[PATCH v2 09/12] wifi: rtlwifi: Add rtl8192du/fw.{c,h} and rtl8192du/led.{c,h}

Bitterblue Smith
2024-03-17T18:53:51Z

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>
---
Patch is new in v2, split from patch 3/3 in v1.
---
.../wireless/realtek/rtlwifi/rtl8192du/fw.c | 109 ++++++++++++++++++
.../wireless/realtek/rtlwifi/rtl8192du/fw.h | 9 ++
.../wireless/realtek/rtlwifi/rtl8192du/led.c | 10 ++
.../wireless/realtek/rtlwifi/rtl8192du/led.h | 9 ++
4 files changed, 137 insertions(+)
create mode 100644 drivers/net/wireless/realtek/rtlwifi/rtl8192du/fw.c
create mode 100644 drivers/net/wireless/realtek/rtlwifi/rtl8192du/fw.h
create mode 100644 drivers/net/wireless/realtek/rtlwifi/rtl8192du/led.c
create mode 100644 drivers/net/wireless/realtek/rtlwifi/rtl8192du/led.h

diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192du/fw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/fw.c
new file mode 100644
index 000000000000..1521460f4f37
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/fw.c
@@ -0,0 +1,109 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2009-2012 Realtek Corporation.*/
+
+#include "../wifi.h"
+#include "../pci.h"
+#include "../base.h"
+#include "../efuse.h"
+#include "../rtl8192d/reg.h"
+#include "../rtl8192d/def.h"
+#include "../rtl8192d/fw_common.h"
+#include "fw.h"
+#include "sw.h"
+
+int rtl92d_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;
+ bool fwdl_in_process = false;
+ bool fw_downloaded = false;
+ u32 fwsize, count;
+ u8 *pfwheader;
+ u8 *pfwdata;
+ u8 value;
+ 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;
+ }
+
+ mutex_lock(&globalmutex_for_fwdownload);
+ fw_downloaded = rtl92d_is_fw_downloaded(rtlpriv);
+ if ((rtl_read_byte(rtlpriv, 0x1f) & BIT(5)) == BIT(5))
+ fwdl_in_process = true;
+ else
+ fwdl_in_process = false;
+ if (fw_downloaded) {
+ mutex_unlock(&globalmutex_for_fwdownload);
+ goto exit;
+ } else if (fwdl_in_process) {
+ mutex_unlock(&globalmutex_for_fwdownload);
+ for (count = 0; count < 5000; count++) {
+ udelay(500);
+ mutex_lock(&globalmutex_for_fwdownload);
+ fw_downloaded = rtl92d_is_fw_downloaded(rtlpriv);
+ if ((rtl_read_byte(rtlpriv, 0x1f) & BIT(5)) == BIT(5))
+ fwdl_in_process = true;
+ else
+ fwdl_in_process = false;
+ mutex_unlock(&globalmutex_for_fwdownload);
+ if (fw_downloaded)
+ goto exit;
+ else if (!fwdl_in_process)
+ break;
+
+ rtl_dbg(rtlpriv, COMP_FW, DBG_DMESG,
+ "Wait for another mac download fw\n");
+ }
+ mutex_lock(&globalmutex_for_fwdownload);
+ value = rtl_read_byte(rtlpriv, 0x1f);
+ value |= BIT(5);
+ rtl_write_byte(rtlpriv, 0x1f, value);
+ mutex_unlock(&globalmutex_for_fwdownload);
+ } else {
+ value = rtl_read_byte(rtlpriv, 0x1f);
+ value |= BIT(5);
+ rtl_write_byte(rtlpriv, 0x1f, value);
+ mutex_unlock(&globalmutex_for_fwdownload);
+ }
+
+ /* 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);
+ mutex_lock(&globalmutex_for_fwdownload);
+ err = rtl92d_fw_free_to_go(hw);
+ /* download fw over,clear 0x1f[5] */
+ value = rtl_read_byte(rtlpriv, 0x1f);
+ value &= (~BIT(5));
+ rtl_write_byte(rtlpriv, 0x1f, value);
+ mutex_unlock(&globalmutex_for_fwdownload);
+ if (err)
+ pr_err("fw is not ready to run!\n");
+exit:
+ err = rtl92d_fw_init(hw);
+ return err;
+}
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192du/fw.h b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/fw.h
new file mode 100644
index 000000000000..857431fe8952
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/fw.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2009-2012 Realtek Corporation.*/
+
+#ifndef __RTL92D__FW__H__
+#define __RTL92D__FW__H__
+
+int rtl92d_download_fw(struct ieee80211_hw *hw);
+
+#endif
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192du/led.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/led.c
new file mode 100644
index 000000000000..a2761f25e94e
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/led.c
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2009-2012 Realtek Corporation.*/
+
+#include "../wifi.h"
+#include "led.h"
+
+void rtl92de_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction)
+{
+ /* The hardware has control. */
+}
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192du/led.h b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/led.h
new file mode 100644
index 000000000000..b7f7a74d5261
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/led.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2009-2012 Realtek Corporation.*/
+
+#ifndef __RTL92CE_LED_H__
+#define __RTL92CE_LED_H__
+
+void rtl92de_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction);
+
+#endif
--
2.43.2