1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* |
3 | * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. |
4 | * |
5 | * Contact Information: wlanfae <wlanfae@realtek.com> |
6 | */ |
7 | #include "rtl_core.h" |
8 | #include "r8192E_hw.h" |
9 | #include "r8190P_rtl8256.h" |
10 | #include "rtl_pm.h" |
11 | |
12 | int rtl92e_suspend(struct device *dev_d) |
13 | { |
14 | struct net_device *dev = dev_get_drvdata(dev: dev_d); |
15 | struct r8192_priv *priv = rtllib_priv(dev); |
16 | u32 ulRegRead; |
17 | |
18 | netdev_info(dev, format: "============> r8192E suspend call.\n" ); |
19 | del_timer_sync(timer: &priv->gpio_polling_timer); |
20 | cancel_delayed_work_sync(dwork: &priv->gpio_change_rf_wq); |
21 | priv->polling_timer_on = 0; |
22 | |
23 | if (!netif_running(dev)) { |
24 | netdev_info(dev, |
25 | format: "RTL819XE:UI is open out of suspend function\n" ); |
26 | goto out_pci_suspend; |
27 | } |
28 | |
29 | if (dev->netdev_ops->ndo_stop) |
30 | dev->netdev_ops->ndo_stop(dev); |
31 | netif_device_detach(dev); |
32 | |
33 | if (!priv->rtllib->bSupportRemoteWakeUp) { |
34 | rtl92e_set_rf_state(dev, state_to_set: rf_off, RF_CHANGE_BY_INIT); |
35 | ulRegRead = rtl92e_readl(dev, x: CPU_GEN); |
36 | ulRegRead |= CPU_GEN_SYSTEM_RESET; |
37 | rtl92e_writel(dev, x: CPU_GEN, y: ulRegRead); |
38 | } else { |
39 | rtl92e_writel(dev, x: WFCRC0, y: 0xffffffff); |
40 | rtl92e_writel(dev, x: WFCRC1, y: 0xffffffff); |
41 | rtl92e_writel(dev, x: WFCRC2, y: 0xffffffff); |
42 | rtl92e_writeb(dev, x: PMR, y: 0x5); |
43 | rtl92e_writeb(dev, x: MAC_BLK_CTRL, y: 0xa); |
44 | } |
45 | out_pci_suspend: |
46 | netdev_info(dev, format: "WOL is %s\n" , priv->rtllib->bSupportRemoteWakeUp ? |
47 | "Supported" : "Not supported" ); |
48 | device_set_wakeup_enable(dev: dev_d, enable: priv->rtllib->bSupportRemoteWakeUp); |
49 | |
50 | mdelay(20); |
51 | |
52 | return 0; |
53 | } |
54 | |
55 | int rtl92e_resume(struct device *dev_d) |
56 | { |
57 | struct pci_dev *pdev = to_pci_dev(dev_d); |
58 | struct net_device *dev = dev_get_drvdata(dev: dev_d); |
59 | struct r8192_priv *priv = rtllib_priv(dev); |
60 | u32 val; |
61 | |
62 | netdev_info(dev, format: "================>r8192E resume call.\n" ); |
63 | |
64 | pci_read_config_dword(dev: pdev, where: 0x40, val: &val); |
65 | if ((val & 0x0000ff00) != 0) |
66 | pci_write_config_dword(dev: pdev, where: 0x40, val: val & 0xffff00ff); |
67 | |
68 | device_wakeup_disable(dev: dev_d); |
69 | |
70 | if (priv->polling_timer_on == 0) |
71 | rtl92e_check_rfctrl_gpio_timer(t: &priv->gpio_polling_timer); |
72 | |
73 | if (!netif_running(dev)) { |
74 | netdev_info(dev, |
75 | format: "RTL819XE:UI is open out of resume function\n" ); |
76 | goto out; |
77 | } |
78 | |
79 | netif_device_attach(dev); |
80 | if (dev->netdev_ops->ndo_open) |
81 | dev->netdev_ops->ndo_open(dev); |
82 | |
83 | if (!priv->rtllib->bSupportRemoteWakeUp) |
84 | rtl92e_set_rf_state(dev, state_to_set: rf_on, RF_CHANGE_BY_INIT); |
85 | |
86 | out: |
87 | return 0; |
88 | } |
89 | |
90 | |