3     Device driver for Databook TCIC-2 PCMCIA controller
55 MODULE_DESCRIPTION("Databook TCIC-2 PCMCIA socket driver");
62 /* The base port address of the TCIC-2 chip */
66 static int ignore = -1;
76 /* The card status change interrupt -- 0 means autoselect */
79 /* Poll status interval -- 0 means default to interrupt */
82 /* Delay for card status double-checking */
195 	return 2*(ns-14)/cycle_time;  in to_cycles()
214 	return -1;  in try_irq()
218 	return -1;  in try_irq()
246     /* Don't probe level-triggered interrupts -- reserved for PCI */  in irq_scan()
279 	    printk("%s%d", ((mask1 & ((1<<i)-1)) ? "," : ""), i);  in irq_scan()
288     bound to a (non-PCMCIA) Linux driver.
314 	num = (base ^ (base-1));  in is_active()
315 	base = base & (base-1);  in is_active()
321 	struct resource *res = request_region(base, num, "tcic-2");  in is_active()
351 		.name = "tcic-pcmcia",
356 	.name = "tcic-pcmcia",
367 	return -1;  in init_tcic()
369     printk(KERN_INFO "Databook TCIC-2 PCMCIA probe: ");  in init_tcic()
372     if (!request_region(tcic_base, 16, "tcic-2")) {  in init_tcic()
375 	return -ENODEV;  in init_tcic()
398 	return -ENODEV;  in init_tcic()
408 	/* only 16-bit cards, memory windows must be size-aligned */  in init_tcic()
411 	/* irq 14, 11, 10, 7, 6, 5, 4, 3 */  in init_tcic()
413 	/* 4K minimum window size */  in init_tcic()
449     /* irq 14, 11, 10, 7, 6, 5, 4, 3 */  in init_tcic()
457     scan = (mask & (mask-1));  in init_tcic()
458     if (((scan & (scan-1)) == 0) && (poll_interval == 0))  in init_tcic()
464 	for (i = 15; i > 0; i--)  in init_tcic()
595     u_short psock = container_of(sock, struct tcic_socket, socket)->psock;  in tcic_get_status()
613     dev_dbg(&sock->dev, "GetStatus(%d) = %#2.2x\n", psock, *value);  in tcic_get_status()
621     u_short psock = container_of(sock, struct tcic_socket, socket)->psock;  in tcic_set_socket()
625     dev_dbg(&sock->dev, "SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "  in tcic_set_socket()
626 	  "io_irq %d, csc_mask %#2.2x)\n", psock, state->flags,  in tcic_set_socket()
627 	  state->Vcc, state->Vpp, state->io_irq, state->csc_mask);  in tcic_set_socket()
633     if (state->Vcc == 50) {  in tcic_set_socket()
634 	switch (state->Vpp) {  in tcic_set_socket()
638 	default:  return -EINVAL;  in tcic_set_socket()
640     } else if (state->Vcc != 0)  in tcic_set_socket()
641 	return -EINVAL;  in tcic_set_socket()
647     if (state->flags & SS_OUTPUT_ENA) {  in tcic_set_socket()
652     if (state->flags & SS_RESET)  in tcic_set_socket()
658     scf1 |= TCIC_IRQ(state->io_irq);  in tcic_set_socket()
659     if (state->flags & SS_IOCARD) {  in tcic_set_socket()
661 	if (state->flags & SS_SPKR_ENA)  in tcic_set_socket()
663 	if (state->flags & SS_DMA_MODE)  in tcic_set_socket()
677     if (state->csc_mask & SS_DETECT) scf2 &= ~TCIC_SCF2_MCD;  in tcic_set_socket()
678     if (state->flags & SS_IOCARD) {  in tcic_set_socket()
