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) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Internal header to deal with irq_desc->status which will be renamed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * to irq_desc->settings.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 	_IRQ_DEFAULT_INIT_FLAGS	= IRQ_DEFAULT_INIT_FLAGS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 	_IRQ_PER_CPU		= IRQ_PER_CPU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) 	_IRQ_LEVEL		= IRQ_LEVEL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) 	_IRQ_NOPROBE		= IRQ_NOPROBE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) 	_IRQ_NOREQUEST		= IRQ_NOREQUEST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) 	_IRQ_NOTHREAD		= IRQ_NOTHREAD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 	_IRQ_NOAUTOEN		= IRQ_NOAUTOEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 	_IRQ_MOVE_PCNTXT	= IRQ_MOVE_PCNTXT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) 	_IRQ_NO_BALANCING	= IRQ_NO_BALANCING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 	_IRQ_NESTED_THREAD	= IRQ_NESTED_THREAD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 	_IRQ_PER_CPU_DEVID	= IRQ_PER_CPU_DEVID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 	_IRQ_IS_POLLED		= IRQ_IS_POLLED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 	_IRQ_DISABLE_UNLAZY	= IRQ_DISABLE_UNLAZY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 	_IRQ_HIDDEN		= IRQ_HIDDEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 	_IRQ_RAW		= IRQ_RAW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 	_IRQF_MODIFY_MASK	= IRQF_MODIFY_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #define IRQ_PER_CPU		GOT_YOU_MORON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #define IRQ_NO_BALANCING	GOT_YOU_MORON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #define IRQ_LEVEL		GOT_YOU_MORON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #define IRQ_NOPROBE		GOT_YOU_MORON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #define IRQ_NOREQUEST		GOT_YOU_MORON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #define IRQ_NOTHREAD		GOT_YOU_MORON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) #define IRQ_NOAUTOEN		GOT_YOU_MORON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #define IRQ_NESTED_THREAD	GOT_YOU_MORON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) #define IRQ_PER_CPU_DEVID	GOT_YOU_MORON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) #define IRQ_IS_POLLED		GOT_YOU_MORON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) #define IRQ_DISABLE_UNLAZY	GOT_YOU_MORON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) #define IRQ_HIDDEN		GOT_YOU_MORON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) #define IRQ_RAW			GOT_YOU_MORON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) #undef IRQF_MODIFY_MASK
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) #define IRQF_MODIFY_MASK	GOT_YOU_MORON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) __irq_settings_clr_and_set(struct irq_desc *desc, u32 clr, u32 set, u32 mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	desc->status_use_accessors &= ~(clr & mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	desc->status_use_accessors |= (set & mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) irq_settings_clr_and_set(struct irq_desc *desc, u32 clr, u32 set)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	__irq_settings_clr_and_set(desc, clr, set, _IRQF_MODIFY_MASK);
^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 bool irq_settings_is_per_cpu(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	return desc->status_use_accessors & _IRQ_PER_CPU;
^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 bool irq_settings_is_per_cpu_devid(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	return desc->status_use_accessors & _IRQ_PER_CPU_DEVID;
^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 void irq_settings_set_per_cpu(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	desc->status_use_accessors |= _IRQ_PER_CPU;
^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) static inline void irq_settings_set_no_balancing(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	desc->status_use_accessors |= _IRQ_NO_BALANCING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) static inline bool irq_settings_has_no_balance_set(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	return desc->status_use_accessors & _IRQ_NO_BALANCING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) static inline u32 irq_settings_get_trigger_mask(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	return desc->status_use_accessors & IRQ_TYPE_SENSE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) irq_settings_set_trigger_mask(struct irq_desc *desc, u32 mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	desc->status_use_accessors &= ~IRQ_TYPE_SENSE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	desc->status_use_accessors |= mask & IRQ_TYPE_SENSE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) static inline bool irq_settings_is_level(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	return desc->status_use_accessors & _IRQ_LEVEL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) static inline void irq_settings_clr_level(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	desc->status_use_accessors &= ~_IRQ_LEVEL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) static inline void irq_settings_set_level(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	desc->status_use_accessors |= _IRQ_LEVEL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) static inline bool irq_settings_can_request(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	return !(desc->status_use_accessors & _IRQ_NOREQUEST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) static inline void irq_settings_clr_norequest(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	desc->status_use_accessors &= ~_IRQ_NOREQUEST;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) static inline void irq_settings_set_norequest(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	desc->status_use_accessors |= _IRQ_NOREQUEST;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) static inline bool irq_settings_can_thread(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	return !(desc->status_use_accessors & _IRQ_NOTHREAD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) static inline void irq_settings_clr_nothread(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	desc->status_use_accessors &= ~_IRQ_NOTHREAD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) static inline void irq_settings_set_nothread(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	desc->status_use_accessors |= _IRQ_NOTHREAD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) static inline bool irq_settings_can_probe(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	return !(desc->status_use_accessors & _IRQ_NOPROBE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) static inline void irq_settings_clr_noprobe(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	desc->status_use_accessors &= ~_IRQ_NOPROBE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) static inline void irq_settings_set_noprobe(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	desc->status_use_accessors |= _IRQ_NOPROBE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) static inline bool irq_settings_can_move_pcntxt(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	return desc->status_use_accessors & _IRQ_MOVE_PCNTXT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) static inline bool irq_settings_can_autoenable(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	return !(desc->status_use_accessors & _IRQ_NOAUTOEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) static inline bool irq_settings_is_nested_thread(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	return desc->status_use_accessors & _IRQ_NESTED_THREAD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) static inline bool irq_settings_is_polled(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	return desc->status_use_accessors & _IRQ_IS_POLLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) static inline bool irq_settings_disable_unlazy(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	return desc->status_use_accessors & _IRQ_DISABLE_UNLAZY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) static inline void irq_settings_clr_disable_unlazy(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	desc->status_use_accessors &= ~_IRQ_DISABLE_UNLAZY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) static inline bool irq_settings_is_hidden(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	return desc->status_use_accessors & _IRQ_HIDDEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) static inline bool irq_settings_is_raw(struct irq_desc *desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	if (IS_ENABLED(CONFIG_ARCH_WANTS_IRQ_RAW))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 		return desc->status_use_accessors & _IRQ_RAW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	 * Using IRQ_RAW on architectures that don't expect it is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	 * likely to be wrong.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	WARN_ON_ONCE(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) }