[netdrvr] pcnet32: Lindent

1 files changed, 2156 insertions, 1999 deletions

diff --git a/drivers/net/pcnet32.c b/drivers/net/pcnet32.c
index 1bc3f5bffb9..86136101864 100644
--- a/drivers/net/pcnet32.c
+++ b/drivers/net/pcnet32.c
@@ -26,8 +26,8 @@
 #define DRV_RELDATE	"18.Mar.2006"
 #define PFX		DRV_NAME ": "
 
-static const char * const version =
-DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " tsbogend@alpha.franken.de\n";
+static const char *const version =
+    DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " tsbogend@alpha.franken.de\n";
 
 #include <linux/module.h>
 #include <linux/kernel.h>
@@ -58,18 +58,23 @@ DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " tsbogend@alpha.franken.de\n";
  * PCI device identifiers for "new style" Linux PCI Device Drivers
  */
 static struct pci_device_id pcnet32_pci_tbl[] = {
-    { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_LANCE_HOME, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
-    { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_LANCE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
-    /*
-     * Adapters that were sold with IBM's RS/6000 or pSeries hardware have
-     * the incorrect vendor id.
-     */
-    { PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_AMD_LANCE, PCI_ANY_ID, PCI_ANY_ID,
-	    PCI_CLASS_NETWORK_ETHERNET << 8, 0xffff00, 0 },
-    { 0, }
+	{ PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_LANCE_HOME,
+	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+	{ PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_LANCE,
+	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+
+	/*
+	 * Adapters that were sold with IBM's RS/6000 or pSeries hardware have
+	 * the incorrect vendor id.
+	 */
+	{ PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_AMD_LANCE,
+	  PCI_ANY_ID, PCI_ANY_ID,
+	  PCI_CLASS_NETWORK_ETHERNET << 8, 0xffff00, 0},
+
+	{ }	/* terminate list */
 };
 
-MODULE_DEVICE_TABLE (pci, pcnet32_pci_tbl);
+MODULE_DEVICE_TABLE(pci, pcnet32_pci_tbl);
 
 static int cards_found;
 
@@ -77,13 +82,11 @@ static int cards_found;
  * VLB I/O addresses
  */
 static unsigned int pcnet32_portlist[] __initdata =
-	{ 0x300, 0x320, 0x340, 0x360, 0 };
-
-
+    { 0x300, 0x320, 0x340, 0x360, 0 };
 
 static int pcnet32_debug = 0;
-static int tx_start = 1; /* Mapping -- 0:20, 1:64, 2:128, 3:~220 (depends on chip vers) */
-static int pcnet32vlb;	 /* check for VLB cards ? */
+static int tx_start = 1;	/* Mapping -- 0:20, 1:64, 2:128, 3:~220 (depends on chip vers) */
+static int pcnet32vlb;		/* check for VLB cards ? */
 
 static struct net_device *pcnet32_dev;
 
@@ -110,32 +113,34 @@ static int rx_copybreak = 200;
  * to internal options
  */
 static const unsigned char options_mapping[] = {
-    PCNET32_PORT_ASEL,			   /*  0 Auto-select	  */
-    PCNET32_PORT_AUI,			   /*  1 BNC/AUI	  */
-    PCNET32_PORT_AUI,			   /*  2 AUI/BNC	  */
-    PCNET32_PORT_ASEL,			   /*  3 not supported	  */
-    PCNET32_PORT_10BT | PCNET32_PORT_FD,   /*  4 10baseT-FD	  */
-    PCNET32_PORT_ASEL,			   /*  5 not supported	  */
-    PCNET32_PORT_ASEL,			   /*  6 not supported	  */
-    PCNET32_PORT_ASEL,			   /*  7 not supported	  */
-    PCNET32_PORT_ASEL,			   /*  8 not supported	  */
-    PCNET32_PORT_MII,			   /*  9 MII 10baseT	  */
-    PCNET32_PORT_MII | PCNET32_PORT_FD,	   /* 10 MII 10baseT-FD	  */
-    PCNET32_PORT_MII,			   /* 11 MII (autosel)	  */
-    PCNET32_PORT_10BT,			   /* 12 10BaseT	  */
-    PCNET32_PORT_MII | PCNET32_PORT_100,   /* 13 MII 100BaseTx	  */
-    PCNET32_PORT_MII | PCNET32_PORT_100 | PCNET32_PORT_FD, /* 14 MII 100BaseTx-FD */
-    PCNET32_PORT_ASEL			   /* 15 not supported	  */
+	PCNET32_PORT_ASEL,			/*  0 Auto-select      */
+	PCNET32_PORT_AUI,			/*  1 BNC/AUI          */
+	PCNET32_PORT_AUI,			/*  2 AUI/BNC          */
+	PCNET32_PORT_ASEL,			/*  3 not supported    */
+	PCNET32_PORT_10BT | PCNET32_PORT_FD,	/*  4 10baseT-FD       */
+	PCNET32_PORT_ASEL,			/*  5 not supported    */
+	PCNET32_PORT_ASEL,			/*  6 not supported    */
+	PCNET32_PORT_ASEL,			/*  7 not supported    */
+	PCNET32_PORT_ASEL,			/*  8 not supported    */
+	PCNET32_PORT_MII,			/*  9 MII 10baseT      */
+	PCNET32_PORT_MII | PCNET32_PORT_FD,	/* 10 MII 10baseT-FD   */
+	PCNET32_PORT_MII,			/* 11 MII (autosel)    */
+	PCNET32_PORT_10BT,			/* 12 10BaseT          */
+	PCNET32_PORT_MII | PCNET32_PORT_100,	/* 13 MII 100BaseTx    */
+						/* 14 MII 100BaseTx-FD */
+	PCNET32_PORT_MII | PCNET32_PORT_100 | PCNET32_PORT_FD,
+	PCNET32_PORT_ASEL			/* 15 not supported    */
 };
 
 static const char pcnet32_gstrings_test[][ETH_GSTRING_LEN] = {
-    "Loopback test  (offline)"
+	"Loopback test  (offline)"
 };
+
 #define PCNET32_TEST_LEN (sizeof(pcnet32_gstrings_test) / ETH_GSTRING_LEN)
 
