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V4L/DVB (5064): ET61X251 driver updates.
- Implement audio ioctl's and VIDIOC_ENUM_FRAMESIZES - Documentation updates - Generic improvements Signed-off-by: Luca Risolia <luca.risolia@studio.unibo.it> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Luca Risolia
Mauro Carvalho Chehab
parent
7e3a066070
commit
2656312724
5 changed files with 92 additions and 55 deletions
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@ -23,7 +23,7 @@ Index
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1. Copyright
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============
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Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it>
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Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it>
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2. Disclaimer
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@ -135,8 +135,9 @@ And finally:
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6. Module loading
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=================
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To use the driver, it is necessary to load the "et61x251" module into memory
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after every other module required: "videodev", "usbcore" and, depending on
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the USB host controller you have, "ehci-hcd", "uhci-hcd" or "ohci-hcd".
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after every other module required: "videodev", "v4l2_common", "compat_ioctl32",
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"usbcore" and, depending on the USB host controller you have, "ehci-hcd",
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"uhci-hcd" or "ohci-hcd".
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Loading can be done as shown below:
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@ -171,10 +171,7 @@ struct et61x251_device {
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struct et61x251_device*
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et61x251_match_id(struct et61x251_device* cam, const struct usb_device_id *id)
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{
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if (usb_match_id(usb_ifnum_to_if(cam->usbdev, 0), id))
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return cam;
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return NULL;
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return usb_match_id(usb_ifnum_to_if(cam->usbdev, 0), id) ? cam : NULL;
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}
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@ -1,7 +1,7 @@
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/***************************************************************************
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* V4L2 driver for ET61X[12]51 PC Camera Controllers *
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* *
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* Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it> *
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* Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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@ -48,8 +48,8 @@
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#define ET61X251_MODULE_AUTHOR "(C) 2006 Luca Risolia"
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#define ET61X251_AUTHOR_EMAIL "<luca.risolia@studio.unibo.it>"
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#define ET61X251_MODULE_LICENSE "GPL"
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#define ET61X251_MODULE_VERSION "1:1.02"
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#define ET61X251_MODULE_VERSION_CODE KERNEL_VERSION(1, 0, 2)
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#define ET61X251_MODULE_VERSION "1:1.04"
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#define ET61X251_MODULE_VERSION_CODE KERNEL_VERSION(1, 1, 4)
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/*****************************************************************************/
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@ -85,7 +85,7 @@ MODULE_PARM_DESC(force_munmap,
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"\ndetected camera."
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"\n 0 = do not force memory unmapping"
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"\n 1 = force memory unmapping (save memory)"
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"\nDefault value is "__MODULE_STRING(SN9C102_FORCE_MUNMAP)"."
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"\nDefault value is "__MODULE_STRING(ET61X251_FORCE_MUNMAP)"."
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"\n");
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static unsigned int frame_timeout[] = {[0 ... ET61X251_MAX_DEVICES-1] =
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@ -133,7 +133,8 @@ et61x251_request_buffers(struct et61x251_device* cam, u32 count,
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cam->nbuffers = count;
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while (cam->nbuffers > 0) {
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if ((buff = vmalloc_32(cam->nbuffers * PAGE_ALIGN(imagesize))))
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if ((buff = vmalloc_32_user(cam->nbuffers *
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PAGE_ALIGN(imagesize))))
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break;
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cam->nbuffers--;
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}
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@ -543,10 +544,11 @@ static int et61x251_start_transfer(struct et61x251_device* cam)
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{
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struct usb_device *udev = cam->usbdev;
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struct urb* urb;
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const unsigned int wMaxPacketSize[] = {0, 256, 384, 512, 640, 768, 832,
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864, 896, 920, 956, 980, 1000,
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1022};
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const unsigned int psz = wMaxPacketSize[ET61X251_ALTERNATE_SETTING];
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struct usb_host_interface* altsetting = usb_altnum_to_altsetting(
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usb_ifnum_to_if(udev, 0),
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ET61X251_ALTERNATE_SETTING);
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const unsigned int psz = le16_to_cpu(altsetting->
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endpoint[0].desc.wMaxPacketSize);
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s8 i, j;
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int err = 0;
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@ -976,29 +978,31 @@ static CLASS_DEVICE_ATTR(i2c_val, S_IRUGO | S_IWUSR,
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static int et61x251_create_sysfs(struct et61x251_device* cam)
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{
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struct video_device *v4ldev = cam->v4ldev;
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int rc;
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int err = 0;
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if ((err = video_device_create_file(v4ldev, &class_device_attr_reg)))
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goto err_out;
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if ((err = video_device_create_file(v4ldev, &class_device_attr_val)))
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goto err_reg;
