// SPDX-License-Identifier: GPL-2.0-or-later /* * ov534-ov7xxx gspca driver * * Copyright (C) 2008 Antonio Ospite <[email protected]> * Copyright (C) 2008 Jim Paris <[email protected]> * Copyright (C) 2009 Jean-Francois Moine http://moinejf.free.fr * * Based on a prototype written by Mark Ferrell <[email protected]> * USB protocol reverse engineered by Jim Paris <[email protected]> * https://jim.sh/svn/jim/devl/playstation/ps3/eye/test/ * * PS3 Eye camera enhanced by Richard Kaswy http://kaswy.free.fr * PS3 Eye camera - brightness, contrast, awb, agc, aec controls * added by Max Thrun <[email protected]> * PS3 Eye camera - FPS range extended by Joseph Howse * <[email protected]> https://nummist.com */ #define pr_fmt(fmt) … #define MODULE_NAME … #include "gspca.h" #include <linux/fixp-arith.h> #include <media/v4l2-ctrls.h> #define OV534_REG_ADDRESS … #define OV534_REG_SUBADDR … #define OV534_REG_WRITE … #define OV534_REG_READ … #define OV534_REG_OPERATION … #define OV534_REG_STATUS … #define OV534_OP_WRITE_3 … #define OV534_OP_WRITE_2 … #define OV534_OP_READ_2 … #define CTRL_TIMEOUT … #define DEFAULT_FRAME_RATE … MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; /* specific webcam descriptor */ struct sd { … }; enum sensors { … }; static int sd_start(struct gspca_dev *gspca_dev); static void sd_stopN(struct gspca_dev *gspca_dev); static const struct v4l2_pix_format ov772x_mode[] = …; static const struct v4l2_pix_format ov767x_mode[] = …; static const u8 qvga_rates[] = …; static const u8 vga_rates[] = …; static const struct framerates ov772x_framerates[] = …; struct reg_array { … }; static const u8 bridge_init_767x[][2] = …; static const u8 sensor_init_767x[][2] = …; static const u8 bridge_start_vga_767x[][2] = …; static const u8 sensor_start_vga_767x[][2] = …; static const u8 bridge_start_qvga_767x[][2] = …; static const u8 sensor_start_qvga_767x[][2] = …; static const u8 bridge_init_772x[][2] = …; static const u8 sensor_init_772x[][2] = …; static const u8 bridge_start_vga_yuyv_772x[][2] = …; static const u8 sensor_start_vga_yuyv_772x[][2] = …; static const u8 bridge_start_qvga_yuyv_772x[][2] = …; static const u8 sensor_start_qvga_yuyv_772x[][2] = …; static const u8 bridge_start_vga_gbrg_772x[][2] = …; static const u8 sensor_start_vga_gbrg_772x[][2] = …; static const u8 bridge_start_qvga_gbrg_772x[][2] = …; static const u8 sensor_start_qvga_gbrg_772x[][2] = …; static void ov534_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val) { … } static u8 ov534_reg_read(struct gspca_dev *gspca_dev, u16 reg) { … } /* Two bits control LED: 0x21 bit 7 and 0x23 bit 7. * (direction and output)? */ static void ov534_set_led(struct gspca_dev *gspca_dev, int status) { … } static int sccb_check_status(struct gspca_dev *gspca_dev) { … } static void sccb_reg_write(struct gspca_dev *gspca_dev, u8 reg, u8 val) { … } static u8 sccb_reg_read(struct gspca_dev *gspca_dev, u16 reg) { … } /* output a bridge sequence (reg - val) */ static void reg_w_array(struct gspca_dev *gspca_dev, const u8 (*data)[2], int len) { … } /* output a sensor sequence (reg - val) */ static void sccb_w_array(struct gspca_dev *gspca_dev, const u8 (*data)[2], int len) { … } /* ov772x specific controls */ static void set_frame_rate(struct gspca_dev *gspca_dev) { … } static void sethue(struct gspca_dev *gspca_dev, s32 val) { … } static void setsaturation(struct gspca_dev *gspca_dev, s32 val) { … } static void setbrightness(struct gspca_dev *gspca_dev, s32 val) { … } static void setcontrast(struct gspca_dev *gspca_dev, s32 val) { … } static void setgain(struct gspca_dev *gspca_dev, s32 val) { … } static s32 getgain(struct gspca_dev *gspca_dev) { … } static void setexposure(struct gspca_dev *gspca_dev, s32 val) { … } static s32 getexposure(struct gspca_dev *gspca_dev) { … } static void setagc(struct gspca_dev *gspca_dev, s32 val) { … } static void setawb(struct gspca_dev *gspca_dev, s32 val) { … } static void setaec(struct gspca_dev *gspca_dev, s32 val) { … } static void setsharpness(struct gspca_dev *gspca_dev, s32 val) { … } static void sethvflip(struct gspca_dev *gspca_dev, s32 hflip, s32 vflip) { … } static void setlightfreq(struct gspca_dev *gspca_dev, s32 val) { … } /* this function is called at probe time */ static int sd_config(struct gspca_dev *gspca_dev, const struct usb_device_id *id) { … } static int ov534_g_volatile_ctrl(struct v4l2_ctrl *ctrl) { … } static int ov534_s_ctrl(struct v4l2_ctrl *ctrl) { … } static const struct v4l2_ctrl_ops ov534_ctrl_ops = …; static int sd_init_controls(struct gspca_dev *gspca_dev) { … } /* this function is called at probe and resume time */ static int sd_init(struct gspca_dev *gspca_dev) { … } static int sd_start(struct gspca_dev *gspca_dev) { … } static void sd_stopN(struct gspca_dev *gspca_dev) { … } /* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */ #define UVC_STREAM_EOH … #define UVC_STREAM_ERR … #define UVC_STREAM_STI … #define UVC_STREAM_RES … #define UVC_STREAM_SCR … #define UVC_STREAM_PTS … #define UVC_STREAM_EOF … #define UVC_STREAM_FID … static void sd_pkt_scan(struct gspca_dev *gspca_dev, u8 *data, int len) { … } /* get stream parameters (framerate) */ static void sd_get_streamparm(struct gspca_dev *gspca_dev, struct v4l2_streamparm *parm) { … } /* set stream parameters (framerate) */ static void sd_set_streamparm(struct gspca_dev *gspca_dev, struct v4l2_streamparm *parm) { … } /* sub-driver description */ static const struct sd_desc sd_desc = …; /* -- module initialisation -- */ static const struct usb_device_id device_table[] = …; MODULE_DEVICE_TABLE(usb, device_table); /* -- device connect -- */ static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id) { … } static struct usb_driver sd_driver = …; module_usb_driver(…) …;
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