From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-eopbgr00046.outbound.protection.outlook.com ([40.107.0.46]:14834 "EHLO EUR02-AM5-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753137AbeE1DJk (ORCPT ); Sun, 27 May 2018 23:09:40 -0400 From: Li Jun Subject: [PATCH v6 05/15] usb: typec: add API to get typec basic port power and data config Date: Mon, 28 May 2018 10:52:37 +0800 Message-Id: <1527475967-15201-6-git-send-email-jun.li@nxp.com> In-Reply-To: <1527475967-15201-1-git-send-email-jun.li@nxp.com> References: <1527475967-15201-1-git-send-email-jun.li@nxp.com> MIME-Version: 1.0 Content-Type: text/plain Sender: devicetree-owner@vger.kernel.org To: robh+dt@kernel.org, gregkh@linuxfoundation.org, heikki.krogerus@linux.intel.com, linux@roeck-us.net Cc: cw00.choi@samsung.com, a.hajda@samsung.com, shufan_lee@richtek.com, peter.chen@nxp.com, garsilva@embeddedor.com, gsomlo@gmail.com, jun.li@nxp.com, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-imx@nxp.com List-ID: This patch adds 3 APIs to get the typec port power and data type, and preferred power role by its name string. Signed-off-by: Li Jun --- drivers/usb/typec/class.c | 50 +++++++++++++++++++++++++++++++++++++++++++++++ include/linux/usb/typec.h | 3 +++ 2 files changed, 53 insertions(+) diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index 53df10d..4c7d18c 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -802,6 +802,12 @@ static const char * const typec_port_types[] = { [TYPEC_PORT_DRP] = "dual", }; +static const char * const typec_data_caps[] = { + [TYPEC_PORT_DFP] = "host", + [TYPEC_PORT_UFP] = "device", + [TYPEC_PORT_DRD] = "dual", +}; + static const char * const typec_port_types_drp[] = { [TYPEC_PORT_SRC] = "dual [source] sink", [TYPEC_PORT_SNK] = "dual source [sink]", @@ -1252,6 +1258,50 @@ void typec_set_pwr_opmode(struct typec_port *port, } EXPORT_SYMBOL_GPL(typec_set_pwr_opmode); +/** + * typec_find_port_power_role - Get the typec port power capability + * @name: port power capability string + * + * This routine is used to find the typec_port_type by its string name. + * + * Returns typec_port_type if success, otherwise negative error code. + */ +int typec_find_port_power_role(const char *name) +{ + return match_string(typec_port_types, ARRAY_SIZE(typec_port_types), + name); +} +EXPORT_SYMBOL_GPL(typec_find_power_type); + +/** + * typec_find_power_role - Find the typec one specific power role + * @name: power role string + * + * This routine is used to find the typec_role by its string name. + * + * Returns typec_role if success, otherwise negative error code. + */ +int typec_find_power_role(const char *name) +{ + return match_string(typec_roles, ARRAY_SIZE(typec_roles), name); +} +EXPORT_SYMBOL_GPL(typec_find_preferred_role); + +/** + * typec_find_port_data_role - Get the typec port data capability + * @name: port data capability string + * + * This routine is used to find the typec_port_data by its string name. + * + * Returns typec_port_data if success, otherwise negative error code. + */ +int typec_find_port_data_role(const char *name) +{ + return match_string(typec_data_caps, ARRAY_SIZE(typec_data_caps), + name); +} +EXPORT_SYMBOL_GPL(typec_find_data_type); + /* ------------------------------------------ */ /* API for Multiplexer/DeMultiplexer Switches */ diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h index 672b39b..15f8d9a 100644 --- a/include/linux/usb/typec.h +++ b/include/linux/usb/typec.h @@ -267,4 +267,7 @@ int typec_set_orientation(struct typec_port *port, enum typec_orientation orientation); int typec_set_mode(struct typec_port *port, int mode); +int typec_find_port_power_role(const char *name); +int typec_find_power_role(const char *name); +int typec_find_port_data_role(const char *name); #endif /* __LINUX_USB_TYPEC_H */ -- 2.7.4