1 /*
2 * Copyright (c) 2022 - 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
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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 #include <nrfx.h>
35
36 #if NRFX_CHECK(NRFX_TBM_ENABLED)
37
38 #include <nrfx_tbm.h>
39 #include <haly/nrfy_tbm.h>
40
41 static nrfx_drv_state_t state;
42 static nrfx_tbm_event_handler_t evt_handler;
43 static const uint32_t m_int_flags = NRF_TBM_INT_HALFFULL_MASK |
44 NRF_TBM_INT_FULL_MASK |
45 NRF_TBM_INT_FLUSH_MASK;
46
nrfx_tbm_init(nrfx_tbm_config_t const * p_config,nrfx_tbm_event_handler_t handler)47 nrfx_err_t nrfx_tbm_init(nrfx_tbm_config_t const * p_config, nrfx_tbm_event_handler_t handler)
48 {
49 if (state != NRFX_DRV_STATE_UNINITIALIZED)
50 {
51 return NRFX_ERROR_ALREADY;
52 }
53
54 nrfy_tbm_configure(NRF_TBM, p_config->size);
55
56 if (handler)
57 {
58 evt_handler = handler;
59 nrfy_tbm_int_init(NRF_TBM, m_int_flags, p_config->interrupt_priority, true);
60 }
61
62 state = NRFX_DRV_STATE_INITIALIZED;
63
64 return NRFX_SUCCESS;
65 }
66
nrfx_tbm_start(void)67 void nrfx_tbm_start(void)
68 {
69 NRFX_ASSERT(state == NRFX_DRV_STATE_INITIALIZED);
70 nrfy_tbm_task_trigger(NRF_TBM, NRF_TBM_TASK_START);
71 }
72
nrfx_tbm_stop(void)73 void nrfx_tbm_stop(void)
74 {
75 NRFX_ASSERT(state == NRFX_DRV_STATE_INITIALIZED);
76 nrfy_tbm_task_trigger(NRF_TBM, NRF_TBM_TASK_STOP);
77 }
78
nrfx_tbm_count_get(void)79 uint32_t nrfx_tbm_count_get(void)
80 {
81 NRFX_ASSERT(state == NRFX_DRV_STATE_INITIALIZED);
82 return nrfy_tbm_count_get(NRF_TBM);
83 }
84
nrfx_tbm_uninit(void)85 void nrfx_tbm_uninit(void)
86 {
87 NRFX_ASSERT(state == NRFX_DRV_STATE_INITIALIZED);
88 nrfx_tbm_stop();
89 nrfy_tbm_int_uninit(NRF_TBM);
90
91 state = NRFX_DRV_STATE_UNINITIALIZED;
92 }
93
nrfx_tbm_init_check(void)94 bool nrfx_tbm_init_check(void)
95 {
96 return (state != NRFX_DRV_STATE_UNINITIALIZED);
97 }
98
nrfx_tbm_irq_handler(void)99 void nrfx_tbm_irq_handler(void)
100 {
101 uint32_t evts = nrfy_tbm_events_process(NRF_TBM, m_int_flags);
102
103 if (evts & NRF_TBM_INT_HALFFULL_MASK)
104 {
105 evt_handler(NRF_TBM_EVENT_HALFFULL);
106 }
107
108 if (evts & NRF_TBM_INT_FULL_MASK)
109 {
110 evt_handler(NRF_TBM_EVENT_FULL);
111 }
112
113 if (evts & NRF_TBM_INT_FLUSH_MASK)
114 {
115 evt_handler(NRF_TBM_EVENT_FLUSH);
116 }
117 }
118
119 #endif // NRFX_CHECK(NRFX_TBM_ENABLED)
120
