summaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
authorOlof Johansson <olof@lixom.net>2013-02-13 00:33:39 +0100
committerOlof Johansson <olof@lixom.net>2013-02-13 00:33:39 +0100
commitebcfe0faf969fe64060132a455db64bcc3517e5c (patch)
treefadeb32f8820bfa53a5a37f967bf0d58aafeb82f /include
parentMerge tag 'omap-for-v3.9/clock-signed' of git://git.kernel.org/pub/scm/linux/... (diff)
parentMerge tag 'omap-devel-d2-for-3.9' of git://git.kernel.org/pub/scm/linux/kerne... (diff)
downloadlinux-ebcfe0faf969fe64060132a455db64bcc3517e5c.tar.xz
linux-ebcfe0faf969fe64060132a455db64bcc3517e5c.zip
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.h53
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__ */