/* SPDX-License-Identifier: GPL-2.0-or-later *//* * Driver for Digigram VX soundcards * * Hardware core part * * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> */ #ifndef __SOUND_VX_COMMON_H#define __SOUND_VX_COMMON_H #include <sound/pcm.h>#include <sound/hwdep.h>#include <linux/interrupt.h> struct firmware;struct device; #define VX_DRIVER_VERSION	0x010000	/* 1.0.0 */ /* */#define SIZE_MAX_CMD    0x10#define SIZE_MAX_STATUS 0x10 struct vx_rmh {	u16	LgCmd;		/* length of the command to send (WORDs) */	u16	LgStat;		/* length of the status received (WORDs) */	u32	Cmd[SIZE_MAX_CMD];	u32	Stat[SIZE_MAX_STATUS];	u16	DspStat;	/* status type, RMP_SSIZE_XXX */};	typedef u64 pcx_time_t; #define VX_MAX_PIPES	16#define VX_MAX_PERIODS	32#define VX_MAX_CODECS	2 struct vx_ibl_info {	int size;	/* the current IBL size (0 = query) in bytes */	int max_size;	/* max. IBL size in bytes */	int min_size;	/* min. IBL size in bytes */	int granularity;	/* granularity */}; struct vx_pipe {	int number;	unsigned int is_capture: 1;	unsigned int data_mode: 1;	unsigned int running: 1;	unsigned int prepared: 1;	int channels;	unsigned int differed_type;	pcx_time_t pcx_time;	struct snd_pcm_substream *substream; 	int hbuf_size;		/* H-buffer size in bytes */	int buffer_bytes;	/* the ALSA pcm buffer size in bytes */	int period_bytes;	/* the ALSA pcm period size in bytes */	int hw_ptr;		/* the current hardware pointer in bytes */	int position;		/* the current position in frames (playback only) */	int transferred;	/* the transferred size (per period) in frames */	int align;		/* size of alignment */	u64 cur_count;		/* current sample position (for playback) */ 	unsigned int references;     /* an output pipe may be used for monitoring and/or playback */	struct vx_pipe *monitoring_pipe;  /* pointer to the monitoring pipe (capture pipe only)*/}; struct vx_core; struct snd_vx_ops {	/* low-level i/o */	unsigned char (*in8)(struct vx_core *chip, int reg);	unsigned int (*in32)(struct vx_core *chip, int reg);	void (*out8)(struct vx_core *chip, int reg, unsigned char val);	void (*out32)(struct vx_core *chip, int reg, unsigned int val);	/* irq */	int (*test_and_ack)(struct vx_core *chip);	void (*validate_irq)(struct vx_core *chip, int enable);	/* codec */	void (*write_codec)(struct vx_core *chip, int codec, unsigned int data);	void (*akm_write)(struct vx_core *chip, int reg, unsigned int data);	void (*reset_codec)(struct vx_core *chip);	void (*change_audio_source)(struct vx_core *chip, int src);	void (*set_clock_source)(struct vx_core *chp, int src);	/* chip init */	int (*load_dsp)(struct vx_core *chip, int idx, const struct firmware *fw);	void (*reset_dsp)(struct vx_core *chip);	void (*reset_board)(struct vx_core *chip, int cold_reset);	int (*add_controls)(struct vx_core *chip);	/* pcm */	void (*dma_write)(struct vx_core *chip, struct snd_pcm_runtime *runtime,			  struct vx_pipe *pipe, int count);	void (*dma_read)(struct vx_core *chip, struct snd_pcm_runtime *runtime,			  struct vx_pipe *pipe, int count);}; struct snd_vx_hardware {	const char *name;	int type;	/* VX_TYPE_XXX */ 	/* hardware specs */	unsigned int num_codecs;	unsigned int num_ins;	unsigned int num_outs;	unsigned int output_level_max;	const unsigned int *output_level_db_scale;}; /* hwdep id string */#define SND_VX_HWDEP_ID		"VX Loader" /* hardware type */enum {	/* VX222 PCI */	VX_TYPE_BOARD,		/* old VX222 PCI */	