/* $Id: elsa.c,v 2.26.6.6 2001/09/23 22:24:47 kai Exp $
*
* low level stuff for Elsa 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.
*
* For changes and modifications please read
* ../../../Documentation/isdn/HiSax.cert
*
* Thanks to Elsa GmbH for documents and information
*
* Klaus Lichtenwalder (Klaus.Lichtenwalder@WebForum.DE)
* for ELSA PCMCIA support
*
*/
#include <linux/init.h>
#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>
#include <linux/isapnp.h>
#include <linux/serial.h>
#include <linux/serial_reg.h>
extern const char *CardType[];
static spinlock_t elsa_lock = SPIN_LOCK_UNLOCKED;
const char *Elsa_revision = "$Revision: 2.26.6.6 $";
const char *Elsa_Types[] =
{"None", "PC", "PCC-8", "PCC-16", "PCF", "PCF-Pro",
"PCMCIA", "QS 1000", "QS 3000", "Microlink PCI", "QS 3000 PCI",
"PCMCIA-IPAC" };
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
#define ELSA_PCMCIA_IPAC 11
/* PCI stuff */
#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 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 */
#if ARCOFI_USE
static struct arcofi_msg ARCOFI_XOP_F =
{NULL,0,2,{0xa1,0x3f,0,0,0,0,0,0,0,0}}; /* Normal OP */
static struct arcofi_msg ARCOFI_XOP_1 =
{&ARCOFI_XOP_F,0,2,{0xa1,0x31,0,0,0,0,0,0,0,0}}; /* PWR UP */
static struct arcofi_msg ARCOFI_SOP_F =
{&ARCOFI_XOP_1,0,10,{0xa1,0x1f,0x00,0x50,0x10,0x00,0x00,0x80,0x02,0x12}};
static struct arcofi_msg ARCOFI_COP_9 =
{&ARCOFI_SOP_F,0,10,{0xa1,0x29,0x80,0xcb,0xe9,0x88,0x00,0xc8,0xd8,0x80}}; /* RX */
static struct arcofi_msg ARCOFI_COP_8 =
{&ARCOFI_COP_9,0,10,{0xa1,0x28,0x49,0x31,0x8,0x13,0x6e,0x88,0x2a,0x61}}; /* TX */
static struct arcofi_msg ARCOFI_COP_7 =
{&ARCOFI_COP_8,0,4,{0xa1,0x27,0x80,0x80,0,0,0,0,0,0}}; /* GZ */
static struct arcofi_msg ARCOFI_COP_6 =
{&ARCOFI_COP_7,0,6,{0xa1,0x26,0,0,0x82,0x7c,0,0,0,0}}; /* GRL GRH */
static struct arcofi_msg ARCOFI_COP_5 =
{&ARCOFI_COP_6,0,4,{0xa1,0x25,0xbb,0x4a,0,0,0,0,0,0}}; /* GTX */
static struct arcofi_msg ARCOFI_VERSION =
{NULL,1,2,{0xa0,0,0,0,0,0,0,0,0,0}};
static struct arcofi_msg ARCOFI_XOP_0 =
{NULL,0,2,{0xa1,0x30,0,0,0,0,0,0,0,0}}; /* PWR Down */
static void set_arcofi(struct IsdnCardState *cs, int bc);
#include "elsa_ser.c"
#endif /* ARCOFI_USE */
static inline u8
readreg(struct IsdnCardState *cs, unsigned int adr, u8 off)
{
u8 ret;
unsigned long flags;
spin_lock_irqsave(&elsa_lock, flags);
byteout(cs->hw.elsa.ale, off);
ret = bytein(adr);
spin_unlock_irqrestore(&elsa_lock, flags);
return ret;
}
static inline void
writereg(struct IsdnCardState *cs, unsigned int adr, u8 off, u8 data)
{
unsigned long flags;
spin_lock_irqsave(&elsa_lock, flags);
byteout(cs->hw.elsa.ale, off);
byteout(adr, data);
spin_unlock_irqrestore(&elsa_lock, flags);
}
static inline void
readfifo(struct IsdnCardState *cs, unsigned int adr, u8 off, u8 * data, int size)
{
byteout(cs->hw.elsa.ale, off);
insb(adr, data, size);
}
static inline void
writefifo(struct IsdnCardState *cs, unsigned int adr, u8 off, u8 * data, int size)
{
byteout(cs->hw.elsa.ale, off);
outsb(adr, data, size);
}
static u8
