1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (c) 2014-2015, The Linux Foundation. All rights reserved. 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef __EDP_CONNECTOR_H__ 7*4882a593Smuzhiyun #define __EDP_CONNECTOR_H__ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <linux/i2c.h> 10*4882a593Smuzhiyun #include <linux/interrupt.h> 11*4882a593Smuzhiyun #include <linux/kernel.h> 12*4882a593Smuzhiyun #include <linux/platform_device.h> 13*4882a593Smuzhiyun #include <drm/drm_bridge.h> 14*4882a593Smuzhiyun #include <drm/drm_crtc.h> 15*4882a593Smuzhiyun #include <drm/drm_dp_helper.h> 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #include "msm_drv.h" 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun #define edp_read(offset) msm_readl((offset)) 20*4882a593Smuzhiyun #define edp_write(offset, data) msm_writel((data), (offset)) 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun struct edp_ctrl; 23*4882a593Smuzhiyun struct edp_aux; 24*4882a593Smuzhiyun struct edp_phy; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun struct msm_edp { 27*4882a593Smuzhiyun struct drm_device *dev; 28*4882a593Smuzhiyun struct platform_device *pdev; 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun struct drm_connector *connector; 31*4882a593Smuzhiyun struct drm_bridge *bridge; 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun /* the encoder we are hooked to (outside of eDP block) */ 34*4882a593Smuzhiyun struct drm_encoder *encoder; 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun struct edp_ctrl *ctrl; 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun int irq; 39*4882a593Smuzhiyun }; 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun /* eDP bridge */ 42*4882a593Smuzhiyun struct drm_bridge *msm_edp_bridge_init(struct msm_edp *edp); 43*4882a593Smuzhiyun void edp_bridge_destroy(struct drm_bridge *bridge); 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun /* eDP connector */ 46*4882a593Smuzhiyun struct drm_connector *msm_edp_connector_init(struct msm_edp *edp); 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun /* AUX */ 49*4882a593Smuzhiyun void *msm_edp_aux_init(struct device *dev, void __iomem *regbase, 50*4882a593Smuzhiyun struct drm_dp_aux **drm_aux); 51*4882a593Smuzhiyun void msm_edp_aux_destroy(struct device *dev, struct edp_aux *aux); 52*4882a593Smuzhiyun irqreturn_t msm_edp_aux_irq(struct edp_aux *aux, u32 isr); 53*4882a593Smuzhiyun void msm_edp_aux_ctrl(struct edp_aux *aux, int enable); 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun /* Phy */ 56*4882a593Smuzhiyun bool msm_edp_phy_ready(struct edp_phy *phy); 57*4882a593Smuzhiyun void msm_edp_phy_ctrl(struct edp_phy *phy, int enable); 58*4882a593Smuzhiyun void msm_edp_phy_vm_pe_init(struct edp_phy *phy); 59*4882a593Smuzhiyun void msm_edp_phy_vm_pe_cfg(struct edp_phy *phy, u32 v0, u32 v1); 60*4882a593Smuzhiyun void msm_edp_phy_lane_power_ctrl(struct edp_phy *phy, bool up, u32 max_lane); 61*4882a593Smuzhiyun void *msm_edp_phy_init(struct device *dev, void __iomem *regbase); 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun /* Ctrl */ 64*4882a593Smuzhiyun irqreturn_t msm_edp_ctrl_irq(struct edp_ctrl *ctrl); 65*4882a593Smuzhiyun void msm_edp_ctrl_power(struct edp_ctrl *ctrl, bool on); 66*4882a593Smuzhiyun int msm_edp_ctrl_init(struct msm_edp *edp); 67*4882a593Smuzhiyun void msm_edp_ctrl_destroy(struct edp_ctrl *ctrl); 68*4882a593Smuzhiyun bool msm_edp_ctrl_panel_connected(struct edp_ctrl *ctrl); 69*4882a593Smuzhiyun int msm_edp_ctrl_get_panel_info(struct edp_ctrl *ctrl, 70*4882a593Smuzhiyun struct drm_connector *connector, struct edid **edid); 71*4882a593Smuzhiyun int msm_edp_ctrl_timing_cfg(struct edp_ctrl *ctrl, 72*4882a593Smuzhiyun const struct drm_display_mode *mode, 73*4882a593Smuzhiyun const struct drm_display_info *info); 74*4882a593Smuzhiyun /* @pixel_rate is in kHz */ 75*4882a593Smuzhiyun bool msm_edp_ctrl_pixel_clock_valid(struct edp_ctrl *ctrl, 76*4882a593Smuzhiyun u32 pixel_rate, u32 *pm, u32 *pn); 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun #endif /* __EDP_CONNECTOR_H__ */ 79