3  * Cyclades PC300 synchronous serial card driver for Linux
55 enum { PC300_RSV = 1, PC300_X21, PC300_TE }; /* card types */
75 	struct card_s *card;  member
104 #define get_port(card, port)	     ((port) < (card)->n_ports ? \  argument
105 					 (&(card)->ports[port]) : (NULL))
111 	card_t *card = port->card;  in pc300_set_iface()  local
112 	u32 __iomem *init_ctrl = &card->plxbase->init_ctrl;  in pc300_set_iface()
118 		port->card);  in pc300_set_iface()
143 	sca_out(rxs, msci + RXS, card);  in pc300_set_iface()
144 	sca_out(txs, msci + TXS, card);  in pc300_set_iface()
147 	if (port->card->type == PC300_RSV) {  in pc300_set_iface()
149 			writel(card->init_ctrl_value |  in pc300_set_iface()
152 			writel(card->init_ctrl_value &  in pc300_set_iface()
208 	if (port->card->type == PC300_X21 &&  in pc300_ioctl()
213 	else if (port->card->type == PC300_RSV &&  in pc300_ioctl()
218 	else if (port->card->type == PC300_RSV &&  in pc300_ioctl()
249 	card_t *card = pci_get_drvdata(pdev);  in pc300_pci_remove_one()  local
252 		if (card->ports[i].card)  in pc300_pci_remove_one()
253 			unregister_hdlc_device(card->ports[i].netdev);  in pc300_pci_remove_one()
255 	if (card->irq)  in pc300_pci_remove_one()
256 		free_irq(card->irq, card);  in pc300_pci_remove_one()
258 	if (card->rambase)  in pc300_pci_remove_one()
259 		iounmap(card->rambase);  in pc300_pci_remove_one()
260 	if (card->scabase)  in pc300_pci_remove_one()
261 		iounmap(card->scabase);  in pc300_pci_remove_one()
262 	if (card->plxbase)  in pc300_pci_remove_one()
263 		iounmap(card->plxbase);  in pc300_pci_remove_one()
267 	if (card->ports[0].netdev)  in pc300_pci_remove_one()
268 		free_netdev(card->ports[0].netdev);  in pc300_pci_remove_one()
269 	if (card->ports[1].netdev)  in pc300_pci_remove_one()
270 		free_netdev(card->ports[1].netdev);  in pc300_pci_remove_one()
271 	kfree(card);  in pc300_pci_remove_one()
285 	card_t *card;  in pc300_pci_init_one()  local
303 	card = kzalloc(sizeof(card_t), GFP_KERNEL);  in pc300_pci_init_one()
304 	if (!card) {  in pc300_pci_init_one()
309 	pci_set_drvdata(pdev, card);  in pc300_pci_init_one()
314 		pr_err("invalid card EEPROM parameters\n");  in pc300_pci_init_one()
320 	card->plxbase = ioremap(plxphys, PC300_PLX_SIZE);  in pc300_pci_init_one()
323 	card->scabase = ioremap(scaphys, PC300_SCA_SIZE);  in pc300_pci_init_one()
326 	card->rambase = pci_ioremap_bar(pdev, 3);  in pc300_pci_init_one()
328 	if (!card->plxbase || !card->scabase || !card->rambase) {  in pc300_pci_init_one()
336 	card->init_ctrl_value = readl(&((plx9050 __iomem *)card->scabase)->init_ctrl);  in pc300_pci_init_one()
341 		card->type = PC300_TE; /* not fully supported */  in pc300_pci_init_one()
342 	else if (card->init_ctrl_value & PC300_CTYPE_MASK)  in pc300_pci_init_one()
343 		card->type = PC300_X21;  in pc300_pci_init_one()
345 		card->type = PC300_RSV;  in pc300_pci_init_one()
349 		card->n_ports = 1;  in pc300_pci_init_one()
351 		card->n_ports = 2;  in pc300_pci_init_one()
353 	for (i = 0; i < card->n_ports; i++) {  in pc300_pci_init_one()
354 		card->ports[i].netdev = alloc_hdlcdev(&card->ports[i]);  in pc300_pci_init_one()
355 		if (!card->ports[i].netdev) {  in pc300_pci_init_one()
363 	p = &card->plxbase->init_ctrl;  in pc300_pci_init_one()
364 	writel(card->init_ctrl_value | 0x40000000, p);  in pc300_pci_init_one()
368 	writel(card->init_ctrl_value, p);  in pc300_pci_init_one()
373 	writel(card->init_ctrl_value | 0x20000000, p);  in pc300_pci_init_one()
377 	writel(card->init_ctrl_value, p);  in pc300_pci_init_one()
381 	ramsize = sca_detect_ram(card, card->rambase,  in pc300_pci_init_one()
385 		card->init_ctrl_value &= ~PC300_CLKSEL_MASK;  in pc300_pci_init_one()
387 		card->init_ctrl_value |= PC300_CLKSEL_MASK;  in pc300_pci_init_one()
389 	writel(card->init_ctrl_value, &card->plxbase->init_ctrl);  in pc300_pci_init_one()
391 	i = ramsize / (card->n_ports * (sizeof(pkt_desc) + HDLC_MAX_MRU));  in pc300_pci_init_one()
392 	card->tx_ring_buffers = min(i / 2, MAX_TX_BUFFERS);  in pc300_pci_init_one()
393 	card->rx_ring_buffers = i - card->tx_ring_buffers;  in pc300_pci_init_one()
395 	card->buff_offset = card->n_ports * sizeof(pkt_desc) *  in pc300_pci_init_one()
396 		(card->tx_ring_buffers + card->rx_ring_buffers);  in pc300_pci_init_one()
399 		card->type == PC300_X21 ? "X21" :  in pc300_pci_init_one()
400 		card->type == PC300_TE ? "TE" : "RSV",  in pc300_pci_init_one()
402 		card->tx_ring_buffers, card->rx_ring_buffers);  in pc300_pci_init_one()
404 	if (card->tx_ring_buffers < 1) {  in pc300_pci_init_one()
411 	writew(0x0041, &card->plxbase->intr_ctrl_stat);  in pc300_pci_init_one()
414 	if (request_irq(pdev->irq, sca_intr, IRQF_SHARED, "pc300", card)) {  in pc300_pci_init_one()
419 	card->irq = pdev->irq;  in pc300_pci_init_one()
421 	sca_init(card, 0);  in pc300_pci_init_one()
424 	// sca_out(sca_in(PCR, card) | PCR_COTE, PCR, card);  in pc300_pci_init_one()
426 	sca_out(0x10, BTCR, card);  in pc300_pci_init_one()
428 	for (i = 0; i < card->n_ports; i++) {  in pc300_pci_init_one()
429 		port_t *port = &card->ports[i];  in pc300_pci_init_one()
436 		dev->irq = card->irq;  in pc300_pci_init_one()
444 		port->card = card;  in pc300_pci_init_one()
445 		if (card->type == PC300_X21)  in pc300_pci_init_one()
453 			port->card = NULL;  in pc300_pci_init_one()