patch-2.4.0-test7 linux/drivers/char/pms.c
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- Lines: 1075
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
v2.4.0-test6/linux/drivers/char/pms.c
- Orig date:
Thu Nov 11 20:11:34 1999
diff -u --recursive --new-file v2.4.0-test6/linux/drivers/char/pms.c linux/drivers/char/pms.c
@@ -1,1074 +0,0 @@
-/*
- * Media Vision Pro Movie Studio
- * or
- * "all you need is an I2C bus some RAM and a prayer"
- *
- * This draws heavily on code
- *
- * (c) Wolfgang Koehler, wolf@first.gmd.de, Dec. 1994
- * Kiefernring 15
- * 14478 Potsdam, Germany
- *
- * Most of this code is directly derived from his userspace driver.
- * His driver works so send any reports to alan@redhat.com unless the
- * userspace driver also doesnt work for you...
- */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/kernel.h>
-#include <linux/malloc.h>
-#include <linux/mm.h>
-#include <linux/ioport.h>
-#include <linux/init.h>
-#include <asm/io.h>
-#include <linux/sched.h>
-#include <linux/videodev.h>
-#include <linux/version.h>
-#include <asm/uaccess.h>
-
-
-#define MOTOROLA 1
-#define PHILIPS2 2
-#define PHILIPS1 3
-#define MVVMEMORYWIDTH 0x40 /* 512 bytes */
-
-struct pms_device
-{
- struct video_device v;
- struct video_picture picture;
- int height;
- int width;
-};
-
-struct i2c_info
-{
- u8 slave;
- u8 sub;
- u8 data;
- u8 hits;
-};
-
-static int i2c_count = 0;
-static struct i2c_info i2cinfo[64];
-
-static int decoder = PHILIPS2;
-static int standard = 0; /* 0 - auto 1 - ntsc 2 - pal 3 - secam */
-
-/*
- * I/O ports and Shared Memory
- */
-
-static int io_port = 0x250;
-static int data_port = 0x251;
-static int mem_base = 0xC8000;
-
-
-
-extern __inline__ void mvv_write(u8 index, u8 value)
-{
- outw(index|(value<<8), io_port);
-}
-
-extern __inline__ u8 mvv_read(u8 index)
-{
- outb(index, io_port);
- return inb(data_port);
-}
-
-static int pms_i2c_stat(u8 slave)
-{
- int counter;
- int i;
-
- outb(0x28, io_port);
-
- counter=0;
- while((inb(data_port)&0x01)==0)
- if(counter++==256)
- break;
-
- while((inb(data_port)&0x01)!=0)
- if(counter++==256)
- break;
-
- outb(slave, io_port);
-
- counter=0;
- while((inb(data_port)&0x01)==0)
- if(counter++==256)
- break;
-
- while((inb(data_port)&0x01)!=0)
- if(counter++==256)
- break;
-
- for(i=0;i<12;i++)
- {
- char st=inb(data_port);
- if((st&2)!=0)
- return -1;
- if((st&1)==0)
- break;
- }
- outb(0x29, io_port);
- return inb(data_port);
-}
-
-static int pms_i2c_write(u16 slave, u16 sub, u16 data)
-{
- int skip=0;
- int count;
- int i;
-
- for(i=0;i<i2c_count;i++)
- {
- if((i2cinfo[i].slave==slave) &&
- (i2cinfo[i].sub == sub))
- {
- if(i2cinfo[i].data==data)
- skip=1;
- i2cinfo[i].data=data;
- i=i2c_count+1;
- }
- }
-
- if(i==i2c_count && i2c_count<64)
- {
