diff --git a/include/sound/cs46xx.h b/include/sound/cs46xx.h
index b0c0e19..b33ca2a 100644
--- a/include/sound/cs46xx.h
+++ b/include/sound/cs46xx.h
@@ -1631,42 +1631,41 @@
 #define CS46XX_MIXER_SPDIF_INPUT_ELEMENT    1
 #define CS46XX_MIXER_SPDIF_OUTPUT_ELEMENT   2
 
-typedef struct _snd_cs46xx cs46xx_t;
 
-typedef struct _snd_cs46xx_pcm_t {
+struct snd_cs46xx_pcm {
 	struct snd_dma_buffer hw_buf;
   
 	unsigned int ctl;
 	unsigned int shift;	/* Shift count to trasform frames in bytes */
-	snd_pcm_indirect_t pcm_rec;
-	snd_pcm_substream_t *substream;
+	struct snd_pcm_indirect pcm_rec;
+	struct snd_pcm_substream *substream;
 
-	pcm_channel_descriptor_t * pcm_channel;
+	struct dsp_pcm_channel_descriptor * pcm_channel;
 
 	int pcm_channel_id;    /* Fron Rear, Center Lfe  ... */
-} cs46xx_pcm_t;
+};
 
-typedef struct {
+struct snd_cs46xx_region {
 	char name[24];
 	unsigned long base;
 	void __iomem *remap_addr;
 	unsigned long size;
 	struct resource *resource;
-} snd_cs46xx_region_t;
+};
 
-struct _snd_cs46xx {
+struct snd_cs46xx {
 	int irq;
 	unsigned long ba0_addr;
 	unsigned long ba1_addr;
 	union {
 		struct {
-			snd_cs46xx_region_t ba0;
-			snd_cs46xx_region_t data0;
-			snd_cs46xx_region_t data1;
-			snd_cs46xx_region_t pmem;
-			snd_cs46xx_region_t reg;
+			struct snd_cs46xx_region ba0;
+			struct snd_cs46xx_region data0;
+			struct snd_cs46xx_region data1;
+			struct snd_cs46xx_region pmem;
+			struct snd_cs46xx_region reg;
 		} name;
-		snd_cs46xx_region_t idx[5];
+		struct snd_cs46xx_region idx[5];
 	} region;
 
 	unsigned int mode;
@@ -1676,34 +1675,34 @@
 
 		unsigned int ctl;
 		unsigned int shift;	/* Shift count to trasform frames in bytes */
-		snd_pcm_indirect_t pcm_rec;
-		snd_pcm_substream_t *substream;
+		struct snd_pcm_indirect pcm_rec;
+		struct snd_pcm_substream *substream;
 	} capt;
 
 
 	int nr_ac97_codecs;
-	ac97_bus_t *ac97_bus;
-	ac97_t *ac97[MAX_NR_AC97];
+	struct snd_ac97_bus *ac97_bus;
+	struct snd_ac97 *ac97[MAX_NR_AC97];
 
 	struct pci_dev *pci;
-	snd_card_t *card;
-	snd_pcm_t *pcm;
+	struct snd_card *card;
+	struct snd_pcm *pcm;
 
-	snd_rawmidi_t *rmidi;
-	snd_rawmidi_substream_t *midi_input;
-	snd_rawmidi_substream_t *midi_output;
+	struct snd_rawmidi *rmidi;
+	struct snd_rawmidi_substream *midi_input;
+	struct snd_rawmidi_substream *midi_output;
 
 	spinlock_t reg_lock;
 	unsigned int midcr;
 	unsigned int uartm;
 
 	int amplifier;
-	void (*amplifier_ctrl)(cs46xx_t *, int);
-	void (*active_ctrl)(cs46xx_t *, int);
-  	void (*mixer_init)(cs46xx_t *);
+	void (*amplifier_ctrl)(struct snd_cs46xx *, int);
+	void (*active_ctrl)(struct snd_cs46xx *, int);
+  	void (*mixer_init)(struct snd_cs46xx *);
 
 	int acpi_port;
-	snd_kcontrol_t *eapd_switch; /* for amplifier hack */
+	struct snd_kcontrol *eapd_switch; /* for amplifier hack */
 	int accept_valid;	/* accept mmap valid (for OSS) */
 
 	struct gameport *gameport;
@@ -1714,29 +1713,29 @@
 #ifdef CONFIG_SND_CS46XX_NEW_DSP
 	struct semaphore spos_mutex;
 
