summaryrefslogtreecommitdiff
path: root/drivers/net/ax88796.c
diff options
context:
space:
mode:
authorJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-04-02 06:20:12 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-08-10 19:54:25 -0700
commit644570b830266ff33ff5f3542b9c838f93a55ea6 (patch)
treeb19c680ce1b1e4cd15465c74aa335459068c033f /drivers/net/ax88796.c
parentb955f6ca776f3bab3d1e2c5fb1d247b203cbda14 (diff)
8390: Move the 8390 related drivers
Moves the drivers for the National Semi-conductor 8390 chipset into drivers/net/ethernet/8390/ and the necessary Kconfig and Makefile changes. CC: Donald Becker <becker@scyld.com> CC: Paul Gortmaker <paul.gortmaker@windriver.com> CC: Alain Malek <alain.malek@cryogen.com> CC: Peter De Schrijver <p2@mind.be> CC: "David Huggins-Daines" <dhd@debian.org> CC: Wim Dumon <wimpie@kotnet.org> CC: Yoshinori Sato <ysato@users.sourceforge.jp> CC: David Hinds <dahinds@users.sourceforge.net> CC: Russell King <linux@arm.linux.org.uk> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ax88796.c')
-rw-r--r--drivers/net/ax88796.c1010
1 files changed, 0 insertions, 1010 deletions
diff --git a/drivers/net/ax88796.c b/drivers/net/ax88796.c
deleted file mode 100644
index e7cb8c8b9776..000000000000
--- a/drivers/net/ax88796.c
+++ /dev/null
@@ -1,1010 +0,0 @@
-/* drivers/net/ax88796.c
- *
- * Copyright 2005,2007 Simtec Electronics
- * Ben Dooks <ben@simtec.co.uk>
- *
- * Asix AX88796 10/100 Ethernet controller support
- * Based on ne.c, by Donald Becker, et-al.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/isapnp.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/platform_device.h>
-#include <linux/delay.h>
-#include <linux/timer.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/ethtool.h>
-#include <linux/mdio-bitbang.h>
-#include <linux/phy.h>
-#include <linux/eeprom_93cx6.h>
-#include <linux/slab.h>
-
-#include <net/ax88796.h>
-
-#include <asm/system.h>
-
-/* Rename the lib8390.c functions to show that they are in this driver */
-#define __ei_open ax_ei_open
-#define __ei_close ax_ei_close
-#define __ei_poll ax_ei_poll
-#define __ei_start_xmit ax_ei_start_xmit
-#define __ei_tx_timeout ax_ei_tx_timeout
-#define __ei_get_stats ax_ei_get_stats
-#define __ei_set_multicast_list ax_ei_set_multicast_list
-#define __ei_interrupt ax_ei_interrupt
-#define ____alloc_ei_netdev ax__alloc_ei_netdev
-#define __NS8390_init ax_NS8390_init
-
-/* force unsigned long back to 'void __iomem *' */
-#define ax_convert_addr(_a) ((void __force __iomem *)(_a))
-
-#define ei_inb(_a) readb(ax_convert_addr(_a))
-#define ei_outb(_v, _a) writeb(_v, ax_convert_addr(_a))
-
-#define ei_inb_p(_a) ei_inb(_a)
-#define ei_outb_p(_v, _a) ei_outb(_v, _a)
-
-/* define EI_SHIFT() to take into account our register offsets */
-#define EI_SHIFT(x) (ei_local->reg_offset[(x)])
-
-/* Ensure we have our RCR base value */
-#define AX88796_PLATFORM
-
-static unsigned char version[] = "ax88796.c: Copyright 2005,2007 Simtec Electronics\n";
-
-#include "lib8390.c"
-
-#define DRV_NAME "ax88796"
-#define DRV_VERSION "1.00"
-
-/* from ne.c */
-#define NE_CMD EI_SHIFT(0x00)
-#define NE_RESET EI_SHIFT(0x1f)
-#define NE_DATAPORT EI_SHIFT(0x10)
-
-#define NE1SM_START_PG 0x20 /* First page of TX buffer */
-#define NE1SM_STOP_PG 0x40 /* Last page +1 of RX ring */
-#define NESM_START_PG 0x40 /* First page of TX buffer */
