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HAMMER 60I/Many: Mirroring
[dragonfly.git] / sys / dev / agp / agp_amd64.c
blobcd90ceb176081c538de1a3613737d35e15ae449d
1 /*-
2 * Copyright (c) 2004, 2005 Jung-uk Kim <jkim@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: src/sys/dev/agp/agp_amd64.c,v 1.16 2007/11/12 21:51:36 jhb Exp $
27 * $DragonFly: src/sys/dev/agp/agp_amd64.c,v 1.3 2008/01/07 01:34:58 corecode Exp $
28 */
29
30 #include "opt_bus.h"
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/malloc.h>
35 #include <sys/kernel.h>
36 #include <sys/module.h>
37 #include <sys/bus.h>
38 #include <sys/lock.h>
39 #include <sys/proc.h>
40
41 #include <bus/pci/pcivar.h>
42 #include <bus/pci/pcireg.h>
43 #include "agppriv.h"
44 #include "agpreg.h"
45
46 #include <vm/vm.h>
47 #include <vm/vm_object.h>
48 #include <vm/pmap.h>
49 #include <sys/rman.h>
50
51 /* XXX */
52 extern void pci_cfgregwrite(int, int, int, int, uint32_t, int);
53 extern uint32_t pci_cfgregread(int, int, int, int, int);
54
55 static void agp_amd64_apbase_fixup(device_t);
56
57 static void agp_amd64_uli_init(device_t);
58 static int agp_amd64_uli_set_aperture(device_t, uint32_t);
59
60 static int agp_amd64_nvidia_match(uint16_t);
61 static void agp_amd64_nvidia_init(device_t);
62 static int agp_amd64_nvidia_set_aperture(device_t, uint32_t);
63
64 static int agp_amd64_via_match(void);
65 static void agp_amd64_via_init(device_t);
66 static int agp_amd64_via_set_aperture(device_t, uint32_t);
67
68 MALLOC_DECLARE(M_AGP);
69
70 #define AMD64_MAX_MCTRL 8
71
72 struct agp_amd64_softc {
73 struct agp_softc agp;
74 uint32_t initial_aperture;
75 struct agp_gatt *gatt;
76 uint32_t apbase;
77 int mctrl[AMD64_MAX_MCTRL];
78 int n_mctrl;
79 int via_agp;
80 };
81
82 static const char*
83 agp_amd64_match(device_t dev)
84 {
85 if (pci_get_class(dev) != PCIC_BRIDGE ||
86 pci_get_subclass(dev) != PCIS_BRIDGE_HOST ||
87 agp_find_caps(dev) == 0)
88 return (NULL);
89
90 switch (pci_get_devid(dev)) {
91 case 0x74541022:
92 return ("AMD 8151 AGP graphics tunnel");
93 case 0x07551039:
94 return ("SiS 755 host to AGP bridge");
95 case 0x07601039:
96 return ("SiS 760 host to AGP bridge");
97 case 0x168910b9:
98 return ("ULi M1689 AGP Controller");
99 case 0x00d110de:
100 if (agp_amd64_nvidia_match(0x00d2))
101 return (NULL);
102 return ("NVIDIA nForce3 AGP Controller");
103 case 0x00e110de:
104 if (agp_amd64_nvidia_match(0x00e2))
105 return (NULL);
106 return ("NVIDIA nForce3-250 AGP Controller");
107 case 0x02041106:
108 return ("VIA 8380 host to PCI bridge");
109 case 0x02381106:
110 return ("VIA 3238 host to PCI bridge");
111 case 0x02821106:
112 return ("VIA K8T800Pro host to PCI bridge");
113 case 0x31881106:
114 return ("VIA 8385 host to PCI bridge");
115 };
116
117 return (NULL);
118 }
119
120 static int
121 agp_amd64_nvidia_match(uint16_t devid)
122 {
123 /* XXX nForce3 requires secondary AGP bridge at 0:11:0. */
124 if (pci_cfgregread(0, 11, 0, PCIR_CLASS, 1) != PCIC_BRIDGE ||
125 pci_cfgregread(0, 11, 0, PCIR_SUBCLASS, 1) != PCIS_BRIDGE_PCI ||
126 pci_cfgregread(0, 11, 0, PCIR_VENDOR, 2) != 0x10de ||
127 pci_cfgregread(0, 11, 0, PCIR_DEVICE, 2) != devid)
128 return (ENXIO);
129
130 return (0);
131 }
132
133 static int
134 agp_amd64_via_match(void)
135 {
136 /* XXX Some VIA bridge requires secondary AGP bridge at 0:1:0. */
137 if (pci_cfgregread(0, 1, 0, PCIR_CLASS, 1) != PCIC_BRIDGE ||
138 pci_cfgregread(0, 1, 0, PCIR_SUBCLASS, 1) != PCIS_BRIDGE_PCI ||
