summaryrefslogtreecommitdiff
path: root/drivers/isdn/hisax/teles3.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/isdn/hisax/teles3.c')
-rw-r--r--drivers/isdn/hisax/teles3.c498
1 files changed, 498 insertions, 0 deletions
diff --git a/drivers/isdn/hisax/teles3.c b/drivers/isdn/hisax/teles3.c
new file mode 100644
index 000000000..38fb2c1a3
--- /dev/null
+++ b/drivers/isdn/hisax/teles3.c
@@ -0,0 +1,498 @@
+/* $Id: teles3.c,v 2.19.2.4 2004/01/13 23:48:39 keil Exp $
+ *
+ * low level stuff for Teles 16.3 & PNP isdn 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 Jan den Ouden
+ * Fritz Elfert
+ * Beat Doebeli
+ *
+ */
+#include <linux/init.h>
+#include <linux/isapnp.h>
+#include "hisax.h"
+#include "isac.h"
+#include "hscx.h"
+#include "isdnl1.h"
+
+static const char *teles3_revision = "$Revision: 2.19.2.4 $";
+
+#define byteout(addr, val) outb(val, addr)
+#define bytein(addr) inb(addr)
+
+static inline u_char
+readreg(unsigned int adr, u_char off)
+{
+ return (bytein(adr + off));
+}
+
+static inline void
+writereg(unsigned int adr, u_char off, u_char data)
+{
+ byteout(adr + off, data);
+}
+
+
+static inline void
+read_fifo(unsigned int adr, u_char *data, int size)
+{
+ insb(adr, data, size);
+}
+
+static void
+write_fifo(unsigned int adr, u_char *data, int size)
+{
+ outsb(adr, data, size);
+}
+
+/* Interface functions */
+
+static u_char
+ReadISAC(struct IsdnCardState *cs, u_char offset)
+{
+ return (readreg(cs->hw.teles3.isac, offset));
+}
+
+static void
+WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
+{
+ writereg(cs->hw.teles3.isac, offset, value);
+}
+
+static void
+ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
+{
+ read_fifo(cs->hw.teles3.isacfifo, data, size);
+}
+
+static void
+WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
+{
+ write_fifo(cs->hw.teles3.isacfifo, data, size);
+}
+
+static u_char
+ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
+{
+ return (readreg(cs->hw.teles3.hscx[hscx], offset));
+}
+
+static void
+WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
+{
+ writereg(cs->hw.teles3.hscx[hscx], offset, value);
+}
+
+/*
+ * fast interrupt HSCX stuff goes here
+ */
+
+#define READHSCX(cs, nr, reg) readreg(cs->hw.teles3.hscx[nr], reg)
+#define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.teles3.hscx[nr], reg, data)
+#define READHSCXFIFO(cs, nr, ptr, cnt) read_fifo(cs->hw.teles3.hscxfifo[nr], ptr, cnt)
+#define WRITEHSCXFIFO(cs, nr, ptr, cnt) write_fifo(cs->hw.teles3.hscxfifo[nr], ptr, cnt)
+
+#include "hscx_irq.c"
+
+static irqreturn_t
