emu10k1.h

Linux Kernel 2.6.9 for OMAP1710

} emu10k1_pcm_mixer_t;

#define snd_emu10k1_compose_send_routing(route) \
((route[0] | (route[1] << 4) | (route[2] << 8) | (route[3] << 12)) << 16)

#define snd_emu10k1_compose_audigy_fxrt1(route) \
(((unsigned int)route[0] | ((unsigned int)route[1] << 8) | ((unsigned int)route[2] << 16) | ((unsigned int)route[3] << 12)) << 24)

#define snd_emu10k1_compose_audigy_fxrt2(route) \
(((unsigned int)route[4] | ((unsigned int)route[5] << 8) | ((unsigned int)route[6] << 16) | ((unsigned int)route[7] << 12)) << 24)

typedef struct snd_emu10k1_memblk {
	snd_util_memblk_t mem;
	/* private part */
	int first_page, last_page, pages, mapped_page;
	unsigned int map_locked;
	struct list_head mapped_link;
	struct list_head mapped_order_link;
} emu10k1_memblk_t;

#define snd_emu10k1_memblk_offset(blk)	(((blk)->mapped_page << PAGE_SHIFT) | ((blk)->mem.offset & (PAGE_SIZE - 1)))

#define EMU10K1_MAX_TRAM_BLOCKS_PER_CODE	16

typedef struct {
	struct list_head list;		/* list link container */
	unsigned int vcount;
	unsigned int count;		/* count of GPR (1..16) */
	unsigned char gpr[32];		/* GPR number(s) */
	unsigned int value[32];
	unsigned int min;		/* minimum range */
	unsigned int max;		/* maximum range */
	unsigned int translation;	/* translation type (EMU10K1_GPR_TRANSLATION*) */
	snd_kcontrol_t *kcontrol;
} snd_emu10k1_fx8010_ctl_t;

typedef void (snd_fx8010_irq_handler_t)(emu10k1_t *emu, void *private_data);

typedef struct _snd_emu10k1_fx8010_irq {
	struct _snd_emu10k1_fx8010_irq *next;
	snd_fx8010_irq_handler_t *handler;
	unsigned char gpr_running;
	void *private_data;
} snd_emu10k1_fx8010_irq_t;

typedef struct {
	unsigned int valid: 1,
		     opened: 1,
		     active: 1;
	unsigned int channels;		/* 16-bit channels count */
	unsigned int tram_start;	/* initial ring buffer position in TRAM (in samples) */
	unsigned int buffer_size;	/* count of buffered samples */
	unsigned char gpr_size;		/* GPR containing size of ring buffer in samples (host) */
	unsigned char gpr_ptr;		/* GPR containing current pointer in the ring buffer (host = reset, FX8010) */
	unsigned char gpr_count;	/* GPR containing count of samples between two interrupts (host) */
	unsigned char gpr_tmpcount;	/* GPR containing current count of samples to interrupt (host = set, FX8010) */
	unsigned char gpr_trigger;	/* GPR containing trigger (activate) information (host) */
	unsigned char gpr_running;	/* GPR containing info if PCM is running (FX8010) */
	unsigned char etram[32];	/* external TRAM address & data */
	snd_pcm_indirect_t pcm_rec;
	unsigned int tram_pos;
	unsigned int tram_shift;
	snd_emu10k1_fx8010_irq_t *irq;
} snd_emu10k1_fx8010_pcm_t;

typedef struct {
	unsigned short fxbus_mask;	/* used FX buses (bitmask) */
	unsigned short extin_mask;	/* used external inputs (bitmask) */
	unsigned short extout_mask;	/* used external outputs (bitmask) */
	unsigned short pad1;
	unsigned int itram_size;	/* internal TRAM size in samples */
	struct snd_dma_buffer etram_pages; /* external TRAM pages and size */
	unsigned int dbg;		/* FX debugger register */
	unsigned char name[128];
	int gpr_size;			/* size of allocated GPR controls */
	int gpr_count;			/* count of used kcontrols */
	struct list_head gpr_ctl;	/* GPR controls */
	struct semaphore lock;
	snd_emu10k1_fx8010_pcm_t pcm[8];
	spinlock_t irq_lock;
	snd_emu10k1_fx8010_irq_t *irq_handlers;
} snd_emu10k1_fx8010_t;

