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path: root/drivers/isdn/hisax/gazel.c
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Diffstat (limited to 'drivers/isdn/hisax/gazel.c')
-rw-r--r--drivers/isdn/hisax/gazel.c691
1 files changed, 0 insertions, 691 deletions
diff --git a/drivers/isdn/hisax/gazel.c b/drivers/isdn/hisax/gazel.c
deleted file mode 100644
index a6d8af02354a..000000000000
--- a/drivers/isdn/hisax/gazel.c
+++ /dev/null
@@ -1,691 +0,0 @@
-/* $Id: gazel.c,v 2.19.2.4 2004/01/14 16:04:48 keil Exp $
- *
- * low level stuff for Gazel isdn cards
- *
- * Author BeWan Systems
- * based on source code from Karsten Keil
- * Copyright by BeWan Systems
- *
- * 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 "hisax.h"
-#include "isac.h"
-#include "hscx.h"
-#include "isdnl1.h"
-#include "ipac.h"
-#include <linux/pci.h>
-
-static const char *gazel_revision = "$Revision: 2.19.2.4 $";
-
-#define R647 1
-#define R685 2
-#define R753 3
-#define R742 4
-
-#define PLX_CNTRL 0x50 /* registre de controle PLX */
-#define RESET_GAZEL 0x4
-#define RESET_9050 0x40000000
-#define PLX_INCSR 0x4C /* registre d'IT du 9050 */
-#define INT_ISAC_EN 0x8 /* 1 = enable IT isac */
-#define INT_ISAC 0x20 /* 1 = IT isac en cours */
-#define INT_HSCX_EN 0x1 /* 1 = enable IT hscx */
-#define INT_HSCX 0x4 /* 1 = IT hscx en cours */
-#define INT_PCI_EN 0x40 /* 1 = enable IT PCI */
-#define INT_IPAC_EN 0x3 /* enable IT ipac */
-
-
-#define byteout(addr, val) outb(val, addr)
-#define bytein(addr) inb(addr)
-
-static inline u_char
-readreg(unsigned int adr, u_short off)
-{
- return bytein(adr + off);
-}
-
-static inline void
-writereg(unsigned int adr, u_short 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);
-}
-
-static inline u_char
-readreg_ipac(unsigned int adr, u_short off)
-{
- register u_char ret;
-
- byteout(adr, off);
- ret = bytein(adr + 4);
- return ret;
-}
-
-static inline void
-writereg_ipac(unsigned int adr, u_short off, u_char data)
-{
- byteout(adr, off);
- byteout(adr + 4, data);
-}
-
-
-static inline void
-read_fifo_ipac(unsigned int adr, u_short off, u_char *data, int size)
-{
- byteout(adr, off);
- insb(adr + 4, data, size);
-}
-
-static void
-write_fifo_ipac(unsigned int adr, u_short off, u_char *data, int size)
-{
- byteout(adr, off);
- outsb(adr + 4, data, size);
-}
-
-/* Interface functions */
-
-static u_char
-ReadISAC(struct IsdnCardState *cs, u_char offset)
-{
- u_short off2 = offset;
-
- switch (cs->subtyp) {
- case R647:
- off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
- /* fall through */
- case R685:
- return (readreg(cs->hw.gazel.isac, off2));
- case R753:
- case R742:
- return (readreg_ipac(cs->hw.gazel.ipac, 0x80 + off2));
- }
- return 0;
-}
-
-static void
-WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
