tegra20_i2s.h (7106B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * tegra20_i2s.h - Definitions for Tegra20 I2S driver 4 * 5 * Author: Stephen Warren <swarren@nvidia.com> 6 * Copyright (C) 2010,2012 - NVIDIA, Inc. 7 * 8 * Based on code copyright/by: 9 * 10 * Copyright (c) 2009-2010, NVIDIA Corporation. 11 * Scott Peterson <speterson@nvidia.com> 12 * 13 * Copyright (C) 2010 Google, Inc. 14 * Iliyan Malchev <malchev@google.com> 15 */ 16 17#ifndef __TEGRA20_I2S_H__ 18#define __TEGRA20_I2S_H__ 19 20#include "tegra_pcm.h" 21 22/* Register offsets from TEGRA20_I2S1_BASE and TEGRA20_I2S2_BASE */ 23 24#define TEGRA20_I2S_CTRL 0x00 25#define TEGRA20_I2S_STATUS 0x04 26#define TEGRA20_I2S_TIMING 0x08 27#define TEGRA20_I2S_FIFO_SCR 0x0c 28#define TEGRA20_I2S_PCM_CTRL 0x10 29#define TEGRA20_I2S_NW_CTRL 0x14 30#define TEGRA20_I2S_TDM_CTRL 0x20 31#define TEGRA20_I2S_TDM_TX_RX_CTRL 0x24 32#define TEGRA20_I2S_FIFO1 0x40 33#define TEGRA20_I2S_FIFO2 0x80 34 35/* Fields in TEGRA20_I2S_CTRL */ 36 37#define TEGRA20_I2S_CTRL_FIFO2_TX_ENABLE (1 << 30) 38#define TEGRA20_I2S_CTRL_FIFO1_ENABLE (1 << 29) 39#define TEGRA20_I2S_CTRL_FIFO2_ENABLE (1 << 28) 40#define TEGRA20_I2S_CTRL_FIFO1_RX_ENABLE (1 << 27) 41#define TEGRA20_I2S_CTRL_FIFO_LPBK_ENABLE (1 << 26) 42#define TEGRA20_I2S_CTRL_MASTER_ENABLE (1 << 25) 43 44#define TEGRA20_I2S_LRCK_LEFT_LOW 0 45#define TEGRA20_I2S_LRCK_RIGHT_LOW 1 46 47#define TEGRA20_I2S_CTRL_LRCK_SHIFT 24 48#define TEGRA20_I2S_CTRL_LRCK_MASK (1 << TEGRA20_I2S_CTRL_LRCK_SHIFT) 49#define TEGRA20_I2S_CTRL_LRCK_L_LOW (TEGRA20_I2S_LRCK_LEFT_LOW << TEGRA20_I2S_CTRL_LRCK_SHIFT) 50#define TEGRA20_I2S_CTRL_LRCK_R_LOW (TEGRA20_I2S_LRCK_RIGHT_LOW << TEGRA20_I2S_CTRL_LRCK_SHIFT) 51 52#define TEGRA20_I2S_BIT_FORMAT_I2S 0 53#define TEGRA20_I2S_BIT_FORMAT_RJM 1 54#define TEGRA20_I2S_BIT_FORMAT_LJM 2 55#define TEGRA20_I2S_BIT_FORMAT_DSP 3 56 57#define TEGRA20_I2S_CTRL_BIT_FORMAT_SHIFT 10 58#define TEGRA20_I2S_CTRL_BIT_FORMAT_MASK (3 << TEGRA20_I2S_CTRL_BIT_FORMAT_SHIFT) 59#define TEGRA20_I2S_CTRL_BIT_FORMAT_I2S (TEGRA20_I2S_BIT_FORMAT_I2S << TEGRA20_I2S_CTRL_BIT_FORMAT_SHIFT) 60#define TEGRA20_I2S_CTRL_BIT_FORMAT_RJM (TEGRA20_I2S_BIT_FORMAT_RJM << TEGRA20_I2S_CTRL_BIT_FORMAT_SHIFT) 61#define TEGRA20_I2S_CTRL_BIT_FORMAT_LJM (TEGRA20_I2S_BIT_FORMAT_LJM << TEGRA20_I2S_CTRL_BIT_FORMAT_SHIFT) 62#define TEGRA20_I2S_CTRL_BIT_FORMAT_DSP (TEGRA20_I2S_BIT_FORMAT_DSP << TEGRA20_I2S_CTRL_BIT_FORMAT_SHIFT) 63 64#define TEGRA20_I2S_BIT_SIZE_16 0 65#define TEGRA20_I2S_BIT_SIZE_20 1 66#define TEGRA20_I2S_BIT_SIZE_24 