rtw88: extract: make 8822c an individual kernel module

Make objects about 8822c functions and 8822c tables,
i.e. rtw8822c.o and rtw8822c_table.o, an individual
kernel module called rtw88_8822c.ko.

For 8822c pcie chip, i.e. 8822CE chip, add a chip
entry point module called rtw88_8822ce.ko which
will depend on rtw88_8822c.ko and rtwpci.ko.
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200515052327.31874-4-yhchuang@realtek.com

drivers/net/wireless/realtek/rtw88/Kconfig

@@ -16,6 +16,9 @@ config RTW88_CORE
 config RTW88_PCI
 	tristate
 
+config RTW88_8822C
+	tristate
+
 config RTW88_8822BE
 	bool "Realtek 8822BE PCI wireless network adapter"
 	depends on PCI
@@ -27,10 +30,11 @@ config RTW88_8822BE
 	  802.11ac PCIe wireless network adapter
 
 config RTW88_8822CE
-	bool "Realtek 8822CE PCI wireless network adapter"
+	tristate "Realtek 8822CE PCI wireless network adapter"
 	depends on PCI
 	select RTW88_CORE
 	select RTW88_PCI
+	select RTW88_8822C
 	help
 	  Select this option will enable support for 8822CE chipset
 

drivers/net/wireless/realtek/rtw88/Makefile

@@ -19,8 +19,13 @@ rtw88-y += main.o \
 	   regd.o
 
 rtw88-$(CONFIG_RTW88_8822BE)	+= rtw8822b.o rtw8822b_table.o
-rtw88-$(CONFIG_RTW88_8822CE)	+= rtw8822c.o rtw8822c_table.o
 rtw88-$(CONFIG_RTW88_8723DE)	+= rtw8723d.o rtw8723d_table.o
 
+obj-$(CONFIG_RTW88_8822C)	+= rtw88_8822c.o
+rtw88_8822c-objs		:= rtw8822c.o rtw8822c_table.o
+
+obj-$(CONFIG_RTW88_8822CE)	+= rtw88_8822ce.o
+rtw88_8822ce-objs		:= rtw8822ce.o
+
 obj-$(CONFIG_RTW88_PCI)		+= rtwpci.o
 rtwpci-objs			:= pci.o

drivers/net/wireless/realtek/rtw88/main.h

@@ -41,7 +41,6 @@ extern unsigned int rtw_fw_lps_deep_mode;
 extern unsigned int rtw_debug_mask;
 extern const struct ieee80211_ops rtw_ops;
 extern struct rtw_chip_info rtw8822b_hw_spec;
-extern struct rtw_chip_info rtw8822c_hw_spec;
 extern struct rtw_chip_info rtw8723d_hw_spec;
 
 #define RTW_MAX_CHANNEL_NUM_2G 14

drivers/net/wireless/realtek/rtw88/pci.c

@@ -1597,9 +1597,6 @@ static const struct pci_device_id rtw_pci_id_table[] = {
 #ifdef CONFIG_RTW88_8822BE
 	{ RTK_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0xB822, rtw8822b_hw_spec) },
 #endif
-#ifdef CONFIG_RTW88_8822CE
-	{ RTK_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0xC822, rtw8822c_hw_spec) },
-#endif
 #ifdef CONFIG_RTW88_8723DE
 	{ RTK_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0xD723, rtw8723d_hw_spec) },
 #endif

drivers/net/wireless/realtek/rtw88/rtw8822c.c

@@ -2,6 +2,7 @@
 /* Copyright(c) 2018-2019  Realtek Corporation
  */
 
+#include <linux/module.h>
 #include "main.h"
 #include "coex.h"
 #include "fw.h"
@@ -4377,3 +4378,7 @@ EXPORT_SYMBOL(rtw8822c_hw_spec);
 
 MODULE_FIRMWARE("rtw88/rtw8822c_fw.bin");
 MODULE_FIRMWARE("rtw88/rtw8822c_wow_fw.bin");
+
+MODULE_AUTHOR("Realtek Corporation");
+MODULE_DESCRIPTION("Realtek 802.11ac wireless 8822c driver");
+MODULE_LICENSE("Dual BSD/GPL");

drivers/net/wireless/realtek/rtw88/rtw8822ce.c

+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/* Copyright(c) 2018-2019  Realtek Corporation
+ */
+
+#include <linux/module.h>
+#include <linux/pci.h>
+#include "rtw8822ce.h"
+
+static const struct pci_device_id rtw_8822ce_id_table[] = {
+	{
+		PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0xC822),
+		.driver_data = (kernel_ulong_t)&rtw8822c_hw_spec
+	},
+	{}
+};
+MODULE_DEVICE_TABLE(pci, rtw_8822ce_id_table);
+
+static struct pci_driver rtw_8822ce_driver = {
+	.name = "rtw_8822ce",
+	.id_table = rtw_8822ce_id_table,
+	.probe = rtw_pci_probe,
+	.remove = rtw_pci_remove,
+	.driver.pm = &rtw_pm_ops,
+	.shutdown = rtw_pci_shutdown,
+};
+module_pci_driver(rtw_8822ce_driver);
+
+MODULE_AUTHOR("Realtek Corporation");
+MODULE_DESCRIPTION("Realtek 802.11ac wireless 8822ce driver");
+MODULE_LICENSE("Dual BSD/GPL");

drivers/net/wireless/realtek/rtw88/rtw8822ce.h

+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/* Copyright(c) 2018-2019  Realtek Corporation
+ */
+
+#ifndef __RTW_8822CE_H_
+#define __RTW_8822CE_H_
+
+extern const struct dev_pm_ops rtw_pm_ops;
+extern struct rtw_chip_info rtw8822c_hw_spec;
+int rtw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id);
+void rtw_pci_remove(struct pci_dev *pdev);
+void rtw_pci_shutdown(struct pci_dev *pdev);
+
+#endif