-#define NESM_STOP_PG 0x80 /* Last page +1 of RX ring */
-
-#define AX_GPOC_PPDSET BIT(6)
-
-/* device private data */
-
-struct ax_device {
- struct mii_bus *mii_bus;
- struct mdiobb_ctrl bb_ctrl;
- struct phy_device *phy_dev;
- void __iomem *addr_memr;
- u8 reg_memr;
- int link;
- int speed;
- int duplex;
-
- void __iomem *map2;
- const struct ax_plat_data *plat;
-
- unsigned char running;
- unsigned char resume_open;
- unsigned int irqflags;
-
- u32 reg_offsets[0x20];
-};
-
-static inline struct ax_device *to_ax_dev(struct net_device *dev)
-{
- struct ei_device *ei_local = netdev_priv(dev);
- return (struct ax_device *)(ei_local + 1);
-}
-
-/*
- * ax_initial_check
- *
- * do an initial probe for the card to check wether it exists
- * and is functional
- */
-static int ax_initial_check(struct net_device *dev)
-{
- struct ei_device *ei_local = netdev_priv(dev);
- void __iomem *ioaddr = ei_local->mem;
- int reg0;
- int regd;
-
- reg0 = ei_inb(ioaddr);
- if (reg0 == 0xFF)
- return -ENODEV;
-
- ei_outb(E8390_NODMA + E8390_PAGE1 + E8390_STOP, ioaddr + E8390_CMD);
- regd = ei_inb(ioaddr + 0x0d);
- ei_outb(0xff, ioaddr + 0x0d);
- ei_outb(E8390_NODMA + E8390_PAGE0, ioaddr + E8390_CMD);
- ei_inb(ioaddr + EN0_COUNTER0); /* Clear the counter by reading. */
- if (ei_inb(ioaddr + EN0_COUNTER0) != 0) {
- ei_outb(reg0, ioaddr);
- ei_outb(regd, ioaddr + 0x0d); /* Restore the old values. */
- return -ENODEV;
- }
-
- 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 ax_reset_8390(struct net_device *dev)
-{
- struct ei_device *ei_local = netdev_priv(dev);
- unsigned long reset_start_time = jiffies;
- void __iomem *addr = (void __iomem *)dev->base_addr;
-
- if (ei_debug > 1)
- netdev_dbg(dev, "resetting the 8390 t=%ld\n", jiffies);
-
- ei_outb(ei_inb(addr + NE_RESET), addr + NE_RESET);
-
- ei_local->txing = 0;
- ei_local->dmaing = 0;
-
- /* This check _should_not_ be necessary, omit eventually. */
- while ((ei_inb(addr + EN0_ISR) & ENISR_RESET) == 0) {
- if (jiffies - reset_start_time > 2 * HZ / 100) {
- netdev_warn(dev, "%s: did not complete.\n", __func__);
- break;
- }
- }
-
- ei_outb(ENISR_RESET, addr + EN0_ISR); /* Ack intr. */
-}
-
-
-static void ax_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr,
- int ring_page)
-{
- struct ei_device *ei_local = netdev_priv(dev);
- void __iomem *nic_base = ei_local->mem;
-
- /* This *shouldn't* happen. If it does, it's the last thing you'll see */
- if (ei_local->dmaing) {
- netdev_err(dev, "DMAing conflict in %s "
- "[DMAstat:%d][irqlock:%d].\n",
- __func__,
- ei_local->dmaing, ei_local->irqlock);
- return;
- }
-
- ei_local->dmaing |= 0x01;
- ei_outb(E8390_NODMA + E8390_PAGE0 + E8390_START, nic_base + NE_CMD);
- ei_outb(sizeof(struct e8390_pkt_hdr), nic_base + EN0_RCNTLO);
- ei_outb(0, nic_base + EN0_RCNTHI);
- ei_outb(0, nic_base + EN0_RSARLO); /* On page boundary */
- ei_outb(ring_page, nic_base + EN0_RSARHI);
- ei_outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
-
- if (ei_local->word16)
- readsw(nic_base + NE_DATAPORT, hdr,
- sizeof(struct e8390_pkt_hdr) >> 1);
- else
- readsb(nic_base + NE_DATAPORT, hdr,
- sizeof(struct e8390_pkt_hdr));
-
- ei_outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
- ei_local->dmaing &= ~0x01;
-
- le16_to_cpus(&hdr->count);
-}
-
-
-/*
- * 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 ei_outb.
