/* * AESS IP block reset * * Copyright (C) 2012 Texas Instruments, Inc. * Paul Walmsley * * 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 */ #ifndef __SOUND_AESS_H__ #define __SOUND_AESS_H__ #include <linux/kernel.h> #include <linux/io.h> /* * AESS_AUTO_GATING_ENABLE_OFFSET: offset in bytes of the AESS IP * block's AESS_AUTO_GATING_ENABLE__1 register from the IP block's * base address */ #define AESS_AUTO_GATING_ENABLE_OFFSET 0x07c /* Register bitfields in the AESS_AUTO_GATING_ENABLE__1 register */ #define AESS_AUTO_GATING_ENABLE_SHIFT 0 /** * aess_enable_autogating - enable AESS internal autogating * @oh: struct omap_hwmod * * * Enable internal autogating on the AESS. This allows the AESS to * indicate that it is idle to the OMAP PRCM. Returns 0. */ static inline void aess_enable_autogating(void __iomem *base) { u32 v; /* Set AESS_AUTO_GATING_ENABLE__1.ENABLE to allow idle entry */ v = 1 << AESS_AUTO_GATING_ENABLE_SHIFT; writel(v, base + AESS_AUTO_GATING_ENABLE_OFFSET); } #endif /* __SOUND_AESS_H__ */