* 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/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 <net/ax88796.h>
#include <asm/system.h>
-#include <asm/io.h>
-static int phy_debug = 0;
+static int phy_debug;
/* 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_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_get_stats ax_ei_get_stats
#define __ei_set_multicast_list ax_ei_set_multicast_list
-#define __ei_interrupt ax_ei_interrupt
+#define __ei_interrupt ax_ei_interrupt
#define ____alloc_ei_netdev ax__alloc_ei_netdev
-#define __NS8390_init ax_NS8390_init
+#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_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_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)])
+#define EI_SHIFT(x) (ei_local->reg_offset[(x)])
/* Ensure we have our RCR base value */
#define AX88796_PLATFORM
#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 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 */
/* device private data */
struct ax_device {
- struct timer_list mii_timer;
- spinlock_t mii_lock;
- struct mii_if_info mii;
-
- u32 msg_enable;
- void __iomem *map2;
- struct platform_device *dev;
- struct resource *mem;
- struct resource *mem2;
- struct ax_plat_data *plat;
-
- unsigned char running;
- unsigned char resume_open;
- unsigned int irqflags;
-
- u32 reg_offsets[0x20];
+ struct timer_list mii_timer;
+ spinlock_t mii_lock;
+ struct mii_if_info mii;
+
+ u32 msg_enable;
+ void __iomem *map2;
+ struct platform_device *dev;
+ struct resource *mem;
+ struct resource *mem2;
+ 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);
+ return (struct ax_device *)(ei_local + 1);
}
-/* ax_initial_check
+/*
+ * 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);
if (reg0 == 0xFF)
return -ENODEV;
- ei_outb(E8390_NODMA+E8390_PAGE1+E8390_STOP, ioaddr + E8390_CMD);
+ 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_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);
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. */
-
+/*
+ * 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);
- struct ax_device *ax = to_ax_dev(dev);
+ struct ax_device *ax = to_ax_dev(dev);
unsigned long reset_start_time = jiffies;
void __iomem *addr = (void __iomem *)dev->base_addr;
/* 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) {
+ if (jiffies - reset_start_time > 2 * HZ / 100) {
dev_warn(&ax->dev->dev, "%s: %s did not complete.\n",
__func__, dev->name);
break;
int ring_page)
{
struct ei_device *ei_local = netdev_priv(dev);
- struct ax_device *ax = to_ax_dev(dev);
+ struct ax_device *ax = to_ax_dev(dev);
void __iomem *nic_base = ei_local->mem;
/* This *shouldn't* happen. If it does, it's the last thing you'll see */
}
ei_status.dmaing |= 0x01;
- ei_outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD);
+ 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(E8390_RREAD+E8390_START, nic_base + NE_CMD);
if (ei_status.word16)
- readsw(nic_base + NE_DATAPORT, hdr, sizeof(struct e8390_pkt_hdr)>>1);
+ readsw(nic_base + NE_DATAPORT, hdr,
+ sizeof(struct e8390_pkt_hdr) >> 1);
else
- readsb(nic_base + NE_DATAPORT, hdr, sizeof(struct e8390_pkt_hdr));
+ readsb(nic_base + NE_DATAPORT, hdr,
+ sizeof(struct e8390_pkt_hdr));
ei_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 ei_outb. */
-
+/*
+ * 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);
- struct ax_device *ax = to_ax_dev(dev);
+ struct ax_device *ax = to_ax_dev(dev);
void __iomem *nic_base = ei_local->mem;
char *buf = skb->data;
ei_status.dmaing |= 0x01;
- ei_outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD);
+ 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);
const unsigned char *buf, const int start_page)
{
struct ei_device *ei_local = netdev_priv(dev);
- struct ax_device *ax = to_ax_dev(dev);
+ struct ax_device *ax = to_ax_dev(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. */
-
+ /*
+ * 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_status.word16 && (count & 0x01))
