elsa.c
/* elsa.c.shtml,v 1.1.1.1 2002/08/19 05:50:13 fritz Exp
* elsa.c low level stuff for Elsa isdn cards
*
* Author Karsten Keil (keil@temic-ech.spacenet.de)
*
* Thanks to Elsa GmbH for documents and informations
*
* Klaus Lichtenwalder (Klaus.Lichtenwalder@WebForum.DE)
* for ELSA PCMCIA support
*
*
* elsa.c.shtml,v
* Revision 1.1.1.1 2002/08/19 05:50:13 fritz
* - initial import
*
* Revision 2.9 1998/05/25 12:57:48 keil
* HiSax golden code from certification, Don't use !!!
* No leased lines, no X75, but many changes.
*
* Revision 2.8 1998/04/15 16:41:42 keil
* QS3000 PCI support
* new init code
* new PCI init (2.1.94)
*
* Revision 2.7 1998/03/07 22:56:58 tsbogend
* made HiSax working on Linux/Alpha
*
* Revision 2.6 1998/02/02 13:29:40 keil
* fast io
*
* Revision 2.5 1998/01/31 21:41:45 keil
* changes for newer 2.1 kernels
*
* Revision 2.4 1997/11/08 21:35:46 keil
* new l1 init
*
* Revision 2.3 1997/11/06 17:15:09 keil
* New 2.1 init; PCMCIA wrapper changes
*
* Revision 2.2 1997/10/29 18:57:09 keil
* changes for 2.1.60, arcofi support
*
* Revision 2.1 1997/07/27 21:47:08 keil
* new interface structures
*
* Revision 2.0 1997/06/26 11:02:40 keil
* New Layer and card interface
*
* old changes removed KKe
*
*/
#define __NO_VERSION__
#include <linux/config.h>
#include "hisax.h"
#include "arcofi.h"
#include "isac.h"
#include "ipac.h"
#include "hscx.h"
#include "isdnl1.h"
#include <linux/pci.h>
//#define KDEBUG_DEF
//#include "../kdebug.h"
extern const char *CardType[];
const char *Elsa_revision = "1.1.1.1";
const char *Elsa_Types[] =
{"None", "PC", "PCC-8", "PCC-16", "PCF", "PCF-Pro",
"PCMCIA", "QS 1000", "QS 3000", "QS 1000 PCI", "QS 3000 PCI"};
const char *ITACVer[] =
{"?0?", "?1?", "?2?", "?3?", "?4?", "V2.2",
"B1", "A1"};
#define byteout(addr,val) outb(val,addr)
#define bytein(addr) inb(addr)
#define ELSA_ISAC 0
#define ELSA_ISAC_PCM 1
#define ELSA_ITAC 1
#define ELSA_HSCX 2
#define ELSA_ALE 3
#define ELSA_ALE_PCM 4
#define ELSA_CONTROL 4
#define ELSA_CONFIG 5
#define ELSA_START_TIMER 6
#define ELSA_TRIG_IRQ 7
#define ELSA_PC 1
#define ELSA_PCC8 2
#define ELSA_PCC16 3
#define ELSA_PCF 4
#define ELSA_PCFPRO 5
#define ELSA_PCMCIA 6
#define ELSA_QS1000 7
#define ELSA_QS3000 8
#define ELSA_QS1000PCI 9
#define ELSA_QS3000PCI 10
/* PCI stuff */
#define PCI_VENDOR_ELSA 0x1048
#define PCI_QS1000_ID 0x1000
#define PCI_QS3000_ID 0x3000
#define ELSA_PCI_IRQ_MASK 0x04
/* ITAC Registeradressen (only Microlink PC) */
#define ITAC_SYS 0x34
#define ITAC_ISEN 0x48
#define ITAC_RFIE 0x4A
#define ITAC_XFIE 0x4C
#define ITAC_SCIE 0x4E
#define ITAC_STIE 0x46
/*** ***
*** Makros als Befehle fuer die Kartenregister ***
*** (mehrere Befehle werden durch Bit-Oderung kombiniert) ***
*** ***/
/* Config-Register (Read) */
#define ELSA_TIMER_RUN 0x02 /* Bit 1 des Config-Reg */
#define ELSA_TIMER_RUN_PCC8 0x01 /* Bit 0 des Config-Reg bei PCC */
#define ELSA_IRQ_IDX 0x38 /* Bit 3,4,5 des Config-Reg */
#define ELSA_IRQ_IDX_PCC8 0x30 /* Bit 4,5 des Config-Reg */
#define ELSA_IRQ_IDX_PC 0x0c /* Bit 2,3 des Config-Reg */
/* Control-Register (Write) */
#define ELSA_LINE_LED 0x02 /* Bit 1 Gelbe LED */
#define ELSA_STAT_LED 0x08 /* Bit 3 Gruene LED */
#define ELSA_ISDN_RESET 0x20 /* Bit 5 Reset-Leitung */
#define ELSA_ENA_TIMER_INT 0x80 /* Bit 7 Freigabe Timer Interrupt */
/* ALE-Register (Read) */
#define ELSA_HW_RELEASE 0x07 /* Bit 0-2 Hardwarerkennung */
#define ELSA_S0_POWER_BAD 0x08 /* Bit 3 S0-Bus Spannung fehlt */
/* Status Flags */
#define ELSA_TIMER_AKTIV 1
#define ELSA_BAD_PWR 2
#define ELSA_ASSIGN 4
#define RS_ISR_PASS_LIMIT 256
#define _INLINE_ inline
#define FLG_MODEM_ACTIVE 1
/* IPAC AUX */
#define ELSA_IPAC_LINE_LED 0x40 /* Bit 6 Gelbe LED */
