2 * Copyright 2012 Red Hat Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
25 #include <core/object.h>
26 #include <core/device.h>
27 #include <core/client.h>
28 #include <core/option.h>
30 #include <core/class.h>
34 static DEFINE_MUTEX(nv_devices_mutex);
35 static LIST_HEAD(nv_devices);
37 struct nouveau_device *
38 nouveau_device_find(u64 name)
40 struct nouveau_device *device, *match = NULL;
41 mutex_lock(&nv_devices_mutex);
42 list_for_each_entry(device, &nv_devices, head) {
43 if (device->handle == name) {
48 mutex_unlock(&nv_devices_mutex);
52 /******************************************************************************
53 * nouveau_devobj (0x0080): class implementation
54 *****************************************************************************/
55 struct nouveau_devobj {
56 struct nouveau_parent base;
57 struct nouveau_object *subdev[NVDEV_SUBDEV_NR];
60 static const u64 disable_map[] = {
61 [NVDEV_SUBDEV_VBIOS] = NV_DEVICE_DISABLE_VBIOS,
62 [NVDEV_SUBDEV_DEVINIT] = NV_DEVICE_DISABLE_CORE,
63 [NVDEV_SUBDEV_GPIO] = NV_DEVICE_DISABLE_CORE,
64 [NVDEV_SUBDEV_I2C] = NV_DEVICE_DISABLE_CORE,
65 [NVDEV_SUBDEV_CLOCK] = NV_DEVICE_DISABLE_CORE,
66 [NVDEV_SUBDEV_MXM] = NV_DEVICE_DISABLE_CORE,
67 [NVDEV_SUBDEV_MC] = NV_DEVICE_DISABLE_CORE,
68 [NVDEV_SUBDEV_BUS] = NV_DEVICE_DISABLE_CORE,
69 [NVDEV_SUBDEV_TIMER] = NV_DEVICE_DISABLE_CORE,
70 [NVDEV_SUBDEV_FB] = NV_DEVICE_DISABLE_CORE,
71 [NVDEV_SUBDEV_LTCG] = NV_DEVICE_DISABLE_CORE,
72 [NVDEV_SUBDEV_IBUS] = NV_DEVICE_DISABLE_CORE,
73 [NVDEV_SUBDEV_INSTMEM] = NV_DEVICE_DISABLE_CORE,
74 [NVDEV_SUBDEV_VM] = NV_DEVICE_DISABLE_CORE,
75 [NVDEV_SUBDEV_BAR] = NV_DEVICE_DISABLE_CORE,
76 [NVDEV_SUBDEV_VOLT] = NV_DEVICE_DISABLE_CORE,
77 [NVDEV_SUBDEV_THERM] = NV_DEVICE_DISABLE_CORE,
78 [NVDEV_SUBDEV_PWR] = NV_DEVICE_DISABLE_CORE,
79 [NVDEV_ENGINE_DMAOBJ] = NV_DEVICE_DISABLE_CORE,
80 [NVDEV_ENGINE_PERFMON] = NV_DEVICE_DISABLE_CORE,
81 [NVDEV_ENGINE_FIFO] = NV_DEVICE_DISABLE_FIFO,
82 [NVDEV_ENGINE_SW] = NV_DEVICE_DISABLE_FIFO,
83 [NVDEV_ENGINE_GR] = NV_DEVICE_DISABLE_GRAPH,
84 [NVDEV_ENGINE_MPEG] = NV_DEVICE_DISABLE_MPEG,
85 [NVDEV_ENGINE_ME] = NV_DEVICE_DISABLE_ME,
86 [NVDEV_ENGINE_VP] = NV_DEVICE_DISABLE_VP,
87 [NVDEV_ENGINE_CRYPT] = NV_DEVICE_DISABLE_CRYPT,
88 [NVDEV_ENGINE_BSP] = NV_DEVICE_DISABLE_BSP,
89 [NVDEV_ENGINE_PPP] = NV_DEVICE_DISABLE_PPP,
90 [NVDEV_ENGINE_COPY0] = NV_DEVICE_DISABLE_COPY0,
91 [NVDEV_ENGINE_COPY1] = NV_DEVICE_DISABLE_COPY1,
92 [NVDEV_ENGINE_VIC] = NV_DEVICE_DISABLE_VIC,
93 [NVDEV_ENGINE_VENC] = NV_DEVICE_DISABLE_VENC,
94 [NVDEV_ENGINE_DISP] = NV_DEVICE_DISABLE_DISP,
95 [NVDEV_SUBDEV_NR] = 0,
99 nouveau_devobj_ctor(struct nouveau_object *parent,
100 struct nouveau_object *engine,
101 struct nouveau_oclass *oclass, void *data, u32 size,
102 struct nouveau_object **pobject)
104 struct nouveau_client *client = nv_client(parent);
105 struct nouveau_device *device;
