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/*
* Copyright 2013-2016 Freescale Semiconductor Inc.
* Copyright 2016 NXP
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the above-listed copyright holders nor the
* names of any contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* ALTERNATIVELY, this software may be distributed under the terms of the
* GNU General Public License ("GPL") as published by the Free Software
* Foundation, either version 2 of that License or (at your option) any
* later version.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __FSL_DPIO_H
#define __FSL_DPIO_H
struct fsl_mc_io;
int dpio_open(struct fsl_mc_io *mc_io,
u32 cmd_flags,
int dpio_id,
u16 *token);
int dpio_close(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
/**
* enum dpio_channel_mode - DPIO notification channel mode
* @DPIO_NO_CHANNEL: No support for notification channel
* @DPIO_LOCAL_CHANNEL: Notifications on data availability can be received by a
* dedicated channel in the DPIO; user should point the queue's
* destination in the relevant interface to this DPIO
*/
enum dpio_channel_mode {
DPIO_NO_CHANNEL = 0,
DPIO_LOCAL_CHANNEL = 1,
};
/**
* struct dpio_cfg - Structure representing DPIO configuration
* @channel_mode: Notification channel mode
* @num_priorities: Number of priorities for the notification channel (1-8);
* relevant only if 'channel_mode = DPIO_LOCAL_CHANNEL'
*/
struct dpio_cfg {
enum dpio_channel_mode channel_mode;
u8 num_priorities;
};
int dpio_enable(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
int dpio_disable(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
/**
* struct dpio_attr - Structure representing DPIO attributes
* @id: DPIO object ID
* @qbman_portal_ce_offset: offset of the software portal cache-enabled area
* @qbman_portal_ci_offset: offset of the software portal cache-inhibited area
* @qbman_portal_id: Software portal ID
* @channel_mode: Notification channel mode
* @num_priorities: Number of priorities for the notification channel (1-8);
* relevant only if 'channel_mode = DPIO_LOCAL_CHANNEL'
* @qbman_version: QBMAN version
*/
struct dpio_attr {
int id;
u64 qbman_portal_ce_offset;
u64 qbman_portal_ci_offset;
u16 qbman_portal_id;
enum dpio_channel_mode channel_mode;
u8 num_priorities;
u32 qbman_version;
};
int dpio_get_attributes(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
struct dpio_attr *attr);
int dpio_get_api_version(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 *major_ver,
u16 *minor_ver);
#endif /* __FSL_DPIO_H */
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