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/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
*
* Copyright 2013-2016 Freescale Semiconductor Inc.
*
*/
#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,
uint32_t cmd_flags,
int dpcon_id,
uint16_t *token);
int dpcon_close(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token);
/**
* struct dpcon_cfg - Structure representing DPCON configuration
* @num_priorities: Number of priorities for the DPCON channel (1-8)
*/
struct dpcon_cfg {
uint8_t num_priorities;
};
int dpcon_create(struct fsl_mc_io *mc_io,
uint16_t dprc_token,
uint32_t cmd_flags,
const struct dpcon_cfg *cfg,
uint32_t *obj_id);
int dpcon_destroy(struct fsl_mc_io *mc_io,
uint16_t dprc_token,
uint32_t cmd_flags,
uint32_t obj_id);
int dpcon_enable(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token);
int dpcon_disable(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token);
int dpcon_is_enabled(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
int *en);
int dpcon_reset(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t 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;
uint16_t qbman_ch_id;
uint8_t num_priorities;
};
int dpcon_get_attributes(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t 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;
uint8_t priority;
uint64_t user_ctx;
};
int dpcon_set_notification(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
struct dpcon_notification_cfg *cfg);
int dpcon_get_api_version(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t *major_ver,
uint16_t *minor_ver);
#endif /* __FSL_DPCON_H */
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