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53 lines
1.6 KiB
53 lines
1.6 KiB
/* |
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* AESS IP block reset |
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* |
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* Copyright (C) 2012 Texas Instruments, Inc. |
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* Paul Walmsley |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation version 2. |
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* |
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any |
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* kind, whether express or implied; without even the implied warranty |
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
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* 02110-1301 USA |
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*/ |
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#ifndef __SOUND_AESS_H__ |
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#define __SOUND_AESS_H__ |
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#include <linux/kernel.h> |
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#include <linux/io.h> |
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/* |
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* AESS_AUTO_GATING_ENABLE_OFFSET: offset in bytes of the AESS IP |
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* block's AESS_AUTO_GATING_ENABLE__1 register from the IP block's |
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* base address |
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*/ |
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#define AESS_AUTO_GATING_ENABLE_OFFSET 0x07c |
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/* Register bitfields in the AESS_AUTO_GATING_ENABLE__1 register */ |
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#define AESS_AUTO_GATING_ENABLE_SHIFT 0 |
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/** |
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* aess_enable_autogating - enable AESS internal autogating |
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* @oh: struct omap_hwmod * |
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* |
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* Enable internal autogating on the AESS. This allows the AESS to |
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* indicate that it is idle to the OMAP PRCM. Returns 0. |
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*/ |
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static inline void aess_enable_autogating(void __iomem *base) |
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{ |
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u32 v; |
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/* Set AESS_AUTO_GATING_ENABLE__1.ENABLE to allow idle entry */ |
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v = 1 << AESS_AUTO_GATING_ENABLE_SHIFT; |
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writel(v, base + AESS_AUTO_GATING_ENABLE_OFFSET); |
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} |
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#endif /* __SOUND_AESS_H__ */
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