sound/oss/ad1889.h

   1 #ifndef _AD1889_H_
   2 #define _AD1889_H_
   3
   4 #define AD_DS_WSMC      0x00    /* DMA input wave/syn mixer control */
   5 #define AD_DS_RAMC      0x02    /* DMA output resamp/ADC mixer control */
   6 #define AD_DS_WADA      0x04    /* DMA input wave attenuation */
   7 #define AD_DS_SYDA      0x06    /* DMA input syn attentuation */
   8 #define AD_DS_WAS       0x08    /* wave input sample rate */
   9 #define AD_DS_RES       0x0a    /* resampler output sample rate */
  10 #define AD_DS_CCS       0x0c    /* chip control/status */
  11
  12 #define AD_DMA_RESBA    0x40    /* RES base addr */
  13 #define AD_DMA_RESCA    0x44    /* RES current addr */
  14 #define AD_DMA_RESBC    0x48    /* RES base cnt */
  15 #define AD_DMA_RESCC    0x4c    /* RES current count */
  16 #define AD_DMA_ADCBA    0x50    /* ADC */
  17 #define AD_DMA_ADCCA    0x54
  18 #define AD_DMA_ADCBC    0x58
  19 #define AD_DMA_ADCCC    0x5c
  20 #define AD_DMA_SYNBA    0x60    /* SYN */
  21 #define AD_DMA_SYNCA    0x64
  22 #define AD_DMA_SYNBC    0x68
  23 #define AD_DMA_SYNCC    0x6c
  24 #define AD_DMA_WAVBA    0x70    /* WAV */
  25 #define AD_DMA_WAVCA    0x74
  26 #define AD_DMA_WAVBC    0x78
  27 #define AD_DMA_WAVCC    0x7c
  28 #define AD_DMA_RESICC   0x80    /* RES interrupt current count */
  29 #define AD_DMA_RESIBC   0x84    /* RES interrupt base count */
  30 #define AD_DMA_ADCICC   0x88    /* ADC interrupt current count */
  31 #define AD_DMA_ADCIBC   0x8c    /* ADC interrupt base count */
  32 #define AD_DMA_SYNICC   0x90    /* SYN interrupt current count */
  33 #define AD_DMA_SYNIBC   0x94    /* SYN interrupt base count */
  34 #define AD_DMA_WAVICC   0x98    /* WAV interrupt current count */
  35 #define AD_DMA_WAVIBC   0x9c    /* WAV interrupt base count */
  36 #define AD_DMA_RESCTRL  0xa0    /* RES PCI control/status */
  37 #define AD_DMA_ADCCTRL  0xa8    /* ADC PCI control/status */
  38 #define AD_DMA_SYNCTRL  0xb0    /* SYN PCI control/status */
  39 #define AD_DMA_WAVCTRL  0xb8    /* WAV PCI control/status */
  40 #define AD_DMA_DISR     0xc0    /* PCI DMA intr status */
  41 #define AD_DMA_CHSS     0xc4    /* PCI DMA channel stop status */
  42
  43 #define AD_GPIO_IPC     0xc8    /* IO port ctrl */
  44 #define AD_GPIO_OP      0xca    /* IO output status */
  45 #define AD_GPIO_IP      0xcc    /* IO input status */
  46
  47 /* AC97 registers, 0x100 - 0x17f; see ac97.h */
  48 #define AD_AC97_BASE    0x100   /* ac97 base register */
  49 #define AD_AC97_ACIC    0x180   /* AC Link interface ctrl */
  50
  51 /* OPL3; BAR1 */
  52 #define AD_OPL_M0AS     0x00    /* Music0 address/status */
  53 #define AD_OPL_M0DATA   0x01    /* Music0 data */
  54 #define AD_OPL_M1A      0x02    /* Music1 address */
  55 #define AD_OPL_M1DATA   0x03    /* Music1 data */
  56 /* 0x04-0x0f reserved */
  57
  58 /* MIDI; BAR2 */
  59 #define AD_MIDA         0x00    /* MIDI data */
  60 #define AD_MISC         0x01    /* MIDI status/cmd */
  61 /* 0x02-0xff reserved */
  62
  63 #define AD_DS_IOMEMSIZE 512
  64 #define AD_OPL_MEMSIZE  16
  65 #define AD_MIDI_MEMSIZE 16
  66
  67 #define AD_WAV_STATE    0
  68 #define AD_ADC_STATE    1
  69 #define AD_MAX_STATES   2
  70
  71 #define DMA_SIZE        (128*1024)
  72
  73 #define DMA_FLAG_MAPPED 1
  74
  75 struct ad1889_dev;
  76
  77 typedef struct ad1889_state {
  78         struct ad1889_dev *card;
  79
  80         mode_t open_mode;
  81         struct dmabuf {
  82                 unsigned int rate;
  83                 unsigned char fmt, enable;
  84
  85                 /* buf management */
  86                 size_t rawbuf_size;
  87                 void *rawbuf;
  88                 dma_addr_t dma_handle;  /* mapped address */
  89                 unsigned long dma_len;  /* number of bytes mapped */
  90
  91                 /* indexes into rawbuf for setting up DMA engine */
  92                 volatile unsigned long rd_ptr, wr_ptr;
  93
  94                 wait_queue_head_t wait; /* to wait for buf servicing */
  95
  96                 /* OSS bits */
  97                 unsigned int mapped:1;
  98                 unsigned int ready:1;
  99                 unsigned int ossfragshift;
 100                 int ossmaxfrags;
 101                 unsigned int subdivision;
 102         } dmabuf;
 103
 104         struct mutex mutex;
 105 } ad1889_state_t;
 106
 107 typedef struct ad1889_dev {
 108         void __iomem *regbase;
 109         struct pci_dev *pci;
 110
 111         spinlock_t lock;
 112
 113         int dev_audio;
 114
 115         /* states; one per channel; right now only WAV and ADC */
 116         struct ad1889_state state[AD_MAX_STATES];
 117
 118         /* AC97 codec */
 119         struct ac97_codec *ac97_codec;
 120         u16 ac97_features;
 121
 122         /* debugging stuff */
 123         struct stats {
 124                 unsigned int wav_intrs, adc_intrs;
 125                 unsigned int blocks, underrun, error;
 126         } stats;
 127 } ad1889_dev_t;
 128
 129 typedef struct ad1889_reg {
 130         const char *name;
 131         int offset;
 132         int width;
 133 } ad1889_reg_t;
 134
 135 #endif