isdn: i4l: move active-isdn drivers to staging

The icn, act2000 and pcbit drivers are all for very old hardware,
and it is highly unlikely that anyone is actually still using them
on modern kernels, if at all.

All three drivers apparently are for hardware that predates PCI
being the common connector, as they are ISA-only and active
PCI ISDN cards were widely available in the 1990s.

Looking through the git logs, it I cannot find any indication of a
patch to any of these drivers that has been tested on real hardware,
only cleanups or global API changes.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Karsten Keil <isdn@linux-pingi.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 0 insertions, 443 deletions

diff --git a/drivers/isdn/act2000/act2000_isa.c b/drivers/isdn/act2000/act2000_isa.c
deleted file mode 100644
index b5fad29a9ba6..000000000000
--- a/drivers/isdn/act2000/act2000_isa.c
+++ /dev/null
@@ -1,443 +0,0 @@
-/* $Id: act2000_isa.c,v 1.11.6.3 2001/09/23 22:24:32 kai Exp $
- *
- * ISDN lowlevel-module for the IBM ISDN-S0 Active 2000 (ISA-Version).
- *
- * Author       Fritz Elfert
- * Copyright    by Fritz Elfert      <fritz@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 Friedemann Baitinger and IBM Germany
- *
- */
-
-#include "act2000.h"
-#include "act2000_isa.h"
-#include "capi.h"
-
-/*
- * Reset Controller, then try to read the Card's signature.
- + Return:
- *   1 = Signature found.
- *   0 = Signature not found.
- */
-static int
-act2000_isa_reset(unsigned short portbase)
-{
-	unsigned char reg;
-	int i;
-	int found;
-	int serial = 0;
-
-	found = 0;
-	if ((reg = inb(portbase + ISA_COR)) != 0xff) {
-		outb(reg | ISA_COR_RESET, portbase + ISA_COR);
-		mdelay(10);
-		outb(reg, portbase + ISA_COR);
-		mdelay(10);
-
-		for (i = 0; i < 16; i++) {
-			if (inb(portbase + ISA_ISR) & ISA_ISR_SERIAL)
-				serial |= 0x10000;
-			serial >>= 1;
-		}
-		if (serial == ISA_SER_ID)
-			found++;
-	}
-	return found;
-}
-
-int
-act2000_isa_detect(unsigned short portbase)
-{
-	int ret = 0;
-
-	if (request_region(portbase, ACT2000_PORTLEN, "act2000isa")) {
-		ret = act2000_isa_reset(portbase);
-		release_region(portbase, ISA_REGION);
-	}
-	return ret;
-}
-
-static irqreturn_t
-act2000_isa_interrupt(int dummy, void *dev_id)
-{
-	act2000_card *card = dev_id;
-	u_char istatus;
-
-	istatus = (inb(ISA_PORT_ISR) & 0x07);
-	if (istatus & ISA_ISR_OUT) {
-		/* RX fifo has data */
-		istatus &= ISA_ISR_OUT_MASK;
-		outb(0, ISA_PORT_SIS);
-		act2000_isa_receive(card);
-		outb(ISA_SIS_INT, ISA_PORT_SIS);
-	}
-	if (istatus & ISA_ISR_ERR) {
-		/* Error Interrupt */
-		istatus &= ISA_ISR_ERR_MASK;
-		printk(KERN_WARNING "act2000: errIRQ\n");
-	}
-	if (istatus)
-		printk(KERN_DEBUG "act2000: ?IRQ %d %02x\n", card->irq, istatus);
-	return IRQ_HANDLED;
-}
-
-static void
-act2000_isa_select_irq(act2000_card *card)
-{
-	unsigned char reg;
-
-	reg = (inb(ISA_PORT_COR) & ~ISA_COR_IRQOFF) | ISA_COR_PERR;
-	switch (card->irq) {
-	case 3:
-		reg = ISA_COR_IRQ03;
-		break;
-	case 5:
-		reg = ISA_COR_IRQ05;
-		break;
-	case 7:
-		reg = ISA_COR_IRQ07;
-		break;
-	case 10:
-		reg = ISA_COR_IRQ10;
-		break;
-	case 11:
-		reg = ISA_COR_IRQ11;
-		break;
-	case 12:
-		reg = ISA_COR_IRQ12;
-		break;
-	case 15:
-		reg = ISA_COR_IRQ15;
-		break;
-	}
-	outb(reg, ISA_PORT_COR);
-}
-
-static void
-act2000_isa_enable_irq(act2000_card *card)
-{
-	act2000_isa_select_irq(card);
-	/* Enable READ irq */
-	outb(ISA_SIS_INT, ISA_PORT_SIS);
-}
-
-/*
- * Install interrupt handler, enable irq on card.
