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agp_amd64.c (150645) agp_amd64.c (152435)
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
27#include <sys/cdefs.h>
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
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/sys/dev/agp/agp_amd64.c 150645 2005-09-27 20:57:50Z jkim $");
28__FBSDID("$FreeBSD: head/sys/dev/agp/agp_amd64.c 152435 2005-11-14 21:54:20Z jkim $");
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/mutex.h>
40#include <sys/proc.h>
41
42#include <dev/pci/pcivar.h>
43#include <dev/pci/pcireg.h>
44#include <pci/agppriv.h>
45#include <pci/agpreg.h>
46
47#include <vm/vm.h>
48#include <vm/vm_object.h>
49#include <vm/pmap.h>
50#include <machine/bus.h>
51#include <machine/resource.h>
52#include <sys/rman.h>
53
54/* XXX */
55extern void pci_cfgregwrite(int, int, int, int, uint32_t, int);
56extern uint32_t pci_cfgregread(int, int, int, int, int);
57
58static void agp_amd64_apbase_fixup(device_t);
59
60static void agp_amd64_uli_init(device_t);
61static int agp_amd64_uli_set_aperture(device_t, uint32_t);
62
63static int agp_amd64_nvidia_match(uint16_t);
64static void agp_amd64_nvidia_init(device_t);
65static int agp_amd64_nvidia_set_aperture(device_t, uint32_t);
66
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/mutex.h>
40#include <sys/proc.h>
41
42#include <dev/pci/pcivar.h>
43#include <dev/pci/pcireg.h>
44#include <pci/agppriv.h>
45#include <pci/agpreg.h>
46
47#include <vm/vm.h>
48#include <vm/vm_object.h>
49#include <vm/pmap.h>
50#include <machine/bus.h>
51#include <machine/resource.h>
52#include <sys/rman.h>
53
54/* XXX */
55extern void pci_cfgregwrite(int, int, int, int, uint32_t, int);
56extern uint32_t pci_cfgregread(int, int, int, int, int);
57
58static void agp_amd64_apbase_fixup(device_t);
59
60static void agp_amd64_uli_init(device_t);
61static int agp_amd64_uli_set_aperture(device_t, uint32_t);
62
63static int agp_amd64_nvidia_match(uint16_t);
64static void agp_amd64_nvidia_init(device_t);
65static int agp_amd64_nvidia_set_aperture(device_t, uint32_t);
66
67static int agp_amd64_via_match(void);
68static void agp_amd64_via_init(device_t);
69static int agp_amd64_via_set_aperture(device_t, uint32_t);
70
67MALLOC_DECLARE(M_AGP);
68
69#define AMD64_MAX_MCTRL 8
70
71struct agp_amd64_softc {
72 struct agp_softc agp;
73 uint32_t initial_aperture;
74 struct agp_gatt *gatt;
75 uint32_t apbase;
76 int mctrl[AMD64_MAX_MCTRL];
77 int n_mctrl;
71MALLOC_DECLARE(M_AGP);
72
73#define AMD64_MAX_MCTRL 8
74
75struct agp_amd64_softc {
76 struct agp_softc agp;
77 uint32_t initial_aperture;
78 struct agp_gatt *gatt;
79 uint32_t apbase;
80 int mctrl[AMD64_MAX_MCTRL];
81 int n_mctrl;
82 int via_agp;
78};
79
80static const char*
81agp_amd64_match(device_t dev)
82{
83 if (pci_get_class(dev) != PCIC_BRIDGE
84 || pci_get_subclass(dev) != PCIS_BRIDGE_HOST)
85 return NULL;
86
