linux/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
CK Hu ff1395609e drm/mediatek: Move mtk_ddp_comp_init() from sub driver to DRM driver
Some ddp component exist in both display path and other path, so
sub driver should not directly call DRM driver's function. Moving
mtk_ddp_comp_init() from sub driver to DRM driver to achieve this.

Signed-off-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2021-01-07 06:28:16 +08:00

205 lines
5.7 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2015 MediaTek Inc.
*/
#ifndef MTK_DRM_DDP_COMP_H
#define MTK_DRM_DDP_COMP_H
#include <linux/io.h>
#include <linux/soc/mediatek/mtk-cmdq.h>
#include <linux/soc/mediatek/mtk-mmsys.h>
struct device;
struct device_node;
struct drm_crtc;
struct drm_device;
struct mtk_plane_state;
struct drm_crtc_state;
enum mtk_ddp_comp_type {
MTK_DISP_OVL,
MTK_DISP_OVL_2L,
MTK_DISP_RDMA,
MTK_DISP_WDMA,
MTK_DISP_COLOR,
MTK_DISP_CCORR,
MTK_DISP_DITHER,
MTK_DISP_AAL,
MTK_DISP_GAMMA,
MTK_DISP_UFOE,
MTK_DSI,
MTK_DPI,
MTK_DISP_PWM,
MTK_DISP_MUTEX,
MTK_DISP_OD,
MTK_DISP_BLS,
MTK_DDP_COMP_TYPE_MAX,
};
struct mtk_ddp_comp;
struct cmdq_pkt;
struct mtk_ddp_comp_funcs {
int (*clk_enable)(struct device *dev);
void (*clk_disable)(struct device *dev);
void (*config)(struct device *dev, unsigned int w,
unsigned int h, unsigned int vrefresh,
unsigned int bpc, struct cmdq_pkt *cmdq_pkt);
void (*start)(struct device *dev);
void (*stop)(struct device *dev);
void (*enable_vblank)(struct device *dev,
void (*vblank_cb)(void *),
void *vblank_cb_data);
void (*disable_vblank)(struct device *dev);
unsigned int (*supported_rotations)(struct device *dev);
unsigned int (*layer_nr)(struct device *dev);
int (*layer_check)(struct device *dev,
unsigned int idx,
struct mtk_plane_state *state);
void (*layer_config)(struct device *dev, unsigned int idx,
struct mtk_plane_state *state,
struct cmdq_pkt *cmdq_pkt);
void (*gamma_set)(struct device *dev,
struct drm_crtc_state *state);
void (*bgclr_in_on)(struct device *dev);
void (*bgclr_in_off)(struct device *dev);
void (*ctm_set)(struct device *dev,
struct drm_crtc_state *state);
};
struct mtk_ddp_comp {
struct device *dev;
int irq;
struct device *larb_dev;
enum mtk_ddp_comp_id id;
const struct mtk_ddp_comp_funcs *funcs;
};
static inline int mtk_ddp_comp_clk_enable(struct mtk_ddp_comp *comp)
{
if (comp->funcs && comp->funcs->clk_enable)
return comp->funcs->clk_enable(comp->dev);
return 0;
}
static inline void mtk_ddp_comp_clk_disable(struct mtk_ddp_comp *comp)
{
if (comp->funcs && comp->funcs->clk_disable)
comp->funcs->clk_disable(comp->dev);
}
static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
unsigned int w, unsigned int h,
unsigned int vrefresh, unsigned int bpc,
struct cmdq_pkt *cmdq_pkt)
{
if (comp->funcs && comp->funcs->config)
comp->funcs->config(comp->dev, w, h, vrefresh, bpc, cmdq_pkt);
}
static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
{
if (comp->funcs && comp->funcs->start)
comp->funcs->start(comp->dev);
}
static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
{
if (comp->funcs && comp->funcs->stop)
comp->funcs->stop(comp->dev);
}
static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp,
void (*vblank_cb)(void *),
void *vblank_cb_data)
{
if (comp->funcs && comp->funcs->enable_vblank)
comp->funcs->enable_vblank(comp->dev, vblank_cb, vblank_cb_data);
}
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->dev);
}
static inline
unsigned int mtk_ddp_comp_supported_rotations(struct mtk_ddp_comp *comp)
{
if (comp->funcs && comp->funcs->supported_rotations)
return comp->funcs->supported_rotations(comp->dev);
return 0;
}
static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp)
{
if (comp->funcs && comp->funcs->layer_nr)
return comp->funcs->layer_nr(comp->dev);
return 0;
}
static inline int mtk_ddp_comp_layer_check(struct mtk_ddp_comp *comp,
unsigned int idx,
struct mtk_plane_state *state)
{
if (comp->funcs && comp->funcs->layer_check)
return comp->funcs->layer_check(comp->dev, idx, state);
return 0;
}
static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
unsigned int idx,
struct mtk_plane_state *state,
struct cmdq_pkt *cmdq_pkt)
{
if (comp->funcs && comp->funcs->layer_config)
comp->funcs->layer_config(comp->dev, idx, state, cmdq_pkt);
}
static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
struct drm_crtc_state *state)
{
if (comp->funcs && comp->funcs->gamma_set)
comp->funcs->gamma_set(comp->dev, state);
}
static inline void mtk_ddp_comp_bgclr_in_on(struct mtk_ddp_comp *comp)
{
if (comp->funcs && comp->funcs->bgclr_in_on)
comp->funcs->bgclr_in_on(comp->dev);
}
static inline void mtk_ddp_comp_bgclr_in_off(struct mtk_ddp_comp *comp)
{
if (comp->funcs && comp->funcs->bgclr_in_off)
comp->funcs->bgclr_in_off(comp->dev);
}
static inline void mtk_ddp_ctm_set(struct mtk_ddp_comp *comp,
struct drm_crtc_state *state)
{
if (comp->funcs && comp->funcs->ctm_set)
comp->funcs->ctm_set(comp->dev, state);
}
int mtk_ddp_comp_get_id(struct device_node *node,
enum mtk_ddp_comp_type comp_type);
unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm,
struct device *dev);
int mtk_ddp_comp_init(struct device_node *comp_node, struct mtk_ddp_comp *comp,
enum mtk_ddp_comp_id comp_id);
enum mtk_ddp_comp_type mtk_ddp_comp_get_type(enum mtk_ddp_comp_id comp_id);
void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value,
struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
unsigned int offset);
void mtk_ddp_write_relaxed(struct cmdq_pkt *cmdq_pkt, unsigned int value,
struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
unsigned int offset);
void mtk_ddp_write_mask(struct cmdq_pkt *cmdq_pkt, unsigned int value,
struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
unsigned int offset, unsigned int mask);
#endif /* MTK_DRM_DDP_COMP_H */