/*
 * Copyright © 2009 Corbin Simpson
 * All Rights Reserved.
 *
 * 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 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 THE COPYRIGHT HOLDERS, AUTHORS
 * 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.
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 */
/*
 * Authors:
 *      Corbin Simpson <MostAwesomeDude@gmail.com>
 */
#ifndef RADEON_DRM_WINSYS_H
#define RADEON_DRM_WINSYS_H

#include "radeon_winsys.h"
#include "os/os_thread.h"

struct radeon_drm_cs;

enum radeon_generation {
    DRV_R300,
    DRV_R600,
    DRV_SI
};

struct radeon_drm_winsys {
    struct radeon_winsys base;

    int fd; /* DRM file descriptor */
    int num_cs; /* The number of command streams created. */

    enum radeon_generation gen;
    struct radeon_info info;

    struct pb_manager *kman;
    struct pb_manager *cman;
    struct radeon_surface_manager *surf_man;

    uint32_t num_cpus;      /* Number of CPUs. */

    struct radeon_drm_cs *hyperz_owner;
    pipe_mutex hyperz_owner_mutex;
    struct radeon_drm_cs *cmask_owner;
    pipe_mutex cmask_owner_mutex;

    /* rings submission thread */
    pipe_mutex cs_stack_lock;
    pipe_semaphore cs_queued;
    /* we cannot use semaphore for empty queue because maintaining an even
     * number of call to semaphore_wait and semaphore_signal is, to say the
     * least, tricky
     */
    pipe_condvar cs_queue_empty;
    pipe_thread thread;
    int kill_thread;
    int ncs;
    struct radeon_drm_cs *cs_stack[RING_LAST];
};

static INLINE struct radeon_drm_winsys *
radeon_drm_winsys(struct radeon_winsys *base)
{
    return (struct radeon_drm_winsys*)base;
}

void radeon_drm_ws_queue_cs(struct radeon_drm_winsys *ws, struct radeon_drm_cs *cs);

#endif