 #define PCNET32_NUM_REGS 136
 
-#define MAX_UNITS 8	/* More are supported, limit only on options */
+#define MAX_UNITS 8		/* More are supported, limit only on options */
 static int options[MAX_UNITS];
 static int full_duplex[MAX_UNITS];
 static int homepna[MAX_UNITS];
@@ -270,7 +275,6 @@ static int homepna[MAX_UNITS];
  *	   Philippe Seewer assisted with auto negotiation and testing.
  */
 
-
 /*
  * Set the number of Tx and Rx buffers, using Log_2(# buffers).
  * Reasonable default values are 4 Tx buffers, and 16 Rx buffers.
@@ -306,42 +310,42 @@ static int homepna[MAX_UNITS];
 
 /* The PCNET32 Rx and Tx ring descriptors. */
 struct pcnet32_rx_head {
-    u32 base;
-    s16 buf_length;
-    s16 status;
-    u32 msg_length;
-    u32 reserved;
+	u32 base;
+	s16 buf_length;
+	s16 status;
+	u32 msg_length;
+	u32 reserved;
 };
 
 struct pcnet32_tx_head {
-    u32 base;
-    s16 length;
-    s16 status;
-    u32 misc;
-    u32 reserved;
+	u32 base;
+	s16 length;
+	s16 status;
+	u32 misc;
+	u32 reserved;
 };
 
 /* The PCNET32 32-Bit initialization block, described in databook. */
 struct pcnet32_init_block {
-    u16 mode;
-    u16 tlen_rlen;
-    u8	phys_addr[6];
-    u16 reserved;
-    u32 filter[2];
-    /* Receive and transmit ring base, along with extra bits. */
-    u32 rx_ring;
-    u32 tx_ring;
+	u16 mode;
+	u16 tlen_rlen;
+	u8 phys_addr[6];
+	u16 reserved;
+	u32 filter[2];
+	/* Receive and transmit ring base, along with extra bits. */
+	u32 rx_ring;
+	u32 tx_ring;
 };
 
 /* PCnet32 access functions */
 struct pcnet32_access {
-    u16 (*read_csr)(unsigned long, int);
-    void (*write_csr)(unsigned long, int, u16);
-    u16 (*read_bcr)(unsigned long, int);
-    void (*write_bcr)(unsigned long, int, u16);
-    u16 (*read_rap)(unsigned long);
-    void (*write_rap)(unsigned long, u16);
-    void (*reset)(unsigned long);
+	u16	(*read_csr) (unsigned long, int);
+	void	(*write_csr) (unsigned long, int, u16);
+	u16	(*read_bcr) (unsigned long, int);
+	void	(*write_bcr) (unsigned long, int, u16);
+	u16	(*read_rap) (unsigned long);
+	void	(*write_rap) (unsigned long, u16);
+	void	(*reset) (unsigned long);
 };
 
 /*
@@ -349,771 +353,794 @@ struct pcnet32_access {
  * so the structure should be allocated using pci_alloc_consistent().
  */
 struct pcnet32_private {
-    struct pcnet32_init_block init_block;
-    /* The Tx and Rx ring entries must be aligned on 16-byte boundaries in 32bit mode. */
-    struct pcnet32_rx_head    *rx_ring;
-    struct pcnet32_tx_head    *tx_ring;
-    dma_addr_t		dma_addr;	/* DMA address of beginning of this
-					   object, returned by
-					   pci_alloc_consistent */
-    struct pci_dev	*pci_dev;	/* Pointer to the associated pci device
+	struct pcnet32_init_block init_block;
+	/* The Tx and Rx ring entries must be aligned on 16-byte boundaries in 32bit mode. */
+	struct pcnet32_rx_head *rx_ring;
+	struct pcnet32_tx_head *tx_ring;
+	dma_addr_t dma_addr;	/* DMA address of beginning of this
+				   object, returned by
+				   pci_alloc_consistent */
+	struct pci_dev *pci_dev;	/* Pointer to the associated pci device
 					   structure */
-    const char		*name;
-    /* The saved address of a sent-in-place packet/buffer, for skfree(). */
-    struct sk_buff	**tx_skbuff;
-    struct sk_buff	**rx_skbuff;
-    dma_addr_t		*tx_dma_addr;
-    dma_addr_t		*rx_dma_addr;
-    struct pcnet32_access	a;
-    spinlock_t		lock;		/* Guard lock */
-    unsigned int	cur_rx, cur_tx;	/* The next free ring entry */
-    unsigned int	rx_ring_size;	/* current rx ring size */
-    unsigned int	tx_ring_size;	/* current tx ring size */
-    unsigned int	rx_mod_mask;	/* rx ring modular mask */
-    unsigned int	tx_mod_mask;	/* tx ring modular mask */
-    unsigned short	rx_len_bits;
-    unsigned short	tx_len_bits;
-    dma_addr_t		rx_ring_dma_addr;
-    dma_addr_t		tx_ring_dma_addr;
-    unsigned int	dirty_rx, dirty_tx; /* The ring entries to be free()ed. */
-    struct net_device_stats stats;
-    char		tx_full;
-    char		phycount;	/* number of phys found */
-    int			options;
-    unsigned int	shared_irq:1,	/* shared irq possible */
-			dxsuflo:1,	/* disable transmit stop on uflo */
-			mii:1;		/* mii port available */
-    struct net_device	*next;
-    struct mii_if_info	mii_if;
-    struct timer_list	watchdog_timer;
-    struct timer_list	blink_timer;
-    u32			msg_enable;	/* debug message level */
-
-    /* each bit indicates an available PHY */
-    u32			phymask;
+	const char *name;
+	/* The saved address of a sent-in-place packet/buffer, for skfree(). */
+	struct sk_buff **tx_skbuff;
+	struct sk_buff **rx_skbuff;
+	dma_addr_t *tx_dma_addr;
+	dma_addr_t *rx_dma_addr;
+	struct pcnet32_access a;
+	spinlock_t lock;	/* Guard lock */
+	unsigned int cur_rx, cur_tx;	/* The next free ring entry */
+	unsigned int rx_ring_size;	/* current rx ring size */
+	unsigned int tx_ring_size;	/* current tx ring size */
+	unsigned int rx_mod_mask;	/* rx ring modular mask */
+	unsigned int tx_mod_mask;	/* tx ring modular mask */
+	unsigned short rx_len_bits;
+	unsigned short tx_len_bits;
+	dma_addr_t rx_ring_dma_addr;
+	dma_addr_t tx_ring_dma_addr;
+	unsigned int dirty_rx, dirty_tx;	/* The ring entries to be free()ed. */
+	struct net_device_stats stats;
+	char tx_full;
+	char phycount;			/* number of phys found */
+	int options;
+	unsigned int shared_irq:1,	/* shared irq possible */
+	 dxsuflo:1,			/* disable transmit stop on uflo */
+	 mii:1;				/* mii port available */
+	struct net_device *next;
+	struct mii_if_info mii_if;
+	struct timer_list watchdog_timer;
+	struct timer_list blink_timer;
+	u32 msg_enable;			/* debug message level */
+
+	/* each bit indicates an available PHY */
+	u32 phymask;
 };
 
