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1 /*
2  * Copyright (c) 2012-2015 Etnaviv Project
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, sub license,
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
12  * next paragraph) shall be included in all copies or substantial portions
13  * of the 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 NON-INFRINGEMENT. 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
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21  * DEALINGS IN THE SOFTWARE.
22  *
23  * Authors:
24  *    Wladimir J. van der Laan <laanwj@gmail.com>
25  *    Christian Gmeiner <christian.gmeiner@gmail.com>
26  */
27 
28 #ifndef H_ETNAVIV_SCREEN
29 #define H_ETNAVIV_SCREEN
30 
31 #include "etnaviv_internal.h"
32 
33 #include "os/os_thread.h"
34 #include "pipe/p_screen.h"
35 #include "renderonly/renderonly.h"
36 #include "util/slab.h"
37 
38 struct etna_bo;
39 
40 /* Enum with indices for each of the feature words */
41 enum viv_features_word {
42    viv_chipFeatures = 0,
43    viv_chipMinorFeatures0 = 1,
44    viv_chipMinorFeatures1 = 2,
45    viv_chipMinorFeatures2 = 3,
46    viv_chipMinorFeatures3 = 4,
47    viv_chipMinorFeatures4 = 5,
48    viv_chipMinorFeatures5 = 6,
49    VIV_FEATURES_WORD_COUNT /* Must be last */
50 };
51 
52 /** Convenience macro to probe features from state.xml.h:
53  * VIV_FEATURE(chipFeatures, FAST_CLEAR)
54  * VIV_FEATURE(chipMinorFeatures1, AUTO_DISABLE)
55  */
56 #define VIV_FEATURE(screen, word, feature) \
57    ((screen->features[viv_ ## word] & (word ## _ ## feature)) != 0)
58 
59 struct etna_screen {
60    struct pipe_screen base;
61 
62    int refcnt;
63    void *winsys_priv;
64 
65    struct etna_device *dev;
66    struct etna_gpu *gpu;
67    struct etna_pipe *pipe;
68    struct renderonly *ro;
69 
70    struct slab_parent_pool transfer_pool;
71 
72    uint32_t model;
73    uint32_t revision;
74    uint32_t features[VIV_FEATURES_WORD_COUNT];
75 
76    struct etna_specs specs;
77 
78    uint32_t drm_version;
79 };
80 
81 static inline struct etna_screen *
etna_screen(struct pipe_screen * pscreen)82 etna_screen(struct pipe_screen *pscreen)
83 {
84    return (struct etna_screen *)pscreen;
85 }
86 
87 struct etna_bo *
88 etna_screen_bo_from_handle(struct pipe_screen *pscreen,
89                            struct winsys_handle *whandle, unsigned *out_stride);
90 
91 struct pipe_screen *
92 etna_screen_create(struct etna_device *dev, struct etna_gpu *gpu,
93                    struct renderonly *ro);
94 
95 #endif
96