diff options
| -rw-r--r-- | Documentation/video4linux/README.cpia | 191 | ||||
| -rw-r--r-- | Documentation/video4linux/bttv/Cards | 4 | ||||
| -rw-r--r-- | MAINTAINERS | 6 | ||||
| -rw-r--r-- | drivers/staging/Kconfig | 4 | ||||
| -rw-r--r-- | drivers/staging/Makefile | 2 | ||||
| -rw-r--r-- | drivers/staging/cpia/Kconfig | 39 | ||||
| -rw-r--r-- | drivers/staging/cpia/Makefile | 5 | ||||
| -rw-r--r-- | drivers/staging/cpia/TODO | 8 | ||||
| -rw-r--r-- | drivers/staging/cpia/cpia.c | 4028 | ||||
| -rw-r--r-- | drivers/staging/cpia/cpia.h | 432 | ||||
| -rw-r--r-- | drivers/staging/cpia/cpia_pp.c | 869 | ||||
| -rw-r--r-- | drivers/staging/cpia/cpia_usb.c | 640 | ||||
| -rw-r--r-- | drivers/staging/stradis/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/staging/stradis/Makefile | 3 | ||||
| -rw-r--r-- | drivers/staging/stradis/TODO | 6 | ||||
| -rw-r--r-- | drivers/staging/stradis/stradis.c | 2222 |
16 files changed, 0 insertions, 8466 deletions
diff --git a/Documentation/video4linux/README.cpia b/Documentation/video4linux/README.cpia deleted file mode 100644 index 8a747fee661f..000000000000 --- a/Documentation/video4linux/README.cpia +++ /dev/null @@ -1,191 +0,0 @@ -This is a driver for the CPiA PPC2 driven parallel connected -Camera. For example the Creative WebcamII is CPiA driven. - - ) [1]Peter Pregler, Linz 2000, published under the [2]GNU GPL - ---------------------------------------------------------------------------- - -USAGE: - -General: -======== - -1) Make sure you have created the video devices (/dev/video*): - -- if you have a recent MAKEDEV do a 'cd /dev;./MAKEDEV video' -- otherwise do a: - -cd /dev -mknod video0 c 81 0 -ln -s video0 video - -2) Compile the kernel (see below for the list of options to use), - configure your parport and reboot. - -3) If all worked well you should get messages similar - to the following (your versions may be different) on the console: - -V4L-Driver for Vision CPiA based cameras v0.7.4 -parport0: read2 timeout. -parport0: Multimedia device, VLSI Vision Ltd PPC2 -Parallel port driver for Vision CPiA based camera - CPIA Version: 1.20 (2.0) - CPIA PnP-ID: 0553:0002:0100 - VP-Version: 1.0 0100 - 1 camera(s) found - - -As modules: -=========== - -Make sure you have selected the following kernel options (you can -select all stuff as modules): - -The cpia-stuff is in the section 'Character devices -> Video For Linux'. - -CONFIG_PARPORT=m -CONFIG_PARPORT_PC=m -CONFIG_PARPORT_PC_FIFO=y -CONFIG_PARPORT_1284=y -CONFIG_VIDEO_DEV=m -CONFIG_VIDEO_CPIA=m -CONFIG_VIDEO_CPIA_PP=m - -For autoloading of all those modules you need to tell module-init-tools -some stuff. Add the following line to your module-init-tools config-file -(e.g. /etc/modprobe.conf or wherever your distribution does store that -stuff): - -options parport_pc io=0x378 irq=7 dma=3 -alias char-major-81 cpia_pp - -The first line tells the dma/irq channels to use. Those _must_ match -the settings of your BIOS. Do NOT simply use the values above. See -Documentation/parport.txt for more information about this. The second -line associates the video-device file with the driver. Of cause you -can also load the modules once upon boot (usually done in /etc/modules). - -Linked into the kernel: -======================= - -Make sure you have selected the following kernel options. Note that -you cannot compile the parport-stuff as modules and the cpia-driver -statically (the other way round is okay though). - -The cpia-stuff is in the section 'Character devices -> Video For Linux'. - -CONFIG_PARPORT=y -CONFIG_PARPORT_PC=y -CONFIG_PARPORT_PC_FIFO=y -CONFIG_PARPORT_1284=y -CONFIG_VIDEO_DEV=y -CONFIG_VIDEO_CPIA=y -CONFIG_VIDEO_CPIA_PP=y - -To use DMA/irq you will need to tell the kernel upon boot time the -hardware configuration of the parport. You can give the boot-parameter -at the LILO-prompt or specify it in lilo.conf. I use the following -append-line in lilo.conf: - - append="parport=0x378,7,3" - -See Documentation/parport.txt for more information about the -configuration of the parport and the values given above. Do not simply -use the values given above. - ---------------------------------------------------------------------------- -FEATURES: - -- mmap/read v4l-interface (but no overlay) -- image formats: CIF/QCIF, SIF/QSIF, various others used by isabel; - note: all sizes except CIF/QCIF are implemented by clipping, i.e. - pixels are not uploaded from the camera -- palettes: VIDEO_PALETTE_GRAY, VIDEO_PALETTE_RGB565, VIDEO_PALETTE_RGB555, - VIDEO_PALETTE_RGB24, VIDEO_PALETTE_RGB32, VIDEO_PALETTE_YUYV, - VIDEO_PALETTE_UYVY, VIDEO_PALETTE_YUV422 -- state information (color balance, exposure, ...) is preserved between - device opens -- complete control over camera via proc-interface (_all_ camera settings are - supported), there is also a python-gtk application available for this [3] -- works under SMP (but the driver is completely serialized and synchronous) - so you get no benefit from SMP, but at least it does not crash your box -- might work for non-Intel architecture, let us know about this - ---------------------------------------------------------------------------- -TESTED APPLICATIONS: - -- a simple test application based on Xt is available at [3] -- another test-application based on gqcam-0.4 (uses GTK) -- gqcam-0.6 should work -- xawtv-3.x (also the webcam software) -- xawtv-2.46 -- w3cam (cgi-interface and vidcat, e.g. you may try out 'vidcat |xv - -maxpect -root -quit +noresetroot -rmode 5 -') -- vic, the MBONE video conferencing tool (version 2.8ucl4-1) -- isabel 3R4beta (barely working, but AFAICT all the problems are on - their side) -- camserv-0.40 - -See [3] for pointers to v4l-applications. - ---------------------------------------------------------------------------- -KNOWN PROBLEMS: - -- some applications do not handle the image format correctly, you will - see strange horizontal stripes instead of a nice picture -> make sure - your application does use a supported image size or queries the driver - for the actually used size (reason behind this: the camera cannot - provide any image format, so if size NxM is requested the driver will - use a format to the closest fitting N1xM1, the application should now - query for this granted size, most applications do not). -- all the todo ;) -- if there is not enough light and the picture is too dark try to - adjust the SetSensorFPS setting, automatic frame rate adjustment - has its price -- do not try out isabel 3R4beta (built 135), you will be disappointed - ---------------------------------------------------------------------------- -TODO: - -- multiple camera support (struct camera or something) - This should work, - but hasn't been tested yet. -- architecture independence? -- SMP-safe asynchronous mmap interface -- nibble mode for old parport interfaces -- streaming capture, this should give a performance gain - ---------------------------------------------------------------------------- -IMPLEMENTATION NOTES: - -The camera can act in two modes, streaming or grabbing. Right now a -polling grab-scheme is used. Maybe interrupt driven streaming will be -used for a asynchronous mmap interface in the next major release of the -driver. This might give a better frame rate. - ---------------------------------------------------------------------------- -THANKS (in no particular order): - -- Scott J. Bertin <sbertin@mindspring.com> for cleanups, the proc-filesystem - and much more -- Henry Bruce <whb@vvl.co.uk> for providing developers information about - the CPiA chip, I wish all companies would treat Linux as seriously -- Karoly Erdei <Karoly.Erdei@risc.uni-linz.ac.at> and RISC-Linz for being - my boss ;) resp. my employer and for providing me the hardware and - allow me to devote some working time to this project -- Manuel J. Petit de Gabriel <mpetit@dit.upm.es> for providing help - with Isabel (http://isabel.dit.upm.es/) -- Bas Huisman <bhuism@cs.utwente.nl> for writing the initial parport code -- Jarl Totland <Jarl.Totland@bdc.no> for setting up the mailing list - and maintaining the web-server[3] -- Chris Whiteford <Chris@informinteractive.com> for fixes related to the - 1.02 firmware -- special kudos to all the tester whose machines crashed and/or - will crash. :) - ---------------------------------------------------------------------------- -REFERENCES - - 1. http://www.risc.uni-linz.ac.at/ - mailto:Peter_Pregler@email.com - 2. see the file COPYING in the top directory of the kernel tree - 3. http://webcam.sourceforge.net/ diff --git a/Documentation/video4linux/bttv/Cards b/Documentation/video4linux/bttv/Cards index 12217fc49725..db833ced2cb8 100644 --- a/Documentation/video4linux/bttv/Cards +++ b/Documentation/video4linux/bttv/Cards @@ -464,10 +464,6 @@ Siemens ------- Multimedia eXtension Board (MXB) (SAA7146, SAA7111) -Stradis -------- - SDM275,SDM250,SDM026,SDM025 (SAA7146, IBMMPEG2): MPEG2 decoder only - Powercolor ---------- MTV878 diff --git a/MAINTAINERS b/MAINTAINERS index 71e40f9118df..92203a35d233 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -5697,12 +5697,6 @@ M: Ion Badulescu <ionut@badula.org> S: Odd Fixes F: drivers/net/starfire* -STRADIS MPEG-2 DECODER DRIVER -M: Nathan Laredo <laredo@gnu.org> -W: http://www.stradis.com/ -S: Maintained -F: drivers/media/video/stradis.c - SUN3/3X M: Sam Creasey <sammy@sammy.net> W: http://sammy.net/sun3/ diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index d9e3b6ddf682..7e7b27b3ddb0 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -51,10 +51,6 @@ source "drivers/staging/cx25821/Kconfig" source "drivers/staging/tm6000/Kconfig" -source "drivers/staging/cpia/Kconfig" - -source "drivers/staging/stradis/Kconfig" - source "drivers/staging/se401/Kconfig" source "drivers/staging/usbvideo/Kconfig" diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 8058a15b0cd7..72e0c839ea34 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -8,8 +8,6 @@ obj-$(CONFIG_SLICOSS) += slicoss/ obj-$(CONFIG_VIDEO_GO7007) += go7007/ obj-$(CONFIG_VIDEO_CX25821) += cx25821/ obj-$(CONFIG_VIDEO_TM6000) += tm6000/ -obj-$(CONFIG_VIDEO_CPIA) += cpia/ -obj-$(CONFIG_VIDEO_STRADIS) += stradis/ obj-$(CONFIG_USB_VICAM) += usbvideo/ obj-$(CONFIG_USB_SE401) += se401/ obj-$(CONFIG_LIRC_STAGING) += lirc/ diff --git a/drivers/staging/cpia/Kconfig b/drivers/staging/cpia/Kconfig deleted file mode 100644 index 205d247ad373..000000000000 --- a/drivers/staging/cpia/Kconfig +++ /dev/null @@ -1,39 +0,0 @@ -config VIDEO_CPIA - tristate "CPiA Video For Linux (DEPRECATED)" - depends on VIDEO_V4L1 - default n - ---help--- - This driver is DEPRECATED please use the gspca cpia1 module - instead. Note that you need atleast version 0.6.4 of libv4l for - the cpia1 gspca module. - - This is the video4linux driver for cameras based on Vision's CPiA - (Colour Processor Interface ASIC), such as the Creative Labs Video - Blaster Webcam II. If you have one of these cameras, say Y here - and select parallel port and/or USB lowlevel support below, - otherwise say N. This will not work with the Creative Webcam III. - - Please read <file:Documentation/video4linux/README.cpia> for more - information. - - This driver is also available as a module (cpia). - -config VIDEO_CPIA_PP - tristate "CPiA Parallel Port Lowlevel Support" - depends on PARPORT_1284 && VIDEO_CPIA && PARPORT - help - This is the lowlevel parallel port support for cameras based on - Vision's CPiA (Colour Processor Interface ASIC), such as the - Creative Webcam II. If you have the parallel port version of one - of these cameras, say Y here, otherwise say N. It is also available - as a module (cpia_pp). - -config VIDEO_CPIA_USB - tristate "CPiA USB Lowlevel Support" - depends on VIDEO_CPIA && USB - help - This is the lowlevel USB support for cameras based on Vision's CPiA - (Colour Processor Interface ASIC), such as the Creative Webcam II. - If you have the USB version of one of these cameras, say Y here, - otherwise say N. This will not work with the Creative Webcam III. - It is also available as a module (cpia_usb). diff --git a/drivers/staging/cpia/Makefile b/drivers/staging/cpia/Makefile deleted file mode 100644 index 89e52f10d739..000000000000 --- a/drivers/staging/cpia/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -obj-$(CONFIG_VIDEO_CPIA) += cpia.o -obj-$(CONFIG_VIDEO_CPIA_PP) += cpia_pp.o -obj-$(CONFIG_VIDEO_CPIA_USB) += cpia_usb.o - -EXTRA_CFLAGS += -Idrivers/media/video diff --git a/drivers/staging/cpia/TODO b/drivers/staging/cpia/TODO deleted file mode 100644 index ccb1c0775eec..000000000000 --- a/drivers/staging/cpia/TODO +++ /dev/null @@ -1,8 +0,0 @@ -This is an obsolete driver for some cpia-based webcams that use the parallel port. -We couldn't find anyone with this hardware in order to port it to use V4L2. - -Also, parallel-port webcams are obsolete nowadays. - -If nobody take care on it, the driver will be removed for 2.6.38. - -Please send patches to linux-media@vger.kernel.org diff --git a/drivers/staging/cpia/cpia.c b/drivers/staging/cpia/cpia.c deleted file mode 100644 index 0e740b8dafc3..000000000000 --- a/drivers/staging/cpia/cpia.c +++ /dev/null @@ -1,4028 +0,0 @@ -/* - * cpia CPiA driver - * - * Supports CPiA based Video Camera's. - * - * (C) Copyright 1999-2000 Peter Pregler - * (C) Copyright 1999-2000 Scott J. Bertin - * (C) Copyright 1999-2000 Johannes Erdfelt <johannes@erdfelt.com> - * (C) Copyright 2000 STMicroelectronics - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -/* define _CPIA_DEBUG_ for verbose debug output (see cpia.h) */ -/* #define _CPIA_DEBUG_ 1 */ - - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/fs.h> -#include <linux/vmalloc.h> -#include <linux/sched.h> -#include <linux/seq_file.h> -#include <linux/slab.h> -#include <linux/proc_fs.h> -#include <linux/ctype.h> -#include <linux/pagemap.h> -#include <linux/delay.h> -#include <asm/io.h> -#include <linux/mutex.h> - -#include "cpia.h" - -static int video_nr = -1; - -#ifdef MODULE -module_param(video_nr, int, 0); -MODULE_AUTHOR("Scott J. Bertin <sbertin@securenym.net> & Peter Pregler <Peter_Pregler@email.com> & Johannes Erdfelt <johannes@erdfelt.com>"); -MODULE_DESCRIPTION("V4L-driver for Vision CPiA based cameras"); -MODULE_LICENSE("GPL"); -MODULE_SUPPORTED_DEVICE("video"); -#endif - -static unsigned short colorspace_conv; -module_param(colorspace_conv, ushort, 0444); -MODULE_PARM_DESC(colorspace_conv, - " Colorspace conversion:" - "\n 0 = disable, 1 = enable" - "\n Default value is 0" - ); - -#define ABOUT "V4L-Driver for Vision CPiA based cameras" - -#define CPIA_MODULE_CPIA (0<<5) -#define CPIA_MODULE_SYSTEM (1<<5) -#define CPIA_MODULE_VP_CTRL (5<<5) -#define CPIA_MODULE_CAPTURE (6<<5) -#define CPIA_MODULE_DEBUG (7<<5) - -#define INPUT (DATA_IN << 8) -#define OUTPUT (DATA_OUT << 8) - -#define CPIA_COMMAND_GetCPIAVersion (INPUT | CPIA_MODULE_CPIA | 1) -#define CPIA_COMMAND_GetPnPID (INPUT | CPIA_MODULE_CPIA | 2) -#define CPIA_COMMAND_GetCameraStatus (INPUT | CPIA_MODULE_CPIA | 3) -#define CPIA_COMMAND_GotoHiPower (OUTPUT | CPIA_MODULE_CPIA | 4) -#define CPIA_COMMAND_GotoLoPower (OUTPUT | CPIA_MODULE_CPIA | 5) -#define CPIA_COMMAND_GotoSuspend (OUTPUT | CPIA_MODULE_CPIA | 7) -#define CPIA_COMMAND_GotoPassThrough (OUTPUT | CPIA_MODULE_CPIA | 8) -#define CPIA_COMMAND_ModifyCameraStatus (OUTPUT | CPIA_MODULE_CPIA | 10) - -#define CPIA_COMMAND_ReadVCRegs (INPUT | CPIA_MODULE_SYSTEM | 1) -#define CPIA_COMMAND_WriteVCReg (OUTPUT | CPIA_MODULE_SYSTEM | 2) -#define CPIA_COMMAND_ReadMCPorts (INPUT | CPIA_MODULE_SYSTEM | 3) -#define CPIA_COMMAND_WriteMCPort (OUTPUT | CPIA_MODULE_SYSTEM | 4) -#define CPIA_COMMAND_SetBaudRate (OUTPUT | CPIA_MODULE_SYSTEM | 5) -#define CPIA_COMMAND_SetECPTiming (OUTPUT | CPIA_MODULE_SYSTEM | 6) -#define CPIA_COMMAND_ReadIDATA (INPUT | CPIA_MODULE_SYSTEM | 7) -#define CPIA_COMMAND_WriteIDATA (OUTPUT | CPIA_MODULE_SYSTEM | 8) -#define CPIA_COMMAND_GenericCall (OUTPUT | CPIA_MODULE_SYSTEM | 9) -#define CPIA_COMMAND_I2CStart (OUTPUT | CPIA_MODULE_SYSTEM | 10) -#define CPIA_COMMAND_I2CStop (OUTPUT | CPIA_MODULE_SYSTEM | 11) -#define CPIA_COMMAND_I2CWrite (OUTPUT | CPIA_MODULE_SYSTEM | 12) -#define CPIA_COMMAND_I2CRead (INPUT | CPIA_MODULE_SYSTEM | 13) - -#define CPIA_COMMAND_GetVPVersion (INPUT | CPIA_MODULE_VP_CTRL | 1) -#define CPIA_COMMAND_ResetFrameCounter (INPUT | CPIA_MODULE_VP_CTRL | 2) -#define CPIA_COMMAND_SetColourParams (OUTPUT | CPIA_MODULE_VP_CTRL | 3) -#define CPIA_COMMAND_SetExposure (OUTPUT | CPIA_MODULE_VP_CTRL | 4) -#define CPIA_COMMAND_SetColourBalance (OUTPUT | CPIA_MODULE_VP_CTRL | 6) -#define CPIA_COMMAND_SetSensorFPS (OUTPUT | CPIA_MODULE_VP_CTRL | 7) -#define CPIA_COMMAND_SetVPDefaults (OUTPUT | CPIA_MODULE_VP_CTRL | 8) -#define CPIA_COMMAND_SetApcor (OUTPUT | CPIA_MODULE_VP_CTRL | 9) -#define CPIA_COMMAND_SetFlickerCtrl (OUTPUT | CPIA_MODULE_VP_CTRL | 10) -#define CPIA_COMMAND_SetVLOffset (OUTPUT | CPIA_MODULE_VP_CTRL | 11) -#define CPIA_COMMAND_GetColourParams (INPUT | CPIA_MODULE_VP_CTRL | 16) -#define CPIA_COMMAND_GetColourBalance (INPUT | CPIA_MODULE_VP_CTRL | 17) -#define CPIA_COMMAND_GetExposure (INPUT | CPIA_MODULE_VP_CTRL | 18) -#define CPIA_COMMAND_SetSensorMatrix (OUTPUT | CPIA_MODULE_VP_CTRL | 19) -#define CPIA_COMMAND_ColourBars (OUTPUT | CPIA_MODULE_VP_CTRL | 25) -#define CPIA_COMMAND_ReadVPRegs (INPUT | CPIA_MODULE_VP_CTRL | 30) -#define CPIA_COMMAND_WriteVPReg (OUTPUT | CPIA_MODULE_VP_CTRL | 31) - -#define CPIA_COMMAND_GrabFrame (OUTPUT | CPIA_MODULE_CAPTURE | 1) -#define CPIA_COMMAND_UploadFrame (OUTPUT | CPIA_MODULE_CAPTURE | 2) -#define CPIA_COMMAND_SetGrabMode (OUTPUT | CPIA_MODULE_CAPTURE | 3) -#define CPIA_COMMAND_InitStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 4) -#define CPIA_COMMAND_FiniStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 5) -#define CPIA_COMMAND_StartStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 6) -#define CPIA_COMMAND_EndStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 7) -#define CPIA_COMMAND_SetFormat (OUTPUT | CPIA_MODULE_CAPTURE | 8) -#define CPIA_COMMAND_SetROI (OUTPUT | CPIA_MODULE_CAPTURE | 9) -#define CPIA_COMMAND_SetCompression (OUTPUT | CPIA_MODULE_CAPTURE | 10) -#define CPIA_COMMAND_SetCompressionTarget (OUTPUT | CPIA_MODULE_CAPTURE | 11) -#define CPIA_COMMAND_SetYUVThresh (OUTPUT | CPIA_MODULE_CAPTURE | 12) -#define CPIA_COMMAND_SetCompressionParams (OUTPUT | CPIA_MODULE_CAPTURE | 13) -#define CPIA_COMMAND_DiscardFrame (OUTPUT | CPIA_MODULE_CAPTURE | 14) -#define CPIA_COMMAND_GrabReset (OUTPUT | CPIA_MODULE_CAPTURE | 15) - -#define CPIA_COMMAND_OutputRS232 (OUTPUT | CPIA_MODULE_DEBUG | 1) -#define CPIA_COMMAND_AbortProcess (OUTPUT | CPIA_MODULE_DEBUG | 4) -#define CPIA_COMMAND_SetDramPage (OUTPUT | CPIA_MODULE_DEBUG | 5) -#define CPIA_COMMAND_StartDramUpload (OUTPUT | CPIA_MODULE_DEBUG | 6) -#define CPIA_COMMAND_StartDummyDtream (OUTPUT | CPIA_MODULE_DEBUG | 8) -#define CPIA_COMMAND_AbortStream (OUTPUT | CPIA_MODULE_DEBUG | 9) -#define CPIA_COMMAND_DownloadDRAM (OUTPUT | CPIA_MODULE_DEBUG | 10) -#define CPIA_COMMAND_Null (OUTPUT | CPIA_MODULE_DEBUG | 11) - -enum { - FRAME_READY, /* Ready to grab into */ - FRAME_GRABBING, /* In the process of being grabbed into */ - FRAME_DONE, /* Finished grabbing, but not been synced yet */ - FRAME_UNUSED, /* Unused (no MCAPTURE) */ -}; - -#define COMMAND_NONE 0x0000 -#define COMMAND_SETCOMPRESSION 0x0001 -#define COMMAND_SETCOMPRESSIONTARGET 0x0002 -#define COMMAND_SETCOLOURPARAMS 0x0004 -#define COMMAND_SETFORMAT 0x0008 -#define COMMAND_PAUSE 0x0010 -#define COMMAND_RESUME 0x0020 -#define COMMAND_SETYUVTHRESH 0x0040 -#define COMMAND_SETECPTIMING 0x0080 -#define COMMAND_SETCOMPRESSIONPARAMS 0x0100 -#define COMMAND_SETEXPOSURE 0x0200 -#define COMMAND_SETCOLOURBALANCE 0x0400 -#define COMMAND_SETSENSORFPS 0x0800 -#define COMMAND_SETAPCOR 0x1000 -#define COMMAND_SETFLICKERCTRL 0x2000 -#define COMMAND_SETVLOFFSET 0x4000 -#define COMMAND_SETLIGHTS 0x8000 - -#define ROUND_UP_EXP_FOR_FLICKER 15 - -/* Constants for automatic frame rate adjustment */ -#define MAX_EXP 302 -#define MAX_EXP_102 255 -#define LOW_EXP 140 -#define VERY_LOW_EXP 70 -#define TC 94 -#define EXP_ACC_DARK 50 -#define EXP_ACC_LIGHT 90 -#define HIGH_COMP_102 160 -#define MAX_COMP 239 -#define DARK_TIME 3 -#define LIGHT_TIME 3 - -/* Maximum number of 10ms loops to wait for the stream to become ready */ -#define READY_TIMEOUT 100 - -/* Developer's Guide Table 5 p 3-34 - * indexed by [mains][sensorFps.baserate][sensorFps.divisor]*/ -static u8 flicker_jumps[2][2][4] = -{ { { 76, 38, 19, 9 }, { 92, 46, 23, 11 } }, - { { 64, 32, 16, 8 }, { 76, 38, 19, 9} } -}; - -/* forward declaration of local function */ -static void reset_camera_struct(struct cam_data *cam); -static int find_over_exposure(int brightness); -static void set_flicker(struct cam_params *params, volatile u32 *command_flags, - int on); - - -/********************************************************************** - * - * Memory management - * - **********************************************************************/ -static void *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 rvfree(void *mem, unsigned long size) -{ - unsigned long adr; - - if (!mem) - return; - - adr = (unsigned long) mem; - while ((long) size > 0) { - ClearPageReserved(vmalloc_to_page((void *)adr)); - adr += PAGE_SIZE; - size -= PAGE_SIZE; - } - vfree(mem); -} - -/********************************************************************** - * - * /proc interface - * - **********************************************************************/ -#ifdef CONFIG_PROC_FS -static struct proc_dir_entry *cpia_proc_root=NULL; - -static int cpia_proc_show(struct seq_file *m, void *v) -{ - struct cam_data *cam = m->private; - int tmp; - char tmpstr[29]; - - seq_printf(m, "read-only\n-----------------------\n"); - seq_printf(m, "V4L Driver version: %d.%d.%d\n", - CPIA_MAJ_VER, CPIA_MIN_VER, CPIA_PATCH_VER); - seq_printf(m, "CPIA Version: %d.%02d (%d.%d)\n", - cam->params.version.firmwareVersion, - cam->params.version.firmwareRevision, - cam->params.version.vcVersion, - cam->params.version.vcRevision); - seq_printf(m, "CPIA PnP-ID: %04x:%04x:%04x\n", - cam->params.pnpID.vendor, cam->params.pnpID.product, - cam->params.pnpID.deviceRevision); - seq_printf(m, "VP-Version: %d.%d %04x\n", - cam->params.vpVersion.vpVersion, - cam->params.vpVersion.vpRevision, - cam->params.vpVersion.cameraHeadID); - - seq_printf(m, "system_state: %#04x\n", - cam->params.status.systemState); - seq_printf(m, "grab_state: %#04x\n", - cam->params.status.grabState); - seq_printf(m, "stream_state: %#04x\n", - cam->params.status.streamState); - seq_printf(m, "fatal_error: %#04x\n", - cam->params.status.fatalError); - seq_printf(m, "cmd_error: %#04x\n", - cam->params.status.cmdError); - seq_printf(m, "debug_flags: %#04x\n", - cam->params.status.debugFlags); - seq_printf(m, "vp_status: %#04x\n", - cam->params.status.vpStatus); - seq_printf(m, "error_code: %#04x\n", - cam->params.status.errorCode); - /* QX3 specific entries */ - if (cam->params.qx3.qx3_detected) { - seq_printf(m, "button: %4d\n", - cam->params.qx3.button); - seq_printf(m, "cradled: %4d\n", - cam->params.qx3.cradled); - } - seq_printf(m, "video_size: %s\n", - cam->params.format.videoSize == VIDEOSIZE_CIF ? - "CIF " : "QCIF"); - seq_printf(m, "roi: (%3d, %3d) to (%3d, %3d)\n", - cam->params.roi.colStart*8, - cam->params.roi.rowStart*4, - cam->params.roi.colEnd*8, - cam->params.roi.rowEnd*4); - seq_printf(m, "actual_fps: %3d\n", cam->fps); - seq_printf(m, "transfer_rate: %4dkB/s\n", - cam->transfer_rate); - - seq_printf(m, "\nread-write\n"); - seq_printf(m, "----------------------- current min" - " max default comment\n"); - seq_printf(m, "brightness: %8d %8d %8d %8d\n", - cam->params.colourParams.brightness, 0, 100, 50); - if (cam->params.version.firmwareVersion == 1 && - cam->params.version.firmwareRevision == 2) - /* 1-02 firmware limits contrast to 80 */ - tmp = 80; - else - tmp = 96; - - seq_printf(m, "contrast: %8d %8d %8d %8d" - " steps of 8\n", - cam->params.colourParams.contrast, 0, tmp, 48); - seq_printf(m, "saturation: %8d %8d %8d %8d\n", - cam->params.colourParams.saturation, 0, 100, 50); - tmp = (25000+5000*cam->params.sensorFps.baserate)/ - (1<<cam->params.sensorFps.divisor); - seq_printf(m, "sensor_fps: %4d.%03d %8d %8d %8d\n", - tmp/1000, tmp%1000, 3, 30, 15); - seq_printf(m, "stream_start_line: %8d %8d %8d %8d\n", - 2*cam->params.streamStartLine, 0, - cam->params.format.videoSize == VIDEOSIZE_CIF ? 288:144, - cam->params.format.videoSize == VIDEOSIZE_CIF ? 240:120); - seq_printf(m, "sub_sample: %8s %8s %8s %8s\n", - cam->params.format.subSample == SUBSAMPLE_420 ? - "420" : "422", "420", "422", "422"); - seq_printf(m, "yuv_order: %8s %8s %8s %8s\n", - cam->params.format.yuvOrder == YUVORDER_YUYV ? - "YUYV" : "UYVY", "YUYV" , "UYVY", "YUYV"); - seq_printf(m, "ecp_timing: %8s %8s %8s %8s\n", - cam->params.ecpTiming ? "slow" : "normal", "slow", - "normal", "normal"); - - if (cam->params.colourBalance.balanceMode == 2) { - sprintf(tmpstr, "auto"); - } else { - sprintf(tmpstr, "manual"); - } - seq_printf(m, "color_balance_mode: %8s %8s %8s" - " %8s\n", tmpstr, "manual", "auto", "auto"); - seq_printf(m, "red_gain: %8d %8d %8d %8d\n", - cam->params.colourBalance.redGain, 0, 212, 32); - seq_printf(m, "green_gain: %8d %8d %8d %8d\n", - cam->params.colourBalance.greenGain, 0, 212, 6); - seq_printf(m, "blue_gain: %8d %8d %8d %8d\n", - cam->params.colourBalance.blueGain, 0, 212, 92); - - if (cam->params.version.firmwareVersion == 1 && - cam->params.version.firmwareRevision == 2) - /* 1-02 firmware limits gain to 2 */ - sprintf(tmpstr, "%8d %8d %8d", 1, 2, 2); - else - sprintf(tmpstr, "%8d %8d %8d", 1, 8, 2); - - if (cam->params.exposure.gainMode == 0) - seq_printf(m, "max_gain: unknown %28s" - " powers of 2\n", tmpstr); - else - seq_printf(m, "max_gain: %8d %28s" - " 1,2,4 or 8 \n", - 1<<(cam->params.exposure.gainMode-1), tmpstr); - - switch(cam->params.exposure.expMode) { - case 1: - case 3: - sprintf(tmpstr, "manual"); - break; - case 2: - sprintf(tmpstr, "auto"); - break; - default: - sprintf(tmpstr, "unknown"); - break; - } - seq_printf(m, "exposure_mode: %8s %8s %8s" - " %8s\n", tmpstr, "manual", "auto", "auto"); - seq_printf(m, "centre_weight: %8s %8s %8s %8s\n", - (2-cam->params.exposure.centreWeight) ? "on" : "off", - "off", "on", "on"); - seq_printf(m, "gain: %8d %8d max_gain %8d 1,2,4,8 possible\n", - 1<<cam->params.exposure.gain, 1, 1); - if (cam->params.version.firmwareVersion == 1 && - cam->params.version.firmwareRevision == 2) - /* 1-02 firmware limits fineExp/2 to 127 */ - tmp = 254; - else - tmp = 510; - - seq_printf(m, "fine_exp: %8d %8d %8d %8d\n", - cam->params.exposure.fineExp*2, 0, tmp, 0); - if (cam->params.version.firmwareVersion == 1 && - cam->params.version.firmwareRevision == 2) - /* 1-02 firmware limits coarseExpHi to 0 */ - tmp = MAX_EXP_102; - else - tmp = MAX_EXP; - - seq_printf(m, "coarse_exp: %8d %8d %8d" - " %8d\n", cam->params.exposure.coarseExpLo+ - 256*cam->params.exposure.coarseExpHi, 0, tmp, 185); - seq_printf(m, "red_comp: %8d %8d %8d %8d\n", - cam->params.exposure.redComp, COMP_RED, 255, COMP_RED); - seq_printf(m, "green1_comp: %8d %8d %8d %8d\n", - cam->params.exposure.green1Comp, COMP_GREEN1, 255, - COMP_GREEN1); - seq_printf(m, "green2_comp: %8d %8d %8d %8d\n", - cam->params.exposure.green2Comp, COMP_GREEN2, 255, - COMP_GREEN2); - seq_printf(m, "blue_comp: %8d %8d %8d %8d\n", - cam->params.exposure.blueComp, COMP_BLUE, 255, COMP_BLUE); - - seq_printf(m, "apcor_gain1: %#8x %#8x %#8x %#8x\n", - cam->params.apcor.gain1, 0, 0xff, 0x1c); - seq_printf(m, "apcor_gain2: %#8x %#8x %#8x %#8x\n", - cam->params.apcor.gain2, 0, 0xff, 0x1a); - seq_printf(m, "apcor_gain4: %#8x %#8x %#8x %#8x\n", - cam->params.apcor.gain4, 0, 0xff, 0x2d); - seq_printf(m, "apcor_gain8: %#8x %#8x %#8x %#8x\n", - cam->params.apcor.gain8, 0, 0xff, 0x2a); - seq_printf(m, "vl_offset_gain1: %8d %8d %8d %8d\n", - cam->params.vlOffset.gain1, 0, 255, 24); - seq_printf(m, "vl_offset_gain2: %8d %8d %8d %8d\n", - cam->params.vlOffset.gain2, 0, 255, 28); - seq_printf(m, "vl_offset_gain4: %8d %8d %8d %8d\n", - cam->params.vlOffset.gain4, 0, 255, 30); - seq_printf(m, "vl_offset_gain8: %8d %8d %8d %8d\n", - cam->params.vlOffset.gain8, 0, 255, 30); - seq_printf(m, "flicker_control: %8s %8s %8s %8s\n", - cam->params.flickerControl.flickerMode ? "on" : "off", - "off", "on", "off"); - seq_printf(m, "mains_frequency: %8d %8d %8d %8d" - " only 50/60\n", - cam->mainsFreq ? 