additions for table-driven frequency calculation.
addition of colorbar ioctl. removed unneeded disable_intr()/enable_intr() wrappers in i2c code. minor cleanup.
This commit is contained in:
Steve Passe
parent
535341aacb
commit
0f4a397771
@ -188,6 +188,17 @@ options DEFAULT_TUNERTYPE=2 # TUNERTYPE_CABLEIRC
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*/
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#define MULTIPLE_OPENS
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/* XXX Fixme: remove me??? */
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#define ORIGINAL_DELAYS_NOT
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/* XXX Fixme: anomolies still exist in the i2c code */
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#define EXTRA_START
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#define FUNNY_HI
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#define REALLY_ACK
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/* XXX attempt to hold sync on marginal signals, experimental */
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#define LOW_SYNC_NOT
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#include "pci.h"
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#if NPCI > 0
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@ -1084,7 +1095,7 @@ get_bktr_mem( int unit, unsigned size )
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/*
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* Initialize the 7116, 7196 and the RGB module.
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* what should we do here?
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*/
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static void
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bktr_init ( bktr_reg_t *bktr )
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@ -1115,7 +1126,6 @@ bktr_attach( pcici_t tag, int unit )
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return ;
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}
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bktr->tag = tag;
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pci_map_mem(tag, PCI_MAP_REG_START, (vm_offset_t *) &bktr->base,
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&bktr->phys_base);
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@ -1129,7 +1139,7 @@ bktr_attach( pcici_t tag, int unit )
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printf("bktr%d: attach: irq changed from %d to %d\n",
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unit, (old_irq & 0xff), (new_irq & 0xff));
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#endif
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/* setup the interrupt handling routine */
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/* setup the interrupt handling routine */
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pci_map_int(tag, bktr_intr, (void*) bktr, &net_imask);
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/*
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@ -1191,17 +1201,24 @@ end of setup up dma risc program
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METEOR_RGB16;
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#endif /* amancio */
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bktr->flags = METEOR_INITALIZED | METEOR_AUTOMODE | METEOR_DEV0 | METEOR_RGB16;
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bktr->flags = METEOR_INITALIZED | METEOR_AUTOMODE |
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METEOR_DEV0 | METEOR_RGB16;
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bktr->dma_prog_loaded = 0;
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bktr->cols = 640;
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bktr->rows = 480;
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bktr->depth = 2; /* two bytes per pixel */
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bktr->frames = 1; /* one frame */
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bktr->frames = 1; /* one frame */
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bt848 = bktr->base;
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btl_reg = (u_long *) &bt848[BKTR_INT_MASK];
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*btl_reg = 0;
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bt848[BKTR_GPIO_DMA_CTL] = 0;
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}
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/* defaults for the tuner section of the card */
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bktr->tuner.frequency = 0;
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bktr->tuner.channel = 0;
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bktr->tuner.tunertype = DEFAULT_TUNERTYPE;
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#ifdef DEVFS
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bktr->devfs_token = devfs_add_devswf(&bktr_cdevsw, unit,
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DV_CHR, 0, 0, 0644, "brooktree");
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@ -1219,6 +1236,9 @@ end of setup up dma risc program
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*/
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/*
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*
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*/
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int
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bktr_open( dev_t dev, int flags, int fmt, struct proc *p )
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{
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@ -1230,7 +1250,7 @@ bktr_open( dev_t dev, int flags, int fmt, struct proc *p )
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volatile u_long *btl_reg;
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unit = UNIT(minor(dev));
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if (unit >= NBKTR) /* unit out of range */
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if (unit >= NBKTR) /* unit out of range */
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return(ENXIO);
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bktr = &(brooktree[unit]);
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@ -1251,12 +1271,17 @@ bktr_open( dev_t dev, int flags, int fmt, struct proc *p )
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bt848 = bktr->base;
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/* dump_bt848(bt848); */
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*bt848 = 0x3;
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*bt848 = 0x3; /* bt848[ 0 ] */
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*bt848 = 0xc0;
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#if defined( LOW_SYNC )
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bt848[BKTR_ADC] = 0xa1;
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#else
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bt848[BKTR_ADC] = 0x81;
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#endif /* LOW_SYNC */
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bt848[BKTR_IFORM] = 0x69;
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bktr->flags = (bktr->flags & ~METEOR_DEV_MASK) | METEOR_DEV0;
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bt848[BKTR_COLOR_CTL] = 0x20;
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@ -1272,7 +1297,6 @@ bktr_open( dev_t dev, int flags, int fmt, struct proc *p )
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bt848[BKTR_VBI_PACK_DEL] = 0;
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bzero((u_char *) bktr->bigbuf, 640*480*4);
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bktr->flags |= METEOR_OPEN;
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bktr->fifo_errors = 0;
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bktr->dma_errors = 0;
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bktr->frames_captured = 0;
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@ -1285,16 +1309,16 @@ bktr_open( dev_t dev, int flags, int fmt, struct proc *p )
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bktr->video.banksize = 0;
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bktr->video.ramsize = 0;
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/* defaults for the tuner section of the card */
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bktr->tuner.frequency = 0;
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bktr->tuner.tunertype = DEFAULT_TUNERTYPE;
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btl_reg = (u_long *) &bt848[BKTR_INT_MASK];
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*btl_reg = 1 << 23;
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return(0);
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}
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/*
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*
