forked from Minki/linux
0d0fbf8152
This moves the 32 bit ioctl compatibility handlers for Video4Linux into a new file and adds explicit calls to them to each v4l device driver. Unfortunately, there does not seem to be any code handling the v4l2 ioctls, so quite often the code goes through two separate conversions, first from 32 bit v4l to 64 bit v4l, and from there to 64 bit v4l2. My patch does not change that, so there is still much room for improvement. Also, some drivers have additional ioctl numbers, for which the conversion should be handled internally to that driver. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
1062 lines
20 KiB
C
1062 lines
20 KiB
C
/*
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* Media Vision Pro Movie Studio
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* or
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* "all you need is an I2C bus some RAM and a prayer"
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*
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* This draws heavily on code
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*
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* (c) Wolfgang Koehler, wolf@first.gmd.de, Dec. 1994
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* Kiefernring 15
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* 14478 Potsdam, Germany
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*
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* Most of this code is directly derived from his userspace driver.
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* His driver works so send any reports to alan@redhat.com unless the
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* userspace driver also doesn't work for you...
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*
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* Changes:
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* 08/07/2003 Daniele Bellucci <bellucda@tiscali.it>
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* - pms_capture: report back -EFAULT
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*/
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#include <linux/module.h>
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#include <linux/delay.h>
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#include <linux/errno.h>
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#include <linux/fs.h>
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/mm.h>
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#include <linux/ioport.h>
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#include <linux/init.h>
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#include <asm/io.h>
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#include <linux/sched.h>
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#include <linux/videodev.h>
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#include <asm/uaccess.h>
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#define MOTOROLA 1
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#define PHILIPS2 2
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#define PHILIPS1 3
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#define MVVMEMORYWIDTH 0x40 /* 512 bytes */
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struct pms_device
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{
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struct video_device v;
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struct video_picture picture;
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int height;
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int width;
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struct semaphore lock;
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};
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struct i2c_info
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{
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u8 slave;
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u8 sub;
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u8 data;
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u8 hits;
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};
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static int i2c_count = 0;
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static struct i2c_info i2cinfo[64];
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static int decoder = PHILIPS2;
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static int standard = 0; /* 0 - auto 1 - ntsc 2 - pal 3 - secam */
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/*
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* I/O ports and Shared Memory
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*/
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static int io_port = 0x250;
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static int data_port = 0x251;
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static int mem_base = 0xC8000;
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static void __iomem *mem;
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static int video_nr = -1;
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static inline void mvv_write(u8 index, u8 value)
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{
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outw(index|(value<<8), io_port);
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}
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static inline u8 mvv_read(u8 index)
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{
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outb(index, io_port);
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return inb(data_port);
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}
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static int pms_i2c_stat(u8 slave)
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{
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int counter;
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int i;
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outb(0x28, io_port);
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counter=0;
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while((inb(data_port)&0x01)==0)
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if(counter++==256)
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break;
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while((inb(data_port)&0x01)!=0)
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if(counter++==256)
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break;
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outb(slave, io_port);
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counter=0;
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while((inb(data_port)&0x01)==0)
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if(counter++==256)
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break;
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while((inb(data_port)&0x01)!=0)
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if(counter++==256)
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break;
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for(i=0;i<12;i++)
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{
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char st=inb(data_port);
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if((st&2)!=0)
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return -1;
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if((st&1)==0)
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break;
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}
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outb(0x29, io_port);
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return inb(data_port);
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}
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static int pms_i2c_write(u16 slave, u16 sub, u16 data)
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{
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int skip=0;
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int count;
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int i;
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for(i=0;i<i2c_count;i++)
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{
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if((i2cinfo[i].slave==slave) &&
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(i2cinfo[i].sub == sub))
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{
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if(i2cinfo[i].data==data)
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skip=1;
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i2cinfo[i].data=data;
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i=i2c_count+1;
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}
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}
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if(i==i2c_count && i2c_count<64)
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{
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i2cinfo[i2c_count].slave=slave;
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i2cinfo[i2c_count].sub=sub;
