radeon_drv.h revision 122580
1/* radeon_drv.h -- Private header for radeon driver -*- linux-c -*-
2 *
3 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
4 * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
5 * All rights reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the next
15 * paragraph) shall be included in all copies or substantial portions of the
16 * Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
21 * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
22 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
23 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24 * DEALINGS IN THE SOFTWARE.
25 *
26 * Authors:
27 *    Kevin E. Martin <martin@valinux.com>
28 *    Gareth Hughes <gareth@valinux.com>
29 *
30 * $FreeBSD: head/sys/dev/drm/radeon_drv.h 122580 2003-11-12 20:56:30Z anholt $
31 */
32
33#ifndef __RADEON_DRV_H__
34#define __RADEON_DRV_H__
35
36#define GET_RING_HEAD(dev_priv)		DRM_READ32(  (dev_priv)->ring_rptr, 0 )
37#define SET_RING_HEAD(dev_priv,val)	DRM_WRITE32( (dev_priv)->ring_rptr, 0, (val) )
38
39typedef struct drm_radeon_freelist {
40   	unsigned int age;
41   	drm_buf_t *buf;
42   	struct drm_radeon_freelist *next;
43   	struct drm_radeon_freelist *prev;
44} drm_radeon_freelist_t;
45
46typedef struct drm_radeon_ring_buffer {
47	u32 *start;
48	u32 *end;
49	int size;
50	int size_l2qw;
51
52	u32 tail;
53	u32 tail_mask;
54	int space;
55
56	int high_mark;
57} drm_radeon_ring_buffer_t;
58
59typedef struct drm_radeon_depth_clear_t {
60	u32 rb3d_cntl;
61	u32 rb3d_zstencilcntl;
62	u32 se_cntl;
63} drm_radeon_depth_clear_t;
64
65
66struct mem_block {
67	struct mem_block *next;
68	struct mem_block *prev;
69	int start;
70	int size;
71	DRMFILE filp;		/* 0: free, -1: heap, other: real files */
72};
73
74typedef struct drm_radeon_private {
75	drm_radeon_ring_buffer_t ring;
76	drm_radeon_sarea_t *sarea_priv;
77
78	u32 fb_location;
79
80	int gart_size;
81	u32 gart_vm_start;
82	unsigned long gart_buffers_offset;
83
84	int cp_mode;
85	int cp_running;
86
87   	drm_radeon_freelist_t *head;
88   	drm_radeon_freelist_t *tail;
89	int last_buf;
90	volatile u32 *scratch;
91	int writeback_works;
92
93	int usec_timeout;
94
95	int is_r200;
96
97	int is_pci;
98	unsigned long phys_pci_gart;
99	dma_addr_t bus_pci_gart;
100
101	struct {
102		u32 boxes;
103		int freelist_timeouts;
104		int freelist_loops;
105		int requested_bufs;
106		int last_frame_reads;
107		int last_clear_reads;
108		int clears;
109		int texture_uploads;
110	} stats;
111
112	int do_boxes;
113	int page_flipping;
114	int current_page;
115
116	u32 color_fmt;
117	unsigned int front_offset;
118	unsigned int front_pitch;
119	unsigned int back_offset;
120	unsigned int back_pitch;
121
122	u32 depth_fmt;
123	unsigned int depth_offset;
124	unsigned int depth_pitch;
125
126	u32 front_pitch_offset;
127	u32 back_pitch_offset;
128	u32 depth_pitch_offset;
129
130	drm_radeon_depth_clear_t depth_clear;
131
132	unsigned long fb_offset;
133	unsigned long mmio_offset;
134	unsigned long ring_offset;
135	unsigned long ring_rptr_offset;
136	unsigned long buffers_offset;
137	unsigned long gart_textures_offset;
138
139	drm_local_map_t *sarea;
140	drm_local_map_t *fb;
141	drm_local_map_t *mmio;
142	drm_local_map_t *cp_ring;
143	drm_local_map_t *ring_rptr;
144	drm_local_map_t *buffers;
145	drm_local_map_t *gart_textures;
146
147	struct mem_block *gart_heap;
148	struct mem_block *fb_heap;
149
150	/* SW interrupt */
151   	wait_queue_head_t swi_queue;
152   	atomic_t swi_emitted;
153
154} drm_radeon_private_t;
155
156typedef struct drm_radeon_buf_priv {
157	u32 age;
158} drm_radeon_buf_priv_t;
159
160				/* radeon_cp.c */
161extern int radeon_cp_init( DRM_IOCTL_ARGS );
162extern int radeon_cp_start( DRM_IOCTL_ARGS );
163extern int radeon_cp_stop( DRM_IOCTL_ARGS );
164extern int radeon_cp_reset( DRM_IOCTL_ARGS );
165extern int radeon_cp_idle( DRM_IOCTL_ARGS );
166extern int radeon_cp_resume( DRM_IOCTL_ARGS );
167extern int radeon_engine_reset( DRM_IOCTL_ARGS );
168extern int radeon_fullscreen( DRM_IOCTL_ARGS );
169extern int radeon_cp_buffers( DRM_IOCTL_ARGS );
170
171extern void radeon_freelist_reset( drm_device_t *dev );
172extern drm_buf_t *radeon_freelist_get( drm_device_t *dev );
173
174extern int radeon_wait_ring( drm_radeon_private_t *dev_priv, int n );
175
176extern int radeon_do_cp_idle( drm_radeon_private_t *dev_priv );
177extern int radeon_do_cleanup_cp( drm_device_t *dev );
178extern int radeon_do_cleanup_pageflip( drm_device_t *dev );
179
180				/* radeon_state.c */
181extern int radeon_cp_clear( DRM_IOCTL_ARGS );
182extern int radeon_cp_swap( DRM_IOCTL_ARGS );
183extern int radeon_cp_vertex( DRM_IOCTL_ARGS );
184extern int radeon_cp_indices( DRM_IOCTL_ARGS );
185extern int radeon_cp_texture( DRM_IOCTL_ARGS );
186extern int radeon_cp_stipple( DRM_IOCTL_ARGS );
187extern int radeon_cp_indirect( DRM_IOCTL_ARGS );
188extern int radeon_cp_vertex2( DRM_IOCTL_ARGS );
189extern int radeon_cp_cmdbuf( DRM_IOCTL_ARGS );
190extern int radeon_cp_getparam( DRM_IOCTL_ARGS );
191extern int radeon_cp_setparam( DRM_IOCTL_ARGS );
192extern int radeon_cp_flip( DRM_IOCTL_ARGS );
193
194extern int radeon_mem_alloc( DRM_IOCTL_ARGS );
195extern int radeon_mem_free( DRM_IOCTL_ARGS );
196extern int radeon_mem_init_heap( DRM_IOCTL_ARGS );
197extern void radeon_mem_takedown( struct mem_block **heap );
198extern void radeon_mem_release( DRMFILE filp, struct mem_block *heap );
199
200				/* radeon_irq.c */
201extern int radeon_irq_emit( DRM_IOCTL_ARGS );
202extern int radeon_irq_wait( DRM_IOCTL_ARGS );
203
204extern int radeon_emit_and_wait_irq(drm_device_t *dev);
205extern int radeon_wait_irq(drm_device_t *dev, int swi_nr);
206extern int radeon_emit_irq(drm_device_t *dev);
207
208extern void radeon_do_release(drm_device_t *dev);
209
210/* Flags for stats.boxes
211 */
212#define RADEON_BOX_DMA_IDLE      0x1
213#define RADEON_BOX_RING_FULL     0x2
214#define RADEON_BOX_FLIP          0x4
215#define RADEON_BOX_WAIT_IDLE     0x8
216#define RADEON_BOX_TEXTURE_LOAD  0x10
217
218
219
220/* Register definitions, register access macros and drmAddMap constants
221 * for Radeon kernel driver.
