1 /* $NetBSD: ixp12x0_comvar.h,v 1.7 2012/10/27 17:17:39 chs Exp $ */ 2 /*- 3 * Copyright (c) 2001, The NetBSD Foundation, Inc. All rights reserved. 4 * 5 * This code is derived from software contributed to The NetBSD Foundation 6 * by IWAMOTO Toshihiro and Ichiro FUKUHARA. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef _IXP12X0_COMVAR_H_ 31 #define _IXP12X0_COMVAR_H_ 32 33 /* Hardware flag masks */ 34 #define COM_HW_NOIEN 0x01 35 #define COM_HW_DEV_OK 0x20 36 #define COM_HW_CONSOLE 0x40 37 #define COM_HW_KGDB 0x80 38 39 #define RX_TTY_BLOCKED 0x01 40 #define RX_TTY_OVERFLOWED 0x02 41 #define RX_IBUF_BLOCKED 0x04 42 #define RX_IBUF_OVERFLOWED 0x08 43 #define RX_ANY_BLOCK 0x0f 44 45 #define IXPCOM_RING_SIZE 2048 46 47 struct ixpcom_softc { 48 device_t sc_dev; 49 bus_addr_t sc_baseaddr; 50 bus_space_tag_t sc_iot; 51 bus_space_handle_t sc_ioh; 52 53 void *sc_si; 54 55 struct tty *sc_tty; 56 57 u_char *sc_rbuf, *sc_ebuf; 58 59 u_char *sc_tba; 60 u_int sc_tbc, sc_heldtbc; 61 62 u_char *volatile sc_rbget, 63 *volatile sc_rbput; 64 volatile u_int sc_rbavail; 65 66 /* status flags */ 67 int sc_hwflags, sc_swflags; 68 69 volatile u_int sc_rx_flags, 70 sc_tx_busy, 71 sc_tx_done, 72 sc_tx_stopped, 73 sc_st_check, 74 sc_rx_ready; 75 volatile int sc_heldchange; 76 77 /* control registers */ 78 u_int sc_xie; 79 u_int sc_rie; 80 u_int sc_speed; 81 82 /* power management hooks */ 83 int (*enable)(struct ixpcom_softc *); 84 int (*disable)(struct ixpcom_softc *); 85 86 int enabled; 87 }; 88 89 extern struct ixpcom_softc* ixpcom_sc; 90 91 void ixpcom_attach_subr(struct ixpcom_softc *); 92 93 int ixpcomintr(void* arg); 94 int ixpcomcnattach(bus_space_tag_t, bus_addr_t, bus_space_handle_t, 95 int, tcflag_t); 96 97 #endif /* _IXP12X0_COMVAR_H_ */ 98