+teles3_interrupt(int intno, void *dev_id)
+{
+#define MAXCOUNT 5
+ struct IsdnCardState *cs = dev_id;
+ u_char val;
+ u_long flags;
+ int count = 0;
+
+ spin_lock_irqsave(&cs->lock, flags);
+ val = readreg(cs->hw.teles3.hscx[1], HSCX_ISTA);
+Start_HSCX:
+ if (val)
+ hscx_int_main(cs, val);
+ val = readreg(cs->hw.teles3.isac, ISAC_ISTA);
+Start_ISAC:
+ if (val)
+ isac_interrupt(cs, val);
+ count++;
+ val = readreg(cs->hw.teles3.hscx[1], HSCX_ISTA);
+ if (val && count < MAXCOUNT) {
+ if (cs->debug & L1_DEB_HSCX)
+ debugl1(cs, "HSCX IntStat after IntRoutine");
+ goto Start_HSCX;
+ }
+ val = readreg(cs->hw.teles3.isac, ISAC_ISTA);
+ if (val && count < MAXCOUNT) {
+ if (cs->debug & L1_DEB_ISAC)
+ debugl1(cs, "ISAC IntStat after IntRoutine");
+ goto Start_ISAC;
+ }
+ if (count >= MAXCOUNT)
+ printk(KERN_WARNING "Teles3: more than %d loops in teles3_interrupt\n", count);
+ writereg(cs->hw.teles3.hscx[0], HSCX_MASK, 0xFF);
+ writereg(cs->hw.teles3.hscx[1], HSCX_MASK, 0xFF);
+ writereg(cs->hw.teles3.isac, ISAC_MASK, 0xFF);
+ writereg(cs->hw.teles3.isac, ISAC_MASK, 0x0);
+ writereg(cs->hw.teles3.hscx[0], HSCX_MASK, 0x0);
+ writereg(cs->hw.teles3.hscx[1], HSCX_MASK, 0x0);
+ spin_unlock_irqrestore(&cs->lock, flags);
+ return IRQ_HANDLED;
+}
+
+static inline void
+release_ioregs(struct IsdnCardState *cs, int mask)
+{
+ if (mask & 1)
+ release_region(cs->hw.teles3.isac + 32, 32);
+ if (mask & 2)
+ release_region(cs->hw.teles3.hscx[0] + 32, 32);
+ if (mask & 4)
+ release_region(cs->hw.teles3.hscx[1] + 32, 32);
+}
+
+static void
+release_io_teles3(struct IsdnCardState *cs)
+{
+ if (cs->typ == ISDN_CTYPE_TELESPCMCIA) {
+ release_region(cs->hw.teles3.hscx[1], 96);
+ } else {
+ if (cs->hw.teles3.cfg_reg) {
+ if (cs->typ == ISDN_CTYPE_COMPAQ_ISA) {
+ release_region(cs->hw.teles3.cfg_reg, 1);
+ } else {
+ release_region(cs->hw.teles3.cfg_reg, 8);
+ }
+ }
+ release_ioregs(cs, 0x7);
+ }
+}
+
+static int
+reset_teles3(struct IsdnCardState *cs)
+{
+ u_char irqcfg;
+
+ if (cs->typ != ISDN_CTYPE_TELESPCMCIA) {
+ if ((cs->hw.teles3.cfg_reg) && (cs->typ != ISDN_CTYPE_COMPAQ_ISA)) {
+ switch (cs->irq) {
+ case 2:
+ case 9:
+ irqcfg = 0x00;
+ break;
+ case 3:
+ irqcfg = 0x02;
+ break;
+ case 4:
+ irqcfg = 0x04;
+ break;
+ case 5:
+ irqcfg = 0x06;
+ break;
+ case 10:
+ irqcfg = 0x08;
+ break;
+ case 11:
+ irqcfg = 0x0A;
+ break;
+ case 12:
+ irqcfg = 0x0C;
+ break;
+ case 15:
+ irqcfg = 0x0E;
+ break;
+ default:
+ return (1);
+ }
+ byteout(cs->hw.teles3.cfg_reg + 4, irqcfg);
+ HZDELAY(HZ / 10 + 1);
+ byteout(cs->hw.teles3.cfg_reg + 4, irqcfg | 1);