222 */
223
224#define RADEON_AGP_COMMAND		0x0f60
225#define RADEON_AUX_SCISSOR_CNTL		0x26f0
226#	define RADEON_EXCLUSIVE_SCISSOR_0	(1 << 24)
227#	define RADEON_EXCLUSIVE_SCISSOR_1	(1 << 25)
228#	define RADEON_EXCLUSIVE_SCISSOR_2	(1 << 26)
229#	define RADEON_SCISSOR_0_ENABLE		(1 << 28)
230#	define RADEON_SCISSOR_1_ENABLE		(1 << 29)
231#	define RADEON_SCISSOR_2_ENABLE		(1 << 30)
232
233#define RADEON_BUS_CNTL			0x0030
234#	define RADEON_BUS_MASTER_DIS		(1 << 6)
235
236#define RADEON_CLOCK_CNTL_DATA		0x000c
237#	define RADEON_PLL_WR_EN			(1 << 7)
238#define RADEON_CLOCK_CNTL_INDEX		0x0008
239#define RADEON_CONFIG_APER_SIZE		0x0108
240#define RADEON_CRTC_OFFSET		0x0224
241#define RADEON_CRTC_OFFSET_CNTL		0x0228
242#	define RADEON_CRTC_TILE_EN		(1 << 15)
243#	define RADEON_CRTC_OFFSET_FLIP_CNTL	(1 << 16)
244#define RADEON_CRTC2_OFFSET		0x0324
245#define RADEON_CRTC2_OFFSET_CNTL	0x0328
246
247#define RADEON_RB3D_COLOROFFSET		0x1c40
248#define RADEON_RB3D_COLORPITCH		0x1c48
249
250#define RADEON_DP_GUI_MASTER_CNTL	0x146c
251#	define RADEON_GMC_SRC_PITCH_OFFSET_CNTL	(1 << 0)
252#	define RADEON_GMC_DST_PITCH_OFFSET_CNTL	(1 << 1)
253#	define RADEON_GMC_BRUSH_SOLID_COLOR	(13 << 4)
254#	define RADEON_GMC_BRUSH_NONE		(15 << 4)
255#	define RADEON_GMC_DST_16BPP		(4 << 8)
256#	define RADEON_GMC_DST_24BPP		(5 << 8)
257#	define RADEON_GMC_DST_32BPP		(6 << 8)
258#	define RADEON_GMC_DST_DATATYPE_SHIFT	8
259#	define RADEON_GMC_SRC_DATATYPE_COLOR	(3 << 12)
260#	define RADEON_DP_SRC_SOURCE_MEMORY	(2 << 24)
261#	define RADEON_DP_SRC_SOURCE_HOST_DATA	(3 << 24)
262#	define RADEON_GMC_CLR_CMP_CNTL_DIS	(1 << 28)
263#	define RADEON_GMC_WR_MSK_DIS		(1 << 30)
264#	define RADEON_ROP3_S			0x00cc0000
265#	define RADEON_ROP3_P			0x00f00000
266#define RADEON_DP_WRITE_MASK		0x16cc
267#define RADEON_DST_PITCH_OFFSET		0x142c
268#define RADEON_DST_PITCH_OFFSET_C	0x1c80
269#	define RADEON_DST_TILE_LINEAR		(0 << 30)
270#	define RADEON_DST_TILE_MACRO		(1 << 30)
271#	define RADEON_DST_TILE_MICRO		(2 << 30)
272#	define RADEON_DST_TILE_BOTH		(3 << 30)
273
274#define RADEON_SCRATCH_REG0		0x15e0
275#define RADEON_SCRATCH_REG1		0x15e4
276#define RADEON_SCRATCH_REG2		0x15e8
277#define RADEON_SCRATCH_REG3		0x15ec
278#define RADEON_SCRATCH_REG4		0x15f0
279#define RADEON_SCRATCH_REG5		0x15f4
280#define RADEON_SCRATCH_UMSK		0x0770
281#define RADEON_SCRATCH_ADDR		0x0774
282
283#define RADEON_SCRATCHOFF( x )		(RADEON_SCRATCH_REG_OFFSET + 4*(x))
284
285#define GET_SCRATCH( x )	(dev_priv->writeback_works			\
286				? DRM_READ32( dev_priv->ring_rptr, RADEON_SCRATCHOFF(x) ) \
287				: RADEON_READ( RADEON_SCRATCH_REG0 + 4*(x) ) )
288
289
290#define RADEON_GEN_INT_CNTL		0x0040
291#	define RADEON_CRTC_VBLANK_MASK		(1 << 0)
292#	define RADEON_GUI_IDLE_INT_ENABLE	(1 << 19)
293#	define RADEON_SW_INT_ENABLE		(1 << 25)
294
295#define RADEON_GEN_INT_STATUS		0x0044
296#	define RADEON_CRTC_VBLANK_STAT		(1 << 0)
297#	define RADEON_CRTC_VBLANK_STAT_ACK   	(1 << 0)
298#	define RADEON_GUI_IDLE_INT_TEST_ACK     (1 << 19)
299#	define RADEON_SW_INT_TEST		(1 << 25)
300#	define RADEON_SW_INT_TEST_ACK   	(1 << 25)
301#	define RADEON_SW_INT_FIRE		(1 << 26)
302
303#define RADEON_HOST_PATH_CNTL		0x0130
304#	define RADEON_HDP_SOFT_RESET		(1 << 26)
305#	define RADEON_HDP_WC_TIMEOUT_MASK	(7 << 28)
306#	define RADEON_HDP_WC_TIMEOUT_28BCLK	(7 << 28)
307
308#define RADEON_ISYNC_CNTL		0x1724
309#	define RADEON_ISYNC_ANY2D_IDLE3D	(1 << 0)
310#	define RADEON_ISYNC_ANY3D_IDLE2D	(1 << 1)
311#	define RADEON_ISYNC_TRIG2D_IDLE3D	(1 << 2)
312#	define RADEON_ISYNC_TRIG3D_IDLE2D	(1 << 3)
313#	define RADEON_ISYNC_WAIT_IDLEGUI	(1 << 4)
314#	define RADEON_ISYNC_CPSCRATCH_IDLEGUI	(1 << 5)
315
316#define RADEON_RBBM_GUICNTL		0x172c
317#	define RADEON_HOST_DATA_SWAP_NONE	(0 << 0)
318#	define RADEON_HOST_DATA_SWAP_16BIT	(1 << 0)
319#	define RADEON_HOST_DATA_SWAP_32BIT	(2 << 0)
320#	define RADEON_HOST_DATA_SWAP_HDW	(3 << 0)
321
322#define RADEON_MC_AGP_LOCATION		0x014c
