diff options
Diffstat (limited to 'include/asm-avr32/intc.h')
-rw-r--r-- | include/asm-avr32/intc.h | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/include/asm-avr32/intc.h b/include/asm-avr32/intc.h deleted file mode 100644 index 1ac9ca75e8fd..000000000000 --- a/include/asm-avr32/intc.h +++ /dev/null | |||
@@ -1,128 +0,0 @@ | |||
1 | #ifndef __ASM_AVR32_INTC_H | ||
2 | #define __ASM_AVR32_INTC_H | ||
3 | |||
4 | #include <linux/sysdev.h> | ||
5 | #include <linux/interrupt.h> | ||
6 | |||
7 | struct irq_controller; | ||
8 | struct irqaction; | ||
9 | struct pt_regs; | ||
10 | |||
11 | struct platform_device; | ||
12 | |||
13 | /* Information about the internal interrupt controller */ | ||
14 | struct intc_device { | ||
15 | /* ioremapped address of configuration block */ | ||
16 | void __iomem *regs; | ||
17 | |||
18 | /* the physical device */ | ||
19 | struct platform_device *pdev; | ||
20 | |||
21 | /* Number of interrupt lines per group. */ | ||
22 | unsigned int irqs_per_group; | ||
23 | |||
24 | /* The highest group ID + 1 */ | ||
25 | unsigned int nr_groups; | ||
26 | |||
27 | /* | ||
28 | * Bitfield indicating which groups are actually in use. The | ||
29 | * size of the array is | ||
30 | * ceil(group_max / (8 * sizeof(unsigned int))). | ||
31 | */ | ||
32 | unsigned int group_mask[]; | ||
33 | }; | ||
34 | |||
35 | struct irq_controller_class { | ||
36 | /* | ||
37 | * A short name identifying this kind of controller. | ||
38 | */ | ||
39 | const char *typename; | ||
40 | /* | ||
41 | * Handle the IRQ. Must do any necessary acking and masking. | ||
42 | */ | ||
43 | irqreturn_t (*handle)(int irq, void *dev_id, struct pt_regs *regs); | ||
44 | /* | ||
45 | * Register a new IRQ handler. | ||
46 | */ | ||
47 | int (*setup)(struct irq_controller *ctrl, unsigned int irq, | ||
48 | struct irqaction *action); | ||
49 | /* | ||
50 | * Unregister a IRQ handler. | ||
51 | */ | ||
52 | void (*free)(struct irq_controller *ctrl, unsigned int irq, | ||
53 | void *dev_id); | ||
54 | /* | ||
55 | * Mask the IRQ in the interrupt controller. | ||
56 | */ | ||
57 | void (*mask)(struct irq_controller *ctrl, unsigned int irq); | ||
58 | /* | ||
59 | * Unmask the IRQ in the interrupt controller. | ||
60 | */ | ||
61 | void (*unmask)(struct irq_controller *ctrl, unsigned int irq); | ||
62 | /* | ||
63 | * Set the type of the IRQ. See below for possible types. | ||
64 | * Return -EINVAL if a given type is not supported | ||
65 | */ | ||
66 | int (*set_type)(struct irq_controller *ctrl, unsigned int irq, | ||
67 | unsigned int type); | ||
68 | /* | ||
69 | * Return the IRQ type currently set | ||
70 | */ | ||
71 | unsigned int (*get_type)(struct irq_controller *ctrl, unsigned int irq); | ||
72 | }; | ||
73 | |||
74 | struct irq_controller { | ||
75 | struct irq_controller_class *class; | ||
76 | unsigned int irq_group; | ||
77 | unsigned int first_irq; | ||
78 | unsigned int nr_irqs; | ||
79 | struct list_head list; | ||
80 | }; | ||
81 | |||
82 | struct intc_group_desc { | ||
83 | struct irq_controller *ctrl; | ||
84 | irqreturn_t (*handle)(int, void *, struct pt_regs *); | ||
85 | unsigned long flags; | ||
86 | void *dev_id; | ||
87 | const char *devname; | ||
88 | }; | ||
89 | |||
90 | /* | ||
91 | * The internal interrupt controller. Defined in board/part-specific | ||
92 | * devices.c. | ||
93 | * TODO: Should probably be defined per-cpu. | ||
94 | */ | ||
95 | extern struct intc_device intc; | ||
96 | |||
97 | extern int request_internal_irq(unsigned int irq, | ||
98 | irqreturn_t (*handler)(int, void *, struct pt_regs *), | ||
99 | unsigned long irqflags, | ||
100 | const char *devname, void *dev_id); | ||
101 | extern void free_internal_irq(unsigned int irq); | ||
102 | |||
103 | /* Only used by time_init() */ | ||
104 | extern int setup_internal_irq(unsigned int irq, struct intc_group_desc *desc); | ||
105 | |||
106 | /* | ||
107 | * Set interrupt priority for a given group. `group' can be found by | ||
108 | * using irq_to_group(irq). Priority can be from 0 (lowest) to 3 | ||
109 | * (highest). Higher-priority interrupts will preempt lower-priority | ||
110 | * interrupts (unless interrupts are masked globally). | ||
111 | * | ||
112 | * This function does not check for conflicts within a group. | ||
113 | */ | ||
114 | extern int intc_set_priority(unsigned int group, | ||
115 | unsigned int priority); | ||
116 | |||
117 | /* | ||
118 | * Returns a bitmask of pending interrupts in a group. | ||
119 | */ | ||
120 | extern unsigned long intc_get_pending(unsigned int group); | ||
121 | |||
122 | /* | ||
123 | * Register a new external interrupt controller. Returns the first | ||
124 | * external IRQ number that is assigned to the new controller. | ||
125 | */ | ||
126 | extern int intc_register_controller(struct irq_controller *ctrl); | ||
127 | |||
128 | #endif /* __ASM_AVR32_INTC_H */ | ||