sbjcnvar.h revision 1.6
1 /* $NetBSD: sbjcnvar.h,v 1.6 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_SBJCN 68 #include <sys/rndsource.h> 69 #endif 70 71 #include <sys/callout.h> 72 73 #define SBJCN_CHAN(x) (TTUNIT(x) & 1) 74 #define SBJCN_UNIT(x) (TTUNIT(x) >> 1) 75 #define SBJCN_DIALOUT(x) TTDIALOUT(x) 76 77 #define SBJCN_TOLERANCE 30 /* baud rate tolerance, in 0.1% units */ 78 79 int sbjcn_cnattach(u_long addr, int chan, int rate, 80 tcflag_t cflag); 81 #ifdef KGDB 82 int sbjcn_kgdb_attach(u_long addr, int chan, int rate, 83 tcflag_t cflag); 84 #endif 85 int sbjcn_is_console(u_long addr, int chan); 86 87 /* Hardware flag masks */ 88 #define SBJCN_HW_CONSOLE 0x01 89 #define SBJCN_HW_KGDB 0x02 90 #define SBJCN_HW_DEV_OK 0x04 91 92 /* Buffer size for character buffer */ 93 #define SBJCN_RING_SIZE 2048 94 95 struct sbjcn_channel { 96 int ch_num; 97 struct sbjcn_softc *ch_sc; 98 struct tty *ch_tty; /* tty struct */ 99 struct callout ch_diag_callout; /* callout for diagnostic msgs */ 100 struct callout ch_callout; /* callout for channel processing */ 101 102 volatile char *ch_input_reg; /* kseg1 addr of input reg */ 103 volatile char *ch_output_reg; /* kseg1 addr of outpu reg */ 104 volatile char *ch_control_reg;/* kseg1 addr of control reg */ 105 106 volatile int ch_waiting_input; /* */ 107 volatile uint64_t ch_input_buf; /* up to 7 buffered bytes */ 108 109 volatile char *ch_base; /* kseg1 addr of channel regs */ 110 volatile char *ch_isr_base; /* kseg1 addr of channel ISR */ 111 volatile char *ch_imr_base; /* kseg1 addr of channel IMR */ 112 #ifdef XXXCGDnotyet 113 volatile char *ch_inchg_base; /* kseg1 addr of channel inport-chg */ 114 #endif 115 116 u_int ch_overflows; 117 u_int ch_floods; 118 u_int ch_errors; 119 120 u_int ch_hwflags; 121 u_int ch_swflags; 122 123 u_int ch_r_hiwat; 124 u_int ch_r_lowat; 125 126 /* receive ring buffer management */ 127 u_char *volatile ch_rbget; 128 u_char *volatile ch_rbput; 129 volatile u_int ch_rbavail; 130 u_char *ch_rbuf; 131 u_char *ch_ebuf; 132 133 /* transmit buffer management */ 134 u_char *ch_tba; 135 u_int ch_tbc; 136 u_int ch_heldtbc; 137 138 volatile u_int ch_rx_flags; 139 #define RX_TTY_BLOCKED 0x01 140 #define RX_TTY_OVERFLOWED 0x02 141 #define RX_IBUF_BLOCKED 0x04 142 #define RX_IBUF_OVERFLOWED 0x08 143 #define RX_ANY_BLOCK 0x0f 144 volatile u_int ch_tx_busy; 145 volatile u_int ch_tx_done; 146 volatile u_int ch_tx_stopped; 147 volatile u_int ch_rx_ready; 148 149 volatile u_char ch_heldchange; 150 151 volatile u_int ch_brc; 152 volatile u_char ch_imr; 153 volatile u_char ch_iports, ch_iports_delta; 154 volatile u_char ch_oports, ch_oports_active; 155 volatile u_char ch_mode1, ch_mode2; 156 157 u_char ch_i_dcd, ch_i_cts, ch_i_dsr, ch_i_ri, ch_i_mask; 158 u_char ch_o_dtr, ch_o_rts, ch_o_mask; 159 160 u_char ch_i_dcd_pin, ch_i_cts_pin, ch_i_dsr_pin, ch_i_ri_pin; 161 u_char ch_o_dtr_pin, ch_o_rts_pin; 162 }; 163 164 struct sbjcn_softc { 165 device_t sc_dev; /* base device */ 166 167 /* shared data structures */ 168 u_long sc_addr; /* phys addr of JTAG console bus_space */ 169 170 struct sbjcn_channel sc_channels[1]; 171 }; 172 173 /* Macros to clear/set/test flags. */ 174 #define SET(t, f) (t) |= (f) 175 #define CLR(t, f) (t) &= ~(f) 176 #define ISSET(t, f) ((t) & (f)) 177
Indexes created Wed Oct 01 07:09:59 GMT 2025