4  * Copyright (c) 2024 Arnaud Minier <arnaud.minier@telecom-paris.fr>
5  * Copyright (c) 2024 Inès Varhol <ines.varhol@telecom-paris.fr>
8  * See the COPYING file in the top-level directory.
12 #include "libqtest-single.h"
84 #define GPIO_ADDR_MASK  (~(GPIO_SIZE - 1))
121     return (gpio_addr - GPIO_BASE_ADDR) / GPIO_SIZE;  in get_gpio_id()
137     r = qtest_qmp(global_qtest, "{ 'execute': 'qom-set', 'arguments': "  in disconnect_all_pins()
138         "{ 'path': %s, 'property': 'disconnected-pins', 'value': %d } }",  in disconnect_all_pins()
151     r = qtest_qmp(global_qtest, "{ 'execute': 'qom-get', 'arguments':"  in get_disconnected_pins()
152         " { 'path': %s, 'property': 'disconnected-pins'} }", path);  in get_disconnected_pins()
183      * (intput/output/analog : register MODER, push-pull/open-drain :  in test_idr_reset_value()
184      * register OTYPER, pull-up/pull-down/none : register PUPDR)  in test_idr_reset_value()
186      * (in case the pin is in output mode).  in test_idr_reset_value()
221     /* 15: pull-up, 14: pull-down, 13: pull-up, 12: neither ... */  in test_idr_reset_value()
236     /* ... 5: neither, 4: pull-up, 3: neither ... */  in test_idr_reset_value()
250     /* no pull-up or pull-down */  in test_idr_reset_value()
264     /* no pull-up or pull-down */  in test_idr_reset_value()
277      * when not in output mode are stored and not discarded.  in test_gpio_output_mode()
290     /* Configure the relevant line as output and check the pin is high */  in test_gpio_output_mode()
340      * Test that a floating pin with pull-up sets the pin  in test_pull_up_pull_down()
341      * high and vice-versa.  in test_pull_up_pull_down()
349     /* Configure a line as input with pull-up, check the line is set high */  in test_pull_up_pull_down()
355     /* Configure the line with pull-down, check the line is low */  in test_pull_up_pull_down()
369      * Test that configuring a line in push-pull output mode  in test_push_pull()
375     uint32_t gpio2 = GPIO_BASE_ADDR + (GPIO_H - gpio);  in test_push_pull()  local
379     /* Setting a line high externally, configuring it in push-pull output */  in test_push_pull()
386     /* Setting a line low externally, configuring it in push-pull output */  in test_push_pull()
388     gpio_set_irq(gpio2, pin, 0);  in test_push_pull()
389     gpio_set_bit(gpio2, ODR, pin, 1);  in test_push_pull()
390     gpio_set_2bits(gpio2, MODER, pin, MODER_OUTPUT);  in test_push_pull()
391     g_assert_cmphex(get_disconnected_pins(gpio2), ==, 0xFFFF);  in test_push_pull()
392     g_assert_cmphex(gpio_readl(gpio2, IDR), ==, reset(gpio2, IDR) | (1 << pin));  in test_push_pull()
394     /* Trying to set a push-pull output pin, checking it doesn't work */  in test_push_pull()
399     /* Trying to reset a push-pull output pin, checking it doesn't work */  in test_push_pull()
400     gpio_set_irq(gpio2, pin, 0);  in test_push_pull()
401     g_assert_cmphex(get_disconnected_pins(gpio2), ==, 0xFFFF);  in test_push_pull()
402     g_assert_cmphex(gpio_readl(gpio2, IDR), ==, reset(gpio2, IDR) | (1 << pin));  in test_push_pull()
406     gpio_writel(gpio2, ODR, reset(gpio2, ODR));  in test_push_pull()
407     gpio_writel(gpio2, MODER, reset(gpio2, MODER));  in test_push_pull()
413      * Test that configuring a line in open-drain output mode  in test_open_drain()
415      * can't be set high externally while configured in open-drain.  in test_open_drain()
418      * and it can be set low externally when in open-drain mode.  in test_open_drain()
422     uint32_t gpio2 = GPIO_BASE_ADDR + (GPIO_H - gpio);  in test_open_drain()  local
426     /* Setting a line high externally, configuring it in open-drain output */  in test_open_drain()
434     /* Setting a line low externally, configuring it in open-drain output */  in test_open_drain()
436     gpio_set_irq(gpio2, pin, 0);  in test_open_drain()
437     gpio_set_bit(gpio2, ODR, pin, 1);  in test_open_drain()
438     gpio_set_bit(gpio2, OTYPER, pin, OTYPER_OPEN_DRAIN);  in test_open_drain()
439     gpio_set_2bits(gpio2, MODER, pin, MODER_OUTPUT);  in test_open_drain()
440     g_assert_cmphex(get_disconnected_pins(gpio2), ==, 0xFFFF & ~(1 << pin));  in test_open_drain()
441     g_assert_cmphex(gpio_readl(gpio2, IDR), ==,  in test_open_drain()
442                                reset(gpio2, IDR) & ~(1 << pin));  in test_open_drain()
444     /* Trying to set a open-drain output pin, checking it doesn't work */  in test_open_drain()
449     /* Trying to reset a open-drain output pin, checking it works */  in test_open_drain()
452     g_assert_cmphex(get_disconnected_pins(gpio2), ==, 0xFFFF & ~(1 << pin));  in test_open_drain()
453     g_assert_cmphex(gpio_readl(gpio2, IDR), ==,  in test_open_drain()
454                                reset(gpio2, IDR) & ~(1 << pin));  in test_open_drain()
457     disconnect_all_pins(gpio2);  in test_open_drain()
458     gpio_writel(gpio2, OTYPER, reset(gpio2, OTYPER));  in test_open_drain()
459     gpio_writel(gpio2, ODR, reset(gpio2, ODR));  in test_open_drain()
460     gpio_writel(gpio2, MODER, reset(gpio2, MODER));  in test_open_drain()
461     g_assert_cmphex(gpio_readl(gpio2, IDR), ==, reset(gpio2, IDR));  in test_open_drain()
504      * For each GPIO, enable its clock in RCC  in test_clock_enable()
509     for (uint32_t gpio = GPIO_A; gpio <= GPIO_H; gpio += GPIO_B - GPIO_A) {  in test_clock_enable()
514         /* Enable the gpio clock */  in test_clock_enable()
575     qtest_start("-machine b-l475e-iot01a");  in main()