| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
|---|---|
| 2 | /* |
| 3 | * Copyright (C) 2016 Marek Vasut <marex@denx.de> |
| 4 | * |
| 5 | * i.MX23/i.MX28/i.MX6SX MXSFB LCD controller driver. |
| 6 | */ |
| 7 | |
| 8 | #ifndef __MXSFB_DRV_H__ |
| 9 | #define __MXSFB_DRV_H__ |
| 10 | |
| 11 | #include <drm/drm_crtc.h> |
| 12 | #include <drm/drm_device.h> |
| 13 | #include <drm/drm_encoder.h> |
| 14 | #include <drm/drm_plane.h> |
| 15 | |
| 16 | struct clk; |
| 17 | |
| 18 | struct mxsfb_devdata { |
| 19 | unsigned int transfer_count; |
| 20 | unsigned int cur_buf; |
| 21 | unsigned int next_buf; |
| 22 | unsigned int hs_wdth_mask; |
| 23 | unsigned int hs_wdth_shift; |
| 24 | bool has_overlay; |
| 25 | bool has_ctrl2; |
| 26 | bool has_crc32; |
| 27 | }; |
| 28 | |
| 29 | struct mxsfb_drm_private { |
| 30 | const struct mxsfb_devdata *devdata; |
| 31 | |
| 32 | void __iomem *base; /* registers */ |
| 33 | struct clk *clk; |
| 34 | struct clk *clk_axi; |
| 35 | struct clk *clk_disp_axi; |
| 36 | |
| 37 | unsigned int irq; |
| 38 | |
| 39 | struct drm_device *drm; |
| 40 | struct { |
| 41 | struct drm_plane primary; |
| 42 | struct drm_plane overlay; |
| 43 | } planes; |
| 44 | struct drm_crtc crtc; |
| 45 | struct drm_encoder encoder; |
| 46 | struct drm_connector *connector; |
| 47 | struct drm_bridge *bridge; |
| 48 | |
| 49 | bool crc_active; |
| 50 | }; |
| 51 | |
| 52 | static inline struct mxsfb_drm_private * |
| 53 | to_mxsfb_drm_private(struct drm_device *drm) |
| 54 | { |
| 55 | return drm->dev_private; |
| 56 | } |
| 57 | |
| 58 | void mxsfb_enable_axi_clk(struct mxsfb_drm_private *mxsfb); |
| 59 | void mxsfb_disable_axi_clk(struct mxsfb_drm_private *mxsfb); |
| 60 | |
| 61 | int mxsfb_kms_init(struct mxsfb_drm_private *mxsfb); |
| 62 | |
| 63 | #endif /* __MXSFB_DRV_H__ */ |
| 64 |