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chore: remove redundant driver and hw config code.

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This commit is contained in:
Gatsby Van
2024-12-16 20:39:10 +08:00
parent df9878ed51
commit 902297e726
28 changed files with 4 additions and 20469 deletions
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src/drivers/platform/xilinx_gpio.c
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@@ -1,464 +0,0 @@
/***************************************************************************//**
* @file xilinx/xilinx_gpio.c
* @brief Implementation of Xilinx GPIO Generic Driver.
* @author Antoniu Miclaus ([email protected])
********************************************************************************
* Copyright 2019(c) Analog Devices, Inc.
*
* All rights reserved.
*
* 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 Analog Devices, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* - The use of this software may or may not infringe the patent rights
* of one or more patent holders. This license does not release you
* from the requirement that you obtain separate licenses from these
* patent holders to use this software.
* - Use of the software either in source or binary form, must be run
* on or directly connected to an Analog Devices Inc. component.
*
* THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, 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 Files **********************************/
/******************************************************************************/
#include <stdlib.h>
#include <xparameters.h>
#ifdef XPAR_XGPIO_NUM_INSTANCES
#include <xgpio.h>
#endif
#ifdef XPAR_XGPIOPS_NUM_INSTANCES
#include <xgpiops.h>
#endif
#include "error.h"
#include "gpio.h"
#include "xilinx_gpio.h"
/******************************************************************************/
/************************ Functions Definitions *******************************/
/******************************************************************************/
/**
* @brief Prepare the GPIO decriptor.
* @param desc - The GPIO descriptor.
* @param param - The structure that contains the GPIO parameters.
* @return 0 in case of success, -1 otherwise.
*/
int32_t _gpio_init(struct gpio_desc *desc,
const struct gpio_init_param *param)
{
int32_t ret;
struct xil_gpio_desc *xdesc;
struct xil_gpio_init_param *xinit;
ret = -1;
xdesc = desc->extra;
xinit = param->extra;
xdesc->type = xinit->type;
desc->number = param->number;
switch (xinit->type) {
case GPIO_PL:
#ifdef XGPIO_H
xdesc->instance = (XGpio *)malloc(sizeof(XGpio));
if(!xdesc->instance)
goto pl_error;
xdesc->config = XGpio_LookupConfig(xinit->device_id);
if(xdesc->config == NULL)
goto pl_error;
ret = XGpio_CfgInitialize(xdesc->instance,
xdesc->config,
((XGpio_Config*)xdesc->config)
->BaseAddress);
if(ret < 0)
goto pl_error;
break;
pl_error:
free(xdesc->instance);
#endif
goto error;
case GPIO_PS:
#ifdef XGPIOPS_H
xdesc->instance = (XGpioPs *)malloc(sizeof(XGpioPs));
if(!xdesc->instance)
goto ps_error;
xdesc->config = XGpioPs_LookupConfig(xinit->device_id);
if(xdesc->config == NULL)
goto ps_error;
ret = XGpioPs_CfgInitialize(xdesc->instance,
xdesc->config,
((XGpioPs_Config*)xdesc->config)->BaseAddr);
if(ret < 0)
goto ps_error;
break;
ps_error:
free(xdesc->instance);
#endif
goto error;
error:
default:
return -1;
}
return 0;
}
/**
* @brief Obtain the GPIO decriptor.
* @param desc - The GPIO descriptor.
* @param param - GPIO initialization parameters
* @return 0 in case of success, -1 otherwise.
*/
int32_t xil_gpio_get(struct gpio_desc **desc,
const struct gpio_init_param *param)
{
struct gpio_desc *descriptor;
struct xil_gpio_desc *extra;
int32_t ret;
descriptor = (struct gpio_desc *)malloc(sizeof(*descriptor));
extra = (struct xil_gpio_desc*)malloc(sizeof(*extra));
if (!descriptor || !extra)
return -1;
descriptor->extra = extra;
ret = _gpio_init(descriptor, param);
if(ret != 0)
goto error;
*desc = descriptor;
return 0;
error:
free(extra);
free(descriptor);
return -1;
}
/**
* @brief Get the value of an optional GPIO.
* @param desc - The GPIO descriptor.
* @param param - GPIO Initialization parameters.
* @return 0 in case of success, -1 otherwise.
*/
int32_t xil_gpio_get_optional(struct gpio_desc **desc,
const struct gpio_init_param *param)
{
if(param == NULL) {
*desc = NULL;
return 0;
}
return xil_gpio_get(desc, param);
}
/**
* @brief Free the resources allocated by gpio_get().
