[ALSA] Remove xxx_t typedefs: Core component

Modules: ALSA Core

Remove xxx_t typedefs from the core component.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

2 files changed, 349 insertions, 390 deletions

diff --git a/include/sound/asound.h b/include/sound/asound.h
index 1389704d8d61..9cc021c7ee11 100644
--- a/include/sound/asound.h
+++ b/include/sound/asound.h
@@ -60,7 +60,7 @@
  *                                                                          *
  ****************************************************************************/
 
-struct sndrv_aes_iec958 {
+struct snd_aes_iec958 {
         unsigned char status[24];       /* AES/IEC958 channel status bits */
         unsigned char subcode[147];     /* AES/IEC958 subcode bits */
         unsigned char pad;              /* nothing */
@@ -75,7 +75,7 @@ struct sndrv_aes_iec958 {
 
 #define SNDRV_HWDEP_VERSION             SNDRV_PROTOCOL_VERSION(1, 0, 1)
 
-enum sndrv_hwdep_iface {
+enum {
         SNDRV_HWDEP_IFACE_OPL2 = 0,
         SNDRV_HWDEP_IFACE_OPL3,
         SNDRV_HWDEP_IFACE_OPL4,
@@ -97,17 +97,17 @@ enum sndrv_hwdep_iface {
         SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_SB_RC
 };
 
-struct sndrv_hwdep_info {
+struct snd_hwdep_info {
         unsigned int device;            /* WR: device number */
         int card;                       /* R: card number */
         unsigned char id[64];           /* ID (user selectable) */
         unsigned char name[80];         /* hwdep name */
-        enum sndrv_hwdep_iface iface;   /* hwdep interface */
+        int iface;                      /* hwdep interface */
         unsigned char reserved[64];     /* reserved for future */
 };
 
 /* generic DSP loader */
-struct sndrv_hwdep_dsp_status {
+struct snd_hwdep_dsp_status {
         unsigned int version;           /* R: driver-specific version */
         unsigned char id[32];           /* R: driver-specific ID string */
         unsigned int num_dsps;          /* R: number of DSP images to transfer */
@@ -116,7 +116,7 @@ struct sndrv_hwdep_dsp_status {
         unsigned char reserved[16];     /* reserved for future use */
 };
 
-struct sndrv_hwdep_dsp_image {
+struct snd_hwdep_dsp_image {
         unsigned int index;             /* W: DSP index */
         unsigned char name[64];         /* W: ID (e.g. file name) */
         unsigned char __user *image;    /* W: binary image */
@@ -126,9 +126,9 @@ struct sndrv_hwdep_dsp_image {
 
 enum {
         SNDRV_HWDEP_IOCTL_PVERSION = _IOR ('H', 0x00, int),
-        SNDRV_HWDEP_IOCTL_INFO = _IOR ('H', 0x01, struct sndrv_hwdep_info),
-        SNDRV_HWDEP_IOCTL_DSP_STATUS = _IOR('H', 0x02, struct sndrv_hwdep_dsp_status),
-        SNDRV_HWDEP_IOCTL_DSP_LOAD   = _IOW('H', 0x03, struct sndrv_hwdep_dsp_image)
+        SNDRV_HWDEP_IOCTL_INFO = _IOR ('H', 0x01, struct snd_hwdep_info),
+        SNDRV_HWDEP_IOCTL_DSP_STATUS = _IOR('H', 0x02, struct snd_hwdep_dsp_status),
+        SNDRV_HWDEP_IOCTL_DSP_LOAD   = _IOW('H', 0x03, struct snd_hwdep_dsp_image)
 };
 
 /*****************************************************************************
@@ -139,10 +139,10 @@ enum {
 
 #define SNDRV_PCM_VERSION               SNDRV_PROTOCOL_VERSION(2, 0, 7)
 
-typedef unsigned long sndrv_pcm_uframes_t;
-typedef long sndrv_pcm_sframes_t;
+typedef unsigned long snd_pcm_uframes_t;
+typedef signed long snd_pcm_sframes_t;
 
-enum sndrv_pcm_class {
+enum {
         SNDRV_PCM_CLASS_GENERIC = 0,    /* standard mono or stereo device */
         SNDRV_PCM_CLASS_MULTI,          /* multichannel device */
         SNDRV_PCM_CLASS_MODEM,          /* software modem class */
@@ -151,97 +151,94 @@ enum sndrv_pcm_class {
         SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER,
 };
 
-enum sndrv_pcm_subclass {
+enum {
         SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */
         SNDRV_PCM_SUBCLASS_MULTI_MIX,   /* multichannel subdevices are mixed together */
         /* Don't forget to change the following: */
         SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX,
 };
 
-enum sndrv_pcm_stream {
+enum {
         SNDRV_PCM_STREAM_PLAYBACK = 0,
         SNDRV_PCM_STREAM_CAPTURE,
         SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE,
 };
 
-enum sndrv_pcm_access {
-        SNDRV_PCM_ACCESS_MMAP_INTERLEAVED = 0,  /* interleaved mmap */
-        SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED,   /* noninterleaved mmap */
-        SNDRV_PCM_ACCESS_MMAP_COMPLEX,          /* complex mmap */
-        SNDRV_PCM_ACCESS_RW_INTERLEAVED,        /* readi/writei */
-        SNDRV_PCM_ACCESS_RW_NONINTERLEAVED,     /* readn/writen */
-        SNDRV_PCM_ACCESS_LAST = SNDRV_PCM_ACCESS_RW_NONINTERLEAVED,
-};
-
-enum sndrv_pcm_format {
-        SNDRV_PCM_FORMAT_S8 = 0,
-        SNDRV_PCM_FORMAT_U8,
-        SNDRV_PCM_FORMAT_S16_LE,
-        SNDRV_PCM_FORMAT_S16_BE,
-        SNDRV_PCM_FORMAT_U16_LE,
-        SNDRV_PCM_FORMAT_U16_BE,
-        SNDRV_PCM_FORMAT_S24_LE,        /* low three bytes */
-        SNDRV_PCM_FORMAT_S24_BE,        /* low three bytes */
-        SNDRV_PCM_FORMAT_U24_LE,        /* low three bytes */
-        SNDRV_PCM_FORMAT_U24_BE,        /* low three bytes */
-        SNDRV_PCM_FORMAT_S32_LE,
-        SNDRV_PCM_FORMAT_S32_BE,
-        SNDRV_PCM_FORMAT_U32_LE,
-        SNDRV_PCM_FORMAT_U32_BE,
-        SNDRV_PCM_FORMAT_FLOAT_LE,      /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */
-        SNDRV_PCM_FORMAT_FLOAT_BE,      /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */
-        SNDRV_PCM_FORMAT_FLOAT64_LE,    /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */
-        SNDRV_PCM_FORMAT_FLOAT64_BE,    /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */
-        SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE,    /* IEC-958 subframe, Little Endian */
-        SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE,    /* IEC-958 subframe, Big Endian */
-        SNDRV_PCM_FORMAT_MU_LAW,
-        SNDRV_PCM_FORMAT_A_LAW,
-        SNDRV_PCM_FORMAT_IMA_ADPCM,
-        SNDRV_PCM_FORMAT_MPEG,
-        SNDRV_PCM_FORMAT_GSM,
-        SNDRV_PCM_FORMAT_SPECIAL = 31,
-        SNDRV_PCM_FORMAT_S24_3LE = 32,  /* in three bytes */
-        SNDRV_PCM_FORMAT_S24_3BE,       /* in three bytes */
-        SNDRV_PCM_FORMAT_U24_3LE,       /* in three bytes */
-        SNDRV_PCM_FORMAT_U24_3BE,       /* in three bytes */
-        SNDRV_PCM_FORMAT_S20_3LE,       /* in three bytes */
-        SNDRV_PCM_FORMAT_S20_3BE,       /* in three bytes */
-        SNDRV_PCM_FORMAT_U20_3LE,       /* in three bytes */
-        SNDRV_PCM_FORMAT_U20_3BE,       /* in three bytes */
-        SNDRV_PCM_FORMAT_S18_3LE,       /* in three bytes */
-        SNDRV_PCM_FORMAT_S18_3BE,       /* in three bytes */
-        SNDRV_PCM_FORMAT_U18_3LE,       /* in three bytes */
-        SNDRV_PCM_FORMAT_U18_3BE,       /* in three bytes */
-        SNDRV_PCM_FORMAT_LAST = SNDRV_PCM_FORMAT_U18_3BE,
+typedef int __bitwise snd_pcm_access_t;
+#define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED       ((__force snd_pcm_access_t) 0) /* interleaved mmap */
+#define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED    ((__force snd_pcm_access_t) 1) /* noninterleaved mmap */
+#define SNDRV_PCM_ACCESS_MMAP_COMPLEX           ((__force snd_pcm_access_t) 2) /* complex mmap */
+#define SNDRV_PCM_ACCESS_RW_INTERLEAVED         ((__force snd_pcm_access_t) 3) /* readi/writei */
+#define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED      ((__force snd_pcm_access_t) 4) /* readn/writen */
+#define SNDRV_PCM_ACCESS_LAST           SNDRV_PCM_ACCESS_RW_NONINTERLEAVED
+
+typedef int __bitwise snd_pcm_format_t;
+#define SNDRV_PCM_FORMAT_S8     ((__force snd_pcm_format_t) 0)
+#define SNDRV_PCM_FORMAT_U8     ((__force snd_pcm_format_t) 1)
+#define SNDRV_PCM_FORMAT_S16_LE ((__force snd_pcm_format_t) 2)
+#define SNDRV_PCM_FORMAT_S16_BE ((__force snd_pcm_format_t) 3)
+#define SNDRV_PCM_FORMAT_U16_LE ((__force snd_pcm_format_t) 4)
+#define SNDRV_PCM_FORMAT_U16_BE ((__force snd_pcm_format_t) 5)
+#define SNDRV_PCM_FORMAT_S24_LE ((__force snd_pcm_format_t) 6) /* low three bytes */
+#define SNDRV_PCM_FORMAT_S24_BE ((__force snd_pcm_format_t) 7) /* low three bytes */
+#define SNDRV_PCM_FORMAT_U24_LE ((__force snd_pcm_format_t) 8) /* low three bytes */
+#define SNDRV_PCM_FORMAT_U24_BE ((__force snd_pcm_format_t) 9) /* low three bytes */
+#define SNDRV_PCM_FORMAT_S32_LE ((__force snd_pcm_format_t) 10)
+#define SNDRV_PCM_FORMAT_S32_BE ((__force snd_pcm_format_t) 11)
+#define SNDRV_PCM_FORMAT_U32_LE ((__force snd_pcm_format_t) 12)
+#define SNDRV_PCM_FORMAT_U32_BE ((__force snd_pcm_format_t) 13)
+#define SNDRV_PCM_FORMAT_FLOAT_LE       ((__force snd_pcm_format_t) 14) /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */
+#define SNDRV_PCM_FORMAT_FLOAT_BE       ((__force snd_pcm_format_t) 15) /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */
+#define SNDRV_PCM_FORMAT_FLOAT64_LE     ((__force snd_pcm_format_t) 16) /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */
+#define SNDRV_PCM_FORMAT_FLOAT64_BE     ((__force snd_pcm_format_t) 17) /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */
+#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((__force snd_pcm_format_t) 18) /* IEC-958 subframe, Little Endian */
+#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((__force snd_pcm_format_t) 19) /* IEC-958 subframe, Big Endian */
+#define SNDRV_PCM_FORMAT_MU_LAW         ((__force snd_pcm_format_t) 20)
+#define SNDRV_PCM_FORMAT_A_LAW          ((__force snd_pcm_format_t) 21)
+#define SNDRV_PCM_FORMAT_IMA_ADPCM      ((__force snd_pcm_format_t) 22)
+#define SNDRV_PCM_FORMAT_MPEG           ((__force snd_pcm_format_t) 23)
+#define SNDRV_PCM_FORMAT_GSM            ((__force snd_pcm_format_t) 24)
+#define SNDRV_PCM_FORMAT_SPECIAL        ((__force snd_pcm_format_t) 31)
+#define SNDRV_PCM_FORMAT_S24_3LE        ((__force snd_pcm_format_t) 32) /* in three bytes */
+#define SNDRV_PCM_FORMAT_S24_3BE        ((__force snd_pcm_format_t) 33) /* in three bytes */
+#define SNDRV_PCM_FORMAT_U24_3LE        ((__force snd_pcm_format_t) 34) /* in three bytes */
+#define SNDRV_PCM_FORMAT_U24_3BE        ((__force snd_pcm_format_t) 35) /* in three bytes */
+#define SNDRV_PCM_FORMAT_S20_3LE        ((__force snd_pcm_format_t) 36) /* in three bytes */
+#define SNDRV_PCM_FORMAT_S20_3BE        ((__force snd_pcm_format_t) 37) /* in three bytes */
+#define SNDRV_PCM_FORMAT_U20_3LE        ((__force snd_pcm_format_t) 38) /* in three bytes */
+#define SNDRV_PCM_FORMAT_U20_3BE        ((__force snd_pcm_format_t) 39) /* in three bytes */
+#define SNDRV_PCM_FORMAT_S18_3LE        ((__force snd_pcm_format_t) 40) /* in three bytes */
+#define SNDRV_PCM_FORMAT_S18_3BE        ((__force snd_pcm_format_t) 41) /* in three bytes */
+#define SNDRV_PCM_FORMAT_U18_3LE        ((__force snd_pcm_format_t) 42) /* in three bytes */
+#define SNDRV_PCM_FORMAT_U18_3BE        ((__force snd_pcm_format_t) 43) /* in three bytes */
+#define SNDRV_PCM_FORMAT_LAST           SNDRV_PCM_FORMAT_U18_3BE
 
