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1da177e4 LT |
1 | /* r128_drv.h -- Private header for r128 driver -*- linux-c -*- |
2 | * Created: Mon Dec 13 09:51:11 1999 by faith@precisioninsight.com | |
f26c473c | 3 | */ |
83a9e29b DA |
4 | /* |
5 | * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. | |
1da177e4 LT |
6 | * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. |
7 | * All rights reserved. | |
8 | * | |
9 | * Permission is hereby granted, free of charge, to any person obtaining a | |
10 | * copy of this software and associated documentation files (the "Software"), | |
11 | * to deal in the Software without restriction, including without limitation | |
12 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
13 | * and/or sell copies of the Software, and to permit persons to whom the | |
14 | * Software is furnished to do so, subject to the following conditions: | |
15 | * | |
16 | * The above copyright notice and this permission notice (including the next | |
17 | * paragraph) shall be included in all copies or substantial portions of the | |
18 | * Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
23 | * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
24 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
25 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
26 | * DEALINGS IN THE SOFTWARE. | |
27 | * | |
28 | * Authors: | |
29 | * Rickard E. (Rik) Faith <faith@valinux.com> | |
30 | * Kevin E. Martin <martin@valinux.com> | |
31 | * Gareth Hughes <gareth@valinux.com> | |
0a3e67a4 | 32 | * Michel D�zer <daenzerm@student.ethz.ch> |
1da177e4 LT |
33 | */ |
34 | ||
35 | #ifndef __R128_DRV_H__ | |
36 | #define __R128_DRV_H__ | |
37 | ||
fd7e0d71 | 38 | #include <drm/ati_pcigart.h> |
4f03b1fc DV |
39 | #include <drm/drm_legacy.h> |
40 | ||
1da177e4 LT |
41 | /* General customization: |
42 | */ | |
43 | #define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc." | |
44 | ||
45 | #define DRIVER_NAME "r128" | |
46 | #define DRIVER_DESC "ATI Rage 128" | |
47 | #define DRIVER_DATE "20030725" | |
48 | ||
49 | /* Interface history: | |
50 | * | |
51 | * ?? - ?? | |
52 | * 2.4 - Add support for ycbcr textures (no new ioctls) | |
53 | * 2.5 - Add FLIP ioctl, disable FULLSCREEN. | |
54 | */ | |
55 | #define DRIVER_MAJOR 2 | |
56 | #define DRIVER_MINOR 5 | |
57 | #define DRIVER_PATCHLEVEL 0 | |
58 | ||
bc5e9d6a | 59 | #define GET_RING_HEAD(dev_priv) R128_READ(R128_PM4_BUFFER_DL_RPTR) |
1da177e4 LT |
60 | |
61 | typedef struct drm_r128_freelist { | |
b5e89ed5 | 62 | unsigned int age; |
056219e2 | 63 | struct drm_buf *buf; |
b5e89ed5 DA |
64 | struct drm_r128_freelist *next; |
65 | struct drm_r128_freelist *prev; | |
1da177e4 LT |
66 | } drm_r128_freelist_t; |
67 | ||
68 | typedef struct drm_r128_ring_buffer { | |
