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-rw-r--r--include/sound/ak4xxx-adda.h69
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diff --git a/include/sound/ak4xxx-adda.h b/include/sound/ak4xxx-adda.h
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+#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@suse.cz>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef AK4XXX_MAX_CHIPS
+#define AK4XXX_MAX_CHIPS 4
+#endif
+
+typedef struct snd_akm4xxx akm4xxx_t;
+
+struct snd_ak4xxx_ops {
+ void (*lock)(akm4xxx_t *ak, int chip);
+ void (*unlock)(akm4xxx_t *ak, int chip);
+ void (*write)(akm4xxx_t *ak, int chip, unsigned char reg, unsigned char val);
+ // unsigned char (*read)(akm4xxx_t *ak, int chip, unsigned char reg);
+ void (*set_rate_val)(akm4xxx_t *ak, unsigned int rate);
+};
+
+#define AK4XXX_IMAGE_SIZE (AK4XXX_MAX_CHIPS * 16) /* 64 bytes */
+
+struct snd_akm4xxx {
+ snd_card_t *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 ipga_gain[AK4XXX_MAX_CHIPS][2]; /* saved register image for IPGA (AK4528) */
+ 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
+ } type;
+ struct snd_ak4xxx_ops ops;
+};
+
+void snd_akm4xxx_write(akm4xxx_t *ak, int chip, unsigned char reg, unsigned char val);
+void snd_akm4xxx_reset(akm4xxx_t *ak, int state);
+void snd_akm4xxx_init(akm4xxx_t *ak);
+int snd_akm4xxx_build_controls(akm4xxx_t *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_ipga(ak,chip,reg) (ak)->ipga_gain[chip][(reg)-4]
+#define snd_akm4xxx_set_ipga(ak,chip,reg,val) ((ak)->ipga_gain[chip][(reg)-4] = (val))
+
+#endif /* __SOUND_AK4XXX_ADDA_H */