Merge "cnss_utils: Export method to register avtimer ops" (40fbcc7f) · Commits · e / devices / android_kernel_xiaomi_nabu

drivers/net/wireless/cnss_utils/cnss_utils.c

+55 −0

Original line number	Diff line number	Diff line
		@@ -49,6 +49,10 @@ struct cnss_wlan_mac_addr {
		u32 no_of_mac_addr_set;
		};

		#ifdef CONFIG_CNSS_TIMESYNC
		static struct avtimer_cnss_fptr_t avtimer_func;
		#endif

		enum mac_type {
		CNSS_MAC_PROVISIONED,
		CNSS_MAC_DERIVED,
		@@ -68,6 +72,54 @@ static struct cnss_utils_priv {
		struct dentry *root_dentry;
		} *cnss_utils_priv;

		#ifdef CONFIG_CNSS_TIMESYNC
		/**
		* cnss_utils_set_avtimer_fptr() - Set avtimer function pointer
		* @avtimer: struct of type avtimer_cnss_fptr_t to hold function pointer.
		*
		* Initialize the function pointers sent by the avtimer driver
		*
		*/
		void cnss_utils_set_avtimer_fptr(struct avtimer_cnss_fptr_t avtimer)
		{
		avtimer_func.fptr_avtimer_open = avtimer.fptr_avtimer_open;
		avtimer_func.fptr_avtimer_enable = avtimer.fptr_avtimer_enable;
		avtimer_func.fptr_avtimer_get_time = avtimer.fptr_avtimer_get_time;
		}
		EXPORT_SYMBOL(cnss_utils_set_avtimer_fptr);

		static void cnss_utils_start_avtimer(void)
		{
		if (avtimer_func.fptr_avtimer_open &&
		avtimer_func.fptr_avtimer_enable) {
		avtimer_func.fptr_avtimer_open();
		avtimer_func.fptr_avtimer_enable(1);
		} else {
		pr_err("AV Timer is not supported\n");
		}
		}

		static void cnss_utils_stop_avtimer(void)
		{
		if (avtimer_func.fptr_avtimer_enable)
		avtimer_func.fptr_avtimer_enable(0);
		else
		pr_err("AV Timer is not supported\n");
		}
		#else
		static void cnss_utils_start_avtimer(void)
		{
		pr_err("AV Timer is not supported\n");
		}
		EXPORT_SYMBOL(cnss_utils_start_avtimer);

		static void cnss_utils_stop_avtimer(void)
		{
		pr_err("AV Timer is not supported\n");
		}
		EXPORT_SYMBOL(cnss_utils_stop_avtimer);
		#endif

		int cnss_utils_set_wlan_unsafe_channel(struct device *dev,
		u16 *unsafe_ch_list, u16 ch_count)
		{
		@@ -384,6 +436,7 @@ int cnss_get_audio_wlan_timestamp(struct device *dev,
		return -ENOMEM;
		}

		cnss_utils_start_avtimer();
		/* Enable PMU int for audio strobe, int #23, is enabled */
		value = ioread32(lpass_pmu_int_en);
		iowrite32(value \| BIT(23), lpass_pmu_int_en);
		@@ -414,6 +467,8 @@ int cnss_get_audio_wlan_timestamp(struct device *dev,
		value = ioread32(lpass_pmu_int_clr);
		iowrite32(value \| BIT(23), lpass_pmu_int_clr);

		cnss_utils_stop_avtimer();

		return 0;
		}
		EXPORT_SYMBOL(cnss_get_audio_wlan_timestamp);

include/net/cnss_utils.h

+8 −0

Original line number	Diff line number	Diff line
		@@ -45,9 +45,17 @@ enum wlan_time_sync_trigger_type {
		CNSS_NEGATIVE_EDGE_TRIGGER,
		};

		struct avtimer_cnss_fptr_t {
		int (*fptr_avtimer_open)(void);
		int (*fptr_avtimer_enable)(int enable);
		int (fptr_avtimer_get_time)(uint64_t avtimer_tick);
		};

		extern int cnss_get_audio_wlan_timestamp(struct device *dev,
		enum wlan_time_sync_trigger_type type,
		u64 *lpass_ts);

		extern void cnss_utils_set_avtimer_fptr(struct avtimer_cnss_fptr_t avtimer);
		#endif

		#endif