60 : 50, 50, 60, 50); - if(cam->params.flickerControl.allowableOverExposure < 0) - seq_printf(m, "allowable_overexposure: %4dauto auto %8d auto\n", - -cam->params.flickerControl.allowableOverExposure, - 255); - else - seq_printf(m, "allowable_overexposure: %8d auto %8d auto\n", - cam->params.flickerControl.allowableOverExposure, - 255); - seq_printf(m, "compression_mode: "); - switch(cam->params.compression.mode) { - case CPIA_COMPRESSION_NONE: - seq_printf(m, "%8s", "none"); - break; - case CPIA_COMPRESSION_AUTO: - seq_printf(m, "%8s", "auto"); - break; - case CPIA_COMPRESSION_MANUAL: - seq_printf(m, "%8s", "manual"); - break; - default: - seq_printf(m, "%8s", "unknown"); - break; - } - seq_printf(m, " none,auto,manual auto\n"); - seq_printf(m, "decimation_enable: %8s %8s %8s %8s\n", - cam->params.compression.decimation == - DECIMATION_ENAB ? "on":"off", "off", "on", - "off"); - seq_printf(m, "compression_target: %9s %9s %9s %9s\n", - cam->params.compressionTarget.frTargeting == - CPIA_COMPRESSION_TARGET_FRAMERATE ? - "framerate":"quality", - "framerate", "quality", "quality"); - seq_printf(m, "target_framerate: %8d %8d %8d %8d\n", - cam->params.compressionTarget.targetFR, 1, 30, 15); - seq_printf(m, "target_quality: %8d %8d %8d %8d\n", - cam->params.compressionTarget.targetQ, 1, 64, 5); - seq_printf(m, "y_threshold: %8d %8d %8d %8d\n", - cam->params.yuvThreshold.yThreshold, 0, 31, 6); - seq_printf(m, "uv_threshold: %8d %8d %8d %8d\n", - cam->params.yuvThreshold.uvThreshold, 0, 31, 6); - seq_printf(m, "hysteresis: %8d %8d %8d %8d\n", - cam->params.compressionParams.hysteresis, 0, 255, 3); - seq_printf(m, "threshold_max: %8d %8d %8d %8d\n", - cam->params.compressionParams.threshMax, 0, 255, 11); - seq_printf(m, "small_step: %8d %8d %8d %8d\n", - cam->params.compressionParams.smallStep, 0, 255, 1); - seq_printf(m, "large_step: %8d %8d %8d %8d\n", - cam->params.compressionParams.largeStep, 0, 255, 3); - seq_printf(m, "decimation_hysteresis: %8d %8d %8d %8d\n", - cam->params.compressionParams.decimationHysteresis, - 0, 255, 2); - seq_printf(m, "fr_diff_step_thresh: %8d %8d %8d %8d\n", - cam->params.compressionParams.frDiffStepThresh, - 0, 255, 5); - seq_printf(m, "q_diff_step_thresh: %8d %8d %8d %8d\n", - cam->params.compressionParams.qDiffStepThresh, - 0, 255, 3); - seq_printf(m, "decimation_thresh_mod: %8d %8d %8d %8d\n", - cam->params.compressionParams.decimationThreshMod, - 0, 255, 2); - /* QX3 specific entries */ - if (cam->params.qx3.qx3_detected) { - seq_printf(m, "toplight: %8s %8s %8s %8s\n", - cam->params.qx3.toplight ? "on" : "off", - "off", "on", "off"); - seq_printf(m, "bottomlight: %8s %8s %8s %8s\n", - cam->params.qx3.bottomlight ? "on" : "off", - "off", "on", "off"); - } - - return 0; -} - -static int cpia_proc_open(struct inode *inode, struct file *file) -{ - return single_open(file, cpia_proc_show, PDE(inode)->data); -} - -static int match(char *checkstr, char **buffer, size_t *count, - int *find_colon, int *err) -{ - int ret, colon_found = 1; - int len = strlen(checkstr); - ret = (len <= *count && strncmp(*buffer, checkstr, len) == 0); - if (ret) { - *buffer += len; - *count -= len; - if (*find_colon) { - colon_found = 0; - while (*count && (**buffer == ' ' || **buffer == '\t' || - (!colon_found && **buffer == ':'))) { - if (**buffer == ':') - colon_found = 1; - --*count; - ++*buffer; - } - if (!*count || !colon_found) - *err = -EINVAL; - *find_colon = 0; - } - } - return ret; -} - -static unsigned long int value(char **buffer, size_t *count, int *err) -{ - char *p; - unsigned long int ret; - ret = simple_strtoul(*buffer, &p, 0); - if (p == *buffer) - *err = -EINVAL; - else { - *count -= p - *buffer; - *buffer = p; - } - return ret; -} - -static ssize_t cpia_proc_write(struct file *file, const char __user *buf, - size_t count, loff_t *pos) -{ - struct cam_data *cam = PDE(file->f_path.dentry->d_inode)->data; - struct cam_params new_params; - char *page, *buffer; - int retval, find_colon; - int size = count; - unsigned long val = 0; - u32 command_flags = 0; - u8 new_mains; - - /* - * This code to copy from buf to page is shamelessly copied - * from the comx driver - */ - if (count > PAGE_SIZE) { - printk(KERN_ERR "count is %zu > %d!!!\n", count, (int)PAGE_SIZE); - return -ENOSPC; - } - - if (!(page = (char *)__get_free_page(GFP_KERNEL))) return -ENOMEM; - - if(copy_from_user(page, buf, count)) - { - retval = -EFAULT; - goto out; - } - - if (page[count-1] == '\n') - page[count-1] = '\0'; - else if (count < PAGE_SIZE) - page[count] = '\0'; - else if (page[count]) { - retval = -EINVAL; - goto out; - } - - buffer = page; - - if (mutex_lock_interruptible(&cam->param_lock)) - return -ERESTARTSYS; - - /* - * Skip over leading whitespace - */ - while (count && isspace(*buffer)) { - --count; - ++buffer; - } - - memcpy(&new_params, &cam->params, sizeof(struct cam_params)); - new_mains = cam->mainsFreq; - -#define MATCH(x) (match(x, &buffer, &count, &find_colon, &retval)) -#define VALUE (value(&buffer,&count, &retval)) -#define FIRMWARE_VERSION(x,y) (new_params.version.firmwareVersion == (x) && \ - new_params.version.firmwareRevision == (y)) - - retval = 0; - while (count && !retval) { - find_colon = 1; - if (MATCH("brightness")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 100) - new_params.colourParams.brightness = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOLOURPARAMS; - if(new_params.flickerControl.allowableOverExposure < 0) - new_params.flickerControl.allowableOverExposure = - -find_over_exposure(new_params.colourParams.brightness); - if(new_params.flickerControl.flickerMode != 0) - command_flags |= COMMAND_SETFLICKERCTRL; - - } else if (MATCH("contrast")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 100) { - /* contrast is in steps of 8, so round*/ - val = ((val + 3) / 8) * 8; - /* 1-02 firmware limits contrast to 80*/ - if (FIRMWARE_VERSION(1,2) && val > 80) - val = 80; - - new_params.colourParams.contrast = val; - } else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOLOURPARAMS; - } else if (MATCH("saturation")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 100) - new_params.colourParams.saturation = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOLOURPARAMS; - } else if (MATCH("sensor_fps")) { - if (!retval) - val = VALUE; - - if (!retval) { - /* find values so that sensorFPS is minimized, - * but >= val */ - if (val > 30) - retval = -EINVAL; - else if (val > 25) { - new_params.sensorFps.divisor = 0; - new_params.sensorFps.baserate = 1; - } else if (val > 15) { - new_params.sensorFps.divisor = 0; - new_params.sensorFps.baserate = 0; - } else if (val > 12) { - new_params.sensorFps.divisor = 1; - new_params.sensorFps.baserate = 1; - } else if (val > 7) { - new_params.sensorFps.divisor = 1; - new_params.sensorFps.baserate = 0; - } else if (val > 6) { - new_params.sensorFps.divisor = 2; - new_params.sensorFps.baserate = 1; - } else if (val > 3) { - new_params.sensorFps.divisor = 2; - new_params.sensorFps.baserate = 0; - } else { - new_params.sensorFps.divisor = 3; - /* Either base rate would work here */ - new_params.sensorFps.baserate = 1; - } - new_params.flickerControl.coarseJump = - flicker_jumps[new_mains] - [new_params.sensorFps.baserate] - [new_params.sensorFps.divisor]; - if (new_params.flickerControl.flickerMode) - command_flags |= COMMAND_SETFLICKERCTRL; - } - command_flags |= COMMAND_SETSENSORFPS; - cam->exposure_status = EXPOSURE_NORMAL; - } else if (MATCH("stream_start_line")) { - if (!retval) - val = VALUE; - - if (!retval) { - int max_line = 288; - - if (new_params.format.videoSize == VIDEOSIZE_QCIF) - max_line = 144; - if (val <= max_line) - new_params.streamStartLine = val/2; - else - retval = -EINVAL; - } - } else if (MATCH("sub_sample")) { - if (!retval && MATCH("420")) - new_params.format.subSample = SUBSAMPLE_420; - else if (!retval && MATCH("422")) - new_params.format.subSample = SUBSAMPLE_422; - else - retval = -EINVAL; - - command_flags |= COMMAND_SETFORMAT; - } else if (MATCH("yuv_order")) { - if (!retval && MATCH("YUYV")) - new_params.format.yuvOrder = YUVORDER_YUYV; - else if (!retval && MATCH("UYVY")) - new_params.format.yuvOrder = YUVORDER_UYVY; - else - retval = -EINVAL; - - command_flags |= COMMAND_SETFORMAT; - } else if (MATCH("ecp_timing")) { - if (!retval && MATCH("normal")) - new_params.ecpTiming = 0; - else if (!retval && MATCH("slow")) - new_params.ecpTiming = 1; - else - retval = -EINVAL; - - command_flags |= COMMAND_SETECPTIMING; - } else if (MATCH("color_balance_mode")) { - if (!retval && MATCH("manual")) - new_params.colourBalance.balanceMode = 3; - else if (!retval && MATCH("auto")) - new_params.colourBalance.balanceMode = 2; - else - retval = -EINVAL; - - command_flags |= COMMAND_SETCOLOURBALANCE; - } else if (MATCH("red_gain")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 212) { - new_params.colourBalance.redGain = val; - new_params.colourBalance.balanceMode = 1; - } else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOLOURBALANCE; - } else if (MATCH("green_gain")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 212) { - new_params.colourBalance.greenGain = val; - new_params.colourBalance.balanceMode = 1; - } else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOLOURBALANCE; - } else if (MATCH("blue_gain")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 212) { - new_params.colourBalance.blueGain = val; - new_params.colourBalance.balanceMode = 1; - } else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOLOURBALANCE; - } else if (MATCH("max_gain")) { - if (!retval) - val = VALUE; - - if (!retval) { - /* 1-02 firmware limits gain to 2 */ - if (FIRMWARE_VERSION(1,2) && val > 2) - val = 2; - switch(val) { - case 1: - new_params.exposure.gainMode = 1; - break; - case 2: - new_params.exposure.gainMode = 2; - break; - case 4: - new_params.exposure.gainMode = 3; - break; - case 8: - new_params.exposure.gainMode = 4; - break; - default: - retval = -EINVAL; - break; - } - } - command_flags |= COMMAND_SETEXPOSURE; - } else if (MATCH("exposure_mode")) { - if (!retval && MATCH("auto")) - new_params.exposure.expMode = 2; - else if (!retval && MATCH("manual")) { - if (new_params.exposure.expMode == 2) - new_params.exposure.expMode = 3; - if(new_params.flickerControl.flickerMode != 0) - command_flags |= COMMAND_SETFLICKERCTRL; - new_params.flickerControl.flickerMode = 0; - } else - retval = -EINVAL; - - command_flags |= COMMAND_SETEXPOSURE; - } else if (MATCH("centre_weight")) { - if (!retval && MATCH("on")) - new_params.exposure.centreWeight = 1; - else if (!retval && MATCH("off")) - new_params.exposure.centreWeight = 2; - else - retval = -EINVAL; - - command_flags |= COMMAND_SETEXPOSURE; - } else if (MATCH("gain")) { - if (!retval) - val = VALUE; - - if (!retval) { - switch(val) { - case 1: - new_params.exposure.gain = 0; - break; - case 2: - new_params.exposure.gain = 1; - break; - case 4: - new_params.exposure.gain = 2; - break; - case 8: - new_params.exposure.gain = 3; - break; - default: - retval = -EINVAL; - break; - } - new_params.exposure.expMode = 1; - if(new_params.flickerControl.flickerMode != 0) - command_flags |= COMMAND_SETFLICKERCTRL; - new_params.flickerControl.flickerMode = 0; - command_flags |= COMMAND_SETEXPOSURE; - if (new_params.exposure.gain > - new_params.exposure.gainMode-1) - retval = -EINVAL; - } - } else if (MATCH("fine_exp")) { - if (!retval) - val = VALUE/2; - - if (!retval) { - if (val < 256) { - /* 1-02 firmware limits fineExp/2 to 127*/ - if (FIRMWARE_VERSION(1,2) && val > 127) - val = 127; - new_params.exposure.fineExp = val; - new_params.exposure.expMode = 1; - command_flags |= COMMAND_SETEXPOSURE; - if(new_params.flickerControl.flickerMode != 0) - command_flags |= COMMAND_SETFLICKERCTRL; - new_params.flickerControl.flickerMode = 0; - command_flags |= COMMAND_SETFLICKERCTRL; - } else - retval = -EINVAL; - } - } else if (MATCH("coarse_exp")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= MAX_EXP) { - if (FIRMWARE_VERSION(1,2) && - val > MAX_EXP_102) - val = MAX_EXP_102; - new_params.exposure.coarseExpLo = - val & 0xff; - new_params.exposure.coarseExpHi = - val >> 8; - new_params.exposure.expMode = 1; - command_flags |= COMMAND_SETEXPOSURE; - if(new_params.flickerControl.flickerMode != 0) - command_flags |= COMMAND_SETFLICKERCTRL; - new_params.flickerControl.flickerMode = 0; - command_flags |= COMMAND_SETFLICKERCTRL; - } else - retval = -EINVAL; - } - } else if (MATCH("red_comp")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val >= COMP_RED && val <= 255) { - new_params.exposure.redComp = val; - new_params.exposure.compMode = 1; - command_flags |= COMMAND_SETEXPOSURE; - } else - retval = -EINVAL; - } - } else if (MATCH("green1_comp")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val >= COMP_GREEN1 && val <= 255) { - new_params.exposure.green1Comp = val; - new_params.exposure.compMode = 1; - command_flags |= COMMAND_SETEXPOSURE; - } else - retval = -EINVAL; - } - } else if (MATCH("green2_comp")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val >= COMP_GREEN2 && val <= 255) { - new_params.exposure.green2Comp = val; - new_params.exposure.compMode = 1; - command_flags |= COMMAND_SETEXPOSURE; - } else - retval = -EINVAL; - } - } else if (MATCH("blue_comp")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val >= COMP_BLUE && val <= 255) { - new_params.exposure.blueComp = val; - new_params.exposure.compMode = 1; - command_flags |= COMMAND_SETEXPOSURE; - } else - retval = -EINVAL; - } - } else if (MATCH("apcor_gain1")) { - if (!retval) - val = VALUE; - - if (!retval) { - command_flags |= COMMAND_SETAPCOR; - if (val <= 0xff) - new_params.apcor.gain1 = val; - else - retval = -EINVAL; - } - } else if (MATCH("apcor_gain2")) { - if (!retval) - val = VALUE; - - if (!retval) { - command_flags |= COMMAND_SETAPCOR; - if (val <= 0xff) - new_params.apcor.gain2 = val; - else - retval = -EINVAL; - } - } else if (MATCH("apcor_gain4")) { - if (!retval) - val = VALUE; - - if (!retval) { - command_flags |= COMMAND_SETAPCOR; - if (val <= 0xff) - new_params.apcor.gain4 = val; - else - retval = -EINVAL; - } - } else if (MATCH("apcor_gain8")) { - if (!retval) - val = VALUE; - - if (!retval) { - command_flags |= COMMAND_SETAPCOR; - if (val <= 0xff) - new_params.apcor.gain8 = val; - else - retval = -EINVAL; - } - } else if (MATCH("vl_offset_gain1")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.vlOffset.gain1 = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETVLOFFSET; - } else if (MATCH("vl_offset_gain2")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.vlOffset.gain2 = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETVLOFFSET; - } else if (MATCH("vl_offset_gain4")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.vlOffset.gain4 = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETVLOFFSET; - } else if (MATCH("vl_offset_gain8")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.vlOffset.gain8 = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETVLOFFSET; - } else if (MATCH("flicker_control")) { - if (!retval && MATCH("on")) { - set_flicker(&new_params, &command_flags, 1); - } else if (!retval && MATCH("off")) { - set_flicker(&new_params, &command_flags, 0); - } else - retval = -EINVAL; - - command_flags |= COMMAND_SETFLICKERCTRL; - } else if (MATCH("mains_frequency")) { - if (!retval && MATCH("50")) { - new_mains = 0; - new_params.flickerControl.coarseJump = - flicker_jumps[new_mains] - [new_params.sensorFps.baserate] - [new_params.sensorFps.divisor]; - if (new_params.flickerControl.flickerMode) - command_flags |= COMMAND_SETFLICKERCTRL; - } else if (!retval && MATCH("60")) { - new_mains = 1; - new_params.flickerControl.coarseJump = - flicker_jumps[new_mains] - [new_params.sensorFps.baserate] - [new_params.sensorFps.divisor]; - if (new_params.flickerControl.flickerMode) - command_flags |= COMMAND_SETFLICKERCTRL; - } else - retval = -EINVAL; - } else if (MATCH("allowable_overexposure")) { - if (!retval && MATCH("auto")) { - new_params.flickerControl.allowableOverExposure = - -find_over_exposure(new_params.colourParams.brightness); - if(new_params.flickerControl.flickerMode != 0) - command_flags |= COMMAND_SETFLICKERCTRL; - } else { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) { - new_params.flickerControl. - allowableOverExposure = val; - if(new_params.flickerControl.flickerMode != 0) - command_flags |= COMMAND_SETFLICKERCTRL; - } else - retval = -EINVAL; - } - } - } else if (MATCH("compression_mode")) { - if (!retval && MATCH("none")) - new_params.compression.mode = - CPIA_COMPRESSION_NONE; - else if (!retval && MATCH("auto")) - new_params.compression.mode = - CPIA_COMPRESSION_AUTO; - else if (!retval && MATCH("manual")) - new_params.compression.mode = - CPIA_COMPRESSION_MANUAL; - else - retval = -EINVAL; - - command_flags |= COMMAND_SETCOMPRESSION; - } else if (MATCH("decimation_enable")) { - if (!retval && MATCH("off")) - new_params.compression.decimation = 0; - else if (!retval && MATCH("on")) - new_params.compression.decimation = 1; - else - retval = -EINVAL; - - command_flags |= COMMAND_SETCOMPRESSION; - } else if (MATCH("compression_target")) { - if (!retval && MATCH("quality")) - new_params.compressionTarget.frTargeting = - CPIA_COMPRESSION_TARGET_QUALITY; - else if (!retval && MATCH("framerate")) - new_params.compressionTarget.frTargeting = - CPIA_COMPRESSION_TARGET_FRAMERATE; - else - retval = -EINVAL; - - command_flags |= COMMAND_SETCOMPRESSIONTARGET; - } else if (MATCH("target_framerate")) { - if (!retval) - val = VALUE; - - if (!retval) { - if(val > 0 && val <= 30) - new_params.compressionTarget.targetFR = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOMPRESSIONTARGET; - } else if (MATCH("target_quality")) { - if (!retval) - val = VALUE; - - if (!retval) { - if(val > 0 && val <= 64) - new_params.compressionTarget.targetQ = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOMPRESSIONTARGET; - } else if (MATCH("y_threshold")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val < 32) - new_params.yuvThreshold.yThreshold = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETYUVTHRESH; - } else if (MATCH("uv_threshold")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val < 32) - new_params.yuvThreshold.uvThreshold = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETYUVTHRESH; - } else if (MATCH("hysteresis")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.compressionParams.hysteresis = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOMPRESSIONPARAMS; - } else if (MATCH("threshold_max")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.compressionParams.threshMax = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOMPRESSIONPARAMS; - } else if (MATCH("small_step")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.compressionParams.smallStep = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOMPRESSIONPARAMS; - } else if (MATCH("large_step")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.compressionParams.largeStep = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOMPRESSIONPARAMS; - } else if (MATCH("decimation_hysteresis")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.compressionParams.decimationHysteresis = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOMPRESSIONPARAMS; - } else if (MATCH("fr_diff_step_thresh")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.compressionParams.frDiffStepThresh = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOMPRESSIONPARAMS; - } else if (MATCH("q_diff_step_thresh")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.compressionParams.qDiffStepThresh = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOMPRESSIONPARAMS; - } else if (MATCH("decimation_thresh_mod")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.compressionParams.decimationThreshMod = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOMPRESSIONPARAMS; - } else if (MATCH("toplight")) { - if (!retval && MATCH("on")) - new_params.qx3.toplight = 1; - else if (!retval && MATCH("off")) - new_params.qx3.toplight = 0; - else - retval = -EINVAL; - command_flags |= COMMAND_SETLIGHTS; - } else if (MATCH("bottomlight")) { - if (!retval && MATCH("on")) - new_params.qx3.bottomlight = 1; - else if (!retval && MATCH("off")) - new_params.qx3.bottomlight = 0; - else - retval = -EINVAL; - command_flags |= COMMAND_SETLIGHTS; - } else { - DBG("No match found\n"); - retval = -EINVAL; - } - - if (!retval) { - while (count && isspace(*buffer) && *buffer != '\n') { - --count; - ++buffer; - } - if (count) { - if (*buffer == '\0' && count != 1) - retval = -EINVAL; - else if (*buffer != '\n' && *buffer != ';' && - *buffer != '\0') - retval = -EINVAL; - else { - --count; - ++buffer; - } - } - } - } -#undef MATCH -#undef VALUE -#undef FIRMWARE_VERSION - if (!retval) { - if (command_flags & COMMAND_SETCOLOURPARAMS) { - /* Adjust cam->vp to reflect these changes */ - cam->vp.brightness = - new_params.colourParams.brightness*65535/100; - cam->vp.contrast = - new_params.colourParams.contrast*65535/100; - cam->vp.colour = - new_params.colourParams.saturation*65535/100; - } - if((command_flags & COMMAND_SETEXPOSURE) && - new_params.exposure.expMode == 2) - cam->exposure_status = EXPOSURE_NORMAL; - - memcpy(&cam->params, &new_params, sizeof(struct cam_params)); - cam->mainsFreq = new_mains; - cam->cmd_queue |= command_flags; - retval = size; - } else - DBG("error: %d\n", retval); - - mutex_unlock(&cam->param_lock); - -out: - free_page((unsigned long)page); - return retval; -} - -static const struct file_operations cpia_proc_fops = { - .owner = THIS_MODULE, - .open = cpia_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = cpia_proc_write, -}; - -static void create_proc_cpia_cam(struct cam_data *cam) -{ - struct proc_dir_entry *ent; - - if (!cpia_proc_root || !cam) - return; - - ent = proc_create_data(video_device_node_name(&cam->vdev), - S_IRUGO|S_IWUSR, cpia_proc_root, - &cpia_proc_fops, cam); - if (!ent) - return; - - /* - size of the proc entry is 3736 bytes for the standard webcam; - the extra features of the QX3 microscope add 189 bytes. - (we have not yet probed the camera to see which type it is). - */ - ent->size = 3736 + 189; - cam->proc_entry = ent; -} - -static void destroy_proc_cpia_cam(struct cam_data *cam) -{ - if (!cam || !cam->proc_entry) - return; - - remove_proc_entry(video_device_node_name(&cam->vdev), cpia_proc_root); - cam->proc_entry = NULL; -} - -static void proc_cpia_create(void) -{ - cpia_proc_root = proc_mkdir("cpia", NULL); - - if (!cpia_proc_root) - LOG("Unable to initialise /proc/cpia\n"); -} - -static void __exit proc_cpia_destroy(void) -{ - remove_proc_entry("cpia", NULL); -} -#endif /* CONFIG_PROC_FS */ - -/* ----------------------- debug functions ---------------------- */ - -#define printstatus(cam) \ - DBG("%02x %02x %02x %02x %02x %02x %02x %02x\n",\ - cam->params.status.systemState, cam->params.status.grabState, \ - cam->params.status.streamState, cam->params.status.fatalError, \ - cam->params.status.cmdError, cam->params.status.debugFlags, \ - cam->params.status.vpStatus, cam->params.status.errorCode); - -/* ----------------------- v4l helpers -------------------------- */ - -/* supported frame palettes and depths */ -static inline int valid_mode(u16 palette, u16 depth) -{ - if ((palette == VIDEO_PALETTE_YUV422 && depth == 16) || - (palette == VIDEO_PALETTE_YUYV && depth == 16)) - return 1; - - if (colorspace_conv) - return (palette == VIDEO_PALETTE_GREY && depth == 8) || - (palette == VIDEO_PALETTE_RGB555 && depth == 16) || - (palette == VIDEO_PALETTE_RGB565 && depth == 16) || - (palette == VIDEO_PALETTE_RGB24 && depth == 24) || - (palette == VIDEO_PALETTE_RGB32 && depth == 32) || - (palette == VIDEO_PALETTE_UYVY && depth == 16); - - return 0; -} - -static int match_videosize( int width, int height ) -{ - /* return the best match, where 'best' is as always - * the largest that is not bigger than what is requested. */ - if (width>=352 && height>=288) - return VIDEOSIZE_352_288; /* CIF */ - - if (width>=320 && height>=240) - return VIDEOSIZE_320_240; /* SIF */ - - if (width>=288 && height>=216) - return VIDEOSIZE_288_216; - - if (width>=256 && height>=192) - return VIDEOSIZE_256_192; - - if (width>=224 && height>=168) - return VIDEOSIZE_224_168; - - if (width>=192 && height>=144) - return VIDEOSIZE_192_144; - - if (width>=176 && height>=144) - return VIDEOSIZE_176_144; /* QCIF */ - - if (width>=160 && height>=120) - return VIDEOSIZE_160_120; /* QSIF */ - - if (width>=128 && height>=96) - return VIDEOSIZE_128_96; - - if (width>=88 && height>=72) - return VIDEOSIZE_88_72; - - if (width>=64 && height>=48) - return VIDEOSIZE_64_48; - - if (width>=48 && height>=48) - return VIDEOSIZE_48_48; - - return -1; -} - -/* these are the capture sizes we support */ -static void set_vw_size(struct cam_data *cam) -{ - /* the col/row/start/end values are the result of simple math */ - /* study the SetROI-command in cpia developers guide p 2-22 */ - /* streamStartLine is set to the recommended value in the cpia */ - /* developers guide p 3-37 */ - switch(cam->video_size) { - case VIDEOSIZE_CIF: - cam->vw.width = 352; - cam->vw.height = 288; - cam->params.format.videoSize=VIDEOSIZE_CIF; - cam->params.roi.colStart=0; - cam->params.roi.rowStart=0; - cam->params.streamStartLine = 120; - break; - case VIDEOSIZE_SIF: - cam->vw.width = 320; - cam->vw.height = 240; - cam->params.format.videoSize=VIDEOSIZE_CIF; - cam->params.roi.colStart=2; - cam->params.roi.rowStart=6; - cam->params.streamStartLine = 120; - break; - case VIDEOSIZE_288_216: - cam->vw.width = 288; - cam->vw.height = 216; - cam->params.format.videoSize=VIDEOSIZE_CIF; - cam->params.roi.colStart=4; - cam->params.roi.rowStart=9; - cam->params.streamStartLine = 120; - break; - case VIDEOSIZE_256_192: - cam->vw.width = 256; - cam->vw.height = 192; - cam->params.format.videoSize=VIDEOSIZE_CIF; - cam->params.roi.colStart=6; - cam->params.roi.rowStart=12; - cam->params.streamStartLine = 120; - break; - case VIDEOSIZE_224_168: - cam->vw.width = 224; - cam->vw.height = 168; - cam->params.format.videoSize=VIDEOSIZE_CIF; - cam->params.roi.colStart=8; - cam->params.roi.rowStart=15; - cam->params.streamStartLine = 120; - break; - case VIDEOSIZE_192_144: - cam->vw.width = 192; - cam->vw.height = 144; - cam->params.format.videoSize=VIDEOSIZE_CIF; - cam->params.roi.colStart=10; - cam->params.roi.rowStart=18; - cam->params.streamStartLine = 120; - break; - case VIDEOSIZE_QCIF: - cam->vw.width = 176; - cam->vw.height = 144; - cam->params.format.videoSize=VIDEOSIZE_QCIF; - cam->params.roi.colStart=0; - cam->params.roi.rowStart=0; - cam->params.streamStartLine = 60; - break; - case VIDEOSIZE_QSIF: - cam->vw.width = 160; - cam->vw.height = 120; - cam->params.format.videoSize=VIDEOSIZE_QCIF; - cam->params.roi.colStart=1; - cam->params.roi.rowStart=3; - cam->params.streamStartLine = 60; - break; - case VIDEOSIZE_128_96: - cam->vw.width = 128; - cam->vw.height = 96; - cam->params.format.videoSize=VIDEOSIZE_QCIF; - cam->params.roi.colStart=3; - cam->params.roi.rowStart=6; - cam->params.streamStartLine = 60; - break; - case VIDEOSIZE_88_72: - cam->vw.width = 88; - cam->vw.height = 72; - cam->params.format.videoSize=VIDEOSIZE_QCIF; - cam->params.roi.colStart=5; - cam->params.roi.rowStart=9; - cam->params.streamStartLine = 60; - break; - case VIDEOSIZE_64_48: - cam->vw.width = 64; - cam->vw.height = 48; - cam->params.format.videoSize=VIDEOSIZE_QCIF; - cam->params.roi.colStart=7; - cam->params.roi.rowStart=12; - cam->params.streamStartLine = 60; - break; - case VIDEOSIZE_48_48: - cam->vw.width = 48; - cam->vw.height = 48; - cam->params.format.videoSize=VIDEOSIZE_QCIF; - cam->params.roi.colStart=8; - cam->params.roi.rowStart=6; - cam->params.streamStartLine = 60; - break; - default: - LOG("bad videosize value: %d\n", cam->video_size); - return; - } - - if(cam->vc.width == 0) - cam->vc.width = cam->vw.width; - if(cam->vc.height == 0) - cam->vc.height = cam->vw.height; - - cam->params.roi.colStart += cam->vc.x >> 3; - cam->params.roi.colEnd = cam->params.roi.colStart + - (cam->vc.width >> 3); - cam->params.roi.rowStart += cam->vc.y >> 2; - cam->params.roi.rowEnd = cam->params.roi.rowStart + - (cam->vc.height >> 2); - - return; -} - -static int allocate_frame_buf(struct cam_data *cam) -{ - int i; - - cam->frame_buf = rvmalloc(FRAME_NUM * CPIA_MAX_FRAME_SIZE); - if (!cam->frame_buf) - return -ENOBUFS; - - for (i = 0; i < FRAME_NUM; i++) - cam->frame[i].data = cam->frame_buf + i * CPIA_MAX_FRAME_SIZE; - - return 0; -} - -static int free_frame_buf(struct cam_data *cam) -{ - int i; - - rvfree(cam->frame_buf, FRAME_NUM*CPIA_MAX_FRAME_SIZE); - cam->frame_buf = NULL; - for (i=0; i < FRAME_NUM; i++) - cam->frame[i].data = NULL; - - return 0; -} - - -static inline void free_frames(struct cpia_frame frame[FRAME_NUM]) -{ - int i; - - for (i=0; i < FRAME_NUM; i++) - frame[i].state = FRAME_UNUSED; - return; -} - -/********************************************************************** - * - * General functions - * - **********************************************************************/ -/* send an arbitrary command to the camera */ -static int do_command(struct cam_data *cam, u16 command, u8 a, u8 b, u8 c, u8 d) -{ - int retval, datasize; - u8 cmd[8], data[8]; - - switch(command) { - case CPIA_COMMAND_GetCPIAVersion: - case CPIA_COMMAND_GetPnPID: - case CPIA_COMMAND_GetCameraStatus: - case CPIA_COMMAND_GetVPVersion: - datasize=8; - break; - case CPIA_COMMAND_GetColourParams: - case CPIA_COMMAND_GetColourBalance: - case CPIA_COMMAND_GetExposure: - mutex_lock(&cam->param_lock); - datasize=8; - break; - case CPIA_COMMAND_ReadMCPorts: - case CPIA_COMMAND_ReadVCRegs: - datasize = 4; - break; - default: - datasize=0; - break; - } - - cmd[0] = command>>8; - cmd[1] = command&0xff; - cmd[2] = a; - cmd[3] = b; - cmd[4] = c; - cmd[5] = d; - cmd[6] = datasize; - cmd[7] = 0; - - retval = cam->ops->transferCmd(cam->lowlevel_data, cmd, data); - if (retval) { - DBG("%x - failed, retval=%d\n", command, retval); - if (command == CPIA_COMMAND_GetColourParams || - command == CPIA_COMMAND_GetColourBalance || - command == CPIA_COMMAND_GetExposure) - mutex_unlock(&cam->param_lock); - } else { - switch(command) { - case CPIA_COMMAND_GetCPIAVersion: - cam->params.version.firmwareVersion = data[0]; - cam->params.version.firmwareRevision = data[1]; - cam->params.version.vcVersion = data[2]; - cam->params.version.vcRevision = data[3]; - break; - case CPIA_COMMAND_GetPnPID: - cam->params.pnpID.vendor = data[0]+(((u16)data[1])<<8); - cam->params.pnpID.product = data[2]+(((u16)data[3])<<8); - cam->params.pnpID.deviceRevision = - data[4]+(((u16)data[5])<<8); - break; - case CPIA_COMMAND_GetCameraStatus: - cam->params.status.systemState = data[0]; - cam->params.status.grabState = data[1]; - cam->params.status.streamState = data[2]; - cam->params.status.fatalError = data[3]; - cam->params.status.cmdError = data[4]; - cam->params.status.debugFlags = data[5]; - cam->params.status.vpStatus = data[6]; - cam->params.status.errorCode = data[7]; - break; - case CPIA_COMMAND_GetVPVersion: - cam->params.vpVersion.vpVersion = data[0]; - cam->params.vpVersion.vpRevision = data[1]; - cam->params.vpVersion.cameraHeadID = - data[2]+(((u16)data[3])<<8); - break; - case CPIA_COMMAND_GetColourParams: - cam->params.colourParams.brightness = data[0]; - cam->params.colourParams.contrast = data[1]; - cam->params.colourParams.saturation = data[2]; - mutex_unlock(&cam->param_lock); - break; - case CPIA_COMMAND_GetColourBalance: - cam->params.colourBalance.redGain = data[0]; - cam->params.colourBalance.greenGain = data[1]; - cam->params.colourBalance.blueGain = data[2]; - mutex_unlock(&cam->param_lock); - break; - case CPIA_COMMAND_GetExposure: - cam->params.exposure.gain = data[0]; - cam->params.exposure.fineExp = data[1]; - cam->params.exposure.coarseExpLo = data[2]; - cam->params.exposure.coarseExpHi = data[3]; - cam->params.exposure.redComp = data[4]; - cam->params.exposure.green1Comp = data[5]; - cam->params.exposure.green2Comp = data[6]; - cam->params.exposure.blueComp = data[7]; - mutex_unlock(&cam->param_lock); - break; - - case CPIA_COMMAND_ReadMCPorts: - if (!cam->params.qx3.qx3_detected) - break; - /* test button press */ - cam->params.qx3.button = ((data[1] & 0x02) == 0); - if (cam->params.qx3.button) { - /* button pressed - unlock the latch */ - do_command(cam,CPIA_COMMAND_WriteMCPort,3,0xDF,0xDF,0); - do_command(cam,CPIA_COMMAND_WriteMCPort,3,0xFF,0xFF,0); - } - - /* test whether microscope is cradled */ - cam->params.qx3.cradled = ((data[2] & 0x40) == 0); - break; - - default: - break; - } - } - return retval; -} - -/* send a command to the camera with an additional data transaction */ -static int do_command_extended(struct cam_data *cam, u16 command, - u8 a, u8 b, u8 c, u8 d, - u8 e, u8 f, u8 g, u8 h, - u8 i, u8 j, u8 k, u8 l) -{ - int retval; - u8 cmd[8], data[8]; - - cmd[0] = command>>8; - cmd[1] = command&0xff; - cmd[2] = a; - cmd[3] = b; - cmd[4] = c; - cmd[5] = d; - cmd[6] = 8; - cmd[7] = 0; - data[0] = e; - data[1] = f; - data[2] = g; - data[3] = h; - data[4] = i; - data[5] = j; - data[6] = k; - data[7] = l; - - retval = cam->ops->transferCmd(cam->lowlevel_data, cmd, data); - if (retval) - DBG("%x - failed\n", command); - - return retval; -} - -/********************************************************************** - * - * Colorspace conversion - * - **********************************************************************/ -#define LIMIT(x) ((((x)>0xffffff)?0xff0000:(((x)<=0xffff)?0:(x)&0xff0000))>>16) - -static int convert420(unsigned char *yuv, unsigned char *rgb, int out_fmt, - int linesize, int mmap_kludge) -{ - int y, u, v, r, g, b, y1; - - /* Odd lines use the same u and v as the previous line. - * Because of compression, it is necessary to get this - * information from the decoded image. */ - switch(out_fmt) { - case VIDEO_PALETTE_RGB555: - y = (*yuv++ - 16) * 76310; - y1 = (*yuv - 16) * 76310; - r = ((*(rgb+1-linesize)) & 0x7c) << 1; - g = ((*(rgb-linesize)) & 0xe0) >> 4 | - ((*(rgb+1-linesize)) & 0x03) << 6; - b = ((*(rgb-linesize)) & 0x1f) << 3; - u = (-53294 * r - 104635 * g + 157929 * b) / 5756495; - v = (157968 * r - 132278 * g - 25690 * b) / 5366159; - r = 104635 * v; - g = -25690 * u - 53294 * v; - b = 132278 * u; - *rgb++ = ((LIMIT(g+y) & 0xf8) << 2) | (LIMIT(b+y) >> 3); - *rgb++ = ((LIMIT(r+y) & 0xf8) >> 1) | (LIMIT(g+y) >> 6); - *rgb++ = ((LIMIT(g+y1) & 0xf8) << 2) | (LIMIT(b+y1) >> 3); - *rgb = ((LIMIT(r+y1) & 0xf8) >> 1) | (LIMIT(g+y1) >> 6); - return 4; - case VIDEO_PALETTE_RGB565: - y = (*yuv++ - 16) * 76310; - y1 = (*yuv - 16) * 76310; - r = (*(rgb+1-linesize)) & 0xf8; - g = ((*(rgb-linesize)) & 0xe0) >> 3 | - ((*(rgb+1-linesize)) & 0x07) << 5; - b = ((*(rgb-linesize)) & 0x1f) << 3; - u = (-53294 * r - 104635 * g + 157929 * b) / 5756495; - v = (157968 * r - 132278 * g - 25690 * b) / 5366159; - r = 104635 * v; - g = -25690 * u - 53294 * v; - b = 132278 * u; - *rgb++ = ((LIMIT(g+y) & 0xfc) << 3) | (LIMIT(b+y) >> 3); - *rgb++ = (LIMIT(r+y) & 0xf8) | (LIMIT(g+y) >> 5); - *rgb++ = ((LIMIT(g+y1) & 0xfc) << 3) | (LIMIT(b+y1) >> 3); - *rgb = (LIMIT(r+y1) & 0xf8) | (LIMIT(g+y1) >> 5); - return 4; - break; - case VIDEO_PALETTE_RGB24: - case VIDEO_PALETTE_RGB32: - y = (*yuv++ - 16) * 76310; - y1 = (*yuv - 16) * 76310; - if (mmap_kludge) { - r = *(rgb+2-linesize); - g = *(rgb+1-linesize); - b = *(rgb-linesize); - } else { - r = *(rgb-linesize); - g = *(rgb+1-linesize); - b = *(rgb+2-linesize); - } - u = (-53294 * r - 104635 * g + 157929 * b) / 5756495; - v = (157968 * r - 132278 * g - 25690 * b) / 5366159; - r = 104635 * v; - g = -25690 * u + -53294 * v; - b = 132278 * u; - if (mmap_kludge) { - *rgb++ = LIMIT(b+y); - *rgb++ = LIMIT(g+y); - *rgb++ = LIMIT(r+y); - if(out_fmt == VIDEO_PALETTE_RGB32) - rgb++; - *rgb++ = LIMIT(b+y1); - *rgb++ = LIMIT(g+y1); - *rgb = LIMIT(r+y1); - } else { - *rgb++ = LIMIT(r+y); - *rgb++ = LIMIT(g+y); - *rgb++ = LIMIT(b+y); - if(out_fmt == VIDEO_PALETTE_RGB32) - rgb++; - *rgb++ = LIMIT(r+y1); - *rgb++ = LIMIT(g+y1); - *rgb = LIMIT(b+y1); - } - if(out_fmt == VIDEO_PALETTE_RGB32) - return 8; - return 6; - case VIDEO_PALETTE_YUV422: - case VIDEO_PALETTE_YUYV: - y = *yuv++; - u = *(rgb+1-linesize); - y1 = *yuv; - v = *(rgb+3-linesize); - *rgb++ = y; - *rgb++ = u; - *rgb++ = y1; - *rgb = v; - return 4; - case VIDEO_PALETTE_UYVY: - u = *(rgb-linesize); - y = *yuv++; - v = *(rgb+2-linesize); - y1 = *yuv; - *rgb++ = u; - *rgb++ = y; - *rgb++ = v; - *rgb = y1; - return 4; - case VIDEO_PALETTE_GREY: - *rgb++ = *yuv++; - *rgb = *yuv; - return 2; - default: - DBG("Empty: %d\n", out_fmt); - return 0; - } -} - - -static int yuvconvert(unsigned char *yuv, unsigned char *rgb, int out_fmt, - int in_uyvy, int mmap_kludge) -{ - int y, u, v, r, g, b, y1; - - switch(out_fmt) { - case VIDEO_PALETTE_RGB555: - case VIDEO_PALETTE_RGB565: - case VIDEO_PALETTE_RGB24: - case VIDEO_PALETTE_RGB32: - if (in_uyvy) { - u = *yuv++ - 128; - y = (*yuv++ - 16) * 76310; - v = *yuv++ - 128; - y1 = (*yuv - 16) * 76310; - } else { - y = (*yuv++ - 16) * 76310; - u = *yuv++ - 128; - y1 = (*yuv++ - 16) * 76310; - v = *yuv - 128; - } - r = 104635 * v; - g = -25690 * u + -53294 * v; - b = 132278 * u; - break; - default: - y = *yuv++; - u = *yuv++; - y1 = *yuv++; - v = *yuv; - /* Just to avoid compiler warnings */ - r = 0; - g = 0; - b = 0; - break; - } - switch(out_fmt) { - case VIDEO_PALETTE_RGB555: - *rgb++ = ((LIMIT(g+y) & 0xf8) << 2) | (LIMIT(b+y) >> 3); - *rgb++ = ((LIMIT(r+y) & 0xf8) >> 1) | (LIMIT(g+y) >> 6); - *rgb++ = ((LIMIT(g+y1) & 0xf8) << 2) | (LIMIT(b+y1) >> 3); - *rgb = ((LIMIT(r+y1) & 0xf8) >> 1) | (LIMIT(g+y1) >> 6); - return 4; - case VIDEO_PALETTE_RGB565: - *rgb++ = ((LIMIT(g+y) & 0xfc) << 3) | (LIMIT(b+y) >> 3); - *rgb++ = (LIMIT(r+y) & 0xf8) | (LIMIT(g+y) >> 5); - *rgb++ = ((LIMIT(g+y1) & 0xfc) << 3) | (LIMIT(b+y1) >> 3); - *rgb = (LIMIT(r+y1) & 0xf8) | (LIMIT(g+y1) >> 5); - return 4; - case VIDEO_PALETTE_RGB24: - if (mmap_kludge) { - *rgb++ = LIMIT(b+y); - *rgb++ = LIMIT(g+y); - *rgb++ = LIMIT(r+y); - *rgb++ = LIMIT(b+y1); - *rgb++ = LIMIT(g+y1); - *rgb = LIMIT(r+y1); - } else { - *rgb++ = LIMIT(r+y); - *rgb++ = LIMIT(g+y); - *rgb++ = LIMIT(b+y); - *rgb++ = LIMIT(r+y1); - *rgb++ = LIMIT(g+y1); - *rgb = LIMIT(b+y1); - } - return 6; - case VIDEO_PALETTE_RGB32: - if (mmap_kludge) { - *rgb++ = LIMIT(b+y); - *rgb++ = LIMIT(g+y); - *rgb++ = LIMIT(r+y); - rgb++; - *rgb++ = LIMIT(b+y1); - *rgb++ = LIMIT(g+y1); - *rgb = LIMIT(r+y1); - } else { - *rgb++ = LIMIT(r+y); - *rgb++ = LIMIT(g+y); - *rgb++ = LIMIT(b+y); - rgb++; - *rgb++ = LIMIT(r+y1); - *rgb++ = LIMIT(g+y1); - *rgb = LIMIT(b+y1); - } - return 8; - case VIDEO_PALETTE_GREY: - *rgb++ = y; - *rgb = y1; - return 2; - case VIDEO_PALETTE_YUV422: - case VIDEO_PALETTE_YUYV: - *rgb++ = y; - *rgb++ = u; - *rgb++ = y1; - *rgb = v; - return 4; - case VIDEO_PALETTE_UYVY: - *rgb++ = u; - *rgb++ = y; - *rgb++ = v; - *rgb = y1; - return 4; - default: - DBG("Empty: %d\n", out_fmt); - return 0; - } -} - -static int skipcount(int count, int fmt) -{ - switch(fmt) { - case VIDEO_PALETTE_GREY: - return count; - case VIDEO_PALETTE_RGB555: - case VIDEO_PALETTE_RGB565: - case VIDEO_PALETTE_YUV422: - case VIDEO_PALETTE_YUYV: - case VIDEO_PALETTE_UYVY: - return 2*count; - case VIDEO_PALETTE_RGB24: - return 3*count; - case VIDEO_PALETTE_RGB32: - return 4*count; - default: - return 0; - } -} - -static int parse_picture(struct cam_data *cam, int size) -{ - u8 *obuf, *ibuf, *end_obuf; - int ll, in_uyvy, compressed, decimation, even_line, origsize, out_fmt; - int rows, cols, linesize, subsample_422; - - /* make sure params don't change while we are decoding */ - mutex_lock(&cam->param_lock); - - obuf = cam->decompressed_frame.data; - end_obuf = obuf+CPIA_MAX_FRAME_SIZE; - ibuf = cam->raw_image; - origsize = size; - out_fmt = cam->vp.palette; - - if ((ibuf[0] != MAGIC_0) || (ibuf[1] != MAGIC_1)) { - LOG("header not found\n"); - mutex_unlock(&cam->param_lock); - return -1; - } - - if ((ibuf[16] != VIDEOSIZE_QCIF) && (ibuf[16] != VIDEOSIZE_CIF)) { - LOG("wrong video size\n"); - mutex_unlock(&cam->param_lock); - return -1; - } - - if (ibuf[17] != SUBSAMPLE_420 && ibuf[17] != SUBSAMPLE_422) { - LOG("illegal subtype %d\n",ibuf[17]); - mutex_unlock(&cam->param_lock); - return -1; - } - subsample_422 = ibuf[17] == SUBSAMPLE_422; - - if (ibuf[18] != YUVORDER_YUYV && ibuf[18] != YUVORDER_UYVY) { - LOG("illegal yuvorder %d\n",ibuf[18]); - mutex_unlock(&cam->param_lock); - return -1; - } - in_uyvy = ibuf[18] == YUVORDER_UYVY; - - if ((ibuf[24] != cam->params.roi.colStart) || - (ibuf[25] != cam->params.roi.colEnd) || - (ibuf[26] != cam->params.roi.rowStart) || - (ibuf[27] != cam->params.roi.rowEnd)) { - LOG("ROI mismatch\n"); - mutex_unlock(&cam->param_lock); - return -1; - } - cols = 8*(ibuf[25] - ibuf[24]); - rows = 4*(ibuf[27] - ibuf[26]); - - - if ((ibuf[28] != NOT_COMPRESSED) && (ibuf[28] != COMPRESSED)) { - LOG("illegal compression %d\n",ibuf[28]); - mutex_unlock(&cam->param_lock); - return -1; - } - compressed = (ibuf[28] == COMPRESSED); - - if (ibuf[29] != NO_DECIMATION && ibuf[29] != DECIMATION_ENAB) { - LOG("illegal decimation %d\n",ibuf[29]); - mutex_unlock(&cam->param_lock); - return -1; - } - decimation = (ibuf[29] == DECIMATION_ENAB); - - cam->params.yuvThreshold.yThreshold = ibuf[30]; - cam->params.yuvThreshold.uvThreshold = ibuf[31]; - cam->params.status.systemState = ibuf[32]; - cam->params.status.grabState = ibuf[33]; - cam->params.status.streamState = ibuf[34]; - cam->params.status.fatalError = ibuf[35]; - cam->params.status.cmdError = ibuf[36]; - cam->params.status.debugFlags = ibuf[37]; - cam->params.status.vpStatus = ibuf[38]; - cam->params.status.errorCode = ibuf[39]; - cam->fps = ibuf[41]; - mutex_unlock(&cam->param_lock); - - linesize = skipcount(cols, out_fmt); - ibuf += FRAME_HEADER_SIZE; - size -= FRAME_HEADER_SIZE; - ll = ibuf[0] | (ibuf[1] << 8); - ibuf += 2; - even_line = 1; - - while (size > 0) { - size -= (ll+2); - if (size < 0) { - LOG("Insufficient data in buffer\n"); - return -1; - } - - while (ll > 1) { - if (!compressed || (compressed && !(*ibuf & 1))) { - if(subsample_422 || even_line) { - obuf += yuvconvert(ibuf, obuf, out_fmt, - in_uyvy, cam->mmap_kludge); - ibuf += 4; - ll -= 4; - } else { - /* SUBSAMPLE_420 on an odd line */ - obuf += convert420(ibuf, obuf, - out_fmt, linesize, - cam->mmap_kludge); - ibuf += 2; - ll -= 2; - } - } else { - /*skip compressed interval from previous frame*/ - obuf += skipcount(*ibuf >> 1, out_fmt); - if (obuf > end_obuf) { - LOG("Insufficient buffer size\n"); - return -1; - } - ++ibuf; - ll--; - } - } - if (ll == 1) { - if (*ibuf != EOL) { - DBG("EOL not found giving up after %d/%d" - " bytes\n", origsize-size, origsize); - return -1; - } - - ++ibuf; /* skip over EOL */ - - if ((size > 3) && (ibuf[0] == EOI) && (ibuf[1] == EOI) && - (ibuf[2] == EOI) && (ibuf[3] == EOI)) { - size -= 4; - break; - } - - if(decimation) { - /* skip the odd lines for now */ - obuf += linesize; - } - - if (size > 1) { - ll = ibuf[0] | (ibuf[1] << 8); - ibuf += 2; /* skip over line length */ - } - if(!decimation) - even_line = !even_line; - } else { - LOG("line length was not 1 but %d after %d/%d bytes\n", - ll, origsize-size, origsize); - return -1; - } - } - - if(decimation) { - /* interpolate odd rows */ - int i, j; - u8 *prev, *next; - prev = cam->decompressed_frame.data; - obuf = prev+linesize; - next = obuf+linesize; - for(i=1; i<rows-1; i+=2) { - for(j=0; j<linesize; ++j) { - *obuf++ = ((int)*prev++ + *next++) / 2; - } - prev += linesize; - obuf += linesize; - next += linesize; - } - /* last row is odd, just copy previous row */ - memcpy(obuf, prev, linesize); - } - - cam->decompressed_frame.count = obuf-cam->decompressed_frame.data; - - return cam->decompressed_frame.count; -} - -/* InitStreamCap wrapper to select correct start line */ -static inline int init_stream_cap(struct cam_data *cam) -{ - return do_command(cam, CPIA_COMMAND_InitStreamCap, - 0, cam->params.streamStartLine, 0, 0); -} - - -/* find_over_exposure - * Finds a suitable value of OverExposure for use with SetFlickerCtrl - * Some calculation is required because this value changes with the brightness - * set with SetColourParameters - * - * Parameters: Brightness - last brightness value set with SetColourParameters - * - * Returns: OverExposure value to use with SetFlickerCtrl - */ -#define FLICKER_MAX_EXPOSURE 250 -#define FLICKER_ALLOWABLE_OVER_EXPOSURE 146 -#define FLICKER_BRIGHTNESS_CONSTANT 59 -static int find_over_exposure(int brightness) -{ - int MaxAllowableOverExposure, OverExposure; - - MaxAllowableOverExposure = FLICKER_MAX_EXPOSURE - brightness - - FLICKER_BRIGHTNESS_CONSTANT; - - if (MaxAllowableOverExposure < FLICKER_ALLOWABLE_OVER_EXPOSURE) { - OverExposure = MaxAllowableOverExposure; - } else { - OverExposure = FLICKER_ALLOWABLE_OVER_EXPOSURE; - } - - return OverExposure; -} -#undef FLICKER_MAX_EXPOSURE -#undef FLICKER_ALLOWABLE_OVER_EXPOSURE -#undef FLICKER_BRIGHTNESS_CONSTANT - -/* update various camera modes and settings */ -static void dispatch_commands(struct cam_data *cam) -{ - mutex_lock(&cam->param_lock); - if (cam->cmd_queue==COMMAND_NONE) { - mutex_unlock(&cam->param_lock); - return; - } - DEB_BYTE(cam->cmd_queue); - DEB_BYTE(cam->cmd_queue>>8); - if (cam->cmd_queue & COMMAND_SETFORMAT) { - do_command(cam, CPIA_COMMAND_SetFormat, - cam->params.format.videoSize, - cam->params.format.subSample, - cam->params.format.yuvOrder, 0); - do_command(cam, CPIA_COMMAND_SetROI, - cam->params.roi.colStart, cam->params.roi.colEnd, - cam->params.roi.rowStart, cam->params.roi.rowEnd); - cam->first_frame = 1; - } - - if (cam->cmd_queue & COMMAND_SETCOLOURPARAMS) - do_command(cam, CPIA_COMMAND_SetColourParams, - cam->params.colourParams.brightness, - cam->params.colourParams.contrast, - cam->params.colourParams.saturation, 0); - - if (cam->cmd_queue & COMMAND_SETAPCOR) - do_command(cam, CPIA_COMMAND_SetApcor, - cam->params.apcor.gain1, - cam->params.apcor.gain2, - cam->params.apcor.gain4, - cam->params.apcor.gain8); - - if (cam->cmd_queue & COMMAND_SETVLOFFSET) - do_command(cam, CPIA_COMMAND_SetVLOffset, - cam->params.vlOffset.gain1, - cam->params.vlOffset.gain2, - cam->params.vlOffset.gain4, - cam->params.vlOffset.gain8); - - if (cam->cmd_queue & COMMAND_SETEXPOSURE) { - do_command_extended(cam, CPIA_COMMAND_SetExposure, - cam->params.exposure.gainMode, - 1, - cam->params.exposure.compMode, - cam->params.exposure.centreWeight, - cam->params.exposure.gain, - cam->params.exposure.fineExp, - cam->params.exposure.coarseExpLo, - cam->params.exposure.coarseExpHi, - cam->params.exposure.redComp, - cam->params.exposure.green1Comp, - cam->params.exposure.green2Comp, - cam->params.exposure.blueComp); - if(cam->params.exposure.expMode != 1) { - do_command_extended(cam, CPIA_COMMAND_SetExposure, - 0, - cam->params.exposure.expMode, - 0, 0, - cam->params.exposure.gain, - cam->params.exposure.fineExp, - cam->params.exposure.coarseExpLo, - cam->params.exposure.coarseExpHi, - 0, 0, 0, 0); - } - } - - if (cam->cmd_queue & COMMAND_SETCOLOURBALANCE) { - if (cam->params.colourBalance.balanceMode == 1) { - do_command(cam, CPIA_COMMAND_SetColourBalance, - 1, - cam->params.colourBalance.redGain, - cam->params.colourBalance.greenGain, - cam->params.colourBalance.blueGain); - do_command(cam, CPIA_COMMAND_SetColourBalance, - 3, 0, 0, 0); - } - if (cam->params.colourBalance.balanceMode == 2) { - do_command(cam, CPIA_COMMAND_SetColourBalance, - 2, 0, 0, 0); - } - if (cam->params.colourBalance.balanceMode == 3) { - do_command(cam, CPIA_COMMAND_SetColourBalance, - 3, 0, 0, 0); - } - } - - if (cam->cmd_queue & COMMAND_SETCOMPRESSIONTARGET) - do_command(cam, CPIA_COMMAND_SetCompressionTarget, - cam->params.compressionTarget.frTargeting, - cam->params.compressionTarget.targetFR, - cam->params.compressionTarget.targetQ, 0); - - if (cam->cmd_queue & COMMAND_SETYUVTHRESH) - do_command(cam, CPIA_COMMAND_SetYUVThresh, - cam->params.yuvThreshold.yThreshold, - cam->params.yuvThreshold.uvThreshold, 0, 0); - - if (cam->cmd_queue & COMMAND_SETCOMPRESSIONPARAMS) - do_command_extended(cam, CPIA_COMMAND_SetCompressionParams, - 0, 0, 0, 0, - cam->params.compressionParams.hysteresis, - cam->params.compressionParams.threshMax, - cam->params.compressionParams.smallStep, - cam->params.compressionParams.largeStep, - cam->params.compressionParams.decimationHysteresis, - cam->params.compressionParams.frDiffStepThresh, - cam->params.compressionParams.qDiffStepThresh, - cam->params.compressionParams.decimationThreshMod); - - if (cam->cmd_queue & COMMAND_SETCOMPRESSION) - do_command(cam, CPIA_COMMAND_SetCompression, - cam->params.compression.mode, - cam->params.compression.decimation, 0, 0); - - if (cam->cmd_queue & COMMAND_SETSENSORFPS) - do_command(cam, CPIA_COMMAND_SetSensorFPS, - cam->params.sensorFps.divisor, - cam->params.sensorFps.baserate, 0, 0); - - if (cam->cmd_queue & COMMAND_SETFLICKERCTRL) - do_command(cam, CPIA_COMMAND_SetFlickerCtrl, - cam->params.flickerControl.flickerMode, - cam->params.flickerControl.coarseJump, - abs(cam->params.flickerControl.allowableOverExposure), - 0); - - if (cam->cmd_queue & COMMAND_SETECPTIMING) - do_command(cam, CPIA_COMMAND_SetECPTiming, - cam->params.ecpTiming, 0, 0, 0); - - if (cam->cmd_queue & COMMAND_PAUSE) - do_command(cam, CPIA_COMMAND_EndStreamCap, 0, 0, 0, 0); - - if (cam->cmd_queue & COMMAND_RESUME) - init_stream_cap(cam); - - if (cam->cmd_queue & COMMAND_SETLIGHTS && cam->params.qx3.qx3_detected) - { - int p1 = (cam->params.qx3.bottomlight == 0) << 1; - int p2 = (cam->params.qx3.toplight == 0) << 3; - do_command(cam, CPIA_COMMAND_WriteVCReg, 0x90, 0x8F, 0x50, 0); - do_command(cam, CPIA_COMMAND_WriteMCPort, 2, 0, (p1|p2|0xE0), 0); - } - - cam->cmd_queue = COMMAND_NONE; - mutex_unlock(&cam->param_lock); - return; -} - - - -static void set_flicker(struct cam_params *params, volatile u32 *command_flags, - int on) -{ - /* Everything in here is from the Windows driver */ -#define FIRMWARE_VERSION(x,y) (params->version.firmwareVersion == (x) && \ - params->version.firmwareRevision == (y)) -/* define for compgain calculation */ -#if 0 -#define COMPGAIN(base, curexp, newexp) \ - (u8) ((((float) base - 128.0) * ((float) curexp / (float) newexp)) + 128.5) -#define EXP_FROM_COMP(basecomp, curcomp, curexp) \ - (u16)((float)curexp * (float)(u8)(curcomp + 128) / (float)(u8)(basecomp - 128)) -#else - /* equivalent functions without floating point math */ -#define COMPGAIN(base, curexp, newexp) \ - (u8)(128 + (((u32)(2*(base-128)*curexp + newexp)) / (2* newexp)) ) -#define EXP_FROM_COMP(basecomp, curcomp, curexp) \ - (u16)(((u32)(curexp * (u8)(curcomp + 128)) / (u8)(basecomp - 128))) -#endif - - - int currentexp = params->exposure.coarseExpLo + - params->exposure.coarseExpHi*256; - int startexp; - if (on) { - int cj = params->flickerControl.coarseJump; - params->flickerControl.flickerMode = 1; - params->flickerControl.disabled = 0; - if(params->exposure.expMode != 2) - *command_flags |= COMMAND_SETEXPOSURE; - params->exposure.expMode = 2; - currentexp = currentexp << params->exposure.gain; - params->exposure.gain = 0; - /* round down current exposure to nearest value */ - startexp = (currentexp + ROUND_UP_EXP_FOR_FLICKER) / cj; - if(startexp < 1) - startexp = 1; - startexp = (startexp * cj) - 1; - if(FIRMWARE_VERSION(1,2)) - while(startexp > MAX_EXP_102) - startexp -= cj; - else - while(startexp > MAX_EXP) - startexp -= cj; - params->exposure.coarseExpLo = startexp & 0xff; - params->exposure.coarseExpHi = startexp >> 8; - if (currentexp > startexp) { - if (currentexp > (2 * startexp)) - currentexp = 2 * startexp; - params->exposure.redComp = COMPGAIN (COMP_RED, currentexp, startexp); - params->exposure.green1Comp = COMPGAIN (COMP_GREEN1, currentexp, startexp); - params->exposure.green2Comp = COMPGAIN (COMP_GREEN2, currentexp, startexp); - params->exposure.blueComp = COMPGAIN (COMP_BLUE, currentexp, startexp); - } else { - params->exposure.redComp = COMP_RED; - params->exposure.green1Comp = COMP_GREEN1; - params->exposure.green2Comp = COMP_GREEN2; - params->exposure.blueComp = COMP_BLUE; - } - if(FIRMWARE_VERSION(1,2)) - params->exposure.compMode = 0; - else - params->exposure.compMode = 1; - - params->apcor.gain1 = 0x18; - params->apcor.gain2 = 0x18; - params->apcor.gain4 = 0x16; - params->apcor.gain8 = 0x14; - *command_flags |= COMMAND_SETAPCOR; - } else { - params->flickerControl.flickerMode = 0; - params->flickerControl.disabled = 1; - /* Coarse = average of equivalent coarse for each comp channel */ - startexp = EXP_FROM_COMP(COMP_RED, params->exposure.redComp, currentexp); - startexp += EXP_FROM_COMP(COMP_GREEN1, params->exposure.green1Comp, currentexp); - startexp += EXP_FROM_COMP(COMP_GREEN2, params->exposure.green2Comp, currentexp); - startexp += EXP_FROM_COMP(COMP_BLUE, params->exposure.blueComp, currentexp); - startexp = startexp >> 2; - while(startexp > MAX_EXP && - params->exposure.gain < params->exposure.gainMode-1) { - startexp = startexp >> 1; - ++params->exposure.gain; - } - if(FIRMWARE_VERSION(1,2) && startexp > MAX_EXP_102) - startexp = MAX_EXP_102; - if(startexp > MAX_EXP) - startexp = MAX_EXP; - params->exposure.coarseExpLo = startexp&0xff; - params->exposure.coarseExpHi = startexp >> 8; - params->exposure.redComp = COMP_RED; - params->exposure.green1Comp = COMP_GREEN1; - params->exposure.green2Comp = COMP_GREEN2; - params->exposure.blueComp = COMP_BLUE; - params->exposure.compMode = 1; - *command_flags |= COMMAND_SETEXPOSURE; - params->apcor.gain1 = 0x18; - params->apcor.gain2 = 0x16; - params->apcor.gain4 = 0x24; - params->apcor.gain8 = 0x34; - *command_flags |= COMMAND_SETAPCOR; - } - params->vlOffset.gain1 = 20; - params->vlOffset.gain2 = 24; - params->vlOffset.gain4 = 26; - params->vlOffset.gain8 = 26; - *command_flags |= COMMAND_SETVLOFFSET; -#undef FIRMWARE_VERSION -#undef EXP_FROM_COMP -#undef COMPGAIN -} - -#define FIRMWARE_VERSION(x,y) (cam->params.version.firmwareVersion == (x) && \ - cam->params.version.firmwareRevision == (y)) -/* monitor the exposure and adjust the sensor frame rate if needed */ -static void monitor_exposure(struct cam_data *cam) -{ - u8 exp_acc, bcomp, gain, coarseL, cmd[8], data[8]; - int retval, light_exp, dark_exp, very_dark_exp; - int old_exposure, new_exposure, framerate; - - /* get necessary stats and register settings from camera */ - /* do_command can't handle this, so do it ourselves */ - cmd[0] = CPIA_COMMAND_ReadVPRegs>>8; - cmd[1] = CPIA_COMMAND_ReadVPRegs&0xff; - cmd[2] = 30; - cmd[3] = 4; - cmd[4] = 9; - cmd[5] = 8; - cmd[6] = 8; - cmd[7] = 0; - retval = cam->ops->transferCmd(cam->lowlevel_data, cmd, data); - if (retval) { - LOG("ReadVPRegs(30,4,9,8) - failed, retval=%d\n", - retval); - return; - } - exp_acc = data[0]; - bcomp = data[1]; - gain = data[2]; - coarseL = data[3]; - - mutex_lock(&cam->param_lock); - light_exp = cam->params.colourParams.brightness + - TC - 50 + EXP_ACC_LIGHT; - if(light_exp > 255) - light_exp = 255; - dark_exp = cam->params.colourParams.brightness + - TC - 50 - EXP_ACC_DARK; - if(dark_exp < 0) - dark_exp = 0; - very_dark_exp = dark_exp/2; - - old_exposure = cam->params.exposure.coarseExpHi * 256 + - cam->params.exposure.coarseExpLo; - - if(!cam->params.flickerControl.disabled) { - /* Flicker control on */ - int max_comp = FIRMWARE_VERSION(1,2) ? MAX_COMP : HIGH_COMP_102; - bcomp += 128; /* decode */ - if(bcomp >= max_comp && exp_acc < dark_exp) { - /* dark */ - if(exp_acc < very_dark_exp) { - /* very dark */ - if(cam->exposure_status == EXPOSURE_VERY_DARK) - ++cam->exposure_count; - else { - cam->exposure_status = EXPOSURE_VERY_DARK; - cam->exposure_count = 1; - } - } else { - /* just dark */ - if(cam->exposure_status == EXPOSURE_DARK) - ++cam->exposure_count; - else { - cam->exposure_status = EXPOSURE_DARK; - cam->exposure_count = 1; - } - } - } else if(old_exposure <= LOW_EXP || exp_acc > light_exp) { - /* light */ - if(old_exposure <= VERY_LOW_EXP) { - /* very light */ - if(cam->exposure_status == EXPOSURE_VERY_LIGHT) - ++cam->exposure_count; - else { - cam->exposure_status = EXPOSURE_VERY_LIGHT; - cam->exposure_count = 1; - } - } else { - /* just light */ - if(cam->exposure_status == EXPOSURE_LIGHT) - ++cam->exposure_count; - else { - cam->exposure_status = EXPOSURE_LIGHT; - cam->exposure_count = 1; - } - } - } else { - /* not dark or light */ - cam->exposure_status = EXPOSURE_NORMAL; - } - } else { - /* Flicker control off */ - if(old_exposure >= MAX_EXP && exp_acc < dark_exp) { - /* dark */ - if(exp_acc < very_dark_exp) { - /* very dark */ - if(cam->exposure_status == EXPOSURE_VERY_DARK) - ++cam->exposure_count; - else { - cam->exposure_status = EXPOSURE_VERY_DARK; - cam->exposure_count = 1; - } - } else { - /* just dark */ - if(cam->exposure_status == EXPOSURE_DARK) - ++cam->exposure_count; - else { - cam->exposure_status = EXPOSURE_DARK; - cam->exposure_count = 1; - } - } - } else if(old_exposure <= LOW_EXP || exp_acc > light_exp) { - /* light */ - if(old_exposure <= VERY_LOW_EXP) { - /* very light */ - if(cam->exposure_status == EXPOSURE_VERY_LIGHT) - ++cam->exposure_count; - else { - cam->exposure_status = EXPOSURE_VERY_LIGHT; - cam->exposure_count = 1; - } - } else { - /* just light */ - if(cam->exposure_status == EXPOSURE_LIGHT) - ++cam->exposure_count; - else { - cam->exposure_status = EXPOSURE_LIGHT; - cam->exposure_count = 1; - } - } - } else { - /* not dark or light */ - cam->exposure_status = EXPOSURE_NORMAL; - } - } - - framerate = cam->fps; - if(framerate > 30 || framerate < 1) - framerate = 1; - - if(!cam->params.flickerControl.disabled) { - /* Flicker control on */ - if((cam->exposure_status == EXPOSURE_VERY_DARK || - cam->exposure_status == EXPOSURE_DARK) && - cam->exposure_count >= DARK_TIME*framerate && - cam->params.sensorFps.divisor < 3) { - - /* dark for too long */ - ++cam->params.sensorFps.divisor; - cam->cmd_queue |= COMMAND_SETSENSORFPS; - - cam->params.flickerControl.coarseJump = - flicker_jumps[cam->mainsFreq] - [cam->params.sensorFps.baserate] - [cam->params.sensorFps.divisor]; - cam->cmd_queue |= COMMAND_SETFLICKERCTRL; - - new_exposure = cam->params.flickerControl.coarseJump-1; - while(new_exposure < old_exposure/2) - new_exposure += cam->params.flickerControl.coarseJump; - cam->params.exposure.coarseExpLo = new_exposure & 0xff; - cam->params.exposure.coarseExpHi = new_exposure >> 8; - cam->cmd_queue |= COMMAND_SETEXPOSURE; - cam->exposure_status = EXPOSURE_NORMAL; - LOG("Automatically decreasing sensor_fps\n"); - - } else if((cam->exposure_status == EXPOSURE_VERY_LIGHT || - cam->exposure_status == EXPOSURE_LIGHT) && - cam->exposure_count >= LIGHT_TIME*framerate && - cam->params.sensorFps.divisor > 0) { - - /* light for too long */ - int max_exp = FIRMWARE_VERSION(1,2) ? MAX_EXP_102 : MAX_EXP ; - - --cam->params.sensorFps.divisor; - cam->cmd_queue |= COMMAND_SETSENSORFPS; - - cam->params.flickerControl.coarseJump = - flicker_jumps[cam->mainsFreq] - [cam->params.sensorFps.baserate] - [cam->params.sensorFps.divisor]; - cam->cmd_queue |= COMMAND_SETFLICKERCTRL; - - new_exposure = cam->params.flickerControl.coarseJump-1; - while(new_exposure < 2*old_exposure && - new_exposure+ - cam->params.flickerControl.coarseJump < max_exp) - new_exposure += cam->params.flickerControl.coarseJump; - cam->params.exposure.coarseExpLo = new_exposure & 0xff; - cam->params.exposure.coarseExpHi = new_exposure >> 8; - cam->cmd_queue |= COMMAND_SETEXPOSURE; - cam->exposure_status = EXPOSURE_NORMAL; - LOG("Automatically increasing sensor_fps\n"); - } - } else { - /* Flicker control off */ - if((cam->exposure_status == EXPOSURE_VERY_DARK || - cam->exposure_status == EXPOSURE_DARK) && - cam->exposure_count >= DARK_TIME*framerate && - cam->params.sensorFps.divisor < 3) { - - /* dark for too long */ - ++cam->params.sensorFps.divisor; - cam->cmd_queue |= COMMAND_SETSENSORFPS; - - if(cam->params.exposure.gain > 0) { - --cam->params.exposure.gain; - cam->cmd_queue |= COMMAND_SETEXPOSURE; - } - cam->exposure_status = EXPOSURE_NORMAL; - LOG("Automatically decreasing sensor_fps\n"); - - } else if((cam->exposure_status == EXPOSURE_VERY_LIGHT || - cam->exposure_status == EXPOSURE_LIGHT) && - cam->exposure_count >= LIGHT_TIME*framerate && - cam->params.sensorFps.divisor > 0) { - - /* light for too long */ - --cam->params.sensorFps.divisor; - cam->cmd_queue |= COMMAND_SETSENSORFPS; - - if(cam->params.exposure.gain < - cam->params.exposure.gainMode-1) { - ++cam->params.exposure.gain; - cam->cmd_queue |= COMMAND_SETEXPOSURE; - } - cam->exposure_status = EXPOSURE_NORMAL; - LOG("Automatically increasing sensor_fps\n"); - } - } - mutex_unlock(&cam->param_lock); -} - -/*-----------------------------------------------------------------*/ -/* if flicker is switched off, this function switches it back on.It checks, - however, that conditions are suitable before restarting it. - This should only be called for firmware version 1.2. - - It also adjust the colour balance when an exposure step is detected - as - long as flicker is running -*/ -static void restart_flicker(struct cam_data *cam) -{ - int cam_exposure, old_exp; - if(!FIRMWARE_VERSION(1,2)) - return; - mutex_lock(&cam->param_lock); - if(cam->params.flickerControl.flickerMode == 0 || - cam->raw_image[39] == 0) { - mutex_unlock(&cam->param_lock); - return; - } - cam_exposure = cam->raw_image[39]*2; - old_exp = cam->params.exposure.coarseExpLo + - cam->params.exposure.coarseExpHi*256; - /* - see how far away camera exposure is from a valid - flicker exposure value - */ - cam_exposure %= cam->params.flickerControl.coarseJump; - if(!cam->params.flickerControl.disabled && - cam_exposure <= cam->params.flickerControl.coarseJump - 3) { - /* Flicker control auto-disabled */ - cam->params.flickerControl.disabled = 1; - } - - if(cam->params.flickerControl.disabled && - cam->params.flickerControl.flickerMode && - old_exp > cam->params.flickerControl.coarseJump + - ROUND_UP_EXP_FOR_FLICKER) { - /* exposure is now high enough to switch - flicker control back on */ - set_flicker(&cam->params, &cam->cmd_queue, 1); - if((cam->cmd_queue & COMMAND_SETEXPOSURE) && - cam->params.exposure.expMode == 2) - cam->exposure_status = EXPOSURE_NORMAL; - - } - mutex_unlock(&cam->param_lock); -} -#undef FIRMWARE_VERSION - -static int clear_stall(struct cam_data *cam) -{ - /* FIXME: Does this actually work? */ - LOG("Clearing stall\n"); - - cam->ops->streamRead(cam->lowlevel_data, cam->raw_image, 0); - do_command(cam, CPIA_COMMAND_GetCameraStatus,0,0,0,0); - return cam->params.status.streamState != STREAM_PAUSED; -} - -/* kernel thread function to read image from camera */ -static int fetch_frame(void *data) -{ - int image_size, retry; - struct cam_data *cam = (struct cam_data *)data; - unsigned long oldjif, rate, diff; - - /* Allow up to two bad images in a row to be read and - * ignored before an error is reported */ - for (retry = 0; retry < 3; ++retry) { - if (retry) - DBG("retry=%d\n", retry); - - if (!cam->ops) - continue; - - /* load first frame always uncompressed */ - if (cam->first_frame && - cam->params.compression.mode != CPIA_COMPRESSION_NONE) { - do_command(cam, CPIA_COMMAND_SetCompression, - CPIA_COMPRESSION_NONE, - NO_DECIMATION, 0, 0); - /* Trial & error - Discarding a frame prevents the - first frame from having an error in the data. */ - do_command(cam, CPIA_COMMAND_DiscardFrame, 0, 0, 0, 0); - } - - /* init camera upload */ - if (do_command(cam, CPIA_COMMAND_GrabFrame, 0, - cam->params.streamStartLine, 0, 0)) - continue; - - if (cam->ops->wait_for_stream_ready) { - /* loop until image ready */ - int count = 0; - do_command(cam, CPIA_COMMAND_GetCameraStatus,0,0,0,0); - while (cam->params.status.streamState != STREAM_READY) { - if(++count > READY_TIMEOUT) - break; - if(cam->params.status.streamState == - STREAM_PAUSED) { - /* Bad news */ - if(!clear_stall(cam)) - return -EIO; - } - - cond_resched(); - - /* sleep for 10 ms, hopefully ;) */ - msleep_interruptible(10); - if (signal_pending(current)) - return -EINTR; - - do_command(cam, CPIA_COMMAND_GetCameraStatus, - 0, 0, 0, 0); - } - if(cam->params.status.streamState != STREAM_READY) { - continue; - } - } - - cond_resched(); - - /* grab image from camera */ - oldjif = jiffies; - image_size = cam->ops->streamRead(cam->lowlevel_data, - cam->raw_image, 0); - if (image_size <= 0) { - DBG("streamRead failed: %d\n", image_size); - continue; - } - - rate = image_size * HZ / 1024; - diff = jiffies-oldjif; - cam->transfer_rate = diff==0 ? rate : rate/diff; - /* diff==0 ? unlikely but possible */ - - /* Switch flicker control back on if it got turned off */ - restart_flicker(cam); - - /* If AEC is enabled, monitor the exposure and - adjust the sensor frame rate if needed */ - if(cam->params.exposure.expMode == 2) - monitor_exposure(cam); - - /* camera idle now so dispatch queued commands */ - dispatch_commands(cam); - - /* Update our knowledge of the camera state */ - do_command(cam, CPIA_COMMAND_GetColourBalance, 0, 0, 0, 0); - do_command(cam, CPIA_COMMAND_GetExposure, 0, 0, 0, 0); - do_command(cam, CPIA_COMMAND_ReadMCPorts, 0, 0, 0, 0); - - /* decompress and convert image to by copying it from - * raw_image to decompressed_frame - */ - - cond_resched(); - - cam->image_size = parse_picture(cam, image_size); - if (cam->image_size <= 0) { - DBG("parse_picture failed %d\n", cam->image_size); - if(cam->params.compression.mode != - CPIA_COMPRESSION_NONE) { - /* Compression may not work right if we - had a bad frame, get the next one - uncompressed. */ - cam->first_frame = 1; - do_command(cam, CPIA_COMMAND_SetGrabMode, - CPIA_GRAB_SINGLE, 0, 0, 0); - /* FIXME: Trial & error - need up to 70ms for - the grab mode change to complete ? */ - msleep_interruptible(70); - if (signal_pending(current)) - return -EINTR; - } - } else - break; - } - - if (retry < 3) { - /* FIXME: this only works for double buffering */ - if (cam->frame[cam->curframe].state == FRAME_READY) { - memcpy(cam->frame[cam->curframe].data, - cam->decompressed_frame.data, - cam->decompressed_frame.count); - cam->frame[cam->curframe].state = FRAME_DONE; - } else - cam->decompressed_frame.state = FRAME_DONE; - - if (cam->first_frame) { - cam->first_frame = 0; - do_command(cam, CPIA_COMMAND_SetCompression, - cam->params.compression.mode, - cam->params.compression.decimation, 0, 0); - - /* Switch from single-grab to continuous grab */ - do_command(cam, CPIA_COMMAND_SetGrabMode, - CPIA_GRAB_CONTINUOUS, 0, 0, 0); - } - return 0; - } - return -EIO; -} - -static int capture_frame(struct cam_data *cam, struct video_mmap *vm) -{ - if (!cam->frame_buf) { - /* we do lazy allocation */ - int err; - if ((err = allocate_frame_buf(cam))) - return err; - } - - cam->curframe = vm->frame; - cam->frame[cam->curframe].state = FRAME_READY; - return fetch_frame(cam); -} - -static int goto_high_power(struct cam_data *cam) -{ - if (do_command(cam, CPIA_COMMAND_GotoHiPower, 0, 0, 0, 0)) - return -EIO; - msleep_interruptible(40); /* windows driver does it too */ - if(signal_pending(current)) - return -EINTR; - if (do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0)) - return -EIO; - if (cam->params.status.systemState == HI_POWER_STATE) { - DBG("camera now in HIGH power state\n"); - return 0; - } - printstatus(cam); - return -EIO; -} - -static int goto_low_power(struct cam_data *cam) -{ - if (do_command(cam, CPIA_COMMAND_GotoLoPower, 0, 0, 0, 0)) - return -1; - if (do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0)) - return -1; - if (cam->params.status.systemState == LO_POWER_STATE) { - DBG("camera now in LOW power state\n"); - return 0; - } - printstatus(cam); - return -1; -} - -static void save_camera_state(struct cam_data *cam) -{ - if(!(cam->cmd_queue & COMMAND_SETCOLOURBALANCE)) - do_command(cam, CPIA_COMMAND_GetColourBalance, 0, 0, 0, 0); - if(!(cam->cmd_queue & COMMAND_SETEXPOSURE)) - do_command(cam, CPIA_COMMAND_GetExposure, 0, 0, 0, 0); - - DBG("%d/%d/%d/%d/%d/%d/%d/%d\n", - cam->params.exposure.gain, - cam->params.exposure.fineExp, - cam->params.exposure.coarseExpLo, - cam->params.exposure.coarseExpHi, - cam->params.exposure.redComp, - cam->params.exposure.green1Comp, - cam->params.exposure.green2Comp, - cam->params.exposure.blueComp); - DBG("%d/%d/%d\n", - cam->params.colourBalance.redGain, - cam->params.colourBalance.greenGain, - cam->params.colourBalance.blueGain); -} - -static int set_camera_state(struct cam_data *cam) -{ - cam->cmd_queue = COMMAND_SETCOMPRESSION | - COMMAND_SETCOMPRESSIONTARGET | - COMMAND_SETCOLOURPARAMS | - COMMAND_SETFORMAT | - COMMAND_SETYUVTHRESH | - COMMAND_SETECPTIMING | - COMMAND_SETCOMPRESSIONPARAMS | - COMMAND_SETEXPOSURE | - COMMAND_SETCOLOURBALANCE | - COMMAND_SETSENSORFPS | - COMMAND_SETAPCOR | - COMMAND_SETFLICKERCTRL | - COMMAND_SETVLOFFSET; - - do_command(cam, CPIA_COMMAND_SetGrabMode, CPIA_GRAB_SINGLE,0,0,0); - dispatch_commands(cam); - - /* Wait 6 frames for the sensor to get all settings and - AEC/ACB to settle */ - msleep_interruptible(6*(cam->params.sensorFps.baserate ? 33 : 40) * - (1 << cam->params.sensorFps.divisor) + 10); - - if(signal_pending(current)) - return -EINTR; - - save_camera_state(cam); - - return 0; -} - -static void get_version_information(struct cam_data *cam) -{ - /* GetCPIAVersion */ - do_command(cam, CPIA_COMMAND_GetCPIAVersion, 0, 0, 0, 0); - - /* GetPnPID */ - do_command(cam, CPIA_COMMAND_GetPnPID, 0, 0, 0, 0); -} - -/* initialize camera */ -static int reset_camera(struct cam_data *cam) -{ - int err; - /* Start the camera in low power mode */ - if (goto_low_power(cam)) { - if (cam->params.status.systemState != WARM_BOOT_STATE) - return -ENODEV; - - /* FIXME: this is just dirty trial and error */ - err = goto_high_power(cam); - if(err) - return err; - do_command(cam, CPIA_COMMAND_DiscardFrame, 0, 0, 0, 0); - if (goto_low_power(cam)) - return -ENODEV; - } - - /* procedure described in developer's guide p3-28 */ - - /* Check the firmware version. */ - cam->params.version.firmwareVersion = 0; - get_version_information(cam); - if (cam->params.version.firmwareVersion != 1) - return -ENODEV; - - /* A bug in firmware 1-02 limits gainMode to 2 */ - if(cam->params.version.firmwareRevision <= 2 && - cam->params.exposure.gainMode > 2) { - cam->params.exposure.gainMode = 2; - } - - /* set QX3 detected flag */ - cam->params.qx3.qx3_detected = (cam->params.pnpID.vendor == 0x0813 && - cam->params.pnpID.product == 0x0001); - - /* The fatal error checking should be done after - * the camera powers up (developer's guide p 3-38) */ - - /* Set streamState before transition to high power to avoid bug - * in firmware 1-02 */ - do_command(cam, CPIA_COMMAND_ModifyCameraStatus, STREAMSTATE, 0, - STREAM_NOT_READY, 0); - - /* GotoHiPower */ - err = goto_high_power(cam); - if (err) - return err; - - /* Check the camera status */ - if (do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0)) - return -EIO; - - if (cam->params.status.fatalError) { - DBG("fatal_error: %#04x\n", - cam->params.status.fatalError); - DBG("vp_status: %#04x\n", - cam->params.status.vpStatus); - if (cam->params.status.fatalError & ~(COM_FLAG|CPIA_FLAG)) { - /* Fatal error in camera */ - return -EIO; - } else if (cam->params.status.fatalError & (COM_FLAG|CPIA_FLAG)) { - /* Firmware 1-02 may do this for parallel port cameras, - * just clear the flags (developer's guide p 3-38) */ - do_command(cam, CPIA_COMMAND_ModifyCameraStatus, - FATALERROR, ~(COM_FLAG|CPIA_FLAG), 0, 0); - } - } - - /* Check the camera status again */ - if (cam->params.status.fatalError) { - if (cam->params.status.fatalError) - return -EIO; - } - - /* VPVersion can't be retrieved before the camera is in HiPower, - * so get it here instead of in get_version_information. */ - do_command(cam, CPIA_COMMAND_GetVPVersion, 0, 0, 0, 0); - - /* set camera to a known state */ - return set_camera_state(cam); -} - -static void put_cam(struct cpia_camera_ops* ops) -{ - module_put(ops->owner); -} - -/* ------------------------- V4L interface --------------------- */ -static int cpia_open(struct file *file) -{ - struct video_device *dev = video_devdata(file); - struct cam_data *cam = video_get_drvdata(dev); - int err; - - if (!cam) { - DBG("Internal error, cam_data not found!\n"); - return -ENODEV; - } - - if (cam->open_count > 0) { - DBG("Camera already open\n"); - return -EBUSY; - } - - if (!try_module_get(cam->ops->owner)) - return -ENODEV; - - mutex_lock(&cam->busy_lock); - err = -ENOMEM; - if (!cam->raw_image) { - cam->raw_image = rvmalloc(CPIA_MAX_IMAGE_SIZE); - if (!cam->raw_image) - goto oops; - } - - if (!cam->decompressed_frame.data) { - cam->decompressed_frame.data = rvmalloc(CPIA_MAX_FRAME_SIZE); - if (!cam->decompressed_frame.data) - goto oops; - } - - /* open cpia */ - err = -ENODEV; - if (cam->ops->open(cam->lowlevel_data)) - goto oops; - - /* reset the camera */ - if ((err = reset_camera(cam)) != 0) { - cam->ops->close(cam->lowlevel_data); - goto oops; - } - - /* Set ownership of /proc/cpia/videoX to current user */ - if(cam->proc_entry) - cam->proc_entry->uid = current_euid(); - - /* set mark for loading first frame uncompressed */ - cam->first_frame = 1; - - /* init it to something */ - cam->mmap_kludge = 0; - - ++cam->open_count; - file->private_data = dev; - mutex_unlock(&cam->busy_lock); - return 0; - - oops: - if (cam->decompressed_frame.data) { - rvfree(cam->decompressed_frame.data, CPIA_MAX_FRAME_SIZE); - cam->decompressed_frame.data = NULL; - } - if (cam->raw_image) { - rvfree(cam->raw_image, CPIA_MAX_IMAGE_SIZE); - cam->raw_image = NULL; - } - mutex_unlock(&cam->busy_lock); - put_cam(cam->ops); - return err; -} - -static int cpia_close(struct file *file) -{ - struct video_device *dev = file->private_data; - struct cam_data *cam = video_get_drvdata(dev); - - if (cam->ops) { - /* Return ownership of /proc/cpia/videoX to root */ - if(cam->proc_entry) - cam->proc_entry->uid = 0; - - /* save camera state for later open (developers guide ch 3.5.3) */ - save_camera_state(cam); - - /* GotoLoPower */ - goto_low_power(cam); - - /* Update the camera status */ - do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0); - - /* cleanup internal state stuff */ - free_frames(cam->frame); - - /* close cpia */ - cam->ops->close(cam->lowlevel_data); - - put_cam(cam->ops); - } - - if (--cam->open_count == 0) { - /* clean up capture-buffers */ - if (cam->raw_image) { - rvfree(cam->raw_image, CPIA_MAX_IMAGE_SIZE); - cam->raw_image = NULL; - } - - if (cam->decompressed_frame.data) { - rvfree(cam->decompressed_frame.data, CPIA_MAX_FRAME_SIZE); - cam->decompressed_frame.data = NULL; - } - - if (cam->frame_buf) - free_frame_buf(cam); - - if (!cam->ops) - kfree(cam); - } - file->private_data = NULL; - - return 0; -} - -static ssize_t cpia_read(struct file *file, char __user *buf, - size_t count, loff_t *ppos) -{ - struct video_device *dev = file->private_data; - struct cam_data *cam = video_get_drvdata(dev); - int err; - - /* make this _really_ smp and multithread-safe */ - if (mutex_lock_interruptible(&cam->busy_lock)) - return -EINTR; - - if (!buf) { - DBG("buf NULL\n"); - mutex_unlock(&cam->busy_lock); - return -EINVAL; - } - - if (!count) { - DBG("count 0\n"); - mutex_unlock(&cam->busy_lock); - return 0; - } - - if (!cam->ops) { - DBG("ops NULL\n"); - mutex_unlock(&cam->busy_lock); - return -ENODEV; - } - - /* upload frame */ - cam->decompressed_frame.state = FRAME_READY; - cam->mmap_kludge=0; - if((err = fetch_frame(cam)) != 0) { - DBG("ERROR from fetch_frame: %d\n", err); - mutex_unlock(&cam->busy_lock); - return err; - } - cam->decompressed_frame.state = FRAME_UNUSED; - - /* copy data to user space */ - if (cam->decompressed_frame.count > count) { - DBG("count wrong: %d, %lu\n", cam->decompressed_frame.count, - (unsigned long) count); - mutex_unlock(&cam->busy_lock); - return -EFAULT; - } - if (copy_to_user(buf, cam->decompressed_frame.data, - cam->decompressed_frame.count)) { - DBG("copy_to_user failed\n"); - mutex_unlock(&cam->busy_lock); - return -EFAULT; - } - - mutex_unlock(&cam->busy_lock); - return cam->decompressed_frame.count; -} - -static long cpia_do_ioctl(struct file *file, unsigned int cmd, void *arg) -{ - struct video_device *dev = file->private_data; - struct cam_data *cam = video_get_drvdata(dev); - int retval = 0; - - if (!cam || !cam->ops) - return -ENODEV; - - /* make this _really_ smp-safe */ - if (mutex_lock_interruptible(&cam->busy_lock)) - return -EINTR; - - /* DBG("cpia_ioctl: %u\n", cmd); */ - - switch (cmd) { - /* query capabilities */ - case VIDIOCGCAP: - { - struct video_capability *b = arg; - - DBG("VIDIOCGCAP\n"); - strcpy(b->name, "CPiA Camera"); - b->type = VID_TYPE_CAPTURE | VID_TYPE_SUBCAPTURE; - b->channels = 1; - b->audios = 0; - b->maxwidth = 352; /* VIDEOSIZE_CIF */ - b->maxheight = 288; - b->minwidth = 48; /* VIDEOSIZE_48_48 */ - b->minheight = 48; - break; - } - - /* get/set video source - we are a camera and nothing else */ - case VIDIOCGCHAN: - { - struct video_channel *v = arg; - - DBG("VIDIOCGCHAN\n"); - if (v->channel != 0) { - retval = -EINVAL; - break; - } - - v->channel = 0; - strcpy(v->name, "Camera"); - v->tuners = 0; - v->flags = 0; - v->type = VIDEO_TYPE_CAMERA; - v->norm = 0; - break; - } - - case VIDIOCSCHAN: - { - struct video_channel *v = arg; - - DBG("VIDIOCSCHAN\n"); - if (v->channel != 0) - retval = -EINVAL; - break; - } - - /* image properties */ - case VIDIOCGPICT: - { - struct video_picture *pic = arg; - DBG("VIDIOCGPICT\n"); - *pic = cam->vp; - break; - } - - case VIDIOCSPICT: - { - struct video_picture *vp = arg; - - DBG("VIDIOCSPICT\n"); - - /* check validity */ - DBG("palette: %d\n", vp->palette); - DBG("depth: %d\n", vp->depth); - if (!valid_mode(vp->palette, vp->depth)) { - retval = -EINVAL; - break; - } - - mutex_lock(&cam->param_lock); - /* brightness, colour, contrast need no check 0-65535 */ - cam->vp = *vp; - /* update cam->params.colourParams */ - cam->params.colourParams.brightness = vp->brightness*100/65535; - cam->params.colourParams.contrast = vp->contrast*100/65535; - cam->params.colourParams.saturation = vp->colour*100/65535; - /* contrast is in steps of 8, so round */ - cam->params.colourParams.contrast = - ((cam->params.colourParams.contrast + 3) / 8) * 8; - if (cam->params.version.firmwareVersion == 1 && - cam->params.version.firmwareRevision == 2 && - cam->params.colourParams.contrast > 80) { - /* 1-02 firmware limits contrast to 80 */ - cam->params.colourParams.contrast = 80; - } - - /* Adjust flicker control if necessary */ - if(cam->params.flickerControl.allowableOverExposure < 0) - cam->params.flickerControl.allowableOverExposure = - -find_over_exposure(cam->params.colourParams.brightness); - if(cam->params.flickerControl.flickerMode != 0) - cam->cmd_queue |= COMMAND_SETFLICKERCTRL; - - - /* queue command to update camera */ - cam->cmd_queue |= COMMAND_SETCOLOURPARAMS; - mutex_unlock(&cam->param_lock); - DBG("VIDIOCSPICT: %d / %d // %d / %d / %d / %d\n", - vp->depth, vp->palette, vp->brightness, vp->hue, vp->colour, - vp->contrast); - break; - } - - /* get/set capture window */ - case VIDIOCGWIN: - { - struct video_window *vw = arg; - DBG("VIDIOCGWIN\n"); - - *vw = cam->vw; - break; - } - - case VIDIOCSWIN: - { - /* copy_from_user, check validity, copy to internal structure */ - struct video_window *vw = arg; - DBG("VIDIOCSWIN\n"); - - if (vw->clipcount != 0) { /* clipping not supported */ - retval = -EINVAL; - break; - } - if (vw->clips != NULL) { /* clipping not supported */ - retval = -EINVAL; - break; - } - - /* we set the video window to something smaller or equal to what - * is requested by the user??? - */ - mutex_lock(&cam->param_lock); - if (vw->width != cam->vw.width || vw->height != cam->vw.height) { - int video_size = match_videosize(vw->width, vw->height); - - if (video_size < 0) { - retval = -EINVAL; - mutex_unlock(&cam->param_lock); - break; - } - cam->video_size = video_size; - - /* video size is changing, reset the subcapture area */ - memset(&cam->vc, 0, sizeof(cam->vc)); - - set_vw_size(cam); - DBG("%d / %d\n", cam->vw.width, cam->vw.height); - cam->cmd_queue |= COMMAND_SETFORMAT; - } - - mutex_unlock(&cam->param_lock); - - /* setformat ignored by camera during streaming, - * so stop/dispatch/start */ - if (cam->cmd_queue & COMMAND_SETFORMAT) { - DBG("\n"); - dispatch_commands(cam); - } - DBG("%d/%d:%d\n", cam->video_size, - cam->vw.width, cam->vw.height); - break; - } - - /* mmap interface */ - case VIDIOCGMBUF: - { - struct video_mbuf *vm = arg; - int i; - - DBG("VIDIOCGMBUF\n"); - memset(vm, 0, sizeof(*vm)); - vm->size = CPIA_MAX_FRAME_SIZE*FRAME_NUM; - vm->frames = FRAME_NUM; - for (i = 0; i < FRAME_NUM; i++) - vm->offsets[i] = CPIA_MAX_FRAME_SIZE * i; - break; - } - - case VIDIOCMCAPTURE: - { - struct video_mmap *vm = arg; - int video_size; - - DBG("VIDIOCMCAPTURE: %d / %d / %dx%d\n", vm->format, vm->frame, - vm->width, vm->height); - if (vm->frame<0||vm->frame>=FRAME_NUM) { - retval = -EINVAL; - break; - } - - /* set video format */ - cam->vp.palette = vm->format; - switch(vm->format) { - case VIDEO_PALETTE_GREY: - cam->vp.depth=8; - break; - case VIDEO_PALETTE_RGB555: - case VIDEO_PALETTE_RGB565: - case VIDEO_PALETTE_YUV422: - case VIDEO_PALETTE_YUYV: - case VIDEO_PALETTE_UYVY: - cam->vp.depth = 16; - break; - case VIDEO_PALETTE_RGB24: - cam->vp.depth = 24; - break; - case VIDEO_PALETTE_RGB32: - cam->vp.depth = 32; - break; - default: - retval = -EINVAL; - break; - } - if (retval) - break; - - /* set video size */ - video_size = match_videosize(vm->width, vm->height); - if (video_size < 0) { - retval = -EINVAL; - break; - } - if (video_size != cam->video_size) { - cam->video_size = video_size; - - /* video size is changing, reset the subcapture area */ - memset(&cam->vc, 0, sizeof(cam->vc)); - - set_vw_size(cam); - cam->cmd_queue |= COMMAND_SETFORMAT; - dispatch_commands(cam); - } - /* according to v4l-spec we must start streaming here */ - cam->mmap_kludge = 1; - retval = capture_frame(cam, vm); - - break; - } - - case VIDIOCSYNC: - { - int *frame = arg; - - //DBG("VIDIOCSYNC: %d\n", *frame); - - if (*frame<0 || *frame >= FRAME_NUM) { - retval = -EINVAL; - break; - } - - switch (cam->frame[*frame].state) { - case FRAME_UNUSED: - case FRAME_READY: - case FRAME_GRABBING: - DBG("sync to unused frame %d\n", *frame); - retval = -EINVAL; - break; - - case FRAME_DONE: - cam->frame[*frame].state = FRAME_UNUSED; - //DBG("VIDIOCSYNC: %d synced\n", *frame); - break; - } - if (retval == -EINTR) { - /* FIXME - xawtv does not handle this nice */ - retval = 0; - } - break; - } - - case VIDIOCGCAPTURE: - { - struct video_capture *vc = arg; - - DBG("VIDIOCGCAPTURE\n"); - - *vc = cam->vc; - - break; - } - - case VIDIOCSCAPTURE: - { - struct video_capture *vc = arg; - - DBG("VIDIOCSCAPTURE\n"); - - if (vc->decimation != 0) { /* How should this be used? */ - retval = -EINVAL; - break; - } - if (vc->flags != 0) { /* Even/odd grab not supported */ - retval = -EINVAL; - break; - } - - /* Clip to the resolution we can set for the ROI - (every 8 columns and 4 rows) */ - vc->x = vc->x & ~(__u32)7; - vc->y = vc->y & ~(__u32)3; - vc->width = vc->width & ~(__u32)7; - vc->height = vc->height & ~(__u32)3; - - if(vc->width == 0 || vc->height == 0 || - vc->x + vc->width > cam->vw.width || - vc->y + vc->height > cam->vw.height) { - retval = -EINVAL; - break; - } - - DBG("%d,%d/%dx%d\n", vc->x,vc->y,vc->width, vc->height); - - mutex_lock(&cam->param_lock); - - cam->vc.x = vc->x; - cam->vc.y = vc->y; - cam->vc.width = vc->width; - cam->vc.height = vc->height; - - set_vw_size(cam); - cam->cmd_queue |= COMMAND_SETFORMAT; - - mutex_unlock(&cam->param_lock); - - /* setformat ignored by camera during streaming, - * so stop/dispatch/start */ - dispatch_commands(cam); - break; - } - - case VIDIOCGUNIT: - { - struct video_unit *vu = arg; - - DBG("VIDIOCGUNIT\n"); - - vu->video = cam->vdev.minor; - vu->vbi = VIDEO_NO_UNIT; - vu->radio = VIDEO_NO_UNIT; - vu->audio = VIDEO_NO_UNIT; - vu->teletext = VIDEO_NO_UNIT; - - break; - } - - - /* pointless to implement overlay with this camera */ - case VIDIOCCAPTURE: - case VIDIOCGFBUF: - case VIDIOCSFBUF: - case VIDIOCKEY: - /* tuner interface - we have none */ - case VIDIOCGTUNER: - case VIDIOCSTUNER: - case VIDIOCGFREQ: - case VIDIOCSFREQ: - /* audio interface - we have none */ - case VIDIOCGAUDIO: - case VIDIOCSAUDIO: - retval = -EINVAL; - break; - default: - retval = -ENOIOCTLCMD; - break; - } - - mutex_unlock(&cam->busy_lock); - return retval; -} - -static long cpia_ioctl(struct file *file, - unsigned int cmd, unsigned long arg) -{ - return video_usercopy(file, cmd, arg, cpia_do_ioctl); -} - - -/* FIXME */ -static int cpia_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct video_device *dev = file->private_data; - unsigned long start = vma->vm_start; - unsigned long size = vma->vm_end - vma->vm_start; - unsigned long page, pos; - struct cam_data *cam = video_get_drvdata(dev); - int retval; - - if (!cam || !cam->ops) - return -ENODEV; - - DBG("cpia_mmap: %ld\n", size); - - if (size > FRAME_NUM*CPIA_MAX_FRAME_SIZE) - return -EINVAL; - - /* make this _really_ smp-safe */ - if (mutex_lock_interruptible(&cam->busy_lock)) - return -EINTR; - - if (!cam->frame_buf) { /* we do lazy allocation */ - if ((retval = allocate_frame_buf(cam))) { - mutex_unlock(&cam->busy_lock); - return retval; - } - } - - pos = (unsigned long)(cam->frame_buf); - while (size > 0) { - page = vmalloc_to_pfn((void *)pos); - if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) { - mutex_unlock(&cam->busy_lock); - return -EAGAIN; - } - start += PAGE_SIZE; - pos += PAGE_SIZE; - if (size > PAGE_SIZE) - size -= PAGE_SIZE; - else - size = 0; - } - - DBG("cpia_mmap: %ld\n", size); - mutex_unlock(&cam->busy_lock); - - return 0; -} - -static const struct v4l2_file_operations cpia_fops = { - .owner = THIS_MODULE, - .open = cpia_open, - .release = cpia_close, - .read = cpia_read, - .mmap = cpia_mmap, - .ioctl = cpia_ioctl, -}; - -static struct video_device cpia_template = { - .name = "CPiA Camera", - .fops = &cpia_fops, - .release = video_device_release_empty, -}; - -/* initialise cam_data structure */ -static void reset_camera_struct(struct cam_data *cam) -{ - /* The following parameter values are the defaults from - * "Software Developer's Guide for CPiA Cameras". Any changes - * to the defaults are noted in comments. */ - cam->params.colourParams.brightness = 50; - cam->params.colourParams.contrast = 48; - cam->params.colourParams.saturation = 50; - cam->params.exposure.gainMode = 4; - cam->params.exposure.expMode = 2; /* AEC */ - cam->params.exposure.compMode = 1; - cam->params.exposure.centreWeight = 1; - cam->params.exposure.gain = 0; - cam->params.exposure.fineExp = 0; - cam->params.exposure.coarseExpLo = 185; - cam->params.exposure.coarseExpHi = 0; - cam->params.exposure.redComp = COMP_RED; - cam->params.exposure.green1Comp = COMP_GREEN1; - cam->params.exposure.green2Comp = COMP_GREEN2; - cam->params.exposure.blueComp = COMP_BLUE; - cam->params.colourBalance.balanceMode = 2; /* ACB */ - cam->params.colourBalance.redGain = 32; - cam->params.colourBalance.greenGain = 6; - cam->params.colourBalance.blueGain = 92; - cam->params.apcor.gain1 = 0x18; - cam->params.apcor.gain2 = 0x16; - cam->params.apcor.gain4 = 0x24; - cam->params.apcor.gain8 = 0x34; - cam->params.flickerControl.flickerMode = 0; - cam->params.flickerControl.disabled = 1; - - cam->params.flickerControl.coarseJump = - flicker_jumps[cam->mainsFreq] - [cam->params.sensorFps.baserate] - [cam->params.sensorFps.divisor]; - cam->params.flickerControl.allowableOverExposure = - -find_over_exposure(cam->params.colourParams.brightness); - cam->params.vlOffset.gain1 = 20; - cam->params.vlOffset.gain2 = 24; - cam->params.vlOffset.gain4 = 26; - cam->params.vlOffset.gain8 = 26; - cam->params.compressionParams.hysteresis = 3; - cam->params.compressionParams.threshMax = 11; - cam->params.compressionParams.smallStep = 1; - cam->params.compressionParams.largeStep = 3; - cam->params.compressionParams.decimationHysteresis = 2; - cam->params.compressionParams.frDiffStepThresh = 5; - cam->params.compressionParams.qDiffStepThresh = 3; - cam->params.compressionParams.decimationThreshMod = 2; - /* End of default values from Software Developer's Guide */ - - cam->transfer_rate = 0; - cam->exposure_status = EXPOSURE_NORMAL; - - /* Set Sensor FPS to 15fps. This seems better than 30fps - * for indoor lighting. */ - cam->params.sensorFps.divisor = 1; - cam->params.sensorFps.baserate = 1; - - cam->params.yuvThreshold.yThreshold = 6; /* From windows driver */ - cam->params.yuvThreshold.uvThreshold = 6; /* From windows driver */ - - cam->params.format.subSample = SUBSAMPLE_422; - cam->params.format.yuvOrder = YUVORDER_YUYV; - - cam->params.compression.mode = CPIA_COMPRESSION_AUTO; - cam->params.compressionTarget.frTargeting = - CPIA_COMPRESSION_TARGET_QUALITY; - cam->params.compressionTarget.targetFR = 15; /* From windows driver */ - cam->params.compressionTarget.targetQ = 5; /* From windows driver */ - - cam->params.qx3.qx3_detected = 0; - cam->params.qx3.toplight = 0; - cam->params.qx3.bottomlight = 0; - cam->params.qx3.button = 0; - cam->params.qx3.cradled = 0; - - cam->video_size = VIDEOSIZE_CIF; - - cam->vp.colour = 32768; /* 50% */ - cam->vp.hue = 32768; /* 50% */ - cam->vp.brightness = 32768; /* 50% */ - cam->vp.contrast = 32768; /* 50% */ - cam->vp.whiteness = 0; /* not used -> grayscale only */ - cam->vp.depth = 24; /* to be set by user */ - cam->vp.palette = VIDEO_PALETTE_RGB24; /* to be set by user */ - - cam->vc.x = 0; - cam->vc.y = 0; - cam->vc.width = 0; - cam->vc.height = 0; - - cam->vw.x = 0; - cam->vw.y = 0; - set_vw_size(cam); - cam->vw.chromakey = 0; - cam->vw.flags = 0; - cam->vw.clipcount = 0; - cam->vw.clips = NULL; - - cam->cmd_queue = COMMAND_NONE; - cam->first_frame = 1; - - return; -} - -/* initialize cam_data structure */ -static void init_camera_struct(struct cam_data *cam, - struct cpia_camera_ops *ops ) -{ - int i; - - /* Default everything to 0 */ - memset(cam, 0, sizeof(struct cam_data)); - - cam->ops = ops; - mutex_init(&cam->param_lock); - mutex_init(&cam->busy_lock); - - reset_camera_struct(cam); - - cam->proc_entry = NULL; - - memcpy(&cam->vdev, &cpia_template, sizeof(cpia_template)); - video_set_drvdata(&cam->vdev, cam); - - cam->curframe = 0; - for (i = 0; i < FRAME_NUM; i++) { - cam->frame[i].width = 0; - cam->frame[i].height = 0; - cam->frame[i].state = FRAME_UNUSED; - cam->frame[i].data = NULL; - } - cam->decompressed_frame.width = 0; - cam->decompressed_frame.height = 0; - cam->decompressed_frame.state = FRAME_UNUSED; - cam->decompressed_frame.data = NULL; -} - -struct cam_data *cpia_register_camera(struct cpia_camera_ops *ops, void *lowlevel) -{ - struct cam_data *camera; - - if ((camera = kmalloc(sizeof(struct cam_data), GFP_KERNEL)) == NULL) - return NULL; - - - init_camera_struct( camera, ops ); - camera->lowlevel_data = lowlevel; - - /* register v4l device */ - if (video_register_device(&camera->vdev, VFL_TYPE_GRABBER, video_nr) < 0) { - kfree(camera); - printk(KERN_DEBUG "video_register_device failed\n"); - return NULL; - } - - /* get version information from camera: open/reset/close */ - - /* open cpia */ - if (camera->ops->open(camera->lowlevel_data)) - return camera; - - /* reset the camera */ - if (reset_camera(camera) != 0) { - camera->ops->close(camera->lowlevel_data); - return camera; - } - - /* close cpia */ - camera->ops->close(camera->lowlevel_data); - -#ifdef CONFIG_PROC_FS - create_proc_cpia_cam(camera); -#endif - - printk(KERN_INFO " CPiA Version: %d.