From patchwork Wed Dec 8 11:12:48 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Cezary Rojewski X-Patchwork-Id: 522771 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 261AFC433EF for ; Wed, 8 Dec 2021 11:20:30 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 5D571263B; Wed, 8 Dec 2021 12:19:38 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 5D571263B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1638962428; bh=D+XbbJiJOBwCqYuEG9Ce29Oq4xMoUinbsxOph99+cLs=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=QzVsiXvgfV8+tNW/U8p7nlwHYYwHnVNlyLJMpWKlTUr+nuJ6XjKlmKh9Rr647TbCO mmonXiDWoRjF2d0jjywC2sf6ZoNdH0royxGh71YWgmtKN1jyd/2t5IUTpIBM8q02Ey jEhryId0wZARJSb1TaNXyqRtKGQmZgFD382M/HPM= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 5F4CBF804CC; Wed, 8 Dec 2021 12:12:23 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 4EA8EF805EB; Wed, 8 Dec 2021 12:12:22 +0100 (CET) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 2D632F804CC for ; Wed, 8 Dec 2021 12:12:16 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 2D632F804CC X-IronPort-AV: E=McAfee;i="6200,9189,10191"; a="236548441" X-IronPort-AV: E=Sophos;i="5.87,297,1631602800"; d="scan'208";a="236548441" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Dec 2021 03:12:15 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,297,1631602800"; d="scan'208";a="600600396" Received: from crojewsk-ctrl.igk.intel.com ([10.102.9.28]) by FMSMGA003.fm.intel.com with ESMTP; 08 Dec 2021 03:12:12 -0800 From: Cezary Rojewski To: alsa-devel@alsa-project.org Subject: [RFC 24/37] ASoC: Intel: avs: Code loading over HDA Date: Wed, 8 Dec 2021 12:12:48 +0100 Message-Id: <20211208111301.1817725-25-cezary.rojewski@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211208111301.1817725-1-cezary.rojewski@intel.com> References: <20211208111301.1817725-1-cezary.rojewski@intel.com> MIME-Version: 1.0 Cc: Cezary Rojewski , upstream@semihalf.com, harshapriya.n@intel.com, yung-chuan.liao@linux.intel.com, rad@semihalf.com, pierre-louis.bossart@linux.intel.com, tiwai@suse.com, hdegoede@redhat.com, broonie@kernel.org, ranjani.sridharan@linux.intel.com, amadeuszx.slawinski@linux.intel.com, cujomalainey@chromium.org, peter.ujfalusi@linux.intel.com, lma@semihalf.com X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 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: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Compared to SKL and KBL, younger cAVS platforms are meant to re-use one of HDAudio streams during boot procedure causing CLDMA to become obsolete. Once transferred, given stream is returned to pool available for audio streaming. Module loading handler is dummy as library and module code became inseparable in later firmware generations. Signed-off-by: Amadeusz Sławiński Signed-off-by: Cezary Rojewski --- sound/soc/intel/Kconfig | 1 + sound/soc/intel/avs/avs.h | 5 + sound/soc/intel/avs/loader.c | 206 +++++++++++++++++++++++++++++++++++ 3 files changed, 212 insertions(+) diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig index d549ce83a9c4..b01c492d3514 100644 --- a/sound/soc/intel/Kconfig +++ b/sound/soc/intel/Kconfig @@ -218,6 +218,7 @@ config SND_SOC_INTEL_AVS select SND_SOC_ACPI select SND_SOC_TOPOLOGY select SND_HDA_EXT_CORE + select SND_HDA_DSP_LOADER select SND_INTEL_NHLT help Enable support for Intel(R) cAVS 1.5 platforms with DSP diff --git a/sound/soc/intel/avs/avs.h b/sound/soc/intel/avs/avs.h index 678c056f81b1..978d922c07be 100644 --- a/sound/soc/intel/avs/avs.h +++ b/sound/soc/intel/avs/avs.h @@ -39,6 +39,7 @@ struct avs_dsp_ops { ((adev)->spec->dops->op(adev, ## __VA_ARGS__)) #define AVS_PLATATTR_CLDMA BIT_ULL(0) +#define AVS_PLATATTR_IMR