1/* SPDX-License-Identifier: GPL-2.0 */
2/* Analog Devices 1889 audio driver
3 * Copyright (C) 2004, Kyle McMartin <kyle@parisc-linux.org>
4 */
5
6#ifndef __AD1889_H__
7#define __AD1889_H__
8
9#define AD_DS_WSMC 0x00 /* wave/synthesis channel mixer control */
10#define AD_DS_WSMC_SYEN 0x0004 /* synthesis channel enable */
11#define AD_DS_WSMC_SYRQ 0x0030 /* synth. fifo request point */
12#define AD_DS_WSMC_WA16 0x0100 /* wave channel 16bit select */
13#define AD_DS_WSMC_WAST 0x0200 /* wave channel stereo select */
14#define AD_DS_WSMC_WAEN 0x0400 /* wave channel enable */
15#define AD_DS_WSMC_WARQ 0x3000 /* wave fifo request point */
16
17#define AD_DS_RAMC 0x02 /* resampler/ADC channel mixer control */
18#define AD_DS_RAMC_AD16 0x0001 /* ADC channel 16bit select */
19#define AD_DS_RAMC_ADST 0x0002 /* ADC channel stereo select */
20#define AD_DS_RAMC_ADEN 0x0004 /* ADC channel enable */
21#define AD_DS_RAMC_ACRQ 0x0030 /* ADC fifo request point */
22#define AD_DS_RAMC_REEN 0x0400 /* resampler channel enable */
23#define AD_DS_RAMC_RERQ 0x3000 /* res. fifo request point */
24
25#define AD_DS_WADA 0x04 /* wave channel mix attenuation */
26#define AD_DS_WADA_RWAM 0x0080 /* right wave mute */
27#define AD_DS_WADA_RWAA 0x001f /* right wave attenuation */
28#define AD_DS_WADA_LWAM 0x8000 /* left wave mute */
29#define AD_DS_WADA_LWAA 0x3e00 /* left wave attenuation */
30
31#define AD_DS_SYDA 0x06 /* synthesis channel mix attenuation */
32#define AD_DS_SYDA_RSYM 0x0080 /* right synthesis mute */
33#define AD_DS_SYDA_RSYA 0x001f /* right synthesis attenuation */
34#define AD_DS_SYDA_LSYM 0x8000 /* left synthesis mute */
35#define AD_DS_SYDA_LSYA 0x3e00 /* left synthesis attenuation */
36
37#define AD_DS_WAS 0x08 /* wave channel sample rate */
38#define AD_DS_WAS_WAS 0xffff /* sample rate mask */
39
40#define AD_DS_RES 0x0a /* resampler channel sample rate */
41#define AD_DS_RES_RES 0xffff /* sample rate mask */
42
43#define AD_DS_CCS 0x0c /* chip control/status */
44#define AD_DS_CCS_ADO 0x0001 /* ADC channel overflow */
45#define AD_DS_CCS_REO 0x0002 /* resampler channel overflow */
46#define AD_DS_CCS_SYU 0x0004 /* synthesis channel underflow */
47#define AD_DS_CCS_WAU 0x0008 /* wave channel underflow */
48/* bits 4 -> 7, 9, 11 -> 14 reserved */
49#define AD_DS_CCS_XTD 0x0100 /* xtd delay control (4096 clock cycles) */
50#define AD_DS_CCS_PDALL 0x0400 /* power */
51#define AD_DS_CCS_CLKEN 0x8000 /* clock */
52
53#define AD_DMA_RESBA 0x40 /* RES base address */
54#define AD_DMA_RESCA 0x44 /* RES current address */
55#define AD_DMA_RESBC 0x48 /* RES base count */
56#define AD_DMA_RESCC 0x4c /* RES current count */
57
58#define AD_DMA_ADCBA 0x50 /* ADC base address */
59#define AD_DMA_ADCCA 0x54 /* ADC current address */
60#define AD_DMA_ADCBC 0x58 /* ADC base count */