87 if (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 0x168910b9:
96 return ("ULi M1689 AGP Controller");
97 case 0x00d110de:
98 if (agp_amd64_nvidia_match(0x00d2))
99 return NULL;
100 return ("NVIDIA nForce3 AGP Controller");
101 case 0x00e110de:
102 if (agp_amd64_nvidia_match(0x00e2))
103 return NULL;
104 return ("NVIDIA nForce3-250 AGP Controller");
105 case 0x02041106:
106 return ("VIA 8380 host to PCI bridge");
107 case 0x02381106:
108 return ("VIA 3238 host to PCI bridge");
109 case 0x02821106:
110 return ("VIA K8T800Pro host to PCI bridge");
111 case 0x31881106:
112 return ("VIA 8385 host to PCI bridge");
83};
84
85static const char*
86agp_amd64_match(device_t dev)
87{
88 if (pci_get_class(dev) != PCIC_BRIDGE
89 || pci_get_subclass(dev) != PCIS_BRIDGE_HOST)
90 return NULL;
91
92 if (agp_find_caps(dev) == 0)
93 return NULL;
94
95 switch (pci_get_devid(dev)) {
96 case 0x74541022:
97 return ("AMD 8151 AGP graphics tunnel");
98 case 0x07551039:
99 return ("SiS 755 host to AGP bridge");
100 case 0x168910b9:
101 return ("ULi M1689 AGP Controller");
102 case 0x00d110de:
103 if (agp_amd64_nvidia_match(0x00d2))
104 return NULL;
105 return ("NVIDIA nForce3 AGP Controller");
106 case 0x00e110de:
107 if (agp_amd64_nvidia_match(0x00e2))
108 return NULL;
109 return ("NVIDIA nForce3-250 AGP Controller");
110 case 0x02041106:
111 return ("VIA 8380 host to PCI bridge");
112 case 0x02381106:
113 return ("VIA 3238 host to PCI bridge");
114 case 0x02821106:
115 return ("VIA K8T800Pro host to PCI bridge");
116 case 0x31881106:
117 return ("VIA 8385 host to PCI bridge");
113 case 0xb1881106:
114 return ("VIA 838X host to PCI bridge");
115 };
116
117 return NULL;
118}
119
120static int
121agp_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
133static int
118 };
119
120 return NULL;
121}
122
123static int
124agp_amd64_nvidia_match(uint16_t devid)
125{
126 /* XXX nForce3 requires secondary AGP bridge at 0:11:0. */
127 if (pci_cfgregread(0, 11, 0, PCIR_CLASS, 1) != PCIC_BRIDGE ||
128 pci_cfgregread(0, 11, 0, PCIR_SUBCLASS, 1) != PCIS_BRIDGE_PCI ||
129 pci_cfgregread(0, 11, 0, PCIR_VENDOR, 2) != 0x10de ||
130 pci_cfgregread(0, 11, 0, PCIR_DEVICE, 2) != devid)
131 return ENXIO;
132
133 return 0;
134}
135
136static int
137agp_amd64_via_match(void)
138{
139 /* XXX Some VIA bridge requires secondary AGP bridge at 0:1:0. */
140 if (pci_cfgregread(0, 1, 0, PCIR_CLASS, 1) != PCIC_BRIDGE ||
141 pci_cfgregread(0, 1, 0, PCIR_SUBCLASS, 1) != PCIS_BRIDGE_PCI ||
142 pci_cfgregread(0, 1, 0, PCIR_VENDOR, 2) != 0x1106 ||
143 pci_cfgregread(0, 1, 0, PCIR_DEVICE, 2) != 0xb188 ||
144 (pci_cfgregread(0, 1, 0, AGP_VIA_AGPSEL, 1) & 2))
145 return 0;
146
147 return 1;
148}
149
150static int
134agp_amd64_probe(device_t dev)
135{
136 const char *desc;
137
138 if (resource_disabled("agp", device_get_unit(dev)))
139 return ENXIO;
140 if ((desc = agp_amd64_match(dev))) {
141 device_verbose(dev);
