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/*
* tegra_soc.h -- SoC audio for tegra
*
* Copyright (c) 2009-2011, NVIDIA Corporation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; 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 __TEGRA_AUDIO__
#define __TEGRA_AUDIO__
#include <linux/init.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/jiffies.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/dma-mapping.h>
#include <linux/kthread.h>
#include <linux/moduleparam.h>
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/i2c.h>
#include <linux/tegra_audio.h>
#include <linux/regulator/consumer.h>
#include <mach/iomap.h>
#include <mach/audio_manager.h>
#include <mach/irqs.h>
#include <mach/pinmux.h>
#include <mach/audio.h>
#include <mach/tegra_das.h>
#include <mach/dma.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/initval.h>
#include <sound/soc.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc-dapm.h>
#include <sound/soc-dai.h>
#include <sound/tlv.h>
#include <asm/io.h>
#include <asm/mach-types.h>
#include <asm/hardware/scoop.h>
#ifdef CONFIG_HAS_WAKELOCK
#include <linux/wakelock.h>
#endif
#define STATE_INIT 0
#define STATE_ABORT 1
#define STATE_EXIT 2
#define STATE_EXITED 3
#define STATE_INVALID 4
#define I2S1_CLK 11289600
#define I2S2_CLK 2000000
#define TEGRA_DEFAULT_SR 44100
#define TEGRA_INT_I2SLOOPBACK_ON 1
#define TEGRA_INT_I2SLOOPBACK_OFF 0
#define TEGRA_SAMPLE_RATES (SNDRV_PCM_RATE_8000_96000)
#define TEGRA_VOICE_SAMPLE_RATES SNDRV_PCM_RATE_8000
#define DMA_STEP_SIZE_MIN 8
#define DMA_REQ_QCOUNT 2
#define TEGRA_AUDIO_OFF 0x0
#define TEGRA_HEADPHONE 0x1
#define TEGRA_LINEOUT 0x2
#define TEGRA_SPK 0x4
#define TEGRA_EAR_SPK 0x8
#define TEGRA_INT_MIC 0x10
#define TEGRA_EXT_MIC 0x20
#define TEGRA_LINEIN 0x40
#define TEGRA_HEADSET_OUT 0x80
#define TEGRA_HEADSET_IN 0x100
struct tegra_dma_channel;
struct tegra_runtime_data {
struct snd_pcm_substream *substream;
int size;
int dma_pos;
int dma_tail_idx;
int dma_head_idx;
int period_index;
int dma_state;
struct tegra_dma_req dma_req[DMA_REQ_QCOUNT];
struct tegra_dma_channel *dma_chan;
#ifdef CONFIG_HAS_WAKELOCK
struct wake_lock wake_lock;
char wake_lock_name[32];
#endif
};
struct tegra_audio_data {
struct snd_soc_codec *codec;
struct clk *dap_mclk;
bool init_done;
int play_device;
int capture_device;
bool is_call_mode;
int codec_con;
};
/* i2s controller */
struct tegra_i2s_info {
struct platform_device *pdev;
struct tegra_audio_platform_data *pdata;
unsigned int bit_format;
bool i2s_master;
int ref_count;
aud_dev_info i2sdev_info;
struct das_regs_cache das_regs;
};
void tegra_ext_control(struct snd_soc_codec *codec, int new_con);
int tegra_controls_init(struct snd_soc_codec *codec);
int tegra_jack_init(struct snd_soc_codec *codec);
void tegra_jack_exit(void);
void tegra_jack_resume(void);
void tegra_switch_set_state(int state);
void setup_i2s_dma_request(struct snd_pcm_substream *substream,
struct tegra_dma_req *req,
void (*dma_callback)(struct tegra_dma_req *req),
void *dma_data);
void free_i2s_dma_request(struct snd_pcm_substream *substream);
void setup_spdif_dma_request(struct snd_pcm_substream *substream,
struct tegra_dma_req *req,
void (*dma_callback)(struct tegra_dma_req *req),
void *dma_data);
void free_spdif_dma_request(struct snd_pcm_substream *substream);
#endif
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