modules/usb/iop/common-R1_01/iop-usb.c File Reference

#include "compat.h"
#include <asm/arch/hwregs/intr_vect.h>
#include <asm/arch/hwregs/dma_defs.h>
#include <asm/arch/hwregs/iop/iop_reg_space.h>
#include <asm/arch/hwregs/iop/iop_mpu_macros.h>
#include <asm/arch/hwregs/iop/iop_mpu_defs.h>
#include <asm/arch/hwregs/iop/iop_spu_defs.h>
#include <asm/arch/hwregs/iop/iop_sw_cfg_defs.h>
#include <asm/arch/hwregs/iop/iop_sw_cpu_defs.h>
#include <asm/arch/hwregs/iop/iop_dmc_in_defs.h>
#include <asm/arch/hwregs/iop/iop_fifo_in_defs.h>
#include <asm/arch/hwregs/iop/iop_fifo_out_defs.h>
#include <asm/arch/hwregs/iop/iop_scrc_out_defs.h>
#include <asm/arch/hwregs/iop/iop_crc_par_defs.h>
#include <asm/arch/hwregs/iop/iop_sap_in_defs.h>
#include <asm/arch/hwregs/iop/iop_sap_out_defs.h>
#include <asm/arch/hwregs/iop/iop_timer_grp_defs.h>
#include "iop-usb.h"
#include "iop-usb-int.h"

Include dependency graph for iop-usb.c:

Go to the source code of this file.

Defines

#define D(x)

#define IOP_TIMEOUT   1000

#define MAX_INTERVAL_ISOC   1024

#define MAX_INTERVAL_INTR   256

#define NUM_TRANSFER_TYPE   4

#define NUM_PER_TRANSFER_TYPE   2

#define IOP_USB_GROUP_EOL   (IOP_USB_BULK + 1)

#define TOTAL_DESCR_SIZE

#define DUMMY_BUF_SIZE   1500

#define ALLOC_DESCR(num, type)   ((type *) alloc_static_descr((num) * sizeof(type)))

Functions

static __inline__ struct iop_usb_ed * ctxt_to_ed (dma_descr_context *ctxt)

static int alloc_dummy_buf (void)

static __inline__ int init_alloc_static_descr (void)

static __inline__ void * alloc_static_descr (size_t size)

static int alloc_static_descrs (void)

static void init_dma_periodic (enum iop_usb_transaction_type type)

static void init_dma_in (void)

static void init_dma (void)

static __inline__ void enable_group (enum iop_usb_transfer_type type)

static __inline__ void reset_ed_status (struct iop_usb_ed *ed)

static void reset_out_context (struct iop_usb_ed *ed, struct iop_usb_td *td)

static void wait_on_ctxt (struct iop_usb_ed *ed)

static void schedule_periodic (unsigned int type, dma_descr_context *ctxt)

void iop_usb_endpoint_init (struct iop_usb_ed *ed, enum iop_usb_transfer_type type, unsigned int daddr, unsigned int epnum, int is_in, enum iop_usb_speed speed, unsigned int maxsize, unsigned int interval, unsigned long maxtime)

void iop_usb_endpoint_add (struct iop_usb_ed *ed)

void iop_usb_endpoint_release (struct iop_usb_ed *ed)

void iop_usb_endpoint_release_wait (struct iop_usb_ed *ed)

void iop_usb_trans_init (struct iop_usb_td *td, enum iop_usb_transaction_type type, unsigned int maxsize, void *buffer, unsigned int buffer_length, int zeropacket)

static int insert_descr_out (struct iop_usb_ed *ed, struct iop_usb_td *td)

static void insert_descr_in (struct iop_usb_ed *ed, struct iop_usb_td *td)

static void remove_descr_out (struct iop_usb_ed *ed, struct iop_usb_td *first, struct iop_usb_td *last)

static void remove_descr_in (struct iop_usb_ed *ed, struct iop_usb_td *first, struct iop_usb_td *last)