61#define AD_DMA_ADCCC 0x5c /* ADC current count */
62
63#define AD_DMA_SYNBA 0x60 /* synth base address */
64#define AD_DMA_SYNCA 0x64 /* synth current address */
65#define AD_DMA_SYNBC 0x68 /* synth base count */
66#define AD_DMA_SYNCC 0x6c /* synth current count */
67
68#define AD_DMA_WAVBA 0x70 /* wave base address */
69#define AD_DMA_WAVCA 0x74 /* wave current address */
70#define AD_DMA_WAVBC 0x78 /* wave base count */
71#define AD_DMA_WAVCC 0x7c /* wave current count */
72
73#define AD_DMA_RESIC 0x80 /* RES dma interrupt current byte count */
74#define AD_DMA_RESIB 0x84 /* RES dma interrupt base byte count */
75
76#define AD_DMA_ADCIC 0x88 /* ADC dma interrupt current byte count */
77#define AD_DMA_ADCIB 0x8c /* ADC dma interrupt base byte count */
78
79#define AD_DMA_SYNIC 0x90 /* synth dma interrupt current byte count */
80#define AD_DMA_SYNIB 0x94 /* synth dma interrupt base byte count */
81
82#define AD_DMA_WAVIC 0x98 /* wave dma interrupt current byte count */
83#define AD_DMA_WAVIB 0x9c /* wave dma interrupt base byte count */
84
85#define AD_DMA_ICC 0xffffff /* current byte count mask */
86#define AD_DMA_IBC 0xffffff /* base byte count mask */
87/* bits 24 -> 31 reserved */
88
89/* 4 bytes pad */
90#define AD_DMA_ADC 0xa8 /* ADC dma control and status */
91#define AD_DMA_SYNTH 0xb0 /* Synth dma control and status */
92#define AD_DMA_WAV 0xb8 /* wave dma control and status */
93#define AD_DMA_RES 0xa0 /* Resample dma control and status */
94
95#define AD_DMA_SGDE 0x0001 /* SGD mode enable */
96#define AD_DMA_LOOP 0x0002 /* loop enable */
97#define AD_DMA_IM 0x000c /* interrupt mode mask */
98#define AD_DMA_IM_DIS (~AD_DMA_IM) /* disable */
99#define AD_DMA_IM_CNT 0x0004 /* interrupt on count */
100#define AD_DMA_IM_SGD 0x0008 /* interrupt on SGD flag */
101#define AD_DMA_IM_EOL 0x000c /* interrupt on End of Linked List */
102#define AD_DMA_SGDS 0x0030 /* SGD status */
103#define AD_DMA_SFLG 0x0040 /* SGD flag */
104#define AD_DMA_EOL 0x0080 /* SGD end of list */
105/* bits 8 -> 15 reserved */
106
107#define AD_DMA_DISR 0xc0 /* dma interrupt status */
108#define AD_DMA_DISR_RESI 0x000001 /* resampler channel interrupt */
109#define AD_DMA_DISR_ADCI 0x000002 /* ADC channel interrupt */
110#define AD_DMA_DISR_SYNI 0x000004 /* synthesis channel interrupt */
111#define AD_DMA_DISR_WAVI 0x000008 /* wave channel interrupt */
112/* bits 4, 5 reserved */
113#define AD_DMA_DISR_SEPS 0x000040 /* serial eeprom status */
114/* bits 7 -> 13 reserved */
115#define AD_DMA_DISR_PMAI 0x004000 /* pci master abort interrupt */
116#define AD_DMA_DISR_PTAI 0x008000 /* pci target abort interrupt */
117#define AD_DMA_DISR_PTAE 0x010000 /* pci target abort interrupt enable */
118#define AD_DMA_DISR_PMAE 0x020000 /* pci master abort interrupt enable */
119/* bits 19 -> 31 reserved */
