From: Alan Cox <alan@linux.intel.com>
Date: Tue, 30 Dec 2014 19:04:17 +0000 (+0000)
Subject: vt: add the framework for reporting the keyboard map and VT size
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=58dab1bb45399a7a4ac7c8a9a8a9514ba79e6be2;p=FUZIX.git

vt: add the framework for reporting the keyboard map and VT size
---

diff --git a/Kernel/include/vt.h b/Kernel/include/vt.h
index 709bed0e..4968769a 100644
--- a/Kernel/include/vt.h
+++ b/Kernel/include/vt.h
@@ -3,6 +3,10 @@
 
 /* Optional defines */
 
+#ifndef MAX_VT
+#define MAX_VT	1
+#endif
+
 #ifndef VT_MAP_CHAR
 #define VT_MAP_CHAR(x) 	(x)
 #endif
@@ -33,5 +37,6 @@ void scroll_up(void);
 void scroll_down(void);
 void plot_char(int8_t y, int8_t x, uint16_t c);
 void do_beep(void);
+int vt_ioctl(uint8_t minor, uint16_t op, char *ptr);
 
 #endif
\ No newline at end of file
diff --git a/Kernel/vt.c b/Kernel/vt.c
index 71353f96..2a58d65f 100644
--- a/Kernel/vt.c
+++ b/Kernel/vt.c
@@ -1,4 +1,5 @@
 #include <kernel.h>
+#include <tty.h>
 #include <vt.h>
 #include <devtty.h>
 
@@ -182,6 +183,24 @@ void vtoutput(unsigned char *p, unsigned int len)
 	cursor_on(cursory, cursorx);
 }
 
+int vt_ioctl(uint8_t minor, uint16_t request, char *data)
+{
+	/* FIXME: need to address the multiple vt switching case
+	   here.. probably need to switch vt */
+	if (minor <= MAX_VT) {
+		switch(request) {
+			case KBMAPSIZE:
+				return KEY_ROWS << 8 | KEY_COLS;
+			case KBMAPGET:
+				return uput(keymap, data, sizeof(keymap));
+			case VTSIZE:
+				return VT_HEIGHT << 8 | VT_WIDTH;
+		}
+	}
+	return tty_ioctl(minor, request, data);
+}
+
+
 void vtinit(void)
 {
 	vtmode = 0;