diff options
Diffstat (limited to 'drivers/gpu/drm/msm/dp/dp_aux.h')
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_aux.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_aux.h b/drivers/gpu/drm/msm/dp/dp_aux.h new file mode 100644 index 000000000000..f8b8ba919465 --- /dev/null +++ b/drivers/gpu/drm/msm/dp/dp_aux.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved. + */ + +#ifndef _DP_AUX_H_ +#define _DP_AUX_H_ + +#include "dp_catalog.h" +#include <drm/drm_dp_helper.h> + +#define DP_AUX_ERR_NONE 0 +#define DP_AUX_ERR_ADDR -1 +#define DP_AUX_ERR_TOUT -2 +#define DP_AUX_ERR_NACK -3 +#define DP_AUX_ERR_DEFER -4 +#define DP_AUX_ERR_NACK_DEFER -5 +#define DP_AUX_ERR_PHY -6 + +int dp_aux_register(struct drm_dp_aux *dp_aux); +void dp_aux_unregister(struct drm_dp_aux *dp_aux); +void dp_aux_isr(struct drm_dp_aux *dp_aux); +void dp_aux_init(struct drm_dp_aux *dp_aux); +void dp_aux_deinit(struct drm_dp_aux *dp_aux); +void dp_aux_reconfig(struct drm_dp_aux *dp_aux); + +struct drm_dp_aux *dp_aux_get(struct device *dev, struct dp_catalog *catalog); +void dp_aux_put(struct drm_dp_aux *aux); + +#endif /*__DP_AUX_H_*/ |