mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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9d32c4989c
This change activates PLL driver for DSI to work with common clock framework. Signed-off-by: Hai Li <hali@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
150 lines
4.8 KiB
C
150 lines
4.8 KiB
C
/*
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* Copyright (c) 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 __DSI_CONNECTOR_H__
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#define __DSI_CONNECTOR_H__
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#include <linux/platform_device.h>
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#include "drm_crtc.h"
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#include "drm_mipi_dsi.h"
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#include "drm_panel.h"
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#include "msm_drv.h"
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#define DSI_0 0
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#define DSI_1 1
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#define DSI_MAX 2
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#define DSI_CLOCK_MASTER DSI_0
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#define DSI_CLOCK_SLAVE DSI_1
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#define DSI_LEFT DSI_0
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#define DSI_RIGHT DSI_1
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/* According to the current drm framework sequence, take the encoder of
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* DSI_1 as master encoder
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*/
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#define DSI_ENCODER_MASTER DSI_1
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#define DSI_ENCODER_SLAVE DSI_0
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enum msm_dsi_phy_type {
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MSM_DSI_PHY_UNKNOWN,
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MSM_DSI_PHY_28NM_HPM,
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MSM_DSI_PHY_28NM_LP,
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MSM_DSI_PHY_MAX
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};
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struct msm_dsi {
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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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struct mipi_dsi_host *host;
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struct msm_dsi_phy *phy;
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struct drm_panel *panel;
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unsigned long panel_flags;
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enum msm_dsi_phy_type phy_type;
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bool phy_enabled;
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/* the encoders we are hooked to (outside of dsi block) */
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struct drm_encoder *encoders[MSM_DSI_ENCODER_NUM];
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int id;
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};
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/* dsi manager */
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struct drm_bridge *msm_dsi_manager_bridge_init(u8 id);
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void msm_dsi_manager_bridge_destroy(struct drm_bridge *bridge);
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struct drm_connector *msm_dsi_manager_connector_init(u8 id);
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int msm_dsi_manager_phy_enable(int id,
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const unsigned long bit_rate, const unsigned long esc_rate,
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u32 *clk_pre, u32 *clk_post);
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void msm_dsi_manager_phy_disable(int id);
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int msm_dsi_manager_cmd_xfer(int id, const struct mipi_dsi_msg *msg);
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bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 iova, u32 len);
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int msm_dsi_manager_register(struct msm_dsi *msm_dsi);
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void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi);
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/* msm dsi */
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struct drm_encoder *msm_dsi_get_encoder(struct msm_dsi *msm_dsi);
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/* dsi pll */
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struct msm_dsi_pll;
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#ifdef CONFIG_DRM_MSM_DSI_PLL
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struct msm_dsi_pll *msm_dsi_pll_init(struct platform_device *pdev,
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enum msm_dsi_phy_type type, int dsi_id);
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void msm_dsi_pll_destroy(struct msm_dsi_pll *pll);
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int msm_dsi_pll_get_clk_provider(struct msm_dsi_pll *pll,
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struct clk **byte_clk_provider, struct clk **pixel_clk_provider);
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#else
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static inline struct msm_dsi_pll *msm_dsi_pll_init(struct platform_device *pdev,
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enum msm_dsi_phy_type type, int id) {
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return ERR_PTR(-ENODEV);
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}
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static inline void msm_dsi_pll_destroy(struct msm_dsi_pll *pll)
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{
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}
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static inline int msm_dsi_pll_get_clk_provider(struct msm_dsi_pll *pll,
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struct clk **byte_clk_provider, struct clk **pixel_clk_provider)
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{
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return -ENODEV;
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}
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#endif
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/* dsi host */
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int msm_dsi_host_xfer_prepare(struct mipi_dsi_host *host,
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const struct mipi_dsi_msg *msg);
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void msm_dsi_host_xfer_restore(struct mipi_dsi_host *host,
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const struct mipi_dsi_msg *msg);
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int msm_dsi_host_cmd_tx(struct mipi_dsi_host *host,
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const struct mipi_dsi_msg *msg);
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int msm_dsi_host_cmd_rx(struct mipi_dsi_host *host,
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const struct mipi_dsi_msg *msg);
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void msm_dsi_host_cmd_xfer_commit(struct mipi_dsi_host *host,
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u32 iova, u32 len);
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int msm_dsi_host_enable(struct mipi_dsi_host *host);
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int msm_dsi_host_disable(struct mipi_dsi_host *host);
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int msm_dsi_host_power_on(struct mipi_dsi_host *host);
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int msm_dsi_host_power_off(struct mipi_dsi_host *host);
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int msm_dsi_host_set_display_mode(struct mipi_dsi_host *host,
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struct drm_display_mode *mode);
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struct drm_panel *msm_dsi_host_get_panel(struct mipi_dsi_host *host,
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unsigned long *panel_flags);
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int msm_dsi_host_register(struct mipi_dsi_host *host, bool check_defer);
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void msm_dsi_host_unregister(struct mipi_dsi_host *host);
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int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host,
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struct msm_dsi_pll *src_pll);
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void msm_dsi_host_destroy(struct mipi_dsi_host *host);
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int msm_dsi_host_modeset_init(struct mipi_dsi_host *host,
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struct drm_device *dev);
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int msm_dsi_host_init(struct msm_dsi *msm_dsi);
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/* dsi phy */
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struct msm_dsi_phy;
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struct msm_dsi_phy *msm_dsi_phy_init(struct platform_device *pdev,
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enum msm_dsi_phy_type type, int id);
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void msm_dsi_phy_destroy(struct msm_dsi_phy *phy);
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int msm_dsi_phy_enable(struct msm_dsi_phy *phy, bool is_dual_panel,
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const unsigned long bit_rate, const unsigned long esc_rate);
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int msm_dsi_phy_disable(struct msm_dsi_phy *phy);
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void msm_dsi_phy_get_clk_pre_post(struct msm_dsi_phy *phy,
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u32 *clk_pre, u32 *clk_post);
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struct msm_dsi_pll *msm_dsi_phy_get_pll(struct msm_dsi_phy *phy);
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#endif /* __DSI_CONNECTOR_H__ */
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