xref: /openbsd/sys/dev/ic/ac97.h (revision 72b867c7)
1 /*	$OpenBSD: ac97.h,v 1.27 2018/04/11 04:48:31 ratchov Exp $	*/
2 
3 /*
4  * Copyright (c) 1999 Constantine Sapuntzakis
5  *
6  * Author:	Constantine Sapuntzakis <csapuntz@stanford.edu>
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  *
17  * THIS SOFTWARE IS PROVIDED BY CONSTANTINE SAPUNTZAKIS AND CONTRIBUTORS
18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27  * POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 struct ac97_codec_if;
31 
32 /*
33  * This is the interface used to attach the AC97 compliant CODEC.
34  */
35 enum ac97_host_flags {
36 	AC97_HOST_DONT_READ = 0x1,
37 	AC97_HOST_DONT_READANY = 0x2,
38 	AC97_HOST_SWAPPED_CHANNELS = 0x4,
39 	AC97_HOST_ALC650_PIN47_IS_EAPD = 0x8,
40 	AC97_HOST_VT1616_DYNEX = 0x10
41 };
42 
43 struct ac97_host_if {
44 	void  *arg;
45 
46 	int (*attach)(void *arg, struct ac97_codec_if *codecif);
47 	int (*read)(void *arg, u_int8_t reg, u_int16_t *val);
48 	int (*write)(void *arg, u_int8_t reg, u_int16_t val);
49 	void (*reset)(void *arg);
50 
51 	enum ac97_host_flags (*flags)(void *arg);
52 	void (*spdif_event)(void *arg, int);
53 };
54 
55 /*
56  * This is the interface exported by the AC97 compliant CODEC
57  */
58 
59 struct ac97_codec_if_vtbl {
60 	int (*mixer_get_port)(struct ac97_codec_if *addr, mixer_ctrl_t *cp);
61 	int (*mixer_set_port)(struct ac97_codec_if *addr, mixer_ctrl_t *cp);
62 	int (*query_devinfo)(struct ac97_codec_if *addr, mixer_devinfo_t *cp);
63 	int (*get_portnum_by_name)(struct ac97_codec_if *addr, char *class,
64 	    char *device, char *qualifier);
65 	u_int16_t (*get_caps)(struct ac97_codec_if *codec_if);
66 	int (*set_rate)(struct ac97_codec_if *codec_if, int target,
67 	    u_long *rate);
68 	void (*set_clock)(struct ac97_codec_if *codec_if,
69 	    unsigned int clock);
70 	void (*lock)(struct ac97_codec_if *codec_if);
71 	void (*unlock)(struct ac97_codec_if *codec_if);
72 };
73 
74 struct ac97_codec_if {
75 	struct ac97_softc *as;
76 	void (*initfunc)(struct ac97_softc *, int);
77 	struct ac97_codec_if_vtbl *vtbl;
78 };
79 
80 int ac97_attach(struct ac97_host_if *);
81 int ac97_resume(struct ac97_host_if *, struct ac97_codec_if *);
82 int ac97_set_rate(struct ac97_codec_if *, int, u_long *);
83 
84 #define	AC97_REG_RESET			0x00
85 #define	AC97_CAPS_MICIN			0x0001
86 #define	AC97_CAPS_TONECTRL		0x0004
87 #define	AC97_CAPS_SIMSTEREO		0x0008
88 #define	AC97_CAPS_HEADPHONES		0x0010
89 #define	AC97_CAPS_LOUDNESS		0x0020
90 #define	AC97_CAPS_DAC18			0x0040
91 #define	AC97_CAPS_DAC20			0x0080
92 #define	AC97_CAPS_ADC18			0x0100
93 #define	AC97_CAPS_ADC20			0x0200
94 #define	AC97_CAPS_ENHANCEMENT_MASK	0xfc00
95 #define	AC97_CAPS_ENHANCEMENT_SHIFT	10
96 #define	AC97_CAPS_ENHANCEMENT(reg)	(((reg) >> 10) & 0x1f)
97 #define	AC97_REG_MASTER_VOLUME		0x02
98 #define	AC97_REG_HEADPHONE_VOLUME	0x04
99 #define	AC97_REG_MASTER_VOLUME_MONO	0x06
100 #define	AC97_REG_MASTER_TONE		0x08
101 #define	AC97_REG_PCBEEP_VOLUME		0x0a