323#define RADEON_MC_FB_LOCATION		0x0148
324#define RADEON_MCLK_CNTL		0x0012
325#	define RADEON_FORCEON_MCLKA		(1 << 16)
326#	define RADEON_FORCEON_MCLKB		(1 << 17)
327#	define RADEON_FORCEON_YCLKA		(1 << 18)
328#	define RADEON_FORCEON_YCLKB		(1 << 19)
329#	define RADEON_FORCEON_MC		(1 << 20)
330#	define RADEON_FORCEON_AIC		(1 << 21)
331
332#define RADEON_PP_BORDER_COLOR_0	0x1d40
333#define RADEON_PP_BORDER_COLOR_1	0x1d44
334#define RADEON_PP_BORDER_COLOR_2	0x1d48
335#define RADEON_PP_CNTL			0x1c38
336#	define RADEON_SCISSOR_ENABLE		(1 <<  1)
337#define RADEON_PP_LUM_MATRIX		0x1d00
338#define RADEON_PP_MISC			0x1c14
339#define RADEON_PP_ROT_MATRIX_0		0x1d58
340#define RADEON_PP_TXFILTER_0		0x1c54
341#define RADEON_PP_TXOFFSET_0		0x1c5c
342#define RADEON_PP_TXFILTER_1		0x1c6c
343#define RADEON_PP_TXFILTER_2		0x1c84
344
345#define RADEON_RB2D_DSTCACHE_CTLSTAT	0x342c
346#	define RADEON_RB2D_DC_FLUSH		(3 << 0)
347#	define RADEON_RB2D_DC_FREE		(3 << 2)
348#	define RADEON_RB2D_DC_FLUSH_ALL		0xf
349#	define RADEON_RB2D_DC_BUSY		(1 << 31)
350#define RADEON_RB3D_CNTL		0x1c3c
351#	define RADEON_ALPHA_BLEND_ENABLE	(1 << 0)
352#	define RADEON_PLANE_MASK_ENABLE		(1 << 1)
353#	define RADEON_DITHER_ENABLE		(1 << 2)
354#	define RADEON_ROUND_ENABLE		(1 << 3)
355#	define RADEON_SCALE_DITHER_ENABLE	(1 << 4)
356#	define RADEON_DITHER_INIT		(1 << 5)
357#	define RADEON_ROP_ENABLE		(1 << 6)
358#	define RADEON_STENCIL_ENABLE		(1 << 7)
359#	define RADEON_Z_ENABLE			(1 << 8)
360#define RADEON_RB3D_DEPTHOFFSET		0x1c24
361#define RADEON_RB3D_DEPTHPITCH		0x1c28
362#define RADEON_RB3D_PLANEMASK		0x1d84
363#define RADEON_RB3D_STENCILREFMASK	0x1d7c
364#define RADEON_RB3D_ZCACHE_MODE		0x3250
365#define RADEON_RB3D_ZCACHE_CTLSTAT	0x3254
366#	define RADEON_RB3D_ZC_FLUSH		(1 << 0)
367#	define RADEON_RB3D_ZC_FREE		(1 << 2)
368#	define RADEON_RB3D_ZC_FLUSH_ALL		0x5
369#	define RADEON_RB3D_ZC_BUSY		(1 << 31)
370#define RADEON_RB3D_ZSTENCILCNTL	0x1c2c
371#	define RADEON_Z_TEST_MASK		(7 << 4)
372#	define RADEON_Z_TEST_ALWAYS		(7 << 4)
373#	define RADEON_STENCIL_TEST_ALWAYS	(7 << 12)
374#	define RADEON_STENCIL_S_FAIL_REPLACE	(2 << 16)
375#	define RADEON_STENCIL_ZPASS_REPLACE	(2 << 20)
376#	define RADEON_STENCIL_ZFAIL_REPLACE	(2 << 24)
377#	define RADEON_Z_WRITE_ENABLE		(1 << 30)
378#define RADEON_RBBM_SOFT_RESET		0x00f0
379#	define RADEON_SOFT_RESET_CP		(1 <<  0)
380#	define RADEON_SOFT_RESET_HI		(1 <<  1)
381#	define RADEON_SOFT_RESET_SE		(1 <<  2)
382#	define RADEON_SOFT_RESET_RE		(1 <<  3)
383#	define RADEON_SOFT_RESET_PP		(1 <<  4)
384#	define RADEON_SOFT_RESET_E2		(1 <<  5)
385#	define RADEON_SOFT_RESET_RB		(1 <<  6)
386#	define RADEON_SOFT_RESET_HDP		(1 <<  7)
387#define RADEON_RBBM_STATUS		0x0e40
388#	define RADEON_RBBM_FIFOCNT_MASK		0x007f
389#	define RADEON_RBBM_ACTIVE		(1 << 31)
390#define RADEON_RE_LINE_PATTERN		0x1cd0
391#define RADEON_RE_MISC			0x26c4
392#define RADEON_RE_TOP_LEFT		0x26c0
393#define RADEON_RE_WIDTH_HEIGHT		0x1c44
394#define RADEON_RE_STIPPLE_ADDR		0x1cc8
395#define RADEON_RE_STIPPLE_DATA		0x1ccc
396
397#define RADEON_SCISSOR_TL_0		0x1cd8
398#define RADEON_SCISSOR_BR_0		0x1cdc
399#define RADEON_SCISSOR_TL_1		0x1ce0
400#define RADEON_SCISSOR_BR_1		0x1ce4
401#define RADEON_SCISSOR_TL_2		0x1ce8
402#define RADEON_SCISSOR_BR_2		0x1cec
403#define RADEON_SE_COORD_FMT		0x1c50
404#define RADEON_SE_CNTL			0x1c4c
405#	define RADEON_FFACE_CULL_CW		(0 << 0)
406#	define RADEON_BFACE_SOLID		(3 << 1)
407#	define RADEON_FFACE_SOLID		(3 << 3)
408#	define RADEON_FLAT_SHADE_VTX_LAST	(3 << 6)
409#	define RADEON_DIFFUSE_SHADE_FLAT	(1 << 8)
410#	define RADEON_DIFFUSE_SHADE_GOURAUD	(2 << 8)
411#	define RADEON_ALPHA_SHADE_FLAT		(1 << 10)
412#	define RADEON_ALPHA_SHADE_GOURAUD	(2 << 10)
413#	define RADEON_SPECULAR_SHADE_FLAT	(1 << 12)
414#	define RADEON_SPECULAR_SHADE_GOURAUD	(2 << 12)
415#	define RADEON_FOG_SHADE_FLAT		(1 << 14)
416#	define RADEON_FOG_SHADE_GOURAUD		(2 << 14)
417#	define RADEON_VPORT_XY_XFORM_ENABLE	(1 << 24)
