784 lines
23 KiB
C
784 lines
23 KiB
C
/*
|
|
* Copyright 2013-2016 Freescale Semiconductor Inc.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* * Neither the name of the above-listed copyright holders nor the
|
|
* names of any contributors may be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* ALTERNATIVELY, this software may be distributed under the terms of the
|
|
* GNU General Public License ("GPL") as published by the Free Software
|
|
* Foundation, either version 2 of that License or (at your option) any
|
|
* later version.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
#include <linux/kernel.h>
|
|
#include "../include/mc.h"
|
|
#include "dprc.h"
|
|
|
|
#include "dprc-cmd.h"
|
|
|
|
/**
|
|
* dprc_open() - Open DPRC object for use
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @container_id: Container ID to open
|
|
* @token: Returned token of DPRC object
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*
|
|
* @warning Required before any operation on the object.
|
|
*/
|
|
int dprc_open(struct fsl_mc_io *mc_io,
|
|
u32 cmd_flags,
|
|
int container_id,
|
|
u16 *token)
|
|
{
|
|
struct mc_command cmd = { 0 };
|
|
struct dprc_cmd_open *cmd_params;
|
|
int err;
|
|
|
|
/* prepare command */
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_OPEN, cmd_flags,
|
|
0);
|
|
cmd_params = (struct dprc_cmd_open *)cmd.params;
|
|
cmd_params->container_id = cpu_to_le32(container_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;
|
|
}
|
|
EXPORT_SYMBOL(dprc_open);
|
|
|
|
/**
|
|
* dprc_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 DPRC 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 dprc_close(struct fsl_mc_io *mc_io,
|
|
u32 cmd_flags,
|
|
u16 token)
|
|
{
|
|
struct mc_command cmd = { 0 };
|
|
|
|
/* prepare command */
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_CLOSE, cmd_flags,
|
|
token);
|
|
|
|
/* send command to mc*/
|
|
return mc_send_command(mc_io, &cmd);
|
|
}
|
|
EXPORT_SYMBOL(dprc_close);
|
|
|
|
/**
|
|
* dprc_get_irq() - Get IRQ information from the DPRC.
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @token: Token of DPRC object
|
|
* @irq_index: The interrupt index to configure
|
|
* @type: Interrupt type: 0 represents message interrupt
|
|
* type (both irq_addr and irq_val are valid)
|
|
* @irq_cfg: IRQ attributes
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dprc_get_irq(struct fsl_mc_io *mc_io,
|
|
u32 cmd_flags,
|
|
u16 token,
|
|
u8 irq_index,
|
|
int *type,
|
|
struct dprc_irq_cfg *irq_cfg)
|
|
{
|
|
struct mc_command cmd = { 0 };
|
|
struct dprc_cmd_get_irq *cmd_params;
|
|
struct dprc_rsp_get_irq *rsp_params;
|
|
int err;
|
|
|
|
/* prepare command */
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ,
|
|
cmd_flags,
|
|
token);
|
|
cmd_params = (struct dprc_cmd_get_irq *)cmd.params;
|
|
cmd_params->irq_index = irq_index;
|
|
|
|
/* send command to mc*/
|
|
err = mc_send_command(mc_io, &cmd);
|
|
if (err)
|
|
return err;
|
|
|
|
/* retrieve response parameters */
|
|
rsp_params = (struct dprc_rsp_get_irq *)cmd.params;
|
|
irq_cfg->val = le32_to_cpu(rsp_params->irq_val);
|
|
irq_cfg->paddr = le64_to_cpu(rsp_params->irq_addr);
|
|
irq_cfg->irq_num = le32_to_cpu(rsp_params->irq_num);
|
|
*type = le32_to_cpu(rsp_params->type);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* dprc_set_irq() - Set IRQ information for the DPRC to trigger an interrupt.
