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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154/* SPDX-License-Identifier: GPL-2.0 */#ifndef __SH_INTC_H#define __SH_INTC_H
#include <linux/ioport.h>
#ifdef CONFIG_SUPERH#define INTC_NR_IRQS 512#else#define INTC_NR_IRQS 1024#endif
/* * Convert back and forth between INTEVT and IRQ values. */#ifdef CONFIG_CPU_HAS_INTEVT /* Avoid IRQ0 (invalid for platform devices) */#define evt2irq(evt) ((evt) >> 5)#define irq2evt(irq) ((irq) << 5)#else#define evt2irq(evt) (evt)#define irq2evt(irq) (irq)#endif
typedef unsigned char intc_enum;
struct intc_vect { intc_enum enum_id; unsigned short vect;};
#define INTC_VECT(enum_id, vect) { enum_id, vect }#define INTC_IRQ(enum_id, irq) INTC_VECT(enum_id, irq2evt(irq))
struct intc_group { intc_enum enum_id; intc_enum enum_ids[32];};
#define INTC_GROUP(enum_id, ids...) { enum_id, { ids } }
struct intc_subgroup { unsigned long reg, reg_width; intc_enum parent_id; intc_enum enum_ids[32];};
struct intc_mask_reg { unsigned long set_reg, clr_reg, reg_width; intc_enum enum_ids[32];#ifdef CONFIG_INTC_BALANCING unsigned long dist_reg;#endif#ifdef CONFIG_SMP unsigned long smp;#endif};
struct intc_prio_reg { unsigned long set_reg, clr_reg, reg_width, field_width; intc_enum enum_ids[16];#ifdef CONFIG_SMP unsigned long smp;#endif};
struct intc_sense_reg { unsigned long reg, reg_width, field_width; intc_enum enum_ids[16];};
#ifdef CONFIG_INTC_BALANCING#define INTC_SMP_BALANCING(reg) .dist_reg = (reg)#else#define INTC_SMP_BALANCING(reg)#endif
#ifdef CONFIG_SMP#define INTC_SMP(stride, nr) .smp = (stride) | ((nr) << 8)#else#define INTC_SMP(stride, nr)#endif
struct intc_hw_desc { struct intc_vect *vectors; unsigned int nr_vectors; struct intc_group *groups; unsigned int nr_groups; struct intc_mask_reg *mask_regs; unsigned int nr_mask_regs; struct intc_prio_reg *prio_regs; unsigned int nr_prio_regs; struct intc_sense_reg *sense_regs; unsigned int nr_sense_regs; struct intc_mask_reg *ack_regs; unsigned int nr_ack_regs; struct intc_subgroup *subgroups; unsigned int nr_subgroups;};
#define _INTC_SIZEOF_OR_ZERO(a) (_Generic(a, \ typeof(NULL): 0, \ default: sizeof(a)))#define _INTC_ARRAY(a) a, _INTC_SIZEOF_OR_ZERO(a)/sizeof(*a)
#define INTC_HW_DESC(vectors, groups, mask_regs, \ prio_regs, sense_regs, ack_regs) \{ \ _INTC_ARRAY(vectors), _INTC_ARRAY(groups), \ _INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs), \ _INTC_ARRAY(sense_regs), _INTC_ARRAY(ack_regs), \}
struct intc_desc { char *name; struct resource *resource; unsigned int num_resources; intc_enum force_enable; intc_enum force_disable; bool skip_syscore_suspend; struct intc_hw_desc hw;};
#define DECLARE_INTC_DESC(symbol, chipname, vectors, groups, \ mask_regs, prio_regs, sense_regs) \struct intc_desc symbol __initdata = { \ .name = chipname, \ .hw = INTC_HW_DESC(vectors, groups, mask_regs, \ prio_regs, sense_regs, NULL), \}
#define DECLARE_INTC_DESC_ACK(symbol, chipname, vectors, groups, \ mask_regs, prio_regs, sense_regs, ack_regs) \struct intc_desc symbol __initdata = { \ .name = chipname, \ .hw = INTC_HW_DESC(vectors, groups, mask_regs, \ prio_regs, sense_regs, ack_regs), \}
int register_intc_controller(struct intc_desc *desc);int intc_set_priority(unsigned int irq, unsigned int prio);int intc_irq_lookup(const char *chipname, intc_enum enum_id);void intc_finalize(void);
#ifdef CONFIG_INTC_USERIMASKint register_intc_userimask(unsigned long addr);#elsestatic inline int register_intc_userimask(unsigned long addr){ return 0;}#endif
#endif /* __SH_INTC_H */