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 000000000000..b4c98d44c5d0 --- /dev/null +++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.h @@ -0,0 +1,63 @@ +/* + * Copyright (C) 2016 Marek Vasut <marex@denx.de> + * + * i.MX23/i.MX28/i.MX6SX MXSFB LCD controller driver. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * 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 __MXSFB_DRV_H__ +#define __MXSFB_DRV_H__ + +struct mxsfb_devdata { + unsigned int transfer_count; + unsigned int cur_buf; + unsigned int next_buf; + unsigned int debug0; + unsigned int hs_wdth_mask; + unsigned int hs_wdth_shift; + unsigned int ipversion; + unsigned int flags; + unsigned int num_formats; +}; + +struct mxsfb_drm_private { + struct device *dev; + const struct mxsfb_devdata *devdata; + + void __iomem *base; /* registers */ + struct clk *clk; + struct clk *clk_axi; + struct clk *clk_disp_axi; + + struct drm_simple_display_pipe pipe; + struct drm_connector panel_connector; + struct drm_connector *connector; + struct drm_panel *panel; + struct drm_bridge *bridge; + struct drm_fbdev_cma *fbdev; + + struct drm_gem_cma_object *gem; + bool enabled; + bool suspended; +}; + +int mxsfb_setup_crtc(struct drm_device *dev); +int mxsfb_create_output(struct drm_device *dev); + +void mxsfb_enable_axi_clk(struct mxsfb_drm_private *mxsfb); +void mxsfb_disable_axi_clk(struct mxsfb_drm_private *mxsfb); + +void mxsfb_crtc_enable(struct mxsfb_drm_private *mxsfb); +void mxsfb_crtc_disable(struct mxsfb_drm_private *mxsfb); +void mxsfb_plane_atomic_update(struct mxsfb_drm_private *mxsfb, + struct drm_plane_state *old_state); + +#endif /* __MXSFB_DRV_H__ */ |