#define ELSA_IPAC_STAT_LED 0x80 /* Bit 7 Gruene LED */
const u_char ARCOFI_VERSION[] = {2,0xa0,0};
const u_char ARCOFI_COP_5[] = {4,0xa1,0x25,0xbb,0x4a}; /* GTX */
const u_char ARCOFI_COP_6[] = {6,0xa1,0x26,0,0,0x82,0x7c}; /* GRL GRH */
const u_char ARCOFI_COP_7[] = {4,0xa1,0x27,0x80,0x80}; /* GZ */
const u_char ARCOFI_COP_8[] = {10,0xa1,0x28,0x49,0x31,0x8,0x13,0x6e,0x88,0x2a,0x61}; /* TX */
const u_char ARCOFI_COP_9[] = {10,0xa1,0x29,0x80,0xcb,0xe9,0x88,0x00,0xc8,0xd8,0x80}; /* RX */
const u_char ARCOFI_XOP_0[] = {2,0xa1,0x30}; /* PWR Down */
const u_char ARCOFI_XOP_1[] = {2,0xa1,0x31}; /* PWR UP */
const u_char ARCOFI_XOP_F[] = {2,0xa1,0x3f}; /* Normal OP */
const u_char ARCOFI_SOP_F[] = {10,0xa1,0x1f,0x00,0x50,0x10,0x00,0x00,0x80,0x02,0x12};
static void set_arcofi(struct IsdnCardState *cs, int bc);
#if ARCOFI_USE
#include "elsa_ser.c"
#endif
static inline u_char
readreg(unsigned int ale, unsigned int adr, u_char off)
{
register u_char ret;
long flags;
save_flags(flags);
cli();
byteout(ale, off);
ret = bytein(adr);
restore_flags(flags);
return (ret);
}
static inline void
readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
{
/* fifo read without cli because it's allready done */
byteout(ale, off);
insb(adr, data, size);
}
static inline void
writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
{
long flags;
save_flags(flags);
cli();
byteout(ale, off);
byteout(adr, data);
restore_flags(flags);
}
static inline void
writefifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
{
/* fifo write without cli because it's allready done */
byteout(ale, off);
outsb(adr, data, size);
}
/* Interface functions */
static u_char
ReadISAC(struct IsdnCardState *cs, u_char offset)
{
return (readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset));
}
static void
WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
{
writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset, value);
}
static void
ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size)
{
readfifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0, data, size);
}
static void
WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size)
{
writefifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0, data, size);
}
static u_char
ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset)
{
return (readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset+0x80));
}
static void
WriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value)
{
writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset|0x80, value);
}
static void
ReadISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
{
readfifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0x80, data, size);
}
static void
WriteISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
{
writefifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0x80, data, size);
}
static u_char
ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
{
return (readreg(cs->hw.elsa.ale,
cs->hw.elsa.hscx, offset + (hscx ? 0x40 : 0)));
}
static void
WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
{
writereg(cs->hw.elsa.ale,
cs->hw.elsa.hscx, offset + (hscx ? 0x40 : 0), value);
}
static inline u_char
readitac(struct IsdnCardState *cs, u_char off)
{
register u_char ret;
long flags;
save_flags(flags);
cli();
byteout(cs->hw.elsa.ale, off);
ret = bytein(cs->hw.elsa.itac);
restore_flags(flags);
return (ret);
}
static inline void
writeitac(struct IsdnCardState *cs, u_char off, u_char data)
{
long flags;
save_flags(flags);
cli();
byteout(cs->hw.elsa.ale, off);
byteout(cs->hw.elsa.itac, data);
restore_flags(flags);
}
static inline int
TimerRun(struct IsdnCardState *cs)
{
register u_char v;
v = bytein(cs->hw.elsa.cfg);
