385 lines
9.9 KiB
C
385 lines
9.9 KiB
C
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/*
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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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#define nvkm_udevice(p) container_of((p), struct nvkm_udevice, object)
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#include "priv.h"
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#include "ctrl.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 <subdev/timer.h>
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#include <nvif/class.h>
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#include <nvif/cl0080.h>
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#include <nvif/unpack.h>
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struct nvkm_udevice {
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struct nvkm_object object;
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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_udevice *udev, void *data, u32 size)
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{
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struct nvkm_object *object = &udev->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 = -ENOSYS;
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nvif_ioctl(object, "device info size %d\n", size);
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if (!(ret = nvif_unpack(ret, &data, &size, 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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switch (device->type) {
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case NVKM_DEVICE_PCI:
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args->v0.platform = NV_DEVICE_INFO_V0_PCI;
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break;
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case NVKM_DEVICE_AGP:
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args->v0.platform = NV_DEVICE_INFO_V0_AGP;
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break;
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case NVKM_DEVICE_PCIE:
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args->v0.platform = NV_DEVICE_INFO_V0_PCIE;
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break;
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case NVKM_DEVICE_TEGRA:
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args->v0.platform = NV_DEVICE_INFO_V0_SOC;
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break;
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default:
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WARN_ON(1);
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break;
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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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case GP100: args->v0.family = NV_DEVICE_INFO_V0_PASCAL; 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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strncpy(args->v0.chip, device->chip->name, sizeof(args->v0.chip));
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strncpy(args->v0.name, device->name, sizeof(args->v0.name));
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return 0;
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}
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static int
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nvkm_udevice_time(struct nvkm_udevice *udev, void *data, u32 size)
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{
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struct nvkm_object *object = &udev->object;
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struct nvkm_device *device = udev->device;
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union {
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struct nv_device_time_v0 v0;
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} *args = data;
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int ret = -ENOSYS;
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nvif_ioctl(object, "device time size %d\n", size);
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if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
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nvif_ioctl(object, "device time vers %d\n", args->v0.version);
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args->v0.time = nvkm_timer_read(device->timer);
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}
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return ret;
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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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struct nvkm_udevice *udev = nvkm_udevice(object);
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nvif_ioctl(object, "device mthd %08x\n", mthd);
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switch (mthd) {
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case NV_DEVICE_V0_INFO:
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return nvkm_udevice_info(udev, data, size);
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case NV_DEVICE_V0_TIME:
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return nvkm_udevice_time(udev, 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 int
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nvkm_udevice_rd08(struct nvkm_object *object, u64 addr, u8 *data)
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{
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struct nvkm_udevice *udev = nvkm_udevice(object);
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*data = nvkm_rd08(udev->device, addr);
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return 0;
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}
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static int
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nvkm_udevice_rd16(struct nvkm_object *object, u64 addr, u16 *data)
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{
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struct nvkm_udevice *udev = nvkm_udevice(object);
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*data = nvkm_rd16(udev->device, addr);
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return 0;
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}
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static int
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nvkm_udevice_rd32(struct nvkm_object *object, u64 addr, u32 *data)
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{
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struct nvkm_udevice *udev = nvkm_udevice(object);
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*data = nvkm_rd32(udev->device, addr);
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return 0;
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}
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static int
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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 = nvkm_udevice(object);
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nvkm_wr08(udev->device, addr, data);
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return 0;
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}
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static int
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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 = nvkm_udevice(object);
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nvkm_wr16(udev->device, addr, data);
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return 0;
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}
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static int
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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 = nvkm_udevice(object);
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nvkm_wr32(udev->device, addr, data);
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return 0;
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}
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static int
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nvkm_udevice_map(struct nvkm_object *object, void *argv, u32 argc,
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enum nvkm_object_map *type, u64 *addr, u64 *size)
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{
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struct nvkm_udevice *udev = nvkm_udevice(object);
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struct nvkm_device *device = udev->device;
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*type = NVKM_OBJECT_MAP_IO;
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*addr = device->func->resource_addr(device, 0);
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*size = device->func->resource_size(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 = nvkm_udevice(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 = nvkm_udevice(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 int
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nvkm_udevice_child_new(const struct nvkm_oclass *oclass,
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void *data, u32 size, struct nvkm_object **pobject)
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{
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struct nvkm_udevice *udev = nvkm_udevice(oclass->parent);
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const struct nvkm_device_oclass *sclass = oclass->priv;
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return sclass->ctor(udev->device, oclass, data, size, pobject);
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}
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static int
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nvkm_udevice_child_get(struct nvkm_object *object, int index,
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struct nvkm_oclass *oclass)
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{
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struct nvkm_udevice *udev = nvkm_udevice(object);
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struct nvkm_device *device = udev->device;
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struct nvkm_engine *engine;
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u64 mask = (1ULL << NVKM_ENGINE_DMAOBJ) |
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(1ULL << NVKM_ENGINE_FIFO) |
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(1ULL << NVKM_ENGINE_DISP) |
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(1ULL << NVKM_ENGINE_PM);
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const struct nvkm_device_oclass *sclass = NULL;
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int i;
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for (; i = __ffs64(mask), mask && !sclass; mask &= ~(1ULL << i)) {
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if (!(engine = nvkm_device_engine(device, i)) ||
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!(engine->func->base.sclass))
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continue;
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oclass->engine = engine;
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index -= engine->func->base.sclass(oclass, index, &sclass);
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}
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if (!sclass) {
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switch (index) {
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case 0: sclass = &nvkm_control_oclass; break;
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case 1:
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if (!device->mmu)
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return -EINVAL;
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sclass = &device->mmu->user;
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break;
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default:
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return -EINVAL;
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}
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oclass->base = sclass->base;
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}
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oclass->ctor = nvkm_udevice_child_new;
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oclass->priv = sclass;
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return 0;
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}
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static const struct nvkm_object_func
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nvkm_udevice_super = {
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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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.sclass = nvkm_udevice_child_get,
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};
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static const struct nvkm_object_func
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nvkm_udevice = {
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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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.sclass = nvkm_udevice_child_get,
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};
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static int
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nvkm_udevice_new(const 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 = oclass->client;
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struct nvkm_object *parent = &client->object;
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const struct nvkm_object_func *func;
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struct nvkm_udevice *udev;
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int ret = -ENOSYS;
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nvif_ioctl(parent, "create device size %d\n", size);
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if (!(ret = nvif_unpack(ret, &data, &size, 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 */
|
||
|
|
if (client->super)
|
||
|
|
func = &nvkm_udevice_super;
|
||
|
|
else
|
||
|
|
func = &nvkm_udevice;
|
||
|
|
|
||
|
|
if (!(udev = kzalloc(sizeof(*udev), GFP_KERNEL)))
|
||
|
|
return -ENOMEM;
|
||
|
|
nvkm_object_ctor(func, oclass, &udev->object);
|
||
|
|
*pobject = &udev->object;
|
||
|
|
|
||
|
|
/* find the device that matches what the client requested */
|
||
|
|
if (args->v0.device != ~0)
|
||
|
|
udev->device = nvkm_device_find(args->v0.device);
|
||
|
|
else
|
||
|
|
udev->device = nvkm_device_find(client->device);
|
||
|
|
if (!udev->device)
|
||
|
|
return -ENODEV;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
const struct nvkm_sclass
|
||
|
|
nvkm_udevice_sclass = {
|
||
|
|
.oclass = NV_DEVICE,
|
||
|
|
.minver = 0,
|
||
|
|
.maxver = 0,
|
||
|
|
.ctor = nvkm_udevice_new,
|
||
|
|
};
|