BIT_ULL(1) #define avs_platattr_test(adev, attr) \ ((adev)->spec->attributes & AVS_PLATATTR_##attr) @@ -234,6 +235,10 @@ int avs_cldma_load_basefw(struct avs_dev *adev, struct firmware *fw); int avs_cldma_load_library(struct avs_dev *adev, struct firmware *lib, u32 id); int avs_cldma_transfer_modules(struct avs_dev *adev, bool load, struct avs_module_entry *mods, u32 num_mods); +int avs_hda_load_basefw(struct avs_dev *adev, struct firmware *fw); +int avs_hda_load_library(struct avs_dev *adev, struct firmware *lib, u32 id); +int avs_hda_transfer_modules(struct avs_dev *adev, bool load, + struct avs_module_entry *mods, u32 num_mods); /* Soc component members */ diff --git a/sound/soc/intel/avs/loader.c b/sound/soc/intel/avs/loader.c index 57370d26b461..bc03dc766da1 100644 --- a/sound/soc/intel/avs/loader.c +++ b/sound/soc/intel/avs/loader.c @@ -9,6 +9,7 @@ #include #include #include +#include #include #include "avs.h" #include "cldma.h" @@ -19,8 +20,10 @@ #define AVS_ROM_STS_MASK 0xFF #define AVS_ROM_INIT_DONE 0x1 #define SKL_ROM_BASEFW_ENTERED 0xF +#define APL_ROM_FW_ENTERED 0x5 #define AVS_ROM_INIT_POLLING_US 5 #define AVS_ROM_INIT_TIMEOUT_US 300000 +#define AVS_ROM_INIT_RETRIES 3 #define AVS_FW_INIT_POLLING_US 500 #define AVS_FW_INIT_TIMEOUT_US 3000000 @@ -257,6 +260,200 @@ int avs_cldma_transfer_modules(struct avs_dev *adev, bool load, return 0; } +static int +avs_hda_init_rom(struct avs_dev *adev, unsigned int dma_id, bool purge) +{ + const struct avs_spec *const spec = adev->spec; + unsigned int corex_mask, reg; + int ret; + + corex_mask = spec->core_init_mask & ~AVS_MAIN_CORE_MASK; + + ret = avs_dsp_op(adev, power, spec->core_init_mask, true); + if (ret < 0) + goto err; + + ret = avs_dsp_op(adev, reset, AVS_MAIN_CORE_MASK, false); + if (ret < 0) + goto err; + + reinit_completion(&adev->fw_ready); + avs_dsp_op(adev, int_control, true); + + /* set boot config */ + ret = avs_ipc_set_boot_config(adev, dma_id, purge); + if (ret) { + ret = AVS_IPC_RET(ret); + goto err; + } + + /* await ROM init */ + ret = snd_hdac_adsp_readq_poll(adev, spec->rom_status, reg, + (reg & 0xF) == AVS_ROM_INIT_DONE || + (reg & 0xF) == APL_ROM_FW_ENTERED, + AVS_ROM_INIT_POLLING_US, AVS_ROM_INIT_TIMEOUT_US); + if (ret < 0) { + dev_err(adev->dev, "rom init timeout: %d\n", ret); + goto err; + } + + /* power down non-main cores */ + if (corex_mask) + avs_dsp_op(adev, power, corex_mask, false); + + return 0; + +err: + avs_dsp_core_disable(adev, spec->core_init_mask); + return ret; +} + +static int avs_imr_load_basefw(struct avs_dev *adev) +{ + int ret; + + /* DMA id ignored when flashing from IMR as no transfer occurs. */ + ret = avs_hda_init_rom(adev, 0, false); + if (ret < 0) { + dev_err(adev->dev, "rom init failed: %d\n", ret); + return ret; + } + + ret = wait_for_completion_timeout(&adev->fw_ready, + msecs_to_jiffies(AVS_FW_INIT_TIMEOUT_MS)); + if (!ret) { + dev_err(adev->dev, "firmware ready timeout\n"); + avs_dsp_core_disable(adev, AVS_MAIN_CORE_MASK); + return -ETIMEDOUT; + } + + return 0; +} + +int avs_hda_load_basefw(struct avs_dev *adev, struct firmware *fw) +{ + struct snd_pcm_substream substream = {0}; + struct snd_dma_buffer dmab; + struct hdac_ext_stream *estream; + struct hdac_stream *hstream; + struct hdac_bus *bus = &adev->base.core; + unsigned int sdfmt, reg; + int ret, i; + + /* configure hda dma */ + substream.stream = SNDRV_PCM_STREAM_PLAYBACK; + estream = snd_hdac_ext_stream_assign(bus, &substream, + HDAC_EXT_STREAM_TYPE_HOST); + if (!estream) + return -ENODEV; + hstream = hdac_stream(estream); + + /* code loading performed with default format */ + sdfmt = snd_hdac_calc_stream_format(48000, 1, SNDRV_PCM_FORMAT_S32_LE, 32, 0); + ret = snd_hdac_dsp_prepare(hstream, sdfmt, fw->size, &dmab); + if (ret < 0) + goto release_stream; + + /* enable SPIB for hda stream */ + snd_hdac_ext_stream_spbcap_enable(bus, true, hstream->index); + snd_hdac_ext_stream_set_spib(bus, estream, fw->size); + + memcpy(dmab.area, fw->data, fw->size); + + for (i = 0; i < AVS_ROM_INIT_RETRIES; i++) { + unsigned int dma_id = hstream->stream_tag - 1; + + ret = avs_hda_init_rom(adev, dma_id, true); + if (!ret) + break; + dev_info(adev->dev, "#%d rom init fail: %d\n", i + 1, ret); + } + if (ret < 0) + goto cleanup_resources; + + /* transfer firmware */ + snd_hdac_dsp_trigger(hstream, true); + ret = snd_hdac_adsp_readl_poll(adev, AVS_FW_REG_STATUS(adev), reg, + (reg & AVS_ROM_STS_MASK) == APL_ROM_FW_ENTERED, + AVS_FW_INIT_POLLING_US, AVS_FW_INIT_TIMEOUT_US); + snd_hdac_dsp_trigger(hstream, false); + if (ret < 0) { + dev_err(adev->dev, "transfer fw failed: %d\n", ret); + avs_dsp_core_disable(adev, AVS_MAIN_CORE_MASK); + } + +cleanup_resources: + /* disable SPIB for hda stream */ + snd_hdac_ext_stream_spbcap_enable(bus, false, hstream->index); + snd_hdac_ext_stream_set_spib(bus, estream, 0); + + snd_hdac_dsp_cleanup(hstream, &dmab); +release_stream: + snd_hdac_ext_stream_release(estream, HDAC_EXT_STREAM_TYPE_HOST); + + return ret; +} + +int avs_hda_load_library(struct avs_dev *adev, struct firmware *lib, u32 id) +{ + struct snd_pcm_substream substream = {0}; + struct snd_dma_buffer dmab; + struct hdac_ext_stream *estream; + struct hdac_stream *stream; + struct hdac_bus *bus = &adev->base.core; + unsigned int sdfmt; + int ret; + + /* configure hda dma */ + substream.stream = SNDRV_PCM_STREAM_PLAYBACK; + estream = snd_hdac_ext_stream_assign(bus, &substream, + HDAC_EXT_STREAM_TYPE_HOST); + if (!estream) + return -ENODEV; + stream = hdac_stream(estream); + + /* code loading performed with default format */ + sdfmt = snd_hdac_calc_stream_format(48000, 1, SNDRV_PCM_FORMAT_S32_LE, 32, 0); + ret = snd_hdac_dsp_prepare(stream, sdfmt, lib->size, &dmab); + if (ret < 0) + goto release_stream; + + /* enable SPIB for hda stream */ + snd_hdac_ext_stream_spbcap_enable(bus, true, stream->index); + snd_hdac_ext_stream_set_spib(bus, estream, lib->size); + + memcpy(dmab.area, lib->data, lib->size); + + /* transfer firmware */ + snd_hdac_dsp_trigger(stream, true); + ret = avs_ipc_load_library(adev, stream->stream_tag - 1, id); + snd_hdac_dsp_trigger(stream, false); + if (ret) { + dev_err(adev->dev, "transfer lib %d failed: %d\n", id, ret); + ret = AVS_IPC_RET(ret); + } + + /* disable SPIB for hda stream */ + snd_hdac_ext_stream_spbcap_enable(bus, false, stream->index); + snd_hdac_ext_stream_set_spib(bus, estream, 0); + + snd_hdac_dsp_cleanup(stream, &dmab); +release_stream: + snd_hdac_ext_stream_release(estream, HDAC_EXT_STREAM_TYPE_HOST); + + return ret; +} + +int avs_hda_transfer_modules(struct avs_dev *adev, bool load, + struct avs_module_entry *mods, u32 num_mods) +{ + /* + * All platforms without CLDMA are equipped with IMR, + * and thus the module transferring is offloaded to DSP. + */ + return 0; +} + int avs_dsp_load_libraries(struct avs_dev *adev, struct avs_tplg_library *libs, u32 num_libs) { @@ -370,6 +567,15 @@ int avs_dsp_boot_firmware(struct avs_dev *adev, bool purge) struct avs_soc_component *acomp; int ret, i; + /* Forgo full boot if flash from IMR succeeds. */ + if (!purge && avs_platattr_test(adev, IMR)) { + ret = avs_imr_load_basefw(adev); + if (!ret) + return 0; + + dev_dbg(adev->dev, "firmware flash from imr failed: %d\n", ret); + } + /* Full boot, clear cached data except for basefw (slot 0). */ for (i = 1; i < adev->fw_cfg.max_libs_count; i++) memset(adev->lib_names[i], 0, AVS_LIB_NAME_SIZE);