diff options
Diffstat (limited to 'drivers/net/tokenring/proteon.c')
| -rw-r--r-- | drivers/net/tokenring/proteon.c | 432 |
1 files changed, 432 insertions, 0 deletions
diff --git a/drivers/net/tokenring/proteon.c b/drivers/net/tokenring/proteon.c new file mode 100644 index 00000000000..675b063508e --- /dev/null +++ b/drivers/net/tokenring/proteon.c @@ -0,0 +1,432 @@ +/* + * proteon.c: A network driver for Proteon ISA token ring cards. + * + * Based on tmspci written 1999 by Adam Fritzler + * + * Written 2003 by Jochen Friedrich + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + * This driver module supports the following cards: + * - Proteon 1392, 1392+ + * + * Maintainer(s): + * AF Adam Fritzler mid@auk.cx + * JF Jochen Friedrich jochen@scram.de + * + * Modification History: + * 02-Jan-03 JF Created + * + */ +static const char version[] = "proteon.c: v1.00 02/01/2003 by Jochen Friedrich\n"; + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/errno.h> +#include <linux/pci.h> +#include <linux/init.h> +#include <linux/netdevice.h> +#include <linux/trdevice.h> + +#include <asm/system.h> +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/pci.h> +#include <asm/dma.h> + +#include "tms380tr.h" + +#define PROTEON_IO_EXTENT 32 + +/* A zero-terminated list of I/O addresses to be probed. */ +static unsigned int portlist[] __initdata = { + 0x0A20, 0x0E20, 0x1A20, 0x1E20, 0x2A20, 0x2E20, 0x3A20, 0x3E20,// Prot. + 0x4A20, 0x4E20, 0x5A20, 0x5E20, 0x6A20, 0x6E20, 0x7A20, 0x7E20,// Prot. + 0x8A20, 0x8E20, 0x9A20, 0x9E20, 0xAA20, 0xAE20, 0xBA20, 0xBE20,// Prot. + 0xCA20, 0xCE20, 0xDA20, 0xDE20, 0xEA20, 0xEE20, 0xFA20, 0xFE20,// Prot. + 0 +}; + +/* A zero-terminated list of IRQs to be probed. */ +static unsigned short irqlist[] = { + 7, 6, 5, 4, 3, 12, 11, 10, 9, + 0 +}; + +/* A zero-terminated list of DMAs to be probed. */ +static int dmalist[] __initdata = { + 5, 6, 7, + 0 +}; + +static char cardname[] = "Proteon 1392\0"; + +struct net_device *proteon_probe(int unit); +static int proteon_open(struct net_device *dev); +static void proteon_read_eeprom(struct net_device *dev); +static unsigned short proteon_setnselout_pins(struct net_device *dev); + +static unsigned short proteon_sifreadb(struct net_device *dev, unsigned short reg) +{ + return inb(dev->base_addr + reg); +} + +static unsigned short proteon_sifreadw(struct net_device *dev, unsigned short reg) +{ + return inw(dev->base_addr + reg); +} + +static void proteon_sifwriteb(struct net_device *dev, unsigned short val, unsigned short reg) +{ + outb(val, dev->base_addr + reg); +} + +static void proteon_sifwritew(struct net_device *dev, unsigned short val, unsigned short reg) +{ + outw(val, dev->base_addr + reg); +} + +static int __init proteon_probe1(struct net_device *dev, int ioaddr) +{ + unsigned char chk1, chk2; + int i; + + if (!request_region(ioaddr, PROTEON_IO_EXTENT, cardname)) + return -ENODEV; + + + chk1 = inb(ioaddr + 0x1f); /* Get Proteon ID reg 1 */ + if (chk1 != 0x1f) + goto nodev; + + chk1 = inb(ioaddr + 0x1e) & 0x07; /* Get Proteon ID reg 0 */ + for (i=0; i<16; i++) { + chk2 = inb(ioaddr + 0x1e) & 0x07; + if (((chk1 + 1) & 0x07) != chk2) + goto nodev; + chk1 = chk2; + } + + dev->base_addr = ioaddr; + return (0); +nodev: + release_region(ioaddr, PROTEON_IO_EXTENT); + return -ENODEV; +} + +static int __init setup_card(struct net_device *dev) +{ + struct net_local *tp; + static int versionprinted; + const unsigned *port; + int j,err = 0; + + if (!dev) + return -ENOMEM; + + SET_MODULE_OWNER(dev); + if (dev->base_addr) /* probe specific location */ + err = proteon_probe1(dev, dev->base_addr); + else { + for (port = portlist; *port; port++) { + err = proteon_probe1(dev, *port); + if (!err) + break; + } + } + if (err) + goto out4; + + /* At this point we have found a valid card. */ + + if (versionprinted++ == 0) + printk(KERN_DEBUG "%s", version); + + err = -EIO; + if (tmsdev_init(dev, ISA_MAX_ADDRESS, NULL)) + goto out4; + + dev->base_addr &= ~3; + + proteon_read_eeprom(dev); + + printk(KERN_DEBUG "%s: Ring Station Address: ", dev->name); + printk("%2.2x", dev->dev_addr[0]); + for (j = 1; j < 6; j++) + printk(":%2.2x", dev->dev_addr[j]); + printk("\n"); + + tp = netdev_priv(dev); + tp->setnselout = proteon_setnselout_pins; + + tp->sifreadb = proteon_sifreadb; + tp->sifreadw = proteon_sifreadw; + tp->sifwriteb = proteon_sifwriteb; + tp->sifwritew = proteon_sifwritew; + + memcpy(tp->ProductID, cardname, PROD_ID_SIZE + 1); + + tp->tmspriv = NULL; + + dev->open = proteon_open; + dev->stop = tms380tr_close; + + if (dev->irq == 0) + { + for(j = 0; irqlist[j] != 0; j++) + { + dev->irq = irqlist[j]; + if (!request_irq(dev->irq, tms380tr_interrupt, 0, + cardname, dev)) + break; + } + + if(irqlist[j] == 0) + { + printk(KERN_INFO "%s: AutoSelect no IRQ available\n", dev->name); + goto out3; + } + } + else + { + for(j = 0; irqlist[j] != 0; j++) + if (irqlist[j] == dev->irq) + break; + if (irqlist[j] == 0) + { + printk(KERN_INFO "%s: Illegal IRQ %d specified\n", + dev->name, dev->irq); + goto out3; + } + if (request_irq(dev->irq, tms380tr_interrupt, 0, + cardname, dev)) + { + printk(KERN_INFO "%s: Selected IRQ %d not available\n", + dev->name, dev->irq); + goto out3; + } + } + + if (dev->dma == 0) + { + for(j = 0; dmalist[j] != 0; j++) + { + dev->dma = dmalist[j]; + if (!request_dma(dev->dma, cardname)) + break; + } + + if(dmalist[j] == 0) + { + printk(KERN_INFO "%s: AutoSelect no DMA available\n", dev->name); + goto out2; + } + } + else + { + for(j = 0; dmalist[j] != 0; j++) + if (dmalist[j] == dev->dma) + break; + if (dmalist[j] == 0) + { + printk(KERN_INFO "%s: Illegal DMA %d specified\n", + dev->name, dev->dma); + goto out2; + } + if (request_dma(dev->dma, cardname)) + { + printk(KERN_INFO "%s: Selected DMA %d not available\n", + dev->name, dev->dma); + goto out2; + } + } + + printk(KERN_DEBUG "%s: IO: %#4lx IRQ: %d DMA: %d\n", + dev->name, dev->base_addr, dev->irq, dev->dma); + + err = register_netdev(dev); + if (err) + goto out; + + return 0; +out: + free_dma(dev->dma); +out2: + free_irq(dev->irq, dev); +out3: + tmsdev_term(dev); +out4: + release_region(dev->base_addr, PROTEON_IO_EXTENT); + return err; +} + +struct net_device * __init proteon_probe(int unit) +{ + struct net_device *dev = alloc_trdev(sizeof(struct net_local)); + int err = 0; + + if (!dev) + return ERR_PTR(-ENOMEM); + + if (unit >= 0) { + sprintf(dev->name, "tr%d", unit); + netdev_boot_setup_check(dev); + } + + err = setup_card(dev); + if (err) + goto out; + + return dev; + +out: + free_netdev(dev); + return