1/*
2 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
3 * Use is subject to license terms.
4 */
5
6/* radeon_cp.c -- CP support for Radeon -*- linux-c -*- */
7/*
8 * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
9 * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
10 * All Rights Reserved.
11 *
12 * Permission is hereby granted, free of charge, to any person obtaining a
13 * copy of this software and associated documentation files (the "Software"),
14 * to deal in the Software without restriction, including without limitation
15 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 * and/or sell copies of the Software, and to permit persons to whom the
17 * Software is furnished to do so, subject to the following conditions:
18 *
19 * The above copyright notice and this permission notice (including the next
20 * paragraph) shall be included in all copies or substantial portions of the
21 * Software.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
26 * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
27 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
28 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
29 * DEALINGS IN THE SOFTWARE.
30 *
31 * Authors:
32 *    Kevin E. Martin <martin@valinux.com>
33 *    Gareth Hughes <gareth@valinux.com>
34 */
35
36#pragma ident	"%Z%%M%	%I%	%E% SMI"
37
38#include "drmP.h"
39#include "drm.h"
40#include "radeon_drm.h"
41#include "radeon_drv.h"
42#include "r300_reg.h"
43#include "radeon_io32.h"
44
45static int radeon_do_cleanup_cp(drm_device_t *dev);
46
47/* CP microcode (from ATI) */
48static const u32 R200_cp_microcode[][2] = {
49	{0x21007000, 0000000000},
50	{0x20007000, 0000000000},
51	{0x000000ab, 0x00000004},
52	{0x000000af, 0x00000004},
53	{0x66544a49, 0000000000},
54	{0x49494174, 0000000000},
55	{0x54517d83, 0000000000},
56	{0x498d8b64, 0000000000},
57	{0x49494949, 0000000000},
58	{0x49da493c, 0000000000},
59	{0x49989898, 0000000000},
60	{0xd34949d5, 0000000000},
61	{0x9dc90e11, 0000000000},
62	{0xce9b9b9b, 0000000000},
63	{0x000f0000, 0x00000016},
64	{0x352e232c, 0000000000},
65	{0x00000013, 0x00000004},
66	{0x000f0000, 0x00000016},
67	{0x352e272c, 0000000000},
68	{0x000f0001, 0x00000016},
69	{0x3239362f, 0000000000},
70	{0x000077ef, 0x00000002},
71	{0x00061000, 0x00000002},
72	{0x00000020, 0x0000001a},
73	{0x00004000, 0x0000001e},
74	{0x00061000, 0x00000002},
75	{0x00000020, 0x0000001a},
76	{0x00004000, 0x0000001e},
77	{0x00061000, 0x00000002},
78	{0x00000020, 0x0000001a},
79	{0x00004000, 0x0000001e},
80	{0x00000016, 0x00000004},
81	{0x0003802a, 0x00000002},
82	{0x040067e0, 0x00000002},
83	{0x00000016, 0x00000004},
84	{0x000077e0, 0x00000002},
85	{0x00065000, 0x00000002},
86	{0x000037e1, 0x00000002},
87	{0x040067e1, 0x00000006},
88	{0x000077e0, 0x00000002},
89	{0x000077e1, 0x00000002},
90	{0x000077e1, 0x00000006},
91	{0xffffffff, 0000000000},
92	{0x10000000, 0000000000},
93	{0x0003802a, 0x00000002},
94	{0x040067e0, 0x00000006},
95	{0x00007675, 0x00000002},
96	{0x00007676, 0x00000002},
97	{0x00007677, 0x00000002},
98	{0x00007678, 0x00000006},
99	{0x0003802b, 0x00000002},
100	{0x04002676, 0x00000002},
101	{0x00007677, 0x00000002},
102	{0x00007678, 0x00000006},
103	{0x0000002e, 0x00000018},
104	{0x0000002e, 0x00000018},
105	{0000000000, 0x00000006},
106	{0x0000002f, 0x00000018},
107	{0x0000002f, 0x00000018},
108	{0000000000, 0x00000006},
109	{0x01605000, 0x00000002},
110	{0x00065000, 0x00000002},
111	{0x00098000, 0x00000002},
112	{0x00061000, 0x00000002},
113	{0x64c0603d, 0x00000004},
114	{0x00080000, 0x00000016},
115	{0000000000, 0000000000},
116	{0x0400251d, 0x00000002},
117	{0x00007580, 0x00000002},
118	{0x00067581, 0x00000002},
119	{0x04002580, 0x00000002},
120	{0x00067581, 0x00000002},
121	{0x00000046, 0x00000004},
122	{0x00005000, 0000000000},
123	{0x00061000, 0x00000002},
124	{0x0000750e, 0x00000002},
125	{0x00019000, 0x00000002},
126	{0x00011055, 0x00000014},
127	{0x00000055, 0x00000012},
128	{0x0400250f, 0x00000002},
129	{0x0000504a, 0x00000004},
130	{0x00007565, 0x00000002},
131	{0x00007566, 0x00000002},
132	{0x00000051, 0x00000004},
133	{0x01e655b4, 0x00000002},
134	{0x4401b0dc, 0x00000002},
135	{0x01c110dc, 0x00000002},
136	{0x2666705d, 0x00000018},
137	{0x040c2565, 0x00000002},
138	{0x0000005d, 0x00000018},
139	{0x04002564, 0x00000002},
140	{0x00007566, 0x00000002},
141	{0x00000054, 0x00000004},
142	{0x00401060, 0x00000008},
143	{0x00101000, 0x00000002},
144	{0x000d80ff, 0x00000002},
145	{0x00800063, 0x00000008},
146	{0x000f9000, 0x00000002},
147	{0x000e00ff, 0x00000002},
148	{0000000000, 0x00000006},
149	{0x00000080, 0x00000018},
150	{0x00000054, 0x00000004},
151	{0x00007576, 0x00000002},
152	{0x00065000, 0x00000002},
153	{0x00009000, 0x00000002},
154	{0x00041000, 0x00000002},
155	{0x0c00350e, 0x00000002},
156	{0x00049000, 0x00000002},
157	{0x00051000, 0x00000002},
158	{0x01e785f8, 0x00000002},
159	{0x00200000, 0x00000002},
160	{0x00600073, 0x0000000c},
161	{0x00007563, 0x00000002},
162	{0x006075f0, 0x00000021},
163	{0x20007068, 0x00000004},
164	{0x00005068, 0x00000004},
165	{0x00007576, 0x00000002},
166	{0x00007577, 0x00000002},
167	{0x0000750e, 0x00000002},
168	{0x0000750f, 0x00000002},
169	{0x00a05000, 0x00000002},
170	{0x00600076, 0x0000000c},
171	{0x006075f0, 0x00000021},
172	{0x000075f8, 0x00000002},
173	{0x00000076, 0x00000004},
174	{0x000a750e, 0x00000002},
175	{0x0020750f, 0x00000002},
176	{0x00600079, 0x00000004},
177	{0x00007570, 0x00000002},
178	{0x00007571, 0x00000002},
179	{0x00007572, 0x00000006},
180	{0x00005000, 0x00000002},
181	{0x00a05000, 0x00000002},
182	{0x00007568, 0x00000002},
183	{0x00061000, 0x00000002},
184	{0x00000084, 0x0000000c},
185	{0x00058000, 0x00000002},
186	{0x0c607562, 0x00000002},
187	{0x00000086, 0x00000004},
188	{0x00600085, 0x00000004},
189	{0x400070dd, 0000000000},
190	{0x000380dd, 0x00000002},
191	{0x00000093, 0x0000001c},
192	{0x00065095, 0x00000018},
193	{0x040025bb, 0x00000002},
194	{0x00061096, 0x00000018},
195	{0x040075bc, 0000000000},
196	{0x000075bb, 0x00000002},
197	{0x000075bc, 0000000000},
198	{0x00090000, 0x00000006},
199	{0x00090000, 0x00000002},
200	{0x000d8002, 0x00000006},
201	{0x00005000, 0x00000002},
202	{0x00007821, 0x00000002},
203	{0x00007800, 0000000000},
204	{0x00007821, 0x00000002},
205	{0x00007800, 0000000000},
206	{0x01665000, 0x00000002},
207	{0x000a0000, 0x00000002},
208	{0x000671cc, 0x00000002},
209	{0x0286f1cd, 0x00000002},
210	{0x000000a3, 0x00000010},
211	{0x21007000, 0000000000},
212	{0x000000aa, 0x0000001c},
213	{0x00065000, 0x00000002},
214	{0x000a0000, 0x00000002},
215	{0x00061000, 0x00000002},
216	{0x000b0000, 0x00000002},
217	{0x38067000, 0x00000002},
218	{0x000a00a6, 0x00000004},
219	{0x20007000, 0000000000},
220	{0x01200000, 0x00000002},
221	{0x20077000, 0x00000002},
222	{0x01200000, 0x00000002},
223	{0x20007000, 0000000000},
224	{0x00061000, 0x00000002},
225	{0x0120751b, 0x00000002},
226	{0x8040750a, 0x00000002},
227	{0x8040750b, 0x00000002},
228	{0x00110000, 0x00000002},
229	{0x000380dd, 0x00000002},
230	{0x000000bd, 0x0000001c},
231	{0x00061096, 0x00000018},
232	{0x844075bd, 0x00000002},
233	{0x00061095, 0x00000018},
234	{0x840075bb, 0x00000002},
235	{0x00061096, 0x00000018},
236	{0x844075bc, 0x00000002},
237	{0x000000c0, 0x00000004},
238	{0x804075bd, 0x00000002},
239	{0x800075bb, 0x00000002},
240	{0x804075bc, 0x00000002},
241	{0x00108000, 0x00000002},
242	{0x01400000, 0x00000002},
243	{0x006000c4, 0x0000000c},
244	{0x20c07000, 0x00000020},
245	{0x000000c6, 0x00000012},
246	{0x00800000, 0x00000006},
247	{0x0080751d, 0x00000006},
248	{0x000025bb, 0x00000002},
249	{0x000040c0, 0x00000004},
250	{0x0000775c, 0x00000002},
251	{0x00a05000, 0x00000002},
252	{0x00661000, 0x00000002},
253	{0x0460275d, 0x00000020},
254	{0x00004000, 0000000000},
255	{0x00007999, 0x00000002},
256	{0x00a05000, 0x00000002},
257	{0x00661000, 0x00000002},
258	{0x0460299b, 0x00000020},
259	{0x00004000, 0000000000},
260	{0x01e00830, 0x00000002},
261	{0x21007000, 0000000000},
262	{0x00005000, 0x00000002},
263	{0x00038042, 0x00000002},
264	{0x040025e0, 0x00000002},
265	{0x000075e1, 0000000000},
266	{0x00000001, 0000000000},
267	{0x000380d9, 0x00000002},
268	{0x04007394, 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	{0000000000, 0000000000},
302	{0000000000, 0000000000},
303	{0000000000, 0000000000},
304	{0000000000, 0000000000},
305};
306
307static const u32 radeon_cp_microcode[][2] = {
308	{0x21007000, 0000000000},
309	{0x20007000, 0000000000},
310	{0x000000b4, 0x00000004},
311	{0x000000b8, 0x00000004},
312	{0x6f5b4d4c, 0000000000},
313	{0x4c4c427f, 0000000000},
314	{0x5b568a92, 0000000000},
315	{0x4ca09c6d, 0000000000},
316	{0xad4c4c4c, 0000000000},
317	{0x4ce1af3d, 0000000000},
318	{0xd8afafaf, 0000000000},
319	{0xd64c4cdc, 0000000000},
320	{0x4cd10d10, 0000000000},
321	{0x000f0000, 0x00000016},
322	{0x362f242d, 0000000000},
323	{0x00000012, 0x00000004},
324	{0x000f0000, 0x00000016},
325	{0x362f282d, 0000000000},
326	{0x000380e7, 0x00000002},
327	{0x04002c97, 0x00000002},
328	{0x000f0001, 0x00000016},
329	{0x333a3730, 0000000000},
330	{0x000077ef, 0x00000002},
331	{0x00061000, 0x00000002},
332	{0x00000021, 0x0000001a},
333	{0x00004000, 0x0000001e},
334	{0x00061000, 0x00000002},
335	{0x00000021, 0x0000001a},
