* 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 <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
-#include <linux/mii.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>
-#include <asm/io.h>
-
-static int phy_debug = 0;
/* 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 */
+#define AX_GPOC_PPDSET BIT(6)
+
/* 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 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);
+ 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);
unsigned long reset_start_time = jiffies;
void __iomem *addr = (void __iomem *)dev->base_addr;
if (ei_debug > 1)
- dev_dbg(&ax->dev->dev, "resetting the 8390 t=%ld\n", jiffies);
+ netdev_dbg(dev, "resetting the 8390 t=%ld\n", jiffies);
ei_outb(ei_inb(addr + NE_RESET), addr + NE_RESET);
- ei_status.txing = 0;
- ei_status.dmaing = 0;
+ 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) {
- dev_warn(&ax->dev->dev, "%s: %s did not complete.\n",
- __func__, dev->name);
+ if (jiffies - reset_start_time > 2 * HZ / 100) {
+ netdev_warn(dev, "%s: did not complete.\n", __func__);
break;
}
}
int ring_page)
{
struct ei_device *ei_local = netdev_priv(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 */
- if (ei_status.dmaing) {
- dev_err(&ax->dev->dev, "%s: DMAing conflict in %s "
+ if (ei_local->dmaing) {
+ netdev_err(dev, "DMAing conflict in %s "
"[DMAstat:%d][irqlock:%d].\n",
- dev->name, __func__,
- ei_status.dmaing, ei_status.irqlock);
+ __func__,
+ ei_local->dmaing, ei_local->irqlock);
return;
}
- ei_status.dmaing |= 0x01;
- ei_outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD);
+ 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_status.word16)
- readsw(nic_base + NE_DATAPORT, hdr, sizeof(struct e8390_pkt_hdr)>>1);
+ 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));
+ 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;
+ 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. */
-
+/*
+ * 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);
void __iomem *nic_base = ei_local->mem;
char *buf = skb->data;
- if (ei_status.dmaing) {
- dev_err(&ax->dev->dev,
- "%s: DMAing conflict in %s "
+ if (ei_local->dmaing) {
+ netdev_err(dev,
+ "DMAing conflict in %s "
"[DMAstat:%d][irqlock:%d].\n",
- dev->name, __func__,
- ei_status.dmaing, ei_status.irqlock);
+ __func__,
+ ei_local->dmaing, ei_local->irqlock);
return;
}
- ei_status.dmaing |= 0x01;
+ ei_local->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);
ei_outb(ring_offset >> 8, nic_base + EN0_RSARHI);
ei_outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
- if (ei_status.word16) {
+ if (ei_local->word16) {
readsw(nic_base + NE_DATAPORT, buf, count >> 1);
if (count & 0x01)
buf[count-1] = ei_inb(nic_base + NE_DATAPORT);
readsb(nic_base + NE_DATAPORT, buf, count);
}
- ei_status.dmaing &= ~1;
+ 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);
- 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. */
-
- if (ei_status.word16 && (count & 0x01))
+ /*
+ * 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_status.dmaing) {
- dev_err(&ax->dev->dev, "%s: DMAing conflict in %s."
+ if (ei_local->dmaing) {
+ netdev_err(dev, "DMAing conflict in %s."
