1 /* $NetBSD: sa11x0_comvar.h,v 1.6 2009/05/29 14:15:44 rjs 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_ */ 90