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Commit 0fa4fbe9 authored by Govind Singh's avatar Govind Singh Committed by Kalle Valo
Browse files

ath10k: add hif power-up/power-down methods 



Add hif power-up/power-down methods for wcn3990
target.

Signed-off-by: default avatarGovind Singh <govinds@codeaurora.org>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 84efe7f6

drivers/net/wireless/ath/ath10k/snoc.c

+61 −0
Original line number Diff line number Diff line
@@ -519,6 +519,65 @@ static int ath10k_snoc_hif_start(struct ath10k *ar) 
	return 0;

}



static int ath10k_snoc_init_pipes(struct ath10k *ar)

{

	int i, ret;



	for (i = 0; i < CE_COUNT; i++) {

		ret = ath10k_ce_init_pipe(ar, i, &host_ce_config_wlan[i]);

		if (ret) {

			ath10k_err(ar, "failed to initialize copy engine pipe %d: %d\n",

				   i, ret);

			return ret;

		}

	}



	return 0;

}



static int ath10k_snoc_wlan_enable(struct ath10k *ar)

{

	return 0;

}



static void ath10k_snoc_wlan_disable(struct ath10k *ar)

{

}



static void ath10k_snoc_hif_power_down(struct ath10k *ar)

{

	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot hif power down\n");



	ath10k_snoc_wlan_disable(ar);

}



static int ath10k_snoc_hif_power_up(struct ath10k *ar)

{

	int ret;



	ath10k_dbg(ar, ATH10K_DBG_SNOC, "%s:WCN3990 driver state = %d\n",

		   __func__, ar->state);



	ret = ath10k_snoc_wlan_enable(ar);

	if (ret) {

		ath10k_err(ar, "failed to enable wcn3990: %d\n", ret);

		return ret;

	}



	ret = ath10k_snoc_init_pipes(ar);

	if (ret) {

		ath10k_err(ar, "failed to initialize CE: %d\n", ret);

		goto err_wlan_enable;

	}



	return 0;



err_wlan_enable:

	ath10k_snoc_wlan_disable(ar);



	return ret;

}



static const struct ath10k_hif_ops ath10k_snoc_hif_ops = {

	.read32		= ath10k_snoc_read32,

	.write32	= ath10k_snoc_write32,
@@ -526,6 +585,8 @@ static const struct ath10k_hif_ops ath10k_snoc_hif_ops = { 
	.stop		= ath10k_snoc_hif_stop,

	.map_service_to_pipe	= ath10k_snoc_hif_map_service_to_pipe,

	.get_default_pipe	= ath10k_snoc_hif_get_default_pipe,

	.power_up		= ath10k_snoc_hif_power_up,

	.power_down		= ath10k_snoc_hif_power_down,

};



static const struct ath10k_bus_ops ath10k_snoc_bus_ops = {