linux/sound/soc/codecs/tas2552.h
Peter Ujfalusi d20b098dd9 ASoC: tas2552: Add support for word length configuration
Configure the word length based on the params_width of the stream.
Also configure the clock per frame value which is used when tas2552 is bus
master.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-06-05 18:53:36 +01:00

141 lines
4.6 KiB
C

/*
* tas2552.h - ALSA SoC Texas Instruments TAS2552 Mono Audio Amplifier
*
* Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com
*
* Author: Dan Murphy <dmurphy@ti.com>
*
* 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 __TAS2552_H__
#define __TAS2552_H__
/* Register Address Map */
#define TAS2552_DEVICE_STATUS 0x00
#define TAS2552_CFG_1 0x01
#define TAS2552_CFG_2 0x02
#define TAS2552_CFG_3 0x03
#define TAS2552_DOUT 0x04
#define TAS2552_SER_CTRL_1 0x05
#define TAS2552_SER_CTRL_2 0x06
#define TAS2552_OUTPUT_DATA 0x07
#define TAS2552_PLL_CTRL_1 0x08
#define TAS2552_PLL_CTRL_2 0x09
#define TAS2552_PLL_CTRL_3 0x0a
#define TAS2552_BTIP 0x0b
#define TAS2552_BTS_CTRL 0x0c
#define TAS2552_RESERVED_0D 0x0d
#define TAS2552_LIMIT_RATE_HYS 0x0e
#define TAS2552_LIMIT_RELEASE 0x0f
#define TAS2552_LIMIT_INT_COUNT 0x10
#define TAS2552_PDM_CFG 0x11
#define TAS2552_PGA_GAIN 0x12
#define TAS2552_EDGE_RATE_CTRL 0x13
#define TAS2552_BOOST_PT_CTRL 0x14
#define TAS2552_VER_NUM 0x16
#define TAS2552_VBAT_DATA 0x19
#define TAS2552_MAX_REG 0x20
/* CFG1 Register Masks */
#define TAS2552_DEV_RESET (1 << 0)
#define TAS2552_SWS (1 << 1)
#define TAS2552_MUTE (1 << 2)
#define TAS2552_PLL_SRC_MCLK (0x0 << 4)
#define TAS2552_PLL_SRC_BCLK (0x1 << 4)
#define TAS2552_PLL_SRC_IVCLKIN (0x2 << 4)
#define TAS2552_PLL_SRC_1_8_FIXED (0x3 << 4)
#define TAS2552_PLL_SRC_MASK TAS2552_PLL_SRC_1_8_FIXED
/* CFG2 Register Masks */
#define TAS2552_CLASSD_EN (1 << 7)
#define TAS2552_BOOST_EN (1 << 6)
#define TAS2552_APT_EN (1 << 5)
#define TAS2552_PLL_ENABLE (1 << 3)
#define TAS2552_LIM_EN (1 << 2)
#define TAS2552_IVSENSE_EN (1 << 1)
/* DOUT Register Masks */
#define TAS2552_SDOUT_TRISTATE (1 << 2)
/* Serial Interface Control Register Masks */
#define TAS2552_WORDLENGTH_16BIT (0x0 << 0)
#define TAS2552_WORDLENGTH_20BIT (0x1 << 0)
#define TAS2552_WORDLENGTH_24BIT (0x2 << 0)
#define TAS2552_WORDLENGTH_32BIT (0x3 << 0)
#define TAS2552_WORDLENGTH_MASK TAS2552_WORDLENGTH_32BIT
#define TAS2552_DATAFORMAT_I2S (0x0 << 2)
#define TAS2552_DATAFORMAT_DSP (0x1 << 2)
#define TAS2552_DATAFORMAT_RIGHT_J (0x2 << 2)
#define TAS2552_DATAFORMAT_LEFT_J (0x3 << 2)
#define TAS2552_DATAFORMAT_MASK TAS2552_DATAFORMAT_LEFT_J
#define TAS2552_CLKSPERFRAME_32 (0x0 << 4)
#define TAS2552_CLKSPERFRAME_64 (0x1 << 4)
#define TAS2552_CLKSPERFRAME_128 (0x2 << 4)
#define TAS2552_CLKSPERFRAME_256 (0x3 << 4)
#define TAS2552_CLKSPERFRAME_MASK TAS2552_CLKSPERFRAME_256
#define TAS2552_BCLKDIR (1 << 6)
#define TAS2552_WCLKDIR (1 << 7)
#define TAS2552_DIN_SRC_SEL_MUTED 0x00
#define TAS2552_DIN_SRC_SEL_LEFT (1 << 4)
#define TAS2552_DIN_SRC_SEL_RIGHT (1 << 5)
#define TAS2552_DIN_SRC_SEL_AVG_L_R (0x11 << 4)
#define TAS2552_PDM_IN_SEL (1 << 5)
#define TAS2552_I2S_OUT_SEL (1 << 6)
#define TAS2552_ANALOG_IN_SEL (1 << 7)
/* CFG3 WCLK Dividers */
#define TAS2552_8KHZ 0x00
#define TAS2552_11_12KHZ (1 << 1)
#define TAS2552_16KHZ (1 << 2)
#define TAS2552_22_24KHZ (1 << 3)
#define TAS2552_32KHZ (1 << 4)
#define TAS2552_44_48KHZ (1 << 5)
#define TAS2552_88_96KHZ (1 << 6)
#define TAS2552_176_192KHZ (1 << 7)
/* OUTPUT_DATA register */
#define TAS2552_PDM_DATA_I 0x00
#define TAS2552_PDM_DATA_V (1 << 6)
#define TAS2552_PDM_DATA_I_V (1 << 7)
#define TAS2552_PDM_DATA_V_I (0x11 << 6)
/* PDM CFG Register */
#define TAS2552_PDM_CLK_SEL_PLL (0x0 << 0)
#define TAS2552_PDM_CLK_SEL_IVCLKIN (0x1 << 0)
#define TAS2552_PDM_CLK_SEL_BCLK (0x2 << 0)
#define TAS2552_PDM_CLK_SEL_MCLK (0x3 << 0)
#define TAS2552_PDM_CLK_SEL_MASK TAS2552_PDM_CLK_SEL_MCLK
#define TAS2552_PDM_DATA_ES (1 << 2)
/* Boost pass-through register */
#define TAS2552_APT_DELAY_50 0x00
#define TAS2552_APT_DELAY_75 (1 << 1)
#define TAS2552_APT_DELAY_125 (1 << 2)
#define TAS2552_APT_DELAY_200 (1 << 3)
#define TAS2552_APT_THRESH_2_5 0x00
#define TAS2552_APT_THRESH_1_7 (1 << 3)
#define TAS2552_APT_THRESH_1_4_1_1 (1 << 4)
#define TAS2552_APT_THRESH_2_1_7 (0x11 << 2)
/* PLL Control Register */
#define TAS2552_245MHZ_CLK 24576000
#define TAS2552_225MHZ_CLK 22579200
#define TAS2552_PLL_J_MASK 0x7f
#define TAS2552_PLL_D_UPPER_MASK 0x3f
#define TAS2552_PLL_D_LOWER_MASK 0xff
#define TAS2552_PLL_BYPASS_MASK 0x80
#define TAS2552_PLL_BYPASS 0x80
#endif