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path: root/drivers/isdn/hisax/isurf.c
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Diffstat (limited to 'drivers/isdn/hisax/isurf.c')
-rw-r--r--drivers/isdn/hisax/isurf.c305
1 files changed, 0 insertions, 305 deletions
diff --git a/drivers/isdn/hisax/isurf.c b/drivers/isdn/hisax/isurf.c
deleted file mode 100644
index 53e299be4304..000000000000
--- a/drivers/isdn/hisax/isurf.c
+++ /dev/null
@@ -1,305 +0,0 @@
-/* $Id: isurf.c,v 1.12.2.4 2004/01/13 21:46:03 keil Exp $
- *
- * low level stuff for Siemens I-Surf/I-Talk 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.
- *
- */
-
-#include <linux/init.h>
-#include "hisax.h"
-#include "isac.h"
-#include "isar.h"
-#include "isdnl1.h"
-#include <linux/isapnp.h>
-
-static const char *ISurf_revision = "$Revision: 1.12.2.4 $";
-
-#define byteout(addr, val) outb(val, addr)
-#define bytein(addr) inb(addr)
-
-#define ISURF_ISAR_RESET 1
-#define ISURF_ISAC_RESET 2
-#define ISURF_ISAR_EA 4
-#define ISURF_ARCOFI_RESET 8
-#define ISURF_RESET (ISURF_ISAR_RESET | ISURF_ISAC_RESET | ISURF_ARCOFI_RESET)
-
-#define ISURF_ISAR_OFFSET 0
-#define ISURF_ISAC_OFFSET 0x100
-#define ISURF_IOMEM_SIZE 0x400
-/* Interface functions */
-
-static u_char
-ReadISAC(struct IsdnCardState *cs, u_char offset)
-{
- return (readb(cs->hw.isurf.isac + offset));
-}
-
-static void
-WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
-{
- writeb(value, cs->hw.isurf.isac + offset); mb();
-}
-
-static void
-ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
-{
- register int i;
- for (i = 0; i < size; i++)
- data[i] = readb(cs->hw.isurf.isac);
-}
-
-static void
-WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
-{
- register int i;
- for (i = 0; i < size; i++) {
- writeb(data[i], cs->hw.isurf.isac); mb();
- }
-}
-
-/* ISAR access routines
- * mode = 0 access with IRQ on
- * mode = 1 access with IRQ off
- * mode = 2 access with IRQ off and using last offset
- */
-
-static u_char
-ReadISAR(struct IsdnCardState *cs, int mode, u_char offset)
-{
- return (readb(cs->hw.isurf.isar + offset));
-}
-
-static void
-WriteISAR(struct IsdnCardState *cs, int mode, u_char offset, u_char value)
-{
- writeb(value, cs->hw.isurf.isar + offset); mb();
-}
-
-static irqreturn_t
-isurf_interrupt(int intno, void *dev_id)
-{
- struct IsdnCardState *cs = dev_id;
- u_char val;
- int cnt = 5;
- u_long flags;
-
- spin_lock_irqsave(&cs->lock, flags);
- val = readb(cs->hw.isurf.isar + ISAR_IRQBIT);
-Start_ISAR:
- if (val & ISAR_IRQSTA)
- isar_int_main(cs);
- val = readb(cs->hw.isurf.isac + ISAC_ISTA);
-Start_ISAC:
- if (val)
- isac_interrupt(cs, val);
- val = readb(cs->hw.isurf.isar + ISAR_IRQBIT);
- if ((val & ISAR_IRQSTA) && --cnt) {
