From 071106ecf68c401173c58808b1cf5f68cc50d390 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 05 Jan 2024 08:39:27 +0000
Subject: [PATCH] change wifi driver to cypress
---
kernel/tools/gpio/gpio-event-mon.c | 155 ++++++++++++++++++++++++++++++++-------------------
1 files changed, 97 insertions(+), 58 deletions(-)
diff --git a/kernel/tools/gpio/gpio-event-mon.c b/kernel/tools/gpio/gpio-event-mon.c
index c864544..367c106 100644
--- a/kernel/tools/gpio/gpio-event-mon.c
+++ b/kernel/tools/gpio/gpio-event-mon.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* gpio-event-mon - monitor GPIO line events from userspace
*
* Copyright (C) 2016 Linus Walleij
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
*
* Usage:
* gpio-event-mon -n <device-name> -o <offset>
@@ -26,17 +23,17 @@
#include <sys/ioctl.h>
#include <sys/types.h>
#include <linux/gpio.h>
+#include "gpio-utils.h"
int monitor_device(const char *device_name,
- unsigned int line,
- uint32_t handleflags,
- uint32_t eventflags,
+ unsigned int *lines,
+ unsigned int num_lines,
+ struct gpio_v2_line_config *config,
unsigned int loops)
{
- struct gpioevent_request req;
- struct gpiohandle_data data;
+ struct gpio_v2_line_values values;
char *chrdev_name;
- int fd;
+ int cfd, lfd;
int ret;
int i = 0;
@@ -44,44 +41,56 @@
if (ret < 0)
return -ENOMEM;
- fd = open(chrdev_name, 0);
- if (fd == -1) {
+ cfd = open(chrdev_name, 0);
+ if (cfd == -1) {
ret = -errno;
fprintf(stderr, "Failed to open %s\n", chrdev_name);
- goto exit_close_error;
+ goto exit_free_name;
}
- req.lineoffset = line;
- req.handleflags = handleflags;
- req.eventflags = eventflags;
- strcpy(req.consumer_label, "gpio-event-mon");
-
- ret = ioctl(fd, GPIO_GET_LINEEVENT_IOCTL, &req);
- if (ret == -1) {
- ret = -errno;
- fprintf(stderr, "Failed to issue GET EVENT "
- "IOCTL (%d)\n",
- ret);
- goto exit_close_error;
- }
+ ret = gpiotools_request_line(device_name, lines, num_lines, config,
+ "gpio-event-mon");
+ if (ret < 0)
+ goto exit_device_close;
+ else
+ lfd = ret;
/* Read initial states */
- ret = ioctl(req.fd, GPIOHANDLE_GET_LINE_VALUES_IOCTL, &data);
- if (ret == -1) {
- ret = -errno;
- fprintf(stderr, "Failed to issue GPIOHANDLE GET LINE "
- "VALUES IOCTL (%d)\n",
+ values.mask = 0;
+ values.bits = 0;
+ for (i = 0; i < num_lines; i++)
+ gpiotools_set_bit(&values.mask, i);
+ ret = gpiotools_get_values(lfd, &values);
+ if (ret < 0) {
+ fprintf(stderr,
+ "Failed to issue GPIO LINE GET VALUES IOCTL (%d)\n",
ret);
- goto exit_close_error;
+ goto exit_line_close;
}
- fprintf(stdout, "Monitoring line %d on %s\n", line, device_name);
- fprintf(stdout, "Initial line value: %d\n", data.values[0]);
+ if (num_lines == 1) {
+ fprintf(stdout, "Monitoring line %d on %s\n", lines[0], device_name);
+ fprintf(stdout, "Initial line value: %d\n",
+ gpiotools_test_bit(values.bits, 0));
+ } else {
+ fprintf(stdout, "Monitoring lines %d", lines[0]);
+ for (i = 1; i < num_lines - 1; i++)
+ fprintf(stdout, ", %d", lines[i]);
+ fprintf(stdout, " and %d on %s\n", lines[i], device_name);
+ fprintf(stdout, "Initial line values: %d",
+ gpiotools_test_bit(values.bits, 0));
+ for (i = 1; i < num_lines - 1; i++)
+ fprintf(stdout, ", %d",
+ gpiotools_test_bit(values.bits, i));
+ fprintf(stdout, " and %d\n",
+ gpiotools_test_bit(values.bits, i));
+ }
+ i = 0;
while (1) {
- struct gpioevent_data event;
+ struct gpio_v2_line_event event;
- ret = read(req.fd, &event, sizeof(event));
+ ret = read(lfd, &event, sizeof(event));
if (ret == -1) {
if (errno == -EAGAIN) {
fprintf(stderr, "nothing available\n");
@@ -99,12 +108,14 @@
ret = -EIO;
break;
}
- fprintf(stdout, "GPIO EVENT %llu: ", event.timestamp);
+ fprintf(stdout, "GPIO EVENT at %" PRIu64 " on line %d (%d|%d) ",
