48 void ssi_waketest(struct hsi_client *cl, unsigned int enable);
151 	struct hsi_client	*cl;  member
228 	struct ssi_protocol *ssi = hsi_client_drvdata(msg->cl);  in ssip_release_cmd()
230 	dev_dbg(&msg->cl->device, "Release cmd 0x%08x\n", ssip_get_cmd(msg));  in ssip_release_cmd()
342 		if (slave->device.parent == ssi->cl->device.parent) {  in ssip_slave_get_master()
343 			master = ssi->cl;  in ssip_slave_get_master()
396 static void ssip_reset(struct hsi_client *cl)  in ssip_reset()  argument
398 	struct ssi_protocol *ssi = hsi_client_drvdata(cl);  in ssip_reset()
404 	hsi_flush(cl);  in ssip_reset()
407 		hsi_stop_tx(cl);  in ssip_reset()
409 		ssi_waketest(cl, 0);  in ssip_reset()
421 		dev_dbg(&cl->device, "Pending TX data\n");  in ssip_reset()
429 static void ssip_dump_state(struct hsi_client *cl)  in ssip_dump_state()  argument
431 	struct ssi_protocol *ssi = hsi_client_drvdata(cl);  in ssip_dump_state()
435 	dev_err(&cl->device, "Main state: %d\n", ssi->main_state);  in ssip_dump_state()
436 	dev_err(&cl->device, "Recv state: %d\n", ssi->recv_state);  in ssip_dump_state()
437 	dev_err(&cl->device, "Send state: %d\n", ssi->send_state);  in ssip_dump_state()
438 	dev_err(&cl->device, "CMT %s\n", (ssi->main_state == ACTIVE) ?  in ssip_dump_state()
440 	dev_err(&cl->device, "Wake test %d\n", ssi->waketest);  in ssip_dump_state()
441 	dev_err(&cl->device, "Data RX id: %d\n", ssi->rxid);  in ssip_dump_state()
442 	dev_err(&cl->device, "Data TX id: %d\n", ssi->txid);  in ssip_dump_state()
445 		dev_err(&cl->device, "pending TX data (%p)\n", msg);  in ssip_dump_state()
449 static void ssip_error(struct hsi_client *cl)  in ssip_error()  argument
451 	struct ssi_protocol *ssi = hsi_client_drvdata(cl);  in ssip_error()
454 	ssip_dump_state(cl);  in ssip_error()
455 	ssip_reset(cl);  in ssip_error()
458 	hsi_async_read(cl, msg);  in ssip_error()
463 	struct hsi_client *cl = (struct hsi_client *)data;  in ssip_keep_alive()  local
464 	struct ssi_protocol *ssi = hsi_client_drvdata(cl);  in ssip_keep_alive()
466 	dev_dbg(&cl->device, "Keep alive kick in: m(%d) r(%d) s(%d)\n",  in ssip_keep_alive()
489 	struct hsi_client *cl = (struct hsi_client *)data;  in ssip_wd()  local
491 	dev_err(&cl->device, "Watchdog trigerred\n");  in ssip_wd()
492 	ssip_error(cl);  in ssip_wd()
495 static void ssip_send_bootinfo_req_cmd(struct hsi_client *cl)  in ssip_send_bootinfo_req_cmd()  argument
497 	struct ssi_protocol *ssi = hsi_client_drvdata(cl);  in ssip_send_bootinfo_req_cmd()
500 	dev_dbg(&cl->device, "Issuing BOOT INFO REQ command\n");  in ssip_send_bootinfo_req_cmd()
504 	hsi_async_write(cl, msg);  in ssip_send_bootinfo_req_cmd()
505 	dev_dbg(&cl->device, "Issuing RX command\n");  in ssip_send_bootinfo_req_cmd()
508 	hsi_async_read(cl, msg);  in ssip_send_bootinfo_req_cmd()
511 static void ssip_start_rx(struct hsi_client *cl)  in ssip_start_rx()  argument
513 	struct ssi_protocol *ssi = hsi_client_drvdata(cl);  in ssip_start_rx()
516 	dev_dbg(&cl->device, "RX start M(%d) R(%d)\n", ssi->main_state,  in ssip_start_rx()
527 			ssip_send_bootinfo_req_cmd(cl);  in ssip_start_rx()
539 	dev_dbg(&cl->device, "Send READY\n");  in ssip_start_rx()
540 	hsi_async_write(cl, msg);  in ssip_start_rx()
543 static void ssip_stop_rx(struct hsi_client *cl)  in ssip_stop_rx()  argument
545 	struct ssi_protocol *ssi = hsi_client_drvdata(cl);  in ssip_stop_rx()
547 	dev_dbg(&cl->device, "RX stop M(%d)\n", ssi->main_state);  in ssip_stop_rx()
562 	struct hsi_client *cl = msg->cl;  in ssip_strans_complete()  local
563 	struct ssi_protocol *ssi = hsi_client_drvdata(cl);  in ssip_strans_complete()
571 	hsi_async_write(cl, data);  in ssip_strans_complete()
