From patchwork Tue May 1 12:08:04 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivas Kandagatla X-Patchwork-Id: 134768 Delivered-To: patch@linaro.org Received: by 10.46.151.6 with SMTP id r6csp4882260lji; Tue, 1 May 2018 05:11:49 -0700 (PDT) X-Google-Smtp-Source: AB8JxZr0m8m9IQ00SkKkead/AjIl03f56iQGO58zPCSvurFh4BxFFhU1/E4029DGHaQr+blU4Ahf X-Received: by 2002:adf:e1ce:: with SMTP id l14-v6mr11432432wri.148.1525176709529; Tue, 01 May 2018 05:11:49 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1525176709; cv=none; d=google.com; s=arc-20160816; b=VBK9SQkDI4ZZeydj487KqChDpLcvzkMPG1X6pb287/fPRlTZ+eYtH6WEFYmgBgZgLZ CMHuuI+tY0kS2zTiCRLc6VCrPwKUGNbDoJ3p+09W6WHDqX8+wIoOQ4iaqF2fWUzGT6po 3ktZvPf1npab+rK5bd5aar121KToc/8Jm/8LhjMK/aOEdHBG2rDM1YweRJ9npvKau5mn ABsh2T3a+PZ/wl6mzvaYCrsJXUHHhruZ/ne0PEDmb/EvU85bZSP2RQnrXDJJCkHmsqBv tLyPgj7jVBbZI8ZRVOR/cIQv4JJjxYHh6sObHAdbC+HWFZqvkJmmKFvBKMOW+N5p4Nap MB5w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:mime-version :list-subscribe:list-help:list-post:list-archive:list-unsubscribe :list-id:precedence:subject:cc:references:in-reply-to:message-id :date:to:from:dkim-signature:delivered-to:arc-authentication-results; bh=HM3eCmTeF5Ohizn8ifM0iUfnpy4vz7BZ79S6Nh1v4r0=; b=R6F9OrEECAmAmuIY1eFZLvD5U36I7nWhUCRirNgQbFdCDivyFtDYSX527FcNZkt0Ig omiri952CytnI7fROdHskJfo9/PkzV0yy62aefm12wiahoQpXgKtgJbQGZfGynoKx7aV QsNMZtPkzzgKXPer2ZjHtKcMKYE4ovsJYwX12t4PnQLCzKE2nSSZ4E8CBprpkqZbZQ/B RIemNNmeAEgPsLo7nespGp3GLj1nW2mCqwe3Dljl9LRL/gPm1FyluhLpoSSuCaYXxsO4 lSmo2KTIfViMAKDBXwIDjEt69ByFT5ddKdENZq5RTeQef7fx/dVw+VzI0Y0TQx+7tLLk MO/g== ARC-Authentication-Results: i=1; mx.google.com; dkim=neutral (body hash did not verify) header.i=@linaro.org header.s=google header.b=TYQ60d3l; spf=pass (google.com: domain of alsa-devel-bounces@alsa-project.org designates 77.48.224.243 as permitted sender) smtp.mailfrom=alsa-devel-bounces@alsa-project.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from alsa0.perex.cz (alsa0.perex.cz. [77.48.224.243]) by mx.google.com with ESMTP id l25-v6si7793815wra.240.2018.05.01.05.11.49; Tue, 01 May 2018 05:11:49 -0700 (PDT) Received-SPF: pass (google.com: domain of alsa-devel-bounces@alsa-project.org designates 77.48.224.243 as permitted sender) client-ip=77.48.224.243; Authentication-Results: mx.google.com; dkim=neutral (body hash did not verify) header.i=@linaro.org header.s=google header.b=TYQ60d3l; spf=pass (google.com: domain of alsa-devel-bounces@alsa-project.org designates 77.48.224.243 as permitted sender) smtp.mailfrom=alsa-devel-bounces@alsa-project.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id BFFF52676BE; Tue, 1 May 2018 14:10:51 +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 970A92676C6; Tue, 1 May 2018 14:10:39 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on mail1.perex.cz X-Spam-Level: X-Spam-Status: No, score=-0.