%02d (%d.%d)\n", - camera->params.version.firmwareVersion, - camera->params.version.firmwareRevision, - camera->params.version.vcVersion, - camera->params.version.vcRevision); - printk(KERN_INFO " CPiA PnP-ID: %04x:%04x:%04x\n", - camera->params.pnpID.vendor, - camera->params.pnpID.product, - camera->params.pnpID.deviceRevision); - printk(KERN_INFO " VP-Version: %d.%d %04x\n", - camera->params.vpVersion.vpVersion, - camera->params.vpVersion.vpRevision, - camera->params.vpVersion.cameraHeadID); - - return camera; -} - -void cpia_unregister_camera(struct cam_data *cam) -{ - DBG("unregistering video\n"); - video_unregister_device(&cam->vdev); - if (cam->open_count) { - put_cam(cam->ops); - DBG("camera open -- setting ops to NULL\n"); - cam->ops = NULL; - } - -#ifdef CONFIG_PROC_FS - DBG("destroying /proc/cpia/%s\n", video_device_node_name(&cam->vdev)); - destroy_proc_cpia_cam(cam); -#endif - if (!cam->open_count) { - DBG("freeing camera\n"); - kfree(cam); - } -} - -static int __init cpia_init(void) -{ - printk(KERN_INFO "%s v%d.%d.%d\n", ABOUT, - CPIA_MAJ_VER, CPIA_MIN_VER, CPIA_PATCH_VER); - - printk(KERN_WARNING "Since in-kernel colorspace conversion is not " - "allowed, it is disabled by default now. Users should fix the " - "applications in case they don't work without conversion " - "reenabled by setting the 'colorspace_conv' module " - "parameter to 1\n"); - -#ifdef CONFIG_PROC_FS - proc_cpia_create(); -#endif - - return 0; -} - -static void __exit cpia_exit(void) -{ -#ifdef CONFIG_PROC_FS - proc_cpia_destroy(); -#endif -} - -module_init(cpia_init); -module_exit(cpia_exit); - -/* Exported symbols for modules. */ - -EXPORT_SYMBOL(cpia_register_camera); -EXPORT_SYMBOL(cpia_unregister_camera); diff --git a/drivers/staging/cpia/cpia.h b/drivers/staging/cpia/cpia.h deleted file mode 100644 index 8f0cfee4b8a1..000000000000 --- a/drivers/staging/cpia/cpia.h +++ /dev/null @@ -1,432 +0,0 @@ -#ifndef cpia_h -#define cpia_h - -/* - * CPiA Parallel Port Video4Linux driver - * - * Supports CPiA based parallel port Video Camera's. - * - * (C) Copyright 1999 Bas Huisman, - * Peter Pregler, - * Scott J. Bertin, - * VLSI Vision Ltd. - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#define CPIA_MAJ_VER 1 -#define CPIA_MIN_VER 2 -#define CPIA_PATCH_VER 3 - -#define CPIA_PP_MAJ_VER CPIA_MAJ_VER -#define CPIA_PP_MIN_VER CPIA_MIN_VER -#define CPIA_PP_PATCH_VER CPIA_PATCH_VER - -#define CPIA_USB_MAJ_VER CPIA_MAJ_VER -#define CPIA_USB_MIN_VER CPIA_MIN_VER -#define CPIA_USB_PATCH_VER CPIA_PATCH_VER - -#define CPIA_MAX_FRAME_SIZE_UNALIGNED (352 * 288 * 4) /* CIF at RGB32 */ -#define CPIA_MAX_FRAME_SIZE ((CPIA_MAX_FRAME_SIZE_UNALIGNED + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1)) /* align above to PAGE_SIZE */ - -#ifdef __KERNEL__ - -#include <asm/uaccess.h> -#include <linux/videodev.h> -#include <media/v4l2-common.h> -#include <media/v4l2-ioctl.h> -#include <linux/list.h> -#include <linux/mutex.h> - -struct cpia_camera_ops -{ - /* open sets privdata to point to structure for this camera. - * Returns negative value on error, otherwise 0. - */ - int (*open)(void *privdata); - - /* Registers callback function cb to be called with cbdata - * when an image is ready. If cb is NULL, only single image grabs - * should be used. cb should immediately call streamRead to read - * the data or data may be lost. Returns negative value on error, - * otherwise 0. - */ - int (*registerCallback)(void *privdata, void (*cb)(void *cbdata), - void *cbdata); - - /* transferCmd sends commands to the camera. command MUST point to - * an 8 byte buffer in kernel space. data can be NULL if no extra - * data is needed. The size of the data is given by the last 2 - * bytes of command. data must also point to memory in kernel space. - * Returns negative value on error, otherwise 0. - */ - int (*transferCmd)(void *privdata, u8 *command, u8 *data); - - /* streamStart initiates stream capture mode. - * Returns negative value on error, otherwise 0. - */ - int (*streamStart)(void *privdata); - - /* streamStop terminates stream capture mode. - * Returns negative value on error, otherwise 0. - */ - int (*streamStop)(void *privdata); - - /* streamRead reads a frame from the camera. buffer points to a - * buffer large enough to hold a complete frame in kernel space. - * noblock indicates if this should be a non blocking read. - * Returns the number of bytes read, or negative value on error. - */ - int (*streamRead)(void *privdata, u8 *buffer, int noblock); - - /* close disables the device until open() is called again. - * Returns negative value on error, otherwise 0. - */ - int (*close)(void *privdata); - - /* If wait_for_stream_ready is non-zero, wait until the streamState - * is STREAM_READY before calling streamRead. - */ - int wait_for_stream_ready; - - /* - * Used to maintain lowlevel module usage counts - */ - struct module *owner; -}; - -struct cpia_frame { - u8 *data; - int count; - int width; - int height; - volatile int state; -}; - -struct cam_params { - struct { - u8 firmwareVersion; - u8 firmwareRevision; - u8 vcVersion; - u8 vcRevision; - } version; - struct { - u16 vendor; - u16 product; - u16 deviceRevision; - } pnpID; - struct { - u8 vpVersion; - u8 vpRevision; - u16 cameraHeadID; - } vpVersion; - struct { - u8 systemState; - u8 grabState; - u8 streamState; - u8 fatalError; - u8 cmdError; - u8 debugFlags; - u8 vpStatus; - u8 errorCode; - } status; - struct { - u8 brightness; - u8 contrast; - u8 saturation; - } colourParams; - struct { - u8 gainMode; - u8 expMode; - u8 compMode; - u8 centreWeight; - u8 gain; - u8 fineExp; - u8 coarseExpLo; - u8 coarseExpHi; - u8 redComp; - u8 green1Comp; - u8 green2Comp; - u8 blueComp; - } exposure; - struct { - u8 balanceMode; - u8 redGain; - u8 greenGain; - u8 blueGain; - } colourBalance; - struct { - u8 divisor; - u8 baserate; - } sensorFps; - struct { - u8 gain1; - u8 gain2; - u8 gain4; - u8 gain8; - } apcor; - struct { - u8 disabled; - u8 flickerMode; - u8 coarseJump; - int allowableOverExposure; - } flickerControl; - struct { - u8 gain1; - u8 gain2; - u8 gain4; - u8 gain8; - } vlOffset; - struct { - u8 mode; - u8 decimation; - } compression; - struct { - u8 frTargeting; - u8 targetFR; - u8 targetQ; - } compressionTarget; - struct { - u8 yThreshold; - u8 uvThreshold; - } yuvThreshold; - struct { - u8 hysteresis; - u8 threshMax; - u8 smallStep; - u8 largeStep; - u8 decimationHysteresis; - u8 frDiffStepThresh; - u8 qDiffStepThresh; - u8 decimationThreshMod; - } compressionParams; - struct { - u8 videoSize; /* CIF/QCIF */ - u8 subSample; - u8 yuvOrder; - } format; - struct { /* Intel QX3 specific data */ - u8 qx3_detected; /* a QX3 is present */ - u8 toplight; /* top light lit , R/W */ - u8 bottomlight; /* bottom light lit, R/W */ - u8 button; /* snapshot button pressed (R/O) */ - u8 cradled; /* microscope is in cradle (R/O) */ - } qx3; - struct { - u8 colStart; /* skip first 8*colStart pixels */ - u8 colEnd; /* finish at 8*colEnd pixels */ - u8 rowStart; /* skip first 4*rowStart lines */ - u8 rowEnd; /* finish at 4*rowEnd lines */ - } roi; - u8 ecpTiming; - u8 streamStartLine; -}; - -enum v4l_camstates { - CPIA_V4L_IDLE = 0, - CPIA_V4L_ERROR, - CPIA_V4L_COMMAND, - CPIA_V4L_GRABBING, - CPIA_V4L_STREAMING, - CPIA_V4L_STREAMING_PAUSED, -}; - -#define FRAME_NUM 2 /* double buffering for now */ - -struct cam_data { - struct list_head cam_data_list; - - struct mutex busy_lock; /* guard against SMP multithreading */ - struct cpia_camera_ops *ops; /* lowlevel driver operations */ - void *lowlevel_data; /* private data for lowlevel driver */ - u8 *raw_image; /* buffer for raw image data */ - struct cpia_frame decompressed_frame; - /* buffer to hold decompressed frame */ - int image_size; /* sizeof last decompressed image */ - int open_count; /* # of process that have camera open */ - - /* camera status */ - int fps; /* actual fps reported by the camera */ - int transfer_rate; /* transfer rate from camera in kB/s */ - u8 mainsFreq; /* for flicker control */ - - /* proc interface */ - struct mutex param_lock; /* params lock for this camera */ - struct cam_params params; /* camera settings */ - struct proc_dir_entry *proc_entry; /* /proc/cpia/videoX */ - - /* v4l */ - int video_size; /* VIDEO_SIZE_ */ - volatile enum v4l_camstates camstate; /* v4l layer status */ - struct video_device vdev; /* v4l videodev */ - struct video_picture vp; /* v4l camera settings */ - struct video_window vw; /* v4l capture area */ - struct video_capture vc; /* v4l subcapture area */ - - /* mmap interface */ - int curframe; /* the current frame to grab into */ - u8 *frame_buf; /* frame buffer data */ - struct cpia_frame frame[FRAME_NUM]; - /* FRAME_NUM-buffering, so we need a array */ - - int first_frame; - int mmap_kludge; /* 'wrong' byte order for mmap */ - volatile u32 cmd_queue; /* queued commands */ - int exposure_status; /* EXPOSURE_* */ - int exposure_count; /* number of frames at this status */ -}; - -/* cpia_register_camera is called by low level driver for each camera. - * A unique camera number is returned, or a negative value on error */ -struct cam_data *cpia_register_camera(struct cpia_camera_ops *ops, void *lowlevel); - -/* cpia_unregister_camera is called by low level driver when a camera - * is removed. This must not fail. */ -void cpia_unregister_camera(struct cam_data *cam); - -/* raw CIF + 64 byte header + (2 bytes line_length + EOL) per line + 4*EOI + - * one byte 16bit DMA alignment - */ -#define CPIA_MAX_IMAGE_SIZE ((352*288*2)+64+(288*3)+5) - -/* constant value's */ -#define MAGIC_0 0x19 -#define MAGIC_1 0x68 -#define DATA_IN 0xC0 -#define DATA_OUT 0x40 -#define VIDEOSIZE_QCIF 0 /* 176x144 */ -#define VIDEOSIZE_CIF 1 /* 352x288 */ -#define VIDEOSIZE_SIF 2 /* 320x240 */ -#define VIDEOSIZE_QSIF 3 /* 160x120 */ -#define VIDEOSIZE_48_48 4 /* where no one has gone before, iconsize! */ -#define VIDEOSIZE_64_48 5 -#define VIDEOSIZE_128_96 6 -#define VIDEOSIZE_160_120 VIDEOSIZE_QSIF -#define VIDEOSIZE_176_144 VIDEOSIZE_QCIF -#define VIDEOSIZE_192_144 7 -#define VIDEOSIZE_224_168 8 -#define VIDEOSIZE_256_192 9 -#define VIDEOSIZE_288_216 10 -#define VIDEOSIZE_320_240 VIDEOSIZE_SIF -#define VIDEOSIZE_352_288 VIDEOSIZE_CIF -#define VIDEOSIZE_88_72 11 /* quarter CIF */ -#define SUBSAMPLE_420 0 -#define SUBSAMPLE_422 1 -#define YUVORDER_YUYV 0 -#define YUVORDER_UYVY 1 -#define NOT_COMPRESSED 0 -#define COMPRESSED 1 -#define NO_DECIMATION 0 -#define DECIMATION_ENAB 1 -#define EOI 0xff /* End Of Image */ -#define EOL 0xfd /* End Of Line */ -#define FRAME_HEADER_SIZE 64 - -/* Image grab modes */ -#define CPIA_GRAB_SINGLE 0 -#define CPIA_GRAB_CONTINUOUS 1 - -/* Compression parameters */ -#define CPIA_COMPRESSION_NONE 0 -#define CPIA_COMPRESSION_AUTO 1 -#define CPIA_COMPRESSION_MANUAL 2 -#define CPIA_COMPRESSION_TARGET_QUALITY 0 -#define CPIA_COMPRESSION_TARGET_FRAMERATE 1 - -/* Return offsets for GetCameraState */ -#define SYSTEMSTATE 0 -#define GRABSTATE 1 -#define STREAMSTATE 2 -#define FATALERROR 3 -#define CMDERROR 4 -#define DEBUGFLAGS 5 -#define VPSTATUS 6 -#define ERRORCODE 7 - -/* SystemState */ -#define UNINITIALISED_STATE 0 -#define PASS_THROUGH_STATE 1 -#define LO_POWER_STATE 2 -#define HI_POWER_STATE 3 -#define WARM_BOOT_STATE 4 - -/* GrabState */ -#define GRAB_IDLE 0 -#define GRAB_ACTIVE 1 -#define GRAB_DONE 2 - -/* StreamState */ -#define STREAM_NOT_READY 0 -#define STREAM_READY 1 -#define STREAM_OPEN 2 -#define STREAM_PAUSED 3 -#define STREAM_FINISHED 4 - -/* Fatal Error, CmdError, and DebugFlags */ -#define CPIA_FLAG 1 -#define SYSTEM_FLAG 2 -#define INT_CTRL_FLAG 4 -#define PROCESS_FLAG 8 -#define COM_FLAG 16 -#define VP_CTRL_FLAG 32 -#define CAPTURE_FLAG 64 -#define DEBUG_FLAG 128 - -/* VPStatus */ -#define VP_STATE_OK 0x00 - -#define VP_STATE_FAILED_VIDEOINIT 0x01 -#define VP_STATE_FAILED_AECACBINIT 0x02 -#define VP_STATE_AEC_MAX 0x04 -#define VP_STATE_ACB_BMAX 0x08 - -#define VP_STATE_ACB_RMIN 0x10 -#define VP_STATE_ACB_GMIN 0x20 -#define VP_STATE_ACB_RMAX 0x40 -#define VP_STATE_ACB_GMAX 0x80 - -/* default (minimum) compensation values */ -#define COMP_RED 220 -#define COMP_GREEN1 214 -#define COMP_GREEN2 COMP_GREEN1 -#define COMP_BLUE 230 - -/* exposure status */ -#define EXPOSURE_VERY_LIGHT 0 -#define EXPOSURE_LIGHT 1 -#define EXPOSURE_NORMAL 2 -#define EXPOSURE_DARK 3 -#define EXPOSURE_VERY_DARK 4 - -/* ErrorCode */ -#define ERROR_FLICKER_BELOW_MIN_EXP 0x01 /*flicker exposure got below minimum exposure */ -#define ALOG(fmt,args...) printk(fmt, ##args) -#define LOG(fmt,args...) ALOG(KERN_INFO __FILE__ ":%s(%d):" fmt, __func__ , __LINE__ , ##args) - -#ifdef _CPIA_DEBUG_ -#define ADBG(fmt,args...) printk(fmt, jiffies, ##args) -#define DBG(fmt,args...) ADBG(KERN_DEBUG __FILE__" (%ld):%s(%d):" fmt, __func__, __LINE__ , ##args) -#else -#define DBG(fmn,args...) do {} while(0) -#endif - -#define DEB_BYTE(p)\ - DBG("%1d %1d %1d %1d %1d %1d %1d %1d \n",\ - (p)&0x80?1:0, (p)&0x40?1:0, (p)&0x20?1:0, (p)&0x10?1:0,\ - (p)&0x08?1:0, (p)&0x04?1:0, (p)&0x02?1:0, (p)&0x01?1:0); - -#endif /* __KERNEL__ */ - -#endif /* cpia_h */ diff --git a/drivers/staging/cpia/cpia_pp.c b/drivers/staging/cpia/cpia_pp.c deleted file mode 100644 index f5604c16a092..000000000000 --- a/drivers/staging/cpia/cpia_pp.c +++ /dev/null @@ -1,869 +0,0 @@ -/* - * cpia_pp CPiA Parallel Port driver - * - * Supports CPiA based parallel port Video Camera's. - * - * (C) Copyright 1999 Bas Huisman <bhuism@cs.utwente.nl> - * (C) Copyright 1999-2000 Scott J. Bertin <sbertin@securenym.net>, - * (C) Copyright 1999-2000 Peter Pregler <Peter_Pregler@email.com> - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -/* define _CPIA_DEBUG_ for verbose debug output (see cpia.h) */ -/* #define _CPIA_DEBUG_ 1 */ - - -#include <linux/module.h> -#include <linux/init.h> - -#include <linux/kernel.h> -#include <linux/parport.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <linux/workqueue.h> -#include <linux/sched.h> -#include <linux/slab.h> - -#include <linux/kmod.h> - -/* #define _CPIA_DEBUG_ define for verbose debug output */ -#include "cpia.h" - -static int cpia_pp_open(void *privdata); -static int cpia_pp_registerCallback(void *privdata, void (*cb) (void *cbdata), - void *cbdata); -static int cpia_pp_transferCmd(void *privdata, u8 *command, u8 *data); -static int cpia_pp_streamStart(void *privdata); -static int cpia_pp_streamStop(void *privdata); -static int cpia_pp_streamRead(void *privdata, u8 *buffer, int noblock); -static int cpia_pp_close(void *privdata); - - -#define ABOUT "Parallel port driver for Vision CPiA based cameras" - -#define PACKET_LENGTH 8 - -/* Magic numbers for defining port-device mappings */ -#define PPCPIA_PARPORT_UNSPEC -4 -#define PPCPIA_PARPORT_AUTO -3 -#define PPCPIA_PARPORT_OFF -2 -#define PPCPIA_PARPORT_NONE -1 - -static int parport_nr[PARPORT_MAX] = {[0 ... PARPORT_MAX - 1] = PPCPIA_PARPORT_UNSPEC}; -static char *parport[PARPORT_MAX] = {NULL,}; - -MODULE_AUTHOR("B. Huisman <bhuism@cs.utwente.nl> & Peter Pregler <Peter_Pregler@email.com>"); -MODULE_DESCRIPTION("Parallel port driver for Vision CPiA based cameras"); -MODULE_LICENSE("GPL"); - -module_param_array(parport, charp, NULL, 0); -MODULE_PARM_DESC(parport, "'auto' or a list of parallel port numbers. Just like lp."); - -struct pp_cam_entry { - struct pardevice *pdev; - struct parport *port; - struct work_struct cb_task; - void (*cb_func)(void *cbdata); - void *cb_data; - int open_count; - wait_queue_head_t wq_stream; - /* image state flags */ - int image_ready; /* we got an interrupt */ - int image_complete; /* we have seen 4 EOI */ - - int streaming; /* we are in streaming mode */ - int stream_irq; -}; - -static struct cpia_camera_ops cpia_pp_ops = -{ - cpia_pp_open, - cpia_pp_registerCallback, - cpia_pp_transferCmd, - cpia_pp_streamStart, - cpia_pp_streamStop, - cpia_pp_streamRead, - cpia_pp_close, - 1, - THIS_MODULE -}; - -static LIST_HEAD(cam_list); -static spinlock_t cam_list_lock_pp; - -/* FIXME */ -static void cpia_parport_enable_irq( struct parport *port ) { - parport_enable_irq(port); - mdelay(10); - return; -} - -static void cpia_parport_disable_irq( struct parport *port ) { - parport_disable_irq(port); - mdelay(10); - return; -} - -/* Special CPiA PPC modes: These are invoked by using the 1284 Extensibility - * Link Flag during negotiation */ -#define UPLOAD_FLAG 0x08 -#define NIBBLE_TRANSFER 0x01 -#define ECP_TRANSFER 0x03 - -#define PARPORT_CHUNK_SIZE PAGE_SIZE - - -static void cpia_pp_run_callback(struct work_struct *work) -{ - void (*cb_func)(void *cbdata); - void *cb_data; - struct pp_cam_entry *cam; - - cam = container_of(work, struct pp_cam_entry, cb_task); - cb_func = cam->cb_func; - cb_data = cam->cb_data; - - cb_func(cb_data); -} - -/**************************************************************************** - * - * CPiA-specific low-level parport functions for nibble uploads - * - ***************************************************************************/ -/* CPiA nonstandard "Nibble" mode (no nDataAvail signal after each byte). */ -/* The standard kernel parport_ieee1284_read_nibble() fails with the CPiA... */ - -static size_t cpia_read_nibble (struct parport *port, - void *buffer, size_t len, - int flags) -{ - /* adapted verbatim, with one change, from - parport_ieee1284_read_nibble() in drivers/parport/ieee1284-ops.c */ - - unsigned char *buf = buffer; - int i; - unsigned char byte = 0; - - len *= 2; /* in nibbles */ - for (i=0; i < len; i++) { - unsigned char nibble; - - /* The CPiA firmware suppresses the use of nDataAvail (nFault LO) - * after every second nibble to signal that more - * data is available. (the total number of Bytes that - * should be sent is known; if too few are received, an error - * will be recorded after a timeout). - * This is incompatible with parport_ieee1284_read_nibble(), - * which expects to find nFault LO after every second nibble. - */ - - /* Solution: modify cpia_read_nibble to only check for - * nDataAvail before the first nibble is sent. - */ - - /* Does the error line indicate end of data? */ - if (((i /*& 1*/) == 0) && - (parport_read_status(port) & PARPORT_STATUS_ERROR)) { - DBG("%s: No more nibble data (%d bytes)\n", - port->name, i/2); - goto end_of_data; - } - - /* Event 7: Set nAutoFd low. */ - parport_frob_control (port, - PARPORT_CONTROL_AUTOFD, - PARPORT_CONTROL_AUTOFD); - - /* Event 9: nAck goes low. */ - port->ieee1284.phase = IEEE1284_PH_REV_DATA; - if (parport_wait_peripheral (port, - PARPORT_STATUS_ACK, 0)) { - /* Timeout -- no more data? */ - DBG("%s: Nibble timeout at event 9 (%d bytes)\n", - port->name, i/2); - parport_frob_control (port, PARPORT_CONTROL_AUTOFD, 0); - break; - } - - - /* Read a nibble. */ - nibble = parport_read_status (port) >> 3; - nibble &= ~8; - if ((nibble & 0x10) == 0) - nibble |= 8; - nibble &= 0xf; - - /* Event 10: Set nAutoFd high. */ - parport_frob_control (port, PARPORT_CONTROL_AUTOFD, 0); - - /* Event 11: nAck goes high. */ - if (parport_wait_peripheral (port, - PARPORT_STATUS_ACK, - PARPORT_STATUS_ACK)) { - /* Timeout -- no more data? */ - DBG("%s: Nibble timeout at event 11\n", - port->name); - break; - } - - if (i & 1) { - /* Second nibble */ - byte |= nibble << 4; - *buf++ = byte; - } else - byte = nibble; - } - - if (i == len) { - /* Read the last nibble without checking data avail. */ - if (parport_read_status (port) & PARPORT_STATUS_ERROR) { - end_of_data: - /* Go to reverse idle phase. */ - parport_frob_control (port, - PARPORT_CONTROL_AUTOFD, - PARPORT_CONTROL_AUTOFD); - port->physport->ieee1284.phase = IEEE1284_PH_REV_IDLE; - } - else - port->physport->ieee1284.phase = IEEE1284_PH_HBUSY_DAVAIL; - } - - return i/2; -} - -/* CPiA nonstandard "Nibble Stream" mode (2 nibbles per cycle, instead of 1) - * (See CPiA Data sheet p. 31) - * - * "Nibble Stream" mode used by CPiA for uploads to non-ECP ports is a - * nonstandard variant of nibble mode which allows the same (mediocre) - * data flow of 8 bits per cycle as software-enabled ECP by TRISTATE-capable - * parallel ports, but works also for non-TRISTATE-capable ports. - * (Standard nibble mode only send 4 bits per cycle) - * - */ - -static size_t cpia_read_nibble_stream(struct parport *port, - void *buffer, size_t len, - int flags) -{ - int i; - unsigned char *buf = buffer; - int endseen = 0; - - for (i=0; i < len; i++) { - unsigned char nibble[2], byte = 0; - int j; - - /* Image Data is complete when 4 consecutive EOI bytes (0xff) are seen */ - if (endseen > 3 ) - break; - - /* Event 7: Set nAutoFd low. */ - parport_frob_control (port, - PARPORT_CONTROL_AUTOFD, - PARPORT_CONTROL_AUTOFD); - - /* Event 9: nAck goes low. */ - port->ieee1284.phase = IEEE1284_PH_REV_DATA; - if (parport_wait_peripheral (port, - PARPORT_STATUS_ACK, 0)) { - /* Timeout -- no more data? */ - DBG("%s: Nibble timeout at event 9 (%d bytes)\n", - port->name, i/2); - parport_frob_control (port, PARPORT_CONTROL_AUTOFD, 0); - break; - } - - /* Read lower nibble */ - nibble[0] = parport_read_status (port) >>3; - - /* Event 10: Set nAutoFd high. */ - parport_frob_control (port, PARPORT_CONTROL_AUTOFD, 0); - - /* Event 11: nAck goes high. */ - if (parport_wait_peripheral (port, - PARPORT_STATUS_ACK, - PARPORT_STATUS_ACK)) { - /* Timeout -- no more data? */ - DBG("%s: Nibble timeout at event 11\n", - port->name); - break; - } - - /* Read upper nibble */ - nibble[1] = parport_read_status (port) >>3; - - /* reassemble the byte */ - for (j = 0; j < 2 ; j++ ) { - nibble[j] &= ~8; - if ((nibble[j] & 0x10) == 0) - nibble[j] |= 8; - nibble[j] &= 0xf; - } - byte = (nibble[0] |(nibble[1] << 4)); - *buf++ = byte; - - if(byte == EOI) - endseen++; - else - endseen = 0; - } - return i; -} - -/**************************************************************************** - * - * EndTransferMode - * - ***************************************************************************/ -static void EndTransferMode(struct pp_cam_entry *cam) -{ - parport_negotiate(cam->port, IEEE1284_MODE_COMPAT); -} - -/**************************************************************************** - * - * ForwardSetup - * - ***************************************************************************/ -static int ForwardSetup(struct pp_cam_entry *cam) -{ - int retry; - - /* The CPiA uses ECP protocol for Downloads from the Host to the camera. - * This will be software-emulated if ECP hardware is not present - */ - - /* the usual camera maximum response time is 10ms, but after receiving - * some commands, it needs up to 40ms. (Data Sheet p. 32)*/ - - for(retry = 0; retry < 4; ++retry) { - if(!parport_negotiate(cam->port, IEEE1284_MODE_ECP)) { - break; - } - mdelay(10); - } - if(retry == 4) { - DBG("Unable to negotiate IEEE1284 ECP Download mode\n"); - return -1; - } - return 0; -} -/**************************************************************************** - * - * ReverseSetup - * - ***************************************************************************/ -static int ReverseSetup(struct pp_cam_entry *cam, int extensibility) -{ - int retry; - int upload_mode, mode = IEEE1284_MODE_ECP; - int transfer_mode = ECP_TRANSFER; - - if (!(cam->port->modes & PARPORT_MODE_ECP) && - !(cam->port->modes & PARPORT_MODE_TRISTATE)) { - mode = IEEE1284_MODE_NIBBLE; - transfer_mode = NIBBLE_TRANSFER; - } - - upload_mode = mode; - if(extensibility) mode = UPLOAD_FLAG|transfer_mode|IEEE1284_EXT_LINK; - - /* the usual camera maximum response time is 10ms, but after - * receiving some commands, it needs up to 40ms. */ - - for(retry = 0; retry < 4; ++retry) { - if(!parport_negotiate(cam->port, mode)) { - break; - } - mdelay(10); - } - if(retry == 4) { - if(extensibility) - DBG("Unable to negotiate upload extensibility mode\n"); - else - DBG("Unable to negotiate upload mode\n"); - return -1; - } - if(extensibility) cam->port->ieee1284.mode = upload_mode; - return 0; -} - -/**************************************************************************** - * - * WritePacket - * - ***************************************************************************/ -static int WritePacket(struct pp_cam_entry *cam, const u8 *packet, size_t size) -{ - int retval=0; - int size_written; - - if (packet == NULL) { - return -EINVAL; - } - if (ForwardSetup(cam)) { - DBG("Write failed in setup\n"); - return -EIO; - } - size_written = parport_write(cam->port, packet, size); - if(size_written != size) { - DBG("Write failed, wrote %d/%d\n", size_written, size); - retval = -EIO; - } - EndTransferMode(cam); - return retval; -} - -/**************************************************************************** - * - * ReadPacket - * - ***************************************************************************/ -static int ReadPacket(struct pp_cam_entry *cam, u8 *packet, size_t size) -{ - int retval=0; - - if (packet == NULL) { - return -EINVAL; - } - if (ReverseSetup(cam, 0)) { - return -EIO; - } - - /* support for CPiA variant nibble reads */ - if(cam->port->ieee1284.mode == IEEE1284_MODE_NIBBLE) { - if(cpia_read_nibble(cam->port, packet, size, 0) != size) - retval = -EIO; - } else { - if(parport_read(cam->port, packet, size) != size) - retval = -EIO; - } - EndTransferMode(cam); - return retval; -} - -/**************************************************************************** - * - * cpia_pp_streamStart - * - ***************************************************************************/ -static int cpia_pp_streamStart(void *privdata) -{ - struct pp_cam_entry *cam = privdata; - DBG("\n"); - cam->streaming=1; - cam->image_ready=0; - //if (ReverseSetup(cam,1)) return -EIO; - if(cam->stream_irq) cpia_parport_enable_irq(cam->port); - return 0; -} - -/**************************************************************************** - * - * cpia_pp_streamStop - * - ***************************************************************************/ -static int cpia_pp_streamStop(void *privdata) -{ - struct pp_cam_entry *cam = privdata; - - DBG("\n"); - cam->streaming=0; - cpia_parport_disable_irq(cam->port); - //EndTransferMode(cam); - - return 0; -} - -/**************************************************************************** - * - * cpia_pp_streamRead - * - ***************************************************************************/ -static int cpia_pp_read(struct parport *port, u8 *buffer, int len) -{ - int bytes_read; - - /* support for CPiA variant "nibble stream" reads */ - if(port->ieee1284.mode == IEEE1284_MODE_NIBBLE) - bytes_read = cpia_read_nibble_stream(port,buffer,len,0); - else { - int new_bytes; - for(bytes_read=0; bytes_read<len; bytes_read += new_bytes) { - new_bytes = parport_read(port, buffer+bytes_read, - len-bytes_read); - if(new_bytes < 0) break; - } - } - return bytes_read; -} - -static int cpia_pp_streamRead(void *privdata, u8 *buffer, int noblock) -{ - struct pp_cam_entry *cam = privdata; - int read_bytes = 0; - int i, endseen, block_size, new_bytes; - - if(cam == NULL) { - DBG("Internal driver error: cam is NULL\n"); - return -EINVAL; - } - if(buffer == NULL) { - DBG("Internal driver error: buffer is NULL\n"); - return -EINVAL; - } - //if(cam->streaming) DBG("%d / %d\n", cam->image_ready, noblock); - if( cam->stream_irq ) { - DBG("%d\n", cam->image_ready); - cam->image_ready--; - } - cam->image_complete=0; - if (0/*cam->streaming*/) { - if(!cam->image_ready) { - if(noblock) return -EWOULDBLOCK; - interruptible_sleep_on(&cam->wq_stream); - if( signal_pending(current) ) return -EINTR; - DBG("%d\n", cam->image_ready); - } - } else { - if (ReverseSetup(cam, 1)) { - DBG("unable to ReverseSetup\n"); - return -EIO; - } - } - endseen = 0; - block_size = PARPORT_CHUNK_SIZE; - while( !cam->image_complete ) { - cond_resched(); - - new_bytes = cpia_pp_read(cam->port, buffer, block_size ); - if( new_bytes <= 0 ) { - break; - } - i=-1; - while(++i<new_bytes && endseen<4) { - if(*buffer==EOI) { - endseen++; - } else { - endseen=0; - } - buffer++; - } - read_bytes += i; - if( endseen==4 ) { - cam->image_complete=1; - break; - } - if( CPIA_MAX_IMAGE_SIZE-read_bytes <= PARPORT_CHUNK_SIZE ) { - block_size=CPIA_MAX_IMAGE_SIZE-read_bytes; - } - } - EndTransferMode(cam); - return cam->image_complete ? read_bytes : -EIO; -} -/**************************************************************************** - * - * cpia_pp_transferCmd - * - ***************************************************************************/ -static int cpia_pp_transferCmd(void *privdata, u8 *command, u8 *data) -{ - int err; - int retval=0; - int databytes; - struct pp_cam_entry *cam = privdata; - - if(cam == NULL) { - DBG("Internal driver error: cam is NULL\n"); - return -EINVAL; - } - if(command == NULL) { - DBG("Internal driver error: command is NULL\n"); - return -EINVAL; - } - databytes = (((int)command[7])<<8) | command[6]; - if ((err = WritePacket(cam, command, PACKET_LENGTH)) < 0) { - DBG("Error writing command\n"); - return err; - } - if(command[0] == DATA_IN) { - u8 buffer[8]; - if(data == NULL) { - DBG("Internal driver error: data is NULL\n"); - return -EINVAL; - } - if((err = ReadPacket(cam, buffer, 8)) < 0) { - DBG("Error reading command result\n"); - return err; - } - memcpy(data, buffer, databytes); - } else if(command[0] == DATA_OUT) { - if(databytes > 0) { - if(data == NULL) { - DBG("Internal driver error: data is NULL\n"); - retval = -EINVAL; - } else { - if((err=WritePacket(cam, data, databytes)) < 0){ - DBG("Error writing command data\n"); - return err; - } - } - } - } else { - DBG("Unexpected first byte of command: %x\n", command[0]); - retval = -EINVAL; - } - return retval; -} - -/**************************************************************************** - * - * cpia_pp_open - * - ***************************************************************************/ -static int cpia_pp_open(void *privdata) -{ - struct pp_cam_entry *cam = (struct pp_cam_entry *)privdata; - - if (cam == NULL) - return -EINVAL; - - if(cam->open_count == 0) { - if (parport_claim(cam->pdev)) { - DBG("failed to claim the port\n"); - return -EBUSY; - } - parport_negotiate(cam->port, IEEE1284_MODE_COMPAT); - parport_data_forward(cam->port); - parport_write_control(cam->port, PARPORT_CONTROL_SELECT); - udelay(50); - parport_write_control(cam->port, - PARPORT_CONTROL_SELECT - | PARPORT_CONTROL_INIT); - } - - ++cam->open_count; - - return 0; -} - -/**************************************************************************** - * - * cpia_pp_registerCallback - * - ***************************************************************************/ -static int cpia_pp_registerCallback(void *privdata, void (*cb)(void *cbdata), void *cbdata) -{ - struct pp_cam_entry *cam = privdata; - int retval = 0; - - if(cam->port->irq != PARPORT_IRQ_NONE) { - cam->cb_func = cb; - cam->cb_data = cbdata; - INIT_WORK(&cam->cb_task, cpia_pp_run_callback); - } else { - retval = -1; - } - return retval; -} - -/**************************************************************************** - * - * cpia_pp_close - * - ***************************************************************************/ -static int cpia_pp_close(void *privdata) -{ - struct pp_cam_entry *cam = privdata; - if (--cam->open_count == 0) { - parport_release(cam->pdev); - } - return 0; -} - -/**************************************************************************** - * - * cpia_pp_register - * - ***************************************************************************/ -static int cpia_pp_register(struct parport *port) -{ - struct pardevice *pdev = NULL; - struct pp_cam_entry *cam; - struct cam_data *cpia; - - if (!