)
#define RADEON_VTX_PKCOLOR_PRESENT		(1 << 3)

#define RADEON_PRIM_TYPE_NONE			(0 << 0)
#define RADEON_PRIM_TYPE_POINT			(1 << 0)
#define RADEON_PRIM_TYPE_LINE			(2 << 0)
#define RADEON_PRIM_TYPE_LINE_STRIP		(3 << 0)
#define RADEON_PRIM_TYPE_TRI_LIST		(4 << 0)
#define RADEON_PRIM_TYPE_TRI_FAN		(5 << 0)
#define RADEON_PRIM_TYPE_TRI_STRIP		(6 << 0)
#define RADEON_PRIM_TYPE_TRI_TYPE2		(7 << 0)
#define RADEON_PRIM_TYPE_RECT_LIST		(8 << 0)
#define RADEON_PRIM_TYPE_3VRT_POINT_LIST	(9 << 0)
#define RADEON_PRIM_TYPE_3VRT_LINE_LIST		(10 << 0)
#define RADEON_PRIM_TYPE_MASK                   0xf
#define RADEON_PRIM_WALK_IND			(1 << 4)
#define RADEON_PRIM_WALK_LIST			(2 << 4)
#define RADEON_PRIM_WALK_RING			(3 << 4)
#define RADEON_COLOR_ORDER_BGRA			(0 << 6)
#define RADEON_COLOR_ORDER_RGBA			(1 << 6)
#define RADEON_MAOS_ENABLE			(1 << 7)
#define RADEON_VTX_FMT_R128_MODE		(0 << 8)
#define RADEON_VTX_FMT_RADEON_MODE		(1 << 8)
#define RADEON_NUM_VERTICES_SHIFT		16

#define RADEON_COLOR_FORMAT_CI8		2
#define RADEON_COLOR_FORMAT_ARGB1555	3
#define RADEON_COLOR_FORMAT_RGB565	4
#define RADEON_COLOR_FORMAT_ARGB8888	6
#define RADEON_COLOR_FORMAT_RGB332	7
#define RADEON_COLOR_FORMAT_RGB8	9
#define RADEON_COLOR_FORMAT_ARGB4444	15

#define RADEON_TXFORMAT_I8		0
#define RADEON_TXFORMAT_AI88		1
#define RADEON_TXFORMAT_RGB332		2
#define RADEON_TXFORMAT_ARGB1555	3
#define RADEON_TXFORMAT_RGB565		4
#define RADEON_TXFORMAT_ARGB4444	5
#define RADEON_TXFORMAT_ARGB8888	6
#define RADEON_TXFORMAT_RGBA8888	7
#define RADEON_TXFORMAT_Y8		8
#define RADEON_TXFORMAT_VYUY422         10
#define RADEON_TXFORMAT_YVYU422         11
#define RADEON_TXFORMAT_DXT1            12
#define RADEON_TXFORMAT_DXT23           14
#define RADEON_TXFORMAT_DXT45           15

#define R200_PP_TXCBLEND_0                0x2f00
#define R200_PP_TXCBLEND_1                0x2f10
#define R200_PP_TXCBLEND_2                0x2f20
#define R200_PP_TXCBLEND_3                0x2f30
#define R200_PP_TXCBLEND_4                0x2f40
#define R200_PP_TXCBLEND_5                0x2f50
#define R200_PP_TXCBLEND_6                0x2f60
#define R200_PP_TXCBLEND_7                0x2f70
#define R200_SE_TCL_LIGHT_MODEL_CTL_0     0x2268 
#define R200_PP_TFACTOR_0                 0x2ee0
#define R200_SE_VTX_FMT_0                 0x2088
#define R200_SE_VAP_CNTL                  0x2080
#define R200_SE_TCL_MATRIX_SEL_0          0x2230
#define R200_SE_TCL_TEX_PROC_CTL_2        0x22a8 
#define R200_SE_TCL_UCP_VERT_BLEND_CTL    0x22c0 
#define R200_PP_TXFILTER_5                0x2ca0 
#define R200_PP_TXFILTER_4                0x2c80 
#define R200_PP_TXFILTER_3                0x2c60 
#define R200_PP_TXFILTER_2                0x2c40 
#define R200_PP_TXFILTER_1                0x2c20 
#define R200_PP_TXFILTER_0                0x2c00 
#define R200_PP_TXOFFSET_5                0x2d78
#define R200_PP_TXOFFSET_4                0x2d60
#define R200_PP_TXOFFSET_3                0x2d48
#define R200_PP_TXOFFSET_2                0x2d30
#define R200_PP_TXOFFSET_1                0x2d18
#define R200_PP_TXOFFSET_0                0x2d00