VX_TYPE_V2,		/* VX222 V2 PCI */	VX_TYPE_MIC,		/* VX222 Mic PCI */	/* VX-pocket */	VX_TYPE_VXPOCKET,	/* VXpocket V2 */	VX_TYPE_VXP440,		/* VXpocket 440 */	VX_TYPE_NUMS}; /* chip status */enum {	VX_STAT_XILINX_LOADED	= (1 << 0),	/* devices are registered */	VX_STAT_DEVICE_INIT	= (1 << 1),	/* devices are registered */	VX_STAT_CHIP_INIT	= (1 << 2),	/* all operational */	VX_STAT_IN_SUSPEND	= (1 << 10),	/* in suspend phase */	VX_STAT_IS_STALE	= (1 << 15)	/* device is stale */}; /* min/max values for analog output for old codecs */#define VX_ANALOG_OUT_LEVEL_MAX		0xe3 struct vx_core {	/* ALSA stuff */	struct snd_card *card;	struct snd_pcm *pcm[VX_MAX_CODECS];	int type;	/* VX_TYPE_XXX */ 	int irq;	/* ports are defined externally */ 	/* low-level functions */	const struct snd_vx_hardware *hw;	const struct snd_vx_ops *ops; 	struct mutex lock; 	unsigned int chip_status;	unsigned int pcm_running; 	struct snd_hwdep *hwdep; 	struct vx_rmh irq_rmh;	/* RMH used in interrupts */ 	unsigned int audio_info; /* see VX_AUDIO_INFO */	unsigned int audio_ins;	unsigned int audio_outs;	struct vx_pipe **playback_pipes;	struct vx_pipe **capture_pipes; 	/* clock and audio sources */	unsigned int audio_source;	/* current audio input source */	unsigned int audio_source_target;	unsigned int clock_mode;	/* clock mode (VX_CLOCK_MODE_XXX) */	unsigned int clock_source;	/* current clock source (INTERNAL_QUARTZ or UER_SYNC) */	unsigned int freq;		/* current frequency */	unsigned int freq_detected;	/* detected frequency from digital in */	unsigned int uer_detected;	/* VX_UER_MODE_XXX */	unsigned int uer_bits;	/* IEC958 status bits */	struct vx_ibl_info ibl;	/* IBL information */ 	/* mixer setting */	int output_level[VX_MAX_CODECS][2];	/* analog output level */	int audio_gain[2][4];			/* digital audio level (playback/capture) */	unsigned char audio_active[4];		/* mute/unmute on digital playback */	int audio_monitor[4];			/* playback hw-monitor level */	unsigned char audio_monitor_active[4];	/* playback hw-monitor mute/unmute */ 	struct mutex mixer_mutex; 	const struct firmware *firmware[4]; /* loaded firmware data */};  /* * constructor */struct vx_core *snd_vx_create(struct snd_card *card,			      const struct snd_vx_hardware *hw,			      const struct snd_vx_ops *ops, int extra_size);int snd_vx_setup_firmware(struct vx_core *chip);int snd_vx_load_boot_image(struct vx_core *chip, const struct firmware *dsp);int snd_vx_dsp_boot(struct vx_core *chip, const struct firmware *dsp);int snd_vx_dsp_load(struct vx_core *chip, const struct firmware *dsp); void snd_vx_free_firmware(struct vx_core *chip); /* * interrupt handler; exported for pcmcia */irqreturn_t snd_vx_irq_handler(int irq, void *dev);irqreturn_t snd_vx_threaded_irq_handler(int irq, void *dev); /* * lowlevel functions */static inline int vx_test_and_ack(struct vx_core *chip){	return chip->ops->test_and_ack(chip);} static inline void vx_validate_irq(struct vx_core *chip, int enable){	chip->ops->validate_irq(chip, enable);} static inline unsigned char snd_vx_inb(struct vx_core *chip, int reg){	return chip->ops->in8(chip, reg);} static inline unsigned int snd_vx_inl(struct vx_core *chip, int reg){	return chip->ops->in32(chip, reg);} static inline void snd_vx_outb(struct vx_core *chip, int reg, unsigned char val){	chip->ops->out8(chip, reg, val);} static inline void snd_vx_outl(struct vx_core *chip, int reg, unsigned int val){	