 #ifdef SNDRV_LITTLE_ENDIAN
-        SNDRV_PCM_FORMAT_S16 = SNDRV_PCM_FORMAT_S16_LE,
-        SNDRV_PCM_FORMAT_U16 = SNDRV_PCM_FORMAT_U16_LE,
-        SNDRV_PCM_FORMAT_S24 = SNDRV_PCM_FORMAT_S24_LE,
-        SNDRV_PCM_FORMAT_U24 = SNDRV_PCM_FORMAT_U24_LE,
-        SNDRV_PCM_FORMAT_S32 = SNDRV_PCM_FORMAT_S32_LE,
-        SNDRV_PCM_FORMAT_U32 = SNDRV_PCM_FORMAT_U32_LE,
-        SNDRV_PCM_FORMAT_FLOAT = SNDRV_PCM_FORMAT_FLOAT_LE,
-        SNDRV_PCM_FORMAT_FLOAT64 = SNDRV_PCM_FORMAT_FLOAT64_LE,
-        SNDRV_PCM_FORMAT_IEC958_SUBFRAME = SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE,
+#define SNDRV_PCM_FORMAT_S16            SNDRV_PCM_FORMAT_S16_LE
+#define SNDRV_PCM_FORMAT_U16            SNDRV_PCM_FORMAT_U16_LE
+#define SNDRV_PCM_FORMAT_S24            SNDRV_PCM_FORMAT_S24_LE
+#define SNDRV_PCM_FORMAT_U24            SNDRV_PCM_FORMAT_U24_LE
+#define SNDRV_PCM_FORMAT_S32            SNDRV_PCM_FORMAT_S32_LE
+#define SNDRV_PCM_FORMAT_U32            SNDRV_PCM_FORMAT_U32_LE
+#define SNDRV_PCM_FORMAT_FLOAT          SNDRV_PCM_FORMAT_FLOAT_LE
+#define SNDRV_PCM_FORMAT_FLOAT64        SNDRV_PCM_FORMAT_FLOAT64_LE
+#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE
 #endif
 #ifdef SNDRV_BIG_ENDIAN
-        SNDRV_PCM_FORMAT_S16 = SNDRV_PCM_FORMAT_S16_BE,
-        SNDRV_PCM_FORMAT_U16 = SNDRV_PCM_FORMAT_U16_BE,
-        SNDRV_PCM_FORMAT_S24 = SNDRV_PCM_FORMAT_S24_BE,
-        SNDRV_PCM_FORMAT_U24 = SNDRV_PCM_FORMAT_U24_BE,
-        SNDRV_PCM_FORMAT_S32 = SNDRV_PCM_FORMAT_S32_BE,
-        SNDRV_PCM_FORMAT_U32 = SNDRV_PCM_FORMAT_U32_BE,
-        SNDRV_PCM_FORMAT_FLOAT = SNDRV_PCM_FORMAT_FLOAT_BE,
-        SNDRV_PCM_FORMAT_FLOAT64 = SNDRV_PCM_FORMAT_FLOAT64_BE,
-        SNDRV_PCM_FORMAT_IEC958_SUBFRAME = SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE,
+#define SNDRV_PCM_FORMAT_S16            SNDRV_PCM_FORMAT_S16_BE
+#define SNDRV_PCM_FORMAT_U16            SNDRV_PCM_FORMAT_U16_BE
+#define SNDRV_PCM_FORMAT_S24            SNDRV_PCM_FORMAT_S24_BE
+#define SNDRV_PCM_FORMAT_U24            SNDRV_PCM_FORMAT_U24_BE
+#define SNDRV_PCM_FORMAT_S32            SNDRV_PCM_FORMAT_S32_BE
+#define SNDRV_PCM_FORMAT_U32            SNDRV_PCM_FORMAT_U32_BE
+#define SNDRV_PCM_FORMAT_FLOAT          SNDRV_PCM_FORMAT_FLOAT_BE
+#define SNDRV_PCM_FORMAT_FLOAT64        SNDRV_PCM_FORMAT_FLOAT64_BE
+#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE
 #endif
-};
 
-enum sndrv_pcm_subformat {
-        SNDRV_PCM_SUBFORMAT_STD = 0,
-        SNDRV_PCM_SUBFORMAT_LAST = SNDRV_PCM_SUBFORMAT_STD,
-};
+typedef int __bitwise snd_pcm_subformat_t;
+#define SNDRV_PCM_SUBFORMAT_STD         ((__force snd_pcm_subformat_t) 0)
+#define SNDRV_PCM_SUBFORMAT_LAST        SNDRV_PCM_SUBFORMAT_STD
 
 #define SNDRV_PCM_INFO_MMAP             0x00000001      /* hardware supports mmap */
 #define SNDRV_PCM_INFO_MMAP_VALID       0x00000002      /* period data are valid during transfer */
@@ -258,18 +255,17 @@ enum sndrv_pcm_subformat {
 #define SNDRV_PCM_INFO_JOINT_DUPLEX     0x00200000      /* playback and capture stream are somewhat correlated */
 #define SNDRV_PCM_INFO_SYNC_START       0x00400000      /* pcm support some kind of sync go */
 
-enum sndrv_pcm_state {
-        SNDRV_PCM_STATE_OPEN = 0,       /* stream is open */
-        SNDRV_PCM_STATE_SETUP,          /* stream has a setup */
-        SNDRV_PCM_STATE_PREPARED,       /* stream is ready to start */
-        SNDRV_PCM_STATE_RUNNING,        /* stream is running */
-        SNDRV_PCM_STATE_XRUN,           /* stream reached an xrun */
-        SNDRV_PCM_STATE_DRAINING,       /* stream is draining */
-        SNDRV_PCM_STATE_PAUSED,         /* stream is paused */
-        SNDRV_PCM_STATE_SUSPENDED,      /* hardware is suspended */
-        SNDRV_PCM_STATE_DISCONNECTED,   /* hardware is disconnected */
-        SNDRV_PCM_STATE_LAST = SNDRV_PCM_STATE_DISCONNECTED,
-};
+typedef int __bitwise snd_pcm_state_t;
+#define SNDRV_PCM_STATE_OPEN            ((__force snd_pcm_state_t) 0) /* stream is open */
+#define SNDRV_PCM_STATE_SETUP           ((__force snd_pcm_state_t) 1) /* stream has a setup */
+#define SNDRV_PCM_STATE_PREPARED        ((__force snd_pcm_state_t) 2) /* stream is ready to start */
+#define SNDRV_PCM_STATE_RUNNING         ((__force snd_pcm_state_t) 3) /* stream is running */
+#define SNDRV_PCM_STATE_XRUN            ((__force snd_pcm_state_t) 4) /* stream reached an xrun */
+#define SNDRV_PCM_STATE_DRAINING        ((__force snd_pcm_state_t) 5) /* stream is draining */
+#define SNDRV_PCM_STATE_PAUSED          ((__force snd_pcm_state_t) 6) /* stream is paused */
+#define SNDRV_PCM_STATE_SUSPENDED       ((__force snd_pcm_state_t) 7) /* hardware is suspended */
+#define SNDRV_PCM_STATE_DISCONNECTED    ((__force snd_pcm_state_t) 8) /* hardware is disconnected */
+#define SNDRV_PCM_STATE_LAST            SNDRV_PCM_STATE_DISCONNECTED
 
 enum {
         SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000,
@@ -277,55 +273,53 @@ enum {
         SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000,
 };
 
