diff options
Diffstat (limited to 'drivers/net/tlan.h')
-rw-r--r-- | drivers/net/tlan.h | 485 |
1 files changed, 485 insertions, 0 deletions
diff --git a/drivers/net/tlan.h b/drivers/net/tlan.h new file mode 100644 index 000000000..9919fd275 --- /dev/null +++ b/drivers/net/tlan.h @@ -0,0 +1,485 @@ +/******************************************************************** + * + * Linux ThunderLAN Driver + * + * tlan.h + * by James Banks, james.banks@caldera.com + * + * (C) 1997 Caldera, Inc. + * + * This software may be used and distributed according to the terms + * of the GNU Public License, incorporated herein by reference. + * + ** This file is best viewed/edited with tabstop=4, colums>=132 + * + ********************************************************************/ + +#include <asm/io.h> +#include <asm/types.h> +#include <linux/netdevice.h> + + + + /***************************************************************** + * TLan Definitions + * + ****************************************************************/ + + #define FALSE 0 + #define TRUE 1 + + #define TLAN_MIN_FRAME_SIZE 64 + #define TLAN_MAX_FRAME_SIZE 1600 + + #define TLAN_NUM_RX_LISTS 4 + #define TLAN_NUM_TX_LISTS 8 + + #define TLAN_IGNORE 0 + #define TLAN_RECORD 1 + + #define TLAN_DBG(lvl, format, args...) if ( debug >= lvl ) printk( format, ##args ); + + + + + /***************************************************************** + * Device Identification Definitions + * + ****************************************************************/ + + /* NOTE: These should be moved to pci.h someday */ + #define PCI_DEVICE_ID_NETELLIGENT_10 0xAE34 + #define PCI_DEVICE_ID_NETELLIGENT_10_100 0xAE32 + #define PCI_DEVICE_ID_NETFLEX_3_INTEGRATED 0xAE35 + + + typedef struct tlan_pci_id { + u16 vendorId; + u16 deviceId; + char *deviceName; + } TLanPciId; + + + + + /***************************************************************** + * Rx/Tx List Definitions + * + ****************************************************************/ + + #define TLAN_BUFFERS_PER_LIST 10 + #define TLAN_LAST_BUFFER 0x80000000 + #define TLAN_CSTAT_UNUSED 0x8000 + #define TLAN_CSTAT_FRM_CMP 0x4000 + #define TLAN_CSTAT_READY 0x3000 + #define TLAN_CSTAT_EOC 0x0800 + #define TLAN_CSTAT_RX_ERROR 0x0400 + #define TLAN_CSTAT_PASS_CRC 0x0200 + #define TLAN_CSTAT_DP_PR 0x0100 + + + typedef struct tlan_buffer_ref_tag { + u32 count; + u32 address; + } TLanBufferRef; + + + typedef struct tlan_list_tag { + u32 forward; + u16 cStat; + u16 frameSize; + TLanBufferRef buffer[TLAN_BUFFERS_PER_LIST]; + } TLanList; + + + typedef u8 TLanBuffer[TLAN_MAX_FRAME_SIZE]; + + + + + /***************************************************************** + * PHY definitions + * + ****************************************************************/ + + #define TLAN_PHY_MAX_ADDR 0x1F + #define TLAN_PHY_INTERNAL 0x1F + + #define TLAN_PHY_ACTIVITY 0x00000001 + #define TLAN_PHY_AUTONEG 0x00000002 + + + typedef int (TLanPhyFunc)( struct device * ); + + + typedef struct tlan_phy_id_entry_tag { + u16 idHi; + u16 idLo; + TLanPhyFunc *check; + TLanPhyFunc *service; + u32 flags; + } TLanPhyIdEntry; + + + + + /***************************************************************** + * TLAN Private Information Structure + * + ****************************************************************/ + + typedef struct tlan_private_tag { + struct device *nextDevice; + void *dmaStorage; + u8 *padBuffer; + TLanList *rxList; + u8 *rxBuffer; + u32 rxHead; + u32 rxTail; + u32 rxEocCount; + TLanList *txList; + u8 *txBuffer; + u32 txHead; + u32 txInProgress; + u32 txTail; + u32 txBusyCount; + u32 phyAddr; + u32 phyEntry; + u32 phyOnline; + u32 phyFlags; + TLanPhyFunc *phyCheck; + TLanPhyFunc *phyService; + u32 timerSetAt; + u32 timerType; + struct timer_list timer; + struct enet_statistics stats; + u32 pciEntry; + u8 pciRevision; + u8 pciBus; + u8 pciDeviceFn; + char devName[8]; + } TLanPrivateInfo; + + + + + /***************************************************************** + * TLan Driver Timer Definitions + * + ****************************************************************/ + + #define TLAN_TIMER_LINK 1 + #define TLAN_TIMER_ACT 2 + + #define TLAN_TIMER_LINK_DELAY 230 + #define TLAN_TIMER_ACT_DELAY 10 + + + + + /***************************************************************** + * TLan Driver Eeprom Definitions + * + ****************************************************************/ + + #define TLAN_EEPROM_ACK 0 + #define TLAN_EEPROM_STOP 1 + + + + + /***************************************************************** + * Host Register Offsets and Contents + * + ****************************************************************/ + + #define TLAN_HOST_CMD 0x00 + #define TLAN_HC_GO 0x80000000 + #define TLAN_HC_STOP 0x40000000 + #define TLAN_HC_ACK 0x20000000 + #define TLAN_HC_CS_MASK 0x1FE00000 + #define TLAN_HC_EOC 0x00100000 + #define TLAN_HC_RT 0x00080000 + #define TLAN_HC_NES 0x00040000 + #define TLAN_HC_AD_RST 0x00008000 + #define TLAN_HC_LD_TMR 0x00004000 + #define TLAN_HC_LD_THR 0x00002000 + #define TLAN_HC_REQ_INT 0x00001000 + #define TLAN_HC_INT_OFF 0x00000800 + #define TLAN_HC_INT_ON 0x00000400 + #define TLAN_HC_AC_MASK 0x000000FF + #define TLAN_CH_PARM 0x04 + #define TLAN_DIO_ADR 0x08 + #define TLAN_DA_ADR_INC 0x8000 + #define TLAN_DA_RAM_ADR 0x4000 + #define TLAN_HOST_INT 0x0A + #define TLAN_HI_IV_MASK 0x1FE0 + #define TLAN_HI_IT_MASK 0x001C + #define TLAN_DIO_DATA 0x0C + + +/* ThunderLAN Internal Register DIO Offsets */ + +#define TLAN_NET_CMD 0x00 +#define TLAN_NET_CMD_NRESET 0x80 +#define TLAN_NET_CMD_NWRAP 0x40 +#define TLAN_NET_CMD_CSF 0x20 +#define TLAN_NET_CMD_CAF 0x10 +#define TLAN_NET_CMD_NOBRX 0x08 +#define TLAN_NET_CMD_DUPLEX 0x04 +#define TLAN_NET_CMD_TRFRAM 0x02 +#define TLAN_NET_CMD_TXPACE 0x01 +#define TLAN_NET_SIO 0x01 +#define TLAN_NET_SIO_MINTEN 0x80 +#define TLAN_NET_SIO_ECLOK 0x40 +#define TLAN_NET_SIO_ETXEN 0x20 +#define TLAN_NET_SIO_EDATA 0x10 +#define TLAN_NET_SIO_NMRST 0x08 +#define TLAN_NET_SIO_MCLK 0x04 +#define TLAN_NET_SIO_MTXEN 0x02 +#define TLAN_NET_SIO_MDATA 0x01 +#define TLAN_NET_STS 0x02 +#define TLAN_NET_STS_MIRQ 0x80 +#define TLAN_NET_STS_HBEAT 0x40 +#define