"[DMAstat:%d][irqlock:%d]\n",
- dev->name, __func__,
- ei_status.dmaing, ei_status.irqlock);
+ __func__,
+ ei_local->dmaing, ei_local->irqlock);
return;
}
- ei_status.dmaing |= 0x01;
+ 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);
/* 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_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 */
- dev_warn(&ax->dev->dev,
- "%s: timeout waiting for Tx RDC.\n", dev->name);
+ 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);
+ ax_NS8390_init(dev, 1);
break;
}
}
ei_outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
- ei_status.dmaing &= ~0x01;
+ ei_local->dmaing &= ~0x01;
}
/* 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
- *
- * write the specified set of bits to the phy
-*/
-
-static void
-ax_mii_ei_outbits(struct net_device *dev, unsigned int bits, int len)
+#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 ei_device *ei_local = netdev_priv(dev);
- void __iomem *memr_addr = (void __iomem *)dev->base_addr + AX_MEMR;
- unsigned int memr;
-
- /* clock low, data to output mode */
- memr = ei_inb(memr_addr);
- memr &= ~(AX_MEMR_MDC | AX_MEMR_MDIR);
- ei_outb(memr, memr_addr);
-
- for (len--; len >= 0; len--) {
- if (bits & (1 << len))
- memr |= AX_MEMR_MDO;
- else
- memr &= ~AX_MEMR_MDO;
-
- ei_outb(memr, memr_addr);
-
- /* clock high */
+ struct ax_device *ax = to_ax_dev(dev);
+ struct phy_device *phy_dev = ax->phy_dev;
+ int status_change = 0;
- ei_outb(memr | AX_MEMR_MDC, memr_addr);
- udelay(1);
+ if (phy_dev->link && ((ax->speed != phy_dev->speed) ||
+ (ax->duplex != phy_dev->duplex))) {
- /* clock low */
- ei_outb(memr, memr_addr);
+ ax->speed = phy_dev->speed;
+ ax->duplex = phy_dev->duplex;
+ status_change = 1;
}
- /* leaves the clock line low, mdir input */
- memr |= AX_MEMR_MDIR;
- ei_outb(memr, (void __iomem *)dev->base_addr + AX_MEMR);
-}
-
-/* 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)
-{
- struct ei_device *ei_local = netdev_priv(dev);
- void __iomem *memr_addr = (void __iomem *)dev->base_addr + AX_MEMR;
- unsigned int memr;
- unsigned int result = 0;
-
- /* clock low, data to input mode */
- memr = ei_inb(memr_addr);
- memr &= ~AX_MEMR_MDC;
- memr |= AX_MEMR_MDIR;
- ei_outb(memr, memr_addr);
-
- for (no--; no >= 0; no--) {
- ei_outb(memr | AX_MEMR_MDC, memr_addr);
-
- udelay(1);
-
- if (ei_inb(memr_addr) & AX_MEMR_MDI)
- result |= (1<<no);
+ if (phy_dev->link != ax->link) {
+ if (!phy_dev->link) {
+ ax->speed = 0;
+ ax->duplex = -1;
+ }
+ ax->link = phy_dev->link;
- ei_outb(memr, memr_addr);
+ status_change = 1;
}
- return result;
-}
-
-/* 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)
-{
- if (phy_debug)
- pr_debug("%s: dev %p, %04x, %04x, %d\n",
- __func__, dev, phy_addr, reg, opc);
-
- ax_mii_ei_outbits(dev, 0x3f, 6); /* pre-amble */
- ax_mii_ei_outbits(dev, 1, 2); /* frame-start */
- ax_mii_ei_outbits(dev, opc, 2); /* op code */
- ax_mii_ei_outbits(dev, phy_addr, 5); /* phy address */
- ax_mii_ei_outbits(dev, reg, 5); /* reg address */
+ if (status_change)
+ phy_print_status(phy_dev);
}
-static int
-ax_phy_read(struct net_device *dev, int phy_addr, int reg)
+static int ax_mii_probe(struct net_device *dev)
{
- struct ei_device *ei_local = netdev_priv(dev);
- unsigned long flags;
- unsigned int result;
+ struct ax_device *ax = to_ax_dev(dev);
+ struct phy_device *phy_dev = NULL;
+ int ret;
- spin_lock_irqsave(&ei_local->page_lock, flags);
+ /* find the first phy */
+ phy_dev = phy_find_first(ax->mii_bus);
+ if (!phy_dev) {
+ netdev_err(dev, "no PHY found\n");
