* Based on the Linux CPiA driver written by Peter Pregler,
* Scott J. Bertin and Johannes Erdfelt.
*
- * Please see the file: linux/Documentation/usb/ov511.txt
+ * Please see the file: Documentation/usb/ov511.txt
* and the website at: http://alpha.dyndns.org/ov511
* for more info.
*
static int mirror;
static int ov518_color;
-MODULE_PARM(autobright, "i");
+module_param(autobright, int, 0);
MODULE_PARM_DESC(autobright, "Sensor automatically changes brightness");
-MODULE_PARM(autogain, "i");
+module_param(autogain, int, 0);
MODULE_PARM_DESC(autogain, "Sensor automatically changes gain");
-MODULE_PARM(autoexp, "i");
+module_param(autoexp, int, 0);
MODULE_PARM_DESC(autoexp, "Sensor automatically changes exposure");
-MODULE_PARM(debug, "i");
+module_param(debug, int, 0);
MODULE_PARM_DESC(debug,
"Debug level: 0=none, 1=inits, 2=warning, 3=config, 4=functions, 5=max");
-MODULE_PARM(snapshot, "i");
+module_param(snapshot, int, 0);
MODULE_PARM_DESC(snapshot, "Enable snapshot mode");
-MODULE_PARM(cams, "i");
+module_param(cams, int, 0);
MODULE_PARM_DESC(cams, "Number of simultaneous cameras");
-MODULE_PARM(compress, "i");
+module_param(compress, int, 0);
MODULE_PARM_DESC(compress, "Turn on compression");
-MODULE_PARM(testpat, "i");
+module_param(testpat, int, 0);
MODULE_PARM_DESC(testpat,
"Replace image with vertical bar testpattern (only partially working)");
-MODULE_PARM(dumppix, "i");
+module_param(dumppix, int, 0);
MODULE_PARM_DESC(dumppix, "Dump raw pixel data");
-MODULE_PARM(led, "i");
+module_param(led, int, 0);
MODULE_PARM_DESC(led,
"LED policy (OV511+ or later). 0=off, 1=on (default), 2=auto (on when open)");
-MODULE_PARM(dump_bridge, "i");
+module_param(dump_bridge, int, 0);
MODULE_PARM_DESC(dump_bridge, "Dump the bridge registers");
-MODULE_PARM(dump_sensor, "i");
+module_param(dump_sensor, int, 0);
MODULE_PARM_DESC(dump_sensor, "Dump the sensor registers");
-MODULE_PARM(printph, "i");
+module_param(printph, int, 0);
MODULE_PARM_DESC(printph, "Print frame start/end headers");
-MODULE_PARM(phy, "i");
+module_param(phy, int, 0);
MODULE_PARM_DESC(phy, "Prediction range (horiz. Y)");
-MODULE_PARM(phuv, "i");
+module_param(phuv, int, 0);
MODULE_PARM_DESC(phuv, "Prediction range (horiz. UV)");
-MODULE_PARM(pvy, "i");
+module_param(pvy, int, 0);
MODULE_PARM_DESC(pvy, "Prediction range (vert. Y)");
-MODULE_PARM(pvuv, "i");
+module_param(pvuv, int, 0);
MODULE_PARM_DESC(pvuv, "Prediction range (vert. UV)");
-MODULE_PARM(qhy, "i");
+module_param(qhy, int, 0);
MODULE_PARM_DESC(qhy, "Quantization threshold (horiz. Y)");
-MODULE_PARM(qhuv, "i");
+module_param(qhuv, int, 0);
MODULE_PARM_DESC(qhuv, "Quantization threshold (horiz. UV)");
-MODULE_PARM(qvy, "i");
+module_param(qvy, int, 0);
MODULE_PARM_DESC(qvy, "Quantization threshold (vert. Y)");
-MODULE_PARM(qvuv, "i");
+module_param(qvuv, int, 0);
MODULE_PARM_DESC(qvuv, "Quantization threshold (vert. UV)");