142 device_set_desc(dev, desc);
143 return BUS_PROBE_DEFAULT;
144 }
145
146 return ENXIO;
147}
148
149static int
150agp_amd64_attach(device_t dev)
151{
152 struct agp_amd64_softc *sc = device_get_softc(dev);
153 struct agp_gatt *gatt;
154 int i, n, error;
155
156 for (i = 0, n = 0; i < PCI_SLOTMAX && n < AMD64_MAX_MCTRL; i++)
157 if (pci_cfgregread(0, i, 3, 0, 4) == 0x11031022) {
158 sc->mctrl[n] = i;
159 n++;
160 }
161
162 if (n == 0)
163 return ENXIO;
164
165 sc->n_mctrl = n;
166
167 if (bootverbose) {
168 device_printf(dev, "%d Miscellaneous Control unit(s) found.\n",
169 sc->n_mctrl);
170 for (i = 0; i < sc->n_mctrl; i++)
171 device_printf(dev, "Aperture Base[%d]: 0x%08x\n", i,
172 pci_cfgregread(0, sc->mctrl[i], 3,
173 AGP_AMD64_APBASE, 4) & AGP_AMD64_APBASE_MASK);
174 }
175
176 if ((error = agp_generic_attach(dev)))
177 return error;
178
179 sc->initial_aperture = AGP_GET_APERTURE(dev);
180
151agp_amd64_probe(device_t dev)
152{
153 const char *desc;
154
155 if (resource_disabled("agp", device_get_unit(dev)))
156 return ENXIO;
157 if ((desc = agp_amd64_match(dev))) {
158 device_verbose(dev);
159 device_set_desc(dev, desc);
160 return BUS_PROBE_DEFAULT;
161 }
162
163 return ENXIO;
164}
165
166static int
167agp_amd64_attach(device_t dev)
168{
169 struct agp_amd64_softc *sc = device_get_softc(dev);
170 struct agp_gatt *gatt;
171 int i, n, error;
172
173 for (i = 0, n = 0; i < PCI_SLOTMAX && n < AMD64_MAX_MCTRL; i++)
174 if (pci_cfgregread(0, i, 3, 0, 4) == 0x11031022) {
175 sc->mctrl[n] = i;
176 n++;
177 }
178
179 if (n == 0)
180 return ENXIO;
181
182 sc->n_mctrl = n;
183
184 if (bootverbose) {
185 device_printf(dev, "%d Miscellaneous Control unit(s) found.\n",
186 sc->n_mctrl);
187 for (i = 0; i < sc->n_mctrl; i++)
188 device_printf(dev, "Aperture Base[%d]: 0x%08x\n", i,
189 pci_cfgregread(0, sc->mctrl[i], 3,
190 AGP_AMD64_APBASE, 4) & AGP_AMD64_APBASE_MASK);
191 }
192
193 if ((error = agp_generic_attach(dev)))
194 return error;
195
196 sc->initial_aperture = AGP_GET_APERTURE(dev);
197
181 switch (pci_get_vendor(dev)) {
182 case 0x10b9: /* ULi */
183 agp_amd64_uli_init(dev);
184 if (agp_amd64_uli_set_aperture(dev, sc->initial_aperture))
185 return ENXIO;
186 break;
187
188 case 0x10de: /* nVidia */
189 agp_amd64_nvidia_init(dev);
190 if (agp_amd64_nvidia_set_aperture(dev, sc->initial_aperture))
191 return ENXIO;
192 break;
193 }
194
195 for (;;) {
196 gatt = agp_alloc_gatt(dev);
197 if (gatt)
198 break;
199
200 /*
201 * Probably contigmalloc failure. Try reducing the
202 * aperture so that the gatt size reduces.
203 */
204 if (AGP_SET_APERTURE(dev, AGP_GET_APERTURE(dev) / 2)) {
205 agp_generic_detach(dev);
206 return ENOMEM;
207 }
208 }
209 sc->gatt = gatt;
210
198 for (;;) {
199 gatt = agp_alloc_gatt(dev);
200 if (gatt)
201 break;
202
203 /*
204 * Probably contigmalloc failure. Try reducing the
205 * aperture so that the gatt size reduces.
