summaryrefslogtreecommitdiff
path: root/drivers/isdn/hisax/s0box.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/isdn/hisax/s0box.c')
-rw-r--r--drivers/isdn/hisax/s0box.c260
1 files changed, 0 insertions, 260 deletions
diff --git a/drivers/isdn/hisax/s0box.c b/drivers/isdn/hisax/s0box.c
deleted file mode 100644
index 4e7d0aa227ad..000000000000
--- a/drivers/isdn/hisax/s0box.c
+++ /dev/null
@@ -1,260 +0,0 @@
-/* $Id: s0box.c,v 2.6.2.4 2004/01/13 23:48:39 keil Exp $
- *
- * low level stuff for Creatix S0BOX
- *
- * Author Enrik Berkhan
- * Copyright by Enrik Berkhan <enrik@starfleet.inka.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 "hscx.h"
-#include "isdnl1.h"
-
-static const char *s0box_revision = "$Revision: 2.6.2.4 $";
-
-static inline void
-writereg(unsigned int padr, signed int addr, u_char off, u_char val) {
- outb_p(0x1c, padr + 2);
- outb_p(0x14, padr + 2);
- outb_p((addr + off) & 0x7f, padr);
- outb_p(0x16, padr + 2);
- outb_p(val, padr);
- outb_p(0x17, padr + 2);
- outb_p(0x14, padr + 2);
- outb_p(0x1c, padr + 2);
-}
-
-static u_char nibtab[] = { 1, 9, 5, 0xd, 3, 0xb, 7, 0xf,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 8, 4, 0xc, 2, 0xa, 6, 0xe };
-
-static inline u_char
-readreg(unsigned int padr, signed int addr, u_char off) {
- register u_char n1, n2;
-
- outb_p(0x1c, padr + 2);
- outb_p(0x14, padr + 2);
- outb_p((addr + off) | 0x80, padr);
- outb_p(0x16, padr + 2);
- outb_p(0x17, padr + 2);
- n1 = (inb_p(padr + 1) >> 3) & 0x17;
- outb_p(0x16, padr + 2);
- n2 = (inb_p(padr + 1) >> 3) & 0x17;
- outb_p(0x14, padr + 2);
- outb_p(0x1c, padr + 2);
- return nibtab[n1] | (nibtab[n2] << 4);
-}
-
-static inline void
-read_fifo(unsigned int padr, signed int adr, u_char *data, int size)
-{
- int i;
- register u_char n1, n2;
-
- outb_p(0x1c, padr + 2);
- outb_p(0x14, padr + 2);
- outb_p(adr | 0x80, padr);
- outb_p(0x16, padr + 2);
- for (i = 0; i < size; i++) {
- outb_p(0x17, padr + 2);
- n1 = (inb_p(padr + 1) >> 3) & 0x17;
- outb_p(0x16, padr + 2);
- n2 = (inb_p(padr + 1) >> 3) & 0x17;
- *(data++) = nibtab[n1] | (nibtab[n2] << 4);
- }
- outb_p(0x14, padr + 2);
- outb_p(0x1c, padr + 2);
- return;
-}
-
-static inline void
-write_fifo(unsigned int padr, signed int adr, u_char *data, int size)
-{
- int i;
- outb_p(0x1c, padr + 2);
- outb_p(0x14, padr + 2);
- outb_p(adr & 0x7f, padr);
- for (i = 0; i < size; i++) {
- outb_p(0x16, padr + 2);
- outb_p(*(data++), padr);
- outb_p(0x17, padr + 2);
- }
- outb_p(0x14, padr + 2);
- outb_p(0x1c, padr + 2);
- return;
-}
-
-/* Interface functions */
-
-static u_char
-ReadISAC(struct IsdnCardState *cs, u_char offset)
-{
- return (readreg(cs->hw.teles3.cfg_reg, cs->hw.teles3.isac, offset));
-}
-
-static void
-WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
-{
- writereg(cs->hw.teles3.cfg_reg, cs->hw.teles3.isac, offset, value);
-}
-
-static void
-ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
-{
- read_fifo(cs->hw.teles3.cfg_reg, cs->hw.teles3.isacfifo, data, size);
-}
-
-static void
-WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
-{
- write_fifo(cs->hw.teles3.cfg_reg, cs->hw.teles3.isacfifo, data, size);
-}
-
-static u_char
-ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
-{
- return (readreg(cs->hw.teles3.cfg_reg, cs->hw.teles3.hscx[hscx], offset));
-}
-
-static void
-WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
-{
- writereg(cs->hw.teles3.cfg_reg, cs->hw.teles3.hscx[hscx], offset, value);
-}
-
-/*
- * fast interrupt HSCX stuff goes here
- */
-
-#define READHSCX(cs, nr, reg) readreg(cs->hw.teles3.cfg_reg, cs->hw.teles3.hscx[nr], reg)
-#define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.teles3.cfg_reg, cs->hw.teles3.hscx[nr], reg, data)
-#define READHSCXFIFO(cs, nr, ptr, cnt) read_fifo(cs->hw.teles3.cfg_reg, cs->hw.teles3.hscxfifo[nr], ptr, cnt)