120
121/* interrupt mask */
122#define AD_INTR_MASK (AD_DMA_DISR_RESI|AD_DMA_DISR_ADCI| \
123 AD_DMA_DISR_WAVI|AD_DMA_DISR_SYNI| \
124 AD_DMA_DISR_PMAI|AD_DMA_DISR_PTAI)
125
126#define AD_DMA_CHSS 0xc4 /* dma channel stop status */
127#define AD_DMA_CHSS_RESS 0x000001 /* resampler channel stopped */
128#define AD_DMA_CHSS_ADCS 0x000002 /* ADC channel stopped */
129#define AD_DMA_CHSS_SYNS 0x000004 /* synthesis channel stopped */
130#define AD_DMA_CHSS_WAVS 0x000008 /* wave channel stopped */
131
132#define AD_GPIO_IPC 0xc8 /* gpio port control */
133#define AD_GPIO_OP 0xca /* gpio output port status */
134#define AD_GPIO_IP 0xcc /* gpio input port status */
135
136#define AD_AC97_BASE 0x100 /* ac97 base register */
137
138#define AD_AC97_RESET 0x100 /* reset */
139
140#define AD_AC97_PWR_CTL 0x126 /* == AC97_POWERDOWN */
141#define AD_AC97_PWR_ADC 0x0001 /* ADC ready status */
142#define AD_AC97_PWR_DAC 0x0002 /* DAC ready status */
143#define AD_AC97_PWR_PR0 0x0100 /* PR0 (ADC) powerdown */
144#define AD_AC97_PWR_PR1 0x0200 /* PR1 (DAC) powerdown */
145
146#define AD_MISC_CTL 0x176 /* misc control */
147#define AD_MISC_CTL_DACZ 0x8000 /* set for zero fill, unset for repeat */
148#define AD_MISC_CTL_ARSR 0x0001 /* set for SR1, unset for SR0 */
149#define AD_MISC_CTL_ALSR 0x0100
150#define AD_MISC_CTL_DLSR 0x0400
151#define AD_MISC_CTL_DRSR 0x0004
152
153#define AD_AC97_SR0 0x178 /* sample rate 0, 0xbb80 == 48K */
154#define AD_AC97_SR0_48K 0xbb80 /* 48KHz */
155#define AD_AC97_SR1 0x17a /* sample rate 1 */
156
157#define AD_AC97_ACIC 0x180 /* ac97 codec interface control */
158#define AD_AC97_ACIC_ACIE 0x0001 /* analog codec interface enable */
159#define AD_AC97_ACIC_ACRD 0x0002 /* analog codec reset disable */
160#define AD_AC97_ACIC_ASOE 0x0004 /* audio stream output enable */
161#define AD_AC97_ACIC_VSRM 0x0008 /* variable sample rate mode */
162#define AD_AC97_ACIC_FSDH 0x0100 /* force SDATA_OUT high */
163#define AD_AC97_ACIC_FSYH 0x0200 /* force sync high */
164#define AD_AC97_ACIC_ACRDY 0x8000 /* analog codec ready status */
165/* bits 10 -> 14 reserved */
166
167
168#define AD_DS_MEMSIZE 512
169#define AD_OPL_MEMSIZE 16
170#define AD_MIDI_MEMSIZE 16
171
172#define AD_WAV_STATE 0
173#define AD_ADC_STATE 1
174#define AD_MAX_STATES 2
175
176#define AD_CHAN_WAV 0x0001
177#define AD_CHAN_ADC 0x0002
178#define AD_CHAN_RES 0x0004
179#define AD_CHAN_SYN 0x0008
180
181
182/* The chip would support 4 GB buffers and 16 MB periods,
183 * but let's not overdo it ... */
184#define BUFFER_BYTES_MAX (256 * 1024)
185#define PERIOD_BYTES_MIN 32
186#define PERIOD_BYTES_MAX (BUFFER_BYTES_MAX / 2)
187#define PERIODS_MIN 2
188#define PERIODS_MAX (BUFFER_BYTES_MAX / PERIOD_BYTES_MIN)
189
190#endif /* __AD1889_H__ */
191

source code of linux/sound/pci/ad1889.h