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599 lines
18 KiB
599 lines
18 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* SPCA506 chip based cameras function |
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* M Xhaard 15/04/2004 based on different work Mark Taylor and others |
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* and my own snoopy file on a pv-321c donate by a german compagny |
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* "Firma Frank Gmbh" from Saarbruecken |
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* |
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* V4L2 by Jean-Francois Moine <http://moinejf.free.fr> |
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*/ |
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#define MODULE_NAME "spca506" |
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#include "gspca.h" |
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MODULE_AUTHOR("Michel Xhaard <[email protected]>"); |
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MODULE_DESCRIPTION("GSPCA/SPCA506 USB Camera Driver"); |
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MODULE_LICENSE("GPL"); |
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/* specific webcam descriptor */ |
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struct sd { |
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struct gspca_dev gspca_dev; /* !! must be the first item */ |
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char norme; |
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char channel; |
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}; |
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static const struct v4l2_pix_format vga_mode[] = { |
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{160, 120, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE, |
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.bytesperline = 160, |
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.sizeimage = 160 * 120 * 3 / 2, |
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.colorspace = V4L2_COLORSPACE_SRGB, |
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.priv = 5}, |
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{176, 144, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE, |
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.bytesperline = 176, |
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.sizeimage = 176 * 144 * 3 / 2, |
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.colorspace = V4L2_COLORSPACE_SRGB, |
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.priv = 4}, |
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{320, 240, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE, |
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.bytesperline = 320, |
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.sizeimage = 320 * 240 * 3 / 2, |
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.colorspace = V4L2_COLORSPACE_SRGB, |
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.priv = 2}, |
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{352, 288, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE, |
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.bytesperline = 352, |
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.sizeimage = 352 * 288 * 3 / 2, |
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.colorspace = V4L2_COLORSPACE_SRGB, |
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.priv = 1}, |
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{640, 480, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE, |
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.bytesperline = 640, |
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.sizeimage = 640 * 480 * 3 / 2, |
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.colorspace = V4L2_COLORSPACE_SRGB, |
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.priv = 0}, |
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}; |
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#define SPCA50X_OFFSET_DATA 10 |
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#define SAA7113_bright 0x0a /* defaults 0x80 */ |
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#define SAA7113_contrast 0x0b /* defaults 0x47 */ |
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#define SAA7113_saturation 0x0c /* defaults 0x40 */ |
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#define SAA7113_hue 0x0d /* defaults 0x00 */ |
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#define SAA7113_I2C_BASE_WRITE 0x4a |
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/* read 'len' bytes to gspca_dev->usb_buf */ |
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static void reg_r(struct gspca_dev *gspca_dev, |
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__u16 req, |
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__u16 index, |
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__u16 length) |
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{ |
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usb_control_msg(gspca_dev->dev, |
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usb_rcvctrlpipe(gspca_dev->dev, 0), |
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req, |
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USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
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0, /* value */ |
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index, gspca_dev->usb_buf, length, |
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500); |
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} |
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static void reg_w(struct usb_device *dev, |
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__u16 req, |
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__u16 value, |
