1 /* $NetBSD: sa11x0_comvar.h,v 1.2 2006/04/11 15:24:24 peter 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 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the NetBSD 20 * Foundation, Inc. and its contributors. 21 * 4. Neither the name of The NetBSD Foundation nor the names of its 22 * contributors may be used to endorse or promote products derived 23 * from this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #ifndef _ARM_SA11X0_COMVAR_H_ 39 #define _ARM_SA11X0_COMVAR_H_ 40 41 /* Hardware flag masks */ 42 #define COM_HW_NOIEN 0x01 43 #define COM_HW_DEV_OK 0x20 44 #define COM_HW_CONSOLE 0x40 45 #define COM_HW_KGDB 0x80 46 47 #define RX_TTY_BLOCKED 0x01 48 #define RX_TTY_OVERFLOWED 0x02 49 #define RX_IBUF_BLOCKED 0x04 50 #define RX_IBUF_OVERFLOWED 0x08 51 #define RX_ANY_BLOCK 0x0f 52 53 #define SACOM_RING_SIZE 2048 54 55 struct sacom_softc { 56 struct device sc_dev; 57 bus_addr_t sc_baseaddr; 58 bus_space_tag_t sc_iot; 59 bus_space_handle_t sc_ioh; 60 61 #ifdef __HAVE_GENERIC_SOFT_INTERRUPTS 62 void *sc_si; 63 #endif 64 struct tty *sc_tty; 65 66 67 u_char *sc_rbuf, *sc_ebuf; 68 69 u_char *sc_tba; 70 u_int sc_tbc, sc_heldtbc; 71 72 u_char *volatile sc_rbget, 73 *volatile sc_rbput; 74 volatile u_int sc_rbavail; 75 76 /* status flags */ 77 int sc_hwflags, sc_swflags; 78 79 volatile u_int sc_rx_flags, 80 sc_tx_busy, 81 sc_tx_done, 82 sc_tx_stopped, 83 sc_st_check, 84 sc_rx_ready; 85 volatile int sc_heldchange; 86 87 /* control registers */ 88 u_int sc_cr0, sc_cr3; 89 u_int sc_speed; 90 91 /* power management hooks */ 92 int (*enable)(struct sacom_softc *); 93 int (*disable)(struct sacom_softc *); 94 95 int enabled; 96 }; 97 98 #endif /* _ARM_SA11X0_COMVAR_H_ */ 99