From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1922291-1517314918-2-15458223314764932582 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.001, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES unknown, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='com', MailFrom='org' X-Spam-charsets: plain='us-ascii' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: linux-usb-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1517314917; b=Rxc/jI9Zu4N5UhVHRVXuXzS8y1UKyjW2qhfr23iQHD0h1Kd Fx/3iKVh8NZv0eIeGInbhDvvCmb6vDJ9MmGuiYXmRmvWnSABcsIJFROjeQB+Hh01 hYXc3TPxAFUFVtaIcA0nCyQij5itgeudunQ8T1a9ds8gQJQcVLwb/g1rxgnori9d WsgCQIELKGswFFRNsr/QL4P7DPTs/MWK7VtvXoG5VzFDyFs9Snz6CVTxorHOBfYL HHPyKllT8NLN2I5wIQXaeuikWY1mR1WKxZkHp8KWvDas+pdKz1oJYI3riZyIxsgn 0LSVG5OZXCFmJ35TieJXrbyo9zlu2oJWJ9uppnA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to:sender :list-id; s=arctest; t=1517314917; bh=GWkSOPcWuDYGCiKanTx1auFSaa bfrOwKicTdKjQm4Jw=; b=g1zTB16boovnjZXVvdWa+tC/AsJ7R6XJ9zJEt6zxBt ExTrZAqBSAcGQ8l9znL8aQEMmpNaAS3Ibla6LNOH8el+u+6yrJzbEIXVTHlhigO0 1CGCDJPutoTTbtvoP64lUfiq9TdWiPvlx8D3jA4gJM17oG8FYz3dywVrXswiJr7X VRIZ5R4EjRk92fUEjLkWvpvfnD8P/NBE0JaKLbQMQS4anSAsHpTfI0g2XC7enhIB +NRPbfgjfG6J3bvBxsg8+FmOirHYcDCn0Rf4JJN1lDXnNIio69y+vldMR8N9FoGh sXxz3BLplZYuJPnOkxgFRvIaFJto/Zan9zKz7mm0id8Q== ARC-Authentication-Results: i=1; mx1.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linux.intel.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-usb-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linux.intel.com header.result=pass header_org.domain=intel.com header_org.result=pass header_is_org_domain=no Authentication-Results: mx1.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linux.intel.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-usb-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linux.intel.com header.result=pass header_org.domain=intel.com header_org.result=pass header_is_org_domain=no Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751562AbeA3MVl (ORCPT ); Tue, 30 Jan 2018 07:21:41 -0500 Received: from mga17.intel.com ([192.55.52.151]:6218 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751452AbeA3MVj (ORCPT ); Tue, 30 Jan 2018 07:21:39 -0500 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,435,1511856000"; d="scan'208";a="26613434" Date: Tue, 30 Jan 2018 14:21:34 +0200 From: Heikki Krogerus To: Adam Thomson Cc: Guenter Roeck , Greg Kroah-Hartman , Sebastian Reichel , Hans de Goede , Yueyao Zhu , Rui Miguel Silva , linux-usb@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, support.opensource@diasemi.com Subject: Re: [PATCH v4 1/7] typec: tcpm: Add PD Rev 3.0 definitions to PD header Message-ID: <20180130122134.GA14922@kuha.fi.intel.