From patchwork Thu Dec 6 04:05:40 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: 10715237 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 CF80913AF for ; Thu, 6 Dec 2018 04:06:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BA6DB2CE99 for ; Thu, 6 Dec 2018 04:06:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AED1B2D033; Thu, 6 Dec 2018 04:06:02 +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 9CAAD2CE99 for ; Thu, 6 Dec 2018 04:05:57 +0000 (UTC) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id EEC10267C40; Thu, 6 Dec 2018 05:05:55 +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 BD746267C44; Thu, 6 Dec 2018 05:05:53 +0100 (CET) Received: from mail-pf1-f196.google.com (mail-pf1-f196.google.com [209.85.210.196]) by alsa0.perex.cz (Postfix) with ESMTP id 48533267BA7 for ; Thu, 6 Dec 2018 05:05:47 +0100 (CET) Received: by mail-pf1-f196.google.com with SMTP id c72so11100367pfc.6 for ; Wed, 05 Dec 2018 20:05:47 -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=/3GLH5cRUIzvQJsMHdOA7EGzkO1h7tTXaTf44gFcUy8=; b=Z+BCezBRlFDr9K4ZzgDYbM1CpxiNf4JuYrYryLhChB4eWAxthfI34YFGIw9IzeLXQD hVljXhCEKHoyh+4YVCokn8YwSv1nPyCNYqqeeSbTD7XSe4+lTe4NFgJjFUY9DPoD7kT8 szDmSeYMLgmFKSkv3hv9uBA3aV/mrOoIGsYic= 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=/3GLH5cRUIzvQJsMHdOA7EGzkO1h7tTXaTf44gFcUy8=; b=rH24LF1AdBdYL4HqrOUmFhIbh4I+ebTzeA+HsfFiT3NtzoDz6ztU8u0ErYUDTwFPAd LLOqHFjMFl9Vr+iVQk3bynC0zFYNFeHhhfTRxATryqZ4UyrsvWtaax57uLw+Y+LYneKf pmovjEkntsx2obxLEfyySmGFItGTkZGU/3CuEfKoW6hUDdDCchPvxF1q24HHyViKNjw5 OZRzP05g/BUB+iZ4h0MpmZMKjyVHUbE8PxdjGRWDUYAsPBGQx9N7oK8cqmc0psZQWfPV 4R+SpLhGCjH2VDRuYA5pO7i8np4EXZub1hULu01gg8L+fs//ZF2ta202xheA++NyR3q4 MMPw== X-Gm-Message-State: AA+aEWYslEHCOOrA5qFAHfXrYzgNVT8ctAMP/3XUjXLq+Pvl28ryM9u9 m0Y60T3nIu0r78eGoGfJzSmeHw== X-Google-Smtp-Source: AFSGD/WIOEGfBMetXzKlHl9y2W/30Jarc8AAn/K6xPXwUZuYHF3Gy+ohYLFVrLw5rMQYRtJAzVkDpA== X-Received: by 2002:a63:20e:: with SMTP id 14mr22726368pgc.161.1544069146607; Wed, 05 Dec 2018 20:05:46 -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 u29sm31332217pgn.23.2018.12.05.20.05.43 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 05 Dec 2018 20:05:45 -0800 (PST) From: Cheng-Yi Chiang To: linux-kernel@vger.kernel.org Date: Thu, 6 Dec 2018 12:05:40 +0800 Message-Id: <20181206040540.84632-1-cychiang@chromium.org> X-Mailer: git-send-email 2.20.0.rc1.387.gf8505762e3-goog MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, tzungbi@chromium.org, Mark Brown , Rohit kumar , dgreid@chromium.org, Lee Jones , Cheng-Yi Chiang Subject: [alsa-devel] [PATCH v2] 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 --- V2 fixed the wrong ancestor issue so the patch can be applied cleanly on mfd tree. Codec driver that uses these commands will be sent separately. Thanks! 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 9a9631f0559e2..fc91082d4c357 100644 --- a/include/linux/mfd/cros_ec_commands.h +++ b/include/linux/mfd/cros_ec_commands.h @@ -2790,6 +2790,100 @@ struct ec_response_battery_vendor_param { uint32_t value; } __packed; +/*****************************************************************************/ +/* 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 */