rk30:add ion support

[firefly-linux-kernel-4.4.55.git] / include / linux / ion.h

diff --git a/include/linux/ion.h b/include/linux/ion.h
index aed8349279ed7bb8d5bdc8a1c7b758d58847d4c7..202766b7d0e5b319306fb100dcb198b3e005eafc 100644 (file)
--- a/include/linux/ion.h
+++ b/include/linux/ion.h
@@ -19,6 +19,15 @@
 
 #include <linux/types.h>
 
+
+#define CACHED          1
+#define UNCACHED        0
+
+#define ION_CACHE_SHIFT 0
+
+#define ION_SET_CACHE(__cache)  ((__cache) << ION_CACHE_SHIFT)
+
+#define ION_IS_CACHED(__flags) ((__flags) & (1 << ION_CACHE_SHIFT))
 struct ion_handle;
 /**
  * enum ion_heap_types - list of all possible types of heaps
@@ -37,6 +46,14 @@ enum ion_heap_type {
                                 are at the end of this enum */
        ION_NUM_HEAPS,
 };
+enum ion_heap_ids {
+       ION_NOR_HEAP_ID = 0,
+       ION_CMA_HEAP_ID = 1,
+       
+       ION_VPU_ID = 16,
+       ION_CAM_ID = 17,
+       ION_UI_ID = 18,
+};
 
 #define ION_HEAP_SYSTEM_MASK           (1 << ION_HEAP_TYPE_SYSTEM)
 #define ION_HEAP_SYSTEM_CONTIG_MASK    (1 << ION_HEAP_TYPE_SYSTEM_CONTIG)
@@ -285,6 +302,16 @@ struct ion_custom_data {
        unsigned long arg;
 };
 
+struct ion_phys_data {
+       struct ion_handle *handle;
+       unsigned long phys;
+       size_t size;
+};
+struct ion_flush_data {
+       struct ion_handle *handle;
+       void *virt;
+       size_t size;
+};
 #define ION_IOC_MAGIC          'I'
 
 /**
@@ -340,5 +367,8 @@ struct ion_custom_data {
  * passes appropriate userdata for that ioctl
  */
 #define ION_IOC_CUSTOM         _IOWR(ION_IOC_MAGIC, 6, struct ion_custom_data)
-
+#define ION_CACHE_FLUSH                _IOWR(ION_IOC_MAGIC, 7, struct ion_flush_data)
+#define ION_CACHE_CLEAN                _IOWR(ION_IOC_MAGIC, 8, struct ion_flush_data)
+#define ION_CACHE_INVALID      _IOWR(ION_IOC_MAGIC, 9, struct ion_flush_data)
+#define ION_GET_PHYS           _IOWR(ION_IOC_MAGIC, 10, unsigned long)
 #endif /* _LINUX_ION_H */