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Commit 572404ea authored by Joe Perches's avatar Joe Perches Committed by David S. Miller
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zorro8390: Update style, neaten, restructure to eliminate prototypes 

Convert to current logging styles.
Move code blocks to eliminate need for prototypes.
Use tabs for code indent and standardize spacing.
Comment neatening.
Signed-off-by: default avatarJoe Perches <joe@perches.com>
Acked-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3c01164e
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Inline Side-by-side
Showing with 333 additions and 340 deletions
drivers/net/zorro8390.c
View file @ 572404ea
...@@ -19,6 +19,8 @@ ...@@ -19,6 +19,8 @@
* Ethernet Controllers. * Ethernet Controllers.
*/ */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h> #include <linux/module.h>
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/errno.h> #include <linux/errno.h>
...@@ -34,115 +36,242 @@ ...@@ -34,115 +36,242 @@
#include <asm/amigaints.h> #include <asm/amigaints.h>
#include <asm/amigahw.h> #include <asm/amigahw.h>
#define EI_SHIFT(x) (ei_local->reg_offset[x]) #define EI_SHIFT(x) (ei_local->reg_offset[x])
#define ei_inb(port) in_8(port) #define ei_inb(port) in_8(port)
#define ei_outb(val,port) out_8(port,val) #define ei_outb(val, port) out_8(port, val)
#define ei_inb_p(port) in_8(port) #define ei_inb_p(port) in_8(port)
#define ei_outb_p(val,port) out_8(port,val) #define ei_outb_p(val, port) out_8(port, val)
static const char version[] = static const char version[] =
"8390.c:v1.10cvs 9/23/94 Donald Becker (becker@cesdis.gsfc.nasa.gov)\n"; "8390.c:v1.10cvs 9/23/94 Donald Becker (becker@cesdis.gsfc.nasa.gov)\n";
#include "lib8390.c" #include "lib8390.c"
#define DRV_NAME "zorro8390" #define DRV_NAME "zorro8390"
#define NE_BASE (dev->base_addr) #define NE_BASE (dev->base_addr)
#define NE_CMD (0x00*2) #define NE_CMD (0x00 * 2)
#define NE_DATAPORT (0x10*2) /* NatSemi-defined port window offset. */ #define NE_DATAPORT (0x10 * 2) /* NatSemi-defined port window offset */
#define NE_RESET (0x1f*2) /* Issue a read to reset, a write to clear. */ #define NE_RESET (0x1f * 2) /* Issue a read to reset,
#define NE_IO_EXTENT (0x20*2) * a write to clear. */
#define NE_IO_EXTENT (0x20 * 2)
#define NE_EN0_ISR (0x07*2)
#define NE_EN0_DCFG (0x0e*2) #define NE_EN0_ISR (0x07 * 2)
#define NE_EN0_DCFG (0x0e * 2)
#define NE_EN0_RSARLO (0x08*2)
#define NE_EN0_RSARHI (0x09*2) #define NE_EN0_RSARLO (0x08 * 2)
#define NE_EN0_RCNTLO (0x0a*2) #define NE_EN0_RSARHI (0x09 * 2)
#define NE_EN0_RXCR (0x0c*2) #define NE_EN0_RCNTLO (0x0a * 2)
#define NE_EN0_TXCR (0x0d*2) #define NE_EN0_RXCR (0x0c * 2)
#define NE_EN0_RCNTHI (0x0b*2) #define NE_EN0_TXCR (0x0d * 2)
#define NE_EN0_IMR (0x0f*2) #define NE_EN0_RCNTHI (0x0b * 2)
#define NE_EN0_IMR (0x0f * 2)
#define NESM_START_PG 0x40 /* First page of TX buffer */ #define NESM_START_PG 0x40 /* First page of TX buffer */
#define NESM_STOP_PG 0x80 /* Last page +1 of RX ring */ #define NESM_STOP_PG 0x80 /* Last page +1 of RX ring */
#define WORDSWAP(a) ((((a) >> 8) & 0xff) | ((a) << 8))
#define WORDSWAP(a) ((((a)>>8)&0xff) | ((a)<<8))
static struct card_info { static struct card_info {
zorro_id id; zorro_id id;
const char *name; const char *name;
unsigned int offset; unsigned int offset;
} cards[] __devinitdata = { } cards[] __devinitdata = {
{ ZORRO_PROD_VILLAGE_TRONIC_ARIADNE2, "Ariadne II", 0x0600 }, { ZORRO_PROD_VILLAGE_TRONIC_ARIADNE2, "Ariadne II", 0x0600 },
{ ZORRO_PROD_INDIVIDUAL_COMPUTERS_X_SURF, "X-Surf", 0x8600 }, { ZORRO_PROD_INDIVIDUAL_COMPUTERS_X_SURF, "X-Surf", 0x8600 },
}; };
static int __devinit zorro8390_init_one(struct zorro_dev *z, /* Hard reset the card. This used to pause for the same period that a
const struct zorro_device_id *ent); * 8390 reset command required, but that shouldn't be necessary.
