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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
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33
34 #include "dev/drm/drmP.h"
35 #include "dev/drm/drm.h"
36 #include "dev/drm/radeon_drm.h"
37 #include "dev/drm/radeon_drv.h"
38 #include "dev/drm/r300_reg.h"
39
40 #define RADEON_FIFO_DEBUG       0
41
42 static int radeon_do_cleanup_cp(drm_device_t * dev);
43
44 /* CP microcode (from ATI) */
45 static u32 R200_cp_microcode[][2] = {
46         {0x21007000, 0000000000},
47         {0x20007000, 0000000000},
48         {0x000000ab, 0x00000004},
49         {0x000000af, 0x00000004},
50         {0x66544a49, 0000000000},
51         {0x49494174, 0000000000},
52         {0x54517d83, 0000000000},
53         {0x498d8b64, 0000000000},
54         {0x49494949, 0000000000},
55         {0x49da493c, 0000000000},
56         {0x49989898, 0000000000},
57         {0xd34949d5, 0000000000},
58         {0x9dc90e11, 0000000000},
59         {0xce9b9b9b, 0000000000},
60         {0x000f0000, 0x00000016},
61         {0x352e232c, 0000000000},
62         {0x00000013, 0x00000004},
63         {0x000f0000, 0x00000016},
64         {0x352e272c, 0000000000},
65         {0x000f0001, 0x00000016},
66         {0x3239362f, 0000000000},
67         {0x000077ef, 0x00000002},
68         {0x00061000, 0x00000002},
69         {0x00000020, 0x0000001a},
70         {0x00004000, 0x0000001e},
71         {0x00061000, 0x00000002},
72         {0x00000020, 0x0000001a},
73         {0x00004000, 0x0000001e},
74         {0x00061000, 0x00000002},
75         {0x00000020, 0x0000001a},
76         {0x00004000, 0x0000001e},
77         {0x00000016, 0x00000004},
78         {0x0003802a, 0x00000002},
79         {0x040067e0, 0x00000002},
80         {0x00000016, 0x00000004},
81         {0x000077e0, 0x00000002},
82         {0x00065000, 0x00000002},
83         {0x000037e1, 0x00000002},
84         {0x040067e1, 0x00000006},
85         {0x000077e0, 0x00000002},
86         {0x000077e1, 0x00000002},
87         {0x000077e1, 0x00000006},
88         {0xffffffff, 0000000000},
89         {0x10000000, 0000000000},
90         {0x0003802a, 0x00000002},
91         {0x040067e0, 0x00000006},
92         {0x00007675, 0x00000002},
93         {0x00007676, 0x00000002},
94         {0x00007677, 0x00000002},
95         {0x00007678, 0x00000006},
96         {0x0003802b, 0x00000002},
97         {0x04002676, 0x00000002},
98         {0x00007677, 0x00000002},
99         {0x00007678, 0x00000006},
100         {0x0000002e, 0x00000018},
101         {0x0000002e, 0x00000018},
102         {0000000000, 0x00000006},
103         {0x0000002f, 0x00000018},
104         {0x0000002f, 0x00000018},
105         {0000000000, 0x00000006},
106         {0x01605000, 0x00000002},
107         {0x00065000, 0x00000002},
108         {0x00098000, 0x00000002},
109         {0x00061000, 0x00000002},
110         {0x64c0603d, 0x00000004},
111         {0x00080000, 0x00000016},
112         {0000000000, 0000000000},
113         {0x0400251d, 0x00000002},
114         {0x00007580, 0x00000002},
115         {0x00067581, 0x00000002},
116         {0x04002580, 0x00000002},
117         {0x00067581, 0x00000002},
118         {0x00000046, 0x00000004},
119         {0x00005000, 0000000000},
120         {0x00061000, 0x00000002},
121         {0x0000750e, 0x00000002},
122         {0x00019000, 0x00000002},
123         {0x00011055, 0x00000014},
124         {0x00000055, 0x00000012},
125         {0x0400250f, 0x00000002},
126         {0x0000504a, 0x00000004},
127         {0x00007565, 0x00000002},
128         {0x00007566, 0x00000002},
129         {0x00000051, 0x00000004},
130         {0x01e655b4, 0x00000002},
131         {0x4401b0dc, 0x00000002},
132         {0x01c110dc, 0x00000002},
133         {0x2666705d, 0x00000018},
134         {0x040c2565, 0x00000002},
135         {0x0000005d, 0x00000018},
136         {0x04002564, 0x00000002},
137         {0x00007566, 0x00000002},
138         {0x00000054, 0x00000004},
139         {0x00401060, 0x00000008},
140         {0x00101000, 0x00000002},
141         {0x000d80ff, 0x00000002},
142         {0x00800063, 0x00000008},
143         {0x000f9000, 0x00000002},
144         {0x000e00ff, 0x00000002},
145         {0000000000, 0x00000006},
146         {0x00000080, 0x00000018},
147         {0x00000054, 0x00000004},
148         {0x00007576, 0x00000002},
149         {0x00065000, 0x00000002},
150         {0x00009000, 0x00000002},
151         {0x00041000, 0x00000002},
152         {0x0c00350e, 0x00000002},
153         {0x00049000, 0x00000002},
154         {0x00051000, 0x00000002},
155         {0x01e785f8, 0x00000002},
156         {0x00200000, 0x00000002},
157         {0x00600073, 0x0000000c},
158         {0x00007563, 0x00000002},
159         {0x006075f0, 0x00000021},
160         {0x20007068, 0x00000004},
161         {0x00005068, 0x00000004},
162         {0x00007576, 0x00000002},
163         {0x00007577, 0x00000002},
164         {0x0000750e, 0x00000002},
165         {0x0000750f, 0x00000002},
166         {0x00a05000, 0x00000002},
167         {0x00600076, 0x0000000c},
168         {0x006075f0, 0x00000021},
169         {0x000075f8, 0x00000002},
170         {0x00000076, 0x00000004},
171         {0x000a750e, 0x00000002},
172         {0x0020750f, 0x00000002},
173         {0x00600079, 0x00000004},
174         {0x00007570, 0x00000002},
175         {0x00007571, 0x00000002},
176         {0x00007572, 0x00000006},
177         {0x00005000, 0x00000002},
178         {0x00a05000, 0x00000002},
179         {0x00007568, 0x00000002},
180         {0x00061000, 0x00000002},
181         {0x00000084, 0x0000000c},
182         {0x00058000, 0x00000002},
183         {0x0c607562, 0x00000002},
184         {0x00000086, 0x00000004},
185         {0x00600085, 0x00000004},
186         {0x400070dd, 0000000000},
187         {0x000380dd, 0x00000002},
188         {0x00000093, 0x0000001c},
189         {0x00065095, 0x00000018},
190         {0x040025bb, 0x00000002},
191         {0x00061096, 0x00000018},
192         {0x040075bc, 0000000000},
193         {0x000075bb, 0x00000002},
194         {0x000075bc, 0000000000},
195         {0x00090000, 0x00000006},
196         {0x00090000, 0x00000002},
197         {0x000d8002, 0x00000006},
198         {0x00005000, 0x00000002},
199         {0x00007821, 0x00000002},
200         {0x00007800, 0000000000},
201         {0x00007821, 0x00000002},
202         {0x00007800, 0000000000},
203         {0x01665000, 0x00000002},
204         {0x000a0000, 0x00000002},
205         {0x000671cc, 0x00000002},
206         {0x0286f1cd, 0x00000002},
207         {0x000000a3, 0x00000010},
208         {0x21007000, 0000000000},
209         {0x000000aa, 0x0000001c},
210         {0x00065000, 0x00000002},
211         {0x000a0000, 0x00000002},
212         {0x00061000, 0x00000002},
213         {0x000b0000, 0x00000002},
214         {0x38067000, 0x00000002},
215         {0x000a00a6, 0x00000004},
216         {0x20007000, 0000000000},
217         {0x01200000, 0x00000002},
218         {0x20077000, 0x00000002},
219         {0x01200000, 0x00000002},
220         {0x20007000, 0000000000},
221         {0x00061000, 0x00000002},
222         {0x0120751b, 0x00000002},
223         {0x8040750a, 0x00000002},
224         {0x8040750b, 0x00000002},
225         {0x00110000, 0x00000002},
226         {0x000380dd, 0x00000002},
227         {0x000000bd, 0x0000001c},
228         {0x00061096, 0x00000018},
229         {0x844075bd, 0x00000002},
230         {0x00061095, 0x00000018},
231         {0x840075bb, 0x00000002},
232         {0x00061096, 0x00000018},
233         {0x844075bc, 0x00000002},
234         {0x000000c0, 0x00000004},
235         {0x804075bd, 0x00000002},
236         {0x800075bb, 0x00000002},
237         {0x804075bc, 0x00000002},
238         {0x00108000, 0x00000002},
239         {0x01400000, 0x00000002},
240         {0x006000c4, 0x0000000c},
241         {0x20c07000, 0x00000020},
242         {0x000000c6, 0x00000012},
243         {0x00800000, 0x00000006},
244         {0x0080751d, 0x00000006},
245         {0x000025bb, 0x00000002},
246         {0x000040c0, 0x00000004},
247         {0x0000775c, 0x00000002},
248         {0x00a05000, 0x00000002},
249         {0x00661000, 0x00000002},
250         {0x0460275d, 0x00000020},
251         {0x00004000, 0000000000},
252         {0x00007999, 0x00000002},
253         {0x00a05000, 0x00000002},
254         {0x00661000, 0x00000002},
255         {0x0460299b, 0x00000020},
256         {0x00004000, 0000000000},
257         {0x01e00830, 0x00000002},
258         {0x21007000, 0000000000},
259         {0x00005000, 0x00000002},
260         {0x00038042, 0x00000002},
261         {0x040025e0, 0x00000002},
262         {0x000075e1, 0000000000},
263         {0x00000001, 0000000000},
264         {0x000380d9, 0x00000002},
265         {0x04007394, 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         {0000000000, 0000000000},
302 };
303
304 static u32 radeon_cp_microcode[][2] = {
305         {0x21007000, 0000000000},
306         {0x20007000, 0000000000},
307         {0x000000b4, 0x00000004},
308         {0x000000b8, 0x00000004},
309         {0x6f5b4d4c, 0000000000},
310         {0x4c4c427f, 0000000000},
311         {0x5b568a92, 0000000000},
312         {0x4ca09c6d, 0000000000},
313         {0xad4c4c4c, 0000000000},
314         {0x4ce1af3d, 0000000000},
315         {0xd8afafaf, 0000000000},
316         {0xd64c4cdc, 0000000000},
317         {0x4cd10d10, 0000000000},
318         {0x000f0000, 0x00000016},
319         {0x362f242d, 0000000000},
320         {0x00000012, 0x00000004},
321         {0x000f0000, 0x00000016},
322         {0x362f282d, 0000000000},
323         {0x000380e7, 0x00000002},
324         {0x04002c97, 0x00000002},
325         {0x000f0001, 0x00000016},
326         {0x333a3730, 0000000000},
327         {0x000077ef, 0x00000002},
328         {0x00061000, 0x00000002},
329         {0x00000021, 0x0000001a},
330         {0x00004000, 0x0000001e},
331         {0x00061000, 0x00000002},
332         {0x00000021, 0x0000001a},
333         {0x00004000, 0x0000001e},
334         {0x00061000, 0x00000002},
335         {0x00000021, 0x0000001a},
336         {0x00004000, 0x0000001e},
337         {0x00000017, 0x00000004},
338         {0x0003802b, 0x00000002},
339         {0x040067e0, 0x00000002},
340         {0x00000017, 0x00000004},
341         {0x000077e0, 0x00000002},
342         {0x00065000, 0x00000002},
343         {0x000037e1, 0x00000002},
344         {0x040067e1, 0x00000006},
