57 #define DEV_CFG(dev) \  argument
58 	((const struct wdt_esp32_config *const)(dev)->config)
59 #define DEV_DATA(dev) \  argument
60 	((struct wdt_esp32_data *)(dev)->data)
61 #define DEV_BASE(dev) \  argument
62 	((volatile struct wdt_esp32_regs_t  *)(DEV_CFG(dev))->base)
68 static inline void wdt_esp32_seal(const struct device *dev)  in wdt_esp32_seal()  argument
70 	DEV_BASE(dev)->wprotect = 0U;  in wdt_esp32_seal()
74 static inline void wdt_esp32_unseal(const struct device *dev)  in wdt_esp32_unseal()  argument
76 	DEV_BASE(dev)->wprotect = TIMG_WDT_WKEY_VALUE;  in wdt_esp32_unseal()
79 static void wdt_esp32_enable(const struct device *dev)  in wdt_esp32_enable()  argument
81 	wdt_esp32_unseal(dev);  in wdt_esp32_enable()
82 	DEV_BASE(dev)->config0 |= BIT(TIMG_WDT_EN_S);  in wdt_esp32_enable()
83 	wdt_esp32_seal(dev);  in wdt_esp32_enable()
87 static int wdt_esp32_disable(const struct device *dev)  in wdt_esp32_disable()  argument
89 	wdt_esp32_unseal(dev);  in wdt_esp32_disable()
90 	DEV_BASE(dev)->config0 &= ~BIT(TIMG_WDT_EN_S);  in wdt_esp32_disable()
91 	wdt_esp32_seal(dev);  in wdt_esp32_disable()
96 static void adjust_timeout(const struct device *dev, uint32_t timeout)  in adjust_timeout()  argument
101 	DEV_BASE(dev)->config1 = 40000U;  in adjust_timeout()
102 	DEV_BASE(dev)->config2 = timeout;  in adjust_timeout()
103 	DEV_BASE(dev)->config3 = timeout;  in adjust_timeout()
108 static int wdt_esp32_feed(const struct device *dev, int channel_id)  in wdt_esp32_feed()  argument
110 	wdt_esp32_unseal(dev);  in wdt_esp32_feed()
111 	DEV_BASE(dev)->feed = 0xABAD1DEA; /* Writing any value to WDTFEED will reload it. */  in wdt_esp32_feed()
112 	wdt_esp32_seal(dev);  in wdt_esp32_feed()
117 static void set_interrupt_enabled(const struct device *dev, bool setting)  in set_interrupt_enabled()  argument
119 	*DEV_CFG(dev)->irq_regs.timer_int_clr |= TIMG_WDT_INT_CLR;  in set_interrupt_enabled()
122 		*DEV_CFG(dev)->irq_regs.timer_int_ena |= TIMG_WDT_INT_ENA;  in set_interrupt_enabled()
123 		irq_enable(DEV_DATA(dev)->irq_line);  in set_interrupt_enabled()
125 		*DEV_CFG(dev)->irq_regs.timer_int_ena &= ~TIMG_WDT_INT_ENA;  in set_interrupt_enabled()
126 		irq_disable(DEV_DATA(dev)->irq_line);  in set_interrupt_enabled()
130 static int wdt_esp32_set_config(const struct device *dev, uint8_t options)  in wdt_esp32_set_config()  argument
132 	struct wdt_esp32_data *data = DEV_DATA(dev);  in wdt_esp32_set_config()
133 	uint32_t v = DEV_BASE(dev)->config0;  in wdt_esp32_set_config()
166 	wdt_esp32_unseal(dev);  in wdt_esp32_set_config()
167 	DEV_BASE(dev)->config0 = v;  in wdt_esp32_set_config()
168 	adjust_timeout(dev, data->timeout);  in wdt_esp32_set_config()
169 	set_interrupt_enabled(dev, data->mode == WDT_MODE_INTERRUPT_RESET);  in wdt_esp32_set_config()
170 	wdt_esp32_seal(dev);  in wdt_esp32_set_config()
172 	wdt_esp32_feed(dev, 0);  in wdt_esp32_set_config()
177 static int wdt_esp32_install_timeout(const struct device *dev,  in wdt_esp32_install_timeout()  argument
180 	struct wdt_esp32_data *data = DEV_DATA(dev);  in wdt_esp32_install_timeout()
200 static int wdt_esp32_init(const struct device *dev)  in wdt_esp32_init()  argument
202 	const struct wdt_esp32_config *const config = DEV_CFG(dev);  in wdt_esp32_init()
203 	struct wdt_esp32_data *data = DEV_DATA(dev);  in wdt_esp32_init()
206 	wdt_esp32_disable(dev);  in wdt_esp32_init()
212 	data->irq_line = esp_intr_alloc(config->irq_source, 0, wdt_esp32_isr, (void *)dev, NULL);  in wdt_esp32_init()
214 	wdt_esp32_enable(dev);  in wdt_esp32_init()
247 	const struct device *dev = (const struct device *)arg;  in wdt_esp32_isr()  local
248 	struct wdt_esp32_data *data = DEV_DATA(dev);  in wdt_esp32_isr()
251 		data->callback(dev, 0);  in wdt_esp32_isr()
254 	*DEV_CFG(dev)->irq_regs.timer_int_clr |= TIMG_WDT_INT_CLR;  in wdt_esp32_isr()