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drivers: wifi: Swctrl1 configuration for coex

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Support to configure swctrl1 as input or output for coexistence.

Signed-off-by: Murali Thokala <Murali.Thokala@nordicsemi.no>
This commit is contained in:
Murali Thokala 2025-04-01 12:01:09 +05:30 • committed by Benjamin Cabé
commit 03c5f5f083
3 changed files with 32 additions and 1 deletions
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12
drivers/wifi/nrf_wifi/Kconfig.nrfwifi
View file

@ -182,6 +182,18 @@ config NRF70_SR_COEX_RF_SWITCH
If this GPIO is asserted (1), the SR side RF switch is connected to the Wi-Fi side (shared antenna).
If this GPIO is de-asserted (0), the SR side RF switch is connected to the SR side (separate antenna).
config NRF70_SR_COEX_SLEEP_CTRL_GPIO_CTRL
bool "Configuration of GPIO control for coexistence"
default y
config NRF70_SR_COEX_SWCTRL1_OUTPUT
int "Configure SWCTRIL1 as output"
default 0
config NRF70_SR_COEX_BT_GRANT_ACTIVE_LOW
int "Configure BT grant active low"
default 1
config NRF70_WORKQ_STACK_SIZE
int "Stack size for workqueue"
default 4096

2
drivers/wifi/nrf_wifi/src/coex.c
View file

@ -103,7 +103,7 @@ const uint16_t config_buffer_5G[] = {
/* Shared antenna */
const uint32_t ch_config_sha[] = {
0x00000028, 0x00000000, 0x001e1023, 0x00000000, 0x00000000,
0x00000000, 0x00000021, 0x000002ca, 0x00000050, 0x00000000,
0x00000000, 0x00000021, 0x000002ca, 0x0000005A, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000
};

19
drivers/wifi/nrf_wifi/src/fmac_main.c
View file

@ -582,6 +582,13 @@ enum nrf_wifi_status nrf_wifi_fmac_dev_add_zep(struct nrf_wifi_drv_priv_zep *drv
unsigned int fw_ver = 0;
#if defined(CONFIG_NRF70_SR_COEX_SLEEP_CTRL_GPIO_CTRL) && \
defined(CONFIG_NRF70_SYSTEM_MODE)
unsigned int alt_swctrl1_function_bt_coex_status1 =
(~CONFIG_NRF70_SR_COEX_SWCTRL1_OUTPUT) & 0x1;
unsigned int invert_bt_coex_grant_output = CONFIG_NRF70_SR_COEX_BT_GRANT_ACTIVE_LOW;
#endif /* CONFIG_NRF70_SR_COEX_SLEEP_CTRL_GPIO_CTRL && CONFIG_NRF70_SYSTEM_MODE */
rpu_ctx_zep = &drv_priv_zep->rpu_ctx_zep;
rpu_ctx_zep->drv_priv_zep = drv_priv_zep;
@ -625,6 +632,18 @@ enum nrf_wifi_status nrf_wifi_fmac_dev_add_zep(struct nrf_wifi_drv_priv_zep *drv
configure_board_dep_params(&board_params);
#if defined(CONFIG_NRF70_SR_COEX_SLEEP_CTRL_GPIO_CTRL) && \
defined(CONFIG_NRF70_SYSTEM_MODE)
LOG_INF("Configuring SLEEP CTRL GPIO control register\n");
status = nrf_wifi_coex_config_sleep_ctrl_gpio_ctrl(rpu_ctx_zep->rpu_ctx,
alt_swctrl1_function_bt_coex_status1,
invert_bt_coex_grant_output);
if (status != NRF_WIFI_STATUS_SUCCESS) {
LOG_ERR("%s: Failed to configure GPIO control register", __func__);
goto err;
}
#endif /* CONFIG_NRF70_SR_COEX_SLEEP_CTRL_GPIO_CTRL && CONFIG_NRF70_SYSTEM_MODE */
#ifdef CONFIG_NRF70_RADIO_TEST
status = nrf_wifi_rt_fmac_dev_init(rpu_ctx_zep->rpu_ctx,
#ifdef CONFIG_NRF_WIFI_LOW_POWER