static int __devinit zorro8390_init(struct net_device *dev, */
unsigned long board, const char *name, static void zorro8390_reset_8390(struct net_device *dev)
unsigned long ioaddr); {
static int zorro8390_open(struct net_device *dev); unsigned long reset_start_time = jiffies;
static int zorro8390_close(struct net_device *dev);
static void zorro8390_reset_8390(struct net_device *dev); if (ei_debug > 1)
netdev_dbg(dev, "resetting - t=%ld...\n", jiffies);
z_writeb(z_readb(NE_BASE + NE_RESET), NE_BASE + NE_RESET);
ei_status.txing = 0;
ei_status.dmaing = 0;
/* This check _should_not_ be necessary, omit eventually. */
while ((z_readb(NE_BASE + NE_EN0_ISR) & ENISR_RESET) == 0)
if (time_after(jiffies, reset_start_time + 2 * HZ / 100)) {
netdev_warn(dev, "%s: did not complete\n", __func__);
break;
}
z_writeb(ENISR_RESET, NE_BASE + NE_EN0_ISR); /* Ack intr */
}
/* Grab the 8390 specific header. Similar to the block_input routine, but
* we don't need to be concerned with ring wrap as the header will be at
* the start of a page, so we optimize accordingly.
*/
static void zorro8390_get_8390_hdr(struct net_device *dev, static void zorro8390_get_8390_hdr(struct net_device *dev,
struct e8390_pkt_hdr *hdr, int ring_page); struct e8390_pkt_hdr *hdr, int ring_page)
{
int nic_base = dev->base_addr;
int cnt;
short *ptrs;
/* This *shouldn't* happen.
* If it does, it's the last thing you'll see
*/
if (ei_status.dmaing) {
netdev_err(dev, "%s: DMAing conflict [DMAstat:%d][irqlock:%d]\n",
__func__, ei_status.dmaing, ei_status.irqlock);
return;
}
ei_status.dmaing |= 0x01;
z_writeb(E8390_NODMA + E8390_PAGE0 + E8390_START, nic_base + NE_CMD);
z_writeb(ENISR_RDC, nic_base + NE_EN0_ISR);
z_writeb(sizeof(struct e8390_pkt_hdr), nic_base + NE_EN0_RCNTLO);
z_writeb(0, nic_base + NE_EN0_RCNTHI);
z_writeb(0, nic_base + NE_EN0_RSARLO); /* On page boundary */
z_writeb(ring_page, nic_base + NE_EN0_RSARHI);
z_writeb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
ptrs = (short *)hdr;
for (cnt = 0; cnt < sizeof(struct e8390_pkt_hdr) >> 1; cnt++)
*ptrs++ = z_readw(NE_BASE + NE_DATAPORT);
z_writeb(ENISR_RDC, nic_base + NE_EN0_ISR); /* Ack intr */
hdr->count = WORDSWAP(hdr->count);
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 z_writeb.