-{
- u_short off2 = offset;
-
- switch (cs->subtyp) {
- case R647:
- off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
- /* fall through */
- case R685:
- writereg(cs->hw.gazel.isac, off2, value);
- break;
- case R753:
- case R742:
- writereg_ipac(cs->hw.gazel.ipac, 0x80 + off2, value);
- break;
- }
-}
-
-static void
-ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
-{
- switch (cs->subtyp) {
- case R647:
- case R685:
- read_fifo(cs->hw.gazel.isacfifo, data, size);
- break;
- case R753:
- case R742:
- read_fifo_ipac(cs->hw.gazel.ipac, 0x80, data, size);
- break;
- }
-}
-
-static void
-WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
-{
- switch (cs->subtyp) {
- case R647:
- case R685:
- write_fifo(cs->hw.gazel.isacfifo, data, size);
- break;
- case R753:
- case R742:
- write_fifo_ipac(cs->hw.gazel.ipac, 0x80, data, size);
- break;
- }
-}
-
-static void
-ReadHSCXfifo(struct IsdnCardState *cs, int hscx, u_char *data, int size)
-{
- switch (cs->subtyp) {
- case R647:
- case R685:
- read_fifo(cs->hw.gazel.hscxfifo[hscx], data, size);
- break;
- case R753:
- case R742:
- read_fifo_ipac(cs->hw.gazel.ipac, hscx * 0x40, data, size);
- break;
- }
-}
-
-static void
-WriteHSCXfifo(struct IsdnCardState *cs, int hscx, u_char *data, int size)
-{
- switch (cs->subtyp) {
- case R647:
- case R685:
- write_fifo(cs->hw.gazel.hscxfifo[hscx], data, size);
- break;
- case R753:
- case R742:
- write_fifo_ipac(cs->hw.gazel.ipac, hscx * 0x40, data, size);
- break;
- }
-}
-
-static u_char
-ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
-{
- u_short off2 = offset;
-
- switch (cs->subtyp) {
- case R647:
- off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
- /* fall through */
- case R685:
- return (readreg(cs->hw.gazel.hscx[hscx], off2));
- case R753:
- case R742:
- return (readreg_ipac(cs->hw.gazel.ipac, hscx * 0x40 + off2));
- }
- return 0;
-}
-
-static void
-WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
-{
- u_short off2 = offset;
-
- switch (cs->subtyp) {
- case R647:
- off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
- /* fall through */
- case R685:
- writereg(cs->hw.gazel.hscx[hscx], off2, value);
- break;
- case R753:
- case R742:
- writereg_ipac(cs->hw.gazel.ipac, hscx * 0x40 + off2, value);
- break;
- }
-}
-
-/*
- * fast interrupt HSCX stuff goes here
- */
-
-#define READHSCX(cs, nr, reg) ReadHSCX(cs, nr, reg)
-#define WRITEHSCX(cs, nr, reg, data) WriteHSCX(cs, nr, reg, data)
-#define READHSCXFIFO(cs, nr, ptr, cnt) ReadHSCXfifo(cs, nr, ptr, cnt)
-#define WRITEHSCXFIFO(cs, nr, ptr, cnt) WriteHSCXfifo(cs, nr, ptr, cnt)
-
-#include "hscx_irq.c"
-
-static irqreturn_t
-gazel_interrupt(int intno, void *dev_id)
-{
-#define MAXCOUNT 5
- struct IsdnCardState *cs = dev_id;
- u_char valisac, valhscx;
- int count = 0;
- u_long flags;
