/*
* Copyright (c) 2013, Texas Instruments Incorporated
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of Texas Instruments Incorporated nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __DCE_RPC_H__
#define __DCE_RPC_H__
/* RPC layer types.. these define the payload of messages between IPUMM
* and MPU. This should be kept in sync between firmware build and
* driver.
*
* TODO: xxx_control(XDM_GETVERSION) is a bit awkward to deal with, because
* this seems to be the one special case where status->data is used..
* possibly we should define a special ioctl and msg to handle this case.
*/
#define DCE_DEVICE_NAME "rpmsg-dce"
/* Message-Ids:
*/
//#define DCE_RPC_CONNECT (0x80000000 | 00) Connect not needed anymore.
typedef enum dce_rpc_call {
DCE_RPC_ENGINE_OPEN = 0,
DCE_RPC_ENGINE_CLOSE,
DCE_RPC_CODEC_CREATE,
DCE_RPC_CODEC_CONTROL,
DCE_RPC_CODEC_GET_VERSION,
DCE_RPC_CODEC_PROCESS,
DCE_RPC_CODEC_DELETE
} dce_rpc_call;
typedef enum dce_codec_type {
OMAP_DCE_VIDENC2 = 1,
OMAP_DCE_VIDDEC3 = 2
} dce_codec_type;
/* Structures of RPC */
typedef struct dce_connect {
uint32_t chipset_id;
uint32_t debug;
} dce_connect;
typedef struct dce_engine_open {
char name[32]; /* engine name (in) */
Engine_Error error_code; /* error code (out) */
Engine_Handle eng_handle; /* engine handle (out) */
} dce_engine_open;
typedef struct dce_engine_close {
Engine_Handle eng_handle; /* engine handle (in) */
} dce_engine_close;
typedef struct dce_codec_create {
Engine_Handle engine;
char codec_name[32];
void *static_params;
dce_codec_type codec_id;
void *codec_handle;
} dce_codec_create;
typedef struct dce_codec_control {
void *codec_handle;
uint32_t cmd_id;
void *dyn_params;
void *status;
dce_codec_type codec_id;
int32_t result;
} dce_codec_control;
typedef struct dce_codec_get_version {
void *codec_handle;
void *dyn_params;
void *status;
void *version;
dce_codec_type codec_id;
int32_t result;
} dce_codec_get_version;
typedef struct dce_codec_delete {
void *codec_handle;
dce_codec_type codec_id;
} dce_codec_delete;
/* ---------------------- For GLP DCE -----------------------------*/
/* NOTE: CODEC_PROCESS does somewhat more than the other ioctls, in that it
* handles buffer mapping/unmapping. So the inBufs/outBufs are copied inline
* (with translated addresses in the copy sent inline with codec_process_req).
* Since we need the inputID from inArgs, and it is a small struct, it is also
* copied inline.
*
* Therefore, the variable length data[] section has the format:
* uint8_t reloc[reloc_length * 4];
* uint8_t inargs[in_args_length * 4];
* uint8_t outbufs[in_bufs_length * 4];
* uint8_t inbufs[in_bufs_length * 4];
*/
#define MAX_INPUT_BUF 2 // Need to confirm for interlaced YUVs for Encoders
#define MAX_OUTPUT_BUF 2
#define MAX_TOTAl_BUF (MAX_INPUT_BUF + MAX_OUTPUT_BUF)
/* Struct to be used if approach [3] of Mmrpc call is followed */
typedef struct dce_codec_process {
void *codec_handle;
void *inBufs;
void *outBufs;
void *inArgs;
void *outArgs;
int32_t input_Buf[MAX_INPUT_BUF];
int32_t output_Buf[MAX_OUTPUT_BUF];
dce_codec_type codec_id;
int32_t result;
} dce_codec_process;
#endif /* __DCE_RPC_H__ */