69 | u32 *start; | |
70 | u32 *end; | |
71 | int size; | |
72 | int size_l2qw; | |
73 | ||
74 | u32 tail; | |
75 | u32 tail_mask; | |
76 | int space; | |
77 | ||
78 | int high_mark; | |
79 | } drm_r128_ring_buffer_t; | |
80 | ||
81 | typedef struct drm_r128_private { | |
82 | drm_r128_ring_buffer_t ring; | |
83 | drm_r128_sarea_t *sarea_priv; | |
84 | ||
85 | int cce_mode; | |
86 | int cce_fifo_size; | |
87 | int cce_running; | |
88 | ||
b5e89ed5 DA |
89 | drm_r128_freelist_t *head; |
90 | drm_r128_freelist_t *tail; | |
1da177e4 LT |
91 | |
92 | int usec_timeout; | |
93 | int is_pci; | |
1da177e4 LT |
94 | unsigned long cce_buffers_offset; |
95 | ||
96 | atomic_t idle_count; | |
97 | ||
98 | int page_flipping; | |
99 | int current_page; | |
100 | u32 crtc_offset; | |
101 | u32 crtc_offset_cntl; | |
102 | ||
0a3e67a4 JB |
103 | atomic_t vbl_received; |
104 | ||
1da177e4 LT |
105 | u32 color_fmt; |
106 | unsigned int front_offset; | |
107 | unsigned int front_pitch; | |
108 | unsigned int back_offset; | |
109 | unsigned int back_pitch; | |
110 | ||
111 | u32 depth_fmt; | |
112 | unsigned int depth_offset; | |
113 | unsigned int depth_pitch; | |
114 | unsigned int span_offset; | |
115 | ||
116 | u32 front_pitch_offset_c; | |
117 | u32 back_pitch_offset_c; | |
118 | u32 depth_pitch_offset_c; | |
119 | u32 span_pitch_offset_c; | |
120 | ||
121 | drm_local_map_t *sarea; | |
122 | drm_local_map_t *mmio; | |
123 | drm_local_map_t *cce_ring; | |
124 | drm_local_map_t *ring_rptr; | |
125 | drm_local_map_t *agp_textures; | |
55910517 | 126 | struct drm_ati_pcigart_info gart_info; |
1da177e4 LT |
127 | } drm_r128_private_t; |
128 | ||
129 | typedef struct drm_r128_buf_priv { | |
130 | u32 age; | |
131 | int prim; | |
132 | int discard; | |
133 | int dispatched; | |
b5e89ed5 | 134 | drm_r128_freelist_t *list_entry; |
1da177e4 LT |
135 | } drm_r128_buf_priv_t; |
136 | ||
baa70943 | 137 | extern const struct drm_ioctl_desc r128_ioctls[]; |
b3a83639 DA |
138 | extern int r128_max_ioctl; |
139 | ||
1da177e4 | 140 | /* r128_cce.c */ |
c153f45f EA |
141 | extern int r128_cce_init(struct drm_device *dev, void *data, struct drm_file *file_priv); |
142 | extern int r128_cce_start(struct drm_device *dev, void *data, struct drm_file *file_priv); | |
143 | extern int r128_cce_stop(struct drm_device *dev, void *data, struct drm_file *file_priv); | |
144 | extern int r128_cce_reset(struct drm_device *dev, void *data, struct drm_file *file_priv); | |
145 | extern int r128_cce_idle(struct drm_device *dev, void *data, struct drm_file *file_priv); | |
146 | extern int r128_engine_reset(struct drm_device *dev, void *data, struct drm_file *file_priv); | |
147 | extern int r128_fullscreen(struct drm_device *dev, void *data, struct drm_file *file_priv); | |