- */
-static void ax_block_input(struct net_device *dev, int count,
- struct sk_buff *skb, int ring_offset)
-{
- struct ei_device *ei_local = netdev_priv(dev);
- void __iomem *nic_base = ei_local->mem;
- char *buf = skb->data;
-
- if (ei_local->dmaing) {
- netdev_err(dev,
- "DMAing conflict in %s "
- "[DMAstat:%d][irqlock:%d].\n",
- __func__,
- ei_local->dmaing, ei_local->irqlock);
- return;
- }
-
- ei_local->dmaing |= 0x01;
-
- ei_outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base + NE_CMD);
- ei_outb(count & 0xff, nic_base + EN0_RCNTLO);
- ei_outb(count >> 8, nic_base + EN0_RCNTHI);
- ei_outb(ring_offset & 0xff, nic_base + EN0_RSARLO);
- ei_outb(ring_offset >> 8, nic_base + EN0_RSARHI);
- ei_outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
-
- if (ei_local->word16) {
- readsw(nic_base + NE_DATAPORT, buf, count >> 1);
- if (count & 0x01)
- buf[count-1] = ei_inb(nic_base + NE_DATAPORT);
-
- } else {
- readsb(nic_base + NE_DATAPORT, buf, count);
- }
-
- ei_local->dmaing &= ~1;
-}
-
-static void ax_block_output(struct net_device *dev, int count,
- const unsigned char *buf, const int start_page)
-{
- struct ei_device *ei_local = netdev_priv(dev);
- void __iomem *nic_base = ei_local->mem;
- unsigned long dma_start;
-
- /*
- * Round the count up for word writes. Do we need to do this?
- * What effect will an odd byte count have on the 8390? I
- * should check someday.
- */
- if (ei_local->word16 && (count & 0x01))
- count++;
-
- /* This *shouldn't* happen. If it does, it's the last thing you'll see */
- if (ei_local->dmaing) {
- netdev_err(dev, "DMAing conflict in %s."
- "[DMAstat:%d][irqlock:%d]\n",
- __func__,
- ei_local->dmaing, ei_local->irqlock);
- return;
- }
-
- ei_local->dmaing |= 0x01;
- /* We should already be in page 0, but to be safe... */
- ei_outb(E8390_PAGE0+E8390_START+E8390_NODMA, nic_base + NE_CMD);
-
- ei_outb(ENISR_RDC, nic_base + EN0_ISR);
-
- /* Now the normal output. */
- ei_outb(count & 0xff, nic_base + EN0_RCNTLO);
- ei_outb(count >> 8, nic_base + EN0_RCNTHI);
- ei_outb(0x00, nic_base + EN0_RSARLO);
- ei_outb(start_page, nic_base + EN0_RSARHI);
-
- ei_outb(E8390_RWRITE+E8390_START, nic_base + NE_CMD);
- if (ei_local->word16)
- writesw(nic_base + NE_DATAPORT, buf, count >> 1);
- else
- writesb(nic_base + NE_DATAPORT, buf, count);
-
- dma_start = jiffies;
-
- while ((ei_inb(nic_base + EN0_ISR) & ENISR_RDC) == 0) {
- if (jiffies - dma_start > 2 * HZ / 100) { /* 20ms */
- netdev_warn(dev, "timeout waiting for Tx RDC.\n");
- ax_reset_8390(dev);
- ax_NS8390_init(dev, 1);
- break;
- }
- }
-
- ei_outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
- ei_local->dmaing &= ~0x01;
-}
-
-/* definitions for accessing MII/EEPROM interface */
-
-#define AX_MEMR EI_SHIFT(0x14)
-#define AX_MEMR_MDC BIT(0)
-#define AX_MEMR_MDIR BIT(1)
-#define AX_MEMR_MDI BIT(2)
-#define AX_MEMR_MDO BIT(3)
-#define AX_MEMR_EECS BIT(4)
-#define AX_MEMR_EEI BIT(5)
-#define AX_MEMR_EEO BIT(6)
-#define AX_MEMR_EECLK BIT(7)
-
