path: root/drivers/isdn/hisax/w6692.c

/* $Id: w6692.c,v 1.18.2.4 2004/02/11 13:21:34 keil Exp $
 *
 * Winbond W6692 specific routines
 *
 * Author       Petr Novak
 * Copyright    by Petr Novak        <petr.novak@i.cz>
 * 
 * This software may be used and distributed according to the terms
 * of the GNU General Public License, incorporated herein by reference.
 *
 */

#include <linux/config.h>
#include <linux/init.h>
#include "hisax.h"
#include "w6692.h"
#include "isdnl1.h"
#include <linux/interrupt.h>
#include <linux/pci.h>

/* table entry in the PCI devices list */
typedef struct {
	int vendor_id;
	int device_id;
	char *vendor_name;
	char *card_name;
} PCI_ENTRY;

static const PCI_ENTRY id_list[] =
{
	{PCI_VENDOR_ID_WINBOND2, PCI_DEVICE_ID_WINBOND2_6692, "Winbond", "W6692"},
	{PCI_VENDOR_ID_DYNALINK, PCI_DEVICE_ID_DYNALINK_IS64PH, "Dynalink/AsusCom", "IS64PH"},
	{0, 0, "U.S.Robotics", "ISDN PCI Card TA"}
};

#define W6692_SV_USR   0x16ec
#define W6692_SD_USR   0x3409
#define W6692_WINBOND  0
#define W6692_DYNALINK 1
#define W6692_USR      2

extern const char *CardType[];

static const char *w6692_revision = "$Revision: 1.18.2.4 $";

#define DBUSY_TIMER_VALUE 80

static char *W6692Ver[] __initdata =
{"W6692 V00", "W6692 V01", "W6692 V10",
 "W6692 V11"};

static void __init
W6692Version(struct IsdnCardState *cs, char *s)
{
	int val;

	val = cs->readW6692(cs, W_D_RBCH);
	printk(KERN_INFO "%s Winbond W6692 version (%x): %s\n", s, val, W6692Ver[(val >> 6) & 3]);
}

static void
ph_command(struct IsdnCardState *cs, unsigned int command)
{
	if (cs->debug & L1_DEB_ISAC)
		debugl1(cs, "ph_command %x", command);
	cs->writeisac(cs, W_CIX, command);
}


static void
W6692_new_ph(struct IsdnCardState *cs)
{
	switch (cs->dc.w6692.ph_state) {
		case (W_L1CMD_RST):
			ph_command(cs, W_L1CMD_DRC);
			l1_msg(cs, HW_RESET | INDICATION, NULL);
			/* fallthru */
		case (W_L1IND_CD):
			l1_msg(cs, HW_DEACTIVATE | CONFIRM, NULL);
			break;
		case (W_L1IND_DRD):
			l1_msg(cs, HW_DEACTIVATE | INDICATION, NULL);
			break;
		case (W_L1IND_CE):
			l1_msg(cs, HW_POWERUP | CONFIRM, NULL);
			break;
		case (W_L1IND_LD):
			l1_msg(cs, HW_RSYNC | INDICATION, NULL);
			break;
		case (W_L1IND_ARD):
			l1_msg(cs, HW_INFO2 | INDICATION, NULL);
			break;
		case (W_L1IND_AI8):
			l1_msg(cs, HW_INFO4_P8 | INDICATION, NULL);
			break;
		case (W_L1IND_AI10):
			l1_msg(cs, HW_INFO4_P10 | INDICATION, NULL);
			break;
		default:
			break;
	}
}

static void
W6692_bh(struct IsdnCardState *cs)
{
	struct PStack *stptr;

	if (!cs)
		return;
	if (test_and_clear_bit(D_CLEARBUSY, &cs->event)) {
		if (cs->debug)
			debugl1(cs, "D-Channel Busy cleared");
		stptr = cs->stlist;
		while (stptr != NULL) {
			stptr->l1.l1l2(stptr, PH_PAUSE | CONFIRM, NULL);
			stptr = stptr->next;
		}
	}
	if (test_and_clear_bit(D_L1STATECHANGE, &cs->event))
		W6692_new_ph(cs);
	if (test_and_clear_bit(D_RCVBUFREADY, &cs->event))
		DChannel_proc_rcv(cs);
	if (test_and_clear_bit(D_XMTBUFREADY, &cs->event))
		DChannel_proc_xmt(cs);
/*
   if (test_and_clear_bit(D_RX_MON1, &cs->event))
   arcofi_fsm(cs, ARCOFI_RX_END, NULL);
   if (test_and_clear_bit(D_TX_MON1, &cs-