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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/media/usb/usbvision
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/usb/usbvision')
-rw-r--r--drivers/media/usb/usbvision/Kconfig12
-rw-r--r--drivers/media/usb/usbvision/Makefile5
-rw-r--r--drivers/media/usb/usbvision/usbvision-cards.c1129
-rw-r--r--drivers/media/usb/usbvision/usbvision-cards.h70
-rw-r--r--drivers/media/usb/usbvision/usbvision-core.c2438
-rw-r--r--drivers/media/usb/usbvision/usbvision-i2c.c447
-rw-r--r--drivers/media/usb/usbvision/usbvision-video.c1662
-rw-r--r--drivers/media/usb/usbvision/usbvision.h512
8 files changed, 6275 insertions, 0 deletions
diff --git a/drivers/media/usb/usbvision/Kconfig b/drivers/media/usb/usbvision/Kconfig
new file mode 100644
index 000000000..6b6afc5d8
--- /dev/null
+++ b/drivers/media/usb/usbvision/Kconfig
@@ -0,0 +1,12 @@
+config VIDEO_USBVISION
+ tristate "USB video devices based on Nogatech NT1003/1004/1005"
+ depends on I2C && VIDEO_V4L2
+ select VIDEO_TUNER
+ select VIDEO_SAA711X if MEDIA_SUBDRV_AUTOSELECT
+ ---help---
+ There are more than 50 different USB video devices based on
+ NT1003/1004/1005 USB Bridges. This driver enables using those
+ devices.
+
+ To compile this driver as a module, choose M here: the
+ module will be called usbvision.
diff --git a/drivers/media/usb/usbvision/Makefile b/drivers/media/usb/usbvision/Makefile
new file mode 100644
index 000000000..494d030b4
--- /dev/null
+++ b/drivers/media/usb/usbvision/Makefile
@@ -0,0 +1,5 @@
+usbvision-objs := usbvision-core.o usbvision-video.o usbvision-i2c.o usbvision-cards.o
+
+obj-$(CONFIG_VIDEO_USBVISION) += usbvision.o
+
+ccflags-y += -Idrivers/media/tuners
diff --git a/drivers/media/usb/usbvision/usbvision-cards.c b/drivers/media/usb/usbvision/usbvision-cards.c
new file mode 100644
index 000000000..fc2418b9f
--- /dev/null
+++ b/drivers/media/usb/usbvision/usbvision-cards.c
@@ -0,0 +1,1129 @@
+/*
+ * usbvision-cards.c
+ * usbvision cards definition file
+ *
+ * Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de>
+ *
+ * This module is part of usbvision driver project.
+ * Updates to driver completed by Dwaine P. Garden
+ *
+ * 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
+ * (at your option) 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.
+ */
+
+
+#include <linux/list.h>
+#include <linux/module.h>
+#include <media/v4l2-dev.h>
+#include <media/tuner.h>
+#include "usbvision.h"
+#include "usbvision-cards.h"
+
+/* Supported Devices: A table for usbvision.c*/
+struct usbvision_device_data_st usbvision_device_data[] = {
+ [XANBOO] = {
+ .interface = -1,
+ .codec = CODEC_SAA7113,
+ .video_channels = 4,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = -1,
+ .y_offset = -1,
+ .model_string = "Xanboo",
+ },
+ [BELKIN_VIDEOBUS_II] = {
+ .interface = -1,
+ .codec = CODEC_SAA7113,
+ .video_channels = 2,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Belkin USB VideoBus II Adapter",
+ },
+ [BELKIN_VIDEOBUS] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 2,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = -1,
+ .y_offset = -1,
+ .model_string = "Belkin Components USB VideoBus",
+ },
+ [BELKIN_USB_VIDEOBUS_II] = {
+ .interface = -1,
+ .codec = CODEC_SAA7113,
+ .video_channels = 2,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Belkin USB VideoBus II",
+ },
+ [ECHOFX_INTERVIEW_LITE] = {
+ .interface = 0,
+ .codec = CODEC_SAA7111,
+ .video_channels = 2,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 0,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = -1,
+ .y_offset = -1,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "echoFX InterView Lite",
+ },
+ [USBGEAR_USBG_V1] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 2,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = -1,
+ .y_offset = -1,
+ .model_string = "USBGear USBG-V1 resp. HAMA USB",
+ },
+ [D_LINK_V100] = {
+ .interface = -1,
+ .codec = CODEC_SAA7113,
+ .video_channels = 4,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 0,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "D-Link V100",
+ },
+ [X10_USB_CAMERA] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 2,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = -1,
+ .y_offset = -1,
+ .model_string = "X10 USB Camera",
+ },
+ [HPG_WINTV_LIVE_PAL_BG] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 2,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = -1,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Live (PAL B/G)",
+ },
+ [HPG_WINTV_LIVE_PRO_NTSC_MN] = {
+ .interface = -1,
+ .codec = CODEC_SAA7113,
+ .video_channels = 2,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 0,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Live Pro (NTSC M/N)",
+ },
+ [ZORAN_PMD_NOGATECH] = {
+ .interface = -1,
+ .codec = CODEC_SAA7113,
+ .video_channels = 2,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 2,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Zoran Co. PMD (Nogatech) AV-grabber Manhattan",
+ },
+ [NOGATECH_USB_TV_NTSC_FM] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_NTSC_M,
+ .x_offset = -1,
+ .y_offset = 20,
+ .model_string = "Nogatech USB-TV (NTSC) FM",
+ },
+ [PNY_USB_TV_NTSC_FM] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_NTSC_M,
+ .x_offset = -1,
+ .y_offset = 20,
+ .model_string = "PNY USB-TV (NTSC) FM",
+ },
+ [PV_PLAYTV_USB_PRO_PAL_FM] = {
+ .interface = 0,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_PAL,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "PixelView PlayTv-USB PRO (PAL) FM",
+ },
+ [ZT_721] = {
+ .interface = 0,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_PAL,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "ZTV ZT-721 2.4GHz USB A/V Receiver",
+ },
+ [HPG_WINTV_NTSC_MN] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_NTSC_M,
+ .x_offset = -1,
+ .y_offset = 20,
+ .model_string = "Hauppauge WinTV USB (NTSC M/N)",
+ },
+ [HPG_WINTV_PAL_BG] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_PAL,
+ .x_offset = -1,
+ .y_offset = -1,
+ .model_string = "Hauppauge WinTV USB (PAL B/G)",
+ },
+ [HPG_WINTV_PAL_I] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_PAL,
+ .x_offset = -1,
+ .y_offset = -1,
+ .model_string = "Hauppauge WinTV USB (PAL I)",
+ },
+ [HPG_WINTV_PAL_SECAM_L] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_SECAM,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_SECAM,
+ .x_offset = 0x80,
+ .y_offset = 0x16,
+ .model_string = "Hauppauge WinTV USB (PAL/SECAM L)",
+ },
+ [HPG_WINTV_PAL_D_K] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_PAL,
+ .x_offset = -1,
+ .y_offset = -1,
+ .model_string = "Hauppauge WinTV USB (PAL D/K)",
+ },
+ [HPG_WINTV_NTSC_FM] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_NTSC_M,
+ .x_offset = -1,
+ .y_offset = -1,
+ .model_string = "Hauppauge WinTV USB (NTSC FM)",
+ },
+ [HPG_WINTV_PAL_BG_FM] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_PAL,
+ .x_offset = -1,
+ .y_offset = -1,
+ .model_string = "Hauppauge WinTV USB (PAL B/G FM)",
+ },
+ [HPG_WINTV_PAL_I_FM] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_PAL,
+ .x_offset = -1,
+ .y_offset = -1,
+ .model_string = "Hauppauge WinTV USB (PAL I FM)",
+ },
+ [HPG_WINTV_PAL_D_K_FM] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_PAL,
+ .x_offset = -1,
+ .y_offset = -1,
+ .model_string = "Hauppauge WinTV USB (PAL D/K FM)",
+ },
+ [HPG_WINTV_PRO_NTSC_MN] = {
+ .interface = 0,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_MICROTUNE_4049FM5,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Pro (NTSC M/N)",
+ },
+ [HPG_WINTV_PRO_NTSC_MN_V2] = {
+ .interface = 0,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_MICROTUNE_4049FM5,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Pro (NTSC M/N) V2",
+ },
+ [HPG_WINTV_PRO_PAL] = {
+ .interface = 0,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_FM1216ME_MK3,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Pro (PAL/SECAM B/G/I/D/K/L)",
+ },
+ [HPG_WINTV_PRO_NTSC_MN_V3] = {
+ .interface = 0,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_NTSC_M,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Pro (NTSC M/N) V3",
+ },
+ [HPG_WINTV_PRO_PAL_BG] = {
+ .interface = 0,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_PAL,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Pro (PAL B/G)",
+ },
+ [HPG_WINTV_PRO_PAL_I] = {
+ .interface = 0,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_PAL,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Pro (PAL I)",
+ },
+ [HPG_WINTV_PRO_PAL_SECAM_L] = {
+ .interface = -1,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_SECAM,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_SECAM,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Pro (PAL/SECAM L)",
+ },
+ [HPG_WINTV_PRO_PAL_D_K] = {
+ .interface = -1,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_PAL,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Pro (PAL D/K)",
+ },
+ [HPG_WINTV_PRO_PAL_SECAM] = {
+ .interface = -1,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_SECAM,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_SECAM,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Pro (PAL/SECAM BGDK/I/L)",
+ },
+ [HPG_WINTV_PRO_PAL_SECAM_V2] = {
+ .interface = -1,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_SECAM,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_SECAM,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Pro (PAL/SECAM BGDK/I/L) V2",
+ },
+ [HPG_WINTV_PRO_PAL_BG_V2] = {
+ .interface = -1,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_ALPS_TSBE1_PAL,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Pro (PAL B/G) V2",
+ },
+ [HPG_WINTV_PRO_PAL_BG_D_K] = {
+ .interface = -1,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_ALPS_TSBE1_PAL,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Pro (PAL B/G,D/K)",
+ },
+ [HPG_WINTV_PRO_PAL_I_D_K] = {
+ .interface = -1,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_LG_PAL_NEW_TAPC,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Pro (PAL I,D/K)",
+ },
+ [HPG_WINTV_PRO_NTSC_MN_FM] = {
+ .interface = -1,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_NTSC_M,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Pro (NTSC M/N FM)",
+ },
+ [HPG_WINTV_PRO_PAL_BG_FM] = {
+ .interface = 0,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_PAL,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Pro (PAL B/G FM)",
+ },
+ [HPG_WINTV_PRO_PAL_I_FM] = {
+ .interface = 0,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_PAL,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Pro (PAL I FM)",
+ },
+ [HPG_WINTV_PRO_PAL_D_K_FM] = {
+ .interface = 0,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_PAL,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Pro (PAL D/K FM)",
+ },
+ [HPG_WINTV_PRO_TEMIC_PAL_FM] = {
+ .interface = 0,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_MICROTUNE_4049FM5,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Pro (Temic PAL/SECAM B/G/I/D/K/L FM)",
+ },
+ [HPG_WINTV_PRO_TEMIC_PAL_BG_FM] = {
+ .interface = 0,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_MICROTUNE_4049FM5,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Pro (Temic PAL B/G FM)",
+ },
+ [HPG_WINTV_PRO_PAL_FM] = {
+ .interface = 0,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_FM1216ME_MK3,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Pro (PAL/SECAM B/G/I/D/K/L FM)",
+ },
+ [HPG_WINTV_PRO_NTSC_MN_FM_V2] = {
+ .interface = 0,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_NTSC_M,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Hauppauge WinTV USB Pro (NTSC M/N FM) V2",
+ },
+ [CAMTEL_TVB330] = {
+ .interface = -1,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_NTSC_M,
+ .x_offset = 5,
+ .y_offset = 5,
+ .model_string = "Camtel Technology USB TV Genie Pro FM Model TVB330",
+ },
+ [DIGITAL_VIDEO_CREATOR_I] = {
+ .interface = -1,
+ .codec = CODEC_SAA7113,
+ .video_channels = 2,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 0,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Digital Video Creator I",
+ },
+ [GLOBAL_VILLAGE_GV_007_NTSC] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 2,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 0,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = 82,
+ .y_offset = 20,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Global Village GV-007 (NTSC)",
+ },
+ [DAZZLE_DVC_50_REV_1_NTSC] = {
+ .interface = 0,
+ .codec = CODEC_SAA7113,
+ .video_channels = 2,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 0,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Dazzle Fusion Model DVC-50 Rev 1 (NTSC)",
+ },
+ [DAZZLE_DVC_80_REV_1_PAL] = {
+ .interface = 0,
+ .codec = CODEC_SAA7113,
+ .video_channels = 2,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 0,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Dazzle Fusion Model DVC-80 Rev 1 (PAL)",
+ },
+ [DAZZLE_DVC_90_REV_1_SECAM] = {
+ .interface = 0,
+ .codec = CODEC_SAA7113,
+ .video_channels = 2,
+ .video_norm = V4L2_STD_SECAM,
+ .audio_channels = 0,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Dazzle Fusion Model DVC-90 Rev 1 (SECAM)",
+ },
+ [ESKAPE_LABS_MYTV2GO] = {
+ .interface = 0,
+ .codec = CODEC_SAA7113,
+ .video_channels = 2,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_FM1216ME_MK3,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Eskape Labs MyTV2Go",
+ },
+ [PINNA_PCTV_USB_PAL] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 0,
+ .tuner = 1,
+ .tuner_type = TUNER_TEMIC_4066FY5_PAL_I,
+ .x_offset = -1,
+ .y_offset = -1,
+ .model_string = "Pinnacle Studio PCTV USB (PAL)",
+ },
+ [PINNA_PCTV_USB_SECAM] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_SECAM,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_SECAM,
+ .x_offset = -1,
+ .y_offset = -1,
+ .model_string = "Pinnacle Studio PCTV USB (SECAM)",
+ },
+ [PINNA_PCTV_USB_PAL_FM] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_PAL,
+ .x_offset = 128,
+ .y_offset = 23,
+ .model_string = "Pinnacle Studio PCTV USB (PAL) FM",
+ },
+ [MIRO_PCTV_USB] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_PAL,
+ .x_offset = -1,
+ .y_offset = -1,
+ .model_string = "Miro PCTV USB",
+ },
+ [PINNA_PCTV_USB_NTSC_FM] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_NTSC_M,
+ .x_offset = -1,
+ .y_offset = -1,
+ .model_string = "Pinnacle Studio PCTV USB (NTSC) FM",
+ },
+ [PINNA_PCTV_USB_NTSC_FM_V3] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_NTSC_M,
+ .x_offset = -1,
+ .y_offset = -1,
+ .model_string = "Pinnacle Studio PCTV USB (NTSC) FM V3",
+ },
+ [PINNA_PCTV_USB_PAL_FM_V2] = {
+ .interface = -1,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_TEMIC_4009FR5_PAL,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Pinnacle Studio PCTV USB (PAL) FM V2",
+ },
+ [PINNA_PCTV_USB_NTSC_FM_V2] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_TEMIC_4039FR5_NTSC,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Pinnacle Studio PCTV USB (NTSC) FM V2",
+ },
+ [PINNA_PCTV_USB_PAL_FM_V3] = {
+ .interface = -1,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_TEMIC_4009FR5_PAL,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Pinnacle Studio PCTV USB (PAL) FM V3",
+ },
+ [PINNA_LINX_VD_IN_CAB_NTSC] = {
+ .interface = -1,
+ .codec = CODEC_SAA7113,
+ .video_channels = 2,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Pinnacle Studio Linx Video input cable (NTSC)",
+ },
+ [PINNA_LINX_VD_IN_CAB_PAL] = {
+ .interface = -1,
+ .codec = CODEC_SAA7113,
+ .video_channels = 2,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Pinnacle Studio Linx Video input cable (PAL)",
+ },
+ [PINNA_PCTV_BUNGEE_PAL_FM] = {
+ .interface = -1,
+ .codec = CODEC_SAA7113,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 1,
+ .radio = 1,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_TEMIC_4009FR5_PAL,
+ .x_offset = 0,
+ .y_offset = 3,
+ .dvi_yuv_override = 1,
+ .dvi_yuv = 7,
+ .model_string = "Pinnacle PCTV Bungee USB (PAL) FM",
+ },
+ [HPG_WINTV] = {
+ .interface = -1,
+ .codec = CODEC_SAA7111,
+ .video_channels = 3,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 1,
+ .radio = 0,
+ .vbi = 1,
+ .tuner = 1,
+ .tuner_type = TUNER_PHILIPS_NTSC_M,
+ .x_offset = -1,
+ .y_offset = -1,
+ .model_string = "Hauppauge WinTv-USB",
+ },
+ [MICROCAM_NTSC] = {
+ .interface = -1,
+ .codec = CODEC_WEBCAM,
+ .video_channels = 1,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 0,
+ .radio = 0,
+ .vbi = 0,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = 71,
+ .y_offset = 15,
+ .model_string = "Nogatech USB MicroCam NTSC (NV3000N)",
+ },
+ [MICROCAM_PAL] = {
+ .interface = -1,
+ .codec = CODEC_WEBCAM,
+ .video_channels = 1,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 0,
+ .radio = 0,
+ .vbi = 0,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = 71,
+ .y_offset = 18,
+ .model_string = "Nogatech USB MicroCam PAL (NV3001P)",
+ },
+};
+const int usbvision_device_data_size = ARRAY_SIZE(usbvision_device_data);
+
+/* Supported Devices */
+
+struct usb_device_id usbvision_table[] = {
+ { USB_DEVICE(0x0a6f, 0x0400), .driver_info = XANBOO },
+ { USB_DEVICE(0x050d, 0x0106), .driver_info = BELKIN_VIDEOBUS_II },
+ { USB_DEVICE(0x050d, 0x0207), .driver_info = BELKIN_VIDEOBUS },
+ { USB_DEVICE(0x050d, 0x0208), .driver_info = BELKIN_USB_VIDEOBUS_II },
+ { USB_DEVICE(0x0571, 0x0002), .driver_info = ECHOFX_INTERVIEW_LITE },
+ { USB_DEVICE(0x0573, 0x0003), .driver_info = USBGEAR_USBG_V1 },
+ { USB_DEVICE(0x0573, 0x0400), .driver_info = D_LINK_V100 },
+ { USB_DEVICE(0x0573, 0x2000), .driver_info = X10_USB_CAMERA },
+ { USB_DEVICE(0x0573, 0x2d00), .driver_info = HPG_WINTV_LIVE_PAL_BG },
+ { USB_DEVICE(0x0573, 0x2d01), .driver_info = HPG_WINTV_LIVE_PRO_NTSC_MN },
+ { USB_DEVICE(0x0573, 0x2101), .driver_info = ZORAN_PMD_NOGATECH },
+ { USB_DEVICE(0x0573, 0x3000), .driver_info = MICROCAM_NTSC },
+ { USB_DEVICE(0x0573, 0x3001), .driver_info = MICROCAM_PAL },
+ { USB_DEVICE(0x0573, 0x4100), .driver_info = NOGATECH_USB_TV_NTSC_FM },
+ { USB_DEVICE(0x0573, 0x4110), .driver_info = PNY_USB_TV_NTSC_FM },
+ { USB_DEVICE(0x0573, 0x4450), .driver_info = PV_PLAYTV_USB_PRO_PAL_FM },
+ { USB_DEVICE(0x0573, 0x4550), .driver_info = ZT_721 },
+ { USB_DEVICE(0x0573, 0x4d00), .driver_info = HPG_WINTV_NTSC_MN },
+ { USB_DEVICE(0x0573, 0x4d01), .driver_info = HPG_WINTV_PAL_BG },
+ { USB_DEVICE(0x0573, 0x4d02), .driver_info = HPG_WINTV_PAL_I },
+ { USB_DEVICE(0x0573, 0x4d03), .driver_info = HPG_WINTV_PAL_SECAM_L },
+ { USB_DEVICE(0x0573, 0x4d04), .driver_info = HPG_WINTV_PAL_D_K },
+ { USB_DEVICE(0x0573, 0x4d10), .driver_info = HPG_WINTV_NTSC_FM },
+ { USB_DEVICE(0x0573, 0x4d11), .driver_info = HPG_WINTV_PAL_BG_FM },
+ { USB_DEVICE(0x0573, 0x4d12), .driver_info = HPG_WINTV_PAL_I_FM },
+ { USB_DEVICE(0x0573, 0x4d14), .driver_info = HPG_WINTV_PAL_D_K_FM },
+ { USB_DEVICE(0x0573, 0x4d2a), .driver_info = HPG_WINTV_PRO_NTSC_MN },
+ { USB_DEVICE(0x0573, 0x4d2b), .driver_info = HPG_WINTV_PRO_NTSC_MN_V2 },
+ { USB_DEVICE(0x0573, 0x4d2c), .driver_info = HPG_WINTV_PRO_PAL },
+ { USB_DEVICE(0x0573, 0x4d20), .driver_info = HPG_WINTV_PRO_NTSC_MN_V3 },
+ { USB_DEVICE(0x0573, 0x4d21), .driver_info = HPG_WINTV_PRO_PAL_BG },
+ { USB_DEVICE(0x0573, 0x4d22), .driver_info = HPG_WINTV_PRO_PAL_I },
+ { USB_DEVICE(0x0573, 0x4d23), .driver_info = HPG_WINTV_PRO_PAL_SECAM_L },
+ { USB_DEVICE(0x0573, 0x4d24), .driver_info = HPG_WINTV_PRO_PAL_D_K },
+ { USB_DEVICE(0x0573, 0x4d25), .driver_info = HPG_WINTV_PRO_PAL_SECAM },
+ { USB_DEVICE(0x0573, 0x4d26), .driver_info = HPG_WINTV_PRO_PAL_SECAM_V2 },
+ { USB_DEVICE(0x0573, 0x4d27), .driver_info = HPG_WINTV_PRO_PAL_BG_V2 },
+ { USB_DEVICE(0x0573, 0x4d28), .driver_info = HPG_WINTV_PRO_PAL_BG_D_K },
+ { USB_DEVICE(0x0573, 0x4d29), .driver_info = HPG_WINTV_PRO_PAL_I_D_K },
+ { USB_DEVICE(0x0573, 0x4d30), .driver_info = HPG_WINTV_PRO_NTSC_MN_FM },
+ { USB_DEVICE(0x0573, 0x4d31), .driver_info = HPG_WINTV_PRO_PAL_BG_FM },
+ { USB_DEVICE(0x0573, 0x4d32), .driver_info = HPG_WINTV_PRO_PAL_I_FM },
+ { USB_DEVICE(0x0573, 0x4d34), .driver_info = HPG_WINTV_PRO_PAL_D_K_FM },
+ { USB_DEVICE(0x0573, 0x4d35), .driver_info = HPG_WINTV_PRO_TEMIC_PAL_FM },
+ { USB_DEVICE(0x0573, 0x4d36), .driver_info = HPG_WINTV_PRO_TEMIC_PAL_BG_FM },
+ { USB_DEVICE(0x0573, 0x4d37), .driver_info = HPG_WINTV_PRO_PAL_FM },
+ { USB_DEVICE(0x0573, 0x4d38), .driver_info = HPG_WINTV_PRO_NTSC_MN_FM_V2 },
+ { USB_DEVICE(0x0768, 0x0006), .driver_info = CAMTEL_TVB330 },
+ { USB_DEVICE(0x07d0, 0x0001), .driver_info = DIGITAL_VIDEO_CREATOR_I },
+ { USB_DEVICE(0x07d0, 0x0002), .driver_info = GLOBAL_VILLAGE_GV_007_NTSC },
+ { USB_DEVICE(0x07d0, 0x0003), .driver_info = DAZZLE_DVC_50_REV_1_NTSC },
+ { USB_DEVICE(0x07d0, 0x0004), .driver_info = DAZZLE_DVC_80_REV_1_PAL },
+ { USB_DEVICE(0x07d0, 0x0005), .driver_info = DAZZLE_DVC_90_REV_1_SECAM },
+ { USB_DEVICE(0x07f8, 0x9104), .driver_info = ESKAPE_LABS_MYTV2GO },
+ { USB_DEVICE(0x2304, 0x010d), .driver_info = PINNA_PCTV_USB_PAL },
+ { USB_DEVICE(0x2304, 0x0109), .driver_info = PINNA_PCTV_USB_SECAM },
+ { USB_DEVICE(0x2304, 0x0110), .driver_info = PINNA_PCTV_USB_PAL_FM },
+ { USB_DEVICE(0x2304, 0x0111), .driver_info = MIRO_PCTV_USB },
+ { USB_DEVICE(0x2304, 0x0112), .driver_info = PINNA_PCTV_USB_NTSC_FM },
+ { USB_DEVICE(0x2304, 0x0113), .driver_info = PINNA_PCTV_USB_NTSC_FM_V3 },
+ { USB_DEVICE(0x2304, 0x0210), .driver_info = PINNA_PCTV_USB_PAL_FM_V2 },
+ { USB_DEVICE(0x2304, 0x0212), .driver_info = PINNA_PCTV_USB_NTSC_FM_V2 },
+ { USB_DEVICE(0x2304, 0x0214), .driver_info = PINNA_PCTV_USB_PAL_FM_V3 },
+ { USB_DEVICE(0x2304, 0x0300), .driver_info = PINNA_LINX_VD_IN_CAB_NTSC },
+ { USB_DEVICE(0x2304, 0x0301), .driver_info = PINNA_LINX_VD_IN_CAB_PAL },
+ { USB_DEVICE(0x2304, 0x0419), .driver_info = PINNA_PCTV_BUNGEE_PAL_FM },
+ { USB_DEVICE(0x2400, 0x4200), .driver_info = HPG_WINTV },
+ { }, /* terminate list */
+};
+
+MODULE_DEVICE_TABLE(usb, usbvision_table);
diff --git a/drivers/media/usb/usbvision/usbvision-cards.h b/drivers/media/usb/usbvision/usbvision-cards.h
new file mode 100644
index 000000000..07ec83512
--- /dev/null
+++ b/drivers/media/usb/usbvision/usbvision-cards.h
@@ -0,0 +1,70 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#define XANBOO 0
+#define BELKIN_VIDEOBUS_II 1
+#define BELKIN_VIDEOBUS 2
+#define BELKIN_USB_VIDEOBUS_II 3
+#define ECHOFX_INTERVIEW_LITE 4
+#define USBGEAR_USBG_V1 5
+#define D_LINK_V100 6
+#define X10_USB_CAMERA 7
+#define HPG_WINTV_LIVE_PAL_BG 8
+#define HPG_WINTV_LIVE_PRO_NTSC_MN 9
+#define ZORAN_PMD_NOGATECH 10
+#define NOGATECH_USB_TV_NTSC_FM 11
+#define PNY_USB_TV_NTSC_FM 12
+#define PV_PLAYTV_USB_PRO_PAL_FM 13
+#define ZT_721 14
+#define HPG_WINTV_NTSC_MN 15
+#define HPG_WINTV_PAL_BG 16
+#define HPG_WINTV_PAL_I 17
+#define HPG_WINTV_PAL_SECAM_L 18
+#define HPG_WINTV_PAL_D_K 19
+#define HPG_WINTV_NTSC_FM 20
+#define HPG_WINTV_PAL_BG_FM 21
+#define HPG_WINTV_PAL_I_FM 22
+#define HPG_WINTV_PAL_D_K_FM 23
+#define HPG_WINTV_PRO_NTSC_MN 24
+#define HPG_WINTV_PRO_NTSC_MN_V2 25
+#define HPG_WINTV_PRO_PAL 26
+#define HPG_WINTV_PRO_NTSC_MN_V3 27
+#define HPG_WINTV_PRO_PAL_BG 28
+#define HPG_WINTV_PRO_PAL_I 29
+#define HPG_WINTV_PRO_PAL_SECAM_L 30
+#define HPG_WINTV_PRO_PAL_D_K 31
+#define HPG_WINTV_PRO_PAL_SECAM 32
+#define HPG_WINTV_PRO_PAL_SECAM_V2 33
+#define HPG_WINTV_PRO_PAL_BG_V2 34
+#define HPG_WINTV_PRO_PAL_BG_D_K 35
+#define HPG_WINTV_PRO_PAL_I_D_K 36
+#define HPG_WINTV_PRO_NTSC_MN_FM 37
+#define HPG_WINTV_PRO_PAL_BG_FM 38
+#define HPG_WINTV_PRO_PAL_I_FM 39
+#define HPG_WINTV_PRO_PAL_D_K_FM 40
+#define HPG_WINTV_PRO_TEMIC_PAL_FM 41
+#define HPG_WINTV_PRO_TEMIC_PAL_BG_FM 42
+#define HPG_WINTV_PRO_PAL_FM 43
+#define HPG_WINTV_PRO_NTSC_MN_FM_V2 44
+#define CAMTEL_TVB330 45
+#define DIGITAL_VIDEO_CREATOR_I 46
+#define GLOBAL_VILLAGE_GV_007_NTSC 47
+#define DAZZLE_DVC_50_REV_1_NTSC 48
+#define DAZZLE_DVC_80_REV_1_PAL 49
+#define DAZZLE_DVC_90_REV_1_SECAM 50
+#define ESKAPE_LABS_MYTV2GO 51
+#define PINNA_PCTV_USB_PAL 52
+#define PINNA_PCTV_USB_SECAM 53
+#define PINNA_PCTV_USB_PAL_FM 54
+#define MIRO_PCTV_USB 55
+#define PINNA_PCTV_USB_NTSC_FM 56
+#define PINNA_PCTV_USB_PAL_FM_V2 57
+#define PINNA_PCTV_USB_NTSC_FM_V2 58
+#define PINNA_PCTV_USB_PAL_FM_V3 59
+#define PINNA_LINX_VD_IN_CAB_NTSC 60
+#define PINNA_LINX_VD_IN_CAB_PAL 61
+#define PINNA_PCTV_BUNGEE_PAL_FM 62
+#define HPG_WINTV 63
+#define PINNA_PCTV_USB_NTSC_FM_V3 64
+#define MICROCAM_NTSC 65
+#define MICROCAM_PAL 66
+
+extern const int usbvision_device_data_size;
diff --git a/drivers/media/usb/usbvision/usbvision-core.c b/drivers/media/usb/usbvision/usbvision-core.c
new file mode 100644
index 000000000..7138c2b60
--- /dev/null
+++ b/drivers/media/usb/usbvision/usbvision-core.c
@@ -0,0 +1,2438 @@
+/*
+ * usbvision-core.c - driver for NT100x USB video capture devices
+ *
+ *
+ * Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de>
+ * Dwaine Garden <dwainegarden@rogers.com>
+ *
+ * This module is part of usbvision driver project.