206 */
207 if (AGP_SET_APERTURE(dev, AGP_GET_APERTURE(dev) / 2)) {
208 agp_generic_detach(dev);
209 return ENOMEM;
210 }
211 }
212 sc->gatt = gatt;
213
214 switch (pci_get_vendor(dev)) {
215 case 0x10b9: /* ULi */
216 agp_amd64_uli_init(dev);
217 if (agp_amd64_uli_set_aperture(dev, sc->initial_aperture))
218 return ENXIO;
219 break;
220
221 case 0x10de: /* nVidia */
222 agp_amd64_nvidia_init(dev);
223 if (agp_amd64_nvidia_set_aperture(dev, sc->initial_aperture))
224 return ENXIO;
225 break;
226
227 case 0x1106: /* VIA */
228 sc->via_agp = agp_amd64_via_match();
229 if (sc->via_agp) {
230 agp_amd64_via_init(dev);
231 if (agp_amd64_via_set_aperture(dev,
232 sc->initial_aperture))
233 return ENXIO;
234 }
235 break;
236 }
237
211 /* Install the gatt and enable aperture. */
212 for (i = 0; i < sc->n_mctrl; i++) {
213 pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_ATTBASE,
214 (uint32_t)(gatt->ag_physical >> 8) & AGP_AMD64_ATTBASE_MASK,
215 4);
216 pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL,
217 (pci_cfgregread(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL, 4) |
218 AGP_AMD64_APCTRL_GARTEN) &
219 ~(AGP_AMD64_APCTRL_DISGARTCPU | AGP_AMD64_APCTRL_DISGARTIO),
220 4);
221 }
222
223 agp_flush_cache();
224
225 return 0;
226}
227
228static int
229agp_amd64_detach(device_t dev)
230{
231 struct agp_amd64_softc *sc = device_get_softc(dev);
232 int i, error;
233
234 if ((error = agp_generic_detach(dev)))
235 return error;
236
237 for (i = 0; i < sc->n_mctrl; i++)
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, 4);
241
242 AGP_SET_APERTURE(dev, sc->initial_aperture);
243 agp_free_gatt(sc->gatt);
244
245 return 0;
246}
247
248static uint32_t agp_amd64_table[] = {
249 0x02000000, /* 32 MB */
250 0x04000000, /* 64 MB */
251 0x08000000, /* 128 MB */
252 0x10000000, /* 256 MB */
253 0x20000000, /* 512 MB */
254 0x40000000, /* 1024 MB */
255 0x80000000, /* 2048 MB */
256};
257
258#define AGP_AMD64_TABLE_SIZE \
259 (sizeof(agp_amd64_table) / sizeof(agp_amd64_table[0]))
260
261static uint32_t
262agp_amd64_get_aperture(device_t dev)
263{
264 struct agp_amd64_softc *sc = device_get_softc(dev);
265 uint32_t i;
266
267 i = (pci_cfgregread(0, sc->mctrl[0], 3, AGP_AMD64_APCTRL, 4) &
268 AGP_AMD64_APCTRL_SIZE_MASK) >> 1;
269
270 if (i >= AGP_AMD64_TABLE_SIZE)
271 return 0;
272
273 return (agp_amd64_table[i]);
274}
275
276static int
277agp_amd64_set_aperture(device_t dev, uint32_t aperture)
278{
279 struct agp_amd64_softc *sc = device_get_softc(dev);
280 uint32_t i;
281 int j;
282
283 for (i = 0; i < AGP_AMD64_TABLE_SIZE; i++)
284 if (agp_amd64_table[i] == aperture)
285 break;
286 if (i >= AGP_AMD64_TABLE_SIZE)
287 return EINVAL;
288
289 for (j = 0; j < sc->n_mctrl; j++)
290 pci_cfgregwrite(0, sc->mctrl[j], 3, AGP_AMD64_APCTRL,
291 (pci_cfgregread(0, sc->mctrl[j], 3, AGP_AMD64_APCTRL, 4) &
292 ~(AGP_AMD64_APCTRL_SIZE_MASK)) | (i << 1), 4);
293
294 switch (pci_get_vendor(dev)) {
295 case 0x10b9: /* ULi */
296 return (agp_amd64_uli_set_aperture(dev, aperture));
297 break;
298
299 case 0x10de: /* nVidia */
300 return (agp_amd64_nvidia_set_aperture(dev, aperture));
301 break;
238 /* Install the gatt and enable aperture. */
239 for (i = 0; i < sc->n_mctrl; i++) {
240 pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_ATTBASE,
