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