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authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-01 10:53:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-01 10:53:43 -0700
commit00e9028a95fb8a4d79f2fb695a853f33ea7d3b57 (patch)
tree2dea2ae498a6ce57de8890e87185aca5e9f3ad2d /arch/sh/include/asm/hw_irq.h
parent57b1494d2ba544c62673234da6115c21fac27ffc (diff)
parent7cb93181629c613ee2b8f4ffe3446f8003074842 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (28 commits) mm/hugetlb.c must #include <asm/io.h> video: Fix up hp6xx driver build regressions. sh: defconfig updates. sh: Kill off stray mach-rsk7203 reference. serial: sh-sci: Fix up SH7760/SH7780/SH7785 early printk regression. sh: Move out individual boards without mach groups. sh: Make sure AT_SYSINFO_EHDR is exposed to userspace in asm/auxvec.h. sh: Allow SH-3 and SH-5 to use common headers. sh: Provide common CPU headers, prune the SH-2 and SH-2A directories. sh/maple: clean maple bus code sh: More header path fixups for mach dir refactoring. sh: Move out the solution engine headers to arch/sh/include/mach-se/ sh: I2C fix for AP325RXA and Migo-R sh: Shuffle the board directories in to mach groups. sh: dma-sh: Fix up dreamcast dma.h mach path. sh: Switch KBUILD_DEFCONFIG to shx3_defconfig. sh: Add ARCH_DEFCONFIG entries for sh and sh64. sh: Fix compile error of Solution Engine sh: Proper __put_user_asm() size mismatch fix. sh: Stub in a dummy ENTRY_OFFSET for uImage offset calculation. ...
Diffstat (limited to 'arch/sh/include/asm/hw_irq.h')
-rw-r--r--arch/sh/include/asm/hw_irq.h123
1 files changed, 123 insertions, 0 deletions
diff --git a/arch/sh/include/asm/hw_irq.h b/arch/sh/include/asm/hw_irq.h
new file mode 100644
index 00000000000..d557b00111b
--- /dev/null
+++ b/arch/sh/include/asm/hw_irq.h
@@ -0,0 +1,123 @@
+#ifndef __ASM_SH_HW_IRQ_H
+#define __ASM_SH_HW_IRQ_H
+
+#include <linux/init.h>
+#include <asm/atomic.h>
+
+extern atomic_t irq_err_count;
+
+struct ipr_data {
+ unsigned char irq;
+ unsigned char ipr_idx; /* Index for the IPR registered */
+ unsigned char shift; /* Number of bits to shift the data */
+ unsigned char priority; /* The priority */
+};
+
+struct ipr_desc {
+ unsigned long *ipr_offsets;
+ unsigned int nr_offsets;
+ struct ipr_data *ipr_data;
+ unsigned int nr_irqs;
+ struct irq_chip chip;
+};
+
+void register_ipr_controller(struct ipr_desc *);
+
+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_mask_reg {
+ unsigned long set_reg, clr_reg, reg_width;
+ intc_enum enum_ids[32];
+#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_SMP
+#define INTC_SMP(stride, nr) .smp = (stride) | ((nr) << 8)
+#else
+#define INTC_SMP(stride, nr)
+#endif
+
+struct intc_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;
+ char *name;
+#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
+ struct intc_mask_reg *ack_regs;
+ unsigned int nr_ack_regs;
+#endif
+};
+
+#define _INTC_ARRAY(a) a, sizeof(a)/sizeof(*a)
+#define DECLARE_INTC_DESC(symbol, chipname, vectors, groups, \
+ mask_regs, prio_regs, sense_regs) \
+struct intc_desc symbol __initdata = { \
+ _INTC_ARRAY(vectors), _INTC_ARRAY(groups), \
+ _INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs), \
+ _INTC_ARRAY(sense_regs), \
+ chipname, \
+}
+
+#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
+#define DECLARE_INTC_DESC_ACK(symbol, chipname, vectors, groups, \
+ mask_regs, prio_regs, sense_regs, ack_regs) \
+struct intc_desc symbol __initdata = { \
+ _INTC_ARRAY(vectors), _INTC_ARRAY(groups), \
+ _INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs), \
+ _INTC_ARRAY(sense_regs), \
+ chipname, \
+ _INTC_ARRAY(ack_regs), \
+}
+#endif
+
+void __init register_intc_controller(struct intc_desc *desc);
+int intc_set_priority(unsigned int irq, unsigned int prio);
+
+void __init plat_irq_setup(void);
+#ifdef CONFIG_CPU_SH3
+void __init plat_irq_setup_sh3(void);
+#endif
+
+enum { IRQ_MODE_IRQ, IRQ_MODE_IRQ7654, IRQ_MODE_IRQ3210,
+ IRQ_MODE_IRL7654_MASK, IRQ_MODE_IRL3210_MASK,
+ IRQ_MODE_IRL7654, IRQ_MODE_IRL3210 };
+void __init plat_irq_setup_pins(int mode);
+
+#endif /* __ASM_SH_HW_IRQ_H */