Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / media / usb / gspca / spca500.c
diff --git a/kernel/drivers/media/usb/gspca/spca500.c b/kernel/drivers/media/usb/gspca/spca500.c
new file mode 100644 (file)
index 0000000..f011a30
--- /dev/null
@@ -0,0 +1,991 @@
+/*
+ * SPCA500 chip based cameras initialization data
+ *
+ * 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 pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#define MODULE_NAME "spca500"
+
+#include "gspca.h"
+#include "jpeg.h"
+
+MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
+MODULE_DESCRIPTION("GSPCA/SPCA500 USB Camera Driver");
+MODULE_LICENSE("GPL");
+
+#define QUALITY 85
+
+/* specific webcam descriptor */
+struct sd {
+       struct gspca_dev gspca_dev;             /* !! must be the first item */
+
+       char subtype;
+#define AgfaCl20 0
+#define AiptekPocketDV 1
+#define BenqDC1016 2
+#define CreativePCCam300 3
+#define DLinkDSC350 4
+#define Gsmartmini 5
+#define IntelPocketPCCamera 6
+#define KodakEZ200 7
+#define LogitechClickSmart310 8
+#define LogitechClickSmart510 9
+#define LogitechTraveler 10
+#define MustekGsmart300 11
+#define Optimedia 12
+#define PalmPixDC85 13
+#define ToptroIndus 14
+
+       u8 jpeg_hdr[JPEG_HDR_SZ];
+};
+
+static const struct v4l2_pix_format vga_mode[] = {
+       {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
+               .bytesperline = 320,
+               .sizeimage = 320 * 240 * 3 / 8 + 590,
+               .colorspace = V4L2_COLORSPACE_JPEG,
+               .priv = 1},
+       {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
+               .bytesperline = 640,
+               .sizeimage = 640 * 480 * 3 / 8 + 590,
+               .colorspace = V4L2_COLORSPACE_JPEG,
+               .priv = 0},
+};
+
+static const struct v4l2_pix_format sif_mode[] = {
+       {176, 144, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
+               .bytesperline = 176,
+               .sizeimage = 176 * 144 * 3 / 8 + 590,
+               .colorspace = V4L2_COLORSPACE_JPEG,
+               .priv = 1},
+       {352, 288, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
+               .bytesperline = 352,
+               .sizeimage = 352 * 288 * 3 / 8 + 590,
+               .colorspace = V4L2_COLORSPACE_JPEG,
+               .priv = 0},
+};
+
+/* Frame packet header offsets for the spca500 */
+#define SPCA500_OFFSET_PADDINGLB 2
+#define SPCA500_OFFSET_PADDINGHB 3
+#define SPCA500_OFFSET_MODE      4
+#define SPCA500_OFFSET_IMGWIDTH  5
+#define SPCA500_OFFSET_IMGHEIGHT 6
+#define SPCA500_OFFSET_IMGMODE   7
+#define SPCA500_OFFSET_QTBLINDEX 8
+#define SPCA500_OFFSET_FRAMSEQ   9
+#define SPCA500_OFFSET_CDSPINFO  10
+#define SPCA500_OFFSET_GPIO      11
+#define SPCA500_OFFSET_AUGPIO    12
+#define SPCA500_OFFSET_DATA      16
+
+
+static const __u16 spca500_visual_defaults[][3] = {
+       {0x00, 0x0003, 0x816b}, /* SSI not active sync with vsync,
+                                * hue (H byte) = 0,
+                                * saturation/hue enable,
+                                * brightness/contrast enable.
+                                */
+       {0x00, 0x0000, 0x8167}, /* brightness = 0 */
+       {0x00, 0x0020, 0x8168}, /* contrast = 0 */
+       {0x00, 0x0003, 0x816b}, /* SSI not active sync with vsync,
+                                * hue (H byte) = 0, saturation/hue enable,
+                                * brightness/contrast enable.
+                                * was 0x0003, now 0x0000.
