i915_hwmc.h revision fa225cbc 
1/*
2 * Copyright © 2006 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Authors:
24 *    Xiang Haihao <haihao.xiang@intel.com>
25 *
26 */
27#ifndef _I915_HWMC_H
28#define _I915_HWMC_H
29
30#include "i830_hwmc.h"
31
32/* i915 hw requires surface to be at least 1KB aligned */
33#define STRIDE(w)               (((w) + 0x3ff) & ~0x3ff)
34#define SIZE_Y420(w, h)         (h * STRIDE(w))
35#define SIZE_UV420(w, h)        ((h >> 1) * STRIDE(w >> 1))
36#define SIZE_YUV420(w, h)       (SIZE_Y420(w,h) + SIZE_UV420(w,h) * 2)
37#define SIZE_XX44(w, h)         (h * STRIDE(w))
38
39#define I915_NUM_XVMC_ATTRIBUTES       0x02
40#define I915_XVMC_VALID 0x80000000
41
42typedef struct
43{
44    struct _intel_xvmc_common comm;
45    unsigned int ctxno; /* XvMC private context reference number */
46    struct hwmc_buffer sis;
47    struct hwmc_buffer ssb;
48    struct hwmc_buffer msb;
49    struct hwmc_buffer psp;
50    struct hwmc_buffer psc;
51    struct hwmc_buffer corrdata;/* Correction Data Buffer */
52    int deviceID;
53} I915XvMCCreateContextRec;
54
55typedef struct
56{
57    unsigned int srfno;
58    struct hwmc_buffer srf;
59} I915XvMCCreateSurfaceRec;
60
61#endif /* _I915_HWMC_H */
62