int iop_usb_trans_enqueue (struct iop_usb_ed *ed, struct iop_usb_td *td)

void iop_usb_trans_dequeue_lock (struct iop_usb_ed *ed)

int iop_usb_trans_dequeue (struct iop_usb_ed *ed, struct iop_usb_td *td_first, struct iop_usb_td *td_last)

void iop_usb_trans_dequeue_unlock (struct iop_usb_ed *ed)

void iop_usb_stop_periodic (enum iop_usb_transfer_type type)

static void finish_data (struct iop_usb_ed *ed, void(*cb)(struct iop_usb_td *, int, int))

void iop_usb_trans_done_irq (void(*cb)(struct iop_usb_td *, int, int))

static __inline__ int wait_mpu_idle (void)

static __inline__ int wait_mpu_reg_data (void)

static int read_mpu_mem (u32 addr, u32 *data)

static int write_mpu_mem (u32 addr, u32 data)

static int mpu_halt (void)

static int mpu_start (void)

static int mpu_rh_port_request (unsigned int req, unsigned int port, unsigned int feat)

static int fe_irq_request (void)

static void port_gio_config (unsigned int port, int low_speed)

int __init_or_module iop_usb_init (unsigned int dma_map, unsigned int ports, int int_phy)

void iop_usb_exit (void)

void __init_or_module iop_usb_config (void)

int iop_usb_reset (void)

int iop_usb_start (int intr_mask)

int iop_usb_get_frame (void)

int iop_usb_port_stat (unsigned int port, u16 *wPortStatus, u16 *wPortChange)

int iop_usb_set_port_feat (unsigned int port, unsigned int feat)

int iop_usb_clr_port_feat (unsigned int port, unsigned int feat)

int iop_usb_active_irqs (void)

int iop_usb_spu_nr (void)

int iop_usb_dma_map (void)

Variables

static unsigned int port_power

static dma_descr_group * group_top

static dma_descr_group * group_head

struct {

   int   num

   dma_descr_group *   groups

} group_periodic [NUM_PER_TRANSFER_TYPE]

static unsigned long group_top_phys

static dma_descr_context * ctxt_head

static dma_descr_context * ctxt_eol

static dma_descr_context * ctxt_in_eol

static char * dummy_buf

static char * cur_static_descr

Define Documentation

#define ALLOC_DESCR	(	num,
		type		)	((type ) alloc_static_descr((num) sizeof(type)))

Definition at line 130 of file iop-usb.c.

Referenced by alloc_static_descrs().

#define D ( x )

Definition at line 35 of file iop-usb.c.

#define DUMMY_BUF_SIZE 1500

Definition at line 96 of file iop-usb.c.

Referenced by alloc_dummy_buf(), and iop_usb_trans_init().

#define IOP_TIMEOUT 1000

Definition at line 39 of file iop-usb.c.

Referenced by wait_mpu_idle(), and wait_mpu_reg_data().

#define IOP_USB_GROUP_EOL (IOP_USB_BULK + 1)

Definition at line 71 of file iop-usb.c.

Referenced by init_dma().

#define MAX_INTERVAL_INTR 256

Definition at line 62 of file iop-usb.c.

Referenced by alloc_static_descrs(), and iop_usb_endpoint_init().

#define MAX_INTERVAL_ISOC 1024

Definition at line 59 of file iop-usb.c.

Referenced by alloc_static_descrs(), and iop_usb_endpoint_init().

#define NUM_PER_TRANSFER_TYPE 2

Definition at line 68 of file iop-usb.c.

Referenced by alloc_static_descrs().

#define NUM_TRANSFER_TYPE 4

Definition at line 65 of file iop-usb.c.

Referenced by alloc_static_descrs(), init_dma(), and iop_usb_trans_done_irq().

