diff options
Diffstat (limited to 'drivers/media/video/gspca/stk014.c')
| -rw-r--r-- | drivers/media/video/gspca/stk014.c | 580 |
1 files changed, 0 insertions, 580 deletions
diff --git a/drivers/media/video/gspca/stk014.c b/drivers/media/video/gspca/stk014.c deleted file mode 100644 index 60de9af87fb..00000000000 --- a/drivers/media/video/gspca/stk014.c +++ /dev/null @@ -1,580 +0,0 @@ -/* - * Syntek DV4000 (STK014) subdriver - * - * Copyright (C) 2008 Jean-Francois Moine (http://moinejf.free.fr) - * - * 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. - * - * 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 MODULE_NAME "stk014" - -#include "gspca.h" -#include "jpeg.h" - -MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>"); -MODULE_DESCRIPTION("Syntek DV4000 (STK014) USB Camera Driver"); -MODULE_LICENSE("GPL"); - -/* specific webcam descriptor */ -struct sd { - struct gspca_dev gspca_dev; /* !! must be the first item */ - - unsigned char brightness; - unsigned char contrast; - unsigned char colors; - unsigned char lightfreq; -}; - -/* global parameters */ -static int sd_quant = 7; /* <= 4 KO - 7: good (enough!) */ - -/* V4L2 controls supported by the driver */ -static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val); -static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val); -static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val); -static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val); -static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val); -static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val); -static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val); -static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val); - -static struct ctrl sd_ctrls[] = { - { - { - .id = V4L2_CID_BRIGHTNESS, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Brightness", - .minimum = 0, - .maximum = 255, - .step = 1, -#define BRIGHTNESS_DEF 127 - .default_value = BRIGHTNESS_DEF, - }, - .set = sd_setbrightness, - .get = sd_getbrightness, - }, - { - { - .id = V4L2_CID_CONTRAST, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Contrast", - .minimum = 0, - .maximum = 255, - .step = 1, -#define CONTRAST_DEF 127 - .default_value = CONTRAST_DEF, - }, - .set = sd_setcontrast, - .get = sd_getcontrast, - }, - { - { - .id = V4L2_CID_SATURATION, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Color", - .minimum = 0, - .maximum = 255, - .step = 1, -#define COLOR_DEF 127 - .default_value = COLOR_DEF, - }, - .set = sd_setcolors, - .get = sd_getcolors, - }, - { - { - .id = V4L2_CID_POWER_LINE_FREQUENCY, - .type = V4L2_CTRL_TYPE_MENU, - .name = "Light frequency filter", - .minimum = 1, - .maximum = 2, /* 0: 0, 1: 50Hz, 2:60Hz */ - .step = 1, -#define FREQ_DEF 1 - .default_value = FREQ_DEF, - }, - .set = sd_setfreq, - .get = sd_getfreq, - }, -}; - -static const struct v4l2_pix_format vga_mode[] = { - {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, - .bytesperline = 320, - .sizeimage = 320 * 240 * 3 / 8 + 590, - .colorspace = V4L2_COLORSPACE_JPEG, - .priv = 1}, - {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, - .bytesperline = 640, - .sizeimage = 640 * 480 * 3 / 8 + 590, - .colorspace = V4L2_COLORSPACE_JPEG, - .priv = 0}, -}; - -/* -- read a register -- */ -static int reg_r(struct gspca_dev *gspca_dev, - __u16 