- * If irq is -1, choose next free irq, else irq is given explicitly.
- */
-int
-act2000_isa_config_irq(act2000_card *card, short irq)
-{
-	int old_irq;
-
-	if (card->flags & ACT2000_FLAGS_IVALID) {
-		free_irq(card->irq, card);
-	}
-	card->flags &= ~ACT2000_FLAGS_IVALID;
-	outb(ISA_COR_IRQOFF, ISA_PORT_COR);
-	if (!irq)
-		return 0;
-
-	old_irq = card->irq;
-	card->irq = irq;
-	if (request_irq(irq, &act2000_isa_interrupt, 0, card->regname, card)) {
-		card->irq = old_irq;
-		card->flags |= ACT2000_FLAGS_IVALID;
-		printk(KERN_WARNING
-		       "act2000: Could not request irq %d\n", irq);
-		return -EBUSY;
-	} else {
-		act2000_isa_select_irq(card);
-		/* Disable READ and WRITE irq */
-		outb(0, ISA_PORT_SIS);
-		outb(0, ISA_PORT_SOS);
-	}
-	return 0;
-}
-
-int
-act2000_isa_config_port(act2000_card *card, unsigned short portbase)
-{
-	if (card->flags & ACT2000_FLAGS_PVALID) {
-		release_region(card->port, ISA_REGION);
-		card->flags &= ~ACT2000_FLAGS_PVALID;
-	}
-	if (request_region(portbase, ACT2000_PORTLEN, card->regname) == NULL)
-		return -EBUSY;
-	else {
-		card->port = portbase;
-		card->flags |= ACT2000_FLAGS_PVALID;
-		return 0;
-	}
-}
-
-/*
- * Release ressources, used by an adaptor.
- */
-void
-act2000_isa_release(act2000_card *card)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&card->lock, flags);
-	if (card->flags & ACT2000_FLAGS_IVALID)
-		free_irq(card->irq, card);
-
-	card->flags &= ~ACT2000_FLAGS_IVALID;
-	if (card->flags & ACT2000_FLAGS_PVALID)
-		release_region(card->port, ISA_REGION);
-	card->flags &= ~ACT2000_FLAGS_PVALID;
-	spin_unlock_irqrestore(&card->lock, flags);
-}
-
-static int
-act2000_isa_writeb(act2000_card *card, u_char data)
-{
-	u_char timeout = 40;
-
-	while (timeout) {
-		if (inb(ISA_PORT_SOS) & ISA_SOS_READY) {
-			outb(data, ISA_PORT_SDO);
-			return 0;
-		} else {
-			timeout--;
-			udelay(10);
-		}
-	}
-	return 1;
-}
-
-static int
-act2000_isa_readb(act2000_card *card, u_char *data)
-{
-	u_char timeout = 40;
-
-	while (timeout) {
-		if (inb(ISA_PORT_SIS) & ISA_SIS_READY) {
-			*data = inb(ISA_PORT_SDI);
-			return 0;
-		} else {
-			timeout--;
-			udelay(10);
-		}
-	}
-	return 1;
-}
-
-void
-act2000_isa_receive(act2000_card *card)
-{
-	u_char c;
-
-	if (test_and_set_bit(ACT2000_LOCK_RX, (void *) &card->ilock) != 0)
-		return;
-	while (!act2000_isa_readb(card, &c)) {
-		if (card->idat.isa.rcvidx < 8) {
-			card->idat.isa.rcvhdr[card->idat.isa.rcvidx++] = c;
-			if (card->idat.isa.rcvidx == 8) {
-				int valid = actcapi_chkhdr(card, (actcapi_msghdr *)&card->idat.isa.rcvhdr);
-
-				if (valid) {
-					card->idat.isa.rcvlen = ((actcapi_msghdr *)&card->idat.isa.rcvhdr)->len;
-					card->idat.isa.rcvskb = dev_alloc_skb(card->idat.isa.rcvlen);
-					if (card->idat.isa.rcvskb == NULL) {
-						card->idat.isa.rcvignore = 1;
-						printk(KERN_WARNING
