/* SPDX-License-Identifier: GPL-2.0+ */ /* * R-Car Display Unit DRM driver * * Copyright (C) 2013-2015 Renesas Electronics Corporation * * Contact: Laurent Pinchart ([email protected]) */ #ifndef __RCAR_DU_DRV_H__ #define __RCAR_DU_DRV_H__ #include <linux/kernel.h> #include <linux/wait.h> #include <drm/drm_device.h> #include "rcar_cmm.h" #include "rcar_du_crtc.h" #include "rcar_du_group.h" #include "rcar_du_vsp.h" struct clk; struct device; struct drm_bridge; struct drm_property; struct rcar_du_device; #define RCAR_DU_FEATURE_CRTC_IRQ … #define RCAR_DU_FEATURE_CRTC_CLOCK … #define RCAR_DU_FEATURE_VSP1_SOURCE … #define RCAR_DU_FEATURE_INTERLACED … #define RCAR_DU_FEATURE_TVM_SYNC … #define RCAR_DU_FEATURE_NO_BLENDING … #define RCAR_DU_QUIRK_ALIGN_128B … enum rcar_du_output { … }; /* * struct rcar_du_output_routing - Output routing specification * @possible_crtcs: bitmask of possible CRTCs for the output * @port: device tree port number corresponding to this output route * * The DU has 5 possible outputs (DPAD0/1, LVDS0/1, TCON). Output routing data * specify the valid SoC outputs, which CRTCs can drive the output, and the type * of in-SoC encoder for the output. */ struct rcar_du_output_routing { … }; /* * struct rcar_du_device_info - DU model-specific information * @gen: device generation (2 or 3) * @features: device features (RCAR_DU_FEATURE_*) * @quirks: device quirks (RCAR_DU_QUIRK_*) * @channels_mask: bit mask of available DU channels * @routes: array of CRTC to output routes, indexed by output (RCAR_DU_OUTPUT_*) * @num_lvds: number of internal LVDS encoders * @num_rpf: number of RPFs in VSP * @dpll_mask: bit mask of DU channels equipped with a DPLL * @dsi_clk_mask: bitmask of channels that can use the DSI clock as dot clock * @lvds_clk_mask: bitmask of channels that can use the LVDS clock as dot clock */ struct rcar_du_device_info { … }; #define RCAR_DU_MAX_CRTCS … #define RCAR_DU_MAX_GROUPS … #define RCAR_DU_MAX_VSPS … #define RCAR_DU_MAX_LVDS … #define RCAR_DU_MAX_DSI … struct rcar_du_device { … }; static inline struct rcar_du_device *to_rcar_du_device(struct drm_device *dev) { … } static inline bool rcar_du_has(struct rcar_du_device *rcdu, unsigned int feature) { … } static inline bool rcar_du_needs(struct rcar_du_device *rcdu, unsigned int quirk) { … } static inline u32 rcar_du_read(struct rcar_du_device *rcdu, u32 reg) { … } static inline void rcar_du_write(struct rcar_du_device *rcdu, u32 reg, u32 data) { … } const char *rcar_du_output_name(enum rcar_du_output output); #endif /* __RCAR_DU_DRV_H__ */
Codebase Browser
linux