patch-2.1.79 linux/drivers/sbus/audio/cs4215.h

• Lines: 121
• Date: Mon Jan 12 15:15:45 1998
• Orig file: v2.1.78/linux/drivers/sbus/audio/cs4215.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.78/linux/drivers/sbus/audio/cs4215.h linux/drivers/sbus/audio/cs4215.h
@@ -0,0 +1,120 @@
+/*
+ * drivers/sbus/audio/cs4215.h
+ *
+ * Copyright (C) 1997 Rudolf Koenig (rfkoenig@immd4.informatik.uni-erlangen.de)
+ * Used with dbri.h
+ */
+
+#ifndef _CS4215_H_
+#define _CS4215_H_
+
+struct cs4215 {
+	__u8	data[4];	/* Data mode: Time slots 5-8 */
+	__u8	ctrl[4];	/* Ctrl mode: Time slots 1-4 */
+	__volatile__ struct dbri_mem td;
+	__volatile__ struct dbri_mem rd;
+	__u8	version;
+	__u8	onboard;
+};
+
+
+/*
+ * Control mode first 
+ */
+
+/* Time Slot 1, Status register */
+#define CS4215_CLB	(1<<2)	/* Control Latch Bit */
+#define CS4215_OLB	(1<<3)	/* 1: line: 2.0V, speaker 4V */
+				/* 0: line: 2.8V, speaker 8V */
+#define CS4215_MLB	(1<<4)	/* 1: Microphone: 20dB gain disabled */
+#define CS4215_RSRVD_1  (1<<5)
+
+
+/* Time Slot 2, Data Format Register */
+#define CS4215_DFR_LINEAR16	0
+#define CS4215_DFR_ULAW		1
+#define CS4215_DFR_ALAW		2
+#define CS4215_DFR_LINEAR8	3
+#define CS4215_DFR_STEREO	(1<<2)
+static struct {
+	unsigned short freq;
+	unsigned char  xtal;
+	unsigned char  csval;
+} CS4215_FREQ[] = {
+	{	 8000,	1,	(0<<3)	},
+	{	16000,	1,	(1<<3)	},
+	{	27429,	1,	(2<<3)	},	/* Actually 24428.57 */
+	{	32000,	1,	(3<<3)	},
+	/* {	 NA,	1,	(4<<3)	}, */
+	/* {	 NA,	1,	(5<<3)	}, */
+	{	48000,	1,	(6<<3)	},
+	{	 9600,	1,	(7<<3)	},
+	{	 5513,	2,	(0<<3)	},	/* Actually 5512.5 */
+	{	11025,	2,	(1<<3)	},
+	{	18900,	2,	(2<<3)	},
+	{	22050,	2,	(3<<3)	},
+	{	37800,	2,	(4<<3)	},
+	{	44100,	2,	(5<<3)	},
+	{	33075,	2,	(6<<3)	},
+	{	 6615,	2,	(7<<3)	},
+	{	    0,	0,	0	}
+};
+#define CS4215_HPF	(1<<7)	/* High Pass Filter, 1: Enabled */
+
+#define CS4215_12_MASK	0xfcbf	/* Mask off reseved bits in slot 1 & 2 */
+
+/* Time Slot 3, Serial Port Control register */
+#define CS4215_XEN	(1<<0)	/* 0: Enable serial output */
+#define CS4215_XCLK	(1<<1)	/* 1: Master mode: Generate SCLK */
+#define CS4215_BSEL_64	(0<<2)	/* Bitrate: 64 bits per frame */
+#define CS4215_BSEL_128	(1<<2)
+#define CS4215_BSEL_256	(2<<2)
+#define CS4215_MCK_MAST (0<<4)	/* Master clock */
+#define CS4215_MCK_XTL1 (1<<4)	/* 24.576 MHz clock source */
+#define CS4215_MCK_XTL2 (2<<4)	/* 16.9344 MHz clock source */
+#define CS4215_MCK_CLK1 (3<<4)	/* Clockin, 256 x Fs */
+#define CS4215_MCK_CLK2 (4<<4)	/* Clockin, see DFR */
+
+/* Time Slot 4, Test Register */
+#define CS4215_DAD	(1<<0)	/* 0:Digital-Dig loop, 1:Dig-Analog-Dig loop */
+#define CS4215_ENL	(1<<1)	/* Enable Loopback Testing */
+
+/* Time Slot 5, Parallel Port Register */
+/* Read only here and the same as the in data mode */
+
+/* Time Slot 6, Reserved  */
+
+/* Time Slot 7, Version Register  */
+#define CS4215_VERSION_MASK 0xf	/* Known versions 0/C, 1/D, 2/E */
+
+/* Time Slot 8, Reserved  */
+
+
+
+/*
+ * Data mode
+ */
+/* Time Slot 1-2: Left Channel Data, 2-3: Right Channel Data  */
+
+/* Time Slot 5, Output Setting  */
+#define CS4215_LO(v)	v	/* Left Output Attenuation 0x3f: -94.5 dB */
+#define CS4215_LE	(1<<6)	/* Line Out Enable */
+#define CS4215_HE	(1<<7)	/* Headphone Enable */
+
+/* Time Slot 6, Output Setting  */
+#define CS4215_RO(v)	v	/* Right Output Attenuation 0x3f: -94.5 dB */
+#define CS4215_SE	(1<<6)	/* Line Out Enable */
+#define CS4215_ADI	(1<<7)	/* A/D Data Invalid: Busy in calibration */
+
+/* Time Slot 7, Input Setting */
+#define CS4215_LG(v)	v	/* Left Gain Setting 0xf: 22.5 dB */
+#define CS4215_IS	(1<<4)	/* Input Select: 1=Microphone, 0=Line */
+#define CS4215_OVR	(1<<5)	/* 1: Overrange condition occured */
+#define CS4215_PIO0	(1<<6)	/* Parallel I/O 0 */
+#define CS4215_PIO1	(1<<7)
+
+/* Time Slot 8, Input Setting */
+#define CS4215_RG(v)	v	/* Right Gain Setting 0xf: 22.5 dB */
+#define CS4215_MA(v)	(v<<4)	/* Monitor Path Attenuation 0xf: mute */
+
+#endif