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path: root/drivers/isdn/hisax/bkm_a4t.c
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Diffstat (limited to 'drivers/isdn/hisax/bkm_a4t.c')
-rw-r--r--drivers/isdn/hisax/bkm_a4t.c358
1 files changed, 0 insertions, 358 deletions
diff --git a/drivers/isdn/hisax/bkm_a4t.c b/drivers/isdn/hisax/bkm_a4t.c
deleted file mode 100644
index c360164bde1b..000000000000
--- a/drivers/isdn/hisax/bkm_a4t.c
+++ /dev/null
@@ -1,358 +0,0 @@
-/* $Id: bkm_a4t.c,v 1.22.2.4 2004/01/14 16:04:48 keil Exp $
- *
- * low level stuff for T-Berkom A4T
- *
- * Author Roland Klabunde
- * Copyright by Roland Klabunde <R.Klabunde@Berkom.de>
- *
- * 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 "jade.h"
-#include "isdnl1.h"
-#include <linux/pci.h>
-#include "bkm_ax.h"
-
-static const char *bkm_a4t_revision = "$Revision: 1.22.2.4 $";
-
-
-static inline u_char
-readreg(unsigned int ale, unsigned long adr, u_char off)
-{
- register u_int ret;
- unsigned int *po = (unsigned int *) adr; /* Postoffice */
-
- *po = (GCS_2 | PO_WRITE | off);
- __WAITI20__(po);
- *po = (ale | PO_READ);
- __WAITI20__(po);
- ret = *po;
- return ((unsigned char) ret);
-}
-
-
-static inline void
-readfifo(unsigned int ale, unsigned long adr, u_char off, u_char *data, int size)
-{
- int i;
- for (i = 0; i < size; i++)
- *data++ = readreg(ale, adr, off);
-}
-
-
-static inline void
-writereg(unsigned int ale, unsigned long adr, u_char off, u_char data)
-{
- unsigned int *po = (unsigned int *) adr; /* Postoffice */
- *po = (GCS_2 | PO_WRITE | off);
- __WAITI20__(po);
- *po = (ale | PO_WRITE | data);
- __WAITI20__(po);
-}
-
-
-static inline void
-writefifo(unsigned int ale, unsigned long adr, u_char off, u_char *data, int size)
-{
- int i;
-
- for (i = 0; i < size; i++)
- writereg(ale, adr, off, *data++);
-}
-
-
-/* Interface functions */
-
-static u_char
-ReadISAC(struct IsdnCardState *cs, u_char offset)
-{
- return (readreg(cs->hw.ax.isac_ale, cs->hw.ax.isac_adr, offset));
-}
-
-static void
-WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
-{
- writereg(cs->hw.ax.isac_ale, cs->hw.ax.isac_adr, offset, value);
-}
-
-static void
-ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
-{
- readfifo(cs->hw.ax.isac_ale, cs->hw.ax.isac_adr, 0, data, size);
-}
-
-static void
-WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
-{
- writefifo(cs->hw.ax.isac_ale, cs->hw.ax.isac_adr, 0, data, size);
-}
-
-static u_char
-ReadJADE(struct IsdnCardState *cs, int jade, u_char offset)
-{
- return (readreg(cs->hw.ax.jade_ale, cs->hw.ax.jade_adr, offset + (jade == -1 ? 0 : (jade ? 0xC0 : 0x80))));
-}
-
-static void
-WriteJADE(struct IsdnCardState *cs, int jade, u_char offset, u_char value)
-{
- writereg(cs->hw.ax.jade_ale, cs->hw.ax.jade_adr, offset + (jade == -1 ? 0 : (jade ? 0xC0 : 0x80)), value);
-}
-
-/*
- * fast interrupt JADE stuff goes here
- */
-
-#define READJADE(cs, nr, reg) readreg(cs->hw.ax.jade_ale, \
- cs->hw.ax.jade_adr, reg + (nr == -1 ? 0 : (nr ? 0xC0 : 0x80)))
-#define WRITEJADE(cs, nr, reg, data) writereg(cs->hw.ax.jade_ale, \
- cs->hw.ax.jade_adr, reg + (nr == -1 ? 0 : (nr ? 0xC0 : 0x80)), data)
-
