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path: root/drivers/hwtracing/coresight/coresight-priv.h
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Diffstat (limited to 'drivers/hwtracing/coresight/coresight-priv.h')
-rw-r--r--drivers/hwtracing/coresight/coresight-priv.h36
1 files changed, 25 insertions, 11 deletions
diff --git a/drivers/hwtracing/coresight/coresight-priv.h b/drivers/hwtracing/coresight/coresight-priv.h
index 595ce5862056..767076e07970 100644
--- a/drivers/hwtracing/coresight/coresight-priv.h
+++ b/drivers/hwtracing/coresight/coresight-priv.h
@@ -82,12 +82,6 @@ enum etm_addr_type {
ETM_ADDR_TYPE_STOP,
};
-enum cs_mode {
- CS_MODE_DISABLED,
- CS_MODE_SYSFS,
- CS_MODE_PERF,
-};
-
/**
* struct cs_buffer - keep track of a recording session' specifics
* @cur: index of the current buffer
@@ -133,7 +127,8 @@ static inline void CS_UNLOCK(void __iomem *addr)
}
void coresight_disable_path(struct list_head *path);
-int coresight_enable_path(struct list_head *path, u32 mode, void *sink_data);
+int coresight_enable_path(struct list_head *path, enum cs_mode mode,
+ void *sink_data);
struct coresight_device *coresight_get_sink(struct list_head *path);
struct coresight_device *
coresight_get_enabled_sink(struct coresight_device *source);
@@ -193,12 +188,27 @@ extern void coresight_remove_cti_ops(void);
}
/* coresight AMBA ID, full UCI structure: id table entry. */
-#define CS_AMBA_UCI_ID(pid, uci_ptr) \
+#define __CS_AMBA_UCI_ID(pid, m, uci_ptr) \
{ \
.id = pid, \
- .mask = 0x000fffff, \
+ .mask = m, \
.data = (void *)uci_ptr \
}
+#define CS_AMBA_UCI_ID(pid, uci) __CS_AMBA_UCI_ID(pid, 0x000fffff, uci)
+/*
+ * PIDR2[JEDEC], BIT(3) must be 1 (Read As One) to indicate that rest of the
+ * PIDR1, PIDR2 DES_* fields follow JEDEC encoding for the designer. Use that
+ * as a match value for blanket matching all devices in the given CoreSight
+ * device type and architecture.
+ */
+#define PIDR2_JEDEC BIT(3)
+#define PID_PIDR2_JEDEC (PIDR2_JEDEC << 16)
+/*
+ * Match all PIDs in a given CoreSight device type and architecture, defined
+ * by the uci.
+ */
+#define CS_AMBA_MATCH_ALL_UCI(uci) \
+ __CS_AMBA_UCI_ID(PID_PIDR2_JEDEC, PID_PIDR2_JEDEC, uci)
/* extract the data value from a UCI structure given amba_id pointer. */
static inline void *coresight_get_uci_data(const struct amba_id *id)
@@ -212,13 +222,17 @@ static inline void *coresight_get_uci_data(const struct amba_id *id)
}
void coresight_release_platform_data(struct coresight_device *csdev,
+ struct device *dev,
struct coresight_platform_data *pdata);
struct coresight_device *
coresight_find_csdev_by_fwnode(struct fwnode_handle *r_fwnode);
-void coresight_set_assoc_ectdev_mutex(struct coresight_device *csdev,
- struct coresight_device *ect_csdev);
+void coresight_add_helper(struct coresight_device *csdev,
+ struct coresight_device *helper);
void coresight_set_percpu_sink(int cpu, struct coresight_device *csdev);
struct coresight_device *coresight_get_percpu_sink(int cpu);
+int coresight_enable_source(struct coresight_device *csdev, enum cs_mode mode,
+ void *data);
+bool coresight_disable_source(struct coresight_device *csdev, void *data);
#endif