Merge branch 'sh/hwblk' into sh/pm-runtime

1 files changed, 70 insertions, 0 deletions

diff --git a/arch/sh/include/asm/hwblk.h b/arch/sh/include/asm/hwblk.h
new file mode 100644
index 000000000000..c01d72cb6757
--- /dev/null
+++ b/arch/sh/include/asm/hwblk.h
@@ -0,0 +1,70 @@
+#ifndef __ASM_SH_HWBLK_H
+#define __ASM_SH_HWBLK_H
+
+#include <asm/clock.h>
+#include <asm/io.h>
+
+#define HWBLK_CNT_USAGE 0
+#define HWBLK_CNT_NR 1
+
+#define HWBLK_AREA_FLAG_PARENT (1 << 0) /* valid parent */
+
+#define HWBLK_AREA(_flags, _parent)             \
+{                                               \
+        .flags = _flags,                        \
+        .parent = _parent,                      \
+}
+
+struct hwblk_area {
+        int cnt[HWBLK_CNT_NR];
+        unsigned char parent;
+        unsigned char flags;
+};
+
+#define HWBLK(_mstp, _bit, _area)               \
+{                                               \
+        .mstp = (void __iomem *)_mstp,          \
+        .bit = _bit,                            \
+        .area = _area,                          \
+}
+
+struct hwblk {
+        void __iomem *mstp;
+        unsigned char bit;
+        unsigned char area;
+        int cnt[HWBLK_CNT_NR];
+};
+
+struct hwblk_info {
+        struct hwblk_area *areas;
+        int nr_areas;
+        struct hwblk *hwblks;
+        int nr_hwblks;
+};
+
+/* Should be defined by processor-specific code */
+int arch_hwblk_init(void);
+int arch_hwblk_sleep_mode(void);
+
+int hwblk_register(struct hwblk_info *info);
+int hwblk_init(void);
+
+void hwblk_enable(struct hwblk_info *info, int hwblk);
+void hwblk_disable(struct hwblk_info *info, int hwblk);
+
+void hwblk_cnt_inc(struct hwblk_info *info, int hwblk, int cnt);
+void hwblk_cnt_dec(struct hwblk_info *info, int hwblk, int cnt);
+
+/* allow clocks to enable and disable hardware blocks */
+#define SH_HWBLK_CLK(_name, _id, _parent, _hwblk, _flags)       \
+{                                                       \
+        .name           = _name,                        \
+        .id             = _id,                          \
+        .parent         = _parent,                      \
+        .arch_flags     = _hwblk,                       \
+        .flags          = _flags,                       \
+}
+
+int sh_hwblk_clk_register(struct clk *clks, int nr);
+
+#endif /* __ASM_SH_HWBLK_H */