X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fnet%2Fne.c;h=5c3e242428f11a1b5ff2e98a782614031d00a9cf;hb=6a7c7eaf71b636f197d73b381a2ab729ebdcfb2e;hp=c81befc3a7ae6efe894a9657514834b0610bf3a8;hpb=10d024c1b2fd58af8362670d7d6e5ae52fc33353;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/net/ne.c b/drivers/net/ne.c index c81befc..5c3e242 100644 --- a/drivers/net/ne.c +++ b/drivers/net/ne.c @@ -64,6 +64,25 @@ static const char version2[] = /* Do we support clones that don't adhere to 14,15 of the SAprom ? */ #define SUPPORT_NE_BAD_CLONES +/* 0xbad = bad sig or no reset ack */ +#define BAD 0xbad + +#define MAX_NE_CARDS 4 /* Max number of NE cards per module */ +static struct platform_device *pdev_ne[MAX_NE_CARDS]; +static int io[MAX_NE_CARDS]; +static int irq[MAX_NE_CARDS]; +static int bad[MAX_NE_CARDS]; + +#ifdef MODULE +module_param_array(io, int, NULL, 0); +module_param_array(irq, int, NULL, 0); +module_param_array(bad, int, NULL, 0); +MODULE_PARM_DESC(io, "I/O base address(es),required"); +MODULE_PARM_DESC(irq, "IRQ number(s)"); +MODULE_PARM_DESC(bad, "Accept card(s) with bad signatures"); +MODULE_DESCRIPTION("NE1000/NE2000 ISA/PnP Ethernet driver"); +MODULE_LICENSE("GPL"); +#endif /* MODULE */ /* Do we perform extra sanity checks on stuff ? */ /* #define NE_SANITY_CHECK */ @@ -74,6 +93,10 @@ static const char version2[] = /* Do we have a non std. amount of memory? (in units of 256 byte pages) */ /* #define PACKETBUF_MEMSIZE 0x40 */ +/* This is set up so that no ISA autoprobe takes place. We can't guarantee +that the ne2k probe is the last 8390 based probe to take place (as it +is at boot) and so the probe will get confused by any other 8390 cards. +ISA device autoprobes on a running machine are not recommended anyway. */ #if !defined(MODULE) && (defined(CONFIG_ISA) || defined(CONFIG_M32R)) /* Do we need a portlist for the ISA auto-probe ? */ #define NEEDS_PORTLIST @@ -118,7 +141,7 @@ bad_clone_list[] __initdata = { {"E-LAN100", "E-LAN200", {0x00, 0x00, 0x5d}}, /* Broken ne1000 clones */ {"PCM-4823", "PCM-4823", {0x00, 0xc0, 0x6c}}, /* Broken Advantech MoBo */ {"REALTEK", "RTL8019", {0x00, 0x00, 0xe8}}, /* no-name with Realtek chip */ -#if defined(CONFIG_TOSHIBA_RBTX4927) || defined(CONFIG_TOSHIBA_RBTX4938) +#ifdef CONFIG_MACH_TX49XX {"RBHMA4X00-RTL8019", "RBHMA4X00/RTL8019", {0x00, 0x60, 0x0a}}, /* Toshiba built-in */ #endif {"LCS-8834", "LCS-8836", {0x04, 0x04, 0x37}}, /* ShinyNet (SET) */ @@ -142,7 +165,7 @@ bad_clone_list[] __initdata = { #if defined(CONFIG_PLAT_MAPPI) # define DCR_VAL 0x4b #elif defined(CONFIG_PLAT_OAKS32R) || \ - defined(CONFIG_TOSHIBA_RBTX4927) || defined(CONFIG_TOSHIBA_RBTX4938) + defined(CONFIG_MACH_TX49XX) # define DCR_VAL 0x48 /* 8-bit mode */ #else # define DCR_VAL 0x49 @@ -151,9 +174,6 @@ bad_clone_list[] __initdata = { static int ne_probe1(struct net_device *dev, unsigned long ioaddr); static int ne_probe_isapnp(struct net_device *dev); -static int ne_open(struct net_device *dev); -static int ne_close(struct net_device *dev); - static void ne_reset_8390(struct net_device *dev); static void ne_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page); @@ -192,8 +212,13 @@ static int __init do_ne_probe(struct net_device *dev) #endif /* First check any supplied i/o locations. User knows best. */ - if (base_addr > 0x1ff) /* Check a single specified location. */ - return ne_probe1(dev, base_addr); + if (base_addr > 0x1ff) { /* Check a single specified location. */ + int ret = ne_probe1(dev, base_addr); + if (ret) + printk(KERN_WARNING "ne.c: No NE*000 card found at " + "i/o = %#lx\n", base_addr); + return ret; + } else if (base_addr != 0) /* Don't probe at all. */ return -ENXIO; @@ -214,28 +239,6 @@ static int __init