1 // SPDX-License-Identifier: GPL-2.0-or-later
5  * Copyright (C) 2003-2005  Yoichi Yuasa <yuasa@linux-mips.org>
15 #include <asm/io.h>
22 MODULE_AUTHOR("Yoichi Yuasa <yuasa@linux-mips.org>");
219 	return -1;  in search_nonuse_irq()
227 	sock->features |= SS_CAP_PCCARD | SS_CAP_PAGE_REGS;  in pccard_init()
228 	sock->irq_mask = 0;  in pccard_init()
229 	sock->map_size = 0x1000;  in pccard_init()
230 	sock->pci_irq = vrc4171_irq;  in pccard_init()
232 	slot = sock->sock;  in pccard_init()
234 	socket->csc_irq = search_nonuse_irq();  in pccard_init()
235 	socket->io_irq = search_nonuse_irq();  in pccard_init()
236 	spin_lock_init(&socket->lock);  in pccard_init()
247 	if (sock == NULL || sock->sock >= CARD_MAX_SLOTS || value == NULL)  in pccard_get_status()
248 		return -EINVAL;  in pccard_get_status()
250 	slot = sock->sock;  in pccard_get_status()
311 	if (sock == NULL || sock->sock >= CARD_MAX_SLOTS ||  in pccard_set_socket()
312 	    (state->Vpp != state->Vcc && state->Vpp != 0) ||  in pccard_set_socket()
313 	    (state->Vcc != 50 && state->Vcc != 33 && state->Vcc != 0))  in pccard_set_socket()
314 		return -EINVAL;  in pccard_set_socket()
316 	slot = sock->sock;  in pccard_set_socket()
319 	spin_lock_irq(&socket->lock);  in pccard_set_socket()
321 	voltage = set_Vcc_value(state->Vcc);  in pccard_set_socket()
325 	if (state->Vpp == state->Vcc)  in pccard_set_socket()
327 	if (state->flags & SS_OUTPUT_ENA)  in pccard_set_socket()
332 	if (state->io_irq != 0)  in pccard_set_socket()
333 		control |= socket->io_irq;  in pccard_set_socket()
334 	if (state->flags & SS_IOCARD)  in pccard_set_socket()
336 	if (state->flags & SS_RESET)  in pccard_set_socket()
345 	if (state->csc_mask != 0)  in pccard_set_socket()
346 		cscint |= socket->csc_irq << 8;  in pccard_set_socket()
347 	if (state->flags & SS_IOCARD) {  in pccard_set_socket()
348 		if (state->csc_mask & SS_STSCHG)  in pccard_set_socket()
351 		if (state->csc_mask & SS_BATDEAD)  in pccard_set_socket()
353 		if (state->csc_mask & SS_BATWARN)  in pccard_set_socket()
356 	if (state->csc_mask & SS_READY)  in pccard_set_socket()
358 	if (state->csc_mask & SS_DETECT)  in pccard_set_socket()
362 	spin_unlock_irq(&socket->lock);  in pccard_set_socket()
367 static int pccard_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)  in pccard_set_io_map()  argument
373 	if (sock == NULL || sock->sock >= CARD_MAX_SLOTS ||  in pccard_set_io_map()
374 	    io == NULL || io->map >= IO_MAX_MAPS ||  in pccard_set_io_map()
375 	    io->start > 0xffff || io->stop > 0xffff || io->start > io->stop)  in pccard_set_io_map()
376 		return -EINVAL;  in pccard_set_io_map()
378 	slot = sock->sock;  in pccard_set_io_map()
379 	map = io->map;  in pccard_set_io_map()
387 	exca_write_word(slot, I365_IO(map)+I365_W_START, io->start);  in pccard_set_io_map()
388 	exca_write_word(slot, I365_IO(map)+I365_W_STOP, io->stop);  in pccard_set_io_map()
