| /* |
| * Copyright 2012 Red Hat Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: Ben Skeggs |
| */ |
| #include "priv.h" |
| |
| #include <core/client.h> |
| #include <subdev/fb.h> |
| #include <subdev/instmem.h> |
| |
| #include <nvif/class.h> |
| #include <nvif/unpack.h> |
| |
| struct nvkm_udevice { |
| struct nvkm_parent base; |
| struct nvkm_device *device; |
| }; |
| |
| static int |
| nvkm_udevice_info(struct nvkm_object *object, void *data, u32 size) |
| { |
| struct nvkm_udevice *udev = (void *)object; |
| struct nvkm_device *device = udev->device; |
| struct nvkm_fb *fb = device->fb; |
| struct nvkm_instmem *imem = device->imem; |
| union { |
| struct nv_device_info_v0 v0; |
| } *args = data; |
| int ret; |
| |
| nvif_ioctl(object, "device info size %d\n", size); |
| if (nvif_unpack(args->v0, 0, 0, false)) { |
| nvif_ioctl(object, "device info vers %d\n", args->v0.version); |
| } else |
| return ret; |
| |
| switch (device->chipset) { |
| case 0x01a: |
| case 0x01f: |
| case 0x04c: |
| case 0x04e: |
| case 0x063: |
| case 0x067: |
| case 0x068: |
| case 0x0aa: |
| case 0x0ac: |
| case 0x0af: |
| args->v0.platform = NV_DEVICE_INFO_V0_IGP; |
| break; |
| default: |
| if (device->pdev) { |
| if (pci_find_capability(device->pdev, PCI_CAP_ID_AGP)) |
| args->v0.platform = NV_DEVICE_INFO_V0_AGP; |
| else |
| if (pci_is_pcie(device->pdev)) |
| args->v0.platform = NV_DEVICE_INFO_V0_PCIE; |
| else |
| args->v0.platform = NV_DEVICE_INFO_V0_PCI; |
| } else { |
| args->v0.platform = NV_DEVICE_INFO_V0_SOC; |
| } |
| break; |
| } |
| |
| switch (device->card_type) { |
| case NV_04: args->v0.family = NV_DEVICE_INFO_V0_TNT; break; |
| case NV_10: |
| case NV_11: args->v0.family = NV_DEVICE_INFO_V0_CELSIUS; break; |
| case NV_20: args->v0.family = NV_DEVICE_INFO_V0_KELVIN; break; |
| case NV_30: args->v0.family = NV_DEVICE_INFO_V0_RANKINE; break; |
| case NV_40: args->v0.family = NV_DEVICE_INFO_V0_CURIE; break; |
| case NV_50: args->v0.family = NV_DEVICE_INFO_V0_TESLA; break; |
| case NV_C0: args->v0.family = NV_DEVICE_INFO_V0_FERMI; break; |
| case NV_E0: args->v0.family = NV_DEVICE_INFO_V0_KEPLER; break; |
| case GM100: args->v0.family = NV_DEVICE_INFO_V0_MAXWELL; break; |
| default: |
| args->v0.family = 0; |
| break; |
| } |
| |
| args->v0.chipset = device->chipset; |
| args->v0.revision = device->chiprev; |
| if (fb && fb->ram) |
| args->v0.ram_size = args->v0.ram_user = fb->ram->size; |
| else |
| args->v0.ram_size = args->v0.ram_user = 0; |
| if (imem && args->v0.ram_size > 0) |
| args->v0.ram_user = args->v0.ram_user - imem->reserved; |
| |
| return 0; |
| } |
| |
| static int |
| nvkm_udevice_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size) |
| { |
| switch (mthd) { |
| case NV_DEVICE_V0_INFO: |
| return nvkm_udevice_info(object, data, size); |
| default: |
| break; |
| } |
| return -EINVAL; |
| } |
| |
| static u8 |
| nvkm_udevice_rd08(struct nvkm_object *object, u64 addr) |
| { |
| struct nvkm_udevice *udev = (void *)object; |
| return nvkm_rd08(udev->device, addr); |
| } |
| |
| static u16 |
| nvkm_udevice_rd16(struct nvkm_object *object, u64 addr) |
| { |
| struct nvkm_udevice *udev = (void *)object; |
| return nvkm_rd16(udev->device, addr); |
| } |
| |
| static u32 |
| nvkm_udevice_rd32(struct nvkm_object *object, u64 addr) |
| { |
| struct nvkm_udevice *udev = (void *)object; |
| return nvkm_rd32(udev->device, addr); |
| } |
| |
| static void |
| nvkm_udevice_wr08(struct nvkm_object *object, u64 addr, u8 data) |
| { |
| struct nvkm_udevice *udev = (void *)object; |
| nvkm_wr08(udev->device, addr, data); |
