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.
74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later
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* CV1835 DAC driver on CVITEK CV1835
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*
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* Copyright 2019 CVITEK
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*
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* Author: EthanChen
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*
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*/
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#ifndef __CV1835DAC_H__
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#define __CV1835DAC_H__
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#include <linux/clk.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <linux/miscdevice.h>
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#define CVI_DAC_FS_REG 0x00
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#define CVI_DAC_FS_16_32 0x0
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#define CVI_DAC_FS_32_64 0x1
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#define CVI_DAC_FS_64_128 0x2
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#define CVI_DAC_FS_128_192 0x3
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#define CVI_DAC_CTRL_REG 0x04
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#define CVI_DAC_PWDAR_MASK 0x00000001
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#define CVI_DAC_PWDAR_NORMAL 0xFFFFFFFE
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#define CVI_DAC_PWDAR_DOWN (1 << 0)
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#define CVI_DAC_PWDAL_MASK 0x00000002
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#define CVI_DAC_PWDAL_NORMAL 0xFFFFFFFD
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#define CVI_DAC_PWDAL_DOWN (1 << 1)
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#define CVI_DAC_EN_REF_DISABLE 0xFFFFFFFB
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#define CVI_DAC_EN_REF_ENABLE (1 << 2)
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#define CVI_DAC_DEN_ENABLE 0xFFFFFFF7
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#define CVI_DAC_DEN_DISABLE (1 << 3)
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#define CVI_DAC_AEN_ENABLE 0xFFFFFFEF
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#define CVI_DAC_AEN_DISABLE (1 << 4)
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#define CVI_DAC_STR_DISABLE 0xFFFFFFDF
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#define CVI_DAC_STR_ENABLE (1 << 5)
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#define CVI_DAC_DISTHER_DISABLE 0xFFFFFFBF
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#define CVI_DAC_DISTHER_ENABLE (1 << 6)
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#define CVI_DAC_MUTE_MODE 0xFFFFFCFF
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#define CVI_DAC_DEMUTE_MODE (0x3 << 8)
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#define CVI_DAC_CKINV_NODELAY 0xFFFFFBFF
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#define CVI_DAC_CKINV_DELAY (1 << 10)
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#define CVI_DAC_S_MASK 0xFFFF0FFF
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#define CVI_DAC_S(v) (v << 12)
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#define CVI_DAC_ZCD_DISABLE 0xFFFEFFFF
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#define CVI_DAC_ZCD_ENABLE (1 << 16)
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#define CVI_DAC_TEST_MODE_REG 0x08
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#define CVI_DAC_TM_NORMAL 0x0
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#define CVI_DAC_TM_DF 0x1 /* DAC digital filter test mode */
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#define CVI_DAC_TM_SDM 0x2 /* DAC delta sigma modulator */
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#define CVI_DAC_AIO_DA_REG 0x0C
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#define CVI_DAV_AIO_ALL_GPIO 0x0
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#define CVI_DAV_AIO_2CH 0x1
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#define CVI_DAC_AS_LEVEL_REG 0x10
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struct cvi1835dac {
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void __iomem *dac_base;
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struct clk *clk;
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struct device *dev;
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struct miscdevice miscdev;
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};
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extern bool cv1835dac_is_mute(struct snd_pcm_substream *substream);
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extern struct proc_dir_entry *proc_audio_dir;
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#endif /* __CV1835DAC_H__ */
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