1 /*
2 * Copyright (c) 2020, The Linux Foundation. All rights reserved.
3 * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18 /**
19 * DOC: defines driver functions interfacing with linux kernel
20 */
21 #include <qdf_list.h>
22 #include <qdf_status.h>
23 #include <linux/wireless.h>
24 #include <linux/netdevice.h>
25 #include <wlan_cfg80211.h>
26 #include <wlan_osif_priv.h>
27 #include <osif_psoc_sync.h>
28 #include <qdf_mem.h>
29 #include <wlan_utility.h>
30 #include "wlan_hdd_main.h"
31 #include "cfg_ucfg_api.h"
32 #include <wlan_hdd_gpio.h>
33
34 /**
35 * __wlan_hdd_cfg80211_set_gpio_config() - Set the gpio configuration
36 * @wiphy: pointer to wiphy
37 * @wdev: pointer to wireless_wdev
38 * @data: pointer to data
39 * @data_len: data length
40 *
41 * __wlan_hdd_cfg80211_set_gpio_config will forward the GPIO setting to FW by
42 * WMI_GPIO_CONFIG/OUTPUT_CMDID
43 *
44 * Return: 0 on success; errno on failure
45 */
46 static int
__wlan_hdd_cfg80211_set_gpio_config(struct wiphy * wiphy,struct wireless_dev * wdev,const void * data,int data_len)47 __wlan_hdd_cfg80211_set_gpio_config(struct wiphy *wiphy,
48 struct wireless_dev *wdev,
49 const void *data,
50 int data_len)
51 {
52 int ret;
53 struct hdd_context *hdd_ctx = wiphy_priv(wiphy);
54 struct net_device *dev = wdev->netdev;
55 struct hdd_adapter *adapter;
56
57 hdd_enter();
58
59 ret = wlan_hdd_validate_context(hdd_ctx);
60 if (ret)
61 return ret;
62
63 if (hdd_get_conparam() == QDF_GLOBAL_FTM_MODE) {
64 hdd_err("Command not allowed in FTM mode");
65 return -EPERM;
66 }
67
68 adapter = WLAN_HDD_GET_PRIV_PTR(dev);
69 if (wlan_hdd_validate_vdev_id(adapter->deflink->vdev_id))
70 return -EINVAL;
71
72 ret = wlan_cfg80211_start_gpio_config(wiphy,
73 hdd_ctx->psoc,
74 data, data_len);
75 hdd_exit();
76
77 return ret;
78 }
79
80 /**
81 * wlan_hdd_cfg80211_set_gpio_config() - Set GPIO Configuration
82 * @wiphy: wiphy structure pointer
83 * @wdev: Wireless device structure pointer
84 * @data: Pointer to the data received
85 * @data_len: Length of @data
86 *
87 * Return: 0 on success; errno on failure
88 */
wlan_hdd_cfg80211_set_gpio_config(struct wiphy * wiphy,struct wireless_dev * wdev,const void * data,int data_len)89 int wlan_hdd_cfg80211_set_gpio_config(struct wiphy *wiphy,
90 struct wireless_dev *wdev,
91 const void *data, int data_len)
92 {
93 struct osif_psoc_sync *psoc_sync;
94 int errno;
95
96 errno = osif_psoc_sync_op_start(wiphy_dev(wiphy), &psoc_sync);
97 if (errno)
98 return errno;
99
100 errno = __wlan_hdd_cfg80211_set_gpio_config(wiphy,
101 wdev,
102 data,
103 data_len);
104
105 osif_psoc_sync_op_stop(psoc_sync);
106
107 return errno;
108 }
109