-	dsp_spos_instance_t * dsp_spos_instance;
+	struct dsp_spos_instance * dsp_spos_instance;
 
-	snd_pcm_t *pcm_rear;
-	snd_pcm_t *pcm_center_lfe;
-	snd_pcm_t *pcm_iec958;
+	struct snd_pcm *pcm_rear;
+	struct snd_pcm *pcm_center_lfe;
+	struct snd_pcm *pcm_iec958;
 #else /* for compatibility */
-	cs46xx_pcm_t *playback_pcm;
+	struct snd_cs46xx_pcm *playback_pcm;
 	unsigned int play_ctl;
 #endif
 };
 
-int snd_cs46xx_create(snd_card_t *card,
+int snd_cs46xx_create(struct snd_card *card,
 		      struct pci_dev *pci,
 		      int external_amp, int thinkpad,
-		      cs46xx_t **rcodec);
+		      struct snd_cs46xx **rcodec);
 
-int snd_cs46xx_pcm(cs46xx_t *chip, int device, snd_pcm_t **rpcm);
-int snd_cs46xx_pcm_rear(cs46xx_t *chip, int device, snd_pcm_t **rpcm);
-int snd_cs46xx_pcm_iec958(cs46xx_t *chip, int device, snd_pcm_t **rpcm);
-int snd_cs46xx_pcm_center_lfe(cs46xx_t *chip, int device, snd_pcm_t **rpcm);
-int snd_cs46xx_mixer(cs46xx_t *chip, int spdif_device);
-int snd_cs46xx_midi(cs46xx_t *chip, int device, snd_rawmidi_t **rmidi);
-int snd_cs46xx_start_dsp(cs46xx_t *chip);
-int snd_cs46xx_gameport(cs46xx_t *chip);
+int snd_cs46xx_pcm(struct snd_cs46xx *chip, int device, struct snd_pcm **rpcm);
+int snd_cs46xx_pcm_rear(struct snd_cs46xx *chip, int device, struct snd_pcm **rpcm);
+int snd_cs46xx_pcm_iec958(struct snd_cs46xx *chip, int device, struct snd_pcm **rpcm);
+int snd_cs46xx_pcm_center_lfe(struct snd_cs46xx *chip, int device, struct snd_pcm **rpcm);
+int snd_cs46xx_mixer(struct snd_cs46xx *chip, int spdif_device);
+int snd_cs46xx_midi(struct snd_cs46xx *chip, int device, struct snd_rawmidi **rmidi);
+int snd_cs46xx_start_dsp(struct snd_cs46xx *chip);
+int snd_cs46xx_gameport(struct snd_cs46xx *chip);
 
 #endif /* __SOUND_CS46XX_H */
diff --git a/include/sound/cs46xx_dsp_scb_types.h b/include/sound/cs46xx_dsp_scb_types.h
index 3f990a3..9cb6c7d 100644
--- a/include/sound/cs46xx_dsp_scb_types.h
+++ b/include/sound/cs46xx_dsp_scb_types.h
@@ -41,7 +41,7 @@
 
 /* This structs are used internally by the SP */
 
-typedef struct _basic_dma_req_t {
+struct dsp_basic_dma_req {
 	/* DMA Requestor Word 0 (DCW)  fields:
 
 	   31 [30-28]27  [26:24] 23 22 21 20 [19:18] [17:16] 15 14 13  12  11 10 9 8 7 6  [5:0]
@@ -53,9 +53,9 @@
 	u32 dmw;                 /* DMA Mode Word */
 	u32 saw;                 /* Source Address Word */
 	u32 daw;                 /* Destination Address Word  */
-} basic_dma_req_t;
+};
 
-typedef struct _scatter_gather_ext_t {
+struct dsp_scatter_gather_ext {
 	u32 npaw;                /* Next-Page Address Word */
 
