//
//  Device and Vendor IDs - Needed like this for OSS only
//
#define CYRIX_VENDOR_ID     0x1078
#define NATIONAL_VENDOR_ID  0x100B

//
//       Audio  Device IDs
//
#define CX5530_DEV_ID    0x0103
#define SC1200_DEV_ID    0x0503
#define CS5535_DEV_ID    0x002E

//
// Function 3 of 5530 PCI dev is Audio (ISA idx).
//
#define  PCI_FUNC3_AUDIO     0x300
#define  PCI_AUDIO_CMD_REG   0x04

typedef unsigned char AUDIO_STATE;

#define AUDIO_STATE_IGNORE          0
#define AUDIO_STATE_IN_RECORDING    0x01
#define AUDIO_STATE_IN_OVERFLOW     0x02
#define AUDIO_STATE_IN_STOPPED      0x03
#define AUDIO_STATE_IN_MASK         0x0F
#define AUDIO_STATE_OUT_PLAYING     0x10
#define AUDIO_STATE_OUT_UNDERFLOW   0x20
#define AUDIO_STATE_OUT_STOPPED     0x30
#define AUDIO_STATE_OUT_MASK        0xF0

#define RECORD_RUNNING		0x01
#define RECORD_OVERFLOW		0x02
#define RECORD_STOPPED		0x03

#define PLAYBACK_RUNNING    0x10
#define PLAYBACK_UNDERFLOW  0x20
#define PLAYBACK_STOPPED    0x30

//
// The CODEC commands are actually 16-bit words, into which is inserted
// the codec "target" register, identified by a byte. The 5530 Codec
// controller writes a command unsigned short of 32-bits, that includes the codec
// command unsigned short.
//
#define CODEC_COMMAND_MASK       0xFF00FFFF

//
//  The Interaction with the CODEC is a bit cumbersome
//  because of the serial interface.
//
#define CODEC_STATUS_REG    0x08        // In Audio mem-map.
#define CODEC_CMD_REG       0x0c        // In audio mem-map.
#define CODEC_CMD_VALID     0x00010000
#define CODEC_STATUS_VALID  0x00020000
#define CODEC_STATUS_NEW    0x00010000
#define BIT_CODEC_READY     0x00800000

//
//   Registers for the 5535
//
#define CODEC_STATUS_REG_5535		0x08
#define CODEC_CONTROL_REG_5535      0x0c

//
//   5535 Bits
//
#define BIT_5535_CODEC_COMMAND_NEW   0x00010000
#define BIT_5535_CODEC_STATUS_NEW	 0x00020000
#define BIT_5535_ACLINK_SHUTDOWN	 0x00040000
#define BIT_5535_ACLINK_WARM_RESET	 0x00020000
#define BIT_5535_CODEC_READY_PRIM	 0x00800000

//
// Codec register indexes. Note these are all shifted left by 16 bits.
//
#define RESET                0x00
#define MASTER_VOLUME        0x02
#define LINE_LEV_OUT_VOL     0x04
#define MASTER_VOLUME_MONO   0x06
#define MASTER_TONE_RL       0x08
#define PC_BEEP_VOLUME       0x0a
#define PHONE_VOLUME         0x0c
#define MIC_VOLUME           0x0e
#define LINE_IN_VOLUME       0x10
#define CD_VOLUME            0x12
#define VIDEO_VOLUME         0x14
#define TV_VOLUME            0x16
#define PCM_OUT_VOL          0x18
#define RECORD_SELECT        0x1a
#define RECORD_GAIN          0x1c
#define RECORD_MIC_GAIN      0x1e
#define GENERAL_PURPOSE      0x20
#define CONTROL_3D           0x22
#define MODEM_RATE           0x24
#define POWERDOWN_CTRL_STAT  0x26
#define EXTENDED_AUDIO_ID	 0x28
#define EXT_AUDIO_CTRL_STAT  0x2A
#define PCM_FRONT_DAC_RATE   0x2C
#define PCM_LR_ADC_RATE      0x32
#define VENDOR_ID1           0x7c
#define VENDOR_ID2           0x7e

#define MUTE_MASK			 0x8000
#define HEADHONE_AVAIL       0x0010
#define LINE_LEV_RESET_VOL	 0x0000 // the reset without the mask

#ifdef AC97_2DOT1_6BIT_COMPLIANT
#	define MASTER_ATTEN_CTL_BITS		 6
#else
#	define MASTER_ATTEN_CTL_BITS		 5
#endif

#define MASTER_VOLUME_MAX    ( ( 1 << MASTER_ATTEN_CTL_BITS ) - 1 )
#define LINE_LEV_OUT_MAX     ( ( 1 << MASTER_ATTEN_CTL_BITS ) - 1 )

//
// AD1819A registers
//
#define AD1819A_SER_CONF			0x74
#define AD1819A_SER_CONF_DRQEN		0x08
#define AD1819A_MISC				0x76
#define AD1819A_PCM_SR0				0x78
#define AD1819A_PCM_SR1				0x7A
#define AD1819A_VENDORID1			0x7C
#define AD1819A_VENDORID2			0x7E

