/*
* 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
*
* 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.
#include "hd64572.h"
-static const char* version = "Cyclades PC300 driver version: 1.17";
-static const char* devname = "PC300";
-
#undef DEBUG_PKT
#define DEBUG_RINGS
#define PC300_PLX_SIZE 0x80 /* PLX control window size (128 B) */
#define PC300_SCA_SIZE 0x400 /* SCA window size (1 KB) */
-#define ALL_PAGES_ALWAYS_MAPPED
-#define NEED_DETECT_RAM
-#define NEED_SCA_MSCI_INTR
#define MAX_TX_BUFFERS 10
static int pci_clock_freq = 33000000;
typedef struct port_s {
- struct net_device *dev;
+ struct napi_struct napi;
+ struct net_device *netdev;
struct card_s *card;
spinlock_t lock; /* TX lock */
sync_serial_settings settings;
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;
}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))
-#include "hd6457x.c"
+#include "hd64572.c"
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 */
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);
}
}
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);
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);
}
u32 scaphys; /* SCA memory base */
u32 plxphys; /* PLX registers memory base */
-#ifndef MODULE
- static int printed_version;
- if (!printed_version++)
- printk(KERN_INFO "%s\n", version);
-#endif
-
i = pci_enable_device(pdev);
if (i)
return i;
}
pci_set_drvdata(pdev, card);
- if (pdev->device == PCI_DEVICE_ID_PC300_TE_1 ||
- pdev->device == PCI_DEVICE_ID_PC300_TE_2)
- card->type = PC300_TE; /* not fully supported */
- else if (card->init_ctrl_value & PC300_CTYPE_MASK)
- card->type = PC300_X21;
- else
- card->type = PC300_RSV;
-
- if (pdev->device == PCI_DEVICE_ID_PC300_RX_1 ||
- pdev->device == PCI_DEVICE_ID_PC300_TE_1)
- card->n_ports = 1;
- else
- card->n_ports = 2;
-
- for (i = 0; i < card->n_ports; i++)
- if (!(card->ports[i].dev = alloc_hdlcdev(&card->ports[i]))) {
- printk(KERN_ERR "pc300: unable to allocate memory\n");
- pc300_pci_remove_one(pdev);
- return -ENOMEM;
- }
-
if (pci_resource_len(pdev, 0) != PC300_PLX_SIZE ||
pci_resource_len(pdev, 2) != PC300_SCA_SIZE ||
pci_resource_len(pdev, 3) < 16384) {
return -EFAULT;
}
- plxphys = pci_resource_start(pdev,0) & PCI_BASE_ADDRESS_MEM_MASK;
+ plxphys = pci_resource_start(pdev, 0) & PCI_BASE_ADDRESS_MEM_MASK;
card->plxbase = ioremap(plxphys, PC300_PLX_SIZE);
- scaphys = pci_resource_start(pdev,2) & PCI_BASE_ADDRESS_MEM_MASK;
+ scaphys = pci_resource_start(pdev, 2) & PCI_BASE_ADDRESS_MEM_MASK;
card->scabase = ioremap(scaphys, PC300_SCA_SIZE);
- ramphys = pci_resource_start(pdev,3) & PCI_BASE_ADDRESS_MEM_MASK;
+ ramphys = pci_resource_start(pdev, 3) & PCI_BASE_ADDRESS_MEM_MASK;
card->rambase = pci_ioremap_bar(pdev, 3);
if (card->plxbase == NULL ||
card->init_ctrl_value = readl(&((plx9050 __iomem *)card->scabase)->init_ctrl);
pci_write_config_dword(pdev, PCI_BASE_ADDRESS_0, plxphys);
+ if (pdev->device == PCI_DEVICE_ID_PC300_TE_1 ||
+ pdev->device == PCI_DEVICE_ID_PC300_TE_2)
+ card->type = PC300_TE; /* not fully supported */
+ else if (card->init_ctrl_value & PC300_CTYPE_MASK)
+ card->type = PC300_X21;
+ else
+ card->type = PC300_RSV;
+
+ if (pdev->device == PCI_DEVICE_ID_PC300_RX_1 ||
+ pdev->device == PCI_DEVICE_ID_PC300_TE_1)
+ card->n_ports = 1;
+ else
+ card->n_ports = 2;
+
+ for (i = 0; i < card->n_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;
+ }
+
/* Reset PLX */
p = &card->plxbase->init_ctrl;
writel(card->init_ctrl_value | 0x40000000, p);
writew(0x0041, &card->plxbase->intr_ctrl_stat);
/* Allocate IRQ */
- if (request_irq(pdev->irq, sca_intr, IRQF_SHARED, devname, card)) {
+ if (request_irq(pdev->irq, sca_intr, IRQF_SHARED, "pc300", card)) {
printk(KERN_WARNING "pc300: could not allocate IRQ%d.\n",
pdev->irq);
pc300_pci_remove_one(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;
else
port->iface = IF_IFACE_V35;
+ sca_init_port(port);
if (register_hdlc_device(dev)) {
printk(KERN_ERR "pc300: unable to register hdlc "
"device\n");
pc300_pci_remove_one(pdev);
return -ENOBUFS;
}
- sca_init_sync_port(port); /* Set up SCA memory */
- 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;
}
static int __init pc300_init_module(void)
{
-#ifdef MODULE
- printk(KERN_INFO "%s\n", version);
-#endif
if (pci_clock_freq < 1000000 || pci_clock_freq > 80000000) {
printk(KERN_ERR "pc300: Invalid PCI clock frequency\n");
return -EINVAL;
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