0545e9dc6d
commit d1edce71135cc6d98c0a4b5729774542b676e769 Author: sophgo-forum-service <forum_service@sophgo.com> Date: Fri Mar 15 16:07:33 2024 +0800 [fix] recommend using ssh method to clone repo. [fix] fix sensor driver repo branch name.
66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* tegra_cif.h - TEGRA Audio CIF Programming
|
|
*
|
|
* Copyright (c) 2020 NVIDIA CORPORATION. All rights reserved.
|
|
*
|
|
*/
|
|
|
|
#ifndef __TEGRA_CIF_H__
|
|
#define __TEGRA_CIF_H__
|
|
|
|
#include <linux/regmap.h>
|
|
|
|
#define TEGRA_ACIF_CTRL_FIFO_TH_SHIFT 24
|
|
#define TEGRA_ACIF_CTRL_AUDIO_CH_SHIFT 20
|
|
#define TEGRA_ACIF_CTRL_CLIENT_CH_SHIFT 16
|
|
#define TEGRA_ACIF_CTRL_AUDIO_BITS_SHIFT 12
|
|
#define TEGRA_ACIF_CTRL_CLIENT_BITS_SHIFT 8
|
|
#define TEGRA_ACIF_CTRL_EXPAND_SHIFT 6
|
|
#define TEGRA_ACIF_CTRL_STEREO_CONV_SHIFT 4
|
|
#define TEGRA_ACIF_CTRL_REPLICATE_SHIFT 3
|
|
#define TEGRA_ACIF_CTRL_TRUNCATE_SHIFT 1
|
|
#define TEGRA_ACIF_CTRL_MONO_CONV_SHIFT 0
|
|
|
|
/* AUDIO/CLIENT_BITS values */
|
|
#define TEGRA_ACIF_BITS_8 1
|
|
#define TEGRA_ACIF_BITS_16 3
|
|
#define TEGRA_ACIF_BITS_24 5
|
|
#define TEGRA_ACIF_BITS_32 7
|
|
|
|
#define TEGRA_ACIF_UPDATE_MASK 0x3ffffffb
|
|
|
|
struct tegra_cif_conf {
|
|
unsigned int threshold;
|
|
unsigned int audio_ch;
|
|
unsigned int client_ch;
|
|
unsigned int audio_bits;
|
|
unsigned int client_bits;
|
|
unsigned int expand;
|
|
unsigned int stereo_conv;
|
|
unsigned int replicate;
|
|
unsigned int truncate;
|
|
unsigned int mono_conv;
|
|
};
|
|
|
|
static inline void tegra_set_cif(struct regmap *regmap, unsigned int reg,
|
|
struct tegra_cif_conf *conf)
|
|
{
|
|
unsigned int value;
|
|
|
|
value = (conf->threshold << TEGRA_ACIF_CTRL_FIFO_TH_SHIFT) |
|
|
((conf->audio_ch - 1) << TEGRA_ACIF_CTRL_AUDIO_CH_SHIFT) |
|
|
((conf->client_ch - 1) << TEGRA_ACIF_CTRL_CLIENT_CH_SHIFT) |
|
|
(conf->audio_bits << TEGRA_ACIF_CTRL_AUDIO_BITS_SHIFT) |
|
|
(conf->client_bits << TEGRA_ACIF_CTRL_CLIENT_BITS_SHIFT) |
|
|
(conf->expand << TEGRA_ACIF_CTRL_EXPAND_SHIFT) |
|
|
(conf->stereo_conv << TEGRA_ACIF_CTRL_STEREO_CONV_SHIFT) |
|
|
(conf->replicate << TEGRA_ACIF_CTRL_REPLICATE_SHIFT) |
|
|
(conf->truncate << TEGRA_ACIF_CTRL_TRUNCATE_SHIFT) |
|
|
(conf->mono_conv << TEGRA_ACIF_CTRL_MONO_CONV_SHIFT);
|
|
|
|
regmap_update_bits(regmap, reg, TEGRA_ACIF_UPDATE_MASK, value);
|
|
}
|
|
|
|
#endif
|