diff options
Diffstat (limited to 'drivers/gpu/drm/mxsfb/mxsfb_drv.h')
| -rw-r--r-- | drivers/gpu/drm/mxsfb/mxsfb_drv.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.h b/drivers/gpu/drm/mxsfb/mxsfb_drv.h new file mode 100644 index 000000000..d160d921b --- /dev/null +++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.h @@ -0,0 +1,63 @@ +/* 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; + bool has_crc32; +}; + +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; + + unsigned int irq; + + 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; + + bool crc_active; +}; + +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__ */ |