*/
static void zorro8390_block_input(struct net_device *dev, int count, static void zorro8390_block_input(struct net_device *dev, int count,
struct sk_buff *skb, int ring_offset); struct sk_buff *skb, int ring_offset)
static void zorro8390_block_output(struct net_device *dev, const int count, {
int nic_base = dev->base_addr;
char *buf = skb->data;
short *ptrs;
int cnt;
/* This *shouldn't* happen.
* If it does, it's the last thing you'll see
*/
if (ei_status.dmaing) {
netdev_err(dev, "%s: DMAing conflict [DMAstat:%d][irqlock:%d]\n",
__func__, ei_status.dmaing, ei_status.irqlock);
return;
}
ei_status.dmaing |= 0x01;
z_writeb(E8390_NODMA + E8390_PAGE0 + E8390_START, nic_base + NE_CMD);
z_writeb(ENISR_RDC, nic_base + NE_EN0_ISR);
z_writeb(count & 0xff, nic_base + NE_EN0_RCNTLO);
z_writeb(count >> 8, nic_base + NE_EN0_RCNTHI);
z_writeb(ring_offset & 0xff, nic_base + NE_EN0_RSARLO);
z_writeb(ring_offset >> 8, nic_base + NE_EN0_RSARHI);
z_writeb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
ptrs = (short *)buf;
for (cnt = 0; cnt < count >> 1; cnt++)
*ptrs++ = z_readw(NE_BASE + NE_DATAPORT);
if (count & 0x01)
buf[count - 1] = z_readb(NE_BASE + NE_DATAPORT);
z_writeb(ENISR_RDC, nic_base + NE_EN0_ISR); /* Ack intr */
ei_status.dmaing &= ~0x01;
}
static void zorro8390_block_output(struct net_device *dev, int count,
const unsigned char *buf, const unsigned char *buf,
const int start_page); const int start_page)
static void __devexit zorro8390_remove_one(struct zorro_dev *z); {
int nic_base = NE_BASE;
unsigned long dma_start;
short *ptrs;
int cnt;
/* 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 (count & 0x01)
count++;
/* This *shouldn't* happen.
* If it does, it's the last thing you'll see
*/
if (ei_status.dmaing) {
netdev_err(dev, "%s: DMAing conflict [DMAstat:%d][irqlock:%d]\n",
__func__, ei_status.dmaing, ei_status.irqlock);
return;
}
ei_status.dmaing |= 0x01;
/* We should already be in page 0, but to be safe... */
z_writeb(E8390_PAGE0+E8390_START+E8390_NODMA, nic_base + NE_CMD);
z_writeb(ENISR_RDC, nic_base + NE_EN0_ISR);
/* Now the normal output. */
z_writeb(count & 0xff, nic_base + NE_EN0_RCNTLO);
z_writeb(count >> 8, nic_base + NE_EN0_RCNTHI);
z_writeb(0x00, nic_base + NE_EN0_RSARLO);
z_writeb(start_page, nic_base + NE_EN0_RSARHI);
z_writeb(E8390_RWRITE + E8390_START, nic_base + NE_CMD);
ptrs = (short *)buf;
for (cnt = 0; cnt < count >> 1; cnt++)
z_writew(*ptrs++, NE_BASE + NE_DATAPORT);
dma_start = jiffies;
while ((z_readb(NE_BASE + NE_EN0_ISR) & ENISR_RDC) == 0)
if (time_after(jiffies, dma_start + 2 * HZ / 100)) {
/* 20ms */
netdev_err(dev, "timeout waiting for Tx RDC\n");
zorro8390_reset_8390(dev);
__NS8390_init(dev, 1);
break;
}
z_writeb(ENISR_RDC, nic_base + NE_EN0_ISR); /* Ack intr */
ei_status.dmaing &= ~0x01;
}
static struct zorro_device_id zorro8390_zorro_tbl[] __devinitdata = { static int zorro8390_open(struct net_device *dev)
{ ZORRO_PROD_VILLAGE_TRONIC_ARIADNE2, }, {
{ ZORRO_PROD_INDIVIDUAL_COMPUTERS_X_SURF, }, __ei_open(dev);
{ 0 } return 0;
}; }
MODULE_DEVICE_TABLE(zorro, zorro8390_zorro_tbl);
static struct zorro_driver zorro8390_driver = { static int zorro8390_close(struct net_device *dev)
.name = "zorro8390", {
.id_table = zorro8390_zorro_tbl, if (ei_debug > 1)
