From 644570b830266ff33ff5f3542b9c838f93a55ea6 Mon Sep 17 00:00:00 2001 From: Jeff Kirsher Date: Sat, 2 Apr 2011 06:20:12 -0700 Subject: 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 CC: Paul Gortmaker CC: Alain Malek CC: Peter De Schrijver CC: "David Huggins-Daines" CC: Wim Dumon CC: Yoshinori Sato CC: David Hinds CC: Russell King Signed-off-by: Jeff Kirsher --- drivers/net/ax88796.c | 1010 ------------------------------------------------- 1 file changed, 1010 deletions(-) delete mode 100644 drivers/net/ax88796.c (limited to 'drivers/net/ax88796.c') 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 - * - * 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 -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -#include - -/* 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, "); -MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("platform:ax88796"); -- cgit v1.2.3