+                                */
+       {0x00, 0x0000, 0x816a}, /* hue (L byte) = 0 */
+       {0x00, 0x0020, 0x8169}, /* saturation = 0x20 */
+       {0x00, 0x0050, 0x8157}, /* edge gain high threshold */
+       {0x00, 0x0030, 0x8158}, /* edge gain low threshold */
+       {0x00, 0x0028, 0x8159}, /* edge bandwidth high threshold */
+       {0x00, 0x000a, 0x815a}, /* edge bandwidth low threshold */
+       {0x00, 0x0001, 0x8202}, /* clock rate compensation = 1/25 sec/frame */
+       {0x0c, 0x0004, 0x0000},
+       /* set interface */
+       {}
+};
+static const __u16 Clicksmart510_defaults[][3] = {
+       {0x00, 0x00, 0x8211},
+       {0x00, 0x01, 0x82c0},
+       {0x00, 0x10, 0x82cb},
+       {0x00, 0x0f, 0x800d},
+       {0x00, 0x82, 0x8225},
+       {0x00, 0x21, 0x8228},
+       {0x00, 0x00, 0x8203},
+       {0x00, 0x00, 0x8204},
+       {0x00, 0x08, 0x8205},
+       {0x00, 0xf8, 0x8206},
+       {0x00, 0x28, 0x8207},
+       {0x00, 0xa0, 0x8208},
+       {0x00, 0x08, 0x824a},
+       {0x00, 0x08, 0x8214},
+       {0x00, 0x80, 0x82c1},
+       {0x00, 0x00, 0x82c2},
+       {0x00, 0x00, 0x82ca},
+       {0x00, 0x80, 0x82c1},
+       {0x00, 0x04, 0x82c2},
+       {0x00, 0x00, 0x82ca},
+       {0x00, 0xfc, 0x8100},
+       {0x00, 0xfc, 0x8105},
+       {0x00, 0x30, 0x8101},
+       {0x00, 0x00, 0x8102},
+       {0x00, 0x00, 0x8103},
+       {0x00, 0x66, 0x8107},
+       {0x00, 0x00, 0x816b},
+       {0x00, 0x00, 0x8155},
+       {0x00, 0x01, 0x8156},
+       {0x00, 0x60, 0x8157},
+       {0x00, 0x40, 0x8158},
+       {0x00, 0x0a, 0x8159},
+       {0x00, 0x06, 0x815a},
+       {0x00, 0x00, 0x813f},
+       {0x00, 0x00, 0x8200},
+       {0x00, 0x19, 0x8201},
+       {0x00, 0x00, 0x82c1},
+       {0x00, 0xa0, 0x82c2},
+       {0x00, 0x00, 0x82ca},
+       {0x00, 0x00, 0x8117},
+       {0x00, 0x00, 0x8118},
+       {0x00, 0x65, 0x8119},
+       {0x00, 0x00, 0x811a},
+       {0x00, 0x00, 0x811b},
+       {0x00, 0x55, 0x811c},
+       {0x00, 0x65, 0x811d},
+       {0x00, 0x55, 0x811e},
+       {0x00, 0x16, 0x811f},
+       {0x00, 0x19, 0x8120},
+       {0x00, 0x80, 0x8103},
+       {0x00, 0x83, 0x816b},
+       {0x00, 0x25, 0x8168},
+       {0x00, 0x01, 0x820f},
+       {0x00, 0xff, 0x8115},
+       {0x00, 0x48, 0x8116},
+       {0x00, 0x50, 0x8151},
+       {0x00, 0x40, 0x8152},
+       {0x00, 0x78, 0x8153},
+       {0x00, 0x40, 0x8154},
+       {0x00, 0x00, 0x8167},
+       {0x00, 0x20, 0x8168},
+       {0x00, 0x00, 0x816a},
+       {0x00, 0x03, 0x816b},
+       {0x00, 0x20, 0x8169},
+       {0x00, 0x60, 0x8157},
+       {0x00, 0x00, 0x8190},
+       {0x00, 0x00, 0x81a1},
+       {0x00, 0x00, 0x81b2},
+       {0x00, 0x27, 0x8191},
+       {0x00, 0x27, 0x81a2},
+       {0x00, 0x27, 0x81b3},
+       {0x00, 0x4b, 0x8192},
+       {0x00, 0x4b, 0x81a3},
+       {0x00, 0x4b, 0x81b4},
+       {0x00, 0x66, 0x8193},
+       {0x00, 0x66, 0x81a4},
+       {0x00, 0x66, 0x81b5},
+       {0x00, 0x79, 0x8194},
+       {0x00, 0x79, 0x81a5},
+       {0x00, 0x79, 0x81b6},
+       {0x00, 0x8a, 0x8195},
+       {0x00, 0x8a, 0x81a6},
+       {0x00, 0x8a, 0x81b7},
+       {0x00, 0x9b, 0x8196},
+       {0x00, 0x9b, 0x81a7},
+       {0x00, 0x9b, 0x81b8},
+       {0x00, 0xa6, 0x8197},
+       {0x00, 0xa6, 0x81a8},
+       {0x00, 0xa6, 0x81b9},
+       {0x00, 0xb2, 0x8198},
+       {0x00, 0xb2, 0x81a9},
+       {0x00, 0xb2, 0x81ba},
+       {0x00, 0xbe, 0x8199},
+       {0x00, 0xbe, 0x81aa},
+       {0x00, 0xbe, 0x81bb},
+       {0x00, 0xc8, 0x819a},
+       {0x00, 0xc8, 0x81ab},
+       {0x00, 0xc8, 0x81bc},
+       {0x00, 0xd2, 0x819b},
+       {0x00, 0xd2, 0x81ac},
+       {0x00, 0xd2, 0x81bd},
+       {0x00, 0xdb, 0x819c},
+       {0x00, 0xdb, 0x81ad},
+       {0x00, 0xdb, 0x81be},
+       {0x00, 0xe4, 0x819d},
+       {0x00, 0xe4, 0x81ae},
+       {0x00, 0xe4, 0x81bf},
+       {0x00, 0xed, 0x819e},
+       {0x00, 0xed, 0x81af},
+       {0x00, 0xed, 0x81c0},
+       {0x00, 0xf7, 0x819f},
+       {0x00, 0xf7, 0x81b0},
+       {0x00, 0xf7, 0x81c1},
+       {0x00, 0xff, 0x81a0},
+       {0x00, 0xff, 0x81b1},
+       {0x00, 0xff, 0x81c2},
+       {0x00, 0x03, 0x8156},
+       {0x00, 0x00, 0x8211},
+       {0x00, 0x20, 0x8168},
+       {0x00, 0x01, 0x8202},
+       {0x00, 0x30, 0x8101},
+       {0x00, 0x00, 0x8111},
+       {0x00, 0x00, 0x8112},