if ((cs->subtyp == ELSA_QS1000) || (cs->subtyp == ELSA_QS3000))
return (0 == (v & ELSA_TIMER_RUN));
else if (cs->subtyp == ELSA_PCC8)
return (v & ELSA_TIMER_RUN_PCC8);
return (v & ELSA_TIMER_RUN);
}
/*
* fast interrupt HSCX stuff goes here
*/
#define READHSCX(cs, nr, reg) readreg(cs->hw.elsa.ale, \
cs->hw.elsa.hscx, reg + (nr ? 0x40 : 0))
#define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.elsa.ale, \
cs->hw.elsa.hscx, reg + (nr ? 0x40 : 0), data)
#define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.elsa.ale, \
cs->hw.elsa.hscx, (nr ? 0x40 : 0), ptr, cnt)
#define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.elsa.ale, \
cs->hw.elsa.hscx, (nr ? 0x40 : 0), ptr, cnt)
#include "hscx_irq.c"
static void
elsa_interrupt(int intno, void *dev_id, struct pt_regs *regs)
{
struct IsdnCardState *cs = dev_id;
u_char val;
u_char tmp[32];
int icnt=20;
if (!cs) {
printk(KERN_WARNING "Elsa: Spurious interrupt!\n");
return;
}
if ((cs->typ == ISDN_CTYPE_ELSA_PCMCIA) && (*cs->busy_flag == 1)) {
/* The card tends to generate interrupts while being removed
causing us to just crash the kernel. bad. */
printk(KERN_WARNING "Elsa: card not available!\n");
return;
}
#if ARCOFI_USE
if (cs->hw.elsa.MFlag) {
val = serial_inp(cs, UART_IIR);
if (!(val & UART_IIR_NO_INT)) {
sprintf(tmp,"IIR %02x", val);
debugl1(cs, tmp);
rs_interrupt_elsa(intno, cs);
}
}
#endif
val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40);
Start_HSCX:
if (val) {
hscx_int_main(cs, val);
}
val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA);
Start_ISAC:
if (val) {
isac_interrupt(cs, val);
}
val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40);
if (val && icnt) {
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "HSCX IntStat after IntRoutine");
icnt--;
goto Start_HSCX;
}
val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA);
if (val && icnt) {
if (cs->debug & L1_DEB_ISAC)
debugl1(cs, "ISAC IntStat after IntRoutine");
icnt--;
goto Start_ISAC;
}
if (!icnt)
printk(KERN_WARNING"ELSA IRQ LOOP\n");
writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK, 0xFF);
writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK + 0x40, 0xFF);
writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_MASK, 0xFF);
if (cs->hw.elsa.status & ELSA_TIMER_AKTIV) {
if (!TimerRun(cs)) {
/* Timer Restart */
byteout(cs->hw.elsa.timer, 0);
cs->hw.elsa.counter++;
}
}
if (cs->hw.elsa.MFlag) {
val = serial_inp(cs, UART_MCR);
val ^= 0x8;
serial_outp(cs, UART_MCR, val);
val = serial_inp(cs, UART_MCR);
val ^= 0x8;
serial_outp(cs, UART_MCR, val);
}
if (cs->hw.elsa.trig)
byteout(cs->hw.elsa.trig, 0x00);
writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK, 0x0);
writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK + 0x40, 0x0);
writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_MASK, 0x0);
}
static void
elsa_interrupt_ipac(int intno, void *dev_id, struct pt_regs *regs)
{
struct IsdnCardState *cs = dev_id;
u_char ista,val;
char tmp[64];
int icnt=20;
if (!cs) {
printk(KERN_WARNING "Elsa: Spurious interrupt!\n");
return;
}
val = bytein(cs->hw.elsa.cfg + 0x4c); /* PCI IRQ */
if (!(val & ELSA_PCI_IRQ_MASK))
return;
ista = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ISTA);
Start_IPAC:
if (cs->debug & L1_DEB_IPAC) {
sprintf(tmp, "IPAC ISTA %02X", ista);
debugl1(cs, tmp);
}
if (ista & 0x0f) {
val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40);
if (ista & 0x01)
val |= 0x01;
if (ista & 0x04)
val |= 0x02;
if (ista & 0x08)
val |= 0x04;
if (val)
hscx_int_main(cs, val);
}
if (ista & 0x20) {
val = 0xfe & readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA + 0x80);
if (val) {
isac_interrupt(cs, val);
}
}
if (ista & 0x10) {
val = 0x01;
isac_interrupt(cs, val);
}