 static void pcnet32_probe_vlbus(void);
-static int  pcnet32_probe_pci(struct pci_dev *, const struct pci_device_id *);
-static int  pcnet32_probe1(unsigned long, int, struct pci_dev *);
-static int  pcnet32_open(struct net_device *);
-static int  pcnet32_init_ring(struct net_device *);
-static int  pcnet32_start_xmit(struct sk_buff *, struct net_device *);
-static int  pcnet32_rx(struct net_device *);
-static void pcnet32_tx_timeout (struct net_device *dev);
+static int pcnet32_probe_pci(struct pci_dev *, const struct pci_device_id *);
+static int pcnet32_probe1(unsigned long, int, struct pci_dev *);
+static int pcnet32_open(struct net_device *);
+static int pcnet32_init_ring(struct net_device *);
+static int pcnet32_start_xmit(struct sk_buff *, struct net_device *);
+static int pcnet32_rx(struct net_device *);
+static void pcnet32_tx_timeout(struct net_device *dev);
 static irqreturn_t pcnet32_interrupt(int, void *, struct pt_regs *);
-static int  pcnet32_close(struct net_device *);
+static int pcnet32_close(struct net_device *);
 static struct net_device_stats *pcnet32_get_stats(struct net_device *);
 static void pcnet32_load_multicast(struct net_device *dev);
 static void pcnet32_set_multicast_list(struct net_device *);
-static int  pcnet32_ioctl(struct net_device *, struct ifreq *, int);
+static int pcnet32_ioctl(struct net_device *, struct ifreq *, int);
 static void pcnet32_watchdog(struct net_device *);
 static int mdio_read(struct net_device *dev, int phy_id, int reg_num);
-static void mdio_write(struct net_device *dev, int phy_id, int reg_num, int val);
+static void mdio_write(struct net_device *dev, int phy_id, int reg_num,
+		       int val);
 static void pcnet32_restart(struct net_device *dev, unsigned int csr0_bits);
 static void pcnet32_ethtool_test(struct net_device *dev,
-	struct ethtool_test *eth_test, u64 *data);
-static int pcnet32_loopback_test(struct net_device *dev, uint64_t *data1);
+				 struct ethtool_test *eth_test, u64 * data);
+static int pcnet32_loopback_test(struct net_device *dev, uint64_t * data1);
 static int pcnet32_phys_id(struct net_device *dev, u32 data);
 static void pcnet32_led_blink_callback(struct net_device *dev);
 static int pcnet32_get_regs_len(struct net_device *dev);
 static void pcnet32_get_regs(struct net_device *dev, struct ethtool_regs *regs,
-	void *ptr);
+			     void *ptr);
 static void pcnet32_purge_tx_ring(struct net_device *dev);
 static int pcnet32_alloc_ring(struct net_device *dev, char *name);
 static void pcnet32_free_ring(struct net_device *dev);
 static void pcnet32_check_media(struct net_device *dev, int verbose);
 
-
 enum pci_flags_bit {
-    PCI_USES_IO=1, PCI_USES_MEM=2, PCI_USES_MASTER=4,
-    PCI_ADDR0=0x10<<0, PCI_ADDR1=0x10<<1, PCI_ADDR2=0x10<<2, PCI_ADDR3=0x10<<3,
+	PCI_USES_IO = 1, PCI_USES_MEM = 2, PCI_USES_MASTER = 4,
+	PCI_ADDR0 = 0x10 << 0, PCI_ADDR1 = 0x10 << 1, PCI_ADDR2 =
+	    0x10 << 2, PCI_ADDR3 = 0x10 << 3,
 };
 
-
-static u16 pcnet32_wio_read_csr (unsigned long addr, int index)
+static u16 pcnet32_wio_read_csr(unsigned long addr, int index)
 {
-    outw (index, addr+PCNET32_WIO_RAP);
-    return inw (addr+PCNET32_WIO_RDP);
+	outw(index, addr + PCNET32_WIO_RAP);
+	return inw(addr + PCNET32_WIO_RDP);
 }
 
-static void pcnet32_wio_write_csr (unsigned long addr, int index, u16 val)
+static void pcnet32_wio_write_csr(unsigned long addr, int index, u16 val)
 {
-    outw (index, addr+PCNET32_WIO_RAP);
-    outw (val, addr+PCNET32_WIO_RDP);
+	outw(index, addr + PCNET32_WIO_RAP);
+	outw(val, addr + PCNET32_WIO_RDP);
 }
 