+ return -ENODEV;
+ }
- ax_phy_issueaddr(dev, phy_addr, reg, 2);
+ 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;
+ }
- result = ax_phy_ei_inbits(dev, 17);
- result &= ~(3<<16);
+ /* mask with MAC supported features */
+ phy_dev->supported &= PHY_BASIC_FEATURES;
+ phy_dev->advertising = phy_dev->supported;
- spin_unlock_irqrestore(&ei_local->page_lock, flags);
+ ax->phy_dev = phy_dev;
- if (phy_debug)
- pr_debug("%s: %04x.%04x => read %04x\n", __func__,
- phy_addr, reg, result);
+ 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 result;
+ return 0;
}
-static void
-ax_phy_write(struct net_device *dev, int phy_addr, int reg, int value)
+static void ax_phy_switch(struct net_device *dev, int on)
{
- struct ei_device *ei = netdev_priv(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);
-
- 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);
-}
+ struct ei_device *ei_local = netdev_priv(dev);
+ struct ax_device *ax = to_ax_dev(dev);
-static void ax_mii_expiry(unsigned long data)
-{
- struct net_device *dev = (struct net_device *)data;
- struct ax_device *ax = to_ax_dev(dev);
- unsigned long flags;
+ u8 reg_gpoc = ax->plat->gpoc_val;
- spin_lock_irqsave(&ax->mii_lock, flags);
- mii_check_media(&ax->mii, netif_msg_link(ax), 0);
- spin_unlock_irqrestore(&ax->mii_lock, flags);
+ if (!!on)
+ reg_gpoc &= ~AX_GPOC_PPDSET;
+ else
+ reg_gpoc |= AX_GPOC_PPDSET;
- if (ax->running) {
- ax->mii_timer.expires = jiffies + HZ*2;
- add_timer(&ax->mii_timer);
- }
+ 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);
- struct ei_device *ei_local = netdev_priv(dev);
+ struct ax_device *ax = to_ax_dev(dev);
int ret;
- dev_dbg(&ax->dev->dev, "%s: open\n", dev->name);
+ netdev_dbg(dev, "open\n");
ret = request_irq(dev->irq, ax_ei_interrupt, ax->irqflags,
dev->name, dev);
if (ret)
- return ret;
-
- ret = ax_ei_open(dev);
- if (ret) {
- free_irq(dev->irq, dev);
- return ret;
- }
+ goto failed_request_irq;
/* turn the phy on (if turned off) */
+ ax_phy_switch(dev, 1);
- ei_outb(ax->plat->gpoc_val, ei_local->mem + EI_SHIFT(0x17));
- ax->running = 1;
-
- /* start the MII timer */
-
- init_timer(&ax->mii_timer);
+ ret = ax_mii_probe(dev);
+ if (ret)
+ goto failed_mii_probe;
+ phy_start(ax->phy_dev);
- ax->mii_timer.expires = jiffies+1;
- ax->mii_timer.data = (unsigned long) dev;
- ax->mii_timer.function = ax_mii_expiry;
+ ret = ax_ei_open(dev);
+ if (ret)
+ goto failed_ax_ei_open;
- add_timer(&ax->mii_timer);
+ 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);
- struct ei_device *ei_local = netdev_priv(dev);
- dev_dbg(&ax->dev->dev, "%s: close\n", dev->name);
-
- /* turn the phy off */
-
- ei_outb(ax->plat->gpoc_val | (1<<6),
- ei_local->mem + EI_SHIFT(0x17));
+ netdev_dbg(dev, "close\n");
ax->running = 0;
wmb();
- del_timer_sync(&ax->mii_timer);
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);
- unsigned long flags;
- int rc;
+ struct phy_device *phy_dev = ax->phy_dev;
if (!netif_running(dev))
return -EINVAL;
- spin_lock_irqsave(&ax->mii_lock, flags);
- rc = generic_mii_ioctl(&ax->mii, if_mii(req), cmd, NULL);
- spin_unlock_irqrestore(&ax->mii_lock, flags);
+ if (!phy_dev)
+ return -ENODEV;
- return rc;
+ return phy_mii_ioctl(phy_dev, req, cmd);
}
/* ethtool ops */
static void ax_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
- struct ax_device *ax = to_ax_dev(dev);
+ struct platform_device *pdev = to_platform_device(dev->dev.parent);
strcpy(info->driver, DRV_NAME);
strcpy(info->version, DRV_VERSION);
- strcpy(info->bus_info, ax->dev->name);