-MODULE_PARM(lightfreq, "i");
+module_param(lightfreq, int, 0);
MODULE_PARM_DESC(lightfreq,
"Light frequency. Set to 50 or 60 Hz, or zero for default settings");
-MODULE_PARM(bandingfilter, "i");
+module_param(bandingfilter, int, 0);
MODULE_PARM_DESC(bandingfilter,
"Enable banding filter (to reduce effects of fluorescent lighting)");
-MODULE_PARM(clockdiv, "i");
+module_param(clockdiv, int, 0);
MODULE_PARM_DESC(clockdiv, "Force pixel clock divisor to a specific value");
-MODULE_PARM(packetsize, "i");
+module_param(packetsize, int, 0);
MODULE_PARM_DESC(packetsize, "Force a specific isoc packet size");
-MODULE_PARM(framedrop, "i");
+module_param(framedrop, int, 0);
MODULE_PARM_DESC(framedrop, "Force a specific frame drop register setting");
-MODULE_PARM(fastset, "i");
+module_param(fastset, int, 0);
MODULE_PARM_DESC(fastset, "Allows picture settings to take effect immediately");
-MODULE_PARM(force_palette, "i");
+module_param(force_palette, int, 0);
MODULE_PARM_DESC(force_palette, "Force the palette to a specific value");
-MODULE_PARM(backlight, "i");
+module_param(backlight, int, 0);
MODULE_PARM_DESC(backlight, "For objects that are lit from behind");
-MODULE_PARM(unit_video, "1-" __MODULE_STRING(OV511_MAX_UNIT_VIDEO) "i");
+static int num_uv;
+module_param_array(unit_video, int, &num_uv, 0);
MODULE_PARM_DESC(unit_video,
"Force use of specific minor number(s). 0 is not allowed.");
-MODULE_PARM(remove_zeros, "i");
+module_param(remove_zeros, int, 0);
MODULE_PARM_DESC(remove_zeros,
"Remove zero-padding from uncompressed incoming data");
-MODULE_PARM(mirror, "i");
+module_param(mirror, int, 0);
MODULE_PARM_DESC(mirror, "Reverse image horizontally");
-MODULE_PARM(ov518_color, "i");
+module_param(ov518_color, int, 0);
MODULE_PARM_DESC(ov518_color, "Enable OV518 color (experimental)");
MODULE_AUTHOR(DRIVER_AUTHOR);
static struct usb_driver ov511_driver;
-static struct ov51x_decomp_ops *ov511_decomp_ops;
-static struct ov51x_decomp_ops *ov511_mmx_decomp_ops;
-static struct ov51x_decomp_ops *ov518_decomp_ops;
-static struct ov51x_decomp_ops *ov518_mmx_decomp_ops;
-
/* Number of times to retry a failed I2C transaction. Increase this if you
* are getting "Failed to read sensor ID..." */
-static int i2c_detect_tries = 5;
-
-/* MMX support is present in kernel and CPU. Checked upon decomp module load. */
-#if defined(__i386__) || defined(__x86_64__)
-#define ov51x_mmx_available (cpu_has_mmx)
-#else
-#define ov51x_mmx_available (0)
-#endif
+static const int i2c_detect_tries = 5;
static struct usb_device_id device_table [] = {
{ USB_DEVICE(VEND_OMNIVISION, PROD_OV511) },
/**********************************************************************
* Memory management
**********************************************************************/
-
-/* Here we want the physical address of the memory.
- * This is used when initializing the contents of the area.
