6  * 	NEC VRC4173 CARDU driver for Socket Services
43 MODULE_DESCRIPTION("NEC VRC4173 CARDU driver for Socket Services");
56 static inline uint8_t exca_readb(vrc4173_socket_t *socket, uint16_t offset)  in exca_readb()  argument
58 	return readb(socket->base + EXCA_REGS_BASE + offset);  in exca_readb()
61 static inline uint16_t exca_readw(vrc4173_socket_t *socket, uint16_t offset)  in exca_readw()  argument
65 	val = readb(socket->base + EXCA_REGS_BASE + offset);  in exca_readw()
66 	val |= (u16)readb(socket->base + EXCA_REGS_BASE + offset + 1) << 8;  in exca_readw()
71 static inline void exca_writeb(vrc4173_socket_t *socket, uint16_t offset, uint8_t val)  in exca_writeb()  argument
73 	writeb(val, socket->base + EXCA_REGS_BASE + offset);  in exca_writeb()
76 static inline void exca_writew(vrc4173_socket_t *socket, uint8_t offset, uint16_t val)  in exca_writew()  argument
78 	writeb((u8)val, socket->base + EXCA_REGS_BASE + offset);  in exca_writew()
79 	writeb((u8)(val >> 8), socket->base + EXCA_REGS_BASE + offset + 1);  in exca_writew()
82 static inline uint32_t cardbus_socket_readl(vrc4173_socket_t *socket, u16 offset)  in cardbus_socket_readl()  argument
84 	return readl(socket->base + CARDBUS_SOCKET_REGS_BASE + offset);  in cardbus_socket_readl()
87 static inline void cardbus_socket_writel(vrc4173_socket_t *socket, u16 offset, uint32_t val)  in cardbus_socket_writel()  argument
89 	writel(val, socket->base + CARDBUS_SOCKET_REGS_BASE + offset);  in cardbus_socket_writel()
124 	vrc4173_socket_t *socket = &cardu_sockets[slot];  in cardu_init()  local
126 	cardu_pciregs_init(socket->dev);  in cardu_init()
129 	exca_writeb(socket, GLO_CNT, 0);  in cardu_init()
131 	socket->cap.features |= SS_CAP_PCCARD | SS_CAP_PAGE_REGS;  in cardu_init()
132 	socket->cap.irq_mask = 0;  in cardu_init()
133 	socket->cap.map_size = 0x1000;  in cardu_init()
134 	socket->cap.pci_irq  = socket->dev->irq;  in cardu_init()
135 	socket->events = 0;  in cardu_init()
136 	spin_lock_init(socket->event_lock);  in cardu_init()
139 	exca_writeb(socket, CARD_SCI, CARD_DT_EN|RDY_EN|BAT_WAR_EN|BAT_DEAD_EN);  in cardu_init()
148 	vrc4173_socket_t *socket = &cardu_sockets[sock];  in cardu_register_callback()  local
150 	socket->handler = handler;  in cardu_register_callback()
151 	socket->info = info;  in cardu_register_callback()
158 	vrc4173_socket_t *socket = &cardu_sockets[sock];  in cardu_inquire_socket()  local
160 	*cap = socket->cap;  in cardu_inquire_socket()
167 	vrc4173_socket_t *socket = &cardu_sockets[sock];  in cardu_get_status()  local
172 	status = exca_readb(socket, IF_STATUS);  in cardu_get_status()
178 	if (exca_readb(socket, INT_GEN_CNT) & CARD_TYPE_IO) {  in cardu_get_status()
188 	state = cardbus_socket_readl(socket, SKT_PRE_STATE);  in cardu_get_status()
228 	vrc4173_socket_t *socket = &cardu_sockets[sock];  in cardu_set_socket()  local
237 	exca_writeb(socket, PWR_CNT, val);  in cardu_set_socket()
239 	val = exca_readb(socket, INT_GEN_CNT) & CARD_REST0;  in cardu_set_socket()
243 	exca_writeb(socket, INT_GEN_CNT, val);  in cardu_set_socket()
250 	vrc4173_socket_t *socket = &cardu_sockets[sock];  in cardu_get_io_map()  local
258 	io->start = exca_readw(socket, IO_WIN_SA(map));  in cardu_get_io_map()
259 	io->stop = exca_readw(socket, IO_WIN_EA(map));  in cardu_get_io_map()
261 	ioctl = exca_readb(socket, IO_WIN_CNT);  in cardu_get_io_map()
262 	window = exca_readb(socket, ADR_WIN_EN);  in cardu_get_io_map()
274 	vrc4173_socket_t *socket = &cardu_sockets[sock];  in cardu_set_io_map()  local
283 	window = exca_readb(socket, ADR_WIN_EN);  in cardu_set_io_map()
288 		exca_writeb(socket, ADR_WIN_EN, window);  in cardu_set_io_map()
