131 static int try_mailbox(struct ivtv *itv, struct ivtv_mailbox_data *mbdata, int mb)  in try_mailbox()  argument
146 static int get_mailbox(struct ivtv *itv, struct ivtv_mailbox_data *mbdata, int flags)  in get_mailbox()  argument
161 			if (try_mailbox(itv, mbdata, mb))  in get_mailbox()
188 static void clear_all_mailboxes(struct ivtv *itv, struct ivtv_mailbox_data *mbdata)  in clear_all_mailboxes()  argument
200 static int ivtv_api_call(struct ivtv *itv, int cmd, int args, u32 data[])  in ivtv_api_call()  argument
202 	struct ivtv_mailbox_data *mbdata = (cmd >= 128) ? &itv->enc_mbox : &itv->dec_mbox;  in ivtv_api_call()
233 	if (itv->api_cache[cmd].last_jiffies &&  in ivtv_api_call()
235 			itv->api_cache[cmd].last_jiffies +  in ivtv_api_call()
237 	    !memcmp(data, itv->api_cache[cmd].data, sizeof(itv->api_cache[cmd].data))) {  in ivtv_api_call()
238 		itv->api_cache[cmd].last_jiffies = jiffies;  in ivtv_api_call()
247 			if (try_mailbox(itv, mbdata, mb)) {  in ivtv_api_call()
256 		clear_all_mailboxes(itv, mbdata);  in ivtv_api_call()
263 	mb = get_mailbox(itv, mbdata, flags);  in ivtv_api_call()
266 		clear_all_mailboxes(itv, mbdata);  in ivtv_api_call()
272 		memcpy(itv->api_cache[cmd].data, data, sizeof(itv->api_cache[cmd].data));  in ivtv_api_call()
273 		itv->api_cache[cmd].last_jiffies = jiffies;  in ivtv_api_call()
315 int ivtv_api(struct ivtv *itv, int cmd, int args, u32 data[])  in ivtv_api()  argument
317 	int res = ivtv_api_call(itv, cmd, args, data);  in ivtv_api()
322 	return (res == -EBUSY) ? ivtv_api_call(itv, cmd, args, data) : res;  in ivtv_api()
330 int ivtv_vapi_result(struct ivtv *itv, u32 data[CX2341X_MBOX_MAX_DATA], int cmd, int args, ...)  in ivtv_vapi_result()  argument
340 	return ivtv_api(itv, cmd, args, data);  in ivtv_vapi_result()
343 int ivtv_vapi(struct ivtv *itv, int cmd, int args, ...)  in ivtv_vapi()  argument
354 	return ivtv_api(itv, cmd, args, data);  in ivtv_vapi()
368 void ivtv_mailbox_cache_invalidate(struct ivtv *itv)  in ivtv_mailbox_cache_invalidate()  argument
372 		itv->api_cache[i].last_jiffies = 0;  in ivtv_mailbox_cache_invalidate()