+ * Updates to driver completed by Dwaine P. Garden
+ *
+ * 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
+ * (at your option) 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/gfp.h>
+#include <linux/mm.h>
+#include <linux/highmem.h>
+#include <linux/vmalloc.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/videodev2.h>
+#include <linux/i2c.h>
+
+#include <media/i2c/saa7115.h>
+#include <media/v4l2-common.h>
+#include <media/tuner.h>
+
+#include <linux/workqueue.h>
+
+#include "usbvision.h"
+
+static unsigned int core_debug;
+module_param(core_debug, int, 0644);
+MODULE_PARM_DESC(core_debug, "enable debug messages [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)");
+
+/* To help people with Black and White output with using s-video input.
+ * Some cables and input device are wired differently. */
+static int switch_svideo_input;
+module_param(switch_svideo_input, int, 0444);
+MODULE_PARM_DESC(switch_svideo_input, " Set the S-Video input. Some cables and input device are wired differently. Default: 0 (Off)");
+
+static unsigned int adjust_x_offset = -1;
+module_param(adjust_x_offset, int, 0644);
+MODULE_PARM_DESC(adjust_x_offset, "adjust X offset display [core]");
+
+static unsigned int adjust_y_offset = -1;
+module_param(adjust_y_offset, int, 0644);
+MODULE_PARM_DESC(adjust_y_offset, "adjust Y offset display [core]");
+
+
+#define ENABLE_HEXDUMP 0 /* Enable if you need it */
+
+
+#ifdef USBVISION_DEBUG
+ #define PDEBUG(level, fmt, args...) { \
+ if (core_debug & (level)) \
+ printk(KERN_INFO KBUILD_MODNAME ":[%s:%d] " fmt, \
+ __func__, __LINE__ , ## args); \
+ }
+#else
+ #define PDEBUG(level, fmt, args...) do {} while (0)
+#endif
+
+#define DBG_HEADER (1 << 0)
+#define DBG_IRQ (1 << 1)
+#define DBG_ISOC (1 << 2)
+#define DBG_PARSE (1 << 3)
+#define DBG_SCRATCH (1 << 4)
+#define DBG_FUNC (1 << 5)
+
+/* The value of 'scratch_buf_size' affects quality of the picture
+ * in many ways. Shorter buffers may cause loss of data when client
+ * is too slow. Larger buffers are memory-consuming and take longer
+ * to work with. This setting can be adjusted, but the default value
+ * should be OK for most desktop users.
+ */
+#define DEFAULT_SCRATCH_BUF_SIZE (0x20000) /* 128kB memory scratch buffer */
+static const int scratch_buf_size = DEFAULT_SCRATCH_BUF_SIZE;
+
+/* Function prototypes */
+static int usbvision_request_intra(struct usb_usbvision *usbvision);
+static int usbvision_unrequest_intra(struct usb_usbvision *usbvision);
+static int usbvision_adjust_compression(struct usb_usbvision *usbvision);
+static int usbvision_measure_bandwidth(struct usb_usbvision *usbvision);
+
+/*******************************/
+/* Memory management functions */
+/*******************************/
+
+/*
+ * Here we want the physical address of the memory.
+ * This is used when initializing the contents of the area.
+ */
+
+static void *usbvision_rvmalloc(unsigned long size)
+{
+ void *mem;
+ unsigned long adr;
+
+ size = PAGE_ALIGN(size);
+ mem = vmalloc_32(size);
+ if (!mem)
+ return NULL;
+
+ memset(mem, 0, size); /* Clear the ram out, no junk to the user */
+ adr = (unsigned long) mem;
+ while (size > 0) {
+ SetPageReserved(vmalloc_to_page((void *)adr));
+ adr += PAGE_SIZE;
+ size -= PAGE_SIZE;
+ }
+
+ return mem;
+}
+
+static void usbvision_rvfree(void *mem, unsigned long size)
+{
+ unsigned long adr;
+
+ if (!mem)
+ return;
+
+ size = PAGE_ALIGN(size);
+
+ adr = (unsigned long) mem;
+ while ((long) size > 0) {
+ ClearPageReserved(vmalloc_to_page((void *)adr));
+ adr += PAGE_SIZE;
+ size -= PAGE_SIZE;
+ }
+
+ vfree(mem);
+}
+
+
+#if ENABLE_HEXDUMP
+static void usbvision_hexdump(const unsigned char *data, int len)
+{
+ char tmp[80];
+ int i, k;
+
+ for (i = k = 0; len > 0; i++, len--) {
+ if (i > 0 && (i % 16 == 0)) {
+ printk("%s\n", tmp);
+ k = 0;
+ }
+ k += sprintf(&tmp[k], "%02x ", data[i]);
+ }
+ if (k > 0)
+ printk(KERN_CONT "%s\n", tmp);
+}
+#endif
+
+/********************************
+ * scratch ring buffer handling
+ ********************************/
+static int scratch_len(struct usb_usbvision *usbvision) /* This returns the amount of data actually in the buffer */
+{
+ int len = usbvision->scratch_write_ptr - usbvision->scratch_read_ptr;
+
+ if (len < 0)
+ len += scratch_buf_size;
+ PDEBUG(DBG_SCRATCH, "scratch_len() = %d\n", len);
+
+ return len;
+}
+
+
+/* This returns the free space left in the buffer */
+static int scratch_free(struct usb_usbvision *usbvision)
+{
+ int free = usbvision->scratch_read_ptr - usbvision->scratch_write_ptr;
+ if (free <= 0)
+ free += scratch_buf_size;
+ if (free) {
+ free -= 1; /* at least one byte in the buffer must */
+ /* left blank, otherwise there is no chance to differ between full and empty */
+ }
+ PDEBUG(DBG_SCRATCH, "return %d\n", free);
+
+ return free;
+}
+
+
+/* This puts data into the buffer */
+static int scratch_put(struct usb_usbvision *usbvision, unsigned char *data,
+ int len)
+{
+ int len_part;
+
+ if (usbvision->scratch_write_ptr + len < scratch_buf_size) {
+ memcpy(usbvision->scratch + usbvision->scratch_write_ptr, data, len);
+ usbvision->scratch_write_ptr += len;
+ } else {
+ len_part = scratch_buf_size - usbvision->scratch_write_ptr;
+ memcpy(usbvision->scratch + usbvision->scratch_write_ptr, data, len_part);
+ if (len == len_part) {
+ usbvision->scratch_write_ptr = 0; /* just set write_ptr to zero */
+ } else {
+ memcpy(usbvision->scratch, data + len_part, len - len_part);
+ usbvision->scratch_write_ptr = len - len_part;
+ }
+ }
+
+ PDEBUG(DBG_SCRATCH, "len=%d, new write_ptr=%d\n", len, usbvision->scratch_write_ptr);
+
+ return len;
+}
+
+/* This marks the write_ptr as position of new frame header */
+static void scratch_mark_header(struct usb_usbvision *usbvision)
+{
+ PDEBUG(DBG_SCRATCH, "header at write_ptr=%d\n", usbvision->scratch_headermarker_write_ptr);
+
+ usbvision->scratch_headermarker[usbvision->scratch_headermarker_write_ptr] =
+ usbvision->scratch_write_ptr;
+ usbvision->scratch_headermarker_write_ptr += 1;
+ usbvision->scratch_headermarker_write_ptr %= USBVISION_NUM_HEADERMARKER;
+}
+
+/* This gets data from the buffer at the given "ptr" position */
+static int scratch_get_extra(struct usb_usbvision *usbvision,
+ unsigned char *data, int *ptr, int len)
+{
+ int len_part;
+
+ if (*ptr + len < scratch_buf_size) {
+ memcpy(data, usbvision->scratch + *ptr, len);
+ *ptr += len;
+ } else {
+ len_part = scratch_buf_size - *ptr;
+ memcpy(data, usbvision->scratch + *ptr, len_part);
+ if (len == len_part) {
+ *ptr = 0; /* just set the y_ptr to zero */
+ } else {
+ memcpy(data + len_part, usbvision->scratch, len - len_part);
+ *ptr = len - len_part;
+ }
+ }
+
+ PDEBUG(DBG_SCRATCH, "len=%d, new ptr=%d\n", len, *ptr);
+
+ return len;
+}
+
+
+/* This sets the scratch extra read pointer */
+static void scratch_set_extra_ptr(struct usb_usbvision *usbvision, int *ptr,
+ int len)
+{
+ *ptr = (usbvision->scratch_read_ptr + len) % scratch_buf_size;
+
+ PDEBUG(DBG_SCRATCH, "ptr=%d\n", *ptr);
+}
+
+
+/* This increments the scratch extra read pointer */
+static void scratch_inc_extra_ptr(int *ptr, int len)
+{
+ *ptr = (*ptr + len) % scratch_buf_size;
+
+ PDEBUG(DBG_SCRATCH, "ptr=%d\n", *ptr);
+}
+
+
+/* This gets data from the buffer */
+static int scratch_get(struct usb_usbvision *usbvision, unsigned char *data,
+ int len)
+{
+ int len_part;
+
+ if (usbvision->scratch_read_ptr + len < scratch_buf_size) {
+ memcpy(data, usbvision->scratch + usbvision->scratch_read_ptr, len);
+ usbvision->scratch_read_ptr += len;
+ } else {
+ len_part = scratch_buf_size - usbvision->scratch_read_ptr;
+ memcpy(data, usbvision->scratch + usbvision->scratch_read_ptr, len_part);
+ if (len == len_part) {
+ usbvision->scratch_read_ptr = 0; /* just set the read_ptr to zero */
+ } else {
+ memcpy(data + len_part, usbvision->scratch, len - len_part);
+ usbvision->scratch_read_ptr = len - len_part;
+ }
+ }
+
+ PDEBUG(DBG_SCRATCH, "len=%d, new read_ptr=%d\n", len, usbvision->scratch_read_ptr);
+
+ return len;
+}
+
+
+/* This sets read pointer to next header and returns it */
+static int scratch_get_header(struct usb_usbvision *usbvision,
+ struct usbvision_frame_header *header)
+{
+ int err_code = 0;
+
+ PDEBUG(DBG_SCRATCH, "from read_ptr=%d", usbvision->scratch_headermarker_read_ptr);
+
+ while (usbvision->scratch_headermarker_write_ptr -
+ usbvision->scratch_headermarker_read_ptr != 0) {
+ usbvision->scratch_read_ptr =
+ usbvision->scratch_headermarker[usbvision->scratch_headermarker_read_ptr];
+ usbvision->scratch_headermarker_read_ptr += 1;
+ usbvision->scratch_headermarker_read_ptr %= USBVISION_NUM_HEADERMARKER;
+ scratch_get(usbvision, (unsigned char *)header, USBVISION_HEADER_LENGTH);
+ if ((header->magic_1 == USBVISION_MAGIC_1)
+ && (header->magic_2 == USBVISION_MAGIC_2)
+ && (header->header_length == USBVISION_HEADER_LENGTH)) {
+ err_code = USBVISION_HEADER_LENGTH;
+ header->frame_width = header->frame_width_lo + (header->frame_width_hi << 8);
+ header->frame_height = header->frame_height_lo + (header->frame_height_hi << 8);
+ break;
+ }
+ }
+
+ return err_code;
+}
+
+
+/* This removes len bytes of old data from the buffer */
+static void scratch_rm_old(struct usb_usbvision *usbvision, int len)
+{
+ usbvision->scratch_read_ptr += len;
+ usbvision->scratch_read_ptr %= scratch_buf_size;
+ PDEBUG(DBG_SCRATCH, "read_ptr is now %d\n", usbvision->scratch_read_ptr);
+}
+
+
+/* This resets the buffer - kills all data in it too */
+static void scratch_reset(struct usb_usbvision *usbvision)
+{
+ PDEBUG(DBG_SCRATCH, "\n");
+
+ usbvision->scratch_read_ptr = 0;
+ usbvision->scratch_write_ptr = 0;
+ usbvision->scratch_headermarker_read_ptr = 0;
+ usbvision->scratch_headermarker_write_ptr = 0;
+ usbvision->isocstate = isoc_state_no_frame;
+}
+
+int usbvision_scratch_alloc(struct usb_usbvision *usbvision)
+{
+ usbvision->scratch = vmalloc_32(scratch_buf_size);
+ scratch_reset(usbvision);
+ if (usbvision->scratch == NULL) {
+ dev_err(&usbvision->dev->dev,
+ "%s: unable to allocate %d bytes for scratch\n",
+ __func__, scratch_buf_size);
+ return -ENOMEM;
+ }
+ return 0;
+}
+
+void usbvision_scratch_free(struct usb_usbvision *usbvision)
+{
+ vfree(usbvision->scratch);
+ usbvision->scratch = NULL;
+}
+
+/*
+ * usbvision_decompress_alloc()
+ *
+ * allocates intermediate buffer for decompression
+ */
+int usbvision_decompress_alloc(struct usb_usbvision *usbvision)
+{
+ int IFB_size = MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT * 3 / 2;
+
+ usbvision->intra_frame_buffer = vmalloc_32(IFB_size);
+ if (usbvision->intra_frame_buffer == NULL) {
+ dev_err(&usbvision->dev->dev,
+ "%s: unable to allocate %d for compr. frame buffer\n",
+ __func__, IFB_size);
+ return -ENOMEM;
+ }
+ return 0;
+}
+
+/*
+ * usbvision_decompress_free()
+ *
+ * frees intermediate buffer for decompression
+ */
+void usbvision_decompress_free(struct usb_usbvision *usbvision)
+{
+ vfree(usbvision->intra_frame_buffer);
+ usbvision->intra_frame_buffer = NULL;
+
+}
+
+/************************************************************
+ * Here comes the data parsing stuff that is run as interrupt
+ ************************************************************/
+/*
+ * usbvision_find_header()
+ *
+ * Locate one of supported header markers in the scratch buffer.
+ */
+static enum parse_state usbvision_find_header(struct usb_usbvision *usbvision)
+{
+ struct usbvision_frame *frame;
+ int found_header = 0;
+
+ frame = usbvision->cur_frame;
+
+ while (scratch_get_header(usbvision, &frame->isoc_header) == USBVISION_HEADER_LENGTH) {
+ /* found header in scratch */
+ PDEBUG(DBG_HEADER, "found header: 0x%02x%02x %d %d %d %d %#x 0x%02x %u %u",
+ frame->isoc_header.magic_2,
+ frame->isoc_header.magic_1,
+ frame->isoc_header.header_length,
+ frame->isoc_header.frame_num,
+ frame->isoc_header.frame_phase,
+ frame->isoc_header.frame_latency,
+ frame->isoc_header.data_format,
+ frame->isoc_header.format_param,
+ frame->isoc_header.frame_width,
+ frame->isoc_header.frame_height);
+
+ if (usbvision->request_intra) {
+ if (frame->isoc_header.format_param & 0x80) {
+ found_header = 1;
+ usbvision->last_isoc_frame_num = -1; /* do not check for lost frames this time */
+ usbvision_unrequest_intra(usbvision);
+ break;
+ }
+ } else {
+ found_header = 1;
+ break;
+ }
+ }
+
+ if (found_header) {
+ frame->frmwidth = frame->isoc_header.frame_width * usbvision->stretch_width;
+ frame->frmheight = frame->isoc_header.frame_height * usbvision->stretch_height;
+ frame->v4l2_linesize = (frame->frmwidth * frame->v4l2_format.depth) >> 3;
+ } else { /* no header found */
+ PDEBUG(DBG_HEADER, "skipping scratch data, no header");
+ scratch_reset(usbvision);
+ return parse_state_end_parse;
+ }
+
+ /* found header */
+ if (frame->isoc_header.data_format == ISOC_MODE_COMPRESS) {
+ /* check isoc_header.frame_num for lost frames */
+ if (usbvision->last_isoc_frame_num >= 0) {
+ if (((usbvision->last_isoc_frame_num + 1) % 32) != frame->isoc_header.frame_num) {
+ /* unexpected frame drop: need to request new intra frame */
+ PDEBUG(DBG_HEADER, "Lost frame before %d on USB", frame->isoc_header.frame_num);
+ usbvision_request_intra(usbvision);
+ return parse_state_next_frame;
+ }
+ }
+ usbvision->last_isoc_frame_num = frame->isoc_header.frame_num;
+ }
+ usbvision->header_count++;
+ frame->scanstate = scan_state_lines;
+ frame->curline = 0;
+
+ return parse_state_continue;
+}
+
+static enum parse_state usbvision_parse_lines_422(struct usb_usbvision *usbvision,
+ long *pcopylen)
+{
+ volatile struct usbvision_frame *frame;
+ unsigned char *f;
+ int len;
+ int i;
+ unsigned char yuyv[4] = { 180, 128, 10, 128 }; /* YUV components */
+ unsigned char rv, gv, bv; /* RGB components */
+ int clipmask_index, bytes_per_pixel;
+ int stretch_bytes, clipmask_add;
+
+ frame = usbvision->cur_frame;
+ f = frame->data + (frame->v4l2_linesize * frame->curline);
+
+ /* Make sure there's enough data for the entire line */
+ len = (frame->isoc_header.frame_width * 2) + 5;
+ if (scratch_len(usbvision) < len) {
+ PDEBUG(DBG_PARSE, "out of data in line %d, need %u.\n", frame->curline, len);
+ return parse_state_out;
+ }
+
+ if ((frame->curline + 1) >= frame->frmheight)
+ return parse_state_next_frame;
+
+ bytes_per_pixel = frame->v4l2_format.bytes_per_pixel;
+ stretch_bytes = (usbvision->stretch_width - 1) * bytes_per_pixel;
+ clipmask_index = frame->curline * MAX_FRAME_WIDTH;
+ clipmask_add = usbvision->stretch_width;
+
+ for (i = 0; i < frame->frmwidth; i += (2 * usbvision->stretch_width)) {
+ scratch_get(usbvision, &yuyv[0], 4);
+
+ if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
+ *f++ = yuyv[0]; /* Y */
+ *f++ = yuyv[3]; /* U */
+ } else {
+ YUV_TO_RGB_BY_THE_BOOK(yuyv[0], yuyv[1], yuyv[3], rv, gv, bv);
+ switch (frame->v4l2_format.format) {
+ case V4L2_PIX_FMT_RGB565:
+ *f++ = (0x1F & rv) |
+ (0xE0 & (gv << 5));
+ *f++ = (0x07 & (gv >> 3)) |
+ (0xF8 & bv);
+ break;
+ case V4L2_PIX_FMT_RGB24:
+ *f++ = rv;
+ *f++ = gv;
+ *f++ = bv;
+ break;
+ case V4L2_PIX_FMT_RGB32:
+ *f++ = rv;
+ *f++ = gv;
+ *f++ = bv;
+ f++;
+ break;
+ case V4L2_PIX_FMT_RGB555:
+ *f++ = (0x1F & rv) |
+ (0xE0 & (gv << 5));
+ *f++ = (0x03 & (gv >> 3)) |
+ (0x7C & (bv << 2));
+ break;
+ }
+ }
+ clipmask_index += clipmask_add;
+ f += stretch_bytes;
+
+ if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
+ *f++ = yuyv[2]; /* Y */
+ *f++ = yuyv[1]; /* V */
+ } else {
+ YUV_TO_RGB_BY_THE_BOOK(yuyv[2], yuyv[1], yuyv[3], rv, gv, bv);
+ switch (frame->v4l2_format.format) {
+ case V4L2_PIX_FMT_RGB565:
+ *f++ = (0x1F & rv) |
+ (0xE0 & (gv << 5));
+ *f++ = (0x07 & (gv >> 3)) |
+ (0xF8 & bv);
+ break;
+ case V4L2_PIX_FMT_RGB24:
+ *f++ = rv;
+ *f++ = gv;
+ *f++ = bv;
+ break;
+ case V4L2_PIX_FMT_RGB32:
+ *f++ = rv;
+ *f++ = gv;
+ *f++ = bv;
+ f++;
+ break;
+ case V4L2_PIX_FMT_RGB555:
+ *f++ = (0x1F & rv) |
+ (0xE0 & (gv << 5));
+ *f++ = (0x03 & (gv >> 3)) |
+ (0x7C & (bv << 2));
+ break;
+ }
+ }
+ clipmask_index += clipmask_add;
+ f += stretch_bytes;
+ }
+
+ frame->curline += usbvision->stretch_height;
+ *pcopylen += frame->v4l2_linesize * usbvision->stretch_height;
+
+ if (frame->curline >= frame->frmheight)
+ return parse_state_next_frame;
+ return parse_state_continue;
+}
+
+/* The decompression routine */
+static int usbvision_decompress(struct usb_usbvision *usbvision, unsigned char *compressed,
+ unsigned char *decompressed, int *start_pos,
+ int *block_typestart_pos, int len)
+{
+ int rest_pixel, idx, pos, extra_pos, block_len, block_type_pos, block_type_len;
+ unsigned char block_byte, block_code, block_type, block_type_byte, integrator;
+
+ integrator = 0;
+ pos = *start_pos;
+ block_type_pos = *block_typestart_pos;
+ extra_pos = pos;
+ block_len = 0;
+ block_byte = 0;
+ block_code = 0;
+ block_type = 0;
+ block_type_byte = 0;
+ block_type_len = 0;
+ rest_pixel = len;
+
+ for (idx = 0; idx < len; idx++) {
+ if (block_len == 0) {
+ if (block_type_len == 0) {
+ block_type_byte = compressed[block_type_pos];
+ block_type_pos++;
+ block_type_len = 4;
+ }
+ block_type = (block_type_byte & 0xC0) >> 6;
+
+ /* statistic: */
+ usbvision->compr_block_types[block_type]++;
+
+ pos = extra_pos;
+ if (block_type == 0) {
+ if (rest_pixel >= 24) {
+ idx += 23;
+ rest_pixel -= 24;
+ integrator = decompressed[idx];
+ } else {
+ idx += rest_pixel - 1;
+ rest_pixel = 0;
+ }
+ } else {
+ block_code = compressed[pos];
+ pos++;
+ if (rest_pixel >= 24)
+ block_len = 24;
+ else
+ block_len = rest_pixel;
+ rest_pixel -= block_len;
+ extra_pos = pos + (block_len / 4);
+ }
+ block_type_byte <<= 2;
+ block_type_len -= 1;
+ }
+ if (block_len > 0) {
+ if ((block_len % 4) == 0) {
+ block_byte = compressed[pos];
+ pos++;
+ }
+ if (block_type == 1) /* inter Block */
+ integrator = decompressed[idx];
+ switch (block_byte & 0xC0) {
+ case 0x03 << 6:
+ integrator += compressed[extra_pos];
+ extra_pos++;
+ break;
+ case 0x02 << 6:
+ integrator += block_code;
+ break;
+ case 0x00:
+ integrator -= block_code;
+ break;
+ }
+ decompressed[idx] = integrator;
+ block_byte <<= 2;
+ block_len -= 1;
+ }
+ }
+ *start_pos = extra_pos;
+ *block_typestart_pos = block_type_pos;
+ return idx;
+}
+
+
+/*
+ * usbvision_parse_compress()
+ *
+ * Parse compressed frame from the scratch buffer, put
+ * decoded RGB value into the current frame buffer and add the written
+ * number of bytes (RGB) to the *pcopylen.
