Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]:46820 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751821AbeCWFEB (ORCPT ); Fri, 23 Mar 2018 01:04:01 -0400 From: Govind Singh To: ath10k@lists.infradead.org Cc: linux-wireless@vger.kernel.org, Govind Singh Subject: [PATCH v2 06/13] ath10k: Add hif power-up/power-down methods Date: Fri, 23 Mar 2018 10:33:37 +0530 Message-Id: <1521781424-24972-7-git-send-email-govinds@codeaurora.org> (sfid-20180323_060407_008249_36045D92) In-Reply-To: <1521781424-24972-1-git-send-email-govinds@codeaurora.org> References: <1521781424-24972-1-git-send-email-govinds@codeaurora.org> Sender: linux-wireless-owner@vger.kernel.org List-ID: Add hif power-up/power-down methods for wcn3990 target. Signed-off-by: Govind Singh --- 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 int ath10k_snoc_hif_start(struct ath10k *ar) .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 = { -- 1.9.1