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usb: typec: displayport: Move the Configuration VDO helpers to the header 

The helpers used for reading and writing the pin assignment
from and to the Configuration VDO will be useful in GPU
drivers, and also UCSI driver after DisplayPort alt mode
support is added to it.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Heikki Krogerus 2019-02-01 13:47:54 +03:00 committed by Greg Kroah-Hartman
parent 25b0161450
commit 382e8fa80d
2 changed files with 4 additions and 4 deletions
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4
drivers/usb/typec/altmodes/displayport.c
View File

@ -24,10 +24,6 @@ enum {
DP_CONF_DUAL_D,
};
/* Helper for setting/getting the pin assignement value to the configuration */
#define DP_CONF_SET_PIN_ASSIGN(_a_) ((_a_) << 8)
#define DP_CONF_GET_PIN_ASSIGN(_conf_) (((_conf_) & GENMASK(15, 8)) >> 8)
/* Pin assignments that use USB3.1 Gen2 signaling to carry DP protocol */
#define DP_PIN_ASSIGN_GEN2_BR_MASK (BIT(DP_PIN_ASSIGN_A) | \
BIT(DP_PIN_ASSIGN_B))

4
include/linux/usb/typec_dp.h
View File

@ -92,4 +92,8 @@ enum {
#define DP_CONF_PIN_ASSIGNEMENT_SHIFT 8
#define DP_CONF_PIN_ASSIGNEMENT_MASK GENMASK(15, 8)
/* Helper for setting/getting the pin assignement value to the configuration */
#define DP_CONF_SET_PIN_ASSIGN(_a_) ((_a_) << 8)
#define DP_CONF_GET_PIN_ASSIGN(_conf_) (((_conf_) & GENMASK(15, 8)) >> 8)
#endif /* __USB_TYPEC_DP_H */