.probe = zorro8390_init_one, netdev_dbg(dev, "Shutting down ethercard\n");
.remove = __devexit_p(zorro8390_remove_one), __ei_close(dev);
}; return 0;
}
static int __devinit zorro8390_init_one(struct zorro_dev *z, static void __devexit zorro8390_remove_one(struct zorro_dev *z)
const struct zorro_device_id *ent)
{ {
struct net_device *dev; struct net_device *dev = zorro_get_drvdata(z);
unsigned long board, ioaddr;
int err, i; unregister_netdev(dev);
free_irq(IRQ_AMIGA_PORTS, dev);
for (i = ARRAY_SIZE(cards)-1; i >= 0; i--) release_mem_region(ZTWO_PADDR(dev->base_addr), NE_IO_EXTENT * 2);
if (z->id == cards[i].id)
break;
if (i < 0)
return -ENODEV;
board = z->resource.start;
ioaddr = board+cards[i].offset;
dev = ____alloc_ei_netdev(0);
if (!dev)
return -ENOMEM;
if (!request_mem_region(ioaddr, NE_IO_EXTENT*2, DRV_NAME)) {
free_netdev(dev);
return -EBUSY;
}
if ((err = zorro8390_init(dev, board, cards[i].name,
ZTWO_VADDR(ioaddr)))) {
release_mem_region(ioaddr, NE_IO_EXTENT*2);
free_netdev(dev); free_netdev(dev);
return err;
}
zorro_set_drvdata(z, dev);
return 0;
} }
static struct zorro_device_id zorro8390_zorro_tbl[] __devinitdata = {
{ ZORRO_PROD_VILLAGE_TRONIC_ARIADNE2, },
{ ZORRO_PROD_INDIVIDUAL_COMPUTERS_X_SURF, },
{ 0 }
};
MODULE_DEVICE_TABLE(zorro, zorro8390_zorro_tbl);
static const struct net_device_ops zorro8390_netdev_ops = { static const struct net_device_ops zorro8390_netdev_ops = {
.ndo_open = zorro8390_open, .ndo_open = zorro8390_open,
.ndo_stop = zorro8390_close, .ndo_stop = zorro8390_close,
...@@ -151,7 +280,7 @@ static const struct net_device_ops zorro8390_netdev_ops = { ...@@ -151,7 +280,7 @@ static const struct net_device_ops zorro8390_netdev_ops = {
.ndo_get_stats = __ei_get_stats, .ndo_get_stats = __ei_get_stats,
.ndo_set_multicast_list = __ei_set_multicast_list, .ndo_set_multicast_list = __ei_set_multicast_list,
.ndo_validate_addr = eth_validate_addr, .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, .ndo_change_mtu = eth_change_mtu,
#ifdef CONFIG_NET_POLL_CONTROLLER #ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = __ei_poll, .ndo_poll_controller = __ei_poll,
...@@ -162,295 +291,159 @@ static int __devinit zorro8390_init(struct net_device *dev, ...@@ -162,295 +291,159 @@ static int __devinit zorro8390_init(struct net_device *dev,
unsigned long board, const char *name, unsigned long board, const char *name,
unsigned long ioaddr) unsigned long ioaddr)
{ {
int i; int i;
int err; int err;
unsigned char SA_prom[32]; unsigned char SA_prom[32];
int start_page, stop_page; int start_page, stop_page;
static u32 zorro8390_offsets[16] = { static u32 zorro8390_offsets[16] = {
0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e,
0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
};
/* Reset card. Who knows what dain-bramaged state it was left in. */
{
unsigned long reset_start_time = jiffies;
z_writeb(z_readb(ioaddr + NE_RESET), ioaddr + NE_RESET);
while ((z_readb(ioaddr + NE_EN0_ISR) & ENISR_RESET) == 0)
if (time_after(jiffies, reset_start_time + 2*HZ/100)) {
printk(KERN_WARNING " not found (no reset ack).\n");
return -ENODEV;
}
z_writeb(0xff, ioaddr + NE_EN0_ISR); /* Ack all intr. */
}
/* Read the 16 bytes of station address PROM.