isac_read(struct IsdnCardState *cs, u8 offset)
{
return readreg(cs, cs->hw.elsa.isac, offset);
}
static void
isac_write(struct IsdnCardState *cs, u8 offset, u8 value)
{
writereg(cs, cs->hw.elsa.isac, offset, value);
}
static void
isac_read_fifo(struct IsdnCardState *cs, u8 *data, int size)
{
readfifo(cs, cs->hw.elsa.isac, 0, data, size);
}
static void
isac_write_fifo(struct IsdnCardState *cs, u8 *data, int size)
{
writefifo(cs, cs->hw.elsa.isac, 0, data, size);
}
static struct dc_hw_ops isac_ops = {
.read_reg = isac_read,
.write_reg = isac_write,
.read_fifo = isac_read_fifo,
.write_fifo = isac_write_fifo,
};
static u8
hscx_read(struct IsdnCardState *cs, int hscx, u8 offset)
{
return readreg(cs, cs->hw.elsa.hscx, offset + (hscx ? 0x40 : 0));
}
static void
hscx_write(struct IsdnCardState *cs, int hscx, u8 offset, u8 value)
{
writereg(cs, cs->hw.elsa.hscx, offset + (hscx ? 0x40 : 0), value);
}
static void
hscx_read_fifo(struct IsdnCardState *cs, int hscx, u8 *data, int size)
{
writefifo(cs, cs->hw.elsa.hscx, hscx ? 0x40 : 0, data, size);
}
static void
hscx_write_fifo(struct IsdnCardState *cs, int hscx, u8 *data, int size)
{
writefifo(cs, cs->hw.elsa.hscx, hscx ? 0x40 : 0, data, size);
}
static struct bc_hw_ops hscx_ops = {
.read_reg = hscx_read,
.write_reg = hscx_write,
.read_fifo = hscx_read_fifo,
.write_fifo = hscx_write_fifo,
};
static inline u8
ipac_read(struct IsdnCardState *cs, u8 offset)
{
return readreg(cs, cs->hw.elsa.isac, offset);
}
static inline void
ipac_write(struct IsdnCardState *cs, u8 offset, u8 value)
{
writereg(cs, cs->hw.elsa.isac, offset, value);
}
static inline void
ipac_readfifo(struct IsdnCardState *cs, u8 offset, u8 *data, int size)
{
readfifo(cs, cs->hw.elsa.isac, offset, data, size);
}
static inline void
ipac_writefifo(struct IsdnCardState *cs, u8 offset, u8 *data, int size)
{
writefifo(cs, cs->hw.elsa.isac, offset, data, size);
}
/* This will generate ipac_dc_ops and ipac_bc_ops using the functions
* above */
BUILD_IPAC_OPS(ipac);
static inline u8
readitac(struct IsdnCardState *cs, u8 off)
{
u8 ret;
unsigned long flags;
spin_lock_irqsave(&elsa_lock, flags);
byteout(cs->hw.elsa.ale, off);
ret = bytein(cs->hw.elsa.itac);
spin_unlock_irqrestore(&elsa_lock, flags);
return ret;
}
static inline void
writeitac(struct IsdnCardState *cs, u8 off, u8 data)
{
unsigned long flags;
spin_lock_irqsave(&elsa_lock, flags);
byteout(cs->hw.elsa.ale, off);
byteout(cs->hw.elsa.itac, data);
spin_unlock_irqrestore(&elsa_lock, flags);
}
static inline int
TimerRun(struct IsdnCardState *cs)
{
register u8 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);
}
static irqreturn_t
elsa_interrupt(int intno, void *dev_id, struct pt_regs *regs)
{
struct IsdnCardState *cs = dev_id;
u8 val;
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 IRQ_NONE;
}
#if ARCOFI_USE
if (cs->hw.elsa.MFlag) {
val = serial_inp(cs, UART_IIR);
if (!(val & UART_IIR_NO_INT)) {
debugl1(cs,"IIR %02x", val);
spin_lock(&cs->lock);
rs_interrupt_elsa(intno, cs);
spin_unlock(&cs->lock);
}
}
#endif
hscxisac_irq(intno, dev_id, regs);
