rewrite the device subsystem interfaces (#48)

[lunaix-os.git] / lunaix-os / includes / hal / hwtimer.h

diff --git a/lunaix-os/includes/hal/hwtimer.h b/lunaix-os/includes/hal/hwtimer.h
index bf0595d7df0a177fdab5562e862cfea20f762860..e7a22a7644fdfb7b7ff9e65eeb00159058fd5c45 100644 (file)
--- a/lunaix-os/includes/hal/hwtimer.h
+++ b/lunaix-os/includes/hal/hwtimer.h
@@ -1,38 +1,48 @@
 #ifndef __LUNAIX_HWTIMER_H
 #define __LUNAIX_HWTIMER_H
 
+#include <lunaix/device.h>
 #include <lunaix/time.h>
 #include <lunaix/types.h>
 
 typedef void (*timer_tick_cb)();
 
-struct hwtimer_context
+#define HWTIMER_MIN_PRECEDENCE      0
+#define HWTIMER_MAX_PRECEDENCE      15
+
+struct hwtimer_pot;
+struct hwtimer_pot_ops
 {
-    char* name;
-    void* data;
+    void (*calibrate)(struct hwtimer_pot*, u32_t hertz);
+};
 
-    int (*supported)(struct hwtimer_context*);
-    void (*init)(struct hwtimer_context*, u32_t hertz, timer_tick_cb);
-    ticks_t (*systicks)();
+struct hwtimer_pot
+{
+    POTENS_META;
+    
+    struct llist_header timers;
+    
+    int precedence;
+    timer_tick_cb callback;
     ticks_t base_freq;
     ticks_t running_freq;
-};
+    volatile ticks_t systick_raw;
 
-extern struct hwtimer_context* current_timer;
+    struct hwtimer_pot_ops* ops;
+};
 
 void
 hwtimer_init(u32_t hertz, void* tick_callback);
 
-struct hwtimer_context*
-hwtimer_choose();
-
-ticks_t
-hwtimer_base_frequency();
-
 ticks_t
 hwtimer_current_systicks();
 
 ticks_t
 hwtimer_to_ticks(u32_t value, int unit);
 
+struct hwtimer_pot*
+hwtimer_attach_potens(struct device* dev, int precedence, 
+                      struct hwtimer_pot_ops* ops);
+
+
 #endif /* __LUNAIX_HWTIMER_H */