25 void _cx18_mdl_swap(struct cx18_mdl *mdl)  in _cx18_mdl_swap()  argument
29 	list_for_each_entry(buf, &mdl->buf_list, list) {  in _cx18_mdl_swap()
43 struct cx18_queue *_cx18_enqueue(struct cx18_stream *s, struct cx18_mdl *mdl,  in _cx18_enqueue()  argument
48 		mdl->bytesused = 0;  in _cx18_enqueue()
49 		mdl->readpos = 0;  in _cx18_enqueue()
50 		mdl->m_flags = 0;  in _cx18_enqueue()
51 		mdl->skipped = 0;  in _cx18_enqueue()
52 		mdl->curr_buf = NULL;  in _cx18_enqueue()
63 		list_add(&mdl->list, &q->list); /* LIFO */  in _cx18_enqueue()
65 		list_add_tail(&mdl->list, &q->list); /* FIFO */  in _cx18_enqueue()
66 	q->bytesused += mdl->bytesused - mdl->readpos;  in _cx18_enqueue()
75 	struct cx18_mdl *mdl = NULL;  in cx18_dequeue()  local
79 		mdl = list_first_entry(&q->list, struct cx18_mdl, list);  in cx18_dequeue()
80 		list_del_init(&mdl->list);  in cx18_dequeue()
81 		q->bytesused -= mdl->bytesused - mdl->readpos;  in cx18_dequeue()
82 		mdl->skipped = 0;  in cx18_dequeue()
86 	return mdl;  in cx18_dequeue()
90 					  struct cx18_mdl *mdl)  in _cx18_mdl_update_bufs_for_cpu()  argument
94 	u32 bytesused = mdl->bytesused;  in _cx18_mdl_update_bufs_for_cpu()
96 	list_for_each_entry(buf, &mdl->buf_list, list) {  in _cx18_mdl_update_bufs_for_cpu()
110 						struct cx18_mdl *mdl)  in cx18_mdl_update_bufs_for_cpu()  argument
114 	if (list_is_singular(&mdl->buf_list)) {  in cx18_mdl_update_bufs_for_cpu()
115 		buf = list_first_entry(&mdl->buf_list, struct cx18_buffer,  in cx18_mdl_update_bufs_for_cpu()
117 		buf->bytesused = mdl->bytesused;  in cx18_mdl_update_bufs_for_cpu()
121 		_cx18_mdl_update_bufs_for_cpu(s, mdl);  in cx18_mdl_update_bufs_for_cpu()
129 	struct cx18_mdl *mdl;  in cx18_queue_get_mdl()  local
141 	list_for_each_entry_safe(mdl, tmp, &s->q_busy.list, list) {  in cx18_queue_get_mdl()
149 		if (mdl->id != id) {  in cx18_queue_get_mdl()
150 			mdl->skipped++;  in cx18_queue_get_mdl()
151 			if (mdl->skipped >= atomic_read(&s->q_busy.depth)-1) {  in cx18_queue_get_mdl()
154 					  s->name, mdl->id,  in cx18_queue_get_mdl()
155 					  mdl->skipped);  in cx18_queue_get_mdl()
157 				list_move_tail(&mdl->list, &sweep_up);  in cx18_queue_get_mdl()
166 		list_del_init(&mdl->list);  in cx18_queue_get_mdl()
168 		ret = mdl;  in cx18_queue_get_mdl()
187 	list_for_each_entry_safe(mdl, tmp, &sweep_up, list) {  in cx18_queue_get_mdl()
188 		list_del_init(&mdl->list);  in cx18_queue_get_mdl()
189 		cx18_enqueue(s, mdl, &s->q_free);  in cx18_queue_get_mdl()
198 	struct cx18_mdl *mdl;  in cx18_queue_flush()  local
207 		mdl = list_first_entry(&q_src->list, struct cx18_mdl, list);  in cx18_queue_flush()
208 		list_move_tail(&mdl->list, &q_dst->list);  in cx18_queue_flush()
209 		mdl->bytesused = 0;  in cx18_queue_flush()
210 		mdl->readpos = 0;  in cx18_queue_flush()
211 		mdl->m_flags = 0;  in cx18_queue_flush()
212 		mdl->skipped = 0;  in cx18_queue_flush()
213 		mdl->curr_buf = NULL;  in cx18_queue_flush()
234 	struct cx18_mdl *mdl;  in cx18_unload_queues()  local
244 	list_for_each_entry(mdl, &q_idle->list, list) {  in cx18_unload_queues()
245 		while (!list_empty(&mdl->buf_list)) {  in cx18_unload_queues()
246 			buf = list_first_entry(&mdl->buf_list,  in cx18_unload_queues()
252 		mdl->id = s->mdl_base_idx; /* reset id to a "safe" value */  in cx18_unload_queues()
265 	struct cx18_mdl *mdl;  in cx18_load_queues()  local
277 	for (mdl = cx18_dequeue(s, &s->q_idle), i = s->bufs_per_mdl;  in cx18_load_queues()
278 	     mdl != NULL && i == s->bufs_per_mdl;  in cx18_load_queues()
279 	     mdl = cx18_dequeue(s, &s->q_idle)) {  in cx18_load_queues()
281 		mdl->id = mdl_id;  in cx18_load_queues()
289 			list_move_tail(&buf->list, &mdl->buf_list);  in cx18_load_queues()
311 			cx18_enqueue(s, mdl, &s->q_free);  in cx18_load_queues()
314 			cx18_push(s, mdl, &s->q_idle);  in cx18_load_queues()
320 void _cx18_mdl_sync_for_device(struct cx18_stream *s, struct cx18_mdl *mdl)  in _cx18_mdl_sync_for_device()  argument
327 	list_for_each_entry(buf, &mdl->buf_list, list)  in _cx18_mdl_sync_for_device()
360 		struct cx18_mdl *mdl;  in cx18_stream_alloc()  local
364 		mdl = kzalloc(sizeof(struct cx18_mdl), GFP_KERNEL|__GFP_NOWARN);  in cx18_stream_alloc()
365 		if (mdl == NULL)  in cx18_stream_alloc()
371 			kfree(mdl);  in cx18_stream_alloc()
377 			kfree(mdl);  in cx18_stream_alloc()
382 		INIT_LIST_HEAD(&mdl->list);  in cx18_stream_alloc()
383 		INIT_LIST_HEAD(&mdl->buf_list);  in cx18_stream_alloc()
384 		mdl->id = s->mdl_base_idx; /* a somewhat safe value */  in cx18_stream_alloc()
385 		cx18_enqueue(s, mdl, &s->q_idle);  in cx18_stream_alloc()
404 	struct cx18_mdl *mdl;  in cx18_stream_free()  local
414 	while ((mdl = cx18_dequeue(s, &s->q_idle)))  in cx18_stream_free()
415 		kfree(mdl);  in cx18_stream_free()