mirror of https://github.com/F-Stack/f-stack.git
362 lines
9.4 KiB
C
362 lines
9.4 KiB
C
/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
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*
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* Copyright 2013-2016 Freescale Semiconductor Inc.
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*
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*/
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#include <fsl_mc_sys.h>
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#include <fsl_mc_cmd.h>
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#include <fsl_dpcon.h>
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#include <fsl_dpcon_cmd.h>
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/**
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* dpcon_open() - Open a control session for the specified object
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @dpcon_id: DPCON unique ID
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* @token: Returned token; use in subsequent API calls
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*
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* This function can be used to open a control session for an
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* already created object; an object may have been declared in
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* the DPL or by calling the dpcon_create() function.
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* This function returns a unique authentication token,
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* associated with the specific object ID and the specific MC
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* portal; this token must be used in all subsequent commands for
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* this specific object.
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpcon_open(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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int dpcon_id,
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uint16_t *token)
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{
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struct mc_command cmd = { 0 };
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struct dpcon_cmd_open *dpcon_cmd;
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int err;
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPCON_CMDID_OPEN,
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cmd_flags,
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0);
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dpcon_cmd = (struct dpcon_cmd_open *)cmd.params;
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dpcon_cmd->dpcon_id = cpu_to_le32(dpcon_id);
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/* send command to mc*/
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err = mc_send_command(mc_io, &cmd);
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if (err)
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return err;
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/* retrieve response parameters */
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*token = mc_cmd_hdr_read_token(&cmd);
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return 0;
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}
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/**
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* dpcon_close() - Close the control session of the object
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPCON object
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*
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* After this function is called, no further operations are
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* allowed on the object without opening a new control session.
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpcon_close(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token)
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{
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struct mc_command cmd = { 0 };
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPCON_CMDID_CLOSE,
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cmd_flags,
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token);
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/* send command to mc*/
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return mc_send_command(mc_io, &cmd);
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}
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/**
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* dpcon_create() - Create the DPCON object.
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* @mc_io: Pointer to MC portal's I/O object
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* @dprc_token: Parent container token; '0' for default container
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @cfg: Configuration structure
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* @obj_id: Returned object id; use in subsequent API calls
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*
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* Create the DPCON object, allocate required resources and
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* perform required initialization.
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*
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* The object can be created either by declaring it in the
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* DPL file, or by calling this function.
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*
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* This function accepts an authentication token of a parent
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* container that this object should be assigned to and returns
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* an object id. This object_id will be used in all subsequent calls to
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* this specific object.
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpcon_create(struct fsl_mc_io *mc_io,
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uint16_t dprc_token,
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uint32_t cmd_flags,
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const struct dpcon_cfg *cfg,
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uint32_t *obj_id)
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{
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struct dpcon_cmd_create *dpcon_cmd;
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struct mc_command cmd = { 0 };
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int err;
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPCON_CMDID_CREATE,
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cmd_flags,
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dprc_token);
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dpcon_cmd = (struct dpcon_cmd_create *)cmd.params;
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dpcon_cmd->num_priorities = cfg->num_priorities;
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/* send command to mc*/
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err = mc_send_command(mc_io, &cmd);
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if (err)
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return err;
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/* retrieve response parameters */
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*obj_id = mc_cmd_read_object_id(&cmd);
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return 0;
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}
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/**
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* dpcon_destroy() - Destroy the DPCON object and release all its resources.
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* @mc_io: Pointer to MC portal's I/O object
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* @dprc_token: Parent container token; '0' for default container
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @obj_id: ID of DPCON object
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*
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* Return: '0' on Success; error code otherwise.