if (cs->hw.elsa.status & ELSA_TIMER_AKTIV) {
if (!TimerRun(cs)) {
/* Timer Restart */
byteout(cs->hw.elsa.timer, 0);
cs->hw.elsa.counter++;
}
}
#if ARCOFI_USE
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);
}
#endif
if (cs->hw.elsa.trig)
byteout(cs->hw.elsa.trig, 0x00);
return IRQ_HANDLED;
}
static irqreturn_t
elsa_interrupt_ipac(int intno, void *dev_id, struct pt_regs *regs)
{
struct IsdnCardState *cs = dev_id;
u8 val;
if (!cs) {
printk(KERN_WARNING "Elsa: Spurious interrupt!\n");
return IRQ_NONE;
}
if (cs->subtyp == ELSA_QS1000PCI || cs->subtyp == ELSA_QS3000PCI) {
val = bytein(cs->hw.elsa.cfg + 0x4c); /* PCI IRQ */
if (!test_bit(FLG_BUGGY_PLX9050, &cs->HW_Flags) &&
!(val & ELSA_PCI_IRQ_MASK))
return IRQ_NONE;
}
#if ARCOFI_USE
if (cs->hw.elsa.MFlag) {
val = serial_inp(cs, UART_IIR);
if (!(val & UART_IIR_NO_INT)) {
debugl1(cs,"IIR %02x", val);
spin_lock(&cs->lock);
rs_interrupt_elsa(intno, cs);
spin_unlock(&cs->lock);
}
}
#endif
return ipac_irq(intno, dev_id, regs);
}
static void
elsa_release(struct IsdnCardState *cs)
{
del_timer(&cs->hw.elsa.tl);
#if ARCOFI_USE
clear_arcofi(cs);
#endif
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, cs->hw.elsa.isac, IPAC_ATX, 0xff);
}
if (cs->subtyp == ELSA_QS3000PCI) {
byteout(cs->hw.elsa.cfg + 0x4c, 0x03); /* disable ELSA PCI IRQ */
writereg(cs, cs->hw.elsa.isac, IPAC_ATX, 0xff);
}
if (cs->subtyp == ELSA_PCMCIA_IPAC) {
writereg(cs, cs->hw.elsa.isac, IPAC_ATX, 0xff);
}
#if ARCOFI_USE
if ((cs->subtyp == ELSA_PCFPRO) ||
(cs->subtyp == ELSA_QS3000) ||
(cs->subtyp == ELSA_PCF) ||
(cs->subtyp == ELSA_QS3000PCI)) {
release_modem(cs);
}
#endif
hisax_release_resources(cs);
}
static int
elsa_reset(struct IsdnCardState *cs)
{
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) || (cs->subtyp == ELSA_PCMCIA_IPAC)) {
writereg(cs, cs->hw.elsa.isac, IPAC_POTA2, 0x20);
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout((10*HZ)/1000); /* Timeout 10ms */
writereg(cs, cs->hw.elsa.isac, IPAC_POTA2, 0x00);
set_current_state(TASK_UNINTERRUPTIBLE);
writereg(cs, cs->hw.elsa.isac, IPAC_MASK, 0xc0);
schedule_timeout((10*HZ)/1000); /* Timeout 10ms */
if (cs->subtyp != ELSA_PCMCIA_IPAC) {
writereg(cs, cs->hw.elsa.isac, IPAC_ACFG, 0x0);
writereg(cs, cs->hw.elsa.isac, IPAC_AOE, 0x3c);
} else {
writereg(cs, cs->hw.elsa.isac, IPAC_PCFG, 0x10);
writereg(cs, cs->hw.elsa.isac, IPAC_ACFG, 0x4);
writereg(cs, cs->hw.elsa.isac, IPAC_AOE, 0xf8);
}
writereg(cs, 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 */
}
return 0;
}
#if ARCOFI_USE
static void
set_arcofi(struct IsdnCardState *cs, int bc) {
cs->dc.isac.arcofi_bc = bc;
arcofi_fsm(cs, ARCOFI_START, &ARCOFI_COP_5);
interruptible_sleep_on(&cs->dc.isac.arcofi_wait);
}
static int
check_arcofi(struct IsdnCardState *cs)
{
int arcofi_present = 0;
char tmp[40];
char *t;
u8 *p;
if (!cs->dc.isac.mon_tx)
if (!(cs->dc.isac.mon_tx=kmalloc(MAX_MON_FRAME, GFP_ATOMIC))) {
if (cs->debug & L1_DEB_WARN)
debugl1(cs, "ISAC MON TX out of buffers!");
return(0);
}
cs->dc.isac.arcofi_bc = 0;
arcofi_fsm(cs, ARCOFI_START, &ARCOFI_VERSION);
