^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) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * stk-webcam.h : Driver for Syntek 1125 USB webcam controller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2006 Nicolas VIVIEN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright 2007-2008 Jaime Velasco Juan <jsagarribay@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #ifndef STKWEBCAM_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define STKWEBCAM_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/usb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <media/v4l2-device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <media/v4l2-ctrls.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <media/v4l2-common.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define DRIVER_VERSION "v0.0.1"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define DRIVER_VERSION_NUM 0x000001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define MAX_ISO_BUFS 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define ISO_FRAMES_PER_DESC 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define ISO_MAX_FRAME_SIZE 3 * 1024
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define ISO_BUFFER_SIZE (ISO_FRAMES_PER_DESC * ISO_MAX_FRAME_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) struct stk_iso_buf {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) void *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) int length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) int read;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct urb *urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) /* Streaming IO buffers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct stk_sio_buffer {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct v4l2_buffer v4lbuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) char *buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) int mapcount;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) struct stk_camera *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) enum stk_mode {MODE_VGA, MODE_SXGA, MODE_CIF, MODE_QVGA, MODE_QCIF};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct stk_video {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) enum stk_mode mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) __u32 palette;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) int hflip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) int vflip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) enum stk_status {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) S_PRESENT = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) S_INITIALISED = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) S_MEMALLOCD = 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) S_STREAMING = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define is_present(dev) ((dev)->status & S_PRESENT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define is_initialised(dev) ((dev)->status & S_INITIALISED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define is_streaming(dev) ((dev)->status & S_STREAMING)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define is_memallocd(dev) ((dev)->status & S_MEMALLOCD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define set_present(dev) ((dev)->status = S_PRESENT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define unset_present(dev) ((dev)->status &= \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) ~(S_PRESENT|S_INITIALISED|S_STREAMING))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define set_initialised(dev) ((dev)->status |= S_INITIALISED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define unset_initialised(dev) ((dev)->status &= ~S_INITIALISED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define set_memallocd(dev) ((dev)->status |= S_MEMALLOCD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define unset_memallocd(dev) ((dev)->status &= ~S_MEMALLOCD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define set_streaming(dev) ((dev)->status |= S_STREAMING)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define unset_streaming(dev) ((dev)->status &= ~S_STREAMING)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) struct regval {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) unsigned reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) unsigned val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) struct stk_camera {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) struct v4l2_device v4l2_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) struct v4l2_ctrl_handler hdl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) struct video_device vdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) struct usb_device *udev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) struct usb_interface *interface;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) int webcam_model;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) struct file *owner;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) struct mutex lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) int first_init;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) u8 isoc_ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) /* Not sure if this is right */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) atomic_t urbs_used;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) struct stk_video vsettings;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) enum stk_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) spinlock_t spinlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) wait_queue_head_t wait_frame;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) struct stk_iso_buf *isobufs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) int frame_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) /* Streaming buffers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) int reading;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) unsigned int n_sbufs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) struct stk_sio_buffer *sio_bufs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) struct list_head sio_avail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) struct list_head sio_full;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) unsigned sequence;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) #define vdev_to_camera(d) container_of(d, struct stk_camera, vdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) int stk_camera_write_reg(struct stk_camera *, u16, u8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) int stk_camera_read_reg(struct stk_camera *, u16, u8 *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) int stk_sensor_init(struct stk_camera *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) int stk_sensor_configure(struct stk_camera *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) int stk_sensor_sleep(struct stk_camera *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) int stk_sensor_wakeup(struct stk_camera *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) int stk_sensor_set_brightness(struct stk_camera *dev, int br);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) #endif
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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