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drivers/isdn/hisax/hfcscard.c 8 KB
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1da177e4c   Linus Torvalds   Linux-2.6.12-rc2 
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  /* $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"
  
  extern const char *CardType[];
  
  static const char *hfcs_revision = "$Revision: 1.10.2.4 $";
  
  static irqreturn_t
  hfcs_interrupt(int intno, void *dev_id, struct pt_regs *regs)
  {
  	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;
  }
  
  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);
  */
  }
672c3fd90   Adrian Bunk   [PATCH] drivers/i... 
54
 
  static void
1da177e4c   Linus Torvalds   Linux-2.6.12-rc2 
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  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);
  }
  
  static void
  reset_hfcs(struct IsdnCardState *cs)
  {
  	printk(KERN_INFO "HFCS: resetting card
  ");
  	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);
  }
  
  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;
  			cs->hw.hfcD.timer.expires = jiffies + delay;
  			add_timer(&cs->hw.hfcD.timer);
  			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);
  }
  
  #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 *ipid __initdata = &hfc_ids[0];
  static struct pnp_card *pnp_c __devinitdata = NULL;
  #endif
  
  int __init
  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
  ", 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
  ",
  						(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)
  ",
  							__FUNCTION__, 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
  ",
  							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
  ");
  				}
  			}
  			ipid++;
  			pnp_c = NULL;
  		} 
  		if (!ipid->card_vendor) {
  			printk(KERN_INFO "HFC PnP: no ISAPnP card found
  ");
  			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
  ",
  		       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
  ",
  	       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);
  	cs->hw.hfcD.timer.function = (void *) hfcs_Timer;
  	cs->hw.hfcD.timer.data = (long) cs;
  	init_timer(&cs->hw.hfcD.timer);
  	cs->cardmsg = &hfcs_card_msg;
  	cs->irq_func = &hfcs_interrupt;
  	return (1);
  }