diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_tc.h')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_tc.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_tc.h b/drivers/gpu/drm/i915/display/intel_tc.h new file mode 100644 index 000000000000..783d75531435 --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_tc.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2019 Intel Corporation + */ + +#ifndef __INTEL_TC_H__ +#define __INTEL_TC_H__ + +#include <linux/mutex.h> +#include <linux/types.h> + +struct intel_digital_port; + +bool intel_tc_port_connected(struct intel_digital_port *dig_port); +u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port); +int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port); +void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port, + int required_lanes); + +void intel_tc_port_sanitize(struct intel_digital_port *dig_port); +void intel_tc_port_lock(struct intel_digital_port *dig_port); +void intel_tc_port_unlock(struct intel_digital_port *dig_port); +void intel_tc_port_get_link(struct intel_digital_port *dig_port, + int required_lanes); +void intel_tc_port_put_link(struct intel_digital_port *dig_port); +bool intel_tc_port_ref_held(struct intel_digital_port *dig_port); + +void intel_tc_port_init(struct intel_digital_port *dig_port, bool is_legacy); + +#endif /* __INTEL_TC_H__ */ |