diff options
Diffstat (limited to 'drivers/net/sonic.h')
| -rw-r--r-- | drivers/net/sonic.h | 483 |
1 files changed, 0 insertions, 483 deletions
diff --git a/drivers/net/sonic.h b/drivers/net/sonic.h deleted file mode 100644 index c4a6d58e4af..00000000000 --- a/drivers/net/sonic.h +++ /dev/null @@ -1,483 +0,0 @@ -/* - * Helpfile for sonic.c - * - * (C) Waldorf Electronics, Germany - * Written by Andreas Busse - * - * NOTE: most of the structure definitions here are endian dependent. - * If you want to use this driver on big endian machines, the data - * and pad structure members must be exchanged. Also, the structures - * need to be changed accordingly to the bus size. - * - * 981229 MSch: did just that for the 68k Mac port (32 bit, big endian), - * see CONFIG_MACSONIC branch below. - * - */ -#ifndef SONIC_H -#define SONIC_H - -#include <linux/config.h> - -/* - * SONIC register offsets - */ - -#define SONIC_CMD 0x00 -#define SONIC_DCR 0x01 -#define SONIC_RCR 0x02 -#define SONIC_TCR 0x03 -#define SONIC_IMR 0x04 -#define SONIC_ISR 0x05 - -#define SONIC_UTDA 0x06 -#define SONIC_CTDA 0x07 - -#define SONIC_URDA 0x0d -#define SONIC_CRDA 0x0e -#define SONIC_EOBC 0x13 -#define SONIC_URRA 0x14 -#define SONIC_RSA 0x15 -#define SONIC_REA 0x16 -#define SONIC_RRP 0x17 -#define SONIC_RWP 0x18 -#define SONIC_RSC 0x2b - -#define SONIC_CEP 0x21 -#define SONIC_CAP2 0x22 -#define SONIC_CAP1 0x23 -#define SONIC_CAP0 0x24 -#define SONIC_CE 0x25 -#define SONIC_CDP 0x26 -#define SONIC_CDC 0x27 - -#define SONIC_WT0 0x29 -#define SONIC_WT1 0x2a - -#define SONIC_SR 0x28 - - -/* test-only registers */ - -#define SONIC_TPS 0x08 -#define SONIC_TFC 0x09 -#define SONIC_TSA0 0x0a -#define SONIC_TSA1 0x0b -#define SONIC_TFS 0x0c - -#define SONIC_CRBA0 0x0f -#define SONIC_CRBA1 0x10 -#define SONIC_RBWC0 0x11 -#define SONIC_RBWC1 0x12 -#define SONIC_TTDA 0x20 -#define SONIC_MDT 0x2f - -#define SONIC_TRBA0 0x19 -#define SONIC_TRBA1 0x1a -#define SONIC_TBWC0 0x1b -#define SONIC_TBWC1 0x1c -#define SONIC_LLFA 0x1f - -#define SONIC_ADDR0 0x1d -#define SONIC_ADDR1 0x1e - -/* - * Error counters - */ -#define SONIC_CRCT 0x2c -#define SONIC_FAET 0x2d -#define SONIC_MPT 0x2e - -#define SONIC_DCR2 0x3f - -/* - * SONIC command bits - */ - -#define SONIC_CR_LCAM 0x0200 -#define SONIC_CR_RRRA 0x0100 -#define SONIC_CR_RST 0x0080 -#define SONIC_CR_ST 0x0020 -#define SONIC_CR_STP 0x0010 -#define SONIC_CR_RXEN 0x0008 -#define SONIC_CR_RXDIS 0x0004 -#define SONIC_CR_TXP 0x0002 -#define SONIC_CR_HTX 0x0001 - -/* - * SONIC data configuration bits - */ - -#define SONIC_DCR_EXBUS 0x8000 -#define SONIC_DCR_LBR 0x2000 -#define SONIC_DCR_PO1 0x1000 -#define SONIC_DCR_PO0 0x0800 -#define SONIC_DCR_SBUS 0x0400 -#define SONIC_DCR_USR1 0x0200 -#define SONIC_DCR_USR0 0x0100 -#define SONIC_DCR_WC1 0x0080 -#define SONIC_DCR_WC0 0x0040 -#define SONIC_DCR_DW 0x0020 -#define SONIC_DCR_BMS 0x0010 -#define SONIC_DCR_RFT1 0x0008 -#define SONIC_DCR_RFT0 0x0004 -#define SONIC_DCR_TFT1 0x0002 -#define SONIC_DCR_TFT0 0x0001 - -/* - * Constants for the SONIC receive control register. - */ - -#define SONIC_RCR_ERR 0x8000 -#define SONIC_RCR_RNT 0x4000 -#define SONIC_RCR_BRD 0x2000 -#define SONIC_RCR_PRO 0x1000 -#define SONIC_RCR_AMC 0x0800 -#define SONIC_RCR_LB1 0x0400 -#define SONIC_RCR_LB0 0x0200 - -#define SONIC_RCR_MC 0x0100 -#define SONIC_RCR_BC 0x0080 -#define SONIC_RCR_LPKT 0x0040 -#define SONIC_RCR_CRS 0x0020 -#define SONIC_RCR_COL 0x0010 -#define SONIC_RCR_CRCR 0x0008 -#define SONIC_RCR_FAER 0x0004 -#define SONIC_RCR_LBK 0x0002 -#define SONIC_RCR_PRX 0x0001 - -#define SONIC_RCR_LB_OFF 0 -#define SONIC_RCR_LB_MAC SONIC_RCR_LB0 -#define SONIC_RCR_LB_ENDEC SONIC_RCR_LB1 -#define SONIC_RCR_LB_TRANS (SONIC_RCR_LB0 | SONIC_RCR_LB1) - -/* default RCR setup */ - -#define SONIC_RCR_DEFAULT (SONIC_RCR_BRD) - - -/* - * SONIC Transmit Control register bits - */ - -#define SONIC_TCR_PINTR 0x8000 -#define SONIC_TCR_POWC 0x4000 -#define SONIC_TCR_CRCI 0x2000 -#define SONIC_TCR_EXDIS 0x1000 -#define SONIC_TCR_EXD 0x0400 -#define SONIC_TCR_DEF 0x0200 -#define SONIC_TCR_NCRS 0x0100 -#define SONIC_TCR_CRLS 0x0080 -#define SONIC_TCR_EXC 0x0040 -#define SONIC_TCR_PMB 0x0008 -#define SONIC_TCR_FU 0x0004 -#define SONIC_TCR_BCM 0x0002 -#define SONIC_TCR_PTX 0x0001 - -#define SONIC_TCR_DEFAULT 0x0000 - -/* - * Constants for the SONIC_INTERRUPT_MASK and - * SONIC_INTERRUPT_STATUS registers. - */ - -#define SONIC_INT_BR 0x4000 -#define SONIC_INT_HBL 0x2000 -#define SONIC_INT_LCD 0x1000 -#define SONIC_INT_PINT 0x0800 -#define SONIC_INT_PKTRX 0x0400 -#define SONIC_INT_TXDN 0x0200 -#define SONIC_INT_TXER 0x0100 -#define SONIC_INT_TC 0x0080 -#define SONIC_INT_RDE 0x0040 -#define SONIC_INT_RBE 0x0020 -#define SONIC_INT_RBAE 0x0010 -#define SONIC_INT_CRC 0x0008 -#define SONIC_INT_FAE 0x0004 -#define SONIC_INT_MP 0x0002 -#define SONIC_INT_RFO 0x0001 - - -/* - * The interrupts we allow. - */ - -#define SONIC_IMR_DEFAULT (SONIC_INT_BR | \ - SONIC_INT_LCD | \ - SONIC_INT_PINT | \ - SONIC_INT_PKTRX | \ - SONIC_INT_TXDN | \ - SONIC_INT_TXER | \ - SONIC_INT_RDE | \ - SONIC_INT_RBE | \ - SONIC_INT_RBAE | \ - SONIC_INT_CRC | \ - SONIC_INT_FAE | \ - SONIC_INT_MP) - - -#define SONIC_END_OF_LINKS 0x0001 - - -#ifdef CONFIG_MACSONIC -/* - * Big endian like structures on 680x0 Macs - */ - -typedef struct { - u32 rx_bufadr_l; /* receive buffer ptr */ - u32 rx_bufadr_h; - - u32 rx_bufsize_l; /* no. of words in the receive buffer */ - u32 rx_bufsize_h; -} sonic_rr_t; - -/* - * Sonic receive descriptor. Receive descriptors are - * kept in a linked list of these structures. - */ - -typedef struct { - SREGS_PAD(pad0); - u16 rx_status; /* status after reception of a packet */ - SREGS_PAD(pad1); - u16 rx_pktlen; /* length of the packet incl. CRC */ - - /* - * Pointers to the location in the receive buffer area (RBA) - * where the packet resides. A packet is always received into - * a contiguous piece of memory. - */ - SREGS_PAD(pad2); - u16 