Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Robert Butora | 2705 | 99.34% | 2 | 40.00% |
Joe Perches | 17 | 0.62% | 2 | 40.00% |
Antonio Cardace | 1 | 0.04% | 1 | 20.00% |
Total | 2723 | 5 |
/* * Subdriver for Scopium astro-camera (DTCS033, 0547:7303) * * Copyright (C) 2014 Robert Butora (robert.butora.fi@gmail.com) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #define MODULE_NAME "dtcs033" #include "gspca.h" MODULE_AUTHOR("Robert Butora <robert.butora.fi@gmail.com>"); MODULE_DESCRIPTION("Scopium DTCS033 astro-cam USB Camera Driver"); MODULE_LICENSE("GPL"); struct dtcs033_usb_requests { u8 bRequestType; u8 bRequest; u16 wValue; u16 wIndex; u16 wLength; }; /* send a usb request */ static void reg_rw(struct gspca_dev *gspca_dev, u8 bRequestType, u8 bRequest, u16 wValue, u16 wIndex, u16 wLength) { struct usb_device *udev = gspca_dev->dev; int ret; if (gspca_dev->usb_err < 0) return; ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), bRequest, bRequestType, wValue, wIndex, gspca_dev->usb_buf, wLength, 500); if (ret < 0) { gspca_dev->usb_err = ret; pr_err("usb_control_msg error %d\n", ret); } return; } /* send several usb in/out requests */ static int reg_reqs(struct gspca_dev *gspca_dev, const struct dtcs033_usb_requests *preqs, int n_reqs) { int i = 0; const struct dtcs033_usb_requests *preq; while ((i < n_reqs) && (gspca_dev->usb_err >= 0)) { preq = &preqs[i]; reg_rw(gspca_dev, preq->bRequestType, preq->bRequest, preq->wValue, preq->wIndex, preq->wLength); if (gspca_dev->usb_err < 0) { gspca_err(gspca_dev, "usb error request no: %d / %d\n", i, n_reqs); } else if (preq->bRequestType & USB_DIR_IN) { gspca_dbg(gspca_dev, D_STREAM, "USB IN (%d) returned[%d] %3ph %s", i, preq->wLength, gspca_dev->usb_buf, preq->wLength > 3 ? "...\n" : "\n"); } i++; } return gspca_dev->usb_err; } /* -- subdriver interface implementation -- */ #define DT_COLS (640) static const struct v4l2_pix_format dtcs033_mode[] = { /* raw Bayer patterned output */ {DT_COLS, 480, V4L2_PIX_FMT_GREY, V4L2_FIELD_NONE, .bytesperline = DT_COLS, .sizeimage = DT_COLS*480, .colorspace = V4L2_COLORSPACE_SRGB, }, /* this mode will demosaic the Bayer pattern */ {DT_COLS, 480, V4L2_PIX_FMT_SRGGB8, V4L2_FIELD_NONE, .bytesperline = DT_COLS, .sizeimage = DT_COLS*480, .colorspace = V4L2_COLORSPACE_SRGB, } }; /* config called at probe time */ static int sd_config(struct gspca_dev *gspca_dev, const struct usb_device_id *id) { gspca_dev->cam.cam_mode = dtcs033_mode; gspca_dev->cam.nmodes = ARRAY_SIZE(dtcs033_mode); gspca_dev->cam.bulk = 1; gspca_dev->cam.bulk_nurbs = 1; gspca_dev->cam.bulk_size = DT_COLS*512; return 0; } /* init called at probe and resume time */ static int sd_init(struct gspca_dev *gspca_dev) { return 0; } /* start stop the camera */ static int dtcs033_start(struct gspca_dev *gspca_dev); static void dtcs033_stopN(struct gspca_dev *gspca_dev); /* intercept camera image data */ static void dtcs033_pkt_scan(struct gspca_dev *gspca_dev, u8 *data, /* packet data */ int len) /* packet data length */ { /* drop incomplete frames */ if (len != DT_COLS*512) { gspca_dev->last_packet_type = DISCARD_PACKET; /* gspca.c: discard invalidates the whole frame. */ return; } /* forward complete frames */ gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0); gspca_frame_add(gspca_dev, INTER_PACKET, data + 16*DT_COLS, len - 32*DT_COLS); /* skip first & last 16 lines */ gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0); return; } /* -- controls: exposure and gain -- */ static void dtcs033_setexposure(struct gspca_dev *gspca_dev, s32 expo, s32 gain) { /* gain [dB] encoding */ u16 sGain = (u16)gain; u16 gainVal = 224+(sGain-14)*(768-224)/(33-14); u16 wIndex = 0x0100|(0x00FF&gainVal); u16 wValue = (0xFF00&gainVal)>>8; /* exposure time [msec] encoding */ u16 sXTime = (u16)expo; u16 xtimeVal = (524*(150-(sXTime-1)))/150; const u8 bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE; const u8 bRequest = 0x18; reg_rw(gspca_dev, bRequestType, bRequest, wValue, wIndex, 0); if (gspca_dev->usb_err < 0) gspca_err(gspca_dev, "usb error in setexposure(gain) sequence\n"); reg_rw(gspca_dev, bRequestType, bRequest, (xtimeVal<<4), 0x6300, 0); if (gspca_dev->usb_err < 0) gspca_err(gspca_dev, "usb error in setexposure(time) sequence\n"); } /* specific webcam descriptor */ struct sd { struct gspca_dev gspca_dev;/* !! must be the first item */ /* exposure & gain controls */ struct { struct v4l2_ctrl *exposure; struct v4l2_ctrl *gain; }; }; static int sd_s_ctrl(struct v4l2_ctrl *ctrl) { struct gspca_dev *gspca_dev = container_of(ctrl->handler, struct gspca_dev, ctrl_handler); struct sd *sd = (struct sd *) gspca_dev; gspca_dev->usb_err = 0; if (!gspca_dev->streaming) return 0; switch (ctrl->id) { case V4L2_CID_EXPOSURE: dtcs033_setexposure(gspca_dev, ctrl->val, sd->gain->val); break; case V4L2_CID_GAIN: dtcs033_setexposure(gspca_dev, sd->exposure->val, ctrl->val); break; } return gspca_dev->usb_err; } static const struct v4l2_ctrl_ops sd_ctrl_ops = { .s_ctrl = sd_s_ctrl, }; static int dtcs033_init_controls(struct gspca_dev *gspca_dev) { struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler; struct sd *sd = (struct sd *) gspca_dev; gspca_dev->vdev.ctrl_handler = hdl; v4l2_ctrl_handler_init(hdl, 2); /* min max step default */ sd->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, V4L2_CID_EXPOSURE, 1, 150, 1, 75);/* [msec] */ sd->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, V4L2_CID_GAIN, 14, 33, 1, 24);/* [dB] */ if (hdl->error) { gspca_err(gspca_dev, "Could not initialize controls: %d\n", hdl->error); return hdl->error; } v4l2_ctrl_cluster(2, &sd->exposure); return 0; } /* sub-driver description */ static const struct sd_desc sd_desc = { .name = MODULE_NAME, .config = sd_config, .init = sd_init, .start = dtcs033_start, .stopN = dtcs033_stopN, .pkt_scan = dtcs033_pkt_scan, .init_controls = dtcs033_init_controls, }; /* -- module initialisation -- */ static const struct usb_device_id device_table[] = { {USB_DEVICE(0x0547, 0x7303)}, {} }; MODULE_DEVICE_TABLE(usb, device_table); /* device connect */ static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id) { return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), THIS_MODULE); } static struct usb_driver sd_driver = { .name = MODULE_NAME, .id_table = device_table, .probe = sd_probe, .disconnect = gspca_disconnect, #ifdef CONFIG_PM .suspend = gspca_suspend, .resume = gspca_resume, .reset_resume = gspca_resume, #endif }; module_usb_driver(sd_driver); /* --------------------------------------------------------- USB requests to start/stop the camera [USB 2.0 spec Ch.9]. bRequestType : 0x40 = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0xC0 = USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, */ static const struct dtcs033_usb_requests dtcs033_start_reqs[] = { /* -- bRequest,wValue,wIndex,wLength */ { 0x40, 0x01, 0x0001, 0x000F, 0x0000 }, { 0x40, 0x01, 0x0000, 0x000F, 0x0000 }, { 0x40, 0x01, 0x0001, 0x000F, 0x0000 }, { 0x40, 0x18, 0x0000, 0x7F00, 0x0000 }, { 0x40, 0x18, 0x0000, 0x1001, 0x0000 }, { 0x40, 0x18, 0x0000, 0x0004, 0x0000 }, { 0x40, 0x18, 0x0000, 0x7F01, 0x0000 }, { 0x40, 0x18, 0x30E0, 0x0009, 0x0000 }, { 0x40, 0x18, 0x0500, 0x012C, 0x0000 }, { 0x40, 0x18, 0x0380, 0x0200, 0x0000 }, { 0x40, 0x18, 0x0000, 0x035C, 0x0000 }, { 0x40, 0x18, 0x05C0, 0x0438, 0x0000 }, { 0x40, 0x18, 0x0440, 0x0500, 0x0000 }, { 0x40, 0x18, 0x0000, 0x0668, 0x0000 }, { 0x40, 0x18, 0x0000, 0x0700, 0x0000 }, { 0x40, 0x18, 0x0000, 0x0800, 0x0000 }, { 0x40, 0x18, 0x0000, 0x0900, 0x0000 }, { 0x40, 0x18, 0x0000, 0x0A00, 0x0000 }, { 0x40, 0x18, 0x0000, 0x0B00, 0x0000 }, { 0x40, 0x18, 0x30E0, 0x6009, 0x0000 }, { 0x40, 0x18, 0x0500, 0x612C, 0x0000 }, { 0x40, 0x18, 0x2090, 0x6274, 0x0000 }, { 0x40, 0x18, 0x05C0, 0x6338, 0x0000 }, { 0x40, 0x18, 0x0000, 0x6400, 0x0000 }, { 0x40, 0x18, 0x05C0, 0x6538, 0x0000 }, { 0x40, 0x18, 0x0000, 0x6600, 0x0000 }, { 0x40, 0x18, 0x0680, 0x6744, 0x0000 }, { 0x40, 0x18, 0x0000, 0x6800, 0x0000 }, { 0x40, 0x18, 0x0000, 0x6900, 0x0000 }, { 0x40, 0x18, 0x0000, 0x6A00, 0x0000 }, { 0x40, 0x18, 0x0000, 0x6B00, 0x0000 }, { 0x40, 0x18, 0x0000, 0x6C00, 0x0000 }, { 0x40, 0x18, 0x0000, 0x6D00, 0x0000 }, { 0x40, 0x18, 0x0000, 0x6E00, 0x0000 }, { 0x40, 0x18, 0x0000, 0x808C, 0x0000 }, { 0x40, 0x18, 0x0010, 0x8101, 0x0000 }, { 0x40, 0x18, 0x30E0, 0x8200, 0x0000 }, { 0x40, 0x18, 0x0810, 0x832C, 0x0000 }, { 0x40, 0x18, 0x0680, 0x842B, 0x0000 }, { 0x40, 0x18, 0x0000, 0x8500, 0x0000 }, { 0x40, 0x18, 0x0000, 0x8600, 0x0000 }, { 0x40, 0x18, 0x0280, 0x8715, 0x0000 }, { 0x40, 0x18, 0x0000, 0x880C, 0x0000 }, { 0x40, 0x18, 0x0010, 0x8901, 0x0000 }, { 0x40, 0x18, 0x30E0, 0x8A00, 0x0000 }, { 0x40, 0x18, 0x0810, 0x8B2C, 0x0000 }, { 0x40, 0x18, 0x0680, 0x8C2B, 0x0000 }, { 0x40, 0x18, 0x0000, 0x8D00, 0x0000 }, { 0x40, 0x18, 0x0000, 0x8E00, 0x0000 }, { 0x40, 0x18, 0x0280, 0x8F15, 0x0000 }, { 0x40, 0x18, 0x0010, 0xD040, 0x0000 }, { 0x40, 0x18, 0x0000, 0xD100, 0x0000 }, { 0x40, 0x18, 0x00B0, 0xD20A, 0x0000 }, { 0x40, 0x18, 0x0000, 0xD300, 0x0000 }, { 0x40, 0x18, 0x30E2, 0xD40D, 0x0000 }, { 0x40, 0x18, 0x0001, 0xD5C0, 0x0000 }, { 0x40, 0x18, 0x00A0, 0xD60A, 0x0000 }, { 0x40, 0x18, 0x0000, 