336	{0x00004000, 0x0000001e},
337	{0x00061000, 0x00000002},
338	{0x00000021, 0x0000001a},
339	{0x00004000, 0x0000001e},
340	{0x00000017, 0x00000004},
341	{0x0003802b, 0x00000002},
342	{0x040067e0, 0x00000002},
343	{0x00000017, 0x00000004},
344	{0x000077e0, 0x00000002},
345	{0x00065000, 0x00000002},
346	{0x000037e1, 0x00000002},
347	{0x040067e1, 0x00000006},
348	{0x000077e0, 0x00000002},
349	{0x000077e1, 0x00000002},
350	{0x000077e1, 0x00000006},
351	{0xffffffff, 0000000000},
352	{0x10000000, 0000000000},
353	{0x0003802b, 0x00000002},
354	{0x040067e0, 0x00000006},
355	{0x00007675, 0x00000002},
356	{0x00007676, 0x00000002},
357	{0x00007677, 0x00000002},
358	{0x00007678, 0x00000006},
359	{0x0003802c, 0x00000002},
360	{0x04002676, 0x00000002},
361	{0x00007677, 0x00000002},
362	{0x00007678, 0x00000006},
363	{0x0000002f, 0x00000018},
364	{0x0000002f, 0x00000018},
365	{0000000000, 0x00000006},
366	{0x00000030, 0x00000018},
367	{0x00000030, 0x00000018},
368	{0000000000, 0x00000006},
369	{0x01605000, 0x00000002},
370	{0x00065000, 0x00000002},
371	{0x00098000, 0x00000002},
372	{0x00061000, 0x00000002},
373	{0x64c0603e, 0x00000004},
374	{0x000380e6, 0x00000002},
375	{0x040025c5, 0x00000002},
376	{0x00080000, 0x00000016},
377	{0000000000, 0000000000},
378	{0x0400251d, 0x00000002},
379	{0x00007580, 0x00000002},
380	{0x00067581, 0x00000002},
381	{0x04002580, 0x00000002},
382	{0x00067581, 0x00000002},
383	{0x00000049, 0x00000004},
384	{0x00005000, 0000000000},
385	{0x000380e6, 0x00000002},
386	{0x040025c5, 0x00000002},
387	{0x00061000, 0x00000002},
388	{0x0000750e, 0x00000002},
389	{0x00019000, 0x00000002},
390	{0x00011055, 0x00000014},
391	{0x00000055, 0x00000012},
392	{0x0400250f, 0x00000002},
393	{0x0000504f, 0x00000004},
394	{0x000380e6, 0x00000002},
395	{0x040025c5, 0x00000002},
396	{0x00007565, 0x00000002},
397	{0x00007566, 0x00000002},
398	{0x00000058, 0x00000004},
399	{0x000380e6, 0x00000002},
400	{0x040025c5, 0x00000002},
401	{0x01e655b4, 0x00000002},
402	{0x4401b0e4, 0x00000002},
403	{0x01c110e4, 0x00000002},
404	{0x26667066, 0x00000018},
405	{0x040c2565, 0x00000002},
406	{0x00000066, 0x00000018},
407	{0x04002564, 0x00000002},
408	{0x00007566, 0x00000002},
409	{0x0000005d, 0x00000004},
410	{0x00401069, 0x00000008},
411	{0x00101000, 0x00000002},
412	{0x000d80ff, 0x00000002},
413	{0x0080006c, 0x00000008},
414	{0x000f9000, 0x00000002},
415	{0x000e00ff, 0x00000002},
416	{0000000000, 0x00000006},
417	{0x0000008f, 0x00000018},
418	{0x0000005b, 0x00000004},
419	{0x000380e6, 0x00000002},
420	{0x040025c5, 0x00000002},
421	{0x00007576, 0x00000002},
422	{0x00065000, 0x00000002},
423	{0x00009000, 0x00000002},
424	{0x00041000, 0x00000002},
425	{0x0c00350e, 0x00000002},
426	{0x00049000, 0x00000002},
427	{0x00051000, 0x00000002},
428	{0x01e785f8, 0x00000002},
429	{0x00200000, 0x00000002},
430	{0x0060007e, 0x0000000c},
431	{0x00007563, 0x00000002},
432	{0x006075f0, 0x00000021},
433	{0x20007073, 0x00000004},
434	{0x00005073, 0x00000004},
435	{0x000380e6, 0x00000002},
436	{0x040025c5, 0x00000002},
437	{0x00007576, 0x00000002},
438	{0x00007577, 0x00000002},
439	{0x0000750e, 0x00000002},
440	{0x0000750f, 0x00000002},
441	{0x00a05000, 0x00000002},
442	{0x00600083, 0x0000000c},
443	{0x006075f0, 0x00000021},
444	{0x000075f8, 0x00000002},
445	{0x00000083, 0x00000004},
446	{0x000a750e, 0x00000002},
447	{0x000380e6, 0x00000002},
448	{0x040025c5, 0x00000002},
449	{0x0020750f, 0x00000002},
450	{0x00600086, 0x00000004},
451	{0x00007570, 0x00000002},
452	{0x00007571, 0x00000002},
453	{0x00007572, 0x00000006},
454	{0x000380e6, 0x00000002},
455	{0x040025c5, 0x00000002},
456	{0x00005000, 0x00000002},
457	{0x00a05000, 0x00000002},
458	{0x00007568, 0x00000002},
459	{0x00061000, 0x00000002},
460	{0x00000095, 0x0000000c},
461	{0x00058000, 0x00000002},
462	{0x0c607562, 0x00000002},
463	{0x00000097, 0x00000004},
464	{0x000380e6, 0x00000002},
465	{0x040025c5, 0x00000002},
466	{0x00600096, 0x00000004},
467	{0x400070e5, 0000000000},
468	{0x000380e6, 0x00000002},
469	{0x040025c5, 0x00000002},
470	{0x000380e5, 0x00000002},
471	{0x000000a8, 0x0000001c},
472	{0x000650aa, 0x00000018},
473	{0x040025bb, 0x00000002},
474	{0x000610ab, 0x00000018},
475	{0x040075bc, 0000000000},
476	{0x000075bb, 0x00000002},
477	{0x000075bc, 0000000000},
478	{0x00090000, 0x00000006},
479	{0x00090000, 0x00000002},
480	{0x000d8002, 0x00000006},
481	{0x00007832, 0x00000002},
482	{0x00005000, 0x00000002},
483	{0x000380e7, 0x00000002},
484	{0x04002c97, 0x00000002},
485	{0x00007820, 0x00000002},
486	{0x00007821, 0x00000002},
487	{0x00007800, 0000000000},
488	{0x01200000, 0x00000002},
489	{0x20077000, 0x00000002},
490	{0x01200000, 0x00000002},
491	{0x20007000, 0x00000002},
492	{0x00061000, 0x00000002},
493	{0x0120751b, 0x00000002},
494	{0x8040750a, 0x00000002},
495	{0x8040750b, 0x00000002},
496	{0x00110000, 0x00000002},
497	{0x000380e5, 0x00000002},
498	{0x000000c6, 0x0000001c},
499	{0x000610ab, 0x00000018},
500	{0x844075bd, 0x00000002},
501	{0x000610aa, 0x00000018},
502	{0x840075bb, 0x00000002},
503	{0x000610ab, 0x00000018},
504	{0x844075bc, 0x00000002},
505	{0x000000c9, 0x00000004},
506	{0x804075bd, 0x00000002},
507	{0x800075bb, 0x00000002},
508	{0x804075bc, 0x00000002},
509	{0x00108000, 0x00000002},
510	{0x01400000, 0x00000002},
511	{0x006000cd, 0x0000000c},
512	{0x20c07000, 0x00000020},
513	{0x000000cf, 0x00000012},
514	{0x00800000, 0x00000006},
515	{0x0080751d, 0x00000006},
516	{0000000000, 0000000000},
517	{0x0000775c, 0x00000002},
518	{0x00a05000, 0x00000002},
519	{0x00661000, 0x00000002},
520	{0x0460275d, 0x00000020},
521	{0x00004000, 0000000000},
522	{0x01e00830, 0x00000002},
523	{0x21007000, 0000000000},
524	{0x6464614d, 0000000000},
525	{0x69687420, 0000000000},
526	{0x00000073, 0000000000},
527	{0000000000, 0000000000},
528	{0x00005000, 0x00000002},
529	{0x000380d0, 0x00000002},
530	{0x040025e0, 0x00000002},
531	{0x000075e1, 0000000000},
532	{0x00000001, 0000000000},
533	{0x000380e0, 0x00000002},
534	{0x04002394, 0x00000002},
535	{0x00005000, 0000000000},
536	{0000000000, 0000000000},
537	{0000000000, 0000000000},
538	{0x00000008, 0000000000},
539	{0x00000004, 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	{0000000000, 0000000000},
561	{0000000000, 0000000000},
562	{0000000000, 0000000000},
563	{0000000000, 0000000000},
564};
565
566static const u32 R300_cp_microcode[][2] = {
567	{ 0x4200e000, 0000000000 },
568	{ 0x4000e000, 0000000000 },
569	{ 0x000000af, 0x00000008 },
570	{ 0x000000b3, 0x00000008 },
571	{ 0x6c5a504f, 0000000000 },
572	{ 0x4f4f497a, 0000000000 },
573	{ 0x5a578288, 0000000000 },
574	{ 0x4f91906a, 0000000000 },
575	{ 0x4f4f4f4f, 0000000000 },
576	{ 0x4fe24f44, 0000000000 },
577	{ 0x4f9c9c9c, 0000000000 },
578	{ 0xdc4f4fde, 0000000000 },
579	{ 0xa1cd4f4f, 0000000000 },
580	{ 0xd29d9d9d, 0000000000 },
581	{ 0x4f0f9fd7, 0000000000 },
582	{ 0x000ca000, 0x00000004 },
583	{ 0x000d0012, 0x00000038 },
584	{ 0x0000e8b4, 0x00000004 },
585	{ 0x000d0014, 0x00000038 },
586	{ 0x0000e8b6, 0x00000004 },
587	{ 0x000d0016, 0x00000038 },
588	{ 0x0000e854, 0x00000004 },
589	{ 0x000d0018, 0x00000038 },
590	{ 0x0000e855, 0x00000004 },
591	{ 0x000d001a, 0x00000038 },
592	{ 0x0000e856, 0x00000004 },
593	{ 0x000d001c, 0x00000038 },
594	{ 0x0000e857, 0x00000004 },
595	{ 0x000d001e, 0x00000038 },
596	{ 0x0000e824, 0x00000004 },
597	{ 0x000d0020, 0x00000038 },
598	{ 0x0000e825, 0x00000004 },
599	{ 0x000d0022, 0x00000038 },
600	{ 0x0000e830, 0x00000004 },
601	{ 0x000d0024, 0x00000038 },
602	{ 0x0000f0c0, 0x00000004 },
603	{ 0x000d0026, 0x00000038 },
604	{ 0x0000f0c1, 0x00000004 },
605	{ 0x000d0028, 0x00000038 },
606	{ 0x0000f041, 0x00000004 },
607	{ 0x000d002a, 0x00000038 },
608	{ 0x0000f184, 0x00000004 },
609	{ 0x000d002c, 0x00000038 },
610	{ 0x0000f185, 0x00000004 },
611	{ 0x000d002e, 0x00000038 },
612	{ 0x0000f186, 0x00000004 },
613	{ 0x000d0030, 0x00000038 },
614	{ 0x0000f187, 0x00000004 },
615	{ 0x000d0032, 0x00000038 },
616	{ 0x0000f180, 0x00000004 },
617	{ 0x000d0034, 0x00000038 },
618	{ 0x0000f393, 0x00000004 },
619	{ 0x000d0036, 0x00000038 },
620	{ 0x0000f38a, 0x00000004 },
621	{ 0x000d0038, 0x00000038 },
622	{ 0x0000f38e, 0x00000004 },
623	{ 0x0000e821, 0x00000004 },
624	{ 0x0140a000, 0x00000004 },
625	{ 0x00000043, 0x00000018 },
626	{ 0x00cce800, 0x00000004 },
627	{ 0x001b0001, 0x00000004 },
628	{ 0x08004800, 0x00000004 },
629	{ 0x001b0001, 0x00000004 },
630	{ 0x08004800, 0x00000004 },
631	{ 0x001b0001, 0x00000004 },
632	{ 0x08004800, 0x00000004 },
633	{ 0x0000003a, 0x00000008 },
634	{ 0x0000a000, 0000000000 },
635	{ 0x02c0a000, 0x00000004 },
636	{ 0x000ca000, 0x00000004 },
637	{ 0x00130000, 0x00000004 },
638	{ 0x000c2000, 0x00000004 },
639	{ 0xc980c045, 0x00000008 },
640	{ 0x2000451d, 0x00000004 },
641	{ 0x0000e580, 0x00000004 },
642	{ 0x000ce581, 0x00000004 },
643	{ 0x08004580, 0x00000004 },
644	{ 0x000ce581, 0x00000004 },
645	{ 0x0000004c, 0x00000008 },
646	{ 0x0000a000, 0000000000 },
647	{ 0x000c2000, 0x00000004 },
648	{ 0x0000e50e, 0x00000004 },
649	{ 0x00032000, 0x00000004 },
650	{ 0x00022056, 0x00000028 },
651	{ 0x00000056, 0x00000024 },
652	{ 0x0800450f, 0x00000004 },
653	{ 0x0000a050, 0x00000008 },
654	{ 0x0000e565, 0x00000004 },
655	{ 0x0000e566, 0x00000004 },
656	{ 0x00000057, 0x00000008 },