+ *
+ */
+static enum parse_state usbvision_parse_compress(struct usb_usbvision *usbvision,
+ long *pcopylen)
+{
+#define USBVISION_STRIP_MAGIC 0x5A
+#define USBVISION_STRIP_LEN_MAX 400
+#define USBVISION_STRIP_HEADER_LEN 3
+
+ struct usbvision_frame *frame;
+ unsigned char *f, *u = NULL, *v = NULL;
+ unsigned char strip_data[USBVISION_STRIP_LEN_MAX];
+ unsigned char strip_header[USBVISION_STRIP_HEADER_LEN];
+ int idx, idx_end, strip_len, strip_ptr, startblock_pos, block_pos, block_type_pos;
+ int clipmask_index;
+ int image_size;
+ unsigned char rv, gv, bv;
+ static unsigned char *Y, *U, *V;
+
+ frame = usbvision->cur_frame;
+ image_size = frame->frmwidth * frame->frmheight;
+ if ((frame->v4l2_format.format == V4L2_PIX_FMT_YUV422P) ||
+ (frame->v4l2_format.format == V4L2_PIX_FMT_YVU420)) { /* this is a planar format */
+ /* ... v4l2_linesize not used here. */
+ f = frame->data + (frame->width * frame->curline);
+ } else
+ f = frame->data + (frame->v4l2_linesize * frame->curline);
+
+ if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) { /* initialise u and v pointers */
+ /* get base of u and b planes add halfoffset */
+ u = frame->data
+ + image_size
+ + (frame->frmwidth >> 1) * frame->curline;
+ v = u + (image_size >> 1);
+ } else if (frame->v4l2_format.format == V4L2_PIX_FMT_YVU420) {
+ v = frame->data + image_size + ((frame->curline * (frame->width)) >> 2);
+ u = v + (image_size >> 2);
+ }
+
+ if (frame->curline == 0)
+ usbvision_adjust_compression(usbvision);
+
+ if (scratch_len(usbvision) < USBVISION_STRIP_HEADER_LEN)
+ return parse_state_out;
+
+ /* get strip header without changing the scratch_read_ptr */
+ scratch_set_extra_ptr(usbvision, &strip_ptr, 0);
+ scratch_get_extra(usbvision, &strip_header[0], &strip_ptr,
+ USBVISION_STRIP_HEADER_LEN);
+
+ if (strip_header[0] != USBVISION_STRIP_MAGIC) {
+ /* wrong strip magic */
+ usbvision->strip_magic_errors++;
+ return parse_state_next_frame;
+ }
+
+ if (frame->curline != (int)strip_header[2]) {
+ /* line number mismatch error */
+ usbvision->strip_line_number_errors++;
+ }
+
+ strip_len = 2 * (unsigned int)strip_header[1];
+ if (strip_len > USBVISION_STRIP_LEN_MAX) {
+ /* strip overrun */
+ /* I think this never happens */
+ usbvision_request_intra(usbvision);
+ }
+
+ if (scratch_len(usbvision) < strip_len) {
+ /* there is not enough data for the strip */
+ return parse_state_out;
+ }
+
+ if (usbvision->intra_frame_buffer) {
+ Y = usbvision->intra_frame_buffer + frame->frmwidth * frame->curline;
+ U = usbvision->intra_frame_buffer + image_size + (frame->frmwidth / 2) * (frame->curline / 2);
+ V = usbvision->intra_frame_buffer + image_size / 4 * 5 + (frame->frmwidth / 2) * (frame->curline / 2);
+ } else {
+ return parse_state_next_frame;
+ }
+
+ clipmask_index = frame->curline * MAX_FRAME_WIDTH;
+
+ scratch_get(usbvision, strip_data, strip_len);
+
+ idx_end = frame->frmwidth;
+ block_type_pos = USBVISION_STRIP_HEADER_LEN;
+ startblock_pos = block_type_pos + (idx_end - 1) / 96 + (idx_end / 2 - 1) / 96 + 2;
+ block_pos = startblock_pos;
+
+ usbvision->block_pos = block_pos;
+
+ usbvision_decompress(usbvision, strip_data, Y, &block_pos, &block_type_pos, idx_end);
+ if (strip_len > usbvision->max_strip_len)
+ usbvision->max_strip_len = strip_len;
+
+ if (frame->curline % 2)
+ usbvision_decompress(usbvision, strip_data, V, &block_pos, &block_type_pos, idx_end / 2);
+ else
+ usbvision_decompress(usbvision, strip_data, U, &block_pos, &block_type_pos, idx_end / 2);
+
+ if (block_pos > usbvision->comprblock_pos)
+ usbvision->comprblock_pos = block_pos;
+ if (block_pos > strip_len)
+ usbvision->strip_len_errors++;
+
+ for (idx = 0; idx < idx_end; idx++) {
+ if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
+ *f++ = Y[idx];
+ *f++ = idx & 0x01 ? U[idx / 2] : V[idx / 2];
+ } else if (frame->v4l2_format.format == V4L2_PIX_FMT_YUV422P) {
+ *f++ = Y[idx];
+ if (idx & 0x01)
+ *u++ = U[idx >> 1];
+ else
+ *v++ = V[idx >> 1];
+ } else if (frame->v4l2_format.format == V4L2_PIX_FMT_YVU420) {
+ *f++ = Y[idx];
+ if (!((idx & 0x01) | (frame->curline & 0x01))) {
+ /* only need do this for 1 in 4 pixels */
+ /* intraframe buffer is YUV420 format */
+ *u++ = U[idx >> 1];
+ *v++ = V[idx >> 1];
+ }
+ } else {
+ YUV_TO_RGB_BY_THE_BOOK(Y[idx], U[idx / 2], V[idx / 2], rv, gv, bv);
+ switch (frame->v4l2_format.format) {
+ case V4L2_PIX_FMT_GREY:
+ *f++ = Y[idx];
+ break;
+ case V4L2_PIX_FMT_RGB555:
+ *f++ = (0x1F & rv) |
+ (0xE0 & (gv << 5));
+ *f++ = (0x03 & (gv >> 3)) |
+ (0x7C & (bv << 2));
+ break;
+ case V4L2_PIX_FMT_RGB565:
+ *f++ = (0x1F & rv) |
+ (0xE0 & (gv << 5));
+ *f++ = (0x07 & (gv >> 3)) |
+ (0xF8 & bv);
+ break;
+ case V4L2_PIX_FMT_RGB24:
+ *f++ = rv;
+ *f++ = gv;
+ *f++ = bv;
+ break;
+ case V4L2_PIX_FMT_RGB32:
+ *f++ = rv;
+ *f++ = gv;
+ *f++ = bv;
+ f++;
+ break;
+ }
+ }
+ clipmask_index++;
+ }
+ /* Deal with non-integer no. of bytes for YUV420P */
+ if (frame->v4l2_format.format != V4L2_PIX_FMT_YVU420)
+ *pcopylen += frame->v4l2_linesize;
+ else
+ *pcopylen += frame->curline & 0x01 ? frame->v4l2_linesize : frame->v4l2_linesize << 1;
+
+ frame->curline += 1;
+
+ if (frame->curline >= frame->frmheight)
+ return parse_state_next_frame;
+ return parse_state_continue;
+
+}
+
+
+/*
+ * usbvision_parse_lines_420()
+ *
+ * Parse two lines from the scratch buffer, put
+ * decoded RGB value into the current frame buffer and add the written
+ * number of bytes (RGB) to the *pcopylen.
+ *
+ */
+static enum parse_state usbvision_parse_lines_420(struct usb_usbvision *usbvision,
+ long *pcopylen)
+{
+ struct usbvision_frame *frame;
+ unsigned char *f_even = NULL, *f_odd = NULL;
+ unsigned int pixel_per_line, block;
+ int pixel, block_split;
+ int y_ptr, u_ptr, v_ptr, y_odd_offset;
+ const int y_block_size = 128;
+ const int uv_block_size = 64;
+ const int sub_block_size = 32;
+ const int y_step[] = { 0, 0, 0, 2 }, y_step_size = 4;
+ const int uv_step[] = { 0, 0, 0, 4 }, uv_step_size = 4;
+ unsigned char y[2], u, v; /* YUV components */
+ int y_, u_, v_, vb, uvg, ur;
+ int r_, g_, b_; /* RGB components */
+ unsigned char g;
+ int clipmask_even_index, clipmask_odd_index, bytes_per_pixel;
+ int clipmask_add, stretch_bytes;
+
+ frame = usbvision->cur_frame;
+ f_even = frame->data + (frame->v4l2_linesize * frame->curline);
+ f_odd = f_even + frame->v4l2_linesize * usbvision->stretch_height;
+
+ /* Make sure there's enough data for the entire line */
+ /* In this mode usbvision transfer 3 bytes for every 2 pixels */
+ /* I need two lines to decode the color */
+ bytes_per_pixel = frame->v4l2_format.bytes_per_pixel;
+ stretch_bytes = (usbvision->stretch_width - 1) * bytes_per_pixel;
+ clipmask_even_index = frame->curline * MAX_FRAME_WIDTH;
+ clipmask_odd_index = clipmask_even_index + MAX_FRAME_WIDTH;
+ clipmask_add = usbvision->stretch_width;
+ pixel_per_line = frame->isoc_header.frame_width;
+
+ if (scratch_len(usbvision) < (int)pixel_per_line * 3) {
+ /* printk(KERN_DEBUG "out of data, need %d\n", len); */
+ return parse_state_out;
+ }
+
+ if ((frame->curline + 1) >= frame->frmheight)
+ return parse_state_next_frame;
+
+ block_split = (pixel_per_line%y_block_size) ? 1 : 0; /* are some blocks splitted into different lines? */
+
+ y_odd_offset = (pixel_per_line / y_block_size) * (y_block_size + uv_block_size)
+ + block_split * uv_block_size;
+
+ scratch_set_extra_ptr(usbvision, &y_ptr, y_odd_offset);
+ scratch_set_extra_ptr(usbvision, &u_ptr, y_block_size);
+ scratch_set_extra_ptr(usbvision, &v_ptr, y_odd_offset
+ + (4 - block_split) * sub_block_size);
+
+ for (block = 0; block < (pixel_per_line / sub_block_size); block++) {
+ for (pixel = 0; pixel < sub_block_size; pixel += 2) {
+ scratch_get(usbvision, &y[0], 2);
+ scratch_get_extra(usbvision, &u, &u_ptr, 1);
+ scratch_get_extra(usbvision, &v, &v_ptr, 1);
+
+ /* I don't use the YUV_TO_RGB macro for better performance */
+ v_ = v - 128;
+ u_ = u - 128;
+ vb = 132252 * v_;
+ uvg = -53281 * u_ - 25625 * v_;
+ ur = 104595 * u_;
+
+ if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
+ *f_even++ = y[0];
+ *f_even++ = v;
+ } else {
+ y_ = 76284 * (y[0] - 16);
+
+ b_ = (y_ + vb) >> 16;
+ g_ = (y_ + uvg) >> 16;
+ r_ = (y_ + ur) >> 16;
+
+ switch (frame->v4l2_format.format) {
+ case V4L2_PIX_FMT_RGB565:
+ g = LIMIT_RGB(g_);
+ *f_even++ =
+ (0x1F & LIMIT_RGB(r_)) |
+ (0xE0 & (g << 5));
+ *f_even++ =
+ (0x07 & (g >> 3)) |
+ (0xF8 & LIMIT_RGB(b_));
+ break;
+ case V4L2_PIX_FMT_RGB24:
+ *f_even++ = LIMIT_RGB(r_);
+ *f_even++ = LIMIT_RGB(g_);
+ *f_even++ = LIMIT_RGB(b_);
+ break;
+ case V4L2_PIX_FMT_RGB32:
+ *f_even++ = LIMIT_RGB(r_);
+ *f_even++ = LIMIT_RGB(g_);
+ *f_even++ = LIMIT_RGB(b_);
+ f_even++;
+ break;
+ case V4L2_PIX_FMT_RGB555:
+ g = LIMIT_RGB(g_);
+ *f_even++ = (0x1F & LIMIT_RGB(r_)) |
+ (0xE0 & (g << 5));
+ *f_even++ = (0x03 & (g >> 3)) |
+ (0x7C & (LIMIT_RGB(b_) << 2));
+ break;
+ }
+ }
+ clipmask_even_index += clipmask_add;
+ f_even += stretch_bytes;
+
+ if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
+ *f_even++ = y[1];
+ *f_even++ = u;
+ } else {
+ y_ = 76284 * (y[1] - 16);
+
+ b_ = (y_ + vb) >> 16;
+ g_ = (y_ + uvg) >> 16;
+ r_ = (y_ + ur) >> 16;
+
+ switch (frame->v4l2_format.format) {
+ case V4L2_PIX_FMT_RGB565:
+ g = LIMIT_RGB(g_);
+ *f_even++ =
+ (0x1F & LIMIT_RGB(r_)) |
+ (0xE0 & (g << 5));
+ *f_even++ =
+ (0x07 & (g >> 3)) |
+ (0xF8 & LIMIT_RGB(b_));
+ break;
+ case V4L2_PIX_FMT_RGB24:
+ *f_even++ = LIMIT_RGB(r_);
+ *f_even++ = LIMIT_RGB(g_);
+ *f_even++ = LIMIT_RGB(b_);
+ break;
+ case V4L2_PIX_FMT_RGB32:
+ *f_even++ = LIMIT_RGB(r_);
+ *f_even++ = LIMIT_RGB(g_);
+ *f_even++ = LIMIT_RGB(b_);
+ f_even++;
+ break;
+ case V4L2_PIX_FMT_RGB555:
+ g = LIMIT_RGB(g_);
+ *f_even++ = (0x1F & LIMIT_RGB(r_)) |
+ (0xE0 & (g << 5));
+ *f_even++ = (0x03 & (g >> 3)) |
+ (0x7C & (LIMIT_RGB(b_) << 2));
+ break;
+ }
+ }
+ clipmask_even_index += clipmask_add;
+ f_even += stretch_bytes;
+
+ scratch_get_extra(usbvision, &y[0], &y_ptr, 2);
+
+ if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
+ *f_odd++ = y[0];
+ *f_odd++ = v;
+ } else {
+ y_ = 76284 * (y[0] - 16);
+
+ b_ = (y_ + vb) >> 16;
+ g_ = (y_ + uvg) >> 16;
+ r_ = (y_ + ur) >> 16;
+
+ switch (frame->v4l2_format.format) {
+ case V4L2_PIX_FMT_RGB565:
+ g = LIMIT_RGB(g_);
+ *f_odd++ =
+ (0x1F & LIMIT_RGB(r_)) |
+ (0xE0 & (g << 5));
+ *f_odd++ =
+ (0x07 & (g >> 3)) |
+ (0xF8 & LIMIT_RGB(b_));
+ break;
+ case V4L2_PIX_FMT_RGB24:
+ *f_odd++ = LIMIT_RGB(r_);
+ *f_odd++ = LIMIT_RGB(g_);
+ *f_odd++ = LIMIT_RGB(b_);
+ break;
+ case V4L2_PIX_FMT_RGB32:
+ *f_odd++ = LIMIT_RGB(r_);
+ *f_odd++ = LIMIT_RGB(g_);
+ *f_odd++ = LIMIT_RGB(b_);
+ f_odd++;
+ break;
+ case V4L2_PIX_FMT_RGB555:
+ g = LIMIT_RGB(g_);
+ *f_odd++ = (0x1F & LIMIT_RGB(r_)) |
+ (0xE0 & (g << 5));
+ *f_odd++ = (0x03 & (g >> 3)) |
+ (0x7C & (LIMIT_RGB(b_) << 2));
+ break;
+ }
+ }
+ clipmask_odd_index += clipmask_add;
+ f_odd += stretch_bytes;
+
+ if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
+ *f_odd++ = y[1];
+ *f_odd++ = u;
+ } else {
+ y_ = 76284 * (y[1] - 16);
+
+ b_ = (y_ + vb) >> 16;
+ g_ = (y_ + uvg) >> 16;
+ r_ = (y_ + ur) >> 16;
+
+ switch (frame->v4l2_format.format) {
+ case V4L2_PIX_FMT_RGB565:
+ g = LIMIT_RGB(g_);
+ *f_odd++ =
+ (0x1F & LIMIT_RGB(r_)) |
+ (0xE0 & (g << 5));
+ *f_odd++ =
+ (0x07 & (g >> 3)) |
+ (0xF8 & LIMIT_RGB(b_));
+ break;
+ case V4L2_PIX_FMT_RGB24:
+ *f_odd++ = LIMIT_RGB(r_);
+ *f_odd++ = LIMIT_RGB(g_);
+ *f_odd++ = LIMIT_RGB(b_);
+ break;
+ case V4L2_PIX_FMT_RGB32:
+ *f_odd++ = LIMIT_RGB(r_);
+ *f_odd++ = LIMIT_RGB(g_);
+ *f_odd++ = LIMIT_RGB(b_);
+ f_odd++;
+ break;
+ case V4L2_PIX_FMT_RGB555:
+ g = LIMIT_RGB(g_);
+ *f_odd++ = (0x1F & LIMIT_RGB(r_)) |
+ (0xE0 & (g << 5));
+ *f_odd++ = (0x03 & (g >> 3)) |
+ (0x7C & (LIMIT_RGB(b_) << 2));
+ break;
+ }
+ }
+ clipmask_odd_index += clipmask_add;
+ f_odd += stretch_bytes;
+ }
+
+ scratch_rm_old(usbvision, y_step[block % y_step_size] * sub_block_size);
+ scratch_inc_extra_ptr(&y_ptr, y_step[(block + 2 * block_split) % y_step_size]
+ * sub_block_size);
+ scratch_inc_extra_ptr(&u_ptr, uv_step[block % uv_step_size]
+ * sub_block_size);
+ scratch_inc_extra_ptr(&v_ptr, uv_step[(block + 2 * block_split) % uv_step_size]
+ * sub_block_size);
+ }
+
+ scratch_rm_old(usbvision, pixel_per_line * 3 / 2
+ + block_split * sub_block_size);
+
+ frame->curline += 2 * usbvision->stretch_height;
+ *pcopylen += frame->v4l2_linesize * 2 * usbvision->stretch_height;
+
+ if (frame->curline >= frame->frmheight)
+ return parse_state_next_frame;
+ return parse_state_continue;
+}
+
+/*
+ * usbvision_parse_data()
+ *
+ * Generic routine to parse the scratch buffer. It employs either
+ * usbvision_find_header() or usbvision_parse_lines() to do most
+ * of work.
+ *
+ */
+static void usbvision_parse_data(struct usb_usbvision *usbvision)
+{
+ struct usbvision_frame *frame;
+ enum parse_state newstate;
+ long copylen = 0;
+ unsigned long lock_flags;
+
+ frame = usbvision->cur_frame;
+
+ PDEBUG(DBG_PARSE, "parsing len=%d\n", scratch_len(usbvision));
+
+ while (1) {
+ newstate = parse_state_out;
+ if (scratch_len(usbvision)) {
+ if (frame->scanstate == scan_state_scanning) {
+ newstate = usbvision_find_header(usbvision);
+ } else if (frame->scanstate == scan_state_lines) {
+ if (usbvision->isoc_mode == ISOC_MODE_YUV420)
+ newstate = usbvision_parse_lines_420(usbvision, &copylen);
+ else if (usbvision->isoc_mode == ISOC_MODE_YUV422)
+ newstate = usbvision_parse_lines_422(usbvision, &copylen);
+ else if (usbvision->isoc_mode == ISOC_MODE_COMPRESS)
+ newstate = usbvision_parse_compress(usbvision, &copylen);
+ }
+ }
+ if (newstate == parse_state_continue)
+ continue;
+ if ((newstate == parse_state_next_frame) || (newstate == parse_state_out))
+ break;
+ return; /* parse_state_end_parse */
+ }
+
+ if (newstate == parse_state_next_frame) {
+ frame->grabstate = frame_state_done;
+ v4l2_get_timestamp(&(frame->timestamp));
+ frame->sequence = usbvision->frame_num;
+
+ spin_lock_irqsave(&usbvision->queue_lock, lock_flags);
+ list_move_tail(&(frame->frame), &usbvision->outqueue);
+ usbvision->cur_frame = NULL;
+ spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags);
+
+ usbvision->frame_num++;
+
+ /* This will cause the process to request another frame. */
+ if (waitqueue_active(&usbvision->wait_frame)) {
+ PDEBUG(DBG_PARSE, "Wake up !");
+ wake_up_interruptible(&usbvision->wait_frame);
+ }
+ } else {
+ frame->grabstate = frame_state_grabbing;
+ }
+
+ /* Update the frame's uncompressed length. */
+ frame->scanlength += copylen;
+}
+
+
+/*
+ * Make all of the blocks of data contiguous
+ */
+static int usbvision_compress_isochronous(struct usb_usbvision *usbvision,
+ struct urb *urb)
+{
+ unsigned char *packet_data;
+ int i, totlen = 0;
+
+ for (i = 0; i < urb->number_of_packets; i++) {
+ int packet_len = urb->iso_frame_desc[i].actual_length;
+ int packet_stat = urb->iso_frame_desc[i].status;
+
+ packet_data = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
+
+ /* Detect and ignore errored packets */
+ if (packet_stat) { /* packet_stat != 0 ????????????? */
+ PDEBUG(DBG_ISOC, "data error: [%d] len=%d, status=%X", i, packet_len, packet_stat);
+ usbvision->isoc_err_count++;
+ continue;
+ }
+
+ /* Detect and ignore empty packets */
+ if (packet_len < 0) {
+ PDEBUG(DBG_ISOC, "error packet [%d]", i);
+ usbvision->isoc_skip_count++;
+ continue;
+ } else if (packet_len == 0) { /* Frame end ????? */
+ PDEBUG(DBG_ISOC, "null packet [%d]", i);
+ usbvision->isocstate = isoc_state_no_frame;
+ usbvision->isoc_skip_count++;
+ continue;
+ } else if (packet_len > usbvision->isoc_packet_size) {
+ PDEBUG(DBG_ISOC, "packet[%d] > isoc_packet_size", i);
+ usbvision->isoc_skip_count++;
+ continue;
+ }
+
+ PDEBUG(DBG_ISOC, "packet ok [%d] len=%d", i, packet_len);
+
+ if (usbvision->isocstate == isoc_state_no_frame) { /* new frame begins */
+ usbvision->isocstate = isoc_state_in_frame;
+ scratch_mark_header(usbvision);
+ usbvision_measure_bandwidth(usbvision);
+ PDEBUG(DBG_ISOC, "packet with header");
+ }
+
+ /*
+ * If usbvision continues to feed us with data but there is no
+ * consumption (if, for example, V4L client fell asleep) we
+ * may overflow the buffer. We have to move old data over to
+ * free room for new data. This is bad for old data. If we
+ * just drop new data then it's bad for new data... choose
+ * your favorite evil here.
