diff options
Diffstat (limited to 'sound/oss/ac97.h')
| -rw-r--r-- | sound/oss/ac97.h | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/sound/oss/ac97.h b/sound/oss/ac97.h deleted file mode 100644 index 01837a9..0000000 --- a/sound/oss/ac97.h +++ /dev/null @@ -1,201 +0,0 @@ -/* - * ac97.h - * - * definitions for the AC97, Intel's Audio Codec 97 Spec - * also includes support for a generic AC97 interface - */ - -#ifndef _AC97_H_ -#define _AC97_H_ -#include "sound_config.h" -#include "sound_calls.h" - -#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 - -/* registers 0x0028 - 0x0058 are reserved */ - -/* 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 DAC 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 */ -/* range 0x3c-0x58 - MODEM */ - -/* 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 /* not used */ -#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 */ - - -/* 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 */ - -/* 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 - -/* Generic AC97 mixer interface. */ - -/* Structure describing access to the hardware. */ -struct ac97_hwint -{ - /* Perform any hardware-specific reset and initialization. Returns - 0 on success, or a negative error code. */ - int (*reset_device) (struct ac97_hwint *dev); - - /* Returns the contents of the specified register REG. The caller - should check to see if the desired contents are available in - the cache first, if applicable. Returns a positive unsigned value - representing the contents of the register, or a negative error - code. */ - int (*read_reg) (struct ac97_hwint *dev, u8 reg); - - /* Writes VALUE to register REG. Returns 0 on success, or a - negative error code. */ - int (*write_reg) (struct ac97_hwint *dev, u8 reg, u16 value); - - /* Hardware-specific information. */ - void *driver_private; - - /* Three OSS masks. */ - int mixer_devmask; - int mixer_stereomask; - int mixer_recmask; - - /* The mixer cache. The indices correspond to the AC97 hardware register - number / 2, since the register numbers are always an even number. - - Unknown values are set to -1; unsupported registers contain a - -2. */ - int last_written_mixer_values[AC97_REG_CNT]; - - /* A cache of values written via OSS; we need these so we can return - the values originally written by the user. - - Why the original user values? Because the real-world hardware - has less precision, and some existing applications assume that - they will get back the exact value that they wrote (aumix). - - A -1 value indicates that no value has been written to this mixer - channel via OSS. */ - int last_written_OSS_values[SOUND_MIXER_NRDEVICES]; -}; - -/* Values stored in the register cache. */ -#define AC97_REGVAL_UNKNOWN -1 -#define AC97_REG_UNSUPPORTED -2 - -struct ac97_mixer_value_list -{ - /* Mixer channel to set. List is terminated by a value of -1. */ - int oss_channel; - /* The scaled value to set it to; values generally range from 0-100. */ - union { - struct { - u8 left, right; - } stereo; - u8 mono; - } value; -}; - -/* Initialize the ac97 mixer by resetting it. */ -extern int ac97_init (struct ac97_hwint *dev); - -/* Sets the mixer DEV to the values in VALUE_LIST. Returns 0 on success, - or a negative error code. */ -extern int ac97_set_values (struct ac97_hwint *dev, - struct ac97_mixer_value_list *value_list); - -/* Writes the specified VALUE to the AC97 register REG in the mixer. - Takes care of setting the last-written cache as well. */ -extern int ac97_put_register (struct ac97_hwint *dev, u8 reg, u16 value); - -/* Default ioctl. */ -extern int ac97_mixer_ioctl (struct ac97_hwint *dev, unsigned int cmd, - void __user * arg); - -#endif - -/* - * Local variables: - * c-basic-offset: 4 - * End: - */ |