* @param desc - The GPIO descriptor.
* @return 0 in case of success, -1 otherwise.
*/
int32_t xil_gpio_remove(struct gpio_desc *desc)
{
if (desc != NULL) {
free(((struct xil_gpio_desc *)(desc->extra))->instance);
free(desc->extra);
free(desc);
}
return 0;
}
/**
* @brief Enable the input direction of the specified GPIO.
* @param desc - The GPIO descriptor.
* @return 0 in case of success, -1 otherwise.
*/
int32_t xil_gpio_direction_input(struct gpio_desc *desc)
{
struct xil_gpio_desc *extra;
#ifdef XGPIO_H
uint8_t pin = desc->number;
uint32_t channel = 1;
uint32_t config = 0;
#endif
extra = desc->extra;
switch (extra->type) {
case GPIO_PL:
#ifdef XGPIO_H
/* We assume that pin 32 is the first pin from channel 2 */
if (pin >= 32) {
channel = 2;
pin -= 32;
}
config = XGpio_GetDataDirection((XGpio *)extra->instance,
channel);
config |= (1 << pin);
XGpio_SetDataDirection((XGpio *)extra->instance,
channel,
config);
#endif
break;
case GPIO_PS:
#ifdef XGPIOPS_H
XGpioPs_SetDirectionPin(extra->instance,
desc->number,
GPIO_IN);
#endif
break;
default:
return -1;
}
return 0;
}
/**
* @brief Enable the output direction of the specified GPIO.
* @param desc - The GPIO descriptor.
* @param value - The value.
* Example: GPIO_HIGH
* GPIO_LOW
* @return 0 in case of success, -1 otherwise.
*/
int32_t xil_gpio_direction_output(struct gpio_desc *desc,
uint8_t value)
{
struct xil_gpio_desc *extra;
#ifdef XGPIO_H
uint8_t pin = desc->number;
uint8_t channel;
uint32_t reg_val;
#endif
extra = desc->extra;
switch (extra->type) {
case GPIO_PL:
#ifdef XGPIO_H
if (pin >= 32) {
channel = 2;
pin -= 32;
} else
channel = 1;
reg_val = XGpio_GetDataDirection(extra->instance,
channel);
reg_val &= ~(1 << pin);
XGpio_SetDataDirection(extra->instance,
channel,
reg_val);
reg_val = XGpio_DiscreteRead(extra->instance,
channel);
if(value)
reg_val |= (1 << pin);
else
reg_val &= ~(1 << pin);
XGpio_DiscreteWrite(extra->instance,
channel,
reg_val);
#endif
break;
case GPIO_PS:
#ifdef XGPIOPS_H
XGpioPs_SetDirectionPin(extra->instance,
desc->number,
GPIO_OUT);
XGpioPs_SetOutputEnablePin(extra->instance,
desc->number,
GPIO_OUT);
XGpioPs_WritePin(extra->instance,
desc->number,
value);
#endif
break;
default:
return -1;
}
return 0;
}
/**
* @brief Get the direction of the specified GPIO.
* @param desc - The GPIO descriptor.
* @param direction - The direction.
* Example: GPIO_OUT
* GPIO_IN
* @return 0 in case of success, -1 otherwise.
*/
int32_t xil_gpio_get_direction(struct gpio_desc *desc,
uint8_t *direction)
{
if (!desc)
return -1;
struct xil_gpio_desc *extra;
uint8_t pin = desc->number;
#ifdef XGPIO_H
uint8_t channel;
#endif
extra = desc->extra;
switch (extra->type) {
case GPIO_PL:
#ifdef XGPIO_H
if (pin >= 32) {
channel = 2;
pin -= 32;
} else
channel = 1;
*direction = ((XGpio_GetDataDirection(extra->instance,
channel) >> pin) & 0x1) ^ 0x1;
#endif
break;
case GPIO_PS:
#ifdef XGPIOPS_H
*direction = XGpioPs_GetDirectionPin(extra->instance, pin);
#endif
break;
default:
return -1;
}
return 0;
}
/**
* @brief Set the value of the specified GPIO.
* @param desc - The GPIO descriptor.
* @param value - The value.
* Example: GPIO_HIGH
* GPIO_LOW
* @return 0 in case of success, -1 otherwise.
