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-rw-r--r--include/sound/ak4xxx-adda.h85
1 files changed, 85 insertions, 0 deletions
diff --git a/include/sound/ak4xxx-adda.h b/include/sound/ak4xxx-adda.h
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+++ b/include/sound/ak4xxx-adda.h
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+/* 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 */