-
- spin_lock_irqsave(&cs->lock, flags);
- do {
- valhscx = ReadHSCX(cs, 1, HSCX_ISTA);
- if (valhscx)
- hscx_int_main(cs, valhscx);
- valisac = ReadISAC(cs, ISAC_ISTA);
- if (valisac)
- isac_interrupt(cs, valisac);
- count++;
- } while ((valhscx || valisac) && (count < MAXCOUNT));
-
- WriteHSCX(cs, 0, HSCX_MASK, 0xFF);
- WriteHSCX(cs, 1, HSCX_MASK, 0xFF);
- WriteISAC(cs, ISAC_MASK, 0xFF);
- WriteISAC(cs, ISAC_MASK, 0x0);
- WriteHSCX(cs, 0, HSCX_MASK, 0x0);
- WriteHSCX(cs, 1, HSCX_MASK, 0x0);
- spin_unlock_irqrestore(&cs->lock, flags);
- return IRQ_HANDLED;
-}
-
-
-static irqreturn_t
-gazel_interrupt_ipac(int intno, void *dev_id)
-{
- struct IsdnCardState *cs = dev_id;
- u_char ista, val;
- int count = 0;
- u_long flags;
-
- spin_lock_irqsave(&cs->lock, flags);
- ista = ReadISAC(cs, IPAC_ISTA - 0x80);
- do {
- if (ista & 0x0f) {
- val = ReadHSCX(cs, 1, HSCX_ISTA);
- 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 & ReadISAC(cs, ISAC_ISTA);
- if (val) {
- isac_interrupt(cs, val);
- }
- }
- if (ista & 0x10) {
- val = 0x01;
- isac_interrupt(cs, val);
- }
- ista = ReadISAC(cs, IPAC_ISTA - 0x80);
- count++;
- }
- while ((ista & 0x3f) && (count < MAXCOUNT));
-
- WriteISAC(cs, IPAC_MASK - 0x80, 0xFF);
- WriteISAC(cs, IPAC_MASK - 0x80, 0xC0);
- spin_unlock_irqrestore(&cs->lock, flags);
- return IRQ_HANDLED;
-}
-
-static void
-release_io_gazel(struct IsdnCardState *cs)
-{
- unsigned int i;
-
- switch (cs->subtyp) {
- case R647:
- for (i = 0x0000; i < 0xC000; i += 0x1000)
- release_region(i + cs->hw.gazel.hscx[0], 16);
- release_region(0xC000 + cs->hw.gazel.hscx[0], 1);
- break;
-
- case R685:
- release_region(cs->hw.gazel.hscx[0], 0x100);
- release_region(cs->hw.gazel.cfg_reg, 0x80);
- break;
-
- case R753:
- release_region(cs->hw.gazel.ipac, 0x8);
- release_region(cs->hw.gazel.cfg_reg, 0x80);
- break;
-
- case R742:
- release_region(cs->hw.gazel.ipac, 8);
- break;
- }
-}
-
-static int
-reset_gazel(struct IsdnCardState *cs)
-{
- unsigned long plxcntrl, addr = cs->hw.gazel.cfg_reg;
-
- switch (cs->subtyp) {
- case R647:
- writereg(addr, 0, 0);
- HZDELAY(10);
- writereg(addr, 0, 1);
- HZDELAY(2);
- break;
- case R685:
- plxcntrl = inl(addr + PLX_CNTRL);
- plxcntrl |= (RESET_9050 + RESET_GAZEL);
- outl(plxcntrl, addr + PLX_CNTRL);
- plxcntrl &= ~(RESET_9050 + RESET_GAZEL);
- HZDELAY(4);
- outl(plxcntrl, addr + PLX_CNTRL);
- HZDELAY(10);
- outb(INT_ISAC_EN + INT_HSCX_EN + INT_PCI_EN, addr + PLX_INCSR);
- break;
- case R753:
- plxcntrl = inl(addr + PLX_CNTRL);
- plxcntrl |= (RESET_9050 + RESET_GAZEL);
- outl(plxcntrl, addr + PLX_CNTRL);
- plxcntrl &= ~(RESET_9050 + RESET_GAZEL);
- WriteISAC(cs, IPAC_POTA2 - 0x80, 0x20);
- HZDELAY(4);
- outl(plxcntrl, addr + PLX_CNTRL);
- HZDELAY(10);
- WriteISAC(cs, IPAC_POTA2 - 0x80, 0x00);
- WriteISAC(cs, IPAC_ACFG - 0x80, 0xff);
