sh_mobile_meram: Add direct MERAM allocation API

The API can be used to allocate and free MERAM blocks directly, without
going through ICBs.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/include/video/sh_mobile_meram.h b/include/video/sh_mobile_meram.h
index 11348379f093..062e6e7f955c 100644
--- a/include/video/sh_mobile_meram.h
+++ b/include/video/sh_mobile_meram.h
@@ -38,6 +38,10 @@ struct sh_mobile_meram_cfg {
 
 #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,
@@ -50,6 +54,18 @@ void sh_mobile_meram_cache_update(struct sh_mobile_meram_info *dev, void *data,
                                   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,