| /* ne2k-pci.c: A NE2000 clone on PCI bus driver for Linux. */ |
| /* |
| A Linux device driver for PCI NE2000 clones. |
| |
| Authors and other copyright holders: |
| 1992-2000 by Donald Becker, NE2000 core and various modifications. |
| 1995-1998 by Paul Gortmaker, core modifications and PCI support. |
| Copyright 1993 assigned to the United States Government as represented |
| by the Director, National Security Agency. |
| |
| This software may be used and distributed according to the terms of |
| the GNU General Public License (GPL), incorporated herein by reference. |
| Drivers based on or derived from this code fall under the GPL and must |
| retain the authorship, copyright and license notice. This file is not |
| a complete program and may only be used when the entire operating |
| system is licensed under the GPL. |
| |
| The author may be reached as becker@scyld.com, or C/O |
| Scyld Computing Corporation |
| 410 Severn Ave., Suite 210 |
| Annapolis MD 21403 |
| |
| Issues remaining: |
| People are making PCI ne2000 clones! Oh the horror, the horror... |
| Limited full-duplex support. |
| */ |
| |
| #define DRV_NAME "ne2k-pci" |
| #define DRV_VERSION "1.03" |
| #define DRV_RELDATE "9/22/2003" |
| |
| |
| /* The user-configurable values. |
| These may be modified when a driver module is loaded.*/ |
| |
| static int debug = 1; /* 1 normal messages, 0 quiet .. 7 verbose. */ |
| |
| #define MAX_UNITS 8 /* More are supported, limit only on options */ |
| /* Used to pass the full-duplex flag, etc. */ |
| static int full_duplex[MAX_UNITS]; |
| static int options[MAX_UNITS]; |
| |
| /* Force a non std. amount of memory. Units are 256 byte pages. */ |
| /* #define PACKETBUF_MEMSIZE 0x40 */ |
| |
| |
| #include <linux/module.h> |
| #include <linux/kernel.h> |
| #include <linux/errno.h> |
| #include <linux/pci.h> |
| #include <linux/init.h> |
| #include <linux/interrupt.h> |
| #include <linux/ethtool.h> |
| #include <linux/netdevice.h> |
| #include <linux/etherdevice.h> |
| |
| #include <asm/system.h> |
| #include <asm/io.h> |
| #include <asm/irq.h> |
| #include <asm/uaccess.h> |
| |
| #include "8390.h" |
| |
| /* These identify the driver base version and may not be removed. */ |
| static char version[] __devinitdata = |
| KERN_INFO DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " D. Becker/P. Gortmaker\n"; |
| |
| #if defined(__powerpc__) |
| #define inl_le(addr) le32_to_cpu(inl(addr)) |
| #define inw_le(addr) le16_to_cpu(inw(addr)) |
| #endif |
| |
| #define PFX DRV_NAME ": " |
| |
| MODULE_AUTHOR("Donald Becker / Paul Gortmaker"); |
| MODULE_DESCRIPTION("PCI NE2000 clone driver"); |
| MODULE_LICENSE("GPL"); |
| |
| module_param(debug, int, 0); |
| module_param_array(options, int, NULL, 0); |
| module_param_array(full_duplex, int, NULL, 0); |
| MODULE_PARM_DESC(debug, "debug level (1-2)"); |
| MODULE_PARM_DESC(options, "Bit 5: full duplex"); |
| MODULE_PARM_DESC(full_duplex, "full duplex setting(s) (1)"); |
| |
| /* Some defines that people can play with if so inclined. */ |
| |
| /* Use 32 bit data-movement operations instead of 16 bit. */ |
| #define USE_LONGIO |
| |
| /* Do we implement the read before write bugfix ? */ |
| /* #define NE_RW_BUGFIX */ |
| |
| /* Flags. We rename an existing ei_status field to store flags! */ |
