[PATCH v3 1/5] wifi: rtw88: add the RTL8723B chip type and SDIO helper

[luka.gejak@linux.dev]

From: Luka Gejak <luka.gejak@linux.dev>

The RTL8723B is a 802.11n combo chip whose SDIO variant, RTL8723BS, runs
a Realtek vendor firmware that differs from the firmware used by the
other rtw88 8723 family devices. Supporting it needs a number of small
adjustments spread across the shared core, all of which have to be
restricted to this one chip and bus combination.

Add the chip type and a helper that tests for it, so the changes that
follow can be gated without repeating the chip and bus comparison.

Signed-off-by: Luka Gejak <luka.gejak@linux.dev>
---
 drivers/net/wireless/realtek/rtw88/main.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h
index c6e981ba7986..8f86f7c12de5 100644
--- a/drivers/net/wireless/realtek/rtw88/main.h
+++ b/drivers/net/wireless/realtek/rtw88/main.h
@@ -194,6 +194,7 @@ enum rtw_chip_type {
 	RTW_CHIP_TYPE_8723D,
 	RTW_CHIP_TYPE_8821C,
 	RTW_CHIP_TYPE_8703B,
+	RTW_CHIP_TYPE_8723B,
 	RTW_CHIP_TYPE_8821A,
 	RTW_CHIP_TYPE_8812A,
 	RTW_CHIP_TYPE_8814A,
@@ -2194,6 +2195,12 @@ static inline bool rtw_chip_has_tx_stbc(struct rtw_dev *rtwdev)
 	return rtwdev->chip->tx_stbc;
 }
 
+static inline bool rtw_is_8723bs(struct rtw_dev *rtwdev)
+{
+	return rtwdev->chip->id == RTW_CHIP_TYPE_8723B &&
+	       rtwdev->hci.type == RTW_HCI_TYPE_SDIO;
+}
+
 static inline u8 rtw_acquire_macid(struct rtw_dev *rtwdev)
 {
 	unsigned long mac_id;
-- 
2.53.0