mirror of https://gitee.com/openkylin/linux.git
1025 lines
25 KiB
C
1025 lines
25 KiB
C
/*
|
|
* Driver for AVM Fritz!PCI, Fritz!PCI v2, Fritz!PnP ISDN cards
|
|
*
|
|
* Author Kai Germaschewski
|
|
* Copyright 2001 by Kai Germaschewski <kai.germaschewski@gmx.de>
|
|
* 2001 by Karsten Keil <keil@isdn4linux.de>
|
|
*
|
|
* based upon Karsten Keil's original avm_pci.c driver
|
|
*
|
|
* This software may be used and distributed according to the terms
|
|
* of the GNU General Public License, incorporated herein by reference.
|
|
*
|
|
* Thanks to Wizard Computersysteme GmbH, Bremervoerde and
|
|
* SoHaNet Technology GmbH, Berlin
|
|
* for supporting the development of this driver
|
|
*/
|
|
|
|
|
|
/* TODO:
|
|
*
|
|
* o POWER PC
|
|
* o clean up debugging
|
|
* o tx_skb at PH_DEACTIVATE time
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/isapnp.h>
|
|
#include <linux/kmod.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/skbuff.h>
|
|
#include <linux/netdevice.h>
|
|
#include <linux/delay.h>
|
|
|
|
#include <asm/io.h>
|
|
|
|
#include "hisax_fcpcipnp.h"
|
|
|
|
// debugging cruft
|
|
#define __debug_variable debug
|
|
#include "hisax_debug.h"
|
|
|
|
#ifdef CONFIG_HISAX_DEBUG
|
|
static int debug = 0;
|
|
/* static int hdlcfifosize = 32; */
|
|
module_param(debug, int, 0);
|
|
/* module_param(hdlcfifosize, int, 0); */
|
|
#endif
|
|
|
|
MODULE_AUTHOR("Kai Germaschewski <kai.germaschewski@gmx.de>/Karsten Keil <kkeil@suse.de>");
|
|
MODULE_DESCRIPTION("AVM Fritz!PCI/PnP ISDN driver");
|
|
|
|
static struct pci_device_id fcpci_ids[] = {
|
|
{ .vendor = PCI_VENDOR_ID_AVM,
|
|
.device = PCI_DEVICE_ID_AVM_A1,
|
|
.subvendor = PCI_ANY_ID,
|
|
.subdevice = PCI_ANY_ID,
|
|
.driver_data = (unsigned long) "Fritz!Card PCI",
|
|
},
|
|
{ .vendor = PCI_VENDOR_ID_AVM,
|
|
.device = PCI_DEVICE_ID_AVM_A1_V2,
|
|
.subvendor = PCI_ANY_ID,
|
|
.subdevice = PCI_ANY_ID,
|
|
.driver_data = (unsigned long) "Fritz!Card PCI v2" },
|
|
{}
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(pci, fcpci_ids);
|
|
|
|
#ifdef CONFIG_PNP
|
|
static struct pnp_device_id fcpnp_ids[] __devinitdata = {
|
|
{
|
|
.id = "AVM0900",
|
|
.driver_data = (unsigned long) "Fritz!Card PnP",
|
|
},
|
|
{ .id = "" }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(pnp, fcpnp_ids);
|
|
#endif
|
|
|
|
static int protocol = 2; /* EURO-ISDN Default */
|
|
module_param(protocol, int, 0);
|
|
MODULE_LICENSE("GPL");
|
|
|
|
// ----------------------------------------------------------------------
|
|
|
|
#define AVM_INDEX 0x04
|
|
#define AVM_DATA 0x10
|
|
|
|
#define AVM_IDX_HDLC_1 0x00
|
|
#define AVM_IDX_HDLC_2 0x01
|
|
#define AVM_IDX_ISAC_FIFO 0x02
|
|
#define AVM_IDX_ISAC_REG_LOW 0x04
|
|
#define AVM_IDX_ISAC_REG_HIGH 0x06
|
|
|
|
#define AVM_STATUS0 0x02
|
|
|
|
#define AVM_STATUS0_IRQ_ISAC 0x01
|
|
#define AVM_STATUS0_IRQ_HDLC 0x02
|
|
#define AVM_STATUS0_IRQ_TIMER 0x04
|
|
#define AVM_STATUS0_IRQ_MASK 0x07
|
|
|
|
#define AVM_STATUS0_RESET 0x01
|
|
#define AVM_STATUS0_DIS_TIMER 0x02
|
|
#define AVM_STATUS0_RES_TIMER 0x04
|
|
#define AVM_STATUS0_ENA_IRQ 0x08
|
|
#define AVM_STATUS0_TESTBIT 0x10
|
|
|
|
#define AVM_STATUS1 0x03
|
|
#define AVM_STATUS1_ENA_IOM 0x80
|
|
|
|
#define HDLC_FIFO 0x0
|
|
#define HDLC_STATUS 0x4
|
|
#define HDLC_CTRL 0x4
|
|
|
|
#define HDLC_MODE_ITF_FLG 0x01
|
|
#define HDLC_MODE_TRANS 0x02
|
|
#define HDLC_MODE_CCR_7 0x04
|
|
#define HDLC_MODE_CCR_16 0x08
|
|
#define HDLC_MODE_TESTLOOP 0x80
|
|
|
|
#define HDLC_INT_XPR 0x80
|
|
#define HDLC_INT_XDU 0x40
|
|
#define HDLC_INT_RPR 0x20
|
|
#define HDLC_INT_MASK 0xE0
|
|
|
|
#define HDLC_STAT_RME 0x01
|
|
#define HDLC_STAT_RDO 0x10
|
|
#define HDLC_STAT_CRCVFRRAB 0x0E
|
|
#define HDLC_STAT_CRCVFR 0x06
|
|
#define HDLC_STAT_RML_MASK 0xff00
|
|
|
|
#define HDLC_CMD_XRS 0x80
|
|
#define HDLC_CMD_XME 0x01
|
|
#define HDLC_CMD_RRS 0x20
|
|
#define HDLC_CMD_XML_MASK 0xff00
|
|
|
|
#define AVM_HDLC_FIFO_1 0x10
|
|
#define AVM_HDLC_FIFO_2 0x18
|
|
|
|
#define AVM_HDLC_STATUS_1 0x14
|
|
#define AVM_HDLC_STATUS_2 0x1c
|
|
|
|
#define AVM_ISACSX_INDEX 0x04
|
|
#define AVM_ISACSX_DATA 0x08
|
|
|
|
// ----------------------------------------------------------------------
|
|
// Fritz!PCI
|
|
|
|
static unsigned char fcpci_read_isac(struct isac *isac, unsigned char offset)
|
|
{
|
|
struct fritz_adapter *adapter = isac->priv;
|
|
unsigned char idx = (offset > 0x2f) ?