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*/
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int
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bktr_close( dev_t dev, int flags, int fmt, struct proc *p )
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{
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@ -1307,7 +1331,7 @@ bktr_close( dev_t dev, int flags, int fmt, struct proc *p )
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int temp;
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#endif
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unit = UNIT(minor(dev));
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if (unit >= NBKTR) /* unit out of range */
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if (unit >= NBKTR) /* unit out of range */
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return(ENXIO);
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bktr = &(brooktree[unit]);
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@ -1428,7 +1452,8 @@ bktr_ioctl( dev_t dev, int cmd, caddr_t arg, int flag, struct proc *pr )
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case TVTUNER_SETCHNL:
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temp = tv_channel( bktr, (int)*(unsigned long *)arg );
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if ( temp < 0 ) return EIO;
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if ( temp < 0 )
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return EINVAL;
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*(unsigned long *)arg = temp;
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break;
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@ -1437,7 +1462,10 @@ bktr_ioctl( dev_t dev, int cmd, caddr_t arg, int flag, struct proc *pr )
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break;
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case TVTUNER_SETTYPE:
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bktr->tuner.tunertype = *(unsigned long *)arg;
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temp = *(unsigned long *)arg;
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if ( (temp < TUNERTYPE_MIN) || (temp > TUNERTYPE_MAX) )
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return EINVAL;
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bktr->tuner.tunertype = temp;
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break;
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case TVTUNER_GETTYPE:
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@ -1451,7 +1479,8 @@ bktr_ioctl( dev_t dev, int cmd, caddr_t arg, int flag, struct proc *pr )
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case TVTUNER_SETFREQ:
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temp = tv_freq( bktr, (int)*(unsigned long *)arg );
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if ( temp < 0 ) return EIO;
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if ( temp < 0 )
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return EINVAL;
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*(unsigned long *)arg = temp;
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break;
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@ -1747,6 +1776,14 @@ bktr_ioctl( dev_t dev, int cmd, caddr_t arg, int flag, struct proc *pr )
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*(int*)arg = tmp_int;
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break;
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case BT848_SCBARS: /* set colorbar output */
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bt848[BKTR_COLOR_CTL] |= 0x40;
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break;
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case BT848_CCBARS: /* clear colorbar output */
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bt848[BKTR_COLOR_CTL] &= ~0x40;
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break;
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case METEORSSIGNAL:
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bktr->signal = *(int *) arg;
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bktr->proc = pr;
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@ -2020,16 +2057,11 @@ bktr_ioctl( dev_t dev, int cmd, caddr_t arg, int flag, struct proc *pr )
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*btl_reg = 1 << 23 | 2 | 1;
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}
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}
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break;
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default:
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#if 0
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/* XXX */
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error = ENOTTY;
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break;
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#else
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/* end of METEORSETGEO */
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default:
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return ENODEV;
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#endif /* 0 */
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}
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return 0;
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@ -2066,13 +2098,15 @@ bktr_mmap( dev_t dev, int offset, int nprot )
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* tuner specific routines:
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*/
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/** XXX FIXME: this should be a kernel option */
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#define IF_FREQUENCY 4575 /* M/N IF frequency */
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/* guaranteed address for any TSA5522 */
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#define TSA5522_WADDR 0xc2
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#define TSA5522_RADDR 0xc3
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/* EEProm */
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#define X24C01_WADDR 0xae /* STB */
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#define X24C01_RADDR 0xaf
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/*
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* bit 7: CONTROL BYTE = 1
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* bit 6: CP = 0 moderate speed tuning, better FM
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@ -2107,15 +2141,6 @@ bktr_mmap( dev_t dev, int offset, int nprot )
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#endif /* XXXXXX_TUNER */
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/* scaling factor for frequencies expressed as ints */
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#define TEST_A_NOT
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#if defined( TEST_A )
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#define FREQFACTOR 16
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#else
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#define FREQFACTOR 100
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#endif
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/******************************* i2c primitives ******************************/
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@ -2179,20 +2204,20 @@ static int i2cWrite( i2c_regptr_t, u_char );
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/*
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* start an I2C bus transaction
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*/
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static void
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static int
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i2cStart( i2c_regptr_t bti2c, int address )
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{
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#if 1
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#if defined( EXTRA_START )
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/* ensure the proper starting state */
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DataHi_ClockLo( bti2c, LDELAY ); /* release data */
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DataHi_ClockHi( bti2c, LDELAY ); /* release clock */
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#endif
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#endif /* EXTRA_START */
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DataLo_ClockHi( bti2c, LDELAY ); /* lower data */
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DataLo_ClockLo( bti2c, LDELAY ); /* lower clock */
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/* send the address of the device */
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i2cWrite( bti2c, address );
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return i2cWrite( bti2c, address );
