xref: /dragonfly/sys/dev/drm/radeon/radeon_drv.h (revision 1847e88f)
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: src/sys/dev/drm/radeon_drv.h,v 1.5.2.1 2003/04/26 07:05:29 anholt Exp $
31  * $DragonFly: src/sys/dev/drm/radeon/Attic/radeon_drv.h,v 1.3 2005/02/17 13:59:36 joerg Exp $
32  */
33 
34 #ifndef __RADEON_DRV_H__
35 #define __RADEON_DRV_H__
36 
37 #define GET_RING_HEAD(dev_priv)		DRM_READ32(  (dev_priv)->ring_rptr, 0 )
38 #define SET_RING_HEAD(dev_priv,val)	DRM_WRITE32( (dev_priv)->ring_rptr, 0, (val) )
39 
40 typedef struct drm_radeon_freelist {
41    	unsigned int age;
42    	drm_buf_t *buf;
43    	struct drm_radeon_freelist *next;
44    	struct drm_radeon_freelist *prev;
45 } drm_radeon_freelist_t;
46 
47 typedef struct drm_radeon_ring_buffer {
48 	u32 *start;
49 	u32 *end;
50 	int size;
51 	int size_l2qw;
52 
53 	u32 tail;
54 	u32 tail_mask;
55 	int space;
56 
57 	int high_mark;
58 } drm_radeon_ring_buffer_t;
59 
60 typedef struct drm_radeon_depth_clear_t {
61 	u32 rb3d_cntl;
62 	u32 rb3d_zstencilcntl;
63 	u32 se_cntl;
64 } drm_radeon_depth_clear_t;
65 
66 
67 struct mem_block {
68 	struct mem_block *next;
69 	struct mem_block *prev;
70 	int start;
71 	int size;
72 	DRMFILE filp;		/* 0: free, -1: heap, other: real files */
73 };
74 
75 typedef struct drm_radeon_private {
76 	drm_radeon_ring_buffer_t ring;
77 	drm_radeon_sarea_t *sarea_priv;
78 
79 	int agp_size;
80 	u32 agp_vm_start;
81 	unsigned long agp_buffers_offset;
82 
83 	int cp_mode;
84 	int cp_running;
85 
86    	drm_radeon_freelist_t *head;
87    	drm_radeon_freelist_t *tail;
88 	int last_buf;
89 	volatile u32 *scratch;
90 	int writeback_works;
91 
92 	int usec_timeout;
93 
94 	int is_r200;
95 
96 	int is_pci;
97 	unsigned long phys_pci_gart;
98 	dma_addr_t bus_pci_gart;
99 
100 	struct {
101 		u32 boxes;
102 		int freelist_timeouts;
103 		int freelist_loops;
104 		int requested_bufs;
105 		int last_frame_reads;
106 		int last_clear_reads;
107 		int clears;
108 		int texture_uploads;
109 	} stats;
110 
111 	int do_boxes;
112 	int page_flipping;
113 	int current_page;
114 
115 	u32 color_fmt;
116 	unsigned int front_offset;
117 	unsigned int front_pitch;
118 	unsigned int back_offset;
119 	unsigned int back_pitch;
120 
121 	u32 depth_fmt;
122 	unsigned int depth_offset;
123 	unsigned int depth_pitch;
124 
125 	u32 front_pitch_offset;
126 	u32 back_pitch_offset;
127 	u32 depth_pitch_offset;
128 
129 	drm_radeon_depth_clear_t depth_clear;
130 
131 	unsigned long fb_offset;
132 	unsigned long mmio_offset;
133 	unsigned long ring_offset;
134 	unsigned long ring_rptr_offset;
135 	unsigned long buffers_offset;
136 	unsigned long agp_textures_offset;
137 
138 	drm_local_map_t *sarea;
139 	drm_local_map_t *fb;
140 	drm_local_map_t *mmio;
141 	drm_local_map_t *cp_ring;
142 	drm_local_map_t *ring_rptr;
143 	drm_local_map_t *buffers;
144 	drm_local_map_t *agp_textures;
145 
146 	struct mem_block *agp_heap;
147 	struct mem_block *fb_heap;
148 
149 	/* SW interrupt */
150    	wait_queue_head_t swi_queue;
151    	atomic_t swi_emitted;
152 
153 } drm_radeon_private_t;
154 
155 typedef struct drm_radeon_buf_priv {
156 	u32 age;
157 } drm_radeon_buf_priv_t;
158 
159 				/* radeon_cp.c */
160 extern int radeon_cp_init( DRM_IOCTL_ARGS );
161 extern int radeon_cp_start( DRM_IOCTL_ARGS );
162 extern int radeon_cp_stop( DRM_IOCTL_ARGS );
163 extern int radeon_cp_reset( DRM_IOCTL_ARGS );
164 extern int radeon_cp_idle( DRM_IOCTL_ARGS );
165 extern int radeon_engine_reset( DRM_IOCTL_ARGS );
166 extern int radeon_fullscreen( DRM_IOCTL_ARGS );
167 extern int radeon_cp_buffers( DRM_IOCTL_ARGS );
168 
169 extern void radeon_freelist_reset( drm_device_t *dev );
170 extern drm_buf_t *radeon_freelist_get( drm_device_t *dev );
171 
172 extern int radeon_wait_ring( drm_radeon_private_t *dev_priv, int n );
173 
174 extern int radeon_do_cp_idle( drm_radeon_private_t *dev_priv );
175 extern int radeon_do_cleanup_cp( drm_device_t *dev );
176 extern int radeon_do_cleanup_pageflip( drm_device_t *dev );
177 
178 				/* radeon_state.c */
179 extern int radeon_cp_clear( DRM_IOCTL_ARGS );
180 extern int radeon_cp_swap( DRM_IOCTL_ARGS );
181 extern int radeon_cp_vertex( DRM_IOCTL_ARGS );
182 extern int radeon_cp_indices( DRM_IOCTL_ARGS );
183 extern int radeon_cp_texture( DRM_IOCTL_ARGS );
184 extern int radeon_cp_stipple( DRM_IOCTL_ARGS );
185 extern int radeon_cp_indirect( DRM_IOCTL_ARGS );
186 extern int radeon_cp_vertex2( DRM_IOCTL_ARGS );
187 extern int radeon_cp_cmdbuf( DRM_IOCTL_ARGS );
188 extern int radeon_cp_getparam( DRM_IOCTL_ARGS );
189 extern int radeon_cp_flip( DRM_IOCTL_ARGS );
190 
191 extern int radeon_mem_alloc( DRM_IOCTL_ARGS );
192 extern int radeon_mem_free( DRM_IOCTL_ARGS );
193 extern int radeon_mem_init_heap( DRM_IOCTL_ARGS );
194 extern void radeon_mem_takedown( struct mem_block **heap );
195 extern void radeon_mem_release( DRMFILE filp, struct mem_block *heap );
196 
197 				/* radeon_irq.c */
198 extern int radeon_irq_emit( DRM_IOCTL_ARGS );
199 extern int radeon_irq_wait( DRM_IOCTL_ARGS );
200 
201 extern int radeon_emit_and_wait_irq(drm_device_t *dev);
202 extern int radeon_wait_irq(drm_device_t *dev, int swi_nr);
203 extern int radeon_emit_irq(drm_device_t *dev);
204 
205 extern void radeon_do_release(drm_device_t *dev);
206 
207 /* Flags for stats.boxes
208  */
209 #define RADEON_BOX_DMA_IDLE      0x1
210 #define RADEON_BOX_RING_FULL     0x2
211 #define RADEON_BOX_FLIP          0x4
212 #define RADEON_BOX_WAIT_IDLE     0x8
213 #define RADEON_BOX_TEXTURE_LOAD  0x10
214 
215 
216 
217 /* Register definitions, register access macros and drmAddMap constants
218  * for Radeon kernel driver.