+ HZDELAY(HZ / 10 + 1);
+ } else if (cs->typ == ISDN_CTYPE_COMPAQ_ISA) {
+ byteout(cs->hw.teles3.cfg_reg, 0xff);
+ HZDELAY(2);
+ byteout(cs->hw.teles3.cfg_reg, 0x00);
+ HZDELAY(2);
+ } else {
+ /* Reset off for 16.3 PnP , thanks to Georg Acher */
+ byteout(cs->hw.teles3.isac + 0x3c, 0);
+ HZDELAY(2);
+ byteout(cs->hw.teles3.isac + 0x3c, 1);
+ HZDELAY(2);
+ }
+ }
+ return (0);
+}
+
+static int
+Teles_card_msg(struct IsdnCardState *cs, int mt, void *arg)
+{
+ u_long flags;
+
+ switch (mt) {
+ case CARD_RESET:
+ spin_lock_irqsave(&cs->lock, flags);
+ reset_teles3(cs);
+ spin_unlock_irqrestore(&cs->lock, flags);
+ return (0);
+ case CARD_RELEASE:
+ release_io_teles3(cs);
+ return (0);
+ case CARD_INIT:
+ spin_lock_irqsave(&cs->lock, flags);
+ 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 teles_ids[] = {
+ { ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x2110),
+ ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x2110),
+ (unsigned long) "Teles 16.3 PnP" },
+ { ISAPNP_VENDOR('C', 'T', 'X'), ISAPNP_FUNCTION(0x0),
+ ISAPNP_VENDOR('C', 'T', 'X'), ISAPNP_FUNCTION(0x0),
+ (unsigned long) "Creatix 16.3 PnP" },
+ { ISAPNP_VENDOR('C', 'P', 'Q'), ISAPNP_FUNCTION(0x1002),
+ ISAPNP_VENDOR('C', 'P', 'Q'), ISAPNP_FUNCTION(0x1002),
+ (unsigned long) "Compaq ISDN S0" },
+ { 0, }
+};
+
+static struct isapnp_device_id *ipid = &teles_ids[0];
+static struct pnp_card *pnp_c = NULL;
+#endif
+
+int setup_teles3(struct IsdnCard *card)
+{
+ u_char val;
+ struct IsdnCardState *cs = card->cs;
+ char tmp[64];
+
+ strcpy(tmp, teles3_revision);
+ printk(KERN_INFO "HiSax: Teles IO driver Rev. %s\n", HiSax_getrev(tmp));
+ if ((cs->typ != ISDN_CTYPE_16_3) && (cs->typ != ISDN_CTYPE_PNP)
+ && (cs->typ != ISDN_CTYPE_TELESPCMCIA) && (cs->typ != ISDN_CTYPE_COMPAQ_ISA))
+ 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[3] = pnp_port_start(pnp_d, 2);
+ card->para[2] = pnp_port_start(pnp_d, 1);
+ card->para[1] = pnp_port_start(pnp_d, 0);
+ card->para[0] = pnp_irq(pnp_d, 0);
+ if (!card->para[0] || !card->para[1] || !card->para[2]) {
+ printk(KERN_ERR "Teles PnP:some resources are missing %ld/%lx/%lx\n",
+ card->para[0], card->para[1], card->para[2]);
+ pnp_disable_dev(pnp_d);
+ return (0);
+ }
+ break;
+ } else {
+ printk(KERN_ERR "Teles PnP: PnP error card found, no device\n");
+ }
+ }
+ ipid++;
+ pnp_c = NULL;
+ }
+ if (!ipid->card_vendor) {
+ printk(KERN_INFO "Teles PnP: no ISAPnP card found\n");
+ return (0);
+ }
+ }
+#endif
+ if (cs->typ == ISDN_CTYPE_16_3) {
+ cs->hw.teles3.cfg_reg = card->para[1];
+ switch (cs->hw.teles3.cfg_reg) {
