NetBSD/sys/arch/arm/xscale/ixp425_comvar.h

130 lines
3.8 KiB
C

/* $NetBSD: ixp425_comvar.h,v 1.6 2003/07/02 10:40:47 ichiro Exp $ */
/*-
* Copyright (c) 2001, The NetBSD Foundation, Inc. All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by IWAMOTO Toshihiro and Ichiro FUKUHARA.
*
* 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 the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
*/
#ifndef _IXP425_COMVAR_H_
#define _IXP425_COMVAR_H_
#define FREQ 14745600
/* Hardware flag masks */
#define COM_HW_NOIEN 0x01
#define COM_HW_FIFO 0x02
#define COM_HW_DEV_OK 0x20
#define COM_HW_CONSOLE 0x40
#define COM_HW_KGDB 0x80
#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
#define IXPCOM_RING_SIZE 2048
struct ixp4xx_com_softc {
struct device sc_dev;
void *sc_si;
struct tty *sc_tty;
struct callout sc_diag_callout;
bus_addr_t sc_baseaddr;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
int sc_frequency;
u_char *sc_rbuf, *sc_ebuf;
u_char *sc_tba;
u_int sc_tbc, sc_heldtbc;
u_char *volatile sc_rbget,
*volatile sc_rbput;
volatile u_int sc_rbavail;
/* status flags */
int sc_hwflags,
sc_swflags;
volatile u_int sc_rx_flags,
sc_tx_busy,
sc_tx_done,
sc_tx_stopped,
sc_st_check,
sc_rx_ready;
u_int sc_overflows,
sc_floods,
sc_errors;
u_int sc_r_hiwat,
sc_r_lowat;
volatile int sc_heldchange;
volatile int sc_msr, sc_msr_delta, sc_msr_mask, sc_mcr,
sc_mcr_active, sc_lcr, sc_ier, sc_fcr,
sc_dlbl, sc_dlbh;
u_char sc_mcr_dtr, sc_mcr_rts, sc_msr_cts, sc_msr_dcd;
/* power management hooks */
int (*enable)(struct ixp4xx_com_softc *);
int (*disable)(struct ixp4xx_com_softc *);
int enabled;
};
/*
* UART information
*/
struct uart_info {
const char *name;
u_int32_t hw_addr;
u_int32_t v_addr;
u_int8_t intr;
};
extern struct ixp4xx_com_softc* ixp4xx_com_sc;
int ixp4xx_comspeed(long, long);
void ixp4xx_com_attach_subr(struct ixp4xx_com_softc *);
int ixp4xxcomintr(void* arg);
int ixp4xx_comcnattach(bus_space_tag_t, const struct uart_info *,
int, int, tcflag_t);
int ixdp_ixp4xx_comcnattach(bus_space_tag_t, int, int, int, tcflag_t);
#endif /* _IXP425_COMVAR_H_ */