-static u16 pcnet32_wio_read_bcr (unsigned long addr, int index)
+static u16 pcnet32_wio_read_bcr(unsigned long addr, int index)
 {
-    outw (index, addr+PCNET32_WIO_RAP);
-    return inw (addr+PCNET32_WIO_BDP);
+	outw(index, addr + PCNET32_WIO_RAP);
+	return inw(addr + PCNET32_WIO_BDP);
 }
 
-static void pcnet32_wio_write_bcr (unsigned long addr, int index, u16 val)
+static void pcnet32_wio_write_bcr(unsigned long addr, int index, u16 val)
 {
-    outw (index, addr+PCNET32_WIO_RAP);
-    outw (val, addr+PCNET32_WIO_BDP);
+	outw(index, addr + PCNET32_WIO_RAP);
+	outw(val, addr + PCNET32_WIO_BDP);
 }
 
-static u16 pcnet32_wio_read_rap (unsigned long addr)
+static u16 pcnet32_wio_read_rap(unsigned long addr)
 {
-    return inw (addr+PCNET32_WIO_RAP);
+	return inw(addr + PCNET32_WIO_RAP);
 }
 
-static void pcnet32_wio_write_rap (unsigned long addr, u16 val)
+static void pcnet32_wio_write_rap(unsigned long addr, u16 val)
 {
-    outw (val, addr+PCNET32_WIO_RAP);
+	outw(val, addr + PCNET32_WIO_RAP);
 }
 
-static void pcnet32_wio_reset (unsigned long addr)
+static void pcnet32_wio_reset(unsigned long addr)
 {
-    inw (addr+PCNET32_WIO_RESET);
+	inw(addr + PCNET32_WIO_RESET);
 }
 
-static int pcnet32_wio_check (unsigned long addr)
+static int pcnet32_wio_check(unsigned long addr)
 {
-    outw (88, addr+PCNET32_WIO_RAP);
-    return (inw (addr+PCNET32_WIO_RAP) == 88);
+	outw(88, addr + PCNET32_WIO_RAP);
+	return (inw(addr + PCNET32_WIO_RAP) == 88);
 }
 
 static struct pcnet32_access pcnet32_wio = {
-    .read_csr	= pcnet32_wio_read_csr,
-    .write_csr	= pcnet32_wio_write_csr,
-    .read_bcr	= pcnet32_wio_read_bcr,
-    .write_bcr	= pcnet32_wio_write_bcr,
-    .read_rap	= pcnet32_wio_read_rap,
-    .write_rap	= pcnet32_wio_write_rap,
-    .reset	= pcnet32_wio_reset
+	.read_csr = pcnet32_wio_read_csr,
+	.write_csr = pcnet32_wio_write_csr,
+	.read_bcr = pcnet32_wio_read_bcr,
+	.write_bcr = pcnet32_wio_write_bcr,
+	.read_rap = pcnet32_wio_read_rap,
+	.write_rap = pcnet32_wio_write_rap,
+	.reset = pcnet32_wio_reset
 };
 
-static u16 pcnet32_dwio_read_csr (unsigned long addr, int index)
+static u16 pcnet32_dwio_read_csr(unsigned long addr, int index)
 {
-    outl (index, addr+PCNET32_DWIO_RAP);
-    return (inl (addr+PCNET32_DWIO_RDP) & 0xffff);
+	outl(index, addr + PCNET32_DWIO_RAP);
+	return (inl(addr + PCNET32_DWIO_RDP) & 0xffff);
 }
 
-static void pcnet32_dwio_write_csr (unsigned long addr, int index, u16 val)
+static void pcnet32_dwio_write_csr(unsigned long addr, int index, u16 val)
 {
-    outl (index, addr+PCNET32_DWIO_RAP);
-    outl (val, addr+PCNET32_DWIO_RDP);
+	outl(index, addr + PCNET32_DWIO_RAP);
+	outl(val, addr + PCNET32_DWIO_RDP);
 }
 
-static u16 pcnet32_dwio_read_bcr (unsigned long addr, int index)
+static u16 pcnet32_dwio_read_bcr(unsigned long addr, int index)
 {
-    outl (index, addr+PCNET32_DWIO_RAP);
-    return (inl (addr+PCNET32_DWIO_BDP) & 0xffff);
+	outl(index, addr + PCNET32_DWIO_RAP);
+	return (inl(addr + PCNET32_DWIO_BDP) & 0xffff);
 }
 
-static void pcnet32_dwio_write_bcr (unsigned long addr, int index, u16 val)
+static void pcnet32_dwio_write_bcr(unsigned long addr, int index, u16 val)
 {
-    outl (index, addr+PCNET32_DWIO_RAP);
-    outl (val, addr+PCNET32_DWIO_BDP);
+	outl(index, addr + PCNET32_DWIO_RAP);
+	outl(val, addr + PCNET32_DWIO_BDP);
 }
 
-static u16 pcnet32_dwio_read_rap (unsigned long addr)
+static u16 pcnet32_dwio_read_rap(unsigned long addr)
 {
-    return (inl (addr+PCNET32_DWIO_RAP) & 0xffff);
+	return (inl(addr + PCNET32_DWIO_RAP) & 0xffff);
 }
 
-static void pcnet32_dwio_write_rap (unsigned long addr, u16 val)
+static void pcnet32_dwio_write_rap(unsigned long addr, u16 val)
 {
-    outl (val, addr+PCNET32_DWIO_RAP);
+	outl(val, addr + PCNET32_DWIO_RAP);
 }
 
-static void pcnet32_dwio_reset (unsigned long addr)
+static void pcnet32_dwio_reset(unsigned long addr)
 {
-    inl (addr+PCNET32_DWIO_RESET);
+	inl(addr + PCNET32_DWIO_RESET);
 }
 