 	/* DMA Requestor Word 5 (NPCW)  fields:
@@ -69,9 +69,9 @@
 	u32 lbaw;                /* Loop-Begin Address Word */
 	u32 nplbaw;              /* Next-Page after Loop-Begin Address Word */
 	u32 sgaw;                /* Scatter/Gather Address Word */
-} scatter_gather_ext_t;
+};
 
-typedef struct _volume_control_t {
+struct dsp_volume_control {
 	___DSP_DUAL_16BIT_ALLOC(
 	   rightTarg,  /* Target volume for left & right channels */
 	   leftTarg
@@ -80,10 +80,10 @@
 	   rightVol,   /* Current left & right channel volumes */
 	   leftVol
 	)
-} volume_control_t;
+};
 
 /* Generic stream control block (SCB) structure definition */
-typedef struct _generic_scb_t {
+struct dsp_generic_scb {
 	/* For streaming I/O, the DSP should never alter any words in the DMA
 	   requestor or the scatter/gather extension.  Only ad hoc DMA request
 	   streams are free to alter the requestor (currently only occur in the
@@ -99,13 +99,13 @@
   
 	/* Initialized by the host, only modified by DMA 
 	   R/O for the DSP task */
-	basic_dma_req_t  basic_req;  /* Optional */
+	struct dsp_basic_dma_req  basic_req;  /* Optional */
 
 	/* Scatter/gather DMA requestor extension   (5 ints) 
 	   Initialized by the host, only modified by DMA
 	   DSP task never needs to even read these.
 	*/
-	scatter_gather_ext_t sg_ext;  /* Optional */
+	struct dsp_scatter_gather_ext sg_ext;  /* Optional */
 
 	/* Sublist pointer & next stream control block (SCB) link.
 	   Initialized & modified by the host R/O for the DSP task
@@ -179,11 +179,11 @@
      
 	   These two 32-bit words are redefined for wavetable & 3-D voices.    
 	*/
-	volume_control_t vol_ctrl_t;   /* Optional */
-} generic_scb_t;
+	struct dsp_volume_control vol_ctrl_t;   /* Optional */
+};
 
 
-typedef struct _spos_control_block_t {
+struct dsp_spos_control_block {
 	/* WARNING: Certain items in this structure are modified by the host
 	            Any dword that can be modified by the host, must not be
 		    modified by the SP as the host can only do atomic dword
@@ -273,10 +273,10 @@
 	u32 r32_save_for_spurious_int;
 	u32 r32_save_for_trap;
 	u32 r32_save_for_HFG;
-} spos_control_block_t;
+};
 
 /* SPB for MIX_TO_OSTREAM algorithm family */
-typedef struct _mix2_ostream_spb_t
+struct dsp_mix2_ostream_spb
 {
 	/* 16b.16b integer.frac approximation to the
 	   number of 3 sample triplets to output each
@@ -290,13 +290,13 @@
 	   output triplets since the start of group 
 	*/
 	u32 accumOutTriplets;  
-} mix2_ostream_spb_t;
+};
 
 /* SCB for Timing master algorithm */
-typedef struct _timing_master_scb_t {
+struct dsp_timing_master_scb {
 	/* First 12 dwords from generic_scb_t */
-	basic_dma_req_t  basic_req;  /* Optional */
-	scatter_gather_ext_t sg_ext;  /* Optional */
+	struct dsp_basic_dma_req  basic_req;  /* Optional */
+	struct dsp_scatter_gather_ext sg_ext;  /* Optional */
 	___DSP_DUAL_16BIT_ALLOC(
 	    next_scb,     /* REQUIRED */
 	    sub_list_ptr  /* REQUIRED */
@@ -358,13 +358,13 @@
 	   number of samples to output each frame.
 	   (approximation must be floor, to insure */
 	u32 nsamp_per_frm_q15;
-} timing_master_scb_t;
+};
 
 /* SCB for CODEC output algorithm */
-typedef struct _codec_output_scb_t {
+struct dsp_codec_output_scb {
 	/* First 13 dwords from generic_scb_t */
-	basic_dma_req_t  basic_req;  /* Optional */
-	scatter_gather_ext_t sg_ext;  /* Optional */
+	struct dsp_basic_dma_req  basic_req;  /* Optional */
+	struct dsp_scatter_gather_ext sg_ext;  /* Optional */
 	___DSP_DUAL_16BIT_ALLOC(
 	    next_scb,       /* REQUIRED */
 	    sub_list_ptr    /* REQUIRED */
@@ -422,13 +422,13 @@
 	    reserved,
 	    last_sub_ptr
 	)
-} codec_output_scb_t;
+};
 