#define TOTAL_DESCR_SIZE

Value:

( \
        (sizeof(dma_descr_context) * \
         (NUM_TRANSFER_TYPE + NUM_PER_TRANSFER_TYPE + 2)) + \
        (sizeof(dma_descr_group) * \
         (1 + NUM_TRANSFER_TYPE + 1 + MAX_INTERVAL_ISOC + MAX_INTERVAL_INTR)) \
        )

Definition at line 88 of file iop-usb.c.

Referenced by init_alloc_static_descr().

Function Documentation

static int alloc_dummy_buf ( void ) [static]

Definition at line 100 of file iop-usb.c.

References buf, dummy_buf, and DUMMY_BUF_SIZE.

Referenced by iop_usb_init().

static __inline__ void* alloc_static_descr ( size_t size ) [static]

Definition at line 123 of file iop-usb.c.

References cur_static_descr.

static int alloc_static_descrs ( void ) [static]

Definition at line 133 of file iop-usb.c.

References ALLOC_DESCR, ctxt_eol, ctxt_head, ctxt_in_eol, group_head, group_periodic, group_top, init_alloc_static_descr(), MAX_INTERVAL_INTR, MAX_INTERVAL_ISOC, NUM_PER_TRANSFER_TYPE, and NUM_TRANSFER_TYPE.

Referenced by iop_usb_init().

static __inline__ struct iop_usb_ed* ctxt_to_ed ( dma_descr_context * ctxt ) [static]

Definition at line 46 of file iop-usb.c.

Referenced by iop_usb_endpoint_add(), iop_usb_trans_done_irq(), and schedule_periodic().

static __inline__ void enable_group ( enum iop_usb_transfer_type type ) [static]

Definition at line 266 of file iop-usb.c.

References group_head.

Referenced by finish_data(), iop_usb_trans_dequeue_unlock(), and iop_usb_trans_enqueue().

static int fe_irq_request ( void ) [static]

Definition at line 1059 of file iop-usb.c.

References read_mpu_mem(), and wait_mpu_idle().

Referenced by iop_usb_trans_dequeue_unlock().

static void finish_data	(	struct iop_usb_ed *	ed,
		void()(struct iop_usb_td , int, int)	cb
	)			`[static]`

Definition at line 837 of file iop-usb.c.

References ctxt_in_eol, data, data_in, enable_group(), length, reset_ed_status(), and reset_out_context().

Referenced by iop_usb_trans_done_irq().

static __inline__ int init_alloc_static_descr ( void ) [static]

Definition at line 114 of file iop-usb.c.

References buf, cur_static_descr, and TOTAL_DESCR_SIZE.

Referenced by alloc_static_descrs().

static void init_dma ( void ) [static]

Definition at line 192 of file iop-usb.c.

References BUG, ctxt_eol, ctxt_head, group_head, group_periodic, group_top, group_top_phys, groups, init_dma_in(), init_dma_periodic(), IOP_USB_GROUP_EOL, memset(), NUM_TRANSFER_TYPE, and type.

Referenced by iop_usb_start().

static void init_dma_in ( void ) [static]

Definition at line 180 of file iop-usb.c.

References ctxt_in_eol, and memset().

Referenced by init_dma().

static void init_dma_periodic ( enum iop_usb_transaction_type type ) [static]

Definition at line 156 of file iop-usb.c.

References ctxt_eol, ctxt_head, group_head, group_periodic, groups, and memset().

Referenced by init_dma().

static void insert_descr_in	(	struct iop_usb_ed *	ed,
		struct iop_usb_td *	td
	)			`[static]`

Definition at line 611 of file iop-usb.c.

Referenced by iop_usb_trans_enqueue().

static int insert_descr_out	(	struct iop_usb_ed *	ed,
		struct iop_usb_td *	td
	)			`[static]`

Definition at line 571 of file iop-usb.c.

References reset_out_context().

Referenced by iop_usb_trans_enqueue().

int iop_usb_active_irqs ( void )

Definition at line 1926 of file iop-usb.c.

int iop_usb_clr_port_feat	(	unsigned int	port,
		unsigned int	feat
	)

Definition at line 1895 of file iop-usb.c.

