diff options
Diffstat (limited to 'include/linux/ac97_codec.h')
| -rw-r--r-- | include/linux/ac97_codec.h | 374 |
1 files changed, 374 insertions, 0 deletions
diff --git a/include/linux/ac97_codec.h b/include/linux/ac97_codec.h new file mode 100644 index 0000000..c358338 --- /dev/null +++ b/include/linux/ac97_codec.h @@ -0,0 +1,374 @@ +#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_ */ |
