// SPDX-License-Identifier: GPL-2.0-or-later /* * USB IBM C-It Video Camera driver * * Supports Xirlink C-It Video Camera, IBM PC Camera, * IBM NetCamera and Veo Stingray. * * Copyright (C) 2010 Hans de Goede <[email protected]> * * This driver is based on earlier work of: * * (C) Copyright 1999 Johannes Erdfelt * (C) Copyright 1999 Randy Dunlap */ #define pr_fmt(fmt) … #define MODULE_NAME … #include <linux/input.h> #include "gspca.h" MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; /* FIXME we should autodetect this */ static int ibm_netcam_pro; module_param(ibm_netcam_pro, int, 0); MODULE_PARM_DESC(…) …; /* FIXME this should be handled through the V4L2 input selection API */ static int rca_input; module_param(rca_input, int, 0644); MODULE_PARM_DESC(…) …; /* specific webcam descriptor */ struct sd { … }; static void sd_stop0(struct gspca_dev *gspca_dev); static const struct v4l2_pix_format cif_yuv_mode[] = …; static const struct v4l2_pix_format vga_yuv_mode[] = …; static const struct v4l2_pix_format model0_mode[] = …; static const struct v4l2_pix_format model2_mode[] = …; /* * 01.01.08 - Added for RCA video in support -LO * This struct is used to init the Model3 cam to use the RCA video in port * instead of the CCD sensor. */ static const u16 rca_initdata[][3] = …; /* TESTME the old ibmcam driver repeats certain commands to Model1 cameras, we do the same for now (testing needed to see if this is really necessary) */ static const int cit_model1_ntries = …; static const int cit_model1_ntries2 = …; static int cit_write_reg(struct gspca_dev *gspca_dev, u16 value, u16 index) { … } static int cit_read_reg(struct gspca_dev *gspca_dev, u16 index, int verbose) { … } /* * cit_send_FF_04_02() * * This procedure sends magic 3-command prefix to the camera. * The purpose of this prefix is not known. * * History: * 1/2/00 Created. */ static void cit_send_FF_04_02(struct gspca_dev *gspca_dev) { … } static void cit_send_00_04_06(struct gspca_dev *gspca_dev) { … } static void cit_send_x_00(struct gspca_dev *gspca_dev, unsigned short x) { … } static void cit_send_x_00_05(struct gspca_dev *gspca_dev, unsigned short x) { … } static void cit_send_x_00_05_02(struct gspca_dev *gspca_dev, unsigned short x) { … } static void cit_send_x_01_00_05(struct gspca_dev *gspca_dev, u16 x) { … } static void cit_send_x_00_05_02_01(struct gspca_dev *gspca_dev, u16 x) { … } static void cit_send_x_00_05_02_08_01(struct gspca_dev *gspca_dev, u16 x) { … } static void cit_Packet_Format1(struct gspca_dev *gspca_dev, u16 fkey, u16 val) { … } static void cit_PacketFormat2(struct gspca_dev *gspca_dev, u16 fkey, u16 val) { … } static void cit_model2_Packet2(struct gspca_dev *gspca_dev) { … } static void cit_model2_Packet1(struct gspca_dev *gspca_dev, u16 v1, u16 v2) { … } /* * cit_model3_Packet1() * * 00_0078_012d * 00_0097_012f * 00_d141_0124 * 00_0096_0127 * 00_fea8_0124 */ static void cit_model3_Packet1(struct gspca_dev *gspca_dev, u16 v1, u16 v2) { … } static void cit_model4_Packet1(struct gspca_dev *gspca_dev, u16 v1, u16 v2) { … } static void cit_model4_BrightnessPacket(struct gspca_dev *gspca_dev, u16 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 cit_init_model0(struct gspca_dev *gspca_dev) { … } static int cit_init_ibm_netcam_pro(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 cit_set_brightness(struct gspca_dev *gspca_dev, s32 val) { … } static int cit_set_contrast(struct gspca_dev *gspca_dev, s32 val) { … } static int cit_set_hue(struct gspca_dev *gspca_dev, s32 val) { … } static int cit_set_sharpness(struct gspca_dev *gspca_dev, s32 val) { … } /* * cit_set_lighting() * * Camera model 1: * We have 3 levels of lighting conditions: 0=Bright, 1=Medium, 2=Low. * * Camera model 2: * We have 16 levels of lighting, 0 for bright light and up to 15 for * low light. But values above 5 or so are useless because camera is * not really capable to produce anything worth viewing at such light. * This setting may be altered only in certain camera state. * * Low lighting forces slower FPS. * * History: * 1/5/00 Created. * 2/20/00 Added support for Model 2 cameras. */ static void cit_set_lighting(struct gspca_dev *gspca_dev, s32 val) { … } static void cit_set_hflip(struct gspca_dev *gspca_dev, s32 val) { … } static int cit_restart_stream(struct gspca_dev *gspca_dev) { … } static int cit_get_packet_size(struct gspca_dev *gspca_dev) { … } /* Calculate the clockdiv giving us max fps given the available bandwidth */ static int cit_get_clock_div(struct gspca_dev *gspca_dev) { … } static int cit_start_model0(struct gspca_dev *gspca_dev) { … } static int cit_start_model1(struct gspca_dev *gspca_dev) { … } static int cit_start_model2(struct gspca_dev *gspca_dev) { … } static int cit_start_model3(struct gspca_dev *gspca_dev) { … } static int cit_start_model4(struct gspca_dev *gspca_dev) { … } static int cit_start_ibm_netcam_pro(struct gspca_dev *gspca_dev) { … } /* -- start the camera -- */ static int sd_start(struct gspca_dev *gspca_dev) { … } static int sd_isoc_init(struct gspca_dev *gspca_dev) { … } static int sd_isoc_nego(struct gspca_dev *gspca_dev) { … } static void sd_stopN(struct gspca_dev *gspca_dev) { … } static void sd_stop0(struct gspca_dev *gspca_dev) { … } static u8 *cit_find_sof(struct gspca_dev *gspca_dev, u8 *data, int len) { … } static void sd_pkt_scan(struct gspca_dev *gspca_dev, u8 *data, int len) { … } #if IS_ENABLED(CONFIG_INPUT) static void cit_check_button(struct gspca_dev *gspca_dev) { … } #endif static int sd_s_ctrl(struct v4l2_ctrl *ctrl) { … } static const struct v4l2_ctrl_ops sd_ctrl_ops = …; static int sd_init_controls(struct gspca_dev *gspca_dev) { … } /* sub-driver description */ static const struct sd_desc sd_desc = …; static const struct sd_desc sd_desc_isoc_nego = …; /* -- 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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