| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * Copyright (C) 2016 Marek Vasut <marex@denx.de> |
| * |
| * i.MX23/i.MX28/i.MX6SX MXSFB LCD controller driver. |
| */ |
| |
| #ifndef __MXSFB_DRV_H__ |
| #define __MXSFB_DRV_H__ |
| |
| #include <drm/drm_crtc.h> |
| #include <drm/drm_device.h> |
| #include <drm/drm_encoder.h> |
| #include <drm/drm_plane.h> |
| |
| struct clk; |
| |
| struct mxsfb_devdata { |
| unsigned int transfer_count; |
| unsigned int cur_buf; |
| unsigned int next_buf; |
| unsigned int hs_wdth_mask; |
| unsigned int hs_wdth_shift; |
| bool has_overlay; |
| bool has_ctrl2; |
| }; |
| |
| struct mxsfb_drm_private { |
| const struct mxsfb_devdata *devdata; |
| |
| void __iomem *base; /* registers */ |
| struct clk *clk; |
| struct clk *clk_axi; |
| struct clk *clk_disp_axi; |
| |
| struct drm_device *drm; |
| struct { |
| struct drm_plane primary; |
| struct drm_plane overlay; |
| } planes; |
| struct drm_crtc crtc; |
| struct drm_encoder encoder; |
| struct drm_connector *connector; |
| struct drm_bridge *bridge; |
| }; |
| |
| static inline struct mxsfb_drm_private * |
| to_mxsfb_drm_private(struct drm_device *drm) |
| { |
| return drm->dev_private; |
| } |
| |
| void mxsfb_enable_axi_clk(struct mxsfb_drm_private *mxsfb); |
| void mxsfb_disable_axi_clk(struct mxsfb_drm_private *mxsfb); |
| |
| int mxsfb_kms_init(struct mxsfb_drm_private *mxsfb); |
| |
| #endif /* __MXSFB_DRV_H__ */ |