--- /dev/null
+/*
+ * SPCA506 chip based cameras function
+ * M Xhaard 15/04/2004 based on different work Mark Taylor and others
+ * and my own snoopy file on a pv-321c donate by a german compagny
+ * "Firma Frank Gmbh" from Saarbruecken
+ *
+ * V4L2 by 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 "spca506"
+
+#include "gspca.h"
+
+MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
+MODULE_DESCRIPTION("GSPCA/SPCA506 USB Camera Driver");
+MODULE_LICENSE("GPL");
+
+/* specific webcam descriptor */
+struct sd {
+ struct gspca_dev gspca_dev; /* !! must be the first item */
+
+ char norme;
+ char channel;
+};
+
+static const struct v4l2_pix_format vga_mode[] = {
+ {160, 120, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
+ .bytesperline = 160,
+ .sizeimage = 160 * 120 * 3 / 2,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 5},
+ {176, 144, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
+ .bytesperline = 176,
+ .sizeimage = 176 * 144 * 3 / 2,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 4},
+ {320, 240, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
+ .bytesperline = 320,
+ .sizeimage = 320 * 240 * 3 / 2,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 2},
+ {352, 288, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
+ .bytesperline = 352,
+ .sizeimage = 352 * 288 * 3 / 2,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 1},
+ {640, 480, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
+ .bytesperline = 640,
+ .sizeimage = 640 * 480 * 3 / 2,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 0},
+};
+
+#define SPCA50X_OFFSET_DATA 10
+
+#define SAA7113_bright 0x0a /* defaults 0x80 */
+#define SAA7113_contrast 0x0b /* defaults 0x47 */
+#define SAA7113_saturation 0x0c /* defaults 0x40 */
+#define SAA7113_hue 0x0d /* defaults 0x00 */
+#define SAA7113_I2C_BASE_WRITE 0x4a
+
+/* read 'len' bytes to gspca_dev->usb_buf */
+static void reg_r(struct gspca_dev *gspca_dev,
+ __u16 req,
+ __u16 index,
+ __u16 length)
+{
+ usb_control_msg(gspca_dev->dev,
+ usb_rcvctrlpipe(gspca_dev->dev, 0),
+ req,
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ 0, /* value */
+ index, gspca_dev->usb_buf, length,
+ 500);
+}
+
+static void reg_w(struct usb_device *dev,
+ __u16 req,
+ __u16 value,
+ __u16 index)
+{
+ usb_control_msg(dev,
+ usb_sndctrlpipe(dev, 0),
+ req,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value, index,
+ NULL, 0, 500);
+}
+
+static void spca506_Initi2c(struct gspca_dev *gspca_dev)
+{
+ reg_w(gspca_dev->dev, 0x07, SAA7113_I2C_BASE_WRITE, 0x0004);
+}
+
+static void spca506_WriteI2c(struct gspca_dev *gspca_dev, __u16 valeur,
+ __u16 reg)
+{
+ int retry = 60;