-#define READJADEFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.ax.jade_ale, \
- cs->hw.ax.jade_adr, (nr == -1 ? 0 : (nr ? 0xC0 : 0x80)), ptr, cnt)
-#define WRITEJADEFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.ax.jade_ale, \
- cs->hw.ax.jade_adr, (nr == -1 ? 0 : (nr ? 0xC0 : 0x80)), ptr, cnt)
-
-#include "jade_irq.c"
-
-static irqreturn_t
-bkm_interrupt(int intno, void *dev_id)
-{
- struct IsdnCardState *cs = dev_id;
- u_char val = 0;
- u_long flags;
- I20_REGISTER_FILE *pI20_Regs;
-
- spin_lock_irqsave(&cs->lock, flags);
- pI20_Regs = (I20_REGISTER_FILE *) (cs->hw.ax.base);
-
- /* ISDN interrupt pending? */
- if (pI20_Regs->i20IntStatus & intISDN) {
- /* Reset the ISDN interrupt */
- pI20_Regs->i20IntStatus = intISDN;
- /* Disable ISDN interrupt */
- pI20_Regs->i20IntCtrl &= ~intISDN;
- /* Channel A first */
- val = readreg(cs->hw.ax.jade_ale, cs->hw.ax.jade_adr, jade_HDLC_ISR + 0x80);
- if (val) {
- jade_int_main(cs, val, 0);
- }
- /* Channel B */
- val = readreg(cs->hw.ax.jade_ale, cs->hw.ax.jade_adr, jade_HDLC_ISR + 0xC0);
- if (val) {
- jade_int_main(cs, val, 1);
- }
- /* D-Channel */
- val = readreg(cs->hw.ax.isac_ale, cs->hw.ax.isac_adr, ISAC_ISTA);
- if (val) {
- isac_interrupt(cs, val);
- }
- /* Reenable ISDN interrupt */
- pI20_Regs->i20IntCtrl |= intISDN;
- spin_unlock_irqrestore(&cs->lock, flags);
- return IRQ_HANDLED;
- } else {
- spin_unlock_irqrestore(&cs->lock, flags);
- return IRQ_NONE;
- }
-}
-
-static void
-release_io_bkm(struct IsdnCardState *cs)
-{
- if (cs->hw.ax.base) {
- iounmap((void *) cs->hw.ax.base);
- cs->hw.ax.base = 0;
- }
-}
-
-static void
-enable_bkm_int(struct IsdnCardState *cs, unsigned bEnable)
-{
- if (cs->typ == ISDN_CTYPE_BKM_A4T) {
- I20_REGISTER_FILE *pI20_Regs = (I20_REGISTER_FILE *) (cs->hw.ax.base);
- if (bEnable)
- pI20_Regs->i20IntCtrl |= (intISDN | intPCI);
- else
- /* CAUTION: This disables the video capture driver too */
- pI20_Regs->i20IntCtrl &= ~(intISDN | intPCI);
- }
-}
-
-static void
-reset_bkm(struct IsdnCardState *cs)
-{
- if (cs->typ == ISDN_CTYPE_BKM_A4T) {
- I20_REGISTER_FILE *pI20_Regs = (I20_REGISTER_FILE *) (cs->hw.ax.base);
- /* Issue the I20 soft reset */
- pI20_Regs->i20SysControl = 0xFF; /* all in */
- mdelay(10);
- /* Remove the soft reset */
- pI20_Regs->i20SysControl = sysRESET | 0xFF;
- mdelay(10);
- /* Set our configuration */
- pI20_Regs->i20SysControl = sysRESET | sysCFG;
- /* Issue ISDN reset */
- pI20_Regs->i20GuestControl = guestWAIT_CFG |
- g_A4T_JADE_RES |
- g_A4T_ISAR_RES |
- g_A4T_ISAC_RES |
- g_A4T_JADE_BOOTR |
- g_A4T_ISAR_BOOTR;
- mdelay(10);
-
- /* Remove RESET state from ISDN */
- pI20_Regs->i20GuestControl &= ~(g_A4T_ISAC_RES |
- g_A4T_JADE_RES |
- g_A4T_ISAR_RES);
- mdelay(10);
- }
-}
-
-static int
-BKM_card_msg(struct IsdnCardState *cs, int mt, void *arg)
-{
- u_long flags;
-
- switch (mt) {
- case CARD_RESET:
- /* Disable ints */
- spin_lock_irqsave(&cs->lock, flags);
- enable_bkm_int(cs, 0);
- reset_bkm(cs);
- spin_unlock_irqrestore(&cs->lock, flags);
- return (0);
- case CARD_RELEASE:
- /* Sanity */
- spin_lock_irqsave(&cs->lock, flags);
- enable_bkm_int(cs, 0);
- reset_bkm(cs);
- spin_unlock_irqrestore(&cs->lock, flags);