- */
-static inline unsigned long
-kvirt_to_pa(unsigned long adr)
-{
- unsigned long kva, ret;
-
- kva = (unsigned long) page_address(vmalloc_to_page((void *)adr));
- kva |= adr & (PAGE_SIZE-1); /* restore the offset */
- ret = __pa(kva);
- return ret;
-}
-
static void *
rvmalloc(unsigned long size)
{
usb_sndctrlpipe(ov->dev, 0),
(ov->bclass == BCL_OV518)?1:2 /* REG_IO */,
USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- 0, (__u16)reg, &ov->cbuf[0], 1, HZ);
+ 0, (__u16)reg, &ov->cbuf[0], 1, 1000);
up(&ov->cbuf_lock);
if (rc < 0)
usb_rcvctrlpipe(ov->dev, 0),
(ov->bclass == BCL_OV518)?1:3 /* REG_IO */,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- 0, (__u16)reg, &ov->cbuf[0], 1, HZ);
+ 0, (__u16)reg, &ov->cbuf[0], 1, 1000);
if (rc < 0) {
err("reg read: error %d: %s", rc, symbolic(urb_errlist, rc));
down(&ov->cbuf_lock);
- *((u32 *)ov->cbuf) = __cpu_to_le32(val);
+ *((__le32 *)ov->cbuf) = __cpu_to_le32(val);
rc = usb_control_msg(ov->dev,
usb_sndctrlpipe(ov->dev, 0),
1 /* REG_IO */,
USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- 0, (__u16)reg, ov->cbuf, n, HZ);
+ 0, (__u16)reg, ov->cbuf, n, 1000);
up(&ov->cbuf_lock);
if (rc < 0)
return -EIO;
/* Wait for it to initialize */
- schedule_timeout(1 + 150 * HZ / 1000);
+ msleep(150);
for (i = 0, success = 0; i < i2c_detect_tries && !success; i++) {
if ((i2c_r(ov, OV7610_REG_ID_HIGH) == 0x7F) &&
if (i2c_w(ov, 0x12, 0x80) < 0)
return -EIO;
/* Wait for it to initialize */
- schedule_timeout(1 + 150 * HZ / 1000);
+ msleep(150);
/* Dummy read to sync I2C */
if (i2c_r(ov, 0x00) < 0)
return -EIO;
case SEN_KS0127:
case SEN_KS0127B:
case SEN_SAA7111A:
- val = 0;
+ val = NULL;
PDEBUG(3, "Unsupported with this sensor");
return -EPERM;
default:
*
**********************************************************************/
-/* Chooses a decompression module, locks it, and sets ov->decomp_ops
- * accordingly. Returns -ENXIO if decompressor is not available, otherwise
- * returns 0 if no other error.
- */
static int
request_decompressor(struct usb_ov511 *ov)
{
- if (!ov)
- return -ENODEV;
-
- if (ov->decomp_ops) {
- err("ERROR: Decompressor already requested!");
- return -EINVAL;
- }
-
- lock_kernel();
-
- /* Try to get MMX, and fall back on no-MMX if necessary */
- if (ov->bclass == BCL_OV511) {
- if (ov511_mmx_decomp_ops) {
- PDEBUG(3, "Using OV511 MMX decompressor");
- ov->decomp_ops = ov511_mmx_decomp_ops;
- } else if (ov511_decomp_ops) {
- PDEBUG(3, "Using OV511 decompressor");
- ov->decomp_ops = ov511_decomp_ops;
- } else {
- err("No decompressor available");
- }
- } else if (ov->bclass == BCL_OV518) {
- if (ov518_mmx_decomp_ops) {
- PDEBUG(3, "Using OV518 MMX decompressor");
- ov->decomp_ops = ov518_mmx_decomp_ops;
- } else if (ov518_decomp_ops) {
- PDEBUG(3, "Using OV518 decompressor");
- ov->decomp_ops = ov518_decomp_ops;
- } else {
- err("No decompressor available");
- }
+ if (ov->bclass == BCL_OV511 || ov->bclass == BCL_OV518) {
+ err("No decompressor available");
} else {
err("Unknown bridge");
}
- if (!ov->decomp_ops)
- goto nosys;
-
- if (!ov->decomp_ops->owner) {
- ov->decomp_ops = NULL;
- goto nosys;
- }
-
- if (!try_module_get(ov->decomp_ops->owner))
- goto nosys;
-
- unlock_kernel();
- return 0;
-
- nosys:
- unlock_kernel();
return -ENOSYS;
}
-/* Unlocks decompression module and nulls ov->decomp_ops. Safe to call even
- * if ov->decomp_ops is NULL.
