From patchwork Tue Nov 27 12:00:39 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cheng-yi Chiang X-Patchwork-Id: 10700291 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2A16614BD for ; Tue, 27 Nov 2018 12:02:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 194702AFCF for ; Tue, 27 Nov 2018 12:02:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1602A2AFDD; Tue, 27 Nov 2018 12:02:32 +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=-2.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,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 655972AF85 for ; Tue, 27 Nov 2018 12:02:31 +0000 (UTC) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 179B4267A94; Tue, 27 Nov 2018 13:02:30 +0100 (CET) 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 6B4A8267AA1; Tue, 27 Nov 2018 13:02:27 +0100 (CET) Received: from mail-pf1-f195.google.com (mail-pf1-f195.google.com [209.85.210.195]) by alsa0.perex.cz (Postfix) with ESMTP id 35E9D2677E8 for ; Tue, 27 Nov 2018 13:02:24 +0100 (CET) Received: by mail-pf1-f195.google.com with SMTP id b85so8259141pfc.3 for ; Tue, 27 Nov 2018 04:02:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=tktT1SUa7RmLbPg6StnIGtD+g4ZsELo16pz2ELFtQF0=; b=I0rKrgcz5kwOgeB/yfikT0b/AFxAkfReZQRBE8Wp0ruHHc9O2eViWn6++ZTyLUjWT/ 9027ErJCrJY72Xm0T+6hyxbOm55ehAoe1rR3YfyPUk1PoovFXrS5ja49aO/RYShHT95i A9gi1CpYZvByn01UU0FCbiRi0gIsmNUNugqfQ= 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:mime-version :content-transfer-encoding; bh=tktT1SUa7RmLbPg6StnIGtD+g4ZsELo16pz2ELFtQF0=; b=rzSZzLtWTv4av83eJBAd3nWh1c8U76DdzNToseG3MctsJLekBZ3ygrKxIosAeAra9/ duObYwHtPfOPpJySy/16ryLW2c/75IWGyVx2zVeJKITr5uHRmwR1Jkpw5KEkwlwcfMWY NzfSzLmhn75FMEh4umkiJaSLGPpUftugansNzTCOlPTgFY2rehM4DCo3nK1ezjwMBO5O Q8LotYj3wXy2gXVV8Dt7/fiX6opKvQLdjpFmAjQluHomPOrHax/rHX47LqF5ESxF9Kbd bj5QKOeoD7mYs/LHJpY5cvwuS0cC6qVaFXFxWIxP7Kf/KGJY2dYa9pmNpvMRVD1UOLcZ RVfg== X-Gm-Message-State: AGRZ1gLy2mN+eNQ5/3XPOXD16J3/VBJrOxgROrIOQQuUeQL+JODfLKHl 4wdnLmVCwGofpRAPfWlp+eoh7Q== X-Google-Smtp-Source: AJdET5fpl4p0vuGCUfnQ28sB3TLMI0pjujMx58duyHw22SzSIjIwS5MyNnXA90BXjGxdhvPsTsz9Hw== X-Received: by 2002:a62:cd44:: with SMTP id o65mr32312341pfg.222.1543320143978; Tue, 27 Nov 2018 04:02:23 -0800 (PST) Received: from cychiang-z840.tpe.corp.google.com ([2401:fa00:1:b:e688:dfd2:a1a7:2956]) by smtp.gmail.com with ESMTPSA id m85sm8312778pfj.171.2018.11.27.04.02.21 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 27 Nov 2018 04:02:22 -0800 (PST) From: Cheng-Yi Chiang To: linux-kernel@vger.kernel.org Date: Tue, 27 Nov 2018 20:00:39 +0800 Message-Id: <20181127120041.90759-1-cychiang@chromium.org> X-Mailer: git-send-email 2.20.0.rc0.387.gc7a69e6b6c-goog MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, tzungbi@chromium.org, Mark Brown , Rohit kumar , dgreid@chromium.org, Cheng-Yi Chiang Subject: [alsa-devel] [PATCH 1/3] mfd: cros_ec: Add commands to control codec 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: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP Add EC host commands to control codec on EC. Signed-off-by: Cheng-Yi Chiang --- include/linux/mfd/cros_ec_commands.h | 94 ++++++++++++++++++++++++++++ 1 file changed, 94 insertions(+) diff --git a/include/linux/mfd/cros_ec_commands.h b/include/linux/mfd/cros_ec_commands.h index 07fe4ea0361d3..a3ac792f4915b 100644 --- a/include/linux/mfd/cros_ec_commands.h +++ b/include/linux/mfd/cros_ec_commands.h @@ -4077,6 +4077,100 @@ struct __ec_align1 ec_response_i2c_passthru_protect { uint8_t status; /* Status flags (0: unlocked, 1: locked) */ }; +/*****************************************************************************/ +/* Commands for I2S recording on audio codec. */ + +#define EC_CMD_CODEC_I2S 0x00BC + +enum ec_codec_i2s_subcmd { + EC_CODEC_SET_SAMPLE_DEPTH = 0x0, + EC_CODEC_SET_GAIN = 0x1, + EC_CODEC_GET_GAIN = 0x2, + EC_CODEC_I2S_ENABLE = 0x3, + EC_CODEC_I2S_SET_CONFIG = 0x4, + EC_CODEC_I2S_SET_TDM_CONFIG = 0x5, + EC_CODEC_I2S_SET_BCLK = 0x6, +}; + +enum ec_sample_depth_value { + EC_CODEC_SAMPLE_DEPTH_16 = 0, + EC_CODEC_SAMPLE_DEPTH_24 = 1, +}; + +enum ec_i2s_config { + EC_DAI_FMT_I2S = 0, + EC_DAI_FMT_RIGHT_J = 1, + EC_DAI_FMT_LEFT_J = 2, + EC_DAI_FMT_PCM_A = 3, + EC_DAI_FMT_PCM_B = 4, + EC_DAI_FMT_PCM_TDM = 5, +}; + +struct ec_param_codec_i2s { + /* + * enum ec_codec_i2s_subcmd + */ + uint8_t cmd; + union { + /* + * EC_CODEC_SET_SAMPLE_DEPTH + * Value should be one of ec_sample_depth_value. + */ + uint8_t depth; + + /* + * EC_CODEC_SET_GAIN + * Value should be 0~43 for both channels. + */ + struct ec_param_codec_i2s_set_gain { + uint8_t left; + uint8_t right; + } __packed gain; + + /* + * EC_CODEC_I2S_ENABLE + * 1 to enable, 0 to disable. + */ + uint8_t i2s_enable; + + /* + * EC_CODEC_I2S_SET_COFNIG + * Value should be one of ec_i2s_config. + */ + uint8_t i2s_config; + + /* + * EC_CODEC_I2S_SET_TDM_CONFIG + * Value should be one of ec_i2s_config. + */ + struct ec_param_codec_i2s_tdm { + /* + * 0 to 496 + */ + int16_t ch0_delay; + /* + * -1 to 496 + */ + int16_t ch1_delay; + uint8_t adjacent_to_ch0; + uint8_t adjacent_to_ch1; + } __packed tdm_param; + + /* + * EC_CODEC_I2S_SET_BCLK + */ + uint32_t bclk; + }; +} __packed; + +/* + * For subcommand EC_CODEC_GET_GAIN. + */ +struct ec_response_codec_gain { + uint8_t left; + uint8_t right; +} __packed; + /*****************************************************************************/ /* System commands */