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.1 (2017-09-22) Sender: linux-usb-owner@vger.kernel.org X-Mailing-List: linux-usb@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Tue, Jan 02, 2018 at 03:50:49PM +0000, Adam Thomson wrote: > This commit adds definitions for PD Rev 3.0 messages, including > APDO PPS and extended message support for TCPM. > > Signed-off-by: Adam Thomson Just one nitpick. I noticed that you are exceeding the 80 character limit per line in several places in this series, and I many cases it does not look like splitting the line would make the code any less readable. But I don't think that is critical, so if there are no other comments: Acked-by: Heikki Krogerus > --- > include/linux/usb/pd.h | 185 ++++++++++++++++++++++++++++++++++++++++++++++--- > 1 file changed, 174 insertions(+), 11 deletions(-) > > diff --git a/include/linux/usb/pd.h b/include/linux/usb/pd.h > index b3d41d7..ff359bdf 100644 > --- a/include/linux/usb/pd.h > +++ b/include/linux/usb/pd.h > @@ -35,6 +35,13 @@ enum pd_ctrl_msg_type { > PD_CTRL_WAIT = 12, > PD_CTRL_SOFT_RESET = 13, > /* 14-15 Reserved */ > + PD_CTRL_NOT_SUPP = 16, > + PD_CTRL_GET_SOURCE_CAP_EXT = 17, > + PD_CTRL_GET_STATUS = 18, > + PD_CTRL_FR_SWAP = 19, > + PD_CTRL_GET_PPS_STATUS = 20, > + PD_CTRL_GET_COUNTRY_CODES = 21, > + /* 22-31 Reserved */ > }; > > enum pd_data_msg_type { > @@ -43,13 +50,39 @@ enum pd_data_msg_type { > PD_DATA_REQUEST = 2, > PD_DATA_BIST = 3, > PD_DATA_SINK_CAP = 4, > - /* 5-14 Reserved */ > + PD_DATA_BATT_STATUS = 5, > + PD_DATA_ALERT = 6, > + PD_DATA_GET_COUNTRY_INFO = 7, > + /* 8-14 Reserved */ > PD_DATA_VENDOR_DEF = 15, > + /* 16-31 Reserved */ > +}; > + > +enum pd_ext_msg_type { > + /* 0 Reserved */ > + PD_EXT_SOURCE_CAP_EXT = 1, > + PD_EXT_STATUS = 2, > + PD_EXT_GET_BATT_CAP = 3, > + PD_EXT_GET_BATT_STATUS = 4, > + PD_EXT_BATT_CAP = 5, > + PD_EXT_GET_MANUFACTURER_INFO = 6, > + PD_EXT_MANUFACTURER_INFO = 7, > + PD_EXT_SECURITY_REQUEST = 8, > + PD_EXT_SECURITY_RESPONSE = 9, > + PD_EXT_FW_UPDATE_REQUEST = 10, > + PD_EXT_FW_UPDATE_RESPONSE = 11, > + PD_EXT_PPS_STATUS = 12, > + PD_EXT_COUNTRY_INFO = 13, > + PD_EXT_COUNTRY_CODES = 14, > + /* 15-31 Reserved */ > }; > > #define PD_REV10 0x0 > #define PD_REV20 0x1 > +#define PD_REV30 0x2 > +#define PD_MAX_REV PD_REV30 > > +#define PD_HEADER_EXT_HDR BIT(15) > #define PD_HEADER_CNT_SHIFT 12 > #define PD_HEADER_CNT_MASK 0x7 > #define PD_HEADER_ID_SHIFT 9 > @@ -59,18 +92,19 @@ enum pd_data_msg_type { > #define