139 pci_cfgregread(0, 1, 0, PCIR_VENDOR, 2) != 0x1106 ||
140 pci_cfgregread(0, 1, 0, PCIR_DEVICE, 2) != 0xb188 ||
141 (pci_cfgregread(0, 1, 0, AGP_VIA_AGPSEL, 1) & 2))
142 return (0);
143
144 return (1);
145 }
146
147 static int
148 agp_amd64_probe(device_t dev)
149 {
150 const char *desc;
151
152 if (resource_disabled("agp", device_get_unit(dev)))
153 return (ENXIO);
154 if ((desc = agp_amd64_match(dev))) {
155 device_set_desc(dev, desc);
156 return (BUS_PROBE_DEFAULT);
157 }
158
159 return (ENXIO);
160 }
161
162 static int
163 agp_amd64_attach(device_t dev)
164 {
165 struct agp_amd64_softc *sc = device_get_softc(dev);
166 struct agp_gatt *gatt;
167 int i, n, error;
168
169 for (i = 0, n = 0; i < PCI_SLOTMAX && n < AMD64_MAX_MCTRL; i++)
170 if (pci_cfgregread(0, i, 3, 0, 4) == 0x11031022) {
171 sc->mctrl[n] = i;
172 n++;
173 }
174
175 if (n == 0)
176 return (ENXIO);
177
178 sc->n_mctrl = n;
179
180 if (bootverbose)
181 device_printf(dev, "%d Miscellaneous Control unit(s) found.\n",
182 sc->n_mctrl);
183
184 if ((error = agp_generic_attach(dev)))
185 return (error);
186
187 sc->initial_aperture = AGP_GET_APERTURE(dev);
188 if (sc->initial_aperture == 0) {
189 device_printf(dev, "bad initial aperture size, disabling\n");
190 return ENXIO;
191 }
192
193 for (;;) {
194 gatt = agp_alloc_gatt(dev);
195 if (gatt)
196 break;
197
198 /*
199 * Probably contigmalloc failure. Try reducing the
200 * aperture so that the gatt size reduces.
201 */
202 if (AGP_SET_APERTURE(dev, AGP_GET_APERTURE(dev) / 2)) {
203 agp_generic_detach(dev);
204 return (ENOMEM);
205 }
206 }
207 sc->gatt = gatt;
208
209 switch (pci_get_vendor(dev)) {
210 case 0x10b9: /* ULi */
211 agp_amd64_uli_init(dev);
212 if (agp_amd64_uli_set_aperture(dev, sc->initial_aperture))
213 return (ENXIO);
214 break;
215
216 case 0x10de: /* nVidia */
217 agp_amd64_nvidia_init(dev);
218 if (agp_amd64_nvidia_set_aperture(dev, sc->initial_aperture))
219 return (ENXIO);
220 break;
221
222 case 0x1106: /* VIA */
223 sc->via_agp = agp_amd64_via_match();
224 if (sc->via_agp) {
225 agp_amd64_via_init(dev);
226 if (agp_amd64_via_set_aperture(dev,
227 sc->initial_aperture))
228 return (ENXIO);
229 }
230 break;
231 }
232
233 /* Install the gatt and enable aperture. */
234 for (i = 0; i < sc->n_mctrl; i++) {
235 pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_ATTBASE,
236 (uint32_t)(gatt->ag_physical >> 8) & AGP_AMD64_ATTBASE_MASK,
237 4);
238 pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL,
239 (pci_cfgregread(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL, 4) |
240 AGP_AMD64_APCTRL_GARTEN) &
241 ~(AGP_AMD64_APCTRL_DISGARTCPU | AGP_AMD64_APCTRL_DISGARTIO),
242 4);
243 }
244
245 agp_flush_cache();
246
247 return (0);
248 }
249
250 static int
251 agp_amd64_detach(device_t dev)
252 {
253 struct agp_amd64_softc *sc = device_get_softc(dev);
254 int i;
255
256 agp_free_cdev(dev);
257
258 for (i = 0; i < sc->n_mctrl; i++)
259 pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL,
260 pci_cfgregread(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL, 4) &
261 ~AGP_AMD64_APCTRL_GARTEN, 4);
262
263 AGP_SET_APERTURE(dev, sc->initial_aperture);
264 agp_free_gatt(sc->gatt);
265 agp_free_res(dev);
266
267 return (0);
268 }
269
270 static uint32_t agp_amd64_table[] = {
271 0x02000000, /* 32 MB */
272 0x04000000, /* 64 MB */
273 0x08000000, /* 128 MB */
274 0x10000000, /* 256 MB */
275 0x20000000, /* 512 MB */
276 0x40000000, /* 1024 MB */
277 0x80000000, /* 2048 MB */
278 };
279
280 #define AGP_AMD64_TABLE_SIZE \