219  */
220 
221 #define RADEON_AGP_COMMAND		0x0f60
222 #define RADEON_AUX_SCISSOR_CNTL		0x26f0
223 #	define RADEON_EXCLUSIVE_SCISSOR_0	(1 << 24)
224 #	define RADEON_EXCLUSIVE_SCISSOR_1	(1 << 25)
225 #	define RADEON_EXCLUSIVE_SCISSOR_2	(1 << 26)
226 #	define RADEON_SCISSOR_0_ENABLE		(1 << 28)
227 #	define RADEON_SCISSOR_1_ENABLE		(1 << 29)
228 #	define RADEON_SCISSOR_2_ENABLE		(1 << 30)
229 
230 #define RADEON_BUS_CNTL			0x0030
231 #	define RADEON_BUS_MASTER_DIS		(1 << 6)
232 
233 #define RADEON_CLOCK_CNTL_DATA		0x000c
234 #	define RADEON_PLL_WR_EN			(1 << 7)
235 #define RADEON_CLOCK_CNTL_INDEX		0x0008
236 #define RADEON_CONFIG_APER_SIZE		0x0108
237 #define RADEON_CRTC_OFFSET		0x0224
238 #define RADEON_CRTC_OFFSET_CNTL		0x0228
239 #	define RADEON_CRTC_TILE_EN		(1 << 15)
240 #	define RADEON_CRTC_OFFSET_FLIP_CNTL	(1 << 16)
241 #define RADEON_CRTC2_OFFSET		0x0324
242 #define RADEON_CRTC2_OFFSET_CNTL	0x0328
243 
244 #define RADEON_RB3D_COLORPITCH		0x1c48
245 
246 #define RADEON_DP_GUI_MASTER_CNTL	0x146c
247 #	define RADEON_GMC_SRC_PITCH_OFFSET_CNTL	(1 << 0)
248 #	define RADEON_GMC_DST_PITCH_OFFSET_CNTL	(1 << 1)
249 #	define RADEON_GMC_BRUSH_SOLID_COLOR	(13 << 4)
250 #	define RADEON_GMC_BRUSH_NONE		(15 << 4)
251 #	define RADEON_GMC_DST_16BPP		(4 << 8)
252 #	define RADEON_GMC_DST_24BPP		(5 << 8)
253 #	define RADEON_GMC_DST_32BPP		(6 << 8)
254 #	define RADEON_GMC_DST_DATATYPE_SHIFT	8
255 #	define RADEON_GMC_SRC_DATATYPE_COLOR	(3 << 12)
256 #	define RADEON_DP_SRC_SOURCE_MEMORY	(2 << 24)
257 #	define RADEON_DP_SRC_SOURCE_HOST_DATA	(3 << 24)
258 #	define RADEON_GMC_CLR_CMP_CNTL_DIS	(1 << 28)
259 #	define RADEON_GMC_WR_MSK_DIS		(1 << 30)
260 #	define RADEON_ROP3_S			0x00cc0000
261 #	define RADEON_ROP3_P			0x00f00000
262 #define RADEON_DP_WRITE_MASK		0x16cc
263 #define RADEON_DST_PITCH_OFFSET		0x142c
264 #define RADEON_DST_PITCH_OFFSET_C	0x1c80
265 #	define RADEON_DST_TILE_LINEAR		(0 << 30)
266 #	define RADEON_DST_TILE_MACRO		(1 << 30)
267 #	define RADEON_DST_TILE_MICRO		(2 << 30)
268 #	define RADEON_DST_TILE_BOTH		(3 << 30)
269 
270 #define RADEON_SCRATCH_REG0		0x15e0
271 #define RADEON_SCRATCH_REG1		0x15e4
272 #define RADEON_SCRATCH_REG2		0x15e8
273 #define RADEON_SCRATCH_REG3		0x15ec
274 #define RADEON_SCRATCH_REG4		0x15f0
275 #define RADEON_SCRATCH_REG5		0x15f4
276 #define RADEON_SCRATCH_UMSK		0x0770
277 #define RADEON_SCRATCH_ADDR		0x0774
278 
279 #define RADEON_SCRATCHOFF( x )		(RADEON_SCRATCH_REG_OFFSET + 4*(x))
280 
281 #define GET_SCRATCH( x )	(dev_priv->writeback_works			\
282 				? DRM_READ32( dev_priv->ring_rptr, RADEON_SCRATCHOFF(x) ) \
283 				: RADEON_READ( RADEON_SCRATCH_REG0 + 4*(x) ) )
284 
285 
286 #define RADEON_GEN_INT_CNTL		0x0040
287 #	define RADEON_CRTC_VBLANK_MASK		(1 << 0)
288 #	define RADEON_GUI_IDLE_INT_ENABLE	(1 << 19)
289 #	define RADEON_SW_INT_ENABLE		(1 << 25)
290 
291 #define RADEON_GEN_INT_STATUS		0x0044
292 #	define RADEON_CRTC_VBLANK_STAT		(1 << 0)
293 #	define RADEON_CRTC_VBLANK_STAT_ACK   	(1 << 0)
294 #	define RADEON_GUI_IDLE_INT_TEST_ACK     (1 << 19)
295 #	define RADEON_SW_INT_TEST		(1 << 25)
296 #	define RADEON_SW_INT_TEST_ACK   	(1 << 25)
297 #	define RADEON_SW_INT_FIRE		(1 << 26)
298 
299 #define RADEON_HOST_PATH_CNTL		0x0130
300 #	define RADEON_HDP_SOFT_RESET		(1 << 26)
301 #	define RADEON_HDP_WC_TIMEOUT_MASK	(7 << 28)
302 #	define RADEON_HDP_WC_TIMEOUT_28BCLK	(7 << 28)
303 
304 #define RADEON_ISYNC_CNTL		0x1724
305 #	define RADEON_ISYNC_ANY2D_IDLE3D	(1 << 0)
306 #	define RADEON_ISYNC_ANY3D_IDLE2D	(1 << 1)
307 #	define RADEON_ISYNC_TRIG2D_IDLE3D	(1 << 2)
308 #	define RADEON_ISYNC_TRIG3D_IDLE2D	(1 << 3)
309 #	define RADEON_ISYNC_WAIT_IDLEGUI	(1 << 4)
310 #	define RADEON_ISYNC_CPSCRATCH_IDLEGUI	(1 << 5)
311 
312 #define RADEON_RBBM_GUICNTL		0x172c
313 #	define RADEON_HOST_DATA_SWAP_NONE	(0 << 0)
314 #	define RADEON_HOST_DATA_SWAP_16BIT	(1 << 0)
315 #	define RADEON_HOST_DATA_SWAP_32BIT	(2 << 0)
316 #	define RADEON_HOST_DATA_SWAP_HDW	(3 << 0)
317 
318 #define RADEON_MC_AGP_LOCATION		0x014c