345         {0x000077e0, 0x00000002},
346         {0x000077e1, 0x00000002},
347         {0x000077e1, 0x00000006},
348         {0xffffffff, 0000000000},
349         {0x10000000, 0000000000},
350         {0x0003802b, 0x00000002},
351         {0x040067e0, 0x00000006},
352         {0x00007675, 0x00000002},
353         {0x00007676, 0x00000002},
354         {0x00007677, 0x00000002},
355         {0x00007678, 0x00000006},
356         {0x0003802c, 0x00000002},
357         {0x04002676, 0x00000002},
358         {0x00007677, 0x00000002},
359         {0x00007678, 0x00000006},
360         {0x0000002f, 0x00000018},
361         {0x0000002f, 0x00000018},
362         {0000000000, 0x00000006},
363         {0x00000030, 0x00000018},
364         {0x00000030, 0x00000018},
365         {0000000000, 0x00000006},
366         {0x01605000, 0x00000002},
367         {0x00065000, 0x00000002},
368         {0x00098000, 0x00000002},
369         {0x00061000, 0x00000002},
370         {0x64c0603e, 0x00000004},
371         {0x000380e6, 0x00000002},
372         {0x040025c5, 0x00000002},
373         {0x00080000, 0x00000016},
374         {0000000000, 0000000000},
375         {0x0400251d, 0x00000002},
376         {0x00007580, 0x00000002},
377         {0x00067581, 0x00000002},
378         {0x04002580, 0x00000002},
379         {0x00067581, 0x00000002},
380         {0x00000049, 0x00000004},
381         {0x00005000, 0000000000},
382         {0x000380e6, 0x00000002},
383         {0x040025c5, 0x00000002},
384         {0x00061000, 0x00000002},
385         {0x0000750e, 0x00000002},
386         {0x00019000, 0x00000002},
387         {0x00011055, 0x00000014},
388         {0x00000055, 0x00000012},
389         {0x0400250f, 0x00000002},
390         {0x0000504f, 0x00000004},
391         {0x000380e6, 0x00000002},
392         {0x040025c5, 0x00000002},
393         {0x00007565, 0x00000002},
394         {0x00007566, 0x00000002},
395         {0x00000058, 0x00000004},
396         {0x000380e6, 0x00000002},
397         {0x040025c5, 0x00000002},
398         {0x01e655b4, 0x00000002},
399         {0x4401b0e4, 0x00000002},
400         {0x01c110e4, 0x00000002},
401         {0x26667066, 0x00000018},
402         {0x040c2565, 0x00000002},
403         {0x00000066, 0x00000018},
404         {0x04002564, 0x00000002},
405         {0x00007566, 0x00000002},
406         {0x0000005d, 0x00000004},
407         {0x00401069, 0x00000008},
408         {0x00101000, 0x00000002},
409         {0x000d80ff, 0x00000002},
410         {0x0080006c, 0x00000008},
411         {0x000f9000, 0x00000002},
412         {0x000e00ff, 0x00000002},
413         {0000000000, 0x00000006},
414         {0x0000008f, 0x00000018},
415         {0x0000005b, 0x00000004},
416         {0x000380e6, 0x00000002},
417         {0x040025c5, 0x00000002},
418         {0x00007576, 0x00000002},
419         {0x00065000, 0x00000002},
420         {0x00009000, 0x00000002},
421         {0x00041000, 0x00000002},
422         {0x0c00350e, 0x00000002},
423         {0x00049000, 0x00000002},
424         {0x00051000, 0x00000002},
425         {0x01e785f8, 0x00000002},
426         {0x00200000, 0x00000002},
427         {0x0060007e, 0x0000000c},
428         {0x00007563, 0x00000002},
429         {0x006075f0, 0x00000021},
430         {0x20007073, 0x00000004},
431         {0x00005073, 0x00000004},
432         {0x000380e6, 0x00000002},
433         {0x040025c5, 0x00000002},
434         {0x00007576, 0x00000002},
435         {0x00007577, 0x00000002},
436         {0x0000750e, 0x00000002},
437         {0x0000750f, 0x00000002},
438         {0x00a05000, 0x00000002},
439         {0x00600083, 0x0000000c},
440         {0x006075f0, 0x00000021},
441         {0x000075f8, 0x00000002},
442         {0x00000083, 0x00000004},
443         {0x000a750e, 0x00000002},
444         {0x000380e6, 0x00000002},
445         {0x040025c5, 0x00000002},
446         {0x0020750f, 0x00000002},
447         {0x00600086, 0x00000004},
448         {0x00007570, 0x00000002},
449         {0x00007571, 0x00000002},
450         {0x00007572, 0x00000006},
451         {0x000380e6, 0x00000002},
452         {0x040025c5, 0x00000002},
453         {0x00005000, 0x00000002},
454         {0x00a05000, 0x00000002},
455         {0x00007568, 0x00000002},
456         {0x00061000, 0x00000002},
457         {0x00000095, 0x0000000c},
458         {0x00058000, 0x00000002},
459         {0x0c607562, 0x00000002},
460         {0x00000097, 0x00000004},
461         {0x000380e6, 0x00000002},
462         {0x040025c5, 0x00000002},
463         {0x00600096, 0x00000004},
464         {0x400070e5, 0000000000},
465         {0x000380e6, 0x00000002},
466         {0x040025c5, 0x00000002},
467         {0x000380e5, 0x00000002},
468         {0x000000a8, 0x0000001c},
469         {0x000650aa, 0x00000018},
470         {0x040025bb, 0x00000002},
471         {0x000610ab, 0x00000018},
472         {0x040075bc, 0000000000},
473         {0x000075bb, 0x00000002},
474         {0x000075bc, 0000000000},
475         {0x00090000, 0x00000006},
476         {0x00090000, 0x00000002},
477         {0x000d8002, 0x00000006},
478         {0x00007832, 0x00000002},
479         {0x00005000, 0x00000002},
480         {0x000380e7, 0x00000002},
481         {0x04002c97, 0x00000002},
482         {0x00007820, 0x00000002},
483         {0x00007821, 0x00000002},
484         {0x00007800, 0000000000},
485         {0x01200000, 0x00000002},
486         {0x20077000, 0x00000002},
487         {0x01200000, 0x00000002},
488         {0x20007000, 0x00000002},
489         {0x00061000, 0x00000002},
490         {0x0120751b, 0x00000002},
491         {0x8040750a, 0x00000002},
492         {0x8040750b, 0x00000002},
493         {0x00110000, 0x00000002},
494         {0x000380e5, 0x00000002},
495         {0x000000c6, 0x0000001c},
496         {0x000610ab, 0x00000018},
497         {0x844075bd, 0x00000002},
498         {0x000610aa, 0x00000018},
499         {0x840075bb, 0x00000002},
500         {0x000610ab, 0x00000018},
501         {0x844075bc, 0x00000002},
502         {0x000000c9, 0x00000004},
503         {0x804075bd, 0x00000002},
504         {0x800075bb, 0x00000002},
505         {0x804075bc, 0x00000002},
506         {0x00108000, 0x00000002},
507         {0x01400000, 0x00000002},
508         {0x006000cd, 0x0000000c},
509         {0x20c07000, 0x00000020},
510         {0x000000cf, 0x00000012},
511         {0x00800000, 0x00000006},
512         {0x0080751d, 0x00000006},
513         {0000000000, 0000000000},
514         {0x0000775c, 0x00000002},
515         {0x00a05000, 0x00000002},
516         {0x00661000, 0x00000002},
517         {0x0460275d, 0x00000020},
518         {0x00004000, 0000000000},
519         {0x01e00830, 0x00000002},
520         {0x21007000, 0000000000},
521         {0x6464614d, 0000000000},
522         {0x69687420, 0000000000},
523         {0x00000073, 0000000000},
524         {0000000000, 0000000000},
525         {0x00005000, 0x00000002},
526         {0x000380d0, 0x00000002},
527         {0x040025e0, 0x00000002},
528         {0x000075e1, 0000000000},
529         {0x00000001, 0000000000},
530         {0x000380e0, 0x00000002},
531         {0x04002394, 0x00000002},
532         {0x00005000, 0000000000},
533         {0000000000, 0000000000},
534         {0000000000, 0000000000},
535         {0x00000008, 0000000000},
536         {0x00000004, 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         {0000000000, 0000000000},
561 };
562
563 static u32 R300_cp_microcode[][2] = {
564         { 0x4200e000, 0000000000 },
565         { 0x4000e000, 0000000000 },
566         { 0x000000af, 0x00000008 },
567         { 0x000000b3, 0x00000008 },
568         { 0x6c5a504f, 0000000000 },
569         { 0x4f4f497a, 0000000000 },
570         { 0x5a578288, 0000000000 },
571         { 0x4f91906a, 0000000000 },
572         { 0x4f4f4f4f, 0000000000 },
573         { 0x4fe24f44, 0000000000 },
574         { 0x4f9c9c9c, 0000000000 },
575         { 0xdc4f4fde, 0000000000 },
576         { 0xa1cd4f4f, 0000000000 },
577         { 0xd29d9d9d, 0000000000 },
578         { 0x4f0f9fd7, 0000000000 },
579         { 0x000ca000, 0x00000004 },
580         { 0x000d0012, 0x00000038 },
581         { 0x0000e8b4, 0x00000004 },
582         { 0x000d0014, 0x00000038 },
583         { 0x0000e8b6, 0x00000004 },
584         { 0x000d0016, 0x00000038 },
585         { 0x0000e854, 0x00000004 },
586         { 0x000d0018, 0x00000038 },
587         { 0x0000e855, 0x00000004 },
588         { 0x000d001a, 0x00000038 },
589         { 0x0000e856, 0x00000004 },
590         { 0x000d001c, 0x00000038 },
591         { 0x0000e857, 0x00000004 },
592         { 0x000d001e, 0x00000038 },
593         { 0x0000e824, 0x00000004 },
594         { 0x000d0020, 0x00000038 },
595         { 0x0000e825, 0x00000004 },
596         { 0x000d0022, 0x00000038 },
597         { 0x0000e830, 0x00000004 },
598         { 0x000d0024, 0x00000038 },
599         { 0x0000f0c0, 0x00000004 },
600         { 0x000d0026, 0x00000038 },
601         { 0x0000f0c1, 0x00000004 },
602         { 0x000d0028, 0x00000038 },
603         { 0x0000f041, 0x00000004 },
604         { 0x000d002a, 0x00000038 },
605         { 0x0000f184, 0x00000004 },
606         { 0x000d002c, 0x00000038 },
607         { 0x0000f185, 0x00000004 },
608         { 0x000d002e, 0x00000038 },
609         { 0x0000f186, 0x00000004 },
610         { 0x000d0030, 0x00000038 },
611         { 0x0000f187, 0x00000004 },
612         { 0x000d0032, 0x00000038 },
613         { 0x0000f180, 0x00000004 },
614         { 0x000d0034, 0x00000038 },
615         { 0x0000f393, 0x00000004 },
616         { 0x000d0036, 0x00000038 },
617         { 0x0000f38a, 0x00000004 },
618         { 0x000d0038, 0x00000038 },
619         { 0x0000f38e, 0x00000004 },
620         { 0x0000e821, 0x00000004 },
621         { 0x0140a000, 0x00000004 },
622         { 0x00000043, 0x00000018 },
623         { 0x00cce800, 0x00000004 },
624         { 0x001b0001, 0x00000004 },
625         { 0x08004800, 0x00000004 },
626         { 0x001b0001, 0x00000004 },
627         { 0x08004800, 0x00000004 },
628         { 0x001b0001, 0x00000004 },
629         { 0x08004800, 0x00000004 },
630         { 0x0000003a, 0x00000008 },
631         { 0x0000a000, 0000000000 },
632         { 0x02c0a000, 0x00000004 },
633         { 0x000ca000, 0x00000004 },
634         { 0x00130000, 0x00000004 },
635         { 0x000c2000, 0x00000004 },
636         { 0xc980c045, 0x00000008 },
637         { 0x2000451d, 0x00000004 },
638         { 0x0000e580, 0x00000004 },
639         { 0x000ce581, 0x00000004 },
