hfcscard.c
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上传日期:2013-04-10
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- /* $Id: hfcscard.c,v 1.1.4.1 2001/11/20 14:19:35 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.
- *
- */
- #define __NO_VERSION__
- #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: 1.1.4.1 $";
- static void
- hfcs_interrupt(int intno, void *dev_id, struct pt_regs *regs)
- {
- struct IsdnCardState *cs = dev_id;
- u_char val, stat;
- if (!cs) {
- printk(KERN_WARNING "HFCS: 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, "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);
- }
- }
- 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);
- */
- }
- 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);
- }
- static void
- reset_hfcs(struct IsdnCardState *cs)
- {
- long flags;
- printk(KERN_INFO "HFCS: resetting cardn");
- 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 */
- save_flags(flags);
- sti();
- 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;
- cs->BC_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;
- 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);
- restore_flags(flags);
- }
- static int
- hfcs_card_msg(struct IsdnCardState *cs, int mt, void *arg)
- {
- long flags;
- if (cs->debug & L1_DEB_ISAC)
- debugl1(cs, "HFCS: card_msg %x", mt);
- switch (mt) {
- case CARD_RESET:
- reset_hfcs(cs);
- return(0);
- case CARD_RELEASE:
- release_io_hfcs(cs);
- return(0);
- case CARD_INIT:
- cs->hw.hfcD.timer.expires = jiffies + 75;
- add_timer(&cs->hw.hfcD.timer);
- init2bds0(cs);
- save_flags(flags);
- sti();
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout((80*HZ)/1000);
- 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);
- }
- #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 pci_bus *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. %sn", HiSax_getrev(tmp));
- #ifdef __ISAPNP__
- if (!card->para[1] && isapnp_present()) {
- struct pci_bus *pb;
- struct pci_dev *pd;
- while(hdev->card_vendor) {
- if ((pb = isapnp_find_card(hdev->card_vendor,
- hdev->card_device, pnp_c))) {
- pnp_c = pb;
- pd = NULL;
- if ((pd = isapnp_find_dev(pnp_c,
- hdev->vendor, hdev->function, pd))) {
- printk(KERN_INFO "HiSax: %s detectedn",
- (char *)hdev->driver_data);
- pd->prepare(pd);
- pd->deactivate(pd);
- pd->activate(pd);
- card->para[1] = pd->resource[0].start;
- card->para[0] = pd->irq_resource[0].start;
- if (!card->para[0] || !card->para[1]) {
- printk(KERN_ERR "HFC PnP:some resources are missing %ld/%lxn",
- card->para[0], card->para[1]);
- pd->deactivate(pd);
- return(0);
- }
- break;
- } else {
- printk(KERN_ERR "HFC PnP: PnP error card found, no devicen");
- }
- }
- hdev++;
- pnp_c=NULL;
- }
- if (!hdev->card_vendor) {
- printk(KERN_INFO "HFC PnP: no ISAPnP card foundn");
- 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 (check_region((cs->hw.hfcD.addr), 2)) {
- printk(KERN_WARNING
- "HiSax: %s config port %x-%x already in usen",
- CardType[card->typ],
- cs->hw.hfcD.addr,
- cs->hw.hfcD.addr + 2);
- return (0);
- } else {
- request_region(cs->hw.hfcD.addr, 2, "HFCS isdn");
- }
- printk(KERN_INFO
- "HFCS: defined at 0x%x IRQ %d HZ %dn",
- 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);
- reset_hfcs(cs);
- cs->cardmsg = &hfcs_card_msg;
- cs->irq_func = &hfcs_interrupt;
- return (1);
- }