http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/ac97_codec.h

#ifndef _AC97_CODEC_H_ #define _AC97_CODEC_H_ #include <linux/types.h> #include <linux/soundcard.h> /* AC97 1.0 */ #define AC97_RESET 0x0000 // #define AC97_MASTER_VOL_STEREO 0x0002 // Line Out #define AC97_HEADPHONE_VOL 0x0004 // #define AC97_MASTER_VOL_MONO 0x0006 // TAD Output #define AC97_MASTER_TONE 0x0008 // #define AC97_PCBEEP_VOL 0x000a // none #define AC97_PHONE_VOL 0x000c // TAD Input (mono) #define AC97_MIC_VOL 0x000e // MIC Input (mono) #define AC97_LINEIN_VOL 0x0010 // Line Input (stereo) #define AC97_CD_VOL 0x0012 // CD Input (stereo) #define AC97_VIDEO_VOL 0x0014 // none #define AC97_AUX_VOL 0x0016 // Aux Input (stereo) #define AC97_PCMOUT_VOL 0x0018 // Wave Output (stereo) #define AC97_RECORD_SELECT 0x001a // #define AC97_RECORD_GAIN 0x001c #define AC97_RECORD_GAIN_MIC 0x001e #define AC97_GENERAL_PURPOSE 0x0020 #define AC97_3D_CONTROL 0x0022 #define AC97_MODEM_RATE 0x0024 #define AC97_POWER_CONTROL 0x0026 /* AC'97 2.0 */ #define AC97_EXTENDED_ID 0x0028 /* Extended Audio ID */ #define AC97_EXTENDED_STATUS 0x002A /* Extended Audio Status */ #define AC97_PCM_FRONT_DAC_RATE 0x002C /* PCM Front DAC Rate */ #define AC97_PCM_SURR_DAC_RATE 0x002E /* PCM Surround DAC Rate */ #define AC97_PCM_LFE_DAC_RATE 0x0030 /* PCM LFE DAC Rate */ #define AC97_PCM_LR_ADC_RATE 0x0032 /* PCM LR ADC Rate */ #define AC97_PCM_MIC_ADC_RATE 0x0034 /* PCM MIC ADC Rate */ #define AC97_CENTER_LFE_MASTER 0x0036 /* Center + LFE Master Volume */ #define AC97_SURROUND_MASTER 0x0038 /* Surround (Rear) Master Volume */ #define AC97_RESERVED_3A 0x003A /* Reserved in AC '97 < 2.2 */ /* AC'97 2.2 */ #define AC97_SPDIF_CONTROL 0x003A /* S/PDIF Control */ /* range 0x3c-0x58 - MODEM */ #define AC97_EXTENDED_MODEM_ID 0x003C #define AC97_EXTEND_MODEM_STAT 0x003E #define AC97_LINE1_RATE 0x0040 #define AC97_LINE2_RATE 0x0042 #define AC97_HANDSET_RATE 0x0044 #define AC97_LINE1_LEVEL 0x0046 #define AC97_LINE2_LEVEL 0x0048 #define AC97_HANDSET_LEVEL 0x004A #define AC97_GPIO_CONFIG 0x004C #define AC97_GPIO_POLARITY 0x004E #define AC97_GPIO_STICKY 0x0050 #define AC97_GPIO_WAKE_UP 0x0052 #define AC97_GPIO_STATUS 0x0054 #define AC97_MISC_MODEM_STAT 0x0056 #define AC97_RESERVED_58 0x0058 /* registers 0x005a - 0x007a are vendor reserved */ #define AC97_VENDOR_ID1 0x007c #define AC97_VENDOR_ID2 0x007e /* volume control bit defines */ #define AC97_MUTE 0x8000 #define AC97_MICBOOST 0x0040 #define AC97_LEFTVOL 0x3f00 #define AC97_RIGHTVOL 0x003f /* record mux defines */ #define AC97_RECMUX_MIC 0x0000 #define AC97_RECMUX_CD 0x0101 #define AC97_RECMUX_VIDEO 0x0202 #define AC97_RECMUX_AUX 0x0303 #define AC97_RECMUX_LINE 0x0404 #define AC97_RECMUX_STEREO_MIX 0x0505 #define AC97_RECMUX_MONO_MIX 0x0606 #define AC97_RECMUX_PHONE 0x0707 /* general purpose register bit defines */ #define AC97_GP_LPBK 0x0080 /* Loopback mode */ #define AC97_GP_MS 0x0100 /* Mic Select 0=Mic1, 1=Mic2 */ #define AC97_GP_MIX 0x0200 /* Mono output select 0=Mix, 1=Mic */ #define AC97_GP_RLBK 0x0400 /* Remote Loopback - Modem line codec */ #define AC97_GP_LLBK 0x0800 /* Local Loopback - Modem Line codec */ #define AC97_GP_LD 0x1000 /* Loudness 1=on */ #define AC97_GP_3D 0x2000 /* 3D Enhancement 1=on */ #define AC97_GP_ST 0x4000 /* Stereo Enhancement 1=on */ #define AC97_GP_POP 