574 static int ssip_xmit(struct hsi_client *cl)  in ssip_xmit()  argument
576 	struct ssi_protocol *ssi = hsi_client_drvdata(cl);  in ssip_xmit()
603 	dev_dbg(&cl->device, "Send STRANS (%d frames)\n",  in ssip_xmit()
606 	return hsi_async_write(cl, msg);  in ssip_xmit()
643 	struct hsi_client *cl = msg->cl;  in ssip_rx_data_complete()  local
644 	struct ssi_protocol *ssi = hsi_client_drvdata(cl);  in ssip_rx_data_complete()
648 		dev_err(&cl->device, "RX data error\n");  in ssip_rx_data_complete()
650 		ssip_error(cl);  in ssip_rx_data_complete()
659 static void ssip_rx_bootinforeq(struct hsi_client *cl, u32 cmd)  in ssip_rx_bootinforeq()  argument
661 	struct ssi_protocol *ssi = hsi_client_drvdata(cl);  in ssip_rx_bootinforeq()
670 		dev_err(&cl->device, "Boot info req on active state\n");  in ssip_rx_bootinforeq()
671 		ssip_error(cl);  in ssip_rx_bootinforeq()
678 			ssi_waketest(cl, 1); /* FIXME: To be removed */  in ssip_rx_bootinforeq()
683 		dev_dbg(&cl->device, "Send BOOTINFO_RESP\n");  in ssip_rx_bootinforeq()
685 			dev_warn(&cl->device, "boot info req verid mismatch\n");  in ssip_rx_bootinforeq()
689 		hsi_async_write(cl, msg);  in ssip_rx_bootinforeq()
695 		dev_dbg(&cl->device, "Wrong state M(%d)\n", ssi->main_state);  in ssip_rx_bootinforeq()
700 static void ssip_rx_bootinforesp(struct hsi_client *cl, u32 cmd)  in ssip_rx_bootinforesp()  argument
702 	struct ssi_protocol *ssi = hsi_client_drvdata(cl);  in ssip_rx_bootinforesp()
705 		dev_warn(&cl->device, "boot info resp verid mismatch\n");  in ssip_rx_bootinforesp()
712 		dev_dbg(&cl->device, "boot info resp ignored M(%d)\n",  in ssip_rx_bootinforesp()
717 static void ssip_rx_waketest(struct hsi_client *cl, u32 cmd)  in ssip_rx_waketest()  argument
719 	struct ssi_protocol *ssi = hsi_client_drvdata(cl);  in ssip_rx_waketest()
724 		dev_dbg(&cl->device, "wake lines test ignored M(%d)\n",  in ssip_rx_waketest()
731 		ssi_waketest(cl, 0); /* FIXME: To be removed */  in ssip_rx_waketest()
737 	dev_notice(&cl->device, "WAKELINES TEST %s\n",  in ssip_rx_waketest()
740 		ssip_error(cl);  in ssip_rx_waketest()
743 	dev_dbg(&cl->device, "CMT is ONLINE\n");  in ssip_rx_waketest()
748 static void ssip_rx_ready(struct hsi_client *cl)  in ssip_rx_ready()  argument
750 	struct ssi_protocol *ssi = hsi_client_drvdata(cl);  in ssip_rx_ready()
754 		dev_dbg(&cl->device, "READY on wrong state: S(%d) M(%d)\n",  in ssip_rx_ready()
760 		dev_dbg(&cl->device, "Ignore spurious READY command\n");  in ssip_rx_ready()
766 	ssip_xmit(cl);  in ssip_rx_ready()
769 static void ssip_rx_strans(struct hsi_client *cl, u32 cmd)  in ssip_rx_strans()  argument
771 	struct ssi_protocol *ssi = hsi_client_drvdata(cl);  in ssip_rx_strans()
776 	dev_dbg(&cl->device, "RX strans: %d frames\n", len);  in ssip_rx_strans()
779 		dev_err(&cl->device, "START TRANS wrong state: S(%d) M(%d)\n",  in ssip_rx_strans()
786 		dev_err(&cl->device, "START TRANS id %d expected %d\n",  in ssip_rx_strans()
795 		dev_err(&cl->device, "No memory for rx skb\n");  in ssip_rx_strans()
802 		dev_err(&cl->device, "No memory for RX data msg\n");  in ssip_rx_strans()
806 	hsi_async_read(cl, msg);  in ssip_rx_strans()
812 	ssip_error(cl);  in ssip_rx_strans()
817 	struct hsi_client *cl = msg->cl;  in ssip_rxcmd_complete()  local
822 		dev_err(&cl->device, "RX error detected\n");  in ssip_rxcmd_complete()
824 		ssip_error(cl);  in ssip_rxcmd_complete()
827 	hsi_async_read(cl, msg);  in ssip_rxcmd_complete()
828 	dev_dbg(&cl->device, "RX cmd: 0x%08x\n", cmd);  in ssip_rxcmd_complete()
834 		ssip_rx_bootinforeq(cl, cmd);  in ssip_rxcmd_complete()
837 		ssip_rx_bootinforesp(cl, cmd);  in ssip_rxcmd_complete()
