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https://github.com/zephyrproject-rtos/zephyr
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fea1c49ba2
Many sub-systems might require to set a callback on different pins. Thus enabling it via changing the API. It is also possible to retrieve private-data in the callback handler using CONTAINER_OF() macro (include/misc/util.h). Former API is still available, and is emulated through the new one. Using both should not be a problem as it's using new API calls. However, it's now better to start using the new API. Change-Id: Id16594202905976cc524775d1cd3592b54a84514 Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
/*
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* Copyright (c) 2016, Wind River Systems, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @file Header file for the Freescale K64 GPIO module.
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*/
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#ifndef _GPIO_K64_H_
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#define _GPIO_K64_H_
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#include <nanokernel.h>
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#include <gpio.h>
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/* GPIO Port Register offsets */
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#define GPIO_K64_DATA_OUT_OFFSET 0x00 /* Port Data Output */
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#define GPIO_K64_SET_OUT_OFFSET 0x04 /* Port Set Output */
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#define GPIO_K64_CLR_OUT_OFFSET 0x08 /* Port Clear Output */
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#define GPIO_K64_TOGGLE_OUT_OFFSET 0x0C /* Port Toggle Output */
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#define GPIO_K64_DATA_IN_OFFSET 0x10 /* Port Data Input */
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#define GPIO_K64_DIR_OFFSET 0x14 /* Port Data Direction */
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/** Configuration data */
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struct gpio_k64_config {
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/* GPIO module base address */
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uint32_t gpio_base_addr;
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/* Port Control module base address */
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uint32_t port_base_addr;
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};
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struct gpio_k64_data {
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/* port ISR callback routine address */
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sys_slist_t callbacks;
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/* pin callback routine enable flags, by pin number */
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uint32_t pin_callback_enables;
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};
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#endif /* _GPIO_K64_H_ */
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