radeon_cp.c revision 148211
1/* radeon_cp.c -- CP support for Radeon -*- linux-c -*- */
2/*-
3 * Copyright 2000 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_cp.c 148211 2005-07-20 21:10:57Z anholt $
31 */
32
33#include "dev/drm/drmP.h"
34#include "dev/drm/drm.h"
35#include "dev/drm/radeon_drm.h"
36#include "dev/drm/radeon_drv.h"
37#include "dev/drm/r300_reg.h"
38
39#define RADEON_FIFO_DEBUG	0
40
41static int radeon_do_cleanup_cp(drm_device_t * dev);
42
43/* CP microcode (from ATI) */
44static u32 R200_cp_microcode[][2] = {
45	{0x21007000, 0000000000},
46	{0x20007000, 0000000000},
47	{0x000000ab, 0x00000004},
48	{0x000000af, 0x00000004},
49	{0x66544a49, 0000000000},
50	{0x49494174, 0000000000},
51	{0x54517d83, 0000000000},
52	{0x498d8b64, 0000000000},
53	{0x49494949, 0000000000},
54	{0x49da493c, 0000000000},
55	{0x49989898, 0000000000},
56	{0xd34949d5, 0000000000},
57	{0x9dc90e11, 0000000000},
58	{0xce9b9b9b, 0000000000},
59	{0x000f0000, 0x00000016},
60	{0x352e232c, 0000000000},
61	{0x00000013, 0x00000004},
62	{0x000f0000, 0x00000016},
63	{0x352e272c, 0000000000},
64	{0x000f0001, 0x00000016},
65	{0x3239362f, 0000000000},
66	{0x000077ef, 0x00000002},
67	{0x00061000, 0x00000002},
68	{0x00000020, 0x0000001a},
69	{0x00004000, 0x0000001e},
70	{0x00061000, 0x00000002},
71	{0x00000020, 0x0000001a},
72	{0x00004000, 0x0000001e},
73	{0x00061000, 0x00000002},
74	{0x00000020, 0x0000001a},
75	{0x00004000, 0x0000001e},
76	{0x00000016, 0x00000004},
77	{0x0003802a, 0x00000002},
78	{0x040067e0, 0x00000002},
79	{0x00000016, 0x00000004},
80	{0x000077e0, 0x00000002},
81	{0x00065000, 0x00000002},
82	{0x000037e1, 0x00000002},
83	{0x040067e1, 0x00000006},
84	{0x000077e0, 0x00000002},
85	{0x000077e1, 0x00000002},
86	{0x000077e1, 0x00000006},
87	{0xffffffff, 0000000000},
88	{0x10000000, 0000000000},
89	{0x0003802a, 0x00000002},
90	{0x040067e0, 0x00000006},
91	{0x00007675, 0x00000002},
92	{0x00007676, 0x00000002},
93	{0x00007677, 0x00000002},
94	{0x00007678, 0x00000006},
95	{0x0003802b, 0x00000002},
96	{0x04002676, 0x00000002},
97	{0x00007677, 0x00000002},
98	{0x00007678, 0x00000006},
99	{0x0000002e, 0x00000018},
100	{0x0000002e, 0x00000018},
101	{0000000000, 0x00000006},
102	{0x0000002f, 0x00000018},
103	{0x0000002f, 0x00000018},
104	{0000000000, 0x00000006},
105	{0x01605000, 0x00000002},
106	{0x00065000, 0x00000002},
107	{0x00098000, 0x00000002},
108	{0x00061000, 0x00000002},
109	{0x64c0603d, 0x00000004},
110	{0x00080000, 0x00000016},
111	{0000000000, 0000000000},
112	{0x0400251d, 0x00000002},
113	{0x00007580, 0x00000002},
114	{0x00067581, 0x00000002},
115	{0x04002580, 0x00000002},
116	{0x00067581, 0x00000002},
117	{0x00000046, 0x00000004},
118	{0x00005000, 0000000000},
119	{0x00061000, 0x00000002},
120	{0x0000750e, 0x00000002},
121	{0x00019000, 0x00000002},
122	{0x00011055, 0x00000014},
123	{0x00000055, 0x00000012},
124	{0x0400250f, 0x00000002},
125	{0x0000504a, 0x00000004},
126	{0x00007565, 0x00000002},
127	{0x00007566, 0x00000002},
128	{0x00000051, 0x00000004},
129	{0x01e655b4, 0x00000002},
130	{0x4401b0dc, 0x00000002},
131	{0x01c110dc, 0x00000002},
132	{0x2666705d, 0x00000018},
133	{0x040c2565, 0x00000002},
134	{0x0000005d, 0x00000018},
135	{0x04002564, 0x00000002},
136	{0x00007566, 0x00000002},
137	{0x00000054, 0x00000004},
138	{0x00401060, 0x00000008},
139	{0x00101000, 0x00000002},
140	{0x000d80ff, 0x00000002},
141	{0x00800063, 0x00000008},
142	{0x000f9000, 0x00000002},
143	{0x000e00ff, 0x00000002},
144	{0000000000, 0x00000006},
145	{0x00000080, 0x00000018},
146	{0x00000054, 0x00000004},
147	{0x00007576, 0x00000002},
148	{0x00065000, 0x00000002},
149	{0x00009000, 0x00000002},
150	{0x00041000, 0x00000002},
151	{0x0c00350e, 0x00000002},
152	{0x00049000, 0x00000002},
153	{0x00051000, 0x00000002},
154	{0x01e785f8, 0x00000002},
155	{0x00200000, 0x00000002},
156	{0x00600073, 0x0000000c},
157	{0x00007563, 0x00000002},
158	{0x006075f0, 0x00000021},
159	{0x20007068, 0x00000004},
160	{0x00005068, 0x00000004},
161	{0x00007576, 0x00000002},
162	{0x00007577, 0x00000002},
163	{0x0000750e, 0x00000002},
164	{0x0000750f, 0x00000002},
165	{0x00a05000, 0x00000002},
166	{0x00600076, 0x0000000c},
167	{0x006075f0, 0x00000021},
168	{0x000075f8, 0x00000002},
169	{0x00000076, 0x00000004},
170	{0x000a750e, 0x00000002},
171	{0x0020750f, 0x00000002},
172	{0x00600079, 0x00000004},
173	{0x00007570, 0x00000002},
174	{0x00007571, 0x00000002},
175	{0x00007572, 0x00000006},
176	{0x00005000, 0x00000002},
177	{0x00a05000, 0x00000002},
178	{0x00007568, 0x00000002},
179	{0x00061000, 0x00000002},
180	{0x00000084, 0x0000000c},
181	{0x00058000, 0x00000002},
182	{0x0c607562, 0x00000002},
183	{0x00000086, 0x00000004},
184	{0x00600085, 0x00000004},
185	{0x400070dd, 0000000000},
186	{0x000380dd, 0x00000002},
187	{0x00000093, 0x0000001c},
188	{0x00065095, 0x00000018},
189	{0x040025bb, 0x00000002},
190	{0x00061096, 0x00000018},
191	{0x040075bc, 0000000000},
192	{0x000075bb, 0x00000002},
193	{0x000075bc, 0000000000},
194	{0x00090000, 0x00000006},
195	{0x00090000, 0x00000002},
196	{0x000d8002, 0x00000006},
197	{0x00005000, 0x00000002},
198	{0x00007821, 0x00000002},
199	{0x00007800, 0000000000},
200	{0x00007821, 0x00000002},
201	{0x00007800, 0000000000},
202	{0x01665000, 0x00000002},
203	{0x000a0000, 0x00000002},
204	{0x000671cc, 0x00000002},
205	{0x0286f1cd, 0x00000002},
206	{0x000000a3, 0x00000010},
207	{0x21007000, 0000000000},
208	{0x000000aa, 0x0000001c},
209	{0x00065000, 0x00000002},
210	{0x000a0000, 0x00000002},
211	{0x00061000, 0x00000002},
212	{0x000b0000, 0x00000002},
213	{0x38067000, 0x00000002},
214	{0x000a00a6, 0x00000004},
215	{0x20007000, 0000000000},
216	{0x01200000, 0x00000002},
217	{0x20077000, 0x00000002},
218	{0x01200000, 0x00000002},
219	{0x20007000, 0000000000},
220	{0x00061000, 0x00000002},
221	{0x0120751b, 0x00000002},
222	{0x8040750a, 0x00000002},
223	{0x8040750b, 0x00000002},
224	{0x00110000, 0x00000002},
225	{0x000380dd, 0x00000002},
226	{0x000000bd, 0x0000001c},
227	{0x00061096, 0x00000018},
228	{0x844075bd, 0x00000002},
229	{0x00061095, 0x00000018},
230	{0x840075bb, 0x00000002},
231	{0x00061096, 0x00000018},
232	{0x844075bc, 0x00000002},
233	{0x000000c0, 0x00000004},
234	{0x804075bd, 0x00000002},
235	{0x800075bb, 0x00000002},
236	{0x804075bc, 0x00000002},
237	{0x00108000, 0x00000002},
238	{0x01400000, 0x00000002},
239	{0x006000c4, 0x0000000c},
240	{0x20c07000, 0x00000020},
241	{0x000000c6, 0x00000012},
242	{0x00800000, 0x00000006},
243	{0x0080751d, 0x00000006},
244	{0x000025bb, 0x00000002},
245	{0x000040c0, 0x00000004},
246	{0x0000775c, 0x00000002},
247	{0x00a05000, 0x00000002},
248	{0x00661000, 0x00000002},
249	{0x0460275d, 0x00000020},
250	{0x00004000, 0000000000},
251	{0x00007999, 0x00000002},
252	{0x00a05000, 0x00000002},
253	{0x00661000, 0x00000002},
254	{0x0460299b, 0x00000020},
255	{0x00004000, 0000000000},
256	{0x01e00830, 0x00000002},
257	{0x21007000, 0000000000},
258	{0x00005000, 0x00000002},
259	{0x00038042, 0x00000002},
260	{0x040025e0, 0x00000002},
261	{0x000075e1, 0000000000},
262	{0x00000001, 0000000000},
263	{0x000380d9, 0x00000002},
264	{0x04007394, 0000000000},
265	{0000000000, 0000000000},
266	{0000000000, 0000000000},
267	{0000000000, 0000000000},
268	{0000000000, 0000000000},
269	{0000000000, 0000000000},
270	{0000000000, 0000000000},
271	{0000000000, 0000000000},
272	{0000000000, 0000000000},
273	{0000000000, 0000000000},
274	{0000000000, 0000000000},
275	{0000000000, 0000000000},
276	{0000000000, 0000000000},
277	{0000000000, 0000000000},
278	{0000000000, 0000000000},
279	{0000000000, 0000000000},
280	{0000000000, 0000000000},
281	{0000000000, 0000000000},
282	{0000000000, 0000000000},
