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/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
*
* Copyright 2013-2016 Freescale Semiconductor Inc.
*
*/
#include <fsl_mc_sys.h>
#include <fsl_mc_cmd.h>
#include <fsl_dpcon.h>
#include <fsl_dpcon_cmd.h>
/**
* dpcon_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_'
* @dpcon_id: DPCON 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 dpcon_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 dpcon_open(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
int dpcon_id,
uint16_t *token)
{
struct mc_command cmd = { 0 };
struct dpcon_cmd_open *dpcon_cmd;
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPCON_CMDID_OPEN,
cmd_flags,
0);
dpcon_cmd = (struct dpcon_cmd_open *)cmd.params;
dpcon_cmd->dpcon_id = cpu_to_le32(dpcon_id);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
*token = mc_cmd_hdr_read_token(&cmd);
return 0;
}
/**
* dpcon_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 DPCON 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 dpcon_close(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPCON_CMDID_CLOSE,
cmd_flags,
token);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpcon_create() - Create the DPCON object.
* @mc_io: Pointer to MC portal's I/O object
* @dprc_token: Parent container token; '0' for default container
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @cfg: Configuration structure
* @obj_id: Returned object id; use in subsequent API calls
*
* Create the DPCON 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 accepts an authentication token of a parent
* container that this object should be assigned to and returns
* an object id. This object_id will be used in all subsequent calls to
* this specific object.
*
* Return: '0' on Success; Error code otherwise.
*/
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)
{
struct dpcon_cmd_create *dpcon_cmd;
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPCON_CMDID_CREATE,
cmd_flags,
dprc_token);
dpcon_cmd = (struct dpcon_cmd_create *)cmd.params;
dpcon_cmd->num_priorities = cfg->num_priorities;
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
*obj_id = mc_cmd_read_object_id(&cmd);
return 0;
}
/**
* dpcon_destroy() - Destroy the DPCON object and release all its resources.
* @mc_io: Pointer to MC portal's I/O object
* @dprc_token: Parent container token; '0' for default container
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @obj_id: ID of DPCON object
*
* Return: '0' on Success; error code otherwise.
*/
int dpcon_destroy(struct fsl_mc_io *mc_io,
uint16_t dprc_token,
uint32_t cmd_flags,
uint32_t obj_id)
{
struct dpcon_cmd_destroy *cmd_params;
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPCON_CMDID_DESTROY,
cmd_flags,
dprc_token);
cmd_params = (struct dpcon_cmd_destroy *)cmd.params;
cmd_params->object_id = cpu_to_le32(obj_id);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpcon_enable() - Enable the DPCON
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPCON object
*
* Return: '0' on Success; Error code otherwise
*/
int dpcon_enable(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPCON_CMDID_ENABLE,
cmd_flags,
token);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpcon_disable() - Disable the DPCON
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPCON object
*
* Return: '0' on Success; Error code otherwise
*/
int dpcon_disable(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPCON_CMDID_DISABLE,
cmd_flags,
token);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpcon_is_enabled() - Check if the DPCON 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 DPCON object
* @en: Returns '1' if object is enabled; '0' otherwise
*
* Return: '0' on Success; Error code otherwise.
*/
int dpcon_is_enabled(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
int *en)
{
struct dpcon_rsp_is_enabled *dpcon_rsp;
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPCON_CMDID_IS_ENABLED,
cmd_flags,
token);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
dpcon_rsp = (struct dpcon_rsp_is_enabled *)cmd.params;
*en = dpcon_rsp->enabled & DPCON_ENABLE;
return 0;
}
/**
* dpcon_reset() - Reset the DPCON, 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 DPCON object
*
* Return: '0' on Success; Error code otherwise.
*/
int dpcon_reset(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPCON_CMDID_RESET,
cmd_flags, token);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpcon_get_attributes() - Retrieve DPCON 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 DPCON object
* @attr: Object's attributes
*
* Return: '0' on Success; Error code otherwise.
*/
int dpcon_get_attributes(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
struct dpcon_attr *attr)
{
struct dpcon_rsp_get_attr *dpcon_rsp;
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPCON_CMDID_GET_ATTR,
cmd_flags,
token);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
dpcon_rsp = (struct dpcon_rsp_get_attr *)cmd.params;
attr->id = le32_to_cpu(dpcon_rsp->id);
attr->qbman_ch_id = le16_to_cpu(dpcon_rsp->qbman_ch_id);
attr->num_priorities = dpcon_rsp->num_priorities;
return 0;
}
/**
* dpcon_get_api_version - Get Data Path Concentrator API version
* @mc_io: Pointer to MC portal's DPCON object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @major_ver: Major version of DPCON API
* @minor_ver: Minor version of DPCON API
*
* Return: '0' on Success; Error code otherwise
*/
int dpcon_get_api_version(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t *major_ver,
uint16_t *minor_ver)
{
struct dpcon_rsp_get_api_version *rsp_params;
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPCON_CMDID_GET_API_VERSION,
cmd_flags, 0);
/* send command to mc */
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
rsp_params = (struct dpcon_rsp_get_api_version *)cmd.params;
*major_ver = le16_to_cpu(rsp_params->major);
*minor_ver = le16_to_cpu(rsp_params->minor);
return 0;
}
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