We must first initialize registers, similar to NS8390_init(eifdev, 0).
We can't reliably read the SAPROM address without this.
(I learned the hard way!). */
{
struct {
u32 value;
u32 offset;
} program_seq[] = {
{E8390_NODMA+E8390_PAGE0+E8390_STOP, NE_CMD}, /* Select page 0*/
{0x48, NE_EN0_DCFG}, /* Set byte-wide (0x48) access. */
{0x00, NE_EN0_RCNTLO}, /* Clear the count regs. */
{0x00, NE_EN0_RCNTHI},
{0x00, NE_EN0_IMR}, /* Mask completion irq. */
{0xFF, NE_EN0_ISR},
{E8390_RXOFF, NE_EN0_RXCR}, /* 0x20 Set to monitor */
{E8390_TXOFF, NE_EN0_TXCR}, /* 0x02 and loopback mode. */
{32, NE_EN0_RCNTLO},
{0x00, NE_EN0_RCNTHI},
{0x00, NE_EN0_RSARLO}, /* DMA starting at 0x0000. */
{0x00, NE_EN0_RSARHI},
{E8390_RREAD+E8390_START, NE_CMD},
}; };
for (i = 0; i < ARRAY_SIZE(program_seq); i++) {
z_writeb(program_seq[i].value, ioaddr + program_seq[i].offset);
}
}
for (i = 0; i < 16; i++) {
SA_prom[i] = z_readb(ioaddr + NE_DATAPORT);
(void)z_readb(ioaddr + NE_DATAPORT);
}
/* We must set the 8390 for word mode. */ /* Reset card. Who knows what dain-bramaged state it was left in. */
z_writeb(0x49, ioaddr + NE_EN0_DCFG); {
start_page = NESM_START_PG; unsigned long reset_start_time = jiffies;
stop_page = NESM_STOP_PG;
dev->base_addr = ioaddr; z_writeb(z_readb(ioaddr + NE_RESET), ioaddr + NE_RESET);
dev->irq = IRQ_AMIGA_PORTS;
/* Install the Interrupt handler */ while ((z_readb(ioaddr + NE_EN0_ISR) & ENISR_RESET) == 0)
i = request_irq(IRQ_AMIGA_PORTS, __ei_interrupt, IRQF_SHARED, DRV_NAME, dev); if (time_after(jiffies,
if (i) return i; reset_start_time + 2 * HZ / 100)) {
netdev_warn(dev, "not found (no reset ack)\n");
return -ENODEV;
}
for(i = 0; i < ETHER_ADDR_LEN; i++) z_writeb(0xff, ioaddr + NE_EN0_ISR); /* Ack all intr. */
dev->dev_addr[i] = SA_prom[i]; }
#ifdef DEBUG
printk("%pM", dev->dev_addr);
#endif
ei_status.name = name; /* Read the 16 bytes of station address PROM.
ei_status.tx_start_page = start_page; * We must first initialize registers,
ei_status.stop_page = stop_page; * similar to NS8390_init(eifdev, 0).
ei_status.word16 = 1; * We can't reliably read the SAPROM address without this.
* (I learned the hard way!).
