epcomvar.h revision 1.2.4.2
1 /* $NetBSD: epcomvar.h,v 1.2.4.2 2005/01/17 19:29:12 skrll Exp $ */ 2 /*- 3 * Copyright (c) 2004 Jesse Off 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the NetBSD 16 * Foundation, Inc. and its contributors. 17 * 4. Neither the name of The NetBSD Foundation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 */ 33 34 #ifndef _EPCOMVAR_H_ 35 #define _EPCOMVAR_H_ 36 37 /* Hardware flag masks */ 38 #define COM_HW_NOIEN 0x01 39 #define COM_HW_DEV_OK 0x20 40 #define COM_HW_CONSOLE 0x40 41 #define COM_HW_KGDB 0x80 42 43 #define RX_TTY_BLOCKED 0x01 44 #define RX_TTY_OVERFLOWED 0x02 45 #define RX_IBUF_BLOCKED 0x04 46 #define RX_IBUF_OVERFLOWED 0x08 47 #define RX_ANY_BLOCK 0x0f 48 49 #define EPCOM_RING_SIZE 2048 50 51 struct epcom_softc { 52 struct device sc_dev; 53 bus_addr_t sc_hwbase; 54 bus_space_tag_t sc_iot; 55 bus_space_handle_t sc_ioh; 56 57 void *sc_si; 58 59 struct tty *sc_tty; 60 61 u_char *sc_rbuf, *sc_ebuf; 62 63 u_char *sc_tba; 64 u_int sc_tbc; 65 66 u_char *volatile sc_rbget, 67 *volatile sc_rbput; 68 volatile u_int sc_rbavail; 69 70 /* status flags */ 71 int sc_hwflags, sc_swflags; 72 73 volatile u_int sc_rx_flags, 74 sc_tx_busy, 75 sc_tx_done, 76 sc_tx_stopped, 77 sc_st_check, 78 sc_rx_ready; 79 80 /* control registers */ 81 u_int sc_lcrlo; 82 u_int sc_lcrmid; 83 u_int sc_lcrhi; 84 u_int sc_ctrl; 85 86 /* power management hooks */ 87 int (*enable)(struct epcom_softc *); 88 int (*disable)(struct epcom_softc *); 89 90 int enabled; 91 #if NRND > 0 && defined(RND_COM) 92 rndsource_element_t rnd_source; 93 #endif 94 }; 95 96 void epcom_attach_subr(struct epcom_softc *); 97 98 int epcomintr(void* arg); 99 int epcomcnattach(bus_space_tag_t, bus_addr_t, bus_space_handle_t, 100 int, tcflag_t); 101 102 #endif /* _EPCOMVAR_H_ */ 103
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