| /* Thus only the low 8 bits are usable for non-init-time flags. */ |
| #define ne2k_flags reg0 |
| enum { |
| ONLY_16BIT_IO=8, ONLY_32BIT_IO=4, /* Chip can do only 16/32-bit xfers. */ |
| FORCE_FDX=0x20, /* User override. */ |
| REALTEK_FDX=0x40, HOLTEK_FDX=0x80, |
| STOP_PG_0x60=0x100, |
| }; |
| |
| enum ne2k_pci_chipsets { |
| CH_RealTek_RTL_8029 = 0, |
| CH_Winbond_89C940, |
| CH_Compex_RL2000, |
| CH_KTI_ET32P2, |
| CH_NetVin_NV5000SC, |
| CH_Via_86C926, |
| CH_SureCom_NE34, |
| CH_Winbond_W89C940F, |
| CH_Holtek_HT80232, |
| CH_Holtek_HT80229, |
| CH_Winbond_89C940_8c4a, |
| }; |
| |
| |
| static struct { |
| char *name; |
| int flags; |
| } pci_clone_list[] __devinitdata = { |
| {"RealTek RTL-8029", REALTEK_FDX}, |
| {"Winbond 89C940", 0}, |
| {"Compex RL2000", 0}, |
| {"KTI ET32P2", 0}, |
| {"NetVin NV5000SC", 0}, |
| {"Via 86C926", ONLY_16BIT_IO}, |
| {"SureCom NE34", 0}, |
| {"Winbond W89C940F", 0}, |
| {"Holtek HT80232", ONLY_16BIT_IO | HOLTEK_FDX}, |
| {"Holtek HT80229", ONLY_32BIT_IO | HOLTEK_FDX | STOP_PG_0x60 }, |
| {"Winbond W89C940(misprogrammed)", 0}, |
| {NULL,} |
| }; |
| |
| |
| static struct pci_device_id ne2k_pci_tbl[] = { |
| { 0x10ec, 0x8029, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_RealTek_RTL_8029 }, |
| { 0x1050, 0x0940, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Winbond_89C940 }, |
| { 0x11f6, 0x1401, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Compex_RL2000 }, |
| { 0x8e2e, 0x3000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_KTI_ET32P2 }, |
| { 0x4a14, 0x5000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_NetVin_NV5000SC }, |
| { 0x1106, 0x0926, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Via_86C926 }, |
| { 0x10bd, 0x0e34, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_SureCom_NE34 }, |
| { 0x1050, 0x5a5a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Winbond_W89C940F }, |
| { 0x12c3, 0x0058, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Holtek_HT80232 }, |
| { 0x12c3, 0x5598, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Holtek_HT80229 }, |
| { 0x8c4a, 0x1980, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Winbond_89C940_8c4a }, |
| { 0, } |
| }; |
| MODULE_DEVICE_TABLE(pci, ne2k_pci_tbl); |
| |
| |
| /* ---- No user-serviceable parts below ---- */ |
| |
| #define NE_BASE (dev->base_addr) |
| #define NE_CMD 0x00 |
| #define NE_DATAPORT 0x10 /* NatSemi-defined port window offset. */ |
| #define NE_RESET 0x1f /* Issue a read to reset, a write to clear. */ |
| #define NE_IO_EXTENT 0x20 |
| |
| #define NESM_START_PG 0x40 /* First page of TX buffer */ |
| #define NESM_STOP_PG 0x80 /* Last page +1 of RX ring */ |
| |
| |
| static int ne2k_pci_open(struct net_device *dev); |
| static int ne2k_pci_close(struct net_device *dev); |
| |
| static void ne2k_pci_reset_8390(struct net_device *dev); |
| static void ne2k_pci_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, |
| int ring_page); |
| static void ne2k_pci_block_input(struct net_device *dev, int count, |
| struct sk_buff *skb, int ring_offset); |
| static void ne2k_pci_block_output(struct net_device *dev, const int count, |
| const unsigned char *buf, const int start_page); |
| static const struct ethtool_ops ne2k_pci_ethtool_ops; |
| |
| |