chip->ops->out32(chip, reg, val);} #define vx_inb(chip,reg)	snd_vx_inb(chip, VX_##reg)#define vx_outb(chip,reg,val)	snd_vx_outb(chip, VX_##reg,val)#define vx_inl(chip,reg)	snd_vx_inl(chip, VX_##reg)#define vx_outl(chip,reg,val)	snd_vx_outl(chip, VX_##reg,val) static inline void vx_reset_dsp(struct vx_core *chip){	chip->ops->reset_dsp(chip);} int vx_send_msg(struct vx_core *chip, struct vx_rmh *rmh);int vx_send_msg_nolock(struct vx_core *chip, struct vx_rmh *rmh);int vx_send_rih(struct vx_core *chip, int cmd);int vx_send_rih_nolock(struct vx_core *chip, int cmd); void vx_reset_codec(struct vx_core *chip, int cold_reset); /* * check the bit on the specified register * returns zero if a bit matches, or a negative error code. * exported for vxpocket driver */int snd_vx_check_reg_bit(struct vx_core *chip, int reg, int mask, int bit, int time);#define vx_check_isr(chip,mask,bit,time) snd_vx_check_reg_bit(chip, VX_ISR, mask, bit, time)#define vx_wait_isr_bit(chip,bit) vx_check_isr(chip, bit, bit, 200)#define vx_wait_for_rx_full(chip) vx_wait_isr_bit(chip, ISR_RX_FULL)  /* * pseudo-DMA transfer */static inline void vx_pseudo_dma_write(struct vx_core *chip, struct snd_pcm_runtime *runtime,				       struct vx_pipe *pipe, int count){	chip->ops->dma_write(chip, runtime, pipe, count);} static inline void vx_pseudo_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime,				      struct vx_pipe *pipe, int count){	chip->ops->dma_read(chip, runtime, pipe, count);}   /* error with hardware code, * the return value is -(VX_ERR_MASK | actual-hw-error-code) */#define VX_ERR_MASK	0x1000000#define vx_get_error(err)	(-(err) & ~VX_ERR_MASK)  /* * pcm stuff */int snd_vx_pcm_new(struct vx_core *chip);void vx_pcm_update_intr(struct vx_core *chip, unsigned int events); /* * mixer stuff */int snd_vx_mixer_new(struct vx_core *chip);void vx_toggle_dac_mute(struct vx_core *chip, int mute);int vx_sync_audio_source(struct vx_core *chip);int vx_set_monitor_level(struct vx_core *chip, int audio, int level, int active); /* * IEC958 & clock stuff */void vx_set_iec958_status(struct vx_core *chip, unsigned int bits);int vx_set_clock(struct vx_core *chip, unsigned int freq);void vx_set_internal_clock(struct vx_core *chip, unsigned int freq);int vx_change_frequency(struct vx_core *chip);  /* * PM */int snd_vx_suspend(struct vx_core *card);int snd_vx_resume(struct vx_core *card); /* * hardware constants */ #define vx_has_new_dsp(chip)	((chip)->type != VX_TYPE_BOARD)#define vx_is_pcmcia(chip)	((chip)->type >= VX_TYPE_VXPOCKET) /* audio input source */enum {	VX_AUDIO_SRC_DIGITAL,	VX_AUDIO_SRC_LINE,	VX_AUDIO_SRC_MIC}; /* clock source */enum {	INTERNAL_QUARTZ,	UER_SYNC}; /* clock mode */enum {	VX_CLOCK_MODE_AUTO,	/* depending on the current audio source */	VX_CLOCK_MODE_INTERNAL,	/* fixed to internal quartz */	VX_CLOCK_MODE_EXTERNAL	/* fixed to UER sync */}; /* SPDIF/UER type */enum {	VX_UER_MODE_CONSUMER,	VX_UER_MODE_PROFESSIONAL,	VX_UER_MODE_NOT_PRESENT,}; /* register indices */enum {	VX_ICR,	VX_CVR,	VX_ISR,	VX_IVR,	VX_RXH,	VX_TXH = VX_RXH,	VX_RXM,	VX_TXM = VX_RXM,	VX_RXL,	VX_TXL = VX_RXL,	VX_DMA,	VX_CDSP,	VX_RFREQ,	VX_RUER_V2,	VX_GAIN,	VX_DATA = VX_GAIN,	VX_MEMIRQ,	VX_ACQ,	VX_BIT0,	VX_BIT1,	VX_MIC0,	VX_MIC1,	VX_MIC2,	VX_MIC3,	VX_PLX0,	VX_PLX1,	VX_PLX2, 	VX_LOFREQ,  // V2: ACQ, VP: RFREQ	VX_HIFREQ,  // V2: BIT0, VP: RUER_V2	VX_CSUER,   // V2: BIT1, VP: BIT0	VX_RUER,    // V2: RUER_V2, VP: BIT1 	VX_REG_MAX, 	/* aliases for VX board */	VX_RESET_DMA = VX_ISR,	VX_CFG = VX_RFREQ,	VX_STATUS = VX_MEMIRQ,	VX_SELMIC = VX_MIC0,	VX_COMPOT = VX_MIC1,	VX_SCOMPR = VX_MIC2,	VX_GLIMIT = VX_MIC3,	VX_INTCSR = VX_PLX0,	VX_CNTRL = VX_PLX1,	VX_GPIOC = VX_PLX2, 	/* aliases for VXPOCKET board */	VX_MICRO = VX_MEMIRQ,	VX_CODEC2 = VX_MEMIRQ,	VX_DIALOG = VX_ACQ, }; /* RMH status type */enum {	RMH_SSIZE_FIXED = 0,	/* status size given by the driver (in LgStat) */	RMH_SSIZE_ARG = 1,	/* status size given in the LSB byte */	RMH_SSIZE_MASK = 2,	/* status size given in bitmask */};  /* bits for ICR register */#define ICR_HF1		0x10#define ICR_HF0		0x08#define ICR_TREQ	0x02	/* Interrupt mode + HREQ set on for transfer (->DSP) request */#define ICR_RREQ	0x01	/* Interrupt mode + RREQ set on for transfer (->PC) request */ /* bits for CVR register */#define CVR_HC		0x80 /* bits for ISR register */#define ISR_HF3		0x10#define ISR_HF2		0x08#define ISR_CHK		0x10#define ISR_ERR		0x08#define ISR_TX_READY	0x04#define ISR_TX_EMPTY	0x02#define ISR_RX_FULL	0x01 /* Constants used to access the DATA register */#define VX_DATA_CODEC_MASK	0x80#define VX_DATA_XICOR_MASK	0x80 /* Constants used to access the CSUER register (both for VX2 and VXP) */#define VX_SUER_FREQ_MASK		0x0c#define VX_SUER_FREQ_32KHz_MASK		0x0c#define VX_SUER_FREQ_44KHz_MASK		0x00#define VX_SUER_FREQ_48KHz_MASK		0x04#define VX_SUER_DATA_PRESENT_MASK	0x02#define VX_SUER_CLOCK_PRESENT_MASK	0x01 #define VX_CUER_HH_BITC_SEL_MASK	0x08#define VX_CUER_MH_BITC_SEL_MASK	0x04#define VX_CUER_ML_BITC_SEL_MASK	0x02#define VX_CUER_LL_BITC_SEL_MASK	0x01 #define XX_UER_CBITS_OFFSET_MASK	0x1f  /* bits for audio_info */#define VX_AUDIO_INFO_REAL_TIME	(1<<0)	/* real-time processing available */#define VX_AUDIO_INFO_OFFLINE	(1<<1)	/* offline processing available */#define VX_AUDIO_INFO_MPEG1	(1<<5)#define VX_AUDIO_INFO_MPEG2	(1<<6)#define VX_AUDIO_INFO_LINEAR_8	(1<<7)#define VX_AUDIO_INFO_LINEAR_16	(1<<8)#define VX_AUDIO_INFO_LINEAR_24	(1<<9) /* DSP Interrupt Request values */#define VXP_IRQ_OFFSET		0x40 /* add 0x40 offset for vxpocket and vx222/v2 *//* call with vx_send_irq_dsp() */#define IRQ_MESS_WRITE_END          0x30#define IRQ_MESS_WRITE_NEXT         0x32#define IRQ_MESS_READ_NEXT          0x34#define IRQ_MESS_READ_END           0x36#define IRQ_MESSAGE                 0x38#define IRQ_RESET_CHK               0x3A#define IRQ_CONNECT_STREAM_NEXT     0x26#define IRQ_CONNECT_STREAM_END      0x28#define IRQ_PAUSE_START_CONNECT     0x2A#define IRQ_END_CONNECTION          0x2C /* Is there async. events pending ( IT Source Test ) */#define ASYNC_EVENTS_PENDING            0x008000#define HBUFFER_EVENTS_PENDING          0x004000   // Not always accurate#define NOTIF_EVENTS_PENDING            0x002000#define TIME_CODE_EVENT_PENDING         0x001000#define FREQUENCY_CHANGE_EVENT_PENDING  0x000800#define END_OF_BUFFER_EVENTS_PENDING    0x000400#define FATAL_DSP_ERROR                 0xff0000 /* Stream Format Header Defines */ #define HEADER_FMT_BASE			0xFED00000#define HEADER_FMT_MONO			0x000000C0#define HEADER_FMT_INTEL		0x00008000#define HEADER_FMT_16BITS		0x00002000#define HEADER_FMT_24BITS		0x00004000#define HEADER_FMT_UPTO11		0x00000200	/* frequency is less or equ. to 11k.*/#define HEADER_FMT_UPTO32		0x00000100	/* frequency is over 11k and less then 32k.*/

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