375 lines
15 KiB
C
375 lines
15 KiB
C
#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_ */
|