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Release 4.7 sound/soc/tegra/tegra20_ac97.h

Directory: sound/soc/tegra
/*
 * tegra20_ac97.h - Definitions for the Tegra20 AC97 controller driver
 *
 * Copyright (c) 2012 Lucas Stach <dev@lynxeye.de>
 *
 * Partly based on code copyright/by:
 *
 * Copyright (c) 2011,2012 Toradex Inc.
 *
 * 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.
 *
 */

#ifndef __TEGRA20_AC97_H__

#define __TEGRA20_AC97_H__

#include "tegra_pcm.h"


#define TEGRA20_AC97_CTRL				0x00

#define TEGRA20_AC97_CMD				0x04

#define TEGRA20_AC97_STATUS1				0x08
/* ... */

#define TEGRA20_AC97_FIFO1_SCR				0x1c
/* ... */

#define TEGRA20_AC97_FIFO_TX1				0x40

#define TEGRA20_AC97_FIFO_RX1				0x80

/* TEGRA20_AC97_CTRL */

#define TEGRA20_AC97_CTRL_STM2_EN			(1 << 16)

#define TEGRA20_AC97_CTRL_DOUBLE_SAMPLING_EN		(1 << 11)

#define TEGRA20_AC97_CTRL_IO_CNTRL_EN			(1 << 10)

#define TEGRA20_AC97_CTRL_HSET_DAC_EN			(1 << 9)

#define TEGRA20_AC97_CTRL_LINE2_DAC_EN			(1 << 8)

#define TEGRA20_AC97_CTRL_PCM_LFE_EN			(1 << 7)

#define TEGRA20_AC97_CTRL_PCM_SUR_EN			(1 << 6)

#define TEGRA20_AC97_CTRL_PCM_CEN_DAC_EN		(1 << 5)

#define TEGRA20_AC97_CTRL_LINE1_DAC_EN			(1 << 4)

#define TEGRA20_AC97_CTRL_PCM_DAC_EN			(1 << 3)

#define TEGRA20_AC97_CTRL_COLD_RESET			(1 << 2)

#define TEGRA20_AC97_CTRL_WARM_RESET			(1 << 1)

#define TEGRA20_AC97_CTRL_STM_EN			(1 << 0)

/* TEGRA20_AC97_CMD */

#define TEGRA20_AC97_CMD_CMD_ADDR_SHIFT			24

#define TEGRA20_AC97_CMD_CMD_ADDR_MASK			(0xff << TEGRA20_AC97_CMD_CMD_ADDR_SHIFT)

#define TEGRA20_AC97_CMD_CMD_DATA_SHIFT			8

#define TEGRA20_AC97_CMD_CMD_DATA_MASK			(0xffff << TEGRA20_AC97_CMD_CMD_DATA_SHIFT)

#define TEGRA20_AC97_CMD_CMD_ID_SHIFT			2

#define TEGRA20_AC97_CMD_CMD_ID_MASK			(0x3 << TEGRA20_AC97_CMD_CMD_ID_SHIFT)

#define TEGRA20_AC97_CMD_BUSY				(1 << 0)

/* TEGRA20_AC97_STATUS1 */

#define TEGRA20_AC97_STATUS1_STA_ADDR1_SHIFT		24

#define TEGRA20_AC97_STATUS1_STA_ADDR1_MASK		(0xff << TEGRA20_AC97_STATUS1_STA_ADDR1_SHIFT)

#define TEGRA20_AC97_STATUS1_STA_DATA1_SHIFT		8

#define TEGRA20_AC97_STATUS1_STA_DATA1_MASK		(0xffff << TEGRA20_AC97_STATUS1_STA_DATA1_SHIFT)

#define TEGRA20_AC97_STATUS1_STA_VALID1			(1 << 2)

#define TEGRA20_AC97_STATUS1_STANDBY1			(1 << 1)

#define TEGRA20_AC97_STATUS1_CODEC1_RDY			(1 << 0)

/* TEGRA20_AC97_FIFO1_SCR */

#define TEGRA20_AC97_FIFO_SCR_REC_MT_CNT_SHIFT		27

#define TEGRA20_AC97_FIFO_SCR_REC_MT_CNT_MASK		(0x1f << TEGRA20_AC97_FIFO_SCR_REC_MT_CNT_SHIFT)

#define TEGRA20_AC97_FIFO_SCR_PB_MT_CNT_SHIFT		22

#define TEGRA20_AC97_FIFO_SCR_PB_MT_CNT_MASK		(0x1f << TEGRA20_AC97_FIFO_SCR_PB_MT_CNT_SHIFT)

#define TEGRA20_AC97_FIFO_SCR_REC_OVERRUN_INT_STA	(1 << 19)

#define TEGRA20_AC97_FIFO_SCR_PB_UNDERRUN_INT_STA	(1 << 18)

#define TEGRA20_AC97_FIFO_SCR_REC_FORCE_MT		(1 << 17)

#define TEGRA20_AC97_FIFO_SCR_PB_FORCE_MT		(1 << 16)

#define TEGRA20_AC97_FIFO_SCR_REC_FULL_EN		(1 << 15)

#define TEGRA20_AC97_FIFO_SCR_REC_3QRT_FULL_EN		(1 << 14)

#define TEGRA20_AC97_FIFO_SCR_REC_QRT_FULL_EN		(1 << 13)

#define TEGRA20_AC97_FIFO_SCR_REC_EMPTY_EN		(1 << 12)

#define TEGRA20_AC97_FIFO_SCR_PB_NOT_FULL_EN		(1 << 11)

#define TEGRA20_AC97_FIFO_SCR_PB_QRT_MT_EN		(1 << 10)

#define TEGRA20_AC97_FIFO_SCR_PB_3QRT_MT_EN		(1 << 9)

#define TEGRA20_AC97_FIFO_SCR_PB_EMPTY_MT_EN		(1 << 8)


struct tegra20_ac97 {
	
struct clk *clk_ac97;
	
struct snd_dmaengine_dai_dma_data capture_dma_data;
	
struct snd_dmaengine_dai_dma_data playback_dma_data;
	
struct regmap *regmap;
	
int reset_gpio;
	
int sync_gpio;
};
#endif /* __TEGRA20_AC97_H__ */

Overall Contributors

PersonTokensPropCommitsCommitProp
lucas stachlucas stach24299.18%150.00%
lars-peter clausenlars-peter clausen20.82%150.00%
Total244100.00%2100.00%
Directory: sound/soc/tegra
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