X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/d70622f27a4e224e2c94bdeef7728232d23fee2b..41a1b398bf97d389f4542666b8498f4c45121060:/lincan/include/main.h diff --git a/lincan/include/main.h b/lincan/include/main.h index c85288e..152af5c 100644 --- a/lincan/include/main.h +++ b/lincan/include/main.h @@ -1,11 +1,36 @@ -/* main.h - * Header file for the Linux CAN-bus driver. - * Written by Arnaud Westenberg email:arnaud@wanadoo.nl - * Rewritten for new CAN queues by Pavel Pisa - OCERA team member - * email:pisa@cmp.felk.cvut.cz - * This software is released under the GPL-License. - * Version lincan-0.3 17 Jun 2004 - */ +/**************************************************************************/ +/* File: main.h - the CAN driver basic data structures and functions */ +/* */ +/* LinCAN - (Not only) Linux CAN bus driver */ +/* Copyright (C) 2002-2009 DCE FEE CTU Prague */ +/* Copyright (C) 2002-2009 Pavel Pisa */ +/* Funded by OCERA and FRESCOR IST projects */ +/* Based on CAN driver code by Arnaud Westenberg */ +/* */ +/* LinCAN is free software; you can redistribute it and/or modify it */ +/* under terms of the GNU General Public License as published by the */ +/* Free Software Foundation; either version 2, or (at your option) any */ +/* later version. LinCAN is distributed in the hope that it will be */ +/* useful, but WITHOUT ANY WARRANTY; without even the implied warranty */ +/* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU */ +/* General Public License for more details. You should have received a */ +/* copy of the GNU General Public License along with LinCAN; see file */ +/* COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, */ +/* Cambridge, MA 02139, USA. */ +/* */ +/* To allow use of LinCAN in the compact embedded systems firmware */ +/* and RT-executives (RTEMS for example), main authors agree with next */ +/* special exception: */ +/* */ +/* Including LinCAN header files in a file, instantiating LinCAN generics */ +/* or templates, or linking other files with LinCAN objects to produce */ +/* an application image/executable, does not by itself cause the */ +/* resulting application image/executable to be covered by */ +/* the GNU General Public License. */ +/* This exception does not however invalidate any other reasons */ +/* why the executable file might be covered by the GNU Public License. */ +/* Publication of enhanced or derived LinCAN files is required although. */ +/**************************************************************************/ #include "./can.h" #include "./constants.h" @@ -13,13 +38,13 @@ #include "./can_queue.h" #ifdef CAN_DEBUG - #define DEBUGMSG(fmt,args...) can_printk(KERN_ERR "can.o (debug): " fmt,\ + #define DEBUGMSG(fmt,args...) can_printk(KERN_ERR "lincan (debug): " fmt,\ ##args) #else #define DEBUGMSG(fmt,args...) #endif -#define CANMSG(fmt,args...) can_printk(KERN_ERR "can.o: " fmt,##args) +#define CANMSG(fmt,args...) can_printk(KERN_ERR "lincan: " fmt,##args) extern can_spinlock_t canuser_manipulation_lock; @@ -75,7 +100,8 @@ struct candevice_t { int candev_idx; /* board index in canhardware_t.candevice[] */ unsigned long io_addr; /* IO/physical MEM address */ unsigned long res_addr; /* optional reset register port */ - unsigned long dev_base_addr; /* CPU translated IO/virtual MEM address */ + can_ioptr_t dev_base_addr; /* CPU translated IO/virtual MEM address */ + can_ioptr_t aux_base_addr; /* CPU translated IO/virtual MEM address */ unsigned int flags; int nr_all_chips; int nr_82527_chips; @@ -154,13 +180,13 @@ struct canchip_t { char *chip_type; int chip_idx; /* chip index in candevice_t.chip[] */ int chip_irq; - unsigned long chip_base_addr; + can_ioptr_t chip_base_addr; unsigned int flags; long clock; /* Chip clock in Hz */ long baudrate; - void (*write_register)(unsigned data,unsigned long address); - unsigned (*read_register)(unsigned long address); + void (*write_register)(unsigned data, can_ioptr_t address); + unsigned (*read_register)(can_ioptr_t address); void *chip_data; @@ -214,7 +240,7 @@ struct canchip_t { * that reuse same object for TX */ struct msgobj_t { - unsigned long obj_base_addr; + can_ioptr_t obj_base_addr; unsigned int minor; /* associated device minor number */ unsigned int object; /* object number in canchip_t +1 for debug printk */ unsigned long obj_flags; @@ -298,8 +324,8 @@ struct hwspecops_t { int (*init_chip_data)(struct candevice_t *candev, int chipnr); int (*init_obj_data)(struct canchip_t *chip, int objnr); int (*program_irq)(struct candevice_t *candev); - void (*write_register)(unsigned data,unsigned long address); - unsigned (*read_register)(unsigned long address); + void (*write_register)(unsigned data, can_ioptr_t address); + unsigned (*read_register)(can_ioptr_t address); }; /** @@ -379,9 +405,10 @@ extern int major; extern int minor[MAX_TOT_CHIPS]; extern int extended; extern int baudrate[MAX_TOT_CHIPS]; -extern char *hw[MAX_HW_CARDS]; extern int irq[MAX_IRQ]; +extern char *hw[MAX_HW_CARDS]; extern unsigned long io[MAX_HW_CARDS]; +extern long clockfreq[MAX_HW_CARDS]; extern int processlocal; extern struct canhardware_t *hardware_p; @@ -392,43 +419,43 @@ extern struct mem_addr *mem_head; #if