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path: root/drivers/isdn/hisax/teleint.c
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Diffstat (limited to 'drivers/isdn/hisax/teleint.c')
-rw-r--r--drivers/isdn/hisax/teleint.c334
1 files changed, 0 insertions, 334 deletions
diff --git a/drivers/isdn/hisax/teleint.c b/drivers/isdn/hisax/teleint.c
deleted file mode 100644
index 247aa33076b1..000000000000
--- a/drivers/isdn/hisax/teleint.c
+++ /dev/null
@@ -1,334 +0,0 @@
-/* $Id: teleint.c,v 1.16.2.5 2004/01/19 15:31:50 keil Exp $
- *
- * low level stuff for TeleInt isdn cards
- *
- * Author Karsten Keil
- * Copyright by Karsten Keil <keil@isdn4linux.de>
- *
- * 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 "isac.h"
-#include "hfc_2bs0.h"
-#include "isdnl1.h"
-
-static const char *TeleInt_revision = "$Revision: 1.16.2.5 $";
-
-#define byteout(addr, val) outb(val, addr)
-#define bytein(addr) inb(addr)
-
-static inline u_char
-readreg(unsigned int ale, unsigned int adr, u_char off)
-{
- register u_char ret;
- int max_delay = 2000;
-
- byteout(ale, off);
- ret = HFC_BUSY & bytein(ale);
- while (ret && --max_delay)
- ret = HFC_BUSY & bytein(ale);
- if (!max_delay) {
- printk(KERN_WARNING "TeleInt Busy not inactive\n");
- return (0);
- }
- ret = bytein(adr);
- return (ret);
-}
-
-static inline void
-readfifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
-{
- register u_char ret;
- register int max_delay = 20000;
- register int i;
-
- byteout(ale, off);
- for (i = 0; i < size; i++) {
- ret = HFC_BUSY & bytein(ale);
- while (ret && --max_delay)
- ret = HFC_BUSY & bytein(ale);
- if (!max_delay) {
- printk(KERN_WARNING "TeleInt Busy not inactive\n");
- return;
- }
- data[i] = bytein(adr);
- }
-}
-
-
-static inline void
-writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
-{
- register u_char ret;
- int max_delay = 2000;
-
- byteout(ale, off);
- ret = HFC_BUSY & bytein(ale);
- while (ret && --max_delay)
- ret = HFC_BUSY & bytein(ale);
- if (!max_delay) {
- printk(KERN_WARNING "TeleInt Busy not inactive\n");
- return;
- }
- byteout(adr, data);
-}
-
-static inline void
-writefifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
-{
- register u_char ret;
- register int max_delay = 20000;
- register int i;
-
- byteout(ale, off);
- for (i = 0; i < size; i++) {
- ret = HFC_BUSY & bytein(ale);
- while (ret && --max_delay)
- ret = HFC_BUSY & bytein(ale);
- if (!max_delay) {
- printk(KERN_WARNING "TeleInt Busy not inactive\n");
- return;
- }
- byteout(adr, data[i]);
- }
-}
-
-/* Interface functions */
-
-static u_char
-ReadISAC(struct IsdnCardState *cs, u_char offset)
-{
- cs->hw.hfc.cip = offset;
- return (readreg(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, offset));
-}
-
-static void
-WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
-{
- cs->hw.hfc.cip = offset;
- writereg(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, offset, value);
-}
-
-static void
-ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
-{
- cs->hw.hfc.cip = 0;
- readfifo(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, 0, data, size);
-}
-
-static void
-WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
-{
- cs->hw.hfc.cip = 0;
- writefifo(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, 0, data, size);
-}
-
-static u_char
-ReadHFC(struct IsdnCardState *cs, int data, u_char reg)
-{
- register u_char ret;
-
- if (data) {
- cs->hw.hfc.cip = reg;
- byteout(cs->hw.hfc.addr | 1, reg);
- ret = bytein(cs->hw.hfc.addr);
- if (cs->debug & L1_DEB_HSCX_FIFO && (data != 2))
- debugl1(cs, "hfc RD %02x %02x", reg, ret);
- } else
- ret = bytein(cs->hw.hfc.addr | 1);
- return (ret);
-}
-
-static void
-WriteHFC(struct IsdnCardState *cs, int data, u_char reg, u_char value)
-{
- byteout(cs->hw.hfc.addr | 1, reg);
- cs->hw.hfc.cip = reg;
- if (data)
- byteout(cs->hw.hfc.addr, value);
- if (cs->debug & L1_DEB_HSCX_FIFO && (data != 2))
- debugl1(cs, "hfc W%c %02x %02x", data ? 'D' : 'C', reg, value);
-}
-
-static irqreturn_t
-TeleInt_interrupt(int intno, void *dev_id)
-{
- struct IsdnCardState *cs = dev_id;
- u_char val;
- u_long flags;
-
- spin_lock_irqsave(&cs->lock, flags);
- val = readreg(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, ISAC_ISTA);
-Start_ISAC:
