1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
 4 */
 5
 6#ifndef __EDP_CONNECTOR_H__
 7#define __EDP_CONNECTOR_H__
 8
 9#include <linux/i2c.h>
10#include <linux/interrupt.h>
11#include <linux/kernel.h>
12#include <linux/platform_device.h>
13#include <drm/drm_bridge.h>
14#include <drm/drm_crtc.h>
15#include <drm/drm_dp_helper.h>
16
17#include "msm_drv.h"
18
19#define edp_read(offset) msm_readl((offset))
20#define edp_write(offset, data) msm_writel((data), (offset))
21
22struct edp_ctrl;
23struct edp_aux;
24struct edp_phy;
25
26struct msm_edp {
27	struct drm_device *dev;
28	struct platform_device *pdev;
29
30	struct drm_connector *connector;
31	struct drm_bridge *bridge;
32
33	/* the encoder we are hooked to (outside of eDP block) */
34	struct drm_encoder *encoder;
35
36	struct edp_ctrl *ctrl;
37
38	int irq;
39};
40
41/* eDP bridge */
42struct drm_bridge *msm_edp_bridge_init(struct msm_edp *edp);
43void edp_bridge_destroy(struct drm_bridge *bridge);
44
45/* eDP connector */
46struct drm_connector *msm_edp_connector_init(struct msm_edp *edp);
47
48/* AUX */
49void *msm_edp_aux_init(struct device *dev, void __iomem *regbase,
50			struct drm_dp_aux **drm_aux);
51void msm_edp_aux_destroy(struct device *dev, struct edp_aux *aux);
52irqreturn_t msm_edp_aux_irq(struct edp_aux *aux, u32 isr);
53void msm_edp_aux_ctrl(struct edp_aux *aux, int enable);
54
55/* Phy */
56bool msm_edp_phy_ready(struct edp_phy *phy);
57void msm_edp_phy_ctrl(struct edp_phy *phy, int enable);
58void msm_edp_phy_vm_pe_init(struct edp_phy *phy);
59void msm_edp_phy_vm_pe_cfg(struct edp_phy *phy, u32 v0, u32 v1);
60void msm_edp_phy_lane_power_ctrl(struct edp_phy *phy, bool up, u32 max_lane);
61void *msm_edp_phy_init(struct device *dev, void __iomem *regbase);
62
63/* Ctrl */
64irqreturn_t msm_edp_ctrl_irq(struct edp_ctrl *ctrl);
65void msm_edp_ctrl_power(struct edp_ctrl *ctrl, bool on);
66int msm_edp_ctrl_init(struct msm_edp *edp);
67void msm_edp_ctrl_destroy(struct edp_ctrl *ctrl);
68bool msm_edp_ctrl_panel_connected(struct edp_ctrl *ctrl);
69int msm_edp_ctrl_get_panel_info(struct edp_ctrl *ctrl,
70	struct drm_connector *connector, struct edid **edid);
71int msm_edp_ctrl_timing_cfg(struct edp_ctrl *ctrl,
72				const struct drm_display_mode *mode,
73				const struct drm_display_info *info);
74/* @pixel_rate is in kHz */
75bool msm_edp_ctrl_pixel_clock_valid(struct edp_ctrl *ctrl,
76	u32 pixel_rate, u32 *pm, u32 *pn);
77
78#endif /* __EDP_CONNECTOR_H__ */