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__u16 index) |
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{ |
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usb_control_msg(dev, |
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usb_sndctrlpipe(dev, 0), |
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req, |
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USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
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value, index, |
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NULL, 0, 500); |
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} |
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static void spca506_Initi2c(struct gspca_dev *gspca_dev) |
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{ |
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reg_w(gspca_dev->dev, 0x07, SAA7113_I2C_BASE_WRITE, 0x0004); |
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} |
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static void spca506_WriteI2c(struct gspca_dev *gspca_dev, __u16 valeur, |
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__u16 reg) |
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{ |
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int retry = 60; |
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reg_w(gspca_dev->dev, 0x07, reg, 0x0001); |
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reg_w(gspca_dev->dev, 0x07, valeur, 0x0000); |
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while (retry--) { |
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reg_r(gspca_dev, 0x07, 0x0003, 2); |
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if ((gspca_dev->usb_buf[0] | gspca_dev->usb_buf[1]) == 0x00) |
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break; |
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} |
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} |
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static void spca506_SetNormeInput(struct gspca_dev *gspca_dev, |
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__u16 norme, |
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__u16 channel) |
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{ |
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struct sd *sd = (struct sd *) gspca_dev; |
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/* fixme: check if channel == 0..3 and 6..9 (8 values) */ |
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__u8 setbit0 = 0x00; |
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__u8 setbit1 = 0x00; |
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__u8 videomask = 0x00; |
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gspca_dbg(gspca_dev, D_STREAM, "** Open Set Norme **\n"); |
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spca506_Initi2c(gspca_dev); |
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/* NTSC bit0 -> 1(525 l) PAL SECAM bit0 -> 0 (625 l) */ |
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/* Composite channel bit1 -> 1 S-video bit 1 -> 0 */ |
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/* and exclude SAA7113 reserved channel set default 0 otherwise */ |
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if (norme & V4L2_STD_NTSC) |
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setbit0 = 0x01; |
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if (channel == 4 || channel == 5 || channel > 9) |
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channel = 0; |
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if (channel < 4) |
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setbit1 = 0x02; |
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videomask = (0x48 | setbit0 | setbit1); |
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reg_w(gspca_dev->dev, 0x08, videomask, 0x0000); |
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spca506_WriteI2c(gspca_dev, (0xc0 | (channel & 0x0F)), 0x02); |
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if (norme & V4L2_STD_NTSC) |
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spca506_WriteI2c(gspca_dev, 0x33, 0x0e); |
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/* Chrominance Control NTSC N */ |
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else if (norme & V4L2_STD_SECAM) |
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spca506_WriteI2c(gspca_dev, 0x53, 0x0e); |
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/* Chrominance Control SECAM */ |
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else |
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spca506_WriteI2c(gspca_dev, 0x03, 0x0e); |
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/* Chrominance Control PAL BGHIV */ |
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sd->norme = norme; |
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sd->channel = channel; |
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gspca_dbg(gspca_dev, D_STREAM, "Set Video Byte to 0x%2x\n", videomask); |
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gspca_dbg(gspca_dev, D_STREAM, "Set Norme: %08x Channel %d", |
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norme, channel); |
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} |
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static void spca506_GetNormeInput(struct gspca_dev *gspca_dev, |
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__u16 *norme, __u16 *channel) |
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{ |
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struct sd *sd = (struct sd *) gspca_dev; |
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/* Read the register is not so good value change so |
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we use your own copy in spca50x struct */ |