interruptible_sleep_on(&cs->dc.isac.arcofi_wait);
if (!test_and_clear_bit(FLG_ARCOFI_ERROR, &cs->HW_Flags)) {
debugl1(cs, "Arcofi response received %d bytes", cs->dc.isac.mon_rxp);
p = cs->dc.isac.mon_rx;
t = tmp;
t += sprintf(tmp, "Arcofi data");
QuickHex(t, p, cs->dc.isac.mon_rxp);
debugl1(cs, tmp);
if ((cs->dc.isac.mon_rxp == 2) && (cs->dc.isac.mon_rx[0] == 0xa0)) {
switch(cs->dc.isac.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->dc.isac.mon_rxp = 0;
} else if (cs->dc.isac.mon_tx) {
debugl1(cs, "Arcofi not detected");
}
if (arcofi_present) {
if (cs->subtyp==ELSA_QS1000) {
cs->subtyp = ELSA_QS3000;
printk(KERN_INFO
"Elsa: %s detected modem at 0x%lx\n",
Elsa_Types[cs->subtyp],
cs->hw.elsa.base+8);
request_io(&cs->rs, cs->hw.elsa.base+8, 8, "elsa isdn modem");
} else if (cs->subtyp==ELSA_PCC16) {
cs->subtyp = ELSA_PCF;
printk(KERN_INFO
"Elsa: %s detected modem at 0x%lx\n",
Elsa_Types[cs->subtyp],
cs->hw.elsa.base+8);
request_io(&cs->rs, cs->hw.elsa.base+8, 8, "elsa isdn modem");
} else
printk(KERN_INFO
"Elsa: %s detected modem at 0x%lx\n",
Elsa_Types[cs->subtyp],
cs->hw.elsa.base+8);
arcofi_fsm(cs, ARCOFI_START, &ARCOFI_XOP_0);
interruptible_sleep_on(&cs->dc.isac.arcofi_wait);
return(1);
}
return(0);
}
#endif /* ARCOFI_USE */
static void
elsa_led_handler(struct IsdnCardState *cs)
{
int blink = 0;
if (cs->subtyp == ELSA_PCMCIA || cs->subtyp == ELSA_PCMCIA_IPAC)
return;
if (cs->typ == ISDN_CTYPE_ELSA) {
int pwr = bytein(cs->hw.elsa.ale);
if (pwr & 0x08)
cs->hw.elsa.status |= ELSA_BAD_PWR;
else
cs->hw.elsa.status &= ~ELSA_BAD_PWR;
}
if (cs->status & 0x0001)
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->status & 0xf000)
cs->hw.elsa.ctrl_reg |= ELSA_LINE_LED;
else if (cs->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)) {
u8 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, cs->hw.elsa.isac, IPAC_ATX, led);
} else
byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
if (blink)
mod_timer(&cs->hw.elsa.tl, jiffies + (blink * HZ) / 1000);
}
#if ARCOFI_USE
static void
elsa_aux_ind(struct IsdnCardState *cs, void *arg)
{
if (cs->hw.elsa.MFlag) {
int len;
u8 *msg;
if (!arg)
return;
msg = arg;
len = *msg;
msg++;
modem_write_cmd(cs, msg, len);
}
}
#else
#define elsa_aux_ind NULL
#endif
static void
elsa_init(struct IsdnCardState *cs)
{
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);
}
static void
elsa_ipac_init(struct IsdnCardState *cs)
{
if (cs->hw.elsa.trig)
byteout(cs->hw.elsa.trig, 0xff);
ipac_init(cs);
}
static void
elsa_test(struct IsdnCardState *cs)
{
if ((cs->subtyp == ELSA_PCMCIA) ||
(cs->subtyp == ELSA_PCMCIA_IPAC) ||
(cs->subtyp == ELSA_QS1000PCI)) {
return;
}
if (cs->subtyp != ELSA_QS3000PCI) {
cs->hw.elsa.counter = 0;
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);
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout((110*HZ)/1000);
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 ((cs->hw.elsa.counter > 10) &&
(cs->hw.elsa.counter < 16)) {
printk(KERN_INFO "Elsa: timer and irq OK\n");
} else {
printk(KERN_WARNING