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}
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/*
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@ -2201,6 +2226,7 @@ i2cStart( i2c_regptr_t bti2c, int address )
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static void
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i2cStop( i2c_regptr_t bti2c )
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{
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DELAY( LDELAY );
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DataLo_ClockLo( bti2c, LDELAY ); /* lower clock & data */
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DataLo_ClockHi( bti2c, LDELAY ); /* release clock */
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DataHi_ClockHi( bti2c, LDELAY ); /* release data */
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@ -2278,9 +2304,13 @@ i2cRead( i2c_regptr_t bti2c, int ack )
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DataHi_ClockLo( bti2c, SDELAY ); /* release clock */
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}
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#if defined( FUNNY_HI )
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i2cHi( bti2c );
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#endif /* FUNNY_HI */
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#if defined( REALLY_ACK )
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if ( ack )
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i2cGrantAck( bti2c ); /* Grant ACK */
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#endif /* REALLY_ACK */
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return byte;
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}
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@ -2304,11 +2334,134 @@ i2cWrite( i2c_regptr_t bti2c, u_char byte )
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#undef SDELAY
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#undef LDELAY
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/*************************** end of i2c primitives ***************************/
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#define I2C_REGADDR() (i2c_regptr_t)&bktr->base[ BKTR_I2C_CONTROL ]
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/* scaling factor for frequencies expressed as ints */
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#define FREQFACTOR 16
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/*
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* Format:
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* entry 0: MAX legal channel
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* entry 1: IF frequency
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* expressed as fi{mHz} * 16,
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* eg 45.75mHz == 45.75 * 16 = 732
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* entry 2: [place holder/future]
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* entry 3: base of channel record 0
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* entry 3 + (x*3): base of channel record 'x'
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* entry LAST: NULL channel entry marking end of records
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*
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* Record:
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* int 0: base channel
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* int 1: frequency of base channel,
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* expressed as fb{mHz} * 16,
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* int 2: offset frequency between channels,
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* expressed as fo{mHz} * 16,
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*/
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/*
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* North American Broadcast Channels:
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*
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* 2: 55.25 mHz - 4: 67.25 mHz
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* 5: 77.25 mHz - 6: 83.25 mHz
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* 7: 175.25 mHz - 13: 211.25 mHz
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* 14: 471.25 mHz - 83: 885.25 mHz
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*
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* IF freq: 45.75 mHz
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*/
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int nabcst[] = {
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83, (int)( 45.75 * FREQFACTOR), 0,
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14, (int)(471.25 * FREQFACTOR), (int)(6.00 * FREQFACTOR),
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7, (int)(175.25 * FREQFACTOR), (int)(6.00 * FREQFACTOR),
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5, (int)( 77.25 * FREQFACTOR), (int)(6.00 * FREQFACTOR),
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2, (int)( 55.25 * FREQFACTOR), (int)(6.00 * FREQFACTOR),
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0
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};
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/*
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* North American Cable Channels, IRC:
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*
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* 2: 55.25 mHz - 4: 67.25 mHz
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* 5: 77.25 mHz - 6: 83.25 mHz
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* 7: 175.25 mHz - 13: 211.25 mHz
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* 14: 121.25 mHz - 22: 169.25 mHz
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* 23: 217.25 mHz - 94: 643.25 mHz
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* 95: 91.25 mHz - 99: 115.25 mHz
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*
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* IF freq: 45.75 mHz
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*/
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int irccable[] = {
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99, (int)( 45.75 * FREQFACTOR), 0,
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95, (int)( 91.25 * FREQFACTOR), (int)(6.00 * FREQFACTOR),
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23, (int)(217.25 * FREQFACTOR), (int)(6.00 * FREQFACTOR),
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14, (int)(121.25 * FREQFACTOR), (int)(6.00 * FREQFACTOR),
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7, (int)(175.25 * FREQFACTOR), (int)(6.00 * FREQFACTOR),
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5, (int)( 77.25 * FREQFACTOR), (int)(6.00 * FREQFACTOR),
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2, (int)( 55.25 * FREQFACTOR), (int)(6.00 * FREQFACTOR),
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0
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};
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/*
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* North American Cable Channels, HRC:
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*
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*/
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int hrccable[] = {
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0, 0, 0,
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0
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};
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/*
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* Western European channels:
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*
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*/
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int weurope[] = {
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0, 0, 0,
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0
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};
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int* freqTable[] = {
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NULL,
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nabcst,
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irccable,
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hrccable,
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weurope
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};
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#define TBL_CHNL freqTable[ bktr->tuner.tunertype ][ x ]
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#define TBL_BASE_FREQ freqTable[ bktr->tuner.tunertype ][ x + 1 ]
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#define TBL_OFFSET freqTable[ bktr->tuner.tunertype ][ x + 2 ]
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static int
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frequency_lookup( bktr_reg_t* bktr, int channel )