-static int pcnet32_dwio_check (unsigned long addr)
+static int pcnet32_dwio_check(unsigned long addr)
 {
-    outl (88, addr+PCNET32_DWIO_RAP);
-    return ((inl (addr+PCNET32_DWIO_RAP) & 0xffff) == 88);
+	outl(88, addr + PCNET32_DWIO_RAP);
+	return ((inl(addr + PCNET32_DWIO_RAP) & 0xffff) == 88);
 }
 
 static struct pcnet32_access pcnet32_dwio = {
-    .read_csr	= pcnet32_dwio_read_csr,
-    .write_csr	= pcnet32_dwio_write_csr,
-    .read_bcr	= pcnet32_dwio_read_bcr,
-    .write_bcr	= pcnet32_dwio_write_bcr,
-    .read_rap	= pcnet32_dwio_read_rap,
-    .write_rap	= pcnet32_dwio_write_rap,
-    .reset	= pcnet32_dwio_reset
+	.read_csr = pcnet32_dwio_read_csr,
+	.write_csr = pcnet32_dwio_write_csr,
+	.read_bcr = pcnet32_dwio_read_bcr,
+	.write_bcr = pcnet32_dwio_write_bcr,
+	.read_rap = pcnet32_dwio_read_rap,
+	.write_rap = pcnet32_dwio_write_rap,
+	.reset = pcnet32_dwio_reset
 };
 
 #ifdef CONFIG_NET_POLL_CONTROLLER
 static void pcnet32_poll_controller(struct net_device *dev)
 {
-    disable_irq(dev->irq);
-    pcnet32_interrupt(0, dev, NULL);
-    enable_irq(dev->irq);
+	disable_irq(dev->irq);
+	pcnet32_interrupt(0, dev, NULL);
+	enable_irq(dev->irq);
 }
 #endif
 
-
 static int pcnet32_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 {
-    struct pcnet32_private *lp = dev->priv;
-    unsigned long flags;
-    int r = -EOPNOTSUPP;
+	struct pcnet32_private *lp = dev->priv;
+	unsigned long flags;
+	int r = -EOPNOTSUPP;
 
-    if (lp->mii) {
-	spin_lock_irqsave(&lp->lock, flags);
-	mii_ethtool_gset(&lp->mii_if, cmd);
-	spin_unlock_irqrestore(&lp->lock, flags);
-	r = 0;
-    }
-    return r;
+	if (lp->mii) {
+		spin_lock_irqsave(&lp->lock, flags);
+		mii_ethtool_gset(&lp->mii_if, cmd);
+		spin_unlock_irqrestore(&lp->lock, flags);
+		r = 0;
+	}
+	return r;
 }
 
 static int pcnet32_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 {
-    struct pcnet32_private *lp = dev->priv;
-    unsigned long flags;
-    int r = -EOPNOTSUPP;
+	struct pcnet32_private *lp = dev->priv;
+	unsigned long flags;
+	int r = -EOPNOTSUPP;
 
-    if (lp->mii) {
-	spin_lock_irqsave(&lp->lock, flags);
-	r = mii_ethtool_sset(&lp->mii_if, cmd);
-	spin_unlock_irqrestore(&lp->lock, flags);
-    }
-    return r;
+	if (lp->mii) {
+		spin_lock_irqsave(&lp->lock, flags);
+		r = mii_ethtool_sset(&lp->mii_if, cmd);
+		spin_unlock_irqrestore(&lp->lock, flags);
+	}
+	return r;
 }
 
-static void pcnet32_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
+static void pcnet32_get_drvinfo(struct net_device *dev,
+				struct ethtool_drvinfo *info)
 {
-    struct pcnet32_private *lp = dev->priv;
-
-    strcpy (info->driver, DRV_NAME);
-    strcpy (info->version, DRV_VERSION);
-    if (lp->pci_dev)
-	strcpy (info->bus_info, pci_name(lp->pci_dev));
-    else
-	sprintf(info->bus_info, "VLB 0x%lx", dev->base_addr);
+	struct pcnet32_private *lp = dev->priv;
+
+	strcpy(info->driver, DRV_NAME);
+	strcpy(info->version, DRV_VERSION);
+	if (lp->pci_dev)
+		strcpy(info->bus_info, pci_name(lp->pci_dev));
+	else
+		sprintf(info->bus_info, "VLB 0x%lx", dev->base_addr);
 }
 
 static u32 pcnet32_get_link(struct net_device *dev)
 {
-    struct pcnet32_private *lp = dev->priv;
-    unsigned long flags;
-    int r;
-
-    spin_lock_irqsave(&lp->lock, flags);
-    if (lp->mii) {
-	r = mii_link_ok(&lp->mii_if);
-    } else {
-	ulong ioaddr = dev->base_addr;	/* card base I/O address */
-	r = (lp->a.read_bcr(ioaddr, 4) != 0xc0);
-    }
-    spin_unlock_irqrestore(&lp->lock, flags);
+	struct pcnet32_private *lp = dev->priv;
+	unsigned long flags;
+	int r;
 
-    return r;
+	spin_lock_irqsave(&lp->lock, flags);
+	if (lp->mii) {
+		r = mii_link_ok(&lp->mii_if);
+	} else {
+		ulong ioaddr = dev->base_addr;	/* card base I/O address */
+		r = (lp->a.read_bcr(ioaddr, 4) != 0xc0);
+	}
+	spin_unlock_irqrestore(&lp->lock, flags);
+
+	return r;
 }
 
 static u32 pcnet32_get_msglevel(struct net_device *dev)
 {
-    struct pcnet32_private *lp = dev->priv;
-    return lp->msg_enable;
+	struct pcnet32_private *lp = dev->priv;
+	return lp->msg_enable;
 }
 
 static void pcnet32_set_msglevel(struct net_device *dev, u32 value)
 {
-    struct pcnet32_private *lp = dev->priv;
-    lp->msg_enable = value;
+	struct pcnet32_private *lp = dev->priv;
+	lp->msg_enable = value;
 }
 
 static int pcnet32_nway_reset(struct net_device *dev)
 {
-    struct pcnet32_private *lp = dev->priv;
-    unsigned long flags;
-    int r = -EOPNOTSUPP;
+	struct pcnet32_private *lp = dev->priv;
+	unsigned long flags;
+	int r = -EOPNOTSUPP;
 