418#	define RADEON_VPORT_Z_XFORM_ENABLE	(1 << 25)
419#	define RADEON_VTX_PIX_CENTER_OGL	(1 << 27)
420#	define RADEON_ROUND_MODE_TRUNC		(0 << 28)
421#	define RADEON_ROUND_PREC_8TH_PIX	(1 << 30)
422#define RADEON_SE_CNTL_STATUS		0x2140
423#define RADEON_SE_LINE_WIDTH		0x1db8
424#define RADEON_SE_VPORT_XSCALE		0x1d98
425#define RADEON_SE_ZBIAS_FACTOR		0x1db0
426#define RADEON_SE_TCL_MATERIAL_EMMISSIVE_RED 0x2210
427#define RADEON_SE_TCL_OUTPUT_VTX_FMT         0x2254
428#define RADEON_SE_TCL_VECTOR_INDX_REG        0x2200
429#       define RADEON_VEC_INDX_OCTWORD_STRIDE_SHIFT  16
430#       define RADEON_VEC_INDX_DWORD_COUNT_SHIFT     28
431#define RADEON_SE_TCL_VECTOR_DATA_REG       0x2204
432#define RADEON_SE_TCL_SCALAR_INDX_REG       0x2208
433#       define RADEON_SCAL_INDX_DWORD_STRIDE_SHIFT  16
434#define RADEON_SE_TCL_SCALAR_DATA_REG       0x220C
435#define RADEON_SURFACE_ACCESS_FLAGS	0x0bf8
436#define RADEON_SURFACE_ACCESS_CLR	0x0bfc
437#define RADEON_SURFACE_CNTL		0x0b00
438#	define RADEON_SURF_TRANSLATION_DIS	(1 << 8)
439#	define RADEON_NONSURF_AP0_SWP_MASK	(3 << 20)
440#	define RADEON_NONSURF_AP0_SWP_LITTLE	(0 << 20)
441#	define RADEON_NONSURF_AP0_SWP_BIG16	(1 << 20)
442#	define RADEON_NONSURF_AP0_SWP_BIG32	(2 << 20)
443#	define RADEON_NONSURF_AP1_SWP_MASK	(3 << 22)
444#	define RADEON_NONSURF_AP1_SWP_LITTLE	(0 << 22)
445#	define RADEON_NONSURF_AP1_SWP_BIG16	(1 << 22)
446#	define RADEON_NONSURF_AP1_SWP_BIG32	(2 << 22)
447#define RADEON_SURFACE0_INFO		0x0b0c
448#	define RADEON_SURF_PITCHSEL_MASK	(0x1ff << 0)
449#	define RADEON_SURF_TILE_MODE_MASK	(3 << 16)
450#	define RADEON_SURF_TILE_MODE_MACRO	(0 << 16)
451#	define RADEON_SURF_TILE_MODE_MICRO	(1 << 16)
452#	define RADEON_SURF_TILE_MODE_32BIT_Z	(2 << 16)
453#	define RADEON_SURF_TILE_MODE_16BIT_Z	(3 << 16)
454#define RADEON_SURFACE0_LOWER_BOUND	0x0b04
455#define RADEON_SURFACE0_UPPER_BOUND	0x0b08
456#define RADEON_SURFACE1_INFO		0x0b1c
457#define RADEON_SURFACE1_LOWER_BOUND	0x0b14
458#define RADEON_SURFACE1_UPPER_BOUND	0x0b18
459#define RADEON_SURFACE2_INFO		0x0b2c
460#define RADEON_SURFACE2_LOWER_BOUND	0x0b24
461#define RADEON_SURFACE2_UPPER_BOUND	0x0b28
462#define RADEON_SURFACE3_INFO		0x0b3c
463#define RADEON_SURFACE3_LOWER_BOUND	0x0b34
464#define RADEON_SURFACE3_UPPER_BOUND	0x0b38
465#define RADEON_SURFACE4_INFO		0x0b4c
466#define RADEON_SURFACE4_LOWER_BOUND	0x0b44
467#define RADEON_SURFACE4_UPPER_BOUND	0x0b48
468#define RADEON_SURFACE5_INFO		0x0b5c
469#define RADEON_SURFACE5_LOWER_BOUND	0x0b54
470#define RADEON_SURFACE5_UPPER_BOUND	0x0b58
471#define RADEON_SURFACE6_INFO		0x0b6c
472#define RADEON_SURFACE6_LOWER_BOUND	0x0b64
473#define RADEON_SURFACE6_UPPER_BOUND	0x0b68
474#define RADEON_SURFACE7_INFO		0x0b7c
475#define RADEON_SURFACE7_LOWER_BOUND	0x0b74
476#define RADEON_SURFACE7_UPPER_BOUND	0x0b78
477#define RADEON_SW_SEMAPHORE		0x013c
478
479#define RADEON_WAIT_UNTIL		0x1720
480#	define RADEON_WAIT_CRTC_PFLIP		(1 << 0)
481#	define RADEON_WAIT_2D_IDLECLEAN		(1 << 16)
482#	define RADEON_WAIT_3D_IDLECLEAN		(1 << 17)
483#	define RADEON_WAIT_HOST_IDLECLEAN	(1 << 18)
484
485#define RADEON_RB3D_ZMASKOFFSET		0x1c34
486#define RADEON_RB3D_ZSTENCILCNTL	0x1c2c
487#	define RADEON_DEPTH_FORMAT_16BIT_INT_Z	(0 << 0)
488#	define RADEON_DEPTH_FORMAT_24BIT_INT_Z	(2 << 0)
489
490
491/* CP registers */
492#define RADEON_CP_ME_RAM_ADDR		0x07d4
493#define RADEON_CP_ME_RAM_RADDR		0x07d8
494#define RADEON_CP_ME_RAM_DATAH		0x07dc
495#define RADEON_CP_ME_RAM_DATAL		0x07e0
496
497#define RADEON_CP_RB_BASE		0x0700
498#define RADEON_CP_RB_CNTL		0x0704
499#	define RADEON_BUF_SWAP_32BIT		(2 << 16)
500#define RADEON_CP_RB_RPTR_ADDR		0x070c
501#define RADEON_CP_RB_RPTR		0x0710
502#define RADEON_CP_RB_WPTR		0x0714
503
504#define RADEON_CP_RB_WPTR_DELAY		0x0718
505#	define RADEON_PRE_WRITE_TIMER_SHIFT	0
506#	define RADEON_PRE_WRITE_LIMIT_SHIFT	23
507
508#define RADEON_CP_IB_BASE		0x0738
509
510#define RADEON_CP_CSQ_CNTL		0x0740