*/
int32_t xil_gpio_set_value(struct gpio_desc *desc,
uint8_t value)
{
struct xil_gpio_desc *extra;
#ifdef XGPIO_H
uint8_t pin = desc->number;
uint8_t channel;
uint32_t reg_val;
#endif
extra = desc->extra;
switch (extra->type) {
case GPIO_PL:
#ifdef XGPIO_H
if (pin >= 32) {
channel = 2;
pin -= 32;
} else
channel = 1;
reg_val = XGpio_DiscreteRead(extra->instance, channel);
if(value)
reg_val |= (1 << pin);
else
reg_val &= ~(1 << pin);
XGpio_DiscreteWrite(extra->instance, channel, reg_val);
#endif
break;
case GPIO_PS:
#ifdef XGPIOPS_H
XGpioPs_WritePin(extra->instance, desc->number, value);
#endif
break;
default:
return -1;
}
return 0;
}
/**
* @brief Get the value of the specified GPIO.
* @param desc - The GPIO descriptor.
* @param value - The value.
* Example: GPIO_HIGH
* GPIO_LOW
* @return 0 in case of success, -1 otherwise.
*/
int32_t xil_gpio_get_value(struct gpio_desc *desc,
uint8_t *value)
{
if (!desc)
return -1;
struct xil_gpio_desc *extra;
uint8_t pin = desc->number;
#ifdef XGPIO_H
uint8_t channel;
#endif
extra = desc->extra;
switch (extra->type) {
case GPIO_PL:
#ifdef XGPIO_H
if (pin >= 32) {
channel = 2;
pin -= 32;
} else
channel = 1;
*value = (XGpio_DiscreteRead(extra->instance, channel) >> pin) & 0x01;
#endif
break;
case GPIO_PS:
#ifdef XGPIOPS_H
*value = XGpioPs_ReadPin(extra->instance, pin);
#endif
break;
default:
return -1;
}
return 0;
}
/**
* @brief Xilinx platform specific GPIO platform ops structure
*/
const struct gpio_platform_ops xil_gpio_ops = {
.gpio_ops_get = &xil_gpio_get,
.gpio_ops_get_optional = &xil_gpio_get_optional,
.gpio_ops_remove = &xil_gpio_remove,
.gpio_ops_direction_input = &xil_gpio_direction_input,
.gpio_ops_direction_output = &xil_gpio_direction_output,
.gpio_ops_get_direction = &xil_gpio_get_direction,
.gpio_ops_set_value = &xil_gpio_set_value,
.gpio_ops_get_value = &xil_gpio_get_value,
};
src/drivers/platform/xilinx_gpio.h
-95
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@@ -1,95 +0,0 @@
/*******************************************************************************
* @file xilinx/xilinx_gpio.h
* @brief Header containing extra types used in the gpio driver
* @author scuciurean ([email protected])
********************************************************************************
* Copyright 2019(c) Analog Devices, Inc.
*
* All rights reserved.
*
* 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 Analog Devices, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* - The use of this software may or may not infringe the patent rights
* of one or more patent holders. This license does not release you
* from the requirement that you obtain separate licenses from these
* patent holders to use this software.
* - Use of the software either in source or binary form, must be run
* on or directly connected to an Analog Devices Inc. component.
*
* THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, 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.
*******************************************************************************/
#ifndef XILINX_GPIO_H_
#define XILINX_GPIO_H_
/******************************************************************************/
/***************************** Include Files **********************************/
/******************************************************************************/
#include <stdint.h>
#include <stdbool.h>
/******************************************************************************/
/*************************** Types Declarations *******************************/
/******************************************************************************/
/**
* @enum xil_gpio_type
* @brief Xilinx platform architecture sections
*/
enum xil_gpio_type {
/** Programmable Logic */
GPIO_PL,
/** Processing System */
GPIO_PS
};
/**
* @struct xil_gpio_init_param
* @brief Structure holding the initialization parameters for Xilinx platform
* specific GPIO parameters.
*/
struct xil_gpio_init_param {
/** Xilinx architecture */
enum xil_gpio_type type;
/** Device ID */
uint32_t device_id;
};
/**
* @struct xil_gpio_desc
* @brief Xilinx platform specific GPIO descriptor
*/
struct xil_gpio_desc {
/** Xilinx architecture */
enum xil_gpio_type type;
/** Xilinx GPIO configuration */
void *config;
/** Xilinx GPIO Instance */
void *instance;
};
/**
* @brief Xilinx platform specific gpio platform ops structure
*/
extern const struct gpio_platform_ops xil_gpio_ops;
#endif
src/drivers/platform/xilinx_gpio_irq.c
-360
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@@ -1,360 +0,0 @@
/***************************************************************************//**
* @file xilinx/xilinx_gpio_irq.c
* @brief Implementation of Xilinx GPIO IRQ Generic Driver.