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, RCVD_IN_DNSWL_NONE, SPF_PASS autolearn=disabled version=3.4.0 Received: from mail-wr0-f196.google.com (mail-wr0-f196.google.com [209.85.128.196]) by alsa0.perex.cz (Postfix) with ESMTP id 4756526769C for ; Tue, 1 May 2018 14:10:36 +0200 (CEST) Received: by mail-wr0-f196.google.com with SMTP id o4-v6so10649302wrm.0 for ; Tue, 01 May 2018 05:10:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=lbg/I20hQxHlLxz3sQxdQT0qGLpHKCKR7guX7m7riPw=; b=TYQ60d3lEFHO8GC3eMoyDXh1muTAp03s9rh+Fqado3tKCQGl8vPYqOJMBZJern0w8L bpwyn/dIPFSuSAQmszQRaj9yAsTNUZ8bCpFwZkjP8pkUBC2ksux3mIbVuMq5jMLzt44V nz+kwW2pAMESPsARelX0j7gy/Fw/qxhwAvEwI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=lbg/I20hQxHlLxz3sQxdQT0qGLpHKCKR7guX7m7riPw=; b=WMQz/AGJsPJukiXrEfNK7A9ylH7GycjlwQuzZELdUUQIrJE3Nhu46StX50HmZpaq22 VbkhM2FEUXsSbSu4SFrpI8z7ApwbglpuzmxoJuaBYruP88C+7IJs7vY6Kj2GHGHMP/bG /qbFuP9QhKoCX/LJEhLop0zdr4sEiOV+AkbX8H/721FdA+y4B1W6e/LpNMbQIfxpzwkP mE0BppQEsbkCD6XvZmG21ZD7RaTdQyilJbN01+nfboyFotiGhEst97ShaY/xkZKOy3Wo Qed3cT/KLv/vfZp89ciry5oVs+fwe14sV56dVv4VAxx43eUoBV6K56iKqs6Do14una9g KXRA== X-Gm-Message-State: ALQs6tBh2wUkz7p6GQjPLru1WrJr2P7dBCJLqXjRyAZdO/S19/qrr25+ fktyUKJT0+Ni+uOW9+/6BuDRaQ== X-Received: by 2002:adf:8f25:: with SMTP id p34-v6mr11147940wrb.193.1525176635624; Tue, 01 May 2018 05:10:35 -0700 (PDT) Received: from localhost.localdomain (cpc90716-aztw32-2-0-cust92.18-1.cable.virginm.net. [86.26.100.93]) by smtp.gmail.com with ESMTPSA id r200sm14565124wmb.39.2018.05.01.05.10.34 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 01 May 2018 05:10:35 -0700 (PDT) From: Srinivas Kandagatla To: andy.gross@linaro.org, broonie@kernel.org, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, robh+dt@kernel.org, bgoswami@codeaurora.org Date: Tue, 1 May 2018 13:08:04 +0100 Message-Id: <20180501120820.11016-9-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180501120820.11016-1-srinivas.kandagatla@linaro.org> References: <20180501120820.11016-1-srinivas.kandagatla@linaro.org> Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, rohkumar@qti.qualcomm.com, gregkh@linuxfoundation.org, plai@codeaurora.org, tiwai@suse.com, lgirdwood@gmail.com, david.brown@linaro.org, Srinivas Kandagatla , linux-arm-kernel@lists.infradead.org, spatakok@qti.qualcomm.com, linux-kernel@vger.kernel.org Subject: [alsa-devel] [PATCH v7 08/24] ASoC: qdsp6: q6core: Add q6core driver 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 This patch adds support to core apr service, which is used to query status of other static and dynamic services on the dsp. Signed-off-by: Srinivas Kandagatla Reviewed-and-tested-by: Rohit kumar --- sound/soc/qcom/Kconfig | 4 + sound/soc/qcom/qdsp6/Makefile | 1 + sound/soc/qcom/qdsp6/q6core.c | 380 ++++++++++++++++++++++++++++++++++++++++++ sound/soc/qcom/qdsp6/q6core.h | 15 ++ 4 files changed, 400 insertions(+) create mode 100644 sound/soc/qcom/qdsp6/q6core.c create mode 100644 sound/soc/qcom/qdsp6/q6core.h -- 2.16.2 _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org http://mailman.alsa-project.org/mailman/listinfo/alsa-devel diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig index b44a9fcd7ed3..37ee0d958145 100644 --- a/sound/soc/qcom/Kconfig +++ b/sound/soc/qcom/Kconfig @@ -44,10 +44,14 @@ config SND_SOC_APQ8016_SBC config SND_SOC_QDSP6_COMMON tristate +config SND_SOC_QDSP6_CORE + tristate + config SND_SOC_QDSP6 tristate "SoC ALSA audio driver for QDSP6" depends on QCOM_APR && HAS_DMA select SND_SOC_QDSP6_COMMON + select SND_SOC_QDSP6_CORE help To add support for MSM QDSP6 Soc Audio. This will enable sound soc platform specific diff --git