|
|
AVM_IDX_ISAC_REG_HIGH : AVM_IDX_ISAC_REG_LOW;
|
|
unsigned char val;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&adapter->hw_lock, flags);
|
|
outb(idx, adapter->io + AVM_INDEX);
|
|
val = inb(adapter->io + AVM_DATA + (offset & 0xf));
|
|
spin_unlock_irqrestore(&adapter->hw_lock, flags);
|
|
DBG(0x1000, " port %#x, value %#x",
|
|
offset, val);
|
|
return val;
|
|
}
|
|
|
|
static void fcpci_write_isac(struct isac *isac, unsigned char offset,
|
|
unsigned char value)
|
|
{
|
|
struct fritz_adapter *adapter = isac->priv;
|
|
unsigned char idx = (offset > 0x2f) ?
|
|
AVM_IDX_ISAC_REG_HIGH : AVM_IDX_ISAC_REG_LOW;
|
|
unsigned long flags;
|
|
|
|
DBG(0x1000, " port %#x, value %#x",
|
|
offset, value);
|
|
spin_lock_irqsave(&adapter->hw_lock, flags);
|
|
outb(idx, adapter->io + AVM_INDEX);
|
|
outb(value, adapter->io + AVM_DATA + (offset & 0xf));
|
|
spin_unlock_irqrestore(&adapter->hw_lock, flags);
|
|
}
|
|
|
|
static void fcpci_read_isac_fifo(struct isac *isac, unsigned char * data,
|
|
int size)
|
|
{
|
|
struct fritz_adapter *adapter = isac->priv;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&adapter->hw_lock, flags);
|
|
outb(AVM_IDX_ISAC_FIFO, adapter->io + AVM_INDEX);
|
|
insb(adapter->io + AVM_DATA, data, size);
|
|
spin_unlock_irqrestore(&adapter->hw_lock, flags);
|
|
}
|
|
|
|
static void fcpci_write_isac_fifo(struct isac *isac, unsigned char * data,
|
|
int size)
|
|
{
|
|
struct fritz_adapter *adapter = isac->priv;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&adapter->hw_lock, flags);
|
|
outb(AVM_IDX_ISAC_FIFO, adapter->io + AVM_INDEX);
|
|
outsb(adapter->io + AVM_DATA, data, size);
|
|
spin_unlock_irqrestore(&adapter->hw_lock, flags);
|
|
}
|
|
|
|
static u32 fcpci_read_hdlc_status(struct fritz_adapter *adapter, int nr)
|
|
{
|
|
u32 val;
|
|
int idx = nr ? AVM_IDX_HDLC_2 : AVM_IDX_HDLC_1;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&adapter->hw_lock, flags);
|
|
outl(idx, adapter->io + AVM_INDEX);
|
|
val = inl(adapter->io + AVM_DATA + HDLC_STATUS);
|
|
spin_unlock_irqrestore(&adapter->hw_lock, flags);
|
|
return val;
|
|
}
|
|
|
|
static void __fcpci_write_ctrl(struct fritz_bcs *bcs, int which)
|
|
{
|
|
struct fritz_adapter *adapter = bcs->adapter;
|
|
int idx = bcs->channel ? AVM_IDX_HDLC_2 : AVM_IDX_HDLC_1;
|
|
|
|
DBG(0x40, "hdlc %c wr%x ctrl %x",
|
|
'A' + bcs->channel, which, bcs->ctrl.ctrl);
|
|
|
|
outl(idx, adapter->io + AVM_INDEX);
|
|
outl(bcs->ctrl.ctrl, adapter->io + AVM_DATA + HDLC_CTRL);
|
|
}
|
|
|
|
static void fcpci_write_ctrl(struct fritz_bcs *bcs, int which)
|
|
{
|
|
struct fritz_adapter *adapter = bcs->adapter;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&adapter->hw_lock, flags);
|
|
__fcpci_write_ctrl(bcs, which);
|
|
spin_unlock_irqrestore(&adapter->hw_lock, flags);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------
|
|
// Fritz!PCI v2
|
|
|
|
static unsigned char fcpci2_read_isac(struct isac *isac, unsigned char offset)
|
|
{
|
|
struct fritz_adapter *adapter = isac->priv;
|
|
unsigned char val;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&adapter->hw_lock, flags);
|
|
outl(offset, adapter->io + AVM_ISACSX_INDEX);
|
|
val = inl(adapter->io + AVM_ISACSX_DATA);
|
|
spin_unlock_irqrestore(&adapter->hw_lock, flags);
|
|
DBG(0x1000, " port %#x, value %#x",
|
|
offset, val);
|
|
|
|
return val;
|
|
}
|
|
|
|
static void fcpci2_write_isac(struct isac *isac, unsigned char offset,
|
|
unsigned char value)
|
|
{
|
|
struct fritz_adapter *adapter = isac->priv;
|
|
unsigned long flags;
|
|
|
|
DBG(0x1000, " port %#x, value %#x",
|
|
offset, value);
|
|
spin_lock_irqsave(&adapter->hw_lock, flags);
