79 lines
1.8 KiB
C
79 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* RZ/G2L Display Unit DRM driver
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*
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* Copyright (C) 2023 Renesas Electronics Corporation
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*
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* Based on rcar_du_drv.h
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*/
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#ifndef __RZG2L_DU_DRV_H__
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#define __RZG2L_DU_DRV_H__
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#include <linux/kernel.h>
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#include <drm/drm_device.h>
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#include "rzg2l_du_crtc.h"
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#include "rzg2l_du_vsp.h"
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struct device;
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struct drm_property;
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enum rzg2l_du_output {
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RZG2L_DU_OUTPUT_DSI0,
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RZG2L_DU_OUTPUT_DPAD0,
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RZG2L_DU_OUTPUT_MAX,
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};
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/*
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* struct rzg2l_du_output_routing - Output routing specification
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* @possible_outputs: bitmask of possible outputs
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* @port: device tree port number corresponding to this output route
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*
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* The DU has 2 possible outputs (DPAD0, DSI0). Output routing data
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* specify the valid SoC outputs, which CRTC can drive the output, and the type
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* of in-SoC encoder for the output.
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*/
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struct rzg2l_du_output_routing {
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unsigned int possible_outputs;
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unsigned int port;
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};
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/*
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* struct rzg2l_du_device_info - DU model-specific information
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* @channels_mask: bit mask of available DU channels
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* @routes: array of CRTC to output routes, indexed by output (RZG2L_DU_OUTPUT_*)
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*/
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struct rzg2l_du_device_info {
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unsigned int channels_mask;
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struct rzg2l_du_output_routing routes[RZG2L_DU_OUTPUT_MAX];
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};
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#define RZG2L_DU_MAX_CRTCS 1
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#define RZG2L_DU_MAX_VSPS 1
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#define RZG2L_DU_MAX_DSI 1
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struct rzg2l_du_device {
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struct device *dev;
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const struct rzg2l_du_device_info *info;
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void __iomem *mmio;
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struct drm_device ddev;
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struct rzg2l_du_crtc crtcs[RZG2L_DU_MAX_CRTCS];
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unsigned int num_crtcs;
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struct rzg2l_du_vsp vsps[RZG2L_DU_MAX_VSPS];
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};
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static inline struct rzg2l_du_device *to_rzg2l_du_device(struct drm_device *dev)
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{
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return container_of(dev, struct rzg2l_du_device, ddev);
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}
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const char *rzg2l_du_output_name(enum rzg2l_du_output output);
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#endif /* __RZG2L_DU_DRV_H__ */
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