2 67#define TEGRA20_I2S_BIT_SIZE_32 3 68 69#define TEGRA20_I2S_CTRL_BIT_SIZE_SHIFT 8 70#define TEGRA20_I2S_CTRL_BIT_SIZE_MASK (3 << TEGRA20_I2S_CTRL_BIT_SIZE_SHIFT) 71#define TEGRA20_I2S_CTRL_BIT_SIZE_16 (TEGRA20_I2S_BIT_SIZE_16 << TEGRA20_I2S_CTRL_BIT_SIZE_SHIFT) 72#define TEGRA20_I2S_CTRL_BIT_SIZE_20 (TEGRA20_I2S_BIT_SIZE_20 << TEGRA20_I2S_CTRL_BIT_SIZE_SHIFT) 73#define TEGRA20_I2S_CTRL_BIT_SIZE_24 (TEGRA20_I2S_BIT_SIZE_24 << TEGRA20_I2S_CTRL_BIT_SIZE_SHIFT) 74#define TEGRA20_I2S_CTRL_BIT_SIZE_32 (TEGRA20_I2S_BIT_SIZE_32 << TEGRA20_I2S_CTRL_BIT_SIZE_SHIFT) 75 76#define TEGRA20_I2S_FIFO_16_LSB 0 77#define TEGRA20_I2S_FIFO_20_LSB 1 78#define TEGRA20_I2S_FIFO_24_LSB 2 79#define TEGRA20_I2S_FIFO_32 3 80#define TEGRA20_I2S_FIFO_PACKED 7 81 82#define TEGRA20_I2S_CTRL_FIFO_FORMAT_SHIFT 4 83#define TEGRA20_I2S_CTRL_FIFO_FORMAT_MASK (7 << TEGRA20_I2S_CTRL_FIFO_FORMAT_SHIFT) 84#define TEGRA20_I2S_CTRL_FIFO_FORMAT_16_LSB (TEGRA20_I2S_FIFO_16_LSB << TEGRA20_I2S_CTRL_FIFO_FORMAT_SHIFT) 85#define TEGRA20_I2S_CTRL_FIFO_FORMAT_20_LSB (TEGRA20_I2S_FIFO_20_LSB << TEGRA20_I2S_CTRL_FIFO_FORMAT_SHIFT) 86#define TEGRA20_I2S_CTRL_FIFO_FORMAT_24_LSB (TEGRA20_I2S_FIFO_24_LSB << TEGRA20_I2S_CTRL_FIFO_FORMAT_SHIFT) 87#define TEGRA20_I2S_CTRL_FIFO_FORMAT_32 (TEGRA20_I2S_FIFO_32 << TEGRA20_I2S_CTRL_FIFO_FORMAT_SHIFT) 88#define TEGRA20_I2S_CTRL_FIFO_FORMAT_PACKED (TEGRA20_I2S_FIFO_PACKED << TEGRA20_I2S_CTRL_FIFO_FORMAT_SHIFT) 89 90#define TEGRA20_I2S_CTRL_IE_FIFO1_ERR (1 << 3) 91#define TEGRA20_I2S_CTRL_IE_FIFO2_ERR (1 << 2) 92#define TEGRA20_I2S_CTRL_QE_FIFO1 (1 << 1) 93#define TEGRA20_I2S_CTRL_QE_FIFO2 (1 << 0) 94 95/* Fields in TEGRA20_I2S_STATUS */ 96 97#define TEGRA20_I2S_STATUS_FIFO1_RDY (1 << 31) 98#define TEGRA20_I2S_STATUS_FIFO2_RDY (1 << 30) 99#define TEGRA20_I2S_STATUS_FIFO1_BSY (1 << 29) 100#define TEGRA20_I2S_STATUS_FIFO2_BSY (1 << 28) 101#define TEGRA20_I2S_STATUS_FIFO1_ERR (1 << 3) 102#define TEGRA20_I2S_STATUS_FIFO2_ERR (1 << 2) 103#define TEGRA20_I2S_STATUS_QS_FIFO1 (1 << 1) 104#define TEGRA20_I2S_STATUS_QS_FIFO2 (1 << 0) 105 106/* Fields in TEGRA20_I2S_TIMING */ 107 108#define TEGRA20_I2S_TIMING_NON_SYM_ENABLE (1 << 12) 109#define TEGRA20_I2S_TIMING_CHANNEL_BIT_COUNT_SHIFT 0 110#define TEGRA20_I2S_TIMING_CHANNEL_BIT_COUNT_MASK_US 0x7ff 111#define TEGRA20_I2S_TIMING_CHANNEL_BIT_COUNT_MASK (TEGRA20_I2S_TIMING_CHANNEL_BIT_COUNT_MASK_US << TEGRA20_I2S_TIMING_CHANNEL_BIT_COUNT_SHIFT) 112 113/* Fields in TEGRA20_I2S_FIFO_SCR */ 114 115#define TEGRA20_I2S_FIFO_SCR_FIFO2_FULL_EMPTY_COUNT_SHIFT 