sys/arch/arm/sa11x0/sa11x0_comvar.h

   1 /*      $NetBSD: sa11x0_comvar.h,v 1.5 2008/04/28 20:23:14 martin Exp $        */
   2
   3 /*-
   4  * Copyright (c) 2001, The NetBSD Foundation, Inc.  All rights reserved.
   5  *
   6  * This code is derived from software contributed to The NetBSD Foundation
   7  * by IWAMOTO Toshihiro and Ichiro FUKUHARA.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #ifndef _ARM_SA11X0_COMVAR_H_
  32 #define _ARM_SA11X0_COMVAR_H_
  33
  34 /* Hardware flag masks */
  35 #define COM_HW_NOIEN            0x01
  36 #define COM_HW_DEV_OK           0x20
  37 #define COM_HW_CONSOLE          0x40
  38 #define COM_HW_KGDB             0x80
  39
  40 #define RX_TTY_BLOCKED          0x01
  41 #define RX_TTY_OVERFLOWED       0x02
  42 #define RX_IBUF_BLOCKED         0x04
  43 #define RX_IBUF_OVERFLOWED      0x08
  44 #define RX_ANY_BLOCK            0x0f
  45
  46 #define SACOM_RING_SIZE         2048
  47
  48 struct sacom_softc {
  49         device_t                sc_dev;
  50         bus_addr_t              sc_baseaddr;
  51         bus_space_tag_t         sc_iot;
  52         bus_space_handle_t      sc_ioh;
  53
  54         void                    *sc_si;
  55         struct tty              *sc_tty;
  56
  57
  58         u_char                  *sc_rbuf, *sc_ebuf;
  59
  60         u_char                  *sc_tba;
  61         u_int                   sc_tbc, sc_heldtbc;
  62
  63         u_char                  *volatile sc_rbget,
  64                                 *volatile sc_rbput;
  65         volatile u_int          sc_rbavail;
  66
  67         /* status flags */
  68         int                     sc_hwflags, sc_swflags;
  69
  70         volatile u_int          sc_rx_flags,
  71                                 sc_tx_busy,
  72                                 sc_tx_done,
  73                                 sc_tx_stopped,
  74                                 sc_st_check,
  75                                 sc_rx_ready;
  76         volatile int            sc_heldchange;
  77
  78         /* control registers */
  79         u_int                   sc_cr0, sc_cr3;
  80         u_int                   sc_speed;
  81
  82         /* power management hooks */
  83         int                     (*enable)(struct sacom_softc *);
  84         int                     (*disable)(struct sacom_softc *);
  85
  86         int                     enabled;
  87 };
  88
  89 #endif /* _ARM_SA11X0_COMVAR_H_ */