+
+ reg_w(gspca_dev->dev, 0x07, reg, 0x0001);
+ reg_w(gspca_dev->dev, 0x07, valeur, 0x0000);
+ while (retry--) {
+ reg_r(gspca_dev, 0x07, 0x0003, 2);
+ if ((gspca_dev->usb_buf[0] | gspca_dev->usb_buf[1]) == 0x00)
+ break;
+ }
+}
+
+static void spca506_SetNormeInput(struct gspca_dev *gspca_dev,
+ __u16 norme,
+ __u16 channel)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+/* fixme: check if channel == 0..3 and 6..9 (8 values) */
+ __u8 setbit0 = 0x00;
+ __u8 setbit1 = 0x00;
+ __u8 videomask = 0x00;
+
+ PDEBUG(D_STREAM, "** Open Set Norme **");
+ spca506_Initi2c(gspca_dev);
+ /* NTSC bit0 -> 1(525 l) PAL SECAM bit0 -> 0 (625 l) */
+ /* Composite channel bit1 -> 1 S-video bit 1 -> 0 */
+ /* and exclude SAA7113 reserved channel set default 0 otherwise */
+ if (norme & V4L2_STD_NTSC)
+ setbit0 = 0x01;
+ if (channel == 4 || channel == 5 || channel > 9)
+ channel = 0;
+ if (channel < 4)
+ setbit1 = 0x02;
+ videomask = (0x48 | setbit0 | setbit1);
+ reg_w(gspca_dev->dev, 0x08, videomask, 0x0000);
+ spca506_WriteI2c(gspca_dev, (0xc0 | (channel & 0x0F)), 0x02);
+
+ if (norme & V4L2_STD_NTSC)
+ spca506_WriteI2c(gspca_dev, 0x33, 0x0e);
+ /* Chrominance Control NTSC N */
+ else if (norme & V4L2_STD_SECAM)
+ spca506_WriteI2c(gspca_dev, 0x53, 0x0e);
+ /* Chrominance Control SECAM */
+ else
+ spca506_WriteI2c(gspca_dev, 0x03, 0x0e);
+ /* Chrominance Control PAL BGHIV */
+
+ sd->norme = norme;
+ sd->channel = channel;
+ PDEBUG(D_STREAM, "Set Video Byte to 0x%2x", videomask);
+ PDEBUG(D_STREAM, "Set Norme: %08x Channel %d", norme, channel);
+}
+
+static void spca506_GetNormeInput(struct gspca_dev *gspca_dev,
+ __u16 *norme, __u16 *channel)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ /* Read the register is not so good value change so
+ we use your own copy in spca50x struct */
+ *norme = sd->norme;
+ *channel = sd->channel;
+ PDEBUG(D_STREAM, "Get Norme: %d Channel %d", *norme, *channel);
+}
+
+static void spca506_Setsize(struct gspca_dev *gspca_dev, __u16 code,
+ __u16 xmult, __u16 ymult)
+{
+ struct usb_device *dev = gspca_dev->dev;
+
+ PDEBUG(D_STREAM, "** SetSize **");
+ reg_w(dev, 0x04, (0x18 | (code & 0x07)), 0x0000);
+ /* Soft snap 0x40 Hard 0x41 */
+ reg_w(dev, 0x04, 0x41, 0x0001);
+ reg_w(dev, 0x04, 0x00, 0x0002);
+ /* reserved */
+ reg_w(dev, 0x04, 0x00, 0x0003);
+
+ /* reserved */
+ reg_w(dev, 0x04, 0x00, 0x0004);
+ /* reserved */
+ reg_w(dev, 0x04, 0x01, 0x0005);
+ /* reserced */
+ reg_w(dev, 0x04, xmult, 0x0006);
+ /* reserved */
+ reg_w(dev, 0x04, ymult, 0x0007);
+ /* compression 1 */
+ reg_w(dev, 0x04, 0x00, 0x0008);
+ /* T=64 -> 2 */
+ reg_w(dev, 0x04, 0x00, 0x0009);
+ /* threshold2D */