|
|
outl(offset, adapter->io + AVM_ISACSX_INDEX);
|
|
outl(value, adapter->io + AVM_ISACSX_DATA);
|
|
spin_unlock_irqrestore(&adapter->hw_lock, flags);
|
|
}
|
|
|
|
static void fcpci2_read_isac_fifo(struct isac *isac, unsigned char * data,
|
|
int size)
|
|
{
|
|
struct fritz_adapter *adapter = isac->priv;
|
|
int i;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&adapter->hw_lock, flags);
|
|
outl(0, adapter->io + AVM_ISACSX_INDEX);
|
|
for (i = 0; i < size; i++)
|
|
data[i] = inl(adapter->io + AVM_ISACSX_DATA);
|
|
spin_unlock_irqrestore(&adapter->hw_lock, flags);
|
|
}
|
|
|
|
static void fcpci2_write_isac_fifo(struct isac *isac, unsigned char * data,
|
|
int size)
|
|
{
|
|
struct fritz_adapter *adapter = isac->priv;
|
|
int i;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&adapter->hw_lock, flags);
|
|
outl(0, adapter->io + AVM_ISACSX_INDEX);
|
|
for (i = 0; i < size; i++)
|
|
outl(data[i], adapter->io + AVM_ISACSX_DATA);
|
|
spin_unlock_irqrestore(&adapter->hw_lock, flags);
|
|
}
|
|
|
|
static u32 fcpci2_read_hdlc_status(struct fritz_adapter *adapter, int nr)
|
|
{
|
|
int offset = nr ? AVM_HDLC_STATUS_2 : AVM_HDLC_STATUS_1;
|
|
|
|
return inl(adapter->io + offset);
|
|
}
|
|
|
|
static void fcpci2_write_ctrl(struct fritz_bcs *bcs, int which)
|
|
{
|
|
struct fritz_adapter *adapter = bcs->adapter;
|
|
int offset = bcs->channel ? AVM_HDLC_STATUS_2 : AVM_HDLC_STATUS_1;
|
|
|
|
DBG(0x40, "hdlc %c wr%x ctrl %x",
|
|
'A' + bcs->channel, which, bcs->ctrl.ctrl);
|
|
|
|
outl(bcs->ctrl.ctrl, adapter->io + offset);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------
|
|
// Fritz!PnP (ISAC access as for Fritz!PCI)
|
|
|
|
static u32 fcpnp_read_hdlc_status(struct fritz_adapter *adapter, int nr)
|
|
{
|
|
unsigned char idx = nr ? AVM_IDX_HDLC_2 : AVM_IDX_HDLC_1;
|
|
u32 val;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&adapter->hw_lock, flags);
|
|
outb(idx, adapter->io + AVM_INDEX);
|
|
val = inb(adapter->io + AVM_DATA + HDLC_STATUS);
|
|
if (val & HDLC_INT_RPR)
|
|
val |= inb(adapter->io + AVM_DATA + HDLC_STATUS + 1) << 8;
|
|
spin_unlock_irqrestore(&adapter->hw_lock, flags);
|
|
return val;
|
|
}
|
|
|
|
static void __fcpnp_write_ctrl(struct fritz_bcs *bcs, int which)
|
|
{
|
|
struct fritz_adapter *adapter = bcs->adapter;
|
|
unsigned char idx = bcs->channel ? AVM_IDX_HDLC_2 : AVM_IDX_HDLC_1;
|
|
|
|
DBG(0x40, "hdlc %c wr%x ctrl %x",
|
|
'A' + bcs->channel, which, bcs->ctrl.ctrl);
|
|
|
|
outb(idx, adapter->io + AVM_INDEX);
|
|
if (which & 4)
|
|
outb(bcs->ctrl.sr.mode,
|
|
adapter->io + AVM_DATA + HDLC_STATUS + 2);
|
|
if (which & 2)
|
|
outb(bcs->ctrl.sr.xml,
|
|
adapter->io + AVM_DATA + HDLC_STATUS + 1);
|
|
if (which & 1)
|
|
outb(bcs->ctrl.sr.cmd,
|
|
adapter->io + AVM_DATA + HDLC_STATUS + 0);
|
|
}
|
|
|
|
static void fcpnp_write_ctrl(struct fritz_bcs *bcs, int which)
|
|
{
|
|
struct fritz_adapter *adapter = bcs->adapter;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&adapter->hw_lock, flags);
|
|
__fcpnp_write_ctrl(bcs, which);
|
|
spin_unlock_irqrestore(&adapter->hw_lock, flags);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------
|
|
|
|
static inline void B_L1L2(struct fritz_bcs *bcs, int pr, void *arg)
|
|
{
|
|
struct hisax_if *ifc = (struct hisax_if *) &bcs->b_if;
|
|
|
|
DBG(2, "pr %#x", pr);
|
|
ifc->l1l2(ifc, pr, arg);
|
|
}
|
|
|
|
static void hdlc_fill_fifo(struct fritz_bcs *bcs)
|
|
{
|
|
struct fritz_adapter *adapter = bcs->adapter;
|
|
struct sk_buff *skb = bcs->tx_skb;
|
|
int count;
|
|
unsigned long flags;
|
|
unsigned char *p;
|
|
|
|
DBG(0x40, "hdlc_fill_fifo");
|
|
|
|
BUG_ON(skb->len == 0);
|
|
|
|
