141 lines
2.7 KiB
C
141 lines
2.7 KiB
C
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/* Copyright 2013 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Test x86 backlight passthrough.
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*/
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#include "backlight.h"
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#include "common.h"
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#include "console.h"
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#include "hooks.h"
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#include "host_command.h"
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#include "lid_switch.h"
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#include "test_util.h"
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#include "timer.h"
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#include "util.h"
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static int mock_lid = 1;
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static int mock_pch_bklten;
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static int backlight_en;
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int gpio_get_level(enum gpio_signal signal)
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{
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if (signal == GPIO_LID_OPEN)
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return mock_lid;
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if (signal == GPIO_PCH_BKLTEN)
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return mock_pch_bklten;
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return 0;
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}
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void gpio_set_level(enum gpio_signal signal, int level)
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{
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if (signal == GPIO_ENABLE_BACKLIGHT)
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backlight_en = level;
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}
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void set_lid_state(int is_open)
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{
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mock_lid = is_open;
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lid_interrupt(GPIO_LID_OPEN);
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msleep(40);
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}
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void set_pch_bklten(int enabled)
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{
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int orig = mock_pch_bklten;
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mock_pch_bklten = enabled;
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if (orig != enabled)
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backlight_interrupt(GPIO_PCH_BKLTEN);
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}
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static int send_bklight_hostcmd(int enabled)
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{
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struct ec_params_switch_enable_backlight p;
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p.enabled = enabled;
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return test_send_host_command(EC_CMD_SWITCH_ENABLE_BKLIGHT, 0, &p,
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sizeof(p), NULL, 0);
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}
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static int test_passthrough(void)
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{
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/* Initial state */
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TEST_ASSERT(mock_lid == 1 && mock_pch_bklten == 0);
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TEST_ASSERT(!backlight_en);
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/* Enable backlight */
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set_pch_bklten(1);
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TEST_ASSERT(backlight_en);
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/* Disable backlight */
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set_pch_bklten(0);
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TEST_ASSERT(!backlight_en);
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/* Enable backlight again */
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set_pch_bklten(1);
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TEST_ASSERT(backlight_en);
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/* Close lid. Backlight should turn off */
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set_lid_state(0);
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TEST_ASSERT(!backlight_en);
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/* Open lid. Backlight turns on */
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set_lid_state(1);
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TEST_ASSERT(backlight_en);
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/* Close lid and disable backlight */
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set_lid_state(0);
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set_pch_bklten(0);
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TEST_ASSERT(!backlight_en);
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/* Open lid now. Backlight stays off */
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set_lid_state(1);
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TEST_ASSERT(!backlight_en);
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return EC_SUCCESS;
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}
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static int test_hostcommand(void)
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{
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/* Open lid and enable backlight */
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set_lid_state(1);
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set_pch_bklten(1);
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TEST_ASSERT(backlight_en);
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/* Disable by host command */
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send_bklight_hostcmd(0);
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TEST_ASSERT(!backlight_en);
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/* Close and open lid. Backlight should come up */
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set_lid_state(0);
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set_lid_state(1);
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TEST_ASSERT(backlight_en);
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/* Close lid and disable backlight */
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set_lid_state(0);
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set_pch_bklten(0);
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TEST_ASSERT(!backlight_en);
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/* Enable by host command */
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send_bklight_hostcmd(1);
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TEST_ASSERT(backlight_en);
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/* Disable backlight by lid */
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set_lid_state(1);
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set_lid_state(0);
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TEST_ASSERT(!backlight_en);
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return EC_SUCCESS;
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}
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void run_test(void)
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{
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test_reset();
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RUN_TEST(test_passthrough);
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RUN_TEST(test_hostcommand);
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test_print_result();
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}
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