319 #define RADEON_MC_FB_LOCATION		0x0148
320 #define RADEON_MCLK_CNTL		0x0012
321 #	define RADEON_FORCEON_MCLKA		(1 << 16)
322 #	define RADEON_FORCEON_MCLKB		(1 << 17)
323 #	define RADEON_FORCEON_YCLKA		(1 << 18)
324 #	define RADEON_FORCEON_YCLKB		(1 << 19)
325 #	define RADEON_FORCEON_MC		(1 << 20)
326 #	define RADEON_FORCEON_AIC		(1 << 21)
327 
328 #define RADEON_PP_BORDER_COLOR_0	0x1d40
329 #define RADEON_PP_BORDER_COLOR_1	0x1d44
330 #define RADEON_PP_BORDER_COLOR_2	0x1d48
331 #define RADEON_PP_CNTL			0x1c38
332 #	define RADEON_SCISSOR_ENABLE		(1 <<  1)
333 #define RADEON_PP_LUM_MATRIX		0x1d00
334 #define RADEON_PP_MISC			0x1c14
335 #define RADEON_PP_ROT_MATRIX_0		0x1d58
336 #define RADEON_PP_TXFILTER_0		0x1c54
337 #define RADEON_PP_TXFILTER_1		0x1c6c
338 #define RADEON_PP_TXFILTER_2		0x1c84
339 
340 #define RADEON_RB2D_DSTCACHE_CTLSTAT	0x342c
341 #	define RADEON_RB2D_DC_FLUSH		(3 << 0)
342 #	define RADEON_RB2D_DC_FREE		(3 << 2)
343 #	define RADEON_RB2D_DC_FLUSH_ALL		0xf
344 #	define RADEON_RB2D_DC_BUSY		(1 << 31)
345 #define RADEON_RB3D_CNTL		0x1c3c
346 #	define RADEON_ALPHA_BLEND_ENABLE	(1 << 0)
347 #	define RADEON_PLANE_MASK_ENABLE		(1 << 1)
348 #	define RADEON_DITHER_ENABLE		(1 << 2)
349 #	define RADEON_ROUND_ENABLE		(1 << 3)
350 #	define RADEON_SCALE_DITHER_ENABLE	(1 << 4)
351 #	define RADEON_DITHER_INIT		(1 << 5)
352 #	define RADEON_ROP_ENABLE		(1 << 6)
353 #	define RADEON_STENCIL_ENABLE		(1 << 7)
354 #	define RADEON_Z_ENABLE			(1 << 8)
355 #define RADEON_RB3D_DEPTHOFFSET		0x1c24
356 #define RADEON_RB3D_DEPTHPITCH		0x1c28
357 #define RADEON_RB3D_PLANEMASK		0x1d84
358 #define RADEON_RB3D_STENCILREFMASK	0x1d7c
359 #define RADEON_RB3D_ZCACHE_MODE		0x3250
360 #define RADEON_RB3D_ZCACHE_CTLSTAT	0x3254
361 #	define RADEON_RB3D_ZC_FLUSH		(1 << 0)
362 #	define RADEON_RB3D_ZC_FREE		(1 << 2)
363 #	define RADEON_RB3D_ZC_FLUSH_ALL		0x5
364 #	define RADEON_RB3D_ZC_BUSY		(1 << 31)
365 #define RADEON_RB3D_ZSTENCILCNTL	0x1c2c
366 #	define RADEON_Z_TEST_MASK		(7 << 4)
367 #	define RADEON_Z_TEST_ALWAYS		(7 << 4)
368 #	define RADEON_STENCIL_TEST_ALWAYS	(7 << 12)
369 #	define RADEON_STENCIL_S_FAIL_REPLACE	(2 << 16)
370 #	define RADEON_STENCIL_ZPASS_REPLACE	(2 << 20)
371 #	define RADEON_STENCIL_ZFAIL_REPLACE	(2 << 24)
372 #	define RADEON_Z_WRITE_ENABLE		(1 << 30)
373 #define RADEON_RBBM_SOFT_RESET		0x00f0
374 #	define RADEON_SOFT_RESET_CP		(1 <<  0)
375 #	define RADEON_SOFT_RESET_HI		(1 <<  1)
376 #	define RADEON_SOFT_RESET_SE		(1 <<  2)
377 #	define RADEON_SOFT_RESET_RE		(1 <<  3)
378 #	define RADEON_SOFT_RESET_PP		(1 <<  4)
379 #	define RADEON_SOFT_RESET_E2		(1 <<  5)
380 #	define RADEON_SOFT_RESET_RB		(1 <<  6)
381 #	define RADEON_SOFT_RESET_HDP		(1 <<  7)
382 #define RADEON_RBBM_STATUS		0x0e40
383 #	define RADEON_RBBM_FIFOCNT_MASK		0x007f
384 #	define RADEON_RBBM_ACTIVE		(1 << 31)
385 #define RADEON_RE_LINE_PATTERN		0x1cd0
386 #define RADEON_RE_MISC			0x26c4
387 #define RADEON_RE_TOP_LEFT		0x26c0
388 #define RADEON_RE_WIDTH_HEIGHT		0x1c44
389 #define RADEON_RE_STIPPLE_ADDR		0x1cc8
390 #define RADEON_RE_STIPPLE_DATA		0x1ccc
391 
392 #define RADEON_SCISSOR_TL_0		0x1cd8
393 #define RADEON_SCISSOR_BR_0		0x1cdc
394 #define RADEON_SCISSOR_TL_1		0x1ce0
395 #define RADEON_SCISSOR_BR_1		0x1ce4
396 #define RADEON_SCISSOR_TL_2		0x1ce8
397 #define RADEON_SCISSOR_BR_2		0x1cec
398 #define RADEON_SE_COORD_FMT		0x1c50
399 #define RADEON_SE_CNTL			0x1c4c
400 #	define RADEON_FFACE_CULL_CW		(0 << 0)
401 #	define RADEON_BFACE_SOLID		(3 << 1)
402 #	define RADEON_FFACE_SOLID		(3 << 3)
403 #	define RADEON_FLAT_SHADE_VTX_LAST	(3 << 6)
404 #	define RADEON_DIFFUSE_SHADE_FLAT	(1 << 8)
405 #	define RADEON_DIFFUSE_SHADE_GOURAUD	(2 << 8)
406 #	define RADEON_ALPHA_SHADE_FLAT		(1 << 10)
407 #	define RADEON_ALPHA_SHADE_GOURAUD	(2 << 10)
408 #	define RADEON_SPECULAR_SHADE_FLAT	(1 << 12)
409 #	define RADEON_SPECULAR_SHADE_GOURAUD	(2 << 12)
410 #	define RADEON_FOG_SHADE_FLAT		(1 << 14)
411 #	define RADEON_FOG_SHADE_GOURAUD		(2 << 14)
412 #	define RADEON_VPORT_XY_XFORM_ENABLE	(1 << 24)