- if (cs->debug & L1_DEB_HSCX)
- debugl1(cs, "ISAR IntStat after IntRoutine");
- goto Start_ISAR;
- }
- val = readb(cs->hw.isurf.isac + ISAC_ISTA);
- if (val && --cnt) {
- if (cs->debug & L1_DEB_ISAC)
- debugl1(cs, "ISAC IntStat after IntRoutine");
- goto Start_ISAC;
- }
- if (!cnt)
- printk(KERN_WARNING "ISurf IRQ LOOP\n");
-
- writeb(0, cs->hw.isurf.isar + ISAR_IRQBIT); mb();
- writeb(0xFF, cs->hw.isurf.isac + ISAC_MASK); mb();
- writeb(0, cs->hw.isurf.isac + ISAC_MASK); mb();
- writeb(ISAR_IRQMSK, cs->hw.isurf.isar + ISAR_IRQBIT); mb();
- spin_unlock_irqrestore(&cs->lock, flags);
- return IRQ_HANDLED;
-}
-
-static void
-release_io_isurf(struct IsdnCardState *cs)
-{
- release_region(cs->hw.isurf.reset, 1);
- iounmap(cs->hw.isurf.isar);
- release_mem_region(cs->hw.isurf.phymem, ISURF_IOMEM_SIZE);
-}
-
-static void
-reset_isurf(struct IsdnCardState *cs, u_char chips)
-{
- printk(KERN_INFO "ISurf: resetting card\n");
-
- byteout(cs->hw.isurf.reset, chips); /* Reset On */
- mdelay(10);
- byteout(cs->hw.isurf.reset, ISURF_ISAR_EA); /* Reset Off */
- mdelay(10);
-}
-
-static int
-ISurf_card_msg(struct IsdnCardState *cs, int mt, void *arg)
-{
- u_long flags;
-
- switch (mt) {
- case CARD_RESET:
- spin_lock_irqsave(&cs->lock, flags);
- reset_isurf(cs, ISURF_RESET);
- spin_unlock_irqrestore(&cs->lock, flags);
- return (0);
- case CARD_RELEASE:
- release_io_isurf(cs);
- return (0);
- case CARD_INIT:
- spin_lock_irqsave(&cs->lock, flags);
- reset_isurf(cs, ISURF_RESET);
- clear_pending_isac_ints(cs);
- writeb(0, cs->hw.isurf.isar + ISAR_IRQBIT); mb();
- initisac(cs);
- initisar(cs);
- /* Reenable ISAC IRQ */
- cs->writeisac(cs, ISAC_MASK, 0);
- /* RESET Receiver and Transmitter */
- cs->writeisac(cs, ISAC_CMDR, 0x41);
- spin_unlock_irqrestore(&cs->lock, flags);
- return (0);
- case CARD_TEST:
- return (0);
- }
- return (0);
-}
-
-static int
-isurf_auxcmd(struct IsdnCardState *cs, isdn_ctrl *ic) {
- int ret;
- u_long flags;
-
- if ((ic->command == ISDN_CMD_IOCTL) && (ic->arg == 9)) {
- ret = isar_auxcmd(cs, ic);
- spin_lock_irqsave(&cs->lock, flags);
- if (!ret) {
- reset_isurf(cs, ISURF_ISAR_EA | ISURF_ISAC_RESET |
- ISURF_ARCOFI_RESET);
- initisac(cs);
- cs->writeisac(cs, ISAC_MASK, 0);
- cs->writeisac(cs, ISAC_CMDR, 0x41);
- }
- spin_unlock_irqrestore(&cs->lock, flags);
- return (ret);
- }
- return (isar_auxcmd(cs, ic));
-}
-
-#ifdef __ISAPNP__
-static struct pnp_card *pnp_c = NULL;
-#endif
-
-int setup_isurf(struct IsdnCard *card)
-{
- int ver;
- struct IsdnCardState *cs = card->cs;
- char tmp[64];
-
- strcpy(tmp, ISurf_revision);
- printk(KERN_INFO "HiSax: ISurf driver Rev. %s\n", HiSax_getrev(tmp));
-
- if (cs->typ != ISDN_CTYPE_ISURF)
- return (0);
- if (card->para[1] && card->para[2]) {