* @author Porumb Andrei ([email protected])
********************************************************************************
* Copyright 2021(c) Analog Devices, Inc.
*
* All rights reserved.
*
* 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 Analog Devices, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* - The use of this software may or may not infringe the patent rights
* of one or more patent holders. This license does not release you
* from the requirement that you obtain separate licenses from these
* patent holders to use this software.
* - Use of the software either in source or binary form, must be run
* on or directly connected to an Analog Devices Inc. component.
*
* THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, 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 Files **********************************/
/******************************************************************************/
#include <stdlib.h>
#include "xparameters.h"
#include "error.h"
#include "xilinx_gpio_irq.h"
#include "util.h"
#include "list.h"
#include "irq.h"
/******************************************************************************/
/************************ Functions Definitions *******************************/
/******************************************************************************/
/**
* @brief Comparing function used by list.
* @param desc_a - Compared item
* @param desc_b - Reference item
* @return - 0 if items match
*/
static int32_t call_cmp(struct xil_callback_desc *desc_a,
struct xil_callback_desc *desc_b)
{
return desc_a->pin_nb - desc_b->pin_nb;
}
/**
* @brief Function called when GPIO IRQ occurs.
* @param param - GPIO IRQ desc's extra field
* @return - None.
*/
static void xil_gpio_irq_handler(struct xil_gpio_irq_desc *param)
{
int32_t status = 0;
int32_t pin_nb;
struct xil_callback_desc *callback_desc;
status = iterator_move_to_idx(param->it, 0);
while(!status) {
iterator_read(param->it, &callback_desc);
status = iterator_move(param->it, 1);
if(XGpioPs_IntrGetStatusPin(&param->my_Gpio, callback_desc->pin_nb))
callback_desc->triggered = true;
}
status = iterator_move_to_idx(param->it, 0);
while(!status) {
iterator_read(param->it, &callback_desc);
status = iterator_move(param->it, 1);
if(callback_desc->triggered == true) {
callback_desc->triggered = false;
XGpioPs_IntrDisablePin(&param->my_Gpio, callback_desc->pin_nb);
XGpioPs_IntrClearPin(&param->my_Gpio, callback_desc->pin_nb);
callback_desc->callback.legacy_callback(callback_desc->callback.ctx, 0U, NULL);
if(callback_desc->enabled)
XGpioPs_IntrEnablePin(&param->my_Gpio, callback_desc->pin_nb);
}
}
}
/**
* @brief Disable specific GPIO IRQ pin.
* @param desc - The GPIO IRQ controller descriptor.
* @param irq_id - Pin number.
* @return 0 in case of success, -1 otherwise.
*/
int32_t xil_gpio_irq_disable(struct irq_ctrl_desc *desc, uint32_t irq_id)
{
int32_t status;
struct xil_gpio_irq_desc *extra;
struct xil_callback_desc *callback_desc;
extra = desc->extra;
status = iterator_move_to_idx(extra->it, 0);
while(!status) {
iterator_read(extra->it, &callback_desc);
status = iterator_move(extra->it, 1);
if(callback_desc->pin_nb == irq_id) {
callback_desc->enabled = false;
break;
}
}
XGpioPs_IntrDisablePin(&extra->my_Gpio, irq_id);
return 0;
}
/**
* @brief Initialize the GPIO IRQ controller.
* @param desc - The GPIO IRQ controller descriptor.
* @param param - The GPIO IRQ controller initial parameters.
* irq_ctrl_id from irq_init_param is the interrupt id for the parent controller
* @return 0 in case of success, -1 otherwise.