511#	define RADEON_CSQ_CNT_PRIMARY_MASK	(0xff << 0)
512#	define RADEON_CSQ_PRIDIS_INDDIS		(0 << 28)
513#	define RADEON_CSQ_PRIPIO_INDDIS		(1 << 28)
514#	define RADEON_CSQ_PRIBM_INDDIS		(2 << 28)
515#	define RADEON_CSQ_PRIPIO_INDBM		(3 << 28)
516#	define RADEON_CSQ_PRIBM_INDBM		(4 << 28)
517#	define RADEON_CSQ_PRIPIO_INDPIO		(15 << 28)
518
519#define RADEON_AIC_CNTL			0x01d0
520#	define RADEON_PCIGART_TRANSLATE_EN	(1 << 0)
521#define RADEON_AIC_STAT			0x01d4
522#define RADEON_AIC_PT_BASE		0x01d8
523#define RADEON_AIC_LO_ADDR		0x01dc
524#define RADEON_AIC_HI_ADDR		0x01e0
525#define RADEON_AIC_TLB_ADDR		0x01e4
526#define RADEON_AIC_TLB_DATA		0x01e8
527
528/* CP command packets */
529#define RADEON_CP_PACKET0		0x00000000
530#	define RADEON_ONE_REG_WR		(1 << 15)
531#define RADEON_CP_PACKET1		0x40000000
532#define RADEON_CP_PACKET2		0x80000000
533#define RADEON_CP_PACKET3		0xC0000000
534#	define RADEON_3D_RNDR_GEN_INDX_PRIM	0x00002300
535#	define RADEON_WAIT_FOR_IDLE		0x00002600
536#	define RADEON_3D_DRAW_VBUF		0x00002800
537#	define RADEON_3D_DRAW_IMMD		0x00002900
538#	define RADEON_3D_DRAW_INDX		0x00002A00
539#	define RADEON_3D_LOAD_VBPNTR		0x00002F00
540#	define RADEON_CNTL_HOSTDATA_BLT		0x00009400
541#	define RADEON_CNTL_PAINT_MULTI		0x00009A00
542#	define RADEON_CNTL_BITBLT_MULTI		0x00009B00
543#	define RADEON_CNTL_SET_SCISSORS		0xC0001E00
544
545#define RADEON_CP_PACKET_MASK		0xC0000000
546#define RADEON_CP_PACKET_COUNT_MASK	0x3fff0000
547#define RADEON_CP_PACKET0_REG_MASK	0x000007ff
548#define RADEON_CP_PACKET1_REG0_MASK	0x000007ff
549#define RADEON_CP_PACKET1_REG1_MASK	0x003ff800
550
551#define RADEON_VTX_Z_PRESENT			(1 << 31)
552#define RADEON_VTX_PKCOLOR_PRESENT		(1 << 3)
553
554#define RADEON_PRIM_TYPE_NONE			(0 << 0)
555#define RADEON_PRIM_TYPE_POINT			(1 << 0)
556#define RADEON_PRIM_TYPE_LINE			(2 << 0)
557#define RADEON_PRIM_TYPE_LINE_STRIP		(3 << 0)
558#define RADEON_PRIM_TYPE_TRI_LIST		(4 << 0)
559#define RADEON_PRIM_TYPE_TRI_FAN		(5 << 0)
560#define RADEON_PRIM_TYPE_TRI_STRIP		(6 << 0)
561#define RADEON_PRIM_TYPE_TRI_TYPE2		(7 << 0)
562#define RADEON_PRIM_TYPE_RECT_LIST		(8 << 0)
563#define RADEON_PRIM_TYPE_3VRT_POINT_LIST	(9 << 0)
564#define RADEON_PRIM_TYPE_3VRT_LINE_LIST		(10 << 0)
565#define RADEON_PRIM_TYPE_MASK                   0xf
566#define RADEON_PRIM_WALK_IND			(1 << 4)
567#define RADEON_PRIM_WALK_LIST			(2 << 4)
568#define RADEON_PRIM_WALK_RING			(3 << 4)
569#define RADEON_COLOR_ORDER_BGRA			(0 << 6)
570#define RADEON_COLOR_ORDER_RGBA			(1 << 6)
571#define RADEON_MAOS_ENABLE			(1 << 7)
572#define RADEON_VTX_FMT_R128_MODE		(0 << 8)
573#define RADEON_VTX_FMT_RADEON_MODE		(1 << 8)
574#define RADEON_NUM_VERTICES_SHIFT		16
575
576#define RADEON_COLOR_FORMAT_CI8		2
577#define RADEON_COLOR_FORMAT_ARGB1555	3
578#define RADEON_COLOR_FORMAT_RGB565	4
579#define RADEON_COLOR_FORMAT_ARGB8888	6
580#define RADEON_COLOR_FORMAT_RGB332	7
581#define RADEON_COLOR_FORMAT_RGB8	9
582#define RADEON_COLOR_FORMAT_ARGB4444	15
583
584#define RADEON_TXFORMAT_I8		0
585#define RADEON_TXFORMAT_AI88		1
586#define RADEON_TXFORMAT_RGB332		2
587#define RADEON_TXFORMAT_ARGB1555	3
588#define RADEON_TXFORMAT_RGB565		4
589#define RADEON_TXFORMAT_ARGB4444	5
590#define RADEON_TXFORMAT_ARGB8888	6
591#define RADEON_TXFORMAT_RGBA8888	7
592#define RADEON_TXFORMAT_Y8		8
593#define RADEON_TXFORMAT_VYUY422         10
594#define RADEON_TXFORMAT_YVYU422         11
595#define RADEON_TXFORMAT_DXT1            12
596#define RADEON_TXFORMAT_DXT23           14
597#define RADEON_TXFORMAT_DXT45           15
598
599#define R200_PP_TXCBLEND_0                0x2f00
600#define R200_PP_TXCBLEND_1                0x2f10
601#define R200_PP_TXCBLEND_2                0x2f20
602#define R200_PP_TXCBLEND_3                0x2f30
603#define R200_PP_TXCBLEND_4                0x2f40
604#define R200_PP_TXCBLEND_5                0x2f50
605#define R200_PP_TXCBLEND_6                0x2f60
606#define R200_PP_TXCBLEND_7                0x2f70