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i2cinfo[i2c_count].data=data;
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i2c_count++;
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}
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if(skip)
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return 0;
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mvv_write(0x29, sub);
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mvv_write(0x2A, data);
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mvv_write(0x28, slave);
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outb(0x28, io_port);
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count=0;
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while((inb(data_port)&1)==0)
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if(count>255)
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break;
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while((inb(data_port)&1)!=0)
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if(count>255)
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break;
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count=inb(data_port);
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if(count&2)
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return -1;
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return count;
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}
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static int pms_i2c_read(int slave, int sub)
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{
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int i=0;
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for(i=0;i<i2c_count;i++)
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{
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if(i2cinfo[i].slave==slave && i2cinfo[i].sub==sub)
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return i2cinfo[i].data;
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}
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return 0;
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}
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static void pms_i2c_andor(int slave, int sub, int and, int or)
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{
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u8 tmp;
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tmp=pms_i2c_read(slave, sub);
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tmp = (tmp&and)|or;
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pms_i2c_write(slave, sub, tmp);
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}
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/*
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* Control functions
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*/
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static void pms_videosource(short source)
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{
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mvv_write(0x2E, source?0x31:0x30);
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}
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static void pms_hue(short hue)
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{
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switch(decoder)
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{
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case MOTOROLA:
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pms_i2c_write(0x8A, 0x00, hue);
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break;
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case PHILIPS2:
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pms_i2c_write(0x8A, 0x07, hue);
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break;
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case PHILIPS1:
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pms_i2c_write(0x42, 0x07, hue);
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break;
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}
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}
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static void pms_colour(short colour)
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{
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switch(decoder)
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{
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case MOTOROLA:
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pms_i2c_write(0x8A, 0x00, colour);
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break;
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case PHILIPS1:
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pms_i2c_write(0x42, 0x12, colour);
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break;
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}
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}
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static void pms_contrast(short contrast)
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{
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switch(decoder)
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{
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case MOTOROLA:
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pms_i2c_write(0x8A, 0x00, contrast);
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break;
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case PHILIPS1:
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pms_i2c_write(0x42, 0x13, contrast);
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break;
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}
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}
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static void pms_brightness(short brightness)
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{
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switch(decoder)
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{
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case MOTOROLA:
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pms_i2c_write(0x8A, 0x00, brightness);
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pms_i2c_write(0x8A, 0x00, brightness);
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pms_i2c_write(0x8A, 0x00, brightness);
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break;
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case PHILIPS1:
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pms_i2c_write(0x42, 0x19, brightness);
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break;
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}
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}
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static void pms_format(short format)
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{
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int target;
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standard = format;
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if(decoder==PHILIPS1)
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target=0x42;
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else if(decoder==PHILIPS2)
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target=0x8A;
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else
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return;
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switch(format)
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{
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case 0: /* Auto */
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pms_i2c_andor(target, 0x0D, 0xFE,0x00);
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pms_i2c_andor(target, 0x0F, 0x3F,0x80);
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break;
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case 1: /* NTSC */
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pms_i2c_andor(target, 0x0D, 0xFE, 0x00);
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pms_i2c_andor(target, 0x0F, 0x3F, 0x40);
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break;
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case 2: /* PAL */
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pms_i2c_andor(target, 0x0D, 0xFE, 0x00);
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pms_i2c_andor(target, 0x0F, 0x3F, 0x00);
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break;
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case 3: /* SECAM */
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pms_i2c_andor(target, 0x0D, 0xFE, 0x01);
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pms_i2c_andor(target, 0x0F, 0x3F, 0x00);
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break;
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}
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}
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#ifdef FOR_FUTURE_EXPANSION
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/*
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* These features of the PMS card are not currently exposes. They
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* could become a private v4l ioctl for PMSCONFIG or somesuch if
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* people need it. We also don't yet use the PMS interrupt.
