linux-kernel - [PATCH v2 RFC 7/9] wifi: rtw88: Add support for the SDIO based RTL8822BS chipset

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Message-Id: <20230310202922.2459680-8-martin.blumenstingl@googlemail.com>
Date:   Fri, 10 Mar 2023 21:29:20 +0100
From:   Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To:     linux-wireless@...r.kernel.org
Cc:     Yan-Hsuan Chuang <tony0620emma@...il.com>,
        Kalle Valo <kvalo@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        linux-mmc@...r.kernel.org, Chris Morgan <macroalpha82@...il.com>,
        Nitin Gupta <nitin.gupta981@...il.com>,
        Neo Jou <neojou@...il.com>, Pkshih <pkshih@...ltek.com>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Subject: [PATCH v2 RFC 7/9] wifi: rtw88: Add support for the SDIO based RTL8822BS chipset

From: Jernej Skrabec <jernej.skrabec@...il.com>

Wire up RTL8822BS chipset support using the new rtw88 SDIO HCI code as
well as the existing RTL8822B chipset code.

Signed-off-by: Jernej Skrabec <jernej.skrabec@...il.com>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
---
Changes since v1:
- use /* ... */ style for copyright comments


 drivers/net/wireless/realtek/rtw88/Kconfig    | 11 ++++++
 drivers/net/wireless/realtek/rtw88/Makefile   |  3 ++
 .../net/wireless/realtek/rtw88/rtw8822bs.c    | 35 +++++++++++++++++++
 3 files changed, 49 insertions(+)
 create mode 100644 drivers/net/wireless/realtek/rtw88/rtw8822bs.c

diff --git a/drivers/net/wireless/realtek/rtw88/Kconfig b/drivers/net/wireless/realtek/rtw88/Kconfig
index cdf9cb478ee2..0cfc68dcc416 100644
--- a/drivers/net/wireless/realtek/rtw88/Kconfig
+++ b/drivers/net/wireless/realtek/rtw88/Kconfig
@@ -45,6 +45,17 @@ config RTW88_8822BE
 
 	  802.11ac PCIe wireless network adapter
 
+config RTW88_8822BS
+	tristate "Realtek 8822BS SDIO wireless network adapter"
+	depends on MMC
+	select RTW88_CORE
+	select RTW88_SDIO
+	select RTW88_8822B
+	help
+	  Select this option will enable support for 8822BS chipset
+
+	  802.11ac SDIO wireless network adapter
+
 config RTW88_8822BU
 	tristate "Realtek 8822BU USB wireless network adapter"
 	depends on USB
diff --git a/drivers/net/wireless/realtek/rtw88/Makefile b/drivers/net/wireless/realtek/rtw88/Makefile
index 892cad60ba31..2b8f4dd9707f 100644
--- a/drivers/net/wireless/realtek/rtw88/Makefile
+++ b/drivers/net/wireless/realtek/rtw88/Makefile
@@ -26,6 +26,9 @@ rtw88_8822b-objs		:= rtw8822b.o rtw8822b_table.o
 obj-$(CONFIG_RTW88_8822BE)	+= rtw88_8822be.o
 rtw88_8822be-objs		:= rtw8822be.o
 
+obj-$(CONFIG_RTW88_8822BS)	+= rtw88_8822bs.o
+rtw88_8822bs-objs		:= rtw8822bs.o
+
 obj-$(CONFIG_RTW88_8822BU)	+= rtw88_8822bu.o
 rtw88_8822bu-objs		:= rtw8822bu.o
 
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822bs.c b/drivers/net/wireless/realtek/rtw88/rtw8822bs.c
new file mode 100644
index 000000000000..76645e7a6bc7
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822bs.c
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/* Copyright(c) Jernej Skrabec <jernej.skrabec@...il.com>
+ */
+
+#include <linux/mmc/sdio_func.h>
+#include <linux/mmc/sdio_ids.h>
+#include <linux/module.h>
+#include "sdio.h"
+#include "rtw8822b.h"
+
+static const struct sdio_device_id rtw_8822bs_id_table[] =  {
+	{
+		SDIO_DEVICE(SDIO_VENDOR_ID_REALTEK,
+			    SDIO_DEVICE_ID_REALTEK_RTW8822BS),
+		.driver_data = (kernel_ulong_t)&rtw8822b_hw_spec,
+	},
+	{}
+};
+MODULE_DEVICE_TABLE(sdio, rtw_8822bs_id_table);
+
+static struct sdio_driver rtw_8822bs_driver = {
+	.name = "rtw_8822bs",
+	.probe = rtw_sdio_probe,
+	.remove = rtw_sdio_remove,
+	.id_table = rtw_8822bs_id_table,
+	.drv = {
+		.pm = &rtw_sdio_pm_ops,
+		.shutdown = rtw_sdio_shutdown,
+	}
+};
+module_sdio_driver(rtw_8822bs_driver);
+
+MODULE_AUTHOR("Jernej Skrabec <jernej.skrabec@...il.com>");
+MODULE_DESCRIPTION("Realtek 802.11ac wireless 8822bs driver");
+MODULE_LICENSE("Dual BSD/GPL");
-- 
2.39.2