1 /*
2 * Copyright (c) 2024 Nordic Semiconductor ASA
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 *
6 * Note that the function prototypes are taken from the NRFx HAL
7 */
8 #include "hal/nrf_aar.h"
9 #include "hal/nrf_ccm.h"
10 #include "bs_tracing.h"
11 #include "NHW_54_AAR_CCM_ECB.h"
12
aar_inst_from_ptr(NRF_AAR_Type * p_reg)13 static int aar_inst_from_ptr(NRF_AAR_Type * p_reg)
14 {
15 union NRF_AARCCM_regs *p = (union NRF_AARCCM_regs *)p_reg;
16
17 int i = ( (int)p - (int)NRF_AARCCM_regs ) / sizeof(union NRF_AARCCM_Type);
18 return i;
19 }
20
nrf_aar_int_enable(NRF_AAR_Type * p_reg,uint32_t mask)21 void nrf_aar_int_enable(NRF_AAR_Type * p_reg, uint32_t mask)
22 {
23 int inst = aar_inst_from_ptr(p_reg);
24 p_reg->INTENSET = mask;
25 nhw_AAR_regw_sideeffects_INTENSET(inst);
26 }
27
nrf_aar_int_disable(NRF_AAR_Type * p_reg,uint32_t mask)28 void nrf_aar_int_disable(NRF_AAR_Type * p_reg, uint32_t mask)
29 {
30 int inst = aar_inst_from_ptr(p_reg);
31 p_reg->INTENCLR = mask;
32 nhw_AAR_regw_sideeffects_INTENCLR(inst);
33 }
34
nrf_aar_task_trigger(NRF_AAR_Type * p_reg,nrf_aar_task_t task)35 void nrf_aar_task_trigger(NRF_AAR_Type * p_reg, nrf_aar_task_t task)
36 {
37 int inst = aar_inst_from_ptr(p_reg);
38 *(volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)task) = 1;
39 if (task == NRF_AAR_TASK_START) {
40 nhw_AAR_regw_sideeffects_TASKS_START(inst);
41 } else if (task == NRF_AAR_TASK_STOP) {
42 nhw_AAR_regw_sideeffects_TASKS_STOP(inst);
43 } else if ( (int)task == (int)NRF_CCM_TASK_RATEOVERRIDE ) {
44 nhw_CCM_regw_sideeffects_TASKS_RATEOVERRIDE(inst);
45 } else {
46 bs_trace_error_line_time("Not supported task started in nrf_aar\n");
47 }
48 }
49
nrf_aar_enable(NRF_AAR_Type * p_reg)50 void nrf_aar_enable(NRF_AAR_Type * p_reg)
51 {
52 int inst = aar_inst_from_ptr(p_reg);
53 p_reg->ENABLE = AAR_ENABLE_ENABLE_Enabled << AAR_ENABLE_ENABLE_Pos;
54 nhw_AARCCM_regw_sideeffects_ENABLE(inst);
55 }
56
nrf_aar_disable(NRF_AAR_Type * p_reg)57 void nrf_aar_disable(NRF_AAR_Type * p_reg)
58 {
59 int inst = aar_inst_from_ptr(p_reg);
60 p_reg->ENABLE = AAR_ENABLE_ENABLE_Disabled << AAR_ENABLE_ENABLE_Pos;
61 nhw_AARCCM_regw_sideeffects_ENABLE(inst);
62 }
63
nrf_aar_event_clear(NRF_AAR_Type * p_reg,nrf_aar_event_t event)64 void nrf_aar_event_clear(NRF_AAR_Type * p_reg, nrf_aar_event_t event)
65 {
66 int inst = aar_inst_from_ptr(p_reg);
67 *((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)event)) = 0x0UL;
68 nhw_AAR_regw_sideeffects_EVENTS_all(inst);
69 }
70
nrf_aar_subscribe_common(NRF_AAR_Type * p_reg,nrf_aar_task_t task)71 static void nrf_aar_subscribe_common(NRF_AAR_Type * p_reg,
72 nrf_aar_task_t task)
73 {
74 int inst = aar_inst_from_ptr(p_reg);
75 if (task == NRF_AAR_TASK_START) {
76 nhw_AAR_regw_sideeffects_SUBSCRIBE_START(inst);
77 } else if ( task == NRF_AAR_TASK_STOP ) {
78 nhw_AAR_regw_sideeffects_SUBSCRIBE_STOP(inst);
79 } else if ( (int)task == (int)NRF_CCM_TASK_RATEOVERRIDE ) {
80 /* AAR and CCM share the SW register IF, and therefore we may land here also.
81 * Though the START and STOP tasks are the same, RATEOVERRIDE only exists for the CCM */
82 nhw_CCM_regw_sideeffects_SUBSCRIBE_RATEOVERRIDE(inst);
83 } else {
84 bs_trace_error_line_time("Attempted to subscribe to a not-supported task in the nrf_aar (%i)\n",
85 task);
86 }
87 }
88
nrf_aar_subscribe_set(NRF_AAR_Type * p_reg,nrf_aar_task_t task,uint8_t channel)89 void nrf_aar_subscribe_set(NRF_AAR_Type * p_reg,
90 nrf_aar_task_t task,
91 uint8_t channel)
92 {
93 *((volatile uint32_t *) ((uint8_t *) p_reg + (uint32_t) task + 0x80uL)) =
94 ((uint32_t)channel | NRF_SUBSCRIBE_PUBLISH_ENABLE);
95 nrf_aar_subscribe_common(p_reg, task);
96 }
97
nrf_aar_subscribe_clear(NRF_AAR_Type * p_reg,nrf_aar_task_t task)98 void nrf_aar_subscribe_clear(NRF_AAR_Type * p_reg,
99 nrf_aar_task_t task)
100 {
101 *((volatile uint32_t *) ((uint8_t *) p_reg + (uint32_t) task + 0x80uL)) = 0;
102 nrf_aar_subscribe_common(p_reg, task);
103 }
104
