diff options
| author | Olof Johansson <olof@lixom.net> | 2013-02-12 15:33:39 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2013-02-12 15:33:39 -0800 |
| commit | ebcfe0faf969fe64060132a455db64bcc3517e5c (patch) | |
| tree | fadeb32f8820bfa53a5a37f967bf0d58aafeb82f /include | |
| parent | 488c77c961e65894d864af4da720a880a5fbb066 (diff) | |
| parent | 93b23711b7132400d4d76f31c660d27a2bb0afdb (diff) | |
Merge tag 'omap-for-v3.9/pm-omap4-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into late/omap
From Tony Lindgren:
omap4 pm changes via Paul Walmsley <paul@pwsan.com>:
Some OMAP4 power management fixes and audio device integration
patches. This pull request contains a fix for an issue discovered during
branch integration.
Basic test logs are available at:
http://www.pwsan.com/omap/testlogs/omap4_prcm_devel_a_3.9/20130210112717/
* tag 'omap-for-v3.9/pm-omap4-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP4: hwmod data: Enable AESS hwmod device
ARM: OMAP4: hwmod data: Update AESS data with memory bank area
ARM: OMAP4+: AESS: enable internal auto-gating during initial setup
ASoC: TI AESS: add autogating-enable function, callable from architecture code
ARM: OMAP2+: hwmod: add enable_preprogram hook
ARM: OMAP2+: PM: Fix the dt return condition in pm_late_init()
ARM: OMAP4: PM: Warn users about usage of older bootloaders
Diffstat (limited to 'include')
| -rw-r--r-- | include/sound/aess.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/include/sound/aess.h b/include/sound/aess.h new file mode 100644 index 000000000000..cee0d09fadbd --- /dev/null +++ b/include/sound/aess.h @@ -0,0 +1,53 @@ +/* + * 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__ */ |