-    if (lp->mii) {
-	spin_lock_irqsave(&lp->lock, flags);
-	r = mii_nway_restart(&lp->mii_if);
-	spin_unlock_irqrestore(&lp->lock, flags);
-    }
-    return r;
+	if (lp->mii) {
+		spin_lock_irqsave(&lp->lock, flags);
+		r = mii_nway_restart(&lp->mii_if);
+		spin_unlock_irqrestore(&lp->lock, flags);
+	}
+	return r;
 }
 
-static void pcnet32_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
+static void pcnet32_get_ringparam(struct net_device *dev,
+				  struct ethtool_ringparam *ering)
 {
-    struct pcnet32_private *lp = dev->priv;
+	struct pcnet32_private *lp = dev->priv;
 
-    ering->tx_max_pending = TX_MAX_RING_SIZE - 1;
-    ering->tx_pending = lp->tx_ring_size - 1;
-    ering->rx_max_pending = RX_MAX_RING_SIZE - 1;
-    ering->rx_pending = lp->rx_ring_size - 1;
+	ering->tx_max_pending = TX_MAX_RING_SIZE - 1;
+	ering->tx_pending = lp->tx_ring_size - 1;
+	ering->rx_max_pending = RX_MAX_RING_SIZE - 1;
+	ering->rx_pending = lp->rx_ring_size - 1;
 }
 
-static int pcnet32_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
+static int pcnet32_set_ringparam(struct net_device *dev,
+				 struct ethtool_ringparam *ering)
 {
-    struct pcnet32_private *lp = dev->priv;
-    unsigned long flags;
-    int i;
-
-    if (ering->rx_mini_pending || ering->rx_jumbo_pending)
-	return -EINVAL;
-
-    if (netif_running(dev))
-	pcnet32_close(dev);
-
-    spin_lock_irqsave(&lp->lock, flags);
-    pcnet32_free_ring(dev);
-    lp->tx_ring_size = min(ering->tx_pending, (unsigned int) TX_MAX_RING_SIZE);
-    lp->rx_ring_size = min(ering->rx_pending, (unsigned int) RX_MAX_RING_SIZE);
-
-    /* set the minimum ring size to 4, to allow the loopback test to work
-     * unchanged.
-     */
-    for (i = 2; i <= PCNET32_LOG_MAX_TX_BUFFERS; i++) {
-	if (lp->tx_ring_size <= (1 << i))
-	    break;
-    }
-    lp->tx_ring_size = (1 << i);
-    lp->tx_mod_mask = lp->tx_ring_size - 1;
-    lp->tx_len_bits = (i << 12);
-
-    for (i = 2; i <= PCNET32_LOG_MAX_RX_BUFFERS; i++) {
-	if (lp->rx_ring_size <= (1 << i))
-	    break;
-    }
-    lp->rx_ring_size = (1 << i);
-    lp->rx_mod_mask = lp->rx_ring_size - 1;
-    lp->rx_len_bits = (i << 4);
-
-    if (pcnet32_alloc_ring(dev, dev->name)) {
+	struct pcnet32_private *lp = dev->priv;
+	unsigned long flags;
+	int i;
+
+	if (ering->rx_mini_pending || ering->rx_jumbo_pending)
+		return -EINVAL;
+
+	if (netif_running(dev))
+		pcnet32_close(dev);
+
+	spin_lock_irqsave(&lp->lock, flags);
 	pcnet32_free_ring(dev);
-	spin_unlock_irqrestore(&lp->lock, flags);
-	return -ENOMEM;
-    }
+	lp->tx_ring_size =
+	    min(ering->tx_pending, (unsigned int)TX_MAX_RING_SIZE);
+	lp->rx_ring_size =
+	    min(ering->rx_pending, (unsigned int)RX_MAX_RING_SIZE);
+
+	/* set the minimum ring size to 4, to allow the loopback test to work
+	 * unchanged.
+	 */
+	for (i = 2; i <= PCNET32_LOG_MAX_TX_BUFFERS; i++) {
+		if (lp->tx_ring_size <= (1 << i))
+			break;
+	}
+	lp->tx_ring_size = (1 << i);
+	lp->tx_mod_mask = lp->tx_ring_size - 1;
+	lp->tx_len_bits = (i << 12);
 
-    spin_unlock_irqrestore(&lp->lock, flags);
+	for (i = 2; i <= PCNET32_LOG_MAX_RX_BUFFERS; i++) {
+		if (lp->rx_ring_size <= (1 << i))
+			break;
+	}
+	lp->rx_ring_size = (1 << i);
+	lp->rx_mod_mask = lp->rx_ring_size - 1;
+	lp->rx_len_bits = (i << 4);
+
+	if (pcnet32_alloc_ring(dev, dev->name)) {
+		pcnet32_free_ring(dev);
+		spin_unlock_irqrestore(&lp->lock, flags);
+		return -ENOMEM;
+	}
 
-    if (pcnet32_debug & NETIF_MSG_DRV)
-	printk(KERN_INFO PFX "%s: Ring Param Settings: RX: %d, TX: %d\n",
-	       dev->name, lp->rx_ring_size, lp->tx_ring_size);
+	spin_unlock_irqrestore(&lp->lock, flags);
 
-    if (netif_running(dev))
-	pcnet32_open(dev);
+	if (pcnet32_debug & NETIF_MSG_DRV)
+		printk(KERN_INFO PFX
+		       "%s: Ring Param Settings: RX: %d, TX: %d\n", dev->name,
+		       lp->rx_ring_size, lp->tx_ring_size);
 