281 (sizeof(agp_amd64_table) / sizeof(agp_amd64_table[0]))
282
283 static uint32_t
284 agp_amd64_get_aperture(device_t dev)
285 {
286 struct agp_amd64_softc *sc = device_get_softc(dev);
287 uint32_t i;
288
289 i = (pci_cfgregread(0, sc->mctrl[0], 3, AGP_AMD64_APCTRL, 4) &
290 AGP_AMD64_APCTRL_SIZE_MASK) >> 1;
291
292 if (i >= AGP_AMD64_TABLE_SIZE)
293 return (0);
294
295 return (agp_amd64_table[i]);
296 }
297
298 static int
299 agp_amd64_set_aperture(device_t dev, uint32_t aperture)
300 {
301 struct agp_amd64_softc *sc = device_get_softc(dev);
302 uint32_t i;
303 int j;
304
305 for (i = 0; i < AGP_AMD64_TABLE_SIZE; i++)
306 if (agp_amd64_table[i] == aperture)
307 break;
308 if (i >= AGP_AMD64_TABLE_SIZE)
309 return (EINVAL);
310
311 for (j = 0; j < sc->n_mctrl; j++)
312 pci_cfgregwrite(0, sc->mctrl[j], 3, AGP_AMD64_APCTRL,
313 (pci_cfgregread(0, sc->mctrl[j], 3, AGP_AMD64_APCTRL, 4) &
314 ~(AGP_AMD64_APCTRL_SIZE_MASK)) | (i << 1), 4);
315
316 switch (pci_get_vendor(dev)) {
317 case 0x10b9: /* ULi */
318 return (agp_amd64_uli_set_aperture(dev, aperture));
319 break;
320
321 case 0x10de: /* nVidia */
322 return (agp_amd64_nvidia_set_aperture(dev, aperture));
323 break;
324
325 case 0x1106: /* VIA */
326 if (sc->via_agp)
327 return (agp_amd64_via_set_aperture(dev, aperture));
328 break;
329 }
330
331 return (0);
332 }
333
334 static int
335 agp_amd64_bind_page(device_t dev, int offset, vm_offset_t physical)
336 {
337 struct agp_amd64_softc *sc = device_get_softc(dev);
338
339 if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
340 return (EINVAL);
341
342 sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] =
343 (physical & 0xfffff000) | ((physical >> 28) & 0x00000ff0) | 3;
344
345 return (0);
346 }
347
348 static int
349 agp_amd64_unbind_page(device_t dev, int offset)
350 {
351 struct agp_amd64_softc *sc = device_get_softc(dev);
352
353 if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
354 return (EINVAL);
355
356 sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] = 0;
357
358 return (0);
359 }
360
361 static void
362 agp_amd64_flush_tlb(device_t dev)
363 {
364 struct agp_amd64_softc *sc = device_get_softc(dev);
365 int i;
366
367 for (i = 0; i < sc->n_mctrl; i++)
368 pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_CACHECTRL,
369 pci_cfgregread(0, sc->mctrl[i], 3, AGP_AMD64_CACHECTRL, 4) |
370 AGP_AMD64_CACHECTRL_INVGART, 4);
371 }
372
373 static void
374 agp_amd64_apbase_fixup(device_t dev)
375 {
376 struct agp_amd64_softc *sc = device_get_softc(dev);
377 uint32_t apbase;
378 int i;
379
380 sc->apbase = rman_get_start(sc->agp.as_aperture);
381 apbase = (sc->apbase >> 25) & AGP_AMD64_APBASE_MASK;
382 for (i = 0; i < sc->n_mctrl; i++)
383 pci_cfgregwrite(0, sc->mctrl[i], 3,
384 AGP_AMD64_APBASE, apbase, 4);
385 }
386
387 static void
388 agp_amd64_uli_init(device_t dev)
389 {
390 struct agp_amd64_softc *sc = device_get_softc(dev);
391
392 agp_amd64_apbase_fixup(dev);
393 pci_write_config(dev, AGP_AMD64_ULI_APBASE,
394 (pci_read_config(dev, AGP_AMD64_ULI_APBASE, 4) & 0x0000000f) |
395 sc->apbase, 4);
396 pci_write_config(dev, AGP_AMD64_ULI_HTT_FEATURE, sc->apbase, 4);
397 }
398
399 static int
400 agp_amd64_uli_set_aperture(device_t dev, uint32_t aperture)
401 {
402 struct agp_amd64_softc *sc = device_get_softc(dev);
403
404 switch (aperture) {
405 case 0x02000000: /* 32 MB */
406 case 0x04000000: /* 64 MB */
407 case 0x08000000: /* 128 MB */
408 case 0x10000000: /* 256 MB */
409 break;
410 default:
411 return (EINVAL);
412 }
