module_param(core_debug, int, 0644);
MODULE_PARM_DESC(core_debug, "enable debug messages [core]");
-static unsigned int force_testpattern;
-module_param(force_testpattern, int, 0644);
-MODULE_PARM_DESC(force_testpattern, "enable test pattern display [core]");
-
static int adjust_compression = 1; /* Set the compression to be adaptive */
module_param(adjust_compression, int, 0444);
MODULE_PARM_DESC(adjust_compression, " Set the ADPCM compression for the device. Default: 1 (On)");
usbvision->scratch = NULL;
}
-/*
- * usbvision_testpattern()
- *
- * Procedure forms a test pattern (yellow grid on blue background).
- *
- * Parameters:
- * fullframe: if TRUE then entire frame is filled, otherwise the procedure
- * continues from the current scanline.
- * pmode 0: fill the frame with solid blue color (like on VCR or TV)
- * 1: Draw a colored grid
- *
- */
-static void usbvision_testpattern(struct usb_usbvision *usbvision,
- int fullframe, int pmode)
-{
- static const char proc[] = "usbvision_testpattern";
- struct usbvision_frame *frame;
- unsigned char *f;
- int num_cell = 0;
- int scan_length = 0;
- static int num_pass;
-
- if (usbvision == NULL) {
- printk(KERN_ERR "%s: usbvision == NULL\n", proc);
- return;
- }
- if (usbvision->cur_frame == NULL) {
- printk(KERN_ERR "%s: usbvision->cur_frame is NULL.\n", proc);
- return;
- }
-
- /* Grab the current frame */
- frame = usbvision->cur_frame;
-
- /* Optionally start at the beginning */
- if (fullframe) {
- frame->curline = 0;
- frame->scanlength = 0;
- }
-
- /* Form every scan line */
- for (; frame->curline < frame->frmheight; frame->curline++) {
- int i;
-
- f = frame->data + (usbvision->curwidth * 3 * frame->curline);
- for (i = 0; i < usbvision->curwidth; i++) {
- unsigned char cb = 0x80;
- unsigned char cg = 0;
- unsigned char cr = 0;
-
- if (pmode == 1) {
- if (frame->curline % 32 == 0)
- cb = 0, cg = cr = 0xFF;
- else if (i % 32 == 0) {
- if (frame->curline % 32 == 1)
- num_cell++;
- cb = 0, cg = cr = 0xFF;
- } else {
- cb =
- ((num_cell * 7) +
- num_pass) & 0xFF;
- cg =
- ((num_cell * 5) +
- num_pass * 2) & 0xFF;
- cr =
- ((num_cell * 3) +
- num_pass * 3) & 0xFF;
- }
- } else {
- /* Just the blue screen */
- }
-
- *f++ = cb;
- *f++ = cg;
- *f++ = cr;
- scan_length += 3;
- }
- }
-
- frame->grabstate = frame_state_done;
- frame->scanlength += scan_length;
- ++num_pass;
-}
-
/*
* usbvision_decompress_alloc()
*
frame->scanstate = scan_state_lines;
frame->curline = 0;
- if (force_testpattern) {
- usbvision_testpattern(usbvision, 1, 1);
- return parse_state_next_frame;
- }
return parse_state_continue;
}
return err_code;
}
+/* configure webcam image sensor using the serial port */
+static int usbvision_init_webcam(struct usb_usbvision *usbvision)
+{
+ int rc;
+ int i;
+ static char init_values[38][3] = {
+ { 0x04, 0x12, 0x08 }, { 0x05, 0xff, 0xc8 }, { 0x06, 0x18, 0x07 }, { 0x07, 0x90, 0x00 },
+ { 0x09, 0x00, 0x00 }, { 0x0a, 0x00, 0x00 }, { 0x0b, 0x08, 0x00 }, { 0x0d, 0xcc, 0xcc },
+ { 0x0e, 0x13, 0x14 }, { 0x10, 0x9b, 0x83 }, { 0x11, 0x5a, 0x3f }, { 0x12, 0xe4, 0x73 },
+ { 0x13, 0x88, 0x84 }, { 0x14, 0x89, 0x80 }, { 0x15, 0x00, 0x20 }, { 0x16, 0x00, 0x00 },
+ { 0x17, 0xff, 0xa0 }, { 0x18, 0x6b, 0x20 }, { 0x19, 0x22, 0x40 }, { 0x1a, 0x10, 0x07 },
+ { 0x1b, 0x00, 0x47 }, { 0x1c, 0x03, 0xe0 }, { 0x1d, 0x00, 0x00 }, { 0x1e, 0x00, 0x00 },
+ { 0x1f, 0x00, 0x00 }, { 0x20, 0x00, 0x00 }, { 0x21, 0x00, 0x00 }, { 0x22, 0x00, 0x00 },
+ { 0x23, 0x00, 0x00 }, { 0x24, 0x00, 0x00 }, { 0x25, 0x00, 0x00 }, { 0x26, 0x00, 0x00 },
