release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/staging/dream/qdsp5/adsp_vfe_patch_event.c

   1 /* arch/arm/mach-msm/qdsp5/adsp_vfe_patch_event.c
   2  *
   3  * Verification code for aDSP VFE packets from userspace.
   4  *
   5  * Copyright (c) 2008 QUALCOMM Incorporated
   6  * Copyright (C) 2008 Google, Inc.
   7  *
   8  * This software is licensed under the terms of the GNU General Public
   9  * License version 2, as published by the Free Software Foundation, and
  10  * may be copied, distributed, and modified under those terms.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  */
  18
  19 #include <mach/qdsp5/qdsp5vfemsg.h>
  20 #include "adsp.h"
  21
  22 static int patch_op_event(struct msm_adsp_module *module,
  23                                 struct adsp_event *event)
  24 {
  25         vfe_msg_op1 *op = (vfe_msg_op1 *)event->data.msg16;
  26         if (adsp_pmem_paddr_fixup(module, (void **)&op->op1_buf_y_addr) ||
  27             adsp_pmem_paddr_fixup(module, (void **)&op->op1_buf_cbcr_addr))
  28                 return -1;
  29         return 0;
  30 }
  31
  32 static int patch_af_wb_event(struct msm_adsp_module *module,
  33                                 struct adsp_event *event)
  34 {
  35         vfe_msg_stats_wb_exp *af = (vfe_msg_stats_wb_exp *)event->data.msg16;
  36         return adsp_pmem_paddr_fixup(module, (void **)&af->wb_exp_stats_op_buf);
  37 }
  38
  39 int adsp_vfe_patch_event(struct msm_adsp_module *module,
  40                         struct adsp_event *event)
  41 {
  42         switch(event->msg_id) {
  43         case VFE_MSG_OP1:
  44         case VFE_MSG_OP2:
  45                 return patch_op_event(module, event);
  46         case VFE_MSG_STATS_AF:
  47         case VFE_MSG_STATS_WB_EXP:
  48                 return patch_af_wb_event(module, event);
  49         default:
  50                 break;
  51         }
  52
  53         return 0;
  54 }