*/
int32_t xil_gpio_irq_ctrl_init(struct irq_ctrl_desc **desc,
const struct irq_init_param *param)
{
int32_t i;
int32_t status;
struct irq_ctrl_desc *ldesc;
static XGpioPs_Config *GPIO_Config;
struct xil_gpio_irq_desc *xil_desc;
struct xil_gpio_irq_init_param *xil_ip;
struct callback_desc callback;
xil_desc = (struct xil_gpio_irq_desc *)calloc(1, sizeof(*xil_desc));
if(!xil_desc)
return -ENOMEM;
ldesc = (struct irq_ctrl_desc *)calloc(1, sizeof(*ldesc));
if(!ldesc) {
free(xil_desc);
return -ENOMEM;
}
xil_ip = param->extra;
GPIO_Config = XGpioPs_LookupConfig(xil_ip->gpio_device_id);
status = XGpioPs_CfgInitialize(&xil_desc->my_Gpio, GPIO_Config,
GPIO_Config->BaseAddr);
if(status)
goto error_desc;
ldesc->extra = xil_desc;
xil_desc->parent_desc = xil_ip->parent_desc;
status = list_init(&xil_desc->callback_list, LIST_DEFAULT,
call_cmp);
if(status)
goto error_list;
status = iterator_init(&xil_desc->it, xil_desc->callback_list, 0);
if(status) {
iterator_remove(xil_desc->it);
goto error_list;
}
ldesc->irq_ctrl_id = param->irq_ctrl_id;
status = irq_trigger_level_set(xil_desc->parent_desc, ldesc->irq_ctrl_id,
IRQ_EDGE_RISING);
if(status)
goto error_op;
status = irq_enable(xil_desc->parent_desc, ldesc->irq_ctrl_id);
if(status)
goto error_op;
callback.legacy_callback = &xil_gpio_irq_handler;
callback.ctx = ldesc->extra;
status = irq_register_callback(xil_desc->parent_desc, ldesc->irq_ctrl_id,
&callback);
if(status)
goto error_op;
*desc = ldesc;
return 0;
error_op:
iterator_remove(xil_desc->it);
error_list:
list_remove(xil_desc->callback_list);
error_desc:
free(xil_desc);
free(ldesc);
return status;
}
/**
* @brief Set GPIO interrupt trigger level.
* @param desc - The GPIO IRQ controller descriptor.
* @param irq_id - Pin number.
* @param trig - New trigger level for the GPIO interrupt.
* @return 0 in case of success, -1 otherwise.
*/
int32_t xil_gpio_irq_trigger_level_set(struct irq_ctrl_desc *desc,
uint32_t irq_id,
enum irq_trig_level trig)
{
static const int32_t trig_level[5] = {XGPIOPS_IRQ_TYPE_LEVEL_LOW,
XGPIOPS_IRQ_TYPE_LEVEL_HIGH,
XGPIOPS_IRQ_TYPE_EDGE_FALLING,
XGPIOPS_IRQ_TYPE_EDGE_RISING,
XGPIOPS_IRQ_TYPE_EDGE_BOTH
};
struct xil_gpio_irq_desc *extra;
extra = desc->extra;
XGpioPs_SetIntrTypePin(&extra->my_Gpio, irq_id, trig_level[trig]);
return 0;
}
/**
* @brief Register pin specific GPIO interrupt.
* @param desc - The GPIO IRQ controller descriptor.
* @param irq_id - Pin number.
* @param callback_desc - Callback.
* @return 0 in case of success, -1 otherwise.
*/
int32_t xil_gpio_irq_register_callback(struct irq_ctrl_desc *desc,
uint32_t irq_id,
struct callback_desc *callback_desc)
{
struct xil_callback_desc *dev_callback;
struct xil_gpio_irq_desc *extra;
dev_callback = (struct xil_callback_desc *)calloc(1,
sizeof(*dev_callback));
if(!dev_callback)
return -1;
dev_callback->pin_nb = irq_id;
dev_callback->callback.legacy_callback = callback_desc->legacy_callback;
dev_callback->callback.ctx = callback_desc->ctx;
dev_callback->triggered = false;
extra = desc->extra;
XGpioPs_SetDirectionPin(&extra->my_Gpio, irq_id, 0);
list_add_last(extra->callback_list, dev_callback);
return 0;
}
/**
* @brief Unregister pin specific GPIO interrupt.
* @param desc - The GPIO IRQ controller descriptor.
* @param irq_id - Pin number.
* @param cb - Callback descriptor.
* @return 0 in case of success, -1 otherwise.
*/
int32_t xil_gpio_irq_unregister_callback(struct irq_ctrl_desc *desc,
uint32_t irq_id, struct callback_desc *cb)
{
int32_t status;
struct xil_gpio_irq_desc *extra;
struct xil_callback_desc *dev_callback;
struct xil_callback_desc search_callback;
extra = desc->extra;
search_callback.pin_nb = irq_id;
status = list_get_find(extra->callback_list, &dev_callback,
&search_callback);
if(status)
return -ENXIO;
free(dev_callback);
return 0;
}
/**
* @brief Enable specific GPIO IRQ pin.
