diff options
Diffstat (limited to 'drivers/media/video/gspca/stv0680.c')
| -rw-r--r-- | drivers/media/video/gspca/stv0680.c | 353 |
1 files changed, 0 insertions, 353 deletions
diff --git a/drivers/media/video/gspca/stv0680.c b/drivers/media/video/gspca/stv0680.c deleted file mode 100644 index 6760527..0000000 --- a/drivers/media/video/gspca/stv0680.c +++ /dev/null @@ -1,353 +0,0 @@ -/* - * STV0680 USB Camera Driver - * - * Copyright (C) 2009 Hans de Goede <hdegoede@redhat.com> - * - * This module is adapted from the in kernel v4l1 stv680 driver: - * - * STV0680 USB Camera Driver, by Kevin Sisson (kjsisson@bellsouth.net) - * - * Thanks to STMicroelectronics for information on the usb commands, and - * to Steve Miller at STM for his help and encouragement while I was - * writing this driver. - * - * 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 - * (at your option) 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#define MODULE_NAME "stv0680" - -#include "gspca.h" - -MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>"); -MODULE_DESCRIPTION("STV0680 USB Camera Driver"); -MODULE_LICENSE("GPL"); - -/* specific webcam descriptor */ -struct sd { - struct gspca_dev gspca_dev; /* !! must be the first item */ - struct v4l2_pix_format mode; - u8 orig_mode; - u8 video_mode; - u8 current_mode; -}; - -static int stv_sndctrl(struct gspca_dev *gspca_dev, int set, u8 req, u16 val, - int size) -{ - int ret = -1; - u8 req_type = 0; - unsigned int pipe = 0; - - switch (set) { - case 0: /* 0xc1 */ - req_type = USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT; - pipe = usb_rcvctrlpipe(gspca_dev->dev, 0); - break; - case 1: /* 0x41 */ - req_type = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT; - pipe = usb_sndctrlpipe(gspca_dev->dev, 0); - break; - case 2: /* 0x80 */ - req_type = USB_DIR_IN | USB_RECIP_DEVICE; - pipe = usb_rcvctrlpipe(gspca_dev->dev, 0); - break; - case 3: /* 0x40 */ - req_type = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE; - pipe = usb_sndctrlpipe(gspca_dev->dev, 0); - break; - } - - ret = usb_control_msg(gspca_dev->dev, pipe, - req, req_type, - val, 0, gspca_dev->usb_buf, size, 500); - - if ((ret < 0) && (req != 0x0a)) - pr_err("usb_control_msg error %i, request = 0x%x, error = %i\n", - set, req, ret); - - return ret; -} - -static int stv0680_handle_error(struct gspca_dev *gspca_dev, int ret) -{ - stv_sndctrl(gspca_dev, 0, 0x80, 0, 0x02); /* Get Last Error */ - PDEBUG(D_ERR, "last error: %i, command = 0x%x", - gspca_dev->usb_buf[0], gspca_dev->usb_buf[1]); - return ret; -} - -static int stv0680_get_video_mode(struct gspca_dev *gspca_dev) -{ - /* Note not sure if this init of usb_buf is really necessary */ - memset(gspca_dev->usb_buf, 0, 8); - gspca_dev->usb_buf[0] = 0x0f; - - if (stv_sndctrl(gspca_dev, 0, 0x87, 0, 0x08) != 0x08) { - PDEBUG(D_ERR, "Get_Camera_Mode failed"); - return stv0680_handle_error(gspca_dev, -EIO); - } - - return gspca_dev->usb_buf[0]; /* 01 = VGA, 03 = QVGA, 00 = CIF */ -} - -static int stv0680_set_video_mode(struct gspca_dev *gspca_dev, u8 mode) -{ - struct sd *sd = (struct sd *) gspca_dev; - - if (sd->current_mode == mode) - return 0; - - memset(gspca_dev->usb_buf, 0, 8); - gspca_dev->usb_buf[0] = mode; - - if (stv_sndctrl(gspca_dev, 3, 0x07, 0x0100, 0x08) != 0x08) { - PDEBUG(D_ERR, "Set_Camera_Mode failed"); - return stv0680_handle_error(gspca_dev, -EIO); - } - - /* Verify we got what we've asked for */ - if (stv0680_get_video_mode(gspca_dev) != mode) { - PDEBUG(D_ERR, "Error setting camera video mode!"); - return -EIO; - } - - sd->current_mode = mode; - - return 0; -} - -/* this function is called at probe time */ -static int sd_config(struct gspca_dev *gspca_dev, - const struct usb_device_id *id) -{ - int ret; - struct sd *sd = (struct sd *) gspca_dev; - struct cam *cam = &gspca_dev->cam; - - /* Give the camera some time to settle, otherwise initalization will - fail on hotplug, and yes it really needs a full second. */ - msleep(1000); - - /* ping camera to be sure STV0680 is present */ - if (stv_sndctrl(gspca_dev, 0, 0x88, 0x5678, 0x02) != 0x02 || - gspca_dev->usb_buf[0] != 0x56 || gspca_dev->usb_buf[1] != 0x78) { - PDEBUG(D_ERR, "STV(e): camera ping failed!!"); - return stv0680_handle_error(gspca_dev, -ENODEV); - } - - /* get camera descriptor */ - if (stv_sndctrl(gspca_dev, 2, 0x06, 0x0200, 0x09) != 0x09) - return stv0680_handle_error(gspca_dev, -ENODEV); - - if (stv_sndctrl(gspca_dev, 2, 0x06, 0x0200, 0x22) != 0x22 || - gspca_dev->usb_buf[7] != 0xa0 || gspca_dev->usb_buf[8] != 0x23) { - PDEBUG(D_ERR, "Could not get descriptor 0200."); - return stv0680_handle_error(gspca_dev, -ENODEV); - } - if (stv_sndctrl(gspca_dev, 0, 0x8a, 0, 0x02) != 0x02) - return stv0680_handle_error(gspca_dev, -ENODEV); - if (stv_sndctrl(gspca_dev, 0, 0x8b, 0, 0x24) != 0x24) - return stv0680_handle_error(gspca_dev, -ENODEV); - if (stv_sndctrl(gspca_dev, 0, 0x85, 0, 0x10) != 0x10) - return stv0680_handle_error(gspca_dev, -ENODEV); - - if (!(gspca_dev->usb_buf[7] & 0x09)) { - PDEBUG(D_ERR, "Camera supports neither CIF nor QVGA mode"); - return -ENODEV; - } - if (gspca_dev->usb_buf[7] & 0x01) - PDEBUG(D_PROBE, "Camera supports CIF mode"); - if (gspca_dev->usb_buf[7] & 0x02) - PDEBUG(D_PROBE, "Camera supports VGA mode"); - if (gspca_dev->usb_buf[7] & 0x04) - PDEBUG(D_PROBE, "Camera supports QCIF mode"); - if (gspca_dev->usb_buf[7] & 0x08) - PDEBUG(D_PROBE, "Camera supports QVGA mode"); - - if (gspca_dev->usb_buf[7] & 0x01) - sd->video_mode = 0x00; /* CIF */ - else - sd->video_mode = 0x03; /* QVGA */ - - /* FW rev, ASIC rev, sensor ID */ - PDEBUG(D_PROBE, "Firmware rev is %i.%i", - gspca_dev->usb_buf[0], gspca_dev->usb_buf[1]); - PDEBUG(D_PROBE, "ASIC rev is %i.%i", - gspca_dev->usb_buf[2], gspca_dev->usb_buf[3]); - PDEBUG(D_PROBE, "Sensor ID is %i", - (gspca_dev->usb_buf[4]*16) + (gspca_dev->usb_buf[5]>>4)); - - - ret = stv0680_get_video_mode(gspca_dev); - if (ret < 0) - return ret; - sd->current_mode = sd->orig_mode = ret; - - ret = stv0680_set_video_mode(gspca_dev, sd->video_mode); - if (ret < 0) - return ret; - - /* Get mode details */ - if (stv_sndctrl(gspca_dev, 0, 0x8f, 0, 0x10) != 0x10) - return stv0680_handle_error(gspca_dev, -EIO); - - cam->bulk = 1; - cam->bulk_nurbs = 1; /* The cam cannot handle more */ - cam->bulk_size = (gspca_dev->usb_buf[0] << 24) | - (gspca_dev->usb_buf[1] << 16) | - (gspca_dev->usb_buf[2] << 8) | - (gspca_dev->usb_buf[3]); - sd->mode.width = (gspca_dev->usb_buf[4] << 