| /* |
| * OMAP IP block custom reset and preprogramming stubs |
| * |
| * Copyright (C) 2012 Texas Instruments, Inc. |
| * Paul Walmsley |
| * |
| * A small number of IP blocks need custom reset and preprogramming |
| * functions. The stubs in this file provide a standard way for the |
| * hwmod code to call these functions, which are to be located under |
| * drivers/. |
| * |
| * 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 |
| */ |
| #include <linux/kernel.h> |
| #include <linux/errno.h> |
| |
| #include <sound/aess.h> |
| |
| #include "omap_hwmod.h" |
| |
| /** |
| * omap_hwmod_aess_preprogram - enable AESS internal autogating |
| * @oh: struct omap_hwmod * |
| * |
| * The AESS will not IdleAck to the PRCM until its internal autogating |
| * is enabled. Since internal autogating is disabled by default after |
| * AESS reset, we must enable autogating after the hwmod code resets |
| * the AESS. Returns 0. |
| */ |
| int omap_hwmod_aess_preprogram(struct omap_hwmod *oh) |
| { |
| void __iomem *va; |
| |
| va = omap_hwmod_get_mpu_rt_va(oh); |
| if (!va) |
| return -EINVAL; |
| |
| aess_enable_autogating(va); |
| |
| return 0; |
| } |
