Initial import

1 files changed, 94 insertions, 0 deletions

diff --git a/include/video/sh_mobile_meram.h b/include/video/sh_mobile_meram.h
new file mode 100644
index 000000000..062e6e7f9
--- /dev/null
+++ b/include/video/sh_mobile_meram.h
@@ -0,0 +1,94 @@
+#ifndef __VIDEO_SH_MOBILE_MERAM_H__
+#define __VIDEO_SH_MOBILE_MERAM_H__
+
+/* For sh_mobile_meram_info.addr_mode */
+enum {
+	SH_MOBILE_MERAM_MODE0 = 0,
+	SH_MOBILE_MERAM_MODE1
+};
+
+enum {
+	SH_MOBILE_MERAM_PF_NV = 0,
+	SH_MOBILE_MERAM_PF_RGB,
+	SH_MOBILE_MERAM_PF_NV24
+};
+
+
+struct sh_mobile_meram_priv;
+
+/*
+ * struct sh_mobile_meram_info - MERAM platform data
+ * @reserved_icbs: Bitmask of reserved ICBs (for instance used through UIO)
+ */
+struct sh_mobile_meram_info {
+	int				addr_mode;
+	u32				reserved_icbs;
+	struct sh_mobile_meram_priv	*priv;
+	struct platform_device		*pdev;
+};
+
+/* icb config */
+struct sh_mobile_meram_icb_cfg {
+	unsigned int meram_size;	/* MERAM Buffer Size to use */
+};
+
+struct sh_mobile_meram_cfg {
+	struct sh_mobile_meram_icb_cfg icb[2];
+};
+
+#if defined(CONFIG_FB_SH_MOBILE_MERAM) || \
+    defined(CONFIG_FB_SH_MOBILE_MERAM_MODULE)
+unsigned long sh_mobile_meram_alloc(struct sh_mobile_meram_info *meram_dev,
+				    size_t size);
+void sh_mobile_meram_free(struct sh_mobile_meram_info *meram_dev,
+			  unsigned long mem, size_t size);
+void *sh_mobile_meram_cache_alloc(struct sh_mobile_meram_info *dev,
+				  const struct sh_mobile_meram_cfg *cfg,
+				  unsigned int xres, unsigned int yres,
+				  unsigned int pixelformat,
+				  unsigned int *pitch);
+void sh_mobile_meram_cache_free(struct sh_mobile_meram_info *dev, void *data);
+void sh_mobile_meram_cache_update(struct sh_mobile_meram_info *dev, void *data,
+				  unsigned long base_addr_y,
+				  unsigned long base_addr_c,
+				  unsigned long *icb_addr_y,
+				  unsigned long *icb_addr_c);
+#else
+static inline unsigned long
+sh_mobile_meram_alloc(struct sh_mobile_meram_info *meram_dev, size_t size)
+{
+	return 0;
+}
+
+static inline void
+sh_mobile_meram_free(struct sh_mobile_meram_info *meram_dev,
+		     unsigned long mem, size_t size)
+{
+}
+
+static inline void *
+sh_mobile_meram_cache_alloc(struct sh_mobile_meram_info *dev,
+			    const struct sh_mobile_meram_cfg *cfg,
+			    unsigned int xres, unsigned int yres,
+			    unsigned int pixelformat,
+			    unsigned int *pitch)
+{
+	return ERR_PTR(-ENODEV);
+}
+
+static inline void
+sh_mobile_meram_cache_free(struct sh_mobile_meram_info *dev, void *data)
+{
+}
+
+static inline void
+sh_mobile_meram_cache_update(struct sh_mobile_meram_info *dev, void *data,
+			     unsigned long base_addr_y,
+			     unsigned long base_addr_c,
+			     unsigned long *icb_addr_y,
+			     unsigned long *icb_addr_c)
+{
+}
+#endif
+
+#endif /* __VIDEO_SH_MOBILE_MERAM_H__  */