+ (uint64_t)event.timestamp_ns, event.offset, event.line_seqno,
+ event.seqno);
switch (event.id) {
- case GPIOEVENT_EVENT_RISING_EDGE:
+ case GPIO_V2_LINE_EVENT_RISING_EDGE:
fprintf(stdout, "rising edge");
break;
- case GPIOEVENT_EVENT_FALLING_EDGE:
+ case GPIO_V2_LINE_EVENT_FALLING_EDGE:
fprintf(stdout, "falling edge");
break;
default:
@@ -117,9 +128,13 @@
break;
}
-exit_close_error:
- if (close(fd) == -1)
+exit_line_close:
+ if (close(lfd) == -1)
+ perror("Failed to close line file");
+exit_device_close:
+ if (close(cfd) == -1)
perror("Failed to close GPIO character device file");
+exit_free_name:
free(chrdev_name);
return ret;
}
@@ -129,29 +144,37 @@
fprintf(stderr, "Usage: gpio-event-mon [options]...\n"
"Listen to events on GPIO lines, 0->1 1->0\n"
" -n <name> Listen on GPIOs on a named device (must be stated)\n"
- " -o <n> Offset to monitor\n"
+ " -o <n> Offset of line to monitor (may be repeated)\n"
" -d Set line as open drain\n"
" -s Set line as open source\n"
" -r Listen for rising edges\n"
" -f Listen for falling edges\n"
+ " -b <n> Debounce the line with period n microseconds\n"
" [-c <n>] Do <n> loops (optional, infinite loop if not stated)\n"
" -? This helptext\n"
"\n"
"Example:\n"
- "gpio-event-mon -n gpiochip0 -o 4 -r -f\n"
+ "gpio-event-mon -n gpiochip0 -o 4 -r -f -b 10000\n"
);
}
+
+#define EDGE_FLAGS \
+ (GPIO_V2_LINE_FLAG_EDGE_RISING | \
+ GPIO_V2_LINE_FLAG_EDGE_FALLING)
int main(int argc, char **argv)
{
const char *device_name = NULL;
- unsigned int line = -1;
+ unsigned int lines[GPIO_V2_LINES_MAX];
+ unsigned int num_lines = 0;
unsigned int loops = 0;
- uint32_t handleflags = GPIOHANDLE_REQUEST_INPUT;
- uint32_t eventflags = 0;
- int c;
+ struct gpio_v2_line_config config;
+ int c, attr, i;
+ unsigned long debounce_period_us = 0;
- while ((c = getopt(argc, argv, "c:n:o:dsrf?")) != -1) {
+ memset(&config, 0, sizeof(config));
+ config.flags = GPIO_V2_LINE_FLAG_INPUT;
+ while ((c = getopt(argc, argv, "c:n:o:b:dsrf?")) != -1) {
switch (c) {
case 'c':
loops = strtoul(optarg, NULL, 10);
@@ -160,19 +183,27 @@
device_name = optarg;
break;
case 'o':
- line = strtoul(optarg, NULL, 10);
+ if (num_lines >= GPIO_V2_LINES_MAX) {
+ print_usage();
+ return -1;
+ }
+ lines[num_lines] = strtoul(optarg, NULL, 10);
+ num_lines++;
+ break;
+ case 'b':
+ debounce_period_us = strtoul(optarg, NULL, 10);
break;
case 'd':
- handleflags |= GPIOHANDLE_REQUEST_OPEN_DRAIN;
+ config.flags |= GPIO_V2_LINE_FLAG_OPEN_DRAIN;
break;
case 's':
- handleflags |= GPIOHANDLE_REQUEST_OPEN_SOURCE;
+ config.flags |= GPIO_V2_LINE_FLAG_OPEN_SOURCE;
break;
case 'r':
- eventflags |= GPIOEVENT_REQUEST_RISING_EDGE;
+ config.flags |= GPIO_V2_LINE_FLAG_EDGE_RISING;
break;
case 'f':
- eventflags |= GPIOEVENT_REQUEST_FALLING_EDGE;
+ config.flags |= GPIO_V2_LINE_FLAG_EDGE_FALLING;
break;
case '?':
print_usage();
@@ -180,15 +211,23 @@
}
}
- if (!device_name || line == -1) {
+ if (debounce_period_us) {
+ attr = config.num_attrs;
+ config.num_attrs++;
+ for (i = 0; i < num_lines; i++)
+ gpiotools_set_bit(&config.attrs[attr].mask, i);
+ config.attrs[attr].attr.id = GPIO_V2_LINE_ATTR_ID_DEBOUNCE;
+ config.attrs[attr].attr.debounce_period_us = debounce_period_us;
+ }
+
+ if (!device_name || num_lines == 0) {
print_usage();
return -1;
}
- if (!eventflags) {
+ if (!(config.flags & EDGE_FLAGS)) {
printf("No flags specified, listening on both rising and "
"falling edges\n");
- eventflags = GPIOEVENT_REQUEST_BOTH_EDGES;
+ config.flags |= EDGE_FLAGS;
}
- return monitor_device(device_name, line, handleflags,
- eventflags, loops);
+ return monitor_device(device_name, lines, num_lines, &config, loops);
}
--
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