- i2cinfo[i2c_count].slave=slave;
- i2cinfo[i2c_count].sub=sub;
- i2cinfo[i2c_count].data=data;
- i2c_count++;
- }
-
- if(skip)
- return 0;
-
- mvv_write(0x29, sub);
- mvv_write(0x2A, data);
- mvv_write(0x28, slave);
-
- outb(0x28, io_port);
-
- count=0;
- while((inb(data_port)&1)==0)
- if(count>255)
- break;
- while((inb(data_port)&1)!=0)
- if(count>255)
- break;
-
- count=inb(data_port);
-
- if(count&2)
- return -1;
- return count;
-}
-
-static int pms_i2c_read(int slave, int sub)
-{
- int i=0;
- for(i=0;i<i2c_count;i++)
- {
- if(i2cinfo[i].slave==slave && i2cinfo[i].sub==sub)
- return i2cinfo[i].data;
- }
- return 0;
-}
-
-
-static void pms_i2c_andor(int slave, int sub, int and, int or)
-{
- u8 tmp;
-
- tmp=pms_i2c_read(slave, sub);
- tmp = (tmp&and)|or;
- pms_i2c_write(slave, sub, tmp);
-}
-
-/*
- * Control functions
- */
-
-
-static void pms_videosource(short source)
-{
- mvv_write(0x2E, source?0x31:0x30);
-}
-
-static void pms_hue(short hue)
-{
- switch(decoder)
- {
- case MOTOROLA:
- pms_i2c_write(0x8A, 0x00, hue);
- break;
- case PHILIPS2:
- pms_i2c_write(0x8A, 0x07, hue);
- break;
- case PHILIPS1:
- pms_i2c_write(0x42, 0x07, hue);
- break;
- }
-}
-
-static void pms_colour(short colour)
-{
- switch(decoder)
- {
- case MOTOROLA:
- pms_i2c_write(0x8A, 0x00, colour);
- break;
- case PHILIPS1:
- pms_i2c_write(0x42, 0x12, colour);
- break;
- }
-}
-
-
-static void pms_contrast(short contrast)
-{
- switch(decoder)
- {
- case MOTOROLA:
- pms_i2c_write(0x8A, 0x00, contrast);
- break;
- case PHILIPS1:
- pms_i2c_write(0x42, 0x13, contrast);
- break;
- }
-}
-
-static void pms_brightness(short brightness)
-{
- switch(decoder)
- {
- case MOTOROLA:
- pms_i2c_write(0x8A, 0x00, brightness);
- pms_i2c_write(0x8A, 0x00, brightness);
- pms_i2c_write(0x8A, 0x00, brightness);
- break;
- case PHILIPS1:
- pms_i2c_write(0x42, 0x19, brightness);
- break;
- }
-}
-
-
-static void pms_format(short format)
-{
- int target;
- standard = format;
-
- if(decoder==PHILIPS1)
- target=0x42;
- else if(decoder==PHILIPS2)
- target=0x8A;
- else
- return;
-
- switch(format)
- {
- case 0: /* Auto */
- pms_i2c_andor(target, 0x0D, 0xFE,0x00);
- pms_i2c_andor(target, 0x0F, 0x3F,0x80);
- break;
- case 1: /* NTSC */
- pms_i2c_andor(target, 0x0D, 0xFE, 0x00);
- pms_i2c_andor(target, 0x0F, 0x3F, 0x40);
- break;
- case 2: /* PAL */
- pms_i2c_andor(target, 0x0D, 0xFE, 0x00);
- pms_i2c_andor(target, 0x0F, 0x3F, 0x00);
- break;
- case 3: /* SECAM */
- pms_i2c_andor(target, 0x0D, 0xFE, 0x01);
- pms_i2c_andor(target, 0x0F, 0x3F, 0x00);
- break;
- }
-}
-
-#ifdef FOR_FUTURE_EXPANSION
-
-/*
- * These features of the PMS card are not currently exposes. They
- * could become a private v4l ioctl for PMSCONFIG or somesuch if
- * people need it. We also don't yet use the PMS interrupt.
