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sa11x0_comvar.h revision 1.2 
      1 /*      $NetBSD: sa11x0_comvar.h,v 1.2 2006/04/11 15:24:24 peter Exp $        */
      2 
      3 /*-
      4  * Copyright (c) 2001, The NetBSD Foundation, Inc.  All rights reserved.
      5  *
      6  * This code is derived from software contributed to The NetBSD Foundation
      7  * by IWAMOTO Toshihiro and Ichiro FUKUHARA.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *      This product includes software developed by the NetBSD
     20  *      Foundation, Inc. and its contributors.
     21  * 4. Neither the name of The NetBSD Foundation nor the names of its
     22  *    contributors may be used to endorse or promote products derived
     23  *    from this software without specific prior written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     26  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     35  * POSSIBILITY OF SUCH DAMAGE.
     36  */
     37 
     38 #ifndef _ARM_SA11X0_COMVAR_H_
     39 #define _ARM_SA11X0_COMVAR_H_
     40 
     41 /* Hardware flag masks */
     42 #define COM_HW_NOIEN		0x01
     43 #define COM_HW_DEV_OK		0x20
     44 #define COM_HW_CONSOLE		0x40
     45 #define COM_HW_KGDB		0x80
     46 
     47 #define RX_TTY_BLOCKED		0x01
     48 #define RX_TTY_OVERFLOWED	0x02
     49 #define RX_IBUF_BLOCKED		0x04
     50 #define RX_IBUF_OVERFLOWED	0x08
     51 #define RX_ANY_BLOCK		0x0f
     52 
     53 #define SACOM_RING_SIZE		2048
     54 
     55 struct sacom_softc {
     56 	struct device		sc_dev;
     57 	bus_addr_t		sc_baseaddr;
     58 	bus_space_tag_t		sc_iot;
     59 	bus_space_handle_t 	sc_ioh;
     60 
     61 #ifdef __HAVE_GENERIC_SOFT_INTERRUPTS
     62 	void			*sc_si;
     63 #endif
     64 	struct tty		*sc_tty;
     65 
     66 
     67 	u_char			*sc_rbuf, *sc_ebuf;
     68 
     69  	u_char			*sc_tba;
     70  	u_int			sc_tbc, sc_heldtbc;
     71 
     72 	u_char			*volatile sc_rbget,
     73 				*volatile sc_rbput;
     74  	volatile u_int		sc_rbavail;
     75 
     76 	/* status flags */
     77 	int			sc_hwflags, sc_swflags;
     78 
     79 	volatile u_int		sc_rx_flags,
     80 				sc_tx_busy,
     81 				sc_tx_done,
     82 				sc_tx_stopped,
     83 				sc_st_check,
     84 				sc_rx_ready;
     85 	volatile int		sc_heldchange;
     86 
     87 	/* control registers */
     88 	u_int			sc_cr0, sc_cr3;
     89 	u_int			sc_speed;
     90 
     91 	/* power management hooks */
     92 	int			(*enable)(struct sacom_softc *);
     93 	int			(*disable)(struct sacom_softc *);
     94 
     95 	int			enabled;
     96 };
     97 
     98 #endif /* _ARM_SA11X0_COMVAR_H_ */
     99