#define emu10k1_gpr_ctl(n) list_entry(n, snd_emu10k1_fx8010_ctl_t, list)

typedef struct {
	struct _snd_emu10k1 *emu;
	snd_rawmidi_t *rmidi;
	snd_rawmidi_substream_t *substream_input;
	snd_rawmidi_substream_t *substream_output;
	unsigned int midi_mode;
	spinlock_t input_lock;
	spinlock_t output_lock;
	spinlock_t open_lock;
	int tx_enable, rx_enable;
	int port;
	int ipr_tx, ipr_rx;
	void (*interrupt)(emu10k1_t *emu, unsigned int status);
} emu10k1_midi_t;

struct _snd_emu10k1 {
	int irq;

	unsigned long port;			/* I/O port number */
	int APS: 1,				/* APS flag */
	    no_ac97: 1,				/* no AC'97 */
	    tos_link: 1,			/* tos link detected */
	    rear_ac97: 1,			/* rear channels are on AC'97 */
	    spk71:1;				/* 7.1 configuration (Audigy 2 ZS) */
	unsigned int audigy;			/* is Audigy? */
	unsigned int revision;			/* chip revision */
	unsigned int serial;			/* serial number */
	unsigned short model;			/* subsystem id */
	unsigned int card_type;			/* EMU10K1_CARD_* */
	unsigned int ecard_ctrl;		/* ecard control bits */
	unsigned long dma_mask;			/* PCI DMA mask */
	int max_cache_pages;			/* max memory size / PAGE_SIZE */
	struct snd_dma_buffer silent_page;	/* silent page */
	struct snd_dma_buffer ptb_pages;	/* page table pages */
	snd_util_memhdr_t *memhdr;		/* page allocation list */
	emu10k1_memblk_t *reserved_page;	/* reserved page */

	struct list_head mapped_link_head;
	struct list_head mapped_order_link_head;
	void **page_ptr_table;
	unsigned long *page_addr_table;
	spinlock_t memblk_lock;

	unsigned int spdif_bits[3];		/* s/pdif out setup */

	snd_emu10k1_fx8010_t fx8010;		/* FX8010 info */
	int gpr_base;
	
	ac97_t *ac97;

	struct pci_dev *pci;
	snd_card_t *card;
	snd_pcm_t *pcm;
	snd_pcm_t *pcm_mic;
	snd_pcm_t *pcm_efx;

	spinlock_t synth_lock;
	void *synth;
	int (*get_synth_voice)(emu10k1_t *emu);

	spinlock_t reg_lock;
	spinlock_t emu_lock;
	spinlock_t voice_lock;
	struct semaphore ptb_lock;

	emu10k1_voice_t voices[64];
	emu10k1_pcm_mixer_t pcm_mixer[32];
	snd_kcontrol_t *ctl_send_routing;
	snd_kcontrol_t *ctl_send_volume;
	snd_kcontrol_t *ctl_attn;

	void (*hwvol_interrupt)(emu10k1_t *emu, unsigned int status);
	void (*capture_interrupt)(emu10k1_t *emu, unsigned int status);
	void (*capture_mic_interrupt)(emu10k1_t *emu, unsigned int status);
	void (*capture_efx_interrupt)(emu10k1_t *emu, unsigned int status);
	void (*timer_interrupt)(emu10k1_t *emu);
	void (*spdif_interrupt)(emu10k1_t *emu, unsigned int status);
	void (*dsp_interrupt)(emu10k1_t *emu);

	snd_pcm_substream_t *pcm_capture_substream;
	snd_pcm_substream_t *pcm_capture_mic_substream;
	snd_pcm_substream_t *pcm_capture_efx_substream;

	emu10k1_midi_t midi;
	emu10k1_midi_t midi2; /* for audigy */

	unsigned int efx_voices_mask[2];
};

int snd_emu10k1_create(snd_card_t * card,
		       struct pci_dev *pci,
		       unsigned short extin_mask,
		       unsigned short extout_mask,
		       long max_cache_bytes,
		       int enable_ir,
		       emu10k1_t ** remu);

int snd_emu10k1_pcm(emu10k1_t * emu, int device, snd_pcm_t ** rpcm);
int snd_emu10k1_pcm_mic(emu10k1_t * emu, int device, snd_pcm_t ** rpcm);
int snd_emu10k1_pcm_efx(emu10k1_t * emu, int device, snd_pcm_t ** rpcm);
int snd_emu10k1_fx8010_pcm(emu10k1_t * emu, int device, snd_pcm_t ** rpcm);
int snd_emu10k1_mixer(emu10k1_t * emu);
int snd_emu10k1_fx8010_new(emu10k1_t *emu, int device, snd_hwdep_t ** rhwdep);

irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id, struct pt_regs *regs);

/* initialization */
void snd_emu10k1_voice_init(emu10k1_t * emu, int voice);
int snd_emu10k1_init_efx(emu10k1_t *emu);
void snd_emu10k1_free_efx(emu10k1_t *emu);
int snd_emu10k1_fx8010_tram_setup(emu10k1_t *emu, u32 size);