+       {0x00, 0x00, 0x8113},
+       {0x00, 0x00, 0x8114},
+       {}
+};
+
+static const __u8 qtable_creative_pccam[2][64] = {
+       {                               /* Q-table Y-components */
+        0x05, 0x03, 0x03, 0x05, 0x07, 0x0c, 0x0f, 0x12,
+        0x04, 0x04, 0x04, 0x06, 0x08, 0x11, 0x12, 0x11,
+        0x04, 0x04, 0x05, 0x07, 0x0c, 0x11, 0x15, 0x11,
+        0x04, 0x05, 0x07, 0x09, 0x0f, 0x1a, 0x18, 0x13,
+        0x05, 0x07, 0x0b, 0x11, 0x14, 0x21, 0x1f, 0x17,
+        0x07, 0x0b, 0x11, 0x13, 0x18, 0x1f, 0x22, 0x1c,
+        0x0f, 0x13, 0x17, 0x1a, 0x1f, 0x24, 0x24, 0x1e,
+        0x16, 0x1c, 0x1d, 0x1d, 0x22, 0x1e, 0x1f, 0x1e},
+       {                               /* Q-table C-components */
+        0x05, 0x05, 0x07, 0x0e, 0x1e, 0x1e, 0x1e, 0x1e,
+        0x05, 0x06, 0x08, 0x14, 0x1e, 0x1e, 0x1e, 0x1e,
+        0x07, 0x08, 0x11, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
+        0x0e, 0x14, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
+        0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
+        0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
+        0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
+        0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e}
+};
+
+static const __u8 qtable_kodak_ez200[2][64] = {
+       {                               /* Q-table Y-components */
+        0x02, 0x01, 0x01, 0x02, 0x02, 0x04, 0x05, 0x06,
+        0x01, 0x01, 0x01, 0x02, 0x03, 0x06, 0x06, 0x06,
+        0x01, 0x01, 0x02, 0x02, 0x04, 0x06, 0x07, 0x06,
+        0x01, 0x02, 0x02, 0x03, 0x05, 0x09, 0x08, 0x06,
+        0x02, 0x02, 0x04, 0x06, 0x07, 0x0b, 0x0a, 0x08,
+        0x02, 0x04, 0x06, 0x06, 0x08, 0x0a, 0x0b, 0x09,
+        0x05, 0x06, 0x08, 0x09, 0x0a, 0x0c, 0x0c, 0x0a,
+        0x07, 0x09, 0x0a, 0x0a, 0x0b, 0x0a, 0x0a, 0x0a},
+       {                               /* Q-table C-components */
+        0x02, 0x02, 0x02, 0x05, 0x0a, 0x0a, 0x0a, 0x0a,
+        0x02, 0x02, 0x03, 0x07, 0x0a, 0x0a, 0x0a, 0x0a,
+        0x02, 0x03, 0x06, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
+        0x05, 0x07, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
+        0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
+        0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
+        0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
+        0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a}
+};
+
+static const __u8 qtable_pocketdv[2][64] = {
+       {               /* Q-table Y-components start registers 0x8800 */
+        0x06, 0x04, 0x04, 0x06, 0x0a, 0x10, 0x14, 0x18,
+        0x05, 0x05, 0x06, 0x08, 0x0a, 0x17, 0x18, 0x16,
+        0x06, 0x05, 0x06, 0x0a, 0x10, 0x17, 0x1c, 0x16,
+        0x06, 0x07, 0x09, 0x0c, 0x14, 0x23, 0x20, 0x19,
+        0x07, 0x09, 0x0f, 0x16, 0x1b, 0x2c, 0x29, 0x1f,
+        0x0a, 0x0e, 0x16, 0x1a, 0x20, 0x2a, 0x2d, 0x25,
+        0x14, 0x1a, 0x1f, 0x23, 0x29, 0x30, 0x30, 0x28,
+        0x1d, 0x25, 0x26, 0x27, 0x2d, 0x28, 0x29, 0x28,
+        },
+       {               /* Q-table C-components start registers 0x8840 */
+        0x07, 0x07, 0x0a, 0x13, 0x28, 0x28, 0x28, 0x28,
+        0x07, 0x08, 0x0a, 0x1a, 0x28, 0x28, 0x28, 0x28,
+        0x0a, 0x0a, 0x16, 0x28, 0x28, 0x28, 0x28, 0x28,
+        0x13, 0x1a, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28,
+        0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28,
+        0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28,
+        0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28,
+        0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28}
+};
+
+/* read 'len' bytes to gspca_dev->usb_buf */
+static void reg_r(struct gspca_dev *gspca_dev,
+                 __u16 index,
+                 __u16 length)
+{
+       usb_control_msg(gspca_dev->dev,
+                       usb_rcvctrlpipe(gspca_dev->dev, 0),
+                       0,
+                       USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+                       0,              /* value */
+                       index, gspca_dev->usb_buf, length, 500);
+}
+
+static int reg_w(struct gspca_dev *gspca_dev,
+                    __u16 req, __u16 index, __u16 value)
+{
+       int ret;
+
+       PDEBUG(D_USBO, "reg write: [0x%02x] = 0x%02x", index, value);
