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ab5b0107cc
This change adds a new eDP connector in msm drm driver. With this
change, eDP panel can work with msm platform under drm framework.
v1: Initial change
v2: Address Rob's comments
Use generated header file for register definitions
Change to devm_* APIs
v3: Address Thierry's comments and rebase on top of atomic changes
Remove edp_bridge_mode_fixup
Remove backlight control code and rely on pwm-backlight
Remove continuous splash screen support for now
Change to gpiod_* APIs
v4: Fix kbuild test issue
Signed-off-by: Hai Li <hali@codeaurora.org>
[robclark: v5: rebase on drm_bridge changes in drm-next]
Signed-off-by: Rob Clark <robdclark@gmail.com>
86 lines
2.7 KiB
C
86 lines
2.7 KiB
C
/*
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* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __EDP_CONNECTOR_H__
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#define __EDP_CONNECTOR_H__
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#include <linux/i2c.h>
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#include <linux/interrupt.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include "drm_crtc.h"
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#include "drm_dp_helper.h"
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#include "msm_drv.h"
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#define edp_read(offset) msm_readl((offset))
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#define edp_write(offset, data) msm_writel((data), (offset))
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struct edp_ctrl;
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struct edp_aux;
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struct edp_phy;
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struct msm_edp {
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struct drm_device *dev;
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struct platform_device *pdev;
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struct drm_connector *connector;
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struct drm_bridge *bridge;
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/* the encoder we are hooked to (outside of eDP block) */
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struct drm_encoder *encoder;
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struct edp_ctrl *ctrl;
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int irq;
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};
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/* eDP bridge */
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struct drm_bridge *msm_edp_bridge_init(struct msm_edp *edp);
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void edp_bridge_destroy(struct drm_bridge *bridge);
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/* eDP connector */
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struct drm_connector *msm_edp_connector_init(struct msm_edp *edp);
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/* AUX */
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void *msm_edp_aux_init(struct device *dev, void __iomem *regbase,
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struct drm_dp_aux **drm_aux);
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void msm_edp_aux_destroy(struct device *dev, struct edp_aux *aux);
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irqreturn_t msm_edp_aux_irq(struct edp_aux *aux, u32 isr);
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void msm_edp_aux_ctrl(struct edp_aux *aux, int enable);
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/* Phy */
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bool msm_edp_phy_ready(struct edp_phy *phy);
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void msm_edp_phy_ctrl(struct edp_phy *phy, int enable);
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void msm_edp_phy_vm_pe_init(struct edp_phy *phy);
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void msm_edp_phy_vm_pe_cfg(struct edp_phy *phy, u32 v0, u32 v1);
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void msm_edp_phy_lane_power_ctrl(struct edp_phy *phy, bool up, u32 max_lane);
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void *msm_edp_phy_init(struct device *dev, void __iomem *regbase);
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/* Ctrl */
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irqreturn_t msm_edp_ctrl_irq(struct edp_ctrl *ctrl);
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void msm_edp_ctrl_power(struct edp_ctrl *ctrl, bool on);
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int msm_edp_ctrl_init(struct msm_edp *edp);
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void msm_edp_ctrl_destroy(struct edp_ctrl *ctrl);
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bool msm_edp_ctrl_panel_connected(struct edp_ctrl *ctrl);
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int msm_edp_ctrl_get_panel_info(struct edp_ctrl *ctrl,
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struct drm_connector *connector, struct edid **edid);
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int msm_edp_ctrl_timing_cfg(struct edp_ctrl *ctrl,
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const struct drm_display_mode *mode,
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const struct drm_display_info *info);
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/* @pixel_rate is in kHz */
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bool msm_edp_ctrl_pixel_clock_valid(struct edp_ctrl *ctrl,
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u32 pixel_rate, u32 *pm, u32 *pn);
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#endif /* __EDP_CONNECTOR_H__ */
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