283	{0000000000, 0000000000},
284	{0000000000, 0000000000},
285	{0000000000, 0000000000},
286	{0000000000, 0000000000},
287	{0000000000, 0000000000},
288	{0000000000, 0000000000},
289	{0000000000, 0000000000},
290	{0000000000, 0000000000},
291	{0000000000, 0000000000},
292	{0000000000, 0000000000},
293	{0000000000, 0000000000},
294	{0000000000, 0000000000},
295	{0000000000, 0000000000},
296	{0000000000, 0000000000},
297	{0000000000, 0000000000},
298	{0000000000, 0000000000},
299	{0000000000, 0000000000},
300	{0000000000, 0000000000},
301};
302
303static u32 radeon_cp_microcode[][2] = {
304	{0x21007000, 0000000000},
305	{0x20007000, 0000000000},
306	{0x000000b4, 0x00000004},
307	{0x000000b8, 0x00000004},
308	{0x6f5b4d4c, 0000000000},
309	{0x4c4c427f, 0000000000},
310	{0x5b568a92, 0000000000},
311	{0x4ca09c6d, 0000000000},
312	{0xad4c4c4c, 0000000000},
313	{0x4ce1af3d, 0000000000},
314	{0xd8afafaf, 0000000000},
315	{0xd64c4cdc, 0000000000},
316	{0x4cd10d10, 0000000000},
317	{0x000f0000, 0x00000016},
318	{0x362f242d, 0000000000},
319	{0x00000012, 0x00000004},
320	{0x000f0000, 0x00000016},
321	{0x362f282d, 0000000000},
322	{0x000380e7, 0x00000002},
323	{0x04002c97, 0x00000002},
324	{0x000f0001, 0x00000016},
325	{0x333a3730, 0000000000},
326	{0x000077ef, 0x00000002},
327	{0x00061000, 0x00000002},
328	{0x00000021, 0x0000001a},
329	{0x00004000, 0x0000001e},
330	{0x00061000, 0x00000002},
331	{0x00000021, 0x0000001a},
332	{0x00004000, 0x0000001e},
333	{0x00061000, 0x00000002},
334	{0x00000021, 0x0000001a},
335	{0x00004000, 0x0000001e},
336	{0x00000017, 0x00000004},
337	{0x0003802b, 0x00000002},
338	{0x040067e0, 0x00000002},
339	{0x00000017, 0x00000004},
340	{0x000077e0, 0x00000002},
341	{0x00065000, 0x00000002},
342	{0x000037e1, 0x00000002},
343	{0x040067e1, 0x00000006},
344	{0x000077e0, 0x00000002},
345	{0x000077e1, 0x00000002},
346	{0x000077e1, 0x00000006},
347	{0xffffffff, 0000000000},
348	{0x10000000, 0000000000},
349	{0x0003802b, 0x00000002},
350	{0x040067e0, 0x00000006},
351	{0x00007675, 0x00000002},
352	{0x00007676, 0x00000002},
353	{0x00007677, 0x00000002},
354	{0x00007678, 0x00000006},
355	{0x0003802c, 0x00000002},
356	{0x04002676, 0x00000002},
357	{0x00007677, 0x00000002},
358	{0x00007678, 0x00000006},
359	{0x0000002f, 0x00000018},
360	{0x0000002f, 0x00000018},
361	{0000000000, 0x00000006},
362	{0x00000030, 0x00000018},
363	{0x00000030, 0x00000018},
364	{0000000000, 0x00000006},
365	{0x01605000, 0x00000002},
366	{0x00065000, 0x00000002},
367	{0x00098000, 0x00000002},
368	{0x00061000, 0x00000002},
369	{0x64c0603e, 0x00000004},
370	{0x000380e6, 0x00000002},
371	{0x040025c5, 0x00000002},
372	{0x00080000, 0x00000016},
373	{0000000000, 0000000000},
374	{0x0400251d, 0x00000002},
375	{0x00007580, 0x00000002},
376	{0x00067581, 0x00000002},
377	{0x04002580, 0x00000002},
378	{0x00067581, 0x00000002},
379	{0x00000049, 0x00000004},
380	{0x00005000, 0000000000},
381	{0x000380e6, 0x00000002},
382	{0x040025c5, 0x00000002},
383	{0x00061000, 0x00000002},
384	{0x0000750e, 0x00000002},
385	{0x00019000, 0x00000002},
386	{0x00011055, 0x00000014},
387	{0x00000055, 0x00000012},
388	{0x0400250f, 0x00000002},
389	{0x0000504f, 0x00000004},
390	{0x000380e6, 0x00000002},
391	{0x040025c5, 0x00000002},
392	{0x00007565, 0x00000002},
393	{0x00007566, 0x00000002},
394	{0x00000058, 0x00000004},
395	{0x000380e6, 0x00000002},
396	{0x040025c5, 0x00000002},
397	{0x01e655b4, 0x00000002},
398	{0x4401b0e4, 0x00000002},
399	{0x01c110e4, 0x00000002},
400	{0x26667066, 0x00000018},
401	{0x040c2565, 0x00000002},
402	{0x00000066, 0x00000018},
403	{0x04002564, 0x00000002},
404	{0x00007566, 0x00000002},
405	{0x0000005d, 0x00000004},
406	{0x00401069, 0x00000008},
407	{0x00101000, 0x00000002},
408	{0x000d80ff, 0x00000002},
409	{0x0080006c, 0x00000008},
410	{0x000f9000, 0x00000002},
411	{0x000e00ff, 0x00000002},
412	{0000000000, 0x00000006},
413	{0x0000008f, 0x00000018},
414	{0x0000005b, 0x00000004},
415	{0x000380e6, 0x00000002},
416	{0x040025c5, 0x00000002},
417	{0x00007576, 0x00000002},
418	{0x00065000, 0x00000002},
419	{0x00009000, 0x00000002},
420	{0x00041000, 0x00000002},
421	{0x0c00350e, 0x00000002},
422	{0x00049000, 0x00000002},
423	{0x00051000, 0x00000002},
424	{0x01e785f8, 0x00000002},
425	{0x00200000, 0x00000002},
426	{0x0060007e, 0x0000000c},
427	{0x00007563, 0x00000002},
428	{0x006075f0, 0x00000021},
429	{0x20007073, 0x00000004},
430	{0x00005073, 0x00000004},
431	{0x000380e6, 0x00000002},
432	{0x040025c5, 0x00000002},
433	{0x00007576, 0x00000002},
434	{0x00007577, 0x00000002},
435	{0x0000750e, 0x00000002},
436	{0x0000750f, 0x00000002},
437	{0x00a05000, 0x00000002},
438	{0x00600083, 0x0000000c},
439	{0x006075f0, 0x00000021},
440	{0x000075f8, 0x00000002},
441	{0x00000083, 0x00000004},
442	{0x000a750e, 0x00000002},
443	{0x000380e6, 0x00000002},
444	{0x040025c5, 0x00000002},
445	{0x0020750f, 0x00000002},
446	{0x00600086, 0x00000004},
447	{0x00007570, 0x00000002},
448	{0x00007571, 0x00000002},
449	{0x00007572, 0x00000006},
450	{0x000380e6, 0x00000002},
451	{0x040025c5, 0x00000002},
452	{0x00005000, 0x00000002},
453	{0x00a05000, 0x00000002},
454	{0x00007568, 0x00000002},
455	{0x00061000, 0x00000002},
456	{0x00000095, 0x0000000c},
457	{0x00058000, 0x00000002},
458	{0x0c607562, 0x00000002},
459	{0x00000097, 0x00000004},
460	{0x000380e6, 0x00000002},
461	{0x040025c5, 0x00000002},
462	{0x00600096, 0x00000004},
463	{0x400070e5, 0000000000},
464	{0x000380e6, 0x00000002},
465	{0x040025c5, 0x00000002},
466	{0x000380e5, 0x00000002},
467	{0x000000a8, 0x0000001c},
468	{0x000650aa, 0x00000018},
469	{0x040025bb, 0x00000002},
470	{0x000610ab, 0x00000018},
471	{0x040075bc, 0000000000},
472	{0x000075bb, 0x00000002},
473	{0x000075bc, 0000000000},
474	{0x00090000, 0x00000006},
475	{0x00090000, 0x00000002},
476	{0x000d8002, 0x00000006},
477	{0x00007832, 0x00000002},
478	{0x00005000, 0x00000002},
479	{0x000380e7, 0x00000002},
480	{0x04002c97, 0x00000002},
481	{0x00007820, 0x00000002},
482	{0x00007821, 0x00000002},
483	{0x00007800, 0000000000},
484	{0x01200000, 0x00000002},
485	{0x20077000, 0x00000002},
486	{0x01200000, 0x00000002},
487	{0x20007000, 0x00000002},
488	{0x00061000, 0x00000002},
489	{0x0120751b, 0x00000002},
490	{0x8040750a, 0x00000002},
491	{0x8040750b, 0x00000002},
492	{0x00110000, 0x00000002},
493	{0x000380e5, 0x00000002},
494	{0x000000c6, 0x0000001c},
495	{0x000610ab, 0x00000018},
496	{0x844075bd, 0x00000002},
497	{0x000610aa, 0x00000018},
498	{0x840075bb, 0x00000002},
499	{0x000610ab, 0x00000018},
500	{0x844075bc, 0x00000002},
501	{0x000000c9, 0x00000004},
502	{0x804075bd, 0x00000002},
503	{0x800075bb, 0x00000002},
504	{0x804075bc, 0x00000002},
505	{0x00108000, 0x00000002},
506	{0x01400000, 0x00000002},
507	{0x006000cd, 0x0000000c},
508	{0x20c07000, 0x00000020},
509	{0x000000cf, 0x00000012},
510	{0x00800000, 0x00000006},
511	{0x0080751d, 0x00000006},
512	{0000000000, 0000000000},
513	{0x0000775c, 0x00000002},
514	{0x00a05000, 0x00000002},
515	{0x00661000, 0x00000002},
516	{0x0460275d, 0x00000020},
517	{0x00004000, 0000000000},
518	{0x01e00830, 0x00000002},
519	{0x21007000, 0000000000},
520	{0x6464614d, 0000000000},
521	{0x69687420, 0000000000},
522	{0x00000073, 0000000000},
523	{0000000000, 0000000000},
524	{0x00005000, 0x00000002},
525	{0x000380d0, 0x00000002},
526	{0x040025e0, 0x00000002},
527	{0x000075e1, 0000000000},
528	{0x00000001, 0000000000},
529	{0x000380e0, 0x00000002},
530	{0x04002394, 0x00000002},
531	{0x00005000, 0000000000},
532	{0000000000, 0000000000},
533	{0000000000, 0000000000},
534	{0x00000008, 0000000000},
535	{0x00000004, 0000000000},
536	{0000000000, 0000000000},
537	{0000000000, 0000000000},
538	{0000000000, 0000000000},