*/
{
static const struct {
u32 value;
u32 offset;
} program_seq[] = {
{E8390_NODMA + E8390_PAGE0 + E8390_STOP, NE_CMD},
/* Select page 0 */
{0x48, NE_EN0_DCFG}, /* 0x48: Set byte-wide access */
{0x00, NE_EN0_RCNTLO}, /* Clear the count regs */
{0x00, NE_EN0_RCNTHI},
{0x00, NE_EN0_IMR}, /* Mask completion irq */
{0xFF, NE_EN0_ISR},
{E8390_RXOFF, NE_EN0_RXCR}, /* 0x20 Set to monitor */
{E8390_TXOFF, NE_EN0_TXCR}, /* 0x02 and loopback mode */
{32, NE_EN0_RCNTLO},
{0x00, NE_EN0_RCNTHI},
{0x00, NE_EN0_RSARLO}, /* DMA starting at 0x0000 */
{0x00, NE_EN0_RSARHI},
{E8390_RREAD + E8390_START, NE_CMD},
};
for (i = 0; i < ARRAY_SIZE(program_seq); i++)
z_writeb(program_seq[i].value,
ioaddr + program_seq[i].offset);
}
for (i = 0; i < 16; i++) {
SA_prom[i] = z_readb(ioaddr + NE_DATAPORT);
(void)z_readb(ioaddr + NE_DATAPORT);
}
ei_status.rx_start_page = start_page + TX_PAGES; /* We must set the 8390 for word mode. */
z_writeb(0x49, ioaddr + NE_EN0_DCFG);
start_page = NESM_START_PG;
stop_page = NESM_STOP_PG;
ei_status.reset_8390 = &zorro8390_reset_8390; dev->base_addr = ioaddr;
ei_status.block_input = &zorro8390_block_input; dev->irq = IRQ_AMIGA_PORTS;
ei_status.block_output = &zorro8390_block_output;
ei_status.get_8390_hdr = &zorro8390_get_8390_hdr;
ei_status.reg_offset = zorro8390_offsets;
dev->netdev_ops = &zorro8390_netdev_ops; /* Install the Interrupt handler */
__NS8390_init(dev, 0); i = request_irq(IRQ_AMIGA_PORTS, __ei_interrupt,
err = register_netdev(dev); IRQF_SHARED, DRV_NAME, dev);
if (err) { if (i)
free_irq(IRQ_AMIGA_PORTS, dev); return i;
return err;
}
printk(KERN_INFO "%s: %s at 0x%08lx, Ethernet Address %pM\n", for (i = 0; i < ETHER_ADDR_LEN; i++)
dev->name, name, board, dev->dev_addr); dev->dev_addr[i] = SA_prom[i];
return 0; pr_debug("Found ethernet address: %pM\n", dev->dev_addr);
}
static int zorro8390_open(struct net_device *dev) ei_status.name = name;
{ ei_status.tx_start_page = start_page;
__ei_open(dev); ei_status.stop_page = stop_page;
return 0; ei_status.word16 = 1;
}
static int zorro8390_close(struct net_device *dev) ei_status.rx_start_page = start_page + TX_PAGES;
{
if (ei_debug > 1)
printk(KERN_DEBUG "%s: Shutting down ethercard.\n", dev->name);
__ei_close(dev);
return 0;
}
/* Hard reset the card. This used to pause for the same period that a ei_status.reset_8390 = zorro8390_reset_8390;
8390 reset command required, but that shouldn't be necessary. */ ei_status.block_input = zorro8390_block_input;
static void zorro8390_reset_8390(struct net_device *dev) ei_status.block_output = zorro8390_block_output;
{ ei_status.get_8390_hdr = zorro8390_get_8390_hdr;
unsigned long reset_start_time = jiffies; ei_status.reg_offset = zorro8390_offsets;
if (ei_debug > 1) dev->netdev_ops = &zorro8390_netdev_ops;
printk(KERN_DEBUG "resetting the 8390 t=%ld...\n", jiffies); __NS8390_init(dev, 0);
err = register_netdev(dev);
z_writeb(z_readb(NE_BASE + NE_RESET), NE_BASE + NE_RESET); if (err) {
free_irq(IRQ_AMIGA_PORTS, dev);
ei_status.txing = 0; return err;
ei_status.dmaing = 0;
/* This check _should_not_ be necessary, omit eventually. */
while ((z_readb(NE_BASE+NE_EN0_ISR) & ENISR_RESET) == 0)
if (time_after(jiffies, reset_start_time + 2*HZ/100)) {
printk(KERN_WARNING "%s: ne_reset_8390() did not complete.\n",
dev->name);
break;
} }
z_writeb(ENISR_RESET, NE_BASE + NE_EN0_ISR); /* Ack intr. */
}
/* Grab the 8390 specific header. Similar to the block_input routine, but netdev_info(dev, "%s at 0x%08lx, Ethernet Address %pM\n",
