diff options
Diffstat (limited to 'sound/soc/starfive/pdm.h')
| -rw-r--r-- | sound/soc/starfive/pdm.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/sound/soc/starfive/pdm.h b/sound/soc/starfive/pdm.h new file mode 100644 index 000000000000..cbc0a9ecd378 --- /dev/null +++ b/sound/soc/starfive/pdm.h @@ -0,0 +1,43 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2021 StarFive Technology Co., Ltd. + */ +#ifndef __SND_SOC_STARFIVE_PDM_H +#define __SND_SOC_STARFIVE_PDM_H + +#include <linux/clk.h> +#include <linux/device.h> +#include <linux/types.h> +#include <sound/dmaengine_pcm.h> +#include <sound/pcm.h> +#include <linux/dmaengine.h> +#include <linux/types.h> + +#define PDM_DMIC_CTRL0 (0x00) +#define PDM_DC_SCALE0 (0x04) +#define PDM_DMIC_CTRL1 (0x10) +#define PDM_DC_SCALE1 (0x14) + +/* PDM CTRL OFFSET */ +#define PDM_DMIC_MSB_SHIFT_OFFSET (1) +#define PDM_DMIC_VOL_OFFSET (16) +#define PDM_DMIC_RVOL_OFFSET (22) +#define PDM_DMIC_LVOL_OFFSET (23) +#define PDM_DMIC_I2SMODE_OFFSET (24) +#define PDM_DMIC_ENHPF_OFFSET (28) +#define PDM_DMIC_FASTMODE_OFFSET (29) +#define PDM_DMIC_DCBPS_OFFSET (30) +#define PDM_DMIC_SW_RSTN_OFFSET (31) + +/* PDM SCALE OFFSET */ +#define PDM_DMIC_DCOFF3_OFFSET (24) +#define PDM_DMIC_DCOFF2_OFFSET (16) +#define PDM_DMIC_DCOFF1_OFFSET (8) +#define PDM_DMIC_SCALE_OFFSET (0) + +#define AUDIO_CLK_ADC_MCLK 0x0 +#define AUDIO_CLK_I2SADC_BCLK 0xC +#define AUDIO_CLK_ADC_LRCLK 0x14 +#define AUDIO_CLK_PDM_CLK 0x1C + +#endif /* __SND_SOC_STARFIVE_PDM_H */ |