1 files changed, 90 insertions, 0 deletions
diff --git a/drivers/staging/rtl8187se/r8180_pm.c b/drivers/staging/rtl8187se/r8180_pm.c
new file mode 100644
index 000000000000..3851b9368356
--- /dev/null
+++ b/drivers/staging/rtl8187se/r8180_pm.c
@@ -0,0 +1,90 @@
+/*
+   Power management interface routines.
+   Written by Mariusz Matuszek.
+   This code is currently just a placeholder for later work and
+   does not do anything useful.
+
+   This is part of rtl8180 OpenSource driver.
+   Copyright (C) Andrea Merello 2004  <andreamrl@tiscali.it>
+   Released under the terms of GPL (General Public Licence)
+*/
+
+#ifdef CONFIG_RTL8180_PM
+
+
+#include "r8180_hw.h"
+#include "r8180_pm.h"
+#include "r8180.h"
+
+int rtl8180_save_state (struct pci_dev *dev, u32 state)
+{
+        printk(KERN_NOTICE "r8180 save state call (state %u).\n", state);
+	return(-EAGAIN);
+}
+
+int rtl8180_suspend (struct pci_dev *pdev, pm_message_t state)
+{
+	struct net_device *dev = pci_get_drvdata(pdev);
+//	struct r8180_priv *priv = ieee80211_priv(dev);
+
+	if (!netif_running(dev))
+		goto out_pci_suspend;
+
+	dev->stop(dev);
+
+	netif_device_detach(dev);
+
+out_pci_suspend:
+	pci_save_state(pdev);
+	pci_disable_device(pdev);
+	pci_set_power_state(pdev,pci_choose_state(pdev,state));
+	return 0;
+}
+
+int rtl8180_resume (struct pci_dev *pdev)
+{
+	struct net_device *dev = pci_get_drvdata(pdev);
+//	struct r8180_priv *priv = ieee80211_priv(dev);
+	int err;
+	u32 val;
+
+	pci_set_power_state(pdev, PCI_D0);
+
+	err = pci_enable_device(pdev);
+	if(err) {
+		printk(KERN_ERR "%s: pci_enable_device failed on resume\n",
+				dev->name);
+
+		return err;
+	}
+	pci_restore_state(pdev);
+	/*
+	 * Suspend/Resume resets the PCI configuration space, so we have to
+	 * re-disable the RETRY_TIMEOUT register (0x41) to keep PCI Tx retries
+	 * from interfering with C3 CPU state. pci_restore_state won't help
+	 * here since it only restores the first 64 bytes pci config header.
+	 */
+	pci_read_config_dword(pdev, 0x40, &val);
+	if ((val & 0x0000ff00) != 0)
+		pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
+
+	if(!netif_running(dev))
+		goto out;
+
+	dev->open(dev);
+	netif_device_attach(dev);
+out:
+	return 0;
+}
+
+
+int rtl8180_enable_wake (struct pci_dev *dev, u32 state, int enable)
+{
+        printk(KERN_NOTICE "r8180 enable wake call (state %u, enable %d).\n",
+	       state, enable);
+	return(-EAGAIN);
+}
+
+
+
+#endif //CONFIG_RTL8180_PM