//
//	Power Management bits
//
#define GEODEAUDIO_PWR_PR0	0x0100      // PCM in ADC's & input Mux Powerdown
#define GEODEAUDIO_PWR_PR1    0x0200      // PCM out DACs Powerdown
#define GEODEAUDIO_PWR_PR2    0x0400      // Analog Mixer powerdown (Vref still on)
#define GEODEAUDIO_PWR_PR3    0x0800      // Analog Mxer powerdown (Vref off)
#define GEODEAUDIO_PWR_PR4    0x1000      // Digital interface (AC-link) powerdown (external clk off)
#define GEODEAUDIO_PWR_PR5    0x2000      // Internal Clk disable
#define GEODEAUDIO_PWR_PR6    0x4000      // HP amp powerdown
#define GEODEAUDIO_PWR_PR7    0x8000      // External Amplifier Power Down

#define GEODEAUDIO_PWR_D0              0x0000
#define GEODEAUDIO_PWR_D1              GEODEAUDIO_PWR_EXTOFF
#define GEODEAUDIO_PWR_D2              GEODEAUDIO_PWR_PR0|GEODEAUDIO_PWR_PR1|GEODEAUDIO_PWR_PR2|GEODEAUDIO_PWR_PR6|GEODEAUDIO_PWR_PR7
#define GEODEAUDIO_PWR_D3              GEODEAUDIO_PWR_PR0|GEODEAUDIO_PWR_PR1|GEODEAUDIO_PWR_PR2|GEODEAUDIO_PWR_PR6|GEODEAUDIO_PWR_PR7
#define GEODEAUDIO_PWR_D4              GEODEAUDIO_PWR_PR0|GEODEAUDIO_PWR_PR1|GEODEAUDIO_PWR_PR2|GEODEAUDIO_PWR_PR3|GEODEAUDIO_PWR_PR4|GEODEAUDIO_PWR_PR5|GEODEAUDIO_PWR_PR6|GEODEAUDIO_PWR_PR7
#define GEODEAUDIO_PWR_ANLOFF          GEODEAUDIO_PWR_PR2|GEODEAUDIO_PWR_PR3  // Analog section OFF
#define GEODEAUDIO_PWR_EXTOFF          GEODEAUDIO_PWR_PR6|GEODEAUDIO_PWR_PR7  // HP amp and External Amplifier OFF
#define GEODEAUDIO_PWR_D1_HAWK         GEODEAUDIO_PWR_PR0|GEODEAUDIO_PWR_PR1|GEODEAUDIO_PWR_PR2|GEODEAUDIO_PWR_PR3|GEODEAUDIO_PWR_PR4
#define GEODEAUDIO_PWR_DIGOFF			 GEODEAUDIO_PWR_PR0|GEODEAUDIO_PWR_PR1	// Digital section OFF

#define GEODEAUDIO_PWRUP_STEP1		 0x0F00 // Clear EAPD,PR6 and AC-link to power up external and HP amp and Digital interface
#define GEODEAUDIO_PWRUP_STEP2		 0x0700 // Clear PR3 to power up Analog (Vref off)
#define GEODEAUDIO_PWRUP_STEP3		 0x0300 // Clear PR2 to power up Analog (Vref on)
#define GEODEAUDIO_PWRUP_STEP4		 0x0100 // Clear PR1 to power up DAC
#define GEODEAUDIO_PWRUP_STEP5		 0x0000 // Clear PR0 to power up ADC

#define GEODEAUDIO_CODEC_POWER_ADC	 0x0001
#define GEODEAUDIO_CODEC_POWER_DAC	 0x0002
#define GEODEAUDIO_CODEC_POWER_ANL	 0x0004
#define GEODEAUDIO_CODEC_POWER_REF   0x0008

//
// Device Power States
//
typedef enum _GEODEAUDIO_POWER_STATE
{
    GEODEAUDIO_D0 = 0, // Full On: full power,  full functionality
    GEODEAUDIO_D1,     // Low Power On: fully functional at low power/performance
    GEODEAUDIO_D2,     // Standby: partially powered with automatic wake
    GEODEAUDIO_D3,     // Sleep: partially powered with device initiated wake
    GEODEAUDIO_D4,     // Off: unpowered
} GEODEAUDIO_POWER_STATE, *PGEODEAUDIO_POWER_STATE;

// PRD table flags
#define PRD_JMP_BIT                     0x20000000
#define PRD_EOP_BIT                     0x40000000
#define PRD_EOT_BIT                     0x80000000

typedef struct tagPRDEntry
{
    unsigned long  ulPhysAddr;
    unsigned long  SizeFlags;
} PRD_ENTRY, *PPRD_ENTRY;


//
//   Command register bits
//
#define	 PCI_READS			0x00
#define	 PCI_WRITES			0x08

#define  ENABLE_BUSMASTER	0x01
#define  PAUSE_BUSMASTER	0x03
#define  STOP_BUSMASTER		0x00

#define CHANNEL0_PLAYBACK   0
#define CHANNEL1_RECORD		1
#define MAX_CHANNELS		2