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path: root/drivers/isdn/hisax/nj_u.c
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Diffstat (limited to 'drivers/isdn/hisax/nj_u.c')
-rw-r--r--drivers/isdn/hisax/nj_u.c258
1 files changed, 0 insertions, 258 deletions
diff --git a/drivers/isdn/hisax/nj_u.c b/drivers/isdn/hisax/nj_u.c
deleted file mode 100644
index 4e8adbede361..000000000000
--- a/drivers/isdn/hisax/nj_u.c
+++ /dev/null
@@ -1,258 +0,0 @@
-/* $Id: nj_u.c,v 2.14.2.3 2004/01/13 14:31:26 keil Exp $
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
- */
-
-#include <linux/init.h>
-#include "hisax.h"
-#include "icc.h"
-#include "isdnl1.h"
-#include <linux/pci.h>
-#include <linux/interrupt.h>
-#include <linux/ppp_defs.h>
-#include "netjet.h"
-
-static const char *NETjet_U_revision = "$Revision: 2.14.2.3 $";
-
-static u_char dummyrr(struct IsdnCardState *cs, int chan, u_char off)
-{
- return (5);
-}
-
-static void dummywr(struct IsdnCardState *cs, int chan, u_char off, u_char value)
-{
-}
-
-static irqreturn_t
-netjet_u_interrupt(int intno, void *dev_id)
-{
- struct IsdnCardState *cs = dev_id;
- u_char val, sval;
- u_long flags;
-
- spin_lock_irqsave(&cs->lock, flags);
- if (!((sval = bytein(cs->hw.njet.base + NETJET_IRQSTAT1)) &
- NETJET_ISACIRQ)) {
- val = NETjet_ReadIC(cs, ICC_ISTA);
- if (cs->debug & L1_DEB_ISAC)
- debugl1(cs, "tiger: i1 %x %x", sval, val);
- if (val) {
- icc_interrupt(cs, val);
- NETjet_WriteIC(cs, ICC_MASK, 0xFF);
- NETjet_WriteIC(cs, ICC_MASK, 0x0);
- }
- }
- /* start new code 13/07/00 GE */
- /* set bits in sval to indicate which page is free */
- if (inl(cs->hw.njet.base + NETJET_DMA_WRITE_ADR) <
- inl(cs->hw.njet.base + NETJET_DMA_WRITE_IRQ))
- /* the 2nd write page is free */
- sval = 0x08;
- else /* the 1st write page is free */
- sval = 0x04;
- if (inl(cs->hw.njet.base + NETJET_DMA_READ_ADR) <
- inl(cs->hw.njet.base + NETJET_DMA_READ_IRQ))
- /* the 2nd read page is free */
- sval = sval | 0x02;
- else /* the 1st read page is free */
- sval = sval | 0x01;
- if (sval != cs->hw.njet.last_is0) /* we have a DMA interrupt */
- {
- if (test_and_set_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags)) {
- spin_unlock_irqrestore(&cs->lock, flags);
- return IRQ_HANDLED;
- }
- cs->hw.njet.irqstat0 = sval;
- if ((cs->hw.njet.irqstat0 & NETJET_IRQM0_READ) !=
- (cs->hw.njet.last_is0 & NETJET_IRQM0_READ))
- /* we have a read dma int */
- read_tiger(cs);
- if ((cs->hw.njet.irqstat0 & NETJET_IRQM0_WRITE) !=
- (cs->hw.njet.last_is0 & NETJET_IRQM0_WRITE))
- /* we have a write dma int */
- write_tiger(cs);
- /* end new code 13/07/00 GE */
- test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
- }
- spin_unlock_irqrestore(&cs->lock, flags);
- return IRQ_HANDLED;
-}
-
-static void
-reset_netjet_u(struct IsdnCardState *cs)
-{
- cs->hw.njet.ctrl_reg = 0xff; /* Reset On */
- byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
- mdelay(10);
- cs->hw.njet.ctrl_reg = 0x40; /* Reset Off and status read clear */
- /* now edge triggered for TJ320 GE 13/07/00 */
- byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
- mdelay(10);
- cs->hw.njet.auxd = 0xC0;
- cs->hw.njet.dmactrl = 0;
- byteout(cs->hw.njet.auxa, 0);
- byteout(cs->hw.njet.base + NETJET_AUXCTRL, ~NETJET_ISACIRQ);
- byteout(cs->hw.njet.base + NETJET_IRQMASK1, NETJET_ISACIRQ);
- byteout(cs->hw.njet.auxa, cs->hw.njet.auxd);
-}
-
-static int
-NETjet_U_card_msg(struct IsdnCardState *cs, int mt, void *arg)
-{
- u_long flags;
-
- switch (mt) {
- case CARD_RESET:
- spin_lock_irqsave(&cs->lock, flags);
- reset_netjet_u(cs);
- spin_unlock_irqrestore(&cs->lock, flags);
- return (0);
- case CARD_RELEASE:
- release_io_netjet(cs);