ista = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ISTA);
if ((ista & 0x3f) && icnt) {
icnt--;
goto Start_IPAC;
}
if (!icnt)
printk(KERN_WARNING "ELSA IRQ LOOP\n");
writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xFF);
writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xC0);
}
void
release_io_elsa(struct IsdnCardState *cs)
{
int bytecnt = 8;
del_timer(&cs->hw.elsa.tl);
if (cs->hw.elsa.ctrl)
byteout(cs->hw.elsa.ctrl, 0); /* LEDs Out */
if (cs->subtyp == ELSA_QS1000PCI) {
byteout(cs->hw.elsa.cfg + 0x4c, 0x01); /* disable IRQ */
writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
bytecnt = 2;
release_region(cs->hw.elsa.cfg, 0x80);
}
if (cs->subtyp == ELSA_QS3000PCI) {
byteout(cs->hw.elsa.cfg + 0x4c, 0x03); /* enable ELSA PCI IRQ */
writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
release_region(cs->hw.elsa.cfg, 0x80);
}
if ((cs->subtyp == ELSA_PCFPRO) ||
(cs->subtyp == ELSA_QS3000) ||
(cs->subtyp == ELSA_PCF) ||
(cs->subtyp == ELSA_QS3000PCI)) {
bytecnt = 16;
release_modem(cs);
}
if (cs->hw.elsa.base)
release_region(cs->hw.elsa.base, bytecnt);
}
static void
reset_elsa(struct IsdnCardState *cs)
{
long flags;
if (cs->hw.elsa.timer) {
/* Wait 1 Timer */
byteout(cs->hw.elsa.timer, 0);
while (TimerRun(cs));
cs->hw.elsa.ctrl_reg |= 0x50;
cs->hw.elsa.ctrl_reg &= ~ELSA_ISDN_RESET; /* Reset On */
byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
/* Wait 1 Timer */
byteout(cs->hw.elsa.timer, 0);
while (TimerRun(cs));
cs->hw.elsa.ctrl_reg |= ELSA_ISDN_RESET; /* Reset Off */
byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
/* Wait 1 Timer */
byteout(cs->hw.elsa.timer, 0);
while (TimerRun(cs));
if (cs->hw.elsa.trig)
byteout(cs->hw.elsa.trig, 0xff);
}
if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI)) {
save_flags(flags);
sti();
writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_POTA2, 0x20);
current->state = TASK_INTERRUPTIBLE;
current->timeout = jiffies + (10 * HZ) / 1000; /* Timeout 10ms */
schedule();
writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_POTA2, 0x00);
current->state = TASK_INTERRUPTIBLE;
current->timeout = jiffies + (10 * HZ) / 1000; /* Timeout 10ms */
schedule();
writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xc0);
schedule();
restore_flags(flags);
writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ACFG, 0x0);
writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_AOE, 0x3c);
writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
if (cs->subtyp == ELSA_QS1000PCI)
byteout(cs->hw.elsa.cfg + 0x4c, 0x41); /* enable ELSA PCI IRQ */
else if (cs->subtyp == ELSA_QS3000PCI)
byteout(cs->hw.elsa.cfg + 0x4c, 0x43); /* enable ELSA PCI IRQ */
}
}
static void
init_arcofi(struct IsdnCardState *cs) {
send_arcofi(cs, ARCOFI_XOP_0, 1, 0);
/* send_arcofi(cs, ARCOFI_XOP_F, 1);
*/
}
#define ARCDEL 500
static void
set_arcofi(struct IsdnCardState *cs, int bc) {
long flags;
char tmp[32];
sprintf(tmp,"set_arcofi bc=%d", bc);
debugl1(cs, tmp);
save_flags(flags);
sti();
send_arcofi(cs, ARCOFI_XOP_0, bc, 0);
udelay(ARCDEL);
send_arcofi(cs, ARCOFI_COP_5, bc, 0);
udelay(ARCDEL);
send_arcofi(cs, ARCOFI_COP_6, bc, 0);
udelay(ARCDEL);
send_arcofi(cs, ARCOFI_COP_7, bc, 0);
udelay(ARCDEL);
send_arcofi(cs, ARCOFI_COP_8, bc, 0);
udelay(ARCDEL);
send_arcofi(cs, ARCOFI_COP_9, bc, 0);
udelay(ARCDEL);
send_arcofi(cs, ARCOFI_SOP_F, bc, 0);
udelay(ARCDEL);
send_arcofi(cs, ARCOFI_XOP_1, bc, 0);
udelay(ARCDEL);
send_arcofi(cs, ARCOFI_XOP_F, bc, 0);
restore_flags(flags);
}
static int
check_arcofi(struct IsdnCardState *cs)
{
#if ARCOFI_USE
int arcofi_present = 0;
char tmp[40];
char *t;
u_char *p;
if (!cs->mon_tx)
if (!(cs->mon_tx=kmalloc(MAX_MON_FRAME, GFP_ATOMIC))) {
