Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 60 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/vga.h b/arch/powerpc/include/asm/vga.h
new file mode 100644
index 000000000..fcf721682
--- /dev/null
+++ b/arch/powerpc/include/asm/vga.h
@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_POWERPC_VGA_H_
+#define _ASM_POWERPC_VGA_H_
+
+#ifdef __KERNEL__
+
+/*
+ *	Access to VGA videoram
+ *
+ *	(c) 1998 Martin Mares <mj@ucw.cz>
+ */
+
+
+#include <asm/io.h>
+
+
+#if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_MDA_CONSOLE)
+
+#define VT_BUF_HAVE_RW
+/*
+ *  These are only needed for supporting VGA or MDA text mode, which use little
+ *  endian byte ordering.
+ *  In other cases, we can optimize by using native byte ordering and
+ *  <linux/vt_buffer.h> has already done the right job for us.
+ */
+
+static inline void scr_writew(u16 val, volatile u16 *addr)
+{
+	*addr = cpu_to_le16(val);
+}
+
+static inline u16 scr_readw(volatile const u16 *addr)
+{
+	return le16_to_cpu(*addr);
+}
+
+#define VT_BUF_HAVE_MEMSETW
+static inline void scr_memsetw(u16 *s, u16 v, unsigned int n)
+{
+	memset16(s, cpu_to_le16(v), n / 2);
+}
+
+#define VT_BUF_HAVE_MEMCPYW
+#define VT_BUF_HAVE_MEMMOVEW
+#define scr_memcpyw	memcpy
+#define scr_memmovew	memmove
+
+#endif /* !CONFIG_VGA_CONSOLE && !CONFIG_MDA_CONSOLE */
+
+#ifdef __powerpc64__
+#define VGA_MAP_MEM(x,s) ((unsigned long) ioremap((x), s))
+#else
+#define VGA_MAP_MEM(x,s) (x)
+#endif
+
+#define vga_readb(x) (*(x))
+#define vga_writeb(x,y) (*(y) = (x))
+
+#endif	/* __KERNEL__ */
+#endif	/* _ASM_POWERPC_VGA_H_ */