ps3fb/vram: Extract common GPU stuff into <asm/ps3gpu.h>

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Cc: linux-fbdev-devel@lists.sourceforge.net
Cc: Jim Paris <jim@jtan.com>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 78 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/ps3gpu.h b/arch/powerpc/include/asm/ps3gpu.h
new file mode 100644
index 000000000000..1037efae4a51
--- /dev/null
+++ b/arch/powerpc/include/asm/ps3gpu.h
@@ -0,0 +1,78 @@
+/*
+ *  PS3 GPU declarations.
+ *
+ *  Copyright 2009 Sony Corporation
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; version 2 of the License.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _ASM_POWERPC_PS3GPU_H
+#define _ASM_POWERPC_PS3GPU_H
+
+#include <linux/mutex.h>
+
+#include <asm/lv1call.h>
+
+
+#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC	0x101
+#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP	0x102
+
+#define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP	0x600
+#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT		0x601
+#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC	0x602
+
+#define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION	(1ULL << 32)
+
+#define L1GPU_DISPLAY_SYNC_HSYNC		1
+#define L1GPU_DISPLAY_SYNC_VSYNC		2
+
+
+/* mutex synchronizing GPU accesses and video mode changes */
+extern struct mutex ps3_gpu_mutex;
+
+
+static inline int lv1_gpu_display_sync(u64 context_handle, u64 head,
+				       u64 ddr_offset)
+{
+	return lv1_gpu_context_attribute(context_handle,
+					 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
+					 head, ddr_offset, 0, 0);
+}
+
+static inline int lv1_gpu_display_flip(u64 context_handle, u64 head,
+				       u64 ddr_offset)
+{
+	return lv1_gpu_context_attribute(context_handle,
+					 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
+					 head, ddr_offset, 0, 0);
+}
+
+static inline int lv1_gpu_fb_setup(u64 context_handle, u64 xdr_lpar,
+				   u64 xdr_size, u64 ioif_offset)
+{
+	return lv1_gpu_context_attribute(context_handle,
+					 L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
+					 xdr_lpar, xdr_size, ioif_offset, 0);
+}
+
+static inline int lv1_gpu_fb_blit(u64 context_handle, u64 ddr_offset,
+				  u64 ioif_offset, u64 sync_width, u64 pitch)
+{
+	return lv1_gpu_context_attribute(context_handle,
+					 L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
+					 ddr_offset, ioif_offset, sync_width,
+					 pitch);
+}
+
+#endif /* _ASM_POWERPC_PS3GPU_H */