-#ifdef CONFIG_PM
-int au1200ide_pm_callback( au1xxx_power_dev_t *dev,\
- au1xxx_request_t request, void *data) {
-
- unsigned int d, err = 0;
- unsigned long flags;
-
- spin_lock_irqsave(auide_hwif.pm.lock, flags);
-
- switch (request){
- case AU1XXX_PM_SLEEP:
- err = au1xxxide_pm_sleep(dev);
- break;
- case AU1XXX_PM_WAKEUP:
- d = *((unsigned int*)data);
- if ( d > 0 && d <= 99) {
- err = au1xxxide_pm_standby(dev);
- }
- else {
- err = au1xxxide_pm_resume(dev);
- }
- break;
- case AU1XXX_PM_GETSTATUS:
- err = au1xxxide_pm_getstatus(dev);
- break;
- case AU1XXX_PM_ACCESS:
- err = au1xxxide_pm_access(dev);
- break;
- case AU1XXX_PM_IDLE:
- err = au1xxxide_pm_idle(dev);
- break;
- case AU1XXX_PM_CLEANUP:
- err = au1xxxide_pm_cleanup(dev);
- break;
- default:
- err = -1;
- break;
- }
-
- spin_unlock_irqrestore(auide_hwif.pm.lock, flags);
-
- return err;
-}
-
-static int au1xxxide_pm_standby( au1xxx_power_dev_t *dev ) {
- return 0;
-}
-
-static int au1xxxide_pm_sleep( au1xxx_power_dev_t *dev ) {
-
- int retval;
- ide_hwif_t *hwif = auide_hwif.hwif;
- struct request rq;
- struct request_pm_state rqpm;
- ide_task_t args;
-
- if(auide_hwif.pm.stopped)
- return -1;
-
- /*
- * wait until hard disc is ready
- */
- if ( wait_for_ready(&hwif->drives[0], 35000) ) {
- printk("Wait for drive sleep timeout!\n");
- retval = -1;
- }
-
- /*
- * sequenz to tell the high level ide driver that pm is resuming
- */
- memset(&rq, 0, sizeof(rq));
- memset(&rqpm, 0, sizeof(rqpm));
- memset(&args, 0, sizeof(args));
- rq.flags = REQ_PM_SUSPEND;
- rq.special = &args;
- rq.pm = &rqpm;
- rqpm.pm_step = ide_pm_state_start_suspend;
- rqpm.pm_state = PMSG_SUSPEND;
-
- retval = ide_do_drive_cmd(&hwif->drives[0], &rq, ide_wait);
-
- if (wait_for_ready (&hwif->drives[0], 35000)) {
- printk("Wait for drive sleep timeout!\n");
- retval = -1;
- }
-
- /*
- * stop dbdma channels
- */
- au1xxx_dbdma_reset(auide_hwif.tx_chan);
- au1xxx_dbdma_reset(auide_hwif.rx_chan);
-
- auide_hwif.pm.stopped = 1;
-
- return retval;
-}
-
-static int au1xxxide_pm_resume( au1xxx_power_dev_t *dev ) {
-
- int retval;
- ide_hwif_t *hwif = auide_hwif.hwif;
- struct request rq;
- struct request_pm_state rqpm;
- ide_task_t args;
-
- if(!auide_hwif.pm.stopped)
- return -1;
-
- /*
- * start dbdma channels
- */
- au1xxx_dbdma_start(auide_hwif.tx_chan);
- au1xxx_dbdma_start(auide_hwif.rx_chan);
-
- /*
- * wait until hard disc is ready
- */
- if (wait_for_ready ( &hwif->drives[0], 35000)) {
- printk("Wait for drive wake up timeout!\n");
- retval = -1;
- }
-
- /*
- * sequenz to tell the high level ide driver that pm is resuming
- */
- memset(&rq, 0, sizeof(rq));
- memset(&rqpm, 0, sizeof(rqpm));
- memset(&args, 0, sizeof(args));
- rq.flags = REQ_PM_RESUME;
- rq.special = &args;
- rq.pm = &rqpm;
- rqpm.pm_step = ide_pm_state_start_resume;
- rqpm.pm_state = PMSG_ON;
-
- retval = ide_do_drive_cmd(&hwif->drives[0], &rq, ide_head_wait);
-
- /*
- * wait for hard disc
- */
- if ( wait_for_ready(&hwif->drives[0], 35000) ) {
- printk("Wait for drive wake up timeout!\n");
- retval = -1;
- }
-
- auide_hwif.pm.stopped = 0;
-
- return retval;
-}
-
-static int au1xxxide_pm_getstatus( au1xxx_power_dev_t *dev ) {
- return dev->cur_state;
-}
-
-static int au1xxxide_pm_access( au1xxx_power_dev_t *dev ) {
- if (dev->cur_state != AWAKE_STATE)
- return 0;
- else
- return -1;
-}
-
-static int au1xxxide_pm_idle( au1xxx_power_dev_t *dev ) {
- return 0;
-}
-
-static int au1xxxide_pm_cleanup( au1xxx_power_dev_t *dev ) {
- return 0;
-}
-#endif /* CONFIG_PM */
-