1 /*        $NetBSD: ep93xxvar.h,v 1.7 2023/05/02 09:49:33 jmcneill Exp $ */
2 /*
3  * Copyright (c) 2004 Jesse Off
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
19  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 #ifndef _EP93XXVAR_H_
29 #define _EP93XXVAR_H_
30 
31 #include <sys/conf.h>
32 #include <sys/device.h>
33 #include <sys/queue.h>
34 
35 #include <sys/bus.h>
36 
37 struct intrhand {
38           TAILQ_ENTRY(intrhand) ih_list;          /* link on intrq list */
39           int (*ih_func)(void *);                 /* interrupt handler */
40           void *ih_arg;                           /* arg for handler */
41           int ih_ipl;                             /* IPL_* */
42           int ih_irq;                             /* IRQ number */
43 };
44 
45 #define   IRQNAMESIZE         sizeof("ep93xxintr irq xxx")
46 
47 struct intrq {
48           TAILQ_HEAD(, intrhand) iq_list;         /* handler list */
49           struct evcnt iq_ev;           /* event counter */
50           uint32_t iq_vic1_mask;                  /* VIC1 IRQs to mask while handling */
51           uint32_t iq_vic2_mask;                  /* VIC2 IRQs to mask while handling */
52           uint32_t iq_levels;           /* IPL_*'s this IRQ has */
53           char iq_name[IRQNAMESIZE];    /* interrupt name */
54           int iq_ist;                             /* share type */
55 };
56 
57 struct pmap_ent {
58           const char*         msg;
59           vaddr_t             va;
60           paddr_t             pa;
61           vsize_t             sz;
62           int                 prot;
63           int                 cache;
64 };
65 
66 extern struct bus_space       ep93xx_bs_tag;
67 extern struct arm32_bus_dma_tag ep93xx_bus_dma;
68 
69 void      ep93xx_intr_init(void);
70 void      *ep93xx_intr_establish(int irq, int ipl, int (*)(void *), void *);
71 void      ep93xx_intr_disestablish(void *);
72 void      ep93xx_intr_evcnt_attach(void);
73 /* Platform needs to provide this */
74 bus_dma_tag_t ep93xx_bus_dma_init(struct arm32_bus_dma_tag *);
75 void      ep93xx_reset(void);
76 
77 #endif /* _EP93XXVAR_H_ */
78