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*/
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static void pms_hstart(short start)
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{
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switch(decoder)
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{
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case PHILIPS1:
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pms_i2c_write(0x8A, 0x05, start);
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pms_i2c_write(0x8A, 0x18, start);
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break;
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case PHILIPS2:
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pms_i2c_write(0x42, 0x05, start);
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pms_i2c_write(0x42, 0x18, start);
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break;
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}
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}
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/*
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* Bandpass filters
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*/
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static void pms_bandpass(short pass)
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{
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if(decoder==PHILIPS2)
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pms_i2c_andor(0x8A, 0x06, 0xCF, (pass&0x03)<<4);
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else if(decoder==PHILIPS1)
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pms_i2c_andor(0x42, 0x06, 0xCF, (pass&0x03)<<4);
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}
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static void pms_antisnow(short snow)
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{
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if(decoder==PHILIPS2)
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pms_i2c_andor(0x8A, 0x06, 0xF3, (snow&0x03)<<2);
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else if(decoder==PHILIPS1)
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pms_i2c_andor(0x42, 0x06, 0xF3, (snow&0x03)<<2);
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}
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static void pms_sharpness(short sharp)
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{
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if(decoder==PHILIPS2)
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pms_i2c_andor(0x8A, 0x06, 0xFC, sharp&0x03);
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else if(decoder==PHILIPS1)
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pms_i2c_andor(0x42, 0x06, 0xFC, sharp&0x03);
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}
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static void pms_chromaagc(short agc)
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{
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if(decoder==PHILIPS2)
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pms_i2c_andor(0x8A, 0x0C, 0x9F, (agc&0x03)<<5);
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else if(decoder==PHILIPS1)
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pms_i2c_andor(0x42, 0x0C, 0x9F, (agc&0x03)<<5);
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}
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static void pms_vertnoise(short noise)
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{
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if(decoder==PHILIPS2)
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pms_i2c_andor(0x8A, 0x10, 0xFC, noise&3);
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else if(decoder==PHILIPS1)
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pms_i2c_andor(0x42, 0x10, 0xFC, noise&3);
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}
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static void pms_forcecolour(short colour)
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{
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if(decoder==PHILIPS2)
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pms_i2c_andor(0x8A, 0x0C, 0x7F, (colour&1)<<7);
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else if(decoder==PHILIPS1)
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pms_i2c_andor(0x42, 0x0C, 0x7, (colour&1)<<7);
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}
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static void pms_antigamma(short gamma)
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{
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if(decoder==PHILIPS2)
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pms_i2c_andor(0xB8, 0x00, 0x7F, (gamma&1)<<7);
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else if(decoder==PHILIPS1)
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pms_i2c_andor(0x42, 0x20, 0x7, (gamma&1)<<7);
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}
