X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/a4c9ead4b64bd4de307f375c2ff313a7a07a06e0..f419961de4a8e818c602b0642492ce76dd5bf979:/lincan/src/ssv.c diff --git a/lincan/src/ssv.c b/lincan/src/ssv.c index 145d830..007a95e 100644 --- a/lincan/src/ssv.c +++ b/lincan/src/ssv.c @@ -1,9 +1,36 @@ -/* ssv.c - * Linux CAN-bus device driver. - * Written by Arnaud Westenberg email:arnaud@casema.net - * This software is released under the GPL-License. - * Version lincan-0.3 17 Jun 2004 - */ +/**************************************************************************/ +/* File: ssv.c - SSV board support */ +/* */ +/* 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 "../include/can.h" #include "../include/can_sysdep.h" @@ -12,9 +39,9 @@ #include "../include/i82527.h" int ssvcan_irq[2]={-1,-1}; -unsigned long ssvcan_base=0x0; +can_ioptr_t ssvcan_base=0x0; -static can_spinlock_t ssv_port_lock=SPIN_LOCK_UNLOCKED; +static CAN_DEFINE_SPINLOCK(ssv_port_lock); /* IO_RANGE is the io-memory range that gets reserved, please adjust according * your hardware. Example: #define IO_RANGE 0x100 for i82527 chips or @@ -133,13 +160,11 @@ int ssv_init_hw_data(struct candevice_t *candev) * argument supplied at module loading time. * The clock argument holds the chip clock value in Hz. */ -#define CHIP_TYPE "i82527" - int ssv_init_chip_data(struct candevice_t *candev, int chipnr) { - candev->chip[chipnr]->chip_type=CHIP_TYPE; + i82527_fill_chipspecops(candev->chip[chipnr]); candev->chip[chipnr]->chip_base_addr= - candev->io_addr+0x100*chipnr; + can_ioport2ioptr(candev->io_addr+0x100*chipnr); candev->chip[chipnr]->clock = 16000000; ssvcan_irq[chipnr]=candev->chip[chipnr]->chip_irq; @@ -161,7 +186,7 @@ int ssv_init_chip_data(struct candevice_t *candev, int chipnr) * base address. * Unless the hardware uses a segmented memory map, flags can be set zero. */ -int ssv_init_obj_data(struct chip_t *chip, int objnr) +int ssv_init_obj_data(struct canchip_t *chip, int objnr) { chip->msgobj[objnr]->obj_base_addr= @@ -185,7 +210,7 @@ int ssv_program_irq(struct candevice_t *candev) * on the CAN chip. You should only have to edit this function if your hardware * uses some specific write process. */ -void ssv_write_register(unsigned data, unsigned long address) +void ssv_write_register(unsigned data, can_ioptr_t address) { /* address is an absolute address */ @@ -195,16 +220,16 @@ void ssv_write_register(unsigned data, unsigned long address) /* write the relative address on the eight LSB bits and the data on the eight MSB bits in one time */ if((address-ssvcan_base)<0x100) - outw(address-ssvcan_base + (256 * data), ssvcan_base); + can_outw(address-ssvcan_base + (256 * data), ssvcan_base); else - outw(address-ssvcan_base-0x100 + (256 * data), ssvcan_base+0x02); + can_outw(address-ssvcan_base-0x100 + (256 * data), ssvcan_base+0x02); } /* The function template_read_register is used to read from hardware registers * on the CAN chip. You should only have to edit this function if your hardware * uses some specific read process. */ -unsigned ssv_read_register(unsigned long address) +unsigned ssv_read_register(can_ioptr_t address) { /* this is the same thing that the function write_register. We use the two register, we write the address where we @@ -217,15 +242,15 @@ unsigned ssv_read_register(unsigned long address) if((address-ssvcan_base)<0x100) { can_spin_lock_irqsave(&ssv_port_lock,flags); - outb(address-ssvcan_base, ssvcan_base); - ret=inb(ssvcan_base+1); + can_outb(address-ssvcan_base, ssvcan_base); + ret=can_inb(ssvcan_base+1); can_spin_unlock_irqrestore(&ssv_port_lock,flags); } else { can_spin_lock_irqsave(&ssv_port_lock,flags); - outb(address-ssvcan_base-0x100, ssvcan_base+0x02); - ret=inb(ssvcan_base+1+0x02); + can_outb(address-ssvcan_base-0x100, ssvcan_base+0x02); + ret=can_inb(ssvcan_base+1+0x02); can_spin_unlock_irqrestore(&ssv_port_lock,flags); }