From patchwork Wed Mar 6 09:56:33 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Chen X-Patchwork-Id: 2224161 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id 66718DF23A for ; Wed, 6 Mar 2013 10:03:00 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UDB6n-0004zR-7M; Wed, 06 Mar 2013 09:58:01 +0000 Received: from ch1ehsobe002.messaging.microsoft.com ([216.32.181.182] helo=ch1outboundpool.messaging.microsoft.com) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UDB5x-0004lv-8A for linux-arm-kernel@lists.infradead.org; Wed, 06 Mar 2013 09:57:14 +0000 Received: from mail165-ch1-R.bigfish.com (10.43.68.229) by CH1EHSOBE017.bigfish.com (10.43.70.67) with Microsoft SMTP Server id 14.1.225.23; Wed, 6 Mar 2013 09:57:00 +0000 Received: from mail165-ch1 (localhost [127.0.0.1]) by mail165-ch1-R.bigfish.com (Postfix) with ESMTP id 3C7072A01A9; Wed, 6 Mar 2013 09:57:00 +0000 (UTC) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPV:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-SpamScore: 3 X-BigFish: VS3(zzc8kzz1f42h1ee6h1de0h1202h1e76h1d1ah1d2ahzz8275bhz2dh2a8h668h839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h1354h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1155h) Received: from mail165-ch1 (localhost.localdomain [127.0.0.1]) by mail165-ch1 (MessageSwitch) id 1362563818404140_1585; Wed, 6 Mar 2013 09:56:58 +0000 (UTC) Received: from CH1EHSMHS036.bigfish.com (snatpool1.int.messaging.microsoft.com [10.43.68.245]) by mail165-ch1.bigfish.com (Postfix) with ESMTP id 5E41734004D; Wed, 6 Mar 2013 09:56:58 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by CH1EHSMHS036.bigfish.com (10.43.69.245) with Microsoft SMTP Server (TLS) id 14.1.225.23; Wed, 6 Mar 2013 09:56:58 +0000 Received: from tx30smr01.am.freescale.net (10.81.153.31) by 039-SN1MMR1-001.039d.mgd.msft.net (10.84.1.13) with Microsoft SMTP Server (TLS) id 14.2.328.11; Wed, 6 Mar 2013 09:56:57 +0000 Received: from localhost.localdomain (nchen-desktop.ap.freescale.net [10.192.242.40]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id r269ufOB006808; Wed, 6 Mar 2013 02:56:53 -0700 From: Peter Chen To: Subject: [PATCH v11 2/9] usb: chipidea: add otg file Date: Wed, 6 Mar 2013 17:56:33 +0800 Message-ID: <1362563800-16673-3-git-send-email-peter.chen@freescale.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1362563800-16673-1-git-send-email-peter.chen@freescale.com> References: <1362563800-16673-1-git-send-email-peter.chen@freescale.com> MIME-Version: 1.0 X-OriginatorOrg: freescale.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130306_045712_787185_B9AD3589 X-CRM114-Status: GOOD ( 16.33 ) X-Spam-Score: -2.6 (--) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-2.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [216.32.181.182 listed in list.dnswl.org] -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: marex@denx.de, m.grzeschik@pengutronix.de, gregkh@linuxfoundation.org, pkondeti@codeaurora.org, linux-usb@vger.kernel.org, balbi@ti.com, mkl@pengutronix.de, kernel@pengutronix.de, matt@genesi-usa.com, shawn.guo@linaro.org, festevam@gmail.com, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Implement struct usb_otg, In that way, calling otg_set_peripheral will not be failed at udc.c. Signed-off-by: Peter Chen --- drivers/usb/chipidea/Makefile | 2 +- drivers/usb/chipidea/ci.h | 2 + drivers/usb/chipidea/otg.c | 60 +++++++++++++++++++++++++++++++++++++++++ drivers/usb/chipidea/otg.h | 6 ++++ 4 files changed, 69 insertions(+), 1 deletions(-) diff --git a/drivers/usb/chipidea/Makefile b/drivers/usb/chipidea/Makefile index d92ca32..11f513c 100644 --- a/drivers/usb/chipidea/Makefile +++ b/drivers/usb/chipidea/Makefile @@ -2,7 +2,7 @@ ccflags-$(CONFIG_USB_CHIPIDEA_DEBUG) := -DDEBUG obj-$(CONFIG_USB_CHIPIDEA) += ci_hdrc.o -ci_hdrc-y := core.o +ci_hdrc-y := core.o otg.o ci_hdrc-$(CONFIG_USB_CHIPIDEA_UDC) += udc.o ci_hdrc-$(CONFIG_USB_CHIPIDEA_HOST) += host.o ci_hdrc-$(CONFIG_USB_CHIPIDEA_DEBUG) += debug.o diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h index d738603..697e369 100644 --- a/drivers/usb/chipidea/ci.h +++ b/drivers/usb/chipidea/ci.h @@ -129,6 +129,7 @@ struct hw_bank { * @vbus_active: is VBUS active * @transceiver: pointer to USB PHY, if any * @hcd: pointer to usb_hcd for ehci host driver + * @otg: for otg support */ struct ci13xxx { struct device *dev; @@ -164,6 +165,7 @@ struct ci13xxx { bool global_phy; struct usb_phy *transceiver; struct usb_hcd *hcd; + struct usb_otg otg; }; static inline struct ci_role_driver *ci_role(struct ci13xxx *ci) diff --git a/drivers/usb/chipidea/otg.c b/drivers/usb/chipidea/otg.c new file mode 100644 index 0000000..7dea3b3 --- /dev/null +++ b/drivers/usb/chipidea/otg.c @@ -0,0 +1,60 @@ +/* + * otg.c - ChipIdea USB IP core OTG driver + * + * Copyright (C) 2012 Freescale Semiconductor, Inc. + * + * Author: Peter Chen + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "ci.h" +#include "udc.h" +#include "bits.h" +#include "host.h" +#include "debug.h" + +static int ci_otg_set_peripheral(struct usb_otg *otg, + struct usb_gadget *periph) +{ + otg->gadget = periph; + + return 0; +} + +static int ci_otg_set_host(struct usb_otg *otg, struct usb_bus *host) +{ + otg->host = host; + + return 0; +} + +/** + * ci_hdrc_otg_init - initialize device related bits + * ci: the controller + * + * This function create otg struct, if the device can switch between + * device and host. + */ +int ci_hdrc_otg_init(struct ci13xxx *ci) +{ + /* Useless at current */ + ci->otg.set_peripheral = ci_otg_set_peripheral; + ci->otg.set_host = ci_otg_set_host; + if (!IS_ERR_OR_NULL(ci->transceiver)) + ci->transceiver->otg = &ci->otg; + + return 0; +} diff --git a/drivers/usb/chipidea/otg.h b/drivers/usb/chipidea/otg.h new file mode 100644 index 0000000..b4c6b3e --- /dev/null +++ b/drivers/usb/chipidea/otg.h @@ -0,0 +1,6 @@ +#ifndef __DRIVERS_USB_CHIPIDEA_OTG_H +#define __DRIVERS_USB_CHIPIDEA_OTG_H + +int ci_hdrc_otg_init(struct ci13xxx *ci); + +#endif /* __DRIVERS_USB_CHIPIDEA_OTG_H */