diff options
Diffstat (limited to 'drivers/net/tokenring/3c359.h')
| -rw-r--r-- | drivers/net/tokenring/3c359.h | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/drivers/net/tokenring/3c359.h b/drivers/net/tokenring/3c359.h new file mode 100644 index 00000000000..05c86036885 --- /dev/null +++ b/drivers/net/tokenring/3c359.h @@ -0,0 +1,290 @@ +/* + * 3c359.h (c) 2000 Mike Phillips (mikep@linuxtr.net) All Rights Reserved + * + * Linux driver for 3Com 3C359 Token Link PCI XL cards. + * + * This software may be used and distributed according to the terms + * of the GNU General Public License Version 2 or (at your option) + * any later verion, incorporated herein by reference. + */ + +/* Memory Access Commands */ +#define IO_BYTE_READ 0x28 << 24 +#define IO_BYTE_WRITE 0x18 << 24 +#define IO_WORD_READ 0x20 << 24 +#define IO_WORD_WRITE 0x10 << 24 +#define MMIO_BYTE_READ 0x88 << 24 +#define MMIO_BYTE_WRITE 0x48 << 24 +#define MMIO_WORD_READ 0x80 << 24 +#define MMIO_WORD_WRITE 0x40 << 24 +#define MEM_BYTE_READ 0x8C << 24 +#define MEM_BYTE_WRITE 0x4C << 24 +#define MEM_WORD_READ 0x84 << 24 +#define MEM_WORD_WRITE 0x44 << 24 + +#define PMBAR 0x1C80 +#define PMB_CPHOLD (1<<10) + +#define CPATTENTION 0x180D +#define CPA_PMBARVIS (1<<7) +#define CPA_MEMWREN (1<<6) + +#define SWITCHSETTINGS 0x1C88 +#define EECONTROL 0x1C8A +#define EEDATA 0x1C8C +#define EEREAD 0x0080 +#define EEWRITE 0x0040 +#define EEERASE 0x0060 +#define EE_ENABLE_WRITE 0x0030 +#define EEBUSY (1<<15) + +#define WRBR 0xCDE02 +#define WWOR 0xCDE04 +#define WWCR 0xCDE06 +#define MACSTATUS 0xCDE08 +#define MISR_RW 0xCDE0B +#define MISR_AND 0xCDE2B +#define MISR_SET 0xCDE4B +#define RXBUFAREA 0xCDE10 +#define RXEARLYTHRESH 0xCDE12 +#define TXSTARTTHRESH 0x58 +#define DNPRIREQTHRESH 0x2C + +#define MISR_CSRB (1<<5) +#define MISR_RASB (1<<4) +#define MISR_SRBFR (1<<3) +#define MISR_ASBFR (1<<2) +#define MISR_ARBF (1<<1) + +/* MISR Flags memory locations */ +#define MF_SSBF 0xDFFE0 +#define MF_ARBF 0xDFFE1 +#define MF_ASBFR 0xDFFE2 +#define MF_SRBFR 0xDFFE3 +#define MF_RASB 0xDFFE4 +#define MF_CSRB 0xDFFE5 + +#define MMIO_MACDATA 0x10 +#define MMIO_MAC_ACCESS_CMD 0x14 +#define MMIO_TIMER 0x1A +#define MMIO_DMA_CTRL 0x20 +#define MMIO_DNLISTPTR 0x24 +#define MMIO_HASHFILTER 0x28 +#define MMIO_CONFIG 0x29 +#define MMIO_DNPRIREQTHRESH 0x2C +#define MMIO_DNPOLL 0x2D +#define MMIO_UPPKTSTATUS 0x30 +#define MMIO_FREETIMER 0x34 +#define MMIO_COUNTDOWN 0x36 +#define MMIO_UPLISTPTR 0x38 +#define MMIO_UPPOLL 0x3C +#define MMIO_UPBURSTTHRESH 0x40 +#define MMIO_DNBURSTTHRESH 0x41 +#define MMIO_INTSTATUS_AUTO 0x56 +#define MMIO_TXSTARTTHRESH 0x58 +#define MMIO_INTERRUPTENABLE 0x5A +#define MMIO_INDICATIONENABLE 0x5C +#define MMIO_COMMAND 0x5E /* These two are meant to be the same */ +#define MMIO_INTSTATUS 0x5E /* Makes the code more readable this way */ +#define INTSTAT_CMD_IN_PROGRESS (1<<12) +#define INTSTAT_SRB (1<<14) +#define INTSTAT_INTLATCH (1<<0) + +/* Indication / Interrupt Mask + * Annoyingly the bits to be set in the indication and interrupt enable + * do not match with the actual bits received in the interrupt, although + * they are in the same order. + * The mapping for the indication / interrupt are: + * Bit Indication / Interrupt + * 0 HostError + * 1 txcomplete + * 2 updneeded + * 3 rxcomplete + * 4 intrequested + * 5 macerror + * 6 dncomplete + * 7 upcomplete + * 8 txunderrun + * 9 asbf + * 10 srbr + * 11 arbc + * + * The only ones we don't want to receive are txcomplete and rxcomplete + * we use dncomplete and upcomplete instead. + */ + +#define INT_MASK 0xFF5 + +/* Note the subtle difference here, IND and INT */ + +#define SETINDENABLE (8<<12) +#define SETINTENABLE (7<<12) +#define SRBBIT (1<<10) +#define ASBBIT (1<<9) +#define ARBBIT (1<<11) + +#define SRB 0xDFE90 +#define ASB 0xDFED0 +#define ARB 0xD0000 +#define SCRATCH 0xDFEF0 + +#define INT_REQUEST 0x6000 /* (6 << 12) */ +#define ACK_INTERRUPT 0x6800 /* (13 <<11) */ +#define GLOBAL_RESET 0x00 +#define DNDISABLE 0x5000 +#define DNENABLE 0x4800 +#define DNSTALL 0x3002 +#define DNRESET 0x5800 +#define DNUNSTALL 0x3003 +#define UPRESET 0x2800 +#define UPSTALL 0x3000 +#define UPUNSTALL 0x3001 +#define SETCONFIG 0x4000 +#define SETTXSTARTTHRESH 0x9800 + +/* Received Interrupts */ +#define ASBFINT (1<<13) +#define SRBRINT (1<<14) +#define ARBCINT (1<<15) +#define TXUNDERRUN (1<<11) + +#define UPCOMPINT (1<<10) +#define DNCOMPINT (1<<9) +#define HARDERRINT (1<<7) +#define RXCOMPLETE (1<<4) +#define TXCOMPINT (1<<2) +#define HOSTERRINT (1<<1) + +/* Receive descriptor bits */ +#define RXOVERRUN (1<<19) +#define RXFC (1<<21) +#define RXAR (1<<22) +#define RXUPDCOMPLETE (1<<23) +#define RXUPDFULL (1<<24) +#define RXUPLASTFRAG (1<<31) + +/* Transmit descriptor bits */ +#define TXDNCOMPLETE (1<<16) +#define TXTXINDICATE (1<<27) +#define TXDPDEMPTY (1<<29) +#define TXDNINDICATE (1<<31) +#define TXDNFRAGLAST (1<<31) + +/* Interrupts to Acknowledge */ +#define LATCH_ACK 1 +#define TXCOMPACK (1<<1) +#define INTREQACK (1<<2) +#define DNCOMPACK (1<<3) +#define UPCOMPACK (1<<4) +#define ASBFACK (1<<5) +#define SRBRACK (1<<6) +#define ARBCACK (1<<7) + +#define XL_IO_SPACE 128 +#define SRB_COMMAND_SIZE 50 + +/* Adapter Commands */ +#define REQUEST_INT 0x00 +#define MODIFY_OPEN_PARMS 0x01 +#define RESTORE_OPEN_PARMS 0x02 +#define OPEN_NIC 0x03 +#define CLOSE_NIC 0x04 +#define SET_SLEEP_MODE 0x05 +#define SET_GROUP_ADDRESS 0x06 +#define SET_FUNC_ADDRESS 0x07 +#define READ_LOG 0x08 +#define SET_MULTICAST_MODE 0x0C +#define CHANGE_WAKEUP_PATTERN 0x0D +#define GET_STATISTICS 0x13 +#define SET_RECEIVE_MODE 0x1F + +/* ARB Commands */ +#define RECEIVE_DATA 0x81 +#define RING_STATUS_CHANGE 0x84 + +/* ASB Commands */ +#define ASB_RECEIVE_DATE 0x81 + +/* Defines for LAN STATUS CHANGE reports */ +#define LSC_SIG_LOSS 0x8000 +#define LSC_HARD_ERR 0x4000 +#define LSC_SOFT_ERR 0x2000 +#define LSC_TRAN_BCN 0x1000 +#define LSC_LWF 0x0800 +#define LSC_ARW 0x0400 +#define LSC_FPE 0x0200 +#define LSC_RR 0x0100 +#define LSC_CO 0x0080 +#define LSC_SS 0x0040 +#define LSC_RING_REC 0x0020 +#define LSC_SR_CO 0x0010 +#define LSC_FDX_MODE 0x0004 + +#define XL_MAX_ADAPTERS 8 /* 0x08 __MODULE_STRING can't hand 0xnn */ + +/* 3c359 defaults for buffers */ + +#define XL_RX_RING_SIZE 16 /* must be a power of 2 */ +#define XL_TX_RING_SIZE 16 /* must be a power of 2 */ + +#define PKT_BUF_SZ 4096 /* Default packet size */ + +/* 3c359 data structures */ + +struct xl_tx_desc { + u32 dnnextptr ; + u32 framestartheader ; + u32 buffer ; + u32 buffer_length ; +}; + +struct xl_rx_desc { + u32 upnextptr ; + u32 framestatus ; + u32 upfragaddr ; + u32 upfraglen ; +}; + +struct xl_private { + + + /* These two structures must be aligned on 8 byte boundaries */ + + /* struct xl_rx_desc xl_rx_ring[XL_RX_RING_SIZE]; */ + /* struct xl_tx_desc xl_tx_ring[XL_TX_RING_SIZE]; */ + struct xl_rx_desc *xl_rx_ring ; + struct xl_tx_desc *xl_tx_ring ; + struct sk_buff *tx_ring_skb[XL_TX_RING_SIZE], *rx_ring_skb[XL_RX_RING_SIZE]; + int tx_ring_head, tx_ring_tail ; + int rx_ring_tail, rx_ring_no ; + int free_ring_entries ; + + u16 srb; + u16 arb; + u16 asb; + + u8 __iomem *xl_mmio; + char *xl_card_name; + struct pci_dev *pdev ; + + spinlock_t xl_lock ; + + volatile int srb_queued; + struct wait_queue *srb_wait; + volatile int asb_queued; + + struct net_device_stats xl_stats ; + + u16 mac_buffer ; + u16 xl_lan_status ; + u8 xl_ring_speed ; + u16 pkt_buf_sz ; + u8 xl_message_level; + u16 xl_copy_all_options ; + unsigned char xl_functional_addr[4] ; + u16 xl_addr_table_addr, xl_parms_addr ; + u8 xl_laa[6] ; + u32 rx_ring_dma_addr ; + u32 tx_ring_dma_addr ; +}; + |