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4ed094fd73
This patch allows panels to set pixel clock and data enable pin polarity other than the default of driving data at the falling pixel clock edge and active high display enable. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
#ifndef _IMX_DRM_H_
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#define _IMX_DRM_H_
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struct device_node;
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struct drm_crtc;
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struct drm_connector;
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struct drm_device;
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struct drm_display_mode;
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struct drm_encoder;
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struct drm_fbdev_cma;
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struct drm_framebuffer;
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struct drm_plane;
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struct imx_drm_crtc;
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struct platform_device;
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unsigned int imx_drm_crtc_id(struct imx_drm_crtc *crtc);
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struct imx_drm_crtc_helper_funcs {
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int (*enable_vblank)(struct drm_crtc *crtc);
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void (*disable_vblank)(struct drm_crtc *crtc);
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int (*set_interface_pix_fmt)(struct drm_crtc *crtc,
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u32 bus_format, int hsync_pin, int vsync_pin,
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u32 bus_flags);
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const struct drm_crtc_helper_funcs *crtc_helper_funcs;
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const struct drm_crtc_funcs *crtc_funcs;
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};
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int imx_drm_add_crtc(struct drm_device *drm, struct drm_crtc *crtc,
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struct imx_drm_crtc **new_crtc, struct drm_plane *primary_plane,
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const struct imx_drm_crtc_helper_funcs *imx_helper_funcs,
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struct device_node *port);
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int imx_drm_remove_crtc(struct imx_drm_crtc *);
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int imx_drm_init_drm(struct platform_device *pdev,
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int preferred_bpp);
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int imx_drm_exit_drm(void);
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int imx_drm_crtc_vblank_get(struct imx_drm_crtc *imx_drm_crtc);
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void imx_drm_crtc_vblank_put(struct imx_drm_crtc *imx_drm_crtc);
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void imx_drm_handle_vblank(struct imx_drm_crtc *imx_drm_crtc);
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void imx_drm_mode_config_init(struct drm_device *drm);
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struct drm_gem_cma_object *imx_drm_fb_get_obj(struct drm_framebuffer *fb);
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int imx_drm_set_bus_config(struct drm_encoder *encoder, u32 bus_format,
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int hsync_pin, int vsync_pin, u32 bus_flags);
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int imx_drm_set_bus_format(struct drm_encoder *encoder,
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u32 bus_format);
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int imx_drm_encoder_parse_of(struct drm_device *drm,
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struct drm_encoder *encoder, struct device_node *np);
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void imx_drm_connector_destroy(struct drm_connector *connector);
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void imx_drm_encoder_destroy(struct drm_encoder *encoder);
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#endif /* _IMX_DRM_H_ */
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