-    return 0;
+	if (netif_running(dev))
+		pcnet32_open(dev);
+
+	return 0;
 }
 
-static void pcnet32_get_strings(struct net_device *dev, u32 stringset, u8 *data)
+static void pcnet32_get_strings(struct net_device *dev, u32 stringset,
+				u8 * data)
 {
-    memcpy(data, pcnet32_gstrings_test, sizeof(pcnet32_gstrings_test));
+	memcpy(data, pcnet32_gstrings_test, sizeof(pcnet32_gstrings_test));
 }
 
 static int pcnet32_self_test_count(struct net_device *dev)
 {
-    return PCNET32_TEST_LEN;
+	return PCNET32_TEST_LEN;
 }
 
 static void pcnet32_ethtool_test(struct net_device *dev,
-	struct ethtool_test *test, u64 *data)
+				 struct ethtool_test *test, u64 * data)
 {
-    struct pcnet32_private *lp = dev->priv;
-    int rc;
-
-    if (test->flags == ETH_TEST_FL_OFFLINE) {
-	rc = pcnet32_loopback_test(dev, data);
-	if (rc) {
-	    if (netif_msg_hw(lp))
-		printk(KERN_DEBUG "%s: Loopback test failed.\n", dev->name);
-	    test->flags |= ETH_TEST_FL_FAILED;
+	struct pcnet32_private *lp = dev->priv;
+	int rc;
+
+	if (test->flags == ETH_TEST_FL_OFFLINE) {
+		rc = pcnet32_loopback_test(dev, data);
+		if (rc) {
+			if (netif_msg_hw(lp))
+				printk(KERN_DEBUG "%s: Loopback test failed.\n",
+				       dev->name);
+			test->flags |= ETH_TEST_FL_FAILED;
+		} else if (netif_msg_hw(lp))
+			printk(KERN_DEBUG "%s: Loopback test passed.\n",
+			       dev->name);
 	} else if (netif_msg_hw(lp))
-	    printk(KERN_DEBUG "%s: Loopback test passed.\n", dev->name);
-    } else if (netif_msg_hw(lp))
-	printk(KERN_DEBUG "%s: No tests to run (specify 'Offline' on ethtool).",	    dev->name);
-} /* end pcnet32_ethtool_test */
+		printk(KERN_DEBUG
+		       "%s: No tests to run (specify 'Offline' on ethtool).",
+		       dev->name);
+}				/* end pcnet32_ethtool_test */
 
