summaryrefslogtreecommitdiff
path: root/drivers/hwtracing/intel_th/intel_th.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/hwtracing/intel_th/intel_th.h')
-rw-r--r--drivers/hwtracing/intel_th/intel_th.h30
1 files changed, 24 insertions, 6 deletions
diff --git a/drivers/hwtracing/intel_th/intel_th.h b/drivers/hwtracing/intel_th/intel_th.h
index 780206dc9012..0df480072b6c 100644
--- a/drivers/hwtracing/intel_th/intel_th.h
+++ b/drivers/hwtracing/intel_th/intel_th.h
@@ -8,6 +8,8 @@
#ifndef __INTEL_TH_H__
#define __INTEL_TH_H__
+#include <linux/irqreturn.h>
+
/* intel_th_device device types */
enum {
/* Devices that generate trace data */
@@ -18,6 +20,8 @@ enum {
INTEL_TH_SWITCH,
};
+struct intel_th_device;
+
/**
* struct intel_th_output - descriptor INTEL_TH_OUTPUT type devices
* @port: output port number, assigned by the switch
@@ -25,6 +29,7 @@ enum {
* @scratchpad: scratchpad bits to flag when this output is enabled
* @multiblock: true for multiblock output configuration
* @active: true when this output is enabled
+ * @wait_empty: wait for device pipeline to be empty
*
* Output port descriptor, used by switch driver to tell which output
* port this output device corresponds to. Filled in at output device's
@@ -42,10 +47,12 @@ struct intel_th_output {
/**
* struct intel_th_drvdata - describes hardware capabilities and quirks
* @tscu_enable: device needs SW to enable time stamping unit
+ * @has_mintctl: device has interrupt control (MINTCTL) register
* @host_mode_only: device can only operate in 'host debugger' mode
*/
struct intel_th_drvdata {
unsigned int tscu_enable : 1,
+ has_mintctl : 1,
host_mode_only : 1;
};
@@ -157,10 +164,13 @@ struct intel_th_driver {
struct intel_th_device *othdev);
void (*enable)(struct intel_th_device *thdev,
struct intel_th_output *output);
+ void (*trig_switch)(struct intel_th_device *thdev,
+ struct intel_th_output *output);
void (*disable)(struct intel_th_device *thdev,
struct intel_th_output *output);
/* output ops */
- void (*irq)(struct intel_th_device *thdev);
+ irqreturn_t (*irq)(struct intel_th_device *thdev);
+ void (*wait_empty)(struct intel_th_device *thdev);
int (*activate)(struct intel_th_device *thdev);
void (*deactivate)(struct intel_th_device *thdev);
/* file_operations for those who want a device node */
@@ -213,21 +223,23 @@ static inline struct intel_th *to_intel_th(struct intel_th_device *thdev)
struct intel_th *
intel_th_alloc(struct device *dev, struct intel_th_drvdata *drvdata,
- struct resource *devres, unsigned int ndevres, int irq);
+ struct resource *devres, unsigned int ndevres);
void intel_th_free(struct intel_th *th);
int intel_th_driver_register(struct intel_th_driver *thdrv);
void intel_th_driver_unregister(struct intel_th_driver *thdrv);
int intel_th_trace_enable(struct intel_th_device *thdev);
+int intel_th_trace_switch(struct intel_th_device *thdev);
int intel_th_trace_disable(struct intel_th_device *thdev);
int intel_th_set_output(struct intel_th_device *thdev,
unsigned int master);
int intel_th_output_enable(struct intel_th *th, unsigned int otype);
-enum {
+enum th_mmio_idx {
TH_MMIO_CONFIG = 0,
- TH_MMIO_SW = 2,
+ TH_MMIO_SW = 1,
+ TH_MMIO_RTIT = 2,
TH_MMIO_END,
};
@@ -237,6 +249,9 @@ enum {
#define TH_CONFIGURABLE_MASTERS 256
#define TH_MSC_MAX 2
+/* Maximum IRQ vectors */
+#define TH_NVEC_MAX 8
+
/**
* struct intel_th - Intel TH controller
* @dev: driver core's device
@@ -244,7 +259,7 @@ enum {
* @hub: "switch" subdevice (GTH)
* @resource: resources of the entire controller
* @num_thdevs: number of devices in the @thdev array
- * @num_resources: number or resources in the @resource array
+ * @num_resources: number of resources in the @resource array
* @irq: irq number
* @id: this Intel TH controller's device ID in the system
* @major: device node major for output devices
@@ -256,7 +271,7 @@ struct intel_th {
struct intel_th_device *hub;
struct intel_th_drvdata *drvdata;
- struct resource *resource;
+ struct resource resource[TH_MMIO_END];
int (*activate)(struct intel_th *);
void (*deactivate)(struct intel_th *);
unsigned int num_thdevs;
@@ -296,6 +311,9 @@ enum {
REG_TSCU_OFFSET = 0x2000,
REG_TSCU_LENGTH = 0x1000,
+ REG_CTS_OFFSET = 0x3000,
+ REG_CTS_LENGTH = 0x1000,
+
/* Software Trace Hub (STH) [0x4000..0x4fff] */
REG_STH_OFFSET = 0x4000,
REG_STH_LENGTH = 0x2000,