640         { 0x08004580, 0x00000004 },
641         { 0x000ce581, 0x00000004 },
642         { 0x0000004c, 0x00000008 },
643         { 0x0000a000, 0000000000 },
644         { 0x000c2000, 0x00000004 },
645         { 0x0000e50e, 0x00000004 },
646         { 0x00032000, 0x00000004 },
647         { 0x00022056, 0x00000028 },
648         { 0x00000056, 0x00000024 },
649         { 0x0800450f, 0x00000004 },
650         { 0x0000a050, 0x00000008 },
651         { 0x0000e565, 0x00000004 },
652         { 0x0000e566, 0x00000004 },
653         { 0x00000057, 0x00000008 },
654         { 0x03cca5b4, 0x00000004 },
655         { 0x05432000, 0x00000004 },
656         { 0x00022000, 0x00000004 },
657         { 0x4ccce063, 0x00000030 },
658         { 0x08274565, 0x00000004 },
659         { 0x00000063, 0x00000030 },
660         { 0x08004564, 0x00000004 },
661         { 0x0000e566, 0x00000004 },
662         { 0x0000005a, 0x00000008 },
663         { 0x00802066, 0x00000010 },
664         { 0x00202000, 0x00000004 },
665         { 0x001b00ff, 0x00000004 },
666         { 0x01000069, 0x00000010 },
667         { 0x001f2000, 0x00000004 },
668         { 0x001c00ff, 0x00000004 },
669         { 0000000000, 0x0000000c },
670         { 0x00000085, 0x00000030 },
671         { 0x0000005a, 0x00000008 },
672         { 0x0000e576, 0x00000004 },
673         { 0x000ca000, 0x00000004 },
674         { 0x00012000, 0x00000004 },
675         { 0x00082000, 0x00000004 },
676         { 0x1800650e, 0x00000004 },
677         { 0x00092000, 0x00000004 },
678         { 0x000a2000, 0x00000004 },
679         { 0x000f0000, 0x00000004 },
680         { 0x00400000, 0x00000004 },
681         { 0x00000079, 0x00000018 },
682         { 0x0000e563, 0x00000004 },
683         { 0x00c0e5f9, 0x000000c2 },
684         { 0x0000006e, 0x00000008 },
685         { 0x0000a06e, 0x00000008 },
686         { 0x0000e576, 0x00000004 },
687         { 0x0000e577, 0x00000004 },
688         { 0x0000e50e, 0x00000004 },
689         { 0x0000e50f, 0x00000004 },
690         { 0x0140a000, 0x00000004 },
691         { 0x0000007c, 0x00000018 },
692         { 0x00c0e5f9, 0x000000c2 },
693         { 0x0000007c, 0x00000008 },
694         { 0x0014e50e, 0x00000004 },
695         { 0x0040e50f, 0x00000004 },
696         { 0x00c0007f, 0x00000008 },
697         { 0x0000e570, 0x00000004 },
698         { 0x0000e571, 0x00000004 },
699         { 0x0000e572, 0x0000000c },
700         { 0x0000a000, 0x00000004 },
701         { 0x0140a000, 0x00000004 }, 
702         { 0x0000e568, 0x00000004 },
703         { 0x000c2000, 0x00000004 },
704         { 0x00000089, 0x00000018 },
705         { 0x000b0000, 0x00000004 },
706         { 0x18c0e562, 0x00000004 },
707         { 0x0000008b, 0x00000008 },
708         { 0x00c0008a, 0x00000008 },
709         { 0x000700e4, 0x00000004 },
710         { 0x00000097, 0x00000038 },
711         { 0x000ca099, 0x00000030 },
712         { 0x080045bb, 0x00000004 },
713         { 0x000c209a, 0x00000030 },
714         { 0x0800e5bc, 0000000000 },
715         { 0x0000e5bb, 0x00000004 },
716         { 0x0000e5bc, 0000000000 },
717         { 0x00120000, 0x0000000c },
718         { 0x00120000, 0x00000004 },
719         { 0x001b0002, 0x0000000c },
720         { 0x0000a000, 0x00000004 },
721         { 0x0000e821, 0x00000004 },
722         { 0x0000e800, 0000000000 },
723         { 0x0000e821, 0x00000004 },
724         { 0x0000e82e, 0000000000 },
725         { 0x02cca000, 0x00000004 },
726         { 0x00140000, 0x00000004 },
727         { 0x000ce1cc, 0x00000004 },
728         { 0x050de1cd, 0x00000004 },
729         { 0x000000a7, 0x00000020 },
730         { 0x4200e000, 0000000000 },
731         { 0x000000ae, 0x00000038 },
732         { 0x000ca000, 0x00000004 },
733         { 0x00140000, 0x00000004 },
734         { 0x000c2000, 0x00000004 },
735         { 0x00160000, 0x00000004 },
736         { 0x700ce000, 0x00000004 },
737         { 0x001400aa, 0x00000008 },
738         { 0x4000e000, 0000000000 },
739         { 0x02400000, 0x00000004 },
740         { 0x400ee000, 0x00000004 },
741         { 0x02400000, 0x00000004 },
742         { 0x4000e000, 0000000000 },
743         { 0x000c2000, 0x00000004 },
744         { 0x0240e51b, 0x00000004 },
745         { 0x0080e50a, 0x00000005 },
746         { 0x0080e50b, 0x00000005 },
747         { 0x00220000, 0x00000004 },
748         { 0x000700e4, 0x00000004 },
749         { 0x000000c1, 0x00000038 },
750         { 0x000c209a, 0x00000030 },
751         { 0x0880e5bd, 0x00000005 },
752         { 0x000c2099, 0x00000030 },
753         { 0x0800e5bb, 0x00000005 },
754         { 0x000c209a, 0x00000030 },
755         { 0x0880e5bc, 0x00000005 },
756         { 0x000000c4, 0x00000008 },
757         { 0x0080e5bd, 0x00000005 },
758         { 0x0000e5bb, 0x00000005 },
759         { 0x0080e5bc, 0x00000005 },
760         { 0x00210000, 0x00000004 },
761         { 0x02800000, 0x00000004 },
762         { 0x00c000c8, 0x00000018 },
763         { 0x4180e000, 0x00000040 },
764         { 0x000000ca, 0x00000024 },
765         { 0x01000000, 0x0000000c },
766         { 0x0100e51d, 0x0000000c },
767         { 0x000045bb, 0x00000004 },
768         { 0x000080c4, 0x00000008 },
769         { 0x0000f3ce, 0x00000004 },
770         { 0x0140a000, 0x00000004 },
771         { 0x00cc2000, 0x00000004 },
772         { 0x08c053cf, 0x00000040 },
773         { 0x00008000, 0000000000 },
774         { 0x0000f3d2, 0x00000004 },
775         { 0x0140a000, 0x00000004 },
776         { 0x00cc2000, 0x00000004 },
777         { 0x08c053d3, 0x00000040 },
778         { 0x00008000, 0000000000 },
779         { 0x0000f39d, 0x00000004 },
780         { 0x0140a000, 0x00000004 },
781         { 0x00cc2000, 0x00000004 },
782         { 0x08c0539e, 0x00000040 },
783         { 0x00008000, 0000000000 },
784         { 0x03c00830, 0x00000004 },
785         { 0x4200e000, 0000000000 },
786         { 0x0000a000, 0x00000004 },
787         { 0x200045e0, 0x00000004 },
788         { 0x0000e5e1, 0000000000 },
789         { 0x00000001, 0000000000 },
790         { 0x000700e1, 0x00000004 },
791         { 0x0800e394, 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         { 0000000000, 0000000000 },
820 };
821
822 static int RADEON_READ_PLL(drm_device_t * dev, int addr)
823 {
824         drm_radeon_private_t *dev_priv = dev->dev_private;
825
826         RADEON_WRITE8(RADEON_CLOCK_CNTL_INDEX, addr & 0x1f);
827         return RADEON_READ(RADEON_CLOCK_CNTL_DATA);
828 }
829
830 static int RADEON_READ_PCIE(drm_radeon_private_t *dev_priv, int addr)
831 {
832         RADEON_WRITE8(RADEON_PCIE_INDEX, addr & 0xff);
833         return RADEON_READ(RADEON_PCIE_DATA);
834 }
835
836 #if RADEON_FIFO_DEBUG
837 static void radeon_status(drm_radeon_private_t * dev_priv)
838 {
839         printk("%s:\n", __FUNCTION__);
840         printk("RBBM_STATUS = 0x%08x\n",
841                (unsigned int)RADEON_READ(RADEON_RBBM_STATUS));
842         printk("CP_RB_RTPR = 0x%08x\n",
843                (unsigned int)RADEON_READ(RADEON_CP_RB_RPTR));
844         printk("CP_RB_WTPR = 0x%08x\n",
845                (unsigned int)RADEON_READ(RADEON_CP_RB_WPTR));
846         printk("AIC_CNTL = 0x%08x\n",
847                (unsigned int)RADEON_READ(RADEON_AIC_CNTL));
848         printk("AIC_STAT = 0x%08x\n",
849                (unsigned int)RADEON_READ(RADEON_AIC_STAT));
850         printk("AIC_PT_BASE = 0x%08x\n",
851                (unsigned int)RADEON_READ(RADEON_AIC_PT_BASE));
852         printk("TLB_ADDR = 0x%08x\n",
853                (unsigned int)RADEON_READ(RADEON_AIC_TLB_ADDR));
854         printk("TLB_DATA = 0x%08x\n",
855                (unsigned int)RADEON_READ(RADEON_AIC_TLB_DATA));
856 }
857 #endif
858
859 /* ================================================================
860  * Engine, FIFO control
861  */
862
863 static int radeon_do_pixcache_flush(drm_radeon_private_t * dev_priv)
864 {
865         u32 tmp;
866         int i;
867
868         dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
869
870         tmp = RADEON_READ(RADEON_RB2D_DSTCACHE_CTLSTAT);
871         tmp |= RADEON_RB2D_DC_FLUSH_ALL;
872         RADEON_WRITE(RADEON_RB2D_DSTCACHE_CTLSTAT, tmp);
873
874         for (i = 0; i < dev_priv->usec_timeout; i++) {
875                 if (!(RADEON_READ(RADEON_RB2D_DSTCACHE_CTLSTAT)
876                       & RADEON_RB2D_DC_BUSY)) {
877                         return 0;
878                 }
879                 DRM_UDELAY(1);
880         }
881
882 #if RADEON_FIFO_DEBUG
883         DRM_ERROR("failed!\n");
884         radeon_status(dev_priv);
885 #endif
886         return DRM_ERR(EBUSY);
887 }
888
889 static int radeon_do_wait_for_fifo(drm_radeon_private_t * dev_priv, int entries)
890 {
891         int i;
892
893         dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
894
895         for (i = 0; i < dev_priv->usec_timeout; i++) {
896                 int slots = (RADEON_READ(RADEON_RBBM_STATUS)
897                              & RADEON_RBBM_FIFOCNT_MASK);
898                 if (slots >= entries)
899                         return 0;
900                 DRM_UDELAY(1);
901         }
902
903 #if RADEON_FIFO_DEBUG
904         DRM_ERROR("failed!\n");
905         radeon_status(dev_priv);
906 #endif
907         return DRM_ERR(EBUSY);
908 }
909
910 static int radeon_do_wait_for_idle(drm_radeon_private_t * dev_priv)
911 {
912         int i, ret;
913
914         dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
915
916         ret = radeon_do_wait_for_fifo(dev_priv, 64);
917         if (ret)
918                 return ret;
919
920         for (i = 0; i < dev_priv->usec_timeout; i++) {
921                 if (!(RADEON_READ(RADEON_RBBM_STATUS)
922                       & RADEON_RBBM_ACTIVE)) {
923                         radeon_do_pixcache_flush(dev_priv);
924                         return 0;
925                 }
926                 DRM_UDELAY(1);
927         }
928
929 #if RADEON_FIFO_DEBUG
930         DRM_ERROR("failed!\n");
931         radeon_status(dev_priv);
932 #endif
933         return DRM_ERR(EBUSY);
934 }
935
936 /* ================================================================
937  * CP control, initialization
938  */
939
940 /* Load the microcode for the CP */
941 static void radeon_cp_load_microcode(drm_radeon_private_t * dev_priv)
942 {
943         int i;
944         DRM_DEBUG("\n");
945
946         radeon_do_wait_for_idle(dev_priv);
947
948         RADEON_WRITE(RADEON_CP_ME_RAM_ADDR, 0);
949
950         if (dev_priv->microcode_version == UCODE_R200) {