539	{0000000000, 0000000000},
540	{0000000000, 0000000000},
541	{0000000000, 0000000000},
542	{0000000000, 0000000000},
543	{0000000000, 0000000000},
544	{0000000000, 0000000000},
545	{0000000000, 0000000000},
546	{0000000000, 0000000000},
547	{0000000000, 0000000000},
548	{0000000000, 0000000000},
549	{0000000000, 0000000000},
550	{0000000000, 0000000000},
551	{0000000000, 0000000000},
552	{0000000000, 0000000000},
553	{0000000000, 0000000000},
554	{0000000000, 0000000000},
555	{0000000000, 0000000000},
556	{0000000000, 0000000000},
557	{0000000000, 0000000000},
558	{0000000000, 0000000000},
559	{0000000000, 0000000000},
560};
561
562static u32 R300_cp_microcode[][2] = {
563	{ 0x4200e000, 0000000000 },
564	{ 0x4000e000, 0000000000 },
565	{ 0x000000af, 0x00000008 },
566	{ 0x000000b3, 0x00000008 },
567	{ 0x6c5a504f, 0000000000 },
568	{ 0x4f4f497a, 0000000000 },
569	{ 0x5a578288, 0000000000 },
570	{ 0x4f91906a, 0000000000 },
571	{ 0x4f4f4f4f, 0000000000 },
572	{ 0x4fe24f44, 0000000000 },
573	{ 0x4f9c9c9c, 0000000000 },
574	{ 0xdc4f4fde, 0000000000 },
575	{ 0xa1cd4f4f, 0000000000 },
576	{ 0xd29d9d9d, 0000000000 },
577	{ 0x4f0f9fd7, 0000000000 },
578	{ 0x000ca000, 0x00000004 },
579	{ 0x000d0012, 0x00000038 },
580	{ 0x0000e8b4, 0x00000004 },
581	{ 0x000d0014, 0x00000038 },
582	{ 0x0000e8b6, 0x00000004 },
583	{ 0x000d0016, 0x00000038 },
584	{ 0x0000e854, 0x00000004 },
585	{ 0x000d0018, 0x00000038 },
586	{ 0x0000e855, 0x00000004 },
587	{ 0x000d001a, 0x00000038 },
588	{ 0x0000e856, 0x00000004 },
589	{ 0x000d001c, 0x00000038 },
590	{ 0x0000e857, 0x00000004 },
591	{ 0x000d001e, 0x00000038 },
592	{ 0x0000e824, 0x00000004 },
593	{ 0x000d0020, 0x00000038 },
594	{ 0x0000e825, 0x00000004 },
595	{ 0x000d0022, 0x00000038 },
596	{ 0x0000e830, 0x00000004 },
597	{ 0x000d0024, 0x00000038 },
598	{ 0x0000f0c0, 0x00000004 },
599	{ 0x000d0026, 0x00000038 },
600	{ 0x0000f0c1, 0x00000004 },
601	{ 0x000d0028, 0x00000038 },
602	{ 0x0000f041, 0x00000004 },
603	{ 0x000d002a, 0x00000038 },
604	{ 0x0000f184, 0x00000004 },
605	{ 0x000d002c, 0x00000038 },
606	{ 0x0000f185, 0x00000004 },
607	{ 0x000d002e, 0x00000038 },
608	{ 0x0000f186, 0x00000004 },
609	{ 0x000d0030, 0x00000038 },
610	{ 0x0000f187, 0x00000004 },
611	{ 0x000d0032, 0x00000038 },
612	{ 0x0000f180, 0x00000004 },
613	{ 0x000d0034, 0x00000038 },
614	{ 0x0000f393, 0x00000004 },
615	{ 0x000d0036, 0x00000038 },
616	{ 0x0000f38a, 0x00000004 },
617	{ 0x000d0038, 0x00000038 },
618	{ 0x0000f38e, 0x00000004 },
619	{ 0x0000e821, 0x00000004 },
620	{ 0x0140a000, 0x00000004 },
621	{ 0x00000043, 0x00000018 },
622	{ 0x00cce800, 0x00000004 },
623	{ 0x001b0001, 0x00000004 },
624	{ 0x08004800, 0x00000004 },
625	{ 0x001b0001, 0x00000004 },
626	{ 0x08004800, 0x00000004 },
627	{ 0x001b0001, 0x00000004 },
628	{ 0x08004800, 0x00000004 },
629	{ 0x0000003a, 0x00000008 },
630	{ 0x0000a000, 0000000000 },
631	{ 0x02c0a000, 0x00000004 },
632	{ 0x000ca000, 0x00000004 },
633	{ 0x00130000, 0x00000004 },
634	{ 0x000c2000, 0x00000004 },
635	{ 0xc980c045, 0x00000008 },
636	{ 0x2000451d, 0x00000004 },
637	{ 0x0000e580, 0x00000004 },
638	{ 0x000ce581, 0x00000004 },
639	{ 0x08004580, 0x00000004 },
640	{ 0x000ce581, 0x00000004 },
641	{ 0x0000004c, 0x00000008 },
642	{ 0x0000a000, 0000000000 },
643	{ 0x000c2000, 0x00000004 },
644	{ 0x0000e50e, 0x00000004 },
645	{ 0x00032000, 0x00000004 },
646	{ 0x00022056, 0x00000028 },
647	{ 0x00000056, 0x00000024 },
648	{ 0x0800450f, 0x00000004 },
649	{ 0x0000a050, 0x00000008 },
650	{ 0x0000e565, 0x00000004 },
651	{ 0x0000e566, 0x00000004 },
652	{ 0x00000057, 0x00000008 },
653	{ 0x03cca5b4, 0x00000004 },
654	{ 0x05432000, 0x00000004 },
655	{ 0x00022000, 0x00000004 },
656	{ 0x4ccce063, 0x00000030 },
657	{ 0x08274565, 0x00000004 },
658	{ 0x00000063, 0x00000030 },
659	{ 0x08004564, 0x00000004 },
660	{ 0x0000e566, 0x00000004 },
661	{ 0x0000005a, 0x00000008 },
662	{ 0x00802066, 0x00000010 },
663	{ 0x00202000, 0x00000004 },
664	{ 0x001b00ff, 0x00000004 },
665	{ 0x01000069, 0x00000010 },
666	{ 0x001f2000, 0x00000004 },
667	{ 0x001c00ff, 0x00000004 },
668	{ 0000000000, 0x0000000c },
669	{ 0x00000085, 0x00000030 },
670	{ 0x0000005a, 0x00000008 },
671	{ 0x0000e576, 0x00000004 },
672	{ 0x000ca000, 0x00000004 },
673	{ 0x00012000, 0x00000004 },
674	{ 0x00082000, 0x00000004 },
675	{ 0x1800650e, 0x00000004 },
676	{ 0x00092000, 0x00000004 },
677	{ 0x000a2000, 0x00000004 },
678	{ 0x000f0000, 0x00000004 },
679	{ 0x00400000, 0x00000004 },
680	{ 0x00000079, 0x00000018 },
681	{ 0x0000e563, 0x00000004 },
682	{ 0x00c0e5f9, 0x000000c2 },
683	{ 0x0000006e, 0x00000008 },
684	{ 0x0000a06e, 0x00000008 },
685	{ 0x0000e576, 0x00000004 },
686	{ 0x0000e577, 0x00000004 },
687	{ 0x0000e50e, 0x00000004 },
688	{ 0x0000e50f, 0x00000004 },
689	{ 0x0140a000, 0x00000004 },
690	{ 0x0000007c, 0x00000018 },
691	{ 0x00c0e5f9, 0x000000c2 },
692	{ 0x0000007c, 0x00000008 },
693	{ 0x0014e50e, 0x00000004 },
694	{ 0x0040e50f, 0x00000004 },
695	{ 0x00c0007f, 0x00000008 },
696	{ 0x0000e570, 0x00000004 },
697	{ 0x0000e571, 0x00000004 },
698	{ 0x0000e572, 0x0000000c },
699	{ 0x0000a000, 0x00000004 },
700	{ 0x0140a000, 0x00000004 },
701	{ 0x0000e568, 0x00000004 },
702	{ 0x000c2000, 0x00000004 },
703	{ 0x00000089, 0x00000018 },
704	{ 0x000b0000, 0x00000004 },
705	{ 0x18c0e562, 0x00000004 },
706	{ 0x0000008b, 0x00000008 },
707	{ 0x00c0008a, 0x00000008 },
708	{ 0x000700e4, 0x00000004 },
709	{ 0x00000097, 0x00000038 },
710	{ 0x000ca099, 0x00000030 },
711	{ 0x080045bb, 0x00000004 },
712	{ 0x000c209a, 0x00000030 },
713	{ 0x0800e5bc, 0000000000 },
714	{ 0x0000e5bb, 0x00000004 },
715	{ 0x0000e5bc, 0000000000 },
716	{ 0x00120000, 0x0000000c },
717	{ 0x00120000, 0x00000004 },
718	{ 0x001b0002, 0x0000000c },
719	{ 0x0000a000, 0x00000004 },
720	{ 0x0000e821, 0x00000004 },
721	{ 0x0000e800, 0000000000 },
722	{ 0x0000e821, 0x00000004 },
723	{ 0x0000e82e, 0000000000 },
724	{ 0x02cca000, 0x00000004 },
725	{ 0x00140000, 0x00000004 },
726	{ 0x000ce1cc, 0x00000004 },
727	{ 0x050de1cd, 0x00000004 },
728	{ 0x000000a7, 0x00000020 },
729	{ 0x4200e000, 0000000000 },
730	{ 0x000000ae, 0x00000038 },
731	{ 0x000ca000, 0x00000004 },
732	{ 0x00140000, 0x00000004 },
733	{ 0x000c2000, 0x00000004 },
734	{ 0x00160000, 0x00000004 },
735	{ 0x700ce000, 0x00000004 },
736	{ 0x001400aa, 0x00000008 },
737	{ 0x4000e000, 0000000000 },
738	{ 0x02400000, 0x00000004 },
739	{ 0x400ee000, 0x00000004 },
740	{ 0x02400000, 0x00000004 },
741	{ 0x4000e000, 0000000000 },
742	{ 0x000c2000, 0x00000004 },
743	{ 0x0240e51b, 0x00000004 },
744	{ 0x0080e50a, 0x00000005 },
745	{ 0x0080e50b, 0x00000005 },
746	{ 0x00220000, 0x00000004 },
747	{ 0x000700e4, 0x00000004 },
748	{ 0x000000c1, 0x00000038 },
749	{ 0x000c209a, 0x00000030 },
750	{ 0x0880e5bd, 0x00000005 },
751	{ 0x000c2099, 0x00000030 },
752	{ 0x0800e5bb, 0x00000005 },
753	{ 0x000c209a, 0x00000030 },
754	{ 0x0880e5bc, 0x00000005 },
755	{ 0x000000c4, 0x00000008 },
756	{ 0x0080e5bd, 0x00000005 },
757	{ 0x0000e5bb, 0x00000005 },
758	{ 0x0080e5bc, 0x00000005 },
759	{ 0x00210000, 0x00000004 },
760	{ 0x02800000, 0x00000004 },
761	{ 0x00c000c8, 0x00000018 },
762	{ 0x4180e000, 0x00000040 },
763	{ 0x000000ca, 0x00000024 },
764	{ 0x01000000, 0x0000000c },
765	{ 0x0100e51d, 0x0000000c },
766	{ 0x000045bb, 0x00000004 },
767	{ 0x000080c4, 0x00000008 },
768	{ 0x0000f3ce, 0x00000004 },
769	{ 0x0140a000, 0x00000004 },
770	{ 0x00cc2000, 0x00000004 },
771	{ 0x08c053cf, 0x00000040 },
772	{ 0x00008000, 0000000000 },
773	{ 0x0000f3d2, 0x00000004 },
774	{ 0x0140a000, 0x00000004 },
775	{ 0x00cc2000, 0x00000004 },
776	{ 0x08c053d3, 0x00000040 },
777	{ 0x00008000, 0000000000 },
778	{ 0x0000f39d, 0x00000004 },
779	{ 0x0140a000, 0x00000004 },
