LXR linux/drivers/gpu/drm/msm/mdp/mdp5/mdp5

   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