+ */
+ if (scratch_free(usbvision) < packet_len) {
+ usbvision->scratch_ovf_count++;
+ PDEBUG(DBG_ISOC, "scratch buf overflow! scr_len: %d, n: %d",
+ scratch_len(usbvision), packet_len);
+ scratch_rm_old(usbvision, packet_len - scratch_free(usbvision));
+ }
+
+ /* Now we know that there is enough room in scratch buffer */
+ scratch_put(usbvision, packet_data, packet_len);
+ totlen += packet_len;
+ usbvision->isoc_data_count += packet_len;
+ usbvision->isoc_packet_count++;
+ }
+#if ENABLE_HEXDUMP
+ if (totlen > 0) {
+ static int foo;
+
+ if (foo < 1) {
+ printk(KERN_DEBUG "+%d.\n", usbvision->scratchlen);
+ usbvision_hexdump(data0, (totlen > 64) ? 64 : totlen);
+ ++foo;
+ }
+ }
+#endif
+ return totlen;
+}
+
+static void usbvision_isoc_irq(struct urb *urb)
+{
+ int err_code = 0;
+ int len;
+ struct usb_usbvision *usbvision = urb->context;
+ int i;
+ unsigned long start_time = jiffies;
+ struct usbvision_frame **f;
+
+ /* We don't want to do anything if we are about to be removed! */
+ if (!USBVISION_IS_OPERATIONAL(usbvision))
+ return;
+
+ /* any urb with wrong status is ignored without acknowledgement */
+ if (urb->status == -ENOENT)
+ return;
+
+ f = &usbvision->cur_frame;
+
+ /* Manage streaming interruption */
+ if (usbvision->streaming == stream_interrupt) {
+ usbvision->streaming = stream_idle;
+ if ((*f)) {
+ (*f)->grabstate = frame_state_ready;
+ (*f)->scanstate = scan_state_scanning;
+ }
+ PDEBUG(DBG_IRQ, "stream interrupted");
+ wake_up_interruptible(&usbvision->wait_stream);
+ }
+
+ /* Copy the data received into our scratch buffer */
+ len = usbvision_compress_isochronous(usbvision, urb);
+
+ usbvision->isoc_urb_count++;
+ usbvision->urb_length = len;
+
+ if (usbvision->streaming == stream_on) {
+ /* If we collected enough data let's parse! */
+ if (scratch_len(usbvision) > USBVISION_HEADER_LENGTH &&
+ !list_empty(&(usbvision->inqueue))) {
+ if (!(*f)) {
+ (*f) = list_entry(usbvision->inqueue.next,
+ struct usbvision_frame,
+ frame);
+ }
+ usbvision_parse_data(usbvision);
+ } else {
+ /* If we don't have a frame
+ we're current working on, complain */
+ PDEBUG(DBG_IRQ,
+ "received data, but no one needs it");
+ scratch_reset(usbvision);
+ }
+ } else {
+ PDEBUG(DBG_IRQ, "received data, but no one needs it");
+ scratch_reset(usbvision);
+ }
+
+ usbvision->time_in_irq += jiffies - start_time;
+
+ for (i = 0; i < USBVISION_URB_FRAMES; i++) {
+ urb->iso_frame_desc[i].status = 0;
+ urb->iso_frame_desc[i].actual_length = 0;
+ }
+
+ urb->status = 0;
+ urb->dev = usbvision->dev;
+ err_code = usb_submit_urb(urb, GFP_ATOMIC);
+
+ if (err_code) {
+ dev_err(&usbvision->dev->dev,
+ "%s: usb_submit_urb failed: error %d\n",
+ __func__, err_code);
+ }
+
+ return;
+}
+
+/*************************************/
+/* Low level usbvision access functions */
+/*************************************/
+
+/*
+ * usbvision_read_reg()
+ *
+ * return < 0 -> Error
+ * >= 0 -> Data
+ */
+
+int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg)
+{
+ int err_code = 0;
+ unsigned char *buffer = usbvision->ctrl_urb_buffer;
+
+ if (!USBVISION_IS_OPERATIONAL(usbvision))
+ return -1;
+
+ err_code = usb_control_msg(usbvision->dev, usb_rcvctrlpipe(usbvision->dev, 1),
+ USBVISION_OP_CODE,
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT,
+ 0, (__u16) reg, buffer, 1, HZ);
+
+ if (err_code < 0) {
+ dev_err(&usbvision->dev->dev,
+ "%s: failed: error %d\n", __func__, err_code);
+ return err_code;
+ }
+ return buffer[0];
+}
+
+/*
+ * usbvision_write_reg()
+ *
+ * return 1 -> Reg written
+ * 0 -> usbvision is not yet ready
+ * -1 -> Something went wrong
+ */
+
+int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg,
+ unsigned char value)
+{
+ int err_code = 0;
+
+ if (!USBVISION_IS_OPERATIONAL(usbvision))
+ return 0;
+
+ usbvision->ctrl_urb_buffer[0] = value;
+ err_code = usb_control_msg(usbvision->dev, usb_sndctrlpipe(usbvision->dev, 1),
+ USBVISION_OP_CODE,
+ USB_DIR_OUT | USB_TYPE_VENDOR |
+ USB_RECIP_ENDPOINT, 0, (__u16) reg,
+ usbvision->ctrl_urb_buffer, 1, HZ);
+
+ if (err_code < 0) {
+ dev_err(&usbvision->dev->dev,
+ "%s: failed: error %d\n", __func__, err_code);
+ }
+ return err_code;
+}
+
+
+static void usbvision_ctrl_urb_complete(struct urb *urb)
+{
+ struct usb_usbvision *usbvision = (struct usb_usbvision *)urb->context;
+
+ PDEBUG(DBG_IRQ, "");
+ usbvision->ctrl_urb_busy = 0;
+}
+
+
+static int usbvision_write_reg_irq(struct usb_usbvision *usbvision, int address,
+ unsigned char *data, int len)
+{
+ int err_code = 0;
+
+ PDEBUG(DBG_IRQ, "");
+ if (len > 8)
+ return -EFAULT;
+ if (usbvision->ctrl_urb_busy)
+ return -EBUSY;
+ usbvision->ctrl_urb_busy = 1;
+
+ usbvision->ctrl_urb_setup.bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT;
+ usbvision->ctrl_urb_setup.bRequest = USBVISION_OP_CODE;
+ usbvision->ctrl_urb_setup.wValue = 0;
+ usbvision->ctrl_urb_setup.wIndex = cpu_to_le16(address);
+ usbvision->ctrl_urb_setup.wLength = cpu_to_le16(len);
+ usb_fill_control_urb(usbvision->ctrl_urb, usbvision->dev,
+ usb_sndctrlpipe(usbvision->dev, 1),
+ (unsigned char *)&usbvision->ctrl_urb_setup,
+ (void *)usbvision->ctrl_urb_buffer, len,
+ usbvision_ctrl_urb_complete,
+ (void *)usbvision);
+
+ memcpy(usbvision->ctrl_urb_buffer, data, len);
+
+ err_code = usb_submit_urb(usbvision->ctrl_urb, GFP_ATOMIC);
+ if (err_code < 0) {
+ /* error in usb_submit_urb() */
+ usbvision->ctrl_urb_busy = 0;
+ }
+ PDEBUG(DBG_IRQ, "submit %d byte: error %d", len, err_code);
+ return err_code;
+}
+
+
+static int usbvision_init_compression(struct usb_usbvision *usbvision)
+{
+ usbvision->last_isoc_frame_num = -1;
+ usbvision->isoc_data_count = 0;
+ usbvision->isoc_packet_count = 0;
+ usbvision->isoc_skip_count = 0;
+ usbvision->compr_level = 50;
+ usbvision->last_compr_level = -1;
+ usbvision->isoc_urb_count = 0;
+ usbvision->request_intra = 1;
+ usbvision->isoc_measure_bandwidth_count = 0;
+
+ return 0;
+}
+
+/* this function measures the used bandwidth since last call
+ * return: 0 : no error
+ * sets used_bandwidth to 1-100 : 1-100% of full bandwidth resp. to isoc_packet_size
+ */
+static int usbvision_measure_bandwidth(struct usb_usbvision *usbvision)
+{
+ if (usbvision->isoc_measure_bandwidth_count < 2) { /* this gives an average bandwidth of 3 frames */
+ usbvision->isoc_measure_bandwidth_count++;
+ return 0;
+ }
+ if ((usbvision->isoc_packet_size > 0) && (usbvision->isoc_packet_count > 0)) {
+ usbvision->used_bandwidth = usbvision->isoc_data_count /
+ (usbvision->isoc_packet_count + usbvision->isoc_skip_count) *
+ 100 / usbvision->isoc_packet_size;
+ }
+ usbvision->isoc_measure_bandwidth_count = 0;
+ usbvision->isoc_data_count = 0;
+ usbvision->isoc_packet_count = 0;
+ usbvision->isoc_skip_count = 0;
+ return 0;
+}
+
+static int usbvision_adjust_compression(struct usb_usbvision *usbvision)
+{
+ int err_code = 0;
+ unsigned char buffer[6];
+
+ PDEBUG(DBG_IRQ, "");
+ if ((adjust_compression) && (usbvision->used_bandwidth > 0)) {
+ usbvision->compr_level += (usbvision->used_bandwidth - 90) / 2;
+ RESTRICT_TO_RANGE(usbvision->compr_level, 0, 100);
+ if (usbvision->compr_level != usbvision->last_compr_level) {
+ int distortion;
+
+ if (usbvision->bridge_type == BRIDGE_NT1004 || usbvision->bridge_type == BRIDGE_NT1005) {
+ buffer[0] = (unsigned char)(4 + 16 * usbvision->compr_level / 100); /* PCM Threshold 1 */
+ buffer[1] = (unsigned char)(4 + 8 * usbvision->compr_level / 100); /* PCM Threshold 2 */
+ distortion = 7 + 248 * usbvision->compr_level / 100;
+ buffer[2] = (unsigned char)(distortion & 0xFF); /* Average distortion Threshold (inter) */
+ buffer[3] = (unsigned char)(distortion & 0xFF); /* Average distortion Threshold (intra) */
+ distortion = 1 + 42 * usbvision->compr_level / 100;
+ buffer[4] = (unsigned char)(distortion & 0xFF); /* Maximum distortion Threshold (inter) */
+ buffer[5] = (unsigned char)(distortion & 0xFF); /* Maximum distortion Threshold (intra) */
+ } else { /* BRIDGE_NT1003 */
+ buffer[0] = (unsigned char)(4 + 16 * usbvision->compr_level / 100); /* PCM threshold 1 */
+ buffer[1] = (unsigned char)(4 + 8 * usbvision->compr_level / 100); /* PCM threshold 2 */
+ distortion = 2 + 253 * usbvision->compr_level / 100;
+ buffer[2] = (unsigned char)(distortion & 0xFF); /* distortion threshold bit0-7 */
+ buffer[3] = 0; /* (unsigned char)((distortion >> 8) & 0x0F); distortion threshold bit 8-11 */
+ distortion = 0 + 43 * usbvision->compr_level / 100;
+ buffer[4] = (unsigned char)(distortion & 0xFF); /* maximum distortion bit0-7 */
+ buffer[5] = 0; /* (unsigned char)((distortion >> 8) & 0x01); maximum distortion bit 8 */
+ }
+ err_code = usbvision_write_reg_irq(usbvision, USBVISION_PCM_THR1, buffer, 6);
+ if (err_code == 0) {
+ PDEBUG(DBG_IRQ, "new compr params %#02x %#02x %#02x %#02x %#02x %#02x", buffer[0],
+ buffer[1], buffer[2], buffer[3], buffer[4], buffer[5]);
+ usbvision->last_compr_level = usbvision->compr_level;
+ }
+ }
+ }
+ return err_code;
+}
+
+static int usbvision_request_intra(struct usb_usbvision *usbvision)
+{
+ unsigned char buffer[1];
+
+ PDEBUG(DBG_IRQ, "");
+ usbvision->request_intra = 1;
+ buffer[0] = 1;
+ usbvision_write_reg_irq(usbvision, USBVISION_FORCE_INTRA, buffer, 1);
+ return 0;
+}
+
+static int usbvision_unrequest_intra(struct usb_usbvision *usbvision)
+{
+ unsigned char buffer[1];
+
+ PDEBUG(DBG_IRQ, "");
+ usbvision->request_intra = 0;
+ buffer[0] = 0;
+ usbvision_write_reg_irq(usbvision, USBVISION_FORCE_INTRA, buffer, 1);
+ return 0;
+}
+
+/*******************************
+ * usbvision utility functions
+ *******************************/
+
+int usbvision_power_off(struct usb_usbvision *usbvision)
+{
+ int err_code = 0;
+
+ PDEBUG(DBG_FUNC, "");
+
+ err_code = usbvision_write_reg(usbvision, USBVISION_PWR_REG, USBVISION_SSPND_EN);
+ if (err_code == 1)
+ usbvision->power = 0;
+ PDEBUG(DBG_FUNC, "%s: err_code %d", (err_code != 1) ? "ERROR" : "power is off", err_code);
+ 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 }
+ };
+ unsigned char *value = usbvision->ctrl_urb_buffer;
+
+ /* 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()
+ *
+ */
+static int usbvision_set_video_format(struct usb_usbvision *usbvision, int format)
+{
+ static const char proc[] = "usbvision_set_video_format";
+ unsigned char *value = usbvision->ctrl_urb_buffer;
+ int rc;
+
+ if (!USBVISION_IS_OPERATIONAL(usbvision))
+ return 0;
+
+ PDEBUG(DBG_FUNC, "isoc_mode %#02x", format);
+
+ if ((format != ISOC_MODE_YUV422)
+ && (format != ISOC_MODE_YUV420)
+ && (format != ISOC_MODE_COMPRESS)) {
+ printk(KERN_ERR "usbvision: unknown video format %02x, using default YUV420",
+ format);
+ format = ISOC_MODE_YUV420;
+ }
+ value[0] = 0x0A; /* TODO: See the effect of the filter */
+ value[1] = format; /* Sets the VO_MODE register which follows FILT_CONT */
+ 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_FILT_CONT, value, 2, HZ);
+
+ if (rc < 0) {
+ printk(KERN_ERR "%s: ERROR=%d. USBVISION stopped - reconnect or reload driver.\n",
+ proc, rc);
+ }
+ usbvision->isoc_mode = format;
+ return rc;
+}
+
+/*
+ * usbvision_set_output()
+ *
+ */
+
+int usbvision_set_output(struct usb_usbvision *usbvision, int width,
+ int height)
+{
+ int err_code = 0;
+ int usb_width, usb_height;
+ unsigned int frame_rate = 0, frame_drop = 0;
+ unsigned char *value = usbvision->ctrl_urb_buffer;
+
+ if (!USBVISION_IS_OPERATIONAL(usbvision))
+ return 0;
+
+ if (width > MAX_USB_WIDTH) {
+ usb_width = width / 2;
+ usbvision->stretch_width = 2;
+ } else {
+ usb_width = width;
+ usbvision->stretch_width = 1;
+ }
+
+ if (height > MAX_USB_HEIGHT) {
+ usb_height = height / 2;
+ usbvision->stretch_height = 2;
+ } else {
+ usb_height = height;
+ usbvision->stretch_height = 1;
+ }
+
+ RESTRICT_TO_RANGE(usb_width, MIN_FRAME_WIDTH, MAX_USB_WIDTH);
+ usb_width &= ~(MIN_FRAME_WIDTH-1);
+ RESTRICT_TO_RANGE(usb_height, MIN_FRAME_HEIGHT, MAX_USB_HEIGHT);
+ usb_height &= ~(1);
+
+ PDEBUG(DBG_FUNC, "usb %dx%d; screen %dx%d; stretch %dx%d",
+ usb_width, usb_height, width, height,
+ usbvision->stretch_width, usbvision->stretch_height);
+
+ /* I'll not rewrite the same values */
+ if ((usb_width != usbvision->curwidth) || (usb_height != usbvision->curheight)) {
+ value[0] = usb_width & 0xff; /* LSB */
+ value[1] = (usb_width >> 8) & 0x03; /* MSB */
+ value[2] = usb_height & 0xff; /* LSB */
+ value[3] = (usb_height >> 8) & 0x03; /* MSB */
+
+ err_code = 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_LXSIZE_O, value, 4, HZ);
+
+ if (err_code < 0) {
+ dev_err(&usbvision->dev->dev,
+ "%s failed: error %d\n", __func__, err_code);
+ return err_code;
+ }
+ usbvision->curwidth = usbvision->stretch_width * usb_width;
+ usbvision->curheight = usbvision->stretch_height * usb_height;
+ }
+
+ if (usbvision->isoc_mode == ISOC_MODE_YUV422)
+ frame_rate = (usbvision->isoc_packet_size * 1000) / (usb_width * usb_height * 2);
+ else if (usbvision->isoc_mode == ISOC_MODE_YUV420)
+ frame_rate = (usbvision->isoc_packet_size * 1000) / ((usb_width * usb_height * 12) / 8);
+ else
+ frame_rate = FRAMERATE_MAX;
+
+ if (usbvision->tvnorm_id & V4L2_STD_625_50)
+ frame_drop = frame_rate * 32 / 25 - 1;
+ else if (usbvision->tvnorm_id & V4L2_STD_525_60)
+ frame_drop = frame_rate * 32 / 30 - 1;
+
+ RESTRICT_TO_RANGE(frame_drop, FRAMERATE_MIN, FRAMERATE_MAX);
+
+ PDEBUG(DBG_FUNC, "frame_rate %d fps, frame_drop %d", frame_rate, frame_drop);
+
+ 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;
+
+ frame_drop = 9; => frame_phase = 1, 5, 8, 11, 14, 17, 21, 24, 27, 1, 4, 8, ...
+ => frame_skip = 4, 3, 3, 3, 3, 4, 3, 3, 3, 3, 4, ...
+ => frame_rate = (9 + 1) * 25 / 32 = 250 / 32 = 7.8125;
+ */
+ err_code = usbvision_write_reg(usbvision, USBVISION_FRM_RATE, frame_drop);
+ return err_code;
+}
+
+
+/*
+ * usbvision_frames_alloc
+ * allocate the required frames
+ */
+int usbvision_frames_alloc(struct usb_usbvision *usbvision, int number_of_frames)
+{
+ int i;
+
+ /* needs to be page aligned cause the buffers can be mapped individually! */
+ usbvision->max_frame_size = PAGE_ALIGN(usbvision->curwidth *
+ usbvision->curheight *
+ usbvision->palette.bytes_per_pixel);
+
+ /* Try to do my best to allocate the frames the user want in the remaining memory */
+ usbvision->num_frames = number_of_frames;
+ while (usbvision->num_frames > 0) {
+ usbvision->fbuf_size = usbvision->num_frames * usbvision->max_frame_size;
+ usbvision->fbuf = usbvision_rvmalloc(usbvision->fbuf_size);
+ if (usbvision->fbuf)
+ break;
+ usbvision->num_frames--;
+ }
+
+ /* Allocate all buffers */
+ for (i = 0; i < usbvision->num_frames; i++) {
+ usbvision->frame[i].index = i;
+ usbvision->frame[i].grabstate = frame_state_unused;
+ usbvision->frame[i].data = usbvision->fbuf +
+ i * usbvision->max_frame_size;
+ /*
+ * Set default sizes for read operation.
+ */
+ usbvision->stretch_width = 1;
+ usbvision->stretch_height = 1;
+ usbvision->frame[i].width = usbvision->curwidth;
+ usbvision->frame[i].height = usbvision->curheight;
+ usbvision->frame[i].bytes_read = 0;
+ }
+ PDEBUG(DBG_FUNC, "allocated %d frames (%d bytes per frame)",
+ usbvision->num_frames, usbvision->max_frame_size);
+ return usbvision->num_frames;
+}
+
+/*
+ * usbvision_frames_free
+ * frees memory allocated for the frames
+ */
+void usbvision_frames_free(struct usb_usbvision *usbvision)
+{
+ /* Have to free all that memory */
+ PDEBUG(DBG_FUNC, "free %d frames", usbvision->num_frames);
+
+ if (usbvision->fbuf != NULL) {
+ usbvision_rvfree(usbvision->fbuf, usbvision->fbuf_size);
+ usbvision->fbuf = NULL;
+
+ usbvision->num_frames = 0;
+ }
+}
+/*
+ * usbvision_empty_framequeues()
+ * prepare queues for incoming and outgoing frames
+ */
+void usbvision_empty_framequeues(struct usb_usbvision *usbvision)
+{
+ u32 i;
+
+ INIT_LIST_HEAD(&(usbvision->inqueue));
+ INIT_LIST_HEAD(&(usbvision->outqueue));
+
+ for (i = 0; i < USBVISION_NUMFRAMES; i++) {
+ usbvision->frame[i].grabstate = frame_state_unused;
+ usbvision->frame[i].bytes_read = 0;
+ }
+}
+
+/*
+ * usbvision_stream_interrupt()
+ * stops streaming
+ */
+int usbvision_stream_interrupt(struct usb_usbvision *usbvision)
+{
+ int ret = 0;
+
+ /* stop reading from the device */
+
+ usbvision->streaming = stream_interrupt;
+ ret = wait_event_timeout(usbvision->wait_stream,
+ (usbvision->streaming == stream_idle),
+ msecs_to_jiffies(USBVISION_NUMSBUF*USBVISION_URB_FRAMES));
+ return ret;
+}
+
+/*
+ * usbvision_set_compress_params()
+ *
+ */
+
+static int usbvision_set_compress_params(struct usb_usbvision *usbvision)
+{
+ static const char proc[] = "usbvision_set_compression_params: ";
+ int rc;
+ unsigned char *value = usbvision->ctrl_urb_buffer;
+
+ value[0] = 0x0F; /* Intra-Compression cycle */
+ value[1] = 0x01; /* Reg.45 one line per strip */
+ value[2] = 0x00; /* Reg.46 Force intra mode on all new frames */
+ value[3] = 0x00; /* Reg.47 FORCE_UP <- 0 normal operation (not force) */
+ value[4] = 0xA2; /* Reg.48 BUF_THR I'm not sure if this does something in not compressed mode. */
+ value[5] = 0x00; /* Reg.49 DVI_YUV This has nothing to do with compression */
+
+ /* catched values for NT1004 */
+ /* value[0] = 0xFF; Never apply intra mode automatically */
+ /* value[1] = 0xF1; Use full frame height for virtual strip width; One line per strip */
+ /* value[2] = 0x01; Force intra mode on all new frames */
+ /* value[3] = 0x00; Strip size 400 Bytes; do not force up */
+ /* value[4] = 0xA2; */
+ if (!USBVISION_IS_OPERATIONAL(usbvision))
+ return 0;
+
+ 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_INTRA_CYC, value, 5, HZ);
+
+ if (rc < 0) {
+ printk(KERN_ERR "%sERROR=%d. USBVISION stopped - reconnect or reload driver.\n",
+ proc, rc);
+ return rc;
+ }
+
+ if (usbvision->bridge_type == BRIDGE_NT1004) {
+ value[0] = 20; /* PCM Threshold 1 */
+ value[1] = 12; /* PCM Threshold 2 */
+ value[2] = 255; /* Distortion Threshold inter */
+ value[3] = 255; /* Distortion Threshold intra */
+ value[4] = 43; /* Max Distortion inter */
+ value[5] = 43; /* Max Distortion intra */
+ } else {
+ value[0] = 20; /* PCM Threshold 1 */
+ value[1] = 12; /* PCM Threshold 2 */
+ value[2] = 255; /* Distortion Threshold d7-d0 */
+ value[3] = 0; /* Distortion Threshold d11-d8 */
+ value[4] = 43; /* Max Distortion d7-d0 */
+ value[5] = 0; /* Max Distortion d8 */
+ }
+
+ if (!USBVISION_IS_OPERATIONAL(usbvision))
+ return 0;
+
+ 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_PCM_THR1, value, 6, HZ);
+
+ if (rc < 0) {
+ printk(KERN_ERR "%sERROR=%d. USBVISION stopped - reconnect or reload driver.\n",
+ proc, rc);
+ }
+ return rc;
+}
+
+
+/*
+ * usbvision_set_input()
+ *
+ * Set the input (saa711x, ...) size x y and other misc input params
+ * I've no idea if this parameters are right
+ *
+ */
+int usbvision_set_input(struct usb_usbvision *usbvision)
+{
+ static const char proc[] = "usbvision_set_input: ";
+ int rc;
+ unsigned char *value = usbvision->ctrl_urb_buffer;
+ unsigned char dvi_yuv_value;
+
+ if (!USBVISION_IS_OPERATIONAL(usbvision))
+ return 0;
+
+ /* Set input format expected from decoder*/
+ if (usbvision_device_data[usbvision->dev_model].vin_reg1_override) {
+ value[0] = usbvision_device_data[usbvision->dev_model].vin_reg1;
+ } else if (usbvision_device_data[usbvision->dev_model].codec == CODEC_SAA7113) {
+ /* SAA7113 uses 8 bit output */
+ value[0] = USBVISION_8_422_SYNC;
+ } else {
+ /* I'm sure only about d2-d0 [010] 16 bit 4:2:2 usin sync pulses
+ * as that is how saa7111 is configured */
+ value[0] = USBVISION_16_422_SYNC;
+ /* | USBVISION_VSNC_POL | USBVISION_VCLK_POL);*/
+ }
+
+ rc = usbvision_write_reg(usbvision, USBVISION_VIN_REG1, value[0]);
+ if (rc < 0) {
+ printk(KERN_ERR "%sERROR=%d. USBVISION stopped - reconnect or reload driver.\n",
+ proc, rc);
+ return rc;
+ }
+
+
+ if (usbvision->tvnorm_id & V4L2_STD_PAL) {
+ value[0] = 0xC0;
+ value[1] = 0x02; /* 0x02C0 -> 704 Input video line length */
+ value[2] = 0x20;
+ value[3] = 0x01; /* 0x0120 -> 288 Input video n. of lines */
+ value[4] = 0x60;
+ value[5] = 0x00; /* 0x0060 -> 96 Input video h offset */
+ value[6] = 0x16;
+ value[7] = 0x00; /* 0x0016 -> 22 Input video v offset */
+ } else if (usbvision->tvnorm_id & V4L2_STD_SECAM) {
+ value[0] = 0xC0;
+ value[1] = 0x02; /* 0x02C0 -> 704 Input video line length */
+ value[2] = 0x20;
+ value[3] = 0x01; /* 0x0120 -> 288 Input video n. of lines */
+ value[4] = 0x01;
+ value[5] = 0x00; /* 0x0001 -> 01 Input video h offset */
+ value[6] = 0x01;
+ value[7] = 0x00; /* 0x0001 -> 01 Input video v offset */
+ } else { /* V4L2_STD_NTSC */
+ value[0] = 0xD0;
+ value[1] = 0x02; /* 0x02D0 -> 720 Input video line length */
+ value[2] = 0xF0;
+ value[3] = 0x00; /* 0x00F0 -> 240 Input video number of lines */
+ value[4] = 0x50;
+ value[5] = 0x00; /* 0x0050 -> 80 Input video h offset */
+ value[6] = 0x10;
+ 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;
+ }
+
+ if (adjust_x_offset != -1) {
+ value[4] = adjust_x_offset & 0xff;
+ value[5] = (adjust_x_offset & 0x0300) >> 8;
+ }
+
+ if (usbvision_device_data[usbvision->dev_model].y_offset >= 0) {
+ value[6] = usbvision_device_data[usbvision->dev_model].y_offset & 0xff;
+ value[7] = (usbvision_device_data[usbvision->dev_model].y_offset & 0x0300) >> 8;
+ }
+
+ if (adjust_y_offset != -1) {
+ value[6] = adjust_y_offset & 0xff;
+ value[7] = (adjust_y_offset & 0x0300) >> 8;
+ }
+
+ rc = usb_control_msg(usbvision->dev, usb_sndctrlpipe(usbvision->dev, 1),
+ USBVISION_OP_CODE, /* USBVISION specific code */
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0,
+ (__u16) USBVISION_LXSIZE_I, value, 8, HZ);
+ if (rc < 0) {
+ printk(KERN_ERR "%sERROR=%d. USBVISION stopped - reconnect or reload driver.\n",
+ proc, rc);
+ return rc;
+ }
+
+
+ dvi_yuv_value = 0x00; /* U comes after V, Ya comes after U/V, Yb comes after Yb */
+
+ if (usbvision_device_data[usbvision->dev_model].dvi_yuv_override) {
+ dvi_yuv_value = usbvision_device_data[usbvision->dev_model].dvi_yuv;
+ } else if (usbvision_device_data[usbvision->dev_model].codec == CODEC_SAA7113) {
+ /* This changes as the fine sync control changes. Further investigation necessary */
+ dvi_yuv_value = 0x06;
+ }
+
+ return usbvision_write_reg(usbvision, USBVISION_DVI_YUV, dvi_yuv_value);
+}
+
+
+/*
+ * usbvision_set_dram_settings()
+ *
+ * Set the buffer address needed by the usbvision dram to operate
+ * This values has been taken with usbsnoop.