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @token: Token of DPRC object
|
|
* @irq_index: Identifies the interrupt index to configure
|
|
* @irq_cfg: IRQ configuration
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dprc_set_irq(struct fsl_mc_io *mc_io,
|
|
u32 cmd_flags,
|
|
u16 token,
|
|
u8 irq_index,
|
|
struct dprc_irq_cfg *irq_cfg)
|
|
{
|
|
struct mc_command cmd = { 0 };
|
|
struct dprc_cmd_set_irq *cmd_params;
|
|
|
|
/* prepare command */
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_IRQ,
|
|
cmd_flags,
|
|
token);
|
|
cmd_params = (struct dprc_cmd_set_irq *)cmd.params;
|
|
cmd_params->irq_val = cpu_to_le32(irq_cfg->val);
|
|
cmd_params->irq_index = irq_index;
|
|
cmd_params->irq_addr = cpu_to_le64(irq_cfg->paddr);
|
|
cmd_params->irq_num = cpu_to_le32(irq_cfg->irq_num);
|
|
|
|
/* send command to mc*/
|
|
return mc_send_command(mc_io, &cmd);
|
|
}
|
|
|
|
/**
|
|
* dprc_get_irq_enable() - Get overall interrupt 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 DPRC object
|
|
* @irq_index: The interrupt index to configure
|
|
* @en: Returned interrupt state - enable = 1, disable = 0
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dprc_get_irq_enable(struct fsl_mc_io *mc_io,
|
|
u32 cmd_flags,
|
|
u16 token,
|
|
u8 irq_index,
|
|
u8 *en)
|
|
{
|
|
struct mc_command cmd = { 0 };
|
|
struct dprc_cmd_get_irq_enable *cmd_params;
|
|
struct dprc_rsp_get_irq_enable *rsp_params;
|
|
int err;
|
|
|
|
/* prepare command */
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ_ENABLE,
|
|
cmd_flags, token);
|
|
cmd_params = (struct dprc_cmd_get_irq_enable *)cmd.params;
|
|
cmd_params->irq_index = irq_index;
|
|
|
|
/* send command to mc*/
|
|
err = mc_send_command(mc_io, &cmd);
|
|
if (err)
|
|
return err;
|
|
|
|
/* retrieve response parameters */
|
|
rsp_params = (struct dprc_rsp_get_irq_enable *)cmd.params;
|
|
*en = rsp_params->enabled & DPRC_ENABLE;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* dprc_set_irq_enable() - Set overall interrupt 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 DPRC object
|
|
* @irq_index: The interrupt index to configure
|
|
* @en: Interrupt state - enable = 1, disable = 0
|
|
*
|
|
* Allows GPP software to control when interrupts are generated.
|
|
* Each interrupt can have up to 32 causes. The enable/disable control's the
|
|
* overall interrupt state. if the interrupt is disabled no causes will cause
|
|
* an interrupt.
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dprc_set_irq_enable(struct fsl_mc_io *mc_io,
|
|
u32 cmd_flags,
|
|
u16 token,
|
|
u8 irq_index,
|
|
u8 en)
|
|
{
|
|
struct mc_command cmd = { 0 };
|
|
struct dprc_cmd_set_irq_enable *cmd_params;
|
|
|
|
/* prepare command */
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_IRQ_ENABLE,
|
|
cmd_flags, token);
|
|
cmd_params = (struct dprc_cmd_set_irq_enable *)cmd.params;
|
|
cmd_params->enable = en & DPRC_ENABLE;
|
|
cmd_params->irq_index = irq_index;
|
|
|
|
/* send command to mc*/
|
|
return mc_send_command(mc_io, &cmd);
|
|
}
|
|
|
|
/**
|
|
* dprc_get_irq_mask() - Get interrupt mask.
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @token: Token of DPRC object
|
|
* @irq_index: The interrupt index to configure
|
|
* @mask: Returned event mask to trigger interrupt
|
|
*
|
|
* Every interrupt can have up to 32 causes and the interrupt model supports
|
|
* masking/unmasking each cause independently
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dprc_get_irq_mask(struct fsl_mc_io *mc_io,
|
|
u32 cmd_flags,
|
|
u16 token,
|
|
u8 irq_index,
|
|
u32 *mask)
|
|
{
|
|
struct mc_command cmd = { 0 };
|
|
struct dprc_cmd_get_irq_mask *cmd_params;
|
|
struct dprc_rsp_get_irq_mask *rsp_params;
|
|
int err;
|
|
|
|
/* prepare command */
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ_MASK,
|
|
cmd_flags, token);
|
|
cmd_params = (struct dprc_cmd_get_irq_mask *)cmd.params;
|
|
cmd_params->irq_index = irq_index;
|
|
|
|
/* send command to mc*/
|
|
err = mc_send_command(mc_io, &cmd);
|
|
if (err)
|
|
return err;
|
|
|
|
/* retrieve response parameters */
|
|
rsp_params = (struct dprc_rsp_get_irq_mask *)cmd.params;
|
|
*mask = le32_to_cpu(rsp_params->mask);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* dprc_set_irq_mask() - Set interrupt mask.