- release_io_bkm(cs);
- return (0);
- case CARD_INIT:
- spin_lock_irqsave(&cs->lock, flags);
- clear_pending_isac_ints(cs);
- clear_pending_jade_ints(cs);
- initisac(cs);
- initjade(cs);
- /* Enable ints */
- enable_bkm_int(cs, 1);
- spin_unlock_irqrestore(&cs->lock, flags);
- return (0);
- case CARD_TEST:
- return (0);
- }
- return (0);
-}
-
-static int a4t_pci_probe(struct pci_dev *dev_a4t, struct IsdnCardState *cs,
- u_int *found, u_int *pci_memaddr)
-{
- u16 sub_sys;
- u16 sub_vendor;
-
- sub_vendor = dev_a4t->subsystem_vendor;
- sub_sys = dev_a4t->subsystem_device;
- if ((sub_sys == PCI_DEVICE_ID_BERKOM_A4T) && (sub_vendor == PCI_VENDOR_ID_BERKOM)) {
- if (pci_enable_device(dev_a4t))
- return (0); /* end loop & function */
- *found = 1;
- *pci_memaddr = pci_resource_start(dev_a4t, 0);
- cs->irq = dev_a4t->irq;
- return (1); /* end loop */
- }
-
- return (-1); /* continue looping */
-}
-
-static int a4t_cs_init(struct IsdnCard *card, struct IsdnCardState *cs,
- u_int pci_memaddr)
-{
- I20_REGISTER_FILE *pI20_Regs;
-
- if (!cs->irq) { /* IRQ range check ?? */
- printk(KERN_WARNING "HiSax: Telekom A4T: No IRQ\n");
- return (0);
- }
- cs->hw.ax.base = (long) ioremap(pci_memaddr, 4096);
- /* Check suspecious address */
- pI20_Regs = (I20_REGISTER_FILE *) (cs->hw.ax.base);
- if ((pI20_Regs->i20IntStatus & 0x8EFFFFFF) != 0) {
- printk(KERN_WARNING "HiSax: Telekom A4T address "
- "%lx-%lx suspicious\n",
- cs->hw.ax.base, cs->hw.ax.base + 4096);
- iounmap((void *) cs->hw.ax.base);
- cs->hw.ax.base = 0;
- return (0);
- }
- cs->hw.ax.isac_adr = cs->hw.ax.base + PO_OFFSET;
- cs->hw.ax.jade_adr = cs->hw.ax.base + PO_OFFSET;
- cs->hw.ax.isac_ale = GCS_1;
- cs->hw.ax.jade_ale = GCS_3;
-
- printk(KERN_INFO "HiSax: Telekom A4T: Card configured at "
- "0x%lX IRQ %d\n",
- cs->hw.ax.base, cs->irq);
-
- setup_isac(cs);
- cs->readisac = &ReadISAC;
- cs->writeisac = &WriteISAC;
- cs->readisacfifo = &ReadISACfifo;
- cs->writeisacfifo = &WriteISACfifo;
- cs->BC_Read_Reg = &ReadJADE;
- cs->BC_Write_Reg = &WriteJADE;
- cs->BC_Send_Data = &jade_fill_fifo;
- cs->cardmsg = &BKM_card_msg;
- cs->irq_func = &bkm_interrupt;
- cs->irq_flags |= IRQF_SHARED;
- ISACVersion(cs, "Telekom A4T:");
- /* Jade version */
- JadeVersion(cs, "Telekom A4T:");
-
- return (1);
-}
-
-static struct pci_dev *dev_a4t = NULL;
-
-int setup_bkm_a4t(struct IsdnCard *card)
-{
- struct IsdnCardState *cs = card->cs;
- char tmp[64];
- u_int pci_memaddr = 0, found = 0;
- int ret;
-
- strcpy(tmp, bkm_a4t_revision);
- printk(KERN_INFO "HiSax: T-Berkom driver Rev. %s\n", HiSax_getrev(tmp));
- if (cs->typ == ISDN_CTYPE_BKM_A4T) {
- cs->subtyp = BKM_A4T;
- } else
- return (0);
-
- while ((dev_a4t = hisax_find_pci_device(PCI_VENDOR_ID_ZORAN,
- PCI_DEVICE_ID_ZORAN_36120, dev_a4t))) {
- ret = a4t_pci_probe(dev_a4t, cs, &found, &pci_memaddr);
- if (!ret)
- return (0);
- if (ret > 0)
- break;
- }
- if (!found) {
- printk(KERN_WARNING "HiSax: Telekom A4T: Card not found\n");
- return (0);
- }
- if (!pci_memaddr) {
- printk(KERN_WARNING "HiSax: Telekom A4T: "
- "No Memory base address\n");
- return (0);
- }
-
- return a4t_cs_init(card, cs, pci_memaddr);
-}