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 __ALPHA_IRQFLAGS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define __ALPHA_IRQFLAGS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <asm/pal.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #define IPL_MIN		0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #define IPL_SW0		1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #define IPL_SW1		2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define IPL_DEV0	3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #define IPL_DEV1	4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define IPL_TIMER	5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define IPL_PERF	6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define IPL_POWERFAIL	6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define IPL_MCHECK	7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define IPL_MAX		7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #ifdef CONFIG_ALPHA_BROKEN_IRQ_MASK
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #undef IPL_MIN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define IPL_MIN		__min_ipl
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) extern int __min_ipl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define getipl()		(rdps() & 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define setipl(ipl)		((void) swpipl(ipl))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static inline unsigned long arch_local_save_flags(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	return rdps();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static inline void arch_local_irq_disable(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	setipl(IPL_MAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	barrier();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) static inline unsigned long arch_local_irq_save(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	unsigned long flags = swpipl(IPL_MAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	barrier();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	return flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) static inline void arch_local_irq_enable(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	barrier();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	setipl(IPL_MIN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) static inline void arch_local_irq_restore(unsigned long flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	barrier();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	setipl(flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	barrier();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) static inline bool arch_irqs_disabled_flags(unsigned long flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	return flags == IPL_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) static inline bool arch_irqs_disabled(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 	return arch_irqs_disabled_flags(getipl());
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #endif /* __ALPHA_IRQFLAGS_H */