-union sndrv_pcm_sync_id {
+union snd_pcm_sync_id {
         unsigned char id[16];
         unsigned short id16[8];
         unsigned int id32[4];
 };
 
-struct sndrv_pcm_info {
+struct snd_pcm_info {
         unsigned int device;            /* RO/WR (control): device number */
         unsigned int subdevice;         /* RO/WR (control): subdevice number */
-        enum sndrv_pcm_stream stream;   /* RO/WR (control): stream number */
+        int stream;                     /* RO/WR (control): stream direction */
         int card;                       /* R: card number */
         unsigned char id[64];           /* ID (user selectable) */
         unsigned char name[80];         /* name of this device */
         unsigned char subname[32];      /* subdevice name */
-        enum sndrv_pcm_class dev_class; /* SNDRV_PCM_CLASS_* */
-        enum sndrv_pcm_subclass dev_subclass; /* SNDRV_PCM_SUBCLASS_* */
+        int dev_class;                  /* SNDRV_PCM_CLASS_* */
+        int dev_subclass;               /* SNDRV_PCM_SUBCLASS_* */
         unsigned int subdevices_count;
         unsigned int subdevices_avail;
-        union sndrv_pcm_sync_id sync;   /* hardware synchronization ID */
+        union snd_pcm_sync_id sync;     /* hardware synchronization ID */
         unsigned char reserved[64];     /* reserved for future... */
 };
 
-enum sndrv_pcm_hw_param {
-        SNDRV_PCM_HW_PARAM_ACCESS = 0,  /* Access type */
-        SNDRV_PCM_HW_PARAM_FIRST_MASK = SNDRV_PCM_HW_PARAM_ACCESS,
-        SNDRV_PCM_HW_PARAM_FORMAT,      /* Format */
-        SNDRV_PCM_HW_PARAM_SUBFORMAT,   /* Subformat */
-        SNDRV_PCM_HW_PARAM_LAST_MASK = SNDRV_PCM_HW_PARAM_SUBFORMAT,
-
-        SNDRV_PCM_HW_PARAM_SAMPLE_BITS = 8, /* Bits per sample */
-        SNDRV_PCM_HW_PARAM_FIRST_INTERVAL = SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
-        SNDRV_PCM_HW_PARAM_FRAME_BITS,  /* Bits per frame */
-        SNDRV_PCM_HW_PARAM_CHANNELS,    /* Channels */
-        SNDRV_PCM_HW_PARAM_RATE,        /* Approx rate */
-        SNDRV_PCM_HW_PARAM_PERIOD_TIME, /* Approx distance between interrupts
-                                           in us */
-        SNDRV_PCM_HW_PARAM_PERIOD_SIZE, /* Approx frames between interrupts */
-        SNDRV_PCM_HW_PARAM_PERIOD_BYTES, /* Approx bytes between interrupts */
-        SNDRV_PCM_HW_PARAM_PERIODS,     /* Approx interrupts per buffer */
-        SNDRV_PCM_HW_PARAM_BUFFER_TIME, /* Approx duration of buffer in us */
-        SNDRV_PCM_HW_PARAM_BUFFER_SIZE, /* Size of buffer in frames */
-        SNDRV_PCM_HW_PARAM_BUFFER_BYTES, /* Size of buffer in bytes */
-        SNDRV_PCM_HW_PARAM_TICK_TIME,   /* Approx tick duration in us */
-        SNDRV_PCM_HW_PARAM_LAST_INTERVAL = SNDRV_PCM_HW_PARAM_TICK_TIME
-};
+typedef int __bitwise snd_pcm_hw_param_t;
+#define SNDRV_PCM_HW_PARAM_ACCESS       ((__force snd_pcm_hw_param_t) 0) /* Access type */
+#define SNDRV_PCM_HW_PARAM_FORMAT       ((__force snd_pcm_hw_param_t) 1) /* Format */
+#define SNDRV_PCM_HW_PARAM_SUBFORMAT    ((__force snd_pcm_hw_param_t) 2) /* Subformat */
+#define SNDRV_PCM_HW_PARAM_FIRST_MASK   SNDRV_PCM_HW_PARAM_ACCESS
+#define SNDRV_PCM_HW_PARAM_LAST_MASK    SNDRV_PCM_HW_PARAM_SUBFORMAT
+
+#define SNDRV_PCM_HW_PARAM_SAMPLE_BITS  ((__force snd_pcm_hw_param_t) 8) /* Bits per sample */
+#define SNDRV_PCM_HW_PARAM_FRAME_BITS   ((__force snd_pcm_hw_param_t) 9) /* Bits per frame */
+#define SNDRV_PCM_HW_PARAM_CHANNELS     ((__force snd_pcm_hw_param_t) 10) /* Channels */
+#define SNDRV_PCM_HW_PARAM_RATE         ((__force snd_pcm_hw_param_t) 11) /* Approx rate */
+#define SNDRV_PCM_HW_PARAM_PERIOD_TIME  ((__force snd_pcm_hw_param_t) 12) /* Approx distance between interrupts in us */
+#define SNDRV_PCM_HW_PARAM_PERIOD_SIZE  ((__force snd_pcm_hw_param_t) 13) /* Approx frames between interrupts */
+#define SNDRV_PCM_HW_PARAM_PERIOD_BYTES ((__force snd_pcm_hw_param_t) 14) /* Approx bytes between interrupts */
+#define SNDRV_PCM_HW_PARAM_PERIODS      ((__force snd_pcm_hw_param_t) 15) /* Approx interrupts per buffer */
+#define SNDRV_PCM_HW_PARAM_BUFFER_TIME  ((__force snd_pcm_hw_param_t) 16) /* Approx duration of buffer in us */
+#define SNDRV_PCM_HW_PARAM_BUFFER_SIZE  ((__force snd_pcm_hw_param_t) 17) /* Size of buffer in frames */
+#define SNDRV_PCM_HW_PARAM_BUFFER_BYTES ((__force snd_pcm_hw_param_t) 18) /* Size of buffer in bytes */
+#define SNDRV_PCM_HW_PARAM_TICK_TIME    ((__force snd_pcm_hw_param_t) 19) /* Approx tick duration in us */
+#define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL       SNDRV_PCM_HW_PARAM_SAMPLE_BITS
+#define SNDRV_PCM_HW_PARAM_LAST_INTERVAL        SNDRV_PCM_HW_PARAM_TICK_TIME
 
 #define SNDRV_PCM_HW_PARAMS_NORESAMPLE          (1<<0)  /* avoid rate resampling */
 
-struct sndrv_interval {
+struct snd_interval {
         unsigned int min, max;
         unsigned int openmin:1,
                      openmax:1,
@@ -335,137 +329,137 @@ struct sndrv_interval {
 
 #define SNDRV_MASK_MAX  256
 
-struct sndrv_mask {
+struct snd_mask {
         u_int32_t bits[(SNDRV_MASK_MAX+31)/32];
 };
 
-struct sndrv_pcm_hw_params {
+struct snd_pcm_hw_params {
         unsigned int flags;
-        struct sndrv_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - 
+        struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - 
                                SNDRV_PCM_HW_PARAM_FIRST_MASK + 1];
-        struct sndrv_mask mres[5];      /* reserved masks */
-        struct sndrv_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL -
+        struct snd_mask mres[5];        /* reserved masks */
+        struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL -
                                         SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1];
-        struct sndrv_interval ires[9];  /* reserved intervals */
+        struct snd_interval ires[9];    /* reserved intervals */
         unsigned int rmask;             /* W: requested masks */
         unsigned int cmask;             /* R: changed masks */
         unsigned int info;              /* R: Info flags for returned setup */
         unsigned int msbits;            /* R: used most significant bits */
         unsigned int rate_num;          /* R: rate numerator */
         unsigned int rate_den;          /* R: rate denominator */
-        sndrv_pcm_uframes_t fifo_size;  /* R: chip FIFO size in frames */
+        snd_pcm_uframes_t fifo_size;    /* R: chip FIFO size in frames */
         unsigned char reserved[64];     /* reserved for future */
 };
 
-enum sndrv_pcm_tstamp {
+enum {
         SNDRV_PCM_TSTAMP_NONE = 0,
         SNDRV_PCM_TSTAMP_MMAP,
         SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_MMAP,
 };
 
