sound/soc/tegra/tegra_asoc_utils.h

   1 /*
   2  * tegra_asoc_utils.h - Definitions for Tegra DAS driver
   3  *
   4  * Author: Stephen Warren <swarren@nvidia.com>
   5  * Copyright (C) 2010,2012 - NVIDIA, Inc.
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * version 2 as published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  19  * 02110-1301 USA
  20  *
  21  */
  22
  23 #ifndef __TEGRA_ASOC_UTILS_H__
  24 #define __TEGRA_ASOC_UTILS_H_
  25
  26 struct clk;
  27 struct device;
  28
  29 enum tegra_asoc_utils_soc {
  30         TEGRA_ASOC_UTILS_SOC_TEGRA20,
  31         TEGRA_ASOC_UTILS_SOC_TEGRA30,
  32         TEGRA_ASOC_UTILS_SOC_TEGRA114,
  33 };
  34
  35 struct tegra_asoc_utils_data {
  36         struct device *dev;
  37         enum tegra_asoc_utils_soc soc;
  38         struct clk *clk_pll_a;
  39         struct clk *clk_pll_a_out0;
  40         struct clk *clk_cdev1;
  41         int set_baseclock;
  42         int set_mclk;
  43 };
  44
  45 int tegra_asoc_utils_set_rate(struct tegra_asoc_utils_data *data, int srate,
  46                               int mclk);
  47 int tegra_asoc_utils_set_ac97_rate(struct tegra_asoc_utils_data *data);
  48 int tegra_asoc_utils_init(struct tegra_asoc_utils_data *data,
  49                           struct device *dev);
  50 void tegra_asoc_utils_fini(struct tegra_asoc_utils_data *data);
  51
  52 #endif