- */
-
-static void pms_hstart(short start)
-{
- switch(decoder)
- {
- case PHILIPS1:
- pms_i2c_write(0x8A, 0x05, start);
- pms_i2c_write(0x8A, 0x18, start);
- break;
- case PHILIPS2:
- pms_i2c_write(0x42, 0x05, start);
- pms_i2c_write(0x42, 0x18, start);
- break;
- }
-}
-
-/*
- * Bandpass filters
- */
-
-static void pms_bandpass(short pass)
-{
- if(decoder==PHILIPS2)
- pms_i2c_andor(0x8A, 0x06, 0xCF, (pass&0x03)<<4);
- else if(decoder==PHILIPS1)
- pms_i2c_andor(0x42, 0x06, 0xCF, (pass&0x03)<<4);
-}
-
-static void pms_antisnow(short snow)
-{
- if(decoder==PHILIPS2)
- pms_i2c_andor(0x8A, 0x06, 0xF3, (snow&0x03)<<2);
- else if(decoder==PHILIPS1)
- pms_i2c_andor(0x42, 0x06, 0xF3, (snow&0x03)<<2);
-}
-
-static void pms_sharpness(short sharp)
-{
- if(decoder==PHILIPS2)
- pms_i2c_andor(0x8A, 0x06, 0xFC, sharp&0x03);
- else if(decoder==PHILIPS1)
- pms_i2c_andor(0x42, 0x06, 0xFC, sharp&0x03);
-}
-
-static void pms_chromaagc(short agc)
-{
- if(decoder==PHILIPS2)
- pms_i2c_andor(0x8A, 0x0C, 0x9F, (agc&0x03)<<5);
- else if(decoder==PHILIPS1)
- pms_i2c_andor(0x42, 0x0C, 0x9F, (agc&0x03)<<5);
-}
-
-static void pms_vertnoise(short noise)
-{
- if(decoder==PHILIPS2)
- pms_i2c_andor(0x8A, 0x10, 0xFC, noise&3);
- else if(decoder==PHILIPS1)
- pms_i2c_andor(0x42, 0x10, 0xFC, noise&3);
-}
-
-static void pms_forcecolour(short colour)
-{
- if(decoder==PHILIPS2)
- pms_i2c_andor(0x8A, 0x0C, 0x7F, (colour&1)<<7);
- else if(decoder==PHILIPS1)
- pms_i2c_andor(0x42, 0x0C, 0x7, (colour&1)<<7);
-}
-
-static void pms_antigamma(short gamma)
-{
- if(decoder==PHILIPS2)
- pms_i2c_andor(0xB8, 0x00, 0x7F, (gamma&1)<<7);
- else if(decoder==PHILIPS1)
- pms_i2c_andor(0x42, 0x20, 0x7, (gamma&1)<<7);
-}
-
-static void pms_prefilter(short filter)
-{
- if(decoder==PHILIPS2)
- pms_i2c_andor(0x8A, 0x06, 0xBF, (filter&1)<<6);
- else if(decoder==PHILIPS1)
- pms_i2c_andor(0x42, 0x06, 0xBF, (filter&1)<<6);
-}
-
-static void pms_hfilter(short filter)
-{
- if(decoder==PHILIPS2)
- pms_i2c_andor(0xB8, 0x04, 0x1F, (filter&7)<<5);
- else if(decoder==PHILIPS1)
- pms_i2c_andor(0x42, 0x24, 0x1F, (filter&7)<<5);
-}
-
-static void pms_vfilter(short filter)
-{
- if(decoder==PHILIPS2)
- pms_i2c_andor(0xB8, 0x08, 0x9F, (filter&3)<<5);
- else if(decoder==PHILIPS1)
- pms_i2c_andor(0x42, 0x28, 0x9F, (filter&3)<<5);
-}
-
-static void pms_killcolour(short colour)
-{
- if(decoder==PHILIPS2)
- {
- pms_i2c_andor(0x8A, 0x08, 0x07, (colour&0x1F)<<3);
- pms_i2c_andor(0x8A, 0x09, 0x07, (colour&0x1F)<<3);
- }
- else if(decoder==PHILIPS1)
- {
- pms_i2c_andor(0x42, 0x08, 0x07, (colour&0x1F)<<3);
- pms_i2c_andor(0x42, 0x09, 0x07, (colour&0x1F)<<3);
- }
-}
-
-static void pms_chromagain(short chroma)
-{
- if(decoder==PHILIPS2)
- {
- pms_i2c_write(0x8A, 0x11, chroma);
- }
- else if(decoder==PHILIPS1)
- {
- pms_i2c_write(0x42, 0x11, chroma);
- }
-}
-
-
-static void pms_spacialcompl(short data)
-{
- mvv_write(0x3B, data);
-}
-
-static void pms_spacialcomph(short data)
-{
- mvv_write(0x3A, data);
-}
-
-static void pms_vstart(short start)
-{
- mvv_write(0x16, start);
- mvv_write(0x17, (start>>8)&0x01);
-}
-
-#endif
-
-static void pms_secamcross(short cross)
-{
- if(decoder==PHILIPS2)
- pms_i2c_andor(0x8A, 0x0F, 0xDF, (cross&1)<<5);
- else if(decoder==PHILIPS1)
- pms_i2c_andor(0x42, 0x0F, 0xDF, (cross&1)<<5);
-}
-
-
-static void pms_swsense(short sense)
-{
- if(decoder==PHILIPS2)
- {
- pms_i2c_write(0x8A, 0x0A, sense);
- pms_i2c_write(0x8A, 0x0B, sense);
- }