+ reg_w(dev, 0x04, 0x21, 0x000a);
+ /* quantization */
+ reg_w(dev, 0x04, 0x00, 0x000b);
+}
+
+/* this function is called at probe time */
+static int sd_config(struct gspca_dev *gspca_dev,
+ const struct usb_device_id *id)
+{
+ struct cam *cam;
+
+ cam = &gspca_dev->cam;
+ cam->cam_mode = vga_mode;
+ cam->nmodes = ARRAY_SIZE(vga_mode);
+ return 0;
+}
+
+/* this function is called at probe and resume time */
+static int sd_init(struct gspca_dev *gspca_dev)
+{
+ struct usb_device *dev = gspca_dev->dev;
+
+ reg_w(dev, 0x03, 0x00, 0x0004);
+ reg_w(dev, 0x03, 0xFF, 0x0003);
+ reg_w(dev, 0x03, 0x00, 0x0000);
+ reg_w(dev, 0x03, 0x1c, 0x0001);
+ reg_w(dev, 0x03, 0x18, 0x0001);
+ /* Init on PAL and composite input0 */
+ spca506_SetNormeInput(gspca_dev, 0, 0);
+ reg_w(dev, 0x03, 0x1c, 0x0001);
+ reg_w(dev, 0x03, 0x18, 0x0001);
+ reg_w(dev, 0x05, 0x00, 0x0000);
+ reg_w(dev, 0x05, 0xef, 0x0001);
+ reg_w(dev, 0x05, 0x00, 0x00c1);
+ reg_w(dev, 0x05, 0x00, 0x00c2);
+ reg_w(dev, 0x06, 0x18, 0x0002);
+ reg_w(dev, 0x06, 0xf5, 0x0011);
+ reg_w(dev, 0x06, 0x02, 0x0012);
+ reg_w(dev, 0x06, 0xfb, 0x0013);
+ reg_w(dev, 0x06, 0x00, 0x0014);
+ reg_w(dev, 0x06, 0xa4, 0x0051);
+ reg_w(dev, 0x06, 0x40, 0x0052);
+ reg_w(dev, 0x06, 0x71, 0x0053);
+ reg_w(dev, 0x06, 0x40, 0x0054);
+ /************************************************/
+ reg_w(dev, 0x03, 0x00, 0x0004);
+ reg_w(dev, 0x03, 0x00, 0x0003);
+ reg_w(dev, 0x03, 0x00, 0x0004);
+ reg_w(dev, 0x03, 0xFF, 0x0003);
+ reg_w(dev, 0x02, 0x00, 0x0000);
+ reg_w(dev, 0x03, 0x60, 0x0000);
+ reg_w(dev, 0x03, 0x18, 0x0001);
+ /* for a better reading mx :) */
+ /*sdca506_WriteI2c(value,register) */
+ spca506_Initi2c(gspca_dev);
+ spca506_WriteI2c(gspca_dev, 0x08, 0x01);
+ spca506_WriteI2c(gspca_dev, 0xc0, 0x02);
+ /* input composite video */
+ spca506_WriteI2c(gspca_dev, 0x33, 0x03);
+ spca506_WriteI2c(gspca_dev, 0x00, 0x04);
+ spca506_WriteI2c(gspca_dev, 0x00, 0x05);
+ spca506_WriteI2c(gspca_dev, 0x0d, 0x06);
+ spca506_WriteI2c(gspca_dev, 0xf0, 0x07);
+ spca506_WriteI2c(gspca_dev, 0x98, 0x08);
+ spca506_WriteI2c(gspca_dev, 0x03, 0x09);
+ spca506_WriteI2c(gspca_dev, 0x80, 0x0a);
+ spca506_WriteI2c(gspca_dev, 0x47, 0x0b);
+ spca506_WriteI2c(gspca_dev, 0x48, 0x0c);
+ spca506_WriteI2c(gspca_dev, 0x00, 0x0d);
+ spca506_WriteI2c(gspca_dev, 0x03, 0x0e); /* Chroma Pal adjust */
+ spca506_WriteI2c(gspca_dev, 0x2a, 0x0f);
+ spca506_WriteI2c(gspca_dev, 0x00, 0x10);
+ spca506_WriteI2c(gspca_dev, 0x0c, 0x11);
+ spca506_WriteI2c(gspca_dev, 0xb8, 0x12);
+ spca506_WriteI2c(gspca_dev, 0x01, 0x13);
+ spca506_WriteI2c(gspca_dev, 0x00, 0x14);
+ spca506_WriteI2c(gspca_dev, 0x00, 0x15);
+ spca506_WriteI2c(gspca_dev, 0x00, 0x16);
