1b5ddfe411
and support routines for the Broadcom CFE (Common Firmware Environment). This code is provided by the Broadband Processor Business Unit at Broadcom Corp with minor updates by me.
178 lines
6.3 KiB
C
178 lines
6.3 KiB
C
/* $NetBSD: sbscnvar.h,v 1.1 2002/03/05 23:46:43 simonb Exp $ */
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/*
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* Copyright 2000, 2001
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* Broadcom Corporation. All rights reserved.
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*
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* This software is furnished under license and may be used and copied only
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* in accordance with the following terms and conditions. Subject to these
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* conditions, you may download, copy, install, use, modify and distribute
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* modified or unmodified copies of this software in source and/or binary
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* form. No title or ownership is transferred hereby.
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*
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* 1) Any source code used, modified or distributed must reproduce and
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* retain this copyright notice and list of conditions as they appear in
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* the source file.
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*
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* 2) No right is granted to use any trade name, trademark, or logo of
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* Broadcom Corporation. Neither the "Broadcom Corporation" name nor any
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* trademark or logo of Broadcom Corporation may be used to endorse or
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* promote products derived from this software without the prior written
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* permission of Broadcom Corporation.
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*
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* 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
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* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
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* FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
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* LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* from: $NetBSD: comvar.h,v 1.32 2000/03/23 07:01:30 thorpej Exp */
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/*
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* Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christopher G. Demetriou
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* for the NetBSD Project.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "rnd.h"
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#if NRND > 0 && defined(RND_SBSCN)
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#include <sys/rnd.h>
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#endif
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#include <sys/callout.h>
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#define SBSCN_CHAN(x) ((minor(x) & 0x00001) >> 0)
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#define SBSCN_UNIT(x) ((minor(x) & 0x7fffe) >> 1)
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#define SBSCN_DIALOUT(x) ((minor(x) & 0x80000) != 0)
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#define SBSCN_TOLERANCE 30 /* baud rate tolerance, in 0.1% units */
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int sbscn_cnattach(u_long addr, int chan, int rate,
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tcflag_t cflag);
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#ifdef KGDB
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int sbscn_kgdb_attach(u_long addr, int chan, int rate,
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tcflag_t cflag);
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#endif
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int sbscn_is_console(u_long addr, int chan);
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/* Hardware flag masks */
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#define SBSCN_HW_CONSOLE 0x01
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#define SBSCN_HW_KGDB 0x02
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#define SBSCN_HW_DEV_OK 0x04
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/* Buffer size for character buffer */
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#define SBSCN_RING_SIZE 2048
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struct sbscn_channel {
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int ch_num;
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struct sbscn_softc *ch_sc;
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struct tty *ch_tty; /* tty struct */
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void *ch_intrhand; /* interrupt registration handle */
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void *ch_si; /* softintr cookie */
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struct callout ch_diag_callout; /* callout for diagnostic msgs */
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volatile char *ch_base; /* kseg1 addr of channel regs */
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volatile char *ch_isr_base; /* kseg1 addr of channel ISR */
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volatile char *ch_imr_base; /* kseg1 addr of channel IMR */
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#ifdef XXXCGDnotyet
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volatile char *ch_inchg_base; /* kseg1 addr of channel inport-chg */
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#endif
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u_int ch_overflows;
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u_int ch_floods;
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u_int ch_errors;
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u_int ch_hwflags;
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u_int ch_swflags;
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u_int ch_r_hiwat;
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u_int ch_r_lowat;
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/* receive ring buffer management */
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u_char *volatile ch_rbget;
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u_char *volatile ch_rbput;
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volatile u_int ch_rbavail;
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u_char *ch_rbuf;
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u_char *ch_ebuf;
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/* transmit buffer management */
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u_char *ch_tba;
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u_int ch_tbc;
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u_int ch_heldtbc;
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volatile u_int ch_rx_flags;
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#define RX_TTY_BLOCKED 0x01
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#define RX_TTY_OVERFLOWED 0x02
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#define RX_IBUF_BLOCKED 0x04
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#define RX_IBUF_OVERFLOWED 0x08
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#define RX_ANY_BLOCK 0x0f
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volatile u_int ch_tx_busy;
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volatile u_int ch_tx_done;
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volatile u_int ch_tx_stopped;
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volatile u_int ch_st_check;
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volatile u_int ch_rx_ready;
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volatile u_char ch_heldchange;
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volatile u_int ch_brc;
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volatile u_char ch_imr;
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volatile u_char ch_iports, ch_iports_delta;
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volatile u_char ch_oports, ch_oports_active;
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volatile u_char ch_mode1, ch_mode2;
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u_char ch_i_dcd, ch_i_cts, ch_i_dsr, ch_i_ri, ch_i_mask;
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u_char ch_o_dtr, ch_o_rts, ch_o_mask;
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u_char ch_i_dcd_pin, ch_i_cts_pin, ch_i_dsr_pin, ch_i_ri_pin;
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u_char ch_o_dtr_pin, ch_o_rts_pin;
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#if NRND > 0 && defined(RND_SBSCN)
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rndsource_element_t ch_rnd_source;
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#endif
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};
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struct sbscn_softc {
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struct device sc_dev; /* base device */
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/* shared data structures */
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u_long sc_addr; /* phys addr of DUART XXX bus_space */
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struct sbscn_channel sc_channels[2];
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};
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/* Macros to clear/set/test flags. */
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#define SET(t, f) (t) |= (f)
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#define CLR(t, f) (t) &= ~(f)
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#define ISSET(t, f) ((t) & (f))
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