diff options
| author |   Mike Leach <mike.leach@linaro.org> | 2020-03-20 10:52:54 -0600 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-03-21 11:32:18 +0100 |
| commit | b5213376c240d3d1614b60c1140d643b1602400c (patch) | |
| tree | 2b6378df9b9c9d02ac392aa99b8edd8675a10750 /drivers/hwtracing/coresight/coresight-cti.h | |
| parent | coresight: cti: Add sysfs coresight mgmt register access (diff) | |
| download | linux-dev-b5213376c240d3d1614b60c1140d643b1602400c.tar.xz linux-dev-b5213376c240d3d1614b60c1140d643b1602400c.zip | |
coresight: cti: Add sysfs access to program function registers
Adds in sysfs programming support for the CTI function register sets.
Allows direct manipulation of channel / trigger association registers.
Signed-off-by: Mike Leach <mike.leach@linaro.org>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20200320165303.13681-4-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-cti.h')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-cti.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/coresight-cti.h b/drivers/hwtracing/coresight/coresight-cti.h index d0ac90f49544..35eb77b276c4 100644 --- a/drivers/hwtracing/coresight/coresight-cti.h +++ b/drivers/hwtracing/coresight/coresight-cti.h @@ -180,7 +180,15 @@ struct cti_trig_con *cti_allocate_trig_con(struct device *dev, int in_sigs, int out_sigs); int cti_enable(struct coresight_device *csdev); int cti_disable(struct coresight_device *csdev); +void cti_write_intack(struct device *dev, u32 ackval); +void cti_write_single_reg(struct cti_drvdata *drvdata, int offset, u32 value); struct coresight_platform_data * coresight_cti_get_platform_data(struct device *dev); +/* cti powered and enabled */ +static inline bool cti_active(struct cti_config *cfg) +{ + return cfg->hw_powered && cfg->hw_enabled; +} + #endif /* _CORESIGHT_CORESIGHT_CTI_H */ |