/* The rest is for the kernel only */
#ifdef __KERNEL__
-#include <linux/config.h>
#include <linux/jiffies.h>
#include <linux/proc_fs.h>
#include <linux/spinlock.h>
#include <asm/ptrace.h>
#include <asm/semaphore.h>
-#define PARPORT_NEED_GENERIC_OPS
-
/* Define this later. */
struct parport;
struct pardevice;
unsigned char statusdir;/* ciab.ddrb & 7 */
};
+struct ax88796_parport_state {
+ unsigned char cpr;
+};
+
+struct ip32_parport_state {
+ unsigned int dcr;
+ unsigned int ecr;
+};
+
struct parport_state {
union {
struct pc_parport_state pc;
/* ARC has no state. */
struct ax_parport_state ax;
struct amiga_parport_state amiga;
+ struct ax88796_parport_state ax88796;
/* Atari has not state. */
+ struct ip32_parport_state ip32;
void *misc;
} u;
};
int (*preempt)(void *);
void (*wakeup)(void *);
void *private;
- void (*irq_func)(int, void *, struct pt_regs *);
+ void (*irq_func)(int, void *);
unsigned int flags;
struct pardevice *next;
struct pardevice *prev;
/* IEEE1284 information */
-/* IEEE1284 phases */
+/* IEEE1284 phases. These are exposed to userland through ppdev IOCTL
+ * PP[GS]ETPHASE, so do not change existing values. */
enum ieee1284_phase {
IEEE1284_PH_FWD_DATA,
IEEE1284_PH_FWD_IDLE,
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)(int, void *),
int flags, void *handle);
/* parport_unregister unlinks a device from the chain. */
#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 (int, 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);
int usec);
/* For architectural drivers */
-extern void parport_ieee1284_wakeup (struct parport *port);
extern size_t parport_ieee1284_write_compat (struct parport *,
const void *, size_t, int);
extern size_t parport_ieee1284_read_nibble (struct parport *,
extern struct pardevice *parport_open (int devnum, const char *name,
int (*pf) (void *),
void (*kf) (void *),
- void (*irqf) (int, void *,
- struct pt_regs *),
+ void (*irqf) (int, void *),
int flags, void *handle);
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 int parport_device_coords (int devnum, 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);
-/* For finding devices based on their device ID. Example usage:
- int devnum = -1;
- while ((devnum = parport_find_class (PARPORT_CLASS_DIGCAM, devnum)) != -1) {
- struct pardevice *dev = parport_open (devnum, ...);
- ...
- }
-*/
-extern int parport_find_device (const char *mfg, const char *mdl, int from);
-extern int parport_find_class (parport_device_class cls, int from);
-
/* 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(int irq, struct parport *port)
{
- parport_ieee1284_interrupt (irq, port, regs);
+ parport_ieee1284_interrupt (irq, 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(irq, port->cad->private);
read_unlock(&port->cad_lock);
}
extern int parport_device_proc_unregister(struct pardevice *device);
/* If PC hardware is the only type supported, we can optimise a bit. */
-#if (defined(CONFIG_PARPORT_PC) || defined(CONFIG_PARPORT_PC_MODULE)) && !(defined(CONFIG_PARPORT_ARC) || defined(CONFIG_PARPORT_ARC_MODULE)) && !(defined(CONFIG_PARPORT_AMIGA) || defined(CONFIG_PARPORT_AMIGA_MODULE)) && !(defined(CONFIG_PARPORT_MFC3) || defined(CONFIG_PARPORT_MFC3_MODULE)) && !(defined(CONFIG_PARPORT_ATARI) || defined(CONFIG_PARPORT_ATARI_MODULE)) && !(defined(CONFIG_USB_USS720) || defined(CONFIG_USB_USS720_MODULE)) && !(defined(CONFIG_PARPORT_SUNBPP) || defined(CONFIG_PARPORT_SUNBPP_MODULE)) && !defined(CONFIG_PARPORT_OTHER)
+#if !defined(CONFIG_PARPORT_NOT_PC)
-#undef PARPORT_NEED_GENERIC_OPS
#include <linux/parport_pc.h>
#define parport_write_data(p,x) parport_pc_write_data(p,x)
#define parport_read_data(p) parport_pc_read_data(p)
#define parport_disable_irq(p) parport_pc_disable_irq(p)
#define parport_data_forward(p) parport_pc_data_forward(p)
#define parport_data_reverse(p) parport_pc_data_reverse(p)
-#endif
-#ifdef PARPORT_NEED_GENERIC_OPS
+#else /* !CONFIG_PARPORT_NOT_PC */
+
/* Generic operations vector through the dispatch table. */
#define parport_write_data(p,x) (p)->ops->write_data(p,x)
#define parport_read_data(p) (p)->ops->read_data(p)
#define parport_disable_irq(p) (p)->ops->disable_irq(p)
#define parport_data_forward(p) (p)->ops->data_forward(p)
#define parport_data_reverse(p) (p)->ops->data_reverse(p)
-#endif
+
+#endif /* !CONFIG_PARPORT_NOT_PC */
#endif /* __KERNEL__ */
#endif /* _PARPORT_H_ */
git://git.onelab.eu / linux-2.6.git / blobdiff