diff options
Diffstat (limited to 'sound/soc/tegra/tegra210_peq.h')
| -rw-r--r-- | sound/soc/tegra/tegra210_peq.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/sound/soc/tegra/tegra210_peq.h b/sound/soc/tegra/tegra210_peq.h new file mode 100644 index 000000000..6d3de4ff0 --- /dev/null +++ b/sound/soc/tegra/tegra210_peq.h @@ -0,0 +1,56 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * tegra210_peq.h - Definitions for Tegra210 PEQ driver + * + * Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved. + * + */ + +#ifndef __TEGRA210_PEQ_H__ +#define __TEGRA210_PEQ_H__ + +#include <linux/platform_device.h> +#include <linux/regmap.h> +#include <sound/soc.h> + +/* Register offsets from PEQ base */ +#define TEGRA210_PEQ_SOFT_RESET 0x0 +#define TEGRA210_PEQ_CG 0x4 +#define TEGRA210_PEQ_STATUS 0x8 +#define TEGRA210_PEQ_CFG 0xc +#define TEGRA210_PEQ_CFG_RAM_CTRL 0x10 +#define TEGRA210_PEQ_CFG_RAM_DATA 0x14 +#define TEGRA210_PEQ_CFG_RAM_SHIFT_CTRL 0x18 +#define TEGRA210_PEQ_CFG_RAM_SHIFT_DATA 0x1c + +/* Fields in TEGRA210_PEQ_CFG */ +#define TEGRA210_PEQ_CFG_BIQUAD_STAGES_SHIFT 2 +#define TEGRA210_PEQ_CFG_BIQUAD_STAGES_MASK (0xf << TEGRA210_PEQ_CFG_BIQUAD_STAGES_SHIFT) + +#define TEGRA210_PEQ_CFG_MODE_SHIFT 0 +#define TEGRA210_PEQ_CFG_MODE_MASK (0x1 << TEGRA210_PEQ_CFG_MODE_SHIFT) + +#define TEGRA210_PEQ_RAM_CTRL_RW_READ 0 +#define TEGRA210_PEQ_RAM_CTRL_RW_WRITE (1 << 14) +#define TEGRA210_PEQ_RAM_CTRL_ADDR_INIT_EN (1 << 13) +#define TEGRA210_PEQ_RAM_CTRL_SEQ_ACCESS_EN (1 << 12) +#define TEGRA210_PEQ_RAM_CTRL_RAM_ADDR_MASK 0x1ff + +/* PEQ register definition ends here */ +#define TEGRA210_PEQ_MAX_BIQUAD_STAGES 12 + +#define TEGRA210_PEQ_MAX_CHANNELS 8 + +#define TEGRA210_PEQ_BIQUAD_INIT_STAGE 5 + +#define TEGRA210_PEQ_GAIN_PARAM_SIZE_PER_CH (2 + TEGRA210_PEQ_MAX_BIQUAD_STAGES * 5) +#define TEGRA210_PEQ_SHIFT_PARAM_SIZE_PER_CH (2 + TEGRA210_PEQ_MAX_BIQUAD_STAGES) + +int tegra210_peq_regmap_init(struct platform_device *pdev); +int tegra210_peq_component_init(struct snd_soc_component *cmpnt); +void tegra210_peq_restore(struct regmap *regmap, u32 *biquad_gains, + u32 *biquad_shifts); +void tegra210_peq_save(struct regmap *regmap, u32 *biquad_gains, + u32 *biquad_shifts); + +#endif |