xref: /openbmc/linux/arch/powerpc/include/asm/ps3gpu.h (revision 3dc4b6fb)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  *  PS3 GPU declarations.
4  *
5  *  Copyright 2009 Sony Corporation
6  */
7 
8 #ifndef _ASM_POWERPC_PS3GPU_H
9 #define _ASM_POWERPC_PS3GPU_H
10 
11 #include <linux/mutex.h>
12 
13 #include <asm/lv1call.h>
14 
15 
16 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC	0x101
17 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP	0x102
18 
19 #define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP	0x600
20 #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT		0x601
21 #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC	0x602
22 #define L1GPU_CONTEXT_ATTRIBUTE_FB_CLOSE	0x603
23 
24 #define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION	(1ULL << 32)
25 
26 #define L1GPU_DISPLAY_SYNC_HSYNC		1
27 #define L1GPU_DISPLAY_SYNC_VSYNC		2
28 
29 
30 /* mutex synchronizing GPU accesses and video mode changes */
31 extern struct mutex ps3_gpu_mutex;
32 
33 
34 static inline int lv1_gpu_display_sync(u64 context_handle, u64 head,
35 				       u64 ddr_offset)
36 {
37 	return lv1_gpu_context_attribute(context_handle,
38 					 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
39 					 head, ddr_offset, 0, 0);
40 }
41 
42 static inline int lv1_gpu_display_flip(u64 context_handle, u64 head,
43 				       u64 ddr_offset)
44 {
45 	return lv1_gpu_context_attribute(context_handle,
46 					 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
47 					 head, ddr_offset, 0, 0);
48 }
49 
50 static inline int lv1_gpu_fb_setup(u64 context_handle, u64 xdr_lpar,
51 				   u64 xdr_size, u64 ioif_offset)
52 {
53 	return lv1_gpu_context_attribute(context_handle,
54 					 L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
55 					 xdr_lpar, xdr_size, ioif_offset, 0);
56 }
57 
58 static inline int lv1_gpu_fb_blit(u64 context_handle, u64 ddr_offset,
59 				  u64 ioif_offset, u64 sync_width, u64 pitch)
60 {
61 	return lv1_gpu_context_attribute(context_handle,
62 					 L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
63 					 ddr_offset, ioif_offset, sync_width,
64 					 pitch);
65 }
66 
67 static inline int lv1_gpu_fb_close(u64 context_handle)
68 {
69 	return lv1_gpu_context_attribute(context_handle,
70 					 L1GPU_CONTEXT_ATTRIBUTE_FB_CLOSE, 0,
71 					 0, 0, 0);
72 }
73 
74 #endif /* _ASM_POWERPC_PS3GPU_H */
75