657	{ 0x03cca5b4, 0x00000004 },
658	{ 0x05432000, 0x00000004 },
659	{ 0x00022000, 0x00000004 },
660	{ 0x4ccce063, 0x00000030 },
661	{ 0x08274565, 0x00000004 },
662	{ 0x00000063, 0x00000030 },
663	{ 0x08004564, 0x00000004 },
664	{ 0x0000e566, 0x00000004 },
665	{ 0x0000005a, 0x00000008 },
666	{ 0x00802066, 0x00000010 },
667	{ 0x00202000, 0x00000004 },
668	{ 0x001b00ff, 0x00000004 },
669	{ 0x01000069, 0x00000010 },
670	{ 0x001f2000, 0x00000004 },
671	{ 0x001c00ff, 0x00000004 },
672	{ 0000000000, 0x0000000c },
673	{ 0x00000085, 0x00000030 },
674	{ 0x0000005a, 0x00000008 },
675	{ 0x0000e576, 0x00000004 },
676	{ 0x000ca000, 0x00000004 },
677	{ 0x00012000, 0x00000004 },
678	{ 0x00082000, 0x00000004 },
679	{ 0x1800650e, 0x00000004 },
680	{ 0x00092000, 0x00000004 },
681	{ 0x000a2000, 0x00000004 },
682	{ 0x000f0000, 0x00000004 },
683	{ 0x00400000, 0x00000004 },
684	{ 0x00000079, 0x00000018 },
685	{ 0x0000e563, 0x00000004 },
686	{ 0x00c0e5f9, 0x000000c2 },
687	{ 0x0000006e, 0x00000008 },
688	{ 0x0000a06e, 0x00000008 },
689	{ 0x0000e576, 0x00000004 },
690	{ 0x0000e577, 0x00000004 },
691	{ 0x0000e50e, 0x00000004 },
692	{ 0x0000e50f, 0x00000004 },
693	{ 0x0140a000, 0x00000004 },
694	{ 0x0000007c, 0x00000018 },
695	{ 0x00c0e5f9, 0x000000c2 },
696	{ 0x0000007c, 0x00000008 },
697	{ 0x0014e50e, 0x00000004 },
698	{ 0x0040e50f, 0x00000004 },
699	{ 0x00c0007f, 0x00000008 },
700	{ 0x0000e570, 0x00000004 },
701	{ 0x0000e571, 0x00000004 },
702	{ 0x0000e572, 0x0000000c },
703	{ 0x0000a000, 0x00000004 },
704	{ 0x0140a000, 0x00000004 },
705	{ 0x0000e568, 0x00000004 },
706	{ 0x000c2000, 0x00000004 },
707	{ 0x00000089, 0x00000018 },
708	{ 0x000b0000, 0x00000004 },
709	{ 0x18c0e562, 0x00000004 },
710	{ 0x0000008b, 0x00000008 },
711	{ 0x00c0008a, 0x00000008 },
712	{ 0x000700e4, 0x00000004 },
713	{ 0x00000097, 0x00000038 },
714	{ 0x000ca099, 0x00000030 },
715	{ 0x080045bb, 0x00000004 },
716	{ 0x000c209a, 0x00000030 },
717	{ 0x0800e5bc, 0000000000 },
718	{ 0x0000e5bb, 0x00000004 },
719	{ 0x0000e5bc, 0000000000 },
720	{ 0x00120000, 0x0000000c },
721	{ 0x00120000, 0x00000004 },
722	{ 0x001b0002, 0x0000000c },
723	{ 0x0000a000, 0x00000004 },
724	{ 0x0000e821, 0x00000004 },
725	{ 0x0000e800, 0000000000 },
726	{ 0x0000e821, 0x00000004 },
727	{ 0x0000e82e, 0000000000 },
728	{ 0x02cca000, 0x00000004 },
729	{ 0x00140000, 0x00000004 },
730	{ 0x000ce1cc, 0x00000004 },
731	{ 0x050de1cd, 0x00000004 },
732	{ 0x000000a7, 0x00000020 },
733	{ 0x4200e000, 0000000000 },
734	{ 0x000000ae, 0x00000038 },
735	{ 0x000ca000, 0x00000004 },
736	{ 0x00140000, 0x00000004 },
737	{ 0x000c2000, 0x00000004 },
738	{ 0x00160000, 0x00000004 },
739	{ 0x700ce000, 0x00000004 },
740	{ 0x001400aa, 0x00000008 },
741	{ 0x4000e000, 0000000000 },
742	{ 0x02400000, 0x00000004 },
743	{ 0x400ee000, 0x00000004 },
744	{ 0x02400000, 0x00000004 },
745	{ 0x4000e000, 0000000000 },
746	{ 0x000c2000, 0x00000004 },
747	{ 0x0240e51b, 0x00000004 },
748	{ 0x0080e50a, 0x00000005 },
749	{ 0x0080e50b, 0x00000005 },
750	{ 0x00220000, 0x00000004 },
751	{ 0x000700e4, 0x00000004 },
752	{ 0x000000c1, 0x00000038 },
753	{ 0x000c209a, 0x00000030 },
754	{ 0x0880e5bd, 0x00000005 },
755	{ 0x000c2099, 0x00000030 },
756	{ 0x0800e5bb, 0x00000005 },
757	{ 0x000c209a, 0x00000030 },
758	{ 0x0880e5bc, 0x00000005 },
759	{ 0x000000c4, 0x00000008 },
760	{ 0x0080e5bd, 0x00000005 },
761	{ 0x0000e5bb, 0x00000005 },
762	{ 0x0080e5bc, 0x00000005 },
763	{ 0x00210000, 0x00000004 },
764	{ 0x02800000, 0x00000004 },
765	{ 0x00c000c8, 0x00000018 },
766	{ 0x4180e000, 0x00000040 },
767	{ 0x000000ca, 0x00000024 },
768	{ 0x01000000, 0x0000000c },
769	{ 0x0100e51d, 0x0000000c },
770	{ 0x000045bb, 0x00000004 },
771	{ 0x000080c4, 0x00000008 },
772	{ 0x0000f3ce, 0x00000004 },
773	{ 0x0140a000, 0x00000004 },
774	{ 0x00cc2000, 0x00000004 },
775	{ 0x08c053cf, 0x00000040 },
776	{ 0x00008000, 0000000000 },
777	{ 0x0000f3d2, 0x00000004 },
778	{ 0x0140a000, 0x00000004 },
779	{ 0x00cc2000, 0x00000004 },
780	{ 0x08c053d3, 0x00000040 },
781	{ 0x00008000, 0000000000 },
782	{ 0x0000f39d, 0x00000004 },
783	{ 0x0140a000, 0x00000004 },
784	{ 0x00cc2000, 0x00000004 },
785	{ 0x08c0539e, 0x00000040 },
786	{ 0x00008000, 0000000000 },
787	{ 0x03c00830, 0x00000004 },
788	{ 0x4200e000, 0000000000 },
789	{ 0x0000a000, 0x00000004 },
790	{ 0x200045e0, 0x00000004 },
791	{ 0x0000e5e1, 0000000000 },
792	{ 0x00000001, 0000000000 },
793	{ 0x000700e1, 0x00000004 },
794	{ 0x0800e394, 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	{ 0000000000, 0000000000 },
820	{ 0000000000, 0000000000 },
821	{ 0000000000, 0000000000 },
822	{ 0000000000, 0000000000 },
823};
824
825static int RADEON_READ_PLL(drm_device_t *dev, int addr)
826{
827	drm_radeon_private_t *dev_priv = dev->dev_private;
828
829	RADEON_WRITE8(RADEON_CLOCK_CNTL_INDEX, addr & 0x1f);
830	return (RADEON_READ(RADEON_CLOCK_CNTL_DATA));
831}
832
833static int RADEON_READ_PCIE(drm_radeon_private_t *dev_priv, int addr)
834{
835	RADEON_WRITE8(RADEON_PCIE_INDEX, addr & 0xff);
836	return (RADEON_READ(RADEON_PCIE_DATA));
837}
838
839#if RADEON_FIFO_DEBUG
840static void radeon_status(drm_radeon_private_t *dev_priv)
841{
842	cmn_err(CE_NOTE, "RBBM_STATUS = 0x%08x\n",
843	    (unsigned int)RADEON_READ(RADEON_RBBM_STATUS));
844	cmn_err(CE_NOTE, "CP_RB_RTPR = 0x%08x\n",
845	    (unsigned int)RADEON_READ(RADEON_CP_RB_RPTR));
846	cmn_err(CE_NOTE, "CP_RB_WTPR = 0x%08x\n",
847	    (unsigned int)RADEON_READ(RADEON_CP_RB_WPTR));
848	cmn_err(CE_NOTE, "AIC_CNTL = 0x%08x\n",
849	    (unsigned int)RADEON_READ(RADEON_AIC_CNTL));
850	cmn_err(CE_NOTE, "AIC_STAT = 0x%08x\n",
851	    (unsigned int)RADEON_READ(RADEON_AIC_STAT));
852	cmn_err(CE_NOTE, "AIC_PT_BASE = 0x%08x\n",
853	    (unsigned int)RADEON_READ(RADEON_AIC_PT_BASE));
854	cmn_err(CE_NOTE, "TLB_ADDR = 0x%08x\n",
855	    (unsigned int)RADEON_READ(RADEON_AIC_TLB_ADDR));
856	cmn_err(CE_NOTE, "TLB_DATA = 0x%08x\n",
857	    (unsigned int)RADEON_READ(RADEON_AIC_TLB_DATA));
858}
859#endif
860
861/*
862 * Engine, FIFO control
863 */
864
865static int radeon_do_pixcache_flush(drm_radeon_private_t *dev_priv)
866{
867	u32 tmp;
868	int i;
869
870	dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
871
872	tmp = RADEON_READ(RADEON_RB3D_DSTCACHE_CTLSTAT);
873	tmp |= RADEON_RB3D_DC_FLUSH_ALL;
874	RADEON_WRITE(RADEON_RB3D_DSTCACHE_CTLSTAT, tmp);
875
876	for (i = 0; i < dev_priv->usec_timeout; i++) {
877		if (!(RADEON_READ(RADEON_RB3D_DSTCACHE_CTLSTAT) &
878		    RADEON_RB3D_DC_BUSY)) {
879			return (0);
880		}
881		DRM_UDELAY(1);
882	}
883
884#if RADEON_FIFO_DEBUG
885	DRM_ERROR("failed!\n");
886	radeon_status(dev_priv);
887#endif
888	return (EBUSY);
889}
890
891static int radeon_do_wait_for_fifo(drm_radeon_private_t *dev_priv, int entries)
892{
893	int i;
894
895	dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
896
897	for (i = 0; i < dev_priv->usec_timeout; i++) {
898		int slots = (RADEON_READ(RADEON_RBBM_STATUS) &
899		    RADEON_RBBM_FIFOCNT_MASK);
900		if (slots >= entries)
901			return (0);
902		DRM_UDELAY(1);
903	}
904
905
906	DRM_ERROR("radeon_do_wait_for_fifo: failed timeout=%d",
907	    dev_priv->usec_timeout);
908#if RADEON_FIFO_DEBUG
909	radeon_status(dev_priv);
910#endif
911	return (EBUSY);
912}
913
914static int radeon_do_wait_for_idle(drm_radeon_private_t *dev_priv)
915{
916	int i, ret;
917
918	dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
919
920	ret = radeon_do_wait_for_fifo(dev_priv, 64);
921	if (ret)
922		return (ret);
923
924	for (i = 0; i < dev_priv->usec_timeout; i++) {
925		if (!(RADEON_READ(RADEON_RBBM_STATUS) &
926		    RADEON_RBBM_ACTIVE)) {
927			(void) radeon_do_pixcache_flush(dev_priv);
928			return (0);
929		}
930		DRM_UDELAY(1);
931	}
932
933	DRM_ERROR("radeon_do_wait_for_idle: failed timeout=%d",
934	    dev_priv->usec_timeout);
935
936#if RADEON_FIFO_DEBUG
937	radeon_status(dev_priv);
938#endif
939	return (EBUSY);
940}
941
942/*
943 * CP control, initialization
944 */
945
946/* Load the microcode for the CP */
947static void radeon_cp_load_microcode(drm_radeon_private_t *dev_priv)
948{
949	int i;
950
951	(void) radeon_do_wait_for_idle(dev_priv);
952
953	RADEON_WRITE(RADEON_CP_ME_RAM_ADDR, 0);
954
955	if (dev_priv->microcode_version == UCODE_R200) {
956		DRM_INFO("Loading R200 Microcode\n");
957		for (i = 0; i < 256; i++) {
958			RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
959			    R200_cp_microcode[i][1]);
960			RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
961			    R200_cp_microcode[i][0]);
962		}
963	} else if (dev_priv->microcode_version == UCODE_R300) {
964		DRM_INFO("Loading R300 Microcode\n");
965		for (i = 0; i < 256; i++) {
966			RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
967			    R300_cp_microcode[i][1]);
968			RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
969			    R300_cp_microcode[i][0]);
970		}
971	} else {
972		for (i = 0; i < 256; i++) {
973			RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
974			    radeon_cp_microcode[i][1]);
975			RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
976			    radeon_cp_microcode[i][0]);
977		}
978	}
979}
980
981/*
982 * Flush any pending commands to the CP.  This should only be used just
983 * prior to a wait for idle, as it informs the engine that the command
984 * stream is ending.