607#define R200_SE_TCL_LIGHT_MODEL_CTL_0     0x2268
608#define R200_PP_TFACTOR_0                 0x2ee0
609#define R200_SE_VTX_FMT_0                 0x2088
610#define R200_SE_VAP_CNTL                  0x2080
611#define R200_SE_TCL_MATRIX_SEL_0          0x2230
612#define R200_SE_TCL_TEX_PROC_CTL_2        0x22a8
613#define R200_SE_TCL_UCP_VERT_BLEND_CTL    0x22c0
614#define R200_PP_TXFILTER_5                0x2ca0
615#define R200_PP_TXFILTER_4                0x2c80
616#define R200_PP_TXFILTER_3                0x2c60
617#define R200_PP_TXFILTER_2                0x2c40
618#define R200_PP_TXFILTER_1                0x2c20
619#define R200_PP_TXFILTER_0                0x2c00
620#define R200_PP_TXOFFSET_5                0x2d78
621#define R200_PP_TXOFFSET_4                0x2d60
622#define R200_PP_TXOFFSET_3                0x2d48
623#define R200_PP_TXOFFSET_2                0x2d30
624#define R200_PP_TXOFFSET_1                0x2d18
625#define R200_PP_TXOFFSET_0                0x2d00
626
627#define R200_PP_CUBIC_FACES_0             0x2c18
628#define R200_PP_CUBIC_FACES_1             0x2c38
629#define R200_PP_CUBIC_FACES_2             0x2c58
630#define R200_PP_CUBIC_FACES_3             0x2c78
631#define R200_PP_CUBIC_FACES_4             0x2c98
632#define R200_PP_CUBIC_FACES_5             0x2cb8
633#define R200_PP_CUBIC_OFFSET_F1_0         0x2d04
634#define R200_PP_CUBIC_OFFSET_F2_0         0x2d08
635#define R200_PP_CUBIC_OFFSET_F3_0         0x2d0c
636#define R200_PP_CUBIC_OFFSET_F4_0         0x2d10
637#define R200_PP_CUBIC_OFFSET_F5_0         0x2d14
638#define R200_PP_CUBIC_OFFSET_F1_1         0x2d1c
639#define R200_PP_CUBIC_OFFSET_F2_1         0x2d20
640#define R200_PP_CUBIC_OFFSET_F3_1         0x2d24
641#define R200_PP_CUBIC_OFFSET_F4_1         0x2d28
642#define R200_PP_CUBIC_OFFSET_F5_1         0x2d2c
643#define R200_PP_CUBIC_OFFSET_F1_2         0x2d34
644#define R200_PP_CUBIC_OFFSET_F2_2         0x2d38
645#define R200_PP_CUBIC_OFFSET_F3_2         0x2d3c
646#define R200_PP_CUBIC_OFFSET_F4_2         0x2d40
647#define R200_PP_CUBIC_OFFSET_F5_2         0x2d44
648#define R200_PP_CUBIC_OFFSET_F1_3         0x2d4c
649#define R200_PP_CUBIC_OFFSET_F2_3         0x2d50
650#define R200_PP_CUBIC_OFFSET_F3_3         0x2d54
651#define R200_PP_CUBIC_OFFSET_F4_3         0x2d58
652#define R200_PP_CUBIC_OFFSET_F5_3         0x2d5c
653#define R200_PP_CUBIC_OFFSET_F1_4         0x2d64
654#define R200_PP_CUBIC_OFFSET_F2_4         0x2d68
655#define R200_PP_CUBIC_OFFSET_F3_4         0x2d6c
656#define R200_PP_CUBIC_OFFSET_F4_4         0x2d70
657#define R200_PP_CUBIC_OFFSET_F5_4         0x2d74
658#define R200_PP_CUBIC_OFFSET_F1_5         0x2d7c
659#define R200_PP_CUBIC_OFFSET_F2_5         0x2d80
660#define R200_PP_CUBIC_OFFSET_F3_5         0x2d84
661#define R200_PP_CUBIC_OFFSET_F4_5         0x2d88
662#define R200_PP_CUBIC_OFFSET_F5_5         0x2d8c
663
664#define R200_RE_AUX_SCISSOR_CNTL          0x26f0
665#define R200_SE_VTE_CNTL                  0x20b0
666#define R200_SE_TCL_OUTPUT_VTX_COMP_SEL   0x2250
667#define R200_PP_TAM_DEBUG3                0x2d9c
668#define R200_PP_CNTL_X                    0x2cc4
669#define R200_SE_VAP_CNTL_STATUS           0x2140
670#define R200_RE_SCISSOR_TL_0              0x1cd8
671#define R200_RE_SCISSOR_TL_1              0x1ce0
672#define R200_RE_SCISSOR_TL_2              0x1ce8
673#define R200_RB3D_DEPTHXY_OFFSET          0x1d60
674#define R200_RE_AUX_SCISSOR_CNTL          0x26f0
675#define R200_SE_VTX_STATE_CNTL            0x2180
676#define R200_RE_POINTSIZE                 0x2648
677#define R200_SE_TCL_INPUT_VTX_VECTOR_ADDR_0 0x2254
678
679#define RADEON_PP_TEX_SIZE_0                0x1d04  /* NPOT */
680#define RADEON_PP_TEX_SIZE_1                0x1d0c
681#define RADEON_PP_TEX_SIZE_2                0x1d14
682
683
684#define SE_VAP_CNTL__TCL_ENA_MASK                          0x00000001
685#define SE_VAP_CNTL__FORCE_W_TO_ONE_MASK                   0x00010000
