drivers/gpu/drm/mxsfb/mxsfb_drv.h

   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 struct mxsfb_devdata {
  12         unsigned int     transfer_count;
  13         unsigned int     cur_buf;
  14         unsigned int     next_buf;
  15         unsigned int     debug0;
  16         unsigned int     hs_wdth_mask;
  17         unsigned int     hs_wdth_shift;
  18         unsigned int     ipversion;
  19 };
  20
  21 struct mxsfb_drm_private {
  22         const struct mxsfb_devdata      *devdata;
  23
  24         void __iomem                    *base;  /* registers */
  25         struct clk                      *clk;
  26         struct clk                      *clk_axi;
  27         struct clk                      *clk_disp_axi;
  28
  29         struct drm_simple_display_pipe  pipe;
  30         struct drm_connector            panel_connector;
  31         struct drm_connector            *connector;
  32         struct drm_panel                *panel;
  33         struct drm_bridge               *bridge;
  34 };
  35
  36 int mxsfb_setup_crtc(struct drm_device *dev);
  37 int mxsfb_create_output(struct drm_device *dev);
  38
  39 void mxsfb_enable_axi_clk(struct mxsfb_drm_private *mxsfb);
  40 void mxsfb_disable_axi_clk(struct mxsfb_drm_private *mxsfb);
  41
  42 void mxsfb_crtc_enable(struct mxsfb_drm_private *mxsfb);
  43 void mxsfb_crtc_disable(struct mxsfb_drm_private *mxsfb);
  44 void mxsfb_plane_atomic_update(struct mxsfb_drm_private *mxsfb,
  45                                struct drm_plane_state *state);
  46
  47 #endif /* __MXSFB_DRV_H__ */