diff options
Diffstat (limited to 'drivers/hwtracing/intel_th/intel_th.h')
| -rw-r--r-- | drivers/hwtracing/intel_th/intel_th.h | 30 |
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, |