679 	if (state->csc_mask & SS_STSCHG) reg &= ~TCIC_SCF2_MLBAT1;  in tcic_set_socket()
681 	if (state->csc_mask & SS_BATDEAD) reg &= ~TCIC_SCF2_MLBAT1;  in tcic_set_socket()
682 	if (state->csc_mask & SS_BATWARN) reg &= ~TCIC_SCF2_MLBAT2;  in tcic_set_socket()
683 	if (state->csc_mask & SS_READY) reg &= ~TCIC_SCF2_MRDY;  in tcic_set_socket()
686     /* For the ISA bus, the irq should be active-high totem-pole */  in tcic_set_socket()
696     u_short psock = container_of(sock, struct tcic_socket, socket)->psock;  in tcic_set_io_map()
700     dev_dbg(&sock->dev, "SetIOMap(%d, %d, %#2.2x, %d ns, "  in tcic_set_io_map()
701 	  "%#llx-%#llx)\n", psock, io->map, io->flags, io->speed,  in tcic_set_io_map()
702 	  (unsigned long long)io->start, (unsigned long long)io->stop);  in tcic_set_io_map()
703     if ((io->map > 1) || (io->start > 0xffff) || (io->stop > 0xffff) ||  in tcic_set_io_map()
704 	(io->stop < io->start)) return -EINVAL;  in tcic_set_io_map()
706     addr = TCIC_IWIN(psock, io->map);  in tcic_set_io_map()
708     base = io->start; len = io->stop - io->start;  in tcic_set_io_map()
710     if ((len & (len+1)) || (base & len)) return -EINVAL;  in tcic_set_io_map()
717     ioctl |= (io->flags & MAP_ACTIVE) ? TCIC_ICTL_ENA : 0;  in tcic_set_io_map()
718     ioctl |= to_cycles(io->speed) & TCIC_ICTL_WSCNT_MASK;  in tcic_set_io_map()
719     if (!(io->flags & MAP_AUTOSZ)) {  in tcic_set_io_map()
721 	ioctl |= (io->flags & MAP_16BIT) ? TCIC_ICTL_BW_16 : TCIC_ICTL_BW_8;  in tcic_set_io_map()
733     u_short psock = container_of(sock, struct tcic_socket, socket)->psock;  in tcic_set_mem_map()
737     dev_dbg(&sock->dev, "SetMemMap(%d, %d, %#2.2x, %d ns, "  in tcic_set_mem_map()
738 	  "%#llx-%#llx, %#x)\n", psock, mem->map, mem->flags,  in tcic_set_mem_map()
739 	  mem->speed, (unsigned long long)mem->res->start,  in tcic_set_mem_map()
740 	  (unsigned long long)mem->res->end, mem->card_start);  in tcic_set_mem_map()
741     if ((mem->map > 3) || (mem->card_start > 0x3ffffff) ||  in tcic_set_mem_map()
742 	(mem->res->start > 0xffffff) || (mem->res->end > 0xffffff) ||  in tcic_set_mem_map()
743 	(mem->res->start > mem->res->end) || (mem->speed > 1000))  in tcic_set_mem_map()
744 	return -EINVAL;  in tcic_set_mem_map()
746     addr = TCIC_MWIN(psock, mem->map);  in tcic_set_mem_map()
748     base = mem->res->start; len = mem->res->end - mem->res->start;  in tcic_set_mem_map()
749     if ((len & (len+1)) || (base & len)) return -EINVAL;  in tcic_set_mem_map()
757     mmap = mem->card_start - mem->res->start;  in tcic_set_mem_map()
759     if (mem->flags & MAP_ATTRIB) mmap |= TCIC_MMAP_REG;  in tcic_set_mem_map()
764     ctl |= to_cycles(mem->speed) & TCIC_MCTL_WSCNT_MASK;  in tcic_set_mem_map()
765     ctl |= (mem->flags & MAP_16BIT) ? 0 : TCIC_MCTL_B8;  in tcic_set_mem_map()
766     ctl |= (mem->flags & MAP_WRPROT) ? TCIC_MCTL_WP : 0;  in tcic_set_mem_map()
767     ctl |= (mem->flags & MAP_ACTIVE) ? TCIC_MCTL_ENA : 0;  in tcic_set_mem_map()