defined(CONFIG_OC_LINCAN_PORTIO_ONLY) -extern inline void can_write_reg(const struct canchip_t *chip, unsigned char data, unsigned address) +extern inline void can_write_reg(const struct canchip_t *chip, unsigned char data, unsigned reg_offs) { - outb(data, chip->chip_base_addr+address); + can_outb(data, chip->chip_base_addr+reg_offs); } -extern inline unsigned can_read_reg(const struct canchip_t *chip, unsigned address) +extern inline unsigned can_read_reg(const struct canchip_t *chip, unsigned reg_offs) { - return inb(chip->chip_base_addr+address); + return can_inb(chip->chip_base_addr+reg_offs); } extern inline void canobj_write_reg(const struct canchip_t *chip, const struct msgobj_t *obj, - unsigned char data, unsigned address) + unsigned char data, unsigned reg_offs) { - outb(data, obj->obj_base_addr+address); + can_outb(data, obj->obj_base_addr+reg_offs); } extern inline unsigned canobj_read_reg(const struct canchip_t *chip, const struct msgobj_t *obj, - unsigned address) + unsigned reg_offs) { - return inb(obj->obj_base_addr+address); + return can_inb(obj->obj_base_addr+reg_offs); } #elif defined(CONFIG_OC_LINCAN_MEMIO_ONLY) -extern inline void can_write_reg(const struct canchip_t *chip, unsigned char data, unsigned address) +extern inline void can_write_reg(const struct canchip_t *chip, unsigned char data, unsigned reg_offs) { - writeb(data, chip->chip_base_addr+address); + can_writeb(data, chip->chip_base_addr+reg_offs); } -extern inline unsigned can_read_reg(const struct canchip_t *chip, unsigned address) +extern inline unsigned can_read_reg(const struct canchip_t *chip, unsigned reg_offs) { - return readb(chip->chip_base_addr+address); + return can_readb(chip->chip_base_addr+reg_offs); } extern inline void canobj_write_reg(const struct canchip_t *chip, const struct msgobj_t *obj, - unsigned char data, unsigned address) + unsigned char data, unsigned reg_offs) { - writeb(data, obj->obj_base_addr+address); + can_writeb(data, obj->obj_base_addr+reg_offs); } extern inline unsigned canobj_read_reg(const struct canchip_t *chip, const struct msgobj_t *obj, - unsigned address) + unsigned reg_offs) { - return readb(obj->obj_base_addr+address); + return can_readb(obj->obj_base_addr+reg_offs); } #else /*CONFIG_OC_LINCAN_DYNAMICIO*/ @@ -436,42 +463,42 @@ extern inline unsigned canobj_read_reg(const struct canchip_t *chip, const struc #define CONFIG_OC_LINCAN_DYNAMICIO #endif -/* Inline function to write to the hardware registers. The argument address is - * relative to the memory map of the chip and not the absolute memory address. +/* Inline function to write to the hardware registers. The argument reg_offs is + * relative to the memory map of the chip and not the absolute memory reg_offs. */ -extern inline void can_write_reg(const struct canchip_t *chip, unsigned char data, unsigned address) +extern inline void can_write_reg(const struct canchip_t *chip, unsigned char data, unsigned reg_offs) { - unsigned long address_to_write; - address_to_write = chip->chip_base_addr+address; + can_ioptr_t address_to_write; + address_to_write = chip->chip_base_addr+reg_offs; chip->write_register(data, address_to_write); } -extern inline unsigned can_read_reg(const struct canchip_t *chip, unsigned address) +extern inline unsigned can_read_reg(const struct canchip_t *chip, unsigned reg_offs) { - unsigned long address_to_read; - address_to_read = chip->chip_base_addr+address; + can_ioptr_t address_to_read; + address_to_read = chip->chip_base_addr+reg_offs; return chip->read_register(address_to_read); } extern inline void canobj_write_reg(const struct canchip_t *chip, const struct msgobj_t *obj, - unsigned char data, unsigned address) + unsigned char data, unsigned reg_offs) { - unsigned long address_to_write; - address_to_write = obj->obj_base_addr+address; + can_ioptr_t address_to_write; + address_to_write = obj->obj_base_addr+reg_offs; chip->write_register(data, address_to_write); } extern inline unsigned canobj_read_reg(const struct canchip_t *chip, const struct msgobj_t *obj, - unsigned address) + unsigned reg_offs) { - unsigned long address_to_read; - address_to_read = obj->obj_base_addr+address; + can_ioptr_t address_to_read; + address_to_read = obj->obj_base_addr+reg_offs; return chip->read_register(address_to_read); } #endif /*CONFIG_OC_LINCAN_DYNAMICIO*/ -int can_base_addr_fixup(struct candevice_t *candev, unsigned long new_base); +int can_base_addr_fixup(struct candevice_t *candev, can_ioptr_t new_base); int can_request_io_region(unsigned long start, unsigned long n, const char *name); void can_release_io_region(unsigned long start, unsigned long n); int can_request_mem_region(unsigned long start, unsigned long n, const char *name); @@ -511,5 +538,5 @@ void can_filltimestamp(canmsg_tstamp_t *ptimestamp) extern int can_rtl_priority; #endif /*CAN_WITH_RTL*/ -extern struct candevice_t* register_usbdev(const char *hwname,void *devdata,void (*chipdataregfnc)(struct canchip_t *chip,void *data)); -extern void cleanup_usbdev(struct candevice_t *dev); +extern struct candevice_t* register_hotplug_dev(const char *hwname,void *devdata,void (*chipdataregfnc)(struct canchip_t *chip,void *data)); +extern void cleanup_hotplug_dev(struct candevice_t *dev);