"Elsa: timer tic problem (%d/12) maybe an IRQ(%d) conflict\n",
cs->hw.elsa.counter, cs->irq);
}
}
#if ARCOFI_USE
if (check_arcofi(cs)) {
init_modem(cs);
}
#endif
elsa_led_handler(cs);
}
static struct card_ops elsa_ops = {
.init = elsa_init,
.test = elsa_test,
.reset = elsa_reset,
.release = elsa_release,
.aux_ind = elsa_aux_ind,
.led_handler = elsa_led_handler,
.irq_func = elsa_interrupt,
};
static struct card_ops elsa_ipac_ops = {
.init = elsa_ipac_init,
.test = elsa_test,
.reset = elsa_reset,
.release = elsa_release,
.aux_ind = elsa_aux_ind,
.led_handler = elsa_led_handler,
.irq_func = elsa_interrupt_ipac,
};
static void __init
elsa_arcofi_init(struct IsdnCardState *cs)
{
#if ARCOFI_USE
init_arcofi(cs);
#endif
}
static void __init
elsa_timer_init(struct IsdnCardState *cs)
{
cs->hw.elsa.tl.function = (void *) elsa_led_handler;
cs->hw.elsa.tl.data = (long) cs;
init_timer(&cs->hw.elsa.tl);
}
static int __init
elsa_timer_test(struct IsdnCardState *cs)
{
/* test timer */
byteout(cs->hw.elsa.trig, 0xff);
byteout(cs->hw.elsa.timer, 0);
if (!TimerRun(cs)) {
byteout(cs->hw.elsa.timer, 0); /* second attempt */
if (!TimerRun(cs)) {
printk(KERN_WARNING "Elsa: timer does not start\n");
goto err;
}
}
HZDELAY(10 * HZ / 1000); /* wait >=10 ms */
if (TimerRun(cs)) {
printk(KERN_WARNING "Elsa: timer does not run\n");
goto err;
}
printk(KERN_INFO "Elsa: timer OK; resetting card\n");
return 0;
err:
return -EBUSY;
}
static unsigned char __init
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;
/* 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 && !request_region(adr, 8, "elsa")) {
printk(KERN_WARNING "Elsa: probing port 0x%x: in use\n", adr);
return 0;
}
for (i = 0; i < 16; i++) {
in1 = inb(adr + ELSA_CONFIG); /* 'toggels' at */
in2 = inb(adr + ELSA_CONFIG); /* each access */
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;
}
release_region(adr, 8);
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 int __init
elsa_probe(struct IsdnCardState *cs, struct IsdnCard *card)
{
u8 val;
int i, bytecnt = 8;
unsigned int CARD_portlist[] = {0x160, 0x170, 0x260, 0x360, 0};
cs->hw.elsa.base = card->para[0];
printk(KERN_INFO "Elsa: Microlink IO probing\n");
if (cs->hw.elsa.base) {
cs->subtyp = probe_elsa_adr(cs->hw.elsa.base, cs->typ);
if (!cs->subtyp) {
printk(KERN_WARNING "Elsa: no Microlink at %#lx\n",
cs->hw.elsa.base);
goto err;
}
} else {
for (i = 0; CARD_portlist[i]; i++) {
cs->subtyp = probe_elsa_adr(CARD_portlist[i], cs->typ);
if (cs->subtyp)
cs->hw.elsa.base = CARD_portlist[i];
break;
}
}
if (!cs->hw.elsa.base)
goto err;
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 u8 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 u8 CARD_IrqTab[8] = {7, 3, 5, 9, 0, 0, 0, 0};
cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX_PCC8) >> 4];
} else {
const u8 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 %#lx 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;
}
switch (cs->subtyp) {
case ELSA_PCFPRO: bytecnt = 16; break;
}
if (!request_io(&cs->rs, cs->hw.elsa.base, bytecnt, "elsa isdn"))