686#define SE_VAP_CNTL__VF_MAX_VTX_NUM__SHIFT                 0x00000012
687#define SE_VTE_CNTL__VTX_XY_FMT_MASK                       0x00000100
688#define SE_VTE_CNTL__VTX_Z_FMT_MASK                        0x00000200
689#define SE_VTX_FMT_0__VTX_Z0_PRESENT_MASK                  0x00000001
690#define SE_VTX_FMT_0__VTX_W0_PRESENT_MASK                  0x00000002
691#define SE_VTX_FMT_0__VTX_COLOR_0_FMT__SHIFT               0x0000000b
692#define R200_3D_DRAW_IMMD_2      0xC0003500
693#define R200_SE_VTX_FMT_1                 0x208c
694#define R200_RE_CNTL                      0x1c50
695
696
697/* Constants */
698#define RADEON_MAX_USEC_TIMEOUT		100000	/* 100 ms */
699
700#define RADEON_LAST_FRAME_REG		RADEON_SCRATCH_REG0
701#define RADEON_LAST_DISPATCH_REG	RADEON_SCRATCH_REG1
702#define RADEON_LAST_CLEAR_REG		RADEON_SCRATCH_REG2
703#define RADEON_LAST_SWI_REG		RADEON_SCRATCH_REG3
704#define RADEON_LAST_DISPATCH		1
705
706#define RADEON_MAX_VB_AGE		0x7fffffff
707#define RADEON_MAX_VB_VERTS		(0xffff)
708
709#define RADEON_RING_HIGH_MARK		128
710
711#define RADEON_READ(reg)	DRM_READ32(  dev_priv->mmio, (reg) )
712#define RADEON_WRITE(reg,val)	DRM_WRITE32( dev_priv->mmio, (reg), (val) )
713#define RADEON_READ8(reg)	DRM_READ8(  dev_priv->mmio, (reg) )
714#define RADEON_WRITE8(reg,val)	DRM_WRITE8( dev_priv->mmio, (reg), (val) )
715
716#define RADEON_WRITE_PLL( addr, val )					\
717do {									\
718	RADEON_WRITE8( RADEON_CLOCK_CNTL_INDEX,				\
719		       ((addr) & 0x1f) | RADEON_PLL_WR_EN );		\
720	RADEON_WRITE( RADEON_CLOCK_CNTL_DATA, (val) );			\
721} while (0)
722
723extern int RADEON_READ_PLL( drm_device_t *dev, int addr );
724
725
726#define CP_PACKET0( reg, n )						\
727	(RADEON_CP_PACKET0 | ((n) << 16) | ((reg) >> 2))
728#define CP_PACKET0_TABLE( reg, n )					\
729	(RADEON_CP_PACKET0 | RADEON_ONE_REG_WR | ((n) << 16) | ((reg) >> 2))
730#define CP_PACKET1( reg0, reg1 )					\
731	(RADEON_CP_PACKET1 | (((reg1) >> 2) << 15) | ((reg0) >> 2))
732#define CP_PACKET2()							\
733	(RADEON_CP_PACKET2)
734#define CP_PACKET3( pkt, n )						\
735	(RADEON_CP_PACKET3 | (pkt) | ((n) << 16))
736
737
738/* ================================================================
739 * Engine control helper macros
740 */
741
742#define RADEON_WAIT_UNTIL_2D_IDLE() do {				\
743	OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) );			\
744	OUT_RING( (RADEON_WAIT_2D_IDLECLEAN |				\
745		   RADEON_WAIT_HOST_IDLECLEAN) );			\
746} while (0)
747
748#define RADEON_WAIT_UNTIL_3D_IDLE() do {				\
749	OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) );			\
750	OUT_RING( (RADEON_WAIT_3D_IDLECLEAN |				\
751		   RADEON_WAIT_HOST_IDLECLEAN) );			\
752} while (0)
753
754#define RADEON_WAIT_UNTIL_IDLE() do {					\
755	OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) );			\
756	OUT_RING( (RADEON_WAIT_2D_IDLECLEAN |				\
757		   RADEON_WAIT_3D_IDLECLEAN |				\
758		   RADEON_WAIT_HOST_IDLECLEAN) );			\
759} while (0)
760
761#define RADEON_WAIT_UNTIL_PAGE_FLIPPED() do {				\
762	OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) );			\
763	OUT_RING( RADEON_WAIT_CRTC_PFLIP );				\
764} while (0)
765
766#define RADEON_FLUSH_CACHE() do {					\
767	OUT_RING( CP_PACKET0( RADEON_RB2D_DSTCACHE_CTLSTAT, 0 ) );	\
768	OUT_RING( RADEON_RB2D_DC_FLUSH );				\
769} while (0)
770
771#define RADEON_PURGE_CACHE() do {					\
772	OUT_RING( CP_PACKET0( RADEON_RB2D_DSTCACHE_CTLSTAT, 0 ) );	\
773	OUT_RING( RADEON_RB2D_DC_FLUSH_ALL );				\
774} while (0)
775
776#define RADEON_FLUSH_ZCACHE() do {					\
777	OUT_RING( CP_PACKET0( RADEON_RB3D_ZCACHE_CTLSTAT, 0 ) );	\
778	OUT_RING( RADEON_RB3D_ZC_FLUSH );				\
779} while (0)
780
781#define RADEON_PURGE_ZCACHE() do {					\
782	OUT_RING( CP_PACKET0( RADEON_RB3D_ZCACHE_CTLSTAT, 0 ) );	\
783	OUT_RING( RADEON_RB3D_ZC_FLUSH_ALL );				\
784} while (0)
785
786
787/* ================================================================
788 * Misc helper macros
789 */
790
791/* Perfbox functionality only.
