/* $Id: hfcscard.c,v 1.8.6.2 2001/09/23 22:24:48 kai Exp $
*
* low level stuff for hfcs based cards (Teles3c, ACER P10)
*
* 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 <linux/isapnp.h>
#include "hisax.h"
#include "hfc_2bds0.h"
#include "isdnl1.h"
extern const char *CardType[];
static const char *hfcs_revision = "$Revision: 1.8.6.2 $";
static inline u8
hfcs_read_reg(struct IsdnCardState *cs, int data, u8 reg)
{
return cs->bc_hw_ops->read_reg(cs, data, reg);
}
static inline void
hfcs_write_reg(struct IsdnCardState *cs, int data, u8 reg, u8 val)
{
cs->bc_hw_ops->write_reg(cs, data, reg, val);
}
static irqreturn_t
hfcs_interrupt(int intno, void *dev_id, struct pt_regs *regs)
{
struct IsdnCardState *cs = dev_id;
u8 val, stat;
if (!cs) {
printk(KERN_WARNING "HFCS: Spurious interrupt!\n");
return IRQ_NONE;
}
if ((HFCD_ANYINT | HFCD_BUSY_NBUSY) &
(stat = hfcs_read_reg(cs, HFCD_DATA, HFCD_STAT))) {
val = hfcs_read_reg(cs, HFCD_DATA, HFCD_INT_S1);
if (cs->debug & L1_DEB_ISAC)
debugl1(cs, "HFCS: stat(%02x) s1(%02x)", stat, val);
hfc2bds0_interrupt(cs, val);
} else {
if (cs->debug & L1_DEB_ISAC)
debugl1(cs, "HFCS: irq_no_irq stat(%02x)", stat);
}
return IRQ_HANDLED;
}
static void
hfcs_Timer(struct IsdnCardState *cs)
{
cs->hw.hfcD.timer.expires = jiffies + 75;
/* WD RESET */
/* WriteReg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt | 0x80);
add_timer(&cs->hw.hfcD.timer);
*/
}
static void
hfcs_release(struct IsdnCardState *cs)
{
release2bds0(cs);
del_timer(&cs->hw.hfcD.timer);
hisax_release_resources(cs);
}
static int
hfcs_reset(struct IsdnCardState *cs)
{
printk(KERN_INFO "HFCS: resetting card\n");
cs->hw.hfcD.cirm = HFCD_RESET;
if (cs->typ == ISDN_CTYPE_TELES3C)
cs->hw.hfcD.cirm |= HFCD_MEM8K;
hfcs_write_reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm); /* Reset On */
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout((30*HZ)/1000);
cs->hw.hfcD.cirm = 0;
if (cs->typ == ISDN_CTYPE_TELES3C)
cs->hw.hfcD.cirm |= HFCD_MEM8K;
hfcs_write_reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm); /* Reset Off */
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout((10*HZ)/1000);
if (cs->typ == ISDN_CTYPE_TELES3C)
cs->hw.hfcD.cirm |= HFCD_INTB;
else if (cs->typ == ISDN_CTYPE_ACERP10)
cs->hw.hfcD.cirm |= HFCD_INTA;
hfcs_write_reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm);
hfcs_write_reg(cs, HFCD_DATA, HFCD_CLKDEL, 0x0e);
hfcs_write_reg(cs, HFCD_DATA, HFCD_TEST, HFCD_AUTO_AWAKE); /* S/T Auto awake */
cs->hw.hfcD.ctmt = HFCD_TIM25 | HFCD_AUTO_TIMER;
hfcs_write_reg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt);
cs->hw.hfcD.int_m2 = HFCD_IRQ_ENABLE;
cs->hw.hfcD.int_m1 = HFCD_INTS_B1TRANS | HFCD_INTS_B2TRANS |
HFCD_INTS_DTRANS | HFCD_INTS_B1REC | HFCD_INTS_B2REC |
HFCD_INTS_DREC | HFCD_INTS_L1STATE;
hfcs_write_reg(cs, HFCD_DATA, HFCD_INT_M1, cs->hw.hfcD.int_m1);
hfcs_write_reg(cs, HFCD_DATA, HFCD_INT_M2, cs->hw.hfcD.int_m2);
hfcs_write_reg(cs, HFCD_DATA, HFCD_STATES, HFCD_LOAD_STATE | 2); /* HFC ST 2 */
udelay(10);
hfcs_write_reg(cs, HFCD_DATA, HFCD_STATES, 2); /* HFC ST 2 */
cs->hw.hfcD.mst_m = HFCD_MASTER;
hfcs_write_reg(cs, HFCD_DATA, HFCD_MST_MODE, cs->hw.hfcD.mst_m); /* HFC Master */
cs->hw.hfcD.sctrl = 0;
hfcs_write_reg(cs, HFCD_DATA, HFCD_SCTRL, cs->hw.hfcD.sctrl);
return 0;
}
static void
hfcs_init(struct IsdnCardState *cs)
{
cs->hw.hfcD.timer.expires = jiffies + 75;
add_timer(&cs->hw.hfcD.timer);
init2bds0(cs);
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout((80*HZ)/1000);
cs->hw.hfcD.ctmt |= HFCD_TIM800;
hfcs_write_reg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt);
hfcs_write_reg(cs, HFCD_DATA, HFCD_MST_MODE, cs->hw.hfcD.mst_m);
