// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) Maxime Coquelin 2015 * Copyright (C) STMicroelectronics 2017-2024 * Author: Maxime Coquelin <[email protected]> */ #include <linux/bitops.h> #include <linux/hwspinlock.h> #include <linux/interrupt.h> #include <linux/io.h> #include <linux/irq.h> #include <linux/irqchip.h> #include <linux/irqdomain.h> #include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/of_address.h> #include <linux/of_irq.h> #include <linux/platform_device.h> #include <linux/pm.h> #include <dt-bindings/interrupt-controller/arm-gic.h> #define IRQS_PER_BANK … #define HWSPNLCK_TIMEOUT … #define EXTI_EnCIDCFGR(n) … #define EXTI_HWCFGR1 … /* Register: EXTI_EnCIDCFGR(n) */ #define EXTI_CIDCFGR_CFEN_MASK … #define EXTI_CIDCFGR_CID_MASK … #define EXTI_CIDCFGR_CID_SHIFT … /* Register: EXTI_HWCFGR1 */ #define EXTI_HWCFGR1_CIDWIDTH_MASK … #define EXTI_CID1 … struct stm32mp_exti_bank { … }; struct stm32mp_exti_drv_data { … }; struct stm32mp_exti_chip_data { … }; struct stm32mp_exti_host_data { … }; static const struct stm32mp_exti_bank stm32mp_exti_b1 = …; static const struct stm32mp_exti_bank stm32mp_exti_b2 = …; static const struct stm32mp_exti_bank stm32mp_exti_b3 = …; static const struct stm32mp_exti_bank *stm32mp_exti_banks[] = …; static struct irq_chip stm32mp_exti_chip; static struct irq_chip stm32mp_exti_chip_direct; #define EXTI_INVALID_IRQ … #define STM32MP_DESC_IRQ_SIZE … /* * Use some intentionally tricky logic here to initialize the whole array to * EXTI_INVALID_IRQ, but then override certain fields, requiring us to indicate * that we "know" that there are overrides in this structure, and we'll need to * disable that warning from W=1 builds. */ __diag_push(); __diag_ignore_all("-Woverride-init", "logic to initialize all and then override some is OK"); static const u8 stm32mp1_desc_irq[] = …; static const u8 stm32mp13_desc_irq[] = …; __diag_pop(); static const struct stm32mp_exti_drv_data stm32mp1_drv_data = …; static const struct stm32mp_exti_drv_data stm32mp13_drv_data = …; static int stm32mp_exti_convert_type(struct irq_data *d, unsigned int type, u32 *rtsr, u32 *ftsr) { … } static void stm32mp_chip_suspend(struct stm32mp_exti_chip_data *chip_data, u32 wake_active) { … } static void stm32mp_chip_resume(struct stm32mp_exti_chip_data *chip_data, u32 mask_cache) { … } /* directly set the target bit without reading first. */ static inline void stm32mp_exti_write_bit(struct irq_data *d, u32 reg) { … } static inline u32 stm32mp_exti_set_bit(struct irq_data *d, u32 reg) { … } static inline u32 stm32mp_exti_clr_bit(struct irq_data *d, u32 reg) { … } static void stm32mp_exti_eoi(struct irq_data *d) { … } static void stm32mp_exti_mask(struct irq_data *d) { … } static void stm32mp_exti_unmask(struct irq_data *d) { … } static int stm32mp_exti_set_type(struct irq_data *d, unsigned int type) { … } static int stm32mp_exti_set_wake(struct irq_data *d, unsigned int on) { … } static int stm32mp_exti_set_affinity(struct irq_data *d, const struct cpumask *dest, bool force) { … } static int stm32mp_exti_suspend(struct device *dev) { … } static int stm32mp_exti_resume(struct device *dev) { … } static int stm32mp_exti_retrigger(struct irq_data *d) { … } static struct irq_chip stm32mp_exti_chip = …; static struct irq_chip stm32mp_exti_chip_direct = …; static int stm32mp_exti_domain_alloc(struct irq_domain *dm, unsigned int virq, unsigned int nr_irqs, void *data) { … } static struct stm32mp_exti_chip_data *stm32mp_exti_chip_init(struct stm32mp_exti_host_data *h_data, u32 bank_idx, struct device_node *node) { … } static const struct irq_domain_ops stm32mp_exti_domain_ops = …; static void stm32mp_exti_check_rif(struct stm32mp_exti_host_data *host_data) { … } static void stm32mp_exti_remove_irq(void *data) { … } static int stm32mp_exti_probe(struct platform_device *pdev) { … } static const struct of_device_id stm32mp_exti_ids[] = …; MODULE_DEVICE_TABLE(of, stm32mp_exti_ids); static const struct dev_pm_ops stm32mp_exti_dev_pm_ops = …; static struct platform_driver stm32mp_exti_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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