bcs->ctrl.sr.cmd &= ~HDLC_CMD_XME;
|
|
if (bcs->tx_skb->len > bcs->fifo_size) {
|
|
count = bcs->fifo_size;
|
|
} else {
|
|
count = bcs->tx_skb->len;
|
|
if (bcs->mode != L1_MODE_TRANS)
|
|
bcs->ctrl.sr.cmd |= HDLC_CMD_XME;
|
|
}
|
|
DBG(0x40, "hdlc_fill_fifo %d/%d", count, bcs->tx_skb->len);
|
|
p = bcs->tx_skb->data;
|
|
skb_pull(bcs->tx_skb, count);
|
|
bcs->tx_cnt += count;
|
|
bcs->ctrl.sr.xml = ((count == bcs->fifo_size) ? 0 : count);
|
|
|
|
switch (adapter->type) {
|
|
case AVM_FRITZ_PCI:
|
|
spin_lock_irqsave(&adapter->hw_lock, flags);
|
|
// sets the correct AVM_INDEX, too
|
|
__fcpci_write_ctrl(bcs, 3);
|
|
outsl(adapter->io + AVM_DATA + HDLC_FIFO,
|
|
p, (count + 3) / 4);
|
|
spin_unlock_irqrestore(&adapter->hw_lock, flags);
|
|
break;
|
|
case AVM_FRITZ_PCIV2:
|
|
fcpci2_write_ctrl(bcs, 3);
|
|
outsl(adapter->io +
|
|
(bcs->channel ? AVM_HDLC_FIFO_2 : AVM_HDLC_FIFO_1),
|
|
p, (count + 3) / 4);
|
|
break;
|
|
case AVM_FRITZ_PNP:
|
|
spin_lock_irqsave(&adapter->hw_lock, flags);
|
|
// sets the correct AVM_INDEX, too
|
|
__fcpnp_write_ctrl(bcs, 3);
|
|
outsb(adapter->io + AVM_DATA, p, count);
|
|
spin_unlock_irqrestore(&adapter->hw_lock, flags);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static inline void hdlc_empty_fifo(struct fritz_bcs *bcs, int count)
|
|
{
|
|
struct fritz_adapter *adapter = bcs->adapter;
|
|
unsigned char *p;
|
|
unsigned char idx = bcs->channel ? AVM_IDX_HDLC_2 : AVM_IDX_HDLC_1;
|
|
|
|
DBG(0x10, "hdlc_empty_fifo %d", count);
|
|
if (bcs->rcvidx + count > HSCX_BUFMAX) {
|
|
DBG(0x10, "hdlc_empty_fifo: incoming packet too large");
|
|
return;
|
|
}
|
|
p = bcs->rcvbuf + bcs->rcvidx;
|
|
bcs->rcvidx += count;
|
|
switch (adapter->type) {
|
|
case AVM_FRITZ_PCI:
|
|
spin_lock(&adapter->hw_lock);
|
|
outl(idx, adapter->io + AVM_INDEX);
|
|
insl(adapter->io + AVM_DATA + HDLC_FIFO,
|
|
p, (count + 3) / 4);
|
|
spin_unlock(&adapter->hw_lock);
|
|
break;
|
|
case AVM_FRITZ_PCIV2:
|
|
insl(adapter->io +
|
|
(bcs->channel ? AVM_HDLC_FIFO_2 : AVM_HDLC_FIFO_1),
|
|
p, (count + 3) / 4);
|
|
break;
|
|
case AVM_FRITZ_PNP:
|
|
spin_lock(&adapter->hw_lock);
|
|
outb(idx, adapter->io + AVM_INDEX);
|
|
insb(adapter->io + AVM_DATA, p, count);
|
|
spin_unlock(&adapter->hw_lock);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static inline void hdlc_rpr_irq(struct fritz_bcs *bcs, u32 stat)
|
|
{
|
|
struct fritz_adapter *adapter = bcs->adapter;
|
|
struct sk_buff *skb;
|
|
int len;
|
|
|
|
if (stat & HDLC_STAT_RDO) {
|
|
DBG(0x10, "RDO");
|
|
bcs->ctrl.sr.xml = 0;
|
|
bcs->ctrl.sr.cmd |= HDLC_CMD_RRS;
|
|
adapter->write_ctrl(bcs, 1);
|
|
bcs->ctrl.sr.cmd &= ~HDLC_CMD_RRS;
|
|
adapter->write_ctrl(bcs, 1);
|
|
bcs->rcvidx = 0;
|
|
return;
|
|
}
|
|
|
|
len = (stat & HDLC_STAT_RML_MASK) >> 8;
|
|
if (len == 0)
|
|
len = bcs->fifo_size;
|
|
|
|
hdlc_empty_fifo(bcs, len);
|
|
|
|
if ((stat & HDLC_STAT_RME) || (bcs->mode == L1_MODE_TRANS)) {
|
|
if (((stat & HDLC_STAT_CRCVFRRAB)== HDLC_STAT_CRCVFR) ||
|
|
(bcs->mode == L1_MODE_TRANS)) {
|
|
skb = dev_alloc_skb(bcs->rcvidx);
|
|
if (!skb) {
|
|
printk(KERN_WARNING "HDLC: receive out of memory\n");
|
|
} else {
|
|
memcpy(skb_put(skb, bcs->rcvidx), bcs->rcvbuf,
|
|
bcs->rcvidx);
|
|
DBG_SKB(1, skb);
|
|
B_L1L2(bcs, PH_DATA | INDICATION, skb);
|
|
}
|
|
bcs->rcvidx = 0;
|
|
} else {
|
|
DBG(0x10, "ch%d invalid frame %#x",
|
|
bcs->channel, stat);
|
|
bcs->rcvidx = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline void hdlc_xdu_irq(struct fritz_bcs *bcs)
|
|
{
|
|
struct fritz_adapter *adapter = bcs->adapter;
|
|
|
|
|
|
/* Here we lost an TX interrupt, so
|
|
* restart transmitting the whole frame.
