wifi: rtlwifi: Add rtl8192du/fw.{c,h} and rtl8192du/led.{c,h}

fw.c contains a function for loading the firmware.
led.c contains a function for controlling the LED.

Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://msgid.link/a52b8907-267c-4811-90ca-5eb852a2aa09@gmail.com

drivers/net/wireless/realtek/rtlwifi/rtl8192du/fw.c

@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2024  Realtek Corporation.*/
+
+#include "../wifi.h"
+#include "../rtl8192d/reg.h"
+#include "../rtl8192d/def.h"
+#include "../rtl8192d/fw_common.h"
+#include "fw.h"
+
+int rtl92du_download_fw(struct ieee80211_hw *hw)
+{
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
+	enum version_8192d version = rtlhal->version;
+	u8 *pfwheader;
+	u8 *pfwdata;
+	u32 fwsize;
+	int err;
+
+	if (rtlpriv->max_fw_size == 0 || !rtlhal->pfirmware)
+		return 1;
+
+	fwsize = rtlhal->fwsize;
+	pfwheader = rtlhal->pfirmware;
+	pfwdata = rtlhal->pfirmware;
+	rtlhal->fw_version = (u16)GET_FIRMWARE_HDR_VERSION(pfwheader);
+	rtlhal->fw_subversion = (u16)GET_FIRMWARE_HDR_SUB_VER(pfwheader);
+
+	rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
+		"FirmwareVersion(%d), FirmwareSubVersion(%d), Signature(%#x)\n",
+		rtlhal->fw_version, rtlhal->fw_subversion,
+		GET_FIRMWARE_HDR_SIGNATURE(pfwheader));
+
+	if (IS_FW_HEADER_EXIST(pfwheader)) {
+		rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
+			"Shift 32 bytes for FW header!!\n");
+		pfwdata = pfwdata + 32;
+		fwsize = fwsize - 32;
+	}
+
+	if (rtl92d_is_fw_downloaded(rtlpriv))
+		goto exit;
+
+	/* If 8051 is running in RAM code, driver should
+	 * inform Fw to reset by itself, or it will cause
+	 * download Fw fail.
+	 */
+	if (rtl_read_byte(rtlpriv, REG_MCUFWDL) & BIT(7)) {
+		rtl92d_firmware_selfreset(hw);
+		rtl_write_byte(rtlpriv, REG_MCUFWDL, 0x00);
+	}
+
+	rtl92d_enable_fw_download(hw, true);
+	rtl92d_write_fw(hw, version, pfwdata, fwsize);
+	rtl92d_enable_fw_download(hw, false);
+
+	err = rtl92d_fw_free_to_go(hw);
+	if (err)
+		pr_err("fw is not ready to run!\n");
+exit:
+	err = rtl92d_fw_init(hw);
+	return err;
+}

drivers/net/wireless/realtek/rtlwifi/rtl8192du/fw.h

@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2024  Realtek Corporation.*/
+
+#ifndef __RTL92DU_FW_H__
+#define __RTL92DU_FW_H__
+
+int rtl92du_download_fw(struct ieee80211_hw *hw);
+
+#endif

drivers/net/wireless/realtek/rtlwifi/rtl8192du/led.c

@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2024  Realtek Corporation.*/
+
+#include "../wifi.h"
+#include "led.h"
+
+void rtl92du_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction)
+{
+	/* The hardware has control. */
+}

drivers/net/wireless/realtek/rtlwifi/rtl8192du/led.h

@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2024  Realtek Corporation.*/
+
+#ifndef __RTL92DU_LED_H__
+#define __RTL92DU_LED_H__
+
+void rtl92du_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction);
+
+#endif