148 | extern int r128_cce_buffers(struct drm_device *dev, void *data, struct drm_file *file_priv); | |
1da177e4 | 149 | |
bc5e9d6a | 150 | extern void r128_freelist_reset(struct drm_device *dev); |
1da177e4 | 151 | |
bc5e9d6a | 152 | extern int r128_wait_ring(drm_r128_private_t *dev_priv, int n); |
1da177e4 | 153 | |
bc5e9d6a NK |
154 | extern int r128_do_cce_idle(drm_r128_private_t *dev_priv); |
155 | extern int r128_do_cleanup_cce(struct drm_device *dev); | |
1da177e4 | 156 | |
88e72717 TR |
157 | extern int r128_enable_vblank(struct drm_device *dev, unsigned int pipe); |
158 | extern void r128_disable_vblank(struct drm_device *dev, unsigned int pipe); | |
159 | extern u32 r128_get_vblank_counter(struct drm_device *dev, unsigned int pipe); | |
e9f0d76f | 160 | extern irqreturn_t r128_driver_irq_handler(int irq, void *arg); |
bc5e9d6a | 161 | extern void r128_driver_irq_preinstall(struct drm_device *dev); |
0a3e67a4 | 162 | extern int r128_driver_irq_postinstall(struct drm_device *dev); |
bc5e9d6a NK |
163 | extern void r128_driver_irq_uninstall(struct drm_device *dev); |
164 | extern void r128_driver_lastclose(struct drm_device *dev); | |
165 | extern int r128_driver_load(struct drm_device *dev, unsigned long flags); | |
166 | extern void r128_driver_preclose(struct drm_device *dev, | |
6c340eac | 167 | struct drm_file *file_priv); |
1da177e4 | 168 | |
8ca7c1df DA |
169 | extern long r128_compat_ioctl(struct file *filp, unsigned int cmd, |
170 | unsigned long arg); | |
171 | ||
1da177e4 LT |
172 | /* Register definitions, register access macros and drmAddMap constants |
173 | * for Rage 128 kernel driver. | |
174 | */ | |
175 | ||
176 | #define R128_AUX_SC_CNTL 0x1660 | |
177 | # define R128_AUX1_SC_EN (1 << 0) | |
178 | # define R128_AUX1_SC_MODE_OR (0 << 1) | |
179 | # define R128_AUX1_SC_MODE_NAND (1 << 1) | |
180 | # define R128_AUX2_SC_EN (1 << 2) | |
181 | # define R128_AUX2_SC_MODE_OR (0 << 3) | |
182 | # define R128_AUX2_SC_MODE_NAND (1 << 3) | |
183 | # define R128_AUX3_SC_EN (1 << 4) | |
184 | # define R128_AUX3_SC_MODE_OR (0 << 5) | |
185 | # define R128_AUX3_SC_MODE_NAND (1 << 5) | |
186 | #define R128_AUX1_SC_LEFT 0x1664 | |
187 | #define R128_AUX1_SC_RIGHT 0x1668 | |
188 | #define R128_AUX1_SC_TOP 0x166c | |
189 | #define R128_AUX1_SC_BOTTOM 0x1670 | |
190 | #define R128_AUX2_SC_LEFT 0x1674 | |
191 | #define R128_AUX2_SC_RIGHT 0x1678 | |
192 | #define R128_AUX2_SC_TOP 0x167c | |
193 | #define R128_AUX2_SC_BOTTOM 0x1680 | |
194 | #define R128_AUX3_SC_LEFT 0x1684 | |
195 | #define R128_AUX3_SC_RIGHT 0x1688 | |
196 | #define R128_AUX3_SC_TOP 0x168c | |
197 | #define R128_AUX3_SC_BOTTOM 0x1690 | |
198 | ||
199 | #define R128_BRUSH_DATA0 0x1480 | |
200 | #define R128_BUS_CNTL 0x0030 | |
