int fimc_is_start_firmware(struct fimc_is *is)
{
struct device *dev = &is->pdev->dev;
int ret;
memcpy(is->memory.vaddr, is->fw.f_w->data, is->fw.f_w->size);
wmb();
ret = fimc_is_cpu_set_power(is, 1);
if (ret < 0)
return ret;
ret = fimc_is_wait_event(is, IS_ST_A5_PWR_ON, 1,
msecs_to_jiffies(FIMC_IS_FW_LOAD_TIMEOUT));
if (ret < 0)
dev_err(dev, "FIMC-IS CPU power on failed\n");
return ret;
}
static int fimc_isp_subdev_s_power(struct v4l2_subdev *sd, int on)
{
struct fimc_isp *isp = v4l2_get_subdevdata(sd);
struct fimc_is *is = fimc_isp_to_is(isp);
int ret = 0;
pr_debug("on: %d\n", on);
if (on) {
ret = pm_runtime_get_sync(&is->pdev->dev);
if (ret < 0)
return ret;
set_bit(IS_ST_PWR_ON, &is->state);
ret = fimc_is_start_firmware(is);
if (ret < 0) {
v4l2_err(sd, "firmware booting failed\n");
pm_runtime_put(&is->pdev->dev);
return ret;
}
set_bit(IS_ST_PWR_SUBIP_ON, &is->state);
ret = fimc_is_hw_initialize(is);
} else {
/* Close sensor */
if (!test_bit(IS_ST_PWR_ON, &is->state)) {
fimc_is_hw_close_sensor(is, 0);
ret = fimc_is_wait_event(is, IS_ST_OPEN_SENSOR, 0,
FIMC_IS_CONFIG_TIMEOUT);
if (ret < 0) {
v4l2_err(sd, "sensor close timeout\n");
return ret;
}
}
/* SUB IP power off */
if (test_bit(IS_ST_PWR_SUBIP_ON, &is->state)) {
fimc_is_hw_subip_power_off(is);
ret = fimc_is_wait_event(is, IS_ST_PWR_SUBIP_ON, 0,
FIMC_IS_CONFIG_TIMEOUT);
if (ret < 0) {
v4l2_err(sd, "sub-IP power off timeout\n");
return ret;
}
}
fimc_is_cpu_set_power(is, 0);
pm_runtime_put_sync(&is->pdev->dev);
clear_bit(IS_ST_PWR_ON, &is->state);
clear_bit(IS_ST_INIT_DONE, &is->state);
is->state = 0;
is->config[is->config_index].p_region_index[0] = 0;
is->config[is->config_index].p_region_index[1] = 0;
set_bit(IS_ST_IDLE, &is->state);
wmb();
}
return ret;
}