drivers/tty/moxa.c

360 #define MOXA_IS_320(brd) ((brd)->boardType == MOXA_BOARD_C320_ISA || \
361 		(brd)->boardType == MOXA_BOARD_C320_PCI)
725 static int moxa_check_fw_model(struct moxa_board_conf *brd, u8 model)
727 	switch (brd->boardType) {
757 static int moxa_load_bios(struct moxa_board_conf *brd, const u8 *buf,
760 	void __iomem *baseAddr = brd->basemem;
771 	switch (brd->boardType) {
802 static int moxa_load_320b(struct moxa_board_conf *brd, const u8 *ptr,
805 	void __iomem *baseAddr = brd->basemem;
821 static int moxa_real_load_code(struct moxa_board_conf *brd, const void *ptr,
824 	void __iomem *baseAddr = brd->basemem;
831 	keycode = (brd->boardType == MOXA_BOARD_CP204J) ? CP204J_KeyCode :
834 	switch (brd->boardType) {
900 	if (MOXA_IS_320(brd)) {
901 		if (brd->busType == MOXA_BUS_TYPE_PCI) {	/* ASIC board */
921 	if (MOXA_IS_320(brd)) {
925 		brd->numPorts = j * 8;
936 	brd->intNdx = baseAddr + IRQindex;
937 	brd->intPend = baseAddr + IRQpending;
938 	brd->intTable = baseAddr + IRQtable;
943 static int moxa_load_code(struct moxa_board_conf *brd, const void *ptr,
946 	void __iomem *ofsAddr, *baseAddr = brd->basemem;
955 	retval = moxa_real_load_code(brd, ptr, len); /* may change numPorts */
959 	switch (brd->boardType) {
963 		port = brd->ports;
964 		for (i = 0; i < brd->numPorts; i++, port++) {
965 			port->board = brd;
981 		port = brd->ports;
982 		for (i = 0; i < brd->numPorts; i++, port++) {
983 			port->board = brd;
988 			switch (brd->numPorts) {
1031 static int moxa_load_fw(struct moxa_board_conf *brd, const struct firmware *fw)
1062 	if (moxa_check_fw_model(brd, hdr->model)) {
1093 	ret = moxa_load_bios(brd, ptr, lens[lenp]);
1102 		ret = moxa_load_320b(brd, ptr, lens[lenp]);
1110 	ret = moxa_load_code(brd, ptr, lens[lenp]);
1120 static int moxa_init_board(struct moxa_board_conf *brd, struct device *dev)
1128 	brd->ports = kcalloc(MAX_PORTS_PER_BOARD, sizeof(*brd->ports),
1130 	if (brd->ports == NULL) {
1136 	for (i = 0, p = brd->ports; i < MAX_PORTS_PER_BOARD; i++, p++) {
1143 	switch (brd->boardType) {
1165 	ret = moxa_load_fw(brd, fw);
1173 	brd->ready = 1;
1178 	first_idx = (brd - moxa_boards) * MAX_PORTS_PER_BOARD;
1179 	for (i = 0; i < brd->numPorts; i++)
1180 		tty_port_register_device(&brd->ports[i].port, moxaDriver,
1186 		tty_port_destroy(&brd->ports[i].port);
1187 	kfree(brd->ports);
1192 static void moxa_board_deinit(struct moxa_board_conf *brd)
1198 	brd->ready = 0;
1202 	for (a = 0; a < brd->numPorts; a++)
1203 		if (tty_port_initialized(&brd->ports[a].port))
1204 			tty_port_tty_hangup(&brd->ports[a].port, false);
1207 		tty_port_destroy(&brd->ports[a].port);
1211 		for (a = 0; a < brd->numPorts; a++)
1212 			if (tty_port_initialized(&brd->ports[a].port))
1221 	first_idx = (brd - moxa_boards) * MAX_PORTS_PER_BOARD;
1222 	for (a = 0; a < brd->numPorts; a++)
1225 	iounmap(brd->basemem);
1226 	brd->basemem = NULL;
1227 	kfree(brd->ports);
1308 	struct moxa_board_conf *brd = pci_get_drvdata(pdev);
1310 	moxa_board_deinit(brd);
1327 	struct moxa_board_conf *brd = moxa_boards;
1370 			brd->boardType = type[i];
1371 			brd->numPorts = type[i] == MOXA_BOARD_C218_ISA ? 8 :
1373 			brd->busType = MOXA_BUS_TYPE_ISA;
1374 			brd->basemem = ioremap(baseaddr[i], 0x4000);
1375 			if (!brd->basemem) {
1380 			if (moxa_init_board(brd, NULL)) {
1381 				iounmap(brd->basemem);
1382 				brd->basemem = NULL;
1388 					baseaddr[i], brd->numPorts);
1390 			brd++;
1455 	struct moxa_board_conf *brd;
1465 	brd = &moxa_boards[port / MAX_PORTS_PER_BOARD];
1466 	if (!brd->ready) {
1471 	if (port % MAX_PORTS_PER_BOARD >= brd->numPorts) {
1476 	ch = &brd->ports[port % MAX_PORTS_PER_BOARD];
1725 	struct moxa_board_conf *brd;
1731 		brd = &moxa_boards[card];
1732 		if (!brd->ready)
1738 		if (readb(brd->intPend) == 0xff)
1739 			ip = brd->intTable + readb(brd->intNdx);
1741 		for (port = 0; port < brd->numPorts; port++)
1742 			moxa_poll_port(&brd->ports[port], !!ip, ip + port);
1745 			writeb(0, brd->intPend); /* ACK */
1748 			struct moxa_port *p = brd->ports;
1749 			for (port = 0; port < brd->numPorts; port++, p++)