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8663f5c7b4
Now as each backend exports data structure, mark all functions as static. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
109 lines
3.1 KiB
C
109 lines
3.1 KiB
C
/*
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* Copyright (c) 2021, Linaro Ltd.
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* 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 met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* 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 BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <ctype.h>
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#include <dirent.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <termios.h>
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#include <unistd.h>
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#include "cdba-server.h"
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#include "device.h"
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struct qcomlt_dbg {
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int fd;
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struct termios orig_tios;
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};
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static void *qcomlt_dbg_open(struct device *dev)
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{
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struct qcomlt_dbg *dbg;
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dev->has_power_key = true;
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dbg = calloc(1, sizeof(*dbg));
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dbg->fd = tty_open(dev->control_dev, &dbg->orig_tios);
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if (dbg->fd < 0)
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err(1, "failed to open %s", dev->control_dev);
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// fprintf(stderr, "qcomlt_dbg_open()\n");
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write(dbg->fd, "brpu", 4);
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return dbg;
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}
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static int qcomlt_dbg_power(struct device *dev, bool on)
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{
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struct qcomlt_dbg *dbg = dev->cdb;
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// fprintf(stderr, "qcomlt_dbg_power(%d)\n", on);
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return write(dbg->fd, &("pP"[on]), 1);
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}
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static void qcomlt_dbg_usb(struct device *dev, bool on)
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{
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struct qcomlt_dbg *dbg = dev->cdb;
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// fprintf(stderr, "qcomlt_dbg_usb(%d)\n", on);
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write(dbg->fd, &("uU"[on]), 1);
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}
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static void qcomlt_dbg_key(struct device *dev, int key, bool asserted)
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{
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struct qcomlt_dbg *dbg = dev->cdb;
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// fprintf(stderr, "qcomlt_dbg_key(%d, %d)\n", key, asserted);
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switch (key) {
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case DEVICE_KEY_FASTBOOT:
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write(dbg->fd, &("rR"[asserted]), 1);
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break;
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case DEVICE_KEY_POWER:
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write(dbg->fd, &("bB"[asserted]), 1);
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break;
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}
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}
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const struct control_ops qcomlt_dbg_ops = {
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.open = qcomlt_dbg_open,
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.power = qcomlt_dbg_power,
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.usb = qcomlt_dbg_usb,
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.key = qcomlt_dbg_key,
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};
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