-static int pcnet32_loopback_test(struct net_device *dev, uint64_t *data1)
+static int pcnet32_loopback_test(struct net_device *dev, uint64_t * data1)
 {
-    struct pcnet32_private *lp = dev->priv;
-    struct pcnet32_access *a = &lp->a;	/* access to registers */
-    ulong ioaddr = dev->base_addr;	/* card base I/O address */
-    struct sk_buff *skb;		/* sk buff */
-    int x, i;				/* counters */
-    int numbuffs = 4;			/* number of TX/RX buffers and descs */
-    u16 status = 0x8300;		/* TX ring status */
-    u16 teststatus;			/* test of ring status */
-    int rc;				/* return code */
-    int size;				/* size of packets */
-    unsigned char *packet;		/* source packet data */
-    static const int data_len = 60;		/* length of source packets */
-    unsigned long flags;
-    unsigned long ticks;
-
-    *data1 = 1;			/* status of test, default to fail */
-    rc = 1;			/* default to fail */
-
-    if (netif_running(dev))
-	pcnet32_close(dev);
-
-    spin_lock_irqsave(&lp->lock, flags);
-
-    /* Reset the PCNET32 */
-    lp->a.reset (ioaddr);
-
-    /* switch pcnet32 to 32bit mode */
-    lp->a.write_bcr (ioaddr, 20, 2);
-
-    lp->init_block.mode = le16_to_cpu((lp->options & PCNET32_PORT_PORTSEL) << 7);
-    lp->init_block.filter[0] = 0;
-    lp->init_block.filter[1] = 0;
-
-    /* purge & init rings but don't actually restart */
-    pcnet32_restart(dev, 0x0000);
-
-    lp->a.write_csr(ioaddr, 0, 0x0004);	/* Set STOP bit */
-
-    /* Initialize Transmit buffers. */
-    size = data_len + 15;
-    for (x=0; x<numbuffs; x++) {
-	if (!(skb = dev_alloc_skb(size))) {
-	    if (netif_msg_hw(lp))
-		printk(KERN_DEBUG "%s: Cannot allocate skb at line: %d!\n",
-		    dev->name, __LINE__);
-	    goto clean_up;
-	} else {
-	    packet = skb->data;
-	    skb_put(skb, size);		/* create space for data */
-	    lp->tx_skbuff[x] = skb;
-	    lp->tx_ring[x].length = le16_to_cpu(-skb->len);
-	    lp->tx_ring[x].misc = 0;
-
-            /* put DA and SA into the skb */
-	    for (i=0; i<6; i++)
-		*packet++ = dev->dev_addr[i];
-	    for (i=0; i<6; i++)
-		*packet++ = dev->dev_addr[i];
-	    /* type */
-	    *packet++ = 0x08;
-	    *packet++ = 0x06;
-	    /* packet number */
-	    *packet++ = x;
-	    /* fill packet with data */
-	    for (i=0; i<data_len; i++)
-		*packet++ = i;
-
-	    lp->tx_dma_addr[x] = pci_map_single(lp->pci_dev, skb->data,
-		    skb->len, PCI_DMA_TODEVICE);
-	    lp->tx_ring[x].base = (u32)le32_to_cpu(lp->tx_dma_addr[x]);
-	    wmb(); /* Make sure owner changes after all others are visible */
-	    lp->tx_ring[x].status = le16_to_cpu(status);
-	}
-    }
-
-    x = a->read_bcr(ioaddr, 32);	/* set internal loopback in BSR32 */
-    x = x | 0x0002;
-    a->write_bcr(ioaddr, 32, x);
-
-    lp->a.write_csr (ioaddr, 15, 0x0044);	/* set int loopback in CSR15 */
-
-    teststatus = le16_to_cpu(0x8000);
-    lp->a.write_csr(ioaddr, 0, 0x0002);		/* Set STRT bit */
-
-    /* Check status of descriptors */
-    for (x=0; x<numbuffs; x++) {
-	ticks = 0;
-	rmb();
-	while ((lp->rx_ring[x].status & teststatus) && (ticks < 200)) {
-	    spin_unlock_irqrestore(&lp->lock, flags);
-	    mdelay(1);
-	    spin_lock_irqsave(&lp->lock, flags);
-	    rmb();
-	    ticks++;
-	}
-	if (ticks == 200) {
-	    if (netif_msg_hw(lp))
-		printk("%s: Desc %d failed to reset!\n",dev->name,x);
-	    break;
-	}
-    }
-
-    lp->a.write_csr(ioaddr, 0, 0x0004);		/* Set STOP bit */
-    wmb();
-    if (netif_msg_hw(lp) && netif_msg_pktdata(lp)) {
-	printk(KERN_DEBUG "%s: RX loopback packets:\n", dev->name);
-
-	for (x=0; x<numbuffs; x++) {
-	    printk(KERN_DEBUG "%s: Packet %d:\n", dev->name, x);
-	    skb = lp->rx_skbuff[x];
-	    for (i=0; i<size; i++) {
-		printk("%02x ", *(skb->data+i));
-	    }
-	    printk("\n");
-	}
-    }
-
-    x = 0;
-    rc = 0;
-    while (x<numbuffs && !rc) {
-	skb = lp->rx_skbuff[x];
-	packet = lp->tx_skbuff[x]->data;
-	for (i=0; i<size; i++) {
-	    if (*(skb->data+i) != packet[i]) {
-		if (netif_msg_hw(lp))
-		    printk(KERN_DEBUG "%s: Error in compare! %2x - %02x %02x\n",
-			    dev->name, i, *(skb->data+i), packet[i]);
-		rc = 1;
-		break;
-	    }
+	struct pcnet32_private *lp = dev->priv;
+	struct pcnet32_access *a = &lp->a;	/* access to registers */
+	ulong ioaddr = dev->base_addr;	/* card base I/O address */
+	struct sk_buff *skb;	/* sk buff */
+	int x, i;		/* counters */
+	int numbuffs = 4;	/* number of TX/RX buffers and descs */
+	u16 status = 0x8300;	/* TX ring status */
+	u16 teststatus;		/* test of ring status */
+	int rc;			/* return code */
+	int size;		/* size of packets */
+	unsigned char *packet;	/* source packet data */
+	static const int data_len = 60;	/* length of source packets */
+	unsigned long flags;
+	unsigned long ticks;
+
+	*data1 = 1;		/* status of test, default to fail */
+	rc = 1;			/* default to fail */
+
+	if (netif_running(dev))
+		pcnet32_close(dev);
+
+	spin_lock_irqsave(&lp->lock, flags);
+
+	/* Reset the PCNET32 */
+	lp->a.reset(ioaddr);
+
+	/* switch pcnet32 to 32bit mode */
+	lp->a.write_bcr(ioaddr, 20, 2);
+
+	lp->init_block.mode =
+	    le16_to_cpu((lp->options & PCNET32_PORT_PORTSEL) << 7);
+	lp->init_block.filter[0] = 0;
+	lp->init_block.filter[1] = 0;
+
+	/* purge & init rings but don't actually restart */
+	pcnet32_restart(dev, 0x0000);
+
+	lp->a.write_csr(ioaddr, 0, 0x0004);	/* Set STOP bit */
+
+	/* Initialize Transmit buffers. */
+	size = data_len + 15;
+	for (x = 0; x < numbuffs; x++) {
+		if (!(skb = dev_alloc_skb(size))) {
+			if (netif_msg_hw(lp))
+				printk(KERN_DEBUG
+				       "%s: Cannot allocate skb at line: %d!\n",
+				       dev->name, __LINE__);
+			goto clean_up;
+		} else {
+			packet = skb->data;
+			skb_put(skb, size);	/* create space for data */
+			lp->tx_skbuff[x] = skb;
+			lp->tx_ring[x].length = le16_to_cpu(-skb->len);
+			lp->tx_ring[x].misc = 0;
+
+			/* put DA and SA into the skb */
+			for (i = 0; i < 6; i++)
+				*packet++ = dev->dev_addr[i];
+			for (i = 0; i < 6; i++)
+				*packet++ = dev->dev_addr[i];
+			/* type */
+			*packet++ = 0x08;
+			*packet++ = 0x06;
+			/* packet number */
+			*packet++ = x;
+			/* fill packet with data */
+			for (i = 0; i < data_len; i++)
+				*packet++ = i;
+
+			lp->tx_dma_addr[x] =
+			    pci_map_single(lp->pci_dev, skb->data, skb->len,
+					   PCI_DMA_TODEVICE);
+			lp->tx_ring[x].base =
+			    (u32) le32_to_cpu(lp->tx_dma_addr[x]);
+			wmb();	/* Make sure owner changes after all others are visible */
+			lp->tx_ring[x].status = le16_to_cpu(status);
+		}
 	}
-	x++;
-    }
-    if (!rc) {
-	*data1 = 0;
-    }
 
-clean_up:
-    pcnet32_purge_tx_ring(dev);
-    x = a->read_csr(ioaddr, 15) & 0xFFFF;
-    a->write_csr(ioaddr, 15, (x & ~0x0044));	/* reset bits 6 and 2 */
+	x = a->read_bcr(ioaddr, 32);	/* set internal loopback in BSR32 */
+	x = x | 0x0002;
+	a->write_bcr(ioaddr, 32, x);
+
+	lp->a.write_csr(ioaddr, 15, 0x0044);	/* set int loopback in CSR15 */
+
+	teststatus = le16_to_cpu(0x8000);
+	lp->a.write_csr