106 struct nouveau_devobj *devobj;
107 struct nv_device_class *args = data;
109 u64 disable, mmio_base, mmio_size;
113 if (size < sizeof(struct nv_device_class))
116 /* find the device subdev that matches what the client requested */
117 device = nv_device(client->device);
118 if (args->device != ~0) {
119 device = nouveau_device_find(args->device);
124 ret = nouveau_parent_create(parent, nv_object(device), oclass, 0,
125 nouveau_control_oclass,
126 (1ULL << NVDEV_ENGINE_DMAOBJ) |
127 (1ULL << NVDEV_ENGINE_FIFO) |
128 (1ULL << NVDEV_ENGINE_DISP) |
129 (1ULL << NVDEV_ENGINE_PERFMON), &devobj);
130 *pobject = nv_object(devobj);
134 mmio_base = pci_resource_start(device->pdev, 0);
135 mmio_size = pci_resource_len(device->pdev, 0);
137 /* translate api disable mask into internal mapping */
138 disable = args->debug0;
139 for (i = 0; i < NVDEV_SUBDEV_NR; i++) {
140 if (args->disable & disable_map[i])
141 disable |= (1ULL << i);
144 /* identify the chipset, and determine classes of subdev/engines */
145 if (!(args->disable & NV_DEVICE_DISABLE_IDENTIFY) &&
146 !device->card_type) {
147 map = ioremap(mmio_base, 0x102000);
151 /* switch mmio to cpu's native endianness */
153 if (ioread32_native(map + 0x000004) != 0x00000000)
155 if (ioread32_native(map + 0x000004) == 0x00000000)
157 iowrite32_native(0x01000001, map + 0x000004);
159 /* read boot0 and strapping information */
160 boot0 = ioread32_native(map + 0x000000);
161 strap = ioread32_native(map + 0x101000);
164 /* determine chipset and derive architecture from it */
165 if ((boot0 & 0x1f000000) > 0) {
166 device->chipset = (boot0 & 0x1ff00000) >> 20;
167 switch (device->chipset & 0x1f0) {
169 if (0x461 & (1 << (device->chipset & 0xf)))
170 device->card_type = NV_10;
172 device->card_type = NV_11;
175 case 0x020: device->card_type = NV_20; break;
176 case 0x030: device->card_type = NV_30; break;
178 case 0x060: device->card_type = NV_40; break;
182 case 0x0a0: device->card_type = NV_50; break;
183 case 0x0c0: device->card_type = NV_C0; break;
184 case 0x0d0: device->card_type = NV_D0; break;
187 case 0x100: device->card_type = NV_E0; break;
192 if ((boot0 & 0xff00fff0) == 0x20004000) {
193 if (boot0 & 0x00f00000)
194 device->chipset = 0x05;
196 device->chipset = 0x04;
197 device->card_type = NV_04;
200 switch (device->card_type) {
201 case NV_04: ret = nv04_identify(device); break;
203 case NV_11: ret = nv10_identify(device); break;
204 case NV_20: ret = nv20_identify(device); break;
205 case NV_30: ret = nv30_identify(device); break;
206 case NV_40: ret = nv40_identify(device); break;
207 case NV_50: ret = nv50_identify(device); break;
209 case NV_D0: ret = nvc0_identify(device); break;
210 case NV_E0: ret = nve0_identify(device); break;
217 nv_error(device, "unknown chipset, 0x%08x\n", boot0);
221 nv_info(device, "BOOT0 : 0x%08x\n", boot0);
