xref: /netbsd/sys/dev/ic/ad1848reg.h (revision bf9ec67e)
1 /*	$NetBSD: ad1848reg.h,v 1.9 1999/09/30 23:30:15 itohy Exp $	*/
2 
3 /*
4  * Copyright (c) 1994 John Brezak
5  * Copyright (c) 1991-1993 Regents of the University of California.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by the Computer Systems
19  *	Engineering Group at Lawrence Berkeley Laboratory.
20  * 4. Neither the name of the University nor of the Laboratory may be used
21  *    to endorse or promote products derived from this software without
22  *    specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  */
37 /*
38  * Copyright (c) 1993 Analog Devices Inc. All rights reserved
39  */
40 
41 /* parent driver is primarily responsible for checking this */
42 #define AD1848_BASE_VALID(base)	(((base) & 0x003) == 0)
43 
44 /* AD1848 direct registers */
45 #define AD1848_IADDR		0x00
46 #define AD1848_IDATA		0x01
47 #define AD1848_STATUS		0x02
48 #define AD1848_PIO		0x03
49 
50 /* Gain constants  */
51 #define GAIN_0			0x00
52 #define GAIN_1_5		0x01
53 #define GAIN_3			0x02
54 #define GAIN_4_5		0x03
55 #define GAIN_6			0x04
56 #define GAIN_7_5		0x05
57 #define GAIN_9			0x06
58 #define GAIN_10_5		0x07
59 #define GAIN_12			0x08
60 #define GAIN_13_5		0x09
61 #define GAIN_15			0x0a
62 #define GAIN_16_5		0x0b
63 #define GAIN_18			0x0c
64 #define GAIN_19_5		0x0d
65 #define GAIN_21			0x0e
66 #define GAIN_22_5		0x0f
67 
68 /* Attenuation constants  */
69 
70 #define ATTEN_0			0x00
71 #define ATTEN_1_5		0x01
72 #define ATTEN_3			0x02
73 #define ATTEN_4_5		0x03
74 #define ATTEN_6			0x04
75 #define ATTEN_7_5		0x05
76 #define ATTEN_9			0x06
77 #define ATTEN_10_5		0x07
78 #define ATTEN_12		0x08
79 #define ATTEN_13_5		0x09
80 #define ATTEN_15		0x0a
81 #define ATTEN_16_5		0x0b
82 #define ATTEN_18		0x0c
83 #define ATTEN_19_5		0x0d
84 #define ATTEN_21		0x0e
85 #define ATTEN_22_5		0x0f
86 
87 /* AD1848 Index register (R0) */
88 #define SP_IN_INIT		0x80
89 #define MODE_CHANGE_ENABLE	0x40
90 #define TRANSFER_DISABLE	0x20
91 #define ADDRESS_MASK		0xe0
92 
93 /* Status bits - register R2 (read-only) */
94 #define INTERRUPT_STATUS	0x01
95 #define PLAYBACK_READY		0x02
96 #define PLAYBACK_LEFT		0x04
97 /* pbright is not left */
98 #define PLAYBACK_UPPER		0x08
99 /* bplower is not upper */
100 #define SAMPLE_ERROR		0x10
101 #define CAPTURE_READY		0x20
102 #define CAPTURE_LEFT		0x40
103 /* cpright is not left */
104 #define CAPTURE_UPPER		0x80
105 /* cplower is not upper */
106 
107 #define AD_R2_BITS	"\20\1INT\2PRDY\3PL/R\4PU/L\5SER\6CRDY\7CL/R\10CU/L"
108 
109 
110 /* ADC Input control - registers I0 (left) and I1 (right) */
111 #define LINE_INPUT		0x00
112 #define AUX_INPUT		0x40
113 #define MIC_INPUT		0x80
114 #define MIXED_DAC_INPUT		0xc0
