1#ifndef __SOUND_CS5535AUDIO_H 2#define __SOUND_CS5535AUDIO_H 3 4#define cs_writel(cs5535au, reg, val) outl(val, (cs5535au)->port + reg) 5#define cs_writeb(cs5535au, reg, val) outb(val, (cs5535au)->port + reg) 6#define cs_readl(cs5535au, reg) inl((cs5535au)->port + reg) 7#define cs_readw(cs5535au, reg) inw((cs5535au)->port + reg) 8#define cs_readb(cs5535au, reg) inb((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_BM0_PRD 0x24 20#define ACC_BM1_PRD 0x2C 21#define ACC_BM0_STATUS 0x21 22#define ACC_BM1_STATUS 0x29 23#define ACC_BM0_PNTR 0x60 24#define ACC_BM1_PNTR 0x64 25 26/* acc_codec bar0 reg bits */ 27/* ACC_IRQ_STATUS */ 28#define IRQ_STS 0 29#define WU_IRQ_STS 1 30#define BM0_IRQ_STS 2 31#define BM1_IRQ_STS 3 32/* ACC_BMX_STATUS */ 33#define EOP (1<<0) 34#define BM_EOP_ERR (1<<1) 35/* ACC_BMX_CTL */ 36#define BM_CTL_EN 0x01 37#define BM_CTL_PAUSE 0x03 38#define BM_CTL_DIS 0x00 39#define BM_CTL_BYTE_ORD_LE 0x00 40#define BM_CTL_BYTE_ORD_BE 0x04 41/* cs5535 specific ac97 codec register defines */ 42#define CMD_MASK 0xFF00FFFF 43#define CMD_NEW 0x00010000 44#define STS_NEW 0x00020000 45#define PRM_RDY_STS 0x00800000 46#define ACC_CODEC_CNTL_WR_CMD (~0x80000000) 47#define ACC_CODEC_CNTL_RD_CMD 0x80000000 48#define ACC_CODEC_CNTL_LNK_SHUTDOWN 0x00040000 49#define ACC_CODEC_CNTL_LNK_WRM_RST 0x00020000 50#define PRD_JMP 0x2000 51#define PRD_EOP 0x4000 52#define PRD_EOT 0x8000 53 54enum { CS5535AUDIO_DMA_PLAYBACK, CS5535AUDIO_DMA_CAPTURE, NUM_CS5535AUDIO_DMAS }; 55 56struct cs5535audio; 57 58struct cs5535audio_dma_ops { 59 int type; 60 void (*enable_dma)(struct cs5535audio *cs5535au); 61 void (*disable_dma)(struct cs5535audio *cs5535au); 62 void (*pause_dma)(struct cs5535audio *cs5535au); 63 void (*setup_prd)(struct cs5535audio *cs5535au, u32 prd_addr); 64 u32 (*read_prd)(struct cs5535audio *cs5535au); 65 u32 (*read_dma_pntr)(struct cs5535audio *cs5535au); 66}; 67 68struct cs5535audio_dma_desc { 69 u32 addr; 70 u16 size; 71 u16 ctlreserved; 72}; 73 74struct cs5535audio_dma { 75 const struct cs5535audio_dma_ops *ops; 76 struct snd_dma_buffer desc_buf; 77 struct snd_pcm_substream *substream; 78 unsigned int buf_addr, buf_bytes; 79 unsigned int period_bytes, periods; 80 u32 saved_prd; 81 int pcm_open_flag; 82}; 83 84struct cs5535audio { 85 struct snd_card *card; 86 struct snd_ac97 *ac97; 87 struct snd_pcm *pcm; 88 int irq; 89 struct pci_dev *pci; 90 unsigned long port; 91 spinlock_t reg_lock; 92 struct snd_pcm_substream *playback_substream; 93 struct snd_pcm_substream *capture_substream; 94 struct cs5535audio_dma dmas[NUM_CS5535AUDIO_DMAS]; 95}; 96 97#ifdef CONFIG_PM 98int snd_cs5535audio_suspend(struct pci_dev *pci, pm_message_t state); 99int snd_cs5535audio_resume(struct pci_dev *pci); 100#endif 101 102#ifdef CONFIG_OLPC 103void __devinit olpc_prequirks(struct snd_card *card, 104 struct snd_ac97_template *ac97); 105int __devinit olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97); 106void __devexit olpc_quirks_cleanup(void); 107void olpc_analog_input(struct snd_ac97 *ac97, int on); 108void olpc_mic_bias(struct snd_ac97 *ac97, int on); 109 110static inline void olpc_capture_open(struct snd_ac97 *ac97) 111{ 112 /* default to Analog Input off */ 113 olpc_analog_input(ac97, 0); 114 /* enable MIC Bias for recording */ 115 olpc_mic_bias(ac97, 1); 116} 117 118static inline void olpc_capture_close(struct snd_ac97 *ac97) 119{ 120 /* disable Analog Input */ 121 olpc_analog_input(ac97, 0); 122 /* disable the MIC Bias (so the recording LED turns off) */ 123 olpc_mic_bias(ac97, 0); 124} 125#else 126static inline void olpc_prequirks(struct snd_card *card, 127 struct snd_ac97_template *ac97) { } 128static inline int olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97) 129{ 130 return 0; 131} 132static inline void olpc_quirks_cleanup(void) { } 133static inline void olpc_analog_input(struct snd_ac97 *ac97, int on) { } 134static inline void olpc_mic_bias(struct snd_ac97 *ac97, int on) { } 135static inline void olpc_capture_open(struct snd_ac97 *ac97) { } 136static inline void olpc_capture_close(struct snd_ac97 *ac97) { } 137#endif 138 139int __devinit snd_cs5535audio_pcm(struct cs5535audio *cs5535audio); 140 141#endif /* __SOUND_CS5535AUDIO_H */ 142