Пример #1
0
static int
ISurf_card_msg(struct IsdnCardState *cs, int mt, void *arg)
{
	u_long flags;

	switch (mt) {
		case CARD_RESET:
			spin_lock_irqsave(&cs->lock, flags);
			reset_isurf(cs, ISURF_RESET);
			spin_unlock_irqrestore(&cs->lock, flags);
			return(0);
		case CARD_RELEASE:
			release_io_isurf(cs);
			return(0);
		case CARD_INIT:
			spin_lock_irqsave(&cs->lock, flags);
			reset_isurf(cs, ISURF_RESET);
			clear_pending_isac_ints(cs);
			writeb(0, cs->hw.isurf.isar+ISAR_IRQBIT);mb();
			initisac(cs);
			initisar(cs);
			/* Reenable ISAC IRQ */
			cs->writeisac(cs, ISAC_MASK, 0);
			/* RESET Receiver and Transmitter */
			cs->writeisac(cs, ISAC_CMDR, 0x41);
			spin_unlock_irqrestore(&cs->lock, flags);
			return(0);
		case CARD_TEST:
			return(0);
	}
	return(0);
}
Пример #2
0
static int
isurf_auxcmd(struct IsdnCardState *cs, isdn_ctrl *ic) {
	int ret;

	if ((ic->command == ISDN_CMD_IOCTL) && (ic->arg == 9)) {
		ret = isar_auxcmd(cs, ic);
		if (!ret) {
			reset_isurf(cs, ISURF_ISAR_EA | ISURF_ISAC_RESET |
				ISURF_ARCOFI_RESET);
			initisac(cs);
			cs->writeisac(cs, ISAC_MASK, 0);
			cs->writeisac(cs, ISAC_CMDR, 0x41);
		}
		return(ret);
	}
	return(isar_auxcmd(cs, ic));
}
Пример #3
0
static int
isurf_auxcmd(struct IsdnCardState *cs, isdn_ctrl *ic) {
	int ret;
	u_long flags;

	if ((ic->command == ISDN_CMD_IOCTL) && (ic->arg == 9)) {
		ret = isar_auxcmd(cs, ic);
		spin_lock_irqsave(&cs->lock, flags);
		if (!ret) {
			reset_isurf(cs, ISURF_ISAR_EA | ISURF_ISAC_RESET |
				ISURF_ARCOFI_RESET);
			initisac(cs);
			cs->writeisac(cs, ISAC_MASK, 0);
			cs->writeisac(cs, ISAC_CMDR, 0x41);
		}
		spin_unlock_irqrestore(&cs->lock, flags);
		return(ret);
	}
	return(isar_auxcmd(cs, ic));
}
Пример #4
0
int __init
setup_isurf(struct IsdnCard *card)
{
	int ver;
	struct IsdnCardState *cs = card->cs;
	char tmp[64];

	strcpy(tmp, ISurf_revision);
	printk(KERN_INFO "HiSax: ISurf driver Rev. %s\n", HiSax_getrev(tmp));
	
 	if (cs->typ != ISDN_CTYPE_ISURF)
 		return(0);
	if (card->para[1] && card->para[2]) {
		cs->hw.isurf.reset = card->para[1];
		cs->hw.isurf.phymem = card->para[2];
		cs->irq = card->para[0];
	} else {
		printk(KERN_WARNING "HiSax: %s port/mem not set\n",
			CardType[card->typ]);
		return (0);
	}
	if (check_region(cs->hw.isurf.reset, 1)) {
		printk(KERN_WARNING
			"HiSax: %s config port %x already in use\n",
			CardType[card->typ],
			cs->hw.isurf.reset);
			return (0);
	} else {
		request_region(cs->hw.isurf.reset, 1, "isurf isdn");
	}
	if (check_mem_region(cs->hw.isurf.phymem, ISURF_IOMEM_SIZE)) {
		printk(KERN_WARNING
			"HiSax: %s memory region %lx-%lx already in use\n",
			CardType[card->typ],
			cs->hw.isurf.phymem,
			cs->hw.isurf.phymem + ISURF_IOMEM_SIZE);
		release_region(cs->hw.isurf.reset, 1);
		return (0);
	} else {
		request_mem_region(cs->hw.isurf.phymem, ISURF_IOMEM_SIZE,
			"isurf iomem");
	}
	cs->hw.isurf.isar =
		(unsigned long) ioremap(cs->hw.isurf.phymem, ISURF_IOMEM_SIZE);
	cs->hw.isurf.isac = cs->hw.isurf.isar + ISURF_ISAC_OFFSET;
	printk(KERN_INFO
	       "ISurf: defined at 0x%x 0x%lx IRQ %d\n",
	       cs->hw.isurf.reset,
	       cs->hw.isurf.phymem,
	       cs->irq);

	cs->cardmsg = &ISurf_card_msg;
	cs->irq_func = &isurf_interrupt;
	cs->auxcmd = &isurf_auxcmd;
	cs->readisac = &ReadISAC;
	cs->writeisac = &WriteISAC;
	cs->readisacfifo = &ReadISACfifo;
	cs->writeisacfifo = &WriteISACfifo;
	cs->bcs[0].hw.isar.reg = &cs->hw.isurf.isar_r;
	cs->bcs[1].hw.isar.reg = &cs->hw.isurf.isar_r;
	reset_isurf(cs, ISURF_RESET);
	test_and_set_bit(HW_ISAR, &cs->HW_Flags);
	ISACVersion(cs, "ISurf:");
	cs->BC_Read_Reg = &ReadISAR;
	cs->BC_Write_Reg = &WriteISAR;
	cs->BC_Send_Data = &isar_fill_fifo;
	ver = ISARVersion(cs, "ISurf:");
	if (ver < 0) {
		printk(KERN_WARNING
			"ISurf: wrong ISAR version (ret = %d)\n", ver);
		release_io_isurf(cs);
		return (0);
	}
	return (1);
}