Adding upstream version 20230625.upstream/20230625

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 52 insertions, 0 deletions

diff --git a/carl9170fw/carlfw/src/gpio.c b/carl9170fw/carlfw/src/gpio.c
new file mode 100644
index 0000000..85cd81f
--- /dev/null
+++ b/carl9170fw/carlfw/src/gpio.c
@@ -0,0 +1,52 @@
+/*
+ * carl9170 firmware - used by the ar9170 wireless device
+ *
+ * GPIO interrupt service
+ *
+ * Copyright (c) 2000-2005 ZyDAS Technology Corporation
+ * Copyright (c) 2007-2009 Atheros Communications, Inc.
+ * Copyright	2009	Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2009-2011	Christian Lamparter <chunkeey@googlemail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "carl9170.h"
+#include "gpio.h"
+
+#ifdef CONFIG_CARL9170FW_GPIO_INTERRUPT
+void gpio_timer(void)
+{
+	uint32_t cur;
+
+	cur = get(AR9170_GPIO_REG_PORT_DATA) & CARL9170_GPIO_MASK;
+
+	if (cur != fw.cached_gpio_state.gpio) {
+		fw.cached_gpio_state.gpio = cur;
+
+		send_cmd_to_host(sizeof(struct carl9170_gpio),
+				 CARL9170_RSP_GPIO, 0x00,
+				 (uint8_t *)&fw.cached_gpio_state);
+
+# ifdef CONFIG_CARL9170FW_WATCHDOG_BUTTON
+		for (;;) {
+			/*
+			 * Loop forever... Until the watchdog triggers.
+			 */
+		}
+# endif /* CONFIG_CARL9170FW_WATCHDOG_BUTTON */
+	}
+}
+#endif /* CONFIG_CARL9170FW_GPIO_INTERRUPT */