+ spca506_WriteI2c(gspca_dev, 0x00, 0x17);
+ spca506_WriteI2c(gspca_dev, 0x00, 0x18);
+ 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);
+ PDEBUG(D_STREAM, "** Close Init *");
+ return 0;
+}
+
+static int sd_start(struct gspca_dev *gspca_dev)
+{
+ struct usb_device *dev = gspca_dev->dev;
+ __u16 norme;
+ __u16 channel;
+
+ /**************************************/
+ reg_w(dev, 0x03, 0x00, 0x0004);
+ reg_w(dev, 0x03, 0x00, 0x0003);
+ reg_w(dev, 0x03, 0x00, 0x0004);
+ reg_w(dev, 0x03, 0xFF, 0x0003);
+ reg_w(dev, 0x02, 0x00, 0x0000);
+ reg_w(dev, 0x03, 0x60, 0x0000);
+ reg_w(dev, 0x03, 0x18, 0x0001);
+
+ /*sdca506_WriteI2c(value,register) */
+ spca506_Initi2c(gspca_dev);
+ spca506_WriteI2c(gspca_dev, 0x08, 0x01); /* Increment Delay */
+/* spca506_WriteI2c(gspca_dev, 0xc0, 0x02); * Analog Input Control 1 */
+ spca506_WriteI2c(gspca_dev, 0x33, 0x03);
+ /* Analog Input Control 2 */
+ spca506_WriteI2c(gspca_dev, 0x00, 0x04);
+ /* Analog Input Control 3 */
+ spca506_WriteI2c(gspca_dev, 0x00, 0x05);
+ /* Analog Input Control 4 */
+ spca506_WriteI2c(gspca_dev, 0x0d, 0x06);
+ /* Horizontal Sync Start 0xe9-0x0d */
+ spca506_WriteI2c(gspca_dev, 0xf0, 0x07);
+ /* Horizontal Sync Stop 0x0d-0xf0 */
+
+ spca506_WriteI2c(gspca_dev, 0x98, 0x08); /* Sync Control */
+/* Defaults value */
+ spca506_WriteI2c(gspca_dev, 0x03, 0x09); /* Luminance Control */
+ spca506_WriteI2c(gspca_dev, 0x80, 0x0a);
+ /* Luminance Brightness */
+ spca506_WriteI2c(gspca_dev, 0x47, 0x0b); /* Luminance Contrast */
+ spca506_WriteI2c(gspca_dev, 0x48, 0x0c);
+ /* Chrominance Saturation */
+ spca506_WriteI2c(gspca_dev, 0x00, 0x0d);
+ /* Chrominance Hue Control */
+ spca506_WriteI2c(gspca_dev, 0x2a, 0x0f);
+ /* Chrominance Gain Control */
+ /**************************************/
+ spca506_WriteI2c(gspca_dev, 0x00, 0x10);
+ /* Format/Delay Control */
+ spca506_WriteI2c(gspca_dev, 0x0c, 0x11); /* Output Control 1 */
+ spca506_WriteI2c(gspca_dev, 0xb8, 0x12); /* Output Control 2 */
+ spca506_WriteI2c(gspca_dev, 0x01, 0x13); /* Output Control 3 */
+ spca506_WriteI2c(gspca_dev, 0x00, 0x14); /* reserved */
+ spca506_WriteI2c(gspca_dev, 0x00, 0x15); /* VGATE START */
+ spca506_WriteI2c(gspca_dev, 0x00, 0x16); /* VGATE STOP */
+ spca506_WriteI2c(gspca_dev, 0x00, 0x17); /* VGATE Control (MSB) */
+ spca506_WriteI2c(gspca_dev, 0x00, 0x18);
+ 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);
+ PDEBUG(D_STREAM, "webcam started");
+ 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)},
+/*fixme: may be IntelPCCameraPro BRIDGE_SPCA505
+ {USB_DEVICE(0x0733, 0x0430)}, */
+ {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);
Code Review / kvmfornfv.git / blobdiff