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