780	{ 0x00cc2000, 0x00000004 },
781	{ 0x08c0539e, 0x00000040 },
782	{ 0x00008000, 0000000000 },
783	{ 0x03c00830, 0x00000004 },
784	{ 0x4200e000, 0000000000 },
785	{ 0x0000a000, 0x00000004 },
786	{ 0x200045e0, 0x00000004 },
787	{ 0x0000e5e1, 0000000000 },
788	{ 0x00000001, 0000000000 },
789	{ 0x000700e1, 0x00000004 },
790	{ 0x0800e394, 0000000000 },
791	{ 0000000000, 0000000000 },
792	{ 0000000000, 0000000000 },
793	{ 0000000000, 0000000000 },
794	{ 0000000000, 0000000000 },
795	{ 0000000000, 0000000000 },
796	{ 0000000000, 0000000000 },
797	{ 0000000000, 0000000000 },
798	{ 0000000000, 0000000000 },
799	{ 0000000000, 0000000000 },
800	{ 0000000000, 0000000000 },
801	{ 0000000000, 0000000000 },
802	{ 0000000000, 0000000000 },
803	{ 0000000000, 0000000000 },
804	{ 0000000000, 0000000000 },
805	{ 0000000000, 0000000000 },
806	{ 0000000000, 0000000000 },
807	{ 0000000000, 0000000000 },
808	{ 0000000000, 0000000000 },
809	{ 0000000000, 0000000000 },
810	{ 0000000000, 0000000000 },
811	{ 0000000000, 0000000000 },
812	{ 0000000000, 0000000000 },
813	{ 0000000000, 0000000000 },
814	{ 0000000000, 0000000000 },
815	{ 0000000000, 0000000000 },
816	{ 0000000000, 0000000000 },
817	{ 0000000000, 0000000000 },
818	{ 0000000000, 0000000000 },
819};
820
821static int RADEON_READ_PLL(drm_device_t * dev, int addr)
822{
823	drm_radeon_private_t *dev_priv = dev->dev_private;
824
825	RADEON_WRITE8(RADEON_CLOCK_CNTL_INDEX, addr & 0x1f);
826	return RADEON_READ(RADEON_CLOCK_CNTL_DATA);
827}
828
829static int RADEON_READ_PCIE(drm_radeon_private_t *dev_priv, int addr)
830{
831	RADEON_WRITE8(RADEON_PCIE_INDEX, addr & 0xff);
832	return RADEON_READ(RADEON_PCIE_DATA);
833}
834
835#if RADEON_FIFO_DEBUG
836static void radeon_status(drm_radeon_private_t * dev_priv)
837{
838	printk("%s:\n", __FUNCTION__);
839	printk("RBBM_STATUS = 0x%08x\n",
840	       (unsigned int)RADEON_READ(RADEON_RBBM_STATUS));
841	printk("CP_RB_RTPR = 0x%08x\n",
842	       (unsigned int)RADEON_READ(RADEON_CP_RB_RPTR));
843	printk("CP_RB_WTPR = 0x%08x\n",
844	       (unsigned int)RADEON_READ(RADEON_CP_RB_WPTR));
845	printk("AIC_CNTL = 0x%08x\n",
846	       (unsigned int)RADEON_READ(RADEON_AIC_CNTL));
847	printk("AIC_STAT = 0x%08x\n",
848	       (unsigned int)RADEON_READ(RADEON_AIC_STAT));
849	printk("AIC_PT_BASE = 0x%08x\n",
850	       (unsigned int)RADEON_READ(RADEON_AIC_PT_BASE));
851	printk("TLB_ADDR = 0x%08x\n",
852	       (unsigned int)RADEON_READ(RADEON_AIC_TLB_ADDR));
853	printk("TLB_DATA = 0x%08x\n",
854	       (unsigned int)RADEON_READ(RADEON_AIC_TLB_DATA));
855}
856#endif
857
858/* ================================================================
859 * Engine, FIFO control
860 */
861
862static int radeon_do_pixcache_flush(drm_radeon_private_t * dev_priv)
863{
864	u32 tmp;
865	int i;
866
867	dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
868
869	tmp = RADEON_READ(RADEON_RB2D_DSTCACHE_CTLSTAT);
870	tmp |= RADEON_RB2D_DC_FLUSH_ALL;
871	RADEON_WRITE(RADEON_RB2D_DSTCACHE_CTLSTAT, tmp);
872
873	for (i = 0; i < dev_priv->usec_timeout; i++) {
874		if (!(RADEON_READ(RADEON_RB2D_DSTCACHE_CTLSTAT)
875		      & RADEON_RB2D_DC_BUSY)) {
876			return 0;
877		}
878		DRM_UDELAY(1);
879	}
880
881#if RADEON_FIFO_DEBUG
882	DRM_ERROR("failed!\n");
883	radeon_status(dev_priv);
884#endif
885	return DRM_ERR(EBUSY);
886}
887
888static int radeon_do_wait_for_fifo(drm_radeon_private_t * dev_priv, int entries)
889{
890	int i;
891
892	dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
893
894	for (i = 0; i < dev_priv->usec_timeout; i++) {
895		int slots = (RADEON_READ(RADEON_RBBM_STATUS)
896			     & RADEON_RBBM_FIFOCNT_MASK);
897		if (slots >= entries)
898			return 0;
899		DRM_UDELAY(1);
900	}
901
902#if RADEON_FIFO_DEBUG
903	DRM_ERROR("failed!\n");
904	radeon_status(dev_priv);
905#endif
906	return DRM_ERR(EBUSY);
907}
908
909static int radeon_do_wait_for_idle(drm_radeon_private_t * dev_priv)
910{
911	int i, ret;
912
913	dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
914
915	ret = radeon_do_wait_for_fifo(dev_priv, 64);
916	if (ret)
917		return ret;
918
919	for (i = 0; i < dev_priv->usec_timeout; i++) {
920		if (!(RADEON_READ(RADEON_RBBM_STATUS)
921		      & RADEON_RBBM_ACTIVE)) {
922			radeon_do_pixcache_flush(dev_priv);
923			return 0;
924		}
925		DRM_UDELAY(1);
926	}
927
928#if RADEON_FIFO_DEBUG
929	DRM_ERROR("failed!\n");
930	radeon_status(dev_priv);
931#endif
932	return DRM_ERR(EBUSY);
933}
934
935/* ================================================================
936 * CP control, initialization
937 */
938
939/* Load the microcode for the CP */
940static void radeon_cp_load_microcode(drm_radeon_private_t * dev_priv)
941{
942	int i;
943	DRM_DEBUG("\n");
944
945	radeon_do_wait_for_idle(dev_priv);
946
947	RADEON_WRITE(RADEON_CP_ME_RAM_ADDR, 0);
948
949	if (dev_priv->microcode_version==UCODE_R200) {
950		DRM_INFO("Loading R200 Microcode\n");
951		for (i = 0; i < 256; i++) {
952			RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
953				     R200_cp_microcode[i][1]);
954			RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
955				     R200_cp_microcode[i][0]);
956		}
957	} else if (dev_priv->microcode_version==UCODE_R300) {
958		DRM_INFO("Loading R300 Microcode\n");
959		for ( i = 0 ; i < 256 ; i++ ) {
960			RADEON_WRITE( RADEON_CP_ME_RAM_DATAH,
961				      R300_cp_microcode[i][1] );
962			RADEON_WRITE( RADEON_CP_ME_RAM_DATAL,
963				      R300_cp_microcode[i][0] );
964		}
965	} else {
966		for (i = 0; i < 256; i++) {
967			RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
968				     radeon_cp_microcode[i][1]);
969			RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
970				     radeon_cp_microcode[i][0]);
971		}
972	}
973}
974
975/* Flush any pending commands to the CP.  This should only be used just
976 * prior to a wait for idle, as it informs the engine that the command
977 * stream is ending.
978 */
979static void radeon_do_cp_flush(drm_radeon_private_t * dev_priv)
980{
981	DRM_DEBUG("\n");
982#if 0
983	u32 tmp;
984
985	tmp = RADEON_READ(RADEON_CP_RB_WPTR) | (1 << 31);
986	RADEON_WRITE(RADEON_CP_RB_WPTR, tmp);
987#endif
988}
989
990/* Wait for the CP to go idle.
991 */
992int radeon_do_cp_idle(drm_radeon_private_t * dev_priv)
993{
994	RING_LOCALS;
995	DRM_DEBUG("\n");
996
997	BEGIN_RING(6);
998
999	RADEON_PURGE_CACHE();
1000	RADEON_PURGE_ZCACHE();
1001	RADEON_WAIT_UNTIL_IDLE();
1002
1003	ADVANCE_RING();
1004	COMMIT_RING();
1005
1006	return radeon_do_wait_for_idle(dev_priv);
1007}
1008
1009/* Start the Command Processor.
1010 */
1011static void radeon_do_cp_start(drm_radeon_private_t * dev_priv)
1012{
1013	RING_LOCALS;
1014	DRM_DEBUG("\n");
1015
1016	radeon_do_wait_for_idle(dev_priv);
1017
1018	RADEON_WRITE(RADEON_CP_CSQ_CNTL, dev_priv->cp_mode);
1019
1020	dev_priv->cp_running = 1;
1021
1022	BEGIN_RING(6);
1023
1024	RADEON_PURGE_CACHE();
1025	RADEON_PURGE_ZCACHE();
1026	RADEON_WAIT_UNTIL_IDLE();
1027
1028	ADVANCE_RING();
1029	COMMIT_RING();
1030}
1031
1032/* Reset the Command Processor.  This will not flush any pending
1033 * commands, so you must wait for the CP command stream to complete
1034 * before calling this routine.
1035 */
1036static void radeon_do_cp_reset(drm_radeon_private_t * dev_priv)
1037{
1038	u32 cur_read_ptr;
1039	DRM_DEBUG("\n");
1040
1041	cur_read_ptr = RADEON_READ(RADEON_CP_RB_RPTR);
1042	RADEON_WRITE(RADEON_CP_RB_WPTR, cur_read_ptr);
1043	SET_RING_HEAD(dev_priv, cur_read_ptr);
1044	dev_priv->ring.tail = cur_read_ptr;
1045}
1046
1047/* Stop the Command Processor.  This will not flush any pending
1048 * commands, so you must flush the command stream and wait for the CP
1049 * to go idle before calling this routine.
