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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 (at) gmail.com>
     25  *    Christian Gmeiner <christian.gmeiner (at) 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 *
     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