From 0fa4fbe9b8cf7656813382602a6a5d330f01d3ae Mon Sep 17 00:00:00 2001 From: Govind Singh Date: Tue, 10 Apr 2018 18:01:22 +0300 Subject: [PATCH] ath10k: add hif power-up/power-down methods Add hif power-up/power-down methods for wcn3990 target. Signed-off-by: Govind Singh Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/snoc.c | 61 ++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/snoc.c b/drivers/net/wireless/ath/ath10k/snoc.c index a39eee7..9d402e4 100644 --- a/drivers/net/wireless/ath/ath10k/snoc.c +++ b/drivers/net/wireless/ath/ath10k/snoc.c @@ -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 = { -- 2.7.4