| |
| /* There is no room in the standard 8390 structure for extra info we need, |
| so we build a meta/outer-wrapper structure.. */ |
| struct ne2k_pci_card { |
| struct net_device *dev; |
| struct pci_dev *pci_dev; |
| }; |
| |
| |
| |
| /* |
| NEx000-clone boards have a Station Address (SA) PROM (SAPROM) in the packet |
| buffer memory space. By-the-spec NE2000 clones have 0x57,0x57 in bytes |
| 0x0e,0x0f of the SAPROM, while other supposed NE2000 clones must be |
| detected by their SA prefix. |
| |
| Reading the SAPROM from a word-wide card with the 8390 set in byte-wide |
| mode results in doubled values, which can be detected and compensated for. |
| |
| The probe is also responsible for initializing the card and filling |
| in the 'dev' and 'ei_status' structures. |
| */ |
| |
| |
| static int __devinit ne2k_pci_init_one (struct pci_dev *pdev, |
| const struct pci_device_id *ent) |
| { |
| struct net_device *dev; |
| int i; |
| unsigned char SA_prom[32]; |
| int start_page, stop_page; |
| int irq, reg0, chip_idx = ent->driver_data; |
| static unsigned int fnd_cnt; |
| long ioaddr; |
| int flags = pci_clone_list[chip_idx].flags; |
| |
| /* when built into the kernel, we only print version if device is found */ |
| #ifndef MODULE |
| static int printed_version; |
| if (!printed_version++) |
| printk(version); |
| #endif |
| |
| fnd_cnt++; |
| |
| i = pci_enable_device (pdev); |
| if (i) |
| return i; |
| |
| ioaddr = pci_resource_start (pdev, 0); |
| irq = pdev->irq; |
| |
| if (!ioaddr || ((pci_resource_flags (pdev, 0) & IORESOURCE_IO) == 0)) { |
| dev_err(&pdev->dev, "no I/O resource at PCI BAR #0\n"); |
| return -ENODEV; |
| } |
| |
| if (request_region (ioaddr, NE_IO_EXTENT, DRV_NAME) == NULL) { |
| dev_err(&pdev->dev, "I/O resource 0x%x @ 0x%lx busy\n", |
| NE_IO_EXTENT, ioaddr); |
| return -EBUSY; |
| } |
| |
| reg0 = inb(ioaddr); |
| if (reg0 == 0xFF) |
| goto err_out_free_res; |
| |
| /* Do a preliminary verification that we have a 8390. */ |
| { |
| int regd; |
| outb(E8390_NODMA+E8390_PAGE1+E8390_STOP, ioaddr + E8390_CMD); |
| regd = inb(ioaddr + 0x0d); |
| outb(0xff, ioaddr + 0x0d); |
| outb(E8390_NODMA+E8390_PAGE0, ioaddr + E8390_CMD); |
| inb(ioaddr + EN0_COUNTER0); /* Clear the counter by reading. */ |
| if (inb(ioaddr + EN0_COUNTER0) != 0) { |
| outb(reg0, ioaddr); |
| outb(regd, ioaddr + 0x0d); /* Restore the old values. */ |
| goto err_out_free_res; |
| } |
| } |
| |
| /* Allocate net_device, dev->priv; fill in 8390 specific dev fields. */ |
| dev = alloc_ei_netdev(); |
| if (!dev) { |
| dev_err(&pdev->dev, "cannot allocate ethernet device\n"); |
| goto err_out_free_res; |
| } |
| SET_NETDEV_DEV(dev, &pdev->dev); |
| |
| /* Reset card. Who knows what dain-bramaged state it was left in. */ |
| { |
| unsigned long reset_start_time = jiffies; |
| |
| outb(inb(ioaddr + NE_RESET), ioaddr + NE_RESET); |
| |
| /* This looks like a horrible timing loop, but it should never take |
| more than a few cycles. |
| */ |
| while ((inb(ioaddr + EN0_ISR) & ENISR_RESET) == 0) |
| /* Limit wait: '2' avoids jiffy roll-over. */ |
| if (jiffies - reset_start_time > 2) { |
| dev_err(&pdev->dev, |
| "Card failure (no reset ack).\n"); |
| goto err_out_free_netdev; |
| } |
| |
| outb(0xff, ioaddr + EN0_ISR); /* Ack all intr. */ |
