Root/include/sound/cs4231-regs.h

1#ifndef __SOUND_CS4231_REGS_H
2#define __SOUND_CS4231_REGS_H
3
4/*
5 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
6 * Definitions for CS4231 & InterWave chips & compatible chips registers
7 *
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 */
24
25/* IO ports */
26
27#define CS4231P(x) (c_d_c_CS4231##x)
28
29#define c_d_c_CS4231REGSEL 0
30#define c_d_c_CS4231REG 1
31#define c_d_c_CS4231STATUS 2
32#define c_d_c_CS4231PIO 3
33
34/* codec registers */
35
36#define CS4231_LEFT_INPUT 0x00 /* left input control */
37#define CS4231_RIGHT_INPUT 0x01 /* right input control */
38#define CS4231_AUX1_LEFT_INPUT 0x02 /* left AUX1 input control */
39#define CS4231_AUX1_RIGHT_INPUT 0x03 /* right AUX1 input control */
40#define CS4231_AUX2_LEFT_INPUT 0x04 /* left AUX2 input control */
41#define CS4231_AUX2_RIGHT_INPUT 0x05 /* right AUX2 input control */
42#define CS4231_LEFT_OUTPUT 0x06 /* left output control register */
43#define CS4231_RIGHT_OUTPUT 0x07 /* right output control register */
44#define CS4231_PLAYBK_FORMAT 0x08 /* clock and data format - playback - bits 7-0 MCE */
45#define CS4231_IFACE_CTRL 0x09 /* interface control - bits 7-2 MCE */
46#define CS4231_PIN_CTRL 0x0a /* pin control */
47#define CS4231_TEST_INIT 0x0b /* test and initialization */
48#define CS4231_MISC_INFO 0x0c /* miscellaneous information */
49#define CS4231_LOOPBACK 0x0d /* loopback control */
50#define CS4231_PLY_UPR_CNT 0x0e /* playback upper base count */
51#define CS4231_PLY_LWR_CNT 0x0f /* playback lower base count */
52#define CS4231_ALT_FEATURE_1 0x10 /* alternate #1 feature enable */
53#define AD1845_AF1_MIC_LEFT 0x10 /* alternate #1 feature + MIC left */
54#define CS4231_ALT_FEATURE_2 0x11 /* alternate #2 feature enable */
55#define AD1845_AF2_MIC_RIGHT 0x11 /* alternate #2 feature + MIC right */
56#define CS4231_LEFT_LINE_IN 0x12 /* left line input control */
57#define CS4231_RIGHT_LINE_IN 0x13 /* right line input control */
58#define CS4231_TIMER_LOW 0x14 /* timer low byte */
59#define CS4231_TIMER_HIGH 0x15 /* timer high byte */
60#define CS4231_LEFT_MIC_INPUT 0x16 /* left MIC input control register (InterWave only) */
61#define AD1845_UPR_FREQ_SEL 0x16 /* upper byte of frequency select */
62#define CS4231_RIGHT_MIC_INPUT 0x17 /* right MIC input control register (InterWave only) */
63#define AD1845_LWR_FREQ_SEL 0x17 /* lower byte of frequency select */
64#define CS4236_EXT_REG 0x17 /* extended register access */
65#define CS4231_IRQ_STATUS 0x18 /* irq status register */
66#define CS4231_LINE_LEFT_OUTPUT 0x19 /* left line output control register (InterWave only) */
67#define CS4231_VERSION 0x19 /* CS4231(A) - version values */
68#define CS4231_MONO_CTRL 0x1a /* mono input/output control */
69#define CS4231_LINE_RIGHT_OUTPUT 0x1b /* right line output control register (InterWave only) */
70#define AD1845_PWR_DOWN 0x1b /* power down control */
71#define CS4235_LEFT_MASTER 0x1b /* left master output control */
72#define CS4231_REC_FORMAT 0x1c /* clock and data format - record - bits 7-0 MCE */
73#define AD1845_CLOCK 0x1d /* crystal clock select and total power down */
74#define CS4235_RIGHT_MASTER 0x1d /* right master output control */
75#define CS4231_REC_UPR_CNT 0x1e /* record upper count */
76#define CS4231_REC_LWR_CNT 0x1f /* record lower count */
77
78/* definitions for codec register select port - CODECP( REGSEL ) */
79
80#define CS4231_INIT 0x80 /* CODEC is initializing */
81#define CS4231_MCE 0x40 /* mode change enable */
82#define CS4231_TRD 0x20 /* transfer request disable */
83
84/* definitions for codec status register - CODECP( STATUS ) */
85
86#define CS4231_GLOBALIRQ 0x01 /* IRQ is active */
87
88/* definitions for codec irq status */
89
90#define CS4231_PLAYBACK_IRQ 0x10
91#define CS4231_RECORD_IRQ 0x20
92#define CS4231_TIMER_IRQ 0x40
93#define CS4231_ALL_IRQS 0x70
94#define CS4231_REC_UNDERRUN 0x08
95#define CS4231_REC_OVERRUN 0x04
96#define CS4231_PLY_OVERRUN 0x02
97#define CS4231_PLY_UNDERRUN 0x01
98
99/* definitions for CS4231_LEFT_INPUT and CS4231_RIGHT_INPUT registers */
100
101#define CS4231_ENABLE_MIC_GAIN 0x20
102
