1/******************************************************************************
2 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
3 *
4 * This program is distributed in the hope that it will be useful, but WITHOUT
5 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
6 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
7 * more details.
8 *
9 * You should have received a copy of the GNU General Public License along with
10 * this program; if not, write to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
12 *
13 * The full GNU General Public License is included in this distribution in the
14 * file called LICENSE.
15 *
16 * Contact Information:
17 * wlanfae <wlanfae@realtek.com>
18******************************************************************************/
19
20#include "rtl_core.h"
21#include "r8192E_hw.h"
22#include "r8190P_rtl8256.h"
23#include "rtl_pm.h"
24
25int rtl8192E_save_state(struct pci_dev *dev, pm_message_t state)
26{
27	printk(KERN_NOTICE "r8192E save state call (state %u).\n", state.event);
28	return -EAGAIN;
29}
30
31
32int rtl8192E_suspend(struct pci_dev *pdev, pm_message_t state)
33{
34	struct net_device *dev = pci_get_drvdata(pdev);
35	struct r8192_priv *priv = rtllib_priv(dev);
36	u32	ulRegRead;
37
38	printk(KERN_INFO "============> r8192E suspend call.\n");
39	del_timer_sync(&priv->gpio_polling_timer);
40	cancel_delayed_work(&priv->gpio_change_rf_wq);
41	priv->polling_timer_on = 0;
42
43	if (!netif_running(dev)) {
44		printk(KERN_INFO "RTL819XE:UI is open out of suspend "
45		       "function\n");
46		goto out_pci_suspend;
47	}
48
49	if (dev->netdev_ops->ndo_stop)
50		dev->netdev_ops->ndo_stop(dev);
51	netif_device_detach(dev);
52
53	if (!priv->rtllib->bSupportRemoteWakeUp) {
54		MgntActSet_RF_State(dev, eRfOff, RF_CHANGE_BY_INIT, true);
55		ulRegRead = read_nic_dword(dev, CPU_GEN);
56		ulRegRead |= CPU_GEN_SYSTEM_RESET;
57		write_nic_dword(dev, CPU_GEN, ulRegRead);
58	} else {
59		write_nic_dword(dev, WFCRC0, 0xffffffff);
60		write_nic_dword(dev, WFCRC1, 0xffffffff);
61		write_nic_dword(dev, WFCRC2, 0xffffffff);
62		write_nic_byte(dev, PMR, 0x5);
63		write_nic_byte(dev, MacBlkCtrl, 0xa);
64	}
65out_pci_suspend:
66	printk("r8192E support WOL call??????????????????????\n");
67	if (priv->rtllib->bSupportRemoteWakeUp)
68		RT_TRACE(COMP_POWER, "r8192E support WOL call!!!!!!!"
69			 "!!!!!!!!!!!.\n");
70	pci_save_state(pdev);
71	pci_disable_device(pdev);
72	pci_enable_wake(pdev, pci_choose_state(pdev, state),
73			priv->rtllib->bSupportRemoteWakeUp ? 1 : 0);
74	pci_set_power_state(pdev, pci_choose_state(pdev, state));
75
76	mdelay(20);
77
78	return 0;
79}
80
81int rtl8192E_resume(struct pci_dev *pdev)
82{
83	struct net_device *dev = pci_get_drvdata(pdev);
84	struct r8192_priv *priv = rtllib_priv(dev);
85	int err;
86	u32 val;
87
88	printk(KERN_INFO "================>r8192E resume call.\n");
89
90	pci_set_power_state(pdev, PCI_D0);
91
92	err = pci_enable_device(pdev);
93	if (err) {
94		printk(KERN_ERR "%s: pci_enable_device failed on resume\n",
95		       dev->name);
96		return err;
97	}
98	pci_restore_state(pdev);
99
100	pci_read_config_dword(pdev, 0x40, &val);
101	if ((val & 0x0000ff00) != 0)
102		pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
103
104	pci_enable_wake(pdev, PCI_D0, 0);
105
106	if (priv->polling_timer_on == 0)
107		check_rfctrl_gpio_timer((unsigned long)dev);
108
109	if (!netif_running(dev)) {
110		printk(KERN_INFO "RTL819XE:UI is open out of resume "
111		       "function\n");
112		goto out;
113	}
114
115	netif_device_attach(dev);
116	if (dev->netdev_ops->ndo_open)
117		dev->netdev_ops->ndo_open(dev);
118
119	if (!priv->rtllib->bSupportRemoteWakeUp)
120		MgntActSet_RF_State(dev, eRfOn, RF_CHANGE_BY_INIT, true);
121
122out:
123	RT_TRACE(COMP_POWER, "<================r8192E resume call.\n");
124	return 0;
125}
126
127
128int rtl8192E_enable_wake(struct pci_dev *dev, pm_message_t state, int enable)
129{
130	printk(KERN_NOTICE "r8192E enable wake call (state %u, enable %d).\n",
131	       state.event, enable);
132	return -EAGAIN;
133}
134
135