-static void ax_handle_link_change(struct net_device *dev)
-{
- struct ax_device *ax = to_ax_dev(dev);
- struct phy_device *phy_dev = ax->phy_dev;
- int status_change = 0;
-
- if (phy_dev->link && ((ax->speed != phy_dev->speed) ||
- (ax->duplex != phy_dev->duplex))) {
-
- ax->speed = phy_dev->speed;
- ax->duplex = phy_dev->duplex;
- status_change = 1;
- }
-
- if (phy_dev->link != ax->link) {
- if (!phy_dev->link) {
- ax->speed = 0;
- ax->duplex = -1;
- }
- ax->link = phy_dev->link;
-
- status_change = 1;
- }
-
- if (status_change)
- phy_print_status(phy_dev);
-}
-
-static int ax_mii_probe(struct net_device *dev)
-{
- struct ax_device *ax = to_ax_dev(dev);
- struct phy_device *phy_dev = NULL;
- int ret;
-
- /* find the first phy */
- phy_dev = phy_find_first(ax->mii_bus);
- if (!phy_dev) {
- netdev_err(dev, "no PHY found\n");
- return -ENODEV;
- }
-
- ret = phy_connect_direct(dev, phy_dev, ax_handle_link_change, 0,
- PHY_INTERFACE_MODE_MII);
- if (ret) {
- netdev_err(dev, "Could not attach to PHY\n");
- return ret;
- }
-
- /* mask with MAC supported features */
- phy_dev->supported &= PHY_BASIC_FEATURES;
- phy_dev->advertising = phy_dev->supported;
-
- ax->phy_dev = phy_dev;
-
- netdev_info(dev, "PHY driver [%s] (mii_bus:phy_addr=%s, irq=%d)\n",
- phy_dev->drv->name, dev_name(&phy_dev->dev), phy_dev->irq);
-
- return 0;
-}
-
-static void ax_phy_switch(struct net_device *dev, int on)
-{
- struct ei_device *ei_local = netdev_priv(dev);
- struct ax_device *ax = to_ax_dev(dev);
-
- u8 reg_gpoc = ax->plat->gpoc_val;
-
- if (!!on)
- reg_gpoc &= ~AX_GPOC_PPDSET;
- else
- reg_gpoc |= AX_GPOC_PPDSET;
-
- ei_outb(reg_gpoc, ei_local->mem + EI_SHIFT(0x17));
-}
-
-static int ax_open(struct net_device *dev)
-{
- struct ax_device *ax = to_ax_dev(dev);
- int ret;
-
- netdev_dbg(dev, "open\n");
-
- ret = request_irq(dev->irq, ax_ei_interrupt, ax->irqflags,
- dev->name, dev);
- if (ret)
- goto failed_request_irq;
-
- /* turn the phy on (if turned off) */
- ax_phy_switch(dev, 1);
-
- ret = ax_mii_probe(dev);
- if (ret)
- goto failed_mii_probe;
- phy_start(ax->phy_dev);
-
- ret = ax_ei_open(dev);
- if (ret)
- goto failed_ax_ei_open;
-
- ax->running = 1;
-
- return 0;
-
- failed_ax_ei_open:
- phy_disconnect(ax->phy_dev);
- failed_mii_probe:
- ax_phy_switch(dev, 0);
- free_irq(dev->irq, dev);
- failed_request_irq:
- return ret;
-}
-
-static int ax_close(struct net_device *dev)
-{
- struct ax_device *ax = to_ax_dev(dev);
-
- netdev_dbg(dev, "close\n");
-
- ax->running = 0;
- wmb();
-
- ax_ei_close(dev);
-
- /* turn the phy off */
- ax_phy_switch(dev, 0);
- phy_disconnect(ax->phy_dev);
-
- free_irq(dev->irq, dev);
- return 0;
-}
-
-static int ax_ioctl(struct net_device *dev, struct ifreq *req, int cmd)
-{
- struct ax_device *ax = to_ax_dev(dev);
- struct phy_device *phy_dev = ax->phy_dev;
-
- if (!netif_running(dev))
- return -EINVAL;
-
- if (!phy_dev)
- return -ENODEV;
-
- return phy_mii_ioctl(phy_dev, req, cmd);
-}
-
-/* ethtool ops */
-