+       ret = usb_control_msg(gspca_dev->dev,
+                       usb_sndctrlpipe(gspca_dev->dev, 0),
+                       req,
+                       USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+                       value, index, NULL, 0, 500);
+       if (ret < 0)
+               pr_err("reg write: error %d\n", ret);
+       return ret;
+}
+
+/* returns: negative is error, pos or zero is data */
+static int reg_r_12(struct gspca_dev *gspca_dev,
+                       __u16 req,      /* bRequest */
+                       __u16 index,    /* wIndex */
+                       __u16 length)   /* wLength (1 or 2 only) */
+{
+       int ret;
+
+       gspca_dev->usb_buf[1] = 0;
+       ret = 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);           /* timeout */
+       if (ret < 0) {
+               pr_err("reg_r_12 err %d\n", ret);
+               return ret;
+       }
+       return (gspca_dev->usb_buf[1] << 8) + gspca_dev->usb_buf[0];
+}
+
+/*
+ * Simple function to wait for a given 8-bit value to be returned from
+ * a reg_read call.
+ * Returns: negative is error or timeout, zero is success.
+ */
+static int reg_r_wait(struct gspca_dev *gspca_dev,
+                       __u16 reg, __u16 index, __u16 value)
+{
+       int ret, cnt = 20;
+
+       while (--cnt > 0) {
+               ret = reg_r_12(gspca_dev, reg, index, 1);
+               if (ret == value)
+                       return 0;
+               msleep(50);
+       }
+       return -EIO;
+}
+
+static int write_vector(struct gspca_dev *gspca_dev,
+                       const __u16 data[][3])
+{
+       int ret, i = 0;
+
+       while (data[i][0] != 0 || data[i][1] != 0 || data[i][2] != 0) {
+               ret = reg_w(gspca_dev, data[i][0], data[i][2], data[i][1]);
+               if (ret < 0)
+                       return ret;
+               i++;
+       }
+       return 0;
+}
+
+static int spca50x_setup_qtable(struct gspca_dev *gspca_dev,
+                               unsigned int request,
+                               unsigned int ybase,
+                               unsigned int cbase,
+                               const __u8 qtable[2][64])
+{
+       int i, err;
+
+       /* loop over y components */
+       for (i = 0; i < 64; i++) {
+               err = reg_w(gspca_dev, request, ybase + i, qtable[0][i]);
+               if (err < 0)
+                       return err;
+       }
+
+       /* loop over c components */
+       for (i = 0; i < 64; i++) {
+               err = reg_w(gspca_dev, request, cbase + i, qtable[1][i]);
+               if (err < 0)
+                       return err;
+       }
+       return 0;
+}
+
+static void spca500_ping310(struct gspca_dev *gspca_dev)
+{
+       reg_r(gspca_dev, 0x0d04, 2);
+       PDEBUG(D_STREAM, "ClickSmart310 ping 0x0d04 0x%02x 0x%02x",
+               gspca_dev->usb_buf[0], gspca_dev->usb_buf[1]);
+}
+
+static void spca500_clksmart310_init(struct gspca_dev *gspca_dev)
+{
+       reg_r(gspca_dev, 0x0d05, 2);
+       PDEBUG(D_STREAM, "ClickSmart310 init 0x0d05 0x%02x 0x%02x",
+               gspca_dev->usb_buf[0], gspca_dev->usb_buf[1]);
+       reg_w(gspca_dev, 0x00, 0x8167, 0x5a);
+       spca500_ping310(gspca_dev);
+
+       reg_w(gspca_dev, 0x00, 0x8168, 0x22);
+       reg_w(gspca_dev, 0x00, 0x816a, 0xc0);
+       reg_w(gspca_dev, 0x00, 0x816b, 0x0b);
+       reg_w(gspca_dev, 0x00, 0x8169, 0x25);
+       reg_w(gspca_dev, 0x00, 0x8157, 0x5b);
+       reg_w(gspca_dev, 0x00, 0x8158, 0x5b);
+       reg_w(gspca_dev, 0x00, 0x813f, 0x03);
+       reg_w(gspca_dev, 0x00, 0x8151, 0x4a);
+       reg_w(gspca_dev, 0x00, 0x8153, 0x78);
+       reg_w(gspca_dev, 0x00, 0x0d01, 0x04);
+                                               /* 00 for adjust shutter */
+       reg_w(gspca_dev, 0x00, 0x0d02, 0x01);
+       reg_w(gspca_dev, 0x00, 0x8169, 0x25);
+       reg_w(gspca_dev, 0x00, 0x0d01, 0x02);
+}
+
+static void spca500_setmode(struct gspca_dev *gspca_dev,
+                       __u8 xmult, __u8 ymult)
+{
+       int mode;
+
+       /* set x multiplier */
+       reg_w(gspca_dev, 0, 0x8001, xmult);
+
+       /* set y multiplier */
+       reg_w(gspca_dev, 0, 0x8002, ymult);
+
+       /* use compressed mode, VGA, with mode specific subsample */