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "ISAC MON TX out of buffers!");
return(0);
}
send_arcofi(cs, ARCOFI_VERSION, 0, 1);
if (test_and_clear_bit(HW_MON1_TX_END, &cs->HW_Flags)) {
if (test_and_clear_bit(HW_MON1_RX_END, &cs->HW_Flags)) {
sprintf(tmp, "Arcofi response received %d bytes", cs->mon_rxp);
debugl1(cs, tmp);
p = cs->mon_rx;
t = tmp;
t += sprintf(tmp, "Arcofi data");
QuickHex(t, p, cs->mon_rxp);
debugl1(cs, tmp);
if ((cs->mon_rxp == 2) && (cs->mon_rx[0] == 0xa0)) {
switch(cs->mon_rx[1]) {
case 0x80:
debugl1(cs, "Arcofi 2160 detected");
arcofi_present = 1;
break;
case 0x82:
debugl1(cs, "Arcofi 2165 detected");
arcofi_present = 2;
break;
case 0x84:
debugl1(cs, "Arcofi 2163 detected");
arcofi_present = 3;
break;
default:
debugl1(cs, "unknown Arcofi response");
break;
}
} else
debugl1(cs, "undefined Monitor response");
cs->mon_rxp = 0;
}
} else if (cs->mon_tx) {
sprintf(tmp, "Arcofi not detected");
debugl1(cs, tmp);
}
if (arcofi_present) {
if (cs->subtyp==ELSA_QS1000) {
cs->subtyp = ELSA_QS3000;
printk(KERN_INFO
"Elsa: %s detected modem at 0x%x\n",
Elsa_Types[cs->subtyp],
cs->hw.elsa.base+8);
release_region(cs->hw.elsa.base, 8);
if (check_region(cs->hw.elsa.base, 16)) {
printk(KERN_WARNING
"HiSax: %s config port %x-%x already in use\n",
Elsa_Types[cs->subtyp],
cs->hw.elsa.base + 8,
cs->hw.elsa.base + 16);
} else
request_region(cs->hw.elsa.base, 16,
"elsa isdn modem");
} else if (cs->subtyp==ELSA_PCC16) {
cs->subtyp = ELSA_PCF;
printk(KERN_INFO
"Elsa: %s detected modem at 0x%x\n",
Elsa_Types[cs->subtyp],
cs->hw.elsa.base+8);
release_region(cs->hw.elsa.base, 8);
if (check_region(cs->hw.elsa.base, 16)) {
printk(KERN_WARNING
"HiSax: %s config port %x-%x already in use\n",
Elsa_Types[cs->subtyp],
cs->hw.elsa.base + 8,
cs->hw.elsa.base + 16);
} else
request_region(cs->hw.elsa.base, 16,
"elsa isdn modem");
} else
printk(KERN_INFO
"Elsa: %s detected modem at 0x%x\n",
Elsa_Types[cs->subtyp],
cs->hw.elsa.base+8);
init_arcofi(cs);
return(1);
}
#endif
return(0);
}
static void
elsa_led_handler(struct IsdnCardState *cs)
{
int blink = 0;
if (cs->subtyp == ELSA_PCMCIA)
return;
del_timer(&cs->hw.elsa.tl);
if (cs->hw.elsa.status & ELSA_ASSIGN)
cs->hw.elsa.ctrl_reg |= ELSA_STAT_LED;
else if (cs->hw.elsa.status & ELSA_BAD_PWR)
cs->hw.elsa.ctrl_reg &= ~ELSA_STAT_LED;
else {
cs->hw.elsa.ctrl_reg ^= ELSA_STAT_LED;
blink = 250;
}
if (cs->hw.elsa.status & 0xf000)
cs->hw.elsa.ctrl_reg |= ELSA_LINE_LED;
else if (cs->hw.elsa.status & 0x0f00) {
cs->hw.elsa.ctrl_reg ^= ELSA_LINE_LED;
blink = 500;
} else
cs->hw.elsa.ctrl_reg &= ~ELSA_LINE_LED;
if ((cs->subtyp == ELSA_QS1000PCI) ||
(cs->subtyp == ELSA_QS3000PCI)) {
u_char led = 0xff;
if (cs->hw.elsa.ctrl_reg & ELSA_LINE_LED)
led ^= ELSA_IPAC_LINE_LED;
if (cs->hw.elsa.ctrl_reg & ELSA_STAT_LED)
led ^= ELSA_IPAC_STAT_LED;
writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, led);
} else
byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
if (blink) {
init_timer(&cs->hw.elsa.tl);
cs->hw.elsa.tl.expires = jiffies + ((blink * HZ) / 1000);
add_timer(&cs->hw.elsa.tl);
}
}
static int
Elsa_card_msg(struct IsdnCardState *cs, int mt, void *arg)
{
int pwr, len, ret = 0;
u_char *msg;
long flags;
switch (mt) {
case CARD_RESET:
reset_elsa(cs);
return(0);
case CARD_RELEASE:
release_io_elsa(cs);
return(0);
case CARD_SETIRQ:
if ((cs->subtyp == ELSA_QS1000PCI) ||
(cs->subtyp == ELSA_QS3000PCI))
ret = request_irq(cs->irq, &elsa_interrupt_ipac,
I4L_IRQ_FLAG, "HiSax", cs);
else
ret = request_irq(cs->irq, &elsa_interrupt,
I4L_IRQ_FLAG, "HiSax", cs);
return(ret);
case CARD_INIT:
cs->debug |= L1_DEB_IPAC;
inithscxisac(cs, 1);
if ((cs->subtyp == ELSA_QS1000) ||
(cs->subtyp == ELSA_QS3000))
{
byteout(cs->hw.elsa.timer, 0);
}
if (cs->hw.elsa.trig)