0x8000 /* Pcm Out Path, 0=pre 3D, 1=post 3D */ /* extended audio status and control bit defines */ #define AC97_EA_VRA 0x0001 /* Variable bit rate enable bit */ #define AC97_EA_DRA 0x0002 /* Double-rate audio enable bit */ #define AC97_EA_SPDIF 0x0004 /* S/PDIF Enable bit */ #define AC97_EA_VRM 0x0008 /* Variable bit rate for MIC enable bit */ #define AC97_EA_CDAC 0x0040 /* PCM Center DAC is ready (Read only) */ #define AC97_EA_SDAC 0x0040 /* PCM Surround DACs are ready (Read only) */ #define AC97_EA_LDAC 0x0080 /* PCM LFE DAC is ready (Read only) */ #define AC97_EA_MDAC 0x0100 /* MIC ADC is ready (Read only) */ #define AC97_EA_SPCV 0x0400 /* S/PDIF configuration valid (Read only) */ #define AC97_EA_PRI 0x0800 /* Turns the PCM Center DAC off */ #define AC97_EA_PRJ 0x1000 /* Turns the PCM Surround DACs off */ #define AC97_EA_PRK 0x2000 /* Turns the PCM LFE DAC off */ #define AC97_EA_PRL 0x4000 /* Turns the MIC ADC off */ #define AC97_EA_SLOT_MASK 0xffcf /* Mask for slot assignment bits */ #define AC97_EA_SPSA_3_4 0x0000 /* Slot assigned to 3 & 4 */ #define AC97_EA_SPSA_7_8 0x0010 /* Slot assigned to 7 & 8 */ #define AC97_EA_SPSA_6_9 0x0020 /* Slot assigned to 6 & 9 */ #define AC97_EA_SPSA_10_11 0x0030 /* Slot assigned to 10 & 11 */ /* S/PDIF control bit defines */ #define AC97_SC_PRO 0x0001 /* Professional status */ #define AC97_SC_NAUDIO 0x0002 /* Non audio stream */ #define AC97_SC_COPY 0x0004 /* Copyright status */ #define AC97_SC_PRE 0x0008 /* Preemphasis status */ #define AC97_SC_CC_MASK 0x07f0 /* Category Code mask */ #define AC97_SC_L 0x0800 /* Generation Level status */ #define AC97_SC_SPSR_MASK 0xcfff /* S/PDIF Sample Rate bits */ #define AC97_SC_SPSR_44K 0x0000 /* Use 44.1kHz Sample rate */ #define AC97_SC_SPSR_48K 0x2000 /* Use 48kHz Sample rate */ #define AC97_SC_SPSR_32K 0x3000 /* Use 32kHz Sample rate */ #define AC97_SC_DRS 0x4000 /* Double Rate S/PDIF */ #define AC97_SC_V 0x8000 /* Validity status */ /* powerdown control and status bit defines */ /* status */ #define AC97_PWR_MDM 0x0010 /* Modem section ready */ #define AC97_PWR_REF 0x0008 /* Vref nominal */ #define AC97_PWR_ANL 0x0004 /* Analog section ready */ #define AC97_PWR_DAC 0x0002 /* DAC section ready */ #define AC97_PWR_ADC 0x0001 /* ADC section ready */ /* control */ #define AC97_PWR_PR0 0x0100 /* ADC and Mux powerdown */ #define AC97_PWR_PR1 0x0200 /* DAC powerdown */ #define AC97_PWR_PR2 0x0400 /* Output mixer powerdown (Vref on) */ #define AC97_PWR_PR3 0x0800 /* Output mixer powerdown (Vref off) */ #define AC97_PWR_PR4 0x1000 /* AC-link powerdown */ #define AC97_PWR_PR5 0x2000 /* Internal Clk disable */ #define AC97_PWR_PR6 0x4000 /* HP amp powerdown */ #define AC97_PWR_PR7 0x8000 /* Modem off - if supported */ /* extended audio ID register bit defines */ #define AC97_EXTID_VRA 0x0001 #define AC97_EXTID_DRA 0x0002 #define AC97_EXTID_SPDIF 0x0004 #define AC97_EXTID_VRM 0x0008 #define AC97_EXTID_DSA0 0x0010 #define AC97_EXTID_DSA1 0x0020 #define AC97_EXTID_CDAC 0x0040 #define AC97_EXTID_SDAC 0x0080 #define AC97_EXTID_LDAC 0x0100 #define AC97_EXTID_AMAP 0x0200 #define AC97_EXTID_REV0 0x0400 #define AC97_EXTID_REV1 0x0800 #define AC97_EXTID_ID0 0x4000 #define AC97_EXTID_ID1 0x8000 /* extended status register bit defines */ #define AC97_EXTSTAT_VRA 0x0001 #define AC97_EXTSTAT_DRA 0x0002 #define AC97_EXTSTAT_SPDIF 0x0004 #define AC97_EXTSTAT_VRM 0x0008 #define AC97_EXTSTAT_SPSA0 0x0010 #define AC97_EXTSTAT_SPSA1 0x0020 #define AC97_EXTSTAT_CDAC 0x0040 #define AC97_EXTSTAT_SDAC 0x0080 #define AC97_EXTSTAT_LDAC 0x0100 #define AC97_EXTSTAT_MADC 0x0200 #define AC97_EXTSTAT_SPCV 0x0400 #define AC97_EXTSTAT_PRI 0x0800 #define AC97_EXTSTAT_PRJ 0x1000 #define AC97_EXTSTAT_PRK 0x2000 #define AC97_EXTSTAT_PRL 0x4000 /* extended audio ID register bit defines */ #define AC97_EXTID_VRA 0x0001 #define AC97_EXTID_DRA 0x0002 #define AC97_EXTID_SPDIF 0x0004 #define AC97_EXTID_VRM 0x0008 #define AC97_EXTID_DSA0 0x0010 #define AC97_EXTID_DSA1 0x0020 #define AC97_EXTID_CDAC 0x0040 #define AC97_EXTID_SDAC 0x0080 #define AC97_EXTID_LDAC 0x0100 #define AC97_EXTID_AMAP 0x0200 #define AC97_EXTID_REV0 0x0400 #define AC97_EXTID_REV1 0x0800 #define AC97_EXTID_ID0 0x4000 #define AC97_EXTID_ID1 0x8000 /* extended status register bit defines */ #define AC97_EXTSTAT_VRA 0x0001 #define AC97_EXTSTAT_DRA 0x0002 #define AC97_EXTSTAT_SPDIF 0x0004 #define AC97_EXTSTAT_VRM 0x0008 #define AC97_EXTSTAT_SPSA0 0x0010 #define AC97_EXTSTAT_SPSA1 0x0020 #define AC97_EXTSTAT_CDAC 0x0040 #define AC97_EXTSTAT_SDAC 0x0080 #define AC97_EXTSTAT_LDAC 0x0100 #define AC97_EXTSTAT_MADC 0x0200 #define AC97_EXTSTAT_SPCV 0x0400 #define AC97_EXTSTAT_PRI 0x0800 #define AC97_EXTSTAT_PRJ 0x1000 #define AC97_EXTSTAT_PRK 0x2000 #define AC97_EXTSTAT_PRL 0x4000 /* useful power states */ #define AC97_PWR_D0 0x0000 /* everything on */ #define AC97_PWR_D1 AC97_PWR_PR0|AC97_PWR_PR1|AC97_PWR_PR4 #define AC97_PWR_D2 AC97_PWR_PR0|AC97_PWR_PR1|AC97_PWR_PR2|AC97_PWR_PR3|AC97_PWR_PR4 #define AC97_PWR_D3 AC97_PWR_PR0|AC97_PWR_PR1|AC97_PWR_PR2|AC97_PWR_PR3|AC97_PWR_PR4 #define AC97_PWR_ANLOFF AC97_PWR_PR2|AC97_PWR_PR3 /* analog section off */ /* Total number of defined registers. */ #define AC97_REG_CNT 64 /* OSS interface to the ac97s.. */ #define AC97_STEREO_MASK (SOUND_MASK_VOLUME|SOUND_MASK_PCM|\ SOUND_MASK_LINE|SOUND_MASK_CD|\ SOUND_MASK_ALTPCM|SOUND_MASK_IGAIN|\ SOUND_MASK_LINE1|SOUND_MASK_VIDEO) #define AC97_SUPPORTED_MASK (AC97_STEREO_MASK | \ SOUND_MASK_BASS|SOUND_MASK_TREBLE|\ SOUND_MASK_SPEAKER|SOUND_MASK_MIC|\ SOUND_MASK_PHONEIN|SOUND_MASK_PHONEOUT) #define AC97_RECORD_MASK (SOUND_MASK_MIC|\ SOUND_MASK_CD|SOUND_MASK_IGAIN|SOUND_MASK_VIDEO|\ SOUND_MASK_LINE1| SOUND_MASK_LINE|\ SOUND_MASK_PHONEIN) /* original check is not good enough in case FOO is greater than * SOUND_MIXER_NRDEVICES because the supported_mixers has exactly * SOUND_MIXER_NRDEVICES elements. * before matching the given mixer against the bitmask in supported_mixers we * check if mixer number exceeds maximum allowed size which is as mentioned * above SOUND_MIXER_NRDEVICES */ #define supported_mixer(CODEC,FOO) ((FOO >= 0) && \ (FOO < SOUND_MIXER_NRDEVICES) && \ (CODEC)->supported_mixers & (1<<FOO) ) struct ac97_codec { /* Linked list of codecs */ struct list_head list; /* AC97 controller connected with */ void *private_data; char *name; int id; int dev_mixer; int type; u32 model; int modem:1; struct ac97_ops *codec_ops; /* controller specific lower leverl ac97 accessing routines. must be re-entrant safe */ u16 (*codec_read) (struct ac97_codec *codec, u8 reg); void (*codec_write) (struct ac97_codec *codec, u8 reg, u16 val); /* Wait for codec-ready. Ok to sleep