-struct sndrv_pcm_sw_params {
-        enum sndrv_pcm_tstamp tstamp_mode;      /* timestamp mode */
+struct snd_pcm_sw_params {
+        int tstamp_mode;                        /* timestamp mode */
         unsigned int period_step;
         unsigned int sleep_min;                 /* min ticks to sleep */
-        sndrv_pcm_uframes_t avail_min;          /* min avail frames for wakeup */
-        sndrv_pcm_uframes_t xfer_align;         /* xfer size need to be a multiple */
-        sndrv_pcm_uframes_t start_threshold;    /* min hw_avail frames for automatic start */
-        sndrv_pcm_uframes_t stop_threshold;     /* min avail frames for automatic stop */
-        sndrv_pcm_uframes_t silence_threshold;  /* min distance from noise for silence filling */
-        sndrv_pcm_uframes_t silence_size;       /* silence block size */
-        sndrv_pcm_uframes_t boundary;           /* pointers wrap point */
+        snd_pcm_uframes_t avail_min;            /* min avail frames for wakeup */
+        snd_pcm_uframes_t xfer_align;           /* xfer size need to be a multiple */
+        snd_pcm_uframes_t start_threshold;      /* min hw_avail frames for automatic start */
+        snd_pcm_uframes_t stop_threshold;       /* min avail frames for automatic stop */
+        snd_pcm_uframes_t silence_threshold;    /* min distance from noise for silence filling */
+        snd_pcm_uframes_t silence_size;         /* silence block size */
+        snd_pcm_uframes_t boundary;             /* pointers wrap point */
         unsigned char reserved[64];             /* reserved for future */
 };
 
-struct sndrv_pcm_channel_info {
+struct snd_pcm_channel_info {
         unsigned int channel;
         off_t offset;                   /* mmap offset */
         unsigned int first;             /* offset to first sample in bits */
         unsigned int step;              /* samples distance in bits */
 };
 
-struct sndrv_pcm_status {
-        enum sndrv_pcm_state state;     /* stream state */
+struct snd_pcm_status {
+        snd_pcm_state_t state;          /* stream state */
         struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */
         struct timespec tstamp;         /* reference timestamp */
-        sndrv_pcm_uframes_t appl_ptr;   /* appl ptr */
-        sndrv_pcm_uframes_t hw_ptr;     /* hw ptr */
-        sndrv_pcm_sframes_t delay;      /* current delay in frames */
-        sndrv_pcm_uframes_t avail;      /* number of frames available */
-        sndrv_pcm_uframes_t avail_max;  /* max frames available on hw since last status */
-        sndrv_pcm_uframes_t overrange;  /* count of ADC (capture) overrange detections from last status */
-        enum sndrv_pcm_state suspended_state; /* suspended stream state */
+        snd_pcm_uframes_t appl_ptr;     /* appl ptr */
+        snd_pcm_uframes_t hw_ptr;       /* hw ptr */
+        snd_pcm_sframes_t delay;        /* current delay in frames */
+        snd_pcm_uframes_t avail;        /* number of frames available */
+        snd_pcm_uframes_t avail_max;    /* max frames available on hw since last status */
+        snd_pcm_uframes_t overrange;    /* count of ADC (capture) overrange detections from last status */
+        snd_pcm_state_t suspended_state; /* suspended stream state */
         unsigned char reserved[60];     /* must be filled with zero */
 };
 
-struct sndrv_pcm_mmap_status {
-        enum sndrv_pcm_state state;     /* RO: state - SNDRV_PCM_STATE_XXXX */
+struct snd_pcm_mmap_status {
+        snd_pcm_state_t state;          /* RO: state - SNDRV_PCM_STATE_XXXX */
         int pad1;                       /* Needed for 64 bit alignment */
-        sndrv_pcm_uframes_t hw_ptr;     /* RO: hw ptr (0...boundary-1) */
+        snd_pcm_uframes_t hw_ptr;       /* RO: hw ptr (0...boundary-1) */
         struct timespec tstamp;         /* Timestamp */
-        enum sndrv_pcm_state suspended_state; /* RO: suspended stream state */
+        snd_pcm_state_t suspended_state; /* RO: suspended stream state */
 };
 
-struct sndrv_pcm_mmap_control {
-        sndrv_pcm_uframes_t appl_ptr;   /* RW: appl ptr (0...boundary-1) */
-        sndrv_pcm_uframes_t avail_min;  /* RW: min available frames for wakeup */
+struct snd_pcm_mmap_control {
+        snd_pcm_uframes_t appl_ptr;     /* RW: appl ptr (0...boundary-1) */
+        snd_pcm_uframes_t avail_min;    /* RW: min available frames for wakeup */
 };
 
 #define SNDRV_PCM_SYNC_PTR_HWSYNC       (1<<0)  /* execute hwsync */
 #define SNDRV_PCM_SYNC_PTR_APPL         (1<<1)  /* get appl_ptr from driver (r/w op) */
 #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN    (1<<2)  /* get avail_min from driver */
 
-struct sndrv_pcm_sync_ptr {
+struct snd_pcm_sync_ptr {
         unsigned int flags;
         union {
-                struct sndrv_pcm_mmap_status status;
+                struct snd_pcm_mmap_status status;
                 unsigned char reserved[64];
         } s;
         union {
-                struct sndrv_pcm_mmap_control control;
+                struct snd_pcm_mmap_control control;
                 unsigned char reserved[64];
         } c;
 };
 
-struct sndrv_xferi {
-        sndrv_pcm_sframes_t result;
+struct snd_xferi {
+        snd_pcm_sframes_t result;
         void __user *buf;
-        sndrv_pcm_uframes_t frames;
+        snd_pcm_uframes_t frames;
 };
 
-struct sndrv_xfern {
-        sndrv_pcm_sframes_t result;
+struct snd_xfern {
+        snd_pcm_sframes_t result;
         void __user * __user *bufs;
-        sndrv_pcm_uframes_t frames;
+        snd_pcm_uframes_t frames;
 };
 
 enum {
         SNDRV_PCM_IOCTL_PVERSION = _IOR('A', 0x00, int),
-        SNDRV_PCM_IOCTL_INFO = _IOR('A', 0x01, struct sndrv_pcm_info),
+        SNDRV_PCM_IOCTL_INFO = _IOR('A', 0x01, struct snd_pcm_info),
         SNDRV_PCM_IOCTL_TSTAMP = _IOW('A', 0x02, int),
-        SNDRV_PCM_IOCTL_HW_REFINE = _IOWR('A', 0x10, struct sndrv_pcm_hw_params),
-        SNDRV_PCM_IOCTL_HW_PARAMS = _IOWR('A', 0x11, struct sndrv_pcm_hw_params),
+        SNDRV_PCM_IOCTL_HW_REFINE = _IOWR('A', 0x10, struct snd_pcm_hw_params),
+        SNDRV_PCM_IOCTL_HW_PARAMS = _IOWR('A', 0x11, struct snd_pcm_hw_params),
         SNDRV_PCM_IOCTL_HW_FREE = _IO('A', 0x12),
-        SNDRV_PCM_IOCTL_SW_PARAMS = _IOWR('A', 0x13, struct sndrv_pcm_sw_params),
-        SNDRV_PCM_IOCTL_STATUS = _IOR('A', 0x20, struct sndrv_pcm_status),
-        SNDRV_PCM_IOCTL_DELAY = _IOR('A', 0x21, sndrv_pcm_sframes_t),
+        SNDRV_PCM_IOCTL_SW_PARAMS = _IOWR('A', 0x13, struct snd_pcm_sw_params),
+        SNDRV_PCM_IOCTL_STATUS = _IOR('A', 0x20, struct snd_pcm_status),
+        SNDRV_PCM_IOCTL_DELAY = _IOR('A', 0x21, snd_pcm_sframes_t),
         SNDRV_PCM_IOCTL_HWSYNC = _IO('A', 0x22),
-        SNDRV_PCM_IOCTL_SYNC_PTR = _IOWR('A', 0x23, struct sndrv_pcm_sync_ptr),
-        SNDRV_PCM_IOCTL_CHANNEL_INFO = _IOR('A', 0x32, struct sndrv_pcm_channel_info),
+        SNDRV_PCM_IOCTL_SYNC_PTR = _IOWR('A', 0x23, struct snd_pcm_sync_ptr),
+        SNDRV_PCM_IOCTL_CHANNEL_INFO = _IOR('A', 0x32, struct snd_pcm_channel_info),
         SNDRV_PCM_IOCTL_PREPARE = _IO('A', 0x40),
         SNDRV_PCM_IOCTL_RESET = _IO('A', 0x41),
         SNDRV_PCM_IOCTL_START = _IO('A', 0x42),
         SNDRV_PCM_IOCTL_DROP = _IO('A', 0x43),
         SNDRV_PCM_IOCTL_DRAIN = _IO('A', 0x44),
         SNDRV_PCM_IOCTL_PAUSE = _IOW('A', 0x45, int),
-        SNDRV_PCM_IOCTL_REWIND = _IOW('A', 0x46, sndrv_pcm_uframes_t),
+        SNDRV_PCM_IOCTL_REWIND = _IOW('A', 0x46, snd_pcm_uframes_t),
         SNDRV_PCM_IOCTL_RESUME = _IO('A', 0x47),
         SNDRV_PCM_IOCTL_XRUN = _IO('A', 0x48),
-        SNDRV_PCM_IOCTL_FORWARD = _IOW('A', 0x49, sndrv_pcm_uframes_t),
-        SNDRV_PCM_IOCTL_WRITEI_FRAMES = _IOW('A', 0x50, struct sndrv_xferi),
-        SNDRV_PCM_IOCTL_READI_FRAMES = _IOR('A', 0x51, struct sndrv_xferi),
-        SNDRV_PCM_IOCTL_WRITEN_FRAMES = _IOW('A', 0x52, struct sndrv_xfern),
-        SNDRV_PCM_IOCTL_READN_FRAMES = _IOR('A', 0x53, struct sndrv_xfern),
+        SNDRV_PCM_IOCTL_FORWARD = _IOW('A', 0x49, snd_pcm_uframes_t),
+        SNDRV_PCM_IOCTL_WRITEI_FRAMES = _IOW('A', 0x50, struct snd_xferi),
+        SNDRV_PCM_IOCTL_READI_FRAMES = _IOR('A', 0x51, struct snd_xferi),
+        SNDRV_PCM_IOCTL_WRITEN_FRAMES = _IOW('A', 0x52, struct snd_xfern),
+        SNDRV_PCM_IOCTL_READN_FRAMES = _IOR('A', 0x53, struct snd_xfern),
         SNDRV_PCM_IOCTL_LINK = _IOW('A', 0x60, int),
         SNDRV_PCM_IOCTL_UNLINK = _IO('A', 0x61),
 };
@@ -485,7 +479,7 @@ enum {
 