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static void pms_prefilter(short filter)
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{
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if(decoder==PHILIPS2)
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pms_i2c_andor(0x8A, 0x06, 0xBF, (filter&1)<<6);
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else if(decoder==PHILIPS1)
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pms_i2c_andor(0x42, 0x06, 0xBF, (filter&1)<<6);
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}
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static void pms_hfilter(short filter)
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{
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if(decoder==PHILIPS2)
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pms_i2c_andor(0xB8, 0x04, 0x1F, (filter&7)<<5);
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else if(decoder==PHILIPS1)
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pms_i2c_andor(0x42, 0x24, 0x1F, (filter&7)<<5);
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}
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static void pms_vfilter(short filter)
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{
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if(decoder==PHILIPS2)
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pms_i2c_andor(0xB8, 0x08, 0x9F, (filter&3)<<5);
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else if(decoder==PHILIPS1)
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pms_i2c_andor(0x42, 0x28, 0x9F, (filter&3)<<5);
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}
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static void pms_killcolour(short colour)
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{
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if(decoder==PHILIPS2)
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{
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pms_i2c_andor(0x8A, 0x08, 0x07, (colour&0x1F)<<3);
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pms_i2c_andor(0x8A, 0x09, 0x07, (colour&0x1F)<<3);
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}
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else if(decoder==PHILIPS1)
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{
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pms_i2c_andor(0x42, 0x08, 0x07, (colour&0x1F)<<3);
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pms_i2c_andor(0x42, 0x09, 0x07, (colour&0x1F)<<3);
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}
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}
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static void pms_chromagain(short chroma)
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{
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if(decoder==PHILIPS2)
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{
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pms_i2c_write(0x8A, 0x11, chroma);
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}
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else if(decoder==PHILIPS1)
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{
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pms_i2c_write(0x42, 0x11, chroma);
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}
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}
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static void pms_spacialcompl(short data)
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{
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mvv_write(0x3B, data);
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}
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static void pms_spacialcomph(short data)
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{
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mvv_write(0x3A, data);
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}
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static void pms_vstart(short start)
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{
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mvv_write(0x16, start);
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mvv_write(0x17, (start>>8)&0x01);
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}
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#endif
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static void pms_secamcross(short cross)
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{
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if(decoder==PHILIPS2)
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pms_i2c_andor(0x8A, 0x0F, 0xDF, (cross&1)<<5);
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else if(decoder==PHILIPS1)
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pms_i2c_andor(0x42, 0x0F, 0xDF, (cross&1)<<5);
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}
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|
|
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static void pms_swsense(short sense)
