LXR linux/sound/soc/tegra/tegra_asoc

   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
  26struct clk;
  27struct device;
  28
  29enum tegra_asoc_utils_soc {
  30        TEGRA_ASOC_UTILS_SOC_TEGRA20,
  31        TEGRA_ASOC_UTILS_SOC_TEGRA30,
  32        TEGRA_ASOC_UTILS_SOC_TEGRA114,
  33        TEGRA_ASOC_UTILS_SOC_TEGRA124,
  34};
  35
  36struct tegra_asoc_utils_data {
  37        struct device *dev;
  38        enum tegra_asoc_utils_soc soc;
  39        struct clk *clk_pll_a;
  40        struct clk *clk_pll_a_out0;
  41        struct clk *clk_cdev1;
  42        int set_baseclock;
  43        int set_mclk;
  44};
  45
  46int tegra_asoc_utils_set_rate(struct tegra_asoc_utils_data *data, int srate,
  47                              int mclk);
  48int tegra_asoc_utils_set_ac97_rate(struct tegra_asoc_utils_data *data);
  49int tegra_asoc_utils_init(struct tegra_asoc_utils_data *data,
  50                          struct device *dev);
  51void tegra_asoc_utils_fini(struct tegra_asoc_utils_data *data);
  52
  53#endif
  54