 /* SCB for CODEC input algorithm */
-typedef struct _codec_input_scb_t {
+struct dsp_codec_input_scb {
 	/* First 13 dwords from generic_scb_t */
-	basic_dma_req_t  basic_req;  /* Optional */
-	scatter_gather_ext_t sg_ext;  /* Optional */
+	struct dsp_basic_dma_req  basic_req;  /* Optional */
+	struct dsp_scatter_gather_ext sg_ext;  /* Optional */
 	___DSP_DUAL_16BIT_ALLOC(
 	    next_scb,       /* REQUIRED */
 	    sub_list_ptr    /* REQUIRED */
@@ -479,13 +479,13 @@
 	)
 
 	u32  reserved2;
-} codec_input_scb_t;
+};
 
 
-typedef struct _pcm_serial_input_scb_t {
+struct dsp_pcm_serial_input_scb {
 	/* First 13 dwords from generic_scb_t */
-	basic_dma_req_t  basic_req;  /* Optional */
-	scatter_gather_ext_t sg_ext;  /* Optional */
+	struct dsp_basic_dma_req  basic_req;  /* Optional */
+	struct dsp_scatter_gather_ext sg_ext;  /* Optional */
 	___DSP_DUAL_16BIT_ALLOC(
 	    next_scb,       /* REQUIRED */
 	    sub_list_ptr    /* REQUIRED */
@@ -512,11 +512,11 @@
 	)
 
 	/* Initialized by the host (host updates target volumes) */
-	volume_control_t psi_vol_ctrl;   
+	struct dsp_volume_control psi_vol_ctrl;   
   
-} pcm_serial_input_scb_t;
+};
 
-typedef struct _src_task_scb_t {
+struct dsp_src_task_scb {
 	___DSP_DUAL_16BIT_ALLOC(
 	    frames_left_in_gof,
 	    gofs_left_in_sec
@@ -571,10 +571,10 @@
   
 	u32   phiIncr6int_26frac;
   
-	volume_control_t src_vol_ctrl;
-} src_task_scb_t;
+	struct dsp_volume_control src_vol_ctrl;
+};
 
-typedef struct _decimate_by_pow2_scb_t {
+struct dsp_decimate_by_pow2_scb {
 	/* decimationFactor = 2, 4, or 8 (larger factors waste too much memory
 	                                  when compared to cascading decimators)
 	*/
@@ -648,10 +648,10 @@
 
 	u32  dec2_reserved4;
 
-	volume_control_t dec2_vol_ctrl; /* Not used! */
-} decimate_by_pow2_scb_t;
+	struct dsp_volume_control dec2_vol_ctrl; /* Not used! */
+};
 
-typedef struct _vari_decimate_scb_t {
+struct dsp_vari_decimate_scb {
 	___DSP_DUAL_16BIT_ALLOC(
 	    vdec_frames_left_in_gof,
 	    vdec_gofs_left_in_sec
@@ -711,15 +711,15 @@
 
 	u32 vdec_phi_incr_6int_26frac;
 
-	volume_control_t vdec_vol_ctrl;
-} vari_decimate_scb_t;
+	struct dsp_volume_control vdec_vol_ctrl;
+};
 
 
 /* SCB for MIX_TO_OSTREAM algorithm family */
-typedef struct _mix2_ostream_scb_t {
+struct dsp_mix2_ostream_scb {
 	/* First 13 dwords from generic_scb_t */
-	basic_dma_req_t  basic_req;  /* Optional */
-	scatter_gather_ext_t sg_ext;  /* Optional */
+	struct dsp_basic_dma_req  basic_req;  /* Optional */
+	struct dsp_scatter_gather_ext sg_ext;  /* Optional */
 	___DSP_DUAL_16BIT_ALLOC(
 	    next_scb,       /* REQUIRED */
 	    sub_list_ptr    /* REQUIRED */
@@ -758,14 +758,14 @@
 	    const_FFFF,
 	    const_zero
 	)
-} mix2_ostream_scb_t;
+};
 