PD_HEADER_REV_MASK 0x3 > #define PD_HEADER_DATA_ROLE BIT(5) > #define PD_HEADER_TYPE_SHIFT 0 > -#define PD_HEADER_TYPE_MASK 0xf > +#define PD_HEADER_TYPE_MASK 0x1f > > -#define PD_HEADER(type, pwr, data, id, cnt) \ > +#define PD_HEADER(type, pwr, data, rev, id, cnt, ext_hdr) \ > ((((type) & PD_HEADER_TYPE_MASK) << PD_HEADER_TYPE_SHIFT) | \ > ((pwr) == TYPEC_SOURCE ? PD_HEADER_PWR_ROLE : 0) | \ > ((data) == TYPEC_HOST ? PD_HEADER_DATA_ROLE : 0) | \ > - (PD_REV20 << PD_HEADER_REV_SHIFT) | \ > + (rev << PD_HEADER_REV_SHIFT) | \ > (((id) & PD_HEADER_ID_MASK) << PD_HEADER_ID_SHIFT) | \ > - (((cnt) & PD_HEADER_CNT_MASK) << PD_HEADER_CNT_SHIFT)) > + (((cnt) & PD_HEADER_CNT_MASK) << PD_HEADER_CNT_SHIFT) | \ > + ((ext_hdr) ? PD_HEADER_EXT_HDR : 0)) > > #define PD_HEADER_LE(type, pwr, data, id, cnt) \ > - cpu_to_le16(PD_HEADER((type), (pwr), (data), (id), (cnt))) > + cpu_to_le16(PD_HEADER((type), (pwr), (data), PD_REV20, (id), (cnt), (0))) > > static inline unsigned int pd_header_cnt(u16 header) > { > @@ -102,16 +136,75 @@ static inline unsigned int pd_header_msgid_le(__le16 header) > return pd_header_msgid(le16_to_cpu(header)); > } > > +static inline unsigned int pd_header_rev(u16 header) > +{ > + return (header >> PD_HEADER_REV_SHIFT) & PD_HEADER_REV_MASK; > +} > + > +static inline unsigned int pd_header_rev_le(__le16 header) > +{ > + return pd_header_rev(le16_to_cpu(header)); > +} > + > +#define PD_EXT_HDR_CHUNKED BIT(15) > +#define PD_EXT_HDR_CHUNK_NUM_SHIFT 11 > +#define PD_EXT_HDR_CHUNK_NUM_MASK 0xf > +#define PD_EXT_HDR_REQ_CHUNK BIT(10) > +#define PD_EXT_HDR_DATA_SIZE_SHIFT 0 > +#define PD_EXT_HDR_DATA_SIZE_MASK 0x1ff > + > +#define PD_EXT_HDR(data_size, req_chunk, chunk_num, chunked) \ > + ((((data_size) & PD_EXT_HDR_DATA_SIZE_MASK) << PD_EXT_HDR_DATA_SIZE_SHIFT) | \ > + ((req_chunk) ? PD_EXT_HDR_REQ_CHUNK : 0) | \ > + (((chunk_num) & PD_EXT_HDR_CHUNK_NUM_MASK) << PD_EXT_HDR_CHUNK_NUM_SHIFT) | \ > + ((chunked) ? PD_EXT_HDR_CHUNKED : 0)) > + > +#define PD_EXT_HDR_LE(data_size, req_chunk, chunk_num, chunked) \ > + cpu_to_le16(PD_EXT_HDR((data_size), (req_chunk), (chunk_num), (chunked))) > + > +static inline unsigned int pd_ext_header_chunk_num(u16 ext_header) > +{ > + return (ext_header >> PD_EXT_HDR_CHUNK_NUM_SHIFT) & > + PD_EXT_HDR_CHUNK_NUM_MASK; > +} > + > +static inline unsigned int pd_ext_header_data_size(u16 ext_header) > +{ > + return (ext_header >> PD_EXT_HDR_DATA_SIZE_SHIFT) & > + PD_EXT_HDR_DATA_SIZE_MASK; > +} > + > +static inline unsigned int pd_ext_header_data_size_le(__le16 ext_header) > +{ > + return pd_ext_header_data_size(le16_to_cpu(ext_header)); > +} > + > #define