count++;
/* Now the normal output. */
ei_outb(count & 0xff, nic_base + EN0_RCNTLO);
- ei_outb(count >> 8, nic_base + EN0_RCNTHI);
+ 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_status.word16) {
- writesw(nic_base + NE_DATAPORT, buf, count>>1);
- } else {
+ if (ei_status.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 */
+ if (jiffies - dma_start > 2 * HZ / 100) { /* 20ms */
dev_warn(&ax->dev->dev,
"%s: timeout waiting for Tx RDC.\n", dev->name);
ax_reset_8390(dev);
- ax_NS8390_init(dev,1);
+ ax_NS8390_init(dev, 1);
break;
}
}
/* definitions for accessing MII/EEPROM interface */
#define AX_MEMR EI_SHIFT(0x14)
-#define AX_MEMR_MDC (1<<0)
-#define AX_MEMR_MDIR (1<<1)
-#define AX_MEMR_MDI (1<<2)
-#define AX_MEMR_MDO (1<<3)
-#define AX_MEMR_EECS (1<<4)
-#define AX_MEMR_EEI (1<<5)
-#define AX_MEMR_EEO (1<<6)
-#define AX_MEMR_EECLK (1<<7)
-
-/* ax_mii_ei_outbits
+#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)
+
+/*
+ * ax_mii_ei_outbits
*
* write the specified set of bits to the phy
-*/
-
+ */
static void
ax_mii_ei_outbits(struct net_device *dev, unsigned int bits, int len)
{
ei_outb(memr, (void __iomem *)dev->base_addr + AX_MEMR);
}
-/* ax_phy_ei_inbits
+/*
+ * ax_phy_ei_inbits
*
* read a specified number of bits from the phy
-*/
-
+ */
static unsigned int
ax_phy_ei_inbits(struct net_device *dev, int no)
{
udelay(1);
if (ei_inb(memr_addr) & AX_MEMR_MDI)
- result |= (1<<no);
+ result |= (1 << no);
ei_outb(memr, memr_addr);
}
return result;
}
-/* ax_phy_issueaddr
+/*
+ * ax_phy_issueaddr
*
* use the low level bit shifting routines to send the address
* and command to the specified phy
-*/
-
+ */
static void
ax_phy_issueaddr(struct net_device *dev, int phy_addr, int reg, int opc)
{
{
struct ei_device *ei_local = netdev_priv(dev);
unsigned long flags;
- unsigned int result;
+ unsigned int result;
- spin_lock_irqsave(&ei_local->page_lock, flags);
+ spin_lock_irqsave(&ei_local->page_lock, flags);
ax_phy_issueaddr(dev, phy_addr, reg, 2);
result = ax_phy_ei_inbits(dev, 17);
- result &= ~(3<<16);
+ result &= ~(3 << 16);
- spin_unlock_irqrestore(&ei_local->page_lock, flags);
+ spin_unlock_irqrestore(&ei_local->page_lock, flags);
if (phy_debug)
pr_debug("%s: %04x.%04x => read %04x\n", __func__,
ax_phy_write(struct net_device *dev, int phy_addr, int reg, int value)
{
struct ei_device *ei = netdev_priv(dev);
- struct ax_device *ax = to_ax_dev(dev);
+ struct ax_device *ax = to_ax_dev(dev);
unsigned long flags;
dev_dbg(&ax->dev->dev, "%s: %p, %04x, %04x %04x\n",
__func__, dev, phy_addr, reg, value);
- spin_lock_irqsave(&ei->page_lock, flags);
+ spin_lock_irqsave(&ei->page_lock, flags);
ax_phy_issueaddr(dev, phy_addr, reg, 1);
ax_mii_ei_outbits(dev, 2, 2); /* send TA */
ax_mii_ei_outbits(dev, value, 16);
- spin_unlock_irqrestore(&ei->page_lock, flags);
+ spin_unlock_irqrestore(&ei->page_lock, flags);
}
static void ax_mii_expiry(unsigned long data)
{
struct net_device *dev = (struct net_device *)data;
- struct ax_device *ax = to_ax_dev(dev);
+ struct ax_device *ax = to_ax_dev(dev);
unsigned long flags;
spin_lock_irqsave(&ax->mii_lock, flags);
static int ax_open(struct net_device *dev)
{
- struct ax_device *ax = to_ax_dev(dev);
+ struct ax_device *ax = to_ax_dev(dev);
struct ei_device *ei_local = netdev_priv(dev);
int ret;
init_timer(&ax->mii_timer);
- ax->mii_timer.expires = jiffies+1;
- ax->mii_timer.data = (unsigned long) dev;
+ ax->mii_timer.expires = jiffies + 1;
+ ax->mii_timer.data = (unsigned long) dev;
ax->mii_timer.function = ax_mii_expiry;
add_timer(&ax->mii_timer);
/* turn the phy off */
- ei_outb(ax->plat->gpoc_val | (1<<6),
+ ei_outb(ax->plat->gpoc_val | (1 << 6),
ei_local->mem + EI_SHIFT(0x17));
ax->running = 0;
.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_set_mac_address = eth_mac_addr,
.ndo_change_mtu = eth_change_mtu,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = ax_ei_poll,
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);