- else if(decoder==PHILIPS1)
- {
- pms_i2c_write(0x42, 0x0A, sense);
- pms_i2c_write(0x42, 0x0B, sense);
- }
-}
-
-
-static void pms_framerate(short frr)
-{
- int fps=(standard==1)?30:25;
- if(frr==0)
- return;
- fps=fps/frr;
- mvv_write(0x14,0x80|fps);
- mvv_write(0x15,1);
-}
-
-static void pms_vert(u8 deciden, u8 decinum)
-{
- mvv_write(0x1C, deciden); /* Denominator */
- mvv_write(0x1D, decinum); /* Numerator */
-}
-
-/*
- * Turn 16bit ratios into best small ratio the chipset can grok
- */
-
-static void pms_vertdeci(unsigned short decinum, unsigned short deciden)
-{
- /* Knock it down by /5 once */
- if(decinum%5==0)
- {
- deciden/=5;
- decinum/=5;
- }
- /*
- * 3's
- */
- while(decinum%3==0 && deciden%3==0)
- {
- deciden/=3;
- decinum/=3;
- }
- /*
- * 2's
- */
- while(decinum%2==0 && deciden%2==0)
- {
- decinum/=2;
- deciden/=2;
- }
- /*
- * Fudgyify
- */
- while(deciden>32)
- {
- deciden/=2;
- decinum=(decinum+1)/2;
- }
- 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 *buf, int rgb555, int count)
-{
- int y;
- int dw = 2*dev->width;
- u32 src = mem_base;
-
- 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++ )
- {
- isa_writeb(0, src); /* synchronisiert neue Zeile */
-
- /*
- * This is in truth a fifo, be very careful as if you
- * forgot this odd things will occur 8)
- */
-
- isa_memcpy_fromio(tmp, src, 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;
- copy_to_user(buf, tmp+32, dt);
- buf += dt;
- len += dt;
- }
- }
- return len;
-}
-
-
-/*
- * Video4linux interfacing
- */
-
-static int pms_open(struct video_device *dev, int flags)
-{
- MOD_INC_USE_COUNT;
- return 0;
-}
-
-static void pms_close(struct video_device *dev)
-{
- MOD_DEC_USE_COUNT;
-}
-
-static int pms_init_done(struct video_device *dev)
-{
- return 0;
-}
-
-static long pms_write(struct video_device *v, const char *buf, unsigned long count, int noblock)
-{
- return -EINVAL;
-}
-
-static int pms_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
-{
- struct pms_device *pd=(struct pms_device *)dev;
-
- switch(cmd)
- {
- case VIDIOCGCAP:
- {
- struct video_capability b;
- 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;
- if(copy_to_user(arg, &b,sizeof(b)))
- return -EFAULT;
- return 0;
- }
- case VIDIOCGCHAN:
- {
- struct video_channel v;
- if(copy_from_user(&v, arg, sizeof(v)))
- return -EFAULT;
- 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;
- }
- if(copy_to_user(arg, &v, sizeof(v)))
- return -EFAULT;
- return 0;
- }
- case VIDIOCSCHAN:
- {
- int v;
- if(copy_from_user(&v, arg,sizeof(v)))
- return -EFAULT;
- if(v<0 || v>3)
- return -EINVAL;
- pms_videosource(v&1);
- pms_vcrinput(v>>1);
- return 0;
- }
- case VIDIOCGTUNER:
- {
- struct video_tuner v;
- if(copy_from_user(&v, arg, sizeof(v))!=0)
- return -EFAULT;
- 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;
- }
- if(copy_to_user(arg,&v,sizeof(v))!=0)
- return -EFAULT;
- return 0;
- }
- case VIDIOCSTUNER:
- {
- struct video_tuner v;
- if(copy_from_user(&v, arg, sizeof(v))!=0)
- return -EFAULT;
- if(v.tuner)
- return -EINVAL;
- 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:
- return -EINVAL;
- }
- return 0;
- }
- case VIDIOCGPICT:
- {
- struct video_picture p=pd->picture;
- if(copy_to_user(arg, &p, sizeof(p)))
- return -EFAULT;
- return 0;
- }
- case VIDIOCSPICT:
- {
- struct video_picture p;
- if(copy_from_user(&p, arg, sizeof(p)))
- return -EFAULT;
- 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.