413 #	define RADEON_VPORT_Z_XFORM_ENABLE	(1 << 25)
414 #	define RADEON_VTX_PIX_CENTER_OGL	(1 << 27)
415 #	define RADEON_ROUND_MODE_TRUNC		(0 << 28)
416 #	define RADEON_ROUND_PREC_8TH_PIX	(1 << 30)
417 #define RADEON_SE_CNTL_STATUS		0x2140
418 #define RADEON_SE_LINE_WIDTH		0x1db8
419 #define RADEON_SE_VPORT_XSCALE		0x1d98
420 #define RADEON_SE_ZBIAS_FACTOR		0x1db0
421 #define RADEON_SE_TCL_MATERIAL_EMMISSIVE_RED 0x2210
422 #define RADEON_SE_TCL_OUTPUT_VTX_FMT         0x2254
423 #define RADEON_SE_TCL_VECTOR_INDX_REG        0x2200
424 #       define RADEON_VEC_INDX_OCTWORD_STRIDE_SHIFT  16
425 #       define RADEON_VEC_INDX_DWORD_COUNT_SHIFT     28
426 #define RADEON_SE_TCL_VECTOR_DATA_REG       0x2204
427 #define RADEON_SE_TCL_SCALAR_INDX_REG       0x2208
428 #       define RADEON_SCAL_INDX_DWORD_STRIDE_SHIFT  16
429 #define RADEON_SE_TCL_SCALAR_DATA_REG       0x220C
430 #define RADEON_SURFACE_ACCESS_FLAGS	0x0bf8
431 #define RADEON_SURFACE_ACCESS_CLR	0x0bfc
432 #define RADEON_SURFACE_CNTL		0x0b00
433 #	define RADEON_SURF_TRANSLATION_DIS	(1 << 8)
434 #	define RADEON_NONSURF_AP0_SWP_MASK	(3 << 20)
435 #	define RADEON_NONSURF_AP0_SWP_LITTLE	(0 << 20)
436 #	define RADEON_NONSURF_AP0_SWP_BIG16	(1 << 20)
437 #	define RADEON_NONSURF_AP0_SWP_BIG32	(2 << 20)
438 #	define RADEON_NONSURF_AP1_SWP_MASK	(3 << 22)
439 #	define RADEON_NONSURF_AP1_SWP_LITTLE	(0 << 22)
440 #	define RADEON_NONSURF_AP1_SWP_BIG16	(1 << 22)
441 #	define RADEON_NONSURF_AP1_SWP_BIG32	(2 << 22)
442 #define RADEON_SURFACE0_INFO		0x0b0c
443 #	define RADEON_SURF_PITCHSEL_MASK	(0x1ff << 0)
444 #	define RADEON_SURF_TILE_MODE_MASK	(3 << 16)
445 #	define RADEON_SURF_TILE_MODE_MACRO	(0 << 16)
446 #	define RADEON_SURF_TILE_MODE_MICRO	(1 << 16)
447 #	define RADEON_SURF_TILE_MODE_32BIT_Z	(2 << 16)
448 #	define RADEON_SURF_TILE_MODE_16BIT_Z	(3 << 16)
449 #define RADEON_SURFACE0_LOWER_BOUND	0x0b04
450 #define RADEON_SURFACE0_UPPER_BOUND	0x0b08
451 #define RADEON_SURFACE1_INFO		0x0b1c
452 #define RADEON_SURFACE1_LOWER_BOUND	0x0b14
453 #define RADEON_SURFACE1_UPPER_BOUND	0x0b18
454 #define RADEON_SURFACE2_INFO		0x0b2c
455 #define RADEON_SURFACE2_LOWER_BOUND	0x0b24
456 #define RADEON_SURFACE2_UPPER_BOUND	0x0b28
457 #define RADEON_SURFACE3_INFO		0x0b3c
458 #define RADEON_SURFACE3_LOWER_BOUND	0x0b34
459 #define RADEON_SURFACE3_UPPER_BOUND	0x0b38
460 #define RADEON_SURFACE4_INFO		0x0b4c
461 #define RADEON_SURFACE4_LOWER_BOUND	0x0b44
462 #define RADEON_SURFACE4_UPPER_BOUND	0x0b48
463 #define RADEON_SURFACE5_INFO		0x0b5c
464 #define RADEON_SURFACE5_LOWER_BOUND	0x0b54
465 #define RADEON_SURFACE5_UPPER_BOUND	0x0b58
466 #define RADEON_SURFACE6_INFO		0x0b6c
467 #define RADEON_SURFACE6_LOWER_BOUND	0x0b64
468 #define RADEON_SURFACE6_UPPER_BOUND	0x0b68
469 #define RADEON_SURFACE7_INFO		0x0b7c
470 #define RADEON_SURFACE7_LOWER_BOUND	0x0b74
471 #define RADEON_SURFACE7_UPPER_BOUND	0x0b78
472 #define RADEON_SW_SEMAPHORE		0x013c
473 
474 #define RADEON_WAIT_UNTIL		0x1720
475 #	define RADEON_WAIT_CRTC_PFLIP		(1 << 0)
476 #	define RADEON_WAIT_2D_IDLECLEAN		(1 << 16)
477 #	define RADEON_WAIT_3D_IDLECLEAN		(1 << 17)
478 #	define RADEON_WAIT_HOST_IDLECLEAN	(1 << 18)
479 
480 #define RADEON_RB3D_ZMASKOFFSET		0x1c34
481 #define RADEON_RB3D_ZSTENCILCNTL	0x1c2c
482 #	define RADEON_DEPTH_FORMAT_16BIT_INT_Z	(0 << 0)
483 #	define RADEON_DEPTH_FORMAT_24BIT_INT_Z	(2 << 0)
484 
485 
486 /* CP registers */
487 #define RADEON_CP_ME_RAM_ADDR		0x07d4
488 #define RADEON_CP_ME_RAM_RADDR		0x07d8
489 #define RADEON_CP_ME_RAM_DATAH		0x07dc
490 #define RADEON_CP_ME_RAM_DATAL		0x07e0
491 
492 #define RADEON_CP_RB_BASE		0x0700
493 #define RADEON_CP_RB_CNTL		0x0704
494 #	define RADEON_BUF_SWAP_32BIT		(2 << 16)
495 #define RADEON_CP_RB_RPTR_ADDR		0x070c
496 #define RADEON_CP_RB_RPTR		0x0710
497 #define RADEON_CP_RB_WPTR		0x0714
498 
499 #define RADEON_CP_RB_WPTR_DELAY		0x0718
500 #	define RADEON_PRE_WRITE_TIMER_SHIFT	0
501 #	define RADEON_PRE_WRITE_LIMIT_SHIFT	23
502 
503 #define RADEON_CP_IB_BASE		0x0738