+ *
+ */
+
+static int usbvision_set_dram_settings(struct usb_usbvision *usbvision)
+{
+ unsigned char *value = usbvision->ctrl_urb_buffer;
+ int rc;
+
+ if (usbvision->isoc_mode == ISOC_MODE_COMPRESS) {
+ value[0] = 0x42;
+ value[1] = 0x71;
+ value[2] = 0xff;
+ value[3] = 0x00;
+ value[4] = 0x98;
+ value[5] = 0xe0;
+ value[6] = 0x71;
+ value[7] = 0xff;
+ /* UR: 0x0E200-0x3FFFF = 204288 Words (1 Word = 2 Byte) */
+ /* FDL: 0x00000-0x0E099 = 57498 Words */
+ /* VDW: 0x0E3FF-0x3FFFF */
+ } else {
+ value[0] = 0x42;
+ value[1] = 0x00;
+ value[2] = 0xff;
+ value[3] = 0x00;
+ value[4] = 0x00;
+ value[5] = 0x00;
+ value[6] = 0x00;
+ value[7] = 0xff;
+ }
+ /* These are the values of the address of the video buffer,
+ * they have to be loaded into the USBVISION_DRM_PRM1-8
+ *
+ * Start address of video output buffer for read: drm_prm1-2 -> 0x00000
+ * End address of video output buffer for read: drm_prm1-3 -> 0x1ffff
+ * Start address of video frame delay buffer: drm_prm1-4 -> 0x20000
+ * Only used in compressed mode
+ * End address of video frame delay buffer: drm_prm1-5-6 -> 0x3ffff
+ * Only used in compressed mode
+ * Start address of video output buffer for write: drm_prm1-7 -> 0x00000
+ * End address of video output buffer for write: drm_prm1-8 -> 0x1ffff
+ */
+
+ if (!USBVISION_IS_OPERATIONAL(usbvision))
+ return 0;
+
+ rc = usb_control_msg(usbvision->dev, usb_sndctrlpipe(usbvision->dev, 1),
+ USBVISION_OP_CODE, /* USBVISION specific code */
+ USB_DIR_OUT | USB_TYPE_VENDOR |
+ USB_RECIP_ENDPOINT, 0,
+ (__u16) USBVISION_DRM_PRM1, value, 8, HZ);
+
+ if (rc < 0) {
+ dev_err(&usbvision->dev->dev, "%s: ERROR=%d\n", __func__, rc);
+ return rc;
+ }
+
+ /* Restart the video buffer logic */
+ rc = usbvision_write_reg(usbvision, USBVISION_DRM_CONT, USBVISION_RES_UR |
+ USBVISION_RES_FDL | USBVISION_RES_VDW);
+ if (rc < 0)
+ return rc;
+ rc = usbvision_write_reg(usbvision, USBVISION_DRM_CONT, 0x00);
+
+ return rc;
+}
+
+/*
+ * ()
+ *
+ * Power on the device, enables suspend-resume logic
+ * & reset the isoc End-Point
+ *
+ */
+
+int usbvision_power_on(struct usb_usbvision *usbvision)
+{
+ int err_code = 0;
+
+ PDEBUG(DBG_FUNC, "");
+
+ usbvision_write_reg(usbvision, USBVISION_PWR_REG, USBVISION_SSPND_EN);
+ 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)
+ usbvision->power = 1;
+ PDEBUG(DBG_FUNC, "%s: err_code %d", (err_code < 0) ? "ERROR" : "power is on", err_code);
+ return err_code;
+}
+
+
+/*
+ * usbvision_begin_streaming()
+ * Sure you have to put bit 7 to 0, if not incoming frames are droped, but no
+ * idea about the rest
+ */
+int usbvision_begin_streaming(struct usb_usbvision *usbvision)
+{
+ if (usbvision->isoc_mode == ISOC_MODE_COMPRESS)
+ usbvision_init_compression(usbvision);
+ return usbvision_write_reg(usbvision, USBVISION_VIN_REG2,
+ USBVISION_NOHVALID | usbvision->vin_reg2_preset);
+}
+
+/*
+ * usbvision_restart_isoc()
+ * Not sure yet if touching here PWR_REG make loose the config
+ */
+
+int usbvision_restart_isoc(struct usb_usbvision *usbvision)
+{
+ int ret;
+
+ ret = usbvision_write_reg(usbvision, USBVISION_PWR_REG,
+ USBVISION_SSPND_EN | USBVISION_PWR_VID);
+ if (ret < 0)
+ return ret;
+ ret = usbvision_write_reg(usbvision, USBVISION_PWR_REG,
+ USBVISION_SSPND_EN | USBVISION_PWR_VID |
+ USBVISION_RES2);
+ if (ret < 0)
+ return ret;
+ ret = usbvision_write_reg(usbvision, USBVISION_VIN_REG2,
+ USBVISION_KEEP_BLANK | USBVISION_NOHVALID |
+ usbvision->vin_reg2_preset);
+ if (ret < 0)
+ return ret;
+
+ /* TODO: schedule timeout */
+ while ((usbvision_read_reg(usbvision, USBVISION_STATUS_REG) & 0x01) != 1)
+ ;
+
+ return 0;
+}
+
+int usbvision_audio_off(struct usb_usbvision *usbvision)
+{
+ if (usbvision_write_reg(usbvision, USBVISION_IOPIN_REG, USBVISION_AUDIO_MUTE) < 0) {
+ printk(KERN_ERR "usbvision_audio_off: can't write reg\n");
+ return -1;
+ }
+ usbvision->audio_mute = 0;
+ usbvision->audio_channel = USBVISION_AUDIO_MUTE;
+ return 0;
+}
+
+int usbvision_set_audio(struct usb_usbvision *usbvision, int audio_channel)
+{
+ if (!usbvision->audio_mute) {
+ if (usbvision_write_reg(usbvision, USBVISION_IOPIN_REG, audio_channel) < 0) {
+ printk(KERN_ERR "usbvision_set_audio: can't write iopin register for audio switching\n");
+ return -1;
+ }
+ }
+ usbvision->audio_channel = audio_channel;
+ return 0;
+}
+
+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);
+ usbvision_set_input(usbvision);
+ usbvision_set_output(usbvision, MAX_USB_WIDTH, MAX_USB_HEIGHT);
+ usbvision_restart_isoc(usbvision);
+
+ /* cosas del PCM */
+ return USBVISION_IS_OPERATIONAL(usbvision);
+}
+
+int usbvision_set_alternate(struct usb_usbvision *dev)
+{
+ int err_code, prev_alt = dev->iface_alt;
+ int i;
+
+ dev->iface_alt = 0;
+ for (i = 0; i < dev->num_alt; i++)
+ if (dev->alt_max_pkt_size[i] > dev->alt_max_pkt_size[dev->iface_alt])
+ dev->iface_alt = i;
+
+ if (dev->iface_alt != prev_alt) {
+ dev->isoc_packet_size = dev->alt_max_pkt_size[dev->iface_alt];
+ PDEBUG(DBG_FUNC, "setting alternate %d with max_packet_size=%u",
+ dev->iface_alt, dev->isoc_packet_size);
+ err_code = usb_set_interface(dev->dev, dev->iface, dev->iface_alt);
+ if (err_code < 0) {
+ dev_err(&dev->dev->dev,
+ "cannot change alternate number to %d (error=%i)\n",
+ dev->iface_alt, err_code);
+ return err_code;
+ }
+ }
+
+ PDEBUG(DBG_ISOC, "ISO Packet Length:%d", dev->isoc_packet_size);
+
+ return 0;
+}
+
+/*
+ * usbvision_init_isoc()
+ *
+ */
+int usbvision_init_isoc(struct usb_usbvision *usbvision)
+{
+ struct usb_device *dev = usbvision->dev;
+ int buf_idx, err_code, reg_value;
+ int sb_size;
+
+ if (!USBVISION_IS_OPERATIONAL(usbvision))
+ return -EFAULT;
+
+ usbvision->cur_frame = NULL;
+ scratch_reset(usbvision);
+
+ /* Alternate interface 1 is is the biggest frame size */
+ err_code = usbvision_set_alternate(usbvision);
+ if (err_code < 0) {
+ usbvision->last_error = err_code;
+ return -EBUSY;
+ }
+ sb_size = USBVISION_URB_FRAMES * usbvision->isoc_packet_size;
+
+ reg_value = (16 - usbvision_read_reg(usbvision,
+ USBVISION_ALTER_REG)) & 0x0F;
+
+ usbvision->usb_bandwidth = reg_value >> 1;
+ PDEBUG(DBG_ISOC, "USB Bandwidth Usage: %dMbit/Sec",
+ usbvision->usb_bandwidth);
+
+
+
+ /* We double buffer the Iso lists */
+
+ for (buf_idx = 0; buf_idx < USBVISION_NUMSBUF; buf_idx++) {
+ int j, k;
+ struct urb *urb;
+
+ urb = usb_alloc_urb(USBVISION_URB_FRAMES, GFP_KERNEL);
+ if (urb == NULL)
+ return -ENOMEM;
+ usbvision->sbuf[buf_idx].urb = urb;
+ usbvision->sbuf[buf_idx].data =
+ usb_alloc_coherent(usbvision->dev,
+ sb_size,
+ GFP_KERNEL,
+ &urb->transfer_dma);
+ urb->dev = dev;
+ urb->context = usbvision;
+ urb->pipe = usb_rcvisocpipe(dev, usbvision->video_endp);
+ urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
+ urb->interval = 1;
+ urb->transfer_buffer = usbvision->sbuf[buf_idx].data;
+ urb->complete = usbvision_isoc_irq;
+ urb->number_of_packets = USBVISION_URB_FRAMES;
+ urb->transfer_buffer_length =
+ usbvision->isoc_packet_size * USBVISION_URB_FRAMES;
+ for (j = k = 0; j < USBVISION_URB_FRAMES; j++,
+ k += usbvision->isoc_packet_size) {
+ urb->iso_frame_desc[j].offset = k;
+ urb->iso_frame_desc[j].length =
+ usbvision->isoc_packet_size;
+ }
+ }
+
+ /* Submit all URBs */
+ for (buf_idx = 0; buf_idx < USBVISION_NUMSBUF; buf_idx++) {
+ err_code = usb_submit_urb(usbvision->sbuf[buf_idx].urb,
+ GFP_KERNEL);
+ if (err_code) {
+ dev_err(&usbvision->dev->dev,
+ "%s: usb_submit_urb(%d) failed: error %d\n",
+ __func__, buf_idx, err_code);
+ }
+ }
+
+ usbvision->streaming = stream_idle;
+ PDEBUG(DBG_ISOC, "%s: streaming=1 usbvision->video_endp=$%02x",
+ __func__,
+ usbvision->video_endp);
+ return 0;
+}
+
+/*
+ * usbvision_stop_isoc()
+ *
+ * This procedure stops streaming and deallocates URBs. Then it
+ * activates zero-bandwidth alt. setting of the video interface.
+ *
+ */
+void usbvision_stop_isoc(struct usb_usbvision *usbvision)
+{
+ int buf_idx, err_code, reg_value;
+ int sb_size = USBVISION_URB_FRAMES * usbvision->isoc_packet_size;
+
+ if ((usbvision->streaming == stream_off) || (usbvision->dev == NULL))
+ return;
+
+ /* Unschedule all of the iso td's */
+ for (buf_idx = 0; buf_idx < USBVISION_NUMSBUF; buf_idx++) {
+ usb_kill_urb(usbvision->sbuf[buf_idx].urb);
+ if (usbvision->sbuf[buf_idx].data) {
+ usb_free_coherent(usbvision->dev,
+ sb_size,
+ usbvision->sbuf[buf_idx].data,
+ usbvision->sbuf[buf_idx].urb->transfer_dma);
+ }
+ usb_free_urb(usbvision->sbuf[buf_idx].urb);
+ usbvision->sbuf[buf_idx].urb = NULL;
+ }
+
+ PDEBUG(DBG_ISOC, "%s: streaming=stream_off\n", __func__);
+ usbvision->streaming = stream_off;
+
+ if (!usbvision->remove_pending) {
+ /* Set packet size to 0 */
+ usbvision->iface_alt = 0;
+ err_code = usb_set_interface(usbvision->dev, usbvision->iface,
+ usbvision->iface_alt);
+ if (err_code < 0) {
+ dev_err(&usbvision->dev->dev,
+ "%s: usb_set_interface() failed: error %d\n",
+ __func__, err_code);
+ usbvision->last_error = err_code;
+ }
+ reg_value = (16-usbvision_read_reg(usbvision, USBVISION_ALTER_REG)) & 0x0F;
+ usbvision->isoc_packet_size =
+ (reg_value == 0) ? 0 : (reg_value * 64) - 1;
+ PDEBUG(DBG_ISOC, "ISO Packet Length:%d",
+ usbvision->isoc_packet_size);
+
+ usbvision->usb_bandwidth = reg_value >> 1;
+ PDEBUG(DBG_ISOC, "USB Bandwidth Usage: %dMbit/Sec",
+ usbvision->usb_bandwidth);
+ }
+}
+
+int usbvision_muxsel(struct usb_usbvision *usbvision, int channel)
+{
+ /* inputs #0 and #3 are constant for every SAA711x. */
+ /* inputs #1 and #2 are variable for SAA7111 and SAA7113 */
+ int mode[4] = { SAA7115_COMPOSITE0, 0, 0, SAA7115_COMPOSITE3 };
+ int audio[] = { 1, 0, 0, 0 };
+ /* channel 0 is TV with audiochannel 1 (tuner mono) */
+ /* channel 1 is Composite with audio channel 0 (line in) */
+ /* channel 2 is S-Video with audio channel 0 (line in) */
+ /* channel 3 is additional video inputs to the device with audio channel 0 (line in) */
+
+ RESTRICT_TO_RANGE(channel, 0, usbvision->video_inputs);
+ usbvision->ctl_input = channel;
+
+ /* set the new channel */
+ /* Regular USB TV Tuners -> channel: 0 = Television, 1 = Composite, 2 = S-Video */
+ /* Four video input devices -> channel: 0 = Chan White, 1 = Chan Green, 2 = Chan Yellow, 3 = Chan Red */
+
+ switch (usbvision_device_data[usbvision->dev_model].codec) {
+ case CODEC_SAA7113:
+ mode[1] = SAA7115_COMPOSITE2;
+ if (switch_svideo_input) {
+ /* To handle problems with S-Video Input for
+ * some devices. Use switch_svideo_input
+ * parameter when loading the module.*/
+ mode[2] = SAA7115_COMPOSITE1;
+ } else {
+ mode[2] = SAA7115_SVIDEO1;
+ }
+ break;
+ case CODEC_SAA7111:
+ default:
+ /* modes for saa7111 */
+ mode[1] = SAA7115_COMPOSITE1;
+ mode[2] = SAA7115_SVIDEO1;
+ break;
+ }
+ call_all(usbvision, video, s_routing, mode[channel], 0, 0);
+ usbvision_set_audio(usbvision, audio[channel]);
+ return 0;
+}
diff --git a/drivers/media/usb/usbvision/usbvision-i2c.c b/drivers/media/usb/usbvision/usbvision-i2c.c
new file mode 100644
index 000000000..837bd4d9d
--- /dev/null
+++ b/drivers/media/usb/usbvision/usbvision-i2c.c
@@ -0,0 +1,447 @@
+/*
+ * usbvision_i2c.c
+ * i2c algorithm for USB-I2C Bridges
+ *
+ * Copyright (c) 1999-2007 Joerg Heckenbach <joerg@heckenbach-aw.de>
+ * Dwaine Garden <dwainegarden@rogers.com>
+ *
+ * This module is part of usbvision driver project.
+ * Updates to driver completed by Dwaine P. Garden
+ *
+ * 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
+ * (at your option) 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.
+ */
+
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/uaccess.h>
+#include <linux/ioport.h>
+#include <linux/errno.h>
+#include <linux/usb.h>
+#include <linux/i2c.h>
+#include "usbvision.h"
+
+#define DBG_I2C (1 << 0)
+
+static int i2c_debug;
+
+module_param(i2c_debug, int, 0644); /* debug_i2c_usb mode of the device driver */
+MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]");
+
+#define PDEBUG(level, fmt, args...) { \
+ if (i2c_debug & (level)) \
+ printk(KERN_INFO KBUILD_MODNAME ":[%s:%d] " fmt, \
+ __func__, __LINE__ , ## args); \
+ }
+
+static int usbvision_i2c_write(struct usb_usbvision *usbvision, unsigned char addr, char *buf,
+ short len);
+static int usbvision_i2c_read(struct usb_usbvision *usbvision, unsigned char addr, char *buf,
+ short len);
+
+static inline int try_write_address(struct i2c_adapter *i2c_adap,
+ unsigned char addr, int retries)
+{
+ struct usb_usbvision *usbvision;
+ int i, ret = -1;
+ char buf[4];
+
+ usbvision = (struct usb_usbvision *)i2c_get_adapdata(i2c_adap);
+ buf[0] = 0x00;
+ for (i = 0; i <= retries; i++) {
+ ret = (usbvision_i2c_write(usbvision, addr, buf, 1));
+ if (ret == 1)
+ break; /* success! */
+ udelay(5);
+ if (i == retries) /* no success */
+ break;
+ udelay(10);
+ }
+ if (i) {
+ PDEBUG(DBG_I2C, "Needed %d retries for address %#2x", i, addr);
+ PDEBUG(DBG_I2C, "Maybe there's no device at this address");
+ }
+ return ret;
+}
+
+static inline int try_read_address(struct i2c_adapter *i2c_adap,
+ unsigned char addr, int retries)
+{
+ struct usb_usbvision *usbvision;
+ int i, ret = -1;
+ char buf[4];
+
+ usbvision = (struct usb_usbvision *)i2c_get_adapdata(i2c_adap);
+ for (i = 0; i <= retries; i++) {
+ ret = (usbvision_i2c_read(usbvision, addr, buf, 1));
+ if (ret == 1)
+ break; /* success! */
+ udelay(5);
+ if (i == retries) /* no success */
+ break;
+ udelay(10);
+ }
+ if (i) {
+ PDEBUG(DBG_I2C, "Needed %d retries for address %#2x", i, addr);
+ PDEBUG(DBG_I2C, "Maybe there's no device at this address");
+ }
+ return ret;
+}
+
+static inline int usb_find_address(struct i2c_adapter *i2c_adap,
+ struct i2c_msg *msg, int retries,
+ unsigned char *add)
+{
+ unsigned short flags = msg->flags;
+
+ unsigned char addr;
+ int ret;
+
+ addr = (msg->addr << 1);
+ if (flags & I2C_M_RD)
+ addr |= 1;
+
+ add[0] = addr;
+ if (flags & I2C_M_RD)
+ ret = try_read_address(i2c_adap, addr, retries);
+ else
+ ret = try_write_address(i2c_adap, addr, retries);
+
+ if (ret != 1)
+ return -EREMOTEIO;
+
+ return 0;
+}
+
+static int
+usbvision_i2c_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msgs[], int num)
+{
+ struct i2c_msg *pmsg;
+ struct usb_usbvision *usbvision;
+ int i, ret;
+ unsigned char addr = 0;
+
+ usbvision = (struct usb_usbvision *)i2c_get_adapdata(i2c_adap);
+
+ for (i = 0; i < num; i++) {
+ pmsg = &msgs[i];
+ ret = usb_find_address(i2c_adap, pmsg, i2c_adap->retries, &addr);
+ if (ret != 0) {
+ PDEBUG(DBG_I2C, "got NAK from device, message #%d", i);
+ return (ret < 0) ? ret : -EREMOTEIO;
+ }
+
+ if (pmsg->flags & I2C_M_RD) {
+ /* read bytes into buffer */
+ ret = (usbvision_i2c_read(usbvision, addr, pmsg->buf, pmsg->len));
+ if (ret < pmsg->len)
+ return (ret < 0) ? ret : -EREMOTEIO;
+ } else {
+ /* write bytes from buffer */
+ ret = (usbvision_i2c_write(usbvision, addr, pmsg->buf, pmsg->len));
+ if (ret < pmsg->len)
+ return (ret < 0) ? ret : -EREMOTEIO;
+ }
+ }
+ return num;
+}
+
+static u32 functionality(struct i2c_adapter *adap)
+{
+ return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
+}
+
+/* -----exported algorithm data: ------------------------------------- */
+
+static const struct i2c_algorithm usbvision_algo = {
+ .master_xfer = usbvision_i2c_xfer,
+ .smbus_xfer = NULL,
+ .functionality = functionality,
+};
+
+
+/* ----------------------------------------------------------------------- */
+/* usbvision specific I2C functions */
+/* ----------------------------------------------------------------------- */
+static const struct i2c_adapter i2c_adap_template;
+
+int usbvision_i2c_register(struct usb_usbvision *usbvision)
+{
+ static unsigned short saa711x_addrs[] = {
+ 0x4a >> 1, 0x48 >> 1, /* SAA7111, SAA7111A and SAA7113 */
+ 0x42 >> 1, 0x40 >> 1, /* SAA7114, SAA7115 and SAA7118 */
+ I2C_CLIENT_END };
+
+ if (usbvision->registered_i2c)
+ return 0;
+
+ usbvision->i2c_adap = i2c_adap_template;
+
+ snprintf(usbvision->i2c_adap.name, sizeof(usbvision->i2c_adap.name),
+ "usbvision-%d-%s",
+ usbvision->dev->bus->busnum, usbvision->dev->devpath);
+ PDEBUG(DBG_I2C, "Adaptername: %s", usbvision->i2c_adap.name);
+ usbvision->i2c_adap.dev.parent = &usbvision->dev->dev;
+
+ i2c_set_adapdata(&usbvision->i2c_adap, &usbvision->v4l2_dev);
+
+ if (usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_IIC_LRNACK) < 0) {
+ printk(KERN_ERR "usbvision_i2c_register: can't write reg\n");
+ return -EBUSY;
+ }
+
+ PDEBUG(DBG_I2C, "I2C debugging is enabled [i2c]");
+ PDEBUG(DBG_I2C, "ALGO debugging is enabled [i2c]");
+
+ /* register new adapter to i2c module... */
+
+ usbvision->i2c_adap.algo = &usbvision_algo;
+
+ usbvision->i2c_adap.timeout = 100; /* default values, should */
+ usbvision->i2c_adap.retries = 3; /* be replaced by defines */
+
+ i2c_add_adapter(&usbvision->i2c_adap);
+
+ PDEBUG(DBG_I2C, "i2c bus for %s registered", usbvision->i2c_adap.name);
+
+ /* Request the load of the i2c modules we need */
+ switch (usbvision_device_data[usbvision->dev_model].codec) {
+ case CODEC_SAA7113:
+ case CODEC_SAA7111:
+ /* Without this delay the detection of the saa711x is
+ hit-and-miss. */
+ mdelay(10);
+ v4l2_i2c_new_subdev(&usbvision->v4l2_dev,
+ &usbvision->i2c_adap,
+ "saa7115_auto", 0, saa711x_addrs);
+ break;
+ }
+ if (usbvision_device_data[usbvision->dev_model].tuner == 1) {
+ struct v4l2_subdev *sd;
+ enum v4l2_i2c_tuner_type type;
+ struct tuner_setup tun_setup;
+
+ sd = v4l2_i2c_new_subdev(&usbvision->v4l2_dev,
+ &usbvision->i2c_adap,
+ "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_DEMOD));
+ /* depending on whether we found a demod or not, select
+ the tuner type. */
+ type = sd ? ADDRS_TV_WITH_DEMOD : ADDRS_TV;
+
+ sd = v4l2_i2c_new_subdev(&usbvision->v4l2_dev,
+ &usbvision->i2c_adap,
+ "tuner", 0, v4l2_i2c_tuner_addrs(type));
+
+ if (sd == NULL)
+ return -ENODEV;
+ if (usbvision->tuner_type != -1) {
+ tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
+ tun_setup.type = usbvision->tuner_type;
+ tun_setup.addr = v4l2_i2c_subdev_addr(sd);
+ call_all(usbvision, tuner, s_type_addr, &tun_setup);
+ }
+ }
+ usbvision->registered_i2c = 1;
+
+ return 0;
+}
+
+int usbvision_i2c_unregister(struct usb_usbvision *usbvision)
+{
+ if (!usbvision->registered_i2c)
+ return 0;
+
+ i2c_del_adapter(&(usbvision->i2c_adap));
+ usbvision->registered_i2c = 0;
+
+ PDEBUG(DBG_I2C, "i2c bus for %s unregistered", usbvision->i2c_adap.name);
+
+ return 0;
+}
+
+static int
+usbvision_i2c_read_max4(struct usb_usbvision *usbvision, unsigned char addr,
+ char *buf, short len)
+{
+ int rc, retries;
+
+ for (retries = 5;;) {
+ rc = usbvision_write_reg(usbvision, USBVISION_SER_ADRS, addr);
+ if (rc < 0)
+ return rc;
+
+ /* Initiate byte read cycle */
+ /* USBVISION_SER_CONT <- d0-d2 n. of bytes to r/w */
+ /* d3 0=Wr 1=Rd */
+ rc = usbvision_write_reg(usbvision, USBVISION_SER_CONT,
+ (len & 0x07) | 0x18);
+ if (rc < 0)
+ return rc;
+
+ /* Test for Busy and ACK */
+ do {
+ /* USBVISION_SER_CONT -> d4 == 0 busy */
+ rc = usbvision_read_reg(usbvision, USBVISION_SER_CONT);
+ } while (rc > 0 && ((rc & 0x10) != 0)); /* Retry while busy */
+ if (rc < 0)
+ return rc;
+
+ /* USBVISION_SER_CONT -> d5 == 1 Not ack */
+ if ((rc & 0x20) == 0) /* Ack? */
+ break;
+
+ /* I2C abort */
+ rc = usbvision_write_reg(usbvision, USBVISION_SER_CONT, 0x00);
+ if (rc < 0)
+ return rc;
+
+ if (--retries < 0)
+ return -1;
+ }
+
+ switch (len) {
+ case 4:
+ buf[3] = usbvision_read_reg(usbvision, USBVISION_SER_DAT4);
+ /* fall through */
+ case 3:
+ buf[2] = usbvision_read_reg(usbvision, USBVISION_SER_DAT3);
+ /* fall through */
+ case 2:
+ buf[1] = usbvision_read_reg(usbvision, USBVISION_SER_DAT2);
+ /* fall through */
+ case 1:
+ buf[0] = usbvision_read_reg(usbvision, USBVISION_SER_DAT1);
+ break;
+ default:
+ printk(KERN_ERR
+ "usbvision_i2c_read_max4: buffer length > 4\n");
+ }
+
+ if (i2c_debug & DBG_I2C) {
+ int idx;
+
+ for (idx = 0; idx < len; idx++)
+ PDEBUG(DBG_I2C, "read %x from address %x", (unsigned char)buf[idx], addr);
+ }
+ return len;
+}
+
+
+static int usbvision_i2c_write_max4(struct usb_usbvision *usbvision,
+ unsigned char addr, const char *buf,
+ short len)
+{
+ int rc, retries;
+ int i;
+ unsigned char *value = usbvision->ctrl_urb_buffer;
+ unsigned char ser_cont;
+
+ ser_cont = (len & 0x07) | 0x10;
+
+ value[0] = addr;
+ value[1] = ser_cont;
+ for (i = 0; i < len; i++)
+ value[i + 2] = buf[i];
+
+ for (retries = 5;;) {
+ 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_ADRS, value,
+ len + 2, HZ);
+
+ if (rc < 0)
+ return rc;
+
+ rc = usbvision_write_reg(usbvision, USBVISION_SER_CONT,
+ (len & 0x07) | 0x10);
+ if (rc < 0)
+ return rc;
+
+ /* Test for Busy and ACK */
+ do {
+ rc = usbvision_read_reg(usbvision, USBVISION_SER_CONT);
+ } while (rc > 0 && ((rc & 0x10) != 0)); /* Retry while busy */
+ if (rc < 0)
+ return rc;
+
+ if ((rc & 0x20) == 0) /* Ack? */
+ break;
+
+ /* I2C abort */
+ usbvision_write_reg(usbvision, USBVISION_SER_CONT, 0x00);
+
+ if (--retries < 0)
+ return -1;
+
+ }
+
+ if (i2c_debug & DBG_I2C) {
+ int idx;
+
+ for (idx = 0; idx < len; idx++)
+ PDEBUG(DBG_I2C, "wrote %x at address %x", (unsigned char)buf[idx], addr);
+ }
+ return len;
+}
+
+static int usbvision_i2c_write(struct usb_usbvision *usbvision, unsigned char addr, char *buf,
+ short len)
+{
+ char *buf_ptr = buf;
+ int retval;
+ int wrcount = 0;
+ int count;
+ int max_len = 4;
+
+ while (len > 0) {
+ count = (len > max_len) ? max_len : len;
+ retval = usbvision_i2c_write_max4(usbvision, addr, buf_ptr, count);
+ if (retval > 0) {
+ len -= count;
+ buf_ptr += count;
+ wrcount += count;
+ } else
+ return (retval < 0) ? retval : -EFAULT;
+ }
+ return wrcount;
+}
+
+static int usbvision_i2c_read(struct usb_usbvision *usbvision, unsigned char addr, char *buf,
+ short len)
+{
+ char temp[4];
+ int retval, i;
+ int rdcount = 0;
+ int count;
+
+ while (len > 0) {
+ count = (len > 3) ? 4 : len;
+ retval = usbvision_i2c_read_max4(usbvision, addr, temp, count);
+ if (retval > 0) {
+ for (i = 0; i < len; i++)
+ buf[rdcount + i] = temp[i];
+ len -= count;
+ rdcount += count;
+ } else
+ return (retval < 0) ? retval : -EFAULT;
+ }
+ return rdcount;
+}
+
+static const struct i2c_adapter i2c_adap_template = {
+ .owner = THIS_MODULE,
+ .name = "usbvision",
+};
diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c
new file mode 100644
index 000000000..cce29b604
--- /dev/null
+++ b/drivers/media/usb/usbvision/usbvision-video.c
@@ -0,0 +1,1662 @@
+/*
+ * USB USBVISION Video device driver 0.9.10
+ *
+ *
+ *
+ * Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de>
+ *
+ * This module is part of usbvision driver project.
