1/* 2 * Copyright (c) 2014 The Linux Foundation. All rights reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 and 6 * only version 2 as published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 */ 13 14#ifndef __MDP5_CTL_H__ 15#define __MDP5_CTL_H__ 16 17#include "msm_drv.h" 18 19/* 20 * CTL Manager prototypes: 21 * mdp5_ctlm_init() returns a ctlm (CTL Manager) handler, 22 * which is then used to call the other mdp5_ctlm_*(ctlm, ...) functions. 23 */ 24struct mdp5_ctl_manager; 25struct mdp5_ctl_manager *mdp5_ctlm_init(struct drm_device *dev, 26 void __iomem *mmio_base, const struct mdp5_cfg_hw *hw_cfg); 27void mdp5_ctlm_hw_reset(struct mdp5_ctl_manager *ctlm); 28void mdp5_ctlm_destroy(struct mdp5_ctl_manager *ctlm); 29 30/* 31 * CTL prototypes: 32 * mdp5_ctl_request(ctlm, ...) returns a ctl (CTL resource) handler, 33 * which is then used to call the other mdp5_ctl_*(ctl, ...) functions. 34 */ 35struct mdp5_ctl *mdp5_ctlm_request(struct mdp5_ctl_manager *ctlm, struct drm_crtc *crtc); 36int mdp5_ctl_get_ctl_id(struct mdp5_ctl *ctl); 37 38struct mdp5_interface; 39int mdp5_ctl_set_intf(struct mdp5_ctl *ctl, struct mdp5_interface *intf); 40int mdp5_ctl_set_encoder_state(struct mdp5_ctl *ctl, bool enabled); 41 42int mdp5_ctl_set_cursor(struct mdp5_ctl *ctl, int cursor_id, bool enable); 43 44/* 45 * blend_cfg (LM blender config): 46 * 47 * The function below allows the caller of mdp5_ctl_blend() to specify how pipes 48 * are being blended according to their stage (z-order), through @blend_cfg arg. 49 */ 50static inline u32 mdp_ctl_blend_mask(enum mdp5_pipe pipe, 51 enum mdp_mixer_stage_id stage) 52{ 53 switch (pipe) { 54 case SSPP_VIG0: return MDP5_CTL_LAYER_REG_VIG0(stage); 55 case SSPP_VIG1: return MDP5_CTL_LAYER_REG_VIG1(stage); 56 case SSPP_VIG2: return MDP5_CTL_LAYER_REG_VIG2(stage); 57 case SSPP_RGB0: return MDP5_CTL_LAYER_REG_RGB0(stage); 58 case SSPP_RGB1: return MDP5_CTL_LAYER_REG_RGB1(stage); 59 case SSPP_RGB2: return MDP5_CTL_LAYER_REG_RGB2(stage); 60 case SSPP_DMA0: return MDP5_CTL_LAYER_REG_DMA0(stage); 61 case SSPP_DMA1: return MDP5_CTL_LAYER_REG_DMA1(stage); 62 case SSPP_VIG3: return MDP5_CTL_LAYER_REG_VIG3(stage); 63 case SSPP_RGB3: return MDP5_CTL_LAYER_REG_RGB3(stage); 64 default: return 0; 65 } 66} 67 68/* 69 * mdp5_ctl_blend() - Blend multiple layers on a Layer Mixer (LM) 70 * 71 * @blend_cfg: see LM blender config definition below 72 * 73 * Note: 74 * CTL registers need to be flushed after calling this function 75 * (call mdp5_ctl_commit() with mdp_ctl_flush_mask_ctl() mask) 76 */ 77int mdp5_ctl_blend(struct mdp5_ctl *ctl, u32 lm, u32 blend_cfg); 78 79/** 80 * mdp_ctl_flush_mask...() - Register FLUSH masks 81 * 82 * These masks are used to specify which block(s) need to be flushed 83 * through @flush_mask parameter in mdp5_ctl_commit(.., flush_mask). 84 */ 85u32 mdp_ctl_flush_mask_lm(int lm); 86u32 mdp_ctl_flush_mask_pipe(enum mdp5_pipe pipe); 87u32 mdp_ctl_flush_mask_cursor(int cursor_id); 88u32 mdp_ctl_flush_mask_encoder(struct mdp5_interface *intf); 89 90/* @flush_mask: see CTL flush masks definitions below */ 91int mdp5_ctl_commit(struct mdp5_ctl *ctl, u32 flush_mask); 92 93void mdp5_ctl_release(struct mdp5_ctl *ctl); 94 95 96 97#endif /* __MDP5_CTL_H__ */ 98