241 (uint32_t)(gatt->ag_physical >> 8) & AGP_AMD64_ATTBASE_MASK,
242 4);
243 pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL,
244 (pci_cfgregread(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL, 4) |
245 AGP_AMD64_APCTRL_GARTEN) &
246 ~(AGP_AMD64_APCTRL_DISGARTCPU | AGP_AMD64_APCTRL_DISGARTIO),
247 4);
248 }
249
250 agp_flush_cache();
251
252 return 0;
253}
254
255static int
256agp_amd64_detach(device_t dev)
257{
258 struct agp_amd64_softc *sc = device_get_softc(dev);
259 int i, error;
260
261 if ((error = agp_generic_detach(dev)))
262 return error;
263
264 for (i = 0; i < sc->n_mctrl; i++)
265 pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL,
266 pci_cfgregread(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL, 4) &
267 ~AGP_AMD64_APCTRL_GARTEN, 4);
268
269 AGP_SET_APERTURE(dev, sc->initial_aperture);
270 agp_free_gatt(sc->gatt);
271
272 return 0;
273}
274
275static uint32_t agp_amd64_table[] = {
276 0x02000000, /* 32 MB */
277 0x04000000, /* 64 MB */
278 0x08000000, /* 128 MB */
279 0x10000000, /* 256 MB */
280 0x20000000, /* 512 MB */
281 0x40000000, /* 1024 MB */
282 0x80000000, /* 2048 MB */
283};
284
285#define AGP_AMD64_TABLE_SIZE \
286 (sizeof(agp_amd64_table) / sizeof(agp_amd64_table[0]))
287
288static uint32_t
289agp_amd64_get_aperture(device_t dev)
290{
291 struct agp_amd64_softc *sc = device_get_softc(dev);
292 uint32_t i;
293
294 i = (pci_cfgregread(0, sc->mctrl[0], 3, AGP_AMD64_APCTRL, 4) &
295 AGP_AMD64_APCTRL_SIZE_MASK) >> 1;
296
297 if (i >= AGP_AMD64_TABLE_SIZE)
298 return 0;
299
300 return (agp_amd64_table[i]);
301}
302
303static int
304agp_amd64_set_aperture(device_t dev, uint32_t aperture)
305{
306 struct agp_amd64_softc *sc = device_get_softc(dev);
307 uint32_t i;
308 int j;
309
310 for (i = 0; i < AGP_AMD64_TABLE_SIZE; i++)
311 if (agp_amd64_table[i] == aperture)
312 break;
313 if (i >= AGP_AMD64_TABLE_SIZE)
314 return EINVAL;
315
316 for (j = 0; j < sc->n_mctrl; j++)
317 pci_cfgregwrite(0, sc->mctrl[j], 3, AGP_AMD64_APCTRL,
318 (pci_cfgregread(0, sc->mctrl[j], 3, AGP_AMD64_APCTRL, 4) &
319 ~(AGP_AMD64_APCTRL_SIZE_MASK)) | (i << 1), 4);
320
321 switch (pci_get_vendor(dev)) {
322 case 0x10b9: /* ULi */
323 return (agp_amd64_uli_set_aperture(dev, aperture));
324 break;
325
326 case 0x10de: /* nVidia */
327 return (agp_amd64_nvidia_set_aperture(dev, aperture));
328 break;
329
330 case 0x1106: /* VIA */
331 if (sc->via_agp)
332 return (agp_amd64_via_set_aperture(dev, aperture));
333 break;
302 }
303
304 return 0;
305}
306
307static int
308agp_amd64_bind_page(device_t dev, int offset, vm_offset_t physical)
309{
310 struct agp_amd64_softc *sc = device_get_softc(dev);
311
312 if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
313 return EINVAL;
314
315 sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] = physical;
316 return 0;
317}
318
319static int
320agp_amd64_unbind_page(device_t dev, int offset)
321{
322 struct agp_amd64_softc *sc = device_get_softc(dev);
323
324 if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
325 return EINVAL;
326
327 sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] = 0;
328 return 0;
329}
330
331static void
332agp_amd64_flush_tlb(device_t dev)
333{
334 struct agp_amd64_softc *sc = device_get_softc(dev);
