From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CDDA3C3A59E for ; Wed, 21 Aug 2019 20:18:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A8C0B2332A for ; Wed, 21 Aug 2019 20:18:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730497AbfHUUSB (ORCPT ); Wed, 21 Aug 2019 16:18:01 -0400 Received: from mga09.intel.com ([134.134.136.24]:54887 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729782AbfHUUSB (ORCPT ); Wed, 21 Aug 2019 16:18:01 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Aug 2019 13:18:00 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,412,1559545200"; d="scan'208";a="186344192" Received: from smasango-mobl1.amr.corp.intel.com (HELO pbossart-mobl3.intel.com) ([10.252.139.100]) by FMSMGA003.fm.intel.com with ESMTP; 21 Aug 2019 13:17:57 -0700 From: Pierre-Louis Bossart To: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org, tiwai@suse.de, broonie@kernel.org, vkoul@kernel.org, gregkh@linuxfoundation.org, jank@cadence.com, srinivas.kandagatla@linaro.org, slawomir.blauciak@intel.com, Bard liao , Rander Wang , Ranjani Sridharan , Pierre-Louis Bossart , Liam Girdwood , Jaroslav Kysela , Takashi Iwai , YueHaibing , Zhu Yingjiang , Kai Vehmanen , Arnd Bergmann , Guennadi Liakhovetski , Keyon Jie , Pan Xiuli , Fred Oh , Daniel Baluta Subject: [RFC PATCH 3/5] ASoC: SOF: Intel: hda: add SoundWire IP support Date: Wed, 21 Aug 2019 15:17:18 -0500 Message-Id: <20190821201720.17768-4-pierre-louis.bossart@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190821201720.17768-1-pierre-louis.bossart@linux.intel.com> References: <20190821201720.17768-1-pierre-louis.bossart@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The Core0 needs to be powered before the SoundWire IP is initialized. Call sdw_intel_init/exit and store the context. We only have one context, but depending on the hardware capabilities and BIOS settings may enable multiple SoundWire links. Signed-off-by: Pierre-Louis Bossart --- sound/soc/sof/intel/hda.c | 40 +++++++++++++++++++++++++++++++++------ sound/soc/sof/intel/hda.h | 5 +++++ 2 files changed, 39 insertions(+), 6 deletions(-) diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c index a968890d0754..e754058e3679 100644 --- a/sound/soc/sof/intel/hda.c +++ b/sound/soc/sof/intel/hda.c @@ -57,6 +57,8 @@ static int hda_sdw_init(struct snd_sof_dev *sdev) { acpi_handle handle; struct sdw_intel_res res; + struct sof_intel_hda_dev *hdev; + void *sdw; handle = ACPI_HANDLE(sdev->dev); @@ -66,23 +68,32 @@ static int hda_sdw_init(struct snd_sof_dev *sdev) res.irq = sdev->ipc_irq; res.parent = sdev->dev; - hda_sdw_int_enable(sdev, true); - - sdev->sdw = sdw_intel_init(handle, &res); - if (!sdev->sdw) { + sdw = sdw_intel_init(handle, &res); + if (!sdw) { dev_err(sdev->dev, "SDW Init failed\n"); return -EIO; } + hda_sdw_int_enable(sdev, true); + + /* save context */ + hdev = sdev->pdata->hw_pdata; + hdev->sdw = sdw; + return 0; } static int hda_sdw_exit(struct snd_sof_dev *sdev) { + struct sof_intel_hda_dev *hdev; + + hdev = sdev->pdata->hw_pdata; + hda_sdw_int_enable(sdev, false); - if (sdev->sdw) - sdw_intel_exit(sdev->sdw); + if (hdev->sdw) + sdw_intel_exit(hdev->sdw); + hdev->sdw = NULL; return 0; } @@ -713,6 +724,21 @@ int hda_dsp_probe(struct snd_sof_dev *sdev) /* set default mailbox offset for FW ready message */ sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET; + /* need to power-up core before setting-up capabilities */ + ret = hda_dsp_core_power_up(sdev, HDA_DSP_CORE_MASK(0)); + if (ret < 0) { + dev_err(sdev->dev, "error: could not power-up DSP subsystem\n"); + goto free_ipc_irq; + } + + /* initialize SoundWire capabilities */ + ret = hda_sdw_init(sdev); + if (ret < 0) { + dev_err(sdev->dev, "error: SoundWire get caps error\n"); + hda_dsp_core_power_down(sdev, HDA_DSP_CORE_MASK(0)); + goto free_ipc_irq; + } + return 0; free_ipc_irq: @@ -744,6 +770,8 @@ int hda_dsp_remove(struct snd_sof_dev *sdev) snd_hdac_ext_bus_device_remove(bus); #endif + hda_sdw_exit(sdev); + if (!IS_ERR_OR_NULL(hda->dmic_dev)) platform_device_unregister(hda->dmic_dev); diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h index c8f93317aeb4..48e09b7daf0a 100644 --- a/sound/soc/sof/intel/hda.h +++ b/sound/soc/sof/intel/hda.h @@ -399,6 +399,11 @@ struct sof_intel_hda_dev { /* DMIC device */ struct platform_device *dmic_dev; + +#if IS_ENABLED(CONFIG_SOUNDWIRE_INTEL) + /* sdw context */ + void *sdw; +#endif }; static inline struct hdac_bus *sof_to_bus(struct snd_sof_dev *s) -- 2.20.