/*
* 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_CONTEXT_ATTRIBUTE_FB_CLOSE 0x603

#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);
}

static inline int lv1_gpu_fb_close(u64 context_handle)
{
return lv1_gpu_context_attribute(context_handle,
L1GPU_CONTEXT_ATTRIBUTE_FB_CLOSE, 0,
0, 0, 0);
}

#endif /* _ASM_POWERPC_PS3GPU_H */