goto err;
elsa_arcofi_init(cs);
elsa_timer_init(cs);
if (elsa_timer_test(cs))
goto err;
elsa_reset(cs);
cs->card_ops = &elsa_ops;
if (hscxisac_setup(cs, &isac_ops, &hscx_ops))
goto err;
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 0;
err:
elsa_release(cs);
return -EBUSY;
}
static int __init
elsa_qs_probe(struct IsdnCardState *cs, struct IsdnCard *card)
{
int bytecnt = 8;
cs->irq = card->para[0];
cs->hw.elsa.base = card->para[1];
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 %#lx IRQ %d\n",
Elsa_Types[cs->subtyp], cs->hw.elsa.base, cs->irq);
switch (cs->subtyp) {
case ELSA_QS3000: bytecnt = 16; break;
}
if (!request_io(&cs->rs, cs->hw.elsa.base, bytecnt, "elsa isdn"))
goto err;
elsa_arcofi_init(cs);
elsa_timer_init(cs);
if (elsa_timer_test(cs))
goto err;
elsa_reset(cs);
cs->card_ops = &elsa_ops;
if (hscxisac_setup(cs, &isac_ops, &hscx_ops))
goto err;
return 0;
err:
elsa_release(cs);
return -EBUSY;
}
static int __init
elsa_qs1000_probe(struct IsdnCardState *cs, struct IsdnCard *card)
{
cs->subtyp = ELSA_QS1000;
return elsa_qs_probe(cs, card);
}
static int __init
elsa_qs3000_probe(struct IsdnCardState *cs, struct IsdnCard *card)
{
cs->subtyp = ELSA_QS3000;
return elsa_qs_probe(cs, card);
}
static int __init
elsa_pcmcia_probe(struct IsdnCardState *cs, struct IsdnCard *card)
{
u8 val;
cs->irq = card->para[0];
cs->hw.elsa.base = card->para[1];
cs->hw.elsa.ale = cs->hw.elsa.base + 0;
val = readreg(cs, cs->hw.elsa.base + 2, IPAC_ID);
if ((val == 1) || (val == 2)) { /* IPAC version 1.1/1.2 */
cs->subtyp = ELSA_PCMCIA_IPAC;
cs->hw.elsa.isac = cs->hw.elsa.base + 2;
} else {
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 %#lx IRQ %d\n",
Elsa_Types[cs->subtyp], cs->hw.elsa.base, cs->irq);
elsa_arcofi_init(cs);
elsa_reset(cs);
if (cs->subtyp == ELSA_PCMCIA_IPAC) {
cs->card_ops = &elsa_ipac_ops;
if (ipac_setup(cs, &ipac_dc_ops, &ipac_bc_ops))
goto err;
} else {
cs->card_ops = &elsa_ops;
if (hscxisac_setup(cs, &isac_ops, &hscx_ops))
goto err;
}
return 0;
err:
elsa_release(cs);
return -EBUSY;
}
static int __init
elsa_qs_pci_probe(struct IsdnCardState *cs, struct pci_dev *pdev,
int subtyp)
{
int bytecnt = 2;
u8 pci_rev;
if (pci_enable_device(pdev))
goto err;
cs->subtyp = subtyp;
cs->irq = pdev->irq;
cs->irq_flags |= SA_SHIRQ;
cs->hw.elsa.cfg = pci_resource_start(pdev, 1);
cs->hw.elsa.base = pci_resource_start(pdev, 3);
pci_read_config_byte(pdev, PCI_REVISION_ID, &pci_rev);
if (cs->hw.elsa.cfg & 0x80 && pci_rev == 1) {
printk(KERN_INFO "Elsa: PLX9050 rev1 workaround activated\n");
__set_bit(FLG_BUGGY_PLX9050, &cs->HW_Flags);
}
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;
printk(KERN_INFO "Elsa: %s defined at %#lx/%#x IRQ %d\n",
Elsa_Types[cs->subtyp], cs->hw.elsa.base, cs->hw.elsa.cfg,
cs->irq);
switch (cs->subtyp) {
case ELSA_QS3000PCI: bytecnt = 16; break;
}
if (!request_io(&cs->rs, cs->hw.elsa.base, bytecnt, "elsa isdn"))
goto err;
if (!request_io(&cs->rs, cs->hw.elsa.cfg, 0x80, "elsa isdn pci"))
goto err;
elsa_arcofi_init(cs);
elsa_timer_init(cs);
elsa_reset(cs);