References mpu_rh_port_request(), and port_power.

void __init_or_module iop_usb_config ( void )

Definition at line 1254 of file iop-usb.c.

References BUG, iop_usb_cfg, mask, and port_gio_config().

int iop_usb_dma_map ( void )

Definition at line 1950 of file iop-usb.c.

References read_mpu_mem().

void iop_usb_endpoint_add ( struct iop_usb_ed * ed )

Definition at line 440 of file iop-usb.c.

References ctxt_head, ctxt_to_ed(), D, group_head, schedule_periodic(), and type.

void iop_usb_endpoint_init	(	struct iop_usb_ed *	ed,
		enum iop_usb_transfer_type	type,
		unsigned int	daddr,
		unsigned int	epnum,
		int	is_in,
		enum iop_usb_speed	speed,
		unsigned int	maxsize,
		unsigned int	interval,
		unsigned long	maxtime
	)

Definition at line 377 of file iop-usb.c.

References BUG, ctxt_in_eol, MAX_INTERVAL_INTR, MAX_INTERVAL_ISOC, and memset().

void iop_usb_endpoint_release ( struct iop_usb_ed * ed )

Definition at line 468 of file iop-usb.c.

References ctxt_head, D, group_head, schedule_periodic(), and type.

void iop_usb_endpoint_release_wait ( struct iop_usb_ed * ed )

Definition at line 495 of file iop-usb.c.

References wait_on_ctxt().

void iop_usb_exit ( void )

Definition at line 1237 of file iop-usb.c.

int iop_usb_get_frame ( void )

Definition at line 1833 of file iop-usb.c.

References data, and read_mpu_mem().

int __init_or_module iop_usb_init	(	unsigned int	dma_map,
		unsigned int	ports,
		int	int_phy
	)

Definition at line 1177 of file iop-usb.c.

References alloc_dummy_buf(), alloc_static_descrs(), and iop_usb_cfg.

int iop_usb_port_stat	(	unsigned int	port,
		u16 *	wPortStatus,
		u16 *	wPortChange
	)

Definition at line 1842 of file iop-usb.c.

References data, port_power, and read_mpu_mem().

Referenced by iop_usb_set_port_feat().

int iop_usb_reset ( void )

Definition at line 1781 of file iop-usb.c.

References mpu_halt().

int iop_usb_set_port_feat	(	unsigned int	port,
		unsigned int	feat
	)

Definition at line 1862 of file iop-usb.c.

References iop_usb_port_stat(), mpu_rh_port_request(), port_gio_config(), and port_power.

int iop_usb_spu_nr ( void )

Definition at line 1935 of file iop-usb.c.

References iop_usb_cfg.

int iop_usb_start ( int intr_mask )

Definition at line 1797 of file iop-usb.c.

References init_dma(), iop_usb_cfg, mpu_start(), port_power, read_mpu_mem(), and write_mpu_mem().

void iop_usb_stop_periodic ( enum iop_usb_transfer_type type )

Definition at line 830 of file iop-usb.c.

References group_head.

int iop_usb_trans_dequeue	(	struct iop_usb_ed *	ed,
		struct iop_usb_td *	td_first,
		struct iop_usb_td *	td_last
	)

Definition at line 785 of file iop-usb.c.

References D, remove_descr_in(), and remove_descr_out().

void iop_usb_trans_dequeue_lock ( struct iop_usb_ed * ed )

Definition at line 775 of file iop-usb.c.

References wait_on_ctxt().

void iop_usb_trans_dequeue_unlock ( struct iop_usb_ed * ed )

Definition at line 805 of file iop-usb.c.

References enable_group(), and fe_irq_request().

void iop_usb_trans_done_irq ( void(*)(struct iop_usb_td *, int, int) cb )

Definition at line 928 of file iop-usb.c.

