84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/* 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
|
|
*/
|
|
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 */
|