Linux-2.6.12-rc2v2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!

1 files changed, 253 insertions, 0 deletions

diff --git a/include/linux/scc.h b/include/linux/scc.h
new file mode 100644
index 000000000000..885a4a02b23c
--- /dev/null
+++ b/include/linux/scc.h
@@ -0,0 +1,253 @@
+/* $Id: scc.h,v 1.29 1997/04/02 14:56:45 jreuter Exp jreuter $ */
+
+#ifndef _SCC_H
+#define _SCC_H
+
+#include <linux/config.h>
+
+/* selection of hardware types */
+
+#define PA0HZP          0x00    /* hardware type for PA0HZP SCC card and compatible */
+#define EAGLE           0x01    /* hardware type for EAGLE card */
+#define PC100           0x02    /* hardware type for PC100 card */
+#define PRIMUS          0x04    /* hardware type for PRIMUS-PC (DG9BL) card */
+#define DRSI            0x08    /* hardware type for DRSI PC*Packet card */
+#define BAYCOM          0x10    /* hardware type for BayCom (U)SCC */
+
+/* DEV ioctl() commands */
+
+enum SCC_ioctl_cmds {
+        SIOCSCCRESERVED = SIOCDEVPRIVATE,
+        SIOCSCCCFG,
+        SIOCSCCINI,
+        SIOCSCCCHANINI,
+        SIOCSCCSMEM,
+        SIOCSCCGKISS,
+        SIOCSCCSKISS,
+        SIOCSCCGSTAT,
+        SIOCSCCCAL
+};
+
+/* Device parameter control (from WAMPES) */
+
+enum L1_params {
+        PARAM_DATA,
+        PARAM_TXDELAY,
+        PARAM_PERSIST,
+        PARAM_SLOTTIME,
+        PARAM_TXTAIL,
+        PARAM_FULLDUP,
+        PARAM_SOFTDCD,          /* was: PARAM_HW */
+        PARAM_MUTE,             /* ??? */
+        PARAM_DTR,
+        PARAM_RTS,
+        PARAM_SPEED,
+        PARAM_ENDDELAY,         /* ??? */
+        PARAM_GROUP,
+        PARAM_IDLE,
+        PARAM_MIN,
+        PARAM_MAXKEY,
+        PARAM_WAIT,
+        PARAM_MAXDEFER,
+        PARAM_TX,
+        PARAM_HWEVENT = 31,
+        PARAM_RETURN = 255      /* reset kiss mode */
+};
+
+/* fulldup parameter */
+
+enum FULLDUP_modes {
+        KISS_DUPLEX_HALF,       /* normal CSMA operation */
+        KISS_DUPLEX_FULL,       /* fullduplex, key down trx after transmission */
+        KISS_DUPLEX_LINK,       /* fullduplex, key down trx after 'idletime' sec */
+        KISS_DUPLEX_OPTIMA      /* fullduplex, let the protocol layer control the hw */
+};
+
+/* misc. parameters */
+
+#define TIMER_OFF       65535U  /* to switch off timers */
+#define NO_SUCH_PARAM   65534U  /* param not implemented */
+
+/* HWEVENT parameter */
+
+enum HWEVENT_opts {
+        HWEV_DCD_ON,
+        HWEV_DCD_OFF,
+        HWEV_ALL_SENT
+};
+
+/* channel grouping */
+
+#define RXGROUP         0100    /* if set, only tx when all channels clear */
+#define TXGROUP         0200    /* if set, don't transmit simultaneously */
+
+/* Tx/Rx clock sources */
+
+enum CLOCK_sources {
+        CLK_DPLL,       /* normal halfduplex operation */
+        CLK_EXTERNAL,   /* external clocking (G3RUH/DF9IC modems) */
+        CLK_DIVIDER,    /* Rx = DPLL, Tx = divider (fullduplex with */
+                        /* modems without clock regeneration */
+        CLK_BRG         /* experimental fullduplex mode with DPLL/BRG for */
+                        /* MODEMs without clock recovery */
+};
+
+/* Tx state */
+
+enum TX_state {
+        TXS_IDLE,       /* Transmitter off, no data pending */
+        TXS_BUSY,       /* waiting for permission to send / tailtime */
+        TXS_ACTIVE,     /* Transmitter on, sending data */
+        TXS_NEWFRAME,   /* reset CRC and send (next) frame */
+        TXS_IDLE2,      /* Transmitter on, no data pending */
+        TXS_WAIT,       /* Waiting for Mintime to expire */
+        TXS_TIMEOUT     /* We had a transmission timeout */
+};
+
+typedef unsigned long io_port;  /* type definition for an 'io port address' */
+
+/* SCC statistical information */
+
+struct scc_stat {
+        long rxints;            /* Receiver interrupts */
+        long txints;            /* Transmitter interrupts */
+        long exints;            /* External/status interrupts */
+        long spints;            /* Special receiver interrupts */
+
+        long txframes;          /* Packets sent */
+        long rxframes;          /* Number of Frames Actually Received */
+        long rxerrs;            /* CRC Errors */
+        long txerrs;            /* KISS errors */
+        
+        unsigned int nospace;   /* "Out of buffers" */
+        unsigned int rx_over;   /* Receiver Overruns */
+        unsigned int tx_under;  /* Transmitter Underruns */
+
+        unsigned int tx_state;  /* Transmitter state */
+        int tx_queued;          /* tx frames enqueued */
+
+        unsigned int maxqueue;  /* allocated tx_buffers */
+        unsigned int bufsize;   /* used buffersize */
+};
+
+struct scc_modem {
+        long speed;             /* Line speed, bps */