References ctxt_head, ctxt_to_ed(), finish_data(), NUM_TRANSFER_TYPE, and type.

int iop_usb_trans_enqueue	(	struct iop_usb_ed *	ed,
		struct iop_usb_td *	td
	)

Definition at line 753 of file iop-usb.c.

References D, enable_group(), insert_descr_in(), insert_descr_out(), and remove_descr_in().

void iop_usb_trans_init	(	struct iop_usb_td *	td,
		enum iop_usb_transaction_type	type,
		unsigned int	maxsize,
		void *	buffer,
		unsigned int	buffer_length,
		int	zeropacket
	)

Definition at line 505 of file iop-usb.c.

References buf, D, dummy_buf, DUMMY_BUF_SIZE, and memset().

static int mpu_halt ( void ) [static]

Definition at line 1002 of file iop-usb.c.

References wait_mpu_idle().

Referenced by iop_usb_reset().

static int mpu_rh_port_request	(	unsigned int	req,
		unsigned int	port,
		unsigned int	feat
	)			`[static]`

Definition at line 1037 of file iop-usb.c.

References data, read_mpu_mem(), wait_mpu_idle(), and wait_mpu_reg_data().

Referenced by iop_usb_clr_port_feat(), and iop_usb_set_port_feat().

static int mpu_start ( void ) [static]

Definition at line 1013 of file iop-usb.c.

References wait_mpu_idle().

Referenced by iop_usb_start().

static void port_gio_config	(	unsigned int	port,
		int	low_speed
	)			`[static]`

Definition at line 1073 of file iop-usb.c.

References BUG.

Referenced by iop_usb_config(), and iop_usb_set_port_feat().

static int read_mpu_mem	(	u32	addr,
		u32 *	data
	)			`[static]`

Definition at line 969 of file iop-usb.c.

References wait_mpu_idle().

Referenced by fe_irq_request(), iop_usb_dma_map(), iop_usb_get_frame(), iop_usb_port_stat(), iop_usb_start(), and mpu_rh_port_request().

static void remove_descr_in	(	struct iop_usb_ed *	ed,
		struct iop_usb_td *	first,
		struct iop_usb_td *	last
	)			`[static]`

Definition at line 693 of file iop-usb.c.

Referenced by iop_usb_trans_dequeue(), and iop_usb_trans_enqueue().

static void remove_descr_out	(	struct iop_usb_ed *	ed,
		struct iop_usb_td *	first,
		struct iop_usb_td *	last
	)			`[static]`

Definition at line 651 of file iop-usb.c.

References reset_out_context().

Referenced by iop_usb_trans_dequeue().

static __inline__ void reset_ed_status ( struct iop_usb_ed * ed ) [static]

Definition at line 274 of file iop-usb.c.

Referenced by finish_data().

static void reset_out_context	(	struct iop_usb_ed *	ed,
		struct iop_usb_td *	td
	)			`[static]`

Definition at line 282 of file iop-usb.c.

Referenced by finish_data(), insert_descr_out(), and remove_descr_out().

static void schedule_periodic	(	unsigned int	type,
		dma_descr_context *	ctxt
	)			`[static]`

Definition at line 331 of file iop-usb.c.

References ctxt_head, ctxt_to_ed(), group_periodic, groups, int, and num.

Referenced by iop_usb_endpoint_add(), and iop_usb_endpoint_release().

static __inline__ int wait_mpu_idle ( void ) [static]

Definition at line 945 of file iop-usb.c.

References IOP_TIMEOUT, and timeout.

Referenced by fe_irq_request(), mpu_halt(), mpu_rh_port_request(), mpu_start(), read_mpu_mem(), and write_mpu_mem().

static __inline__ int wait_mpu_reg_data ( void ) [static]

Definition at line 957 of file iop-usb.c.

References data, IOP_TIMEOUT, and timeout.

