patch-2.1.72 linux/include/linux/pi2.h
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- Lines: 131
- Date:
Tue Dec 9 09:49:59 1997
- Orig file:
v2.1.71/linux/include/linux/pi2.h
- Orig date:
Thu Mar 27 14:40:10 1997
diff -u --recursive --new-file v2.1.71/linux/include/linux/pi2.h linux/include/linux/pi2.h
@@ -1,130 +0,0 @@
-
-#define DMA_BUFF_SIZE 2200
-
-#define ON 1
-#define OFF 0
-
-
-/* Register offset info, specific to the PI
- * E.g., to read the data port on channel A, use
- * inportb(pichan[dev].base + CHANA + DATA)
- */
-#define CHANB 0 /* Base of channel B regs */
-#define CHANA 2 /* Base of channel A regs */
-
-/* 8530 ports on each channel */
-#define CTL 0
-#define DATA 1
-
-#define DMAEN 0x4 /* Offset off DMA Enable register */
-
-/* Timer chip offsets */
-#define TMR0 0x8 /* Offset of timer 0 register */
-#define TMR1 0x9 /* Offset of timer 1 register */
-#define TMR2 0xA /* Offset of timer 2 register */
-#define TMRCMD 0xB /* Offset of timer command register */
-
-/* Timer chip equates */
-#define SC0 0x00 /* Select counter 0 */
-#define SC1 0x40 /* Select counter 1 */
-#define SC2 0x80 /* Select counter 2 */
-#define CLATCH 0x00 /* Counter latching operation */
-#define MSB 0x20 /* Read/load MSB only */
-#define LSB 0x10 /* Read/load LSB only */
-#define LSB_MSB 0x30 /* Read/load LSB, then MSB */
-#define MODE0 0x00 /* Interrupt on terminal count */
-#define MODE1 0x02 /* Programmable one shot */
-#define MODE2 0x04 /* Rate generator */
-#define MODE3 0x06 /* Square wave rate generator */
-#define MODE4 0x08 /* Software triggered strobe */
-#define MODE5 0x0a /* Hardware triggered strobe */
-#define BCD 0x01 /* BCD counter */
-
-/* DMA controller registers */
-#define DMA_STAT 8 /* DMA controller status register */
-#define DMA_CMD 8 /* DMA controller command register */
-#define DMA_MASK 10 /* DMA controller mask register */
-#define DMA_MODE 11 /* DMA controller mode register */
-#define DMA_RESETFF 12 /* DMA controller first/last flip flop */
-/* DMA data */
-#define DMA_DISABLE (0x04) /* Disable channel n */
-#define DMA_ENABLE (0x00) /* Enable channel n */
-/* Single transfers, incr. address, auto init, writes, ch. n */
-#define DMA_RX_MODE (0x54)
-/* Single transfers, incr. address, no auto init, reads, ch. n */
-#define DMA_TX_MODE (0x48)
-
-#define SINGLE 3686400
-#define DOUBLE 7372800
-
-#define SIOCGPIPARAM 0x5000 /* get PI parameters */
-#define SIOCSPIPARAM 0x5001 /* set */
-#define SIOCGPIBAUD 0x5002 /* get only baud rate */
-#define SIOCSPIBAUD 0x5003
-#define SIOCGPIDMA 0x5004 /* get only DMA */
-#define SIOCSPIDMA 0x5005
-#define SIOCGPIIRQ 0x5006 /* get only IRQ */
-#define SIOCSPIIRQ 0x5007
-
-struct pi_req {
- int cmd;
- int speed;
- int clockmode;
- int txdelay;
- unsigned char persist;
- int slotime;
- int squeldelay;
- int dmachan;
- int irq;
-};
-
-#ifdef __KERNEL__
-
-/* Information that needs to be kept for each channel. */
-struct pi_local {
- struct net_device_stats stats;
- long open_time; /* Useless example local info. */
- unsigned long xtal;
-
- struct mbuf *rcvbuf;/* Buffer for current rx packet */
- struct mbuf *rxdmabuf1; /* DMA rx buffer */
- struct mbuf *rxdmabuf2; /* DMA rx buffer */
-
- int bufsiz; /* Size of rcvbuf */
- char *rcp; /* Pointer into rcvbuf */
-
- struct sk_buff_head sndq; /* Packets awaiting transmission */
- int sndcnt; /* Number of packets on sndq */
- struct sk_buff *sndbuf; /* Current buffer being transmitted */
- char *txdmabuf; /* Transmit DMA buffer */
- char *txptr; /* Used by B port tx */
- int txcnt;
- char tstate; /* Transmitter state */
-#define IDLE 0 /* Transmitter off, no data pending */
-#define ACTIVE 1 /* Transmitter on, sending data */
-#define UNDERRUN 2 /* Transmitter on, flushing CRC */
-#define FLAGOUT 3 /* CRC sent - attempt to start next frame */
-#define DEFER 4 /* Receive Active - DEFER Transmit */
-#define ST_TXDELAY 5 /* Sending leading flags */
-#define CRCOUT 6
- char rstate; /* Set when !DCD goes to 0 (TRUE) */
-/* Normal state is ACTIVE if Receive enabled */
-#define RXERROR 2 /* Error -- Aborting current Frame */
-#define RXABORT 3 /* ABORT sequence detected */
-#define TOOBIG 4 /* too large a frame to store */
- int dev; /* Device number */
- int base; /* Base of I/O registers */
- int cardbase; /* Base address of card */
- int stata; /* address of Channel A status regs */
- int statb; /* address of Channel B status regs */
- int speed; /* Line speed, bps */
- int clockmode; /* tapr 9600 modem clocking option */
- int txdelay; /* Transmit Delay 10 ms/cnt */
- unsigned char persist; /* Persistence (0-255) as a % */
- int slotime; /* Delay to wait on persistence hit */
- int squeldelay; /* Delay after XMTR OFF for squelch tail */
- struct iface *iface; /* Associated interface */
- int dmachan; /* DMA channel for this port */
-};
-
-#endif
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