xref: /openbmc/linux/arch/powerpc/include/asm/ps3gpu.h (revision c204ff65)
1 /*
2  *  PS3 GPU declarations.
3  *
4  *  Copyright 2009 Sony Corporation
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; version 2 of the License.
9  *
10  *  This program is distributed in the hope that it will be useful,
11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  *  GNU General Public License for more details.
14  *
15  *  You should have received a copy of the GNU General Public License
16  *  along with this program.
17  *  If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef _ASM_POWERPC_PS3GPU_H
21 #define _ASM_POWERPC_PS3GPU_H
22 
23 #include <linux/mutex.h>
24 
25 #include <asm/lv1call.h>
26 
27 
28 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC	0x101
29 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP	0x102
30 
31 #define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP	0x600
32 #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT		0x601
33 #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC	0x602
34 #define L1GPU_CONTEXT_ATTRIBUTE_FB_CLOSE	0x603
35 
36 #define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION	(1ULL << 32)
37 
38 #define L1GPU_DISPLAY_SYNC_HSYNC		1
39 #define L1GPU_DISPLAY_SYNC_VSYNC		2
40 
41 
42 /* mutex synchronizing GPU accesses and video mode changes */
43 extern struct mutex ps3_gpu_mutex;
44 
45 
46 static inline int lv1_gpu_display_sync(u64 context_handle, u64 head,
47 				       u64 ddr_offset)
48 {
49 	return lv1_gpu_context_attribute(context_handle,
50 					 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
51 					 head, ddr_offset, 0, 0);
52 }
53 
54 static inline int lv1_gpu_display_flip(u64 context_handle, u64 head,
55 				       u64 ddr_offset)
56 {
57 	return lv1_gpu_context_attribute(context_handle,
58 					 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
59 					 head, ddr_offset, 0, 0);
60 }
61 
62 static inline int lv1_gpu_fb_setup(u64 context_handle, u64 xdr_lpar,
63 				   u64 xdr_size, u64 ioif_offset)
64 {
65 	return lv1_gpu_context_attribute(context_handle,
66 					 L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
67 					 xdr_lpar, xdr_size, ioif_offset, 0);
68 }
69 
70 static inline int lv1_gpu_fb_blit(u64 context_handle, u64 ddr_offset,
71 				  u64 ioif_offset, u64 sync_width, u64 pitch)
72 {
73 	return lv1_gpu_context_attribute(context_handle,
74 					 L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
75 					 ddr_offset, ioif_offset, sync_width,
76 					 pitch);
77 }
78 
79 static inline int lv1_gpu_fb_close(u64 context_handle)
80 {
81 	return lv1_gpu_context_attribute(context_handle,
82 					 L1GPU_CONTEXT_ATTRIBUTE_FB_CLOSE, 0,
83 					 0, 0, 0);
84 }
85 
86 #endif /* _ASM_POWERPC_PS3GPU_H */
87