V4L/DVB (5063): ZC0301 driver updates.

- Implement audio ioctl's and VIDIOC_ENUM_FRAMESIZES
- Documentation updates
- Generic improvements
Signed-off-by: NLuca Risolia <luca.risolia@studio.unibo.it>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

Documentation/video4linux/zc0301.txt

@@ -23,7 +23,7 @@ Index
 
 1. Copyright
 ============
-Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it>
+Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it>
 
 
 2. Disclaimer
@@ -125,8 +125,9 @@ And finally:
 6. Module loading
 =================
 To use the driver, it is necessary to load the "zc0301" module into memory
-after every other module required: "videodev", "usbcore" and, depending on
-the USB host controller you have, "ehci-hcd", "uhci-hcd" or "ohci-hcd".
+after every other module required: "videodev", "v4l2_common", "compat_ioctl32",
+"usbcore" and, depending on the USB host controller you have, "ehci-hcd",
+"uhci-hcd" or "ohci-hcd".
 
 Loading can be done as shown below:
 
@@ -211,12 +212,11 @@ Vendor ID  Product ID
 0x041e     0x4036
 0x041e     0x403a
 0x0458     0x7007
-0x0458     0x700C
+0x0458     0x700c
 0x0458     0x700f
 0x046d     0x08ae
 0x055f     0xd003
 0x055f     0xd004
-0x046d     0x08ae
 0x0ac8     0x0301
 0x0ac8     0x301b
 0x0ac8     0x303b

drivers/media/video/zc0301/zc0301.h

 /***************************************************************************
- * V4L2 driver for ZC0301 Image Processor and Control Chip                 *
+ * V4L2 driver for ZC0301[P] Image Processor and Control Chip              *
  *                                                                         *
- * Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it>       *
+ * Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it>  *
  *                                                                         *
  * 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    *

drivers/media/video/zc0301/zc0301_core.c

 /***************************************************************************
  * Video4Linux2 driver for ZC0301[P] Image Processor and Control Chip      *
  *                                                                         *
- * Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it>       *
+ * Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it>  *
  *                                                                         *
  * Informations about the chip internals needed to enable the I2C protocol *
  * have been taken from the documentation of the ZC030x Video4Linux1       *
@@ -52,8 +52,8 @@
 #define ZC0301_MODULE_AUTHOR  "(C) 2006 Luca Risolia"
 #define ZC0301_AUTHOR_EMAIL   "<luca.risolia@studio.unibo.it>"
 #define ZC0301_MODULE_LICENSE "GPL"
-#define ZC0301_MODULE_VERSION "1:1.05"
-#define ZC0301_MODULE_VERSION_CODE  KERNEL_VERSION(1, 0, 5)
+#define ZC0301_MODULE_VERSION "1:1.07"
+#define ZC0301_MODULE_VERSION_CODE  KERNEL_VERSION(1, 1, 7)
 
 /*****************************************************************************/
 
@@ -89,7 +89,7 @@ MODULE_PARM_DESC(force_munmap,
 		 "\ndetected camera."
 		 "\n 0 = do not force memory unmapping"
 		 "\n 1 = force memory unmapping (save memory)"
-		 "\nDefault value is "__MODULE_STRING(SN9C102_FORCE_MUNMAP)"."
+		 "\nDefault value is "__MODULE_STRING(ZC0301_FORCE_MUNMAP)"."
 		 "\n");
 
 static unsigned int frame_timeout[] = {[0 ... ZC0301_MAX_DEVICES-1] =
@@ -136,7 +136,8 @@ zc0301_request_buffers(struct zc0301_device* cam, u32 count,
 
