From patchwork Mon Jun 13 12:29:01 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Koul X-Patchwork-Id: 9172803 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EF79B604DB for ; Mon, 13 Jun 2016 12:25:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DF16325404 for ; Mon, 13 Jun 2016 12:25:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D350927C0C; Mon, 13 Jun 2016 12:25:09 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0BF1825404 for ; Mon, 13 Jun 2016 12:25:09 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 250B32659FB; Mon, 13 Jun 2016 14:25:08 +0200 (CEST) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 11579266097; Mon, 13 Jun 2016 14:23:08 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id D09D826609F; Mon, 13 Jun 2016 14:23:06 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by alsa0.perex.cz (Postfix) with ESMTP id 35E162650D1 for ; Mon, 13 Jun 2016 14:22:37 +0200 (CEST) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga102.fm.intel.com with ESMTP; 13 Jun 2016 05:22:37 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,466,1459839600"; d="scan'208";a="826975783" Received: from vkoul-udesk7.iind.intel.com ([10.223.84.143]) by orsmga003.jf.intel.com with ESMTP; 13 Jun 2016 05:22:34 -0700 From: Vinod Koul To: alsa-devel@alsa-project.org Date: Mon, 13 Jun 2016 17:59:01 +0530 Message-Id: <1465820944-14774-5-git-send-email-vinod.koul@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1465820944-14774-1-git-send-email-vinod.koul@intel.com> References: <1465820944-14774-1-git-send-email-vinod.koul@intel.com> Cc: patches.audio@intel.com, Jayachandran B , liam.r.girdwood@linux.intel.com, Vinod Koul , broonie@kernel.org, Senthilnathan Veppur Subject: [alsa-devel] [PATCH 4/7] ASoC: Intel: Skylake: Enable firmware reload in suspend X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP From: Jayachandran B Broxton DSP needs retains code loaded during runtime_pm cycles. But it looses that on suspend cycle, so on resume we need to download the firmware again. This is done by adding a new flag and based on flag status, we download the firmware. Signed-off-by: Jayachandran B Signed-off-by: Senthilnathan Veppur Signed-off-by: Vinod Koul --- sound/soc/intel/skylake/bxt-sst.c | 9 +++++++++ sound/soc/intel/skylake/skl-sst-ipc.h | 3 +++ sound/soc/intel/skylake/skl-sst.c | 1 + sound/soc/intel/skylake/skl.c | 1 + 4 files changed, 14 insertions(+) diff --git a/sound/soc/intel/skylake/bxt-sst.c b/sound/soc/intel/skylake/bxt-sst.c index 46235b93e4f8..e50bac74f4a8 100644 --- a/sound/soc/intel/skylake/bxt-sst.c +++ b/sound/soc/intel/skylake/bxt-sst.c @@ -185,6 +185,7 @@ static int bxt_load_base_firmware(struct sst_dsp *ctx) } else { skl_dsp_set_state_locked(ctx, SKL_DSP_RUNNING); ret = 0; + skl->fw_loaded = true; } } @@ -200,6 +201,14 @@ static int bxt_set_dsp_D0(struct sst_dsp *ctx) skl->boot_complete = false; + if (skl->fw_loaded == false) { + dev_dbg(ctx->dev, "Re-loading fw\n"); + ret = bxt_load_base_firmware(ctx); + if (ret < 0) + dev_err(ctx->dev, "reload fw failed: %d\n", ret); + return ret; + } + ret = skl_dsp_enable_core(ctx); if (ret < 0) { dev_err(ctx->dev, "enable dsp core failed ret: %d\n", ret); diff --git a/sound/soc/intel/skylake/skl-sst-ipc.h b/sound/soc/intel/skylake/skl-sst-ipc.h index 9f24261abf3e..5102c7b415fe 100644 --- a/sound/soc/intel/skylake/skl-sst-ipc.h +++ b/sound/soc/intel/skylake/skl-sst-ipc.h @@ -63,6 +63,9 @@ struct skl_sst { /* Populate module information */ struct list_head uuid_list; + + /* Is firmware loaded */ + bool fw_loaded; }; struct skl_ipc_init_instance_msg { diff --git a/sound/soc/intel/skylake/skl-sst.c b/sound/soc/intel/skylake/skl-sst.c index 4cabae54a71e..dff1076a5f9e 100644 --- a/sound/soc/intel/skylake/skl-sst.c +++ b/sound/soc/intel/skylake/skl-sst.c @@ -153,6 +153,7 @@ static int skl_load_base_firmware(struct sst_dsp *ctx) dev_dbg(ctx->dev, "Download firmware successful%d\n", ret); skl_dsp_set_state_locked(ctx, SKL_DSP_RUNNING); + skl->fw_loaded = true; } return 0; transfer_firmware_failed: diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c index c0f5d5565dea..734072c79205 100644 --- a/sound/soc/intel/skylake/skl.c +++ b/sound/soc/intel/skylake/skl.c @@ -248,6 +248,7 @@ static int skl_suspend(struct device *dev) ret = _skl_suspend(ebus); if (ret < 0) return ret; + skl->skl_sst->fw_loaded = false; } if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) {