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rc = video_device_create_file(v4ldev, &class_device_attr_reg);
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if (rc) goto err;
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rc = video_device_create_file(v4ldev, &class_device_attr_val);
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if (rc) goto err_reg;
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if (cam->sensor.sysfs_ops) {
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rc = video_device_create_file(v4ldev, &class_device_attr_i2c_reg);
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if (rc) goto err_val;
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rc = video_device_create_file(v4ldev, &class_device_attr_i2c_val);
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if (rc) goto err_i2c_reg;
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if ((err = video_device_create_file(v4ldev,
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&class_device_attr_i2c_reg)))
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goto err_val;
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if ((err = video_device_create_file(v4ldev,
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&class_device_attr_i2c_val)))
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goto err_i2c_reg;
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}
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return 0;
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err_i2c_reg:
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if (cam->sensor.sysfs_ops)
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video_device_remove_file(v4ldev, &class_device_attr_i2c_reg);
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err_val:
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video_device_remove_file(v4ldev, &class_device_attr_val);
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err_reg:
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video_device_remove_file(v4ldev, &class_device_attr_reg);
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err:
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return rc;
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err_out:
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return err;
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}
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#endif /* CONFIG_VIDEO_ADV_DEBUG */
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@ -1767,10 +1771,10 @@ et61x251_vidioc_s_crop(struct et61x251_device* cam, void __user * arg)
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rect->left = (s->_rect.left & 1L) ? rect->left | 1L : rect->left & ~1L;
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rect->top = (s->_rect.top & 1L) ? rect->top | 1L : rect->top & ~1L;
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if (rect->width < 4)
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rect->width = 4;
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if (rect->height < 4)
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rect->height = 4;
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if (rect->width < 16)
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rect->width = 16;
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if (rect->height < 16)
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rect->height = 16;
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if (rect->width > bounds->width)
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rect->width = bounds->width;
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if (rect->height > bounds->height)
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@ -1784,8 +1788,8 @@ et61x251_vidioc_s_crop(struct et61x251_device* cam, void __user * arg)
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if (rect->top + rect->height > bounds->top + bounds->height)
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rect->top = bounds->top+bounds->height - rect->height;
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rect->width &= ~3L;
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rect->height &= ~3L;
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rect->width &= ~15L;
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rect->height &= ~15L;
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if (ET61X251_PRESERVE_IMGSCALE) {
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/* Calculate the actual scaling factor */
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@ -1845,6 +1849,35 @@ et61x251_vidioc_s_crop(struct et61x251_device* cam, void __user * arg)
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}
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static int
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et61x251_vidioc_enum_framesizes(struct et61x251_device* cam, void __user * arg)
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{
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struct v4l2_frmsizeenum frmsize;
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if (copy_from_user(&frmsize, arg, sizeof(frmsize)))
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return -EFAULT;
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if (frmsize.index != 0)
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return -EINVAL;
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if (frmsize.pixel_format != V4L2_PIX_FMT_ET61X251 &&
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frmsize.pixel_format != V4L2_PIX_FMT_SBGGR8)
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return -EINVAL;
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frmsize.type = V4L2_FRMSIZE_TYPE_STEPWISE;
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frmsize.stepwise.min_width = frmsize.stepwise.step_width = 16;
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frmsize.stepwise.min_height = frmsize.stepwise.step_height = 16;
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frmsize.stepwise.max_width = cam->sensor.cropcap.bounds.width;
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frmsize.stepwise.max_height = cam->sensor.cropcap.bounds.height;
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memset(&frmsize.reserved, 0, sizeof(frmsize.reserved));
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if (copy_to_user(arg, &frmsize, sizeof(frmsize)))
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return -EFAULT;
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return 0;
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}
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static int
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et61x251_vidioc_enum_fmt(struct et61x251_device* cam, void __user * arg)
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{
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@ -1853,6 +1886,9 @@ et61x251_vidioc_enum_fmt(struct et61x251_device* cam, void __user * arg)
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if (copy_from_user(&fmtd, arg, sizeof(fmtd)))
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return -EFAULT;
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if (fmtd.type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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if (fmtd.index == 0) {
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strcpy(fmtd.description, "bayer rgb");
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fmtd.pixelformat = V4L2_PIX_FMT_SBGGR8;
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@ -1934,17 +1970,17 @@ et61x251_vidioc_try_s_fmt(struct et61x251_device* cam, unsigned int cmd,
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rect.width = scale * pix->width;
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rect.height = scale * pix->height;
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if (rect.width < 4)
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rect.width = 4;
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if (rect.height < 4)