115 #define INPUT_GAIN_MASK		0xf0
116 #define INPUT_MIC_GAIN_ENABLE	0x20
117 #define INPUT_SOURCE_MASK	0x3f
118 
119 /* Aux input control - registers I2 (channel 1,left); I3 (channel 1,right)
120 				 I4 (channel 2,left); I5 (channel 2,right) */
121 #define AUX_INPUT_ATTEN_BITS	0x1f
122 #define AUX_INPUT_ATTEN_MASK	0xe0
123 #define AUX_INPUT_MUTE		0x80
124 
125 /* Output bits - registers I6,I7*/
126 #define OUTPUT_MUTE		0x80
127 #define OUTPUT_ATTEN_BITS	0x3f
128 #define OUTPUT_ATTEN_MASK	(~OUTPUT_ATTEN_BITS & 0xff)
129 
130 /* Clock and Data format reg bits (some also Capture Data format) - reg I8 */
131 #define CLOCK_XTAL2		0x01
132 #define CLOCK_XTAL1		0x00
133 #define CLOCK_FREQ_MASK		0xf1
134 #define FMT_MONO		0x00
135 #define FMT_STEREO		0x10
136 #define FORMAT_MASK		0x1f
137 #define FMT_PCM8		0x00	/* 8-bit unsigned */
138 #define FMT_ULAW		0x20	/* 8-bit mu-law */
139 #define FMT_TWOS_COMP		0x40	/* 16-bit signed */
140 #define FMT_ALAW		0x60	/* 8-bit alaw */
141 #define FMT_ADPCM		0xa0	/* IMA ADPCM */
142 #define FMT_TWOS_COMP_BE	0xc0	/* 16-bit signed, big endian */
143 
144 /* Interface Configuration reg bits - register I9 */
145 #define PLAYBACK_ENABLE		0x01
146 #define CAPTURE_ENABLE		0x02
147 #define DUAL_DMA		0x00
148 #define SINGLE_DMA		0x04
149 #define AUTO_CAL_ENABLE		0x08
150 #define PLAYBACK_PIO_ENABLE	0x40
151 #define CAPTURE_PIO_ENABLE	0x80
152 
153 /* Pin control bits - register I10 */
154 #define INTERRUPT_ENABLE	0x02
155 #define XCTL0_ENABLE		0x40
156 #define XCTL1_ENABLE		0x80
157 
158 /* Test and init reg bits - register I11 (read-only) */
159 #define OVERRANGE_LEFT_MASK	0xfc
160 #define OVERRANGE_RIGHT_MASK	0xf3
161 #define DATA_REQUEST_STATUS	0x10
162 #define AUTO_CAL_IN_PROG	0x20
163 #define PLAYBACK_UNDERRUN	0x40
164 #define CAPTURE_OVERRUN		0x80
165 
166 /* Miscellaneous Control reg bits - register I12 */
167 #define ID_MASK			0x70
168 #define MODE2			0x40
169 #define MODE3			0x60
170 
171 /* Digital Mix Control reg bits - register I13 */
172 #define DIGITAL_MIX1_ENABLE	0x01
173 #define MIX_ATTEN_MASK		0x03
174 
175 /* AD1848 Sound Port reg defines */
176 #define SP_LEFT_INPUT_CONTROL	0
177 #define SP_RIGHT_INPUT_CONTROL	1
178 #define SP_LEFT_AUX1_CONTROL	2
179 #define SP_RIGHT_AUX1_CONTROL	3
180 #define SP_LEFT_AUX2_CONTROL	4
181 #define SP_RIGHT_AUX2_CONTROL	5
182 #define SP_LEFT_OUTPUT_CONTROL	6
183 #define SP_RIGHT_OUTPUT_CONTROL 7
184 #define SP_CLOCK_DATA_FORMAT	8
185 #define SP_INTERFACE_CONFIG	9
186 #define SP_PIN_CONTROL		10
187 #define SP_TEST_AND_INIT	11
188 #define SP_MISC_INFO		12
189 #define SP_DIGITAL_MIX		13
190 #define SP_UPPER_BASE_COUNT	14
191 #define SP_LOWER_BASE_COUNT	15
192 
193 #define SP_IADDR_MASK		0xaf
194