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