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tx39var.h revision 1.9.8.2 
      1 /*	$NetBSD: tx39var.h,v 1.9.8.2 2002/02/28 04:10:02 nathanw Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1999-2002 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by UCHIYAMA Yasushi.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 enum tx_chipset {
     40 	__TX391X,
     41 	__TX392X,
     42 };
     43 
     44 /* attach priority of TX-internal modules. */
     45 enum tx_attach_order {
     46 	ATTACH_FIRST	= 3,
     47 	ATTACH_NORMAL	= 2,
     48 	ATTACH_LAST	= 1,
     49 };
     50 
     51 /* unified I/O manager */
     52 enum txio_group {
     53 	MFIO = 0,
     54 	IO,
     55 	BETTY,
     56 	SNOWBALL,
     57 	PLUM,
     58 	NTXIO_GROUP
     59 };
     60 
     61 struct hpcio_chip;
     62 
     63 struct tx_chipset_tag {
     64 	enum tx_chipset tc_chipset;
     65 	void *tc_intrt;  /* interrupt tag */
     66 	void *tc_powert; /* power tag */
     67 	void *tc_clockt; /* clock/timer tag */
     68 	void *tc_soundt; /* sound tag */
     69 	struct hpcio_chip *tc_iochip[NTXIO_GROUP];
     70 	void *tc_videot; /* video chip tag */
     71 };
     72 
     73 typedef struct tx_chipset_tag* tx_chipset_tag_t __attribute__((__unused__));
     74 typedef u_int32_t txreg_t;
     75 extern struct tx_chipset_tag tx_chipset;
     76 #define tx_conf_get_tag() (&tx_chipset)
     77 
     78 #if defined TX391X && defined TX392X
     79 #define IS_TX391X(t)	((t)->tc_chipset == __TX391X)
     80 #define IS_TX392X(t)	((t)->tc_chipset == __TX392X)
     81 #elif defined TX391X
     82 #define IS_TX391X(t)	(1)
     83 #define IS_TX392X(t)	(0)
     84 #elif defined TX392X
     85 #define IS_TX391X(t)	(0)
     86 #define IS_TX392X(t)	(1)
     87 #endif
     88 
     89 void	tx_conf_register_intr(tx_chipset_tag_t, void *);
     90 void	tx_conf_register_power(tx_chipset_tag_t, void *);
     91 void	tx_conf_register_clock(tx_chipset_tag_t, void *);
     92 void	tx_conf_register_sound(tx_chipset_tag_t, void *);
     93 void	tx_conf_register_ioman(tx_chipset_tag_t, struct hpcio_chip *);
     94 void	tx_conf_register_video(tx_chipset_tag_t, void *);
     95 
     96 /*
     97  *	TX39 Internal Function Register access
     98  */
     99 #define TX39_SYSADDR_CONFIG_REG_KSEG1	0xb0c00000
    100 #define tx_conf_read(t, reg) (						\
    101 	(*((volatile txreg_t *)(TX39_SYSADDR_CONFIG_REG_KSEG1 + (reg)))))
    102 #define tx_conf_write(t, reg, val) (					\
    103 	(*((volatile txreg_t *)(TX39_SYSADDR_CONFIG_REG_KSEG1 + (reg))) \
    104 	= (val)))
    105 
    106 /*
    107  *	txsim attach arguments. (txsim ... TX System Internal Module)
    108  */
    109 struct txsimbus_attach_args {
    110 	char *tba_busname;
    111 };
    112 
    113 /*
    114  *	txsim module attach arguments.
    115  */
    116 struct txsim_attach_args {
    117 	tx_chipset_tag_t ta_tc; /* Chipset tag */
    118 };
    119 
    120 /*
    121  *	Interrupt staff
    122  */
    123 #define MAKEINTR(s, b)	((s) * 32 + (ffs(b) - 1))
    124 void*	tx_intr_establish(tx_chipset_tag_t, int, int, int, int (*)(void *),
    125 			  void *);
    126 void	tx_intr_disestablish(tx_chipset_tag_t, void *);
    127 
    128 #ifdef USE_POLL
    129 void*	tx39_poll_establish(tx_chipset_tag_t, int, int, int (*)(void *),
    130 			    void *);
    131 void	tx39_poll_disestablish(tx_chipset_tag_t, void *);
    132 #define POLL_CONT	0
    133 #define POLL_END	1
    134 #endif /* USE_POLL */
    135 
    136 u_int32_t tx_intr_status(tx_chipset_tag_t, int);
    137 extern u_int32_t tx39intrvec;
    138 
    139 /*
    140  *	Power management staff
    141  */
    142 void tx39power_suspend_cpu(void);
    143 
    144 /*
    145  *	Debug print configration.
    146  */
    147 #define USE_HPC_DPRINTF
    148 #define __DPRINTF_EXT
    149