840 		ssip_rx_waketest(cl, cmd);  in ssip_rxcmd_complete()
843 		ssip_rx_strans(cl, cmd);  in ssip_rxcmd_complete()
846 		ssip_rx_ready(cl);  in ssip_rxcmd_complete()
849 		dev_warn(&cl->device, "command 0x%08x not supported\n", cmd);  in ssip_rxcmd_complete()
856 	struct hsi_client *cl = msg->cl;  in ssip_swbreak_complete()  local
857 	struct ssi_protocol *ssi = hsi_client_drvdata(cl);  in ssip_swbreak_complete()
866 			hsi_stop_tx(cl);  in ssip_swbreak_complete()
871 		ssip_xmit(cl);  in ssip_swbreak_complete()
878 	struct hsi_client *cl = msg->cl;  in ssip_tx_data_complete()  local
879 	struct ssi_protocol *ssi = hsi_client_drvdata(cl);  in ssip_tx_data_complete()
883 		dev_err(&cl->device, "TX data error\n");  in ssip_tx_data_complete()
884 		ssip_error(cl);  in ssip_tx_data_complete()
894 		dev_dbg(&cl->device, "Send SWBREAK\n");  in ssip_tx_data_complete()
895 		hsi_async_write(cl, cmsg);  in ssip_tx_data_complete()
898 		ssip_xmit(cl);  in ssip_tx_data_complete()
904 static void ssip_port_event(struct hsi_client *cl, unsigned long event)  in ssip_port_event()  argument
908 		ssip_start_rx(cl);  in ssip_port_event()
911 		ssip_stop_rx(cl);  in ssip_port_event()
920 	struct hsi_client *cl = to_hsi_client(dev->dev.parent);  in ssip_pn_open()  local
921 	struct ssi_protocol *ssi = hsi_client_drvdata(cl);  in ssip_pn_open()
924 	err = hsi_claim_port(cl, 1);  in ssip_pn_open()
926 		dev_err(&cl->device, "SSI port already claimed\n");  in ssip_pn_open()
929 	err = hsi_register_port_event(cl, ssip_port_event);  in ssip_pn_open()
931 		dev_err(&cl->device, "Register HSI port event failed (%d)\n",  in ssip_pn_open()
935 	dev_dbg(&cl->device, "Configuring SSI port\n");  in ssip_pn_open()
936 	hsi_setup(cl);  in ssip_pn_open()
940 		ssi_waketest(cl, 1); /* FIXME: To be removed */  in ssip_pn_open()
950 	struct hsi_client *cl = to_hsi_client(dev->dev.parent);  in ssip_pn_stop()  local
952 	ssip_reset(cl);  in ssip_pn_stop()
953 	hsi_unregister_port_event(cl);  in ssip_pn_stop()
954 	hsi_release_port(cl);  in ssip_pn_stop()
970 	struct hsi_client *cl = to_hsi_client(dev->dev.parent);  in ssip_pn_xmit()  local
971 	struct ssi_protocol *ssi = hsi_client_drvdata(cl);  in ssip_pn_xmit()
993 		dev_dbg(&cl->device, "Dropping tx data: No memory\n");  in ssip_pn_xmit()
1001 		dev_dbg(&cl->device, "Dropping tx data: CMT is OFFLINE\n");  in ssip_pn_xmit()
1007 		dev_info(&cl->device, "TX queue full %d\n", ssi->txqueue_len);  in ssip_pn_xmit()
1013 		dev_dbg(&cl->device, "Start TX qlen %d\n", ssi->txqueue_len);  in ssip_pn_xmit()
1014 		hsi_start_tx(cl);  in ssip_pn_xmit()
1017 		dev_dbg(&cl->device, "Start TX on SEND READY qlen %d\n",  in ssip_pn_xmit()
1020 		ssip_xmit(cl);  in ssip_pn_xmit()
1041 	dev_err(&ssi->cl->device, "CMT reset detected!\n");  in ssip_reset_event()
1042 	ssip_error(ssi->cl);  in ssip_reset_event()
1072 	struct hsi_client *cl = to_hsi_client(dev);  in ssi_protocol_probe()  local
1086 	ssi->rx_wd.data = (unsigned long)cl;  in ssi_protocol_probe()
1088 	ssi->tx_wd.data = (unsigned long)cl;  in ssi_protocol_probe()
1090 	ssi->keep_alive.data = (unsigned long)cl;  in ssi_protocol_probe()
1095 	hsi_client_set_drvdata(cl, ssi);  in ssi_protocol_probe()
1096 	ssi->cl = cl;  in ssi_protocol_probe()
1098 	ssi->channel_id_cmd = hsi_get_channel_id_by_name(cl, "mcsaab-control");  in ssi_protocol_probe()
1105 	ssi->channel_id_data = hsi_get_channel_id_by_name(cl, "mcsaab-data");  in ssi_protocol_probe()
1151 	struct hsi_client *cl = to_hsi_client(dev);  in ssi_protocol_remove()  local
1152 	struct ssi_protocol *ssi = hsi_client_drvdata(cl);  in ssi_protocol_remove()
1157 	hsi_client_set_drvdata(cl, NULL);  in ssi_protocol_remove()