4a2e5b3fe1
Add functionality to change which aux switch is used at compile time for different targets. Add wcd939x switch support. Change-Id: Iced3b11733009680063790dfa8f180b19002f963 Signed-off-by: Nisarg Bhavsar <quic_bhavsar@quicinc.com>
71 rinda
2.3 KiB
C
71 rinda
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2022, 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);
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void dp_aux_put(struct dp_aux *aux);
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#endif /*__DP_AUX_H_*/
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