/* 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 */