/* $NetBSD: sbjcnvar.h,v 1.9 2023/05/13 11:19:19 andvar Exp $ */
/*
* Copyright 2000, 2001
* Broadcom Corporation. All rights reserved.
*
* This software is furnished under license and may be used and copied only
* in accordance with the following terms and conditions. Subject to these
* conditions, you may download, copy, install, use, modify and distribute
* modified or unmodified copies of this software in source and/or binary
* form. No title or ownership is transferred hereby.
*
* 1) Any source code used, modified or distributed must reproduce and
* retain this copyright notice and list of conditions as they appear in
* the source file.
*
* 2) No right is granted to use any trade name, trademark, or logo of
* Broadcom Corporation. The "Broadcom Corporation" name may not be
* used to endorse or promote products derived from this software
* without the prior written permission of Broadcom Corporation.
*
* 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
* FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
* LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* from: $NetBSD: comvar.h,v 1.32 2000/03/23 07:01:30 thorpej Exp */
/*
* Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Christopher G. Demetriou
* for the NetBSD Project.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef RND_SBJCN
#include <sys/rndsource.h>
#endif
#include <sys/callout.h>
#define SBJCN_CHAN(x) (TTUNIT(x) & 1)
#define SBJCN_UNIT(x) (TTUNIT(x) >> 1)
#define SBJCN_DIALOUT(x) TTDIALOUT(x)
#define SBJCN_TOLERANCE 30 /* baud rate tolerance, in 0.1% units */
int sbjcn_cnattach(u_long addr, int chan, int rate,
tcflag_t cflag);
#ifdef KGDB
int sbjcn_kgdb_attach(u_long addr, int chan, int rate,
tcflag_t cflag);
#endif
int sbjcn_is_console(u_long addr, int chan);
/* Hardware flag masks */
#define SBJCN_HW_CONSOLE 0x01
#define SBJCN_HW_KGDB 0x02
#define SBJCN_HW_DEV_OK 0x04
/* Buffer size for character buffer */
#define SBJCN_RING_SIZE 2048
struct sbjcn_channel {
int ch_num;
struct sbjcn_softc *ch_sc;
struct tty *ch_tty; /* tty struct */
struct callout ch_diag_callout; /* callout for diagnostic msgs */
struct callout ch_callout; /* callout for channel processing */
volatile char *ch_input_reg; /* kseg1 addr of input reg */
volatile char *ch_output_reg; /* kseg1 addr of output reg */
volatile char *ch_control_reg;/* kseg1 addr of control reg */
volatile int ch_waiting_input; /* */
volatile uint64_t ch_input_buf; /* up to 7 buffered bytes */
volatile char *ch_base; /* kseg1 addr of channel regs */
volatile char *ch_isr_base; /* kseg1 addr of channel ISR */
volatile char *ch_imr_base; /* kseg1 addr of channel IMR */
#ifdef XXXCGDnotyet
volatile char *ch_inchg_base; /* kseg1 addr of channel inport-chg */
#endif
u_int ch_overflows;
u_int ch_floods;
u_int ch_errors;
u_int ch_hwflags;
u_int ch_swflags;
u_int ch_r_hiwat;
u_int ch_r_lowat;
/* receive ring buffer management */
u_char *volatile ch_rbget;
u_char *volatile ch_rbput;
volatile u_int ch_rbavail;
u_char *ch_rbuf;
u_char *ch_ebuf;
/* transmit buffer management */
u_char *ch_tba;
u_int ch_tbc;
u_int ch_heldtbc;
volatile u_int ch_rx_flags;
#define RX_TTY_BLOCKED 0x01
#define RX_TTY_OVERFLOWED 0x02
#define RX_IBUF_BLOCKED 0x04
#define RX_IBUF_OVERFLOWED 0x08
#define RX_ANY_BLOCK 0x0f
volatile u_int ch_tx_busy;
volatile u_int ch_tx_done;
volatile u_int ch_tx_stopped;
volatile u_int ch_rx_ready;
volatile u_char ch_heldchange;
volatile u_int ch_brc;
volatile u_char ch_imr;
volatile u_char ch_iports, ch_iports_delta;
volatile u_char ch_oports, ch_oports_active;
volatile u_char ch_mode1, ch_mode2;
u_char ch_i_dcd, ch_i_cts, ch_i_dsr, ch_i_ri, ch_i_mask;
u_char ch_o_dtr, ch_o_rts, ch_o_mask;
u_char ch_i_dcd_pin, ch_i_cts_pin, ch_i_dsr_pin, ch_i_ri_pin;
u_char ch_o_dtr_pin, ch_o_rts_pin;
};
struct sbjcn_softc {
device_t sc_dev; /* base device */
/* shared data structures */
u_long sc_addr; /* phys addr of JTAG console bus_space */
struct sbjcn_channel sc_channels[1];
};