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 #include "etnaviv_perfmon.h"
33 
34 #include "os/os_thread.h"
35 #include "pipe/p_screen.h"
36 #include "renderonly/renderonly.h"
37 #include "util/set.h"
38 #include "util/slab.h"
39 #include "util/u_dynarray.h"
40 #include "util/u_helpers.h"
41 #include "compiler/nir/nir.h"
42 
43 struct etna_bo;
44 
45 /* Enum with indices for each of the feature words */
46 enum viv_features_word {
47    viv_chipFeatures = 0,
48    viv_chipMinorFeatures0 = 1,
49    viv_chipMinorFeatures1 = 2,
50    viv_chipMinorFeatures2 = 3,
51    viv_chipMinorFeatures3 = 4,
52    viv_chipMinorFeatures4 = 5,
53    viv_chipMinorFeatures5 = 6,
54    viv_chipMinorFeatures6 = 7,
55    VIV_FEATURES_WORD_COUNT /* Must be last */
56 };
57 
58 /** Convenience macro to probe features from state.xml.h:
59  * VIV_FEATURE(chipFeatures, FAST_CLEAR)
60  * VIV_FEATURE(chipMinorFeatures1, AUTO_DISABLE)
61  */
62 #define VIV_FEATURE(screen, word, feature) \
63    ((screen->features[viv_ ## word] & (word ## _ ## feature)) != 0)
64 
65 struct etna_screen {
66    struct pipe_screen base;
67 
68    int refcnt;
69    void *winsys_priv;
70 
71    struct etna_device *dev;
72    struct etna_gpu *gpu;
73    struct etna_pipe *pipe;
74    struct etna_perfmon *perfmon;
75    struct renderonly *ro;
76 
77    struct util_dynarray supported_pm_queries;
78    struct slab_parent_pool transfer_pool;
79 
80    uint32_t model;
81    uint32_t revision;
82    uint32_t features[VIV_FEATURES_WORD_COUNT];
83 
84    struct etna_specs specs;
85 
86    uint32_t drm_version;
87 
88    struct etna_compiler *compiler;
89    nir_shader_compiler_options options;
90 };
91 
92 static inline struct etna_screen *
etna_screen(struct pipe_screen * pscreen)93 etna_screen(struct pipe_screen *pscreen)
94 {
95    return (struct etna_screen *)pscreen;
96 }
97 
98 struct etna_bo *
99 etna_screen_bo_from_handle(struct pipe_screen *pscreen,
100                            struct winsys_handle *whandle);
101 
102 struct pipe_screen *
103 etna_screen_create(struct etna_device *dev, struct etna_gpu *gpu,
104                    struct renderonly *ro);
105 
106 #endif
107