byteout(cs->hw.elsa.trig, 0xff);
inithscxisac(cs, 2);
return(0);
case CARD_TEST:
if ((cs->subtyp == ELSA_PCMCIA) ||
(cs->subtyp == ELSA_QS1000PCI)) {
return(0);
} else if (cs->subtyp == ELSA_QS3000PCI) {
ret = 0;
} else {
save_flags(flags);
cs->hw.elsa.counter = 0;
sti();
cs->hw.elsa.ctrl_reg |= ELSA_ENA_TIMER_INT;
cs->hw.elsa.status |= ELSA_TIMER_AKTIV;
byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
byteout(cs->hw.elsa.timer, 0);
current->state = TASK_INTERRUPTIBLE;
current->timeout = jiffies + (110 * HZ) / 1000; /* Timeout 110ms */
schedule();
restore_flags(flags);
cs->hw.elsa.ctrl_reg &= ~ELSA_ENA_TIMER_INT;
byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
cs->hw.elsa.status &= ~ELSA_TIMER_AKTIV;
printk(KERN_INFO "Elsa: %d timer tics in 110 msek\n",
cs->hw.elsa.counter);
if (abs(cs->hw.elsa.counter - 13) < 3) {
printk(KERN_INFO "Elsa: timer and irq OK\n");
ret = 0;
} else {
printk(KERN_WARNING
"Elsa: timer tic problem (%d/12) maybe an IRQ(%d) conflict\n",
cs->hw.elsa.counter, cs->irq);
ret = 1;
}
}
#if ARCOFI_USE
if (check_arcofi(cs)) {
init_modem(cs);
}
#endif
elsa_led_handler(cs);
return(ret);
case (MDL_REMOVE | REQUEST):
cs->hw.elsa.status &= 0;
break;
case (MDL_ASSIGN | REQUEST):
cs->hw.elsa.status |= ELSA_ASSIGN;
break;
case MDL_INFO_SETUP:
if ((long) arg)
cs->hw.elsa.status |= 0x0200;
else
cs->hw.elsa.status |= 0x0100;
break;
case MDL_INFO_CONN:
if ((long) arg)
cs->hw.elsa.status |= 0x2000;
else
cs->hw.elsa.status |= 0x1000;
break;
case MDL_INFO_REL:
if ((long) arg) {
cs->hw.elsa.status &= ~0x2000;
cs->hw.elsa.status &= ~0x0200;
} else {
cs->hw.elsa.status &= ~0x1000;
cs->hw.elsa.status &= ~0x0100;
}
break;
case CARD_AUX_IND:
if (cs->hw.elsa.MFlag) {
if (!arg)
return(0);
msg = arg;
len = *msg;
msg++;
modem_write_cmd(cs, msg, len);
}
break;
}
pwr = bytein(cs->hw.elsa.ale);
if (pwr & 0x08)
cs->hw.elsa.status |= ELSA_BAD_PWR;
else
cs->hw.elsa.status &= ~ELSA_BAD_PWR;
elsa_led_handler(cs);
return(ret);
}
static unsigned char
probe_elsa_adr(unsigned int adr, int typ)
{
int i, in1, in2, p16_1 = 0, p16_2 = 0, p8_1 = 0, p8_2 = 0, pc_1 = 0,
pc_2 = 0, pfp_1 = 0, pfp_2 = 0;
long flags;
/* In case of the elsa pcmcia card, this region is in use,
reserved for us by the card manager. So we do not check it
here, it would fail. */
if (typ != ISDN_CTYPE_ELSA_PCMCIA && check_region(adr, 8)) {
printk(KERN_WARNING
"Elsa: Probing Port 0x%x: already in use\n",
adr);
return (0);
}
save_flags(flags);
cli();
for (i = 0; i < 16; i++) {
in1 = inb(adr + ELSA_CONFIG); /* 'toggelt' bei */
in2 = inb(adr + ELSA_CONFIG); /* jedem Zugriff */
p16_1 += 0x04 & in1;
p16_2 += 0x04 & in2;
p8_1 += 0x02 & in1;
p8_2 += 0x02 & in2;
pc_1 += 0x01 & in1;
pc_2 += 0x01 & in2;
pfp_1 += 0x40 & in1;
pfp_2 += 0x40 & in2;
}
restore_flags(flags);
printk(KERN_INFO "Elsa: Probing IO 0x%x", adr);
if (65 == ++p16_1 * ++p16_2) {
printk(" PCC-16/PCF found\n");
return (ELSA_PCC16);
} else if (1025 == ++pfp_1 * ++pfp_2) {
printk(" PCF-Pro found\n");
return (ELSA_PCFPRO);
} else if (33 == ++p8_1 * ++p8_2) {
printk(" PCC8 found\n");
return (ELSA_PCC8);
} else if (17 == ++pc_1 * ++pc_2) {
printk(" PC found\n");
return (ELSA_PC);
} else {
printk(" failed\n");
return (0);
}
}
static unsigned int
probe_elsa(struct IsdnCardState *cs)
{
int i;
unsigned int CARD_portlist[] =
{0x160, 0x170, 0x260, 0x360, 0};
for (i = 0; CARD_portlist[i]; i++) {
if ((cs->subtyp = probe_elsa_adr(CARD_portlist[i], cs->typ)))
break;
}
return (CARD_portlist[i]);
}
static struct pci_dev *dev_qs1000 __initdata = NULL;
static struct pci_dev *dev_qs3000 __initdata = NULL;
int
setup_elsa(struct IsdnCard *card)
{
long flags;
int bytecnt;
u_char val;
struct IsdnCardState *cs = card->cs;
char tmp[64];