 #define SNDRV_RAWMIDI_VERSION           SNDRV_PROTOCOL_VERSION(2, 0, 0)
 
-enum sndrv_rawmidi_stream {
+enum {
         SNDRV_RAWMIDI_STREAM_OUTPUT = 0,
         SNDRV_RAWMIDI_STREAM_INPUT,
         SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT,
@@ -495,10 +489,10 @@ enum sndrv_rawmidi_stream {
 #define SNDRV_RAWMIDI_INFO_INPUT                0x00000002
 #define SNDRV_RAWMIDI_INFO_DUPLEX               0x00000004
 
-struct sndrv_rawmidi_info {
+struct snd_rawmidi_info {
         unsigned int device;            /* RO/WR (control): device number */
         unsigned int subdevice;         /* RO/WR (control): subdevice number */
-        enum sndrv_rawmidi_stream stream; /* WR: stream */
+        int stream;                     /* WR: stream */
         int card;                       /* R: card number */
         unsigned int flags;             /* SNDRV_RAWMIDI_INFO_XXXX */
         unsigned char id[64];           /* ID (user selectable) */
@@ -509,16 +503,16 @@ struct sndrv_rawmidi_info {
         unsigned char reserved[64];     /* reserved for future use */
 };
 
-struct sndrv_rawmidi_params {
-        enum sndrv_rawmidi_stream stream;
+struct snd_rawmidi_params {
+        int stream;
         size_t buffer_size;             /* queue size in bytes */
         size_t avail_min;               /* minimum avail bytes for wakeup */
         unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */
         unsigned char reserved[16];     /* reserved for future use */
 };
 
-struct sndrv_rawmidi_status {
-        enum sndrv_rawmidi_stream stream;
+struct snd_rawmidi_status {
+        int stream;
         struct timespec tstamp;         /* Timestamp */
         size_t avail;                   /* available bytes */
         size_t xruns;                   /* count of overruns since last status (in bytes) */
@@ -527,9 +521,9 @@ struct sndrv_rawmidi_status {
 
 enum {
         SNDRV_RAWMIDI_IOCTL_PVERSION = _IOR('W', 0x00, int),
-        SNDRV_RAWMIDI_IOCTL_INFO = _IOR('W', 0x01, struct sndrv_rawmidi_info),
-        SNDRV_RAWMIDI_IOCTL_PARAMS = _IOWR('W', 0x10, struct sndrv_rawmidi_params),
-        SNDRV_RAWMIDI_IOCTL_STATUS = _IOWR('W', 0x20, struct sndrv_rawmidi_status),
+        SNDRV_RAWMIDI_IOCTL_INFO = _IOR('W', 0x01, struct snd_rawmidi_info),
+        SNDRV_RAWMIDI_IOCTL_PARAMS = _IOWR('W', 0x10, struct snd_rawmidi_params),
+        SNDRV_RAWMIDI_IOCTL_STATUS = _IOWR('W', 0x20, struct snd_rawmidi_status),
         SNDRV_RAWMIDI_IOCTL_DROP = _IOW('W', 0x30, int),
         SNDRV_RAWMIDI_IOCTL_DRAIN = _IOW('W', 0x31, int),
 };
@@ -540,7 +534,7 @@ enum {
 
 #define SNDRV_TIMER_VERSION             SNDRV_PROTOCOL_VERSION(2, 0, 5)
 
-enum sndrv_timer_class {
+enum {
         SNDRV_TIMER_CLASS_NONE = -1,
         SNDRV_TIMER_CLASS_SLAVE = 0,
         SNDRV_TIMER_CLASS_GLOBAL,
@@ -550,7 +544,7 @@ enum sndrv_timer_class {
 };
 
 /* slave timer classes */
-enum sndrv_timer_slave_class {
+enum {
         SNDRV_TIMER_SCLASS_NONE = 0,
         SNDRV_TIMER_SCLASS_APPLICATION,
         SNDRV_TIMER_SCLASS_SEQUENCER,           /* alias */
@@ -566,16 +560,16 @@ enum sndrv_timer_slave_class {
 /* info flags */
 #define SNDRV_TIMER_FLG_SLAVE           (1<<0)  /* cannot be controlled */
 
-struct sndrv_timer_id {
-        enum sndrv_timer_class dev_class;       
-        enum sndrv_timer_slave_class dev_sclass;
+struct snd_timer_id {
+        int dev_class;  
+        int dev_sclass;
         int card;
         int device;
         int subdevice;
 };
 
-struct sndrv_timer_ginfo {
-        struct sndrv_timer_id tid;      /* requested timer ID */
+struct snd_timer_ginfo {
+        struct snd_timer_id tid;        /* requested timer ID */
         unsigned int flags;             /* timer flags - SNDRV_TIMER_FLG_* */
         int card;                       /* card number */
         unsigned char id[64];           /* timer identification */
@@ -588,27 +582,27 @@ struct sndrv_timer_ginfo {
         unsigned char reserved[32];
 };
 
-struct sndrv_timer_gparams {
-        struct sndrv_timer_id tid;      /* requested timer ID */
+struct snd_timer_gparams {
+        struct snd_timer_id tid;        /* requested timer ID */
         unsigned long period_num;       /* requested precise period duration (in seconds) - numerator */
         unsigned long period_den;       /* requested precise period duration (in seconds) - denominator */
         unsigned char reserved[32];
 };
 
-struct sndrv_timer_gstatus {
-        struct sndrv_timer_id tid;      /* requested timer ID */
+struct snd_timer_gstatus {
+        struct snd_timer_id tid;        /* requested timer ID */
         unsigned long resolution;       /* current period resolution in ns */
         unsigned long resolution_num;   /* precise current period resolution (in seconds) - numerator */
         unsigned long resolution_den;   /* precise current period resolution (in seconds) - denominator */
         unsigned char reserved[32];
 };
 
-struct sndrv_timer_select {
-        struct sndrv_timer_id id;       /* bind to timer ID */
+struct snd_timer_select {
+        struct snd_timer_id id; /* bind to timer ID */
         unsigned char reserved[32];     /* reserved */
 };
 
-struct sndrv_timer_info {
+struct snd_timer_info {
         unsigned int flags;             /* timer flags - SNDRV_TIMER_FLG_* */
         int card;                       /* card number */
         unsigned char id[64];           /* timer identificator */
@@ -622,7 +616,7 @@ struct sndrv_timer_info {
 #define SNDRV_TIMER_PSFLG_EXCLUSIVE     (1<<1)  /* exclusive use, precise start/stop/pause/continue */
 #define SNDRV_TIMER_PSFLG_EARLY_EVENT   (1<<2)  /* write early event to the poll queue */
 
-struct sndrv_timer_params {
+struct snd_timer_params {
         unsigned int flags;             /* flags - SNDRV_MIXER_PSFLG_* */
         unsigned int ticks;             /* requested resolution in ticks */
         unsigned int queue_size;        /* total size of queue (32-1024) */
@@ -631,7 +625,7 @@ struct sndrv_timer_params {
         unsigned char reserved[60];     /* reserved */
 };
 
-struct sndrv_timer_status {
+struct snd_timer_status {
         struct timespec tstamp;         /* Timestamp - last update */
         unsigned int resolution;        /* current period resolution in ns */
         unsigned int lost;              /* counter of master tick lost */
@@ -642,15 +636,15 @@ struct sndrv_timer_status {
 
 enum {
         SNDRV_TIMER_IOCTL_PVERSION = _IOR('T', 0x00, int),
-        SNDRV_TIMER_IOCTL_NEXT_DEVICE = _IOWR('T', 0x01, struct sndrv_timer_id),
+        SNDRV_TIMER_IOCTL_NEXT_DEVICE = _IOWR('T', 0x01, struct snd_timer_id),
         SNDRV_TIMER_IOCTL_TREAD = _IOW('T', 0x02, int),
-        SNDRV_TIMER_IOCTL_GINFO = _IOWR('T', 0x03, struct sndrv_timer_ginfo),
-        SNDRV_TIMER_IOCTL_GPARAMS = _IOW('T', 0x04, struct sndrv_timer_gparams),
-        SNDRV_TIMER_IOCTL_GSTATUS = _IOWR('T', 0x05, struct sndrv_timer_gstatus),
-        SNDRV_TIMER_IOCTL_SELECT = _IOW('T', 0x10, struct sndrv_timer_select),
-        SNDRV_TIMER_IOCTL_INFO = _IOR('T', 0x11, struct sndrv_timer_info),
-        SNDRV_TIMER_IOCTL_PARAMS = _IOW('T', 0x12, struct sndrv_timer_params),
-        SNDRV_TIMER_IOCTL_STATUS = _IOR('T', 0x14, struct sndrv_timer_status),
+        SNDRV_TIMER_IOCTL_GINFO = _IOWR('T', 0x03, struct snd_timer_ginfo),
+        SNDRV_TIMER_IOCTL_GPARAMS = _IOW('T', 0x04, struct snd_timer_gparams),
+        SNDRV_TIMER_IOCTL_GSTATUS = _IOWR('T', 0x05, struct snd_timer_gstatus),
+        SNDRV_TIMER_IOCTL_SELECT = _IOW('T', 0x10, struct snd_timer_select),
+        SNDRV_TIMER_IOCTL_INFO = _IOR('T', 0x11, struct snd_timer_info),
+        SNDRV_TIMER_IOCTL_PARAMS = _IOW('T', 0x12, struct snd_timer_params),
+        SNDRV_TIMER_IOCTL_STATUS = _IOR('T', 0x14, struct snd_timer_status),
         /* The following four ioctls are changed since 1.0.9 due to confliction */
         SNDRV_TIMER_IOCTL_START = _IO('T', 0xa0),
         SNDRV_TIMER_IOCTL_STOP = _IO('T', 0xa1),
@@ -658,12 +652,12 @@ enum {
         SNDRV_TIMER_IOCTL_PAUSE = _IO('T', 0xa3),
 };
 
-struct sndrv_timer_read {
+struct snd_timer_read {
         unsigned int resolution;
         unsigned int ticks;
 };
 