-						       "act2000_isa_receive: no memory\n");
-						test_and_clear_bit(ACT2000_LOCK_RX, (void *) &card->ilock);
-						return;
-					}
-					memcpy(skb_put(card->idat.isa.rcvskb, 8), card->idat.isa.rcvhdr, 8);
-					card->idat.isa.rcvptr = skb_put(card->idat.isa.rcvskb, card->idat.isa.rcvlen - 8);
-				} else {
-					card->idat.isa.rcvidx = 0;
-					printk(KERN_WARNING
-					       "act2000_isa_receive: Invalid CAPI msg\n");
-					{
-						int i; __u8 *p; __u8 *t; __u8 tmp[30];
-						for (i = 0, p = (__u8 *)&card->idat.isa.rcvhdr, t = tmp; i < 8; i++)
-							t += sprintf(t, "%02x ", *(p++));
-						printk(KERN_WARNING "act2000_isa_receive: %s\n", tmp);
-					}
-				}
-			}
-		} else {
-			if (!card->idat.isa.rcvignore)
-				*card->idat.isa.rcvptr++ = c;
-			if (++card->idat.isa.rcvidx >= card->idat.isa.rcvlen) {
-				if (!card->idat.isa.rcvignore) {
-					skb_queue_tail(&card->rcvq, card->idat.isa.rcvskb);
-					act2000_schedule_rx(card);
-				}
-				card->idat.isa.rcvidx = 0;
-				card->idat.isa.rcvlen = 8;
-				card->idat.isa.rcvignore = 0;
-				card->idat.isa.rcvskb = NULL;
-				card->idat.isa.rcvptr = card->idat.isa.rcvhdr;
-			}
-		}
-	}
-	if (!(card->flags & ACT2000_FLAGS_IVALID)) {
-		/* In polling mode, schedule myself */
-		if ((card->idat.isa.rcvidx) &&
-		    (card->idat.isa.rcvignore ||
-		     (card->idat.isa.rcvidx < card->idat.isa.rcvlen)))
-			act2000_schedule_poll(card);
-	}
-	test_and_clear_bit(ACT2000_LOCK_RX, (void *) &card->ilock);
-}
-
-void
-act2000_isa_send(act2000_card *card)
-{
-	unsigned long flags;
-	struct sk_buff *skb;
-	actcapi_msg *msg;
-	int l;
-
-	if (test_and_set_bit(ACT2000_LOCK_TX, (void *) &card->ilock) != 0)
-		return;
-	while (1) {
-		spin_lock_irqsave(&card->lock, flags);
-		if (!(card->sbuf)) {
-			if ((card->sbuf = skb_dequeue(&card->sndq))) {
-				card->ack_msg = card->sbuf->data;
-				msg = (actcapi_msg *)card->sbuf->data;
-				if ((msg->hdr.cmd.cmd == 0x86) &&
-				    (msg->hdr.cmd.subcmd == 0)) {
-					/* Save flags in message */
-					card->need_b3ack = msg->msg.data_b3_req.flags;
-					msg->msg.data_b3_req.flags = 0;
-				}
-			}
-		}
-		spin_unlock_irqrestore(&card->lock, flags);
-		if (!(card->sbuf)) {
-			/* No more data to send */
-			test_and_clear_bit(ACT2000_LOCK_TX, (void *) &card->ilock);
-			return;
-		}
-		skb = card->sbuf;
-		l = 0;
-		while (skb->len) {
-			if (act2000_isa_writeb(card, *(skb->data))) {
-				/* Fifo is full, but more data to send */
-				test_and_clear_bit(ACT2000_LOCK_TX, (void *) &card->ilock);
-				/* Schedule myself */
-				act2000_schedule_tx(card);
-				return;
-			}
-			skb_pull(skb, 1);
-			l++;
-		}
-		msg = (actcapi_msg *)card->ack_msg;
-		if ((msg->hdr.cmd.cmd == 0x86) &&
-		    (msg->hdr.cmd.subcmd == 0)) {
-			/*
-			 * If it's user data, reset data-ptr
-			 * and put skb into ackq.