strcpy(tmp, Elsa_revision);
printk(KERN_INFO "HiSax: Elsa driver Rev. %s\n", HiSax_getrev(tmp));
cs->hw.elsa.ctrl_reg = 0;
cs->hw.elsa.status = 0;
cs->hw.elsa.MFlag = 0;
if (cs->typ == ISDN_CTYPE_ELSA) {
cs->hw.elsa.base = card->para[0];
printk(KERN_INFO "Elsa: Microlink IO probing\n");
if (cs->hw.elsa.base) {
if (!(cs->subtyp = probe_elsa_adr(cs->hw.elsa.base,
cs->typ))) {
printk(KERN_WARNING
"Elsa: no Elsa Microlink at 0x%x\n",
cs->hw.elsa.base);
return (0);
}
} else
cs->hw.elsa.base = probe_elsa(cs);
if (cs->hw.elsa.base) {
cs->hw.elsa.cfg = cs->hw.elsa.base + ELSA_CONFIG;
cs->hw.elsa.ctrl = cs->hw.elsa.base + ELSA_CONTROL;
cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE;
cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC;
cs->hw.elsa.itac = cs->hw.elsa.base + ELSA_ITAC;
cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
cs->hw.elsa.trig = cs->hw.elsa.base + ELSA_TRIG_IRQ;
cs->hw.elsa.timer = cs->hw.elsa.base + ELSA_START_TIMER;
val = bytein(cs->hw.elsa.cfg);
if (cs->subtyp == ELSA_PC) {
const u_char CARD_IrqTab[8] =
{7, 3, 5, 9, 0, 0, 0, 0};
cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX_PC) >> 2];
} else if (cs->subtyp == ELSA_PCC8) {
const u_char CARD_IrqTab[8] =
{7, 3, 5, 9, 0, 0, 0, 0};
cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX_PCC8) >> 4];
} else {
const u_char CARD_IrqTab[8] =
{15, 10, 15, 3, 11, 5, 11, 9};
cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX) >> 3];
}
val = bytein(cs->hw.elsa.ale) & ELSA_HW_RELEASE;
if (val < 3)
val |= 8;
val += 'A' - 3;
if (val == 'B' || val == 'C')
val ^= 1;
if ((cs->subtyp == ELSA_PCFPRO) && (val = 'G'))
val = 'C';
printk(KERN_INFO
"Elsa: %s found at 0x%x Rev.:%c IRQ %d\n",
Elsa_Types[cs->subtyp],
cs->hw.elsa.base,
val, cs->irq);
val = bytein(cs->hw.elsa.ale) & ELSA_S0_POWER_BAD;
if (val) {
printk(KERN_WARNING
"Elsa: Microlink S0 bus power bad\n");
cs->hw.elsa.status |= ELSA_BAD_PWR;
}
} else {
printk(KERN_WARNING
"No Elsa Microlink found\n");
return (0);
}
} else if (cs->typ == ISDN_CTYPE_ELSA_PNP) {
cs->hw.elsa.base = card->para[1];
cs->irq = card->para[0];
cs->subtyp = ELSA_QS1000;
cs->hw.elsa.cfg = cs->hw.elsa.base + ELSA_CONFIG;
cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE;
cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC;
cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
cs->hw.elsa.trig = cs->hw.elsa.base + ELSA_TRIG_IRQ;
cs->hw.elsa.timer = cs->hw.elsa.base + ELSA_START_TIMER;
cs->hw.elsa.ctrl = cs->hw.elsa.base + ELSA_CONTROL;
printk(KERN_INFO
"Elsa: %s defined at 0x%x IRQ %d\n",
Elsa_Types[cs->subtyp],
cs->hw.elsa.base,
cs->irq);
} else if (cs->typ == ISDN_CTYPE_ELSA_PCMCIA) {
cs->hw.elsa.base = card->para[1];
cs->irq = card->para[0];
cs->subtyp = ELSA_PCMCIA;
cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE_PCM;
cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC_PCM;
cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
cs->hw.elsa.timer = 0;
cs->hw.elsa.trig = 0;
cs->hw.elsa.ctrl = 0;
printk(KERN_INFO
"Elsa: %s defined at 0x%x IRQ %d\n",
Elsa_Types[cs->subtyp],
cs->hw.elsa.base,
cs->irq);
} else if (cs->typ == ISDN_CTYPE_ELSA_PCI) {
#if CONFIG_PCI
if (!pci_present()) {
printk(KERN_ERR "Elsa: no PCI bus present\n");
return(0);
}
cs->subtyp = 0;
if ((dev_qs1000 = pci_find_device(PCI_VENDOR_ELSA, PCI_QS1000_ID,
dev_qs1000))) {
cs->subtyp = ELSA_QS1000PCI;
cs->irq = dev_qs1000->irq;
cs->hw.elsa.cfg = dev_qs1000->base_address[1] &
PCI_BASE_ADDRESS_IO_MASK;
cs->hw.elsa.base = dev_qs1000->base_address[3] &
PCI_BASE_ADDRESS_IO_MASK;
} else if ((dev_qs3000 = pci_find_device(PCI_VENDOR_ELSA,
PCI_QS3000_ID, dev_qs3000))) {
cs->subtyp = ELSA_QS3000PCI;
cs->irq = dev_qs3000->irq;
cs->hw.elsa.cfg = dev_qs3000->base_address[1] &