|
|
*/
|
|
bcs->ctrl.sr.xml = 0;
|
|
bcs->ctrl.sr.cmd |= HDLC_CMD_XRS;
|
|
adapter->write_ctrl(bcs, 1);
|
|
bcs->ctrl.sr.cmd &= ~HDLC_CMD_XRS;
|
|
|
|
if (!bcs->tx_skb) {
|
|
DBG(0x10, "XDU without skb");
|
|
adapter->write_ctrl(bcs, 1);
|
|
return;
|
|
}
|
|
/* only hdlc restarts the frame, transparent mode must continue */
|
|
if (bcs->mode == L1_MODE_HDLC) {
|
|
skb_push(bcs->tx_skb, bcs->tx_cnt);
|
|
bcs->tx_cnt = 0;
|
|
}
|
|
}
|
|
|
|
static inline void hdlc_xpr_irq(struct fritz_bcs *bcs)
|
|
{
|
|
struct sk_buff *skb;
|
|
|
|
skb = bcs->tx_skb;
|
|
if (!skb)
|
|
return;
|
|
|
|
if (skb->len) {
|
|
hdlc_fill_fifo(bcs);
|
|
return;
|
|
}
|
|
bcs->tx_cnt = 0;
|
|
bcs->tx_skb = NULL;
|
|
B_L1L2(bcs, PH_DATA | CONFIRM, (void *)(unsigned long)skb->truesize);
|
|
dev_kfree_skb_irq(skb);
|
|
}
|
|
|
|
static void hdlc_irq_one(struct fritz_bcs *bcs, u32 stat)
|
|
{
|
|
DBG(0x10, "ch%d stat %#x", bcs->channel, stat);
|
|
if (stat & HDLC_INT_RPR) {
|
|
DBG(0x10, "RPR");
|
|
hdlc_rpr_irq(bcs, stat);
|
|
}
|
|
if (stat & HDLC_INT_XDU) {
|
|
DBG(0x10, "XDU");
|
|
hdlc_xdu_irq(bcs);
|
|
hdlc_xpr_irq(bcs);
|
|
return;
|
|
}
|
|
if (stat & HDLC_INT_XPR) {
|
|
DBG(0x10, "XPR");
|
|
hdlc_xpr_irq(bcs);
|
|
}
|
|
}
|
|
|
|
static inline void hdlc_irq(struct fritz_adapter *adapter)
|
|
{
|
|
int nr;
|
|
u32 stat;
|
|
|
|
for (nr = 0; nr < 2; nr++) {
|
|
stat = adapter->read_hdlc_status(adapter, nr);
|
|
DBG(0x10, "HDLC %c stat %#x", 'A' + nr, stat);
|
|
if (stat & HDLC_INT_MASK)
|
|
hdlc_irq_one(&adapter->bcs[nr], stat);
|
|
}
|
|
}
|
|
|
|
static void modehdlc(struct fritz_bcs *bcs, int mode)
|
|
{
|
|
struct fritz_adapter *adapter = bcs->adapter;
|
|
|
|
DBG(0x40, "hdlc %c mode %d --> %d",
|
|
'A' + bcs->channel, bcs->mode, mode);
|
|
|
|
if (bcs->mode == mode)
|
|
return;
|
|
|
|
bcs->fifo_size = 32;
|
|
bcs->ctrl.ctrl = 0;
|
|
bcs->ctrl.sr.cmd = HDLC_CMD_XRS | HDLC_CMD_RRS;
|
|
switch (mode) {
|
|
case L1_MODE_NULL:
|
|
bcs->ctrl.sr.mode = HDLC_MODE_TRANS;
|
|
adapter->write_ctrl(bcs, 5);
|
|
break;
|
|
case L1_MODE_TRANS:
|
|
case L1_MODE_HDLC:
|
|
bcs->rcvidx = 0;
|
|
bcs->tx_cnt = 0;
|
|
bcs->tx_skb = NULL;
|
|
if (mode == L1_MODE_TRANS) {
|
|
bcs->ctrl.sr.mode = HDLC_MODE_TRANS;
|
|
} else {
|
|
bcs->ctrl.sr.mode = HDLC_MODE_ITF_FLG;
|
|
}
|
|
adapter->write_ctrl(bcs, 5);
|
|
bcs->ctrl.sr.cmd = HDLC_CMD_XRS;
|
|
adapter->write_ctrl(bcs, 1);
|
|
bcs->ctrl.sr.cmd = 0;
|
|
break;
|
|
}
|
|
bcs->mode = mode;
|
|
}
|
|
|
|
static void fritz_b_l2l1(struct hisax_if *ifc, int pr, void *arg)
|
|
{
|
|
struct fritz_bcs *bcs = ifc->priv;
|
|
struct sk_buff *skb = arg;
|
|
int mode;
|
|
|
|
DBG(0x10, "pr %#x", pr);
|
|
|
|
switch (pr) {
|
|
case PH_DATA | REQUEST:
|
|
BUG_ON(bcs->tx_skb);
|
|
bcs->tx_skb = skb;
|
|
DBG_SKB(1, skb);
|
|
hdlc_fill_fifo(bcs);
|
|
break;
|
|
case PH_ACTIVATE | REQUEST:
|
|
mode = (long) arg;
|
|
DBG(4,"B%d,PH_ACTIVATE_REQUEST %d", bcs->channel + 1, mode);
|
|
modehdlc(bcs, mode);
|
|
B_L1L2(bcs, PH_ACTIVATE | INDICATION, NULL);
|
|
break;
|
|
case PH_DEACTIVATE | REQUEST:
|
|
DBG(4,"B%d,PH_DEACTIVATE_REQUEST", bcs->channel + 1);
|
|
modehdlc(bcs, L1_MODE_NULL);
|
|