#define R200_PP_CUBIC_FACES_0             0x2c18
#define R200_PP_CUBIC_FACES_1             0x2c38
#define R200_PP_CUBIC_FACES_2             0x2c58
#define R200_PP_CUBIC_FACES_3             0x2c78
#define R200_PP_CUBIC_FACES_4             0x2c98
#define R200_PP_CUBIC_FACES_5             0x2cb8
#define R200_PP_CUBIC_OFFSET_F1_0         0x2d04
#define R200_PP_CUBIC_OFFSET_F2_0         0x2d08
#define R200_PP_CUBIC_OFFSET_F3_0         0x2d0c
#define R200_PP_CUBIC_OFFSET_F4_0         0x2d10
#define R200_PP_CUBIC_OFFSET_F5_0         0x2d14
#define R200_PP_CUBIC_OFFSET_F1_1         0x2d1c
#define R200_PP_CUBIC_OFFSET_F2_1         0x2d20
#define R200_PP_CUBIC_OFFSET_F3_1         0x2d24
#define R200_PP_CUBIC_OFFSET_F4_1         0x2d28
#define R200_PP_CUBIC_OFFSET_F5_1         0x2d2c
#define R200_PP_CUBIC_OFFSET_F1_2         0x2d34
#define R200_PP_CUBIC_OFFSET_F2_2         0x2d38
#define R200_PP_CUBIC_OFFSET_F3_2         0x2d3c
#define R200_PP_CUBIC_OFFSET_F4_2         0x2d40
#define R200_PP_CUBIC_OFFSET_F5_2         0x2d44
#define R200_PP_CUBIC_OFFSET_F1_3         0x2d4c
#define R200_PP_CUBIC_OFFSET_F2_3         0x2d50
#define R200_PP_CUBIC_OFFSET_F3_3         0x2d54
#define R200_PP_CUBIC_OFFSET_F4_3         0x2d58
#define R200_PP_CUBIC_OFFSET_F5_3         0x2d5c
#define R200_PP_CUBIC_OFFSET_F1_4         0x2d64
#define R200_PP_CUBIC_OFFSET_F2_4         0x2d68
#define R200_PP_CUBIC_OFFSET_F3_4         0x2d6c
#define R200_PP_CUBIC_OFFSET_F4_4         0x2d70
#define R200_PP_CUBIC_OFFSET_F5_4         0x2d74
#define R200_PP_CUBIC_OFFSET_F1_5         0x2d7c
#define R200_PP_CUBIC_OFFSET_F2_5         0x2d80
#define R200_PP_CUBIC_OFFSET_F3_5         0x2d84
#define R200_PP_CUBIC_OFFSET_F4_5         0x2d88
#define R200_PP_CUBIC_OFFSET_F5_5         0x2d8c

#define R200_RE_AUX_SCISSOR_CNTL          0x26f0
#define R200_SE_VTE_CNTL                  0x20b0
#define R200_SE_TCL_OUTPUT_VTX_COMP_SEL   0x2250
#define R200_PP_TAM_DEBUG3                0x2d9c
#define R200_PP_CNTL_X                    0x2cc4
#define R200_SE_VAP_CNTL_STATUS           0x2140
#define R200_RE_SCISSOR_TL_0              0x1cd8
#define R200_RE_SCISSOR_TL_1              0x1ce0
#define R200_RE_SCISSOR_TL_2              0x1ce8
#define R200_RB3D_DEPTHXY_OFFSET          0x1d60 
#define R200_RE_AUX_SCISSOR_CNTL          0x26f0
#define R200_SE_VTX_STATE_CNTL            0x2180
#define R200_RE_POINTSIZE                 0x2648
#define R200_SE_TCL_INPUT_VTX_VECTOR_ADDR_0 0x2254

#define RADEON_PP_TEX_SIZE_0                0x1d04  /* NPOT */
#define RADEON_PP_TEX_SIZE_1                0x1d0c
#define RADEON_PP_TEX_SIZE_2                0x1d14


#define SE_VAP_CNTL__TCL_ENA_MASK                          0x00000001
#define SE_VAP_CNTL__FORCE_W_TO_ONE_MASK                   0x00010000
#define SE_VAP_CNTL__VF_MAX_VTX_NUM__SHIFT                 0x00000012
#define SE_VTE_CNTL__VTX_XY_FMT_MASK                       0x00000100
#define SE_VTE_CNTL__VTX_Z_FMT_MASK                        0x00000200
#define SE_VTX_FMT_0__VTX_Z0_PRESENT_MASK                  0x00000001
#define SE_VTX_FMT_0__VTX_W0_PRESENT_MASK                  0x00000002
#define SE_VTX_FMT_0__VTX_COLOR_0_FMT__SHIFT               0x0000000b
#define R200_3D_DRAW_IMMD_2      0xC0003500
#define R200_SE_VTX_FMT_1                 0x208c
#define R200_RE_CNTL                      0x1c50 