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{
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if(decoder==PHILIPS2)
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{
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pms_i2c_write(0x8A, 0x0A, sense);
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pms_i2c_write(0x8A, 0x0B, sense);
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}
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else if(decoder==PHILIPS1)
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{
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pms_i2c_write(0x42, 0x0A, sense);
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pms_i2c_write(0x42, 0x0B, sense);
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}
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}
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|
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static void pms_framerate(short frr)
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{
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int fps=(standard==1)?30:25;
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if(frr==0)
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return;
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fps=fps/frr;
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mvv_write(0x14,0x80|fps);
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mvv_write(0x15,1);
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}
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static void pms_vert(u8 deciden, u8 decinum)
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{
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mvv_write(0x1C, deciden); /* Denominator */
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mvv_write(0x1D, decinum); /* Numerator */
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}
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/*
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* Turn 16bit ratios into best small ratio the chipset can grok
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*/
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static void pms_vertdeci(unsigned short decinum, unsigned short deciden)
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{
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/* Knock it down by /5 once */
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if(decinum%5==0)
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{
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deciden/=5;
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decinum/=5;
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}
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/*
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* 3's
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*/
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while(decinum%3==0 && deciden%3==0)
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{
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deciden/=3;
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decinum/=3;
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}
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/*
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* 2's
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*/
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while(decinum%2==0 && deciden%2==0)
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{
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decinum/=2;
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deciden/=2;
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}
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/*
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* Fudgyify
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*/
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while(deciden>32)
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{
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deciden/=2;
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decinum=(decinum+1)/2;
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}
|
|
if(deciden==32)
|
|
deciden--;
|
|
pms_vert(deciden,decinum);
|
|
}
|
|
|
|
static void pms_horzdeci(short decinum, short deciden)
|
|
{
|
|
if(decinum<=512)
|
|
{
|
|
if(decinum%5==0)
|
|
{
|
|
decinum/=5;
|
|
deciden/=5;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
decinum=512;
|
|
deciden=640; /* 768 would be ideal */
|
|
}
|
|
|
|
while(((decinum|deciden)&1)==0)
|
|
{
|
|
decinum>>=1;
|
|
deciden>>=1;
|
|
}
|
|
while(deciden>32)
|
|
{
|
|
deciden>>=1;
|
|
decinum=(decinum+1)>>1;
|
|
}
|
|
if(deciden==32)
|
|
deciden--;
|
|
|
|
mvv_write(0x24, 0x80|deciden);
|
|
mvv_write(0x25, decinum);
|
|
}
|
|
|
|
static void pms_resolution(short width, short height)
|
|
{
|
|
int fg_height;
|
|
|
|
fg_height=height;
|
|
if(fg_height>280)
|
|
fg_height=280;
|
|
|
|
mvv_write(0x18, fg_height);
|
|
mvv_write(0x19, fg_height>>8);
|
|
|
|
