1 /* 2 * Copyright (c) 2018 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 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 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 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 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