124 lines
3.6 KiB
C
124 lines
3.6 KiB
C
#ifndef __SOUND_CS5535AUDIO_H
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#define __SOUND_CS5535AUDIO_H
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#define cs_writel(cs5535au, reg, val) outl(val, (int) cs5535au->port + reg)
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#define cs_writeb(cs5535au, reg, val) outb(val, (int) cs5535au->port + reg)
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#define cs_readl(cs5535au, reg) inl((unsigned short) (cs5535au->port + reg))
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#define cs_readw(cs5535au, reg) inw((unsigned short) (cs5535au->port + reg))
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#define cs_readb(cs5535au, reg) inb((unsigned short) (cs5535au->port + reg))
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#define CS5535AUDIO_MAX_DESCRIPTORS 128
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/* acc_codec bar0 reg addrs */
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#define ACC_GPIO_STATUS 0x00
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#define ACC_CODEC_STATUS 0x08
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#define ACC_CODEC_CNTL 0x0C
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#define ACC_IRQ_STATUS 0x12
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#define ACC_BM0_CMD 0x20
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#define ACC_BM1_CMD 0x28
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#define ACC_BM2_CMD 0x30
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#define ACC_BM3_CMD 0x38
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#define ACC_BM4_CMD 0x40
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#define ACC_BM5_CMD 0x48
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#define ACC_BM6_CMD 0x50
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#define ACC_BM7_CMD 0x58
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#define ACC_BM0_PRD 0x24
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#define ACC_BM1_PRD 0x2C
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#define ACC_BM2_PRD 0x34
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#define ACC_BM3_PRD 0x3C
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#define ACC_BM4_PRD 0x44
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#define ACC_BM5_PRD 0x4C
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#define ACC_BM6_PRD 0x54
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#define ACC_BM7_PRD 0x5C
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#define ACC_BM0_STATUS 0x21
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#define ACC_BM1_STATUS 0x29
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#define ACC_BM2_STATUS 0x31
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#define ACC_BM3_STATUS 0x39
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#define ACC_BM4_STATUS 0x41
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#define ACC_BM5_STATUS 0x49
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#define ACC_BM6_STATUS 0x51
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#define ACC_BM7_STATUS 0x59
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#define ACC_BM0_PNTR 0x60
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#define ACC_BM1_PNTR 0x64
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#define ACC_BM2_PNTR 0x68
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#define ACC_BM3_PNTR 0x6C
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#define ACC_BM4_PNTR 0x70
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#define ACC_BM5_PNTR 0x74
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#define ACC_BM6_PNTR 0x78
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#define ACC_BM7_PNTR 0x7C
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/* acc_codec bar0 reg bits */
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/* ACC_IRQ_STATUS */
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#define IRQ_STS 0
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#define WU_IRQ_STS 1
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#define BM0_IRQ_STS 2
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#define BM1_IRQ_STS 3
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#define BM2_IRQ_STS 4
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#define BM3_IRQ_STS 5
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#define BM4_IRQ_STS 6
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#define BM5_IRQ_STS 7
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#define BM6_IRQ_STS 8
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#define BM7_IRQ_STS 9
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/* ACC_BMX_STATUS */
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#define EOP (1<<0)
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#define BM_EOP_ERR (1<<1)
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/* ACC_BMX_CTL */
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#define BM_CTL_EN 0x00000001
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#define BM_CTL_PAUSE 0x00000011
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#define BM_CTL_DIS 0x00000000
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#define BM_CTL_BYTE_ORD_LE 0x00000000
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#define BM_CTL_BYTE_ORD_BE 0x00000100
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/* cs5535 specific ac97 codec register defines */
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#define CMD_MASK 0xFF00FFFF
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#define CMD_NEW 0x00010000
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#define STS_NEW 0x00020000
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#define PRM_RDY_STS 0x00800000
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#define ACC_CODEC_CNTL_WR_CMD (~0x80000000)
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#define ACC_CODEC_CNTL_RD_CMD 0x80000000
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#define PRD_JMP 0x2000
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#define PRD_EOP 0x4000
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#define PRD_EOT 0x8000
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typedef struct _snd_cs5535audio cs5535audio_t;
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typedef struct snd_cs5535audio_dma cs5535audio_dma_t;
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typedef struct snd_cs5535audio_dma_ops cs5535audio_dma_ops_t;
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enum { CS5535AUDIO_DMA_PLAYBACK, CS5535AUDIO_DMA_CAPTURE, NUM_CS5535AUDIO_DMAS };
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struct snd_cs5535audio_dma_ops {
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int type;
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void (*enable_dma)(cs5535audio_t *cs5535au);
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void (*disable_dma)(cs5535audio_t *cs5535au);
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void (*pause_dma)(cs5535audio_t *cs5535au);
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void (*setup_prd)(cs5535audio_t *cs5535au, u32 prd_addr);
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u32 (*read_dma_pntr)(cs5535audio_t *cs5535au);
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};
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typedef struct cs5535audio_dma_desc {
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u32 addr;
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u16 size;
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u16 ctlreserved;
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} cs5535audio_dma_desc_t;
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struct snd_cs5535audio_dma {
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const cs5535audio_dma_ops_t *ops;
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struct snd_dma_buffer desc_buf;
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snd_pcm_substream_t *substream;
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unsigned int buf_addr, buf_bytes;
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unsigned int period_bytes, periods;
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};
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struct _snd_cs5535audio {
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snd_card_t *card;
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ac97_t *ac97;
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int irq;
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struct pci_dev *pci;
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unsigned long port;
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spinlock_t reg_lock;
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snd_pcm_substream_t *playback_substream;
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snd_pcm_substream_t *capture_substream;
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cs5535audio_dma_t dmas[NUM_CS5535AUDIO_DMAS];
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};
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int __devinit snd_cs5535audio_pcm(cs5535audio_t *cs5535audio);
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#endif /* __SOUND_CS5535AUDIO_H */
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