#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;
char *hwname; /* text board type */
int candev_idx; /* board index in canhardware_t.candevice[] */
unsigned long io_addr; /* IO/physical MEM address */
- unsigned long res_addr; /* optional seset register port */
- unsigned long dev_base_addr; /* CPU translated IO/virtual MEM address */
+ unsigned long res_addr; /* optional reset register port */
+ 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;
int nr_sja1000_chips;
+ can_spinlock_t device_lock;
struct canchip_t *chip[MAX_HW_CHIPS];
struct hwspecops_t *hwspecops;
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;
* 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;
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);
};
/**
* @enable_configuration: enable chip configuration mode
* @disable_configuration: disable chip configuration mode
* @set_btregs: configures bitrate registers
+ * @attach_to_chip: attaches to the chip, setups registers and possibly state informations
+ * @release_chip: called before chip structure removal if %CHIP_ATTACHED is set
* @start_chip: starts chip message processing
* @stop_chip: stops chip message processing
* @irq_handler: interrupt service routine
int (*disable_configuration)(struct canchip_t *chip);
int (*set_btregs)(struct canchip_t *chip, unsigned short btr0,
unsigned short btr1);
+ int (*attach_to_chip)(struct canchip_t *chip);
+ int (*release_chip)(struct canchip_t *chip);
int (*start_chip)(struct canchip_t *chip);
int (*stop_chip)(struct canchip_t *chip);
int (*irq_handler)(int irq, struct canchip_t *chip);
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;
#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*/
#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);