wifi: rtw89: add chip_info::chip_gen to determine chip generation

The coming WiFi 7 chip is 8922AE which uses different hardware rate and
register naming rule. Adding a chip_info::chip_gen field can help to
do things by generations accordingly.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230728070252.66525-2-pkshih@realtek.com

drivers/net/wireless/realtek/rtw89/core.h

@@ -109,6 +109,14 @@ enum rtw89_core_chip_id {
 	RTL8852B,
 	RTL8852C,
 	RTL8851B,
+	RTL8922A,
+};
+
+enum rtw89_chip_gen {
+	RTW89_CHIP_AX,
+	RTW89_CHIP_BE,
+
+	RTW89_CHIP_GEN_NUM,
 };
 
 enum rtw89_cv {
@@ -3177,6 +3185,7 @@ struct rtw89_antdiv_info {
 
 struct rtw89_chip_info {
 	enum rtw89_core_chip_id chip_id;
+	enum rtw89_chip_gen chip_gen;
 	const struct rtw89_chip_ops *ops;
 	const char *fw_basename;
 	u8 fw_format_max;

drivers/net/wireless/realtek/rtw89/rtw8851b.c

@@ -2334,6 +2334,7 @@ static const struct wiphy_wowlan_support rtw_wowlan_stub_8851b = {
 
 const struct rtw89_chip_info rtw8851b_chip_info = {
 	.chip_id		= RTL8851B,
+	.chip_gen		= RTW89_CHIP_AX,
 	.ops			= &rtw8851b_chip_ops,
 	.fw_basename		= RTW8851B_FW_BASENAME,
 	.fw_format_max		= RTW8851B_FW_FORMAT_MAX,

drivers/net/wireless/realtek/rtw89/rtw8852a.c

@@ -2071,6 +2071,7 @@ static const struct rtw89_chip_ops rtw8852a_chip_ops = {
 
 const struct rtw89_chip_info rtw8852a_chip_info = {
 	.chip_id		= RTL8852A,
+	.chip_gen		= RTW89_CHIP_AX,
 	.ops			= &rtw8852a_chip_ops,
 	.fw_basename		= RTW8852A_FW_BASENAME,
 	.fw_format_max		= RTW8852A_FW_FORMAT_MAX,

drivers/net/wireless/realtek/rtw89/rtw8852b.c

@@ -2503,6 +2503,7 @@ static const struct wiphy_wowlan_support rtw_wowlan_stub_8852b = {
 
 const struct rtw89_chip_info rtw8852b_chip_info = {
 	.chip_id		= RTL8852B,
+	.chip_gen		= RTW89_CHIP_AX,
 	.ops			= &rtw8852b_chip_ops,
 	.fw_basename		= RTW8852B_FW_BASENAME,
 	.fw_format_max		= RTW8852B_FW_FORMAT_MAX,

drivers/net/wireless/realtek/rtw89/rtw8852c.c

@@ -2802,6 +2802,7 @@ static const struct rtw89_chip_ops rtw8852c_chip_ops = {
 
 const struct rtw89_chip_info rtw8852c_chip_info = {
 	.chip_id		= RTL8852C,
+	.chip_gen		= RTW89_CHIP_AX,
 	.ops			= &rtw8852c_chip_ops,
 	.fw_basename		= RTW8852C_FW_BASENAME,
 	.fw_format_max		= RTW8852C_FW_FORMAT_MAX,