we don't need to be concerned with ring wrap as the header will be at name, board, dev->dev_addr);
the start of a page, so we optimize accordingly. */
static void zorro8390_get_8390_hdr(struct net_device *dev, return 0;
struct e8390_pkt_hdr *hdr, int ring_page)
{
int nic_base = dev->base_addr;
int cnt;
short *ptrs;
/* This *shouldn't* happen. If it does, it's the last thing you'll see */
if (ei_status.dmaing) {
printk(KERN_ERR "%s: DMAing conflict in ne_get_8390_hdr "
"[DMAstat:%d][irqlock:%d].\n", dev->name, ei_status.dmaing,
ei_status.irqlock);
return;
}
ei_status.dmaing |= 0x01;
z_writeb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD);
z_writeb(ENISR_RDC, nic_base + NE_EN0_ISR);
z_writeb(sizeof(struct e8390_pkt_hdr), nic_base + NE_EN0_RCNTLO);
z_writeb(0, nic_base + NE_EN0_RCNTHI);
z_writeb(0, nic_base + NE_EN0_RSARLO); /* On page boundary */
z_writeb(ring_page, nic_base + NE_EN0_RSARHI);
z_writeb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
ptrs = (short*)hdr;
for (cnt = 0; cnt < (sizeof(struct e8390_pkt_hdr)>>1); cnt++)
*ptrs++ = z_readw(NE_BASE + NE_DATAPORT);
z_writeb(ENISR_RDC, nic_base + NE_EN0_ISR); /* Ack intr. */
hdr->count = WORDSWAP(hdr->count);
ei_status.dmaing &= ~0x01;
} }
/* Block input and output, similar to the Crynwr packet driver. If you static int __devinit zorro8390_init_one(struct zorro_dev *z,
are porting to a new ethercard, look at the packet driver source for hints. const struct zorro_device_id *ent)
The NEx000 doesn't share the on-board packet memory -- you have to put
the packet out through the "remote DMA" dataport using z_writeb. */
static void zorro8390_block_input(struct net_device *dev, int count,
struct sk_buff *skb, int ring_offset)
{ {
int nic_base = dev->base_addr; struct net_device *dev;
char *buf = skb->data; unsigned long board, ioaddr;
short *ptrs; int err, i;
int cnt;
for (i = ARRAY_SIZE(cards) - 1; i >= 0; i--)
/* This *shouldn't* happen. If it does, it's the last thing you'll see */ if (z->id == cards[i].id)
if (ei_status.dmaing) { break;
printk(KERN_ERR "%s: DMAing conflict in ne_block_input " if (i < 0)
"[DMAstat:%d][irqlock:%d].\n", return -ENODEV;
dev->name, ei_status.dmaing, ei_status.irqlock);
return;
}
ei_status.dmaing |= 0x01;
z_writeb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD);
z_writeb(ENISR_RDC, nic_base + NE_EN0_ISR);
z_writeb(count & 0xff, nic_base + NE_EN0_RCNTLO);
z_writeb(count >> 8, nic_base + NE_EN0_RCNTHI);
z_writeb(ring_offset & 0xff, nic_base + NE_EN0_RSARLO);
z_writeb(ring_offset >> 8, nic_base + NE_EN0_RSARHI);
z_writeb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
ptrs = (short*)buf;
for (cnt = 0; cnt < (count>>1); cnt++)
*ptrs++ = z_readw(NE_BASE + NE_DATAPORT);
if (count & 0x01)
buf[count-1] = z_readb(NE_BASE + NE_DATAPORT);
z_writeb(ENISR_RDC, nic_base + NE_EN0_ISR); /* Ack intr. */
ei_status.dmaing &= ~0x01;
}
static void zorro8390_block_output(struct net_device *dev, int count, board = z->resource.start;
const unsigned char *buf, ioaddr = board + cards[i].offset;
const int start_page) dev = ____alloc_ei_netdev(0);
{ if (!dev)
int nic_base = NE_BASE; return -ENOMEM;
unsigned long dma_start; if (!request_mem_region(ioaddr, NE_IO_EXTENT * 2, DRV_NAME)) {
short *ptrs; free_netdev(dev);
int cnt; return -EBUSY;
/* 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 (count & 0x01)
count++;
/* This *shouldn't* happen. If it does, it's the last thing you'll see */
if (ei_status.dmaing) {
printk(KERN_ERR "%s: DMAing conflict in ne_block_output."
