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130 lines
3.9 KiB
C
130 lines
3.9 KiB
C
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/*
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* tas2552.h - ALSA SoC Texas Instruments TAS2552 Mono Audio Amplifier
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*
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* Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com
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*
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* Author: Dan Murphy <dmurphy@ti.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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#ifndef __TAS2552_H__
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#define __TAS2552_H__
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/* Register Address Map */
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#define TAS2552_DEVICE_STATUS 0x00
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#define TAS2552_CFG_1 0x01
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#define TAS2552_CFG_2 0x02
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#define TAS2552_CFG_3 0x03
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#define TAS2552_DOUT 0x04
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#define TAS2552_SER_CTRL_1 0x05
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#define TAS2552_SER_CTRL_2 0x06
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#define TAS2552_OUTPUT_DATA 0x07
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#define TAS2552_PLL_CTRL_1 0x08
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#define TAS2552_PLL_CTRL_2 0x09
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#define TAS2552_PLL_CTRL_3 0x0a
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#define TAS2552_BTIP 0x0b
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#define TAS2552_BTS_CTRL 0x0c
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#define TAS2552_RESERVED_0D 0x0d
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#define TAS2552_LIMIT_RATE_HYS 0x0e
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#define TAS2552_LIMIT_RELEASE 0x0f
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#define TAS2552_LIMIT_INT_COUNT 0x10
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#define TAS2552_PDM_CFG 0x11
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#define TAS2552_PGA_GAIN 0x12
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#define TAS2552_EDGE_RATE_CTRL 0x13
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#define TAS2552_BOOST_PT_CTRL 0x14
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#define TAS2552_VER_NUM 0x16
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#define TAS2552_VBAT_DATA 0x19
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#define TAS2552_MAX_REG 0x20
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/* CFG1 Register Masks */
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#define TAS2552_MUTE_MASK (1 << 2)
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#define TAS2552_SWS_MASK (1 << 1)
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#define TAS2552_WCLK_MASK 0x07
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#define TAS2552_CLASSD_EN_MASK (1 << 7)
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/* CFG2 Register Masks */
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#define TAS2552_CLASSD_EN (1 << 7)
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#define TAS2552_BOOST_EN (1 << 6)
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#define TAS2552_APT_EN (1 << 5)
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#define TAS2552_PLL_ENABLE (1 << 3)
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#define TAS2552_LIM_EN (1 << 2)
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#define TAS2552_IVSENSE_EN (1 << 1)
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/* CFG3 Register Masks */
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#define TAS2552_WORD_CLK_MASK (1 << 7)
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#define TAS2552_BIT_CLK_MASK (1 << 6)
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#define TAS2552_DATA_FORMAT_MASK (0x11 << 2)
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#define TAS2552_DAIFMT_I2S_MASK 0xf3
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#define TAS2552_DAIFMT_DSP (1 << 3)
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#define TAS2552_DAIFMT_RIGHT_J (1 << 4)
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#define TAS2552_DAIFMT_LEFT_J (0x11 << 3)
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#define TAS2552_PLL_SRC_MCLK 0x00
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#define TAS2552_PLL_SRC_BCLK (1 << 3)
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#define TAS2552_PLL_SRC_IVCLKIN (1 << 4)
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#define TAS2552_PLL_SRC_1_8_FIXED (0x11 << 3)
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#define TAS2552_DIN_SRC_SEL_MUTED 0x00
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#define TAS2552_DIN_SRC_SEL_LEFT (1 << 4)
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#define TAS2552_DIN_SRC_SEL_RIGHT (1 << 5)
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#define TAS2552_DIN_SRC_SEL_AVG_L_R (0x11 << 4)
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#define TAS2552_PDM_IN_SEL (1 << 5)
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#define TAS2552_I2S_OUT_SEL (1 << 6)
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#define TAS2552_ANALOG_IN_SEL (1 << 7)
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/* CFG3 WCLK Dividers */
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#define TAS2552_8KHZ 0x00
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#define TAS2552_11_12KHZ (1 << 1)
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#define TAS2552_16KHZ (1 << 2)
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#define TAS2552_22_24KHZ (1 << 3)
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#define TAS2552_32KHZ (1 << 4)
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#define TAS2552_44_48KHZ (1 << 5)
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#define TAS2552_88_96KHZ (1 << 6)
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#define TAS2552_176_192KHZ (1 << 7)
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/* OUTPUT_DATA register */
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#define TAS2552_PDM_DATA_I 0x00
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#define TAS2552_PDM_DATA_V (1 << 6)
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#define TAS2552_PDM_DATA_I_V (1 << 7)
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#define TAS2552_PDM_DATA_V_I (0x11 << 6)
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/* PDM CFG Register */
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#define TAS2552_PDM_DATA_ES_RISE 0x4
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#define TAS2552_PDM_PLL_CLK_SEL 0x00
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#define TAS2552_PDM_IV_CLK_SEL (1 << 1)
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#define TAS2552_PDM_BCLK_SEL (1 << 2)
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#define TAS2552_PDM_MCLK_SEL (1 << 3)
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/* Boost pass-through register */
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#define TAS2552_APT_DELAY_50 0x00
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#define TAS2552_APT_DELAY_75 (1 << 1)
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#define TAS2552_APT_DELAY_125 (1 << 2)
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#define TAS2552_APT_DELAY_200 (1 << 3)
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#define TAS2552_APT_THRESH_2_5 0x00
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#define TAS2552_APT_THRESH_1_7 (1 << 3)
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#define TAS2552_APT_THRESH_1_4_1_1 (1 << 4)
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#define TAS2552_APT_THRESH_2_1_7 (0x11 << 2)
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/* PLL Control Register */
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#define TAS2552_245MHZ_CLK 24576000
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#define TAS2552_225MHZ_CLK 22579200
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#define TAS2552_PLL_J_MASK 0x7f
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#define TAS2552_PLL_D_UPPER_MASK 0x3f
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#define TAS2552_PLL_D_LOWER_MASK 0xff
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#define TAS2552_PLL_BYPASS_MASK 0x80
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#define TAS2552_PLL_BYPASS 0x80
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#endif
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