| } |
| |
| /* Read the 16 bytes of station address PROM. |
| We must first initialize registers, similar to NS8390_init(eifdev, 0). |
| We can't reliably read the SAPROM address without this. |
| (I learned the hard way!). */ |
| { |
| struct {unsigned char value, offset; } program_seq[] = { |
| {E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD}, /* Select page 0*/ |
| {0x49, EN0_DCFG}, /* Set word-wide access. */ |
| {0x00, EN0_RCNTLO}, /* Clear the count regs. */ |
| {0x00, EN0_RCNTHI}, |
| {0x00, EN0_IMR}, /* Mask completion irq. */ |
| {0xFF, EN0_ISR}, |
| {E8390_RXOFF, EN0_RXCR}, /* 0x20 Set to monitor */ |
| {E8390_TXOFF, EN0_TXCR}, /* 0x02 and loopback mode. */ |
| {32, EN0_RCNTLO}, |
| {0x00, EN0_RCNTHI}, |
| {0x00, EN0_RSARLO}, /* DMA starting at 0x0000. */ |
| {0x00, EN0_RSARHI}, |
| {E8390_RREAD+E8390_START, E8390_CMD}, |
| }; |
| for (i = 0; i < ARRAY_SIZE(program_seq); i++) |
| outb(program_seq[i].value, ioaddr + program_seq[i].offset); |
| |
| } |
| |
| /* Note: all PCI cards have at least 16 bit access, so we don't have |
| to check for 8 bit cards. Most cards permit 32 bit access. */ |
| if (flags & ONLY_32BIT_IO) { |
| for (i = 0; i < 4 ; i++) |
| ((u32 *)SA_prom)[i] = le32_to_cpu(inl(ioaddr + NE_DATAPORT)); |
| } else |
| for(i = 0; i < 32 /*sizeof(SA_prom)*/; i++) |
| SA_prom[i] = inb(ioaddr + NE_DATAPORT); |
| |
| /* We always set the 8390 registers for word mode. */ |
| outb(0x49, ioaddr + EN0_DCFG); |
| start_page = NESM_START_PG; |
| |
| stop_page = flags & STOP_PG_0x60 ? 0x60 : NESM_STOP_PG; |
| |
| /* Set up the rest of the parameters. */ |
| dev->irq = irq; |
| dev->base_addr = ioaddr; |
| pci_set_drvdata(pdev, dev); |
| |
| ei_status.name = pci_clone_list[chip_idx].name; |
| ei_status.tx_start_page = start_page; |
| ei_status.stop_page = stop_page; |
| ei_status.word16 = 1; |
| ei_status.ne2k_flags = flags; |
| if (fnd_cnt < MAX_UNITS) { |
| if (full_duplex[fnd_cnt] > 0 || (options[fnd_cnt] & FORCE_FDX)) |
| ei_status.ne2k_flags |= FORCE_FDX; |
| } |
| |
| ei_status.rx_start_page = start_page + TX_PAGES; |
| #ifdef PACKETBUF_MEMSIZE |
| /* Allow the packet buffer size to be overridden by know-it-alls. */ |
| ei_status.stop_page = ei_status.tx_start_page + PACKETBUF_MEMSIZE; |
| #endif |
| |
| ei_status.reset_8390 = &ne2k_pci_reset_8390; |
| ei_status.block_input = &ne2k_pci_block_input; |
| ei_status.block_output = &ne2k_pci_block_output; |
| ei_status.get_8390_hdr = &ne2k_pci_get_8390_hdr; |
| ei_status.priv = (unsigned long) pdev; |
| dev->open = &ne2k_pci_open; |
| dev->stop = &ne2k_pci_close; |
| dev->ethtool_ops = &ne2k_pci_ethtool_ops; |
| #ifdef CONFIG_NET_POLL_CONTROLLER |
| dev->poll_controller = ei_poll; |
| #endif |
| NS8390_init(dev, 0); |
| |
| i = register_netdev(dev); |
| if (i) |
| goto err_out_free_netdev; |
| |
| printk("%s: %s found at %#lx, IRQ %d, ", |
| dev->name, pci_clone_list[chip_idx].name, ioaddr, dev->irq); |
| for(i = 0; i < 6; i++) { |
| printk("%2.2X%s", SA_prom[i], i == 5 ? ".\n": ":"); |
| dev->dev_addr[i] = SA_prom[i]; |
| } |
| memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); |
| |
| return 0; |
| |
| err_out_free_netdev: |
| free_netdev (dev); |
| err_out_free_res: |
| release_region (ioaddr, NE_IO_EXTENT); |
| pci_set_drvdata (pdev, NULL); |