+ case 0x180:
+ case 0x280:
+ case 0x380:
+ cs->hw.teles3.cfg_reg |= 0xc00;
+ break;
+ }
+ cs->hw.teles3.isac = cs->hw.teles3.cfg_reg - 0x420;
+ cs->hw.teles3.hscx[0] = cs->hw.teles3.cfg_reg - 0xc20;
+ cs->hw.teles3.hscx[1] = cs->hw.teles3.cfg_reg - 0x820;
+ } else if (cs->typ == ISDN_CTYPE_TELESPCMCIA) {
+ cs->hw.teles3.cfg_reg = 0;
+ cs->hw.teles3.hscx[0] = card->para[1] - 0x20;
+ cs->hw.teles3.hscx[1] = card->para[1];
+ cs->hw.teles3.isac = card->para[1] + 0x20;
+ } else if (cs->typ == ISDN_CTYPE_COMPAQ_ISA) {
+ cs->hw.teles3.cfg_reg = card->para[3];
+ cs->hw.teles3.isac = card->para[2] - 32;
+ cs->hw.teles3.hscx[0] = card->para[1] - 32;
+ cs->hw.teles3.hscx[1] = card->para[1];
+ } else { /* PNP */
+ cs->hw.teles3.cfg_reg = 0;
+ cs->hw.teles3.isac = card->para[1] - 32;
+ cs->hw.teles3.hscx[0] = card->para[2] - 32;
+ cs->hw.teles3.hscx[1] = card->para[2];
+ }
+ cs->irq = card->para[0];
+ cs->hw.teles3.isacfifo = cs->hw.teles3.isac + 0x3e;
+ cs->hw.teles3.hscxfifo[0] = cs->hw.teles3.hscx[0] + 0x3e;
+ cs->hw.teles3.hscxfifo[1] = cs->hw.teles3.hscx[1] + 0x3e;
+ if (cs->typ == ISDN_CTYPE_TELESPCMCIA) {
+ if (!request_region(cs->hw.teles3.hscx[1], 96, "HiSax Teles PCMCIA")) {
+ printk(KERN_WARNING
+ "HiSax: %s ports %x-%x already in use\n",
+ CardType[cs->typ],
+ cs->hw.teles3.hscx[1],
+ cs->hw.teles3.hscx[1] + 96);
+ return (0);
+ }
+ cs->irq_flags |= IRQF_SHARED; /* cardbus can share */
+ } else {
+ if (cs->hw.teles3.cfg_reg) {
+ if (cs->typ == ISDN_CTYPE_COMPAQ_ISA) {
+ if (!request_region(cs->hw.teles3.cfg_reg, 1, "teles3 cfg")) {
+ printk(KERN_WARNING
+ "HiSax: %s config port %x already in use\n",
+ CardType[card->typ],
+ cs->hw.teles3.cfg_reg);
+ return (0);
+ }
+ } else {
+ if (!request_region(cs->hw.teles3.cfg_reg, 8, "teles3 cfg")) {
+ printk(KERN_WARNING
+ "HiSax: %s config port %x-%x already in use\n",
+ CardType[card->typ],
+ cs->hw.teles3.cfg_reg,
+ cs->hw.teles3.cfg_reg + 8);
+ return (0);
+ }
+ }
+ }
+ if (!request_region(cs->hw.teles3.isac + 32, 32, "HiSax isac")) {
+ printk(KERN_WARNING
+ "HiSax: %s isac ports %x-%x already in use\n",
+ CardType[cs->typ],
+ cs->hw.teles3.isac + 32,
+ cs->hw.teles3.isac + 64);
+ if (cs->hw.teles3.cfg_reg) {
+ if (cs->typ == ISDN_CTYPE_COMPAQ_ISA) {
+ release_region(cs->hw.teles3.cfg_reg, 1);
+ } else {
+ release_region(cs->hw.teles3.cfg_reg, 8);
+ }
+ }
+ return (0);
+ }
+ if (!request_region(cs->hw.teles3.hscx[0] + 32, 32, "HiSax hscx A")) {
+ printk(KERN_WARNING
+ "HiSax: %s hscx A ports %x-%x already in use\n",
+ CardType[cs->typ],
+ cs->hw.teles3.hscx[0] + 32,
