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 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 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