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*norme = sd->norme; |
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*channel = sd->channel; |
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gspca_dbg(gspca_dev, D_STREAM, "Get Norme: %d Channel %d\n", |
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*norme, *channel); |
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} |
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static void spca506_Setsize(struct gspca_dev *gspca_dev, __u16 code, |
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__u16 xmult, __u16 ymult) |
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{ |
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struct usb_device *dev = gspca_dev->dev; |
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gspca_dbg(gspca_dev, D_STREAM, "** SetSize **\n"); |
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reg_w(dev, 0x04, (0x18 | (code & 0x07)), 0x0000); |
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/* Soft snap 0x40 Hard 0x41 */ |
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reg_w(dev, 0x04, 0x41, 0x0001); |
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reg_w(dev, 0x04, 0x00, 0x0002); |
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/* reserved */ |
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reg_w(dev, 0x04, 0x00, 0x0003); |
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/* reserved */ |
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reg_w(dev, 0x04, 0x00, 0x0004); |
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/* reserved */ |
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reg_w(dev, 0x04, 0x01, 0x0005); |
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/* reserced */ |
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reg_w(dev, 0x04, xmult, 0x0006); |
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/* reserved */ |
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reg_w(dev, 0x04, ymult, 0x0007); |
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/* compression 1 */ |
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reg_w(dev, 0x04, 0x00, 0x0008); |
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/* T=64 -> 2 */ |
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reg_w(dev, 0x04, 0x00, 0x0009); |
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/* threshold2D */ |
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reg_w(dev, 0x04, 0x21, 0x000a); |
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/* quantization */ |
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reg_w(dev, 0x04, 0x00, 0x000b); |
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} |
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/* this function is called at probe time */ |
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static int sd_config(struct gspca_dev *gspca_dev, |
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const struct usb_device_id *id) |
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{ |
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struct cam *cam; |
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cam = &gspca_dev->cam; |
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cam->cam_mode = vga_mode; |
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cam->nmodes = ARRAY_SIZE(vga_mode); |
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return 0; |
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} |
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/* this function is called at probe and resume time */ |
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static int sd_init(struct gspca_dev *gspca_dev) |
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{ |
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struct usb_device *dev = gspca_dev->dev; |
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reg_w(dev, 0x03, 0x00, 0x0004); |
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reg_w(dev, 0x03, 0xFF, 0x0003); |
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reg_w(dev, 0x03, 0x00, 0x0000); |
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reg_w(dev, 0x03, 0x1c, 0x0001); |
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reg_w(dev, 0x03, 0x18, 0x0001); |
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/* Init on PAL and composite input0 */ |
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spca506_SetNormeInput(gspca_dev, 0, 0); |
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reg_w(dev, 0x03, 0x1c, 0x0001); |
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reg_w(dev, 0x03, 0x18, 0x0001); |
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reg_w(dev, 0x05, 0x00, 0x0000); |
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reg_w(dev, 0x05, 0xef, 0x0001); |
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reg_w(dev, 0x05, 0x00, 0x00c1); |
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reg_w(dev, 0x05, 0x00, 0x00c2); |
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reg_w(dev, 0x06, 0x18, 0x0002); |
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reg_w(dev, 0x06, 0xf5, 0x0011); |
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reg_w(dev, 0x06, 0x02, 0x0012); |
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reg_w(dev, 0x06, 0xfb, 0x0013); |
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reg_w(dev, 0x06, 0x00, 0x0014); |
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reg_w(dev, 0x06, 0xa4, 0x0051); |
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reg_w(dev, 0x06, 0x40, 0x0052); |
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reg_w(dev, 0x06, 0x71, 0x0053); |
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reg_w(dev, 0x06, 0x40, 0x0054); |
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/************************************************/ |
