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-rw-r--r--drivers/net/ethernet/natsemi/ibmlana.h278
1 files changed, 278 insertions, 0 deletions
diff --git a/drivers/net/ethernet/natsemi/ibmlana.h b/drivers/net/ethernet/natsemi/ibmlana.h
new file mode 100644
index 00000000000..accd5efc9c8
--- /dev/null
+++ b/drivers/net/ethernet/natsemi/ibmlana.h
@@ -0,0 +1,278 @@
+#ifndef _IBM_LANA_INCLUDE_
+#define _IBM_LANA_INCLUDE_
+
+#ifdef _IBM_LANA_DRIVER_
+
+/* maximum packet size */
+
+#define PKTSIZE 1524
+
+/* number of transmit buffers */
+
+#define TXBUFCNT 4
+
+/* Adapter ID's */
+#define IBM_LANA_ID 0xffe0
+
+/* media enumeration - defined in a way that it fits onto the LAN/A's
+ POS registers... */
+
+typedef enum {
+ Media_10BaseT, Media_10Base5,
+ Media_Unknown, Media_10Base2, Media_Count
+} ibmlana_medium;
+
+/* private structure */
+
+typedef struct {
+ unsigned int slot; /* MCA-Slot-# */
+ int realirq; /* memorizes actual IRQ, even when
+ currently not allocated */
+ ibmlana_medium medium; /* physical cannector */
+ u32 tdastart, txbufstart, /* addresses */
+ rrastart, rxbufstart, rdastart, rxbufcnt, txusedcnt;
+ int nextrxdescr, /* next rx descriptor to be used */
+ lastrxdescr, /* last free rx descriptor */
+ nexttxdescr, /* last tx descriptor to be used */
+ currtxdescr, /* tx descriptor currently tx'ed */
+ txused[TXBUFCNT]; /* busy flags */
+ void __iomem *base;
+ spinlock_t lock;
+} ibmlana_priv;
+
+/* this card uses quite a lot of I/O ports...luckily the MCA bus decodes
+ a full 64K I/O range... */
+
+#define IBM_LANA_IORANGE 0xa0
+
+/* Command Register: */
+
+#define SONIC_CMDREG 0x00
+#define CMDREG_HTX 0x0001 /* halt transmission */
+#define CMDREG_TXP 0x0002 /* start transmission */
+#define CMDREG_RXDIS 0x0004 /* disable receiver */
+#define CMDREG_RXEN 0x0008 /* enable receiver */
+#define CMDREG_STP 0x0010 /* stop timer */
+#define CMDREG_ST 0x0020 /* start timer */
+#define CMDREG_RST 0x0080 /* software reset */
+#define CMDREG_RRRA 0x0100 /* force SONIC to read first RRA */
+#define CMDREG_LCAM 0x0200 /* force SONIC to read CAM descrs */
+
+/* Data Configuration Register */
+
+#define SONIC_DCREG 0x02
+#define DCREG_EXBUS 0x8000 /* Extended Bus Mode */
+#define DCREG_LBR 0x2000 /* Latched Bus Retry */
+#define DCREG_PO1 0x1000 /* Programmable Outputs */
+#define DCREG_PO0 0x0800
+#define DCREG_SBUS 0x0400 /* Synchronous Bus Mode */
+#define DCREG_USR1 0x0200 /* User Definable Pins */
+#define DCREG_USR0 0x0100
+#define DCREG_WC0 0x0000 /* 0..3 Wait States */
+#define DCREG_WC1 0x0040
+#define DCREG_WC2 0x0080
+#define DCREG_WC3 0x00c0
+#define DCREG_DW16 0x0000 /* 16 bit Bus Mode */
+#define DCREG_DW32 0x0020 /* 32 bit Bus Mode */
+#define DCREG_BMS 0x0010 /* Block Mode Select */
+#define DCREG_RFT4 0x0000 /* 4/8/16/24 bytes RX Threshold */
+#define DCREG_RFT8 0x0004
+#define DCREG_RFT16 0x0008
+#define DCREG_RFT24 0x000c
+#define DCREG_TFT8 0x0000 /* 8/16/24/28 bytes TX Threshold */
+#define DCREG_TFT16 0x0001
+#define DCREG_TFT24 0x0002
+#define DCREG_TFT28 0x0003
+
+/* Receive Control Register */
+
+#define SONIC_RCREG 0x04
+#define RCREG_ERR 0x8000 /* accept damaged and collided pkts */
+#define RCREG_RNT 0x4000 /* accept packets that are < 64 */
+#define RCREG_BRD 0x2000 /* accept broadcasts */
+#define RCREG_PRO 0x1000 /* promiscuous mode */
+#define RCREG_AMC 0x0800 /* accept all multicasts */
