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authorLuca Risolia <luca.risolia@studio.unibo.it>2006-04-24 10:28:23 -0400
committerMauro Carvalho Chehab <mchehab@infradead.org>2006-06-25 00:58:24 -0400
commit0230185d337be9810eeaf4a873fa1fa9f7bc52bf (patch)
treeb6c97d58318195539581e1af3fd93266b79e2e99 /Documentation/video4linux/zc0301.txt
parent2b455db6d456ef2d44808a8377fd3bc832e08317 (diff)
V4L/DVB (3838): ZC0301 driver updates
ZC0301 driver updates: - Add support for PB-0330 image sensor - Generic documentation cleanups and updates Signed-off-by: Luca Risolia <luca.risolia@studio.unibo.it> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'Documentation/video4linux/zc0301.txt')
-rw-r--r--Documentation/video4linux/zc0301.txt80
1 files changed, 48 insertions, 32 deletions
diff --git a/Documentation/video4linux/zc0301.txt b/Documentation/video4linux/zc0301.txt
index f55262c6733b..f406f5e80046 100644
--- a/Documentation/video4linux/zc0301.txt
+++ b/Documentation/video4linux/zc0301.txt
@@ -1,9 +1,9 @@
1 1
2 ZC0301 Image Processor and Control Chip 2 ZC0301 and ZC0301P Image Processor and Control Chip
3 Driver for Linux 3 Driver for Linux
4 ======================================= 4 ===================================================
5 5
6 - Documentation - 6 - Documentation -
7 7
8 8
9Index 9Index
@@ -51,13 +51,13 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
51 51
524. Overview and features 524. Overview and features
53======================== 53========================
54This driver supports the video interface of the devices mounting the ZC0301 54This driver supports the video interface of the devices mounting the ZC0301 or
55Image Processor and Control Chip. 55ZC0301P Image Processors and Control Chips.
56 56
57The driver relies on the Video4Linux2 and USB core modules. It has been 57The driver relies on the Video4Linux2 and USB core modules. It has been
58designed to run properly on SMP systems as well. 58designed to run properly on SMP systems as well.
59 59
60The latest version of the ZC0301 driver can be found at the following URL: 60The latest version of the ZC0301[P] driver can be found at the following URL:
61http://www.linux-projects.org/ 61http://www.linux-projects.org/
62 62
63Some of the features of the driver are: 63Some of the features of the driver are:
@@ -117,7 +117,7 @@ supported by the USB Audio driver thanks to the ALSA API:
117 117
118And finally: 118And finally:
119 119
120 # USB Multimedia devices 120 # V4L USB devices
121 # 121 #
122 CONFIG_USB_ZC0301=m 122 CONFIG_USB_ZC0301=m
123 123
@@ -146,46 +146,46 @@ Name: video_nr
146Type: short array (min = 0, max = 64) 146Type: short array (min = 0, max = 64)
147Syntax: <-1|n[,...]> 147Syntax: <-1|n[,...]>
148Description: Specify V4L2 minor mode number: 148Description: Specify V4L2 minor mode number:
149 -1 = use next available 149 -1 = use next available
150 n = use minor number n 150 n = use minor number n
151 You can specify up to 64 cameras this way. 151 You can specify up to 64 cameras this way.
152 For example: 152 For example:
153 video_nr=-1,2,-1 would assign minor number 2 to the second 153 video_nr=-1,2,-1 would assign minor number 2 to the second
154 registered camera and use auto for the first one and for every 154 registered camera and use auto for the first one and for every
155 other camera. 155 other camera.
156Default: -1 156Default: -1
157------------------------------------------------------------------------------- 157-------------------------------------------------------------------------------
158Name: force_munmap 158Name: force_munmap
159Type: bool array (min = 0, max = 64) 159Type: bool array (min = 0, max = 64)
160Syntax: <0|1[,...]> 160Syntax: <0|1[,...]>
161Description: Force the application to unmap previously mapped buffer memory 161Description: Force the application to unmap previously mapped buffer memory
162 before calling any VIDIOC_S_CROP or VIDIOC_S_FMT ioctl's. Not 162 before calling any VIDIOC_S_CROP or VIDIOC_S_FMT ioctl's. Not
163 all the applications support this feature. This parameter is 163 all the applications support this feature. This parameter is
164 specific for each detected camera. 164 specific for each detected camera.
