^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #ifndef __USBHID_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define __USBHID_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (c) 1999 Andreas Gal
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright (c) 2000-2001 Vojtech Pavlik
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Copyright (c) 2006 Jiri Kosina
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/list.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/timer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/wait.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/input.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) /* API provided by hid-core.c for USB HID drivers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) void usbhid_init_reports(struct hid_device *hid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) struct usb_interface *usbhid_find_interface(int minor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) /* iofl flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define HID_CTRL_RUNNING 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define HID_OUT_RUNNING 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define HID_IN_RUNNING 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define HID_RESET_PENDING 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define HID_SUSPENDED 5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define HID_CLEAR_HALT 6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define HID_DISCONNECTED 7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define HID_STARTED 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define HID_KEYS_PRESSED 10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define HID_NO_BANDWIDTH 11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define HID_RESUME_RUNNING 12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) * The device is opened, meaning there is a client that is interested
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * in data coming from the device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define HID_OPENED 13
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) * We are polling input endpoint by [re]submitting IN URB, because
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) * either HID device is opened or ALWAYS POLL quirk is set for the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) * device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #define HID_IN_POLLING 14
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) * USB-specific HID struct, to be pointed to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) * from struct hid_device->driver_data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) struct usbhid_device {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct hid_device *hid; /* pointer to corresponding HID dev */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) struct usb_interface *intf; /* USB interface */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) int ifnum; /* USB interface number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) unsigned int bufsize; /* URB buffer size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) struct urb *urbin; /* Input URB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) char *inbuf; /* Input buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) dma_addr_t inbuf_dma; /* Input buffer dma */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) struct urb *urbctrl; /* Control URB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) struct usb_ctrlrequest *cr; /* Control request struct */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) struct hid_control_fifo ctrl[HID_CONTROL_FIFO_SIZE]; /* Control fifo */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) unsigned char ctrlhead, ctrltail; /* Control fifo head & tail */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) char *ctrlbuf; /* Control buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) dma_addr_t ctrlbuf_dma; /* Control buffer dma */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) unsigned long last_ctrl; /* record of last output for timeouts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) struct urb *urbout; /* Output URB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) struct hid_output_fifo out[HID_CONTROL_FIFO_SIZE]; /* Output pipe fifo */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) unsigned char outhead, outtail; /* Output pipe fifo head & tail */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) char *outbuf; /* Output buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) dma_addr_t outbuf_dma; /* Output buffer dma */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) unsigned long last_out; /* record of last output for timeouts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) struct mutex mutex; /* start/stop/open/close */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) spinlock_t lock; /* fifo spinlock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) unsigned long iofl; /* I/O flags (CTRL_RUNNING, OUT_RUNNING) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) struct timer_list io_retry; /* Retry timer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) unsigned long stop_retry; /* Time to give up, in jiffies */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) unsigned int retry_delay; /* Delay length in ms */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct work_struct reset_work; /* Task context for resets */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) wait_queue_head_t wait; /* For sleeping */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) #define hid_to_usb_dev(hid_dev) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) to_usb_device(hid_dev->dev.parent->parent)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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