drm/nouveau/nouveau_notifier.h

64 lines
2.6 KiB
C

/*
* Copyright 2007 Nouveau Project
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __NOUVEAU_NOTIFIER_H__
#define __NOUVEAU_NOTIFIER_H__
#define NV_NOTIFIER_SIZE 32
#define NV_NOTIFY_TIME_0 0x00000000
#define NV_NOTIFY_TIME_1 0x00000004
#define NV_NOTIFY_RETURN_VALUE 0x00000008
#define NV_NOTIFY_STATE 0x0000000C
#define NV_NOTIFY_STATE_STATUS_MASK 0xFF000000
#define NV_NOTIFY_STATE_STATUS_SHIFT 24
#define NV_NOTIFY_STATE_STATUS_COMPLETED 0x00
#define NV_NOTIFY_STATE_STATUS_IN_PROCESS 0x01
#define NV_NOTIFY_STATE_ERROR_CODE_MASK 0x0000FFFF
#define NV_NOTIFY_STATE_ERROR_CODE_SHIFT 0
struct nouveau_notifier {
struct nouveau_channel *channel;
uint32_t handle;
};
int
nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle, int count,
struct nouveau_notifier **);
void
nouveau_notifier_free(struct nouveau_notifier **);
void
nouveau_notifier_reset(struct nouveau_notifier *, int id);
uint32_t
nouveau_notifier_status(struct nouveau_notifier *, int id);
uint32_t
nouveau_notifier_return_val(struct nouveau_notifier *, int id);
int
nouveau_notifier_wait_status(struct nouveau_notifier *, int id, uint32_t status,
double timeout);
#endif