504 
505 #define RADEON_CP_CSQ_CNTL		0x0740
506 #	define RADEON_CSQ_CNT_PRIMARY_MASK	(0xff << 0)
507 #	define RADEON_CSQ_PRIDIS_INDDIS		(0 << 28)
508 #	define RADEON_CSQ_PRIPIO_INDDIS		(1 << 28)
509 #	define RADEON_CSQ_PRIBM_INDDIS		(2 << 28)
510 #	define RADEON_CSQ_PRIPIO_INDBM		(3 << 28)
511 #	define RADEON_CSQ_PRIBM_INDBM		(4 << 28)
512 #	define RADEON_CSQ_PRIPIO_INDPIO		(15 << 28)
513 
514 #define RADEON_AIC_CNTL			0x01d0
515 #	define RADEON_PCIGART_TRANSLATE_EN	(1 << 0)
516 #define RADEON_AIC_STAT			0x01d4
517 #define RADEON_AIC_PT_BASE		0x01d8
518 #define RADEON_AIC_LO_ADDR		0x01dc
519 #define RADEON_AIC_HI_ADDR		0x01e0
520 #define RADEON_AIC_TLB_ADDR		0x01e4
521 #define RADEON_AIC_TLB_DATA		0x01e8
522 
523 /* CP command packets */
524 #define RADEON_CP_PACKET0		0x00000000
525 #	define RADEON_ONE_REG_WR		(1 << 15)
526 #define RADEON_CP_PACKET1		0x40000000
527 #define RADEON_CP_PACKET2		0x80000000
528 #define RADEON_CP_PACKET3		0xC0000000
529 #	define RADEON_3D_RNDR_GEN_INDX_PRIM	0x00002300
530 #	define RADEON_WAIT_FOR_IDLE		0x00002600
531 #	define RADEON_3D_DRAW_VBUF		0x00002800
532 #	define RADEON_3D_DRAW_IMMD		0x00002900
533 #	define RADEON_3D_DRAW_INDX		0x00002A00
534 #	define RADEON_3D_LOAD_VBPNTR		0x00002F00
535 #	define RADEON_CNTL_HOSTDATA_BLT		0x00009400
536 #	define RADEON_CNTL_PAINT_MULTI		0x00009A00
537 #	define RADEON_CNTL_BITBLT_MULTI		0x00009B00
538 #	define RADEON_CNTL_SET_SCISSORS		0xC0001E00
539 
540 #define RADEON_CP_PACKET_MASK		0xC0000000
541 #define RADEON_CP_PACKET_COUNT_MASK	0x3fff0000
542 #define RADEON_CP_PACKET0_REG_MASK	0x000007ff
543 #define RADEON_CP_PACKET1_REG0_MASK	0x000007ff
544 #define RADEON_CP_PACKET1_REG1_MASK	0x003ff800
545 
546 #define RADEON_VTX_Z_PRESENT			(1 << 31)
547 #define RADEON_VTX_PKCOLOR_PRESENT		(1 << 3)
548 
549 #define RADEON_PRIM_TYPE_NONE			(0 << 0)
550 #define RADEON_PRIM_TYPE_POINT			(1 << 0)
551 #define RADEON_PRIM_TYPE_LINE			(2 << 0)
552 #define RADEON_PRIM_TYPE_LINE_STRIP		(3 << 0)
553 #define RADEON_PRIM_TYPE_TRI_LIST		(4 << 0)
554 #define RADEON_PRIM_TYPE_TRI_FAN		(5 << 0)
555 #define RADEON_PRIM_TYPE_TRI_STRIP		(6 << 0)
556 #define RADEON_PRIM_TYPE_TRI_TYPE2		(7 << 0)
557 #define RADEON_PRIM_TYPE_RECT_LIST		(8 << 0)
558 #define RADEON_PRIM_TYPE_3VRT_POINT_LIST	(9 << 0)
559 #define RADEON_PRIM_TYPE_3VRT_LINE_LIST		(10 << 0)
560 #define RADEON_PRIM_TYPE_MASK                   0xf
561 #define RADEON_PRIM_WALK_IND			(1 << 4)
562 #define RADEON_PRIM_WALK_LIST			(2 << 4)
563 #define RADEON_PRIM_WALK_RING			(3 << 4)
564 #define RADEON_COLOR_ORDER_BGRA			(0 << 6)
565 #define RADEON_COLOR_ORDER_RGBA			(1 << 6)
566 #define RADEON_MAOS_ENABLE			(1 << 7)
567 #define RADEON_VTX_FMT_R128_MODE		(0 << 8)
568 #define RADEON_VTX_FMT_RADEON_MODE		(1 << 8)
569 #define RADEON_NUM_VERTICES_SHIFT		16
570 
571 #define RADEON_COLOR_FORMAT_CI8		2
572 #define RADEON_COLOR_FORMAT_ARGB1555	3
573 #define RADEON_COLOR_FORMAT_RGB565	4
574 #define RADEON_COLOR_FORMAT_ARGB8888	6
575 #define RADEON_COLOR_FORMAT_RGB332	7
576 #define RADEON_COLOR_FORMAT_RGB8	9
577 #define RADEON_COLOR_FORMAT_ARGB4444	15
578 
579 #define RADEON_TXFORMAT_I8		0
580 #define RADEON_TXFORMAT_AI88		1
581 #define RADEON_TXFORMAT_RGB332		2
582 #define RADEON_TXFORMAT_ARGB1555	3
583 #define RADEON_TXFORMAT_RGB565		4
584 #define RADEON_TXFORMAT_ARGB4444	5
585 #define RADEON_TXFORMAT_ARGB8888	6
586 #define RADEON_TXFORMAT_RGBA8888	7
587 #define RADEON_TXFORMAT_VYUY422         10
588 #define RADEON_TXFORMAT_YVYU422         11
589 #define RADEON_TXFORMAT_DXT1            12
590 #define RADEON_TXFORMAT_DXT23           14
591 #define RADEON_TXFORMAT_DXT45           15
592 
593 #define R200_PP_TXCBLEND_0                0x2f00
594 #define R200_PP_TXCBLEND_1                0x2f10
595 #define R200_PP_TXCBLEND_2                0x2f20
596 #define R200_PP_TXCBLEND_3                0x2f30
597 #define R200_PP_TXCBLEND_4                0x2f40
598 #define R200_PP_TXCBLEND_5                0x2f50
