| /** |
| * Copyright (C) ARM Limited 2012-2014. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| */ |
| |
| /** |
| * Test functions for mali_t600_hw code. |
| */ |
| |
| static int is_read_scheduled(const struct timespec *current_time, u32 *prev_time_s, s32 *next_read_time_ns); |
| |
| static int test_is_read_scheduled(u32 s, u32 ns, u32 prev_s, s32 next_ns, int expected_result, s32 expected_next_ns) |
| { |
| struct timespec current_time; |
| u32 prev_time_s = prev_s; |
| s32 next_read_time_ns = next_ns; |
| |
| current_time.tv_sec = s; |
| current_time.tv_nsec = ns; |
| |
| if (is_read_scheduled(¤t_time, &prev_time_s, &next_read_time_ns) != expected_result) { |
| printk("Failed do_read(%u, %u, %u, %d): expected %d\n", s, ns, prev_s, next_ns, expected_result); |
| return 0; |
| } |
| |
| if (next_read_time_ns != expected_next_ns) { |
| printk("Failed: next_read_ns expected=%d, actual=%d\n", expected_next_ns, next_read_time_ns); |
| return 0; |
| } |
| |
| return 1; |
| } |
| |
| static void test_all_is_read_scheduled(void) |
| { |
| const int HIGHEST_NS = 999999999; |
| int n_tests_passed = 0; |
| |
| printk("gator: running tests on %s\n", __FILE__); |
| |
| n_tests_passed += test_is_read_scheduled(0, 0, 0, 0, 1, READ_INTERVAL_NSEC); /* Null time */ |
| n_tests_passed += test_is_read_scheduled(100, 1000, 0, 0, 1, READ_INTERVAL_NSEC + 1000); /* Initial values */ |
| |
| n_tests_passed += test_is_read_scheduled(100, HIGHEST_NS, 100, HIGHEST_NS + 500, 0, HIGHEST_NS + 500); |
| n_tests_passed += test_is_read_scheduled(101, 0001, 100, HIGHEST_NS + 500, 0, HIGHEST_NS + 500 - NSEC_PER_SEC); |
| n_tests_passed += test_is_read_scheduled(101, 600, 100, HIGHEST_NS + 500 - NSEC_PER_SEC, 1, 600 + READ_INTERVAL_NSEC); |
| |
| n_tests_passed += test_is_read_scheduled(101, 600, 100, HIGHEST_NS + 500, 1, 600 + READ_INTERVAL_NSEC); |
| |
| printk("gator: %d tests passed\n", n_tests_passed); |
| } |