xref: /kernel/linux/linux-5.10/sound/soc/tegra/tegra210_admaif.h (revision 8c2ecf20)

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * tegra210_admaif.h - Tegra ADMAIF registers
 *
 * Copyright (c) 2020 NVIDIA CORPORATION.  All rights reserved.
 *
 */

#ifndef __TEGRA_ADMAIF_H__
#define __TEGRA_ADMAIF_H__

#define TEGRA_ADMAIF_CHANNEL_REG_STRIDE			0x40
/* Tegra210 specific */
#define TEGRA210_ADMAIF_LAST_REG			0x75f
#define TEGRA210_ADMAIF_CHANNEL_COUNT			10
#define TEGRA210_ADMAIF_RX_BASE				0x0
#define TEGRA210_ADMAIF_TX_BASE				0x300
#define TEGRA210_ADMAIF_GLOBAL_BASE			0x700
/* Tegra186 specific */
#define TEGRA186_ADMAIF_LAST_REG			0xd5f
#define TEGRA186_ADMAIF_CHANNEL_COUNT			20
#define TEGRA186_ADMAIF_RX_BASE				0x0
#define TEGRA186_ADMAIF_TX_BASE				0x500
#define TEGRA186_ADMAIF_GLOBAL_BASE			0xd00
/* Global registers */
#define TEGRA_ADMAIF_GLOBAL_ENABLE			0x0
#define TEGRA_ADMAIF_GLOBAL_CG_0			0x8
#define TEGRA_ADMAIF_GLOBAL_STATUS			0x10
#define TEGRA_ADMAIF_GLOBAL_RX_ENABLE_STATUS		0x20
#define TEGRA_ADMAIF_GLOBAL_TX_ENABLE_STATUS		0x24
/* RX channel registers */
#define TEGRA_ADMAIF_RX_ENABLE				0x0
#define TEGRA_ADMAIF_RX_SOFT_RESET			0x4
#define TEGRA_ADMAIF_RX_STATUS				0xc
#define TEGRA_ADMAIF_RX_INT_STATUS			0x10
#define TEGRA_ADMAIF_RX_INT_MASK			0x14
#define TEGRA_ADMAIF_RX_INT_SET				0x18
#define TEGRA_ADMAIF_RX_INT_CLEAR			0x1c
#define TEGRA_ADMAIF_CH_ACIF_RX_CTRL			0x20
#define TEGRA_ADMAIF_RX_FIFO_CTRL			0x28
#define TEGRA_ADMAIF_RX_FIFO_READ			0x2c
/* TX channel registers */
#define TEGRA_ADMAIF_TX_ENABLE				0x0
#define TEGRA_ADMAIF_TX_SOFT_RESET			0x4
#define TEGRA_ADMAIF_TX_STATUS				0xc
#define TEGRA_ADMAIF_TX_INT_STATUS			0x10
#define TEGRA_ADMAIF_TX_INT_MASK			0x14
#define TEGRA_ADMAIF_TX_INT_SET				0x18
#define TEGRA_ADMAIF_TX_INT_CLEAR			0x1c
#define TEGRA_ADMAIF_CH_ACIF_TX_CTRL			0x20
#define TEGRA_ADMAIF_TX_FIFO_CTRL			0x28
#define TEGRA_ADMAIF_TX_FIFO_WRITE			0x2c
/* Bit fields */
#define PACK8_EN_SHIFT					31
#define PACK8_EN_MASK					BIT(PACK8_EN_SHIFT)
#define PACK8_EN					BIT(PACK8_EN_SHIFT)
#define PACK16_EN_SHIFT					30
#define PACK16_EN_MASK					BIT(PACK16_EN_SHIFT)
#define PACK16_EN					BIT(PACK16_EN_SHIFT)
#define TX_ENABLE_SHIFT					0
#define TX_ENABLE_MASK					BIT(TX_ENABLE_SHIFT)
#define TX_ENABLE					BIT(TX_ENABLE_SHIFT)
