diff options
Diffstat (limited to 'drivers/media/cec/usb/extron-da-hd-4k-plus/extron-da-hd-4k-plus.h')
| -rw-r--r-- | drivers/media/cec/usb/extron-da-hd-4k-plus/extron-da-hd-4k-plus.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/drivers/media/cec/usb/extron-da-hd-4k-plus/extron-da-hd-4k-plus.h b/drivers/media/cec/usb/extron-da-hd-4k-plus/extron-da-hd-4k-plus.h new file mode 100644 index 000000000000..b79f1253ab5d --- /dev/null +++ b/drivers/media/cec/usb/extron-da-hd-4k-plus/extron-da-hd-4k-plus.h @@ -0,0 +1,118 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* + * Copyright 2021-2024 Cisco Systems, Inc. and/or its affiliates. All rights reserved. + */ + +#ifndef _EXTRON_DA_HD_4K_PLUS_H_ +#define _EXTRON_DA_HD_4K_PLUS_H_ + +#include <linux/kthread.h> +#include <linux/serio.h> +#include <linux/workqueue.h> +#include <media/cec.h> +#include <media/v4l2-ctrls.h> +#include <media/v4l2-dev.h> +#include <media/v4l2-device.h> +#include <media/v4l2-dv-timings.h> +#include <media/v4l2-event.h> +#include <media/v4l2-fh.h> +#include <media/v4l2-ioctl.h> + +#include "cec-splitter.h" + +#define DATA_SIZE 256 + +#define PING_PERIOD (15 * HZ) + +#define NUM_MSGS CEC_MAX_MSG_RX_QUEUE_SZ + +#define MAX_PORTS (1 + 6) + +#define MAX_EDID_BLOCKS 2 + +struct extron; + +struct extron_port { + struct cec_splitter_port port; + struct device *dev; + struct cec_adapter *adap; + struct video_device vdev; + struct v4l2_ctrl_handler hdl; + struct v4l2_ctrl *ctrl_rx_power_present; + struct v4l2_ctrl *ctrl_tx_hotplug; + struct v4l2_ctrl *ctrl_tx_edid_present; + bool is_input; + char direction; + char name[26]; + unsigned char edid[MAX_EDID_BLOCKS * 128]; + unsigned char edid_tmp[MAX_EDID_BLOCKS * 128]; + unsigned int edid_blocks; + bool read_edid; + struct extron *extron; + struct work_struct irq_work; + struct completion cmd_done; + const char *response; + unsigned int cmd_error; + struct cec_msg rx_msg[NUM_MSGS]; + unsigned int rx_msg_cur_idx, rx_msg_num; + /* protect rx_msg_cur_idx and rx_msg_num */ + spinlock_t msg_lock; + u32 tx_done_status; + bool update_phys_addr; + u16 phys_addr; + bool cec_was_registered; + bool disconnected; + bool update_has_signal; + bool has_signal; + bool update_has_edid; + bool has_edid; + bool has_4kp30; + bool has_4kp60; + bool has_qy; + bool has_qs; + u8 est_i, est_ii; + + /* locks access to the video_device */ + struct mutex video_lock; +}; + +struct extron { + struct cec_splitter splitter; + struct device *dev; + struct serio *serio; + /* locks access to serio */ + struct mutex serio_lock; + unsigned int num_ports; + unsigned int num_in_ports; + unsigned int num_out_ports; + char unit_name[32]; + char unit_type[64]; + char unit_fw_version[32]; + char unit_cec_engine_version[32]; + struct extron_port *ports[MAX_PORTS]; + struct cec_splitter_port *splitter_ports[MAX_PORTS]; + struct v4l2_device v4l2_dev; + bool hpd_never_low; + struct task_struct *kthread_setup; + struct delayed_work work_update_edid; + + /* serializes EDID reading */ + struct mutex edid_lock; + unsigned int edid_bytes_read; + struct extron_port *edid_port; + struct completion edid_completion; + bool edid_reading; + bool is_ready; + + struct completion cmd_done; + const char *response; + unsigned int cmd_error; + char data[DATA_SIZE]; + unsigned int len; + char reply[DATA_SIZE]; + char buf[DATA_SIZE]; + unsigned int idx; +}; + +#endif |