PD_MAX_PAYLOAD 7 > +#define PD_EXT_MAX_CHUNK_DATA 26 > > /** > - * struct pd_message - PD message as seen on wire > - * @header: PD message header > - * @payload: PD message payload > - */ > + * struct pd_chunked_ext_message_data - PD chunked extended message data as > + * seen on wire > + * @header: PD extended message header > + * @data: PD extended message data > + */ > +struct pd_chunked_ext_message_data { > + __le16 header; > + u8 data[PD_EXT_MAX_CHUNK_DATA]; > +} __packed; > + > +/** > + * struct pd_message - PD message as seen on wire > + * @header: PD message header > + * @payload: PD message payload > + * @ext_msg: PD message chunked extended message data > + */ > struct pd_message { > __le16 header; > - __le32 payload[PD_MAX_PAYLOAD]; > + union { > + __le32 payload[PD_MAX_PAYLOAD]; > + struct pd_chunked_ext_message_data ext_msg; > + }; > } __packed; > > /* PDO: Power Data Object */ > @@ -121,6 +214,7 @@ enum pd_pdo_type { > PDO_TYPE_FIXED = 0, > PDO_TYPE_BATT = 1, > PDO_TYPE_VAR = 2, > + PDO_TYPE_APDO = 3, > }; > > #define PDO_TYPE_SHIFT 30 > @@ -174,6 +268,34 @@ enum pd_pdo_type { > (PDO_TYPE(PDO_TYPE_VAR) | PDO_VAR_MIN_VOLT(min_mv) | \ > PDO_VAR_MAX_VOLT(max_mv) | PDO_VAR_MAX_CURR(max_ma)) > > +enum pd_apdo_type { > + APDO_TYPE_PPS = 0, > +}; > + > +#define PDO_APDO_TYPE_SHIFT 28 /* Only valid value currently is 0x0 - PPS */ > +#define PDO_APDO_TYPE_MASK 0x3 > + > +#define PDO_APDO_TYPE(t) ((t) << PDO_APDO_TYPE_SHIFT) > + > +#define PDO_PPS_APDO_MAX_VOLT_SHIFT 17 /* 100mV units */ > +#define PDO_PPS_APDO_MIN_VOLT_SHIFT 8 /* 100mV units */ > +#define PDO_PPS_APDO_MAX_CURR_SHIFT 0 /* 50mA units */ > + > +#define PDO_PPS_APDO_VOLT_MASK 0xff > +#define PDO_PPS_APDO_CURR_MASK 0x7f > + > +#define PDO_PPS_APDO_MIN_VOLT(mv) \ > + ((((mv) / 100) & PDO_PPS_APDO_VOLT_MASK) << PDO_PPS_APDO_MIN_VOLT_SHIFT) > +#define PDO_PPS_APDO_MAX_VOLT(mv) \ > + ((((mv) / 100) & PDO_PPS_APDO_VOLT_MASK) << PDO_PPS_APDO_MAX_VOLT_SHIFT) > +#define PDO_PPS_APDO_MAX_CURR(ma) \ > + ((((ma) / 50) & PDO_PPS_APDO_CURR_MASK) << PDO_PPS_APDO_MAX_CURR_SHIFT) > + > +#define PDO_PPS_APDO(min_mv, max_mv, max_ma) \ > + (PDO_TYPE(PDO_TYPE_APDO) | PDO_APDO_TYPE(APDO_TYPE_PPS) | \ > + PDO_PPS_APDO_MIN_VOLT(min_mv) | PDO_PPS_APDO_MAX_VOLT(max_mv) | \ > + PDO_PPS_APDO_MAX_CURR(max_ma)) > + > static inline enum pd_pdo_type pdo_type(u32 pdo) > { > return (pdo >> PDO_TYPE_SHIFT) & PDO_TYPE_MASK; > @@ -204,6 +326,29 @@ static inline unsigned int pdo_max_power(u32 pdo) > return ((pdo >> PDO_BATT_MAX_PWR_SHIFT) & PDO_PWR_MASK) * 250; > } > > +static inline enum pd_apdo_type pdo_apdo_type(u32 