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{
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int x;
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/* check for "> MAX channel" */
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x = 0;
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if ( channel > TBL_CHNL )
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return -1;
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/* search the table for data */
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for ( x = 3; TBL_CHNL; x += 3 ) {
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if ( channel >= TBL_CHNL ) {
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return
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(TBL_BASE_FREQ + ((channel-TBL_CHNL) * TBL_OFFSET));
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}
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}
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/* not found, must be below the MIN channel */
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return -1;
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}
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#undef TBL_OFFSET
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#undef TBL_BASE_FREQ
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#undef TBL_CHNL
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#define TBL_IF freqTable[ bktr->tuner.tunertype ][ 1 ]
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/*
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* set the frequency of the tuner
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*/
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@ -2332,23 +2485,15 @@ tv_freq( bktr_reg_t* bktr, int frequency )
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* N = 16 * { fRF(pc) + fIF(pc) }
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* where:
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* pc is picture carrier, fRF & fIF are in mHz
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*/
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#if defined( TEST_A )
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/*
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*
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* frequency is mHz * 16, eg. 55.25 mHz * 16 == 884
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*/
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N = (frequency + 732 /* 45.75 * 16 */);
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#else
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/*
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* frequency is mHz to 2 decimal places, ie. 5525 == 55.25 mHz,
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*/
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N = 16 * ((frequency + IF_FREQUENCY) / FREQFACTOR);
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#endif
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N = frequency + TBL_IF;
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/* get the i2c register address */
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bti2c = I2C_REGADDR();
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/* send the data to the TSA5522 */
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disable_intr();
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i2cStart( bti2c, TSA5522_WADDR );
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/* the data sheet wants the order set according to direction */
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@ -2366,132 +2511,12 @@ tv_freq( bktr_reg_t* bktr, int frequency )
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}
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i2cStop( bti2c );
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enable_intr();
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|
||||
bktr->tuner.frequency = frequency;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* North American Broadcast Channels:
|
||||
*
|
||||
* IF freq: 45.75 mHz
|
||||
*
|
||||
* Chnl Freq
|
||||
* 2 55.25 mHz
|
||||
* 3 61.25 mHz
|
||||
* 4 67.25 mHz
|
||||
*
|
||||
* 5 77.25 mHz
|
||||
* 6 83.25 mHz
|
||||
*
|
||||
* 7 175.25 mHz
|
||||
* 13 211.25 mHz
|
||||
*
|
||||
* 14 471.25 mHz
|
||||
* 83 885.25 mHz
|
||||
*/
|
||||
static int
|
||||
frequency_nabcst( int channel )
|
||||
{
|
||||
/* legal channels are 2 thru 83 */
|
||||
if ( channel > 83 )
|
||||
return -1;
|
||||
|
||||
/* channels 14 thru 83 */
|
||||
if ( channel >= 14 )
|
||||
#if defined( TEST_A )
|
||||
return 7540 + ((channel-14) * 96 );
|
||||
#else
|
||||
return 47125 + ((channel-14) * 600 );
|
||||
#endif
|
||||
/* channels 7 thru 13 */
|
||||
if ( channel >= 7 )
|
||||
#if defined( TEST_A )
|
||||
return 2804 + ((channel-7) * 96 );
|
||||
#else
|
||||
return 17525 + ((channel-7) * 600 );
|
||||
#endif
|
||||
/* channels 5 thru 6 */
|
||||
if ( channel >= 5 )
|
||||
#if defined( TEST_A )
|
||||
return 1236 + ((channel-5) * 96 );
|
||||
#else
|
||||
return 7725 + ((channel-5) * 600 );
|
||||
#endif
|
||||
/* channels 2 thru 4 */
|
||||
if ( channel >= 2 )
|
||||
#if defined( TEST_A )
|
||||
return 884 + ((channel-2) * 96 );
|
||||
#else
|
||||
return 5525 + ((channel-2) * 600 );
|
||||
#endif
|
||||
/* legal channels are 2 thru 83 */
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* North American Cable Channels, IRC(?):
|
||||
*
|
||||
* IF freq: 45.75 mHz
|
||||
*
|
||||
* Chnl Freq
|
||||
* 2 55.25 mHz
|
||||
* 3 61.25 mHz
|
||||
* 4 67.25 mHz
|
||||
*
|
||||
* 5 77.25 mHz
|
||||
* 6 83.25 mHz
|
||||
*
|
||||
* 7 175.25 mHz
|
||||
* 13 211.25 mHz
|
||||
*
|
||||
* 14 121.25 mHz
|
||||
* 22 169.25 mHz
|
||||
*
|
||||
* 23 217.25 mHz
|
||||
* 94 643.25 mHz
|
||||
*
|
||||
* 95 91.25 mHz
|
||||
* 99 115.25 mHz
|
||||
*/
|
||||
static int
|
||||
frequency_irccable( int channel )
|
||||
{
|
||||
/* legal channels are 2 thru 99 */
|
||||
if ( channel > 99 )
|
||||
return -1;
|
||||
|
||||
/* channels 95 thru 99 */
|
||||
if ( channel >= 95 )
|
||||
return 9125 + ((channel-95) * 600 );
|
||||
|
||||
/* channels 23 thru 94 */
|
||||
if ( channel >= 23 )
|
||||
return 21725 + ((channel-23) * 600 );
|
||||
|
||||
/* channels 14 thru 22 */
|
||||
if ( channel >= 14 )
|
||||
return 12125 + ((channel-14) * 600 );
|
||||
|
||||
/* channels 7 thru 13 */
|
||||
if ( channel >= 7 )
|
||||
return 17525 + ((channel-7) * 600 );
|
||||
|
||||
/* channels 5 thru 6 */
|
||||
if ( channel >= 5 )
|
||||
return 7725 + ((channel-5) * 600 );
|
||||
|
||||
/* channels 2 thru 4 */
|
||||
if ( channel >= 2 )
|
||||
return 5525 + ((channel-2) * 600 );
|
||||
|
||||
/* legal channels are 2 thru 99 */
|
||||
return -1;
|
||||
}
|
||||
#undef TBL_IF
|
||||
|
||||
|
||||
/*
|
||||
@ -2500,27 +2525,10 @@ frequency_irccable( int channel )
|
||||
static int
|
||||
tv_channel( bktr_reg_t* bktr, int channel )
|
||||
{
|
||||
int frequency, status;
|
||||
int frequency;
|
||||
|
||||
/* calculate the frequency according to tuner type */
|
||||
switch ( bktr->tuner.tunertype ) {
|
||||
case TUNERTYPE_NABCST:
|
||||
frequency = frequency_nabcst( channel );
|
||||
break;
|
||||
|
||||
case TUNERTYPE_CABLEIRC:
|
||||
frequency = frequency_irccable( channel );
|
||||
break;
|
||||
|
||||
/* FIXME: */
|
||||
case TUNERTYPE_CABLEHRC:
|
||||
case TUNERTYPE_WEUROPE:
|
||||
default:
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* check the result of channel to frequency conversion */
|
||||
if ( frequency < 0 )
|
||||
if ( (frequency = frequency_lookup( bktr, channel )) < 0 )
|
||||
return -1;
|
||||
|
||||
/* set the new frequency */
|
||||
@ -2535,7 +2543,7 @@ tv_channel( bktr_reg_t* bktr, int channel )
|
||||
|
||||
|
||||
/*
|
||||
* set the channel of the tuner
|
||||
* get the status of the tuner
|
||||
*/
|
||||
static int
|
||||
tuner_status( bktr_reg_t* bktr )
|
||||
@ -2547,13 +2555,11 @@ tuner_status( bktr_reg_t* bktr )
|
||||
bti2c = I2C_REGADDR();
|
||||
|
||||
/* send the request to the TSA5522 */
|
||||
disable_intr();
|
||||
i2cStart( bti2c, TSA5522_RADDR );
|
||||
|
||||
status = i2cRead( bti2c, 0 ); /* no ACK */
|
||||
|
||||
i2cStop( bti2c );
|
||||
enable_intr();
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
@ -188,6 +188,17 @@ options DEFAULT_TUNERTYPE=2 # TUNERTYPE_CABLEIRC
|
||||
*/
|
||||
#define MULTIPLE_OPENS
|
||||
|
||||
/* XXX Fixme: remove me??? */
|
||||
#define ORIGINAL_DELAYS_NOT
|
||||
|
||||
/* XXX Fixme: anomolies still exist in the i2c code */
|
||||
#define EXTRA_START
|
||||
#define FUNNY_HI
|
||||
#define REALLY_ACK
|
||||
|
||||
/* XXX attempt to hold sync on marginal signals, experimental */
|
||||
#define LOW_SYNC_NOT
|
||||
|
||||
|
||||
#include "pci.h"
|
||||
#if NPCI > 0
|
||||
@ -1084,7 +1095,7 @@ get_bktr_mem( int unit, unsigned size )
|
||||
|
||||
|
||||
/*
|
||||
* Initialize the 7116, 7196 and the RGB module.
|
||||
* what should we do here?