951                 DRM_INFO("Loading R200 Microcode\n");
952                 for (i = 0; i < 256; i++) {
953                         RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
954                                      R200_cp_microcode[i][1]);
955                         RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
956                                      R200_cp_microcode[i][0]);
957                 }
958         } else if (dev_priv->microcode_version == UCODE_R300) {
959                 DRM_INFO("Loading R300 Microcode\n");
960                 for (i = 0; i < 256; i++) {
961                         RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
962                                      R300_cp_microcode[i][1]);
963                         RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
964                                      R300_cp_microcode[i][0]);
965                 }
966         } else {
967                 for (i = 0; i < 256; i++) {
968                         RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
969                                      radeon_cp_microcode[i][1]);
970                         RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
971                                      radeon_cp_microcode[i][0]);
972                 }
973         }
974 }
975
976 /* Flush any pending commands to the CP.  This should only be used just
977  * prior to a wait for idle, as it informs the engine that the command
978  * stream is ending.
979  */
980 static void radeon_do_cp_flush(drm_radeon_private_t * dev_priv)
981 {
982         DRM_DEBUG("\n");
983 #if 0
984         u32 tmp;
985
986         tmp = RADEON_READ(RADEON_CP_RB_WPTR) | (1 << 31);
987         RADEON_WRITE(RADEON_CP_RB_WPTR, tmp);
988 #endif
989 }
990
991 /* Wait for the CP to go idle.
992  */
993 int radeon_do_cp_idle(drm_radeon_private_t * dev_priv)
994 {
995         RING_LOCALS;
996         DRM_DEBUG("\n");
997
998         BEGIN_RING(6);
999
1000         RADEON_PURGE_CACHE();
1001         RADEON_PURGE_ZCACHE();
1002         RADEON_WAIT_UNTIL_IDLE();
1003
1004         ADVANCE_RING();
1005         COMMIT_RING();
1006
1007         return radeon_do_wait_for_idle(dev_priv);
1008 }
1009
1010 /* Start the Command Processor.
1011  */
1012 static void radeon_do_cp_start(drm_radeon_private_t * dev_priv)
1013 {
1014         RING_LOCALS;
1015         DRM_DEBUG("\n");
1016
1017         radeon_do_wait_for_idle(dev_priv);
1018
1019         RADEON_WRITE(RADEON_CP_CSQ_CNTL, dev_priv->cp_mode);
1020
1021         dev_priv->cp_running = 1;
1022
1023         BEGIN_RING(6);
1024
1025         RADEON_PURGE_CACHE();
1026         RADEON_PURGE_ZCACHE();
1027         RADEON_WAIT_UNTIL_IDLE();
1028
1029         ADVANCE_RING();
1030         COMMIT_RING();
1031 }
1032
1033 /* Reset the Command Processor.  This will not flush any pending
1034  * commands, so you must wait for the CP command stream to complete
1035  * before calling this routine.
1036  */
1037 static void radeon_do_cp_reset(drm_radeon_private_t * dev_priv)
1038 {
1039         u32 cur_read_ptr;
1040         DRM_DEBUG("\n");
1041
1042         cur_read_ptr = RADEON_READ(RADEON_CP_RB_RPTR);
1043         RADEON_WRITE(RADEON_CP_RB_WPTR, cur_read_ptr);
1044         SET_RING_HEAD(dev_priv, cur_read_ptr);
1045         dev_priv->ring.tail = cur_read_ptr;
1046 }
1047
1048 /* Stop the Command Processor.  This will not flush any pending
1049  * commands, so you must flush the command stream and wait for the CP
1050  * to go idle before calling this routine.
1051  */
1052 static void radeon_do_cp_stop(drm_radeon_private_t * dev_priv)
1053 {
1054         DRM_DEBUG("\n");
1055
1056         RADEON_WRITE(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIDIS_INDDIS);
1057
1058         dev_priv->cp_running = 0;
1059 }
1060
1061 /* Reset the engine.  This will stop the CP if it is running.
1062  */
1063 static int radeon_do_engine_reset(drm_device_t * dev)
1064 {
1065         drm_radeon_private_t *dev_priv = dev->dev_private;
1066         u32 clock_cntl_index, mclk_cntl, rbbm_soft_reset;
1067         DRM_DEBUG("\n");
1068
1069         radeon_do_pixcache_flush(dev_priv);
1070
1071         clock_cntl_index = RADEON_READ(RADEON_CLOCK_CNTL_INDEX);
1072         mclk_cntl = RADEON_READ_PLL(dev, RADEON_MCLK_CNTL);
1073
1074         RADEON_WRITE_PLL(RADEON_MCLK_CNTL, (mclk_cntl |
1075                                             RADEON_FORCEON_MCLKA |
1076                                             RADEON_FORCEON_MCLKB |
1077                                             RADEON_FORCEON_YCLKA |
1078                                             RADEON_FORCEON_YCLKB |
1079                                             RADEON_FORCEON_MC |
1080                                             RADEON_FORCEON_AIC));
1081
1082         rbbm_soft_reset = RADEON_READ(RADEON_RBBM_SOFT_RESET);
1083
1084         RADEON_WRITE(RADEON_RBBM_SOFT_RESET, (rbbm_soft_reset |
1085                                               RADEON_SOFT_RESET_CP |
1086                                               RADEON_SOFT_RESET_HI |
1087                                               RADEON_SOFT_RESET_SE |
1088                                               RADEON_SOFT_RESET_RE |
1089                                               RADEON_SOFT_RESET_PP |
1090                                               RADEON_SOFT_RESET_E2 |
1091                                               RADEON_SOFT_RESET_RB));
1092         RADEON_READ(RADEON_RBBM_SOFT_RESET);
1093         RADEON_WRITE(RADEON_RBBM_SOFT_RESET, (rbbm_soft_reset &
1094                                               ~(RADEON_SOFT_RESET_CP |
1095                                                 RADEON_SOFT_RESET_HI |
1096                                                 RADEON_SOFT_RESET_SE |
1097                                                 RADEON_SOFT_RESET_RE |
1098                                                 RADEON_SOFT_RESET_PP |
1099                                                 RADEON_SOFT_RESET_E2 |
1100                                                 RADEON_SOFT_RESET_RB)));
1101         RADEON_READ(RADEON_RBBM_SOFT_RESET);
1102
1103         RADEON_WRITE_PLL(RADEON_MCLK_CNTL, mclk_cntl);
1104         RADEON_WRITE(RADEON_CLOCK_CNTL_INDEX, clock_cntl_index);
1105         RADEON_WRITE(RADEON_RBBM_SOFT_RESET, rbbm_soft_reset);
1106
1107         /* Reset the CP ring */
1108         radeon_do_cp_reset(dev_priv);
1109
1110         /* The CP is no longer running after an engine reset */
1111         dev_priv->cp_running = 0;
1112
1113         /* Reset any pending vertex, indirect buffers */
1114         radeon_freelist_reset(dev);
1115
1116         return 0;
1117 }
1118
1119 static void radeon_cp_init_ring_buffer(drm_device_t * dev,
1120                                        drm_radeon_private_t * dev_priv)
1121 {
1122         u32 ring_start, cur_read_ptr;
1123         u32 tmp;
1124         
1125         /* Initialize the memory controller. With new memory map, the fb location
1126          * is not changed, it should have been properly initialized already. Part
1127          * of the problem is that the code below is bogus, assuming the GART is
1128          * always appended to the fb which is not necessarily the case
1129          */
1130         if (!dev_priv->new_memmap)
1131                 RADEON_WRITE(RADEON_MC_FB_LOCATION,
1132                              ((dev_priv->gart_vm_start - 1) & 0xffff0000)
1133                              | (dev_priv->fb_location >> 16));
1134
1135 #if __OS_HAS_AGP
1136         if (dev_priv->flags & CHIP_IS_AGP) {
1137                 RADEON_WRITE(RADEON_AGP_BASE, (unsigned int)dev->agp->base);
1138                 RADEON_WRITE(RADEON_MC_AGP_LOCATION,
1139                              (((dev_priv->gart_vm_start - 1 +
1140                                 dev_priv->gart_size) & 0xffff0000) |
1141                               (dev_priv->gart_vm_start >> 16)));
1142
1143                 ring_start = (dev_priv->cp_ring->offset
1144                               - dev->agp->base
1145                               + dev_priv->gart_vm_start);
1146         } else
1147 #endif
1148                 ring_start = (dev_priv->cp_ring->offset
1149                               - (unsigned long)dev->sg->virtual
1150                               + dev_priv->gart_vm_start);
1151
1152         RADEON_WRITE(RADEON_CP_RB_BASE, ring_start);
1153
1154         /* Set the write pointer delay */
1155         RADEON_WRITE(RADEON_CP_RB_WPTR_DELAY, 0);
1156
1157         /* Initialize the ring buffer's read and write pointers */
1158         cur_read_ptr = RADEON_READ(RADEON_CP_RB_RPTR);
1159         RADEON_WRITE(RADEON_CP_RB_WPTR, cur_read_ptr);
1160         SET_RING_HEAD(dev_priv, cur_read_ptr);
1161         dev_priv->ring.tail = cur_read_ptr;
1162
1163 #if __OS_HAS_AGP
1164         if (dev_priv->flags & CHIP_IS_AGP) {
1165                 RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR,
1166                              dev_priv->ring_rptr->offset
1167                              - dev->agp->base + dev_priv->gart_vm_start);
1168         } else
1169 #endif
1170         {
1171                 drm_sg_mem_t *entry = dev->sg;
1172                 unsigned long tmp_ofs, page_ofs;
1173
1174                 tmp_ofs = dev_priv->ring_rptr->offset -
1175                                 (unsigned long)dev->sg->virtual;
1176                 page_ofs = tmp_ofs >> PAGE_SHIFT;
1177
1178                 RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR, entry->busaddr[page_ofs]);
1179                 DRM_DEBUG("ring rptr: offset=0x%08lx handle=0x%08lx\n",
1180                           (unsigned long)entry->busaddr[page_ofs],
1181                           entry->handle + tmp_ofs);
1182         }
1183
1184         /* Set ring buffer size */
1185 #ifdef __BIG_ENDIAN
1186         RADEON_WRITE(RADEON_CP_RB_CNTL,
1187                      dev_priv->ring.size_l2qw | RADEON_BUF_SWAP_32BIT);
1188 #else
1189         RADEON_WRITE(RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw);
1190 #endif
1191
1192         /* Start with assuming that writeback doesn't work */
1193         dev_priv->writeback_works = 0;
1194
1195         /* Initialize the scratch register pointer.  This will cause
1196          * the scratch register values to be written out to memory
1197          * whenever they are updated.