ERR_PTR(err); +} + +/* + * Reads MAC address from adapter RAM, which should've read it from + * the onboard ROM. + * + * Calling this on a board that does not support it can be a very + * dangerous thing. The Madge board, for instance, will lock your + * machine hard when this is called. Luckily, its supported in a + * separate driver. --ASF + */ +static void proteon_read_eeprom(struct net_device *dev) +{ + int i; + + /* Address: 0000:0000 */ + proteon_sifwritew(dev, 0, SIFADX); + proteon_sifwritew(dev, 0, SIFADR); + + /* Read six byte MAC address data */ + dev->addr_len = 6; + for(i = 0; i < 6; i++) + dev->dev_addr[i] = proteon_sifreadw(dev, SIFINC) >> 8; +} + +unsigned short proteon_setnselout_pins(struct net_device *dev) +{ + return 0; +} + +static int proteon_open(struct net_device *dev) +{ + struct net_local *tp = netdev_priv(dev); + unsigned short val = 0; + int i; + + /* Proteon reset sequence */ + outb(0, dev->base_addr + 0x11); + mdelay(20); + outb(0x04, dev->base_addr + 0x11); + mdelay(20); + outb(0, dev->base_addr + 0x11); + mdelay(100); + + /* set control/status reg */ + val = inb(dev->base_addr + 0x11); + val |= 0x78; + val &= 0xf9; + if(tp->DataRate == SPEED_4) + val |= 0x20; + else + val &= ~0x20; + + outb(val, dev->base_addr + 0x11); + outb(0xff, dev->base_addr + 0x12); + for(i = 0; irqlist[i] != 0; i++) + { + if(irqlist[i] == dev->irq) + break; + } + val = i; + i = (7 - dev->dma) << 4; + val |= i; + outb(val, dev->base_addr + 0x13); + + return tms380tr_open(dev); +} + +#ifdef MODULE + +#define ISATR_MAX_ADAPTERS 3 + +static int io[ISATR_MAX_ADAPTERS]; +static int irq[ISATR_MAX_ADAPTERS]; +static int dma[ISATR_MAX_ADAPTERS]; + +MODULE_LICENSE("GPL"); + +module_param_array(io, int, NULL, 0); +module_param_array(irq, int, NULL, 0); +module_param_array(dma, int, NULL, 0); + +static struct net_device *proteon_dev[ISATR_MAX_ADAPTERS]; + +int init_module(void) +{ + struct net_device *dev; + int i, num = 0, err = 0; + + for (i = 0; i < ISATR_MAX_ADAPTERS ; i++) { + dev = alloc_trdev(sizeof(struct net_local)); + if (!dev) + continue; + + dev->base_addr = io[i]; + dev->irq = irq[i]; + dev->dma = dma[i]; + err = setup_card(dev); + if (!err) { + proteon_dev[i] = dev; + ++num; + } else { + free_netdev(dev); + } + } + + printk(KERN_NOTICE "proteon.c: %d cards found.\n", num); + /* Probe for cards. */ + if (num == 0) { + printk(KERN_NOTICE "proteon.c: No cards found.\n"); + return (-ENODEV); + } + return (0); +} + +void cleanup_module(void) +{ + int i; + + for (i = 0; i < ISATR_MAX_ADAPTERS ; i++) { + struct net_device *dev = proteon_dev[i]; + + if (!dev) + continue; + + unregister_netdev(dev); + release_region(dev->base_addr, PROTEON_IO_EXTENT); + free_irq(dev->irq, dev); + free_dma(dev->dma); + tmsdev_term(dev); + free_netdev(dev); + } +} +#endif /* MODULE */ + + +/* + * Local variables: + * compile-command: "gcc -DMODVERSIONS -DMODULE -D__KERNEL__ -Wall -Wstrict-prototypes -O6 -fomit-frame-pointer -I/usr/src/linux/drivers/net/tokenring/ -c proteon.c" + * alt-compile-command: "gcc -DMODULE -D__KERNEL__ -Wall -Wstrict-prototypes -O6 -fomit-frame-pointer -I/usr/src/linux/drivers/net/tokenring/ -c proteon.c" + * c-set-style "K&R" + * c-indent-level: 8 + * c-basic-offset: 8 + * tab-width: 8 + * End: + */ |