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