1198          *
1199          * We simply put this behind the ring read pointer, this works
1200          * with PCI GART as well as (whatever kind of) AGP GART
1201          */
1202         RADEON_WRITE(RADEON_SCRATCH_ADDR, RADEON_READ(RADEON_CP_RB_RPTR_ADDR)
1203                      + RADEON_SCRATCH_REG_OFFSET);
1204
1205         dev_priv->scratch = ((__volatile__ u32 *)
1206                              dev_priv->ring_rptr->handle +
1207                              (RADEON_SCRATCH_REG_OFFSET / sizeof(u32)));
1208
1209         RADEON_WRITE(RADEON_SCRATCH_UMSK, 0x7);
1210
1211         /* Turn on bus mastering */
1212         tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
1213         RADEON_WRITE(RADEON_BUS_CNTL, tmp);
1214
1215         dev_priv->sarea_priv->last_frame = dev_priv->scratch[0] = 0;
1216         RADEON_WRITE(RADEON_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame);
1217
1218         dev_priv->sarea_priv->last_dispatch = dev_priv->scratch[1] = 0;
1219         RADEON_WRITE(RADEON_LAST_DISPATCH_REG,
1220                      dev_priv->sarea_priv->last_dispatch);
1221
1222         dev_priv->sarea_priv->last_clear = dev_priv->scratch[2] = 0;
1223         RADEON_WRITE(RADEON_LAST_CLEAR_REG, dev_priv->sarea_priv->last_clear);
1224
1225         radeon_do_wait_for_idle(dev_priv);
1226
1227         /* Sync everything up */
1228         RADEON_WRITE(RADEON_ISYNC_CNTL,
1229                      (RADEON_ISYNC_ANY2D_IDLE3D |
1230                       RADEON_ISYNC_ANY3D_IDLE2D |
1231                       RADEON_ISYNC_WAIT_IDLEGUI |
1232                       RADEON_ISYNC_CPSCRATCH_IDLEGUI));
1233
1234 }
1235
1236 static void radeon_test_writeback(drm_radeon_private_t * dev_priv)
1237 {
1238         u32 tmp;
1239
1240         /* Writeback doesn't seem to work everywhere, test it here and possibly
1241          * enable it if it appears to work
1242          */
1243         DRM_WRITE32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1), 0);
1244         RADEON_WRITE(RADEON_SCRATCH_REG1, 0xdeadbeef);
1245
1246         for (tmp = 0; tmp < dev_priv->usec_timeout; tmp++) {
1247                 if (DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1)) ==
1248                     0xdeadbeef)
1249                         break;
1250                 DRM_UDELAY(1);
1251         }
1252
1253         if (tmp < dev_priv->usec_timeout) {
1254                 dev_priv->writeback_works = 1;
1255                 DRM_INFO("writeback test succeeded in %d usecs\n", tmp);
1256         } else {
1257                 dev_priv->writeback_works = 0;
1258                 DRM_INFO("writeback test failed\n");
1259         }
1260         if (radeon_no_wb == 1) {
1261                 dev_priv->writeback_works = 0;
1262                 DRM_INFO("writeback forced off\n");
1263         }
1264 }
1265
1266 /* Enable or disable PCI-E GART on the chip */
1267 static void radeon_set_pciegart(drm_radeon_private_t * dev_priv, int on)
1268 {
1269         u32 tmp = RADEON_READ_PCIE(dev_priv, RADEON_PCIE_TX_GART_CNTL);
1270         if (on) {
1271
1272                 DRM_DEBUG("programming pcie %08X %08lX %08X\n",
1273                           dev_priv->gart_vm_start,
1274                           (long)dev_priv->gart_info.bus_addr,
1275                           dev_priv->gart_size);
1276                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO,
1277                                   dev_priv->gart_vm_start);
1278                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_BASE,
1279                                   dev_priv->gart_info.bus_addr);
1280                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_START_LO,
1281                                   dev_priv->gart_vm_start);
1282                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_END_LO,
1283                                   dev_priv->gart_vm_start +
1284                                   dev_priv->gart_size - 1);
1285
1286                 RADEON_WRITE(RADEON_MC_AGP_LOCATION, 0xffffffc0);       /* ?? */
1287
1288                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_CNTL,
1289                                   RADEON_PCIE_TX_GART_EN);
1290         } else {
1291                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_CNTL,
1292                                   tmp & ~RADEON_PCIE_TX_GART_EN);
1293         }
1294 }
1295
1296 /* Enable or disable PCI GART on the chip */
1297 static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on)
1298 {
1299         u32 tmp;
1300
1301         if (dev_priv->flags & CHIP_IS_PCIE) {
1302                 radeon_set_pciegart(dev_priv, on);
1303                 return;
1304         }
1305
1306         tmp = RADEON_READ(RADEON_AIC_CNTL);
1307
1308         if (on) {
1309                 RADEON_WRITE(RADEON_AIC_CNTL,
1310                              tmp | RADEON_PCIGART_TRANSLATE_EN);
1311
1312                 /* set PCI GART page-table base address
1313                  */
1314                 RADEON_WRITE(RADEON_AIC_PT_BASE, dev_priv->gart_info.bus_addr);
1315
1316                 /* set address range for PCI address translate
1317                  */
1318                 RADEON_WRITE(RADEON_AIC_LO_ADDR, dev_priv->gart_vm_start);
1319                 RADEON_WRITE(RADEON_AIC_HI_ADDR, dev_priv->gart_vm_start
1320                              + dev_priv->gart_size - 1);
1321
1322                 /* Turn off AGP aperture -- is this required for PCI GART?
1323                  */
1324                 RADEON_WRITE(RADEON_MC_AGP_LOCATION, 0xffffffc0);       /* ?? */
1325                 RADEON_WRITE(RADEON_AGP_COMMAND, 0);    /* clear AGP_COMMAND */
1326         } else {
1327                 RADEON_WRITE(RADEON_AIC_CNTL,
1328                              tmp & ~RADEON_PCIGART_TRANSLATE_EN);
1329         }
1330 }
1331
1332 static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
1333 {
1334         drm_radeon_private_t *dev_priv = dev->dev_private;
1335
1336         DRM_DEBUG("\n");
1337
1338         /* if we require new memory map but we don't have it fail */
1339         if ((dev_priv->flags & CHIP_NEW_MEMMAP) && !dev_priv->new_memmap)
1340         {
1341                 DRM_ERROR("Cannot initialise DRM on this card\nThis card requires a new X.org DDX for 3D\n");
1342                 radeon_do_cleanup_cp(dev);
1343                 return DRM_ERR(EINVAL);
1344         }
1345
1346         if (init->is_pci && (dev_priv->flags & CHIP_IS_AGP))
1347         {
1348                 DRM_DEBUG("Forcing AGP card to PCI mode\n");
1349                 dev_priv->flags &= ~CHIP_IS_AGP;
1350         }
1351
1352         if ((!(dev_priv->flags & CHIP_IS_AGP)) && !dev->sg) {
1353                 DRM_ERROR("PCI GART memory not allocated!\n");
1354                 radeon_do_cleanup_cp(dev);
1355                 return DRM_ERR(EINVAL);
1356         }
1357
1358         dev_priv->usec_timeout = init->usec_timeout;
1359         if (dev_priv->usec_timeout < 1 ||
1360             dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT) {
1361                 DRM_DEBUG("TIMEOUT problem!\n");
1362                 radeon_do_cleanup_cp(dev);
1363                 return DRM_ERR(EINVAL);
1364         }
1365
1366         switch(init->func) {
1367         case RADEON_INIT_R200_CP:
1368                 dev_priv->microcode_version = UCODE_R200;
1369                 break;
1370         case RADEON_INIT_R300_CP:
1371                 dev_priv->microcode_version = UCODE_R300;
1372                 break;
1373         default:
1374                 dev_priv->microcode_version = UCODE_R100;
1375         }
1376
1377         dev_priv->do_boxes = 0;
1378         dev_priv->cp_mode = init->cp_mode;
1379
1380         /* We don't support anything other than bus-mastering ring mode,
1381          * but the ring can be in either AGP or PCI space for the ring
1382          * read pointer.
1383          */
1384         if ((init->cp_mode != RADEON_CSQ_PRIBM_INDDIS) &&
1385             (init->cp_mode != RADEON_CSQ_PRIBM_INDBM)) {
1386                 DRM_DEBUG("BAD cp_mode (%x)!\n", init->cp_mode);
1387                 radeon_do_cleanup_cp(dev);
1388                 return DRM_ERR(EINVAL);
1389         }
1390
1391         switch (init->fb_bpp) {
1392         case 16:
1393                 dev_priv->color_fmt = RADEON_COLOR_FORMAT_RGB565;
1394                 break;
1395         case 32:
1396         default:
1397                 dev_priv->color_fmt = RADEON_COLOR_FORMAT_ARGB8888;
1398                 break;
1399         }
1400         dev_priv->front_offset = init->front_offset;
1401         dev_priv->front_pitch = init->front_pitch;
1402         dev_priv->back_offset = init->back_offset;
1403         dev_priv->back_pitch = init->back_pitch;
1404
1405         switch (init->depth_bpp) {
1406         case 16:
1407                 dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_16BIT_INT_Z;
1408                 break;
1409         case 32:
1410         default:
1411                 dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_24BIT_INT_Z;
1412                 break;
1413         }
1414         dev_priv->depth_offset = init->depth_offset;
1415         dev_priv->depth_pitch = init->depth_pitch;
1416
1417         /* Hardware state for depth clears.  Remove this if/when we no
1418          * longer clear the depth buffer with a 3D rectangle.  Hard-code
1419          * all values to prevent unwanted 3D state from slipping through
1420          * and screwing with the clear operation.
