sound/pci/cs5535audio/cs5535audio.h

   1 #ifndef __SOUND_CS5535AUDIO_H
   2 #define __SOUND_CS5535AUDIO_H
   3
   4 #define cs_writel(cs5535au, reg, val) outl(val, (int) cs5535au->port + reg)
   5 #define cs_writeb(cs5535au, reg, val) outb(val, (int) cs5535au->port + reg)
   6 #define cs_readl(cs5535au, reg) inl((unsigned short) (cs5535au->port + reg))
   7 #define cs_readw(cs5535au, reg) inw((unsigned short) (cs5535au->port + reg))
   8 #define cs_readb(cs5535au, reg) inb((unsigned short) (cs5535au->port + reg))
   9
  10 #define CS5535AUDIO_MAX_DESCRIPTORS     128
  11
  12 /* acc_codec bar0 reg addrs */
  13 #define ACC_GPIO_STATUS                 0x00
  14 #define ACC_CODEC_STATUS                0x08
  15 #define ACC_CODEC_CNTL                  0x0C
  16 #define ACC_IRQ_STATUS                  0x12
  17 #define ACC_BM0_CMD                     0x20
  18 #define ACC_BM1_CMD                     0x28
  19 #define ACC_BM2_CMD                     0x30
  20 #define ACC_BM3_CMD                     0x38
  21 #define ACC_BM4_CMD                     0x40
  22 #define ACC_BM5_CMD                     0x48
  23 #define ACC_BM6_CMD                     0x50
  24 #define ACC_BM7_CMD                     0x58
  25 #define ACC_BM0_PRD                     0x24
  26 #define ACC_BM1_PRD                     0x2C
  27 #define ACC_BM2_PRD                     0x34
  28 #define ACC_BM3_PRD                     0x3C
  29 #define ACC_BM4_PRD                     0x44
  30 #define ACC_BM5_PRD                     0x4C
  31 #define ACC_BM6_PRD                     0x54
  32 #define ACC_BM7_PRD                     0x5C
  33 #define ACC_BM0_STATUS                  0x21
  34 #define ACC_BM1_STATUS                  0x29
  35 #define ACC_BM2_STATUS                  0x31
  36 #define ACC_BM3_STATUS                  0x39
  37 #define ACC_BM4_STATUS                  0x41
  38 #define ACC_BM5_STATUS                  0x49
  39 #define ACC_BM6_STATUS                  0x51
  40 #define ACC_BM7_STATUS                  0x59
  41 #define ACC_BM0_PNTR                    0x60
  42 #define ACC_BM1_PNTR                    0x64
  43 #define ACC_BM2_PNTR                    0x68
  44 #define ACC_BM3_PNTR                    0x6C
  45 #define ACC_BM4_PNTR                    0x70
  46 #define ACC_BM5_PNTR                    0x74
  47 #define ACC_BM6_PNTR                    0x78
  48 #define ACC_BM7_PNTR                    0x7C
  49 /* acc_codec bar0 reg bits */
  50 /* ACC_IRQ_STATUS */
  51 #define IRQ_STS                         0
  52 #define WU_IRQ_STS                      1
  53 #define BM0_IRQ_STS                     2
  54 #define BM1_IRQ_STS                     3
  55 #define BM2_IRQ_STS                     4
  56 #define BM3_IRQ_STS                     5
  57 #define BM4_IRQ_STS                     6
  58 #define BM5_IRQ_STS                     7
  59 #define BM6_IRQ_STS                     8
  60 #define BM7_IRQ_STS                     9
  61 /* ACC_BMX_STATUS */
  62 #define EOP                             (1<<0)
  63 #define BM_EOP_ERR                      (1<<1)
  64 /* ACC_BMX_CTL */
  65 #define BM_CTL_EN                       0x00000001
  66 #define BM_CTL_PAUSE                    0x00000011
  67 #define BM_CTL_DIS                      0x00000000
  68 #define BM_CTL_BYTE_ORD_LE              0x00000000
  69 #define BM_CTL_BYTE_ORD_BE              0x00000100
  70 /* cs5535 specific ac97 codec register defines */
  71 #define CMD_MASK                        0xFF00FFFF
  72 #define CMD_NEW                         0x00010000
  73 #define STS_NEW                         0x00020000
  74 #define PRM_RDY_STS                     0x00800000
  75 #define ACC_CODEC_CNTL_WR_CMD           (~0x80000000)
  76 #define ACC_CODEC_CNTL_RD_CMD           0x80000000
  77 #define PRD_JMP                         0x2000
  78 #define PRD_EOP                         0x4000
  79 #define PRD_EOT                         0x8000
  80
  81 typedef struct _snd_cs5535audio cs5535audio_t;
  82 typedef struct snd_cs5535audio_dma cs5535audio_dma_t;
  83 typedef struct snd_cs5535audio_dma_ops cs5535audio_dma_ops_t;
  84
  85 enum { CS5535AUDIO_DMA_PLAYBACK, CS5535AUDIO_DMA_CAPTURE, NUM_CS5535AUDIO_DMAS };
  86 struct snd_cs5535audio_dma_ops {
  87         int type;
  88         void (*enable_dma)(cs5535audio_t *cs5535au);
  89         void (*disable_dma)(cs5535audio_t *cs5535au);
  90         void (*pause_dma)(cs5535audio_t *cs5535au);
  91         void (*setup_prd)(cs5535audio_t *cs5535au, u32 prd_addr);
  92         u32 (*read_dma_pntr)(cs5535audio_t *cs5535au);
  93 };
  94
  95 typedef struct cs5535audio_dma_desc {
  96         u32 addr;
  97         u16 size;
  98         u16 ctlreserved;
  99 } cs5535audio_dma_desc_t;
 100
 101 struct snd_cs5535audio_dma {
 102         const cs5535audio_dma_ops_t *ops;
 103         struct snd_dma_buffer desc_buf;
 104         snd_pcm_substream_t *substream;
 105         unsigned int buf_addr, buf_bytes;
 106         unsigned int period_bytes, periods;
 107 };
 108
 109 struct _snd_cs5535audio {
 110         snd_card_t *card;
 111         ac97_t *ac97;
 112         int irq;
 113         struct pci_dev *pci;
 114         unsigned long port;
 115         spinlock_t reg_lock;
 116         snd_pcm_substream_t *playback_substream;
 117         snd_pcm_substream_t *capture_substream;
 118         cs5535audio_dma_t dmas[NUM_CS5535AUDIO_DMAS];
 119 };
 120
 121 int __devinit snd_cs5535audio_pcm(cs5535audio_t *cs5535audio);
 122 #endif /* __SOUND_CS5535AUDIO_H */
 123