222 nv_info(device, "Chipset: %s (NV%02X)\n",
223 device->cname, device->chipset);
224 nv_info(device, "Family : NV%02X\n", device->card_type);
226 /* determine frequency of timing crystal */
227 if ( device->card_type <= NV_10 || device->chipset < 0x17 ||
228 (device->chipset >= 0x20 && device->chipset < 0x25))
234 case 0x00000000: device->crystal = 13500; break;
235 case 0x00000040: device->crystal = 14318; break;
236 case 0x00400000: device->crystal = 27000; break;
237 case 0x00400040: device->crystal = 25000; break;
240 nv_debug(device, "crystal freq: %dKHz\n", device->crystal);
243 if (!(args->disable & NV_DEVICE_DISABLE_MMIO) &&
244 !nv_subdev(device)->mmio) {
245 nv_subdev(device)->mmio = ioremap(mmio_base, mmio_size);
246 if (!nv_subdev(device)->mmio) {
247 nv_error(device, "unable to map device registers\n");
252 /* ensure requested subsystems are available for use */
253 for (i = 1, c = 1; i < NVDEV_SUBDEV_NR; i++) {
254 if (!(oclass = device->oclass[i]) || (disable & (1ULL << i)))
257 if (device->subdev[i]) {
258 nouveau_object_ref(device->subdev[i],
263 ret = nouveau_object_ctor(nv_object(device), NULL,
271 /* note: can't init *any* subdevs until devinit has been run
272 * due to not knowing exactly what the vbios init tables will
273 * mess with. devinit also can't be run until all of its
274 * dependencies have been created.
276 * this code delays init of any subdev until all of devinit's
277 * dependencies have been created, and then initialises each
278 * subdev in turn as they're created.
280 while (i >= NVDEV_SUBDEV_DEVINIT_LAST && c <= i) {
281 struct nouveau_object *subdev = devobj->subdev[c++];
282 if (subdev && !nv_iclass(subdev, NV_ENGINE_CLASS)) {
283 ret = nouveau_object_inc(subdev);
286 atomic_dec(&nv_object(device)->usecount);
289 nouveau_subdev_reset(subdev);
298 nouveau_devobj_dtor(struct nouveau_object *object)
300 struct nouveau_devobj *devobj = (void *)object;
303 for (i = NVDEV_SUBDEV_NR - 1; i >= 0; i--)
304 nouveau_object_ref(NULL, &devobj->subdev[i]);
306 nouveau_parent_destroy(&devobj->base);
310 nouveau_devobj_rd08(struct nouveau_object *object, u64 addr)
312 return nv_rd08(object->engine, addr);
316 nouveau_devobj_rd16(struct nouveau_object *object, u64 addr)
318 return nv_rd16(object->engine, addr);
322 nouveau_devobj_rd32(struct nouveau_object *object, u64 addr)
324 return nv_rd32(object->engine, addr);
328 nouveau_devobj_wr08(struct nouveau_object *object, u64 addr, u8 data)
330 nv_wr08(object->engine, addr, data);
334 nouveau_devobj_wr16(struct nouveau_object *object, u64 addr, u16 data)
336 nv_wr16(object->engine, addr, data);
340 nouveau_devobj_wr32(struct nouveau_object *object, u64 addr, u32 data)
342 nv_wr32(object->engine, addr, data);
345 static struct nouveau_ofuncs
346 nouveau_devobj_ofuncs = {
347 .ctor = nouveau_devobj_ctor,
348 .dtor = nouveau_devobj_dtor,
349 .init = _nouveau_parent_init,
