diff options
Diffstat (limited to 'drivers/isdn/hisax/asuscom.c')
| -rw-r--r-- | drivers/isdn/hisax/asuscom.c | 427 |
1 files changed, 427 insertions, 0 deletions
diff --git a/drivers/isdn/hisax/asuscom.c b/drivers/isdn/hisax/asuscom.c new file mode 100644 index 00000000000..7546e2e4a94 --- /dev/null +++ b/drivers/isdn/hisax/asuscom.c @@ -0,0 +1,427 @@ +/* $Id: asuscom.c,v 1.14.2.4 2004/01/13 23:48:39 keil Exp $ + * + * low level stuff for ASUSCOM NETWORK INC. ISDNLink cards + * + * 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. + * + * Thanks to ASUSCOM NETWORK INC. Taiwan and Dynalink NL for information + * + */ + +#include <linux/init.h> +#include <linux/isapnp.h> +#include "hisax.h" +#include "isac.h" +#include "ipac.h" +#include "hscx.h" +#include "isdnl1.h" + +extern const char *CardType[]; + +const char *Asuscom_revision = "$Revision: 1.14.2.4 $"; + +#define byteout(addr,val) outb(val,addr) +#define bytein(addr) inb(addr) + +#define ASUS_ISAC 0 +#define ASUS_HSCX 1 +#define ASUS_ADR 2 +#define ASUS_CTRL_U7 3 +#define ASUS_CTRL_POTS 5 + +#define ASUS_IPAC_ALE 0 +#define ASUS_IPAC_DATA 1 + +#define ASUS_ISACHSCX 1 +#define ASUS_IPAC 2 + +/* CARD_ADR (Write) */ +#define ASUS_RESET 0x80 /* Bit 7 Reset-Leitung */ + +static inline u_char +readreg(unsigned int ale, unsigned int adr, u_char off) +{ + register u_char ret; + + byteout(ale, off); + ret = bytein(adr); + return (ret); +} + +static inline void +readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size) +{ + byteout(ale, off); + insb(adr, data, size); +} + + +static inline void +writereg(unsigned int ale, unsigned int adr, u_char off, u_char data) +{ + byteout(ale, off); + byteout(adr, data); +} + +static inline void +writefifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size) +{ + byteout(ale, off); + outsb(adr, data, size); +} + +/* Interface functions */ + +static u_char +ReadISAC(struct IsdnCardState *cs, u_char offset) +{ + return (readreg(cs->hw.asus.adr, cs->hw.asus.isac, offset)); +} + +static void +WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value) +{ + writereg(cs->hw.asus.adr, cs->hw.asus.isac, offset, value); +} + +static void +ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size) +{ + readfifo(cs->hw.asus.adr, cs->hw.asus.isac, 0, data, size); +} + +static void +WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size) +{ + writefifo(cs->hw.asus.adr, cs->hw.asus.isac, 0, data, size); +} + +static u_char +ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset) +{ + return (readreg(cs->hw.asus.adr, cs->hw.asus.isac, offset|0x80)); +} + +static void +WriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value) +{ + writereg(cs->hw.asus.adr, cs->hw.asus.isac, offset|0x80, value); +} + +static void +ReadISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size) +{ + readfifo(cs->hw.asus.adr, cs->hw.asus.isac, 0x80, data, size); +} + +static void +WriteISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size) +{ + writefifo(cs->hw.asus.adr, cs->hw.asus.isac, 0x80, data, size); +} + +static u_char +ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset) +{ + return (readreg(cs->hw.asus.adr, + cs->hw.asus.hscx, offset + (hscx ? 0x40 : 0))); +} + +static void +WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value) +{ + writereg(cs->hw.asus.adr, + cs->hw.asus.hscx, offset + (hscx ? 0x40 : 0), value); +} + +/* + * fast interrupt HSCX stuff goes here + */ + +#define READHSCX(cs, nr, reg) readreg(cs->hw.asus.adr, \ + cs->hw.asus.hscx, reg + (nr ? 0x40 : 0)) +#define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.asus.adr, \ + cs->hw.asus.hscx, reg + (nr ? 0x40 : 0), data) + +#define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.asus.adr, \ + cs->hw.asus.hscx, (nr ? 