TLAN_NET_STS_TXSTOP 0x20 +#define TLAN_NET_STS_RXSTOP 0x10 +#define TLAN_NET_STS_RSRVD 0x0F +#define TLAN_NET_MASK 0x03 +#define TLAN_NET_MASK_MASK7 0x80 +#define TLAN_NET_MASK_MASK6 0x40 +#define TLAN_NET_MASK_MASK5 0x20 +#define TLAN_NET_MASK_MASK4 0x10 +#define TLAN_NET_MASK_RSRVD 0x0F +#define TLAN_NET_CONFIG 0x04 +#define TLAN_NET_CFG_RCLK 0x8000 +#define TLAN_NET_CFG_TCLK 0x4000 +#define TLAN_NET_CFG_BIT 0x2000 +#define TLAN_NET_CFG_RXCRC 0x1000 +#define TLAN_NET_CFG_PEF 0x0800 +#define TLAN_NET_CFG_1FRAG 0x0400 +#define TLAN_NET_CFG_1CHAN 0x0200 +#define TLAN_NET_CFG_MTEST 0x0100 +#define TLAN_NET_CFG_PHY_EN 0x0080 +#define TLAN_NET_CFG_MSMASK 0x007F +#define TLAN_MAN_TEST 0x06 +#define TLAN_DEF_VENDOR_ID 0x08 +#define TLAN_DEF_DEVICE_ID 0x0A +#define TLAN_DEF_REVISION 0x0C +#define TLAN_DEF_SUBCLASS 0x0D +#define TLAN_DEF_MIN_LAT 0x0E +#define TLAN_DEF_MAX_LAT 0x0F +#define TLAN_AREG_0 0x10 +#define TLAN_AREG_1 0x16 +#define TLAN_AREG_2 0x1C +#define TLAN_AREG_3 0x22 +#define TLAN_HASH_1 0x28 +#define TLAN_HASH_2 0x2C +#define TLAN_GOOD_TX_FRMS 0x30 +#define TLAN_TX_UNDERUNS 0x33 +#define TLAN_GOOD_RX_FRMS 0x34 +#define TLAN_RX_OVERRUNS 0x37 +#define TLAN_DEFERRED_TX 0x38 +#define TLAN_CRC_ERRORS 0x3A +#define TLAN_CODE_ERRORS 0x3B +#define TLAN_MULTICOL_FRMS 0x3C +#define TLAN_SINGLECOL_FRMS 0x3E +#define TLAN_EXCESSCOL_FRMS 0x40 +#define TLAN_LATE_COLS 0x41 +#define TLAN_CARRIER_LOSS 0x42 +#define TLAN_ACOMMIT 0x43 +#define TLAN_LED_REG 0x44 +#define TLAN_LED_ACT 0x10 +#define TLAN_LED_LINK 0x01 +#define TLAN_BSIZE_REG 0x45 +#define TLAN_MAX_RX 0x46 +#define TLAN_INT_DIS 0x48 +#define TLAN_ID_TX_EOC 0x04 +#define TLAN_ID_RX_EOF 0x02 +#define TLAN_ID_RX_EOC 0x01 + + + +/* ThunderLAN Interrupt Codes */ + +#define TLAN_INT_NUMBER_OF_INTS 8 + +#define TLAN_INT_NONE 0x0000 +#define TLAN_INT_TX_EOF 0x0001 +#define TLAN_INT_STAT_OVERFLOW 0x0002 +#define TLAN_INT_RX_EOF 0x0003 +#define TLAN_INT_DUMMY 0x0004 +#define TLAN_INT_TX_EOC 0x0005 +#define TLAN_INT_STATUS_CHECK 0x0006 +#define TLAN_INT_RX_EOC 0x0007 + + + +/* ThunderLAN MII Registers */ + +/* Generic MII/PHY Registers */ + +#define MII_GEN_CTL 0x00 +#define MII_GC_RESET 0x8000 +#define MII_GC_LOOPBK 0x4000 +#define MII_GC_SPEEDSEL 0x2000 +#define MII_GC_AUTOENB 0x1000 +#define MII_GC_PDOWN 0x0800 +#define MII_GC_ISOLATE 0x0400 +#define MII_GC_AUTORSRT 0x0200 +#define MII_GC_DUPLEX 0x0100 +#define MII_GC_COLTEST 0x0080 +#define MII_GC_RESERVED 0x007F +#define MII_GEN_STS 0x01 +#define MII_GS_100BT4 0x8000 +#define MII_GS_100BTXFD 0x4000 +#define MII_GS_100BTXHD 0x2000 +#define MII_GS_10BTFD 0x1000 +#define MII_GS_10BTHD 0x0800 +#define MII_GS_RESERVED 0x07C0 +#define MII_GS_AUTOCMPLT 0x0020 +#define MII_GS_RFLT 0x0010 +#define MII_GS_AUTONEG 0x0008 +#define MII_GS_LINK 0x0004 +#define MII_GS_JABBER 0x0002 +#define MII_GS_EXTCAP 0x0001 +#define MII_GEN_ID_HI 0x02 +#define MII_GEN_ID_LO 0x03 +#define MII_GIL_OUI 0xFC00 +#define MII_GIL_MODEL 0x03F0 +#define MII_GIL_REVISION 0x000F +#define MII_AN_ADV 0x04 +#define MII_AN_LPA 0x05 +#define MII_AN_EXP 0x06 + +/* ThunderLAN Specific MII/PHY Registers */ + +#define TLAN_TLPHY_ID 0x10 +#define TLAN_TLPHY_CTL 0x11 +#define TLAN_TC_IGLINK 0x8000 +#define TLAN_TC_SWAPOL 0x4000 +#define TLAN_TC_AUISEL 0x2000 +#define TLAN_TC_SQEEN 0x1000 +#define TLAN_TC_MTEST 0x0800 +#define TLAN_TC_RESERVED 0x07F8 +#define TLAN_TC_NFEW 0x0004 +#define TLAN_TC_INTEN 0x0002 +#define TLAN_TC_TINT 0x0001 +#define TLAN_TLPHY_STS 0x12 +#define TLAN_TS_MINT 0x8000 +#define TLAN_TS_PHOK 0x4000 +#define TLAN_TS_POLOK 0x2000 +#define TLAN_TS_TPENERGY 0x1000 +#define TLAN_TS_RESERVED 0x0FFF + + + +/* Routines to access internal registers. */ + +inline u8 TLan_DioRead8(u16 base_addr, u16 internal_addr) +{ + outw(internal_addr, base_addr + TLAN_DIO_ADR); + return (inb((base_addr + TLAN_DIO_DATA) + (internal_addr & 0x3))); + +} /* TLan_DioRead8 */ + + + + +inline u16 TLan_DioRead16(u16 base_addr, u16 internal_addr) +{ + outw(internal_addr, base_addr + TLAN_DIO_ADR); + return (inw((base_addr + TLAN_DIO_DATA) + (internal_addr & 0x2))); + +} /* TLan_DioRead16 */ + + + + +inline u32 TLan_DioRead32(u16 base_addr, u16 internal_addr) +{ + outw(internal_addr, base_addr + TLAN_DIO_ADR); + return (inl(base_addr + TLAN_DIO_DATA)); + +} /* TLan_DioRead32 */ + + + + +inline void TLan_DioWrite8(u16 base_addr, u16 internal_addr, u8 data) +{ + outw(internal_addr, base_addr + TLAN_DIO_ADR); + outb(data, base_addr + TLAN_DIO_DATA + (internal_addr & 0x3)); + +} + + + + +inline void TLan_DioWrite16(u16 base_addr, u16 internal_addr, u16 data) +{ + outw(internal_addr, base_addr + TLAN_DIO_ADR); + outw(data, base_addr + TLAN_DIO_DATA + (internal_addr & 0x2)); + +} + + + + +inline void TLan_DioWrite32(u16 base_addr, u16 internal_addr, u32 data) +{ + outw(internal_addr, base_addr + TLAN_DIO_ADR); + outl(data, base_addr + TLAN_DIO_DATA + (internal_addr & 0x2)); + +} + + + + +inline void TLan_ClearBit(u8 bit, u16 port) +{ + outb_p(inb_p(port) & ~bit, port); +} + + + + +inline int TLan_GetBit(u8 bit, u16 port) +{ + return ((int) (inb_p(port) & bit)); +} + + + + +inline void TLan_SetBit(u8 bit, u16 port) +{ + outb_p(inb_p(port) | bit, port); +} + + +inline u32 xor( u32 a, u32 b ) +{ + return ( ( a && ! b ) || ( ! a && b ) ); +} +#define XOR8( a, b, c, d, e, f, g, h ) xor( a, xor( b, xor( c, xor( d, xor( e, xor( f, xor( g, h ) ) ) ) ) ) ) +#define DA( a, bit ) ( ( (u8) a[bit/8] ) & ( (u8) ( 1 << bit%8 ) ) ) + +inline u32 TLan_HashFunc( u8 *a ) +{ + u32 hash; + + hash = XOR8( DA(a,0), DA(a, 6), DA(a,12), DA(a,18), DA(a,24), DA(a,30), DA(a,36), DA(a,42) ); + hash |= XOR8( DA(a,1), DA(a, 7), DA(a,13), DA(a,19), DA(a,25), DA(a,31), DA(a,37), DA(a,43) ) << 1; + hash |= XOR8( DA(a,2), DA(a, 8), DA(a,14), DA(a,20), DA(a,26), DA(a,32), DA(a,38), DA(a,44) ) << 2; + hash |= XOR8( DA(a,3), DA(a, 9), DA(a,15), DA(a,21), DA(a,27), DA(a,33), DA(a,39), DA(a,45) ) << 3; + hash |= XOR8( DA(a,4), DA(a,10), DA(a,16), DA(a,22), DA(a,28), DA(a,34), DA(a,40), DA(a,46) ) << 4; + hash |= XOR8( DA(a,5), DA(a,11), DA(a,17), DA(a,23), DA(a,29), DA(a,35), DA(a,41), DA(a,47) ) << 5; + + return hash; + +} + + + + +#endif |