LXR linux/arch/powerpc/include/asm/ps3gpu.h

   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 */
  43extern struct mutex ps3_gpu_mutex;
  44
  45
  46static 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
  54static 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
  62static 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
  70static 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
  79static 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