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rect.height = 4;
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if (rect.width < 16)
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rect.width = 16;
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if (rect.height < 16)
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rect.height = 16;
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if (rect.width > bounds->left + bounds->width - rect.left)
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rect.width = bounds->left + bounds->width - rect.left;
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if (rect.height > bounds->top + bounds->height - rect.top)
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rect.height = bounds->top + bounds->height - rect.top;
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rect.width &= ~3L;
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rect.height &= ~3L;
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rect.width &= ~15L;
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rect.height &= ~15L;
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{ /* adjust the scaling factor */
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u32 a, b;
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@ -2378,6 +2414,9 @@ static int et61x251_ioctl_v4l2(struct inode* inode, struct file* filp,
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case VIDIOC_S_FMT:
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return et61x251_vidioc_try_s_fmt(cam, cmd, arg);
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case VIDIOC_ENUM_FRAMESIZES:
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return et61x251_vidioc_enum_framesizes(cam, arg);
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case VIDIOC_G_JPEGCOMP:
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return et61x251_vidioc_g_jpegcomp(cam, arg);
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@ -2413,6 +2452,7 @@ static int et61x251_ioctl_v4l2(struct inode* inode, struct file* filp,
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case VIDIOC_QUERYSTD:
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case VIDIOC_ENUMSTD:
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case VIDIOC_QUERYMENU:
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case VIDIOC_ENUM_FRAMEINTERVALS:
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return -EINVAL;
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default:
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@ -2459,6 +2499,7 @@ static const struct file_operations et61x251_fops = {
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.open = et61x251_open,
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.release = et61x251_release,
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.ioctl = et61x251_ioctl,
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.compat_ioctl = v4l_compat_ioctl32,
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.read = et61x251_read,
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.poll = et61x251_poll,
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.mmap = et61x251_mmap,
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@ -2497,7 +2538,7 @@ et61x251_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
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mutex_init(&cam->dev_mutex);
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DBG(2, "ET61X[12]51 PC Camera Controller detected "
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"(vid/pid 0x%04X/0x%04X)",id->idVendor, id->idProduct);
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"(vid/pid 0x%04X:0x%04X)",id->idVendor, id->idProduct);
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for (i = 0; et61x251_sensor_table[i]; i++) {
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err = et61x251_sensor_table[i](cam);
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@ -2550,9 +2591,14 @@ et61x251_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
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#ifdef CONFIG_VIDEO_ADV_DEBUG
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err = et61x251_create_sysfs(cam);
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if (err)
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goto fail2;
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DBG(2, "Optional device control through 'sysfs' interface ready");
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if (!err)
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DBG(2, "Optional device control through 'sysfs' "
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"interface ready");
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else
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DBG(2, "Failed to create 'sysfs' interface for optional "
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"device controlling. Error #%d", err);
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#else
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DBG(2, "Optional device control through 'sysfs' interface disabled");
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#endif
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usb_set_intfdata(intf, cam);
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@ -2561,13 +2607,6 @@ et61x251_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
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return 0;
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#ifdef CONFIG_VIDEO_ADV_DEBUG
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fail2:
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video_nr[dev_nr] = -1;
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dev_nr = (dev_nr < ET61X251_MAX_DEVICES-1) ? dev_nr+1 : 0;
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mutex_unlock(&cam->dev_mutex);
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video_unregister_device(cam->v4ldev);
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#endif
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fail:
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if (cam) {
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kfree(cam->control_buffer);
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@ -1,7 +1,7 @@
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/***************************************************************************
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* API for image sensors connected to ET61X[12]51 PC Camera Controllers *
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* *
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* Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it> *
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* Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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@ -82,7 +82,7 @@ enum et61x251_i2c_rsta {
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ET61X251_I2C_RSTA_REPEAT = 0x01, /* repeat start */
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};
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#define ET61X251_MAX_CTRLS V4L2_CID_LASTP1-V4L2_CID_BASE+10
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#define ET61X251_MAX_CTRLS (V4L2_CID_LASTP1-V4L2_CID_BASE+10)
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struct et61x251_sensor {
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char name[32];
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@ -2,7 +2,7 @@
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* Plug-in for TAS5130D1B image sensor connected to the ET61X[12]51 *
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* PC Camera Controllers *
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* *
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* Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it> *
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* Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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