if(standard==1)
|
|
{
|
|
mvv_write(0x1A, 0xFC);
|
|
mvv_write(0x1B, 0x00);
|
|
if(height>fg_height)
|
|
pms_vertdeci(240,240);
|
|
else
|
|
pms_vertdeci(fg_height,240);
|
|
}
|
|
else
|
|
{
|
|
mvv_write(0x1A, 0x1A);
|
|
mvv_write(0x1B, 0x01);
|
|
if(fg_height>256)
|
|
pms_vertdeci(270,270);
|
|
else
|
|
pms_vertdeci(fg_height, 270);
|
|
}
|
|
mvv_write(0x12,0);
|
|
mvv_write(0x13, MVVMEMORYWIDTH);
|
|
mvv_write(0x42, 0x00);
|
|
mvv_write(0x43, 0x00);
|
|
mvv_write(0x44, MVVMEMORYWIDTH);
|
|
|
|
mvv_write(0x22, width+8);
|
|
mvv_write(0x23, (width+8)>> 8);
|
|
|
|
if(standard==1)
|
|
pms_horzdeci(width,640);
|
|
else
|
|
pms_horzdeci(width+8, 768);
|
|
|
|
mvv_write(0x30, mvv_read(0x30)&0xFE);
|
|
mvv_write(0x08, mvv_read(0x08)|0x01);
|
|
mvv_write(0x01, mvv_read(0x01)&0xFD);
|
|
mvv_write(0x32, 0x00);
|
|
mvv_write(0x33, MVVMEMORYWIDTH);
|
|
}
|
|
|
|
|
|
/*
|
|
* Set Input
|
|
*/
|
|
|
|
static void pms_vcrinput(short input)
|
|
{
|
|
if(decoder==PHILIPS2)
|
|
pms_i2c_andor(0x8A,0x0D,0x7F,(input&1)<<7);
|
|
else if(decoder==PHILIPS1)
|
|
pms_i2c_andor(0x42,0x0D,0x7F,(input&1)<<7);
|
|
}
|
|
|
|
|
|
static int pms_capture(struct pms_device *dev, char __user *buf, int rgb555, int count)
|
|
{
|
|
int y;
|
|
int dw = 2*dev->width;
|
|
|
|
char tmp[dw+32]; /* using a temp buffer is faster than direct */
|
|
int cnt = 0;
|
|
int len=0;
|
|
unsigned char r8 = 0x5; /* value for reg8 */
|
|
|
|
if (rgb555)
|
|
r8 |= 0x20; /* else use untranslated rgb = 565 */
|
|
mvv_write(0x08,r8); /* capture rgb555/565, init DRAM, PC enable */
|
|
|
|
/* printf("%d %d %d %d %d %x %x\n",width,height,voff,nom,den,mvv_buf); */
|
|
|
|
for (y = 0; y < dev->height; y++ )
|
|
{
|
|
writeb(0, mem); /* synchronisiert neue Zeile */
|
|
|
|
/*
|
|
* This is in truth a fifo, be very careful as if you
|
|
* forgot this odd things will occur 8)
|
|
*/
|
|
|
|
memcpy_fromio(tmp, mem, dw+32); /* discard 16 word */
|
|
cnt -= dev->height;
|
|
while (cnt <= 0)
|
|
{
|
|
/*
|
|
* Don't copy too far
|
|
*/
|
|
int dt=dw;
|
|
if(dt+len>count)
|
|
dt=count-len;
|
|
cnt += dev->height;
|
|
if (copy_to_user(buf, tmp+32, dt))
|
|
return len ? len : -EFAULT;
|
|
buf += dt;
|
|
len += dt;
|
|
}
|
|
}
|
|
return len;
|
|
}
|
|
|
|
|
|
/*
|
|
* Video4linux interfacing
|
|
*/
|
|
|
|
static int pms_do_ioctl(struct inode *inode, struct file *file,
|
|
unsigned int cmd, void *arg)
|
|
{
|
|
struct video_device *dev = video_devdata(file);
|
|
struct pms_device *pd=(struct pms_device *)dev;
|
|
|
|
switch(cmd)
|
|
{
|
|
case VIDIOCGCAP:
|
|
{
|
|
struct video_capability *b = arg;
|
|
strcpy(b->name, "Mediavision PMS");
|
|
b->type = VID_TYPE_CAPTURE|VID_TYPE_SCALES;
|
|
b->channels = 4;
|
|
b->audios = 0;
|
|
b->maxwidth = 640;
|
|
b->maxheight = 480;
|
|
b->minwidth = 16;
|
|
b->minheight = 16;
|
|
return 0;
|
|
}
|
|
case VIDIOCGCHAN:
|
|
{
|
|
struct video_channel *v = arg;
|
|
if(v->channel<0 || v->channel>3)
|
|
return -EINVAL;
|
|
v->flags=0;
|
|
v->tuners=1;
|
|
/* Good question.. its composite or SVHS so.. */
|
|
v->type = VIDEO_TYPE_CAMERA;
|
|
switch(v->channel)
|
|
{
|
|
case 0:
|
|
strcpy(v->name, "Composite");break;
|
|
case 1:
|
|
strcpy(v->name, "SVideo");break;
|
|
case 2:
|
|
strcpy(v->name, "Composite(VCR)");break;
|
|
case 3:
|
|
strcpy(v->name, "SVideo(VCR)");break;
|
|
}
|
|
return 0;
|
|
}
|
|
case VIDIOCSCHAN:
|
|
{
|
|
struct video_channel *v = arg;
|
|
if(v->channel<0 || v->channel>3)
|
|
return -EINVAL;
|
|
down(&pd->lock);
|
|
pms_videosource(v->channel&1);
|
|
pms_vcrinput(v->channel>>1);
|
|
up(&pd->lock);
|
|
return 0;
|
|
}
|
|
case VIDIOCGTUNER:
|
|
{
|
|
struct video_tuner *v = arg;
|
|
if(v->tuner)
|
|
return -EINVAL;
|
|
strcpy(v->name, "Format");
|
|
v->rangelow=0;
|
|
v->rangehigh=0;
|
|
v->flags= VIDEO_TUNER_PAL|VIDEO_TUNER_NTSC|VIDEO_TUNER_SECAM;
|
|
switch(standard)
|
|
{
|
|
case 0:
|
|
v->mode = VIDEO_MODE_AUTO;
|
|
break;
|
|
case 1:
|
|
v->mode = VIDEO_MODE_NTSC;
|
|
break;
|
|
case 2:
|
|
v->mode = VIDEO_MODE_PAL;
|
|
break;
|
|
case 3:
|
|
v->mode = VIDEO_MODE_SECAM;
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
case VIDIOCSTUNER:
|
|
{
|
|
struct video_tuner *v = arg;
|
|
if(v->tuner)
|
|
return -EINVAL;
|
|
down(&pd->lock);
|
|
switch(v->mode)
|
|
{
|
|
case VIDEO_MODE_AUTO:
|
|
pms_framerate(25);
|
|
pms_secamcross(0);
|
|
pms_format(0);
|
|
break;
|
|
case VIDEO_MODE_NTSC:
|
|
pms_framerate(30);
|
|
pms_secamcross(0);
|
|
pms_format(1);
|
|
break;
|
|
case VIDEO_MODE_PAL:
|
|
pms_framerate(25);
|
|
pms_secamcross(0);
|
|
pms_format(2);
|
|
break;
|
|
case VIDEO_MODE_SECAM:
|
|
pms_framerate(25);
|
|
pms_secamcross(1);
|
|
pms_format(2);
|
|
break;
|
|
default:
|
|
up(&pd->lock);
|
|
return -EINVAL;
|
|
}
|
|
up(&pd->lock);
|
|
return 0;
|
|
}
|
|
case VIDIOCGPICT:
|
|
{
|
|
struct video_picture *p = arg;
|
|
*p = pd->picture;
|
|
return 0;
|
|
}
|
|
case VIDIOCSPICT:
|
|
{
|
|
struct video_picture *p = arg;
|
|
if(!((p->palette==VIDEO_PALETTE_RGB565 && p->depth==16)
|
|
||(p->palette==VIDEO_PALETTE_RGB555 && p->depth==15)))
|
|
return -EINVAL;
|
|
pd->picture= *p;
|
|
|
|
/*
|
|
* Now load the card.