 	cam->nbuffers = count;
 	while (cam->nbuffers > 0) {
-		if ((buff = vmalloc_32(cam->nbuffers * PAGE_ALIGN(imagesize))))
+		if ((buff = vmalloc_32_user(cam->nbuffers *
+					    PAGE_ALIGN(imagesize))))
 			break;
 		cam->nbuffers--;
 	}
@@ -430,7 +431,8 @@ static int zc0301_start_transfer(struct zc0301_device* cam)
 	struct usb_host_interface* altsetting = usb_altnum_to_altsetting(
 						     usb_ifnum_to_if(udev, 0),
 						     ZC0301_ALTERNATE_SETTING);
-	const unsigned int psz = altsetting->endpoint[0].desc.wMaxPacketSize;
+	const unsigned int psz = le16_to_cpu(altsetting->
+					     endpoint[0].desc.wMaxPacketSize);
 	struct urb* urb;
 	s8 i, j;
 	int err = 0;
@@ -489,7 +491,7 @@ static int zc0301_start_transfer(struct zc0301_device* cam)
 	return 0;
 
 free_urbs:
-	for (i = 0; i < ZC0301_URBS; i++)
+	for (i = 0; (i < ZC0301_URBS) && cam->urb[i]; i++)
 		usb_free_urb(cam->urb[i]);
 
 free_buffers:
@@ -1287,6 +1289,35 @@ zc0301_vidioc_s_crop(struct zc0301_device* cam, void __user * arg)
 }
 
 
+static int
+zc0301_vidioc_enum_framesizes(struct zc0301_device* cam, void __user * arg)
+{
+	struct v4l2_frmsizeenum frmsize;
+
+	if (copy_from_user(&frmsize, arg, sizeof(frmsize)))
+		return -EFAULT;
+
+	if (frmsize.index != 0 && frmsize.index != 1)
+		return -EINVAL;
+
+	if (frmsize.pixel_format != V4L2_PIX_FMT_JPEG)
+		return -EINVAL;
+
+	frmsize.type = V4L2_FRMSIZE_TYPE_DISCRETE;
+
+	if (frmsize.index == 1) {
+		frmsize.discrete.width = cam->sensor.cropcap.defrect.width;
+		frmsize.discrete.height = cam->sensor.cropcap.defrect.height;
+	}
+	memset(&frmsize.reserved, 0, sizeof(frmsize.reserved));
+
+	if (copy_to_user(arg, &frmsize, sizeof(frmsize)))
+		return -EFAULT;
+
+	return 0;
+}
+
+
 static int
 zc0301_vidioc_enum_fmt(struct zc0301_device* cam, void __user * arg)
 {
@@ -1295,6 +1326,9 @@ zc0301_vidioc_enum_fmt(struct zc0301_device* cam, void __user * arg)
 	if (copy_from_user(&fmtd, arg, sizeof(fmtd)))
 		return -EFAULT;
 
+	if (fmtd.type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+
 	if (fmtd.index == 0) {
 		strcpy(fmtd.description, "JPEG");
 		fmtd.pixelformat = V4L2_PIX_FMT_JPEG;
@@ -1795,6 +1829,9 @@ static int zc0301_ioctl_v4l2(struct inode* inode, struct file* filp,
 	case VIDIOC_S_FMT:
 		return zc0301_vidioc_try_s_fmt(cam, cmd, arg);
 
+	case VIDIOC_ENUM_FRAMESIZES:
+		return zc0301_vidioc_enum_framesizes(cam, arg);
+
 	case VIDIOC_G_JPEGCOMP:
 		return zc0301_vidioc_g_jpegcomp(cam, arg);
 
@@ -1830,6 +1867,7 @@ static int zc0301_ioctl_v4l2(struct inode* inode, struct file* filp,
 	case VIDIOC_QUERYSTD:
 	case VIDIOC_ENUMSTD:
 	case VIDIOC_QUERYMENU:
+	case VIDIOC_ENUM_FRAMEINTERVALS:
 		return -EINVAL;
 
 	default:
@@ -1876,6 +1914,7 @@ static const struct file_operations zc0301_fops = {
 	.open =    zc0301_open,
 	.release = zc0301_release,
 	.ioctl =   zc0301_ioctl,
+	.compat_ioctl = v4l_compat_ioctl32,
 	.read =    zc0301_read,
 	.poll =    zc0301_poll,
 	.mmap =    zc0301_mmap,
@@ -1913,7 +1952,7 @@ zc0301_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
 	mutex_init(&cam->dev_mutex);
 