201 | # define R128_BUS_MASTER_DIS (1 << 6) | |
202 | ||
203 | #define R128_CLOCK_CNTL_INDEX 0x0008 | |
204 | #define R128_CLOCK_CNTL_DATA 0x000c | |
205 | # define R128_PLL_WR_EN (1 << 7) | |
206 | #define R128_CONSTANT_COLOR_C 0x1d34 | |
207 | #define R128_CRTC_OFFSET 0x0224 | |
208 | #define R128_CRTC_OFFSET_CNTL 0x0228 | |
209 | # define R128_CRTC_OFFSET_FLIP_CNTL (1 << 16) | |
210 | ||
211 | #define R128_DP_GUI_MASTER_CNTL 0x146c | |
212 | # define R128_GMC_SRC_PITCH_OFFSET_CNTL (1 << 0) | |
213 | # define R128_GMC_DST_PITCH_OFFSET_CNTL (1 << 1) | |
214 | # define R128_GMC_BRUSH_SOLID_COLOR (13 << 4) | |
215 | # define R128_GMC_BRUSH_NONE (15 << 4) | |
216 | # define R128_GMC_DST_16BPP (4 << 8) | |
217 | # define R128_GMC_DST_24BPP (5 << 8) | |
218 | # define R128_GMC_DST_32BPP (6 << 8) | |
219 | # define R128_GMC_DST_DATATYPE_SHIFT 8 | |
220 | # define R128_GMC_SRC_DATATYPE_COLOR (3 << 12) | |
221 | # define R128_DP_SRC_SOURCE_MEMORY (2 << 24) | |
222 | # define R128_DP_SRC_SOURCE_HOST_DATA (3 << 24) | |
223 | # define R128_GMC_CLR_CMP_CNTL_DIS (1 << 28) | |
224 | # define R128_GMC_AUX_CLIP_DIS (1 << 29) | |
225 | # define R128_GMC_WR_MSK_DIS (1 << 30) | |
226 | # define R128_ROP3_S 0x00cc0000 | |
227 | # define R128_ROP3_P 0x00f00000 | |
228 | #define R128_DP_WRITE_MASK 0x16cc | |
229 | #define R128_DST_PITCH_OFFSET_C 0x1c80 | |
230 | # define R128_DST_TILE (1 << 31) | |
231 | ||
232 | #define R128_GEN_INT_CNTL 0x0040 | |
233 | # define R128_CRTC_VBLANK_INT_EN (1 << 0) | |
234 | #define R128_GEN_INT_STATUS 0x0044 | |
235 | # define R128_CRTC_VBLANK_INT (1 << 0) | |
236 | # define R128_CRTC_VBLANK_INT_AK (1 << 0) | |
237 | #define R128_GEN_RESET_CNTL 0x00f0 | |
238 | # define R128_SOFT_RESET_GUI (1 << 0) | |
239 | ||
240 | #define R128_GUI_SCRATCH_REG0 0x15e0 | |
241 | #define R128_GUI_SCRATCH_REG1 0x15e4 | |
242 | #define R128_GUI_SCRATCH_REG2 0x15e8 | |
243 | #define R128_GUI_SCRATCH_REG3 0x15ec | |
244 | #define R128_GUI_SCRATCH_REG4 0x15f0 | |
245 | #define R128_GUI_SCRATCH_REG5 0x15f4 | |
246 | ||
247 | #define R128_GUI_STAT 0x1740 | |
248 | # define R128_GUI_FIFOCNT_MASK 0x0fff | |
249 | # define R128_GUI_ACTIVE (1 << 31) | |
250 | ||
251 | #define R128_MCLK_CNTL 0x000f | |
252 | # define R128_FORCE_GCP (1 << 16) | |
253 | # define R128_FORCE_PIPE3D_CP (1 << 17) | |
254 | # define R128_FORCE_RCP (1 << 18) | |
255 | ||
256 | #define R128_PC_GUI_CTLSTAT 0x1748 | |
257 | #define R128_PC_NGUI_CTLSTAT 0x0184 | |
258 | # define R128_PC_FLUSH_GUI (3 << 0) | |
259 | # define R128_PC_RI_GUI (1 << 2) | |
260 | # define R128_PC_FLUSH_ALL 0x00ff | |
261 | # define R128_PC_BUSY (1 << 31) | |
262 | ||
263 | #define R128_PCI_GART_PAGE 0x017c | |
264 | #define R128_PRIM_TEX_CNTL_C 0x1cb0 | |
265 | ||
266 | #define R128_SCALE_3D_CNTL 0x1a00 | |