+#define RCREG_LB_NONE 0x0000 /* no loopback */
+#define RCREG_LB_MAC 0x0200 /* MAC loopback */
+#define RCREG_LB_ENDEC 0x0400 /* ENDEC loopback */
+#define RCREG_LB_XVR 0x0600 /* Transceiver loopback */
+#define RCREG_MC 0x0100 /* Multicast received */
+#define RCREG_BC 0x0080 /* Broadcast received */
+#define RCREG_LPKT 0x0040 /* last packet in RBA */
+#define RCREG_CRS 0x0020 /* carrier sense present */
+#define RCREG_COL 0x0010 /* recv'd packet with collision */
+#define RCREG_CRCR 0x0008 /* recv'd packet with CRC error */
+#define RCREG_FAER 0x0004 /* recv'd packet with inv. framing */
+#define RCREG_LBK 0x0002 /* recv'd loopback packet */
+#define RCREG_PRX 0x0001 /* recv'd packet is OK */
+
+/* Transmit Control Register */
+
+#define SONIC_TCREG 0x06
+#define TCREG_PINT 0x8000 /* generate interrupt after TDA read */
+#define TCREG_POWC 0x4000 /* timer start out of window detect */
+#define TCREG_CRCI 0x2000 /* inhibit CRC generation */
+#define TCREG_EXDIS 0x1000 /* disable excessive deferral timer */
+#define TCREG_EXD 0x0400 /* excessive deferral occurred */
+#define TCREG_DEF 0x0200 /* single deferral occurred */
+#define TCREG_NCRS 0x0100 /* no carrier detected */
+#define TCREG_CRSL 0x0080 /* carrier lost */
+#define TCREG_EXC 0x0040 /* excessive collisions occurred */
+#define TCREG_OWC 0x0020 /* out of window collision occurred */
+#define TCREG_PMB 0x0008 /* packet monitored bad */
+#define TCREG_FU 0x0004 /* FIFO underrun */
+#define TCREG_BCM 0x0002 /* byte count mismatch of fragments */
+#define TCREG_PTX 0x0001 /* packet transmitted OK */
+
+/* Interrupt Mask Register */
+
+#define SONIC_IMREG 0x08
+#define IMREG_BREN 0x4000 /* interrupt when bus retry occurred */
+#define IMREG_HBLEN 0x2000 /* interrupt when heartbeat lost */
+#define IMREG_LCDEN 0x1000 /* interrupt when CAM loaded */
+#define IMREG_PINTEN 0x0800 /* interrupt when PINT in TDA set */
+#define IMREG_PRXEN 0x0400 /* interrupt when packet received */
+#define IMREG_PTXEN 0x0200 /* interrupt when packet was sent */
+#define IMREG_TXEREN 0x0100 /* interrupt when send failed */
+#define IMREG_TCEN 0x0080 /* interrupt when timer completed */
+#define IMREG_RDEEN 0x0040 /* interrupt when RDA exhausted */
+#define IMREG_RBEEN 0x0020 /* interrupt when RBA exhausted */
+#define IMREG_RBAEEN 0x0010 /* interrupt when RBA too short */
+#define IMREG_CRCEN 0x0008 /* interrupt when CRC counter rolls */
+#define IMREG_FAEEN 0x0004 /* interrupt when FAE counter rolls */
+#define IMREG_MPEN 0x0002 /* interrupt when MP counter rolls */
+#define IMREG_RFOEN 0x0001 /* interrupt when Rx FIFO overflows */
+
+/* Interrupt Status Register */
+
+#define SONIC_ISREG 0x0a
+#define ISREG_BR 0x4000 /* bus retry occurred */
+#define ISREG_HBL 0x2000 /* heartbeat lost */
+#define ISREG_LCD 0x1000 /* CAM loaded */
+#define ISREG_PINT 0x0800 /* PINT in TDA set */
+#define ISREG_PKTRX 0x0400 /* packet received */
+#define ISREG_TXDN 0x0200 /* packet was sent */
+#define ISREG_TXER 0x0100 /* send failed */
+#define ISREG_TC 0x0080 /* timer completed */
+#define ISREG_RDE 0x0040 /* RDA exhausted */
+#define ISREG_RBE 0x0020 /* RBA exhausted */
+#define ISREG_RBAE 0x0010 /* RBA too short for received frame */
+#define ISREG_CRC 0x0008 /* CRC counter rolls over */
+#define ISREG_FAE 0x0004 /* FAE counter rolls over */
+#define ISREG_MP 0x0002 /* MP counter rolls over */
+#define ISREG_RFO 0x0001 /* Rx FIFO overflows */
