host driver: support access to the chip register wider then 8-bit.

[lincan.git] / lincan / include / main.h

diff --git a/lincan/include/main.h b/lincan/include/main.h
index 5b4e0e0dbb1633aa4c383b80b558c1f28bac047b..f7a302c53d25ad219ad709cda402044578c2b9bc 100644 (file)
--- a/lincan/include/main.h
+++ b/lincan/include/main.h
@@ -113,6 +113,10 @@ struct candevice_t {
 
        struct canhardware_t *hosthardware_p;
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,10))
+       struct kref refcount;
+#endif
+
        union {
                void *anydev;
            #ifdef CAN_ENABLE_PCI_SUPPORT
@@ -181,7 +185,7 @@ struct canchip_t {
        int chip_idx;   /* chip index in candevice_t.chip[] */
        int chip_irq;
        can_ioptr_t chip_base_addr;
-       unsigned int flags;
+       uint16_t flags;
        long clock; /* Chip clock in Hz */
        long baudrate;
 
@@ -327,6 +331,11 @@ struct hwspecops_t {
        int (*program_irq)(struct candevice_t *candev);
        void (*write_register)(unsigned data, can_ioptr_t address);
        unsigned (*read_register)(can_ioptr_t address);
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,10))
+       void (*release_device)(struct kref *refcount);
+#endif
+
 };
 
 /**
@@ -420,7 +429,7 @@ 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 reg_offs)
+extern inline void can_write_reg(const struct canchip_t *chip, unsigned data, unsigned reg_offs)
 {
        can_outb(data, chip->chip_base_addr+reg_offs);
 }
@@ -429,7 +438,7 @@ extern inline unsigned can_read_reg(const struct canchip_t *chip, unsigned reg_o
        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 reg_offs)
+                               unsigned data, unsigned reg_offs)
 {
        can_outb(data, obj->obj_base_addr+reg_offs);
 }
@@ -440,7 +449,7 @@ extern inline unsigned canobj_read_reg(const struct canchip_t *chip, const struc
 }
 
 #elif defined(CONFIG_OC_LINCAN_MEMIO_ONLY)
-extern inline void can_write_reg(const struct canchip_t *chip, unsigned char data, unsigned reg_offs)
+extern inline void can_write_reg(const struct canchip_t *chip, unsigned data, unsigned reg_offs)
 {
        can_writeb(data, chip->chip_base_addr+reg_offs);
 }
@@ -449,7 +458,7 @@ extern inline unsigned can_read_reg(const struct canchip_t *chip, unsigned reg_o
        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 reg_offs)
+                               unsigned data, unsigned reg_offs)
 {
        can_writeb(data, obj->obj_base_addr+reg_offs);
 }
@@ -467,7 +476,7 @@ extern inline unsigned canobj_read_reg(const struct canchip_t *chip, const struc
 /* 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 reg_offs)
+extern inline void can_write_reg(const struct canchip_t *chip, unsigned data, unsigned reg_offs)
 {
        can_ioptr_t address_to_write;
        address_to_write = chip->chip_base_addr+reg_offs;
@@ -482,7 +491,7 @@ extern inline unsigned can_read_reg(const struct canchip_t *chip, unsigned reg_o
 }
 
 extern inline void canobj_write_reg(const struct canchip_t *chip, const struct msgobj_t *obj,
-                               unsigned char data, unsigned reg_offs)
+                               unsigned data, unsigned reg_offs)
 {
        can_ioptr_t address_to_write;
        address_to_write = obj->obj_base_addr+reg_offs;
@@ -544,3 +553,7 @@ void can_filltimestamp(canmsg_tstamp_t *ptimestamp)
 #ifdef CAN_WITH_RTL
 extern int can_rtl_priority;
 #endif /*CAN_WITH_RTL*/
+
+extern struct candevice_t* register_hotplug_dev(const char *hwname,int (*chipdataregfnc)(struct canchip_t *chip,void *data),void *devdata);
+extern void deregister_hotplug_dev(struct candevice_t *dev);
+extern void cleanup_hotplug_dev(struct candevice_t *dev);