Referenced by mpu_rh_port_request().

static void wait_on_ctxt ( struct iop_usb_ed * ed ) [static]

Definition at line 300 of file iop-usb.c.

References group_head, group_periodic, groups, int, and type.

Referenced by iop_usb_endpoint_release_wait(), and iop_usb_trans_dequeue_lock().

static int write_mpu_mem	(	u32	addr,
		u32	data
	)			`[static]`

Definition at line 989 of file iop-usb.c.

References wait_mpu_idle().

Referenced by iop_usb_start().

Variable Documentation

dma_descr_context* ctxt_eol [static]

Definition at line 84 of file iop-usb.c.

Referenced by alloc_static_descrs(), init_dma(), and init_dma_periodic().

dma_descr_context* ctxt_head [static]

Definition at line 83 of file iop-usb.c.

Referenced by alloc_static_descrs(), init_dma(), init_dma_periodic(), iop_usb_endpoint_add(), iop_usb_endpoint_release(), iop_usb_trans_done_irq(), and schedule_periodic().

dma_descr_context* ctxt_in_eol [static]

Definition at line 85 of file iop-usb.c.

Referenced by alloc_static_descrs(), finish_data(), init_dma_in(), and iop_usb_endpoint_init().

char* cur_static_descr [static]

Definition at line 112 of file iop-usb.c.

Referenced by alloc_static_descr(), and init_alloc_static_descr().

char* dummy_buf [static]

Definition at line 97 of file iop-usb.c.

Referenced by alloc_dummy_buf(), and iop_usb_trans_init().

dma_descr_group* group_head [static]

Definition at line 75 of file iop-usb.c.

Referenced by alloc_static_descrs(), enable_group(), init_dma(), init_dma_periodic(), iop_usb_endpoint_add(), iop_usb_endpoint_release(), iop_usb_stop_periodic(), and wait_on_ctxt().

struct { ... } group_periodic[NUM_PER_TRANSFER_TYPE] [static]

Referenced by alloc_static_descrs(), init_dma(), init_dma_periodic(), schedule_periodic(), and wait_on_ctxt().

dma_descr_group* group_top [static]

Definition at line 74 of file iop-usb.c.

Referenced by alloc_static_descrs(), and init_dma().

unsigned long group_top_phys [static]

Definition at line 80 of file iop-usb.c.

Referenced by init_dma().

dma_descr_group* groups

Definition at line 78 of file iop-usb.c.

Referenced by create_elphel353_kdevelop(), createDefaultConfig(), encodeConfig(), init_dma(), init_dma_periodic(), mainJavascript(), schedule_periodic(), and wait_on_ctxt().

int num

Definition at line 77 of file iop-usb.c.

unsigned int port_power [static]

Definition at line 42 of file iop-usb.c.

Referenced by iop_usb_clr_port_feat(), iop_usb_port_stat(), iop_usb_set_port_feat(), and iop_usb_start().