102 #define	AC97_REG_PHONE_VOLUME		0x0c
103 #define	AC97_REG_MIC_VOLUME		0x0e
104 #define	AC97_REG_LINEIN_VOLUME		0x10
105 #define	AC97_REG_CD_VOLUME		0x12
106 #define	AC97_REG_VIDEO_VOLUME		0x14
107 #define	AC97_REG_AUX_VOLUME		0x16
108 #define	AC97_REG_PCMOUT_VOLUME		0x18
109 #define	AC97_REG_RECORD_SELECT		0x1a
110 #define	AC97_REG_RECORD_GAIN		0x1c
111 #define	AC97_REG_RECORD_GAIN_MIC	0x1e
112 #define	AC97_REG_GP			0x20
113 #define	AC97_REG_3D_CONTROL		0x22
114 #define	AC97_REG_MODEM_SAMPLE_RATE	0x24
115 #define	AC97_REG_POWER			0x26
116 #define	AC97_POWER_ADC			0x0001
117 #define	AC97_POWER_DAC			0x0002
118 #define	AC97_POWER_ANL			0x0004
119 #define	AC97_POWER_REF			0x0008
120 #define	AC97_POWER_IN			0x0100
121 #define	AC97_POWER_OUT			0x0200
122 #define	AC97_POWER_MIXER		0x0400
123 #define	AC97_POWER_MIXER_VREF		0x0800
124 #define	AC97_POWER_ACLINK		0x1000
125 #define	AC97_POWER_CLK			0x2000
126 #define	AC97_POWER_AUX			0x4000
127 #define	AC97_POWER_EAMP			0x8000
128 	/* Extended Audio Register Set */
129 #define	AC97_REG_EXT_AUDIO_ID		0x28
130 #define	AC97_REG_EXT_AUDIO_CTRL		0x2a
131 #define	AC97_EXT_AUDIO_VRA		0x0001
132 #define	AC97_EXT_AUDIO_DRA		0x0002
133 #define	AC97_EXT_AUDIO_SPDIF		0x0004
134 #define	AC97_EXT_AUDIO_VRM		0x0008
135 #define	AC97_EXT_AUDIO_DSA_MASK		0x0030
136 #define	AC97_EXT_AUDIO_DSA00		0x0000
137 #define	AC97_EXT_AUDIO_DSA01		0x0010
138 #define	AC97_EXT_AUDIO_DSA10		0x0020
139 #define	AC97_EXT_AUDIO_DSA11		0x0030
140 #define	AC97_EXT_AUDIO_SPSA_MASK	0x0030
141 #define	AC97_EXT_AUDIO_SPSA34		0x0000
142 #define	AC97_EXT_AUDIO_SPSA78		0x0010
143 #define	AC97_EXT_AUDIO_SPSA69		0x0020
144 #define	AC97_EXT_AUDIO_SPSAAB		0x0030
145 #define	AC97_EXT_AUDIO_CDAC		0x0040
146 #define	AC97_EXT_AUDIO_SDAC		0x0080
147 #define	AC97_EXT_AUDIO_LDAC		0x0100
148 #define	AC97_EXT_AUDIO_AMAP		0x0200
149 #define AC97_EXT_AUDIO_SPCV		0x0400
150 #define	AC97_EXT_AUDIO_REV_11		0x0000
151 #define	AC97_EXT_AUDIO_REV_22		0x0400
152 #define	AC97_EXT_AUDIO_REV_23		0x0800
153 #define	AC97_EXT_AUDIO_REV_MASK		0x0c00
154 #define	AC97_EXT_AUDIO_ID		0xc000
155 #define	AC97_EXT_AUDIO_BITS		"\020\01vra\02dra\03spdif\04vrm\05dsa0\06dsa1\07cdac\010sdac\011ldac\012amap\013rev0\014rev1\017id0\020id1"
156 #define AC97_SINGLE_RATE		48000
157 #define AC97_REG_PCM_FRONT_DAC_RATE	0x2c
158 #define AC97_REG_PCM_SURR_DAC_RATE	0x2e
159 #define AC97_REG_PCM_LFE_DAC_RATE	0x30
160 #define AC97_REG_PCM_LR_ADC_RATE	0x32
161 #define AC97_REG_PCM_MIC_ADC_RATE	0x34
162 #define AC97_REG_CENTER_LFE_MASTER	0x36
163 #define AC97_REG_SURR_MASTER		0x38
164 #define	AC97_REG_SPDIF_CTRL		0x3a
165 #define	AC97_REG_SPDIF_CTRL_BITS	"\02\01pro\02/audio\03copy\04pre\014l\017drs\020valid"
166 #define	AC97_SPDIF_V			0x8000
167 #define	AC97_SPDIF_DRS			0x4000
168 #define	AC97_SPDIF_SPSR_MASK		0x3000
169 #define	AC97_SPDIF_SPSR_44K		0x0000
170 #define	AC97_SPDIF_SPSR_48K		0x2000
171 #define	AC97_SPDIF_SPSR_32K		0x1000
172 #define	AC97_SPDIF_L			0x0800