+ /* 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
+/*
+ * 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, int first_init)
{
struct ei_device *ei_local = netdev_priv(dev);
if (first_init && ax->plat->flags & AXFLG_HAS_EEPROM) {
unsigned char SA_prom[32];
- for(i = 0; i < sizeof(SA_prom); i+=2) {
+ 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);
+ 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);
+ memcpy(dev->dev_addr, SA_prom, 6);
}
#ifdef CONFIG_AX88796_93CX6
(__le16 __force *)mac_addr,
sizeof(mac_addr) >> 1);
- memcpy(dev->dev_addr, mac_addr, 6);
+ memcpy(dev->dev_addr, mac_addr, 6);
}
#endif
if (ax->plat->wordlength == 2) {
stop_page = NE1SM_STOP_PG;
}
- /* load the mac-address from the device if this is the
- * first time we've initialised */
-
+ /*
+ * load the mac-address from the device if this is the first
+ * time we've initialised
+ */
if (first_init) {
if (ax->plat->flags & AXFLG_MAC_FROMDEV) {
ei_outb(E8390_NODMA + E8390_PAGE1 + E8390_STOP,
ei_status.rx_start_page = start_page + TX_PAGES;
#ifdef PACKETBUF_MEMSIZE
- /* Allow the packet buffer size to be overridden by know-it-alls. */
+ /* Allow the packet buffer size to be overridden by know-it-alls. */
ei_status.stop_page = ei_status.tx_start_page + PACKETBUF_MEMSIZE;
#endif
ei_status.get_8390_hdr = &ax_get_8390_hdr;
ei_status.priv = 0;
- dev->netdev_ops = &ax_netdev_ops;
- dev->ethtool_ops = &ax_ethtool_ops;
+ dev->netdev_ops = &ax_netdev_ops;
+ dev->ethtool_ops = &ax_ethtool_ops;
ax->msg_enable = NETIF_MSG_LINK;
ax->mii.phy_id_mask = 0x1f;
if (first_init)
dev_info(&ax->dev->dev, "%dbit, irq %d, %lx, MAC: %pM\n",
- ei_status.word16 ? 16:8, dev->irq, dev->base_addr,
+ ei_status.word16 ? 16 : 8, dev->irq, dev->base_addr,
dev->dev_addr);
ret = register_netdev(dev);
static int ax_remove(struct platform_device *_dev)
{
struct net_device *dev = platform_get_drvdata(_dev);
- struct ax_device *ax;
+ struct ax_device *ax;
ax = to_ax_dev(dev);
return 0;
}
-/* ax_probe
+/*
+ * 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.
-*/
-
+ * 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 ax_device *ax;
- struct resource *res;
+ struct ax_device *ax;
+ struct resource *res;
size_t size;
int ret = 0;
ax->plat = pdev->dev.platform_data;
platform_set_drvdata(pdev, dev);
- ei_status.rxcr_base = ax->plat->rcr_val;
+ ei_status.rxcr_base = ax->plat->rcr_val;
/* find the platform resources */
-
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (res == NULL) {
dev_err(&pdev->dev, "no IRQ specified\n");
size = (res->end - res->start) + 1;
- /* setup the register offsets from either the platform data
- * or by using the size of the resource provided */
-
+ /*
+ * setup the register offsets from either the platform data or
+ * by using the size of the resource provided
+ */
if (ax->plat->reg_offsets)
ei_status.reg_offset = ax->plat->reg_offsets;
else {
ax->mem = request_mem_region(res->start, size, pdev->name);
if (ax->mem == NULL) {
dev_err(&pdev->dev, "cannot reserve registers\n");
- ret = -ENXIO;
+ ret = -ENXIO;
goto exit_mem;
}
(unsigned long long)res->start,
(unsigned long long)res->end);
- ret = -ENXIO;
+ ret = -ENXIO;
goto exit_req;
}
ax->map2 = NULL;
} else {
- size = (res->end - res->start) + 1;
+ size = (res->end - res->start) + 1;
ax->mem2 = request_mem_region(res->start, size, pdev->name);
if (ax->mem2 == NULL) {
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);
+ struct ax_device *ax = to_ax_dev(ndev);
ax->resume_open = ax->running;
static int ax_resume(struct platform_device *pdev)
{
struct net_device *ndev = platform_get_drvdata(pdev);
- struct ax_device *ax = to_ax_dev(ndev);
+ struct ax_device *ax = to_ax_dev(ndev);
ax_initial_setup(ndev, netdev_priv(ndev));
ax_NS8390_init(ndev, ax->resume_open);
#else
#define ax_suspend NULL
-#define ax_resume NULL
+#define ax_resume NULL
#endif
static struct platform_driver axdrv = {
projects / platform / kernel / linux-exynos.git / commitdiff