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/*
* Copyright © 2012 Intel Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Author: Benjamin Segovia <benjamin.segovia@intel.com>
*/
/*
* Copyright 2009 Intel Corporation
*
* 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, sub license, 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 (including the
* next paragraph) 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS 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 _INTEL_DRIVER_H_
#define _INTEL_DRIVER_H_
#include "cl_device_data.h"
#include <stdint.h>
#include <pthread.h>
#include <signal.h>
#include <xf86drm.h>
#include <drm.h>
#include <i915_drm.h>
#include <intel_bufmgr.h>
#include <intel/intel_gpgpu.h>
#define CMD_MI (0x0 << 29)
#define CMD_2D (0x2 << 29)
#define MI_NOOP (CMD_MI | 0)
#define MI_BATCH_BUFFER_END (CMD_MI | (0xA << 23))
#define XY_COLOR_BLT_CMD (CMD_2D | (0x50 << 22) | 0x04)
#define XY_COLOR_BLT_WRITE_ALPHA (1 << 21)
#define XY_COLOR_BLT_WRITE_RGB (1 << 20)
#define XY_COLOR_BLT_DST_TILED (1 << 11)
/* BR13 */
#define BR13_565 (0x1 << 24)
#define BR13_8888 (0x3 << 24)
struct dri_state;
struct intel_gpgpu_node;
typedef struct _XDisplay Display;
typedef struct intel_driver
{
dri_bufmgr *bufmgr;
drm_intel_context *ctx;
int fd;
int device_id;
int gen_ver;
sigset_t sa_mask;
pthread_mutex_t ctxmutex;
int locked;
int need_close;
Display *x11_display;
struct dri_state *dri_ctx;
struct intel_gpgpu_node *gpgpu_list;
} intel_driver_t;
#define SET_BLOCKED_SIGSET(DRIVER) do { \
sigset_t bl_mask; \
sigfillset(&bl_mask); \
sigdelset(&bl_mask, SIGFPE); \
sigdelset(&bl_mask, SIGILL); \
sigdelset(&bl_mask, SIGSEGV); \
sigdelset(&bl_mask, SIGBUS); \
sigdelset(&bl_mask, SIGKILL); \
pthread_sigmask(SIG_SETMASK, &bl_mask, &(DRIVER)->sa_mask); \
} while (0)
#define RESTORE_BLOCKED_SIGSET(DRIVER) do { \
pthread_sigmask(SIG_SETMASK, &(DRIVER)->sa_mask, NULL); \
} while (0)
#define PPTHREAD_MUTEX_LOCK(DRIVER) do { \
SET_BLOCKED_SIGSET(DRIVER); \
pthread_mutex_lock(&(DRIVER)->ctxmutex); \
} while (0)
#define PPTHREAD_MUTEX_UNLOCK(DRIVER) do { \
pthread_mutex_unlock(&(DRIVER)->ctxmutex); \
RESTORE_BLOCKED_SIGSET(DRIVER); \
} while (0)
/* device control */
extern void intel_driver_lock_hardware(intel_driver_t*);
extern void intel_driver_unlock_hardware(intel_driver_t*);
/* methods working in shared mode */
extern dri_bo* intel_driver_share_buffer(intel_driver_t*, const char *sname, uint32_t name);
extern uint32_t intel_driver_shared_name(intel_driver_t*, dri_bo*);
/* init driver shared with X using dri state, acquired from X Display */
extern int intel_driver_init_shared(intel_driver_t*, struct dri_state*);
/* init driver in master mode (when X is not using the card)
* usually dev_name = "/dev/dri/card0"
*/
extern int intel_driver_init_master(intel_driver_t*, const char* dev_name);
/* init driver for render node */
extern int intel_driver_init_render(intel_driver_t*, const char* dev_name);
/* terminate driver and all underlying structures */
extern int intel_driver_terminate(intel_driver_t*);
/* simple check if driver was initialized (checking fd should suffice) */
extern int intel_driver_is_active(intel_driver_t*);
/* init the call backs used by the ocl driver */
extern void intel_setup_callbacks(void);
#endif /* _INTEL_DRIVER_H_ */
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