161 static int try_start_dim_transfer(struct hdm_channel *hdm_ch)  in try_start_dim_transfer()  argument
164 	struct list_head *head = &hdm_ch->pending_list;  in try_start_dim_transfer()
169 	BUG_ON(!hdm_ch);  in try_start_dim_transfer()
170 	BUG_ON(!hdm_ch->is_initialized);  in try_start_dim_transfer()
178 	if (!dim_get_channel_state(&hdm_ch->ch, &st)->ready) {  in try_start_dim_transfer()
186 	if (dim_dbr_space(&hdm_ch->ch) < buf_size) {  in try_start_dim_transfer()
192 	if (!dim_enqueue_buffer(&hdm_ch->ch, mbo->bus_address, buf_size)) {  in try_start_dim_transfer()
201 	list_move_tail(head->next, &hdm_ch->started_list);  in try_start_dim_transfer()
264 	struct hdm_channel *hdm_ch = dev->hch + ch_idx;  in service_done_flag()  local
272 	BUG_ON(!hdm_ch);  in service_done_flag()
273 	BUG_ON(!hdm_ch->is_initialized);  in service_done_flag()
277 	done_buffers = dim_get_channel_state(&hdm_ch->ch, &st)->done_buffers;  in service_done_flag()
283 	if (!dim_detach_buffers(&hdm_ch->ch, done_buffers)) {  in service_done_flag()
289 	head = &hdm_ch->started_list;  in service_done_flag()
305 		if (hdm_ch->data_type == MOST_CH_ASYNC &&  in service_done_flag()
306 		    hdm_ch->direction == MOST_CH_RX &&  in service_done_flag()
311 			list_add_tail(&mbo->list, &hdm_ch->pending_list);  in service_done_flag()
314 			if (hdm_ch->data_type == MOST_CH_CONTROL ||  in service_done_flag()
315 			    hdm_ch->data_type == MOST_CH_ASYNC) {  in service_done_flag()
456 	struct hdm_channel *const hdm_ch = dev->hch + ch_idx;  in configure_channel()  local
460 	if (hdm_ch->is_initialized)  in configure_channel()
464 	hdm_ch->reset_dbr_size = ccfg->dbr_size ? NULL : &ccfg->dbr_size;  in configure_channel()
467 	hdm_ch->ch.dbr_size = ccfg->dbr_size;  in configure_channel()
473 			pr_err("%s: too small buffer size\n", hdm_ch->name);  in configure_channel()
479 				hdm_ch->name, buf_size, new_size);  in configure_channel()
481 		hal_ret = dim_init_control(&hdm_ch->ch, is_tx, ch_addr,  in configure_channel()
487 			pr_err("%s: too small buffer size\n", hdm_ch->name);  in configure_channel()
493 				hdm_ch->name, buf_size, new_size);  in configure_channel()
495 		hal_ret = dim_init_async(&hdm_ch->ch, is_tx, ch_addr,  in configure_channel()
502 			       hdm_ch->name);  in configure_channel()
508 				hdm_ch->name, buf_size, new_size);  in configure_channel()
510 		hal_ret = dim_init_isoc(&hdm_ch->ch, is_tx, ch_addr, sub_size);  in configure_channel()
516 			       hdm_ch->name);  in configure_channel()
522 				hdm_ch->name, buf_size, new_size);  in configure_channel()
524 		hal_ret = dim_init_sync(&hdm_ch->ch, is_tx, ch_addr, sub_size);  in configure_channel()
528 		       hdm_ch->name, ccfg->data_type);  in configure_channel()
535 		       hdm_ch->name, hal_ret, ccfg->data_type, (int)is_tx);  in configure_channel()
539 	hdm_ch->data_type = ccfg->data_type;  in configure_channel()
540 	hdm_ch->direction = ccfg->direction;  in configure_channel()
541 	hdm_ch->is_initialized = true;  in configure_channel()
543 	if (hdm_ch->data_type == MOST_CH_ASYNC &&  in configure_channel()
544 	    hdm_ch->direction == MOST_CH_TX &&  in configure_channel()
549 	ccfg->dbr_size = hdm_ch->ch.dbr_size;  in configure_channel()
567 	struct hdm_channel *hdm_ch = dev->hch + ch_idx;  in enqueue()  local
572 	if (!hdm_ch->is_initialized)  in enqueue()
579 	list_add_tail(&mbo->list, &hdm_ch->pending_list);  in enqueue()
582 	(void)try_start_dim_transfer(hdm_ch);  in enqueue()
641 	struct hdm_channel *hdm_ch = dev->hch + ch_idx;  in poison_channel()  local
648 	if (!hdm_ch->is_initialized)  in poison_channel()
652 	hal_ret = dim_destroy_channel(&hdm_ch->ch);  in poison_channel()
653 	hdm_ch->is_initialized = false;  in poison_channel()
658 		pr_err("HAL Failed to close channel %s\n", hdm_ch->name);  in poison_channel()
662 	complete_all_mbos(&hdm_ch->started_list);  in poison_channel()
663 	complete_all_mbos(&hdm_ch->pending_list);  in poison_channel()
664 	if (hdm_ch->reset_dbr_size)  in poison_channel()
665 		*hdm_ch->reset_dbr_size = 0;  in poison_channel()
846 		struct hdm_channel *hdm_ch = dev->hch + i;  in dim2_probe()  local
848 		INIT_LIST_HEAD(&hdm_ch->pending_list);  in dim2_probe()
849 		INIT_LIST_HEAD(&hdm_ch->started_list);  in dim2_probe()
850 		hdm_ch->is_initialized = false;  in dim2_probe()
851 		snprintf(hdm_ch->name, sizeof(hdm_ch->name), "ca%d", i * 2 + 2);  in dim2_probe()
853 		cap->name_suffix = hdm_ch->name;  in dim2_probe()