|
|
*/
|
|
|
|
down(&pd->lock);
|
|
pms_brightness(p->brightness>>8);
|
|
pms_hue(p->hue>>8);
|
|
pms_colour(p->colour>>8);
|
|
pms_contrast(p->contrast>>8);
|
|
up(&pd->lock);
|
|
return 0;
|
|
}
|
|
case VIDIOCSWIN:
|
|
{
|
|
struct video_window *vw = arg;
|
|
if(vw->flags)
|
|
return -EINVAL;
|
|
if(vw->clipcount)
|
|
return -EINVAL;
|
|
if(vw->height<16||vw->height>480)
|
|
return -EINVAL;
|
|
if(vw->width<16||vw->width>640)
|
|
return -EINVAL;
|
|
pd->width=vw->width;
|
|
pd->height=vw->height;
|
|
down(&pd->lock);
|
|
pms_resolution(pd->width, pd->height);
|
|
up(&pd->lock); /* Ok we figured out what to use from our wide choice */
|
|
return 0;
|
|
}
|
|
case VIDIOCGWIN:
|
|
{
|
|
struct video_window *vw = arg;
|
|
memset(vw,0,sizeof(*vw));
|
|
vw->width=pd->width;
|
|
vw->height=pd->height;
|
|
return 0;
|
|
}
|
|
case VIDIOCKEY:
|
|
return 0;
|
|
case VIDIOCCAPTURE:
|
|
case VIDIOCGFBUF:
|
|
case VIDIOCSFBUF:
|
|
case VIDIOCGFREQ:
|
|
case VIDIOCSFREQ:
|
|
case VIDIOCGAUDIO:
|
|
case VIDIOCSAUDIO:
|
|
return -EINVAL;
|
|
default:
|
|
return -ENOIOCTLCMD;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int pms_ioctl(struct inode *inode, struct file *file,
|
|
unsigned int cmd, unsigned long arg)
|
|
{
|
|
return video_usercopy(inode, file, cmd, arg, pms_do_ioctl);
|
|
}
|
|
|
|
static ssize_t pms_read(struct file *file, char __user *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct video_device *v = video_devdata(file);
|
|
struct pms_device *pd=(struct pms_device *)v;
|
|
int len;
|
|
|
|
down(&pd->lock);
|
|
len=pms_capture(pd, buf, (pd->picture.depth==16)?0:1,count);
|
|
up(&pd->lock);
|
|
return len;
|
|
}
|
|
|
|
static struct file_operations pms_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = video_exclusive_open,
|
|
.release = video_exclusive_release,
|
|
.ioctl = pms_ioctl,
|
|
.compat_ioctl = v4l_compat_ioctl32,
|
|
.read = pms_read,
|
|
.llseek = no_llseek,
|
|
};
|
|
|
|
static struct video_device pms_template=
|
|
{
|
|
.owner = THIS_MODULE,
|
|
.name = "Mediavision PMS",
|
|
.type = VID_TYPE_CAPTURE,
|
|
.hardware = VID_HARDWARE_PMS,
|
|
.fops = &pms_fops,
|
|
};
|
|
|
|
static struct pms_device pms_device;
|
|
|
|
|
|
/*
|
|
* Probe for and initialise the Mediavision PMS
|
|
*/
|
|
|
|
static int init_mediavision(void)
|
|
{
|
|
int id;
|
|
int idec, decst;
|
|
int i;
|
|
|
|
unsigned char i2c_defs[]={
|
|
0x4C,0x30,0x00,0xE8,
|
|
0xB6,0xE2,0x00,0x00,
|
|
0xFF,0xFF,0x00,0x00,
|
|
0x00,0x00,0x78,0x98,
|
|
0x00,0x00,0x00,0x00,
|
|
0x34,0x0A,0xF4,0xCE,
|
|
0xE4
|
|
};
|
|
|
|
mem = ioremap(mem_base, 0x800);
|
|
if (!mem)
|
|
return -ENOMEM;
|
|
|
|
if (!request_region(0x9A01, 1, "Mediavision PMS config"))
|
|
{
|
|
printk(KERN_WARNING "mediavision: unable to detect: 0x9A01 in use.\n");
|
|
iounmap(mem);
|
|
return -EBUSY;
|
|
}
|
|
if (!request_region(io_port, 3, "Mediavision PMS"))
|
|
{
|
|
printk(KERN_WARNING "mediavision: I/O port %d in use.\n", io_port);
|