|
||||
*/
|
||||
static void
|
||||
bktr_init ( bktr_reg_t *bktr )
|
||||
@ -1115,7 +1126,6 @@ bktr_attach( pcici_t tag, int unit )
|
||||
return ;
|
||||
}
|
||||
|
||||
|
||||
bktr->tag = tag;
|
||||
pci_map_mem(tag, PCI_MAP_REG_START, (vm_offset_t *) &bktr->base,
|
||||
&bktr->phys_base);
|
||||
@ -1129,7 +1139,7 @@ bktr_attach( pcici_t tag, int unit )
|
||||
printf("bktr%d: attach: irq changed from %d to %d\n",
|
||||
unit, (old_irq & 0xff), (new_irq & 0xff));
|
||||
#endif
|
||||
/* setup the interrupt handling routine */
|
||||
/* setup the interrupt handling routine */
|
||||
pci_map_int(tag, bktr_intr, (void*) bktr, &net_imask);
|
||||
|
||||
/*
|
||||
@ -1191,17 +1201,24 @@ end of setup up dma risc program
|
||||
METEOR_RGB16;
|
||||
#endif /* amancio */
|
||||
|
||||
bktr->flags = METEOR_INITALIZED | METEOR_AUTOMODE | METEOR_DEV0 | METEOR_RGB16;
|
||||
bktr->flags = METEOR_INITALIZED | METEOR_AUTOMODE |
|
||||
METEOR_DEV0 | METEOR_RGB16;
|
||||
bktr->dma_prog_loaded = 0;
|
||||
bktr->cols = 640;
|
||||
bktr->rows = 480;
|
||||
bktr->depth = 2; /* two bytes per pixel */
|
||||
bktr->frames = 1; /* one frame */
|
||||
bktr->frames = 1; /* one frame */
|
||||
bt848 = bktr->base;
|
||||
btl_reg = (u_long *) &bt848[BKTR_INT_MASK];
|
||||
*btl_reg = 0;
|
||||
bt848[BKTR_GPIO_DMA_CTL] = 0;
|
||||
}
|
||||
|
||||
/* defaults for the tuner section of the card */
|
||||
bktr->tuner.frequency = 0;
|
||||
bktr->tuner.channel = 0;
|
||||
bktr->tuner.tunertype = DEFAULT_TUNERTYPE;
|
||||
|
||||
#ifdef DEVFS
|
||||
bktr->devfs_token = devfs_add_devswf(&bktr_cdevsw, unit,
|
||||
DV_CHR, 0, 0, 0644, "brooktree");
|
||||
@ -1219,6 +1236,9 @@ end of setup up dma risc program
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
*
|
||||
*/
|
||||
int
|
||||
bktr_open( dev_t dev, int flags, int fmt, struct proc *p )
|
||||
{
|
||||
@ -1230,7 +1250,7 @@ bktr_open( dev_t dev, int flags, int fmt, struct proc *p )
|
||||
volatile u_long *btl_reg;
|
||||
|
||||
unit = UNIT(minor(dev));
|
||||
if (unit >= NBKTR) /* unit out of range */
|
||||
if (unit >= NBKTR) /* unit out of range */
|
||||
return(ENXIO);
|
||||
|
||||
bktr = &(brooktree[unit]);
|
||||
@ -1251,12 +1271,17 @@ bktr_open( dev_t dev, int flags, int fmt, struct proc *p )
|
||||
bt848 = bktr->base;
|
||||
|
||||
/* dump_bt848(bt848); */
|
||||
*bt848 = 0x3;
|
||||
*bt848 = 0x3; /* bt848[ 0 ] */
|
||||
*bt848 = 0xc0;
|
||||
|
||||
#if defined( LOW_SYNC )
|
||||
bt848[BKTR_ADC] = 0xa1;
|
||||
#else
|
||||
bt848[BKTR_ADC] = 0x81;
|
||||
#endif /* LOW_SYNC */
|
||||
|
||||
bt848[BKTR_IFORM] = 0x69;
|
||||
bktr->flags = (bktr->flags & ~METEOR_DEV_MASK) | METEOR_DEV0;
|
||||
|
||||
bt848[BKTR_COLOR_CTL] = 0x20;
|
||||
|
||||
@ -1272,7 +1297,6 @@ bktr_open( dev_t dev, int flags, int fmt, struct proc *p )
|
||||
bt848[BKTR_VBI_PACK_DEL] = 0;
|
||||
|
||||
bzero((u_char *) bktr->bigbuf, 640*480*4);
|
||||
bktr->flags |= METEOR_OPEN;
|
||||
bktr->fifo_errors = 0;
|
||||
bktr->dma_errors = 0;
|
||||
bktr->frames_captured = 0;
|
||||
@ -1285,16 +1309,16 @@ bktr_open( dev_t dev, int flags, int fmt, struct proc *p )
|
||||
bktr->video.banksize = 0;
|
||||
bktr->video.ramsize = 0;
|
||||
|
||||
/* defaults for the tuner section of the card */
|
||||
bktr->tuner.frequency = 0;
|
||||
bktr->tuner.tunertype = DEFAULT_TUNERTYPE;
|
||||
|
||||
btl_reg = (u_long *) &bt848[BKTR_INT_MASK];
|
||||
*btl_reg = 1 << 23;
|
||||
|
||||
return(0);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
*
|
||||
*/
|
||||
int
|
||||
bktr_close( dev_t dev, int flags, int fmt, struct proc *p )
|
||||
{
|
||||
@ -1307,7 +1331,7 @@ bktr_close( dev_t dev, int flags, int fmt, struct proc *p )
|
||||
int temp;
|
||||
#endif
|
||||
unit = UNIT(minor(dev));
|
||||
if (unit >= NBKTR) /* unit out of range */
|
||||
if (unit >= NBKTR) /* unit out of range */
|
||||
return(ENXIO);
|
||||
|
||||
bktr = &(brooktree[unit]);
|
||||
@ -1428,7 +1452,8 @@ bktr_ioctl( dev_t dev, int cmd, caddr_t arg, int flag, struct proc *pr )
|
||||
|
||||
case TVTUNER_SETCHNL:
|
||||
temp = tv_channel( bktr, (int)*(unsigned long *)arg );
|
||||
if ( temp < 0 ) return EIO;
|
||||
if ( temp < 0 )
|
||||
return EINVAL;
|
||||
*(unsigned long *)arg = temp;
|
||||
break;
|
||||
|
||||
@ -1437,7 +1462,10 @@ bktr_ioctl( dev_t dev, int cmd, caddr_t arg, int flag, struct proc *pr )
|
||||
break;
|
||||
|
||||
case TVTUNER_SETTYPE:
