1 files changed, 85 insertions, 0 deletions
diff --git a/include/sound/ak4xxx-adda.h b/include/sound/ak4xxx-adda.h
new file mode 100644
index 000000000..4f574cefe
--- /dev/null
+++ b/include/sound/ak4xxx-adda.h
@@ -0,0 +1,85 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef __SOUND_AK4XXX_ADDA_H
+#define __SOUND_AK4XXX_ADDA_H
+
+/*
+ *   ALSA driver for AK4524 / AK4528 / AK4529 / AK4355 / AK4381
+ *   AD and DA converters
+ *
+ *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
+ */      
+
+#ifndef AK4XXX_MAX_CHIPS
+#define AK4XXX_MAX_CHIPS	4
+#endif
+
+struct snd_akm4xxx;
+
+struct snd_ak4xxx_ops {
+	void (*lock)(struct snd_akm4xxx *ak, int chip);
+	void (*unlock)(struct snd_akm4xxx *ak, int chip);
+	void (*write)(struct snd_akm4xxx *ak, int chip, unsigned char reg,
+		      unsigned char val);
+	void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate);
+};
+
+#define AK4XXX_IMAGE_SIZE	(AK4XXX_MAX_CHIPS * 16)	/* 64 bytes */
+
+/* DAC label and channels */
+struct snd_akm4xxx_dac_channel {
+	char *name;		/* mixer volume name */
+	unsigned int num_channels;
+	char *switch_name;		/* mixer switch*/
+};
+
+/* ADC labels and channels */
+struct snd_akm4xxx_adc_channel {
+	char *name;		/* capture gain volume label */
+	char *switch_name;	/* capture switch */
+	unsigned int num_channels;
+	char *selector_name;	/* capture source select label */
+	const char **input_names; /* capture source names (NULL terminated) */
+};
+
+struct snd_akm4xxx {
+	struct snd_card *card;
+	unsigned int num_adcs;			/* AK4524 or AK4528 ADCs */
+	unsigned int num_dacs;			/* AK4524 or AK4528 DACs */
+	unsigned char images[AK4XXX_IMAGE_SIZE]; /* saved register image */
+	unsigned char volumes[AK4XXX_IMAGE_SIZE]; /* saved volume values */
+	unsigned long private_value[AK4XXX_MAX_CHIPS];	/* helper for driver */
+	void *private_data[AK4XXX_MAX_CHIPS];		/* helper for driver */
+	/* template should fill the following fields */
+	unsigned int idx_offset;		/* control index offset */
+	enum {
+		SND_AK4524, SND_AK4528, SND_AK4529,
+		SND_AK4355, SND_AK4358, SND_AK4381,
+		SND_AK5365, SND_AK4620,
+	} type;
+
+	/* (array) information of combined codecs */
+	const struct snd_akm4xxx_dac_channel *dac_info;
+	const struct snd_akm4xxx_adc_channel *adc_info;
+
+	struct snd_ak4xxx_ops ops;
+	unsigned int num_chips;
+	unsigned int total_regs;
+	const char *name;
+};
+
+void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
+		       unsigned char val);
+void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state);
+void snd_akm4xxx_init(struct snd_akm4xxx *ak);
+int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak);
+
+#define snd_akm4xxx_get(ak,chip,reg) \
+	(ak)->images[(chip) * 16 + (reg)]
+#define snd_akm4xxx_set(ak,chip,reg,val) \
+	((ak)->images[(chip) * 16 + (reg)] = (val))
+#define snd_akm4xxx_get_vol(ak,chip,reg) \
+	(ak)->volumes[(chip) * 16 + (reg)]
+#define snd_akm4xxx_set_vol(ak,chip,reg,val) \
+	((ak)->volumes[(chip) * 16 + (reg)] = (val))
+
+#endif /* __SOUND_AK4XXX_ADDA_H */