+ 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);
- unsigned long flags;
+ struct phy_device *phy_dev = ax->phy_dev;
- spin_lock_irqsave(&ax->mii_lock, flags);
- mii_ethtool_gset(&ax->mii, cmd);
- spin_unlock_irqrestore(&ax->mii_lock, flags);
+ if (!phy_dev)
+ return -ENODEV;
- return 0;
+ 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);
- unsigned long flags;
- int rc;
+ struct phy_device *phy_dev = ax->phy_dev;
- spin_lock_irqsave(&ax->mii_lock, flags);
- rc = mii_ethtool_sset(&ax->mii, cmd);
- spin_unlock_irqrestore(&ax->mii_lock, flags);
-
- return rc;
-}
-
-static int ax_nway_reset(struct net_device *dev)
-{
- struct ax_device *ax = to_ax_dev(dev);
- return mii_nway_restart(&ax->mii);
-}
+ if (!phy_dev)
+ return -ENODEV;
-static u32 ax_get_link(struct net_device *dev)
-{
- struct ax_device *ax = to_ax_dev(dev);
- return mii_link_ok(&ax->mii);
+ 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,
- .nway_reset = ax_nway_reset,
- .get_link = ax_get_link,
+ .get_link = ethtool_op_get_link,
};
#ifdef CONFIG_AX88796_93CX6
.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,
#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);
+ /* 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)
+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);
/* read the mac from the card prom if we need it */
- if (first_init && ax->plat->flags & AXFLG_HAS_EEPROM) {
+ if (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
- if (first_init && ax->plat->flags & AXFLG_HAS_93CX6) {
+ if (ax->plat->flags & AXFLG_HAS_93CX6) {
unsigned char mac_addr[6];
struct eeprom_93cx6 eeprom;
(__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 */
-
- if (first_init) {
- 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);
+ /* 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_status.name = "AX88796";
- ei_status.tx_start_page = start_page;
- ei_status.stop_page = stop_page;
- ei_status.word16 = (ax->plat->wordlength == 2);
- ei_status.rx_start_page = start_page + TX_PAGES;
+ 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_status.stop_page = ei_status.tx_start_page + 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_status.reset_8390 = &ax_reset_8390;
- ei_status.block_input = &ax_block_input;
- ei_status.block_output = &ax_block_output;
- 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;
-
- ax->msg_enable = NETIF_MSG_LINK;
- ax->mii.phy_id_mask = 0x1f;
- ax->mii.reg_num_mask = 0x1f;
- ax->mii.phy_id = 0x10; /* onboard phy */
- ax->mii.force_media = 0;
- ax->mii.full_duplex = 0;
- ax->mii.mdio_read = ax_phy_read;
- ax->mii.mdio_write = ax_phy_write;
- ax->mii.dev = dev;
+ 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;
- ax_NS8390_init(dev, 0);
+ dev->netdev_ops = &ax_netdev_ops;
+ dev->ethtool_ops = &ax_ethtool_ops;
- 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,
- dev->dev_addr);
+ 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:
return ret;
}
-static int ax_remove(struct platform_device *_dev)
+static int ax_remove(struct platform_device *pdev)
{
- struct net_device *dev = platform_get_drvdata(_dev);
- struct ax_device *ax;
-
- ax = to_ax_dev(dev);
+ 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_status.mem);
- release_resource(ax->mem);
- kfree(ax->mem);
+ 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);
- release_resource(ax->mem2);
- kfree(ax->mem2);
+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ release_mem_region(mem->start, resource_size(mem));
}
free_netdev(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;
