patch-2.1.23 linux/drivers/sbus/audio/cs4231.h

• Lines: 139
• Date: Sun Jan 26 12:07:18 1997
• Orig file: v2.1.22/linux/drivers/sbus/audio/cs4231.h
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v2.1.22/linux/drivers/sbus/audio/cs4231.h linux/drivers/sbus/audio/cs4231.h
@@ -0,0 +1,138 @@
+/*
+ * drivers/sbus/audio/cs4231.h
+ *
+ * Copyright (C) 1996 Thomas K. Dyas (tdyas@noc.rutgers.edu)
+ * Copyright (C) 1997 Derrick J. Brashear (shadow@dementia.org)
+ */
+
+#ifndef _CS4231_H_
+#define _CS4231_H_
+
+#include <linux/types.h>
+
+struct cs4231_regs {
+         u_char iar;            /* Index Address Register */
+         u_char pad0[3];         
+         u_char idr;            /* Indexed Data Register */
+         u_char pad1[3];        
+         u_char statr;          /* Status Register */
+         u_char pad2[3];        
+         u_char piodr;          /* PIO Data Register I/O */
+         u_char pad3[3];        
+};
+
+struct cs4231_dma {
+         u_long         dmacsr;         /* APC CSR */
+         u_long         dmapad[3];        
+         u_long         dmacva;         /* Capture Virtual Address */
+         u_long         dmacc;          /* Capture Count */
+         u_long         dmacnva;        /* Capture Next VAddress */
+         u_long         dmacnc;         /* Capture Next Count */
+         u_long         dmapva;         /* Playback Virtual Address */
+         u_long         dmapc;          /* Playback Count */
+         u_long         dmapnva;        /* Playback Next VAddress */
+         u_long         dmapnc;         /* Playback Next Count */
+};
+
+struct cs4231_chip {
+        struct cs4231_regs pioregs;
+        struct cs4231_dma dmaregs;
+};
+
+struct cs4231_stream_info {
+        unsigned int sample_rate;     /* samples per second */
+        unsigned int channels;        /* number of interleaved channels */
+        unsigned int precision;       /* bit-width of each sample */
+        unsigned int encoding;        /* data encoding method */
+        unsigned int gain;            /* gain level: 0 - 255 */
+        unsigned int port;
+};
+
+#define CS_TIMEOUT      9000000
+
+#define GAIN_SET(var, gain)     ((var & ~(0x3f)) | gain)
+#define RECGAIN_SET(var, gain)  ((var & ~(0x1f)) | gain)
+
+#define IAR_AUTOCAL_BEGIN       0x40
+#define IAR_AUTOCAL_END         ~(0x40)
+#define IAR_NOT_READY            0x80    /* 80h not ready CODEC state */
+
+#define MIC_ENABLE(var)         ((var & 0x2f) | 0x80)
+#define LINE_ENABLE(var)        (var & 0x2f)
+#define CDROM_ENABLE(var)       ((var & 0x2f) | 0x40)
+
+#define OUTCR_MUTE              0x80
+#define OUTCR_UNMUTE            ~0x80
+
+/* 8 */
+#define DEFAULT_DATA_FMAT               0x20
+
+/* 10 */
+#define PINCR_LINE_MUTE         0x40
+#define PINCR_HDPH_MUTE         0x80
+
+/* 11 */
+#define AUTOCAL_IN_PROGRESS      0x20
+
+/* 12 */
+#define MISC_IR_MODE2           0x40
+
+/* 13 */
+#define LOOPB_ON                0x01
+#define LOOPB_OFF               0x00
+
+/* 16 */
+#define OLB_ENABLE              0x80
+
+/* 17 */
+#define HPF_ON                  0x01
+#define XTALE_ON                0x20
+
+#define MONO_IOCR_MUTE       0x40;
+
+/* 30 */
+#define CS4231A         0x20
+
+
+#define APC_CODEC_PDN   0x20            
+#define APC_RESET       0x01            
+
+#define CS4231_DEFAULT_PLAYGAIN     (132)
+#define CS4231_DEFAULT_RECGAIN      (126)
+
+#define CS4231_MIN_ATEN     (0)
+#define CS4231_MAX_ATEN     (31)
+#define CS4231_MAX_DEV_ATEN (63)
+#define CS4231_MIN_GAIN     (0)
+#define CS4231_MAX_GAIN     (15)
+#define CS4231_MON_MIN_ATEN         (0)
+#define CS4231_MON_MAX_ATEN         (63)
+
+#define CS4231_PRECISION    (8)             /* Bits per sample unit */
+#define CS4231_CHANNELS     (1)             /* Channels per sample frame */
+
+#define CS4231_RATE   (8000)          
+
+#define AUDIO_ENCODING_NONE     (0) /* no encoding assigned */
+#define AUDIO_ENCODING_ULAW     (1) /* u-law encoding */
+#define AUDIO_ENCODING_ALAW     (2) /* A-law encoding */
+#define AUDIO_ENCODING_LINEAR   (3) /* Linear PCM encoding */
+#define AUDIO_ENCODING_DVI      (104) /* DVI ADPCM */
+#define AUDIO_ENCODING_LINEAR8  (105) /* 8 bit UNSIGNED */
+
+#define AUDIO_LEFT_BALANCE      (0)
+#define AUDIO_MID_BALANCE       (32)
+#define AUDIO_RIGHT_BALANCE     (64)
+#define AUDIO_BALANCE_SHIFT     (3)
+
+#define AUDIO_SPEAKER           0x01
+#define AUDIO_HEADPHONE         0x02
+#define AUDIO_LINE_OUT          0x04
+
+#define AUDIO_MICROPHONE        0x01
+#define AUDIO_LINE_IN           0x02
+#define AUDIO_INTERNAL_CD_IN    0x04
+
+#define AUDIO_MAX_GAIN  (255)
+
+#endif