- */
-static void
-release_decompressor(struct usb_ov511 *ov)
-{
- int released = 0; /* Did we actually do anything? */
-
- if (!ov)
- return;
-
- lock_kernel();
-
- if (ov->decomp_ops) {
- module_put(ov->decomp_ops->owner);
- released = 1;
- }
-
- ov->decomp_ops = NULL;
-
- unlock_kernel();
-
- if (released)
- PDEBUG(3, "Decompressor released");
-}
-
static void
decompress(struct usb_ov511 *ov, struct ov511_frame *frame,
unsigned char *pIn0, unsigned char *pOut0)
if (request_decompressor(ov))
return;
- PDEBUG(4, "Decompressing %d bytes", frame->bytes_recvd);
-
- if (frame->format == VIDEO_PALETTE_GREY
- && ov->decomp_ops->decomp_400) {
- int ret = ov->decomp_ops->decomp_400(
- pIn0,
- pOut0,
- frame->compbuf,
- frame->rawwidth,
- frame->rawheight,
- frame->bytes_recvd);
- PDEBUG(4, "DEBUG: decomp_400 returned %d", ret);
- } else if (frame->format != VIDEO_PALETTE_GREY
- && ov->decomp_ops->decomp_420) {
- int ret = ov->decomp_ops->decomp_420(
- pIn0,
- pOut0,
- frame->compbuf,
- frame->rawwidth,
- frame->rawheight,
- frame->bytes_recvd);
- PDEBUG(4, "DEBUG: decomp_420 returned %d", ret);
- } else {
- err("Decompressor does not support this format");
- }
}
/**********************************************************************
/* Unschedule all of the iso td's */
for (n = OV511_NUMSBUF - 1; n >= 0; n--) {
if (ov->sbuf[n].urb) {
- usb_unlink_urb(ov->sbuf[n].urb);
+ usb_kill_urb(ov->sbuf[n].urb);
usb_free_urb(ov->sbuf[n].urb);
ov->sbuf[n].urb = NULL;
}
ov->fbuf = NULL;
}
- if (ov->rawfbuf) {
- vfree(ov->rawfbuf);
- ov->rawfbuf = NULL;
- }
+ vfree(ov->rawfbuf);
+ ov->rawfbuf = NULL;
- if (ov->tempfbuf) {
- vfree(ov->tempfbuf);
- ov->tempfbuf = NULL;
- }
+ vfree(ov->tempfbuf);
+ ov->tempfbuf = NULL;
for (i = 0; i < OV511_NUMSBUF; i++) {
- if (ov->sbuf[i].data) {
- kfree(ov->sbuf[i].data);
- ov->sbuf[i].data = NULL;
- }
+ kfree(ov->sbuf[i].data);
+ ov->sbuf[i].data = NULL;
}
for (i = 0; i < OV511_NUMFRAMES; i++) {
ov->user--;
ov51x_stop_isoc(ov);
- release_decompressor(ov);
-
if (ov->led_policy == LED_AUTO)
ov51x_led_control(ov, 0);
}
static ssize_t
-ov51x_v4l1_read(struct file *file, char *buf, size_t cnt, loff_t *ppos)
+ov51x_v4l1_read(struct file *file, char __user *buf, size_t cnt, loff_t *ppos)
{
struct video_device *vdev = file->private_data;
int noblock = file->f_flags&O_NONBLOCK;
pos = (unsigned long)ov->fbuf;
while (size > 0) {
- page = kvirt_to_pa(pos);
- if (remap_page_range(vma, start, page, PAGE_SIZE,
- PAGE_SHARED)) {
+ page = vmalloc_to_pfn((void *)pos);
+ if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) {
up(&ov->lock);
return -EAGAIN;
}
.read = ov51x_v4l1_read,
.mmap = ov51x_v4l1_mmap,
.ioctl = ov51x_v4l1_ioctl,
+ .compat_ioctl = v4l_compat_ioctl32,
.llseek = no_llseek,
};
return -1;
/* Wait for it to initialize */
- schedule_timeout(1 + 150 * HZ / 1000);
+ msleep(150);
i = 0;
success = 0;
{ OV511_I2C_BUS, 0x2a, 0x04 }, /* Disable framerate adjust */
// { OV511_I2C_BUS, 0x2b, 0xac }, /* Framerate; Set 2a[7] first */
{ OV511_I2C_BUS, 0x2d, 0x99 },
- { OV511_I2C_BUS, 0x33, 0xa0 }, /* Color Procesing Parameter */
+ { OV511_I2C_BUS, 0x33, 0xa0 }, /* Color Processing Parameter */
{ OV511_I2C_BUS, 0x34, 0xd2 }, /* Max A/D range */
