1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved. 4 * Copyright (C) 2013 Red Hat 5 * Author: Rob Clark <robdclark@gmail.com> 6 */ 7 8 #ifndef _DPU_PLANE_H_ 9 #define _DPU_PLANE_H_ 10 11 #include <drm/drm_crtc.h> 12 13 #include "dpu_kms.h" 14 #include "dpu_hw_mdss.h" 15 #include "dpu_hw_sspp.h" 16 17 /** 18 * struct dpu_plane_state: Define dpu extension of drm plane state object 19 * @base: base drm plane state object 20 * @aspace: pointer to address space for input/output buffers 21 * @stage: assigned by crtc blender 22 * @needs_qos_remap: qos remap settings need to be updated 23 * @multirect_index: index of the rectangle of SSPP 24 * @multirect_mode: parallel or time multiplex multirect mode 25 * @pending: whether the current update is still pending 26 * @plane_fetch_bw: calculated BW per plane 27 * @plane_clk: calculated clk per plane 28 * @needs_dirtyfb: whether attached CRTC needs pixel data explicitly flushed 29 * @rotation: simplified drm rotation hint 30 */ 31 struct dpu_plane_state { 32 struct drm_plane_state base; 33 struct msm_gem_address_space *aspace; 34 enum dpu_stage stage; 35 bool needs_qos_remap; 36 uint32_t multirect_index; 37 uint32_t multirect_mode; 38 bool pending; 39 40 u64 plane_fetch_bw; 41 u64 plane_clk; 42 43 bool needs_dirtyfb; 44 unsigned int rotation; 45 }; 46 47 /** 48 * struct dpu_multirect_plane_states: Defines multirect pair of drm plane states 49 * @r0: drm plane configured on rect 0 50 * @r1: drm plane configured on rect 1 51 */ 52 struct dpu_multirect_plane_states { 53 const struct drm_plane_state *r0; 54 const struct drm_plane_state *r1; 55 }; 56 57 #define to_dpu_plane_state(x) \ 58 container_of(x, struct dpu_plane_state, base) 59 60 /** 61 * dpu_plane_pipe - return sspp identifier for the given plane 62 * @plane: Pointer to DRM plane object 63 * Returns: sspp identifier of the given plane 64 */ 65 enum dpu_sspp dpu_plane_pipe(struct drm_plane *plane); 66 67 /** 68 * dpu_plane_flush - final plane operations before commit flush 69 * @plane: Pointer to drm plane structure 70 */ 71 void dpu_plane_flush(struct drm_plane *plane); 72 73 /** 74 * dpu_plane_set_error: enable/disable error condition 75 * @plane: pointer to drm_plane structure 76 */ 77 void dpu_plane_set_error(struct drm_plane *plane, bool error); 78 79 /** 80 * dpu_plane_init - create new dpu plane for the given pipe 81 * @dev: Pointer to DRM device 82 * @pipe: dpu hardware pipe identifier 83 * @type: Plane type - PRIMARY/OVERLAY/CURSOR 84 * @possible_crtcs: bitmask of crtc that can be attached to the given pipe 85 * 86 */ 87 struct drm_plane *dpu_plane_init(struct drm_device *dev, 88 uint32_t pipe, enum drm_plane_type type, 89 unsigned long possible_crtcs); 90 91 /** 92 * dpu_plane_validate_multirecti_v2 - validate the multirect planes 93 * against hw limitations 94 * @plane: drm plate states of the multirect pair 95 */ 96 int dpu_plane_validate_multirect_v2(struct dpu_multirect_plane_states *plane); 97 98 /** 99 * dpu_plane_clear_multirect - clear multirect bits for the given pipe 100 * @drm_state: Pointer to DRM plane state 101 */ 102 void dpu_plane_clear_multirect(const struct drm_plane_state *drm_state); 103 104 /** 105 * dpu_plane_color_fill - enables color fill on plane 106 * @plane: Pointer to DRM plane object 107 * @color: RGB fill color value, [23..16] Blue, [15..8] Green, [7..0] Red 108 * @alpha: 8-bit fill alpha value, 255 selects 100% alpha 109 * Returns: 0 on success 110 */ 111 int dpu_plane_color_fill(struct drm_plane *plane, 112 uint32_t color, uint32_t alpha); 113 114 #ifdef CONFIG_DEBUG_FS 115 void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable); 116 #else 117 static inline void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable) {} 118 #endif 119 120 #endif /* _DPU_PLANE_H_ */ 121