a/sound/soc/qcom/qdsp6/Makefile b/sound/soc/qcom/qdsp6/Makefile index accebdb49306..03b8e89c9731 100644 --- a/sound/soc/qcom/qdsp6/Makefile +++ b/sound/soc/qcom/qdsp6/Makefile @@ -1 +1,2 @@ obj-$(CONFIG_SND_SOC_QDSP6_COMMON) += q6dsp-common.o +obj-$(CONFIG_SND_SOC_QDSP6_CORE) += q6core.o diff --git a/sound/soc/qcom/qdsp6/q6core.c b/sound/soc/qcom/qdsp6/q6core.c new file mode 100644 index 000000000000..701aa3f50a6a --- /dev/null +++ b/sound/soc/qcom/qdsp6/q6core.c @@ -0,0 +1,380 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2011-2017, The Linux Foundation. All rights reserved. +// Copyright (c) 2018, Linaro Limited + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "q6core.h" +#include "q6dsp-errno.h" + +#define ADSP_STATE_READY_TIMEOUT_MS 3000 +#define Q6_READY_TIMEOUT_MS 100 +#define AVCS_CMD_ADSP_EVENT_GET_STATE 0x0001290C +#define AVCS_CMDRSP_ADSP_EVENT_GET_STATE 0x0001290D +#define AVCS_GET_VERSIONS 0x00012905 +#define AVCS_GET_VERSIONS_RSP 0x00012906 +#define AVCS_CMD_GET_FWK_VERSION 0x001292c +#define AVCS_CMDRSP_GET_FWK_VERSION 0x001292d + +struct avcs_svc_info { + uint32_t service_id; + uint32_t version; +} __packed; + +struct avcs_cmdrsp_get_version { + uint32_t build_id; + uint32_t num_services; + struct avcs_svc_info svc_api_info[]; +} __packed; + +/* for ADSP2.8 and above */ +struct avcs_svc_api_info { + uint32_t service_id; + uint32_t api_version; + uint32_t api_branch_version; +} __packed; + +struct avcs_cmdrsp_get_fwk_version { + uint32_t build_major_version; + uint32_t build_minor_version; + uint32_t build_branch_version; + uint32_t build_subbranch_version; + uint32_t num_services; + struct avcs_svc_api_info svc_api_info[]; +} __packed; + +struct q6core { + struct apr_device *adev; + wait_queue_head_t wait; + uint32_t avcs_state; + struct mutex lock; + bool resp_received; + uint32_t num_services; + struct avcs_cmdrsp_get_fwk_version *fwk_version; + struct avcs_cmdrsp_get_version *svc_version; + bool fwk_version_supported; + bool get_state_supported; + bool get_version_supported; + bool is_version_requested; +}; + +static struct q6core *g_core; + +static int q6core_callback(struct apr_device *adev, struct apr_resp_pkt *data) +{ + struct q6core *core = dev_get_drvdata(&adev->dev); + struct aprv2_ibasic_rsp_result_t *result; + struct apr_hdr *hdr = &data->hdr; + + result = data->payload; + switch (hdr->opcode) { + case APR_BASIC_RSP_RESULT:{ + result = data->payload; + switch (result->opcode) { + case AVCS_GET_VERSIONS: + if (result->status == ADSP_EUNSUPPORTED) + core->get_version_supported = false; + core->resp_received = true; + break; + case AVCS_CMD_GET_FWK_VERSION: + if (result->status == ADSP_EUNSUPPORTED) + core->fwk_version_supported = false; + core->resp_received = true; + break; + case AVCS_CMD_ADSP_EVENT_GET_STATE: + if (result->status == ADSP_EUNSUPPORTED) + core->get_state_supported = false; + core->resp_received = true; + break; + } + break; + } + case AVCS_CMDRSP_GET_FWK_VERSION: { + struct avcs_cmdrsp_get_fwk_version *fwk; + int bytes; + + fwk = data->payload; + core->fwk_version_supported = true; + bytes = sizeof(*fwk) + fwk->num_services * + sizeof(fwk->svc_api_info[0]); + + core->fwk_version = kzalloc(bytes, GFP_ATOMIC); + if (!core->fwk_version) + return -ENOMEM; + + memcpy(core->fwk_version, data->payload, bytes); + + core->resp_received = true; + + break; + } + case AVCS_GET_VERSIONS_RSP: { + struct avcs_cmdrsp_get_version *v; + int len; + + v = data->payload; + core->get_version_supported = true; + + len = sizeof(*v) + v->num_services * sizeof(v->svc_api_info[0]); + + core->svc_version = kzalloc(len, GFP_ATOMIC); + if (!core->svc_version) + return -ENOMEM; + + memcpy(core->svc_version, data->payload, len); + + core->resp_received = true; + + break; + } + case AVCS_CMDRSP_ADSP_EVENT_GET_STATE: + core->get_state_supported = true; + core->avcs_state = result->opcode; + + core->resp_received = true; + break; + default: + dev_err(&adev->dev, "Message id from adsp core svc: 0x%x\n", + hdr->opcode); + break; + } + + if (core->resp_received) + wake_up(&core->wait); + + return 0; +} + +static int q6core_get_fwk_versions(struct q6core *core) +{ + struct apr_device *adev = core->adev; + struct apr_pkt pkt; + int rc; + + pkt.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD, + APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER); + pkt.hdr.pkt_size = APR_HDR_SIZE; + pkt.hdr.opcode = AVCS_CMD_GET_FWK_VERSION; + + rc = apr_send_pkt(adev, &pkt); + if (rc < 0) + return rc; + + rc = wait_event_timeout(core->wait, (core->resp_received), + msecs_to_jiffies(Q6_READY_TIMEOUT_MS)); + if (rc > 0 && core->resp_received) { + core->resp_received = false; + + if (!core->fwk_version_supported) + return -ENOTSUPP; + else + return 0; + } + + + return rc; +} + +static int q6core_get_svc_versions(struct q6core *core) +{ + struct apr_device *adev = core->adev; + struct apr_pkt pkt; + int rc; + + pkt.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD, + APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER); + pkt.hdr.pkt_size = APR_HDR_SIZE; + pkt.hdr.opcode = AVCS_GET_VERSIONS; + + rc = apr_send_pkt(adev, &pkt); + if (rc < 0) + return rc; + + rc = wait_event_timeout(core->wait, (core->resp_received), + msecs_to_jiffies(Q6_READY_TIMEOUT_MS)); + if (rc > 0 && core->resp_received) { + core->resp_received = false; + return 0; + } + + return rc; +} + +static bool __q6core_is_adsp_ready(struct q6core *core) +{ + struct apr_device *adev = core->adev; + struct apr_pkt pkt; + int rc; + + core->get_state_supported = false; + + pkt.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD, + APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER); + pkt.hdr.pkt_size = APR_HDR_SIZE; + pkt.hdr.opcode = AVCS_CMD_ADSP_EVENT_GET_STATE; + + rc = apr_send_pkt(adev, &pkt); + if (rc < 0) + return false; + + rc = wait_event_timeout(core->wait, (core->resp_received), + msecs_to_jiffies(Q6_READY_TIMEOUT_MS)); + if (rc > 0 && core->resp_received) { + core->resp_received = false; + + if (core->avcs_state == 0x1) + return true; + } + + /* assume that the adsp is up if we not support this command */ + if (!core->get_state_supported) + return true; + + return false; +} + +/** + * q6core_get_svc_api_info() - Get version number of a service. + * + * @svc_id: service id of the service. + * @info: Valid struct pointer to fill svc api information. + * + * Return: zero on success and error code on failure or unsupported + */ +int q6core_get_svc_api_info(int svc_id, struct