391 	if (io->speed > 0)  in pccard_set_io_map()
393 	if (io->flags & MAP_16BIT)  in pccard_set_io_map()
395 	if (io->flags & MAP_AUTOSZ)  in pccard_set_io_map()
397 	if (io->flags & MAP_0WS)  in pccard_set_io_map()
401 	if (io->flags & MAP_ACTIVE) {  in pccard_set_io_map()
409 static int pccard_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem)  in pccard_set_mem_map()  argument
416 	if (sock == NULL || sock->sock >= CARD_MAX_SLOTS ||  in pccard_set_mem_map()
417 	    mem == NULL || mem->map >= MEM_MAX_MAPS ||  in pccard_set_mem_map()
418 	    mem->res->start < CARD_MEM_START || mem->res->start > CARD_MEM_END ||  in pccard_set_mem_map()
419 	    mem->res->end < CARD_MEM_START || mem->res->end > CARD_MEM_END ||  in pccard_set_mem_map()
420 	    mem->res->start > mem->res->end ||  in pccard_set_mem_map()
421 	    mem->card_start > CARD_MAX_MEM_OFFSET ||  in pccard_set_mem_map()
422 	    mem->speed > CARD_MAX_MEM_SPEED)  in pccard_set_mem_map()
423 		return -EINVAL;  in pccard_set_mem_map()
425 	slot = sock->sock;  in pccard_set_mem_map()
426 	map = mem->map;  in pccard_set_mem_map()
434 	start = (mem->res->start >> 12) & 0x3fff;  in pccard_set_mem_map()
435 	if (mem->flags & MAP_16BIT)  in pccard_set_mem_map()
439 	stop = (mem->res->end >> 12) & 0x3fff;  in pccard_set_mem_map()
440 	switch (mem->speed) {  in pccard_set_mem_map()
455 	offset = (mem->card_start >> 12) & 0x3fff;  in pccard_set_mem_map()
456 	if (mem->flags & MAP_ATTRIB)  in pccard_set_mem_map()
458 	if (mem->flags & MAP_WRPROT)  in pccard_set_mem_map()
462 	if (mem->flags & MAP_ACTIVE) {  in pccard_set_mem_map()
515 		if (socket->slot == SLOT_INITIALIZED) {  in pccard_interrupt()
516 			if (status & (1 << socket->csc_irq)) {  in pccard_interrupt()
519 					pcmcia_parse_events(&socket->pcmcia_socket, events);  in pccard_interrupt()
528 		if (socket->slot == SLOT_INITIALIZED) {  in pccard_interrupt()
529 			if (status & (1 << socket->csc_irq)) {  in pccard_interrupt()
532 					pcmcia_parse_events(&socket->pcmcia_socket, events);  in pccard_interrupt()
565 		if (socket->slot != SLOT_PROBE) {  in vrc4171_add_sockets()
568 			switch (socket->slot) {  in vrc4171_add_sockets()
587 		sprintf(socket->name, "NEC VRC4171 Card Slot %1c", 'A' + slot);  in vrc4171_add_sockets()
588 		socket->pcmcia_socket.dev.parent = &vrc4171_card_device.dev;  in vrc4171_add_sockets()
589 		socket->pcmcia_socket.ops = &vrc4171_pccard_operations;  in vrc4171_add_sockets()
590 		socket->pcmcia_socket.owner = THIS_MODULE;  in vrc4171_add_sockets()
592 		retval = pcmcia_register_socket(&socket->pcmcia_socket);  in vrc4171_add_sockets()
599 		socket->slot = SLOT_INITIALIZED;  in vrc4171_add_sockets()
615 		if (socket->slot == SLOT_INITIALIZED)  in vrc4171_remove_sockets()
616 			pcmcia_unregister_socket(&socket->pcmcia_socket);  in vrc4171_remove_sockets()
618 		socket->slot = SLOT_PROBE;  in vrc4171_remove_sockets()