+ *
+ * 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
+ * (at your option) 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.
+ *
+ * Let's call the version 0.... until compression decoding is completely
+ * implemented.
+ *
+ * This driver is written by Jose Ignacio Gijon and Joerg Heckenbach.
+ * It was based on USB CPiA driver written by Peter Pregler,
+ * Scott J. Bertin and Johannes Erdfelt
+ * Ideas are taken from bttv driver by Ralph Metzler, Marcus Metzler &
+ * Gerd Knorr and zoran 36120/36125 driver by Pauline Middelink
+ * Updates to driver completed by Dwaine P. Garden
+ *
+ *
+ * TODO:
+ * - use submit_urb for all setup packets
+ * - Fix memory settings for nt1004. It is 4 times as big as the
+ * nt1003 memory.
+ * - Add audio on endpoint 3 for nt1004 chip.
+ * Seems impossible, needs a codec interface. Which one?
+ * - Clean up the driver.
+ * - optimization for performance.
+ * - Add Videotext capability (VBI). Working on it.....
+ * - Check audio for other devices
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/slab.h>
+#include <linux/mm.h>
+#include <linux/highmem.h>
+#include <linux/vmalloc.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/videodev2.h>
+#include <linux/i2c.h>
+
+#include <media/i2c/saa7115.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-event.h>
+#include <media/tuner.h>
+
+#include <linux/workqueue.h>
+
+#include "usbvision.h"
+#include "usbvision-cards.h"
+
+#define DRIVER_AUTHOR \
+ "Joerg Heckenbach <joerg@heckenbach-aw.de>, " \
+ "Dwaine Garden <DwaineGarden@rogers.com>"
+#define DRIVER_NAME "usbvision"
+#define DRIVER_ALIAS "USBVision"
+#define DRIVER_DESC "USBVision USB Video Device Driver for Linux"
+#define USBVISION_VERSION_STRING "0.9.11"
+
+#define ENABLE_HEXDUMP 0 /* Enable if you need it */
+
+
+#ifdef USBVISION_DEBUG
+ #define PDEBUG(level, fmt, args...) { \
+ if (video_debug & (level)) \
+ printk(KERN_INFO KBUILD_MODNAME ":[%s:%d] " fmt, \
+ __func__, __LINE__ , ## args); \
+ }
+#else
+ #define PDEBUG(level, fmt, args...) do {} while (0)
+#endif
+
+#define DBG_IO (1 << 1)
+#define DBG_PROBE (1 << 2)
+#define DBG_MMAP (1 << 3)
+
+/* String operations */
+#define rmspace(str) while (*str == ' ') str++;
+#define goto2next(str) while (*str != ' ') str++; while (*str == ' ') str++;
+
+
+/* sequential number of usbvision device */
+static int usbvision_nr;
+
+static struct usbvision_v4l2_format_st usbvision_v4l2_format[] = {
+ { 1, 1, 8, V4L2_PIX_FMT_GREY , "GREY" },
+ { 1, 2, 16, V4L2_PIX_FMT_RGB565 , "RGB565" },
+ { 1, 3, 24, V4L2_PIX_FMT_RGB24 , "RGB24" },
+ { 1, 4, 32, V4L2_PIX_FMT_RGB32 , "RGB32" },
+ { 1, 2, 16, V4L2_PIX_FMT_RGB555 , "RGB555" },
+ { 1, 2, 16, V4L2_PIX_FMT_YUYV , "YUV422" },
+ { 1, 2, 12, V4L2_PIX_FMT_YVU420 , "YUV420P" }, /* 1.5 ! */
+ { 1, 2, 16, V4L2_PIX_FMT_YUV422P , "YUV422P" }
+};
+
+/* Function prototypes */
+static void usbvision_release(struct usb_usbvision *usbvision);
+
+/* Default initialization of device driver parameters */
+/* Set the default format for ISOC endpoint */
+static int isoc_mode = ISOC_MODE_COMPRESS;
+/* Set the default Debug Mode of the device driver */
+static int video_debug;
+/* Sequential Number of Video Device */
+static int video_nr = -1;
+/* Sequential Number of Radio Device */
+static int radio_nr = -1;
+
+/* Grab parameters for the device driver */
+
+/* Showing parameters under SYSFS */
+module_param(isoc_mode, int, 0444);
+module_param(video_debug, int, 0444);
+module_param(video_nr, int, 0444);
+module_param(radio_nr, int, 0444);
+
+MODULE_PARM_DESC(isoc_mode, " Set the default format for ISOC endpoint. Default: 0x60 (Compression On)");
+MODULE_PARM_DESC(video_debug, " Set the default Debug Mode of the device driver. Default: 0 (Off)");
+MODULE_PARM_DESC(video_nr, "Set video device number (/dev/videoX). Default: -1 (autodetect)");
+MODULE_PARM_DESC(radio_nr, "Set radio device number (/dev/radioX). Default: -1 (autodetect)");
+
+
+/* Misc stuff */
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
+MODULE_VERSION(USBVISION_VERSION_STRING);
+MODULE_ALIAS(DRIVER_ALIAS);
+
+
+/*****************************************************************************/
+/* SYSFS Code - Copied from the stv680.c usb module. */
+/* Device information is located at /sys/class/video4linux/video0 */
+/* Device parameters information is located at /sys/module/usbvision */
+/* Device USB Information is located at */
+/* /sys/bus/usb/drivers/USBVision Video Grabber */
+/*****************************************************************************/
+
+#define YES_NO(x) ((x) ? "Yes" : "No")
+
+static inline struct usb_usbvision *cd_to_usbvision(struct device *cd)
+{
+ struct video_device *vdev = to_video_device(cd);
+ return video_get_drvdata(vdev);
+}
+
+static ssize_t show_version(struct device *cd,
+ struct device_attribute *attr, char *buf)
+{
+ return sprintf(buf, "%s\n", USBVISION_VERSION_STRING);
+}
+static DEVICE_ATTR(version, S_IRUGO, show_version, NULL);
+
+static ssize_t show_model(struct device *cd,
+ struct device_attribute *attr, char *buf)
+{
+ struct video_device *vdev = to_video_device(cd);
+ struct usb_usbvision *usbvision = video_get_drvdata(vdev);
+ return sprintf(buf, "%s\n",
+ usbvision_device_data[usbvision->dev_model].model_string);
+}
+static DEVICE_ATTR(model, S_IRUGO, show_model, NULL);
+
+static ssize_t show_hue(struct device *cd,
+ struct device_attribute *attr, char *buf)
+{
+ struct video_device *vdev = to_video_device(cd);
+ struct usb_usbvision *usbvision = video_get_drvdata(vdev);
+ s32 val = v4l2_ctrl_g_ctrl(v4l2_ctrl_find(&usbvision->hdl,
+ V4L2_CID_HUE));
+
+ return sprintf(buf, "%d\n", val);
+}
+static DEVICE_ATTR(hue, S_IRUGO, show_hue, NULL);
+
+static ssize_t show_contrast(struct device *cd,
+ struct device_attribute *attr, char *buf)
+{
+ struct video_device *vdev = to_video_device(cd);
+ struct usb_usbvision *usbvision = video_get_drvdata(vdev);
+ s32 val = v4l2_ctrl_g_ctrl(v4l2_ctrl_find(&usbvision->hdl,
+ V4L2_CID_CONTRAST));
+
+ return sprintf(buf, "%d\n", val);
+}
+static DEVICE_ATTR(contrast, S_IRUGO, show_contrast, NULL);
+
+static ssize_t show_brightness(struct device *cd,
+ struct device_attribute *attr, char *buf)
+{
+ struct video_device *vdev = to_video_device(cd);
+ struct usb_usbvision *usbvision = video_get_drvdata(vdev);
+ s32 val = v4l2_ctrl_g_ctrl(v4l2_ctrl_find(&usbvision->hdl,
+ V4L2_CID_BRIGHTNESS));
+
+ return sprintf(buf, "%d\n", val);
+}
+static DEVICE_ATTR(brightness, S_IRUGO, show_brightness, NULL);
+
+static ssize_t show_saturation(struct device *cd,
+ struct device_attribute *attr, char *buf)
+{
+ struct video_device *vdev = to_video_device(cd);
+ struct usb_usbvision *usbvision = video_get_drvdata(vdev);
+ s32 val = v4l2_ctrl_g_ctrl(v4l2_ctrl_find(&usbvision->hdl,
+ V4L2_CID_SATURATION));
+
+ return sprintf(buf, "%d\n", val);
+}
+static DEVICE_ATTR(saturation, S_IRUGO, show_saturation, NULL);
+
+static ssize_t show_streaming(struct device *cd,
+ struct device_attribute *attr, char *buf)
+{
+ struct video_device *vdev = to_video_device(cd);
+ struct usb_usbvision *usbvision = video_get_drvdata(vdev);
+ return sprintf(buf, "%s\n",
+ YES_NO(usbvision->streaming == stream_on ? 1 : 0));
+}
+static DEVICE_ATTR(streaming, S_IRUGO, show_streaming, NULL);
+
+static ssize_t show_compression(struct device *cd,
+ struct device_attribute *attr, char *buf)
+{
+ struct video_device *vdev = to_video_device(cd);
+ struct usb_usbvision *usbvision = video_get_drvdata(vdev);
+ return sprintf(buf, "%s\n",
+ YES_NO(usbvision->isoc_mode == ISOC_MODE_COMPRESS));
+}
+static DEVICE_ATTR(compression, S_IRUGO, show_compression, NULL);
+
+static ssize_t show_device_bridge(struct device *cd,
+ struct device_attribute *attr, char *buf)
+{
+ struct video_device *vdev = to_video_device(cd);
+ struct usb_usbvision *usbvision = video_get_drvdata(vdev);
+ return sprintf(buf, "%d\n", usbvision->bridge_type);
+}
+static DEVICE_ATTR(bridge, S_IRUGO, show_device_bridge, NULL);
+
+static void usbvision_create_sysfs(struct video_device *vdev)
+{
+ int res;
+
+ if (!vdev)
+ return;
+ do {
+ res = device_create_file(&vdev->dev, &dev_attr_version);
+ if (res < 0)
+ break;
+ res = device_create_file(&vdev->dev, &dev_attr_model);
+ if (res < 0)
+ break;
+ res = device_create_file(&vdev->dev, &dev_attr_hue);
+ if (res < 0)
+ break;
+ res = device_create_file(&vdev->dev, &dev_attr_contrast);
+ if (res < 0)
+ break;
+ res = device_create_file(&vdev->dev, &dev_attr_brightness);
+ if (res < 0)
+ break;
+ res = device_create_file(&vdev->dev, &dev_attr_saturation);
+ if (res < 0)
+ break;
+ res = device_create_file(&vdev->dev, &dev_attr_streaming);
+ if (res < 0)
+ break;
+ res = device_create_file(&vdev->dev, &dev_attr_compression);
+ if (res < 0)
+ break;
+ res = device_create_file(&vdev->dev, &dev_attr_bridge);
+ if (res >= 0)
+ return;
+ } while (0);
+
+ dev_err(&vdev->dev, "%s error: %d\n", __func__, res);
+}
+
+static void usbvision_remove_sysfs(struct video_device *vdev)
+{
+ if (vdev) {
+ device_remove_file(&vdev->dev, &dev_attr_version);
+ device_remove_file(&vdev->dev, &dev_attr_model);
+ device_remove_file(&vdev->dev, &dev_attr_hue);
+ device_remove_file(&vdev->dev, &dev_attr_contrast);
+ device_remove_file(&vdev->dev, &dev_attr_brightness);
+ device_remove_file(&vdev->dev, &dev_attr_saturation);
+ device_remove_file(&vdev->dev, &dev_attr_streaming);
+ device_remove_file(&vdev->dev, &dev_attr_compression);
+ device_remove_file(&vdev->dev, &dev_attr_bridge);
+ }
+}
+
+/*
+ * usbvision_open()
+ *
+ * This is part of Video 4 Linux API. The driver can be opened by one
+ * client only (checks internal counter 'usbvision->user'). The procedure
+ * then allocates buffers needed for video processing.
+ *
+ */
+static int usbvision_v4l2_open(struct file *file)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+ int err_code = 0;
+
+ PDEBUG(DBG_IO, "open");
+
+ if (mutex_lock_interruptible(&usbvision->v4l2_lock))
+ return -ERESTARTSYS;
+
+ if (usbvision->remove_pending) {
+ err_code = -ENODEV;
+ goto unlock;
+ }
+ if (usbvision->user) {
+ err_code = -EBUSY;
+ } else {
+ err_code = v4l2_fh_open(file);
+ if (err_code)
+ goto unlock;
+
+ /* Allocate memory for the scratch ring buffer */
+ err_code = usbvision_scratch_alloc(usbvision);
+ if (isoc_mode == ISOC_MODE_COMPRESS) {
+ /* Allocate intermediate decompression buffers
+ only if needed */
+ err_code = usbvision_decompress_alloc(usbvision);
+ }
+ if (err_code) {
+ /* Deallocate all buffers if trouble */
+ usbvision_scratch_free(usbvision);
+ usbvision_decompress_free(usbvision);
+ }
+ }
+
+ /* If so far no errors then we shall start the camera */
+ if (!err_code) {
+ /* Send init sequence only once, it's large! */
+ if (!usbvision->initialized) {
+ int setup_ok = 0;
+ setup_ok = usbvision_setup(usbvision, isoc_mode);
+ if (setup_ok)
+ usbvision->initialized = 1;
+ else
+ err_code = -EBUSY;
+ }
+
+ if (!err_code) {
+ usbvision_begin_streaming(usbvision);
+ err_code = usbvision_init_isoc(usbvision);
+ /* device must be initialized before isoc transfer */
+ usbvision_muxsel(usbvision, 0);
+
+ /* prepare queues */
+ usbvision_empty_framequeues(usbvision);
+ usbvision->user++;
+ }
+ }
+
+unlock:
+ mutex_unlock(&usbvision->v4l2_lock);
+
+ PDEBUG(DBG_IO, "success");
+ return err_code;
+}
+
+/*
+ * usbvision_v4l2_close()
+ *
+ * This is part of Video 4 Linux API. The procedure
+ * stops streaming and deallocates all buffers that were earlier
+ * allocated in usbvision_v4l2_open().
+ *
+ */
+static int usbvision_v4l2_close(struct file *file)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+ int r;
+
+ PDEBUG(DBG_IO, "close");
+
+ mutex_lock(&usbvision->v4l2_lock);
+ usbvision_audio_off(usbvision);
+ usbvision_restart_isoc(usbvision);
+ usbvision_stop_isoc(usbvision);
+
+ usbvision_decompress_free(usbvision);
+ usbvision_frames_free(usbvision);
+ usbvision_empty_framequeues(usbvision);
+ usbvision_scratch_free(usbvision);
+
+ usbvision->user--;
+ r = usbvision->remove_pending;
+ mutex_unlock(&usbvision->v4l2_lock);
+
+ if (r) {
+ printk(KERN_INFO "%s: Final disconnect\n", __func__);
+ usbvision_release(usbvision);
+ return 0;
+ }
+
+ PDEBUG(DBG_IO, "success");
+ return v4l2_fh_release(file);
+}
+
+
+/*
+ * usbvision_ioctl()
+ *
+ * This is part of Video 4 Linux API. The procedure handles ioctl() calls.
+ *
+ */
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+static int vidioc_g_register(struct file *file, void *priv,
+ struct v4l2_dbg_register *reg)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+ int err_code;
+
+ /* NT100x has a 8-bit register space */
+ err_code = usbvision_read_reg(usbvision, reg->reg&0xff);
+ if (err_code < 0) {
+ dev_err(&usbvision->vdev.dev,
+ "%s: VIDIOC_DBG_G_REGISTER failed: error %d\n",
+ __func__, err_code);
+ return err_code;
+ }
+ reg->val = err_code;
+ reg->size = 1;
+ return 0;
+}
+
+static int vidioc_s_register(struct file *file, void *priv,
+ const struct v4l2_dbg_register *reg)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+ int err_code;
+
+ /* NT100x has a 8-bit register space */
+ err_code = usbvision_write_reg(usbvision, reg->reg & 0xff, reg->val);
+ if (err_code < 0) {
+ dev_err(&usbvision->vdev.dev,
+ "%s: VIDIOC_DBG_S_REGISTER failed: error %d\n",
+ __func__, err_code);
+ return err_code;
+ }
+ return 0;
+}
+#endif
+
+static int vidioc_querycap(struct file *file, void *priv,
+ struct v4l2_capability *vc)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+ struct video_device *vdev = video_devdata(file);
+
+ strlcpy(vc->driver, "USBVision", sizeof(vc->driver));
+ strlcpy(vc->card,
+ usbvision_device_data[usbvision->dev_model].model_string,
+ sizeof(vc->card));
+ usb_make_path(usbvision->dev, vc->bus_info, sizeof(vc->bus_info));
+ vc->device_caps = usbvision->have_tuner ? V4L2_CAP_TUNER : 0;
+ if (vdev->vfl_type == VFL_TYPE_GRABBER)
+ vc->device_caps |= V4L2_CAP_VIDEO_CAPTURE |
+ V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
+ else
+ vc->device_caps |= V4L2_CAP_RADIO;
+
+ vc->capabilities = vc->device_caps | V4L2_CAP_VIDEO_CAPTURE |
+ V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_DEVICE_CAPS;
+ if (usbvision_device_data[usbvision->dev_model].radio)
+ vc->capabilities |= V4L2_CAP_RADIO;
+ return 0;
+}
+
+static int vidioc_enum_input(struct file *file, void *priv,
+ struct v4l2_input *vi)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+ int chan;
+
+ if (vi->index >= usbvision->video_inputs)
+ return -EINVAL;
+ if (usbvision->have_tuner)
+ chan = vi->index;
+ else
+ chan = vi->index + 1; /* skip Television string*/
+
+ /* Determine the requested input characteristics
+ specific for each usbvision card model */
+ switch (chan) {
+ case 0:
+ if (usbvision_device_data[usbvision->dev_model].video_channels == 4) {
+ strcpy(vi->name, "White Video Input");
+ } else {
+ strcpy(vi->name, "Television");
+ vi->type = V4L2_INPUT_TYPE_TUNER;
+ vi->tuner = chan;
+ vi->std = USBVISION_NORMS;
+ }
+ break;
+ case 1:
+ vi->type = V4L2_INPUT_TYPE_CAMERA;
+ if (usbvision_device_data[usbvision->dev_model].video_channels == 4)
+ strcpy(vi->name, "Green Video Input");
+ else
+ strcpy(vi->name, "Composite Video Input");
+ vi->std = USBVISION_NORMS;
+ break;
+ case 2:
+ vi->type = V4L2_INPUT_TYPE_CAMERA;
+ if (usbvision_device_data[usbvision->dev_model].video_channels == 4)
+ strcpy(vi->name, "Yellow Video Input");
+ else
+ strcpy(vi->name, "S-Video Input");
+ vi->std = USBVISION_NORMS;
+ break;
+ case 3:
+ vi->type = V4L2_INPUT_TYPE_CAMERA;
+ strcpy(vi->name, "Red Video Input");
+ vi->std = USBVISION_NORMS;
+ break;
+ }
+ return 0;
+}
+
+static int vidioc_g_input(struct file *file, void *priv, unsigned int *input)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+
+ *input = usbvision->ctl_input;
+ return 0;
+}
+
+static int vidioc_s_input(struct file *file, void *priv, unsigned int input)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+
+ if (input >= usbvision->video_inputs)
+ return -EINVAL;
+
+ usbvision_muxsel(usbvision, input);
+ usbvision_set_input(usbvision);
+ usbvision_set_output(usbvision,
+ usbvision->curwidth,
+ usbvision->curheight);
+ return 0;
+}
+
+static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+
+ usbvision->tvnorm_id = id;
+
+ call_all(usbvision, video, s_std, usbvision->tvnorm_id);
+ /* propagate the change to the decoder */
+ usbvision_muxsel(usbvision, usbvision->ctl_input);
+
+ return 0;
+}
+
+static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+
+ *id = usbvision->tvnorm_id;
+ return 0;
+}
+
+static int vidioc_g_tuner(struct file *file, void *priv,
+ struct v4l2_tuner *vt)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+
+ if (vt->index) /* Only tuner 0 */
+ return -EINVAL;
+ if (vt->type == V4L2_TUNER_RADIO)
+ strcpy(vt->name, "Radio");
+ else
+ strcpy(vt->name, "Television");
+
+ /* Let clients fill in the remainder of this struct */
+ call_all(usbvision, tuner, g_tuner, vt);
+
+ return 0;
+}
+
+static int vidioc_s_tuner(struct file *file, void *priv,
+ const struct v4l2_tuner *vt)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+
+ /* Only one tuner for now */
+ if (vt->index)
+ return -EINVAL;
+ /* let clients handle this */
+ call_all(usbvision, tuner, s_tuner, vt);
+
+ return 0;
+}
+
+static int vidioc_g_frequency(struct file *file, void *priv,
+ struct v4l2_frequency *freq)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+
+ /* Only one tuner */
+ if (freq->tuner)
+ return -EINVAL;
+ if (freq->type == V4L2_TUNER_RADIO)
+ freq->frequency = usbvision->radio_freq;
+ else
+ freq->frequency = usbvision->tv_freq;
+
+ return 0;
+}
+
+static int vidioc_s_frequency(struct file *file, void *priv,
+ const struct v4l2_frequency *freq)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+ struct v4l2_frequency new_freq = *freq;
+
+ /* Only one tuner for now */
+ if (freq->tuner)
+ return -EINVAL;
+
+ call_all(usbvision, tuner, s_frequency, freq);
+ call_all(usbvision, tuner, g_frequency, &new_freq);
+ if (freq->type == V4L2_TUNER_RADIO)
+ usbvision->radio_freq = new_freq.frequency;
+ else
+ usbvision->tv_freq = new_freq.frequency;
+
+ return 0;
+}
+
+static int vidioc_reqbufs(struct file *file,
+ void *priv, struct v4l2_requestbuffers *vr)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+ int ret;
+
+ RESTRICT_TO_RANGE(vr->count, 1, USBVISION_NUMFRAMES);
+
+ /* Check input validity:
+ the user must do a VIDEO CAPTURE and MMAP method. */
+ if (vr->memory != V4L2_MEMORY_MMAP)
+ return -EINVAL;
+
+ if (usbvision->streaming == stream_on) {
+ ret = usbvision_stream_interrupt(usbvision);
+ if (ret)
+ return ret;
+ }
+
+ usbvision_frames_free(usbvision);
+ usbvision_empty_framequeues(usbvision);
+ vr->count = usbvision_frames_alloc(usbvision, vr->count);
+
+ usbvision->cur_frame = NULL;
+
+ return 0;
+}
+
+static int vidioc_querybuf(struct file *file,
+ void *priv, struct v4l2_buffer *vb)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+ struct usbvision_frame *frame;
+
+ /* FIXME : must control
+ that buffers are mapped (VIDIOC_REQBUFS has been called) */
+ if (vb->index >= usbvision->num_frames)
+ return -EINVAL;
+ /* Updating the corresponding frame state */
+ vb->flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ frame = &usbvision->frame[vb->index];
+ if (frame->grabstate >= frame_state_ready)
+ vb->flags |= V4L2_BUF_FLAG_QUEUED;
+ if (frame->grabstate >= frame_state_done)
+ vb->flags |= V4L2_BUF_FLAG_DONE;
+ if (frame->grabstate == frame_state_unused)
+ vb->flags |= V4L2_BUF_FLAG_MAPPED;
+ vb->memory = V4L2_MEMORY_MMAP;
+
+ vb->m.offset = vb->index * PAGE_ALIGN(usbvision->max_frame_size);
+
+ vb->memory = V4L2_MEMORY_MMAP;
+ vb->field = V4L2_FIELD_NONE;
+ vb->length = usbvision->curwidth *
+ usbvision->curheight *
+ usbvision->palette.bytes_per_pixel;
+ vb->timestamp = usbvision->frame[vb->index].timestamp;
+ vb->sequence = usbvision->frame[vb->index].sequence;
+ return 0;
+}
+
+static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *vb)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+ struct usbvision_frame *frame;
+ unsigned long lock_flags;
+
+ /* FIXME : works only on VIDEO_CAPTURE MODE, MMAP. */
+ if (vb->index >= usbvision->num_frames)
+ return -EINVAL;
+
+ frame = &usbvision->frame[vb->index];
+
+ if (frame->grabstate != frame_state_unused)
+ return -EAGAIN;
+
+ /* Mark it as ready and enqueue frame */
+ frame->grabstate = frame_state_ready;
+ frame->scanstate = scan_state_scanning;
+ frame->scanlength = 0; /* Accumulated in usbvision_parse_data() */
+
+ vb->flags &= ~V4L2_BUF_FLAG_DONE;
+
+ /* set v4l2_format index */
+ frame->v4l2_format = usbvision->palette;
+
+ spin_lock_irqsave(&usbvision->queue_lock, lock_flags);
+ list_add_tail(&usbvision->frame[vb->index].frame, &usbvision->inqueue);
+ spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags);
+
+ return 0;
+}
+
+static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *vb)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+ int ret;
+ struct usbvision_frame *f;
+ unsigned long lock_flags;
+
+ if (list_empty(&(usbvision->outqueue))) {
+ if (usbvision->streaming == stream_idle)
+ return -EINVAL;
+ ret = wait_event_interruptible
+ (usbvision->wait_frame,
+ !list_empty(&(usbvision->outqueue)));
+ if (ret)
+ return ret;
+ }
+
+ spin_lock_irqsave(&usbvision->queue_lock, lock_flags);
+ f = list_entry(usbvision->outqueue.next,
+ struct usbvision_frame, frame);
+ list_del(usbvision->outqueue.next);
+ spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags);
+
+ f->grabstate = frame_state_unused;
+
+ vb->memory = V4L2_MEMORY_MMAP;
+ vb->flags = V4L2_BUF_FLAG_MAPPED |
+ V4L2_BUF_FLAG_QUEUED |
+ V4L2_BUF_FLAG_DONE |
+ V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ vb->index = f->index;
+ vb->sequence = f->sequence;
+ vb->timestamp = f->timestamp;
+ vb->field = V4L2_FIELD_NONE;
+ vb->bytesused = f->scanlength;
+
+ return 0;
+}
+
+static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+
+ usbvision->streaming = stream_on;
+ call_all(usbvision, video, s_stream, 1);
+
+ return 0;
+}
+
+static int vidioc_streamoff(struct file *file,
+ void *priv, enum v4l2_buf_type type)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+
+ if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return -EINVAL;
+
+ if (usbvision->streaming == stream_on) {
+ usbvision_stream_interrupt(usbvision);
+ /* Stop all video streamings */
+ call_all(usbvision, video, s_stream, 0);
+ }
+ usbvision_empty_framequeues(usbvision);
+
+ return 0;
+}
+
+static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_fmtdesc *vfd)
+{
+ if (vfd->index >= USBVISION_SUPPORTED_PALETTES - 1)
+ return -EINVAL;
+ strcpy(vfd->description, usbvision_v4l2_format[vfd->index].desc);
+ vfd->pixelformat = usbvision_v4l2_format[vfd->index].format;
+ return 0;
+}
+
+static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_format *vf)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+ vf->fmt.pix.width = usbvision->curwidth;
+ vf->fmt.pix.height = usbvision->curheight;
+ vf->fmt.pix.pixelformat = usbvision->palette.format;
+ vf->fmt.pix.bytesperline =
+ usbvision->curwidth * usbvision->palette.bytes_per_pixel;
+ vf->fmt.pix.sizeimage = vf->fmt.pix.bytesperline * usbvision->curheight;
+ vf->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
+ vf->fmt.pix.field = V4L2_FIELD_NONE; /* Always progressive image */
+
+ return 0;
+}
+
+static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_format *vf)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+ int format_idx;
+
+ /* Find requested format in available ones */
+ for (format_idx = 0; format_idx < USBVISION_SUPPORTED_PALETTES; format_idx++) {
+ if (vf->fmt.pix.pixelformat ==
+ usbvision_v4l2_format[format_idx].format) {
+ usbvision->palette = usbvision_v4l2_format[format_idx];
+ break;
+ }
+ }
+ /* robustness */
+ if (format_idx == USBVISION_SUPPORTED_PALETTES)
+ return -EINVAL;
+ RESTRICT_TO_RANGE(vf->fmt.pix.width, MIN_FRAME_WIDTH, MAX_FRAME_WIDTH);
+ RESTRICT_TO_RANGE(vf->fmt.pix.height, MIN_FRAME_HEIGHT, MAX_FRAME_HEIGHT);
+
+ vf->fmt.pix.bytesperline = vf->fmt.pix.width*
+ usbvision->palette.bytes_per_pixel;
+ vf->fmt.pix.sizeimage = vf->fmt.pix.bytesperline*vf->fmt.pix.height;
+ vf->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
+ vf->fmt.pix.field = V4L2_FIELD_NONE; /* Always progressive image */
+
+ return 0;
+}
+
+static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_format *vf)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+ int ret;
+
+ ret = vidioc_try_fmt_vid_cap(file, priv, vf);
+ if (ret)
+ return ret;
+
+ /* stop io in case it is already in progress */
+ if (usbvision->streaming == stream_on) {
+ ret = usbvision_stream_interrupt(usbvision);
+ if (ret)
+ return ret;
+ }
+ usbvision_frames_free(usbvision);
+ usbvision_empty_framequeues(usbvision);
+
+ usbvision->cur_frame = NULL;
+
+ /* by now we are committed to the new data... */
+ usbvision_set_output(usbvision, vf->fmt.pix.width, vf->fmt.pix.height);
+
+ return 0;
+}
+
+static ssize_t usbvision_read(struct file *file, char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+ int noblock = file->f_flags & O_NONBLOCK;
+ unsigned long lock_flags;
+ int ret, i;
+ struct usbvision_frame *frame;
+
+ PDEBUG(DBG_IO, "%s: %ld bytes, noblock=%d", __func__,
+ (unsigned long)count, noblock);
+
+ if (!USBVISION_IS_OPERATIONAL(usbvision) || !buf)
+ return -EFAULT;
+
+ /* This entry point is compatible with the mmap routines
+ so that a user can do either VIDIOC_QBUF/VIDIOC_DQBUF
+ to get frames or call read on the device. */
+ if (!usbvision->num_frames) {
+ /* First, allocate some frames to work with
+ if this has not been done with VIDIOC_REQBUF */
+ usbvision_frames_free(usbvision);
+ usbvision_empty_framequeues(usbvision);
+ usbvision_frames_alloc(usbvision, USBVISION_NUMFRAMES);
+ }
+
+ if (usbvision->streaming != stream_on) {
+ /* no stream is running, make it running ! */
+ usbvision->streaming = stream_on;
+ call_all(usbvision, video, s_stream, 1);
+ }
+
+ /* Then, enqueue as many frames as possible
+ (like a user of VIDIOC_QBUF would do) */
+ for (i = 0; i < usbvision->num_frames; i++) {
+ frame = &usbvision->frame[i];
+ if (frame->grabstate == frame_state_unused) {
+ /* Mark it as ready and enqueue frame */
+ frame->grabstate = frame_state_ready;
+ frame->scanstate = scan_state_scanning;
+ /* Accumulated in usbvision_parse_data() */
+ frame->scanlength = 0;
+
+ /* set v4l2_format index */
+ frame->v4l2_format = usbvision->palette;
+
+ spin_lock_irqsave(&usbvision->queue_lock, lock_flags);
+ list_add_tail(&frame->frame, &usbvision->inqueue);
+ spin_unlock_irqrestore(&usbvision->queue_lock,
+ lock_flags);
+ }
+ }
+
+ /* Then try to steal a frame (like a VIDIOC_DQBUF would do) */
+ if (list_empty(&(usbvision->outqueue))) {
+ if (noblock)
+ return -EAGAIN;
+
+ ret = wait_event_interruptible
+ (usbvision->wait_frame,
+ !list_empty(&(usbvision->outqueue)));
+ if (ret)
+ return ret;
+ }
+
+ spin_lock_irqsave(&usbvision->queue_lock, lock_flags);
+ frame = list_entry(usbvision->outqueue.next,
+ struct usbvision_frame, frame);
+ list_del(usbvision->outqueue.next);
+ spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags);
+
+ /* An error returns an empty frame */
+ if (frame->grabstate == frame_state_error) {
+ frame->bytes_read = 0;
+ return 0;
+ }
+
+ PDEBUG(DBG_IO, "%s: frmx=%d, bytes_read=%ld, scanlength=%ld",
+ __func__,
+ frame->index, frame->bytes_read, frame->scanlength);
+
+ /* copy bytes to user space; we allow for partials reads */
+ if ((count + frame->bytes_read) > (unsigned long)frame->scanlength)
+ count = frame->scanlength - frame->bytes_read;
+
+ if (copy_to_user(buf, frame->data + frame->bytes_read, count))
+ return -EFAULT;
+
+ frame->bytes_read += count;
+ PDEBUG(DBG_IO, "%s: {copy} count used=%ld, new bytes_read=%ld",
+ __func__,
+ (unsigned long)count, frame->bytes_read);
+
+#if 1
+ /*
+ * FIXME:
+ * For now, forget the frame if it has not been read in one shot.