291 	exca_writew(socket, IO_WIN_SA(map), io->start);  in cardu_set_io_map()
292 	exca_writew(socket, IO_WIN_EA(map), io->stop);  in cardu_set_io_map()
294 	ioctl = exca_readb(socket, IO_WIN_CNT) & ~IO_WIN_CNT_MASK(map);  in cardu_set_io_map()
297 	exca_writeb(socket, IO_WIN_CNT, ioctl);  in cardu_set_io_map()
300 		exca_writeb(socket, ADR_WIN_EN, window | enable);  in cardu_set_io_map()
307 	vrc4173_socket_t *socket = &cardu_sockets[sock];  in cardu_get_mem_map()  local
316 	window = exca_readb(socket, ADR_WIN_EN);  in cardu_get_mem_map()
319 	start = exca_readw(socket, MEM_WIN_SA(map));  in cardu_get_mem_map()
323 	stop = exca_readw(socket, MEM_WIN_EA(map));  in cardu_get_mem_map()
326 	offset = exca_readw(socket, MEM_WIN_OA(map));  in cardu_get_mem_map()
332 	page = exca_readb(socket, MEM_WIN_SAU(map)) << 24;  in cardu_get_mem_map()
341 	vrc4173_socket_t *socket = &cardu_sockets[sock];  in cardu_set_mem_map()  local
356 	window = exca_readb(socket, ADR_WIN_EN);  in cardu_set_mem_map()
360 		exca_writeb(socket, ADR_WIN_EN, window);  in cardu_set_mem_map()
363 	exca_writeb(socket, MEM_WIN_SAU(map), sys_start >> 24);  in cardu_set_mem_map()
367 	exca_writew(socket, MEM_WIN_SA(map), value);  in cardu_set_mem_map()
370 	exca_writew(socket, MEM_WIN_EA(map), value);  in cardu_set_mem_map()
375 	exca_writew(socket, MEM_WIN_OA(map), value);  in cardu_set_mem_map()
378 		exca_writeb(socket, ADR_WIN_EN, window | enable);  in cardu_set_mem_map()
402 	vrc4173_socket_t *socket = (vrc4173_socket_t *)data;  in cardu_bh()  local
405 	spin_lock_irq(&socket->event_lock);  in cardu_bh()
406 	events = socket->events;  in cardu_bh()
407 	socket->events = 0;  in cardu_bh()
408 	spin_unlock_irq(&socket->event_lock);  in cardu_bh()
410 	if (socket->handler)  in cardu_bh()
411 		socket->handler(socket->info, events);  in cardu_bh()
414 static uint16_t get_events(vrc4173_socket_t *socket)  in get_events()  argument
419 	status = exca_readb(socket, IF_STATUS);  in get_events()
420 	csc = exca_readb(socket, CARD_SC);  in get_events()
428 	if (exca_readb(socket, INT_GEN_CNT) & CARD_TYPE_IO) {  in get_events()
445 	vrc4173_socket_t *socket = (vrc4173_socket_t *)dev_id;  in cardu_interrupt()  local
448 	INIT_WORK(&socket->tq_work, cardu_bh, socket);  in cardu_interrupt()
450 	events = get_events(socket);  in cardu_interrupt()
452 		spin_lock(&socket->event_lock);  in cardu_interrupt()
453 		socket->events |= events;  in cardu_interrupt()
454 		spin_unlock(&socket->event_lock);  in cardu_interrupt()
455 		schedule_work(&socket->tq_work);  in cardu_interrupt()
462 	vrc4173_socket_t *socket;  in vrc4173_cardu_probe()  local
467 	socket = &cardu_sockets[slot];  in vrc4173_cardu_probe()
468 	if (socket->noprobe != 0)  in vrc4173_cardu_probe()
471 	sprintf(socket->name, "NEC VRC4173 CARDU%1d", slot+1);  in vrc4173_cardu_probe()
494 	err = pci_request_regions(dev, socket->name);  in vrc4173_cardu_probe()
500 	socket->base = ioremap(start, len);  in vrc4173_cardu_probe()
501 	if (socket->base == NULL) {  in vrc4173_cardu_probe()
506 	socket->dev = dev;  in vrc4173_cardu_probe()
508 	socket->pcmcia_socket = pcmcia_register_socket(slot, &cardu_operations, 1);  in vrc4173_cardu_probe()
509 	if (socket->pcmcia_socket == NULL) {  in vrc4173_cardu_probe()
514 	if (request_irq(dev->irq, cardu_interrupt, IRQF_SHARED, socket->name, socket) < 0) {  in vrc4173_cardu_probe()
519 	printk(KERN_INFO "%s at %#08lx, IRQ %d\n", socket->name, start, dev->irq);  in vrc4173_cardu_probe()
524 	pcmcia_unregister_socket(socket->pcmcia_socket);  in vrc4173_cardu_probe()
525 	socket->pcmcia_socket = NULL;  in vrc4173_cardu_probe()
527 	iounmap(socket->base);  in vrc4173_cardu_probe()
528 	socket->base = NULL;  in vrc4173_cardu_probe()