}
static struct card_ops hfcs_ops = {
.init = hfcs_init,
.reset = hfcs_reset,
.release = hfcs_release,
.irq_func = hfcs_interrupt,
};
static int __init
hfcs_probe(struct IsdnCardState *cs, struct IsdnCard *card)
{
cs->irq = card->para[0];
cs->hw.hfcD.addr = card->para[1];
if (!request_io(&cs->rs, cs->hw.hfcD.addr, 2, "HFCS isdn"))
goto err;
printk(KERN_INFO "HFCS: defined at 0x%x IRQ %d\n",
cs->hw.hfcD.addr, cs->irq);
cs->hw.hfcD.cip = 0;
cs->hw.hfcD.int_s1 = 0;
cs->hw.hfcD.send = NULL;
cs->bcs[0].hw.hfc.send = NULL;
cs->bcs[1].hw.hfc.send = NULL;
cs->hw.hfcD.dfifosize = 512;
cs->dc.hfcd.ph_state = 0;
cs->hw.hfcD.fifo = 255;
if (cs->typ == ISDN_CTYPE_TELES3C) {
cs->hw.hfcD.bfifosize = 1024 + 512;
/* Teles 16.3c IO ADR is 0x200 | YY0U (YY Bit 15/14 address) */
outb(0x00, cs->hw.hfcD.addr);
outb(0x56, cs->hw.hfcD.addr | 1);
} else if (cs->typ == ISDN_CTYPE_ACERP10) {
cs->hw.hfcD.bfifosize = 7*1024 + 512;
/* Acer P10 IO ADR is 0x300 */
outb(0x00, cs->hw.hfcD.addr);
outb(0x57, cs->hw.hfcD.addr | 1);
}
set_cs_func(cs);
init_timer(&cs->hw.hfcD.timer);
cs->hw.hfcD.timer.function = (void *) hfcs_Timer;
cs->hw.hfcD.timer.data = (long) cs;
hfcs_reset(cs);
cs->card_ops = &hfcs_ops;
return 0;
err:
hisax_release_resources(cs);
return -EBUSY;
}
#ifdef __ISAPNP__
static struct isapnp_device_id hfc_ids[] __initdata = {
{ ISAPNP_VENDOR('A', 'N', 'X'), ISAPNP_FUNCTION(0x1114),
ISAPNP_VENDOR('A', 'N', 'X'), ISAPNP_FUNCTION(0x1114),
(unsigned long) "Acer P10" },
{ ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0002),
ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0002),
(unsigned long) "Billion 2" },
{ ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0001),
ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0001),
(unsigned long) "Billion 1" },
{ ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x7410),
ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x7410),
(unsigned long) "IStar PnP" },
{ ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x2610),
ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x2610),
(unsigned long) "Teles 16.3c" },
{ ISAPNP_VENDOR('S', 'F', 'M'), ISAPNP_FUNCTION(0x0001),
ISAPNP_VENDOR('S', 'F', 'M'), ISAPNP_FUNCTION(0x0001),
(unsigned long) "Tornado Tipa C" },
{ ISAPNP_VENDOR('K', 'Y', 'E'), ISAPNP_FUNCTION(0x0001),
ISAPNP_VENDOR('K', 'Y', 'E'), ISAPNP_FUNCTION(0x0001),
(unsigned long) "Genius Speed Surfer" },
{ 0, }
};
static struct isapnp_device_id *hdev = &hfc_ids[0];
static struct pnp_card *pnp_c __devinitdata = NULL;
#endif
int __init
setup_hfcs(struct IsdnCard *card)
{
char tmp[64];
strcpy(tmp, hfcs_revision);
printk(KERN_INFO "HiSax: HFC-S driver Rev. %s\n", HiSax_getrev(tmp));
#ifdef __ISAPNP__
if (!card->para[1] && isapnp_present()) {
struct pnp_card *pb;
struct pnp_dev *pd;
while(hdev->card_vendor) {
if ((pb = pnp_find_card(hdev->card_vendor,
hdev->card_device,
pnp_c))) {
pnp_c = pb;
pd = NULL;
if ((pd = pnp_find_dev(pnp_c,
hdev->vendor,
hdev->function,
pd))) {
printk(KERN_INFO "HiSax: %s detected\n",
(char *)hdev->driver_data);
if (pnp_device_attach(pd) < 0) {
printk(KERN_ERR "HFC PnP: attach failed\n");
return 0;
}
if (pnp_activate_dev(pd) < 0) {
printk(KERN_ERR "HFC PnP: activate failed\n");
pnp_device_detach(pd);
return 0;
}
if (!pnp_irq_valid(pd, 0) || !pnp_port_valid(pd, 0)) {
printk(KERN_ERR "HFC 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);
break;
} else {
printk(KERN_ERR "HFC PnP: PnP error card found, no device\n");
}
}
hdev++;
pnp_c=NULL;
}
if (!hdev->card_vendor) {
printk(KERN_INFO "HFC PnP: no ISAPnP card found\n");
return(0);
}
}
#endif
if (hfcs_probe(card->cs, card) < 0)
return 0;
return 1;
}