Pratyush Yadav | 15995ac | 2020-10-16 16:16:36 +0530 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * Copyright (C) 2020 Texas Instruments Inc. |
| 4 | * Pratyush Yadav <p.yadav@ti.com> |
| 5 | */ |
| 6 | #include <common.h> |
| 7 | #include <dm.h> |
| 8 | #include <mux.h> |
| 9 | #include <mux-internal.h> |
| 10 | #include <dt-bindings/mux/mux.h> |
| 11 | #include <asm/test.h> |
| 12 | #include <dm/test.h> |
| 13 | #include <test/ut.h> |
| 14 | #include <console.h> |
| 15 | #include <rand.h> |
| 16 | |
| 17 | #define BUF_SIZE 256 |
| 18 | |
| 19 | /* Test 'mux list' */ |
| 20 | static int dm_test_cmd_mux_list(struct unit_test_state *uts) |
| 21 | { |
| 22 | char str[BUF_SIZE], *tok; |
| 23 | struct udevice *dev; |
| 24 | struct mux_chip *chip; |
| 25 | struct mux_control *mux; |
| 26 | int i; |
| 27 | unsigned long val; |
| 28 | |
| 29 | sandbox_set_enable_memio(true); |
| 30 | |
| 31 | ut_assertok(uclass_get_device_by_name(UCLASS_MUX, "a-mux-controller", |
| 32 | &dev)); |
| 33 | chip = dev_get_uclass_priv(dev); |
| 34 | ut_assertnonnull(chip); |
| 35 | |
| 36 | run_command("mux list", 0); |
| 37 | ut_assert_nextline("a-mux-controller:"); |
| 38 | |
| 39 | /* |
| 40 | * Check the table header to make sure we are not out of sync with the |
| 41 | * code in the command. If we are, catch it early. |
| 42 | */ |
| 43 | console_record_readline(str, BUF_SIZE); |
| 44 | tok = strtok(str, " "); |
| 45 | ut_asserteq_str("ID", tok); |
| 46 | |
| 47 | tok = strtok(NULL, " "); |
| 48 | ut_asserteq_str("Selected", tok); |
| 49 | |
| 50 | tok = strtok(NULL, " "); |
| 51 | ut_asserteq_str("Current", tok); |
| 52 | tok = strtok(NULL, " "); |
| 53 | ut_asserteq_str("State", tok); |
| 54 | |
| 55 | tok = strtok(NULL, " "); |
| 56 | ut_asserteq_str("Idle", tok); |
| 57 | tok = strtok(NULL, " "); |
| 58 | ut_asserteq_str("State", tok); |
| 59 | |
| 60 | tok = strtok(NULL, " "); |
| 61 | ut_asserteq_str("Num", tok); |
| 62 | tok = strtok(NULL, " "); |
| 63 | ut_asserteq_str("States", tok); |
| 64 | |
| 65 | for (i = 0; i < chip->controllers; i++) { |
| 66 | mux = &chip->mux[i]; |
| 67 | |
| 68 | console_record_readline(str, BUF_SIZE); |
| 69 | |
| 70 | /* |
| 71 | * Check if the ID printed matches with the ID of the chip we |
| 72 | * have. |
| 73 | */ |
| 74 | tok = strtok(str, " "); |
| 75 | ut_assertok(strict_strtoul(tok, 10, &val)); |
| 76 | ut_asserteq(i, val); |
| 77 | |
| 78 | /* Check if mux selection state matches. */ |
| 79 | tok = strtok(NULL, " "); |
| 80 | if (mux->in_use) { |
| 81 | ut_asserteq_str("yes", tok); |
| 82 | } else { |
| 83 | ut_asserteq_str("no", tok); |
| 84 | } |
| 85 | |
| 86 | /* Check if the current state matches. */ |
| 87 | tok = strtok(NULL, " "); |
| 88 | if (mux->cached_state == MUX_IDLE_AS_IS) { |
| 89 | ut_asserteq_str("unknown", tok); |
| 90 | } else { |
| 91 | ut_assertok(strict_strtoul(tok, 16, &val)); |