|
||||
bktr->tuner.tunertype = *(unsigned long *)arg;
|
||||
temp = *(unsigned long *)arg;
|
||||
if ( (temp < TUNERTYPE_MIN) || (temp > TUNERTYPE_MAX) )
|
||||
return EINVAL;
|
||||
bktr->tuner.tunertype = temp;
|
||||
break;
|
||||
|
||||
case TVTUNER_GETTYPE:
|
||||
@ -1451,7 +1479,8 @@ bktr_ioctl( dev_t dev, int cmd, caddr_t arg, int flag, struct proc *pr )
|
||||
|
||||
case TVTUNER_SETFREQ:
|
||||
temp = tv_freq( bktr, (int)*(unsigned long *)arg );
|
||||
if ( temp < 0 ) return EIO;
|
||||
if ( temp < 0 )
|
||||
return EINVAL;
|
||||
*(unsigned long *)arg = temp;
|
||||
break;
|
||||
|
||||
@ -1747,6 +1776,14 @@ bktr_ioctl( dev_t dev, int cmd, caddr_t arg, int flag, struct proc *pr )
|
||||
*(int*)arg = tmp_int;
|
||||
break;
|
||||
|
||||
case BT848_SCBARS: /* set colorbar output */
|
||||
bt848[BKTR_COLOR_CTL] |= 0x40;
|
||||
break;
|
||||
|
||||
case BT848_CCBARS: /* clear colorbar output */
|
||||
bt848[BKTR_COLOR_CTL] &= ~0x40;
|
||||
break;
|
||||
|
||||
case METEORSSIGNAL:
|
||||
bktr->signal = *(int *) arg;
|
||||
bktr->proc = pr;
|
||||
@ -2020,16 +2057,11 @@ bktr_ioctl( dev_t dev, int cmd, caddr_t arg, int flag, struct proc *pr )
|
||||
*btl_reg = 1 << 23 | 2 | 1;
|
||||
}
|
||||
}
|
||||
|
||||
break;
|
||||
default:
|
||||
#if 0
|
||||
/* XXX */
|
||||
error = ENOTTY;
|
||||
break;
|
||||
#else
|
||||
/* end of METEORSETGEO */
|
||||
|
||||
default:
|
||||
return ENODEV;
|
||||
#endif /* 0 */
|
||||
}
|
||||
|
||||
return 0;
|
||||
@ -2066,13 +2098,15 @@ bktr_mmap( dev_t dev, int offset, int nprot )
|
||||
* tuner specific routines:
|
||||
*/
|
||||
|
||||
/** XXX FIXME: this should be a kernel option */
|
||||
#define IF_FREQUENCY 4575 /* M/N IF frequency */
|
||||
|
||||
/* guaranteed address for any TSA5522 */
|
||||
#define TSA5522_WADDR 0xc2
|
||||
#define TSA5522_RADDR 0xc3
|
||||
|
||||
/* EEProm */
|
||||
#define X24C01_WADDR 0xae /* STB */
|
||||
#define X24C01_RADDR 0xaf
|
||||
|
||||
|
||||
/*
|
||||
* bit 7: CONTROL BYTE = 1
|
||||
* bit 6: CP = 0 moderate speed tuning, better FM
|
||||
@ -2107,15 +2141,6 @@ bktr_mmap( dev_t dev, int offset, int nprot )
|
||||
|
||||
#endif /* XXXXXX_TUNER */
|
||||
|
||||
/* scaling factor for frequencies expressed as ints */
|
||||
#define TEST_A_NOT
|
||||
|
||||
#if defined( TEST_A )
|
||||
#define FREQFACTOR 16
|
||||
#else
|
||||
#define FREQFACTOR 100
|
||||
#endif
|
||||
|
||||
|
||||
/******************************* i2c primitives ******************************/
|
||||
|
||||
@ -2179,20 +2204,20 @@ static int i2cWrite( i2c_regptr_t, u_char );
|
||||
/*
|
||||
* start an I2C bus transaction
|
||||
*/
|
||||
static void
|
||||
static int
|
||||
i2cStart( i2c_regptr_t bti2c, int address )
|
||||
{
|
||||
|
||||
#if 1
|
||||
#if defined( EXTRA_START )
|
||||
/* ensure the proper starting state */
|
||||
DataHi_ClockLo( bti2c, LDELAY ); /* release data */
|
||||
DataHi_ClockHi( bti2c, LDELAY ); /* release clock */
|
||||
#endif
|
||||
#endif /* EXTRA_START */
|
||||
|
||||
DataLo_ClockHi( bti2c, LDELAY ); /* lower data */
|
||||
DataLo_ClockLo( bti2c, LDELAY ); /* lower clock */
|
||||
|
||||
/* send the address of the device */
|
||||
i2cWrite( bti2c, address );
|
||||
return i2cWrite( bti2c, address );
|
||||
}
|
||||
|
||||
/*
|
||||
@ -2201,6 +2226,7 @@ i2cStart( i2c_regptr_t bti2c, int address )
|
||||
static void
|
||||
i2cStop( i2c_regptr_t bti2c )
|
||||
{
|
||||
DELAY( LDELAY );
|
||||
DataLo_ClockLo( bti2c, LDELAY ); /* lower clock & data */
|
||||
DataLo_ClockHi( bti2c, LDELAY ); /* release clock */
|
||||
DataHi_ClockHi( bti2c, LDELAY ); /* release data */
|
||||
@ -2278,9 +2304,13 @@ i2cRead( i2c_regptr_t bti2c, int ack )
|
||||
DataHi_ClockLo( bti2c, SDELAY ); /* release clock */
|
||||
}
|
||||
|
||||
#if defined( FUNNY_HI )
|
||||
i2cHi( bti2c );
|
||||
#endif /* FUNNY_HI */
|
||||
#if defined( REALLY_ACK )
|
||||
if ( ack )
|
||||
i2cGrantAck( bti2c ); /* Grant ACK */
|
||||
|
||||
#endif /* REALLY_ACK */
|
||||
return byte;
|
||||
}
|
||||
|
||||
@ -2304,11 +2334,134 @@ i2cWrite( i2c_regptr_t bti2c, u_char byte )
|
||||
#undef SDELAY
|
||||
#undef LDELAY
|
||||
|
||||
|
||||
/*************************** end of i2c primitives ***************************/
|
||||
|
||||
|
||||
#define I2C_REGADDR() (i2c_regptr_t)&bktr->base[ BKTR_I2C_CONTROL ]
|
||||
|
||||
|
||||
/* scaling factor for frequencies expressed as ints */
