Change of vterm handling logic on backend chardev input event (#40)

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

diff --git a/lunaix-os/includes/hal/term.h b/lunaix-os/includes/hal/term.h
index 6b76db3b75e3c56ea48772c1578b1fbaad1699c8..407707e397c6fff6fa446f7fe7eee80b20167abc 100644 (file)
--- a/lunaix-os/includes/hal/term.h
+++ b/lunaix-os/includes/hal/term.h
@@ -3,6 +3,7 @@
 
 #include <lunaix/device.h>
 #include <lunaix/ds/rbuffer.h>
 
 #include <lunaix/device.h>
 #include <lunaix/ds/rbuffer.h>

+#include <lunaix/ds/waitq.h>

 #include <lunaix/signal_defs.h>
 
 #include <usr/lunaix/term.h>
 #include <lunaix/signal_defs.h>
 
 #include <usr/lunaix/term.h>


@@ -16,41 +17,69 @@ struct linebuffer
     short sflags;
     short sz_hlf;
 };
     short sflags;
     short sz_hlf;
 };

-#define LSTATE_EOL (1)
-#define LSTATE_EOF (1 << 1)
-#define LSTATE_SIGRAISE (1 << 2)
+#define LEVT_EOL (1)
+#define LEVT_EOF (1 << 1)
+#define LEVT_SIGRAISE (1 << 2)

 
 typedef struct rbuffer** lbuf_ref_t;
 #define ref_current(lbuf) (&(lbuf)->current)
 #define ref_next(lbuf) (&(lbuf)->next)
 #define deref(bref) (*(bref))
 
 
 typedef struct rbuffer** lbuf_ref_t;
 #define ref_current(lbuf) (&(lbuf)->current)
 #define ref_next(lbuf) (&(lbuf)->next)
 #define deref(bref) (*(bref))
 

-struct term_lcntl
+/**
+ * @brief Communication port capability that a device is supported natively, 
+ *          or able to emulate low level serial transmission behaviour specify 
+ *          by POSIX1-2008, section 11.
+ * 
+ */
+#define TERMPORT_CAP 0x4d524554U
+
+/**
+ * @brief A termios capability that a device provide interfaces which is 
+ *          compliant to POSIX1-2008
+ * 
+ */
+#define TERMIOS_CAP 0x534f4954U
+
+struct term;
+
+struct termport_cap_ops
+{
+    void (*set_speed)(struct device*, speed_t);
+    void (*set_clkbase)(struct device*, unsigned int);
+    void (*set_cntrl_mode)(struct device*, tcflag_t);
+};
+
+struct termport_capability

 {
 {

+    CAPABILITY_META;
+    struct termport_cap_ops* cap_ops;

     struct term* term;
     struct term* term;

-    int (*process_and_put)(struct term*, struct linebuffer*, char);

 };
 
 struct term
 {
     struct device* dev;
     struct device* chdev;
 };
 
 struct term
 {
     struct device* dev;
     struct device* chdev;

-    struct term_lcntl* lcntl;

     struct linebuffer line_out;
     struct linebuffer line_in;
     struct linebuffer line_out;
     struct linebuffer line_in;

+    char* scratch_pad;

     pid_t fggrp;
 
     pid_t fggrp;
 

-    struct
-    {
-        int (*set_speed)(struct device*, speed_t);
-    } chdev_ops;
+    struct termport_capability* tp_cap;
+    waitq_t line_in_event;

 
     /* -- POSIX.1-2008 compliant fields -- */
     tcflag_t iflags;
     tcflag_t oflags;
     tcflag_t lflags;
 
     /* -- POSIX.1-2008 compliant fields -- */
     tcflag_t iflags;
     tcflag_t oflags;
     tcflag_t lflags;

+    tcflag_t cflags;

     cc_t cc[_NCCS];
     cc_t cc[_NCCS];

+
+    /* -- END POSIX.1-2008 compliant fields -- */

     speed_t iospeed;
     speed_t iospeed;

+    speed_t clkbase;
+    tcflag_t tflags;    // temp flags

 };
 
 extern struct device* sysconsole;
 };
 
 extern struct device* sysconsole;


@@ -61,15 +90,6 @@ term_create(struct device* chardev, char* suffix);
 int
 term_bind(struct term* tdev, struct device* chdev);
 
 int
 term_bind(struct term* tdev, struct device* chdev);
 

-int
-term_push_lcntl(struct term* tdev, struct term_lcntl* lcntl);
-
-int
-term_pop_lcntl(struct term* tdev);
-
-struct term_lcntl*
-term_get_lcntl(u32_t lcntl_index);
-

 static inline void
 line_flip(struct linebuffer* lbf)
 {
 static inline void
 line_flip(struct linebuffer* lbf)
 {


@@ -99,4 +119,20 @@ lcntl_transform_inseq(struct term* tdev);
 int
 lcntl_transform_outseq(struct term* tdev);
 
 int
 lcntl_transform_outseq(struct term* tdev);
 

+static inline void
+term_cap_set_operations(struct termport_capability* cap, 
+                        struct termport_cap_ops* ops)
+{
+    cap->cap_ops = ops;
+}
+
+void
+term_notify_data_avaliable(struct termport_capability* cap);
+
+#define termport_default_ops                                    \
+    ({                                                          \
+        extern struct termport_cap_ops default_termport_cap_ops;\
+        &default_termport_cap_ops;                              \
+    })
+

 #endif /* __LUNAIX_TERM_H */
 #endif /* __LUNAIX_TERM_H */