1 /* $NetBSD: sbscnvar.h,v 1.8 2015/04/13 21:18:42 riastradh Exp $ */ 2 3 /* 4 * Copyright 2000, 2001 5 * Broadcom Corporation. All rights reserved. 6 * 7 * This software is furnished under license and may be used and copied only 8 * in accordance with the following terms and conditions. Subject to these 9 * conditions, you may download, copy, install, use, modify and distribute 10 * modified or unmodified copies of this software in source and/or binary 11 * form. No title or ownership is transferred hereby. 12 * 13 * 1) Any source code used, modified or distributed must reproduce and 14 * retain this copyright notice and list of conditions as they appear in 15 * the source file. 16 * 17 * 2) No right is granted to use any trade name, trademark, or logo of 18 * Broadcom Corporation. The "Broadcom Corporation" name may not be 19 * used to endorse or promote products derived from this software 20 * without the prior written permission of Broadcom Corporation. 21 * 22 * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED 23 * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF 24 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR 25 * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE 26 * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE 27 * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 32 * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 /* from: $NetBSD: comvar.h,v 1.32 2000/03/23 07:01:30 thorpej Exp */ 36 37 /* 38 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 1. Redistributions of source code must retain the above copyright 44 * notice, this list of conditions and the following disclaimer. 45 * 2. Redistributions in binary form must reproduce the above copyright 46 * notice, this list of conditions and the following disclaimer in the 47 * documentation and/or other materials provided with the distribution. 48 * 3. All advertising materials mentioning features or use of this software 49 * must display the following acknowledgement: 50 * This product includes software developed by Christopher G. Demetriou 51 * for the NetBSD Project. 52 * 4. The name of the author may not be used to endorse or promote products 53 * derived from this software without specific prior written permission 54 * 55 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 56 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 57 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 58 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 59 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 60 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 64 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 65 */ 66 67 #ifdef RND_SBSCN 68 #include <sys/rndsource.h> 69 #endif 70 71 #include <sys/callout.h> 72 73 #define SBSCN_CHAN(x) (TTUNIT(x) & 1) 74 #define SBSCN_UNIT(x) (TTUNIT(x) >> 1) 75 #define SBSCN_DIALOUT(x) TTDIALOUT(x) 76 77 #define SBSCN_TOLERANCE 30 /* baud rate tolerance, in 0.1% units */ 78 79 int sbscn_cnattach(u_long addr, int chan, int rate, 80 tcflag_t cflag); 81 #ifdef KGDB 82 int sbscn_kgdb_attach(u_long addr, int chan, int rate, 83 tcflag_t cflag); 84 #endif 85 int sbscn_is_console(u_long addr, int chan); 86 87 /* Hardware flag masks */ 88 #define SBSCN_HW_CONSOLE 0x01 89 #define SBSCN_HW_KGDB 0x02 90 #define SBSCN_HW_DEV_OK 0x04 91 92 /* Buffer size for character buffer */ 93 #define SBSCN_RING_SIZE 2048 94 95 struct sbscn_channel { 96 int ch_num; 97 struct sbscn_softc *ch_sc; 98 struct tty *ch_tty; /* tty struct */ 99 void *ch_intrhand; /* interrupt registration handle */ 100 void *ch_si; /* softintr cookie */ 101 struct callout ch_diag_callout; /* callout for diagnostic msgs */ 102 103 volatile char *ch_base; /* kseg1 addr of channel regs */ 104 volatile char *ch_isr_base; /* kseg1 addr of channel ISR */ 105 volatile char *ch_imr_base; /* kseg1 addr of channel IMR */ 106 #ifdef XXXCGDnotyet 107 volatile char *ch_inchg_base; /* kseg1 addr of channel inport-chg */ 108 #endif 109 110 u_int ch_overflows; 111 u_int ch_floods; 112 u_int ch_errors; 113 114 u_int ch_hwflags; 115 u_int ch_swflags; 116 117 u_int ch_r_hiwat; 118 u_int ch_r_lowat; 119 120 /* receive ring buffer management */ 121 u_char *volatile ch_rbget; 122 u_char *volatile ch_rbput; 123 volatile u_int ch_rbavail; 124 u_char *ch_rbuf; 125 u_char *ch_ebuf; 126 127 /* transmit buffer management */ 128 u_char *ch_tba; 129 u_int ch_tbc; 130 u_int ch_heldtbc; 131 132 volatile u_int ch_rx_flags; 133 #define RX_TTY_BLOCKED 0x01 134 #define RX_TTY_OVERFLOWED 0x02 135 #define RX_IBUF_BLOCKED 0x04 136 #define RX_IBUF_OVERFLOWED 0x08 137 #define RX_ANY_BLOCK 0x0f 138 volatile u_int ch_tx_busy; 139 volatile u_int ch_tx_done; 140 volatile u_int ch_tx_stopped; 141 volatile u_int ch_st_check; 142 volatile u_int ch_rx_ready; 143 144 volatile u_char ch_heldchange; 145 146 volatile u_int ch_brc; 147 volatile u_char ch_imr; 148 volatile u_char ch_iports, ch_iports_delta; 149 volatile u_char ch_oports, ch_oports_active; 150 volatile u_char ch_mode1, ch_mode2; 151 152 u_char ch_i_dcd, ch_i_cts, ch_i_dsr, ch_i_ri, ch_i_mask; 153 u_char ch_o_dtr, ch_o_rts, ch_o_mask; 154 155 u_char ch_i_dcd_pin, ch_i_cts_pin, ch_i_dsr_pin, ch_i_ri_pin; 156 u_char ch_o_dtr_pin, ch_o_rts_pin; 157 158 #ifdef RND_SBSCN 159 krndsource_t ch_rnd_source; 160 #endif 161 }; 162 163 struct sbscn_softc { 164 device_t sc_dev; /* base device */ 165 166 /* shared data structures */ 167 u_long sc_addr; /* phys addr of DUART XXX bus_space */ 168 169 struct sbscn_channel sc_channels[2]; 170 }; 171