-enum sndrv_timer_event {
+enum {
         SNDRV_TIMER_EVENT_RESOLUTION = 0,       /* val = resolution in ns */
         SNDRV_TIMER_EVENT_TICK,                 /* val = ticks */
         SNDRV_TIMER_EVENT_START,                /* val = resolution in ns */
@@ -682,8 +676,8 @@ enum sndrv_timer_event {
         SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10,
 };
 
-struct sndrv_timer_tread {
-        enum sndrv_timer_event event;
+struct snd_timer_tread {
+        int event;
         struct timespec tstamp;
         unsigned int val;
 };
@@ -696,7 +690,7 @@ struct sndrv_timer_tread {
 
 #define SNDRV_CTL_VERSION               SNDRV_PROTOCOL_VERSION(2, 0, 3)
 
-struct sndrv_ctl_card_info {
+struct snd_ctl_card_info {
         int card;                       /* card number */
         int pad;                        /* reserved for future (was type) */
         unsigned char id[16];           /* ID of card (user selectable) */
@@ -709,27 +703,25 @@ struct sndrv_ctl_card_info {
         unsigned char reserved[48];     /* reserved for future */
 };
 
-enum sndrv_ctl_elem_type {
-        SNDRV_CTL_ELEM_TYPE_NONE = 0,           /* invalid */
-        SNDRV_CTL_ELEM_TYPE_BOOLEAN,            /* boolean type */
-        SNDRV_CTL_ELEM_TYPE_INTEGER,            /* integer type */
-        SNDRV_CTL_ELEM_TYPE_ENUMERATED,         /* enumerated type */
-        SNDRV_CTL_ELEM_TYPE_BYTES,              /* byte array */
-        SNDRV_CTL_ELEM_TYPE_IEC958,             /* IEC958 (S/PDIF) setup */
-        SNDRV_CTL_ELEM_TYPE_INTEGER64,          /* 64-bit integer type */
-        SNDRV_CTL_ELEM_TYPE_LAST = SNDRV_CTL_ELEM_TYPE_INTEGER64,
-};
-
-enum sndrv_ctl_elem_iface {
-        SNDRV_CTL_ELEM_IFACE_CARD = 0,          /* global control */
-        SNDRV_CTL_ELEM_IFACE_HWDEP,             /* hardware dependent device */
-        SNDRV_CTL_ELEM_IFACE_MIXER,             /* virtual mixer device */
-        SNDRV_CTL_ELEM_IFACE_PCM,               /* PCM device */
-        SNDRV_CTL_ELEM_IFACE_RAWMIDI,           /* RawMidi device */
-        SNDRV_CTL_ELEM_IFACE_TIMER,             /* timer device */
-        SNDRV_CTL_ELEM_IFACE_SEQUENCER,         /* sequencer client */
-        SNDRV_CTL_ELEM_IFACE_LAST = SNDRV_CTL_ELEM_IFACE_SEQUENCER,
-};
+typedef int __bitwise snd_ctl_elem_type_t;
+#define SNDRV_CTL_ELEM_TYPE_NONE        ((__force snd_ctl_elem_type_t) 0) /* invalid */
+#define SNDRV_CTL_ELEM_TYPE_BOOLEAN     ((__force snd_ctl_elem_type_t) 1) /* boolean type */
+#define SNDRV_CTL_ELEM_TYPE_INTEGER     ((__force snd_ctl_elem_type_t) 2) /* integer type */
+#define SNDRV_CTL_ELEM_TYPE_ENUMERATED  ((__force snd_ctl_elem_type_t) 3) /* enumerated type */
+#define SNDRV_CTL_ELEM_TYPE_BYTES       ((__force snd_ctl_elem_type_t) 4) /* byte array */
+#define SNDRV_CTL_ELEM_TYPE_IEC958      ((__force snd_ctl_elem_type_t) 5) /* IEC958 (S/PDIF) setup */
+#define SNDRV_CTL_ELEM_TYPE_INTEGER64   ((__force snd_ctl_elem_type_t) 6) /* 64-bit integer type */
+#define SNDRV_CTL_ELEM_TYPE_LAST        SNDRV_CTL_ELEM_TYPE_INTEGER64
+
+typedef int __bitwise snd_ctl_elem_iface_t;
+#define SNDRV_CTL_ELEM_IFACE_CARD       ((__force snd_ctl_elem_iface_t) 0) /* global control */
+#define SNDRV_CTL_ELEM_IFACE_HWDEP      ((__force snd_ctl_elem_iface_t) 1) /* hardware dependent device */
+#define SNDRV_CTL_ELEM_IFACE_MIXER      ((__force snd_ctl_elem_iface_t) 2) /* virtual mixer device */
+#define SNDRV_CTL_ELEM_IFACE_PCM        ((__force snd_ctl_elem_iface_t) 3) /* PCM device */
+#define SNDRV_CTL_ELEM_IFACE_RAWMIDI    ((__force snd_ctl_elem_iface_t) 4) /* RawMidi device */
+#define SNDRV_CTL_ELEM_IFACE_TIMER      ((__force snd_ctl_elem_iface_t) 5) /* timer device */
+#define SNDRV_CTL_ELEM_IFACE_SEQUENCER  ((__force snd_ctl_elem_iface_t) 6) /* sequencer client */
+#define SNDRV_CTL_ELEM_IFACE_LAST       SNDRV_CTL_ELEM_IFACE_SEQUENCER
 
 #define SNDRV_CTL_ELEM_ACCESS_READ              (1<<0)
 #define SNDRV_CTL_ELEM_ACCESS_WRITE             (1<<1)
@@ -751,27 +743,27 @@ enum sndrv_ctl_elem_iface {
 #define SNDRV_CTL_POWER_D3hot           (SNDRV_CTL_POWER_D3|0x0000)     /* Off, with power */
 #define SNDRV_CTL_POWER_D3cold          (SNDRV_CTL_POWER_D3|0x0001)     /* Off, without power */
 
-struct sndrv_ctl_elem_id {
+struct snd_ctl_elem_id {
         unsigned int numid;             /* numeric identifier, zero = invalid */
-        enum sndrv_ctl_elem_iface iface; /* interface identifier */
+        snd_ctl_elem_iface_t iface;     /* interface identifier */
         unsigned int device;            /* device/client number */
         unsigned int subdevice;         /* subdevice (substream) number */
         unsigned char name[44];         /* ASCII name of item */
         unsigned int index;             /* index of item */
 };
 
-struct sndrv_ctl_elem_list {
+struct snd_ctl_elem_list {
         unsigned int offset;            /* W: first element ID to get */
         unsigned int space;             /* W: count of element IDs to get */
         unsigned int used;              /* R: count of element IDs set */
         unsigned int count;             /* R: count of all elements */
-        struct sndrv_ctl_elem_id __user *pids; /* R: IDs */
+        struct snd_ctl_elem_id __user *pids; /* R: IDs */
         unsigned char reserved[50];
 };
 
-struct sndrv_ctl_elem_info {
-        struct sndrv_ctl_elem_id id;    /* W: element ID */
-        enum sndrv_ctl_elem_type type;  /* R: value type - SNDRV_CTL_ELEM_TYPE_* */
+struct snd_ctl_elem_info {
+        struct snd_ctl_elem_id id;      /* W: element ID */
+        snd_ctl_elem_type_t type;       /* R: value type - SNDRV_CTL_ELEM_TYPE_* */
         unsigned int access;            /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */
         unsigned int count;             /* count of values */
         pid_t owner;                    /* owner's PID of this control */
@@ -800,8 +792,8 @@ struct sndrv_ctl_elem_info {
         unsigned char reserved[64-4*sizeof(unsigned short)];
 };
 
-struct sndrv_ctl_elem_value {
-        struct sndrv_ctl_elem_id id;    /* W: element ID */
+struct snd_ctl_elem_value {
+        struct snd_ctl_elem_id id;      /* W: element ID */
         unsigned int indirect: 1;       /* W: use indirect pointer (xxx_ptr member) */
         union {
                 union {
@@ -820,7 +812,7 @@ struct sndrv_ctl_elem_value {
                         unsigned char data[512];
                         unsigned char *data_ptr;
                 } bytes;
-                struct sndrv_aes_iec958 iec958;
+                struct snd_aes_iec958 iec958;
         } value;                /* RO */
         struct timespec tstamp;
         unsigned char reserved[128-sizeof(struct timespec)];
@@ -828,24 +820,24 @@ struct sndrv_ctl_elem_value {
 
