dpu_plane.h (4376B)
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 */ 31struct 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 */ 52struct 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 */ 65enum dpu_sspp dpu_plane_pipe(struct drm_plane *plane); 66 67/** 68 * is_dpu_plane_virtual - check for virtual plane 69 * @plane: Pointer to DRM plane object 70 * returns: true - if the plane is virtual 71 * false - if the plane is primary 72 */ 73bool is_dpu_plane_virtual(struct drm_plane *plane); 74 75/** 76 * dpu_plane_get_ctl_flush - get control flush mask 77 * @plane: Pointer to DRM plane object 78 * @ctl: Pointer to control hardware 79 * @flush_sspp: Pointer to sspp flush control word 80 */ 81void dpu_plane_get_ctl_flush(struct drm_plane *plane, struct dpu_hw_ctl *ctl, 82 u32 *flush_sspp); 83 84/** 85 * dpu_plane_flush - final plane operations before commit flush 86 * @plane: Pointer to drm plane structure 87 */ 88void dpu_plane_flush(struct drm_plane *plane); 89 90/** 91 * dpu_plane_set_error: enable/disable error condition 92 * @plane: pointer to drm_plane structure 93 */ 94void dpu_plane_set_error(struct drm_plane *plane, bool error); 95 96/** 97 * dpu_plane_init - create new dpu plane for the given pipe 98 * @dev: Pointer to DRM device 99 * @pipe: dpu hardware pipe identifier 100 * @type: Plane type - PRIMARY/OVERLAY/CURSOR 101 * @possible_crtcs: bitmask of crtc that can be attached to the given pipe 102 * @master_plane_id: primary plane id of a multirect pipe. 0 value passed for 103 * a regular plane initialization. A non-zero primary plane 104 * id will be passed for a virtual pipe initialization. 105 * 106 */ 107struct drm_plane *dpu_plane_init(struct drm_device *dev, 108 uint32_t pipe, enum drm_plane_type type, 109 unsigned long possible_crtcs, u32 master_plane_id); 110 111/** 112 * dpu_plane_validate_multirecti_v2 - validate the multirect planes 113 * against hw limitations 114 * @plane: drm plate states of the multirect pair 115 */ 116int dpu_plane_validate_multirect_v2(struct dpu_multirect_plane_states *plane); 117 118/** 119 * dpu_plane_clear_multirect - clear multirect bits for the given pipe 120 * @drm_state: Pointer to DRM plane state 121 */ 122void dpu_plane_clear_multirect(const struct drm_plane_state *drm_state); 123 124/** 125 * dpu_plane_color_fill - enables color fill on plane 126 * @plane: Pointer to DRM plane object 127 * @color: RGB fill color value, [23..16] Blue, [15..8] Green, [7..0] Red 128 * @alpha: 8-bit fill alpha value, 255 selects 100% alpha 129 * Returns: 0 on success 130 */ 131int dpu_plane_color_fill(struct drm_plane *plane, 132 uint32_t color, uint32_t alpha); 133 134#ifdef CONFIG_DEBUG_FS 135void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable); 136#else 137static inline void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable) {} 138#endif 139 140#endif /* _DPU_PLANE_H_ */