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      1 /*	$NetBSD: tx39var.h,v 1.14 2008/04/28 20:23:22 martin 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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include "opt_use_poll.h"
     33 
     34 enum tx_chipset {
     35 	__TX391X,
     36 	__TX392X,
     37 };
     38 
     39 /* attach priority of TX-internal modules. */
     40 enum tx_attach_order {
     41 	ATTACH_FIRST	= 3,
     42 	ATTACH_NORMAL	= 2,
     43 	ATTACH_LAST	= 1,
     44 };
     45 
     46 /* unified I/O manager */
     47 enum txio_group {
     48 	MFIO = 0,
     49 	IO,
     50 	BETTY,
     51 	SNOWBALL,
     52 	PLUM,
     53 	NTXIO_GROUP
     54 };
     55 
     56 struct hpcio_chip;
     57 
     58 struct tx_chipset_tag {
     59 	enum tx_chipset tc_chipset;
     60 	void *tc_intrt;  /* interrupt tag */
     61 	void *tc_powert; /* power tag */
     62 	void *tc_clockt; /* clock/timer tag */
     63 	void *tc_soundt; /* sound tag */
     64 	struct hpcio_chip *tc_iochip[NTXIO_GROUP];
     65 	void *tc_videot; /* video chip tag */
     66 };
     67 
     68 typedef struct tx_chipset_tag* tx_chipset_tag_t __attribute__((__unused__));
     69 typedef u_int32_t txreg_t;
     70 extern struct tx_chipset_tag tx_chipset;
     71 #define tx_conf_get_tag() (&tx_chipset)
     72 
     73 #if defined TX391X && defined TX392X
     74 #define IS_TX391X(t)	((t)->tc_chipset == __TX391X)
     75 #define IS_TX392X(t)	((t)->tc_chipset == __TX392X)
     76 #elif defined TX391X
     77 #define IS_TX391X(t)	(1)
     78 #define IS_TX392X(t)	(0)
     79 #elif defined TX392X
     80 #define IS_TX391X(t)	(0)
     81 #define IS_TX392X(t)	(1)
     82 #endif
     83 
     84 void	tx_conf_register_intr(tx_chipset_tag_t, void *);
     85 void	tx_conf_register_power(tx_chipset_tag_t, void *);
     86 void	tx_conf_register_clock(tx_chipset_tag_t, void *);
     87 void	tx_conf_register_sound(tx_chipset_tag_t, void *);
     88 void	tx_conf_register_ioman(tx_chipset_tag_t, struct hpcio_chip *);
     89 void	tx_conf_register_video(tx_chipset_tag_t, void *);
     90 
     91 /*
     92  *	TX39 Internal Function Register access
     93  */
     94 #define TX39_SYSADDR_CONFIG_REG_KSEG1	0xb0c00000
     95 #define tx_conf_read(t, reg) (						\
     96 	(*((volatile txreg_t *)(TX39_SYSADDR_CONFIG_REG_KSEG1 + (reg)))))
     97 #define tx_conf_write(t, reg, val) (					\
     98 	(*((volatile txreg_t *)(TX39_SYSADDR_CONFIG_REG_KSEG1 + (reg))) \
     99 	= (val)))
    100 
    101 /*
    102  *	txsim attach arguments. (txsim ... TX System Internal Module)
    103  */
    104 struct txsimbus_attach_args {
    105 	char *tba_busname;
    106 };
    107 
    108 /*
    109  *	txsim module attach arguments.
    110  */
    111 struct txsim_attach_args {
    112 	tx_chipset_tag_t ta_tc; /* Chipset tag */
    113 };
    114 
    115 /*
    116  *	Interrupt staff
    117  */
    118 #define MAKEINTR(s, b)	((s) * 32 + (ffs(b) - 1))
    119 void*	tx_intr_establish(tx_chipset_tag_t, int, int, int, int (*)(void *),
    120 			  void *);
    121 void	tx_intr_disestablish(tx_chipset_tag_t, void *);
    122 
    123 #ifdef USE_POLL
    124 void*	tx39_poll_establish(tx_chipset_tag_t, int, int, int (*)(void *),
    125 			    void *);
    126 void	tx39_poll_disestablish(tx_chipset_tag_t, void *);
    127 #define POLL_CONT	0
    128 #define POLL_END	1
    129 #endif /* USE_POLL */
    130 
    131 u_int32_t tx_intr_status(tx_chipset_tag_t, int);
    132 extern u_int32_t tx39intrvec;
    133 
    134 /*
    135  *	Power management staff
    136  */
    137 void tx39power_suspend_cpu(void);
    138 
    139 /*
    140  *	Debug print configuration.
    141  */
    142 #define USE_HPC_DPRINTF
    143 #define __DPRINTF_EXT
    144