8) | - (gspca_dev->usb_buf[5]); /* 322, 356, 644 */ - sd->mode.height = (gspca_dev->usb_buf[6] << 8) | - (gspca_dev->usb_buf[7]); /* 242, 292, 484 */ - sd->mode.pixelformat = V4L2_PIX_FMT_STV0680; - sd->mode.field = V4L2_FIELD_NONE; - sd->mode.bytesperline = sd->mode.width; - sd->mode.sizeimage = cam->bulk_size; - sd->mode.colorspace = V4L2_COLORSPACE_SRGB; - - /* origGain = gspca_dev->usb_buf[12]; */ - - cam->cam_mode = &sd->mode; - cam->nmodes = 1; - - - ret = stv0680_set_video_mode(gspca_dev, sd->orig_mode); - if (ret < 0) - return ret; - - if (stv_sndctrl(gspca_dev, 2, 0x06, 0x0100, 0x12) != 0x12 || - gspca_dev->usb_buf[8] != 0x53 || gspca_dev->usb_buf[9] != 0x05) { - pr_err("Could not get descriptor 0100\n"); - return stv0680_handle_error(gspca_dev, -EIO); - } - - return 0; -} - -/* this function is called at probe and resume time */ -static int sd_init(struct gspca_dev *gspca_dev) -{ - return 0; -} - -/* -- start the camera -- */ -static int sd_start(struct gspca_dev *gspca_dev) -{ - int ret; - struct sd *sd = (struct sd *) gspca_dev; - - ret = stv0680_set_video_mode(gspca_dev, sd->video_mode); - if (ret < 0) - return ret; - - if (stv_sndctrl(gspca_dev, 0, 0x85, 0, 0x10) != 0x10) - return stv0680_handle_error(gspca_dev, -EIO); - - /* Start stream at: - 0x0000 = CIF (352x288) - 0x0100 = VGA (640x480) - 0x0300 = QVGA (320x240) */ - if (stv_sndctrl(gspca_dev, 1, 0x09, sd->video_mode << 8, 0x0) != 0x0) - return stv0680_handle_error(gspca_dev, -EIO); - - return 0; -} - -static void sd_stopN(struct gspca_dev *gspca_dev) -{ - /* This is a high priority command; it stops all lower order cmds */ - if (stv_sndctrl(gspca_dev, 1, 0x04, 0x0000, 0x0) != 0x0) - stv0680_handle_error(gspca_dev, -EIO); -} - -static void sd_stop0(struct gspca_dev *gspca_dev) -{ - struct sd *sd = (struct sd *) gspca_dev; - - if (!sd->gspca_dev.present) - return; - - stv0680_set_video_mode(gspca_dev, sd->orig_mode); -} - -static void sd_pkt_scan(struct gspca_dev *gspca_dev, - u8 *data, - int len) -{ - struct sd *sd = (struct sd *) gspca_dev; - - /* Every now and then the camera sends a 16 byte packet, no idea - what it contains, but it is not image data, when this - happens the frame received before this packet is corrupt, - so discard it. */ - if (len != sd->mode.sizeimage) { - gspca_dev->last_packet_type = DISCARD_PACKET; - return; - } - - /* Finish the previous frame, we do this upon reception of the next - packet, even though it is already complete so that the strange 16 - byte packets send after a corrupt frame can discard it. */ - gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0); - - /* Store the just received frame */ - gspca_frame_add(gspca_dev, FIRST_PACKET, data, len); -} - -/* sub-driver description */ -static const struct sd_desc sd_desc = { - .name = MODULE_NAME, - .config = sd_config, - .init = sd_init, - .start = sd_start, - .stopN = sd_stopN, - .stop0 = sd_stop0, - .pkt_scan = sd_pkt_scan, -}; - -/* -- module initialisation -- */ -static const struct usb_device_id device_table[] = { - {USB_DEVICE(0x0553, 0x0202)}, - {USB_DEVICE(0x041e, 0x4007)}, - {} -}; -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); 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