51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
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/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef DIAGFWD_SMD_H
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#define DIAGFWD_SMD_H
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#define DIAG_SMD_NAME_SZ 24
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#define SMD_DRAIN_BUF_SIZE 4096
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struct diag_smd_info {
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uint8_t peripheral;
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uint8_t type;
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uint8_t inited;
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atomic_t opened;
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atomic_t diag_state;
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uint32_t fifo_size;
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smd_channel_t *hdl;
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char name[DIAG_SMD_NAME_SZ];
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struct mutex lock;
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wait_queue_head_t read_wait_q;
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struct workqueue_struct *wq;
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struct work_struct open_work;
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struct work_struct close_work;
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struct work_struct read_work;
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struct diagfwd_info *fwd_ctxt;
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};
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extern struct diag_smd_info smd_data[NUM_PERIPHERALS];
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extern struct diag_smd_info smd_cntl[NUM_PERIPHERALS];
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extern struct diag_smd_info smd_dci[NUM_PERIPHERALS];
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extern struct diag_smd_info smd_cmd[NUM_PERIPHERALS];
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extern struct diag_smd_info smd_dci_cmd[NUM_PERIPHERALS];
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int diag_smd_init_peripheral(uint8_t peripheral);
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void diag_smd_exit(void);
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int diag_smd_init(void);
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void diag_smd_early_exit(void);
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void diag_smd_invalidate(void *ctxt, struct diagfwd_info *fwd_ctxt);
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int diag_smd_check_state(void *ctxt);
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#endif
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