diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_gmbus.h')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_gmbus.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_gmbus.h b/drivers/gpu/drm/i915/display/intel_gmbus.h new file mode 100644 index 000000000000..d989085b8d22 --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_gmbus.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2019 Intel Corporation + */ + +#ifndef __INTEL_GMBUS_H__ +#define __INTEL_GMBUS_H__ + +#include <linux/types.h> + +struct drm_i915_private; +struct i2c_adapter; + +int intel_gmbus_setup(struct drm_i915_private *dev_priv); +void intel_gmbus_teardown(struct drm_i915_private *dev_priv); +bool intel_gmbus_is_valid_pin(struct drm_i915_private *dev_priv, + unsigned int pin); +int intel_gmbus_output_aksv(struct i2c_adapter *adapter); + +struct i2c_adapter * +intel_gmbus_get_adapter(struct drm_i915_private *dev_priv, unsigned int pin); +void intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed); +void intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit); +bool intel_gmbus_is_forced_bit(struct i2c_adapter *adapter); +void intel_gmbus_reset(struct drm_i915_private *dev_priv); + +#endif /* __INTEL_GMBUS_H__ */ |