Release 4.14 drivers/isdn/hisax/hfcscard.c

/* $Id: hfcscard.c,v 1.10.2.4 2004/01/14 16:04:48 keil 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"


static const char *hfcs_revision = "$Revision: 1.10.2.4 $";


static irqreturn_t

hfcs_interrupt(int intno, void *dev_id)
{
	struct IsdnCardState *cs = dev_id;
	u_char val, stat;
	u_long flags;

	spin_lock_irqsave(&cs->lock, flags);
	if ((HFCD_ANYINT | HFCD_BUSY_NBUSY) &
	    (stat = cs->BC_Read_Reg(cs, HFCD_DATA, HFCD_STAT))) {
		val = cs->BC_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);
	}
	spin_unlock_irqrestore(&cs->lock, flags);
	return IRQ_HANDLED;
}

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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);
*/
}

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static void

release_io_hfcs(struct IsdnCardState *cs)
{
	release2bds0(cs);
	del_timer(&cs->hw.hfcD.timer);
	if (cs->hw.hfcD.addr)
		release_region(cs->hw.hfcD.addr, 2);
}

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static void

reset_hfcs(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;
	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm);	/* Reset On */
	mdelay(10);
	cs->hw.hfcD.cirm = 0;
	if (cs->typ == ISDN_CTYPE_TELES3C)
		cs->hw.hfcD.cirm |= HFCD_MEM8K;
	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm);	/* Reset Off */
	mdelay(10);
	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;
	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm);
	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CLKDEL, 0x0e);
	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_TEST, HFCD_AUTO_AWAKE); /* S/T Auto awake */
	cs->hw.hfcD.ctmt = HFCD_TIM25 | HFCD_AUTO_TIMER;
	cs->BC_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;
	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_INT_M1, cs->hw.hfcD.int_m1);
	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_INT_M2, cs->hw.hfcD.int_m2);
	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_STATES, HFCD_LOAD_STATE | 2); /* HFC ST 2 */
	udelay(10);
	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_STATES, 2); /* HFC ST 2 */
	cs->hw.hfcD.mst_m = HFCD_MASTER;
	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_MST_MODE, cs->hw.hfcD.mst_m); /* HFC Master */
	cs->hw.hfcD.sctrl = 0;
	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_SCTRL, cs->hw.hfcD.sctrl);
}

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static int

hfcs_card_msg(struct IsdnCardState *cs, int mt, void *arg)
{
	u_long flags;
	int delay;

	if (cs->debug & L1_DEB_ISAC)
		debugl1(cs, "HFCS: card_msg %x", mt);
	switch (mt) {
	case CARD_RESET:
		spin_lock_irqsave(&cs->lock, flags);
		reset_hfcs(cs);
		spin_unlock_irqrestore(&cs->lock, flags);
		return (0);
	case CARD_RELEASE:
		release_io_hfcs(cs);
		return (0);
	case CARD_INIT:
		delay = (75 * HZ) / 100 + 1;
		mod_timer(&cs->hw.hfcD.timer, jiffies + delay);
		spin_lock_irqsave(&cs->lock, flags);
		reset_hfcs(cs);
		init2bds0(cs);
		spin_unlock_irqrestore(&cs->lock, flags);
		delay = (80 * HZ) / 1000 + 1;
		msleep(80);
		spin_lock_irqsave(&cs->lock, flags);
		cs->hw.hfcD.ctmt |= HFCD_TIM800;
		cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt);
		cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_MST_MODE, cs->hw.hfcD.mst_m);
		spin_unlock_irqrestore(&cs->lock, flags);
		return (0);
	case CARD_TEST:
		return (0);
	}
	return (0);
}

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#ifdef __ISAPNP__

static struct isapnp_device_id hfc_ids[] = {
	{ 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 *ipid = &hfc_ids[0];

static struct pnp_card *pnp_c = NULL;
#endif



int setup_hfcs(struct IsdnCard *card)
{
	struct IsdnCardState *cs = card->cs;
	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_dev *pnp_d;
		while (ipid->card_vendor) {
			if ((pnp_c = pnp_find_card(ipid->card_vendor,
						   ipid->card_device, pnp_c))) {
				pnp_d = NULL;
				if ((pnp_d = pnp_find_dev(pnp_c,
							  ipid->vendor, ipid->function, pnp_d))) {
					int err;

					printk(KERN_INFO "HiSax: %s detected\n",
					       (char *)ipid->driver_data);
					pnp_disable_dev(pnp_d);
					err = pnp_activate_dev(pnp_d);
					if (err < 0) {
						printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
						       __func__, err);
						return (0);
					}
					card->para[1] = pnp_port_start(pnp_d, 0);
					card->para[0] = pnp_irq(pnp_d, 0);
					if (!card->para[0] || !card->para[1]) {
						printk(KERN_ERR "HFC PnP:some resources are missing %ld/%lx\n",
						       card->para[0], card->para[1]);
						pnp_disable_dev(pnp_d);
						return (0);
					}
					break;
				} else {
					printk(KERN_ERR "HFC PnP: PnP error card found, no device\n");
				}
			}
			ipid++;
			pnp_c = NULL;
		}
		if (!ipid->card_vendor) {
			printk(KERN_INFO "HFC PnP: no ISAPnP card found\n");
			return (0);
		}
	}
#endif
	cs->hw.hfcD.addr = card->para[1] & 0xfffe;
	cs->irq = card->para[0];
	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;
	} else if (cs->typ == ISDN_CTYPE_ACERP10) {
		cs->hw.hfcD.bfifosize = 7 * 1024 + 512;
	} else
		return (0);
	if (!request_region(cs->hw.hfcD.addr, 2, "HFCS isdn")) {
		printk(KERN_WARNING
		       "HiSax: %s config port %x-%x already in use\n",
		       CardType[card->typ],
		       cs->hw.hfcD.addr,
		       cs->hw.hfcD.addr + 2);
		return (0);
	}
	printk(KERN_INFO
	       "HFCS: defined at 0x%x IRQ %d HZ %d\n",
	       cs->hw.hfcD.addr,
	       cs->irq, HZ);
	if (cs->typ == ISDN_CTYPE_TELES3C) {
		/* 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) {
		/* Acer P10 IO ADR is 0x300 */
		outb(0x00, cs->hw.hfcD.addr);
		outb(0x57, cs->hw.hfcD.addr | 1);
	}
	set_cs_func(cs);
	setup_timer(&cs->hw.hfcD.timer, (void *)hfcs_Timer, (long)cs);
	cs->cardmsg = &hfcs_card_msg;
	cs->irq_func = &hfcs_interrupt;
	return (1);
}
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Directory: drivers/isdn/hisax

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