|
||||
#define FREQFACTOR 16
|
||||
|
||||
/*
|
||||
* Format:
|
||||
* entry 0: MAX legal channel
|
||||
* entry 1: IF frequency
|
||||
* expressed as fi{mHz} * 16,
|
||||
* eg 45.75mHz == 45.75 * 16 = 732
|
||||
* entry 2: [place holder/future]
|
||||
* entry 3: base of channel record 0
|
||||
* entry 3 + (x*3): base of channel record 'x'
|
||||
* entry LAST: NULL channel entry marking end of records
|
||||
*
|
||||
* Record:
|
||||
* int 0: base channel
|
||||
* int 1: frequency of base channel,
|
||||
* expressed as fb{mHz} * 16,
|
||||
* int 2: offset frequency between channels,
|
||||
* expressed as fo{mHz} * 16,
|
||||
*/
|
||||
|
||||
/*
|
||||
* North American Broadcast Channels:
|
||||
*
|
||||
* 2: 55.25 mHz - 4: 67.25 mHz
|
||||
* 5: 77.25 mHz - 6: 83.25 mHz
|
||||
* 7: 175.25 mHz - 13: 211.25 mHz
|
||||
* 14: 471.25 mHz - 83: 885.25 mHz
|
||||
*
|
||||
* IF freq: 45.75 mHz
|
||||
*/
|
||||
int nabcst[] = {
|
||||
83, (int)( 45.75 * FREQFACTOR), 0,
|
||||
14, (int)(471.25 * FREQFACTOR), (int)(6.00 * FREQFACTOR),
|
||||
7, (int)(175.25 * FREQFACTOR), (int)(6.00 * FREQFACTOR),
|
||||
5, (int)( 77.25 * FREQFACTOR), (int)(6.00 * FREQFACTOR),
|
||||
2, (int)( 55.25 * FREQFACTOR), (int)(6.00 * FREQFACTOR),
|
||||
0
|
||||
};
|
||||
|
||||
/*
|
||||
* North American Cable Channels, IRC:
|
||||
*
|
||||
* 2: 55.25 mHz - 4: 67.25 mHz
|
||||
* 5: 77.25 mHz - 6: 83.25 mHz
|
||||
* 7: 175.25 mHz - 13: 211.25 mHz
|
||||
* 14: 121.25 mHz - 22: 169.25 mHz
|
||||
* 23: 217.25 mHz - 94: 643.25 mHz
|
||||
* 95: 91.25 mHz - 99: 115.25 mHz
|
||||
*
|
||||
* IF freq: 45.75 mHz
|
||||
*/
|
||||
int irccable[] = {
|
||||
99, (int)( 45.75 * FREQFACTOR), 0,
|
||||
95, (int)( 91.25 * FREQFACTOR), (int)(6.00 * FREQFACTOR),
|
||||
23, (int)(217.25 * FREQFACTOR), (int)(6.00 * FREQFACTOR),
|
||||
14, (int)(121.25 * FREQFACTOR), (int)(6.00 * FREQFACTOR),
|
||||
7, (int)(175.25 * FREQFACTOR), (int)(6.00 * FREQFACTOR),
|
||||
5, (int)( 77.25 * FREQFACTOR), (int)(6.00 * FREQFACTOR),
|
||||
2, (int)( 55.25 * FREQFACTOR), (int)(6.00 * FREQFACTOR),
|
||||
0
|
||||
};
|
||||
|
||||
/*
|
||||
* North American Cable Channels, HRC:
|
||||
*
|
||||
*/
|
||||
int hrccable[] = {
|
||||
0, 0, 0,
|
||||
0
|
||||
};
|
||||
|
||||
/*
|
||||
* Western European channels:
|
||||
*
|
||||
*/
|
||||
int weurope[] = {
|
||||
0, 0, 0,
|
||||
0
|
||||
};
|
||||
|
||||
int* freqTable[] = {
|
||||
NULL,
|
||||
nabcst,
|
||||
irccable,
|
||||
hrccable,
|
||||
weurope
|
||||
};
|
||||
|
||||
|
||||
#define TBL_CHNL freqTable[ bktr->tuner.tunertype ][ x ]
|
||||
#define TBL_BASE_FREQ freqTable[ bktr->tuner.tunertype ][ x + 1 ]
|
||||
#define TBL_OFFSET freqTable[ bktr->tuner.tunertype ][ x + 2 ]
|
||||
static int
|
||||
frequency_lookup( bktr_reg_t* bktr, int channel )
|
||||
{
|
||||
int x;
|
||||
|
||||
/* check for "> MAX channel" */
|
||||
x = 0;
|
||||
if ( channel > TBL_CHNL )
|
||||
return -1;
|
||||
|
||||
/* search the table for data */
|
||||
for ( x = 3; TBL_CHNL; x += 3 ) {
|
||||
if ( channel >= TBL_CHNL ) {
|
||||
return
|
||||
(TBL_BASE_FREQ + ((channel-TBL_CHNL) * TBL_OFFSET));
|
||||
}
|
||||
}
|
||||
|
||||
/* not found, must be below the MIN channel */
|
||||
return -1;
|
||||
}
|
||||
#undef TBL_OFFSET
|
||||
#undef TBL_BASE_FREQ
|
||||
#undef TBL_CHNL
|
||||
|
||||
|
||||
#define TBL_IF freqTable[ bktr->tuner.tunertype ][ 1 ]
|
||||
/*
|
||||
* set the frequency of the tuner
|
||||
*/
|
||||
@ -2332,23 +2485,15 @@ tv_freq( bktr_reg_t* bktr, int frequency )
|
||||
* N = 16 * { fRF(pc) + fIF(pc) }
|
||||
* where:
|
||||
* pc is picture carrier, fRF & fIF are in mHz
|
||||
*/
|
||||
#if defined( TEST_A )
|
||||
/*
|
||||
*
|
||||
* frequency is mHz * 16, eg. 55.25 mHz * 16 == 884
|
||||
*/
|
||||
N = (frequency + 732 /* 45.75 * 16 */);
|
||||
#else
|
||||
/*
|
||||
* frequency is mHz to 2 decimal places, ie. 5525 == 55.25 mHz,
|
||||
*/
|
||||
N = 16 * ((frequency + IF_FREQUENCY) / FREQFACTOR);
|
||||
#endif
|
||||
N = frequency + TBL_IF;
|
||||
|
||||
/* get the i2c register address */
|
||||
bti2c = I2C_REGADDR();
|
||||
|
||||
/* send the data to the TSA5522 */
|
||||
disable_intr();
|
||||
i2cStart( bti2c, TSA5522_WADDR );
|
||||
|
||||
/* the data sheet wants the order set according to direction */
|
||||
@ -2366,132 +2511,12 @@ tv_freq( bktr_reg_t* bktr, int frequency )
|
||||
}
|
||||
|
||||
i2cStop( bti2c );
|
||||
