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kernel_samsung_sm7125/drivers/gpu/drm/msm/dp/dp_aux.h

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/*
* Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef _DP_AUX_H_
#define _DP_AUX_H_
#include "dp_catalog.h"
#include "drm_dp_helper.h"
#include <soc/qcom/msm_dp_aux_bridge.h>
#define DP_STATE_NOTIFICATION_SENT BIT(0)
#define DP_STATE_TRAIN_1_STARTED BIT(1)
#define DP_STATE_TRAIN_1_SUCCEEDED BIT(2)
#define DP_STATE_TRAIN_1_FAILED BIT(3)
#define DP_STATE_TRAIN_2_STARTED BIT(4)
#define DP_STATE_TRAIN_2_SUCCEEDED BIT(5)
#define DP_STATE_TRAIN_2_FAILED BIT(6)
#define DP_STATE_CTRL_POWERED_ON BIT(7)
#define DP_STATE_CTRL_POWERED_OFF BIT(8)
#define DP_STATE_LINK_MAINTENANCE_STARTED BIT(9)
#define DP_STATE_LINK_MAINTENANCE_COMPLETED BIT(10)
#define DP_STATE_LINK_MAINTENANCE_FAILED BIT(11)
#define DP_STATE_AUX_TIMEOUT BIT(12)
enum dp_aux_error {
DP_AUX_ERR_NONE = 0,
DP_AUX_ERR_ADDR = -1,
DP_AUX_ERR_TOUT = -2,
DP_AUX_ERR_NACK = -3,
DP_AUX_ERR_DEFER = -4,
DP_AUX_ERR_NACK_DEFER = -5,
DP_AUX_ERR_PHY = -6,
};
struct dp_aux {
u32 reg;
u32 size;
u32 state;
bool read;
struct drm_dp_aux *drm_aux;
int (*drm_aux_register)(struct dp_aux *aux);
void (*drm_aux_deregister)(struct dp_aux *aux);
void (*isr)(struct dp_aux *aux);
void (*init)(struct dp_aux *aux, struct dp_aux_cfg *aux_cfg);
void (*deinit)(struct dp_aux *aux);
void (*reconfig)(struct dp_aux *aux);
void (*abort)(struct dp_aux *aux, bool reset);
void (*dpcd_updated)(struct dp_aux *aux);
void (*set_sim_mode)(struct dp_aux *aux, bool en, u8 *edid, u8 *dpcd,
struct msm_dp_aux_bridge *sim_bridge);
int (*aux_switch)(struct dp_aux *aux, bool enable, int orientation);
};
struct dp_aux *dp_aux_get(struct device *dev, struct dp_catalog_aux *catalog,
struct dp_parser *parser, struct device_node *aux_switch,
struct msm_dp_aux_bridge *aux_bridge);
void dp_aux_put(struct dp_aux *aux);
#endif /*__DP_AUX_H_*/