985 */
986/*ARGSUSED*/
987static void radeon_do_cp_flush(drm_radeon_private_t *dev_priv)
988{
989	DRM_DEBUG("\n");
990
991#if 0
992	u32 tmp;
993
994	tmp = RADEON_READ(RADEON_CP_RB_WPTR) | (1 << 31);
995	RADEON_WRITE(RADEON_CP_RB_WPTR, tmp);
996#endif
997}
998
999/* Wait for the CP to go idle. */
1000int
1001radeon_do_cp_idle(drm_radeon_private_t *dev_priv)
1002{
1003	RING_LOCALS;
1004
1005	BEGIN_RING(6);
1006
1007	RADEON_PURGE_CACHE();
1008	RADEON_PURGE_ZCACHE();
1009	RADEON_WAIT_UNTIL_IDLE();
1010
1011	ADVANCE_RING();
1012	COMMIT_RING();
1013
1014	return (radeon_do_wait_for_idle(dev_priv));
1015}
1016
1017/* Start the Command Processor. */
1018static void radeon_do_cp_start(drm_radeon_private_t *dev_priv)
1019{
1020	RING_LOCALS;
1021
1022	(void) radeon_do_wait_for_idle(dev_priv);
1023
1024	RADEON_WRITE(RADEON_CP_CSQ_CNTL, dev_priv->cp_mode);
1025
1026	dev_priv->cp_running = 1;
1027
1028	BEGIN_RING(6);
1029
1030	RADEON_PURGE_CACHE();
1031	RADEON_PURGE_ZCACHE();
1032	RADEON_WAIT_UNTIL_IDLE();
1033
1034	ADVANCE_RING();
1035	COMMIT_RING();
1036}
1037
1038/*
1039 * Reset the Command Processor.  This will not flush any pending
1040 * commands, so you must wait for the CP command stream to complete
1041 * before calling this routine.
1042 */
1043static void radeon_do_cp_reset(drm_radeon_private_t *dev_priv)
1044{
1045	u32 cur_read_ptr;
1046	DRM_DEBUG("\n");
1047
1048	cur_read_ptr = RADEON_READ(RADEON_CP_RB_RPTR);
1049	RADEON_WRITE(RADEON_CP_RB_WPTR, cur_read_ptr);
1050	SET_RING_HEAD(dev_priv, cur_read_ptr);
1051	dev_priv->ring.tail = cur_read_ptr;
1052}
1053
1054/*
1055 * Stop the Command Processor.  This will not flush any pending
1056 * commands, so you must flush the command stream and wait for the CP
1057 * to go idle before calling this routine.
1058 */
1059static void radeon_do_cp_stop(drm_radeon_private_t *dev_priv)
1060{
1061	DRM_DEBUG("\n");
1062
1063	RADEON_WRITE(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIDIS_INDDIS);
1064
1065	dev_priv->cp_running = 0;
1066}
1067
1068/* Reset the engine.  This will stop the CP if it is running. */
1069static int radeon_do_engine_reset(drm_device_t *dev)
1070{
1071	drm_radeon_private_t *dev_priv = dev->dev_private;
1072	u32 clock_cntl_index, mclk_cntl, rbbm_soft_reset;
1073	DRM_DEBUG("\n");
1074
1075	(void) radeon_do_pixcache_flush(dev_priv);
1076
1077	clock_cntl_index = RADEON_READ(RADEON_CLOCK_CNTL_INDEX);
1078	mclk_cntl = RADEON_READ_PLL(dev, RADEON_MCLK_CNTL);
1079
1080	RADEON_WRITE_PLL(RADEON_MCLK_CNTL, (mclk_cntl |
1081	    RADEON_FORCEON_MCLKA |
1082	    RADEON_FORCEON_MCLKB |
1083	    RADEON_FORCEON_YCLKA |
1084	    RADEON_FORCEON_YCLKB |
1085	    RADEON_FORCEON_MC |
1086	    RADEON_FORCEON_AIC));
1087
1088	rbbm_soft_reset = RADEON_READ(RADEON_RBBM_SOFT_RESET);
1089
1090	RADEON_WRITE(RADEON_RBBM_SOFT_RESET, (rbbm_soft_reset |
1091	    RADEON_SOFT_RESET_CP |
1092	    RADEON_SOFT_RESET_HI |
1093	    RADEON_SOFT_RESET_SE |
1094	    RADEON_SOFT_RESET_RE |
1095	    RADEON_SOFT_RESET_PP |
1096	    RADEON_SOFT_RESET_E2 |
1097	    RADEON_SOFT_RESET_RB));
1098	(void) RADEON_READ(RADEON_RBBM_SOFT_RESET);
1099	RADEON_WRITE(RADEON_RBBM_SOFT_RESET, (rbbm_soft_reset &
1100	    ~(RADEON_SOFT_RESET_CP |
1101	    RADEON_SOFT_RESET_HI |
1102	    RADEON_SOFT_RESET_SE |
1103	    RADEON_SOFT_RESET_RE |
1104	    RADEON_SOFT_RESET_PP |
1105	    RADEON_SOFT_RESET_E2 |
1106	    RADEON_SOFT_RESET_RB)));
1107	(void) RADEON_READ(RADEON_RBBM_SOFT_RESET);
1108
1109	RADEON_WRITE_PLL(RADEON_MCLK_CNTL, mclk_cntl);
1110	RADEON_WRITE(RADEON_CLOCK_CNTL_INDEX, clock_cntl_index);
1111	RADEON_WRITE(RADEON_RBBM_SOFT_RESET, rbbm_soft_reset);
1112
1113	/* Reset the CP ring */
1114	radeon_do_cp_reset(dev_priv);
1115
1116	/* The CP is no longer running after an engine reset */
1117	dev_priv->cp_running = 0;
1118
1119	/* Reset any pending vertex, indirect buffers */
1120	radeon_freelist_reset(dev);
1121
1122	return (0);
1123}
1124
1125static void
1126radeon_cp_init_ring_buffer(drm_device_t *dev, drm_radeon_private_t *dev_priv)
1127{
1128	u32 ring_start, cur_read_ptr;
1129	u32 tmp;
1130
1131	/*
1132	 * Initialize the memory controller. With new memory map, the fb
1133	 * location is not changed, it should have been properly initialized
1134	 * already. Part of the problem is that the code below is bogus,
1135	 * assuming the GART is always appended to the fb which is not
1136	 * necessarily the case
1137	 */
1138	if (!dev_priv->new_memmap)
1139		RADEON_WRITE(RADEON_MC_FB_LOCATION,
1140		    ((dev_priv->gart_vm_start - 1) & 0xffff0000) |
1141		    (dev_priv->fb_location >> 16));
1142
1143#if __OS_HAS_AGP
1144	if (dev_priv->flags & RADEON_IS_AGP) {
1145		RADEON_WRITE(RADEON_AGP_BASE, (unsigned int)dev->agp->base);
1146		RADEON_WRITE(RADEON_MC_AGP_LOCATION,
1147		    (((dev_priv->gart_vm_start - 1 +
1148		    dev_priv->gart_size) & 0xffff0000) |
1149		    (dev_priv->gart_vm_start >> 16)));
1150
1151		ring_start = dev_priv->cp_ring->offset -
1152		    dev->agp->base + dev_priv->gart_vm_start;
1153	} else
1154#endif
1155		ring_start = (dev_priv->cp_ring->offset -
1156		    (unsigned long)dev->sg->virtual +
1157		    dev_priv->gart_vm_start);
1158
1159	RADEON_WRITE(RADEON_CP_RB_BASE, ring_start);
1160
1161	/* Set the write pointer delay */
1162	RADEON_WRITE(RADEON_CP_RB_WPTR_DELAY, 0);
1163
1164	/* Initialize the ring buffer's read and write pointers */
1165	cur_read_ptr = RADEON_READ(RADEON_CP_RB_RPTR);
1166	RADEON_WRITE(RADEON_CP_RB_WPTR, cur_read_ptr);
1167	SET_RING_HEAD(dev_priv, cur_read_ptr);
1168	dev_priv->ring.tail = cur_read_ptr;
1169
1170#if __OS_HAS_AGP
1171	if (dev_priv->flags & RADEON_IS_AGP) {
1172		RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR,
1173		    dev_priv->ring_rptr->offset -
1174		    dev->agp->base + dev_priv->gart_vm_start);
1175	} else
1176#endif
1177	{
1178		drm_sg_mem_t *entry = dev->sg;
1179		unsigned long tmp_ofs, page_ofs;
1180
1181		tmp_ofs = dev_priv->ring_rptr->offset -
1182		    (unsigned long)dev->sg->virtual;
1183		page_ofs = tmp_ofs >> PAGE_SHIFT;
1184
1185		RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR, entry->busaddr[page_ofs]);
1186		DRM_DEBUG("ring rptr: offset=0x%08lx handle=0x%08lx\n",
1187		    (unsigned long)entry->busaddr[page_ofs],
1188		    entry->handle + tmp_ofs);
1189	}
1190
1191	/* Set ring buffer size */
1192#ifdef __BIG_ENDIAN
1193	RADEON_WRITE(RADEON_CP_RB_CNTL,
1194	    dev_priv->ring.size_l2qw | RADEON_BUF_SWAP_32BIT);
1195#else
1196	RADEON_WRITE(RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw);
1197#endif
1198
1199	/* Start with assuming that writeback doesn't work */
1200	dev_priv->writeback_works = 0;
1201
1202	/*
1203	 * Initialize the scratch register pointer.  This will cause
1204	 * the scratch register values to be written out to memory
1205	 * whenever they are updated.