1421          */
1422         dev_priv->depth_clear.rb3d_cntl = (RADEON_PLANE_MASK_ENABLE |
1423                                            (dev_priv->color_fmt << 10) |
1424                                            (dev_priv->microcode_version ==
1425                                             UCODE_R100 ? RADEON_ZBLOCK16 : 0));
1426
1427         dev_priv->depth_clear.rb3d_zstencilcntl =
1428             (dev_priv->depth_fmt |
1429              RADEON_Z_TEST_ALWAYS |
1430              RADEON_STENCIL_TEST_ALWAYS |
1431              RADEON_STENCIL_S_FAIL_REPLACE |
1432              RADEON_STENCIL_ZPASS_REPLACE |
1433              RADEON_STENCIL_ZFAIL_REPLACE | RADEON_Z_WRITE_ENABLE);
1434
1435         dev_priv->depth_clear.se_cntl = (RADEON_FFACE_CULL_CW |
1436                                          RADEON_BFACE_SOLID |
1437                                          RADEON_FFACE_SOLID |
1438                                          RADEON_FLAT_SHADE_VTX_LAST |
1439                                          RADEON_DIFFUSE_SHADE_FLAT |
1440                                          RADEON_ALPHA_SHADE_FLAT |
1441                                          RADEON_SPECULAR_SHADE_FLAT |
1442                                          RADEON_FOG_SHADE_FLAT |
1443                                          RADEON_VTX_PIX_CENTER_OGL |
1444                                          RADEON_ROUND_MODE_TRUNC |
1445                                          RADEON_ROUND_PREC_8TH_PIX);
1446
1447         DRM_GETSAREA();
1448
1449         dev_priv->ring_offset = init->ring_offset;
1450         dev_priv->ring_rptr_offset = init->ring_rptr_offset;
1451         dev_priv->buffers_offset = init->buffers_offset;
1452         dev_priv->gart_textures_offset = init->gart_textures_offset;
1453
1454         if (!dev_priv->sarea) {
1455                 DRM_ERROR("could not find sarea!\n");
1456                 radeon_do_cleanup_cp(dev);
1457                 return DRM_ERR(EINVAL);
1458         }
1459
1460         dev_priv->cp_ring = drm_core_findmap(dev, init->ring_offset);
1461         if (!dev_priv->cp_ring) {
1462                 DRM_ERROR("could not find cp ring region!\n");
1463                 radeon_do_cleanup_cp(dev);
1464                 return DRM_ERR(EINVAL);
1465         }
1466         dev_priv->ring_rptr = drm_core_findmap(dev, init->ring_rptr_offset);
1467         if (!dev_priv->ring_rptr) {
1468                 DRM_ERROR("could not find ring read pointer!\n");
1469                 radeon_do_cleanup_cp(dev);
1470                 return DRM_ERR(EINVAL);
1471         }
1472         dev->agp_buffer_token = init->buffers_offset;
1473         dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
1474         if (!dev->agp_buffer_map) {
1475                 DRM_ERROR("could not find dma buffer region!\n");
1476                 radeon_do_cleanup_cp(dev);
1477                 return DRM_ERR(EINVAL);
1478         }
1479
1480         if (init->gart_textures_offset) {
1481                 dev_priv->gart_textures =
1482                     drm_core_findmap(dev, init->gart_textures_offset);
1483                 if (!dev_priv->gart_textures) {
1484                         DRM_ERROR("could not find GART texture region!\n");
1485                         radeon_do_cleanup_cp(dev);
1486                         return DRM_ERR(EINVAL);
1487                 }
1488         }
1489
1490         dev_priv->sarea_priv =
1491             (drm_radeon_sarea_t *) ((u8 *) dev_priv->sarea->handle +
1492                                     init->sarea_priv_offset);
1493
1494 #if __OS_HAS_AGP
1495         if (dev_priv->flags & CHIP_IS_AGP) {
1496                 drm_core_ioremap(dev_priv->cp_ring, dev);
1497                 drm_core_ioremap(dev_priv->ring_rptr, dev);
1498                 drm_core_ioremap(dev->agp_buffer_map, dev);
1499                 if (!dev_priv->cp_ring->handle ||
1500                     !dev_priv->ring_rptr->handle ||
1501                     !dev->agp_buffer_map->handle) {
1502                         DRM_ERROR("could not find ioremap agp regions!\n");
1503                         radeon_do_cleanup_cp(dev);
1504                         return DRM_ERR(EINVAL);
1505                 }
1506         } else
1507 #endif
1508         {
1509                 dev_priv->cp_ring->handle = (void *)dev_priv->cp_ring->offset;
1510                 dev_priv->ring_rptr->handle =
1511                     (void *)dev_priv->ring_rptr->offset;
1512                 dev->agp_buffer_map->handle =
1513                     (void *)dev->agp_buffer_map->offset;
1514
1515                 DRM_DEBUG("dev_priv->cp_ring->handle %p\n",
1516                           dev_priv->cp_ring->handle);
1517                 DRM_DEBUG("dev_priv->ring_rptr->handle %p\n",
1518                           dev_priv->ring_rptr->handle);
1519                 DRM_DEBUG("dev->agp_buffer_map->handle %p\n",
1520                           dev->agp_buffer_map->handle);
1521         }
1522
1523         dev_priv->fb_location = (RADEON_READ(RADEON_MC_FB_LOCATION)
1524                                  & 0xffff) << 16;
1525         dev_priv->fb_size = 
1526                 ((RADEON_READ(RADEON_MC_FB_LOCATION) & 0xffff0000u) + 0x10000)
1527                 - dev_priv->fb_location;
1528
1529         dev_priv->front_pitch_offset = (((dev_priv->front_pitch / 64) << 22) |
1530                                         ((dev_priv->front_offset
1531                                           + dev_priv->fb_location) >> 10));
1532
1533         dev_priv->back_pitch_offset = (((dev_priv->back_pitch / 64) << 22) |
1534                                        ((dev_priv->back_offset
1535                                          + dev_priv->fb_location) >> 10));
1536
1537         dev_priv->depth_pitch_offset = (((dev_priv->depth_pitch / 64) << 22) |
1538                                         ((dev_priv->depth_offset
1539                                           + dev_priv->fb_location) >> 10));
1540
1541         dev_priv->gart_size = init->gart_size;
1542
1543         /* New let's set the memory map ... */
1544         if (dev_priv->new_memmap) {
1545                 u32 base = 0;
1546
1547                 DRM_INFO("Setting GART location based on new memory map\n");
1548
1549                 /* If using AGP, try to locate the AGP aperture at the same
1550                  * location in the card and on the bus, though we have to
1551                  * align it down.
1552                  */
1553 #if __OS_HAS_AGP
1554                 if (dev_priv->flags & CHIP_IS_AGP) {
1555                         base = dev->agp->base;
1556                         /* Check if valid */
1557                         if ((base + dev_priv->gart_size) > dev_priv->fb_location &&
1558                             base < (dev_priv->fb_location + dev_priv->fb_size)) {
1559                                 DRM_INFO("Can't use AGP base @0x%08lx, won't fit\n",
1560                                          dev->agp->base);
1561                                 base = 0;
1562                         }
1563                 }
1564 #endif
1565                 /* If not or if AGP is at 0 (Macs), try to put it elsewhere */
1566                 if (base == 0) {
1567                         base = dev_priv->fb_location + dev_priv->fb_size;
1568                         if (((base + dev_priv->gart_size) & 0xfffffffful)
1569                             < base)
1570                                 base = dev_priv->fb_location
1571                                         - dev_priv->gart_size;
1572                 }               
1573                 dev_priv->gart_vm_start = base & 0xffc00000u;
1574                 if (dev_priv->gart_vm_start != base)
1575                         DRM_INFO("GART aligned down from 0x%08x to 0x%08x\n",
1576                                  base, dev_priv->gart_vm_start);
1577         } else {
1578                 DRM_INFO("Setting GART location based on old memory map\n");
1579                 dev_priv->gart_vm_start = dev_priv->fb_location +
1580                         RADEON_READ(RADEON_CONFIG_APER_SIZE);
1581         }
1582
1583 #if __OS_HAS_AGP
1584         if (dev_priv->flags & CHIP_IS_AGP)
1585                 dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
1586                                                  - dev->agp->base
1587                                                  + dev_priv->gart_vm_start);
1588         else
1589 #endif
1590                 dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
1591                                         - (unsigned long)dev->sg->virtual
1592                                         + dev_priv->gart_vm_start);
1593
1594         DRM_DEBUG("dev_priv->gart_size %d\n", dev_priv->gart_size);
1595         DRM_DEBUG("dev_priv->gart_vm_start 0x%x\n", dev_priv->gart_vm_start);
1596         DRM_DEBUG("dev_priv->gart_buffers_offset 0x%lx\n",
1597                   dev_priv->gart_buffers_offset);
1598
1599         dev_priv->ring.start = (u32 *) dev_priv->cp_ring->handle;
1600         dev_priv->ring.end = ((u32 *) dev_priv->cp_ring->handle
1601                               + init->ring_size / sizeof(u32));
1602         dev_priv->ring.size = init->ring_size;
1603         dev_priv->ring.size_l2qw = drm_order(init->ring_size / 8);
1604
1605         dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1;
1606
1607         dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK;
1608
1609 #if __OS_HAS_AGP
1610         if (dev_priv->flags & CHIP_IS_AGP) {
1611                 /* Turn off PCI GART */
1612                 radeon_set_pcigart(dev_priv, 0);
1613         } else
1614 #endif
1615         {
1616                 /* if we have an offset set from userspace */
1617                 if (dev_priv->pcigart_offset) {
1618                         dev_priv->gart_info.bus_addr =
1619                             dev_priv->pcigart_offset + dev_priv->fb_location;
1620                         dev_priv->gart_info.mapping.offset =
1621                             dev_priv->gart_info.bus_addr;
1622                         dev_priv->gart_info.mapping.size =
1623                             RADEON_PCIGART_TABLE_SIZE;
1624
1625                         drm_core_ioremap(&dev_priv->gart_info.mapping, dev);
1626                         dev_priv->gart_info.addr =
1627                             dev_priv->gart_info.mapping.handle;
1628
1629                         dev_priv->gart_info.is_pcie =
1630                             !!(dev_priv->flags & CHIP_IS_PCIE);
1631                         dev_priv->gart_info.gart_table_location =
1632                             DRM_ATI_GART_FB;
1633
1634                         DRM_DEBUG("Setting phys_pci_gart to %p %08lX\n",
1635                                   dev_priv->gart_info.addr,
1636                                   dev_priv->pcigart_offset);
1637                 } else {
1638                         dev_priv->gart_info.gart_table_location =
1639                             DRM_ATI_GART_MAIN;
1640                         dev_priv->gart_info.addr = NULL;
1641                         dev_priv->gart_info.bus_addr = 0;
1642                         if (dev_priv->flags & CHIP_IS_PCIE) {
1643                                 DRM_ERROR
1644                                     ("Cannot use PCI Express without GART in FB memory\n");
1645                                 radeon_do_cleanup_cp(dev);
1646                                 return DRM_ERR(EINVAL);
1647                         }
1648                 }
1649
1650                 if (!drm_ati_pcigart_init(dev, &dev_priv->gart_info)) {
1651                         DRM_ERROR("failed to init PCI GART!\n");
1652                         radeon_do_cleanup_cp(dev);
1653                         return DRM_ERR(ENOMEM);
1654                 }
1655
1656                 /* Turn on PCI GART */
1657                 radeon_set_pcigart(dev_priv, 1);
1658         }
1659
1660         radeon_cp_load_microcode(dev_priv);
1661         radeon_cp_init_ring_buffer(dev, dev_priv);
1662
1663         dev_priv->last_buf = 0;
1664
1665         radeon_do_engine_reset(dev);
1666         radeon_test_writeback(dev_priv);
1667
1668         return 0;
1669 }
1670
1671 static int radeon_do_cleanup_cp(drm_device_t * dev)
1672 {
1673         drm_radeon_private_t *dev_priv = dev->dev_private;
1674         DRM_DEBUG("\n");
1675
1676         /* Make sure interrupts are disabled here because the uninstall ioctl
1677          * may not have been called from userspace and after dev_private
1678          * is freed, it's too late.