+       mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
+       reg_w(gspca_dev, 0, 0x8003, mode << 4);
+}
+
+static int spca500_full_reset(struct gspca_dev *gspca_dev)
+{
+       int err;
+
+       /* send the reset command */
+       err = reg_w(gspca_dev, 0xe0, 0x0001, 0x0000);
+       if (err < 0)
+               return err;
+
+       /* wait for the reset to complete */
+       err = reg_r_wait(gspca_dev, 0x06, 0x0000, 0x0000);
+       if (err < 0)
+               return err;
+       err = reg_w(gspca_dev, 0xe0, 0x0000, 0x0000);
+       if (err < 0)
+               return err;
+       err = reg_r_wait(gspca_dev, 0x06, 0, 0);
+       if (err < 0) {
+               PERR("reg_r_wait() failed");
+               return err;
+       }
+       /* all ok */
+       return 0;
+}
+
+/* Synchro the Bridge with sensor */
+/* Maybe that will work on all spca500 chip */
+/* because i only own a clicksmart310 try for that chip */
+/* using spca50x_set_packet_size() cause an Ooops here */
+/* usb_set_interface from kernel 2.6.x clear all the urb stuff */
+/* up-port the same feature as in 2.4.x kernel */
+static int spca500_synch310(struct gspca_dev *gspca_dev)
+{
+       if (usb_set_interface(gspca_dev->dev, gspca_dev->iface, 0) < 0) {
+               PERR("Set packet size: set interface error");
+               goto error;
+       }
+       spca500_ping310(gspca_dev);
+
+       reg_r(gspca_dev, 0x0d00, 1);
+
+       /* need alt setting here */
+       PDEBUG(D_PACK, "ClickSmart310 sync alt: %d", gspca_dev->alt);
+
+       /* Windoze use pipe with altsetting 6 why 7 here */
+       if (usb_set_interface(gspca_dev->dev,
+                               gspca_dev->iface,
+                               gspca_dev->alt) < 0) {
+               PERR("Set packet size: set interface error");
+               goto error;
+       }
+       return 0;
+error:
+       return -EBUSY;
+}
+
+static void spca500_reinit(struct gspca_dev *gspca_dev)
+{
+       int err;
+       __u8 Data;
+
+       /* some unknown command from Aiptek pocket dv and family300 */
+
+       reg_w(gspca_dev, 0x00, 0x0d01, 0x01);
+       reg_w(gspca_dev, 0x00, 0x0d03, 0x00);
+       reg_w(gspca_dev, 0x00, 0x0d02, 0x01);
+
+       /* enable drop packet */
+       reg_w(gspca_dev, 0x00, 0x850a, 0x0001);
+
+       err = spca50x_setup_qtable(gspca_dev, 0x00, 0x8800, 0x8840,
+                                qtable_pocketdv);
+       if (err < 0)
+               PERR("spca50x_setup_qtable failed on init");
+
+       /* set qtable index */
+       reg_w(gspca_dev, 0x00, 0x8880, 2);
+       /* family cam Quicksmart stuff */
+       reg_w(gspca_dev, 0x00, 0x800a, 0x00);
+       /* Set agc transfer: synced between frames */
+       reg_w(gspca_dev, 0x00, 0x820f, 0x01);
+       /* Init SDRAM - needed for SDRAM access */
+       reg_w(gspca_dev, 0x00, 0x870a, 0x04);
+       /*Start init sequence or stream */
+       reg_w(gspca_dev, 0, 0x8003, 0x00);
+       /* switch to video camera mode */
+       reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
+       msleep(2000);
+       if (reg_r_wait(gspca_dev, 0, 0x8000, 0x44) != 0) {
+               reg_r(gspca_dev, 0x816b, 1);
+               Data = gspca_dev->usb_buf[0];
+               reg_w(gspca_dev, 0x00, 0x816b, Data);
+       }
+}
+
+/* this function is called at probe time */
+static int sd_config(struct gspca_dev *gspca_dev,
+                       const struct usb_device_id *id)
+{
+       struct sd *sd = (struct sd *) gspca_dev;
+       struct cam *cam;
+
+       cam = &gspca_dev->cam;
+       sd->subtype = id->driver_info;
+       if (sd->subtype != LogitechClickSmart310) {
+               cam->cam_mode = vga_mode;
+               cam->nmodes = ARRAY_SIZE(vga_mode);
+       } else {
+               cam->cam_mode = sif_mode;
+               cam->nmodes = ARRAY_SIZE(sif_mode);
+       }
+       return 0;
+}
+
+/* this function is called at probe and resume time */
+static int sd_init(struct gspca_dev *gspca_dev)
+{
+       struct sd *sd = (struct sd *) gspca_dev;
+
+       /* initialisation of spca500 based cameras is deferred */
+       PDEBUG(D_STREAM, "SPCA500 init");
+       if (sd->subtype == LogitechClickSmart310)
+               spca500_clksmart310_init(gspca_dev);
+/*     else
+               spca500_initialise(gspca_dev); */