here. */ void (*codec_wait) (struct ac97_codec *codec); /* callback used by helper drivers for interesting ac97 setups */ void (*codec_unregister) (struct ac97_codec *codec); struct ac97_driver *driver; void *driver_private; /* Private data for the driver */ spinlock_t lock; /* OSS mixer masks */ int modcnt; int supported_mixers; int stereo_mixers; int record_sources; /* Property flags */ int flags; int bit_resolution; /* OSS mixer interface */ int (*read_mixer) (struct ac97_codec *codec, int oss_channel); void (*write_mixer)(struct ac97_codec *codec, int oss_channel, unsigned int left, unsigned int right); int (*recmask_io) (struct ac97_codec *codec, int rw, int mask); int (*mixer_ioctl)(struct ac97_codec *codec, unsigned int cmd, unsigned long arg); /* saved OSS mixer states */ unsigned int mixer_state[SOUND_MIXER_NRDEVICES]; /* Software Modem interface */ int (*modem_ioctl)(struct ac97_codec *codec, unsigned int cmd, unsigned long arg); }; /* * Operation structures for each known AC97 chip */ struct ac97_ops { /* Initialise */ int (*init)(struct ac97_codec *c); /* Amplifier control */ int (*amplifier)(struct ac97_codec *codec, int on); /* Digital mode control */ int (*digital)(struct ac97_codec *codec, int slots, int rate, int mode); #define AUDIO_DIGITAL 0x8000 #define AUDIO_PRO 0x4000 #define AUDIO_DRS 0x2000 #define AUDIO_CCMASK 0x003F #define AC97_DELUDED_MODEM 1 /* Audio codec reports its a modem */ #define AC97_NO_PCM_VOLUME 2 /* Volume control is missing */ #define AC97_DEFAULT_POWER_OFF 4 /* Needs warm reset to power up */ }; extern int ac97_read_proc (char *page_out, char **start, off_t off, int count, int *eof, void *data); extern int ac97_probe_codec(struct ac97_codec *); extern unsigned int ac97_set_adc_rate(struct ac97_codec *codec, unsigned int rate); extern unsigned int ac97_set_dac_rate(struct ac97_codec *codec, unsigned int rate); extern int ac97_save_state(struct ac97_codec *codec); extern int ac97_restore_state(struct ac97_codec *codec); extern struct ac97_codec *ac97_alloc_codec(void); extern void ac97_release_codec(struct ac97_codec *codec); struct ac97_driver { struct list_head list; char *name; u32 codec_id; u32 codec_mask; int (*probe) (struct ac97_codec *codec, struct ac97_driver *driver); void (*remove) (struct ac97_codec *codec, struct ac97_driver *driver); }; extern int ac97_register_driver(struct ac97_driver *driver); extern void ac97_unregister_driver(struct ac97_driver *driver); /* quirk types */ enum { AC97_TUNE_DEFAULT = -1, /* use default from quirk list (not valid in list) */ AC97_TUNE_NONE = 0, /* nothing extra to do */ AC97_TUNE_HP_ONLY, /* headphone (true line-out) control as master only */ AC97_TUNE_SWAP_HP, /* swap headphone and master controls */ AC97_TUNE_SWAP_SURROUND, /* swap master and surround controls */ AC97_TUNE_AD_SHARING, /* for AD1985, turn on OMS bit and use headphone */ AC97_TUNE_ALC_JACK, /* for Realtek, enable JACK detection */ }; struct ac97_quirk { unsigned short vendor; /* PCI vendor id */ unsigned short device; /* PCI device id */ unsigned short mask; /* device id bit mask, 0 = accept all */ const char *name; /* name shown as info */ int type; /* quirk type above */ }; struct pci_dev; extern int ac97_tune_hardware(struct pci_dev *pdev, struct ac97_quirk *quirk, int override); #endif /* _AC97_CODEC_H_ */