1679          */
1680         if (dev->irq_enabled)
1681                 drm_irq_uninstall(dev);
1682
1683 #if __OS_HAS_AGP
1684         if (dev_priv->flags & CHIP_IS_AGP) {
1685                 if (dev_priv->cp_ring != NULL) {
1686                         drm_core_ioremapfree(dev_priv->cp_ring, dev);
1687                         dev_priv->cp_ring = NULL;
1688                 }
1689                 if (dev_priv->ring_rptr != NULL) {
1690                         drm_core_ioremapfree(dev_priv->ring_rptr, dev);
1691                         dev_priv->ring_rptr = NULL;
1692                 }
1693                 if (dev->agp_buffer_map != NULL) {
1694                         drm_core_ioremapfree(dev->agp_buffer_map, dev);
1695                         dev->agp_buffer_map = NULL;
1696                 }
1697         } else
1698 #endif
1699         {
1700
1701                 if (dev_priv->gart_info.bus_addr) {
1702                         /* Turn off PCI GART */
1703                         radeon_set_pcigart(dev_priv, 0);
1704                         if (!drm_ati_pcigart_cleanup(dev, &dev_priv->gart_info))
1705                                 DRM_ERROR("failed to cleanup PCI GART!\n");
1706                 }
1707
1708                 if (dev_priv->gart_info.gart_table_location == DRM_ATI_GART_FB)
1709                 {
1710                         drm_core_ioremapfree(&dev_priv->gart_info.mapping, dev);
1711                         dev_priv->gart_info.addr = 0;
1712                 }
1713         }
1714         /* only clear to the start of flags */
1715         memset(dev_priv, 0, offsetof(drm_radeon_private_t, flags));
1716
1717         return 0;
1718 }
1719
1720 /* This code will reinit the Radeon CP hardware after a resume from disc.
1721  * AFAIK, it would be very difficult to pickle the state at suspend time, so
1722  * here we make sure that all Radeon hardware initialisation is re-done without
1723  * affecting running applications.
1724  *
1725  * Charl P. Botha <http://cpbotha.net>
1726  */
1727 static int radeon_do_resume_cp(drm_device_t * dev)
1728 {
1729         drm_radeon_private_t *dev_priv = dev->dev_private;
1730
1731         if (!dev_priv) {
1732                 DRM_ERROR("Called with no initialization\n");
1733                 return DRM_ERR(EINVAL);
1734         }
1735
1736         DRM_DEBUG("Starting radeon_do_resume_cp()\n");
1737
1738 #if __OS_HAS_AGP
1739         if (dev_priv->flags & CHIP_IS_AGP) {
1740                 /* Turn off PCI GART */
1741                 radeon_set_pcigart(dev_priv, 0);
1742         } else
1743 #endif
1744         {
1745                 /* Turn on PCI GART */
1746                 radeon_set_pcigart(dev_priv, 1);
1747         }
1748
1749         radeon_cp_load_microcode(dev_priv);
1750         radeon_cp_init_ring_buffer(dev, dev_priv);
1751
1752         radeon_do_engine_reset(dev);
1753
1754         DRM_DEBUG("radeon_do_resume_cp() complete\n");
1755
1756         return 0;
1757 }
1758
1759 int radeon_cp_init(DRM_IOCTL_ARGS)
1760 {
1761         DRM_DEVICE;
1762         drm_radeon_init_t init;
1763
1764         LOCK_TEST_WITH_RETURN(dev, filp);
1765
1766         DRM_COPY_FROM_USER_IOCTL(init, (drm_radeon_init_t __user *) data,
1767                                  sizeof(init));
1768
1769         if (init.func == RADEON_INIT_R300_CP)
1770                 r300_init_reg_flags();
1771
1772         switch (init.func) {
1773         case RADEON_INIT_CP:
1774         case RADEON_INIT_R200_CP:
1775         case RADEON_INIT_R300_CP:
1776                 return radeon_do_init_cp(dev, &init);
1777         case RADEON_CLEANUP_CP:
1778                 return radeon_do_cleanup_cp(dev);
1779         }
1780
1781         return DRM_ERR(EINVAL);
1782 }
1783
1784 int radeon_cp_start(DRM_IOCTL_ARGS)
1785 {
1786         DRM_DEVICE;
1787         drm_radeon_private_t *dev_priv = dev->dev_private;
1788         DRM_DEBUG("\n");
1789
1790         LOCK_TEST_WITH_RETURN(dev, filp);
1791
1792         if (dev_priv->cp_running) {
1793                 DRM_DEBUG("%s while CP running\n", __FUNCTION__);
1794                 return 0;
1795         }
1796         if (dev_priv->cp_mode == RADEON_CSQ_PRIDIS_INDDIS) {
1797                 DRM_DEBUG("%s called with bogus CP mode (%d)\n",
1798                           __FUNCTION__, dev_priv->cp_mode);
1799                 return 0;
1800         }
1801
1802         radeon_do_cp_start(dev_priv);
1803
1804         return 0;
1805 }
1806
1807 /* Stop the CP.  The engine must have been idled before calling this
1808  * routine.
1809  */
1810 int radeon_cp_stop(DRM_IOCTL_ARGS)
1811 {
1812         DRM_DEVICE;
1813         drm_radeon_private_t *dev_priv = dev->dev_private;
1814         drm_radeon_cp_stop_t stop;
1815         int ret;
1816         DRM_DEBUG("\n");
1817
1818         LOCK_TEST_WITH_RETURN(dev, filp);
1819
1820         DRM_COPY_FROM_USER_IOCTL(stop, (drm_radeon_cp_stop_t __user *) data,
1821                                  sizeof(stop));
1822
1823         if (!dev_priv->cp_running)
1824                 return 0;
1825
1826         /* Flush any pending CP commands.  This ensures any outstanding
1827          * commands are exectuted by the engine before we turn it off.
1828          */
1829         if (stop.flush) {
1830                 radeon_do_cp_flush(dev_priv);
1831         }
1832
1833         /* If we fail to make the engine go idle, we return an error
1834          * code so that the DRM ioctl wrapper can try again.
1835          */
1836         if (stop.idle) {
1837                 ret = radeon_do_cp_idle(dev_priv);
1838                 if (ret)
1839                         return ret;
1840         }
1841
1842         /* Finally, we can turn off the CP.  If the engine isn't idle,
1843          * we will get some dropped triangles as they won't be fully
1844          * rendered before the CP is shut down.
1845          */
1846         radeon_do_cp_stop(dev_priv);
1847
1848         /* Reset the engine */
1849         radeon_do_engine_reset(dev);
1850
1851         return 0;
1852 }
1853
1854 void radeon_do_release(drm_device_t * dev)
1855 {
1856         drm_radeon_private_t *dev_priv = dev->dev_private;
1857         int i, ret;
1858
1859         if (dev_priv) {
1860                 if (dev_priv->cp_running) {
1861                         /* Stop the cp */
1862                         while ((ret = radeon_do_cp_idle(dev_priv)) != 0) {
1863                                 DRM_DEBUG("radeon_do_cp_idle %d\n", ret);
1864 #ifdef __linux__
1865                                 schedule();
1866 #else
1867 #if defined(__FreeBSD__) && __FreeBSD_version > 500000
1868                                 msleep(&ret, &dev->dev_lock, PZERO, "rdnrel",
1869                                        1);
1870 #else
1871                                 tsleep(&ret, PZERO, "rdnrel", 1);
1872 #endif
1873 #endif
1874                         }
1875                         radeon_do_cp_stop(dev_priv);
1876                         radeon_do_engine_reset(dev);
1877                 }
1878
1879                 /* Disable *all* interrupts */
1880                 if (dev_priv->mmio)     /* remove this after permanent addmaps */
1881                         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
1882
1883                 if (dev_priv->mmio) {   /* remove all surfaces */
1884                         for (i = 0; i < RADEON_MAX_SURFACES; i++) {
1885                                 RADEON_WRITE(RADEON_SURFACE0_INFO + 16 * i, 0);
1886                                 RADEON_WRITE(RADEON_SURFACE0_LOWER_BOUND +
1887                                              16 * i, 0);
1888                                 RADEON_WRITE(RADEON_SURFACE0_UPPER_BOUND +
1889                                              16 * i, 0);
1890                         }
1891                 }
1892
1893                 /* Free memory heap structures */
1894                 radeon_mem_takedown(&(dev_priv->gart_heap));
1895                 radeon_mem_takedown(&(dev_priv->fb_heap));
1896
1897                 /* deallocate kernel resources */
1898                 radeon_do_cleanup_cp(dev);
1899         }
1900 }
1901
1902 /* Just reset the CP ring.  Called as part of an X Server engine reset.
1903  */
1904 int radeon_cp_reset(DRM_IOCTL_ARGS)
1905 {
1906         DRM_DEVICE;
1907         drm_radeon_private_t *dev_priv = dev->dev_private;
1908         DRM_DEBUG("\n");
1909
1910         LOCK_TEST_WITH_RETURN(dev, filp);
1911
1912         if (!dev_priv) {
1913                 DRM_DEBUG("%s called before init done\n", __FUNCTION__);
1914                 return DRM_ERR(EINVAL);
1915         }
1916
1917         radeon_do_cp_reset(dev_priv);
1918
1919         /* The CP is no longer running after an engine reset */
1920         dev_priv->cp_running = 0;
1921
1922         return 0;
1923 }
1924
1925 int radeon_cp_idle(DRM_IOCTL_ARGS)
1926 {
1927         DRM_DEVICE;
1928         drm_radeon_private_t *dev_priv = dev->dev_private;
1929         DRM_DEBUG("\n");
1930
1931         LOCK_TEST_WITH_RETURN(dev, filp);
1932
1933         return radeon_do_cp_idle(dev_priv);
1934 }
1935
1936 /* Added by Charl P. Botha to call radeon_do_resume_cp().