+       PDEBUG(D_STREAM, "SPCA500 init done");
+       return 0;
+}
+
+static int sd_start(struct gspca_dev *gspca_dev)
+{
+       struct sd *sd = (struct sd *) gspca_dev;
+       int err;
+       __u8 Data;
+       __u8 xmult, ymult;
+
+       /* create the JPEG header */
+       jpeg_define(sd->jpeg_hdr, gspca_dev->pixfmt.height,
+                       gspca_dev->pixfmt.width,
+                       0x22);          /* JPEG 411 */
+       jpeg_set_qual(sd->jpeg_hdr, QUALITY);
+
+       if (sd->subtype == LogitechClickSmart310) {
+               xmult = 0x16;
+               ymult = 0x12;
+       } else {
+               xmult = 0x28;
+               ymult = 0x1e;
+       }
+
+       /* is there a sensor here ? */
+       reg_r(gspca_dev, 0x8a04, 1);
+       PDEBUG(D_STREAM, "Spca500 Sensor Address 0x%02x",
+               gspca_dev->usb_buf[0]);
+       PDEBUG(D_STREAM, "Spca500 curr_mode: %d Xmult: 0x%02x, Ymult: 0x%02x",
+               gspca_dev->curr_mode, xmult, ymult);
+
+       /* setup qtable */
+       switch (sd->subtype) {
+       case LogitechClickSmart310:
+                spca500_setmode(gspca_dev, xmult, ymult);
+
+               /* enable drop packet */
+               reg_w(gspca_dev, 0x00, 0x850a, 0x0001);
+               reg_w(gspca_dev, 0x00, 0x8880, 3);
+               err = spca50x_setup_qtable(gspca_dev,
+                                          0x00, 0x8800, 0x8840,
+                                          qtable_creative_pccam);
+               if (err < 0)
+                       PERR("spca50x_setup_qtable failed");
+               /* Init SDRAM - needed for SDRAM access */
+               reg_w(gspca_dev, 0x00, 0x870a, 0x04);
+
+               /* switch to video camera mode */
+               reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
+               msleep(500);
+               if (reg_r_wait(gspca_dev, 0, 0x8000, 0x44) != 0)
+                       PERR("reg_r_wait() failed");
+
+               reg_r(gspca_dev, 0x816b, 1);
+               Data = gspca_dev->usb_buf[0];
+               reg_w(gspca_dev, 0x00, 0x816b, Data);
+
+               spca500_synch310(gspca_dev);
+
+               write_vector(gspca_dev, spca500_visual_defaults);
+               spca500_setmode(gspca_dev, xmult, ymult);
+               /* enable drop packet */
+               err = reg_w(gspca_dev, 0x00, 0x850a, 0x0001);
+               if (err < 0)
+                       PERR("failed to enable drop packet");
+               reg_w(gspca_dev, 0x00, 0x8880, 3);
+               err = spca50x_setup_qtable(gspca_dev,
+                                          0x00, 0x8800, 0x8840,
+                                          qtable_creative_pccam);
+               if (err < 0)
+                       PERR("spca50x_setup_qtable failed");
+
+               /* Init SDRAM - needed for SDRAM access */
+               reg_w(gspca_dev, 0x00, 0x870a, 0x04);
+
+               /* switch to video camera mode */
+               reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
+
+               if (reg_r_wait(gspca_dev, 0, 0x8000, 0x44) != 0)
+                       PERR("reg_r_wait() failed");
+
+               reg_r(gspca_dev, 0x816b, 1);
+               Data = gspca_dev->usb_buf[0];
+               reg_w(gspca_dev, 0x00, 0x816b, Data);
+               break;
+       case CreativePCCam300:          /* Creative PC-CAM 300 640x480 CCD */
+       case IntelPocketPCCamera:       /* FIXME: Temporary fix for
+                                        *      Intel Pocket PC Camera
+                                        *      - NWG (Sat 29th March 2003) */
+
+               /* do a full reset */
+               err = spca500_full_reset(gspca_dev);
+               if (err < 0)
+                       PERR("spca500_full_reset failed");
+
+               /* enable drop packet */
+               err = reg_w(gspca_dev, 0x00, 0x850a, 0x0001);
+               if (err < 0)
+                       PERR("failed to enable drop packet");
+               reg_w(gspca_dev, 0x00, 0x8880, 3);
+               err = spca50x_setup_qtable(gspca_dev,
+                                          0x00, 0x8800, 0x8840,
+                                          qtable_creative_pccam);
+               if (err < 0)
