--- /dev/null
+/* $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"
+
+static 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 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 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;
+}
+
+static 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[] = {
+ { 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 = &asus_ids[0];
+static struct pnp_card *pnp_c = NULL;
+#endif
+
+int 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",
+ __func__, 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: ISDNLink config port %x-%x already in use\n",
+ 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);
+}
Code Review / kvmfornfv.git / blobdiff