+        char clocksrc;          /* 0 = DPLL, 1 = external, 2 = divider */
+        char nrz;               /* NRZ instead of NRZI */       
+};
+
+struct scc_kiss_cmd {
+        int      command;       /* one of the KISS-Commands defined above */
+        unsigned param;         /* KISS-Param */
+};
+
+struct scc_hw_config {
+        io_port data_a;         /* data port channel A */
+        io_port ctrl_a;         /* control port channel A */
+        io_port data_b;         /* data port channel B */
+        io_port ctrl_b;         /* control port channel B */
+        io_port vector_latch;   /* INTACK-Latch (#) */
+        io_port special;        /* special function port */
+
+        int     irq;            /* irq */
+        long    clock;          /* clock */
+        char    option;         /* command for function port */
+
+        char brand;             /* hardware type */
+        char escc;              /* use ext. features of a 8580/85180/85280 */
+};
+
+/* (#) only one INTACK latch allowed. */
+
+
+struct scc_mem_config {
+        unsigned int dummy;
+        unsigned int bufsize;
+};
+
+struct scc_calibrate {
+        unsigned int time;
+        unsigned char pattern;
+};
+
+#ifdef __KERNEL__
+
+enum {TX_OFF, TX_ON};   /* command for scc_key_trx() */
+
+/* Vector masks in RR2B */
+
+#define VECTOR_MASK     0x06
+#define TXINT           0x00
+#define EXINT           0x02
+#define RXINT           0x04
+#define SPINT           0x06
+
+#ifdef CONFIG_SCC_DELAY
+#define Inb(port)       inb_p(port)
+#define Outb(port, val) outb_p(val, port)
+#else
+#define Inb(port)       inb(port)
+#define Outb(port, val) outb(val, port)
+#endif
+
+/* SCC channel control structure for KISS */
+
+struct scc_kiss {
+        unsigned char txdelay;          /* Transmit Delay 10 ms/cnt */
+        unsigned char persist;          /* Persistence (0-255) as a % */
+        unsigned char slottime;         /* Delay to wait on persistence hit */
+        unsigned char tailtime;         /* Delay after last byte written */
+        unsigned char fulldup;          /* Full Duplex mode 0=CSMA 1=DUP 2=ALWAYS KEYED */
+        unsigned char waittime;         /* Waittime before any transmit attempt */
+        unsigned int  maxkeyup;         /* Maximum time to transmit (seconds) */
+        unsigned int  mintime;          /* Minimal offtime after MAXKEYUP timeout (seconds) */
+        unsigned int  idletime;         /* Maximum idle time in ALWAYS KEYED mode (seconds) */
+        unsigned int  maxdefer;         /* Timer for CSMA channel busy limit */
+        unsigned char tx_inhibit;       /* Transmit is not allowed when set */  
+        unsigned char group;            /* Group ID for AX.25 TX interlocking */
+        unsigned char mode;             /* 'normal' or 'hwctrl' mode (unused) */
+        unsigned char softdcd;          /* Use DPLL instead of DCD pin for carrier detect */
+};
+
+
+/* SCC channel structure */
+
+struct scc_channel {
+        int init;                       /* channel exists? */
+
+        struct net_device *dev;         /* link to device control structure */
+        struct net_device_stats dev_stat;/* device statistics */
+
+        char brand;                     /* manufacturer of the board */
+        long clock;                     /* used clock */
+
+        io_port ctrl;                   /* I/O address of CONTROL register */
+        io_port data;                   /* I/O address of DATA register */
+        io_port special;                /* I/O address of special function port */
+        int irq;                        /* Number of Interrupt */
+
+        char option;
+        char enhanced;                  /* Enhanced SCC support */
+
+        unsigned char wreg[16];         /* Copy of last written value in WRx */
+        unsigned char status;           /* Copy of R0 at last external interrupt */
+        unsigned char dcd;              /* DCD status */
+
+        struct scc_kiss kiss;           /* control structure for KISS params */
+        struct scc_stat stat;           /* statistical information */
+        struct scc_modem modem;         /* modem information */
+
+        struct sk_buff_head tx_queue;   /* next tx buffer */
+        struct sk_buff *rx_buff;        /* pointer to frame currently received */
+        struct sk_buff *tx_buff;        /* pointer to frame currently transmitted */
+
+        /* Timer */
+        struct timer_list tx_t;         /* tx timer for this channel */
+        struct timer_list tx_wdog;      /* tx watchdogs */
+        
+        /* Channel lock */
+        spinlock_t      lock;           /* Channel guard lock */
+};
+
+#endif /* defined(__KERNEL__) */
+#endif /* defined(_SCC_H) */