patch-2.0.36 linux/drivers/isdn/hisax/teles3c.c

• Lines: 197
• Date: Sun Nov 15 10:32:58 1998
• Orig file: v2.0.35/linux/drivers/isdn/hisax/teles3c.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.0.35/linux/drivers/isdn/hisax/teles3c.c linux/drivers/isdn/hisax/teles3c.c
@@ -0,0 +1,196 @@
+/* $Id: teles3c.c,v 1.1.2.3 1998/11/03 00:07:40 keil Exp $
+
+ * teles3c.c     low level stuff for teles 16.3c
+ *
+ * Author     Karsten Keil (keil@isdn4linux.de)
+ *
+ *
+ * $Log: teles3c.c,v $
+ * Revision 1.1.2.3  1998/11/03 00:07:40  keil
+ * certification related changes
+ * fixed logging for smaller stack use
+ *
+ * Revision 1.1.2.2  1998/01/27 22:40:37  keil
+ * fixed IRQ latency, B-channel selection and more
+ *
+ * Revision 1.1.2.1  1998/01/11 22:54:04  keil
+ * Teles 16.3c (HFC 2BDS0) first version
+ *
+ *
+ */
+
+#define __NO_VERSION__
+#include "hisax.h"
+#include "hfc_2bds0.h"
+#include "isdnl1.h"
+
+extern const char *CardType[];
+
+const char *teles163c_revision = "$Revision: 1.1.2.3 $";
+
+static void
+t163c_interrupt(int intno, void *dev_id, struct pt_regs *regs)
+{
+	struct IsdnCardState *cs = dev_id;
+	u_char val, stat;
+
+	if (!cs) {
+		printk(KERN_WARNING "teles3c: Spurious interrupt!\n");
+		return;
+	}
+	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, "teles3c: stat(%02x) s1(%02x)", stat, val);
+		hfc2bds0_interrupt(cs, val);
+	} else {
+		if (cs->debug & L1_DEB_ISAC)
+			debugl1(cs, "teles3c: irq_no_irq stat(%02x)", stat);
+	}
+}
+
+static void
+t163c_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);
+*/
+}
+
+void
+release_io_t163c(struct IsdnCardState *cs)
+{
+	release2bds0(cs);
+	del_timer(&cs->hw.hfcD.timer);
+	if (cs->hw.hfcD.addr)
+		release_region(cs->hw.hfcD.addr, 2);
+}
+
+static void
+reset_t163c(struct IsdnCardState *cs)
+{
+	long flags;
+
+	printk(KERN_INFO "teles3c: resetting card\n");
+	cs->hw.hfcD.cirm = HFCD_RESET | HFCD_MEM8K;
+	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm);	/* Reset On */
+	save_flags(flags);
+	sti();
+	current->state = TASK_INTERRUPTIBLE;
+	current->timeout = jiffies + 3;
+	schedule();
+	cs->hw.hfcD.cirm = HFCD_MEM8K;
+	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm);	/* Reset Off */
+	current->state = TASK_INTERRUPTIBLE;
+	current->timeout = jiffies + 1;
+	schedule();
+	cs->hw.hfcD.cirm |= HFCD_INTB;
+	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm);	/* INT B */
+	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 = 0;
+	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_MST_MODE, HFCD_MASTER); /* HFC Master */
+	cs->hw.hfcD.sctrl = 0;
+	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_SCTRL, cs->hw.hfcD.sctrl);
+	restore_flags(flags);
+}
+
+static int
+t163c_card_msg(struct IsdnCardState *cs, int mt, void *arg)
+{
+	long flags;
+
+	if (cs->debug & L1_DEB_ISAC)
+		debugl1(cs, "teles3c: card_msg %x", mt);
+	switch (mt) {
+		case CARD_RESET:
+			reset_t163c(cs);
+			return(0);
+		case CARD_RELEASE:
+			release_io_t163c(cs);
+			return(0);
+		case CARD_SETIRQ:
+			cs->hw.hfcD.timer.expires = jiffies + 75;
+			add_timer(&cs->hw.hfcD.timer);
+			return(request_irq(cs->irq, &t163c_interrupt,
+					I4L_IRQ_FLAG, "HiSax", cs));
+		case CARD_INIT:
+			init2bds0(cs);
+			save_flags(flags);
+			sti();
+			current->state = TASK_INTERRUPTIBLE;
+			current->timeout = jiffies + (80*HZ)/1000;
+			schedule();
+			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);
+			restore_flags(flags);
+			return(0);
+		case CARD_TEST:
+			return(0);
+	}
+	return(0);
+}
+
+__initfunc(int
+setup_t163c(struct IsdnCard *card))
+{
+	struct IsdnCardState *cs = card->cs;
+	char tmp[64];
+
+	strcpy(tmp, teles163c_revision);
+	printk(KERN_INFO "HiSax: Teles 16.3c driver Rev. %s\n", HiSax_getrev(tmp));
+	if (cs->typ != ISDN_CTYPE_TELES3C)
+		return (0);
+	cs->debug = 0xff;
+	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.bfifosize = 1024 + 512;
+	cs->hw.hfcD.dfifosize = 512;
+	cs->ph_state = 0;
+	cs->hw.hfcD.fifo = 255;
+	if (check_region((cs->hw.hfcD.addr), 2)) {
+		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);
+	} else {
+		request_region(cs->hw.hfcD.addr, 2, "teles3c isdn");
+	}
+	/* 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);
+	printk(KERN_INFO
+	       "teles3c: defined at 0x%x IRQ %d HZ %d\n",
+	       cs->hw.hfcD.addr,
+	       cs->irq, HZ);
+
+	set_cs_func(cs);
+	cs->hw.hfcD.timer.function = (void *) t163c_Timer;
+	cs->hw.hfcD.timer.data = (long) cs;
+	init_timer(&cs->hw.hfcD.timer);
+	reset_t163c(cs);
+	cs->cardmsg = &t163c_card_msg;
+	return (1);
+}