1 /* shared_irq - Shared interrupt driver */
2
3 /*
4 * Copyright (c) 2015 - 2023 Intel corporation
5 *
6 * SPDX-License-Identifier: Apache-2.0
7 */
8
9 #ifndef ZEPHYR_INCLUDE_SHARED_IRQ_H_
10 #define ZEPHYR_INCLUDE_SHARED_IRQ_H_
11
12
13 #ifdef __cplusplus
14 extern "C" {
15 #endif
16
17 typedef int (*isr_t)(const struct device *dev, unsigned int irq_number);
18
19 /* driver API definition */
20 typedef int (*shared_irq_register_t)(const struct device *dev,
21 isr_t isr_func,
22 const struct device *isr_dev);
23 typedef int (*shared_irq_enable_t)(const struct device *dev,
24 const struct device *isr_dev);
25 typedef int (*shared_irq_disable_t)(const struct device *dev,
26 const struct device *isr_dev);
27
28 struct shared_irq_driver_api {
29 shared_irq_register_t isr_register;
30 shared_irq_enable_t enable;
31 shared_irq_disable_t disable;
32 };
33
34 /**
35 * @brief Register a device ISR
36 * @param dev Pointer to device structure for SHARED_IRQ driver instance.
37 * @param isr_func Pointer to the ISR function for the device.
38 * @param isr_dev Pointer to the device that will service the interrupt.
39 */
shared_irq_isr_register(const struct device * dev,isr_t isr_func,const struct device * isr_dev)40 static inline int shared_irq_isr_register(const struct device *dev,
41 isr_t isr_func,
42 const struct device *isr_dev)
43 {
44 const struct shared_irq_driver_api *api =
45 (const struct shared_irq_driver_api *)dev->api;
46
47 return api->isr_register(dev, isr_func, isr_dev);
48 }
49
50 /**
51 * @brief Enable ISR for device
52 * @param dev Pointer to device structure for SHARED_IRQ driver instance.
53 * @param isr_dev Pointer to the device that will service the interrupt.
54 */
shared_irq_enable(const struct device * dev,const struct device * isr_dev)55 static inline int shared_irq_enable(const struct device *dev,
56 const struct device *isr_dev)
57 {
58 const struct shared_irq_driver_api *api =
59 (const struct shared_irq_driver_api *)dev->api;
60
61 return api->enable(dev, isr_dev);
62 }
63
64 /**
65 * @brief Disable ISR for device
66 * @param dev Pointer to device structure for SHARED_IRQ driver instance.
67 * @param isr_dev Pointer to the device that will service the interrupt.
68 */
shared_irq_disable(const struct device * dev,const struct device * isr_dev)69 static inline int shared_irq_disable(const struct device *dev,
70 const struct device *isr_dev)
71 {
72 const struct shared_irq_driver_api *api =
73 (const struct shared_irq_driver_api *)dev->api;
74
75 return api->disable(dev, isr_dev);
76 }
77
78 #ifdef __cplusplus
79 }
80 #endif
81
82 #endif /* ZEPHYR_INCLUDE_SHARED_IRQ_H_ */
83
