600 lines
18 KiB
C
600 lines
18 KiB
C
// 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 <mxhaard@users.sourceforge.net>");
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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);
|
|
spca506_WriteI2c(gspca_dev, 0x00, 0x1a);
|
|
spca506_WriteI2c(gspca_dev, 0x00, 0x1b);
|
|
spca506_WriteI2c(gspca_dev, 0x00, 0x1c);
|
|
spca506_WriteI2c(gspca_dev, 0x00, 0x1d);
|
|
spca506_WriteI2c(gspca_dev, 0x00, 0x1e);
|
|
spca506_WriteI2c(gspca_dev, 0xa1, 0x1f);
|
|
spca506_WriteI2c(gspca_dev, 0x02, 0x40);
|
|
spca506_WriteI2c(gspca_dev, 0xff, 0x41);
|
|
spca506_WriteI2c(gspca_dev, 0xff, 0x42);
|
|
spca506_WriteI2c(gspca_dev, 0xff, 0x43);
|
|
spca506_WriteI2c(gspca_dev, 0xff, 0x44);
|
|
spca506_WriteI2c(gspca_dev, 0xff, 0x45);
|
|
spca506_WriteI2c(gspca_dev, 0xff, 0x46);
|
|
spca506_WriteI2c(gspca_dev, 0xff, 0x47);
|
|
spca506_WriteI2c(gspca_dev, 0xff, 0x48);
|
|
spca506_WriteI2c(gspca_dev, 0xff, 0x49);
|
|
spca506_WriteI2c(gspca_dev, 0xff, 0x4a);
|
|
spca506_WriteI2c(gspca_dev, 0xff, 0x4b);
|
|
spca506_WriteI2c(gspca_dev, 0xff, 0x4c);
|
|
spca506_WriteI2c(gspca_dev, 0xff, 0x4d);
|
|
spca506_WriteI2c(gspca_dev, 0xff, 0x4e);
|
|
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);
|