+ */
+ frame->bytes_read = 0;
+
+ /* Mark it as available to be used again. */
+ frame->grabstate = frame_state_unused;
+#else
+ if (frame->bytes_read >= frame->scanlength) {
+ /* All data has been read */
+ frame->bytes_read = 0;
+
+ /* Mark it as available to be used again. */
+ frame->grabstate = frame_state_unused;
+ }
+#endif
+
+ return count;
+}
+
+static ssize_t usbvision_v4l2_read(struct file *file, char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+ int res;
+
+ if (mutex_lock_interruptible(&usbvision->v4l2_lock))
+ return -ERESTARTSYS;
+ res = usbvision_read(file, buf, count, ppos);
+ mutex_unlock(&usbvision->v4l2_lock);
+ return res;
+}
+
+static int usbvision_mmap(struct file *file, struct vm_area_struct *vma)
+{
+ unsigned long size = vma->vm_end - vma->vm_start,
+ start = vma->vm_start;
+ void *pos;
+ u32 i;
+ struct usb_usbvision *usbvision = video_drvdata(file);
+
+ PDEBUG(DBG_MMAP, "mmap");
+
+ if (!USBVISION_IS_OPERATIONAL(usbvision))
+ return -EFAULT;
+
+ if (!(vma->vm_flags & VM_WRITE) ||
+ size != PAGE_ALIGN(usbvision->max_frame_size)) {
+ return -EINVAL;
+ }
+
+ for (i = 0; i < usbvision->num_frames; i++) {
+ if (((PAGE_ALIGN(usbvision->max_frame_size)*i) >> PAGE_SHIFT) ==
+ vma->vm_pgoff)
+ break;
+ }
+ if (i == usbvision->num_frames) {
+ PDEBUG(DBG_MMAP,
+ "mmap: user supplied mapping address is out of range");
+ return -EINVAL;
+ }
+
+ /* VM_IO is eventually going to replace PageReserved altogether */
+ vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP;
+
+ pos = usbvision->frame[i].data;
+ while (size > 0) {
+ if (vm_insert_page(vma, start, vmalloc_to_page(pos))) {
+ PDEBUG(DBG_MMAP, "mmap: vm_insert_page failed");
+ return -EAGAIN;
+ }
+ start += PAGE_SIZE;
+ pos += PAGE_SIZE;
+ size -= PAGE_SIZE;
+ }
+
+ return 0;
+}
+
+static int usbvision_v4l2_mmap(struct file *file, struct vm_area_struct *vma)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+ int res;
+
+ if (mutex_lock_interruptible(&usbvision->v4l2_lock))
+ return -ERESTARTSYS;
+ res = usbvision_mmap(file, vma);
+ mutex_unlock(&usbvision->v4l2_lock);
+ return res;
+}
+
+/*
+ * Here comes the stuff for radio on usbvision based devices
+ *
+ */
+static int usbvision_radio_open(struct file *file)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+ int err_code = 0;
+
+ PDEBUG(DBG_IO, "%s:", __func__);
+
+ if (mutex_lock_interruptible(&usbvision->v4l2_lock))
+ return -ERESTARTSYS;
+
+ if (usbvision->remove_pending) {
+ err_code = -ENODEV;
+ goto out;
+ }
+ err_code = v4l2_fh_open(file);
+ if (err_code)
+ goto out;
+ if (usbvision->user) {
+ dev_err(&usbvision->rdev.dev,
+ "%s: Someone tried to open an already opened USBVision Radio!\n",
+ __func__);
+ err_code = -EBUSY;
+ } else {
+ /* Alternate interface 1 is is the biggest frame size */
+ err_code = usbvision_set_alternate(usbvision);
+ if (err_code < 0) {
+ usbvision->last_error = err_code;
+ err_code = -EBUSY;
+ goto out;
+ }
+
+ /* If so far no errors then we shall start the radio */
+ usbvision->radio = 1;
+ call_all(usbvision, tuner, s_radio);
+ usbvision_set_audio(usbvision, USBVISION_AUDIO_RADIO);
+ usbvision->user++;
+ }
+out:
+ mutex_unlock(&usbvision->v4l2_lock);
+ return err_code;
+}
+
+
+static int usbvision_radio_close(struct file *file)
+{
+ struct usb_usbvision *usbvision = video_drvdata(file);
+ int r;
+
+ PDEBUG(DBG_IO, "");
+
+ mutex_lock(&usbvision->v4l2_lock);
+ /* Set packet size to 0 */
+ usbvision->iface_alt = 0;
+ usb_set_interface(usbvision->dev, usbvision->iface,
+ usbvision->iface_alt);
+
+ usbvision_audio_off(usbvision);
+ usbvision->radio = 0;
+ usbvision->user--;
+ r = usbvision->remove_pending;
+ mutex_unlock(&usbvision->v4l2_lock);
+
+ if (r) {
+ printk(KERN_INFO "%s: Final disconnect\n", __func__);
+ v4l2_fh_release(file);
+ usbvision_release(usbvision);
+ return 0;
+ }
+
+ PDEBUG(DBG_IO, "success");
+ return v4l2_fh_release(file);
+}
+
+/* Video registration stuff */
+
+/* Video template */
+static const struct v4l2_file_operations usbvision_fops = {
+ .owner = THIS_MODULE,
+ .open = usbvision_v4l2_open,
+ .release = usbvision_v4l2_close,
+ .read = usbvision_v4l2_read,
+ .mmap = usbvision_v4l2_mmap,
+ .unlocked_ioctl = video_ioctl2,
+};
+
+static const struct v4l2_ioctl_ops usbvision_ioctl_ops = {
+ .vidioc_querycap = vidioc_querycap,
+ .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
+ .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
+ .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
+ .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
+ .vidioc_reqbufs = vidioc_reqbufs,
+ .vidioc_querybuf = vidioc_querybuf,
+ .vidioc_qbuf = vidioc_qbuf,
+ .vidioc_dqbuf = vidioc_dqbuf,
+ .vidioc_s_std = vidioc_s_std,
+ .vidioc_g_std = vidioc_g_std,
+ .vidioc_enum_input = vidioc_enum_input,
+ .vidioc_g_input = vidioc_g_input,
+ .vidioc_s_input = vidioc_s_input,
+ .vidioc_streamon = vidioc_streamon,
+ .vidioc_streamoff = vidioc_streamoff,
+ .vidioc_g_tuner = vidioc_g_tuner,
+ .vidioc_s_tuner = vidioc_s_tuner,
+ .vidioc_g_frequency = vidioc_g_frequency,
+ .vidioc_s_frequency = vidioc_s_frequency,
+ .vidioc_log_status = v4l2_ctrl_log_status,
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ .vidioc_g_register = vidioc_g_register,
+ .vidioc_s_register = vidioc_s_register,
+#endif
+};
+
+static struct video_device usbvision_video_template = {
+ .fops = &usbvision_fops,
+ .ioctl_ops = &usbvision_ioctl_ops,
+ .name = "usbvision-video",
+ .release = video_device_release_empty,
+ .tvnorms = USBVISION_NORMS,
+};
+
+
+/* Radio template */
+static const struct v4l2_file_operations usbvision_radio_fops = {
+ .owner = THIS_MODULE,
+ .open = usbvision_radio_open,
+ .release = usbvision_radio_close,
+ .poll = v4l2_ctrl_poll,
+ .unlocked_ioctl = video_ioctl2,
+};
+
+static const struct v4l2_ioctl_ops usbvision_radio_ioctl_ops = {
+ .vidioc_querycap = vidioc_querycap,
+ .vidioc_g_tuner = vidioc_g_tuner,
+ .vidioc_s_tuner = vidioc_s_tuner,
+ .vidioc_g_frequency = vidioc_g_frequency,
+ .vidioc_s_frequency = vidioc_s_frequency,
+ .vidioc_log_status = v4l2_ctrl_log_status,
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+};
+
+static struct video_device usbvision_radio_template = {
+ .fops = &usbvision_radio_fops,
+ .name = "usbvision-radio",
+ .release = video_device_release_empty,
+ .ioctl_ops = &usbvision_radio_ioctl_ops,
+};
+
+
+static void usbvision_vdev_init(struct usb_usbvision *usbvision,
+ struct video_device *vdev,
+ const struct video_device *vdev_template,
+ const char *name)
+{
+ struct usb_device *usb_dev = usbvision->dev;
+
+ if (!usb_dev) {
+ dev_err(&usbvision->dev->dev,
+ "%s: usbvision->dev is not set\n", __func__);
+ return;
+ }
+
+ *vdev = *vdev_template;
+ vdev->lock = &usbvision->v4l2_lock;
+ vdev->v4l2_dev = &usbvision->v4l2_dev;
+ snprintf(vdev->name, sizeof(vdev->name), "%s", name);
+ video_set_drvdata(vdev, usbvision);
+}
+
+/* unregister video4linux devices */
+static void usbvision_unregister_video(struct usb_usbvision *usbvision)
+{
+ /* Radio Device: */
+ if (video_is_registered(&usbvision->rdev)) {
+ PDEBUG(DBG_PROBE, "unregister %s [v4l2]",
+ video_device_node_name(&usbvision->rdev));
+ video_unregister_device(&usbvision->rdev);
+ }
+
+ /* Video Device: */
+ if (video_is_registered(&usbvision->vdev)) {
+ PDEBUG(DBG_PROBE, "unregister %s [v4l2]",
+ video_device_node_name(&usbvision->vdev));
+ video_unregister_device(&usbvision->vdev);
+ }
+}
+
+/* register video4linux devices */
+static int usbvision_register_video(struct usb_usbvision *usbvision)
+{
+ int res = -ENOMEM;
+
+ /* Video Device: */
+ usbvision_vdev_init(usbvision, &usbvision->vdev,
+ &usbvision_video_template, "USBVision Video");
+ if (!usbvision->have_tuner) {
+ v4l2_disable_ioctl(&usbvision->vdev, VIDIOC_G_FREQUENCY);
+ v4l2_disable_ioctl(&usbvision->vdev, VIDIOC_S_TUNER);
+ v4l2_disable_ioctl(&usbvision->vdev, VIDIOC_G_FREQUENCY);
+ v4l2_disable_ioctl(&usbvision->vdev, VIDIOC_S_TUNER);
+ }
+ if (video_register_device(&usbvision->vdev, VFL_TYPE_GRABBER, video_nr) < 0)
+ goto err_exit;
+ printk(KERN_INFO "USBVision[%d]: registered USBVision Video device %s [v4l2]\n",
+ usbvision->nr, video_device_node_name(&usbvision->vdev));
+
+ /* Radio Device: */
+ if (usbvision_device_data[usbvision->dev_model].radio) {
+ /* usbvision has radio */
+ usbvision_vdev_init(usbvision, &usbvision->rdev,
+ &usbvision_radio_template, "USBVision Radio");
+ if (video_register_device(&usbvision->rdev, VFL_TYPE_RADIO, radio_nr) < 0)
+ goto err_exit;
+ printk(KERN_INFO "USBVision[%d]: registered USBVision Radio device %s [v4l2]\n",
+ usbvision->nr, video_device_node_name(&usbvision->rdev));
+ }
+ /* all done */
+ return 0;
+
+ err_exit:
+ dev_err(&usbvision->dev->dev,
+ "USBVision[%d]: video_register_device() failed\n",
+ usbvision->nr);
+ usbvision_unregister_video(usbvision);
+ return res;
+}
+
+/*
+ * usbvision_alloc()
+ *
+ * This code allocates the struct usb_usbvision.
+ * It is filled with default values.
+ *
+ * Returns NULL on error, a pointer to usb_usbvision else.
+ *
+ */
+static struct usb_usbvision *usbvision_alloc(struct usb_device *dev,
+ struct usb_interface *intf)
+{
+ struct usb_usbvision *usbvision;
+
+ usbvision = kzalloc(sizeof(*usbvision), GFP_KERNEL);
+ if (!usbvision)
+ return NULL;
+
+ usbvision->dev = dev;
+ if (v4l2_device_register(&intf->dev, &usbvision->v4l2_dev))
+ goto err_free;
+
+ if (v4l2_ctrl_handler_init(&usbvision->hdl, 4))
+ goto err_unreg;
+ usbvision->v4l2_dev.ctrl_handler = &usbvision->hdl;
+ mutex_init(&usbvision->v4l2_lock);
+
+ /* prepare control urb for control messages during interrupts */
+ usbvision->ctrl_urb = usb_alloc_urb(USBVISION_URB_FRAMES, GFP_KERNEL);
+ if (!usbvision->ctrl_urb)
+ goto err_unreg;
+
+ return usbvision;
+
+err_unreg:
+ v4l2_ctrl_handler_free(&usbvision->hdl);
+ v4l2_device_unregister(&usbvision->v4l2_dev);
+err_free:
+ kfree(usbvision);
+ return NULL;
+}
+
+/*
+ * usbvision_release()
+ *
+ * This code does final release of struct usb_usbvision. This happens
+ * after the device is disconnected -and- all clients closed their files.
+ *
+ */
+static void usbvision_release(struct usb_usbvision *usbvision)
+{
+ PDEBUG(DBG_PROBE, "");
+
+ usbvision->initialized = 0;
+
+ usbvision_remove_sysfs(&usbvision->vdev);
+ usbvision_unregister_video(usbvision);
+ kfree(usbvision->alt_max_pkt_size);
+
+ usb_free_urb(usbvision->ctrl_urb);
+
+ v4l2_ctrl_handler_free(&usbvision->hdl);
+ v4l2_device_unregister(&usbvision->v4l2_dev);
+ kfree(usbvision);
+
+ PDEBUG(DBG_PROBE, "success");
+}
+
+
+/*********************** usb interface **********************************/
+
+static void usbvision_configure_video(struct usb_usbvision *usbvision)
+{
+ int model;
+
+ if (!usbvision)
+ return;
+
+ model = usbvision->dev_model;
+ usbvision->palette = usbvision_v4l2_format[2]; /* V4L2_PIX_FMT_RGB24; */
+
+ if (usbvision_device_data[usbvision->dev_model].vin_reg2_override) {
+ usbvision->vin_reg2_preset =
+ usbvision_device_data[usbvision->dev_model].vin_reg2;
+ } else {
+ usbvision->vin_reg2_preset = 0;
+ }
+
+ usbvision->tvnorm_id = usbvision_device_data[model].video_norm;
+ usbvision->video_inputs = usbvision_device_data[model].video_channels;
+ usbvision->ctl_input = 0;
+ usbvision->radio_freq = 87.5 * 16000;
+ usbvision->tv_freq = 400 * 16;
+
+ /* This should be here to make i2c clients to be able to register */
+ /* first switch off audio */
+ if (usbvision_device_data[model].audio_channels > 0)
+ usbvision_audio_off(usbvision);
+ /* and then power up the tuner */
+ usbvision_power_on(usbvision);
+ usbvision_i2c_register(usbvision);
+}
+
+/*
+ * usbvision_probe()
+ *
+ * This procedure queries device descriptor and accepts the interface
+ * if it looks like USBVISION video device
+ *
+ */
+static int usbvision_probe(struct usb_interface *intf,
+ const struct usb_device_id *devid)
+{
+ struct usb_device *dev = usb_get_dev(interface_to_usbdev(intf));
+ struct usb_interface *uif;
+ __u8 ifnum = intf->altsetting->desc.bInterfaceNumber;
+ const struct usb_host_interface *interface;
+ struct usb_usbvision *usbvision = NULL;
+ const struct usb_endpoint_descriptor *endpoint;
+ int model, i, ret;
+
+ PDEBUG(DBG_PROBE, "VID=%#04x, PID=%#04x, ifnum=%u",
+ le16_to_cpu(dev->descriptor.idVendor),
+ le16_to_cpu(dev->descriptor.idProduct), ifnum);
+
+ model = devid->driver_info;
+ if (model < 0 || model >= usbvision_device_data_size) {
+ PDEBUG(DBG_PROBE, "model out of bounds %d", model);
+ ret = -ENODEV;
+ goto err_usb;
+ }
+ printk(KERN_INFO "%s: %s found\n", __func__,
+ usbvision_device_data[model].model_string);
+
+ if (usbvision_device_data[model].interface >= 0)
+ interface = &dev->actconfig->interface[usbvision_device_data[model].interface]->altsetting[0];
+ else if (ifnum < dev->actconfig->desc.bNumInterfaces)
+ interface = &dev->actconfig->interface[ifnum]->altsetting[0];
+ else {
+ dev_err(&intf->dev, "interface %d is invalid, max is %d\n",
+ ifnum, dev->actconfig->desc.bNumInterfaces - 1);
+ ret = -ENODEV;
+ goto err_usb;
+ }
+
+ if (interface->desc.bNumEndpoints < 2) {
+ dev_err(&intf->dev, "interface %d has %d endpoints, but must have minimum 2\n",
+ ifnum, interface->desc.bNumEndpoints);
+ ret = -ENODEV;
+ goto err_usb;
+ }
+ endpoint = &interface->endpoint[1].desc;
+
+ if (!usb_endpoint_xfer_isoc(endpoint)) {
+ dev_err(&intf->dev, "%s: interface %d. has non-ISO endpoint!\n",
+ __func__, ifnum);
+ dev_err(&intf->dev, "%s: Endpoint attributes %d",
+ __func__, endpoint->bmAttributes);
+ ret = -ENODEV;
+ goto err_usb;
+ }
+ if (usb_endpoint_dir_out(endpoint)) {
+ dev_err(&intf->dev, "%s: interface %d. has ISO OUT endpoint!\n",
+ __func__, ifnum);
+ ret = -ENODEV;
+ goto err_usb;
+ }
+
+ usbvision = usbvision_alloc(dev, intf);
+ if (!usbvision) {
+ dev_err(&intf->dev, "%s: couldn't allocate USBVision struct\n", __func__);
+ ret = -ENOMEM;
+ goto err_usb;
+ }
+
+ if (dev->descriptor.bNumConfigurations > 1)
+ usbvision->bridge_type = BRIDGE_NT1004;
+ else if (model == DAZZLE_DVC_90_REV_1_SECAM)
+ usbvision->bridge_type = BRIDGE_NT1005;
+ else
+ usbvision->bridge_type = BRIDGE_NT1003;
+ PDEBUG(DBG_PROBE, "bridge_type %d", usbvision->bridge_type);
+
+ /* compute alternate max packet sizes */
+ uif = dev->actconfig->interface[0];
+
+ usbvision->num_alt = uif->num_altsetting;
+ PDEBUG(DBG_PROBE, "Alternate settings: %i", usbvision->num_alt);
+ usbvision->alt_max_pkt_size = kmalloc_array(32, usbvision->num_alt,
+ GFP_KERNEL);
+ if (!usbvision->alt_max_pkt_size) {
+ ret = -ENOMEM;
+ goto err_pkt;
+ }
+
+ for (i = 0; i < usbvision->num_alt; i++) {
+ u16 tmp;
+
+ if (uif->altsetting[i].desc.bNumEndpoints < 2) {
+ ret = -ENODEV;
+ goto err_pkt;
+ }
+
+ tmp = le16_to_cpu(uif->altsetting[i].endpoint[1].desc.
