Release 4.9 drivers/staging/fsl-mc/include/mc-cmd.h
/* Copyright 2013-2015 Freescale Semiconductor Inc.
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* names of any contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
*
* ALTERNATIVELY, this software may be distributed under the terms of the
* GNU General Public License ("GPL") as published by the Free Software
* Foundation, either version 2 of that License or (at your option) any
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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*/
#ifndef __FSL_MC_CMD_H
#define __FSL_MC_CMD_H
#define MC_CMD_NUM_OF_PARAMS 7
struct mc_cmd_header {
u8 src_id;
u8 flags_hw;
u8 status;
u8 flags_sw;
__le16 token;
__le16 cmd_id;
};
struct mc_command {
u64 header;
u64 params[MC_CMD_NUM_OF_PARAMS];
};
enum mc_cmd_status {
MC_CMD_STATUS_OK = 0x0, /* Completed successfully */
MC_CMD_STATUS_READY = 0x1, /* Ready to be processed */
MC_CMD_STATUS_AUTH_ERR = 0x3, /* Authentication error */
MC_CMD_STATUS_NO_PRIVILEGE = 0x4, /* No privilege */
MC_CMD_STATUS_DMA_ERR = 0x5, /* DMA or I/O error */
MC_CMD_STATUS_CONFIG_ERR = 0x6, /* Configuration error */
MC_CMD_STATUS_TIMEOUT = 0x7, /* Operation timed out */
MC_CMD_STATUS_NO_RESOURCE = 0x8, /* No resources */
MC_CMD_STATUS_NO_MEMORY = 0x9, /* No memory available */
MC_CMD_STATUS_BUSY = 0xA, /* Device is busy */
MC_CMD_STATUS_UNSUPPORTED_OP = 0xB, /* Unsupported operation */
MC_CMD_STATUS_INVALID_STATE = 0xC /* Invalid state */
};
/*
* MC command flags
*/
/* High priority flag */
#define MC_CMD_FLAG_PRI 0x80
/* Command completion flag */
#define MC_CMD_FLAG_INTR_DIS 0x01
#define MC_CMD_HDR_CMDID_MASK 0xFFF0
#define MC_CMD_HDR_CMDID_SHIFT 4
#define MC_CMD_HDR_TOKEN_MASK 0xFFC0
#define MC_CMD_HDR_TOKEN_SHIFT 6
static inline u64 mc_encode_cmd_header(u16 cmd_id,
u32 cmd_flags,
u16 token)
{
u64 header = 0;
struct mc_cmd_header *hdr = (struct mc_cmd_header *)&header;
hdr->cmd_id = cpu_to_le16((cmd_id << MC_CMD_HDR_CMDID_SHIFT) &
MC_CMD_HDR_CMDID_MASK);
hdr->token = cpu_to_le16((token << MC_CMD_HDR_TOKEN_SHIFT) &
MC_CMD_HDR_TOKEN_MASK);
hdr->status = MC_CMD_STATUS_READY;
if (cmd_flags & MC_CMD_FLAG_PRI)
hdr->flags_hw = MC_CMD_FLAG_PRI;
if (cmd_flags & MC_CMD_FLAG_INTR_DIS)
hdr->flags_sw = MC_CMD_FLAG_INTR_DIS;
return header;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| ioana radulescu | ioana radulescu | 62 | 63.92% | 1 | 25.00% |
| j. german rivera | j. german rivera | 35 | 36.08% | 3 | 75.00% |
| Total | 97 | 100.00% | 4 | 100.00% |
static inline u16 mc_cmd_hdr_read_token(struct mc_command *cmd)
{
struct mc_cmd_header *hdr = (struct mc_cmd_header *)&cmd->header;
u16 token = le16_to_cpu(hdr->token);
return (token & MC_CMD_HDR_TOKEN_MASK) >> MC_CMD_HDR_TOKEN_SHIFT;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| ioana radulescu | ioana radulescu | 43 | 93.48% | 1 | 50.00% |
| j. german rivera | j. german rivera | 3 | 6.52% | 1 | 50.00% |
| Total | 46 | 100.00% | 2 | 100.00% |
#endif /* __FSL_MC_CMD_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| j. german rivera | j. german rivera | 149 | 52.28% | 3 | 75.00% |
| ioana radulescu | ioana radulescu | 136 | 47.72% | 1 | 25.00% |
| Total | 285 | 100.00% | 4 | 100.00% |