267 | #define R128_SEC_TEX_CNTL_C 0x1d00 | |
268 | #define R128_SEC_TEXTURE_BORDER_COLOR_C 0x1d3c | |
269 | #define R128_SETUP_CNTL 0x1bc4 | |
270 | #define R128_STEN_REF_MASK_C 0x1d40 | |
271 | ||
272 | #define R128_TEX_CNTL_C 0x1c9c | |
273 | # define R128_TEX_CACHE_FLUSH (1 << 23) | |
274 | ||
275 | #define R128_WAIT_UNTIL 0x1720 | |
276 | # define R128_EVENT_CRTC_OFFSET (1 << 0) | |
277 | #define R128_WINDOW_XY_OFFSET 0x1bcc | |
278 | ||
1da177e4 LT |
279 | /* CCE registers |
280 | */ | |
281 | #define R128_PM4_BUFFER_OFFSET 0x0700 | |
282 | #define R128_PM4_BUFFER_CNTL 0x0704 | |
283 | # define R128_PM4_MASK (15 << 28) | |
284 | # define R128_PM4_NONPM4 (0 << 28) | |
285 | # define R128_PM4_192PIO (1 << 28) | |
286 | # define R128_PM4_192BM (2 << 28) | |
287 | # define R128_PM4_128PIO_64INDBM (3 << 28) | |
288 | # define R128_PM4_128BM_64INDBM (4 << 28) | |
289 | # define R128_PM4_64PIO_128INDBM (5 << 28) | |
290 | # define R128_PM4_64BM_128INDBM (6 << 28) | |
291 | # define R128_PM4_64PIO_64VCBM_64INDBM (7 << 28) | |
292 | # define R128_PM4_64BM_64VCBM_64INDBM (8 << 28) | |
293 | # define R128_PM4_64PIO_64VCPIO_64INDPIO (15 << 28) | |
294 | # define R128_PM4_BUFFER_CNTL_NOUPDATE (1 << 27) | |
295 | ||
296 | #define R128_PM4_BUFFER_WM_CNTL 0x0708 | |
297 | # define R128_WMA_SHIFT 0 | |
298 | # define R128_WMB_SHIFT 8 | |
299 | # define R128_WMC_SHIFT 16 | |
300 | # define R128_WB_WM_SHIFT 24 | |
301 | ||
302 | #define R128_PM4_BUFFER_DL_RPTR_ADDR 0x070c | |
303 | #define R128_PM4_BUFFER_DL_RPTR 0x0710 | |
304 | #define R128_PM4_BUFFER_DL_WPTR 0x0714 | |
305 | # define R128_PM4_BUFFER_DL_DONE (1 << 31) | |
306 | ||
307 | #define R128_PM4_VC_FPU_SETUP 0x071c | |
308 | ||
309 | #define R128_PM4_IW_INDOFF 0x0738 | |
310 | #define R128_PM4_IW_INDSIZE 0x073c | |
311 | ||
312 | #define R128_PM4_STAT 0x07b8 | |
313 | # define R128_PM4_FIFOCNT_MASK 0x0fff | |
314 | # define R128_PM4_BUSY (1 << 16) | |
315 | # define R128_PM4_GUI_ACTIVE (1 << 31) | |
316 | ||
317 | #define R128_PM4_MICROCODE_ADDR 0x07d4 | |
318 | #define R128_PM4_MICROCODE_RADDR 0x07d8 | |
319 | #define R128_PM4_MICROCODE_DATAH 0x07dc | |
320 | #define R128_PM4_MICROCODE_DATAL 0x07e0 | |
321 | ||
322 | #define R128_PM4_BUFFER_ADDR 0x07f0 | |
323 | #define R128_PM4_MICRO_CNTL 0x07fc | |
324 | # define R128_PM4_MICRO_FREERUN (1 << 30) | |
325 | ||
326 | #define R128_PM4_FIFO_DATA_EVEN 0x1000 | |
327 | #define R128_PM4_FIFO_DATA_ODD 0x1004 | |
328 | ||
1da177e4 LT |
329 | /* CCE command packets |
330 | */ | |
331 | #define R128_CCE_PACKET0 0x00000000 | |
332 | #define R128_CCE_PACKET1 0x40000000 | |
333 | #define R128_CCE_PACKET2 0x80000000 | |
334 | #define R128_CCE_PACKET3 0xC0000000 | |
335 | # define R128_CNTL_HOSTDATA_BLT 0x00009400 | |
336 | # define R128_CNTL_PAINT_MULTI 0x00009A00 | |