-static void ax_get_drvinfo(struct net_device *dev,
- struct ethtool_drvinfo *info)
-{
- struct platform_device *pdev = to_platform_device(dev->dev.parent);
-
- strcpy(info->driver, DRV_NAME);
- strcpy(info->version, DRV_VERSION);
- strcpy(info->bus_info, pdev->name);
-}
-
-static int ax_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
- struct ax_device *ax = to_ax_dev(dev);
- struct phy_device *phy_dev = ax->phy_dev;
-
- if (!phy_dev)
- return -ENODEV;
-
- return phy_ethtool_gset(phy_dev, cmd);
-}
-
-static int ax_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
- struct ax_device *ax = to_ax_dev(dev);
- struct phy_device *phy_dev = ax->phy_dev;
-
- if (!phy_dev)
- return -ENODEV;
-
- return phy_ethtool_sset(phy_dev, cmd);
-}
-
-static const struct ethtool_ops ax_ethtool_ops = {
- .get_drvinfo = ax_get_drvinfo,
- .get_settings = ax_get_settings,
- .set_settings = ax_set_settings,
- .get_link = ethtool_op_get_link,
-};
-
-#ifdef CONFIG_AX88796_93CX6
-static void ax_eeprom_register_read(struct eeprom_93cx6 *eeprom)
-{
- struct ei_device *ei_local = eeprom->data;
- u8 reg = ei_inb(ei_local->mem + AX_MEMR);
-
- eeprom->reg_data_in = reg & AX_MEMR_EEI;
- eeprom->reg_data_out = reg & AX_MEMR_EEO; /* Input pin */
- eeprom->reg_data_clock = reg & AX_MEMR_EECLK;
- eeprom->reg_chip_select = reg & AX_MEMR_EECS;
-}
-
-static void ax_eeprom_register_write(struct eeprom_93cx6 *eeprom)
-{
- struct ei_device *ei_local = eeprom->data;
- u8 reg = ei_inb(ei_local->mem + AX_MEMR);
-
- reg &= ~(AX_MEMR_EEI | AX_MEMR_EECLK | AX_MEMR_EECS);
-
- if (eeprom->reg_data_in)
- reg |= AX_MEMR_EEI;
- if (eeprom->reg_data_clock)
- reg |= AX_MEMR_EECLK;
- if (eeprom->reg_chip_select)
- reg |= AX_MEMR_EECS;
-
- ei_outb(reg, ei_local->mem + AX_MEMR);
- udelay(10);
-}
-#endif
-
-static const struct net_device_ops ax_netdev_ops = {
- .ndo_open = ax_open,
- .ndo_stop = ax_close,
- .ndo_do_ioctl = ax_ioctl,
-
- .ndo_start_xmit = ax_ei_start_xmit,
- .ndo_tx_timeout = ax_ei_tx_timeout,
- .ndo_get_stats = ax_ei_get_stats,
- .ndo_set_multicast_list = ax_ei_set_multicast_list,
- .ndo_validate_addr = eth_validate_addr,
- .ndo_set_mac_address = eth_mac_addr,
- .ndo_change_mtu = eth_change_mtu,
-#ifdef CONFIG_NET_POLL_CONTROLLER
- .ndo_poll_controller = ax_ei_poll,
-#endif
-};
-
-static void ax_bb_mdc(struct mdiobb_ctrl *ctrl, int level)
-{
- struct ax_device *ax = container_of(ctrl, struct ax_device, bb_ctrl);
-
- if (level)
- ax->reg_memr |= AX_MEMR_MDC;
- else
- ax->reg_memr &= ~AX_MEMR_MDC;
-
- ei_outb(ax->reg_memr, ax->addr_memr);
-}
-
-static void ax_bb_dir(struct mdiobb_ctrl *ctrl, int output)
-{
- struct ax_device *ax = container_of(ctrl, struct ax_device, bb_ctrl);
-
- if (output)
- ax->reg_memr &= ~AX_MEMR_MDIR;
- else
- ax->reg_memr |= AX_MEMR_MDIR;
-
- ei_outb(ax->reg_memr, ax->addr_memr);
-}
-
-static void ax_bb_set_data(struct mdiobb_ctrl *ctrl, int value)
-{
- struct ax_device *ax = container_of(ctrl, struct ax_device, bb_ctrl);
-
- if (value)