0xD700, 0x0000 }, { 0x40, 0x18, 0x0000, 0x7F00, 0x0000 }, { 0x40, 0x18, 0x0000, 0x1501, 0x0000 }, { 0x40, 0x18, 0x0001, 0x01FF, 0x0000 }, { 0x40, 0x18, 0x0000, 0x0200, 0x0000 }, { 0x40, 0x18, 0x0000, 0x0304, 0x0000 }, { 0x40, 0x18, 0x0000, 0x1101, 0x0000 }, { 0x40, 0x18, 0x0000, 0x1201, 0x0000 }, { 0x40, 0x18, 0x0000, 0x1300, 0x0000 }, { 0x40, 0x18, 0x0000, 0x1400, 0x0000 }, { 0x40, 0x18, 0x0000, 0x1601, 0x0000 }, { 0x40, 0x18, 0x0000, 0x1800, 0x0000 }, { 0x40, 0x18, 0x0000, 0x1900, 0x0000 }, { 0x40, 0x18, 0x0000, 0x1A00, 0x0000 }, { 0x40, 0x18, 0x2000, 0x1B00, 0x0000 }, { 0x40, 0x18, 0x0000, 0x1C00, 0x0000 }, { 0x40, 0x18, 0x0000, 0x2100, 0x0000 }, { 0x40, 0x18, 0x00C0, 0x228E, 0x0000 }, { 0x40, 0x18, 0x0000, 0x3001, 0x0000 }, { 0x40, 0x18, 0x0010, 0x3101, 0x0000 }, { 0x40, 0x18, 0x0008, 0x3301, 0x0000 }, { 0x40, 0x18, 0x0000, 0x3400, 0x0000 }, { 0x40, 0x18, 0x0012, 0x3549, 0x0000 }, { 0x40, 0x18, 0x0000, 0x3620, 0x0000 }, { 0x40, 0x18, 0x0001, 0x3700, 0x0000 }, { 0x40, 0x18, 0x0000, 0x4000, 0x0000 }, { 0x40, 0x18, 0xFFFF, 0x41FF, 0x0000 }, { 0x40, 0x18, 0xFFFF, 0x42FF, 0x0000 }, { 0x40, 0x18, 0x0000, 0x500F, 0x0000 }, { 0x40, 0x18, 0x2272, 0x5108, 0x0000 }, { 0x40, 0x18, 0x2272, 0x5208, 0x0000 }, { 0x40, 0x18, 0xFFFF, 0x53FF, 0x0000 }, { 0x40, 0x18, 0xFFFF, 0x54FF, 0x0000 }, { 0x40, 0x18, 0x0000, 0x6000, 0x0000 }, { 0x40, 0x18, 0x0000, 0x6102, 0x0000 }, { 0x40, 0x18, 0x0010, 0x6214, 0x0000 }, { 0x40, 0x18, 0x0C80, 0x6300, 0x0000 }, { 0x40, 0x18, 0x0000, 0x6401, 0x0000 }, { 0x40, 0x18, 0x0680, 0x6551, 0x0000 }, { 0x40, 0x18, 0xFFFF, 0x66FF, 0x0000 }, { 0x40, 0x18, 0x0000, 0x6702, 0x0000 }, { 0x40, 0x18, 0x0010, 0x6800, 0x0000 }, { 0x40, 0x18, 0x0000, 0x6900, 0x0000 }, { 0x40, 0x18, 0x0000, 0x6A00, 0x0000 }, { 0x40, 0x18, 0x0000, 0x6B00, 0x0000 }, { 0x40, 0x18, 0x0000, 0x6C00, 0x0000 }, { 0x40, 0x18, 0x0000, 0x6D01, 0x0000 }, { 0x40, 0x18, 0x0000, 0x6E00, 0x0000 }, { 0x40, 0x18, 0x0000, 0x6F00, 0x0000 }, { 0x40, 0x18, 0x0000, 0x7000, 0x0000 }, { 0x40, 0x18, 0x0001, 0x7118, 0x0000 }, { 0x40, 0x18, 0x0000, 0x2001, 0x0000 }, { 0x40, 0x18, 0x0000, 0x1101, 0x0000 }, { 0x40, 0x18, 0x0000, 0x1301, 0x0000 }, { 0x40, 0x18, 0x0000, 0x1300, 0x0000 }, { 0x40, 0x18, 0x0000, 0x1501, 0x0000 }, { 0xC0, 0x11, 0x0000, 0x24C0, 0x0003 }, { 0x40, 0x18, 0x0000, 0x3000, 0x0000 }, { 0x40, 0x18, 0x0000, 0x3620, 0x0000 }, { 0x40, 0x18, 0x0000, 0x1501, 0x0000 }, { 0x40, 0x18, 0x0010, 0x6300, 0x0000 }, { 0x40, 0x18, 0x0002, 0x01F0, 0x0000 }, { 0x40, 0x01, 0x0003, 0x000F, 0x0000 } }; static const struct dtcs033_usb_requests dtcs033_stop_reqs[] = { /* -- bRequest,wValue,wIndex,wLength */ { 0x40, 0x01, 0x0001, 0x000F, 0x0000 }, { 0x40, 0x01, 0x0000, 0x000F, 0x0000 }, { 0x40, 0x18, 0x0000, 0x0003, 0x0000 } }; static int dtcs033_start(struct gspca_dev *gspca_dev) { return reg_reqs(gspca_dev, dtcs033_start_reqs, ARRAY_SIZE(dtcs033_start_reqs)); } static void dtcs033_stopN(struct gspca_dev *gspca_dev) { reg_reqs(gspca_dev, dtcs033_stop_reqs, ARRAY_SIZE(dtcs033_stop_reqs)); return; }
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