- WriteISAC(cs, IPAC_AOE - 0x80, 0x0);
- WriteISAC(cs, IPAC_MASK - 0x80, 0xff);
- WriteISAC(cs, IPAC_CONF - 0x80, 0x1);
- outb(INT_IPAC_EN + INT_PCI_EN, addr + PLX_INCSR);
- WriteISAC(cs, IPAC_MASK - 0x80, 0xc0);
- break;
- case R742:
- WriteISAC(cs, IPAC_POTA2 - 0x80, 0x20);
- HZDELAY(4);
- WriteISAC(cs, IPAC_POTA2 - 0x80, 0x00);
- WriteISAC(cs, IPAC_ACFG - 0x80, 0xff);
- WriteISAC(cs, IPAC_AOE - 0x80, 0x0);
- WriteISAC(cs, IPAC_MASK - 0x80, 0xff);
- WriteISAC(cs, IPAC_CONF - 0x80, 0x1);
- WriteISAC(cs, IPAC_MASK - 0x80, 0xc0);
- break;
- }
- return (0);
-}
-
-static int
-Gazel_card_msg(struct IsdnCardState *cs, int mt, void *arg)
-{
- u_long flags;
-
- switch (mt) {
- case CARD_RESET:
- spin_lock_irqsave(&cs->lock, flags);
- reset_gazel(cs);
- spin_unlock_irqrestore(&cs->lock, flags);
- return (0);
- case CARD_RELEASE:
- release_io_gazel(cs);
- return (0);
- case CARD_INIT:
- spin_lock_irqsave(&cs->lock, flags);
- inithscxisac(cs, 1);
- if ((cs->subtyp == R647) || (cs->subtyp == R685)) {
- int i;
- for (i = 0; i < (2 + MAX_WAITING_CALLS); i++) {
- cs->bcs[i].hw.hscx.tsaxr0 = 0x1f;
- cs->bcs[i].hw.hscx.tsaxr1 = 0x23;
- }
- }
- spin_unlock_irqrestore(&cs->lock, flags);
- return (0);
- case CARD_TEST:
- return (0);
- }
- return (0);
-}
-
-static int
-reserve_regions(struct IsdnCard *card, struct IsdnCardState *cs)
-{
- unsigned int i, j, base = 0, adr = 0, len = 0;
-
- switch (cs->subtyp) {
- case R647:
- base = cs->hw.gazel.hscx[0];
- if (!request_region(adr = (0xC000 + base), len = 1, "gazel"))
- goto error;
- for (i = 0x0000; i < 0xC000; i += 0x1000) {
- if (!request_region(adr = (i + base), len = 16, "gazel"))
- goto error;
- }
- if (i != 0xC000) {
- for (j = 0; j < i; j += 0x1000)
- release_region(j + base, 16);
- release_region(0xC000 + base, 1);
- goto error;
- }
- break;
-
- case R685:
- if (!request_region(adr = cs->hw.gazel.hscx[0], len = 0x100, "gazel"))
- goto error;
- if (!request_region(adr = cs->hw.gazel.cfg_reg, len = 0x80, "gazel")) {
- release_region(cs->hw.gazel.hscx[0], 0x100);
- goto error;
- }
- break;
-
- case R753:
- if (!request_region(adr = cs->hw.gazel.ipac, len = 0x8, "gazel"))
- goto error;
- if (!request_region(adr = cs->hw.gazel.cfg_reg, len = 0x80, "gazel")) {
- release_region(cs->hw.gazel.ipac, 8);
- goto error;
- }
- break;
-
- case R742:
- if (!request_region(adr = cs->hw.gazel.ipac, len = 0x8, "gazel"))
- goto error;
- break;
- }
-
- return 0;
-
-error:
- printk(KERN_WARNING "Gazel: io ports 0x%x-0x%x already in use\n",
- adr, adr + len);
- return 1;
-}
-
-static int setup_gazelisa(struct IsdnCard *card, struct IsdnCardState *cs)
-{
- printk(KERN_INFO "Gazel: ISA PnP card automatic recognition\n");
- // we got an irq parameter, assume it is an ISA card
- // R742 decodes address even in not started...
