wifi: rtw89: pci: add PCI generation information to pci_info for each chip

In order to reuse PCI initial and configuration flows, add struct
rtw89_pci_gen_def to abstract the differences between WiFi 6/7 generations.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20231101072149.21997-2-pkshih@realtek.com

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

@@ -3853,6 +3853,10 @@ static int __maybe_unused rtw89_pci_resume(struct device *dev)
 SIMPLE_DEV_PM_OPS(rtw89_pm_ops, rtw89_pci_suspend, rtw89_pci_resume);
 EXPORT_SYMBOL(rtw89_pm_ops);
 
+const struct rtw89_pci_gen_def rtw89_pci_gen_ax = {
+};
+EXPORT_SYMBOL(rtw89_pci_gen_ax);
+
 static const struct rtw89_hci_ops rtw89_pci_ops = {
 	.tx_write	= rtw89_pci_ops_tx_write,
 	.tx_kick_off	= rtw89_pci_ops_tx_kick_off,

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

@@ -922,7 +922,11 @@ struct rtw89_pci_bd_ram {
 	u8 min_num;
 };
 
+struct rtw89_pci_gen_def {
+};
+
 struct rtw89_pci_info {
+	const struct rtw89_pci_gen_def *gen_def;
 	enum mac_ax_bd_trunc_mode txbd_trunc_mode;
 	enum mac_ax_bd_trunc_mode rxbd_trunc_mode;
 	enum mac_ax_rxbd_mode rxbd_mode;
@@ -1229,6 +1233,8 @@ extern const struct rtw89_pci_ch_dma_addr_set rtw89_pci_ch_dma_addr_set_v1;
 extern const struct rtw89_pci_ch_dma_addr_set rtw89_pci_ch_dma_addr_set_be;
 extern const struct rtw89_pci_bd_ram rtw89_bd_ram_table_dual[RTW89_TXCH_NUM];
 extern const struct rtw89_pci_bd_ram rtw89_bd_ram_table_single[RTW89_TXCH_NUM];
+extern const struct rtw89_pci_gen_def rtw89_pci_gen_ax;
+extern const struct rtw89_pci_gen_def rtw89_pci_gen_be;
 
 struct pci_device_id;
 

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

+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/* Copyright(c) 2023  Realtek Corporation
+ */
+
+#include <linux/pci.h>
+
+#include "pci.h"
+#include "reg.h"
+
+const struct rtw89_pci_gen_def rtw89_pci_gen_be = {
+};
+EXPORT_SYMBOL(rtw89_pci_gen_be);

drivers/net/wireless/realtek/rtw89/rtw8851be.c

@@ -10,6 +10,7 @@
 #include "rtw8851b.h"
 
 static const struct rtw89_pci_info rtw8851b_pci_info = {
+	.gen_def		= &rtw89_pci_gen_ax,
 	.txbd_trunc_mode	= MAC_AX_BD_TRUNC,
 	.rxbd_trunc_mode	= MAC_AX_BD_TRUNC,
 	.rxbd_mode		= MAC_AX_RXBD_PKT,

drivers/net/wireless/realtek/rtw89/rtw8852ae.c

@@ -10,6 +10,7 @@
 #include "rtw8852a.h"
 
 static const struct rtw89_pci_info rtw8852a_pci_info = {
+	.gen_def		= &rtw89_pci_gen_ax,
 	.txbd_trunc_mode	= MAC_AX_BD_TRUNC,
 	.rxbd_trunc_mode	= MAC_AX_BD_TRUNC,
 	.rxbd_mode		= MAC_AX_RXBD_PKT,

drivers/net/wireless/realtek/rtw89/rtw8852be.c

@@ -10,6 +10,7 @@
 #include "rtw8852b.h"
 
 static const struct rtw89_pci_info rtw8852b_pci_info = {
+	.gen_def		= &rtw89_pci_gen_ax,
 	.txbd_trunc_mode	= MAC_AX_BD_TRUNC,
 	.rxbd_trunc_mode	= MAC_AX_BD_TRUNC,
 	.rxbd_mode		= MAC_AX_RXBD_PKT,

drivers/net/wireless/realtek/rtw89/rtw8852ce.c

@@ -19,6 +19,7 @@ static const struct rtw89_pci_bd_idx_addr rtw8852c_bd_idx_addr_low_power = {
 };
 
 static const struct rtw89_pci_info rtw8852c_pci_info = {
+	.gen_def		= &rtw89_pci_gen_ax,
 	.txbd_trunc_mode	= MAC_AX_BD_TRUNC,
 	.rxbd_trunc_mode	= MAC_AX_BD_TRUNC,
 	.rxbd_mode		= MAC_AX_RXBD_PKT,

drivers/net/wireless/realtek/rtw89/rtw8922ae.c

@@ -9,6 +9,7 @@
 #include "reg.h"
 
 static const struct rtw89_pci_info rtw8922a_pci_info = {
+	.gen_def		= &rtw89_pci_gen_be,
 	.txbd_trunc_mode	= MAC_AX_BD_TRUNC,
 	.rxbd_trunc_mode	= MAC_AX_BD_TRUNC,
 	.rxbd_mode		= MAC_AX_RXBD_PKT,