X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=include%2Flinux%2Fparport.h;h=dcb9e01a69ca9672879be141eb7d449b3297445b;hb=5dfeaef89559d4968b0470adf749659f10d722f6;hp=5bf321e82c998ed78c37ed87179cbb0e65597b19;hpb=0a1340c185734a57fbf4775927966ad4a1347b02;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/parport.h b/include/linux/parport.h
index 5bf321e82c9..dcb9e01a69c 100644
--- a/include/linux/parport.h
+++ b/include/linux/parport.h
@@ -100,9 +100,10 @@ typedef enum {
 #include <linux/proc_fs.h>
 #include <linux/spinlock.h>
 #include <linux/wait.h>
+#include <linux/irqreturn.h>
+#include <linux/semaphore.h>
 #include <asm/system.h>
 #include <asm/ptrace.h>
-#include <asm/semaphore.h>
 
 /* Define this later. */
 struct parport;
@@ -229,7 +230,7 @@ struct pardevice {
 	int (*preempt)(void *);
 	void (*wakeup)(void *);
 	void *private;
-	void (*irq_func)(int, void *, struct pt_regs *);
+	void (*irq_func)(void *);
 	unsigned int flags;
 	struct pardevice *next;
 	struct pardevice *prev;
@@ -279,6 +280,10 @@ struct parport {
 	int dma;
 	int muxport;		/* which muxport (if any) this is */
 	int portnum;		/* which physical parallel port (not mux) */
+	struct device *dev;	/* Physical device associated with IO/DMA.
+				 * This may unfortulately be null if the
+				 * port has a legacy driver.
+				 */
 
 	struct parport *physport;
 				/* If this is a non-default mux
@@ -289,7 +294,7 @@ struct parport {
 				   following structure members are
 				   meaningless: devices, cad, muxsel,
 				   waithead, waittail, flags, pdir,
-				   ieee1284, *_lock.
+				   dev, ieee1284, *_lock.
 
 				   It this is a default mux parport, or
 				   there is no mux involved, this points to
@@ -302,7 +307,7 @@ struct parport {
 
 	struct pardevice *waithead;
 	struct pardevice *waittail;
-	
+
 	struct list_head list;
 	unsigned int flags;
 
@@ -362,6 +367,9 @@ extern void parport_unregister_driver (struct parport_driver *);
 extern struct parport *parport_find_number (int);
 extern struct parport *parport_find_base (unsigned long);
 
+/* generic irq handler, if it suits your needs */
+extern irqreturn_t parport_irq_handler(int irq, void *dev_id);
+
 /* Reference counting for ports. */
 extern struct parport *parport_get_port (struct parport *);
 extern void parport_put_port (struct parport *);
@@ -375,7 +383,7 @@ extern void parport_put_port (struct parport *);
 struct pardevice *parport_register_device(struct parport *port, 
 			  const char *name,
 			  int (*pf)(void *), void (*kf)(void *),
-			  void (*irq_func)(int, void *, struct pt_regs *), 
+			  void (*irq_func)(void *), 
 			  int flags, void *handle);
 
 /* parport_unregister unlinks a device from the chain. */
@@ -457,7 +465,7 @@ static __inline__ int parport_yield_blocking(struct pardevice *dev)
 #define PARPORT_FLAG_EXCL		(1<<1)	/* EXCL driver registered. */
 
 /* IEEE1284 functions */
-extern void parport_ieee1284_interrupt (int, void *, struct pt_regs *);
+extern void parport_ieee1284_interrupt (void *);
 extern int parport_negotiate (struct parport *, int mode);
 extern ssize_t parport_write (struct parport *, const void *buf, size_t len);
 extern ssize_t parport_read (struct parport *, void *buf, size_t len);
@@ -499,26 +507,19 @@ extern size_t parport_ieee1284_epp_read_addr (struct parport *,
 /* IEEE1284.3 functions */
 extern int parport_daisy_init (struct parport *port);
 extern void parport_daisy_fini (struct parport *port);
-extern struct pardevice *parport_open (int devnum, const char *name,
-				       int (*pf) (void *),
-				       void (*kf) (void *),
-				       void (*irqf) (int, void *,
-						     struct pt_regs *),
-				       int flags, void *handle);
+extern struct pardevice *parport_open (int devnum, const char *name);
 extern void parport_close (struct pardevice *dev);
 extern ssize_t parport_device_id (int devnum, char *buffer, size_t len);
-extern int parport_device_num (int parport, int mux, int daisy);
 extern void parport_daisy_deselect_all (struct parport *port);
 extern int parport_daisy_select (struct parport *port, int daisy, int mode);
 
 /* Lowlevel drivers _can_ call this support function to handle irqs.  */
-static __inline__ void parport_generic_irq(int irq, struct parport *port,
-					   struct pt_regs *regs)
+static inline void parport_generic_irq(struct parport *port)
 {
-	parport_ieee1284_interrupt (irq, port, regs);
+	parport_ieee1284_interrupt (port);
 	read_lock(&port->cad_lock);
 	if (port->cad && port->cad->irq_func)
-		port->cad->irq_func(irq, port->cad->private, regs);
+		port->cad->irq_func(port->cad->private);
 	read_unlock(&port->cad_lock);
 }