1 /*
2  * Copyright (c) 2021 - 2025, Nordic Semiconductor ASA
3  * All rights reserved.
4  *
5  * SPDX-License-Identifier: BSD-3-Clause
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright notice, this
11  *    list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * 3. Neither the name of the copyright holder nor the names of its
18  *    contributors may be used to endorse or promote products derived from this
19  *    software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31  * POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #ifndef NRFX_BELLBOARD_H__
35 #define NRFX_BELLBOARD_H__
36 
37 #include <nrfx.h>
38 #include <haly/nrfy_bellboard.h>
39 
40 #ifdef __cplusplus
41 extern "C" {
42 #endif
43 
44 /**
45  * @defgroup nrfx_bellboard BELLBOARD driver
46  * @{
47  * @ingroup nrf_bellboard
48  * @brief   BELLBOARD peripheral driver.
49  */
50 
51 /** @brief Structure for the BELLBOARD driver instance. */
52 typedef struct
53 {
54     uint8_t  drv_inst_idx; ///< Index of the driver instance. For internal use only.
55     uint8_t  int_idx;      ///< Interrupt index. For internal use only.
56 } nrfx_bellboard_t;
57 
58 #ifndef __NRFX_DOXYGEN__
59 enum {
60     NRFX_INSTANCE_ENUM_LIST(BELLBOARD)
61     NRFX_BELLBOARD_ENABLED_COUNT
62 };
63 #endif
64 
65 /** @brief Macro for creating a BELLBOARD driver instance. */
66 #define NRFX_BELLBOARD_INSTANCE(id)                                 \
67 {                                                                   \
68     .drv_inst_idx = NRFX_CONCAT(NRFX_BELLBOARD, id, _INST_IDX),     \
69     .int_idx      = id,                                             \
70 }
71 
72 /**
73  * @brief Bellboard event handler callback.
74  *
75  * @param[in] event_idx Bellboard event index.
76  * @param[in] p_context User context.
77  */
78 typedef void (*nrfx_bellboard_event_handler_t)(uint8_t event_idx, void * p_context);
79 
80 /**
81  * @brief Initialize BELLBOARD driver instance.
82  *
83  * @param[in] p_instance    Pointer to BELLBOARD driver instance.
84  * @param[in] irq_priority  Interrupt priority.
85  * @param[in] event_handler Function to be called on bellboard interrupt.
86  * @param[in] p_context     User context passed to event handler.
87  *
88  * @retval NRFX_SUCCESS       Instance successfully initialized.
89  * @retval NRFX_ERROR_ALREADY Instance already initialized.
90  */
91 nrfx_err_t nrfx_bellboard_init(nrfx_bellboard_t const *       p_instance,
92                                uint8_t                        irq_priority,
93                                nrfx_bellboard_event_handler_t event_handler,
94                                void *                         p_context);
95 
96 /**
97  * @brief Uninitialize BELLBOARD driver instance.
98  *
99  * @param[in] p_instance Pointer to BELLBOARD driver instance.
100  */
101 void nrfx_bellboard_uninit(nrfx_bellboard_t const * p_instance);
102 
103 /**
104  * @brief Function for checking if the BELLBOARD driver instance is initialized.
105  *
106  * @param[in] p_instance Pointer to BELLBOARD driver instance.
107  *
108  * @retval true  Instance is already initialized.
109  * @retval false Instance is not initialized.
110  */
111 bool nrfx_bellboard_init_check(nrfx_bellboard_t const * p_instance);
112 
113 /**
114  * @brief Enable interrupt mask for given bellboard interrupt.
115  *
116  * @param[in] p_instance Pointer to BELLBOARD driver instance.
117  * @param[in] mask       Interrupt mask.
118  */
119 void nrfx_bellboard_int_enable(nrfx_bellboard_t const * p_instance, uint32_t mask);
120 
121 /**
122  * @brief Disable interrupt mask for given bellboard interrupt.
123  *
124  * @param[in] p_instance Pointer to BELLBOARD driver instance.
125  * @param[in] mask       Interrupt mask.
126  */
127 void nrfx_bellboard_int_disable(nrfx_bellboard_t const * p_instance, uint32_t mask);
128 
129 /** @} */
130 
131 NRFX_INSTANCE_IRQ_HANDLERS_DECLARE(BELLBOARD, bellboard)
132 
133 #ifdef __cplusplus
134 }
135 #endif
136 
137 #endif // NRFX_BELLBOARD_H__
138