+                       PERR("spca50x_setup_qtable failed");
+
+               spca500_setmode(gspca_dev, xmult, ymult);
+               reg_w(gspca_dev, 0x20, 0x0001, 0x0004);
+
+               /* switch to video camera mode */
+               reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
+
+               if (reg_r_wait(gspca_dev, 0, 0x8000, 0x44) != 0)
+                       PERR("reg_r_wait() failed");
+
+               reg_r(gspca_dev, 0x816b, 1);
+               Data = gspca_dev->usb_buf[0];
+               reg_w(gspca_dev, 0x00, 0x816b, Data);
+
+/*             write_vector(gspca_dev, spca500_visual_defaults); */
+               break;
+       case KodakEZ200:                /* Kodak EZ200 */
+
+               /* do a full reset */
+               err = spca500_full_reset(gspca_dev);
+               if (err < 0)
+                       PERR("spca500_full_reset failed");
+               /* enable drop packet */
+               reg_w(gspca_dev, 0x00, 0x850a, 0x0001);
+               reg_w(gspca_dev, 0x00, 0x8880, 0);
+               err = spca50x_setup_qtable(gspca_dev,
+                                          0x00, 0x8800, 0x8840,
+                                          qtable_kodak_ez200);
+               if (err < 0)
+                       PERR("spca50x_setup_qtable failed");
+               spca500_setmode(gspca_dev, xmult, ymult);
+
+               reg_w(gspca_dev, 0x20, 0x0001, 0x0004);
+
+               /* switch to video camera mode */
+               reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
+
+               if (reg_r_wait(gspca_dev, 0, 0x8000, 0x44) != 0)
+                       PERR("reg_r_wait() failed");
+
+               reg_r(gspca_dev, 0x816b, 1);
+               Data = gspca_dev->usb_buf[0];
+               reg_w(gspca_dev, 0x00, 0x816b, Data);
+
+/*             write_vector(gspca_dev, spca500_visual_defaults); */
+               break;
+
+       case BenqDC1016:
+       case DLinkDSC350:               /* FamilyCam 300 */
+       case AiptekPocketDV:            /* Aiptek PocketDV */
+       case Gsmartmini:                /*Mustek Gsmart Mini */
+       case MustekGsmart300:           /* Mustek Gsmart 300 */
+       case PalmPixDC85:
+       case Optimedia:
+       case ToptroIndus:
+       case AgfaCl20:
+               spca500_reinit(gspca_dev);
+               reg_w(gspca_dev, 0x00, 0x0d01, 0x01);
+               /* enable drop packet */
+               reg_w(gspca_dev, 0x00, 0x850a, 0x0001);
+
+               err = spca50x_setup_qtable(gspca_dev,
+                                  0x00, 0x8800, 0x8840, qtable_pocketdv);
+               if (err < 0)
+                       PERR("spca50x_setup_qtable failed");
+               reg_w(gspca_dev, 0x00, 0x8880, 2);
+
+               /* familycam Quicksmart pocketDV stuff */
+               reg_w(gspca_dev, 0x00, 0x800a, 0x00);
+               /* Set agc transfer: synced between frames */
+               reg_w(gspca_dev, 0x00, 0x820f, 0x01);
+               /* Init SDRAM - needed for SDRAM access */
+               reg_w(gspca_dev, 0x00, 0x870a, 0x04);
+
+               spca500_setmode(gspca_dev, xmult, ymult);
+               /* switch to video camera mode */
+               reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
+
+               reg_r_wait(gspca_dev, 0, 0x8000, 0x44);
+
+               reg_r(gspca_dev, 0x816b, 1);
+               Data = gspca_dev->usb_buf[0];
+               reg_w(gspca_dev, 0x00, 0x816b, Data);
+               break;
+       case LogitechTraveler:
+       case LogitechClickSmart510:
+               reg_w(gspca_dev, 0x02, 0x00, 0x00);
+               /* enable drop packet */
+               reg_w(gspca_dev, 0x00, 0x850a, 0x0001);
+
+               err = spca50x_setup_qtable(gspca_dev,
+                                       0x00, 0x8800,
+                                       0x8840, qtable_creative_pccam);
+               if (err < 0)
+                       PERR("spca50x_setup_qtable failed");
+               reg_w(gspca_dev, 0x00, 0x8880, 3);
+               reg_w(gspca_dev, 0x00, 0x800a, 0x00);
+               /* Init SDRAM - needed for SDRAM access */
+               reg_w(gspca_dev, 0x00, 0x870a, 0x04);
+
+               spca500_setmode(gspca_dev, xmult, ymult);
+
+               /* switch to video camera mode */