1206	 *
1207	 * We simply put this behind the ring read pointer, this works
1208	 * with PCI GART as well as (whatever kind of) AGP GART
1209	 */
1210	RADEON_WRITE(RADEON_SCRATCH_ADDR, RADEON_READ(RADEON_CP_RB_RPTR_ADDR)
1211	    + RADEON_SCRATCH_REG_OFFSET);
1212
1213	dev_priv->scratch = ((__volatile__ u32 *)
1214	    dev_priv->ring_rptr->handle +
1215	    (RADEON_SCRATCH_REG_OFFSET / sizeof (u32)));
1216
1217	RADEON_WRITE(RADEON_SCRATCH_UMSK, 0x7);
1218
1219	/* Turn on bus mastering */
1220	tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
1221	RADEON_WRITE(RADEON_BUS_CNTL, tmp);
1222
1223	dev_priv->sarea_priv->last_frame = dev_priv->scratch[0] = 0;
1224	RADEON_WRITE(RADEON_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame);
1225
1226	dev_priv->sarea_priv->last_dispatch = dev_priv->scratch[1] = 0;
1227	RADEON_WRITE(RADEON_LAST_DISPATCH_REG,
1228	    dev_priv->sarea_priv->last_dispatch);
1229
1230	dev_priv->sarea_priv->last_clear = dev_priv->scratch[2] = 0;
1231	RADEON_WRITE(RADEON_LAST_CLEAR_REG, dev_priv->sarea_priv->last_clear);
1232
1233	(void) radeon_do_wait_for_idle(dev_priv);
1234
1235	/* Sync everything up */
1236	RADEON_WRITE(RADEON_ISYNC_CNTL,
1237	    (RADEON_ISYNC_ANY2D_IDLE3D |
1238	    RADEON_ISYNC_ANY3D_IDLE2D |
1239	    RADEON_ISYNC_WAIT_IDLEGUI |
1240	    RADEON_ISYNC_CPSCRATCH_IDLEGUI));
1241
1242}
1243
1244static void radeon_test_writeback(drm_radeon_private_t *dev_priv)
1245{
1246#if 0
1247	u32 tmp;
1248
1249	/*
1250	 * Writeback doesn't seem to work everywhere, test it here and possibly
1251	 * enable it if it appears to work
1252	 */
1253	DRM_WRITE32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1), 0);
1254	RADEON_WRITE(RADEON_SCRATCH_REG1, 0xdeadbeef);
1255
1256	for (tmp = 0; tmp < dev_priv->usec_timeout; tmp++) {
1257		if (DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1)) ==
1258		    0xdeadbeef)
1259			break;
1260		DRM_UDELAY(1);
1261	}
1262
1263	tmp = dev_priv->usec_timeout;
1264
1265	if (tmp < dev_priv->usec_timeout) {
1266		dev_priv->writeback_works = 1;
1267		DRM_INFO("writeback test succeeded in %d usecs\n", tmp);
1268	} else {
1269		dev_priv->writeback_works = 0;
1270		DRM_INFO("writeback test failed\n");
1271	}
1272	if (radeon_no_wb == 1) {
1273		dev_priv->writeback_works = 0;
1274		DRM_INFO("writeback forced off\n");
1275	}
1276#else
1277	/*
1278	 * Writeback doesn't work everywhere. And the timeout is so long
1279	 * so Xserver needs more time to start itself. But dtlogin doesn't
1280	 * want to wait for the timeout, and it just stops Xserver and
1281	 * restart it again. As a result, Xserver cannot start. So, we
1282	 * just ignore writeback here.
1283	 */
1284	dev_priv->writeback_works = 0;
1285#endif
1286
1287	if (!dev_priv->writeback_works) {
1288		/*
1289		 * Disable writeback to avoid unnecessary bus master
1290		 * transfers
1291		 */
1292		RADEON_WRITE(RADEON_CP_RB_CNTL,
1293		    RADEON_READ(RADEON_CP_RB_CNTL) | RADEON_RB_NO_UPDATE);
1294		RADEON_WRITE(RADEON_SCRATCH_UMSK, 0);
1295	}
1296
1297}
1298
1299/* Enable or disable PCI-E GART on the chip */
1300static void radeon_set_pciegart(drm_radeon_private_t *dev_priv, int on)
1301{
1302	u32 tmp = RADEON_READ_PCIE(dev_priv, RADEON_PCIE_TX_GART_CNTL);
1303	if (on) {
1304
1305		DRM_DEBUG("programming pcie %08X %08lX %08X\n",
1306		    dev_priv->gart_vm_start,
1307		    (long)dev_priv->gart_info.bus_addr,
1308		    dev_priv->gart_size);
1309		RADEON_WRITE_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO,
1310		    dev_priv->gart_vm_start);
1311		RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_BASE,
1312		    dev_priv->gart_info.bus_addr);
1313		RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_START_LO,
1314		    dev_priv->gart_vm_start);
1315		RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_END_LO,
1316		    dev_priv->gart_vm_start + dev_priv->gart_size - 1);
1317
1318		RADEON_WRITE(RADEON_MC_AGP_LOCATION, 0xffffffc0);	/* ?? */
1319
1320		RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_CNTL,
1321		    RADEON_PCIE_TX_GART_EN);
1322	} else {
1323		RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_CNTL,
1324		    tmp & ~RADEON_PCIE_TX_GART_EN);
1325	}
1326}
1327
1328/* Enable or disable PCI GART on the chip */
1329static void radeon_set_pcigart(drm_radeon_private_t *dev_priv, int on)
1330{
1331	u32 tmp;
1332
1333	if (dev_priv->flags & RADEON_IS_PCIE) {
1334		radeon_set_pciegart(dev_priv, on);
1335		return;
1336	}
1337
1338	tmp = RADEON_READ(RADEON_AIC_CNTL);
1339
1340	if (on) {
1341		RADEON_WRITE(RADEON_AIC_CNTL,
1342		    tmp | RADEON_PCIGART_TRANSLATE_EN);
1343
1344		/* set PCI GART page-table base address */
1345		RADEON_WRITE(RADEON_AIC_PT_BASE, dev_priv->gart_info.bus_addr);
1346
1347		/* set address range for PCI address translate */
1348		RADEON_WRITE(RADEON_AIC_LO_ADDR, dev_priv->gart_vm_start);
1349		RADEON_WRITE(RADEON_AIC_HI_ADDR, dev_priv->gart_vm_start +
1350		    dev_priv->gart_size - 1);
1351
1352		/* Turn off AGP aperture -- is this required for PCI GART?  */
1353		RADEON_WRITE(RADEON_MC_AGP_LOCATION, 0xffffffc0);	/* ?? */
1354		RADEON_WRITE(RADEON_AGP_COMMAND, 0);	/* clear AGP_COMMAND */
1355	} else {
1356		RADEON_WRITE(RADEON_AIC_CNTL,
1357		    tmp & ~RADEON_PCIGART_TRANSLATE_EN);
1358	}
1359}
1360
1361static int radeon_do_init_cp(drm_device_t *dev, drm_radeon_init_t *init)
1362{
1363	drm_radeon_private_t *dev_priv = dev->dev_private;
1364
1365	/* if we require new memory map but we don't have it fail */
1366	if ((dev_priv->flags & RADEON_NEW_MEMMAP) && !dev_priv->new_memmap) {
1367		DRM_ERROR("Cannot initialise DRM on this card\n"
1368		    "This card requires a new X.org DDX for 3D\n");
1369		(void) radeon_do_cleanup_cp(dev);
1370		return (EINVAL);
1371	}
1372
1373	if (init->is_pci && (dev_priv->flags & RADEON_IS_AGP)) {
1374		DRM_DEBUG("Forcing AGP card to PCI mode\n");
1375		dev_priv->flags &= ~RADEON_IS_AGP;
1376	} else if (!(dev_priv->flags &
1377	    (RADEON_IS_AGP | RADEON_IS_PCI | RADEON_IS_PCIE)) &&
1378	    !init->is_pci) {
1379		DRM_DEBUG("Restoring AGP flag\n");
1380		dev_priv->flags |= RADEON_IS_AGP;
1381	}
1382
1383	if ((!(dev_priv->flags & RADEON_IS_AGP)) && !dev->sg) {
1384		DRM_ERROR("PCI GART memory not allocated!\n");
1385		(void) radeon_do_cleanup_cp(dev);
1386		return (EINVAL);
1387	}
1388
1389	dev_priv->usec_timeout = init->usec_timeout;
1390	if (dev_priv->usec_timeout < 1 ||
1391	    dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT) {
1392		(void) radeon_do_cleanup_cp(dev);
1393		return (EINVAL);
1394	}
1395
1396	switch (init->func) {
1397	case RADEON_INIT_R200_CP:
1398		dev_priv->microcode_version = UCODE_R200;
1399		break;
1400	case RADEON_INIT_R300_CP:
1401		dev_priv->microcode_version = UCODE_R300;
1402		break;
1403	default:
1404		dev_priv->microcode_version = UCODE_R100;
1405	}
1406
1407	dev_priv->do_boxes = 0;
1408	dev_priv->cp_mode = init->cp_mode;
1409
1410	/*
1411	 * We don't support anything other than bus-mastering ring mode,
1412	 * but the ring can be in either AGP or PCI space for the ring
1413	 * read pointer.
1414	 */
1415	if ((init->cp_mode != RADEON_CSQ_PRIBM_INDDIS) &&
1416	    (init->cp_mode != RADEON_CSQ_PRIBM_INDBM)) {
1417		DRM_DEBUG("BAD cp_mode (%x)!\n", init->cp_mode);
1418		(void) radeon_do_cleanup_cp(dev);
1419		return (EINVAL);
1420	}
1421
1422	switch (init->fb_bpp) {
1423	case 16:
1424		dev_priv->color_fmt = RADEON_COLOR_FORMAT_RGB565;
1425		break;
1426	case 32:
1427	default:
1428		dev_priv->color_fmt = RADEON_COLOR_FORMAT_ARGB8888;
1429		break;
1430	}
1431	dev_priv->front_offset = init->front_offset;
1432	dev_priv->front_pitch = init->front_pitch;
1433	dev_priv->back_offset = init->back_offset;
1434	dev_priv->back_pitch = init->back_pitch;
1435
1436	switch (init->depth_bpp) {
1437	case 16:
1438		dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_16BIT_INT_Z;
1439		break;
1440	case 32:
1441	default:
1442		dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_24BIT_INT_Z;
1443		break;
1444	}
1445	dev_priv->depth_offset = init->depth_offset;
1446	dev_priv->depth_pitch = init->depth_pitch;
1447
1448	/*
1449	 * Hardware state for depth clears.  Remove this if/when we no
1450	 * longer clear the depth buffer with a 3D rectangle.  Hard-code
1451	 * all values to prevent unwanted 3D state from slipping through
1452	 * and screwing with the clear operation.
