1 /*
2 * Copyright (c) 2018,2021 The Linux Foundation. All rights reserved.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for
5 * any purpose with or without fee is hereby granted, provided that the
6 * above copyright notice and this permission notice appear in all
7 * copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
10 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
11 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
12 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
13 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
14 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
15 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16 * PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 /**
20 * DOC: qdf_dev
21 * This file provides OS dependent device related APIs
22 */
23
24 #include "qdf_dev.h"
25 #include "qdf_mem.h"
26 #include "qdf_util.h"
27 #include "qdf_module.h"
28 #include <linux/irq.h>
29
30 QDF_STATUS
qdf_dev_alloc_mem(struct qdf_dev * qdfdev,struct qdf_devm ** mrptr,uint32_t reqsize,uint32_t mask)31 qdf_dev_alloc_mem(struct qdf_dev *qdfdev, struct qdf_devm **mrptr,
32 uint32_t reqsize, uint32_t mask)
33 {
34 struct qdf_devm *mptr;
35
36 if (!qdfdev)
37 return QDF_STATUS_E_INVAL;
38
39 mptr = devm_kzalloc((struct device *)qdfdev, reqsize, mask);
40
41 if (!mrptr)
42 return QDF_STATUS_E_NOMEM;
43
44 *mrptr = mptr;
45
46 return QDF_STATUS_SUCCESS;
47 }
48
49 qdf_export_symbol(qdf_dev_alloc_mem);
50
51 QDF_STATUS
qdf_dev_release_mem(struct qdf_dev * qdfdev,struct qdf_devm * mrptr)52 qdf_dev_release_mem(struct qdf_dev *qdfdev, struct qdf_devm *mrptr)
53 {
54 if (!mrptr)
55 return QDF_STATUS_E_INVAL;
56
57 devm_kfree((struct device *)qdfdev, mrptr);
58
59 return QDF_STATUS_SUCCESS;
60 }
61
62 qdf_export_symbol(qdf_dev_release_mem);
63
64 QDF_STATUS
qdf_dev_modify_irq_status(uint32_t irnum,unsigned long cmask,unsigned long smask)65 qdf_dev_modify_irq_status(uint32_t irnum, unsigned long cmask,
66 unsigned long smask)
67 {
68 if (irnum <= 0)
69 return QDF_STATUS_E_INVAL;
70
71 irq_modify_status(irnum, cmask, smask);
72
73 return QDF_STATUS_SUCCESS;
74 }
75
76 qdf_export_symbol(qdf_dev_modify_irq_status);
77
78 QDF_STATUS
qdf_dev_set_irq_affinity(uint32_t irnum,struct qdf_cpu_mask * cpmask)79 qdf_dev_set_irq_affinity(uint32_t irnum, struct qdf_cpu_mask *cpmask)
80 {
81 int ret;
82
83 if (irnum <= 0)
84 return QDF_STATUS_E_INVAL;
85
86 ret = irq_set_affinity_hint(irnum, (struct cpumask *)cpmask);
87
88 return qdf_status_from_os_return(ret);
89 }
90
91 qdf_export_symbol(qdf_dev_set_irq_affinity);
92
93 #ifdef ENHANCED_OS_ABSTRACTION
94 QDF_STATUS
qdf_dev_set_irq_status_flags(unsigned int irnum,unsigned long set)95 qdf_dev_set_irq_status_flags(unsigned int irnum, unsigned long set)
96 {
97 if (irnum <= 0)
98 return QDF_STATUS_E_INVAL;
99
100 irq_set_status_flags(irnum, set);
101
102 return QDF_STATUS_SUCCESS;
103 }
104
105 qdf_export_symbol(qdf_dev_set_irq_status_flags);
106
107 QDF_STATUS
qdf_dev_clear_irq_status_flags(unsigned int irnum,unsigned long clr)108 qdf_dev_clear_irq_status_flags(unsigned int irnum, unsigned long clr)
109 {
110 if (irnum <= 0)
111 return QDF_STATUS_E_INVAL;
112
113 irq_clear_status_flags(irnum, clr);
114
115 return QDF_STATUS_SUCCESS;
116 }
117
118 qdf_export_symbol(qdf_dev_clear_irq_status_flags);
119 #endif
120