projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| bbfbd8b1 PM |
1 | #ifndef __SH_INTC_H |
| 2 | #define __SH_INTC_H | |
| 3 | ||
| 4 | typedef unsigned char intc_enum; | |
| 5 | ||
| 6 | struct intc_vect { | |
| 7 | intc_enum enum_id; | |
| 8 | unsigned short vect; | |
| 9 | }; | |
| 10 | ||
| 11 | #define INTC_VECT(enum_id, vect) { enum_id, vect } | |
| 12 | #define INTC_IRQ(enum_id, irq) INTC_VECT(enum_id, irq2evt(irq)) | |
| 13 | ||
| 14 | struct intc_group { | |
| 15 | intc_enum enum_id; | |
| 16 | intc_enum enum_ids[32]; | |
| 17 | }; | |
| 18 | ||
| 19 | #define INTC_GROUP(enum_id, ids...) { enum_id, { ids } } | |
| 20 | ||
| 21 | struct intc_mask_reg { | |
| 22 | unsigned long set_reg, clr_reg, reg_width; | |
| 23 | intc_enum enum_ids[32]; | |
| 24 | #ifdef CONFIG_SMP | |
| 25 | unsigned long smp; | |
| 26 | #endif | |
| 27 | }; | |
| 28 | ||
| 29 | struct intc_prio_reg { | |
| 30 | unsigned long set_reg, clr_reg, reg_width, field_width; | |
| 31 | intc_enum enum_ids[16]; | |
| 32 | #ifdef CONFIG_SMP | |
| 33 | unsigned long smp; | |
| 34 | #endif | |
| 35 | }; | |
| 36 | ||
| 37 | struct intc_sense_reg { | |
| 38 | unsigned long reg, reg_width, field_width; | |
| 39 | intc_enum enum_ids[16]; | |
| 40 | }; | |
| 41 | ||
| 42 | #ifdef CONFIG_SMP | |
| 43 | #define INTC_SMP(stride, nr) .smp = (stride) | ((nr) << 8) | |
| 44 | #else | |
| 45 | #define INTC_SMP(stride, nr) | |
| 46 | #endif | |
| 47 | ||
| 48 | struct intc_desc { | |
| 49 | struct intc_vect *vectors; | |
| 50 | unsigned int nr_vectors; | |
| 51 | struct intc_group *groups; | |
| 52 | unsigned int nr_groups; | |
| 53 | struct intc_mask_reg *mask_regs; | |
| 54 | unsigned int nr_mask_regs; | |
| 55 | struct intc_prio_reg *prio_regs; | |
| 56 | unsigned int nr_prio_regs; | |
| 57 | struct intc_sense_reg *sense_regs; | |
| 58 | unsigned int nr_sense_regs; | |
| 59 | char *name; | |
| 60 | #if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A) | |
| 61 | struct intc_mask_reg *ack_regs; | |
| 62 | unsigned int nr_ack_regs; | |
| 63 | #endif | |
| 64 | }; | |
| 65 | ||
| 66 | #define _INTC_ARRAY(a) a, sizeof(a)/sizeof(*a) | |
| 67 | #define DECLARE_INTC_DESC(symbol, chipname, vectors, groups, \ | |
| 68 | mask_regs, prio_regs, sense_regs) \ | |
| 69 | struct intc_desc symbol __initdata = { \ | |
| 70 | _INTC_ARRAY(vectors), _INTC_ARRAY(groups), \ | |
| 71 | _INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs), \ | |
| 72 | _INTC_ARRAY(sense_regs), \ | |
| 73 | chipname, \ | |
| 74 | } | |
| 75 | ||
| 76 | #if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A) | |
| 77 | #define DECLARE_INTC_DESC_ACK(symbol, chipname, vectors, groups, \ | |
| 78 | mask_regs, prio_regs, sense_regs, ack_regs) \ | |
| 79 | struct intc_desc symbol __initdata = { \ | |
| 80 | _INTC_ARRAY(vectors), _INTC_ARRAY(groups), \ | |
| 81 | _INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs), \ | |
| 82 | _INTC_ARRAY(sense_regs), \ | |
| 83 | chipname, \ | |
| 84 | _INTC_ARRAY(ack_regs), \ | |
| 85 | } | |
| 86 | #endif | |
| 87 | ||
| 88 | void __init register_intc_controller(struct intc_desc *desc); | |
| 89 | int intc_set_priority(unsigned int irq, unsigned int prio); | |
| 90 | ||
| 91 | #endif /* __SH_INTC_H */ |