static int q6venc_open(struct inode *inode, struct file *file)
{
struct q6venc_dev *q6venc;
int err;
q6venc = kzalloc(sizeof(struct q6venc_dev), GFP_KERNEL);
if (!q6venc) {
pr_err("%s: Unable to allocate memory for q6venc_dev\n",
__func__);
return -ENOMEM;
}
file->private_data = q6venc;
init_waitqueue_head(&q6venc->encode_wq);
mutex_init(&q6venc->lock);
spin_lock_init(&q6venc->done_lock);
q6venc->venc = dal_attach(DALDEVICEID_VENC_DEVICE,
DALDEVICEID_VENC_PORTNAME, 1,
callback, q6venc);
if (!q6venc->venc) {
pr_err("%s: dal_attach failed\n", __func__);
err = -EIO;
goto err_dal_attach;
}
q6venc->cb_ev_data.enc_cb_handle = VENC_CB_EVENT_ID;
err = dal_call_f5(q6venc->venc, VENC_DALRPC_SET_CB_CHANNEL,
&q6venc->cb_ev_data, sizeof(q6venc->cb_ev_data));
if (err) {
pr_err("%s: set_cb_channgel failed\n", __func__);
goto err_dal_call_set_cb;
}
pr_info("%s() handle=%p enc_cb=%08x\n", __func__, q6venc->venc,
q6venc->cb_ev_data.enc_cb_handle);
return 0;
err_dal_call_set_cb:
dal_detach(q6venc->venc);
err_dal_attach:
file->private_data = NULL;
mutex_destroy(&q6venc->lock);
kfree(q6venc);
return err;
}
static int q6audio_init(void)
{
struct audio_client *ac = 0;
int res;
mutex_lock(&audio_lock);
if (ac_control) {
res = 0;
goto done;
}
pr_info("audio: init: codecs\n");
icodec_rx_clk = clk_get(0, "icodec_rx_clk");
icodec_tx_clk = clk_get(0, "icodec_tx_clk");
ecodec_clk = clk_get(0, "ecodec_clk");
sdac_clk = clk_get(0, "sdac_clk");
audio_data = dma_alloc_coherent(NULL, 4096, &audio_phys, GFP_KERNEL);
adsp = dal_attach(AUDIO_DAL_DEVICE, AUDIO_DAL_PORT,
callback, 0);
if (!adsp) {
pr_err("audio_init: cannot attach to adsp\n");
res = -ENODEV;
goto done;
}
pr_info("audio: init: INIT\n");
audio_init(adsp);
dal_trace(adsp);
ac = audio_client_alloc(0);
if (!ac) {
pr_err("audio_init: cannot allocate client\n");
res = -ENOMEM;
goto done;
}
pr_info("audio: init: OPEN control\n");
if (audio_open_control(ac)) {
pr_err("audio_init: cannot open control channel\n");
res = -ENODEV;
goto done;
}
pr_info("audio: init: attach ACDB\n");
acdb = dal_attach(ACDB_DAL_DEVICE, ACDB_DAL_PORT, 0, 0);
if (!acdb) {
pr_err("audio_init: cannot attach to acdb channel\n");
res = -ENODEV;
goto done;
}
pr_info("audio: init: attach ADIE\n");
adie = dal_attach(ADIE_DAL_DEVICE, ADIE_DAL_PORT, 0, 0);
if (!adie) {
pr_err("audio_init: cannot attach to adie\n");
res = -ENODEV;
goto done;
}
if (analog_ops->init)
analog_ops->init();
res = 0;
ac_control = ac;
wake_lock_init(&idlelock, WAKE_LOCK_IDLE, "audio_pcm_idle");
wake_lock_init(&wakelock, WAKE_LOCK_SUSPEND, "audio_pcm_suspend");
done:
if ((res < 0) && ac)
audio_client_free(ac);
mutex_unlock(&audio_lock);
return res;
}