- ax->reg_memr |= AX_MEMR_MDO;
- else
- ax->reg_memr &= ~AX_MEMR_MDO;
-
- ei_outb(ax->reg_memr, ax->addr_memr);
-}
-
-static int ax_bb_get_data(struct mdiobb_ctrl *ctrl)
-{
- struct ax_device *ax = container_of(ctrl, struct ax_device, bb_ctrl);
- int reg_memr = ei_inb(ax->addr_memr);
-
- return reg_memr & AX_MEMR_MDI ? 1 : 0;
-}
-
-static struct mdiobb_ops bb_ops = {
- .owner = THIS_MODULE,
- .set_mdc = ax_bb_mdc,
- .set_mdio_dir = ax_bb_dir,
- .set_mdio_data = ax_bb_set_data,
- .get_mdio_data = ax_bb_get_data,
-};
-
-/* setup code */
-
-static int ax_mii_init(struct net_device *dev)
-{
- struct platform_device *pdev = to_platform_device(dev->dev.parent);
- struct ei_device *ei_local = netdev_priv(dev);
- struct ax_device *ax = to_ax_dev(dev);
- int err, i;
-
- ax->bb_ctrl.ops = &bb_ops;
- ax->addr_memr = ei_local->mem + AX_MEMR;
- ax->mii_bus = alloc_mdio_bitbang(&ax->bb_ctrl);
- if (!ax->mii_bus) {
- err = -ENOMEM;
- goto out;
- }
-
- ax->mii_bus->name = "ax88796_mii_bus";
- ax->mii_bus->parent = dev->dev.parent;
- snprintf(ax->mii_bus->id, MII_BUS_ID_SIZE, "%x", pdev->id);
-
- ax->mii_bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
- if (!ax->mii_bus->irq) {
- err = -ENOMEM;
- goto out_free_mdio_bitbang;
- }
-
- for (i = 0; i < PHY_MAX_ADDR; i++)
- ax->mii_bus->irq[i] = PHY_POLL;
-
- err = mdiobus_register(ax->mii_bus);
- if (err)
- goto out_free_irq;
-
- return 0;
-
- out_free_irq:
- kfree(ax->mii_bus->irq);
- out_free_mdio_bitbang:
- free_mdio_bitbang(ax->mii_bus);
- out:
- return err;
-}
-
-static void ax_initial_setup(struct net_device *dev, struct ei_device *ei_local)
-{
- void __iomem *ioaddr = ei_local->mem;
- struct ax_device *ax = to_ax_dev(dev);
-
- /* Select page 0 */
- ei_outb(E8390_NODMA + E8390_PAGE0 + E8390_STOP, ioaddr + E8390_CMD);
-
- /* set to byte access */
- ei_outb(ax->plat->dcr_val & ~1, ioaddr + EN0_DCFG);
- ei_outb(ax->plat->gpoc_val, ioaddr + EI_SHIFT(0x17));
-}
-
-/*
- * ax_init_dev
- *
- * initialise the specified device, taking care to note the MAC
- * address it may already have (if configured), ensure
- * the device is ready to be used by lib8390.c and registerd with
- * the network layer.
- */
-static int ax_init_dev(struct net_device *dev)
-{
- struct ei_device *ei_local = netdev_priv(dev);
- struct ax_device *ax = to_ax_dev(dev);
- void __iomem *ioaddr = ei_local->mem;
- unsigned int start_page;
- unsigned int stop_page;
- int ret;
- int i;
-
- ret = ax_initial_check(dev);
- if (ret)
- goto err_out;
-
- /* setup goes here */
-
- ax_initial_setup(dev, ei_local);
-
- /* read the mac from the card prom if we need it */
-
- if (ax->plat->flags & AXFLG_HAS_EEPROM) {
- unsigned char SA_prom[32];
-
- for (i = 0; i < sizeof(SA_prom); i += 2) {
- SA_prom[i] = ei_inb(ioaddr + NE_DATAPORT);
- SA_prom[i + 1] = ei_inb(ioaddr + NE_DATAPORT);
- }
-
- if (ax->plat->wordlength == 2)
- for (i = 0; i < 16; i++)
- SA_prom[i] = SA_prom[i+i];
-
- memcpy(dev->dev_addr, SA_prom, 6);
- }
-
-#ifdef CONFIG_AX88796_93CX6
