#include <linux/rio.h>
#include <linux/rio_drv.h>
#include <linux/kfifo.h>

Data Structures
struct	rio_atmu_regs

struct	rio_dbell_ring

struct	rio_port_write_msg

struct	fsl_rio_dbell

struct	fsl_rio_pw

struct	rio_priv

Macros
#define	RIO_REGS_WIN(mport) (((struct rio_priv *)(mport->priv))->regs_win)

#define	RIO_MAINT_WIN_SIZE 0x400000

#define	RIO_LTLEDCSR 0x0608

#define	DOORBELL_ROWAR_EN 0x80000000

#define	DOORBELL_ROWAR_TFLOWLV 0x08000000 /* highest priority level */

#define	DOORBELL_ROWAR_PCI 0x02000000 /* PCI window */

#define	DOORBELL_ROWAR_NREAD 0x00040000 /* NREAD */

#define	DOORBELL_ROWAR_MAINTRD 0x00070000 /* maintenance read */

#define	DOORBELL_ROWAR_RES 0x00002000 /* wrtpy: reserverd */

#define	DOORBELL_ROWAR_MAINTWD 0x00007000

#define	DOORBELL_ROWAR_SIZE 0x0000000b /* window size is 4k */

#define	RIO_ATMU_REGS_PORT1_OFFSET 0x10c00

#define	RIO_ATMU_REGS_PORT2_OFFSET 0x10e00

#define	RIO_S_DBELL_REGS_OFFSET 0x13400

#define	RIO_S_PW_REGS_OFFSET 0x134e0

#define	RIO_ATMU_REGS_DBELL_OFFSET 0x10C40

#define	MAX_MSG_UNIT_NUM 2

#define	MAX_PORT_NUM 4

Functions
int	fsl_rio_setup_rmu (struct rio_mport mport, struct device_node node)

int	fsl_rio_port_write_init (struct fsl_rio_pw *pw)

int	fsl_rio_pw_enable (struct rio_mport *mport, int enable)

void	fsl_rio_port_error_handler (int offset)

int	fsl_rio_doorbell_init (struct fsl_rio_dbell *dbell)

int	fsl_rio_doorbell_send (struct rio_mport *mport, int index, u16 destid, u16 data)

int	fsl_add_outb_message (struct rio_mport mport, struct rio_dev rdev, int mbox, void *buffer, size_t len)

int	fsl_open_outb_mbox (struct rio_mport mport, void dev_id, int mbox, int entries)

void	fsl_close_outb_mbox (struct rio_mport *mport, int mbox)

int	fsl_open_inb_mbox (struct rio_mport mport, void dev_id, int mbox, int entries)

void	fsl_close_inb_mbox (struct rio_mport *mport, int mbox)

int	fsl_add_inb_buffer (struct rio_mport mport, int mbox, void buf)

void *	fsl_get_inb_message (struct rio_mport *mport, int mbox)

Variables
void __iomem *	rio_regs_win

void __iomem *	rmu_regs_win

resource_size_t	rio_law_start

struct fsl_rio_dbell *	dbell

struct fsl_rio_pw *	pw

Macro Definition Documentation

#define DOORBELL_ROWAR_EN 0x80000000

Definition at line 39 of file fsl_rio.h.

#define DOORBELL_ROWAR_MAINTRD 0x00070000 /* maintenance read */

Definition at line 43 of file fsl_rio.h.

#define DOORBELL_ROWAR_MAINTWD 0x00007000

Definition at line 45 of file fsl_rio.h.

#define DOORBELL_ROWAR_NREAD 0x00040000 /* NREAD */

Definition at line 42 of file fsl_rio.h.

#define DOORBELL_ROWAR_PCI 0x02000000 /* PCI window */

Definition at line 41 of file fsl_rio.h.

#define DOORBELL_ROWAR_RES 0x00002000 /* wrtpy: reserverd */

Definition at line 44 of file fsl_rio.h.

#define DOORBELL_ROWAR_SIZE 0x0000000b /* window size is 4k */

Definition at line 46 of file fsl_rio.h.

#define DOORBELL_ROWAR_TFLOWLV 0x08000000 /* highest priority level */

Definition at line 40 of file fsl_rio.h.

#define MAX_MSG_UNIT_NUM 2

Definition at line 54 of file fsl_rio.h.

#define MAX_PORT_NUM 4

Definition at line 55 of file fsl_rio.h.

#define RIO_ATMU_REGS_DBELL_OFFSET 0x10C40

Definition at line 52 of file fsl_rio.h.

#define RIO_ATMU_REGS_PORT1_OFFSET 0x10c00

Definition at line 48 of file fsl_rio.h.

#define RIO_ATMU_REGS_PORT2_OFFSET 0x10e00

Definition at line 49 of file fsl_rio.h.

#define RIO_LTLEDCSR 0x0608

Definition at line 37 of file fsl_rio.h.

#define RIO_MAINT_WIN_SIZE 0x400000

Definition at line 36 of file fsl_rio.h.

#define RIO_REGS_WIN ( mport ) (((struct rio_priv *)(mport->priv))->regs_win)

Definition at line 34 of file fsl_rio.h.

