forked from Minki/linux
d023404366
Currently, the MXSFB DRM driver only supports a panel. But, its output display signal can also be redirected to another encoder, like a DSI controller. In this case, that DSI controller may act like a drm_bridge. In order support this use-case too, this patch adds support for drm_bridge in mxsfb. Signed-off-by: Robert Chiras <robert.chiras@nxp.com> Tested-by: Guido Günther <agx@sigxcpu.org> Signed-off-by: Stefan Agner <stefan@agner.ch> Link: https://patchwork.freedesktop.org/patch/msgid/1567078215-31601-2-git-send-email-robert.chiras@nxp.com
48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2016 Marek Vasut <marex@denx.de>
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*
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* i.MX23/i.MX28/i.MX6SX MXSFB LCD controller driver.
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*/
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#ifndef __MXSFB_DRV_H__
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#define __MXSFB_DRV_H__
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struct mxsfb_devdata {
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unsigned int transfer_count;
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unsigned int cur_buf;
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unsigned int next_buf;
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unsigned int debug0;
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unsigned int hs_wdth_mask;
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unsigned int hs_wdth_shift;
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unsigned int ipversion;
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};
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struct mxsfb_drm_private {
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const struct mxsfb_devdata *devdata;
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void __iomem *base; /* registers */
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struct clk *clk;
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struct clk *clk_axi;
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struct clk *clk_disp_axi;
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struct drm_simple_display_pipe pipe;
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struct drm_connector panel_connector;
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struct drm_connector *connector;
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struct drm_panel *panel;
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struct drm_bridge *bridge;
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};
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int mxsfb_setup_crtc(struct drm_device *dev);
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int mxsfb_create_output(struct drm_device *dev);
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void mxsfb_enable_axi_clk(struct mxsfb_drm_private *mxsfb);
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void mxsfb_disable_axi_clk(struct mxsfb_drm_private *mxsfb);
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void mxsfb_crtc_enable(struct mxsfb_drm_private *mxsfb);
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void mxsfb_crtc_disable(struct mxsfb_drm_private *mxsfb);
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void mxsfb_plane_atomic_update(struct mxsfb_drm_private *mxsfb,
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struct drm_plane_state *state);
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#endif /* __MXSFB_DRV_H__ */
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