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reg_w(dev, 0x03, 0x00, 0x0004); |
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reg_w(dev, 0x03, 0x00, 0x0003); |
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reg_w(dev, 0x03, 0x00, 0x0004); |
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reg_w(dev, 0x03, 0xFF, 0x0003); |
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reg_w(dev, 0x02, 0x00, 0x0000); |
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reg_w(dev, 0x03, 0x60, 0x0000); |
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reg_w(dev, 0x03, 0x18, 0x0001); |
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/* for a better reading mx :) */ |
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/*sdca506_WriteI2c(value,register) */ |
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spca506_Initi2c(gspca_dev); |
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spca506_WriteI2c(gspca_dev, 0x08, 0x01); |
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spca506_WriteI2c(gspca_dev, 0xc0, 0x02); |
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/* input composite video */ |
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spca506_WriteI2c(gspca_dev, 0x33, 0x03); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x04); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x05); |
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spca506_WriteI2c(gspca_dev, 0x0d, 0x06); |
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spca506_WriteI2c(gspca_dev, 0xf0, 0x07); |
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spca506_WriteI2c(gspca_dev, 0x98, 0x08); |
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spca506_WriteI2c(gspca_dev, 0x03, 0x09); |
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spca506_WriteI2c(gspca_dev, 0x80, 0x0a); |
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spca506_WriteI2c(gspca_dev, 0x47, 0x0b); |
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spca506_WriteI2c(gspca_dev, 0x48, 0x0c); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x0d); |
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spca506_WriteI2c(gspca_dev, 0x03, 0x0e); /* Chroma Pal adjust */ |
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spca506_WriteI2c(gspca_dev, 0x2a, 0x0f); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x10); |
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spca506_WriteI2c(gspca_dev, 0x0c, 0x11); |
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spca506_WriteI2c(gspca_dev, 0xb8, 0x12); |
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spca506_WriteI2c(gspca_dev, 0x01, 0x13); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x14); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x15); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x16); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x17); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x18); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x19); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x1a); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x1b); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x1c); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x1d); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x1e); |
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spca506_WriteI2c(gspca_dev, 0xa1, 0x1f); |
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spca506_WriteI2c(gspca_dev, 0x02, 0x40); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x41); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x42); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x43); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x44); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x45); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x46); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x47); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x48); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x49); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x4a); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x4b); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x4c); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x4d); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x4e); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x4f); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x50); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x51); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x52); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x53); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x54); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x55); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x56); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x57); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x58); |
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spca506_WriteI2c(gspca_dev, 0x54, 0x59); |
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spca506_WriteI2c(gspca_dev, 0x07, 0x5a); |
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spca506_WriteI2c(gspca_dev, 0x83, 0x5b); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x5c); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x5d); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x5e); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x5f); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x60); |
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spca506_WriteI2c(gspca_dev, 0x05, 0x61); |
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spca506_WriteI2c(gspca_dev, 0x9f, 0x62); |
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gspca_dbg(gspca_dev, D_STREAM, "** Close Init *\n"); |
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return 0; |
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} |