PCI_BASE_ADDRESS_IO_MASK;
cs->hw.elsa.base = dev_qs3000->base_address[3] &
PCI_BASE_ADDRESS_IO_MASK;
} else {
printk(KERN_WARNING "Elsa: No PCI card found\n");
return(0);
}
if (!cs->irq) {
printk(KERN_WARNING "Elsa: No IRQ for PCI card found\n");
return(0);
}
if (!(cs->hw.elsa.base && cs->hw.elsa.cfg)) {
printk(KERN_WARNING "Elsa: No IO-Adr for PCI card found\n");
return(0);
}
cs->hw.elsa.ale = cs->hw.elsa.base;
cs->hw.elsa.isac = cs->hw.elsa.base +1;
cs->hw.elsa.hscx = cs->hw.elsa.base +1;
test_and_set_bit(HW_IPAC, &cs->HW_Flags);
cs->hw.elsa.timer = 0;
cs->hw.elsa.trig = 0;
printk(KERN_INFO
"Elsa: %s defined at 0x%x/0x%x IRQ %d\n",
Elsa_Types[cs->subtyp],
cs->hw.elsa.base,
cs->hw.elsa.cfg,
cs->irq);
#else
printk(KERN_WARNING "Elsa: Elsa PCI and NO_PCI_BIOS\n");
printk(KERN_WARNING "Elsa: unable to config Elsa PCI\n");
return (0);
#endif /* CONFIG_PCI */
} else
return (0);
switch (cs->subtyp) {
case ELSA_PC:
case ELSA_PCC8:
case ELSA_PCC16:
case ELSA_QS1000:
case ELSA_PCMCIA:
bytecnt = 8;
break;
case ELSA_PCFPRO:
case ELSA_PCF:
case ELSA_QS3000PCI:
bytecnt = 16;
break;
case ELSA_QS1000PCI:
bytecnt = 2;
break;
default:
printk(KERN_WARNING
"Unknown ELSA subtype %d\n", cs->subtyp);
return (0);
}
/* In case of the elsa pcmcia card, this region is in use,
reserved for us by the card manager. So we do not check it
here, it would fail. */
if (cs->typ != ISDN_CTYPE_ELSA_PCMCIA && check_region(cs->hw.elsa.base, bytecnt)) {
printk(KERN_WARNING
"HiSax: %s config port %x-%x already in use\n",
CardType[card->typ],
cs->hw.elsa.base,
cs->hw.elsa.base + bytecnt);
return (0);
} else {
request_region(cs->hw.elsa.base, bytecnt, "elsa isdn");
}
if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI)) {
if (check_region(cs->hw.elsa.cfg, 0x80)) {
printk(KERN_WARNING
"HiSax: %s pci port %x-%x already in use\n",
CardType[card->typ],
cs->hw.elsa.cfg,
cs->hw.elsa.cfg + 0x80);
release_region(cs->hw.elsa.base, bytecnt);
return (0);
} else {
request_region(cs->hw.elsa.cfg, 0x80, "elsa isdn pci");
}
}
cs->hw.elsa.tl.function = (void *) elsa_led_handler;
cs->hw.elsa.tl.data = (long) cs;
init_timer(&cs->hw.elsa.tl);
/* Teste Timer */
if (cs->hw.elsa.timer) {
byteout(cs->hw.elsa.trig, 0xff);
byteout(cs->hw.elsa.timer, 0);
if (!TimerRun(cs)) {
byteout(cs->hw.elsa.timer, 0); /* 2. Versuch */
if (!TimerRun(cs)) {
printk(KERN_WARNING
"Elsa: timer do not start\n");
release_io_elsa(cs);
return (0);
}
}
save_flags(flags);
sti();
HZDELAY(1); /* wait >=10 ms */
restore_flags(flags);
if (TimerRun(cs)) {
printk(KERN_WARNING "Elsa: timer do not run down\n");
release_io_elsa(cs);
return (0);
}
printk(KERN_INFO "Elsa: timer OK; resetting card\n");
}
reset_elsa(cs);
cs->BC_Read_Reg = &ReadHSCX;
cs->BC_Write_Reg = &WriteHSCX;
cs->BC_Send_Data = &hscx_fill_fifo;
cs->cardmsg = &Elsa_card_msg;
if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI)) {
cs->readisac = &ReadISAC_IPAC;
cs->writeisac = &WriteISAC_IPAC;
cs->readisacfifo = &ReadISACfifo_IPAC;
cs->writeisacfifo = &WriteISACfifo_IPAC;
val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ID);
printk(KERN_INFO "Elsa: IPAC version %x\n", val);
} else {
cs->readisac = &ReadISAC;
cs->writeisac = &WriteISAC;
cs->readisacfifo = &ReadISACfifo;
cs->writeisacfifo = &WriteISACfifo;
ISACVersion(cs, "Elsa:");
if (HscxVersion(cs, "Elsa:")) {
printk(KERN_WARNING
"Elsa: wrong HSCX versions check IO address\n");
release_io_elsa(cs);
return (0);
}
}
if (cs->subtyp == ELSA_PC) {
val = readitac(cs, ITAC_SYS);
printk(KERN_INFO "Elsa: ITAC version %s\n", ITACVer[val & 7]);
writeitac(cs, ITAC_ISEN, 0);
writeitac(cs, ITAC_RFIE, 0);
writeitac(cs, ITAC_XFIE, 0);
writeitac(cs, ITAC_SCIE, 0);
writeitac(cs, ITAC_STIE, 0);
}
return (1);
}
