1 /*
2 * Copyright (c) 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: qal_devnode
21 * QCA abstraction layer (QAL) device config APIs
22 */
23
24 #if !defined(__I_QAL_DEVNODE_H)
25 #define __I_QAL_DEVNODE_H
26
27 /* Include Files */
28 #include <linux/of_pci.h>
29 #include <linux/of.h>
30 #include "qdf_types.h"
31
32 #define PCI_DOMAIN_ID_MIN 0x0000
33 #define PCI_DOMAIN_ID_MAX 0xFFFF
34
35 typedef struct device_node *__qdf_devnode_t;
36
37 /**
38 * __qal_devnode_read_u32_array() - Find and read an array of 32 bit integers
39 * from a property.
40 * @devnode: device node from which the property value is to be read.
41 * @pname: name of the property to be searched.
42 * @u32_val: pointer to return value, modified only if return value is 0.
43 * @elem: number of array elements to read
44 *
45 * Return: QDF_STATUS_SUCCESS if valid value can be decoded,
46 * error code otherwise
47 */
48 static inline QDF_STATUS
__qal_devnode_read_u32_array(const __qdf_devnode_t devnode,const char * pname,u32 * u32_val,size_t elem)49 __qal_devnode_read_u32_array(const __qdf_devnode_t devnode,
50 const char *pname, u32 *u32_val, size_t elem)
51 {
52 int ret;
53
54 ret = of_property_read_u32_array(devnode, pname, u32_val, elem);
55
56 return qdf_status_from_os_return(ret);
57 }
58
59 /**
60 * __qal_devnode_read_u32() - Find and read 32 bit integer from a property.
61 * @devnode: device node from which the property value is to be read.
62 * @pname: name of the property to be searched.
63 * @u32_val: pointer to return value, modified only if return value is 0.
64 *
65 * Return: QDF_STATUS_SUCCESS if valid value can be decoded,
66 * error code otherwise
67 */
68 static inline QDF_STATUS
__qal_devnode_read_u32(const __qdf_devnode_t devnode,const char * pname,u32 * u32_val)69 __qal_devnode_read_u32(const __qdf_devnode_t devnode,
70 const char *pname, u32 *u32_val)
71 {
72 int ret;
73
74 ret = of_property_read_u32(devnode, pname, u32_val);
75
76 return qdf_status_from_os_return(ret);
77 }
78
79 #endif /* __I_QAL_DEVNODE_H */
80