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Diffstat (limited to 'drivers/video/sh_mobile_meram.h')
-rw-r--r--drivers/video/sh_mobile_meram.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/video/sh_mobile_meram.h b/drivers/video/sh_mobile_meram.h
new file mode 100644
index 000000000000..82c54fbce8bd
--- /dev/null
+++ b/drivers/video/sh_mobile_meram.h
@@ -0,0 +1,41 @@
+#ifndef __sh_mobile_meram_h__
+#define __sh_mobile_meram_h__
+
+#include <linux/mutex.h>
+#include <video/sh_mobile_meram.h>
+
+/*
+ * MERAM private
+ */
+
+#define MERAM_ICB_Y 0x1
+#define MERAM_ICB_C 0x2
+
+/* MERAM cache size */
+#define SH_MOBILE_MERAM_ICB_NUM 32
+
+#define SH_MOBILE_MERAM_CACHE_OFFSET(p) ((p) >> 16)
+#define SH_MOBILE_MERAM_CACHE_SIZE(p) ((p) & 0xffff)
+
+struct sh_mobile_meram_priv {
+ void __iomem *base;
+ struct mutex lock;
+ unsigned long used_icb;
+ int used_meram_cache_regions;
+ unsigned long used_meram_cache[SH_MOBILE_MERAM_ICB_NUM];
+};
+
+int sh_mobile_meram_alloc_icb(const struct sh_mobile_meram_cfg *cfg,
+ int xres,
+ int yres,
+ unsigned int base_addr,
+ int yuv_mode,
+ int *marker_icb,
+ int *out_pitch);
+
+void sh_mobile_meram_free_icb(int marker_icb);
+
+#define SH_MOBILE_MERAM_START(ind, ab) \
+ (0xC0000000 | ((ab & 0x1) << 23) | ((ind & 0x1F) << 24))
+
+#endif /* !__sh_mobile_meram_h__ */