 	DBG(2, "ZC0301[P] Image Processor and Control Chip detected "
-	       "(vid/pid 0x%04X/0x%04X)",id->idVendor, id->idProduct);
+	       "(vid/pid 0x%04X:0x%04X)",id->idVendor, id->idProduct);
 
 	for  (i = 0; zc0301_sensor_table[i]; i++) {
 		err = zc0301_sensor_table[i](cam);

drivers/media/video/zc0301/zc0301_pas202bcb.c

 /***************************************************************************
- * Plug-in for PAS202BCB image sensor connected to the ZC0301[P] Image     *
+ * Plug-in for PAS202BCB image sensor connected to the ZC0301 Image        *
  * Processor and Control Chip                                              *
  *                                                                         *
- * Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it>       *
+ * Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it>  *
  *                                                                         *
  * Initialization values of the ZC0301[P] have been taken from the SPCA5XX *
  * driver maintained by Michel Xhaard <mxhaard@magic.fr>                   *

drivers/media/video/zc0301/zc0301_pb0330.c

 /***************************************************************************
- * Plug-in for PB-0330 image sensor connected to the ZC0301[P] Image       *
+ * Plug-in for PB-0330 image sensor connected to the ZC0301P Image         *
  * Processor and Control Chip                                              *
  *                                                                         *
- * Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it>       *
+ * Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it>  *
  *                                                                         *
  * Initialization values of the ZC0301[P] have been taken from the SPCA5XX *
  * driver maintained by Michel Xhaard <mxhaard@magic.fr>                   *

drivers/media/video/zc0301/zc0301_sensor.h

 /***************************************************************************
- * API for image sensors connected to the ZC0301 Image Processor and       *
+ * API for image sensors connected to the ZC0301[P] Image Processor and    *
  * Control Chip                                                            *
  *                                                                         *
- * Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it>       *
+ * Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it>  *
  *                                                                         *
  * 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    *
@@ -70,7 +70,7 @@ static const struct usb_device_id zc0301_id_table[] =  {                      \
 	{ ZC0301_USB_DEVICE(0x041e, 0x4036, 0xff), }, /* HV7131 */            \
 	{ ZC0301_USB_DEVICE(0x041e, 0x403a, 0xff), }, /* HV7131 */            \
 	{ ZC0301_USB_DEVICE(0x0458, 0x7007, 0xff), }, /* TAS5130 */           \
-	{ ZC0301_USB_DEVICE(0x0458, 0x700C, 0xff), }, /* TAS5130 */           \
+	{ ZC0301_USB_DEVICE(0x0458, 0x700c, 0xff), }, /* TAS5130 */           \
 	{ ZC0301_USB_DEVICE(0x0458, 0x700f, 0xff), }, /* TAS5130 */           \
 	{ ZC0301_USB_DEVICE(0x046d, 0x08ae, 0xff), }, /* PAS202 */            \
 	{ ZC0301_USB_DEVICE(0x055f, 0xd003, 0xff), }, /* TAS5130 */           \
@@ -93,9 +93,9 @@ extern int zc0301_i2c_read(struct zc0301_device*, u16 address, u8 length);
 
 /*****************************************************************************/
 
-#define ZC0301_MAX_CTRLS V4L2_CID_LASTP1-V4L2_CID_BASE+10
-#define ZC0301_V4L2_CID_DAC_MAGNITUDE V4L2_CID_PRIVATE_BASE
-#define ZC0301_V4L2_CID_GREEN_BALANCE V4L2_CID_PRIVATE_BASE + 1
+#define ZC0301_MAX_CTRLS (V4L2_CID_LASTP1 - V4L2_CID_BASE + 10)
+#define ZC0301_V4L2_CID_DAC_MAGNITUDE (V4L2_CID_PRIVATE_BASE + 0)
+#define ZC0301_V4L2_CID_GREEN_BALANCE (V4L2_CID_PRIVATE_BASE + 1)
 
 struct zc0301_sensor {
 	char name[32];