From patchwork Wed Apr 3 18:05:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavan Holla X-Patchwork-Id: 13616566 Received: from mail-pf1-f175.google.com (mail-pf1-f175.google.com [209.85.210.175]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B9546153572 for ; Wed, 3 Apr 2024 18:05:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.175 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712167527; cv=none; b=HFiemhwDRNhmX8Nz5pBW6Y8ht4xt5sbkEH5f0p8Hnf2TCIB2XTkb1veMg0cmS5uU6YFWG53EIYrmo6NCYecNz4oDp+5IHBre/bHyr5S1BnYmZ13c+qHEb1fCeeKIm5R4P6Dh5SgOa+E/Q2IfuNK5VmM9VcoWgBLWnwL9gp2Vu5s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712167527; c=relaxed/simple; bh=qqGF9xLxJC4LQcm92S4IX/hRHYqAmBrg8Pca6o1qles=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Ty5gak8hJb/N6s91Ht2h5ruvE3TO1VfyZb4bFzUt5up2litPIUmVK1jOgKZq6RyeHJgEX0MdyNy+0gSuTJiwNaB+DLSDmxfFpKV5wSlSmXhmNQrIk6uHvFbvC/OFWPOUXM5vZsgD94gwCZg092FSQhraObNccl0pH3oVP6VD8yA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org; spf=pass smtp.mailfrom=chromium.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b=J+Y7l8XR; arc=none smtp.client-ip=209.85.210.175 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=chromium.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="J+Y7l8XR" Received: by mail-pf1-f175.google.com with SMTP id d2e1a72fcca58-6ea80de0e97so47298b3a.2 for ; Wed, 03 Apr 2024 11:05:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1712167525; x=1712772325; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=FJlHPBrdTvEXRp/sm58R6lF6ryZ2TinFdRAYOgnph1w=; b=J+Y7l8XR01iEcTEgPlbV4DyD4bhKAEyvrEqV42SBrtzGl6AtuidQdxPr6vPw278ycb xMiUFnyeDWb7hBfhiEaZHKGBJsie3n3e7gtcV6F19LDl6FGxL2a3HMA7bfAbuA1Yzou+ AR/T1uOcMMdPPprYydhfC/Y0R7Lq0XtkRomYI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712167525; x=1712772325; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=FJlHPBrdTvEXRp/sm58R6lF6ryZ2TinFdRAYOgnph1w=; b=kcnglOCB6z6D6Sc4pvRzoiaolZ4Ks4V3i+GsTaUn+s5I0ADqvB/oJAO2LpeXOpMzPA Y4iTsOBMjX7wWtfMzux0pnK9FSdJuJV3nnwucysg33G0F82dYq5BMvnkDdNq4ZJsxqzS +rMdV/FkBvzbJP6xkW2g00gyc3NYYaMN3obUZARPcUw4OIGBjBG7LmPpodXfXOvA+X78 Keat0vC5WpObq0SCcPDnda0uUGeqwM4uRczoEn+/+WWs/W05MzZ/B6qrE4FQHzPBOAWk ZIrPPEU8byiOxRVTRJp9ZcLGGUxLnCYi/4ug35IsajpVHEv1k6/PyQiiL5HLYhP5pB6A taDg== X-Forwarded-Encrypted: i=1; AJvYcCUP517MJB16m7RPdM8qDcV9l4Zgz+I7NR38ruvLhW+cA+ZX9pIDJj3xZJ0PpJKvKGM3NlcLyu+xVY3Hz6jAEBGf5oVq6lgc9Qm8 X-Gm-Message-State: AOJu0YyE6cyjozZa44q4VtD+gGNAp0/DFuEKjS3oxsio1JRy/FmNeBO0 hdwXx65BwkWMNNlxZ5X5WnEoPG0krRfSewavcFnnSCa6sBiouAVaA7wwkIhCvA== X-Google-Smtp-Source: AGHT+IFofluak2TNyaj7l3kg/C527840RBEHus7enJda2FbDDZHU7/jIXCY5rcY2cES7AC48lbdI3A== X-Received: by 2002:a05:6a00:3912:b0:6ea:74d4:a01c with SMTP id fh18-20020a056a00391200b006ea74d4a01cmr310246pfb.14.1712167524934; Wed, 03 Apr 2024 11:05:24 -0700 (PDT) Received: from pholla1.c.googlers.com (210.73.125.34.bc.googleusercontent.com. [34.125.73.210]) by smtp.gmail.com with ESMTPSA id n16-20020aa79850000000b006e64ddfa71asm12359162pfq.170.2024.04.03.11.05.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Apr 2024 11:05:24 -0700 (PDT) From: Pavan Holla Date: Wed, 03 Apr 2024 18:05:21 +0000 Subject: [PATCH v3 1/2] platform/chrome: Update ChromeOS EC header for UCSI Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240403-public-ucsi-h-v3-1-f848e18c8ed2@chromium.org> References: <20240403-public-ucsi-h-v3-0-f848e18c8ed2@chromium.org> In-Reply-To: <20240403-public-ucsi-h-v3-0-f848e18c8ed2@chromium.org> To: Greg Kroah-Hartman , Heikki Krogerus , Benson Leung , Tzung-Bi Shih , Guenter Roeck Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Abhishek Pandit-Subedi , chrome-platform@lists.linux.dev, Pavan Holla X-Mailer: b4 0.12.4 Add EC host commands for reading and writing UCSI structures in the EC. The corresponding kernel driver is cros-ec-ucsi. Also update PD events supported by the EC. Signed-off-by: Pavan Holla --- include/linux/platform_data/cros_ec_commands.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/include/linux/platform_data/cros_ec_commands.h b/include/linux/platform_data/cros_ec_commands.h index ecc47d5fe239..c0f6d054a566 100644 --- a/include/linux/platform_data/cros_ec_commands.h +++ b/include/linux/platform_data/cros_ec_commands.h @@ -4933,6 +4933,8 @@ struct ec_response_pd_status { #define PD_EVENT_POWER_CHANGE BIT(1) #define PD_EVENT_IDENTITY_RECEIVED BIT(2) #define PD_EVENT_DATA_SWAP BIT(3) +#define PD_EVENT_TYPEC BIT(4) +#define PD_EVENT_PPM BIT(5) struct ec_response_host_event_status { uint32_t status; /* PD MCU host event status */ } __ec_align4; @@ -5994,6 +5996,24 @@ struct ec_response_typec_vdm_response { #undef VDO_MAX_SIZE +/* + * Read/write interface for UCSI OPM <-> PPM communication. + */ +#define EC_CMD_UCSI_PPM_SET 0x0140 + +/* The data size is stored in the host command protocol header. */ +struct ec_params_ucsi_ppm_set { + uint16_t offset; + uint8_t data[]; +} __ec_align2; + +#define EC_CMD_UCSI_PPM_GET 0x0141 + +struct ec_params_ucsi_ppm_get { + uint16_t offset; + uint8_t size; +} __ec_align2; + /*****************************************************************************/ /* The command range 0x200-0x2FF is reserved for Rotor. */