250 	struct pvr2_channel *cp;  in pvr2_context_reset_input_limits()  local
254 	for (cp = mp->mc_first; cp; cp = cp->mc_next) {  in pvr2_context_reset_input_limits()
255 		if (!cp->input_mask) continue;  in pvr2_context_reset_input_limits()
256 		tmsk &= cp->input_mask;  in pvr2_context_reset_input_limits()
288 void pvr2_channel_init(struct pvr2_channel *cp,struct pvr2_context *mp)  in pvr2_channel_init()  argument
291 	cp->hdw = mp->hdw;  in pvr2_channel_init()
292 	cp->mc_head = mp;  in pvr2_channel_init()
293 	cp->mc_next = NULL;  in pvr2_channel_init()
294 	cp->mc_prev = mp->mc_last;  in pvr2_channel_init()
296 		mp->mc_last->mc_next = cp;  in pvr2_channel_init()
298 		mp->mc_first = cp;  in pvr2_channel_init()
300 	mp->mc_last = cp;  in pvr2_channel_init()
305 static void pvr2_channel_disclaim_stream(struct pvr2_channel *cp)  in pvr2_channel_disclaim_stream()  argument
307 	if (!cp->stream) return;  in pvr2_channel_disclaim_stream()
308 	pvr2_stream_kill(cp->stream->stream);  in pvr2_channel_disclaim_stream()
309 	cp->stream->user = NULL;  in pvr2_channel_disclaim_stream()
310 	cp->stream = NULL;  in pvr2_channel_disclaim_stream()
314 void pvr2_channel_done(struct pvr2_channel *cp)  in pvr2_channel_done()  argument
316 	struct pvr2_context *mp = cp->mc_head;  in pvr2_channel_done()
318 	cp->input_mask = 0;  in pvr2_channel_done()
319 	pvr2_channel_disclaim_stream(cp);  in pvr2_channel_done()
321 	if (cp->mc_next) {  in pvr2_channel_done()
322 		cp->mc_next->mc_prev = cp->mc_prev;  in pvr2_channel_done()
324 		mp->mc_last = cp->mc_prev;  in pvr2_channel_done()
326 	if (cp->mc_prev) {  in pvr2_channel_done()
327 		cp->mc_prev->mc_next = cp->mc_next;  in pvr2_channel_done()
329 		mp->mc_first = cp->mc_next;  in pvr2_channel_done()
331 	cp->hdw = NULL;  in pvr2_channel_done()
336 int pvr2_channel_limit_inputs(struct pvr2_channel *cp,unsigned int cmsk)  in pvr2_channel_limit_inputs()  argument
341 	struct pvr2_hdw *hdw = cp->hdw;  in pvr2_channel_limit_inputs()
345 	if (cmsk == cp->input_mask) {  in pvr2_channel_limit_inputs()
350 	pvr2_context_enter(cp->mc_head);  in pvr2_channel_limit_inputs()
353 			cp->input_mask = 0;  in pvr2_channel_limit_inputs()
354 			pvr2_context_reset_input_limits(cp->mc_head);  in pvr2_channel_limit_inputs()
358 		for (p2 = cp->mc_head->mc_first; p2; p2 = p2->mc_next) {  in pvr2_channel_limit_inputs()
359 			if (p2 == cp) continue;  in pvr2_channel_limit_inputs()
373 		cp->input_mask = cmsk;  in pvr2_channel_limit_inputs()
376 	pvr2_context_exit(cp->mc_head);  in pvr2_channel_limit_inputs()
381 unsigned int pvr2_channel_get_limited_inputs(struct pvr2_channel *cp)  in pvr2_channel_get_limited_inputs()  argument
383 	return cp->input_mask;  in pvr2_channel_get_limited_inputs()
387 int pvr2_channel_claim_stream(struct pvr2_channel *cp,  in pvr2_channel_claim_stream()  argument
391 	pvr2_context_enter(cp->mc_head); do {  in pvr2_channel_claim_stream()
392 		if (sp == cp->stream) break;  in pvr2_channel_claim_stream()
397 		pvr2_channel_disclaim_stream(cp);  in pvr2_channel_claim_stream()
399 		sp->user = cp;  in pvr2_channel_claim_stream()
400 		cp->stream = sp;  in pvr2_channel_claim_stream()
402 	pvr2_context_exit(cp->mc_head);  in pvr2_channel_claim_stream()
415 	struct pvr2_ioread *cp;  in pvr2_channel_create_mpeg_stream()  local
416 	cp = pvr2_ioread_create();  in pvr2_channel_create_mpeg_stream()
417 	if (!cp) return NULL;  in pvr2_channel_create_mpeg_stream()
418 	pvr2_ioread_setup(cp,sp->stream);  in pvr2_channel_create_mpeg_stream()
419 	pvr2_ioread_set_sync_key(cp,stream_sync_key,sizeof(stream_sync_key));  in pvr2_channel_create_mpeg_stream()
420 	return cp;  in pvr2_channel_create_mpeg_stream()