 enum {
         SNDRV_CTL_IOCTL_PVERSION = _IOR('U', 0x00, int),
-        SNDRV_CTL_IOCTL_CARD_INFO = _IOR('U', 0x01, struct sndrv_ctl_card_info),
-        SNDRV_CTL_IOCTL_ELEM_LIST = _IOWR('U', 0x10, struct sndrv_ctl_elem_list),
-        SNDRV_CTL_IOCTL_ELEM_INFO = _IOWR('U', 0x11, struct sndrv_ctl_elem_info),
-        SNDRV_CTL_IOCTL_ELEM_READ = _IOWR('U', 0x12, struct sndrv_ctl_elem_value),
-        SNDRV_CTL_IOCTL_ELEM_WRITE = _IOWR('U', 0x13, struct sndrv_ctl_elem_value),
-        SNDRV_CTL_IOCTL_ELEM_LOCK = _IOW('U', 0x14, struct sndrv_ctl_elem_id),
-        SNDRV_CTL_IOCTL_ELEM_UNLOCK = _IOW('U', 0x15, struct sndrv_ctl_elem_id),
+        SNDRV_CTL_IOCTL_CARD_INFO = _IOR('U', 0x01, struct snd_ctl_card_info),
+        SNDRV_CTL_IOCTL_ELEM_LIST = _IOWR('U', 0x10, struct snd_ctl_elem_list),
+        SNDRV_CTL_IOCTL_ELEM_INFO = _IOWR('U', 0x11, struct snd_ctl_elem_info),
+        SNDRV_CTL_IOCTL_ELEM_READ = _IOWR('U', 0x12, struct snd_ctl_elem_value),
+        SNDRV_CTL_IOCTL_ELEM_WRITE = _IOWR('U', 0x13, struct snd_ctl_elem_value),
+        SNDRV_CTL_IOCTL_ELEM_LOCK = _IOW('U', 0x14, struct snd_ctl_elem_id),
+        SNDRV_CTL_IOCTL_ELEM_UNLOCK = _IOW('U', 0x15, struct snd_ctl_elem_id),
         SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS = _IOWR('U', 0x16, int),
-        SNDRV_CTL_IOCTL_ELEM_ADD = _IOWR('U', 0x17, struct sndrv_ctl_elem_info),
-        SNDRV_CTL_IOCTL_ELEM_REPLACE = _IOWR('U', 0x18, struct sndrv_ctl_elem_info),
-        SNDRV_CTL_IOCTL_ELEM_REMOVE = _IOWR('U', 0x19, struct sndrv_ctl_elem_id),
+        SNDRV_CTL_IOCTL_ELEM_ADD = _IOWR('U', 0x17, struct snd_ctl_elem_info),
+        SNDRV_CTL_IOCTL_ELEM_REPLACE = _IOWR('U', 0x18, struct snd_ctl_elem_info),
+        SNDRV_CTL_IOCTL_ELEM_REMOVE = _IOWR('U', 0x19, struct snd_ctl_elem_id),
         SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE = _IOWR('U', 0x20, int),
-        SNDRV_CTL_IOCTL_HWDEP_INFO = _IOR('U', 0x21, struct sndrv_hwdep_info),
+        SNDRV_CTL_IOCTL_HWDEP_INFO = _IOR('U', 0x21, struct snd_hwdep_info),
         SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE = _IOR('U', 0x30, int),
-        SNDRV_CTL_IOCTL_PCM_INFO = _IOWR('U', 0x31, struct sndrv_pcm_info),
+        SNDRV_CTL_IOCTL_PCM_INFO = _IOWR('U', 0x31, struct snd_pcm_info),
         SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE = _IOW('U', 0x32, int),
         SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE = _IOWR('U', 0x40, int),
-        SNDRV_CTL_IOCTL_RAWMIDI_INFO = _IOWR('U', 0x41, struct sndrv_rawmidi_info),
+        SNDRV_CTL_IOCTL_RAWMIDI_INFO = _IOWR('U', 0x41, struct snd_rawmidi_info),
         SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE = _IOW('U', 0x42, int),
         SNDRV_CTL_IOCTL_POWER = _IOWR('U', 0xd0, int),
         SNDRV_CTL_IOCTL_POWER_STATE = _IOR('U', 0xd1, int),
@@ -865,12 +857,12 @@ enum sndrv_ctl_event_type {
 #define SNDRV_CTL_EVENT_MASK_ADD        (1<<2)  /* element was added */
 #define SNDRV_CTL_EVENT_MASK_REMOVE     (~0U)   /* element was removed */
 
-struct sndrv_ctl_event {
-        enum sndrv_ctl_event_type type; /* event type - SNDRV_CTL_EVENT_* */
+struct snd_ctl_event {
+        int type;       /* event type - SNDRV_CTL_EVENT_* */
         union {
                 struct {
                         unsigned int mask;
-                        struct sndrv_ctl_elem_id id;
+                        struct snd_ctl_elem_id id;
                 } elem;
                 unsigned char data8[60];
         } data;
@@ -898,14 +890,14 @@ struct sndrv_ctl_event {
  *
  */
 
-struct sndrv_xferv {
+struct snd_xferv {
         const struct iovec *vector;
         unsigned long count;
 };
 
 enum {
-        SNDRV_IOCTL_READV = _IOW('K', 0x00, struct sndrv_xferv),
-        SNDRV_IOCTL_WRITEV = _IOW('K', 0x01, struct sndrv_xferv),
+        SNDRV_IOCTL_READV = _IOW('K', 0x00, struct snd_xferv),
+        SNDRV_IOCTL_WRITEV = _IOW('K', 0x01, struct snd_xferv),
 };
 
 #endif /* __SOUND_ASOUND_H */
diff --git a/include/sound/core.h b/include/sound/core.h
index 2be65ad2fd83..f867433e65f8 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -28,13 +28,6 @@
 #include <linux/workqueue.h>            /* struct workqueue_struct */
 #include <linux/pm.h>                   /* pm_message_t */
 
-/* Typedef's */
-typedef struct sndrv_interval snd_interval_t;
-typedef enum sndrv_card_type snd_card_type;
-typedef struct sndrv_xferi snd_xferi_t;
-typedef struct sndrv_xfern snd_xfern_t;
-typedef struct sndrv_xferv snd_xferv_t;
-
 /* forward declarations */
 #ifdef CONFIG_PCI
 struct pci_dev;
@@ -47,76 +40,50 @@ struct sbus_dev;
 
 #define SNDRV_DEV_TYPE_RANGE_SIZE               0x1000
 
-typedef enum {
-        SNDRV_DEV_TOPLEVEL =            (0*SNDRV_DEV_TYPE_RANGE_SIZE),
-        SNDRV_DEV_CONTROL,
-        SNDRV_DEV_LOWLEVEL_PRE,
-        SNDRV_DEV_LOWLEVEL_NORMAL =     (1*SNDRV_DEV_TYPE_RANGE_SIZE),
-        SNDRV_DEV_PCM,
-        SNDRV_DEV_RAWMIDI,
-        SNDRV_DEV_TIMER,
-        SNDRV_DEV_SEQUENCER,
-        SNDRV_DEV_HWDEP,
-        SNDRV_DEV_INFO,
-        SNDRV_DEV_BUS,
-        SNDRV_DEV_CODEC,
-        SNDRV_DEV_LOWLEVEL =            (2*SNDRV_DEV_TYPE_RANGE_SIZE)
-} snd_device_type_t;
-
-typedef enum {
-        SNDRV_DEV_BUILD,
-        SNDRV_DEV_REGISTERED,
-        SNDRV_DEV_DISCONNECTED
-} snd_device_state_t;
-
-typedef enum {
-        SNDRV_DEV_CMD_PRE = 0,
-        SNDRV_DEV_CMD_NORMAL = 1,
-        SNDRV_DEV_CMD_POST = 2
-} snd_device_cmd_t;
-
-typedef struct _snd_card snd_card_t;
-typedef struct _snd_device snd_device_t;
-
-typedef int (snd_dev_free_t)(snd_device_t *device);
-typedef int (snd_dev_register_t)(snd_device_t *device);
-typedef int (snd_dev_disconnect_t)(snd_device_t *device);
-typedef int (snd_dev_unregister_t)(snd_device_t *device);
-
-typedef struct {
-        snd_dev_free_t *dev_free;
-        snd_dev_register_t *dev_register;
-        snd_dev_disconnect_t *dev_disconnect;
-        snd_dev_unregister_t *dev_unregister;
-} snd_device_ops_t;
-
-struct _snd_device {
+typedef int __bitwise snd_device_type_t;
+#define SNDRV_DEV_TOPLEVEL      ((__force snd_device_type_t) 0)
+#define SNDRV_DEV_CONTROL       ((__force snd_device_type_t) 1)
+#define SNDRV_DEV_LOWLEVEL_PRE  ((__force snd_device_type_t) 2)
+#define SNDRV_DEV_LOWLEVEL_NORMAL ((__force snd_device_type_t) 0x1000)
+#define SNDRV_DEV_PCM           ((__force snd_device_type_t) 0x1001)
+#define SNDRV_DEV_RAWMIDI       ((__force snd_device_type_t) 0x1002)
+#define SNDRV_DEV_TIMER         ((__force snd_device_type_t) 0x1003)
+#define SNDRV_DEV_SEQUENCER     ((__force snd_device_type_t) 0x1004)
+#define SNDRV_DEV_HWDEP         ((__force snd_device_type_t) 0x1005)
+#define SNDRV_DEV_INFO          ((__force snd_device_type_t) 0x1006)
+#define SNDRV_DEV_BUS           ((__force snd_device_type_t) 0x1007)
+#define SNDRV_DEV_CODEC         ((__force snd_device_type_t) 0x1008)
+#define SNDRV_DEV_LOWLEVEL      ((__force snd_device_type_t) 0x2000)
+
+typedef int __bitwise snd_device_state_t;
+#define SNDRV_DEV_BUILD         ((__force snd_device_state_t) 0)
+#define SNDRV_DEV_REGISTERED    ((__force snd_device_state_t) 1)
+#define SNDRV_DEV_DISCONNECTED  ((__force snd_device_state_t) 2)
+
+typedef int __bitwise snd_device_cmd_t;
+#define SNDRV_DEV_CMD_PRE       ((__force snd_device_cmd_t) 0)
+#define SNDRV_DEV_CMD_NORMAL    ((__force snd_device_cmd_t) 1)  
+#define SNDRV_DEV_CMD_POST      ((__force snd_device_cmd_t) 2)
+
+struct snd_device;
+
+struct snd_device_ops {
+        int (*dev_free)(struct snd_device *dev);
+        int (*dev_register)(struct snd_device *dev);
+        int (*dev_disconnect)(struct snd_device *dev);
+        int (*dev_unregister)(struct snd_device *dev);
+};
+
+struct snd_device {
         struct list_head list;          /* list of registered devices */
-        snd_card_t *card;               /* card which holds this device */
+        struct snd_card *card;          /* card which holds this device */
         snd_device_state_t state;       /* state of the device */
         snd_device_type_t type;         /* device type */
         void *device_data;              /* device structure */
-        snd_device_ops_t *ops;          /* operations */
+        struct snd_device_ops *ops;     /* operations */
 };
 