173 #define	AC97_SPDIF_CC_MASK		0x07f0
174 #define	AC97_SPDIF_PRE			0x0008
175 #define	AC97_SPDIF_COPY			0x0004
176 #define	AC97_SPDIF_NOAUDIO		0x0002
177 #define	AC97_SPDIF_PRO			0x0001
178 
179 #define	AC97_REG_VENDOR_ID1		0x7c
180 #define	AC97_REG_VENDOR_ID2		0x7e
181 #define	AC97_VENDOR_ID_MASK		0xffffff00
182 
183 
184 /* Analog Devices codec specific data */
185 #define AC97_AD_REG_MISC	0x76
186 #define AC97_AD_MISC_MBG0	0x0001	/* 0 */
187 #define AC97_AD_MISC_MBG1	0x0002	/* 1 */
188 #define AC97_AD_MISC_VREFD	0x0004	/* 2 */
189 #define AC97_AD_MISC_VREFH	0x0008	/* 3 */
190 #define AC97_AD_MISC_SRU	0x0010	/* 4 */
191 #define AC97_AD_MISC_LOSEL	0x0020	/* 5 */
192 #define AC97_AD_MISC_2CMIC	0x0040	/* 6 */
193 #define AC97_AD_MISC_SPRD	0x0080	/* 7 */
194 #define AC97_AD_MISC_DMIX0	0x0100	/* 8 */
195 #define AC97_AD_MISC_DMIX1	0x0200	/* 9 */
196 #define AC97_AD_MISC_HPSEL	0x0400	/*10 */
197 #define AC97_AD_MISC_CLDIS	0x0800	/*11 */
198 #define AC97_AD_MISC_LODIS	0x1000	/*12 */
199 #define AC97_AD_MISC_MSPLT	0x2000	/*13 */
200 #define AC97_AD_MISC_AC97NC	0x4000	/*14 */
201 #define AC97_AD_MISC_DACZ	0x8000	/*15 */
202 
203 /* Avance Logic codec specific data*/
204 #define AC97_ALC650_REG_MULTI_CHANNEL_CONTROL		0x6a
205 #define	AC97_ALC650_MCC_SLOT_MODIFY_MASK		0xc000
206 #define	AC97_ALC650_MCC_FRONTDAC_FROM_SPDIFIN		0x2000
207 #define	AC97_ALC650_MCC_SPDIFOUT_FROM_ADC		0x1000
208 #define	AC97_ALC650_MCC_PCM_FROM_SPDIFIN		0x0800
209 #define	AC97_ALC650_MCC_MIC_OR_CENTERLFE		0x0400
210 #define	AC97_ALC650_MCC_LINEIN_OR_SURROUND		0x0200
211 #define	AC97_ALC650_MCC_INDEPENDENT_MASTER_L		0x0080
212 #define	AC97_ALC650_MCC_INDEPENDENT_MASTER_R		0x0040
213 #define	AC97_ALC650_MCC_ANALOG_TO_CENTERLFE		0x0020
214 #define	AC97_ALC650_MCC_ANALOG_TO_SURROUND		0x0010
215 #define	AC97_ALC650_MCC_EXCHANGE_CENTERLFE		0x0008
216 #define	AC97_ALC650_MCC_CENTERLFE_DOWNMIX		0x0004
217 #define	AC97_ALC650_MCC_SURROUND_DOWNMIX		0x0002
218 #define	AC97_ALC650_MCC_LINEOUT_TO_SURROUND		0x0001
219 #define AC97_ALC650_REG_MISC				0x7a
220 #define	AC97_ALC650_MISC_PIN47				0x0002
221 #define	AC97_ALC650_MISC_VREFDIS			0x1000
222 
223 
224 /* Conexant codec specific data */
225 #define AC97_CX_REG_MISC	0x5c
226 #define AC97_CX_PCM		0x00
227 #define AC97_CX_AC3		0x02
228 #define AC97_CX_MASK		0x03
229 #define AC97_CX_COPYRIGHT	0x04
230 #define AC97_CX_SPDIFEN		0x08
231 
232 
233 /* VIA codec specific data */
234 #define AC97_VT_REG_TEST	0x5a
235 #define AC97_VT_LVL		0x8000	/* hp controls rear */
236 #define AC97_VT_LCTF		0x1000	/* lfe/center to front downmix */
237 #define AC97_VT_STF		0x0800	/* surround to front downmix */
238 #define AC97_VT_BPDC		0x0400	/* enable DC-offset cancellation */
239 #define AC97_VT_DC		0x0200	/* DC offset cancellation capable */
240 
241 #define AC97_IS_FIXED_RATE(codec)	!((codec)->vtbl->get_caps(codec) & \
242     AC97_EXT_AUDIO_VRA)
243 #define AC97_BITS_6CH	(AC97_EXT_AUDIO_SDAC | AC97_EXT_AUDIO_CDAC | \
244     AC97_EXT_AUDIO_LDAC)
245