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @token: Token of DPRC object
|
|
* @irq_index: The interrupt index to configure
|
|
* @mask: event mask to trigger interrupt;
|
|
* each bit:
|
|
* 0 = ignore event
|
|
* 1 = consider event for asserting irq
|
|
*
|
|
* Every interrupt can have up to 32 causes and the interrupt model supports
|
|
* masking/unmasking each cause independently
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dprc_set_irq_mask(struct fsl_mc_io *mc_io,
|
|
u32 cmd_flags,
|
|
u16 token,
|
|
u8 irq_index,
|
|
u32 mask)
|
|
{
|
|
struct mc_command cmd = { 0 };
|
|
struct dprc_cmd_set_irq_mask *cmd_params;
|
|
|
|
/* prepare command */
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_IRQ_MASK,
|
|
cmd_flags, token);
|
|
cmd_params = (struct dprc_cmd_set_irq_mask *)cmd.params;
|
|
cmd_params->mask = cpu_to_le32(mask);
|
|
cmd_params->irq_index = irq_index;
|
|
|
|
/* send command to mc*/
|
|
return mc_send_command(mc_io, &cmd);
|
|
}
|
|
|
|
/**
|
|
* dprc_get_irq_status() - Get the current status of any pending interrupts.
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @token: Token of DPRC object
|
|
* @irq_index: The interrupt index to configure
|
|
* @status: Returned interrupts status - one bit per cause:
|
|
* 0 = no interrupt pending
|
|
* 1 = interrupt pending
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dprc_get_irq_status(struct fsl_mc_io *mc_io,
|
|
u32 cmd_flags,
|
|
u16 token,
|
|
u8 irq_index,
|
|
u32 *status)
|
|
{
|
|
struct mc_command cmd = { 0 };
|
|
struct dprc_cmd_get_irq_status *cmd_params;
|
|
struct dprc_rsp_get_irq_status *rsp_params;
|
|
int err;
|
|
|
|
/* prepare command */
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ_STATUS,
|
|
cmd_flags, token);
|
|
cmd_params = (struct dprc_cmd_get_irq_status *)cmd.params;
|
|
cmd_params->status = cpu_to_le32(*status);
|
|
cmd_params->irq_index = irq_index;
|
|
|
|
/* send command to mc*/
|
|
err = mc_send_command(mc_io, &cmd);
|
|
if (err)
|
|
return err;
|
|
|
|
/* retrieve response parameters */
|
|
rsp_params = (struct dprc_rsp_get_irq_status *)cmd.params;
|
|
*status = le32_to_cpu(rsp_params->status);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* dprc_clear_irq_status() - Clear a pending interrupt's status
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @token: Token of DPRC object
|
|
* @irq_index: The interrupt index to configure
|
|
* @status: bits to clear (W1C) - one bit per cause:
|
|
* 0 = don't change
|
|
* 1 = clear status bit
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dprc_clear_irq_status(struct fsl_mc_io *mc_io,
|
|
u32 cmd_flags,
|
|
u16 token,
|
|
u8 irq_index,
|
|
u32 status)
|
|
{
|
|
struct mc_command cmd = { 0 };
|
|
struct dprc_cmd_clear_irq_status *cmd_params;
|
|
|
|
/* prepare command */
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_CLEAR_IRQ_STATUS,
|
|
cmd_flags, token);
|
|
cmd_params = (struct dprc_cmd_clear_irq_status *)cmd.params;
|
|
cmd_params->status = cpu_to_le32(status);
|
|
cmd_params->irq_index = irq_index;
|
|
|
|
/* send command to mc*/
|
|
return mc_send_command(mc_io, &cmd);
|
|
}
|
|
|
|
/**
|
|
* dprc_get_attributes() - Obtains container 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 DPRC object
|
|
* @attributes Returned container attributes
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dprc_get_attributes(struct fsl_mc_io *mc_io,
|
|
u32 cmd_flags,
|
|
u16 token,
|
|
struct dprc_attributes *attr)
|
|
{
|
|
struct mc_command cmd = { 0 };
|
|
struct dprc_rsp_get_attributes *rsp_params;