+               reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
+               reg_r_wait(gspca_dev, 0, 0x8000, 0x44);
+
+               reg_r(gspca_dev, 0x816b, 1);
+               Data = gspca_dev->usb_buf[0];
+               reg_w(gspca_dev, 0x00, 0x816b, Data);
+               write_vector(gspca_dev, Clicksmart510_defaults);
+               break;
+       }
+       return 0;
+}
+
+static void sd_stopN(struct gspca_dev *gspca_dev)
+{
+       reg_w(gspca_dev, 0, 0x8003, 0x00);
+
+       /* switch to video camera mode */
+       reg_w(gspca_dev, 0x00, 0x8000, 0x0004);
+       reg_r(gspca_dev, 0x8000, 1);
+       PDEBUG(D_STREAM, "stop SPCA500 done reg8000: 0x%2x",
+               gspca_dev->usb_buf[0]);
+}
+
+static void sd_pkt_scan(struct gspca_dev *gspca_dev,
+                       u8 *data,                       /* isoc packet */
+                       int len)                        /* iso packet length */
+{
+       struct sd *sd = (struct sd *) gspca_dev;
+       int i;
+       static __u8 ffd9[] = {0xff, 0xd9};
+
+/* frames are jpeg 4.1.1 without 0xff escape */
+       if (data[0] == 0xff) {
+               if (data[1] != 0x01) {  /* drop packet */
+/*                     gspca_dev->last_packet_type = DISCARD_PACKET; */
+                       return;
+               }
+               gspca_frame_add(gspca_dev, LAST_PACKET,
+                                       ffd9, 2);
+
+               /* put the JPEG header in the new frame */
+               gspca_frame_add(gspca_dev, FIRST_PACKET,
+                       sd->jpeg_hdr, JPEG_HDR_SZ);
+
+               data += SPCA500_OFFSET_DATA;
+               len -= SPCA500_OFFSET_DATA;
+       } else {
+               data += 1;
+               len -= 1;
+       }
+
+       /* add 0x00 after 0xff */
+       i = 0;
+       do {
+               if (data[i] == 0xff) {
+                       gspca_frame_add(gspca_dev, INTER_PACKET,
+                                       data, i + 1);
+                       len -= i;
+                       data += i;
+                       *data = 0x00;
+                       i = 0;
+               }
+               i++;
+       } while (i < len);
+       gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
+}
+
+static void setbrightness(struct gspca_dev *gspca_dev, s32 val)
+{
+       reg_w(gspca_dev, 0x00, 0x8167,
+                       (__u8) (val - 128));
+}
+
+static void setcontrast(struct gspca_dev *gspca_dev, s32 val)
+{
+       reg_w(gspca_dev, 0x00, 0x8168, val);
+}
+
+static void setcolors(struct gspca_dev *gspca_dev, s32 val)
+{
+       reg_w(gspca_dev, 0x00, 0x8169, val);
+}
+
+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;
+       }
+       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, 3);
+       v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+                       V4L2_CID_BRIGHTNESS, 0, 255, 1, 127);
+       v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+                       V4L2_CID_CONTRAST, 0, 63, 1, 31);
+       v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+                       V4L2_CID_SATURATION, 0, 63, 1, 31);
+
+       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(0x040a, 0x0300), .driver_info = KodakEZ200},
+       {USB_DEVICE(0x041e, 0x400a), .driver_info = CreativePCCam300},
+       {USB_DEVICE(0x046d, 0x0890), .driver_info = LogitechTraveler},
+       {USB_DEVICE(0x046d, 0x0900), .driver_info = LogitechClickSmart310},
+       {USB_DEVICE(0x046d, 0x0901), .driver_info = LogitechClickSmart510},
+       {USB_DEVICE(0x04a5, 0x300c), .driver_info = BenqDC1016},
+       {USB_DEVICE(0x04fc, 0x7333), .driver_info = PalmPixDC85},
+       {USB_DEVICE(0x055f, 0xc200), .driver_info = MustekGsmart300},
+       {USB_DEVICE(0x055f, 0xc220), .driver_info = Gsmartmini},
+       {USB_DEVICE(0x06bd, 0x0404), .driver_info = AgfaCl20},
+       {USB_DEVICE(0x06be, 0x0800), .driver_info = Optimedia},
+       {USB_DEVICE(0x084d, 0x0003), .driver_info = DLinkDSC350},
+       {USB_DEVICE(0x08ca, 0x0103), .driver_info = AiptekPocketDV},
+       {USB_DEVICE(0x2899, 0x012c), .driver_info = ToptroIndus},
+       {USB_DEVICE(0x8086, 0x0630), .driver_info = IntelPocketPCCamera},
+       {}
+};
+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);