237 	struct pvr2_channel *cp;  in pvr2_context_reset_input_limits()  local
241 	for (cp = mp->mc_first; cp; cp = cp->mc_next) {  in pvr2_context_reset_input_limits()
242 		if (!cp->input_mask) continue;  in pvr2_context_reset_input_limits()
243 		tmsk &= cp->input_mask;  in pvr2_context_reset_input_limits()
275 void pvr2_channel_init(struct pvr2_channel *cp,struct pvr2_context *mp)  in pvr2_channel_init()  argument
278 	cp->hdw = mp->hdw;  in pvr2_channel_init()
279 	cp->mc_head = mp;  in pvr2_channel_init()
280 	cp->mc_next = NULL;  in pvr2_channel_init()
281 	cp->mc_prev = mp->mc_last;  in pvr2_channel_init()
283 		mp->mc_last->mc_next = cp;  in pvr2_channel_init()
285 		mp->mc_first = cp;  in pvr2_channel_init()
287 	mp->mc_last = cp;  in pvr2_channel_init()
292 static void pvr2_channel_disclaim_stream(struct pvr2_channel *cp)  in pvr2_channel_disclaim_stream()  argument
294 	if (!cp->stream) return;  in pvr2_channel_disclaim_stream()
295 	pvr2_stream_kill(cp->stream->stream);  in pvr2_channel_disclaim_stream()
296 	cp->stream->user = NULL;  in pvr2_channel_disclaim_stream()
297 	cp->stream = NULL;  in pvr2_channel_disclaim_stream()
301 void pvr2_channel_done(struct pvr2_channel *cp)  in pvr2_channel_done()  argument
303 	struct pvr2_context *mp = cp->mc_head;  in pvr2_channel_done()
305 	cp->input_mask = 0;  in pvr2_channel_done()
306 	pvr2_channel_disclaim_stream(cp);  in pvr2_channel_done()
308 	if (cp->mc_next) {  in pvr2_channel_done()
309 		cp->mc_next->mc_prev = cp->mc_prev;  in pvr2_channel_done()
311 		mp->mc_last = cp->mc_prev;  in pvr2_channel_done()
313 	if (cp->mc_prev) {  in pvr2_channel_done()
314 		cp->mc_prev->mc_next = cp->mc_next;  in pvr2_channel_done()
316 		mp->mc_first = cp->mc_next;  in pvr2_channel_done()
318 	cp->hdw = NULL;  in pvr2_channel_done()
323 int pvr2_channel_limit_inputs(struct pvr2_channel *cp,unsigned int cmsk)  in pvr2_channel_limit_inputs()  argument
328 	struct pvr2_hdw *hdw = cp->hdw;  in pvr2_channel_limit_inputs()
332 	if (cmsk == cp->input_mask) {  in pvr2_channel_limit_inputs()
337 	pvr2_context_enter(cp->mc_head);  in pvr2_channel_limit_inputs()
340 			cp->input_mask = 0;  in pvr2_channel_limit_inputs()
341 			pvr2_context_reset_input_limits(cp->mc_head);  in pvr2_channel_limit_inputs()
345 		for (p2 = cp->mc_head->mc_first; p2; p2 = p2->mc_next) {  in pvr2_channel_limit_inputs()
346 			if (p2 == cp) continue;  in pvr2_channel_limit_inputs()
360 		cp->input_mask = cmsk;  in pvr2_channel_limit_inputs()
363 	pvr2_context_exit(cp->mc_head);  in pvr2_channel_limit_inputs()
368 unsigned int pvr2_channel_get_limited_inputs(struct pvr2_channel *cp)  in pvr2_channel_get_limited_inputs()  argument
370 	return cp->input_mask;  in pvr2_channel_get_limited_inputs()
374 int pvr2_channel_claim_stream(struct pvr2_channel *cp,  in pvr2_channel_claim_stream()  argument
378 	pvr2_context_enter(cp->mc_head); do {  in pvr2_channel_claim_stream()
379 		if (sp == cp->stream) break;  in pvr2_channel_claim_stream()
384 		pvr2_channel_disclaim_stream(cp);  in pvr2_channel_claim_stream()
386 		sp->user = cp;  in pvr2_channel_claim_stream()
387 		cp->stream = sp;  in pvr2_channel_claim_stream()
389 	pvr2_context_exit(cp->mc_head);  in pvr2_channel_claim_stream()
402 	struct pvr2_ioread *cp;  in pvr2_channel_create_mpeg_stream()  local
403 	cp = pvr2_ioread_create();  in pvr2_channel_create_mpeg_stream()
404 	if (!cp) return NULL;  in pvr2_channel_create_mpeg_stream()
405 	pvr2_ioread_setup(cp,sp->stream);  in pvr2_channel_create_mpeg_stream()
406 	pvr2_ioread_set_sync_key(cp,stream_sync_key,sizeof(stream_sync_key));  in pvr2_channel_create_mpeg_stream()
407 	return cp;  in pvr2_channel_create_mpeg_stream()