|
|
int err;
|
|
|
|
/* prepare command */
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_ATTR,
|
|
cmd_flags,
|
|
token);
|
|
|
|
/* send command to mc*/
|
|
err = mc_send_command(mc_io, &cmd);
|
|
if (err)
|
|
return err;
|
|
|
|
/* retrieve response parameters */
|
|
rsp_params = (struct dprc_rsp_get_attributes *)cmd.params;
|
|
attr->container_id = le32_to_cpu(rsp_params->container_id);
|
|
attr->icid = le16_to_cpu(rsp_params->icid);
|
|
attr->options = le32_to_cpu(rsp_params->options);
|
|
attr->portal_id = le32_to_cpu(rsp_params->portal_id);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* dprc_get_obj_count() - Obtains the number of objects in the DPRC
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @token: Token of DPRC object
|
|
* @obj_count: Number of objects assigned to the DPRC
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dprc_get_obj_count(struct fsl_mc_io *mc_io,
|
|
u32 cmd_flags,
|
|
u16 token,
|
|
int *obj_count)
|
|
{
|
|
struct mc_command cmd = { 0 };
|
|
struct dprc_rsp_get_obj_count *rsp_params;
|
|
int err;
|
|
|
|
/* prepare command */
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_COUNT,
|
|
cmd_flags, token);
|
|
|
|
/* send command to mc*/
|
|
err = mc_send_command(mc_io, &cmd);
|
|
if (err)
|
|
return err;
|
|
|
|
/* retrieve response parameters */
|
|
rsp_params = (struct dprc_rsp_get_obj_count *)cmd.params;
|
|
*obj_count = le32_to_cpu(rsp_params->obj_count);
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(dprc_get_obj_count);
|
|
|
|
/**
|
|
* dprc_get_obj() - Get general information on an 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 DPRC object
|
|
* @obj_index: Index of the object to be queried (< obj_count)
|
|
* @obj_desc: Returns the requested object descriptor
|
|
*
|
|
* The object descriptors are retrieved one by one by incrementing
|
|
* obj_index up to (not including) the value of obj_count returned
|
|
* from dprc_get_obj_count(). dprc_get_obj_count() must
|
|
* be called prior to dprc_get_obj().
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dprc_get_obj(struct fsl_mc_io *mc_io,
|
|
u32 cmd_flags,
|
|
u16 token,
|
|
int obj_index,
|
|
struct fsl_mc_obj_desc *obj_desc)
|
|
{
|
|
struct mc_command cmd = { 0 };
|
|
struct dprc_cmd_get_obj *cmd_params;
|
|
struct dprc_rsp_get_obj *rsp_params;
|
|
int err;
|
|
|
|
/* prepare command */
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ,
|
|
cmd_flags,
|
|
token);
|
|
cmd_params = (struct dprc_cmd_get_obj *)cmd.params;
|
|
cmd_params->obj_index = cpu_to_le32(obj_index);
|
|
|
|
/* send command to mc*/
|
|
err = mc_send_command(mc_io, &cmd);
|
|
if (err)
|
|
return err;
|
|
|
|
/* retrieve response parameters */
|
|
rsp_params = (struct dprc_rsp_get_obj *)cmd.params;
|
|
obj_desc->id = le32_to_cpu(rsp_params->id);
|
|
obj_desc->vendor = le16_to_cpu(rsp_params->vendor);
|
|
obj_desc->irq_count = rsp_params->irq_count;
|
|
obj_desc->region_count = rsp_params->region_count;
|
|
obj_desc->state = le32_to_cpu(rsp_params->state);
|
|
obj_desc->ver_major = le16_to_cpu(rsp_params->version_major);
|
|
obj_desc->ver_minor = le16_to_cpu(rsp_params->version_minor);
|
|
obj_desc->flags = le16_to_cpu(rsp_params->flags);
|
|
strncpy(obj_desc->type, rsp_params->type, 16);
|
|
obj_desc->type[15] = '\0';
|
|
strncpy(obj_desc->label, rsp_params->label, 16);
|
|
obj_desc->label[15] = '\0';
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(dprc_get_obj);
|
|
|
|
/**
|
|
* dprc_set_obj_irq() - Set IRQ information for object to trigger an interrupt.
