[deliverable/linux.git] / sound / pci / cs5535audio / cs5535audio.h

#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 {
	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;
	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];
};

#ifdef CONFIG_PM
int snd_cs5535audio_suspend(struct pci_dev *pci, pm_message_t state);
int snd_cs5535audio_resume(struct pci_dev *pci);
#endif

#ifdef CONFIG_OLPC
void __devinit olpc_prequirks(struct snd_card *card,
		struct snd_ac97_template *ac97);
int __devinit olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97);
void __devexit 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 __devinit snd_cs5535audio_pcm(struct cs5535audio *cs5535audio);

#endif /* __SOUND_CS5535AUDIO_H */
Commit	Line	Data
	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	#ifdef CONFIG_PM
	98	int snd_cs5535audio_suspend(struct pci_dev *pci, pm_message_t state);
	99	int snd_cs5535audio_resume(struct pci_dev *pci);
	100	#endif
	101
	102	#ifdef CONFIG_OLPC
	103	void __devinit olpc_prequirks(struct snd_card *card,
	104	struct snd_ac97_template *ac97);
	105	int __devinit olpc_quirks(struct snd_card card, struct snd_ac97 ac97);
	106	void __devexit olpc_quirks_cleanup(void);
	107	void olpc_analog_input(struct snd_ac97 *ac97, int on);
	108	void olpc_mic_bias(struct snd_ac97 *ac97, int on);
	109
	110	static 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
	118	static 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
	126	static inline void olpc_prequirks(struct snd_card *card,
	127	struct snd_ac97_template *ac97) { }
	128	static inline int olpc_quirks(struct snd_card card, struct snd_ac97 ac97)
	129	{
	130	return 0;
	131	}
	132	static inline void olpc_quirks_cleanup(void) { }
	133	static inline void olpc_analog_input(struct snd_ac97 *ac97, int on) { }
	134	static inline void olpc_mic_bias(struct snd_ac97 *ac97, int on) { }
	135	static inline void olpc_capture_open(struct snd_ac97 *ac97) { }
	136	static inline void olpc_capture_close(struct snd_ac97 *ac97) { }
	137	#endif
	138
	139	int __devinit snd_cs5535audio_pcm(struct cs5535audio *cs5535audio);
	140
	141	#endif /* __SOUND_CS5535AUDIO_H */
	142