X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/ac38874293eb5b28a54d8534f832a757a39c1230..a6d355f1cf48f39eecb2f1bdead51817d1fd5989:/lincan/src/bfadcan.c diff --git a/lincan/src/bfadcan.c b/lincan/src/bfadcan.c index 78c7660..5270bd1 100644 --- a/lincan/src/bfadcan.c +++ b/lincan/src/bfadcan.c @@ -5,7 +5,7 @@ * email:pisa@cmp.felk.cvut.cz * This software is released under the GPL-License. * Version lincan-0.3 17 Jun 2004 - */ + */ /* This file is intended as a bfadcan file for currently unsupported hardware. * Once you've changed/added the functions specific to your hardware it is @@ -24,11 +24,15 @@ #include long clock_freq; +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)) MODULE_PARM(clock_freq,"i"); +#else +module_param(clock_freq,int,0); +#endif /* cli and sti are not allowed in 2.5.5x SMP kernels */ #ifdef WINDOWED_ACCESS -static can_spinlock_t bfadcan_win_lock=SPIN_LOCK_UNLOCKED; +static CAN_DEFINE_SPINLOCK(bfadcan_win_lock); #endif /* @@ -53,7 +57,7 @@ void bfadcan_write_register(unsigned data, unsigned long address); * * The function bfadcan_request_io() is used to reserve the io-memory. If your * hardware uses a dedicated memory range as hardware control registers you - * will have to add the code to reserve this memory as well. + * will have to add the code to reserve this memory as well. * %IO_RANGE is the io-memory range that gets reserved, please adjust according * your hardware. Example: #define IO_RANGE 0x100 for i82527 chips or * #define IO_RANGE 0x20 for sja1000 chips in basic CAN mode. @@ -94,8 +98,8 @@ int bfadcan_release_io(struct candevice_t *candev) * bfadcan_reset - hardware reset routine * @candev: Pointer to candevice/board structure * - * The function bfadcan_reset() is used to give a hardware reset. This is - * rather hardware specific so I haven't included example code. Don't forget to + * The function bfadcan_reset() is used to give a hardware reset. This is + * rather hardware specific so I haven't included example code. Don't forget to * check the reset status of the chip before returning. * Return Value: The function returns zero on success or %-ENODEV on failure * File: src/bfadcan.c @@ -106,10 +110,10 @@ int bfadcan_reset(struct candevice_t *candev) int i; struct canchip_t *chip=candev->chip[0]; unsigned cdr; - + bfadcan_write_register(sjaMOD_RM, chip->chip_base_addr+SJAMOD); udelay(1000); - + cdr=bfadcan_read_register(chip->chip_base_addr+SJACDR); bfadcan_write_register(cdr|sjaCDR_PELICAN, chip->chip_base_addr+SJACDR); @@ -127,7 +131,7 @@ int bfadcan_reset(struct candevice_t *candev) bfadcan_write_register(cdr|sjaCDR_PELICAN, chip->chip_base_addr+SJACDR); bfadcan_write_register(0, chip->chip_base_addr+SJAIER); - + return 0; } @@ -149,7 +153,7 @@ int bfadcan_reset(struct candevice_t *candev) * Return Value: The function always returns zero * File: src/bfadcan.c */ -int bfadcan_init_hw_data(struct candevice_t *candev) +int bfadcan_init_hw_data(struct candevice_t *candev) { candev->res_addr=RESET_ADDR; candev->nr_82527_chips=NR_82527; @@ -183,7 +187,7 @@ int bfadcan_init_hw_data(struct candevice_t *candev) * The entry @int_clk_reg holds hardware specific options for the Clock Out * register. Options defined in the %i82527.h file: * %iCLK_CD0, %iCLK_CD1, %iCLK_CD2, %iCLK_CD3, %iCLK_SL0, %iCLK_SL1. - * The entry @int_bus_reg holds hardware specific options for the Bus + * The entry @int_bus_reg holds hardware specific options for the Bus * Configuration register. Options defined in the %i82527.h file: * %iBUS_DR0, %iBUS_DR1, %iBUS_DT1, %iBUS_POL, %iBUS_CBY. * The entry @int_cpu_reg holds hardware specific options for the cpu interface @@ -222,7 +226,7 @@ int bfadcan_init_chip_data(struct candevice_t *candev, int chipnr) * CAN chip. In case of the sja1000 there's only one message object but on the * i82527 chip there are 15. * The code below is for a i82527 chip and initializes the object base addresses - * The entry @obj_base_addr represents the first memory address of the message + * The entry @obj_base_addr represents the first memory address of the message * object. In case of the sja1000 @obj_base_addr is taken the same as the chips * base address. * Unless the hardware uses a segmented memory map, flags can be set zero. @@ -232,7 +236,7 @@ int bfadcan_init_chip_data(struct candevice_t *candev, int chipnr) int bfadcan_init_obj_data(struct canchip_t *chip, int objnr) { chip->msgobj[objnr]->obj_base_addr=chip->chip_base_addr+(objnr+1)*0x10; - + return 0; } @@ -240,10 +244,10 @@ int bfadcan_init_obj_data(struct canchip_t *chip, int objnr) * bfadcan_program_irq - program interrupts * @candev: Pointer to candevice/board structure * - * The function bfadcan_program_irq() is used for hardware that uses + * The function bfadcan_program_irq() is used for hardware that uses * programmable interrupts. If your hardware doesn't use programmable interrupts - * you should not set the @candevices_t->flags entry to %CANDEV_PROGRAMMABLE_IRQ and - * leave this function unedited. Again this function is hardware specific so + * you should not set the @candevices_t->flags entry to %CANDEV_PROGRAMMABLE_IRQ and + * leave this function unedited. Again this function is hardware specific so * there's no example code. * Return value: The function returns zero on success or %-ENODEV on failure * File: src/bfadcan.c