(port->modes & PARPORT_MODE_PCSPP)) { - LOG("port is not supported by CPiA driver\n"); - return -ENXIO; - } - - cam = kzalloc(sizeof(struct pp_cam_entry), GFP_KERNEL); - if (cam == NULL) { - LOG("failed to allocate camera structure\n"); - return -ENOMEM; - } - - pdev = parport_register_device(port, "cpia_pp", NULL, NULL, - NULL, 0, cam); - - if (!pdev) { - LOG("failed to parport_register_device\n"); - kfree(cam); - return -ENXIO; - } - - cam->pdev = pdev; - cam->port = port; - init_waitqueue_head(&cam->wq_stream); - - cam->streaming = 0; - cam->stream_irq = 0; - - if((cpia = cpia_register_camera(&cpia_pp_ops, cam)) == NULL) { - LOG("failed to cpia_register_camera\n"); - parport_unregister_device(pdev); - kfree(cam); - return -ENXIO; - } - spin_lock( &cam_list_lock_pp ); - list_add( &cpia->cam_data_list, &cam_list ); - spin_unlock( &cam_list_lock_pp ); - - return 0; -} - -static void cpia_pp_detach (struct parport *port) -{ - struct list_head *tmp; - struct cam_data *cpia = NULL; - struct pp_cam_entry *cam; - - spin_lock( &cam_list_lock_pp ); - list_for_each (tmp, &cam_list) { - cpia = list_entry(tmp, struct cam_data, cam_data_list); - cam = (struct pp_cam_entry *) cpia->lowlevel_data; - if (cam && cam->port->number == port->number) { - list_del(&cpia->cam_data_list); - break; - } - cpia = NULL; - } - spin_unlock( &cam_list_lock_pp ); - - if (!cpia) { - DBG("cpia_pp_detach failed to find cam_data in cam_list\n"); - return; - } - - cam = (struct pp_cam_entry *) cpia->lowlevel_data; - cpia_unregister_camera(cpia); - if(cam->open_count > 0) - cpia_pp_close(cam); - parport_unregister_device(cam->pdev); - cpia->lowlevel_data = NULL; - kfree(cam); -} - -static void cpia_pp_attach (struct parport *port) -{ - unsigned int i; - - switch (parport_nr[0]) - { - case PPCPIA_PARPORT_UNSPEC: - case PPCPIA_PARPORT_AUTO: - if (port->probe_info[0].class != PARPORT_CLASS_MEDIA || - port->probe_info[0].cmdset == NULL || - strncmp(port->probe_info[0].cmdset, "CPIA_1", 6) != 0) - return; - - cpia_pp_register(port); - - break; - - default: - for (i = 0; i < PARPORT_MAX; ++i) { - if (port->number == parport_nr[i]) { - cpia_pp_register(port); - break; - } - } - break; - } -} - -static struct parport_driver cpia_pp_driver = { - .name = "cpia_pp", - .attach = cpia_pp_attach, - .detach = cpia_pp_detach, -}; - -static int __init cpia_pp_init(void) -{ - printk(KERN_INFO "%s v%d.%d.%d\n",ABOUT, - CPIA_PP_MAJ_VER,CPIA_PP_MIN_VER,CPIA_PP_PATCH_VER); - - if(parport_nr[0] == PPCPIA_PARPORT_OFF) { - printk(" disabled\n"); - return 0; - } - - spin_lock_init( &cam_list_lock_pp ); - - if (parport_register_driver (&cpia_pp_driver)) { - LOG ("unable to register with parport\n"); - return -EIO; - } - return 0; -} - -static int __init cpia_init(void) -{ - if (parport[0]) { - /* The user gave some parameters. Let's see what they were. */ - if (!strncmp(parport[0], "auto", 4)) { - parport_nr[0] = PPCPIA_PARPORT_AUTO; - } else { - int n; - for (n = 0; n < PARPORT_MAX && parport[n]; n++) { - if (!strncmp(parport[n], "none", 4)) { - parport_nr[n] = PPCPIA_PARPORT_NONE; - } else { - char *ep; - unsigned long r = simple_strtoul(parport[n], &ep, 0); - if (ep != parport[n]) { - parport_nr[n] = r; - } else { - LOG("bad port specifier `%s'\n", parport[n]); - return -ENODEV; - } - } - } - } - } - return cpia_pp_init(); -} - -static void __exit cpia_cleanup(void) -{ - parport_unregister_driver(&cpia_pp_driver); - return; -} - -module_init(cpia_init); -module_exit(cpia_cleanup); diff --git a/drivers/staging/cpia/cpia_usb.c b/drivers/staging/cpia/cpia_usb.c deleted file mode 100644 index 58d193ff591c..000000000000 --- a/drivers/staging/cpia/cpia_usb.c +++ /dev/null @@ -1,640 +0,0 @@ -/* - * cpia_usb CPiA USB driver - * - * Supports CPiA based parallel port Video Camera's. - * - * Copyright (C) 1999 Jochen Scharrlach <Jochen.Scharrlach@schwaben.de> - * Copyright (C) 1999, 2000 Johannes Erdfelt <johannes@erdfelt.com> - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -/* define _CPIA_DEBUG_ for verbose debug output (see cpia.h) */ -/* #define _CPIA_DEBUG_ 1 */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/wait.h> -#include <linux/list.h> -#include <linux/slab.h> -#include <linux/vmalloc.h> -#include <linux/usb.h> - -#include "cpia.h" - -#define USB_REQ_CPIA_GRAB_FRAME 0xC1 -#define USB_REQ_CPIA_UPLOAD_FRAME 0xC2 -#define WAIT_FOR_NEXT_FRAME 0 -#define FORCE_FRAME_UPLOAD 1 - -#define FRAMES_PER_DESC 10 -#define FRAME_SIZE_PER_DESC 960 /* Shouldn't be hardcoded */ -#define CPIA_NUMSBUF 2 -#define STREAM_BUF_SIZE (PAGE_SIZE * 4) -#define SCRATCH_BUF_SIZE (STREAM_BUF_SIZE * 2) - -struct cpia_sbuf { - char *data; - struct urb *urb; -}; - -#define FRAMEBUF_LEN (CPIA_MAX_FRAME_SIZE+100) -enum framebuf_status { - FRAME_EMPTY, - FRAME_READING, - FRAME_READY, - FRAME_ERROR, -}; - -struct framebuf { - int length; - enum framebuf_status status; - u8 data[FRAMEBUF_LEN]; - struct framebuf *next; -}; - -struct usb_cpia { - /* Device structure */ - struct usb_device *dev; - - unsigned char iface; - wait_queue_head_t wq_stream; - - int cursbuf; /* Current receiving sbuf */ - struct cpia_sbuf sbuf[CPIA_NUMSBUF]; /* Double buffering */ - - int streaming; - int open; - int present; - struct framebuf *buffers[3]; - struct framebuf *curbuff, *workbuff; -}; - -static int cpia_usb_open(void *privdata); -static int cpia_usb_registerCallback(void *privdata, void (*cb) (void *cbdata), - void *cbdata); -static int cpia_usb_transferCmd(void *privdata, u8 *command, u8 *data); -static int cpia_usb_streamStart(void *privdata); -static int cpia_usb_streamStop(void *privdata); -static int cpia_usb_streamRead(void *privdata, u8 *frame, int noblock); -static int cpia_usb_close(void *privdata); - -#define ABOUT "USB driver for Vision CPiA based cameras" - -static struct cpia_camera_ops cpia_usb_ops = { - cpia_usb_open, - cpia_usb_registerCallback, - cpia_usb_transferCmd, - cpia_usb_streamStart, - cpia_usb_streamStop, - cpia_usb_streamRead, - cpia_usb_close, - 0, - THIS_MODULE -}; - -static LIST_HEAD(cam_list); -static spinlock_t cam_list_lock_usb; - -static void cpia_usb_complete(struct urb *urb) -{ - int i; - char *cdata; - struct usb_cpia *ucpia; - - if (!urb || !urb->context) - return; - - ucpia = (struct usb_cpia *) urb->context; - - if (!ucpia->dev || !ucpia->streaming || !ucpia->present || !ucpia->open) - return; - - if (ucpia->workbuff->status == FRAME_EMPTY) { - ucpia->workbuff->status = FRAME_READING; - ucpia->workbuff->length = 0; - } - - for (i = 0; i < urb->number_of_packets; i++) { - int n = urb->iso_frame_desc[i].actual_length; - int st = urb->iso_frame_desc[i].status; - - cdata = urb->transfer_buffer + urb->iso_frame_desc[i].offset; - - if (st) - printk(KERN_DEBUG "cpia data error: [%d] len=%d, status=%X\n", i, n, st); - - if (FRAMEBUF_LEN < ucpia->workbuff->length + n) { - printk(KERN_DEBUG "cpia: scratch buf overflow!scr_len: %d, n: %d\n", ucpia->workbuff->length, n); - return; - } - - if (n) { - if ((ucpia->workbuff->length > 0) || - (0x19 == cdata[0] && 0x68 == cdata[1])) { - memcpy(ucpia->workbuff->data + ucpia->workbuff->length, cdata, n); - ucpia->workbuff->length += n; - } else - DBG("Ignoring packet!\n"); - } else { - if (ucpia->workbuff->length > 4 && - 0xff == ucpia->workbuff->data[ucpia->workbuff->length-1] && - 0xff == ucpia->workbuff->data[ucpia->workbuff->length-2] && - 0xff == ucpia->workbuff->data[ucpia->workbuff->length-3] && - 0xff == ucpia->workbuff->data[ucpia->workbuff->length-4]) { - ucpia->workbuff->status = FRAME_READY; - ucpia->curbuff = ucpia->workbuff; - ucpia->workbuff = ucpia->workbuff->next; - ucpia->workbuff->status = FRAME_EMPTY; - ucpia->workbuff->length = 0; - - if (waitqueue_active(&ucpia->wq_stream)) - wake_up_interruptible(&ucpia->wq_stream); - } - } - } - - /* resubmit */ - urb->dev = ucpia->dev; - if ((i = usb_submit_urb(urb, GFP_ATOMIC)) != 0) - printk(KERN_ERR "%s: usb_submit_urb ret %d\n", __func__, i); -} - -static int cpia_usb_open(void *privdata) -{ - struct usb_cpia *ucpia = (struct usb_cpia *) privdata; - struct urb *urb; - int ret, retval = 0, fx, err; - - if (!ucpia) - return -EINVAL; - - ucpia->sbuf[0].data = kmalloc(FRAMES_PER_DESC * FRAME_SIZE_PER_DESC, GFP_KERNEL); - if (!ucpia->sbuf[0].data) - return -EINVAL; - - ucpia->sbuf[1].data = kmalloc(FRAMES_PER_DESC * FRAME_SIZE_PER_DESC, GFP_KERNEL); - if (!ucpia->sbuf[1].data) { - retval = -EINVAL; - goto error_0; - } - - ret = usb_set_interface(ucpia->dev, ucpia->iface, 3); - if (ret < 0) { - printk(KERN_ERR "cpia_usb_open: usb_set_interface error (ret = %d)\n", ret); - retval = -EBUSY; - goto error_1; - } - - ucpia->buffers[0]->status = FRAME_EMPTY; - ucpia->buffers[0]->length = 0; - ucpia->buffers[1]->status = FRAME_EMPTY; - ucpia->buffers[1]->length = 0; - ucpia->buffers[2]->status = FRAME_EMPTY; - ucpia->buffers[2]->length = 0; - ucpia->curbuff = ucpia->buffers[0]; - ucpia->workbuff = ucpia->buffers[1]; - - /* We double buffer the Iso lists, and also know the polling - * interval is every frame (1 == (1 << (bInterval -1))). - */ - urb = usb_alloc_urb(FRAMES_PER_DESC, GFP_KERNEL); - if (!urb) { - printk(KERN_ERR "cpia_init_isoc: usb_alloc_urb 0\n"); - retval = -ENOMEM; - goto error_1; - } - - ucpia->sbuf[0].urb = urb; - urb->dev = ucpia->dev; - urb->context = ucpia; - urb->pipe = usb_rcvisocpipe(ucpia->dev, 1); - urb->transfer_flags = URB_ISO_ASAP; - urb->transfer_buffer = ucpia->sbuf[0].data; - urb->complete = cpia_usb_complete; - urb->number_of_packets = FRAMES_PER_DESC; - urb->interval = 1; - urb->transfer_buffer_length = FRAME_SIZE_PER_DESC * FRAMES_PER_DESC; - for (fx = 0; fx < FRAMES_PER_DESC; fx++) { - urb->iso_frame_desc[fx].offset = FRAME_SIZE_PER_DESC * fx; - urb->iso_frame_desc[fx].length = FRAME_SIZE_PER_DESC; - } - - urb = usb_alloc_urb(FRAMES_PER_DESC, GFP_KERNEL); - if (!urb) { - printk(KERN_ERR "cpia_init_isoc: usb_alloc_urb 1\n"); - retval = -ENOMEM; - goto error_urb0; - } - - ucpia->sbuf[1].urb = urb; - urb->dev = ucpia->dev; - urb->context = ucpia; - urb->pipe = usb_rcvisocpipe(ucpia->dev, 1); - urb->transfer_flags = URB_ISO_ASAP; - urb->transfer_buffer = ucpia->sbuf[1].data; - urb->complete = cpia_usb_complete; - urb->number_of_packets = FRAMES_PER_DESC; - urb->interval = 1; - urb->transfer_buffer_length = FRAME_SIZE_PER_DESC * FRAMES_PER_DESC; - for (fx = 0; fx < FRAMES_PER_DESC; fx++) { - urb->iso_frame_desc[fx].offset = FRAME_SIZE_PER_DESC * fx; - urb->iso_frame_desc[fx].length = FRAME_SIZE_PER_DESC; - } - - /* queue the ISO urbs, and resubmit in the completion handler */ - err = usb_submit_urb(ucpia->sbuf[0].urb, GFP_KERNEL); - if (err) { - printk(KERN_ERR "cpia_init_isoc: usb_submit_urb 0 ret %d\n", - err); - goto error_urb1; - } - err = usb_submit_urb(ucpia->sbuf[1].urb, GFP_KERNEL); - if (err) { - printk(KERN_ERR "cpia_init_isoc: usb_submit_urb 1 ret %d\n", - err); - goto error_urb1; - } - - ucpia->streaming = 1; - ucpia->open = 1; - - return 0; - -error_urb1: /* free urb 1 */ - usb_free_urb(ucpia->sbuf[1].urb); - ucpia->sbuf[1].urb = NULL; -error_urb0: /* free urb 0 */ - usb_free_urb(ucpia->sbuf[0].urb); - ucpia->sbuf[0].urb = NULL; -error_1: - kfree (ucpia->sbuf[1].data); - ucpia->sbuf[1].data = NULL; -error_0: - kfree (ucpia->sbuf[0].data); - ucpia->sbuf[0].data = NULL; - - return retval; -} - -// -// convenience functions -// - -/**************************************************************************** - * - * WritePacket - * - ***************************************************************************/ -static int WritePacket(struct usb_device *udev, const u8 *packet, u8 *buf, size_t size) -{ - if (!packet) - return -EINVAL; - - return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), - packet[1] + (packet[0] << 8), - USB_TYPE_VENDOR | USB_RECIP_DEVICE, - packet[2] + (packet[3] << 8), - packet[4] + (packet[5] << 8), buf, size, 1000); -} - -/**************************************************************************** - * - * ReadPacket - * - ***************************************************************************/ -static int ReadPacket(struct usb_device *udev, u8 *packet, u8 *buf, size_t size) -{ - if (!packet || size <= 0) - return -EINVAL; - - return usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), - packet[1] + (packet[0] << 8), - USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - packet[2] + (packet[3] << 8), - packet[4] + (packet[5] << 8), buf, size, 1000); -} - -static int cpia_usb_transferCmd(void *privdata, u8 *command, u8 *data) -{ - int err = 0; - int databytes; - struct usb_cpia *ucpia = (struct usb_cpia *)privdata; - struct usb_device *udev = ucpia->dev; - - if (!udev) { - DBG("Internal driver error: udev is NULL\n"); - return -EINVAL; - } - - if (!command) { - DBG("Internal driver error: command is NULL\n"); - return -EINVAL; - } - - databytes = (((int)command[7])<<8) | command[6]; - - if (command[0] == DATA_IN) { - u8 buffer[8]; - - if (!data) { - DBG("Internal driver error: data is NULL\n"); - return -EINVAL; - } - - err = ReadPacket(udev, command, buffer, 8); - if (err < 0) - return err; - - memcpy(data, buffer, databytes); - } else if(command[0] == DATA_OUT) - WritePacket(udev, command, data, databytes); - else { - DBG("Unexpected first byte of command: %x\n", command[0]); - err = -EINVAL; - } - - return 0; -} - -static int cpia_usb_registerCallback(void *privdata, void (*cb) (void *cbdata), - void *cbdata) -{ - return -ENODEV; -} - -static int cpia_usb_streamStart(void *privdata) -{ - return -ENODEV; -} - -static int cpia_usb_streamStop(void *privdata) -{ - return -ENODEV; -} - -static int cpia_usb_streamRead(void *privdata, u8 *frame, int noblock) -{ - struct usb_cpia *ucpia = (struct usb_cpia *) privdata; - struct framebuf *mybuff; - - if (!ucpia || !ucpia->present) - return -1; - - if (ucpia->curbuff->status != FRAME_READY) - interruptible_sleep_on(&ucpia->wq_stream); - else - DBG("Frame already waiting!\n"); - - mybuff = ucpia->curbuff; - - if (!mybuff) - return -1; - - if (mybuff->status != FRAME_READY || mybuff->length < 4) { - DBG("Something went wrong!\n"); - return -1; - } - - memcpy(frame, mybuff->data, mybuff->length); - mybuff->status = FRAME_EMPTY; - -/* DBG("read done, %d bytes, Header: %x/%x, Footer: %x%x%x%x\n", */ -/* mybuff->length, frame[0], frame[1], */ -/* frame[mybuff->length-4], frame[mybuff->length-3], */ -/* frame[mybuff->length-2], frame[mybuff->length-1]); */ - - return mybuff->length; -} - -static void cpia_usb_free_resources(struct usb_cpia *ucpia, int try) -{ - if (!ucpia->streaming) - return; - - ucpia->streaming = 0; - - /* Set packet size to 0 */ - if (try) { - int ret; - - ret = usb_set_interface(ucpia->dev, ucpia->iface, 0); - if (ret < 0) { - printk(KERN_ERR "usb_set_interface error (ret = %d)\n", ret); - return; - } - } - - /* Unschedule all of the iso td's */ - if (ucpia->sbuf[1].urb) { - usb_kill_urb(ucpia->sbuf[1].urb); - usb_free_urb(ucpia->sbuf[1].urb); - ucpia->sbuf[1].urb = NULL; - } - - kfree(ucpia->sbuf[1].data); - ucpia->sbuf[1].data = NULL; - - if (ucpia->sbuf[0].urb) { - usb_kill_urb(ucpia->sbuf[0].urb); - usb_free_urb(ucpia->sbuf[0].urb); - ucpia->sbuf[0].urb = NULL; - } - - kfree(ucpia->sbuf[0].data); - ucpia->sbuf[0].data = NULL; -} - -static int cpia_usb_close(void *privdata) -{ - struct usb_cpia *ucpia = (struct usb_cpia *) privdata; - - if(!ucpia) - return -ENODEV; - - ucpia->open = 0; - - /* ucpia->present = 0 protects against trying to reset the - * alt setting if camera is physically disconnected while open */ - cpia_usb_free_resources(ucpia, ucpia->present); - - return 0; -} - -/* Probing and initializing */ - -static int cpia_probe(struct usb_interface *intf, - const struct usb_device_id *id) -{ - struct usb_device *udev = interface_to_usbdev(intf); - struct usb_host_interface *interface; - struct usb_cpia *ucpia; - struct cam_data *cam; - int ret; - - /* A multi-config CPiA camera? */ - if (udev->descriptor.bNumConfigurations != 1) - return -ENODEV; - - interface = intf->cur_altsetting; - - printk(KERN_INFO "USB CPiA camera found\n"); - - ucpia = kzalloc(sizeof(*ucpia), GFP_KERNEL); - if (!ucpia) { - printk(KERN_ERR "couldn't kmalloc cpia struct\n"); - return -ENOMEM; - } - - ucpia->dev = udev; - ucpia->iface = interface->desc.bInterfaceNumber; - init_waitqueue_head(&ucpia->wq_stream); - - ucpia->buffers[0] = vmalloc(sizeof(*ucpia->buffers[0])); - if (!ucpia->buffers[0]) { - printk(KERN_ERR "couldn't vmalloc frame buffer 0\n"); - goto fail_alloc_0; - } - - ucpia->buffers[1] = vmalloc(sizeof(*ucpia->buffers[1])); - if (!ucpia->buffers[1]) { - printk(KERN_ERR "couldn't vmalloc frame buffer 1\n"); - goto fail_alloc_1; - } - - ucpia->buffers[2] = vmalloc(sizeof(*ucpia->buffers[2])); - if (!ucpia->buffers[2]) { - printk(KERN_ERR "couldn't vmalloc frame buffer 2\n"); - goto fail_alloc_2; - } - - ucpia->buffers[0]->next = ucpia->buffers[1]; - ucpia->buffers[1]->next = ucpia->buffers[2]; - ucpia->buffers[2]->next = ucpia->buffers[0]; - - ret = usb_set_interface(udev, ucpia->iface, 0); - if (ret < 0) { - printk(KERN_ERR "cpia_probe: usb_set_interface error (ret = %d)\n", ret); - /* goto fail_all; */ - } - - /* Before register_camera, important */ - ucpia->present = 1; - - cam = cpia_register_camera(&cpia_usb_ops, ucpia); - if (!cam) { - LOG("failed to cpia_register_camera\n"); - goto fail_all; - } - - spin_lock( &cam_list_lock_usb ); - list_add( &cam->cam_data_list, &cam_list ); - spin_unlock( &cam_list_lock_usb ); - - usb_set_intfdata(intf, cam); - return 0; - -fail_all: - vfree(ucpia->buffers[2]); - ucpia->buffers[2] = NULL; -fail_alloc_2: - vfree(ucpia->buffers[1]); - ucpia->buffers[1] = NULL; -fail_alloc_1: - vfree(ucpia->buffers[0]); - ucpia->buffers[0] = NULL; -fail_alloc_0: - kfree(ucpia); - return -EIO; -} - -static void cpia_disconnect(struct usb_interface *intf); - -static struct usb_device_id cpia_id_table [] = { - { USB_DEVICE(0x0553, 0x0002) }, - { USB_DEVICE(0x0813, 0x0001) }, - { } /* Terminating entry */ -}; - -MODULE_DEVICE_TABLE (usb, cpia_id_table); -MODULE_LICENSE("GPL"); - - -static struct usb_driver cpia_driver = { - .name = "cpia", - .probe = cpia_probe, - .disconnect = cpia_disconnect, - .id_table = cpia_id_table, -}; - -static void cpia_disconnect(struct usb_interface *intf) -{ - struct cam_data *cam = usb_get_intfdata(intf); - struct usb_cpia *ucpia; - - usb_set_intfdata(intf, NULL); - if (!cam) - return; - - ucpia = (struct usb_cpia *) cam->lowlevel_data; - spin_lock( &cam_list_lock_usb ); - list_del(&cam->cam_data_list); - spin_unlock( &cam_list_lock_usb ); - - ucpia->present = 0; - - cpia_unregister_camera(cam); - if(ucpia->open) - cpia_usb_close(cam->lowlevel_data); - - ucpia->curbuff->status = FRAME_ERROR; - - if (waitqueue_active(&ucpia->wq_stream)) - wake_up_interruptible(&ucpia->wq_stream); - - ucpia->curbuff = ucpia->workbuff = NULL; - - vfree(ucpia->buffers[2]); - ucpia->buffers[2] = NULL; - - vfree(ucpia->buffers[1]); - ucpia->buffers[1] = NULL; - - vfree(ucpia->buffers[0]); - ucpia->buffers[0] = NULL; - - cam->lowlevel_data = NULL; - kfree(ucpia); -} - -static int __init usb_cpia_init(void) -{ - printk(KERN_INFO "%s v%d.%d.%d\n",ABOUT, - CPIA_USB_MAJ_VER,CPIA_USB_MIN_VER,CPIA_USB_PATCH_VER); - - spin_lock_init(&cam_list_lock_usb); - return usb_register(&cpia_driver); -} - -static void __exit usb_cpia_cleanup(void) -{ - usb_deregister(&cpia_driver); -} - - -module_init (usb_cpia_init); -module_exit (usb_cpia_cleanup); - diff --git a/drivers/staging/stradis/Kconfig b/drivers/staging/stradis/Kconfig deleted file mode 100644 index 02f0fc504cf5..000000000000 --- a/drivers/staging/stradis/Kconfig +++ /dev/null @@ -1,7 +0,0 @@ -config VIDEO_STRADIS - tristate "Stradis 4:2:2 MPEG-2 video driver (DEPRECATED)" - depends on EXPERIMENTAL && PCI && VIDEO_V4L1 && VIRT_TO_BUS && BKL - help - Say Y here to enable support for the Stradis 4:2:2 MPEG-2 video - driver for PCI. There is a product page at - <http://www.stradis.com/>. diff --git a/drivers/staging/stradis/Makefile b/drivers/staging/stradis/Makefile deleted file mode 100644 index 0f1feab59e39..000000000000 --- a/drivers/staging/stradis/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -obj-$(CONFIG_VIDEO_STRADIS) += stradis.o - -EXTRA_CFLAGS += -Idrivers/media/video diff --git a/drivers/staging/stradis/TODO b/drivers/staging/stradis/TODO deleted file mode 100644 index f48150fe2fa9..000000000000 --- a/drivers/staging/stradis/TODO +++ /dev/null @@ -1,6 +0,0 @@ -This is an obsolete driver for ancient stradis hardware. -We couldn't find anyone with this hardware in order to port it to use V4L2. - -If nobody take care on it, the driver will be removed for 2.6.38. - -Please send patches to linux-media@vger.kernel.org diff --git a/drivers/staging/stradis/stradis.c b/drivers/staging/stradis/stradis.c deleted file mode 100644 index 807dd7eb748f..000000000000 --- a/drivers/staging/stradis/stradis.c +++ /dev/null @@ -1,2222 +0,0 @@ -/* - * stradis.c - stradis 4:2:2 mpeg decoder driver - * - * Stradis 4:2:2 MPEG-2 Decoder Driver - * Copyright (C) 1999 Nathan Laredo <laredo@gnu.org> - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/module.h> -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/kernel.h> -#include <linux/major.h> -#include <linux/slab.h> -#include <linux/smp_lock.h> -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/poll.h> -#include <linux/pci.h> -#include <linux/signal.h> -#include <asm/io.h> -#include <linux/ioport.h> -#include <asm/pgtable.h> -#include <asm/page.h> -#include <linux/sched.h> -#include <asm/types.h> -#include <linux/types.h> -#include <linux/interrupt.h> -#include <asm/uaccess.h> -#include <linux/vmalloc.h> -#include <linux/videodev.h> -#include <media/v4l2-common.h> -#include <media/v4l2-ioctl.h> - -#include "saa7146.h" -#include "saa7146reg.h" -#include "ibmmpeg2.h" -#include "saa7121.h" -#include "cs8420.h" - -#define DEBUG(x) /* debug driver */ -#undef IDEBUG /* debug irq handler */ -#undef MDEBUG /* debug memory management */ - -#define SAA7146_MAX 6 - -static struct saa7146 saa7146s[SAA7146_MAX]; - -static int saa_num; /* number of SAA7146s in use */ - -static int video_nr = -1; -module_param(video_nr, int, 0); -MODULE_LICENSE("GPL"); - -#define nDebNormal 0x00480000 -#define nDebNoInc 0x00480000 -#define nDebVideo 0xd0480000 -#define nDebAudio 0xd0400000 -#define nDebDMA 0x02c80000 - -#define oDebNormal 0x13c80000 -#define oDebNoInc 0x13c80000 -#define oDebVideo 0xd1080000 -#define oDebAudio 0xd1080000 -#define oDebDMA 0x03080000 - -#define NewCard (saa->boardcfg[3]) -#define ChipControl (saa->boardcfg[1]) -#define NTSCFirstActive (saa->boardcfg[4]) -#define PALFirstActive (saa->boardcfg[5]) -#define NTSCLastActive (saa->boardcfg[54]) -#define PALLastActive (saa->boardcfg[55]) -#define Have2MB (saa->boardcfg[18] & 0x40) -#define HaveCS8420 (saa->boardcfg[18] & 0x04) -#define IBMMPEGCD20 (saa->boardcfg[18] & 0x20) -#define HaveCS3310 (saa->boardcfg[18] & 0x01) -#define CS3310MaxLvl ((saa->boardcfg[30] << 8) | saa->boardcfg[31]) -#define HaveCS4341 (saa->boardcfg[40] == 2) -#define SDIType (saa->boardcfg[27]) -#define CurrentMode (saa->boardcfg[2]) - -#define debNormal (NewCard ? nDebNormal : oDebNormal) -#define debNoInc (NewCard ? nDebNoInc : oDebNoInc) -#define debVideo (NewCard ? nDebVideo : oDebVideo) -#define debAudio (NewCard ? nDebAudio : oDebAudio) -#define debDMA (NewCard ? nDebDMA : oDebDMA) - -#ifdef USE_RESCUE_EEPROM_SDM275 -static unsigned char rescue_eeprom[64] = { - 0x00, 0x01, 0x04, 0x13, 0x26, 0x0f, 0x10, 0x00, 0x00, 0x00, 0x43, 0x63, - 0x22, 0x01, 0x29, 0x15, 0x73, 0x00, 0x1f, 'd', 'e', 'c', 'x', 'l', - 'd', 'v', 'a', 0x02, 0x00, 0x01, 0x00, 0xcc, 0xa4, 0x63, 0x09, 0xe2, - 0x10, 0x00, 0x0a, 0x00, 0x02, 0x02, 'd', 'e', 'c', 'x', 'l', 'a', - 0x00, 0x00, 0x42, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, -}; -#endif - -/* ----------------------------------------------------------------------- */ -/* Hardware I2C functions */ -static void I2CWipe(struct saa7146 *saa) -{ - int i; - /* set i2c to ~=100kHz, abort transfer, clear busy */ - saawrite(0x600 | SAA7146_I2C_ABORT, SAA7146_I2C_STATUS); - saawrite((SAA7146_MC2_UPLD_I2C << 16) | - SAA7146_MC2_UPLD_I2C, SAA7146_MC2); - /* wait for i2c registers to be programmed */ - for (i = 0; i < 1000 && - !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++) - schedule(); - saawrite(0x600, SAA7146_I2C_STATUS); - saawrite((SAA7146_MC2_UPLD_I2C << 16) | - SAA7146_MC2_UPLD_I2C, SAA7146_MC2); - /* wait for i2c registers to be programmed */ - for (i = 0; i < 1000 && - !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++) - schedule(); - saawrite(0x600, SAA7146_I2C_STATUS); - saawrite((SAA7146_MC2_UPLD_I2C << 16) | - SAA7146_MC2_UPLD_I2C, SAA7146_MC2); - /* wait for i2c registers to be programmed */ - for (i = 0; i < 1000 && - !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++) - schedule(); -} - -/* read I2C */ -static int I2CRead(struct saa7146 *saa, unsigned char addr, - unsigned char subaddr, int dosub) -{ - int i; - - if (saaread(SAA7146_I2C_STATUS) & 0x3c) - I2CWipe(saa); - for (i = 0; - i < 1000 && (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_BUSY); - i++) - schedule(); - if (i == 1000) - I2CWipe(saa); - if (dosub) - saawrite(((addr & 0xfe) << 24) | (((addr | 1) & 0xff) << 8) | - ((subaddr & 0xff) << 16) | 0xed, SAA7146_I2C_TRANSFER); - else - saawrite(((addr & 0xfe) << 24) | (((addr | 1) & 0xff) << 16) | - 0xf1, SAA7146_I2C_TRANSFER); - saawrite((SAA7146_MC2_UPLD_I2C << 16) | - SAA7146_MC2_UPLD_I2C, SAA7146_MC2); - /* wait for i2c registers to be programmed */ - for (i = 0; i < 1000 && - !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++) - schedule(); - /* wait for valid data */ - for (i = 0; i < 1000 && - (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_BUSY); i++) - schedule(); - if (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_ERR) - return -1; - if (i == 1000) - printk("i2c setup read timeout\n"); - saawrite(0x41, SAA7146_I2C_TRANSFER); - saawrite((SAA7146_MC2_UPLD_I2C << 16) | - SAA7146_MC2_UPLD_I2C, SAA7146_MC2); - /* wait for i2c registers to be programmed */ - for (i = 0; i < 1000 && - !