diff options
Diffstat (limited to 'sound/soc/tegra/tegra210_sfc.h')
| -rw-r--r-- | sound/soc/tegra/tegra210_sfc.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/sound/soc/tegra/tegra210_sfc.h b/sound/soc/tegra/tegra210_sfc.h new file mode 100644 index 000000000000..5a6b66e297d8 --- /dev/null +++ b/sound/soc/tegra/tegra210_sfc.h @@ -0,0 +1,78 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * tegra210_sfc.h - Definitions for Tegra210 SFC driver + * + * Copyright (c) 2021 NVIDIA CORPORATION. All rights reserved. + * + */ + +#ifndef __TEGRA210_SFC_H__ +#define __TEGRA210_SFC_H__ + +/* + * SFC_RX registers are with respect to XBAR. + * The data comes from XBAR to SFC. + */ +#define TEGRA210_SFC_RX_STATUS 0x0c +#define TEGRA210_SFC_RX_INT_STATUS 0x10 +#define TEGRA210_SFC_RX_INT_MASK 0x14 +#define TEGRA210_SFC_RX_INT_SET 0x18 +#define TEGRA210_SFC_RX_INT_CLEAR 0x1c +#define TEGRA210_SFC_RX_CIF_CTRL 0x20 +#define TEGRA210_SFC_RX_FREQ 0x24 + +/* + * SFC_TX registers are with respect to XBAR. + * The data goes out of SFC. + */ +#define TEGRA210_SFC_TX_STATUS 0x4c +#define TEGRA210_SFC_TX_INT_STATUS 0x50 +#define TEGRA210_SFC_TX_INT_MASK 0x54 +#define TEGRA210_SFC_TX_INT_SET 0x58 +#define TEGRA210_SFC_TX_INT_CLEAR 0x5c +#define TEGRA210_SFC_TX_CIF_CTRL 0x60 +#define TEGRA210_SFC_TX_FREQ 0x64 + +/* Register offsets from TEGRA210_SFC*_BASE */ +#define TEGRA210_SFC_ENABLE 0x80 +#define TEGRA210_SFC_SOFT_RESET 0x84 +#define TEGRA210_SFC_CG 0x88 +#define TEGRA210_SFC_STATUS 0x8c +#define TEGRA210_SFC_INT_STATUS 0x90 +#define TEGRA210_SFC_COEF_RAM 0xbc +#define TEGRA210_SFC_CFG_RAM_CTRL 0xc0 +#define TEGRA210_SFC_CFG_RAM_DATA 0xc4 + +/* Fields in TEGRA210_SFC_ENABLE */ +#define TEGRA210_SFC_EN_SHIFT 0 +#define TEGRA210_SFC_EN (1 << TEGRA210_SFC_EN_SHIFT) + +#define TEGRA210_SFC_NUM_RATES 12 + +/* Fields in TEGRA210_SFC_COEF_RAM */ +#define TEGRA210_SFC_COEF_RAM_EN BIT(0) + +#define TEGRA210_SFC_SOFT_RESET_EN BIT(0) + +/* Coefficients */ +#define TEGRA210_SFC_COEF_RAM_DEPTH 64 +#define TEGRA210_SFC_RAM_CTRL_RW_WRITE (1 << 14) +#define TEGRA210_SFC_RAM_CTRL_ADDR_INIT_EN (1 << 13) +#define TEGRA210_SFC_RAM_CTRL_SEQ_ACCESS_EN (1 << 12) + + +enum tegra210_sfc_path { + SFC_RX_PATH, + SFC_TX_PATH, + SFC_PATHS, +}; + +struct tegra210_sfc { + unsigned int mono_to_stereo[SFC_PATHS]; + unsigned int stereo_to_mono[SFC_PATHS]; + unsigned int srate_out; + unsigned int srate_in; + struct regmap *regmap; +}; + +#endif |