do_ne_probe(struct net_device *dev) return -ENODEV; } -#ifndef MODULE -struct net_device * __init ne_probe(int unit) -{ - struct net_device *dev = alloc_ei_netdev(); - int err; - - if (!dev) - return ERR_PTR(-ENOMEM); - - sprintf(dev->name, "eth%d", unit); - netdev_boot_setup_check(dev); - - err = do_ne_probe(dev); - if (err) - goto out; - return dev; -out: - free_netdev(dev); - return ERR_PTR(err); -} -#endif - static int __init ne_probe_isapnp(struct net_device *dev) { int i; @@ -328,7 +331,7 @@ static int __init ne_probe1(struct net_device *dev, unsigned long ioaddr) with an otherwise unused dev->mem_end value of "0xBAD" will cause the driver to skip these parts of the probe. */ - bad_card = ((dev->base_addr != 0) && (dev->mem_end == 0xbad)); + bad_card = ((dev->base_addr != 0) && (dev->mem_end == BAD)); /* Reset card. Who knows what dain-bramaged state it was left in. */ @@ -354,7 +357,7 @@ static int __init ne_probe1(struct net_device *dev, unsigned long ioaddr) } /* Read the 16 bytes of station address PROM. - We must first initialize registers, similar to NS8390_init(eifdev, 0). + We must first initialize registers, similar to NS8390p_init(eifdev, 0). We can't reliably read the SAPROM address without this. (I learned the hard way!). */ { @@ -375,7 +378,7 @@ static int __init ne_probe1(struct net_device *dev, unsigned long ioaddr) {E8390_RREAD+E8390_START, E8390_CMD}, }; - for (i = 0; i < sizeof(program_seq)/sizeof(program_seq[0]); i++) + for (i = 0; i < ARRAY_SIZE(program_seq); i++) outb_p(program_seq[i].value, ioaddr + program_seq[i].offset); } @@ -489,7 +492,7 @@ static int __init ne_probe1(struct net_device *dev, unsigned long ioaddr) /* Snarf the interrupt now. There's no point in waiting since we cannot share and the board will usually be enabled. */ - ret = request_irq(dev->irq, ei_interrupt, 0, name, dev); + ret = request_irq(dev->irq, eip_interrupt, 0, name, dev); if (ret) { printk (" unable to get IRQ %d (errno=%d).\n", dev->irq, ret); goto err_out; @@ -503,16 +506,14 @@ static int __init ne_probe1(struct net_device *dev, unsigned long ioaddr) for (i = 0 ; i < ETHER_ADDR_LEN ; i++) { dev->dev_addr[i] = SA_prom[i] = inb_p(ioaddr + EN1_PHYS_SHIFT(i)); - printk(" %2.2x", SA_prom[i]); } #else for(i = 0; i < ETHER_ADDR_LEN; i++) { - printk(" %2.2x", SA_prom[i]); dev->dev_addr[i] = SA_prom[i]; } #endif - printk("\n"); + printk("%pM\n", dev->dev_addr); ei_status.name = name; ei_status.tx_start_page = start_page; @@ -532,12 +533,9 @@ static int __init ne_probe1(struct net_device *dev, unsigned long ioaddr) ei_status.block_output = &ne_block_output; ei_status.get_8390_hdr = &ne_get_8390_hdr; ei_status.priv = 0; - dev->open = &ne_open; - dev->stop = &ne_close; -#ifdef CONFIG_NET_POLL_CONTROLLER - dev->poll_controller = ei_poll; -#endif - NS8390_init(dev, 0); + + dev->netdev_ops = &eip_netdev_ops; + NS8390p_init(dev, 0); ret = register_netdev(dev); if (ret) @@ -553,20 +551,6 @@ err_out: return ret; } -static int ne_open(struct net_device *dev) -{ - ei_open(dev); - return 0; -} - -static int ne_close(struct net_device *dev) -{ - if (ei_debug > 1) - printk(KERN_DEBUG "%s: Shutting down ethercard.\n", dev->name); - ei_close(dev); - return 0; -} - /* Hard reset the card. This used to pause for the same period that a 8390 reset command required, but that shouldn't be necessary. */ @@ -795,7 +779,7 @@ retry: if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */ printk(KERN_WARNING "%s: timeout waiting for Tx RDC.