335 int i;
336
337 for (i = 0; i < sc->n_mctrl; i++)
338 pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_CACHECTRL,
339 pci_cfgregread(0, sc->mctrl[i], 3, AGP_AMD64_CACHECTRL, 4) |
340 AGP_AMD64_CACHECTRL_INVGART, 4);
341}
342
343static void
344agp_amd64_apbase_fixup(device_t dev)
345{
346 struct agp_amd64_softc *sc = device_get_softc(dev);
347 uint32_t apbase;
348 int i;
349
350 apbase = pci_cfgregread(0, sc->mctrl[0], 3, AGP_AMD64_APBASE, 4);
351 for (i = 0; i < sc->n_mctrl; i++)
352 pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_APBASE,
353 apbase & ~(AGP_AMD64_APBASE_MASK & ~(uint32_t)0x7f), 4);
354 sc->apbase = apbase << 25;
355}
356
357static void
358agp_amd64_uli_init(device_t dev)
359{
360 struct agp_amd64_softc *sc = device_get_softc(dev);
361
362 agp_amd64_apbase_fixup(dev);
363 pci_write_config(dev, AGP_AMD64_ULI_APBASE,
364 (pci_read_config(dev, AGP_AMD64_ULI_APBASE, 4) & 0x0000000f) |
365 sc->apbase, 4);
366 pci_write_config(dev, AGP_AMD64_ULI_HTT_FEATURE, sc->apbase, 4);
367}
368
369static int
370agp_amd64_uli_set_aperture(device_t dev, uint32_t aperture)
371{
372 struct agp_amd64_softc *sc = device_get_softc(dev);
373
374 switch (aperture) {
375 case 0x02000000: /* 32 MB */
376 case 0x04000000: /* 64 MB */
377 case 0x08000000: /* 128 MB */
378 case 0x10000000: /* 256 MB */
379 break;
380 default:
381 return EINVAL;
382 }
383
384 pci_write_config(dev, AGP_AMD64_ULI_ENU_SCR,
385 sc->apbase + aperture - 1, 4);
386
387 return 0;
388}
389
390static void
391agp_amd64_nvidia_init(device_t dev)
392{
393 struct agp_amd64_softc *sc = device_get_softc(dev);
394
395 agp_amd64_apbase_fixup(dev);
396 pci_write_config(dev, AGP_AMD64_NVIDIA_0_APBASE,
397 (pci_read_config(dev, AGP_AMD64_NVIDIA_0_APBASE, 4) & 0x0000000f) |
398 sc->apbase, 4);
399 pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APBASE1, sc->apbase, 4);
400 pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APBASE2, sc->apbase, 4);
401}
402
403static int
404agp_amd64_nvidia_set_aperture(device_t dev, uint32_t aperture)
405{
406 struct agp_amd64_softc *sc = device_get_softc(dev);
407 uint32_t apsize;
408
409 switch (aperture) {
410 case 0x02000000: apsize = 0x0f; break; /* 32 MB */
411 case 0x04000000: apsize = 0x0e; break; /* 64 MB */
412 case 0x08000000: apsize = 0x0c; break; /* 128 MB */
413 case 0x10000000: apsize = 0x08; break; /* 256 MB */
414 case 0x20000000: apsize = 0x00; break; /* 512 MB */
415 default:
416 return EINVAL;
417 }
418
419 pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APSIZE,
420 (pci_cfgregread(0, 11, 0, AGP_AMD64_NVIDIA_1_APSIZE, 4) &
421 0xfffffff0) | apsize, 4);
422 pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APLIMIT1,
423 sc->apbase + aperture - 1, 4);
424 pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APLIMIT2,
425 sc->apbase + aperture - 1, 4);
426
427 return 0;
428}
429
334 }
335
336 return 0;
337}
338
339static int
340agp_amd64_bind_page(device_t dev, int offset, vm_offset_t physical)
341{
342 struct agp_amd64_softc *sc = device_get_softc(dev);
343
344 if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
345 return EINVAL;
346
347 sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] = physical;
348 return 0;
349}
350
351static int