792 */
793#define RING_SPACE_TEST_WITH_RETURN( dev_priv )				\
794do {									\
795	if (!(dev_priv->stats.boxes & RADEON_BOX_DMA_IDLE)) {		\
796		u32 head = GET_RING_HEAD( dev_priv );			\
797		if (head == dev_priv->ring.tail)			\
798			dev_priv->stats.boxes |= RADEON_BOX_DMA_IDLE;	\
799	}								\
800} while (0)
801
802#define VB_AGE_TEST_WITH_RETURN( dev_priv )				\
803do {									\
804	drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;		\
805	if ( sarea_priv->last_dispatch >= RADEON_MAX_VB_AGE ) {		\
806		int __ret = radeon_do_cp_idle( dev_priv );		\
807		if ( __ret ) return __ret;				\
808		sarea_priv->last_dispatch = 0;				\
809		radeon_freelist_reset( dev );				\
810	}								\
811} while (0)
812
813#define RADEON_DISPATCH_AGE( age ) do {					\
814	OUT_RING( CP_PACKET0( RADEON_LAST_DISPATCH_REG, 0 ) );		\
815	OUT_RING( age );						\
816} while (0)
817
818#define RADEON_FRAME_AGE( age ) do {					\
819	OUT_RING( CP_PACKET0( RADEON_LAST_FRAME_REG, 0 ) );		\
820	OUT_RING( age );						\
821} while (0)
822
823#define RADEON_CLEAR_AGE( age ) do {					\
824	OUT_RING( CP_PACKET0( RADEON_LAST_CLEAR_REG, 0 ) );		\
825	OUT_RING( age );						\
826} while (0)
827
828
829/* ================================================================
830 * Ring control
831 */
832
833#define RADEON_VERBOSE	0
834
835#define RING_LOCALS	int write, _nr; unsigned int mask; u32 *ring;
836
837#define BEGIN_RING( n ) do {						\
838	if ( RADEON_VERBOSE ) {						\
839		DRM_INFO( "BEGIN_RING( %d ) in %s\n",			\
840			   n, __FUNCTION__ );				\
841	}								\
842	if ( dev_priv->ring.space <= (n) * sizeof(u32) ) {		\
843                COMMIT_RING();						\
844		radeon_wait_ring( dev_priv, (n) * sizeof(u32) );	\
845	}								\
846	_nr = n; dev_priv->ring.space -= (n) * sizeof(u32);		\
847	ring = dev_priv->ring.start;					\
848	write = dev_priv->ring.tail;					\
849	mask = dev_priv->ring.tail_mask;				\
850} while (0)
851
852#define ADVANCE_RING() do {						\
853	if ( RADEON_VERBOSE ) {						\
854		DRM_INFO( "ADVANCE_RING() wr=0x%06x tail=0x%06x\n",	\
855			  write, dev_priv->ring.tail );			\
856	}								\
857	if (((dev_priv->ring.tail + _nr) & mask) != write) {		\
858		DRM_ERROR( 						\
859			"ADVANCE_RING(): mismatch: nr: %x write: %x line: %d\n",	\
860			((dev_priv->ring.tail + _nr) & mask),		\
861			write, __LINE__);						\
862	} else								\
863		dev_priv->ring.tail = write;				\
864} while (0)
865
866#define COMMIT_RING() do {						\
867	/* Flush writes to ring */					\
868	DRM_MEMORYBARRIER();						\
869	GET_RING_HEAD( dev_priv );					\
870	RADEON_WRITE( RADEON_CP_RB_WPTR, dev_priv->ring.tail );		\
871	/* read from PCI bus to ensure correct posting */		\
872	RADEON_READ( RADEON_CP_RB_RPTR );				\
873} while (0)
874
875#define OUT_RING( x ) do {						\
876	if ( RADEON_VERBOSE ) {						\
877		DRM_INFO( "   OUT_RING( 0x%08x ) at 0x%x\n",		\
878			   (unsigned int)(x), write );			\
879	}								\
880	ring[write++] = (x);						\
881	write &= mask;							\
882} while (0)
883
884#define OUT_RING_REG( reg, val ) do {					\
885	OUT_RING( CP_PACKET0( reg, 0 ) );				\
886	OUT_RING( val );						\
887} while (0)
888
889
890#define OUT_RING_USER_TABLE( tab, sz ) do {			\
891	int _size = (sz);					\
892	int *_tab = (tab);					\
893								\
894	if (write + _size > mask) {				\
895		int i = (mask+1) - write;			\
896		if (DRM_COPY_FROM_USER_UNCHECKED( (int *)(ring+write),	\
897				      _tab, i*4 ))		\
898			return DRM_ERR(EFAULT);		\
899		write = 0;					\
900		_size -= i;					\
901		_tab += i;					\
902	}							\
903								\
904	if (_size && DRM_COPY_FROM_USER_UNCHECKED( (int *)(ring+write),	\
905			               _tab, _size*4 ))		\
906		return DRM_ERR(EFAULT);			\
907								\
908	write += _size;						\
909	write &= mask;						\
910} while (0)
911
912
913#endif /* __RADEON_DRV_H__ */
914