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/* Copyright 2013-2016 Freescale Semiconductor Inc.
*
* 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_DPCON_H
#define __FSL_DPCON_H
/* Data Path Concentrator API
* Contains initialization APIs and runtime control APIs for DPCON
*/
struct fsl_mc_io;
/** General DPCON macros */
/**
* Use it to disable notifications; see dpcon_set_notification()
*/
#define DPCON_INVALID_DPIO_ID (int)(-1)
int dpcon_open(struct fsl_mc_io *mc_io,
u32 cmd_flags,
int dpcon_id,
u16 *token);
int dpcon_close(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
int dpcon_enable(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
int dpcon_disable(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
int dpcon_is_enabled(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int *en);
int dpcon_reset(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
/**
* struct dpcon_attr - Structure representing DPCON attributes
* @id: DPCON object ID
* @qbman_ch_id: Channel ID to be used by dequeue operation
* @num_priorities: Number of priorities for the DPCON channel (1-8)
*/
struct dpcon_attr {
int id;
u16 qbman_ch_id;
u8 num_priorities;
};
int dpcon_get_attributes(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
struct dpcon_attr *attr);
/**
* struct dpcon_notification_cfg - Structure representing notification params
* @dpio_id: DPIO object ID; must be configured with a notification channel;
* to disable notifications set it to 'DPCON_INVALID_DPIO_ID';
* @priority: Priority selection within the DPIO channel; valid values
* are 0-7, depending on the number of priorities in that channel
* @user_ctx: User context value provided with each CDAN message
*/
struct dpcon_notification_cfg {
int dpio_id;
u8 priority;
u64 user_ctx;
};
int dpcon_set_notification(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
struct dpcon_notification_cfg *cfg);
int dpcon_get_api_version(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 *major_ver,
u16 *minor_ver);
#endif /* __FSL_DPCON_H */
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