\n", dev->name); ne_reset_8390(dev); - NS8390_init(dev,1); + NS8390p_init(dev, 1); break; } @@ -807,46 +791,95 @@ retry: static int __init ne_drv_probe(struct platform_device *pdev) { struct net_device *dev; + int err, this_dev = pdev->id; struct resource *res; - int err, irq; - res = platform_get_resource(pdev, IORESOURCE_IO, 0); - irq = platform_get_irq(pdev, 0); - if (!res || irq < 0) - return -ENODEV; - - dev = alloc_ei_netdev(); + dev = alloc_eip_netdev(); if (!dev) return -ENOMEM; - dev->irq = irq; - dev->base_addr = res->start; + + /* ne.c doesn't populate resources in platform_device, but + * rbtx4927_ne_init and rbtx4938_ne_init do register devices + * with resources. + */ + res = platform_get_resource(pdev, IORESOURCE_IO, 0); + if (res) { + dev->base_addr = res->start; + dev->irq = platform_get_irq(pdev, 0); + } else { + if (this_dev < 0 || this_dev >= MAX_NE_CARDS) + return -EINVAL; + dev->base_addr = io[this_dev]; + dev->irq = irq[this_dev]; + dev->mem_end = bad[this_dev]; + } err = do_ne_probe(dev); if (err) { free_netdev(dev); return err; } platform_set_drvdata(pdev, dev); + + /* Update with any values found by probing, don't update if + * resources were specified. + */ + if (!res) { + io[this_dev] = dev->base_addr; + irq[this_dev] = dev->irq; + } return 0; } -static int __exit ne_drv_remove(struct platform_device *pdev) +static int ne_drv_remove(struct platform_device *pdev) { struct net_device *dev = platform_get_drvdata(pdev); - unregister_netdev(dev); - free_irq(dev->irq, dev); - release_region(dev->base_addr, NE_IO_EXTENT); - free_netdev(dev); + if (dev) { + struct pnp_dev *idev = (struct pnp_dev *)ei_status.priv; + netif_device_detach(dev); + unregister_netdev(dev); + if (idev) + pnp_device_detach(idev); + /* Careful ne_drv_remove can be called twice, once from + * the platform_driver.remove and again when the + * platform_device is being removed. + */ + ei_status.priv = 0; + free_irq(dev->irq, dev); + release_region(dev->base_addr, NE_IO_EXTENT); + free_netdev(dev); + platform_set_drvdata(pdev, NULL); + } return 0; } +/* Remove unused devices or all if true. */ +static void ne_loop_rm_unreg(int all) +{ + int this_dev; + struct platform_device *pdev; + for (this_dev = 0; this_dev < MAX_NE_CARDS; this_dev++) { + pdev = pdev_ne[this_dev]; + /* No network device == unused */ + if (pdev && (!platform_get_drvdata(pdev) || all)) { + ne_drv_remove(pdev); + platform_device_unregister(pdev); + pdev_ne[this_dev] = NULL; + } + } +} + #ifdef CONFIG_PM static int ne_drv_suspend(struct platform_device *pdev, pm_message_t state) { struct net_device *dev = platform_get_drvdata(pdev); - if (netif_running(dev)) + if (netif_running(dev)) { + struct pnp_dev *idev = (struct pnp_dev *)ei_status.priv; netif_device_detach(dev); + if (idev) + pnp_stop_dev(idev); + } return 0; } @@ -855,8 +888,11 @@ static int ne_drv_resume(struct platform_device *pdev) struct net_device *dev = platform_get_drvdata(pdev); if (netif_running(dev)) { + struct pnp_dev *idev = (struct pnp_dev *)ei_status.priv; + if (idev) + pnp_start_dev(idev); ne_reset_8390(dev); - NS8390_init(dev, 1); + NS8390p_init(dev, 1); netif_device_attach(dev); } return 0; @@ -867,7 +903,7 @@ static int ne_drv_resume(struct platform_device *pdev) #endif static struct platform_driver ne_driver = { - .remove = __exit_p(ne_drv_remove), + .remove = ne_drv_remove, .suspend = ne_drv_suspend, .resume = ne_drv_resume, .driver = { @@ -876,91 +912,96 @@ static struct platform_driver ne_driver = { }, }; -static int __init ne_init(void) +static void __init ne_add_devices(void) { - return platform_driver_probe(&ne_driver, ne_drv_probe); -} + int this_dev; + struct platform_device *pdev; -static void __exit ne_exit(void) -{ - platform_driver_unregister(&ne_driver); + for (this_dev = 0; this_dev < MAX_NE_CARDS; this_dev++) { + if (pdev_ne[this_dev]) + continue; + pdev = platform_device_register_simple( + DRV_NAME, this_dev, NULL, 0); + if (IS_ERR(pdev)) + continue; + pdev_ne[this_dev] = pdev; + } } #ifdef