Generated on Fri Nov 28 00:07:36 2008 for elphel by

1.5.1


Defines
#define	D(x)
#define	IOP_TIMEOUT 1000
#define	MAX_INTERVAL_ISOC 1024
#define	MAX_INTERVAL_INTR 256
#define	NUM_TRANSFER_TYPE 4
#define	NUM_PER_TRANSFER_TYPE 2
#define	IOP_USB_GROUP_EOL (IOP_USB_BULK + 1)
#define	TOTAL_DESCR_SIZE
#define	DUMMY_BUF_SIZE 1500
#define	ALLOC_DESCR(num, type) ((type ) alloc_static_descr((num) sizeof(type)))
Functions
static __inline__ struct iop_usb_ed *	ctxt_to_ed (dma_descr_context *ctxt)
static int	alloc_dummy_buf (void)
static __inline__ int	init_alloc_static_descr (void)
static __inline__ void *	alloc_static_descr (size_t size)
static int	alloc_static_descrs (void)
static void	init_dma_periodic (enum iop_usb_transaction_type type)
static void	init_dma_in (void)
static void	init_dma (void)
static __inline__ void	enable_group (enum iop_usb_transfer_type type)
static __inline__ void	reset_ed_status (struct iop_usb_ed *ed)
static void	reset_out_context (struct iop_usb_ed ed, struct iop_usb_td td)
static void	wait_on_ctxt (struct iop_usb_ed *ed)
static void	schedule_periodic (unsigned int type, dma_descr_context *ctxt)
void	iop_usb_endpoint_init (struct iop_usb_ed *ed, enum iop_usb_transfer_type type, unsigned int daddr, unsigned int epnum, int is_in, enum iop_usb_speed speed, unsigned int maxsize, unsigned int interval, unsigned long maxtime)
void	iop_usb_endpoint_add (struct iop_usb_ed *ed)
void	iop_usb_endpoint_release (struct iop_usb_ed *ed)
void	iop_usb_endpoint_release_wait (struct iop_usb_ed *ed)
void	iop_usb_trans_init (struct iop_usb_td td, enum iop_usb_transaction_type type, unsigned int maxsize, void buffer, unsigned int buffer_length, int zeropacket)
static int	insert_descr_out (struct iop_usb_ed ed, struct iop_usb_td td)
static void	insert_descr_in (struct iop_usb_ed ed, struct iop_usb_td td)
static void	remove_descr_out (struct iop_usb_ed ed, struct iop_usb_td first, struct iop_usb_td *last)
static void	remove_descr_in (struct iop_usb_ed ed, struct iop_usb_td first, struct iop_usb_td *last)
int	iop_usb_trans_enqueue (struct iop_usb_ed ed, struct iop_usb_td td)
void	iop_usb_trans_dequeue_lock (struct iop_usb_ed *ed)
int	iop_usb_trans_dequeue (struct iop_usb_ed ed, struct iop_usb_td td_first, struct iop_usb_td *td_last)
void	iop_usb_trans_dequeue_unlock (struct iop_usb_ed *ed)
void	iop_usb_stop_periodic (enum iop_usb_transfer_type type)
static void	finish_data (struct iop_usb_ed ed, void(cb)(struct iop_usb_td *, int, int))
void	iop_usb_trans_done_irq (void(cb)(struct iop_usb_td , int, int))
static __inline__ int	wait_mpu_idle (void)
static __inline__ int	wait_mpu_reg_data (void)
static int	read_mpu_mem (u32 addr, u32 *data)
static int	write_mpu_mem (u32 addr, u32 data)
static int	mpu_halt (void)
static int	mpu_start (void)
static int	mpu_rh_port_request (unsigned int req, unsigned int port, unsigned int feat)
static int	fe_irq_request (void)
static void	port_gio_config (unsigned int port, int low_speed)
int __init_or_module	iop_usb_init (unsigned int dma_map, unsigned int ports, int int_phy)
void	iop_usb_exit (void)
void __init_or_module	iop_usb_config (void)
int	iop_usb_reset (void)
int	iop_usb_start (int intr_mask)
int	iop_usb_get_frame (void)
int	iop_usb_port_stat (unsigned int port, u16 wPortStatus, u16 wPortChange)
int	iop_usb_set_port_feat (unsigned int port, unsigned int feat)
int	iop_usb_clr_port_feat (unsigned int port, unsigned int feat)
int	iop_usb_active_irqs (void)
int	iop_usb_spu_nr (void)
int	iop_usb_dma_map (void)
Variables
static unsigned int	port_power
static dma_descr_group *	group_top
static dma_descr_group *	group_head
struct {
int num
dma_descr_group * groups
}	group_periodic [NUM_PER_TRANSFER_TYPE]
static unsigned long	group_top_phys
static dma_descr_context *	ctxt_head
static dma_descr_context *	ctxt_eol
static dma_descr_context *	ctxt_in_eol
static char *	dummy_buf
static char *	cur_static_descr