 
 /* SCB for S16_MIX algorithm */
-typedef struct _mix_only_scb_t {
+struct dsp_mix_only_scb {
 	/* First 13 dwords from generic_scb_t */
-	basic_dma_req_t  basic_req;  /* Optional */
-	scatter_gather_ext_t sg_ext;  /* Optional */
+	struct dsp_basic_dma_req  basic_req;  /* Optional */
+	struct dsp_scatter_gather_ext sg_ext;  /* Optional */
 	___DSP_DUAL_16BIT_ALLOC(
 	    next_scb,       /* REQUIRED */
 	    sub_list_ptr    /* REQUIRED */
@@ -780,11 +780,11 @@
 	u32 strm_buf_ptr;   /* REQUIRED */
 
 	u32 reserved;
-	volume_control_t vol_ctrl;
-} mix_only_scb_t;
+	struct dsp_volume_control vol_ctrl;
+};
 
 /* SCB for the async. CODEC input algorithm */
-typedef struct _async_codec_input_scb_t {		 
+struct dsp_async_codec_input_scb {
 	u32 io_free2;     
   
 	u32 io_current_total;
@@ -837,11 +837,11 @@
 	)
 
 	u32 i_free;
-} async_codec_input_scb_t;
+};
 
 
 /* SCB for the SP/DIF CODEC input and output */
-typedef struct _spdifiscb_t {
+struct dsp_spdifiscb {
 	___DSP_DUAL_16BIT_ALLOC(
 	    status_ptr,     
 	    status_start_ptr
@@ -895,12 +895,11 @@
 	)
 
 	u32  free1;
-} spdifiscb_t;
+};
 
 
 /* SCB for the SP/DIF CODEC input and output  */
-typedef struct _spdifoscb_t {		 
-
+struct dsp_spdifoscb {		 
 
 	u32 free2;     
 
@@ -941,11 +940,10 @@
 	)
 
 	u32  free1;                                         
-} spdifoscb_t;
+};
 
 
-
-typedef struct _asynch_fg_rx_scb_t {
+struct dsp_asynch_fg_rx_scb {
 	___DSP_DUAL_16BIT_ALLOC(
 	    bot_buf_mask,
 	    buf_Mask
@@ -993,11 +991,10 @@
 	    right_vol,
 	    left_vol
 	)
-} asynch_fg_rx_scb_t;
+};
 
 
-
-typedef struct _asynch_fg_tx_scb_t {
+struct dsp_asynch_fg_tx_scb {
 	___DSP_DUAL_16BIT_ALLOC(
 	    not_buf_mask,
 	    buf_mask
@@ -1052,13 +1049,13 @@
 	    unused_right_vol,
 	    unused_left_vol
 	)
-} asynch_fg_tx_scb_t;
+};
 
 
-typedef struct _output_snoop_scb_t {
+struct dsp_output_snoop_scb {
 	/* First 13 dwords from generic_scb_t */
-	basic_dma_req_t  basic_req;  /* Optional */
-	scatter_gather_ext_t sg_ext;  /* Optional */
+	struct dsp_basic_dma_req  basic_req;  /* Optional */
+	struct dsp_scatter_gather_ext sg_ext;  /* Optional */
 	___DSP_DUAL_16BIT_ALLOC(
 	    next_scb,       /* REQUIRED */
 	    sub_list_ptr    /* REQUIRED */
@@ -1083,9 +1080,9 @@
 	    reserved,
 	    input_scb
 	)
-} output_snoop_scb_t;
+};
 
-typedef struct _spio_write_scb_t {
+struct dsp_spio_write_scb {
 	___DSP_DUAL_16BIT_ALLOC(
 	    address1,
 	    address2
@@ -1122,9 +1119,9 @@
 	)
 
 	u32 unused3[5];
-} spio_write_scb_t;
+};
 
-typedef struct _magic_snoop_task_t {
+struct dsp_magic_snoop_task {
 	u32 i0;
 	u32 i1;
 
@@ -1155,11 +1152,11 @@
 
 	u32 i8;
 
-	volume_control_t vdec_vol_ctrl;
-} magic_snoop_task_t;
+	struct dsp_volume_control vdec_vol_ctrl;
+};
 