1050 */
1051static void radeon_do_cp_stop(drm_radeon_private_t * dev_priv)
1052{
1053	DRM_DEBUG("\n");
1054
1055	RADEON_WRITE(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIDIS_INDDIS);
1056
1057	dev_priv->cp_running = 0;
1058}
1059
1060/* Reset the engine.  This will stop the CP if it is running.
1061 */
1062static int radeon_do_engine_reset(drm_device_t * dev)
1063{
1064	drm_radeon_private_t *dev_priv = dev->dev_private;
1065	u32 clock_cntl_index, mclk_cntl, rbbm_soft_reset;
1066	DRM_DEBUG("\n");
1067
1068	radeon_do_pixcache_flush(dev_priv);
1069
1070	clock_cntl_index = RADEON_READ(RADEON_CLOCK_CNTL_INDEX);
1071	mclk_cntl = RADEON_READ_PLL(dev, RADEON_MCLK_CNTL);
1072
1073	RADEON_WRITE_PLL(RADEON_MCLK_CNTL, (mclk_cntl |
1074					    RADEON_FORCEON_MCLKA |
1075					    RADEON_FORCEON_MCLKB |
1076					    RADEON_FORCEON_YCLKA |
1077					    RADEON_FORCEON_YCLKB |
1078					    RADEON_FORCEON_MC |
1079					    RADEON_FORCEON_AIC));
1080
1081	rbbm_soft_reset = RADEON_READ(RADEON_RBBM_SOFT_RESET);
1082
1083	RADEON_WRITE(RADEON_RBBM_SOFT_RESET, (rbbm_soft_reset |
1084					      RADEON_SOFT_RESET_CP |
1085					      RADEON_SOFT_RESET_HI |
1086					      RADEON_SOFT_RESET_SE |
1087					      RADEON_SOFT_RESET_RE |
1088					      RADEON_SOFT_RESET_PP |
1089					      RADEON_SOFT_RESET_E2 |
1090					      RADEON_SOFT_RESET_RB));
1091	RADEON_READ(RADEON_RBBM_SOFT_RESET);
1092	RADEON_WRITE(RADEON_RBBM_SOFT_RESET, (rbbm_soft_reset &
1093					      ~(RADEON_SOFT_RESET_CP |
1094						RADEON_SOFT_RESET_HI |
1095						RADEON_SOFT_RESET_SE |
1096						RADEON_SOFT_RESET_RE |
1097						RADEON_SOFT_RESET_PP |
1098						RADEON_SOFT_RESET_E2 |
1099						RADEON_SOFT_RESET_RB)));
1100	RADEON_READ(RADEON_RBBM_SOFT_RESET);
1101
1102	RADEON_WRITE_PLL(RADEON_MCLK_CNTL, mclk_cntl);
1103	RADEON_WRITE(RADEON_CLOCK_CNTL_INDEX, clock_cntl_index);
1104	RADEON_WRITE(RADEON_RBBM_SOFT_RESET, rbbm_soft_reset);
1105
1106	/* Reset the CP ring */
1107	radeon_do_cp_reset(dev_priv);
1108
1109	/* The CP is no longer running after an engine reset */
1110	dev_priv->cp_running = 0;
1111
1112	/* Reset any pending vertex, indirect buffers */
1113	radeon_freelist_reset(dev);
1114
1115	return 0;
1116}
1117
1118static void radeon_cp_init_ring_buffer(drm_device_t * dev,
1119				       drm_radeon_private_t * dev_priv)
1120{
1121	u32 ring_start, cur_read_ptr;
1122	u32 tmp;
1123
1124	/* Initialize the memory controller */
1125	RADEON_WRITE(RADEON_MC_FB_LOCATION,
1126		     ((dev_priv->gart_vm_start - 1) & 0xffff0000)
1127		     | (dev_priv->fb_location >> 16));
1128
1129#if __OS_HAS_AGP
1130	if (dev_priv->flags & CHIP_IS_AGP) {
1131		RADEON_WRITE(RADEON_MC_AGP_LOCATION,
1132			     (((dev_priv->gart_vm_start - 1 +
1133				dev_priv->gart_size) & 0xffff0000) |
1134			      (dev_priv->gart_vm_start >> 16)));
1135
1136		ring_start = (dev_priv->cp_ring->offset
1137			      - dev->agp->base + dev_priv->gart_vm_start);
1138	} else
1139#endif
1140		ring_start = (dev_priv->cp_ring->offset
1141			      - dev->sg->handle + dev_priv->gart_vm_start);
1142
1143
1144	RADEON_WRITE(RADEON_CP_RB_BASE, ring_start);
1145
1146	/* Set the write pointer delay */
1147	RADEON_WRITE(RADEON_CP_RB_WPTR_DELAY, 0);
1148
1149	/* Initialize the ring buffer's read and write pointers */
1150	cur_read_ptr = RADEON_READ(RADEON_CP_RB_RPTR);
1151	RADEON_WRITE(RADEON_CP_RB_WPTR, cur_read_ptr);
1152	SET_RING_HEAD(dev_priv, cur_read_ptr);
1153	dev_priv->ring.tail = cur_read_ptr;
1154
1155#if __OS_HAS_AGP
1156	if (dev_priv->flags & CHIP_IS_AGP) {
1157		/* set RADEON_AGP_BASE here instead of relying on X from user space */
1158		RADEON_WRITE(RADEON_AGP_BASE, (unsigned int)dev->agp->base);
1159		RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR,
1160			     dev_priv->ring_rptr->offset
1161			     - dev->agp->base + dev_priv->gart_vm_start);
1162	} else
1163#endif
1164	{
1165		drm_sg_mem_t *entry = dev->sg;
1166		unsigned long tmp_ofs, page_ofs;
1167
1168		tmp_ofs = dev_priv->ring_rptr->offset - dev->sg->handle;
1169		page_ofs = tmp_ofs >> PAGE_SHIFT;
1170
1171		RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR, entry->busaddr[page_ofs]);
1172		DRM_DEBUG("ring rptr: offset=0x%08lx handle=0x%08lx\n",
1173			  (unsigned long)entry->busaddr[page_ofs],
1174			  entry->handle + tmp_ofs);
1175	}
1176
1177	/* Initialize the scratch register pointer.  This will cause
1178	 * the scratch register values to be written out to memory
1179	 * whenever they are updated.
1180	 *
1181	 * We simply put this behind the ring read pointer, this works
1182	 * with PCI GART as well as (whatever kind of) AGP GART
1183	 */
1184	RADEON_WRITE(RADEON_SCRATCH_ADDR, RADEON_READ(RADEON_CP_RB_RPTR_ADDR)
1185		     + RADEON_SCRATCH_REG_OFFSET);
1186
1187	dev_priv->scratch = ((__volatile__ u32 *)
1188			     dev_priv->ring_rptr->handle +
1189			     (RADEON_SCRATCH_REG_OFFSET / sizeof(u32)));
1190
1191	RADEON_WRITE(RADEON_SCRATCH_UMSK, 0x7);
1192
1193	/* Writeback doesn't seem to work everywhere, test it first */
1194	DRM_WRITE32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1), 0);
1195	RADEON_WRITE(RADEON_SCRATCH_REG1, 0xdeadbeef);
1196
1197	for (tmp = 0; tmp < dev_priv->usec_timeout; tmp++) {
1198		if (DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1)) ==
1199		    0xdeadbeef)
1200			break;
1201		DRM_UDELAY(1);
1202	}
1203
1204	if (tmp < dev_priv->usec_timeout) {
1205		dev_priv->writeback_works = 1;
1206		DRM_DEBUG("writeback test succeeded, tmp=%d\n", tmp);
1207	} else {
1208		dev_priv->writeback_works = 0;
1209		DRM_DEBUG("writeback test failed\n");
1210	}
1211
1212	dev_priv->sarea_priv->last_frame = dev_priv->scratch[0] = 0;
1213	RADEON_WRITE(RADEON_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame);
1214
1215	dev_priv->sarea_priv->last_dispatch = dev_priv->scratch[1] = 0;
1216	RADEON_WRITE(RADEON_LAST_DISPATCH_REG,
1217		     dev_priv->sarea_priv->last_dispatch);
1218
1219	dev_priv->sarea_priv->last_clear = dev_priv->scratch[2] = 0;
1220	RADEON_WRITE(RADEON_LAST_CLEAR_REG, dev_priv->sarea_priv->last_clear);
1221
1222	/* Set ring buffer size */
1223#ifdef __BIG_ENDIAN
1224	RADEON_WRITE(RADEON_CP_RB_CNTL,
1225		     dev_priv->ring.size_l2qw | RADEON_BUF_SWAP_32BIT);
1226#else
1227	RADEON_WRITE(RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw);
1228#endif
1229
1230	radeon_do_wait_for_idle(dev_priv);
1231
1232	/* Turn on bus mastering */
1233	tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
1234	RADEON_WRITE(RADEON_BUS_CNTL, tmp);
1235
1236	/* Sync everything up */
1237	RADEON_WRITE(RADEON_ISYNC_CNTL,
1238		     (RADEON_ISYNC_ANY2D_IDLE3D |
1239		      RADEON_ISYNC_ANY3D_IDLE2D |
1240		      RADEON_ISYNC_WAIT_IDLEGUI |
1241		      RADEON_ISYNC_CPSCRATCH_IDLEGUI));
1242}
1243
1244/* Enable or disable PCI-E GART on the chip */
1245static void radeon_set_pciegart(drm_radeon_private_t * dev_priv, int on)
1246{
1247	u32 tmp = RADEON_READ_PCIE(dev_priv, RADEON_PCIE_TX_GART_CNTL);
1248	if (on) {
1249
1250		DRM_DEBUG("programming pcie %08X %08lX %08X\n", dev_priv->gart_vm_start, dev_priv->bus_pci_gart,dev_priv->gart_size);
1251		RADEON_WRITE_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, dev_priv->gart_vm_start);
1252		RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_BASE, dev_priv->bus_pci_gart);
1253		RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_START_LO, dev_priv->gart_vm_start);
1254		RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_END_LO, dev_priv->gart_vm_start
1255			     + dev_priv->gart_size - 1);
1256
1257		RADEON_WRITE(RADEON_MC_AGP_LOCATION, 0xffffffc0);	/* ?? */
1258
1259		RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_CNTL, RADEON_PCIE_TX_GART_EN | RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD | RADEON_PCIE_TX_GART_CHK_RW_VALID_EN);
1260	} else {
1261		RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
1262	}
1263}
1264
1265/* Enable or disable PCI GART on the chip */
1266static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on)
1267{
1268	u32 tmp = RADEON_READ(RADEON_AIC_CNTL);
1269
1270	if (dev_priv->flags & CHIP_IS_PCIE)
1271	{
1272		radeon_set_pciegart(dev_priv, on);
1273		return;
1274	}
1275
1276	if (on) {
1277		RADEON_WRITE(RADEON_AIC_CNTL,
1278			     tmp | RADEON_PCIGART_TRANSLATE_EN);
1279
1280		/* set PCI GART page-table base address
1281		 */
1282		RADEON_WRITE(RADEON_AIC_PT_BASE, dev_priv->bus_pci_gart);
1283
1284		/* set address range for PCI address translate
1285		 */
1286		RADEON_WRITE(RADEON_AIC_LO_ADDR, dev_priv->gart_vm_start);
1287		RADEON_WRITE(RADEON_AIC_HI_ADDR, dev_priv->gart_vm_start
1288			     + dev_priv->gart_size - 1);
1289
1290		/* Turn off AGP aperture -- is this required for PCI GART?