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @token: Token of DPRC object
|
|
* @obj_type: Type of the object to set its IRQ
|
|
* @obj_id: ID of the object to set its IRQ
|
|
* @irq_index: The interrupt index to configure
|
|
* @irq_cfg: IRQ configuration
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dprc_set_obj_irq(struct fsl_mc_io *mc_io,
|
|
u32 cmd_flags,
|
|
u16 token,
|
|
char *obj_type,
|
|
int obj_id,
|
|
u8 irq_index,
|
|
struct dprc_irq_cfg *irq_cfg)
|
|
{
|
|
struct mc_command cmd = { 0 };
|
|
struct dprc_cmd_set_obj_irq *cmd_params;
|
|
|
|
/* prepare command */
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_OBJ_IRQ,
|
|
cmd_flags,
|
|
token);
|
|
cmd_params = (struct dprc_cmd_set_obj_irq *)cmd.params;
|
|
cmd_params->irq_val = cpu_to_le32(irq_cfg->val);
|
|
cmd_params->irq_index = irq_index;
|
|
cmd_params->irq_addr = cpu_to_le64(irq_cfg->paddr);
|
|
cmd_params->irq_num = cpu_to_le32(irq_cfg->irq_num);
|
|
cmd_params->obj_id = cpu_to_le32(obj_id);
|
|
strncpy(cmd_params->obj_type, obj_type, 16);
|
|
cmd_params->obj_type[15] = '\0';
|
|
|
|
/* send command to mc*/
|
|
return mc_send_command(mc_io, &cmd);
|
|
}
|
|
EXPORT_SYMBOL(dprc_set_obj_irq);
|
|
|
|
/**
|
|
* dprc_get_obj_irq() - Get IRQ information from 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 DPRC object
|
|
* @obj_type: Type od the object to get its IRQ
|
|
* @obj_id: ID of the object to get its IRQ
|
|
* @irq_index: The interrupt index to configure
|
|
* @type: Interrupt type: 0 represents message interrupt
|
|
* type (both irq_addr and irq_val are valid)
|
|
* @irq_cfg: The returned IRQ attributes
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dprc_get_obj_irq(struct fsl_mc_io *mc_io,
|
|
u32 cmd_flags,
|
|
u16 token,
|
|
char *obj_type,
|
|
int obj_id,
|
|
u8 irq_index,
|
|
int *type,
|
|
struct dprc_irq_cfg *irq_cfg)
|
|
{
|
|
struct mc_command cmd = { 0 };
|
|
struct dprc_cmd_get_obj_irq *cmd_params;
|
|
struct dprc_rsp_get_obj_irq *rsp_params;
|
|
int err;
|
|
|
|
/* prepare command */
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_IRQ,
|
|
cmd_flags,
|
|
token);
|
|
cmd_params = (struct dprc_cmd_get_obj_irq *)cmd.params;
|
|
cmd_params->obj_id = cpu_to_le32(obj_id);
|
|
cmd_params->irq_index = irq_index;
|
|
strncpy(cmd_params->obj_type, obj_type, 16);
|
|
cmd_params->obj_type[15] = '\0';
|
|
|
|
/* send command to mc*/
|
|
err = mc_send_command(mc_io, &cmd);
|
|
if (err)
|
|
return err;
|
|
|
|
/* retrieve response parameters */
|
|
rsp_params = (struct dprc_rsp_get_obj_irq *)cmd.params;
|
|
irq_cfg->val = le32_to_cpu(rsp_params->irq_val);
|
|
irq_cfg->paddr = le64_to_cpu(rsp_params->irq_addr);
|
|
irq_cfg->irq_num = le32_to_cpu(rsp_params->irq_num);
|
|
*type = le32_to_cpu(rsp_params->type);
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(dprc_get_obj_irq);
|
|
|
|
/**
|
|
* dprc_get_res_count() - Obtains the number of free resources that are assigned
|
|
* to this container, by pool type
|
|
* @mc_io: Pointer to MC portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @token: Token of DPRC object
|
|
* @type: pool type
|
|
* @res_count: Returned number of free resources of the given
|
|
* resource type that are assigned to this DPRC
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dprc_get_res_count(struct fsl_mc_io *mc_io,
|
|
u32 cmd_flags,
|
|
u16 token,
|
|
char *type,
|
|
int *res_count)
|
|
{
|
|
struct mc_command cmd = { 0 };
|
|
struct dprc_cmd_get_res_count *cmd_params;
|
|
struct dprc_rsp_get_res_count *rsp_params;
|
|
int err;
|
|
|
|
/* prepare command */
