From patchwork Wed Dec 8 11:12:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Cezary Rojewski X-Patchwork-Id: 522256 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 ABDF0C433EF for ; Wed, 8 Dec 2021 11:14:27 +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 E3DAE2100; Wed, 8 Dec 2021 12:13:35 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz E3DAE2100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1638962066; bh=4DmH5iX/a0CXWf4nOKFJU9XrvRAL8V/DRf244llffdo=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=qvA7txC2sUT5ecz+GD2NmTwWCkkCPm2wHHoUC6Y4tGVbVgtHHp8chS0EOntzx/AKY rvf3ZPyMNrn7+LWf9GVMzWlgeaS79+4KFb/NDfLrteuwErNbqapsazGKWT3Jt1QRFJ gCBOuTMKNOznSnlDLbaO8bhZdqA9cFZx76Q0QsGo= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id D67AEF80527; Wed, 8 Dec 2021 12:11:24 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id C6ABCF80528; Wed, 8 Dec 2021 12:11:23 +0100 (CET) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) (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 DFA90F8051D for ; Wed, 8 Dec 2021 12:11:16 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz DFA90F8051D X-IronPort-AV: E=McAfee;i="6200,9189,10191"; a="301192835" X-IronPort-AV: E=Sophos;i="5.87,297,1631602800"; d="scan'208";a="301192835" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Dec 2021 03:11:16 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,297,1631602800"; d="scan'208";a="600600110" Received: from crojewsk-ctrl.igk.intel.com ([10.102.9.28]) by FMSMGA003.fm.intel.com with ESMTP; 08 Dec 2021 03:11:09 -0800 From: Cezary Rojewski To: alsa-devel@alsa-project.org Subject: [RFC 07/37] ASoC: Intel: Introduce AVS driver Date: Wed, 8 Dec 2021 12:12:31 +0100 Message-Id: <20211208111301.1817725-8-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" Declare base structures and core DSP operations for the avs solution. The base structures describe PCI HDAudio bus device and platform-type differentiations. First set of operations added controls the lifecycle of any Audio DSP core: (un)powering, (un)resetting and (un)stalling. Signed-off-by: Amadeusz Sławiński Signed-off-by: Cezary Rojewski --- sound/soc/intel/Kconfig | 14 +++++ sound/soc/intel/Makefile | 1 + sound/soc/intel/avs/Makefile | 5 ++ sound/soc/intel/avs/avs.h | 64 +++++++++++++++++++ sound/soc/intel/avs/dsp.c | 107 ++++++++++++++++++++++++++++++++ sound/soc/intel/avs/registers.h | 22 +++++++ 6 files changed, 213 insertions(+) create mode 100644 sound/soc/intel/avs/Makefile create mode 100644 sound/soc/intel/avs/avs.h create mode 100644 sound/soc/intel/avs/dsp.c create mode 100644 sound/soc/intel/avs/registers.h diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig index f3a4a907b29d..5b4941d88101 100644 --- a/sound/soc/intel/Kconfig +++ b/sound/soc/intel/Kconfig @@ -209,5 +209,19 @@ config SND_SOC_INTEL_KEEMBAY If you have a Intel Keembay platform then enable this option by saying Y or m. +config SND_SOC_INTEL_AVS + tristate "Intel AVS driver" + depends on PCI && ACPI + depends on COMMON_CLK + depends on SND_SOC_INTEL_SKYLAKE_FAMILY=n + default n + select SND_SOC_ACPI + select SND_HDA_EXT_CORE + help + Enable support for Intel(R) cAVS 1.5 platforms with DSP + capabilities. This