352agp_amd64_unbind_page(device_t dev, int offset)
353{
354 struct agp_amd64_softc *sc = device_get_softc(dev);
355
356 if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
357 return EINVAL;
358
359 sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] = 0;
360 return 0;
361}
362
363static void
364agp_amd64_flush_tlb(device_t dev)
365{
366 struct agp_amd64_softc *sc = device_get_softc(dev);
367 int i;
368
369 for (i = 0; i < sc->n_mctrl; i++)
370 pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_CACHECTRL,
371 pci_cfgregread(0, sc->mctrl[i], 3, AGP_AMD64_CACHECTRL, 4) |
372 AGP_AMD64_CACHECTRL_INVGART, 4);
373}
374
375static void
376agp_amd64_apbase_fixup(device_t dev)
377{
378 struct agp_amd64_softc *sc = device_get_softc(dev);
379 uint32_t apbase;
380 int i;
381
382 apbase = pci_cfgregread(0, sc->mctrl[0], 3, AGP_AMD64_APBASE, 4);
383 for (i = 0; i < sc->n_mctrl; i++)
384 pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_APBASE,
385 apbase & ~(AGP_AMD64_APBASE_MASK & ~(uint32_t)0x7f), 4);
386 sc->apbase = apbase << 25;
387}
388
389static void
390agp_amd64_uli_init(device_t dev)
391{
392 struct agp_amd64_softc *sc = device_get_softc(dev);
393
394 agp_amd64_apbase_fixup(dev);
395 pci_write_config(dev, AGP_AMD64_ULI_APBASE,
396 (pci_read_config(dev, AGP_AMD64_ULI_APBASE, 4) & 0x0000000f) |
397 sc->apbase, 4);
398 pci_write_config(dev, AGP_AMD64_ULI_HTT_FEATURE, sc->apbase, 4);
399}
400
401static int
402agp_amd64_uli_set_aperture(device_t dev, uint32_t aperture)
403{
404 struct agp_amd64_softc *sc = device_get_softc(dev);
405
406 switch (aperture) {
407 case 0x02000000: /* 32 MB */
408 case 0x04000000: /* 64 MB */
409 case 0x08000000: /* 128 MB */
410 case 0x10000000: /* 256 MB */
411 break;
412 default:
413 return EINVAL;
414 }
415
416 pci_write_config(dev, AGP_AMD64_ULI_ENU_SCR,
417 sc->apbase + aperture - 1, 4);
418
419 return 0;
420}
421
422static void
423agp_amd64_nvidia_init(device_t dev)
424{
425 struct agp_amd64_softc *sc = device_get_softc(dev);
426
427 agp_amd64_apbase_fixup(dev);
428 pci_write_config(dev, AGP_AMD64_NVIDIA_0_APBASE,
429 (pci_read_config(dev, AGP_AMD64_NVIDIA_0_APBASE, 4) & 0x0000000f) |
430 sc->apbase, 4);
431 pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APBASE1, sc->apbase, 4);
432 pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APBASE2, sc->apbase, 4);
433}
434
435static int
436agp_amd64_nvidia_set_aperture(device_t dev, uint32_t aperture)
437{
438 struct agp_amd64_softc *sc = device_get_softc(dev);
439 uint32_t apsize;
440
441 switch (aperture) {
442 case 0x02000000: apsize = 0x0f; break; /* 32 MB */
443 case 0x04000000: apsize = 0x0e; break; /* 64 MB */
444 case 0x08000000: apsize = 0x0c; break; /* 128 MB */
445 case 0x10000000: apsize = 0x08; break; /* 256 MB */
446 case 0x20000000: apsize = 0x00; break; /* 512 MB */
447 default:
448 return EINVAL;
449 }
450
451 pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APSIZE,
452 (pci_cfgregread(0, 11, 0, AGP_AMD64_NVIDIA_1_APSIZE, 4) &
453 0xfffffff0) | apsize, 4);
454 pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APLIMIT1,
455 sc->apbase + aperture - 1, 4);
456 pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APLIMIT2,
457 sc->apbase + aperture - 1, 4);
458
459 return 0;
460}
461
