vserver 1.9.5.x5

[linux-2.6.git] / drivers / tc / zs.h

diff --git a/drivers/tc/zs.h b/drivers/tc/zs.h
index 72f555f..c52edff 100644 (file)
--- a/drivers/tc/zs.h
+++ b/drivers/tc/zs.h
@@ -1,14 +1,18 @@
 /*
- * macserial.h: Definitions for the Macintosh Z8530 serial driver.
+ * drivers/tc/zs.h: Definitions for the DECstation Z85C30 serial driver.
  *
  * Adapted from drivers/sbus/char/sunserial.h by Paul Mackerras.
+ * Adapted from drivers/macintosh/macserial.h by Harald Koerfgen.
  *
  * Copyright (C) 1996 Paul Mackerras (Paul.Mackerras@cs.anu.edu.au)
  * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 2004  Maciej W. Rozycki
  */
 #ifndef _DECSERIAL_H
 #define _DECSERIAL_H
 
+#include <asm/dec/serial.h>
+
 #define NUM_ZSREGS    16
 
 struct serial_struct {
@@ -89,61 +93,48 @@ struct dec_zschannel {
        unsigned char curregs[NUM_ZSREGS];
 };
 
-struct dec_serial;
-
-struct zs_hook {
-       int (*init_channel)(struct dec_serial* info);
-       void (*init_info)(struct dec_serial* info);
-       void (*rx_char)(unsigned char ch, unsigned char stat);
-       int  (*poll_rx_char)(struct dec_serial* info);
-       int  (*poll_tx_char)(struct dec_serial* info,
-                            unsigned char ch);
-       unsigned cflags;
-};
-
 struct dec_serial {
-       struct dec_serial *zs_next;     /* For IRQ servicing chain */
-       struct dec_zschannel *zs_channel; /* Channel registers */
-       struct dec_zschannel *zs_chan_a;        /* A side registers */
-       unsigned char read_reg_zero;
-
-       char soft_carrier;  /* Use soft carrier on this channel */
-       char break_abort;   /* Is serial console in, so process brk/abrt */
-       struct zs_hook *hook;  /* Hook on this channel */
-       char is_cons;       /* Is this our console. */
-       unsigned char tx_active; /* character is being xmitted */
-       unsigned char tx_stopped; /* output is suspended */
-
-       /* We need to know the current clock divisor
-        * to read the bps rate the chip has currently
-        * loaded.
+       struct dec_serial       *zs_next;       /* For IRQ servicing chain.  */
+       struct dec_zschannel    *zs_channel;    /* Channel registers.  */
+       struct dec_zschannel    *zs_chan_a;     /* A side registers.  */
+       unsigned char           read_reg_zero;
+
+       struct dec_serial_hook  *hook;          /* Hook on this channel.  */
+       int                     tty_break;      /* Set on BREAK condition.  */
+       int                     is_cons;        /* Is this our console.  */
+       int                     tx_active;      /* Char is being xmitted.  */
+       int                     tx_stopped;     /* Output is suspended.  */
+
+       /*
+        * We need to know the current clock divisor
+        * to read the bps rate the chip has currently loaded.
         */
-       unsigned char clk_divisor;  /* May be 1, 16, 32, or 64 */
-       int zs_baud;
+       int                     clk_divisor;    /* May be 1, 16, 32, or 64.  */
+       int                     zs_baud;
 
-       char change_needed;
+       char                    change_needed;
 
        int                     magic;
        int                     baud_base;
        int                     port;
        int                     irq;
-       int                     flags;          /* defined in tty.h */
-       int                     type;           /* UART type */
+       int                     flags;          /* Defined in tty.h.  */
+       int                     type;           /* UART type.  */
        struct tty_struct       *tty;
        int                     read_status_mask;
        int                     ignore_status_mask;
        int                     timeout;
        int                     xmit_fifo_size;
        int                     custom_divisor;
-       int                     x_char; /* xon/xoff character */
+       int                     x_char;         /* XON/XOFF character.  */
        int                     close_delay;
        unsigned short          closing_wait;
        unsigned short          closing_wait2;
        unsigned long           event;
        unsigned long           last_active;
        int                     line;
-       int                     count;      /* # of fd on device */
-       int                     blocked_open; /* # of blocked opens */
+       int                     count;          /* # of fds on device.  */
+       int                     blocked_open;   /* # of blocked opens.  */
        unsigned char           *xmit_buf;
        int                     xmit_head;
        int                     xmit_tail;
@@ -219,8 +210,9 @@ struct dec_serial {
 
 #define        RxINT_DISAB     0       /* Rx Int Disable */
 #define        RxINT_FCERR     0x8     /* Rx Int on First Character Only or Error */
-#define        INT_ALL_Rx      0x10    /* Int on all Rx Characters or error */
-#define        INT_ERR_Rx      0x18    /* Int on error only */
+#define        RxINT_ALL       0x10    /* Int on all Rx Characters or error */
+#define        RxINT_ERR       0x18    /* Int on error only */
+#define        RxINT_MASK      0x18
 
 #define        WT_RDY_RT       0x20    /* Wait/Ready on R/T */
 #define        WT_FN_RDYFN     0x40    /* Wait/FN/Ready FN */