/* Constants */
#define RADEON_MAX_USEC_TIMEOUT		100000	/* 100 ms */

#define RADEON_LAST_FRAME_REG		RADEON_SCRATCH_REG0
#define RADEON_LAST_DISPATCH_REG	RADEON_SCRATCH_REG1
#define RADEON_LAST_CLEAR_REG		RADEON_SCRATCH_REG2
#define RADEON_LAST_SWI_REG		RADEON_SCRATCH_REG3
#define RADEON_LAST_DISPATCH		1

#define RADEON_MAX_VB_AGE		0x7fffffff
#define RADEON_MAX_VB_VERTS		(0xffff)

#define RADEON_RING_HIGH_MARK		128

#define RADEON_READ(reg)	DRM_READ32(  dev_priv->mmio, (reg) )
#define RADEON_WRITE(reg,val)	DRM_WRITE32( dev_priv->mmio, (reg), (val) )
#define RADEON_READ8(reg)	DRM_READ8(  dev_priv->mmio, (reg) )
#define RADEON_WRITE8(reg,val)	DRM_WRITE8( dev_priv->mmio, (reg), (val) )

#define RADEON_WRITE_PLL( addr, val )					\
do {									\
	RADEON_WRITE8( RADEON_CLOCK_CNTL_INDEX,				\
		       ((addr) & 0x1f) | RADEON_PLL_WR_EN );		\
	RADEON_WRITE( RADEON_CLOCK_CNTL_DATA, (val) );			\
} while (0)

extern int RADEON_READ_PLL( drm_device_t *dev, int addr );


#define CP_PACKET0( reg, n )						\
	(RADEON_CP_PACKET0 | ((n) << 16) | ((reg) >> 2))
#define CP_PACKET0_TABLE( reg, n )					\
	(RADEON_CP_PACKET0 | RADEON_ONE_REG_WR | ((n) << 16) | ((reg) >> 2))
#define CP_PACKET1( reg0, reg1 )					\
	(RADEON_CP_PACKET1 | (((reg1) >> 2) << 15) | ((reg0) >> 2))
#define CP_PACKET2()							\
	(RADEON_CP_PACKET2)
#define CP_PACKET3( pkt, n )						\
	(RADEON_CP_PACKET3 | (pkt) | ((n) << 16))


/* ================================================================
 * Engine control helper macros
 */

#define RADEON_WAIT_UNTIL_2D_IDLE() do {				\
	OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) );			\
	OUT_RING( (RADEON_WAIT_2D_IDLECLEAN |				\
		   RADEON_WAIT_HOST_IDLECLEAN) );			\
} while (0)

#define RADEON_WAIT_UNTIL_3D_IDLE() do {				\
	OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) );			\
	OUT_RING( (RADEON_WAIT_3D_IDLECLEAN |				\
		   RADEON_WAIT_HOST_IDLECLEAN) );			\
} while (0)

#define RADEON_WAIT_UNTIL_IDLE() do {					\
	OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) );			\
	OUT_RING( (RADEON_WAIT_2D_IDLECLEAN |				\
		   RADEON_WAIT_3D_IDLECLEAN |				\
		   RADEON_WAIT_HOST_IDLECLEAN) );			\
} while (0)

#define RADEON_WAIT_UNTIL_PAGE_FLIPPED() do {				\
	OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) );			\
	OUT_RING( RADEON_WAIT_CRTC_PFLIP );				\
} while (0)

#define RADEON_FLUSH_CACHE() do {					\
	OUT_RING( CP_PACKET0( RADEON_RB2D_DSTCACHE_CTLSTAT, 0 ) );	\
	OUT_RING( RADEON_RB2D_DC_FLUSH );				\
} while (0)

#define RADEON_PURGE_CACHE() do {					\
	OUT_RING( CP_PACKET0( RADEON_RB2D_DSTCACHE_CTLSTAT, 0 ) );	\
	OUT_RING( RADEON_RB2D_DC_FLUSH_ALL );				\
} while (0)

#define RADEON_FLUSH_ZCACHE() do {					\
	OUT_RING( CP_PACKET0( RADEON_RB3D_ZCACHE_CTLSTAT, 0 ) );	\
	OUT_RING( RADEON_RB3D_ZC_FLUSH );				\
} while (0)

#define RADEON_PURGE_ZCACHE() do {					\
	OUT_RING( CP_PACKET0( RADEON_RB3D_ZCACHE_CTLSTAT, 0 ) );	\
	OUT_RING( RADEON_RB3D_ZC_FLUSH_ALL );				\
} while (0)


/* ================================================================
 * Misc helper macros
 */

