[PATCH] w1: Added default generic read/write operations.

[pandora-kernel.git] / drivers / w1 / w1.h

diff --git a/drivers/w1/w1.h b/drivers/w1/w1.h
index d890078..02e8cad 100644 (file)
--- a/drivers/w1/w1.h
+++ b/drivers/w1/w1.h
@@ -60,7 +60,7 @@ struct w1_reg_num
 #define W1_READ_PSUPPLY                0xB4
 #define W1_MATCH_ROM           0x55
 
-#define W1_SLAVE_ACTIVE                (1<<0)
+#define W1_SLAVE_ACTIVE                0
 
 struct w1_slave
 {
@@ -80,7 +80,7 @@ struct w1_slave
        struct completion       released;
 };
 
-typedef void (* w1_slave_found_callback)(unsigned long, u64);
+typedef void (* w1_slave_found_callback)(void *, u64);
 
 
 /**
@@ -93,16 +93,16 @@ typedef void (* w1_slave_found_callback)(unsigned long, 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
@@ -111,42 +111,42 @@ struct w1_bus_master
         * 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
@@ -172,12 +172,11 @@ struct w1_master
 
        long                    flags;
 
-       pid_t                   kpid;
+       struct task_struct      *thread;
        struct semaphore        mutex;
 
        struct device_driver    *driver;
        struct device           dev;
-       struct completion       dev_exited;
 
        struct w1_bus_master    *bus_master;
 
@@ -203,6 +202,16 @@ 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 */