diff options
Diffstat (limited to 'sound/pci/cs5535audio/cs5535audio.h')
| -rw-r--r-- | sound/pci/cs5535audio/cs5535audio.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/sound/pci/cs5535audio/cs5535audio.h b/sound/pci/cs5535audio/cs5535audio.h new file mode 100644 index 00000000000..5e55a1a1ed6 --- /dev/null +++ b/sound/pci/cs5535audio/cs5535audio.h @@ -0,0 +1,123 @@ +#ifndef __SOUND_CS5535AUDIO_H +#define __SOUND_CS5535AUDIO_H + +#define cs_writel(cs5535au, reg, val) outl(val, (cs5535au)->port + reg) +#define cs_writeb(cs5535au, reg, val) outb(val, (cs5535au)->port + reg) +#define cs_readl(cs5535au, reg) inl((cs5535au)->port + reg) +#define cs_readw(cs5535au, reg) inw((cs5535au)->port + reg) +#define cs_readb(cs5535au, reg) inb((cs5535au)->port + reg) + +#define CS5535AUDIO_MAX_DESCRIPTORS 128 + +/* acc_codec bar0 reg addrs */ +#define ACC_GPIO_STATUS 0x00 +#define ACC_CODEC_STATUS 0x08 +#define ACC_CODEC_CNTL 0x0C +#define ACC_IRQ_STATUS 0x12 +#define ACC_BM0_CMD 0x20 +#define ACC_BM1_CMD 0x28 +#define ACC_BM2_CMD 0x30 +#define ACC_BM3_CMD 0x38 +#define ACC_BM4_CMD 0x40 +#define ACC_BM5_CMD 0x48 +#define ACC_BM6_CMD 0x50 +#define ACC_BM7_CMD 0x58 +#define ACC_BM0_PRD 0x24 +#define ACC_BM1_PRD 0x2C +#define ACC_BM2_PRD 0x34 +#define ACC_BM3_PRD 0x3C +#define ACC_BM4_PRD 0x44 +#define ACC_BM5_PRD 0x4C +#define ACC_BM6_PRD 0x54 +#define ACC_BM7_PRD 0x5C +#define ACC_BM0_STATUS 0x21 +#define ACC_BM1_STATUS 0x29 +#define ACC_BM2_STATUS 0x31 +#define ACC_BM3_STATUS 0x39 +#define ACC_BM4_STATUS 0x41 +#define ACC_BM5_STATUS 0x49 +#define ACC_BM6_STATUS 0x51 +#define ACC_BM7_STATUS 0x59 +#define ACC_BM0_PNTR 0x60 +#define ACC_BM1_PNTR 0x64 +#define ACC_BM2_PNTR 0x68 +#define ACC_BM3_PNTR 0x6C +#define ACC_BM4_PNTR 0x70 +#define ACC_BM5_PNTR 0x74 +#define ACC_BM6_PNTR 0x78 +#define ACC_BM7_PNTR 0x7C +/* acc_codec bar0 reg bits */ +/* ACC_IRQ_STATUS */ +#define IRQ_STS 0 +#define WU_IRQ_STS 1 +#define BM0_IRQ_STS 2 +#define BM1_IRQ_STS 3 +#define BM2_IRQ_STS 4 +#define BM3_IRQ_STS 5 +#define BM4_IRQ_STS 6 +#define BM5_IRQ_STS 7 +#define BM6_IRQ_STS 8 +#define BM7_IRQ_STS 9 +/* ACC_BMX_STATUS */ +#define EOP (1<<0) +#define BM_EOP_ERR (1<<1) +/* ACC_BMX_CTL */ +#define BM_CTL_EN 0x00000001 +#define BM_CTL_PAUSE 0x00000011 +#define BM_CTL_DIS 0x00000000 +#define BM_CTL_BYTE_ORD_LE 0x00000000 +#define BM_CTL_BYTE_ORD_BE 0x00000100 +/* cs5535 specific ac97 codec register defines */ +#define CMD_MASK 0xFF00FFFF +#define CMD_NEW 0x00010000 +#define STS_NEW 0x00020000 +#define PRM_RDY_STS 0x00800000 +#define ACC_CODEC_CNTL_WR_CMD (~0x80000000) +#define ACC_CODEC_CNTL_RD_CMD 0x80000000 +#define PRD_JMP 0x2000 +#define PRD_EOP 0x4000 +#define PRD_EOT 0x8000 + +enum { CS5535AUDIO_DMA_PLAYBACK, CS5535AUDIO_DMA_CAPTURE, NUM_CS5535AUDIO_DMAS }; + +struct cs5535audio; + +struct cs5535audio_dma_ops { + int type; + void (*enable_dma)(struct cs5535audio *cs5535au); + void (*disable_dma)(struct cs5535audio *cs5535au); + void (*pause_dma)(struct cs5535audio *cs5535au); + void (*setup_prd)(struct cs5535audio *cs5535au, u32 prd_addr); + u32 (*read_dma_pntr)(struct cs5535audio *cs5535au); +}; + +struct cs5535audio_dma_desc { + u32 addr; + u16 size; + u16 ctlreserved; +}; + +struct cs5535audio_dma { + const struct cs5535audio_dma_ops *ops; + struct snd_dma_buffer desc_buf; + struct snd_pcm_substream *substream; + unsigned int buf_addr, buf_bytes; + unsigned int period_bytes, periods; +}; + +struct cs5535audio { + struct snd_card *card; + struct snd_ac97 *ac97; + int irq; + struct pci_dev *pci; + unsigned long port; + spinlock_t reg_lock; + struct snd_pcm_substream *playback_substream; + struct snd_pcm_substream *capture_substream; + struct cs5535audio_dma dmas[NUM_CS5535AUDIO_DMAS]; +}; + +int __devinit snd_cs5535audio_pcm(struct cs5535audio *cs5535audio); + +#endif /* __SOUND_CS5535AUDIO_H */ + |