wifi: rtw88: SDIO device driver for RTL8723CS

This driver uses the new rtw8703b chip driver code.

Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # For SDIO
Tested-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Fiona Klute <fiona.klute@gmx.de>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240311103735.615541-10-fiona.klute@gmx.de

diff --git a/drivers/net/wireless/realtek/rtw88/Kconfig b/drivers/net/wireless/realtek/rtw88/Kconfig
index 07b5b2f6eef7041103f314edb5a509ddcf63f46d..22838ede03cd80d49f3a09773c12832c13506222 100644 (file)
--- a/drivers/net/wireless/realtek/rtw88/Kconfig
+++ b/drivers/net/wireless/realtek/rtw88/Kconfig
@@ -31,6 +31,10 @@ config RTW88_8822C
 config RTW88_8723X
        tristate
 
+config RTW88_8703B
+       tristate
+       select RTW88_8723X
+
 config RTW88_8723D
        tristate
        select RTW88_8723X
@@ -126,6 +130,20 @@ config RTW88_8723DS
 
          802.11n SDIO wireless network adapter
 
+config RTW88_8723CS
+       tristate "Realtek 8723CS SDIO wireless network adapter"
+       depends on MMC
+       select RTW88_CORE
+       select RTW88_SDIO
+       select RTW88_8703B
+       help
+         Select this option to enable support for 8723CS chipset (EXPERIMENTAL)
+
+         This module adds support for the 8723CS 802.11n SDIO
+         wireless network adapter.
+
+         If you choose to build a module, it'll be called rtw88_8723cs.
+
 config RTW88_8723DU
        tristate "Realtek 8723DU USB wireless network adapter"
        depends on USB

diff --git a/drivers/net/wireless/realtek/rtw88/Makefile b/drivers/net/wireless/realtek/rtw88/Makefile
index 22516c984608f3d32c6a28ddfea5020bd918e485..8f47359b438079784cdcc93d9342c09c376499eb 100644 (file)
--- a/drivers/net/wireless/realtek/rtw88/Makefile
+++ b/drivers/net/wireless/realtek/rtw88/Makefile
@@ -47,6 +47,12 @@ rtw88_8822cu-objs            := rtw8822cu.o
 obj-$(CONFIG_RTW88_8723X)      += rtw88_8723x.o
 rtw88_8723x-objs               := rtw8723x.o
 
+obj-$(CONFIG_RTW88_8703B)      += rtw88_8703b.o
+rtw88_8703b-objs               := rtw8703b.o rtw8703b_tables.o
+
+obj-$(CONFIG_RTW88_8723CS)     += rtw88_8723cs.o
+rtw88_8723cs-objs              := rtw8723cs.o
+
 obj-$(CONFIG_RTW88_8723D)      += rtw88_8723d.o
 rtw88_8723d-objs               := rtw8723d.o rtw8723d_table.o
 

diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723cs.c b/drivers/net/wireless/realtek/rtw88/rtw8723cs.c
new file mode 100644 (file)
index 0000000..8d38d36
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8723cs.c
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/* Copyright Fiona Klute <fiona.klute@gmx.de> */
+
+#include <linux/mmc/sdio_func.h>
+#include <linux/mmc/sdio_ids.h>
+#include <linux/module.h>
+#include "main.h"
+#include "rtw8703b.h"
+#include "sdio.h"
+
+static const struct sdio_device_id rtw_8723cs_id_table[] = {
+       {
+               SDIO_DEVICE(SDIO_VENDOR_ID_REALTEK,
+                           SDIO_DEVICE_ID_REALTEK_RTW8723CS),
+               .driver_data = (kernel_ulong_t)&rtw8703b_hw_spec,
+       },
+       {}
+};
+MODULE_DEVICE_TABLE(sdio, rtw_8723cs_id_table);
+
+static struct sdio_driver rtw_8723cs_driver = {
+       .name = "rtw8723cs",
+       .id_table = rtw_8723cs_id_table,
+       .probe = rtw_sdio_probe,
+       .remove = rtw_sdio_remove,
+       .drv = {
+               .pm = &rtw_sdio_pm_ops,
+               .shutdown = rtw_sdio_shutdown
+       }};
+module_sdio_driver(rtw_8723cs_driver);
+
+MODULE_AUTHOR("Fiona Klute <fiona.klute@gmx.de>");
+MODULE_DESCRIPTION("Realtek 802.11n wireless 8723cs driver");
+MODULE_LICENSE("Dual BSD/GPL");

diff --git a/include/linux/mmc/sdio_ids.h b/include/linux/mmc/sdio_ids.h
index 7fada7a714fed0f9f2b80cf168e3ab7a7a0d769e..7cddfdac2f5762df5150b96c70efacecd527a81e 100644 (file)
--- a/include/linux/mmc/sdio_ids.h
+++ b/include/linux/mmc/sdio_ids.h
@@ -124,6 +124,7 @@
 #define SDIO_DEVICE_ID_REALTEK_RTW8723DS_2ANT  0xd723
 #define SDIO_DEVICE_ID_REALTEK_RTW8723DS_1ANT  0xd724
 #define SDIO_DEVICE_ID_REALTEK_RTW8821DS       0xd821
+#define SDIO_DEVICE_ID_REALTEK_RTW8723CS       0xb703
 
 #define SDIO_VENDOR_ID_SIANO                   0x039a
 #define SDIO_DEVICE_ID_SIANO_NOVA_B0           0x0201