+ cs->hw.teles3.hscx[0] + 64);
+ if (cs->hw.teles3.cfg_reg) {
+ if (cs->typ == ISDN_CTYPE_COMPAQ_ISA) {
+ release_region(cs->hw.teles3.cfg_reg, 1);
+ } else {
+ release_region(cs->hw.teles3.cfg_reg, 8);
+ }
+ }
+ release_ioregs(cs, 1);
+ return (0);
+ }
+ if (!request_region(cs->hw.teles3.hscx[1] + 32, 32, "HiSax hscx B")) {
+ printk(KERN_WARNING
+ "HiSax: %s hscx B ports %x-%x already in use\n",
+ CardType[cs->typ],
+ cs->hw.teles3.hscx[1] + 32,
+ cs->hw.teles3.hscx[1] + 64);
+ if (cs->hw.teles3.cfg_reg) {
+ if (cs->typ == ISDN_CTYPE_COMPAQ_ISA) {
+ release_region(cs->hw.teles3.cfg_reg, 1);
+ } else {
+ release_region(cs->hw.teles3.cfg_reg, 8);
+ }
+ }
+ release_ioregs(cs, 3);
+ return (0);
+ }
+ }
+ if ((cs->hw.teles3.cfg_reg) && (cs->typ != ISDN_CTYPE_COMPAQ_ISA)) {
+ if ((val = bytein(cs->hw.teles3.cfg_reg + 0)) != 0x51) {
+ printk(KERN_WARNING "Teles: 16.3 Byte at %x is %x\n",
+ cs->hw.teles3.cfg_reg + 0, val);
+ release_io_teles3(cs);
+ return (0);
+ }
+ if ((val = bytein(cs->hw.teles3.cfg_reg + 1)) != 0x93) {
+ printk(KERN_WARNING "Teles: 16.3 Byte at %x is %x\n",
+ cs->hw.teles3.cfg_reg + 1, val);
+ release_io_teles3(cs);
+ return (0);
+ }
+ val = bytein(cs->hw.teles3.cfg_reg + 2);/* 0x1e=without AB
+ * 0x1f=with AB
+ * 0x1c 16.3 ???
+ * 0x39 16.3 1.1
+ * 0x38 16.3 1.3
+ * 0x46 16.3 with AB + Video (Teles-Vision)
+ */
+ if (val != 0x46 && val != 0x39 && val != 0x38 && val != 0x1c && val != 0x1e && val != 0x1f) {
+ printk(KERN_WARNING "Teles: 16.3 Byte at %x is %x\n",
+ cs->hw.teles3.cfg_reg + 2, val);
+ release_io_teles3(cs);
+ return (0);
+ }
+ }
+ printk(KERN_INFO
+ "HiSax: %s config irq:%d isac:0x%X cfg:0x%X\n",
+ CardType[cs->typ], cs->irq,
+ cs->hw.teles3.isac + 32, cs->hw.teles3.cfg_reg);
+ printk(KERN_INFO
+ "HiSax: hscx A:0x%X hscx B:0x%X\n",
+ cs->hw.teles3.hscx[0] + 32, cs->hw.teles3.hscx[1] + 32);
+
+ setup_isac(cs);
+ if (reset_teles3(cs)) {
+ printk(KERN_WARNING "Teles3: wrong IRQ\n");
+ release_io_teles3(cs);
+ return (0);
+ }
+ cs->readisac = &ReadISAC;
+ cs->writeisac = &WriteISAC;
+ cs->readisacfifo = &ReadISACfifo;
+ cs->writeisacfifo = &WriteISACfifo;
+ cs->BC_Read_Reg = &ReadHSCX;
+ cs->BC_Write_Reg = &WriteHSCX;
+ cs->BC_Send_Data = &hscx_fill_fifo;
+ cs->cardmsg = &Teles_card_msg;
+ cs->irq_func = &teles3_interrupt;
+ ISACVersion(cs, "Teles3:");
+ if (HscxVersion(cs, "Teles3:")) {
+ printk(KERN_WARNING
+ "Teles3: wrong HSCX versions check IO address\n");
+ release_io_teles3(cs);
+ return (0);
+ }
+ return (1);
+}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-16 09:34:06 +0000