1 /* 2 * (C) Copyright 2012,2015 Stephen Warren 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #ifndef _BCM2835_MSG_H 8 #define _BCM2835_MSG_H 9 10 /** 11 * bcm2835_power_on_module() - power on an SoC module 12 * 13 * @module: ID of module to power on (BCM2835_MBOX_POWER_DEVID_...) 14 * @return 0 if OK, -EIO on error 15 */ 16 int bcm2835_power_on_module(u32 module); 17 18 /** 19 * bcm2835_get_mmc_clock() - get the frequency of the MMC clock 20 * 21 * @return clock frequency, or -ve on error 22 */ 23 int bcm2835_get_mmc_clock(void); 24 25 #endif 26