337 | # define R128_CNTL_BITBLT_MULTI 0x00009B00 | |
338 | # define R128_3D_RNDR_GEN_INDX_PRIM 0x00002300 | |
339 | ||
340 | #define R128_CCE_PACKET_MASK 0xC0000000 | |
341 | #define R128_CCE_PACKET_COUNT_MASK 0x3fff0000 | |
342 | #define R128_CCE_PACKET0_REG_MASK 0x000007ff | |
343 | #define R128_CCE_PACKET1_REG0_MASK 0x000007ff | |
344 | #define R128_CCE_PACKET1_REG1_MASK 0x003ff800 | |
345 | ||
346 | #define R128_CCE_VC_CNTL_PRIM_TYPE_NONE 0x00000000 | |
347 | #define R128_CCE_VC_CNTL_PRIM_TYPE_POINT 0x00000001 | |
348 | #define R128_CCE_VC_CNTL_PRIM_TYPE_LINE 0x00000002 | |
349 | #define R128_CCE_VC_CNTL_PRIM_TYPE_POLY_LINE 0x00000003 | |
350 | #define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_LIST 0x00000004 | |
351 | #define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_FAN 0x00000005 | |
352 | #define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_STRIP 0x00000006 | |
353 | #define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2 0x00000007 | |
354 | #define R128_CCE_VC_CNTL_PRIM_WALK_IND 0x00000010 | |
355 | #define R128_CCE_VC_CNTL_PRIM_WALK_LIST 0x00000020 | |
356 | #define R128_CCE_VC_CNTL_PRIM_WALK_RING 0x00000030 | |
357 | #define R128_CCE_VC_CNTL_NUM_SHIFT 16 | |
358 | ||
359 | #define R128_DATATYPE_VQ 0 | |
360 | #define R128_DATATYPE_CI4 1 | |
361 | #define R128_DATATYPE_CI8 2 | |
362 | #define R128_DATATYPE_ARGB1555 3 | |
363 | #define R128_DATATYPE_RGB565 4 | |
364 | #define R128_DATATYPE_RGB888 5 | |
365 | #define R128_DATATYPE_ARGB8888 6 | |
366 | #define R128_DATATYPE_RGB332 7 | |
367 | #define R128_DATATYPE_Y8 8 | |
368 | #define R128_DATATYPE_RGB8 9 | |
369 | #define R128_DATATYPE_CI16 10 | |
370 | #define R128_DATATYPE_YVYU422 11 | |
371 | #define R128_DATATYPE_VYUY422 12 | |
372 | #define R128_DATATYPE_AYUV444 14 | |
373 | #define R128_DATATYPE_ARGB4444 15 | |
374 | ||
375 | /* Constants */ | |
376 | #define R128_AGP_OFFSET 0x02000000 | |
377 | ||
378 | #define R128_WATERMARK_L 16 | |
379 | #define R128_WATERMARK_M 8 | |
380 | #define R128_WATERMARK_N 8 | |
381 | #define R128_WATERMARK_K 128 | |
382 | ||
383 | #define R128_MAX_USEC_TIMEOUT 100000 /* 100 ms */ | |
384 | ||
385 | #define R128_LAST_FRAME_REG R128_GUI_SCRATCH_REG0 | |
386 | #define R128_LAST_DISPATCH_REG R128_GUI_SCRATCH_REG1 | |
387 | #define R128_MAX_VB_AGE 0x7fffffff | |
388 | #define R128_MAX_VB_VERTS (0xffff) | |
389 | ||
390 | #define R128_RING_HIGH_MARK 128 | |
391 | ||
392 | #define R128_PERFORMANCE_BOXES 0 | |
393 | ||
f2b04cd2 DA |
394 | #define R128_PCIGART_TABLE_SIZE 32768 |
395 | ||
bc5e9d6a NK |
396 | #define R128_READ(reg) DRM_READ32(dev_priv->mmio, (reg)) |
397 | #define R128_WRITE(reg, val) DRM_WRITE32(dev_priv->mmio, (reg), (val)) | |
398 | #define R128_READ8(reg) DRM_READ8(dev_priv->mmio, (reg)) | |