24 116#define TEGRA20_I2S_FIFO_SCR_FIFO1_FULL_EMPTY_COUNT_SHIFT 16 117#define TEGRA20_I2S_FIFO_SCR_FIFO_FULL_EMPTY_COUNT_MASK 0x3f 118 119#define TEGRA20_I2S_FIFO_SCR_FIFO2_CLR (1 << 12) 120#define TEGRA20_I2S_FIFO_SCR_FIFO1_CLR (1 << 8) 121 122#define TEGRA20_I2S_FIFO_ATN_LVL_ONE_SLOT 0 123#define TEGRA20_I2S_FIFO_ATN_LVL_FOUR_SLOTS 1 124#define TEGRA20_I2S_FIFO_ATN_LVL_EIGHT_SLOTS 2 125#define TEGRA20_I2S_FIFO_ATN_LVL_TWELVE_SLOTS 3 126 127#define TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT 4 128#define TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_MASK (3 << TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT) 129#define TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_ONE_SLOT (TEGRA20_I2S_FIFO_ATN_LVL_ONE_SLOT << TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT) 130#define TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_FOUR_SLOTS (TEGRA20_I2S_FIFO_ATN_LVL_FOUR_SLOTS << TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT) 131#define TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_EIGHT_SLOTS (TEGRA20_I2S_FIFO_ATN_LVL_EIGHT_SLOTS << TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT) 132#define TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_TWELVE_SLOTS (TEGRA20_I2S_FIFO_ATN_LVL_TWELVE_SLOTS << TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT) 133 134#define TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT 0 135#define TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_MASK (3 << TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT) 136#define TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_ONE_SLOT (TEGRA20_I2S_FIFO_ATN_LVL_ONE_SLOT << TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT) 137#define TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_FOUR_SLOTS (TEGRA20_I2S_FIFO_ATN_LVL_FOUR_SLOTS << TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT) 138#define TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_EIGHT_SLOTS (TEGRA20_I2S_FIFO_ATN_LVL_EIGHT_SLOTS << TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT) 139#define TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_TWELVE_SLOTS (TEGRA20_I2S_FIFO_ATN_LVL_TWELVE_SLOTS << TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT) 140 141struct tegra20_i2s { 142 struct snd_soc_dai_driver dai; 143 struct clk *clk_i2s; 144 struct snd_dmaengine_dai_dma_data capture_dma_data; 145 struct snd_dmaengine_dai_dma_data playback_dma_data; 146 struct regmap *regmap; 147 struct reset_control *reset; 148}; 149 150#endif