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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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51
drivers/net/wan/pc300too.c
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@@ -1,7 +1,7 @@
/*
* Cyclades PC300 synchronous serial card driver for Linux
*
* Copyright (C) 2000-2007 Krzysztof Halasa <khc@pm.waw.pl>
* Copyright (C) 2000-2008 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
@@ -11,7 +11,7 @@
*
* Sources of information:
* Hitachi HD64572 SCA-II User's Manual
* Cyclades PC300 Linux driver
* Original Cyclades PC300 Linux driver
*
* This driver currently supports only PC300/RSV (V.24/V.35) and
* PC300/X21 cards.
@@ -76,7 +76,7 @@ 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;
@@ -88,7 +88,7 @@ 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;
@@ -109,17 +109,6 @@ 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) ((port) < (card)->n_ports ? \
(&(card)->ports[port]) : (NULL))
@@ -134,8 +123,8 @@ static void pc300_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 */
@@ -167,10 +156,10 @@ static void pc300_set_iface(port_t *port)
if (port->card->type == PC300_RSV) {
if (port->iface == IF_IFACE_V35)
writel(card->init_ctrl_value |
PC300_CHMEDIA_MASK(port->phy_node), init_ctrl);
PC300_CHMEDIA_MASK(port->chan), init_ctrl);
else
writel(card->init_ctrl_value &
~PC300_CHMEDIA_MASK(port->phy_node), init_ctrl);
~PC300_CHMEDIA_MASK(port->chan), init_ctrl);
}
}
@@ -275,10 +264,8 @@ static void pc300_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);
@@ -293,10 +280,10 @@ static void pc300_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);
}
@@ -347,7 +334,7 @@ static int __devinit pc300_pci_init_one(struct pci_dev *pdev,
card->n_ports = 2;
for (i = 0; i < card->n_ports; i++)
if (!(card->ports[i].dev = alloc_hdlcdev(&card->ports[i]))) {
if (!(card->ports[i].netdev = alloc_hdlcdev(&card->ports[i]))) {
printk(KERN_ERR "pc300: unable to allocate memory\n");
pc300_pci_remove_one(pdev);
return -ENOMEM;
@@ -452,9 +439,9 @@ static int __devinit pc300_pci_init_one(struct pci_dev *pdev,
for (i = 0; i < card->n_ports; 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;
@@ -482,8 +469,8 @@ static int __devinit pc300_pci_init_one(struct pci_dev *pdev,
return -ENOBUFS;
}
printk(KERN_INFO "%s: PC300 node %d\n",
dev->name, port->phy_node);
printk(KERN_INFO "%s: PC300 channel %d\n",
dev->name, port->chan);
}
return 0;
}