462static void
463agp_amd64_via_init(device_t dev)
464{
465 struct agp_amd64_softc *sc = device_get_softc(dev);
466
467 agp_amd64_apbase_fixup(dev);
468 pci_cfgregwrite(0, 1, 0, AGP3_VIA_ATTBASE, sc->gatt->ag_physical, 4);
469 pci_cfgregwrite(0, 1, 0, AGP3_VIA_GARTCTRL,
470 pci_cfgregread(0, 1, 0, AGP3_VIA_ATTBASE, 4) | 0x180, 4);
471}
472
473static int
474agp_amd64_via_set_aperture(device_t dev, uint32_t aperture)
475{
476 uint32_t apsize;
477
478 apsize = ((aperture - 1) >> 20) ^ 0xff;
479 if ((((apsize ^ 0xff) << 20) | ((1 << 20) - 1)) + 1 != aperture)
480 return EINVAL;
481 pci_cfgregwrite(0, 1, 0, AGP3_VIA_APSIZE, apsize, 1);
482
483 return 0;
484}
485
430static device_method_t agp_amd64_methods[] = {
431 /* Device interface */
432 DEVMETHOD(device_probe, agp_amd64_probe),
433 DEVMETHOD(device_attach, agp_amd64_attach),
434 DEVMETHOD(device_detach, agp_amd64_detach),
435 DEVMETHOD(device_shutdown, bus_generic_shutdown),
436 DEVMETHOD(device_suspend, bus_generic_suspend),
437 DEVMETHOD(device_resume, bus_generic_resume),
438
439 /* AGP interface */
440 DEVMETHOD(agp_get_aperture, agp_amd64_get_aperture),
441 DEVMETHOD(agp_set_aperture, agp_amd64_set_aperture),
442 DEVMETHOD(agp_bind_page, agp_amd64_bind_page),
443 DEVMETHOD(agp_unbind_page, agp_amd64_unbind_page),
444 DEVMETHOD(agp_flush_tlb, agp_amd64_flush_tlb),
445 DEVMETHOD(agp_enable, agp_generic_enable),
446 DEVMETHOD(agp_alloc_memory, agp_generic_alloc_memory),
447 DEVMETHOD(agp_free_memory, agp_generic_free_memory),
448 DEVMETHOD(agp_bind_memory, agp_generic_bind_memory),
449 DEVMETHOD(agp_unbind_memory, agp_generic_unbind_memory),
450
451 { 0, 0 }
452};
453
454static driver_t agp_amd64_driver = {
455 "agp",
456 agp_amd64_methods,
457 sizeof(struct agp_amd64_softc),
458};
459
460static devclass_t agp_devclass;
461
462DRIVER_MODULE(agp_amd64, pci, agp_amd64_driver, agp_devclass, 0, 0);
463MODULE_DEPEND(agp_amd64, agp, 1, 1, 1);
464MODULE_DEPEND(agp_amd64, pci, 1, 1, 1);
486static device_method_t agp_amd64_methods[] = {
487 /* Device interface */
488 DEVMETHOD(device_probe, agp_amd64_probe),
489 DEVMETHOD(device_attach, agp_amd64_attach),
490 DEVMETHOD(device_detach, agp_amd64_detach),
491 DEVMETHOD(device_shutdown, bus_generic_shutdown),
492 DEVMETHOD(device_suspend, bus_generic_suspend),
493 DEVMETHOD(device_resume, bus_generic_resume),
494
495 /* AGP interface */
496 DEVMETHOD(agp_get_aperture, agp_amd64_get_aperture),
497 DEVMETHOD(agp_set_aperture, agp_amd64_set_aperture),
498 DEVMETHOD(agp_bind_page, agp_amd64_bind_page),
499 DEVMETHOD(agp_unbind_page, agp_amd64_unbind_page),
500 DEVMETHOD(agp_flush_tlb, agp_amd64_flush_tlb),
501 DEVMETHOD(agp_enable, agp_generic_enable),
502 DEVMETHOD(agp_alloc_memory, agp_generic_alloc_memory),
503 DEVMETHOD(agp_free_memory, agp_generic_free_memory),
504 DEVMETHOD(agp_bind_memory, agp_generic_bind_memory),
505 DEVMETHOD(agp_unbind_memory, agp_generic_unbind_memory),
506
507 { 0, 0 }
508};
509
510static driver_t agp_amd64_driver = {
511 "agp",
512 agp_amd64_methods,
513 sizeof(struct agp_amd64_softc),
514};
515
516static devclass_t agp_devclass;
517
518DRIVER_MODULE(agp_amd64, pci, agp_amd64_driver, agp_devclass, 0, 0);
519MODULE_DEPEND(agp_amd64, agp, 1, 1, 1);
520MODULE_DEPEND(agp_amd64, pci, 1, 1, 1);