Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef __TIMER_OF_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define __TIMER_OF_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <linux/clockchips.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #define TIMER_OF_BASE	0x1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #define TIMER_OF_CLOCK	0x2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #define TIMER_OF_IRQ	0x4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) struct of_timer_irq {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	int irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	int index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	int percpu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	irq_handler_t handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct of_timer_base {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	void __iomem *base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	int index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) struct of_timer_clk {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	struct clk *clk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	int index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	unsigned long rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	unsigned long period;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct timer_of {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	unsigned int flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	struct clock_event_device clkevt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	struct of_timer_base of_base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	struct of_timer_irq  of_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	struct of_timer_clk  of_clk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	void *private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) static inline struct timer_of *to_timer_of(struct clock_event_device *clkevt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	return container_of(clkevt, struct timer_of, clkevt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) static inline void __iomem *timer_of_base(struct timer_of *to)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	return to->of_base.base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) static inline int timer_of_irq(struct timer_of *to)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	return to->of_irq.irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) static inline unsigned long timer_of_rate(struct timer_of *to)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	return to->of_clk.rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) static inline unsigned long timer_of_period(struct timer_of *to)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 	return to->of_clk.period;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) extern int timer_of_init(struct device_node *np,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 				struct timer_of *to);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) extern void timer_of_cleanup(struct timer_of *to);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) #endif