drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.h

   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  */
  24 struct mdp5_ctl_manager;
  25 struct mdp5_ctl_manager *mdp5_ctlm_init(struct drm_device *dev,
  26                 void __iomem *mmio_base, const struct mdp5_cfg_hw *hw_cfg);
  27 void mdp5_ctlm_hw_reset(struct mdp5_ctl_manager *ctlm);
  28 void 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  */
  35 struct mdp5_ctl *mdp5_ctlm_request(struct mdp5_ctl_manager *ctlm, struct drm_crtc *crtc);
  36 int mdp5_ctl_get_ctl_id(struct mdp5_ctl *ctl);
  37
  38 struct mdp5_interface;
  39 int mdp5_ctl_set_intf(struct mdp5_ctl *ctl, struct mdp5_interface *intf);
  40 int mdp5_ctl_set_encoder_state(struct mdp5_ctl *ctl, bool enabled);
  41
  42 int 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  */
  50 static 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  */
  77 int 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  */
  85 u32 mdp_ctl_flush_mask_lm(int lm);
  86 u32 mdp_ctl_flush_mask_pipe(enum mdp5_pipe pipe);
  87 u32 mdp_ctl_flush_mask_cursor(int cursor_id);
  88 u32 mdp_ctl_flush_mask_encoder(struct mdp5_interface *intf);
  89
  90 /* @flush_mask: see CTL flush masks definitions below */
  91 int mdp5_ctl_commit(struct mdp5_ctl *ctl, u32 flush_mask);
  92
  93 void mdp5_ctl_release(struct mdp5_ctl *ctl);
  94
  95
  96
  97 #endif /* __MDP5_CTL_H__ */