/* I/O functions */
unsigned int snd_emu10k1_ptr_read(emu10k1_t * emu, unsigned int reg, unsigned int chn);
void snd_emu10k1_ptr_write(emu10k1_t *emu, unsigned int reg, unsigned int chn, unsigned int data);
void snd_emu10k1_efx_write(emu10k1_t *emu, unsigned int pc, unsigned int data);
unsigned int snd_emu10k1_efx_read(emu10k1_t *emu, unsigned int pc);
void snd_emu10k1_intr_enable(emu10k1_t *emu, unsigned int intrenb);
void snd_emu10k1_intr_disable(emu10k1_t *emu, unsigned int intrenb);
void snd_emu10k1_voice_intr_enable(emu10k1_t *emu, unsigned int voicenum);
void snd_emu10k1_voice_intr_disable(emu10k1_t *emu, unsigned int voicenum);
void snd_emu10k1_voice_intr_ack(emu10k1_t *emu, unsigned int voicenum);
void snd_emu10k1_voice_set_loop_stop(emu10k1_t *emu, unsigned int voicenum);
void snd_emu10k1_voice_clear_loop_stop(emu10k1_t *emu, unsigned int voicenum);
void snd_emu10k1_wait(emu10k1_t *emu, unsigned int wait);
static inline unsigned int snd_emu10k1_wc(emu10k1_t *emu) { return (inl(emu->port + WC) >> 6) & 0xfffff; }
unsigned short snd_emu10k1_ac97_read(ac97_t *ac97, unsigned short reg);
void snd_emu10k1_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short data);
unsigned int snd_emu10k1_rate_to_pitch(unsigned int rate);
unsigned char snd_emu10k1_sum_vol_attn(unsigned int value);

/* memory allocation */
snd_util_memblk_t *snd_emu10k1_alloc_pages(emu10k1_t *emu, snd_pcm_substream_t *substream);
int snd_emu10k1_free_pages(emu10k1_t *emu, snd_util_memblk_t *blk);
snd_util_memblk_t *snd_emu10k1_synth_alloc(emu10k1_t *emu, unsigned int size);
int snd_emu10k1_synth_free(emu10k1_t *emu, snd_util_memblk_t *blk);
int snd_emu10k1_synth_bzero(emu10k1_t *emu, snd_util_memblk_t *blk, int offset, int size);
int snd_emu10k1_synth_copy_from_user(emu10k1_t *emu, snd_util_memblk_t *blk, int offset, const char __user *data, int size);
int snd_emu10k1_memblk_map(emu10k1_t *emu, emu10k1_memblk_t *blk);

/* voice allocation */
int snd_emu10k1_voice_alloc(emu10k1_t *emu, emu10k1_voice_type_t type, int pair, emu10k1_voice_t **rvoice);
int snd_emu10k1_voice_free(emu10k1_t *emu, emu10k1_voice_t *pvoice);

/* MIDI uart */
int snd_emu10k1_midi(emu10k1_t * emu);
int snd_emu10k1_audigy_midi(emu10k1_t * emu);

/* proc interface */
int snd_emu10k1_proc_init(emu10k1_t * emu);

/* fx8010 irq handler */
int snd_emu10k1_fx8010_register_irq_handler(emu10k1_t *emu,
					    snd_fx8010_irq_handler_t *handler,
					    unsigned char gpr_running,
					    void *private_data,
					    snd_emu10k1_fx8010_irq_t **r_irq);
int snd_emu10k1_fx8010_unregister_irq_handler(emu10k1_t *emu,
					      snd_emu10k1_fx8010_irq_t *irq);

#endif /* __KERNEL__ */

/*
 * ---- FX8010 ----
 */

#define EMU10K1_CARD_CREATIVE			0x00000000
#define EMU10K1_CARD_EMUAPS			0x00000001

#define EMU10K1_FX8010_PCM_COUNT		8

/* instruction set */
#define iMAC0	 0x00	/* R = A + (X * Y >> 31)   ; saturation */
#define iMAC1	 0x01	/* R = A + (-X * Y >> 31)  ; saturation */
#define iMAC2	 0x02	/* R = A + (X * Y >> 31)   ; wraparound */
#define iMAC3	 0x03	/* R = A + (-X * Y >> 31)  ; wraparound */
#define iMACINT0 0x04	/* R = A + X * Y	   ; saturation */
#define iMACINT1 0x05	/* R = A + X * Y	   ; wraparound (31-bit) */
#define iACC3	 0x06	/* R = A + X + Y	   ; saturation */
#define iMACMV   0x07	/* R = A, acc += X * Y >> 31 */
#define iANDXOR  0x08	/* R = (A & X) ^ Y */
#define iTSTNEG  0x09	/* R = (A >= Y) ? X : ~X */
#define iLIMITGE 0x0a	/* R = (A >= Y) ? X : Y */
#define iLIMITLT 0x0b	/* R = (A < Y) ? X : Y */
#define iLOG	 0x0c	/* R = linear_data, A (log_data), X (max_exp), Y (format_word) */
#define iEXP	 0x0d	/* R = log_data, A (linear_data), X (max_exp), Y (format_word) */
#define iINTERP  0x0e	/* R = A + (X * (Y - A) >> 31)  ; saturation */
#define iSKIP    0x0f	/* R = A (cc_reg), X (count), Y (cc_test) */

/* GPRs */
#define FXBUS(x)	(0x00 + (x))	/* x = 0x00 - 0x0f */
#define EXTIN(x)	(0x10 + (x))	/* x = 0x00 - 0x0f */