+ { 0x27, 0x00, 0x00 }, { 0x28, 0x00, 0x00 }, { 0x29, 0x00, 0x00 }, { 0x08, 0x80, 0x60 },
+ { 0x0f, 0x2d, 0x24 }, { 0x0c, 0x80, 0x80 }
+ };
+ char value[3];
+
+ /* the only difference between PAL and NTSC init_values */
+ if (usbvision_device_data[usbvision->dev_model].video_norm == V4L2_STD_NTSC)
+ init_values[4][1] = 0x34;
+
+ for (i = 0; i < sizeof(init_values) / 3; i++) {
+ usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_SER_MODE_SOFT);
+ memcpy(value, init_values[i], 3);
+ rc = usb_control_msg(usbvision->dev,
+ usb_sndctrlpipe(usbvision->dev, 1),
+ USBVISION_OP_CODE,
+ USB_DIR_OUT | USB_TYPE_VENDOR |
+ USB_RECIP_ENDPOINT, 0,
+ (__u16) USBVISION_SER_DAT1, value,
+ 3, HZ);
+ if (rc < 0)
+ return rc;
+ usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_SER_MODE_SIO);
+ /* write 3 bytes to the serial port using SIO mode */
+ usbvision_write_reg(usbvision, USBVISION_SER_CONT, 3 | 0x10);
+ usbvision_write_reg(usbvision, USBVISION_IOPIN_REG, 0);
+ usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_SER_MODE_SOFT);
+ usbvision_write_reg(usbvision, USBVISION_IOPIN_REG, USBVISION_IO_2);
+ usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_SER_MODE_SOFT | USBVISION_CLK_OUT);
+ usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_SER_MODE_SOFT | USBVISION_DAT_IO);
+ usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_SER_MODE_SOFT | USBVISION_CLK_OUT | USBVISION_DAT_IO);
+ }
+
+ return 0;
+}
+
/*
* usbvision_set_video_format()
*
frame_drop = FRAMERATE_MAX; /* We can allow the maximum here, because dropping is controlled */
+ if (usbvision_device_data[usbvision->dev_model].codec == CODEC_WEBCAM) {
+ if (usbvision_device_data[usbvision->dev_model].video_norm == V4L2_STD_PAL)
+ frame_drop = 25;
+ else
+ frame_drop = 30;
+ }
+
/* frame_drop = 7; => frame_phase = 1, 5, 9, 13, 17, 21, 25, 0, 4, 8, ...
=> frame_skip = 4;
=> frame_rate = (7 + 1) * 25 / 32 = 200 / 32 = 6.25;
value[7] = 0x00; /* 0x0010 -> 16 Input video v offset */
}
+ /* webcam is only 480 pixels wide, both PAL and NTSC version */
+ if (usbvision_device_data[usbvision->dev_model].codec == CODEC_WEBCAM) {
+ value[0] = 0xe0;
+ value[1] = 0x01; /* 0x01E0 -> 480 Input video line length */
+ }
+
if (usbvision_device_data[usbvision->dev_model].x_offset >= 0) {
value[4] = usbvision_device_data[usbvision->dev_model].x_offset & 0xff;
value[5] = (usbvision_device_data[usbvision->dev_model].x_offset & 0x0300) >> 8;
(__u16) USBVISION_DRM_PRM1, value, 8, HZ);
if (rc < 0) {
- dev_err(&usbvision->dev->dev, "%sERROR=%d\n", __func__, rc);
+ dev_err(&usbvision->dev->dev, "%s: ERROR=%d\n", __func__, rc);
return rc;
}
usbvision_write_reg(usbvision, USBVISION_PWR_REG,
USBVISION_SSPND_EN | USBVISION_RES2);
+ if (usbvision_device_data[usbvision->dev_model].codec == CODEC_WEBCAM) {
+ usbvision_write_reg(usbvision, USBVISION_VIN_REG1,
+ USBVISION_16_422_SYNC | USBVISION_HVALID_PO);
+ usbvision_write_reg(usbvision, USBVISION_VIN_REG2,
+ USBVISION_NOHVALID | USBVISION_KEEP_BLANK);
+ }
usbvision_write_reg(usbvision, USBVISION_PWR_REG,
USBVISION_SSPND_EN | USBVISION_PWR_VID);
+ mdelay(10);
err_code = usbvision_write_reg(usbvision, USBVISION_PWR_REG,
USBVISION_SSPND_EN | USBVISION_PWR_VID | USBVISION_RES2);
if (err_code == 1)
int usbvision_setup(struct usb_usbvision *usbvision, int format)
{
+ if (usbvision_device_data[usbvision->dev_model].codec == CODEC_WEBCAM)
+ usbvision_init_webcam(usbvision);
usbvision_set_video_format(usbvision, format);
usbvision_set_dram_settings(usbvision);
usbvision_set_compress_params(usbvision);
git.openpandora.org / pandora-kernel.git / blobdiff