test/dm/mux-cmd.c

   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);