index) -{ - struct usb_device *dev = gspca_dev->dev; - int ret; - - ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), - 0x00, - USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0x00, - index, - gspca_dev->usb_buf, 1, - 500); - if (ret < 0) { - PDEBUG(D_ERR, "reg_r err %d", ret); - return ret; - } - return gspca_dev->usb_buf[0]; -} - -/* -- write a register -- */ -static int reg_w(struct gspca_dev *gspca_dev, - __u16 index, __u16 value) -{ - struct usb_device *dev = gspca_dev->dev; - int ret; - - ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), - 0x01, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - value, - index, - NULL, - 0, - 500); - if (ret < 0) - PDEBUG(D_ERR, "reg_w err %d", ret); - return ret; -} - -/* -- get a bulk value (4 bytes) -- */ -static int rcv_val(struct gspca_dev *gspca_dev, - int ads) -{ - struct usb_device *dev = gspca_dev->dev; - int alen, ret; - - reg_w(gspca_dev, 0x634, (ads >> 16) & 0xff); - reg_w(gspca_dev, 0x635, (ads >> 8) & 0xff); - reg_w(gspca_dev, 0x636, ads & 0xff); - reg_w(gspca_dev, 0x637, 0); - reg_w(gspca_dev, 0x638, 4); /* len & 0xff */ - reg_w(gspca_dev, 0x639, 0); /* len >> 8 */ - reg_w(gspca_dev, 0x63a, 0); - reg_w(gspca_dev, 0x63b, 0); - reg_w(gspca_dev, 0x630, 5); - ret = usb_bulk_msg(dev, - usb_rcvbulkpipe(dev, 5), - gspca_dev->usb_buf, - 4, /* length */ - &alen, - 500); /* timeout in milliseconds */ - return ret; -} - -/* -- send a bulk value -- */ -static int snd_val(struct gspca_dev *gspca_dev, - int ads, - unsigned int val) -{ - struct usb_device *dev = gspca_dev->dev; - int alen, ret; - __u8 seq = 0; - - if (ads == 0x003f08) { - ret = reg_r(gspca_dev, 0x0704); - if (ret < 0) - goto ko; - ret = reg_r(gspca_dev, 0x0705); - if (ret < 0) - goto ko; - seq = ret; /* keep the sequence number */ - ret = reg_r(gspca_dev, 0x0650); - if (ret < 0) - goto ko; - reg_w(gspca_dev, 0x654, seq); - } else { - reg_w(gspca_dev, 0x654, (ads >> 16) & 0xff); - } - reg_w(gspca_dev, 0x655, (ads >> 8) & 0xff); - reg_w(gspca_dev, 0x656, ads & 0xff); - reg_w(gspca_dev, 0x657, 0); - reg_w(gspca_dev, 0x658, 0x04); /* size */ - reg_w(gspca_dev, 0x659, 0); - reg_w(gspca_dev, 0x65a, 0); - reg_w(gspca_dev, 0x65b, 0); - reg_w(gspca_dev, 0x650, 5); - gspca_dev->usb_buf[0] = val >> 24; - gspca_dev->usb_buf[1] = val >> 16; - gspca_dev->usb_buf[2] = val >> 8; - gspca_dev->usb_buf[3] = val; - ret = usb_bulk_msg(dev, - usb_sndbulkpipe(dev, 6), - gspca_dev->usb_buf, - 4, - &alen, - 500); /* timeout in milliseconds */ - if (ret < 0) - goto ko; - if (ads == 0x003f08) { - seq += 4; - seq &= 0x3f; - reg_w(gspca_dev, 0x705, seq); - } - return ret; -ko: - PDEBUG(D_ERR, "snd_val err %d", ret); - return ret; -} - -/* set a camera parameter */ -static int set_par(struct gspca_dev *gspca_dev, - int parval) -{ - return snd_val(gspca_dev, 0x003f08, parval); -} - -static void setbrightness(struct gspca_dev *gspca_dev) -{ - struct sd *sd = (struct sd *) gspca_dev; - int parval; - - parval = 0x06000000 /* whiteness */ - + (sd->brightness << 16); - set_par(gspca_dev, parval); -} - -static void setcontrast(struct gspca_dev *gspca_dev) -{ - struct sd *sd = (struct sd *) gspca_dev; - int parval; - - parval = 0x07000000 /* contrast */ - + (sd->contrast << 16); - set_par(gspca_dev, parval); -} - -static void setcolors(struct gspca_dev *gspca_dev) -{ - struct sd *sd = (struct sd *) gspca_dev; - int parval; - - parval = 0x08000000 /* saturation */ - + (sd->colors << 16); - set_par(gspca_dev, parval); -} - -static void setfreq(struct gspca_dev *gspca_dev) -{ - struct sd *sd = (struct sd *) gspca_dev; - - set_par(gspca_dev, sd->lightfreq == 1 - ? 