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/*
* 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 <core/subdev.h>
#include <core/device.h>
#include <core/option.h>
#include <subdev/mc.h>
static struct lock_class_key nvkm_subdev_lock_class[NVKM_SUBDEV_NR];
const char *
nvkm_subdev_name[NVKM_SUBDEV_NR] = {
[NVKM_SUBDEV_BAR ] = "bar",
[NVKM_SUBDEV_VBIOS ] = "bios",
[NVKM_SUBDEV_BUS ] = "bus",
[NVKM_SUBDEV_CLK ] = "clk",
[NVKM_SUBDEV_DEVINIT ] = "devinit",
[NVKM_SUBDEV_FB ] = "fb",
[NVKM_SUBDEV_FUSE ] = "fuse",
[NVKM_SUBDEV_GPIO ] = "gpio",
[NVKM_SUBDEV_I2C ] = "i2c",
[NVKM_SUBDEV_IBUS ] = "priv",
[NVKM_SUBDEV_ICCSENSE] = "iccsense",
[NVKM_SUBDEV_INSTMEM ] = "imem",
[NVKM_SUBDEV_LTC ] = "ltc",
[NVKM_SUBDEV_MC ] = "mc",
[NVKM_SUBDEV_MMU ] = "mmu",
[NVKM_SUBDEV_MXM ] = "mxm",
[NVKM_SUBDEV_PCI ] = "pci",
[NVKM_SUBDEV_PMU ] = "pmu",
[NVKM_SUBDEV_SECBOOT ] = "secboot",
[NVKM_SUBDEV_THERM ] = "therm",
[NVKM_SUBDEV_TIMER ] = "tmr",
[NVKM_SUBDEV_TOP ] = "top",
[NVKM_SUBDEV_VOLT ] = "volt",
[NVKM_ENGINE_BSP ] = "bsp",
[NVKM_ENGINE_CE0 ] = "ce0",
[NVKM_ENGINE_CE1 ] = "ce1",
[NVKM_ENGINE_CE2 ] = "ce2",
[NVKM_ENGINE_CE3 ] = "ce3",
[NVKM_ENGINE_CE4 ] = "ce4",
[NVKM_ENGINE_CE5 ] = "ce5",
[NVKM_ENGINE_CIPHER ] = "cipher",
[NVKM_ENGINE_DISP ] = "disp",
[NVKM_ENGINE_DMAOBJ ] = "dma",
[NVKM_ENGINE_FIFO ] = "fifo",
[NVKM_ENGINE_GR ] = "gr",
[NVKM_ENGINE_IFB ] = "ifb",
[NVKM_ENGINE_ME ] = "me",
[NVKM_ENGINE_MPEG ] = "mpeg",
[NVKM_ENGINE_MSENC ] = "msenc",
[NVKM_ENGINE_MSPDEC ] = "mspdec",
[NVKM_ENGINE_MSPPP ] = "msppp",
[NVKM_ENGINE_MSVLD ] = "msvld",
[NVKM_ENGINE_NVENC0 ] = "nvenc0",
[NVKM_ENGINE_NVENC1 ] = "nvenc1",
[NVKM_ENGINE_NVENC2 ] = "nvenc2",
[NVKM_ENGINE_NVDEC ] = "nvdec",
[NVKM_ENGINE_PM ] = "pm",
[NVKM_ENGINE_SEC ] = "sec",
[NVKM_ENGINE_SEC2 ] = "sec2",
[NVKM_ENGINE_SW ] = "sw",
[NVKM_ENGINE_VIC ] = "vic",
[NVKM_ENGINE_VP ] = "vp",
};
void
nvkm_subdev_intr(struct nvkm_subdev *subdev)
{
if (subdev->func->intr)
subdev->func->intr(subdev);
}
int
nvkm_subdev_fini(struct nvkm_subdev *subdev, bool suspend)
{
struct nvkm_device *device = subdev->device;
const char *action = suspend ? "suspend" : "fini";
s64 time;
nvkm_trace(subdev, "%s running...\n", action);
time = ktime_to_us(ktime_get());
if (subdev->func->fini) {
int ret = subdev->func->fini(subdev, suspend);
if (ret) {
nvkm_error(subdev, "%s failed, %d\n", action, ret);
if (suspend)
return ret;
}
}
nvkm_mc_reset(device, subdev->index);
time = ktime_to_us(ktime_get()) - time;
nvkm_trace(subdev, "%s completed in %lldus\n", action, time);
return 0;
}
int
nvkm_subdev_preinit(struct nvkm_subdev *subdev)
{
s64 time;
nvkm_trace(subdev, "preinit running...\n");
time = ktime_to_us(ktime_get());
if (subdev->func->preinit) {
int ret = subdev->func->preinit(subdev);
if (ret) {
nvkm_error(subdev, "preinit failed, %d\n", ret);
return ret;
}
}
time = ktime_to_us(ktime_get()) - time;
nvkm_trace(subdev, "preinit completed in %lldus\n", time);
return 0;
}
int
nvkm_subdev_init(struct nvkm_subdev *subdev)
{
s64 time;
int ret;
nvkm_trace(subdev, "init running...\n");
time = ktime_to_us(ktime_get());
if (subdev->func->oneinit && !subdev->oneinit) {
s64 time;
nvkm_trace(subdev, "one-time init running...\n");
time = ktime_to_us(ktime_get());
ret = subdev->func->oneinit(subdev);
if (ret) {
nvkm_error(subdev, "one-time init failed, %d\n", ret);
return ret;
}
subdev->oneinit = true;
time = ktime_to_us(ktime_get()) - time;
nvkm_trace(subdev, "one-time init completed in %lldus\n", time);
}
if (subdev->func->init) {
ret = subdev->func->init(subdev);
if (ret) {
nvkm_error(subdev, "init failed, %d\n", ret);
return ret;
}
}
time = ktime_to_us(ktime_get()) - time;
nvkm_trace(subdev, "init completed in %lldus\n", time);
return 0;
}
void
nvkm_subdev_del(struct nvkm_subdev **psubdev)
{
struct nvkm_subdev *subdev = *psubdev;
s64 time;
if (subdev && !WARN_ON(!subdev->func)) {
nvkm_trace(subdev, "destroy running...\n");
time = ktime_to_us(ktime_get());
if (subdev->func->dtor)
*psubdev = subdev->func->dtor(subdev);
time = ktime_to_us(ktime_get()) - time;
nvkm_trace(subdev, "destroy completed in %lldus\n", time);
kfree(*psubdev);
*psubdev = NULL;
}
}
void
nvkm_subdev_ctor(const struct nvkm_subdev_func *func,
struct nvkm_device *device, int index,
struct nvkm_subdev *subdev)
{
const char *name = nvkm_subdev_name[index];
subdev->func = func;
subdev->device = device;
subdev->index = index;
__mutex_init(&subdev->mutex, name, &nvkm_subdev_lock_class[index]);
subdev->debug = nvkm_dbgopt(device->dbgopt, name);
}