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++) - schedule(); - /* wait for valid data */ - for (i = 0; i < 1000 && - (saaread(SAA7146_I2C_TRANSFER) & SAA7146_I2C_BUSY); i++) - schedule(); - if (saaread(SAA7146_I2C_TRANSFER) & SAA7146_I2C_ERR) - return -1; - if (i == 1000) - printk("i2c read timeout\n"); - return ((saaread(SAA7146_I2C_TRANSFER) >> 24) & 0xff); -} - -/* set both to write both bytes, reset it to write only b1 */ - -static int I2CWrite(struct saa7146 *saa, unsigned char addr, unsigned char b1, - unsigned char b2, int both) -{ - int i; - u32 data; - - if (saaread(SAA7146_I2C_STATUS) & 0x3c) - I2CWipe(saa); - for (i = 0; i < 1000 && - (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_BUSY); i++) - schedule(); - if (i == 1000) - I2CWipe(saa); - data = ((addr & 0xfe) << 24) | ((b1 & 0xff) << 16); - if (both) - data |= ((b2 & 0xff) << 8) | 0xe5; - else - data |= 0xd1; - saawrite(data, SAA7146_I2C_TRANSFER); - saawrite((SAA7146_MC2_UPLD_I2C << 16) | SAA7146_MC2_UPLD_I2C, - SAA7146_MC2); - return 0; -} - -static void attach_inform(struct saa7146 *saa, int id) -{ - int i; - - DEBUG(printk(KERN_DEBUG "stradis%d: i2c: device found=%02x\n", saa->nr, - id)); - if (id == 0xa0) { /* we have rev2 or later board, fill in info */ - for (i = 0; i < 64; i++) - saa->boardcfg[i] = I2CRead(saa, 0xa0, i, 1); -#ifdef USE_RESCUE_EEPROM_SDM275 - if (saa->boardcfg[0] != 0) { - printk("stradis%d: WARNING: EEPROM STORED VALUES HAVE " - "BEEN IGNORED\n", saa->nr); - for (i = 0; i < 64; i++) - saa->boardcfg[i] = rescue_eeprom[i]; - } -#endif - printk("stradis%d: config =", saa->nr); - for (i = 0; i < 51; i++) { - printk(" %02x", saa->boardcfg[i]); - } - printk("\n"); - } -} - -static void I2CBusScan(struct saa7146 *saa) -{ - int i; - for (i = 0; i < 0xff; i += 2) - if ((I2CRead(saa, i, 0, 0)) >= 0) - attach_inform(saa, i); -} - -static int debiwait_maxwait; - -static int wait_for_debi_done(struct saa7146 *saa) -{ - int i; - - /* wait for registers to be programmed */ - for (i = 0; i < 100000 && - !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_DEBI); i++) - saaread(SAA7146_MC2); - /* wait for transfer to complete */ - for (i = 0; i < 500000 && - (saaread(SAA7146_PSR) & SAA7146_PSR_DEBI_S); i++) - saaread(SAA7146_MC2); - - if (i > debiwait_maxwait) - printk("wait-for-debi-done maxwait: %d\n", - debiwait_maxwait = i); - - if (i == 500000) - return -1; - - return 0; -} - -static int debiwrite(struct saa7146 *saa, u32 config, int addr, - u32 val, int count) -{ - u32 cmd; - if (count <= 0 || count > 32764) - return -1; - if (wait_for_debi_done(saa) < 0) - return -1; - saawrite(config, SAA7146_DEBI_CONFIG); - if (count <= 4) /* immediate transfer */ - saawrite(val, SAA7146_DEBI_AD); - else /* block transfer */ - saawrite(virt_to_bus(saa->dmadebi), SAA7146_DEBI_AD); - saawrite((cmd = (count << 17) | (addr & 0xffff)), SAA7146_DEBI_COMMAND); - saawrite((SAA7146_MC2_UPLD_DEBI << 16) | SAA7146_MC2_UPLD_DEBI, - SAA7146_MC2); - return 0; -} - -static u32 debiread(struct saa7146 *saa, u32 config, int addr, int count) -{ - u32 result = 0; - - if (count > 32764 || count <= 0) - return 0; - if (wait_for_debi_done(saa) < 0) - return 0; - saawrite(virt_to_bus(saa->dmadebi), SAA7146_DEBI_AD); - saawrite((count << 17) | 0x10000 | (addr & 0xffff), - SAA7146_DEBI_COMMAND); - saawrite(config, SAA7146_DEBI_CONFIG); - saawrite((SAA7146_MC2_UPLD_DEBI << 16) | SAA7146_MC2_UPLD_DEBI, - SAA7146_MC2); - if (count > 4) /* not an immediate transfer */ - return count; - wait_for_debi_done(saa); - result = saaread(SAA7146_DEBI_AD); - if (count == 1) - result &= 0xff; - if (count == 2) - result &= 0xffff; - if (count == 3) - result &= 0xffffff; - return result; -} - -static void do_irq_send_data(struct saa7146 *saa) -{ - int split, audbytes, vidbytes; - - saawrite(SAA7146_PSR_PIN1, SAA7146_IER); - /* if special feature mode in effect, disable audio sending */ - if (saa->playmode != VID_PLAY_NORMAL) - saa->audtail = saa->audhead = 0; - if (saa->audhead <= saa->audtail) - audbytes = saa->audtail - saa->audhead; - else - audbytes = 65536 - (saa->audhead - saa->audtail); - if (saa->vidhead <= saa->vidtail) - vidbytes = saa->vidtail - saa->vidhead; - else - vidbytes = 524288 - (saa->vidhead - saa->vidtail); - if (audbytes == 0 && vidbytes == 0 && saa->osdtail == saa->osdhead) { - saawrite(0, SAA7146_IER); - return; - } - /* if at least 1 block audio waiting and audio fifo isn't full */ - if (audbytes >= 2048 && (debiread(saa, debNormal, IBM_MP2_AUD_FIFO, 2) - & 0xff) < 60) { - if (saa->audhead > saa->audtail) - split = 65536 - saa->audhead; - else - split = 0; - audbytes = 2048; - if (split > 0 && split < 2048) { - memcpy(saa->dmadebi, saa->audbuf + saa->audhead, split); - saa->audhead = 0; - audbytes -= split; - } else - split = 0; - memcpy(saa->dmadebi + split, saa->audbuf + saa->audhead, - audbytes); - saa->audhead += audbytes; - saa->audhead &= 0xffff; - debiwrite(saa, debAudio, (NewCard ? IBM_MP2_AUD_FIFO : - IBM_MP2_AUD_FIFOW), 0, 2048); - wake_up_interruptible(&saa->audq); - /* if at least 1 block video waiting and video fifo isn't full */ - } else if (vidbytes >= 30720 && (debiread(saa, debNormal, - IBM_MP2_FIFO, 2)) < 16384) { - if (saa->vidhead > saa->vidtail) - split = 524288 - saa->vidhead; - else - split = 0; - vidbytes = 30720; - if (split > 0 && split < 30720) { - memcpy(saa->dmadebi, saa->vidbuf + saa->vidhead, split); - saa->vidhead = 0; - vidbytes -= split; - } else - split = 0; - memcpy(saa->dmadebi + split, saa->vidbuf + saa->vidhead, - vidbytes); - saa->vidhead += vidbytes; - saa->vidhead &= 0x7ffff; - debiwrite(saa, debVideo, (NewCard ? IBM_MP2_FIFO : - IBM_MP2_FIFOW), 0, 30720); - wake_up_interruptible(&saa->vidq); - } - saawrite(SAA7146_PSR_DEBI_S | SAA7146_PSR_PIN1, SAA7146_IER); -} - -static void send_osd_data(struct saa7146 *saa) -{ - int size = saa->osdtail - saa->osdhead; - if (size > 30720) - size = 30720; - /* ensure some multiple of 8 bytes is transferred */ - size = 8 * ((size + 8) >> 3); - if (size) { - debiwrite(saa, debNormal, IBM_MP2_OSD_ADDR, - (saa->osdhead >> 3), 2); - memcpy(saa->dmadebi, &saa->osdbuf[saa->osdhead], size); - saa->osdhead += size; - /* block transfer of next 8 bytes to ~32k bytes */ - debiwrite(saa, debNormal, IBM_MP2_OSD_DATA, 0, size); - } - if (saa->osdhead >= saa->osdtail) { - saa->osdhead = saa->osdtail = 0; - debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00c, 2); - } -} - -static irqreturn_t saa7146_irq(int irq, void *dev_id) -{ - struct saa7146 *saa = dev_id; - u32 stat, astat; - int count; - int handled = 0; - - count = 0; - while (1) { - /* get/clear interrupt status bits */ - stat = saaread(SAA7146_ISR); - astat = stat & saaread(SAA7146_IER); - if (!astat) - break; - handled = 1; - saawrite(astat, SAA7146_ISR); - if (astat & SAA7146_PSR_DEBI_S) { - do_irq_send_data(saa); - } - if (astat & SAA7146_PSR_PIN1) { - int istat; - /* the following read will trigger DEBI_S */ - istat = debiread(saa, debNormal, IBM_MP2_HOST_INT, 2); - if (istat & 1) { - saawrite(0, SAA7146_IER); - send_osd_data(saa); - saawrite(SAA7146_PSR_DEBI_S | - SAA7146_PSR_PIN1, SAA7146_IER); - } - if (istat & 0x20) { /* Video Start */ - saa->vidinfo.frame_count++; - } - if (istat & 0x400) { /* Picture Start */ - /* update temporal reference */ - } - if (istat & 0x200) { /* Picture Resolution Change */ - /* read new resolution */ - } - if (istat & 0x100) { /* New User Data found */ - /* read new user data */ - } - if (istat & 0x1000) { /* new GOP/SMPTE */ - /* read new SMPTE */ - } - if (istat & 0x8000) { /* Sequence Start Code */ - /* reset frame counter, load sizes */ - saa->vidinfo.frame_count = 0; - saa->vidinfo.h_size = 704; - saa->vidinfo.v_size = 480; -#if 0 - if (saa->endmarkhead != saa->endmarktail) { - saa->audhead = - saa->endmark[saa->endmarkhead]; - saa->endmarkhead++; - if (saa->endmarkhead >= MAX_MARKS) - saa->endmarkhead = 0; - } -#endif - } - if (istat & 0x4000) { /* Sequence Error Code */ - if (saa->endmarkhead != saa->endmarktail) { - saa->audhead = - saa->endmark[saa->endmarkhead]; - saa->endmarkhead++; - if (saa->endmarkhead >= MAX_MARKS) - saa->endmarkhead = 0; - } - } - } -#ifdef IDEBUG - if (astat & SAA7146_PSR_PPEF) { - IDEBUG(printk("stradis%d irq: PPEF\n", saa->nr)); - } - if (astat & SAA7146_PSR_PABO) { - IDEBUG(printk("stradis%d irq: PABO\n", saa->nr)); - } - if (astat & SAA7146_PSR_PPED) { - IDEBUG(printk("stradis%d irq: PPED\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_I1) { - IDEBUG(printk("stradis%d irq: RPS_I1\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_I0) { - IDEBUG(printk("stradis%d irq: RPS_I0\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_LATE1) { - IDEBUG(printk("stradis%d irq: RPS_LATE1\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_LATE0) { - IDEBUG(printk("stradis%d irq: RPS_LATE0\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_E1) { - IDEBUG(printk("stradis%d irq: RPS_E1\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_E0) { - IDEBUG(printk("stradis%d irq: RPS_E0\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_TO1) { - IDEBUG(printk("stradis%d irq: RPS_TO1\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_TO0) { - IDEBUG(printk("stradis%d irq: RPS_TO0\n", saa->nr)); - } - if (astat & SAA7146_PSR_UPLD) { - IDEBUG(printk("stradis%d irq: UPLD\n", saa->nr)); - } - if (astat & SAA7146_PSR_DEBI_E) { - IDEBUG(printk("stradis%d irq: DEBI_E\n", saa->nr)); - } - if (astat & SAA7146_PSR_I2C_S) { - IDEBUG(printk("stradis%d irq: I2C_S\n", saa->nr)); - } - if (astat & SAA7146_PSR_I2C_E) { - IDEBUG(printk("stradis%d irq: I2C_E\n", saa->nr)); - } - if (astat & SAA7146_PSR_A2_IN) { - IDEBUG(printk("stradis%d irq: A2_IN\n", saa->nr)); - } - if (astat & SAA7146_PSR_A2_OUT) { - IDEBUG(printk("stradis%d irq: A2_OUT\n", saa->nr)); - } - if (astat & SAA7146_PSR_A1_IN) { - IDEBUG(printk("stradis%d irq: A1_IN\n", saa->nr)); - } - if (astat & SAA7146_PSR_A1_OUT) { - IDEBUG(printk("stradis%d irq: A1_OUT\n", saa->nr)); - } - if (astat & SAA7146_PSR_AFOU) { - IDEBUG(printk("stradis%d irq: AFOU\n", saa->nr)); - } - if (astat & SAA7146_PSR_V_PE) { - IDEBUG(printk("stradis%d irq: V_PE\n", saa->nr)); - } - if (astat & SAA7146_PSR_VFOU) { - IDEBUG(printk("stradis%d irq: VFOU\n", saa->nr)); - } - if (astat & SAA7146_PSR_FIDA) { - IDEBUG(printk("stradis%d irq: FIDA\n", saa->nr)); - } - if (astat & SAA7146_PSR_FIDB) { - IDEBUG(printk("stradis%d irq: FIDB\n", saa->nr)); - } - if (astat & SAA7146_PSR_PIN3) { - IDEBUG(printk("stradis%d irq: PIN3\n", saa->nr)); - } - if (astat & SAA7146_PSR_PIN2) { - IDEBUG(printk("stradis%d irq: PIN2\n", saa->nr)); - } - if (astat & SAA7146_PSR_PIN0) { - IDEBUG(printk("stradis%d irq: PIN0\n", saa->nr)); - } - if (astat & SAA7146_PSR_ECS) { - IDEBUG(printk("stradis%d irq: ECS\n", saa->nr)); - } - if (astat & SAA7146_PSR_EC3S) { - IDEBUG(printk("stradis%d irq: EC3S\n", saa->nr)); - } - if (astat & SAA7146_PSR_EC0S) { - IDEBUG(printk("stradis%d irq: EC0S\n", saa->nr)); - } -#endif - count++; - if (count > 15) - printk(KERN_WARNING "stradis%d: irq loop %d\n", - saa->nr, count); - if (count > 20) { - saawrite(0, SAA7146_IER); - printk(KERN_ERR - "stradis%d: IRQ loop cleared\n", saa->nr); - } - } - return IRQ_RETVAL(handled); -} - -static int ibm_send_command(struct saa7146 *saa, - int command, int data, int chain) -{ - int i; - - if (chain) - debiwrite(saa, debNormal, IBM_MP2_COMMAND, (command << 1)| 1,2); - else - debiwrite(saa, debNormal, IBM_MP2_COMMAND, command << 1, 2); - debiwrite(saa, debNormal, IBM_MP2_CMD_DATA, data, 2); - debiwrite(saa, debNormal, IBM_MP2_CMD_STAT, 1, 2); - for (i = 0; i < 100 && - (debiread(saa, debNormal, IBM_MP2_CMD_STAT, 2) & 1); i++) - schedule(); - if (i == 100) - return -1; - return 0; -} - -static void cs4341_setlevel(struct saa7146 *saa, int left, int right) -{ - I2CWrite(saa, 0x22, 0x03, left > 94 ? 94 : left, 2); - I2CWrite(saa, 0x22, 0x04, right > 94 ? 94 : right, 2); -} - -static void initialize_cs4341(struct saa7146 *saa) -{ - int i; - for (i = 0; i < 200; i++) { - /* auto mute off, power on, no de-emphasis */ - /* I2S data up to 24-bit 64xFs internal SCLK */ - I2CWrite(saa, 0x22, 0x01, 0x11, 2); - /* ATAPI mixer settings */ - I2CWrite(saa, 0x22, 0x02, 0x49, 2); - /* attenuation left 3db */ - I2CWrite(saa, 0x22, 0x03, 0x00, 2); - /* attenuation right 3db */ - I2CWrite(saa, 0x22, 0x04, 0x00, 2); - I2CWrite(saa, 0x22, 0x01, 0x10, 2); - if (I2CRead(saa, 0x22, 0x02, 1) == 0x49) - break; - schedule(); - } - printk("stradis%d: CS4341 initialized (%d)\n", saa->nr, i); - return; -} - -static void initialize_cs8420(struct saa7146 *saa, int pro) -{ - int i; - u8 *sequence; - if (pro) - sequence = mode8420pro; - else - sequence = mode8420con; - for (i = 0; i < INIT8420LEN; i++) - I2CWrite(saa, 0x20, init8420[i * 2], init8420[i * 2 + 1], 2); - for (i = 0; i < MODE8420LEN; i++) - I2CWrite(saa, 0x20, sequence[i * 2], sequence[i * 2 + 1], 2); - printk("stradis%d: CS8420 initialized\n", saa->nr); -} - -static void initialize_saa7121(struct saa7146 *saa, int dopal) -{ - int i, mod; - u8 *sequence; - if (dopal) - sequence = init7121pal; - else - sequence = init7121ntsc; - mod = saaread(SAA7146_PSR) & 0x08; - /* initialize PAL/NTSC video encoder */ - for (i = 0; i < INIT7121LEN; i++) { - if (NewCard) { /* handle new card encoder differences */ - if (sequence[i * 2] == 0x3a) - I2CWrite(saa, 0x88, 0x3a, 0x13, 2); - else if (sequence[i * 2] == 0x6b) - I2CWrite(saa, 0x88, 0x6b, 0x20, 2); - else if (sequence[i * 2] == 0x6c) - I2CWrite(saa, 0x88, 0x6c, - dopal ? 0x09 : 0xf5, 2); - else if (sequence[i * 2] == 0x6d) - I2CWrite(saa, 0x88, 0x6d, - dopal ? 0x20 : 0x00, 2); - else if (sequence[i * 2] == 0x7a) - I2CWrite(saa, 0x88, 0x7a, - dopal ? (PALFirstActive - 1) : - (NTSCFirstActive - 4), 2); - else if (sequence[i * 2] == 0x7b) - I2CWrite(saa, 0x88, 0x7b, - dopal ? PALLastActive : - NTSCLastActive, 2); - else - I2CWrite(saa, 0x88, sequence[i * 2], - sequence[i * 2 + 1], 2); - } else { - if (sequence[i * 2] == 0x6b && mod) - I2CWrite(saa, 0x88, 0x6b, - (sequence[i * 2 + 1] ^ 0x09), 2); - else if (sequence[i * 2] == 0x7a) - I2CWrite(saa, 0x88, 0x7a, - dopal ? (PALFirstActive - 1) : - (NTSCFirstActive - 4), 2); - else if (sequence[i * 2] == 0x7b) - I2CWrite(saa, 0x88, 0x7b, - dopal ? PALLastActive : - NTSCLastActive, 2); - else - I2CWrite(saa, 0x88, sequence[i * 2], - sequence[i * 2 + 1], 2); - } - } -} - -static void set_genlock_offset(struct saa7146 *saa, int noffset) -{ - int nCode; - int PixelsPerLine = 858; - if (CurrentMode == VIDEO_MODE_PAL) - PixelsPerLine = 864; - if (noffset > 500) - noffset = 500; - else if (noffset < -500) - noffset = -500; - nCode = noffset + 0x100; - if (nCode == 1) - nCode = 0x401; - else if (nCode < 1) - nCode = 0x400 + PixelsPerLine + nCode; - debiwrite(saa, debNormal, XILINX_GLDELAY, nCode, 2); -} - -static void set_out_format(struct saa7146 *saa, int mode) -{ - initialize_saa7121(saa, (mode == VIDEO_MODE_NTSC ? 0 : 1)); - saa->boardcfg[2] = mode; - /* do not adjust analog video parameters here, use saa7121 init */ - /* you will affect the SDI output on the new card */ - if (mode == VIDEO_MODE_PAL) { /* PAL */ - debiwrite(saa, debNormal, XILINX_CTL0, 0x0808, 2); - mdelay(50); - saawrite(0x012002c0, SAA7146_NUM_LINE_BYTE1); - if (NewCard) { - debiwrite(saa, debNormal, IBM_MP2_DISP_MODE, 0xe100, 2); - mdelay(50); - } - debiwrite(saa, debNormal, IBM_MP2_DISP_MODE, - NewCard ? 0xe500 : 0x6500, 2); - debiwrite(saa, debNormal, IBM_MP2_DISP_DLY, - (1 << 8) | - (NewCard ? PALFirstActive : PALFirstActive - 6), 2); - } else { /* NTSC */ - debiwrite(saa, debNormal, XILINX_CTL0, 0x0800, 2); - mdelay(50); - saawrite(0x00f002c0, SAA7146_NUM_LINE_BYTE1); - debiwrite(saa, debNormal, IBM_MP2_DISP_MODE, - NewCard ? 0xe100 : 0x6100, 2); - debiwrite(saa, debNormal, IBM_MP2_DISP_DLY, - (1 << 8) | - (NewCard ? NTSCFirstActive : NTSCFirstActive - 6), 2); - } -} - -/* Intialize bitmangler to map from a byte value to the mangled word that - * must be output to program the Xilinx part through the DEBI port. - * Xilinx Data Bit->DEBI Bit: 0->15 1->7 2->6 3->12 4->11 5->2 6->1 7->0 - * transfer FPGA code, init IBM chip, transfer IBM microcode - * rev2 card mangles: 0->7 1->6 2->5 3->4 4->3 5->2 6->1 7->0 - */ -static u16 bitmangler[256]; - -static int initialize_fpga(struct video_code *bitdata) -{ - int i, num, startindex, failure = 0, loadtwo, loadfile = 0; - u16 *dmabuf; - u8 *newdma; - struct saa7146 *saa; - - /* verify fpga code */ - for (startindex = 0; startindex < bitdata->datasize; startindex++) - if (bitdata->data[startindex] == 255) - break; - if (startindex == bitdata->datasize) { - printk(KERN_INFO "stradis: bad fpga code\n"); - return -1; - } - /* initialize all detected cards */ - for (num = 0; num < saa_num; num++) { - saa = &saa7146s[num]; - if (saa->boardcfg[0] > 20) - continue; /* card was programmed */ - loadtwo = (saa->boardcfg[18] & 0x10); - if (!NewCard) /* we have an old board */ - for (i = 0; i < 256; i++) - bitmangler[i] = ((i & 0x01) << 15) | - ((i & 0x02) << 6) | ((i & 0x04) << 4) | - ((i & 0x08) << 9) | ((i & 0x10) << 7) | - ((i & 0x20) >> 3) | ((i & 0x40) >> 5) | - ((i & 0x80) >> 7); - else /* else we have a new board */ - for (i = 0; i < 256; i++) - bitmangler[i] = ((i & 0x01) << 7) | - ((i & 0x02) << 5) | ((i & 0x04) << 3) | - ((i & 0x08) << 1) | ((i & 0x10) >> 1) | - ((i & 0x20) >> 3) | ((i & 0x40) >> 5) | - ((i & 0x80) >> 7); - - dmabuf = (u16 *) saa->dmadebi; - newdma = (u8 *) saa->dmadebi; - if (NewCard) { /* SDM2xxx */ - if (!strncmp(bitdata->loadwhat, "decoder2", 8)) - continue; /* fpga not for this card */ - if (!strncmp(&saa->boardcfg[42], bitdata->loadwhat, 8)) - loadfile = 1; - else if (loadtwo && !strncmp(&saa->boardcfg[19], - bitdata->loadwhat, 8)) - loadfile = 2; - else if (!saa->boardcfg[42] && !strncmp("decxl", - bitdata->loadwhat, 8)) - loadfile = 1; /* special */ - else - continue; /* fpga not for this card */ - if (loadfile != 1 && loadfile != 2) - continue; /* skip to next card */ - if (saa->boardcfg[0] && loadfile == 1) - continue; /* skip to next card */ - if (saa->boardcfg[0] != 1 && loadfile == 2) - continue; /* skip to next card */ - saa->boardcfg[0]++; /* mark fpga handled */ - printk("stradis%d: loading %s\n", saa->nr, - bitdata->loadwhat); - if (loadtwo && loadfile == 2) - goto send_fpga_stuff; - /* turn on the Audio interface to set PROG low */ - saawrite(0x00400040, SAA7146_GPIO_CTRL); - saaread(SAA7146_PSR); /* ensure posted write */ - /* wait for everyone to reset */ - mdelay(10); - saawrite(0x00400000, SAA7146_GPIO_CTRL); - } else { /* original card */ - if (strncmp(bitdata->loadwhat, "decoder2", 8)) - continue; /* fpga not for this card */ - /* Pull the Xilinx PROG signal WS3 low */ - saawrite(0x02000200, SAA7146_MC1); - /* Turn on the Audio interface so can set PROG low */ - saawrite(0x000000c0, SAA7146_ACON1); - /* Pull the Xilinx INIT signal (GPIO2) low */ - saawrite(0x00400000, SAA7146_GPIO_CTRL); - /* Make sure everybody resets */ - saaread(SAA7146_PSR); /* ensure posted write */ - mdelay(10); - /* Release the Xilinx PROG signal */ - saawrite(0x00000000, SAA7146_ACON1); - /* Turn off the Audio interface */ - saawrite(0x02000000, SAA7146_MC1); - } - /* Release Xilinx INIT signal (WS2) */ - saawrite(0x00000000, SAA7146_GPIO_CTRL); - /* Wait for the INIT to go High */ - for (i = 0; - i < 10000 && !(saaread(SAA7146_PSR) & SAA7146_PSR_PIN2); - i++) - schedule(); - if (i == 1000) { - printk(KERN_INFO "stradis%d: no fpga INIT\n", saa->nr); - return -1; - } -send_fpga_stuff: - if (NewCard) { - for (i = startindex; i < bitdata->datasize; i++) - newdma[i - startindex] = - bitmangler[bitdata->data[i]]; - debiwrite(saa, 0x01420000, 0, 0, - ((bitdata->datasize - startindex) + 5)); - if (loadtwo && loadfile == 1) { - printk("stradis%d: awaiting 2nd FPGA bitfile\n", - saa->nr); - continue; /* skip to next card */ - } - } else { - for (i = startindex; i < bitdata->datasize; i++) - dmabuf[i - startindex] = - bitmangler[bitdata->data[i]]; - debiwrite(saa, 0x014a0000, 0, 0, - ((bitdata->datasize - startindex) + 5) * 2); - } - for (i = 0; - i < 1000 && !(saaread(SAA7146_PSR) & SAA7146_PSR_PIN2); - i++) - schedule(); - if (i == 1000) { - printk(KERN_INFO "stradis%d: FPGA load failed\n", - saa->nr); - failure++; - continue; - } - if (!NewCard) { - /* Pull the Xilinx INIT signal (GPIO2) low */ - saawrite(0x00400000, SAA7146_GPIO_CTRL); - saaread(SAA7146_PSR); /* ensure posted write */ - mdelay(2); - saawrite(0x00000000, SAA7146_GPIO_CTRL); - mdelay(2); - } - printk(KERN_INFO "stradis%d: FPGA Loaded\n", saa->nr); - saa->boardcfg[0] = 26; /* mark fpga programmed */ - /* set VXCO to its lowest frequency */ - debiwrite(saa, debNormal, XILINX_PWM, 0, 2); - if (NewCard) { - /* mute CS3310 */ - if (HaveCS3310) - debiwrite(saa, debNormal, XILINX_CS3310_CMPLT, - 0, 2); - /* set VXCO to PWM mode, release reset, blank on */ - debiwrite(saa, debNormal, XILINX_CTL0, 0xffc4, 2); - mdelay(10); - /* unmute CS3310 */ - if (HaveCS3310) - debiwrite(saa, debNormal, XILINX_CTL0, - 0x2020, 2); - } - /* set source Black */ - debiwrite(saa, debNormal, XILINX_CTL0, 0x1707, 2); - saa->boardcfg[4] = 22; /* set NTSC First Active Line */ - saa->boardcfg[5] = 23; /* set PAL First Active Line */ - saa->boardcfg[54] = 2; /* set NTSC Last Active Line - 256 */ - saa->boardcfg[55] = 54; /* set PAL Last Active Line - 256 */ - set_out_format(saa, VIDEO_MODE_NTSC); - mdelay(50); - /* begin IBM chip init */ - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 4, 2); - saaread(SAA7146_PSR); /* wait for reset */ - mdelay(5); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 0, 2); - debiread(saa, debNormal, IBM_MP2_CHIP_CONTROL, 2); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 0x10, 2); - debiwrite(saa, debNormal, IBM_MP2_CMD_ADDR, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_CHIP_MODE, 0x2e, 2); - if (NewCard) { - mdelay(5); - /* set i2s rate converter to 48KHz */ - debiwrite(saa, debNormal, 0x80c0, 6, 2); - /* we must init CS8420 first since rev b pulls i2s */ - /* master clock low and CS4341 needs i2s master to */ - /* run the i2c port. */ - if (HaveCS8420) - /* 0=consumer, 1=pro */ - initialize_cs8420(saa, 0); - - mdelay(5); - if (HaveCS4341) - initialize_cs4341(saa); - } - debiwrite(saa, debNormal, IBM_MP2_INFC_CTL, 0x48, 2); - debiwrite(saa, debNormal, IBM_MP2_BEEP_CTL, 0xa000, 2); - debiwrite(saa, debNormal, IBM_MP2_DISP_LBOR, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_DISP_TBOR, 0, 2); - if (NewCard) - set_genlock_offset(saa, 0); - debiwrite(saa, debNormal, IBM_MP2_FRNT_ATTEN, 0, 2); -#if 0 - /* enable genlock */ - debiwrite(saa, debNormal, XILINX_CTL0, 0x8000, 2); -#else - /* disable genlock */ - debiwrite(saa, debNormal, XILINX_CTL0, 0x8080, 2); -#endif - } - - return failure; -} - -static int do_ibm_reset(struct saa7146 *saa) -{ - /* failure if decoder not previously programmed */ - if (saa->boardcfg[0] < 37) - return -EIO; - /* mute CS3310 */ - if (HaveCS3310) - debiwrite(saa, debNormal, XILINX_CS3310_CMPLT, 0, 2); - /* disable interrupts */ - saawrite(0, SAA7146_IER); - saa->audhead = saa->audtail = 0; - saa->vidhead = saa->vidtail = 0; - /* tristate debi bus, disable debi transfers */ - saawrite(0x00880000, SAA7146_MC1); - /* ensure posted write */ - saaread(SAA7146_MC1); - mdelay(50); - /* re-enable debi transfers */ - saawrite(0x00880088, SAA7146_MC1); - /* set source Black */ - debiwrite(saa, debNormal, XILINX_CTL0, 0x1707, 2); - /* begin IBM chip init */ - set_out_format(saa, CurrentMode); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 4, 2); - saaread(SAA7146_PSR); /* wait for reset */ - mdelay(5); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 0, 2); - debiread(saa, debNormal, IBM_MP2_CHIP_CONTROL, 2); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, ChipControl, 2); - debiwrite(saa, debNormal, IBM_MP2_CHIP_MODE, 0x2e, 2); - if (NewCard) { - mdelay(5); - /* set i2s rate converter to 48KHz */ - debiwrite(saa, debNormal, 0x80c0, 6, 2); - /* we must init CS8420 first since rev b pulls i2s */ - /* master clock low and CS4341 needs i2s master to */ - /* run the i2c port. */ - if (HaveCS8420) - /* 0=consumer, 1=pro */ - initialize_cs8420(saa, 1); - - mdelay(5); - if (HaveCS4341) - initialize_cs4341(saa); - } - debiwrite(saa, debNormal, IBM_MP2_INFC_CTL, 0x48, 2); - debiwrite(saa, debNormal, IBM_MP2_BEEP_CTL, 0xa000, 2); - debiwrite(saa, debNormal, IBM_MP2_DISP_LBOR, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_DISP_TBOR, 0, 2); - if (NewCard) - set_genlock_offset(saa, 0); - debiwrite(saa, debNormal, IBM_MP2_FRNT_ATTEN, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_OSD_SIZE, 0x2000, 2); - debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4552, 2); - if (ibm_send_command(saa, IBM_MP2_CONFIG_DECODER, - (ChipControl == 0x43 ? 0xe800 : 0xe000), 1)) { - printk(KERN_ERR "stradis%d: IBM config failed\n", saa->nr); - } - if (HaveCS3310) { - int i = CS3310MaxLvl; - debiwrite(saa, debNormal, XILINX_CS3310_CMPLT, ((i << 8)| i),2); - } - /* start video decoder */ - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, ChipControl, 2); - /* 256k vid, 3520 bytes aud */ - debiwrite(saa, debNormal, IBM_MP2_RB_THRESHOLD, 0x4037, 2); - debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4573, 2); - ibm_send_command(saa, IBM_MP2_PLAY, 0, 0); - /* enable buffer threshold irq */ - debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00c, 2); - /* clear pending interrupts */ - debiread(saa, debNormal, IBM_MP2_HOST_INT, 2); - debiwrite(saa, debNormal, XILINX_CTL0, 0x1711, 2); - - return 0; -} - -/* load the decoder microcode */ -static int initialize_ibmmpeg2(struct video_code *microcode) -{ - int i, num; - struct saa7146 *saa; - - for (num = 0; num < saa_num; num++) { - saa = &saa7146s[num]; - /* check that FPGA is loaded */ - debiwrite(saa, debNormal, IBM_MP2_OSD_SIZE, 0xa55a, 2); - i = debiread(saa, debNormal, IBM_MP2_OSD_SIZE, 2); - if (i != 0xa55a) { - printk(KERN_INFO "stradis%d: %04x != 0xa55a\n", - saa->nr, i); -#if 0 - return -1; -#endif - } - if (!strncmp(microcode->loadwhat, "decoder.vid", 11)) { - if (saa->boardcfg[0] > 27) - continue; /* skip to next card */ - /* load video control store */ - saa->boardcfg[1] = 0x13; /* no-sync default */ - debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 1, 2); - debiwrite(saa, debNormal, IBM_MP2_PROC_IADDR, 0, 2); - for (i = 0; i < microcode->datasize / 2; i++) - debiwrite(saa, debNormal, IBM_MP2_PROC_IDATA, - (microcode->data[i * 2] << 8) | - microcode->data[i * 2 + 1], 2); - debiwrite(saa, debNormal, IBM_MP2_PROC_IADDR, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, - ChipControl, 2); - saa->boardcfg[0] = 28; - } - if (!strncmp(microcode->loadwhat, "decoder.aud", 11)) { - if (saa->boardcfg[0] > 35) - continue; /* skip to next card */ - /* load audio control store */ - debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 1, 2); - debiwrite(saa, debNormal, IBM_MP2_AUD_IADDR, 0, 2); - for (i = 0; i < microcode->datasize; i++) - debiwrite(saa, debNormal, IBM_MP2_AUD_IDATA, - microcode->data[i], 1); - debiwrite(saa, debNormal, IBM_MP2_AUD_IADDR, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_OSD_SIZE, 0x2000, 2); - debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4552, 2); - if (ibm_send_command(saa, IBM_MP2_CONFIG_DECODER, - 0xe000, 1)) { - printk(KERN_ERR "stradis%d: IBM config " - "failed\n", saa->nr); - return -1; - } - /* set PWM to center value */ - if (NewCard) { - debiwrite(saa, debNormal, XILINX_PWM, - saa->boardcfg[14] + - (saa->boardcfg[13] << 8), 2); - } else - debiwrite(saa, debNormal, XILINX_PWM, 0x46, 2); - - if (HaveCS3310) { - i = CS3310MaxLvl; - debiwrite(saa, debNormal, XILINX_CS3310_CMPLT, - (i << 8) | i, 2); - } - printk(KERN_INFO "stradis%d: IBM MPEGCD%d Inited\n", - saa->nr, 18 + (debiread(saa, debNormal, - IBM_MP2_CHIP_CONTROL, 2) >> 12)); - /* start video decoder */ - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, - ChipControl, 2); - debiwrite(saa, debNormal, IBM_MP2_RB_THRESHOLD, 0x4037, - 2); /* 256k vid, 3520 bytes aud */ - debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4573, 2); - ibm_send_command(saa, IBM_MP2_PLAY, 0, 0); - /* enable buffer threshold irq */ - debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00c, 2); - debiread(saa, debNormal, IBM_MP2_HOST_INT, 2); - /* enable gpio irq */ - saawrite(0x00002000, SAA7146_GPIO_CTRL); - /* enable decoder output to HPS */ - debiwrite(saa, debNormal, XILINX_CTL0, 0x1711, 2); - saa->boardcfg[0] = 37; - } - } - - return 0; -} - -static u32 palette2fmt[] = { /* some of these YUV translations are wrong */ - 0xffffffff, 0x86000000, 0x87000000, 0x80000000, 0x8100000, 0x82000000, - 0x83000000, 0x00000000, 0x03000000, 0x03000000, 0x0a00000, 0x03000000, - 0x06000000, 0x00000000, 0x03000000, 0x0a000000, 0x0300000 -}; -static int bpp2fmt[4] = { - VIDEO_PALETTE_HI240, VIDEO_PALETTE_RGB565, VIDEO_PALETTE_RGB24, - VIDEO_PALETTE_RGB32 -}; - -/* I wish I could find a formula to calculate these... */ -static u32 h_prescale[64] = { - 0x10000000, 0x18040202, 0x18080000, 0x380c0606, 0x38100204, 0x38140808, - 0x38180000, 0x381c0000, 0x3820161c, 0x38242a3b, 0x38281230, 0x382c4460, - 0x38301040, 0x38340080, 0x38380000, 0x383c0000, 0x3840fefe, 0x3844ee9f, - 0x3848ee9f, 0x384cee9f, 0x3850ee9f, 0x38542a3b, 0x38581230, 0x385c0000, - 0x38600000, 0x38640000, 0x38680000, 0x386c0000, 0x38700000, 0x38740000, - 0x38780000, 0x387c0000, 0x30800000, 0x38840000, 0x38880000, 0x388c0000, - 0x38900000, 0x38940000, 