video: driver: add memory ops support

add memory ops support so that different
implementations can exist for memory_alloc,
memory_free, memory_map and memory_unmap,
dma buf attach, detach, map, unmap and
get buffer region in upstream and downstream
drivers.

Change-Id: Ifabc34e7a8b0284579c1bc4a8f477fe558d068f4
Signed-off-by: Darshana Patil <quic_darshana@quicinc.com>

driver/vidc/inc/msm_vidc_internal.h

@@ -955,17 +955,4 @@ struct msm_vidc_sfr {
 	u8 rg_data[1];
 };
 
-#define call_mem_op(c, op, ...)			\
-	(((c) && (c)->mem_ops && (c)->mem_ops->op) ? \
-	((c)->mem_ops->op(__VA_ARGS__)) : 0)
-
-struct msm_vidc_memory_ops {
-	int (*allocate)(void *inst, struct msm_vidc_buffer *mbuf);
-	int (*dma_map)(void *inst, struct msm_vidc_buffer *mbuf);
-	int (*dma_unmap)(void *inst, struct msm_vidc_buffer *mbuf);
-	int (*free)(void *inst, struct msm_vidc_buffer *mbuf);
-	int (*cache_op)(void *inst, struct msm_vidc_buffer *mbuf,
-				enum msm_vidc_cache_op cache_op);
-};
-
 #endif // _MSM_VIDC_INTERNAL_H_