static int ssp_sensorhub_send_big_data(struct ssp_sensorhub_data *hub_data,
const char *buf, int count)
{
int length = count - 3;
int ret = 0;
/* only support voice service for the moment */
if (buf[1] != TYPE_WAKE_UP_VOICE_SERVICE) {
sensorhub_err("not voice service(%d)", buf[1]);
return -EINVAL;
}
/* am or grammer data? */
if (buf[2] != TYPE_WAKE_UP_VOICE_SOUND_SOURCE_AM &&
buf[2] != TYPE_WAKE_UP_VOICE_SOUND_SOURCE_GRAMMER) {
sensorhub_err("voice data type err(%d)", buf[2]);
return -EINVAL;
}
hub_data->big_send_events.library_data
= kzalloc(length * sizeof(char), GFP_KERNEL);
if (unlikely(!hub_data->big_send_events.library_data)) {
sensorhub_err("allocate memory for big library err");
return -ENOMEM;
}
memcpy(hub_data->big_send_events.library_data, buf+3, length);
hub_data->big_send_events.library_length = length;
/* trigger big data transfer */
ret = set_big_data_start(hub_data->ssp_data, buf[2]+1, length);
if (ret != SUCCESS) {
sensorhub_err("set_big_data_start err(%d)", ret);
goto exit;
}
/* wait until write operation is done */
ret = wait_for_completion_timeout(&hub_data->big_write_done,
COMPLETION_TIMEOUT + 1*HZ);
if (unlikely(!ret)) {
sensorhub_err("wait timed out");
ret = -EBUSY;
} else if (unlikely(ret < 0)) {
sensorhub_err("wait for completion err(%d)", ret);
ret = -EIO;
}
exit:
kfree(hub_data->big_send_events.library_data);
return !ret ? ret + 1 : ret;
}
ssize_t mcu_dump_show(struct device *dev, struct device_attribute *attr,
char *buf) {
struct ssp_data *data = dev_get_drvdata(dev);
int status = 1, iDelaycnt = 0;
data->bDumping = true;
set_big_data_start(data, BIG_TYPE_DUMP, 0);
msleep(300);
while (data->bDumping) {
mdelay(10);
if (iDelaycnt++ > 1000) {
status = 0;
break;
}
}
return sprintf(buf, "%s\n", status ? "OK" : "NG");
}
int ssp_sensorhub_pcm_dump(struct ssp_sensorhub_data *hub_data)
{
hub_data->pcm_cnt++;
return set_big_data_start(hub_data->ssp_data, BIG_TYPE_VOICE_PCM, 0);
}