0x38980000, 0x389c0000, 0x38a00000, 0x38a40000, - 0x38a80000, 0x38ac0000, 0x38b00000, 0x38b40000, 0x38b80000, 0x38bc0000, - 0x38c00000, 0x38c40000, 0x38c80000, 0x38cc0000, 0x38d00000, 0x38d40000, - 0x38d80000, 0x38dc0000, 0x38e00000, 0x38e40000, 0x38e80000, 0x38ec0000, - 0x38f00000, 0x38f40000, 0x38f80000, 0x38fc0000, -}; -static u32 v_gain[64] = { - 0x016000ff, 0x016100ff, 0x016100ff, 0x016200ff, 0x016200ff, 0x016200ff, - 0x016200ff, 0x016300ff, 0x016300ff, 0x016300ff, 0x016300ff, 0x016300ff, - 0x016300ff, 0x016300ff, 0x016300ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, -}; - -static void saa7146_set_winsize(struct saa7146 *saa) -{ - u32 format; - int offset, yacl, ysci; - saa->win.color_fmt = format = - (saa->win.depth == 15) ? palette2fmt[VIDEO_PALETTE_RGB555] : - palette2fmt[bpp2fmt[(saa->win.bpp - 1) & 3]]; - offset = saa->win.x * saa->win.bpp + saa->win.y * saa->win.bpl; - saawrite(saa->win.vidadr + offset, SAA7146_BASE_EVEN1); - saawrite(saa->win.vidadr + offset + saa->win.bpl, SAA7146_BASE_ODD1); - saawrite(saa->win.bpl * 2, SAA7146_PITCH1); - saawrite(saa->win.vidadr + saa->win.bpl * saa->win.sheight, - SAA7146_PROT_ADDR1); - saawrite(0, SAA7146_PAGE1); - saawrite(format | 0x60, SAA7146_CLIP_FORMAT_CTRL); - offset = (704 / (saa->win.width - 1)) & 0x3f; - saawrite(h_prescale[offset], SAA7146_HPS_H_PRESCALE); - offset = (720896 / saa->win.width) / (offset + 1); - saawrite((offset << 12) | 0x0c, SAA7146_HPS_H_SCALE); - if (CurrentMode == VIDEO_MODE_NTSC) { - yacl = /*(480 / saa->win.height - 1) & 0x3f */ 0; - ysci = 1024 - (saa->win.height * 1024 / 480); - } else { - yacl = /*(576 / saa->win.height - 1) & 0x3f */ 0; - ysci = 1024 - (saa->win.height * 1024 / 576); - } - saawrite((1 << 31) | (ysci << 21) | (yacl << 15), SAA7146_HPS_V_SCALE); - saawrite(v_gain[yacl], SAA7146_HPS_V_GAIN); - saawrite(((SAA7146_MC2_UPLD_DMA1 | SAA7146_MC2_UPLD_HPS_V | - SAA7146_MC2_UPLD_HPS_H) << 16) | (SAA7146_MC2_UPLD_DMA1 | - SAA7146_MC2_UPLD_HPS_V | SAA7146_MC2_UPLD_HPS_H), SAA7146_MC2); -} - -/* clip_draw_rectangle(cm,x,y,w,h) -- handle clipping an area - * bitmap is fixed width, 128 bytes (1024 pixels represented) - * arranged most-sigificant-bit-left in 32-bit words - * based on saa7146 clipping hardware, it swaps bytes if LE - * much of this makes up for egcs brain damage -- so if you - * are wondering "why did he do this?" it is because the C - * was adjusted to generate the optimal asm output without - * writing non-portable __asm__ directives. - */ - -static void clip_draw_rectangle(u32 *clipmap, int x, int y, int w, int h) -{ - register int startword, endword; - register u32 bitsleft, bitsright; - u32 *temp; - if (x < 0) { - w += x; - x = 0; - } - if (y < 0) { - h += y; - y = 0; - } - if (w <= 0 || h <= 0 || x > 1023 || y > 639) - return; /* throw away bad clips */ - if (x + w > 1024) - w = 1024 - x; - if (y + h > 640) - h = 640 - y; - startword = (x >> 5); - endword = ((x + w) >> 5); - bitsleft = (0xffffffff >> (x & 31)); - bitsright = (0xffffffff << (~((x + w) - (endword << 5)))); - temp = &clipmap[(y << 5) + startword]; - w = endword - startword; - if (!w) { - bitsleft |= bitsright; - for (y = 0; y < h; y++) { - *temp |= bitsleft; - temp += 32; - } - } else { - for (y = 0; y < h; y++) { - *temp++ |= bitsleft; - for (x = 1; x < w; x++) - *temp++ = 0xffffffff; - *temp |= bitsright; - temp += (32 - w); - } - } -} - -static void make_clip_tab(struct saa7146 *saa, struct video_clip *cr, int ncr) -{ - int i, width, height; - u32 *clipmap; - - clipmap = saa->dmavid2; - if ((width = saa->win.width) > 1023) - width = 1023; /* sanity check */ - if ((height = saa->win.height) > 640) - height = 639; /* sanity check */ - if (ncr > 0) { /* rectangles pased */ - /* convert rectangular clips to a bitmap */ - memset(clipmap, 0, VIDEO_CLIPMAP_SIZE); /* clear map */ - for (i = 0; i < ncr; i++) - clip_draw_rectangle(clipmap, cr[i].x, cr[i].y, - cr[i].width, cr[i].height); - } - /* clip against viewing window AND screen - so we do not have to rely on the user program - */ - clip_draw_rectangle(clipmap, (saa->win.x + width > saa->win.swidth) ? - (saa->win.swidth - saa->win.x) : width, 0, 1024, 768); - clip_draw_rectangle(clipmap, 0, - (saa->win.y + height > saa->win.sheight) ? - (saa->win.sheight - saa->win.y) : height, 1024, 768); - if (saa->win.x < 0) - clip_draw_rectangle(clipmap, 0, 0, -saa->win.x, 768); - if (saa->win.y < 0) - clip_draw_rectangle(clipmap, 0, 0, 1024, -saa->win.y); -} - -static long saa_ioctl(struct file *file, - unsigned int cmd, unsigned long argl) -{ - struct saa7146 *saa = file->private_data; - void __user *arg = (void __user *)argl; - - switch (cmd) { - case VIDIOCGCAP: - { - struct video_capability b; - memset(&b, 0, sizeof(b)); - strcpy(b.name, saa->video_dev.name); - b.type = VID_TYPE_CAPTURE | VID_TYPE_OVERLAY | - VID_TYPE_CLIPPING | VID_TYPE_FRAMERAM | - VID_TYPE_SCALES; - b.channels = 1; - b.audios = 1; - b.maxwidth = 768; - b.maxheight = 576; - b.minwidth = 32; - b.minheight = 32; - if (copy_to_user(arg, &b, sizeof(b))) - return -EFAULT; - return 0; - } - case VIDIOCGPICT: - { - struct video_picture p = saa->picture; - if (saa->win.depth == 8) - p.palette = VIDEO_PALETTE_HI240; - if (saa->win.depth == 15) - p.palette = VIDEO_PALETTE_RGB555; - if (saa->win.depth == 16) - p.palette = VIDEO_PALETTE_RGB565; - if (saa->win.depth == 24) - p.palette = VIDEO_PALETTE_RGB24; - if (saa->win.depth == 32) - p.palette = VIDEO_PALETTE_RGB32; - if (copy_to_user(arg, &p, sizeof(p))) - return -EFAULT; - return 0; - } - case VIDIOCSPICT: - { - struct video_picture p; - u32 format; - if (copy_from_user(&p, arg, sizeof(p))) - return -EFAULT; - if (p.palette < ARRAY_SIZE(palette2fmt)) { - format = palette2fmt[p.palette]; - saa->win.color_fmt = format; - saawrite(format | 0x60, - SAA7146_CLIP_FORMAT_CTRL); - } - saawrite(((p.brightness & 0xff00) << 16) | - ((p.contrast & 0xfe00) << 7) | - ((p.colour & 0xfe00) >> 9), SAA7146_BCS_CTRL); - saa->picture = p; - /* upload changed registers */ - saawrite(((SAA7146_MC2_UPLD_HPS_H | - SAA7146_MC2_UPLD_HPS_V) << 16) | - SAA7146_MC2_UPLD_HPS_H | - SAA7146_MC2_UPLD_HPS_V, SAA7146_MC2); - return 0; - } - case VIDIOCSWIN: - { - struct video_window vw; - struct video_clip *vcp = NULL; - - if (copy_from_user(&vw, arg, sizeof(vw))) - return -EFAULT; - - /* stop capture */ - if (vw.flags || vw.width < 16 || vw.height < 16) { - saawrite((SAA7146_MC1_TR_E_1 << 16), - SAA7146_MC1); - return -EINVAL; - } - /* 32-bit align start and adjust width */ - if (saa->win.bpp < 4) { - int i = vw.x; - vw.x = (vw.x + 3) & ~3; - i = vw.x - i; - vw.width -= i; - } - saa->win.x = vw.x; - saa->win.y = vw.y; - saa->win.width = vw.width; - if (saa->win.width > 768) - saa->win.width = 768; - saa->win.height = vw.height; - if (CurrentMode == VIDEO_MODE_NTSC) { - if (saa->win.height > 480) - saa->win.height = 480; - } else { - if (saa->win.height > 576) - saa->win.height = 576; - } - - /* stop capture */ - saawrite((SAA7146_MC1_TR_E_1 << 16), SAA7146_MC1); - saa7146_set_winsize(saa); - - /* - * Do any clips. - */ - if (vw.clipcount < 0) { - if (copy_from_user(saa->dmavid2, vw.clips, - VIDEO_CLIPMAP_SIZE)) - return -EFAULT; - } else if (vw.clipcount > 16384) { - return -EINVAL; - } else if (vw.clipcount > 0) { - vcp = vmalloc(sizeof(struct video_clip) * - vw.clipcount); - if (vcp == NULL) - return -ENOMEM; - if (copy_from_user(vcp, vw.clips, - sizeof(struct video_clip) * - vw.clipcount)) { - vfree(vcp); - return -EFAULT; - } - } else /* nothing clipped */ - memset(saa->dmavid2, 0, VIDEO_CLIPMAP_SIZE); - - make_clip_tab(saa, vcp, vw.clipcount); - if (vw.clipcount > 0) - vfree(vcp); - - /* start capture & clip dma if we have an address */ - if ((saa->cap & 3) && saa->win.vidadr != 0) - saawrite(((SAA7146_MC1_TR_E_1 | - SAA7146_MC1_TR_E_2) << 16) | 0xffff, - SAA7146_MC1); - return 0; - } - case VIDIOCGWIN: - { - struct video_window vw; - memset(&vw, 0, sizeof(vw)); - vw.x = saa->win.x; - vw.y = saa->win.y; - vw.width = saa->win.width; - vw.height = saa->win.height; - vw.chromakey = 0; - vw.flags = 0; - if (copy_to_user(arg, &vw, sizeof(vw))) - return -EFAULT; - return 0; - } - case VIDIOCCAPTURE: - { - int v; - if (copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - if (v == 0) { - saa->cap &= ~1; - saawrite((SAA7146_MC1_TR_E_1 << 16), - SAA7146_MC1); - } else { - if (saa->win.vidadr == 0 || saa->win.width == 0 - || saa->win.height == 0) - return -EINVAL; - saa->cap |= 1; - saawrite((SAA7146_MC1_TR_E_1 << 16) | 0xffff, - SAA7146_MC1); - } - return 0; - } - case VIDIOCGFBUF: - { - struct video_buffer v; - memset(&v, 0, sizeof(v)); - v.base = (void *)saa->win.vidadr; - v.height = saa->win.sheight; - v.width = saa->win.swidth; - v.depth = saa->win.depth; - v.bytesperline = saa->win.bpl; - if (copy_to_user(arg, &v, sizeof(v))) - return -EFAULT; - return 0; - - } - case VIDIOCSFBUF: - { - struct video_buffer v; - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - if (copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - if (v.depth != 8 && v.depth != 15 && v.depth != 16 && - v.depth != 24 && v.depth != 32 && v.width > 16 && - v.height > 16 && v.bytesperline > 16) - return -EINVAL; - if (v.base) - saa->win.vidadr = (unsigned long)v.base; - saa->win.sheight = v.height; - saa->win.swidth = v.width; - saa->win.bpp = ((v.depth + 7) & 0x38) / 8; - saa->win.depth = v.depth; - saa->win.bpl = v.bytesperline; - - DEBUG(printk("Display at %p is %d by %d, bytedepth %d, " - "bpl %d\n", v.base, v.width, v.height, - saa->win.bpp, saa->win.bpl)); - saa7146_set_winsize(saa); - return 0; - } - case VIDIOCKEY: - { - /* Will be handled higher up .. */ - return 0; - } - - case VIDIOCGAUDIO: - { - struct video_audio v; - memset(&v, 0, sizeof(v)); - v = saa->audio_dev; - v.flags &= ~(VIDEO_AUDIO_MUTE | VIDEO_AUDIO_MUTABLE); - v.flags |= VIDEO_AUDIO_MUTABLE | VIDEO_AUDIO_VOLUME; - strcpy(v.name, "MPEG"); - v.mode = VIDEO_SOUND_STEREO; - if (copy_to_user(arg, &v, sizeof(v))) - return -EFAULT; - return 0; - } - case VIDIOCSAUDIO: - { - struct video_audio v; - int i; - if (copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - i = (~(v.volume >> 8)) & 0xff; - if (!HaveCS4341) { - if (v.flags & VIDEO_AUDIO_MUTE) - debiwrite(saa, debNormal, - IBM_MP2_FRNT_ATTEN, 0xffff, 2); - if (!(v.flags & VIDEO_AUDIO_MUTE)) - debiwrite(saa, debNormal, - IBM_MP2_FRNT_ATTEN, 0x0000, 2); - if (v.flags & VIDEO_AUDIO_VOLUME) - debiwrite(saa, debNormal, - IBM_MP2_FRNT_ATTEN, - (i << 8) | i, 2); - } else { - if (v.flags & VIDEO_AUDIO_MUTE) - cs4341_setlevel(saa, 0xff, 0xff); - if (!(v.flags & VIDEO_AUDIO_MUTE)) - cs4341_setlevel(saa, 0, 0); - if (v.flags & VIDEO_AUDIO_VOLUME) - cs4341_setlevel(saa, i, i); - } - saa->audio_dev = v; - return 0; - } - - case VIDIOCGUNIT: - { - struct video_unit vu; - memset(&vu, 0, sizeof(vu)); - vu.video = saa->video_dev.minor; - vu.vbi = VIDEO_NO_UNIT; - vu.radio = VIDEO_NO_UNIT; - vu.audio = VIDEO_NO_UNIT; - vu.teletext = VIDEO_NO_UNIT; - if (copy_to_user(arg, &vu, sizeof(vu))) - return -EFAULT; - return 0; - } - case VIDIOCSPLAYMODE: - { - struct video_play_mode pmode; - if (copy_from_user((void *)&pmode, arg, - sizeof(struct video_play_mode))) - return -EFAULT; - switch (pmode.mode) { - case VID_PLAY_VID_OUT_MODE: - if (pmode.p1 != VIDEO_MODE_NTSC && - pmode.p1 != VIDEO_MODE_PAL) - return -EINVAL; - set_out_format(saa, pmode.p1); - return 0; - case VID_PLAY_GENLOCK: - debiwrite(saa, debNormal, XILINX_CTL0, - pmode.p1 ? 0x8000 : 0x8080, 2); - if (NewCard) - set_genlock_offset(saa, pmode.p2); - return 0; - case VID_PLAY_NORMAL: - debiwrite(saa, debNormal, - IBM_MP2_CHIP_CONTROL, ChipControl, 2); - ibm_send_command(saa, IBM_MP2_PLAY, 0, 0); - saa->playmode = pmode.mode; - return 0; - case VID_PLAY_PAUSE: - /* IBM removed the PAUSE command */ - /* they say use SINGLE_FRAME now */ - case VID_PLAY_SINGLE_FRAME: - ibm_send_command(saa, IBM_MP2_SINGLE_FRAME,0,0); - if (saa->playmode == pmode.mode) { - debiwrite(saa, debNormal, - IBM_MP2_CHIP_CONTROL, - ChipControl, 2); - } - saa->playmode = pmode.mode; - return 0; - case VID_PLAY_FAST_FORWARD: - ibm_send_command(saa, IBM_MP2_FAST_FORWARD,0,0); - saa->playmode = pmode.mode; - return 0; - case VID_PLAY_SLOW_MOTION: - ibm_send_command(saa, IBM_MP2_SLOW_MOTION, - pmode.p1, 0); - saa->playmode = pmode.mode; - return 0; - case VID_PLAY_IMMEDIATE_NORMAL: - /* ensure transfers resume */ - debiwrite(saa, debNormal, - IBM_MP2_CHIP_CONTROL, ChipControl, 2); - ibm_send_command(saa, IBM_MP2_IMED_NORM_PLAY, - 0, 0); - saa->playmode = VID_PLAY_NORMAL; - return 0; - case VID_PLAY_SWITCH_CHANNELS: - saa->audhead = saa->audtail = 0; - saa->vidhead = saa->vidtail = 0; - ibm_send_command(saa, IBM_MP2_FREEZE_FRAME,0,1); - ibm_send_command(saa, IBM_MP2_RESET_AUD_RATE, - 0, 1); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, - 0, 2); - ibm_send_command(saa, IBM_MP2_CHANNEL_SWITCH, - 0, 1); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, - ChipControl, 2); - ibm_send_command(saa, IBM_MP2_PLAY, 0, 0); - saa->playmode = VID_PLAY_NORMAL; - return 0; - case VID_PLAY_FREEZE_FRAME: - ibm_send_command(saa, IBM_MP2_FREEZE_FRAME,0,0); - saa->playmode = pmode.mode; - return 0; - case VID_PLAY_STILL_MODE: - ibm_send_command(saa, IBM_MP2_SET_STILL_MODE, - 0, 0); - saa->playmode = pmode.mode; - return 0; - case VID_PLAY_MASTER_MODE: - if (pmode.p1 == VID_PLAY_MASTER_NONE) - saa->boardcfg[1] = 0x13; - else if (pmode.p1 == VID_PLAY_MASTER_VIDEO) - saa->boardcfg[1] = 0x23; - else if (pmode.p1 == VID_PLAY_MASTER_AUDIO) - saa->boardcfg[1] = 0x43; - else - return -EINVAL; - debiwrite(saa, debNormal, - IBM_MP2_CHIP_CONTROL, ChipControl, 2); - return 0; - case VID_PLAY_ACTIVE_SCANLINES: - if (CurrentMode == VIDEO_MODE_PAL) { - if (pmode.p1 < 1 || pmode.p2 > 625) - return -EINVAL; - saa->boardcfg[5] = pmode.p1; - saa->boardcfg[55] = (pmode.p1 + - (pmode.p2 / 2) - 1) & 0xff; - } else { - if (pmode.p1 < 4 || pmode.p2 > 525) - return -EINVAL; - saa->boardcfg[4] = pmode.p1; - saa->boardcfg[54] = (pmode.p1 + - (pmode.p2 / 2) - 4) & 0xff; - } - set_out_format(saa, CurrentMode); - case VID_PLAY_RESET: - return do_ibm_reset(saa); - case VID_PLAY_END_MARK: - if (saa->endmarktail < saa->endmarkhead) { - if (saa->endmarkhead - - saa->endmarktail < 2) - return -ENOSPC; - } else if (saa->endmarkhead <=saa->endmarktail){ - if (saa->endmarktail - saa->endmarkhead - > (MAX_MARKS - 2)) - return -ENOSPC; - } else - return -ENOSPC; - saa->endmark[saa->endmarktail] = saa->audtail; - saa->endmarktail++; - if (saa->endmarktail >= MAX_MARKS) - saa->endmarktail = 0; - } - return -EINVAL; - } - case VIDIOCSWRITEMODE: - { - int mode; - if (copy_from_user((void *)&mode, arg, sizeof(int))) - return -EFAULT; - if (mode == VID_WRITE_MPEG_AUD || - mode == VID_WRITE_MPEG_VID || - mode == VID_WRITE_CC || - mode == VID_WRITE_TTX || - mode == VID_WRITE_OSD) { - saa->writemode = mode; - return 0; - } - return -EINVAL; - } - case VIDIOCSMICROCODE: - { - struct video_code ucode; - __u8 *udata; - int i; - if (copy_from_user(&ucode, arg, sizeof(ucode))) - return -EFAULT; - if (ucode.datasize > 65536 || ucode.datasize < 1024 || - strncmp(ucode.loadwhat, "dec", 3)) - return -EINVAL; - if ((udata = vmalloc(ucode.datasize)) == NULL) - return -ENOMEM; - if (copy_from_user(udata, ucode.data, ucode.datasize)) { - vfree(udata); - return -EFAULT; - } - ucode.data = udata; - if (!strncmp(ucode.loadwhat, "decoder.aud", 11) || - !strncmp(ucode.loadwhat, "decoder.vid", 11)) - i = initialize_ibmmpeg2(&ucode); - else - i = initialize_fpga(&ucode); - vfree(udata); - if (i) - return -EINVAL; - return 0; - - } - case VIDIOCGCHAN: /* this makes xawtv happy */ - { - struct video_channel v; - if (copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - v.flags = VIDEO_VC_AUDIO; - v.tuners = 0; - v.type = VID_TYPE_MPEG_DECODER; - v.norm = CurrentMode; - strcpy(v.name, "MPEG2"); - if (copy_to_user(arg, &v, sizeof(v))) - return -EFAULT; - return 0; - } - case VIDIOCSCHAN: /* this makes xawtv happy */ - { - struct video_channel v; - if (copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - /* do nothing */ - return 0; - } - default: - return -ENOIOCTLCMD; - } - return 0; -} - -static int saa_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct saa7146 *saa = file->private_data; - printk(KERN_DEBUG "stradis%d: saa_mmap called\n", saa->nr); - return -EINVAL; -} - -static ssize_t saa_read(struct file *file, char __user * buf, - size_t count, loff_t * ppos) -{ - return -EINVAL; -} - -static ssize_t saa_write(struct file *file, const char __user * buf, - size_t count, loff_t * ppos) -{ - struct saa7146 *saa = file->private_data; - unsigned long todo = count; - int blocksize, split; - unsigned long flags; - - while (todo > 0) { - if (saa->writemode == VID_WRITE_MPEG_AUD) { - spin_lock_irqsave(&saa->lock, flags); - if (saa->audhead <= saa->audtail) - blocksize = 65536 - - (saa->audtail - saa->audhead); - else - blocksize = saa->audhead - saa->audtail; - spin_unlock_irqrestore(&saa->lock, flags); - if (blocksize < 16384) { - saawrite(SAA7146_PSR_DEBI_S | - SAA7146_PSR_PIN1, SAA7146_IER); - saawrite(SAA7146_PSR_PIN1, SAA7146_PSR); - /* wait for buffer space to open */ - interruptible_sleep_on(&saa->audq); - } - spin_lock_irqsave(&saa->lock, flags); - if (saa->audhead <= saa->audtail) { - blocksize = 65536 - - (saa->audtail - saa->audhead); - split = 65536 - saa->audtail; - } else { - blocksize = saa->audhead - saa->audtail; - split = 65536; - } - spin_unlock_irqrestore(&saa->lock, flags); - blocksize--; - if (blocksize > todo) - blocksize = todo; - /* double check that we really have space */ - if (!blocksize) - return -ENOSPC; - if (split < blocksize) { - if (copy_from_user(saa->audbuf + - saa->audtail, buf, split)) - return -EFAULT; - buf += split; - todo -= split; - blocksize -= split; - saa->audtail = 0; - } - if (copy_from_user(saa->audbuf + saa->audtail, buf, - blocksize)) - return -EFAULT; - saa->audtail += blocksize; - todo -= blocksize; - buf += blocksize; - saa->audtail &= 0xffff; - } else if (saa->writemode == VID_WRITE_MPEG_VID) { - spin_lock_irqsave(&saa->lock, flags); - if (saa->vidhead <= saa->vidtail) - blocksize = 524288 - - (saa->vidtail - saa->vidhead); - else - blocksize = saa->vidhead - saa->vidtail; - spin_unlock_irqrestore(&saa->lock, flags); - if (blocksize < 65536) { - saawrite(SAA7146_PSR_DEBI_S | - SAA7146_PSR_PIN1, SAA7146_IER); - saawrite(SAA7146_PSR_PIN1, SAA7146_PSR); - /* wait for buffer space to open */ - interruptible_sleep_on(&saa->vidq); - } - spin_lock_irqsave(&saa->lock, flags); - if (saa->vidhead <= saa->vidtail) { - blocksize = 524288 - - (saa->vidtail - saa->vidhead); - split = 524288 - saa->vidtail; - } else { - blocksize = saa->vidhead - saa->vidtail; - split = 524288; - } - spin_unlock_irqrestore(&saa->lock, flags); - blocksize--; - if (blocksize > todo) - blocksize = todo; - /* double check that we really have space */ - if (!blocksize) - return -ENOSPC; - if (split < blocksize) { - if (copy_from_user(saa->vidbuf + - saa->vidtail, buf, split)) - return -EFAULT; - buf += split; - todo -= split; - blocksize -= split; - saa->vidtail = 0; - } - if (copy_from_user(saa->vidbuf + saa->vidtail, buf, - blocksize)) - return -EFAULT; - saa->vidtail += blocksize; - todo -= blocksize; - buf += blocksize; - saa->vidtail &= 0x7ffff; - } else if (saa->writemode == VID_WRITE_OSD) { - if (count > 131072) - return -ENOSPC; - if (copy_from_user(saa->osdbuf, buf, count)) - return -EFAULT; - buf += count; - saa->osdhead = 0; - saa->osdtail = count; - debiwrite(saa, debNormal, IBM_MP2_OSD_ADDR, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_OSD_LINK_ADDR, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00d, 2); - debiwrite(saa, debNormal, IBM_MP2_DISP_MODE, - debiread(saa, debNormal, - IBM_MP2_DISP_MODE, 2) | 1, 2); - /* trigger osd data transfer */ - saawrite(SAA7146_PSR_DEBI_S | - SAA7146_PSR_PIN1, SAA7146_IER); - saawrite(SAA7146_PSR_PIN1, SAA7146_PSR); - } - } - return count; -} - -static int saa_open(struct file *file) -{ - struct video_device *vdev = video_devdata(file); - struct saa7146 *saa = container_of(vdev, struct saa7146, video_dev); - - lock_kernel(); - file->private_data = saa; - - saa->user++; - if (saa->user > 1) { - saa->user--; - unlock_kernel(); - return 0; /* device open already, don't reset */ - } - saa->writemode = VID_WRITE_MPEG_VID; /* default to video */ - unlock_kernel(); - return 0; -} - -static int saa_release(struct file *file) -{ - struct saa7146 *saa = file->private_data; - saa->user--; - - if (saa->user > 0) /* still someone using device */ - return 0; - saawrite(0x007f0000, SAA7146_MC1); /* stop all overlay dma */ - return 0; -} - -static const struct v4l2_file_operations saa_fops = { - .owner = THIS_MODULE, - .open = saa_open, - .release = saa_release, - .ioctl = saa_ioctl, - .read = saa_read, - .write = saa_write, - .mmap = saa_mmap, -}; - -/* template for video_device-structure */ -static struct video_device saa_template = { - .name = "SAA7146A", - .fops = &saa_fops, - .release = video_device_release_empty, -}; - -static int __devinit configure_saa7146(struct pci_dev *pdev, int num) -{ - int retval; - struct saa7146 *saa = pci_get_drvdata(pdev); - - saa->endmarkhead = saa->endmarktail = 0; - saa->win.x = saa->win.y = 0; - saa->win.width = saa->win.cropwidth = 720; - saa->win.height = saa->win.cropheight = 480; - saa->win.cropx = saa->win.cropy = 0; - saa->win.bpp = 2; - saa->win.depth = 16; - saa->win.color_fmt = palette2fmt[VIDEO_PALETTE_RGB565]; - saa->win.bpl = 1024 * saa->win.bpp; - saa->win.swidth = 1024; - saa->win.sheight = 768; - saa->picture.brightness = 32768; - saa->picture.contrast = 38768; - saa->picture.colour = 32768; - saa->cap = 0; - saa->nr = num; - saa->playmode = VID_PLAY_NORMAL; - memset(saa->boardcfg, 0, 64); /* clear board config area */ - saa->saa7146_mem = NULL; - saa->dmavid1 = saa->dmavid2 = saa->dmavid3 = saa->dmaa1in = - saa->dmaa1out = saa->dmaa2in = saa->dmaa2out = - saa->pagevid1 = saa->pagevid2 = saa->pagevid3 = saa->pagea1in = - saa->pagea1out = saa->pagea2in = saa->pagea2out = - saa->pagedebi = saa->dmaRPS1 = saa->dmaRPS2 = saa->pageRPS1 = - saa->pageRPS2 = NULL; - saa->audbuf = saa->vidbuf = saa->osdbuf = saa->dmadebi = NULL; - saa->audhead = saa->vidtail = 0; - - init_waitqueue_head(&saa->i2cq); - init_waitqueue_head(&saa->audq); - init_waitqueue_head(&saa->debiq); - init_waitqueue_head(&saa->vidq); - spin_lock_init(&saa->lock); - - retval = pci_enable_device(pdev); - if (retval) { - dev_err(&pdev->dev, "%d: pci_enable_device failed!\n", num); - goto err; - } - - saa->id = pdev->device; - saa->irq = pdev->irq; - saa->saa7146_adr = pci_resource_start(pdev, 0); - pci_read_config_byte(pdev, PCI_CLASS_REVISION, &saa->revision); - - saa->saa7146_mem = ioremap(saa->saa7146_adr, 0x200); - if (saa->saa7146_mem == NULL) { - dev_err(&pdev->dev, "%d: ioremap failed!\n", num); - retval = -EIO; - goto err; - } - - memcpy(&saa->video_dev, &saa_template, sizeof(saa_template)); - saawrite(0, SAA7146_IER); /* turn off all interrupts */ - - retval = request_irq(saa->irq, saa7146_irq, IRQF_SHARED | IRQF_DISABLED, - "stradis", saa); - if (retval == -EINVAL) - dev_err(&pdev->dev, "%d: Bad irq number or handler\n", num); - else if (retval == -EBUSY) - dev_err(&pdev->dev, "%d: IRQ %ld busy, change your PnP config " - "in BIOS\n", num, saa->irq); - if (retval < 0) - goto errio; - - pci_set_master(pdev); - retval = video_register_device(&saa->video_dev, VFL_TYPE_GRABBER, - video_nr); - if (retval < 0) { - dev_err(&pdev->dev, "%d: error in registering video device!\n", - num); - goto errirq; - } - - return 0; - -errirq: - free_irq(saa->irq, saa); -errio: - iounmap(saa->saa7146_mem); -err: - return retval; -} - -static int __devinit init_saa7146(struct pci_dev *pdev) -{ - struct saa7146 *saa = pci_get_drvdata(pdev); - - saa->user = 0; - /* reset the saa7146 */ - saawrite(0xffff0000, SAA7146_MC1); - mdelay(5); - /* enable debi and i2c transfers and pins */ - saawrite(((SAA7146_MC1_EDP | SAA7146_MC1_EI2C | - SAA7146_MC1_TR_E_DEBI) << 16) | 0xffff, SAA7146_MC1); - /* ensure proper state of chip */ - saawrite(0x00000000, SAA7146_PAGE1); - saawrite(0x00f302c0, SAA7146_NUM_LINE_BYTE1); - saawrite(0x00000000, SAA7146_PAGE2); - saawrite(0x01400080, SAA7146_NUM_LINE_BYTE2); - saawrite(0x00000000, SAA7146_DD1_INIT); - saawrite(0x00000000, SAA7146_DD1_STREAM_B); - saawrite(0x00000000, SAA7146_DD1_STREAM_A); - saawrite(0x00000000, SAA7146_BRS_CTRL); - saawrite(0x80400040, SAA7146_BCS_CTRL); - saawrite(0x0000e000 /*| (1<<29) */ , SAA7146_HPS_CTRL); - saawrite(0x00000060, SAA7146_CLIP_FORMAT_CTRL); - saawrite(0x00000000, SAA7146_ACON1); - saawrite(0x00000000, SAA7146_ACON2); - saawrite(0x00000600, SAA7146_I2C_STATUS); - saawrite(((SAA7146_MC2_UPLD_D1_B | SAA7146_MC2_UPLD_D1_A | - SAA7146_MC2_UPLD_BRS | SAA7146_MC2_UPLD_HPS_H | - SAA7146_MC2_UPLD_HPS_V | SAA7146_MC2_UPLD_DMA2 | - SAA7146_MC2_UPLD_DMA1 | SAA7146_MC2_UPLD_I2C) << 16) | 0xffff, - SAA7146_MC2); - /* setup arbitration control registers */ - saawrite(0x1412121a, SAA7146_PCI_BT_V1); - - /* allocate 32k dma buffer + 4k for page table */ - if ((saa->dmadebi = kmalloc(32768 + 4096, GFP_KERNEL)) == NULL) { - dev_err(&pdev->dev, "%d: debi kmalloc failed\n", saa->nr); - goto err; - } -#if 0 - saa->pagedebi = saa->dmadebi + 32768; /* top 4k is for mmu */ - saawrite(virt_to_bus(saa->pagedebi) /*|0x800 */ , SAA7146_DEBI_PAGE); - for (i = 0; i < 12; i++) /* setup mmu page table */ - saa->pagedebi[i] = virt_to_bus((saa->dmadebi + i * 4096)); -#endif - saa->audhead = saa->vidhead = saa->osdhead = 0; - saa->audtail = saa->vidtail = saa->osdtail = 0; - if (saa->vidbuf == NULL && (saa->vidbuf = vmalloc(524288)) == NULL) { - dev_err(&pdev->dev, "%d: malloc failed\n", saa->nr); - goto err; - } - if (saa->audbuf == NULL && (saa->audbuf = vmalloc(65536)) == NULL) { - dev_err(&pdev->dev, "%d: malloc failed\n", saa->nr); - goto errfree; - } - if (saa->osdbuf == NULL && (saa->osdbuf = vmalloc(131072)) == NULL) { - dev_err(&pdev->dev, "%d: malloc failed\n", saa->nr); - goto errfree; - } - /* allocate 81920 byte buffer for clipping */ - if ((saa->dmavid2 = kzalloc(VIDEO_CLIPMAP_SIZE, GFP_KERNEL)) == NULL) { - dev_err(&pdev->dev, "%d: clip kmalloc failed\n", saa->nr); - goto errfree; - } - /* setup clipping registers */ - saawrite(virt_to_bus(saa->dmavid2), SAA7146_BASE_EVEN2); - saawrite(virt_to_bus(saa->dmavid2) + 128, SAA7146_BASE_ODD2); - saawrite(virt_to_bus(saa->dmavid2) + VIDEO_CLIPMAP_SIZE, - SAA7146_PROT_ADDR2); - saawrite(256, SAA7146_PITCH2); - saawrite(4, SAA7146_PAGE2); /* dma direction: read, no byteswap */ - saawrite(((SAA7146_MC2_UPLD_DMA2) << 16) | SAA7146_MC2_UPLD_DMA2, - SAA7146_MC2); - I2CBusScan(saa); - - return 0; -errfree: - vfree(saa->osdbuf); - vfree(saa->audbuf); - vfree(saa->vidbuf); - saa->audbuf = saa->osdbuf = saa->vidbuf = NULL; -err: - return -ENOMEM; -} - -static void stradis_release_saa(struct pci_dev *pdev) -{ - u8 command; - struct saa7146 *saa = pci_get_drvdata(pdev); - - /* turn off all capturing, DMA and IRQs */ - saawrite(0xffff0000, SAA7146_MC1); /* reset chip */ - saawrite(0, SAA7146_MC2); - saawrite(0, SAA7146_IER); - saawrite(0xffffffffUL, SAA7146_ISR); - - /* disable PCI bus-mastering */ - pci_read_config_byte(pdev, PCI_COMMAND, &command); - command &= ~PCI_COMMAND_MASTER; - pci_write_config_byte(pdev, PCI_COMMAND, command); - - /* unmap and free memory */ - saa->audhead = saa->audtail = saa->osdhead = 0; - saa->vidhead = saa->vidtail = saa->osdtail = 0; - vfree(saa->vidbuf); - vfree(saa->audbuf); - vfree(saa->osdbuf); - kfree(saa->dmavid2); - saa->audbuf = saa->vidbuf = saa->osdbuf = NULL; - saa->dmavid2 = NULL; - kfree(saa->dmadebi); - kfree(saa->dmavid1); - kfree(saa->dmavid3); - kfree(saa->dmaa1in); - kfree(saa->dmaa1out); - kfree(saa->dmaa2in); - kfree(saa->dmaa2out); - kfree(saa->dmaRPS1); - kfree(saa->dmaRPS2); - free_irq(saa->irq, saa); - if (saa->saa7146_mem) - iounmap(saa->saa7146_mem); - if (video_is_registered(&saa->video_dev)) - video_unregister_device(&saa->video_dev); -} - -static int __devinit stradis_probe(struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - int retval = -EINVAL; - - if (saa_num >= SAA7146_MAX) - goto err; - - if (!pdev->subsystem_vendor) - dev_info(&pdev->dev, "%d: rev1 decoder\n", saa_num); - else - dev_info(&pdev->dev, "%d: SDM2xx found\n", saa_num); - - pci_set_drvdata(pdev, &saa7146s[saa_num]); - - retval = configure_saa7146(pdev, saa_num); - if (retval) { - dev_err(&pdev->dev, "%d: error in configuring\n", saa_num); - goto err; - } - - if (init_saa7146(pdev) < 0) { - dev_err(&pdev->dev, "%d: error in initialization\n", saa_num); - retval = -EIO; - goto errrel; - } - - saa_num++; - - return 0; -errrel: - stradis_release_saa(pdev); -err: - return retval; -} - -static void __devexit stradis_remove(struct pci_dev *pdev) -{ - stradis_release_saa(pdev); -} - -static struct pci_device_id stradis_pci_tbl[] = { - { PCI_DEVICE(PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA7146) }, - { 0 } -}; - - -static struct pci_driver stradis_driver = { - .name = "stradis", - .id_table = stradis_pci_tbl, - .probe = stradis_probe, - .remove = __devexit_p(stradis_remove) -}; - -static int __init stradis_init(void) -{ - int retval; - - saa_num = 0; - - retval = pci_register_driver(&stradis_driver); - if (retval) - printk(KERN_ERR "stradis: Unable to register pci driver.\n"); - - return retval; -} - -static void __exit stradis_exit(void) -{ - pci_unregister_driver(&stradis_driver); - printk(KERN_INFO "stradis: module cleanup complete\n"); -} - -module_init(stradis_init); -module_exit(stradis_exit); |