* @param desc - The GPIO IRQ controller descriptor.
* @param irq_id - Pin number.
* @return 0 in case of success, -1 otherwise.
*/
int32_t xil_gpio_irq_enable(struct irq_ctrl_desc *desc, uint32_t irq_id)
{
int32_t status;
struct xil_gpio_irq_desc *extra;
struct xil_callback_desc *callback_desc;
extra = desc->extra;
status = iterator_move_to_idx(extra->it, 0);
while(!status) {
iterator_read(extra->it, &callback_desc);
status = iterator_move(extra->it, 1);
if(callback_desc->pin_nb == irq_id) {
callback_desc->enabled = true;
XGpioPs_IntrClearPin(&extra->my_Gpio, irq_id);
break;
}
}
XGpioPs_IntrEnablePin(&extra->my_Gpio, irq_id);
return 0;
}
/**
* @brief Remove the GPIO IRQ controller.
* @param desc - The GPIO IRQ controller descriptor.
* @return 0 in case of success, -1 otherwise.
*/
int32_t xil_gpio_irq_ctrl_remove(struct irq_ctrl_desc *desc)
{
struct xil_gpio_irq_desc *extra;
struct xil_callback_desc *callback_desc;
if (!desc)
return -EINVAL;
extra = desc->extra;
while (0 == list_get_first(extra->callback_list, &callback_desc))
free(callback_desc);
iterator_remove(extra->it);
list_remove(extra->callback_list);
free(extra);
free(desc);
return 0;
}
/**
* @brief Xilinx platform specific GPIO IRQ platform ops structure
*/
const struct irq_platform_ops xil_gpio_irq_ops = {
.init = &xil_gpio_irq_ctrl_init,
.enable = &xil_gpio_irq_enable,
.disable = &xil_gpio_irq_disable,
.trigger_level_set = &xil_gpio_irq_trigger_level_set,
.register_callback = &xil_gpio_irq_register_callback,
.unregister_callback = xil_gpio_irq_unregister_callback,
.remove = &xil_gpio_irq_ctrl_remove
};
src/drivers/platform/xilinx_gpio_irq.h
-92
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@@ -1,92 +0,0 @@
/***************************************************************************//**
* @file xilinx_gpio_irq.h
* @brief Implementation of Xilinx GPIO IRQ Generic Driver.
* @author Porumb Andrei ([email protected])
********************************************************************************
* Copyright 2021(c) Analog Devices, Inc.
*
* All rights reserved.
*
* 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 Analog Devices, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* - The use of this software may or may not infringe the patent rights
* of one or more patent holders. This license does not release you
* from the requirement that you obtain separate licenses from these
* patent holders to use this software.
* - Use of the software either in source or binary form, must be run
* on or directly connected to an Analog Devices Inc. component.
*
* THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, 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.
*******************************************************************************/
#ifndef XILINX_GPIO_IRQ_H_
#define XILINX_GPIO_IRQ_H_
/******************************************************************************/
/***************************** Include Files **********************************/
/******************************************************************************/
#include "stdbool.h"
#include "list.h"
#include "xgpiops.h"
#include "irq.h"
/******************************************************************************/
/*************************** Types Declarations *******************************/
/******************************************************************************/
/**
* @struct xil_callback_desc
* @brief Structure holding callback parameters for each pin
*/
struct xil_callback_desc {
int32_t pin_nb;
struct callback_desc callback;
bool triggered;
bool enabled;
};
/**
* @struct xil_gpio_irq_init_param
* @brief Structure holding the initialization parameters for Xilinx platform
* specific GPIO IRQ parameters.
*/
struct xil_gpio_irq_init_param {
struct irq_ctrl_desc *parent_desc;
int32_t gpio_device_id;
};
/**
* @struct xil_gpio_irq_desc
* @brief Xilinx platform specific GPIO IRQ descriptor
*/
struct xil_gpio_irq_desc {
struct irq_ctrl_desc *parent_desc;
XGpioPs my_Gpio;
struct list_desc *callback_list;
struct iterator *it;
};
/**
* @brief Xilinx specific GPIO IRQ platform ops structure
*/
extern const struct irq_platform_ops xil_gpio_irq_ops;
#endif