-#define snd_device(n) list_entry(n, snd_device_t, list)
-
-/* various typedefs */
-
-typedef struct snd_info_entry snd_info_entry_t;
-typedef struct _snd_pcm snd_pcm_t;
-typedef struct _snd_pcm_str snd_pcm_str_t;
-typedef struct _snd_pcm_substream snd_pcm_substream_t;
-typedef struct _snd_mixer snd_kmixer_t;
-typedef struct _snd_rawmidi snd_rawmidi_t;
-typedef struct _snd_ctl_file snd_ctl_file_t;
-typedef struct _snd_kcontrol snd_kcontrol_t;
-typedef struct _snd_timer snd_timer_t;
-typedef struct _snd_timer_instance snd_timer_instance_t;
-typedef struct _snd_hwdep snd_hwdep_t;
-#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
-typedef struct _snd_oss_mixer snd_mixer_oss_t;
-#endif
+#define snd_device(n) list_entry(n, struct snd_device, list)
 
 /* monitor files for graceful shutdown (hotplug) */
 
@@ -129,7 +96,7 @@ struct snd_shutdown_f_ops;	/* define it later in init.c */
 
 /* main structure for soundcard */
 
-struct _snd_card {
+struct snd_card {
         int number;                     /* number of soundcard (index to
                                                                 snd_cards) */
 
@@ -143,7 +110,7 @@ struct _snd_card {
         struct module *module;          /* top-level module */
 
         void *private_data;             /* private data for soundcard */
-        void (*private_free) (snd_card_t *card); /* callback for freeing of
+        void (*private_free) (struct snd_card *card); /* callback for freeing of
                                                                 private data */
         struct list_head devices;       /* devices */
 
@@ -155,8 +122,8 @@ struct _snd_card {
         struct list_head controls;      /* all controls for this card */
         struct list_head ctl_files;     /* active control files */
 
-        snd_info_entry_t *proc_root;    /* root for soundcard specific files */
-        snd_info_entry_t *proc_id;      /* the card id */
+        struct snd_info_entry *proc_root;       /* root for soundcard specific files */
+        struct snd_info_entry *proc_id; /* the card id */
         struct proc_dir_entry *proc_root_link;  /* number link to real id */
 
         struct snd_monitor_file *files; /* all files associated to this card */
@@ -172,8 +139,8 @@ struct _snd_card {
 #endif
 
 #ifdef CONFIG_PM
-        int (*pm_suspend)(snd_card_t *card, pm_message_t state);
-        int (*pm_resume)(snd_card_t *card);
+        int (*pm_suspend)(struct snd_card *card, pm_message_t state);
+        int (*pm_resume)(struct snd_card *card);
         void *pm_private_data;
         unsigned int power_state;       /* power state */
         struct semaphore power_lock;    /* power lock */
@@ -181,43 +148,43 @@ struct _snd_card {
 #endif
 
 #if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
-        snd_mixer_oss_t *mixer_oss;
+        struct snd_mixer_oss *mixer_oss;
         int mixer_oss_change_count;
 #endif
 };
 
 #ifdef CONFIG_PM
-static inline void snd_power_lock(snd_card_t *card)
+static inline void snd_power_lock(struct snd_card *card)
 {
         down(&card->power_lock);
 }
 
-static inline void snd_power_unlock(snd_card_t *card)
+static inline void snd_power_unlock(struct snd_card *card)
 {
         up(&card->power_lock);
 }
 
-static inline unsigned int snd_power_get_state(snd_card_t *card)
+static inline unsigned int snd_power_get_state(struct snd_card *card)
 {
         return card->power_state;
 }
 
-static inline void snd_power_change_state(snd_card_t *card, unsigned int state)
+static inline void snd_power_change_state(struct snd_card *card, unsigned int state)
 {
         card->power_state = state;
         wake_up(&card->power_sleep);
 }
 
 /* init.c */
-int snd_power_wait(snd_card_t *card, unsigned int power_state, struct file *file);
+int snd_power_wait(struct snd_card *card, unsigned int power_state, struct file *file);
 
-int snd_card_set_pm_callback(snd_card_t *card,
-                             int (*suspend)(snd_card_t *, pm_message_t),
-                             int (*resume)(snd_card_t *),
+int snd_card_set_pm_callback(struct snd_card *card,
+                             int (*suspend)(struct snd_card *, pm_message_t),
+                             int (*resume)(struct snd_card *),
                              void *private_data);
-int snd_card_set_generic_pm_callback(snd_card_t *card,
-                                     int (*suspend)(snd_card_t *, pm_message_t),
-                                     int (*resume)(snd_card_t *),
+int snd_card_set_generic_pm_callback(struct snd_card *card,
+                                     int (*suspend)(struct snd_card *, pm_message_t),
+                                     int (*resume)(struct snd_card *),
                                      void *private_data);
 #define snd_card_set_isa_pm_callback(card,suspend,resume,data) \
         snd_card_set_generic_pm_callback(card, suspend, resume, data)
@@ -231,7 +198,7 @@ int snd_card_pci_resume(struct pci_dev *dev);
 
 #define snd_power_lock(card)            do { (void)(card); } while (0)
 #define snd_power_unlock(card)          do { (void)(card); } while (0)
-static inline int snd_power_wait(snd_card_t *card, unsigned int state, struct file *file) { return 0; }
+static inline int snd_power_wait(struct snd_card *card, unsigned int state, struct file *file) { return 0; }
 #define snd_power_get_state(card)       SNDRV_CTL_POWER_D0
 #define snd_power_change_state(card, state)     do { (void)(card); } while (0)
 #define snd_card_set_pm_callback(card,suspend,resume,data)
@@ -241,7 +208,7 @@ static inline int snd_power_wait(snd_card_t *card, unsigned int state, struct fi
 
 #endif /* CONFIG_PM */
 
-struct _snd_minor {
+struct snd_minor {
         struct list_head list;          /* list of all minors per card */
         int number;                     /* minor number */
         int device;                     /* device number */
@@ -251,8 +218,6 @@ struct _snd_minor {
                                                                 structure) */
 };
 
-typedef struct _snd_minor snd_minor_t;
-
 /* sound.c */
 
 extern int snd_major;
@@ -260,12 +225,12 @@ extern int snd_ecards_limit;
 
 void snd_request_card(int card);
 
-int snd_register_device(int type, snd_card_t *card, int dev, snd_minor_t *reg, const char *name);
-int snd_unregister_device(int type, snd_card_t *card, int dev);
+int snd_register_device(int type, struct snd_card *card, int dev, struct snd_minor *reg, const char *name);
+int snd_unregister_device(int type, struct snd_card *card, int dev);
 
 #ifdef CONFIG_SND_OSSEMUL
-int snd_register_oss_device(int type, snd_card_t *card, int dev, snd_minor_t *reg, const char *name);
-int snd_unregister_oss_device(int type, snd_card_t *card, int dev);
+int snd_register_oss_device(int type, struct snd_card *card, int dev, struct snd_minor *reg, const char *name);
+int snd_unregister_oss_device(int type, struct snd_card *card, int dev);
 #endif
 
 int snd_minor_info_init(void);
@@ -291,43 +256,43 @@ int copy_from_user_toio(volatile void __iomem *dst, const void __user *src, size
 /* init.c */
 
 extern unsigned int snd_cards_lock;
-extern snd_card_t *snd_cards[SNDRV_CARDS];
+extern struct snd_card *snd_cards[SNDRV_CARDS];
 extern rwlock_t snd_card_rwlock;
 #if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
 #define SND_MIXER_OSS_NOTIFY_REGISTER   0
 #define SND_MIXER_OSS_NOTIFY_DISCONNECT 1
 #define SND_MIXER_OSS_NOTIFY_FREE       2
-extern int (*snd_mixer_oss_notify_callback)(snd_card_t *card, int cmd);
+extern int (*snd_mixer_oss_notify_callback)(struct snd_card *card, int cmd);
 #endif
 
-snd_card_t *snd_card_new(int idx, const char *id,
+struct snd_card *snd_card_new(int idx, const char *id,
                          struct module *module, int extra_size);
-int snd_card_disconnect(snd_card_t *card);
-int snd_card_free(snd_card_t *card);
-int snd_card_free_in_thread(snd_card_t *card);
-int snd_card_register(snd_card_t *card);
+int snd_card_disconnect(struct snd_card *card);
+int snd_card_free(struct snd_card *card);
+int snd_card_free_in_thread(struct snd_card *card);
+int snd_card_register(struct snd_card *card);
 int snd_card_info_init(void);
 int snd_card_info_done(void);
-int snd_component_add(snd_card_t *card, const char *component);
-int snd_card_file_add(snd_card_t *card, struct file *file);
-int snd_card_file_remove(snd_card_t *card, struct file *file);
+int snd_component_add(struct snd_card *card, const char *component);
+int snd_card_file_add(struct snd_card *card, struct file *file);
+int snd_card_file_remove(struct snd_card *card, struct file *file);
 
 #ifndef snd_card_set_dev
 #define snd_card_set_dev(card,devptr) ((card)->dev = (devptr))
 #endif
 /* register a generic device (for ISA, etc) */
-int snd_card_set_generic_dev(snd_card_t *card);
+int snd_card_set_generic_dev(struct snd_card *card);
 
 /* device.c */
 
-int snd_device_new(snd_card_t *card, snd_device_type_t type,
-                   void *device_data, snd_device_ops_t *ops);
-int snd_device_register(snd_card_t *card, void *device_data);
-int snd_device_register_all(snd_card_t *card);
-int snd_device_disconnect(snd_card_t *card, void *device_data);
-int snd_device_disconnect_all(snd_card_t *card);
-int snd_device_free(snd_card_t *card, void *device_data);
-int snd_device_free_all(snd_card_t *card, snd_device_cmd_t cmd);
+int snd_device_new(struct snd_card *card, snd_device_type_t type,
+                   void *device_data, struct snd_device_ops *ops);
+int snd_device_register(struct snd_card *card, void *device_data);
+int snd_device_register_all(struct snd_card *card);
+int snd_device_disconnect(struct snd_card *card, void *device_data);
+int snd_device_disconnect_all(struct snd_card *card);
+int snd_device_free(struct snd_card *card, void *device_data);
+int snd_device_free_all(struct snd_card *card, snd_device_cmd_t cmd);
 
 /* isadma.c */
 
@@ -443,4 +408,6 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...)
 #endif
 #endif
 
+#include "typedefs.h"
+
 #endif /* __SOUND_CORE_H */