1291		 */
1292		RADEON_WRITE(RADEON_MC_AGP_LOCATION, 0xffffffc0);	/* ?? */
1293		RADEON_WRITE(RADEON_AGP_COMMAND, 0);	/* clear AGP_COMMAND */
1294	} else {
1295		RADEON_WRITE(RADEON_AIC_CNTL,
1296			     tmp & ~RADEON_PCIGART_TRANSLATE_EN);
1297	}
1298}
1299
1300static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
1301{
1302	drm_radeon_private_t *dev_priv = dev->dev_private;
1303	DRM_DEBUG("\n");
1304
1305	if ((!(dev_priv->flags & CHIP_IS_AGP)) && !dev->sg) {
1306		DRM_ERROR("PCI GART memory not allocated!\n");
1307		radeon_do_cleanup_cp(dev);
1308		return DRM_ERR(EINVAL);
1309	}
1310
1311	dev_priv->usec_timeout = init->usec_timeout;
1312	if (dev_priv->usec_timeout < 1 ||
1313	    dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT) {
1314		DRM_DEBUG("TIMEOUT problem!\n");
1315		radeon_do_cleanup_cp(dev);
1316		return DRM_ERR(EINVAL);
1317	}
1318
1319	switch(init->func) {
1320	case RADEON_INIT_R200_CP:
1321		dev_priv->microcode_version=UCODE_R200;
1322		break;
1323	case RADEON_INIT_R300_CP:
1324		dev_priv->microcode_version=UCODE_R300;
1325		break;
1326	default:
1327		dev_priv->microcode_version=UCODE_R100;
1328		break;
1329	}
1330
1331	dev_priv->do_boxes = 0;
1332	dev_priv->cp_mode = init->cp_mode;
1333
1334	/* We don't support anything other than bus-mastering ring mode,
1335	 * but the ring can be in either AGP or PCI space for the ring
1336	 * read pointer.
1337	 */
1338	if ((init->cp_mode != RADEON_CSQ_PRIBM_INDDIS) &&
1339	    (init->cp_mode != RADEON_CSQ_PRIBM_INDBM)) {
1340		DRM_DEBUG("BAD cp_mode (%x)!\n", init->cp_mode);
1341		radeon_do_cleanup_cp(dev);
1342		return DRM_ERR(EINVAL);
1343	}
1344
1345	switch (init->fb_bpp) {
1346	case 16:
1347		dev_priv->color_fmt = RADEON_COLOR_FORMAT_RGB565;
1348		break;
1349	case 32:
1350	default:
1351		dev_priv->color_fmt = RADEON_COLOR_FORMAT_ARGB8888;
1352		break;
1353	}
1354	dev_priv->front_offset = init->front_offset;
1355	dev_priv->front_pitch = init->front_pitch;
1356	dev_priv->back_offset = init->back_offset;
1357	dev_priv->back_pitch = init->back_pitch;
1358
1359	switch (init->depth_bpp) {
1360	case 16:
1361		dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_16BIT_INT_Z;
1362		break;
1363	case 32:
1364	default:
1365		dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_24BIT_INT_Z;
1366		break;
1367	}
1368	dev_priv->depth_offset = init->depth_offset;
1369	dev_priv->depth_pitch = init->depth_pitch;
1370
1371	/* Hardware state for depth clears.  Remove this if/when we no
1372	 * longer clear the depth buffer with a 3D rectangle.  Hard-code
1373	 * all values to prevent unwanted 3D state from slipping through
1374	 * and screwing with the clear operation.
1375	 */
1376	dev_priv->depth_clear.rb3d_cntl = (RADEON_PLANE_MASK_ENABLE |
1377					   (dev_priv->color_fmt << 10) |
1378					   (dev_priv->microcode_version == UCODE_R100 ?
1379						RADEON_ZBLOCK16 : 0));
1380
1381	dev_priv->depth_clear.rb3d_zstencilcntl =
1382	    (dev_priv->depth_fmt |
1383	     RADEON_Z_TEST_ALWAYS |
1384	     RADEON_STENCIL_TEST_ALWAYS |
1385	     RADEON_STENCIL_S_FAIL_REPLACE |
1386	     RADEON_STENCIL_ZPASS_REPLACE |
1387	     RADEON_STENCIL_ZFAIL_REPLACE | RADEON_Z_WRITE_ENABLE);
1388
1389	dev_priv->depth_clear.se_cntl = (RADEON_FFACE_CULL_CW |
1390					 RADEON_BFACE_SOLID |
1391					 RADEON_FFACE_SOLID |
1392					 RADEON_FLAT_SHADE_VTX_LAST |
1393					 RADEON_DIFFUSE_SHADE_FLAT |
1394					 RADEON_ALPHA_SHADE_FLAT |
1395					 RADEON_SPECULAR_SHADE_FLAT |
1396					 RADEON_FOG_SHADE_FLAT |
1397					 RADEON_VTX_PIX_CENTER_OGL |
1398					 RADEON_ROUND_MODE_TRUNC |
1399					 RADEON_ROUND_PREC_8TH_PIX);
1400
1401	DRM_GETSAREA();
1402
1403	dev_priv->fb_offset = init->fb_offset;
1404	dev_priv->mmio_offset = init->mmio_offset;
1405	dev_priv->ring_offset = init->ring_offset;
1406	dev_priv->ring_rptr_offset = init->ring_rptr_offset;
1407	dev_priv->buffers_offset = init->buffers_offset;
1408	dev_priv->gart_textures_offset = init->gart_textures_offset;
1409
1410	if (!dev_priv->sarea) {
1411		DRM_ERROR("could not find sarea!\n");
1412		radeon_do_cleanup_cp(dev);
1413		return DRM_ERR(EINVAL);
1414	}
1415
1416	dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset);
1417	if (!dev_priv->mmio) {
1418		DRM_ERROR("could not find mmio region!\n");
1419		radeon_do_cleanup_cp(dev);
1420		return DRM_ERR(EINVAL);
1421	}
1422	dev_priv->cp_ring = drm_core_findmap(dev, init->ring_offset);
1423	if (!dev_priv->cp_ring) {
1424		DRM_ERROR("could not find cp ring region!\n");
1425		radeon_do_cleanup_cp(dev);
1426		return DRM_ERR(EINVAL);
1427	}
1428	dev_priv->ring_rptr = drm_core_findmap(dev, init->ring_rptr_offset);
1429	if (!dev_priv->ring_rptr) {
1430		DRM_ERROR("could not find ring read pointer!\n");
1431		radeon_do_cleanup_cp(dev);
1432		return DRM_ERR(EINVAL);
1433	}
1434	dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
1435	if (!dev->agp_buffer_map) {
1436		DRM_ERROR("could not find dma buffer region!\n");
1437		radeon_do_cleanup_cp(dev);
1438		return DRM_ERR(EINVAL);
1439	}
1440
1441	if (init->gart_textures_offset) {
1442		dev_priv->gart_textures =
1443		    drm_core_findmap(dev, init->gart_textures_offset);
1444		if (!dev_priv->gart_textures) {
1445			DRM_ERROR("could not find GART texture region!\n");
1446			radeon_do_cleanup_cp(dev);
1447			return DRM_ERR(EINVAL);
1448		}
1449	}
1450
1451	dev_priv->sarea_priv =
1452	    (drm_radeon_sarea_t *) ((u8 *) dev_priv->sarea->handle +
1453				    init->sarea_priv_offset);
1454
1455#if __OS_HAS_AGP
1456	if (dev_priv->flags & CHIP_IS_AGP) {
1457		drm_core_ioremap(dev_priv->cp_ring, dev);
1458		drm_core_ioremap(dev_priv->ring_rptr, dev);
1459		drm_core_ioremap(dev->agp_buffer_map, dev);
1460		if (!dev_priv->cp_ring->handle ||
1461		    !dev_priv->ring_rptr->handle ||
1462		    !dev->agp_buffer_map->handle) {
1463			DRM_ERROR("could not find ioremap agp regions!\n");
1464			radeon_do_cleanup_cp(dev);
1465			return DRM_ERR(EINVAL);
1466		}
1467	} else
1468#endif
1469	{
1470		dev_priv->cp_ring->handle = (void *)dev_priv->cp_ring->offset;
1471		dev_priv->ring_rptr->handle =
1472		    (void *)dev_priv->ring_rptr->offset;
1473		dev->agp_buffer_map->handle =
1474		    (void *)dev->agp_buffer_map->offset;
1475
1476		DRM_DEBUG("dev_priv->cp_ring->handle %p\n",
1477			  dev_priv->cp_ring->handle);
1478		DRM_DEBUG("dev_priv->ring_rptr->handle %p\n",
1479			  dev_priv->ring_rptr->handle);
1480		DRM_DEBUG("dev->agp_buffer_map->handle %p\n",
1481			  dev->agp_buffer_map->handle);
1482	}
1483
1484	dev_priv->fb_location = (RADEON_READ(RADEON_MC_FB_LOCATION)
1485				 & 0xffff) << 16;
1486
1487	dev_priv->front_pitch_offset = (((dev_priv->front_pitch / 64) << 22) |
1488					((dev_priv->front_offset
1489					  + dev_priv->fb_location) >> 10));
1490
1491	dev_priv->back_pitch_offset = (((dev_priv->back_pitch / 64) << 22) |
1492				       ((dev_priv->back_offset
1493					 + dev_priv->fb_location) >> 10));
1494
1495	dev_priv->depth_pitch_offset = (((dev_priv->depth_pitch / 64) << 22) |
1496					((dev_priv->depth_offset
1497					  + dev_priv->fb_location) >> 10));
1498
1499	dev_priv->gart_size = init->gart_size;
1500	dev_priv->gart_vm_start = dev_priv->fb_location
1501	    + RADEON_READ(RADEON_CONFIG_APER_SIZE);
1502
1503#if __OS_HAS_AGP
1504	if (dev_priv->flags & CHIP_IS_AGP)
1505		dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
1506						 - dev->agp->base
1507						 + dev_priv->gart_vm_start);
1508	else
1509#endif
1510		dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
1511						 - dev->sg->handle
1512						 + dev_priv->gart_vm_start);
1513
1514	DRM_DEBUG("dev_priv->gart_size %d\n", dev_priv->gart_size);
1515	DRM_DEBUG("dev_priv->gart_vm_start 0x%x\n", dev_priv->gart_vm_start);
1516	DRM_DEBUG("dev_priv->gart_buffers_offset 0x%lx\n",
1517		  dev_priv->gart_buffers_offset);
1518
1519	dev_priv->ring.start = (u32 *) dev_priv->cp_ring->handle;
1520	dev_priv->ring.end = ((u32 *) dev_priv->cp_ring->handle
1521			      + init->ring_size / sizeof(u32));
1522	dev_priv->ring.size = init->ring_size;
1523	dev_priv->ring.size_l2qw = drm_order(init->ring_size / 8);
1524
1525	dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1;
1526
1527	dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK;
1528
1529#if __OS_HAS_AGP
1530	if (dev_priv->flags & CHIP_IS_AGP) {
1531		/* Turn off PCI GART */
1532		radeon_set_pcigart(dev_priv, 0);
1533	} else
1534#endif
1535	{
1536		if (!drm_ati_pcigart_init(dev, &dev_priv->phys_pci_gart,
1537					  &dev_priv->bus_pci_gart, (dev_priv->flags & CHIP_IS_PCIE))) {
1538			DRM_ERROR("failed to init PCI GART!\n");
1539			radeon_do_cleanup_cp(dev);
1540			return DRM_ERR(ENOMEM);
1541		}
1542
1543		/* Turn on PCI GART */
1544		radeon_set_pcigart(dev_priv, 1);
1545	}
1546
1547	radeon_cp_load_microcode(dev_priv);
1548	radeon_cp_init_ring_buffer(dev, dev_priv);
1549
1550	dev_priv->last_buf = 0;
1551
1552	radeon_do_engine_reset(dev);
1553
1554	return 0;
1555}
1556
1557static int radeon_do_cleanup_cp(drm_device_t * dev)
1558{
1559	drm_radeon_private_t *dev_priv = dev->dev_private;
1560	DRM_DEBUG("\n");
1561
1562	/* Make sure interrupts are disabled here because the uninstall ioctl
1563	 * may not have been called from userspace and after dev_private
1564	 * is freed, it's too late.