B_L1L2(bcs, PH_DEACTIVATE | INDICATION, NULL);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// ----------------------------------------------------------------------
|
|
|
|
static irqreturn_t
|
|
fcpci2_irq(int intno, void *dev)
|
|
{
|
|
struct fritz_adapter *adapter = dev;
|
|
unsigned char val;
|
|
|
|
val = inb(adapter->io + AVM_STATUS0);
|
|
if (!(val & AVM_STATUS0_IRQ_MASK))
|
|
/* hopefully a shared IRQ reqest */
|
|
return IRQ_NONE;
|
|
DBG(2, "STATUS0 %#x", val);
|
|
if (val & AVM_STATUS0_IRQ_ISAC)
|
|
isacsx_irq(&adapter->isac);
|
|
if (val & AVM_STATUS0_IRQ_HDLC)
|
|
hdlc_irq(adapter);
|
|
if (val & AVM_STATUS0_IRQ_ISAC)
|
|
isacsx_irq(&adapter->isac);
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static irqreturn_t
|
|
fcpci_irq(int intno, void *dev)
|
|
{
|
|
struct fritz_adapter *adapter = dev;
|
|
unsigned char sval;
|
|
|
|
sval = inb(adapter->io + 2);
|
|
if ((sval & AVM_STATUS0_IRQ_MASK) == AVM_STATUS0_IRQ_MASK)
|
|
/* possibly a shared IRQ reqest */
|
|
return IRQ_NONE;
|
|
DBG(2, "sval %#x", sval);
|
|
if (!(sval & AVM_STATUS0_IRQ_ISAC))
|
|
isac_irq(&adapter->isac);
|
|
|
|
if (!(sval & AVM_STATUS0_IRQ_HDLC))
|
|
hdlc_irq(adapter);
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------
|
|
|
|
static inline void fcpci2_init(struct fritz_adapter *adapter)
|
|
{
|
|
outb(AVM_STATUS0_RES_TIMER, adapter->io + AVM_STATUS0);
|
|
outb(AVM_STATUS0_ENA_IRQ, adapter->io + AVM_STATUS0);
|
|
|
|
}
|
|
|
|
static inline void fcpci_init(struct fritz_adapter *adapter)
|
|
{
|
|
outb(AVM_STATUS0_DIS_TIMER | AVM_STATUS0_RES_TIMER |
|
|
AVM_STATUS0_ENA_IRQ, adapter->io + AVM_STATUS0);
|
|
|
|
outb(AVM_STATUS1_ENA_IOM | adapter->irq,
|
|
adapter->io + AVM_STATUS1);
|
|
mdelay(10);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------
|
|
|
|
static int __devinit fcpcipnp_setup(struct fritz_adapter *adapter)
|
|
{
|
|
u32 val = 0;
|
|
int retval;
|
|
|
|
DBG(1,"");
|
|
|
|
isac_init(&adapter->isac); // FIXME is this okay now
|
|
|
|
retval = -EBUSY;
|
|
if (!request_region(adapter->io, 32, "fcpcipnp"))
|
|
goto err;
|
|
|
|
switch (adapter->type) {
|
|
case AVM_FRITZ_PCIV2:
|
|
case AVM_FRITZ_PCI:
|
|
val = inl(adapter->io);
|
|
break;
|
|
case AVM_FRITZ_PNP:
|
|
val = inb(adapter->io);
|
|
val |= inb(adapter->io + 1) << 8;
|
|
break;
|
|
}
|
|
|
|
DBG(1, "stat %#x Class %X Rev %d",
|
|
val, val & 0xff, (val>>8) & 0xff);
|
|
|
|
spin_lock_init(&adapter->hw_lock);
|
|
adapter->isac.priv = adapter;
|
|
switch (adapter->type) {
|
|
case AVM_FRITZ_PCIV2:
|
|
adapter->isac.read_isac = &fcpci2_read_isac;
|
|
adapter->isac.write_isac = &fcpci2_write_isac;
|
|
adapter->isac.read_isac_fifo = &fcpci2_read_isac_fifo;
|
|
adapter->isac.write_isac_fifo = &fcpci2_write_isac_fifo;
|
|
|
|
adapter->read_hdlc_status = &fcpci2_read_hdlc_status;
|
|
adapter->write_ctrl = &fcpci2_write_ctrl;
|
|
break;
|
|
case AVM_FRITZ_PCI:
|
|
adapter->isac.read_isac = &fcpci_read_isac;
|
|
adapter->isac.write_isac = &fcpci_write_isac;
|
|
adapter->isac.read_isac_fifo = &fcpci_read_isac_fifo;
|
|
adapter->isac.write_isac_fifo = &fcpci_write_isac_fifo;
|
|
|
|
adapter->read_hdlc_status = &fcpci_read_hdlc_status;
|
|
adapter->write_ctrl = &fcpci_write_ctrl;
|
|
break;
|
|
case AVM_FRITZ_PNP:
|
|
