Revert "staging: tidspbridge - deprecate reserve/unreserve_memory funtions"

[pandora-kernel.git] / drivers / staging / tidspbridge / include / dspbridge / proc.h

diff --git a/drivers/staging/tidspbridge/include/dspbridge/proc.h b/drivers/staging/tidspbridge/include/dspbridge/proc.h
index 2d12aab..5e09fd1 100644 (file)
--- a/drivers/staging/tidspbridge/include/dspbridge/proc.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/proc.h
@@ -550,6 +550,29 @@ extern int proc_map(void *hprocessor,
                           void **pp_map_addr, u32 ul_map_attr,
                           struct process_context *pr_ctxt);
 
+/*
+ *  ======== proc_reserve_memory ========
+ *  Purpose:
+ *      Reserve a virtually contiguous region of DSP address space.
+ *  Parameters:
+ *      hprocessor      :   The processor handle.
+ *      ul_size          :   Size of the address space to reserve.
+ *      pp_rsv_addr       :   Ptr to DSP side reserved u8 address.
+ *  Returns:
+ *      0       :   Success.
+ *      -EFAULT     :   Invalid processor handle.
+ *      -EPERM       :   General failure.
+ *      -ENOMEM     :   Cannot reserve chunk of this size.
+ *  Requires:
+ *      pp_rsv_addr is not NULL
+ *      PROC Initialized.
+ *  Ensures:
+ *  Details:
+ */
+extern int proc_reserve_memory(void *hprocessor,
+                                     u32 ul_size, void **pp_rsv_addr,
+                                     struct process_context *pr_ctxt);
+
 /*
  *  ======== proc_un_map ========
  *  Purpose:
@@ -572,4 +595,27 @@ extern int proc_map(void *hprocessor,
 extern int proc_un_map(void *hprocessor, void *map_addr,
                              struct process_context *pr_ctxt);
 
+/*
+ *  ======== proc_un_reserve_memory ========
+ *  Purpose:
+ *      Frees a previously reserved region of DSP address space.
+ *  Parameters:
+ *      hprocessor      :   The processor handle.
+ *      prsv_addr      :   Ptr to DSP side reservedBYTE address.
+ *  Returns:
+ *      0       :   Success.
+ *      -EFAULT     :   Invalid processor handle.
+ *      -EPERM       :   General failure.
+ *      -ENOENT   :   Cannot find a reserved region starting with this
+ *                   :   address.
+ *  Requires:
+ *      prsv_addr is not NULL
+ *      PROC Initialized.
+ *  Ensures:
+ *  Details:
+ */
+extern int proc_un_reserve_memory(void *hprocessor,
+                                        void *prsv_addr,
+                                        struct process_context *pr_ctxt);
+
 #endif /* PROC_ */