mirror of https://github.com/F-Stack/f-stack.git
166 lines
5.2 KiB
C
166 lines
5.2 KiB
C
/*-
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* BSD LICENSE
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*
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* Copyright 2013-2016 Freescale Semiconductor Inc.
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* Copyright 2016-2017 NXP.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the above-listed copyright holders nor the
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* names of any contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* GPL LICENSE SUMMARY
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*
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* ALTERNATIVELY, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") as published by the Free Software
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* Foundation, either version 2 of that License or (at your option) any
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* later version.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __FSL_DPIO_H
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#define __FSL_DPIO_H
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/* Data Path I/O Portal API
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* Contains initialization APIs and runtime control APIs for DPIO
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*/
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struct fsl_mc_io;
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int dpio_open(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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int dpio_id,
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uint16_t *token);
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int dpio_close(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token);
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/**
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* enum dpio_channel_mode - DPIO notification channel mode
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* @DPIO_NO_CHANNEL: No support for notification channel
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* @DPIO_LOCAL_CHANNEL: Notifications on data availability can be received by a
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* dedicated channel in the DPIO; user should point the queue's
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* destination in the relevant interface to this DPIO
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*/
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enum dpio_channel_mode {
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DPIO_NO_CHANNEL = 0,
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DPIO_LOCAL_CHANNEL = 1,
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};
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/**
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* struct dpio_cfg - Structure representing DPIO configuration
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* @channel_mode: Notification channel mode
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* @num_priorities: Number of priorities for the notification channel (1-8);
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* relevant only if 'channel_mode = DPIO_LOCAL_CHANNEL'
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*/
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struct dpio_cfg {
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enum dpio_channel_mode channel_mode;
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uint8_t num_priorities;
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};
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int dpio_create(struct fsl_mc_io *mc_io,
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uint16_t dprc_token,
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uint32_t cmd_flags,
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const struct dpio_cfg *cfg,
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uint32_t *obj_id);
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int dpio_destroy(struct fsl_mc_io *mc_io,
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uint16_t dprc_token,
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uint32_t cmd_flags,
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uint32_t object_id);
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int dpio_enable(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token);
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int dpio_disable(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token);
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int dpio_is_enabled(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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int *en);
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int dpio_reset(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token);
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int dpio_set_stashing_destination(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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uint8_t sdest);
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int dpio_get_stashing_destination(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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uint8_t *sdest);
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int dpio_add_static_dequeue_channel(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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int dpcon_id,
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uint8_t *channel_index);
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int dpio_remove_static_dequeue_channel(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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int dpcon_id);
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/**
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* struct dpio_attr - Structure representing DPIO attributes
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* @id: DPIO object ID
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* @qbman_portal_ce_offset: Offset of the software portal cache-enabled area
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* @qbman_portal_ci_offset: Offset of the software portal
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* cache-inhibited area
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* @qbman_portal_id: Software portal ID
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* @channel_mode: Notification channel mode
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* @num_priorities: Number of priorities for the notification
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* channel (1-8); relevant only if
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* 'channel_mode = DPIO_LOCAL_CHANNEL'
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* @qbman_version: QBMAN version
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*/
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struct dpio_attr {
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int id;
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uint64_t qbman_portal_ce_offset;
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uint64_t qbman_portal_ci_offset;
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uint16_t qbman_portal_id;
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enum dpio_channel_mode channel_mode;
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uint8_t num_priorities;
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uint32_t qbman_version;
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uint32_t clk;
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};
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int dpio_get_attributes(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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struct dpio_attr *attr);
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int dpio_get_api_version(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t *major_ver,
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uint16_t *minor_ver);
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#endif /* __FSL_DPIO_H */
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