drivers: wifi: separate nrf70 buslib from driver lib

Separate the nRF70 wifi driver from the bus driver. Create a new
nrf70_bus library separate from the wifi driver. Further link the
nrf70_bus library with the wifi driver library so this change will
be agnostic to users of wifi library.

Signed-off-by: Bansidhar P.M. <[email protected]>

Author: bama-nordic

drivers/wifi/nrfwifi/CMakeLists.txt

@@ -18,7 +18,6 @@ zephyr_include_directories(
   ${OS_AGNOSTIC_BASE}/fw_if/umac_if/inc
   ${OS_AGNOSTIC_BASE}/fw_load/mips/fw/inc
   ${OS_AGNOSTIC_BASE}/hw_if/hal/inc
-  src/qspi/inc
   # for net_sprint_ll_addr
   ${ZEPHYR_BASE}/subsys/net/ip
   ${OS_AGNOSTIC_BASE}/hw_if/hal/inc/fw
@@ -62,9 +61,7 @@ zephyr_library_sources(
   src/shim.c
   src/work.c
   src/timer.c
-  src/qspi/src/device.c
-  src/qspi/src/rpu_hw_if.c
-  src/qspi/src/ficr_prog.c
+  src/ficr_prog.c
 )
 
 zephyr_library_sources_ifndef(CONFIG_NRF70_OFFLOADED_RAW_TX
@@ -132,14 +129,6 @@ zephyr_library_sources_ifdef(CONFIG_NRF70_PROMISC_DATA_RX
   ${OS_AGNOSTIC_BASE}/fw_if/umac_if/src/fmac_promisc.c
 )
 
-zephyr_library_sources_ifdef(CONFIG_NRF70_ON_QSPI
-  src/qspi/src/qspi_if.c
-)
-
-zephyr_library_sources_ifdef(CONFIG_NRF70_ON_SPI
-  src/qspi/src/spi_if.c
-)
-
 zephyr_library_sources_ifdef(CONFIG_NRF70_UTIL
   src/wifi_util.c
 )
@@ -349,3 +338,6 @@ zephyr_compile_definitions(
   -DNRF_WIFI_PS_INT_PS=${CONFIG_NRF_WIFI_PS_INT_PS}
   -DNRF_WIFI_RPU_RECOVERY_PS_ACTIVE_TIMEOUT_MS=${CONFIG_NRF_WIFI_RPU_RECOVERY_PS_ACTIVE_TIMEOUT_MS}
 )
+
+target_link_libraries(nrfwifi PRIVATE nrf70-buslib)
+

drivers/wifi/nrfwifi/Kconfig.nrfwifi

@@ -20,29 +20,6 @@ menuconfig WIFI_NRF70
 	  Nordic Wi-Fi Driver
 
 if WIFI_NRF70
-# Hidden symbols for internal use
-config WIFI_NRF7002
-	bool
-	default y if DT_HAS_NORDIC_NRF7002_SPI_ENABLED || DT_HAS_NORDIC_NRF7002_QSPI_ENABLED
-
-config WIFI_NRF7001
-	bool
-	default y if DT_HAS_NORDIC_NRF7001_SPI_ENABLED || DT_HAS_NORDIC_NRF7001_QSPI_ENABLED
-
-config WIFI_NRF7000
-	bool
-	default y if DT_HAS_NORDIC_NRF7000_SPI_ENABLED || DT_HAS_NORDIC_NRF7000_QSPI_ENABLED
-
-
-module = WIFI_NRF70_BUS
-module-dep = LOG
-module-str = Log level for Wi-Fi nRF70 bus layers
-module-help = Sets log level for Wi-Fi nRF70 bus layers
-source "subsys/net/Kconfig.template.log_config.net"
-
-config WIFI_NRF70_BUS_LOG_LEVEL
-	# Enable error by default
-	default 1
 
 choice NRF70_OPER_MODES
 	bool "nRF70 operating modes"

drivers/wifi/nrfwifi/src/qspi/inc/ficr_prog.h renamed to drivers/wifi/nrfwifi/inc/ficr_prog.h

@@ -15,7 +15,7 @@
 #include "ficr_prog.h"
 
 
-LOG_MODULE_DECLARE(otp_prog, CONFIG_WIFI_NRF70_BUS_LOG_LEVEL);
+LOG_MODULE_DECLARE(wifi_nrf, CONFIG_WIFI_NRF70_LOG_LEVEL);
 
 static void write_word(unsigned int addr, unsigned int data)
 {