- // R647 returns FF if not present or not started
- // eventually needs improvment
- if (readreg_ipac(card->para[1], IPAC_ID) == 1)
- cs->subtyp = R742;
- else
- cs->subtyp = R647;
-
- setup_isac(cs);
- cs->hw.gazel.cfg_reg = card->para[1] + 0xC000;
- cs->hw.gazel.ipac = card->para[1];
- cs->hw.gazel.isac = card->para[1] + 0x8000;
- cs->hw.gazel.hscx[0] = card->para[1];
- cs->hw.gazel.hscx[1] = card->para[1] + 0x4000;
- cs->irq = card->para[0];
- cs->hw.gazel.isacfifo = cs->hw.gazel.isac;
- cs->hw.gazel.hscxfifo[0] = cs->hw.gazel.hscx[0];
- cs->hw.gazel.hscxfifo[1] = cs->hw.gazel.hscx[1];
-
- switch (cs->subtyp) {
- case R647:
- printk(KERN_INFO "Gazel: Card ISA R647/R648 found\n");
- cs->dc.isac.adf2 = 0x87;
- printk(KERN_INFO
- "Gazel: config irq:%d isac:0x%X cfg:0x%X\n",
- cs->irq, cs->hw.gazel.isac, cs->hw.gazel.cfg_reg);
- printk(KERN_INFO
- "Gazel: hscx A:0x%X hscx B:0x%X\n",
- cs->hw.gazel.hscx[0], cs->hw.gazel.hscx[1]);
-
- break;
- case R742:
- printk(KERN_INFO "Gazel: Card ISA R742 found\n");
- test_and_set_bit(HW_IPAC, &cs->HW_Flags);
- printk(KERN_INFO
- "Gazel: config irq:%d ipac:0x%X\n",
- cs->irq, cs->hw.gazel.ipac);
- break;
- }
-
- return (0);
-}
-
-#ifdef CONFIG_PCI
-static struct pci_dev *dev_tel = NULL;
-
-static int setup_gazelpci(struct IsdnCardState *cs)
-{
- u_int pci_ioaddr0 = 0, pci_ioaddr1 = 0;
- u_char pci_irq = 0, found;
- u_int nbseek, seekcard;
-
- printk(KERN_WARNING "Gazel: PCI card automatic recognition\n");
-
- found = 0;
- seekcard = PCI_DEVICE_ID_PLX_R685;
- for (nbseek = 0; nbseek < 4; nbseek++) {
- if ((dev_tel = hisax_find_pci_device(PCI_VENDOR_ID_PLX,
- seekcard, dev_tel))) {
- if (pci_enable_device(dev_tel))
- return 1;
- pci_irq = dev_tel->irq;
- pci_ioaddr0 = pci_resource_start(dev_tel, 1);
- pci_ioaddr1 = pci_resource_start(dev_tel, 2);
- found = 1;
- }
- if (found)
- break;
- else {
- switch (seekcard) {
- case PCI_DEVICE_ID_PLX_R685:
- seekcard = PCI_DEVICE_ID_PLX_R753;
- break;
- case PCI_DEVICE_ID_PLX_R753:
- seekcard = PCI_DEVICE_ID_PLX_DJINN_ITOO;
- break;
- case PCI_DEVICE_ID_PLX_DJINN_ITOO:
- seekcard = PCI_DEVICE_ID_PLX_OLITEC;
- break;
- }
- }
- }
- if (!found) {
- printk(KERN_WARNING "Gazel: No PCI card found\n");
- return (1);
- }
- if (!pci_irq) {
- printk(KERN_WARNING "Gazel: No IRQ for PCI card found\n");
- return 1;
- }
- cs->hw.gazel.pciaddr[0] = pci_ioaddr0;
- cs->hw.gazel.pciaddr[1] = pci_ioaddr1;
- setup_isac(cs);
- pci_ioaddr1 &= 0xfffe;