-#define WRITEHSCXFIFO(cs, nr, ptr, cnt) write_fifo(cs->hw.teles3.cfg_reg, cs->hw.teles3.hscxfifo[nr], ptr, cnt)
-
-#include "hscx_irq.c"
-
-static irqreturn_t
-s0box_interrupt(int intno, void *dev_id)
-{
-#define MAXCOUNT 5
- struct IsdnCardState *cs = dev_id;
- u_char val;
- u_long flags;
- int count = 0;
-
- spin_lock_irqsave(&cs->lock, flags);
- val = readreg(cs->hw.teles3.cfg_reg, cs->hw.teles3.hscx[1], HSCX_ISTA);
-Start_HSCX:
- if (val)
- hscx_int_main(cs, val);
- val = readreg(cs->hw.teles3.cfg_reg, cs->hw.teles3.isac, ISAC_ISTA);
-Start_ISAC:
- if (val)
- isac_interrupt(cs, val);
- count++;
- val = readreg(cs->hw.teles3.cfg_reg, cs->hw.teles3.hscx[1], HSCX_ISTA);
- if (val && count < MAXCOUNT) {
- if (cs->debug & L1_DEB_HSCX)
- debugl1(cs, "HSCX IntStat after IntRoutine");
- goto Start_HSCX;
- }
- val = readreg(cs->hw.teles3.cfg_reg, cs->hw.teles3.isac, ISAC_ISTA);
- if (val && count < MAXCOUNT) {
- if (cs->debug & L1_DEB_ISAC)
- debugl1(cs, "ISAC IntStat after IntRoutine");
- goto Start_ISAC;
- }
- if (count >= MAXCOUNT)
- printk(KERN_WARNING "S0Box: more than %d loops in s0box_interrupt\n", count);
- writereg(cs->hw.teles3.cfg_reg, cs->hw.teles3.hscx[0], HSCX_MASK, 0xFF);
- writereg(cs->hw.teles3.cfg_reg, cs->hw.teles3.hscx[1], HSCX_MASK, 0xFF);
- writereg(cs->hw.teles3.cfg_reg, cs->hw.teles3.isac, ISAC_MASK, 0xFF);
- writereg(cs->hw.teles3.cfg_reg, cs->hw.teles3.isac, ISAC_MASK, 0x0);
- writereg(cs->hw.teles3.cfg_reg, cs->hw.teles3.hscx[0], HSCX_MASK, 0x0);
- writereg(cs->hw.teles3.cfg_reg, cs->hw.teles3.hscx[1], HSCX_MASK, 0x0);
- spin_unlock_irqrestore(&cs->lock, flags);
- return IRQ_HANDLED;
-}
-
-static void
-release_io_s0box(struct IsdnCardState *cs)
-{
- release_region(cs->hw.teles3.cfg_reg, 8);
-}
-
-static int
-S0Box_card_msg(struct IsdnCardState *cs, int mt, void *arg)
-{
- u_long flags;
-
- switch (mt) {
- case CARD_RESET:
- break;
- case CARD_RELEASE:
- release_io_s0box(cs);
- break;
- case CARD_INIT:
- spin_lock_irqsave(&cs->lock, flags);
- inithscxisac(cs, 3);
- spin_unlock_irqrestore(&cs->lock, flags);
- break;
- case CARD_TEST:
- break;
- }
- return (0);
-}
-
-int setup_s0box(struct IsdnCard *card)
-{
- struct IsdnCardState *cs = card->cs;
- char tmp[64];
-
- strcpy(tmp, s0box_revision);
- printk(KERN_INFO "HiSax: S0Box IO driver Rev. %s\n", HiSax_getrev(tmp));
- if (cs->typ != ISDN_CTYPE_S0BOX)
- return (0);
-
- cs->hw.teles3.cfg_reg = card->para[1];
- cs->hw.teles3.hscx[0] = -0x20;
- cs->hw.teles3.hscx[1] = 0x0;
- cs->hw.teles3.isac = 0x20;
- cs->hw.teles3.isacfifo = cs->hw.teles3.isac + 0x3e;
- cs->hw.teles3.hscxfifo[0] = cs->hw.teles3.hscx[0] + 0x3e;
- cs->hw.teles3.hscxfifo[1] = cs->hw.teles3.hscx[1] + 0x3e;
- cs->irq = card->para[0];
- if (!request_region(cs->hw.teles3.cfg_reg, 8, "S0Box parallel I/O")) {
- printk(KERN_WARNING "HiSax: S0Box ports %x-%x already in use\n",
- cs->hw.teles3.cfg_reg,
- cs->hw.teles3.cfg_reg + 7);
- return 0;
- }
- printk(KERN_INFO "HiSax: S0Box config irq:%d isac:0x%x cfg:0x%x\n",
- cs->irq,
- cs->hw.teles3.isac, cs->hw.teles3.cfg_reg);
- printk(KERN_INFO "HiSax: hscx A:0x%x hscx B:0x%x\n",
- cs->hw.teles3.hscx[0], cs->hw.teles3.hscx[1]);
- setup_isac(cs);
- cs->readisac = &ReadISAC;
- cs->writeisac = &WriteISAC;
- cs->readisacfifo = &ReadISACfifo;
- cs->writeisacfifo = &WriteISACfifo;
- cs->BC_Read_Reg = &ReadHSCX;
- cs->BC_Write_Reg = &WriteHSCX;
- cs->BC_Send_Data = &hscx_fill_fifo;
- cs->cardmsg = &S0Box_card_msg;
- cs->irq_func = &s0box_interrupt;
- ISACVersion(cs, "S0Box:");
- if (HscxVersion(cs, "S0Box:")) {
- printk(KERN_WARNING
- "S0Box: wrong HSCX versions check IO address\n");
- release_io_s0box(cs);
- return (0);
- }
- return (1);
-}
generated by cgit (git 2.34.1) at 2024-05-07 00:41:27 +0000