599 #define R200_PP_TXCBLEND_6                0x2f60
600 #define R200_PP_TXCBLEND_7                0x2f70
601 #define R200_SE_TCL_LIGHT_MODEL_CTL_0     0x2268
602 #define R200_PP_TFACTOR_0                 0x2ee0
603 #define R200_SE_VTX_FMT_0                 0x2088
604 #define R200_SE_VAP_CNTL                  0x2080
605 #define R200_SE_TCL_MATRIX_SEL_0          0x2230
606 #define R200_SE_TCL_TEX_PROC_CTL_2        0x22a8
607 #define R200_SE_TCL_UCP_VERT_BLEND_CTL    0x22c0
608 #define R200_PP_TXFILTER_5                0x2ca0
609 #define R200_PP_TXFILTER_4                0x2c80
610 #define R200_PP_TXFILTER_3                0x2c60
611 #define R200_PP_TXFILTER_2                0x2c40
612 #define R200_PP_TXFILTER_1                0x2c20
613 #define R200_PP_TXFILTER_0                0x2c00
614 #define R200_PP_TXOFFSET_5                0x2d78
615 #define R200_PP_TXOFFSET_4                0x2d60
616 #define R200_PP_TXOFFSET_3                0x2d48
617 #define R200_PP_TXOFFSET_2                0x2d30
618 #define R200_PP_TXOFFSET_1                0x2d18
619 #define R200_PP_TXOFFSET_0                0x2d00
620 
621 #define R200_PP_CUBIC_FACES_0             0x2c18
622 #define R200_PP_CUBIC_FACES_1             0x2c38
623 #define R200_PP_CUBIC_FACES_2             0x2c58
624 #define R200_PP_CUBIC_FACES_3             0x2c78
625 #define R200_PP_CUBIC_FACES_4             0x2c98
626 #define R200_PP_CUBIC_FACES_5             0x2cb8
627 #define R200_PP_CUBIC_OFFSET_F1_0         0x2d04
628 #define R200_PP_CUBIC_OFFSET_F2_0         0x2d08
629 #define R200_PP_CUBIC_OFFSET_F3_0         0x2d0c
630 #define R200_PP_CUBIC_OFFSET_F4_0         0x2d10
631 #define R200_PP_CUBIC_OFFSET_F5_0         0x2d14
632 #define R200_PP_CUBIC_OFFSET_F1_1         0x2d1c
633 #define R200_PP_CUBIC_OFFSET_F2_1         0x2d20
634 #define R200_PP_CUBIC_OFFSET_F3_1         0x2d24
635 #define R200_PP_CUBIC_OFFSET_F4_1         0x2d28
636 #define R200_PP_CUBIC_OFFSET_F5_1         0x2d2c
637 #define R200_PP_CUBIC_OFFSET_F1_2         0x2d34
638 #define R200_PP_CUBIC_OFFSET_F2_2         0x2d38
639 #define R200_PP_CUBIC_OFFSET_F3_2         0x2d3c
640 #define R200_PP_CUBIC_OFFSET_F4_2         0x2d40
641 #define R200_PP_CUBIC_OFFSET_F5_2         0x2d44
642 #define R200_PP_CUBIC_OFFSET_F1_3         0x2d4c
643 #define R200_PP_CUBIC_OFFSET_F2_3         0x2d50
644 #define R200_PP_CUBIC_OFFSET_F3_3         0x2d54
645 #define R200_PP_CUBIC_OFFSET_F4_3         0x2d58
646 #define R200_PP_CUBIC_OFFSET_F5_3         0x2d5c
647 #define R200_PP_CUBIC_OFFSET_F1_4         0x2d64
648 #define R200_PP_CUBIC_OFFSET_F2_4         0x2d68
649 #define R200_PP_CUBIC_OFFSET_F3_4         0x2d6c
650 #define R200_PP_CUBIC_OFFSET_F4_4         0x2d70
651 #define R200_PP_CUBIC_OFFSET_F5_4         0x2d74
652 #define R200_PP_CUBIC_OFFSET_F1_5         0x2d7c
653 #define R200_PP_CUBIC_OFFSET_F2_5         0x2d80
654 #define R200_PP_CUBIC_OFFSET_F3_5         0x2d84
655 #define R200_PP_CUBIC_OFFSET_F4_5         0x2d88
656 #define R200_PP_CUBIC_OFFSET_F5_5         0x2d8c
657 
658 #define R200_RE_AUX_SCISSOR_CNTL          0x26f0
659 #define R200_SE_VTE_CNTL                  0x20b0
660 #define R200_SE_TCL_OUTPUT_VTX_COMP_SEL   0x2250
661 #define R200_PP_TAM_DEBUG3                0x2d9c
662 #define R200_PP_CNTL_X                    0x2cc4
663 #define R200_SE_VAP_CNTL_STATUS           0x2140
664 #define R200_RE_SCISSOR_TL_0              0x1cd8
665 #define R200_RE_SCISSOR_TL_1              0x1ce0
666 #define R200_RE_SCISSOR_TL_2              0x1ce8
667 #define R200_RB3D_DEPTHXY_OFFSET          0x1d60
668 #define R200_RE_AUX_SCISSOR_CNTL          0x26f0
669 #define R200_SE_VTX_STATE_CNTL            0x2180
670 #define R200_RE_POINTSIZE                 0x2648
671 #define R200_SE_TCL_INPUT_VTX_VECTOR_ADDR_0 0x2254
672 
673 
674 #define SE_VAP_CNTL__TCL_ENA_MASK                          0x00000001
675 #define SE_VAP_CNTL__FORCE_W_TO_ONE_MASK                   0x00010000
676 #define SE_VAP_CNTL__VF_MAX_VTX_NUM__SHIFT                 0x00000012