#define RX_ENABLE_SHIFT					0
#define RX_ENABLE_MASK					BIT(RX_ENABLE_SHIFT)
#define RX_ENABLE					BIT(RX_ENABLE_SHIFT)
#define SW_RESET_MASK					1
#define SW_RESET					1
/* Default values - Tegra210 */
#define TEGRA210_ADMAIF_RX1_FIFO_CTRL_REG_DEFAULT	0x00000300
#define TEGRA210_ADMAIF_RX2_FIFO_CTRL_REG_DEFAULT	0x00000304
#define TEGRA210_ADMAIF_RX3_FIFO_CTRL_REG_DEFAULT	0x00000208
#define TEGRA210_ADMAIF_RX4_FIFO_CTRL_REG_DEFAULT	0x0000020b
#define TEGRA210_ADMAIF_RX5_FIFO_CTRL_REG_DEFAULT	0x0000020e
#define TEGRA210_ADMAIF_RX6_FIFO_CTRL_REG_DEFAULT	0x00000211
#define TEGRA210_ADMAIF_RX7_FIFO_CTRL_REG_DEFAULT	0x00000214
#define TEGRA210_ADMAIF_RX8_FIFO_CTRL_REG_DEFAULT	0x00000217
#define TEGRA210_ADMAIF_RX9_FIFO_CTRL_REG_DEFAULT	0x0000021a
#define TEGRA210_ADMAIF_RX10_FIFO_CTRL_REG_DEFAULT	0x0000021d
#define TEGRA210_ADMAIF_TX1_FIFO_CTRL_REG_DEFAULT	0x02000300
#define TEGRA210_ADMAIF_TX2_FIFO_CTRL_REG_DEFAULT	0x02000304
#define TEGRA210_ADMAIF_TX3_FIFO_CTRL_REG_DEFAULT	0x01800208
#define TEGRA210_ADMAIF_TX4_FIFO_CTRL_REG_DEFAULT	0x0180020b
#define TEGRA210_ADMAIF_TX5_FIFO_CTRL_REG_DEFAULT	0x0180020e
#define TEGRA210_ADMAIF_TX6_FIFO_CTRL_REG_DEFAULT	0x01800211
#define TEGRA210_ADMAIF_TX7_FIFO_CTRL_REG_DEFAULT	0x01800214
#define TEGRA210_ADMAIF_TX8_FIFO_CTRL_REG_DEFAULT	0x01800217
#define TEGRA210_ADMAIF_TX9_FIFO_CTRL_REG_DEFAULT	0x0180021a
#define TEGRA210_ADMAIF_TX10_FIFO_CTRL_REG_DEFAULT	0x0180021d
/* Default values - Tegra186 */
#define TEGRA186_ADMAIF_RX1_FIFO_CTRL_REG_DEFAULT	0x00000300
#define TEGRA186_ADMAIF_RX2_FIFO_CTRL_REG_DEFAULT	0x00000304
#define TEGRA186_ADMAIF_RX3_FIFO_CTRL_REG_DEFAULT	0x00000308
#define TEGRA186_ADMAIF_RX4_FIFO_CTRL_REG_DEFAULT	0x0000030c
#define TEGRA186_ADMAIF_RX5_FIFO_CTRL_REG_DEFAULT	0x00000210
#define TEGRA186_ADMAIF_RX6_FIFO_CTRL_REG_DEFAULT	0x00000213
#define TEGRA186_ADMAIF_RX7_FIFO_CTRL_REG_DEFAULT	0x00000216
#define TEGRA186_ADMAIF_RX8_FIFO_CTRL_REG_DEFAULT	0x00000219
#define TEGRA186_ADMAIF_RX9_FIFO_CTRL_REG_DEFAULT	0x0000021c
#define TEGRA186_ADMAIF_RX10_FIFO_CTRL_REG_DEFAULT	0x0000021f
#define TEGRA186_ADMAIF_RX11_FIFO_CTRL_REG_DEFAULT	0x00000222
#define TEGRA186_ADMAIF_RX12_FIFO_CTRL_REG_DEFAULT	0x00000225
#define TEGRA186_ADMAIF_RX13_FIFO_CTRL_REG_DEFAULT	0x00000228
