[RFC PATCH v1 18/19] rtw88: Add support for the SDIO based RTL8822CS chipset

Martin Blumenstingl
2022-12-27T23:33:44Z

Wire up RTL8822CS chipset support using the new rtw88 SDIO HCI code as
well as the existing RTL8822C chipset code.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
---
drivers/net/wireless/realtek/rtw88/Kconfig | 11 ++++++
drivers/net/wireless/realtek/rtw88/Makefile | 3 ++
.../net/wireless/realtek/rtw88/rtw8822cs.c | 34 +++++++++++++++++++
3 files changed, 48 insertions(+)
create mode 100644 drivers/net/wireless/realtek/rtw88/rtw8822cs.c

diff --git a/drivers/net/wireless/realtek/rtw88/Kconfig b/drivers/net/wireless/realtek/rtw88/Kconfig
index 0cfc68dcc416..6b65da81127f 100644
--- a/drivers/net/wireless/realtek/rtw88/Kconfig
+++ b/drivers/net/wireless/realtek/rtw88/Kconfig
@@ -78,6 +78,17 @@ config RTW88_8822CE

802.11ac PCIe wireless network adapter

+config RTW88_8822CS
+ tristate "Realtek 8822CS SDIO wireless network adapter"
+ depends on MMC
+ select RTW88_CORE
+ select RTW88_SDIO
+ select RTW88_8822C
+ help
+ Select this option will enable support for 8822CS chipset
+
+ 802.11ac SDIO wireless network adapter
+
config RTW88_8822CU
tristate "Realtek 8822CU USB wireless network adapter"
depends on USB
diff --git a/drivers/net/wireless/realtek/rtw88/Makefile b/drivers/net/wireless/realtek/rtw88/Makefile
index 2b8f4dd9707f..6105c2745bda 100644
--- a/drivers/net/wireless/realtek/rtw88/Makefile
+++ b/drivers/net/wireless/realtek/rtw88/Makefile
@@ -38,6 +38,9 @@ rtw88_8822c-objs := rtw8822c.o rtw8822c_table.o
obj-$(CONFIG_RTW88_8822CE) += rtw88_8822ce.o
rtw88_8822ce-objs := rtw8822ce.o

+obj-$(CONFIG_RTW88_8822CS) += rtw88_8822cs.o
+rtw88_8822cs-objs := rtw8822cs.o
+
obj-$(CONFIG_RTW88_8822CU) += rtw88_8822cu.o
rtw88_8822cu-objs := rtw8822cu.o

diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822cs.c b/drivers/net/wireless/realtek/rtw88/rtw8822cs.c
new file mode 100644
index 000000000000..3d7279d70aa9
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822cs.c
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+// Copyright(c) Martin Blumenstingl <martin.blumenstingl@googlemail.com>
+
+#include <linux/mmc/sdio_func.h>
+#include <linux/mmc/sdio_ids.h>
+#include <linux/module.h>
+#include "sdio.h"
+#include "rtw8822c.h"
+
+static const struct sdio_device_id rtw_8822cs_id_table[] = {
+ {
+ SDIO_DEVICE(SDIO_VENDOR_ID_REALTEK,
+ SDIO_DEVICE_ID_REALTEK_RTW8822CS),
+ .driver_data = (kernel_ulong_t)&rtw8822c_hw_spec,
+ },
+ {}
+};
+MODULE_DEVICE_TABLE(sdio, rtw_8822cs_id_table);
+
+static struct sdio_driver rtw_8822cs_driver = {
+ .name = "rtw_8822cs",
+ .probe = rtw_sdio_probe,
+ .remove = rtw_sdio_remove,
+ .id_table = rtw_8822cs_id_table,
+ .drv = {
+ .pm = &rtw_sdio_pm_ops,
+ .shutdown = rtw_sdio_shutdown,
+ }
+};
+module_sdio_driver(rtw_8822cs_driver);
+
+MODULE_AUTHOR("Martin Blumenstingl <martin.blumenstingl@googlemail.com>");
+MODULE_DESCRIPTION("Realtek 802.11ac wireless 8822cs driver");
+MODULE_LICENSE("Dual BSD/GPL");
--
2.39.0