- if (ax->plat->flags & AXFLG_HAS_93CX6) {
- unsigned char mac_addr[6];
- struct eeprom_93cx6 eeprom;
-
- eeprom.data = ei_local;
- eeprom.register_read = ax_eeprom_register_read;
- eeprom.register_write = ax_eeprom_register_write;
- eeprom.width = PCI_EEPROM_WIDTH_93C56;
-
- eeprom_93cx6_multiread(&eeprom, 0,
- (__le16 __force *)mac_addr,
- sizeof(mac_addr) >> 1);
-
- memcpy(dev->dev_addr, mac_addr, 6);
- }
-#endif
- if (ax->plat->wordlength == 2) {
- /* We must set the 8390 for word mode. */
- ei_outb(ax->plat->dcr_val, ei_local->mem + EN0_DCFG);
- start_page = NESM_START_PG;
- stop_page = NESM_STOP_PG;
- } else {
- start_page = NE1SM_START_PG;
- stop_page = NE1SM_STOP_PG;
- }
-
- /* load the mac-address from the device */
- if (ax->plat->flags & AXFLG_MAC_FROMDEV) {
- ei_outb(E8390_NODMA + E8390_PAGE1 + E8390_STOP,
- ei_local->mem + E8390_CMD); /* 0x61 */
- for (i = 0; i < ETHER_ADDR_LEN; i++)
- dev->dev_addr[i] =
- ei_inb(ioaddr + EN1_PHYS_SHIFT(i));
- }
-
- if ((ax->plat->flags & AXFLG_MAC_FROMPLATFORM) &&
- ax->plat->mac_addr)
- memcpy(dev->dev_addr, ax->plat->mac_addr,
- ETHER_ADDR_LEN);
-
- ax_reset_8390(dev);
-
- ei_local->name = "AX88796";
- ei_local->tx_start_page = start_page;
- ei_local->stop_page = stop_page;
- ei_local->word16 = (ax->plat->wordlength == 2);
- ei_local->rx_start_page = start_page + TX_PAGES;
-
-#ifdef PACKETBUF_MEMSIZE
- /* Allow the packet buffer size to be overridden by know-it-alls. */
- ei_local->stop_page = ei_local->tx_start_page + PACKETBUF_MEMSIZE;
-#endif
-
- ei_local->reset_8390 = &ax_reset_8390;
- ei_local->block_input = &ax_block_input;
- ei_local->block_output = &ax_block_output;
- ei_local->get_8390_hdr = &ax_get_8390_hdr;
- ei_local->priv = 0;
-
- dev->netdev_ops = &ax_netdev_ops;
- dev->ethtool_ops = &ax_ethtool_ops;
-
- ret = ax_mii_init(dev);
- if (ret)
- goto out_irq;
-
- ax_NS8390_init(dev, 0);
-
- ret = register_netdev(dev);
- if (ret)
- goto out_irq;
-
- netdev_info(dev, "%dbit, irq %d, %lx, MAC: %pM\n",
- ei_local->word16 ? 16 : 8, dev->irq, dev->base_addr,
- dev->dev_addr);
-
- return 0;
-
- out_irq:
- /* cleanup irq */
- free_irq(dev->irq, dev);
- err_out:
- return ret;
-}
-
-static int ax_remove(struct platform_device *pdev)
-{
- struct net_device *dev = platform_get_drvdata(pdev);
- struct ei_device *ei_local = netdev_priv(dev);
- struct ax_device *ax = to_ax_dev(dev);
- struct resource *mem;
-
- unregister_netdev(dev);
- free_irq(dev->irq, dev);
-
- iounmap(ei_local->mem);
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(mem->start, resource_size(mem));
-
- if (ax->map2) {
- iounmap(ax->map2);
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- release_mem_region(mem->start, resource_size(mem));
- }
-
- free_netdev(dev);
-
- return 0;
-}
-
-/*
- * ax_probe
- *
- * This is the entry point when the platform device system uses to
- * notify us of a new device to attach to. Allocate memory, find the
- * resources and information passed, and map the necessary registers.
