nomali_test_ints.c revision 10915:71ace17ccb3d 
1/*
2 * Copyright (c) 2014-2015 ARM Limited
3 * All rights reserved
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 *     http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 * Authors: Andreas Sandberg
18 */
19
20#include <libnomali/nomali.h>
21#include <inttypes.h>
22
23#include "nomali_test_helpers.h"
24#include "../lib/mali_midg_regmap.h"
25
26static void
27on_int(nomali_handle_t h, void *usr, nomali_int_t intno, int set)
28{
29    test_diag("on_int: intno: %i, set: %i", intno, set);
30    *(int*)usr = !!set;
31}
32
33static void
34test_gpu_int(nomali_handle_t h)
35{
36    nomali_error_t error = NOMALI_E_OK;
37    int int_triggered = 0;
38    nomali_callback_t int_callback = {
39        .type = NOMALI_CALLBACK_INT,
40        .usr = &int_triggered,
41        .func.interrupt = on_int,
42    };
43
44    nomali_callback_t int_null_callback = {
45        .type = NOMALI_CALLBACK_INT,
46        .usr = NULL,
47        .func.interrupt = NULL,
48    };
49
50    /*
51     * Raise an interrupt without callbacks
52     */
53    E_NOMALI_BAIL(nomali_reg_write(h,
54                                   GPU_CONTROL_REG(GPU_IRQ_CLEAR),
55                                   GPU_IRQ_REG_ALL));
56
57    E_NOMALI_BAIL(nomali_reg_write(h, GPU_CONTROL_REG(GPU_IRQ_MASK),
58                                   GPU_FAULT));
59
60    E_NOMALI_BAIL(nomali_reg_write(h, GPU_CONTROL_REG(GPU_IRQ_RAWSTAT),
61                                   GPU_FAULT));
62
63    E_NOMALI_BAIL(nomali_reg_write(h,
64                                   GPU_CONTROL_REG(GPU_IRQ_CLEAR),
65                                   GPU_IRQ_REG_ALL));
66
67    /*
68     * Register callbacks and raise interrupt again.
69     */
70    E_NOMALI_BAIL(nomali_set_callback(h, &int_callback));
71    if (int_triggered != 0) {
72        test_diag("Got spurious interrupt\n");
73        test_fail("gpu_int");
74    }
75
76    E_NOMALI_BAIL(nomali_reg_write(h, GPU_CONTROL_REG(GPU_IRQ_RAWSTAT),
77                                   GPU_FAULT));
78    if (int_triggered == 1) {
79        test_ok("gpu_int");
80    } else {
81        test_fail("gpu_int");
82    }
83    int_triggered = 0;
84
85
86    /*
87     * Register mask interrupts and raise interrupt again.
88     */
89    E_NOMALI_BAIL(nomali_reg_write(h,
90                                   GPU_CONTROL_REG(GPU_IRQ_CLEAR),
91                                   GPU_IRQ_REG_ALL));
92    E_NOMALI_BAIL(nomali_reg_write(h, GPU_CONTROL_REG(GPU_IRQ_MASK),
93                                   0));
94    E_NOMALI_BAIL(nomali_reg_write(h, GPU_CONTROL_REG(GPU_IRQ_RAWSTAT),
95                                   GPU_FAULT));
96    if (int_triggered == 0) {
97        test_ok("gpu_int_masked");
98    } else {
99        test_fail("gpu_int_maked");
100    }
101    E_NOMALI_BAIL(nomali_reg_write(h,
102                                   GPU_CONTROL_REG(GPU_IRQ_CLEAR),
103                                   GPU_IRQ_REG_ALL));
104    E_NOMALI_BAIL(nomali_set_callback(h, &int_null_callback));
105}
106
107int
108main(int argc, char **argv)
109{
110    const nomali_config_t cfg = {
111        .type = NOMALI_GPU_T60X,
112        .ver_maj = 0,
113        .ver_min = 1,
114        .ver_status = 0,
115    };
116
117    nomali_handle_t h;
118    nomali_error_t error = NOMALI_E_OK;
119
120    E_NOMALI_BAIL(nomali_create(&h, &cfg));
121
122    test_gpu_int(h);
123
124    E_NOMALI_BAIL(nomali_destroy(h));
125
126    return 0;
127}
128