 
-typedef struct _filter_scb_t {
+struct dsp_filter_scb {
 	___DSP_DUAL_16BIT_ALLOC(
 	      a0_right,          /* 0x00 */
 	      a0_left
@@ -1212,5 +1209,5 @@
               b2_right,          /* 0x0F */
 	      b2_left
 	)
-} filter_scb_t;
+};
 #endif /* __DSP_SCB_TYPES_H__ */
diff --git a/include/sound/cs46xx_dsp_spos.h b/include/sound/cs46xx_dsp_spos.h
index 10014cb..da934de 100644
--- a/include/sound/cs46xx_dsp_spos.h
+++ b/include/sound/cs46xx_dsp_spos.h
@@ -65,133 +65,130 @@
 #define DSP_SPDIF_STATUS_HW_ENABLED           4
 #define DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED   8
 
-struct _dsp_module_desc_t;
-
-typedef struct _symbol_entry_t {
+struct dsp_symbol_entry {
 	u32 address;
 	char symbol_name[DSP_MAX_SYMBOL_NAME];
 	int symbol_type;
 
 	/* initialized by driver */
-	struct _dsp_module_desc_t * module;
+	struct dsp_module_desc * module;
 	int deleted;
-} symbol_entry_t;
+};
 
-typedef struct _symbol_desc_t {
+struct dsp_symbol_desc {
 	int nsymbols;
 
-	symbol_entry_t * symbols;
+	struct dsp_symbol_entry *symbols;
 
 	/* initialized by driver */
 	int highest_frag_index;
-} symbol_desc_t;
+};
 
-
-typedef struct _segment_desc_t {
+struct dsp_segment_desc {
 	int segment_type;
 	u32 offset;
 	u32 size;
 	u32 * data;
-} segment_desc_t;
+};
 
-typedef struct _dsp_module_desc_t {
+struct dsp_module_desc {
 	char * module_name;
-	symbol_desc_t symbol_table;
+	struct dsp_symbol_desc symbol_table;
 	int nsegments;
-	segment_desc_t * segments;
+	struct dsp_segment_desc * segments;
 
 	/* initialized by driver */
 	u32 overlay_begin_address;
 	u32 load_address;
 	int nfixups;
-} dsp_module_desc_t;
+};
 
-typedef struct _dsp_scb_descriptor_t {
+struct dsp_scb_descriptor {
 	char scb_name[DSP_MAX_SCB_NAME];
 	u32 address;
 	int index;
 
-	struct _dsp_scb_descriptor_t * sub_list_ptr;
-	struct _dsp_scb_descriptor_t * next_scb_ptr;
-	struct _dsp_scb_descriptor_t * parent_scb_ptr;
+	struct dsp_scb_descriptor * sub_list_ptr;
+	struct dsp_scb_descriptor * next_scb_ptr;
+	struct dsp_scb_descriptor * parent_scb_ptr;
 
-	symbol_entry_t * task_entry;
-	symbol_entry_t * scb_symbol;
+	struct dsp_symbol_entry * task_entry;
+	struct dsp_symbol_entry * scb_symbol;
 
-	snd_info_entry_t *proc_info;
+	struct snd_info_entry *proc_info;
 	int ref_count;
 	spinlock_t lock;
 
 	int deleted;
-} dsp_scb_descriptor_t;
+};
 
-typedef struct _dsp_task_descriptor_t {
+struct dsp_task_descriptor {
 	char task_name[DSP_MAX_TASK_NAME];
 	int size;
 	u32 address;
 	int index;
-} dsp_task_descriptor_t;
+};
 
-typedef struct _pcm_channel_descriptor_t {
+struct dsp_pcm_channel_descriptor {
 	int active;
 	int src_slot;
 	int pcm_slot;
 	u32 sample_rate;
 	u32 unlinked;
-	dsp_scb_descriptor_t * pcm_reader_scb;
-	dsp_scb_descriptor_t * src_scb;
-	dsp_scb_descriptor_t * mixer_scb;
+	struct dsp_scb_descriptor * pcm_reader_scb;
+	struct dsp_scb_descriptor * src_scb;
+	struct dsp_scb_descriptor * mixer_scb;
 
 	void * private_data;
-} pcm_channel_descriptor_t;
+};
 
