xref: /OK3568_Linux_fs/kernel/arch/sh/include/asm/hw_irq.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef __ASM_SH_HW_IRQ_H
3*4882a593Smuzhiyun #define __ASM_SH_HW_IRQ_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #include <linux/init.h>
6*4882a593Smuzhiyun #include <linux/sh_intc.h>
7*4882a593Smuzhiyun #include <linux/atomic.h>
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun extern atomic_t irq_err_count;
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun struct ipr_data {
12*4882a593Smuzhiyun 	unsigned char irq;
13*4882a593Smuzhiyun 	unsigned char ipr_idx;		/* Index for the IPR registered */
14*4882a593Smuzhiyun 	unsigned char shift;		/* Number of bits to shift the data */
15*4882a593Smuzhiyun 	unsigned char priority;		/* The priority */
16*4882a593Smuzhiyun };
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun struct ipr_desc {
19*4882a593Smuzhiyun 	unsigned long *ipr_offsets;
20*4882a593Smuzhiyun 	unsigned int nr_offsets;
21*4882a593Smuzhiyun 	struct ipr_data *ipr_data;
22*4882a593Smuzhiyun 	unsigned int nr_irqs;
23*4882a593Smuzhiyun 	struct irq_chip chip;
24*4882a593Smuzhiyun };
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun void register_ipr_controller(struct ipr_desc *);
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun void __init plat_irq_setup(void);
29*4882a593Smuzhiyun void __init plat_irq_setup_sh3(void);
30*4882a593Smuzhiyun void __init plat_irq_setup_pins(int mode);
31*4882a593Smuzhiyun 
32*4882a593Smuzhiyun enum { IRQ_MODE_IRQ, IRQ_MODE_IRQ7654, IRQ_MODE_IRQ3210,
33*4882a593Smuzhiyun        IRQ_MODE_IRL7654_MASK, IRQ_MODE_IRL3210_MASK,
34*4882a593Smuzhiyun        IRQ_MODE_IRL7654, IRQ_MODE_IRL3210 };
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun #endif /* __ASM_SH_HW_IRQ_H */
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