0x40 : 0), ptr, cnt) + +#define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.asus.adr, \ + cs->hw.asus.hscx, (nr ? 0x40 : 0), ptr, cnt) + +#include "hscx_irq.c" + +static irqreturn_t +asuscom_interrupt(int intno, void *dev_id, struct pt_regs *regs) +{ + struct IsdnCardState *cs = dev_id; + u_char val; + u_long flags; + + spin_lock_irqsave(&cs->lock, flags); + val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40); + Start_HSCX: + if (val) + hscx_int_main(cs, val); + val = readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA); + Start_ISAC: + if (val) + isac_interrupt(cs, val); + val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40); + if (val) { + if (cs->debug & L1_DEB_HSCX) + debugl1(cs, "HSCX IntStat after IntRoutine"); + goto Start_HSCX; + } + val = readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA); + if (val) { + if (cs->debug & L1_DEB_ISAC) + debugl1(cs, "ISAC IntStat after IntRoutine"); + goto Start_ISAC; + } + writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK, 0xFF); + writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK + 0x40, 0xFF); + writereg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_MASK, 0xFF); + writereg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_MASK, 0x0); + writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK, 0x0); + writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK + 0x40, 0x0); + spin_unlock_irqrestore(&cs->lock, flags); + return IRQ_HANDLED; +} + +static irqreturn_t +asuscom_interrupt_ipac(int intno, void *dev_id, struct pt_regs *regs) +{ + struct IsdnCardState *cs = dev_id; + u_char ista, val, icnt = 5; + u_long flags; + + spin_lock_irqsave(&cs->lock, flags); + ista = readreg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ISTA); +Start_IPAC: + if (cs->debug & L1_DEB_IPAC) + debugl1(cs, "IPAC ISTA %02X", ista); + if (ista & 0x0f) { + val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40); + if (ista & 0x01) + val |= 0x01; + if (ista & 0x04) + val |= 0x02; + if (ista & 0x08) + val |= 0x04; + if (val) + hscx_int_main(cs, val); + } + if (ista & 0x20) { + val = 0xfe & readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA | 0x80); + if (val) { + isac_interrupt(cs, val); + } + } + if (ista & 0x10) { + val = 0x01; + isac_interrupt(cs, val); + } + ista = readreg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ISTA); + if ((ista & 0x3f) && icnt) { + icnt--; + goto Start_IPAC; + } + if (!icnt) + printk(KERN_WARNING "ASUS IRQ LOOP\n"); + writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xFF); + writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xC0); + spin_unlock_irqrestore(&cs->lock, flags); + return IRQ_HANDLED; +} + +void +release_io_asuscom(struct IsdnCardState *cs) +{ + int bytecnt = 8; + + if (cs->hw.asus.cfg_reg) + release_region(cs->hw.asus.cfg_reg, bytecnt); +} + +static void +reset_asuscom(struct IsdnCardState *cs) +{ + if (cs->subtyp == ASUS_IPAC) + writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_POTA2, 0x20); + else + byteout(cs->hw.asus.adr, ASUS_RESET); /* Reset On */ + mdelay(10); + if (cs->subtyp == ASUS_IPAC) + writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_POTA2, 0x0); + else + byteout(cs->hw.asus.adr, 0); /* Reset Off */ + mdelay(10); + if (cs->subtyp == ASUS_IPAC) { + writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_CONF, 0x0); + writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ACFG, 0xff); + writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_AOE, 0x0); + writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xc0); + writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_PCFG, 0x12); + } +} + +static int +Asus_card_msg(struct IsdnCardState *cs, int mt, void *arg) +{ + u_long flags; + + switch (mt) { + case CARD_RESET: + spin_lock_irqsave(&cs->lock, flags); + reset_asuscom(cs); + spin_unlock_irqrestore(&cs->lock, flags); + return(0); + case CARD_RELEASE: + release_io_asuscom(cs); + return(0); + case CARD_INIT: + spin_lock_irqsave(&cs->lock, flags); + cs->debug |= L1_DEB_IPAC; + inithscxisac(cs, 3); + spin_unlock_irqrestore(&cs->lock, flags); + return(0); + case CARD_TEST: + return(0); + } + return(0); +} + +#ifdef __ISAPNP__ +static struct isapnp_device_id asus_ids[] __initdata = { + { ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1688), + ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1688), + (unsigned long) "Asus1688 PnP" }, + { ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1690), + ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1690), + (unsigned long) "Asus1690 PnP" }, + { ISAPNP_VENDOR('S', 'I', 'E'), ISAPNP_FUNCTION(0x0020), + ISAPNP_VENDOR('S', 'I', 'E'), ISAPNP_FUNCTION(0x0020), + (unsigned long) "Isurf2 PnP" }, + { ISAPNP_VENDOR('E', 'L', 'F'), ISAPNP_FUNCTION(0x0000), + ISAPNP_VENDOR('E', 'L', 'F'), ISAPNP_FUNCTION(0x0000), + (unsigned long) "Iscas TE320" }, + { 0, } +}; + +static struct isapnp_device_id *ipid __initdata = &asus_ids[0]; +static struct pnp_card *pnp_c __devinitdata = NULL; +#endif + +int __init +setup_asuscom(struct IsdnCard *card) +{ + int bytecnt; + struct IsdnCardState *cs = card->cs; + u_char val; + char tmp[64]; + + strcpy(tmp, Asuscom_revision); + printk(KERN_INFO "HiSax: Asuscom ISDNLink driver Rev. %s\n", HiSax_getrev(tmp)); + if (cs->typ != ISDN_CTYPE_ASUSCOM) + return (0); +#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", + __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 "AsusPnP: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 "AsusPnP: PnP error card found, no device\n"); + } + } + ipid++; + pnp_c = NULL; + } + if (!ipid->card_vendor) { + printk(KERN_INFO "AsusPnP: no ISAPnP card found\n"); + return(0); + } + } +#endif + bytecnt = 8; + cs->hw.asus.cfg_reg = card->para[1]; + cs->irq = card->para[0]; + if (!request_region(cs->hw.asus.cfg_reg, bytecnt, "asuscom isdn")) { + printk(KERN_WARNING + "HiSax: %s config port %x-%x already in use\n", + CardType[card->typ], + cs->hw.asus.cfg_reg, + cs->hw.asus.cfg_reg + bytecnt); + return (0); + } + printk(KERN_INFO "ISDNLink: defined at 0x%x IRQ %d\n", + cs->hw.asus.cfg_reg, cs->irq); + setup_isac(cs); + cs->BC_Read_Reg = &ReadHSCX; + cs->BC_Write_Reg = &WriteHSCX; + cs->BC_Send_Data = &hscx_fill_fifo; + cs->cardmsg = &Asus_card_msg; + val = readreg(cs->hw.asus.cfg_reg + ASUS_IPAC_ALE, + cs->hw.asus.cfg_reg + ASUS_IPAC_DATA, IPAC_ID); + if ((val == 1) || (val == 2)) { + cs->subtyp = ASUS_IPAC; + cs->hw.asus.adr = cs->hw.asus.cfg_reg + ASUS_IPAC_ALE; + cs->hw.asus.isac = cs->hw.asus.cfg_reg + ASUS_IPAC_DATA; + cs->hw.asus.hscx = cs->hw.asus.cfg_reg + ASUS_IPAC_DATA; + test_and_set_bit(HW_IPAC, &cs->HW_Flags); + cs->readisac = &ReadISAC_IPAC; + cs->writeisac = &WriteISAC_IPAC; + cs->readisacfifo = &ReadISACfifo_IPAC; + cs->writeisacfifo = &WriteISACfifo_IPAC; + cs->irq_func = &asuscom_interrupt_ipac; + printk(KERN_INFO "Asus: IPAC version %x\n", val); + } else { + cs->subtyp = ASUS_ISACHSCX; + cs->hw.asus.adr = cs->hw.asus.cfg_reg + ASUS_ADR; + cs->hw.asus.isac = cs->hw.asus.cfg_reg + ASUS_ISAC; + cs->hw.asus.hscx = cs->hw.asus.cfg_reg + ASUS_HSCX; + cs->hw.asus.u7 = cs->hw.asus.cfg_reg + ASUS_CTRL_U7; + cs->hw.asus.pots = cs->hw.asus.cfg_reg + ASUS_CTRL_POTS; + cs->readisac = &ReadISAC; + cs->writeisac = &WriteISAC; + cs->readisacfifo = &ReadISACfifo; + cs->writeisacfifo = &WriteISACfifo; + cs->irq_func = &asuscom_interrupt; + ISACVersion(cs, "ISDNLink:"); + if (HscxVersion(cs, "ISDNLink:")) { + printk(KERN_WARNING + "ISDNLink: wrong HSCX versions check IO address\n"); + release_io_asuscom(cs); + return (0); + } + } + return (1); +} |