+ wMaxPacketSize);
+ usbvision->alt_max_pkt_size[i] =
+ (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
+ PDEBUG(DBG_PROBE, "Alternate setting %i, max size= %i", i,
+ usbvision->alt_max_pkt_size[i]);
+ }
+
+
+ usbvision->nr = usbvision_nr++;
+
+ spin_lock_init(&usbvision->queue_lock);
+ init_waitqueue_head(&usbvision->wait_frame);
+ init_waitqueue_head(&usbvision->wait_stream);
+
+ usbvision->have_tuner = usbvision_device_data[model].tuner;
+ if (usbvision->have_tuner)
+ usbvision->tuner_type = usbvision_device_data[model].tuner_type;
+
+ usbvision->dev_model = model;
+ usbvision->remove_pending = 0;
+ usbvision->iface = ifnum;
+ usbvision->iface_alt = 0;
+ usbvision->video_endp = endpoint->bEndpointAddress;
+ usbvision->isoc_packet_size = 0;
+ usbvision->usb_bandwidth = 0;
+ usbvision->user = 0;
+ usbvision->streaming = stream_off;
+ usbvision_configure_video(usbvision);
+ usbvision_register_video(usbvision);
+
+ usbvision_create_sysfs(&usbvision->vdev);
+
+ PDEBUG(DBG_PROBE, "success");
+ return 0;
+
+err_pkt:
+ usbvision_release(usbvision);
+err_usb:
+ usb_put_dev(dev);
+ return ret;
+}
+
+
+/*
+ * usbvision_disconnect()
+ *
+ * This procedure stops all driver activity, deallocates interface-private
+ * structure (pointed by 'ptr') and after that driver should be removable
+ * with no ill consequences.
+ *
+ */
+static void usbvision_disconnect(struct usb_interface *intf)
+{
+ struct usb_usbvision *usbvision = to_usbvision(usb_get_intfdata(intf));
+ int u;
+
+ PDEBUG(DBG_PROBE, "");
+
+ if (!usbvision) {
+ pr_err("%s: usb_get_intfdata() failed\n", __func__);
+ return;
+ }
+
+ mutex_lock(&usbvision->v4l2_lock);
+
+ /* At this time we ask to cancel outstanding URBs */
+ usbvision_stop_isoc(usbvision);
+
+ v4l2_device_disconnect(&usbvision->v4l2_dev);
+ usbvision_i2c_unregister(usbvision);
+ usbvision->remove_pending = 1; /* Now all ISO data will be ignored */
+ u = usbvision->user;
+
+ usb_put_dev(usbvision->dev);
+ usbvision->dev = NULL; /* USB device is no more */
+
+ mutex_unlock(&usbvision->v4l2_lock);
+
+ if (u) {
+ printk(KERN_INFO "%s: In use, disconnect pending\n",
+ __func__);
+ wake_up_interruptible(&usbvision->wait_frame);
+ wake_up_interruptible(&usbvision->wait_stream);
+ } else {
+ usbvision_release(usbvision);
+ }
+
+ PDEBUG(DBG_PROBE, "success");
+}
+
+static struct usb_driver usbvision_driver = {
+ .name = "usbvision",
+ .id_table = usbvision_table,
+ .probe = usbvision_probe,
+ .disconnect = usbvision_disconnect,
+};
+
+/*
+ * usbvision_init()
+ *
+ * This code is run to initialize the driver.
+ *
+ */
+static int __init usbvision_init(void)
+{
+ int err_code;
+
+ PDEBUG(DBG_PROBE, "");
+
+ PDEBUG(DBG_IO, "IO debugging is enabled [video]");
+ PDEBUG(DBG_PROBE, "PROBE debugging is enabled [video]");
+ PDEBUG(DBG_MMAP, "MMAP debugging is enabled [video]");
+
+ /* disable planar mode support unless compression enabled */
+ if (isoc_mode != ISOC_MODE_COMPRESS) {
+ /* FIXME : not the right way to set supported flag */
+ usbvision_v4l2_format[6].supported = 0; /* V4L2_PIX_FMT_YVU420 */
+ usbvision_v4l2_format[7].supported = 0; /* V4L2_PIX_FMT_YUV422P */
+ }
+
+ err_code = usb_register(&usbvision_driver);
+
+ if (err_code == 0) {
+ printk(KERN_INFO DRIVER_DESC " : " USBVISION_VERSION_STRING "\n");
+ PDEBUG(DBG_PROBE, "success");
+ }
+ return err_code;
+}
+
+static void __exit usbvision_exit(void)
+{
+ PDEBUG(DBG_PROBE, "");
+
+ usb_deregister(&usbvision_driver);
+ PDEBUG(DBG_PROBE, "success");
+}
+
+module_init(usbvision_init);
+module_exit(usbvision_exit);
diff --git a/drivers/media/usb/usbvision/usbvision.h b/drivers/media/usb/usbvision/usbvision.h
new file mode 100644
index 000000000..6ecdcd582
--- /dev/null
+++ b/drivers/media/usb/usbvision/usbvision.h
@@ -0,0 +1,512 @@
+/*
+ * USBVISION.H
+ * usbvision header file
+ *
+ * Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de>
+ * Dwaine Garden <dwainegarden@rogers.com>
+ *
+ *
+ * Report problems to v4l MailingList: linux-media@vger.kernel.org
+ *
+ * This module is part of usbvision driver project.
+ * Updates to driver completed by Dwaine P. Garden
+ * v4l2 conversion by Thierry Merle <thierry.merle@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
+ * (at your option) 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.
+ */
+
+
+#ifndef __LINUX_USBVISION_H
+#define __LINUX_USBVISION_H
+
+#include <linux/list.h>
+#include <linux/usb.h>
+#include <linux/i2c.h>
+#include <linux/mutex.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-ctrls.h>
+#include <media/tuner.h>
+#include <linux/videodev2.h>
+
+#define USBVISION_DEBUG /* Turn on debug messages */
+
+#define USBVISION_PWR_REG 0x00
+ #define USBVISION_SSPND_EN (1 << 1)
+ #define USBVISION_RES2 (1 << 2)
+ #define USBVISION_PWR_VID (1 << 5)
+ #define USBVISION_E2_EN (1 << 7)
+#define USBVISION_CONFIG_REG 0x01
+#define USBVISION_ADRS_REG 0x02
+#define USBVISION_ALTER_REG 0x03
+#define USBVISION_FORCE_ALTER_REG 0x04
+#define USBVISION_STATUS_REG 0x05
+#define USBVISION_IOPIN_REG 0x06
+ #define USBVISION_IO_1 (1 << 0)
+ #define USBVISION_IO_2 (1 << 1)
+ #define USBVISION_AUDIO_IN 0
+ #define USBVISION_AUDIO_TV 1
+ #define USBVISION_AUDIO_RADIO 2
+ #define USBVISION_AUDIO_MUTE 3
+#define USBVISION_SER_MODE 0x07
+ #define USBVISION_CLK_OUT (1 << 0)
+ #define USBVISION_DAT_IO (1 << 1)
+ #define USBVISION_SENS_OUT (1 << 2)
+ #define USBVISION_SER_MODE_SOFT (0 << 4)
+ #define USBVISION_SER_MODE_SIO (1 << 4)
+#define USBVISION_SER_ADRS 0x08
+#define USBVISION_SER_CONT 0x09
+#define USBVISION_SER_DAT1 0x0A
+#define USBVISION_SER_DAT2 0x0B
+#define USBVISION_SER_DAT3 0x0C
+#define USBVISION_SER_DAT4 0x0D
+#define USBVISION_EE_DATA 0x0E
+#define USBVISION_EE_LSBAD 0x0F
+#define USBVISION_EE_CONT 0x10
+#define USBVISION_DRM_CONT 0x12
+ #define USBVISION_REF (1 << 0)
+ #define USBVISION_RES_UR (1 << 2)
+ #define USBVISION_RES_FDL (1 << 3)
+ #define USBVISION_RES_VDW (1 << 4)
+#define USBVISION_DRM_PRM1 0x13
+#define USBVISION_DRM_PRM2 0x14
+#define USBVISION_DRM_PRM3 0x15
+#define USBVISION_DRM_PRM4 0x16
+#define USBVISION_DRM_PRM5 0x17
+#define USBVISION_DRM_PRM6 0x18
+#define USBVISION_DRM_PRM7 0x19
+#define USBVISION_DRM_PRM8 0x1A
+#define USBVISION_VIN_REG1 0x1B
+ #define USBVISION_8_422_SYNC 0x01
+ #define USBVISION_16_422_SYNC 0x02
+ #define USBVISION_VSNC_POL (1 << 3)
+ #define USBVISION_HSNC_POL (1 << 4)
+ #define USBVISION_FID_POL (1 << 5)
+ #define USBVISION_HVALID_PO (1 << 6)
+ #define USBVISION_VCLK_POL (1 << 7)
+#define USBVISION_VIN_REG2 0x1C
+ #define USBVISION_AUTO_FID (1 << 0)
+ #define USBVISION_NONE_INTER (1 << 1)
+ #define USBVISION_NOHVALID (1 << 2)
+ #define USBVISION_UV_ID (1 << 3)
+ #define USBVISION_FIX_2C (1 << 4)
+ #define USBVISION_SEND_FID (1 << 5)
+ #define USBVISION_KEEP_BLANK (1 << 7)
+#define USBVISION_LXSIZE_I 0x1D
+#define USBVISION_MXSIZE_I 0x1E
+#define USBVISION_LYSIZE_I 0x1F
+#define USBVISION_MYSIZE_I 0x20
+#define USBVISION_LX_OFFST 0x21
+#define USBVISION_MX_OFFST 0x22
+#define USBVISION_LY_OFFST 0x23
+#define USBVISION_MY_OFFST 0x24
+#define USBVISION_FRM_RATE 0x25
+#define USBVISION_LXSIZE_O 0x26
+#define USBVISION_MXSIZE_O 0x27
+#define USBVISION_LYSIZE_O 0x28
+#define USBVISION_MYSIZE_O 0x29
+#define USBVISION_FILT_CONT 0x2A
+#define USBVISION_VO_MODE 0x2B
+#define USBVISION_INTRA_CYC 0x2C
+#define USBVISION_STRIP_SZ 0x2D
+#define USBVISION_FORCE_INTRA 0x2E
+#define USBVISION_FORCE_UP 0x2F
+#define USBVISION_BUF_THR 0x30
+#define USBVISION_DVI_YUV 0x31
+#define USBVISION_AUDIO_CONT 0x32
+#define USBVISION_AUD_PK_LEN 0x33
+#define USBVISION_BLK_PK_LEN 0x34
+#define USBVISION_PCM_THR1 0x38
+#define USBVISION_PCM_THR2 0x39
+#define USBVISION_DIST_THR_L 0x3A
+#define USBVISION_DIST_THR_H 0x3B
+#define USBVISION_MAX_DIST_L 0x3C
+#define USBVISION_MAX_DIST_H 0x3D
+#define USBVISION_OP_CODE 0x33
+
+#define MAX_BYTES_PER_PIXEL 4
+
+#define MIN_FRAME_WIDTH 64
+#define MAX_USB_WIDTH 320 /* 384 */
+#define MAX_FRAME_WIDTH 320 /* 384 */ /* streching sometimes causes crashes*/
+
+#define MIN_FRAME_HEIGHT 48
+#define MAX_USB_HEIGHT 240 /* 288 */
+#define MAX_FRAME_HEIGHT 240 /* 288 */ /* Streching sometimes causes crashes*/
+
+#define MAX_FRAME_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT * MAX_BYTES_PER_PIXEL)
+#define USBVISION_CLIPMASK_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT / 8) /* bytesize of clipmask */
+
+#define USBVISION_URB_FRAMES 32
+
+#define USBVISION_NUM_HEADERMARKER 20
+#define USBVISION_NUMFRAMES 3 /* Maximum number of frames an application can get */
+#define USBVISION_NUMSBUF 2 /* Dimensioning the USB S buffering */
+
+#define USBVISION_POWEROFF_TIME (3 * HZ) /* 3 seconds */
+
+
+#define FRAMERATE_MIN 0
+#define FRAMERATE_MAX 31
+
+enum {
+ ISOC_MODE_YUV422 = 0x03,
+ ISOC_MODE_YUV420 = 0x14,
+ ISOC_MODE_COMPRESS = 0x60,
+};
+
+/* This macro restricts an int variable to an inclusive range */
+#define RESTRICT_TO_RANGE(v, mi, ma) \
+ { if (((int)v) < (mi)) (v) = (mi); else if ((v) > (ma)) (v) = (ma); }
+
+/*
+ * We use macros to do YUV -> RGB conversion because this is
+ * very important for speed and totally unimportant for size.
+ *
+ * YUV -> RGB Conversion
+ * ---------------------
+ *
+ * B = 1.164*(Y-16) + 2.018*(V-128)
+ * G = 1.164*(Y-16) - 0.813*(U-128) - 0.391*(V-128)
+ * R = 1.164*(Y-16) + 1.596*(U-128)
+ *
+ * If you fancy integer arithmetics (as you should), hear this:
+ *
+ * 65536*B = 76284*(Y-16) + 132252*(V-128)
+ * 65536*G = 76284*(Y-16) - 53281*(U-128) - 25625*(V-128)
+ * 65536*R = 76284*(Y-16) + 104595*(U-128)
+ *
+ * Make sure the output values are within [0..255] range.
+ */
+#define LIMIT_RGB(x) (((x) < 0) ? 0 : (((x) > 255) ? 255 : (x)))
+#define YUV_TO_RGB_BY_THE_BOOK(my, mu, mv, mr, mg, mb) { \
+ int mm_y, mm_yc, mm_u, mm_v, mm_r, mm_g, mm_b; \
+ mm_y = (my) - 16; \
+ mm_u = (mu) - 128; \
+ mm_v = (mv) - 128; \
+ mm_yc = mm_y * 76284; \
+ mm_b = (mm_yc + 132252 * mm_v) >> 16; \
+ mm_g = (mm_yc - 53281 * mm_u - 25625 * mm_v) >> 16; \
+ mm_r = (mm_yc + 104595 * mm_u) >> 16; \
+ mb = LIMIT_RGB(mm_b); \
+ mg = LIMIT_RGB(mm_g); \
+ mr = LIMIT_RGB(mm_r); \
+}
+
+/*
+ * This macro checks if usbvision is still operational. The 'usbvision'
+ * pointer must be valid, usbvision->dev must be valid, we are not
+ * removing the device and the device has not erred on us.
+ */
+#define USBVISION_IS_OPERATIONAL(udevice) (\
+ (udevice != NULL) && \
+ ((udevice)->dev != NULL) && \
+ ((udevice)->last_error == 0) && \
+ (!(udevice)->remove_pending))
+
+#define I2C_USB_ADAP_MAX 16
+
+#define USBVISION_NORMS (V4L2_STD_PAL | V4L2_STD_NTSC | V4L2_STD_SECAM | V4L2_STD_PAL_M)
+
+/* ----------------------------------------------------------------- */
+/* usbvision video structures */
+/* ----------------------------------------------------------------- */
+enum scan_state {
+ scan_state_scanning, /* Scanning for header */
+ scan_state_lines /* Parsing lines */
+};
+
+/* Completion states of the data parser */
+enum parse_state {
+ parse_state_continue, /* Just parse next item */
+ parse_state_next_frame, /* Frame done, send it to V4L */
+ parse_state_out, /* Not enough data for frame */
+ parse_state_end_parse /* End parsing */
+};
+
+enum frame_state {
+ frame_state_unused, /* Unused (no MCAPTURE) */
+ frame_state_ready, /* Ready to start grabbing */
+ frame_state_grabbing, /* In the process of being grabbed into */
+ frame_state_done, /* Finished grabbing, but not been synced yet */
+ frame_state_done_hold, /* Are syncing or reading */
+ frame_state_error, /* Something bad happened while processing */
+};
+
+/* stream states */
+enum stream_state {
+ stream_off, /* Driver streaming is completely OFF */
+ stream_idle, /* Driver streaming is ready to be put ON by the application */
+ stream_interrupt, /* Driver streaming must be interrupted */
+ stream_on, /* Driver streaming is put ON by the application */
+};
+
+enum isoc_state {
+ isoc_state_in_frame, /* Isoc packet is member of frame */
+ isoc_state_no_frame, /* Isoc packet is not member of any frame */
+};
+
+struct usb_device;
+
+struct usbvision_sbuf {
+ char *data;
+ struct urb *urb;
+};
+
+#define USBVISION_MAGIC_1 0x55
+#define USBVISION_MAGIC_2 0xAA
+#define USBVISION_HEADER_LENGTH 0x0c
+#define USBVISION_SAA7111_ADDR 0x48
+#define USBVISION_SAA7113_ADDR 0x4a
+#define USBVISION_IIC_LRACK 0x20
+#define USBVISION_IIC_LRNACK 0x30
+#define USBVISION_FRAME_FORMAT_PARAM_INTRA (1<<7)
+
+struct usbvision_v4l2_format_st {
+ int supported;
+ int bytes_per_pixel;
+ int depth;
+ int format;
+ char *desc;
+};
+#define USBVISION_SUPPORTED_PALETTES ARRAY_SIZE(usbvision_v4l2_format)
+
+struct usbvision_frame_header {
+ unsigned char magic_1; /* 0 magic */
+ unsigned char magic_2; /* 1 magic */
+ unsigned char header_length; /* 2 */
+ unsigned char frame_num; /* 3 */
+ unsigned char frame_phase; /* 4 */
+ unsigned char frame_latency; /* 5 */
+ unsigned char data_format; /* 6 */
+ unsigned char format_param; /* 7 */
+ unsigned char frame_width_lo; /* 8 */
+ unsigned char frame_width_hi; /* 9 */
+ unsigned char frame_height_lo; /* 10 */
+ unsigned char frame_height_hi; /* 11 */
+ __u16 frame_width; /* 8 - 9 after endian correction*/
+ __u16 frame_height; /* 10 - 11 after endian correction*/
+};
+
+struct usbvision_frame {
+ char *data; /* Frame buffer */
+ struct usbvision_frame_header isoc_header; /* Header from stream */
+
+ int width; /* Width application is expecting */
+ int height; /* Height */
+ int index; /* Frame index */
+ int frmwidth; /* Width the frame actually is */
+ int frmheight; /* Height */
+
+ volatile int grabstate; /* State of grabbing */
+ int scanstate; /* State of scanning */
+
+ struct list_head frame;
+
+ int curline; /* Line of frame we're working on */
+
+ long scanlength; /* uncompressed, raw data length of frame */
+ long bytes_read; /* amount of scanlength that has been read from data */
+ struct usbvision_v4l2_format_st v4l2_format; /* format the user needs*/
+ int v4l2_linesize; /* bytes for one videoline*/
+ struct timeval timestamp;
+ int sequence; /* How many video frames we send to user */
+};
+
+#define CODEC_SAA7113 7113
+#define CODEC_SAA7111 7111
+#define CODEC_WEBCAM 3000
+#define BRIDGE_NT1003 1003
+#define BRIDGE_NT1004 1004
+#define BRIDGE_NT1005 1005
+
+struct usbvision_device_data_st {
+ __u64 video_norm;
+ const char *model_string;
+ int interface; /* to handle special interface number like BELKIN and Hauppauge WinTV-USB II */
+ __u16 codec;
+ unsigned video_channels:3;
+ unsigned audio_channels:2;
+ unsigned radio:1;
+ unsigned vbi:1;
+ unsigned tuner:1;
+ unsigned vin_reg1_override:1; /* Override default value with */
+ unsigned vin_reg2_override:1; /* vin_reg1, vin_reg2, etc. */
+ unsigned dvi_yuv_override:1;
+ __u8 vin_reg1;
+ __u8 vin_reg2;
+ __u8 dvi_yuv;
+ __u8 tuner_type;
+ __s16 x_offset;
+ __s16 y_offset;
+};
+
+/* Declared on usbvision-cards.c */
+extern struct usbvision_device_data_st usbvision_device_data[];
+extern struct usb_device_id usbvision_table[];
+
+struct usb_usbvision {
+ struct v4l2_device v4l2_dev;
+ struct v4l2_ctrl_handler hdl;
+ struct video_device vdev; /* Video Device */
+ struct video_device rdev; /* Radio Device */
+
+ /* i2c Declaration Section*/
+ struct i2c_adapter i2c_adap;
+ int registered_i2c;
+
+ struct urb *ctrl_urb;
+ unsigned char ctrl_urb_buffer[8];
+ int ctrl_urb_busy;
+ struct usb_ctrlrequest ctrl_urb_setup;
+
+ /* configuration part */
+ int have_tuner;
+ int tuner_type;
+ int bridge_type; /* NT1003, NT1004, NT1005 */
+ int radio;
+ int video_inputs; /* # of inputs */
+ unsigned long radio_freq;
+ unsigned long tv_freq;
+ int audio_mute;
+ int audio_channel;
+ int isoc_mode; /* format of video data for the usb isoc-transfer */
+ unsigned int nr; /* Number of the device */
+
+ /* Device structure */
+ struct usb_device *dev;
+ /* usb transfer */
+ int num_alt; /* Number of alternative settings */
+ unsigned int *alt_max_pkt_size; /* array of max_packet_size */
+ unsigned char iface; /* Video interface number */
+ unsigned char iface_alt; /* Alt settings */
+ unsigned char vin_reg2_preset;
+ struct mutex v4l2_lock;
+ int power; /* is the device powered on? */
+ int user; /* user count for exclusive use */
+ int initialized; /* Had we already sent init sequence? */
+ int dev_model; /* What type of USBVISION device we got? */
+ enum stream_state streaming; /* Are we streaming Isochronous? */
+ int last_error; /* What calamity struck us? */
+ int curwidth; /* width of the frame the device is currently set to*/
+ int curheight; /* height of the frame the device is currently set to*/
+ int stretch_width; /* stretch-factor for frame width (from usb to screen)*/
+ int stretch_height; /* stretch-factor for frame height (from usb to screen)*/
+ char *fbuf; /* Videodev buffer area for mmap*/
+ int max_frame_size; /* Bytes in one video frame */
+ int fbuf_size; /* Videodev buffer size */
+ spinlock_t queue_lock; /* spinlock for protecting mods on inqueue and outqueue */
+ struct list_head inqueue, outqueue; /* queued frame list and ready to dequeue frame list */
+ wait_queue_head_t wait_frame; /* Processes waiting */
+ wait_queue_head_t wait_stream; /* Processes waiting */
+ struct usbvision_frame *cur_frame; /* pointer to current frame, set by usbvision_find_header */
+ struct usbvision_frame frame[USBVISION_NUMFRAMES]; /* frame buffer */
+ int num_frames; /* number of frames allocated */
+ struct usbvision_sbuf sbuf[USBVISION_NUMSBUF]; /* S buffering */
+ volatile int remove_pending; /* If set then about to exit */
+
+ /* Scratch space from the Isochronous Pipe.*/
+ unsigned char *scratch;
+ int scratch_read_ptr;
+ int scratch_write_ptr;
+ int scratch_headermarker[USBVISION_NUM_HEADERMARKER];
+ int scratch_headermarker_read_ptr;
+ int scratch_headermarker_write_ptr;
+ enum isoc_state isocstate;
+ struct usbvision_v4l2_format_st palette;
+
+ struct v4l2_capability vcap; /* Video capabilities */
+ unsigned int ctl_input; /* selected input */
+ v4l2_std_id tvnorm_id; /* selected tv norm */
+ unsigned char video_endp; /* 0x82 for USBVISION devices based */
+
+ /* Decompression stuff: */
+ unsigned char *intra_frame_buffer; /* Buffer for reference frame */
+ int block_pos; /* for test only */
+ int request_intra; /* 0 = normal; 1 = intra frame is requested; */
+ int last_isoc_frame_num; /* check for lost isoc frames */
+ int isoc_packet_size; /* need to calculate used_bandwidth */
+ int used_bandwidth; /* used bandwidth 0-100%, need to set compr_level */
+ int compr_level; /* How strong (100) or weak (0) is compression */
+ int last_compr_level; /* How strong (100) or weak (0) was compression */
+ int usb_bandwidth; /* Mbit/s */
+
+ /* Statistics that can be overlayed on the screen */
+ unsigned long isoc_urb_count; /* How many URBs we received so far */
+ unsigned long urb_length; /* Length of last URB */
+ unsigned long isoc_data_count; /* How many bytes we received */
+ unsigned long header_count; /* How many frame headers we found */
+ unsigned long scratch_ovf_count; /* How many times we overflowed scratch */
+ unsigned long isoc_skip_count; /* How many empty ISO packets received */
+ unsigned long isoc_err_count; /* How many bad ISO packets received */
+ unsigned long isoc_packet_count; /* How many packets we totally got */
+ unsigned long time_in_irq; /* How long do we need for interrupt */
+ int isoc_measure_bandwidth_count;
+ int frame_num; /* How many video frames we send to user */
+ int max_strip_len; /* How big is the biggest strip */
+ int comprblock_pos;
+ int strip_len_errors; /* How many times was block_pos greater than strip_len */
+ int strip_magic_errors;
+ int strip_line_number_errors;
+ int compr_block_types[4];
+};
+
+static inline struct usb_usbvision *to_usbvision(struct v4l2_device *v4l2_dev)
+{
+ return container_of(v4l2_dev, struct usb_usbvision, v4l2_dev);
+}
+
+#define call_all(usbvision, o, f, args...) \
+ v4l2_device_call_all(&usbvision->v4l2_dev, 0, o, f, ##args)
+
+/* --------------------------------------------------------------- */
+/* defined in usbvision-i2c.c */
+/* i2c-algo-usb declaration */
+/* --------------------------------------------------------------- */
+
+/* ----------------------------------------------------------------------- */
+/* usbvision specific I2C functions */
+/* ----------------------------------------------------------------------- */
+int usbvision_i2c_register(struct usb_usbvision *usbvision);
+int usbvision_i2c_unregister(struct usb_usbvision *usbvision);
+
+/* defined in usbvision-core.c */
+int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg);
+int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg,
+ unsigned char value);
+
+int usbvision_frames_alloc(struct usb_usbvision *usbvision, int number_of_frames);
+void usbvision_frames_free(struct usb_usbvision *usbvision);
+int usbvision_scratch_alloc(struct usb_usbvision *usbvision);
+void usbvision_scratch_free(struct usb_usbvision *usbvision);
+int usbvision_decompress_alloc(struct usb_usbvision *usbvision);
+void usbvision_decompress_free(struct usb_usbvision *usbvision);
+
+int usbvision_setup(struct usb_usbvision *usbvision, int format);
+int usbvision_init_isoc(struct usb_usbvision *usbvision);
+int usbvision_restart_isoc(struct usb_usbvision *usbvision);
+void usbvision_stop_isoc(struct usb_usbvision *usbvision);
+int usbvision_set_alternate(struct usb_usbvision *dev);
+
+int usbvision_set_audio(struct usb_usbvision *usbvision, int audio_channel);
+int usbvision_audio_off(struct usb_usbvision *usbvision);
+
+int usbvision_begin_streaming(struct usb_usbvision *usbvision);
+void usbvision_empty_framequeues(struct usb_usbvision *dev);
+int usbvision_stream_interrupt(struct usb_usbvision *dev);
+
+int usbvision_muxsel(struct usb_usbvision *usbvision, int channel);
+int usbvision_set_input(struct usb_usbvision *usbvision);
+int usbvision_set_output(struct usb_usbvision *usbvision, int width, int height);
+
+int usbvision_power_off(struct usb_usbvision *usbvision);
+int usbvision_power_on(struct usb_usbvision *usbvision);
+
+#endif /* __LINUX_USBVISION_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-24 17:04:58 +0000