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 54 enum { CS5535AUDIO_DMA_PLAYBACK, CS5535AUDIO_DMA_CAPTURE, NUM_CS5535AUDIO_DMAS }; 55 56 struct cs5535audio; 57 58 struct 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 68 struct cs5535audio_dma_desc { 69 u32 addr; 70 u16 size; 71 u16 ctlreserved; 72 }; 73 74 struct 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 84 struct 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 extern const struct dev_pm_ops snd_cs5535audio_pm; 98 99 #ifdef CONFIG_OLPC 100 void olpc_prequirks(struct snd_card *card, 101 struct snd_ac97_template *ac97); 102 int olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97); 103 void olpc_quirks_cleanup(void); 104 void olpc_analog_input(struct snd_ac97 *ac97, int on); 105 void olpc_mic_bias(struct snd_ac97 *ac97, int on); 106 107 static inline void olpc_capture_open(struct snd_ac97 *ac97) 108 { 109 /* default to Analog Input off */ 110 olpc_analog_input(ac97, 0); 111 /* enable MIC Bias for recording */ 112 olpc_mic_bias(ac97, 1); 113 } 114 115 static inline void olpc_capture_close(struct snd_ac97 *ac97) 116 { 117 /* disable Analog Input */ 118 olpc_analog_input(ac97, 0); 119 /* disable the MIC Bias (so the recording LED turns off) */ 120 olpc_mic_bias(ac97, 0); 121 } 122 #else 123 static inline void olpc_prequirks(struct snd_card *card, 124 struct snd_ac97_template *ac97) { } 125 static inline int olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97) 126 { 127 return 0; 128 } 129 static inline void olpc_quirks_cleanup(void) { } 130 static inline void olpc_analog_input(struct snd_ac97 *ac97, int on) { } 131 static inline void olpc_mic_bias(struct snd_ac97 *ac97, int on) { } 132 static inline void olpc_capture_open(struct snd_ac97 *ac97) { } 133 static inline void olpc_capture_close(struct snd_ac97 *ac97) { } 134 #endif 135 136 int snd_cs5535audio_pcm(struct cs5535audio *cs5535audio); 137 138 #endif /* __SOUND_CS5535AUDIO_H */ 139 140