1937  */
1938 int radeon_cp_resume(DRM_IOCTL_ARGS)
1939 {
1940         DRM_DEVICE;
1941
1942         return radeon_do_resume_cp(dev);
1943 }
1944
1945 int radeon_engine_reset(DRM_IOCTL_ARGS)
1946 {
1947         DRM_DEVICE;
1948         DRM_DEBUG("\n");
1949
1950         LOCK_TEST_WITH_RETURN(dev, filp);
1951
1952         return radeon_do_engine_reset(dev);
1953 }
1954
1955 /* ================================================================
1956  * Fullscreen mode
1957  */
1958
1959 /* KW: Deprecated to say the least:
1960  */
1961 int radeon_fullscreen(DRM_IOCTL_ARGS)
1962 {
1963         return 0;
1964 }
1965
1966 /* ================================================================
1967  * Freelist management
1968  */
1969
1970 /* Original comment: FIXME: ROTATE_BUFS is a hack to cycle through
1971  *   bufs until freelist code is used.  Note this hides a problem with
1972  *   the scratch register * (used to keep track of last buffer
1973  *   completed) being written to before * the last buffer has actually
1974  *   completed rendering.
1975  *
1976  * KW:  It's also a good way to find free buffers quickly.
1977  *
1978  * KW: Ideally this loop wouldn't exist, and freelist_get wouldn't
1979  * sleep.  However, bugs in older versions of radeon_accel.c mean that
1980  * we essentially have to do this, else old clients will break.
1981  *
1982  * However, it does leave open a potential deadlock where all the
1983  * buffers are held by other clients, which can't release them because
1984  * they can't get the lock.
1985  */
1986
1987 drm_buf_t *radeon_freelist_get(drm_device_t * dev)
1988 {
1989         drm_device_dma_t *dma = dev->dma;
1990         drm_radeon_private_t *dev_priv = dev->dev_private;
1991         drm_radeon_buf_priv_t *buf_priv;
1992         drm_buf_t *buf;
1993         int i, t;
1994         int start;
1995
1996         if (++dev_priv->last_buf >= dma->buf_count)
1997                 dev_priv->last_buf = 0;
1998
1999         start = dev_priv->last_buf;
2000
2001         for (t = 0; t < dev_priv->usec_timeout; t++) {
2002                 u32 done_age = GET_SCRATCH(1);
2003                 DRM_DEBUG("done_age = %d\n", done_age);
2004                 for (i = start; i < dma->buf_count; i++) {
2005                         buf = dma->buflist[i];
2006                         buf_priv = buf->dev_private;
2007                         if (buf->filp == 0 || (buf->pending &&
2008                                                buf_priv->age <= done_age)) {
2009                                 dev_priv->stats.requested_bufs++;
2010                                 buf->pending = 0;
2011                                 return buf;
2012                         }
2013                         start = 0;
2014                 }
2015
2016                 if (t) {
2017                         DRM_UDELAY(1);
2018                         dev_priv->stats.freelist_loops++;
2019                 }
2020         }
2021
2022         DRM_DEBUG("returning NULL!\n");
2023         return NULL;
2024 }
2025
2026 #if 0
2027 drm_buf_t *radeon_freelist_get(drm_device_t * dev)
2028 {
2029         drm_device_dma_t *dma = dev->dma;
2030         drm_radeon_private_t *dev_priv = dev->dev_private;
2031         drm_radeon_buf_priv_t *buf_priv;
2032         drm_buf_t *buf;
2033         int i, t;
2034         int start;
2035         u32 done_age = DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1));
2036
2037         if (++dev_priv->last_buf >= dma->buf_count)
2038                 dev_priv->last_buf = 0;
2039
2040         start = dev_priv->last_buf;
2041         dev_priv->stats.freelist_loops++;
2042
2043         for (t = 0; t < 2; t++) {
2044                 for (i = start; i < dma->buf_count; i++) {
2045                         buf = dma->buflist[i];
2046                         buf_priv = buf->dev_private;
2047                         if (buf->filp == 0 || (buf->pending &&
2048                                                buf_priv->age <= done_age)) {
2049                                 dev_priv->stats.requested_bufs++;
2050                                 buf->pending = 0;
2051                                 return buf;
2052                         }
2053                 }
2054                 start = 0;
2055         }
2056
2057         return NULL;
2058 }
2059 #endif
2060
2061 void radeon_freelist_reset(drm_device_t * dev)
2062 {
2063         drm_device_dma_t *dma = dev->dma;
2064         drm_radeon_private_t *dev_priv = dev->dev_private;
2065         int i;
2066
2067         dev_priv->last_buf = 0;
2068         for (i = 0; i < dma->buf_count; i++) {
2069                 drm_buf_t *buf = dma->buflist[i];
2070                 drm_radeon_buf_priv_t *buf_priv = buf->dev_private;
2071                 buf_priv->age = 0;
2072         }
2073 }
2074
2075 /* ================================================================
2076  * CP command submission
2077  */
2078
2079 int radeon_wait_ring(drm_radeon_private_t * dev_priv, int n)
2080 {
2081         drm_radeon_ring_buffer_t *ring = &dev_priv->ring;
2082         int i;
2083         u32 last_head = GET_RING_HEAD(dev_priv);
2084
2085         for (i = 0; i < dev_priv->usec_timeout; i++) {
2086                 u32 head = GET_RING_HEAD(dev_priv);
2087
2088                 ring->space = (head - ring->tail) * sizeof(u32);
2089                 if (ring->space <= 0)
2090                         ring->space += ring->size;
2091                 if (ring->space > n)
2092                         return 0;
2093
2094                 dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
2095
2096                 if (head != last_head)
2097                         i = 0;
2098                 last_head = head;
2099
2100                 DRM_UDELAY(1);
2101         }
2102
2103         /* FIXME: This return value is ignored in the BEGIN_RING macro! */
2104 #if RADEON_FIFO_DEBUG
2105         radeon_status(dev_priv);
2106         DRM_ERROR("failed!\n");
2107 #endif
2108         return DRM_ERR(EBUSY);
2109 }
2110
2111 static int radeon_cp_get_buffers(DRMFILE filp, drm_device_t * dev,
2112                                  drm_dma_t * d)
2113 {
2114         int i;
2115         drm_buf_t *buf;
2116
2117         for (i = d->granted_count; i < d->request_count; i++) {
2118                 buf = radeon_freelist_get(dev);
2119                 if (!buf)
2120                         return DRM_ERR(EBUSY);  /* NOTE: broken client */
2121
2122                 buf->filp = filp;
2123
2124                 if (DRM_COPY_TO_USER(&d->request_indices[i], &buf->idx,
2125                                      sizeof(buf->idx)))
2126                         return DRM_ERR(EFAULT);
2127                 if (DRM_COPY_TO_USER(&d->request_sizes[i], &buf->total,
2128                                      sizeof(buf->total)))
2129                         return DRM_ERR(EFAULT);
2130
2131                 d->granted_count++;
2132         }
2133         return 0;
2134 }
2135
2136 int radeon_cp_buffers(DRM_IOCTL_ARGS)
2137 {
2138         DRM_DEVICE;
2139         drm_device_dma_t *dma = dev->dma;
2140         int ret = 0;
2141         drm_dma_t __user *argp = (void __user *)data;
2142         drm_dma_t d;
2143
2144         LOCK_TEST_WITH_RETURN(dev, filp);
2145
2146         DRM_COPY_FROM_USER_IOCTL(d, argp, sizeof(d));
2147
2148         /* Please don't send us buffers.
2149          */
2150         if (d.send_count != 0) {
2151                 DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n",
2152                           DRM_CURRENTPID, d.send_count);
2153                 return DRM_ERR(EINVAL);
2154         }
2155
2156         /* We'll send you buffers.
2157          */
2158         if (d.request_count < 0 || d.request_count > dma->buf_count) {
2159                 DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n",
2160                           DRM_CURRENTPID, d.request_count, dma->buf_count);
2161                 return DRM_ERR(EINVAL);
2162         }
2163
2164         d.granted_count = 0;
2165
2166         if (d.request_count) {
2167                 ret = radeon_cp_get_buffers(filp, dev, &d);
2168         }
2169
2170         DRM_COPY_TO_USER_IOCTL(argp, d, sizeof(d));
2171
2172         return ret;
2173 }
2174
2175 int radeon_driver_load(struct drm_device *dev, unsigned long flags)
2176 {
2177         drm_radeon_private_t *dev_priv;
2178         int ret = 0;
2179
2180         dev_priv = drm_alloc(sizeof(drm_radeon_private_t), DRM_MEM_DRIVER);
2181         if (dev_priv == NULL)
2182                 return DRM_ERR(ENOMEM);
2183
2184         memset(dev_priv, 0, sizeof(drm_radeon_private_t));
2185         dev->dev_private = (void *)dev_priv;
2186         dev_priv->flags = flags;
2187
2188         switch (flags & CHIP_FAMILY_MASK) {
2189         case CHIP_R100:
2190         case CHIP_RV200:
2191         case CHIP_R200:
2192         case CHIP_R300:
2193         case CHIP_R350:
2194         case CHIP_R420:
2195         case CHIP_RV410:
2196                 dev_priv->flags |= CHIP_HAS_HIERZ;
2197                 break;
2198         default:
2199                 /* all other chips have no hierarchical z buffer */
2200                 break;
2201         }
2202
2203         if (drm_device_is_agp(dev))
2204                 dev_priv->flags |= CHIP_IS_AGP;
2205
2206         if (drm_device_is_pcie(dev))
2207                 dev_priv->flags |= CHIP_IS_PCIE;
2208
2209         DRM_DEBUG("%s card detected\n",
2210                   ((dev_priv->flags & CHIP_IS_AGP) ? "AGP" : (((dev_priv->flags & CHIP_IS_PCIE) ? "PCIE" : "PCI"))));
2211         return ret;
2212 }
2213
2214 /* Create mappings for registers and framebuffer so userland doesn't necessarily
2215  * have to find them.
2216  */
2217 int radeon_driver_firstopen(struct drm_device *dev)
2218 {
2219         int ret;
2220         drm_local_map_t *map;
2221         drm_radeon_private_t *dev_priv = dev->dev_private;
2222
2223         ret = drm_addmap(dev, drm_get_resource_start(dev, 2),
2224                          drm_get_resource_len(dev, 2), _DRM_REGISTERS,
2225                          _DRM_READ_ONLY, &dev_priv->mmio);
2226         if (ret != 0)
2227                 return ret;
2228
2229         ret = drm_addmap(dev, drm_get_resource_start(dev, 0),
2230                          drm_get_resource_len(dev, 0), _DRM_FRAME_BUFFER,
2231                          _DRM_WRITE_COMBINING, &map);
2232         if (ret != 0)
2233                 return ret;
2234
2235         return 0;
2236 }
2237
2238 int radeon_driver_unload(struct drm_device *dev)
2239 {
2240         drm_radeon_private_t *dev_priv = dev->dev_private;
2241
2242         DRM_DEBUG("\n");
2243         drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER);
2244
2245         dev->dev_private = NULL;
2246         return 0;
2247 }