1565	 */
1566	if (dev->irq_enabled)
1567		drm_irq_uninstall(dev);
1568
1569#if __OS_HAS_AGP
1570	if (dev_priv->flags & CHIP_IS_AGP) {
1571		if (dev_priv->cp_ring != NULL) {
1572			drm_core_ioremapfree(dev_priv->cp_ring, dev);
1573			dev_priv->cp_ring = NULL;
1574		}
1575		if (dev_priv->ring_rptr != NULL) {
1576			drm_core_ioremapfree(dev_priv->ring_rptr, dev);
1577			dev_priv->ring_rptr = NULL;
1578		}
1579		if (dev->agp_buffer_map != NULL) {
1580			drm_core_ioremapfree(dev->agp_buffer_map, dev);
1581			dev->agp_buffer_map = NULL;
1582		}
1583	} else
1584#endif
1585	{
1586		if (!drm_ati_pcigart_cleanup(dev,
1587					     dev_priv->phys_pci_gart,
1588					     dev_priv->bus_pci_gart))
1589			DRM_ERROR("failed to cleanup PCI GART!\n");
1590	}
1591	/* only clear to the start of flags */
1592	memset(dev_priv, 0, offsetof(drm_radeon_private_t, flags));
1593
1594	return 0;
1595}
1596
1597/* This code will reinit the Radeon CP hardware after a resume from disc.
1598 * AFAIK, it would be very difficult to pickle the state at suspend time, so
1599 * here we make sure that all Radeon hardware initialisation is re-done without
1600 * affecting running applications.
1601 *
1602 * Charl P. Botha <http://cpbotha.net>
1603 */
1604static int radeon_do_resume_cp(drm_device_t * dev)
1605{
1606	drm_radeon_private_t *dev_priv = dev->dev_private;
1607
1608	if (!dev_priv) {
1609		DRM_ERROR("Called with no initialization\n");
1610		return DRM_ERR(EINVAL);
1611	}
1612
1613	DRM_DEBUG("Starting radeon_do_resume_cp()\n");
1614
1615#if __OS_HAS_AGP
1616	if (dev_priv->flags & CHIP_IS_AGP) {
1617		/* Turn off PCI GART */
1618		radeon_set_pcigart(dev_priv, 0);
1619	} else
1620#endif
1621	{
1622		/* Turn on PCI GART */
1623		radeon_set_pcigart(dev_priv, 1);
1624	}
1625
1626	radeon_cp_load_microcode(dev_priv);
1627	radeon_cp_init_ring_buffer(dev, dev_priv);
1628
1629	radeon_do_engine_reset(dev);
1630
1631	DRM_DEBUG("radeon_do_resume_cp() complete\n");
1632
1633	return 0;
1634}
1635
1636int radeon_cp_init(DRM_IOCTL_ARGS)
1637{
1638	DRM_DEVICE;
1639	drm_radeon_init_t init;
1640
1641	LOCK_TEST_WITH_RETURN(dev, filp);
1642
1643	DRM_COPY_FROM_USER_IOCTL(init, (drm_radeon_init_t __user *) data,
1644				 sizeof(init));
1645
1646	if(init.func == RADEON_INIT_R300_CP)
1647		r300_init_reg_flags();
1648
1649	switch (init.func) {
1650	case RADEON_INIT_CP:
1651	case RADEON_INIT_R200_CP:
1652	case RADEON_INIT_R300_CP:
1653		return radeon_do_init_cp(dev, &init);
1654	case RADEON_CLEANUP_CP:
1655		return radeon_do_cleanup_cp(dev);
1656	}
1657
1658	return DRM_ERR(EINVAL);
1659}
1660
1661int radeon_cp_start(DRM_IOCTL_ARGS)
1662{
1663	DRM_DEVICE;
1664	drm_radeon_private_t *dev_priv = dev->dev_private;
1665	DRM_DEBUG("\n");
1666
1667	LOCK_TEST_WITH_RETURN(dev, filp);
1668
1669	if (dev_priv->cp_running) {
1670		DRM_DEBUG("%s while CP running\n", __FUNCTION__);
1671		return 0;
1672	}
1673	if (dev_priv->cp_mode == RADEON_CSQ_PRIDIS_INDDIS) {
1674		DRM_DEBUG("%s called with bogus CP mode (%d)\n",
1675			  __FUNCTION__, dev_priv->cp_mode);
1676		return 0;
1677	}
1678
1679	radeon_do_cp_start(dev_priv);
1680
1681	return 0;
1682}
1683
1684/* Stop the CP.  The engine must have been idled before calling this
1685 * routine.
1686 */
1687int radeon_cp_stop(DRM_IOCTL_ARGS)
1688{
1689	DRM_DEVICE;
1690	drm_radeon_private_t *dev_priv = dev->dev_private;
1691	drm_radeon_cp_stop_t stop;
1692	int ret;
1693	DRM_DEBUG("\n");
1694
1695	LOCK_TEST_WITH_RETURN(dev, filp);
1696
1697	DRM_COPY_FROM_USER_IOCTL(stop, (drm_radeon_cp_stop_t __user *) data,
1698				 sizeof(stop));
1699
1700	if (!dev_priv->cp_running)
1701		return 0;
1702
1703	/* Flush any pending CP commands.  This ensures any outstanding
1704	 * commands are exectuted by the engine before we turn it off.
1705	 */
1706	if (stop.flush) {
1707		radeon_do_cp_flush(dev_priv);
1708	}
1709
1710	/* If we fail to make the engine go idle, we return an error
1711	 * code so that the DRM ioctl wrapper can try again.
1712	 */
1713	if (stop.idle) {
1714		ret = radeon_do_cp_idle(dev_priv);
1715		if (ret)
1716			return ret;
1717	}
1718
1719	/* Finally, we can turn off the CP.  If the engine isn't idle,
1720	 * we will get some dropped triangles as they won't be fully
1721	 * rendered before the CP is shut down.
1722	 */
1723	radeon_do_cp_stop(dev_priv);
1724
1725	/* Reset the engine */
1726	radeon_do_engine_reset(dev);
1727
1728	return 0;
1729}
1730
1731void radeon_do_release(drm_device_t * dev)
1732{
1733	drm_radeon_private_t *dev_priv = dev->dev_private;
1734	int i, ret;
1735
1736	if (dev_priv) {
1737
1738		if (dev_priv->cp_running) {
1739			/* Stop the cp */
1740			while ((ret = radeon_do_cp_idle(dev_priv)) != 0) {
1741				DRM_DEBUG("radeon_do_cp_idle %d\n", ret);
1742#ifdef __linux__
1743				schedule();
1744#else
1745				tsleep(&ret, PZERO, "rdnrel", 1);
1746#endif
1747			}
1748			radeon_do_cp_stop(dev_priv);
1749			radeon_do_engine_reset(dev);
1750		}
1751
1752		/* Disable *all* interrupts */
1753		if (dev_priv->mmio)	/* remove this after permanent addmaps */
1754			RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
1755
1756		if (dev_priv->mmio) {/* remove all surfaces */
1757			for (i = 0; i < RADEON_MAX_SURFACES; i++) {
1758				RADEON_WRITE(RADEON_SURFACE0_INFO + 16*i, 0);
1759				RADEON_WRITE(RADEON_SURFACE0_LOWER_BOUND + 16*i, 0);
1760				RADEON_WRITE(RADEON_SURFACE0_UPPER_BOUND + 16*i, 0);
1761			}
1762		}
1763
1764		/* Free memory heap structures */
1765		radeon_mem_takedown(&(dev_priv->gart_heap));
1766		radeon_mem_takedown(&(dev_priv->fb_heap));
1767
1768		/* deallocate kernel resources */
1769		radeon_do_cleanup_cp(dev);
1770	}
1771}
1772
1773/* Just reset the CP ring.  Called as part of an X Server engine reset.
1774 */
1775int radeon_cp_reset(DRM_IOCTL_ARGS)
1776{
1777	DRM_DEVICE;
1778	drm_radeon_private_t *dev_priv = dev->dev_private;
1779	DRM_DEBUG("\n");
1780
1781	LOCK_TEST_WITH_RETURN(dev, filp);
1782
1783	if (!dev_priv) {
1784		DRM_DEBUG("%s called before init done\n", __FUNCTION__);
1785		return DRM_ERR(EINVAL);
1786	}
1787
1788	radeon_do_cp_reset(dev_priv);
1789
1790	/* The CP is no longer running after an engine reset */
1791	dev_priv->cp_running = 0;
1792
1793	return 0;
1794}
1795
1796int radeon_cp_idle(DRM_IOCTL_ARGS)
1797{
1798	DRM_DEVICE;
1799	drm_radeon_private_t *dev_priv = dev->dev_private;
1800	DRM_DEBUG("\n");
1801
1802	LOCK_TEST_WITH_RETURN(dev, filp);
1803
1804	return radeon_do_cp_idle(dev_priv);
1805}
1806
1807/* Added by Charl P. Botha to call radeon_do_resume_cp().