#define RIO_S_DBELL_REGS_OFFSET 0x13400

Definition at line 50 of file fsl_rio.h.

#define RIO_S_PW_REGS_OFFSET 0x134e0

Definition at line 51 of file fsl_rio.h.

Function Documentation

int fsl_add_inb_buffer	(	struct rio_mport *	mport,
		int	mbox,
		void *	buf
	)

fsl_add_inb_buffer - Add buffer to the MPC85xx inbound message queue : Master port implementing the inbound message unit : Inbound mailbox number : Buffer to add to inbound queue

Adds the buffer to the MPC85xx inbound message queue. Returns %0 on success or %-EINVAL on failure.

Definition at line 941 of file fsl_rmu.c.

int fsl_add_outb_message	(	struct rio_mport *	mport,
		struct rio_dev *	rdev,
		int	mbox,
		void *	buffer,
		size_t	len
	)

fsl_add_outb_message - Add message to the MPC85xx outbound message queue : Master port with outbound message queue : Target of outbound message : Outbound mailbox : Message to add to outbound queue : Length of message

Adds the message to the MPC85xx outbound message queue. Returns %0 on success or %-EINVAL on failure.

Definition at line 651 of file fsl_rmu.c.

void fsl_close_inb_mbox	(	struct rio_mport *	mport,
		int	mbox
	)

fsl_close_inb_mbox - Shut down MPC85xx inbound mailbox : Master port implementing the inbound message unit : Mailbox to close

Disables the inbound message unit, free all buffers, and frees the inbound message interrupt.

Definition at line 916 of file fsl_rmu.c.

void fsl_close_outb_mbox	(	struct rio_mport *	mport,
		int	mbox
	)

fsl_close_outb_mbox - Shut down MPC85xx outbound mailbox : Master port implementing the outbound message unit : Mailbox to close

Disables the outbound message unit, free all buffers, and frees the outbound message interrupt.

Definition at line 815 of file fsl_rmu.c.

void* fsl_get_inb_message	(	struct rio_mport *	mport,
		int	mbox
	)

fsl_get_inb_message - Fetch inbound message from the MPC85xx message unit : Master port implementing the inbound message unit : Inbound mailbox number

Gets the next available inbound message from the inbound message queue. A pointer to the message is returned on success or NULL on failure.

Definition at line 973 of file fsl_rmu.c.

int fsl_open_inb_mbox	(	struct rio_mport *	mport,
		void *	dev_id,
		int	mbox,
		int	entries
	)

fsl_open_inb_mbox - Initialize MPC85xx inbound mailbox : Master port implementing the inbound message unit : Device specific pointer to pass on event : Mailbox to open : Number of entries in the inbound mailbox ring

Initializes buffer ring, request the inbound message interrupt, and enables the inbound message unit. Returns %0 on success and %-EINVAL or %-ENOMEM on failure.

Definition at line 844 of file fsl_rmu.c.

int fsl_open_outb_mbox	(	struct rio_mport *	mport,
		void *	dev_id,
		int	mbox,
		int	entries
	)

fsl_open_outb_mbox - Initialize MPC85xx outbound mailbox : Master port implementing the outbound message unit : Device specific pointer to pass on event : Mailbox to open : Number of entries in the outbound mailbox ring

Initializes buffer ring, request the outbound message interrupt, and enables the outbound message unit. Returns %0 on success and %-EINVAL or %-ENOMEM on failure.

Definition at line 711 of file fsl_rmu.c.

int fsl_rio_doorbell_init ( struct fsl_rio_dbell * dbell )

fsl_rio_doorbell_init - MPC85xx doorbell interface init : Master port implementing the inbound doorbell unit

Initializes doorbell unit hardware and inbound DMA buffer ring. Called from fsl_rio_setup(). Returns %0 on success or %-ENOMEM on failure.

Definition at line 1019 of file fsl_rmu.c.

int fsl_rio_doorbell_send	(	struct rio_mport *	mport,
		int	index,
		u16	destid,
		u16	data
	)

fsl_rio_doorbell_send - Send a MPC85xx doorbell message : RapidIO master port info : ID of RapidIO interface : Destination ID of target device : 16-bit info field of RapidIO doorbell message

Sends a MPC85xx doorbell message. Returns %0 on success or %-EINVAL on failure.

Definition at line 621 of file fsl_rmu.c.

void fsl_rio_port_error_handler ( int offset )

Definition at line 267 of file fsl_rio.c.

int fsl_rio_port_write_init ( struct fsl_rio_pw * pw )

fsl_rio_port_write_init - MPC85xx port write interface init : Master port implementing the port write unit

Initializes port write unit hardware and DMA buffer ring. Called from fsl_rio_setup(). Returns %0 on success or %-ENOMEM on failure.

Definition at line 540 of file fsl_rmu.c.

int fsl_rio_pw_enable	(	struct rio_mport *	mport,
		int	enable
	)

fsl_rio_pw_enable - enable/disable port-write interface init : Master port implementing the port write unit : 1=enable; 0=disable port-write message handling

Definition at line 515 of file fsl_rmu.c.