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Commit 17d5d811 authored by Jack Pham's avatar Jack Pham Committed by Matt Wagantall
Browse files

msm: ipa: Add snapshot of ECM IPA header 



This adds just the header file associated with the ECM IPA
driver in order to allow the USB BAM gadget driver to compile.

This snapshot is taken as of msm-3.14 commit 3bc54cf86b (Merge
"msm: camera: Add dummy sub module in sensor pipeline")

Signed-off-by: default avatarJack Pham <jackp@codeaurora.org>
parent 62e44b41

include/linux/ecm_ipa.h

0 → 100644
+95 −0
Original line number Diff line number Diff line 
/* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

 * only version 2 as published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 */



#ifndef _ECM_IPA_H_

#define _ECM_IPA_H_



#include <linux/ipa.h>



/*

 * @priv: private data given upon ipa_connect

 * @evt: event enum, should be IPA_WRITE_DONE

 * @data: for tx path the data field is the sent socket buffer.

 */

typedef void (*ecm_ipa_callback)(void *priv,

		enum ipa_dp_evt_type evt,

		unsigned long data);



/*

 * struct ecm_ipa_params - parameters for ecm_ipa initialization API

 *

 * @device_ready_notify: callback supplied by USB core driver.

 * This callback shall be called by the Netdev once the device

 * is ready to recieve data from tethered PC.

 * @ecm_ipa_rx_dp_notify: ecm_ipa will set this callback (out parameter).

 * this callback shall be supplied for ipa_connect upon pipe

 * connection (USB->IPA), once IPA driver receive data packets

 * from USB pipe destined for Apps this callback will be called.

 * @ecm_ipa_tx_dp_notify: ecm_ipa will set this callback (out parameter).

 * this callback shall be supplied for ipa_connect upon pipe

 * connection (IPA->USB), once IPA driver send packets destined

 * for USB, IPA BAM will notify for Tx-complete.

 * @priv: ecm_ipa will set this pointer (out parameter).

 * This pointer will hold the network device for later interaction

 * with ecm_ipa APIs

 * @host_ethaddr: host Ethernet address in network order

 * @device_ethaddr: device Ethernet address in network order

 * @skip_ep_cfg: boolean field that determines if Apps-processor

 *  should or should not configure this end-point.

 */

struct ecm_ipa_params {

	void (*device_ready_notify)(void);

	ecm_ipa_callback ecm_ipa_rx_dp_notify;

	ecm_ipa_callback ecm_ipa_tx_dp_notify;

	u8 host_ethaddr[ETH_ALEN];

	u8 device_ethaddr[ETH_ALEN];

	void *private;

	bool skip_ep_cfg;

};





#ifdef CONFIG_ECM_IPA



int ecm_ipa_init(struct ecm_ipa_params *params);



int ecm_ipa_connect(u32 usb_to_ipa_hdl, u32 ipa_to_usb_hdl,

		void *priv);



int ecm_ipa_disconnect(void *priv);



void ecm_ipa_cleanup(void *priv);



#else /* CONFIG_ECM_IPA*/



int ecm_ipa_init(struct ecm_ipa_params *params)

{

	return 0;

}



static inline int ecm_ipa_connect(u32 usb_to_ipa_hdl, u32 ipa_to_usb_hdl,

		void *priv)

{

	return 0;

}



static inline int ecm_ipa_disconnect(void *priv)

{

	return 0;

}



static inline void ecm_ipa_cleanup(void *priv)

{



}

#endif /* CONFIG_ECM_IPA*/



#endif /* _ECM_IPA_H_ */