adapter->isac.read_isac = &fcpci_read_isac;
|
|
adapter->isac.write_isac = &fcpci_write_isac;
|
|
adapter->isac.read_isac_fifo = &fcpci_read_isac_fifo;
|
|
adapter->isac.write_isac_fifo = &fcpci_write_isac_fifo;
|
|
|
|
adapter->read_hdlc_status = &fcpnp_read_hdlc_status;
|
|
adapter->write_ctrl = &fcpnp_write_ctrl;
|
|
break;
|
|
}
|
|
|
|
// Reset
|
|
outb(0, adapter->io + AVM_STATUS0);
|
|
mdelay(10);
|
|
outb(AVM_STATUS0_RESET, adapter->io + AVM_STATUS0);
|
|
mdelay(10);
|
|
outb(0, adapter->io + AVM_STATUS0);
|
|
mdelay(10);
|
|
|
|
switch (adapter->type) {
|
|
case AVM_FRITZ_PCIV2:
|
|
retval = request_irq(adapter->irq, fcpci2_irq, IRQF_SHARED,
|
|
"fcpcipnp", adapter);
|
|
break;
|
|
case AVM_FRITZ_PCI:
|
|
retval = request_irq(adapter->irq, fcpci_irq, IRQF_SHARED,
|
|
"fcpcipnp", adapter);
|
|
break;
|
|
case AVM_FRITZ_PNP:
|
|
retval = request_irq(adapter->irq, fcpci_irq, 0,
|
|
"fcpcipnp", adapter);
|
|
break;
|
|
}
|
|
if (retval)
|
|
goto err_region;
|
|
|
|
switch (adapter->type) {
|
|
case AVM_FRITZ_PCIV2:
|
|
fcpci2_init(adapter);
|
|
isacsx_setup(&adapter->isac);
|
|
break;
|
|
case AVM_FRITZ_PCI:
|
|
case AVM_FRITZ_PNP:
|
|
fcpci_init(adapter);
|
|
isac_setup(&adapter->isac);
|
|
break;
|
|
}
|
|
val = adapter->read_hdlc_status(adapter, 0);
|
|
DBG(0x20, "HDLC A STA %x", val);
|
|
val = adapter->read_hdlc_status(adapter, 1);
|
|
DBG(0x20, "HDLC B STA %x", val);
|
|
|
|
adapter->bcs[0].mode = -1;
|
|
adapter->bcs[1].mode = -1;
|
|
modehdlc(&adapter->bcs[0], L1_MODE_NULL);
|
|
modehdlc(&adapter->bcs[1], L1_MODE_NULL);
|
|
|
|
return 0;
|
|
|
|
err_region:
|
|
release_region(adapter->io, 32);
|
|
err:
|
|
return retval;
|
|
}
|
|
|
|
static void __devexit fcpcipnp_release(struct fritz_adapter *adapter)
|
|
{
|
|
DBG(1,"");
|
|
|
|
outb(0, adapter->io + AVM_STATUS0);
|
|
free_irq(adapter->irq, adapter);
|
|
release_region(adapter->io, 32);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------
|
|
|
|
static struct fritz_adapter * __devinit
|
|
new_adapter(void)
|
|
{
|
|
struct fritz_adapter *adapter;
|
|
struct hisax_b_if *b_if[2];
|
|
int i;
|
|
|
|
adapter = kzalloc(sizeof(struct fritz_adapter), GFP_KERNEL);
|
|
if (!adapter)
|
|
return NULL;
|
|
|
|
adapter->isac.hisax_d_if.owner = THIS_MODULE;
|
|
adapter->isac.hisax_d_if.ifc.priv = &adapter->isac;
|
|
adapter->isac.hisax_d_if.ifc.l2l1 = isac_d_l2l1;
|
|
|
|
for (i = 0; i < 2; i++) {
|
|
adapter->bcs[i].adapter = adapter;
|
|
adapter->bcs[i].channel = i;
|
|
adapter->bcs[i].b_if.ifc.priv = &adapter->bcs[i];
|
|
adapter->bcs[i].b_if.ifc.l2l1 = fritz_b_l2l1;
|
|
}
|
|
|
|
for (i = 0; i < 2; i++)
|
|
b_if[i] = &adapter->bcs[i].b_if;
|
|
|
|
if (hisax_register(&adapter->isac.hisax_d_if, b_if, "fcpcipnp",
|
|
protocol) != 0) {
|
|
kfree(adapter);
|
|
adapter = NULL;
|
|
}
|
|
|
|
return adapter;
|
|
}
|
|
|
|
static void delete_adapter(struct fritz_adapter *adapter)
|
|
{
|
|
hisax_unregister(&adapter->isac.hisax_d_if);
|
|
kfree(adapter);
|
|
}
|
|
|
|
static int __devinit fcpci_probe(struct pci_dev *pdev,
|
|
const struct pci_device_id *ent)
|
|
{
|
|
struct fritz_adapter *adapter;
|
|
int retval;
|
|
|
|
retval = -ENOMEM;
|
|
adapter = new_adapter();
|
|
if (!adapter)
|