677 #define SE_VTE_CNTL__VTX_XY_FMT_MASK                       0x00000100
678 #define SE_VTE_CNTL__VTX_Z_FMT_MASK                        0x00000200
679 #define SE_VTX_FMT_0__VTX_Z0_PRESENT_MASK                  0x00000001
680 #define SE_VTX_FMT_0__VTX_W0_PRESENT_MASK                  0x00000002
681 #define SE_VTX_FMT_0__VTX_COLOR_0_FMT__SHIFT               0x0000000b
682 #define R200_3D_DRAW_IMMD_2      0xC0003500
683 #define R200_SE_VTX_FMT_1                 0x208c
684 #define R200_RE_CNTL                      0x1c50
685 
686 
687 /* Constants */
688 #define RADEON_MAX_USEC_TIMEOUT		100000	/* 100 ms */
689 
690 #define RADEON_LAST_FRAME_REG		RADEON_SCRATCH_REG0
691 #define RADEON_LAST_DISPATCH_REG	RADEON_SCRATCH_REG1
692 #define RADEON_LAST_CLEAR_REG		RADEON_SCRATCH_REG2
693 #define RADEON_LAST_SWI_REG		RADEON_SCRATCH_REG3
694 #define RADEON_LAST_DISPATCH		1
695 
696 #define RADEON_MAX_VB_AGE		0x7fffffff
697 #define RADEON_MAX_VB_VERTS		(0xffff)
698 
699 #define RADEON_RING_HIGH_MARK		128
700 
701 #define RADEON_READ(reg)	DRM_READ32(  dev_priv->mmio, (reg) )
702 #define RADEON_WRITE(reg,val)	DRM_WRITE32( dev_priv->mmio, (reg), (val) )
703 #define RADEON_READ8(reg)	DRM_READ8(  dev_priv->mmio, (reg) )
704 #define RADEON_WRITE8(reg,val)	DRM_WRITE8( dev_priv->mmio, (reg), (val) )
705 
706 #define RADEON_WRITE_PLL( addr, val )					\
707 do {									\
708 	RADEON_WRITE8( RADEON_CLOCK_CNTL_INDEX,				\
709 		       ((addr) & 0x1f) | RADEON_PLL_WR_EN );		\
710 	RADEON_WRITE( RADEON_CLOCK_CNTL_DATA, (val) );			\
711 } while (0)
712 
713 extern int RADEON_READ_PLL( drm_device_t *dev, int addr );
714 
715 
716 #define CP_PACKET0( reg, n )						\
717 	(RADEON_CP_PACKET0 | ((n) << 16) | ((reg) >> 2))
718 #define CP_PACKET0_TABLE( reg, n )					\
719 	(RADEON_CP_PACKET0 | RADEON_ONE_REG_WR | ((n) << 16) | ((reg) >> 2))
720 #define CP_PACKET1( reg0, reg1 )					\
721 	(RADEON_CP_PACKET1 | (((reg1) >> 2) << 15) | ((reg0) >> 2))
722 #define CP_PACKET2()							\
723 	(RADEON_CP_PACKET2)
724 #define CP_PACKET3( pkt, n )						\
725 	(RADEON_CP_PACKET3 | (pkt) | ((n) << 16))
726 
727 
728 /* ================================================================
729  * Engine control helper macros
730  */
731 
732 #define RADEON_WAIT_UNTIL_2D_IDLE() do {				\
733 	OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) );			\
734 	OUT_RING( (RADEON_WAIT_2D_IDLECLEAN |				\
735 		   RADEON_WAIT_HOST_IDLECLEAN) );			\
736 } while (0)
737 
738 #define RADEON_WAIT_UNTIL_3D_IDLE() do {				\
739 	OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) );			\
740 	OUT_RING( (RADEON_WAIT_3D_IDLECLEAN |				\
741 		   RADEON_WAIT_HOST_IDLECLEAN) );			\
742 } while (0)
743 
744 #define RADEON_WAIT_UNTIL_IDLE() do {					\
745 	OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) );			\
746 	OUT_RING( (RADEON_WAIT_2D_IDLECLEAN |				\
747 		   RADEON_WAIT_3D_IDLECLEAN |				\
748 		   RADEON_WAIT_HOST_IDLECLEAN) );			\
749 } while (0)
750 
751 #define RADEON_WAIT_UNTIL_PAGE_FLIPPED() do {				\
752 	OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) );			\
753 	OUT_RING( RADEON_WAIT_CRTC_PFLIP );				\
754 } while (0)
755 
756 #define RADEON_FLUSH_CACHE() do {					\
757 	OUT_RING( CP_PACKET0( RADEON_RB2D_DSTCACHE_CTLSTAT, 0 ) );	\
758 	OUT_RING( RADEON_RB2D_DC_FLUSH );				\
759 } while (0)
760 
761 #define RADEON_PURGE_CACHE() do {					\
762 	OUT_RING( CP_PACKET0( RADEON_RB2D_DSTCACHE_CTLSTAT, 0 ) );	\
763 	OUT_RING( RADEON_RB2D_DC_FLUSH_ALL );				\
764 } while (0)
765 
766 #define RADEON_FLUSH_ZCACHE() do {					\
767 	OUT_RING( CP_PACKET0( RADEON_RB3D_ZCACHE_CTLSTAT, 0 ) );	\
768 	OUT_RING( RADEON_RB3D_ZC_FLUSH );				\
769 } while (0)
770 
771 #define RADEON_PURGE_ZCACHE() do {					\
772 	OUT_RING( CP_PACKET0( RADEON_RB3D_ZCACHE_CTLSTAT, 0 ) );	\
773 	OUT_RING( RADEON_RB3D_ZC_FLUSH_ALL );				\
774 } while (0)
775 
776 
777 /* ================================================================
778  * Misc helper macros
779  */
780 
781 /* Perfbox functionality only.
