ae1ea3d993
Currently the ipc context for drm_dp_aux is being created during dp_aux_init. This limits the IPC logs to be only readable when the external display is in connected state and it gets destroyed on unplug. This change moves the context creation to probe time and the aux context will be passed to the aux driver during initialization. Change-Id: Id8d26c907c9cb2fd8c89b2842b98e7a908816abe Signed-off-by: Rajkumar Subbiah <quic_rsubbia@quicinc.com>
71 wiersze
2.3 KiB
C
71 wiersze
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
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* Copyright (c) 2012-2021, The Linux Foundation. All rights reserved.
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*/
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#ifndef _DP_AUX_H_
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#define _DP_AUX_H_
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#include "dp_catalog.h"
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 19, 0))
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#include <drm/display/drm_dp_helper.h>
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#else
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#include <drm/drm_dp_helper.h>
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#endif
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#include "dp_aux_bridge.h"
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#define DP_STATE_NOTIFICATION_SENT BIT(0)
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#define DP_STATE_TRAIN_1_STARTED BIT(1)
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#define DP_STATE_TRAIN_1_SUCCEEDED BIT(2)
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#define DP_STATE_TRAIN_1_FAILED BIT(3)
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#define DP_STATE_TRAIN_2_STARTED BIT(4)
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#define DP_STATE_TRAIN_2_SUCCEEDED BIT(5)
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#define DP_STATE_TRAIN_2_FAILED BIT(6)
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#define DP_STATE_CTRL_POWERED_ON BIT(7)
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#define DP_STATE_CTRL_POWERED_OFF BIT(8)
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#define DP_STATE_LINK_MAINTENANCE_STARTED BIT(9)
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#define DP_STATE_LINK_MAINTENANCE_COMPLETED BIT(10)
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#define DP_STATE_LINK_MAINTENANCE_FAILED BIT(11)
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#define DP_STATE_AUX_TIMEOUT BIT(12)
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#define DP_STATE_PLL_LOCKED BIT(13)
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enum dp_aux_error {
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DP_AUX_ERR_NONE = 0,
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DP_AUX_ERR_ADDR = -1,
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DP_AUX_ERR_TOUT = -2,
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DP_AUX_ERR_NACK = -3,
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DP_AUX_ERR_DEFER = -4,
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DP_AUX_ERR_NACK_DEFER = -5,
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DP_AUX_ERR_PHY = -6,
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};
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struct dp_aux {
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u32 state;
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bool read;
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struct mutex *access_lock;
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void *ipc_log_context;
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struct drm_dp_aux *drm_aux;
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int (*drm_aux_register)(struct dp_aux *aux, struct drm_device *drm_dev);
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void (*drm_aux_deregister)(struct dp_aux *aux);
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void (*isr)(struct dp_aux *aux);
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void (*init)(struct dp_aux *aux, struct dp_aux_cfg *aux_cfg);
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void (*deinit)(struct dp_aux *aux);
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void (*reconfig)(struct dp_aux *aux);
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void (*abort)(struct dp_aux *aux, bool abort);
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void (*set_sim_mode)(struct dp_aux *aux, struct dp_aux_bridge *sim_bridge);
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int (*switch_configure)(struct dp_aux *aux, bool enable, int orientation);
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int (*switch_register_notifier)(struct notifier_block *nb, struct device_node *node);
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int (*switch_unregister_notifier)(struct notifier_block *nb, struct device_node *node);
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};
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struct dp_aux *dp_aux_get(struct device *dev, struct dp_catalog_aux *catalog,
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struct dp_parser *parser, struct device_node *aux_switch,
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struct dp_aux_bridge *aux_bridge, void *ipc_log_context);
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void dp_aux_put(struct dp_aux *aux);
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#endif /*__DP_AUX_H_*/
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