{ OV511_I2C_BUS, 0x38, 0x8b },
{ OV511_I2C_BUS, 0x39, 0x40 },
if (ov->bridge == BRG_OV518)
{
- struct usb_interface *ifp = ov->dev->config[0].interface[0];
- __u16 mxps = ifp->altsetting[7].endpoint[0].desc.wMaxPacketSize;
+ struct usb_interface *ifp;
+ struct usb_host_interface *alt;
+ __u16 mxps = 0;
+
+ ifp = usb_ifnum_to_if(ov->dev, 0);
+ if (ifp) {
+ alt = usb_altnum_to_altsetting(ifp, 7);
+ if (alt)
+ mxps = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
+ }
/* Some OV518s have packet numbering by default, some don't */
if (mxps == 897)
if (dev->descriptor.bNumConfigurations != 1)
return -ENODEV;
- idesc = &intf->altsetting[0].desc;
+ idesc = &intf->cur_altsetting->desc;
if (idesc->bInterfaceClass != 0xFF)
return -ENODEV;
ov->auto_gain = autogain;
ov->auto_exp = autoexp;
- switch (dev->descriptor.idProduct) {
+ switch (le16_to_cpu(dev->descriptor.idProduct)) {
case PROD_OV511:
ov->bridge = BRG_OV511;
ov->bclass = BCL_OV511;
ov->bclass = BCL_OV518;
break;
case PROD_ME2CAM:
- if (dev->descriptor.idVendor != VEND_MATTEL)
+ if (le16_to_cpu(dev->descriptor.idVendor) != VEND_MATTEL)
goto error;
ov->bridge = BRG_OV511PLUS;
ov->bclass = BCL_OV511;
break;
default:
- err("Unknown product ID 0x%04x", dev->descriptor.idProduct);
+ err("Unknown product ID 0x%04x", le16_to_cpu(dev->descriptor.idProduct));
goto error;
}
up(&ov->cbuf_lock);
}
- if (ov) {
- kfree(ov);
- ov = NULL;
- }
+ kfree(ov);
+ ov = NULL;
error_out:
err("Camera initialization failed");
}
static struct usb_driver ov511_driver = {
- .owner = THIS_MODULE,
.name = "ov511",
.id_table = device_table,
.probe = ov51x_probe,
*
***************************************************************************/
-/* Returns 0 for success */
-int
-ov511_register_decomp_module(int ver, struct ov51x_decomp_ops *ops, int ov518,
- int mmx)
-{
- if (ver != DECOMP_INTERFACE_VER) {
- err("Decompression module has incompatible");
- err("interface version %d", ver);
- err("Interface version %d is required", DECOMP_INTERFACE_VER);
- return -EINVAL;
- }
-
- if (!ops)
- return -EFAULT;
-
- if (mmx && !ov51x_mmx_available) {
- err("MMX not available on this system or kernel");
- return -EINVAL;
- }
-
- lock_kernel();
-
- if (ov518) {
- if (mmx) {
- if (ov518_mmx_decomp_ops)
- goto err_in_use;
- else
- ov518_mmx_decomp_ops = ops;
- } else {
- if (ov518_decomp_ops)
- goto err_in_use;
- else
- ov518_decomp_ops = ops;
- }
- } else {
- if (mmx) {
- if (ov511_mmx_decomp_ops)
- goto err_in_use;
- else
- ov511_mmx_decomp_ops = ops;
- } else {
- if (ov511_decomp_ops)
- goto err_in_use;
- else
- ov511_decomp_ops = ops;
- }
- }
-
- unlock_kernel();
- return 0;
-
-err_in_use:
- unlock_kernel();
- return -EBUSY;
-}
-
-void
-ov511_deregister_decomp_module(int ov518, int mmx)
-{
- lock_kernel();
-
- if (ov518) {
- if (mmx)
- ov518_mmx_decomp_ops = NULL;
- else
- ov518_decomp_ops = NULL;
- } else {
- if (mmx)
- ov511_mmx_decomp_ops = NULL;
- else
- ov511_decomp_ops = NULL;
- }
-
- unlock_kernel();
-}
-
static int __init
usb_ov511_init(void)
{
module_init(usb_ov511_init);
module_exit(usb_ov511_exit);
-EXPORT_SYMBOL(ov511_register_decomp_module);
-EXPORT_SYMBOL(ov511_deregister_decomp_module);