+
+#define SONIC_UTDA 0x0c /* current transmit descr address */
+#define SONIC_CTDA 0x0e
+
+#define SONIC_URDA 0x1a /* current receive descr address */
+#define SONIC_CRDA 0x1c
+
+#define SONIC_CRBA0 0x1e /* current receive buffer address */
+#define SONIC_CRBA1 0x20
+
+#define SONIC_RBWC0 0x22 /* word count in receive buffer */
+#define SONIC_RBWC1 0x24
+
+#define SONIC_EOBC 0x26 /* minimum space to be free in RBA */
+
+#define SONIC_URRA 0x28 /* upper address of CDA & Recv Area */
+
+#define SONIC_RSA 0x2a /* start of receive resource area */
+
+#define SONIC_REA 0x2c /* end of receive resource area */
+
+#define SONIC_RRP 0x2e /* resource read pointer */
+
+#define SONIC_RWP 0x30 /* resource write pointer */
+
+#define SONIC_CAMEPTR 0x42 /* CAM entry pointer */
+
+#define SONIC_CAMADDR2 0x44 /* CAM address ports */
+#define SONIC_CAMADDR1 0x46
+#define SONIC_CAMADDR0 0x48
+
+#define SONIC_CAMPTR 0x4c /* lower address of CDA */
+
+#define SONIC_CAMCNT 0x4e /* # of CAM descriptors to load */
+
+/* Data Configuration Register 2 */
+
+#define SONIC_DCREG2 0x7e
+#define DCREG2_EXPO3 0x8000 /* extended programmable outputs */
+#define DCREG2_EXPO2 0x4000
+#define DCREG2_EXPO1 0x2000
+#define DCREG2_EXPO0 0x1000
+#define DCREG2_HD 0x0800 /* heartbeat disable */
+#define DCREG2_JD 0x0200 /* jabber timer disable */
+#define DCREG2_AUTO 0x0100 /* enable AUI/TP auto selection */
+#define DCREG2_XWRAP 0x0040 /* TP transceiver loopback */
+#define DCREG2_PH 0x0010 /* HOLD request timing */
+#define DCREG2_PCM 0x0004 /* packet compress when matched */
+#define DCREG2_PCNM 0x0002 /* packet compress when not matched */
+#define DCREG2_RJCM 0x0001 /* inverse packet match via CAM */
+
+/* Board Control Register: Enable RAM, Interrupts... */
+
+#define BCMREG 0x80
+#define BCMREG_RAMEN 0x80 /* switch over to RAM */
+#define BCMREG_IPEND 0x40 /* interrupt pending ? */
+#define BCMREG_RESET 0x08 /* reset board */
+#define BCMREG_16BIT 0x04 /* adapter in 16-bit slot */
+#define BCMREG_RAMWIN 0x02 /* enable RAM window */
+#define BCMREG_IEN 0x01 /* interrupt enable */
+
+/* MAC Address PROM */
+
+#define MACADDRPROM 0x92
+
+/* structure of a CAM entry */
+
+typedef struct {
+ u32 index; /* pointer into CAM area */
+ u32 addr0; /* address part (bits 0..15 used) */
+ u32 addr1;
+ u32 addr2;
+} camentry_t;
+
+/* structure of a receive resource */
+
+typedef struct {
+ u32 startlo; /* start address (bits 0..15 used) */
+ u32 starthi;
+ u32 cntlo; /* size in 16-bit quantities */
+ u32 cnthi;
+} rra_t;
+
+/* structure of a receive descriptor */
+
+typedef struct {
+ u32 status; /* packet status */
+ u32 length; /* length in bytes */
+ u32 startlo; /* start address */
+ u32 starthi;
+ u32 seqno; /* frame sequence */
+ u32 link; /* pointer to next descriptor */
+ /* bit 0 = EOL */
+ u32 inuse; /* !=0 --> free for SONIC to write */
+} rda_t;
+
+/* structure of a transmit descriptor */
+
+typedef struct {
+ u32 status; /* transmit status */
+ u32 config; /* value for TCR */
+ u32 length; /* total length */
+ u32 fragcount; /* number of fragments */
+ u32 startlo; /* start address of fragment */
+ u32 starthi;
+ u32 fraglength; /* length of this fragment */
+ /* more address/length triplets may */
+ /* follow here */
+ u32 link; /* pointer to next descriptor */
+ /* bit 0 = EOL */
+} tda_t;
+
+#endif /* _IBM_LANA_DRIVER_ */
+
+#endif /* _IBM_LANA_INCLUDE_ */