rx_pktptr_l; - SREGS_PAD(pad3); - u16 rx_pktptr_h; - - SREGS_PAD(pad4); - u16 rx_seqno; /* sequence no. */ - - SREGS_PAD(pad5); - u16 link; /* link to next RDD (end if EOL bit set) */ - - /* - * Owner of this descriptor, 0= driver, 1=sonic - */ - - SREGS_PAD(pad6); - u16 in_use; - - caddr_t rda_next; /* pointer to next RD */ -} sonic_rd_t; - - -/* - * Describes a Transmit Descriptor - */ -typedef struct { - SREGS_PAD(pad0); - u16 tx_status; /* status after transmission of a packet */ - SREGS_PAD(pad1); - u16 tx_config; /* transmit configuration for this packet */ - SREGS_PAD(pad2); - u16 tx_pktsize; /* size of the packet to be transmitted */ - SREGS_PAD(pad3); - u16 tx_frag_count; /* no. of fragments */ - - SREGS_PAD(pad4); - u16 tx_frag_ptr_l; - SREGS_PAD(pad5); - u16 tx_frag_ptr_h; - SREGS_PAD(pad6); - u16 tx_frag_size; - - SREGS_PAD(pad7); - u16 link; /* ptr to next descriptor */ -} sonic_td_t; - - -/* - * Describes an entry in the CAM Descriptor Area. - */ - -typedef struct { - SREGS_PAD(pad0); - u16 cam_entry_pointer; - SREGS_PAD(pad1); - u16 cam_cap0; - SREGS_PAD(pad2); - u16 cam_cap1; - SREGS_PAD(pad3); - u16 cam_cap2; -} sonic_cd_t; - -#define CAM_DESCRIPTORS 16 - - -typedef struct { - sonic_cd_t cam_desc[CAM_DESCRIPTORS]; - SREGS_PAD(pad); - u16 cam_enable; -} sonic_cda_t; - -#else /* original declarations, little endian 32 bit */ - -/* - * structure definitions - */ - -typedef struct { - u32 rx_bufadr_l; /* receive buffer ptr */ - u32 rx_bufadr_h; - - u32 rx_bufsize_l; /* no. of words in the receive buffer */ - u32 rx_bufsize_h; -} sonic_rr_t; - -/* - * Sonic receive descriptor. Receive descriptors are - * kept in a linked list of these structures. - */ - -typedef struct { - u16 rx_status; /* status after reception of a packet */ - SREGS_PAD(pad0); - u16 rx_pktlen; /* length of the packet incl. CRC */ - SREGS_PAD(pad1); - - /* - * Pointers to the location in the receive buffer area (RBA) - * where the packet resides. A packet is always received into - * a contiguous piece of memory. - */ - u16 rx_pktptr_l; - SREGS_PAD(pad2); - u16 rx_pktptr_h; - SREGS_PAD(pad3); - - u16 rx_seqno; /* sequence no. */ - SREGS_PAD(pad4); - - u16 link; /* link to next RDD (end if EOL bit set) */ - SREGS_PAD(pad5); - - /* - * Owner of this descriptor, 0= driver, 1=sonic - */ - - u16 in_use; - SREGS_PAD(pad6); - - caddr_t rda_next; /* pointer to next RD */ -} sonic_rd_t; - - -/* - * Describes a Transmit Descriptor - */ -typedef struct { - u16 tx_status; /* status after transmission of a packet */ - SREGS_PAD(pad0); - u16 tx_config; /* transmit configuration for this packet */ - SREGS_PAD(pad1); - u16 tx_pktsize; /* size of the packet to be transmitted */ - SREGS_PAD(pad2); - u16 tx_frag_count; /* no. of fragments */ - SREGS_PAD(pad3); - - u16 tx_frag_ptr_l; - SREGS_PAD(pad4); - u16 tx_frag_ptr_h; - SREGS_PAD(pad5); - u16 tx_frag_size; - SREGS_PAD(pad6); - - u16 link; /* ptr to next descriptor */ - SREGS_PAD(pad7); -} sonic_td_t; - - -/* - * Describes