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_RES_COUNT,
|
|
cmd_flags, token);
|
|
cmd_params = (struct dprc_cmd_get_res_count *)cmd.params;
|
|
strncpy(cmd_params->type, type, 16);
|
|
cmd_params->type[15] = '\0';
|
|
|
|
/* send command to mc*/
|
|
err = mc_send_command(mc_io, &cmd);
|
|
if (err)
|
|
return err;
|
|
|
|
/* retrieve response parameters */
|
|
rsp_params = (struct dprc_rsp_get_res_count *)cmd.params;
|
|
*res_count = le32_to_cpu(rsp_params->res_count);
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(dprc_get_res_count);
|
|
|
|
/**
|
|
* dprc_get_obj_region() - Get region information for a specified 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 DPRC object
|
|
* @obj_type; Object type as returned in dprc_get_obj()
|
|
* @obj_id: Unique object instance as returned in dprc_get_obj()
|
|
* @region_index: The specific region to query
|
|
* @region_desc: Returns the requested region descriptor
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dprc_get_obj_region(struct fsl_mc_io *mc_io,
|
|
u32 cmd_flags,
|
|
u16 token,
|
|
char *obj_type,
|
|
int obj_id,
|
|
u8 region_index,
|
|
struct dprc_region_desc *region_desc)
|
|
{
|
|
struct mc_command cmd = { 0 };
|
|
struct dprc_cmd_get_obj_region *cmd_params;
|
|
struct dprc_rsp_get_obj_region *rsp_params;
|
|
int err;
|
|
|
|
/* prepare command */
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_REG,
|
|
cmd_flags, token);
|
|
cmd_params = (struct dprc_cmd_get_obj_region *)cmd.params;
|
|
cmd_params->obj_id = cpu_to_le32(obj_id);
|
|
cmd_params->region_index = region_index;
|
|
strncpy(cmd_params->obj_type, obj_type, 16);
|
|
cmd_params->obj_type[15] = '\0';
|
|
|
|
/* send command to mc*/
|
|
err = mc_send_command(mc_io, &cmd);
|
|
if (err)
|
|
return err;
|
|
|
|
/* retrieve response parameters */
|
|
rsp_params = (struct dprc_rsp_get_obj_region *)cmd.params;
|
|
region_desc->base_offset = le64_to_cpu(rsp_params->base_addr);
|
|
region_desc->size = le32_to_cpu(rsp_params->size);
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(dprc_get_obj_region);
|
|
|
|
/**
|
|
* dprc_get_api_version - Get Data Path Resource Container API version
|
|
* @mc_io: Pointer to Mc portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @major_ver: Major version of Data Path Resource Container API
|
|
* @minor_ver: Minor version of Data Path Resource Container API
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dprc_get_api_version(struct fsl_mc_io *mc_io,
|
|
u32 cmd_flags,
|
|
u16 *major_ver,
|
|
u16 *minor_ver)
|
|
{
|
|
struct mc_command cmd = { 0 };
|
|
int err;
|
|
|
|
/* prepare command */
|
|
cmd.header = mc_encode_cmd_header(DPRC_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 */
|
|
mc_cmd_read_api_version(&cmd, major_ver, minor_ver);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* dprc_get_container_id - Get container ID associated with a given portal.
|
|
* @mc_io: Pointer to Mc portal's I/O object
|
|
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
|
|
* @container_id: Requested container id
|
|
*
|
|
* Return: '0' on Success; Error code otherwise.
|
|
*/
|
|
int dprc_get_container_id(struct fsl_mc_io *mc_io,
|
|
u32 cmd_flags,
|
|
int *container_id)
|
|
{
|
|
struct mc_command cmd = { 0 };
|
|
int err;
|
|
|
|
/* prepare command */
|
|
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_CONT_ID,
|
|
cmd_flags,
|
|
0);
|
|
|
|
/* send command to mc*/
|
|
err = mc_send_command(mc_io, &cmd);
|
|
if (err)
|
|
return err;
|
|
|
|
/* retrieve response parameters */
|
|
*container_id = (int)mc_cmd_read_object_id(&cmd);
|
|
|
|
return 0;
|
|
}
|