Changeset ac0cb2a in mainline for arch/mips32/src/drivers/keyboard.c

Timestamp:

2005-12-08T00:29:53Z (19 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

944b15c

Parents:

9d5e23c

Message:

Added simple support for arc keyboards on mips.

File:

• arch/mips32/src/drivers/keyboard.c (modified) (2 diffs)

arch/mips32/src/drivers/keyboard.c

@@ -36 +36 @@
 #include <synch/waitq.h>
 #include <typedefs.h>
+#include <arch/drivers/arc.h>
 
 static void keyboard_enable(void);
 static void keyboard_disable(void);
+static void arc_kb_disable(void);
+static void arc_kb_enable(void);
 
 static chardev_t kbrd;
-static chardev_operations_t ops = {
+
+static chardev_operations_t arc_ops = {
+        .resume = arc_kb_enable,
+        .suspend = arc_kb_disable
+};
+
+static chardev_operations_t msim_ops = {
         .resume = keyboard_enable,
         .suspend = keyboard_disable
 };
 
+static int arc_kb_enabled;
+
 /** Initialize keyboard subsystem. */
 void keyboard_init(void)
 {
-        cp0_unmask_int(KEYBOARD_IRQ);
-        chardev_initialize(&kbrd, &ops);
+        if (arc_enabled()) {
+                chardev_initialize(&kbrd, &arc_ops);
+                arc_kb_enabled = 1;
+        } else {
+                cp0_unmask_int(KEYBOARD_IRQ);
+                chardev_initialize(&kbrd, &msim_ops);
+        }
         stdin = &kbrd;
 }
@@ -74 +90 @@
         cp0_mask_int(KEYBOARD_IRQ);
 }
+
+/*****************************/
+/* Arc keyboard */
+
+void keyboard_poll(void)
+{
+        int ch;
+
+        if (!arc_enabled() || !arc_kb_enabled)
+                return;
+        while ((ch = arc_getchar()) != -1)
+                chardev_push_character(&kbrd, ch);              
+}
+
+static void arc_kb_enable(void)
+{
+        arc_kb_enabled = 1;
+}
+
+/* Called from getc(). */
+static void arc_kb_disable(void)
+{
+        arc_kb_enabled = 0;
+}