this file is handling a led functionality
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@xxxxxxxxx>
---
drivers/net/wireless/intel/iwlwifi/mld/led.c | 100 +++++++++++++++++++
drivers/net/wireless/intel/iwlwifi/mld/led.h | 29 ++++++
2 files changed, 129 insertions(+)
create mode 100644 drivers/net/wireless/intel/iwlwifi/mld/led.c
create mode 100644 drivers/net/wireless/intel/iwlwifi/mld/led.h
diff --git a/drivers/net/wireless/intel/iwlwifi/mld/led.c b/drivers/net/wireless/intel/iwlwifi/mld/led.c
new file mode 100644
index 000000000000..a37b32cbc6e6
--- /dev/null
+++ b/drivers/net/wireless/intel/iwlwifi/mld/led.c
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/*
+ * Copyright (C) 2024 Intel Corporation
+ */
+#include <linux/leds.h>
+#include <net/mac80211.h>
+
+#include "fw/api/led.h"
+#include "mld.h"
+#include "led.h"
+#include "hcmd.h"
+
+static void iwl_mld_send_led_fw_cmd(struct iwl_mld *mld, bool on)
+{
+ struct iwl_led_cmd led_cmd = {
+ .status = cpu_to_le32(on),
+ };
+ int err;
+
+ if (WARN_ON(!mld->fw_status.running))
+ return;
+
+ err = iwl_mld_send_cmd_with_flags_pdu(mld, WIDE_ID(LONG_GROUP,
+ LEDS_CMD),
+ CMD_ASYNC, &led_cmd);
+
+ if (err)
+ IWL_WARN(mld, "LED command failed: %d\n", err);
+}
+
+static void iwl_led_brightness_set(struct led_classdev *led_cdev,
+ enum led_brightness brightness)
+{
+ struct iwl_mld *mld = container_of(led_cdev, struct iwl_mld, led);
+
+ if (!mld->fw_status.running)
+ return;
+
+ iwl_mld_send_led_fw_cmd(mld, brightness > 0);
+}
+
+int iwl_mld_leds_init(struct iwl_mld *mld)
+{
+ int mode = iwlwifi_mod_params.led_mode;
+ int ret;
+
+ switch (mode) {
+ case IWL_LED_BLINK:
+ IWL_ERR(mld, "Blink led mode not supported, used default\n");
+ fallthrough;
+ case IWL_LED_DEFAULT:
+ case IWL_LED_RF_STATE:
+ mode = IWL_LED_RF_STATE;
+ break;
+ case IWL_LED_DISABLE:
+ IWL_INFO(mld, "Led disabled\n");
+ return 0;
+ default:
+ return -EINVAL;
+ }
+
+ mld->led.name = kasprintf(GFP_KERNEL, "%s-led",
+ wiphy_name(mld->hw->wiphy));
+ if (!mld->led.name)
+ return -ENOMEM;
+
+ mld->led.brightness_set = iwl_led_brightness_set;
+ mld->led.max_brightness = 1;
+
+ if (mode == IWL_LED_RF_STATE)
+ mld->led.default_trigger =
+ ieee80211_get_radio_led_name(mld->hw);
+
+ ret = led_classdev_register(mld->trans->dev, &mld->led);
+ if (ret) {
+ kfree(mld->led.name);
+ mld->led.name = NULL;
+ IWL_INFO(mld, "Failed to enable led\n");
+ }
+
+ return ret;
+}
+
+void iwl_mld_led_config_fw(struct iwl_mld *mld)
+{
+ if (!mld->led.name)
+ return;
+
+ iwl_mld_send_led_fw_cmd(mld, mld->led.brightness > 0);
+}
+
+void iwl_mld_leds_exit(struct iwl_mld *mld)
+{
+ if (!mld->led.name)
+ return;
+
+ led_classdev_unregister(&mld->led);
+ kfree(mld->led.name);
+ mld->led.name = NULL;
+}
diff --git a/drivers/net/wireless/intel/iwlwifi/mld/led.h b/drivers/net/wireless/intel/iwlwifi/mld/led.h
new file mode 100644
index 000000000000..e4ab22e58de6
--- /dev/null
+++ b/drivers/net/wireless/intel/iwlwifi/mld/led.h
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/*
+ * Copyright (C) 2024 Intel Corporation
+ */
+#ifndef __iwl_mld_led_h__
+#define __iwl_mld_led_h__
+
+#include "mld.h"
+
+#ifdef CONFIG_IWLWIFI_LEDS
+int iwl_mld_leds_init(struct iwl_mld *mld);
+void iwl_mld_leds_exit(struct iwl_mld *mld);
+void iwl_mld_led_config_fw(struct iwl_mld *mld);
+#else
+static inline int iwl_mld_leds_init(struct iwl_mld *mld)
+{
+ return 0;
+}
+
+static inline void iwl_mld_leds_exit(struct iwl_mld *mld)
+{
+}
+
+static inline void iwl_mld_led_config_fw(struct iwl_mld *mld)
+{
+}
+#endif
+
+#endif /* __iwl_mld_led_h__ */
--
2.34.1