- cs->hw.gazel.cfg_reg = pci_ioaddr0 & 0xfffe;
- cs->hw.gazel.ipac = pci_ioaddr1;
- cs->hw.gazel.isac = pci_ioaddr1 + 0x80;
- cs->hw.gazel.hscx[0] = pci_ioaddr1;
- cs->hw.gazel.hscx[1] = pci_ioaddr1 + 0x40;
- cs->hw.gazel.isacfifo = cs->hw.gazel.isac;
- cs->hw.gazel.hscxfifo[0] = cs->hw.gazel.hscx[0];
- cs->hw.gazel.hscxfifo[1] = cs->hw.gazel.hscx[1];
- cs->irq = pci_irq;
- cs->irq_flags |= IRQF_SHARED;
-
- switch (seekcard) {
- case PCI_DEVICE_ID_PLX_R685:
- printk(KERN_INFO "Gazel: Card PCI R685 found\n");
- cs->subtyp = R685;
- cs->dc.isac.adf2 = 0x87;
- printk(KERN_INFO
- "Gazel: config irq:%d isac:0x%X cfg:0x%X\n",
- cs->irq, cs->hw.gazel.isac, cs->hw.gazel.cfg_reg);
- printk(KERN_INFO
- "Gazel: hscx A:0x%X hscx B:0x%X\n",
- cs->hw.gazel.hscx[0], cs->hw.gazel.hscx[1]);
- break;
- case PCI_DEVICE_ID_PLX_R753:
- case PCI_DEVICE_ID_PLX_DJINN_ITOO:
- case PCI_DEVICE_ID_PLX_OLITEC:
- printk(KERN_INFO "Gazel: Card PCI R753 found\n");
- cs->subtyp = R753;
- test_and_set_bit(HW_IPAC, &cs->HW_Flags);
- printk(KERN_INFO
- "Gazel: config irq:%d ipac:0x%X cfg:0x%X\n",
- cs->irq, cs->hw.gazel.ipac, cs->hw.gazel.cfg_reg);
- break;
- }
-
- return (0);
-}
-#endif /* CONFIG_PCI */
-
-int setup_gazel(struct IsdnCard *card)
-{
- struct IsdnCardState *cs = card->cs;
- char tmp[64];
- u_char val;
-
- strcpy(tmp, gazel_revision);
- printk(KERN_INFO "Gazel: Driver Revision %s\n", HiSax_getrev(tmp));
-
- if (cs->typ != ISDN_CTYPE_GAZEL)
- return (0);
-
- if (card->para[0]) {
- if (setup_gazelisa(card, cs))
- return (0);
- } else {
-
-#ifdef CONFIG_PCI
- if (setup_gazelpci(cs))
- return (0);
-#else
- printk(KERN_WARNING "Gazel: Card PCI requested and NO_PCI_BIOS, unable to config\n");
- return (0);
-#endif /* CONFIG_PCI */
- }
-
- if (reserve_regions(card, cs)) {
- return (0);
- }
- if (reset_gazel(cs)) {
- printk(KERN_WARNING "Gazel: wrong IRQ\n");
- release_io_gazel(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 = &Gazel_card_msg;
-
- switch (cs->subtyp) {
- case R647:
- case R685:
- cs->irq_func = &gazel_interrupt;
- ISACVersion(cs, "Gazel:");
- if (HscxVersion(cs, "Gazel:")) {
- printk(KERN_WARNING
- "Gazel: wrong HSCX versions check IO address\n");
- release_io_gazel(cs);
- return (0);
- }
- break;
- case R742:
- case R753:
- cs->irq_func = &gazel_interrupt_ipac;
- val = ReadISAC(cs, IPAC_ID - 0x80);
- printk(KERN_INFO "Gazel: IPAC version %x\n", val);
- break;
- }
-
- return (1);
-}
generated by cgit (git 2.34.1) at 2024-05-06 22:04:01 +0000