103#define CS4231_MIXS_LINE 0x00
104#define CS4231_MIXS_AUX1 0x40
105#define CS4231_MIXS_MIC 0x80
106#define CS4231_MIXS_ALL 0xc0
107
108/* definitions for clock and data format register - CS4231_PLAYBK_FORMAT */
109
110#define CS4231_LINEAR_8 0x00 /* 8-bit unsigned data */
111#define CS4231_ALAW_8 0x60 /* 8-bit A-law companded */
112#define CS4231_ULAW_8 0x20 /* 8-bit U-law companded */
113#define CS4231_LINEAR_16 0x40 /* 16-bit twos complement data - little endian */
114#define CS4231_LINEAR_16_BIG 0xc0 /* 16-bit twos complement data - big endian */
115#define CS4231_ADPCM_16 0xa0 /* 16-bit ADPCM */
116#define CS4231_STEREO 0x10 /* stereo mode */
117/* bits 3-1 define frequency divisor */
118#define CS4231_XTAL1 0x00 /* 24.576 crystal */
119#define CS4231_XTAL2 0x01 /* 16.9344 crystal */
120
121/* definitions for interface control register - CS4231_IFACE_CTRL */
122
123#define CS4231_RECORD_PIO 0x80 /* record PIO enable */
124#define CS4231_PLAYBACK_PIO 0x40 /* playback PIO enable */
125#define CS4231_CALIB_MODE 0x18 /* calibration mode bits */
126#define CS4231_AUTOCALIB 0x08 /* auto calibrate */
127#define CS4231_SINGLE_DMA 0x04 /* use single DMA channel */
128#define CS4231_RECORD_ENABLE 0x02 /* record enable */
129#define CS4231_PLAYBACK_ENABLE 0x01 /* playback enable */
130
131/* definitions for pin control register - CS4231_PIN_CTRL */
132
133#define CS4231_IRQ_ENABLE 0x02 /* enable IRQ */
134#define CS4231_XCTL1 0x40 /* external control #1 */
135#define CS4231_XCTL0 0x80 /* external control #0 */
136
137/* definitions for test and init register - CS4231_TEST_INIT */
138
139#define CS4231_CALIB_IN_PROGRESS 0x20 /* auto calibrate in progress */
140#define CS4231_DMA_REQUEST 0x10 /* DMA request in progress */
141
142/* definitions for misc control register - CS4231_MISC_INFO */
143
144#define CS4231_MODE2 0x40 /* MODE 2 */
145#define CS4231_IW_MODE3 0x6c /* MODE 3 - InterWave enhanced mode */
146#define CS4231_4236_MODE3 0xe0 /* MODE 3 - CS4236+ enhanced mode */
147
148/* definitions for alternate feature 1 register - CS4231_ALT_FEATURE_1 */
149
150#define CS4231_DACZ 0x01 /* zero DAC when underrun */
151#define CS4231_TIMER_ENABLE 0x40 /* codec timer enable */
152#define CS4231_OLB 0x80 /* output level bit */
153
154/* definitions for Extended Registers - CS4236+ */
155
156#define CS4236_REG(i23val) (((i23val << 2) & 0x10) | ((i23val >> 4) & 0x0f))
157#define CS4236_I23VAL(reg) ((((reg)&0xf) << 4) | (((reg)&0x10) >> 2) | 0x8)
158
159#define CS4236_LEFT_LINE 0x08 /* left LINE alternate volume */
160#define CS4236_RIGHT_LINE 0x18 /* right LINE alternate volume */
161#define CS4236_LEFT_MIC 0x28 /* left MIC volume */
162#define CS4236_RIGHT_MIC 0x38 /* right MIC volume */
163#define CS4236_LEFT_MIX_CTRL 0x48 /* synthesis and left input mixer control */
164#define CS4236_RIGHT_MIX_CTRL 0x58 /* right input mixer control */
165#define CS4236_LEFT_FM 0x68 /* left FM volume */
166#define CS4236_RIGHT_FM 0x78 /* right FM volume */
167#define CS4236_LEFT_DSP 0x88 /* left DSP serial port volume */
168#define CS4236_RIGHT_DSP 0x98 /* right DSP serial port volume */
169#define CS4236_RIGHT_LOOPBACK 0xa8 /* right loopback monitor volume */
170#define CS4236_DAC_MUTE 0xb8 /* DAC mute and IFSE enable */
171#define CS4236_ADC_RATE 0xc8 /* indenpendent ADC sample frequency */
172#define CS4236_DAC_RATE 0xd8 /* indenpendent DAC sample frequency */
173#define CS4236_LEFT_MASTER 0xe8 /* left master digital audio volume */
174#define CS4236_RIGHT_MASTER 0xf8 /* right master digital audio volume */
175#define CS4236_LEFT_WAVE 0x0c /* left wavetable serial port volume */
176#define CS4236_RIGHT_WAVE 0x1c /* right wavetable serial port volume */
177#define CS4236_VERSION 0x9c /* chip version and ID */
178
179/* definitions for extended registers - OPTI93X */
180#define OPTi931_AUX_LEFT_INPUT 0x10
181#define OPTi931_AUX_RIGHT_INPUT 0x11
182#define OPTi93X_MIC_LEFT_INPUT 0x14
183#define OPTi93X_MIC_RIGHT_INPUT 0x15
184#define OPTi93X_OUT_LEFT 0x16
185#define OPTi93X_OUT_RIGHT 0x17
186
187#endif /* __SOUND_CS4231_REGS_H */
188

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