- */
-static int ax_probe(struct platform_device *pdev)
-{
- struct net_device *dev;
- struct ei_device *ei_local;
- struct ax_device *ax;
- struct resource *irq, *mem, *mem2;
- resource_size_t mem_size, mem2_size = 0;
- int ret = 0;
-
- dev = ax__alloc_ei_netdev(sizeof(struct ax_device));
- if (dev == NULL)
- return -ENOMEM;
-
- /* ok, let's setup our device */
- SET_NETDEV_DEV(dev, &pdev->dev);
- ei_local = netdev_priv(dev);
- ax = to_ax_dev(dev);
-
- ax->plat = pdev->dev.platform_data;
- platform_set_drvdata(pdev, dev);
-
- ei_local->rxcr_base = ax->plat->rcr_val;
-
- /* find the platform resources */
- irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (!irq) {
- dev_err(&pdev->dev, "no IRQ specified\n");
- ret = -ENXIO;
- goto exit_mem;
- }
-
- dev->irq = irq->start;
- ax->irqflags = irq->flags & IRQF_TRIGGER_MASK;
-
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!mem) {
- dev_err(&pdev->dev, "no MEM specified\n");
- ret = -ENXIO;
- goto exit_mem;
- }
-
- mem_size = resource_size(mem);
-
- /*
- * setup the register offsets from either the platform data or
- * by using the size of the resource provided
- */
- if (ax->plat->reg_offsets)
- ei_local->reg_offset = ax->plat->reg_offsets;
- else {
- ei_local->reg_offset = ax->reg_offsets;
- for (ret = 0; ret < 0x18; ret++)
- ax->reg_offsets[ret] = (mem_size / 0x18) * ret;
- }
-
- if (!request_mem_region(mem->start, mem_size, pdev->name)) {
- dev_err(&pdev->dev, "cannot reserve registers\n");
- ret = -ENXIO;
- goto exit_mem;
- }
-
- ei_local->mem = ioremap(mem->start, mem_size);
- dev->base_addr = (unsigned long)ei_local->mem;
-
- if (ei_local->mem == NULL) {
- dev_err(&pdev->dev, "Cannot ioremap area %pR\n", mem);
-
- ret = -ENXIO;
- goto exit_req;
- }
-
- /* look for reset area */
- mem2 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- if (!mem2) {
- if (!ax->plat->reg_offsets) {
- for (ret = 0; ret < 0x20; ret++)
- ax->reg_offsets[ret] = (mem_size / 0x20) * ret;
- }
- } else {
- mem2_size = resource_size(mem2);
-
- if (!request_mem_region(mem2->start, mem2_size, pdev->name)) {
- dev_err(&pdev->dev, "cannot reserve registers\n");
- ret = -ENXIO;
- goto exit_mem1;
- }
-
- ax->map2 = ioremap(mem2->start, mem2_size);
- if (!ax->map2) {
- dev_err(&pdev->dev, "cannot map reset register\n");
- ret = -ENXIO;
- goto exit_mem2;
- }
-
- ei_local->reg_offset[0x1f] = ax->map2 - ei_local->mem;
- }
-
- /* got resources, now initialise and register device */
- ret = ax_init_dev(dev);
- if (!ret)
- return 0;
-
- if (!ax->map2)
- goto exit_mem1;
-
- iounmap(ax->map2);
-
- exit_mem2:
- release_mem_region(mem2->start, mem2_size);
-
- exit_mem1:
- iounmap(ei_local->mem);
-
- exit_req:
- release_mem_region(mem->start, mem_size);
-
- exit_mem:
- free_netdev(dev);
-
- return ret;
-}
-
-/* suspend and resume */
-
-#ifdef CONFIG_PM
-static int ax_suspend(struct platform_device *dev, pm_message_t state)
-{
- struct net_device *ndev = platform_get_drvdata(dev);
- struct ax_device *ax = to_ax_dev(ndev);
-
- ax->resume_open = ax->running;
-
- netif_device_detach(ndev);
- ax_close(ndev);
-
- return 0;
-}
-
-static int ax_resume(struct platform_device *pdev)
-{
- struct net_device *ndev = platform_get_drvdata(pdev);
- struct ax_device *ax = to_ax_dev(ndev);
-
- ax_initial_setup(ndev, netdev_priv(ndev));
- ax_NS8390_init(ndev, ax->resume_open);
- netif_device_attach(ndev);
-
- if (ax->resume_open)
- ax_open(ndev);
-
- return 0;
-}
-
-#else
-#define ax_suspend NULL
-#define ax_resume NULL
-#endif
-
-static struct platform_driver axdrv = {
- .driver = {
- .name = "ax88796",
- .owner = THIS_MODULE,
- },
- .probe = ax_probe,
- .remove = ax_remove,
- .suspend = ax_suspend,
- .resume = ax_resume,
-};
-
-static int __init axdrv_init(void)
-{
- return platform_driver_register(&axdrv);
-}
-
-static void __exit axdrv_exit(void)
-{
- platform_driver_unregister(&axdrv);
-}
-
-module_init(axdrv_init);
-module_exit(axdrv_exit);
-
-MODULE_DESCRIPTION("AX88796 10/100 Ethernet platform driver");
-MODULE_AUTHOR("Ben Dooks, <ben@simtec.co.uk>");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:ax88796");