119 lines
2.7 KiB
C
119 lines
2.7 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright 2021-2024 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
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*/
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#ifndef _EXTRON_DA_HD_4K_PLUS_H_
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#define _EXTRON_DA_HD_4K_PLUS_H_
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#include <linux/kthread.h>
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#include <linux/serio.h>
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#include <linux/workqueue.h>
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#include <media/cec.h>
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#include <media/v4l2-ctrls.h>
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#include <media/v4l2-dev.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-dv-timings.h>
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#include <media/v4l2-event.h>
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#include <media/v4l2-fh.h>
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#include <media/v4l2-ioctl.h>
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#include "cec-splitter.h"
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#define DATA_SIZE 256
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#define PING_PERIOD (15 * HZ)
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#define NUM_MSGS CEC_MAX_MSG_RX_QUEUE_SZ
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#define MAX_PORTS (1 + 6)
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#define MAX_EDID_BLOCKS 2
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struct extron;
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struct extron_port {
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struct cec_splitter_port port;
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struct device *dev;
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struct cec_adapter *adap;
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struct video_device vdev;
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struct v4l2_ctrl_handler hdl;
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struct v4l2_ctrl *ctrl_rx_power_present;
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struct v4l2_ctrl *ctrl_tx_hotplug;
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struct v4l2_ctrl *ctrl_tx_edid_present;
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bool is_input;
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char direction;
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char name[26];
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unsigned char edid[MAX_EDID_BLOCKS * 128];
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unsigned char edid_tmp[MAX_EDID_BLOCKS * 128];
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unsigned int edid_blocks;
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bool read_edid;
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struct extron *extron;
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struct work_struct irq_work;
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struct completion cmd_done;
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const char *response;
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unsigned int cmd_error;
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struct cec_msg rx_msg[NUM_MSGS];
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unsigned int rx_msg_cur_idx, rx_msg_num;
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/* protect rx_msg_cur_idx and rx_msg_num */
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spinlock_t msg_lock;
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u32 tx_done_status;
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bool update_phys_addr;
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u16 phys_addr;
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bool cec_was_registered;
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bool disconnected;
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bool update_has_signal;
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bool has_signal;
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bool update_has_edid;
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bool has_edid;
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bool has_4kp30;
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bool has_4kp60;
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bool has_qy;
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bool has_qs;
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u8 est_i, est_ii;
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/* locks access to the video_device */
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struct mutex video_lock;
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};
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struct extron {
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struct cec_splitter splitter;
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struct device *dev;
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struct serio *serio;
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/* locks access to serio */
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struct mutex serio_lock;
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unsigned int num_ports;
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unsigned int num_in_ports;
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unsigned int num_out_ports;
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char unit_name[32];
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char unit_type[64];
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char unit_fw_version[32];
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char unit_cec_engine_version[32];
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struct extron_port *ports[MAX_PORTS];
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struct cec_splitter_port *splitter_ports[MAX_PORTS];
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struct v4l2_device v4l2_dev;
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bool hpd_never_low;
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struct task_struct *kthread_setup;
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struct delayed_work work_update_edid;
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/* serializes EDID reading */
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struct mutex edid_lock;
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unsigned int edid_bytes_read;
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struct extron_port *edid_port;
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struct completion edid_completion;
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bool edid_reading;
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bool is_ready;
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struct completion cmd_done;
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const char *response;
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unsigned int cmd_error;
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char data[DATA_SIZE];
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unsigned int len;
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char reply[DATA_SIZE];
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char buf[DATA_SIZE];
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unsigned int idx;
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};
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#endif
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