1 #ifndef __SH_INTC_H 2 #define __SH_INTC_H 3 4 #include <linux/ioport.h> 5 6 typedef unsigned char intc_enum; 7 8 struct intc_vect { 9 intc_enum enum_id; 10 unsigned short vect; 11 }; 12 13 #define INTC_VECT(enum_id, vect) { enum_id, vect } 14 #define INTC_IRQ(enum_id, irq) INTC_VECT(enum_id, irq2evt(irq)) 15 16 struct intc_group { 17 intc_enum enum_id; 18 intc_enum enum_ids[32]; 19 }; 20 21 #define INTC_GROUP(enum_id, ids...) { enum_id, { ids } } 22 23 struct intc_subgroup { 24 unsigned long reg, reg_width; 25 intc_enum parent_id; 26 intc_enum enum_ids[32]; 27 }; 28 29 struct intc_mask_reg { 30 unsigned long set_reg, clr_reg, reg_width; 31 intc_enum enum_ids[32]; 32 #ifdef CONFIG_INTC_BALANCING 33 unsigned long dist_reg; 34 #endif 35 #ifdef CONFIG_SMP 36 unsigned long smp; 37 #endif 38 }; 39 40 struct intc_prio_reg { 41 unsigned long set_reg, clr_reg, reg_width, field_width; 42 intc_enum enum_ids[16]; 43 #ifdef CONFIG_SMP 44 unsigned long smp; 45 #endif 46 }; 47 48 struct intc_sense_reg { 49 unsigned long reg, reg_width, field_width; 50 intc_enum enum_ids[16]; 51 }; 52 53 #ifdef CONFIG_INTC_BALANCING 54 #define INTC_SMP_BALANCING(reg) .dist_reg = (reg) 55 #else 56 #define INTC_SMP_BALANCING(reg) 57 #endif 58 59 #ifdef CONFIG_SMP 60 #define INTC_SMP(stride, nr) .smp = (stride) | ((nr) << 8) 61 #else 62 #define INTC_SMP(stride, nr) 63 #endif 64 65 struct intc_hw_desc { 66 struct intc_vect *vectors; 67 unsigned int nr_vectors; 68 struct intc_group *groups; 69 unsigned int nr_groups; 70 struct intc_mask_reg *mask_regs; 71 unsigned int nr_mask_regs; 72 struct intc_prio_reg *prio_regs; 73 unsigned int nr_prio_regs; 74 struct intc_sense_reg *sense_regs; 75 unsigned int nr_sense_regs; 76 struct intc_mask_reg *ack_regs; 77 unsigned int nr_ack_regs; 78 struct intc_subgroup *subgroups; 79 unsigned int nr_subgroups; 80 }; 81 82 #define _INTC_ARRAY(a) a, __same_type(a, NULL) ? 0 : sizeof(a)/sizeof(*a) 83 84 #define INTC_HW_DESC(vectors, groups, mask_regs, \ 85 prio_regs, sense_regs, ack_regs) \ 86 { \ 87 _INTC_ARRAY(vectors), _INTC_ARRAY(groups), \ 88 _INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs), \ 89 _INTC_ARRAY(sense_regs), _INTC_ARRAY(ack_regs), \ 90 } 91 92 struct intc_desc { 93 char *name; 94 struct resource *resource; 95 unsigned int num_resources; 96 intc_enum force_enable; 97 intc_enum force_disable; 98 bool skip_syscore_suspend; 99 struct intc_hw_desc hw; 100 }; 101 102 #define DECLARE_INTC_DESC(symbol, chipname, vectors, groups, \ 103 mask_regs, prio_regs, sense_regs) \ 104 struct intc_desc symbol __initdata = { \ 105 .name = chipname, \ 106 .hw = INTC_HW_DESC(vectors, groups, mask_regs, \ 107 prio_regs, sense_regs, NULL), \ 108 } 109 110 #define DECLARE_INTC_DESC_ACK(symbol, chipname, vectors, groups, \ 111 mask_regs, prio_regs, sense_regs, ack_regs) \ 112 struct intc_desc symbol __initdata = { \ 113 .name = chipname, \ 114 .hw = INTC_HW_DESC(vectors, groups, mask_regs, \ 115 prio_regs, sense_regs, ack_regs), \ 116 } 117 118 int register_intc_controller(struct intc_desc *desc); 119 void reserve_intc_vectors(struct intc_vect *vectors, unsigned int nr_vecs); 120 int intc_set_priority(unsigned int irq, unsigned int prio); 121 int intc_irq_lookup(const char *chipname, intc_enum enum_id); 122 void intc_finalize(void); 123 124 #ifdef CONFIG_INTC_USERIMASK 125 int register_intc_userimask(unsigned long addr); 126 #else 127 static inline int register_intc_userimask(unsigned long addr) 128 { 129 return 0; 130 } 131 #endif 132 133 #endif /* __SH_INTC_H */ 134