1808 */
1809int radeon_cp_resume(DRM_IOCTL_ARGS)
1810{
1811	DRM_DEVICE;
1812
1813	return radeon_do_resume_cp(dev);
1814}
1815
1816int radeon_engine_reset(DRM_IOCTL_ARGS)
1817{
1818	DRM_DEVICE;
1819	DRM_DEBUG("\n");
1820
1821	LOCK_TEST_WITH_RETURN(dev, filp);
1822
1823	return radeon_do_engine_reset(dev);
1824}
1825
1826/* ================================================================
1827 * Fullscreen mode
1828 */
1829
1830/* KW: Deprecated to say the least:
1831 */
1832int radeon_fullscreen(DRM_IOCTL_ARGS)
1833{
1834	return 0;
1835}
1836
1837/* ================================================================
1838 * Freelist management
1839 */
1840
1841/* Original comment: FIXME: ROTATE_BUFS is a hack to cycle through
1842 *   bufs until freelist code is used.  Note this hides a problem with
1843 *   the scratch register * (used to keep track of last buffer
1844 *   completed) being written to before * the last buffer has actually
1845 *   completed rendering.
1846 *
1847 * KW:  It's also a good way to find free buffers quickly.
1848 *
1849 * KW: Ideally this loop wouldn't exist, and freelist_get wouldn't
1850 * sleep.  However, bugs in older versions of radeon_accel.c mean that
1851 * we essentially have to do this, else old clients will break.
1852 *
1853 * However, it does leave open a potential deadlock where all the
1854 * buffers are held by other clients, which can't release them because
1855 * they can't get the lock.
1856 */
1857
1858drm_buf_t *radeon_freelist_get(drm_device_t * dev)
1859{
1860	drm_device_dma_t *dma = dev->dma;
1861	drm_radeon_private_t *dev_priv = dev->dev_private;
1862	drm_radeon_buf_priv_t *buf_priv;
1863	drm_buf_t *buf;
1864	int i, t;
1865	int start;
1866
1867	if (++dev_priv->last_buf >= dma->buf_count)
1868		dev_priv->last_buf = 0;
1869
1870	start = dev_priv->last_buf;
1871
1872	for (t = 0; t < dev_priv->usec_timeout; t++) {
1873		u32 done_age = GET_SCRATCH(1);
1874		DRM_DEBUG("done_age = %d\n", done_age);
1875		for (i = start; i < dma->buf_count; i++) {
1876			buf = dma->buflist[i];
1877			buf_priv = buf->dev_private;
1878			if (buf->filp == 0 || (buf->pending &&
1879					       buf_priv->age <= done_age)) {
1880				dev_priv->stats.requested_bufs++;
1881				buf->pending = 0;
1882				return buf;
1883			}
1884			start = 0;
1885		}
1886
1887		if (t) {
1888			DRM_UDELAY(1);
1889			dev_priv->stats.freelist_loops++;
1890		}
1891	}
1892
1893	DRM_DEBUG("returning NULL!\n");
1894	return NULL;
1895}
1896
1897#if 0
1898drm_buf_t *radeon_freelist_get(drm_device_t * dev)
1899{
1900	drm_device_dma_t *dma = dev->dma;
1901	drm_radeon_private_t *dev_priv = dev->dev_private;
1902	drm_radeon_buf_priv_t *buf_priv;
1903	drm_buf_t *buf;
1904	int i, t;
1905	int start;
1906	u32 done_age = DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1));
1907
1908	if (++dev_priv->last_buf >= dma->buf_count)
1909		dev_priv->last_buf = 0;
1910
1911	start = dev_priv->last_buf;
1912	dev_priv->stats.freelist_loops++;
1913
1914	for (t = 0; t < 2; t++) {
1915		for (i = start; i < dma->buf_count; i++) {
1916			buf = dma->buflist[i];
1917			buf_priv = buf->dev_private;
1918			if (buf->filp == 0 || (buf->pending &&
1919					       buf_priv->age <= done_age)) {
1920				dev_priv->stats.requested_bufs++;
1921				buf->pending = 0;
1922				return buf;
1923			}
1924		}
1925		start = 0;
1926	}
1927
1928	return NULL;
1929}
1930#endif
1931
1932void radeon_freelist_reset(drm_device_t * dev)
1933{
1934	drm_device_dma_t *dma = dev->dma;
1935	drm_radeon_private_t *dev_priv = dev->dev_private;
1936	int i;
1937
1938	dev_priv->last_buf = 0;
1939	for (i = 0; i < dma->buf_count; i++) {
1940		drm_buf_t *buf = dma->buflist[i];
1941		drm_radeon_buf_priv_t *buf_priv = buf->dev_private;
1942		buf_priv->age = 0;
1943	}
1944}
1945
1946/* ================================================================
1947 * CP command submission
1948 */
1949
1950int radeon_wait_ring(drm_radeon_private_t * dev_priv, int n)
1951{
1952	drm_radeon_ring_buffer_t *ring = &dev_priv->ring;
1953	int i;
1954	u32 last_head = GET_RING_HEAD(dev_priv);
1955
1956	for (i = 0; i < dev_priv->usec_timeout; i++) {
1957		u32 head = GET_RING_HEAD(dev_priv);
1958
1959		ring->space = (head - ring->tail) * sizeof(u32);
1960		if (ring->space <= 0)
1961			ring->space += ring->size;
1962		if (ring->space > n)
1963			return 0;
1964
1965		dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
1966
1967		if (head != last_head)
1968			i = 0;
1969		last_head = head;
1970
1971		DRM_UDELAY(1);
1972	}
1973
1974	/* FIXME: This return value is ignored in the BEGIN_RING macro! */
1975#if RADEON_FIFO_DEBUG
1976	radeon_status(dev_priv);
1977	DRM_ERROR("failed!\n");
1978#endif
1979	return DRM_ERR(EBUSY);
1980}
1981
1982static int radeon_cp_get_buffers(DRMFILE filp, drm_device_t * dev,
1983				 drm_dma_t * d)
1984{
1985	int i;
1986	drm_buf_t *buf;
1987
1988	for (i = d->granted_count; i < d->request_count; i++) {
1989		buf = radeon_freelist_get(dev);
1990		if (!buf)
1991			return DRM_ERR(EBUSY);	/* NOTE: broken client */
1992
1993		buf->filp = filp;
1994
1995		if (DRM_COPY_TO_USER(&d->request_indices[i], &buf->idx,
1996				     sizeof(buf->idx)))
1997			return DRM_ERR(EFAULT);
1998		if (DRM_COPY_TO_USER(&d->request_sizes[i], &buf->total,
1999				     sizeof(buf->total)))
2000			return DRM_ERR(EFAULT);
2001
2002		d->granted_count++;
2003	}
2004	return 0;
2005}
2006
2007int radeon_cp_buffers(DRM_IOCTL_ARGS)
2008{
2009	DRM_DEVICE;
2010	drm_device_dma_t *dma = dev->dma;
2011	int ret = 0;
2012	drm_dma_t __user *argp = (void __user *)data;
2013	drm_dma_t d;
2014
2015	LOCK_TEST_WITH_RETURN(dev, filp);
2016
2017	DRM_COPY_FROM_USER_IOCTL(d, argp, sizeof(d));
2018
2019	/* Please don't send us buffers.
2020	 */
2021	if (d.send_count != 0) {
2022		DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n",
2023			  DRM_CURRENTPID, d.send_count);
2024		return DRM_ERR(EINVAL);
2025	}
2026
2027	/* We'll send you buffers.
2028	 */
2029	if (d.request_count < 0 || d.request_count > dma->buf_count) {
2030		DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n",
2031			  DRM_CURRENTPID, d.request_count, dma->buf_count);
2032		return DRM_ERR(EINVAL);
2033	}
2034
2035	d.granted_count = 0;
2036
2037	if (d.request_count) {
2038		ret = radeon_cp_get_buffers(filp, dev, &d);
2039	}
2040
2041	DRM_COPY_TO_USER_IOCTL(argp, d, sizeof(d));
2042
2043	return ret;
2044}
2045
2046/* Always create a map record for MMIO and FB memory, done from DRIVER_POSTINIT */
2047int radeon_preinit(struct drm_device *dev, unsigned long flags)
2048{
2049	drm_radeon_private_t *dev_priv;
2050	int ret = 0;
2051
2052	dev_priv = drm_alloc(sizeof(drm_radeon_private_t), DRM_MEM_DRIVER);
2053	if (dev_priv == NULL)
2054		return DRM_ERR(ENOMEM);
2055
2056	memset(dev_priv, 0, sizeof(drm_radeon_private_t));
2057	dev->dev_private = (void *)dev_priv;
2058	dev_priv->flags = flags;
2059
2060	switch (flags & CHIP_FAMILY_MASK) {
2061	case CHIP_R100:
2062	case CHIP_RV200:
2063	case CHIP_R200:
2064	case CHIP_R300:
2065	case CHIP_R420:
2066		dev_priv->flags |= CHIP_HAS_HIERZ;
2067		break;
2068	default:
2069	/* all other chips have no hierarchical z buffer */
2070		break;
2071	}
2072
2073	/* Disable initmaps because it is broken on FreeBSD, and results in
2074	 * crashes on startup for some.  The proper fix will involve being
2075	 * smarter about allocating PCI resources.
2076	 */
2077	/*
2078	ret = drm_initmap(dev, drm_get_resource_start(dev, 2),
2079			  drm_get_resource_len(dev, 2), 2, _DRM_REGISTERS,
2080			  _DRM_READ_ONLY);
2081	if (ret != 0)
2082		return ret;
2083
2084	ret = drm_initmap(dev, drm_get_resource_start(dev, 0),
2085			  drm_get_resource_len(dev, 0), 0, _DRM_FRAME_BUFFER,
2086			  _DRM_WRITE_COMBINING);
2087	if (ret != 0)
2088		return ret;
2089	*/
2090
2091	/* The original method of detecting AGP is known to not work correctly,
2092	 * according to Mike Harris.  The solution is to walk the capabilities
2093	 * list, which should be done in drm_device_is_agp().
2094	 */
2095	if (drm_device_is_agp(dev))
2096		dev_priv->flags |= CHIP_IS_AGP;
2097
2098	if (drm_device_is_pcie(dev))
2099		dev_priv->flags |= CHIP_IS_PCIE;
2100
2101	DRM_DEBUG("%s card detected\n",
2102		  ((dev_priv->flags & CHIP_IS_AGP) ? "AGP" : (((dev_priv->flags & CHIP_IS_PCIE) ? "PCIE" : "PCI"))));
2103
2104#if defined(__linux__)
2105	/* Check if we need a reset */
2106	if (!
2107	    (dev_priv->mmio =
2108	     drm_core_findmap(dev, pci_resource_start(dev->pdev, 2))))
2109		return DRM_ERR(ENOMEM);
2110
2111	ret = radeon_create_i2c_busses(dev);
2112#endif
2113	return ret;
2114}
2115
2116int radeon_postcleanup(struct drm_device *dev)
2117{
2118	drm_radeon_private_t *dev_priv = dev->dev_private;
2119
2120	DRM_DEBUG("\n");
2121#if defined(__linux__)
2122	radeon_delete_i2c_busses(dev);
2123#endif
2124	drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER);
2125
2126	dev->dev_private = NULL;
2127	return 0;
2128}
2129