165 0 = do not force memory unmapping 165 0 = do not force memory unmapping
166 1 = force memory unmapping (save memory) 166 1 = force memory unmapping (save memory)
167Default: 0 167Default: 0
168------------------------------------------------------------------------------- 168-------------------------------------------------------------------------------
169Name: frame_timeout 169Name: frame_timeout
170Type: uint array (min = 0, max = 64) 170Type: uint array (min = 0, max = 64)
171Syntax: <n[,...]> 171Syntax: <n[,...]>
172Description: Timeout for a video frame in seconds. This parameter is 172Description: Timeout for a video frame in seconds. This parameter is
173 specific for each detected camera. This parameter can be 173 specific for each detected camera. This parameter can be
174 changed at runtime thanks to the /sys filesystem interface. 174 changed at runtime thanks to the /sys filesystem interface.
175Default: 2 175Default: 2
176------------------------------------------------------------------------------- 176-------------------------------------------------------------------------------
177Name: debug 177Name: debug
178Type: ushort 178Type: ushort
179Syntax: <n> 179Syntax: <n>
180Description: Debugging information level, from 0 to 3: 180Description: Debugging information level, from 0 to 3:
181 0 = none (use carefully) 181 0 = none (use carefully)
182 1 = critical errors 182 1 = critical errors
183 2 = significant informations 183 2 = significant informations
184 3 = more verbose messages 184 3 = more verbose messages
185 Level 3 is useful for testing only, when only one device 185 Level 3 is useful for testing only, when only one device
186 is used at the same time. It also shows some more informations 186 is used at the same time. It also shows some more informations
187 about the hardware being detected. This module parameter can be 187 about the hardware being detected. This module parameter can be
188 changed at runtime thanks to the /sys filesystem interface. 188 changed at runtime thanks to the /sys filesystem interface.
189Default: 2 189Default: 2
190------------------------------------------------------------------------------- 190-------------------------------------------------------------------------------
191 191
@@ -204,11 +204,25 @@ Vendor ID Product ID
2040x041e 0x4017 2040x041e 0x4017
2050x041e 0x401c 2050x041e 0x401c
2060x041e 0x401e 2060x041e 0x401e
2070x041e 0x401f
2080x041e 0x4022
2070x041e 0x4034 2090x041e 0x4034
2080x041e 0x4035 2100x041e 0x4035
2110x041e 0x4036
2120x041e 0x403a
2130x0458 0x7007
2140x0458 0x700C
2150x0458 0x700f
2160x046d 0x08ae
2170x055f 0xd003
2180x055f 0xd004
2090x046d 0x08ae 2190x046d 0x08ae
2100x0ac8 0x0301 2200x0ac8 0x0301
2210x0ac8 0x301b
2220x0ac8 0x303b
2230x10fd 0x0128
2110x10fd 0x8050 2240x10fd 0x8050
2250x10fd 0x804e
212 226
213The list above does not imply that all those devices work with this driver: up 227The list above does not imply that all those devices work with this driver: up
214until now only the ones that mount the following image sensors are supported; 228until now only the ones that mount the following image sensors are supported;
@@ -217,6 +231,7 @@ kernel messages will always tell you whether this is the case:
217Model Manufacturer 231Model Manufacturer
218----- ------------ 232----- ------------
219PAS202BCB PixArt Imaging, Inc. 233PAS202BCB PixArt Imaging, Inc.
234PB-0330 Photobit Corporation
220 235
221 236
2229. Notes for V4L2 application developers 2379. Notes for V4L2 application developers
@@ -250,5 +265,6 @@ the fingerprint is: '88E8 F32F 7244 68BA 3958 5D40 99DA 5D2A FCE6 35A4'.
250 been taken from the documentation of the ZC030x Video4Linux1 driver written 265 been taken from the documentation of the ZC030x Video4Linux1 driver written
251 by Andrew Birkett <andy@nobugs.org>; 266 by Andrew Birkett <andy@nobugs.org>;
252- The initialization values of the ZC0301 controller connected to the PAS202BCB 267- The initialization values of the ZC0301 controller connected to the PAS202BCB
253 image sensor have been taken from the SPCA5XX driver maintained by 268 and PB-0330 image sensors have been taken from the SPCA5XX driver maintained
254 Michel Xhaard <mxhaard@magic.fr>. 269 by Michel Xhaard <mxhaard@magic.fr>;
270- Stanislav Lechev donated one camera.