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/*
* Copyright (c) 2014 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __MDP5_CTL_H__
#define __MDP5_CTL_H__
#include "msm_drv.h"
/*
* CTL Manager prototypes:
* mdp5_ctlm_init() returns a ctlm (CTL Manager) handler,
* which is then used to call the other mdp5_ctlm_*(ctlm, ...) functions.
*/
struct mdp5_ctl_manager;
struct mdp5_ctl_manager *mdp5_ctlm_init(struct drm_device *dev,
void __iomem *mmio_base, const struct mdp5_cfg_hw *hw_cfg);
void mdp5_ctlm_hw_reset(struct mdp5_ctl_manager *ctlm);
void mdp5_ctlm_destroy(struct mdp5_ctl_manager *ctlm);
/*
* CTL prototypes:
* mdp5_ctl_request(ctlm, ...) returns a ctl (CTL resource) handler,
* which is then used to call the other mdp5_ctl_*(ctl, ...) functions.
*/
struct mdp5_ctl *mdp5_ctlm_request(struct mdp5_ctl_manager *ctlm, struct drm_crtc *crtc);
int mdp5_ctl_get_ctl_id(struct mdp5_ctl *ctl);
struct mdp5_interface;
int mdp5_ctl_set_intf(struct mdp5_ctl *ctl, struct mdp5_interface *intf);
int mdp5_ctl_set_encoder_state(struct mdp5_ctl *ctl, bool enabled);
int mdp5_ctl_set_cursor(struct mdp5_ctl *ctl, int cursor_id, bool enable);
/*
* blend_cfg (LM blender config):
*
* The function below allows the caller of mdp5_ctl_blend() to specify how pipes
* are being blended according to their stage (z-order), through @blend_cfg arg.
*/
static inline u32 mdp_ctl_blend_mask(enum mdp5_pipe pipe,
enum mdp_mixer_stage_id stage)
{
switch (pipe) {
case SSPP_VIG0: return MDP5_CTL_LAYER_REG_VIG0(stage);
case SSPP_VIG1: return MDP5_CTL_LAYER_REG_VIG1(stage);
case SSPP_VIG2: return MDP5_CTL_LAYER_REG_VIG2(stage);
case SSPP_RGB0: return MDP5_CTL_LAYER_REG_RGB0(stage);
case SSPP_RGB1: return MDP5_CTL_LAYER_REG_RGB1(stage);
case SSPP_RGB2: return MDP5_CTL_LAYER_REG_RGB2(stage);
case SSPP_DMA0: return MDP5_CTL_LAYER_REG_DMA0(stage);
case SSPP_DMA1: return MDP5_CTL_LAYER_REG_DMA1(stage);
case SSPP_VIG3: return MDP5_CTL_LAYER_REG_VIG3(stage);
case SSPP_RGB3: return MDP5_CTL_LAYER_REG_RGB3(stage);
default: return 0;
}
}
/*
* mdp5_ctl_blend() - Blend multiple layers on a Layer Mixer (LM)
*
* @blend_cfg: see LM blender config definition below
*
* Note:
* CTL registers need to be flushed after calling this function
* (call mdp5_ctl_commit() with mdp_ctl_flush_mask_ctl() mask)
*/
int mdp5_ctl_blend(struct mdp5_ctl *ctl, u32 lm, u32 blend_cfg);
/**
* mdp_ctl_flush_mask...() - Register FLUSH masks
*
* These masks are used to specify which block(s) need to be flushed
* through @flush_mask parameter in mdp5_ctl_commit(.., flush_mask).
*/
u32 mdp_ctl_flush_mask_lm(int lm);
u32 mdp_ctl_flush_mask_pipe(enum mdp5_pipe pipe);
u32 mdp_ctl_flush_mask_cursor(int cursor_id);
u32 mdp_ctl_flush_mask_encoder(struct mdp5_interface *intf);
/* @flush_mask: see CTL flush masks definitions below */
int mdp5_ctl_commit(struct mdp5_ctl *ctl, u32 flush_mask);
void mdp5_ctl_release(struct mdp5_ctl *ctl);
#endif /* __MDP5_CTL_H__ */
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