DSS2: Small VRFB context allocation bug fixed

[pandora-kernel.git] / drivers / char / hvc_console.h

diff --git a/drivers/char/hvc_console.h b/drivers/char/hvc_console.h
index 42ffb17..9790201 100644 (file)
--- a/drivers/char/hvc_console.h
+++ b/drivers/char/hvc_console.h
@@ -6,7 +6,7 @@
  *     Ryan S. Arnold <rsa@us.ibm.com>
  *
  * hvc_console header information:
- *      moved here from include/asm-powerpc/hvconsole.h
+ *      moved here from arch/powerpc/include/asm/hvconsole.h
  *      and drivers/char/hvc_console.c
  *
  * This program is free software; you can redistribute it and/or modify
@@ -26,6 +26,7 @@
 
 #ifndef HVC_CONSOLE_H
 #define HVC_CONSOLE_H
+#include <linux/kref.h>
 
 /*
  * This is the max number of console adapters that can/will be found as
@@ -42,24 +43,50 @@
  */
 #define HVC_ALLOC_TTY_ADAPTERS 8
 
+struct hvc_struct {
+       spinlock_t lock;
+       int index;
+       struct tty_struct *tty;
+       unsigned int count;
+       int do_wakeup;
+       char *outbuf;
+       int outbuf_size;
+       int n_outbuf;
+       uint32_t vtermno;
+       struct hv_ops *ops;
+       int irq_requested;
+       int data;
+       struct list_head next;
+       struct kref kref; /* ref count & hvc_struct lifetime */
+};
 
 /* implemented by a low level driver */
 struct hv_ops {
        int (*get_chars)(uint32_t vtermno, char *buf, int count);
        int (*put_chars)(uint32_t vtermno, const char *buf, int count);
-};
 
-struct hvc_struct;
+       /* Callbacks for notification. Called in open and close */
+       int (*notifier_add)(struct hvc_struct *hp, int irq);
+       void (*notifier_del)(struct hvc_struct *hp, int irq);
+};
 
 /* Register a vterm and a slot index for use as a console (console_init) */
 extern int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops);
 
 /* register a vterm for hvc tty operation (module_init or hotplug add) */
-extern struct hvc_struct * __devinit hvc_alloc(uint32_t vtermno, int irq,
+extern struct hvc_struct * __devinit hvc_alloc(uint32_t vtermno, int data,
                                struct hv_ops *ops, int outbuf_size);
-/* remove a vterm from hvc tty operation (modele_exit or hotplug remove) */
+/* remove a vterm from hvc tty operation (module_exit or hotplug remove) */
 extern int __devexit hvc_remove(struct hvc_struct *hp);
 
+/* data available */
+int hvc_poll(struct hvc_struct *hp);
+void hvc_kick(void);
+
+/* default notifier for irq based notification */
+extern int notifier_add_irq(struct hvc_struct *hp, int data);
+extern void notifier_del_irq(struct hvc_struct *hp, int data);
+
 
 #if defined(CONFIG_XMON) && defined(CONFIG_SMP)
 #include <asm/xmon.h>