350 .fini = _nouveau_parent_fini,
351 .rd08 = nouveau_devobj_rd08,
352 .rd16 = nouveau_devobj_rd16,
353 .rd32 = nouveau_devobj_rd32,
354 .wr08 = nouveau_devobj_wr08,
355 .wr16 = nouveau_devobj_wr16,
356 .wr32 = nouveau_devobj_wr32,
359 /******************************************************************************
360 * nouveau_device: engine functions
361 *****************************************************************************/
362 static struct nouveau_oclass
363 nouveau_device_sclass[] = {
364 { 0x0080, &nouveau_devobj_ofuncs },
369 nouveau_device_fini(struct nouveau_object *object, bool suspend)
371 struct nouveau_device *device = (void *)object;
372 struct nouveau_object *subdev;
375 for (i = NVDEV_SUBDEV_NR - 1; i >= 0; i--) {
376 if ((subdev = device->subdev[i])) {
377 if (!nv_iclass(subdev, NV_ENGINE_CLASS)) {
378 ret = nouveau_object_dec(subdev, suspend);
387 for (; ret && i < NVDEV_SUBDEV_NR; i++) {
388 if ((subdev = device->subdev[i])) {
389 if (!nv_iclass(subdev, NV_ENGINE_CLASS)) {
390 ret = nouveau_object_inc(subdev);
402 nouveau_device_init(struct nouveau_object *object)
404 struct nouveau_device *device = (void *)object;
405 struct nouveau_object *subdev;
408 for (i = 0; i < NVDEV_SUBDEV_NR; i++) {
409 if ((subdev = device->subdev[i])) {
410 if (!nv_iclass(subdev, NV_ENGINE_CLASS)) {
411 ret = nouveau_object_inc(subdev);
415 nouveau_subdev_reset(subdev);
422 for (--i; ret && i >= 0; i--) {
423 if ((subdev = device->subdev[i])) {
424 if (!nv_iclass(subdev, NV_ENGINE_CLASS))
425 nouveau_object_dec(subdev, false);
433 nouveau_device_dtor(struct nouveau_object *object)
435 struct nouveau_device *device = (void *)object;
437 mutex_lock(&nv_devices_mutex);
438 list_del(&device->head);
439 mutex_unlock(&nv_devices_mutex);
441 if (nv_subdev(device)->mmio)
442 iounmap(nv_subdev(device)->mmio);
444 nouveau_engine_destroy(&device->base);
447 static struct nouveau_oclass
448 nouveau_device_oclass = {
449 .handle = NV_ENGINE(DEVICE, 0x00),
450 .ofuncs = &(struct nouveau_ofuncs) {
451 .dtor = nouveau_device_dtor,
452 .init = nouveau_device_init,
453 .fini = nouveau_device_fini,
458 nouveau_device_create_(struct pci_dev *pdev, u64 name, const char *sname,
459 const char *cfg, const char *dbg,
460 int length, void **pobject)
462 struct nouveau_device *device;
465 mutex_lock(&nv_devices_mutex);
466 list_for_each_entry(device, &nv_devices, head) {
467 if (device->handle == name)
471 ret = nouveau_engine_create_(NULL, NULL, &nouveau_device_oclass, true,
472 "DEVICE", "device", length, pobject);
478 device->handle = name;
479 device->cfgopt = cfg;
480 device->dbgopt = dbg;
481 device->name = sname;
483 nv_subdev(device)->debug = nouveau_dbgopt(device->dbgopt, "DEVICE");
484 nv_engine(device)->sclass = nouveau_device_sclass;
485 list_add(&device->head, &nv_devices);
487 mutex_unlock(&nv_devices_mutex);