- return (0);
- case CARD_INIT:
- spin_lock_irqsave(&cs->lock, flags);
- inittiger(cs);
- reset_netjet_u(cs);
- clear_pending_icc_ints(cs);
- initicc(cs);
- /* Reenable all IRQ */
- cs->writeisac(cs, ICC_MASK, 0);
- spin_unlock_irqrestore(&cs->lock, flags);
- return (0);
- case CARD_TEST:
- return (0);
- }
- return (0);
-}
-
-static int nju_pci_probe(struct pci_dev *dev_netjet, struct IsdnCardState *cs)
-{
- if (pci_enable_device(dev_netjet))
- return (0);
- pci_set_master(dev_netjet);
- cs->irq = dev_netjet->irq;
- if (!cs->irq) {
- printk(KERN_WARNING "NETspider-U: No IRQ for PCI card found\n");
- return (0);
- }
- cs->hw.njet.base = pci_resource_start(dev_netjet, 0);
- if (!cs->hw.njet.base) {
- printk(KERN_WARNING "NETspider-U: No IO-Adr for PCI card found\n");
- return (0);
- }
-
- return (1);
-}
-
-static int nju_cs_init(struct IsdnCard *card, struct IsdnCardState *cs)
-{
- cs->hw.njet.auxa = cs->hw.njet.base + NETJET_AUXDATA;
- cs->hw.njet.isac = cs->hw.njet.base | NETJET_ISAC_OFF;
- mdelay(10);
-
- cs->hw.njet.ctrl_reg = 0xff; /* Reset On */
- byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
- mdelay(10);
-
- cs->hw.njet.ctrl_reg = 0x00; /* Reset Off and status read clear */
- byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
- mdelay(10);
-
- cs->hw.njet.auxd = 0xC0;
- cs->hw.njet.dmactrl = 0;
-
- byteout(cs->hw.njet.auxa, 0);
- byteout(cs->hw.njet.base + NETJET_AUXCTRL, ~NETJET_ISACIRQ);
- byteout(cs->hw.njet.base + NETJET_IRQMASK1, NETJET_ISACIRQ);
- byteout(cs->hw.njet.auxa, cs->hw.njet.auxd);
-
- switch (((NETjet_ReadIC(cs, ICC_RBCH) >> 5) & 3))
- {
- case 3:
- return 1; /* end loop */
-
- case 0:
- printk(KERN_WARNING "NETspider-U: NETjet-S PCI card found\n");
- return -1; /* continue looping */
-
- default:
- printk(KERN_WARNING "NETspider-U: No PCI card found\n");
- return 0; /* end loop & function */
- }
- return 1; /* end loop */
-}
-
-static int nju_cs_init_rest(struct IsdnCard *card, struct IsdnCardState *cs)
-{
- const int bytecnt = 256;
-
- printk(KERN_INFO
- "NETspider-U: PCI card configured at %#lx IRQ %d\n",
- cs->hw.njet.base, cs->irq);
- if (!request_region(cs->hw.njet.base, bytecnt, "netspider-u isdn")) {
- printk(KERN_WARNING
- "HiSax: NETspider-U config port %#lx-%#lx "
- "already in use\n",
- cs->hw.njet.base,
- cs->hw.njet.base + bytecnt);
- return (0);
- }
- setup_icc(cs);
- cs->readisac = &NETjet_ReadIC;
- cs->writeisac = &NETjet_WriteIC;
- cs->readisacfifo = &NETjet_ReadICfifo;
- cs->writeisacfifo = &NETjet_WriteICfifo;
- cs->BC_Read_Reg = &dummyrr;
- cs->BC_Write_Reg = &dummywr;
- cs->BC_Send_Data = &netjet_fill_dma;
- cs->cardmsg = &NETjet_U_card_msg;
- cs->irq_func = &netjet_u_interrupt;
- cs->irq_flags |= IRQF_SHARED;
- ICCVersion(cs, "NETspider-U:");
-
- return (1);
-}
-
-static struct pci_dev *dev_netjet = NULL;
-
-int setup_netjet_u(struct IsdnCard *card)
-{
- int ret;
- struct IsdnCardState *cs = card->cs;
- char tmp[64];
-
-#ifdef __BIG_ENDIAN
-#error "not running on big endian machines now"
-#endif
-
- strcpy(tmp, NETjet_U_revision);
- printk(KERN_INFO "HiSax: Traverse Tech. NETspider-U driver Rev. %s\n", HiSax_getrev(tmp));
- if (cs->typ != ISDN_CTYPE_NETJET_U)
- return (0);
- test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
-
- for (;;)
- {
- if ((dev_netjet = hisax_find_pci_device(PCI_VENDOR_ID_TIGERJET,
- PCI_DEVICE_ID_TIGERJET_300, dev_netjet))) {
- ret = nju_pci_probe(dev_netjet, cs);
- if (!ret)
- return (0);
- } else {
- printk(KERN_WARNING "NETspider-U: No PCI card found\n");
- return (0);
- }
-
- ret = nju_cs_init(card, cs);
- if (!ret)
- return (0);
- if (ret > 0)
- break;
- /* ret < 0 == continue looping */
- }
-
- return nju_cs_init_rest(card, cs);
-}