399 | #define R128_WRITE8(reg, val) DRM_WRITE8(dev_priv->mmio, (reg), (val)) | |
1da177e4 | 400 | |
bc5e9d6a | 401 | #define R128_WRITE_PLL(addr, val) \ |
1da177e4 LT |
402 | do { \ |
403 | R128_WRITE8(R128_CLOCK_CNTL_INDEX, \ | |
404 | ((addr) & 0x1f) | R128_PLL_WR_EN); \ | |
405 | R128_WRITE(R128_CLOCK_CNTL_DATA, (val)); \ | |
406 | } while (0) | |
407 | ||
bc5e9d6a | 408 | #define CCE_PACKET0(reg, n) (R128_CCE_PACKET0 | \ |
1da177e4 | 409 | ((n) << 16) | ((reg) >> 2)) |
bc5e9d6a | 410 | #define CCE_PACKET1(reg0, reg1) (R128_CCE_PACKET1 | \ |
1da177e4 LT |
411 | (((reg1) >> 2) << 11) | ((reg0) >> 2)) |
412 | #define CCE_PACKET2() (R128_CCE_PACKET2) | |
bc5e9d6a | 413 | #define CCE_PACKET3(pkt, n) (R128_CCE_PACKET3 | \ |
1da177e4 LT |
414 | (pkt) | ((n) << 16)) |
415 | ||
bc5e9d6a | 416 | static __inline__ void r128_update_ring_snapshot(drm_r128_private_t *dev_priv) |
1da177e4 LT |
417 | { |
418 | drm_r128_ring_buffer_t *ring = &dev_priv->ring; | |
b5e89ed5 DA |
419 | ring->space = (GET_RING_HEAD(dev_priv) - ring->tail) * sizeof(u32); |
420 | if (ring->space <= 0) | |
1da177e4 LT |
421 | ring->space += ring->size; |
422 | } | |
423 | ||
424 | /* ================================================================ | |
425 | * Misc helper macros | |
426 | */ | |
427 | ||
7dc482df BH |
428 | #define DEV_INIT_TEST_WITH_RETURN(_dev_priv) \ |
429 | do { \ | |
430 | if (!_dev_priv) { \ | |
431 | DRM_ERROR("called with no initialization\n"); \ | |
432 | return -EINVAL; \ | |
433 | } \ | |
434 | } while (0) | |
435 | ||
bc5e9d6a | 436 | #define RING_SPACE_TEST_WITH_RETURN(dev_priv) \ |
1da177e4 LT |
437 | do { \ |
438 | drm_r128_ring_buffer_t *ring = &dev_priv->ring; int i; \ | |
bc5e9d6a NK |
439 | if (ring->space < ring->high_mark) { \ |
440 | for (i = 0 ; i < dev_priv->usec_timeout ; i++) { \ | |
441 | r128_update_ring_snapshot(dev_priv); \ | |
442 | if (ring->space >= ring->high_mark) \ | |
1da177e4 | 443 | goto __ring_space_done; \ |
bc5e9d6a | 444 | DRM_UDELAY(1); \ |
1da177e4 | 445 | } \ |
bc5e9d6a NK |
446 | DRM_ERROR("ring space check failed!\n"); \ |
447 | return -EBUSY; \ | |
1da177e4 LT |
448 | } \ |
449 | __ring_space_done: \ | |
450 | ; \ | |
451 | } while (0) | |
452 | ||
bc5e9d6a | 453 | #define VB_AGE_TEST_WITH_RETURN(dev_priv) \ |
1da177e4 LT |
454 | do { \ |
455 | drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; \ | |
bc5e9d6a NK |
456 | if (sarea_priv->last_dispatch >= R128_MAX_VB_AGE) { \ |
457 | int __ret = r128_do_cce_idle(dev_priv); \ | |
458 | if (__ret) \ | |
459 | return __ret; \ | |
1da177e4 | 460 | sarea_priv->last_dispatch = 0; \ |
bc5e9d6a | 461 | r128_freelist_reset(dev); \ |
1da177e4 LT |
462 | } \ |
463 | } while (0) | |
464 | ||
465 | #define R128_WAIT_UNTIL_PAGE_FLIPPED() do { \ | |
