* 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
#define __NO_VERSION__
#include <linux/module.h>
-long clock_freq;
-MODULE_PARM(clock_freq,"i");
+#define CAN_BFAD_CLOCKFREQ 20000000
/* 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
/*
#define IO_RANGE 0x100
#endif
-unsigned bfadcan_read_register(unsigned long address);
-void bfadcan_write_register(unsigned data, unsigned long address);
+unsigned bfadcan_read_register(can_ioptr_t address);
+void bfadcan_write_register(unsigned data, can_ioptr_t 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.
* 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
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);
bfadcan_write_register(cdr|sjaCDR_PELICAN, chip->chip_base_addr+SJACDR);
bfadcan_write_register(0, chip->chip_base_addr+SJAIER);
-
+
return 0;
}
* 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;
* 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
{
unsigned int id1, id2;
sja1000p_fill_chipspecops(candev->chip[chipnr]);
- candev->chip[chipnr]->chip_base_addr=candev->io_addr;
- candev->chip[chipnr]->clock = clock_freq;
+ candev->chip[chipnr]->chip_base_addr=can_ioport2ioptr(candev->io_addr);
+ if(candev->chip[chipnr]->clock<=0)
+ candev->chip[chipnr]->clock = CAN_BFAD_CLOCKFREQ;
candev->chip[chipnr]->sja_cdr_reg = sjaCDR_CBP | sjaCDR_CLK_OFF;
candev->chip[chipnr]->sja_ocr_reg = sjaOCR_MODE_NORMAL | sjaOCR_TX0_LH;
- id1 = inb(0xe284);
- id2 = inb(0xe285);
+ id1 = can_inb(0xe284);
+ id2 = can_inb(0xe285);
CANMSG("can driver ver lincan-0.3, at %04lx, CPLD v%d.%d.%d.%d\n",
- candev->chip[chipnr]->chip_base_addr,
- id1>>4, id1&0x0f, id2>>4, id2&0x0f);
+ can_ioptr2ulong(candev->chip[chipnr]->chip_base_addr),
+ id1>>4, id1&0x0f, id2>>4, id2&0x0f);
return 0;
* 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.
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;
}
* 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
* Return Value: The function does not return a value
* File: src/bfadcan.c
*/
-void bfadcan_write_register(unsigned data, unsigned long address)
+void bfadcan_write_register(unsigned data, can_ioptr_t address)
{
#ifdef WINDOWED_ACCESS
can_spin_irqflags_t flags;
can_spin_lock_irqsave(&bfadcan_win_lock,flags);
- outb(address&0x00ff,0x200);
- outb(data, 0x201);
+ can_outb(can_ioptr2ulong(address)&0x00ff,0x200);
+ can_outb(data, 0x201);
can_spin_unlock_irqrestore(&bfadcan_win_lock,flags);
#else
- outb(data,address);
+ can_outb(data,address);
#endif
}
* Return Value: The function returns the value stored in @address
* File: src/bfadcan.c
*/
-unsigned bfadcan_read_register(unsigned long address)
+unsigned bfadcan_read_register(can_ioptr_t address)
{
#ifdef WINDOWED_ACCESS
can_spin_irqflags_t flags;
int ret;
can_spin_lock_irqsave(&bfadcan_win_lock,flags);
- outb(address&0x00ff,0x200);
- ret = inb(0x201);
+ can_outb(can_ioptr2ulong(address)&0x00ff,0x200);
+ ret = can_inb(0x201);
can_spin_unlock_irqrestore(&bfadcan_win_lock,flags);
return ret;
#else
- return inb(address);
+ return can_inb(address);
#endif
}