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static int sd_start(struct gspca_dev *gspca_dev) |
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{ |
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struct usb_device *dev = gspca_dev->dev; |
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__u16 norme; |
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__u16 channel; |
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/**************************************/ |
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reg_w(dev, 0x03, 0x00, 0x0004); |
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reg_w(dev, 0x03, 0x00, 0x0003); |
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reg_w(dev, 0x03, 0x00, 0x0004); |
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reg_w(dev, 0x03, 0xFF, 0x0003); |
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reg_w(dev, 0x02, 0x00, 0x0000); |
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reg_w(dev, 0x03, 0x60, 0x0000); |
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reg_w(dev, 0x03, 0x18, 0x0001); |
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/*sdca506_WriteI2c(value,register) */ |
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spca506_Initi2c(gspca_dev); |
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spca506_WriteI2c(gspca_dev, 0x08, 0x01); /* Increment Delay */ |
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/* spca506_WriteI2c(gspca_dev, 0xc0, 0x02); * Analog Input Control 1 */ |
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spca506_WriteI2c(gspca_dev, 0x33, 0x03); |
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/* Analog Input Control 2 */ |
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spca506_WriteI2c(gspca_dev, 0x00, 0x04); |
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/* Analog Input Control 3 */ |
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spca506_WriteI2c(gspca_dev, 0x00, 0x05); |
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/* Analog Input Control 4 */ |
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spca506_WriteI2c(gspca_dev, 0x0d, 0x06); |
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/* Horizontal Sync Start 0xe9-0x0d */ |
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spca506_WriteI2c(gspca_dev, 0xf0, 0x07); |
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/* Horizontal Sync Stop 0x0d-0xf0 */ |
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spca506_WriteI2c(gspca_dev, 0x98, 0x08); /* Sync Control */ |
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/* Defaults value */ |
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spca506_WriteI2c(gspca_dev, 0x03, 0x09); /* Luminance Control */ |
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spca506_WriteI2c(gspca_dev, 0x80, 0x0a); |
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/* Luminance Brightness */ |
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spca506_WriteI2c(gspca_dev, 0x47, 0x0b); /* Luminance Contrast */ |
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spca506_WriteI2c(gspca_dev, 0x48, 0x0c); |
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/* Chrominance Saturation */ |
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spca506_WriteI2c(gspca_dev, 0x00, 0x0d); |
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/* Chrominance Hue Control */ |
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spca506_WriteI2c(gspca_dev, 0x2a, 0x0f); |
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/* Chrominance Gain Control */ |
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/**************************************/ |
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spca506_WriteI2c(gspca_dev, 0x00, 0x10); |
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/* Format/Delay Control */ |
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spca506_WriteI2c(gspca_dev, 0x0c, 0x11); /* Output Control 1 */ |
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spca506_WriteI2c(gspca_dev, 0xb8, 0x12); /* Output Control 2 */ |
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spca506_WriteI2c(gspca_dev, 0x01, 0x13); /* Output Control 3 */ |
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spca506_WriteI2c(gspca_dev, 0x00, 0x14); /* reserved */ |
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spca506_WriteI2c(gspca_dev, 0x00, 0x15); /* VGATE START */ |
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spca506_WriteI2c(gspca_dev, 0x00, 0x16); /* VGATE STOP */ |
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spca506_WriteI2c(gspca_dev, 0x00, 0x17); /* VGATE Control (MSB) */ |
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spca506_WriteI2c(gspca_dev, 0x00, 0x18); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x19); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x1a); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x1b); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x1c); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x1d); |
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spca506_WriteI2c(gspca_dev, 0x00, 0x1e); |
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spca506_WriteI2c(gspca_dev, 0xa1, 0x1f); |
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spca506_WriteI2c(gspca_dev, 0x02, 0x40); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x41); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x42); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x43); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x44); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x45); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x46); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x47); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x48); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x49); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x4a); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x4b); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x4c); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x4d); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x4e); |