includes Skylake, Kabylake, Amberlake and + Apollolake. This option is mutually exclusive with SKYLAKE + driver. + # ASoC codec drivers source "sound/soc/intel/boards/Kconfig" diff --git a/sound/soc/intel/Makefile b/sound/soc/intel/Makefile index 7c5038803be7..d44b2652c707 100644 --- a/sound/soc/intel/Makefile +++ b/sound/soc/intel/Makefile @@ -7,6 +7,7 @@ obj-$(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM) += atom/ obj-$(CONFIG_SND_SOC_INTEL_CATPT) += catpt/ obj-$(CONFIG_SND_SOC_INTEL_SKYLAKE_COMMON) += skylake/ obj-$(CONFIG_SND_SOC_INTEL_KEEMBAY) += keembay/ +obj-$(CONFIG_SND_SOC_INTEL_AVS) += avs/ # Machine support obj-$(CONFIG_SND_SOC) += boards/ diff --git a/sound/soc/intel/avs/Makefile b/sound/soc/intel/avs/Makefile new file mode 100644 index 000000000000..5f7976a95fe2 --- /dev/null +++ b/sound/soc/intel/avs/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0-only + +snd-soc-avs-objs := dsp.o + +obj-$(CONFIG_SND_SOC_INTEL_AVS) += snd-soc-avs.o diff --git a/sound/soc/intel/avs/avs.h b/sound/soc/intel/avs/avs.h new file mode 100644 index 000000000000..7ece210b0777 --- /dev/null +++ b/sound/soc/intel/avs/avs.h @@ -0,0 +1,64 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright(c) 2021 Intel Corporation. All rights reserved. + * + * Authors: Cezary Rojewski + * Amadeusz Slawinski + */ + +#ifndef __SOUND_SOC_INTEL_AVS_H +#define __SOUND_SOC_INTEL_AVS_H + +#include +#include + +struct avs_dev; + +struct avs_dsp_ops { + int (* const power)(struct avs_dev *, u32, bool); + int (* const reset)(struct avs_dev *, u32, bool); + int (* const stall)(struct avs_dev *, u32, bool); +}; + +#define avs_dsp_op(adev, op, ...) \ + ((adev)->spec->dops->op(adev, ## __VA_ARGS__)) + +#define avs_platattr_test(adev, attr) \ + ((adev)->spec->attributes & AVS_PLATATTR_##attr) + +/* Platform specific descriptor */ +struct avs_spec { + const char *name; + + const struct avs_dsp_ops *const dops; + + const u32 core_init_mask; /* used during DSP boot */ + const u64 attributes; /* bitmask of AVS_PLATATTR_* */ +}; + +struct avs_dev { + struct hda_bus base; + struct device *dev; + + void __iomem *adsp_ba; + const struct avs_spec *spec; +}; + +/* from hda_bus to avs_dev */ +#define hda_to_avs(hda) container_of(hda, struct avs_dev, base) +/* from hdac_bus to avs_dev */ +#define hdac_to_avs(hdac) hda_to_avs(to_hda_bus(hdac)) +/* from device to avs_dev */ +#define to_avs_dev(dev) \ +({ \ + struct hdac_bus *__bus = dev_get_drvdata(dev); \ + hdac_to_avs(__bus); \ +}) + +int avs_dsp_core_power(struct avs_dev *adev, u32 core_mask, bool active); +int avs_dsp_core_reset(struct avs_dev *adev, u32 core_mask, bool reset); +int avs_dsp_core_stall(struct avs_dev *adev, u32 core_mask, bool stall); +int avs_dsp_core_enable(struct avs_dev *adev, u32 core_mask); +int avs_dsp_core_disable(struct avs_dev *adev, u32 core_mask); + +#endif /* __SOUND_SOC_INTEL_AVS_H */ diff --git a/sound/soc/intel/avs/dsp.c b/sound/soc/intel/avs/dsp.c new file mode 100644 index 000000000000..258544277bbb --- /dev/null +++ b/sound/soc/intel/avs/dsp.c @@ -0,0 +1,107 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright(c) 2021 Intel Corporation. All rights reserved. +// +// Authors: Cezary Rojewski +// Amadeusz