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WAN: Simplify HD64572 drivers.

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Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
This commit is contained in:
Krzysztof Hałasa
2008-07-09 23:13:49 +02:00
parent 967834361a
commit 61e0a6a268
3 changed files with 110 additions and 135 deletions
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55
drivers/net/wan/pci200syn.c
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@@ -1,7 +1,7 @@
/*
* Goramo PCI200SYN synchronous serial card driver for Linux
*
* Copyright (C) 2002-2003 Krzysztof Halasa <khc@pm.waw.pl>
* Copyright (C) 2002-2008 Krzysztof Halasa <khc@pm.waw.pl>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License
@@ -63,7 +63,7 @@ typedef struct {
typedef struct port_s {
struct napi_struct napi;
struct net_device *dev;
struct net_device *netdev;
struct card_s *card;
spinlock_t lock; /* TX lock */
sync_serial_settings settings;
@@ -74,7 +74,7 @@ typedef struct port_s {
u16 txin; /* tx ring buffer 'in' and 'last' pointers */
u16 txlast;
u8 rxs, txs, tmc; /* SCA registers */
u8 phy_node; /* physical port # - 0 or 1 */
u8 chan; /* physical port # - 0 or 1 */
}port_t;
@@ -92,17 +92,6 @@ typedef struct card_s {
}card_t;
#define sca_in(reg, card) readb(card->scabase + (reg))
#define sca_out(value, reg, card) writeb(value, card->scabase + (reg))
#define sca_inw(reg, card) readw(card->scabase + (reg))
#define sca_outw(value, reg, card) writew(value, card->scabase + (reg))
#define sca_inl(reg, card) readl(card->scabase + (reg))
#define sca_outl(value, reg, card) writel(value, card->scabase + (reg))
#define port_to_card(port) (port->card)
#define log_node(port) (port->phy_node)
#define phy_node(port) (port->phy_node)
#define winbase(card) (card->rambase)
#define get_port(card, port) (&card->ports[port])
#define sca_flush(card) (sca_in(IER0, card));
@@ -132,8 +121,8 @@ static void pci200_set_iface(port_t *port)
u8 rxs = port->rxs & CLK_BRG_MASK;
u8 txs = port->txs & CLK_BRG_MASK;
sca_out(EXS_TES1, (phy_node(port) ? MSCI1_OFFSET : MSCI0_OFFSET) + EXS,
port_to_card(port));
sca_out(EXS_TES1, (port->chan ? MSCI1_OFFSET : MSCI0_OFFSET) + EXS,
port->card);
switch(port->settings.clock_type) {
case CLOCK_INT:
rxs |= CLK_BRG; /* BRG output */
@@ -175,7 +164,7 @@ static int pci200_open(struct net_device *dev)
sca_open(dev);
pci200_set_iface(port);
sca_flush(port_to_card(port));
sca_flush(port->card);
return 0;
}
@@ -184,7 +173,7 @@ static int pci200_open(struct net_device *dev)
static int pci200_close(struct net_device *dev)
{
sca_close(dev);
sca_flush(port_to_card(dev_to_port(dev)));
sca_flush(dev_to_port(dev)->card);
hdlc_close(dev);
return 0;
}
@@ -237,7 +226,7 @@ static int pci200_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
memcpy(&port->settings, &new_line, size); /* Update settings */
pci200_set_iface(port);
sca_flush(port_to_card(port));
sca_flush(port->card);
return 0;
default:
@@ -253,10 +242,8 @@ static void pci200_pci_remove_one(struct pci_dev *pdev)
card_t *card = pci_get_drvdata(pdev);
for (i = 0; i < 2; i++)
if (card->ports[i].card) {
struct net_device *dev = port_to_dev(&card->ports[i]);
unregister_hdlc_device(dev);
}
if (card->ports[i].card)
unregister_hdlc_device(card->ports[i].netdev);
if (card->irq)
free_irq(card->irq, card);
@@ -271,10 +258,10 @@ static void pci200_pci_remove_one(struct pci_dev *pdev)
pci_release_regions(pdev);
pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
if (card->ports[0].dev)
free_netdev(card->ports[0].dev);
if (card->ports[1].dev)
free_netdev(card->ports[1].dev);
if (card->ports[0].netdev)
free_netdev(card->ports[0].netdev);
if (card->ports[1].netdev)
free_netdev(card->ports[1].netdev);
kfree(card);
}
@@ -309,9 +296,9 @@ static int __devinit pci200_pci_init_one(struct pci_dev *pdev,
return -ENOBUFS;
}
pci_set_drvdata(pdev, card);
card->ports[0].dev = alloc_hdlcdev(&card->ports[0]);
card->ports[1].dev = alloc_hdlcdev(&card->ports[1]);
if (!card->ports[0].dev || !card->ports[1].dev) {
card->ports[0].netdev = alloc_hdlcdev(&card->ports[0]);
card->ports[1].netdev = alloc_hdlcdev(&card->ports[1]);
if (!card->ports[0].netdev || !card->ports[1].netdev) {
printk(KERN_ERR "pci200syn: unable to allocate memory\n");
pci200_pci_remove_one(pdev);
return -ENOMEM;
@@ -399,9 +386,9 @@ static int __devinit pci200_pci_init_one(struct pci_dev *pdev,
for (i = 0; i < 2; i++) {
port_t *port = &card->ports[i];
struct net_device *dev = port_to_dev(port);
struct net_device *dev = port->netdev;
hdlc_device *hdlc = dev_to_hdlc(dev);
port->phy_node = i;
port->chan = i;
spin_lock_init(&port->lock);
dev->irq = card->irq;
@@ -424,8 +411,8 @@ static int __devinit pci200_pci_init_one(struct pci_dev *pdev,
return -ENOBUFS;
}
printk(KERN_INFO "%s: PCI200SYN node %d\n",
dev->name, port->phy_node);
printk(KERN_INFO "%s: PCI200SYN channel %d\n",
dev->name, port->chan);
}
sca_flush(card);