|
release_region(0x9A01, 1);
|
|
iounmap(mem);
|
|
return -EBUSY;
|
|
}
|
|
outb(0xB8, 0x9A01); /* Unlock */
|
|
outb(io_port>>4, 0x9A01); /* Set IO port */
|
|
|
|
|
|
id=mvv_read(3);
|
|
decst=pms_i2c_stat(0x43);
|
|
|
|
if(decst!=-1)
|
|
idec=2;
|
|
else if(pms_i2c_stat(0xb9)!=-1)
|
|
idec=3;
|
|
else if(pms_i2c_stat(0x8b)!=-1)
|
|
idec=1;
|
|
else
|
|
idec=0;
|
|
|
|
printk(KERN_INFO "PMS type is %d\n", idec);
|
|
if(idec == 0) {
|
|
release_region(io_port, 3);
|
|
release_region(0x9A01, 1);
|
|
iounmap(mem);
|
|
return -ENODEV;
|
|
}
|
|
|
|
/*
|
|
* Ok we have a PMS of some sort
|
|
*/
|
|
|
|
mvv_write(0x04, mem_base>>12); /* Set the memory area */
|
|
|
|
/* Ok now load the defaults */
|
|
|
|
for(i=0;i<0x19;i++)
|
|
{
|
|
if(i2c_defs[i]==0xFF)
|
|
pms_i2c_andor(0x8A, i, 0x07,0x00);
|
|
else
|
|
pms_i2c_write(0x8A, i, i2c_defs[i]);
|
|
}
|
|
|
|
pms_i2c_write(0xB8,0x00,0x12);
|
|
pms_i2c_write(0xB8,0x04,0x00);
|
|
pms_i2c_write(0xB8,0x07,0x00);
|
|
pms_i2c_write(0xB8,0x08,0x00);
|
|
pms_i2c_write(0xB8,0x09,0xFF);
|
|
pms_i2c_write(0xB8,0x0A,0x00);
|
|
pms_i2c_write(0xB8,0x0B,0x10);
|
|
pms_i2c_write(0xB8,0x10,0x03);
|
|
|
|
mvv_write(0x01, 0x00);
|
|
mvv_write(0x05, 0xA0);
|
|
mvv_write(0x08, 0x25);
|
|
mvv_write(0x09, 0x00);
|
|
mvv_write(0x0A, 0x20|MVVMEMORYWIDTH);
|
|
|
|
mvv_write(0x10, 0x02);
|
|
mvv_write(0x1E, 0x0C);
|
|
mvv_write(0x1F, 0x03);
|
|
mvv_write(0x26, 0x06);
|
|
|
|
mvv_write(0x2B, 0x00);
|
|
mvv_write(0x2C, 0x20);
|
|
mvv_write(0x2D, 0x00);
|
|
mvv_write(0x2F, 0x70);
|
|
mvv_write(0x32, 0x00);
|
|
mvv_write(0x33, MVVMEMORYWIDTH);
|
|
mvv_write(0x34, 0x00);
|
|
mvv_write(0x35, 0x00);
|
|
mvv_write(0x3A, 0x80);
|
|
mvv_write(0x3B, 0x10);
|
|
mvv_write(0x20, 0x00);
|
|
mvv_write(0x21, 0x00);
|
|
mvv_write(0x30, 0x22);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Initialization and module stuff
|
|
*/
|
|
|
|
static int __init init_pms_cards(void)
|
|
{
|
|
printk(KERN_INFO "Mediavision Pro Movie Studio driver 0.02\n");
|
|
|
|
data_port = io_port +1;
|
|
|
|
if(init_mediavision())
|
|
{
|
|
printk(KERN_INFO "Board not found.\n");
|
|
return -ENODEV;
|
|
}
|
|
memcpy(&pms_device, &pms_template, sizeof(pms_template));
|
|
init_MUTEX(&pms_device.lock);
|
|
pms_device.height=240;
|
|
pms_device.width=320;
|
|
pms_swsense(75);
|
|
pms_resolution(320,240);
|
|
return video_register_device((struct video_device *)&pms_device, VFL_TYPE_GRABBER, video_nr);
|
|
}
|
|
|
|
module_param(io_port, int, 0);
|
|
module_param(mem_base, int, 0);
|
|
module_param(video_nr, int, 0);
|
|
MODULE_LICENSE("GPL");
|
|
|
|
|
|
static void __exit shutdown_mediavision(void)
|
|
{
|
|
release_region(io_port,3);
|
|
release_region(0x9A01, 1);
|
|
}
|
|
|
|
static void __exit cleanup_pms_module(void)
|
|
{
|
|
shutdown_mediavision();
|
|
video_unregister_device((struct video_device *)&pms_device);
|
|
iounmap(mem);
|
|
}
|
|
|
|
module_init(init_pms_cards);
|
|
module_exit(cleanup_pms_module);
|
|
|