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