4ea2416398
We really only care about the first two bus masters (playback and capture). There's no need to have unused BM code lying around, so let's get rid of it. If for some reason we trigger an IRQ for some BM that we're not using.. well, that warrants spitting out an error message (imo). Signed-off-by: Andres Salomon <dilinger@debian.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
102 lines
2.9 KiB
C
102 lines
2.9 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, (cs5535au)->port + reg)
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#define cs_writeb(cs5535au, reg, val) outb(val, (cs5535au)->port + reg)
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#define cs_readl(cs5535au, reg) inl((cs5535au)->port + reg)
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#define cs_readw(cs5535au, reg) inw((cs5535au)->port + reg)
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#define cs_readb(cs5535au, reg) inb((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_BM0_PRD 0x24
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#define ACC_BM1_PRD 0x2C
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#define ACC_BM0_STATUS 0x21
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#define ACC_BM1_STATUS 0x29
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#define ACC_BM0_PNTR 0x60
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#define ACC_BM1_PNTR 0x64
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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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/* 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 0x01
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#define BM_CTL_PAUSE 0x03
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#define BM_CTL_DIS 0x00
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#define BM_CTL_BYTE_ORD_LE 0x00
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#define BM_CTL_BYTE_ORD_BE 0x04
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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 ACC_CODEC_CNTL_LNK_SHUTDOWN 0x00040000
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#define ACC_CODEC_CNTL_LNK_WRM_RST 0x00020000
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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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enum { CS5535AUDIO_DMA_PLAYBACK, CS5535AUDIO_DMA_CAPTURE, NUM_CS5535AUDIO_DMAS };
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struct cs5535audio;
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struct cs5535audio_dma_ops {
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int type;
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void (*enable_dma)(struct cs5535audio *cs5535au);
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void (*disable_dma)(struct cs5535audio *cs5535au);
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void (*pause_dma)(struct cs5535audio *cs5535au);
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void (*setup_prd)(struct cs5535audio *cs5535au, u32 prd_addr);
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u32 (*read_prd)(struct cs5535audio *cs5535au);
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u32 (*read_dma_pntr)(struct cs5535audio *cs5535au);
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};
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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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};
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struct cs5535audio_dma {
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const struct cs5535audio_dma_ops *ops;
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struct snd_dma_buffer desc_buf;
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struct snd_pcm_substream *substream;
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unsigned int buf_addr, buf_bytes;
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unsigned int period_bytes, periods;
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u32 saved_prd;
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};
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struct cs5535audio {
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struct snd_card *card;
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struct snd_ac97 *ac97;
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struct snd_pcm *pcm;
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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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struct snd_pcm_substream *playback_substream;
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struct snd_pcm_substream *capture_substream;
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struct cs5535audio_dma dmas[NUM_CS5535AUDIO_DMAS];
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};
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int snd_cs5535audio_suspend(struct pci_dev *pci, pm_message_t state);
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int snd_cs5535audio_resume(struct pci_dev *pci);
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int __devinit snd_cs5535audio_pcm(struct cs5535audio *cs5535audio);
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#endif /* __SOUND_CS5535AUDIO_H */
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