413
414 pci_write_config(dev, AGP_AMD64_ULI_ENU_SCR,
415 sc->apbase + aperture - 1, 4);
416
417 return (0);
418 }
419
420 static void
421 agp_amd64_nvidia_init(device_t dev)
422 {
423 struct agp_amd64_softc *sc = device_get_softc(dev);
424
425 agp_amd64_apbase_fixup(dev);
426 pci_write_config(dev, AGP_AMD64_NVIDIA_0_APBASE,
427 (pci_read_config(dev, AGP_AMD64_NVIDIA_0_APBASE, 4) & 0x0000000f) |
428 sc->apbase, 4);
429 pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APBASE1, sc->apbase, 4);
430 pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APBASE2, sc->apbase, 4);
431 }
432
433 static int
434 agp_amd64_nvidia_set_aperture(device_t dev, uint32_t aperture)
435 {
436 struct agp_amd64_softc *sc = device_get_softc(dev);
437 uint32_t apsize;
438
439 switch (aperture) {
440 case 0x02000000: apsize = 0x0f; break; /* 32 MB */
441 case 0x04000000: apsize = 0x0e; break; /* 64 MB */
442 case 0x08000000: apsize = 0x0c; break; /* 128 MB */
443 case 0x10000000: apsize = 0x08; break; /* 256 MB */
444 case 0x20000000: apsize = 0x00; break; /* 512 MB */
445 default:
446 return (EINVAL);
447 }
448
449 pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APSIZE,
450 (pci_cfgregread(0, 11, 0, AGP_AMD64_NVIDIA_1_APSIZE, 4) &
451 0xfffffff0) | apsize, 4);
452 pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APLIMIT1,
453 sc->apbase + aperture - 1, 4);
454 pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APLIMIT2,
455 sc->apbase + aperture - 1, 4);
456
457 return (0);
458 }
459
460 static void
461 agp_amd64_via_init(device_t dev)
462 {
463 struct agp_amd64_softc *sc = device_get_softc(dev);
464
465 agp_amd64_apbase_fixup(dev);
466 pci_cfgregwrite(0, 1, 0, AGP3_VIA_ATTBASE, sc->gatt->ag_physical, 4);
467 pci_cfgregwrite(0, 1, 0, AGP3_VIA_GARTCTRL,
468 pci_cfgregread(0, 1, 0, AGP3_VIA_ATTBASE, 4) | 0x180, 4);
469 }
470
471 static int
472 agp_amd64_via_set_aperture(device_t dev, uint32_t aperture)
473 {
474 uint32_t apsize;
475
476 apsize = ((aperture - 1) >> 20) ^ 0xff;
477 if ((((apsize ^ 0xff) << 20) | ((1 << 20) - 1)) + 1 != aperture)
478 return (EINVAL);
479 pci_cfgregwrite(0, 1, 0, AGP3_VIA_APSIZE, apsize, 1);
480
481 return (0);
482 }
483
484 static device_method_t agp_amd64_methods[] = {
485 /* Device interface */
486 DEVMETHOD(device_probe, agp_amd64_probe),
487 DEVMETHOD(device_attach, agp_amd64_attach),
488 DEVMETHOD(device_detach, agp_amd64_detach),
489 DEVMETHOD(device_shutdown, bus_generic_shutdown),
490 DEVMETHOD(device_suspend, bus_generic_suspend),
491 DEVMETHOD(device_resume, bus_generic_resume),
492
493 /* AGP interface */
494 DEVMETHOD(agp_get_aperture, agp_amd64_get_aperture),
495 DEVMETHOD(agp_set_aperture, agp_amd64_set_aperture),
496 DEVMETHOD(agp_bind_page, agp_amd64_bind_page),
497 DEVMETHOD(agp_unbind_page, agp_amd64_unbind_page),
498 DEVMETHOD(agp_flush_tlb, agp_amd64_flush_tlb),
499 DEVMETHOD(agp_enable, agp_generic_enable),
500 DEVMETHOD(agp_alloc_memory, agp_generic_alloc_memory),
501 DEVMETHOD(agp_free_memory, agp_generic_free_memory),
502 DEVMETHOD(agp_bind_memory, agp_generic_bind_memory),
503 DEVMETHOD(agp_unbind_memory, agp_generic_unbind_memory),
504
505 { 0, 0 }
506 };
507
508 static driver_t agp_amd64_driver = {
509 "agp",
510 agp_amd64_methods,
511 sizeof(struct agp_amd64_softc),
512 };
513
514 static devclass_t agp_devclass;
515
516 DRIVER_MODULE(agp_amd64, pci, agp_amd64_driver, agp_devclass, 0, 0);
517 MODULE_DEPEND(agp_amd64, agp, 1, 1, 1);
518 MODULE_DEPEND(agp_amd64, pci, 1, 1, 1);
DragonFly BSD