MODULE -#define MAX_NE_CARDS 4 /* Max number of NE cards per module */ -static struct net_device *dev_ne[MAX_NE_CARDS]; -static int io[MAX_NE_CARDS]; -static int irq[MAX_NE_CARDS]; -static int bad[MAX_NE_CARDS]; /* 0xbad = bad sig or no reset ack */ - -module_param_array(io, int, NULL, 0); -module_param_array(irq, int, NULL, 0); -module_param_array(bad, int, NULL, 0); -MODULE_PARM_DESC(io, "I/O base address(es),required"); -MODULE_PARM_DESC(irq, "IRQ number(s)"); -MODULE_PARM_DESC(bad, "Accept card(s) with bad signatures"); -MODULE_DESCRIPTION("NE1000/NE2000 ISA/PnP Ethernet driver"); -MODULE_LICENSE("GPL"); - -/* This is set up so that no ISA autoprobe takes place. We can't guarantee -that the ne2k probe is the last 8390 based probe to take place (as it -is at boot) and so the probe will get confused by any other 8390 cards. -ISA device autoprobes on a running machine are not recommended anyway. */ - int __init init_module(void) { - int this_dev, found = 0; - int plat_found = !ne_init(); - - for (this_dev = 0; this_dev < MAX_NE_CARDS; this_dev++) { - struct net_device *dev = alloc_ei_netdev(); - if (!dev) - break; - dev->irq = irq[this_dev]; - dev->mem_end = bad[this_dev]; - dev->base_addr = io[this_dev]; - if (do_ne_probe(dev) == 0) { - dev_ne[found++] = dev; - continue; - } - free_netdev(dev); - if (found || plat_found) - break; - if (io[this_dev] != 0) - printk(KERN_WARNING "ne.c: No NE*000 card found at i/o = %#x\n", io[this_dev]); - else - printk(KERN_NOTICE "ne.c: You must supply \"io=0xNNN\" value(s) for ISA cards.\n"); - return -ENXIO; + int retval; + ne_add_devices(); + retval = platform_driver_probe(&ne_driver, ne_drv_probe); + if (retval) { + if (io[0] == 0) + printk(KERN_NOTICE "ne.c: You must supply \"io=0xNNN\"" + " value(s) for ISA cards.\n"); + ne_loop_rm_unreg(1); + return retval; } - if (found || plat_found) - return 0; - return -ENODEV; -} -static void cleanup_card(struct net_device *dev) + /* Unregister unused platform_devices. */ + ne_loop_rm_unreg(0); + return retval; +} +#else /* MODULE */ +static int __init ne_init(void) { - struct pnp_dev *idev = (struct pnp_dev *)ei_status.priv; - if (idev) - pnp_device_detach(idev); - free_irq(dev->irq, dev); - release_region(dev->base_addr, NE_IO_EXTENT); + int retval = platform_driver_probe(&ne_driver, ne_drv_probe); + + /* Unregister unused platform_devices. */ + ne_loop_rm_unreg(0); + return retval; } +module_init(ne_init); -void __exit cleanup_module(void) +struct net_device * __init ne_probe(int unit) { int this_dev; + struct net_device *dev; + + /* Find an empty slot, that is no net_device and zero io port. */ + this_dev = 0; + while ((pdev_ne[this_dev] && platform_get_drvdata(pdev_ne[this_dev])) || + io[this_dev]) { + if (++this_dev == MAX_NE_CARDS) + return ERR_PTR(-ENOMEM); + } + + /* Get irq, io from kernel command line */ + dev = alloc_eip_netdev(); + if (!dev) + return ERR_PTR(-ENOMEM); + + sprintf(dev->name, "eth%d", unit); + netdev_boot_setup_check(dev); + + io[this_dev] = dev->base_addr; + irq[this_dev] = dev->irq; + bad[this_dev] = dev->mem_end; - ne_exit(); + free_netdev(dev); + + ne_add_devices(); + + /* return the first device found */ for (this_dev = 0; this_dev < MAX_NE_CARDS; this_dev++) { - struct net_device *dev = dev_ne[this_dev]; - if (dev) { - unregister_netdev(dev); - cleanup_card(dev); - free_netdev(dev); + if (pdev_ne[this_dev]) { + dev = platform_get_drvdata(pdev_ne[this_dev]); + if (dev) + return dev; } } + + return ERR_PTR(-ENODEV); } -#else /* MODULE */ -module_init(ne_init); -module_exit(ne_exit); #endif /* MODULE */ + +static void __exit ne_exit(void) +{ + platform_driver_unregister(&ne_driver); + ne_loop_rm_unreg(1); +} +module_exit(ne_exit);