1453	 */
1454	dev_priv->depth_clear.rb3d_cntl = (RADEON_PLANE_MASK_ENABLE |
1455	    (dev_priv->color_fmt << 10) |
1456	    (dev_priv->microcode_version ==
1457	    UCODE_R100 ? RADEON_ZBLOCK16 : 0));
1458
1459	dev_priv->depth_clear.rb3d_zstencilcntl =
1460	    (dev_priv->depth_fmt |
1461	    RADEON_Z_TEST_ALWAYS |
1462	    RADEON_STENCIL_TEST_ALWAYS |
1463	    RADEON_STENCIL_S_FAIL_REPLACE |
1464	    RADEON_STENCIL_ZPASS_REPLACE |
1465	    RADEON_STENCIL_ZFAIL_REPLACE | RADEON_Z_WRITE_ENABLE);
1466
1467	dev_priv->depth_clear.se_cntl = (RADEON_FFACE_CULL_CW |
1468	    RADEON_BFACE_SOLID |
1469	    RADEON_FFACE_SOLID |
1470	    RADEON_FLAT_SHADE_VTX_LAST |
1471	    RADEON_DIFFUSE_SHADE_FLAT |
1472	    RADEON_ALPHA_SHADE_FLAT |
1473	    RADEON_SPECULAR_SHADE_FLAT |
1474	    RADEON_FOG_SHADE_FLAT |
1475	    RADEON_VTX_PIX_CENTER_OGL |
1476	    RADEON_ROUND_MODE_TRUNC |
1477	    RADEON_ROUND_PREC_8TH_PIX);
1478
1479	DRM_GETSAREA();
1480
1481	dev_priv->ring_offset = init->ring_offset;
1482	dev_priv->ring_rptr_offset = init->ring_rptr_offset;
1483	dev_priv->buffers_offset = init->buffers_offset;
1484	dev_priv->gart_textures_offset = init->gart_textures_offset;
1485
1486	if (!dev_priv->sarea) {
1487		DRM_ERROR("could not find sarea!\n");
1488		(void) radeon_do_cleanup_cp(dev);
1489		return (EINVAL);
1490	}
1491
1492	dev_priv->cp_ring = drm_core_findmap(dev, init->ring_offset);
1493	if (!dev_priv->cp_ring) {
1494		DRM_ERROR("could not find cp ring region, offset=0x%lx\n",
1495		    init->ring_offset);
1496		(void) radeon_do_cleanup_cp(dev);
1497		return (EINVAL);
1498	}
1499	dev_priv->ring_rptr = drm_core_findmap(dev, init->ring_rptr_offset);
1500	if (!dev_priv->ring_rptr) {
1501		DRM_ERROR("could not find ring read pointer, offset=0x%lx\n",
1502		    init->ring_rptr_offset);
1503		(void) radeon_do_cleanup_cp(dev);
1504		return (EINVAL);
1505	}
1506	dev->agp_buffer_token = init->buffers_offset;
1507	dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
1508	if (!dev->agp_buffer_map) {
1509		DRM_ERROR("could not find dma buffer region, offset=0x%lx\n",
1510		    init->buffers_offset);
1511		(void) radeon_do_cleanup_cp(dev);
1512		return (EINVAL);
1513	}
1514
1515	if (init->gart_textures_offset) {
1516		dev_priv->gart_textures =
1517		    drm_core_findmap(dev, init->gart_textures_offset);
1518		if (!dev_priv->gart_textures) {
1519			DRM_ERROR("could not find GART texture region, "
1520			    "offset=0x%lx\n", init->gart_textures_offset);
1521			(void) radeon_do_cleanup_cp(dev);
1522			return (EINVAL);
1523		}
1524	}
1525
1526	dev_priv->sarea_priv = (drm_radeon_sarea_t *)(uintptr_t)
1527	    ((u8 *)(uintptr_t)dev_priv->sarea->handle +
1528	    init->sarea_priv_offset);
1529
1530#if __OS_HAS_AGP
1531	if (dev_priv->flags & RADEON_IS_AGP) {
1532		drm_core_ioremap(dev_priv->cp_ring, dev);
1533		drm_core_ioremap(dev_priv->ring_rptr, dev);
1534		drm_core_ioremap(dev->agp_buffer_map, dev);
1535		if (!dev_priv->cp_ring->handle ||
1536		    !dev_priv->ring_rptr->handle ||
1537		    !dev->agp_buffer_map->handle) {
1538			DRM_ERROR("radeon_do_init_cp: failed to find agp "
1539			    "regions,"
1540			    "cp_ring=0x%x, ring_rptr=0x%x, agp_buf=0x%x",
1541			    dev_priv->cp_ring->handle,
1542			    dev_priv->ring_rptr->handle,
1543			    dev->agp_buffer_map->handle);
1544			(void) radeon_do_cleanup_cp(dev);
1545			return (EINVAL);
1546		}
1547	} else
1548#endif
1549	{
1550		dev_priv->cp_ring->handle =
1551		    (void *)(intptr_t)dev_priv->cp_ring->offset;
1552		dev_priv->ring_rptr->handle =
1553		    (void *)(intptr_t)dev_priv->ring_rptr->offset;
1554		dev->agp_buffer_map->handle =
1555		    (void *)(intptr_t)dev->agp_buffer_map->offset;
1556
1557		DRM_DEBUG("dev_priv->cp_ring->handle %p\n",
1558		    dev_priv->cp_ring->handle);
1559		DRM_DEBUG("dev_priv->ring_rptr->handle %p\n",
1560		    dev_priv->ring_rptr->handle);
1561		DRM_DEBUG("dev->agp_buffer_map->handle %p\n",
1562		    dev->agp_buffer_map->handle);
1563	}
1564
1565	dev_priv->fb_location = (RADEON_READ(RADEON_MC_FB_LOCATION) &
1566	    0xffff) << 16;
1567	dev_priv->fb_size =
1568	    ((RADEON_READ(RADEON_MC_FB_LOCATION) & 0xffff0000u) + 0x10000)
1569	    - dev_priv->fb_location;
1570
1571	dev_priv->front_pitch_offset = (((dev_priv->front_pitch / 64) << 22) |
1572	    ((dev_priv->front_offset + dev_priv->fb_location) >> 10));
1573
1574	dev_priv->back_pitch_offset = (((dev_priv->back_pitch / 64) << 22) |
1575	    ((dev_priv->back_offset + dev_priv->fb_location) >> 10));
1576
1577	dev_priv->depth_pitch_offset = (((dev_priv->depth_pitch / 64) << 22) |
1578	    ((dev_priv->depth_offset + dev_priv->fb_location) >> 10));
1579
1580	dev_priv->gart_size = init->gart_size;
1581
1582	/* New let's set the memory map ... */
1583	if (dev_priv->new_memmap) {
1584		u32 base = 0;
1585
1586		DRM_INFO("Setting GART location based on new memory map\n");
1587
1588		/*
1589		 * If using AGP, try to locate the AGP aperture at the same
1590		 * location in the card and on the bus, though we have to
1591		 * align it down.
1592		 */
1593#if __OS_HAS_AGP
1594		if (dev_priv->flags & RADEON_IS_AGP) {
1595			base = dev->agp->base;
1596			/* Check if valid */
1597			if ((base + dev_priv->gart_size - 1) >=
1598			    dev_priv->fb_location &&
1599			    base < (dev_priv->fb_location +
1600			    dev_priv->fb_size - 1)) {
1601				DRM_INFO("Can't use AGP base @0x%08lx,"
1602				    "won't fit\n", dev->agp->base);
1603				base = 0;
1604			}
1605		}
1606#endif
1607		/* If not or if AGP is at 0 (Macs), try to put it elsewhere */
1608		if (base == 0) {
1609			base = dev_priv->fb_location + dev_priv->fb_size;
1610			if (base < dev_priv->fb_location ||
1611			    ((base + dev_priv->gart_size) &
1612			    0xfffffffful) < base)
1613				base = dev_priv->fb_location -
1614				    dev_priv->gart_size;
1615		}
1616		dev_priv->gart_vm_start = base & 0xffc00000u;
1617		if (dev_priv->gart_vm_start != base)
1618			DRM_INFO("GART aligned down from 0x%08x to 0x%08x\n",
1619			    base, dev_priv->gart_vm_start);
1620	} else {
1621		DRM_INFO("Setting GART location based on old memory map\n");
1622		dev_priv->gart_vm_start = dev_priv->fb_location +
1623		    RADEON_READ(RADEON_CONFIG_APER_SIZE);
1624	}
1625
1626#if __OS_HAS_AGP
1627	if (dev_priv->flags & RADEON_IS_AGP)
1628		dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset -
1629		    dev->agp->base + dev_priv->gart_vm_start);
1630	else
1631#endif
1632		dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset -
1633		    (unsigned long)dev->sg->virtual + dev_priv->gart_vm_start);
1634
1635	DRM_DEBUG("dev_priv->gart_size %d\n", dev_priv->gart_size);
1636	DRM_DEBUG("dev_priv->gart_vm_start 0x%x\n", dev_priv->gart_vm_start);
1637	DRM_DEBUG("dev_priv->gart_buffers_offset 0x%lx\n",
1638	    dev_priv->gart_buffers_offset);
1639
1640	dev_priv->ring.start = (u32 *) dev_priv->cp_ring->handle;
1641	dev_priv->ring.end = ((u32 *) dev_priv->cp_ring->handle +
1642	    init->ring_size / sizeof (u32));
1643	dev_priv->ring.size = init->ring_size;
1644	dev_priv->ring.size_l2qw = drm_order(init->ring_size / 8);
1645
1646	dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof (u32)) - 1;
1647
1648	dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK;
1649
1650#if __OS_HAS_AGP
1651	if (dev_priv->flags & RADEON_IS_AGP) {
1652		/* Turn off PCI GART */
1653		radeon_set_pcigart(dev_priv, 0);
1654	} else
1655#endif
1656	{
1657		/* if we have an offset set from userspace */
1658		if (dev_priv->pcigart_offset) {
1659			dev_priv->gart_info.bus_addr =
1660			    dev_priv->pcigart_offset + dev_priv->fb_location;
1661			dev_priv->gart_info.mapping.offset =
1662			    dev_priv->gart_info.bus_addr;
1663			dev_priv->gart_info.mapping.size =
1664			    RADEON_PCIGART_TABLE_SIZE;
1665
1666			drm_core_ioremap(&dev_priv->gart_info.mapping, dev);
1667			dev_priv->gart_info.addr =
1668			    dev_priv->gart_info.mapping.handle;
1669
1670			dev_priv->gart_info.is_pcie =
1671			    !!(dev_priv->flags & RADEON_IS_PCIE);
1672			dev_priv->gart_info.gart_table_location =
1673			    DRM_ATI_GART_FB;
1674
1675			DRM_DEBUG("Setting phys_pci_gart to %p %08lX\n",
1676			    dev_priv->gart_info.addr, dev_priv->pcigart_offset);
1677		} else {
1678			dev_priv->gart_info.gart_table_location =
1679			    DRM_ATI_GART_MAIN;
1680			dev_priv->gart_info.addr = NULL;
1681			dev_priv->gart_info.bus_addr = 0;
1682			if (dev_priv->flags & RADEON_IS_PCIE) {
1683				DRM_ERROR("Cannot use PCI Express without "
1684				    "GART in FB memory\n");
1685				(void) radeon_do_cleanup_cp(dev);
1686				return (EINVAL);
1687			}
1688		}
1689
1690		if (!drm_ati_pcigart_init(dev, &dev_priv->gart_info)) {
1691			DRM_ERROR("failed to init PCI GART!\n");
1692			(void) radeon_do_cleanup_cp(dev);
1693			return (ENOMEM);
1694		}
1695
1696		/* Turn on PCI GART */
1697		radeon_set_pcigart(dev_priv, 1);
1698	}
1699
1700	radeon_cp_load_microcode(dev_priv);
1701	radeon_cp_init_ring_buffer(dev, dev_priv);
1702
1703	dev_priv->last_buf = 0;
1704
1705	(void) radeon_do_engine_reset(dev);
1706	radeon_test_writeback(dev_priv);
1707
1708	return (0);
1709}
1710
1711static int radeon_do_cleanup_cp(drm_device_t *dev)
1712{
1713	drm_radeon_private_t *dev_priv = dev->dev_private;
1714
1715	/*
1716	 * Make sure interrupts are disabled here because the uninstall ioctl
1717	 * may not have been called from userspace and after dev_private
1718	 * is freed, it's too late.