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spca506_WriteI2c(gspca_dev, 0xff, 0x4f); |
|
spca506_WriteI2c(gspca_dev, 0xff, 0x50); |
|
spca506_WriteI2c(gspca_dev, 0xff, 0x51); |
|
spca506_WriteI2c(gspca_dev, 0xff, 0x52); |
|
spca506_WriteI2c(gspca_dev, 0xff, 0x53); |
|
spca506_WriteI2c(gspca_dev, 0xff, 0x54); |
|
spca506_WriteI2c(gspca_dev, 0xff, 0x55); |
|
spca506_WriteI2c(gspca_dev, 0xff, 0x56); |
|
spca506_WriteI2c(gspca_dev, 0xff, 0x57); |
|
spca506_WriteI2c(gspca_dev, 0x00, 0x58); |
|
spca506_WriteI2c(gspca_dev, 0x54, 0x59); |
|
spca506_WriteI2c(gspca_dev, 0x07, 0x5a); |
|
spca506_WriteI2c(gspca_dev, 0x83, 0x5b); |
|
spca506_WriteI2c(gspca_dev, 0x00, 0x5c); |
|
spca506_WriteI2c(gspca_dev, 0x00, 0x5d); |
|
spca506_WriteI2c(gspca_dev, 0x00, 0x5e); |
|
spca506_WriteI2c(gspca_dev, 0x00, 0x5f); |
|
spca506_WriteI2c(gspca_dev, 0x00, 0x60); |
|
spca506_WriteI2c(gspca_dev, 0x05, 0x61); |
|
spca506_WriteI2c(gspca_dev, 0x9f, 0x62); |
|
/**************************************/ |
|
reg_w(dev, 0x05, 0x00, 0x0003); |
|
reg_w(dev, 0x05, 0x00, 0x0004); |
|
reg_w(dev, 0x03, 0x10, 0x0001); |
|
reg_w(dev, 0x03, 0x78, 0x0000); |
|
switch (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) { |
|
case 0: |
|
spca506_Setsize(gspca_dev, 0, 0x10, 0x10); |
|
break; |
|
case 1: |
|
spca506_Setsize(gspca_dev, 1, 0x1a, 0x1a); |
|
break; |
|
case 2: |
|
spca506_Setsize(gspca_dev, 2, 0x1c, 0x1c); |
|
break; |
|
case 4: |
|
spca506_Setsize(gspca_dev, 4, 0x34, 0x34); |
|
break; |
|
default: |
|
/* case 5: */ |
|
spca506_Setsize(gspca_dev, 5, 0x40, 0x40); |
|
break; |
|
} |
|
|
|
/* compress setting and size */ |
|
/* set i2c luma */ |
|
reg_w(dev, 0x02, 0x01, 0x0000); |
|
reg_w(dev, 0x03, 0x12, 0x0000); |
|
reg_r(gspca_dev, 0x04, 0x0001, 2); |
|
gspca_dbg(gspca_dev, D_STREAM, "webcam started\n"); |
|
spca506_GetNormeInput(gspca_dev, &norme, &channel); |
|
spca506_SetNormeInput(gspca_dev, norme, channel); |
|
return 0; |
|
} |
|
|
|
static void sd_stopN(struct gspca_dev *gspca_dev) |
|
{ |
|
struct usb_device *dev = gspca_dev->dev; |
|
|
|
reg_w(dev, 0x02, 0x00, 0x0000); |
|
reg_w(dev, 0x03, 0x00, 0x0004); |
|
reg_w(dev, 0x03, 0x00, 0x0003); |
|
} |
|
|
|
static void sd_pkt_scan(struct gspca_dev *gspca_dev, |
|
u8 *data, /* isoc packet */ |
|
int len) /* iso packet length */ |
|
{ |
|
switch (data[0]) { |
|
case 0: /* start of frame */ |
|
gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0); |
|
data += SPCA50X_OFFSET_DATA; |
|
len -= SPCA50X_OFFSET_DATA; |
|
gspca_frame_add(gspca_dev, FIRST_PACKET, data, len); |
|
break; |
|
case 0xff: /* drop */ |
|
/* gspca_dev->last_packet_type = DISCARD_PACKET; */ |
|
break; |
|
default: |
|
data += 1; |
|
len -= 1; |
|
gspca_frame_add(gspca_dev, INTER_PACKET, data, len); |
|
break; |
|
} |
|
} |
|
|
|
static void setbrightness(struct gspca_dev *gspca_dev, s32 val) |
|
{ |
|
spca506_Initi2c(gspca_dev); |
|
spca506_WriteI2c(gspca_dev, val, SAA7113_bright); |
|
spca506_WriteI2c(gspca_dev, 0x01, 0x09); |
|
} |
|
|
|
static void setcontrast(struct gspca_dev *gspca_dev, s32 val) |
|
{ |
|
spca506_Initi2c(gspca_dev); |
|
spca506_WriteI2c(gspca_dev, val, SAA7113_contrast); |
|
spca506_WriteI2c(gspca_dev, 0x01, 0x09); |
|
} |
|
|
|
static void setcolors(struct gspca_dev *gspca_dev, s32 val) |
|
{ |
|
spca506_Initi2c(gspca_dev); |
|
spca506_WriteI2c(gspca_dev, val, SAA7113_saturation); |
|
spca506_WriteI2c(gspca_dev, 0x01, 0x09); |
|
} |
|
|
|
static void sethue(struct gspca_dev *gspca_dev, s32 val) |
|
{ |
|
spca506_Initi2c(gspca_dev); |
|
spca506_WriteI2c(gspca_dev, val, SAA7113_hue); |
|
spca506_WriteI2c(gspca_dev, 0x01, 0x09); |
|
} |
|
|
|
static int sd_s_ctrl(struct v4l2_ctrl *ctrl) |
|
{ |
|
struct gspca_dev *gspca_dev = |
|
container_of(ctrl->handler, struct gspca_dev, ctrl_handler); |
|
|
|
gspca_dev->usb_err = 0; |
|
|
|
if (!gspca_dev->streaming) |
|
return 0; |
|
|
|
switch (ctrl->id) { |
|
case V4L2_CID_BRIGHTNESS: |
|
setbrightness(gspca_dev, ctrl->val); |
|
break; |
|
case V4L2_CID_CONTRAST: |
|
setcontrast(gspca_dev, ctrl->val); |
|
break; |
|
case V4L2_CID_SATURATION: |
|
setcolors(gspca_dev, ctrl->val); |
|
break; |
|
case V4L2_CID_HUE: |
|
sethue(gspca_dev, ctrl->val); |
|
break; |
|
} |
|
return gspca_dev->usb_err; |
|
} |
|
|
|
static const struct v4l2_ctrl_ops sd_ctrl_ops = { |
|
.s_ctrl = sd_s_ctrl, |
|
}; |
|
|
|
static int sd_init_controls(struct gspca_dev *gspca_dev) |
|
{ |
|
struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler; |
|
|
|
gspca_dev->vdev.ctrl_handler = hdl; |
|
v4l2_ctrl_handler_init(hdl, 4); |
|
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, |
|
V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); |
|
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, |
|
V4L2_CID_CONTRAST, 0, 255, 1, 0x47); |
|
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, |
|
V4L2_CID_SATURATION, 0, 255, 1, 0x40); |
|
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, |
|
V4L2_CID_HUE, 0, 255, 1, 0); |
|
|
|
if (hdl->error) { |
|
pr_err("Could not initialize controls\n"); |
|
return hdl->error; |
|
} |
|
return 0; |
|
} |
|
|
|
/* sub-driver description */ |
|
static const struct sd_desc sd_desc = { |
|
.name = MODULE_NAME, |
|
.config = sd_config, |
|
.init = sd_init, |
|
.init_controls = sd_init_controls, |
|
.start = sd_start, |
|
.stopN = sd_stopN, |
|
.pkt_scan = sd_pkt_scan, |
|
}; |
|
|
|
/* -- module initialisation -- */ |
|
static const struct usb_device_id device_table[] = { |
|
{USB_DEVICE(0x06e1, 0xa190)}, |
|
/* {USB_DEVICE(0x0733, 0x0430)}, FIXME: may be IntelPCCameraPro BRIDGE_SPCA505 */ |
|
{USB_DEVICE(0x0734, 0x043b)}, |
|
{USB_DEVICE(0x99fa, 0x8988)}, |
|
{} |
|
}; |
|
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);
|
|
|