int nvhost_msenc_init(struct platform_device *dev)
{
struct nvhost_device_data *pdata = platform_get_drvdata(dev);
int err = 0;
struct msenc *m;
char *fw_name;
nvhost_dbg_fn("in dev:%p", dev);
fw_name = msenc_get_fw_name(dev);
if (!fw_name) {
dev_err(&dev->dev, "couldn't determine firmware name");
return -EINVAL;
}
m = kzalloc(sizeof(struct msenc), GFP_KERNEL);
if (!m) {
dev_err(&dev->dev, "couldn't alloc ucode");
kfree(fw_name);
return -ENOMEM;
}
set_msenc(dev, m);
nvhost_dbg_fn("primed dev:%p", dev);
err = msenc_read_ucode(dev, fw_name);
kfree(fw_name);
fw_name = 0;
if (err || !m->valid) {
dev_err(&dev->dev, "ucode not valid");
goto clean_up;
}
nvhost_module_busy(dev);
msenc_boot(dev);
nvhost_module_idle(dev);
if (pdata->scaling_init)
nvhost_scale_hw_init(dev);
return 0;
clean_up:
dev_err(&dev->dev, "failed");
return err;
}
void nvhost_msenc_init(struct platform_device *dev)
{
struct nvhost_device_data *pdata =
(struct nvhost_device_data *)dev->dev.platform_data;
int err = 0;
struct msenc *m;
char *fw_name;
fw_name = msenc_get_fw_name(dev);
if (!fw_name) {
dev_err(&dev->dev, "couldn't determine firmware name");
return;
}
m = kzalloc(sizeof(struct msenc), GFP_KERNEL);
if (!m) {
dev_err(&dev->dev, "couldn't alloc ucode");
kfree(fw_name);
return;
}
set_msenc(dev, m);
err = msenc_read_ucode(dev, fw_name);
kfree(fw_name);
fw_name = 0;
if (err || !m->valid) {
dev_err(&dev->dev, "ucode not valid");
goto clean_up;
}
if (!pdata->can_powergate) {
nvhost_module_busy(dev);
msenc_boot(dev);
nvhost_module_idle(dev);
}
return;
clean_up:
dev_err(&dev->dev, "failed");
}
void nvhost_msenc_deinit(struct platform_device *dev)
{
struct msenc *m = get_msenc(dev);
struct nvhost_device_data *pdata = platform_get_drvdata(dev);
if (pdata->scaling_init)
nvhost_scale_hw_deinit(dev);
if (!m)
return;
/* unpin, free ucode memory */
if (m->mapped) {
dma_free_attrs(&dev->dev,
m->size, m->mapped,
m->phys, &m->attrs);
m->mapped = NULL;
}
m->valid = false;
kfree(m);
set_msenc(dev, NULL);
}