3  * Moxa C101 synchronous serial card driver for Linux
80 #define sca_in(reg, card)	   readb((card)->win0base + C101_SCA + (reg))  argument
81 #define sca_out(value, reg, card)  writeb(value, (card)->win0base + C101_SCA + (reg))  argument
82 #define sca_inw(reg, card)	   readw((card)->win0base + C101_SCA + (reg))  argument
85 #define sca_outw(value, reg, card) do { \  argument
86 	writeb(value & 0xFF, (card)->win0base + C101_SCA + (reg)); \
87 	writeb((value >> 8) & 0xFF, (card)->win0base + C101_SCA + (reg + 1));\
93 #define winsize(card)		   (C101_WINDOW_SIZE)  argument
94 #define win0base(card)		   ((card)->win0base)  argument
95 #define winbase(card)		   ((card)->win0base + 0x2000)  argument
96 #define get_port(card, port)	   (card)  argument
99 static inline u8 sca_get_page(card_t *card)  in sca_get_page()  argument
101 	return card->page;  in sca_get_page()
104 static inline void openwin(card_t *card, u8 page)  in openwin()  argument
106 	card->page = page;  in openwin()
107 	writeb(page, card->win0base + C101_PAGE);  in openwin()
274 static void c101_destroy_card(card_t *card)  in c101_destroy_card()  argument
276 	readb(card->win0base + C101_PAGE); /* Resets SCA? */  in c101_destroy_card()
278 	if (card->irq)  in c101_destroy_card()
279 		free_irq(card->irq, card);  in c101_destroy_card()
281 	if (card->win0base) {  in c101_destroy_card()
282 		iounmap(card->win0base);  in c101_destroy_card()
283 		release_mem_region(card->phy_winbase, C101_MAPPED_RAM_SIZE);  in c101_destroy_card()
286 	free_netdev(card->dev);  in c101_destroy_card()
288 	kfree(card);  in c101_destroy_card()
303 	card_t *card;  in c101_run()  local
316 	card = kzalloc_obj(card_t);  in c101_run()
317 	if (!card)  in c101_run()
320 	card->dev = alloc_hdlcdev(card);  in c101_run()
321 	if (!card->dev) {  in c101_run()
323 		kfree(card);  in c101_run()
327 	if (request_irq(irq, sca_intr, 0, devname, card)) {  in c101_run()
329 		c101_destroy_card(card);  in c101_run()
332 	card->irq = irq;  in c101_run()
336 		c101_destroy_card(card);  in c101_run()
339 	card->phy_winbase = winbase;  in c101_run()
340 	card->win0base = ioremap(winbase, C101_MAPPED_RAM_SIZE);  in c101_run()
341 	if (!card->win0base) {  in c101_run()
343 		c101_destroy_card(card);  in c101_run()
347 	card->tx_ring_buffers = TX_RING_BUFFERS;  in c101_run()
348 	card->rx_ring_buffers = RX_RING_BUFFERS;  in c101_run()
349 	card->buff_offset = C101_WINDOW_SIZE; /* Bytes 1D00-1FFF reserved */  in c101_run()
351 	readb(card->win0base + C101_PAGE); /* Resets SCA? */  in c101_run()
353 	writeb(0, card->win0base + C101_PAGE);  in c101_run()
354 	writeb(0, card->win0base + C101_DTR); /* Power-up for RAM? */  in c101_run()
356 	sca_init(card, 0);  in c101_run()
358 	dev = port_to_dev(card);  in c101_run()
361 	spin_lock_init(&card->lock);  in c101_run()
369 	card->settings.clock_type = CLOCK_EXT;  in c101_run()
374 		c101_destroy_card(card);  in c101_run()
378 	sca_init_port(card); /* Set up C101 memory */  in c101_run()
379 	set_carrier(card);  in c101_run()
382 		    card->irq, card->tx_ring_buffers, card->rx_ring_buffers);  in c101_run()
384 	*new_card = card;  in c101_run()
385 	new_card = &card->next_card;  in c101_run()
393 		pr_info("no card initialized\n");  in c101_init()
422 	card_t *card = first_card;  in c101_cleanup()  local
424 	while (card) {  in c101_cleanup()
425 		card_t *ptr = card;  in c101_cleanup()
427 		card = card->next_card;  in c101_cleanup()