c101.c File Reference

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/capability.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/moduleparam.h>
#include <linux/netdevice.h>
#include <linux/hdlc.h>
#include <linux/delay.h>
#include <asm/io.h>
#include "hd64570.h"
#include "hd64570.c"

Go to the source code of this file.

Data Structures
struct	card_s

Macros
#define	pr_fmt(fmt)   KBUILD_MODNAME ": " fmt
#define	DEBUG_RINGS
#define	C101_PAGE   0x1D00
#define	C101_DTR   0x1E00
#define	C101_SCA   0x1F00
#define	C101_WINDOW_SIZE   0x2000
#define	C101_MAPPED_RAM_SIZE   0x4000
#define	RAM_SIZE   (256 * 1024)
#define	TX_RING_BUFFERS   10
#define	RX_RING_BUFFERS
#define	CLOCK_BASE   9830400 /* 9.8304 MHz */
#define	PAGE0_ALWAYS_MAPPED
#define	sca_in(reg, card)   readb((card)->win0base + C101_SCA + (reg))
#define	sca_out(value, reg, card)   writeb(value, (card)->win0base + C101_SCA + (reg))
#define	sca_inw(reg, card)   readw((card)->win0base + C101_SCA + (reg))
#define	sca_outw(value, reg, card)
#define	port_to_card(port)   (port)
#define	log_node(port)   (0)
#define	phy_node(port)   (0)
#define	winsize(card)   (C101_WINDOW_SIZE)
#define	win0base(card)   ((card)->win0base)
#define	winbase(card)   ((card)->win0base + 0x2000)
#define	get_port(card, port)   (card)

Typedefs
typedef struct card_s	card_t
typedef card_t	port_t

Functions
	module_init (c101_init)
	module_exit (c101_cleanup)
	MODULE_AUTHOR ("Krzysztof Halasa <khc@pm.waw.pl>")
	MODULE_DESCRIPTION ("Moxa C101 serial port driver")
	MODULE_LICENSE ("GPL v2")
	module_param (hw, charp, 0444)
	MODULE_PARM_DESC (hw,"irq,ram:irq,...")

Macro Definition Documentation

#define C101_DTR   0x1E00

Definition at line 43 of file c101.c.

#define C101_MAPPED_RAM_SIZE   0x4000

Definition at line 46 of file c101.c.

#define C101_PAGE   0x1D00

Definition at line 42 of file c101.c.

#define C101_SCA   0x1F00

Definition at line 44 of file c101.c.

#define C101_WINDOW_SIZE   0x2000

Definition at line 45 of file c101.c.

#define CLOCK_BASE   9830400 /* 9.8304 MHz */

Definition at line 53 of file c101.c.

#define DEBUG_RINGS

Definition at line 40 of file c101.c.

#define get_port	(		card,
			port
	)		(card)

Definition at line 103 of file c101.c.

#define log_node

(

port

)

(0)

Definition at line 98 of file c101.c.

#define PAGE0_ALWAYS_MAPPED

Definition at line 54 of file c101.c.

#define phy_node

(

port

)

(0)

Definition at line 99 of file c101.c.

#define port_to_card

(

port

)

(port)

Definition at line 97 of file c101.c.

#define pr_fmt

(

fmt

)

KBUILD_MODNAME ": " fmt

Definition at line 17 of file c101.c.

#define RAM_SIZE   (256 * 1024)

Definition at line 48 of file c101.c.

#define RX_RING_BUFFERS

Value:

((RAM_SIZE - C101_WINDOW_SIZE) /        \
             (sizeof(pkt_desc) + HDLC_MAX_MRU) - TX_RING_BUFFERS)

Definition at line 50 of file c101.c.

#define sca_in	(		reg,
			card
	)		readb((card)->win0base + C101_SCA + (reg))

Definition at line 87 of file c101.c.

#define sca_inw	(		reg,
			card
	)		readw((card)->win0base + C101_SCA + (reg))

Definition at line 89 of file c101.c.

#define sca_out	(		value,
			reg,
			card
	)		writeb(value, (card)->win0base + C101_SCA + (reg))

Definition at line 88 of file c101.c.

#define sca_outw	(		value,
			reg,
			card
	)

Value:

do { \
    writeb(value & 0xFF, (card)->win0base + C101_SCA + (reg)); \
    writeb((value >> 8 ) & 0xFF, (card)->win0base + C101_SCA + (reg + 1));\
} while(0)

Definition at line 92 of file c101.c.

#define TX_RING_BUFFERS   10

Definition at line 49 of file c101.c.

#define win0base

(

card

)

((card)->win0base)

Definition at line 101 of file c101.c.

#define winbase

(

card

)

((card)->win0base + 0x2000)

Definition at line 102 of file c101.c.

#define winsize

(

card

)

(C101_WINDOW_SIZE)

Definition at line 100 of file c101.c.

Typedef Documentation

typedef struct card_s card_t

typedef card_t port_t

Definition at line 81 of file c101.c.

Function Documentation

MODULE_AUTHOR

(

"Krzysztof Halasa <khc@pm.waw.pl>"

)

MODULE_DESCRIPTION

(

"Moxa C101 serial port driver"

)

module_exit

(

c101_cleanup

)

module_init

(

c101_init

)

MODULE_LICENSE

(

"GPL v2"

)

module_param	(	hw	,
		charp	,
		0444
	)

MODULE_PARM_DESC	(	hw	,
		"	irq,
		ram:irq	,
		..."
	)