bc5e9d6a NK |
466 | OUT_RING(CCE_PACKET0(R128_WAIT_UNTIL, 0)); \ |
467 | OUT_RING(R128_EVENT_CRTC_OFFSET); \ | |
1da177e4 LT |
468 | } while (0) |
469 | ||
1da177e4 LT |
470 | /* ================================================================ |
471 | * Ring control | |
472 | */ | |
473 | ||
474 | #define R128_VERBOSE 0 | |
475 | ||
476 | #define RING_LOCALS \ | |
477 | int write, _nr; unsigned int tail_mask; volatile u32 *ring; | |
478 | ||
bc5e9d6a NK |
479 | #define BEGIN_RING(n) do { \ |
480 | if (R128_VERBOSE) \ | |
481 | DRM_INFO("BEGIN_RING(%d)\n", (n)); \ | |
482 | if (dev_priv->ring.space <= (n) * sizeof(u32)) { \ | |
1da177e4 | 483 | COMMIT_RING(); \ |
bc5e9d6a | 484 | r128_wait_ring(dev_priv, (n) * sizeof(u32)); \ |
1da177e4 LT |
485 | } \ |
486 | _nr = n; dev_priv->ring.space -= (n) * sizeof(u32); \ | |
487 | ring = dev_priv->ring.start; \ | |
488 | write = dev_priv->ring.tail; \ | |
489 | tail_mask = dev_priv->ring.tail_mask; \ | |
490 | } while (0) | |
491 | ||
492 | /* You can set this to zero if you want. If the card locks up, you'll | |
493 | * need to keep this set. It works around a bug in early revs of the | |
494 | * Rage 128 chipset, where the CCE would read 32 dwords past the end of | |
495 | * the ring buffer before wrapping around. | |
496 | */ | |
497 | #define R128_BROKEN_CCE 1 | |
498 | ||
499 | #define ADVANCE_RING() do { \ | |
bc5e9d6a NK |
500 | if (R128_VERBOSE) \ |
501 | DRM_INFO("ADVANCE_RING() wr=0x%06x tail=0x%06x\n", \ | |
502 | write, dev_priv->ring.tail); \ | |
503 | if (R128_BROKEN_CCE && write < 32) \ | |
504 | memcpy(dev_priv->ring.end, \ | |
505 | dev_priv->ring.start, \ | |
506 | write * sizeof(u32)); \ | |
507 | if (((dev_priv->ring.tail + _nr) & tail_mask) != write) \ | |
bc5f4523 | 508 | DRM_ERROR( \ |
1da177e4 LT |
509 | "ADVANCE_RING(): mismatch: nr: %x write: %x line: %d\n", \ |
510 | ((dev_priv->ring.tail + _nr) & tail_mask), \ | |
511 | write, __LINE__); \ | |
bc5e9d6a | 512 | else \ |
1da177e4 LT |
513 | dev_priv->ring.tail = write; \ |
514 | } while (0) | |
515 | ||
516 | #define COMMIT_RING() do { \ | |
bc5e9d6a NK |
517 | if (R128_VERBOSE) \ |
518 | DRM_INFO("COMMIT_RING() tail=0x%06x\n", \ | |
519 | dev_priv->ring.tail); \ | |
85b2331b | 520 | mb(); \ |
bc5e9d6a NK |
521 | R128_WRITE(R128_PM4_BUFFER_DL_WPTR, dev_priv->ring.tail); \ |
522 | R128_READ(R128_PM4_BUFFER_DL_WPTR); \ | |
1da177e4 LT |
523 | } while (0) |
524 | ||
bc5e9d6a NK |
525 | #define OUT_RING(x) do { \ |
526 | if (R128_VERBOSE) \ | |
527 | DRM_INFO(" OUT_RING( 0x%08x ) at 0x%x\n", \ | |
528 | (unsigned int)(x), write); \ | |
529 | ring[write++] = cpu_to_le32(x); \ | |
1da177e4 LT |
530 | write &= tail_mask; \ |
531 | } while (0) | |
532 | ||
b5e89ed5 | 533 | #endif /* __R128_DRV_H__ */ |