|
goto err;
|
|
|
|
pci_set_drvdata(pdev, adapter);
|
|
|
|
if (pdev->device == PCI_DEVICE_ID_AVM_A1_V2)
|
|
adapter->type = AVM_FRITZ_PCIV2;
|
|
else
|
|
adapter->type = AVM_FRITZ_PCI;
|
|
|
|
retval = pci_enable_device(pdev);
|
|
if (retval)
|
|
goto err_free;
|
|
|
|
adapter->io = pci_resource_start(pdev, 1);
|
|
adapter->irq = pdev->irq;
|
|
|
|
printk(KERN_INFO "hisax_fcpcipnp: found adapter %s at %s\n",
|
|
(char *) ent->driver_data, pci_name(pdev));
|
|
|
|
retval = fcpcipnp_setup(adapter);
|
|
if (retval)
|
|
goto err_free;
|
|
|
|
return 0;
|
|
|
|
err_free:
|
|
delete_adapter(adapter);
|
|
err:
|
|
return retval;
|
|
}
|
|
|
|
#ifdef CONFIG_PNP
|
|
static int __devinit fcpnp_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id)
|
|
{
|
|
struct fritz_adapter *adapter;
|
|
int retval;
|
|
|
|
if (!pdev)
|
|
return(-ENODEV);
|
|
|
|
retval = -ENOMEM;
|
|
adapter = new_adapter();
|
|
if (!adapter)
|
|
goto err;
|
|
|
|
pnp_set_drvdata(pdev, adapter);
|
|
|
|
adapter->type = AVM_FRITZ_PNP;
|
|
|
|
pnp_disable_dev(pdev);
|
|
retval = pnp_activate_dev(pdev);
|
|
if (retval < 0) {
|
|
printk(KERN_WARNING "%s: pnp_activate_dev(%s) ret(%d)\n", __func__,
|
|
(char *)dev_id->driver_data, retval);
|
|
goto err_free;
|
|
}
|
|
adapter->io = pnp_port_start(pdev, 0);
|
|
adapter->irq = pnp_irq(pdev, 0);
|
|
|
|
printk(KERN_INFO "hisax_fcpcipnp: found adapter %s at IO %#x irq %d\n",
|
|
(char *) dev_id->driver_data, adapter->io, adapter->irq);
|
|
|
|
retval = fcpcipnp_setup(adapter);
|
|
if (retval)
|
|
goto err_free;
|
|
|
|
return 0;
|
|
|
|
err_free:
|
|
delete_adapter(adapter);
|
|
err:
|
|
return retval;
|
|
}
|
|
|
|
static void __devexit fcpnp_remove(struct pnp_dev *pdev)
|
|
{
|
|
struct fritz_adapter *adapter = pnp_get_drvdata(pdev);
|
|
|
|
if (adapter) {
|
|
fcpcipnp_release(adapter);
|
|
delete_adapter(adapter);
|
|
}
|
|
pnp_disable_dev(pdev);
|
|
}
|
|
|
|
static struct pnp_driver fcpnp_driver = {
|
|
.name = "fcpnp",
|
|
.probe = fcpnp_probe,
|
|
.remove = __devexit_p(fcpnp_remove),
|
|
.id_table = fcpnp_ids,
|
|
};
|
|
#endif
|
|
|
|
static void __devexit fcpci_remove(struct pci_dev *pdev)
|
|
{
|
|
struct fritz_adapter *adapter = pci_get_drvdata(pdev);
|
|
|
|
fcpcipnp_release(adapter);
|
|
pci_disable_device(pdev);
|
|
delete_adapter(adapter);
|
|
}
|
|
|
|
static struct pci_driver fcpci_driver = {
|
|
.name = "fcpci",
|
|
.probe = fcpci_probe,
|
|
.remove = __devexit_p(fcpci_remove),
|
|
.id_table = fcpci_ids,
|
|
};
|
|
|
|
static int __init hisax_fcpcipnp_init(void)
|
|
{
|
|
int retval;
|
|
|
|
printk(KERN_INFO "hisax_fcpcipnp: Fritz!Card PCI/PCIv2/PnP ISDN driver v0.0.1\n");
|
|
|
|
retval = pci_register_driver(&fcpci_driver);
|
|
if (retval)
|
|
return retval;
|
|
#ifdef CONFIG_PNP
|
|
retval = pnp_register_driver(&fcpnp_driver);
|
|
if (retval < 0) {
|
|
pci_unregister_driver(&fcpci_driver);
|
|
return retval;
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static void __exit hisax_fcpcipnp_exit(void)
|
|
{
|
|
#ifdef CONFIG_PNP
|
|
pnp_unregister_driver(&fcpnp_driver);
|
|
#endif
|
|
pci_unregister_driver(&fcpci_driver);
|
|
}
|
|
|
|
module_init(hisax_fcpcipnp_init);
|
|
module_exit(hisax_fcpcipnp_exit);
|