struct w1_master *master;
struct w1_family *family;
+ void *family_data;
struct device dev;
- struct completion dev_released;
-
- struct bin_attribute attr_bin;
- struct device_attribute attr_name;
+ struct completion released;
};
-typedef void (* w1_slave_found_callback)(unsigned long, u64);
+typedef void (* w1_slave_found_callback)(void *, u64);
/**
struct w1_bus_master
{
/** the first parameter in all the functions below */
- unsigned long data;
+ void *data;
/**
* Sample the line level
* @return the level read (0 or 1)
*/
- u8 (*read_bit)(unsigned long);
+ u8 (*read_bit)(void *);
/** Sets the line level */
- void (*write_bit)(unsigned long, u8);
+ void (*write_bit)(void *, u8);
/**
* touch_bit is the lowest-level function for devices that really
* touch_bit(1) = write-1 / read cycle
* @return the bit read (0 or 1)
*/
- u8 (*touch_bit)(unsigned long, u8);
+ u8 (*touch_bit)(void *, u8);
/**
* Reads a bytes. Same as 8 touch_bit(1) calls.
* @return the byte read
*/
- u8 (*read_byte)(unsigned long);
+ u8 (*read_byte)(void *);
/**
* Writes a byte. Same as 8 touch_bit(x) calls.
*/
- void (*write_byte)(unsigned long, u8);
+ void (*write_byte)(void *, u8);
/**
* Same as a series of read_byte() calls
* @return the number of bytes read
*/
- u8 (*read_block)(unsigned long, u8 *, int);
+ u8 (*read_block)(void *, u8 *, int);
/** Same as a series of write_byte() calls */
- void (*write_block)(unsigned long, const u8 *, int);
+ void (*write_block)(void *, const u8 *, int);
/**
* Combines two reads and a smart write for ROM searches
* @return bit0=Id bit1=comp_id bit2=dir_taken
*/
- u8 (*triplet)(unsigned long, u8);
+ u8 (*triplet)(void *, u8);
/**
* long write-0 with a read for the presence pulse detection
* @return -1=Error, 0=Device present, 1=No device present
*/
- u8 (*reset_bus)(unsigned long);
+ u8 (*reset_bus)(void *);
/** Really nice hardware can handles the ROM searches */
- void (*search)(unsigned long, w1_slave_found_callback);
+ void (*search)(void *, w1_slave_found_callback);
};
+#define W1_MASTER_NEED_EXIT 0
+#define W1_MASTER_NEED_RECONNECT 1
+
struct w1_master
{
struct list_head w1_master_entry;
int slave_ttl;
int initialized;
u32 id;
+ int search_count;
atomic_t refcnt;
void *priv;
int priv_size;
- int need_exit;
- pid_t kpid;
+ long flags;
+
+ struct task_struct *thread;
struct semaphore mutex;
struct device_driver *driver;
struct device dev;
- struct completion dev_released;
- struct completion dev_exited;
struct w1_bus_master *bus_master;
int w1_create_master_attributes(struct w1_master *);
void w1_search(struct w1_master *dev, w1_slave_found_callback cb);
+static inline struct w1_slave* dev_to_w1_slave(struct device *dev)
+{
+ return container_of(dev, struct w1_slave, dev);
+}
+
+static inline struct w1_slave* kobj_to_w1_slave(struct kobject *kobj)
+{
+ return dev_to_w1_slave(container_of(kobj, struct device, kobj));
+}
+
+static inline struct w1_master* dev_to_w1_master(struct device *dev)
+{
+ return container_of(dev, struct w1_master, dev);
+}
+
+extern int w1_max_slave_count;
+extern int w1_max_slave_ttl;
+extern spinlock_t w1_mlock;
+extern struct list_head w1_masters;
+extern struct device_driver w1_master_driver;
+extern struct device w1_master_device;
+
+int w1_process(void *data);
+void w1_reconnect_slaves(struct w1_family *f);
+
#endif /* __KERNEL__ */
#endif /* __W1_H */