arm/at91/at91dbguvar.h

1.2  matt /*      $NetBSD: at91dbguvar.h,v 1.2 2008/07/03 01:15:38 matt Exp $	*/
1.2  matt
1.2  matt /*-
1.2  matt  * Copyright (c) 2007 Embedtronics Oy
1.2  matt  *
1.2  matt  * Redistribution and use in source and binary forms, with or without
1.2  matt  * modification, are permitted provided that the following conditions
1.2  matt  * are met:
1.2  matt  * 1. Redistributions of source code must retain the above copyright
1.2  matt  *    notice, this list of conditions and the following disclaimer.
1.2  matt  * 2. Redistributions in binary form must reproduce the above copyright
1.2  matt  *    notice, this list of conditions and the following disclaimer in the
1.2  matt  *    documentation and/or other materials provided with the distribution.
1.2  matt  * 3. All advertising materials mentioning features or use of this software
1.2  matt  *    must display the following acknowledgement:
1.2  matt  *      This product includes software developed by the NetBSD
1.2  matt  *      Foundation, Inc. and its contributors.
1.2  matt  * 4. Neither the name of The NetBSD Foundation nor the names of its
1.2  matt  *    contributors may be used to endorse or promote products derived
1.2  matt  *    from this software without specific prior written permission.
1.2  matt  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
1.2  matt  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.2  matt  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.2  matt  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
1.2  matt  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1.2  matt  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
1.2  matt  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.2  matt  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
1.2  matt  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
1.2  matt  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
1.2  matt  * SUCH DAMAGE.
1.2  matt  *
1.2  matt  */
1.2  matt
1.2  matt #ifndef _AT91DBGUVAR_H_
1.2  matt #define _AT91DBGUVAR_H_
1.2  matt
1.2  matt #include <sys/tty.h>
1.2  matt
1.2  matt /* Hardware flag masks */
1.2  matt #define COM_HW_NOIEN		0x01
1.2  matt #define COM_HW_DEV_OK		0x20
1.2  matt #define COM_HW_CONSOLE		0x40
1.2  matt #define COM_HW_KGDB		0x80
1.2  matt
1.2  matt #define RX_TTY_BLOCKED		0x01
1.2  matt #define RX_TTY_OVERFLOWED	0x02
1.2  matt #define RX_IBUF_BLOCKED		0x04
1.2  matt #define RX_IBUF_OVERFLOWED	0x08
1.2  matt #define RX_ANY_BLOCK		0x0f
1.2  matt
1.2  matt #define AT91DBGU_RING_SIZE	2048
1.2  matt
1.2  matt struct at91dbgu_softc {
1.2  matt 	device_t		sc_dev;
1.2  matt 	bus_addr_t		sc_hwbase;
1.2  matt 	bus_space_tag_t		sc_iot;
1.2  matt 	bus_space_handle_t 	sc_ioh;
1.2  matt
1.2  matt 	void			*sc_si;
1.2  matt
1.2  matt 	struct tty		*sc_tty;
1.2  matt
1.2  matt 	u_char			*sc_rbuf, *sc_ebuf;
1.2  matt
1.2  matt  	u_char			*sc_tba;
1.2  matt  	u_int			sc_tbc;
1.2  matt
1.2  matt 	u_char			*volatile sc_rbget,
1.2  matt 				*volatile sc_rbput;
1.2  matt  	volatile u_int		sc_rbavail;
1.2  matt
1.2  matt 	/* status flags */
1.2  matt 	int			sc_hwflags, sc_swflags;
1.2  matt
1.2  matt 	volatile u_int		sc_rx_flags,
1.2  matt 				sc_tx_busy,
1.2  matt 				sc_tx_done,
1.2  matt 				sc_tx_stopped,
1.2  matt 				sc_st_check,
1.2  matt 				sc_rx_ready;
1.2  matt
1.2  matt 	volatile u_int		sc_brgr, sc_ier, sc_poll;
1.2  matt
1.2  matt 	/* power management hooks */
1.2  matt 	int			(*enable)(struct at91dbgu_softc *);
1.2  matt 	int			(*disable)(struct at91dbgu_softc *);
1.2  matt
1.2  matt 	int			enabled;
1.2  matt #if NRND > 0 && defined(RND_COM)
1.2  matt 	rndsource_element_t  rnd_source;
1.2  matt #endif
1.2  matt };
1.2  matt
1.2  matt void	at91dbgu_attach_subr(struct at91dbgu_softc *);
1.2  matt int	at91dbgu_intr(void* arg);
1.2  matt
1.2  matt void	at91dbgu_attach_cn(bus_space_tag_t, int, int mode);
1.2  matt
1.2  matt #endif /* _AT91DBGUVAR_H_ */