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/*
* Copyright (c) 2015 MediaTek Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License 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 MTK_DRM_DDP_COMP_H
#define MTK_DRM_DDP_COMP_H
#include <linux/io.h>
struct device;
struct device_node;
struct drm_crtc;
struct drm_device;
struct mtk_plane_state;
enum mtk_ddp_comp_type {
MTK_DISP_OVL,
MTK_DISP_RDMA,
MTK_DISP_WDMA,
MTK_DISP_COLOR,
MTK_DISP_AAL,
MTK_DISP_GAMMA,
MTK_DISP_UFOE,
MTK_DSI,
MTK_DPI,
MTK_DISP_PWM,
MTK_DISP_MUTEX,
MTK_DISP_OD,
MTK_DDP_COMP_TYPE_MAX,
};
enum mtk_ddp_comp_id {
DDP_COMPONENT_AAL,
DDP_COMPONENT_COLOR0,
DDP_COMPONENT_COLOR1,
DDP_COMPONENT_DPI0,
DDP_COMPONENT_DSI0,
DDP_COMPONENT_DSI1,
DDP_COMPONENT_GAMMA,
DDP_COMPONENT_OD,
DDP_COMPONENT_OVL0,
DDP_COMPONENT_OVL1,
DDP_COMPONENT_PWM0,
DDP_COMPONENT_PWM1,
DDP_COMPONENT_RDMA0,
DDP_COMPONENT_RDMA1,
DDP_COMPONENT_RDMA2,
DDP_COMPONENT_UFOE,
DDP_COMPONENT_WDMA0,
DDP_COMPONENT_WDMA1,
DDP_COMPONENT_ID_MAX,
};
struct mtk_ddp_comp;
struct mtk_ddp_comp_funcs {
void (*config)(struct mtk_ddp_comp *comp, unsigned int w,
unsigned int h, unsigned int vrefresh);
void (*start)(struct mtk_ddp_comp *comp);
void (*stop)(struct mtk_ddp_comp *comp);
void (*enable_vblank)(struct mtk_ddp_comp *comp, struct drm_crtc *crtc);
void (*disable_vblank)(struct mtk_ddp_comp *comp);
void (*layer_on)(struct mtk_ddp_comp *comp, unsigned int idx);
void (*layer_off)(struct mtk_ddp_comp *comp, unsigned int idx);
void (*layer_config)(struct mtk_ddp_comp *comp, unsigned int idx,
struct mtk_plane_state *state);
};
struct mtk_ddp_comp {
struct clk *clk;
void __iomem *regs;
int irq;
struct device *larb_dev;
enum mtk_ddp_comp_id id;
const struct mtk_ddp_comp_funcs *funcs;
};
static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
unsigned int w, unsigned int h,
unsigned int vrefresh)
{
if (comp->funcs && comp->funcs->config)
comp->funcs->config(comp, w, h, vrefresh);
}
static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
{
if (comp->funcs && comp->funcs->start)
comp->funcs->start(comp);
}
static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
{
if (comp->funcs && comp->funcs->stop)
comp->funcs->stop(comp);
}
static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp,
struct drm_crtc *crtc)
{
if (comp->funcs && comp->funcs->enable_vblank)
comp->funcs->enable_vblank(comp, crtc);
}
static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp)
{
if (comp->funcs && comp->funcs->disable_vblank)
comp->funcs->disable_vblank(comp);
}
static inline void mtk_ddp_comp_layer_on(struct mtk_ddp_comp *comp,
unsigned int idx)
{
if (comp->funcs && comp->funcs->layer_on)
comp->funcs->layer_on(comp, idx);
}
static inline void mtk_ddp_comp_layer_off(struct mtk_ddp_comp *comp,
unsigned int idx)
{
if (comp->funcs && comp->funcs->layer_off)
comp->funcs->layer_off(comp, idx);
}
static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
unsigned int idx,
struct mtk_plane_state *state)
{
if (comp->funcs && comp->funcs->layer_config)
comp->funcs->layer_config(comp, idx, state);
}
int mtk_ddp_comp_get_id(struct device_node *node,
enum mtk_ddp_comp_type comp_type);
int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node,
struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id,
const struct mtk_ddp_comp_funcs *funcs);
int mtk_ddp_comp_register(struct drm_device *drm, struct mtk_ddp_comp *comp);
void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp *comp);
#endif /* MTK_DRM_DDP_COMP_H */
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