- if (val)
- isac_interrupt(cs, val);
- val = readreg(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, ISAC_ISTA);
- if (val) {
- if (cs->debug & L1_DEB_ISAC)
- debugl1(cs, "ISAC IntStat after IntRoutine");
- goto Start_ISAC;
- }
- writereg(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, ISAC_MASK, 0xFF);
- writereg(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, ISAC_MASK, 0x0);
- spin_unlock_irqrestore(&cs->lock, flags);
- return IRQ_HANDLED;
-}
-
-static void
-TeleInt_Timer(struct timer_list *t)
-{
- struct IsdnCardState *cs = from_timer(cs, t, hw.hfc.timer);
- int stat = 0;
- u_long flags;
-
- spin_lock_irqsave(&cs->lock, flags);
- if (cs->bcs[0].mode) {
- stat |= 1;
- main_irq_hfc(&cs->bcs[0]);
- }
- if (cs->bcs[1].mode) {
- stat |= 2;
- main_irq_hfc(&cs->bcs[1]);
- }
- spin_unlock_irqrestore(&cs->lock, flags);
- stat = HZ / 100;
- if (!stat)
- stat = 1;
- cs->hw.hfc.timer.expires = jiffies + stat;
- add_timer(&cs->hw.hfc.timer);
-}
-
-static void
-release_io_TeleInt(struct IsdnCardState *cs)
-{
- del_timer(&cs->hw.hfc.timer);
- releasehfc(cs);
- if (cs->hw.hfc.addr)
- release_region(cs->hw.hfc.addr, 2);
-}
-
-static void
-reset_TeleInt(struct IsdnCardState *cs)
-{
- printk(KERN_INFO "TeleInt: resetting card\n");
- cs->hw.hfc.cirm |= HFC_RESET;
- byteout(cs->hw.hfc.addr | 1, cs->hw.hfc.cirm); /* Reset On */
- mdelay(10);
- cs->hw.hfc.cirm &= ~HFC_RESET;
- byteout(cs->hw.hfc.addr | 1, cs->hw.hfc.cirm); /* Reset Off */
- mdelay(10);
-}
-
-static int
-TeleInt_card_msg(struct IsdnCardState *cs, int mt, void *arg)
-{
- u_long flags;
- int delay;
-
- switch (mt) {
- case CARD_RESET:
- spin_lock_irqsave(&cs->lock, flags);
- reset_TeleInt(cs);
- spin_unlock_irqrestore(&cs->lock, flags);
- return (0);
- case CARD_RELEASE:
- release_io_TeleInt(cs);
- return (0);
- case CARD_INIT:
- spin_lock_irqsave(&cs->lock, flags);
- reset_TeleInt(cs);
- inithfc(cs);
- clear_pending_isac_ints(cs);
- initisac(cs);
- /* Reenable all IRQ */
- cs->writeisac(cs, ISAC_MASK, 0);
- cs->writeisac(cs, ISAC_CMDR, 0x41);
- spin_unlock_irqrestore(&cs->lock, flags);
- delay = HZ / 100;
- if (!delay)
- delay = 1;
- cs->hw.hfc.timer.expires = jiffies + delay;
- add_timer(&cs->hw.hfc.timer);
- return (0);
- case CARD_TEST:
- return (0);
- }
- return (0);
-}
-
-int setup_TeleInt(struct IsdnCard *card)
-{
- struct IsdnCardState *cs = card->cs;
- char tmp[64];
-
- strcpy(tmp, TeleInt_revision);
- printk(KERN_INFO "HiSax: TeleInt driver Rev. %s\n", HiSax_getrev(tmp));
- if (cs->typ != ISDN_CTYPE_TELEINT)
- return (0);
-
- cs->hw.hfc.addr = card->para[1] & 0x3fe;
- cs->irq = card->para[0];
- cs->hw.hfc.cirm = HFC_CIRM;
- cs->hw.hfc.isac_spcr = 0x00;
- cs->hw.hfc.cip = 0;
- cs->hw.hfc.ctmt = HFC_CTMT | HFC_CLTIMER;
- cs->bcs[0].hw.hfc.send = NULL;
- cs->bcs[1].hw.hfc.send = NULL;
- cs->hw.hfc.fifosize = 7 * 1024 + 512;
- timer_setup(&cs->hw.hfc.timer, TeleInt_Timer, 0);
- if (!request_region(cs->hw.hfc.addr, 2, "TeleInt isdn")) {
- printk(KERN_WARNING
- "HiSax: TeleInt config port %x-%x already in use\n",
- cs->hw.hfc.addr,
- cs->hw.hfc.addr + 2);
- return (0);
- }
- /* HW IO = IO */
- byteout(cs->hw.hfc.addr, cs->hw.hfc.addr & 0xff);
- byteout(cs->hw.hfc.addr | 1, ((cs->hw.hfc.addr & 0x300) >> 8) | 0x54);
- switch (cs->irq) {
- case 3:
- cs->hw.hfc.cirm |= HFC_INTA;
- break;
- case 4:
- cs->hw.hfc.cirm |= HFC_INTB;
- break;
- case 5:
- cs->hw.hfc.cirm |= HFC_INTC;
- break;
- case 7:
- cs->hw.hfc.cirm |= HFC_INTD;
- break;
- case 10:
- cs->hw.hfc.cirm |= HFC_INTE;
- break;
- case 11:
- cs->hw.hfc.cirm |= HFC_INTF;
- break;
- default:
- printk(KERN_WARNING "TeleInt: wrong IRQ\n");
- release_io_TeleInt(cs);
- return (0);
- }
- byteout(cs->hw.hfc.addr | 1, cs->hw.hfc.cirm);
- byteout(cs->hw.hfc.addr | 1, cs->hw.hfc.ctmt);
-
- printk(KERN_INFO "TeleInt: defined at 0x%x IRQ %d\n",
- cs->hw.hfc.addr, cs->irq);
-
- setup_isac(cs);
- cs->readisac = &ReadISAC;
- cs->writeisac = &WriteISAC;
- cs->readisacfifo = &ReadISACfifo;
- cs->writeisacfifo = &WriteISACfifo;
- cs->BC_Read_Reg = &ReadHFC;
- cs->BC_Write_Reg = &WriteHFC;
- cs->cardmsg = &TeleInt_card_msg;
- cs->irq_func = &TeleInt_interrupt;
- ISACVersion(cs, "TeleInt:");
- return (1);
-}
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