1719	 */
1720	if (dev->irq_enabled)
1721		(void) drm_irq_uninstall(dev);
1722
1723#if __OS_HAS_AGP
1724	if (dev_priv->flags & RADEON_IS_AGP) {
1725		if (dev_priv->cp_ring != NULL) {
1726			drm_core_ioremapfree(dev_priv->cp_ring, dev);
1727			dev_priv->cp_ring = NULL;
1728		}
1729		if (dev_priv->ring_rptr != NULL) {
1730			drm_core_ioremapfree(dev_priv->ring_rptr, dev);
1731			dev_priv->ring_rptr = NULL;
1732		}
1733		if (dev->agp_buffer_map != NULL) {
1734			drm_core_ioremapfree(dev->agp_buffer_map, dev);
1735			dev->agp_buffer_map = NULL;
1736		}
1737	} else
1738#endif
1739	{
1740
1741		if (dev_priv->gart_info.bus_addr) {
1742			/* Turn off PCI GART */
1743			radeon_set_pcigart(dev_priv, 0);
1744			if (!drm_ati_pcigart_cleanup(dev, &dev_priv->gart_info))
1745				DRM_ERROR("failed to cleanup PCI GART!\n");
1746		}
1747
1748		if (dev_priv->gart_info.gart_table_location ==
1749		    DRM_ATI_GART_FB) {
1750			drm_core_ioremapfree(&dev_priv->gart_info.mapping, dev);
1751			dev_priv->gart_info.addr = 0;
1752		}
1753	}
1754	/* only clear to the start of flags */
1755	(void) memset(dev_priv, 0, offsetof(drm_radeon_private_t, flags));
1756
1757	return (0);
1758}
1759
1760/*
1761 * This code will reinit the Radeon CP hardware after a resume from disc.
1762 * AFAIK, it would be very difficult to pickle the state at suspend time, so
1763 * here we make sure that all Radeon hardware initialisation is re-done without
1764 * affecting running applications.
1765 *
1766 * Charl P. Botha <http://cpbotha.net>
1767 */
1768static int radeon_do_resume_cp(drm_device_t *dev)
1769{
1770	drm_radeon_private_t *dev_priv = dev->dev_private;
1771
1772	if (!dev_priv) {
1773		DRM_ERROR("Called with no initialization\n");
1774		return (EINVAL);
1775	}
1776
1777	DRM_DEBUG("Starting radeon_do_resume_cp()\n");
1778
1779#if __OS_HAS_AGP
1780	if (dev_priv->flags & RADEON_IS_AGP) {
1781		/* Turn off PCI GART */
1782		radeon_set_pcigart(dev_priv, 0);
1783	} else
1784#endif
1785	{
1786		/* Turn on PCI GART */
1787		radeon_set_pcigart(dev_priv, 1);
1788	}
1789
1790	radeon_cp_load_microcode(dev_priv);
1791	radeon_cp_init_ring_buffer(dev, dev_priv);
1792
1793	(void) radeon_do_engine_reset(dev);
1794
1795	DRM_DEBUG("radeon_do_resume_cp() complete\n");
1796
1797	return (0);
1798}
1799
1800/*ARGSUSED*/
1801int
1802radeon_cp_init(DRM_IOCTL_ARGS)
1803{
1804	DRM_DEVICE;
1805	drm_radeon_init_t init;
1806
1807
1808	LOCK_TEST_WITH_RETURN(dev, fpriv);
1809
1810#ifdef _MULTI_DATAMODEL
1811	if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
1812		drm_radeon_init_32_t init32;
1813
1814		DRM_COPYFROM_WITH_RETURN(&init32, (void *) data,
1815		    sizeof (init32));
1816		init.func = init32.func;
1817		init.sarea_priv_offset = init32.sarea_priv_offset;
1818		init.is_pci = init32.is_pci;
1819		init.cp_mode = init32.cp_mode;
1820		init.gart_size = init32.gart_size;
1821		init.ring_size = init32.ring_size;
1822		init.usec_timeout = init32.usec_timeout;
1823		init.fb_bpp = init32.fb_bpp;
1824		init.front_offset = init32.front_offset;
1825		init.front_pitch = init32.front_pitch;
1826		init.back_offset = init32.back_offset;
1827		init.back_pitch = init32.back_pitch;
1828		init.depth_bpp = init32.depth_bpp;
1829		init.depth_offset = init32.depth_offset;
1830		init.depth_pitch = init32.depth_pitch;
1831		init.ring_offset = init32.ring_offset;
1832		init.ring_rptr_offset = init32.ring_rptr_offset;
1833		init.buffers_offset = init32.buffers_offset;
1834		init.gart_textures_offset = init32.gart_textures_offset;
1835	} else {
1836#endif
1837		DRM_COPYFROM_WITH_RETURN(&init, (void *) data, sizeof (init));
1838#ifdef _MULTI_DATAMODEL
1839	}
1840#endif
1841
1842	if (init.func == RADEON_INIT_R300_CP)
1843		r300_init_reg_flags();
1844
1845	switch (init.func) {
1846	case RADEON_INIT_CP:
1847	case RADEON_INIT_R200_CP:
1848	case RADEON_INIT_R300_CP:
1849		return (radeon_do_init_cp(dev, &init));
1850	case RADEON_CLEANUP_CP:
1851		return (radeon_do_cleanup_cp(dev));
1852	}
1853
1854	return (EINVAL);
1855}
1856
1857/*ARGSUSED*/
1858int
1859radeon_cp_start(DRM_IOCTL_ARGS)
1860{
1861	DRM_DEVICE;
1862	drm_radeon_private_t *dev_priv = dev->dev_private;
1863
1864	LOCK_TEST_WITH_RETURN(dev, fpriv);
1865
1866	if (dev_priv->cp_running) {
1867		return (0);
1868	}
1869	if (dev_priv->cp_mode == RADEON_CSQ_PRIDIS_INDDIS) {
1870		DRM_DEBUG("called with bogus CP mode (%d)\n",
1871		    dev_priv->cp_mode);
1872		return (0);
1873	}
1874
1875	radeon_do_cp_start(dev_priv);
1876
1877	return (0);
1878}
1879
1880/*
1881 * Stop the CP.  The engine must have been idled before calling this
1882 * routine.
1883 */
1884/*ARGSUSED*/
1885int
1886radeon_cp_stop(DRM_IOCTL_ARGS)
1887{
1888	DRM_DEVICE;
1889	drm_radeon_private_t *dev_priv = dev->dev_private;
1890	drm_radeon_cp_stop_t stop;
1891	int ret;
1892
1893	LOCK_TEST_WITH_RETURN(dev, fpriv);
1894
1895	DRM_COPYFROM_WITH_RETURN(&stop, (void *) data, sizeof (stop));
1896
1897	if (!dev_priv->cp_running)
1898		return (0);
1899
1900	/*
1901	 * Flush any pending CP commands.  This ensures any outstanding
1902	 * commands are exectuted by the engine before we turn it off.
1903	 */
1904	if (stop.flush) {
1905		radeon_do_cp_flush(dev_priv);
1906	}
1907
1908	/*
1909	 * If we fail to make the engine go idle, we return an error
1910	 * code so that the DRM ioctl wrapper can try again.
1911	 */
1912	if (stop.idle) {
1913		ret = radeon_do_cp_idle(dev_priv);
1914		if (ret)
1915			return (ret);
1916	}
1917
1918	/*
1919	 * Finally, we can turn off the CP.  If the engine isn't idle,
1920	 * we will get some dropped triangles as they won't be fully
1921	 * rendered before the CP is shut down.
1922	 */
1923	radeon_do_cp_stop(dev_priv);
1924
1925	/* Reset the engine */
1926	(void) radeon_do_engine_reset(dev);
1927
1928	return (0);
1929}
1930
1931void
1932radeon_do_release(drm_device_t *dev)
1933{
1934	drm_radeon_private_t *dev_priv = dev->dev_private;
1935	int i, ret;
1936
1937	if (dev_priv) {
1938		if (dev_priv->cp_running) {
1939			/* Stop the cp */
1940			while ((ret = radeon_do_cp_idle(dev_priv)) != 0) {
1941				DRM_DEBUG("radeon_do_cp_idle %d\n", ret);
1942#ifdef __linux__
1943				schedule();
1944#else
1945#if defined(__FreeBSD__) && __FreeBSD_version > 500000
1946				msleep(&ret, &dev->dev_lock, PZERO,
1947				    "rdnrel", 1);
1948#else
1949#if defined(__SOLARIS__) || defined(sun)
1950				(void) drv_usectohz(5);
1951#else
1952				tsleep(&ret, PZERO, "rdnrel", 1);
1953#endif
1954#endif
1955#endif
1956			}
1957			radeon_do_cp_stop(dev_priv);
1958			(void) radeon_do_engine_reset(dev);
1959		}
1960
1961		/* Disable *all* interrupts */
1962		/* remove this after permanent addmaps */
1963		if (dev_priv->mmio)
1964			RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
1965
1966		if (dev_priv->mmio) {	/* remove all surfaces */
1967			for (i = 0; i < RADEON_MAX_SURFACES; i++) {
1968				RADEON_WRITE(RADEON_SURFACE0_INFO + 16 * i, 0);
1969				RADEON_WRITE(RADEON_SURFACE0_LOWER_BOUND +
1970				    16 * i, 0);
1971				RADEON_WRITE(RADEON_SURFACE0_UPPER_BOUND +
1972				    16 * i, 0);
1973			}
1974		}
1975
1976		/* Free memory heap structures */
1977		radeon_mem_takedown(&(dev_priv->gart_heap));
1978		radeon_mem_takedown(&(dev_priv->fb_heap));
1979
1980		/* deallocate kernel resources */
1981		(void) radeon_do_cleanup_cp(dev);
1982	}
1983}
1984
1985/* Just reset the CP ring.  Called as part of an X Server engine reset. */
1986/*ARGSUSED*/
1987int
1988radeon_cp_reset(DRM_IOCTL_ARGS)
1989{
1990	DRM_DEVICE;
1991	drm_radeon_private_t *dev_priv = dev->dev_private;
1992
1993	LOCK_TEST_WITH_RETURN(dev, fpriv);
1994
1995	if (!dev_priv) {
1996		DRM_DEBUG("radeon_cp_reset called before init done\n");
1997		return (EINVAL);
1998	}
1999
2000	radeon_do_cp_reset(dev_priv);
2001
2002	/* The CP is no longer running after an engine reset */
2003	dev_priv->cp_running = 0;
2004
2005	return (0);
2006}
2007
2008/*ARGSUSED*/
2009int
2010radeon_cp_idle(DRM_IOCTL_ARGS)
2011{
2012	DRM_DEVICE;
2013	drm_radeon_private_t *dev_priv = dev->dev_private;
2014
2015	LOCK_TEST_WITH_RETURN(dev, fpriv);
2016
2017	return (radeon_do_cp_idle(dev_priv));
2018}
2019
2020/* Added by Charl P. Botha to call radeon_do_resume_cp(). */
2021/*ARGSUSED*/
2022int
2023radeon_cp_resume(DRM_IOCTL_ARGS)
2024{
2025	DRM_DEVICE;
2026
2027	return (radeon_do_resume_cp(dev));
2028}
2029
2030/*ARGSUSED*/
2031int
2032radeon_engine_reset(DRM_IOCTL_ARGS)
2033{
2034	DRM_DEVICE;
2035
2036	LOCK_TEST_WITH_RETURN(dev, fpriv);
2037
2038	return (radeon_do_engine_reset(dev));
2039}
2040
2041/*
2042 * Fullscreen mode
2043 */
2044
2045/* KW: Deprecated to say the least: */
2046/*ARGSUSED*/
2047int
2048radeon_fullscreen(DRM_IOCTL_ARGS)
2049{
2050	return (0);
2051}
2052
2053/*
2054 * Freelist management
2055 */
2056
2057/*
2058 * Original comment: FIXME: ROTATE_BUFS is a hack to cycle through
2059 *   bufs until freelist code is used.  Note this hides a problem with
2060 *   the scratch register * (used to keep track of last buffer
2061 *   completed) being written to before * the last buffer has actually
2062 *   completed rendering.