782  */
783 #define RING_SPACE_TEST_WITH_RETURN( dev_priv )				\
784 do {									\
785 	if (!(dev_priv->stats.boxes & RADEON_BOX_DMA_IDLE)) {		\
786 		u32 head = GET_RING_HEAD( dev_priv );			\
787 		if (head == dev_priv->ring.tail)			\
788 			dev_priv->stats.boxes |= RADEON_BOX_DMA_IDLE;	\
789 	}								\
790 } while (0)
791 
792 #define VB_AGE_TEST_WITH_RETURN( dev_priv )				\
793 do {									\
794 	drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;		\
795 	if ( sarea_priv->last_dispatch >= RADEON_MAX_VB_AGE ) {		\
796 		int __ret = radeon_do_cp_idle( dev_priv );		\
797 		if ( __ret ) return __ret;				\
798 		sarea_priv->last_dispatch = 0;				\
799 		radeon_freelist_reset( dev );				\
800 	}								\
801 } while (0)
802 
803 #define RADEON_DISPATCH_AGE( age ) do {					\
804 	OUT_RING( CP_PACKET0( RADEON_LAST_DISPATCH_REG, 0 ) );		\
805 	OUT_RING( age );						\
806 } while (0)
807 
808 #define RADEON_FRAME_AGE( age ) do {					\
809 	OUT_RING( CP_PACKET0( RADEON_LAST_FRAME_REG, 0 ) );		\
810 	OUT_RING( age );						\
811 } while (0)
812 
813 #define RADEON_CLEAR_AGE( age ) do {					\
814 	OUT_RING( CP_PACKET0( RADEON_LAST_CLEAR_REG, 0 ) );		\
815 	OUT_RING( age );						\
816 } while (0)
817 
818 
819 /* ================================================================
820  * Ring control
821  */
822 
823 #define RADEON_VERBOSE	0
824 
825 #define RING_LOCALS	int write, _nr; unsigned int mask; u32 *ring;
826 
827 #define BEGIN_RING( n ) do {						\
828 	if ( RADEON_VERBOSE ) {						\
829 		DRM_INFO( "BEGIN_RING( %d ) in %s\n",			\
830 			   n, __func__ );				\
831 	}								\
832 	if ( dev_priv->ring.space <= (n) * sizeof(u32) ) {		\
833                 COMMIT_RING();						\
834 		radeon_wait_ring( dev_priv, (n) * sizeof(u32) );	\
835 	}								\
836 	_nr = n; dev_priv->ring.space -= (n) * sizeof(u32);		\
837 	ring = dev_priv->ring.start;					\
838 	write = dev_priv->ring.tail;					\
839 	mask = dev_priv->ring.tail_mask;				\
840 } while (0)
841 
842 #define ADVANCE_RING() do {						\
843 	if ( RADEON_VERBOSE ) {						\
844 		DRM_INFO( "ADVANCE_RING() wr=0x%06x tail=0x%06x\n",	\
845 			  write, dev_priv->ring.tail );			\
846 	}								\
847 	if (((dev_priv->ring.tail + _nr) & mask) != write) {		\
848 		DRM_ERROR( 						\
849 			"ADVANCE_RING(): mismatch: nr: %x write: %x line: %d\n",	\
850 			((dev_priv->ring.tail + _nr) & mask),		\
851 			write, __LINE__);						\
852 	} else								\
853 		dev_priv->ring.tail = write;				\
854 } while (0)
855 
856 #define COMMIT_RING() do {						\
857 	/* Flush writes to ring */					\
858 	DRM_READMEMORYBARRIER( dev_priv->mmio );			\
859 	GET_RING_HEAD( dev_priv );					\
860 	RADEON_WRITE( RADEON_CP_RB_WPTR, dev_priv->ring.tail );		\
861 	/* read from PCI bus to ensure correct posting */		\
862 	RADEON_READ( RADEON_CP_RB_RPTR );				\
863 } while (0)
864 
865 #define OUT_RING( x ) do {						\
866 	if ( RADEON_VERBOSE ) {						\
867 		DRM_INFO( "   OUT_RING( 0x%08x ) at 0x%x\n",		\
868 			   (unsigned int)(x), write );			\
869 	}								\
870 	ring[write++] = (x);						\
871 	write &= mask;							\
872 } while (0)
873 
874 #define OUT_RING_REG( reg, val ) do {					\
875 	OUT_RING( CP_PACKET0( reg, 0 ) );				\
876 	OUT_RING( val );						\
877 } while (0)
878 
879 
880 #define OUT_RING_USER_TABLE( tab, sz ) do {			\
881 	int _size = (sz);					\
882 	int *_tab = (tab);					\
883 								\
884 	if (write + _size > mask) {				\
885 		int i = (mask+1) - write;			\
886 		if (DRM_COPY_FROM_USER_UNCHECKED( (int *)(ring+write),	\
887 				      _tab, i*4 ))		\
888 			return DRM_ERR(EFAULT);		\
889 		write = 0;					\
890 		_size -= i;					\
891 		_tab += i;					\
892 	}							\
893 								\
894 	if (_size && DRM_COPY_FROM_USER_UNCHECKED( (int *)(ring+write),	\
895 			               _tab, _size*4 ))		\
896 		return DRM_ERR(EFAULT);			\
897 								\
898 	write += _size;						\
899 	write &= mask;						\
900 } while (0)
901 
902 
903 #endif /* __RADEON_DRV_H__ */
904