- */
-
- pms_brightness(p.brightness>>8);
- pms_hue(p.hue>>8);
- pms_colour(p.colour>>8);
- pms_contrast(p.contrast>>8);
- return 0;
- }
- case VIDIOCSWIN:
- {
- struct video_window vw;
- if(copy_from_user(&vw, arg,sizeof(vw)))
- return -EFAULT;
- 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;
- pms_resolution(pd->width, pd->height);
- /* Ok we figured out what to use from our wide choice */
- return 0;
- }
- case VIDIOCGWIN:
- {
- struct video_window vw;
- vw.x=0;
- vw.y=0;
- vw.width=pd->width;
- vw.height=pd->height;
- vw.chromakey=0;
- vw.flags=0;
- if(copy_to_user(arg, &vw, sizeof(vw)))
- return -EFAULT;
- return 0;
- }
- case VIDIOCCAPTURE:
- return -EINVAL;
- case VIDIOCGFBUF:
- return -EINVAL;
- case VIDIOCSFBUF:
- return -EINVAL;
- case VIDIOCKEY:
- return 0;
- case VIDIOCGFREQ:
- return -EINVAL;
- case VIDIOCSFREQ:
- return -EINVAL;
- case VIDIOCGAUDIO:
- return -EINVAL;
- case VIDIOCSAUDIO:
- return -EINVAL;
- default:
- return -ENOIOCTLCMD;
- }
- return 0;
-}
-
-static long pms_read(struct video_device *v, char *buf, unsigned long count, int noblock)
-{
- struct pms_device *pd=(struct pms_device *)v;
- int len;
-
- /* FIXME: semaphore this */
- len=pms_capture(pd, buf, (pd->picture.depth==16)?0:1,count);
- return len;
-}
-
-
-struct video_device pms_template=
-{
- "Mediavision PMS",
- VID_TYPE_CAPTURE,
- VID_HARDWARE_PMS,
- pms_open,
- pms_close,
- pms_read,
- pms_write,
- NULL, /* FIXME - we can use POLL on this board with the irq */
- pms_ioctl,
- NULL,
- pms_init_done,
- NULL,
- 0,
- 0
-};
-
-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
- };
-
- if(check_region(0x9A01,1))
- {
- printk(KERN_WARNING "mediavision: unable to detect: 0x9A01 in use.\n");
- return -EBUSY;
- }
- if(check_region(io_port,3))
- {
- printk(KERN_WARNING "mediavision: I/O port %d in use.\n", io_port);
- 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)
- return -ENODEV;
-
- /*
- * Ok we have a PMS of some sort
- */
-
- request_region(io_port,3, "Mediavision PMS");
- request_region(0x9A01, 1, "Mediavision PMS config");
-
- 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));
- 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);
-}
-
-MODULE_PARM(io_port,"i");
-MODULE_PARM(mem_base,"i");
-
-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);
-}
-
-module_init(init_pms_cards);
-module_exit(cleanup_pms_module);
-
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)