| /* | |
| * 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__ */ |