-			 */
-			skb->data = card->ack_msg;
-			/* Restore flags in message */
-			msg->msg.data_b3_req.flags = card->need_b3ack;
-			skb_queue_tail(&card->ackq, skb);
-		} else
-			dev_kfree_skb(skb);
-		card->sbuf = NULL;
-	}
-}
-
-/*
- * Get firmware ID, check for 'ISDN' signature.
- */
-static int
-act2000_isa_getid(act2000_card *card)
-{
-
-	act2000_fwid fid;
-	u_char *p = (u_char *)&fid;
-	int count = 0;
-
-	while (1) {
-		if (count > 510)
-			return -EPROTO;
-		if (act2000_isa_readb(card, p++))
-			break;
-		count++;
-	}
-	if (count <= 20) {
-		printk(KERN_WARNING "act2000: No Firmware-ID!\n");
-		return -ETIME;
-	}
-	*p = '\0';
-	fid.revlen[0] = '\0';
-	if (strcmp(fid.isdn, "ISDN")) {
-		printk(KERN_WARNING "act2000: Wrong Firmware-ID!\n");
-		return -EPROTO;
-	}
-	if ((p = strchr(fid.revision, '\n')))
-		*p = '\0';
-	printk(KERN_INFO "act2000: Firmware-ID: %s\n", fid.revision);
-	if (card->flags & ACT2000_FLAGS_IVALID) {
-		printk(KERN_DEBUG "Enabling Interrupts ...\n");
-		act2000_isa_enable_irq(card);
-	}
-	return 0;
-}
-
-/*
- * Download microcode into card, check Firmware signature.
- */
-int
-act2000_isa_download(act2000_card *card, act2000_ddef __user *cb)
-{
-	unsigned int length;
-	int l;
-	int c;
-	long timeout;
-	u_char *b;
-	u_char __user *p;
-	u_char *buf;
-	act2000_ddef cblock;
-
-	if (!act2000_isa_reset(card->port))
-		return -ENXIO;
-	msleep_interruptible(500);
-	if (copy_from_user(&cblock, cb, sizeof(cblock)))
-		return -EFAULT;
-	length = cblock.length;
-	p = cblock.buffer;
-	if (!access_ok(VERIFY_READ, p, length))
-		return -EFAULT;
-	buf = kmalloc(1024, GFP_KERNEL);
-	if (!buf)
-		return -ENOMEM;
-	timeout = 0;
-	while (length) {
-		l = (length > 1024) ? 1024 : length;
-		c = 0;
-		b = buf;
-		if (copy_from_user(buf, p, l)) {
-			kfree(buf);
-			return -EFAULT;
-		}
-		while (c < l) {
-			if (act2000_isa_writeb(card, *b++)) {
-				printk(KERN_WARNING
-				       "act2000: loader timed out"
-				       " len=%d c=%d\n", length, c);
-				kfree(buf);
-				return -ETIME;
-			}
-			c++;
-		}
-		length -= l;
-		p += l;
-	}
-	kfree(buf);
-	msleep_interruptible(500);
-	return (act2000_isa_getid(card));
-}