1 files changed, 47 insertions, 0 deletions
diff --git a/sound/pci/pcxhr/pcxhr_mix22.h b/sound/pci/pcxhr/pcxhr_mix22.h
new file mode 100644
index 000000000..b1e4ffca8
--- /dev/null
+++ b/sound/pci/pcxhr/pcxhr_mix22.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Driver for Digigram pcxhr compatible soundcards
+ *
+ * low level interface with interrupt ans message handling
+ *
+ * Copyright (c) 2004 by Digigram <alsa@digigram.com>
+ */
+
+#ifndef __SOUND_PCXHR_MIX22_H
+#define __SOUND_PCXHR_MIX22_H
+
+struct pcxhr_mgr;
+
+int hr222_sub_init(struct pcxhr_mgr *mgr);
+int hr222_sub_set_clock(struct pcxhr_mgr *mgr, unsigned int rate,
+			int *changed);
+int hr222_get_external_clock(struct pcxhr_mgr *mgr,
+			     enum pcxhr_clock_type clock_type,
+			     int *sample_rate);
+
+int hr222_read_gpio(struct pcxhr_mgr *mgr, int is_gpi, int *value);
+int hr222_write_gpo(struct pcxhr_mgr *mgr, int value);
+int hr222_manage_timecode(struct pcxhr_mgr *mgr, int enable);
+
+#define HR222_LINE_PLAYBACK_LEVEL_MIN		0	/* -25.5 dB */
+#define HR222_LINE_PLAYBACK_ZERO_LEVEL		51	/* 0.0 dB */
+#define HR222_LINE_PLAYBACK_LEVEL_MAX		99	/* +24.0 dB */
+
+#define HR222_LINE_CAPTURE_LEVEL_MIN		0	/* -111.5 dB */
+#define HR222_LINE_CAPTURE_ZERO_LEVEL		223	/* 0.0 dB */
+#define HR222_LINE_CAPTURE_LEVEL_MAX		255	/* +16 dB */
+#define HR222_MICRO_CAPTURE_LEVEL_MIN		0	/* -98.5 dB */
+#define HR222_MICRO_CAPTURE_LEVEL_MAX		210	/* +6.5 dB */
+
+int hr222_update_analog_audio_level(struct snd_pcxhr *chip,
+				    int is_capture,
+				    int channel);
+int hr222_set_audio_source(struct snd_pcxhr *chip);
+int hr222_iec958_capture_byte(struct snd_pcxhr *chip, int aes_idx,
+			      unsigned char *aes_bits);
+int hr222_iec958_update_byte(struct snd_pcxhr *chip, int aes_idx,
+			     unsigned char aes_bits);
+
+int hr222_add_mic_controls(struct snd_pcxhr *chip);
+
+#endif /* __SOUND_PCXHR_MIX22_H */