/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
/*
* Copyright 2013 - 2016 Freescale Semiconductor Inc .
* Copyright 2016 NXP
*
*/
#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
* @ clk : QBMAN clock frequency value in Hz
*/
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;
u32 clk;
};
int dpio_get_attributes(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
struct dpio_attr *attr);
int dpio_set_stashing_destination(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 dest);
int dpio_get_api_version(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 *major_ver,
u16 *minor_ver);
int dpio_reset(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
#endif /* __FSL_DPIO_H */
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