| 92 | ut_asserteq(mux->cached_state, val); |
| 93 | } |
| 94 | |
| 95 | /* Check if the idle state matches */ |
| 96 | tok = strtok(NULL, " "); |
| 97 | if (mux->idle_state == MUX_IDLE_AS_IS) { |
| 98 | ut_asserteq_str("as-is", tok); |
| 99 | } else { |
| 100 | ut_assertok(strict_strtoul(tok, 16, &val)); |
| 101 | ut_asserteq(mux->idle_state, val); |
| 102 | } |
| 103 | |
| 104 | /* Check if the number of states matches */ |
| 105 | tok = strtok(NULL, " "); |
| 106 | ut_assertok(strict_strtoul(tok, 16, &val)); |
| 107 | ut_asserteq(mux->states, val); |
| 108 | } |
| 109 | |
| 110 | return 0; |
| 111 | } |
| 112 | DM_TEST(dm_test_cmd_mux_list, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); |
| 113 | |
| 114 | static int dm_test_cmd_mux_select(struct unit_test_state *uts) |
| 115 | { |
| 116 | struct udevice *dev; |
| 117 | struct mux_chip *chip; |
| 118 | struct mux_control *mux; |
| 119 | char cmd[BUF_SIZE]; |
| 120 | unsigned int i, state; |
| 121 | |
| 122 | sandbox_set_enable_memio(true); |
| 123 | |
| 124 | ut_assertok(uclass_get_device_by_name(UCLASS_MUX, "a-mux-controller", |
| 125 | &dev)); |
| 126 | chip = dev_get_uclass_priv(dev); |
| 127 | ut_assertnonnull(chip); |
| 128 | |
| 129 | srand(get_ticks() + rand()); |
| 130 | for (i = 0; i < chip->controllers; i++) { |
| 131 | mux = &chip->mux[i]; |
| 132 | |
| 133 | state = rand() % mux->states; |
| 134 | |
| 135 | snprintf(cmd, BUF_SIZE, "mux select a-mux-controller %x %x", i, |
| 136 | state); |
| 137 | run_command(cmd, 0); |
| 138 | ut_asserteq(!!mux->in_use, true); |
| 139 | ut_asserteq(state, mux->cached_state); |
| 140 | |
| 141 | ut_assertok(mux_control_deselect(mux)); |
| 142 | } |
| 143 | |
| 144 | return 0; |
| 145 | } |
| 146 | DM_TEST(dm_test_cmd_mux_select, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); |
| 147 | |
| 148 | static int dm_test_cmd_mux_deselect(struct unit_test_state *uts) |
| 149 | { |
| 150 | struct udevice *dev; |
| 151 | struct mux_chip *chip; |
| 152 | struct mux_control *mux; |
| 153 | char cmd[BUF_SIZE]; |
| 154 | unsigned int i, state; |
| 155 | |
| 156 | sandbox_set_enable_memio(true); |
| 157 | |
| 158 | ut_assertok(uclass_get_device_by_name(UCLASS_MUX, "a-mux-controller", |
| 159 | &dev)); |
| 160 | chip = dev_get_uclass_priv(dev); |
| 161 | ut_assertnonnull(chip); |
| 162 | |
| 163 | srand(get_ticks() + rand()); |
| 164 | for (i = 0; i < chip->controllers; i++) { |
| 165 | mux = &chip->mux[i]; |
| 166 | |
| 167 | state = rand() % mux->states; |
| 168 | ut_assertok(mux_control_select(mux, state)); |
| 169 | |
| 170 | snprintf(cmd, BUF_SIZE, "mux deselect a-mux-controller %d", i); |
| 171 | run_command(cmd, 0); |
| 172 | ut_asserteq(!!mux->in_use, false); |
| 173 | } |
| 174 | |
| 175 | return 0; |
| 176 | } |
| 177 | DM_TEST(dm_test_cmd_mux_deselect, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); |