"[DMAstat:%d][irqlock:%d]\n", dev->name, ei_status.dmaing,
ei_status.irqlock);
return;
}
ei_status.dmaing |= 0x01;
/* We should already be in page 0, but to be safe... */
z_writeb(E8390_PAGE0+E8390_START+E8390_NODMA, nic_base + NE_CMD);
z_writeb(ENISR_RDC, nic_base + NE_EN0_ISR);
/* Now the normal output. */
z_writeb(count & 0xff, nic_base + NE_EN0_RCNTLO);
z_writeb(count >> 8, nic_base + NE_EN0_RCNTHI);
z_writeb(0x00, nic_base + NE_EN0_RSARLO);
z_writeb(start_page, nic_base + NE_EN0_RSARHI);
z_writeb(E8390_RWRITE+E8390_START, nic_base + NE_CMD);
ptrs = (short*)buf;
for (cnt = 0; cnt < count>>1; cnt++)
z_writew(*ptrs++, NE_BASE+NE_DATAPORT);
dma_start = jiffies;
while ((z_readb(NE_BASE + NE_EN0_ISR) & ENISR_RDC) == 0)
if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */
printk(KERN_ERR "%s: timeout waiting for Tx RDC.\n",
dev->name);
zorro8390_reset_8390(dev);
__NS8390_init(dev,1);
break;
} }
err = zorro8390_init(dev, board, cards[i].name, ZTWO_VADDR(ioaddr));
z_writeb(ENISR_RDC, nic_base + NE_EN0_ISR); /* Ack intr. */ if (err) {
ei_status.dmaing &= ~0x01; release_mem_region(ioaddr, NE_IO_EXTENT * 2);
free_netdev(dev);
return err;
}
zorro_set_drvdata(z, dev);
return 0;
} }
static void __devexit zorro8390_remove_one(struct zorro_dev *z) static struct zorro_driver zorro8390_driver = {
{ .name = "zorro8390",
struct net_device *dev = zorro_get_drvdata(z); .id_table = zorro8390_zorro_tbl,
.probe = zorro8390_init_one,
unregister_netdev(dev); .remove = __devexit_p(zorro8390_remove_one),
free_irq(IRQ_AMIGA_PORTS, dev); };
release_mem_region(ZTWO_PADDR(dev->base_addr), NE_IO_EXTENT*2);
free_netdev(dev);
}
static int __init zorro8390_init_module(void) static int __init zorro8390_init_module(void)
{ {
return zorro_register_driver(&zorro8390_driver); return zorro_register_driver(&zorro8390_driver);
} }
static void __exit zorro8390_cleanup_module(void) static void __exit zorro8390_cleanup_module(void)
{ {
zorro_unregister_driver(&zorro8390_driver); zorro_unregister_driver(&zorro8390_driver);
} }
module_init(zorro8390_init_module); module_init(zorro8390_init_module);
......
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