linux-zen-server/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.h

85 lines
1.8 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright: 2017 Cadence Design Systems, Inc.
*
* Author: Boris Brezillon <boris.brezillon@bootlin.com>
*/
#ifndef __CDNS_DSI_H__
#define __CDNS_DSI_H__
#include <drm/drm_bridge.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_panel.h>
#include <linux/bits.h>
#include <linux/completion.h>
#include <linux/phy/phy.h>
struct clk;
struct reset_control;
struct cdns_dsi_output {
struct mipi_dsi_device *dev;
struct drm_panel *panel;
struct drm_bridge *bridge;
union phy_configure_opts phy_opts;
};
enum cdns_dsi_input_id {
CDNS_SDI_INPUT,
CDNS_DPI_INPUT,
CDNS_DSC_INPUT,
};
struct cdns_dsi_cfg {
unsigned int hfp;
unsigned int hsa;
unsigned int hbp;
unsigned int hact;
unsigned int htotal;
};
struct cdns_dsi_input {
enum cdns_dsi_input_id id;
struct drm_bridge bridge;
};
struct cdns_dsi;
/**
* struct cdns_dsi_platform_ops - CDNS DSI Platform operations
* @init: Called in the CDNS DSI probe
* @deinit: Called in the CDNS DSI remove
* @enable: Called at the beginning of CDNS DSI bridge enable
* @disable: Called at the end of CDNS DSI bridge disable
*/
struct cdns_dsi_platform_ops {
int (*init)(struct cdns_dsi *dsi);
void (*deinit)(struct cdns_dsi *dsi);
void (*enable)(struct cdns_dsi *dsi);
void (*disable)(struct cdns_dsi *dsi);
};
struct cdns_dsi {
struct mipi_dsi_host base;
void __iomem *regs;
#ifdef CONFIG_DRM_CDNS_DSI_J721E
void __iomem *j721e_regs;
#endif
const struct cdns_dsi_platform_ops *platform_ops;
struct cdns_dsi_input input;
struct cdns_dsi_output output;
unsigned int direct_cmd_fifo_depth;
unsigned int rx_fifo_depth;
struct completion direct_cmd_comp;
struct clk *dsi_p_clk;
struct reset_control *dsi_p_rst;
struct clk *dsi_sys_clk;
bool link_initialized;
bool phy_initialized;
struct phy *dphy;
};
#endif /* !__CDNS_DSI_H__ */