2063 *
2064 * KW:  It's also a good way to find free buffers quickly.
2065 *
2066 * KW: Ideally this loop wouldn't exist, and freelist_get wouldn't
2067 * sleep.  However, bugs in older versions of radeon_accel.c mean that
2068 * we essentially have to do this, else old clients will break.
2069 *
2070 * However, it does leave open a potential deadlock where all the
2071 * buffers are held by other clients, which can't release them because
2072 * they can't get the lock.
2073 */
2074
2075drm_buf_t *
2076radeon_freelist_get(drm_device_t *dev)
2077{
2078	drm_device_dma_t *dma = dev->dma;
2079	drm_radeon_private_t *dev_priv = dev->dev_private;
2080	drm_radeon_buf_priv_t *buf_priv;
2081	drm_buf_t *buf;
2082	int i, t;
2083	int start;
2084
2085	if (++dev_priv->last_buf >= dma->buf_count)
2086		dev_priv->last_buf = 0;
2087
2088	start = dev_priv->last_buf;
2089
2090	for (t = 0; t < dev_priv->usec_timeout; t++) {
2091		u32 done_age = GET_SCRATCH(1);
2092		DRM_DEBUG("done_age = %d\n", done_age);
2093		for (i = start; i < dma->buf_count; i++) {
2094			buf = dma->buflist[i];
2095			buf_priv = buf->dev_private;
2096			if (buf->filp == 0 || (buf->pending &&
2097			    buf_priv->age <= done_age)) {
2098				dev_priv->stats.requested_bufs++;
2099				buf->pending = 0;
2100				return (buf);
2101			}
2102			start = 0;
2103		}
2104
2105		if (t) {
2106			DRM_UDELAY(1);
2107			dev_priv->stats.freelist_loops++;
2108		}
2109	}
2110
2111	DRM_DEBUG("returning NULL!\n");
2112	return (NULL);
2113}
2114
2115#if 0
2116drm_buf_t *
2117radeon_freelist_get(drm_device_t *dev)
2118{
2119	drm_device_dma_t *dma = dev->dma;
2120	drm_radeon_private_t *dev_priv = dev->dev_private;
2121	drm_radeon_buf_priv_t *buf_priv;
2122	drm_buf_t *buf;
2123	int i, t;
2124	int start;
2125	u32 done_age = DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1));
2126
2127	if (++dev_priv->last_buf >= dma->buf_count)
2128		dev_priv->last_buf = 0;
2129
2130	start = dev_priv->last_buf;
2131	dev_priv->stats.freelist_loops++;
2132
2133	for (t = 0; t < 2; t++) {
2134		for (i = start; i < dma->buf_count; i++) {
2135			buf = dma->buflist[i];
2136			buf_priv = buf->dev_private;
2137			if (buf->filp == 0 || (buf->pending &&
2138			    buf_priv->age <= done_age)) {
2139				dev_priv->stats.requested_bufs++;
2140				buf->pending = 0;
2141				return (buf);
2142			}
2143		}
2144		start = 0;
2145	}
2146
2147	return (NULL);
2148}
2149#endif
2150
2151void
2152radeon_freelist_reset(drm_device_t *dev)
2153{
2154	drm_device_dma_t *dma = dev->dma;
2155	drm_radeon_private_t *dev_priv = dev->dev_private;
2156	int i;
2157
2158	dev_priv->last_buf = 0;
2159	for (i = 0; i < dma->buf_count; i++) {
2160		drm_buf_t *buf = dma->buflist[i];
2161		drm_radeon_buf_priv_t *buf_priv = buf->dev_private;
2162		buf_priv->age = 0;
2163	}
2164}
2165
2166/*
2167 * CP command submission
2168 */
2169int
2170radeon_wait_ring(drm_radeon_private_t *dev_priv, int n)
2171{
2172	drm_radeon_ring_buffer_t *ring = &dev_priv->ring;
2173	int i;
2174	u32 last_head = GET_RING_HEAD(dev_priv);
2175
2176	for (i = 0; i < dev_priv->usec_timeout; i++) {
2177		u32 head = GET_RING_HEAD(dev_priv);
2178
2179		ring->space = (head - ring->tail) * sizeof (u32);
2180		if (ring->space <= 0)
2181			ring->space += ring->size;
2182		if (ring->space > n)
2183			return (0);
2184
2185		dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
2186
2187		if (head != last_head)
2188			i = 0;
2189		last_head = head;
2190
2191		DRM_UDELAY(1);
2192	}
2193
2194	/* FIXME: This return value is ignored in the BEGIN_RING macro! */
2195#if RADEON_FIFO_DEBUG
2196	cmn_err(CE_WARN, "radeon_wait_ring failed\n");
2197	radeon_status(dev_priv);
2198	DRM_ERROR("failed!\n");
2199#endif
2200	return (EBUSY);
2201}
2202
2203static int
2204radeon_cp_get_buffers(drm_file_t *filp, drm_device_t *dev, drm_dma_t *d)
2205{
2206	int i;
2207	drm_buf_t *buf;
2208
2209	for (i = d->granted_count; i < d->request_count; i++) {
2210		buf = radeon_freelist_get(dev);
2211		if (!buf)
2212			return (EBUSY);	/* NOTE: broken client */
2213
2214		buf->filp = filp;
2215
2216		if (DRM_COPY_TO_USER(&d->request_indices[i], &buf->idx,
2217		    sizeof (buf->idx)))
2218			return (EFAULT);
2219		if (DRM_COPY_TO_USER(&d->request_sizes[i], &buf->total,
2220		    sizeof (buf->total)))
2221			return (EFAULT);
2222
2223		d->granted_count++;
2224	}
2225	return (0);
2226}
2227
2228/*ARGSUSED*/
2229int
2230radeon_cp_buffers(DRM_IOCTL_ARGS)
2231{
2232	DRM_DEVICE;
2233	drm_device_dma_t *dma = dev->dma;
2234	int ret = 0;
2235	drm_dma_t d;
2236
2237	LOCK_TEST_WITH_RETURN(dev, fpriv);
2238
2239#ifdef _MULTI_DATAMODEL
2240	if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
2241		drm_dma_32_t	dma32;
2242
2243		DRM_COPYFROM_WITH_RETURN(&dma32, (void *)data, sizeof (dma32));
2244		d.context = dma32.context;
2245		d.send_count = dma32.send_count;
2246		d.send_indices = (void *)(uintptr_t)dma32.send_indices;
2247		d.send_sizes = (void *)(uintptr_t)dma32.send_sizes;
2248		d.flags = dma32.flags;
2249		d.request_count = dma32.request_count;
2250		d.request_size = dma32.request_size;
2251		d.request_indices = (void *)(uintptr_t)dma32.request_indices;
2252		d.request_sizes = (void *)(uintptr_t)dma32.request_sizes;
2253		d.granted_count = dma32.granted_count;
2254	} else {
2255#endif
2256		DRM_COPYFROM_WITH_RETURN(&d, (void *)data, sizeof (d));
2257#ifdef _MULTI_DATAMODEL
2258	}
2259#endif
2260	/* Please don't send us buffers. */
2261	if (d.send_count != 0) {
2262		DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n",
2263		    DRM_CURRENTPID, d.send_count);
2264		return (EINVAL);
2265	}
2266
2267	/* We'll send you buffers. */
2268	if (d.request_count < 0 || d.request_count > dma->buf_count) {
2269		DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n",
2270		    DRM_CURRENTPID, d.request_count, dma->buf_count);
2271		return (EINVAL);
2272	}
2273
2274	d.granted_count = 0;
2275
2276	if (d.request_count) {
2277		ret = radeon_cp_get_buffers(fpriv, dev, &d);
2278	}
2279
2280#ifdef _MULTI_DATAMODEL
2281	if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
2282		drm_dma_32_t	dma32;
2283
2284		dma32.context = d.context;
2285		dma32.send_count = d.send_count;
2286		dma32.send_indices = (uintptr_t)d.send_indices;
2287		dma32.send_sizes = (uintptr_t)d.send_sizes;
2288		dma32.flags = d.flags;
2289		dma32.request_count = d.request_count;
2290		dma32.request_size = d.request_size;
2291		dma32.request_indices = (uintptr_t)d.request_indices;
2292		dma32.request_sizes = (uintptr_t)d.request_sizes;
2293		dma32.granted_count = d.granted_count;
2294		DRM_COPYTO_WITH_RETURN((void *)data, &dma32, sizeof (dma32));
2295	} else {
2296#endif
2297		DRM_COPYTO_WITH_RETURN((void *)data, &d, sizeof (d));
2298#ifdef _MULTI_DATAMODEL
2299	}
2300#endif
2301	return (ret);
2302}
2303
2304int
2305radeon_driver_load(struct drm_device *dev, unsigned long flags)
2306{
2307	drm_radeon_private_t *dev_priv;
2308	int ret = 0;
2309
2310	dev_priv = drm_alloc(sizeof (drm_radeon_private_t), DRM_MEM_DRIVER);
2311	if (dev_priv == NULL)
2312		return (ENOMEM);
2313
2314	(void) memset(dev_priv, 0, sizeof (drm_radeon_private_t));
2315	dev->dev_private = (void *)dev_priv;
2316	dev_priv->flags = (int)flags;
2317
2318	switch (flags & RADEON_FAMILY_MASK) {
2319	case CHIP_R100:
2320	case CHIP_RV200:
2321	case CHIP_R200:
2322	case CHIP_R300:
2323	case CHIP_R350:
2324	case CHIP_R420:
2325	case CHIP_RV410:
2326		dev_priv->flags |= RADEON_HAS_HIERZ;
2327		break;
2328	default:
2329		/* all other chips have no hierarchical z buffer */
2330		break;
2331	}
2332
2333	if (drm_device_is_agp(dev))
2334		dev_priv->flags |= RADEON_IS_AGP;
2335	else if (drm_device_is_pcie(dev))
2336		dev_priv->flags |= RADEON_IS_PCIE;
2337	else
2338		dev_priv->flags |= RADEON_IS_PCI;
2339
2340	return (ret);
2341}
2342
2343/*
2344 * Create mappings for registers and framebuffer so userland doesn't necessarily
2345 * have to find them.
2346 */
2347int
2348radeon_driver_firstopen(struct drm_device *dev)
2349{
2350	int ret;
2351	drm_local_map_t *map;
2352	drm_radeon_private_t *dev_priv = dev->dev_private;
2353
2354	/* dev_priv->gart_info.table_size = RADEON_PCIGART_TABLE_SIZE; */
2355
2356	ret = drm_addmap(dev, (uint_t)drm_get_resource_start(dev, 2),
2357	    (uint_t)drm_get_resource_len(dev, 2), _DRM_REGISTERS,
2358	    _DRM_READ_ONLY, &dev_priv->mmio);
2359
2360	if (ret != 0) {
2361		cmn_err(CE_WARN, "radeon_driver_firstopen: "
2362		    "failed to mmap BAR2 addr=0x%x, len=0x%x",
2363		    (uint_t)drm_get_resource_start(dev, 2),
2364		    (uint_t)drm_get_resource_len(dev, 2));
2365		return (ret);
2366	}
2367
2368	ret = drm_addmap(dev, (uint_t)drm_get_resource_start(dev, 0),
2369	    (uint_t)drm_get_resource_len(dev, 0), _DRM_FRAME_BUFFER,
2370	    _DRM_WRITE_COMBINING, &map);
2371	if (ret != 0)
2372		return (ret);
2373
2374	return (0);
2375}
2376
2377int
2378radeon_driver_unload(struct drm_device *dev)
2379{
2380	drm_radeon_private_t *dev_priv = dev->dev_private;
2381
2382	DRM_DEBUG("\n");
2383	drm_free(dev_priv, sizeof (*dev_priv), DRM_MEM_DRIVER);
2384
2385	dev->dev_private = NULL;
2386	return (0);
2387}
2388