Slawinski +// + +#include +#include +#include "avs.h" +#include "registers.h" + +#define AVS_ADSPCS_INTERVAL_US 500 +#define AVS_ADSPCS_TIMEOUT_US 10000 + +int avs_dsp_core_power(struct avs_dev *adev, u32 core_mask, bool active) +{ + u32 value, mask, reg; + int ret; + + mask = AVS_ADSPCS_SPA_MASK(core_mask); + value = active ? mask : 0; + + snd_hdac_adsp_updatel(adev, AVS_ADSP_REG_ADSPCS, mask, value); + + mask = AVS_ADSPCS_CPA_MASK(core_mask); + value = active ? mask : 0; + + ret = snd_hdac_adsp_readl_poll(adev, AVS_ADSP_REG_ADSPCS, + reg, (reg & mask) == value, + AVS_ADSPCS_INTERVAL_US, + AVS_ADSPCS_TIMEOUT_US); + if (ret) + dev_err(adev->dev, "core_mask %d %spower failed: %d\n", + core_mask, active ? "" : "un", ret); + + return ret; +} + +int avs_dsp_core_reset(struct avs_dev *adev, u32 core_mask, bool reset) +{ + u32 value, mask, reg; + int ret; + + mask = AVS_ADSPCS_CRST_MASK(core_mask); + value = reset ? mask : 0; + + snd_hdac_adsp_updatel(adev, AVS_ADSP_REG_ADSPCS, mask, value); + + ret = snd_hdac_adsp_readl_poll(adev, AVS_ADSP_REG_ADSPCS, + reg, (reg & mask) == value, + AVS_ADSPCS_INTERVAL_US, + AVS_ADSPCS_TIMEOUT_US); + if (ret) + dev_err(adev->dev, "core_mask %d %sreset failed: %d\n", + core_mask, reset ? "" : "un", ret); + + return ret; +} + +int avs_dsp_core_stall(struct avs_dev *adev, u32 core_mask, bool stall) +{ + u32 value, mask, reg; + int ret; + + mask = AVS_ADSPCS_CSTALL_MASK(core_mask); + value = stall ? mask : 0; + + snd_hdac_adsp_updatel(adev, AVS_ADSP_REG_ADSPCS, mask, value); + + ret = snd_hdac_adsp_readl_poll(adev, AVS_ADSP_REG_ADSPCS, + reg, (reg & mask) == value, + AVS_ADSPCS_INTERVAL_US, + AVS_ADSPCS_TIMEOUT_US); + if (ret) + dev_err(adev->dev, "core_mask %d %sstall failed: %d\n", + core_mask, stall ? "" : "un", ret); + + return ret; +} + +int avs_dsp_core_enable(struct avs_dev *adev, u32 core_mask) +{ + int ret; + + ret = avs_dsp_op(adev, power, core_mask, true); + if (ret) + return ret; + + ret = avs_dsp_op(adev, reset, core_mask, false); + if (ret) + return ret; + + return avs_dsp_op(adev, stall, core_mask, false); +} + +int avs_dsp_core_disable(struct avs_dev *adev, u32 core_mask) +{ + /* Be permissive to allow for full DSP shutdown in disable path. */ + avs_dsp_op(adev, stall, core_mask, true); + avs_dsp_op(adev, reset, core_mask, true); + + return avs_dsp_op(adev, power, core_mask, false); +} + +MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/intel/avs/registers.h b/sound/soc/intel/avs/registers.h new file mode 100644 index 000000000000..e0b6c8ffe633 --- /dev/null +++ b/sound/soc/intel/avs/registers.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright(c) 2021 Intel Corporation. All rights reserved. + * + * Authors: Cezary Rojewski + * Amadeusz Slawinski + */ + +#ifndef __SOUND_SOC_INTEL_AVS_REGS_H +#define __SOUND_SOC_INTEL_AVS_REGS_H + +/* Intel HD Audio General DSP Registers */ +#define AVS_ADSP_GEN_BASE 0x0 +#define AVS_ADSP_REG_ADSPCS (AVS_ADSP_GEN_BASE + 0x04) + +#define AVS_ADSPCS_CRST_MASK(cm) (cm) +#define AVS_ADSPCS_CSTALL_MASK(cm) ((cm) << 8) +#define AVS_ADSPCS_SPA_MASK(cm) ((cm) << 16) +#define AVS_ADSPCS_CPA_MASK(cm) ((cm) << 24) +#define AVS_MAIN_CORE_MASK BIT(0) + +#endif /* __SOUND_SOC_INTEL_AVS_REGS_H */