| } |
| |
| static void |
| nvkm_udevice_wr16(struct nvkm_object *object, u64 addr, u16 data) |
| { |
| struct nvkm_udevice *udev = (void *)object; |
| nvkm_wr16(udev->device, addr, data); |
| } |
| |
| static void |
| nvkm_udevice_wr32(struct nvkm_object *object, u64 addr, u32 data) |
| { |
| struct nvkm_udevice *udev = (void *)object; |
| nvkm_wr32(udev->device, addr, data); |
| } |
| |
| static int |
| nvkm_udevice_map(struct nvkm_object *object, u64 *addr, u32 *size) |
| { |
| struct nvkm_udevice *udev = (void *)object; |
| struct nvkm_device *device = udev->device; |
| *addr = nv_device_resource_start(device, 0); |
| *size = nv_device_resource_len(device, 0); |
| return 0; |
| } |
| |
| static int |
| nvkm_udevice_fini(struct nvkm_object *object, bool suspend) |
| { |
| struct nvkm_udevice *udev = (void *)object; |
| struct nvkm_device *device = udev->device; |
| int ret = 0; |
| |
| mutex_lock(&device->mutex); |
| if (!--device->refcount) { |
| ret = nvkm_device_fini(device, suspend); |
| if (ret && suspend) { |
| device->refcount++; |
| goto done; |
| } |
| } |
| |
| done: |
| mutex_unlock(&device->mutex); |
| return ret; |
| } |
| |
| static int |
| nvkm_udevice_init(struct nvkm_object *object) |
| { |
| struct nvkm_udevice *udev = (void *)object; |
| struct nvkm_device *device = udev->device; |
| int ret = 0; |
| |
| mutex_lock(&device->mutex); |
| if (!device->refcount++) { |
| ret = nvkm_device_init(device); |
| if (ret) { |
| device->refcount--; |
| goto done; |
| } |
| } |
| |
| done: |
| mutex_unlock(&device->mutex); |
| return ret; |
| } |
| |
| static struct nvkm_oclass |
| nvkm_udevice_oclass_super = { |
| .handle = NV_DEVICE, |
| .ofuncs = &(struct nvkm_ofuncs) { |
| .dtor = _nvkm_parent_dtor, |
| .init = nvkm_udevice_init, |
| .fini = nvkm_udevice_fini, |
| .mthd = nvkm_udevice_mthd, |
| .map = nvkm_udevice_map, |
| .rd08 = nvkm_udevice_rd08, |
| .rd16 = nvkm_udevice_rd16, |
| .rd32 = nvkm_udevice_rd32, |
| .wr08 = nvkm_udevice_wr08, |
| .wr16 = nvkm_udevice_wr16, |
| .wr32 = nvkm_udevice_wr32, |
| } |
| }; |
| |
| static int |
| nvkm_udevice_ctor(struct nvkm_object *parent, struct nvkm_object *engine, |
| struct nvkm_oclass *oclass, void *data, u32 size, |
| struct nvkm_object **pobject) |
| { |
| union { |
| struct nv_device_v0 v0; |
| } *args = data; |
| struct nvkm_client *client = nvkm_client(parent); |
| struct nvkm_device *device; |
| struct nvkm_udevice *udev; |
| int ret; |
| |
| nvif_ioctl(parent, "create device size %d\n", size); |
| if (nvif_unpack(args->v0, 0, 0, false)) { |
| nvif_ioctl(parent, "create device v%d device %016llx\n", |
| args->v0.version, args->v0.device); |
| } else |
| return ret; |
| |
| /* give priviledged clients register access */ |
| if (client->super) |
| oclass = &nvkm_udevice_oclass_super; |
| |
| /* find the device subdev that matches what the client requested */ |
| if (args->v0.device != ~0) |
| device = nvkm_device_find(args->v0.device); |
| else |
| device = nvkm_device_find(client->device); |
| if (!device) |
| return -ENODEV; |
| |
| ret = nvkm_parent_create(parent, NULL, oclass, 0, nvkm_control_oclass, |
| (1ULL << NVDEV_ENGINE_DMAOBJ) | |
| (1ULL << NVDEV_ENGINE_FIFO) | |
| (1ULL << NVDEV_ENGINE_DISP) | |
| (1ULL << NVDEV_ENGINE_PM), &udev); |
| *pobject = nv_object(udev); |
| if (ret) |
| return ret; |
| |
| udev->device = device; |
| return 0; |
| } |
| |
| struct nvkm_ofuncs |
| nvkm_udevice_ofuncs = { |
| .ctor = nvkm_udevice_ctor, |
| .dtor = _nvkm_parent_dtor, |
| .init = nvkm_udevice_init, |
| .fini = nvkm_udevice_fini, |
| .mthd = nvkm_udevice_mthd, |
| }; |