60de9d752e
Add diag_bridge driver which is used to communicate with the diag
and QMI interfaces exposed by Qualcomm devices. This snapshot is
taken as of msm-3.10 'commit d722f698a54e ("regulator: core: Fix
buffer overflow issue")'.
Also rename the diag_bridge driver to diag_ipc_bridge.c.
Change-Id: Ide503c5bf729a7e41de98b12c89e4edc12af61fe
Signed-off-by: Ajay Agarwal <ajaya@codeaurora.org>
54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/* Copyright (c) 2011, 2013, 2018, 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 __LINUX_USB_DIAG_BRIDGE_H__
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#define __LINUX_USB_DIAG_BRIDGE_H__
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struct diag_bridge_ops {
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void *ctxt;
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void (*read_complete_cb)(void *ctxt, char *buf,
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int buf_size, int actual);
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void (*write_complete_cb)(void *ctxt, char *buf,
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int buf_size, int actual);
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int (*suspend)(void *ctxt);
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void (*resume)(void *ctxt);
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};
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#if IS_ENABLED(CONFIG_USB_QCOM_DIAG_BRIDGE)
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extern int diag_bridge_read(int id, char *data, int size);
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extern int diag_bridge_write(int id, char *data, int size);
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extern int diag_bridge_open(int id, struct diag_bridge_ops *ops);
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extern void diag_bridge_close(int id);
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#else
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static int __maybe_unused diag_bridge_read(int id, char *data, int size)
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{
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return -ENODEV;
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}
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static int __maybe_unused diag_bridge_write(int id, char *data, int size)
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{
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return -ENODEV;
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}
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static int __maybe_unused diag_bridge_open(int id, struct diag_bridge_ops *ops)
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{
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return -ENODEV;
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}
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static void __maybe_unused diag_bridge_close(int id) { }
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#endif
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#endif
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