q6core_svc_api_info *ainfo) +{ + int i; + int ret = -ENOTSUPP; + + if (!g_core || !ainfo) + return 0; + + mutex_lock(&g_core->lock); + if (!g_core->is_version_requested) { + if (q6core_get_fwk_versions(g_core) == -ENOTSUPP) + q6core_get_svc_versions(g_core); + g_core->is_version_requested = true; + } + + if (g_core->fwk_version_supported) { + for (i = 0; i < g_core->fwk_version->num_services; i++) { + struct avcs_svc_api_info *info; + + info = &g_core->fwk_version->svc_api_info[i]; + if (svc_id != info->service_id) + continue; + + ainfo->api_version = info->api_version; + ainfo->api_branch_version = info->api_branch_version; + ret = 0; + break; + } + } else if (g_core->get_version_supported) { + for (i = 0; i < g_core->svc_version->num_services; i++) { + struct avcs_svc_info *info; + + info = &g_core->svc_version->svc_api_info[i]; + if (svc_id != info->service_id) + continue; + + ainfo->api_version = info->version; + ainfo->api_branch_version = 0; + ret = 0; + break; + } + } + + mutex_unlock(&g_core->lock); + + return ret; +} +EXPORT_SYMBOL_GPL(q6core_get_svc_api_info); + +/** + * q6core_is_adsp_ready() - Get status of adsp + * + * Return: Will be an true if adsp is ready and false if not. + */ +bool q6core_is_adsp_ready(void) +{ + unsigned long timeout; + bool ret = false; + + if (!g_core) + return false; + + mutex_lock(&g_core->lock); + timeout = jiffies + msecs_to_jiffies(ADSP_STATE_READY_TIMEOUT_MS); + for (;;) { + if (__q6core_is_adsp_ready(g_core)) { + ret = true; + break; + } + + if (!time_after(timeout, jiffies)) { + ret = false; + break; + } + } + + mutex_unlock(&g_core->lock); + return ret; +} +EXPORT_SYMBOL_GPL(q6core_is_adsp_ready); + +static int q6core_probe(struct apr_device *adev) +{ + g_core = kzalloc(sizeof(*g_core), GFP_KERNEL); + if (!g_core) + return -ENOMEM; + + dev_set_drvdata(&adev->dev, g_core); + + mutex_init(&g_core->lock); + g_core->adev = adev; + init_waitqueue_head(&g_core->wait); + return 0; +} + +static int q6core_exit(struct apr_device *adev) +{ + struct q6core *core = dev_get_drvdata(&adev->dev); + + if (core->fwk_version_supported) + kfree(core->fwk_version); + if (core->get_version_supported) + kfree(core->svc_version); + + kfree(core); + g_core = NULL; + + return 0; +} + +static const struct of_device_id q6core_device_id[] = { + { .compatible = "qcom,q6core" }, + {}, +}; +MODULE_DEVICE_TABLE(of, q6core_device_id); + +static struct apr_driver qcom_q6core_driver = { + .probe = q6core_probe, + .remove = q6core_exit, + .callback = q6core_callback, + .driver = { + .name = "qcom-q6core", + .of_match_table = of_match_ptr(q6core_device_id), + }, +}; + +module_apr_driver(qcom_q6core_driver); +MODULE_DESCRIPTION("q6 core"); +MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/qcom/qdsp6/q6core.h b/sound/soc/qcom/qdsp6/q6core.h new file mode 100644 index 000000000000..4105b1d730be --- /dev/null +++ b/sound/soc/qcom/qdsp6/q6core.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef __Q6CORE_H__ +#define __Q6CORE_H__ + +struct q6core_svc_api_info { + uint32_t service_id; + uint32_t api_version; + uint32_t api_branch_version; +}; + +bool q6core_is_adsp_ready(void); +int q6core_get_svc_api_info(int svc_id, struct q6core_svc_api_info *ainfo); + +#endif /* __Q6CORE_H__ */