-typedef struct _dsp_spos_instance_t {
-	symbol_desc_t symbol_table; /* currently availble loaded symbols in SP */
+struct dsp_spos_instance {
+	struct dsp_symbol_desc symbol_table; /* currently availble loaded symbols in SP */
 
 	int nmodules;
-	dsp_module_desc_t * modules; /* modules loaded into SP */
+	struct dsp_module_desc * modules; /* modules loaded into SP */
 
-	segment_desc_t code;
+	struct dsp_segment_desc code;
 
 	/* Main PCM playback mixer */
-	dsp_scb_descriptor_t * master_mix_scb;
+	struct dsp_scb_descriptor * master_mix_scb;
 	u16 dac_volume_right;
 	u16 dac_volume_left;
 
 	/* Rear/surround PCM playback mixer */
-	dsp_scb_descriptor_t * rear_mix_scb;
+	struct dsp_scb_descriptor * rear_mix_scb;
 
 	/* Center/LFE mixer */
-	dsp_scb_descriptor_t * center_lfe_mix_scb;
+	struct dsp_scb_descriptor * center_lfe_mix_scb;
 
 	int npcm_channels;
 	int nsrc_scb;
-	pcm_channel_descriptor_t pcm_channels[DSP_MAX_PCM_CHANNELS];
+	struct dsp_pcm_channel_descriptor pcm_channels[DSP_MAX_PCM_CHANNELS];
 	int src_scb_slots[DSP_MAX_SRC_NR];
 
 	/* cache this symbols */
-	symbol_entry_t * null_algorithm; /* used by PCMreaderSCB's */
-	symbol_entry_t * s16_up;         /* used by SRCtaskSCB's */
+	struct dsp_symbol_entry * null_algorithm; /* used by PCMreaderSCB's */
+	struct dsp_symbol_entry * s16_up;         /* used by SRCtaskSCB's */
 
 	/* proc fs */  
-	snd_card_t * snd_card;
-	snd_info_entry_t * proc_dsp_dir;
-	snd_info_entry_t * proc_sym_info_entry;
-	snd_info_entry_t * proc_modules_info_entry;
-	snd_info_entry_t * proc_parameter_dump_info_entry;
-	snd_info_entry_t * proc_sample_dump_info_entry;
+	struct snd_card *snd_card;
+	struct snd_info_entry * proc_dsp_dir;
+	struct snd_info_entry * proc_sym_info_entry;
+	struct snd_info_entry * proc_modules_info_entry;
+	struct snd_info_entry * proc_parameter_dump_info_entry;
+	struct snd_info_entry * proc_sample_dump_info_entry;
 
 	/* SCB's descriptors */
 	int nscb;
 	int scb_highest_frag_index;
-	dsp_scb_descriptor_t scbs[DSP_MAX_SCB_DESC];
-	snd_info_entry_t * proc_scb_info_entry;
-	dsp_scb_descriptor_t * the_null_scb;
+	struct dsp_scb_descriptor scbs[DSP_MAX_SCB_DESC];
+	struct snd_info_entry * proc_scb_info_entry;
+	struct dsp_scb_descriptor * the_null_scb;
 
 	/* Task's descriptors */
 	int ntask;
-	dsp_task_descriptor_t tasks[DSP_MAX_TASK_DESC];
-	snd_info_entry_t * proc_task_info_entry;
+	struct dsp_task_descriptor tasks[DSP_MAX_TASK_DESC];
+	struct snd_info_entry * proc_task_info_entry;
 
 	/* SPDIF status */
 	int spdif_status_out;
@@ -204,30 +201,30 @@
 	unsigned int spdif_csuv_stream;
 
 	/* SPDIF input sample rate converter */
-	dsp_scb_descriptor_t * spdif_in_src;
+	struct dsp_scb_descriptor * spdif_in_src;
 	/* SPDIF input asynch. receiver */
-	dsp_scb_descriptor_t * asynch_rx_scb;
+	struct dsp_scb_descriptor * asynch_rx_scb;
 
 	/* Capture record mixer SCB */
-	dsp_scb_descriptor_t * record_mixer_scb;
+	struct dsp_scb_descriptor * record_mixer_scb;
     
