1 /*
2  * Copyright (c) 2021, MediaTek Inc. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #include <mt_lp_rm.h>
8 #include <mt_lp_irqremain.h>
9 #include <mtk_cirq.h>
10 #include <plat_mtk_lpm.h>
11 
12 
13 #define KEYPAD_IRQ_ID		U(138)
14 
15 #define KEYPAD_WAKESRC		0x4
16 
17 static struct mt_irqremain remain_irqs;
18 
mt_lp_irqremain_submit(void)19 int mt_lp_irqremain_submit(void)
20 {
21 	if (remain_irqs.count == 0) {
22 		return -1;
23 	}
24 
25 	set_wakeup_sources(remain_irqs.irqs, remain_irqs.count);
26 	mt_lp_rm_do_update(-1, PLAT_RC_UPDATE_REMAIN_IRQS, &remain_irqs);
27 
28 	return 0;
29 }
30 
mt_lp_irqremain_aquire(void)31 int mt_lp_irqremain_aquire(void)
32 {
33 	if (remain_irqs.count == 0) {
34 		return -1;
35 	}
36 
37 	mt_cirq_sw_reset();
38 	mt_cirq_clone_gic();
39 	mt_cirq_enable();
40 
41 	return 0;
42 }
43 
mt_lp_irqremain_release(void)44 int mt_lp_irqremain_release(void)
45 {
46 	if (remain_irqs.count == 0) {
47 		return -1;
48 	}
49 
50 	mt_cirq_flush();
51 	mt_cirq_disable();
52 
53 	return 0;
54 }
55 
mt_lp_irqremain_init(void)56 void mt_lp_irqremain_init(void)
57 {
58 	uint32_t idx;
59 
60 	remain_irqs.count = 0;
61 
62 	/*edge keypad*/
63 	idx = remain_irqs.count;
64 	remain_irqs.irqs[idx] = KEYPAD_IRQ_ID;
65 	remain_irqs.wakeupsrc_cat[idx] = 0;
66 	remain_irqs.wakeupsrc[idx] = KEYPAD_WAKESRC;
67 	remain_irqs.count++;
68 
69 	mt_lp_irqremain_submit();
70 }
71