1 /* SPDX-License-Identifier: GPL-2.0 */
6 #include	<asm/hardware/coresight.h>
35  * CoreSight v1.0 Architecture Specification
41  * struct cti - cross trigger interface struct
42  * @base: mapped virtual address for the cti base
43  * @irq: irq number for the cti
47  * cti struct used to operate cti registers.
49 struct cti {  struct
56  * cti_init - initialize the cti instance  argument
57  * @cti: cti instance
58  * @base: mapped virtual address for the cti base
59  * @irq: irq number for the cti
64  * @base, @irq and @trig_out to cti.
66 static inline void cti_init(struct cti *cti,  in cti_init()  argument
69 	cti->base = base;  in cti_init()
70 	cti->irq  = irq;  in cti_init()
71 	cti->trig_out_for_irq = trig_out;  in cti_init()
75  * cti_map_trigger - use the @chan to map @trig_in to @trig_out
76  * @cti: cti instance
84 static inline void cti_map_trigger(struct cti *cti,  in cti_map_trigger()  argument
87 	void __iomem *base = cti->base;  in cti_map_trigger()
100  * cti_enable - enable the cti module
101  * @cti: cti instance
103  * enable the cti module
105 static inline void cti_enable(struct cti *cti)  in cti_enable()  argument
107 	__raw_writel(0x1, cti->base + CTICONTROL);  in cti_enable()
111  * cti_disable - disable the cti module
112  * @cti: cti instance
114  * enable the cti module
116 static inline void cti_disable(struct cti *cti)  in cti_disable()  argument
118 	__raw_writel(0, cti->base + CTICONTROL);  in cti_disable()
122  * cti_irq_ack - clear the cti irq
123  * @cti: cti instance
125  * clear the cti irq
127 static inline void cti_irq_ack(struct cti *cti)  in cti_irq_ack()  argument
129 	void __iomem *base = cti->base;  in cti_irq_ack()
133 	val |= BIT(cti->trig_out_for_irq);  in cti_irq_ack()
138  * cti_unlock - unlock cti module
139  * @cti: cti instance
141  * unlock the cti module, or else any writes to the cti
144 static inline void cti_unlock(struct cti *cti)  in cti_unlock()  argument
146 	__raw_writel(CS_LAR_KEY, cti->base + LOCKACCESS);  in cti_unlock()
150  * cti_lock - lock cti module
151  * @cti: cti instance
153  * lock the cti module, so any writes to the cti
156 static inline void cti_lock(struct cti *cti)  in cti_lock()  argument
158 	__raw_writel(~CS_LAR_KEY, cti->base + LOCKACCESS);  in cti_lock()