enable_intr();
|
||||
|
||||
bktr->tuner.frequency = frequency;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* North American Broadcast Channels:
|
||||
*
|
||||
* IF freq: 45.75 mHz
|
||||
*
|
||||
* Chnl Freq
|
||||
* 2 55.25 mHz
|
||||
* 3 61.25 mHz
|
||||
* 4 67.25 mHz
|
||||
*
|
||||
* 5 77.25 mHz
|
||||
* 6 83.25 mHz
|
||||
*
|
||||
* 7 175.25 mHz
|
||||
* 13 211.25 mHz
|
||||
*
|
||||
* 14 471.25 mHz
|
||||
* 83 885.25 mHz
|
||||
*/
|
||||
static int
|
||||
frequency_nabcst( int channel )
|
||||
{
|
||||
/* legal channels are 2 thru 83 */
|
||||
if ( channel > 83 )
|
||||
return -1;
|
||||
|
||||
/* channels 14 thru 83 */
|
||||
if ( channel >= 14 )
|
||||
#if defined( TEST_A )
|
||||
return 7540 + ((channel-14) * 96 );
|
||||
#else
|
||||
return 47125 + ((channel-14) * 600 );
|
||||
#endif
|
||||
/* channels 7 thru 13 */
|
||||
if ( channel >= 7 )
|
||||
#if defined( TEST_A )
|
||||
return 2804 + ((channel-7) * 96 );
|
||||
#else
|
||||
return 17525 + ((channel-7) * 600 );
|
||||
#endif
|
||||
/* channels 5 thru 6 */
|
||||
if ( channel >= 5 )
|
||||
#if defined( TEST_A )
|
||||
return 1236 + ((channel-5) * 96 );
|
||||
#else
|
||||
return 7725 + ((channel-5) * 600 );
|
||||
#endif
|
||||
/* channels 2 thru 4 */
|
||||
if ( channel >= 2 )
|
||||
#if defined( TEST_A )
|
||||
return 884 + ((channel-2) * 96 );
|
||||
#else
|
||||
return 5525 + ((channel-2) * 600 );
|
||||
#endif
|
||||
/* legal channels are 2 thru 83 */
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* North American Cable Channels, IRC(?):
|
||||
*
|
||||
* IF freq: 45.75 mHz
|
||||
*
|
||||
* Chnl Freq
|
||||
* 2 55.25 mHz
|
||||
* 3 61.25 mHz
|
||||
* 4 67.25 mHz
|
||||
*
|
||||
* 5 77.25 mHz
|
||||
* 6 83.25 mHz
|
||||
*
|
||||
* 7 175.25 mHz
|
||||
* 13 211.25 mHz
|
||||
*
|
||||
* 14 121.25 mHz
|
||||
* 22 169.25 mHz
|
||||
*
|
||||
* 23 217.25 mHz
|
||||
* 94 643.25 mHz
|
||||
*
|
||||
* 95 91.25 mHz
|
||||
* 99 115.25 mHz
|
||||
*/
|
||||
static int
|
||||
frequency_irccable( int channel )
|
||||
{
|
||||
/* legal channels are 2 thru 99 */
|
||||
if ( channel > 99 )
|
||||
return -1;
|
||||
|
||||
/* channels 95 thru 99 */
|
||||
if ( channel >= 95 )
|
||||
return 9125 + ((channel-95) * 600 );
|
||||
|
||||
/* channels 23 thru 94 */
|
||||
if ( channel >= 23 )
|
||||
return 21725 + ((channel-23) * 600 );
|
||||
|
||||
/* channels 14 thru 22 */
|
||||
if ( channel >= 14 )
|
||||
return 12125 + ((channel-14) * 600 );
|
||||
|
||||
/* channels 7 thru 13 */
|
||||
if ( channel >= 7 )
|
||||
return 17525 + ((channel-7) * 600 );
|
||||
|
||||
/* channels 5 thru 6 */
|
||||
if ( channel >= 5 )
|
||||
return 7725 + ((channel-5) * 600 );
|
||||
|
||||
/* channels 2 thru 4 */
|
||||
if ( channel >= 2 )
|
||||
return 5525 + ((channel-2) * 600 );
|
||||
|
||||
/* legal channels are 2 thru 99 */
|
||||
return -1;
|
||||
}
|
||||
#undef TBL_IF
|
||||
|
||||
|
||||
/*
|
||||
@ -2500,27 +2525,10 @@ frequency_irccable( int channel )
|
||||
static int
|
||||
tv_channel( bktr_reg_t* bktr, int channel )
|
||||
{
|
||||
int frequency, status;
|
||||
int frequency;
|
||||
|
||||
/* calculate the frequency according to tuner type */
|
||||
switch ( bktr->tuner.tunertype ) {
|
||||
case TUNERTYPE_NABCST:
|
||||
frequency = frequency_nabcst( channel );
|
||||
break;
|
||||
|
||||
case TUNERTYPE_CABLEIRC:
|
||||
frequency = frequency_irccable( channel );
|
||||
break;
|
||||
|
||||
/* FIXME: */
|
||||
case TUNERTYPE_CABLEHRC:
|
||||
case TUNERTYPE_WEUROPE:
|
||||
default:
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* check the result of channel to frequency conversion */
|
||||
if ( frequency < 0 )
|
||||
if ( (frequency = frequency_lookup( bktr, channel )) < 0 )
|
||||
return -1;
|
||||
|
||||
/* set the new frequency */
|
||||
@ -2535,7 +2543,7 @@ tv_channel( bktr_reg_t* bktr, int channel )
|
||||
|
||||
|
||||
/*
|
||||
* set the channel of the tuner
|
||||
* get the status of the tuner
|
||||
*/
|
||||
static int
|
||||
tuner_status( bktr_reg_t* bktr )
|
||||
@ -2547,13 +2555,11 @@ tuner_status( bktr_reg_t* bktr )
|
||||
bti2c = I2C_REGADDR();
|
||||
|
||||
/* send the request to the TSA5522 */
|
||||
disable_intr();
|
||||
i2cStart( bti2c, TSA5522_RADDR );
|
||||
|
||||
status = i2cRead( bti2c, 0 ); /* no ACK */
|
||||
|
||||
i2cStop( bti2c );
|
||||
enable_intr();
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user