Hai Li | ab5b010 | 2015-01-07 18:47:44 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2014-2015, The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 and |
| 6 | * only version 2 as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | */ |
| 13 | |
| 14 | #ifndef __EDP_CONNECTOR_H__ |
| 15 | #define __EDP_CONNECTOR_H__ |
| 16 | |
| 17 | #include <linux/i2c.h> |
| 18 | #include <linux/interrupt.h> |
| 19 | #include <linux/kernel.h> |
| 20 | #include <linux/platform_device.h> |
| 21 | |
| 22 | #include "drm_crtc.h" |
| 23 | #include "drm_dp_helper.h" |
| 24 | #include "msm_drv.h" |
| 25 | |
| 26 | #define edp_read(offset) msm_readl((offset)) |
| 27 | #define edp_write(offset, data) msm_writel((data), (offset)) |
| 28 | |
| 29 | struct edp_ctrl; |
| 30 | struct edp_aux; |
| 31 | struct edp_phy; |
| 32 | |
| 33 | struct msm_edp { |
| 34 | struct drm_device *dev; |
| 35 | struct platform_device *pdev; |
| 36 | |
| 37 | struct drm_connector *connector; |
| 38 | struct drm_bridge *bridge; |
| 39 | |
| 40 | /* the encoder we are hooked to (outside of eDP block) */ |
| 41 | struct drm_encoder *encoder; |
| 42 | |
| 43 | struct edp_ctrl *ctrl; |
| 44 | |
| 45 | int irq; |
| 46 | }; |
| 47 | |
| 48 | /* eDP bridge */ |
| 49 | struct drm_bridge *msm_edp_bridge_init(struct msm_edp *edp); |
| 50 | void edp_bridge_destroy(struct drm_bridge *bridge); |
| 51 | |
| 52 | /* eDP connector */ |
| 53 | struct drm_connector *msm_edp_connector_init(struct msm_edp *edp); |
| 54 | |
| 55 | /* AUX */ |
| 56 | void *msm_edp_aux_init(struct device *dev, void __iomem *regbase, |
| 57 | struct drm_dp_aux **drm_aux); |
| 58 | void msm_edp_aux_destroy(struct device *dev, struct edp_aux *aux); |
| 59 | irqreturn_t msm_edp_aux_irq(struct edp_aux *aux, u32 isr); |
| 60 | void msm_edp_aux_ctrl(struct edp_aux *aux, int enable); |
| 61 | |
| 62 | /* Phy */ |
| 63 | bool msm_edp_phy_ready(struct edp_phy *phy); |
| 64 | void msm_edp_phy_ctrl(struct edp_phy *phy, int enable); |
| 65 | void msm_edp_phy_vm_pe_init(struct edp_phy *phy); |
| 66 | void msm_edp_phy_vm_pe_cfg(struct edp_phy *phy, u32 v0, u32 v1); |
| 67 | void msm_edp_phy_lane_power_ctrl(struct edp_phy *phy, bool up, u32 max_lane); |
| 68 | void *msm_edp_phy_init(struct device *dev, void __iomem *regbase); |
| 69 | |
| 70 | /* Ctrl */ |
| 71 | irqreturn_t msm_edp_ctrl_irq(struct edp_ctrl *ctrl); |
| 72 | void msm_edp_ctrl_power(struct edp_ctrl *ctrl, bool on); |
| 73 | int msm_edp_ctrl_init(struct msm_edp *edp); |
| 74 | void msm_edp_ctrl_destroy(struct edp_ctrl *ctrl); |
| 75 | bool msm_edp_ctrl_panel_connected(struct edp_ctrl *ctrl); |
| 76 | int msm_edp_ctrl_get_panel_info(struct edp_ctrl *ctrl, |
| 77 | struct drm_connector *connector, struct edid **edid); |
| 78 | int msm_edp_ctrl_timing_cfg(struct edp_ctrl *ctrl, |
| 79 | const struct drm_display_mode *mode, |
| 80 | const struct drm_display_info *info); |
| 81 | /* @pixel_rate is in kHz */ |
| 82 | bool msm_edp_ctrl_pixel_clock_valid(struct edp_ctrl *ctrl, |
| 83 | u32 pixel_rate, u32 *pm, u32 *pn); |
| 84 | |
| 85 | #endif /* __EDP_CONNECTOR_H__ */ |