1 /* 2 * linux/include/linux/mmc/pm.h 3 * 4 * Author: Nicolas Pitre 5 * Copyright: (C) 2009 Marvell Technology Group Ltd. 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 */ 11 12 #ifndef LINUX_MMC_PM_H 13 #define LINUX_MMC_PM_H 14 15 /* 16 * These flags are used to describe power management features that 17 * some cards (typically SDIO cards) might wish to benefit from when 18 * the host system is being suspended. There are several layers of 19 * abstractions involved, from the host controller driver, to the MMC core 20 * code, to the SDIO core code, to finally get to the actual SDIO function 21 * driver. This file is therefore used for common definitions shared across 22 * all those layers. 23 */ 24 25 typedef unsigned int mmc_pm_flag_t; 26 27 #define MMC_PM_KEEP_POWER (1 << 0) /* preserve card power during suspend */ 28 #define MMC_PM_WAKE_SDIO_IRQ (1 << 1) /* wake up host system on SDIO IRQ assertion */ 29 #define MMC_PM_IGNORE_PM_NOTIFY (1 << 2) /* ignore mmc pm notify */ 30 31 #endif /* LINUX_MMC_PM_H */ 32