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5a67ec8c64
Vendor drivers may need to fixup mode due to pixel clock tree limitation, so introduce the ->mode_fixup() callcack to struct dw_mipi_dsi_plat_data and call it at atomic check stage if available. Signed-off-by: Liu Ying <victor.liu@nxp.com> Reviewed-by: Robert Foss <rfoss@kernel.org> Signed-off-by: Robert Foss <rfoss@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230821034008.3876938-5-victor.liu@nxp.com
88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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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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*/
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#ifndef __DW_MIPI_DSI__
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#define __DW_MIPI_DSI__
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#include <linux/types.h>
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#include <drm/drm_atomic.h>
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#include <drm/drm_bridge.h>
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#include <drm/drm_connector.h>
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#include <drm/drm_crtc.h>
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#include <drm/drm_modes.h>
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struct drm_display_mode;
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struct drm_encoder;
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struct dw_mipi_dsi;
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struct mipi_dsi_device;
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struct platform_device;
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struct dw_mipi_dsi_dphy_timing {
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u16 data_hs2lp;
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u16 data_lp2hs;
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u16 clk_hs2lp;
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u16 clk_lp2hs;
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};
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struct dw_mipi_dsi_phy_ops {
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int (*init)(void *priv_data);
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void (*power_on)(void *priv_data);
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void (*power_off)(void *priv_data);
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int (*get_lane_mbps)(void *priv_data,
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const struct drm_display_mode *mode,
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unsigned long mode_flags, u32 lanes, u32 format,
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unsigned int *lane_mbps);
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int (*get_timing)(void *priv_data, unsigned int lane_mbps,
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struct dw_mipi_dsi_dphy_timing *timing);
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int (*get_esc_clk_rate)(void *priv_data, unsigned int *esc_clk_rate);
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};
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struct dw_mipi_dsi_host_ops {
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int (*attach)(void *priv_data,
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struct mipi_dsi_device *dsi);
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int (*detach)(void *priv_data,
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struct mipi_dsi_device *dsi);
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};
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struct dw_mipi_dsi_plat_data {
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void __iomem *base;
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unsigned int max_data_lanes;
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enum drm_mode_status (*mode_valid)(void *priv_data,
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const struct drm_display_mode *mode,
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unsigned long mode_flags,
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u32 lanes, u32 format);
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bool (*mode_fixup)(void *priv_data, const struct drm_display_mode *mode,
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struct drm_display_mode *adjusted_mode);
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u32 *(*get_input_bus_fmts)(void *priv_data,
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struct drm_bridge *bridge,
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struct drm_bridge_state *bridge_state,
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struct drm_crtc_state *crtc_state,
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struct drm_connector_state *conn_state,
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u32 output_fmt,
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unsigned int *num_input_fmts);
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const struct dw_mipi_dsi_phy_ops *phy_ops;
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const struct dw_mipi_dsi_host_ops *host_ops;
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void *priv_data;
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};
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struct dw_mipi_dsi *dw_mipi_dsi_probe(struct platform_device *pdev,
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const struct dw_mipi_dsi_plat_data
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*plat_data);
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void dw_mipi_dsi_remove(struct dw_mipi_dsi *dsi);
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int dw_mipi_dsi_bind(struct dw_mipi_dsi *dsi, struct drm_encoder *encoder);
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void dw_mipi_dsi_unbind(struct dw_mipi_dsi *dsi);
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void dw_mipi_dsi_set_slave(struct dw_mipi_dsi *dsi, struct dw_mipi_dsi *slave);
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struct drm_bridge *dw_mipi_dsi_get_bridge(struct dw_mipi_dsi *dsi);
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#endif /* __DW_MIPI_DSI__ */
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