0x33640000 /* 50 Hz */ - : 0x33780000); /* 60 Hz */ -} - -/* this function is called at probe time */ -static int sd_config(struct gspca_dev *gspca_dev, - const struct usb_device_id *id) -{ - struct sd *sd = (struct sd *) gspca_dev; - struct cam *cam = &gspca_dev->cam; - - cam->epaddr = 0x02; - gspca_dev->cam.cam_mode = vga_mode; - gspca_dev->cam.nmodes = ARRAY_SIZE(vga_mode); - sd->brightness = BRIGHTNESS_DEF; - sd->contrast = CONTRAST_DEF; - sd->colors = COLOR_DEF; - sd->lightfreq = FREQ_DEF; - return 0; -} - -/* this function is called at probe and resume time */ -static int sd_init(struct gspca_dev *gspca_dev) -{ - int ret; - - /* check if the device responds */ - usb_set_interface(gspca_dev->dev, gspca_dev->iface, 1); - ret = reg_r(gspca_dev, 0x0740); - if (ret < 0) - return ret; - if (ret != 0xff) { - PDEBUG(D_ERR|D_STREAM, "init reg: 0x%02x", ret); - return -1; - } - return 0; -} - -/* -- start the camera -- */ -static int sd_start(struct gspca_dev *gspca_dev) -{ - int ret, value; - - /* work on alternate 1 */ - usb_set_interface(gspca_dev->dev, gspca_dev->iface, 1); - - set_par(gspca_dev, 0x10000000); - set_par(gspca_dev, 0x00000000); - set_par(gspca_dev, 0x8002e001); - set_par(gspca_dev, 0x14000000); - if (gspca_dev->width > 320) - value = 0x8002e001; /* 640x480 */ - else - value = 0x4001f000; /* 320x240 */ - set_par(gspca_dev, value); - ret = usb_set_interface(gspca_dev->dev, - gspca_dev->iface, - gspca_dev->alt); - if (ret < 0) { - PDEBUG(D_ERR|D_STREAM, "set intf %d %d failed", - gspca_dev->iface, gspca_dev->alt); - goto out; - } - ret = reg_r(gspca_dev, 0x0630); - if (ret < 0) - goto out; - rcv_val(gspca_dev, 0x000020); /* << (value ff ff ff ff) */ - ret = reg_r(gspca_dev, 0x0650); - if (ret < 0) - goto out; - snd_val(gspca_dev, 0x000020, 0xffffffff); - reg_w(gspca_dev, 0x0620, 0); - reg_w(gspca_dev, 0x0630, 0); - reg_w(gspca_dev, 0x0640, 0); - reg_w(gspca_dev, 0x0650, 0); - reg_w(gspca_dev, 0x0660, 0); - setbrightness(gspca_dev); /* whiteness */ - setcontrast(gspca_dev); /* contrast */ - setcolors(gspca_dev); /* saturation */ - set_par(gspca_dev, 0x09800000); /* Red ? */ - set_par(gspca_dev, 0x0a800000); /* Green ? */ - set_par(gspca_dev, 0x0b800000); /* Blue ? */ - set_par(gspca_dev, 0x0d030000); /* Gamma ? */ - setfreq(gspca_dev); /* light frequency */ - - /* start the video flow */ - set_par(gspca_dev, 0x01000000); - set_par(gspca_dev, 0x01000000); - PDEBUG(D_STREAM, "camera started alt: 0x%02x", gspca_dev->alt); - return 0; -out: - PDEBUG(D_ERR|D_STREAM, "camera start err %d", ret); - return ret; -} - -static void sd_stopN(struct gspca_dev *gspca_dev) -{ - struct usb_device *dev = gspca_dev->dev; - - set_par(gspca_dev, 0x02000000); - set_par(gspca_dev, 0x02000000); - usb_set_interface(dev, gspca_dev->iface, 1); - reg_r(gspca_dev, 0x0630); - rcv_val(gspca_dev, 0x000020); /* << (value ff ff ff ff) */ - reg_r(gspca_dev, 0x0650); - snd_val(gspca_dev, 0x000020, 0xffffffff); - reg_w(gspca_dev, 0x0620, 0); - reg_w(gspca_dev, 0x0630, 0); - reg_w(gspca_dev, 0x0640, 