103 lines
2.7 KiB
C
103 lines
2.7 KiB
C
/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Fundation, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef __RPM_IPC_H
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#define __RPM_IPC_H
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#include <arch/defines.h>
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#include <stdint.h>
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#include <sys/types.h>
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#define RPM_REQ_MAGIC 0x00716572
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#define RPM_CMD_MAGIC 0x00646d63
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#define REQ_MSG_LENGTH 0x14
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#define CMD_MSG_LENGTH 0x08
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#define ACK_MSG_LENGTH 0x0C
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typedef enum
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{
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RPM_REQUEST_TYPE,
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RPM_CMD_TYPE,
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RPM_SUCCESS_REQ_ACK,
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RPM_SUCCESS_CMD_ACK,
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RPM_ERROR_ACK,
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}msg_type;
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enum
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{
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RESOURCETYPE,
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RESOURCEID,
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KVP_KEY,
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KVP_LENGTH,
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KVP_VALUE,
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};
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typedef struct
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{
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uint32_t type;
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uint32_t len;
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} rpm_gen_hdr;
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typedef struct
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{
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uint32_t key;
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uint32_t len;
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uint32_t val;
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} kvp_data;
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typedef struct
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{
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uint32_t id;
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uint32_t set;
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uint32_t resourceType;
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uint32_t resourceId;
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uint32_t dataLength;
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}rpm_req_hdr;
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typedef struct
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{
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rpm_gen_hdr hdr;
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rpm_req_hdr req_hdr;
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kvp_data *data;
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} rpm_req;
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typedef struct
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{
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rpm_gen_hdr hdr;
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kvp_data *data;
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} rpm_cmd;
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typedef rpm_cmd rpm_ack_msg;
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int rpm_send_data(uint32_t *data, uint32_t len, msg_type type);
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void rpm_clk_enable(uint32_t *data, uint32_t len);
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void fill_kvp_object(kvp_data **kdata, uint32_t *data, uint32_t len);
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void free_kvp_object(kvp_data **kdata);
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#endif
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