an entry in the CAM Descriptor Area. - */ - -typedef struct { - u16 cam_entry_pointer; - SREGS_PAD(pad0); - u16 cam_cap0; - SREGS_PAD(pad1); - u16 cam_cap1; - SREGS_PAD(pad2); - u16 cam_cap2; - SREGS_PAD(pad3); -} sonic_cd_t; - -#define CAM_DESCRIPTORS 16 - - -typedef struct { - sonic_cd_t cam_desc[CAM_DESCRIPTORS]; - u16 cam_enable; - SREGS_PAD(pad); -} sonic_cda_t; -#endif /* endianness */ - -/* - * Some tunables for the buffer areas. Power of 2 is required - * the current driver uses one receive buffer for each descriptor. - * - * MSch: use more buffer space for the slow m68k Macs! - */ -#ifdef CONFIG_MACSONIC -#define SONIC_NUM_RRS 32 /* number of receive resources */ -#define SONIC_NUM_RDS SONIC_NUM_RRS /* number of receive descriptors */ -#define SONIC_NUM_TDS 32 /* number of transmit descriptors */ -#else -#define SONIC_NUM_RRS 16 /* number of receive resources */ -#define SONIC_NUM_RDS SONIC_NUM_RRS /* number of receive descriptors */ -#define SONIC_NUM_TDS 16 /* number of transmit descriptors */ -#endif -#define SONIC_RBSIZE 1520 /* size of one resource buffer */ - -#define SONIC_RDS_MASK (SONIC_NUM_RDS-1) -#define SONIC_TDS_MASK (SONIC_NUM_TDS-1) - - -/* Information that need to be kept for each board. */ -struct sonic_local { - sonic_cda_t cda; /* virtual CPU address of CDA */ - sonic_td_t tda[SONIC_NUM_TDS]; /* transmit descriptor area */ - sonic_rr_t rra[SONIC_NUM_RRS]; /* receive resource area */ - sonic_rd_t rda[SONIC_NUM_RDS]; /* receive descriptor area */ - struct sk_buff *tx_skb[SONIC_NUM_TDS]; /* skbuffs for packets to transmit */ - unsigned int tx_laddr[SONIC_NUM_TDS]; /* logical DMA address fro skbuffs */ - unsigned char *rba; /* start of receive buffer areas */ - unsigned int cda_laddr; /* logical DMA address of CDA */ - unsigned int tda_laddr; /* logical DMA address of TDA */ - unsigned int rra_laddr; /* logical DMA address of RRA */ - unsigned int rda_laddr; /* logical DMA address of RDA */ - unsigned int rba_laddr; /* logical DMA address of RBA */ - unsigned int cur_rra; /* current indexes to resource areas */ - unsigned int cur_rx; - unsigned int cur_tx; - unsigned int dirty_tx; /* last unacked transmit packet */ - char tx_full; - struct net_device_stats stats; -}; - -#define TX_TIMEOUT 6 - -/* Index to functions, as function prototypes. */ - -static int sonic_open(struct net_device *dev); -static int sonic_send_packet(struct sk_buff *skb, struct net_device *dev); -static irqreturn_t sonic_interrupt(int irq, void *dev_id, struct pt_regs *regs); -static void sonic_rx(struct net_device *dev); -static int sonic_close(struct net_device *dev); -static struct net_device_stats *sonic_get_stats(struct net_device *dev); -static void sonic_multicast_list(struct net_device *dev); -static int sonic_init(struct net_device *dev); -static void sonic_tx_timeout(struct net_device *dev); - -static const char *version = - "sonic.c:v0.92 20.9.98 tsbogend@alpha.franken.de\n"; - -#endif /* SONIC_H */ |