 	/* CODEC input SCB */
-	dsp_scb_descriptor_t * codec_in_scb;
+	struct dsp_scb_descriptor * codec_in_scb;
 
 	/* reference snooper */
-	dsp_scb_descriptor_t * ref_snoop_scb;
+	struct dsp_scb_descriptor * ref_snoop_scb;
 
 	/* SPDIF output  PCM reference  */
-	dsp_scb_descriptor_t * spdif_pcm_input_scb;
+	struct dsp_scb_descriptor * spdif_pcm_input_scb;
 
 	/* asynch TX task */
-	dsp_scb_descriptor_t * asynch_tx_scb;
+	struct dsp_scb_descriptor * asynch_tx_scb;
 
 	/* record sources */
-	dsp_scb_descriptor_t * pcm_input;
-	dsp_scb_descriptor_t * adc_input;
+	struct dsp_scb_descriptor * pcm_input;
+	struct dsp_scb_descriptor * adc_input;
 
 	int spdif_in_sample_rate;
-} dsp_spos_instance_t;
+};
 
 #endif /* __DSP_SPOS_H__ */
diff --git a/include/sound/cs46xx_dsp_task_types.h b/include/sound/cs46xx_dsp_task_types.h
index 5dd3bf6..b3076c4 100644
--- a/include/sound/cs46xx_dsp_task_types.h
+++ b/include/sound/cs46xx_dsp_task_types.h
@@ -71,7 +71,7 @@
                                                at the end of BG */
 
 /* Minimal context save area for Hyper Forground */
-typedef struct _hf_save_area_t {
+struct dsp_hf_save_area {
 	u32	r10_save;
 	u32	r54_save;
 	u32	r98_save;
@@ -96,11 +96,11 @@
 	      rsa2Save
 	)
 	/* saved as part of HFG context  */
-} hf_save_area_t;
+};
 
 
 /* Task link data structure */
-typedef struct _tree_link_t {
+struct dsp_tree_link {
 	___DSP_DUAL_16BIT_ALLOC(
 	/* Pointer to sibling task control block */
 	    next_scb,
@@ -114,10 +114,10 @@
 	/* Pointer to local data */
 	    this_spb
 	)
-} tree_link_t;
+};
 
 
-typedef struct _task_tree_data_t {
+struct dsp_task_tree_data {
 	___DSP_DUAL_16BIT_ALLOC(
 	/* Initial tock count; controls task tree execution rate */
 	    tock_count_limit,
@@ -155,11 +155,10 @@
 	    data_stack_base_ptr
 	)
 
-} task_tree_data_t;
+};
 
 
-
-typedef struct _interval_timer_data_t
+struct dsp_interval_timer_data
 {
 	/* These data items have the same relative locations to those */
 	___DSP_DUAL_16BIT_ALLOC(
@@ -172,12 +171,12 @@
 	     num_FG_ticks_this_interval,        
 	     num_intervals
 	)
-} interval_timer_data_t;    
+};
 
 
 /* This structure contains extra storage for the task tree
    Currently, this additional data is related only to a full context save */
-typedef struct _task_tree_context_block_t {
+struct dsp_task_tree_context_block {
 	/* Up to 10 values are saved onto the stack.  8 for the task tree, 1 for
 	   The access to the context switch (call or interrupt), and 1 spare that
 	   users should never use.  This last may be required by the system */
@@ -238,16 +237,16 @@
 	u32		saveaux2xaux3x;
 	u32		savershouthl;
 	u32		savershoutxmacmode;
-} task_tree_context_block_t;						  
+};
                 
 
-typedef struct _task_tree_control_block_t	{
-	hf_save_area_t		 	context;
-	tree_link_t			links;
-	task_tree_data_t		data;
-	task_tree_context_block_t	context_blk;
-	interval_timer_data_t		int_timer;
-} task_tree_control_block_t;
+struct dsp_task_tree_control_block {
+	struct dsp_hf_save_area			context;
+	struct dsp_tree_link			links;
+	struct dsp_task_tree_data		data;
+	struct dsp_task_tree_context_block	context_blk;
+	struct dsp_interval_timer_data		int_timer;
+};
 
 
 #endif /* __DSP_TASK_TYPES_H__ */