libpayload: Add video console framework

Add a framework for multiple video console drivers.  This is to prepare
for the Geode driver.

Signed-off-by: Jordan Crouse <jordan.crouse@amd.com>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3230 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

2 files changed, 53 insertions, 9 deletions

diff --git a/payloads/libpayload/include/libpayload.h b/payloads/libpayload/include/libpayload.h
index 10e5e8529c..23feedb43f 100644
--- a/payloads/libpayload/include/libpayload.h
+++ b/payloads/libpayload/include/libpayload.h
@@ -78,15 +78,12 @@ void serial_putchar(unsigned char c);
 int serial_havechar(void);
 int serial_getchar(void);
 
-/* drivers/serial.c */
-void vga_cursor_enable(int state);
-void vga_clear_line(uint8_t row, uint8_t ch, uint8_t attr);
-void vga_fill(uint8_t ch, uint8_t attr);
-void vga_clear(void);
-void vga_putc(uint8_t row, uint8_t col, unsigned int c);
-void vga_putchar(unsigned int ch);
-void vga_move_cursor(int x, int y);
-void vga_init(void);
+/* video/video.c */
+int video_console_init(void);
+void video_console_putchar(unsigned int ch);
+void video_console_putc(u8 row, u8 col, unsigned int ch);
+void video_console_clear(void);
+void video_console_cursor_enable(int state);
 
 /* libc/console.c */
 void console_init(void);
diff --git a/payloads/libpayload/include/video_console.h b/payloads/libpayload/include/video_console.h
new file mode 100644
index 0000000000..55deedf65f
--- /dev/null
+++ b/payloads/libpayload/include/video_console.h
@@ -0,0 +1,47 @@
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef VIDEO_CONSOLE_H_
+#define VIDEO_CONSOLE_H_
+
+#define VIDEO_ROWS 25
+#define VIDEO_COLS 80
+
+struct video_console {
+	int (*init)(void);
+	void (*putc)(u8, u8, unsigned int);
+	void (*clear)(void);
+	void (*scroll_up)(void);
+
+	void (*get_cursor)(unsigned int *, unsigned int *, unsigned int *);
+	void (*set_cursor)(unsigned int, unsigned int);
+	void (*enable_cursor)(int);
+};
+
+#endif