Return-path: Received: from sabertooth02.qualcomm.com ([65.197.215.38]:37826 "EHLO sabertooth02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752524AbdGaQcx (ORCPT ); Mon, 31 Jul 2017 12:32:53 -0400 Cc: Dedy Lansky , linux-wireless@vger.kernel.org, wil6210@qca.qualcomm.com, Maya Erez From: Maya Erez To: Kalle Valo Subject: [PATCH 09/10] wil6210: store FW RF calibration result Date: Mon, 31 Jul 2017 19:32:32 +0300 Message-Id: <1501518753-6339-10-git-send-email-qca_merez@qca.qualcomm.com> (sfid-20170731_183257_854041_6F57B6C8) In-Reply-To: <1501518753-6339-1-git-send-email-qca_merez@qca.qualcomm.com> References: <1501518753-6339-1-git-send-email-qca_merez@qca.qualcomm.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Dedy Lansky Store initial FW RF calibration result in driver. Set this calibration result back to FW after each FW reset in order to avoid future calibration procedures. Signed-off-by: Dedy Lansky Signed-off-by: Maya Erez --- drivers/net/wireless/ath/wil6210/main.c | 6 ++++++ drivers/net/wireless/ath/wil6210/wil6210.h | 6 ++++++ drivers/net/wireless/ath/wil6210/wmi.c | 5 +++++ drivers/net/wireless/ath/wil6210/wmi.h | 2 ++ 4 files changed, 19 insertions(+) diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index b1e2814..b89d017 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -1034,6 +1034,12 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw) wil_s(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, ICR), 0); wil_w(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, IMV), ~0); + if (wil->fw_calib_result > 0) { + __le32 val = cpu_to_le32(wil->fw_calib_result | + (CALIB_RESULT_SIGNATURE << 8)); + wil_w(wil, RGF_USER_FW_CALIB_RESULT, (u32 __force)val); + } + wil_release_cpu(wil); } diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index f1488299..9ad7b11 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -171,6 +171,10 @@ struct RGF_ICR { #define RGF_USER_USER_SCRATCH_PAD (0x8802bc) #define RGF_USER_BL (0x880A3C) /* Boot Loader */ #define RGF_USER_FW_REV_ID (0x880a8c) /* chip revision */ +#define RGF_USER_FW_CALIB_RESULT (0x880a90) /* b0-7:result + * b8-15:signature + */ + #define CALIB_RESULT_SIGNATURE (0x11) #define RGF_USER_CLKS_CTL_0 (0x880abc) #define BIT_USER_CLKS_CAR_AHB_SW_SEL BIT(1) /* ref clk/PLL */ #define BIT_USER_CLKS_RST_PWGD BIT(11) /* reset on "power good" */ @@ -735,6 +739,8 @@ struct wil6210_priv { enum wmi_ps_profile_type ps_profile; + int fw_calib_result; + #ifdef CONFIG_PM #ifdef CONFIG_PM_SLEEP struct notifier_block pm_notify; diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index a9487f2..ffdd2fa 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -344,6 +344,11 @@ static void wmi_evt_ready(struct wil6210_priv *wil, int id, void *d, int len) strlcpy(wdev->wiphy->fw_version, wil->fw_version, sizeof(wdev->wiphy->fw_version)); + if (len > offsetof(struct wmi_ready_event, rfc_read_calib_result)) { + wil_dbg_wmi(wil, "rfc calibration result %d\n", + evt->rfc_read_calib_result); + wil->fw_calib_result = evt->rfc_read_calib_result; + } wil_set_recovery_state(wil, fw_recovery_idle); set_bit(wil_status_fwready, wil->status); /* let the reset sequence continue */ diff --git a/drivers/net/wireless/ath/wil6210/wmi.h b/drivers/net/wireless/ath/wil6210/wmi.h index 4e31c2f..1b426d7 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.h +++ b/drivers/net/wireless/ath/wil6210/wmi.h @@ -1300,6 +1300,8 @@ struct wmi_ready_event { /* enum wmi_phy_capability */ u8 phy_capability; u8 numof_additional_mids; + u8 rfc_read_calib_result; + u8 reserved[3]; } __packed; /* WMI_NOTIFY_REQ_DONE_EVENTID */ -- 1.9.1