mirror of
https://github.com/team-infusion-developers/android_kernel_samsung_msm8976.git
synced 2024-10-04 10:50:58 +00:00
1b06428ee5
This patch converts the cpu specific 7722 setup code to use the new intc controller. Many new vectors are added and also support for external interrupt sense configuration. So with this patch it is now possible to configure external interrupt pins as edge or level triggered using set_irq_type(). Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
118 lines
2.6 KiB
C
118 lines
2.6 KiB
C
#ifndef __ASM_SH_HW_IRQ_H
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#define __ASM_SH_HW_IRQ_H
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#include <linux/init.h>
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#include <asm/atomic.h>
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extern atomic_t irq_err_count;
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struct intc2_data {
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unsigned short irq;
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unsigned char ipr_offset, ipr_shift;
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unsigned char msk_offset, msk_shift;
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unsigned char priority;
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};
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struct intc2_desc {
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unsigned long prio_base;
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unsigned long msk_base;
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unsigned long mskclr_base;
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struct intc2_data *intc2_data;
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unsigned int nr_irqs;
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struct irq_chip chip;
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};
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void register_intc2_controller(struct intc2_desc *);
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void init_IRQ_intc2(void);
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struct ipr_data {
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unsigned char irq;
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unsigned char ipr_idx; /* Index for the IPR registered */
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unsigned char shift; /* Number of bits to shift the data */
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unsigned char priority; /* The priority */
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};
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struct ipr_desc {
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unsigned long *ipr_offsets;
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unsigned int nr_offsets;
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struct ipr_data *ipr_data;
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unsigned int nr_irqs;
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struct irq_chip chip;
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};
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void register_ipr_controller(struct ipr_desc *);
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void init_IRQ_ipr(void);
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/*
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* Enable individual interrupt mode for external IPR IRQs.
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*/
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void ipr_irq_enable_irlm(void);
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typedef unsigned char intc_enum;
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struct intc_vect {
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intc_enum enum_id;
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unsigned short vect;
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};
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#define INTC_VECT(enum_id, vect) { enum_id, vect }
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struct intc_prio {
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intc_enum enum_id;
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unsigned char priority;
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};
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#define INTC_PRIO(enum_id, prio) { enum_id, prio }
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struct intc_group {
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intc_enum enum_id;
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intc_enum *enum_ids;
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};
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#define INTC_GROUP(enum_id, ids...) { enum_id, (intc_enum []) { ids, 0 } }
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struct intc_mask_reg {
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unsigned long set_reg, clr_reg, reg_width;
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intc_enum enum_ids[32];
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};
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struct intc_prio_reg {
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unsigned long reg, reg_width, field_width;
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intc_enum enum_ids[16];
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};
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struct intc_sense_reg {
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unsigned long reg, reg_width, field_width;
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intc_enum enum_ids[16];
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};
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struct intc_desc {
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struct intc_vect *vectors;
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unsigned int nr_vectors;
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struct intc_group *groups;
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unsigned int nr_groups;
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struct intc_prio *priorities;
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unsigned int nr_priorities;
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struct intc_mask_reg *mask_regs;
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unsigned int nr_mask_regs;
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struct intc_prio_reg *prio_regs;
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unsigned int nr_prio_regs;
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struct intc_sense_reg *sense_regs;
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unsigned int nr_sense_regs;
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struct irq_chip chip;
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};
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#define _INTC_ARRAY(a) a, sizeof(a)/sizeof(*a)
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#define DECLARE_INTC_DESC(symbol, chipname, vectors, groups, \
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priorities, mask_regs, prio_regs, sense_regs) \
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struct intc_desc symbol = { \
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_INTC_ARRAY(vectors), _INTC_ARRAY(groups), \
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_INTC_ARRAY(priorities), \
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_INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs), \
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_INTC_ARRAY(sense_regs), \
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.chip.name = chipname, \
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}
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void __init register_intc_controller(struct intc_desc *desc);
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#endif /* __ASM_SH_HW_IRQ_H */
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