1 | /* |
---|
2 | * Interrupt handler Header file for PXA By Yang Xi <hiyangxi@gmail.com> |
---|
3 | * Copyright (c) 2004 by Jay Monkman <jtm@lopingdog.com> |
---|
4 | * |
---|
5 | * The license and distribution terms for this file may be |
---|
6 | * found in the file LICENSE in this distribution or at |
---|
7 | * http://www.rtems.com/license/LICENSE. |
---|
8 | * |
---|
9 | * $Id$ |
---|
10 | */ |
---|
11 | |
---|
12 | #ifndef __IRQ_H__ |
---|
13 | #define __IRQ_H__ |
---|
14 | |
---|
15 | #ifdef __cplusplus |
---|
16 | extern "C" { |
---|
17 | #endif |
---|
18 | |
---|
19 | #ifndef __asm__ |
---|
20 | |
---|
21 | /* |
---|
22 | * Include some preprocessor value also used by assember code |
---|
23 | */ |
---|
24 | |
---|
25 | #include <rtems.h> |
---|
26 | #include <pxa255.h> |
---|
27 | |
---|
28 | extern void default_int_handler(); |
---|
29 | extern void (*IRQ_table[PRIMARY_IRQS])(uint32_t vector); |
---|
30 | extern void dummy_handler(uint32_t vector); |
---|
31 | |
---|
32 | |
---|
33 | |
---|
34 | /* vector table used by shared/irq_init.c */ |
---|
35 | |
---|
36 | typedef unsigned char rtems_irq_level; |
---|
37 | typedef unsigned char rtems_irq_trigger; |
---|
38 | struct __rtems_irq_connect_data__; /* forward declaratiuon */ |
---|
39 | typedef unsigned int rtems_irq_number; |
---|
40 | typedef void (*rtems_irq_hdl) (uint32_t vector); |
---|
41 | typedef void (*rtems_irq_enable) (const struct __rtems_irq_connect_data__*); |
---|
42 | typedef void (*rtems_irq_disable) (const struct __rtems_irq_connect_data__*); |
---|
43 | typedef int (*rtems_irq_is_enabled)(const struct __rtems_irq_connect_data__*); |
---|
44 | |
---|
45 | typedef struct __rtems_irq_connect_data__ { |
---|
46 | /* IRQ line */ |
---|
47 | rtems_irq_number name; |
---|
48 | |
---|
49 | /* Handler */ |
---|
50 | rtems_irq_hdl hdl; |
---|
51 | |
---|
52 | /* function for enabling interrupts at device level. */ |
---|
53 | rtems_irq_enable on; |
---|
54 | |
---|
55 | /* function for disabling interrupts at device level. */ |
---|
56 | rtems_irq_disable off; |
---|
57 | |
---|
58 | /* Function to test if interrupt is enabled */ |
---|
59 | rtems_irq_is_enabled isOn; |
---|
60 | |
---|
61 | /* priority level of interrupt */ |
---|
62 | rtems_irq_level irqLevel; |
---|
63 | |
---|
64 | /* Trigger method (rising/falling edge or high/low level) */ |
---|
65 | rtems_irq_trigger irqTrigger; |
---|
66 | } rtems_irq_connect_data; |
---|
67 | |
---|
68 | /* |
---|
69 | * function to initialize the interrupt for a specific BSP |
---|
70 | */ |
---|
71 | void BSP_rtems_irq_mngt_init(); |
---|
72 | |
---|
73 | |
---|
74 | /* |
---|
75 | * function to connect a particular irq handler. |
---|
76 | */ |
---|
77 | int BSP_install_rtems_irq_handler (const rtems_irq_connect_data*); |
---|
78 | |
---|
79 | /* |
---|
80 | * function to get the current RTEMS irq handler for ptr->name. |
---|
81 | */ |
---|
82 | int BSP_get_current_rtems_irq_handler (rtems_irq_connect_data* ptr); |
---|
83 | |
---|
84 | /* |
---|
85 | * function to disconnect the RTEMS irq handler for ptr->name. |
---|
86 | */ |
---|
87 | int BSP_remove_rtems_irq_handler (const rtems_irq_connect_data*); |
---|
88 | |
---|
89 | #endif /* __asm__ */ |
---|
90 | |
---|
91 | #ifdef __cplusplus |
---|
92 | } |
---|
93 | #endif |
---|
94 | |
---|
95 | #endif /* __IRQ_H__ */ |
---|