- size_t size;
+ 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));
return -ENOMEM;
/* ok, let's setup our device */
+ SET_NETDEV_DEV(dev, &pdev->dev);
+ ei_local = netdev_priv(dev);
ax = to_ax_dev(dev);
- memset(ax, 0, sizeof(struct ax_device));
-
- spin_lock_init(&ax->mii_lock);
-
- ax->dev = pdev;
ax->plat = pdev->dev.platform_data;
platform_set_drvdata(pdev, dev);
- ei_status.rxcr_base = ax->plat->rcr_val;
+ ei_local->rxcr_base = ax->plat->rcr_val;
/* find the platform resources */
-
- res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (res == NULL) {
+ 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 = res->start;
- ax->irqflags = res->flags & IRQF_TRIGGER_MASK;
+ dev->irq = irq->start;
+ ax->irqflags = irq->flags & IRQF_TRIGGER_MASK;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (res == NULL) {
+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!mem) {
dev_err(&pdev->dev, "no MEM specified\n");
ret = -ENXIO;
goto exit_mem;
}
- size = (res->end - res->start) + 1;
-
- /* setup the register offsets from either the platform data
- * or by using the size of the resource provided */
+ 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_status.reg_offset = ax->plat->reg_offsets;
+ ei_local->reg_offset = ax->plat->reg_offsets;
else {
- ei_status.reg_offset = ax->reg_offsets;
+ ei_local->reg_offset = ax->reg_offsets;
for (ret = 0; ret < 0x18; ret++)
- ax->reg_offsets[ret] = (size / 0x18) * ret;
+ ax->reg_offsets[ret] = (mem_size / 0x18) * ret;
}
- ax->mem = request_mem_region(res->start, size, pdev->name);
- if (ax->mem == NULL) {
+ if (!request_mem_region(mem->start, mem_size, pdev->name)) {
dev_err(&pdev->dev, "cannot reserve registers\n");
- ret = -ENXIO;
+ ret = -ENXIO;
goto exit_mem;
}
- ei_status.mem = ioremap(res->start, size);
- dev->base_addr = (unsigned long)ei_status.mem;
+ ei_local->mem = ioremap(mem->start, mem_size);
+ dev->base_addr = (unsigned long)ei_local->mem;
- if (ei_status.mem == NULL) {
- dev_err(&pdev->dev, "Cannot ioremap area (%08llx,%08llx)\n",
- (unsigned long long)res->start,
- (unsigned long long)res->end);
+ if (ei_local->mem == NULL) {
+ dev_err(&pdev->dev, "Cannot ioremap area %pR\n", mem);
- ret = -ENXIO;
+ ret = -ENXIO;
goto exit_req;
}
/* look for reset area */
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- if (res == NULL) {
+ 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] = (size / 0x20) * ret;
+ ax->reg_offsets[ret] = (mem_size / 0x20) * ret;
}
-
- ax->map2 = NULL;
} else {
- size = (res->end - res->start) + 1;
+ mem2_size = resource_size(mem2);
- ax->mem2 = request_mem_region(res->start, size, pdev->name);
- if (ax->mem2 == NULL) {
+ 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(res->start, size);
- if (ax->map2 == NULL) {
+ 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_status.reg_offset[0x1f] = ax->map2 - ei_status.mem;
+ ei_local->reg_offset[0x1f] = ax->map2 - ei_local->mem;
}
/* got resources, now initialise and register device */
-
- ret = ax_init_dev(dev, 1);
+ ret = ax_init_dev(dev);
if (!ret)
return 0;
- if (ax->map2 == NULL)
+ if (!ax->map2)
goto exit_mem1;
iounmap(ax->map2);
exit_mem2:
- release_resource(ax->mem2);
- kfree(ax->mem2);
+ release_mem_region(mem2->start, mem2_size);
exit_mem1:
- iounmap(ei_status.mem);
+ iounmap(ei_local->mem);
exit_req:
- release_resource(ax->mem);
- kfree(ax->mem);
+ release_mem_region(mem->start, mem_size);
exit_mem:
free_netdev(dev);
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 / mv-sheeva.git / blobdiff