#define TEGRA186_ADMAIF_RX14_FIFO_CTRL_REG_DEFAULT	0x0000022b
#define TEGRA186_ADMAIF_RX15_FIFO_CTRL_REG_DEFAULT	0x0000022e
#define TEGRA186_ADMAIF_RX16_FIFO_CTRL_REG_DEFAULT	0x00000231
#define TEGRA186_ADMAIF_RX17_FIFO_CTRL_REG_DEFAULT	0x00000234
#define TEGRA186_ADMAIF_RX18_FIFO_CTRL_REG_DEFAULT	0x00000237
#define TEGRA186_ADMAIF_RX19_FIFO_CTRL_REG_DEFAULT	0x0000023a
#define TEGRA186_ADMAIF_RX20_FIFO_CTRL_REG_DEFAULT	0x0000023d
#define TEGRA186_ADMAIF_TX1_FIFO_CTRL_REG_DEFAULT	0x02000300
#define TEGRA186_ADMAIF_TX2_FIFO_CTRL_REG_DEFAULT	0x02000304
#define TEGRA186_ADMAIF_TX3_FIFO_CTRL_REG_DEFAULT	0x02000308
#define TEGRA186_ADMAIF_TX4_FIFO_CTRL_REG_DEFAULT	0x0200030c
#define TEGRA186_ADMAIF_TX5_FIFO_CTRL_REG_DEFAULT	0x01800210
#define TEGRA186_ADMAIF_TX6_FIFO_CTRL_REG_DEFAULT	0x01800213
#define TEGRA186_ADMAIF_TX7_FIFO_CTRL_REG_DEFAULT	0x01800216
#define TEGRA186_ADMAIF_TX8_FIFO_CTRL_REG_DEFAULT	0x01800219
#define TEGRA186_ADMAIF_TX9_FIFO_CTRL_REG_DEFAULT	0x0180021c
#define TEGRA186_ADMAIF_TX10_FIFO_CTRL_REG_DEFAULT	0x0180021f
#define TEGRA186_ADMAIF_TX11_FIFO_CTRL_REG_DEFAULT	0x01800222
#define TEGRA186_ADMAIF_TX12_FIFO_CTRL_REG_DEFAULT	0x01800225
#define TEGRA186_ADMAIF_TX13_FIFO_CTRL_REG_DEFAULT	0x01800228
#define TEGRA186_ADMAIF_TX14_FIFO_CTRL_REG_DEFAULT	0x0180022b
#define TEGRA186_ADMAIF_TX15_FIFO_CTRL_REG_DEFAULT	0x0180022e
#define TEGRA186_ADMAIF_TX16_FIFO_CTRL_REG_DEFAULT	0x01800231
#define TEGRA186_ADMAIF_TX17_FIFO_CTRL_REG_DEFAULT	0x01800234
#define TEGRA186_ADMAIF_TX18_FIFO_CTRL_REG_DEFAULT	0x01800237
#define TEGRA186_ADMAIF_TX19_FIFO_CTRL_REG_DEFAULT	0x0180023a
#define TEGRA186_ADMAIF_TX20_FIFO_CTRL_REG_DEFAULT	0x0180023d

enum {
	DATA_8BIT,
	DATA_16BIT,
	DATA_32BIT
};

enum {
	ADMAIF_RX_PATH,
	ADMAIF_TX_PATH,
	ADMAIF_PATHS,
};

struct tegra_admaif_soc_data {
	const struct snd_soc_component_driver *cmpnt;
	const struct regmap_config *regmap_conf;
	struct snd_soc_dai_driver *dais;
	unsigned int global_base;
	unsigned int tx_base;
	unsigned int rx_base;
	unsigned int num_ch;
};

struct tegra_admaif {
	struct snd_dmaengine_dai_dma_data *capture_dma_data;
	struct snd_dmaengine_dai_dma_data *playback_dma_data;
	const struct tegra_admaif_soc_data *soc_data;
	unsigned int *mono_to_stereo[ADMAIF_PATHS];
	unsigned int *stereo_to_mono[ADMAIF_PATHS];
	struct regmap *regmap;
};

#endif