From 00e8ee39e9096f8109557b7ed21ef500a8196f8f Mon Sep 17 00:00:00 2001
From: beveloper <beveloper@nowhere.fake>
Date: Fri, 12 Jul 2002 12:35:15 +0000
Subject: [PATCH] adding a header file that implements the BeOS R3 style sound
 driver interface

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@130 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 headers/private/media/OldSoundDriver.h | 97 ++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 headers/private/media/OldSoundDriver.h

diff --git a/headers/private/media/OldSoundDriver.h b/headers/private/media/OldSoundDriver.h
new file mode 100644
index 0000000000..697857c16d
--- /dev/null
+++ b/headers/private/media/OldSoundDriver.h
@@ -0,0 +1,97 @@
+#ifndef _OLD_SOUND_DRIVER_H_
+#define _OLD_SOUND_DRIVER_H_
+ 
+/*
+ * The BeOS R3 style legacy sound card driver interface
+ * Assembled from the Be Newsletter, Volume II, Issue 22; June 3, 1998
+ */
+ 
+enum { 
+	SOUND_GET_PARAMS = B_DEVICE_OP_CODES_END, 
+	SOUND_SET_PARAMS, 
+	SOUND_SET_PLAYBACK_COMPLETION_SEM, 
+	SOUND_SET_CAPTURE_COMPLETION_SEM, 
+	SOUND_RESERVED_1,	/* unused */ 
+	SOUND_RESERVED_2,	/* unused */ 
+	SOUND_DEBUG_ON,		/* unused */ 
+	SOUND_DEBUG_OFF,	/* unused */ 
+	SOUND_WRITE_BUFFER,
+	SOUND_READ_BUFFER,
+	SOUND_LOCK_FOR_DMA
+};
+
+typedef struct audio_buffer_header { 
+	int32 buffer_number; 
+	int32 subscriber_count; 
+	bigtime_t time; 
+	int32 reserved_1; 
+	int32 reserved_2; 
+	int32 reserved_3; 
+	int32 reserved_4; 
+} audio_buffer_header;
+
+enum adc_source { 
+  line = 0, cd, mic, loopback 
+}; 
+
+enum sample_rate { 
+  kHz_8_0 = 0, kHz_5_51, kHz_16_0, kHz_11_025, kHz_27_42, 
+  kHz_18_9, kHz_32_0, kHz_22_05, kHz_37_8 = 9, 
+  kHz_44_1 = 11, kHz_48_0, kHz_33_075, kHz_9_6, kHz_6_62 
+}; 
+
+enum sample_format {};  /* obsolete */ 
+
+struct channel { 
+  enum adc_source adc_source; 
+       /* adc input source */ 
+  char adc_gain; 
+       /* 0..15 adc gain, in 1.5 dB steps */ 
+  char mic_gain_enable; 
+       /* non-zero enables 20 dB MIC input gain */ 
+  char cd_mix_gain; 
+       /* 0..31 cd mix to output gain in -1.5dB steps */ 
+  char cd_mix_mute; 
+       /* non-zero mutes cd mix */ 
+  char aux2_mix_gain; 
+       /* unused */ 
+  char aux2_mix_mute; 
+       /* unused */ 
+  char line_mix_gain; 
+       /* 0..31 line mix to output gain in -1.5dB steps */ 
+  char line_mix_mute; 
+       /* non-zero mutes line mix */ 
+  char dac_attn; 
+       /* 0..61 dac attenuation, in -1.5 dB steps */ 
+  char dac_mute; 
+       /* non-zero mutes dac output */ 
+}; 
+
+typedef struct sound_setup { 
+  struct channel left; 
+       /* left channel setup */ 
+  struct channel right; 
+       /* right channel setup */ 
+  enum sample_rate sample_rate; 
+       /* sample rate */ 
+  enum sample_format playback_format; 
+       /* ignore (always 16bit-linear) */ 
+  enum sample_format capture_format; 
+       /* ignore (always 16bit-linear) */ 
+  char dither_enable; 
+       /* non-zero enables dither on 16 => 8 bit */ 
+  char mic_attn; 
+       /* 0..64 mic input level */ 
+  char mic_enable; 
+       /* non-zero enables mic input */ 
+  char output_boost; 
+       /* ignore (always on) */ 
+  char highpass_enable; 
+       /* ignore (always on) */ 
+  char mono_gain; 
+       /* 0..64 mono speaker gain */ 
+  char mono_mute; 
+       /* non-zero mutes speaker */ 
+} sound_setup; 
+
+#endif