| return -ENODEV; |
| |
| } |
| |
| /* |
| * Magic incantation sequence for full duplex on the supported cards. |
| */ |
| static inline int set_realtek_fdx(struct net_device *dev) |
| { |
| long ioaddr = dev->base_addr; |
| |
| outb(0xC0 + E8390_NODMA, ioaddr + NE_CMD); /* Page 3 */ |
| outb(0xC0, ioaddr + 0x01); /* Enable writes to CONFIG3 */ |
| outb(0x40, ioaddr + 0x06); /* Enable full duplex */ |
| outb(0x00, ioaddr + 0x01); /* Disable writes to CONFIG3 */ |
| outb(E8390_PAGE0 + E8390_NODMA, ioaddr + NE_CMD); /* Page 0 */ |
| return 0; |
| } |
| |
| static inline int set_holtek_fdx(struct net_device *dev) |
| { |
| long ioaddr = dev->base_addr; |
| |
| outb(inb(ioaddr + 0x20) | 0x80, ioaddr + 0x20); |
| return 0; |
| } |
| |
| static int ne2k_pci_set_fdx(struct net_device *dev) |
| { |
| if (ei_status.ne2k_flags & REALTEK_FDX) |
| return set_realtek_fdx(dev); |
| else if (ei_status.ne2k_flags & HOLTEK_FDX) |
| return set_holtek_fdx(dev); |
| |
| return -EOPNOTSUPP; |
| } |
| |
| static int ne2k_pci_open(struct net_device *dev) |
| { |
| int ret = request_irq(dev->irq, ei_interrupt, IRQF_SHARED, dev->name, dev); |
| if (ret) |
| return ret; |
| |
| if (ei_status.ne2k_flags & FORCE_FDX) |
| ne2k_pci_set_fdx(dev); |
| |
| ei_open(dev); |
| return 0; |
| } |
| |
| static int ne2k_pci_close(struct net_device *dev) |
| { |
| ei_close(dev); |
| free_irq(dev->irq, 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. */ |
| static void ne2k_pci_reset_8390(struct net_device *dev) |
| { |
| unsigned long reset_start_time = jiffies; |
| |
| if (debug > 1) printk("%s: Resetting the 8390 t=%ld...", |
| dev->name, jiffies); |
| |
| outb(inb(NE_BASE + NE_RESET), NE_BASE + NE_RESET); |
| |
| ei_status.txing = 0; |
| ei_status.dmaing = 0; |
| |
| /* This check _should_not_ be necessary, omit eventually. */ |
| while ((inb(NE_BASE+EN0_ISR) & ENISR_RESET) == 0) |
| if (jiffies - reset_start_time > 2) { |
| printk("%s: ne2k_pci_reset_8390() did not complete.\n", dev->name); |
| break; |
| } |
| outb(ENISR_RESET, NE_BASE + EN0_ISR); /* Ack intr. */ |
| } |
| |
| /* Grab the 8390 specific header. Similar to the block_input routine, but |
| we don't need to be concerned with ring wrap as the header will be at |
| the start of a page, so we optimize accordingly. */ |
| |
| static void ne2k_pci_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page) |
| { |
| |
| long nic_base = dev->base_addr; |
| |
| /* This *shouldn't* happen. If it does, it's the last thing you'll see */ |
| if (ei_status.dmaing) { |
| printk("%s: DMAing conflict in ne2k_pci_get_8390_hdr " |
| "[DMAstat:%d][irqlock:%d].\n", |
| dev->name, ei_status.dmaing, ei_status.irqlock); |
| return; |
| } |
| |
| ei_status.dmaing |= 0x01; |
| outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD); |
| outb(sizeof(struct e8390_pkt_hdr), nic_base + EN0_RCNTLO); |
| outb(0, nic_base + EN0_RCNTHI); |
| outb(0, nic_base + EN0_RSARLO); /* On page boundary */ |
| outb(ring_page, nic_base + EN0_RSARHI); |
| outb(E8390_RREAD+E8390_START, nic_base + NE_CMD); |
| |
| if (ei_status.ne2k_flags & ONLY_16BIT_IO) { |
| insw(NE_BASE + NE_DATAPORT, hdr, sizeof(struct e8390_pkt_hdr)>>1); |
| } else { |
| *(u32*)hdr = le32_to_cpu(inl(NE_BASE + NE_DATAPORT)); |
| le16_to_cpus(&hdr->count); |
