asdk-libdrm

/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */

​

/*

 * Copyright (C) 2011 Texas Instruments, Inc

 *

 * 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 (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 NONINFRINGEMENT.  IN NO EVENT SHALL

 * THE AUTHORS OR COPYRIGHT HOLDERS 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.

 *

 * Authors:

 *    Rob Clark <rob@ti.com>

 */

​

#ifndef __OMAP_DRM_H__

#define __OMAP_DRM_H__

​

#include <stdint.h>

#include <drm.h>

​

/* Please note that modifications to all structs defined here are

 * subject to backwards-compatibility constraints.

 */

​

#define OMAP_PARAM_CHIPSET_ID   1   /* ie. 0x3430, 0x4430, etc */

​

struct drm_omap_param {

    uint64_t param;         /* in */

    uint64_t value;         /* in (set_param), out (get_param) */

};

​

struct drm_omap_get_base {

    char plugin_name[64];       /* in */

    uint32_t ioctl_base;        /* out */

    uint32_t __pad;

};

​

#define OMAP_BO_SCANOUT     0x00000001  /* scanout capable (phys contiguous) */

#define OMAP_BO_CACHE_MASK  0x00000006  /* cache type mask, see cache modes */

#define OMAP_BO_TILED_MASK  0x00000f00  /* tiled mapping mask, see tiled modes */

​

/* cache modes */

#define OMAP_BO_CACHED      0x00000000  /* default */

#define OMAP_BO_WC      0x00000002  /* write-combine */

#define OMAP_BO_UNCACHED    0x00000004  /* strongly-ordered (uncached) */

​

/* tiled modes */

#define OMAP_BO_TILED_8     0x00000100

#define OMAP_BO_TILED_16    0x00000200

#define OMAP_BO_TILED_32    0x00000300

#define OMAP_BO_TILED       (OMAP_BO_TILED_8 | OMAP_BO_TILED_16 | OMAP_BO_TILED_32)

​

union omap_gem_size {

    uint32_t bytes;     /* (for non-tiled formats) */

    struct {

        uint16_t width;

        uint16_t height;

    } tiled;        /* (for tiled formats) */

};

​

struct drm_omap_gem_new {

    union omap_gem_size size;   /* in */

    uint32_t flags;         /* in */

    uint32_t handle;        /* out */

    uint32_t __pad;

};

​

/* mask of operations: */

enum omap_gem_op {

    OMAP_GEM_READ = 0x01,

    OMAP_GEM_WRITE = 0x02,

};

​

struct drm_omap_gem_cpu_prep {

    uint32_t handle;        /* buffer handle (in) */

    uint32_t op;            /* mask of omap_gem_op (in) */

};

​