0); - reg_w(gspca_dev, 0x0650, 0); - reg_w(gspca_dev, 0x0660, 0); - PDEBUG(D_STREAM, "camera stopped"); -} - -static void sd_pkt_scan(struct gspca_dev *gspca_dev, - struct gspca_frame *frame, /* target */ - __u8 *data, /* isoc packet */ - int len) /* iso packet length */ -{ - static unsigned char ffd9[] = {0xff, 0xd9}; - - /* a frame starts with: - * - 0xff 0xfe - * - 0x08 0x00 - length (little endian ?!) - * - 4 bytes = size of whole frame (BE - including header) - * - 0x00 0x0c - * - 0xff 0xd8 - * - .. JPEG image with escape sequences (ff 00) - * (without ending - ff d9) - */ - if (data[0] == 0xff && data[1] == 0xfe) { - frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, - ffd9, 2); - - /* put the JPEG 411 header */ - jpeg_put_header(gspca_dev, frame, sd_quant, 0x22); - - /* beginning of the frame */ -#define STKHDRSZ 12 - data += STKHDRSZ; - len -= STKHDRSZ; - } - gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len); -} - -static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - sd->brightness = val; - if (gspca_dev->streaming) - setbrightness(gspca_dev); - return 0; -} - -static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - *val = sd->brightness; - return 0; -} - -static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - sd->contrast = val; - if (gspca_dev->streaming) - setcontrast(gspca_dev); - return 0; -} - -static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - *val = sd->contrast; - return 0; -} - -static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - sd->colors = val; - if (gspca_dev->streaming) - setcolors(gspca_dev); - return 0; -} - -static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - *val = sd->colors; - return 0; -} - -static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - sd->lightfreq = val; - if (gspca_dev->streaming) - setfreq(gspca_dev); - return 0; -} - -static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - *val = sd->lightfreq; - return 0; -} - -static int sd_querymenu(struct gspca_dev *gspca_dev, - struct v4l2_querymenu *menu) -{ - switch (menu->id) { - case V4L2_CID_POWER_LINE_FREQUENCY: - switch (menu->index) { - case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */ - strcpy((char *) menu->name, "50 Hz"); - return 0; - case 2: /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */ - strcpy((char *) menu->name, "60 Hz"); - return 0; - } - break; - } - return -EINVAL; -} - -/* sub-driver description */ -static const struct sd_desc sd_desc = { - .name = MODULE_NAME, - .ctrls = sd_ctrls, - .nctrls = ARRAY_SIZE(sd_ctrls), - .config = sd_config, - .init = sd_init, - .start = sd_start, - .stopN = sd_stopN, - .pkt_scan = sd_pkt_scan, - .querymenu = sd_querymenu, -}; - -/* -- module initialisation -- */ -static const __devinitdata struct usb_device_id device_table[] = { - {USB_DEVICE(0x05e1, 0x0893)}, - {} -}; -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, -#endif -}; - -/* -- module insert / remove -- */ -static int __init sd_mod_init(void) -{ - if (usb_register(&sd_driver) < 0) - return -1; - info("registered"); - return 0; -} -static void __exit sd_mod_exit(void) -{ - usb_deregister(&sd_driver); - info("deregistered"); -} - -module_init(sd_mod_init); -module_exit(sd_mod_exit); - -module_param_named(quant, sd_quant, int, 0644); -MODULE_PARM_DESC(quant, "Quantization index (0..8)"); |