| } |
| |
| outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */ |
| ei_status.dmaing &= ~0x01; |
| } |
| |
| /* Block input and output, similar to the Crynwr packet driver. If you |
| are porting to a new ethercard, look at the packet driver source for hints. |
| The NEx000 doesn't share the on-board packet memory -- you have to put |
| the packet out through the "remote DMA" dataport using outb. */ |
| |
| static void ne2k_pci_block_input(struct net_device *dev, int count, |
| struct sk_buff *skb, int ring_offset) |
| { |
| long nic_base = dev->base_addr; |
| char *buf = skb->data; |
| |
| /* This *shouldn't* happen. If it does, it's the last thing you'll see */ |
| if (ei_status.dmaing) { |
| printk("%s: DMAing conflict in ne2k_pci_block_input " |
| "[DMAstat:%d][irqlock:%d].\n", |
| dev->name, ei_status.dmaing, ei_status.irqlock); |
| return; |
| } |
| ei_status.dmaing |= 0x01; |
| if (ei_status.ne2k_flags & ONLY_32BIT_IO) |
| count = (count + 3) & 0xFFFC; |
| outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD); |
| outb(count & 0xff, nic_base + EN0_RCNTLO); |
| outb(count >> 8, nic_base + EN0_RCNTHI); |
| outb(ring_offset & 0xff, nic_base + EN0_RSARLO); |
| outb(ring_offset >> 8, nic_base + EN0_RSARHI); |
| outb(E8390_RREAD+E8390_START, nic_base + NE_CMD); |
| |
| if (ei_status.ne2k_flags & ONLY_16BIT_IO) { |
| insw(NE_BASE + NE_DATAPORT,buf,count>>1); |
| if (count & 0x01) { |
| buf[count-1] = inb(NE_BASE + NE_DATAPORT); |
| } |
| } else { |
| insl(NE_BASE + NE_DATAPORT, buf, count>>2); |
| if (count & 3) { |
| buf += count & ~3; |
| if (count & 2) { |
| u16 *b = (u16 *)buf; |
| |
| *b++ = le16_to_cpu(inw(NE_BASE + NE_DATAPORT)); |
| buf = (char *)b; |
| } |
| if (count & 1) |
| *buf = inb(NE_BASE + NE_DATAPORT); |
| } |
| } |
| |
| outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */ |
| ei_status.dmaing &= ~0x01; |
| } |
| |
| static void ne2k_pci_block_output(struct net_device *dev, int count, |
| const unsigned char *buf, const int start_page) |
| { |
| long nic_base = NE_BASE; |
| unsigned long dma_start; |
| |
| /* On little-endian it's always safe to round the count up for |
| word writes. */ |
| if (ei_status.ne2k_flags & ONLY_32BIT_IO) |
| count = (count + 3) & 0xFFFC; |
| else |
| if (count & 0x01) |
| count++; |
| |
| /* This *shouldn't* happen. If it does, it's the last thing you'll see */ |
| if (ei_status.dmaing) { |
| printk("%s: DMAing conflict in ne2k_pci_block_output." |
| "[DMAstat:%d][irqlock:%d]\n", |
| dev->name, ei_status.dmaing, ei_status.irqlock); |
| return; |
| } |
| ei_status.dmaing |= 0x01; |
| /* We should already be in page 0, but to be safe... */ |
| outb(E8390_PAGE0+E8390_START+E8390_NODMA, nic_base + NE_CMD); |
| |
| #ifdef NE8390_RW_BUGFIX |
| /* Handle the read-before-write bug the same way as the |
| Crynwr packet driver -- the NatSemi method doesn't work. |
| Actually this doesn't always work either, but if you have |
| problems with your NEx000 this is better than nothing! */ |
| outb(0x42, nic_base + EN0_RCNTLO); |
| outb(0x00, nic_base + EN0_RCNTHI); |
| outb(0x42, nic_base + EN0_RSARLO); |
| outb(0x00, nic_base + EN0_RSARHI); |
| outb(E8390_RREAD+E8390_START, nic_base + NE_CMD); |
| #endif |
| outb(ENISR_RDC, nic_base + EN0_ISR); |
| |
| /* Now the normal output. */ |