- cs->hw.isurf.reset = card->para[1];
- cs->hw.isurf.phymem = card->para[2];
- cs->irq = card->para[0];
- } else {
-#ifdef __ISAPNP__
- if (isapnp_present()) {
- struct pnp_dev *pnp_d = NULL;
- int err;
-
- cs->subtyp = 0;
- if ((pnp_c = pnp_find_card(
- ISAPNP_VENDOR('S', 'I', 'E'),
- ISAPNP_FUNCTION(0x0010), pnp_c))) {
- if (!(pnp_d = pnp_find_dev(pnp_c,
- ISAPNP_VENDOR('S', 'I', 'E'),
- ISAPNP_FUNCTION(0x0010), pnp_d))) {
- printk(KERN_ERR "ISurfPnP: PnP error card found, no device\n");
- return (0);
- }
- pnp_disable_dev(pnp_d);
- err = pnp_activate_dev(pnp_d);
- if (err < 0) {
- pr_warn("%s: pnp_activate_dev ret=%d\n",
- __func__, err);
- return 0;
- }
- cs->hw.isurf.reset = pnp_port_start(pnp_d, 0);
- cs->hw.isurf.phymem = pnp_mem_start(pnp_d, 1);
- cs->irq = pnp_irq(pnp_d, 0);
- if (cs->irq == -1 || !cs->hw.isurf.reset || !cs->hw.isurf.phymem) {
- printk(KERN_ERR "ISurfPnP:some resources are missing %d/%x/%lx\n",
- cs->irq, cs->hw.isurf.reset, cs->hw.isurf.phymem);
- pnp_disable_dev(pnp_d);
- return (0);
- }
- } else {
- printk(KERN_INFO "ISurfPnP: no ISAPnP card found\n");
- return (0);
- }
- } else {
- printk(KERN_INFO "ISurfPnP: no ISAPnP bus found\n");
- return (0);
- }
-#else
- printk(KERN_WARNING "HiSax: Siemens I-Surf port/mem not set\n");
- return (0);
-#endif
- }
- if (!request_region(cs->hw.isurf.reset, 1, "isurf isdn")) {
- printk(KERN_WARNING
- "HiSax: Siemens I-Surf config port %x already in use\n",
- cs->hw.isurf.reset);
- return (0);
- }
- if (!request_region(cs->hw.isurf.phymem, ISURF_IOMEM_SIZE, "isurf iomem")) {
- printk(KERN_WARNING "HiSax: Siemens I-Surf memory region "
- "%lx-%lx already in use\n",
- cs->hw.isurf.phymem,
- cs->hw.isurf.phymem + ISURF_IOMEM_SIZE);
- release_region(cs->hw.isurf.reset, 1);
- return (0);
- }
- cs->hw.isurf.isar = ioremap(cs->hw.isurf.phymem, ISURF_IOMEM_SIZE);
- cs->hw.isurf.isac = cs->hw.isurf.isar + ISURF_ISAC_OFFSET;
- printk(KERN_INFO
- "ISurf: defined at 0x%x 0x%lx IRQ %d\n",
- cs->hw.isurf.reset,
- cs->hw.isurf.phymem,
- cs->irq);
-
- setup_isac(cs);
- cs->cardmsg = &ISurf_card_msg;
- cs->irq_func = &isurf_interrupt;
- cs->auxcmd = &isurf_auxcmd;
- cs->readisac = &ReadISAC;
- cs->writeisac = &WriteISAC;
- cs->readisacfifo = &ReadISACfifo;
- cs->writeisacfifo = &WriteISACfifo;
- cs->bcs[0].hw.isar.reg = &cs->hw.isurf.isar_r;
- cs->bcs[1].hw.isar.reg = &cs->hw.isurf.isar_r;
- test_and_set_bit(HW_ISAR, &cs->HW_Flags);
- ISACVersion(cs, "ISurf:");
- cs->BC_Read_Reg = &ReadISAR;
- cs->BC_Write_Reg = &WriteISAR;
- cs->BC_Send_Data = &isar_fill_fifo;
- ver = ISARVersion(cs, "ISurf:");
- if (ver < 0) {
- printk(KERN_WARNING
- "ISurf: wrong ISAR version (ret = %d)\n", ver);
- release_io_isurf(cs);
- return (0);
- }
- return (1);
-}