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*/
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int dpcon_destroy(struct fsl_mc_io *mc_io,
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uint16_t dprc_token,
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uint32_t cmd_flags,
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uint32_t obj_id)
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{
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struct dpcon_cmd_destroy *cmd_params;
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struct mc_command cmd = { 0 };
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPCON_CMDID_DESTROY,
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cmd_flags,
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dprc_token);
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cmd_params = (struct dpcon_cmd_destroy *)cmd.params;
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cmd_params->object_id = cpu_to_le32(obj_id);
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/* send command to mc*/
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return mc_send_command(mc_io, &cmd);
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}
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/**
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* dpcon_enable() - Enable the DPCON
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPCON object
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*
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* Return: '0' on Success; Error code otherwise
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*/
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int dpcon_enable(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token)
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{
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struct mc_command cmd = { 0 };
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPCON_CMDID_ENABLE,
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cmd_flags,
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token);
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/* send command to mc*/
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return mc_send_command(mc_io, &cmd);
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}
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/**
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* dpcon_disable() - Disable the DPCON
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPCON object
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*
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* Return: '0' on Success; Error code otherwise
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*/
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int dpcon_disable(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token)
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{
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struct mc_command cmd = { 0 };
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPCON_CMDID_DISABLE,
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cmd_flags,
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token);
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/* send command to mc*/
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return mc_send_command(mc_io, &cmd);
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}
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/**
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* dpcon_is_enabled() - Check if the DPCON is enabled.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPCON object
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* @en: Returns '1' if object is enabled; '0' otherwise
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpcon_is_enabled(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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int *en)
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{
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struct dpcon_rsp_is_enabled *dpcon_rsp;
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struct mc_command cmd = { 0 };
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int err;
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPCON_CMDID_IS_ENABLED,
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cmd_flags,
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token);
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/* send command to mc*/
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err = mc_send_command(mc_io, &cmd);
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if (err)
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return err;
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/* retrieve response parameters */
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dpcon_rsp = (struct dpcon_rsp_is_enabled *)cmd.params;
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*en = dpcon_rsp->enabled & DPCON_ENABLE;
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return 0;
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}
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/**
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* dpcon_reset() - Reset the DPCON, returns the object to initial state.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPCON object
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpcon_reset(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token)
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{
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struct mc_command cmd = { 0 };
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPCON_CMDID_RESET,
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cmd_flags, token);
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/* send command to mc*/
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return mc_send_command(mc_io, &cmd);
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}
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/**
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* dpcon_get_attributes() - Retrieve DPCON attributes.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPCON object
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* @attr: Object's attributes
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpcon_get_attributes(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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struct dpcon_attr *attr)
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{
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struct dpcon_rsp_get_attr *dpcon_rsp;
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struct mc_command cmd = { 0 };
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int err;
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPCON_CMDID_GET_ATTR,
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cmd_flags,
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token);
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/* send command to mc*/
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err = mc_send_command(mc_io, &cmd);
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if (err)
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return err;
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/* retrieve response parameters */
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dpcon_rsp = (struct dpcon_rsp_get_attr *)cmd.params;
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attr->id = le32_to_cpu(dpcon_rsp->id);
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attr->qbman_ch_id = le16_to_cpu(dpcon_rsp->qbman_ch_id);
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attr->num_priorities = dpcon_rsp->num_priorities;
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return 0;
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}
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/**
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* dpcon_set_notification() - Set DPCON notification destination
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPCON object
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* @cfg: Notification parameters
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*
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* Return: '0' on Success; Error code otherwise
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*/
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int dpcon_set_notification(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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struct dpcon_notification_cfg *cfg)
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{
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struct dpcon_cmd_set_notification *dpcon_cmd;
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struct mc_command cmd = { 0 };
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPCON_CMDID_SET_NOTIFICATION,
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cmd_flags,
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token);
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dpcon_cmd = (struct dpcon_cmd_set_notification *)cmd.params;
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dpcon_cmd->dpio_id = cpu_to_le32(cfg->dpio_id);
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dpcon_cmd->priority = cfg->priority;
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dpcon_cmd->user_ctx = cpu_to_le64(cfg->user_ctx);
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/* send command to mc*/
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return mc_send_command(mc_io, &cmd);
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}
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/**
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* dpcon_get_api_version - Get Data Path Concentrator API version
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* @mc_io: Pointer to MC portal's DPCON object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @major_ver: Major version of DPCON API
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* @minor_ver: Minor version of DPCON API
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*
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* Return: '0' on Success; Error code otherwise
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*/
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int dpcon_get_api_version(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t *major_ver,
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uint16_t *minor_ver)
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{
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struct dpcon_rsp_get_api_version *rsp_params;
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struct mc_command cmd = { 0 };
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int err;
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPCON_CMDID_GET_API_VERSION,
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cmd_flags, 0);
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/* send command to mc */
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err = mc_send_command(mc_io, &cmd);
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if (err)
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return err;
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/* retrieve response parameters */
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rsp_params = (struct dpcon_rsp_get_api_version *)cmd.params;
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*major_ver = le16_to_cpu(rsp_params->major);
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*minor_ver = le16_to_cpu(rsp_params->minor);
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return 0;
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}
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