/* * OMAP IP block custom reset and preprogramming stubs * * Copyright (C) 2012 Texas Instruments, Inc. * Paul Walmsley * * A small number of IP blocks need custom reset and preprogramming * functions. The stubs in this file provide a standard way for the * hwmod code to call these functions, which are to be located under * drivers/. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation version 2. * * This program is distributed "as is" WITHOUT ANY WARRANTY of any * kind, whether express or implied; without even the implied warranty * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA */ #include <linux/kernel.h> #include <linux/errno.h> #include <sound/aess.h> #include "omap_hwmod.h" /** * omap_hwmod_aess_preprogram - enable AESS internal autogating * @oh: struct omap_hwmod * * * The AESS will not IdleAck to the PRCM until its internal autogating * is enabled. Since internal autogating is disabled by default after * AESS reset, we must enable autogating after the hwmod code resets * the AESS. Returns 0. */ int omap_hwmod_aess_preprogram(struct omap_hwmod *oh) { void __iomem *va; va = omap_hwmod_get_mpu_rt_va(oh); if (!va) return -EINVAL; aess_enable_autogating(va); return 0; }