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