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pierre-Louis Bossart Subject: [RFC PATCH 3/5] ASoC: SOF: Intel: hda: add SoundWire IP support Date: Wed, 21 Aug 2019 15:17:18 -0500 Message-ID: <20190821201720.17768-4-pierre-louis.bossart@linux.intel.com> References: <20190821201720.17768-1-pierre-louis.bossart@linux.intel.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190821201720.17768-1-pierre-louis.bossart@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org To: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org, tiwai@suse.de, broonie@kernel.org, vkoul@kernel.org, gregkh@linuxfoundation.org, jank@cadence.com, srinivas.kandagatla@linaro.org, slawomir.blauciak@intel.com, Bard liao , Rander Wang , Ranjani Sridharan , Pierre-Louis Bossart , Liam Girdwood , Jaroslav Kysela , Takashi Iwai , YueHaibing , Zhu Yingjiang , Kai Vehmanen , Arnd Bergmann , Guennadi Liakhovetski , Keyon Jie Pan Xiuli List-Id: alsa-devel@alsa-project.org The Core0 needs to be powered before the SoundWire IP is initialized. Call sdw_intel_init/exit and store the context. We only have one context, but depending on the hardware capabilities and BIOS settings may enable multiple SoundWire links. Signed-off-by: Pierre-Louis Bossart --- sound/soc/sof/intel/hda.c | 40 +++++++++++++++++++++++++++++++++------ sound/soc/sof/intel/hda.h | 5 +++++ 2 files changed, 39 insertions(+), 6 deletions(-) diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c index a968890d0754..e754058e3679 100644 --- a/sound/soc/sof/intel/hda.c +++ b/sound/soc/sof/intel/hda.c @@ -57,6 +57,8 @@ static int hda_sdw_init(struct snd_sof_dev *sdev) { acpi_handle handle; struct sdw_intel_res res; + struct sof_intel_hda_dev *hdev; + void *sdw; handle = ACPI_HANDLE(sdev->dev); @@ -66,23 +68,32 @@ static int hda_sdw_init(struct snd_sof_dev *sdev) res.irq = sdev->ipc_irq; res.parent = sdev->dev; - hda_sdw_int_enable(sdev, true); - - sdev->sdw = sdw_intel_init(handle, &res); - if (!sdev->sdw) { + sdw = sdw_intel_init(handle, &res); + if (!sdw) { dev_err(sdev->dev, "SDW Init failed\n"); return -EIO; } + hda_sdw_int_enable(sdev, true); + + /* save context */ + hdev = sdev->pdata->hw_pdata; + hdev->sdw = sdw; + return 0; } static int hda_sdw_exit(struct snd_sof_dev *sdev) { + struct sof_intel_hda_dev *hdev; + + hdev = sdev->pdata->hw_pdata; + hda_sdw_int_enable(sdev, false); - if (sdev->sdw) - sdw_intel_exit(sdev->sdw); + if (hdev->sdw) + sdw_intel_exit(hdev->sdw); + hdev->sdw = NULL; return 0; } @@ -713,6 +724,21 @@ int hda_dsp_probe(struct snd_sof_dev *sdev) /* set default mailbox offset for FW ready message */ sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET; + /* need to power-up core before setting-up capabilities */ + ret = hda_dsp_core_power_up(sdev, HDA_DSP_CORE_MASK(0)); + if (ret < 0) { + dev_err(sdev->dev, "error: could not power-up DSP subsystem\n"); + goto free_ipc_irq; + } + + /* initialize SoundWire capabilities */ + ret = hda_sdw_init(sdev); + if (ret < 0) { + dev_err(sdev->dev, "error: SoundWire get caps error\n"); + hda_dsp_core_power_down(sdev, HDA_DSP_CORE_MASK(0)); + goto free_ipc_irq; + } + return 0; free_ipc_irq: @@ -744,6 +770,8 @@ int hda_dsp_remove(struct snd_sof_dev *sdev) snd_hdac_ext_bus_device_remove(bus); #endif + hda_sdw_exit(sdev); + if (!IS_ERR_OR_NULL(hda->dmic_dev)) platform_device_unregister(hda->dmic_dev); diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h index c8f93317aeb4..48e09b7daf0a 100644 --- a/sound/soc/sof/intel/hda.h +++ b/sound/soc/sof/intel/hda.h @@ -399,6 +399,11 @@ struct sof_intel_hda_dev { /* DMIC device */ struct platform_device *dmic_dev; + +#if IS_ENABLED(CONFIG_SOUNDWIRE_INTEL) + /* sdw context */ + void *sdw; +#endif }; static inline struct hdac_bus *sof_to_bus(struct snd_sof_dev *s) -- 2.20.1