/* Perfbox functionality only.  
 */
#define RING_SPACE_TEST_WITH_RETURN( dev_priv )				\
do {									\
	if (!(dev_priv->stats.boxes & RADEON_BOX_DMA_IDLE)) {		\
		u32 head = GET_RING_HEAD( dev_priv );			\
		if (head == dev_priv->ring.tail)			\
			dev_priv->stats.boxes |= RADEON_BOX_DMA_IDLE;	\
	}								\
} while (0)

#define VB_AGE_TEST_WITH_RETURN( dev_priv )				\
do {									\
	drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;		\
	if ( sarea_priv->last_dispatch >= RADEON_MAX_VB_AGE ) {		\
		int __ret = radeon_do_cp_idle( dev_priv );		\
		if ( __ret ) return __ret;				\
		sarea_priv->last_dispatch = 0;				\
		radeon_freelist_reset( dev );				\
	}								\
} while (0)

#define RADEON_DISPATCH_AGE( age ) do {					\
	OUT_RING( CP_PACKET0( RADEON_LAST_DISPATCH_REG, 0 ) );		\
	OUT_RING( age );						\
} while (0)

#define RADEON_FRAME_AGE( age ) do {					\
	OUT_RING( CP_PACKET0( RADEON_LAST_FRAME_REG, 0 ) );		\
	OUT_RING( age );						\
} while (0)

#define RADEON_CLEAR_AGE( age ) do {					\
	OUT_RING( CP_PACKET0( RADEON_LAST_CLEAR_REG, 0 ) );		\
	OUT_RING( age );						\
} while (0)


/* ================================================================
 * Ring control
 */

#define RADEON_VERBOSE	0

#define RING_LOCALS	int write, _nr; unsigned int mask; u32 *ring;

#define BEGIN_RING( n ) do {						\
	if ( RADEON_VERBOSE ) {						\
		DRM_INFO( "BEGIN_RING( %d ) in %s\n",			\
			   n, __FUNCTION__ );				\
	}								\
	if ( dev_priv->ring.space <= (n) * sizeof(u32) ) {		\
                COMMIT_RING();						\
		radeon_wait_ring( dev_priv, (n) * sizeof(u32) );	\
	}								\
	_nr = n; dev_priv->ring.space -= (n) * sizeof(u32);		\
	ring = dev_priv->ring.start;					\
	write = dev_priv->ring.tail;					\
	mask = dev_priv->ring.tail_mask;				\
} while (0)

#define ADVANCE_RING() do {						\
	if ( RADEON_VERBOSE ) {						\
		DRM_INFO( "ADVANCE_RING() wr=0x%06x tail=0x%06x\n",	\
			  write, dev_priv->ring.tail );			\
	}								\
	if (((dev_priv->ring.tail + _nr) & mask) != write) {		\
		DRM_ERROR( 						\
			"ADVANCE_RING(): mismatch: nr: %x write: %x line: %d\n",	\
			((dev_priv->ring.tail + _nr) & mask),		\
			write, __LINE__);						\
	} else								\
		dev_priv->ring.tail = write;				\
} while (0)

#define COMMIT_RING() do {						\
	/* Flush writes to ring */					\
	DRM_MEMORYBARRIER();						\
	GET_RING_HEAD( dev_priv );					\
	RADEON_WRITE( RADEON_CP_RB_WPTR, dev_priv->ring.tail );		\
	/* read from PCI bus to ensure correct posting */		\
	RADEON_READ( RADEON_CP_RB_RPTR );				\
} while (0)

#define OUT_RING( x ) do {						\
	if ( RADEON_VERBOSE ) {						\
		DRM_INFO( "   OUT_RING( 0x%08x ) at 0x%x\n",		\
			   (unsigned int)(x), write );			\
	}								\
	ring[write++] = (x);						\
	write &= mask;							\
} while (0)

#define OUT_RING_REG( reg, val ) do {					\
	OUT_RING( CP_PACKET0( reg, 0 ) );				\
	OUT_RING( val );						\
} while (0)


#define OUT_RING_USER_TABLE( tab, sz ) do {			\
	int _size = (sz);					\
	int *_tab = (tab);					\
								\
	if (write + _size > mask) {				\
		int i = (mask+1) - write;			\
		if (DRM_COPY_FROM_USER_UNCHECKED( (int *)(ring+write),	\
				      _tab, i*4 ))		\
			return DRM_ERR(EFAULT);		\
		write = 0;					\
		_size -= i;					\
		_tab += i;					\
	}							\
								\
	if (_size && DRM_COPY_FROM_USER_UNCHECKED( (int *)(ring+write),	\
			               _tab, _size*4 ))		\
		return DRM_ERR(EFAULT);			\
								\
	write += _size;						\
	write &= mask;						\
} while (0)


#endif /* __RADEON_DRV_H__ */