118 	struct nwl_dsi_transfer *xfer;  member
381 	struct nwl_dsi_transfer *xfer = dsi->xfer;  in nwl_dsi_read_packet()  local
383 	u8 *payload = xfer->msg->rx_buf;  in nwl_dsi_read_packet()
389 	xfer->status = 0;  in nwl_dsi_read_packet()
391 	if (xfer->rx_word_count == 0) {  in nwl_dsi_read_packet()
398 			xfer->status = err;  in nwl_dsi_read_packet()
403 		if (channel != xfer->msg->channel) {  in nwl_dsi_read_packet()
406 				      xfer->cmd, channel, xfer->msg->channel);  in nwl_dsi_read_packet()
407 			xfer->status = -EINVAL;  in nwl_dsi_read_packet()
414 			if (xfer->msg->rx_len > 1) {  in nwl_dsi_read_packet()
417 				++xfer->rx_len;  in nwl_dsi_read_packet()
422 			if (xfer->msg->rx_len > 0) {  in nwl_dsi_read_packet()
425 				++xfer->rx_len;  in nwl_dsi_read_packet()
427 			xfer->status = xfer->rx_len;  in nwl_dsi_read_packet()
432 				      xfer->cmd, word_count);  in nwl_dsi_read_packet()
433 			xfer->status = -EPROTO;  in nwl_dsi_read_packet()
437 		if (word_count > xfer->msg->rx_len) {  in nwl_dsi_read_packet()
440 				xfer->cmd, xfer->msg->rx_len, word_count);  in nwl_dsi_read_packet()
441 			xfer->status = -EINVAL;  in nwl_dsi_read_packet()
445 		xfer->rx_word_count = word_count;  in nwl_dsi_read_packet()
448 		word_count = xfer->rx_word_count;  in nwl_dsi_read_packet()
463 		xfer->rx_len += 4;  in nwl_dsi_read_packet()
472 			++xfer->rx_len;  in nwl_dsi_read_packet()
476 			++xfer->rx_len;  in nwl_dsi_read_packet()
480 			++xfer->rx_len;  in nwl_dsi_read_packet()
485 	xfer->status = xfer->rx_len;  in nwl_dsi_read_packet()
488 		xfer->status = err;  in nwl_dsi_read_packet()
495 	struct nwl_dsi_transfer *xfer = dsi->xfer;  in nwl_dsi_finish_transmission()  local
498 	if (!xfer)  in nwl_dsi_finish_transmission()
501 	if (xfer->direction == DSI_PACKET_SEND &&  in nwl_dsi_finish_transmission()
503 		xfer->status = xfer->tx_len;  in nwl_dsi_finish_transmission()
512 		complete(&xfer->completed);  in nwl_dsi_finish_transmission()
517 	struct nwl_dsi_transfer *xfer = dsi->xfer;  in nwl_dsi_begin_transmission()  local
518 	struct mipi_dsi_packet *pkt = &xfer->packet;  in nwl_dsi_begin_transmission()
552 	xfer->tx_len = pkt->payload_length;  in nwl_dsi_begin_transmission()
564 				     xfer->cmd);  in nwl_dsi_begin_transmission()
567 		hs_mode = (xfer->msg->flags & MIPI_DSI_MSG_USE_LPM) ? 0 : 1;  in nwl_dsi_begin_transmission()
569 	val = NWL_DSI_WC(word_count) | NWL_DSI_TX_VC(xfer->msg->channel) |  in nwl_dsi_begin_transmission()
570 	      NWL_DSI_TX_DT(xfer->msg->type) | NWL_DSI_HS_SEL(hs_mode) |  in nwl_dsi_begin_transmission()
571 	      NWL_DSI_BTA_TX(xfer->need_bta);  in nwl_dsi_begin_transmission()
582 	struct nwl_dsi_transfer xfer;  in nwl_dsi_host_transfer()  local
586 	dsi->xfer = &xfer;  in nwl_dsi_host_transfer()
587 	ret = mipi_dsi_create_packet(&xfer.packet, msg);  in nwl_dsi_host_transfer()
589 		dsi->xfer = NULL;  in nwl_dsi_host_transfer()
598 		xfer.direction = DSI_PACKET_RECEIVE;  in nwl_dsi_host_transfer()
600 		xfer.direction = DSI_PACKET_SEND;  in nwl_dsi_host_transfer()
602 	xfer.need_bta = (xfer.direction == DSI_PACKET_RECEIVE);  in nwl_dsi_host_transfer()
603 	xfer.need_bta |= (msg->flags & MIPI_DSI_MSG_REQ_ACK) ? 1 : 0;  in nwl_dsi_host_transfer()
604 	xfer.msg = msg;  in nwl_dsi_host_transfer()
605 	xfer.status = -ETIMEDOUT;  in nwl_dsi_host_transfer()
606 	xfer.rx_word_count = 0;  in nwl_dsi_host_transfer()
607 	xfer.rx_len = 0;  in nwl_dsi_host_transfer()
608 	xfer.cmd = 0x00;  in nwl_dsi_host_transfer()
610 		xfer.cmd = ((u8 *)(msg->tx_buf))[0];  in nwl_dsi_host_transfer()
611 	init_completion(&xfer.completed);  in nwl_dsi_host_transfer()
625 	if (!wait_for_completion_timeout(&xfer.completed,  in nwl_dsi_host_transfer()
628 			      xfer.cmd);  in nwl_dsi_host_transfer()
631 		ret = xfer.status;  in nwl_dsi_host_transfer()