pdo) > +{ > + return (pdo >> PDO_APDO_TYPE_SHIFT) & PDO_APDO_TYPE_MASK; > +} > + > +static inline unsigned int pdo_pps_apdo_min_voltage(u32 pdo) > +{ > + return ((pdo >> PDO_PPS_APDO_MIN_VOLT_SHIFT) & > + PDO_PPS_APDO_VOLT_MASK) * 100; > +} > + > +static inline unsigned int pdo_pps_apdo_max_voltage(u32 pdo) > +{ > + return ((pdo >> PDO_PPS_APDO_MAX_VOLT_SHIFT) & > + PDO_PPS_APDO_VOLT_MASK) * 100; > +} > + > +static inline unsigned int pdo_pps_apdo_max_current(u32 pdo) > +{ > + return ((pdo >> PDO_PPS_APDO_MAX_CURR_SHIFT) & > + PDO_PPS_APDO_CURR_MASK) * 50; > +} > + > /* RDO: Request Data Object */ > #define RDO_OBJ_POS_SHIFT 28 > #define RDO_OBJ_POS_MASK 0x7 > @@ -237,6 +382,24 @@ static inline unsigned int pdo_max_power(u32 pdo) > (RDO_OBJ(idx) | (flags) | \ > RDO_BATT_OP_PWR(op_mw) | RDO_BATT_MAX_PWR(max_mw)) > > +#define RDO_PROG_VOLT_MASK 0x7ff > +#define RDO_PROG_CURR_MASK 0x7f > + > +#define RDO_PROG_VOLT_SHIFT 9 > +#define RDO_PROG_CURR_SHIFT 0 > + > +#define RDO_PROG_VOLT_MV_STEP 20 > +#define RDO_PROG_CURR_MA_STEP 50 > + > +#define PDO_PROG_OUT_VOLT(mv) \ > + ((((mv) / RDO_PROG_VOLT_MV_STEP) & RDO_PROG_VOLT_MASK) << RDO_PROG_VOLT_SHIFT) > +#define PDO_PROG_OP_CURR(ma) \ > + ((((ma) / RDO_PROG_CURR_MA_STEP) & RDO_PROG_CURR_MASK) << RDO_PROG_CURR_SHIFT) > + > +#define RDO_PROG(idx, out_mv, op_ma, flags) \ > + (RDO_OBJ(idx) | (flags) | \ > + PDO_PROG_OUT_VOLT(out_mv) | PDO_PROG_OP_CURR(op_ma)) > + > static inline unsigned int rdo_index(u32 rdo) > { > return (rdo >> RDO_OBJ_POS_SHIFT) & RDO_OBJ_POS_MASK; > -- > 1.9.1 -- heikki From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [v4,1/7] typec: tcpm: Add PD Rev 3.0 definitions to PD header From: Heikki Krogerus Message-Id: <20180130122134.GA14922@kuha.fi.intel.com> Date: Tue, 30 Jan 2018 14:21:34 +0200 To: Adam Thomson Cc: Guenter Roeck , Greg Kroah-Hartman , Sebastian Reichel , Hans de Goede , Yueyao Zhu , Rui Miguel Silva , linux-usb@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, support.opensource@diasemi.com List-ID: T24gVHVlLCBKYW4gMDIsIDIwMTggYXQgMDM6NTA6NDlQTSArMDAwMCwgQWRhbSBUaG9tc29uIHdy b3RlOgo+IFRoaXMgY29tbWl0IGFkZHMgZGVmaW5pdGlvbnMgZm9yIFBEIFJldiAzLjAgbWVzc2Fn ZXMsIGluY2x1ZGluZwo+IEFQRE8gUFBTIGFuZCBleHRlbmRlZCBtZXNzYWdlIHN1cHBvcnQgZm9y IFRDUE0uCj4gCj4gU2lnbmVkLW9mZi1ieTogQWRhbSBUaG9tc29uIDxBZGFtLlRob21zb24uT3Bl bnNvdXJjZUBkaWFzZW1pLmNvbT4KCkp1c3Qgb25lIG5pdHBpY2suIEkgbm90aWNlZCB0aGF0IHlv dSBhcmUgZXhjZWVkaW5nIHRoZSA4MCBjaGFyYWN0ZXIKbGltaXQgcGVyIGxpbmUgaW4gc2V2ZXJh bCBwbGFjZXMgaW4gdGhpcyBzZXJpZXMsIGFuZCBJIG1hbnkgY2FzZXMgaXQKZG9lcyBub3QgbG9v 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