mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
140 lines
4.0 KiB
140 lines
4.0 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
#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_BM0_PRD 0x24 |
|
#define ACC_BM1_PRD 0x2C |
|
#define ACC_BM0_STATUS 0x21 |
|
#define ACC_BM1_STATUS 0x29 |
|
#define ACC_BM0_PNTR 0x60 |
|
#define ACC_BM1_PNTR 0x64 |
|
|
|
/* 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 |
|
/* ACC_BMX_STATUS */ |
|
#define EOP (1<<0) |
|
#define BM_EOP_ERR (1<<1) |
|
/* ACC_BMX_CTL */ |
|
#define BM_CTL_EN 0x01 |
|
#define BM_CTL_PAUSE 0x03 |
|
#define BM_CTL_DIS 0x00 |
|
#define BM_CTL_BYTE_ORD_LE 0x00 |
|
#define BM_CTL_BYTE_ORD_BE 0x04 |
|
/* 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 ACC_CODEC_CNTL_LNK_SHUTDOWN 0x00040000 |
|
#define ACC_CODEC_CNTL_LNK_WRM_RST 0x00020000 |
|
#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_prd)(struct cs5535audio *cs5535au); |
|
u32 (*read_dma_pntr)(struct cs5535audio *cs5535au); |
|
}; |
|
|
|
struct cs5535audio_dma_desc { |
|
__le32 addr; |
|
__le16 size; |
|
__le16 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; |
|
u32 saved_prd; |
|
int pcm_open_flag; |
|
}; |
|
|
|
struct cs5535audio { |
|
struct snd_card *card; |
|
struct snd_ac97 *ac97; |
|
struct snd_pcm *pcm; |
|
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]; |
|
}; |
|
|
|
extern const struct dev_pm_ops snd_cs5535audio_pm; |
|
|
|
#ifdef CONFIG_OLPC |
|
void olpc_prequirks(struct snd_card *card, |
|
struct snd_ac97_template *ac97); |
|
int olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97); |
|
void olpc_quirks_cleanup(void); |
|
void olpc_analog_input(struct snd_ac97 *ac97, int on); |
|
void olpc_mic_bias(struct snd_ac97 *ac97, int on); |
|
|
|
static inline void olpc_capture_open(struct snd_ac97 *ac97) |
|
{ |
|
/* default to Analog Input off */ |
|
olpc_analog_input(ac97, 0); |
|
/* enable MIC Bias for recording */ |
|
olpc_mic_bias(ac97, 1); |
|
} |
|
|
|
static inline void olpc_capture_close(struct snd_ac97 *ac97) |
|
{ |
|
/* disable Analog Input */ |
|
olpc_analog_input(ac97, 0); |
|
/* disable the MIC Bias (so the recording LED turns off) */ |
|
olpc_mic_bias(ac97, 0); |
|
} |
|
#else |
|
static inline void olpc_prequirks(struct snd_card *card, |
|
struct snd_ac97_template *ac97) { } |
|
static inline int olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97) |
|
{ |
|
return 0; |
|
} |
|
static inline void olpc_quirks_cleanup(void) { } |
|
static inline void olpc_analog_input(struct snd_ac97 *ac97, int on) { } |
|
static inline void olpc_mic_bias(struct snd_ac97 *ac97, int on) { } |
|
static inline void olpc_capture_open(struct snd_ac97 *ac97) { } |
|
static inline void olpc_capture_close(struct snd_ac97 *ac97) { } |
|
#endif |
|
|
|
int snd_cs5535audio_pcm(struct cs5535audio *cs5535audio); |
|
|
|
#endif /* __SOUND_CS5535AUDIO_H */ |
|
|
|
|