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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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bdf31bcf3d
Add the panel-bridge support for both panels & bridges (used by DSI host & HDMI/LVDS bridges). Signed-off-by: Philippe CORNU <philippe.cornu@st.com> Reviewed-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Archit Taneja <architt@codeaurora.org> Link: https://patchwork.freedesktop.org/patch/msgid/1500277223-29553-3-git-send-email-philippe.cornu@st.com
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/*
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* Copyright (C) STMicroelectronics SA 2017
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*
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* Authors: Philippe Cornu <philippe.cornu@st.com>
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* Yannick Fertre <yannick.fertre@st.com>
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* Fabien Dessenne <fabien.dessenne@st.com>
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* Mickael Reulier <mickael.reulier@st.com>
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*
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* License terms: GNU General Public License (GPL), version 2
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*/
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#ifndef _LTDC_H_
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#define _LTDC_H_
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struct ltdc_caps {
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u32 hw_version; /* hardware version */
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u32 nb_layers; /* number of supported layers */
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u32 reg_ofs; /* register offset for applicable regs */
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u32 bus_width; /* bus width (32 or 64 bits) */
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const u32 *pix_fmt_hw; /* supported pixel formats */
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};
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struct ltdc_device {
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struct drm_fbdev_cma *fbdev;
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void __iomem *regs;
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struct clk *pixel_clk; /* lcd pixel clock */
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struct drm_bridge *bridge;
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bool is_panel_bridge;
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struct mutex err_lock; /* protecting error_status */
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struct ltdc_caps caps;
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u32 clut[256]; /* color look up table */
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u32 error_status;
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u32 irq_status;
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};
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int ltdc_crtc_enable_vblank(struct drm_device *dev, unsigned int pipe);
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void ltdc_crtc_disable_vblank(struct drm_device *dev, unsigned int pipe);
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int ltdc_load(struct drm_device *ddev);
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void ltdc_unload(struct drm_device *ddev);
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#endif
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