mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-05 20:54:31 +00:00
a6f2a6eafe
Updated copyright info for the issues reported after running check-legal test. Signed-off-by: Yogesh Gaur <yogeshnarayan.gaur@nxp.com> Reviewed-by: York Sun <york.sun@nxp.com>
229 lines
6.4 KiB
C
229 lines
6.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* Freescale Layerscape MC I/O wrapper
|
|
*
|
|
* Copyright 2013-2016 Freescale Semiconductor, Inc.
|
|
* Copyright 2017 NXP
|
|
*/
|
|
/*!
|
|
* @file fsl_dpbp.h
|
|
* @brief Data Path Buffer Pool API
|
|
*/
|
|
#ifndef __FSL_DPBP_H
|
|
#define __FSL_DPBP_H
|
|
|
|
/* DPBP Version */
|
|
#define DPBP_VER_MAJOR 3
|
|
#define DPBP_VER_MINOR 3
|
|
|
|
/* Command IDs */
|
|
#define DPBP_CMDID_CLOSE 0x8001
|
|
#define DPBP_CMDID_OPEN 0x8041
|
|
#define DPBP_CMDID_CREATE 0x9041
|
|
#define DPBP_CMDID_DESTROY 0x9841
|
|
#define DPBP_CMDID_GET_API_VERSION 0xa041
|
|
|
|
#define DPBP_CMDID_ENABLE 0x0021
|
|
#define DPBP_CMDID_DISABLE 0x0031
|
|
#define DPBP_CMDID_GET_ATTR 0x0041
|
|
#define DPBP_CMDID_RESET 0x0051
|
|
#define DPBP_CMDID_IS_ENABLED 0x0061
|
|
|
|
/* cmd, param, offset, width, type, arg_name */
|
|
#define DPBP_CMD_OPEN(cmd, dpbp_id) \
|
|
MC_CMD_OP(cmd, 0, 0, 32, int, dpbp_id)
|
|
|
|
/* cmd, param, offset, width, type, arg_name */
|
|
#define DPBP_RSP_GET_ATTRIBUTES(cmd, attr) \
|
|
do { \
|
|
MC_RSP_OP(cmd, 0, 16, 16, uint16_t, attr->bpid); \
|
|
MC_RSP_OP(cmd, 0, 32, 32, int, attr->id);\
|
|
} while (0)
|
|
|
|
/* Data Path Buffer Pool API
|
|
* Contains initialization APIs and runtime control APIs for DPBP
|
|
*/
|
|
|
|
struct fsl_mc_io;
|
|
|
|
/**
|
|
* dpbp_open() - Open a control session for the specified object.
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @dpbp_id: DPBP unique ID
|
|
* @token: Returned token; use in subsequent API calls
|
|
*
|
|
* This function can be used to open a control session for an
|
|
* already created object; an object may have been declared in
|
|
* the DPL or by calling the dpbp_create function.
|
|
* This function returns a unique authentication token,
|
|
* associated with the specific object ID and the specific MC
|
|
* portal; this token must be used in all subsequent commands for
|
|
* this specific object
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dpbp_open(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
int dpbp_id,
|
|
uint16_t *token);
|
|
|
|
/**
|
|
* dpbp_close() - Close the control session of the object
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @token: Token of DPBP object
|
|
*
|
|
* After this function is called, no further operations are
|
|
* allowed on the object without opening a new control session.
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dpbp_close(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token);
|
|
|
|
/**
|
|
* struct dpbp_cfg - Structure representing DPBP configuration
|
|
* @options: place holder
|
|
*/
|
|
struct dpbp_cfg {
|
|
uint32_t options;
|
|
};
|
|
|
|
/**
|
|
* dpbp_create() - Create the DPBP object.
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @cfg: Configuration structure
|
|
* @token: Returned token; use in subsequent API calls
|
|
*
|
|
* Create the DPBP object, allocate required resources and
|
|
* perform required initialization.
|
|
*
|
|
* The object can be created either by declaring it in the
|
|
* DPL file, or by calling this function.
|
|
* This function returns a unique authentication token,
|
|
* associated with the specific object ID and the specific MC
|
|
* portal; this token must be used in all subsequent calls to
|
|
* this specific object. For objects that are created using the
|
|
* DPL file, call dpbp_open function to get an authentication
|
|
* token first.
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dpbp_create(struct fsl_mc_io *mc_io,
|
|
uint16_t dprc_token,
|
|
uint32_t cmd_flags,
|
|
const struct dpbp_cfg *cfg,
|
|
uint32_t *obj_id);
|
|
|
|
/**
|
|
* dpbp_destroy() - Destroy the DPBP object and release all its resources.
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @token: Token of DPBP object
|
|
*
|
|
* Return: '0' on Success; error code otherwise.
|
|
*/
|
|
int dpbp_destroy(struct fsl_mc_io *mc_io,
|
|
uint16_t dprc_token,
|
|
uint32_t cmd_flags,
|
|
uint32_t obj_id);
|
|
|
|
/**
|
|
* dpbp_enable() - Enable the DPBP.
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @token: Token of DPBP object
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dpbp_enable(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token);
|
|
|
|
/**
|
|
* dpbp_disable() - Disable the DPBP.
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @token: Token of DPBP object
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dpbp_disable(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token);
|
|
|
|
/**
|
|
* dpbp_is_enabled() - Check if the DPBP is enabled.
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @token: Token of DPBP object
|
|
* @en: Returns '1' if object is enabled; '0' otherwise
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dpbp_is_enabled(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
int *en);
|
|
|
|
/**
|
|
* dpbp_reset() - Reset the DPBP, returns the object to initial state.
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @token: Token of DPBP object
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dpbp_reset(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token);
|
|
|
|
|
|
/**
|
|
* struct dpbp_attr - Structure representing DPBP attributes
|
|
* @id: DPBP object ID
|
|
* @version: DPBP version
|
|
* @bpid: Hardware buffer pool ID; should be used as an argument in
|
|
* acquire/release operations on buffers
|
|
*/
|
|
struct dpbp_attr {
|
|
uint32_t id;
|
|
uint16_t bpid;
|
|
};
|
|
|
|
/**
|
|
* dpbp_get_attributes - Retrieve DPBP attributes.
|
|
*
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @token: Token of DPBP object
|
|
* @attr: Returned object's attributes
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dpbp_get_attributes(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
struct dpbp_attr *attr);
|
|
|
|
/**
|
|
* dpbp_get_api_version - Retrieve DPBP Major and Minor version info.
|
|
*
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @major_ver: DPBP major version
|
|
* @minor_ver: DPBP minor version
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dpbp_get_api_version(struct fsl_mc_io *mc_io,
|
|
u32 cmd_flags,
|
|
u16 *major_ver,
|
|
u16 *minor_ver);
|
|
|
|
/** @} */
|
|
|
|
#endif /* __FSL_DPBP_H */
|