| outb(count & 0xff, nic_base + EN0_RCNTLO); |
| outb(count >> 8, nic_base + EN0_RCNTHI); |
| outb(0x00, nic_base + EN0_RSARLO); |
| outb(start_page, nic_base + EN0_RSARHI); |
| outb(E8390_RWRITE+E8390_START, nic_base + NE_CMD); |
| if (ei_status.ne2k_flags & ONLY_16BIT_IO) { |
| outsw(NE_BASE + NE_DATAPORT, buf, count>>1); |
| } else { |
| outsl(NE_BASE + NE_DATAPORT, buf, count>>2); |
| if (count & 3) { |
| buf += count & ~3; |
| if (count & 2) { |
| u16 *b = (u16 *)buf; |
| |
| outw(cpu_to_le16(*b++), NE_BASE + NE_DATAPORT); |
| buf = (char *)b; |
| } |
| } |
| } |
| |
| dma_start = jiffies; |
| |
| while ((inb(nic_base + EN0_ISR) & ENISR_RDC) == 0) |
| if (jiffies - dma_start > 2) { /* Avoid clock roll-over. */ |
| printk(KERN_WARNING "%s: timeout waiting for Tx RDC.\n", dev->name); |
| ne2k_pci_reset_8390(dev); |
| NS8390_init(dev,1); |
| break; |
| } |
| |
| outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */ |
| ei_status.dmaing &= ~0x01; |
| return; |
| } |
| |
| static void ne2k_pci_get_drvinfo(struct net_device *dev, |
| struct ethtool_drvinfo *info) |
| { |
| struct ei_device *ei = dev->priv; |
| struct pci_dev *pci_dev = (struct pci_dev *) ei->priv; |
| |
| strcpy(info->driver, DRV_NAME); |
| strcpy(info->version, DRV_VERSION); |
| strcpy(info->bus_info, pci_name(pci_dev)); |
| } |
| |
| static const struct ethtool_ops ne2k_pci_ethtool_ops = { |
| .get_drvinfo = ne2k_pci_get_drvinfo, |
| .get_tx_csum = ethtool_op_get_tx_csum, |
| .get_sg = ethtool_op_get_sg, |
| }; |
| |
| static void __devexit ne2k_pci_remove_one (struct pci_dev *pdev) |
| { |
| struct net_device *dev = pci_get_drvdata(pdev); |
| |
| BUG_ON(!dev); |
| unregister_netdev(dev); |
| release_region(dev->base_addr, NE_IO_EXTENT); |
| free_netdev(dev); |
| pci_disable_device(pdev); |
| pci_set_drvdata(pdev, NULL); |
| } |
| |
| #ifdef CONFIG_PM |
| static int ne2k_pci_suspend (struct pci_dev *pdev, pm_message_t state) |
| { |
| struct net_device *dev = pci_get_drvdata (pdev); |
| |
| netif_device_detach(dev); |
| pci_save_state(pdev); |
| pci_disable_device(pdev); |
| pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
| |
| return 0; |
| } |
| |
| static int ne2k_pci_resume (struct pci_dev *pdev) |
| { |
| struct net_device *dev = pci_get_drvdata (pdev); |
| int rc; |
| |
| pci_set_power_state(pdev, 0); |
| pci_restore_state(pdev); |
| |
| rc = pci_enable_device(pdev); |
| if (rc) |
| return rc; |
| |
| NS8390_init(dev, 1); |
| netif_device_attach(dev); |
| |
| return 0; |
| } |
| |
| #endif /* CONFIG_PM */ |
| |
| |
| static struct pci_driver ne2k_driver = { |
| .name = DRV_NAME, |
| .probe = ne2k_pci_init_one, |
| .remove = __devexit_p(ne2k_pci_remove_one), |
| .id_table = ne2k_pci_tbl, |
| #ifdef CONFIG_PM |
| .suspend = ne2k_pci_suspend, |
| .resume = ne2k_pci_resume, |
| #endif /* CONFIG_PM */ |
| |
| }; |
| |
| |
| static int __init ne2k_pci_init(void) |
| { |
| /* when a module, this is printed whether or not devices are found in probe */ |
| #ifdef MODULE |
| printk(version); |
| #endif |
| return pci_register_driver(&ne2k_driver); |
| } |
| |
| |
| static void __exit ne2k_pci_cleanup(void) |
| { |
| pci_unregister_driver (&ne2k_driver); |
| } |
| |
| module_init(ne2k_pci_init); |
| module_exit(ne2k_pci_cleanup); |