cs->card_ops = &elsa_ipac_ops;
if (ipac_setup(cs, &ipac_dc_ops, &ipac_bc_ops))
goto err;
return 0;
err:
elsa_release(cs);
return -EBUSY;
}
static struct pci_dev *dev_qs1000 __devinitdata = NULL;
static struct pci_dev *dev_qs3000 __devinitdata = NULL;
#ifdef __ISAPNP__
static struct isapnp_device_id elsa_ids[] __initdata = {
{ ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0133),
ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0133),
(unsigned long) "Elsa QS1000" },
{ ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0134),
ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0134),
(unsigned long) "Elsa QS3000" },
{ 0, }
};
static struct isapnp_device_id *pdev = &elsa_ids[0];
static struct pnp_card *pnp_c __devinitdata = NULL;
#endif
int __devinit
setup_elsa(struct IsdnCard *card)
{
char tmp[64];
strcpy(tmp, Elsa_revision);
printk(KERN_INFO "HiSax: Elsa driver Rev. %s\n", HiSax_getrev(tmp));
if (card->typ == ISDN_CTYPE_ELSA) {
if (elsa_probe(card->cs, card))
return 0;
return 1;
} else if (card->typ == ISDN_CTYPE_ELSA_PNP) {
#ifdef __ISAPNP__
if (!card->para[1] && isapnp_present()) {
struct pnp_card *pb;
struct pnp_dev *pd;
while(pdev->card_vendor) {
if ((pb = pnp_find_card(pdev->card_vendor,
pdev->card_device,
pnp_c))) {
pnp_c = pb;
pd = NULL;
if ((pd = pnp_find_dev(pnp_c,
pdev->vendor,
pdev->function,
pd))) {
printk(KERN_INFO "HiSax: %s detected\n",
(char *)pdev->driver_data);
if (pnp_device_attach(pd) < 0) {
printk(KERN_ERR "Elsa PnP: attach failed\n");
return 0;
}
if (pnp_activate_dev(pd) < 0) {
pnp_device_detach(pd);
printk(KERN_ERR "Elsa PnP: activate failed\n");
return 0;
}
if (!pnp_port_valid(pd, 0) ||
!pnp_irq_valid(pd, 0)) {
printk(KERN_ERR "Elsa PnP:some resources are missing %ld/%lx\n",
pnp_irq(pd, 0), pnp_port_start(pd, 0));
pnp_device_detach(pd);
return(0);
}
card->para[1] = pnp_port_start(pd, 0);
card->para[0] = pnp_irq(pd, 0);
if (pdev->function == ISAPNP_FUNCTION(0x133)) {
if (elsa_qs1000_probe(card->cs, card))
return 0;
return 1;
} else {
if (elsa_qs3000_probe(card->cs, card))
return 0;
return 1;
}
break;
} else {
printk(KERN_ERR "Elsa PnP: PnP error card found, no device\n");
return(0);
}
}
pdev++;
pnp_c=NULL;
}
if (!pdev->card_vendor) {
printk(KERN_INFO "Elsa PnP: no ISAPnP card found\n");
return(0);
}
}
#endif
if (elsa_qs1000_probe(card->cs, card))
return 0;
return 1;
} else if (card->typ == ISDN_CTYPE_ELSA_PCMCIA) {
if (elsa_pcmcia_probe(card->cs, card))
return 0;
return 1;
} else if (card->typ == ISDN_CTYPE_ELSA_PCI) {
#ifdef CONFIG_PCI
if ((dev_qs1000 = pci_find_device(PCI_VENDOR_ID_ELSA,
PCI_DEVICE_ID_ELSA_MICROLINK, dev_qs1000))) {
if (elsa_qs_pci_probe(card->cs, dev_qs1000,
ELSA_QS1000PCI))
return 0;
return 1;
} else if ((dev_qs3000 = pci_find_device(PCI_VENDOR_ID_ELSA,
PCI_DEVICE_ID_ELSA_QS3000, dev_qs3000))) {
if (elsa_qs_pci_probe(card->cs, dev_qs3000,
ELSA_QS3000PCI))
return 0;
return 1;
} else {
printk(KERN_WARNING "Elsa: No PCI card found\n");
return 0;
}
#endif /* CONFIG_PCI */
}
return 0;
}
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